diff options
1164 files changed, 14427 insertions, 8255 deletions
diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt index 65b3eac8856c..ff49cf901148 100644 --- a/Documentation/cgroup-v2.txt +++ b/Documentation/cgroup-v2.txt @@ -7,7 +7,7 @@ This is the authoritative documentation on the design, interface and conventions of cgroup v2. It describes all userland-visible aspects of cgroup including core and specific controller behaviors. All future changes must be reflected in this document. Documentation for -v1 is available under Documentation/cgroup-legacy/. +v1 is available under Documentation/cgroup-v1/. CONTENTS @@ -843,6 +843,10 @@ PAGE_SIZE multiple when read back. Amount of memory used to cache filesystem data, including tmpfs and shared memory. + sock + + Amount of memory used in network transmission buffers + file_mapped Amount of cached filesystem data mapped with mmap() diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3036-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3036-cru.txt index ace05992a262..20df350b9ef3 100644 --- a/Documentation/devicetree/bindings/clock/rockchip,rk3036-cru.txt +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3036-cru.txt @@ -30,7 +30,7 @@ that they are defined using standard clock bindings with following clock-output-names: - "xin24m" - crystal input - required, - "ext_i2s" - external I2S clock - optional, - - "ext_gmac" - external GMAC clock - optional + - "rmii_clkin" - external EMAC clock - optional Example: Clock controller node: diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt index 7803e77d85cb..007a5b46256a 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt @@ -24,9 +24,8 @@ Main node required properties: 1 = edge triggered 4 = level triggered - Cells 4 and beyond are reserved for future use. When the 1st cell - has a value of 0 or 1, cells 4 and beyond act as padding, and may be - ignored. It is recommended that padding cells have a value of 0. + Cells 4 and beyond are reserved for future use and must have a value + of 0 if present. - reg : Specifies base physical address(s) and size of the GIC registers, in the following order: diff --git a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt index 451fef26b4df..10587bdadbbe 100644 --- a/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt +++ b/Documentation/devicetree/bindings/net/brcm,bcmgenet.txt @@ -68,7 +68,7 @@ ethernet@f0b60000 { phy1: ethernet-phy@1 { max-speed = <1000>; reg = <0x1>; - compatible = "brcm,28nm-gphy", "ethernet-phy-ieee802.3-c22"; + compatible = "ethernet-phy-ieee802.3-c22"; }; }; }; @@ -115,7 +115,7 @@ ethernet@f0ba0000 { phy0: ethernet-phy@0 { max-speed = <1000>; reg = <0x0>; - compatible = "brcm,bcm53125", "ethernet-phy-ieee802.3-c22"; + compatible = "ethernet-phy-ieee802.3-c22"; }; }; }; diff --git a/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt b/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt index 80411b2f0490..ecacfa44b1eb 100644 --- a/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt +++ b/Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt @@ -4,8 +4,6 @@ Required properties: - compatible: should be "hisilicon,hns-dsaf-v1" or "hisilicon,hns-dsaf-v2". "hisilicon,hns-dsaf-v1" is for hip05. "hisilicon,hns-dsaf-v2" is for Hi1610 and Hi1612. -- dsa-name: dsa fabric name who provide this interface. - should be "dsafX", X is the dsaf id. - mode: dsa fabric mode string. only support one of dsaf modes like these: "2port-64vf", "6port-16rss", @@ -26,9 +24,8 @@ Required properties: Example: -dsa: dsa@c7000000 { +dsaf0: dsa@c7000000 { compatible = "hisilicon,hns-dsaf-v1"; - dsa_name = "dsaf0"; mode = "6port-16rss"; interrupt-parent = <&mbigen_dsa>; reg = <0x0 0xC0000000 0x0 0x420000 diff --git a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt index 41d19be7011e..e6a9d1c30878 100644 --- a/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt +++ b/Documentation/devicetree/bindings/net/hisilicon-hns-nic.txt @@ -4,8 +4,9 @@ Required properties: - compatible: "hisilicon,hns-nic-v1" or "hisilicon,hns-nic-v2". "hisilicon,hns-nic-v1" is for hip05. "hisilicon,hns-nic-v2" is for Hi1610 and Hi1612. -- ae-name: accelerator name who provides this interface, - is simply a name referring to the name of name in the accelerator node. +- ae-handle: accelerator engine handle for hns, + specifies a reference to the associating hardware driver node. + see Documentation/devicetree/bindings/net/hisilicon-hns-dsaf.txt - port-id: is the index of port provided by DSAF (the accelerator). DSAF can connect to 8 PHYs. Port 0 to 1 are both used for adminstration purpose. They are called debug ports. @@ -41,7 +42,7 @@ Example: ethernet@0{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <0>; local-mac-address = [a2 14 e4 4b 56 76]; }; diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt index aeea50c84e92..d0cb8693963b 100644 --- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt +++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt @@ -6,12 +6,17 @@ Required properties: - interrupts: interrupt for the device - phy: See ethernet.txt file in the same directory. - phy-mode: See ethernet.txt file in the same directory -- clocks: a pointer to the reference clock for this device. +- clocks: List of clocks for this device. At least one clock is + mandatory for the core clock. If several clocks are given, then the + clock-names property must be used to identify them. Optional properties: - tx-csum-limit: maximum mtu supported by port that allow TX checksum. Value is presented in bytes. If not used, by default 1600B is set for "marvell,armada-370-neta" and 9800B for others. +- clock-names: List of names corresponding to clocks property; shall be + "core" for core clock and "bus" for the optional bus clock. + Example: diff --git a/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt b/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt index 79384113c2b0..694987d3c17a 100644 --- a/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt +++ b/Documentation/devicetree/bindings/net/mdio-mux-gpio.txt @@ -38,7 +38,6 @@ Example : phy11: ethernet-phy@1 { reg = <1>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -48,7 +47,6 @@ Example : }; phy12: ethernet-phy@2 { reg = <2>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -58,7 +56,6 @@ Example : }; phy13: ethernet-phy@3 { reg = <3>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -68,7 +65,6 @@ Example : }; phy14: ethernet-phy@4 { reg = <4>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -85,7 +81,6 @@ Example : phy21: ethernet-phy@1 { reg = <1>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -95,7 +90,6 @@ Example : }; phy22: ethernet-phy@2 { reg = <2>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -105,7 +99,6 @@ Example : }; phy23: ethernet-phy@3 { reg = <3>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -115,7 +108,6 @@ Example : }; phy24: ethernet-phy@4 { reg = <4>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, diff --git a/Documentation/devicetree/bindings/net/mdio-mux.txt b/Documentation/devicetree/bindings/net/mdio-mux.txt index f65606f8d632..491f5bd55203 100644 --- a/Documentation/devicetree/bindings/net/mdio-mux.txt +++ b/Documentation/devicetree/bindings/net/mdio-mux.txt @@ -47,7 +47,6 @@ Example : phy11: ethernet-phy@1 { reg = <1>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -57,7 +56,6 @@ Example : }; phy12: ethernet-phy@2 { reg = <2>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -67,7 +65,6 @@ Example : }; phy13: ethernet-phy@3 { reg = <3>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -77,7 +74,6 @@ Example : }; phy14: ethernet-phy@4 { reg = <4>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -94,7 +90,6 @@ Example : phy21: ethernet-phy@1 { reg = <1>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -104,7 +99,6 @@ Example : }; phy22: ethernet-phy@2 { reg = <2>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -114,7 +108,6 @@ Example : }; phy23: ethernet-phy@3 { reg = <3>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, @@ -124,7 +117,6 @@ Example : }; phy24: ethernet-phy@4 { reg = <4>; - compatible = "marvell,88e1149r"; marvell,reg-init = <3 0x10 0 0x5777>, <3 0x11 0 0x00aa>, <3 0x12 0 0x4105>, diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt index 525e1658f2da..bc1c3c8bf8fa 100644 --- a/Documentation/devicetree/bindings/net/phy.txt +++ b/Documentation/devicetree/bindings/net/phy.txt @@ -17,8 +17,7 @@ Optional Properties: "ethernet-phy-ieee802.3-c22" or "ethernet-phy-ieee802.3-c45" for PHYs that implement IEEE802.3 clause 22 or IEEE802.3 clause 45 specifications. If neither of these are specified, the default is to - assume clause 22. The compatible list may also contain other - elements. + assume clause 22. If the phy's identifier is known then the list may contain an entry of the form: "ethernet-phy-idAAAA.BBBB" where @@ -28,6 +27,9 @@ Optional Properties: 4 hex digits. This is the chip vendor OUI bits 19:24, followed by 10 bits of a vendor specific ID. + The compatible list should not contain other values than those + listed here. + - max-speed: Maximum PHY supported speed (10, 100, 1000...) - broken-turn-around: If set, indicates the PHY device does not correctly diff --git a/Documentation/devicetree/bindings/net/renesas,ravb.txt b/Documentation/devicetree/bindings/net/renesas,ravb.txt index 81a9f9e6b45f..c8ac222eac67 100644 --- a/Documentation/devicetree/bindings/net/renesas,ravb.txt +++ b/Documentation/devicetree/bindings/net/renesas,ravb.txt @@ -82,8 +82,8 @@ Example: "ch16", "ch17", "ch18", "ch19", "ch20", "ch21", "ch22", "ch23", "ch24"; - clocks = <&mstp8_clks R8A7795_CLK_ETHERAVB>; - power-domains = <&cpg_clocks>; + clocks = <&cpg CPG_MOD 812>; + power-domains = <&cpg>; phy-mode = "rgmii-id"; phy-handle = <&phy0>; diff --git a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt index 4e8b90e43dd8..07a75094c5a8 100644 --- a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt +++ b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt @@ -8,6 +8,7 @@ OHCI and EHCI controllers. Required properties: - compatible: "renesas,pci-r8a7790" for the R8A7790 SoC; "renesas,pci-r8a7791" for the R8A7791 SoC; + "renesas,pci-r8a7793" for the R8A7793 SoC; "renesas,pci-r8a7794" for the R8A7794 SoC; "renesas,pci-rcar-gen2" for a generic R-Car Gen2 compatible device diff --git a/Documentation/devicetree/bindings/pci/rcar-pci.txt b/Documentation/devicetree/bindings/pci/rcar-pci.txt index 558fe528ae19..6cf99690eef9 100644 --- a/Documentation/devicetree/bindings/pci/rcar-pci.txt +++ b/Documentation/devicetree/bindings/pci/rcar-pci.txt @@ -4,6 +4,7 @@ Required properties: compatible: "renesas,pcie-r8a7779" for the R8A7779 SoC; "renesas,pcie-r8a7790" for the R8A7790 SoC; "renesas,pcie-r8a7791" for the R8A7791 SoC; + "renesas,pcie-r8a7793" for the R8A7793 SoC; "renesas,pcie-r8a7795" for the R8A7795 SoC; "renesas,pcie-rcar-gen2" for a generic R-Car Gen2 compatible device. diff --git a/Documentation/devicetree/bindings/regulator/tps65217.txt b/Documentation/devicetree/bindings/regulator/tps65217.txt index d18109657da6..4f05d208c95c 100644 --- a/Documentation/devicetree/bindings/regulator/tps65217.txt +++ b/Documentation/devicetree/bindings/regulator/tps65217.txt @@ -26,11 +26,7 @@ Example: ti,pmic-shutdown-controller; regulators { - #address-cells = <1>; - #size-cells = <0>; - dcdc1_reg: dcdc1 { - reg = <0>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1800000>; regulator-boot-on; @@ -38,7 +34,6 @@ Example: }; dcdc2_reg: dcdc2 { - reg = <1>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -46,7 +41,6 @@ Example: }; dcdc3_reg: dcc3 { - reg = <2>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1500000>; regulator-boot-on; @@ -54,7 +48,6 @@ Example: }; ldo1_reg: ldo1 { - reg = <3>; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -62,7 +55,6 @@ Example: }; ldo2_reg: ldo2 { - reg = <4>; regulator-min-microvolt = <900000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -70,7 +62,6 @@ Example: }; ldo3_reg: ldo3 { - reg = <5>; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-boot-on; @@ -78,7 +69,6 @@ Example: }; ldo4_reg: ldo4 { - reg = <6>; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-boot-on; diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt index ac2fcd6ff4b8..1068ffce9f91 100644 --- a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt +++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt @@ -14,6 +14,10 @@ Required properties: interrupt number is the rtc alarm interrupt and second interrupt number is the rtc tick interrupt. The number of cells representing a interrupt depends on the parent interrupt controller. +- clocks: Must contain a list of phandle and clock specifier for the rtc + and source clocks. +- clock-names: Must contain "rtc" and "rtc_src" entries sorted in the + same order as the clocks property. Example: @@ -21,4 +25,6 @@ Example: compatible = "samsung,s3c6410-rtc"; reg = <0x10070000 0x100>; interrupts = <44 0 45 0>; + clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>; + clock-names = "rtc", "rtc_src"; }; diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt index 35ae1fb3537f..ed94c217c98d 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt @@ -9,7 +9,7 @@ Optional properties: - fsl,uart-has-rtscts : Indicate the uart has rts and cts - fsl,irda-mode : Indicate the uart supports irda mode - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works - is DCE mode by default. + in DCE mode by default. Note: Each uart controller should have an alias correctly numbered in "aliases" node. diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt index ce55c0a6f757..4da41bf1888e 100644 --- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt +++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt @@ -30,6 +30,8 @@ The compatible list for this generic sound card currently: "fsl,imx-audio-sgtl5000" (compatible with Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt) + "fsl,imx-audio-wm8960" + Required properties: - compatible : Contains one of entries in the compatible list. diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt index 332e625f6ed0..e5ee3f159893 100644 --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt @@ -1,8 +1,9 @@ * Renesas R-Car Thermal Required properties: -- compatible : "renesas,thermal-<soctype>", "renesas,rcar-thermal" - as fallback. +- compatible : "renesas,thermal-<soctype>", + "renesas,rcar-gen2-thermal" (with thermal-zone) or + "renesas,rcar-thermal" (without thermal-zone) as fallback. Examples with soctypes are: - "renesas,thermal-r8a73a4" (R-Mobile APE6) - "renesas,thermal-r8a7779" (R-Car H1) @@ -36,3 +37,35 @@ thermal@e61f0000 { 0xe61f0300 0x38>; interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; }; + +Example (with thermal-zone): + +thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + + thermal-sensors = <&thermal>; + + trips { + cpu-crit { + temperature = <115000>; + hysteresis = <0>; + type = "critical"; + }; + }; + cooling-maps { + }; + }; +}; + +thermal: thermal@e61f0000 { + compatible = "renesas,thermal-r8a7790", + "renesas,rcar-gen2-thermal", + "renesas,rcar-thermal"; + reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>; + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp5_clks R8A7790_CLK_THERMAL>; + power-domains = <&cpg_clocks>; + #thermal-sensor-cells = <0>; +}; diff --git a/Documentation/filesystems/efivarfs.txt b/Documentation/filesystems/efivarfs.txt index c477af086e65..686a64bba775 100644 --- a/Documentation/filesystems/efivarfs.txt +++ b/Documentation/filesystems/efivarfs.txt @@ -14,3 +14,10 @@ filesystem. efivarfs is typically mounted like this, mount -t efivarfs none /sys/firmware/efi/efivars + +Due to the presence of numerous firmware bugs where removing non-standard +UEFI variables causes the system firmware to fail to POST, efivarfs +files that are not well-known standardized variables are created +as immutable files. This doesn't prevent removal - "chattr -i" will work - +but it does prevent this kind of failure from being accomplished +accidentally. diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index fde9fd06fa98..843b045b4069 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -240,8 +240,8 @@ Table 1-2: Contents of the status files (as of 4.1) RssFile size of resident file mappings RssShmem size of resident shmem memory (includes SysV shm, mapping of tmpfs and shared anonymous mappings) - VmData size of data, stack, and text segments - VmStk size of data, stack, and text segments + VmData size of private data segments + VmStk size of stack segments VmExe size of text segment VmLib size of shared library code VmPTE size of page table entries @@ -356,7 +356,7 @@ address perms offset dev inode pathname a7cb1000-a7cb2000 ---p 00000000 00:00 0 a7cb2000-a7eb2000 rw-p 00000000 00:00 0 a7eb2000-a7eb3000 ---p 00000000 00:00 0 -a7eb3000-a7ed5000 rw-p 00000000 00:00 0 [stack:1001] +a7eb3000-a7ed5000 rw-p 00000000 00:00 0 a7ed5000-a8008000 r-xp 00000000 03:00 4222 /lib/libc.so.6 a8008000-a800a000 r--p 00133000 03:00 4222 /lib/libc.so.6 a800a000-a800b000 rw-p 00135000 03:00 4222 /lib/libc.so.6 @@ -388,7 +388,6 @@ is not associated with a file: [heap] = the heap of the program [stack] = the stack of the main process - [stack:1001] = the stack of the thread with tid 1001 [vdso] = the "virtual dynamic shared object", the kernel system call handler @@ -396,10 +395,8 @@ is not associated with a file: The /proc/PID/task/TID/maps is a view of the virtual memory from the viewpoint of the individual tasks of a process. In this file you will see a mapping marked -as [stack] if that task sees it as a stack. This is a key difference from the -content of /proc/PID/maps, where you will see all mappings that are being used -as stack by all of those tasks. Hence, for the example above, the task-level -map, i.e. /proc/PID/task/TID/maps for thread 1001 will look like this: +as [stack] if that task sees it as a stack. Hence, for the example above, the +task-level map, i.e. /proc/PID/task/TID/maps for thread 1001 will look like this: 08048000-08049000 r-xp 00000000 03:00 8312 /opt/test 08049000-0804a000 rw-p 00001000 03:00 8312 /opt/test diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 87d40a72f6a1..9a53c929f017 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1496,6 +1496,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. could change it dynamically, usually by /sys/module/printk/parameters/ignore_loglevel. + ignore_rlimit_data + Ignore RLIMIT_DATA setting for data mappings, + print warning at first misuse. Can be changed via + /sys/module/kernel/parameters/ignore_rlimit_data. + ihash_entries= [KNL] Set number of hash buckets for inode cache. @@ -4230,6 +4235,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted. The default value of this parameter is determined by the config option CONFIG_WQ_POWER_EFFICIENT_DEFAULT. + workqueue.debug_force_rr_cpu + Workqueue used to implicitly guarantee that work + items queued without explicit CPU specified are put + on the local CPU. This guarantee is no longer true + and while local CPU is still preferred work items + may be put on foreign CPUs. This debug option + forces round-robin CPU selection to flush out + usages which depend on the now broken guarantee. + When enabled, memory and cache locality will be + impacted. + x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of default x2apic cluster mode on platforms supporting x2apic. diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index ceb44a095a27..73b36d7c7b0d 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -594,7 +594,7 @@ tcp_fastopen - INTEGER tcp_syn_retries - INTEGER Number of times initial SYNs for an active TCP connection attempt - will be retransmitted. Should not be higher than 255. Default value + will be retransmitted. Should not be higher than 127. Default value is 6, which corresponds to 63seconds till the last retransmission with the current initial RTO of 1second. With this the final timeout for an active TCP connection attempt will happen after 127seconds. diff --git a/Documentation/timers/hpet.txt b/Documentation/timers/hpet.txt index 767392ffd31e..a484d2c109d7 100644 --- a/Documentation/timers/hpet.txt +++ b/Documentation/timers/hpet.txt @@ -1,9 +1,7 @@ High Precision Event Timer Driver for Linux The High Precision Event Timer (HPET) hardware follows a specification -by Intel and Microsoft which can be found at - - http://www.intel.com/hardwaredesign/hpetspec_1.pdf +by Intel and Microsoft, revision 1. Each HPET has one fixed-rate counter (at 10+ MHz, hence "High Precision") and up to 32 comparators. Normally three or more comparators are provided, diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt index 9f9ec9f76039..4e4b6f10d841 100644 --- a/Documentation/watchdog/watchdog-parameters.txt +++ b/Documentation/watchdog/watchdog-parameters.txt @@ -400,3 +400,7 @@ wm8350_wdt: nowayout: Watchdog cannot be stopped once started (default=kernel config parameter) ------------------------------------------------- +sun4v_wdt: +timeout_ms: Watchdog timeout in milliseconds 1..180000, default=60000) +nowayout: Watchdog cannot be stopped once started +------------------------------------------------- diff --git a/MAINTAINERS b/MAINTAINERS index 5c889cd754c3..f5e6a535bc34 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -223,9 +223,7 @@ F: drivers/scsi/aacraid/ ABI/API -F: Documentation/ABI/ F: include/linux/syscalls.h -F: include/uapi/ F: kernel/sys_ni.c ABIT UGURU 1,2 HARDWARE MONITOR DRIVER @@ -922,17 +920,24 @@ M: Emilio López <[email protected]> S: Maintained F: drivers/clk/sunxi/ -ARM/Amlogic MesonX SoC support +ARM/Amlogic Meson SoC support M: Carlo Caione <[email protected]> L: [email protected] (moderated for non-subscribers) +W: http://linux-meson.com/ S: Maintained -F: drivers/media/rc/meson-ir.c -N: meson[x68] +F: arch/arm/mach-meson/ +F: arch/arm/boot/dts/meson* +N: meson ARM/Annapurna Labs ALPINE ARCHITECTURE M: Tsahee Zidenberg <[email protected]> +M: Antoine Tenart <[email protected]> S: Maintained F: arch/arm/mach-alpine/ +F: arch/arm/boot/dts/alpine* +F: arch/arm64/boot/dts/al/ +F: drivers/*/*alpine* ARM/ATMEL AT91RM9200, AT91SAM9 AND SAMA5 SOC SUPPORT M: Nicolas Ferre <[email protected]> @@ -960,6 +965,8 @@ M: Rob Herring <[email protected]> L: [email protected] (moderated for non-subscribers) S: Maintained F: arch/arm/mach-highbank/ +F: arch/arm/boot/dts/highbank.dts +F: arch/arm/boot/dts/ecx-*.dts* ARM/CAVIUM NETWORKS CNS3XXX MACHINE SUPPORT M: Krzysztof Halasa <[email protected]> @@ -1035,6 +1042,7 @@ M: Barry Song <[email protected]> L: [email protected] (moderated for non-subscribers) T: git git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux.git S: Maintained +F: arch/arm/boot/dts/prima2* F: arch/arm/mach-prima2/ F: drivers/clk/sirf/ F: drivers/clocksource/timer-prima2.c @@ -1136,6 +1144,10 @@ W: http://www.hisilicon.com S: Supported T: git git://github.com/hisilicon/linux-hisi.git F: arch/arm/mach-hisi/ +F: arch/arm/boot/dts/hi3* +F: arch/arm/boot/dts/hip* +F: arch/arm/boot/dts/hisi* +F: arch/arm64/boot/dts/hisilicon/ ARM/HP JORNADA 7XX MACHINE SUPPORT M: Kristoffer Ericson <[email protected]> @@ -1212,6 +1224,7 @@ M: Santosh Shilimkar <[email protected]> L: [email protected] (moderated for non-subscribers) S: Maintained F: arch/arm/mach-keystone/ +F: arch/arm/boot/dts/k2* T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git ARM/TEXAS INSTRUMENT KEYSTONE CLOCK FRAMEWORK @@ -1280,6 +1293,7 @@ L: [email protected] (moderated for non-subscribers) S: Maintained F: arch/arm/mach-berlin/ F: arch/arm/boot/dts/berlin* +F: arch/arm64/boot/dts/marvell/berlin* ARM/Marvell Dove/MV78xx0/Orion SOC support @@ -1418,6 +1432,7 @@ S: Maintained F: arch/arm/boot/dts/qcom-*.dts F: arch/arm/boot/dts/qcom-*.dtsi F: arch/arm/mach-qcom/ +F: arch/arm64/boot/dts/qcom/* F: drivers/soc/qcom/ F: drivers/tty/serial/msm_serial.h F: drivers/tty/serial/msm_serial.c @@ -1434,8 +1449,8 @@ S: Maintained ARM/RENESAS ARM64 ARCHITECTURE M: Simon Horman <[email protected]> M: Magnus Damm <[email protected]> -Q: http://patchwork.kernel.org/project/linux-sh/list/ +Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next S: Supported F: arch/arm64/boot/dts/renesas/ @@ -1477,6 +1492,8 @@ L: [email protected] (moderated for non-subscribers) L: [email protected] (moderated for non-subscribers) S: Maintained F: arch/arm/boot/dts/s3c* +F: arch/arm/boot/dts/s5p* +F: arch/arm/boot/dts/samsung* F: arch/arm/boot/dts/exynos* F: arch/arm64/boot/dts/exynos/ F: arch/arm/plat-samsung/ @@ -1556,6 +1573,7 @@ S: Maintained F: arch/arm/mach-socfpga/ F: arch/arm/boot/dts/socfpga* F: arch/arm/configs/socfpga_defconfig +F: arch/arm64/boot/dts/altera/ W: http://www.rocketboards.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git @@ -1709,7 +1727,7 @@ M: Lorenzo Pieralisi <[email protected]> L: [email protected] (moderated for non-subscribers) S: Maintained F: arch/arm/boot/dts/vexpress* -F: arch/arm64/boot/dts/arm/vexpress* +F: arch/arm64/boot/dts/arm/ F: arch/arm/mach-vexpress/ F: */*/vexpress* F: */*/*/vexpress* @@ -2336,6 +2354,7 @@ F: arch/arm/mach-bcm/ F: arch/arm/boot/dts/bcm113* F: arch/arm/boot/dts/bcm216* F: arch/arm/boot/dts/bcm281* +F: arch/arm64/boot/dts/broadcom/ F: arch/arm/configs/bcm_defconfig F: drivers/mmc/host/sdhci-bcm-kona.c F: drivers/clocksource/bcm_kona_timer.c @@ -2350,14 +2369,6 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/rpi/linux-rpi.git S: Maintained N: bcm2835 -BROADCOM BCM33XX MIPS ARCHITECTURE -M: Kevin Cernekee <[email protected]> -S: Maintained -F: arch/mips/bcm3384/* -F: arch/mips/include/asm/mach-bcm3384/* -F: arch/mips/kernel/*bmips* - BROADCOM BCM47XX MIPS ARCHITECTURE M: Hauke Mehrtens <[email protected]> M: RafaÅ‚ MiÅ‚ecki <[email protected]> @@ -3438,9 +3449,8 @@ S: Maintained F: drivers/usb/dwc2/ DESIGNWARE USB3 DRD IP DRIVER -M: Felipe Balbi <[email protected]> +M: Felipe Balbi <[email protected]> T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git S: Maintained F: drivers/usb/dwc3/ @@ -4508,6 +4518,12 @@ L: [email protected] S: Maintained F: drivers/dma/fsldma.* +FREESCALE GPMI NAND DRIVER +M: Han Xu <[email protected]> +S: Maintained +F: drivers/mtd/nand/gpmi-nand/* + FREESCALE I2C CPM DRIVER M: Jochen Friedrich <[email protected]> @@ -4524,7 +4540,7 @@ F: include/linux/platform_data/video-imxfb.h F: drivers/video/fbdev/imxfb.c FREESCALE QUAD SPI DRIVER -M: Han Xu <[email protected]> +M: Han Xu <[email protected]> S: Maintained F: drivers/mtd/spi-nor/fsl-quadspi.c @@ -6124,7 +6140,7 @@ F: include/uapi/linux/sunrpc/ KERNEL SELFTEST FRAMEWORK M: Shuah Khan <[email protected]> T: git git://git.kernel.org/pub/scm/shuah/linux-kselftest S: Maintained F: tools/testing/selftests @@ -7350,7 +7366,7 @@ F: drivers/tty/isicom.c F: include/linux/isicom.h MUSB MULTIPOINT HIGH SPEED DUAL-ROLE CONTROLLER -M: Felipe Balbi <[email protected]> +M: Bin Liu <[email protected]> T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git S: Maintained @@ -7682,13 +7698,13 @@ S: Maintained F: arch/nios2/ NOKIA N900 POWER SUPPLY DRIVERS -M: Pali Rohár <[email protected]> -S: Maintained +R: Pali Rohár <[email protected]> F: include/linux/power/bq2415x_charger.h F: include/linux/power/bq27xxx_battery.h F: include/linux/power/isp1704_charger.h F: drivers/power/bq2415x_charger.c F: drivers/power/bq27xxx_battery.c +F: drivers/power/bq27xxx_battery_i2c.c F: drivers/power/isp1704_charger.c F: drivers/power/rx51_battery.c @@ -7919,11 +7935,9 @@ F: drivers/media/platform/omap3isp/ F: drivers/staging/media/omap4iss/ OMAP USB SUPPORT -M: Felipe Balbi <[email protected]> -T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git -S: Maintained +S: Orphan F: drivers/usb/*/*omap* F: arch/arm/*omap*/usb* @@ -8798,6 +8812,7 @@ L: [email protected] (moderated for non-subscribers) T: git git://github.com/hzhuang1/linux.git T: git git://github.com/rjarzmik/linux.git S: Maintained +F: arch/arm/boot/dts/pxa* F: arch/arm/mach-pxa/ F: drivers/dma/pxa* F: drivers/pcmcia/pxa2xx* @@ -8827,6 +8842,7 @@ L: [email protected] (moderated for non-subscribers) T: git git://github.com/hzhuang1/linux.git T: git git://git.linaro.org/people/ycmiao/pxa-linux.git S: Maintained +F: arch/arm/boot/dts/mmp* F: arch/arm/mach-mmp/ PXA MMCI DRIVER @@ -9552,6 +9568,12 @@ M: Andreas Noever <[email protected]> S: Maintained F: drivers/thunderbolt/ +TI BQ27XXX POWER SUPPLY DRIVER +R: Andrew F. Davis <[email protected]> +F: include/linux/power/bq27xxx_battery.h +F: drivers/power/bq27xxx_battery.c +F: drivers/power/bq27xxx_battery_i2c.c + TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER M: John Stultz <[email protected]> M: Thomas Gleixner <[email protected]> @@ -9773,10 +9795,11 @@ S: Supported F: drivers/scsi/be2iscsi/ Emulex 10Gbps NIC BE2, BE3-R, Lancer, Skyhawk-R DRIVER -M: Sathya Perla <[email protected]> -M: Ajit Khaparde <[email protected]> -M: Padmanabh Ratnakar <[email protected]> -M: Sriharsha Basavapatna <[email protected]> +M: Sathya Perla <[email protected]> +M: Ajit Khaparde <[email protected]> +M: Padmanabh Ratnakar <[email protected]> +M: Sriharsha Basavapatna <[email protected]> +M: Somnath Kotur <[email protected]> W: http://www.emulex.com S: Supported @@ -10138,6 +10161,7 @@ S: Supported F: drivers/media/pci/solo6x10/ SOFTWARE RAID (Multiple Disks) SUPPORT +M: Shaohua Li <[email protected]> T: git git://neil.brown.name/md S: Supported @@ -10153,7 +10177,7 @@ F: drivers/net/ethernet/natsemi/sonic.* SONICS SILICON BACKPLANE DRIVER (SSB) M: Michael Buesch <[email protected]> S: Maintained F: drivers/ssb/ F: include/linux/ssb/ @@ -10271,6 +10295,7 @@ L: [email protected] L: [email protected] (moderated for non-subscribers) W: http://www.st.com/spear S: Maintained +F: arch/arm/boot/dts/spear* F: arch/arm/mach-spear/ SPEAR CLOCK FRAMEWORK SUPPORT @@ -11298,7 +11323,7 @@ F: Documentation/usb/ehci.txt F: drivers/usb/host/ehci* USB GADGET/PERIPHERAL SUBSYSTEM -M: Felipe Balbi <[email protected]> +M: Felipe Balbi <[email protected]> W: http://www.linux-usb.org/gadget T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git @@ -11374,7 +11399,7 @@ S: Maintained F: drivers/net/usb/pegasus.* USB PHY LAYER -M: Felipe Balbi <[email protected]> +M: Felipe Balbi <[email protected]> T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git S: Maintained @@ -12004,7 +12029,6 @@ F: arch/arm64/xen/ F: arch/arm64/include/asm/xen/ XEN NETWORK BACKEND DRIVER -M: Ian Campbell <[email protected]> M: Wei Liu <[email protected]> L: [email protected] (moderated for non-subscribers) @@ -12113,7 +12137,7 @@ F: drivers/net/hamradio/*scc.c F: drivers/net/hamradio/z8530.h ZBUD COMPRESSED PAGE ALLOCATOR -M: Seth Jennings <[email protected]> +M: Seth Jennings <[email protected]> S: Maintained F: mm/zbud.c @@ -12168,7 +12192,7 @@ F: include/linux/zsmalloc.h F: Documentation/vm/zsmalloc.txt ZSWAP COMPRESSED SWAP CACHING -M: Seth Jennings <[email protected]> +M: Seth Jennings <[email protected]> S: Maintained F: mm/zswap.c @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 5 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc6 NAME = Blurry Fish Butt # *DOCUMENTATION* diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 76dde9db7934..8a188bc1786a 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -12,8 +12,6 @@ config ARC select BUILDTIME_EXTABLE_SORT select COMMON_CLK select CLONE_BACKWARDS - # ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev - select DEVTMPFS if !INITRAMFS_SOURCE="" select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS select GENERIC_FIND_FIRST_BIT @@ -275,14 +273,6 @@ config ARC_DCCM_BASE default "0xA0000000" depends on ARC_HAS_DCCM -config ARC_HAS_HW_MPY - bool "Use Hardware Multiplier (Normal or Faster XMAC)" - default y - help - Influences how gcc generates code for MPY operations. - If enabled, MPYxx insns are generated, provided by Standard/XMAC - Multipler. Otherwise software multipy lib is used - choice prompt "MMU Version" default ARC_MMU_V3 if ARC_CPU_770 @@ -338,6 +328,19 @@ config ARC_PAGE_SIZE_4K endchoice +choice + prompt "MMU Super Page Size" + depends on ISA_ARCV2 && TRANSPARENT_HUGEPAGE + default ARC_HUGEPAGE_2M + +config ARC_HUGEPAGE_2M + bool "2MB" + +config ARC_HUGEPAGE_16M + bool "16MB" + +endchoice + if ISA_ARCOMPACT config ARC_COMPACT_IRQ_LEVELS @@ -410,7 +413,7 @@ config ARC_HAS_RTC default n depends on !SMP -config ARC_HAS_GRTC +config ARC_HAS_GFRC bool "SMP synchronized 64-bit cycle counter" default y depends on SMP @@ -529,14 +532,6 @@ config ARC_DBG_TLB_MISS_COUNT Counts number of I and D TLB Misses and exports them via Debugfs The counters can be cleared via Debugfs as well -if SMP - -config ARC_IPI_DBG - bool "Debug Inter Core interrupts" - default n - -endif - endif config ARC_UBOOT_SUPPORT @@ -566,6 +561,12 @@ endmenu endmenu # "ARC Architecture Configuration" source "mm/Kconfig" + +config FORCE_MAX_ZONEORDER + int "Maximum zone order" + default "12" if ARC_HUGEPAGE_16M + default "11" + source "net/Kconfig" source "drivers/Kconfig" source "fs/Kconfig" diff --git a/arch/arc/Makefile b/arch/arc/Makefile index aeb19021099e..c8230f3395f2 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -74,10 +74,6 @@ ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB # --build-id w/o "-marclinux". Default arc-elf32-ld is OK ldflags-$(upto_gcc44) += -marclinux -ifndef CONFIG_ARC_HAS_HW_MPY - cflags-y += -mno-mpy -endif - LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name) # Modules with short calls might break for calls into builtin-kernel diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig index f1ac9818b751..5d4e2a07ad3e 100644 --- a/arch/arc/configs/axs101_defconfig +++ b/arch/arc/configs/axs101_defconfig @@ -39,6 +39,7 @@ CONFIG_IP_PNP_RARP=y # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set @@ -73,7 +74,6 @@ CONFIG_I2C_CHARDEV=y CONFIG_I2C_DESIGNWARE_PLATFORM=y # CONFIG_HWMON is not set CONFIG_FB=y -# CONFIG_VGA_CONSOLE is not set CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_LOGO=y @@ -91,12 +91,10 @@ CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT3_FS=y -CONFIG_EXT4_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_NTFS_FS=y CONFIG_TMPFS=y -CONFIG_JFFS2_FS=y CONFIG_NFS_FS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig index 323486d6ee83..87ee46b237ef 100644 --- a/arch/arc/configs/axs103_defconfig +++ b/arch/arc/configs/axs103_defconfig @@ -39,14 +39,10 @@ CONFIG_IP_PNP_RARP=y # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set -CONFIG_MTD=y -CONFIG_MTD_CMDLINE_PARTS=y -CONFIG_MTD_BLOCK=y -CONFIG_MTD_NAND=y -CONFIG_MTD_NAND_AXS=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_NETDEVICES=y @@ -78,14 +74,12 @@ CONFIG_I2C_CHARDEV=y CONFIG_I2C_DESIGNWARE_PLATFORM=y # CONFIG_HWMON is not set CONFIG_FB=y -# CONFIG_VGA_CONSOLE is not set CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set # CONFIG_LOGO_LINUX_CLUT224 is not set -CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_PLATFORM=y CONFIG_USB_OHCI_HCD=y @@ -97,12 +91,10 @@ CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT3_FS=y -CONFIG_EXT4_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_NTFS_FS=y CONFIG_TMPFS=y -CONFIG_JFFS2_FS=y CONFIG_NFS_FS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig index 66191cd0447e..d80daf4f7e73 100644 --- a/arch/arc/configs/axs103_smp_defconfig +++ b/arch/arc/configs/axs103_smp_defconfig @@ -40,14 +40,10 @@ CONFIG_IP_PNP_RARP=y # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set -CONFIG_MTD=y -CONFIG_MTD_CMDLINE_PARTS=y -CONFIG_MTD_BLOCK=y -CONFIG_MTD_NAND=y -CONFIG_MTD_NAND_AXS=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_NETDEVICES=y @@ -79,14 +75,12 @@ CONFIG_I2C_CHARDEV=y CONFIG_I2C_DESIGNWARE_PLATFORM=y # CONFIG_HWMON is not set CONFIG_FB=y -# CONFIG_VGA_CONSOLE is not set CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set # CONFIG_LOGO_LINUX_CLUT224 is not set -CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_PLATFORM=y CONFIG_USB_OHCI_HCD=y @@ -98,12 +92,10 @@ CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT3_FS=y -CONFIG_EXT4_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_NTFS_FS=y CONFIG_TMPFS=y -CONFIG_JFFS2_FS=y CONFIG_NFS_FS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig index 138f9d887957..f41095340b6a 100644 --- a/arch/arc/configs/nsim_700_defconfig +++ b/arch/arc/configs/nsim_700_defconfig @@ -4,6 +4,7 @@ CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y @@ -26,7 +27,6 @@ CONFIG_ARC_PLAT_SIM=y CONFIG_ARC_BUILTIN_DTB_NAME="nsim_700" CONFIG_PREEMPT=y # CONFIG_COMPACTION is not set -# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -34,6 +34,7 @@ CONFIG_UNIX_DIAG=y CONFIG_NET_KEY=y CONFIG_INET=y # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set @@ -51,7 +52,6 @@ CONFIG_SERIAL_ARC=y CONFIG_SERIAL_ARC_CONSOLE=y # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set -# CONFIG_VGA_CONSOLE is not set # CONFIG_HID is not set # CONFIG_USB_SUPPORT is not set # CONFIG_IOMMU_SUPPORT is not set @@ -63,4 +63,3 @@ CONFIG_NFS_FS=y # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_ENABLE_MUST_CHECK is not set # CONFIG_DEBUG_PREEMPT is not set -CONFIG_XZ_DEC=y diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig index f68838e8068a..cfaa33cb5921 100644 --- a/arch/arc/configs/nsim_hs_defconfig +++ b/arch/arc/configs/nsim_hs_defconfig @@ -35,6 +35,7 @@ CONFIG_UNIX_DIAG=y CONFIG_NET_KEY=y CONFIG_INET=y # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set @@ -49,7 +50,6 @@ CONFIG_SERIAL_ARC=y CONFIG_SERIAL_ARC_CONSOLE=y # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set -# CONFIG_VGA_CONSOLE is not set # CONFIG_HID is not set # CONFIG_USB_SUPPORT is not set # CONFIG_IOMMU_SUPPORT is not set @@ -61,4 +61,3 @@ CONFIG_NFS_FS=y # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_ENABLE_MUST_CHECK is not set # CONFIG_DEBUG_PREEMPT is not set -CONFIG_XZ_DEC=y diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig index 96bd1c20fb0b..bb2a8dc778b5 100644 --- a/arch/arc/configs/nsim_hs_smp_defconfig +++ b/arch/arc/configs/nsim_hs_smp_defconfig @@ -2,6 +2,7 @@ CONFIG_CROSS_COMPILE="arc-linux-" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set +# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y @@ -21,13 +22,11 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARC_PLAT_SIM=y -CONFIG_ARC_BOARD_ML509=y CONFIG_ISA_ARCV2=y CONFIG_SMP=y CONFIG_ARC_BUILTIN_DTB_NAME="nsim_hs_idu" CONFIG_PREEMPT=y # CONFIG_COMPACTION is not set -# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -35,6 +34,7 @@ CONFIG_UNIX_DIAG=y CONFIG_NET_KEY=y CONFIG_INET=y # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set @@ -49,7 +49,6 @@ CONFIG_SERIAL_ARC=y CONFIG_SERIAL_ARC_CONSOLE=y # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set -# CONFIG_VGA_CONSOLE is not set # CONFIG_HID is not set # CONFIG_USB_SUPPORT is not set # CONFIG_IOMMU_SUPPORT is not set @@ -60,4 +59,3 @@ CONFIG_TMPFS=y CONFIG_NFS_FS=y # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_ENABLE_MUST_CHECK is not set -CONFIG_XZ_DEC=y diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig index 31e1d95764ff..646182e93753 100644 --- a/arch/arc/configs/nsimosci_defconfig +++ b/arch/arc/configs/nsimosci_defconfig @@ -33,6 +33,7 @@ CONFIG_UNIX_DIAG=y CONFIG_NET_KEY=y CONFIG_INET=y # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set @@ -58,7 +59,6 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set CONFIG_FB=y -# CONFIG_VGA_CONSOLE is not set CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y # CONFIG_HID is not set diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig index fcae66683ca0..ceca2541950d 100644 --- a/arch/arc/configs/nsimosci_hs_defconfig +++ b/arch/arc/configs/nsimosci_hs_defconfig @@ -34,12 +34,12 @@ CONFIG_UNIX_DIAG=y CONFIG_NET_KEY=y CONFIG_INET=y # CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set # CONFIG_BLK_DEV is not set CONFIG_NETDEVICES=y -CONFIG_NET_OSCI_LAN=y CONFIG_INPUT_EVDEV=y # CONFIG_MOUSE_PS2_ALPS is not set # CONFIG_MOUSE_PS2_LOGIPS2PP is not set @@ -58,7 +58,6 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set CONFIG_FB=y -# CONFIG_VGA_CONSOLE is not set CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y # CONFIG_HID is not set diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig index b01b659168ea..4b6da90f6f26 100644 --- a/arch/arc/configs/nsimosci_hs_smp_defconfig +++ b/arch/arc/configs/nsimosci_hs_smp_defconfig @@ -2,6 +2,7 @@ CONFIG_CROSS_COMPILE="arc-linux-" CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y +# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y @@ -18,15 +19,11 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARC_PLAT_SIM=y -CONFIG_ARC_BOARD_ML509=y CONFIG_ISA_ARCV2=y CONFIG_SMP=y -CONFIG_ARC_HAS_LL64=y -# CONFIG_ARC_HAS_RTSC is not set CONFIG_ARC_BUILTIN_DTB_NAME="nsimosci_hs_idu" CONFIG_PREEMPT=y # CONFIG_COMPACTION is not set -# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_NET=y CONFIG_PACKET=y CONFIG_PACKET_DIAG=y @@ -40,6 +37,7 @@ CONFIG_INET=y # CONFIG_INET_LRO is not set # CONFIG_IPV6 is not set # CONFIG_WIRELESS is not set +CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set @@ -56,14 +54,11 @@ CONFIG_NETDEVICES=y # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set -CONFIG_NET_OSCI_LAN=y # CONFIG_WLAN is not set CONFIG_INPUT_EVDEV=y CONFIG_MOUSE_PS2_TOUCHKIT=y # CONFIG_SERIO_SERPORT is not set -CONFIG_SERIO_LIBPS2=y CONFIG_SERIO_ARC_PS2=y -CONFIG_VT_HW_CONSOLE_BINDING=y # CONFIG_LEGACY_PTYS is not set # CONFIG_DEVKMEM is not set CONFIG_SERIAL_8250=y @@ -75,9 +70,6 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set CONFIG_FB=y -CONFIG_ARCPGU_RGB888=y -CONFIG_ARCPGU_DISPTYPE=0 -# CONFIG_VGA_CONSOLE is not set CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y # CONFIG_HID is not set diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig index 3b4dc9cebcf1..9b342eaf95ae 100644 --- a/arch/arc/configs/tb10x_defconfig +++ b/arch/arc/configs/tb10x_defconfig @@ -3,6 +3,7 @@ CONFIG_CROSS_COMPILE="arc-linux-" CONFIG_DEFAULT_HOSTNAME="tb10x" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_HIGH_RES_TIMERS=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y @@ -26,12 +27,10 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_BLOCK is not set CONFIG_ARC_PLAT_TB10X=y CONFIG_ARC_CACHE_LINE_SHIFT=5 -CONFIG_ARC_STACK_NONEXEC=y CONFIG_HZ=250 CONFIG_ARC_BUILTIN_DTB_NAME="abilis_tb100_dvk" CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_COMPACTION is not set -# CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -44,8 +43,8 @@ CONFIG_IP_MULTICAST=y # CONFIG_INET_DIAG is not set # CONFIG_IPV6 is not set # CONFIG_WIRELESS is not set +CONFIG_DEVTMPFS=y # CONFIG_FIRMWARE_IN_KERNEL is not set -CONFIG_PROC_DEVICETREE=y CONFIG_NETDEVICES=y # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -55,9 +54,6 @@ CONFIG_NETDEVICES=y # CONFIG_NET_VENDOR_NATSEMI is not set # CONFIG_NET_VENDOR_SEEQ is not set CONFIG_STMMAC_ETH=y -CONFIG_STMMAC_DEBUG_FS=y -CONFIG_STMMAC_DA=y -CONFIG_STMMAC_CHAINED=y # CONFIG_NET_VENDOR_WIZNET is not set # CONFIG_WLAN is not set # CONFIG_INPUT is not set @@ -91,7 +87,6 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=y CONFIG_LEDS_TRIGGER_TRANSIENT=y CONFIG_DMADEVICES=y CONFIG_DW_DMAC=y -CONFIG_NET_DMA=y CONFIG_ASYNC_TX_DMA=y # CONFIG_IOMMU_SUPPORT is not set # CONFIG_DNOTIFY is not set @@ -100,17 +95,16 @@ CONFIG_TMPFS=y CONFIG_CONFIGFS_FS=y # CONFIG_MISC_FILESYSTEMS is not set # CONFIG_NETWORK_FILESYSTEMS is not set +CONFIG_DEBUG_INFO=y # CONFIG_ENABLE_WARN_DEPRECATED is not set -CONFIG_MAGIC_SYSRQ=y CONFIG_STRIP_ASM_SYMS=y CONFIG_DEBUG_FS=y CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_SECTION_MISMATCH=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_MEMORY_INIT=y +CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DETECT_HUNG_TASK=y CONFIG_SCHEDSTATS=y CONFIG_TIMER_STATS=y -CONFIG_DEBUG_INFO=y -CONFIG_DEBUG_MEMORY_INIT=y -CONFIG_DEBUG_STACKOVERFLOW=y -# CONFIG_CRYPTO_ANSI_CPRNG is not set # CONFIG_CRYPTO_HW is not set diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig index f36c047b33ca..735985974a31 100644 --- a/arch/arc/configs/vdk_hs38_smp_defconfig +++ b/arch/arc/configs/vdk_hs38_smp_defconfig @@ -16,7 +16,7 @@ CONFIG_ARC_PLAT_AXS10X=y CONFIG_AXS103=y CONFIG_ISA_ARCV2=y CONFIG_SMP=y -# CONFIG_ARC_HAS_GRTC is not set +# CONFIG_ARC_HAS_GFRC is not set CONFIG_ARC_UBOOT_SUPPORT=y CONFIG_ARC_BUILTIN_DTB_NAME="vdk_hs38_smp" CONFIG_PREEMPT=y diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 7fac7d85ed6a..f9f4c6f59fdb 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -10,7 +10,8 @@ #define _ASM_ARC_ARCREGS_H /* Build Configuration Registers */ -#define ARC_REG_DCCMBASE_BCR 0x61 /* DCCM Base Addr */ +#define ARC_REG_AUX_DCCM 0x18 /* DCCM Base Addr ARCv2 */ +#define ARC_REG_DCCM_BASE_BUILD 0x61 /* DCCM Base Addr ARCompact */ #define ARC_REG_CRC_BCR 0x62 #define ARC_REG_VECBASE_BCR 0x68 #define ARC_REG_PERIBASE_BCR 0x69 @@ -18,10 +19,10 @@ #define ARC_REG_DPFP_BCR 0x6C /* ARCompact: Dbl Precision FPU */ #define ARC_REG_FP_V2_BCR 0xc8 /* ARCv2 FPU */ #define ARC_REG_SLC_BCR 0xce -#define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */ +#define ARC_REG_DCCM_BUILD 0x74 /* DCCM size (common) */ #define ARC_REG_TIMERS_BCR 0x75 #define ARC_REG_AP_BCR 0x76 -#define ARC_REG_ICCM_BCR 0x78 +#define ARC_REG_ICCM_BUILD 0x78 /* ICCM size (common) */ #define ARC_REG_XY_MEM_BCR 0x79 #define ARC_REG_MAC_BCR 0x7a #define ARC_REG_MUL_BCR 0x7b @@ -36,6 +37,7 @@ #define ARC_REG_IRQ_BCR 0xF3 #define ARC_REG_SMART_BCR 0xFF #define ARC_REG_CLUSTER_BCR 0xcf +#define ARC_REG_AUX_ICCM 0x208 /* ICCM Base Addr (ARCv2) */ /* status32 Bits Positions */ #define STATUS_AE_BIT 5 /* Exception active */ @@ -246,7 +248,7 @@ struct bcr_perip { #endif }; -struct bcr_iccm { +struct bcr_iccm_arcompact { #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int base:16, pad:5, sz:3, ver:8; #else @@ -254,17 +256,15 @@ struct bcr_iccm { #endif }; -/* DCCM Base Address Register: ARC_REG_DCCMBASE_BCR */ -struct bcr_dccm_base { +struct bcr_iccm_arcv2 { #ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int addr:24, ver:8; + unsigned int pad:8, sz11:4, sz01:4, sz10:4, sz00:4, ver:8; #else - unsigned int ver:8, addr:24; + unsigned int ver:8, sz00:4, sz10:4, sz01:4, sz11:4, pad:8; #endif }; -/* DCCM RAM Configuration Register: ARC_REG_DCCM_BCR */ -struct bcr_dccm { +struct bcr_dccm_arcompact { #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int res:21, sz:3, ver:8; #else @@ -272,6 +272,14 @@ struct bcr_dccm { #endif }; +struct bcr_dccm_arcv2 { +#ifdef CONFIG_CPU_BIG_ENDIAN + unsigned int pad2:12, cyc:3, pad1:1, sz1:4, sz0:4, ver:8; +#else + unsigned int ver:8, sz0:4, sz1:4, pad1:1, cyc:3, pad2:12; +#endif +}; + /* ARCompact: Both SP and DP FPU BCRs have same format */ struct bcr_fp_arcompact { #ifdef CONFIG_CPU_BIG_ENDIAN @@ -315,9 +323,9 @@ struct bcr_bpu_arcv2 { struct bcr_generic { #ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int pad:24, ver:8; + unsigned int info:24, ver:8; #else - unsigned int ver:8, pad:24; + unsigned int ver:8, info:24; #endif }; @@ -349,14 +357,13 @@ struct cpuinfo_arc { struct cpuinfo_arc_bpu bpu; struct bcr_identity core; struct bcr_isa isa; - struct bcr_timer timers; unsigned int vec_base; struct cpuinfo_arc_ccm iccm, dccm; struct { unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, pad1:3, fpu_sp:1, fpu_dp:1, pad2:6, debug:1, ap:1, smart:1, rtt:1, pad3:4, - pad4:8; + timer0:1, timer1:1, rtc:1, gfrc:1, pad4:4; } extn; struct bcr_mpy extn_mpy; struct bcr_extn_xymem extn_xymem; diff --git a/arch/arc/include/asm/irq.h b/arch/arc/include/asm/irq.h index 4fd7d62a6e30..49014f0ef36d 100644 --- a/arch/arc/include/asm/irq.h +++ b/arch/arc/include/asm/irq.h @@ -16,11 +16,9 @@ #ifdef CONFIG_ISA_ARCOMPACT #define TIMER0_IRQ 3 #define TIMER1_IRQ 4 -#define IPI_IRQ (NR_CPU_IRQS-1) /* dummy to enable SMP build for up hardware */ #else #define TIMER0_IRQ 16 #define TIMER1_IRQ 17 -#define IPI_IRQ 19 #endif #include <linux/interrupt.h> diff --git a/arch/arc/include/asm/irqflags-arcv2.h b/arch/arc/include/asm/irqflags-arcv2.h index 258b0e5ad332..37c2f751eebf 100644 --- a/arch/arc/include/asm/irqflags-arcv2.h +++ b/arch/arc/include/asm/irqflags-arcv2.h @@ -22,6 +22,7 @@ #define AUX_IRQ_CTRL 0x00E #define AUX_IRQ_ACT 0x043 /* Active Intr across all levels */ #define AUX_IRQ_LVL_PEND 0x200 /* Pending Intr across all levels */ +#define AUX_IRQ_HINT 0x201 /* For generating Soft Interrupts */ #define AUX_IRQ_PRIORITY 0x206 #define ICAUSE 0x40a #define AUX_IRQ_SELECT 0x40b @@ -30,8 +31,11 @@ /* Was Intr taken in User Mode */ #define AUX_IRQ_ACT_BIT_U 31 -/* 0 is highest level, but taken by FIRQs, if present in design */ -#define ARCV2_IRQ_DEF_PRIO 0 +/* + * User space should be interruptable even by lowest prio interrupt + * Safe even if actual interrupt priorities is fewer or even one + */ +#define ARCV2_IRQ_DEF_PRIO 15 /* seed value for status register */ #define ISA_INIT_STATUS_BITS (STATUS_IE_MASK | STATUS_AD_MASK | \ @@ -112,6 +116,16 @@ static inline int arch_irqs_disabled(void) return arch_irqs_disabled_flags(arch_local_save_flags()); } +static inline void arc_softirq_trigger(int irq) +{ + write_aux_reg(AUX_IRQ_HINT, irq); +} + +static inline void arc_softirq_clear(int irq) +{ + write_aux_reg(AUX_IRQ_HINT, 0); +} + #else .macro IRQ_DISABLE scratch diff --git a/arch/arc/include/asm/mcip.h b/arch/arc/include/asm/mcip.h index 46f4e5351b2a..847e3bbe387f 100644 --- a/arch/arc/include/asm/mcip.h +++ b/arch/arc/include/asm/mcip.h @@ -39,8 +39,8 @@ struct mcip_cmd { #define CMD_DEBUG_SET_MASK 0x34 #define CMD_DEBUG_SET_SELECT 0x36 -#define CMD_GRTC_READ_LO 0x42 -#define CMD_GRTC_READ_HI 0x43 +#define CMD_GFRC_READ_LO 0x42 +#define CMD_GFRC_READ_HI 0x43 #define CMD_IDU_ENABLE 0x71 #define CMD_IDU_DISABLE 0x72 diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index 57af2f05ae84..d426d4215513 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -179,37 +179,44 @@ #define __S111 PAGE_U_X_W_R /**************************************************************** - * Page Table Lookup split + * 2 tier (PGD:PTE) software page walker * - * We implement 2 tier paging and since this is all software, we are free - * to customize the span of a PGD / PTE entry to suit us - * - * 32 bit virtual address + * [31] 32 bit virtual address [0] * ------------------------------------------------------- - * | BITS_FOR_PGD | BITS_FOR_PTE | BITS_IN_PAGE | + * | | <------------ PGDIR_SHIFT ----------> | + * | | | + * | BITS_FOR_PGD | BITS_FOR_PTE | <-- PAGE_SHIFT --> | * ------------------------------------------------------- * | | | * | | --> off in page frame - * | | * | ---> index into Page Table - * | * ----> index into Page Directory + * + * In a single page size configuration, only PAGE_SHIFT is fixed + * So both PGD and PTE sizing can be tweaked + * e.g. 8K page (PAGE_SHIFT 13) can have + * - PGDIR_SHIFT 21 -> 11:8:13 address split + * - PGDIR_SHIFT 24 -> 8:11:13 address split + * + * If Super Page is configured, PGDIR_SHIFT becomes fixed too, + * so the sizing flexibility is gone. */ -#define BITS_IN_PAGE PAGE_SHIFT - -/* Optimal Sizing of Pg Tbl - based on MMU page size */ -#if defined(CONFIG_ARC_PAGE_SIZE_8K) -#define BITS_FOR_PTE 8 /* 11:8:13 */ -#elif defined(CONFIG_ARC_PAGE_SIZE_16K) -#define BITS_FOR_PTE 8 /* 10:8:14 */ -#elif defined(CONFIG_ARC_PAGE_SIZE_4K) -#define BITS_FOR_PTE 9 /* 11:9:12 */ +#if defined(CONFIG_ARC_HUGEPAGE_16M) +#define PGDIR_SHIFT 24 +#elif defined(CONFIG_ARC_HUGEPAGE_2M) +#define PGDIR_SHIFT 21 +#else +/* + * Only Normal page support so "hackable" (see comment above) + * Default value provides 11:8:13 (8K), 11:9:12 (4K) + */ +#define PGDIR_SHIFT 21 #endif -#define BITS_FOR_PGD (32 - BITS_FOR_PTE - BITS_IN_PAGE) +#define BITS_FOR_PTE (PGDIR_SHIFT - PAGE_SHIFT) +#define BITS_FOR_PGD (32 - PGDIR_SHIFT) -#define PGDIR_SHIFT (32 - BITS_FOR_PGD) #define PGDIR_SIZE (1UL << PGDIR_SHIFT) /* vaddr span, not PDG sz */ #define PGDIR_MASK (~(PGDIR_SIZE-1)) diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S index cbfec79137bf..c1264607bbff 100644 --- a/arch/arc/kernel/entry-arcv2.S +++ b/arch/arc/kernel/entry-arcv2.S @@ -45,11 +45,12 @@ VECTOR reserved ; Reserved slots VECTOR handle_interrupt ; (16) Timer0 VECTOR handle_interrupt ; unused (Timer1) VECTOR handle_interrupt ; unused (WDT) -VECTOR handle_interrupt ; (19) ICI (inter core interrupt) -VECTOR handle_interrupt -VECTOR handle_interrupt -VECTOR handle_interrupt -VECTOR handle_interrupt ; (23) End of fixed IRQs +VECTOR handle_interrupt ; (19) Inter core Interrupt (IPI) +VECTOR handle_interrupt ; (20) perf Interrupt +VECTOR handle_interrupt ; (21) Software Triggered Intr (Self IPI) +VECTOR handle_interrupt ; unused +VECTOR handle_interrupt ; (23) unused +# End of fixed IRQs .rept CONFIG_ARC_NUMBER_OF_INTERRUPTS - 8 VECTOR handle_interrupt @@ -211,7 +212,11 @@ debug_marker_syscall: ; (since IRQ NOT allowed in DS in ARCv2, this can only happen if orig ; entry was via Exception in DS which got preempted in kernel). ; -; IRQ RTIE won't reliably restore DE bit and/or BTA, needs handling +; IRQ RTIE won't reliably restore DE bit and/or BTA, needs workaround +; +; Solution is return from Intr w/o any delay slot quirks into a kernel trampoline +; and from pure kernel mode return to delay slot which handles DS bit/BTA correctly + .Lintr_ret_to_delay_slot: debug_marker_ds: @@ -222,18 +227,23 @@ debug_marker_ds: ld r2, [sp, PT_ret] ld r3, [sp, PT_status32] + ; STAT32 for Int return created from scratch + ; (No delay dlot, disable Further intr in trampoline) + bic r0, r3, STATUS_U_MASK|STATUS_DE_MASK|STATUS_IE_MASK|STATUS_L_MASK st r0, [sp, PT_status32] mov r1, .Lintr_ret_to_delay_slot_2 st r1, [sp, PT_ret] + ; Orig exception PC/STAT32 safekept @orig_r0 and @event stack slots st r2, [sp, 0] st r3, [sp, 4] b .Lisr_ret_fast_path .Lintr_ret_to_delay_slot_2: + ; Trampoline to restore orig exception PC/STAT32/BTA/AUX_USER_SP sub sp, sp, SZ_PT_REGS st r9, [sp, -4] @@ -243,11 +253,19 @@ debug_marker_ds: ld r9, [sp, 4] sr r9, [erstatus] + ; restore AUX_USER_SP if returning to U mode + bbit0 r9, STATUS_U_BIT, 1f + ld r9, [sp, PT_sp] + sr r9, [AUX_USER_SP] + +1: ld r9, [sp, 8] sr r9, [erbta] ld r9, [sp, -4] add sp, sp, SZ_PT_REGS + + ; return from pure kernel mode to delay slot rtie END(ret_from_exception) diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c index 0394f9f61b46..942526322ae7 100644 --- a/arch/arc/kernel/intc-arcv2.c +++ b/arch/arc/kernel/intc-arcv2.c @@ -14,6 +14,8 @@ #include <linux/irqchip.h> #include <asm/irq.h> +static int irq_prio; + /* * Early Hardware specific Interrupt setup * -Called very early (start_kernel -> setup_arch -> setup_processor) @@ -24,6 +26,14 @@ void arc_init_IRQ(void) { unsigned int tmp; + struct irq_build { +#ifdef CONFIG_CPU_BIG_ENDIAN + unsigned int pad:3, firq:1, prio:4, exts:8, irqs:8, ver:8; +#else + unsigned int ver:8, irqs:8, exts:8, prio:4, firq:1, pad:3; +#endif + } irq_bcr; + struct aux_irq_ctrl { #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int res3:18, save_idx_regs:1, res2:1, @@ -46,28 +56,25 @@ void arc_init_IRQ(void) WRITE_AUX(AUX_IRQ_CTRL, ictrl); - /* setup status32, don't enable intr yet as kernel doesn't want */ - tmp = read_aux_reg(0xa); - tmp |= ISA_INIT_STATUS_BITS; - tmp &= ~STATUS_IE_MASK; - asm volatile("flag %0 \n"::"r"(tmp)); - /* * ARCv2 core intc provides multiple interrupt priorities (upto 16). * Typical builds though have only two levels (0-high, 1-low) * Linux by default uses lower prio 1 for most irqs, reserving 0 for * NMI style interrupts in future (say perf) - * - * Read the intc BCR to confirm that Linux default priority is avail - * in h/w - * - * Note: - * IRQ_BCR[27..24] contains N-1 (for N priority levels) and prio level - * is 0 based. */ - tmp = (read_aux_reg(ARC_REG_IRQ_BCR) >> 24 ) & 0xF; - if (ARCV2_IRQ_DEF_PRIO > tmp) - panic("Linux default irq prio incorrect\n"); + + READ_BCR(ARC_REG_IRQ_BCR, irq_bcr); + + irq_prio = irq_bcr.prio; /* Encoded as N-1 for N levels */ + pr_info("archs-intc\t: %d priority levels (default %d)%s\n", + irq_prio + 1, irq_prio, + irq_bcr.firq ? " FIRQ (not used)":""); + + /* setup status32, don't enable intr yet as kernel doesn't want */ + tmp = read_aux_reg(0xa); + tmp |= STATUS_AD_MASK | (irq_prio << 1); + tmp &= ~STATUS_IE_MASK; + asm volatile("flag %0 \n"::"r"(tmp)); } static void arcv2_irq_mask(struct irq_data *data) @@ -86,7 +93,7 @@ void arcv2_irq_enable(struct irq_data *data) { /* set default priority */ write_aux_reg(AUX_IRQ_SELECT, data->irq); - write_aux_reg(AUX_IRQ_PRIORITY, ARCV2_IRQ_DEF_PRIO); + write_aux_reg(AUX_IRQ_PRIORITY, irq_prio); /* * hw auto enables (linux unmask) all by default diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c index 06bcedf19b62..224d1c3aa9c4 100644 --- a/arch/arc/kernel/intc-compact.c +++ b/arch/arc/kernel/intc-compact.c @@ -81,9 +81,6 @@ static int arc_intc_domain_map(struct irq_domain *d, unsigned int irq, { switch (irq) { case TIMER0_IRQ: -#ifdef CONFIG_SMP - case IPI_IRQ: -#endif irq_set_chip_and_handler(irq, &onchip_intc, handle_percpu_irq); break; default: diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index bd237acdf4f2..c41c364b926c 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -11,9 +11,13 @@ #include <linux/smp.h> #include <linux/irq.h> #include <linux/spinlock.h> +#include <asm/irqflags-arcv2.h> #include <asm/mcip.h> #include <asm/setup.h> +#define IPI_IRQ 19 +#define SOFTIRQ_IRQ 21 + static char smp_cpuinfo_buf[128]; static int idu_detected; @@ -22,6 +26,7 @@ static DEFINE_RAW_SPINLOCK(mcip_lock); static void mcip_setup_per_cpu(int cpu) { smp_ipi_irq_setup(cpu, IPI_IRQ); + smp_ipi_irq_setup(cpu, SOFTIRQ_IRQ); } static void mcip_ipi_send(int cpu) @@ -29,46 +34,44 @@ static void mcip_ipi_send(int cpu) unsigned long flags; int ipi_was_pending; + /* ARConnect can only send IPI to others */ + if (unlikely(cpu == raw_smp_processor_id())) { + arc_softirq_trigger(SOFTIRQ_IRQ); + return; + } + + raw_spin_lock_irqsave(&mcip_lock, flags); + /* - * NOTE: We must spin here if the other cpu hasn't yet - * serviced a previous message. This can burn lots - * of time, but we MUST follows this protocol or - * ipi messages can be lost!!! - * Also, we must release the lock in this loop because - * the other side may get to this same loop and not - * be able to ack -- thus causing deadlock. + * If receiver already has a pending interrupt, elide sending this one. + * Linux cross core calling works well with concurrent IPIs + * coalesced into one + * see arch/arc/kernel/smp.c: ipi_send_msg_one() */ + __mcip_cmd(CMD_INTRPT_READ_STATUS, cpu); + ipi_was_pending = read_aux_reg(ARC_REG_MCIP_READBACK); + if (!ipi_was_pending) + __mcip_cmd(CMD_INTRPT_GENERATE_IRQ, cpu); - do { - raw_spin_lock_irqsave(&mcip_lock, flags); - __mcip_cmd(CMD_INTRPT_READ_STATUS, cpu); - ipi_was_pending = read_aux_reg(ARC_REG_MCIP_READBACK); - if (ipi_was_pending == 0) - break; /* break out but keep lock */ - raw_spin_unlock_irqrestore(&mcip_lock, flags); - } while (1); - - __mcip_cmd(CMD_INTRPT_GENERATE_IRQ, cpu); raw_spin_unlock_irqrestore(&mcip_lock, flags); - -#ifdef CONFIG_ARC_IPI_DBG - if (ipi_was_pending) - pr_info("IPI ACK delayed from cpu %d\n", cpu); -#endif } static void mcip_ipi_clear(int irq) { unsigned int cpu, c; unsigned long flags; - unsigned int __maybe_unused copy; + + if (unlikely(irq == SOFTIRQ_IRQ)) { + arc_softirq_clear(irq); + return; + } raw_spin_lock_irqsave(&mcip_lock, flags); /* Who sent the IPI */ __mcip_cmd(CMD_INTRPT_CHECK_SOURCE, 0); - copy = cpu = read_aux_reg(ARC_REG_MCIP_READBACK); /* 1,2,4,8... */ + cpu = read_aux_reg(ARC_REG_MCIP_READBACK); /* 1,2,4,8... */ /* * In rare case, multiple concurrent IPIs sent to same target can @@ -82,12 +85,6 @@ static void mcip_ipi_clear(int irq) } while (cpu); raw_spin_unlock_irqrestore(&mcip_lock, flags); - -#ifdef CONFIG_ARC_IPI_DBG - if (c != __ffs(copy)) - pr_info("IPIs from %x coalesced to %x\n", - copy, raw_smp_processor_id()); -#endif } static void mcip_probe_n_setup(void) @@ -96,13 +93,13 @@ static void mcip_probe_n_setup(void) #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int pad3:8, idu:1, llm:1, num_cores:6, - iocoh:1, grtc:1, dbg:1, pad2:1, + iocoh:1, gfrc:1, dbg:1, pad2:1, msg:1, sem:1, ipi:1, pad:1, ver:8; #else unsigned int ver:8, pad:1, ipi:1, sem:1, msg:1, - pad2:1, dbg:1, grtc:1, iocoh:1, + pad2:1, dbg:1, gfrc:1, iocoh:1, num_cores:6, llm:1, idu:1, pad3:8; #endif @@ -111,12 +108,13 @@ static void mcip_probe_n_setup(void) READ_BCR(ARC_REG_MCIP_BCR, mp); sprintf(smp_cpuinfo_buf, - "Extn [SMP]\t: ARConnect (v%d): %d cores with %s%s%s%s\n", + "Extn [SMP]\t: ARConnect (v%d): %d cores with %s%s%s%s%s\n", mp.ver, mp.num_cores, IS_AVAIL1(mp.ipi, "IPI "), IS_AVAIL1(mp.idu, "IDU "), + IS_AVAIL1(mp.llm, "LLM "), IS_AVAIL1(mp.dbg, "DEBUG "), - IS_AVAIL1(mp.grtc, "GRTC")); + IS_AVAIL1(mp.gfrc, "GFRC")); idu_detected = mp.idu; @@ -125,8 +123,8 @@ static void mcip_probe_n_setup(void) __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xf, 0xf); } - if (IS_ENABLED(CONFIG_ARC_HAS_GRTC) && !mp.grtc) - panic("kernel trying to use non-existent GRTC\n"); + if (IS_ENABLED(CONFIG_ARC_HAS_GFRC) && !mp.gfrc) + panic("kernel trying to use non-existent GFRC\n"); } struct plat_smp_ops plat_smp_ops = { diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index e1b87444ea9a..cdc821df1809 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -42,9 +42,57 @@ struct task_struct *_current_task[NR_CPUS]; /* For stack switching */ struct cpuinfo_arc cpuinfo_arc700[NR_CPUS]; +static void read_decode_ccm_bcr(struct cpuinfo_arc *cpu) +{ + if (is_isa_arcompact()) { + struct bcr_iccm_arcompact iccm; + struct bcr_dccm_arcompact dccm; + + READ_BCR(ARC_REG_ICCM_BUILD, iccm); + if (iccm.ver) { + cpu->iccm.sz = 4096 << iccm.sz; /* 8K to 512K */ + cpu->iccm.base_addr = iccm.base << 16; + } + + READ_BCR(ARC_REG_DCCM_BUILD, dccm); + if (dccm.ver) { + unsigned long base; + cpu->dccm.sz = 2048 << dccm.sz; /* 2K to 256K */ + + base = read_aux_reg(ARC_REG_DCCM_BASE_BUILD); + cpu->dccm.base_addr = base & ~0xF; + } + } else { + struct bcr_iccm_arcv2 iccm; + struct bcr_dccm_arcv2 dccm; + unsigned long region; + + READ_BCR(ARC_REG_ICCM_BUILD, iccm); + if (iccm.ver) { + cpu->iccm.sz = 256 << iccm.sz00; /* 512B to 16M */ + if (iccm.sz00 == 0xF && iccm.sz01 > 0) + cpu->iccm.sz <<= iccm.sz01; + + region = read_aux_reg(ARC_REG_AUX_ICCM); + cpu->iccm.base_addr = region & 0xF0000000; + } + + READ_BCR(ARC_REG_DCCM_BUILD, dccm); + if (dccm.ver) { + cpu->dccm.sz = 256 << dccm.sz0; + if (dccm.sz0 == 0xF && dccm.sz1 > 0) + cpu->dccm.sz <<= dccm.sz1; + + region = read_aux_reg(ARC_REG_AUX_DCCM); + cpu->dccm.base_addr = region & 0xF0000000; + } + } +} + static void read_arc_build_cfg_regs(void) { struct bcr_perip uncached_space; + struct bcr_timer timer; struct bcr_generic bcr; struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; unsigned long perip_space; @@ -53,7 +101,11 @@ static void read_arc_build_cfg_regs(void) READ_BCR(AUX_IDENTITY, cpu->core); READ_BCR(ARC_REG_ISA_CFG_BCR, cpu->isa); - READ_BCR(ARC_REG_TIMERS_BCR, cpu->timers); + READ_BCR(ARC_REG_TIMERS_BCR, timer); + cpu->extn.timer0 = timer.t0; + cpu->extn.timer1 = timer.t1; + cpu->extn.rtc = timer.rtc; + cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE); READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space); @@ -71,36 +123,11 @@ static void read_arc_build_cfg_regs(void) cpu->extn.swap = read_aux_reg(ARC_REG_SWAP_BCR) ? 1 : 0; /* 1,3 */ cpu->extn.crc = read_aux_reg(ARC_REG_CRC_BCR) ? 1 : 0; cpu->extn.minmax = read_aux_reg(ARC_REG_MIXMAX_BCR) > 1 ? 1 : 0; /* 2 */ - - /* Note that we read the CCM BCRs independent of kernel config - * This is to catch the cases where user doesn't know that - * CCMs are present in hardware build - */ - { - struct bcr_iccm iccm; - struct bcr_dccm dccm; - struct bcr_dccm_base dccm_base; - unsigned int bcr_32bit_val; - - bcr_32bit_val = read_aux_reg(ARC_REG_ICCM_BCR); - if (bcr_32bit_val) { - iccm = *((struct bcr_iccm *)&bcr_32bit_val); - cpu->iccm.base_addr = iccm.base << 16; - cpu->iccm.sz = 0x2000 << (iccm.sz - 1); - } - - bcr_32bit_val = read_aux_reg(ARC_REG_DCCM_BCR); - if (bcr_32bit_val) { - dccm = *((struct bcr_dccm *)&bcr_32bit_val); - cpu->dccm.sz = 0x800 << (dccm.sz); - - READ_BCR(ARC_REG_DCCMBASE_BCR, dccm_base); - cpu->dccm.base_addr = dccm_base.addr << 8; - } - } - READ_BCR(ARC_REG_XY_MEM_BCR, cpu->extn_xymem); + /* Read CCM BCRs for boot reporting even if not enabled in Kconfig */ + read_decode_ccm_bcr(cpu); + read_decode_mmu_bcr(); read_decode_cache_bcr(); @@ -208,9 +235,9 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) (unsigned int)(arc_get_core_freq() / 10000) % 100); n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s%s%s\nISA Extn\t: ", - IS_AVAIL1(cpu->timers.t0, "Timer0 "), - IS_AVAIL1(cpu->timers.t1, "Timer1 "), - IS_AVAIL2(cpu->timers.rtc, "64-bit RTC ", + IS_AVAIL1(cpu->extn.timer0, "Timer0 "), + IS_AVAIL1(cpu->extn.timer1, "Timer1 "), + IS_AVAIL2(cpu->extn.rtc, "Local-64-bit-Ctr ", CONFIG_ARC_HAS_RTC)); n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s", @@ -232,8 +259,6 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); } - n += scnprintf(buf + n, len - n, "%s", - IS_USED_CFG(CONFIG_ARC_HAS_HW_MPY)); } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", @@ -293,13 +318,13 @@ static void arc_chk_core_config(void) struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; int fpu_enabled; - if (!cpu->timers.t0) + if (!cpu->extn.timer0) panic("Timer0 is not present!\n"); - if (!cpu->timers.t1) + if (!cpu->extn.timer1) panic("Timer1 is not present!\n"); - if (IS_ENABLED(CONFIG_ARC_HAS_RTC) && !cpu->timers.rtc) + if (IS_ENABLED(CONFIG_ARC_HAS_RTC) && !cpu->extn.rtc) panic("RTC is not present\n"); #ifdef CONFIG_ARC_HAS_DCCM @@ -334,6 +359,7 @@ static void arc_chk_core_config(void) panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n"); if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic && + IS_ENABLED(CONFIG_ARC_HAS_LLSC) && !IS_ENABLED(CONFIG_ARC_STAR_9000923308)) panic("llock/scond livelock workaround missing\n"); } diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index ef6e9e15b82a..424e937da5c8 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -336,11 +336,8 @@ irqreturn_t do_IPI(int irq, void *dev_id) int rc; rc = __do_IPI(msg); -#ifdef CONFIG_ARC_IPI_DBG - /* IPI received but no valid @msg */ if (rc) pr_info("IPI with bogus msg %ld in %ld\n", msg, copy); -#endif pending &= ~(1U << msg); } while (pending); diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index dfad287f1db1..156d9833ff84 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -62,7 +62,7 @@ /********** Clock Source Device *********/ -#ifdef CONFIG_ARC_HAS_GRTC +#ifdef CONFIG_ARC_HAS_GFRC static int arc_counter_setup(void) { @@ -83,10 +83,10 @@ static cycle_t arc_counter_read(struct clocksource *cs) local_irq_save(flags); - __mcip_cmd(CMD_GRTC_READ_LO, 0); + __mcip_cmd(CMD_GFRC_READ_LO, 0); stamp.l = read_aux_reg(ARC_REG_MCIP_READBACK); - __mcip_cmd(CMD_GRTC_READ_HI, 0); + __mcip_cmd(CMD_GFRC_READ_HI, 0); stamp.h = read_aux_reg(ARC_REG_MCIP_READBACK); local_irq_restore(flags); @@ -95,7 +95,7 @@ static cycle_t arc_counter_read(struct clocksource *cs) } static struct clocksource arc_counter = { - .name = "ARConnect GRTC", + .name = "ARConnect GFRC", .rating = 400, .read = arc_counter_read, .mask = CLOCKSOURCE_MASK(64), diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi index f3db13d2d90e..0cc150b87b86 100644 --- a/arch/arm/boot/dts/am335x-bone-common.dtsi +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi @@ -285,8 +285,10 @@ }; }; + +/include/ "tps65217.dtsi" + &tps { - compatible = "ti,tps65217"; /* * Configure pmic to enter OFF-state instead of SLEEP-state ("RTC-only * mode") at poweroff. Most BeagleBone versions do not support RTC-only @@ -307,17 +309,12 @@ ti,pmic-shutdown-controller; regulators { - #address-cells = <1>; - #size-cells = <0>; - dcdc1_reg: regulator@0 { - reg = <0>; regulator-name = "vdds_dpr"; regulator-always-on; }; dcdc2_reg: regulator@1 { - reg = <1>; /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; @@ -327,7 +324,6 @@ }; dcdc3_reg: regulator@2 { - reg = <2>; /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; @@ -337,25 +333,21 @@ }; ldo1_reg: regulator@3 { - reg = <3>; regulator-name = "vio,vrtc,vdds"; regulator-always-on; }; ldo2_reg: regulator@4 { - reg = <4>; regulator-name = "vdd_3v3aux"; regulator-always-on; }; ldo3_reg: regulator@5 { - reg = <5>; regulator-name = "vdd_1v8"; regulator-always-on; }; ldo4_reg: regulator@6 { - reg = <6>; regulator-name = "vdd_3v3a"; regulator-always-on; }; diff --git a/arch/arm/boot/dts/am335x-chilisom.dtsi b/arch/arm/boot/dts/am335x-chilisom.dtsi index fda457b07e15..857d9894103a 100644 --- a/arch/arm/boot/dts/am335x-chilisom.dtsi +++ b/arch/arm/boot/dts/am335x-chilisom.dtsi @@ -128,21 +128,16 @@ }; -&tps { - compatible = "ti,tps65217"; +/include/ "tps65217.dtsi" +&tps { regulators { - #address-cells = <1>; - #size-cells = <0>; - dcdc1_reg: regulator@0 { - reg = <0>; regulator-name = "vdds_dpr"; regulator-always-on; }; dcdc2_reg: regulator@1 { - reg = <1>; /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; @@ -152,7 +147,6 @@ }; dcdc3_reg: regulator@2 { - reg = <2>; /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; @@ -162,28 +156,24 @@ }; ldo1_reg: regulator@3 { - reg = <3>; regulator-name = "vio,vrtc,vdds"; regulator-boot-on; regulator-always-on; }; ldo2_reg: regulator@4 { - reg = <4>; regulator-name = "vdd_3v3aux"; regulator-boot-on; regulator-always-on; }; ldo3_reg: regulator@5 { - reg = <5>; regulator-name = "vdd_1v8"; regulator-boot-on; regulator-always-on; }; ldo4_reg: regulator@6 { - reg = <6>; regulator-name = "vdd_3v3d"; regulator-boot-on; regulator-always-on; diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts index 77559a1ded60..f313999c503e 100644 --- a/arch/arm/boot/dts/am335x-nano.dts +++ b/arch/arm/boot/dts/am335x-nano.dts @@ -375,15 +375,11 @@ wp-gpios = <&gpio3 18 0>; }; -&tps { - compatible = "ti,tps65217"; +#include "tps65217.dtsi" +&tps { regulators { - #address-cells = <1>; - #size-cells = <0>; - dcdc1_reg: regulator@0 { - reg = <0>; /* +1.5V voltage with ±4% tolerance */ regulator-min-microvolt = <1450000>; regulator-max-microvolt = <1550000>; @@ -392,7 +388,6 @@ }; dcdc2_reg: regulator@1 { - reg = <1>; /* VDD_MPU voltage limits 0.95V - 1.1V with ±4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <915000>; @@ -402,7 +397,6 @@ }; dcdc3_reg: regulator@2 { - reg = <2>; /* VDD_CORE voltage limits 0.95V - 1.1V with ±4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <915000>; @@ -412,7 +406,6 @@ }; ldo1_reg: regulator@3 { - reg = <3>; /* +1.8V voltage with ±4% tolerance */ regulator-min-microvolt = <1750000>; regulator-max-microvolt = <1870000>; @@ -421,7 +414,6 @@ }; ldo2_reg: regulator@4 { - reg = <4>; /* +3.3V voltage with ±4% tolerance */ regulator-min-microvolt = <3175000>; regulator-max-microvolt = <3430000>; @@ -430,7 +422,6 @@ }; ldo3_reg: regulator@5 { - reg = <5>; /* +1.8V voltage with ±4% tolerance */ regulator-min-microvolt = <1750000>; regulator-max-microvolt = <1870000>; @@ -439,7 +430,6 @@ }; ldo4_reg: regulator@6 { - reg = <6>; /* +3.3V voltage with ±4% tolerance */ regulator-min-microvolt = <3175000>; regulator-max-microvolt = <3430000>; diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts index 471a3a70ea1f..8867aaaec54d 100644 --- a/arch/arm/boot/dts/am335x-pepper.dts +++ b/arch/arm/boot/dts/am335x-pepper.dts @@ -420,9 +420,9 @@ vin-supply = <&vbat>; }; -&tps { - compatible = "ti,tps65217"; +/include/ "tps65217.dtsi" +&tps { backlight { isel = <1>; /* ISET1 */ fdim = <200>; /* TPS65217_BL_FDIM_200HZ */ @@ -430,17 +430,12 @@ }; regulators { - #address-cells = <1>; - #size-cells = <0>; - dcdc1_reg: regulator@0 { - reg = <0>; /* VDD_1V8 system supply */ regulator-always-on; }; dcdc2_reg: regulator@1 { - reg = <1>; /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; @@ -450,7 +445,6 @@ }; dcdc3_reg: regulator@2 { - reg = <2>; /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; @@ -460,21 +454,18 @@ }; ldo1_reg: regulator@3 { - reg = <3>; /* VRTC 1.8V always-on supply */ regulator-name = "vrtc,vdds"; regulator-always-on; }; ldo2_reg: regulator@4 { - reg = <4>; /* 3.3V rail */ regulator-name = "vdd_3v3aux"; regulator-always-on; }; ldo3_reg: regulator@5 { - reg = <5>; /* VDD_3V3A 3.3V rail */ regulator-name = "vdd_3v3a"; regulator-min-microvolt = <3300000>; @@ -482,7 +473,6 @@ }; ldo4_reg: regulator@6 { - reg = <6>; /* VDD_3V3B 3.3V rail */ regulator-name = "vdd_3v3b"; regulator-always-on; diff --git a/arch/arm/boot/dts/am335x-shc.dts b/arch/arm/boot/dts/am335x-shc.dts index 1b5b044fcd91..865de8500f1c 100644 --- a/arch/arm/boot/dts/am335x-shc.dts +++ b/arch/arm/boot/dts/am335x-shc.dts @@ -46,7 +46,7 @@ gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>; linux,code = <KEY_BACK>; debounce-interval = <1000>; - gpio-key,wakeup; + wakeup-source; }; front_button { @@ -54,7 +54,7 @@ gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>; linux,code = <KEY_FRONT>; debounce-interval = <1000>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts index d38edfa53bb9..3303c281697b 100644 --- a/arch/arm/boot/dts/am335x-sl50.dts +++ b/arch/arm/boot/dts/am335x-sl50.dts @@ -375,19 +375,16 @@ pinctrl-0 = <&uart4_pins>; }; +#include "tps65217.dtsi" + &tps { - compatible = "ti,tps65217"; ti,pmic-shutdown-controller; interrupt-parent = <&intc>; interrupts = <7>; /* NNMI */ regulators { - #address-cells = <1>; - #size-cells = <0>; - dcdc1_reg: regulator@0 { - reg = <0>; /* VDDS_DDR */ regulator-min-microvolt = <1500000>; regulator-max-microvolt = <1500000>; @@ -395,7 +392,6 @@ }; dcdc2_reg: regulator@1 { - reg = <1>; /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; @@ -405,7 +401,6 @@ }; dcdc3_reg: regulator@2 { - reg = <2>; /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; @@ -415,7 +410,6 @@ }; ldo1_reg: regulator@3 { - reg = <3>; /* VRTC / VIO / VDDS*/ regulator-always-on; regulator-min-microvolt = <1800000>; @@ -423,7 +417,6 @@ }; ldo2_reg: regulator@4 { - reg = <4>; /* VDD_3V3AUX */ regulator-always-on; regulator-min-microvolt = <3300000>; @@ -431,7 +424,6 @@ }; ldo3_reg: regulator@5 { - reg = <5>; /* VDD_1V8 */ regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -439,7 +431,6 @@ }; ldo4_reg: regulator@6 { - reg = <6>; /* VDD_3V3A */ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 04885f9f959e..1fafaad516ba 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -439,6 +439,7 @@ ti,mbox-num-users = <4>; ti,mbox-num-fifos = <8>; mbox_wkupm3: wkup_m3 { + ti,mbox-send-noirq; ti,mbox-tx = <0 0 0>; ti,mbox-rx = <0 0 3>; }; diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index df955ba4dc62..92068fbf8b57 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -73,7 +73,7 @@ global_timer: timer@48240200 { compatible = "arm,cortex-a9-global-timer"; reg = <0x48240200 0x100>; - interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>; interrupt-parent = <&gic>; clocks = <&mpu_periphclk>; }; @@ -81,7 +81,7 @@ local_timer: timer@48240600 { compatible = "arm,cortex-a9-twd-timer"; reg = <0x48240600 0x100>; - interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_PPI 13 IRQ_TYPE_EDGE_RISING>; interrupt-parent = <&gic>; clocks = <&mpu_periphclk>; }; @@ -290,6 +290,7 @@ ti,mbox-num-users = <4>; ti,mbox-num-fifos = <8>; mbox_wkupm3: wkup_m3 { + ti,mbox-send-noirq; ti,mbox-tx = <0 0 0>; ti,mbox-rx = <0 0 3>; }; diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index 64d43325bcbc..ecd09ab6d581 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -590,8 +590,6 @@ pinctrl-names = "default"; pinctrl-0 = <&pixcir_ts_pins>; reg = <0x5c>; - interrupt-parent = <&gpio3>; - interrupts = <22 0>; attb-gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; @@ -599,7 +597,7 @@ * 0x264 represents the offset of padconf register of * gpio3_22 from am43xx_pinmux base. */ - interrupts-extended = <&gpio3 22 IRQ_TYPE_NONE>, + interrupts-extended = <&gpio3 22 IRQ_TYPE_EDGE_FALLING>, <&am43xx_pinmux 0x264>; interrupt-names = "tsc", "wakeup"; diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index 746fd2b17958..d580e2b70f9a 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -491,7 +491,7 @@ pinctrl-0 = <&pixcir_ts_pins>; reg = <0x5c>; interrupt-parent = <&gpio1>; - interrupts = <17 0>; + interrupts = <17 IRQ_TYPE_EDGE_FALLING>; attb-gpio = <&gpio1 17 GPIO_ACTIVE_HIGH>; diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 36c0fa6c362a..a0986c65be0c 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -173,6 +173,8 @@ sound0_master: simple-audio-card,codec { sound-dai = <&tlv320aic3104>; + assigned-clocks = <&clkoutmux2_clk_mux>; + assigned-clock-parents = <&sys_clk2_dclk_div>; clocks = <&clkout2_clk>; }; }; @@ -796,6 +798,8 @@ pinctrl-names = "default", "sleep"; pinctrl-0 = <&mcasp3_pins_default>; pinctrl-1 = <&mcasp3_pins_sleep>; + assigned-clocks = <&mcasp3_ahclkx_mux>; + assigned-clock-parents = <&sys_clkin2>; status = "okay"; op-mode = <0>; /* MCASP_IIS_MODE */ diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts index c53882643ae9..1c06cb76da07 100644 --- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts +++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts @@ -167,7 +167,7 @@ DRA7XX_CORE_IOPAD(0x35b8, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d20.rgmii1_rd3 */ DRA7XX_CORE_IOPAD(0x35bc, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d21.rgmii1_rd2 */ DRA7XX_CORE_IOPAD(0x35c0, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d22.rgmii1_rd1 */ - DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT_PULLUP | MUX_MODE3) /* vin2a_d23.rgmii1_rd0 */ + DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* vin2a_d23.rgmii1_rd0 */ >; }; @@ -492,14 +492,14 @@ pinctrl-names = "default"; pinctrl-0 = <&qspi1_pins>; - spi-max-frequency = <20000000>; + spi-max-frequency = <48000000>; spi_flash: spi_flash@0 { #address-cells = <1>; #size-cells = <1>; compatible = "spansion,m25p80", "jedec,spi-nor"; reg = <0>; /* CS0 */ - spi-max-frequency = <20000000>; + spi-max-frequency = <48000000>; partition@0 { label = "uboot"; @@ -545,7 +545,7 @@ ti,debounce-tol = /bits/ 16 <10>; ti,debounce-rep = /bits/ 16 <1>; - linux,wakeup; + wakeup-source; }; }; @@ -559,13 +559,13 @@ &cpsw_emac0 { phy_id = <&davinci_mdio>, <0>; - phy-mode = "rgmii"; + phy-mode = "rgmii-txid"; dual_emac_res_vlan = <0>; }; &cpsw_emac1 { phy_id = <&davinci_mdio>, <1>; - phy-mode = "rgmii"; + phy-mode = "rgmii-txid"; dual_emac_res_vlan = <1>; }; @@ -588,7 +588,7 @@ }; &usb2 { - dr_mode = "peripheral"; + dr_mode = "host"; }; &mcasp3 { diff --git a/arch/arm/boot/dts/am57xx-sbc-am57x.dts b/arch/arm/boot/dts/am57xx-sbc-am57x.dts index 77bb8e17401a..988e99632d49 100644 --- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts +++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts @@ -25,8 +25,8 @@ &dra7_pmx_core { uart3_pins_default: uart3_pins_default { pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x37f8, PIN_INPUT_SLEW | MUX_MODE2) /* uart2_ctsn.uart3_rxd */ - DRA7XX_CORE_IOPAD(0x37fc, PIN_INPUT_SLEW | MUX_MODE1) /* uart2_rtsn.uart3_txd */ + DRA7XX_CORE_IOPAD(0x3648, PIN_INPUT_SLEW | MUX_MODE0) /* uart3_rxd */ + DRA7XX_CORE_IOPAD(0x364c, PIN_INPUT_SLEW | MUX_MODE0) /* uart3_txd */ >; }; @@ -108,9 +108,9 @@ pinctrl-0 = <&i2c5_pins_default>; clock-frequency = <400000>; - eeprom_base: atmel@50 { + eeprom_base: atmel@54 { compatible = "atmel,24c08"; - reg = <0x50>; + reg = <0x54>; pagesize = <16>; }; diff --git a/arch/arm/boot/dts/armada-xp-lenovo-ix4-300d.dts b/arch/arm/boot/dts/armada-xp-lenovo-ix4-300d.dts index 13cf69a8d0fb..fb9e1bbf2338 100644 --- a/arch/arm/boot/dts/armada-xp-lenovo-ix4-300d.dts +++ b/arch/arm/boot/dts/armada-xp-lenovo-ix4-300d.dts @@ -152,6 +152,7 @@ nand-on-flash-bbt; partitions { + compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index 77ddff036409..e683856c507c 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -114,9 +114,15 @@ macb0: ethernet@f8008000 { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_macb0_default>; + pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq>; phy-mode = "rmii"; status = "okay"; + + ethernet-phy@1 { + reg = <0x1>; + interrupt-parent = <&pioA>; + interrupts = <73 IRQ_TYPE_LEVEL_LOW>; + }; }; pdmic@f8018000 { @@ -300,6 +306,10 @@ bias-disable; }; + pinctrl_macb0_phy_irq: macb0_phy_irq { + pinmux = <PIN_PC9__GPIO>; + }; + pinctrl_pdmic_default: pdmic_default { pinmux = <PIN_PB26__PDMIC_DAT>, <PIN_PB27__PDMIC_CLK>; diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts index 131614f28e75..569026e8f96c 100644 --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts @@ -86,10 +86,12 @@ macb0: ethernet@f8020000 { phy-mode = "rmii"; status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>; phy0: ethernet-phy@1 { interrupt-parent = <&pioE>; - interrupts = <1 IRQ_TYPE_EDGE_FALLING>; + interrupts = <1 IRQ_TYPE_LEVEL_LOW>; reg = <1>; }; }; @@ -152,6 +154,10 @@ atmel,pins = <AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; }; + pinctrl_macb0_phy_irq: macb0_phy_irq_0 { + atmel,pins = + <AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; }; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d4ek.dts b/arch/arm/boot/dts/at91-sama5d4ek.dts index 2d4a33100af6..4e98cda97403 100644 --- a/arch/arm/boot/dts/at91-sama5d4ek.dts +++ b/arch/arm/boot/dts/at91-sama5d4ek.dts @@ -160,8 +160,15 @@ }; macb0: ethernet@f8020000 { + pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>; phy-mode = "rmii"; status = "okay"; + + ethernet-phy@1 { + reg = <0x1>; + interrupt-parent = <&pioE>; + interrupts = <1 IRQ_TYPE_LEVEL_LOW>; + }; }; mmc1: mmc@fc000000 { @@ -193,6 +200,10 @@ pinctrl@fc06a000 { board { + pinctrl_macb0_phy_irq: macb0_phy_irq { + atmel,pins = + <AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; pinctrl_mmc0_cd: mmc0_cd { atmel,pins = <AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts index ca4ddf86817a..626c67d66626 100644 --- a/arch/arm/boot/dts/at91sam9n12ek.dts +++ b/arch/arm/boot/dts/at91sam9n12ek.dts @@ -215,7 +215,7 @@ }; panel: panel { - compatible = "qd,qd43003c0-40", "simple-panel"; + compatible = "qiaodian,qd43003c0-40", "simple-panel"; backlight = <&backlight>; power-supply = <&panel_reg>; #address-cells = <1>; diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 4f6ae921656f..f74d3db4846d 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -896,7 +896,6 @@ #size-cells = <1>; reg = <0x2100000 0x10000>; ranges = <0 0x2100000 0x10000>; - interrupt-parent = <&intc>; clocks = <&clks IMX6QDL_CLK_CAAM_MEM>, <&clks IMX6QDL_CLK_CAAM_ACLK>, <&clks IMX6QDL_CLK_CAAM_IPG>, diff --git a/arch/arm/boot/dts/kirkwood-ds112.dts b/arch/arm/boot/dts/kirkwood-ds112.dts index bf4143c6cb8f..b84af3da8c84 100644 --- a/arch/arm/boot/dts/kirkwood-ds112.dts +++ b/arch/arm/boot/dts/kirkwood-ds112.dts @@ -14,7 +14,7 @@ #include "kirkwood-synology.dtsi" / { - model = "Synology DS111"; + model = "Synology DS112"; compatible = "synology,ds111", "marvell,kirkwood"; memory { diff --git a/arch/arm/boot/dts/kirkwood-lswvl.dts b/arch/arm/boot/dts/kirkwood-lswvl.dts index 09eed3cea0af..36eec7392ab4 100644 --- a/arch/arm/boot/dts/kirkwood-lswvl.dts +++ b/arch/arm/boot/dts/kirkwood-lswvl.dts @@ -1,7 +1,8 @@ /* * Device Tree file for Buffalo Linkstation LS-WVL/VL * - * Copyright (C) 2015, [email protected] + * Copyright (C) 2015, 2016 + * Roger Shimizu <[email protected]> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -156,21 +157,21 @@ button@1 { label = "Function Button"; linux,code = <KEY_OPTION>; - gpios = <&gpio0 45 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; }; button@2 { label = "Power-on Switch"; linux,code = <KEY_RESERVED>; linux,input-type = <5>; - gpios = <&gpio0 46 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 14 GPIO_ACTIVE_LOW>; }; button@3 { label = "Power-auto Switch"; linux,code = <KEY_ESC>; linux,input-type = <5>; - gpios = <&gpio0 47 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 15 GPIO_ACTIVE_LOW>; }; }; @@ -185,38 +186,38 @@ led@1 { label = "lswvl:red:alarm"; - gpios = <&gpio0 36 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>; }; led@2 { label = "lswvl:red:func"; - gpios = <&gpio0 37 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; }; led@3 { label = "lswvl:amber:info"; - gpios = <&gpio0 38 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; }; led@4 { label = "lswvl:blue:func"; - gpios = <&gpio0 39 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>; }; led@5 { label = "lswvl:blue:power"; - gpios = <&gpio0 40 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; default-state = "keep"; }; led@6 { label = "lswvl:red:hdderr0"; - gpios = <&gpio0 34 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; }; led@7 { label = "lswvl:red:hdderr1"; - gpios = <&gpio0 35 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>; }; }; @@ -233,7 +234,7 @@ 3250 1 5000 0>; - alarm-gpios = <&gpio0 43 GPIO_ACTIVE_HIGH>; + alarm-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; }; restart_poweroff { diff --git a/arch/arm/boot/dts/kirkwood-lswxl.dts b/arch/arm/boot/dts/kirkwood-lswxl.dts index f5db16a08597..b13ec20a7088 100644 --- a/arch/arm/boot/dts/kirkwood-lswxl.dts +++ b/arch/arm/boot/dts/kirkwood-lswxl.dts @@ -1,7 +1,8 @@ /* * Device Tree file for Buffalo Linkstation LS-WXL/WSXL * - * Copyright (C) 2015, [email protected] + * Copyright (C) 2015, 2016 + * Roger Shimizu <[email protected]> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -156,21 +157,21 @@ button@1 { label = "Function Button"; linux,code = <KEY_OPTION>; - gpios = <&gpio1 41 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; }; button@2 { label = "Power-on Switch"; linux,code = <KEY_RESERVED>; linux,input-type = <5>; - gpios = <&gpio1 42 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 10 GPIO_ACTIVE_LOW>; }; button@3 { label = "Power-auto Switch"; linux,code = <KEY_ESC>; linux,input-type = <5>; - gpios = <&gpio1 43 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; }; }; @@ -185,12 +186,12 @@ led@1 { label = "lswxl:blue:func"; - gpios = <&gpio1 36 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; }; led@2 { label = "lswxl:red:alarm"; - gpios = <&gpio1 49 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; }; led@3 { @@ -200,23 +201,23 @@ led@4 { label = "lswxl:blue:power"; - gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>; + default-state = "keep"; }; led@5 { label = "lswxl:red:func"; - gpios = <&gpio1 5 GPIO_ACTIVE_LOW>; - default-state = "keep"; + gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; }; led@6 { label = "lswxl:red:hdderr0"; - gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; + gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>; }; led@7 { label = "lswxl:red:hdderr1"; - gpios = <&gpio1 3 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>; }; }; @@ -225,15 +226,15 @@ pinctrl-0 = <&pmx_fan_low &pmx_fan_high &pmx_fan_lock>; pinctrl-names = "default"; - gpios = <&gpio0 47 GPIO_ACTIVE_LOW - &gpio0 48 GPIO_ACTIVE_LOW>; + gpios = <&gpio1 16 GPIO_ACTIVE_LOW + &gpio1 15 GPIO_ACTIVE_LOW>; gpio-fan,speed-map = <0 3 1500 2 3250 1 5000 0>; - alarm-gpios = <&gpio1 49 GPIO_ACTIVE_HIGH>; + alarm-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>; }; restart_poweroff { @@ -256,7 +257,7 @@ enable-active-high; regulator-always-on; regulator-boot-on; - gpio = <&gpio0 37 GPIO_ACTIVE_HIGH>; + gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>; }; hdd_power0: regulator@2 { compatible = "regulator-fixed"; diff --git a/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts b/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts index 1db6f2c506cc..8082d64266a3 100644 --- a/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts +++ b/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts @@ -131,6 +131,7 @@ chip-delay = <40>; status = "okay"; partitions { + compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi index 7fed0bd4f3de..00805322367e 100644 --- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi +++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi @@ -112,14 +112,6 @@ clock-frequency = <400000>; }; -&i2c2 { - clock-frequency = <400000>; -}; - -&i2c3 { - clock-frequency = <400000>; -}; - /* * Only found on the wireless SOM. For the SOM without wireless, the pins for * MMC3 can be routed with jumpers to the second MMC slot on the devkit and @@ -143,6 +135,7 @@ interrupt-parent = <&gpio5>; interrupts = <24 IRQ_TYPE_LEVEL_HIGH>; /* gpio 152 */ ref-clock-frequency = <26000000>; + tcxo-clock-frequency = <26000000>; }; }; diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi index 888412c63f97..902657d6713b 100644 --- a/arch/arm/boot/dts/omap5-board-common.dtsi +++ b/arch/arm/boot/dts/omap5-board-common.dtsi @@ -130,6 +130,16 @@ }; }; +&gpio8 { + /* TI trees use GPIO instead of msecure, see also muxing */ + p234 { + gpio-hog; + gpios = <10 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "gpio8_234/msecure"; + }; +}; + &omap5_pmx_core { pinctrl-names = "default"; pinctrl-0 = < @@ -213,6 +223,13 @@ >; }; + /* TI trees use GPIO mode; msecure mode does not work reliably? */ + palmas_msecure_pins: palmas_msecure_pins { + pinctrl-single,pins = < + OMAP5_IOPAD(0x180, PIN_OUTPUT | MUX_MODE6) /* gpio8_234 */ + >; + }; + usbhost_pins: pinmux_usbhost_pins { pinctrl-single,pins = < OMAP5_IOPAD(0x0c4, PIN_INPUT | MUX_MODE0) /* usbb2_hsic_strobe */ @@ -278,6 +295,12 @@ &usbhost_wkup_pins >; + palmas_sys_nirq_pins: pinmux_palmas_sys_nirq_pins { + pinctrl-single,pins = < + OMAP5_IOPAD(0x068, PIN_INPUT_PULLUP | MUX_MODE0) /* sys_nirq1 */ + >; + }; + usbhost_wkup_pins: pinmux_usbhost_wkup_pins { pinctrl-single,pins = < OMAP5_IOPAD(0x05a, PIN_OUTPUT | MUX_MODE0) /* fref_clk1_out, USB hub clk */ @@ -345,6 +368,8 @@ interrupt-controller; #interrupt-cells = <2>; ti,system-power-controller; + pinctrl-names = "default"; + pinctrl-0 = <&palmas_sys_nirq_pins &palmas_msecure_pins>; extcon_usb3: palmas_usb { compatible = "ti,palmas-usb-vid"; @@ -358,6 +383,14 @@ #clock-cells = <0>; }; + rtc { + compatible = "ti,palmas-rtc"; + interrupt-parent = <&palmas>; + interrupts = <8 IRQ_TYPE_NONE>; + ti,backup-battery-chargeable; + ti,backup-battery-charge-high-current; + }; + palmas_pmic { compatible = "ti,palmas-pmic"; interrupt-parent = <&palmas>; diff --git a/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts b/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts index 3daec912b4bf..aae8a7aceab7 100644 --- a/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts +++ b/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts @@ -1,7 +1,8 @@ /* * Device Tree file for Buffalo Linkstation LS-WTGL * - * Copyright (C) 2015, Roger Shimizu <[email protected]> + * Copyright (C) 2015, 2016 + * Roger Shimizu <[email protected]> * * This file is dual-licensed: you can use it either under the terms * of the GPL or the X11 license, at your option. Note that this dual @@ -69,8 +70,6 @@ internal-regs { pinctrl: pinctrl@10000 { - pinctrl-0 = <&pmx_usb_power &pmx_power_hdd - &pmx_fan_low &pmx_fan_high &pmx_fan_lock>; pinctrl-names = "default"; pmx_led_power: pmx-leds { @@ -162,6 +161,7 @@ led@1 { label = "lswtgl:blue:power"; gpios = <&gpio0 0 GPIO_ACTIVE_LOW>; + default-state = "keep"; }; led@2 { @@ -188,7 +188,7 @@ 3250 1 5000 0>; - alarm-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; + alarm-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>; }; restart_poweroff { @@ -228,6 +228,37 @@ }; }; +&devbus_bootcs { + status = "okay"; + devbus,keep-config; + + flash@0 { + compatible = "jedec-flash"; + reg = <0 0x40000>; + bank-width = <1>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + header@0 { + reg = <0 0x30000>; + read-only; + }; + + uboot@30000 { + reg = <0x30000 0xF000>; + read-only; + }; + + uboot_env@3F000 { + reg = <0x3F000 0x1000>; + }; + }; + }; +}; + &mdio { status = "okay"; diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h index 1afe24629d1f..b0c912feaa2f 100644 --- a/arch/arm/boot/dts/sama5d2-pinfunc.h +++ b/arch/arm/boot/dts/sama5d2-pinfunc.h @@ -90,7 +90,7 @@ #define PIN_PA14__I2SC1_MCK PINMUX_PIN(PIN_PA14, 4, 2) #define PIN_PA14__FLEXCOM3_IO2 PINMUX_PIN(PIN_PA14, 5, 1) #define PIN_PA14__D9 PINMUX_PIN(PIN_PA14, 6, 2) -#define PIN_PA15 14 +#define PIN_PA15 15 #define PIN_PA15__GPIO PINMUX_PIN(PIN_PA15, 0, 0) #define PIN_PA15__SPI0_MOSI PINMUX_PIN(PIN_PA15, 1, 1) #define PIN_PA15__TF1 PINMUX_PIN(PIN_PA15, 2, 1) diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi index b8032bca4621..db1151c18466 100644 --- a/arch/arm/boot/dts/sama5d4.dtsi +++ b/arch/arm/boot/dts/sama5d4.dtsi @@ -1342,7 +1342,7 @@ dbgu: serial@fc069000 { compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xfc069000 0x200>; - interrupts = <2 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts = <45 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&dbgu_clk>; diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index d0c743853318..27a333eb8987 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -127,22 +127,14 @@ }; mmcsd_default_mode: mmcsd_default { mmcsd_default_cfg1 { - /* MCCLK */ - pins = "GPIO8_B10"; - ste,output = <0>; - }; - mmcsd_default_cfg2 { - /* MCCMDDIR, MCDAT0DIR, MCDAT31DIR, MCDATDIR2 */ - pins = "GPIO10_C11", "GPIO15_A12", - "GPIO16_C13", "GPIO23_D15"; - ste,output = <1>; - }; - mmcsd_default_cfg3 { - /* MCCMD, MCDAT3-0, MCMSFBCLK */ - pins = "GPIO9_A10", "GPIO11_B11", - "GPIO12_A11", "GPIO13_C12", - "GPIO14_B12", "GPIO24_C15"; - ste,input = <1>; + /* + * MCCLK, MCCMDDIR, MCDAT0DIR, MCDAT31DIR, MCDATDIR2 + * MCCMD, MCDAT3-0, MCMSFBCLK + */ + pins = "GPIO8_B10", "GPIO9_A10", "GPIO10_C11", "GPIO11_B11", + "GPIO12_A11", "GPIO13_C12", "GPIO14_B12", "GPIO15_A12", + "GPIO16_C13", "GPIO23_D15", "GPIO24_C15"; + ste,output = <2>; }; }; }; @@ -802,10 +794,21 @@ clock-names = "mclk", "apb_pclk"; interrupt-parent = <&vica>; interrupts = <22>; - max-frequency = <48000000>; + max-frequency = <400000>; bus-width = <4>; cap-mmc-highspeed; cap-sd-highspeed; + full-pwr-cycle; + /* + * The STw4811 circuit used with the Nomadik strictly + * requires that all of these signal direction pins be + * routed and used for its 4-bit levelshifter. + */ + st,sig-dir-dat0; + st,sig-dir-dat2; + st,sig-dir-dat31; + st,sig-dir-cmd; + st,sig-pin-fbclk; pinctrl-names = "default"; pinctrl-0 = <&mmcsd_default_mux>, <&mmcsd_default_mode>; vmmc-supply = <&vmmc_regulator>; diff --git a/arch/arm/boot/dts/tps65217.dtsi b/arch/arm/boot/dts/tps65217.dtsi new file mode 100644 index 000000000000..a63272422d76 --- /dev/null +++ b/arch/arm/boot/dts/tps65217.dtsi @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * Integrated Power Management Chip + * http://www.ti.com/lit/ds/symlink/tps65217.pdf + */ + +&tps { + compatible = "ti,tps65217"; + + regulators { + #address-cells = <1>; + #size-cells = <0>; + + dcdc1_reg: regulator@0 { + reg = <0>; + regulator-compatible = "dcdc1"; + }; + + dcdc2_reg: regulator@1 { + reg = <1>; + regulator-compatible = "dcdc2"; + }; + + dcdc3_reg: regulator@2 { + reg = <2>; + regulator-compatible = "dcdc3"; + }; + + ldo1_reg: regulator@3 { + reg = <3>; + regulator-compatible = "ldo1"; + }; + + ldo2_reg: regulator@4 { + reg = <4>; + regulator-compatible = "ldo2"; + }; + + ldo3_reg: regulator@5 { + reg = <5>; + regulator-compatible = "ldo3"; + }; + + ldo4_reg: regulator@6 { + reg = <6>; + regulator-compatible = "ldo4"; + }; + }; +}; diff --git a/arch/arm/common/icst.c b/arch/arm/common/icst.c index 2dc6da70ae59..d7ed252708c5 100644 --- a/arch/arm/common/icst.c +++ b/arch/arm/common/icst.c @@ -16,7 +16,7 @@ */ #include <linux/module.h> #include <linux/kernel.h> - +#include <asm/div64.h> #include <asm/hardware/icst.h> /* @@ -29,7 +29,11 @@ EXPORT_SYMBOL(icst525_s2div); unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco) { - return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * p->s2div[vco.s]); + u64 dividend = p->ref * 2 * (u64)(vco.v + 8); + u32 divisor = (vco.r + 2) * p->s2div[vco.s]; + + do_div(dividend, divisor); + return (unsigned long)dividend; } EXPORT_SYMBOL(icst_hz); @@ -58,6 +62,7 @@ icst_hz_to_vco(const struct icst_params *p, unsigned long freq) if (f > p->vco_min && f <= p->vco_max) break; + i++; } while (i < 8); if (i >= 8) diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 314f6be2dca2..8e8b2ace9b7c 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -426,6 +426,7 @@ CONFIG_SUNXI_WATCHDOG=y CONFIG_IMX2_WDT=y CONFIG_TEGRA_WATCHDOG=m CONFIG_MESON_WATCHDOG=y +CONFIG_DW_WATCHDOG=y CONFIG_DIGICOLOR_WATCHDOG=y CONFIG_MFD_AS3711=y CONFIG_MFD_AS3722=y diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index c5e1943e5427..d18d6b42fcf5 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -50,6 +50,7 @@ CONFIG_SOC_AM33XX=y CONFIG_SOC_AM43XX=y CONFIG_SOC_DRA7XX=y CONFIG_ARM_THUMBEE=y +CONFIG_ARM_KERNMEM_PERMS=y CONFIG_ARM_ERRATA_411920=y CONFIG_ARM_ERRATA_430973=y CONFIG_SMP=y @@ -177,6 +178,7 @@ CONFIG_TI_CPTS=y CONFIG_AT803X_PHY=y CONFIG_SMSC_PHY=y CONFIG_USB_USBNET=m +CONFIG_USB_NET_SMSC75XX=m CONFIG_USB_NET_SMSC95XX=m CONFIG_USB_ALI_M5632=y CONFIG_USB_AN2720=y @@ -290,24 +292,23 @@ CONFIG_FB=y CONFIG_FIRMWARE_EDID=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y -CONFIG_OMAP2_DSS=m -CONFIG_OMAP5_DSS_HDMI=y -CONFIG_OMAP2_DSS_SDI=y -CONFIG_OMAP2_DSS_DSI=y +CONFIG_FB_OMAP5_DSS_HDMI=y +CONFIG_FB_OMAP2_DSS_SDI=y +CONFIG_FB_OMAP2_DSS_DSI=y CONFIG_FB_OMAP2=m -CONFIG_DISPLAY_ENCODER_TFP410=m -CONFIG_DISPLAY_ENCODER_TPD12S015=m -CONFIG_DISPLAY_CONNECTOR_DVI=m -CONFIG_DISPLAY_CONNECTOR_HDMI=m -CONFIG_DISPLAY_CONNECTOR_ANALOG_TV=m -CONFIG_DISPLAY_PANEL_DPI=m -CONFIG_DISPLAY_PANEL_DSI_CM=m -CONFIG_DISPLAY_PANEL_SONY_ACX565AKM=m -CONFIG_DISPLAY_PANEL_LGPHILIPS_LB035Q02=m -CONFIG_DISPLAY_PANEL_SHARP_LS037V7DW01=m -CONFIG_DISPLAY_PANEL_TPO_TD028TTEC1=m -CONFIG_DISPLAY_PANEL_TPO_TD043MTEA1=m -CONFIG_DISPLAY_PANEL_NEC_NL8048HL11=m +CONFIG_FB_OMAP2_ENCODER_TFP410=m +CONFIG_FB_OMAP2_ENCODER_TPD12S015=m +CONFIG_FB_OMAP2_CONNECTOR_DVI=m +CONFIG_FB_OMAP2_CONNECTOR_HDMI=m +CONFIG_FB_OMAP2_CONNECTOR_ANALOG_TV=m +CONFIG_FB_OMAP2_PANEL_DPI=m +CONFIG_FB_OMAP2_PANEL_DSI_CM=m +CONFIG_FB_OMAP2_PANEL_SONY_ACX565AKM=m +CONFIG_FB_OMAP2_PANEL_LGPHILIPS_LB035Q02=m +CONFIG_FB_OMAP2_PANEL_SHARP_LS037V7DW01=m +CONFIG_FB_OMAP2_PANEL_TPO_TD028TTEC1=m +CONFIG_FB_OMAP2_PANEL_TPO_TD043MTEA1=m +CONFIG_FB_OMAP2_PANEL_NEC_NL8048HL11=m CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_LCD_PLATFORM=y @@ -354,6 +355,11 @@ CONFIG_USB_MUSB_DSPS=m CONFIG_USB_INVENTRA_DMA=y CONFIG_USB_TI_CPPI41_DMA=y CONFIG_USB_DWC3=m +CONFIG_USB_SERIAL=m +CONFIG_USB_SERIAL_GENERIC=y +CONFIG_USB_SERIAL_SIMPLE=m +CONFIG_USB_SERIAL_FTDI_SIO=m +CONFIG_USB_SERIAL_PL2303=m CONFIG_USB_TEST=m CONFIG_AM335X_PHY_USB=y CONFIG_USB_GADGET=m @@ -387,6 +393,7 @@ CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=m CONFIG_LEDS_GPIO=m CONFIG_LEDS_PWM=m +CONFIG_LEDS_PCA963X=m CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=m CONFIG_LEDS_TRIGGER_ONESHOT=m @@ -449,6 +456,8 @@ CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_PRINTK_TIME=y CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_INFO_SPLIT=y +CONFIG_DEBUG_INFO_DWARF4=y CONFIG_MAGIC_SYSRQ=y CONFIG_SCHEDSTATS=y CONFIG_TIMER_STATS=y diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c index b445a5d56f43..89a3a3e592d6 100644 --- a/arch/arm/crypto/aes-ce-glue.c +++ b/arch/arm/crypto/aes-ce-glue.c @@ -364,7 +364,7 @@ static struct crypto_alg aes_algs[] = { { .cra_blkcipher = { .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, + .ivsize = 0, .setkey = ce_aes_setkey, .encrypt = ecb_encrypt, .decrypt = ecb_decrypt, @@ -441,7 +441,7 @@ static struct crypto_alg aes_algs[] = { { .cra_ablkcipher = { .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, + .ivsize = 0, .setkey = ablk_set_key, .encrypt = ablk_encrypt, .decrypt = ablk_decrypt, diff --git a/arch/arm/include/asm/arch_gicv3.h b/arch/arm/include/asm/arch_gicv3.h index 7da5503c0591..e08d15184056 100644 --- a/arch/arm/include/asm/arch_gicv3.h +++ b/arch/arm/include/asm/arch_gicv3.h @@ -117,6 +117,7 @@ static inline u32 gic_read_iar(void) u32 irqstat; asm volatile("mrc " __stringify(ICC_IAR1) : "=r" (irqstat)); + dsb(sy); return irqstat; } diff --git a/arch/arm/include/asm/xen/page-coherent.h b/arch/arm/include/asm/xen/page-coherent.h index 0375c8caa061..9408a994cc91 100644 --- a/arch/arm/include/asm/xen/page-coherent.h +++ b/arch/arm/include/asm/xen/page-coherent.h @@ -35,14 +35,21 @@ static inline void xen_dma_map_page(struct device *hwdev, struct page *page, dma_addr_t dev_addr, unsigned long offset, size_t size, enum dma_data_direction dir, struct dma_attrs *attrs) { - bool local = XEN_PFN_DOWN(dev_addr) == page_to_xen_pfn(page); + unsigned long page_pfn = page_to_xen_pfn(page); + unsigned long dev_pfn = XEN_PFN_DOWN(dev_addr); + unsigned long compound_pages = + (1<<compound_order(page)) * XEN_PFN_PER_PAGE; + bool local = (page_pfn <= dev_pfn) && + (dev_pfn - page_pfn < compound_pages); + /* - * Dom0 is mapped 1:1, while the Linux page can be spanned accross - * multiple Xen page, it's not possible to have a mix of local and - * foreign Xen page. So if the first xen_pfn == mfn the page is local - * otherwise it's a foreign page grant-mapped in dom0. If the page is - * local we can safely call the native dma_ops function, otherwise we - * call the xen specific function. + * Dom0 is mapped 1:1, while the Linux page can span across + * multiple Xen pages, it's not possible for it to contain a + * mix of local and foreign Xen pages. So if the first xen_pfn + * == mfn the page is local otherwise it's a foreign page + * grant-mapped in dom0. If the page is local we can safely + * call the native dma_ops function, otherwise we call the xen + * specific function. */ if (local) __generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs); diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c index 5fa69d7bae58..99361f11354a 100644 --- a/arch/arm/kvm/guest.c +++ b/arch/arm/kvm/guest.c @@ -161,7 +161,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) u64 val; val = kvm_arm_timer_get_reg(vcpu, reg->id); - return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)); + return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0; } static unsigned long num_core_regs(void) diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c index 7f33b2056ae6..0f6600f05137 100644 --- a/arch/arm/kvm/mmio.c +++ b/arch/arm/kvm/mmio.c @@ -206,7 +206,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run, run->mmio.is_write = is_write; run->mmio.phys_addr = fault_ipa; run->mmio.len = len; - memcpy(run->mmio.data, data_buf, len); + if (is_write) + memcpy(run->mmio.data, data_buf, len); if (!ret) { /* We handled the access successfully in the kernel. */ diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 809827265fb3..bab814d2f37d 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -18,6 +18,7 @@ #include <asm/setup.h> #include <asm/mach/arch.h> +#include <asm/system_info.h> #include "common.h" @@ -77,12 +78,31 @@ static const char *const n900_boards_compat[] __initconst = { NULL, }; +/* Set system_rev from atags */ +static void __init rx51_set_system_rev(const struct tag *tags) +{ + const struct tag *tag; + + if (tags->hdr.tag != ATAG_CORE) + return; + + for_each_tag(tag, tags) { + if (tag->hdr.tag == ATAG_REVISION) { + system_rev = tag->u.revision.rev; + break; + } + } +} + /* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags, * save them while the data is still not overwritten */ static void __init rx51_reserve(void) { - save_atags((const struct tag *)(PAGE_OFFSET + 0x100)); + const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100); + + save_atags(tags); + rx51_set_system_rev(tags); omap_reserve(); } diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 9cda974a3009..d7f1d69daf6d 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -18,7 +18,6 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/pinctrl/machine.h> -#include <linux/platform_data/mailbox-omap.h> #include <asm/mach-types.h> #include <asm/mach/map.h> @@ -66,32 +65,6 @@ static int __init omap3_l3_init(void) } omap_postcore_initcall(omap3_l3_init); -#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE) -static inline void __init omap_init_mbox(void) -{ - struct omap_hwmod *oh; - struct platform_device *pdev; - struct omap_mbox_pdata *pdata; - - oh = omap_hwmod_lookup("mailbox"); - if (!oh) { - pr_err("%s: unable to find hwmod\n", __func__); - return; - } - if (!oh->dev_attr) { - pr_err("%s: hwmod doesn't have valid attrs\n", __func__); - return; - } - - pdata = (struct omap_mbox_pdata *)oh->dev_attr; - pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata)); - WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", - __func__, PTR_ERR(pdev)); -} -#else -static inline void omap_init_mbox(void) { } -#endif /* CONFIG_OMAP2PLUS_MBOX */ - static inline void omap_init_sti(void) {} #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) @@ -229,7 +202,6 @@ static int __init omap2_init_devices(void) * please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ - omap_init_mbox(); omap_init_mcspi(); omap_init_sham(); omap_init_aes(); diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 7b76ce01c21d..8633c703546a 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -101,10 +101,8 @@ static void omap2_onenand_set_async_mode(void __iomem *onenand_base) static void set_onenand_cfg(void __iomem *onenand_base) { - u32 reg; + u32 reg = ONENAND_SYS_CFG1_RDY | ONENAND_SYS_CFG1_INT; - reg = readw(onenand_base + ONENAND_REG_SYS_CFG1); - reg &= ~((0x7 << ONENAND_SYS_CFG1_BRL_SHIFT) | (0x7 << 9)); reg |= (latency << ONENAND_SYS_CFG1_BRL_SHIFT) | ONENAND_SYS_CFG1_BL_16; if (onenand_flags & ONENAND_FLAG_SYNCREAD) @@ -123,6 +121,7 @@ static void set_onenand_cfg(void __iomem *onenand_base) reg |= ONENAND_SYS_CFG1_VHF; else reg &= ~ONENAND_SYS_CFG1_VHF; + writew(reg, onenand_base + ONENAND_REG_SYS_CFG1); } @@ -289,6 +288,7 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base) } } + onenand_async.sync_write = true; omap2_onenand_calc_async_timings(&t); ret = gpmc_cs_program_settings(gpmc_onenand_data->cs, &onenand_async); diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index 0437537751bc..f7ff3b9dad87 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -191,12 +191,22 @@ static int _omap_device_notifier_call(struct notifier_block *nb, { struct platform_device *pdev = to_platform_device(dev); struct omap_device *od; + int err; switch (event) { case BUS_NOTIFY_DEL_DEVICE: if (pdev->archdata.od) omap_device_delete(pdev->archdata.od); break; + case BUS_NOTIFY_UNBOUND_DRIVER: + od = to_omap_device(pdev); + if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED)) { + dev_info(dev, "enabled after unload, idling\n"); + err = omap_device_idle(pdev); + if (err) + dev_err(dev, "failed to idle\n"); + } + break; case BUS_NOTIFY_ADD_DEVICE: if (pdev->dev.of_node) omap_device_build_from_dt(pdev); @@ -602,8 +612,10 @@ static int _od_runtime_resume(struct device *dev) int ret; ret = omap_device_enable(pdev); - if (ret) + if (ret) { + dev_err(dev, "use pm_runtime_put_sync_suspend() in driver?\n"); return ret; + } return pm_generic_runtime_resume(dev); } diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index e781e4fae13a..a935d28443da 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -23,6 +23,8 @@ #include <linux/platform_data/pinctrl-single.h> #include <linux/platform_data/iommu-omap.h> #include <linux/platform_data/wkup_m3.h> +#include <linux/platform_data/pwm_omap_dmtimer.h> +#include <plat/dmtimer.h> #include "common.h" #include "common-board-devices.h" @@ -449,6 +451,24 @@ void omap_auxdata_legacy_init(struct device *dev) dev->platform_data = &twl_gpio_auxdata; } +/* Dual mode timer PWM callbacks platdata */ +#if IS_ENABLED(CONFIG_OMAP_DM_TIMER) +struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = { + .request_by_node = omap_dm_timer_request_by_node, + .free = omap_dm_timer_free, + .enable = omap_dm_timer_enable, + .disable = omap_dm_timer_disable, + .get_fclk = omap_dm_timer_get_fclk, + .start = omap_dm_timer_start, + .stop = omap_dm_timer_stop, + .set_load = omap_dm_timer_set_load, + .set_match = omap_dm_timer_set_match, + .set_pwm = omap_dm_timer_set_pwm, + .set_prescaler = omap_dm_timer_set_prescaler, + .write_counter = omap_dm_timer_write_counter, +}; +#endif + /* * Few boards still need auxdata populated before we populate * the dev entries in of_platform_populate(). @@ -502,6 +522,9 @@ static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3", &wkup_m3_data), #endif +#if IS_ENABLED(CONFIG_OMAP_DM_TIMER) + OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata), +#endif #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu", &omap4_iommu_pdata), diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index eafd120b53f1..1b9f0520dea9 100644 --- a/arch/arm/mach-omap2/sleep34xx.S +++ b/arch/arm/mach-omap2/sleep34xx.S @@ -86,13 +86,18 @@ ENTRY(enable_omap3630_toggle_l2_on_restore) stmfd sp!, {lr} @ save registers on stack /* Setup so that we will disable and enable l2 */ mov r1, #0x1 - adrl r2, l2dis_3630 @ may be too distant for plain adr - str r1, [r2] + adrl r3, l2dis_3630_offset @ may be too distant for plain adr + ldr r2, [r3] @ value for offset + str r1, [r2, r3] @ write to l2dis_3630 ldmfd sp!, {pc} @ restore regs and return ENDPROC(enable_omap3630_toggle_l2_on_restore) - .text -/* Function to call rom code to save secure ram context */ +/* + * Function to call rom code to save secure ram context. This gets + * relocated to SRAM, so it can be all in .data section. Otherwise + * we need to initialize api_params separately. + */ + .data .align 3 ENTRY(save_secure_ram_context) stmfd sp!, {r4 - r11, lr} @ save registers on stack @@ -126,6 +131,8 @@ ENDPROC(save_secure_ram_context) ENTRY(save_secure_ram_context_sz) .word . - save_secure_ram_context + .text + /* * ====================== * == Idle entry point == @@ -289,12 +296,6 @@ wait_sdrc_ready: bic r5, r5, #0x40 str r5, [r4] -/* - * PC-relative stores lead to undefined behaviour in Thumb-2: use a r7 as a - * base instead. - * Be careful not to clobber r7 when maintaing this code. - */ - is_dll_in_lock_mode: /* Is dll in lock mode? */ ldr r4, sdrc_dlla_ctrl @@ -302,11 +303,7 @@ is_dll_in_lock_mode: tst r5, #0x4 bne exit_nonoff_modes @ Return if locked /* wait till dll locks */ - adr r7, kick_counter wait_dll_lock_timed: - ldr r4, wait_dll_lock_counter - add r4, r4, #1 - str r4, [r7, #wait_dll_lock_counter - kick_counter] ldr r4, sdrc_dlla_status /* Wait 20uS for lock */ mov r6, #8 @@ -330,9 +327,6 @@ kick_dll: orr r6, r6, #(1<<3) @ enable dll str r6, [r4] dsb - ldr r4, kick_counter - add r4, r4, #1 - str r4, [r7] @ kick_counter b wait_dll_lock_timed exit_nonoff_modes: @@ -360,15 +354,6 @@ sdrc_dlla_status: .word SDRC_DLLA_STATUS_V sdrc_dlla_ctrl: .word SDRC_DLLA_CTRL_V - /* - * When exporting to userspace while the counters are in SRAM, - * these 2 words need to be at the end to facilitate retrival! - */ -kick_counter: - .word 0 -wait_dll_lock_counter: - .word 0 - ENTRY(omap3_do_wfi_sz) .word . - omap3_do_wfi @@ -437,7 +422,9 @@ ENTRY(omap3_restore) cmp r2, #0x0 @ Check if target power state was OFF or RET bne logic_l1_restore - ldr r0, l2dis_3630 + adr r1, l2dis_3630_offset @ address for offset + ldr r0, [r1] @ value for offset + ldr r0, [r1, r0] @ value at l2dis_3630 cmp r0, #0x1 @ should we disable L2 on 3630? bne skipl2dis mrc p15, 0, r0, c1, c0, 1 @@ -449,12 +436,14 @@ skipl2dis: and r1, #0x700 cmp r1, #0x300 beq l2_inv_gp + adr r0, l2_inv_api_params_offset + ldr r3, [r0] + add r3, r3, r0 @ r3 points to dummy parameters mov r0, #40 @ set service ID for PPA mov r12, r0 @ copy secure Service ID in r12 mov r1, #0 @ set task id for ROM code in r1 mov r2, #4 @ set some flags in r2, r6 mov r6, #0xff - adr r3, l2_inv_api_params @ r3 points to dummy parameters dsb @ data write barrier dmb @ data memory barrier smc #1 @ call SMI monitor (smi #1) @@ -488,8 +477,8 @@ skipl2dis: b logic_l1_restore .align -l2_inv_api_params: - .word 0x1, 0x00 +l2_inv_api_params_offset: + .long l2_inv_api_params - . l2_inv_gp: /* Execute smi to invalidate L2 cache */ mov r12, #0x1 @ set up to invalidate L2 @@ -506,7 +495,9 @@ l2_inv_gp: mov r12, #0x2 smc #0 @ Call SMI monitor (smieq) logic_l1_restore: - ldr r1, l2dis_3630 + adr r0, l2dis_3630_offset @ adress for offset + ldr r1, [r0] @ value for offset + ldr r1, [r0, r1] @ value at l2dis_3630 cmp r1, #0x1 @ Test if L2 re-enable needed on 3630 bne skipl2reen mrc p15, 0, r1, c1, c0, 1 @@ -535,9 +526,17 @@ control_stat: .word CONTROL_STAT control_mem_rta: .word CONTROL_MEM_RTA_CTRL +l2dis_3630_offset: + .long l2dis_3630 - . + + .data l2dis_3630: .word 0 + .data +l2_inv_api_params: + .word 0x1, 0x00 + /* * Internal functions */ diff --git a/arch/arm/mach-omap2/sleep44xx.S b/arch/arm/mach-omap2/sleep44xx.S index 9b09d85d811a..c7a3b4aab4b5 100644 --- a/arch/arm/mach-omap2/sleep44xx.S +++ b/arch/arm/mach-omap2/sleep44xx.S @@ -29,12 +29,6 @@ dsb .endm -ppa_zero_params: - .word 0x0 - -ppa_por_params: - .word 1, 0 - #ifdef CONFIG_ARCH_OMAP4 /* @@ -266,7 +260,9 @@ ENTRY(omap4_cpu_resume) beq skip_ns_smp_enable ppa_actrl_retry: mov r0, #OMAP4_PPA_CPU_ACTRL_SMP_INDEX - adr r3, ppa_zero_params @ Pointer to parameters + adr r1, ppa_zero_params_offset + ldr r3, [r1] + add r3, r3, r1 @ Pointer to ppa_zero_params mov r1, #0x0 @ Process ID mov r2, #0x4 @ Flag mov r6, #0xff @@ -303,7 +299,9 @@ skip_ns_smp_enable: ldr r0, =OMAP4_PPA_L2_POR_INDEX ldr r1, =OMAP44XX_SAR_RAM_BASE ldr r4, [r1, #L2X0_PREFETCH_CTRL_OFFSET] - adr r3, ppa_por_params + adr r1, ppa_por_params_offset + ldr r3, [r1] + add r3, r3, r1 @ Pointer to ppa_por_params str r4, [r3, #0x04] mov r1, #0x0 @ Process ID mov r2, #0x4 @ Flag @@ -328,6 +326,8 @@ skip_l2en: #endif b cpu_resume @ Jump to generic resume +ppa_por_params_offset: + .long ppa_por_params - . ENDPROC(omap4_cpu_resume) #endif /* CONFIG_ARCH_OMAP4 */ @@ -380,4 +380,13 @@ ENTRY(omap_do_wfi) nop ldmfd sp!, {pc} +ppa_zero_params_offset: + .long ppa_zero_params - . ENDPROC(omap_do_wfi) + + .data +ppa_zero_params: + .word 0 + +ppa_por_params: + .word 1, 0 diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig index def40a0dd60c..70ab4a25a5f8 100644 --- a/arch/arm/mach-realview/Kconfig +++ b/arch/arm/mach-realview/Kconfig @@ -1,5 +1,6 @@ menuconfig ARCH_REALVIEW - bool "ARM Ltd. RealView family" if ARCH_MULTI_V5 || ARCH_MULTI_V6 || ARCH_MULTI_V7 + bool "ARM Ltd. RealView family" + depends on ARCH_MULTI_V5 || ARCH_MULTI_V6 || ARCH_MULTI_V7 select ARM_AMBA select ARM_TIMER_SP804 select COMMON_CLK_VERSATILE diff --git a/arch/arm/mach-realview/platsmp-dt.c b/arch/arm/mach-realview/platsmp-dt.c index 65585392655b..6964e8876061 100644 --- a/arch/arm/mach-realview/platsmp-dt.c +++ b/arch/arm/mach-realview/platsmp-dt.c @@ -80,7 +80,7 @@ static void __init realview_smp_prepare_cpus(unsigned int max_cpus) virt_to_phys(versatile_secondary_startup)); } -struct smp_operations realview_dt_smp_ops __initdata = { +static const struct smp_operations realview_dt_smp_ops __initconst = { .smp_prepare_cpus = realview_smp_prepare_cpus, .smp_secondary_init = versatile_secondary_init, .smp_boot_secondary = versatile_boot_secondary, diff --git a/arch/arm/mach-shmobile/common.h b/arch/arm/mach-shmobile/common.h index 9cb11215ceba..b3a4ed5289ec 100644 --- a/arch/arm/mach-shmobile/common.h +++ b/arch/arm/mach-shmobile/common.h @@ -4,7 +4,6 @@ extern void shmobile_init_delay(void); extern void shmobile_boot_vector(void); extern unsigned long shmobile_boot_fn; -extern unsigned long shmobile_boot_arg; extern unsigned long shmobile_boot_size; extern void shmobile_smp_boot(void); extern void shmobile_smp_sleep(void); diff --git a/arch/arm/mach-shmobile/headsmp-scu.S b/arch/arm/mach-shmobile/headsmp-scu.S index fa5248c52399..5e503d91ad70 100644 --- a/arch/arm/mach-shmobile/headsmp-scu.S +++ b/arch/arm/mach-shmobile/headsmp-scu.S @@ -38,9 +38,3 @@ ENTRY(shmobile_boot_scu) b secondary_startup ENDPROC(shmobile_boot_scu) - - .text - .align 2 - .globl shmobile_scu_base -shmobile_scu_base: - .space 4 diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index 330c1fc63197..32e0bf6e3ccb 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -24,7 +24,6 @@ .arm .align 12 ENTRY(shmobile_boot_vector) - ldr r0, 2f ldr r1, 1f bx r1 @@ -34,9 +33,6 @@ ENDPROC(shmobile_boot_vector) .globl shmobile_boot_fn shmobile_boot_fn: 1: .space 4 - .globl shmobile_boot_arg -shmobile_boot_arg: -2: .space 4 .globl shmobile_boot_size shmobile_boot_size: .long . - shmobile_boot_vector @@ -46,13 +42,15 @@ shmobile_boot_size: */ ENTRY(shmobile_smp_boot) - @ r0 = MPIDR_HWID_BITMASK mrc p15, 0, r1, c0, c0, 5 @ r1 = MPIDR - and r0, r1, r0 @ r0 = cpu_logical_map() value + and r0, r1, #0xffffff @ MPIDR_HWID_BITMASK + @ r0 = cpu_logical_map() value mov r1, #0 @ r1 = CPU index - adr r5, 1f @ array of per-cpu mpidr values - adr r6, 2f @ array of per-cpu functions - adr r7, 3f @ array of per-cpu arguments + adr r2, 1f + ldmia r2, {r5, r6, r7} + add r5, r5, r2 @ array of per-cpu mpidr values + add r6, r6, r2 @ array of per-cpu functions + add r7, r7, r2 @ array of per-cpu arguments shmobile_smp_boot_find_mpidr: ldr r8, [r5, r1, lsl #2] @@ -80,12 +78,18 @@ ENTRY(shmobile_smp_sleep) b shmobile_smp_boot ENDPROC(shmobile_smp_sleep) + .align 2 +1: .long shmobile_smp_mpidr - . + .long shmobile_smp_fn - 1b + .long shmobile_smp_arg - 1b + + .bss .globl shmobile_smp_mpidr shmobile_smp_mpidr: -1: .space NR_CPUS * 4 + .space NR_CPUS * 4 .globl shmobile_smp_fn shmobile_smp_fn: -2: .space NR_CPUS * 4 + .space NR_CPUS * 4 .globl shmobile_smp_arg shmobile_smp_arg: -3: .space NR_CPUS * 4 + .space NR_CPUS * 4 diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c index 911884f7e28b..aba75c89f9c1 100644 --- a/arch/arm/mach-shmobile/platsmp-apmu.c +++ b/arch/arm/mach-shmobile/platsmp-apmu.c @@ -123,7 +123,6 @@ void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus, { /* install boot code shared by all CPUs */ shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); - shmobile_boot_arg = MPIDR_HWID_BITMASK; /* perform per-cpu setup */ apmu_parse_cfg(apmu_init_cpu, apmu_config, num); diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c index 64663110ab6c..081a097c9219 100644 --- a/arch/arm/mach-shmobile/platsmp-scu.c +++ b/arch/arm/mach-shmobile/platsmp-scu.c @@ -17,6 +17,9 @@ #include <asm/smp_scu.h> #include "common.h" + +void __iomem *shmobile_scu_base; + static int shmobile_smp_scu_notifier_call(struct notifier_block *nfb, unsigned long action, void *hcpu) { @@ -41,7 +44,6 @@ void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus) { /* install boot code shared by all CPUs */ shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); - shmobile_boot_arg = MPIDR_HWID_BITMASK; /* enable SCU and cache coherency on booting CPU */ scu_enable(shmobile_scu_base); diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index b854fe2095ad..0b024a9dbd43 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -92,8 +92,6 @@ static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus) { /* Map the reset vector (in headsmp-scu.S, headsmp.S) */ __raw_writel(__pa(shmobile_boot_vector), AVECR); - shmobile_boot_fn = virt_to_phys(shmobile_boot_scu); - shmobile_boot_arg = (unsigned long)shmobile_scu_base; /* setup r8a7779 specific SCU bits */ shmobile_scu_base = IOMEM(R8A7779_SCU_BASE); diff --git a/arch/arm/mach-tango/Kconfig b/arch/arm/mach-tango/Kconfig index d6a3714b096e..ebe15b93bbe8 100644 --- a/arch/arm/mach-tango/Kconfig +++ b/arch/arm/mach-tango/Kconfig @@ -1,5 +1,6 @@ config ARCH_TANGO - bool "Sigma Designs Tango4 (SMP87xx)" if ARCH_MULTI_V7 + bool "Sigma Designs Tango4 (SMP87xx)" + depends on ARCH_MULTI_V7 # Cortex-A9 MPCore r3p0, PL310 r3p2 select ARCH_HAS_HOLES_MEMORYMODEL select ARM_ERRATA_754322 diff --git a/arch/arm/mach-tango/platsmp.c b/arch/arm/mach-tango/platsmp.c index a18d5a34e2f5..a21f55e000d2 100644 --- a/arch/arm/mach-tango/platsmp.c +++ b/arch/arm/mach-tango/platsmp.c @@ -9,7 +9,7 @@ static int tango_boot_secondary(unsigned int cpu, struct task_struct *idle) return 0; } -static struct smp_operations tango_smp_ops __initdata = { +static const struct smp_operations tango_smp_ops __initconst = { .smp_boot_secondary = tango_boot_secondary, }; diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index 4b4058db0781..66353caa35b9 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -173,7 +173,7 @@ unsigned long arch_mmap_rnd(void) { unsigned long rnd; - rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1); + rnd = get_random_long() & ((1UL << mmap_rnd_bits) - 1); return rnd << PAGE_SHIFT; } diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 307237cfe728..b5e3f6d42b88 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -88,7 +88,7 @@ Image: vmlinux Image.%: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ -zinstall install: vmlinux +zinstall install: $(Q)$(MAKE) $(build)=$(boot) $@ %.dtb: scripts diff --git a/arch/arm64/boot/Makefile b/arch/arm64/boot/Makefile index abcbba2f01ba..305c552b5ec1 100644 --- a/arch/arm64/boot/Makefile +++ b/arch/arm64/boot/Makefile @@ -34,10 +34,10 @@ $(obj)/Image.lzma: $(obj)/Image FORCE $(obj)/Image.lzo: $(obj)/Image FORCE $(call if_changed,lzo) -install: $(obj)/Image +install: $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ $(obj)/Image System.map "$(INSTALL_PATH)" -zinstall: $(obj)/Image.gz +zinstall: $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ $(obj)/Image.gz System.map "$(INSTALL_PATH)" diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi index dd5158eb5872..e5b59ca9debb 100644 --- a/arch/arm64/boot/dts/arm/juno-base.dtsi +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi @@ -115,6 +115,7 @@ <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi b/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi index da7b6e613257..933cba359918 100644 --- a/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hip05_hns.dtsi @@ -23,9 +23,8 @@ soc0: soc@000000000 { }; }; - dsa: dsa@c7000000 { + dsaf0: dsa@c7000000 { compatible = "hisilicon,hns-dsaf-v1"; - dsa_name = "dsaf0"; mode = "6port-16rss"; interrupt-parent = <&mbigen_dsa>; @@ -127,7 +126,7 @@ soc0: soc@000000000 { eth0: ethernet@0{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <0>; local-mac-address = [00 00 00 01 00 58]; status = "disabled"; @@ -135,14 +134,14 @@ soc0: soc@000000000 { }; eth1: ethernet@1{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <1>; status = "disabled"; dma-coherent; }; eth2: ethernet@2{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <2>; local-mac-address = [00 00 00 01 00 5a]; status = "disabled"; @@ -150,7 +149,7 @@ soc0: soc@000000000 { }; eth3: ethernet@3{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <3>; local-mac-address = [00 00 00 01 00 5b]; status = "disabled"; @@ -158,7 +157,7 @@ soc0: soc@000000000 { }; eth4: ethernet@4{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <4>; local-mac-address = [00 00 00 01 00 5c]; status = "disabled"; @@ -166,7 +165,7 @@ soc0: soc@000000000 { }; eth5: ethernet@5{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <5>; local-mac-address = [00 00 00 01 00 5d]; status = "disabled"; @@ -174,7 +173,7 @@ soc0: soc@000000000 { }; eth6: ethernet@6{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <6>; local-mac-address = [00 00 00 01 00 5e]; status = "disabled"; @@ -182,7 +181,7 @@ soc0: soc@000000000 { }; eth7: ethernet@7{ compatible = "hisilicon,hns-nic-v1"; - ae-name = "dsaf0"; + ae-handle = <&dsaf0>; port-id = <7>; local-mac-address = [00 00 00 01 00 5f]; status = "disabled"; diff --git a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts index 7dfe1c085966..62f33fc84e3e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts +++ b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts @@ -12,6 +12,8 @@ rtc1 = "/rtc@0,7000e000"; }; + chosen { }; + memory { device_type = "memory"; reg = <0x0 0x80000000 0x0 0x80000000>; diff --git a/arch/arm64/boot/install.sh b/arch/arm64/boot/install.sh index 12ed78aa6f0c..d91e1f022573 100644 --- a/arch/arm64/boot/install.sh +++ b/arch/arm64/boot/install.sh @@ -20,6 +20,20 @@ # $4 - default install path (blank if root directory) # +verify () { + if [ ! -f "$1" ]; then + echo "" 1>&2 + echo " *** Missing file: $1" 1>&2 + echo ' *** You need to run "make" before "make install".' 1>&2 + echo "" 1>&2 + exit 1 + fi +} + +# Make sure the files actually exist +verify "$2" +verify "$3" + # User may have a custom install script if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c index 05d9e16c0dfd..7a3d22a46faf 100644 --- a/arch/arm64/crypto/aes-glue.c +++ b/arch/arm64/crypto/aes-glue.c @@ -294,7 +294,7 @@ static struct crypto_alg aes_algs[] = { { .cra_blkcipher = { .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, + .ivsize = 0, .setkey = aes_setkey, .encrypt = ecb_encrypt, .decrypt = ecb_decrypt, @@ -371,7 +371,7 @@ static struct crypto_alg aes_algs[] = { { .cra_ablkcipher = { .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, + .ivsize = 0, .setkey = ablk_set_key, .encrypt = ablk_encrypt, .decrypt = ablk_decrypt, diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h index 2731d3b25ed2..8ec88e5b290f 100644 --- a/arch/arm64/include/asm/arch_gicv3.h +++ b/arch/arm64/include/asm/arch_gicv3.h @@ -103,6 +103,7 @@ static inline u64 gic_read_iar_common(void) u64 irqstat; asm volatile("mrs_s %0, " __stringify(ICC_IAR1_EL1) : "=r" (irqstat)); + dsb(sy); return irqstat; } diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h index 007a69fc4f40..5f3ab8c1db55 100644 --- a/arch/arm64/include/asm/futex.h +++ b/arch/arm64/include/asm/futex.h @@ -121,6 +121,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return -EFAULT; asm volatile("// futex_atomic_cmpxchg_inatomic\n" +ALTERNATIVE("nop", SET_PSTATE_PAN(0), ARM64_HAS_PAN, CONFIG_ARM64_PAN) " prfm pstl1strm, %2\n" "1: ldxr %w1, %2\n" " sub %w3, %w1, %w4\n" @@ -137,6 +138,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, " .align 3\n" " .quad 1b, 4b, 2b, 4b\n" " .popsection\n" +ALTERNATIVE("nop", SET_PSTATE_PAN(1), ARM64_HAS_PAN, CONFIG_ARM64_PAN) : "+r" (ret), "=&r" (val), "+Q" (*uaddr), "=&r" (tmp) : "r" (oldval), "r" (newval), "Ir" (-EFAULT) : "memory"); diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index 738a95f93e49..d201d4b396d1 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -107,8 +107,6 @@ #define TCR_EL2_MASK (TCR_EL2_TG0 | TCR_EL2_SH0 | \ TCR_EL2_ORGN0 | TCR_EL2_IRGN0 | TCR_EL2_T0SZ) -#define TCR_EL2_FLAGS (TCR_EL2_RES1 | TCR_EL2_PS_40B) - /* VTCR_EL2 Registers bits */ #define VTCR_EL2_RES1 (1 << 31) #define VTCR_EL2_PS_MASK (7 << 16) @@ -182,6 +180,7 @@ #define CPTR_EL2_TCPAC (1 << 31) #define CPTR_EL2_TTA (1 << 20) #define CPTR_EL2_TFP (1 << CPTR_EL2_TFP_SHIFT) +#define CPTR_EL2_DEFAULT 0x000033ff /* Hyp Debug Configuration Register bits */ #define MDCR_EL2_TDRA (1 << 11) diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index 3066328cd86b..779a5872a2c5 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -127,10 +127,14 @@ static inline unsigned long *vcpu_spsr(const struct kvm_vcpu *vcpu) static inline bool vcpu_mode_priv(const struct kvm_vcpu *vcpu) { - u32 mode = *vcpu_cpsr(vcpu) & PSR_MODE_MASK; + u32 mode; - if (vcpu_mode_is_32bit(vcpu)) + if (vcpu_mode_is_32bit(vcpu)) { + mode = *vcpu_cpsr(vcpu) & COMPAT_PSR_MODE_MASK; return mode > COMPAT_PSR_MODE_USR; + } + + mode = *vcpu_cpsr(vcpu) & PSR_MODE_MASK; return mode != PSR_MODE_EL0t; } diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h index 9b2f5a9d019d..ae615b9d9a55 100644 --- a/arch/arm64/include/asm/page.h +++ b/arch/arm64/include/asm/page.h @@ -39,6 +39,7 @@ #ifndef __ASSEMBLY__ +#include <linux/personality.h> /* for READ_IMPLIES_EXEC */ #include <asm/pgtable-types.h> extern void __cpu_clear_user_page(void *p, unsigned long user); diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index bf464de33f52..f50608674580 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -34,13 +34,13 @@ /* * VMALLOC and SPARSEMEM_VMEMMAP ranges. * - * VMEMAP_SIZE: allows the whole VA space to be covered by a struct page array + * VMEMAP_SIZE: allows the whole linear region to be covered by a struct page array * (rounded up to PUD_SIZE). * VMALLOC_START: beginning of the kernel VA space * VMALLOC_END: extends to the available space below vmmemmap, PCI I/O space, * fixed mappings and modules */ -#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT)) * sizeof(struct page), PUD_SIZE) +#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT - 1)) * sizeof(struct page), PUD_SIZE) #ifndef CONFIG_KASAN #define VMALLOC_START (VA_START) @@ -51,7 +51,8 @@ #define VMALLOC_END (PAGE_OFFSET - PUD_SIZE - VMEMMAP_SIZE - SZ_64K) -#define vmemmap ((struct page *)(VMALLOC_END + SZ_64K)) +#define VMEMMAP_START (VMALLOC_END + SZ_64K) +#define vmemmap ((struct page *)VMEMMAP_START - (memstart_addr >> PAGE_SHIFT)) #define FIRST_USER_ADDRESS 0UL diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c index 8aee3aeec3e6..c536c9e307b9 100644 --- a/arch/arm64/kernel/debug-monitors.c +++ b/arch/arm64/kernel/debug-monitors.c @@ -226,11 +226,28 @@ static int call_step_hook(struct pt_regs *regs, unsigned int esr) return retval; } +static void send_user_sigtrap(int si_code) +{ + struct pt_regs *regs = current_pt_regs(); + siginfo_t info = { + .si_signo = SIGTRAP, + .si_errno = 0, + .si_code = si_code, + .si_addr = (void __user *)instruction_pointer(regs), + }; + + if (WARN_ON(!user_mode(regs))) + return; + + if (interrupts_enabled(regs)) + local_irq_enable(); + + force_sig_info(SIGTRAP, &info, current); +} + static int single_step_handler(unsigned long addr, unsigned int esr, struct pt_regs *regs) { - siginfo_t info; - /* * If we are stepping a pending breakpoint, call the hw_breakpoint * handler first. @@ -239,11 +256,7 @@ static int single_step_handler(unsigned long addr, unsigned int esr, return 0; if (user_mode(regs)) { - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_HWBKPT; - info.si_addr = (void __user *)instruction_pointer(regs); - force_sig_info(SIGTRAP, &info, current); + send_user_sigtrap(TRAP_HWBKPT); /* * ptrace will disable single step unless explicitly @@ -307,17 +320,8 @@ static int call_break_hook(struct pt_regs *regs, unsigned int esr) static int brk_handler(unsigned long addr, unsigned int esr, struct pt_regs *regs) { - siginfo_t info; - if (user_mode(regs)) { - info = (siginfo_t) { - .si_signo = SIGTRAP, - .si_errno = 0, - .si_code = TRAP_BRKPT, - .si_addr = (void __user *)instruction_pointer(regs), - }; - - force_sig_info(SIGTRAP, &info, current); + send_user_sigtrap(TRAP_BRKPT); } else if (call_break_hook(regs, esr) != DBG_HOOK_HANDLED) { pr_warning("Unexpected kernel BRK exception at EL1\n"); return -EFAULT; @@ -328,7 +332,6 @@ static int brk_handler(unsigned long addr, unsigned int esr, int aarch32_break_handler(struct pt_regs *regs) { - siginfo_t info; u32 arm_instr; u16 thumb_instr; bool bp = false; @@ -359,14 +362,7 @@ int aarch32_break_handler(struct pt_regs *regs) if (!bp) return -EFAULT; - info = (siginfo_t) { - .si_signo = SIGTRAP, - .si_errno = 0, - .si_code = TRAP_BRKPT, - .si_addr = pc, - }; - - force_sig_info(SIGTRAP, &info, current); + send_user_sigtrap(TRAP_BRKPT); return 0; } diff --git a/arch/arm64/kernel/image.h b/arch/arm64/kernel/image.h index 999633bd7294..352f7abd91c9 100644 --- a/arch/arm64/kernel/image.h +++ b/arch/arm64/kernel/image.h @@ -89,6 +89,7 @@ __efistub_memcpy = KALLSYMS_HIDE(__pi_memcpy); __efistub_memmove = KALLSYMS_HIDE(__pi_memmove); __efistub_memset = KALLSYMS_HIDE(__pi_memset); __efistub_strlen = KALLSYMS_HIDE(__pi_strlen); +__efistub_strnlen = KALLSYMS_HIDE(__pi_strnlen); __efistub_strcmp = KALLSYMS_HIDE(__pi_strcmp); __efistub_strncmp = KALLSYMS_HIDE(__pi_strncmp); __efistub___flush_dcache_area = KALLSYMS_HIDE(__pi___flush_dcache_area); diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 4fad9787ab46..d9751a4769e7 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -44,14 +44,13 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) unsigned long irq_stack_ptr; /* - * Use raw_smp_processor_id() to avoid false-positives from - * CONFIG_DEBUG_PREEMPT. get_wchan() calls unwind_frame() on sleeping - * task stacks, we can be pre-empted in this case, so - * {raw_,}smp_processor_id() may give us the wrong value. Sleeping - * tasks can't ever be on an interrupt stack, so regardless of cpu, - * the checks will always fail. + * Switching between stacks is valid when tracing current and in + * non-preemptible context. */ - irq_stack_ptr = IRQ_STACK_PTR(raw_smp_processor_id()); + if (tsk == current && !preemptible()) + irq_stack_ptr = IRQ_STACK_PTR(smp_processor_id()); + else + irq_stack_ptr = 0; low = frame->sp; /* irq stacks are not THREAD_SIZE aligned */ @@ -64,8 +63,8 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) return -EINVAL; frame->sp = fp + 0x10; - frame->fp = *(unsigned long *)(fp); - frame->pc = *(unsigned long *)(fp + 8); + frame->fp = READ_ONCE_NOCHECK(*(unsigned long *)(fp)); + frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp + 8)); #ifdef CONFIG_FUNCTION_GRAPH_TRACER if (tsk && tsk->ret_stack && diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index cbedd724f48e..c5392081b49b 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -146,9 +146,18 @@ static void dump_instr(const char *lvl, struct pt_regs *regs) static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) { struct stackframe frame; - unsigned long irq_stack_ptr = IRQ_STACK_PTR(smp_processor_id()); + unsigned long irq_stack_ptr; int skip; + /* + * Switching between stacks is valid when tracing current and in + * non-preemptible context. + */ + if (tsk == current && !preemptible()) + irq_stack_ptr = IRQ_STACK_PTR(smp_processor_id()); + else + irq_stack_ptr = 0; + pr_debug("%s(regs = %p tsk = %p)\n", __func__, regs, tsk); if (!tsk) diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index fcb778899a38..9e54ad7c240a 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -194,7 +194,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) u64 val; val = kvm_arm_timer_get_reg(vcpu, reg->id); - return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)); + return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0; } /** diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S index 3e568dcd907b..d073b5a216f7 100644 --- a/arch/arm64/kvm/hyp-init.S +++ b/arch/arm64/kvm/hyp-init.S @@ -64,7 +64,7 @@ __do_hyp_init: mrs x4, tcr_el1 ldr x5, =TCR_EL2_MASK and x4, x4, x5 - ldr x5, =TCR_EL2_FLAGS + mov x5, #TCR_EL2_RES1 orr x4, x4, x5 #ifndef CONFIG_ARM64_VA_BITS_48 @@ -85,15 +85,17 @@ __do_hyp_init: ldr_l x5, idmap_t0sz bfi x4, x5, TCR_T0SZ_OFFSET, TCR_TxSZ_WIDTH #endif - msr tcr_el2, x4 - - ldr x4, =VTCR_EL2_FLAGS /* * Read the PARange bits from ID_AA64MMFR0_EL1 and set the PS bits in - * VTCR_EL2. + * TCR_EL2 and VTCR_EL2. */ mrs x5, ID_AA64MMFR0_EL1 bfi x4, x5, #16, #3 + + msr tcr_el2, x4 + + ldr x4, =VTCR_EL2_FLAGS + bfi x4, x5, #16, #3 /* * Read the VMIDBits bits from ID_AA64MMFR1_EL1 and set the VS bit in * VTCR_EL2. diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index ca8f5a5e2f96..f0e7bdfae134 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -36,7 +36,11 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu) write_sysreg(val, hcr_el2); /* Trap on AArch32 cp15 c15 accesses (EL1 or EL0) */ write_sysreg(1 << 15, hstr_el2); - write_sysreg(CPTR_EL2_TTA | CPTR_EL2_TFP, cptr_el2); + + val = CPTR_EL2_DEFAULT; + val |= CPTR_EL2_TTA | CPTR_EL2_TFP; + write_sysreg(val, cptr_el2); + write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2); } @@ -45,7 +49,7 @@ static void __hyp_text __deactivate_traps(struct kvm_vcpu *vcpu) write_sysreg(HCR_RW, hcr_el2); write_sysreg(0, hstr_el2); write_sysreg(read_sysreg(mdcr_el2) & MDCR_EL2_HPMN_MASK, mdcr_el2); - write_sysreg(0, cptr_el2); + write_sysreg(CPTR_EL2_DEFAULT, cptr_el2); } static void __hyp_text __activate_vm(struct kvm_vcpu *vcpu) diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c index 9142e082f5f3..5dd2a26444ec 100644 --- a/arch/arm64/kvm/hyp/vgic-v3-sr.c +++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c @@ -149,16 +149,6 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu) switch (nr_pri_bits) { case 7: - write_gicreg(cpu_if->vgic_ap1r[3], ICH_AP1R3_EL2); - write_gicreg(cpu_if->vgic_ap1r[2], ICH_AP1R2_EL2); - case 6: - write_gicreg(cpu_if->vgic_ap1r[1], ICH_AP1R1_EL2); - default: - write_gicreg(cpu_if->vgic_ap1r[0], ICH_AP1R0_EL2); - } - - switch (nr_pri_bits) { - case 7: write_gicreg(cpu_if->vgic_ap0r[3], ICH_AP0R3_EL2); write_gicreg(cpu_if->vgic_ap0r[2], ICH_AP0R2_EL2); case 6: @@ -167,6 +157,16 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu) write_gicreg(cpu_if->vgic_ap0r[0], ICH_AP0R0_EL2); } + switch (nr_pri_bits) { + case 7: + write_gicreg(cpu_if->vgic_ap1r[3], ICH_AP1R3_EL2); + write_gicreg(cpu_if->vgic_ap1r[2], ICH_AP1R2_EL2); + case 6: + write_gicreg(cpu_if->vgic_ap1r[1], ICH_AP1R1_EL2); + default: + write_gicreg(cpu_if->vgic_ap1r[0], ICH_AP1R0_EL2); + } + switch (max_lr_idx) { case 15: write_gicreg(cpu_if->vgic_lr[VGIC_V3_LR_INDEX(15)], ICH_LR15_EL2); diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c index 648112e90ed5..4d1ac81870d2 100644 --- a/arch/arm64/kvm/inject_fault.c +++ b/arch/arm64/kvm/inject_fault.c @@ -27,7 +27,11 @@ #define PSTATE_FAULT_BITS_64 (PSR_MODE_EL1h | PSR_A_BIT | PSR_F_BIT | \ PSR_I_BIT | PSR_D_BIT) -#define EL1_EXCEPT_SYNC_OFFSET 0x200 + +#define CURRENT_EL_SP_EL0_VECTOR 0x0 +#define CURRENT_EL_SP_ELx_VECTOR 0x200 +#define LOWER_EL_AArch64_VECTOR 0x400 +#define LOWER_EL_AArch32_VECTOR 0x600 static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset) { @@ -97,6 +101,34 @@ static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt, *fsr = 0x14; } +enum exception_type { + except_type_sync = 0, + except_type_irq = 0x80, + except_type_fiq = 0x100, + except_type_serror = 0x180, +}; + +static u64 get_except_vector(struct kvm_vcpu *vcpu, enum exception_type type) +{ + u64 exc_offset; + + switch (*vcpu_cpsr(vcpu) & (PSR_MODE_MASK | PSR_MODE32_BIT)) { + case PSR_MODE_EL1t: + exc_offset = CURRENT_EL_SP_EL0_VECTOR; + break; + case PSR_MODE_EL1h: + exc_offset = CURRENT_EL_SP_ELx_VECTOR; + break; + case PSR_MODE_EL0t: + exc_offset = LOWER_EL_AArch64_VECTOR; + break; + default: + exc_offset = LOWER_EL_AArch32_VECTOR; + } + + return vcpu_sys_reg(vcpu, VBAR_EL1) + exc_offset + type; +} + static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr) { unsigned long cpsr = *vcpu_cpsr(vcpu); @@ -108,8 +140,8 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr *vcpu_spsr(vcpu) = cpsr; *vcpu_elr_el1(vcpu) = *vcpu_pc(vcpu); + *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; - *vcpu_pc(vcpu) = vcpu_sys_reg(vcpu, VBAR_EL1) + EL1_EXCEPT_SYNC_OFFSET; vcpu_sys_reg(vcpu, FAR_EL1) = addr; @@ -143,8 +175,8 @@ static void inject_undef64(struct kvm_vcpu *vcpu) *vcpu_spsr(vcpu) = cpsr; *vcpu_elr_el1(vcpu) = *vcpu_pc(vcpu); + *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; - *vcpu_pc(vcpu) = vcpu_sys_reg(vcpu, VBAR_EL1) + EL1_EXCEPT_SYNC_OFFSET; /* * Build an unknown exception, depending on the instruction diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index eec3598b4184..2e90371cfb37 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1007,10 +1007,9 @@ static int emulate_cp(struct kvm_vcpu *vcpu, if (likely(r->access(vcpu, params, r))) { /* Skip instruction, since it was emulated */ kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu)); + /* Handled */ + return 0; } - - /* Handled */ - return 0; } /* Not handled */ @@ -1043,7 +1042,7 @@ static void unhandled_cp_access(struct kvm_vcpu *vcpu, } /** - * kvm_handle_cp_64 -- handles a mrrc/mcrr trap on a guest CP15 access + * kvm_handle_cp_64 -- handles a mrrc/mcrr trap on a guest CP14/CP15 access * @vcpu: The VCPU pointer * @run: The kvm_run struct */ @@ -1095,7 +1094,7 @@ out: } /** - * kvm_handle_cp15_32 -- handles a mrc/mcr trap on a guest CP15 access + * kvm_handle_cp_32 -- handles a mrc/mcr trap on a guest CP14/CP15 access * @vcpu: The VCPU pointer * @run: The kvm_run struct */ diff --git a/arch/arm64/lib/strnlen.S b/arch/arm64/lib/strnlen.S index 2ca665711bf2..eae38da6e0bb 100644 --- a/arch/arm64/lib/strnlen.S +++ b/arch/arm64/lib/strnlen.S @@ -168,4 +168,4 @@ CPU_LE( lsr tmp2, tmp2, tmp4 ) /* Shift (tmp1 & 63). */ .Lhit_limit: mov len, limit ret -ENDPROC(strnlen) +ENDPIPROC(strnlen) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 331c4ca6205c..a6e757cbab77 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -933,6 +933,10 @@ static int __init __iommu_dma_init(void) ret = register_iommu_dma_ops_notifier(&platform_bus_type); if (!ret) ret = register_iommu_dma_ops_notifier(&amba_bustype); + + /* handle devices queued before this arch_initcall */ + if (!ret) + __iommu_attach_notifier(NULL, BUS_NOTIFY_ADD_DEVICE, NULL); return ret; } arch_initcall(__iommu_dma_init); diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 92ddac1e8ca2..abe2a9542b3a 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -371,6 +371,13 @@ static int __kprobes do_translation_fault(unsigned long addr, return 0; } +static int do_alignment_fault(unsigned long addr, unsigned int esr, + struct pt_regs *regs) +{ + do_bad_area(addr, esr, regs); + return 0; +} + /* * This abort handler always returns "fault". */ @@ -418,7 +425,7 @@ static struct fault_info { { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" }, { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" }, { do_bad, SIGBUS, 0, "unknown 32" }, - { do_bad, SIGBUS, BUS_ADRALN, "alignment fault" }, + { do_alignment_fault, SIGBUS, BUS_ADRALN, "alignment fault" }, { do_bad, SIGBUS, 0, "unknown 34" }, { do_bad, SIGBUS, 0, "unknown 35" }, { do_bad, SIGBUS, 0, "unknown 36" }, diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index f3b061e67bfe..7802f216a67a 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -319,8 +319,8 @@ void __init mem_init(void) #endif MLG(VMALLOC_START, VMALLOC_END), #ifdef CONFIG_SPARSEMEM_VMEMMAP - MLG((unsigned long)vmemmap, - (unsigned long)vmemmap + VMEMMAP_SIZE), + MLG(VMEMMAP_START, + VMEMMAP_START + VMEMMAP_SIZE), MLM((unsigned long)virt_to_page(PAGE_OFFSET), (unsigned long)virt_to_page(high_memory)), #endif diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c index 4c893b5189dd..232f787a088a 100644 --- a/arch/arm64/mm/mmap.c +++ b/arch/arm64/mm/mmap.c @@ -53,10 +53,10 @@ unsigned long arch_mmap_rnd(void) #ifdef CONFIG_COMPAT if (test_thread_flag(TIF_32BIT)) - rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_compat_bits) - 1); + rnd = get_random_long() & ((1UL << mmap_rnd_compat_bits) - 1); else #endif - rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1); + rnd = get_random_long() & ((1UL << mmap_rnd_bits) - 1); return rnd << PAGE_SHIFT; } diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c index cf6240741134..0795c3a36d8f 100644 --- a/arch/arm64/mm/pageattr.c +++ b/arch/arm64/mm/pageattr.c @@ -14,6 +14,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/vmalloc.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> @@ -44,6 +45,7 @@ static int change_memory_common(unsigned long addr, int numpages, unsigned long end = start + size; int ret; struct page_change_data data; + struct vm_struct *area; if (!PAGE_ALIGNED(addr)) { start &= PAGE_MASK; @@ -51,10 +53,23 @@ static int change_memory_common(unsigned long addr, int numpages, WARN_ON_ONCE(1); } - if (start < MODULES_VADDR || start >= MODULES_END) - return -EINVAL; - - if (end < MODULES_VADDR || end >= MODULES_END) + /* + * Kernel VA mappings are always live, and splitting live section + * mappings into page mappings may cause TLB conflicts. This means + * we have to ensure that changing the permission bits of the range + * we are operating on does not result in such splitting. + * + * Let's restrict ourselves to mappings created by vmalloc (or vmap). + * Those are guaranteed to consist entirely of page mappings, and + * splitting is never needed. + * + * So check whether the [addr, addr + size) interval is entirely + * covered by precisely one VM area that has the VM_ALLOC flag set. + */ + area = find_vm_area((void *)addr); + if (!area || + end > (unsigned long)area->addr + area->size || + !(area->flags & VM_ALLOC)) return -EINVAL; if (!numpages) diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 836ac5a963c8..2841c0a3fd3b 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -276,6 +276,7 @@ source "kernel/Kconfig.preempt" config SMP bool "Symmetric multi-processing support" + depends on MMU ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, say N. If you have a system with more diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index fc96e814188e..d1fc4796025e 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -108,6 +108,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -266,6 +268,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -366,6 +374,7 @@ CONFIG_ARIADNE=y # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NETRONOME is not set CONFIG_HYDRA=y CONFIG_APNE=y CONFIG_ZORRO8390=y diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index 05c904f08d9d..9bfe8be3658c 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -106,6 +106,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -264,6 +266,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -344,6 +352,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETRONOME is not set # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set # CONFIG_NET_VENDOR_ROCKER is not set diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index d572b731c510..ebdcfae55580 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -106,6 +106,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -264,6 +266,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -353,6 +361,7 @@ CONFIG_ATARILANCE=y # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NETRONOME is not set CONFIG_NE2000=y # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index 11a30c65ad44..8acc65e54995 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -104,6 +104,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -262,6 +264,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -343,6 +351,7 @@ CONFIG_BVME6000_NET=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETRONOME is not set # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set # CONFIG_NET_VENDOR_ROCKER is not set diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index 6630a5154b9d..0c6a3d52b26e 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -106,6 +106,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -264,6 +266,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -345,6 +353,7 @@ CONFIG_HPLANCE=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETRONOME is not set # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set # CONFIG_NET_VENDOR_ROCKER is not set diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index 1d90b71d0903..12a8a6cb32f4 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -105,6 +105,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -266,6 +268,12 @@ CONFIG_DEV_APPLETALK=m CONFIG_IPDDP=m CONFIG_IPDDP_ENCAP=y CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -362,6 +370,7 @@ CONFIG_MAC89x0=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set CONFIG_MACSONIC=y +# CONFIG_NET_VENDOR_NETRONOME is not set CONFIG_MAC8390=y # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index 1fd21c1ca87f..64ff2dcb34c8 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -115,6 +115,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -276,6 +278,12 @@ CONFIG_DEV_APPLETALK=m CONFIG_IPDDP=m CONFIG_IPDDP_ENCAP=y CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -404,6 +412,7 @@ CONFIG_MVME16x_NET=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set CONFIG_MACSONIC=y +# CONFIG_NET_VENDOR_NETRONOME is not set CONFIG_HYDRA=y CONFIG_MAC8390=y CONFIG_NE2000=y diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index 74e10f79d7b1..07fc6abcfe0c 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -103,6 +103,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -261,6 +263,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -343,6 +351,7 @@ CONFIG_MVME147_NET=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETRONOME is not set # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set # CONFIG_NET_VENDOR_ROCKER is not set diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index 7034e716f166..69903ded88f7 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -104,6 +104,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -262,6 +264,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -343,6 +351,7 @@ CONFIG_MVME16x_NET=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETRONOME is not set # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set # CONFIG_NET_VENDOR_ROCKER is not set diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index f7deb5f702a6..bd8401686dde 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -104,6 +104,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -262,6 +264,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -352,6 +360,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NETRONOME is not set CONFIG_NE2000=y # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index 0ce79eb0d805..5f9fb3ab9636 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -101,6 +101,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -259,6 +261,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -340,6 +348,7 @@ CONFIG_SUN3_82586=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETRONOME is not set # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set # CONFIG_NET_VENDOR_ROCKER is not set diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index 4cb787e4991f..5d1c674530e2 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -101,6 +101,8 @@ CONFIG_NFT_NAT=m CONFIG_NFT_QUEUE=m CONFIG_NFT_REJECT=m CONFIG_NFT_COMPAT=m +CONFIG_NFT_DUP_NETDEV=m +CONFIG_NFT_FWD_NETDEV=m CONFIG_NETFILTER_XT_SET=m CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m @@ -259,6 +261,12 @@ CONFIG_L2TP=m CONFIG_BRIDGE=m CONFIG_ATALK=m CONFIG_6LOWPAN=m +CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=m +CONFIG_6LOWPAN_GHC_UDP=m +CONFIG_6LOWPAN_GHC_ICMPV6=m +CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=m +CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=m +CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=m CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y @@ -341,6 +349,7 @@ CONFIG_SUN3LANCE=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_NETRONOME is not set # CONFIG_NET_VENDOR_QUALCOMM is not set # CONFIG_NET_VENDOR_RENESAS is not set # CONFIG_NET_VENDOR_ROCKER is not set diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index f9d96bf86910..bafaff6dcd7b 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 376 +#define NR_syscalls 377 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index 36cf129de663..0ca729665f29 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -381,5 +381,6 @@ #define __NR_userfaultfd 373 #define __NR_membarrier 374 #define __NR_mlock2 375 +#define __NR_copy_file_range 376 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 282cd903f4c4..8bb94261ff97 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -396,3 +396,4 @@ ENTRY(sys_call_table) .long sys_userfaultfd .long sys_membarrier .long sys_mlock2 /* 375 */ + .long sys_copy_file_range diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 57a945e832f4..74a3db92da1b 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2085,7 +2085,7 @@ config PAGE_SIZE_32KB config PAGE_SIZE_64KB bool "64kB" - depends on !CPU_R3000 && !CPU_TX39XX + depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 help Using 64kB page size will result in higher performance kernel at the price of higher memory consumption. This option is available on diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi index 459b9b252c3b..d61b1616b604 100644 --- a/arch/mips/boot/dts/brcm/bcm6328.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi @@ -74,6 +74,7 @@ timer: timer@10000040 { compatible = "syscon"; reg = <0x10000040 0x2c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7125.dtsi b/arch/mips/boot/dts/brcm/bcm7125.dtsi index 4fc7ecee273c..1a7efa883c5e 100644 --- a/arch/mips/boot/dts/brcm/bcm7125.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7125.dtsi @@ -98,6 +98,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7125-sun-top-ctrl", "syscon"; reg = <0x404000 0x60c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7346.dtsi b/arch/mips/boot/dts/brcm/bcm7346.dtsi index a3039bb53477..d4bf52cfcf17 100644 --- a/arch/mips/boot/dts/brcm/bcm7346.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7346.dtsi @@ -118,6 +118,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7346-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7358.dtsi b/arch/mips/boot/dts/brcm/bcm7358.dtsi index 4274ff41ec21..8e2501694d03 100644 --- a/arch/mips/boot/dts/brcm/bcm7358.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7358.dtsi @@ -112,6 +112,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7358-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7360.dtsi b/arch/mips/boot/dts/brcm/bcm7360.dtsi index 0dcc9163c27b..7e5f76040fb8 100644 --- a/arch/mips/boot/dts/brcm/bcm7360.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7360.dtsi @@ -112,6 +112,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7360-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7362.dtsi b/arch/mips/boot/dts/brcm/bcm7362.dtsi index 2f3f9fc2c478..c739ea77acb0 100644 --- a/arch/mips/boot/dts/brcm/bcm7362.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7362.dtsi @@ -118,6 +118,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7362-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7420.dtsi b/arch/mips/boot/dts/brcm/bcm7420.dtsi index bee221b3b568..5f55d0a50a28 100644 --- a/arch/mips/boot/dts/brcm/bcm7420.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7420.dtsi @@ -99,6 +99,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7420-sun-top-ctrl", "syscon"; reg = <0x404000 0x60c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi index 571f30f52e3f..e24d41ab4e30 100644 --- a/arch/mips/boot/dts/brcm/bcm7425.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi @@ -100,6 +100,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7425-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; + little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi index 614ee211f71a..8b9432cc062b 100644 --- a/arch/mips/boot/dts/brcm/bcm7435.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi @@ -114,6 +114,7 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7425-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; + little-endian; }; reboot { diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index cefb7a596878..e090fc388e02 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -227,7 +227,7 @@ struct mips_elf_abiflags_v0 { int __res = 1; \ struct elfhdr *__h = (hdr); \ \ - if (__h->e_machine != EM_MIPS) \ + if (!mips_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS32) \ __res = 0; \ @@ -258,7 +258,7 @@ struct mips_elf_abiflags_v0 { int __res = 1; \ struct elfhdr *__h = (hdr); \ \ - if (__h->e_machine != EM_MIPS) \ + if (!mips_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS64) \ __res = 0; \ @@ -285,6 +285,11 @@ struct mips_elf_abiflags_v0 { #endif /* !defined(ELF_ARCH) */ +#define mips_elf_check_machine(x) ((x)->e_machine == EM_MIPS) + +#define vmcore_elf32_check_arch mips_elf_check_machine +#define vmcore_elf64_check_arch mips_elf_check_machine + struct mips_abi; extern struct mips_abi mips_abi; diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 9cbf383b8834..f06f97bd62df 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -179,6 +179,10 @@ static inline void lose_fpu_inatomic(int save, struct task_struct *tsk) if (save) _save_fp(tsk); __disable_fpu(); + } else { + /* FPU should not have been left enabled with no owner */ + WARN(read_c0_status() & ST0_CU1, + "Orphaned FPU left enabled"); } KSTK_STATUS(tsk) &= ~ST0_CU1; clear_tsk_thread_flag(tsk, TIF_USEDFPU); diff --git a/arch/mips/include/asm/octeon/octeon-feature.h b/arch/mips/include/asm/octeon/octeon-feature.h index 8ebd3f579b84..3ed10a8d7865 100644 --- a/arch/mips/include/asm/octeon/octeon-feature.h +++ b/arch/mips/include/asm/octeon/octeon-feature.h @@ -128,7 +128,8 @@ static inline int octeon_has_feature(enum octeon_feature feature) case OCTEON_FEATURE_PCIE: return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) - || OCTEON_IS_MODEL(OCTEON_CN6XXX); + || OCTEON_IS_MODEL(OCTEON_CN6XXX) + || OCTEON_IS_MODEL(OCTEON_CN7XXX); case OCTEON_FEATURE_SRIO: return OCTEON_IS_MODEL(OCTEON_CN63XX) diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 3f832c3dd8f5..041153f5cf93 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -45,7 +45,7 @@ extern unsigned int vced_count, vcei_count; * User space process size: 2GB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. */ -#define TASK_SIZE 0x7fff8000UL +#define TASK_SIZE 0x80000000UL #endif #define STACK_TOP_MAX TASK_SIZE diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index a71da576883c..eebf39549606 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -289,7 +289,7 @@ .set reorder .set noat mfc0 a0, CP0_STATUS - li v1, 0xff00 + li v1, ST0_CU1 | ST0_IM ori a0, STATMASK xori a0, STATMASK mtc0 a0, CP0_STATUS @@ -330,7 +330,7 @@ ori a0, STATMASK xori a0, STATMASK mtc0 a0, CP0_STATUS - li v1, 0xff00 + li v1, ST0_CU1 | ST0_FR | ST0_IM and a0, v1 LONG_L v0, PT_STATUS(sp) nor v1, $0, v1 diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index 6499d93ae68d..47bc45a67e9b 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -101,10 +101,8 @@ static inline void syscall_get_arguments(struct task_struct *task, /* O32 ABI syscall() - Either 64-bit with O32 or 32-bit */ if ((config_enabled(CONFIG_32BIT) || test_tsk_thread_flag(task, TIF_32BIT_REGS)) && - (regs->regs[2] == __NR_syscall)) { + (regs->regs[2] == __NR_syscall)) i++; - n++; - } while (n--) ret |= mips_get_syscall_arg(args++, task, regs, i++); diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index 90f03a7da665..3129795de940 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -380,16 +380,17 @@ #define __NR_userfaultfd (__NR_Linux + 357) #define __NR_membarrier (__NR_Linux + 358) #define __NR_mlock2 (__NR_Linux + 359) +#define __NR_copy_file_range (__NR_Linux + 360) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 359 +#define __NR_Linux_syscalls 360 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 359 +#define __NR_O32_Linux_syscalls 360 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -717,16 +718,17 @@ #define __NR_userfaultfd (__NR_Linux + 317) #define __NR_membarrier (__NR_Linux + 318) #define __NR_mlock2 (__NR_Linux + 319) +#define __NR_copy_file_range (__NR_Linux + 320) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 319 +#define __NR_Linux_syscalls 320 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 319 +#define __NR_64_Linux_syscalls 320 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1058,15 +1060,16 @@ #define __NR_userfaultfd (__NR_Linux + 321) #define __NR_membarrier (__NR_Linux + 322) #define __NR_mlock2 (__NR_Linux + 323) +#define __NR_copy_file_range (__NR_Linux + 324) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 323 +#define __NR_Linux_syscalls 324 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 323 +#define __NR_N32_Linux_syscalls 324 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c index 1188e00bb120..1b992c6e3d8e 100644 --- a/arch/mips/kernel/binfmt_elfn32.c +++ b/arch/mips/kernel/binfmt_elfn32.c @@ -35,7 +35,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; int __res = 1; \ struct elfhdr *__h = (hdr); \ \ - if (__h->e_machine != EM_MIPS) \ + if (!mips_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS32) \ __res = 0; \ diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c index 928767858b86..abd3affe5fb3 100644 --- a/arch/mips/kernel/binfmt_elfo32.c +++ b/arch/mips/kernel/binfmt_elfo32.c @@ -47,7 +47,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; int __res = 1; \ struct elfhdr *__h = (hdr); \ \ - if (__h->e_machine != EM_MIPS) \ + if (!mips_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS32) \ __res = 0; \ diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index f2975d4d1e44..eddd5fd6fdfa 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -65,12 +65,10 @@ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp) status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|ST0_FR|KU_MASK); status |= KU_USER; regs->cp0_status = status; + lose_fpu(0); + clear_thread_flag(TIF_MSA_CTX_LIVE); clear_used_math(); - clear_fpu_owner(); init_dsp(); - clear_thread_flag(TIF_USEDMSA); - clear_thread_flag(TIF_MSA_CTX_LIVE); - disable_msa(); regs->cp0_epc = pc; regs->regs[29] = sp; } diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 2d23c834ba96..a56317444bda 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -595,3 +595,4 @@ EXPORT(sys_call_table) PTR sys_userfaultfd PTR sys_membarrier PTR sys_mlock2 + PTR sys_copy_file_range /* 4360 */ diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index deac63315d0e..2b2dc14610d0 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -433,4 +433,5 @@ EXPORT(sys_call_table) PTR sys_userfaultfd PTR sys_membarrier PTR sys_mlock2 + PTR sys_copy_file_range /* 5320 */ .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 5a69eb48d0a8..2bf5c8593d91 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -423,4 +423,5 @@ EXPORT(sysn32_call_table) PTR sys_userfaultfd PTR sys_membarrier PTR sys_mlock2 + PTR sys_copy_file_range .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index e4b6d7c97822..c5b759e584c7 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -578,4 +578,5 @@ EXPORT(sys32_call_table) PTR sys_userfaultfd PTR sys_membarrier PTR sys_mlock2 + PTR sys_copy_file_range /* 4360 */ .size sys32_call_table,.-sys32_call_table diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 569a7d5242dd..5fdaf8bdcd2e 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -782,6 +782,7 @@ static inline void prefill_possible_map(void) {} void __init setup_arch(char **cmdline_p) { cpu_probe(); + mips_cm_probe(); prom_init(); setup_early_fdc_console(); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index bafcb7ad5c85..ae790c575d4f 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -663,7 +663,7 @@ static int simulate_rdhwr_normal(struct pt_regs *regs, unsigned int opcode) return -1; } -static int simulate_rdhwr_mm(struct pt_regs *regs, unsigned short opcode) +static int simulate_rdhwr_mm(struct pt_regs *regs, unsigned int opcode) { if ((opcode & MM_POOL32A_FUNC) == MM_RDHWR) { int rd = (opcode & MM_RS) >> 16; @@ -1119,11 +1119,12 @@ no_r2_instr: if (get_isa16_mode(regs->cp0_epc)) { unsigned short mmop[2] = { 0 }; - if (unlikely(get_user(mmop[0], epc) < 0)) + if (unlikely(get_user(mmop[0], (u16 __user *)epc + 0) < 0)) status = SIGSEGV; - if (unlikely(get_user(mmop[1], epc) < 0)) + if (unlikely(get_user(mmop[1], (u16 __user *)epc + 1) < 0)) status = SIGSEGV; - opcode = (mmop[0] << 16) | mmop[1]; + opcode = mmop[0]; + opcode = (opcode << 16) | mmop[1]; if (status < 0) status = simulate_rdhwr_mm(regs, opcode); @@ -1369,26 +1370,12 @@ asmlinkage void do_cpu(struct pt_regs *regs) if (unlikely(compute_return_epc(regs) < 0)) break; - if (get_isa16_mode(regs->cp0_epc)) { - unsigned short mmop[2] = { 0 }; - - if (unlikely(get_user(mmop[0], epc) < 0)) - status = SIGSEGV; - if (unlikely(get_user(mmop[1], epc) < 0)) - status = SIGSEGV; - opcode = (mmop[0] << 16) | mmop[1]; - - if (status < 0) - status = simulate_rdhwr_mm(regs, opcode); - } else { + if (!get_isa16_mode(regs->cp0_epc)) { if (unlikely(get_user(opcode, epc) < 0)) status = SIGSEGV; if (!cpu_has_llsc && status < 0) status = simulate_llsc(regs, opcode); - - if (status < 0) - status = simulate_rdhwr_normal(regs, opcode); } if (status < 0) diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 8bc3977576e6..3110447ab1e9 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -702,7 +702,7 @@ static int kvm_mips_get_reg(struct kvm_vcpu *vcpu, } else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U128) { void __user *uaddr = (void __user *)(long)reg->addr; - return copy_to_user(uaddr, vs, 16); + return copy_to_user(uaddr, vs, 16) ? -EFAULT : 0; } else { return -EINVAL; } @@ -732,7 +732,7 @@ static int kvm_mips_set_reg(struct kvm_vcpu *vcpu, } else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U128) { void __user *uaddr = (void __user *)(long)reg->addr; - return copy_from_user(vs, uaddr, 16); + return copy_from_user(vs, uaddr, 16) ? -EFAULT : 0; } else { return -EINVAL; } diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index 5c81fdd032c3..353037699512 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -146,7 +146,7 @@ unsigned long arch_mmap_rnd(void) { unsigned long rnd; - rnd = (unsigned long)get_random_int(); + rnd = get_random_long(); rnd <<= PAGE_SHIFT; if (TASK_IS_32BIT_ADDR) rnd &= 0xfffffful; @@ -174,7 +174,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm) static inline unsigned long brk_rnd(void) { - unsigned long rnd = get_random_int(); + unsigned long rnd = get_random_long(); rnd = rnd << PAGE_SHIFT; /* 8MB for 32bit, 256MB for 64bit */ diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c index 3bd0597d9c3d..249647578e58 100644 --- a/arch/mips/mm/sc-mips.c +++ b/arch/mips/mm/sc-mips.c @@ -181,10 +181,6 @@ static int __init mips_sc_probe_cm3(void) return 1; } -void __weak platform_early_l2_init(void) -{ -} - static inline int __init mips_sc_probe(void) { struct cpuinfo_mips *c = ¤t_cpu_data; @@ -194,12 +190,6 @@ static inline int __init mips_sc_probe(void) /* Mark as not present until probe completed */ c->scache.flags |= MIPS_CACHE_NOT_PRESENT; - /* - * Do we need some platform specific probing before - * we configure L2? - */ - platform_early_l2_init(); - if (mips_cm_revision() >= CM_REV_CM3) return mips_sc_probe_cm3(); diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c index 571148c5fd0b..dc2c5214809d 100644 --- a/arch/mips/mti-malta/malta-init.c +++ b/arch/mips/mti-malta/malta-init.c @@ -293,7 +293,6 @@ mips_pci_controller: console_config(); #endif /* Early detection of CMP support */ - mips_cm_probe(); mips_cpc_probe(); if (!register_cps_smp_ops()) @@ -304,10 +303,3 @@ mips_pci_controller: return; register_up_smp_ops(); } - -void platform_early_l2_init(void) -{ - /* L2 configuration lives in the CM3 */ - if (mips_cm_revision() >= CM_REV_CM3) - mips_cm_probe(); -} diff --git a/arch/mips/pci/pci-mt7620.c b/arch/mips/pci/pci-mt7620.c index a009ee458934..1ae932c2d78b 100644 --- a/arch/mips/pci/pci-mt7620.c +++ b/arch/mips/pci/pci-mt7620.c @@ -297,12 +297,12 @@ static int mt7620_pci_probe(struct platform_device *pdev) return PTR_ERR(rstpcie0); bridge_base = devm_ioremap_resource(&pdev->dev, bridge_res); - if (!bridge_base) - return -ENOMEM; + if (IS_ERR(bridge_base)) + return PTR_ERR(bridge_base); pcie_base = devm_ioremap_resource(&pdev->dev, pcie_res); - if (!pcie_base) - return -ENOMEM; + if (IS_ERR(pcie_base)) + return PTR_ERR(pcie_base); iomem_resource.start = 0; iomem_resource.end = ~0; diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h index f84ff12574b7..6d8276cd25ca 100644 --- a/arch/parisc/include/asm/floppy.h +++ b/arch/parisc/include/asm/floppy.h @@ -33,7 +33,7 @@ * floppy accesses go through the track buffer. */ #define _CROSS_64KB(a,s,vdma) \ -(!vdma && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64)) +(!(vdma) && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64)) #define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1) diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 35bdccbb2036..b75039f92116 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -361,8 +361,9 @@ #define __NR_membarrier (__NR_Linux + 343) #define __NR_userfaultfd (__NR_Linux + 344) #define __NR_mlock2 (__NR_Linux + 345) +#define __NR_copy_file_range (__NR_Linux + 346) -#define __NR_Linux_syscalls (__NR_mlock2 + 1) +#define __NR_Linux_syscalls (__NR_copy_file_range + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 9585c81f755f..ce0b2b4075c7 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -269,14 +269,19 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, long do_syscall_trace_enter(struct pt_regs *regs) { - long ret = 0; - /* Do the secure computing check first. */ secure_computing_strict(regs->gr[20]); if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(regs)) - ret = -1L; + tracehook_report_syscall_entry(regs)) { + /* + * Tracing decided this syscall should not happen or the + * debugger stored an invalid system call number. Skip + * the system call and the system call restart handling. + */ + regs->gr[20] = -1UL; + goto out; + } #ifdef CONFIG_64BIT if (!is_compat_task()) @@ -290,7 +295,8 @@ long do_syscall_trace_enter(struct pt_regs *regs) regs->gr[24] & 0xffffffff, regs->gr[23] & 0xffffffff); - return ret ? : regs->gr[20]; +out: + return regs->gr[20]; } void do_syscall_trace_exit(struct pt_regs *regs) diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 3fbd7252a4b2..fbafa0d0e2bf 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -343,7 +343,7 @@ tracesys_next: #endif comiclr,>>= __NR_Linux_syscalls, %r20, %r0 - b,n .Lsyscall_nosys + b,n .Ltracesys_nosys LDREGX %r20(%r19), %r19 @@ -359,6 +359,9 @@ tracesys_next: be 0(%sr7,%r19) ldo R%tracesys_exit(%r2),%r2 +.Ltracesys_nosys: + ldo -ENOSYS(%r0),%r28 /* set errno */ + /* Do *not* call this function on the gateway page, because it makes a direct call to syscall_trace. */ diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index d4ffcfbc9885..585d50fc75c0 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -441,6 +441,7 @@ ENTRY_SAME(membarrier) ENTRY_SAME(userfaultfd) ENTRY_SAME(mlock2) /* 345 */ + ENTRY_SAME(copy_file_range) .ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b)) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index e4824fd04bb7..9faa18c4f3f7 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -557,7 +557,7 @@ choice config PPC_4K_PAGES bool "4k page size" - select HAVE_ARCH_SOFT_DIRTY if CHECKPOINT_RESTORE && PPC_BOOK3S + select HAVE_ARCH_SOFT_DIRTY if PPC_BOOK3S_64 config PPC_16K_PAGES bool "16k page size" @@ -566,7 +566,7 @@ config PPC_16K_PAGES config PPC_64K_PAGES bool "64k page size" depends on !PPC_FSL_BOOK3E && (44x || PPC_STD_MMU_64 || PPC_BOOK3E_64) - select HAVE_ARCH_SOFT_DIRTY if CHECKPOINT_RESTORE && PPC_BOOK3S + select HAVE_ARCH_SOFT_DIRTY if PPC_BOOK3S_64 config PPC_256K_PAGES bool "256k page size" diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 8d1c41d28318..ac07a30a7934 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -281,6 +281,10 @@ extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); +#define __HAVE_ARCH_PMDP_HUGE_SPLIT_PREPARE +extern void pmdp_huge_split_prepare(struct vm_area_struct *vma, + unsigned long address, pmd_t *pmdp); + #define pmd_move_must_withdraw pmd_move_must_withdraw struct spinlock; static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index c5eb86f3d452..867c39b45df6 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -81,6 +81,7 @@ struct pci_dn; #define EEH_PE_KEEP (1 << 8) /* Keep PE on hotplug */ #define EEH_PE_CFG_RESTRICTED (1 << 9) /* Block config on error */ #define EEH_PE_REMOVED (1 << 10) /* Removed permanently */ +#define EEH_PE_PRI_BUS (1 << 11) /* Cached primary bus */ struct eeh_pe { int type; /* PE type: PHB/Bus/Device */ diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h index 8e86b48d0369..32e36b16773f 100644 --- a/arch/powerpc/include/asm/trace.h +++ b/arch/powerpc/include/asm/trace.h @@ -57,12 +57,14 @@ DEFINE_EVENT(ppc64_interrupt_class, timer_interrupt_exit, extern void hcall_tracepoint_regfunc(void); extern void hcall_tracepoint_unregfunc(void); -TRACE_EVENT_FN(hcall_entry, +TRACE_EVENT_FN_COND(hcall_entry, TP_PROTO(unsigned long opcode, unsigned long *args), TP_ARGS(opcode, args), + TP_CONDITION(cpu_online(raw_smp_processor_id())), + TP_STRUCT__entry( __field(unsigned long, opcode) ), @@ -76,13 +78,15 @@ TRACE_EVENT_FN(hcall_entry, hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc ); -TRACE_EVENT_FN(hcall_exit, +TRACE_EVENT_FN_COND(hcall_exit, TP_PROTO(unsigned long opcode, unsigned long retval, unsigned long *retbuf), TP_ARGS(opcode, retval, retbuf), + TP_CONDITION(cpu_online(raw_smp_processor_id())), + TP_STRUCT__entry( __field(unsigned long, opcode) __field(unsigned long, retval) diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 938742135ee0..650cfb31ea3d 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -418,8 +418,7 @@ static void *eeh_rmv_device(void *data, void *userdata) eeh_pcid_put(dev); if (driver->err_handler && driver->err_handler->error_detected && - driver->err_handler->slot_reset && - driver->err_handler->resume) + driver->err_handler->slot_reset) return NULL; } @@ -564,6 +563,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus) */ eeh_pe_state_mark(pe, EEH_PE_KEEP); if (bus) { + eeh_pe_state_clear(pe, EEH_PE_PRI_BUS); pci_lock_rescan_remove(); pcibios_remove_pci_devices(bus); pci_unlock_rescan_remove(); @@ -803,6 +803,7 @@ perm_error: * the their PCI config any more. */ if (frozen_bus) { + eeh_pe_state_clear(pe, EEH_PE_PRI_BUS); eeh_pe_dev_mode_mark(pe, EEH_DEV_REMOVED); pci_lock_rescan_remove(); @@ -886,6 +887,7 @@ static void eeh_handle_special_event(void) continue; /* Notify all devices to be down */ + eeh_pe_state_clear(pe, EEH_PE_PRI_BUS); bus = eeh_pe_bus_get(phb_pe); eeh_pe_dev_traverse(pe, eeh_report_failure, NULL); diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index ca9e5371930e..98f81800e00c 100644 --- a/arch/powerpc/kernel/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c @@ -928,7 +928,7 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe) bus = pe->phb->bus; } else if (pe->type & EEH_PE_BUS || pe->type & EEH_PE_DEVICE) { - if (pe->bus) { + if (pe->state & EEH_PE_PRI_BUS) { bus = pe->bus; goto out; } diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c index ac64ffdb52c8..08b7a40de5f8 100644 --- a/arch/powerpc/kernel/module_64.c +++ b/arch/powerpc/kernel/module_64.c @@ -340,7 +340,7 @@ static void dedotify(Elf64_Sym *syms, unsigned int numsyms, char *strtab) if (name[0] == '.') { if (strcmp(name+1, "TOC.") == 0) syms[i].st_shndx = SHN_ABS; - memmove(name, name+1, strlen(name)); + syms[i].st_name++; } } } diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index dccc87e8fee5..3c5736e52a14 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1768,9 +1768,9 @@ static inline unsigned long brk_rnd(void) /* 8MB for 32bit, 1GB for 64bit */ if (is_32bit_task()) - rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT))); + rnd = (get_random_long() % (1UL<<(23-PAGE_SHIFT))); else - rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT))); + rnd = (get_random_long() % (1UL<<(30-PAGE_SHIFT))); return rnd << PAGE_SHIFT; } diff --git a/arch/powerpc/mm/hash64_64k.c b/arch/powerpc/mm/hash64_64k.c index 0762c1e08c88..edb09912f0c9 100644 --- a/arch/powerpc/mm/hash64_64k.c +++ b/arch/powerpc/mm/hash64_64k.c @@ -111,7 +111,13 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid, */ if (!(old_pte & _PAGE_COMBO)) { flush_hash_page(vpn, rpte, MMU_PAGE_64K, ssize, flags); - old_pte &= ~_PAGE_HASHPTE | _PAGE_F_GIX | _PAGE_F_SECOND; + /* + * clear the old slot details from the old and new pte. + * On hash insert failure we use old pte value and we don't + * want slot information there if we have a insert failure. + */ + old_pte &= ~(_PAGE_HASHPTE | _PAGE_F_GIX | _PAGE_F_SECOND); + new_pte &= ~(_PAGE_HASHPTE | _PAGE_F_GIX | _PAGE_F_SECOND); goto htab_insert_hpte; } /* diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c index 49b152b0f926..eb2accdd76fd 100644 --- a/arch/powerpc/mm/hugepage-hash64.c +++ b/arch/powerpc/mm/hugepage-hash64.c @@ -78,9 +78,19 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, * base page size. This is because demote_segment won't flush * hash page table entries. */ - if ((old_pmd & _PAGE_HASHPTE) && !(old_pmd & _PAGE_COMBO)) + if ((old_pmd & _PAGE_HASHPTE) && !(old_pmd & _PAGE_COMBO)) { flush_hash_hugepage(vsid, ea, pmdp, MMU_PAGE_64K, ssize, flags); + /* + * With THP, we also clear the slot information with + * respect to all the 64K hash pte mapping the 16MB + * page. They are all invalid now. This make sure we + * don't find the slot valid when we fault with 4k + * base page size. + * + */ + memset(hpte_slot_array, 0, PTE_FRAG_SIZE); + } } valid = hpte_valid(hpte_slot_array, index); diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c index 0f0502e12f6c..4087705ba90f 100644 --- a/arch/powerpc/mm/mmap.c +++ b/arch/powerpc/mm/mmap.c @@ -59,9 +59,9 @@ unsigned long arch_mmap_rnd(void) /* 8MB for 32bit, 1GB for 64bit */ if (is_32bit_task()) - rnd = (unsigned long)get_random_int() % (1<<(23-PAGE_SHIFT)); + rnd = get_random_long() % (1<<(23-PAGE_SHIFT)); else - rnd = (unsigned long)get_random_int() % (1<<(30-PAGE_SHIFT)); + rnd = get_random_long() % (1UL<<(30-PAGE_SHIFT)); return rnd << PAGE_SHIFT; } diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 3124a20d0fab..cdf2123d46db 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -646,6 +646,28 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp) return pgtable; } +void pmdp_huge_split_prepare(struct vm_area_struct *vma, + unsigned long address, pmd_t *pmdp) +{ + VM_BUG_ON(address & ~HPAGE_PMD_MASK); + VM_BUG_ON(REGION_ID(address) != USER_REGION_ID); + + /* + * We can't mark the pmd none here, because that will cause a race + * against exit_mmap. We need to continue mark pmd TRANS HUGE, while + * we spilt, but at the same time we wan't rest of the ppc64 code + * not to insert hash pte on this, because we will be modifying + * the deposited pgtable in the caller of this function. Hence + * clear the _PAGE_USER so that we move the fault handling to + * higher level function and that will serialize against ptl. + * We need to flush existing hash pte entries here even though, + * the translation is still valid, because we will withdraw + * pgtable_t after this. + */ + pmd_hugepage_update(vma->vm_mm, address, pmdp, _PAGE_USER, 0); +} + + /* * set a new huge pmd. We should not be called for updating * an existing pmd entry. That should go via pmd_hugepage_update. @@ -663,10 +685,20 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, return set_pte_at(mm, addr, pmdp_ptep(pmdp), pmd_pte(pmd)); } +/* + * We use this to invalidate a pmdp entry before switching from a + * hugepte to regular pmd entry. + */ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp) { pmd_hugepage_update(vma->vm_mm, address, pmdp, _PAGE_PRESENT, 0); + + /* + * This ensures that generic code that rely on IRQ disabling + * to prevent a parallel THP split work as expected. + */ + kick_all_cpus_sync(); } /* diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 5f152b95ca0c..87f47e55aab6 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -444,9 +444,12 @@ static void *pnv_eeh_probe(struct pci_dn *pdn, void *data) * PCI devices of the PE are expected to be removed prior * to PE reset. */ - if (!edev->pe->bus) + if (!(edev->pe->state & EEH_PE_PRI_BUS)) { edev->pe->bus = pci_find_bus(hose->global_number, pdn->busno); + if (edev->pe->bus) + edev->pe->state |= EEH_PE_PRI_BUS; + } /* * Enable EEH explicitly so that we will do EEH check diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 573ae1994097..f90dc04395bf 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -3180,6 +3180,7 @@ static void pnv_pci_ioda_shutdown(struct pci_controller *hose) static const struct pci_controller_ops pnv_pci_ioda_controller_ops = { .dma_dev_setup = pnv_pci_dma_dev_setup, + .dma_bus_setup = pnv_pci_dma_bus_setup, #ifdef CONFIG_PCI_MSI .setup_msi_irqs = pnv_setup_msi_irqs, .teardown_msi_irqs = pnv_teardown_msi_irqs, diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 2f55c86df703..b1ef84a6c9d1 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -599,6 +599,9 @@ int pnv_tce_build(struct iommu_table *tbl, long index, long npages, u64 rpn = __pa(uaddr) >> tbl->it_page_shift; long i; + if (proto_tce & TCE_PCI_WRITE) + proto_tce |= TCE_PCI_READ; + for (i = 0; i < npages; i++) { unsigned long newtce = proto_tce | ((rpn + i) << tbl->it_page_shift); @@ -620,6 +623,9 @@ int pnv_tce_xchg(struct iommu_table *tbl, long index, BUG_ON(*hpa & ~IOMMU_PAGE_MASK(tbl)); + if (newtce & TCE_PCI_WRITE) + newtce |= TCE_PCI_READ; + oldtce = xchg(pnv_tce(tbl, idx), cpu_to_be64(newtce)); *hpa = be64_to_cpu(oldtce) & ~(TCE_PCI_READ | TCE_PCI_WRITE); *direction = iommu_tce_direction(oldtce); @@ -760,6 +766,26 @@ void pnv_pci_dma_dev_setup(struct pci_dev *pdev) phb->dma_dev_setup(phb, pdev); } +void pnv_pci_dma_bus_setup(struct pci_bus *bus) +{ + struct pci_controller *hose = bus->sysdata; + struct pnv_phb *phb = hose->private_data; + struct pnv_ioda_pe *pe; + + list_for_each_entry(pe, &phb->ioda.pe_list, list) { + if (!(pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL))) + continue; + + if (!pe->pbus) + continue; + + if (bus->number == ((pe->rid >> 8) & 0xFF)) { + pe->pbus = bus; + break; + } + } +} + void pnv_pci_shutdown(void) { struct pci_controller *hose; diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 7f56313e8d72..00691a9b99af 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -242,6 +242,7 @@ extern void pnv_pci_reset_secondary_bus(struct pci_dev *dev); extern int pnv_eeh_phb_reset(struct pci_controller *hose, int option); extern void pnv_pci_dma_dev_setup(struct pci_dev *pdev); +extern void pnv_pci_dma_bus_setup(struct pci_bus *bus); extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type); extern void pnv_teardown_msi_irqs(struct pci_dev *pdev); diff --git a/arch/s390/include/asm/fpu/internal.h b/arch/s390/include/asm/fpu/internal.h index ea91ddfe54eb..629c90865a07 100644 --- a/arch/s390/include/asm/fpu/internal.h +++ b/arch/s390/include/asm/fpu/internal.h @@ -40,6 +40,7 @@ static inline void convert_fp_to_vx(__vector128 *vxrs, freg_t *fprs) static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu) { fpregs->pad = 0; + fpregs->fpc = fpu->fpc; if (MACHINE_HAS_VX) convert_vx_to_fp((freg_t *)&fpregs->fprs, fpu->vxrs); else @@ -49,6 +50,7 @@ static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu) static inline void fpregs_load(_s390_fp_regs *fpregs, struct fpu *fpu) { + fpu->fpc = fpregs->fpc; if (MACHINE_HAS_VX) convert_fp_to_vx(fpu->vxrs, (freg_t *)&fpregs->fprs); else diff --git a/arch/s390/include/asm/livepatch.h b/arch/s390/include/asm/livepatch.h index 7aa799134a11..a52b6cca873d 100644 --- a/arch/s390/include/asm/livepatch.h +++ b/arch/s390/include/asm/livepatch.h @@ -37,7 +37,7 @@ static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip) regs->psw.addr = ip; } #else -#error Live patching support is disabled; check CONFIG_LIVEPATCH +#error Include linux/livepatch.h, not asm/livepatch.h #endif #endif diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 66c94417c0ba..4af60374eba0 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -271,7 +271,7 @@ static int restore_sigregs_ext32(struct pt_regs *regs, /* Restore high gprs from signal stack */ if (__copy_from_user(&gprs_high, &sregs_ext->gprs_high, - sizeof(&sregs_ext->gprs_high))) + sizeof(sregs_ext->gprs_high))) return -EFAULT; for (i = 0; i < NUM_GPRS; i++) *(__u32 *)®s->gprs[i] = gprs_high[i]; diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c index cfcba2dd9bb5..0943b11a2f6e 100644 --- a/arch/s390/kernel/perf_event.c +++ b/arch/s390/kernel/perf_event.c @@ -260,12 +260,13 @@ static unsigned long __store_trace(struct perf_callchain_entry *entry, void perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs) { - unsigned long head; + unsigned long head, frame_size; struct stack_frame *head_sf; if (user_mode(regs)) return; + frame_size = STACK_FRAME_OVERHEAD + sizeof(struct pt_regs); head = regs->gprs[15]; head_sf = (struct stack_frame *) head; @@ -273,8 +274,9 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry, return; head = head_sf->back_chain; - head = __store_trace(entry, head, S390_lowcore.async_stack - ASYNC_SIZE, - S390_lowcore.async_stack); + head = __store_trace(entry, head, + S390_lowcore.async_stack + frame_size - ASYNC_SIZE, + S390_lowcore.async_stack + frame_size); __store_trace(entry, head, S390_lowcore.thread_info, S390_lowcore.thread_info + THREAD_SIZE); diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index 5acba3cb7220..8f64ebd63767 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -59,26 +59,32 @@ static unsigned long save_context_stack(struct stack_trace *trace, } } -void save_stack_trace(struct stack_trace *trace) +static void __save_stack_trace(struct stack_trace *trace, unsigned long sp) { - register unsigned long sp asm ("15"); - unsigned long orig_sp, new_sp; + unsigned long new_sp, frame_size; - orig_sp = sp; - new_sp = save_context_stack(trace, orig_sp, - S390_lowcore.panic_stack - PAGE_SIZE, - S390_lowcore.panic_stack, 1); - if (new_sp != orig_sp) - return; + frame_size = STACK_FRAME_OVERHEAD + sizeof(struct pt_regs); + new_sp = save_context_stack(trace, sp, + S390_lowcore.panic_stack + frame_size - PAGE_SIZE, + S390_lowcore.panic_stack + frame_size, 1); new_sp = save_context_stack(trace, new_sp, - S390_lowcore.async_stack - ASYNC_SIZE, - S390_lowcore.async_stack, 1); - if (new_sp != orig_sp) - return; + S390_lowcore.async_stack + frame_size - ASYNC_SIZE, + S390_lowcore.async_stack + frame_size, 1); save_context_stack(trace, new_sp, S390_lowcore.thread_info, S390_lowcore.thread_info + THREAD_SIZE, 1); } + +void save_stack_trace(struct stack_trace *trace) +{ + register unsigned long r15 asm ("15"); + unsigned long sp; + + sp = r15; + __save_stack_trace(trace, sp); + if (trace->nr_entries < trace->max_entries) + trace->entries[trace->nr_entries++] = ULONG_MAX; +} EXPORT_SYMBOL_GPL(save_stack_trace); void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) @@ -86,6 +92,10 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) unsigned long sp, low, high; sp = tsk->thread.ksp; + if (tsk == current) { + /* Get current stack pointer. */ + asm volatile("la %0,0(15)" : "=a" (sp)); + } low = (unsigned long) task_stack_page(tsk); high = (unsigned long) task_pt_regs(tsk); save_context_stack(trace, sp, low, high, 0); @@ -93,3 +103,14 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) trace->entries[trace->nr_entries++] = ULONG_MAX; } EXPORT_SYMBOL_GPL(save_stack_trace_tsk); + +void save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) +{ + unsigned long sp; + + sp = kernel_stack_pointer(regs); + __save_stack_trace(trace, sp); + if (trace->nr_entries < trace->max_entries) + trace->entries[trace->nr_entries++] = ULONG_MAX; +} +EXPORT_SYMBOL_GPL(save_stack_trace_regs); diff --git a/arch/s390/kernel/trace.c b/arch/s390/kernel/trace.c index 21a5df99552b..dde7654f5c68 100644 --- a/arch/s390/kernel/trace.c +++ b/arch/s390/kernel/trace.c @@ -18,6 +18,9 @@ void trace_s390_diagnose_norecursion(int diag_nr) unsigned long flags; unsigned int *depth; + /* Avoid lockdep recursion. */ + if (IS_ENABLED(CONFIG_LOCKDEP)) + return; local_irq_save(flags); depth = this_cpu_ptr(&diagnose_trace_depth); if (*depth == 0) { diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index fec59c067d0d..792f9c63fbca 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -93,15 +93,19 @@ static int __memcpy_real(void *dest, void *src, size_t count) */ int memcpy_real(void *dest, void *src, size_t count) { + int irqs_disabled, rc; unsigned long flags; - int rc; if (!count) return 0; - local_irq_save(flags); - __arch_local_irq_stnsm(0xfbUL); + flags = __arch_local_irq_stnsm(0xf8UL); + irqs_disabled = arch_irqs_disabled_flags(flags); + if (!irqs_disabled) + trace_hardirqs_off(); rc = __memcpy_real(dest, src, count); - local_irq_restore(flags); + if (!irqs_disabled) + trace_hardirqs_on(); + __arch_local_irq_ssm(flags); return rc; } diff --git a/arch/s390/oprofile/backtrace.c b/arch/s390/oprofile/backtrace.c index fe0bfe370c45..1884e1759529 100644 --- a/arch/s390/oprofile/backtrace.c +++ b/arch/s390/oprofile/backtrace.c @@ -54,12 +54,13 @@ __show_trace(unsigned int *depth, unsigned long sp, void s390_backtrace(struct pt_regs * const regs, unsigned int depth) { - unsigned long head; + unsigned long head, frame_size; struct stack_frame* head_sf; if (user_mode(regs)) return; + frame_size = STACK_FRAME_OVERHEAD + sizeof(struct pt_regs); head = regs->gprs[15]; head_sf = (struct stack_frame*)head; @@ -68,8 +69,9 @@ void s390_backtrace(struct pt_regs * const regs, unsigned int depth) head = head_sf->back_chain; - head = __show_trace(&depth, head, S390_lowcore.async_stack - ASYNC_SIZE, - S390_lowcore.async_stack); + head = __show_trace(&depth, head, + S390_lowcore.async_stack + frame_size - ASYNC_SIZE, + S390_lowcore.async_stack + frame_size); __show_trace(&depth, head, S390_lowcore.thread_info, S390_lowcore.thread_info + THREAD_SIZE); diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index eaee14637d93..8496a074bd0e 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -24,7 +24,13 @@ LDFLAGS := -m elf32_sparc export BITS := 32 UTS_MACHINE := sparc +# We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some +# versions of gcc. Some gcc versions won't pass -Av8 to binutils when you +# give -mcpu=v8. This silently worked with older bintutils versions but +# does not any more. KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 +KBUILD_CFLAGS += -Wa,-Av8 + KBUILD_AFLAGS += -m32 -Wa,-Av8 else diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index 1c26d440d288..b6de8b10a55b 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -422,8 +422,9 @@ #define __NR_listen 354 #define __NR_setsockopt 355 #define __NR_mlock2 356 +#define __NR_copy_file_range 357 -#define NR_syscalls 357 +#define NR_syscalls 358 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 33c02b15f478..a83707c83be8 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -948,7 +948,24 @@ linux_syscall_trace: cmp %o0, 0 bne 3f mov -ENOSYS, %o0 + + /* Syscall tracing can modify the registers. */ + ld [%sp + STACKFRAME_SZ + PT_G1], %g1 + sethi %hi(sys_call_table), %l7 + ld [%sp + STACKFRAME_SZ + PT_I0], %i0 + or %l7, %lo(sys_call_table), %l7 + ld [%sp + STACKFRAME_SZ + PT_I1], %i1 + ld [%sp + STACKFRAME_SZ + PT_I2], %i2 + ld [%sp + STACKFRAME_SZ + PT_I3], %i3 + ld [%sp + STACKFRAME_SZ + PT_I4], %i4 + ld [%sp + STACKFRAME_SZ + PT_I5], %i5 + cmp %g1, NR_syscalls + bgeu 3f + mov -ENOSYS, %o0 + + sll %g1, 2, %l4 mov %i0, %o0 + ld [%l7 + %l4], %l7 mov %i1, %o1 mov %i2, %o2 mov %i3, %o3 diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S index afbaba52d2f1..d127130bf424 100644 --- a/arch/sparc/kernel/hvcalls.S +++ b/arch/sparc/kernel/hvcalls.S @@ -338,8 +338,9 @@ ENTRY(sun4v_mach_set_watchdog) mov %o1, %o4 mov HV_FAST_MACH_SET_WATCHDOG, %o5 ta HV_FAST_TRAP + brnz,a,pn %o4, 0f stx %o1, [%o4] - retl +0: retl nop ENDPROC(sun4v_mach_set_watchdog) diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index d88beff47bab..39aaec173f66 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -52,7 +52,7 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs) unsigned char fenab; int err; - flush_user_windows(); + synchronize_user_stack(); if (get_thread_wsaved() || (((unsigned long)ucp) & (sizeof(unsigned long)-1)) || (!__access_ok(ucp, sizeof(*ucp)))) diff --git a/arch/sparc/kernel/sparc_ksyms_64.c b/arch/sparc/kernel/sparc_ksyms_64.c index a92d5d2c46a3..9e034f29dcc5 100644 --- a/arch/sparc/kernel/sparc_ksyms_64.c +++ b/arch/sparc/kernel/sparc_ksyms_64.c @@ -37,6 +37,7 @@ EXPORT_SYMBOL(sun4v_niagara_getperf); EXPORT_SYMBOL(sun4v_niagara_setperf); EXPORT_SYMBOL(sun4v_niagara2_getperf); EXPORT_SYMBOL(sun4v_niagara2_setperf); +EXPORT_SYMBOL(sun4v_mach_set_watchdog); /* from hweight.S */ EXPORT_SYMBOL(__arch_hweight8); diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index c690c8e16a96..b489e9759518 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -264,7 +264,7 @@ static unsigned long mmap_rnd(void) unsigned long rnd = 0UL; if (current->flags & PF_RANDOMIZE) { - unsigned long val = get_random_int(); + unsigned long val = get_random_long(); if (test_thread_flag(TIF_32BIT)) rnd = (val % (1UL << (23UL-PAGE_SHIFT))); else diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index bb0008927598..c4a1b5c40e4e 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -158,7 +158,25 @@ linux_syscall_trace32: add %sp, PTREGS_OFF, %o0 brnz,pn %o0, 3f mov -ENOSYS, %o0 + + /* Syscall tracing can modify the registers. */ + ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1 + sethi %hi(sys_call_table32), %l7 + ldx [%sp + PTREGS_OFF + PT_V9_I0], %i0 + or %l7, %lo(sys_call_table32), %l7 + ldx [%sp + PTREGS_OFF + PT_V9_I1], %i1 + ldx [%sp + PTREGS_OFF + PT_V9_I2], %i2 + ldx [%sp + PTREGS_OFF + PT_V9_I3], %i3 + ldx [%sp + PTREGS_OFF + PT_V9_I4], %i4 + ldx [%sp + PTREGS_OFF + PT_V9_I5], %i5 + + cmp %g1, NR_syscalls + bgeu,pn %xcc, 3f + mov -ENOSYS, %o0 + + sll %g1, 2, %l4 srl %i0, 0, %o0 + lduw [%l7 + %l4], %l7 srl %i4, 0, %o4 srl %i1, 0, %o1 srl %i2, 0, %o2 @@ -170,7 +188,25 @@ linux_syscall_trace: add %sp, PTREGS_OFF, %o0 brnz,pn %o0, 3f mov -ENOSYS, %o0 + + /* Syscall tracing can modify the registers. */ + ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1 + sethi %hi(sys_call_table64), %l7 + ldx [%sp + PTREGS_OFF + PT_V9_I0], %i0 + or %l7, %lo(sys_call_table64), %l7 + ldx [%sp + PTREGS_OFF + PT_V9_I1], %i1 + ldx [%sp + PTREGS_OFF + PT_V9_I2], %i2 + ldx [%sp + PTREGS_OFF + PT_V9_I3], %i3 + ldx [%sp + PTREGS_OFF + PT_V9_I4], %i4 + ldx [%sp + PTREGS_OFF + PT_V9_I5], %i5 + + cmp %g1, NR_syscalls + bgeu,pn %xcc, 3f + mov -ENOSYS, %o0 + + sll %g1, 2, %l4 mov %i0, %o0 + lduw [%l7 + %l4], %l7 mov %i1, %o1 mov %i2, %o2 mov %i3, %o3 diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index e663b6c78de2..6c3dd6c52f8b 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -88,4 +88,4 @@ sys_call_table: /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr /*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen -/*355*/ .long sys_setsockopt, sys_mlock2 +/*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 1557121f4cdc..12b524cfcfa0 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -89,7 +89,7 @@ sys_call_table32: /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen - .word compat_sys_setsockopt, sys_mlock2 + .word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range #endif /* CONFIG_COMPAT */ @@ -170,4 +170,4 @@ sys_call_table: /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen - .word sys_setsockopt, sys_mlock2 + .word sys_setsockopt, sys_mlock2, sys_copy_file_range diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h index e13d41c392ae..f878bec23576 100644 --- a/arch/um/include/asm/page.h +++ b/arch/um/include/asm/page.h @@ -34,21 +34,18 @@ struct page; #if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT) -typedef struct { unsigned long pte_low, pte_high; } pte_t; +typedef struct { unsigned long pte; } pte_t; typedef struct { unsigned long pmd; } pmd_t; typedef struct { unsigned long pgd; } pgd_t; -#define pte_val(x) ((x).pte_low | ((unsigned long long) (x).pte_high << 32)) - -#define pte_get_bits(pte, bits) ((pte).pte_low & (bits)) -#define pte_set_bits(pte, bits) ((pte).pte_low |= (bits)) -#define pte_clear_bits(pte, bits) ((pte).pte_low &= ~(bits)) -#define pte_copy(to, from) ({ (to).pte_high = (from).pte_high; \ - smp_wmb(); \ - (to).pte_low = (from).pte_low; }) -#define pte_is_zero(pte) (!((pte).pte_low & ~_PAGE_NEWPAGE) && !(pte).pte_high) -#define pte_set_val(pte, phys, prot) \ - ({ (pte).pte_high = (phys) >> 32; \ - (pte).pte_low = (phys) | pgprot_val(prot); }) +#define pte_val(p) ((p).pte) + +#define pte_get_bits(p, bits) ((p).pte & (bits)) +#define pte_set_bits(p, bits) ((p).pte |= (bits)) +#define pte_clear_bits(p, bits) ((p).pte &= ~(bits)) +#define pte_copy(to, from) ({ (to).pte = (from).pte; }) +#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE)) +#define pte_set_val(p, phys, prot) \ + ({ (p).pte = (phys) | pgprot_val(prot); }) #define pmd_val(x) ((x).pmd) #define __pmd(x) ((pmd_t) { (x) } ) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9af2e6338400..c46662f64c39 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -475,6 +475,7 @@ config X86_UV depends on X86_64 depends on X86_EXTENDED_PLATFORM depends on NUMA + depends on EFI depends on X86_X2APIC depends on PCI ---help--- @@ -777,8 +778,8 @@ config HPET_TIMER HPET is the next generation timer replacing legacy 8254s. The HPET provides a stable time base on SMP systems, unlike the TSC, but it is more expensive to access, - as it is off-chip. You can find the HPET spec at - <http://www.intel.com/hardwaredesign/hpetspec_1.pdf>. + as it is off-chip. The interface used is documented + in the HPET spec, revision 1. You can safely choose Y here. However, HPET will only be activated if the platform and the BIOS support this feature. diff --git a/arch/x86/crypto/chacha20-ssse3-x86_64.S b/arch/x86/crypto/chacha20-ssse3-x86_64.S index 712b13047b41..3a33124e9112 100644 --- a/arch/x86/crypto/chacha20-ssse3-x86_64.S +++ b/arch/x86/crypto/chacha20-ssse3-x86_64.S @@ -157,7 +157,9 @@ ENTRY(chacha20_4block_xor_ssse3) # done with the slightly better performing SSSE3 byte shuffling, # 7/12-bit word rotation uses traditional shift+OR. - sub $0x40,%rsp + mov %rsp,%r11 + sub $0x80,%rsp + and $~63,%rsp # x0..15[0-3] = s0..3[0..3] movq 0x00(%rdi),%xmm1 @@ -620,6 +622,6 @@ ENTRY(chacha20_4block_xor_ssse3) pxor %xmm1,%xmm15 movdqu %xmm15,0xf0(%rsi) - add $0x40,%rsp + mov %r11,%rsp ret ENDPROC(chacha20_4block_xor_ssse3) diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 77d8c5112900..bb3e376d0f33 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -294,6 +294,7 @@ sysenter_past_esp: pushl $__USER_DS /* pt_regs->ss */ pushl %ebp /* pt_regs->sp (stashed in bp) */ pushfl /* pt_regs->flags (except IF = 0) */ + ASM_CLAC /* Clear AC after saving FLAGS */ orl $X86_EFLAGS_IF, (%esp) /* Fix IF */ pushl $__USER_CS /* pt_regs->cs */ pushl $0 /* pt_regs->ip = 0 (placeholder) */ diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index ff1c6d61f332..3c990eeee40b 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -261,6 +261,7 @@ ENTRY(entry_INT80_compat) * Interrupts are off on entry. */ PARAVIRT_ADJUST_EXCEPTION_FRAME + ASM_CLAC /* Do this early to minimize exposure */ SWAPGS /* diff --git a/arch/x86/include/asm/livepatch.h b/arch/x86/include/asm/livepatch.h index 19c099afa861..e795f5274217 100644 --- a/arch/x86/include/asm/livepatch.h +++ b/arch/x86/include/asm/livepatch.h @@ -41,7 +41,7 @@ static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip) regs->ip = ip; } #else -#error Live patching support is disabled; check CONFIG_LIVEPATCH +#error Include linux/livepatch.h, not asm/livepatch.h #endif #endif /* _ASM_X86_LIVEPATCH_H */ diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h index 46873fbd44e1..d08eacd298c2 100644 --- a/arch/x86/include/asm/pci_x86.h +++ b/arch/x86/include/asm/pci_x86.h @@ -93,6 +93,8 @@ extern raw_spinlock_t pci_config_lock; extern int (*pcibios_enable_irq)(struct pci_dev *dev); extern void (*pcibios_disable_irq)(struct pci_dev *dev); +extern bool mp_should_keep_irq(struct device *dev); + struct pci_raw_ops { int (*read)(unsigned int domain, unsigned int bus, unsigned int devfn, int reg, int len, u32 *val); diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 2d5a50cb61a2..20c11d1aa4cc 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -766,7 +766,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); * Return saved PC of a blocked thread. * What is this good for? it will be always the scheduler or ret_from_fork. */ -#define thread_saved_pc(t) (*(unsigned long *)((t)->thread.sp - 8)) +#define thread_saved_pc(t) READ_ONCE_NOCHECK(*(unsigned long *)((t)->thread.sp - 8)) #define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) extern unsigned long KSTK_ESP(struct task_struct *task); diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h index f5dcb5204dcd..3fe0eac59462 100644 --- a/arch/x86/include/asm/uaccess_32.h +++ b/arch/x86/include/asm/uaccess_32.h @@ -48,20 +48,28 @@ __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) switch (n) { case 1: + __uaccess_begin(); __put_user_size(*(u8 *)from, (u8 __user *)to, 1, ret, 1); + __uaccess_end(); return ret; case 2: + __uaccess_begin(); __put_user_size(*(u16 *)from, (u16 __user *)to, 2, ret, 2); + __uaccess_end(); return ret; case 4: + __uaccess_begin(); __put_user_size(*(u32 *)from, (u32 __user *)to, 4, ret, 4); + __uaccess_end(); return ret; case 8: + __uaccess_begin(); __put_user_size(*(u64 *)from, (u64 __user *)to, 8, ret, 8); + __uaccess_end(); return ret; } } @@ -103,13 +111,19 @@ __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) switch (n) { case 1: + __uaccess_begin(); __get_user_size(*(u8 *)to, from, 1, ret, 1); + __uaccess_end(); return ret; case 2: + __uaccess_begin(); __get_user_size(*(u16 *)to, from, 2, ret, 2); + __uaccess_end(); return ret; case 4: + __uaccess_begin(); __get_user_size(*(u32 *)to, from, 4, ret, 4); + __uaccess_end(); return ret; } } @@ -148,13 +162,19 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) switch (n) { case 1: + __uaccess_begin(); __get_user_size(*(u8 *)to, from, 1, ret, 1); + __uaccess_end(); return ret; case 2: + __uaccess_begin(); __get_user_size(*(u16 *)to, from, 2, ret, 2); + __uaccess_end(); return ret; case 4: + __uaccess_begin(); __get_user_size(*(u32 *)to, from, 4, ret, 4); + __uaccess_end(); return ret; } } @@ -170,13 +190,19 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to, switch (n) { case 1: + __uaccess_begin(); __get_user_size(*(u8 *)to, from, 1, ret, 1); + __uaccess_end(); return ret; case 2: + __uaccess_begin(); __get_user_size(*(u16 *)to, from, 2, ret, 2); + __uaccess_end(); return ret; case 4: + __uaccess_begin(); __get_user_size(*(u32 *)to, from, 4, ret, 4); + __uaccess_end(); return ret; } } diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h index 968d57dd54c9..f320ee32d5a1 100644 --- a/arch/x86/include/asm/xen/pci.h +++ b/arch/x86/include/asm/xen/pci.h @@ -57,7 +57,7 @@ static inline int xen_pci_frontend_enable_msi(struct pci_dev *dev, { if (xen_pci_frontend && xen_pci_frontend->enable_msi) return xen_pci_frontend->enable_msi(dev, vectors); - return -ENODEV; + return -ENOSYS; } static inline void xen_pci_frontend_disable_msi(struct pci_dev *dev) { @@ -69,7 +69,7 @@ static inline int xen_pci_frontend_enable_msix(struct pci_dev *dev, { if (xen_pci_frontend && xen_pci_frontend->enable_msix) return xen_pci_frontend->enable_msix(dev, vectors, nvec); - return -ENODEV; + return -ENOSYS; } static inline void xen_pci_frontend_disable_msix(struct pci_dev *dev) { diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index d1daead5fcdd..adb3eaf8fe2a 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -16,6 +16,7 @@ #include <asm/cacheflush.h> #include <asm/realmode.h> +#include <linux/ftrace.h> #include "../../realmode/rm/wakeup.h" #include "sleep.h" @@ -107,7 +108,13 @@ int x86_acpi_suspend_lowlevel(void) saved_magic = 0x123456789abcdef0L; #endif /* CONFIG_64BIT */ + /* + * Pause/unpause graph tracing around do_suspend_lowlevel as it has + * inconsistent call/return info after it jumps to the wakeup vector. + */ + pause_graph_tracing(); do_suspend_lowlevel(); + unpause_graph_tracing(); return 0; } diff --git a/arch/x86/kernel/cpu/perf_event_amd_uncore.c b/arch/x86/kernel/cpu/perf_event_amd_uncore.c index 49742746a6c9..8836fc9fa84b 100644 --- a/arch/x86/kernel/cpu/perf_event_amd_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_amd_uncore.c @@ -323,6 +323,8 @@ static int amd_uncore_cpu_up_prepare(unsigned int cpu) return 0; fail: + if (amd_uncore_nb) + *per_cpu_ptr(amd_uncore_nb, cpu) = NULL; kfree(uncore_nb); return -ENOMEM; } diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 1505587d06e9..b9b09fec173b 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -650,10 +650,10 @@ static __always_inline int __linearize(struct x86_emulate_ctxt *ctxt, u16 sel; la = seg_base(ctxt, addr.seg) + addr.ea; - *linear = la; *max_size = 0; switch (mode) { case X86EMUL_MODE_PROT64: + *linear = la; if (is_noncanonical_address(la)) goto bad; @@ -662,6 +662,7 @@ static __always_inline int __linearize(struct x86_emulate_ctxt *ctxt, goto bad; break; default: + *linear = la = (u32)la; usable = ctxt->ops->get_segment(ctxt, &sel, &desc, NULL, addr.seg); if (!usable) @@ -689,7 +690,6 @@ static __always_inline int __linearize(struct x86_emulate_ctxt *ctxt, if (size > *max_size) goto bad; } - la &= (u32)-1; break; } if (insn_aligned(ctxt, size) && ((la & (size - 1)) != 0)) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 6c9fed957cce..2ce4f05e81d3 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -249,7 +249,7 @@ static int FNAME(update_accessed_dirty_bits)(struct kvm_vcpu *vcpu, return ret; kvm_vcpu_mark_page_dirty(vcpu, table_gfn); - walker->ptes[level] = pte; + walker->ptes[level - 1] = pte; } return 0; } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e2951b6edbbc..0ff453749a90 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -596,6 +596,8 @@ struct vcpu_vmx { /* Support for PML */ #define PML_ENTITY_NUM 512 struct page *pml_pg; + + u64 current_tsc_ratio; }; enum segment_cache_field { @@ -2127,14 +2129,16 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu) rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp); vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */ - /* Setup TSC multiplier */ - if (cpu_has_vmx_tsc_scaling()) - vmcs_write64(TSC_MULTIPLIER, - vcpu->arch.tsc_scaling_ratio); - vmx->loaded_vmcs->cpu = cpu; } + /* Setup TSC multiplier */ + if (kvm_has_tsc_control && + vmx->current_tsc_ratio != vcpu->arch.tsc_scaling_ratio) { + vmx->current_tsc_ratio = vcpu->arch.tsc_scaling_ratio; + vmcs_write64(TSC_MULTIPLIER, vmx->current_tsc_ratio); + } + vmx_vcpu_pi_load(vcpu, cpu); } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4244c2baf57d..eaf6ee8c28b8 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6618,12 +6618,12 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) * KVM_DEBUGREG_WONT_EXIT again. */ if (unlikely(vcpu->arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT)) { - int i; - WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP); kvm_x86_ops->sync_dirty_debug_regs(vcpu); - for (i = 0; i < KVM_NR_DB_REGS; i++) - vcpu->arch.eff_db[i] = vcpu->arch.db[i]; + kvm_update_dr0123(vcpu); + kvm_update_dr6(vcpu); + kvm_update_dr7(vcpu); + vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; } /* diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S index 982ce34f4a9b..27f89c79a44b 100644 --- a/arch/x86/lib/copy_user_64.S +++ b/arch/x86/lib/copy_user_64.S @@ -232,17 +232,31 @@ ENDPROC(copy_user_enhanced_fast_string) /* * copy_user_nocache - Uncached memory copy with exception handling - * This will force destination/source out of cache for more performance. + * This will force destination out of cache for more performance. + * + * Note: Cached memory copy is used when destination or size is not + * naturally aligned. That is: + * - Require 8-byte alignment when size is 8 bytes or larger. + * - Require 4-byte alignment when size is 4 bytes. */ ENTRY(__copy_user_nocache) ASM_STAC + + /* If size is less than 8 bytes, go to 4-byte copy */ cmpl $8,%edx - jb 20f /* less then 8 bytes, go to byte copy loop */ + jb .L_4b_nocache_copy_entry + + /* If destination is not 8-byte aligned, "cache" copy to align it */ ALIGN_DESTINATION + + /* Set 4x8-byte copy count and remainder */ movl %edx,%ecx andl $63,%edx shrl $6,%ecx - jz 17f + jz .L_8b_nocache_copy_entry /* jump if count is 0 */ + + /* Perform 4x8-byte nocache loop-copy */ +.L_4x8b_nocache_copy_loop: 1: movq (%rsi),%r8 2: movq 1*8(%rsi),%r9 3: movq 2*8(%rsi),%r10 @@ -262,60 +276,106 @@ ENTRY(__copy_user_nocache) leaq 64(%rsi),%rsi leaq 64(%rdi),%rdi decl %ecx - jnz 1b -17: movl %edx,%ecx + jnz .L_4x8b_nocache_copy_loop + + /* Set 8-byte copy count and remainder */ +.L_8b_nocache_copy_entry: + movl %edx,%ecx andl $7,%edx shrl $3,%ecx - jz 20f -18: movq (%rsi),%r8 -19: movnti %r8,(%rdi) + jz .L_4b_nocache_copy_entry /* jump if count is 0 */ + + /* Perform 8-byte nocache loop-copy */ +.L_8b_nocache_copy_loop: +20: movq (%rsi),%r8 +21: movnti %r8,(%rdi) leaq 8(%rsi),%rsi leaq 8(%rdi),%rdi decl %ecx - jnz 18b -20: andl %edx,%edx - jz 23f + jnz .L_8b_nocache_copy_loop + + /* If no byte left, we're done */ +.L_4b_nocache_copy_entry: + andl %edx,%edx + jz .L_finish_copy + + /* If destination is not 4-byte aligned, go to byte copy: */ + movl %edi,%ecx + andl $3,%ecx + jnz .L_1b_cache_copy_entry + + /* Set 4-byte copy count (1 or 0) and remainder */ movl %edx,%ecx -21: movb (%rsi),%al -22: movb %al,(%rdi) + andl $3,%edx + shrl $2,%ecx + jz .L_1b_cache_copy_entry /* jump if count is 0 */ + + /* Perform 4-byte nocache copy: */ +30: movl (%rsi),%r8d +31: movnti %r8d,(%rdi) + leaq 4(%rsi),%rsi + leaq 4(%rdi),%rdi + + /* If no bytes left, we're done: */ + andl %edx,%edx + jz .L_finish_copy + + /* Perform byte "cache" loop-copy for the remainder */ +.L_1b_cache_copy_entry: + movl %edx,%ecx +.L_1b_cache_copy_loop: +40: movb (%rsi),%al +41: movb %al,(%rdi) incq %rsi incq %rdi decl %ecx - jnz 21b -23: xorl %eax,%eax + jnz .L_1b_cache_copy_loop + + /* Finished copying; fence the prior stores */ +.L_finish_copy: + xorl %eax,%eax ASM_CLAC sfence ret .section .fixup,"ax" -30: shll $6,%ecx +.L_fixup_4x8b_copy: + shll $6,%ecx addl %ecx,%edx - jmp 60f -40: lea (%rdx,%rcx,8),%rdx - jmp 60f -50: movl %ecx,%edx -60: sfence + jmp .L_fixup_handle_tail +.L_fixup_8b_copy: + lea (%rdx,%rcx,8),%rdx + jmp .L_fixup_handle_tail +.L_fixup_4b_copy: + lea (%rdx,%rcx,4),%rdx + jmp .L_fixup_handle_tail +.L_fixup_1b_copy: + movl %ecx,%edx +.L_fixup_handle_tail: + sfence jmp copy_user_handle_tail .previous - _ASM_EXTABLE(1b,30b) - _ASM_EXTABLE(2b,30b) - _ASM_EXTABLE(3b,30b) - _ASM_EXTABLE(4b,30b) - _ASM_EXTABLE(5b,30b) - _ASM_EXTABLE(6b,30b) - _ASM_EXTABLE(7b,30b) - _ASM_EXTABLE(8b,30b) - _ASM_EXTABLE(9b,30b) - _ASM_EXTABLE(10b,30b) - _ASM_EXTABLE(11b,30b) - _ASM_EXTABLE(12b,30b) - _ASM_EXTABLE(13b,30b) - _ASM_EXTABLE(14b,30b) - _ASM_EXTABLE(15b,30b) - _ASM_EXTABLE(16b,30b) - _ASM_EXTABLE(18b,40b) - _ASM_EXTABLE(19b,40b) - _ASM_EXTABLE(21b,50b) - _ASM_EXTABLE(22b,50b) + _ASM_EXTABLE(1b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(2b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(3b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(4b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(5b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(6b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(7b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(8b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(9b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(10b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(11b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(12b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(13b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(14b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(15b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(16b,.L_fixup_4x8b_copy) + _ASM_EXTABLE(20b,.L_fixup_8b_copy) + _ASM_EXTABLE(21b,.L_fixup_8b_copy) + _ASM_EXTABLE(30b,.L_fixup_4b_copy) + _ASM_EXTABLE(31b,.L_fixup_4b_copy) + _ASM_EXTABLE(40b,.L_fixup_1b_copy) + _ASM_EXTABLE(41b,.L_fixup_1b_copy) ENDPROC(__copy_user_nocache) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index eef44d9a3f77..e830c71a1323 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -287,6 +287,9 @@ static noinline int vmalloc_fault(unsigned long address) if (!pmd_k) return -1; + if (pmd_huge(*pmd_k)) + return 0; + pte_k = pte_offset_kernel(pmd_k, address); if (!pte_present(*pte_k)) return -1; @@ -360,8 +363,6 @@ void vmalloc_sync_all(void) * 64-bit: * * Handle a fault on the vmalloc area - * - * This assumes no large pages in there. */ static noinline int vmalloc_fault(unsigned long address) { @@ -403,17 +404,23 @@ static noinline int vmalloc_fault(unsigned long address) if (pud_none(*pud_ref)) return -1; - if (pud_none(*pud) || pud_page_vaddr(*pud) != pud_page_vaddr(*pud_ref)) + if (pud_none(*pud) || pud_pfn(*pud) != pud_pfn(*pud_ref)) BUG(); + if (pud_huge(*pud)) + return 0; + pmd = pmd_offset(pud, address); pmd_ref = pmd_offset(pud_ref, address); if (pmd_none(*pmd_ref)) return -1; - if (pmd_none(*pmd) || pmd_page(*pmd) != pmd_page(*pmd_ref)) + if (pmd_none(*pmd) || pmd_pfn(*pmd) != pmd_pfn(*pmd_ref)) BUG(); + if (pmd_huge(*pmd)) + return 0; + pte_ref = pte_offset_kernel(pmd_ref, address); if (!pte_present(*pte_ref)) return -1; diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c index 6d5eb5900372..d8a798d8bf50 100644 --- a/arch/x86/mm/gup.c +++ b/arch/x86/mm/gup.c @@ -102,7 +102,6 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr, return 0; } - page = pte_page(pte); if (pte_devmap(pte)) { pgmap = get_dev_pagemap(pte_pfn(pte), pgmap); if (unlikely(!pgmap)) { @@ -115,6 +114,7 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr, return 0; } VM_BUG_ON(!pfn_valid(pte_pfn(pte))); + page = pte_page(pte); get_page(page); put_dev_pagemap(pgmap); SetPageReferenced(page); diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 42982b26e32b..740d7ac03a55 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -173,10 +173,10 @@ static __init int setup_hugepagesz(char *opt) } __setup("hugepagesz=", setup_hugepagesz); -#ifdef CONFIG_CMA +#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA) static __init int gigantic_pages_init(void) { - /* With CMA we can allocate gigantic pages at runtime */ + /* With compaction or CMA we can allocate gigantic pages at runtime */ if (cpu_has_gbpages && !size_to_hstate(1UL << PUD_SHIFT)) hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); return 0; diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index 96bd1e2bffaf..72bb52f93c3d 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -71,12 +71,12 @@ unsigned long arch_mmap_rnd(void) if (mmap_is_ia32()) #ifdef CONFIG_COMPAT - rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_compat_bits) - 1); + rnd = get_random_long() & ((1UL << mmap_rnd_compat_bits) - 1); #else - rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1); + rnd = get_random_long() & ((1UL << mmap_rnd_bits) - 1); #endif else - rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1); + rnd = get_random_long() & ((1UL << mmap_rnd_bits) - 1); return rnd << PAGE_SHIFT; } diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index b2fd67da1701..ef05755a1900 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -123,7 +123,7 @@ static int get_reg_offset(struct insn *insn, struct pt_regs *regs, break; } - if (regno > nr_registers) { + if (regno >= nr_registers) { WARN_ONCE(1, "decoded an instruction with an invalid register"); return -EINVAL; } diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index c3b3f653ed0c..d04f8094bc23 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -469,7 +469,7 @@ static void __init numa_clear_kernel_node_hotplug(void) { int i, nid; nodemask_t numa_kernel_nodes = NODE_MASK_NONE; - unsigned long start, end; + phys_addr_t start, end; struct memblock_region *r; /* diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 2440814b0069..9cf96d82147a 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -419,24 +419,30 @@ pmd_t *lookup_pmd_address(unsigned long address) phys_addr_t slow_virt_to_phys(void *__virt_addr) { unsigned long virt_addr = (unsigned long)__virt_addr; - unsigned long phys_addr, offset; + phys_addr_t phys_addr; + unsigned long offset; enum pg_level level; pte_t *pte; pte = lookup_address(virt_addr, &level); BUG_ON(!pte); + /* + * pXX_pfn() returns unsigned long, which must be cast to phys_addr_t + * before being left-shifted PAGE_SHIFT bits -- this trick is to + * make 32-PAE kernel work correctly. + */ switch (level) { case PG_LEVEL_1G: - phys_addr = pud_pfn(*(pud_t *)pte) << PAGE_SHIFT; + phys_addr = (phys_addr_t)pud_pfn(*(pud_t *)pte) << PAGE_SHIFT; offset = virt_addr & ~PUD_PAGE_MASK; break; case PG_LEVEL_2M: - phys_addr = pmd_pfn(*(pmd_t *)pte) << PAGE_SHIFT; + phys_addr = (phys_addr_t)pmd_pfn(*(pmd_t *)pte) << PAGE_SHIFT; offset = virt_addr & ~PMD_PAGE_MASK; break; default: - phys_addr = pte_pfn(*pte) << PAGE_SHIFT; + phys_addr = (phys_addr_t)pte_pfn(*pte) << PAGE_SHIFT; offset = virt_addr & ~PAGE_MASK; } diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 2879efc73a96..d34b5118b4e8 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -711,28 +711,22 @@ int pcibios_add_device(struct pci_dev *dev) return 0; } -int pcibios_alloc_irq(struct pci_dev *dev) +int pcibios_enable_device(struct pci_dev *dev, int mask) { - /* - * If the PCI device was already claimed by core code and has - * MSI enabled, probing of the pcibios IRQ will overwrite - * dev->irq. So bail out if MSI is already enabled. - */ - if (pci_dev_msi_enabled(dev)) - return -EBUSY; + int err; - return pcibios_enable_irq(dev); -} + if ((err = pci_enable_resources(dev, mask)) < 0) + return err; -void pcibios_free_irq(struct pci_dev *dev) -{ - if (pcibios_disable_irq) - pcibios_disable_irq(dev); + if (!pci_dev_msi_enabled(dev)) + return pcibios_enable_irq(dev); + return 0; } -int pcibios_enable_device(struct pci_dev *dev, int mask) +void pcibios_disable_device (struct pci_dev *dev) { - return pci_enable_resources(dev, mask); + if (!pci_dev_msi_enabled(dev) && pcibios_disable_irq) + pcibios_disable_irq(dev); } int pci_ext_cfg_avail(void) diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 0d24e7c10145..8b93e634af84 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -215,7 +215,7 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) int polarity; int ret; - if (pci_has_managed_irq(dev)) + if (dev->irq_managed && dev->irq > 0) return 0; switch (intel_mid_identify_cpu()) { @@ -256,13 +256,10 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) static void intel_mid_pci_irq_disable(struct pci_dev *dev) { - if (pci_has_managed_irq(dev)) { + if (!mp_should_keep_irq(&dev->dev) && dev->irq_managed && + dev->irq > 0) { mp_unmap_irq(dev->irq); dev->irq_managed = 0; - /* - * Don't reset dev->irq here, otherwise - * intel_mid_pci_irq_enable() will fail on next call. - */ } } diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 32e70343e6fd..9bd115484745 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -1202,7 +1202,7 @@ static int pirq_enable_irq(struct pci_dev *dev) struct pci_dev *temp_dev; int irq; - if (pci_has_managed_irq(dev)) + if (dev->irq_managed && dev->irq > 0) return 0; irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, @@ -1230,7 +1230,8 @@ static int pirq_enable_irq(struct pci_dev *dev) } dev = temp_dev; if (irq >= 0) { - pci_set_managed_irq(dev, irq); + dev->irq_managed = 1; + dev->irq = irq; dev_info(&dev->dev, "PCI->APIC IRQ transform: " "INT %c -> IRQ %d\n", 'A' + pin - 1, irq); return 0; @@ -1256,10 +1257,24 @@ static int pirq_enable_irq(struct pci_dev *dev) return 0; } +bool mp_should_keep_irq(struct device *dev) +{ + if (dev->power.is_prepared) + return true; +#ifdef CONFIG_PM + if (dev->power.runtime_status == RPM_SUSPENDING) + return true; +#endif + + return false; +} + static void pirq_disable_irq(struct pci_dev *dev) { - if (io_apic_assign_pci_irqs && pci_has_managed_irq(dev)) { + if (io_apic_assign_pci_irqs && !mp_should_keep_irq(&dev->dev) && + dev->irq_managed && dev->irq) { mp_unmap_irq(dev->irq); - pci_reset_managed_irq(dev); + dev->irq = 0; + dev->irq_managed = 0; } } diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index ff31ab464213..beac4dfdade6 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -196,7 +196,10 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) return 0; error: - dev_err(&dev->dev, "Xen PCI frontend has not registered MSI/MSI-X support!\n"); + if (ret == -ENOSYS) + dev_err(&dev->dev, "Xen PCI frontend has not registered MSI/MSI-X support!\n"); + else if (ret) + dev_err(&dev->dev, "Xen PCI frontend error: %d!\n", ret); free: kfree(v); return ret; diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c index c61b6c332e97..bfadcd0f4944 100644 --- a/arch/x86/platform/intel-quark/imr.c +++ b/arch/x86/platform/intel-quark/imr.c @@ -592,14 +592,14 @@ static void __init imr_fixup_memmap(struct imr_device *idev) end = (unsigned long)__end_rodata - 1; /* - * Setup a locked IMR around the physical extent of the kernel + * Setup an unlocked IMR around the physical extent of the kernel * from the beginning of the .text secton to the end of the * .rodata section as one physically contiguous block. * * We don't round up @size since it is already PAGE_SIZE aligned. * See vmlinux.lds.S for details. */ - ret = imr_add_range(base, size, IMR_CPU, IMR_CPU, true); + ret = imr_add_range(base, size, IMR_CPU, IMR_CPU, false); if (ret < 0) { pr_err("unable to setup IMR for kernel: %zu KiB (%lx - %lx)\n", size / 1024, start, end); diff --git a/block/Kconfig b/block/Kconfig index 161491d0a879..0363cd731320 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -88,6 +88,19 @@ config BLK_DEV_INTEGRITY T10/SCSI Data Integrity Field or the T13/ATA External Path Protection. If in doubt, say N. +config BLK_DEV_DAX + bool "Block device DAX support" + depends on FS_DAX + depends on BROKEN + help + When DAX support is available (CONFIG_FS_DAX) raw block + devices can also support direct userspace access to the + storage capacity via MMAP(2) similar to a file on a + DAX-enabled filesystem. However, the DAX I/O-path disables + some standard I/O-statistics, and the MMAP(2) path has some + operational differences due to bypassing the page + cache. If in doubt, say N. + config BLK_DEV_THROTTLING bool "Block layer bio throttling support" depends on BLK_CGROUP=y diff --git a/block/bio.c b/block/bio.c index dbabd48b1934..cf7591551b17 100644 --- a/block/bio.c +++ b/block/bio.c @@ -874,7 +874,7 @@ int submit_bio_wait(int rw, struct bio *bio) bio->bi_private = &ret; bio->bi_end_io = submit_bio_wait_endio; submit_bio(rw, bio); - wait_for_completion(&ret.event); + wait_for_completion_io(&ret.event); return ret.error; } @@ -1090,9 +1090,12 @@ int bio_uncopy_user(struct bio *bio) if (!bio_flagged(bio, BIO_NULL_MAPPED)) { /* * if we're in a workqueue, the request is orphaned, so - * don't copy into a random user address space, just free. + * don't copy into a random user address space, just free + * and return -EINTR so user space doesn't expect any data. */ - if (current->mm && bio_data_dir(bio) == READ) + if (!current->mm) + ret = -EINTR; + else if (bio_data_dir(bio) == READ) ret = bio_copy_to_iter(bio, bmd->iter); if (bmd->is_our_pages) bio_free_pages(bio); diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 5a37188b559f..66e6f1aae02e 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -788,6 +788,7 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, { struct gendisk *disk; struct blkcg_gq *blkg; + struct module *owner; unsigned int major, minor; int key_len, part, ret; char *body; @@ -804,7 +805,9 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, if (!disk) return -ENODEV; if (part) { + owner = disk->fops->owner; put_disk(disk); + module_put(owner); return -ENODEV; } @@ -820,7 +823,9 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, ret = PTR_ERR(blkg); rcu_read_unlock(); spin_unlock_irq(disk->queue->queue_lock); + owner = disk->fops->owner; put_disk(disk); + module_put(owner); /* * If queue was bypassing, we should retry. Do so after a * short msleep(). It isn't strictly necessary but queue @@ -851,9 +856,13 @@ EXPORT_SYMBOL_GPL(blkg_conf_prep); void blkg_conf_finish(struct blkg_conf_ctx *ctx) __releases(ctx->disk->queue->queue_lock) __releases(rcu) { + struct module *owner; + spin_unlock_irq(ctx->disk->queue->queue_lock); rcu_read_unlock(); + owner = ctx->disk->fops->owner; put_disk(ctx->disk); + module_put(owner); } EXPORT_SYMBOL_GPL(blkg_conf_finish); diff --git a/block/blk-core.c b/block/blk-core.c index ab51685988c2..b83d29755b5a 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2455,14 +2455,16 @@ struct request *blk_peek_request(struct request_queue *q) rq = NULL; break; - } else if (ret == BLKPREP_KILL) { + } else if (ret == BLKPREP_KILL || ret == BLKPREP_INVALID) { + int err = (ret == BLKPREP_INVALID) ? -EREMOTEIO : -EIO; + rq->cmd_flags |= REQ_QUIET; /* * Mark this request as started so we don't trigger * any debug logic in the end I/O path. */ blk_start_request(rq); - __blk_end_request_all(rq, -EIO); + __blk_end_request_all(rq, err); } else { printk(KERN_ERR "%s: bad return=%d\n", __func__, ret); break; diff --git a/block/blk-mq.c b/block/blk-mq.c index 4c0622fae413..56c0a726b619 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -599,8 +599,10 @@ static void blk_mq_check_expired(struct blk_mq_hw_ctx *hctx, * If a request wasn't started before the queue was * marked dying, kill it here or it'll go unnoticed. */ - if (unlikely(blk_queue_dying(rq->q))) - blk_mq_complete_request(rq, -EIO); + if (unlikely(blk_queue_dying(rq->q))) { + rq->errors = -EIO; + blk_mq_end_request(rq, rq->errors); + } return; } diff --git a/block/blk-settings.c b/block/blk-settings.c index dd4973583978..c7bb666aafd1 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -91,8 +91,8 @@ void blk_set_default_limits(struct queue_limits *lim) lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; lim->virt_boundary_mask = 0; lim->max_segment_size = BLK_MAX_SEGMENT_SIZE; - lim->max_sectors = lim->max_dev_sectors = lim->max_hw_sectors = - BLK_SAFE_MAX_SECTORS; + lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; + lim->max_dev_sectors = 0; lim->chunk_sectors = 0; lim->max_write_same_sectors = 0; lim->max_discard_sectors = 0; diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index e140cc487ce1..dd93763057ce 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -147,10 +147,9 @@ static ssize_t queue_discard_granularity_show(struct request_queue *q, char *pag static ssize_t queue_discard_max_hw_show(struct request_queue *q, char *page) { - unsigned long long val; - val = q->limits.max_hw_discard_sectors << 9; - return sprintf(page, "%llu\n", val); + return sprintf(page, "%llu\n", + (unsigned long long)q->limits.max_hw_discard_sectors << 9); } static ssize_t queue_discard_max_show(struct request_queue *q, char *page) diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c index a753df2b3fc2..d0dd7882d8c7 100644 --- a/block/deadline-iosched.c +++ b/block/deadline-iosched.c @@ -39,7 +39,6 @@ struct deadline_data { */ struct request *next_rq[2]; unsigned int batching; /* number of sequential requests made */ - sector_t last_sector; /* head position */ unsigned int starved; /* times reads have starved writes */ /* @@ -210,8 +209,6 @@ deadline_move_request(struct deadline_data *dd, struct request *rq) dd->next_rq[WRITE] = NULL; dd->next_rq[data_dir] = deadline_latter_request(rq); - dd->last_sector = rq_end_sector(rq); - /* * take it off the sort and fifo list, move * to dispatch queue diff --git a/block/ioctl.c b/block/ioctl.c index 77f5d17779d6..d8996bbd7f12 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -434,42 +434,6 @@ bool blkdev_dax_capable(struct block_device *bdev) return true; } - -static int blkdev_daxset(struct block_device *bdev, unsigned long argp) -{ - unsigned long arg; - int rc = 0; - - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - - if (get_user(arg, (int __user *)(argp))) - return -EFAULT; - arg = !!arg; - if (arg == !!(bdev->bd_inode->i_flags & S_DAX)) - return 0; - - if (arg) - arg = S_DAX; - - if (arg && !blkdev_dax_capable(bdev)) - return -ENOTTY; - - inode_lock(bdev->bd_inode); - if (bdev->bd_map_count == 0) - inode_set_flags(bdev->bd_inode, arg, S_DAX); - else - rc = -EBUSY; - inode_unlock(bdev->bd_inode); - return rc; -} -#else -static int blkdev_daxset(struct block_device *bdev, int arg) -{ - if (arg) - return -ENOTTY; - return 0; -} #endif static int blkdev_flushbuf(struct block_device *bdev, fmode_t mode, @@ -634,8 +598,6 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, case BLKTRACESETUP: case BLKTRACETEARDOWN: return blk_trace_ioctl(bdev, cmd, argp); - case BLKDAXSET: - return blkdev_daxset(bdev, arg); case BLKDAXGET: return put_int(arg, !!(bdev->bd_inode->i_flags & S_DAX)); break; diff --git a/block/partition-generic.c b/block/partition-generic.c index 746935a5973c..fefd01b496a0 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -16,6 +16,7 @@ #include <linux/kmod.h> #include <linux/ctype.h> #include <linux/genhd.h> +#include <linux/dax.h> #include <linux/blktrace_api.h> #include "partitions/check.h" @@ -550,13 +551,24 @@ int invalidate_partitions(struct gendisk *disk, struct block_device *bdev) return 0; } -unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p) +static struct page *read_pagecache_sector(struct block_device *bdev, sector_t n) { struct address_space *mapping = bdev->bd_inode->i_mapping; + + return read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)), + NULL); +} + +unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p) +{ struct page *page; - page = read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)), - NULL); + /* don't populate page cache for dax capable devices */ + if (IS_DAX(bdev->bd_inode)) + page = read_dax_sector(bdev, n); + else + page = read_pagecache_sector(bdev, n); + if (!IS_ERR(page)) { if (PageError(page)) goto fail; diff --git a/crypto/Kconfig b/crypto/Kconfig index 7240821137fd..3be07ad1d80d 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -472,11 +472,13 @@ config CRYPTO_CRCT10DIF_PCLMUL config CRYPTO_GHASH tristate "GHASH digest algorithm" select CRYPTO_GF128MUL + select CRYPTO_HASH help GHASH is message digest algorithm for GCM (Galois/Counter Mode). config CRYPTO_POLY1305 tristate "Poly1305 authenticator algorithm" + select CRYPTO_HASH help Poly1305 authenticator algorithm, RFC7539. diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 608a7562839d..68a5ceaa04c8 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -54,7 +54,8 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, lock_sock(sk); if (!ctx->more) { - err = crypto_ahash_init(&ctx->req); + err = af_alg_wait_for_completion(crypto_ahash_init(&ctx->req), + &ctx->completion); if (err) goto unlock; } @@ -125,6 +126,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, } else { if (!ctx->more) { err = crypto_ahash_init(&ctx->req); + err = af_alg_wait_for_completion(err, &ctx->completion); if (err) goto unlock; } diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 38c1aa89d3a0..28556fce4267 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -65,18 +65,10 @@ struct skcipher_async_req { struct skcipher_async_rsgl first_sgl; struct list_head list; struct scatterlist *tsg; - char iv[]; + atomic_t *inflight; + struct skcipher_request req; }; -#define GET_SREQ(areq, ctx) (struct skcipher_async_req *)((char *)areq + \ - crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req))) - -#define GET_REQ_SIZE(ctx) \ - crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req)) - -#define GET_IV_SIZE(ctx) \ - crypto_skcipher_ivsize(crypto_skcipher_reqtfm(&ctx->req)) - #define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \ sizeof(struct scatterlist) - 1) @@ -102,15 +94,12 @@ static void skcipher_free_async_sgls(struct skcipher_async_req *sreq) static void skcipher_async_cb(struct crypto_async_request *req, int err) { - struct sock *sk = req->data; - struct alg_sock *ask = alg_sk(sk); - struct skcipher_ctx *ctx = ask->private; - struct skcipher_async_req *sreq = GET_SREQ(req, ctx); + struct skcipher_async_req *sreq = req->data; struct kiocb *iocb = sreq->iocb; - atomic_dec(&ctx->inflight); + atomic_dec(sreq->inflight); skcipher_free_async_sgls(sreq); - kfree(req); + kzfree(sreq); iocb->ki_complete(iocb, err, err); } @@ -306,8 +295,11 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg, { struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); + struct sock *psk = ask->parent; + struct alg_sock *pask = alg_sk(psk); struct skcipher_ctx *ctx = ask->private; - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req); + struct skcipher_tfm *skc = pask->private; + struct crypto_skcipher *tfm = skc->skcipher; unsigned ivsize = crypto_skcipher_ivsize(tfm); struct skcipher_sg_list *sgl; struct af_alg_control con = {}; @@ -509,37 +501,43 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg, { struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); + struct sock *psk = ask->parent; + struct alg_sock *pask = alg_sk(psk); struct skcipher_ctx *ctx = ask->private; + struct skcipher_tfm *skc = pask->private; + struct crypto_skcipher *tfm = skc->skcipher; struct skcipher_sg_list *sgl; struct scatterlist *sg; struct skcipher_async_req *sreq; struct skcipher_request *req; struct skcipher_async_rsgl *last_rsgl = NULL; - unsigned int txbufs = 0, len = 0, tx_nents = skcipher_all_sg_nents(ctx); - unsigned int reqlen = sizeof(struct skcipher_async_req) + - GET_REQ_SIZE(ctx) + GET_IV_SIZE(ctx); + unsigned int txbufs = 0, len = 0, tx_nents; + unsigned int reqsize = crypto_skcipher_reqsize(tfm); + unsigned int ivsize = crypto_skcipher_ivsize(tfm); int err = -ENOMEM; bool mark = false; + char *iv; - lock_sock(sk); - req = kmalloc(reqlen, GFP_KERNEL); - if (unlikely(!req)) - goto unlock; + sreq = kzalloc(sizeof(*sreq) + reqsize + ivsize, GFP_KERNEL); + if (unlikely(!sreq)) + goto out; - sreq = GET_SREQ(req, ctx); + req = &sreq->req; + iv = (char *)(req + 1) + reqsize; sreq->iocb = msg->msg_iocb; - memset(&sreq->first_sgl, '\0', sizeof(struct skcipher_async_rsgl)); INIT_LIST_HEAD(&sreq->list); + sreq->inflight = &ctx->inflight; + + lock_sock(sk); + tx_nents = skcipher_all_sg_nents(ctx); sreq->tsg = kcalloc(tx_nents, sizeof(*sg), GFP_KERNEL); - if (unlikely(!sreq->tsg)) { - kfree(req); + if (unlikely(!sreq->tsg)) goto unlock; - } sg_init_table(sreq->tsg, tx_nents); - memcpy(sreq->iv, ctx->iv, GET_IV_SIZE(ctx)); - skcipher_request_set_tfm(req, crypto_skcipher_reqtfm(&ctx->req)); - skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - skcipher_async_cb, sk); + memcpy(iv, ctx->iv, ivsize); + skcipher_request_set_tfm(req, tfm); + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, + skcipher_async_cb, sreq); while (iov_iter_count(&msg->msg_iter)) { struct skcipher_async_rsgl *rsgl; @@ -615,20 +613,22 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg, sg_mark_end(sreq->tsg + txbufs - 1); skcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg, - len, sreq->iv); + len, iv); err = ctx->enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req); if (err == -EINPROGRESS) { atomic_inc(&ctx->inflight); err = -EIOCBQUEUED; + sreq = NULL; goto unlock; } free: skcipher_free_async_sgls(sreq); - kfree(req); unlock: skcipher_wmem_wakeup(sk); release_sock(sk); + kzfree(sreq); +out: return err; } @@ -637,9 +637,12 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg, { struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); + struct sock *psk = ask->parent; + struct alg_sock *pask = alg_sk(psk); struct skcipher_ctx *ctx = ask->private; - unsigned bs = crypto_skcipher_blocksize(crypto_skcipher_reqtfm( - &ctx->req)); + struct skcipher_tfm *skc = pask->private; + struct crypto_skcipher *tfm = skc->skcipher; + unsigned bs = crypto_skcipher_blocksize(tfm); struct skcipher_sg_list *sgl; struct scatterlist *sg; int err = -EAGAIN; @@ -947,7 +950,8 @@ static int skcipher_accept_parent_nokey(void *private, struct sock *sk) ask->private = ctx; skcipher_request_set_tfm(&ctx->req, skcipher); - skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG, + skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_SLEEP | + CRYPTO_TFM_REQ_MAY_BACKLOG, af_alg_complete, &ctx->completion); sk->sk_destruct = skcipher_sock_destruct; diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c index 758acabf2d81..8f3056cd0399 100644 --- a/crypto/asymmetric_keys/pkcs7_parser.c +++ b/crypto/asymmetric_keys/pkcs7_parser.c @@ -547,9 +547,7 @@ int pkcs7_sig_note_set_of_authattrs(void *context, size_t hdrlen, struct pkcs7_signed_info *sinfo = ctx->sinfo; if (!test_bit(sinfo_has_content_type, &sinfo->aa_set) || - !test_bit(sinfo_has_message_digest, &sinfo->aa_set) || - (ctx->msg->data_type == OID_msIndirectData && - !test_bit(sinfo_has_ms_opus_info, &sinfo->aa_set))) { + !test_bit(sinfo_has_message_digest, &sinfo->aa_set)) { pr_warn("Missing required AuthAttr\n"); return -EBADMSG; } diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index 237f3795cfaa..43fe85f20d57 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -499,6 +499,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if (link->dump == NULL) return -EINVAL; + down_read(&crypto_alg_sem); list_for_each_entry(alg, &crypto_alg_list, cra_list) dump_alloc += CRYPTO_REPORT_MAXSIZE; @@ -508,8 +509,11 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) .done = link->done, .min_dump_alloc = dump_alloc, }; - return netlink_dump_start(crypto_nlsk, skb, nlh, &c); + err = netlink_dump_start(crypto_nlsk, skb, nlh, &c); } + up_read(&crypto_alg_sem); + + return err; } err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX, diff --git a/crypto/shash.c b/crypto/shash.c index 88a27de79848..359754591653 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -354,11 +354,10 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm) crt->final = shash_async_final; crt->finup = shash_async_finup; crt->digest = shash_async_digest; + crt->setkey = shash_async_setkey; + + crt->has_setkey = alg->setkey != shash_no_setkey; - if (alg->setkey) { - crt->setkey = shash_async_setkey; - crt->has_setkey = true; - } if (alg->export) crt->export = shash_async_export; if (alg->import) diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index c570b1d9f094..0872d5fecb82 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -880,7 +880,7 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, break; case BUS_NOTIFY_DRIVER_NOT_BOUND: case BUS_NOTIFY_UNBOUND_DRIVER: - pdev->dev.pm_domain = NULL; + dev_pm_domain_set(&pdev->dev, NULL); break; case BUS_NOTIFY_ADD_DEVICE: dev_pm_domain_set(&pdev->dev, &acpi_lpss_pm_domain); diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index ad6d8c6b777e..fb53db187854 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -469,37 +469,16 @@ static void nfit_mem_find_spa_bdw(struct acpi_nfit_desc *acpi_desc, nfit_mem->bdw = NULL; } -static int nfit_mem_add(struct acpi_nfit_desc *acpi_desc, +static void nfit_mem_init_bdw(struct acpi_nfit_desc *acpi_desc, struct nfit_mem *nfit_mem, struct acpi_nfit_system_address *spa) { u16 dcr = __to_nfit_memdev(nfit_mem)->region_index; struct nfit_memdev *nfit_memdev; struct nfit_flush *nfit_flush; - struct nfit_dcr *nfit_dcr; struct nfit_bdw *nfit_bdw; struct nfit_idt *nfit_idt; u16 idt_idx, range_index; - list_for_each_entry(nfit_dcr, &acpi_desc->dcrs, list) { - if (nfit_dcr->dcr->region_index != dcr) - continue; - nfit_mem->dcr = nfit_dcr->dcr; - break; - } - - if (!nfit_mem->dcr) { - dev_dbg(acpi_desc->dev, "SPA %d missing:%s%s\n", - spa->range_index, __to_nfit_memdev(nfit_mem) - ? "" : " MEMDEV", nfit_mem->dcr ? "" : " DCR"); - return -ENODEV; - } - - /* - * We've found enough to create an nvdimm, optionally - * find an associated BDW - */ - list_add(&nfit_mem->list, &acpi_desc->dimms); - list_for_each_entry(nfit_bdw, &acpi_desc->bdws, list) { if (nfit_bdw->bdw->region_index != dcr) continue; @@ -508,12 +487,12 @@ static int nfit_mem_add(struct acpi_nfit_desc *acpi_desc, } if (!nfit_mem->bdw) - return 0; + return; nfit_mem_find_spa_bdw(acpi_desc, nfit_mem); if (!nfit_mem->spa_bdw) - return 0; + return; range_index = nfit_mem->spa_bdw->range_index; list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) { @@ -538,8 +517,6 @@ static int nfit_mem_add(struct acpi_nfit_desc *acpi_desc, } break; } - - return 0; } static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, @@ -548,7 +525,6 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, struct nfit_mem *nfit_mem, *found; struct nfit_memdev *nfit_memdev; int type = nfit_spa_type(spa); - u16 dcr; switch (type) { case NFIT_SPA_DCR: @@ -559,14 +535,18 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, } list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) { - int rc; + struct nfit_dcr *nfit_dcr; + u32 device_handle; + u16 dcr; if (nfit_memdev->memdev->range_index != spa->range_index) continue; found = NULL; dcr = nfit_memdev->memdev->region_index; + device_handle = nfit_memdev->memdev->device_handle; list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) - if (__to_nfit_memdev(nfit_mem)->region_index == dcr) { + if (__to_nfit_memdev(nfit_mem)->device_handle + == device_handle) { found = nfit_mem; break; } @@ -579,6 +559,31 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, if (!nfit_mem) return -ENOMEM; INIT_LIST_HEAD(&nfit_mem->list); + list_add(&nfit_mem->list, &acpi_desc->dimms); + } + + list_for_each_entry(nfit_dcr, &acpi_desc->dcrs, list) { + if (nfit_dcr->dcr->region_index != dcr) + continue; + /* + * Record the control region for the dimm. For + * the ACPI 6.1 case, where there are separate + * control regions for the pmem vs blk + * interfaces, be sure to record the extended + * blk details. + */ + if (!nfit_mem->dcr) + nfit_mem->dcr = nfit_dcr->dcr; + else if (nfit_mem->dcr->windows == 0 + && nfit_dcr->dcr->windows) + nfit_mem->dcr = nfit_dcr->dcr; + break; + } + + if (dcr && !nfit_mem->dcr) { + dev_err(acpi_desc->dev, "SPA %d missing DCR %d\n", + spa->range_index, dcr); + return -ENODEV; } if (type == NFIT_SPA_DCR) { @@ -595,6 +600,7 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, nfit_mem->idt_dcr = nfit_idt->idt; break; } + nfit_mem_init_bdw(acpi_desc, nfit_mem, spa); } else { /* * A single dimm may belong to multiple SPA-PM @@ -603,13 +609,6 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, */ nfit_mem->memdev_pmem = nfit_memdev->memdev; } - - if (found) - continue; - - rc = nfit_mem_add(acpi_desc, nfit_mem, spa); - if (rc) - return rc; } return 0; @@ -1504,9 +1503,7 @@ static int ars_do_start(struct nvdimm_bus_descriptor *nd_desc, case 1: /* ARS unsupported, but we should never get here */ return 0; - case 2: - return -EINVAL; - case 3: + case 6: /* ARS is in progress */ msleep(1000); break; @@ -1517,13 +1514,13 @@ static int ars_do_start(struct nvdimm_bus_descriptor *nd_desc, } static int ars_get_status(struct nvdimm_bus_descriptor *nd_desc, - struct nd_cmd_ars_status *cmd) + struct nd_cmd_ars_status *cmd, u32 size) { int rc; while (1) { rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_ARS_STATUS, cmd, - sizeof(*cmd)); + size); if (rc || cmd->status & 0xffff) return -ENXIO; @@ -1538,6 +1535,8 @@ static int ars_get_status(struct nvdimm_bus_descriptor *nd_desc, case 2: /* No ARS performed for the current boot */ return 0; + case 3: + /* TODO: error list overflow support */ default: return -ENXIO; } @@ -1581,6 +1580,7 @@ static int acpi_nfit_find_poison(struct acpi_nfit_desc *acpi_desc, struct nd_cmd_ars_start *ars_start = NULL; struct nd_cmd_ars_cap *ars_cap = NULL; u64 start, len, cur, remaining; + u32 ars_status_size; int rc; ars_cap = kzalloc(sizeof(*ars_cap), GFP_KERNEL); @@ -1610,14 +1610,14 @@ static int acpi_nfit_find_poison(struct acpi_nfit_desc *acpi_desc, * Check if a full-range ARS has been run. If so, use those results * without having to start a new ARS. */ - ars_status = kzalloc(ars_cap->max_ars_out + sizeof(*ars_status), - GFP_KERNEL); + ars_status_size = ars_cap->max_ars_out; + ars_status = kzalloc(ars_status_size, GFP_KERNEL); if (!ars_status) { rc = -ENOMEM; goto out; } - rc = ars_get_status(nd_desc, ars_status); + rc = ars_get_status(nd_desc, ars_status, ars_status_size); if (rc) goto out; @@ -1647,7 +1647,7 @@ static int acpi_nfit_find_poison(struct acpi_nfit_desc *acpi_desc, if (rc) goto out; - rc = ars_get_status(nd_desc, ars_status); + rc = ars_get_status(nd_desc, ars_status, ars_status_size); if (rc) goto out; diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index d30184c7f3bc..c8e169e46673 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -406,7 +406,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) return 0; } - if (pci_has_managed_irq(dev)) + if (dev->irq_managed && dev->irq > 0) return 0; entry = acpi_pci_irq_lookup(dev, pin); @@ -451,7 +451,8 @@ int acpi_pci_irq_enable(struct pci_dev *dev) kfree(entry); return rc; } - pci_set_managed_irq(dev, rc); + dev->irq = rc; + dev->irq_managed = 1; if (link) snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link); @@ -474,9 +475,17 @@ void acpi_pci_irq_disable(struct pci_dev *dev) u8 pin; pin = dev->pin; - if (!pin || !pci_has_managed_irq(dev)) + if (!pin || !dev->irq_managed || dev->irq <= 0) return; + /* Keep IOAPIC pin configuration when suspending */ + if (dev->dev.power.is_prepared) + return; +#ifdef CONFIG_PM + if (dev->dev.power.runtime_status == RPM_SUSPENDING) + return; +#endif + entry = acpi_pci_irq_lookup(dev, pin); if (!entry) return; @@ -496,6 +505,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev) dev_dbg(&dev->dev, "PCI INT %c disabled\n", pin_name(pin)); if (gsi >= 0) { acpi_unregister_gsi(gsi); - pci_reset_managed_irq(dev); + dev->irq_managed = 0; } } diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index fa2863567eed..ededa909df2f 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -4,7 +4,6 @@ * Copyright (C) 2001, 2002 Andy Grover <[email protected]> * Copyright (C) 2001, 2002 Paul Diefenbaugh <[email protected]> * Copyright (C) 2002 Dominik Brodowski <[email protected]> - * Copyright (c) 2015, The Linux Foundation. All rights reserved. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * @@ -438,6 +437,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) * enabled system. */ +#define ACPI_MAX_IRQS 256 #define ACPI_MAX_ISA_IRQ 16 #define PIRQ_PENALTY_PCI_AVAILABLE (0) @@ -447,7 +447,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) #define PIRQ_PENALTY_ISA_USED (16*16*16*16*16) #define PIRQ_PENALTY_ISA_ALWAYS (16*16*16*16*16*16) -static int acpi_irq_isa_penalty[ACPI_MAX_ISA_IRQ] = { +static int acpi_irq_penalty[ACPI_MAX_IRQS] = { PIRQ_PENALTY_ISA_ALWAYS, /* IRQ0 timer */ PIRQ_PENALTY_ISA_ALWAYS, /* IRQ1 keyboard */ PIRQ_PENALTY_ISA_ALWAYS, /* IRQ2 cascade */ @@ -464,68 +464,9 @@ static int acpi_irq_isa_penalty[ACPI_MAX_ISA_IRQ] = { PIRQ_PENALTY_ISA_USED, /* IRQ13 fpe, sometimes */ PIRQ_PENALTY_ISA_USED, /* IRQ14 ide0 */ PIRQ_PENALTY_ISA_USED, /* IRQ15 ide1 */ + /* >IRQ15 */ }; -struct irq_penalty_info { - int irq; - int penalty; - struct list_head node; -}; - -static LIST_HEAD(acpi_irq_penalty_list); - -static int acpi_irq_get_penalty(int irq) -{ - struct irq_penalty_info *irq_info; - - if (irq < ACPI_MAX_ISA_IRQ) - return acpi_irq_isa_penalty[irq]; - - list_for_each_entry(irq_info, &acpi_irq_penalty_list, node) { - if (irq_info->irq == irq) - return irq_info->penalty; - } - - return 0; -} - -static int acpi_irq_set_penalty(int irq, int new_penalty) -{ - struct irq_penalty_info *irq_info; - - /* see if this is a ISA IRQ */ - if (irq < ACPI_MAX_ISA_IRQ) { - acpi_irq_isa_penalty[irq] = new_penalty; - return 0; - } - - /* next, try to locate from the dynamic list */ - list_for_each_entry(irq_info, &acpi_irq_penalty_list, node) { - if (irq_info->irq == irq) { - irq_info->penalty = new_penalty; - return 0; - } - } - - /* nope, let's allocate a slot for this IRQ */ - irq_info = kzalloc(sizeof(*irq_info), GFP_KERNEL); - if (!irq_info) - return -ENOMEM; - - irq_info->irq = irq; - irq_info->penalty = new_penalty; - list_add_tail(&irq_info->node, &acpi_irq_penalty_list); - - return 0; -} - -static void acpi_irq_add_penalty(int irq, int penalty) -{ - int curpen = acpi_irq_get_penalty(irq); - - acpi_irq_set_penalty(irq, curpen + penalty); -} - int __init acpi_irq_penalty_init(void) { struct acpi_pci_link *link; @@ -546,16 +487,15 @@ int __init acpi_irq_penalty_init(void) link->irq.possible_count; for (i = 0; i < link->irq.possible_count; i++) { - if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ) { - int irqpos = link->irq.possible[i]; - - acpi_irq_add_penalty(irqpos, penalty); - } + if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ) + acpi_irq_penalty[link->irq. + possible[i]] += + penalty; } } else if (link->irq.active) { - acpi_irq_add_penalty(link->irq.active, - PIRQ_PENALTY_PCI_POSSIBLE); + acpi_irq_penalty[link->irq.active] += + PIRQ_PENALTY_PCI_POSSIBLE; } } @@ -607,12 +547,12 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) * the use of IRQs 9, 10, 11, and >15. */ for (i = (link->irq.possible_count - 1); i >= 0; i--) { - if (acpi_irq_get_penalty(irq) > - acpi_irq_get_penalty(link->irq.possible[i])) + if (acpi_irq_penalty[irq] > + acpi_irq_penalty[link->irq.possible[i]]) irq = link->irq.possible[i]; } } - if (acpi_irq_get_penalty(irq) >= PIRQ_PENALTY_ISA_ALWAYS) { + if (acpi_irq_penalty[irq] >= PIRQ_PENALTY_ISA_ALWAYS) { printk(KERN_ERR PREFIX "No IRQ available for %s [%s]. " "Try pci=noacpi or acpi=off\n", acpi_device_name(link->device), @@ -628,8 +568,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) acpi_device_bid(link->device)); return -ENODEV; } else { - acpi_irq_add_penalty(link->irq.active, PIRQ_PENALTY_PCI_USING); - + acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n", acpi_device_name(link->device), acpi_device_bid(link->device), link->irq.active); @@ -839,7 +778,7 @@ static void acpi_pci_link_remove(struct acpi_device *device) } /* - * modify penalty from cmdline + * modify acpi_irq_penalty[] from cmdline */ static int __init acpi_irq_penalty_update(char *str, int used) { @@ -857,10 +796,13 @@ static int __init acpi_irq_penalty_update(char *str, int used) if (irq < 0) continue; + if (irq >= ARRAY_SIZE(acpi_irq_penalty)) + continue; + if (used) - acpi_irq_add_penalty(irq, PIRQ_PENALTY_ISA_USED); + acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED; else - acpi_irq_set_penalty(irq, PIRQ_PENALTY_PCI_AVAILABLE); + acpi_irq_penalty[irq] = PIRQ_PENALTY_PCI_AVAILABLE; if (retval != 2) /* no next number */ break; @@ -877,15 +819,18 @@ static int __init acpi_irq_penalty_update(char *str, int used) */ void acpi_penalize_isa_irq(int irq, int active) { - if (irq >= 0) - acpi_irq_add_penalty(irq, active ? - PIRQ_PENALTY_ISA_USED : PIRQ_PENALTY_PCI_USING); + if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) { + if (active) + acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED; + else + acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; + } } bool acpi_isa_irq_available(int irq) { - return irq >= 0 && - (acpi_irq_get_penalty(irq) < PIRQ_PENALTY_ISA_ALWAYS); + return irq >= 0 && (irq >= ARRAY_SIZE(acpi_irq_penalty) || + acpi_irq_penalty[irq] < PIRQ_PENALTY_ISA_ALWAYS); } /* @@ -895,18 +840,13 @@ bool acpi_isa_irq_available(int irq) */ void acpi_penalize_sci_irq(int irq, int trigger, int polarity) { - int penalty; - - if (irq < 0) - return; - - if (trigger != ACPI_MADT_TRIGGER_LEVEL || - polarity != ACPI_MADT_POLARITY_ACTIVE_LOW) - penalty = PIRQ_PENALTY_ISA_ALWAYS; - else - penalty = PIRQ_PENALTY_PCI_USING; - - acpi_irq_add_penalty(irq, penalty); + if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) { + if (trigger != ACPI_MADT_TRIGGER_LEVEL || + polarity != ACPI_MADT_POLARITY_ACTIVE_LOW) + acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_ALWAYS; + else + acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; + } } /* diff --git a/drivers/android/binder.c b/drivers/android/binder.c index a39e85f9efa9..7d00b7a015ea 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2074,7 +2074,7 @@ static int binder_thread_write(struct binder_proc *proc, if (get_user(cookie, (binder_uintptr_t __user *)ptr)) return -EFAULT; - ptr += sizeof(void *); + ptr += sizeof(cookie); list_for_each_entry(w, &proc->delivered_death, entry) { struct binder_ref_death *tmp_death = container_of(w, struct binder_ref_death, work); diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 594fcabd22cd..546a3692774f 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -264,6 +264,26 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */ { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */ { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */ + { PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */ + { PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */ { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */ { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */ diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index a4faa438889c..a44c75d4c284 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -250,6 +250,7 @@ enum { AHCI_HFLAG_MULTI_MSI = 0, AHCI_HFLAG_MULTI_MSIX = 0, #endif + AHCI_HFLAG_WAKE_BEFORE_STOP = (1 << 22), /* wake before DMA stop */ /* ap->flags bits */ diff --git a/drivers/ata/ahci_brcmstb.c b/drivers/ata/ahci_brcmstb.c index b36cae2fd04b..e87bcec0fd7c 100644 --- a/drivers/ata/ahci_brcmstb.c +++ b/drivers/ata/ahci_brcmstb.c @@ -317,6 +317,7 @@ static int brcm_ahci_probe(struct platform_device *pdev) if (IS_ERR(hpriv)) return PTR_ERR(hpriv); hpriv->plat_data = priv; + hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP; brcm_sata_alpm_init(hpriv); diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index d61740e78d6d..402967902cbe 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -496,8 +496,8 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) } } - /* fabricate port_map from cap.nr_ports */ - if (!port_map) { + /* fabricate port_map from cap.nr_ports for < AHCI 1.3 */ + if (!port_map && vers < 0x10300) { port_map = (1 << ahci_nr_ports(cap)) - 1; dev_warn(dev, "forcing PORTS_IMPL to 0x%x\n", port_map); @@ -593,8 +593,22 @@ EXPORT_SYMBOL_GPL(ahci_start_engine); int ahci_stop_engine(struct ata_port *ap) { void __iomem *port_mmio = ahci_port_base(ap); + struct ahci_host_priv *hpriv = ap->host->private_data; u32 tmp; + /* + * On some controllers, stopping a port's DMA engine while the port + * is in ALPM state (partial or slumber) results in failures on + * subsequent DMA engine starts. For those controllers, put the + * port back in active state before stopping its DMA engine. + */ + if ((hpriv->flags & AHCI_HFLAG_WAKE_BEFORE_STOP) && + (ap->link.lpm_policy > ATA_LPM_MAX_POWER) && + ahci_set_lpm(&ap->link, ATA_LPM_MAX_POWER, ATA_LPM_WAKE_ONLY)) { + dev_err(ap->host->dev, "Failed to wake up port before engine stop\n"); + return -EIO; + } + tmp = readl(port_mmio + PORT_CMD); /* check if the HBA is idle */ @@ -689,6 +703,9 @@ static int ahci_set_lpm(struct ata_link *link, enum ata_lpm_policy policy, void __iomem *port_mmio = ahci_port_base(ap); if (policy != ATA_LPM_MAX_POWER) { + /* wakeup flag only applies to the max power policy */ + hints &= ~ATA_LPM_WAKE_ONLY; + /* * Disable interrupts on Phy Ready. This keeps us from * getting woken up due to spurious phy ready @@ -704,7 +721,8 @@ static int ahci_set_lpm(struct ata_link *link, enum ata_lpm_policy policy, u32 cmd = readl(port_mmio + PORT_CMD); if (policy == ATA_LPM_MAX_POWER || !(hints & ATA_LPM_HIPM)) { - cmd &= ~(PORT_CMD_ASP | PORT_CMD_ALPE); + if (!(hints & ATA_LPM_WAKE_ONLY)) + cmd &= ~(PORT_CMD_ASP | PORT_CMD_ALPE); cmd |= PORT_CMD_ICC_ACTIVE; writel(cmd, port_mmio + PORT_CMD); @@ -712,6 +730,9 @@ static int ahci_set_lpm(struct ata_link *link, enum ata_lpm_policy policy, /* wait 10ms to be sure we've come out of LPM state */ ata_msleep(ap, 10); + + if (hints & ATA_LPM_WAKE_ONLY) + return 0; } else { cmd |= PORT_CMD_ALPE; if (policy == ATA_LPM_MIN_POWER) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index cbb74719d2c1..55e257c268dd 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4125,6 +4125,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "SAMSUNG CD-ROM SN-124", "N001", ATA_HORKAGE_NODMA }, { "Seagate STT20000A", NULL, ATA_HORKAGE_NODMA }, { " 2GB ATA Flash Disk", "ADMA428M", ATA_HORKAGE_NODMA }, + { "VRFDFC22048UCHC-TE*", NULL, ATA_HORKAGE_NODMA }, /* Odd clown on sil3726/4726 PMPs */ { "Config Disk", NULL, ATA_HORKAGE_DISABLE }, diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index cdf6215a9a22..051b6158d1b7 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -997,12 +997,9 @@ static inline int ata_hsm_ok_in_wq(struct ata_port *ap, static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) { struct ata_port *ap = qc->ap; - unsigned long flags; if (ap->ops->error_handler) { if (in_wq) { - spin_lock_irqsave(ap->lock, flags); - /* EH might have kicked in while host lock is * released. */ @@ -1014,8 +1011,6 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) } else ata_port_freeze(ap); } - - spin_unlock_irqrestore(ap->lock, flags); } else { if (likely(!(qc->err_mask & AC_ERR_HSM))) ata_qc_complete(qc); @@ -1024,10 +1019,8 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) } } else { if (in_wq) { - spin_lock_irqsave(ap->lock, flags); ata_sff_irq_on(ap); ata_qc_complete(qc); - spin_unlock_irqrestore(ap->lock, flags); } else ata_qc_complete(qc); } @@ -1048,9 +1041,10 @@ int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc, { struct ata_link *link = qc->dev->link; struct ata_eh_info *ehi = &link->eh_info; - unsigned long flags = 0; int poll_next; + lockdep_assert_held(ap->lock); + WARN_ON_ONCE((qc->flags & ATA_QCFLAG_ACTIVE) == 0); /* Make sure ata_sff_qc_issue() does not throw things @@ -1112,14 +1106,6 @@ fsm_start: } } - /* Send the CDB (atapi) or the first data block (ata pio out). - * During the state transition, interrupt handler shouldn't - * be invoked before the data transfer is complete and - * hsm_task_state is changed. Hence, the following locking. - */ - if (in_wq) - spin_lock_irqsave(ap->lock, flags); - if (qc->tf.protocol == ATA_PROT_PIO) { /* PIO data out protocol. * send first data block. @@ -1135,9 +1121,6 @@ fsm_start: /* send CDB */ atapi_send_cdb(ap, qc); - if (in_wq) - spin_unlock_irqrestore(ap->lock, flags); - /* if polling, ata_sff_pio_task() handles the rest. * otherwise, interrupt handler takes over from here. */ @@ -1296,7 +1279,8 @@ fsm_start: break; default: poll_next = 0; - BUG(); + WARN(true, "ata%d: SFF host state machine in invalid state %d", + ap->print_id, ap->hsm_task_state); } return poll_next; @@ -1361,12 +1345,14 @@ static void ata_sff_pio_task(struct work_struct *work) u8 status; int poll_next; + spin_lock_irq(ap->lock); + BUG_ON(ap->sff_pio_task_link == NULL); /* qc can be NULL if timeout occurred */ qc = ata_qc_from_tag(ap, link->active_tag); if (!qc) { ap->sff_pio_task_link = NULL; - return; + goto out_unlock; } fsm_start: @@ -1381,11 +1367,14 @@ fsm_start: */ status = ata_sff_busy_wait(ap, ATA_BUSY, 5); if (status & ATA_BUSY) { + spin_unlock_irq(ap->lock); ata_msleep(ap, 2); + spin_lock_irq(ap->lock); + status = ata_sff_busy_wait(ap, ATA_BUSY, 10); if (status & ATA_BUSY) { ata_sff_queue_pio_task(link, ATA_SHORT_PAUSE); - return; + goto out_unlock; } } @@ -1402,6 +1391,8 @@ fsm_start: */ if (poll_next) goto fsm_start; +out_unlock: + spin_unlock_irq(ap->lock); } /** diff --git a/drivers/base/component.c b/drivers/base/component.c index 89f5cf68d80a..04a1582e80bb 100644 --- a/drivers/base/component.c +++ b/drivers/base/component.c @@ -206,6 +206,8 @@ static void component_match_release(struct device *master, if (mc->release) mc->release(master, mc->data); } + + kfree(match->compare); } static void devm_component_match_release(struct device *dev, void *res) @@ -221,14 +223,14 @@ static int component_match_realloc(struct device *dev, if (match->alloc == num) return 0; - new = devm_kmalloc_array(dev, num, sizeof(*new), GFP_KERNEL); + new = kmalloc_array(num, sizeof(*new), GFP_KERNEL); if (!new) return -ENOMEM; if (match->compare) { memcpy(new, match->compare, sizeof(*new) * min(match->num, num)); - devm_kfree(dev, match->compare); + kfree(match->compare); } match->compare = new; match->alloc = num; @@ -283,6 +285,24 @@ void component_match_add_release(struct device *master, } EXPORT_SYMBOL(component_match_add_release); +static void free_master(struct master *master) +{ + struct component_match *match = master->match; + int i; + + list_del(&master->node); + + if (match) { + for (i = 0; i < match->num; i++) { + struct component *c = match->compare[i].component; + if (c) + c->master = NULL; + } + } + + kfree(master); +} + int component_master_add_with_match(struct device *dev, const struct component_master_ops *ops, struct component_match *match) @@ -309,11 +329,9 @@ int component_master_add_with_match(struct device *dev, ret = try_to_bring_up_master(master, NULL); - if (ret < 0) { - /* Delete off the list if we weren't successful */ - list_del(&master->node); - kfree(master); - } + if (ret < 0) + free_master(master); + mutex_unlock(&component_mutex); return ret < 0 ? ret : 0; @@ -324,25 +342,12 @@ void component_master_del(struct device *dev, const struct component_master_ops *ops) { struct master *master; - int i; mutex_lock(&component_mutex); master = __master_find(dev, ops); if (master) { - struct component_match *match = master->match; - take_down_master(master); - - list_del(&master->node); - - if (match) { - for (i = 0; i < match->num; i++) { - struct component *c = match->compare[i].component; - if (c) - c->master = NULL; - } - } - kfree(master); + free_master(master); } mutex_unlock(&component_mutex); } @@ -486,6 +491,8 @@ int component_add(struct device *dev, const struct component_ops *ops) ret = try_to_bring_up_masters(component); if (ret < 0) { + if (component->master) + remove_component(component->master, component); list_del(&component->node); kfree(component); diff --git a/drivers/base/power/common.c b/drivers/base/power/common.c index 93ed14cc2252..f6a9ad52cbbf 100644 --- a/drivers/base/power/common.c +++ b/drivers/base/power/common.c @@ -146,7 +146,7 @@ void dev_pm_domain_set(struct device *dev, struct dev_pm_domain *pd) if (dev->pm_domain == pd) return; - WARN(device_is_bound(dev), + WARN(pd && device_is_bound(dev), "PM domains can only be changed for unbound devices\n"); dev->pm_domain = pd; device_pm_check_callbacks(dev); diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 784dbe897a5e..301b785f9f56 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -173,14 +173,14 @@ static void genpd_queue_power_off_work(struct generic_pm_domain *genpd) } /** - * __genpd_poweron - Restore power to a given PM domain and its masters. + * genpd_poweron - Restore power to a given PM domain and its masters. * @genpd: PM domain to power up. * @depth: nesting count for lockdep. * * Restore power to @genpd and all of its masters so that it is possible to * resume a device belonging to it. */ -static int __genpd_poweron(struct generic_pm_domain *genpd, unsigned int depth) +static int genpd_poweron(struct generic_pm_domain *genpd, unsigned int depth) { struct gpd_link *link; int ret = 0; @@ -200,7 +200,7 @@ static int __genpd_poweron(struct generic_pm_domain *genpd, unsigned int depth) genpd_sd_counter_inc(master); mutex_lock_nested(&master->lock, depth + 1); - ret = __genpd_poweron(master, depth + 1); + ret = genpd_poweron(master, depth + 1); mutex_unlock(&master->lock); if (ret) { @@ -227,21 +227,6 @@ static int __genpd_poweron(struct generic_pm_domain *genpd, unsigned int depth) return ret; } -/** - * genpd_poweron - Restore power to a given PM domain and its masters. - * @genpd: PM domain to power up. - */ -static int genpd_poweron(struct generic_pm_domain *genpd) -{ - int ret; - - mutex_lock(&genpd->lock); - ret = __genpd_poweron(genpd, 0); - mutex_unlock(&genpd->lock); - return ret; -} - - static int genpd_save_dev(struct generic_pm_domain *genpd, struct device *dev) { return GENPD_DEV_CALLBACK(genpd, int, save_state, dev); @@ -489,7 +474,7 @@ static int pm_genpd_runtime_resume(struct device *dev) } mutex_lock(&genpd->lock); - ret = __genpd_poweron(genpd, 0); + ret = genpd_poweron(genpd, 0); mutex_unlock(&genpd->lock); if (ret) @@ -1821,8 +1806,10 @@ int genpd_dev_pm_attach(struct device *dev) dev->pm_domain->detach = genpd_dev_pm_detach; dev->pm_domain->sync = genpd_dev_pm_sync; - ret = genpd_poweron(pd); + mutex_lock(&pd->lock); + ret = genpd_poweron(pd, 0); + mutex_unlock(&pd->lock); out: return ret ? -EPROBE_DEFER : 0; } diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c index 8812bfb9e3b8..eea51569f0eb 100644 --- a/drivers/base/regmap/regmap-mmio.c +++ b/drivers/base/regmap/regmap-mmio.c @@ -133,17 +133,17 @@ static int regmap_mmio_gather_write(void *context, while (val_size) { switch (ctx->val_bytes) { case 1: - __raw_writeb(*(u8 *)val, ctx->regs + offset); + writeb(*(u8 *)val, ctx->regs + offset); break; case 2: - __raw_writew(*(u16 *)val, ctx->regs + offset); + writew(*(u16 *)val, ctx->regs + offset); break; case 4: - __raw_writel(*(u32 *)val, ctx->regs + offset); + writel(*(u32 *)val, ctx->regs + offset); break; #ifdef CONFIG_64BIT case 8: - __raw_writeq(*(u64 *)val, ctx->regs + offset); + writeq(*(u64 *)val, ctx->regs + offset); break; #endif default: @@ -193,17 +193,17 @@ static int regmap_mmio_read(void *context, while (val_size) { switch (ctx->val_bytes) { case 1: - *(u8 *)val = __raw_readb(ctx->regs + offset); + *(u8 *)val = readb(ctx->regs + offset); break; case 2: - *(u16 *)val = __raw_readw(ctx->regs + offset); + *(u16 *)val = readw(ctx->regs + offset); break; case 4: - *(u32 *)val = __raw_readl(ctx->regs + offset); + *(u32 *)val = readl(ctx->regs + offset); break; #ifdef CONFIG_64BIT case 8: - *(u64 *)val = __raw_readq(ctx->regs + offset); + *(u64 *)val = readq(ctx->regs + offset); break; #endif default: diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 9e251201dd48..84708a5f8c52 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -866,7 +866,7 @@ static void set_fdc(int drive) } /* locks the driver */ -static int lock_fdc(int drive, bool interruptible) +static int lock_fdc(int drive) { if (WARN(atomic_read(&usage_count) == 0, "Trying to lock fdc while usage count=0\n")) @@ -2173,7 +2173,7 @@ static int do_format(int drive, struct format_descr *tmp_format_req) { int ret; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; set_floppy(drive); @@ -2960,7 +2960,7 @@ static int user_reset_fdc(int drive, int arg, bool interruptible) { int ret; - if (lock_fdc(drive, interruptible)) + if (lock_fdc(drive)) return -EINTR; if (arg == FD_RESET_ALWAYS) @@ -3243,7 +3243,7 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g, if (!capable(CAP_SYS_ADMIN)) return -EPERM; mutex_lock(&open_lock); - if (lock_fdc(drive, true)) { + if (lock_fdc(drive)) { mutex_unlock(&open_lock); return -EINTR; } @@ -3263,7 +3263,7 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g, } else { int oldStretch; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; if (cmd != FDDEFPRM) { /* notice a disk change immediately, else @@ -3349,7 +3349,7 @@ static int get_floppy_geometry(int drive, int type, struct floppy_struct **g) if (type) *g = &floppy_type[type]; else { - if (lock_fdc(drive, false)) + if (lock_fdc(drive)) return -EINTR; if (poll_drive(false, 0) == -EINTR) return -EINTR; @@ -3433,7 +3433,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int if (UDRS->fd_ref != 1) /* somebody else has this drive open */ return -EBUSY; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; /* do the actual eject. Fails on @@ -3445,7 +3445,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int process_fd_request(); return ret; case FDCLRPRM: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; current_type[drive] = NULL; floppy_sizes[drive] = MAX_DISK_SIZE << 1; @@ -3467,7 +3467,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int UDP->flags &= ~FTD_MSG; return 0; case FDFMTBEG: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR) return -EINTR; @@ -3484,7 +3484,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int return do_format(drive, &inparam.f); case FDFMTEND: case FDFLUSH: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; return invalidate_drive(bdev); case FDSETEMSGTRESH: @@ -3507,7 +3507,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int outparam = UDP; break; case FDPOLLDRVSTAT: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR) return -EINTR; @@ -3530,7 +3530,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int case FDRAWCMD: if (type) return -EINVAL; - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; set_floppy(drive); i = raw_cmd_ioctl(cmd, (void __user *)param); @@ -3539,7 +3539,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int process_fd_request(); return i; case FDTWADDLE: - if (lock_fdc(drive, true)) + if (lock_fdc(drive)) return -EINTR; twaddle(); process_fd_request(); @@ -3663,6 +3663,11 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) opened_bdev[drive] = bdev; + if (!(mode & (FMODE_READ|FMODE_WRITE))) { + res = -EINVAL; + goto out; + } + res = -ENXIO; if (!floppy_track_buffer) { @@ -3706,21 +3711,20 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) if (UFDCS->rawcmd == 1) UFDCS->rawcmd = 2; - if (!(mode & FMODE_NDELAY)) { - if (mode & (FMODE_READ|FMODE_WRITE)) { - UDRS->last_checked = 0; - clear_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags); - check_disk_change(bdev); - if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags)) - goto out; - if (test_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags)) - goto out; - } - res = -EROFS; - if ((mode & FMODE_WRITE) && - !test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags)) - goto out; - } + UDRS->last_checked = 0; + clear_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags); + check_disk_change(bdev); + if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags)) + goto out; + if (test_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags)) + goto out; + + res = -EROFS; + + if ((mode & FMODE_WRITE) && + !test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags)) + goto out; + mutex_unlock(&open_lock); mutex_unlock(&floppy_mutex); return 0; @@ -3748,7 +3752,8 @@ static unsigned int floppy_check_events(struct gendisk *disk, return DISK_EVENT_MEDIA_CHANGE; if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) { - lock_fdc(drive, false); + if (lock_fdc(drive)) + return -EINTR; poll_drive(false, 0); process_fd_request(); } @@ -3847,7 +3852,9 @@ static int floppy_revalidate(struct gendisk *disk) "VFS: revalidate called on non-open device.\n")) return -EFAULT; - lock_fdc(drive, false); + res = lock_fdc(drive); + if (res) + return res; cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || test_bit(FD_VERIFY_BIT, &UDRS->flags)); if (!(cf || test_bit(drive, &fake_change) || drive_no_geom(drive))) { diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 8ba1e97d573c..64a7b5971b57 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -478,7 +478,7 @@ static int null_lnvm_id(struct nvm_dev *dev, struct nvm_id *id) id->ver_id = 0x1; id->vmnt = 0; id->cgrps = 1; - id->cap = 0x3; + id->cap = 0x2; id->dom = 0x1; id->ppaf.blk_offset = 0; @@ -707,9 +707,7 @@ static int null_add_dev(void) queue_flag_set_unlocked(QUEUE_FLAG_NONROT, nullb->q); queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, nullb->q); - mutex_lock(&lock); - list_add_tail(&nullb->list, &nullb_list); nullb->index = nullb_indexes++; mutex_unlock(&lock); @@ -743,6 +741,10 @@ static int null_add_dev(void) strncpy(disk->disk_name, nullb->disk_name, DISK_NAME_LEN); add_disk(disk); + + mutex_lock(&lock); + list_add_tail(&nullb->list, &nullb_list); + mutex_unlock(&lock); done: return 0; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8a8dc91c39f7..83eb9e6bf8b0 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1873,6 +1873,43 @@ again: return err; } +static int negotiate_mq(struct blkfront_info *info) +{ + unsigned int backend_max_queues = 0; + int err; + unsigned int i; + + BUG_ON(info->nr_rings); + + /* Check if backend supports multiple queues. */ + err = xenbus_scanf(XBT_NIL, info->xbdev->otherend, + "multi-queue-max-queues", "%u", &backend_max_queues); + if (err < 0) + backend_max_queues = 1; + + info->nr_rings = min(backend_max_queues, xen_blkif_max_queues); + /* We need at least one ring. */ + if (!info->nr_rings) + info->nr_rings = 1; + + info->rinfo = kzalloc(sizeof(struct blkfront_ring_info) * info->nr_rings, GFP_KERNEL); + if (!info->rinfo) { + xenbus_dev_fatal(info->xbdev, -ENOMEM, "allocating ring_info structure"); + return -ENOMEM; + } + + for (i = 0; i < info->nr_rings; i++) { + struct blkfront_ring_info *rinfo; + + rinfo = &info->rinfo[i]; + INIT_LIST_HEAD(&rinfo->indirect_pages); + INIT_LIST_HEAD(&rinfo->grants); + rinfo->dev_info = info; + INIT_WORK(&rinfo->work, blkif_restart_queue); + spin_lock_init(&rinfo->ring_lock); + } + return 0; +} /** * Entry point to this code when a new device is created. Allocate the basic * structures and the ring buffer for communication with the backend, and @@ -1883,9 +1920,7 @@ static int blkfront_probe(struct xenbus_device *dev, const struct xenbus_device_id *id) { int err, vdevice; - unsigned int r_index; struct blkfront_info *info; - unsigned int backend_max_queues = 0; /* FIXME: Use dynamic device id if this is not set. */ err = xenbus_scanf(XBT_NIL, dev->nodename, @@ -1936,33 +1971,10 @@ static int blkfront_probe(struct xenbus_device *dev, } info->xbdev = dev; - /* Check if backend supports multiple queues. */ - err = xenbus_scanf(XBT_NIL, info->xbdev->otherend, - "multi-queue-max-queues", "%u", &backend_max_queues); - if (err < 0) - backend_max_queues = 1; - - info->nr_rings = min(backend_max_queues, xen_blkif_max_queues); - /* We need at least one ring. */ - if (!info->nr_rings) - info->nr_rings = 1; - - info->rinfo = kzalloc(sizeof(struct blkfront_ring_info) * info->nr_rings, GFP_KERNEL); - if (!info->rinfo) { - xenbus_dev_fatal(dev, -ENOMEM, "allocating ring_info structure"); + err = negotiate_mq(info); + if (err) { kfree(info); - return -ENOMEM; - } - - for (r_index = 0; r_index < info->nr_rings; r_index++) { - struct blkfront_ring_info *rinfo; - - rinfo = &info->rinfo[r_index]; - INIT_LIST_HEAD(&rinfo->indirect_pages); - INIT_LIST_HEAD(&rinfo->grants); - rinfo->dev_info = info; - INIT_WORK(&rinfo->work, blkif_restart_queue); - spin_lock_init(&rinfo->ring_lock); + return err; } mutex_init(&info->mutex); @@ -2123,12 +2135,16 @@ static int blkif_recover(struct blkfront_info *info) static int blkfront_resume(struct xenbus_device *dev) { struct blkfront_info *info = dev_get_drvdata(&dev->dev); - int err; + int err = 0; dev_dbg(&dev->dev, "blkfront_resume: %s\n", dev->nodename); blkif_free(info, info->connected == BLKIF_STATE_CONNECTED); + err = negotiate_mq(info); + if (err) + return err; + err = talk_to_blkback(dev, info); /* diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index 129d47bcc5fc..9a92c072a485 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -132,7 +132,7 @@ config SUNXI_RSB and AC100/AC200 ICs. config UNIPHIER_SYSTEM_BUS - bool "UniPhier System Bus driver" + tristate "UniPhier System Bus driver" depends on ARCH_UNIPHIER && OF default y help diff --git a/drivers/bus/vexpress-config.c b/drivers/bus/vexpress-config.c index 6575c0fe6a4e..c3cb76b363c6 100644 --- a/drivers/bus/vexpress-config.c +++ b/drivers/bus/vexpress-config.c @@ -192,8 +192,10 @@ static int __init vexpress_config_init(void) /* Need the config devices early, before the "normal" devices... */ for_each_compatible_node(node, NULL, "arm,vexpress,config-bus") { err = vexpress_config_populate(node); - if (err) + if (err) { + of_node_put(node); break; + } } return err; diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 240b6cf1d97c..be54e5331a45 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -42,7 +42,7 @@ /* * The High Precision Event Timer driver. * This driver is closely modelled after the rtc.c driver. - * http://www.intel.com/hardwaredesign/hpetspec_1.pdf + * See HPET spec revision 1. */ #define HPET_USER_FREQ (64) #define HPET_DRIFT (500) diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index dbf22719462f..ff00331bff49 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -372,6 +372,7 @@ config HW_RANDOM_XGENE config HW_RANDOM_STM32 tristate "STMicroelectronics STM32 random number generator" depends on HW_RANDOM && (ARCH_STM32 || COMPILE_TEST) + depends on HAS_IOMEM help This driver provides kernel-side support for the Random Number Generator hardware found on STM32 microcontrollers. diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 9fda22e3387e..7fddd8696211 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -68,6 +68,7 @@ #include <linux/of_platform.h> #include <linux/of_address.h> #include <linux/of_irq.h> +#include <linux/acpi.h> #ifdef CONFIG_PARISC #include <asm/hardware.h> /* for register_parisc_driver() stuff */ @@ -2054,8 +2055,6 @@ static int hardcode_find_bmc(void) #ifdef CONFIG_ACPI -#include <linux/acpi.h> - /* * Once we get an ACPI failure, we don't try any more, because we go * through the tables sequentially. Once we don't find a table, there diff --git a/drivers/char/random.c b/drivers/char/random.c index d0da5d852d41..b583e5336630 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1819,6 +1819,28 @@ unsigned int get_random_int(void) EXPORT_SYMBOL(get_random_int); /* + * Same as get_random_int(), but returns unsigned long. + */ +unsigned long get_random_long(void) +{ + __u32 *hash; + unsigned long ret; + + if (arch_get_random_long(&ret)) + return ret; + + hash = get_cpu_var(get_random_int_hash); + + hash[0] += current->pid + jiffies + random_get_entropy(); + md5_transform(hash, random_int_secret); + ret = *(unsigned long *)hash; + put_cpu_var(get_random_int_hash); + + return ret; +} +EXPORT_SYMBOL(get_random_long); + +/* * randomize_range() returns a start address such that * * [...... <range> .....] diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index b038e3666058..bae4be6501df 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -43,7 +43,7 @@ obj-$(CONFIG_COMMON_CLK_SI514) += clk-si514.o obj-$(CONFIG_COMMON_CLK_SI570) += clk-si570.o obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o obj-$(CONFIG_ARCH_STM32) += clk-stm32f4.o -obj-$(CONFIG_ARCH_TANGOX) += clk-tango4.o +obj-$(CONFIG_ARCH_TANGO) += clk-tango4.o obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o obj-$(CONFIG_ARCH_U300) += clk-u300.o obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c index 19fed65587e8..7b09a265d79f 100644 --- a/drivers/clk/clk-gpio.c +++ b/drivers/clk/clk-gpio.c @@ -289,7 +289,7 @@ static void __init of_gpio_clk_setup(struct device_node *node, num_parents = of_clk_get_parent_count(node); if (num_parents < 0) - return; + num_parents = 0; data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) diff --git a/drivers/clk/clk-scpi.c b/drivers/clk/clk-scpi.c index cd0f2726f5e0..89e9ca78bb94 100644 --- a/drivers/clk/clk-scpi.c +++ b/drivers/clk/clk-scpi.c @@ -299,7 +299,7 @@ static int scpi_clocks_probe(struct platform_device *pdev) /* Add the virtual cpufreq device */ cpufreq_dev = platform_device_register_simple("scpi-cpufreq", -1, NULL, 0); - if (!cpufreq_dev) + if (IS_ERR(cpufreq_dev)) pr_warn("unable to register cpufreq device"); return 0; diff --git a/drivers/clk/mvebu/dove-divider.c b/drivers/clk/mvebu/dove-divider.c index d5c5bfa35a5a..3e0b52daa35f 100644 --- a/drivers/clk/mvebu/dove-divider.c +++ b/drivers/clk/mvebu/dove-divider.c @@ -247,7 +247,7 @@ static struct clk_onecell_data dove_divider_data = { void __init dove_divider_clk_init(struct device_node *np) { - void *base; + void __iomem *base; base = of_iomap(np, 0); if (WARN_ON(!base)) diff --git a/drivers/clk/qcom/gcc-apq8084.c b/drivers/clk/qcom/gcc-apq8084.c index cf73e539e9f6..070037a29ea5 100644 --- a/drivers/clk/qcom/gcc-apq8084.c +++ b/drivers/clk/qcom/gcc-apq8084.c @@ -3587,7 +3587,6 @@ static const struct regmap_config gcc_apq8084_regmap_config = { .val_bits = 32, .max_register = 0x1fc0, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc gcc_apq8084_desc = { diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c index b692ae881d6a..dd5402bac620 100644 --- a/drivers/clk/qcom/gcc-ipq806x.c +++ b/drivers/clk/qcom/gcc-ipq806x.c @@ -3005,7 +3005,6 @@ static const struct regmap_config gcc_ipq806x_regmap_config = { .val_bits = 32, .max_register = 0x3e40, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc gcc_ipq806x_desc = { diff --git a/drivers/clk/qcom/gcc-msm8660.c b/drivers/clk/qcom/gcc-msm8660.c index f6a2b14dfec4..ad413036f7c7 100644 --- a/drivers/clk/qcom/gcc-msm8660.c +++ b/drivers/clk/qcom/gcc-msm8660.c @@ -2702,7 +2702,6 @@ static const struct regmap_config gcc_msm8660_regmap_config = { .val_bits = 32, .max_register = 0x363c, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc gcc_msm8660_desc = { diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c index e3bf09d7d0ef..8cc9b2868b41 100644 --- a/drivers/clk/qcom/gcc-msm8916.c +++ b/drivers/clk/qcom/gcc-msm8916.c @@ -3336,7 +3336,6 @@ static const struct regmap_config gcc_msm8916_regmap_config = { .val_bits = 32, .max_register = 0x80000, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc gcc_msm8916_desc = { diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c index f31111e32d44..983dd7dc89a7 100644 --- a/drivers/clk/qcom/gcc-msm8960.c +++ b/drivers/clk/qcom/gcc-msm8960.c @@ -3468,7 +3468,6 @@ static const struct regmap_config gcc_msm8960_regmap_config = { .val_bits = 32, .max_register = 0x3660, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct regmap_config gcc_apq8064_regmap_config = { @@ -3477,7 +3476,6 @@ static const struct regmap_config gcc_apq8064_regmap_config = { .val_bits = 32, .max_register = 0x3880, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc gcc_msm8960_desc = { diff --git a/drivers/clk/qcom/gcc-msm8974.c b/drivers/clk/qcom/gcc-msm8974.c index df164d618e34..335952db309b 100644 --- a/drivers/clk/qcom/gcc-msm8974.c +++ b/drivers/clk/qcom/gcc-msm8974.c @@ -2680,7 +2680,6 @@ static const struct regmap_config gcc_msm8974_regmap_config = { .val_bits = 32, .max_register = 0x1fc0, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc gcc_msm8974_desc = { diff --git a/drivers/clk/qcom/lcc-ipq806x.c b/drivers/clk/qcom/lcc-ipq806x.c index 62e79fadd5f7..db3998e5e2d8 100644 --- a/drivers/clk/qcom/lcc-ipq806x.c +++ b/drivers/clk/qcom/lcc-ipq806x.c @@ -419,7 +419,6 @@ static const struct regmap_config lcc_ipq806x_regmap_config = { .val_bits = 32, .max_register = 0xfc, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc lcc_ipq806x_desc = { diff --git a/drivers/clk/qcom/lcc-msm8960.c b/drivers/clk/qcom/lcc-msm8960.c index bf95bb0ea1b8..4fcf9d1d233c 100644 --- a/drivers/clk/qcom/lcc-msm8960.c +++ b/drivers/clk/qcom/lcc-msm8960.c @@ -524,7 +524,6 @@ static const struct regmap_config lcc_msm8960_regmap_config = { .val_bits = 32, .max_register = 0xfc, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc lcc_msm8960_desc = { diff --git a/drivers/clk/qcom/mmcc-apq8084.c b/drivers/clk/qcom/mmcc-apq8084.c index 1e703fda8a0f..30777f9f1a43 100644 --- a/drivers/clk/qcom/mmcc-apq8084.c +++ b/drivers/clk/qcom/mmcc-apq8084.c @@ -3368,7 +3368,6 @@ static const struct regmap_config mmcc_apq8084_regmap_config = { .val_bits = 32, .max_register = 0x5104, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc mmcc_apq8084_desc = { diff --git a/drivers/clk/qcom/mmcc-msm8960.c b/drivers/clk/qcom/mmcc-msm8960.c index d73a048d3b9d..00e36192a1de 100644 --- a/drivers/clk/qcom/mmcc-msm8960.c +++ b/drivers/clk/qcom/mmcc-msm8960.c @@ -3029,7 +3029,6 @@ static const struct regmap_config mmcc_msm8960_regmap_config = { .val_bits = 32, .max_register = 0x334, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct regmap_config mmcc_apq8064_regmap_config = { @@ -3038,7 +3037,6 @@ static const struct regmap_config mmcc_apq8064_regmap_config = { .val_bits = 32, .max_register = 0x350, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc mmcc_msm8960_desc = { diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c index bbe28ed93669..9d790bcadf25 100644 --- a/drivers/clk/qcom/mmcc-msm8974.c +++ b/drivers/clk/qcom/mmcc-msm8974.c @@ -2594,7 +2594,6 @@ static const struct regmap_config mmcc_msm8974_regmap_config = { .val_bits = 32, .max_register = 0x5104, .fast_io = true, - .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static const struct qcom_cc_desc mmcc_msm8974_desc = { diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index ebce98033fbb..bc7fbac83ab7 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -133,7 +133,7 @@ PNAME(mux_spdif_p) = { "spdif_src", "spdif_frac", "xin12m" }; PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" }; PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" }; PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" }; -PNAME(mux_mac_p) = { "mac_pll_src", "ext_gmac" }; +PNAME(mux_mac_p) = { "mac_pll_src", "rmii_clkin" }; PNAME(mux_dclk_p) = { "dclk_lcdc", "dclk_cru" }; static struct rockchip_pll_clock rk3036_pll_clks[] __initdata = { @@ -224,16 +224,16 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKGATE_CON(2), 2, GFLAGS), COMPOSITE_NODIV(SCLK_TIMER0, "sclk_timer0", mux_timer_p, CLK_IGNORE_UNUSED, - RK2928_CLKSEL_CON(2), 4, 1, DFLAGS, + RK2928_CLKSEL_CON(2), 4, 1, MFLAGS, RK2928_CLKGATE_CON(1), 0, GFLAGS), COMPOSITE_NODIV(SCLK_TIMER1, "sclk_timer1", mux_timer_p, CLK_IGNORE_UNUSED, - RK2928_CLKSEL_CON(2), 5, 1, DFLAGS, + RK2928_CLKSEL_CON(2), 5, 1, MFLAGS, RK2928_CLKGATE_CON(1), 1, GFLAGS), COMPOSITE_NODIV(SCLK_TIMER2, "sclk_timer2", mux_timer_p, CLK_IGNORE_UNUSED, - RK2928_CLKSEL_CON(2), 6, 1, DFLAGS, + RK2928_CLKSEL_CON(2), 6, 1, MFLAGS, RK2928_CLKGATE_CON(2), 4, GFLAGS), COMPOSITE_NODIV(SCLK_TIMER3, "sclk_timer3", mux_timer_p, CLK_IGNORE_UNUSED, - RK2928_CLKSEL_CON(2), 7, 1, DFLAGS, + RK2928_CLKSEL_CON(2), 7, 1, MFLAGS, RK2928_CLKGATE_CON(2), 5, GFLAGS), MUX(0, "uart_pll_clk", mux_pll_src_apll_dpll_gpll_usb480m_p, 0, @@ -242,11 +242,11 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, RK2928_CLKGATE_CON(1), 8, GFLAGS), COMPOSITE_NOMUX(0, "uart1_src", "uart_pll_clk", 0, - RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, - RK2928_CLKGATE_CON(1), 8, GFLAGS), + RK2928_CLKSEL_CON(14), 0, 7, DFLAGS, + RK2928_CLKGATE_CON(1), 10, GFLAGS), COMPOSITE_NOMUX(0, "uart2_src", "uart_pll_clk", 0, - RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, - RK2928_CLKGATE_CON(1), 8, GFLAGS), + RK2928_CLKSEL_CON(15), 0, 7, DFLAGS, + RK2928_CLKGATE_CON(1), 12, GFLAGS), COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, RK2928_CLKSEL_CON(17), 0, RK2928_CLKGATE_CON(1), 9, GFLAGS, @@ -279,13 +279,13 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKGATE_CON(3), 2, GFLAGS), COMPOSITE_NODIV(0, "sclk_sdmmc_src", mux_mmc_src_p, 0, - RK2928_CLKSEL_CON(12), 8, 2, DFLAGS, + RK2928_CLKSEL_CON(12), 8, 2, MFLAGS, RK2928_CLKGATE_CON(2), 11, GFLAGS), DIV(SCLK_SDMMC, "sclk_sdmmc", "sclk_sdmmc_src", 0, RK2928_CLKSEL_CON(11), 0, 7, DFLAGS), COMPOSITE_NODIV(0, "sclk_sdio_src", mux_mmc_src_p, 0, - RK2928_CLKSEL_CON(12), 10, 2, DFLAGS, + RK2928_CLKSEL_CON(12), 10, 2, MFLAGS, RK2928_CLKGATE_CON(2), 13, GFLAGS), DIV(SCLK_SDIO, "sclk_sdio", "sclk_sdio_src", 0, RK2928_CLKSEL_CON(11), 8, 7, DFLAGS), @@ -344,12 +344,12 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKGATE_CON(10), 5, GFLAGS), COMPOSITE_NOGATE(0, "mac_pll_src", mux_pll_src_3plls_p, 0, - RK2928_CLKSEL_CON(21), 0, 2, MFLAGS, 4, 5, DFLAGS), + RK2928_CLKSEL_CON(21), 0, 2, MFLAGS, 9, 5, DFLAGS), MUX(SCLK_MACREF, "mac_clk_ref", mux_mac_p, CLK_SET_RATE_PARENT, RK2928_CLKSEL_CON(21), 3, 1, MFLAGS), COMPOSITE_NOMUX(SCLK_MAC, "mac_clk", "mac_clk_ref", 0, - RK2928_CLKSEL_CON(21), 9, 5, DFLAGS, + RK2928_CLKSEL_CON(21), 4, 5, DFLAGS, RK2928_CLKGATE_CON(2), 6, GFLAGS), MUX(SCLK_HDMI, "dclk_hdmi", mux_dclk_p, 0, diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c index be0ede522269..21f3ea909fab 100644 --- a/drivers/clk/rockchip/clk-rk3368.c +++ b/drivers/clk/rockchip/clk-rk3368.c @@ -780,13 +780,13 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = { GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK3368_CLKGATE_CON(20), 0, GFLAGS), /* pclk_pd_alive gates */ - GATE(PCLK_TIMER1, "pclk_timer1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 8, GFLAGS), - GATE(PCLK_TIMER0, "pclk_timer0", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 7, GFLAGS), - GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 12, GFLAGS), - GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 11, GFLAGS), - GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 3, GFLAGS), - GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 2, GFLAGS), - GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(14), 1, GFLAGS), + GATE(PCLK_TIMER1, "pclk_timer1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 13, GFLAGS), + GATE(PCLK_TIMER0, "pclk_timer0", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 12, GFLAGS), + GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(22), 9, GFLAGS), + GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(22), 8, GFLAGS), + GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 3, GFLAGS), + GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 2, GFLAGS), + GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_pd_alive", 0, RK3368_CLKGATE_CON(22), 1, GFLAGS), /* * pclk_vio gates @@ -796,12 +796,12 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = { GATE(0, "pclk_dphytx", "hclk_vio", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(14), 8, GFLAGS), /* pclk_pd_pmu gates */ - GATE(PCLK_PMUGRF, "pclk_pmugrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 0, GFLAGS), - GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3368_CLKGATE_CON(17), 4, GFLAGS), - GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 3, GFLAGS), - GATE(0, "pclk_pmu_noc", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 2, GFLAGS), - GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 1, GFLAGS), - GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(17), 2, GFLAGS), + GATE(PCLK_PMUGRF, "pclk_pmugrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 5, GFLAGS), + GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3368_CLKGATE_CON(23), 4, GFLAGS), + GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 3, GFLAGS), + GATE(0, "pclk_pmu_noc", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 2, GFLAGS), + GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 1, GFLAGS), + GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(23), 0, GFLAGS), /* timer gates */ GATE(0, "sclk_timer15", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 11, GFLAGS), diff --git a/drivers/clk/tegra/clk-emc.c b/drivers/clk/tegra/clk-emc.c index e1fe8f35d45c..74e7544f861b 100644 --- a/drivers/clk/tegra/clk-emc.c +++ b/drivers/clk/tegra/clk-emc.c @@ -450,8 +450,10 @@ static int load_timings_from_dt(struct tegra_clk_emc *tegra, struct emc_timing *timing = tegra->timings + (i++); err = load_one_timing_from_dt(tegra, timing, child); - if (err) + if (err) { + of_node_put(child); return err; + } timing->ram_code = ram_code; } @@ -499,9 +501,9 @@ struct clk *tegra_clk_register_emc(void __iomem *base, struct device_node *np, * fuses until the apbmisc driver is loaded. */ err = load_timings_from_dt(tegra, node, node_ram_code); + of_node_put(node); if (err) return ERR_PTR(err); - of_node_put(node); break; } diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h index 19ce0738ee76..62ea38187b71 100644 --- a/drivers/clk/tegra/clk-id.h +++ b/drivers/clk/tegra/clk-id.h @@ -11,6 +11,7 @@ enum clk_id { tegra_clk_afi, tegra_clk_amx, tegra_clk_amx1, + tegra_clk_apb2ape, tegra_clk_apbdma, tegra_clk_apbif, tegra_clk_ape, diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index a534bfab30b3..6ac3f843e7ca 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -86,15 +86,21 @@ #define PLLE_SS_DISABLE (PLLE_SS_CNTL_BYPASS_SS | PLLE_SS_CNTL_INTERP_RESET |\ PLLE_SS_CNTL_SSC_BYP) #define PLLE_SS_MAX_MASK 0x1ff -#define PLLE_SS_MAX_VAL 0x25 +#define PLLE_SS_MAX_VAL_TEGRA114 0x25 +#define PLLE_SS_MAX_VAL_TEGRA210 0x21 #define PLLE_SS_INC_MASK (0xff << 16) #define PLLE_SS_INC_VAL (0x1 << 16) #define PLLE_SS_INCINTRV_MASK (0x3f << 24) -#define PLLE_SS_INCINTRV_VAL (0x20 << 24) +#define PLLE_SS_INCINTRV_VAL_TEGRA114 (0x20 << 24) +#define PLLE_SS_INCINTRV_VAL_TEGRA210 (0x23 << 24) #define PLLE_SS_COEFFICIENTS_MASK \ (PLLE_SS_MAX_MASK | PLLE_SS_INC_MASK | PLLE_SS_INCINTRV_MASK) -#define PLLE_SS_COEFFICIENTS_VAL \ - (PLLE_SS_MAX_VAL | PLLE_SS_INC_VAL | PLLE_SS_INCINTRV_VAL) +#define PLLE_SS_COEFFICIENTS_VAL_TEGRA114 \ + (PLLE_SS_MAX_VAL_TEGRA114 | PLLE_SS_INC_VAL |\ + PLLE_SS_INCINTRV_VAL_TEGRA114) +#define PLLE_SS_COEFFICIENTS_VAL_TEGRA210 \ + (PLLE_SS_MAX_VAL_TEGRA210 | PLLE_SS_INC_VAL |\ + PLLE_SS_INCINTRV_VAL_TEGRA210) #define PLLE_AUX_PLLP_SEL BIT(2) #define PLLE_AUX_USE_LOCKDET BIT(3) @@ -880,7 +886,7 @@ static int clk_plle_training(struct tegra_clk_pll *pll) static int clk_plle_enable(struct clk_hw *hw) { struct tegra_clk_pll *pll = to_clk_pll(hw); - unsigned long input_rate = clk_get_rate(clk_get_parent(hw->clk)); + unsigned long input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); struct tegra_clk_pll_freq_table sel; u32 val; int err; @@ -1378,7 +1384,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) u32 val; int ret; unsigned long flags = 0; - unsigned long input_rate = clk_get_rate(clk_get_parent(hw->clk)); + unsigned long input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate)) return -EINVAL; @@ -1401,7 +1407,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) val |= PLLE_MISC_IDDQ_SW_CTRL; val &= ~PLLE_MISC_IDDQ_SW_VALUE; val |= PLLE_MISC_PLLE_PTS; - val |= PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK; + val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK); pll_writel_misc(val, pll); udelay(5); @@ -1428,7 +1434,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) val = pll_readl(PLLE_SS_CTRL, pll); val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT); val &= ~PLLE_SS_COEFFICIENTS_MASK; - val |= PLLE_SS_COEFFICIENTS_VAL; + val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA114; pll_writel(val, PLLE_SS_CTRL, pll); val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS); pll_writel(val, PLLE_SS_CTRL, pll); @@ -2012,9 +2018,9 @@ static int clk_plle_tegra210_enable(struct clk_hw *hw) struct tegra_clk_pll *pll = to_clk_pll(hw); struct tegra_clk_pll_freq_table sel; u32 val; - int ret; + int ret = 0; unsigned long flags = 0; - unsigned long input_rate = clk_get_rate(clk_get_parent(hw->clk)); + unsigned long input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate)) return -EINVAL; @@ -2022,22 +2028,20 @@ static int clk_plle_tegra210_enable(struct clk_hw *hw) if (pll->lock) spin_lock_irqsave(pll->lock, flags); + val = pll_readl(pll->params->aux_reg, pll); + if (val & PLLE_AUX_SEQ_ENABLE) + goto out; + val = pll_readl_base(pll); val &= ~BIT(30); /* Disable lock override */ pll_writel_base(val, pll); - val = pll_readl(pll->params->aux_reg, pll); - val |= PLLE_AUX_ENABLE_SWCTL; - val &= ~PLLE_AUX_SEQ_ENABLE; - pll_writel(val, pll->params->aux_reg, pll); - udelay(1); - val = pll_readl_misc(pll); val |= PLLE_MISC_LOCK_ENABLE; val |= PLLE_MISC_IDDQ_SW_CTRL; val &= ~PLLE_MISC_IDDQ_SW_VALUE; val |= PLLE_MISC_PLLE_PTS; - val |= PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK; + val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK); pll_writel_misc(val, pll); udelay(5); @@ -2067,7 +2071,7 @@ static int clk_plle_tegra210_enable(struct clk_hw *hw) val = pll_readl(PLLE_SS_CTRL, pll); val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT); val &= ~PLLE_SS_COEFFICIENTS_MASK; - val |= PLLE_SS_COEFFICIENTS_VAL; + val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA210; pll_writel(val, PLLE_SS_CTRL, pll); val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS); pll_writel(val, PLLE_SS_CTRL, pll); @@ -2104,15 +2108,25 @@ static void clk_plle_tegra210_disable(struct clk_hw *hw) if (pll->lock) spin_lock_irqsave(pll->lock, flags); + /* If PLLE HW sequencer is enabled, SW should not disable PLLE */ + val = pll_readl(pll->params->aux_reg, pll); + if (val & PLLE_AUX_SEQ_ENABLE) + goto out; + val = pll_readl_base(pll); val &= ~PLLE_BASE_ENABLE; pll_writel_base(val, pll); + val = pll_readl(pll->params->aux_reg, pll); + val |= PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL; + pll_writel(val, pll->params->aux_reg, pll); + val = pll_readl_misc(pll); val |= PLLE_MISC_IDDQ_SW_CTRL | PLLE_MISC_IDDQ_SW_VALUE; pll_writel_misc(val, pll); udelay(1); +out: if (pll->lock) spin_unlock_irqrestore(pll->lock, flags); } diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 6ad381a888a6..ea2b9cbf9e70 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -773,7 +773,7 @@ static struct tegra_periph_init_data periph_clks[] = { XUSB("xusb_dev_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_DEV_SRC, 95, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_dev_src), XUSB("xusb_dev_src", mux_clkm_pllp_pllre, CLK_SOURCE_XUSB_DEV_SRC, 95, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_dev_src_8), MUX8("dbgapb", mux_pllp_clkm_2, CLK_SOURCE_DBGAPB, 185, TEGRA_PERIPH_NO_RESET, tegra_clk_dbgapb), - MUX8("msenc", mux_pllc2_c_c3_pllp_plla1_clkm, CLK_SOURCE_NVENC, 219, 0, tegra_clk_nvenc), + MUX8("nvenc", mux_pllc2_c_c3_pllp_plla1_clkm, CLK_SOURCE_NVENC, 219, 0, tegra_clk_nvenc), MUX8("nvdec", mux_pllc2_c_c3_pllp_plla1_clkm, CLK_SOURCE_NVDEC, 194, 0, tegra_clk_nvdec), MUX8("nvjpg", mux_pllc2_c_c3_pllp_plla1_clkm, CLK_SOURCE_NVJPG, 195, 0, tegra_clk_nvjpg), MUX8("ape", mux_plla_pllc4_out0_pllc_pllc4_out1_pllp_pllc4_out2_clkm, CLK_SOURCE_APE, 198, TEGRA_PERIPH_ON_APB, tegra_clk_ape), @@ -782,7 +782,7 @@ static struct tegra_periph_init_data periph_clks[] = { NODIV("sor1", mux_clkm_sor1_brick_sor1_src, CLK_SOURCE_SOR1, 15, MASK(1), 183, 0, tegra_clk_sor1, &sor1_lock), MUX8("sdmmc_legacy", mux_pllp_out3_clkm_pllp_pllc4, CLK_SOURCE_SDMMC_LEGACY, 193, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_sdmmc_legacy), MUX8("qspi", mux_pllp_pllc_pllc_out1_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_QSPI, 211, TEGRA_PERIPH_ON_APB, tegra_clk_qspi), - MUX("vii2c", mux_pllp_pllc_clkm, CLK_SOURCE_VI_I2C, 208, TEGRA_PERIPH_ON_APB, tegra_clk_vi_i2c), + I2C("vii2c", mux_pllp_pllc_clkm, CLK_SOURCE_VI_I2C, 208, tegra_clk_vi_i2c), MUX("mipibif", mux_pllp_clkm, CLK_SOURCE_MIPIBIF, 173, TEGRA_PERIPH_ON_APB, tegra_clk_mipibif), MUX("uartape", mux_pllp_pllc_clkm, CLK_SOURCE_UARTAPE, 212, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_uartape), MUX8("tsecb", mux_pllp_pllc2_c_c3_clkm, CLK_SOURCE_TSECB, 206, 0, tegra_clk_tsecb), @@ -829,6 +829,7 @@ static struct tegra_periph_init_data gate_clks[] = { GATE("xusb_gate", "osc", 143, 0, tegra_clk_xusb_gate, 0), GATE("pll_p_out_cpu", "pll_p", 223, 0, tegra_clk_pll_p_out_cpu, 0), GATE("pll_p_out_adsp", "pll_p", 187, 0, tegra_clk_pll_p_out_adsp, 0), + GATE("apb2ape", "clk_m", 107, 0, tegra_clk_apb2ape, 0), }; static struct tegra_periph_init_data div_clks[] = { diff --git a/drivers/clk/tegra/clk-tegra-super-gen4.c b/drivers/clk/tegra/clk-tegra-super-gen4.c index 4559a20e3af6..474de0f0c26d 100644 --- a/drivers/clk/tegra/clk-tegra-super-gen4.c +++ b/drivers/clk/tegra/clk-tegra-super-gen4.c @@ -67,7 +67,7 @@ static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m", "pll_p", "pll_p_out4", "unused", "unused", "pll_x", "pll_x_out0" }; -const struct tegra_super_gen_info tegra_super_gen_info_gen4 = { +static const struct tegra_super_gen_info tegra_super_gen_info_gen4 = { .gen = gen4, .sclk_parents = sclk_parents, .cclk_g_parents = cclk_g_parents, @@ -93,7 +93,7 @@ static const char *cclk_lp_parents_gen5[] = { "clk_m", "unused", "clk_32k", "unu "unused", "unused", "unused", "unused", "dfllCPU_out" }; -const struct tegra_super_gen_info tegra_super_gen_info_gen5 = { +static const struct tegra_super_gen_info tegra_super_gen_info_gen5 = { .gen = gen5, .sclk_parents = sclk_parents_gen5, .cclk_g_parents = cclk_g_parents_gen5, @@ -171,7 +171,7 @@ static void __init tegra_sclk_init(void __iomem *clk_base, *dt_clk = clk; } -void __init tegra_super_clk_init(void __iomem *clk_base, +static void __init tegra_super_clk_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, struct tegra_clk_pll_params *params, diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 58514c44ea83..637041fd53ad 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -59,8 +59,8 @@ #define PLLC3_MISC3 0x50c #define PLLM_BASE 0x90 -#define PLLM_MISC0 0x9c #define PLLM_MISC1 0x98 +#define PLLM_MISC2 0x9c #define PLLP_BASE 0xa0 #define PLLP_MISC0 0xac #define PLLP_MISC1 0x680 @@ -99,7 +99,7 @@ #define PLLC4_MISC0 0x5a8 #define PLLC4_OUT 0x5e4 #define PLLMB_BASE 0x5e8 -#define PLLMB_MISC0 0x5ec +#define PLLMB_MISC1 0x5ec #define PLLA1_BASE 0x6a4 #define PLLA1_MISC0 0x6a8 #define PLLA1_MISC1 0x6ac @@ -243,7 +243,8 @@ static unsigned long tegra210_input_freq[] = { }; static const char *mux_pllmcp_clkm[] = { - "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_c2", "pll_c3", + "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb", + "pll_p", }; #define mux_pllmcp_clkm_idx NULL @@ -367,12 +368,12 @@ static const char *mux_pllmcp_clkm[] = { /* PLLMB */ #define PLLMB_BASE_LOCK (1 << 27) -#define PLLMB_MISC0_LOCK_OVERRIDE (1 << 18) -#define PLLMB_MISC0_IDDQ (1 << 17) -#define PLLMB_MISC0_LOCK_ENABLE (1 << 16) +#define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18) +#define PLLMB_MISC1_IDDQ (1 << 17) +#define PLLMB_MISC1_LOCK_ENABLE (1 << 16) -#define PLLMB_MISC0_DEFAULT_VALUE 0x00030000 -#define PLLMB_MISC0_WRITE_MASK 0x0007ffff +#define PLLMB_MISC1_DEFAULT_VALUE 0x00030000 +#define PLLMB_MISC1_WRITE_MASK 0x0007ffff /* PLLP */ #define PLLP_BASE_OVERRIDE (1 << 28) @@ -457,7 +458,8 @@ static void pllcx_check_defaults(struct tegra_clk_pll_params *params) PLLCX_MISC3_WRITE_MASK); } -void tegra210_pllcx_set_defaults(const char *name, struct tegra_clk_pll *pllcx) +static void tegra210_pllcx_set_defaults(const char *name, + struct tegra_clk_pll *pllcx) { pllcx->params->defaults_set = true; @@ -482,22 +484,22 @@ void tegra210_pllcx_set_defaults(const char *name, struct tegra_clk_pll *pllcx) udelay(1); } -void _pllc_set_defaults(struct tegra_clk_pll *pllcx) +static void _pllc_set_defaults(struct tegra_clk_pll *pllcx) { tegra210_pllcx_set_defaults("PLL_C", pllcx); } -void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) +static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx) { tegra210_pllcx_set_defaults("PLL_C2", pllcx); } -void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) +static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx) { tegra210_pllcx_set_defaults("PLL_C3", pllcx); } -void _plla1_set_defaults(struct tegra_clk_pll *pllcx) +static void _plla1_set_defaults(struct tegra_clk_pll *pllcx) { tegra210_pllcx_set_defaults("PLL_A1", pllcx); } @@ -507,7 +509,7 @@ void _plla1_set_defaults(struct tegra_clk_pll *pllcx) * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used. * Fractional SDM is allowed to provide exact audio rates. */ -void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) +static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) { u32 mask; u32 val = readl_relaxed(clk_base + plla->params->base_reg); @@ -559,7 +561,7 @@ void tegra210_plla_set_defaults(struct tegra_clk_pll *plla) * PLLD * PLL with fractional SDM. */ -void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) +static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld) { u32 val; u32 mask = 0xffff; @@ -698,7 +700,7 @@ static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss, udelay(1); } -void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) +static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) { plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE, PLLD2_MISC1_CFG_DEFAULT_VALUE, @@ -706,7 +708,7 @@ void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2) PLLD2_MISC3_CTRL2_DEFAULT_VALUE); } -void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) +static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) { plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE, PLLDP_MISC1_CFG_DEFAULT_VALUE, @@ -719,7 +721,7 @@ void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp) * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support. * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers. */ -void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) +static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) { plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0); } @@ -728,7 +730,7 @@ void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4) * PLLRE * VCO is exposed to the clock tree directly along with post-divider output */ -void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) +static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) { u32 mask; u32 val = readl_relaxed(clk_base + pllre->params->base_reg); @@ -780,13 +782,13 @@ static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b) { unsigned long input_rate; - if (!IS_ERR_OR_NULL(hw->clk)) { + /* cf rate */ + if (!IS_ERR_OR_NULL(hw->clk)) input_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); - /* cf rate */ - input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); - } else { + else input_rate = 38400000; - } + + input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate); switch (input_rate) { case 12000000: @@ -841,7 +843,7 @@ static void pllx_check_defaults(struct tegra_clk_pll *pll) PLLX_MISC5_WRITE_MASK); } -void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) +static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) { u32 val; u32 step_a, step_b; @@ -901,7 +903,7 @@ void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx) } /* PLLMB */ -void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) +static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) { u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg); @@ -914,15 +916,15 @@ void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) * PLL is ON: check if defaults already set, then set those * that can be updated in flight. */ - val = PLLMB_MISC0_DEFAULT_VALUE & (~PLLMB_MISC0_IDDQ); - mask = PLLMB_MISC0_LOCK_ENABLE | PLLMB_MISC0_LOCK_OVERRIDE; + val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ); + mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE; _pll_misc_chk_default(clk_base, pllmb->params, 0, val, - ~mask & PLLMB_MISC0_WRITE_MASK); + ~mask & PLLMB_MISC1_WRITE_MASK); /* Enable lock detect */ val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]); val &= ~mask; - val |= PLLMB_MISC0_DEFAULT_VALUE & mask; + val |= PLLMB_MISC1_DEFAULT_VALUE & mask; writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]); udelay(1); @@ -930,7 +932,7 @@ void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb) } /* set IDDQ, enable lock detect */ - writel_relaxed(PLLMB_MISC0_DEFAULT_VALUE, + writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE, clk_base + pllmb->params->ext_misc_reg[0]); udelay(1); } @@ -960,7 +962,7 @@ static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled) ~mask & PLLP_MISC1_WRITE_MASK); } -void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) +static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp) { u32 mask; u32 val = readl_relaxed(clk_base + pllp->params->base_reg); @@ -1022,7 +1024,7 @@ static void pllu_check_defaults(struct tegra_clk_pll *pll, bool hw_control) ~mask & PLLU_MISC1_WRITE_MASK); } -void tegra210_pllu_set_defaults(struct tegra_clk_pll *pllu) +static void tegra210_pllu_set_defaults(struct tegra_clk_pll *pllu) { u32 val = readl_relaxed(clk_base + pllu->params->base_reg); @@ -1212,8 +1214,9 @@ static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg) cfg->m *= PLL_SDM_COEFF; } -unsigned long tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, - unsigned long parent_rate) +static unsigned long +tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params, + unsigned long parent_rate) { unsigned long vco_min = params->vco_min; @@ -1386,7 +1389,7 @@ static struct tegra_clk_pll_params pll_c_params = { .mdiv_default = 3, .div_nmp = &pllc_nmp, .freq_table = pll_cx_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .set_defaults = _pllc_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1425,7 +1428,7 @@ static struct tegra_clk_pll_params pll_c2_params = { .ext_misc_reg[2] = PLLC2_MISC2, .ext_misc_reg[3] = PLLC2_MISC3, .freq_table = pll_cx_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .set_defaults = _pllc2_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1455,7 +1458,7 @@ static struct tegra_clk_pll_params pll_c3_params = { .ext_misc_reg[2] = PLLC3_MISC2, .ext_misc_reg[3] = PLLC3_MISC3, .freq_table = pll_cx_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .set_defaults = _pllc3_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1505,7 +1508,6 @@ static struct tegra_clk_pll_params pll_c4_vco_params = { .base_reg = PLLC4_BASE, .misc_reg = PLLC4_MISC0, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE, .lock_delay = 300, .max_p = PLL_QLIN_PDIV_MAX, .ext_misc_reg[0] = PLLC4_MISC0, @@ -1517,8 +1519,7 @@ static struct tegra_clk_pll_params pll_c4_vco_params = { .div_nmp = &pllss_nmp, .freq_table = pll_c4_vco_freq_table, .set_defaults = tegra210_pllc4_set_defaults, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE | - TEGRA_PLL_VCO_OUT, + .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1559,15 +1560,15 @@ static struct tegra_clk_pll_params pll_m_params = { .vco_min = 800000000, .vco_max = 1866000000, .base_reg = PLLM_BASE, - .misc_reg = PLLM_MISC1, + .misc_reg = PLLM_MISC2, .lock_mask = PLL_BASE_LOCK, .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE, .lock_delay = 300, - .iddq_reg = PLLM_MISC0, + .iddq_reg = PLLM_MISC2, .iddq_bit_idx = PLLM_IDDQ_BIT, .max_p = PLL_QLIN_PDIV_MAX, - .ext_misc_reg[0] = PLLM_MISC0, - .ext_misc_reg[0] = PLLM_MISC1, + .ext_misc_reg[0] = PLLM_MISC2, + .ext_misc_reg[1] = PLLM_MISC1, .round_p_to_pdiv = pll_qlin_p_to_pdiv, .pdiv_tohw = pll_qlin_pdiv_to_hw, .div_nmp = &pllm_nmp, @@ -1586,19 +1587,18 @@ static struct tegra_clk_pll_params pll_mb_params = { .vco_min = 800000000, .vco_max = 1866000000, .base_reg = PLLMB_BASE, - .misc_reg = PLLMB_MISC0, + .misc_reg = PLLMB_MISC1, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLMB_MISC_LOCK_ENABLE, .lock_delay = 300, - .iddq_reg = PLLMB_MISC0, + .iddq_reg = PLLMB_MISC1, .iddq_bit_idx = PLLMB_IDDQ_BIT, .max_p = PLL_QLIN_PDIV_MAX, - .ext_misc_reg[0] = PLLMB_MISC0, + .ext_misc_reg[0] = PLLMB_MISC1, .round_p_to_pdiv = pll_qlin_p_to_pdiv, .pdiv_tohw = pll_qlin_pdiv_to_hw, .div_nmp = &pllm_nmp, .freq_table = pll_m_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .set_defaults = tegra210_pllmb_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1671,7 +1671,6 @@ static struct tegra_clk_pll_params pll_re_vco_params = { .base_reg = PLLRE_BASE, .misc_reg = PLLRE_MISC0, .lock_mask = PLLRE_MISC_LOCK, - .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE, .lock_delay = 300, .max_p = PLL_QLIN_PDIV_MAX, .ext_misc_reg[0] = PLLRE_MISC0, @@ -1681,8 +1680,7 @@ static struct tegra_clk_pll_params pll_re_vco_params = { .pdiv_tohw = pll_qlin_pdiv_to_hw, .div_nmp = &pllre_nmp, .freq_table = pll_re_vco_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | - TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_VCO_OUT, + .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT, .set_defaults = tegra210_pllre_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1712,7 +1710,6 @@ static struct tegra_clk_pll_params pll_p_params = { .base_reg = PLLP_BASE, .misc_reg = PLLP_MISC0, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLP_MISC_LOCK_ENABLE, .lock_delay = 300, .iddq_reg = PLLP_MISC0, .iddq_bit_idx = PLLXP_IDDQ_BIT, @@ -1721,8 +1718,7 @@ static struct tegra_clk_pll_params pll_p_params = { .div_nmp = &pllp_nmp, .freq_table = pll_p_freq_table, .fixed_rate = 408000000, - .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | - TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_VCO_OUT, + .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, .set_defaults = tegra210_pllp_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1750,7 +1746,7 @@ static struct tegra_clk_pll_params pll_a1_params = { .ext_misc_reg[2] = PLLA1_MISC2, .ext_misc_reg[3] = PLLA1_MISC3, .freq_table = pll_cx_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .set_defaults = _plla1_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -1787,7 +1783,6 @@ static struct tegra_clk_pll_params pll_a_params = { .base_reg = PLLA_BASE, .misc_reg = PLLA_MISC0, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLA_MISC_LOCK_ENABLE, .lock_delay = 300, .round_p_to_pdiv = pll_qlin_p_to_pdiv, .pdiv_tohw = pll_qlin_pdiv_to_hw, @@ -1802,8 +1797,7 @@ static struct tegra_clk_pll_params pll_a_params = { .ext_misc_reg[1] = PLLA_MISC1, .ext_misc_reg[2] = PLLA_MISC2, .freq_table = pll_a_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW | - TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW, .set_defaults = tegra210_plla_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, .set_gain = tegra210_clk_pll_set_gain, @@ -1836,7 +1830,6 @@ static struct tegra_clk_pll_params pll_d_params = { .base_reg = PLLD_BASE, .misc_reg = PLLD_MISC0, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLD_MISC_LOCK_ENABLE, .lock_delay = 1000, .iddq_reg = PLLD_MISC0, .iddq_bit_idx = PLLD_IDDQ_BIT, @@ -1850,7 +1843,7 @@ static struct tegra_clk_pll_params pll_d_params = { .ext_misc_reg[0] = PLLD_MISC0, .ext_misc_reg[1] = PLLD_MISC1, .freq_table = pll_d_freq_table, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .mdiv_default = 1, .set_defaults = tegra210_plld_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, @@ -1876,7 +1869,6 @@ static struct tegra_clk_pll_params pll_d2_params = { .base_reg = PLLD2_BASE, .misc_reg = PLLD2_MISC0, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE, .lock_delay = 300, .iddq_reg = PLLD2_BASE, .iddq_bit_idx = PLLSS_IDDQ_BIT, @@ -1897,7 +1889,7 @@ static struct tegra_clk_pll_params pll_d2_params = { .mdiv_default = 1, .freq_table = tegra210_pll_d2_freq_table, .set_defaults = tegra210_plld2_set_defaults, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .calc_rate = tegra210_pll_fixed_mdiv_cfg, .set_gain = tegra210_clk_pll_set_gain, .adjust_vco = tegra210_clk_adjust_vco_min, @@ -1920,7 +1912,6 @@ static struct tegra_clk_pll_params pll_dp_params = { .base_reg = PLLDP_BASE, .misc_reg = PLLDP_MISC, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE, .lock_delay = 300, .iddq_reg = PLLDP_BASE, .iddq_bit_idx = PLLSS_IDDQ_BIT, @@ -1941,7 +1932,7 @@ static struct tegra_clk_pll_params pll_dp_params = { .mdiv_default = 1, .freq_table = pll_dp_freq_table, .set_defaults = tegra210_plldp_set_defaults, - .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .flags = TEGRA_PLL_USE_LOCK, .calc_rate = tegra210_pll_fixed_mdiv_cfg, .set_gain = tegra210_clk_pll_set_gain, .adjust_vco = tegra210_clk_adjust_vco_min, @@ -1973,7 +1964,6 @@ static struct tegra_clk_pll_params pll_u_vco_params = { .base_reg = PLLU_BASE, .misc_reg = PLLU_MISC0, .lock_mask = PLL_BASE_LOCK, - .lock_enable_bit_idx = PLLU_MISC_LOCK_ENABLE, .lock_delay = 1000, .iddq_reg = PLLU_MISC0, .iddq_bit_idx = PLLU_IDDQ_BIT, @@ -1983,8 +1973,7 @@ static struct tegra_clk_pll_params pll_u_vco_params = { .pdiv_tohw = pll_qlin_pdiv_to_hw, .div_nmp = &pllu_nmp, .freq_table = pll_u_freq_table, - .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE | - TEGRA_PLL_VCO_OUT, + .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT, .set_defaults = tegra210_pllu_set_defaults, .calc_rate = tegra210_pll_fixed_mdiv_cfg, }; @@ -2218,6 +2207,7 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true }, [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true }, [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true }, + [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true }, }; static struct tegra_devclk devclks[] __initdata = { @@ -2519,7 +2509,7 @@ static void __init tegra210_pll_init(void __iomem *clk_base, /* PLLU_VCO */ val = readl(clk_base + pll_u_vco_params.base_reg); - val &= ~BIT(24); /* disable PLLU_OVERRIDE */ + val &= ~PLLU_BASE_OVERRIDE; /* disable PLLU_OVERRIDE */ writel(val, clk_base + pll_u_vco_params.base_reg); clk = tegra_clk_register_pllre("pll_u_vco", "pll_ref", clk_base, pmc, @@ -2738,8 +2728,6 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 }, - { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 }, - { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 }, { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 }, { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 }, { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 }, diff --git a/drivers/clk/ti/dpll3xxx.c b/drivers/clk/ti/dpll3xxx.c index 1c300388782b..cc739291a3ce 100644 --- a/drivers/clk/ti/dpll3xxx.c +++ b/drivers/clk/ti/dpll3xxx.c @@ -460,7 +460,8 @@ int omap3_noncore_dpll_enable(struct clk_hw *hw) parent = clk_hw_get_parent(hw); - if (clk_hw_get_rate(hw) == clk_get_rate(dd->clk_bypass)) { + if (clk_hw_get_rate(hw) == + clk_hw_get_rate(__clk_get_hw(dd->clk_bypass))) { WARN_ON(parent != __clk_get_hw(dd->clk_bypass)); r = _omap3_noncore_dpll_bypass(clk); } else { diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c index e62f8cb2c9b5..3bca438ecd19 100644 --- a/drivers/clk/versatile/clk-icst.c +++ b/drivers/clk/versatile/clk-icst.c @@ -78,6 +78,9 @@ static int vco_set(struct clk_icst *icst, struct icst_vco vco) ret = regmap_read(icst->map, icst->vcoreg_off, &val); if (ret) return ret; + + /* Mask the 18 bits used by the VCO */ + val &= ~0x7ffff; val |= vco.v | (vco.r << 9) | (vco.s << 16); /* This magic unlocks the VCO so it can be controlled */ diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index 659879a56dba..f93511031177 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -296,6 +296,7 @@ endif config QORIQ_CPUFREQ tristate "CPU frequency scaling driver for Freescale QorIQ SoCs" depends on OF && COMMON_CLK && (PPC_E500MC || ARM) + depends on !CPU_THERMAL || THERMAL select CLK_QORIQ help This adds the CPUFreq driver support for Freescale QorIQ SoCs diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 0031069b64c9..14b1f9393b05 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -84,10 +84,10 @@ config ARM_KIRKWOOD_CPUFREQ SoCs. config ARM_MT8173_CPUFREQ - bool "Mediatek MT8173 CPUFreq support" + tristate "Mediatek MT8173 CPUFreq support" depends on ARCH_MEDIATEK && REGULATOR depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST) - depends on !CPU_THERMAL || THERMAL=y + depends on !CPU_THERMAL || THERMAL select PM_OPP help This adds the CPUFreq driver support for Mediatek MT8173 SoC. diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c index 1efba340456d..2058e6d292ce 100644 --- a/drivers/cpufreq/mt8173-cpufreq.c +++ b/drivers/cpufreq/mt8173-cpufreq.c @@ -17,6 +17,7 @@ #include <linux/cpu_cooling.h> #include <linux/cpufreq.h> #include <linux/cpumask.h> +#include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_opp.h> diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 6dd3317ca365..3eb3f1279fb7 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -400,7 +400,7 @@ static int atmel_aes_hw_init(struct atmel_aes_dev *dd) { int err; - err = clk_prepare_enable(dd->iclk); + err = clk_enable(dd->iclk); if (err) return err; @@ -430,7 +430,7 @@ static int atmel_aes_hw_version_init(struct atmel_aes_dev *dd) dev_info(dd->dev, "version: 0x%x\n", dd->hw_version); - clk_disable_unprepare(dd->iclk); + clk_disable(dd->iclk); return 0; } @@ -448,7 +448,7 @@ static inline bool atmel_aes_is_encrypt(const struct atmel_aes_dev *dd) static inline int atmel_aes_complete(struct atmel_aes_dev *dd, int err) { - clk_disable_unprepare(dd->iclk); + clk_disable(dd->iclk); dd->flags &= ~AES_FLAGS_BUSY; if (dd->is_async) @@ -2091,10 +2091,14 @@ static int atmel_aes_probe(struct platform_device *pdev) goto res_err; } - err = atmel_aes_hw_version_init(aes_dd); + err = clk_prepare(aes_dd->iclk); if (err) goto res_err; + err = atmel_aes_hw_version_init(aes_dd); + if (err) + goto iclk_unprepare; + atmel_aes_get_cap(aes_dd); err = atmel_aes_buff_init(aes_dd); @@ -2127,6 +2131,8 @@ err_algs: err_aes_dma: atmel_aes_buff_cleanup(aes_dd); err_aes_buff: +iclk_unprepare: + clk_unprepare(aes_dd->iclk); res_err: tasklet_kill(&aes_dd->done_task); tasklet_kill(&aes_dd->queue_task); @@ -2155,6 +2161,8 @@ static int atmel_aes_remove(struct platform_device *pdev) atmel_aes_dma_cleanup(aes_dd); atmel_aes_buff_cleanup(aes_dd); + clk_unprepare(aes_dd->iclk); + return 0; } diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 20de861aa0ea..8bf9914d4d15 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -782,7 +782,7 @@ static void atmel_sha_finish_req(struct ahash_request *req, int err) dd->flags &= ~(SHA_FLAGS_BUSY | SHA_FLAGS_FINAL | SHA_FLAGS_CPU | SHA_FLAGS_DMA_READY | SHA_FLAGS_OUTPUT_READY); - clk_disable_unprepare(dd->iclk); + clk_disable(dd->iclk); if (req->base.complete) req->base.complete(&req->base, err); @@ -795,7 +795,7 @@ static int atmel_sha_hw_init(struct atmel_sha_dev *dd) { int err; - err = clk_prepare_enable(dd->iclk); + err = clk_enable(dd->iclk); if (err) return err; @@ -822,7 +822,7 @@ static void atmel_sha_hw_version_init(struct atmel_sha_dev *dd) dev_info(dd->dev, "version: 0x%x\n", dd->hw_version); - clk_disable_unprepare(dd->iclk); + clk_disable(dd->iclk); } static int atmel_sha_handle_queue(struct atmel_sha_dev *dd, @@ -1410,6 +1410,10 @@ static int atmel_sha_probe(struct platform_device *pdev) goto res_err; } + err = clk_prepare(sha_dd->iclk); + if (err) + goto res_err; + atmel_sha_hw_version_init(sha_dd); atmel_sha_get_cap(sha_dd); @@ -1421,12 +1425,12 @@ static int atmel_sha_probe(struct platform_device *pdev) if (IS_ERR(pdata)) { dev_err(&pdev->dev, "platform data not available\n"); err = PTR_ERR(pdata); - goto res_err; + goto iclk_unprepare; } } if (!pdata->dma_slave) { err = -ENXIO; - goto res_err; + goto iclk_unprepare; } err = atmel_sha_dma_init(sha_dd, pdata); if (err) @@ -1457,6 +1461,8 @@ err_algs: if (sha_dd->caps.has_dma) atmel_sha_dma_cleanup(sha_dd); err_sha_dma: +iclk_unprepare: + clk_unprepare(sha_dd->iclk); res_err: tasklet_kill(&sha_dd->done_task); sha_dd_err: @@ -1483,12 +1489,7 @@ static int atmel_sha_remove(struct platform_device *pdev) if (sha_dd->caps.has_dma) atmel_sha_dma_cleanup(sha_dd); - iounmap(sha_dd->io_base); - - clk_put(sha_dd->iclk); - - if (sha_dd->irq >= 0) - free_irq(sha_dd->irq, sha_dd); + clk_unprepare(sha_dd->iclk); return 0; } diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 8abb4bc548cc..69d4a1326fee 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -534,8 +534,8 @@ static int caam_probe(struct platform_device *pdev) * long pointers in master configuration register */ clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK, MCFGR_AWCACHE_CACH | - MCFGR_WDENABLE | (sizeof(dma_addr_t) == sizeof(u64) ? - MCFGR_LONG_PTR : 0)); + MCFGR_AWCACHE_BUFF | MCFGR_WDENABLE | + (sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0)); /* * Read the Compile Time paramters and SCFGR to determine diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c index 0643e3366e33..c0656e7f37b5 100644 --- a/drivers/crypto/marvell/cesa.c +++ b/drivers/crypto/marvell/cesa.c @@ -306,7 +306,7 @@ static int mv_cesa_dev_dma_init(struct mv_cesa_dev *cesa) return -ENOMEM; dma->padding_pool = dmam_pool_create("cesa_padding", dev, 72, 1, 0); - if (!dma->cache_pool) + if (!dma->padding_pool) return -ENOMEM; cesa->dma = dma; diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c index 848b93ee930f..fe9dce0245bf 100644 --- a/drivers/devfreq/tegra-devfreq.c +++ b/drivers/devfreq/tegra-devfreq.c @@ -500,6 +500,8 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq, clk_set_min_rate(tegra->emc_clock, rate); clk_set_rate(tegra->emc_clock, 0); + *freq = rate; + return 0; } diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index e893318560db..5ad0ec1f0e29 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -156,7 +156,6 @@ static void dwc_initialize(struct dw_dma_chan *dwc) /* Enable interrupts */ channel_set_bit(dw, MASK.XFER, dwc->mask); - channel_set_bit(dw, MASK.BLOCK, dwc->mask); channel_set_bit(dw, MASK.ERROR, dwc->mask); dwc->initialized = true; @@ -588,6 +587,9 @@ static void dwc_handle_cyclic(struct dw_dma *dw, struct dw_dma_chan *dwc, spin_unlock_irqrestore(&dwc->lock, flags); } + + /* Re-enable interrupts */ + channel_set_bit(dw, MASK.BLOCK, dwc->mask); } /* ------------------------------------------------------------------------- */ @@ -618,11 +620,8 @@ static void dw_dma_tasklet(unsigned long data) dwc_scan_descriptors(dw, dwc); } - /* - * Re-enable interrupts. - */ + /* Re-enable interrupts */ channel_set_bit(dw, MASK.XFER, dw->all_chan_mask); - channel_set_bit(dw, MASK.BLOCK, dw->all_chan_mask); channel_set_bit(dw, MASK.ERROR, dw->all_chan_mask); } @@ -1261,6 +1260,7 @@ static void dwc_free_chan_resources(struct dma_chan *chan) int dw_dma_cyclic_start(struct dma_chan *chan) { struct dw_dma_chan *dwc = to_dw_dma_chan(chan); + struct dw_dma *dw = to_dw_dma(chan->device); unsigned long flags; if (!test_bit(DW_DMA_IS_CYCLIC, &dwc->flags)) { @@ -1269,7 +1269,12 @@ int dw_dma_cyclic_start(struct dma_chan *chan) } spin_lock_irqsave(&dwc->lock, flags); + + /* Enable interrupts to perform cyclic transfer */ + channel_set_bit(dw, MASK.BLOCK, dwc->mask); + dwc_dostart(dwc, dwc->cdesc->desc[0]); + spin_unlock_irqrestore(&dwc->lock, flags); return 0; diff --git a/drivers/dma/dw/pci.c b/drivers/dma/dw/pci.c index 4c30fdd092b3..358f9689a3f5 100644 --- a/drivers/dma/dw/pci.c +++ b/drivers/dma/dw/pci.c @@ -108,6 +108,10 @@ static const struct pci_device_id dw_pci_id_table[] = { /* Haswell */ { PCI_VDEVICE(INTEL, 0x9c60) }, + + /* Broadwell */ + { PCI_VDEVICE(INTEL, 0x9ce0) }, + { } }; MODULE_DEVICE_TABLE(pci, dw_pci_id_table); diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index d92d65549406..e3d7fcb69b4c 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -113,6 +113,9 @@ #define GET_NUM_REGN(x) ((x & 0x300000) >> 20) /* bits 20-21 */ #define CHMAP_EXIST BIT(24) +/* CCSTAT register */ +#define EDMA_CCSTAT_ACTV BIT(4) + /* * Max of 20 segments per channel to conserve PaRAM slots * Also note that MAX_NR_SG should be atleast the no.of periods @@ -1680,9 +1683,20 @@ static void edma_issue_pending(struct dma_chan *chan) spin_unlock_irqrestore(&echan->vchan.lock, flags); } +/* + * This limit exists to avoid a possible infinite loop when waiting for proof + * that a particular transfer is completed. This limit can be hit if there + * are large bursts to/from slow devices or the CPU is never able to catch + * the DMA hardware idle. On an AM335x transfering 48 bytes from the UART + * RX-FIFO, as many as 55 loops have been seen. + */ +#define EDMA_MAX_TR_WAIT_LOOPS 1000 + static u32 edma_residue(struct edma_desc *edesc) { bool dst = edesc->direction == DMA_DEV_TO_MEM; + int loop_count = EDMA_MAX_TR_WAIT_LOOPS; + struct edma_chan *echan = edesc->echan; struct edma_pset *pset = edesc->pset; dma_addr_t done, pos; int i; @@ -1691,7 +1705,32 @@ static u32 edma_residue(struct edma_desc *edesc) * We always read the dst/src position from the first RamPar * pset. That's the one which is active now. */ - pos = edma_get_position(edesc->echan->ecc, edesc->echan->slot[0], dst); + pos = edma_get_position(echan->ecc, echan->slot[0], dst); + + /* + * "pos" may represent a transfer request that is still being + * processed by the EDMACC or EDMATC. We will busy wait until + * any one of the situations occurs: + * 1. the DMA hardware is idle + * 2. a new transfer request is setup + * 3. we hit the loop limit + */ + while (edma_read(echan->ecc, EDMA_CCSTAT) & EDMA_CCSTAT_ACTV) { + /* check if a new transfer request is setup */ + if (edma_get_position(echan->ecc, + echan->slot[0], dst) != pos) { + break; + } + + if (!--loop_count) { + dev_dbg_ratelimited(echan->vchan.chan.device->dev, + "%s: timeout waiting for PaRAM update\n", + __func__); + break; + } + + cpu_relax(); + } /* * Cyclic is simple. Just subtract pset[0].addr from pos. diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 1d5df2ef148b..21539d5c54c3 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -861,32 +861,42 @@ void ioat_timer_event(unsigned long data) return; } + spin_lock_bh(&ioat_chan->cleanup_lock); + + /* handle the no-actives case */ + if (!ioat_ring_active(ioat_chan)) { + spin_lock_bh(&ioat_chan->prep_lock); + check_active(ioat_chan); + spin_unlock_bh(&ioat_chan->prep_lock); + spin_unlock_bh(&ioat_chan->cleanup_lock); + return; + } + /* if we haven't made progress and we have already * acknowledged a pending completion once, then be more * forceful with a restart */ - spin_lock_bh(&ioat_chan->cleanup_lock); if (ioat_cleanup_preamble(ioat_chan, &phys_complete)) __cleanup(ioat_chan, phys_complete); else if (test_bit(IOAT_COMPLETION_ACK, &ioat_chan->state)) { + u32 chanerr; + + chanerr = readl(ioat_chan->reg_base + IOAT_CHANERR_OFFSET); + dev_warn(to_dev(ioat_chan), "Restarting channel...\n"); + dev_warn(to_dev(ioat_chan), "CHANSTS: %#Lx CHANERR: %#x\n", + status, chanerr); + dev_warn(to_dev(ioat_chan), "Active descriptors: %d\n", + ioat_ring_active(ioat_chan)); + spin_lock_bh(&ioat_chan->prep_lock); ioat_restart_channel(ioat_chan); spin_unlock_bh(&ioat_chan->prep_lock); spin_unlock_bh(&ioat_chan->cleanup_lock); return; - } else { + } else set_bit(IOAT_COMPLETION_ACK, &ioat_chan->state); - mod_timer(&ioat_chan->timer, jiffies + COMPLETION_TIMEOUT); - } - - if (ioat_ring_active(ioat_chan)) - mod_timer(&ioat_chan->timer, jiffies + COMPLETION_TIMEOUT); - else { - spin_lock_bh(&ioat_chan->prep_lock); - check_active(ioat_chan); - spin_unlock_bh(&ioat_chan->prep_lock); - } + mod_timer(&ioat_chan->timer, jiffies + COMPLETION_TIMEOUT); spin_unlock_bh(&ioat_chan->cleanup_lock); } diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c index 756eca8c4cf8..10e6774ab2a2 100644 --- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -221,7 +221,7 @@ sanity_check(struct efi_variable *var, efi_char16_t *name, efi_guid_t vendor, } if ((attributes & ~EFI_VARIABLE_MASK) != 0 || - efivar_validate(name, data, size) == false) { + efivar_validate(vendor, name, data, size) == false) { printk(KERN_ERR "efivars: Malformed variable content\n"); return -EINVAL; } @@ -447,7 +447,8 @@ static ssize_t efivar_create(struct file *filp, struct kobject *kobj, } if ((attributes & ~EFI_VARIABLE_MASK) != 0 || - efivar_validate(name, data, size) == false) { + efivar_validate(new_var->VendorGuid, name, data, + size) == false) { printk(KERN_ERR "efivars: Malformed variable content\n"); return -EINVAL; } @@ -540,38 +541,30 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj, static int efivar_create_sysfs_entry(struct efivar_entry *new_var) { - int i, short_name_size; + int short_name_size; char *short_name; - unsigned long variable_name_size; - efi_char16_t *variable_name; + unsigned long utf8_name_size; + efi_char16_t *variable_name = new_var->var.VariableName; int ret; - variable_name = new_var->var.VariableName; - variable_name_size = ucs2_strlen(variable_name) * sizeof(efi_char16_t); - /* - * Length of the variable bytes in ASCII, plus the '-' separator, + * Length of the variable bytes in UTF8, plus the '-' separator, * plus the GUID, plus trailing NUL */ - short_name_size = variable_name_size / sizeof(efi_char16_t) - + 1 + EFI_VARIABLE_GUID_LEN + 1; - - short_name = kzalloc(short_name_size, GFP_KERNEL); + utf8_name_size = ucs2_utf8size(variable_name); + short_name_size = utf8_name_size + 1 + EFI_VARIABLE_GUID_LEN + 1; + short_name = kmalloc(short_name_size, GFP_KERNEL); if (!short_name) return -ENOMEM; - /* Convert Unicode to normal chars (assume top bits are 0), - ala UTF-8 */ - for (i=0; i < (int)(variable_name_size / sizeof(efi_char16_t)); i++) { - short_name[i] = variable_name[i] & 0xFF; - } + ucs2_as_utf8(short_name, variable_name, short_name_size); + /* This is ugly, but necessary to separate one vendor's private variables from another's. */ - - *(short_name + strlen(short_name)) = '-'; + short_name[utf8_name_size] = '-'; efi_guid_to_str(&new_var->var.VendorGuid, - short_name + strlen(short_name)); + short_name + utf8_name_size + 1); new_var->kobj.kset = efivars_kset; diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c index 70a0fb10517f..7f2ea21c730d 100644 --- a/drivers/firmware/efi/vars.c +++ b/drivers/firmware/efi/vars.c @@ -165,67 +165,133 @@ validate_ascii_string(efi_char16_t *var_name, int match, u8 *buffer, } struct variable_validate { + efi_guid_t vendor; char *name; bool (*validate)(efi_char16_t *var_name, int match, u8 *data, unsigned long len); }; +/* + * This is the list of variables we need to validate, as well as the + * whitelist for what we think is safe not to default to immutable. + * + * If it has a validate() method that's not NULL, it'll go into the + * validation routine. If not, it is assumed valid, but still used for + * whitelisting. + * + * Note that it's sorted by {vendor,name}, but globbed names must come after + * any other name with the same prefix. + */ static const struct variable_validate variable_validate[] = { - { "BootNext", validate_uint16 }, - { "BootOrder", validate_boot_order }, - { "DriverOrder", validate_boot_order }, - { "Boot*", validate_load_option }, - { "Driver*", validate_load_option }, - { "ConIn", validate_device_path }, - { "ConInDev", validate_device_path }, - { "ConOut", validate_device_path }, - { "ConOutDev", validate_device_path }, - { "ErrOut", validate_device_path }, - { "ErrOutDev", validate_device_path }, - { "Timeout", validate_uint16 }, - { "Lang", validate_ascii_string }, - { "PlatformLang", validate_ascii_string }, - { "", NULL }, + { EFI_GLOBAL_VARIABLE_GUID, "BootNext", validate_uint16 }, + { EFI_GLOBAL_VARIABLE_GUID, "BootOrder", validate_boot_order }, + { EFI_GLOBAL_VARIABLE_GUID, "Boot*", validate_load_option }, + { EFI_GLOBAL_VARIABLE_GUID, "DriverOrder", validate_boot_order }, + { EFI_GLOBAL_VARIABLE_GUID, "Driver*", validate_load_option }, + { EFI_GLOBAL_VARIABLE_GUID, "ConIn", validate_device_path }, + { EFI_GLOBAL_VARIABLE_GUID, "ConInDev", validate_device_path }, + { EFI_GLOBAL_VARIABLE_GUID, "ConOut", validate_device_path }, + { EFI_GLOBAL_VARIABLE_GUID, "ConOutDev", validate_device_path }, + { EFI_GLOBAL_VARIABLE_GUID, "ErrOut", validate_device_path }, + { EFI_GLOBAL_VARIABLE_GUID, "ErrOutDev", validate_device_path }, + { EFI_GLOBAL_VARIABLE_GUID, "Lang", validate_ascii_string }, + { EFI_GLOBAL_VARIABLE_GUID, "OsIndications", NULL }, + { EFI_GLOBAL_VARIABLE_GUID, "PlatformLang", validate_ascii_string }, + { EFI_GLOBAL_VARIABLE_GUID, "Timeout", validate_uint16 }, + { LINUX_EFI_CRASH_GUID, "*", NULL }, + { NULL_GUID, "", NULL }, }; +static bool +variable_matches(const char *var_name, size_t len, const char *match_name, + int *match) +{ + for (*match = 0; ; (*match)++) { + char c = match_name[*match]; + char u = var_name[*match]; + + /* Wildcard in the matching name means we've matched */ + if (c == '*') + return true; + + /* Case sensitive match */ + if (!c && *match == len) + return true; + + if (c != u) + return false; + + if (!c) + return true; + } + return true; +} + bool -efivar_validate(efi_char16_t *var_name, u8 *data, unsigned long len) +efivar_validate(efi_guid_t vendor, efi_char16_t *var_name, u8 *data, + unsigned long data_size) { int i; - u16 *unicode_name = var_name; + unsigned long utf8_size; + u8 *utf8_name; - for (i = 0; variable_validate[i].validate != NULL; i++) { - const char *name = variable_validate[i].name; - int match; + utf8_size = ucs2_utf8size(var_name); + utf8_name = kmalloc(utf8_size + 1, GFP_KERNEL); + if (!utf8_name) + return false; - for (match = 0; ; match++) { - char c = name[match]; - u16 u = unicode_name[match]; + ucs2_as_utf8(utf8_name, var_name, utf8_size); + utf8_name[utf8_size] = '\0'; - /* All special variables are plain ascii */ - if (u > 127) - return true; + for (i = 0; variable_validate[i].name[0] != '\0'; i++) { + const char *name = variable_validate[i].name; + int match = 0; - /* Wildcard in the matching name means we've matched */ - if (c == '*') - return variable_validate[i].validate(var_name, - match, data, len); + if (efi_guidcmp(vendor, variable_validate[i].vendor)) + continue; - /* Case sensitive match */ - if (c != u) + if (variable_matches(utf8_name, utf8_size+1, name, &match)) { + if (variable_validate[i].validate == NULL) break; - - /* Reached the end of the string while matching */ - if (!c) - return variable_validate[i].validate(var_name, - match, data, len); + kfree(utf8_name); + return variable_validate[i].validate(var_name, match, + data, data_size); } } - + kfree(utf8_name); return true; } EXPORT_SYMBOL_GPL(efivar_validate); +bool +efivar_variable_is_removable(efi_guid_t vendor, const char *var_name, + size_t len) +{ + int i; + bool found = false; + int match = 0; + + /* + * Check if our variable is in the validated variables list + */ + for (i = 0; variable_validate[i].name[0] != '\0'; i++) { + if (efi_guidcmp(variable_validate[i].vendor, vendor)) + continue; + + if (variable_matches(var_name, len, + variable_validate[i].name, &match)) { + found = true; + break; + } + } + + /* + * If it's in our list, it is removable. + */ + return found; +} +EXPORT_SYMBOL_GPL(efivar_variable_is_removable); + static efi_status_t check_var_size(u32 attributes, unsigned long size) { @@ -852,7 +918,7 @@ int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes, *set = false; - if (efivar_validate(name, data, *size) == false) + if (efivar_validate(*vendor, name, data, *size) == false) return -EINVAL; /* diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c index 2aeaebd1c6e7..3f87a03abc22 100644 --- a/drivers/gpio/gpio-altera.c +++ b/drivers/gpio/gpio-altera.c @@ -312,8 +312,8 @@ static int altera_gpio_probe(struct platform_device *pdev) handle_simple_irq, IRQ_TYPE_NONE); if (ret) { - dev_info(&pdev->dev, "could not add irqchip\n"); - return ret; + dev_err(&pdev->dev, "could not add irqchip\n"); + goto teardown; } gpiochip_set_chained_irqchip(&altera_gc->mmchip.gc, @@ -326,6 +326,7 @@ static int altera_gpio_probe(struct platform_device *pdev) skip_irq: return 0; teardown: + of_mm_gpiochip_remove(&altera_gc->mmchip); pr_err("%s: registration failed with status %d\n", node->full_name, ret); diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index ec58f4288649..cd007a67b302 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -195,7 +195,7 @@ static int davinci_gpio_of_xlate(struct gpio_chip *gc, static int davinci_gpio_probe(struct platform_device *pdev) { int i, base; - unsigned ngpio; + unsigned ngpio, nbank; struct davinci_gpio_controller *chips; struct davinci_gpio_platform_data *pdata; struct davinci_gpio_regs __iomem *regs; @@ -224,8 +224,9 @@ static int davinci_gpio_probe(struct platform_device *pdev) if (WARN_ON(ARCH_NR_GPIOS < ngpio)) ngpio = ARCH_NR_GPIOS; + nbank = DIV_ROUND_UP(ngpio, 32); chips = devm_kzalloc(dev, - ngpio * sizeof(struct davinci_gpio_controller), + nbank * sizeof(struct davinci_gpio_controller), GFP_KERNEL); if (!chips) return -ENOMEM; @@ -511,7 +512,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev) return irq; } - irq_domain = irq_domain_add_legacy(NULL, ngpio, irq, 0, + irq_domain = irq_domain_add_legacy(dev->of_node, ngpio, irq, 0, &davinci_gpio_irq_ops, chips); if (!irq_domain) { diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index cf41440aff91..d9ab0cd1d205 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -196,6 +196,44 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on) return 0; } +static void gpio_rcar_irq_bus_lock(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); + + pm_runtime_get_sync(&p->pdev->dev); +} + +static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); + + pm_runtime_put(&p->pdev->dev); +} + + +static int gpio_rcar_irq_request_resources(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); + int error; + + error = pm_runtime_get_sync(&p->pdev->dev); + if (error < 0) + return error; + + return 0; +} + +static void gpio_rcar_irq_release_resources(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); + + pm_runtime_put(&p->pdev->dev); +} + static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id) { struct gpio_rcar_priv *p = dev_id; @@ -450,6 +488,10 @@ static int gpio_rcar_probe(struct platform_device *pdev) irq_chip->irq_unmask = gpio_rcar_irq_enable; irq_chip->irq_set_type = gpio_rcar_irq_set_type; irq_chip->irq_set_wake = gpio_rcar_irq_set_wake; + irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock; + irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock; + irq_chip->irq_request_resources = gpio_rcar_irq_request_resources; + irq_chip->irq_release_resources = gpio_rcar_irq_release_resources; irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND; ret = gpiochip_add_data(gpio_chip, p); diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index 66f729eaf00b..20c9539abc36 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -25,7 +25,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \ amdgpu_ucode.o amdgpu_bo_list.o amdgpu_ctx.o amdgpu_sync.o # add asic specific block -amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o gmc_v7_0.o cik_ih.o kv_smc.o kv_dpm.o \ +amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o cik_ih.o kv_smc.o kv_dpm.o \ ci_smc.o ci_dpm.o dce_v8_0.o gfx_v7_0.o cik_sdma.o uvd_v4_2.o vce_v2_0.o \ amdgpu_amdkfd_gfx_v7.o @@ -34,6 +34,7 @@ amdgpu-y += \ # add GMC block amdgpu-y += \ + gmc_v7_0.o \ gmc_v8_0.o # add IH block diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 82edf95b7740..5e7770f9a415 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -87,6 +87,8 @@ extern int amdgpu_sched_jobs; extern int amdgpu_sched_hw_submission; extern int amdgpu_enable_semaphores; extern int amdgpu_powerplay; +extern unsigned amdgpu_pcie_gen_cap; +extern unsigned amdgpu_pcie_lane_cap; #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */ @@ -132,47 +134,6 @@ extern int amdgpu_powerplay; #define AMDGPU_RESET_VCE (1 << 13) #define AMDGPU_RESET_VCE1 (1 << 14) -/* CG block flags */ -#define AMDGPU_CG_BLOCK_GFX (1 << 0) -#define AMDGPU_CG_BLOCK_MC (1 << 1) -#define AMDGPU_CG_BLOCK_SDMA (1 << 2) -#define AMDGPU_CG_BLOCK_UVD (1 << 3) -#define AMDGPU_CG_BLOCK_VCE (1 << 4) -#define AMDGPU_CG_BLOCK_HDP (1 << 5) -#define AMDGPU_CG_BLOCK_BIF (1 << 6) - -/* CG flags */ -#define AMDGPU_CG_SUPPORT_GFX_MGCG (1 << 0) -#define AMDGPU_CG_SUPPORT_GFX_MGLS (1 << 1) -#define AMDGPU_CG_SUPPORT_GFX_CGCG (1 << 2) -#define AMDGPU_CG_SUPPORT_GFX_CGLS (1 << 3) -#define AMDGPU_CG_SUPPORT_GFX_CGTS (1 << 4) -#define AMDGPU_CG_SUPPORT_GFX_CGTS_LS (1 << 5) -#define AMDGPU_CG_SUPPORT_GFX_CP_LS (1 << 6) -#define AMDGPU_CG_SUPPORT_GFX_RLC_LS (1 << 7) -#define AMDGPU_CG_SUPPORT_MC_LS (1 << 8) -#define AMDGPU_CG_SUPPORT_MC_MGCG (1 << 9) -#define AMDGPU_CG_SUPPORT_SDMA_LS (1 << 10) -#define AMDGPU_CG_SUPPORT_SDMA_MGCG (1 << 11) -#define AMDGPU_CG_SUPPORT_BIF_LS (1 << 12) -#define AMDGPU_CG_SUPPORT_UVD_MGCG (1 << 13) -#define AMDGPU_CG_SUPPORT_VCE_MGCG (1 << 14) -#define AMDGPU_CG_SUPPORT_HDP_LS (1 << 15) -#define AMDGPU_CG_SUPPORT_HDP_MGCG (1 << 16) - -/* PG flags */ -#define AMDGPU_PG_SUPPORT_GFX_PG (1 << 0) -#define AMDGPU_PG_SUPPORT_GFX_SMG (1 << 1) -#define AMDGPU_PG_SUPPORT_GFX_DMG (1 << 2) -#define AMDGPU_PG_SUPPORT_UVD (1 << 3) -#define AMDGPU_PG_SUPPORT_VCE (1 << 4) -#define AMDGPU_PG_SUPPORT_CP (1 << 5) -#define AMDGPU_PG_SUPPORT_GDS (1 << 6) -#define AMDGPU_PG_SUPPORT_RLC_SMU_HS (1 << 7) -#define AMDGPU_PG_SUPPORT_SDMA (1 << 8) -#define AMDGPU_PG_SUPPORT_ACP (1 << 9) -#define AMDGPU_PG_SUPPORT_SAMU (1 << 10) - /* GFX current status */ #define AMDGPU_GFX_NORMAL_MODE 0x00000000L #define AMDGPU_GFX_SAFE_MODE 0x00000001L @@ -606,8 +567,6 @@ struct amdgpu_sa_manager { uint32_t align; }; -struct amdgpu_sa_bo; - /* sub-allocation buffer */ struct amdgpu_sa_bo { struct list_head olist; @@ -2360,6 +2319,8 @@ bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo); int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, uint32_t flags); bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm); +bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start, + unsigned long end); bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm); uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, struct ttm_mem_reg *mem); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c index 0e1376317683..362bedc9e507 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c @@ -154,7 +154,7 @@ static const struct kfd2kgd_calls kfd2kgd = { .get_fw_version = get_fw_version }; -struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions() +struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void) { return (struct kfd2kgd_calls *)&kfd2kgd; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c index 79fa5c7de856..04b744d64b57 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c @@ -115,7 +115,7 @@ static const struct kfd2kgd_calls kfd2kgd = { .get_fw_version = get_fw_version }; -struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions() +struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void) { return (struct kfd2kgd_calls *)&kfd2kgd; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index a081dda9fa2f..7a4b101e10c6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -795,6 +795,12 @@ static int amdgpu_cgs_query_system_info(void *cgs_device, case CGS_SYSTEM_INFO_PCIE_MLW: sys_info->value = adev->pm.pcie_mlw_mask; break; + case CGS_SYSTEM_INFO_CG_FLAGS: + sys_info->value = adev->cg_flags; + break; + case CGS_SYSTEM_INFO_PG_FLAGS: + sys_info->value = adev->pg_flags; + break; default: return -ENODEV; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 89c3dd62ba21..119cdc2c43e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -77,7 +77,7 @@ void amdgpu_connector_hotplug(struct drm_connector *connector) } else if (amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) { /* Don't try to start link training before we * have the dpcd */ - if (!amdgpu_atombios_dp_get_dpcd(amdgpu_connector)) + if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector)) return; /* set it to OFF so that drm_helper_connector_dpms() diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 65531463f88e..51bfc114584e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1795,15 +1795,20 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon) } /* post card */ - amdgpu_atom_asic_init(adev->mode_info.atom_context); + if (!amdgpu_card_posted(adev)) + amdgpu_atom_asic_init(adev->mode_info.atom_context); r = amdgpu_resume(adev); + if (r) + DRM_ERROR("amdgpu_resume failed (%d).\n", r); amdgpu_fence_driver_resume(adev); - r = amdgpu_ib_ring_tests(adev); - if (r) - DRM_ERROR("ib ring test failed (%d).\n", r); + if (resume) { + r = amdgpu_ib_ring_tests(adev); + if (r) + DRM_ERROR("ib ring test failed (%d).\n", r); + } r = amdgpu_late_init(adev); if (r) @@ -1933,80 +1938,97 @@ retry: return r; } +#define AMDGPU_DEFAULT_PCIE_GEN_MASK 0x30007 /* gen: chipset 1/2, asic 1/2/3 */ +#define AMDGPU_DEFAULT_PCIE_MLW_MASK 0x2f0000 /* 1/2/4/8/16 lanes */ + void amdgpu_get_pcie_info(struct amdgpu_device *adev) { u32 mask; int ret; - if (pci_is_root_bus(adev->pdev->bus)) - return; + if (amdgpu_pcie_gen_cap) + adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; - if (amdgpu_pcie_gen2 == 0) - return; + if (amdgpu_pcie_lane_cap) + adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; - if (adev->flags & AMD_IS_APU) + /* covers APUs as well */ + if (pci_is_root_bus(adev->pdev->bus)) { + if (adev->pm.pcie_gen_mask == 0) + adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; + if (adev->pm.pcie_mlw_mask == 0) + adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; return; + } - ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); - if (!ret) { - adev->pm.pcie_gen_mask = (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | - CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | - CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); - - if (mask & DRM_PCIE_SPEED_25) - adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; - if (mask & DRM_PCIE_SPEED_50) - adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2; - if (mask & DRM_PCIE_SPEED_80) - adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3; - } - ret = drm_pcie_get_max_link_width(adev->ddev, &mask); - if (!ret) { - switch (mask) { - case 32: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); - break; - case 16: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); - break; - case 12: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); - break; - case 8: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); - break; - case 4: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); - break; - case 2: - adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | - CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); - break; - case 1: - adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; - break; - default: - break; + if (adev->pm.pcie_gen_mask == 0) { + ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); + if (!ret) { + adev->pm.pcie_gen_mask = (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); + + if (mask & DRM_PCIE_SPEED_25) + adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; + if (mask & DRM_PCIE_SPEED_50) + adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2; + if (mask & DRM_PCIE_SPEED_80) + adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3; + } else { + adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; + } + } + if (adev->pm.pcie_mlw_mask == 0) { + ret = drm_pcie_get_max_link_width(adev->ddev, &mask); + if (!ret) { + switch (mask) { + case 32: + adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case 16: + adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case 12: + adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case 8: + adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case 4: + adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case 2: + adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | + CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); + break; + case 1: + adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; + break; + default: + break; + } + } else { + adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; } } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index acd066d0a805..8297bc319369 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -72,8 +72,8 @@ static void amdgpu_flip_work_func(struct work_struct *__work) struct drm_crtc *crtc = &amdgpuCrtc->base; unsigned long flags; - unsigned i; - int vpos, hpos, stat, min_udelay; + unsigned i, repcnt = 4; + int vpos, hpos, stat, min_udelay = 0; struct drm_vblank_crtc *vblank = &crtc->dev->vblank[work->crtc_id]; amdgpu_flip_wait_fence(adev, &work->excl); @@ -96,7 +96,7 @@ static void amdgpu_flip_work_func(struct work_struct *__work) * In practice this won't execute very often unless on very fast * machines because the time window for this to happen is very small. */ - for (;;) { + while (amdgpuCrtc->enabled && repcnt--) { /* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank * start in hpos, and to the "fudged earlier" vblank start in * vpos. @@ -114,10 +114,22 @@ static void amdgpu_flip_work_func(struct work_struct *__work) /* Sleep at least until estimated real start of hw vblank */ spin_unlock_irqrestore(&crtc->dev->event_lock, flags); min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5); + if (min_udelay > vblank->framedur_ns / 2000) { + /* Don't wait ridiculously long - something is wrong */ + repcnt = 0; + break; + } usleep_range(min_udelay, 2 * min_udelay); spin_lock_irqsave(&crtc->dev->event_lock, flags); }; + if (!repcnt) + DRM_DEBUG_DRIVER("Delay problem on crtc %d: min_udelay %d, " + "framedur %d, linedur %d, stat %d, vpos %d, " + "hpos %d\n", work->crtc_id, min_udelay, + vblank->framedur_ns / 1000, + vblank->linedur_ns / 1000, stat, vpos, hpos); + /* do the flip (mmio) */ adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base); /* set the flip status */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index b5dbbb573491..9ef1db87cf26 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -83,6 +83,8 @@ int amdgpu_sched_jobs = 32; int amdgpu_sched_hw_submission = 2; int amdgpu_enable_semaphores = 0; int amdgpu_powerplay = -1; +unsigned amdgpu_pcie_gen_cap = 0; +unsigned amdgpu_pcie_lane_cap = 0; MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); @@ -170,6 +172,12 @@ MODULE_PARM_DESC(powerplay, "Powerplay component (1 = enable, 0 = disable, -1 = module_param_named(powerplay, amdgpu_powerplay, int, 0444); #endif +MODULE_PARM_DESC(pcie_gen_cap, "PCIE Gen Caps (0: autodetect (default))"); +module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444); + +MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))"); +module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444); + static struct pci_device_id pciidlist[] = { #ifdef CONFIG_DRM_AMDGPU_CIK /* Kaveri */ @@ -256,11 +264,11 @@ static struct pci_device_id pciidlist[] = { {0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU}, #endif /* topaz */ - {0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, - {0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, - {0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, - {0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, - {0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, + {0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, + {0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, + {0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, + {0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, /* tonga */ {0x1002, 0x6920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA}, {0x1002, 0x6921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA}, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 7380f782cd14..d20c2a8929cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -596,7 +596,8 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, break; } ttm_eu_backoff_reservation(&ticket, &list); - if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE)) + if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE) && + !amdgpu_vm_debug) amdgpu_gem_va_update_vm(adev, bo_va, args->operation); drm_gem_object_unreference_unlocked(gobj); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c index b1969f2b2038..d4e2780c0796 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c @@ -142,7 +142,8 @@ static void amdgpu_mn_invalidate_range_start(struct mmu_notifier *mn, list_for_each_entry(bo, &node->bos, mn_list) { - if (!bo->tbo.ttm || bo->tbo.ttm->state != tt_bound) + if (!amdgpu_ttm_tt_affect_userptr(bo->tbo.ttm, start, + end)) continue; r = amdgpu_bo_reserve(bo, true); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index a2a16acee34d..b8fbbd7699e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -33,6 +33,7 @@ #include <linux/slab.h> #include <drm/drmP.h> #include <drm/amdgpu_drm.h> +#include <drm/drm_cache.h> #include "amdgpu.h" #include "amdgpu_trace.h" @@ -261,6 +262,13 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, AMDGPU_GEM_DOMAIN_OA); bo->flags = flags; + + /* For architectures that don't support WC memory, + * mask out the WC flag from the BO + */ + if (!drm_arch_can_wc_memory()) + bo->flags &= ~AMDGPU_GEM_CREATE_CPU_GTT_USWC; + amdgpu_fill_placement_to_bo(bo, placement); /* Kernel allocation are uninterruptible */ r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 7d8d84eaea4a..95a4a25d8df9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -113,6 +113,10 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = ddev->dev_private; + if ((adev->flags & AMD_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return snprintf(buf, PAGE_SIZE, "off\n"); + if (adev->pp_enabled) { enum amd_dpm_forced_level level; @@ -140,6 +144,11 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, enum amdgpu_dpm_forced_level level; int ret = 0; + /* Can't force performance level when the card is off */ + if ((adev->flags & AMD_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + if (strncmp("low", buf, strlen("low")) == 0) { level = AMDGPU_DPM_FORCED_LEVEL_LOW; } else if (strncmp("high", buf, strlen("high")) == 0) { @@ -157,6 +166,7 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, mutex_lock(&adev->pm.mutex); if (adev->pm.dpm.thermal_active) { count = -EINVAL; + mutex_unlock(&adev->pm.mutex); goto fail; } ret = amdgpu_dpm_force_performance_level(adev, level); @@ -167,8 +177,6 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, mutex_unlock(&adev->pm.mutex); } fail: - mutex_unlock(&adev->pm.mutex); - return count; } @@ -182,8 +190,14 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev, char *buf) { struct amdgpu_device *adev = dev_get_drvdata(dev); + struct drm_device *ddev = adev->ddev; int temp; + /* Can't get temperature when the card is off */ + if ((adev->flags & AMD_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + if (!adev->pp_enabled && !adev->pm.funcs->get_temperature) temp = 0; else @@ -634,11 +648,6 @@ force: /* update display watermarks based on new power state */ amdgpu_display_bandwidth_update(adev); - /* update displays */ - amdgpu_dpm_display_configuration_changed(adev); - - adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs; - adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count; /* wait for the rings to drain */ for (i = 0; i < AMDGPU_MAX_RINGS; i++) { @@ -655,6 +664,12 @@ force: amdgpu_dpm_post_set_power_state(adev); + /* update displays */ + amdgpu_dpm_display_configuration_changed(adev); + + adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs; + adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count; + if (adev->pm.funcs->force_performance_level) { if (adev->pm.dpm.thermal_active) { enum amdgpu_dpm_forced_level level = adev->pm.dpm.forced_level; @@ -847,12 +862,16 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct amdgpu_device *adev = dev->dev_private; + struct drm_device *ddev = adev->ddev; if (!adev->pm.dpm_enabled) { seq_printf(m, "dpm not enabled\n"); return 0; } - if (adev->pp_enabled) { + if ((adev->flags & AMD_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) { + seq_printf(m, "PX asic powered off\n"); + } else if (adev->pp_enabled) { amdgpu_dpm_debugfs_print_current_performance_level(adev, m); } else { mutex_lock(&adev->pm.mutex); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c index b9d0d55f6b47..3cb6d6c413c7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c @@ -143,8 +143,10 @@ static int amdgpu_pp_late_init(void *handle) adev->powerplay.pp_handle); #ifdef CONFIG_DRM_AMD_POWERPLAY - if (adev->pp_enabled) + if (adev->pp_enabled) { amdgpu_pm_sysfs_init(adev); + amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_COMPLETE_INIT, NULL, NULL); + } #endif return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 8b88edb0434b..ca72a2e487b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -354,12 +354,15 @@ int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager, for (i = 0, count = 0; i < AMDGPU_MAX_RINGS; ++i) if (fences[i]) - fences[count++] = fences[i]; + fences[count++] = fence_get(fences[i]); if (count) { spin_unlock(&sa_manager->wq.lock); t = fence_wait_any_timeout(fences, count, false, MAX_SCHEDULE_TIMEOUT); + for (i = 0; i < count; ++i) + fence_put(fences[i]); + r = (t > 0) ? 0 : t; spin_lock(&sa_manager->wq.lock); } else { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 8a1752ff3d8e..1cbb16e15307 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -712,7 +712,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm) 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); if (pci_dma_mapping_error(adev->pdev, gtt->ttm.dma_address[i])) { - while (--i) { + while (i--) { pci_unmap_page(adev->pdev, gtt->ttm.dma_address[i], PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); gtt->ttm.dma_address[i] = 0; @@ -783,6 +783,25 @@ bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm) return !!gtt->userptr; } +bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start, + unsigned long end) +{ + struct amdgpu_ttm_tt *gtt = (void *)ttm; + unsigned long size; + + if (gtt == NULL) + return false; + + if (gtt->ttm.ttm.state != tt_bound || !gtt->userptr) + return false; + + size = (unsigned long)gtt->ttm.ttm.num_pages * PAGE_SIZE; + if (gtt->userptr > end || gtt->userptr + size <= start) + return false; + + return true; +} + bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; @@ -808,7 +827,7 @@ uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, flags |= AMDGPU_PTE_SNOOPED; } - if (adev->asic_type >= CHIP_TOPAZ) + if (adev->asic_type >= CHIP_TONGA) flags |= AMDGPU_PTE_EXECUTABLE; flags |= AMDGPU_PTE_READABLE; diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 8b4731d4e10e..474ca02b0949 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -31,6 +31,7 @@ #include "ci_dpm.h" #include "gfx_v7_0.h" #include "atom.h" +#include "amd_pcie.h" #include <linux/seq_file.h> #include "smu/smu_7_0_1_d.h" @@ -5835,18 +5836,16 @@ static int ci_dpm_init(struct amdgpu_device *adev) u8 frev, crev; struct ci_power_info *pi; int ret; - u32 mask; pi = kzalloc(sizeof(struct ci_power_info), GFP_KERNEL); if (pi == NULL) return -ENOMEM; adev->pm.dpm.priv = pi; - ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); - if (ret) - pi->sys_pcie_mask = 0; - else - pi->sys_pcie_mask = mask; + pi->sys_pcie_mask = + (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_MASK) >> + CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT; + pi->force_pcie_gen = AMDGPU_PCIE_GEN_INVALID; pi->pcie_gen_performance.max = AMDGPU_PCIE_GEN1; diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index fd9c9588ef46..155965ed14a3 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1762,6 +1762,9 @@ static void cik_program_aspm(struct amdgpu_device *adev) if (amdgpu_aspm == 0) return; + if (pci_is_root_bus(adev->pdev->bus)) + return; + /* XXX double check APUs */ if (adev->flags & AMD_IS_APU) return; @@ -2332,72 +2335,72 @@ static int cik_common_early_init(void *handle) switch (adev->asic_type) { case CHIP_BONAIRE: adev->cg_flags = - AMDGPU_CG_SUPPORT_GFX_MGCG | - AMDGPU_CG_SUPPORT_GFX_MGLS | - /*AMDGPU_CG_SUPPORT_GFX_CGCG |*/ - AMDGPU_CG_SUPPORT_GFX_CGLS | - AMDGPU_CG_SUPPORT_GFX_CGTS | - AMDGPU_CG_SUPPORT_GFX_CGTS_LS | - AMDGPU_CG_SUPPORT_GFX_CP_LS | - AMDGPU_CG_SUPPORT_MC_LS | - AMDGPU_CG_SUPPORT_MC_MGCG | - AMDGPU_CG_SUPPORT_SDMA_MGCG | - AMDGPU_CG_SUPPORT_SDMA_LS | - AMDGPU_CG_SUPPORT_BIF_LS | - AMDGPU_CG_SUPPORT_VCE_MGCG | - AMDGPU_CG_SUPPORT_UVD_MGCG | - AMDGPU_CG_SUPPORT_HDP_LS | - AMDGPU_CG_SUPPORT_HDP_MGCG; + AMD_CG_SUPPORT_GFX_MGCG | + AMD_CG_SUPPORT_GFX_MGLS | + /*AMD_CG_SUPPORT_GFX_CGCG |*/ + AMD_CG_SUPPORT_GFX_CGLS | + AMD_CG_SUPPORT_GFX_CGTS | + AMD_CG_SUPPORT_GFX_CGTS_LS | + AMD_CG_SUPPORT_GFX_CP_LS | + AMD_CG_SUPPORT_MC_LS | + AMD_CG_SUPPORT_MC_MGCG | + AMD_CG_SUPPORT_SDMA_MGCG | + AMD_CG_SUPPORT_SDMA_LS | + AMD_CG_SUPPORT_BIF_LS | + AMD_CG_SUPPORT_VCE_MGCG | + AMD_CG_SUPPORT_UVD_MGCG | + AMD_CG_SUPPORT_HDP_LS | + AMD_CG_SUPPORT_HDP_MGCG; adev->pg_flags = 0; adev->external_rev_id = adev->rev_id + 0x14; break; case CHIP_HAWAII: adev->cg_flags = - AMDGPU_CG_SUPPORT_GFX_MGCG | - AMDGPU_CG_SUPPORT_GFX_MGLS | - /*AMDGPU_CG_SUPPORT_GFX_CGCG |*/ - AMDGPU_CG_SUPPORT_GFX_CGLS | - AMDGPU_CG_SUPPORT_GFX_CGTS | - AMDGPU_CG_SUPPORT_GFX_CP_LS | - AMDGPU_CG_SUPPORT_MC_LS | - AMDGPU_CG_SUPPORT_MC_MGCG | - AMDGPU_CG_SUPPORT_SDMA_MGCG | - AMDGPU_CG_SUPPORT_SDMA_LS | - AMDGPU_CG_SUPPORT_BIF_LS | - AMDGPU_CG_SUPPORT_VCE_MGCG | - AMDGPU_CG_SUPPORT_UVD_MGCG | - AMDGPU_CG_SUPPORT_HDP_LS | - AMDGPU_CG_SUPPORT_HDP_MGCG; + AMD_CG_SUPPORT_GFX_MGCG | + AMD_CG_SUPPORT_GFX_MGLS | + /*AMD_CG_SUPPORT_GFX_CGCG |*/ + AMD_CG_SUPPORT_GFX_CGLS | + AMD_CG_SUPPORT_GFX_CGTS | + AMD_CG_SUPPORT_GFX_CP_LS | + AMD_CG_SUPPORT_MC_LS | + AMD_CG_SUPPORT_MC_MGCG | + AMD_CG_SUPPORT_SDMA_MGCG | + AMD_CG_SUPPORT_SDMA_LS | + AMD_CG_SUPPORT_BIF_LS | + AMD_CG_SUPPORT_VCE_MGCG | + AMD_CG_SUPPORT_UVD_MGCG | + AMD_CG_SUPPORT_HDP_LS | + AMD_CG_SUPPORT_HDP_MGCG; adev->pg_flags = 0; adev->external_rev_id = 0x28; break; case CHIP_KAVERI: adev->cg_flags = - AMDGPU_CG_SUPPORT_GFX_MGCG | - AMDGPU_CG_SUPPORT_GFX_MGLS | - /*AMDGPU_CG_SUPPORT_GFX_CGCG |*/ - AMDGPU_CG_SUPPORT_GFX_CGLS | - AMDGPU_CG_SUPPORT_GFX_CGTS | - AMDGPU_CG_SUPPORT_GFX_CGTS_LS | - AMDGPU_CG_SUPPORT_GFX_CP_LS | - AMDGPU_CG_SUPPORT_SDMA_MGCG | - AMDGPU_CG_SUPPORT_SDMA_LS | - AMDGPU_CG_SUPPORT_BIF_LS | - AMDGPU_CG_SUPPORT_VCE_MGCG | - AMDGPU_CG_SUPPORT_UVD_MGCG | - AMDGPU_CG_SUPPORT_HDP_LS | - AMDGPU_CG_SUPPORT_HDP_MGCG; + AMD_CG_SUPPORT_GFX_MGCG | + AMD_CG_SUPPORT_GFX_MGLS | + /*AMD_CG_SUPPORT_GFX_CGCG |*/ + AMD_CG_SUPPORT_GFX_CGLS | + AMD_CG_SUPPORT_GFX_CGTS | + AMD_CG_SUPPORT_GFX_CGTS_LS | + AMD_CG_SUPPORT_GFX_CP_LS | + AMD_CG_SUPPORT_SDMA_MGCG | + AMD_CG_SUPPORT_SDMA_LS | + AMD_CG_SUPPORT_BIF_LS | + AMD_CG_SUPPORT_VCE_MGCG | + AMD_CG_SUPPORT_UVD_MGCG | + AMD_CG_SUPPORT_HDP_LS | + AMD_CG_SUPPORT_HDP_MGCG; adev->pg_flags = - /*AMDGPU_PG_SUPPORT_GFX_PG | - AMDGPU_PG_SUPPORT_GFX_SMG | - AMDGPU_PG_SUPPORT_GFX_DMG |*/ - AMDGPU_PG_SUPPORT_UVD | - /*AMDGPU_PG_SUPPORT_VCE | - AMDGPU_PG_SUPPORT_CP | - AMDGPU_PG_SUPPORT_GDS | - AMDGPU_PG_SUPPORT_RLC_SMU_HS | - AMDGPU_PG_SUPPORT_ACP | - AMDGPU_PG_SUPPORT_SAMU |*/ + /*AMD_PG_SUPPORT_GFX_PG | + AMD_PG_SUPPORT_GFX_SMG | + AMD_PG_SUPPORT_GFX_DMG |*/ + AMD_PG_SUPPORT_UVD | + /*AMD_PG_SUPPORT_VCE | + AMD_PG_SUPPORT_CP | + AMD_PG_SUPPORT_GDS | + AMD_PG_SUPPORT_RLC_SMU_HS | + AMD_PG_SUPPORT_ACP | + AMD_PG_SUPPORT_SAMU |*/ 0; if (adev->pdev->device == 0x1312 || adev->pdev->device == 0x1316 || @@ -2409,29 +2412,29 @@ static int cik_common_early_init(void *handle) case CHIP_KABINI: case CHIP_MULLINS: adev->cg_flags = - AMDGPU_CG_SUPPORT_GFX_MGCG | - AMDGPU_CG_SUPPORT_GFX_MGLS | - /*AMDGPU_CG_SUPPORT_GFX_CGCG |*/ - AMDGPU_CG_SUPPORT_GFX_CGLS | - AMDGPU_CG_SUPPORT_GFX_CGTS | - AMDGPU_CG_SUPPORT_GFX_CGTS_LS | - AMDGPU_CG_SUPPORT_GFX_CP_LS | - AMDGPU_CG_SUPPORT_SDMA_MGCG | - AMDGPU_CG_SUPPORT_SDMA_LS | - AMDGPU_CG_SUPPORT_BIF_LS | - AMDGPU_CG_SUPPORT_VCE_MGCG | - AMDGPU_CG_SUPPORT_UVD_MGCG | - AMDGPU_CG_SUPPORT_HDP_LS | - AMDGPU_CG_SUPPORT_HDP_MGCG; + AMD_CG_SUPPORT_GFX_MGCG | + AMD_CG_SUPPORT_GFX_MGLS | + /*AMD_CG_SUPPORT_GFX_CGCG |*/ + AMD_CG_SUPPORT_GFX_CGLS | + AMD_CG_SUPPORT_GFX_CGTS | + AMD_CG_SUPPORT_GFX_CGTS_LS | + AMD_CG_SUPPORT_GFX_CP_LS | + AMD_CG_SUPPORT_SDMA_MGCG | + AMD_CG_SUPPORT_SDMA_LS | + AMD_CG_SUPPORT_BIF_LS | + AMD_CG_SUPPORT_VCE_MGCG | + AMD_CG_SUPPORT_UVD_MGCG | + AMD_CG_SUPPORT_HDP_LS | + AMD_CG_SUPPORT_HDP_MGCG; adev->pg_flags = - /*AMDGPU_PG_SUPPORT_GFX_PG | - AMDGPU_PG_SUPPORT_GFX_SMG | */ - AMDGPU_PG_SUPPORT_UVD | - /*AMDGPU_PG_SUPPORT_VCE | - AMDGPU_PG_SUPPORT_CP | - AMDGPU_PG_SUPPORT_GDS | - AMDGPU_PG_SUPPORT_RLC_SMU_HS | - AMDGPU_PG_SUPPORT_SAMU |*/ + /*AMD_PG_SUPPORT_GFX_PG | + AMD_PG_SUPPORT_GFX_SMG | */ + AMD_PG_SUPPORT_UVD | + /*AMD_PG_SUPPORT_VCE | + AMD_PG_SUPPORT_CP | + AMD_PG_SUPPORT_GDS | + AMD_PG_SUPPORT_RLC_SMU_HS | + AMD_PG_SUPPORT_SAMU |*/ 0; if (adev->asic_type == CHIP_KABINI) { if (adev->rev_id == 0) diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index 5f712ceddf08..c55ecf0ea845 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -885,7 +885,7 @@ static void cik_enable_sdma_mgcg(struct amdgpu_device *adev, { u32 orig, data; - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_SDMA_MGCG)) { + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { WREG32(mmSDMA0_CLK_CTRL + SDMA0_REGISTER_OFFSET, 0x00000100); WREG32(mmSDMA0_CLK_CTRL + SDMA1_REGISTER_OFFSET, 0x00000100); } else { @@ -906,7 +906,7 @@ static void cik_enable_sdma_mgls(struct amdgpu_device *adev, { u32 orig, data; - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_SDMA_LS)) { + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET); data |= 0x100; if (orig != data) diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c index 4dd17f2dd905..e7ef2261ff4a 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c @@ -445,13 +445,13 @@ static int cz_dpm_init(struct amdgpu_device *adev) pi->gfx_pg_threshold = 500; pi->caps_fps = true; /* uvd */ - pi->caps_uvd_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_UVD) ? true : false; + pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false; pi->caps_uvd_dpm = true; /* vce */ - pi->caps_vce_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_VCE) ? true : false; + pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false; pi->caps_vce_dpm = true; /* acp */ - pi->caps_acp_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_ACP) ? true : false; + pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false; pi->caps_acp_dpm = true; pi->caps_stable_power_state = false; @@ -2202,8 +2202,7 @@ static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate) AMD_PG_STATE_GATE); cz_enable_vce_dpm(adev, false); - /* TODO: to figure out why vce can't be poweroff. */ - /* cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerOFF); */ + cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerOFF); pi->vce_power_gated = true; } else { cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerON); @@ -2226,10 +2225,8 @@ static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate) } } else { /*pi->caps_vce_pg*/ cz_update_vce_dpm(adev); - cz_enable_vce_dpm(adev, true); + cz_enable_vce_dpm(adev, !gate); } - - return; } const struct amd_ip_funcs cz_dpm_ip_funcs = { diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 72793f93e2fc..06602df707f8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -3628,6 +3628,19 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring, unsigned vm_id, uint64_t pd_addr) { int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX); + uint32_t seq = ring->fence_drv.sync_seq; + uint64_t addr = ring->fence_drv.gpu_addr; + + amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5)); + amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */ + WAIT_REG_MEM_FUNCTION(3) | /* equal */ + WAIT_REG_MEM_ENGINE(usepfp))); /* pfp or me */ + amdgpu_ring_write(ring, addr & 0xfffffffc); + amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); + amdgpu_ring_write(ring, seq); + amdgpu_ring_write(ring, 0xffffffff); + amdgpu_ring_write(ring, 4); /* poll interval */ + if (usepfp) { /* synce CE with ME to prevent CE fetch CEIB before context switch done */ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); @@ -4109,7 +4122,7 @@ static void gfx_v7_0_enable_cgcg(struct amdgpu_device *adev, bool enable) orig = data = RREG32(mmRLC_CGCG_CGLS_CTRL); - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_GFX_CGCG)) { + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGCG)) { gfx_v7_0_enable_gui_idle_interrupt(adev, true); tmp = gfx_v7_0_halt_rlc(adev); @@ -4147,9 +4160,9 @@ static void gfx_v7_0_enable_mgcg(struct amdgpu_device *adev, bool enable) { u32 data, orig, tmp = 0; - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_GFX_MGCG)) { - if (adev->cg_flags & AMDGPU_CG_SUPPORT_GFX_MGLS) { - if (adev->cg_flags & AMDGPU_CG_SUPPORT_GFX_CP_LS) { + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG)) { + if (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGLS) { + if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CP_LS) { orig = data = RREG32(mmCP_MEM_SLP_CNTL); data |= CP_MEM_SLP_CNTL__CP_MEM_LS_EN_MASK; if (orig != data) @@ -4176,14 +4189,14 @@ static void gfx_v7_0_enable_mgcg(struct amdgpu_device *adev, bool enable) gfx_v7_0_update_rlc(adev, tmp); - if (adev->cg_flags & AMDGPU_CG_SUPPORT_GFX_CGTS) { + if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGTS) { orig = data = RREG32(mmCGTS_SM_CTRL_REG); data &= ~CGTS_SM_CTRL_REG__SM_MODE_MASK; data |= (0x2 << CGTS_SM_CTRL_REG__SM_MODE__SHIFT); data |= CGTS_SM_CTRL_REG__SM_MODE_ENABLE_MASK; data &= ~CGTS_SM_CTRL_REG__OVERRIDE_MASK; - if ((adev->cg_flags & AMDGPU_CG_SUPPORT_GFX_MGLS) && - (adev->cg_flags & AMDGPU_CG_SUPPORT_GFX_CGTS_LS)) + if ((adev->cg_flags & AMD_CG_SUPPORT_GFX_MGLS) && + (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGTS_LS)) data &= ~CGTS_SM_CTRL_REG__LS_OVERRIDE_MASK; data &= ~CGTS_SM_CTRL_REG__ON_MONITOR_ADD_MASK; data |= CGTS_SM_CTRL_REG__ON_MONITOR_ADD_EN_MASK; @@ -4249,7 +4262,7 @@ static void gfx_v7_0_enable_sclk_slowdown_on_pu(struct amdgpu_device *adev, u32 data, orig; orig = data = RREG32(mmRLC_PG_CNTL); - if (enable && (adev->pg_flags & AMDGPU_PG_SUPPORT_RLC_SMU_HS)) + if (enable && (adev->pg_flags & AMD_PG_SUPPORT_RLC_SMU_HS)) data |= RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PU_ENABLE_MASK; else data &= ~RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PU_ENABLE_MASK; @@ -4263,7 +4276,7 @@ static void gfx_v7_0_enable_sclk_slowdown_on_pd(struct amdgpu_device *adev, u32 data, orig; orig = data = RREG32(mmRLC_PG_CNTL); - if (enable && (adev->pg_flags & AMDGPU_PG_SUPPORT_RLC_SMU_HS)) + if (enable && (adev->pg_flags & AMD_PG_SUPPORT_RLC_SMU_HS)) data |= RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PD_ENABLE_MASK; else data &= ~RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PD_ENABLE_MASK; @@ -4276,7 +4289,7 @@ static void gfx_v7_0_enable_cp_pg(struct amdgpu_device *adev, bool enable) u32 data, orig; orig = data = RREG32(mmRLC_PG_CNTL); - if (enable && (adev->pg_flags & AMDGPU_PG_SUPPORT_CP)) + if (enable && (adev->pg_flags & AMD_PG_SUPPORT_CP)) data &= ~0x8000; else data |= 0x8000; @@ -4289,7 +4302,7 @@ static void gfx_v7_0_enable_gds_pg(struct amdgpu_device *adev, bool enable) u32 data, orig; orig = data = RREG32(mmRLC_PG_CNTL); - if (enable && (adev->pg_flags & AMDGPU_PG_SUPPORT_GDS)) + if (enable && (adev->pg_flags & AMD_PG_SUPPORT_GDS)) data &= ~0x2000; else data |= 0x2000; @@ -4370,7 +4383,7 @@ static void gfx_v7_0_enable_gfx_cgpg(struct amdgpu_device *adev, { u32 data, orig; - if (enable && (adev->pg_flags & AMDGPU_PG_SUPPORT_GFX_PG)) { + if (enable && (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG)) { orig = data = RREG32(mmRLC_PG_CNTL); data |= RLC_PG_CNTL__GFX_POWER_GATING_ENABLE_MASK; if (orig != data) @@ -4442,7 +4455,7 @@ static void gfx_v7_0_enable_gfx_static_mgpg(struct amdgpu_device *adev, u32 data, orig; orig = data = RREG32(mmRLC_PG_CNTL); - if (enable && (adev->pg_flags & AMDGPU_PG_SUPPORT_GFX_SMG)) + if (enable && (adev->pg_flags & AMD_PG_SUPPORT_GFX_SMG)) data |= RLC_PG_CNTL__STATIC_PER_CU_PG_ENABLE_MASK; else data &= ~RLC_PG_CNTL__STATIC_PER_CU_PG_ENABLE_MASK; @@ -4456,7 +4469,7 @@ static void gfx_v7_0_enable_gfx_dynamic_mgpg(struct amdgpu_device *adev, u32 data, orig; orig = data = RREG32(mmRLC_PG_CNTL); - if (enable && (adev->pg_flags & AMDGPU_PG_SUPPORT_GFX_DMG)) + if (enable && (adev->pg_flags & AMD_PG_SUPPORT_GFX_DMG)) data |= RLC_PG_CNTL__DYN_PER_CU_PG_ENABLE_MASK; else data &= ~RLC_PG_CNTL__DYN_PER_CU_PG_ENABLE_MASK; @@ -4623,15 +4636,15 @@ static void gfx_v7_0_get_csb_buffer(struct amdgpu_device *adev, static void gfx_v7_0_init_pg(struct amdgpu_device *adev) { - if (adev->pg_flags & (AMDGPU_PG_SUPPORT_GFX_PG | - AMDGPU_PG_SUPPORT_GFX_SMG | - AMDGPU_PG_SUPPORT_GFX_DMG | - AMDGPU_PG_SUPPORT_CP | - AMDGPU_PG_SUPPORT_GDS | - AMDGPU_PG_SUPPORT_RLC_SMU_HS)) { + if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG | + AMD_PG_SUPPORT_GFX_SMG | + AMD_PG_SUPPORT_GFX_DMG | + AMD_PG_SUPPORT_CP | + AMD_PG_SUPPORT_GDS | + AMD_PG_SUPPORT_RLC_SMU_HS)) { gfx_v7_0_enable_sclk_slowdown_on_pu(adev, true); gfx_v7_0_enable_sclk_slowdown_on_pd(adev, true); - if (adev->pg_flags & AMDGPU_PG_SUPPORT_GFX_PG) { + if (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG) { gfx_v7_0_init_gfx_cgpg(adev); gfx_v7_0_enable_cp_pg(adev, true); gfx_v7_0_enable_gds_pg(adev, true); @@ -4643,14 +4656,14 @@ static void gfx_v7_0_init_pg(struct amdgpu_device *adev) static void gfx_v7_0_fini_pg(struct amdgpu_device *adev) { - if (adev->pg_flags & (AMDGPU_PG_SUPPORT_GFX_PG | - AMDGPU_PG_SUPPORT_GFX_SMG | - AMDGPU_PG_SUPPORT_GFX_DMG | - AMDGPU_PG_SUPPORT_CP | - AMDGPU_PG_SUPPORT_GDS | - AMDGPU_PG_SUPPORT_RLC_SMU_HS)) { + if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG | + AMD_PG_SUPPORT_GFX_SMG | + AMD_PG_SUPPORT_GFX_DMG | + AMD_PG_SUPPORT_CP | + AMD_PG_SUPPORT_GDS | + AMD_PG_SUPPORT_RLC_SMU_HS)) { gfx_v7_0_update_gfx_pg(adev, false); - if (adev->pg_flags & AMDGPU_PG_SUPPORT_GFX_PG) { + if (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG) { gfx_v7_0_enable_cp_pg(adev, false); gfx_v7_0_enable_gds_pg(adev, false); } @@ -4738,6 +4751,22 @@ static int gfx_v7_0_early_init(void *handle) return 0; } +static int gfx_v7_0_late_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int r; + + r = amdgpu_irq_get(adev, &adev->gfx.priv_reg_irq, 0); + if (r) + return r; + + r = amdgpu_irq_get(adev, &adev->gfx.priv_inst_irq, 0); + if (r) + return r; + + return 0; +} + static int gfx_v7_0_sw_init(void *handle) { struct amdgpu_ring *ring; @@ -4890,6 +4919,8 @@ static int gfx_v7_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0); + amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0); gfx_v7_0_cp_enable(adev, false); gfx_v7_0_rlc_stop(adev); gfx_v7_0_fini_pg(adev); @@ -5509,14 +5540,14 @@ static int gfx_v7_0_set_powergating_state(void *handle, if (state == AMD_PG_STATE_GATE) gate = true; - if (adev->pg_flags & (AMDGPU_PG_SUPPORT_GFX_PG | - AMDGPU_PG_SUPPORT_GFX_SMG | - AMDGPU_PG_SUPPORT_GFX_DMG | - AMDGPU_PG_SUPPORT_CP | - AMDGPU_PG_SUPPORT_GDS | - AMDGPU_PG_SUPPORT_RLC_SMU_HS)) { + if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG | + AMD_PG_SUPPORT_GFX_SMG | + AMD_PG_SUPPORT_GFX_DMG | + AMD_PG_SUPPORT_CP | + AMD_PG_SUPPORT_GDS | + AMD_PG_SUPPORT_RLC_SMU_HS)) { gfx_v7_0_update_gfx_pg(adev, gate); - if (adev->pg_flags & AMDGPU_PG_SUPPORT_GFX_PG) { + if (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG) { gfx_v7_0_enable_cp_pg(adev, gate); gfx_v7_0_enable_gds_pg(adev, gate); } @@ -5527,7 +5558,7 @@ static int gfx_v7_0_set_powergating_state(void *handle, const struct amd_ip_funcs gfx_v7_0_ip_funcs = { .early_init = gfx_v7_0_early_init, - .late_init = NULL, + .late_init = gfx_v7_0_late_init, .sw_init = gfx_v7_0_sw_init, .sw_fini = gfx_v7_0_sw_fini, .hw_init = gfx_v7_0_hw_init, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 95c0cdfbd1b3..7086ac17abee 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -111,7 +111,6 @@ MODULE_FIRMWARE("amdgpu/topaz_ce.bin"); MODULE_FIRMWARE("amdgpu/topaz_pfp.bin"); MODULE_FIRMWARE("amdgpu/topaz_me.bin"); MODULE_FIRMWARE("amdgpu/topaz_mec.bin"); -MODULE_FIRMWARE("amdgpu/topaz_mec2.bin"); MODULE_FIRMWARE("amdgpu/topaz_rlc.bin"); MODULE_FIRMWARE("amdgpu/fiji_ce.bin"); @@ -828,7 +827,8 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) adev->gfx.mec_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); adev->gfx.mec_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); - if (adev->asic_type != CHIP_STONEY) { + if ((adev->asic_type != CHIP_STONEY) && + (adev->asic_type != CHIP_TOPAZ)) { snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name); err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev); if (!err) { @@ -3851,10 +3851,16 @@ static int gfx_v8_0_cp_resume(struct amdgpu_device *adev) if (r) return -EINVAL; - r = adev->smu.smumgr_funcs->check_fw_load_finish(adev, - AMDGPU_UCODE_ID_CP_MEC1); - if (r) - return -EINVAL; + if (adev->asic_type == CHIP_TOPAZ) { + r = gfx_v8_0_cp_compute_load_microcode(adev); + if (r) + return r; + } else { + r = adev->smu.smumgr_funcs->check_fw_load_finish(adev, + AMDGPU_UCODE_ID_CP_MEC1); + if (r) + return -EINVAL; + } } } @@ -3901,6 +3907,8 @@ static int gfx_v8_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0); + amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0); gfx_v8_0_cp_enable(adev, false); gfx_v8_0_rlc_stop(adev); gfx_v8_0_cp_compute_fini(adev); @@ -4329,6 +4337,14 @@ static int gfx_v8_0_late_init(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; + r = amdgpu_irq_get(adev, &adev->gfx.priv_reg_irq, 0); + if (r) + return r; + + r = amdgpu_irq_get(adev, &adev->gfx.priv_inst_irq, 0); + if (r) + return r; + /* requires IBs so do in late init after IB pool is initialized */ r = gfx_v8_0_do_edc_gpr_workarounds(adev); if (r) @@ -4793,7 +4809,8 @@ static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring, amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5)); amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */ - WAIT_REG_MEM_FUNCTION(3))); /* equal */ + WAIT_REG_MEM_FUNCTION(3) | /* equal */ + WAIT_REG_MEM_ENGINE(usepfp))); /* pfp or me */ amdgpu_ring_write(ring, addr & 0xfffffffc); amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); amdgpu_ring_write(ring, seq); @@ -4979,7 +4996,7 @@ static int gfx_v8_0_set_priv_reg_fault_state(struct amdgpu_device *adev, case AMDGPU_IRQ_STATE_ENABLE: cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0); cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, - PRIV_REG_INT_ENABLE, 0); + PRIV_REG_INT_ENABLE, 1); WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl); break; default: diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 3f956065d069..b8060795b27b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -42,9 +42,39 @@ static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev); MODULE_FIRMWARE("radeon/bonaire_mc.bin"); MODULE_FIRMWARE("radeon/hawaii_mc.bin"); +MODULE_FIRMWARE("amdgpu/topaz_mc.bin"); + +static const u32 golden_settings_iceland_a11[] = +{ + mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, + mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, + mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, + mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff +}; + +static const u32 iceland_mgcg_cgcg_init[] = +{ + mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 +}; + +static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev) +{ + switch (adev->asic_type) { + case CHIP_TOPAZ: + amdgpu_program_register_sequence(adev, + iceland_mgcg_cgcg_init, + (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init)); + amdgpu_program_register_sequence(adev, + golden_settings_iceland_a11, + (const u32)ARRAY_SIZE(golden_settings_iceland_a11)); + break; + default: + break; + } +} /** - * gmc8_mc_wait_for_idle - wait for MC idle callback. + * gmc7_mc_wait_for_idle - wait for MC idle callback. * * @adev: amdgpu_device pointer * @@ -132,13 +162,20 @@ static int gmc_v7_0_init_microcode(struct amdgpu_device *adev) case CHIP_HAWAII: chip_name = "hawaii"; break; + case CHIP_TOPAZ: + chip_name = "topaz"; + break; case CHIP_KAVERI: case CHIP_KABINI: return 0; default: BUG(); } - snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); + if (adev->asic_type == CHIP_TOPAZ) + snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); + else + snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); + err = request_firmware(&adev->mc.fw, fw_name, adev->dev); if (err) goto out; @@ -755,7 +792,7 @@ static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev, for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_LS)) + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) data |= mc_cg_ls_en[i]; else data &= ~mc_cg_ls_en[i]; @@ -772,7 +809,7 @@ static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev, for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_MGCG)) + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) data |= mc_cg_en[i]; else data &= ~mc_cg_en[i]; @@ -788,7 +825,7 @@ static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev, orig = data = RREG32_PCIE(ixPCIE_CNTL2); - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_BIF_LS)) { + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1); @@ -811,7 +848,7 @@ static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev, orig = data = RREG32(mmHDP_HOST_PATH_CNTL); - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_MGCG)) + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG)) data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0); else data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1); @@ -827,7 +864,7 @@ static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev, orig = data = RREG32(mmHDP_MEM_POWER_LS); - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_LS)) + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS)) data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1); else data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0); @@ -984,6 +1021,8 @@ static int gmc_v7_0_hw_init(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + gmc_v7_0_init_golden_registers(adev); + gmc_v7_0_mc_program(adev); if (!(adev->flags & AMD_IS_APU)) { diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index c0c9a0101eb4..3efd45546241 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -42,9 +42,7 @@ static void gmc_v8_0_set_gart_funcs(struct amdgpu_device *adev); static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev); -MODULE_FIRMWARE("amdgpu/topaz_mc.bin"); MODULE_FIRMWARE("amdgpu/tonga_mc.bin"); -MODULE_FIRMWARE("amdgpu/fiji_mc.bin"); static const u32 golden_settings_tonga_a11[] = { @@ -75,19 +73,6 @@ static const u32 fiji_mgcg_cgcg_init[] = mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; -static const u32 golden_settings_iceland_a11[] = -{ - mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, - mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, - mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, - mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff -}; - -static const u32 iceland_mgcg_cgcg_init[] = -{ - mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 -}; - static const u32 cz_mgcg_cgcg_init[] = { mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 @@ -102,14 +87,6 @@ static const u32 stoney_mgcg_cgcg_init[] = static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { - case CHIP_TOPAZ: - amdgpu_program_register_sequence(adev, - iceland_mgcg_cgcg_init, - (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init)); - amdgpu_program_register_sequence(adev, - golden_settings_iceland_a11, - (const u32)ARRAY_SIZE(golden_settings_iceland_a11)); - break; case CHIP_FIJI: amdgpu_program_register_sequence(adev, fiji_mgcg_cgcg_init, @@ -229,15 +206,10 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) DRM_DEBUG("\n"); switch (adev->asic_type) { - case CHIP_TOPAZ: - chip_name = "topaz"; - break; case CHIP_TONGA: chip_name = "tonga"; break; case CHIP_FIJI: - chip_name = "fiji"; - break; case CHIP_CARRIZO: case CHIP_STONEY: return 0; @@ -1007,7 +979,7 @@ static int gmc_v8_0_hw_init(void *handle) gmc_v8_0_mc_program(adev); - if (!(adev->flags & AMD_IS_APU)) { + if (adev->asic_type == CHIP_TONGA) { r = gmc_v8_0_mc_load_microcode(adev); if (r) { DRM_ERROR("Failed to load MC firmware!\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c index 966d4b2ed9da..090486c18249 100644 --- a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c +++ b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c @@ -432,7 +432,7 @@ static uint32_t iceland_smu_get_mask_for_fw_type(uint32_t fw_type) case AMDGPU_UCODE_ID_CP_ME: return UCODE_ID_CP_ME_MASK; case AMDGPU_UCODE_ID_CP_MEC1: - return UCODE_ID_CP_MEC_MASK | UCODE_ID_CP_MEC_JT1_MASK | UCODE_ID_CP_MEC_JT2_MASK; + return UCODE_ID_CP_MEC_MASK | UCODE_ID_CP_MEC_JT1_MASK; case AMDGPU_UCODE_ID_CP_MEC2: return UCODE_ID_CP_MEC_MASK; case AMDGPU_UCODE_ID_RLC_G: @@ -522,12 +522,6 @@ static int iceland_smu_request_load_fw(struct amdgpu_device *adev) return -EINVAL; } - if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT2, - &toc->entry[toc->num_entries++])) { - DRM_ERROR("Failed to get firmware entry for MEC_JT2\n"); - return -EINVAL; - } - if (iceland_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA0, &toc->entry[toc->num_entries++])) { DRM_ERROR("Failed to get firmware entry for SDMA0\n"); @@ -550,8 +544,8 @@ static int iceland_smu_request_load_fw(struct amdgpu_device *adev) UCODE_ID_CP_ME_MASK | UCODE_ID_CP_PFP_MASK | UCODE_ID_CP_MEC_MASK | - UCODE_ID_CP_MEC_JT1_MASK | - UCODE_ID_CP_MEC_JT2_MASK; + UCODE_ID_CP_MEC_JT1_MASK; + if (iceland_send_msg_to_smc_with_parameter_without_waiting(adev, PPSMC_MSG_LoadUcodes, fw_to_load)) { DRM_ERROR("Fail to request SMU load ucode\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index 7e9154c7f1db..654d76723bc3 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -2859,11 +2859,11 @@ static int kv_dpm_init(struct amdgpu_device *adev) pi->voltage_drop_t = 0; pi->caps_sclk_throttle_low_notification = false; pi->caps_fps = false; /* true? */ - pi->caps_uvd_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_UVD) ? true : false; + pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false; pi->caps_uvd_dpm = true; - pi->caps_vce_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_VCE) ? true : false; - pi->caps_samu_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_SAMU) ? true : false; - pi->caps_acp_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_ACP) ? true : false; + pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false; + pi->caps_samu_pg = (adev->pg_flags & AMD_PG_SUPPORT_SAMU) ? true : false; + pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false; pi->caps_stable_p_state = false; ret = kv_parse_sys_info_table(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index 5e9f73af83a8..fbd3767671bb 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -611,7 +611,7 @@ static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev, { u32 orig, data; - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG)) { + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) { data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); data = 0xfff; WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); @@ -830,6 +830,9 @@ static int uvd_v4_2_set_clockgating_state(void *handle, bool gate = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) + return 0; + if (state == AMD_CG_STATE_GATE) gate = true; @@ -848,7 +851,10 @@ static int uvd_v4_2_set_powergating_state(void *handle, * revisit this when there is a cleaner line between * the smc and the hw blocks */ - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) + return 0; if (state == AMD_PG_STATE_GATE) { uvd_v4_2_stop(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index 38864f562981..57f1c5bf3bf1 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -774,6 +774,11 @@ static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, static int uvd_v5_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) + return 0; + return 0; } @@ -789,6 +794,9 @@ static int uvd_v5_0_set_powergating_state(void *handle, */ struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) + return 0; + if (state == AMD_PG_STATE_GATE) { uvd_v5_0_stop(adev); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 3d5913926436..0b365b7651ff 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -532,7 +532,7 @@ static int uvd_v6_0_start(struct amdgpu_device *adev) uvd_v6_0_mc_resume(adev); /* Set dynamic clock gating in S/W control mode */ - if (adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG) { + if (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG) { if (adev->flags & AMD_IS_APU) cz_set_uvd_clock_gating_branches(adev, false); else @@ -1000,7 +1000,7 @@ static int uvd_v6_0_set_clockgating_state(void *handle, struct amdgpu_device *adev = (struct amdgpu_device *)handle; bool enable = (state == AMD_CG_STATE_GATE) ? true : false; - if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG)) + if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) return 0; if (enable) { @@ -1030,6 +1030,9 @@ static int uvd_v6_0_set_powergating_state(void *handle, */ struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) + return 0; + if (state == AMD_PG_STATE_GATE) { uvd_v6_0_stop(adev); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c index 52ac7a8f1e58..a822edacfa95 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c @@ -373,7 +373,7 @@ static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable) { bool sw_cg = false; - if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG)) { + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) { if (sw_cg) vce_v2_0_set_sw_cg(adev, true); else @@ -608,6 +608,9 @@ static int vce_v2_0_set_powergating_state(void *handle, */ struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->pg_flags & AMD_PG_SUPPORT_VCE)) + return 0; + if (state == AMD_PG_STATE_GATE) /* XXX do we need a vce_v2_0_stop()? */ return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index e99af81e4aec..d662fa9f9091 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -277,7 +277,7 @@ static int vce_v3_0_start(struct amdgpu_device *adev) WREG32_P(mmVCE_STATUS, 0, ~1); /* Set Clock-Gating off */ - if (adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG) + if (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG) vce_v3_0_set_vce_sw_clock_gating(adev, false); if (r) { @@ -676,7 +676,7 @@ static int vce_v3_0_set_clockgating_state(void *handle, bool enable = (state == AMD_CG_STATE_GATE) ? true : false; int i; - if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG)) + if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) return 0; mutex_lock(&adev->grbm_idx_mutex); @@ -728,6 +728,9 @@ static int vce_v3_0_set_powergating_state(void *handle, */ struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->pg_flags & AMD_PG_SUPPORT_VCE)) + return 0; + if (state == AMD_PG_STATE_GATE) /* XXX do we need a vce_v3_0_stop()? */ return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 652e76644c31..0d14d108a6c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -61,6 +61,7 @@ #include "vi.h" #include "vi_dpm.h" #include "gmc_v8_0.h" +#include "gmc_v7_0.h" #include "gfx_v8_0.h" #include "sdma_v2_4.h" #include "sdma_v3_0.h" @@ -1109,10 +1110,10 @@ static const struct amdgpu_ip_block_version topaz_ip_blocks[] = }, { .type = AMD_IP_BLOCK_TYPE_GMC, - .major = 8, - .minor = 0, + .major = 7, + .minor = 4, .rev = 0, - .funcs = &gmc_v8_0_ip_funcs, + .funcs = &gmc_v7_0_ip_funcs, }, { .type = AMD_IP_BLOCK_TYPE_IH, @@ -1442,8 +1443,7 @@ static int vi_common_early_init(void *handle) break; case CHIP_FIJI: adev->has_uvd = true; - adev->cg_flags = AMDGPU_CG_SUPPORT_UVD_MGCG | - AMDGPU_CG_SUPPORT_VCE_MGCG; + adev->cg_flags = 0; adev->pg_flags = 0; adev->external_rev_id = adev->rev_id + 0x3c; break; @@ -1457,8 +1457,7 @@ static int vi_common_early_init(void *handle) case CHIP_STONEY: adev->has_uvd = true; adev->cg_flags = 0; - /* Disable UVD pg */ - adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE; + adev->pg_flags = 0; adev->external_rev_id = adev->rev_id + 0x1; break; default: diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 9be007081b72..a902ae037398 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -194,7 +194,7 @@ static void kfd_process_wq_release(struct work_struct *work) kfree(p); - kfree((void *)work); + kfree(work); } static void kfd_process_destroy_delayed(struct rcu_head *rcu) diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 1195d06f55bc..dbf7e6413cab 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -85,6 +85,38 @@ enum amd_powergating_state { AMD_PG_STATE_UNGATE, }; +/* CG flags */ +#define AMD_CG_SUPPORT_GFX_MGCG (1 << 0) +#define AMD_CG_SUPPORT_GFX_MGLS (1 << 1) +#define AMD_CG_SUPPORT_GFX_CGCG (1 << 2) +#define AMD_CG_SUPPORT_GFX_CGLS (1 << 3) +#define AMD_CG_SUPPORT_GFX_CGTS (1 << 4) +#define AMD_CG_SUPPORT_GFX_CGTS_LS (1 << 5) +#define AMD_CG_SUPPORT_GFX_CP_LS (1 << 6) +#define AMD_CG_SUPPORT_GFX_RLC_LS (1 << 7) +#define AMD_CG_SUPPORT_MC_LS (1 << 8) +#define AMD_CG_SUPPORT_MC_MGCG (1 << 9) +#define AMD_CG_SUPPORT_SDMA_LS (1 << 10) +#define AMD_CG_SUPPORT_SDMA_MGCG (1 << 11) +#define AMD_CG_SUPPORT_BIF_LS (1 << 12) +#define AMD_CG_SUPPORT_UVD_MGCG (1 << 13) +#define AMD_CG_SUPPORT_VCE_MGCG (1 << 14) +#define AMD_CG_SUPPORT_HDP_LS (1 << 15) +#define AMD_CG_SUPPORT_HDP_MGCG (1 << 16) + +/* PG flags */ +#define AMD_PG_SUPPORT_GFX_PG (1 << 0) +#define AMD_PG_SUPPORT_GFX_SMG (1 << 1) +#define AMD_PG_SUPPORT_GFX_DMG (1 << 2) +#define AMD_PG_SUPPORT_UVD (1 << 3) +#define AMD_PG_SUPPORT_VCE (1 << 4) +#define AMD_PG_SUPPORT_CP (1 << 5) +#define AMD_PG_SUPPORT_GDS (1 << 6) +#define AMD_PG_SUPPORT_RLC_SMU_HS (1 << 7) +#define AMD_PG_SUPPORT_SDMA (1 << 8) +#define AMD_PG_SUPPORT_ACP (1 << 9) +#define AMD_PG_SUPPORT_SAMU (1 << 10) + enum amd_pm_state_type { /* not used for dpm */ POWER_STATE_TYPE_DEFAULT, diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index 713aec954692..aec38fc3834f 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -109,6 +109,8 @@ enum cgs_system_info_id { CGS_SYSTEM_INFO_ADAPTER_BDF_ID = 1, CGS_SYSTEM_INFO_PCIE_GEN_INFO, CGS_SYSTEM_INFO_PCIE_MLW, + CGS_SYSTEM_INFO_CG_FLAGS, + CGS_SYSTEM_INFO_PG_FLAGS, CGS_SYSTEM_INFO_ID_MAXIMUM, }; diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index aa67244a77ae..589599f66fcc 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -402,8 +402,11 @@ int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input, data.requested_ui_label = power_state_convert(ps); ret = pem_handle_event(pp_handle->eventmgr, event_id, &data); + break; } - break; + case AMD_PP_EVENT_COMPLETE_INIT: + ret = pem_handle_event(pp_handle->eventmgr, event_id, &data); + break; default: break; } diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c index 83be3cf210e0..6b52c78cb404 100644 --- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c +++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c @@ -165,6 +165,7 @@ const struct action_chain resume_action_chain = { }; static const pem_event_action *complete_init_event[] = { + unblock_adjust_power_state_tasks, adjust_power_state_tasks, enable_gfx_clock_gating_tasks, enable_gfx_voltage_island_power_gating_tasks, diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventmgr.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventmgr.c index 52a3efc97f05..46410e3c7349 100644 --- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventmgr.c +++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventmgr.c @@ -31,7 +31,7 @@ static int pem_init(struct pp_eventmgr *eventmgr) { int result = 0; - struct pem_event_data event_data; + struct pem_event_data event_data = { {0} }; /* Initialize PowerPlay feature info */ pem_init_feature_info(eventmgr); @@ -52,7 +52,7 @@ static int pem_init(struct pp_eventmgr *eventmgr) static void pem_fini(struct pp_eventmgr *eventmgr) { - struct pem_event_data event_data; + struct pem_event_data event_data = { {0} }; pem_uninit_featureInfo(eventmgr); pem_unregister_interrupts(eventmgr); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c index ad7700822a1c..ff08ce41bde9 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c @@ -226,7 +226,7 @@ int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) } } else { cz_dpm_update_vce_dpm(hwmgr); - cz_enable_disable_vce_dpm(hwmgr, true); + cz_enable_disable_vce_dpm(hwmgr, !bgate); return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c index 0874ab42ee95..cf01177ca3b5 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c @@ -174,6 +174,8 @@ static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) { struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); uint32_t i; + struct cgs_system_info sys_info = {0}; + int result; cz_hwmgr->gfx_ramp_step = 256*25/100; @@ -247,6 +249,22 @@ static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableVoltageIsland); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating); + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PG_FLAGS; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (!result) { + if (sys_info.value & AMD_PG_SUPPORT_UVD) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating); + if (sys_info.value & AMD_PG_SUPPORT_VCE) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating); + } + return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c index 44a925006479..980d3bf8ea76 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c @@ -4451,6 +4451,7 @@ int tonga_hwmgr_backend_init(struct pp_hwmgr *hwmgr) pp_atomctrl_gpio_pin_assignment gpio_pin_assignment; struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); phw_tonga_ulv_parm *ulv; + struct cgs_system_info sys_info = {0}; PP_ASSERT_WITH_CODE((NULL != hwmgr), "Invalid Parameter!", return -1;); @@ -4615,9 +4616,23 @@ int tonga_hwmgr_backend_init(struct pp_hwmgr *hwmgr) data->vddc_phase_shed_control = 0; - if (0 == result) { - struct cgs_system_info sys_info = {0}; + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating); + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PG_FLAGS; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (!result) { + if (sys_info.value & AMD_PG_SUPPORT_UVD) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating); + if (sys_info.value & AMD_PG_SUPPORT_VCE) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating); + } + if (0 == result) { data->is_tlu_enabled = 0; hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = TONGA_MAX_HARDWARE_POWERLEVELS; diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 9759009d1da3..b1480acbb3c3 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -227,7 +227,7 @@ static int ast_get_dram_info(struct drm_device *dev) } while (ast_read32(ast, 0x10000) != 0x01); data = ast_read32(ast, 0x10004); - if (data & 0x400) + if (data & 0x40) ast->dram_bus_width = 16; else ast->dram_bus_width = 32; diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 3f74193885f1..9a7b44616b55 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -65,8 +65,6 @@ drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state) */ state->allow_modeset = true; - state->num_connector = ACCESS_ONCE(dev->mode_config.num_connector); - state->crtcs = kcalloc(dev->mode_config.num_crtc, sizeof(*state->crtcs), GFP_KERNEL); if (!state->crtcs) @@ -83,16 +81,6 @@ drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state) sizeof(*state->plane_states), GFP_KERNEL); if (!state->plane_states) goto fail; - state->connectors = kcalloc(state->num_connector, - sizeof(*state->connectors), - GFP_KERNEL); - if (!state->connectors) - goto fail; - state->connector_states = kcalloc(state->num_connector, - sizeof(*state->connector_states), - GFP_KERNEL); - if (!state->connector_states) - goto fail; state->dev = dev; @@ -823,19 +811,27 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state, index = drm_connector_index(connector); - /* - * Construction of atomic state updates can race with a connector - * hot-add which might overflow. In this case flip the table and just - * restart the entire ioctl - no one is fast enough to livelock a cpu - * with physical hotplug events anyway. - * - * Note that we only grab the indexes once we have the right lock to - * prevent hotplug/unplugging of connectors. So removal is no problem, - * at most the array is a bit too large. - */ if (index >= state->num_connector) { - DRM_DEBUG_ATOMIC("Hot-added connector would overflow state array, restarting\n"); - return ERR_PTR(-EAGAIN); + struct drm_connector **c; + struct drm_connector_state **cs; + int alloc = max(index + 1, config->num_connector); + + c = krealloc(state->connectors, alloc * sizeof(*state->connectors), GFP_KERNEL); + if (!c) + return ERR_PTR(-ENOMEM); + + state->connectors = c; + memset(&state->connectors[state->num_connector], 0, + sizeof(*state->connectors) * (alloc - state->num_connector)); + + cs = krealloc(state->connector_states, alloc * sizeof(*state->connector_states), GFP_KERNEL); + if (!cs) + return ERR_PTR(-ENOMEM); + + state->connector_states = cs; + memset(&state->connector_states[state->num_connector], 0, + sizeof(*state->connector_states) * (alloc - state->num_connector)); + state->num_connector = alloc; } if (state->connector_states[index]) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 7c523060a076..4f2d3e161593 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1493,7 +1493,7 @@ void drm_atomic_helper_swap_state(struct drm_device *dev, { int i; - for (i = 0; i < dev->mode_config.num_connector; i++) { + for (i = 0; i < state->num_connector; i++) { struct drm_connector *connector = state->connectors[i]; if (!connector) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index d40bab29747e..f6191215b2cb 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -918,12 +918,19 @@ int drm_connector_init(struct drm_device *dev, connector->base.properties = &connector->properties; connector->dev = dev; connector->funcs = funcs; + + connector->connector_id = ida_simple_get(&config->connector_ida, 0, 0, GFP_KERNEL); + if (connector->connector_id < 0) { + ret = connector->connector_id; + goto out_put; + } + connector->connector_type = connector_type; connector->connector_type_id = ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); if (connector->connector_type_id < 0) { ret = connector->connector_type_id; - goto out_put; + goto out_put_id; } connector->name = kasprintf(GFP_KERNEL, "%s-%d", @@ -931,7 +938,7 @@ int drm_connector_init(struct drm_device *dev, connector->connector_type_id); if (!connector->name) { ret = -ENOMEM; - goto out_put; + goto out_put_type_id; } INIT_LIST_HEAD(&connector->probed_modes); @@ -959,7 +966,12 @@ int drm_connector_init(struct drm_device *dev, } connector->debugfs_entry = NULL; - +out_put_type_id: + if (ret) + ida_remove(connector_ida, connector->connector_type_id); +out_put_id: + if (ret) + ida_remove(&config->connector_ida, connector->connector_id); out_put: if (ret) drm_mode_object_put(dev, &connector->base); @@ -996,6 +1008,9 @@ void drm_connector_cleanup(struct drm_connector *connector) ida_remove(&drm_connector_enum_list[connector->connector_type].ida, connector->connector_type_id); + ida_remove(&dev->mode_config.connector_ida, + connector->connector_id); + kfree(connector->display_info.bus_formats); drm_mode_object_put(dev, &connector->base); kfree(connector->name); @@ -1013,32 +1028,6 @@ void drm_connector_cleanup(struct drm_connector *connector) EXPORT_SYMBOL(drm_connector_cleanup); /** - * drm_connector_index - find the index of a registered connector - * @connector: connector to find index for - * - * Given a registered connector, return the index of that connector within a DRM - * device's list of connectors. - */ -unsigned int drm_connector_index(struct drm_connector *connector) -{ - unsigned int index = 0; - struct drm_connector *tmp; - struct drm_mode_config *config = &connector->dev->mode_config; - - WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); - - drm_for_each_connector(tmp, connector->dev) { - if (tmp == connector) - return index; - - index++; - } - - BUG(); -} -EXPORT_SYMBOL(drm_connector_index); - -/** * drm_connector_register - register a connector * @connector: the connector to register * @@ -5789,6 +5778,7 @@ void drm_mode_config_init(struct drm_device *dev) INIT_LIST_HEAD(&dev->mode_config.plane_list); idr_init(&dev->mode_config.crtc_idr); idr_init(&dev->mode_config.tile_idr); + ida_init(&dev->mode_config.connector_ida); drm_modeset_lock_all(dev); drm_mode_create_standard_properties(dev); @@ -5869,6 +5859,7 @@ void drm_mode_config_cleanup(struct drm_device *dev) crtc->funcs->destroy(crtc); } + ida_destroy(&dev->mode_config.connector_ida); idr_destroy(&dev->mode_config.tile_idr); idr_destroy(&dev->mode_config.crtc_idr); drm_modeset_lock_fini(&dev->mode_config.connection_mutex); diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 6ed90a2437e5..27fbd79d0daf 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -803,6 +803,18 @@ static struct drm_dp_mst_branch *drm_dp_add_mst_branch_device(u8 lct, u8 *rad) return mstb; } +static void drm_dp_free_mst_port(struct kref *kref); + +static void drm_dp_free_mst_branch_device(struct kref *kref) +{ + struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); + if (mstb->port_parent) { + if (list_empty(&mstb->port_parent->next)) + kref_put(&mstb->port_parent->kref, drm_dp_free_mst_port); + } + kfree(mstb); +} + static void drm_dp_destroy_mst_branch_device(struct kref *kref) { struct drm_dp_mst_branch *mstb = container_of(kref, struct drm_dp_mst_branch, kref); @@ -810,6 +822,15 @@ static void drm_dp_destroy_mst_branch_device(struct kref *kref) bool wake_tx = false; /* + * init kref again to be used by ports to remove mst branch when it is + * not needed anymore + */ + kref_init(kref); + + if (mstb->port_parent && list_empty(&mstb->port_parent->next)) + kref_get(&mstb->port_parent->kref); + + /* * destroy all ports - don't need lock * as there are no more references to the mst branch * device at this point. @@ -835,7 +856,8 @@ static void drm_dp_destroy_mst_branch_device(struct kref *kref) if (wake_tx) wake_up(&mstb->mgr->tx_waitq); - kfree(mstb); + + kref_put(kref, drm_dp_free_mst_branch_device); } static void drm_dp_put_mst_branch_device(struct drm_dp_mst_branch *mstb) @@ -883,6 +905,7 @@ static void drm_dp_destroy_port(struct kref *kref) * from an EDID retrieval */ mutex_lock(&mgr->destroy_connector_lock); + kref_get(&port->parent->kref); list_add(&port->next, &mgr->destroy_connector_list); mutex_unlock(&mgr->destroy_connector_lock); schedule_work(&mgr->destroy_connector_work); @@ -1018,18 +1041,27 @@ static bool drm_dp_port_setup_pdt(struct drm_dp_mst_port *port) return send_link; } -static void drm_dp_check_port_guid(struct drm_dp_mst_branch *mstb, - struct drm_dp_mst_port *port) +static void drm_dp_check_mstb_guid(struct drm_dp_mst_branch *mstb, u8 *guid) { int ret; - if (port->dpcd_rev >= 0x12) { - port->guid_valid = drm_dp_validate_guid(mstb->mgr, port->guid); - if (!port->guid_valid) { - ret = drm_dp_send_dpcd_write(mstb->mgr, - port, - DP_GUID, - 16, port->guid); - port->guid_valid = true; + + memcpy(mstb->guid, guid, 16); + + if (!drm_dp_validate_guid(mstb->mgr, mstb->guid)) { + if (mstb->port_parent) { + ret = drm_dp_send_dpcd_write( + mstb->mgr, + mstb->port_parent, + DP_GUID, + 16, + mstb->guid); + } else { + + ret = drm_dp_dpcd_write( + mstb->mgr->aux, + DP_GUID, + mstb->guid, + 16); } } } @@ -1086,7 +1118,6 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, port->dpcd_rev = port_msg->dpcd_revision; port->num_sdp_streams = port_msg->num_sdp_streams; port->num_sdp_stream_sinks = port_msg->num_sdp_stream_sinks; - memcpy(port->guid, port_msg->peer_guid, 16); /* manage mstb port lists with mgr lock - take a reference for this list */ @@ -1099,11 +1130,9 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, if (old_ddps != port->ddps) { if (port->ddps) { - drm_dp_check_port_guid(mstb, port); if (!port->input) drm_dp_send_enum_path_resources(mstb->mgr, mstb, port); } else { - port->guid_valid = false; port->available_pbn = 0; } } @@ -1162,10 +1191,8 @@ static void drm_dp_update_port(struct drm_dp_mst_branch *mstb, if (old_ddps != port->ddps) { if (port->ddps) { - drm_dp_check_port_guid(mstb, port); dowork = true; } else { - port->guid_valid = false; port->available_pbn = 0; } } @@ -1222,13 +1249,14 @@ static struct drm_dp_mst_branch *get_mst_branch_device_by_guid_helper( struct drm_dp_mst_branch *found_mstb; struct drm_dp_mst_port *port; + if (memcmp(mstb->guid, guid, 16) == 0) + return mstb; + + list_for_each_entry(port, &mstb->ports, next) { if (!port->mstb) continue; - if (port->guid_valid && memcmp(port->guid, guid, 16) == 0) - return port->mstb; - found_mstb = get_mst_branch_device_by_guid_helper(port->mstb, guid); if (found_mstb) @@ -1247,10 +1275,7 @@ static struct drm_dp_mst_branch *drm_dp_get_mst_branch_device_by_guid( /* find the port by iterating down */ mutex_lock(&mgr->lock); - if (mgr->guid_valid && memcmp(mgr->guid, guid, 16) == 0) - mstb = mgr->mst_primary; - else - mstb = get_mst_branch_device_by_guid_helper(mgr->mst_primary, guid); + mstb = get_mst_branch_device_by_guid_helper(mgr->mst_primary, guid); if (mstb) kref_get(&mstb->kref); @@ -1555,6 +1580,9 @@ static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, txmsg->reply.u.link_addr.ports[i].num_sdp_streams, txmsg->reply.u.link_addr.ports[i].num_sdp_stream_sinks); } + + drm_dp_check_mstb_guid(mstb, txmsg->reply.u.link_addr.guid); + for (i = 0; i < txmsg->reply.u.link_addr.nports; i++) { drm_dp_add_port(mstb, mgr->dev, &txmsg->reply.u.link_addr.ports[i]); } @@ -1602,6 +1630,37 @@ static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, return 0; } +static struct drm_dp_mst_port *drm_dp_get_last_connected_port_to_mstb(struct drm_dp_mst_branch *mstb) +{ + if (!mstb->port_parent) + return NULL; + + if (mstb->port_parent->mstb != mstb) + return mstb->port_parent; + + return drm_dp_get_last_connected_port_to_mstb(mstb->port_parent->parent); +} + +static struct drm_dp_mst_branch *drm_dp_get_last_connected_port_and_mstb(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb, + int *port_num) +{ + struct drm_dp_mst_branch *rmstb = NULL; + struct drm_dp_mst_port *found_port; + mutex_lock(&mgr->lock); + if (mgr->mst_primary) { + found_port = drm_dp_get_last_connected_port_to_mstb(mstb); + + if (found_port) { + rmstb = found_port->parent; + kref_get(&rmstb->kref); + *port_num = found_port->port_num; + } + } + mutex_unlock(&mgr->lock); + return rmstb; +} + static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, int id, @@ -1609,13 +1668,18 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, { struct drm_dp_sideband_msg_tx *txmsg; struct drm_dp_mst_branch *mstb; - int len, ret; + int len, ret, port_num; u8 sinks[DRM_DP_MAX_SDP_STREAMS]; int i; + port_num = port->port_num; mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent); - if (!mstb) - return -EINVAL; + if (!mstb) { + mstb = drm_dp_get_last_connected_port_and_mstb(mgr, port->parent, &port_num); + + if (!mstb) + return -EINVAL; + } txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); if (!txmsg) { @@ -1627,7 +1691,7 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, sinks[i] = i; txmsg->dst = mstb; - len = build_allocate_payload(txmsg, port->port_num, + len = build_allocate_payload(txmsg, port_num, id, pbn, port->num_sdp_streams, sinks); @@ -1983,31 +2047,17 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms mgr->mst_primary = mstb; kref_get(&mgr->mst_primary->kref); - { - struct drm_dp_payload reset_pay; - reset_pay.start_slot = 0; - reset_pay.num_slots = 0x3f; - drm_dp_dpcd_write_payload(mgr, 0, &reset_pay); - } - ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, - DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC); + DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC); if (ret < 0) { goto out_unlock; } - - /* sort out guid */ - ret = drm_dp_dpcd_read(mgr->aux, DP_GUID, mgr->guid, 16); - if (ret != 16) { - DRM_DEBUG_KMS("failed to read DP GUID %d\n", ret); - goto out_unlock; - } - - mgr->guid_valid = drm_dp_validate_guid(mgr, mgr->guid); - if (!mgr->guid_valid) { - ret = drm_dp_dpcd_write(mgr->aux, DP_GUID, mgr->guid, 16); - mgr->guid_valid = true; + { + struct drm_dp_payload reset_pay; + reset_pay.start_slot = 0; + reset_pay.num_slots = 0x3f; + drm_dp_dpcd_write_payload(mgr, 0, &reset_pay); } queue_work(system_long_wq, &mgr->work); @@ -2231,6 +2281,7 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) } drm_dp_update_port(mstb, &msg.u.conn_stat); + DRM_DEBUG_KMS("Got CSN: pn: %d ldps:%d ddps: %d mcs: %d ip: %d pdt: %d\n", msg.u.conn_stat.port_number, msg.u.conn_stat.legacy_device_plug_status, msg.u.conn_stat.displayport_device_plug_status, msg.u.conn_stat.message_capability_status, msg.u.conn_stat.input_port, msg.u.conn_stat.peer_device_type); (*mgr->cbs->hotplug)(mgr); @@ -2446,6 +2497,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp DRM_DEBUG_KMS("payload: vcpi %d already allocated for pbn %d - requested pbn %d\n", port->vcpi.vcpi, port->vcpi.pbn, pbn); if (pbn == port->vcpi.pbn) { *slots = port->vcpi.num_slots; + drm_dp_put_port(port); return true; } } @@ -2605,32 +2657,31 @@ EXPORT_SYMBOL(drm_dp_check_act_status); */ int drm_dp_calc_pbn_mode(int clock, int bpp) { - fixed20_12 pix_bw; - fixed20_12 fbpp; - fixed20_12 result; - fixed20_12 margin, tmp; - u32 res; - - pix_bw.full = dfixed_const(clock); - fbpp.full = dfixed_const(bpp); - tmp.full = dfixed_const(8); - fbpp.full = dfixed_div(fbpp, tmp); - - result.full = dfixed_mul(pix_bw, fbpp); - margin.full = dfixed_const(54); - tmp.full = dfixed_const(64); - margin.full = dfixed_div(margin, tmp); - result.full = dfixed_div(result, margin); - - margin.full = dfixed_const(1006); - tmp.full = dfixed_const(1000); - margin.full = dfixed_div(margin, tmp); - result.full = dfixed_mul(result, margin); - - result.full = dfixed_div(result, tmp); - result.full = dfixed_ceil(result); - res = dfixed_trunc(result); - return res; + u64 kbps; + s64 peak_kbps; + u32 numerator; + u32 denominator; + + kbps = clock * bpp; + + /* + * margin 5300ppm + 300ppm ~ 0.6% as per spec, factor is 1.006 + * The unit of 54/64Mbytes/sec is an arbitrary unit chosen based on + * common multiplier to render an integer PBN for all link rate/lane + * counts combinations + * calculate + * peak_kbps *= (1006/1000) + * peak_kbps *= (64/54) + * peak_kbps *= 8 convert to bytes + */ + + numerator = 64 * 1006; + denominator = 54 * 8 * 1000 * 1000; + + kbps *= numerator; + peak_kbps = drm_fixp_from_fraction(kbps, denominator); + + return drm_fixp2int_ceil(peak_kbps); } EXPORT_SYMBOL(drm_dp_calc_pbn_mode); @@ -2638,11 +2689,23 @@ static int test_calc_pbn_mode(void) { int ret; ret = drm_dp_calc_pbn_mode(154000, 30); - if (ret != 689) + if (ret != 689) { + DRM_ERROR("PBN calculation test failed - clock %d, bpp %d, expected PBN %d, actual PBN %d.\n", + 154000, 30, 689, ret); return -EINVAL; + } ret = drm_dp_calc_pbn_mode(234000, 30); - if (ret != 1047) + if (ret != 1047) { + DRM_ERROR("PBN calculation test failed - clock %d, bpp %d, expected PBN %d, actual PBN %d.\n", + 234000, 30, 1047, ret); + return -EINVAL; + } + ret = drm_dp_calc_pbn_mode(297000, 24); + if (ret != 1063) { + DRM_ERROR("PBN calculation test failed - clock %d, bpp %d, expected PBN %d, actual PBN %d.\n", + 297000, 24, 1063, ret); return -EINVAL; + } return 0; } @@ -2783,6 +2846,13 @@ static void drm_dp_tx_work(struct work_struct *work) mutex_unlock(&mgr->qlock); } +static void drm_dp_free_mst_port(struct kref *kref) +{ + struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref); + kref_put(&port->parent->kref, drm_dp_free_mst_branch_device); + kfree(port); +} + static void drm_dp_destroy_connector_work(struct work_struct *work) { struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, destroy_connector_work); @@ -2803,13 +2873,22 @@ static void drm_dp_destroy_connector_work(struct work_struct *work) list_del(&port->next); mutex_unlock(&mgr->destroy_connector_lock); + kref_init(&port->kref); + INIT_LIST_HEAD(&port->next); + mgr->cbs->destroy_connector(mgr, port->connector); drm_dp_port_teardown_pdt(port, port->pdt); - if (!port->input && port->vcpi.vcpi > 0) - drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); - kfree(port); + if (!port->input && port->vcpi.vcpi > 0) { + if (mgr->mst_state) { + drm_dp_mst_reset_vcpi_slots(mgr, port); + drm_dp_update_payload_part1(mgr); + drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); + } + } + + kref_put(&port->kref, drm_dp_free_mst_port); send_hotplug = true; } if (send_hotplug) @@ -2847,6 +2926,9 @@ int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr, mgr->max_dpcd_transaction_bytes = max_dpcd_transaction_bytes; mgr->max_payloads = max_payloads; mgr->conn_base_id = conn_base_id; + if (max_payloads + 1 > sizeof(mgr->payload_mask) * 8 || + max_payloads + 1 > sizeof(mgr->vcpi_mask) * 8) + return -EINVAL; mgr->payloads = kcalloc(max_payloads, sizeof(struct drm_dp_payload), GFP_KERNEL); if (!mgr->payloads) return -ENOMEM; @@ -2854,7 +2936,9 @@ int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr, if (!mgr->proposed_vcpis) return -ENOMEM; set_bit(0, &mgr->payload_mask); - test_calc_pbn_mode(); + if (test_calc_pbn_mode() < 0) + DRM_ERROR("MST PBN self-test failed\n"); + return 0; } EXPORT_SYMBOL(drm_dp_mst_topology_mgr_init); diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index d12a4efa651b..1fe14579e8c9 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -224,6 +224,64 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe, diff = (flags & DRM_CALLED_FROM_VBLIRQ) != 0; } + /* + * Within a drm_vblank_pre_modeset - drm_vblank_post_modeset + * interval? If so then vblank irqs keep running and it will likely + * happen that the hardware vblank counter is not trustworthy as it + * might reset at some point in that interval and vblank timestamps + * are not trustworthy either in that interval. Iow. this can result + * in a bogus diff >> 1 which must be avoided as it would cause + * random large forward jumps of the software vblank counter. + */ + if (diff > 1 && (vblank->inmodeset & 0x2)) { + DRM_DEBUG_VBL("clamping vblank bump to 1 on crtc %u: diffr=%u" + " due to pre-modeset.\n", pipe, diff); + diff = 1; + } + + /* + * FIMXE: Need to replace this hack with proper seqlocks. + * + * Restrict the bump of the software vblank counter to a safe maximum + * value of +1 whenever there is the possibility that concurrent readers + * of vblank timestamps could be active at the moment, as the current + * implementation of the timestamp caching and updating is not safe + * against concurrent readers for calls to store_vblank() with a bump + * of anything but +1. A bump != 1 would very likely return corrupted + * timestamps to userspace, because the same slot in the cache could + * be concurrently written by store_vblank() and read by one of those + * readers without the read-retry logic detecting the collision. + * + * Concurrent readers can exist when we are called from the + * drm_vblank_off() or drm_vblank_on() functions and other non-vblank- + * irq callers. However, all those calls to us are happening with the + * vbl_lock locked to prevent drm_vblank_get(), so the vblank refcount + * can't increase while we are executing. Therefore a zero refcount at + * this point is safe for arbitrary counter bumps if we are called + * outside vblank irq, a non-zero count is not 100% safe. Unfortunately + * we must also accept a refcount of 1, as whenever we are called from + * drm_vblank_get() -> drm_vblank_enable() the refcount will be 1 and + * we must let that one pass through in order to not lose vblank counts + * during vblank irq off - which would completely defeat the whole + * point of this routine. + * + * Whenever we are called from vblank irq, we have to assume concurrent + * readers exist or can show up any time during our execution, even if + * the refcount is currently zero, as vblank irqs are usually only + * enabled due to the presence of readers, and because when we are called + * from vblank irq we can't hold the vbl_lock to protect us from sudden + * bumps in vblank refcount. Therefore also restrict bumps to +1 when + * called from vblank irq. + */ + if ((diff > 1) && (atomic_read(&vblank->refcount) > 1 || + (flags & DRM_CALLED_FROM_VBLIRQ))) { + DRM_DEBUG_VBL("clamping vblank bump to 1 on crtc %u: diffr=%u " + "refcount %u, vblirq %u\n", pipe, diff, + atomic_read(&vblank->refcount), + (flags & DRM_CALLED_FROM_VBLIRQ) != 0); + diff = 1; + } + DRM_DEBUG_VBL("updating vblank count on crtc %u:" " current=%u, diff=%u, hw=%u hw_last=%u\n", pipe, vblank->count, diff, cur_vblank, vblank->last); @@ -1316,7 +1374,13 @@ void drm_vblank_off(struct drm_device *dev, unsigned int pipe) spin_lock_irqsave(&dev->event_lock, irqflags); spin_lock(&dev->vbl_lock); - vblank_disable_and_save(dev, pipe); + DRM_DEBUG_VBL("crtc %d, vblank enabled %d, inmodeset %d\n", + pipe, vblank->enabled, vblank->inmodeset); + + /* Avoid redundant vblank disables without previous drm_vblank_on(). */ + if (drm_core_check_feature(dev, DRIVER_ATOMIC) || !vblank->inmodeset) + vblank_disable_and_save(dev, pipe); + wake_up(&vblank->queue); /* @@ -1418,6 +1482,9 @@ void drm_vblank_on(struct drm_device *dev, unsigned int pipe) return; spin_lock_irqsave(&dev->vbl_lock, irqflags); + DRM_DEBUG_VBL("crtc %d, vblank enabled %d, inmodeset %d\n", + pipe, vblank->enabled, vblank->inmodeset); + /* Drop our private "prevent drm_vblank_get" refcount */ if (vblank->inmodeset) { atomic_dec(&vblank->refcount); @@ -1430,8 +1497,7 @@ void drm_vblank_on(struct drm_device *dev, unsigned int pipe) * re-enable interrupts if there are users left, or the * user wishes vblank interrupts to be enabled all the time. */ - if (atomic_read(&vblank->refcount) != 0 || - (!dev->vblank_disable_immediate && drm_vblank_offdelay == 0)) + if (atomic_read(&vblank->refcount) != 0 || drm_vblank_offdelay == 0) WARN_ON(drm_vblank_enable(dev, pipe)); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } @@ -1526,6 +1592,7 @@ void drm_vblank_post_modeset(struct drm_device *dev, unsigned int pipe) if (vblank->inmodeset) { spin_lock_irqsave(&dev->vbl_lock, irqflags); dev->vblank_disable_allowed = true; + drm_reset_vblank_timestamp(dev, pipe); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); if (vblank->inmodeset & 0x2) diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 83efca941388..f17d39279596 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -1,6 +1,6 @@ config DRM_EXYNOS tristate "DRM Support for Samsung SoC EXYNOS Series" - depends on OF && DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM) + depends on OF && DRM && (ARCH_S3C64XX || ARCH_EXYNOS || ARCH_MULTIPLATFORM) select DRM_KMS_HELPER select DRM_KMS_FB_HELPER select FB_CFB_FILLRECT diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index 1bf6a21130c7..162ab93e99cb 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -93,7 +93,7 @@ static int decon_enable_vblank(struct exynos_drm_crtc *crtc) if (test_bit(BIT_SUSPENDED, &ctx->flags)) return -EPERM; - if (test_and_set_bit(BIT_IRQS_ENABLED, &ctx->flags)) { + if (!test_and_set_bit(BIT_IRQS_ENABLED, &ctx->flags)) { val = VIDINTCON0_INTEN; if (ctx->out_type == IFTYPE_I80) val |= VIDINTCON0_FRAMEDONE; @@ -402,8 +402,6 @@ static void decon_enable(struct exynos_drm_crtc *crtc) decon_enable_vblank(ctx->crtc); decon_commit(ctx->crtc); - - set_bit(BIT_SUSPENDED, &ctx->flags); } static void decon_disable(struct exynos_drm_crtc *crtc) @@ -582,9 +580,9 @@ out: static int exynos5433_decon_suspend(struct device *dev) { struct decon_context *ctx = dev_get_drvdata(dev); - int i; + int i = ARRAY_SIZE(decon_clks_name); - for (i = 0; i < ARRAY_SIZE(decon_clks_name); i++) + while (--i >= 0) clk_disable_unprepare(ctx->clks[i]); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index b79c316c2ad2..673164b331c8 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -1392,7 +1392,7 @@ static const struct component_ops exynos_dp_ops = { static int exynos_dp_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *panel_node = NULL, *bridge_node, *endpoint = NULL; + struct device_node *np = NULL, *endpoint = NULL; struct exynos_dp_device *dp; int ret; @@ -1404,41 +1404,36 @@ static int exynos_dp_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dp); /* This is for the backward compatibility. */ - panel_node = of_parse_phandle(dev->of_node, "panel", 0); - if (panel_node) { - dp->panel = of_drm_find_panel(panel_node); - of_node_put(panel_node); + np = of_parse_phandle(dev->of_node, "panel", 0); + if (np) { + dp->panel = of_drm_find_panel(np); + of_node_put(np); if (!dp->panel) return -EPROBE_DEFER; - } else { - endpoint = of_graph_get_next_endpoint(dev->of_node, NULL); - if (endpoint) { - panel_node = of_graph_get_remote_port_parent(endpoint); - if (panel_node) { - dp->panel = of_drm_find_panel(panel_node); - of_node_put(panel_node); - if (!dp->panel) - return -EPROBE_DEFER; - } else { - DRM_ERROR("no port node for panel device.\n"); - return -EINVAL; - } - } - } - - if (endpoint) goto out; + } endpoint = of_graph_get_next_endpoint(dev->of_node, NULL); if (endpoint) { - bridge_node = of_graph_get_remote_port_parent(endpoint); - if (bridge_node) { - dp->ptn_bridge = of_drm_find_bridge(bridge_node); - of_node_put(bridge_node); - if (!dp->ptn_bridge) - return -EPROBE_DEFER; - } else - return -EPROBE_DEFER; + np = of_graph_get_remote_port_parent(endpoint); + if (np) { + /* The remote port can be either a panel or a bridge */ + dp->panel = of_drm_find_panel(np); + if (!dp->panel) { + dp->ptn_bridge = of_drm_find_bridge(np); + if (!dp->ptn_bridge) { + of_node_put(np); + return -EPROBE_DEFER; + } + } + of_node_put(np); + } else { + DRM_ERROR("no remote endpoint device node found.\n"); + return -EINVAL; + } + } else { + DRM_ERROR("no port endpoint subnode found.\n"); + return -EINVAL; } out: diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index d84a498ef099..26e81d191f56 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1782,6 +1782,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master, bridge = of_drm_find_bridge(dsi->bridge_node); if (bridge) { + encoder->bridge = bridge; drm_bridge_attach(drm_dev, bridge); } @@ -1906,8 +1907,7 @@ static int exynos_dsi_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int exynos_dsi_suspend(struct device *dev) +static int __maybe_unused exynos_dsi_suspend(struct device *dev) { struct drm_encoder *encoder = dev_get_drvdata(dev); struct exynos_dsi *dsi = encoder_to_dsi(encoder); @@ -1938,7 +1938,7 @@ static int exynos_dsi_suspend(struct device *dev) return 0; } -static int exynos_dsi_resume(struct device *dev) +static int __maybe_unused exynos_dsi_resume(struct device *dev) { struct drm_encoder *encoder = dev_get_drvdata(dev); struct exynos_dsi *dsi = encoder_to_dsi(encoder); @@ -1972,7 +1972,6 @@ err_clk: return ret; } -#endif static const struct dev_pm_ops exynos_dsi_pm_ops = { SET_RUNTIME_PM_OPS(exynos_dsi_suspend, exynos_dsi_resume, NULL) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index f6118baa8e3e..8baabd813ff5 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -50,7 +50,7 @@ static int exynos_drm_fb_mmap(struct fb_info *info, if (vm_size > exynos_gem->size) return -EINVAL; - ret = dma_mmap_attrs(helper->dev->dev, vma, exynos_gem->pages, + ret = dma_mmap_attrs(helper->dev->dev, vma, exynos_gem->cookie, exynos_gem->dma_addr, exynos_gem->size, &exynos_gem->dma_attrs); if (ret < 0) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index c747824f3c98..8a4f4a0211d0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1723,7 +1723,7 @@ static int fimc_probe(struct platform_device *pdev) goto err_put_clk; } - DRM_DEBUG_KMS("id[%d]ippdrv[0x%x]\n", ctx->id, (int)ippdrv); + DRM_DEBUG_KMS("id[%d]ippdrv[%p]\n", ctx->id, ippdrv); spin_lock_init(&ctx->lock); platform_set_drvdata(pdev, ctx); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index c17efdb238a6..8dfe6e113a88 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -1166,7 +1166,7 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, goto err_free_event; } - cmd = (struct drm_exynos_g2d_cmd *)(uint32_t)req->cmd; + cmd = (struct drm_exynos_g2d_cmd *)(unsigned long)req->cmd; if (copy_from_user(cmdlist->data + cmdlist->last, (void __user *)cmd, @@ -1184,7 +1184,8 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, if (req->cmd_buf_nr) { struct drm_exynos_g2d_cmd *cmd_buf; - cmd_buf = (struct drm_exynos_g2d_cmd *)(uint32_t)req->cmd_buf; + cmd_buf = (struct drm_exynos_g2d_cmd *) + (unsigned long)req->cmd_buf; if (copy_from_user(cmdlist->data + cmdlist->last, (void __user *)cmd_buf, diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 32358c5e3db4..26b5e4bd55b6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -218,7 +218,7 @@ static struct exynos_drm_gem *exynos_drm_gem_init(struct drm_device *dev, return ERR_PTR(ret); } - DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp); + DRM_DEBUG_KMS("created file object = %p\n", obj->filp); return exynos_gem; } @@ -335,7 +335,7 @@ static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem *exynos_gem, if (vm_size > exynos_gem->size) return -EINVAL; - ret = dma_mmap_attrs(drm_dev->dev, vma, exynos_gem->pages, + ret = dma_mmap_attrs(drm_dev->dev, vma, exynos_gem->cookie, exynos_gem->dma_addr, exynos_gem->size, &exynos_gem->dma_attrs); if (ret < 0) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 7aecd23cfa11..5d20da8f957e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1723,7 +1723,7 @@ static int gsc_probe(struct platform_device *pdev) return ret; } - DRM_DEBUG_KMS("id[%d]ippdrv[0x%x]\n", ctx->id, (int)ippdrv); + DRM_DEBUG_KMS("id[%d]ippdrv[%p]\n", ctx->id, ippdrv); mutex_init(&ctx->lock); platform_set_drvdata(pdev, ctx); diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 67d24236e745..95eeb9116f10 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -208,7 +208,7 @@ static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id) * e.g PAUSE state, queue buf, command control. */ list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { - DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", count++, (int)ippdrv); + DRM_DEBUG_KMS("count[%d]ippdrv[%p]\n", count++, ippdrv); mutex_lock(&ippdrv->cmd_lock); list_for_each_entry(c_node, &ippdrv->cmd_list, list) { @@ -388,8 +388,8 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, } property->prop_id = ret; - DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[0x%x]\n", - property->prop_id, property->cmd, (int)ippdrv); + DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[%p]\n", + property->prop_id, property->cmd, ippdrv); /* stored property information and ippdrv in private data */ c_node->property = *property; @@ -518,7 +518,7 @@ static int ipp_put_mem_node(struct drm_device *drm_dev, { int i; - DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); + DRM_DEBUG_KMS("node[%p]\n", m_node); if (!m_node) { DRM_ERROR("invalid dequeue node.\n"); @@ -562,7 +562,7 @@ static struct drm_exynos_ipp_mem_node m_node->buf_id = qbuf->buf_id; INIT_LIST_HEAD(&m_node->list); - DRM_DEBUG_KMS("m_node[0x%x]ops_id[%d]\n", (int)m_node, qbuf->ops_id); + DRM_DEBUG_KMS("m_node[%p]ops_id[%d]\n", m_node, qbuf->ops_id); DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id); for_each_ipp_planar(i) { @@ -582,8 +582,8 @@ static struct drm_exynos_ipp_mem_node buf_info->handles[i] = qbuf->handle[i]; buf_info->base[i] = *addr; - DRM_DEBUG_KMS("i[%d]base[0x%x]hd[0x%lx]\n", i, - buf_info->base[i], buf_info->handles[i]); + DRM_DEBUG_KMS("i[%d]base[%pad]hd[0x%lx]\n", i, + &buf_info->base[i], buf_info->handles[i]); } } @@ -664,7 +664,7 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, mutex_lock(&c_node->event_lock); list_for_each_entry_safe(e, te, &c_node->event_list, base.link) { - DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e); + DRM_DEBUG_KMS("count[%d]e[%p]\n", count++, e); /* * qbuf == NULL condition means all event deletion. @@ -755,7 +755,7 @@ static struct drm_exynos_ipp_mem_node /* find memory node from memory list */ list_for_each_entry(m_node, head, list) { - DRM_DEBUG_KMS("count[%d]m_node[0x%x]\n", count++, (int)m_node); + DRM_DEBUG_KMS("count[%d]m_node[%p]\n", count++, m_node); /* compare buffer id */ if (m_node->buf_id == qbuf->buf_id) @@ -772,7 +772,7 @@ static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv, struct exynos_drm_ipp_ops *ops = NULL; int ret = 0; - DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node); + DRM_DEBUG_KMS("node[%p]\n", m_node); if (!m_node) { DRM_ERROR("invalid queue node.\n"); @@ -1237,7 +1237,7 @@ static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv, m_node = list_first_entry(head, struct drm_exynos_ipp_mem_node, list); - DRM_DEBUG_KMS("m_node[0x%x]\n", (int)m_node); + DRM_DEBUG_KMS("m_node[%p]\n", m_node); ret = ipp_set_mem_node(ippdrv, c_node, m_node); if (ret) { @@ -1610,8 +1610,8 @@ static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) } ippdrv->prop_list.ipp_id = ret; - DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]ipp_id[%d]\n", - count++, (int)ippdrv, ret); + DRM_DEBUG_KMS("count[%d]ippdrv[%p]ipp_id[%d]\n", + count++, ippdrv, ret); /* store parent device for node */ ippdrv->parent_dev = dev; @@ -1668,7 +1668,7 @@ static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, file_priv->ipp_dev = dev; - DRM_DEBUG_KMS("done priv[0x%x]\n", (int)dev); + DRM_DEBUG_KMS("done priv[%p]\n", dev); return 0; } @@ -1685,8 +1685,8 @@ static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, mutex_lock(&ippdrv->cmd_lock); list_for_each_entry_safe(c_node, tc_node, &ippdrv->cmd_list, list) { - DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", - count++, (int)ippdrv); + DRM_DEBUG_KMS("count[%d]ippdrv[%p]\n", + count++, ippdrv); if (c_node->filp == file) { /* diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c index 4eaef36aec5a..9869d70e9e54 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_mic.c +++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c @@ -18,6 +18,7 @@ #include <linux/of.h> #include <linux/of_graph.h> #include <linux/clk.h> +#include <linux/component.h> #include <drm/drmP.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> @@ -306,9 +307,9 @@ exit: return ret; } -void mic_disable(struct drm_bridge *bridge) { } +static void mic_disable(struct drm_bridge *bridge) { } -void mic_post_disable(struct drm_bridge *bridge) +static void mic_post_disable(struct drm_bridge *bridge) { struct exynos_mic *mic = bridge->driver_private; int i; @@ -328,7 +329,7 @@ already_disabled: mutex_unlock(&mic_mutex); } -void mic_pre_enable(struct drm_bridge *bridge) +static void mic_pre_enable(struct drm_bridge *bridge) { struct exynos_mic *mic = bridge->driver_private; int ret, i; @@ -371,11 +372,35 @@ already_enabled: mutex_unlock(&mic_mutex); } -void mic_enable(struct drm_bridge *bridge) { } +static void mic_enable(struct drm_bridge *bridge) { } -void mic_destroy(struct drm_bridge *bridge) +static const struct drm_bridge_funcs mic_bridge_funcs = { + .disable = mic_disable, + .post_disable = mic_post_disable, + .pre_enable = mic_pre_enable, + .enable = mic_enable, +}; + +static int exynos_mic_bind(struct device *dev, struct device *master, + void *data) { - struct exynos_mic *mic = bridge->driver_private; + struct exynos_mic *mic = dev_get_drvdata(dev); + int ret; + + mic->bridge.funcs = &mic_bridge_funcs; + mic->bridge.of_node = dev->of_node; + mic->bridge.driver_private = mic; + ret = drm_bridge_add(&mic->bridge); + if (ret) + DRM_ERROR("mic: Failed to add MIC to the global bridge list\n"); + + return ret; +} + +static void exynos_mic_unbind(struct device *dev, struct device *master, + void *data) +{ + struct exynos_mic *mic = dev_get_drvdata(dev); int i; mutex_lock(&mic_mutex); @@ -387,16 +412,16 @@ void mic_destroy(struct drm_bridge *bridge) already_disabled: mutex_unlock(&mic_mutex); + + drm_bridge_remove(&mic->bridge); } -static const struct drm_bridge_funcs mic_bridge_funcs = { - .disable = mic_disable, - .post_disable = mic_post_disable, - .pre_enable = mic_pre_enable, - .enable = mic_enable, +static const struct component_ops exynos_mic_component_ops = { + .bind = exynos_mic_bind, + .unbind = exynos_mic_unbind, }; -int exynos_mic_probe(struct platform_device *pdev) +static int exynos_mic_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct exynos_mic *mic; @@ -435,17 +460,8 @@ int exynos_mic_probe(struct platform_device *pdev) goto err; } - mic->bridge.funcs = &mic_bridge_funcs; - mic->bridge.of_node = dev->of_node; - mic->bridge.driver_private = mic; - ret = drm_bridge_add(&mic->bridge); - if (ret) { - DRM_ERROR("mic: Failed to add MIC to the global bridge list\n"); - goto err; - } - for (i = 0; i < NUM_CLKS; i++) { - mic->clks[i] = of_clk_get_by_name(dev->of_node, clk_names[i]); + mic->clks[i] = devm_clk_get(dev, clk_names[i]); if (IS_ERR(mic->clks[i])) { DRM_ERROR("mic: Failed to get clock (%s)\n", clk_names[i]); @@ -454,7 +470,10 @@ int exynos_mic_probe(struct platform_device *pdev) } } + platform_set_drvdata(pdev, mic); + DRM_DEBUG_KMS("MIC has been probed\n"); + return component_add(dev, &exynos_mic_component_ops); err: return ret; @@ -462,14 +481,7 @@ err: static int exynos_mic_remove(struct platform_device *pdev) { - struct exynos_mic *mic = platform_get_drvdata(pdev); - int i; - - drm_bridge_remove(&mic->bridge); - - for (i = NUM_CLKS - 1; i > -1; i--) - clk_put(mic->clks[i]); - + component_del(&pdev->dev, &exynos_mic_component_ops); return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index bea0f7826d30..ce59f4443394 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -754,7 +754,7 @@ static int rotator_probe(struct platform_device *pdev) goto err_ippdrv_register; } - DRM_DEBUG_KMS("ippdrv[0x%x]\n", (int)ippdrv); + DRM_DEBUG_KMS("ippdrv[%p]\n", ippdrv); platform_set_drvdata(pdev, rot); diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 62ac4e5fa51d..b605bd7395ec 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -223,7 +223,7 @@ static void vidi_fake_vblank_handler(struct work_struct *work) } } -static int vidi_show_connection(struct device *dev, +static ssize_t vidi_show_connection(struct device *dev, struct device_attribute *attr, char *buf) { struct vidi_context *ctx = dev_get_drvdata(dev); @@ -238,7 +238,7 @@ static int vidi_show_connection(struct device *dev, return rc; } -static int vidi_store_connection(struct device *dev, +static ssize_t vidi_store_connection(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { @@ -294,7 +294,9 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, } if (vidi->connection) { - struct edid *raw_edid = (struct edid *)(uint32_t)vidi->edid; + struct edid *raw_edid; + + raw_edid = (struct edid *)(unsigned long)vidi->edid; if (!drm_edid_is_valid(raw_edid)) { DRM_DEBUG_KMS("edid data is invalid.\n"); return -EINVAL; diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index b5fbc1cbf024..0a5a60005f7e 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1289,8 +1289,7 @@ static int mixer_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP -static int exynos_mixer_suspend(struct device *dev) +static int __maybe_unused exynos_mixer_suspend(struct device *dev) { struct mixer_context *ctx = dev_get_drvdata(dev); struct mixer_resources *res = &ctx->mixer_res; @@ -1306,7 +1305,7 @@ static int exynos_mixer_suspend(struct device *dev) return 0; } -static int exynos_mixer_resume(struct device *dev) +static int __maybe_unused exynos_mixer_resume(struct device *dev) { struct mixer_context *ctx = dev_get_drvdata(dev); struct mixer_resources *res = &ctx->mixer_res; @@ -1342,7 +1341,6 @@ static int exynos_mixer_resume(struct device *dev) return 0; } -#endif static const struct dev_pm_ops exynos_mixer_pm_ops = { SET_RUNTIME_PM_OPS(exynos_mixer_suspend, exynos_mixer_resume, NULL) diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c index 533d1e3d4a99..a02112ba1c3d 100644 --- a/drivers/gpu/drm/i2c/adv7511.c +++ b/drivers/gpu/drm/i2c/adv7511.c @@ -136,6 +136,7 @@ static bool adv7511_register_volatile(struct device *dev, unsigned int reg) case ADV7511_REG_BKSV(3): case ADV7511_REG_BKSV(4): case ADV7511_REG_DDC_STATUS: + case ADV7511_REG_EDID_READ_CTRL: case ADV7511_REG_BSTATUS(0): case ADV7511_REG_BSTATUS(1): case ADV7511_REG_CHIP_ID_HIGH: @@ -362,24 +363,31 @@ static void adv7511_power_on(struct adv7511 *adv7511) { adv7511->current_edid_segment = -1; - regmap_write(adv7511->regmap, ADV7511_REG_INT(0), - ADV7511_INT0_EDID_READY); - regmap_write(adv7511->regmap, ADV7511_REG_INT(1), - ADV7511_INT1_DDC_ERROR); regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, ADV7511_POWER_POWER_DOWN, 0); + if (adv7511->i2c_main->irq) { + /* + * Documentation says the INT_ENABLE registers are reset in + * POWER_DOWN mode. My 7511w preserved the bits, however. + * Still, let's be safe and stick to the documentation. + */ + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), + ADV7511_INT0_EDID_READY); + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), + ADV7511_INT1_DDC_ERROR); + } /* - * Per spec it is allowed to pulse the HDP signal to indicate that the + * Per spec it is allowed to pulse the HPD signal to indicate that the * EDID information has changed. Some monitors do this when they wakeup - * from standby or are enabled. When the HDP goes low the adv7511 is + * from standby or are enabled. When the HPD goes low the adv7511 is * reset and the outputs are disabled which might cause the monitor to - * go to standby again. To avoid this we ignore the HDP pin for the + * go to standby again. To avoid this we ignore the HPD pin for the * first few seconds after enabling the output. */ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, - ADV7511_REG_POWER2_HDP_SRC_MASK, - ADV7511_REG_POWER2_HDP_SRC_NONE); + ADV7511_REG_POWER2_HPD_SRC_MASK, + ADV7511_REG_POWER2_HPD_SRC_NONE); /* * Most of the registers are reset during power down or when HPD is low. @@ -413,9 +421,9 @@ static bool adv7511_hpd(struct adv7511 *adv7511) if (ret < 0) return false; - if (irq0 & ADV7511_INT0_HDP) { + if (irq0 & ADV7511_INT0_HPD) { regmap_write(adv7511->regmap, ADV7511_REG_INT(0), - ADV7511_INT0_HDP); + ADV7511_INT0_HPD); return true; } @@ -438,7 +446,7 @@ static int adv7511_irq_process(struct adv7511 *adv7511) regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0); regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1); - if (irq0 & ADV7511_INT0_HDP && adv7511->encoder) + if (irq0 & ADV7511_INT0_HPD && adv7511->encoder) drm_helper_hpd_irq_event(adv7511->encoder->dev); if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) { @@ -567,12 +575,14 @@ static int adv7511_get_modes(struct drm_encoder *encoder, /* Reading the EDID only works if the device is powered */ if (!adv7511->powered) { - regmap_write(adv7511->regmap, ADV7511_REG_INT(0), - ADV7511_INT0_EDID_READY); - regmap_write(adv7511->regmap, ADV7511_REG_INT(1), - ADV7511_INT1_DDC_ERROR); regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, ADV7511_POWER_POWER_DOWN, 0); + if (adv7511->i2c_main->irq) { + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), + ADV7511_INT0_EDID_READY); + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), + ADV7511_INT1_DDC_ERROR); + } adv7511->current_edid_segment = -1; } @@ -638,10 +648,10 @@ adv7511_encoder_detect(struct drm_encoder *encoder, if (adv7511->status == connector_status_connected) status = connector_status_disconnected; } else { - /* Renable HDP sensing */ + /* Renable HPD sensing */ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, - ADV7511_REG_POWER2_HDP_SRC_MASK, - ADV7511_REG_POWER2_HDP_SRC_BOTH); + ADV7511_REG_POWER2_HPD_SRC_MASK, + ADV7511_REG_POWER2_HPD_SRC_BOTH); } adv7511->status = status; diff --git a/drivers/gpu/drm/i2c/adv7511.h b/drivers/gpu/drm/i2c/adv7511.h index 6599ed538426..38515b30cedf 100644 --- a/drivers/gpu/drm/i2c/adv7511.h +++ b/drivers/gpu/drm/i2c/adv7511.h @@ -90,7 +90,7 @@ #define ADV7511_CSC_ENABLE BIT(7) #define ADV7511_CSC_UPDATE_MODE BIT(5) -#define ADV7511_INT0_HDP BIT(7) +#define ADV7511_INT0_HPD BIT(7) #define ADV7511_INT0_VSYNC BIT(5) #define ADV7511_INT0_AUDIO_FIFO_FULL BIT(4) #define ADV7511_INT0_EDID_READY BIT(2) @@ -157,11 +157,11 @@ #define ADV7511_PACKET_ENABLE_SPARE2 BIT(1) #define ADV7511_PACKET_ENABLE_SPARE1 BIT(0) -#define ADV7511_REG_POWER2_HDP_SRC_MASK 0xc0 -#define ADV7511_REG_POWER2_HDP_SRC_BOTH 0x00 -#define ADV7511_REG_POWER2_HDP_SRC_HDP 0x40 -#define ADV7511_REG_POWER2_HDP_SRC_CEC 0x80 -#define ADV7511_REG_POWER2_HDP_SRC_NONE 0xc0 +#define ADV7511_REG_POWER2_HPD_SRC_MASK 0xc0 +#define ADV7511_REG_POWER2_HPD_SRC_BOTH 0x00 +#define ADV7511_REG_POWER2_HPD_SRC_HPD 0x40 +#define ADV7511_REG_POWER2_HPD_SRC_CEC 0x80 +#define ADV7511_REG_POWER2_HPD_SRC_NONE 0xc0 #define ADV7511_REG_POWER2_TDMS_ENABLE BIT(4) #define ADV7511_REG_POWER2_GATE_INPUT_CLK BIT(0) diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index fcd77b27514d..051eab33e4c7 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -10,7 +10,6 @@ config DRM_I915 # the shmem_readpage() which depends upon tmpfs select SHMEM select TMPFS - select STOP_MACHINE select DRM_KMS_HELPER select DRM_PANEL select DRM_MIPI_DSI diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 0fc38bb7276c..cf39ed3133d6 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -825,8 +825,11 @@ static int i915_interrupt_info(struct seq_file *m, void *data) } for_each_pipe(dev_priv, pipe) { - if (!intel_display_power_is_enabled(dev_priv, - POWER_DOMAIN_PIPE(pipe))) { + enum intel_display_power_domain power_domain; + + power_domain = POWER_DOMAIN_PIPE(pipe); + if (!intel_display_power_get_if_enabled(dev_priv, + power_domain)) { seq_printf(m, "Pipe %c power disabled\n", pipe_name(pipe)); continue; @@ -840,6 +843,8 @@ static int i915_interrupt_info(struct seq_file *m, void *data) seq_printf(m, "Pipe %c IER:\t%08x\n", pipe_name(pipe), I915_READ(GEN8_DE_PIPE_IER(pipe))); + + intel_display_power_put(dev_priv, power_domain); } seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", @@ -3985,6 +3990,7 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; struct intel_crtc *crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); + enum intel_display_power_domain power_domain; u32 val = 0; /* shut up gcc */ int ret; @@ -3995,7 +4001,8 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, if (pipe_crc->source && source) return -EINVAL; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PIPE(pipe))) { + power_domain = POWER_DOMAIN_PIPE(pipe); + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) { DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n"); return -EIO; } @@ -4012,7 +4019,7 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, ret = ivb_pipe_crc_ctl_reg(dev, pipe, &source, &val); if (ret != 0) - return ret; + goto out; /* none -> real source transition */ if (source) { @@ -4024,8 +4031,10 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, entries = kcalloc(INTEL_PIPE_CRC_ENTRIES_NR, sizeof(pipe_crc->entries[0]), GFP_KERNEL); - if (!entries) - return -ENOMEM; + if (!entries) { + ret = -ENOMEM; + goto out; + } /* * When IPS gets enabled, the pipe CRC changes. Since IPS gets @@ -4081,7 +4090,12 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, hsw_enable_ips(crtc); } - return 0; + ret = 0; + +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } /* diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 3ac616d7363b..f357058c74d9 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -501,7 +501,9 @@ void intel_detect_pch(struct drm_device *dev) WARN_ON(!IS_SKYLAKE(dev) && !IS_KABYLAKE(dev)); } else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) || - (id == INTEL_PCH_QEMU_DEVICE_ID_TYPE)) { + ((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) && + pch->subsystem_vendor == 0x1af4 && + pch->subsystem_device == 0x1100)) { dev_priv->pch_type = intel_virt_detect_pch(dev); } else continue; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f0f75d7c0d94..b0847b915545 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -751,6 +751,7 @@ struct intel_csr { uint32_t mmio_count; i915_reg_t mmioaddr[8]; uint32_t mmiodata[8]; + uint32_t dc_state; }; #define DEV_INFO_FOR_EACH_FLAG(func, sep) \ @@ -1988,6 +1989,9 @@ enum hdmi_force_audio { #define I915_GTT_OFFSET_NONE ((u32)-1) struct drm_i915_gem_object_ops { + unsigned int flags; +#define I915_GEM_OBJECT_HAS_STRUCT_PAGE 0x1 + /* Interface between the GEM object and its backing storage. * get_pages() is called once prior to the use of the associated set * of pages before to binding them into the GTT, and put_pages() is @@ -2003,6 +2007,7 @@ struct drm_i915_gem_object_ops { */ int (*get_pages)(struct drm_i915_gem_object *); void (*put_pages)(struct drm_i915_gem_object *); + int (*dmabuf_export)(struct drm_i915_gem_object *); void (*release)(struct drm_i915_gem_object *); }; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index ddc21d4b388d..bb44bad15403 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4425,6 +4425,7 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, } static const struct drm_i915_gem_object_ops i915_gem_object_ops = { + .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE, .get_pages = i915_gem_object_get_pages_gtt, .put_pages = i915_gem_object_put_pages_gtt, }; @@ -5261,7 +5262,7 @@ i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj, int n) struct page *page; /* Only default objects have per-page dirty tracking */ - if (WARN_ON(obj->ops != &i915_gem_object_ops)) + if (WARN_ON((obj->ops->flags & I915_GEM_OBJECT_HAS_STRUCT_PAGE) == 0)) return NULL; page = i915_gem_object_get_page(obj, n); diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 19fb0bddc1cd..59e45b3a6937 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -789,9 +789,10 @@ i915_gem_userptr_dmabuf_export(struct drm_i915_gem_object *obj) } static const struct drm_i915_gem_object_ops i915_gem_userptr_ops = { - .dmabuf_export = i915_gem_userptr_dmabuf_export, + .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE, .get_pages = i915_gem_userptr_get_pages, .put_pages = i915_gem_userptr_put_pages, + .dmabuf_export = i915_gem_userptr_dmabuf_export, .release = i915_gem_userptr_release, }; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 007ae83a4086..4897728713f6 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3287,19 +3287,20 @@ enum skl_disp_power_wells { #define PORT_HOTPLUG_STAT _MMIO(dev_priv->info.display_mmio_offset + 0x61114) /* - * HDMI/DP bits are gen4+ + * HDMI/DP bits are g4x+ * * WARNING: Bspec for hpd status bits on gen4 seems to be completely confused. * Please check the detailed lore in the commit message for for experimental * evidence. */ -#define PORTD_HOTPLUG_LIVE_STATUS_G4X (1 << 29) +/* Bspec says GM45 should match G4X/VLV/CHV, but reality disagrees */ +#define PORTD_HOTPLUG_LIVE_STATUS_GM45 (1 << 29) +#define PORTC_HOTPLUG_LIVE_STATUS_GM45 (1 << 28) +#define PORTB_HOTPLUG_LIVE_STATUS_GM45 (1 << 27) +/* G4X/VLV/CHV DP/HDMI bits again match Bspec */ +#define PORTD_HOTPLUG_LIVE_STATUS_G4X (1 << 27) #define PORTC_HOTPLUG_LIVE_STATUS_G4X (1 << 28) -#define PORTB_HOTPLUG_LIVE_STATUS_G4X (1 << 27) -/* VLV DP/HDMI bits again match Bspec */ -#define PORTD_HOTPLUG_LIVE_STATUS_VLV (1 << 27) -#define PORTC_HOTPLUG_LIVE_STATUS_VLV (1 << 28) -#define PORTB_HOTPLUG_LIVE_STATUS_VLV (1 << 29) +#define PORTB_HOTPLUG_LIVE_STATUS_G4X (1 << 29) #define PORTD_HOTPLUG_INT_STATUS (3 << 21) #define PORTD_HOTPLUG_INT_LONG_PULSE (2 << 21) #define PORTD_HOTPLUG_INT_SHORT_PULSE (1 << 21) @@ -7514,7 +7515,7 @@ enum skl_disp_power_wells { #define DPLL_CFGCR2_PDIV_7 (4<<2) #define DPLL_CFGCR2_CENTRAL_FREQ_MASK (3) -#define DPLL_CFGCR1(id) _MMIO_PIPE((id) - SKL_DPLL1, _DPLL1_CFGCR1, _DPLL2_CFGCR2) +#define DPLL_CFGCR1(id) _MMIO_PIPE((id) - SKL_DPLL1, _DPLL1_CFGCR1, _DPLL2_CFGCR1) #define DPLL_CFGCR2(id) _MMIO_PIPE((id) - SKL_DPLL1, _DPLL1_CFGCR2, _DPLL2_CFGCR2) /* BXT display engine PLL */ diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index a2aa09ce3202..a8af594fbd00 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -49,7 +49,7 @@ static void i915_save_display(struct drm_device *dev) dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS); dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS); dev_priv->regfile.savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR); - } else if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { + } else if (INTEL_INFO(dev)->gen <= 4) { dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL); dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); @@ -84,7 +84,7 @@ static void i915_restore_display(struct drm_device *dev) I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS); I915_WRITE(PCH_PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR); I915_WRITE(PCH_PP_CONTROL, dev_priv->regfile.savePP_CONTROL); - } else if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { + } else if (INTEL_INFO(dev)->gen <= 4) { I915_WRITE(PP_ON_DELAYS, dev_priv->regfile.savePP_ON_DELAYS); I915_WRITE(PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS); I915_WRITE(PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 9c89df1af036..a7b4a524fadd 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -71,22 +71,29 @@ static bool intel_crt_get_hw_state(struct intel_encoder *encoder, struct intel_crt *crt = intel_encoder_to_crt(encoder); enum intel_display_power_domain power_domain; u32 tmp; + bool ret; power_domain = intel_display_port_power_domain(encoder); - if (!intel_display_power_is_enabled(dev_priv, power_domain)) + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; + ret = false; + tmp = I915_READ(crt->adpa_reg); if (!(tmp & ADPA_DAC_ENABLE)) - return false; + goto out; if (HAS_PCH_CPT(dev)) *pipe = PORT_TO_PIPE_CPT(tmp); else *pipe = PORT_TO_PIPE(tmp); - return true; + ret = true; +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } static unsigned int intel_crt_get_flags(struct intel_encoder *encoder) diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index 9bb63a85997a..647d85e77c2f 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -240,6 +240,8 @@ void intel_csr_load_program(struct drm_i915_private *dev_priv) I915_WRITE(dev_priv->csr.mmioaddr[i], dev_priv->csr.mmiodata[i]); } + + dev_priv->csr.dc_state = 0; } static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index e6408e5583d7..0f3df2c39f7c 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1589,7 +1589,8 @@ skl_ddi_pll_select(struct intel_crtc *intel_crtc, DPLL_CFGCR2_KDIV(wrpll_params.kdiv) | DPLL_CFGCR2_PDIV(wrpll_params.pdiv) | wrpll_params.central_freq; - } else if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) { + } else if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT || + intel_encoder->type == INTEL_OUTPUT_DP_MST) { switch (crtc_state->port_clock / 2) { case 81000: ctrl1 |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, 0); @@ -1968,13 +1969,16 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) enum transcoder cpu_transcoder; enum intel_display_power_domain power_domain; uint32_t tmp; + bool ret; power_domain = intel_display_port_power_domain(intel_encoder); - if (!intel_display_power_is_enabled(dev_priv, power_domain)) + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; - if (!intel_encoder->get_hw_state(intel_encoder, &pipe)) - return false; + if (!intel_encoder->get_hw_state(intel_encoder, &pipe)) { + ret = false; + goto out; + } if (port == PORT_A) cpu_transcoder = TRANSCODER_EDP; @@ -1986,23 +1990,33 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) switch (tmp & TRANS_DDI_MODE_SELECT_MASK) { case TRANS_DDI_MODE_SELECT_HDMI: case TRANS_DDI_MODE_SELECT_DVI: - return (type == DRM_MODE_CONNECTOR_HDMIA); + ret = type == DRM_MODE_CONNECTOR_HDMIA; + break; case TRANS_DDI_MODE_SELECT_DP_SST: - if (type == DRM_MODE_CONNECTOR_eDP) - return true; - return (type == DRM_MODE_CONNECTOR_DisplayPort); + ret = type == DRM_MODE_CONNECTOR_eDP || + type == DRM_MODE_CONNECTOR_DisplayPort; + break; + case TRANS_DDI_MODE_SELECT_DP_MST: /* if the transcoder is in MST state then * connector isn't connected */ - return false; + ret = false; + break; case TRANS_DDI_MODE_SELECT_FDI: - return (type == DRM_MODE_CONNECTOR_VGA); + ret = type == DRM_MODE_CONNECTOR_VGA; + break; default: - return false; + ret = false; + break; } + +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } bool intel_ddi_get_hw_state(struct intel_encoder *encoder, @@ -2014,15 +2028,18 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum intel_display_power_domain power_domain; u32 tmp; int i; + bool ret; power_domain = intel_display_port_power_domain(encoder); - if (!intel_display_power_is_enabled(dev_priv, power_domain)) + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; + ret = false; + tmp = I915_READ(DDI_BUF_CTL(port)); if (!(tmp & DDI_BUF_CTL_ENABLE)) - return false; + goto out; if (port == PORT_A) { tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); @@ -2040,25 +2057,32 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder, break; } - return true; - } else { - for (i = TRANSCODER_A; i <= TRANSCODER_C; i++) { - tmp = I915_READ(TRANS_DDI_FUNC_CTL(i)); + ret = true; - if ((tmp & TRANS_DDI_PORT_MASK) - == TRANS_DDI_SELECT_PORT(port)) { - if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == TRANS_DDI_MODE_SELECT_DP_MST) - return false; + goto out; + } - *pipe = i; - return true; - } + for (i = TRANSCODER_A; i <= TRANSCODER_C; i++) { + tmp = I915_READ(TRANS_DDI_FUNC_CTL(i)); + + if ((tmp & TRANS_DDI_PORT_MASK) == TRANS_DDI_SELECT_PORT(port)) { + if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == + TRANS_DDI_MODE_SELECT_DP_MST) + goto out; + + *pipe = i; + ret = true; + + goto out; } } DRM_DEBUG_KMS("No pipe for ddi port %c found\n", port_name(port)); - return false; +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc) @@ -2507,12 +2531,14 @@ static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *dev_priv, { uint32_t val; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) + if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS)) return false; val = I915_READ(WRPLL_CTL(pll->id)); hw_state->wrpll = val; + intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); + return val & WRPLL_PLL_ENABLE; } @@ -2522,12 +2548,14 @@ static bool hsw_ddi_spll_get_hw_state(struct drm_i915_private *dev_priv, { uint32_t val; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) + if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS)) return false; val = I915_READ(SPLL_CTL); hw_state->spll = val; + intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); + return val & SPLL_PLL_ENABLE; } @@ -2644,16 +2672,19 @@ static bool skl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv, uint32_t val; unsigned int dpll; const struct skl_dpll_regs *regs = skl_dpll_regs; + bool ret; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) + if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS)) return false; + ret = false; + /* DPLL0 is not part of the shared DPLLs, so pll->id is 0 for DPLL1 */ dpll = pll->id + 1; val = I915_READ(regs[pll->id].ctl); if (!(val & LCPLL_PLL_ENABLE)) - return false; + goto out; val = I915_READ(DPLL_CTRL1); hw_state->ctrl1 = (val >> (dpll * 6)) & 0x3f; @@ -2663,8 +2694,12 @@ static bool skl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv, hw_state->cfgcr1 = I915_READ(regs[pll->id].cfgcr1); hw_state->cfgcr2 = I915_READ(regs[pll->id].cfgcr2); } + ret = true; - return true; +out: + intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); + + return ret; } static void skl_shared_dplls_init(struct drm_i915_private *dev_priv) @@ -2931,13 +2966,16 @@ static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv, { enum port port = (enum port)pll->id; /* 1:1 port->PLL mapping */ uint32_t val; + bool ret; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) + if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS)) return false; + ret = false; + val = I915_READ(BXT_PORT_PLL_ENABLE(port)); if (!(val & PORT_PLL_ENABLE)) - return false; + goto out; hw_state->ebb0 = I915_READ(BXT_PORT_PLL_EBB_0(port)); hw_state->ebb0 &= PORT_PLL_P1_MASK | PORT_PLL_P2_MASK; @@ -2984,7 +3022,12 @@ static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv, I915_READ(BXT_PORT_PCS_DW12_LN23(port))); hw_state->pcsdw12 &= LANE_STAGGER_MASK | LANESTAGGER_STRAP_OVRD; - return true; + ret = true; + +out: + intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); + + return ret; } static void bxt_shared_dplls_init(struct drm_i915_private *dev_priv) @@ -3119,11 +3162,15 @@ bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, { u32 temp; - if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) { + if (intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_AUDIO)) { temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); + + intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO); + if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) return true; } + return false; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2f00828ccc6e..46947fffd599 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1351,18 +1351,21 @@ void assert_pipe(struct drm_i915_private *dev_priv, bool cur_state; enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, pipe); + enum intel_display_power_domain power_domain; /* if we need the pipe quirk it must be always on */ if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) state = true; - if (!intel_display_power_is_enabled(dev_priv, - POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { - cur_state = false; - } else { + power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); + if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { u32 val = I915_READ(PIPECONF(cpu_transcoder)); cur_state = !!(val & PIPECONF_ENABLE); + + intel_display_power_put(dev_priv, power_domain); + } else { + cur_state = false; } I915_STATE_WARN(cur_state != state, @@ -2946,7 +2949,7 @@ u32 intel_plane_obj_offset(struct intel_plane *intel_plane, struct i915_vma *vma; u64 offset; - intel_fill_fb_ggtt_view(&view, intel_plane->base.fb, + intel_fill_fb_ggtt_view(&view, intel_plane->base.state->fb, intel_plane->base.state); vma = i915_gem_obj_to_ggtt_view(obj, &view); @@ -8171,18 +8174,22 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + enum intel_display_power_domain power_domain; uint32_t tmp; + bool ret; - if (!intel_display_power_is_enabled(dev_priv, - POWER_DOMAIN_PIPE(crtc->pipe))) + power_domain = POWER_DOMAIN_PIPE(crtc->pipe); + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; pipe_config->shared_dpll = DPLL_ID_PRIVATE; + ret = false; + tmp = I915_READ(PIPECONF(crtc->pipe)); if (!(tmp & PIPECONF_ENABLE)) - return false; + goto out; if (IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { switch (tmp & PIPECONF_BPC_MASK) { @@ -8262,7 +8269,12 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, pipe_config->base.adjusted_mode.crtc_clock = pipe_config->port_clock / pipe_config->pixel_multiplier; - return true; + ret = true; + +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } static void ironlake_init_pch_refclk(struct drm_device *dev) @@ -9366,18 +9378,21 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + enum intel_display_power_domain power_domain; uint32_t tmp; + bool ret; - if (!intel_display_power_is_enabled(dev_priv, - POWER_DOMAIN_PIPE(crtc->pipe))) + power_domain = POWER_DOMAIN_PIPE(crtc->pipe); + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; pipe_config->shared_dpll = DPLL_ID_PRIVATE; + ret = false; tmp = I915_READ(PIPECONF(crtc->pipe)); if (!(tmp & PIPECONF_ENABLE)) - return false; + goto out; switch (tmp & PIPECONF_BPC_MASK) { case PIPECONF_6BPC: @@ -9440,7 +9455,12 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, ironlake_get_pfit_config(crtc, pipe_config); - return true; + ret = true; + +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) @@ -9950,12 +9970,17 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - enum intel_display_power_domain pfit_domain; + enum intel_display_power_domain power_domain; + unsigned long power_domain_mask; uint32_t tmp; + bool ret; - if (!intel_display_power_is_enabled(dev_priv, - POWER_DOMAIN_PIPE(crtc->pipe))) + power_domain = POWER_DOMAIN_PIPE(crtc->pipe); + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; + power_domain_mask = BIT(power_domain); + + ret = false; pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; pipe_config->shared_dpll = DPLL_ID_PRIVATE; @@ -9982,13 +10007,14 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, pipe_config->cpu_transcoder = TRANSCODER_EDP; } - if (!intel_display_power_is_enabled(dev_priv, - POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) - return false; + power_domain = POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder); + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) + goto out; + power_domain_mask |= BIT(power_domain); tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); if (!(tmp & PIPECONF_ENABLE)) - return false; + goto out; haswell_get_ddi_port_state(crtc, pipe_config); @@ -9998,14 +10024,14 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, skl_init_scalers(dev, crtc, pipe_config); } - pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); - if (INTEL_INFO(dev)->gen >= 9) { pipe_config->scaler_state.scaler_id = -1; pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); } - if (intel_display_power_is_enabled(dev_priv, pfit_domain)) { + power_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); + if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { + power_domain_mask |= BIT(power_domain); if (INTEL_INFO(dev)->gen >= 9) skylake_get_pfit_config(crtc, pipe_config); else @@ -10023,7 +10049,13 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, pipe_config->pixel_multiplier = 1; } - return true; + ret = true; + +out: + for_each_power_domain(power_domain, power_domain_mask) + intel_display_power_put(dev_priv, power_domain); + + return ret; } static void i845_update_cursor(struct drm_crtc *crtc, u32 base, bool on) @@ -12075,11 +12107,21 @@ connected_sink_compute_bpp(struct intel_connector *connector, pipe_config->pipe_bpp = connector->base.display_info.bpc*3; } - /* Clamp bpp to 8 on screens without EDID 1.4 */ - if (connector->base.display_info.bpc == 0 && bpp > 24) { - DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", - bpp); - pipe_config->pipe_bpp = 24; + /* Clamp bpp to default limit on screens without EDID 1.4 */ + if (connector->base.display_info.bpc == 0) { + int type = connector->base.connector_type; + int clamp_bpp = 24; + + /* Fall back to 18 bpp when DP sink capability is unknown. */ + if (type == DRM_MODE_CONNECTOR_DisplayPort || + type == DRM_MODE_CONNECTOR_eDP) + clamp_bpp = 18; + + if (bpp > clamp_bpp) { + DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of %d\n", + bpp, clamp_bpp); + pipe_config->pipe_bpp = clamp_bpp; + } } } @@ -13620,7 +13662,7 @@ static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, { uint32_t val; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) + if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS)) return false; val = I915_READ(PCH_DPLL(pll->id)); @@ -13628,6 +13670,8 @@ static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); + intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); + return val & DPLL_VCO_ENABLE; } @@ -13883,11 +13927,12 @@ intel_check_primary_plane(struct drm_plane *plane, int max_scale = DRM_PLANE_HELPER_NO_SCALING; bool can_position = false; - /* use scaler when colorkey is not required */ - if (INTEL_INFO(plane->dev)->gen >= 9 && - state->ckey.flags == I915_SET_COLORKEY_NONE) { - min_scale = 1; - max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state); + if (INTEL_INFO(plane->dev)->gen >= 9) { + /* use scaler when colorkey is not required */ + if (state->ckey.flags == I915_SET_COLORKEY_NONE) { + min_scale = 1; + max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state); + } can_position = true; } @@ -15557,10 +15602,12 @@ void i915_redisable_vga(struct drm_device *dev) * level, just check if the power well is enabled instead of trying to * follow the "don't touch the power well if we don't need it" policy * the rest of the driver uses. */ - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_VGA)) + if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_VGA)) return; i915_redisable_vga_power_on(dev); + + intel_display_power_put(dev_priv, POWER_DOMAIN_VGA); } static bool primary_get_hw_state(struct intel_plane *plane) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 796e3d313cb9..1d8de43bed56 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2362,15 +2362,18 @@ static bool intel_dp_get_hw_state(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = dev->dev_private; enum intel_display_power_domain power_domain; u32 tmp; + bool ret; power_domain = intel_display_port_power_domain(encoder); - if (!intel_display_power_is_enabled(dev_priv, power_domain)) + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; + ret = false; + tmp = I915_READ(intel_dp->output_reg); if (!(tmp & DP_PORT_EN)) - return false; + goto out; if (IS_GEN7(dev) && port == PORT_A) { *pipe = PORT_TO_PIPE_CPT(tmp); @@ -2381,7 +2384,9 @@ static bool intel_dp_get_hw_state(struct intel_encoder *encoder, u32 trans_dp = I915_READ(TRANS_DP_CTL(p)); if (TRANS_DP_PIPE_TO_PORT(trans_dp) == port) { *pipe = p; - return true; + ret = true; + + goto out; } } @@ -2393,7 +2398,12 @@ static bool intel_dp_get_hw_state(struct intel_encoder *encoder, *pipe = PORT_TO_PIPE(tmp); } - return true; + ret = true; + +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } static void intel_dp_get_config(struct intel_encoder *encoder, @@ -4493,20 +4503,20 @@ static bool g4x_digital_port_connected(struct drm_i915_private *dev_priv, return I915_READ(PORT_HOTPLUG_STAT) & bit; } -static bool vlv_digital_port_connected(struct drm_i915_private *dev_priv, - struct intel_digital_port *port) +static bool gm45_digital_port_connected(struct drm_i915_private *dev_priv, + struct intel_digital_port *port) { u32 bit; switch (port->port) { case PORT_B: - bit = PORTB_HOTPLUG_LIVE_STATUS_VLV; + bit = PORTB_HOTPLUG_LIVE_STATUS_GM45; break; case PORT_C: - bit = PORTC_HOTPLUG_LIVE_STATUS_VLV; + bit = PORTC_HOTPLUG_LIVE_STATUS_GM45; break; case PORT_D: - bit = PORTD_HOTPLUG_LIVE_STATUS_VLV; + bit = PORTD_HOTPLUG_LIVE_STATUS_GM45; break; default: MISSING_CASE(port->port); @@ -4558,8 +4568,8 @@ bool intel_digital_port_connected(struct drm_i915_private *dev_priv, return cpt_digital_port_connected(dev_priv, port); else if (IS_BROXTON(dev_priv)) return bxt_digital_port_connected(dev_priv, port); - else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - return vlv_digital_port_connected(dev_priv, port); + else if (IS_GM45(dev_priv)) + return gm45_digital_port_connected(dev_priv, port); else return g4x_digital_port_connected(dev_priv, port); } diff --git a/drivers/gpu/drm/i915/intel_dp_link_training.c b/drivers/gpu/drm/i915/intel_dp_link_training.c index 88887938e0bf..0b8eefc2acc5 100644 --- a/drivers/gpu/drm/i915/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/intel_dp_link_training.c @@ -215,27 +215,46 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) } } -static void -intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) +/* + * Pick training pattern for channel equalization. Training Pattern 3 for HBR2 + * or 1.2 devices that support it, Training Pattern 2 otherwise. + */ +static u32 intel_dp_training_pattern(struct intel_dp *intel_dp) { - bool channel_eq = false; - int tries, cr_tries; - uint32_t training_pattern = DP_TRAINING_PATTERN_2; + u32 training_pattern = DP_TRAINING_PATTERN_2; + bool source_tps3, sink_tps3; /* - * Training Pattern 3 for HBR2 or 1.2 devices that support it. - * * Intel platforms that support HBR2 also support TPS3. TPS3 support is - * also mandatory for downstream devices that support HBR2. + * also mandatory for downstream devices that support HBR2. However, not + * all sinks follow the spec. * * Due to WaDisableHBR2 SKL < B0 is the only exception where TPS3 is - * supported but still not enabled. + * supported in source but still not enabled. */ - if (intel_dp_source_supports_hbr2(intel_dp) && - drm_dp_tps3_supported(intel_dp->dpcd)) + source_tps3 = intel_dp_source_supports_hbr2(intel_dp); + sink_tps3 = drm_dp_tps3_supported(intel_dp->dpcd); + + if (source_tps3 && sink_tps3) { training_pattern = DP_TRAINING_PATTERN_3; - else if (intel_dp->link_rate == 540000) - DRM_ERROR("5.4 Gbps link rate without HBR2/TPS3 support\n"); + } else if (intel_dp->link_rate == 540000) { + if (!source_tps3) + DRM_DEBUG_KMS("5.4 Gbps link rate without source HBR2/TPS3 support\n"); + if (!sink_tps3) + DRM_DEBUG_KMS("5.4 Gbps link rate without sink TPS3 support\n"); + } + + return training_pattern; +} + +static void +intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) +{ + bool channel_eq = false; + int tries, cr_tries; + u32 training_pattern; + + training_pattern = intel_dp_training_pattern(intel_dp); /* channel equalization */ if (!intel_dp_set_link_train(intel_dp, diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index ea5415851c6e..df7f3cb66056 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1428,6 +1428,8 @@ bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); void intel_display_power_get(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); +bool intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv, + enum intel_display_power_domain domain); void intel_display_power_put(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); @@ -1514,6 +1516,7 @@ enable_rpm_wakeref_asserts(struct drm_i915_private *dev_priv) enable_rpm_wakeref_asserts(dev_priv) void intel_runtime_pm_get(struct drm_i915_private *dev_priv); +bool intel_runtime_pm_get_if_in_use(struct drm_i915_private *dev_priv); void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv); void intel_runtime_pm_put(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 44742fa2f616..0193c62a53ef 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -664,13 +664,16 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder, struct drm_device *dev = encoder->base.dev; enum intel_display_power_domain power_domain; enum port port; + bool ret; DRM_DEBUG_KMS("\n"); power_domain = intel_display_port_power_domain(encoder); - if (!intel_display_power_is_enabled(dev_priv, power_domain)) + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; + ret = false; + /* XXX: this only works for one DSI output */ for_each_dsi_port(port, intel_dsi->ports) { i915_reg_t ctrl_reg = IS_BROXTON(dev) ? @@ -691,12 +694,16 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder, if (dpi_enabled || (func & CMD_MODE_DATA_WIDTH_MASK)) { if (I915_READ(MIPI_DEVICE_READY(port)) & DEVICE_READY) { *pipe = port == PORT_A ? PIPE_A : PIPE_B; - return true; + ret = true; + + goto out; } } } +out: + intel_display_power_put(dev_priv, power_domain); - return false; + return ret; } static void intel_dsi_get_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c index a5e99ac305da..e8113ad65477 100644 --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c @@ -204,10 +204,28 @@ static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data) struct drm_device *dev = intel_dsi->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + if (dev_priv->vbt.dsi.seq_version >= 3) + data++; + gpio = *data++; /* pull up/down */ - action = *data++; + action = *data++ & 1; + + if (gpio >= ARRAY_SIZE(gtable)) { + DRM_DEBUG_KMS("unknown gpio %u\n", gpio); + goto out; + } + + if (!IS_VALLEYVIEW(dev_priv)) { + DRM_DEBUG_KMS("GPIO element not supported on this platform\n"); + goto out; + } + + if (dev_priv->vbt.dsi.seq_version >= 3) { + DRM_DEBUG_KMS("GPIO element v3 not supported\n"); + goto out; + } function = gtable[gpio].function_reg; pad = gtable[gpio].pad_reg; @@ -226,6 +244,7 @@ static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data) vlv_gpio_nc_write(dev_priv, pad, val); mutex_unlock(&dev_priv->sb_lock); +out: return data; } diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 4a77639a489d..cb5d1b15755c 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -880,15 +880,18 @@ static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); enum intel_display_power_domain power_domain; u32 tmp; + bool ret; power_domain = intel_display_port_power_domain(encoder); - if (!intel_display_power_is_enabled(dev_priv, power_domain)) + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; + ret = false; + tmp = I915_READ(intel_hdmi->hdmi_reg); if (!(tmp & SDVO_ENABLE)) - return false; + goto out; if (HAS_PCH_CPT(dev)) *pipe = PORT_TO_PIPE_CPT(tmp); @@ -897,7 +900,12 @@ static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, else *pipe = PORT_TO_PIPE(tmp); - return true; + ret = true; + +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } static void intel_hdmi_get_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 25254b5c1ac5..deb8282c26d8 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -683,7 +683,7 @@ int intel_setup_gmbus(struct drm_device *dev) return 0; err: - while (--pin) { + while (pin--) { if (!intel_gmbus_is_valid_pin(dev_priv, pin)) continue; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 3aa614731d7e..f1fa756c5d5d 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1707,6 +1707,7 @@ static int gen8_emit_flush_render(struct drm_i915_gem_request *request, if (flush_domains) { flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + flags |= PIPE_CONTROL_DC_FLUSH_ENABLE; flags |= PIPE_CONTROL_FLUSH_ENABLE; } diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 0da0240caf81..bc04d8d29acb 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -75,22 +75,30 @@ static bool intel_lvds_get_hw_state(struct intel_encoder *encoder, struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); enum intel_display_power_domain power_domain; u32 tmp; + bool ret; power_domain = intel_display_port_power_domain(encoder); - if (!intel_display_power_is_enabled(dev_priv, power_domain)) + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; + ret = false; + tmp = I915_READ(lvds_encoder->reg); if (!(tmp & LVDS_PORT_EN)) - return false; + goto out; if (HAS_PCH_CPT(dev)) *pipe = PORT_TO_PIPE_CPT(tmp); else *pipe = PORT_TO_PIPE(tmp); - return true; + ret = true; + +out: + intel_display_power_put(dev_priv, power_domain); + + return ret; } static void intel_lvds_get_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index eb5fa05cf476..b28c29f20e75 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1783,16 +1783,20 @@ static uint32_t ilk_compute_cur_wm(const struct intel_crtc_state *cstate, const struct intel_plane_state *pstate, uint32_t mem_value) { - int bpp = pstate->base.fb ? pstate->base.fb->bits_per_pixel / 8 : 0; + /* + * We treat the cursor plane as always-on for the purposes of watermark + * calculation. Until we have two-stage watermark programming merged, + * this is necessary to avoid flickering. + */ + int cpp = 4; + int width = pstate->visible ? pstate->base.crtc_w : 64; - if (!cstate->base.active || !pstate->visible) + if (!cstate->base.active) return 0; return ilk_wm_method2(ilk_pipe_pixel_rate(cstate), cstate->base.adjusted_mode.crtc_htotal, - drm_rect_width(&pstate->dst), - bpp, - mem_value); + width, cpp, mem_value); } /* Only for WM_LP. */ @@ -2825,7 +2829,10 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, memset(ddb, 0, sizeof(*ddb)); for_each_pipe(dev_priv, pipe) { - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PIPE(pipe))) + enum intel_display_power_domain power_domain; + + power_domain = POWER_DOMAIN_PIPE(pipe); + if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) continue; for_each_plane(dev_priv, pipe, plane) { @@ -2837,6 +2844,8 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, val = I915_READ(CUR_BUF_CFG(pipe)); skl_ddb_entry_init_from_hw(&ddb->plane[pipe][PLANE_CURSOR], val); + + intel_display_power_put(dev_priv, power_domain); } } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 339701d7a9a5..40c6aff57256 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -331,6 +331,7 @@ gen7_render_ring_flush(struct drm_i915_gem_request *req, if (flush_domains) { flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + flags |= PIPE_CONTROL_DC_FLUSH_ENABLE; flags |= PIPE_CONTROL_FLUSH_ENABLE; } if (invalidate_domains) { @@ -403,6 +404,7 @@ gen8_render_ring_flush(struct drm_i915_gem_request *req, if (flush_domains) { flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + flags |= PIPE_CONTROL_DC_FLUSH_ENABLE; flags |= PIPE_CONTROL_FLUSH_ENABLE; } if (invalidate_domains) { diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index ddbdbffe829a..4f43d9b32e66 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -470,6 +470,43 @@ static void gen9_set_dc_state_debugmask_memory_up( } } +static void gen9_write_dc_state(struct drm_i915_private *dev_priv, + u32 state) +{ + int rewrites = 0; + int rereads = 0; + u32 v; + + I915_WRITE(DC_STATE_EN, state); + + /* It has been observed that disabling the dc6 state sometimes + * doesn't stick and dmc keeps returning old value. Make sure + * the write really sticks enough times and also force rewrite until + * we are confident that state is exactly what we want. + */ + do { + v = I915_READ(DC_STATE_EN); + + if (v != state) { + I915_WRITE(DC_STATE_EN, state); + rewrites++; + rereads = 0; + } else if (rereads++ > 5) { + break; + } + + } while (rewrites < 100); + + if (v != state) + DRM_ERROR("Writing dc state to 0x%x failed, now 0x%x\n", + state, v); + + /* Most of the times we need one retry, avoid spam */ + if (rewrites > 1) + DRM_DEBUG_KMS("Rewrote dc state to 0x%x %d times\n", + state, rewrites); +} + static void gen9_set_dc_state(struct drm_i915_private *dev_priv, uint32_t state) { uint32_t val; @@ -494,10 +531,18 @@ static void gen9_set_dc_state(struct drm_i915_private *dev_priv, uint32_t state) val = I915_READ(DC_STATE_EN); DRM_DEBUG_KMS("Setting DC state from %02x to %02x\n", val & mask, state); + + /* Check if DMC is ignoring our DC state requests */ + if ((val & mask) != dev_priv->csr.dc_state) + DRM_ERROR("DC state mismatch (0x%x -> 0x%x)\n", + dev_priv->csr.dc_state, val & mask); + val &= ~mask; val |= state; - I915_WRITE(DC_STATE_EN, val); - POSTING_READ(DC_STATE_EN); + + gen9_write_dc_state(dev_priv, val); + + dev_priv->csr.dc_state = val & mask; } void bxt_enable_dc9(struct drm_i915_private *dev_priv) @@ -1442,6 +1487,22 @@ static void chv_pipe_power_well_disable(struct drm_i915_private *dev_priv, chv_set_pipe_power_well(dev_priv, power_well, false); } +static void +__intel_display_power_get_domain(struct drm_i915_private *dev_priv, + enum intel_display_power_domain domain) +{ + struct i915_power_domains *power_domains = &dev_priv->power_domains; + struct i915_power_well *power_well; + int i; + + for_each_power_well(i, power_well, BIT(domain), power_domains) { + if (!power_well->count++) + intel_power_well_enable(dev_priv, power_well); + } + + power_domains->domain_use_count[domain]++; +} + /** * intel_display_power_get - grab a power domain reference * @dev_priv: i915 device instance @@ -1457,24 +1518,53 @@ static void chv_pipe_power_well_disable(struct drm_i915_private *dev_priv, void intel_display_power_get(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain) { - struct i915_power_domains *power_domains; - struct i915_power_well *power_well; - int i; + struct i915_power_domains *power_domains = &dev_priv->power_domains; intel_runtime_pm_get(dev_priv); - power_domains = &dev_priv->power_domains; + mutex_lock(&power_domains->lock); + + __intel_display_power_get_domain(dev_priv, domain); + + mutex_unlock(&power_domains->lock); +} + +/** + * intel_display_power_get_if_enabled - grab a reference for an enabled display power domain + * @dev_priv: i915 device instance + * @domain: power domain to reference + * + * This function grabs a power domain reference for @domain and ensures that the + * power domain and all its parents are powered up. Therefore users should only + * grab a reference to the innermost power domain they need. + * + * Any power domain reference obtained by this function must have a symmetric + * call to intel_display_power_put() to release the reference again. + */ +bool intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv, + enum intel_display_power_domain domain) +{ + struct i915_power_domains *power_domains = &dev_priv->power_domains; + bool is_enabled; + + if (!intel_runtime_pm_get_if_in_use(dev_priv)) + return false; mutex_lock(&power_domains->lock); - for_each_power_well(i, power_well, BIT(domain), power_domains) { - if (!power_well->count++) - intel_power_well_enable(dev_priv, power_well); + if (__intel_display_power_is_enabled(dev_priv, domain)) { + __intel_display_power_get_domain(dev_priv, domain); + is_enabled = true; + } else { + is_enabled = false; } - power_domains->domain_use_count[domain]++; - mutex_unlock(&power_domains->lock); + + if (!is_enabled) + intel_runtime_pm_put(dev_priv); + + return is_enabled; } /** @@ -2213,15 +2303,15 @@ void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume) */ void intel_power_domains_suspend(struct drm_i915_private *dev_priv) { - if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) - skl_display_core_uninit(dev_priv); - /* * Even if power well support was disabled we still want to disable * power wells while we are system suspended. */ if (!i915.disable_power_well) intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); + + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) + skl_display_core_uninit(dev_priv); } /** @@ -2246,6 +2336,41 @@ void intel_runtime_pm_get(struct drm_i915_private *dev_priv) } /** + * intel_runtime_pm_get_if_in_use - grab a runtime pm reference if device in use + * @dev_priv: i915 device instance + * + * This function grabs a device-level runtime pm reference if the device is + * already in use and ensures that it is powered up. + * + * Any runtime pm reference obtained by this function must have a symmetric + * call to intel_runtime_pm_put() to release the reference again. + */ +bool intel_runtime_pm_get_if_in_use(struct drm_i915_private *dev_priv) +{ + struct drm_device *dev = dev_priv->dev; + struct device *device = &dev->pdev->dev; + + if (IS_ENABLED(CONFIG_PM)) { + int ret = pm_runtime_get_if_in_use(device); + + /* + * In cases runtime PM is disabled by the RPM core and we get + * an -EINVAL return value we are not supposed to call this + * function, since the power state is undefined. This applies + * atm to the late/early system suspend/resume handlers. + */ + WARN_ON_ONCE(ret < 0); + if (ret <= 0) + return false; + } + + atomic_inc(&dev_priv->pm.wakeref_count); + assert_rpm_wakelock_held(dev_priv); + + return true; +} + +/** * intel_runtime_pm_get_noresume - grab a runtime pm reference * @dev_priv: i915 device instance * diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 78f520d05de9..e3acc35e3805 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1520,7 +1520,7 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm) DMA_BIDIRECTIONAL); if (dma_mapping_error(pdev, addr)) { - while (--i) { + while (i--) { dma_unmap_page(pdev, ttm_dma->dma_address[i], PAGE_SIZE, DMA_BIDIRECTIONAL); ttm_dma->dma_address[i] = 0; diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 24be27d3cd18..20935eb2a09e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -635,10 +635,6 @@ nouveau_display_resume(struct drm_device *dev, bool runtime) nv_crtc->lut.depth = 0; } - /* Make sure that drm and hw vblank irqs get resumed if needed. */ - for (head = 0; head < dev->mode_config.num_crtc; head++) - drm_vblank_on(dev, head); - /* This should ensure we don't hit a locking problem when someone * wakes us up via a connector. We should never go into suspend * while the display is on anyways. @@ -648,6 +644,10 @@ nouveau_display_resume(struct drm_device *dev, bool runtime) drm_helper_resume_force_mode(dev); + /* Make sure that drm and hw vblank irqs get resumed if needed. */ + for (head = 0; head < dev->mode_config.num_crtc; head++) + drm_vblank_on(dev, head); + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c index 8a70cec59bcd..2dfe58af12e4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_platform.c +++ b/drivers/gpu/drm/nouveau/nouveau_platform.c @@ -24,7 +24,7 @@ static int nouveau_platform_probe(struct platform_device *pdev) { const struct nvkm_device_tegra_func *func; - struct nvkm_device *device; + struct nvkm_device *device = NULL; struct drm_device *drm; int ret; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 7f8a42721eb2..e7e581d6a8ff 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -252,32 +252,40 @@ nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func, if (!(tdev = kzalloc(sizeof(*tdev), GFP_KERNEL))) return -ENOMEM; - *pdevice = &tdev->device; + tdev->func = func; tdev->pdev = pdev; tdev->irq = -1; tdev->vdd = devm_regulator_get(&pdev->dev, "vdd"); - if (IS_ERR(tdev->vdd)) - return PTR_ERR(tdev->vdd); + if (IS_ERR(tdev->vdd)) { + ret = PTR_ERR(tdev->vdd); + goto free; + } tdev->rst = devm_reset_control_get(&pdev->dev, "gpu"); - if (IS_ERR(tdev->rst)) - return PTR_ERR(tdev->rst); + if (IS_ERR(tdev->rst)) { + ret = PTR_ERR(tdev->rst); + goto free; + } tdev->clk = devm_clk_get(&pdev->dev, "gpu"); - if (IS_ERR(tdev->clk)) - return PTR_ERR(tdev->clk); + if (IS_ERR(tdev->clk)) { + ret = PTR_ERR(tdev->clk); + goto free; + } tdev->clk_pwr = devm_clk_get(&pdev->dev, "pwr"); - if (IS_ERR(tdev->clk_pwr)) - return PTR_ERR(tdev->clk_pwr); + if (IS_ERR(tdev->clk_pwr)) { + ret = PTR_ERR(tdev->clk_pwr); + goto free; + } nvkm_device_tegra_probe_iommu(tdev); ret = nvkm_device_tegra_power_up(tdev); if (ret) - return ret; + goto remove; tdev->gpu_speedo = tegra_sku_info.gpu_speedo_value; ret = nvkm_device_ctor(&nvkm_device_tegra_func, NULL, &pdev->dev, @@ -285,9 +293,19 @@ nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func, cfg, dbg, detect, mmio, subdev_mask, &tdev->device); if (ret) - return ret; + goto powerdown; + + *pdevice = &tdev->device; return 0; + +powerdown: + nvkm_device_tegra_power_down(tdev); +remove: + nvkm_device_tegra_remove_iommu(tdev); +free: + kfree(tdev); + return ret; } #else int diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c index 74e2f7c6c07e..9688970eca47 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c @@ -328,6 +328,7 @@ nvkm_dp_train(struct work_struct *w) .outp = outp, }, *dp = &_dp; u32 datarate = 0; + u8 pwr; int ret; if (!outp->base.info.location && disp->func->sor.magic) @@ -355,6 +356,15 @@ nvkm_dp_train(struct work_struct *w) /* disable link interrupt handling during link training */ nvkm_notify_put(&outp->irq); + /* ensure sink is not in a low-power state */ + if (!nvkm_rdaux(outp->aux, DPCD_SC00, &pwr, 1)) { + if ((pwr & DPCD_SC00_SET_POWER) != DPCD_SC00_SET_POWER_D0) { + pwr &= ~DPCD_SC00_SET_POWER; + pwr |= DPCD_SC00_SET_POWER_D0; + nvkm_wraux(outp->aux, DPCD_SC00, &pwr, 1); + } + } + /* enable down-spreading and execute pre-train script from vbios */ dp_link_train_init(dp, outp->dpcd[3] & 0x01); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.h index 9596290329c7..6e10c5e0ef11 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.h @@ -71,5 +71,11 @@ #define DPCD_LS0C_LANE1_POST_CURSOR2 0x0c #define DPCD_LS0C_LANE0_POST_CURSOR2 0x03 +/* DPCD Sink Control */ +#define DPCD_SC00 0x00600 +#define DPCD_SC00_SET_POWER 0x03 +#define DPCD_SC00_SET_POWER_D0 0x01 +#define DPCD_SC00_SET_POWER_D3 0x03 + void nvkm_dp_train(struct work_struct *); #endif diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index 2ae8577497ca..7c2e78201ead 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -168,7 +168,8 @@ static int qxl_process_single_command(struct qxl_device *qdev, cmd->command_size)) return -EFAULT; - reloc_info = kmalloc(sizeof(struct qxl_reloc_info) * cmd->relocs_num, GFP_KERNEL); + reloc_info = kmalloc_array(cmd->relocs_num, + sizeof(struct qxl_reloc_info), GFP_KERNEL); if (!reloc_info) return -ENOMEM; diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c index 3d031b50a8fd..9f029dda1f07 100644 --- a/drivers/gpu/drm/qxl/qxl_prime.c +++ b/drivers/gpu/drm/qxl/qxl_prime.c @@ -68,5 +68,5 @@ int qxl_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area) { WARN_ONCE(1, "not implemented"); - return ENOSYS; + return -ENOSYS; } diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 298ea1c453c3..2b9ba03a7c1a 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -403,7 +403,8 @@ static void radeon_flip_work_func(struct work_struct *__work) struct drm_crtc *crtc = &radeon_crtc->base; unsigned long flags; int r; - int vpos, hpos, stat, min_udelay; + int vpos, hpos, stat, min_udelay = 0; + unsigned repcnt = 4; struct drm_vblank_crtc *vblank = &crtc->dev->vblank[work->crtc_id]; down_read(&rdev->exclusive_lock); @@ -454,7 +455,7 @@ static void radeon_flip_work_func(struct work_struct *__work) * In practice this won't execute very often unless on very fast * machines because the time window for this to happen is very small. */ - for (;;) { + while (radeon_crtc->enabled && repcnt--) { /* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank * start in hpos, and to the "fudged earlier" vblank start in * vpos. @@ -472,10 +473,22 @@ static void radeon_flip_work_func(struct work_struct *__work) /* Sleep at least until estimated real start of hw vblank */ spin_unlock_irqrestore(&crtc->dev->event_lock, flags); min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5); + if (min_udelay > vblank->framedur_ns / 2000) { + /* Don't wait ridiculously long - something is wrong */ + repcnt = 0; + break; + } usleep_range(min_udelay, 2 * min_udelay); spin_lock_irqsave(&crtc->dev->event_lock, flags); }; + if (!repcnt) + DRM_DEBUG_DRIVER("Delay problem on crtc %d: min_udelay %d, " + "framedur %d, linedur %d, stat %d, vpos %d, " + "hpos %d\n", work->crtc_id, min_udelay, + vblank->framedur_ns / 1000, + vblank->linedur_ns / 1000, stat, vpos, hpos); + /* do the flip (mmio) */ radeon_page_flip(rdev, radeon_crtc->crtc_id, work->base); diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 84d45633d28c..fb6ad143873f 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -33,6 +33,7 @@ #include <linux/slab.h> #include <drm/drmP.h> #include <drm/radeon_drm.h> +#include <drm/drm_cache.h> #include "radeon.h" #include "radeon_trace.h" @@ -245,6 +246,12 @@ int radeon_bo_create(struct radeon_device *rdev, DRM_INFO_ONCE("Please enable CONFIG_MTRR and CONFIG_X86_PAT for " "better performance thanks to write-combining\n"); bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); +#else + /* For architectures that don't support WC memory, + * mask out the WC flag from the BO + */ + if (!drm_arch_can_wc_memory()) + bo->flags &= ~RADEON_GEM_GTT_WC; #endif radeon_ttm_placement_from_domain(bo, domain); diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 460c8f2989da..0f14d897baf9 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -276,8 +276,12 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev) if (rdev->irq.installed) { for (i = 0; i < rdev->num_crtc; i++) { if (rdev->pm.active_crtcs & (1 << i)) { - rdev->pm.req_vblank |= (1 << i); - drm_vblank_get(rdev->ddev, i); + /* This can fail if a modeset is in progress */ + if (drm_vblank_get(rdev->ddev, i) == 0) + rdev->pm.req_vblank |= (1 << i); + else + DRM_DEBUG_DRIVER("crtc %d no vblank, can glitch\n", + i); } } } @@ -1075,12 +1079,6 @@ force: /* update display watermarks based on new power state */ radeon_bandwidth_update(rdev); - /* update displays */ - radeon_dpm_display_configuration_changed(rdev); - - rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; - rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; - rdev->pm.dpm.single_display = single_display; /* wait for the rings to drain */ for (i = 0; i < RADEON_NUM_RINGS; i++) { @@ -1097,6 +1095,13 @@ force: radeon_dpm_post_set_power_state(rdev); + /* update displays */ + radeon_dpm_display_configuration_changed(rdev); + + rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; + rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; + rdev->pm.dpm.single_display = single_display; + if (rdev->asic->dpm.force_performance_level) { if (rdev->pm.dpm.thermal_active) { enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level; diff --git a/drivers/gpu/drm/radeon/radeon_sa.c b/drivers/gpu/drm/radeon/radeon_sa.c index c507896aca45..197b157b73d0 100644 --- a/drivers/gpu/drm/radeon/radeon_sa.c +++ b/drivers/gpu/drm/radeon/radeon_sa.c @@ -349,8 +349,13 @@ int radeon_sa_bo_new(struct radeon_device *rdev, /* see if we can skip over some allocations */ } while (radeon_sa_bo_next_hole(sa_manager, fences, tries)); + for (i = 0; i < RADEON_NUM_RINGS; ++i) + radeon_fence_ref(fences[i]); + spin_unlock(&sa_manager->wq.lock); r = radeon_fence_wait_any(rdev, fences, false); + for (i = 0; i < RADEON_NUM_RINGS; ++i) + radeon_fence_unref(&fences[i]); spin_lock(&sa_manager->wq.lock); /* if we have nothing to wait for block */ if (r == -ENOENT) { diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index e34307459e50..e06ac546a90f 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -758,7 +758,7 @@ static int radeon_ttm_tt_populate(struct ttm_tt *ttm) 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); if (pci_dma_mapping_error(rdev->pdev, gtt->ttm.dma_address[i])) { - while (--i) { + while (i--) { pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i], PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); gtt->ttm.dma_address[i] = 0; diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 18dfe3ec9a62..22278bcfc60e 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -215,7 +215,7 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size, struct drm_gem_cma_object *cma_obj; if (size == 0) - return NULL; + return ERR_PTR(-EINVAL); /* First, try to get a vc4_bo from the kernel BO cache. */ if (from_cache) { @@ -237,7 +237,7 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size, if (IS_ERR(cma_obj)) { DRM_ERROR("Failed to allocate from CMA:\n"); vc4_bo_stats_dump(vc4); - return NULL; + return ERR_PTR(-ENOMEM); } } @@ -259,8 +259,8 @@ int vc4_dumb_create(struct drm_file *file_priv, args->size = args->pitch * args->height; bo = vc4_bo_create(dev, args->size, false); - if (!bo) - return -ENOMEM; + if (IS_ERR(bo)) + return PTR_ERR(bo); ret = drm_gem_handle_create(file_priv, &bo->base.base, &args->handle); drm_gem_object_unreference_unlocked(&bo->base.base); @@ -443,8 +443,8 @@ int vc4_create_bo_ioctl(struct drm_device *dev, void *data, * get zeroed, and that might leak data between users. */ bo = vc4_bo_create(dev, args->size, false); - if (!bo) - return -ENOMEM; + if (IS_ERR(bo)) + return PTR_ERR(bo); ret = drm_gem_handle_create(file_priv, &bo->base.base, &args->handle); drm_gem_object_unreference_unlocked(&bo->base.base); @@ -496,8 +496,8 @@ vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data, } bo = vc4_bo_create(dev, args->size, true); - if (!bo) - return -ENOMEM; + if (IS_ERR(bo)) + return PTR_ERR(bo); ret = copy_from_user(bo->base.vaddr, (void __user *)(uintptr_t)args->data, diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 080865ec2bae..51a63330d4f8 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -91,8 +91,12 @@ struct vc4_dev { struct vc4_bo *overflow_mem; struct work_struct overflow_mem_work; + int power_refcount; + + /* Mutex controlling the power refcount. */ + struct mutex power_lock; + struct { - uint32_t last_ct0ca, last_ct1ca; struct timer_list timer; struct work_struct reset_work; } hangcheck; @@ -142,6 +146,7 @@ struct vc4_seqno_cb { }; struct vc4_v3d { + struct vc4_dev *vc4; struct platform_device *pdev; void __iomem *regs; }; @@ -192,6 +197,11 @@ struct vc4_exec_info { /* Sequence number for this bin/render job. */ uint64_t seqno; + /* Last current addresses the hardware was processing when the + * hangcheck timer checked on us. + */ + uint32_t last_ct0ca, last_ct1ca; + /* Kernel-space copy of the ioctl arguments */ struct drm_vc4_submit_cl *args; @@ -434,7 +444,6 @@ void vc4_plane_async_set_fb(struct drm_plane *plane, extern struct platform_driver vc4_v3d_driver; int vc4_v3d_debugfs_ident(struct seq_file *m, void *unused); int vc4_v3d_debugfs_regs(struct seq_file *m, void *unused); -int vc4_v3d_set_power(struct vc4_dev *vc4, bool on); /* vc4_validate.c */ int diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 48ce30a6f4b5..202aa1544acc 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -23,6 +23,7 @@ #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/device.h> #include <linux/io.h> @@ -228,8 +229,16 @@ vc4_reset(struct drm_device *dev) struct vc4_dev *vc4 = to_vc4_dev(dev); DRM_INFO("Resetting GPU.\n"); - vc4_v3d_set_power(vc4, false); - vc4_v3d_set_power(vc4, true); + + mutex_lock(&vc4->power_lock); + if (vc4->power_refcount) { + /* Power the device off and back on the by dropping the + * reference on runtime PM. + */ + pm_runtime_put_sync_suspend(&vc4->v3d->pdev->dev); + pm_runtime_get_sync(&vc4->v3d->pdev->dev); + } + mutex_unlock(&vc4->power_lock); vc4_irq_reset(dev); @@ -257,10 +266,17 @@ vc4_hangcheck_elapsed(unsigned long data) struct drm_device *dev = (struct drm_device *)data; struct vc4_dev *vc4 = to_vc4_dev(dev); uint32_t ct0ca, ct1ca; + unsigned long irqflags; + struct vc4_exec_info *exec; + + spin_lock_irqsave(&vc4->job_lock, irqflags); + exec = vc4_first_job(vc4); /* If idle, we can stop watching for hangs. */ - if (list_empty(&vc4->job_list)) + if (!exec) { + spin_unlock_irqrestore(&vc4->job_lock, irqflags); return; + } ct0ca = V3D_READ(V3D_CTNCA(0)); ct1ca = V3D_READ(V3D_CTNCA(1)); @@ -268,14 +284,16 @@ vc4_hangcheck_elapsed(unsigned long data) /* If we've made any progress in execution, rearm the timer * and wait. */ - if (ct0ca != vc4->hangcheck.last_ct0ca || - ct1ca != vc4->hangcheck.last_ct1ca) { - vc4->hangcheck.last_ct0ca = ct0ca; - vc4->hangcheck.last_ct1ca = ct1ca; + if (ct0ca != exec->last_ct0ca || ct1ca != exec->last_ct1ca) { + exec->last_ct0ca = ct0ca; + exec->last_ct1ca = ct1ca; + spin_unlock_irqrestore(&vc4->job_lock, irqflags); vc4_queue_hangcheck(dev); return; } + spin_unlock_irqrestore(&vc4->job_lock, irqflags); + /* We've gone too long with no progress, reset. This has to * be done from a work struct, since resetting can sleep and * this timer hook isn't allowed to. @@ -340,12 +358,7 @@ vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno, uint64_t timeout_ns, finish_wait(&vc4->job_wait_queue, &wait); trace_vc4_wait_for_seqno_end(dev, seqno); - if (ret && ret != -ERESTARTSYS) { - DRM_ERROR("timeout waiting for render thread idle\n"); - return ret; - } - - return 0; + return ret; } static void @@ -578,9 +591,9 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec) } bo = vc4_bo_create(dev, exec_size, true); - if (!bo) { + if (IS_ERR(bo)) { DRM_ERROR("Couldn't allocate BO for binning\n"); - ret = -ENOMEM; + ret = PTR_ERR(bo); goto fail; } exec->exec_bo = &bo->base; @@ -617,6 +630,7 @@ fail: static void vc4_complete_exec(struct drm_device *dev, struct vc4_exec_info *exec) { + struct vc4_dev *vc4 = to_vc4_dev(dev); unsigned i; /* Need the struct lock for drm_gem_object_unreference(). */ @@ -635,6 +649,11 @@ vc4_complete_exec(struct drm_device *dev, struct vc4_exec_info *exec) } mutex_unlock(&dev->struct_mutex); + mutex_lock(&vc4->power_lock); + if (--vc4->power_refcount == 0) + pm_runtime_put(&vc4->v3d->pdev->dev); + mutex_unlock(&vc4->power_lock); + kfree(exec); } @@ -746,6 +765,9 @@ vc4_wait_bo_ioctl(struct drm_device *dev, void *data, struct drm_gem_object *gem_obj; struct vc4_bo *bo; + if (args->pad != 0) + return -EINVAL; + gem_obj = drm_gem_object_lookup(dev, file_priv, args->handle); if (!gem_obj) { DRM_ERROR("Failed to look up GEM BO %d\n", args->handle); @@ -772,7 +794,7 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data, struct vc4_dev *vc4 = to_vc4_dev(dev); struct drm_vc4_submit_cl *args = data; struct vc4_exec_info *exec; - int ret; + int ret = 0; if ((args->flags & ~VC4_SUBMIT_CL_USE_CLEAR_COLOR) != 0) { DRM_ERROR("Unknown flags: 0x%02x\n", args->flags); @@ -785,6 +807,15 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data, return -ENOMEM; } + mutex_lock(&vc4->power_lock); + if (vc4->power_refcount++ == 0) + ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev); + mutex_unlock(&vc4->power_lock); + if (ret < 0) { + kfree(exec); + return ret; + } + exec->args = args; INIT_LIST_HEAD(&exec->unref_list); @@ -839,6 +870,8 @@ vc4_gem_init(struct drm_device *dev) (unsigned long)dev); INIT_WORK(&vc4->job_done_work, vc4_job_done_work); + + mutex_init(&vc4->power_lock); } void diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c index b68060e758db..78a21357fb2d 100644 --- a/drivers/gpu/drm/vc4/vc4_irq.c +++ b/drivers/gpu/drm/vc4/vc4_irq.c @@ -57,7 +57,7 @@ vc4_overflow_mem_work(struct work_struct *work) struct vc4_bo *bo; bo = vc4_bo_create(dev, 256 * 1024, true); - if (!bo) { + if (IS_ERR(bo)) { DRM_ERROR("Couldn't allocate binner overflow mem\n"); return; } diff --git a/drivers/gpu/drm/vc4/vc4_render_cl.c b/drivers/gpu/drm/vc4/vc4_render_cl.c index 8a2a312e2c1b..0f12418725e5 100644 --- a/drivers/gpu/drm/vc4/vc4_render_cl.c +++ b/drivers/gpu/drm/vc4/vc4_render_cl.c @@ -316,20 +316,11 @@ static int vc4_create_rcl_bo(struct drm_device *dev, struct vc4_exec_info *exec, size += xtiles * ytiles * loop_body_size; setup->rcl = &vc4_bo_create(dev, size, true)->base; - if (!setup->rcl) - return -ENOMEM; + if (IS_ERR(setup->rcl)) + return PTR_ERR(setup->rcl); list_add_tail(&to_vc4_bo(&setup->rcl->base)->unref_head, &exec->unref_list); - rcl_u8(setup, VC4_PACKET_TILE_RENDERING_MODE_CONFIG); - rcl_u32(setup, - (setup->color_write ? (setup->color_write->paddr + - args->color_write.offset) : - 0)); - rcl_u16(setup, args->width); - rcl_u16(setup, args->height); - rcl_u16(setup, args->color_write.bits); - /* The tile buffer gets cleared when the previous tile is stored. If * the clear values changed between frames, then the tile buffer has * stale clear values in it, so we have to do a store in None mode (no @@ -349,6 +340,15 @@ static int vc4_create_rcl_bo(struct drm_device *dev, struct vc4_exec_info *exec, rcl_u32(setup, 0); /* no address, since we're in None mode */ } + rcl_u8(setup, VC4_PACKET_TILE_RENDERING_MODE_CONFIG); + rcl_u32(setup, + (setup->color_write ? (setup->color_write->paddr + + args->color_write.offset) : + 0)); + rcl_u16(setup, args->width); + rcl_u16(setup, args->height); + rcl_u16(setup, args->color_write.bits); + for (y = min_y_tile; y <= max_y_tile; y++) { for (x = min_x_tile; x <= max_x_tile; x++) { bool first = (x == min_x_tile && y == min_y_tile); diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index 314ff71db978..31de5d17bc85 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c @@ -17,6 +17,7 @@ */ #include "linux/component.h" +#include "linux/pm_runtime.h" #include "vc4_drv.h" #include "vc4_regs.h" @@ -144,18 +145,6 @@ int vc4_v3d_debugfs_ident(struct seq_file *m, void *unused) } #endif /* CONFIG_DEBUG_FS */ -int -vc4_v3d_set_power(struct vc4_dev *vc4, bool on) -{ - /* XXX: This interface is needed for GPU reset, and the way to - * do it is to turn our power domain off and back on. We - * can't just reset from within the driver, because the reset - * bits are in the power domain's register area, and get set - * during the poweron process. - */ - return 0; -} - static void vc4_v3d_init_hw(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); @@ -167,6 +156,29 @@ static void vc4_v3d_init_hw(struct drm_device *dev) V3D_WRITE(V3D_VPMBASE, 0); } +#ifdef CONFIG_PM +static int vc4_v3d_runtime_suspend(struct device *dev) +{ + struct vc4_v3d *v3d = dev_get_drvdata(dev); + struct vc4_dev *vc4 = v3d->vc4; + + vc4_irq_uninstall(vc4->dev); + + return 0; +} + +static int vc4_v3d_runtime_resume(struct device *dev) +{ + struct vc4_v3d *v3d = dev_get_drvdata(dev); + struct vc4_dev *vc4 = v3d->vc4; + + vc4_v3d_init_hw(vc4->dev); + vc4_irq_postinstall(vc4->dev); + + return 0; +} +#endif + static int vc4_v3d_bind(struct device *dev, struct device *master, void *data) { struct platform_device *pdev = to_platform_device(dev); @@ -179,6 +191,8 @@ static int vc4_v3d_bind(struct device *dev, struct device *master, void *data) if (!v3d) return -ENOMEM; + dev_set_drvdata(dev, v3d); + v3d->pdev = pdev; v3d->regs = vc4_ioremap_regs(pdev, 0); @@ -186,6 +200,7 @@ static int vc4_v3d_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(v3d->regs); vc4->v3d = v3d; + v3d->vc4 = vc4; if (V3D_READ(V3D_IDENT0) != V3D_EXPECTED_IDENT0) { DRM_ERROR("V3D_IDENT0 read 0x%08x instead of 0x%08x\n", @@ -207,6 +222,8 @@ static int vc4_v3d_bind(struct device *dev, struct device *master, void *data) return ret; } + pm_runtime_enable(dev); + return 0; } @@ -216,6 +233,8 @@ static void vc4_v3d_unbind(struct device *dev, struct device *master, struct drm_device *drm = dev_get_drvdata(master); struct vc4_dev *vc4 = to_vc4_dev(drm); + pm_runtime_disable(dev); + drm_irq_uninstall(drm); /* Disable the binner's overflow memory address, so the next @@ -228,6 +247,10 @@ static void vc4_v3d_unbind(struct device *dev, struct device *master, vc4->v3d = NULL; } +static const struct dev_pm_ops vc4_v3d_pm_ops = { + SET_RUNTIME_PM_OPS(vc4_v3d_runtime_suspend, vc4_v3d_runtime_resume, NULL) +}; + static const struct component_ops vc4_v3d_ops = { .bind = vc4_v3d_bind, .unbind = vc4_v3d_unbind, @@ -255,5 +278,6 @@ struct platform_driver vc4_v3d_driver = { .driver = { .name = "vc4_v3d", .of_match_table = vc4_v3d_dt_match, + .pm = &vc4_v3d_pm_ops, }, }; diff --git a/drivers/gpu/drm/vc4/vc4_validate.c b/drivers/gpu/drm/vc4/vc4_validate.c index e26d9f6face3..24c2c746e8f3 100644 --- a/drivers/gpu/drm/vc4/vc4_validate.c +++ b/drivers/gpu/drm/vc4/vc4_validate.c @@ -401,8 +401,8 @@ validate_tile_binning_config(VALIDATE_ARGS) tile_bo = vc4_bo_create(dev, exec->tile_alloc_offset + tile_alloc_size, true); exec->tile_bo = &tile_bo->base; - if (!exec->tile_bo) - return -ENOMEM; + if (IS_ERR(exec->tile_bo)) + return PTR_ERR(exec->tile_bo); list_add_tail(&tile_bo->unref_head, &exec->unref_list); /* tile alloc address. */ diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c index da462afcb225..dd2dbb9746ce 100644 --- a/drivers/gpu/host1x/bus.c +++ b/drivers/gpu/host1x/bus.c @@ -18,6 +18,7 @@ #include <linux/host1x.h> #include <linux/of.h> #include <linux/slab.h> +#include <linux/of_device.h> #include "bus.h" #include "dev.h" @@ -394,6 +395,7 @@ static int host1x_device_add(struct host1x *host1x, device->dev.coherent_dma_mask = host1x->dev->coherent_dma_mask; device->dev.dma_mask = &device->dev.coherent_dma_mask; dev_set_name(&device->dev, "%s", driver->driver.name); + of_dma_configure(&device->dev, host1x->dev->of_node); device->dev.release = host1x_device_release; device->dev.bus = &host1x_bus_type; device->dev.parent = host1x->dev; diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 314bf3718cc7..ff348690df94 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -23,6 +23,7 @@ #include <linux/of_device.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/dma-mapping.h> #define CREATE_TRACE_POINTS #include <trace/events/host1x.h> @@ -68,6 +69,7 @@ static const struct host1x_info host1x01_info = { .nb_bases = 8, .init = host1x01_init, .sync_offset = 0x3000, + .dma_mask = DMA_BIT_MASK(32), }; static const struct host1x_info host1x02_info = { @@ -77,6 +79,7 @@ static const struct host1x_info host1x02_info = { .nb_bases = 12, .init = host1x02_init, .sync_offset = 0x3000, + .dma_mask = DMA_BIT_MASK(32), }; static const struct host1x_info host1x04_info = { @@ -86,6 +89,7 @@ static const struct host1x_info host1x04_info = { .nb_bases = 64, .init = host1x04_init, .sync_offset = 0x2100, + .dma_mask = DMA_BIT_MASK(34), }; static const struct host1x_info host1x05_info = { @@ -95,6 +99,7 @@ static const struct host1x_info host1x05_info = { .nb_bases = 64, .init = host1x05_init, .sync_offset = 0x2100, + .dma_mask = DMA_BIT_MASK(34), }; static struct of_device_id host1x_of_match[] = { @@ -148,6 +153,8 @@ static int host1x_probe(struct platform_device *pdev) if (IS_ERR(host->regs)) return PTR_ERR(host->regs); + dma_set_mask_and_coherent(host->dev, host->info->dma_mask); + if (host->info->init) { err = host->info->init(host); if (err) diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h index 0b6e8e9629c5..dace124994bb 100644 --- a/drivers/gpu/host1x/dev.h +++ b/drivers/gpu/host1x/dev.h @@ -96,6 +96,7 @@ struct host1x_info { int nb_mlocks; /* host1x: number of mlocks */ int (*init)(struct host1x *); /* initialize per SoC ops */ int sync_offset; + u64 dma_mask; /* mask of addressable memory */ }; struct host1x { diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c index f155b8380481..2b3105c8aed3 100644 --- a/drivers/hwmon/ads1015.c +++ b/drivers/hwmon/ads1015.c @@ -126,7 +126,7 @@ static int ads1015_reg_to_mv(struct i2c_client *client, unsigned int channel, struct ads1015_data *data = i2c_get_clientdata(client); unsigned int pga = data->channel_data[channel].pga; int fullscale = fullscale_table[pga]; - const unsigned mask = data->id == ads1115 ? 0x7fff : 0x7ff0; + const int mask = data->id == ads1115 ? 0x7fff : 0x7ff0; return DIV_ROUND_CLOSEST(reg * fullscale, mask); } diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index 82de3deeb18a..685568b1236d 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -406,16 +406,11 @@ static int gpio_fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long *state) { struct gpio_fan_data *fan_data = cdev->devdata; - int r; if (!fan_data) return -EINVAL; - r = get_fan_speed_index(fan_data); - if (r < 0) - return r; - - *state = r; + *state = fan_data->speed_index; return 0; } diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index 52f708bcf77f..d50c701b19d6 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -313,6 +313,10 @@ int of_hwspin_lock_get_id(struct device_node *np, int index) hwlock = radix_tree_deref_slot(slot); if (unlikely(!hwlock)) continue; + if (radix_tree_is_indirect_ptr(hwlock)) { + slot = radix_tree_iter_retry(&iter); + continue; + } if (hwlock->bank->dev->of_node == args.np) { ret = 0; diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index f62d69799a9c..27fa0cb09538 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1271,6 +1271,8 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) switch (dev->device) { case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS: case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS: + case PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS: + case PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS: case PCI_DEVICE_ID_INTEL_DNV_SMBUS: priv->features |= FEATURE_I2C_BLOCK_READ; priv->features |= FEATURE_IRQ; diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 08d26ba61ed3..13c45296ce5b 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1450,7 +1450,8 @@ omap_i2c_probe(struct platform_device *pdev) err_unuse_clocks: omap_i2c_write_reg(omap, OMAP_I2C_CON_REG, 0); - pm_runtime_put(omap->dev); + pm_runtime_dont_use_autosuspend(omap->dev); + pm_runtime_put_sync(omap->dev); pm_runtime_disable(&pdev->dev); err_free_mem: @@ -1468,6 +1469,7 @@ static int omap_i2c_remove(struct platform_device *pdev) return ret; omap_i2c_write_reg(omap, OMAP_I2C_CON_REG, 0); + pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; diff --git a/drivers/i2c/busses/i2c-uniphier-f.c b/drivers/i2c/busses/i2c-uniphier-f.c index f3e5ff8522f0..213ba55e17c3 100644 --- a/drivers/i2c/busses/i2c-uniphier-f.c +++ b/drivers/i2c/busses/i2c-uniphier-f.c @@ -467,7 +467,7 @@ static int uniphier_fi2c_clk_init(struct device *dev, bus_speed = UNIPHIER_FI2C_DEFAULT_SPEED; if (!bus_speed) { - dev_err(dev, "clock-freqyency should not be zero\n"); + dev_err(dev, "clock-frequency should not be zero\n"); return -EINVAL; } diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c index 1f4f3f53819c..89eaa8a7e1e0 100644 --- a/drivers/i2c/busses/i2c-uniphier.c +++ b/drivers/i2c/busses/i2c-uniphier.c @@ -328,7 +328,7 @@ static int uniphier_i2c_clk_init(struct device *dev, bus_speed = UNIPHIER_I2C_DEFAULT_SPEED; if (!bus_speed) { - dev_err(dev, "clock-freqyency should not be zero\n"); + dev_err(dev, "clock-frequency should not be zero\n"); return -EINVAL; } diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index edc29b173f6c..833ea9dd4464 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -213,6 +213,7 @@ config STK8312 config STK8BA50 tristate "Sensortek STK8BA50 3-Axis Accelerometer Driver" depends on I2C + depends on IIO_TRIGGER help Say yes here to get support for the Sensortek STK8BA50 3-axis accelerometer. diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 605ff42c4631..283ded7747a9 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -175,6 +175,7 @@ config DA9150_GPADC config EXYNOS_ADC tristate "Exynos ADC driver support" depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || (OF && COMPILE_TEST) + depends on HAS_IOMEM help Core support for the ADC block found in the Samsung EXYNOS series of SoCs for drivers such as the touchscreen and hwmon to use to share @@ -207,6 +208,7 @@ config INA2XX_ADC config IMX7D_ADC tristate "IMX7D ADC driver" depends on ARCH_MXC || COMPILE_TEST + depends on HAS_IOMEM help Say yes here to build support for IMX7D ADC. @@ -409,6 +411,7 @@ config TWL6030_GPADC config VF610_ADC tristate "Freescale vf610 ADC driver" depends on OF + depends on HAS_IOMEM select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 942320e32753..c1e05532d437 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -289,7 +289,7 @@ static int tiadc_iio_buffered_hardware_setup(struct iio_dev *indio_dev, goto error_kfifo_free; indio_dev->setup_ops = setup_ops; - indio_dev->modes |= INDIO_BUFFER_HARDWARE; + indio_dev->modes |= INDIO_BUFFER_SOFTWARE; return 0; diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index 43d14588448d..b4dde8315210 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -300,6 +300,7 @@ static int mcp4725_probe(struct i2c_client *client, data->client = client; indio_dev->dev.parent = &client->dev; + indio_dev->name = id->name; indio_dev->info = &mcp4725_info; indio_dev->channels = &mcp4725_channel; indio_dev->num_channels = 1; diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c index 1165b1c4f9d6..cfc5a051ab9f 100644 --- a/drivers/iio/humidity/dht11.c +++ b/drivers/iio/humidity/dht11.c @@ -117,7 +117,7 @@ static int dht11_decode(struct dht11 *dht11, int offset, int timeres) if (((hum_int + hum_dec + temp_int + temp_dec) & 0xff) != checksum) return -EIO; - dht11->timestamp = ktime_get_real_ns(); + dht11->timestamp = ktime_get_boot_ns(); if (hum_int < 20) { /* DHT22 */ dht11->temperature = (((temp_int & 0x7f) << 8) + temp_dec) * ((temp_int & 0x80) ? -100 : 100); @@ -145,7 +145,7 @@ static irqreturn_t dht11_handle_irq(int irq, void *data) /* TODO: Consider making the handler safe for IRQ sharing */ if (dht11->num_edges < DHT11_EDGES_PER_READ && dht11->num_edges >= 0) { - dht11->edges[dht11->num_edges].ts = ktime_get_real_ns(); + dht11->edges[dht11->num_edges].ts = ktime_get_boot_ns(); dht11->edges[dht11->num_edges++].value = gpio_get_value(dht11->gpio); @@ -164,7 +164,7 @@ static int dht11_read_raw(struct iio_dev *iio_dev, int ret, timeres; mutex_lock(&dht11->lock); - if (dht11->timestamp + DHT11_DATA_VALID_TIME < ktime_get_real_ns()) { + if (dht11->timestamp + DHT11_DATA_VALID_TIME < ktime_get_boot_ns()) { timeres = ktime_get_resolution_ns(); if (DHT11_DATA_BIT_HIGH < 2 * timeres) { dev_err(dht11->dev, "timeresolution %dns too low\n", @@ -279,7 +279,7 @@ static int dht11_probe(struct platform_device *pdev) return -EINVAL; } - dht11->timestamp = ktime_get_real_ns() - DHT11_DATA_VALID_TIME - 1; + dht11->timestamp = ktime_get_boot_ns() - DHT11_DATA_VALID_TIME - 1; dht11->num_edges = -1; platform_set_drvdata(pdev, iio); diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig index 48fbc0bc7e2a..8f8d1370ed8b 100644 --- a/drivers/iio/imu/inv_mpu6050/Kconfig +++ b/drivers/iio/imu/inv_mpu6050/Kconfig @@ -5,9 +5,9 @@ config INV_MPU6050_IIO tristate "Invensense MPU6050 devices" depends on I2C && SYSFS + depends on I2C_MUX select IIO_BUFFER select IIO_TRIGGERED_BUFFER - select I2C_MUX help This driver supports the Invensense MPU6050 devices. This driver can also support MPU6500 in MPU6050 compatibility mode diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 80fbbfd76faf..734a0042de0c 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -349,6 +349,8 @@ EXPORT_SYMBOL_GPL(iio_channel_get); void iio_channel_release(struct iio_channel *channel) { + if (!channel) + return; iio_device_put(channel->indio_dev); kfree(channel); } diff --git a/drivers/iio/light/acpi-als.c b/drivers/iio/light/acpi-als.c index 60537ec0c923..53201d99a16c 100644 --- a/drivers/iio/light/acpi-als.c +++ b/drivers/iio/light/acpi-als.c @@ -54,7 +54,9 @@ static const struct iio_chan_spec acpi_als_channels[] = { .realbits = 32, .storagebits = 32, }, - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + /* _RAW is here for backward ABI compatibility */ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_PROCESSED), }, }; @@ -152,7 +154,7 @@ static int acpi_als_read_raw(struct iio_dev *indio_dev, s32 temp_val; int ret; - if (mask != IIO_CHAN_INFO_RAW) + if ((mask != IIO_CHAN_INFO_PROCESSED) && (mask != IIO_CHAN_INFO_RAW)) return -EINVAL; /* we support only illumination (_ALI) so far. */ diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 809a961b9a7f..6bf89d8f3741 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -180,7 +180,7 @@ static const struct ltr501_samp_table ltr501_ps_samp_table[] = { {500000, 2000000} }; -static unsigned int ltr501_match_samp_freq(const struct ltr501_samp_table *tab, +static int ltr501_match_samp_freq(const struct ltr501_samp_table *tab, int len, int val, int val2) { int i, freq; diff --git a/drivers/iio/pressure/mpl115.c b/drivers/iio/pressure/mpl115.c index f5ecd6e19f5d..a0d7deeac62f 100644 --- a/drivers/iio/pressure/mpl115.c +++ b/drivers/iio/pressure/mpl115.c @@ -117,7 +117,7 @@ static int mpl115_read_raw(struct iio_dev *indio_dev, *val = ret >> 6; return IIO_VAL_INT; case IIO_CHAN_INFO_OFFSET: - *val = 605; + *val = -605; *val2 = 750000; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SCALE: diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c index 93e29fb67fa0..db35e04a0637 100644 --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c @@ -87,7 +87,7 @@ static int lidar_i2c_xfer(struct lidar_data *data, u8 reg, u8 *val, int len) ret = i2c_transfer(client->adapter, msg, 2); - return (ret == 2) ? 0 : ret; + return (ret == 2) ? 0 : -EIO; } static int lidar_smbus_xfer(struct lidar_data *data, u8 reg, u8 *val, int len) diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index bc5536f00b6c..fd97534762b8 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1681,9 +1681,12 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, } if (qp->ibqp.uobject) - context->usr_page = cpu_to_be32(to_mucontext(ibqp->uobject->context)->uar.index); + context->usr_page = cpu_to_be32( + mlx4_to_hw_uar_index(dev->dev, + to_mucontext(ibqp->uobject->context)->uar.index)); else - context->usr_page = cpu_to_be32(dev->priv_uar.index); + context->usr_page = cpu_to_be32( + mlx4_to_hw_uar_index(dev->dev, dev->priv_uar.index)); if (attr_mask & IB_QP_DEST_QPN) context->remote_qpn = cpu_to_be32(attr->dest_qp_num); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 6727954ab74b..e8a84d12b7ff 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -1207,7 +1207,6 @@ static void xpad_led_disconnect(struct usb_xpad *xpad) #else static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } static void xpad_led_disconnect(struct usb_xpad *xpad) { } -static void xpad_identify_controller(struct usb_xpad *xpad) { } #endif static int xpad_start_input(struct usb_xpad *xpad) diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index 4d446d5085aa..c01a1d648f9f 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -235,7 +235,7 @@ struct adp5589_kpad { unsigned short gpimapsize; unsigned extend_cfg; bool is_adp5585; - bool adp5585_support_row5; + bool support_row5; #ifdef CONFIG_GPIOLIB unsigned char gpiomap[ADP5589_MAXGPIO]; bool export_gpio; @@ -485,7 +485,7 @@ static int adp5589_build_gpiomap(struct adp5589_kpad *kpad, if (kpad->extend_cfg & C4_EXTEND_CFG) pin_used[kpad->var->c4_extend_cfg] = true; - if (!kpad->adp5585_support_row5) + if (!kpad->support_row5) pin_used[5] = true; for (i = 0; i < kpad->var->maxgpio; i++) @@ -884,12 +884,13 @@ static int adp5589_probe(struct i2c_client *client, switch (id->driver_data) { case ADP5585_02: - kpad->adp5585_support_row5 = true; + kpad->support_row5 = true; case ADP5585_01: kpad->is_adp5585 = true; kpad->var = &const_adp5585; break; case ADP5589: + kpad->support_row5 = true; kpad->var = &const_adp5589; break; } diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c index 378db10001df..4401be225d64 100644 --- a/drivers/input/keyboard/cap11xx.c +++ b/drivers/input/keyboard/cap11xx.c @@ -304,8 +304,10 @@ static int cap11xx_init_leds(struct device *dev, led->cdev.brightness = LED_OFF; error = of_property_read_u32(child, "reg", ®); - if (error != 0 || reg >= num_leds) + if (error != 0 || reg >= num_leds) { + of_node_put(child); return -EINVAL; + } led->reg = reg; led->priv = priv; @@ -313,8 +315,10 @@ static int cap11xx_init_leds(struct device *dev, INIT_WORK(&led->work, cap11xx_led_work); error = devm_led_classdev_register(dev, &led->cdev); - if (error) + if (error) { + of_node_put(child); return error; + } priv->num_leds++; led++; diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index d6d16fa78281..1f2337abcf2f 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -733,7 +733,7 @@ config INPUT_XEN_KBDDEV_FRONTEND module will be called xen-kbdfront. config INPUT_SIRFSOC_ONKEY - bool "CSR SiRFSoC power on/off/suspend key support" + tristate "CSR SiRFSoC power on/off/suspend key support" depends on ARCH_SIRF && OF default y help diff --git a/drivers/input/misc/sirfsoc-onkey.c b/drivers/input/misc/sirfsoc-onkey.c index 9d5b89befe6f..ed7237f19539 100644 --- a/drivers/input/misc/sirfsoc-onkey.c +++ b/drivers/input/misc/sirfsoc-onkey.c @@ -101,7 +101,7 @@ static void sirfsoc_pwrc_close(struct input_dev *input) static const struct of_device_id sirfsoc_pwrc_of_match[] = { { .compatible = "sirf,prima2-pwrc" }, {}, -} +}; MODULE_DEVICE_TABLE(of, sirfsoc_pwrc_of_match); static int sirfsoc_pwrc_probe(struct platform_device *pdev) diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c index e272f06258ce..a3f0f5a47490 100644 --- a/drivers/input/mouse/vmmouse.c +++ b/drivers/input/mouse/vmmouse.c @@ -458,8 +458,6 @@ int vmmouse_init(struct psmouse *psmouse) priv->abs_dev = abs_dev; psmouse->private = priv; - input_set_capability(rel_dev, EV_REL, REL_WHEEL); - /* Set up and register absolute device */ snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); @@ -475,10 +473,6 @@ int vmmouse_init(struct psmouse *psmouse) abs_dev->id.version = psmouse->model; abs_dev->dev.parent = &psmouse->ps2dev.serio->dev; - error = input_register_device(priv->abs_dev); - if (error) - goto init_fail; - /* Set absolute device capabilities */ input_set_capability(abs_dev, EV_KEY, BTN_LEFT); input_set_capability(abs_dev, EV_KEY, BTN_RIGHT); @@ -488,6 +482,13 @@ int vmmouse_init(struct psmouse *psmouse) input_set_abs_params(abs_dev, ABS_X, 0, VMMOUSE_MAX_X, 0, 0); input_set_abs_params(abs_dev, ABS_Y, 0, VMMOUSE_MAX_Y, 0, 0); + error = input_register_device(priv->abs_dev); + if (error) + goto init_fail; + + /* Add wheel capability to the relative device */ + input_set_capability(rel_dev, EV_REL, REL_WHEEL); + psmouse->protocol_handler = vmmouse_process_byte; psmouse->disconnect = vmmouse_disconnect; psmouse->reconnect = vmmouse_reconnect; diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 8f828975ab10..1ca7f551e2da 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -134,7 +134,7 @@ static void serio_find_driver(struct serio *serio) int error; error = device_attach(&serio->dev); - if (error < 0) + if (error < 0 && error != -EPROBE_DEFER) dev_warn(&serio->dev, "device_attach() failed for %s (%s), error: %d\n", serio->phys, serio->name, error); diff --git a/drivers/input/touchscreen/colibri-vf50-ts.c b/drivers/input/touchscreen/colibri-vf50-ts.c index 5d4903a402cc..69828d015d45 100644 --- a/drivers/input/touchscreen/colibri-vf50-ts.c +++ b/drivers/input/touchscreen/colibri-vf50-ts.c @@ -21,6 +21,7 @@ #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/slab.h> diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 0b0f8c17f3f7..23fbe382da8b 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -822,16 +822,22 @@ static void edt_ft5x06_ts_get_defaults(struct device *dev, int error; error = device_property_read_u32(dev, "threshold", &val); - if (!error) - reg_addr->reg_threshold = val; + if (!error) { + edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold, val); + tsdata->threshold = val; + } error = device_property_read_u32(dev, "gain", &val); - if (!error) - reg_addr->reg_gain = val; + if (!error) { + edt_ft5x06_register_write(tsdata, reg_addr->reg_gain, val); + tsdata->gain = val; + } error = device_property_read_u32(dev, "offset", &val); - if (!error) - reg_addr->reg_offset = val; + if (!error) { + edt_ft5x06_register_write(tsdata, reg_addr->reg_offset, val); + tsdata->offset = val; + } } static void diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index e5e223938eec..374c129219ef 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -114,6 +114,7 @@ struct kmem_cache *amd_iommu_irq_cache; static void update_domain(struct protection_domain *domain); static int protection_domain_init(struct protection_domain *domain); +static void detach_device(struct device *dev); /* * For dynamic growth the aperture size is split into ranges of 128MB of @@ -384,6 +385,9 @@ static void iommu_uninit_device(struct device *dev) if (!dev_data) return; + if (dev_data->domain) + detach_device(dev); + iommu_device_unlink(amd_iommu_rlookup_table[dev_data->devid]->iommu_dev, dev); diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 013bdfff2d4d..bf4959f4225b 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -228,6 +228,10 @@ static int amd_iommu_enable_interrupts(void); static int __init iommu_go_to_state(enum iommu_init_state state); static void init_device_table_dma(void); +static int iommu_pc_get_set_reg_val(struct amd_iommu *iommu, + u8 bank, u8 cntr, u8 fxn, + u64 *value, bool is_write); + static inline void update_last_devid(u16 devid) { if (devid > amd_iommu_last_bdf) @@ -1016,6 +1020,34 @@ static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) } /* + * Family15h Model 30h-3fh (IOMMU Mishandles ATS Write Permission) + * Workaround: + * BIOS should enable ATS write permission check by setting + * L2_DEBUG_3[AtsIgnoreIWDis](D0F2xF4_x47[0]) = 1b + */ +static void amd_iommu_ats_write_check_workaround(struct amd_iommu *iommu) +{ + u32 value; + + if ((boot_cpu_data.x86 != 0x15) || + (boot_cpu_data.x86_model < 0x30) || + (boot_cpu_data.x86_model > 0x3f)) + return; + + /* Test L2_DEBUG_3[AtsIgnoreIWDis] == 1 */ + value = iommu_read_l2(iommu, 0x47); + + if (value & BIT(0)) + return; + + /* Set L2_DEBUG_3[AtsIgnoreIWDis] = 1 */ + iommu_write_l2(iommu, 0x47, value | BIT(0)); + + pr_info("AMD-Vi: Applying ATS write check workaround for IOMMU at %s\n", + dev_name(&iommu->dev->dev)); +} + +/* * This function clues the initialization function for one IOMMU * together and also allocates the command buffer and programs the * hardware. It does NOT enable the IOMMU. This is done afterwards. @@ -1142,8 +1174,8 @@ static void init_iommu_perf_ctr(struct amd_iommu *iommu) amd_iommu_pc_present = true; /* Check if the performance counters can be written to */ - if ((0 != amd_iommu_pc_get_set_reg_val(0, 0, 0, 0, &val, true)) || - (0 != amd_iommu_pc_get_set_reg_val(0, 0, 0, 0, &val2, false)) || + if ((0 != iommu_pc_get_set_reg_val(iommu, 0, 0, 0, &val, true)) || + (0 != iommu_pc_get_set_reg_val(iommu, 0, 0, 0, &val2, false)) || (val != val2)) { pr_err("AMD-Vi: Unable to write to IOMMU perf counter.\n"); amd_iommu_pc_present = false; @@ -1284,6 +1316,7 @@ static int iommu_init_pci(struct amd_iommu *iommu) } amd_iommu_erratum_746_workaround(iommu); + amd_iommu_ats_write_check_workaround(iommu); iommu->iommu_dev = iommu_device_create(&iommu->dev->dev, iommu, amd_iommu_groups, "ivhd%d", @@ -2283,22 +2316,15 @@ u8 amd_iommu_pc_get_max_counters(u16 devid) } EXPORT_SYMBOL(amd_iommu_pc_get_max_counters); -int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, u8 fxn, +static int iommu_pc_get_set_reg_val(struct amd_iommu *iommu, + u8 bank, u8 cntr, u8 fxn, u64 *value, bool is_write) { - struct amd_iommu *iommu; u32 offset; u32 max_offset_lim; - /* Make sure the IOMMU PC resource is available */ - if (!amd_iommu_pc_present) - return -ENODEV; - - /* Locate the iommu associated with the device ID */ - iommu = amd_iommu_rlookup_table[devid]; - /* Check for valid iommu and pc register indexing */ - if (WARN_ON((iommu == NULL) || (fxn > 0x28) || (fxn & 7))) + if (WARN_ON((fxn > 0x28) || (fxn & 7))) return -ENODEV; offset = (u32)(((0x40|bank) << 12) | (cntr << 8) | fxn); @@ -2322,3 +2348,16 @@ int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, u8 fxn, return 0; } EXPORT_SYMBOL(amd_iommu_pc_get_set_reg_val); + +int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, u8 fxn, + u64 *value, bool is_write) +{ + struct amd_iommu *iommu = amd_iommu_rlookup_table[devid]; + + /* Make sure the IOMMU PC resource is available */ + if (!amd_iommu_pc_present || iommu == NULL) + return -ENODEV; + + return iommu_pc_get_set_reg_val(iommu, bank, cntr, fxn, + value, is_write); +} diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 62a400c5ba06..8ffd7568fc91 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -329,7 +329,8 @@ static int dmar_pci_bus_notifier(struct notifier_block *nb, /* Only care about add/remove events for physical functions */ if (pdev->is_virtfn) return NOTIFY_DONE; - if (action != BUS_NOTIFY_ADD_DEVICE && action != BUS_NOTIFY_DEL_DEVICE) + if (action != BUS_NOTIFY_ADD_DEVICE && + action != BUS_NOTIFY_REMOVED_DEVICE) return NOTIFY_DONE; info = dmar_alloc_pci_notify_info(pdev, action); @@ -339,7 +340,7 @@ static int dmar_pci_bus_notifier(struct notifier_block *nb, down_write(&dmar_global_lock); if (action == BUS_NOTIFY_ADD_DEVICE) dmar_pci_bus_add_dev(info); - else if (action == BUS_NOTIFY_DEL_DEVICE) + else if (action == BUS_NOTIFY_REMOVED_DEVICE) dmar_pci_bus_del_dev(info); up_write(&dmar_global_lock); @@ -1353,7 +1354,7 @@ void dmar_disable_qi(struct intel_iommu *iommu) raw_spin_lock_irqsave(&iommu->register_lock, flags); - sts = dmar_readq(iommu->reg + DMAR_GSTS_REG); + sts = readl(iommu->reg + DMAR_GSTS_REG); if (!(sts & DMA_GSTS_QIES)) goto end; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 986a53e3eb96..a2e1b7f14df2 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4367,7 +4367,7 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) rmrru->devices_cnt); if(ret < 0) return ret; - } else if (info->event == BUS_NOTIFY_DEL_DEVICE) { + } else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) { dmar_remove_dev_scope(info, rmrr->segment, rmrru->devices, rmrru->devices_cnt); } @@ -4387,7 +4387,7 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) break; else if(ret < 0) return ret; - } else if (info->event == BUS_NOTIFY_DEL_DEVICE) { + } else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) { if (dmar_remove_dev_scope(info, atsr->segment, atsru->devices, atsru->devices_cnt)) break; diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index 50464833d0b8..d9939fa9b588 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -249,12 +249,30 @@ static void intel_flush_pasid_dev(struct intel_svm *svm, struct intel_svm_dev *s static void intel_mm_release(struct mmu_notifier *mn, struct mm_struct *mm) { struct intel_svm *svm = container_of(mn, struct intel_svm, notifier); + struct intel_svm_dev *sdev; + /* This might end up being called from exit_mmap(), *before* the page + * tables are cleared. And __mmu_notifier_release() will delete us from + * the list of notifiers so that our invalidate_range() callback doesn't + * get called when the page tables are cleared. So we need to protect + * against hardware accessing those page tables. + * + * We do it by clearing the entry in the PASID table and then flushing + * the IOTLB and the PASID table caches. This might upset hardware; + * perhaps we'll want to point the PASID to a dummy PGD (like the zero + * page) so that we end up taking a fault that the hardware really + * *has* to handle gracefully without affecting other processes. + */ svm->iommu->pasid_table[svm->pasid].val = 0; + wmb(); + + rcu_read_lock(); + list_for_each_entry_rcu(sdev, &svm->devs, list) { + intel_flush_pasid_dev(svm, sdev, svm->pasid); + intel_flush_svm_range_dev(svm, sdev, 0, -1, 0, !svm->mm); + } + rcu_read_unlock(); - /* There's no need to do any flush because we can't get here if there - * are any devices left anyway. */ - WARN_ON(!list_empty(&svm->devs)); } static const struct mmu_notifier_ops intel_mmuops = { @@ -379,7 +397,6 @@ int intel_svm_bind_mm(struct device *dev, int *pasid, int flags, struct svm_dev_ goto out; } iommu->pasid_table[svm->pasid].val = (u64)__pa(mm->pgd) | 1; - mm = NULL; } else iommu->pasid_table[svm->pasid].val = (u64)__pa(init_mm.pgd) | 1 | (1ULL << 11); wmb(); @@ -442,11 +459,11 @@ int intel_svm_unbind_mm(struct device *dev, int pasid) kfree_rcu(sdev, rcu); if (list_empty(&svm->devs)) { - mmu_notifier_unregister(&svm->notifier, svm->mm); idr_remove(&svm->iommu->pasid_idr, svm->pasid); if (svm->mm) - mmput(svm->mm); + mmu_notifier_unregister(&svm->notifier, svm->mm); + /* We mandate that no page faults may be outstanding * for the PASID when intel_svm_unbind_mm() is called. * If that is not obeyed, subtle errors will happen. @@ -507,6 +524,10 @@ static irqreturn_t prq_event_thread(int irq, void *d) struct intel_svm *svm = NULL; int head, tail, handled = 0; + /* Clear PPR bit before reading head/tail registers, to + * ensure that we get a new interrupt if needed. */ + writel(DMA_PRS_PPR, iommu->reg + DMAR_PRS_REG); + tail = dmar_readq(iommu->reg + DMAR_PQT_REG) & PRQ_RING_MASK; head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; while (head != tail) { @@ -551,6 +572,9 @@ static irqreturn_t prq_event_thread(int irq, void *d) * any faults on kernel addresses. */ if (!svm->mm) goto bad_req; + /* If the mm is already defunct, don't handle faults. */ + if (!atomic_inc_not_zero(&svm->mm->mm_users)) + goto bad_req; down_read(&svm->mm->mmap_sem); vma = find_extend_vma(svm->mm, address); if (!vma || address < vma->vm_start) @@ -567,6 +591,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) result = QI_RESP_SUCCESS; invalid: up_read(&svm->mm->mmap_sem); + mmput(svm->mm); bad_req: /* Accounting for major/minor faults? */ rcu_read_lock(); diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index c12ba4516df2..ac596928f6b4 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -629,7 +629,7 @@ static void iommu_disable_irq_remapping(struct intel_iommu *iommu) raw_spin_lock_irqsave(&iommu->register_lock, flags); - sts = dmar_readq(iommu->reg + DMAR_GSTS_REG); + sts = readl(iommu->reg + DMAR_GSTS_REG); if (!(sts & DMA_GSTS_IRES)) goto end; diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 3447549fcc93..43dfd15c1dd2 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -66,7 +66,10 @@ struct its_node { unsigned long phys_base; struct its_cmd_block *cmd_base; struct its_cmd_block *cmd_write; - void *tables[GITS_BASER_NR_REGS]; + struct { + void *base; + u32 order; + } tables[GITS_BASER_NR_REGS]; struct its_collection *collections; struct list_head its_device_list; u64 flags; @@ -75,6 +78,9 @@ struct its_node { #define ITS_ITT_ALIGN SZ_256 +/* Convert page order to size in bytes */ +#define PAGE_ORDER_TO_SIZE(o) (PAGE_SIZE << (o)) + struct event_lpi_map { unsigned long *lpi_map; u16 *col_map; @@ -597,11 +603,6 @@ static void its_unmask_irq(struct irq_data *d) lpi_set_config(d, true); } -static void its_eoi_irq(struct irq_data *d) -{ - gic_write_eoir(d->hwirq); -} - static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val, bool force) { @@ -638,7 +639,7 @@ static struct irq_chip its_irq_chip = { .name = "ITS", .irq_mask = its_mask_irq, .irq_unmask = its_unmask_irq, - .irq_eoi = its_eoi_irq, + .irq_eoi = irq_chip_eoi_parent, .irq_set_affinity = its_set_affinity, .irq_compose_msi_msg = its_irq_compose_msi_msg, }; @@ -807,9 +808,10 @@ static void its_free_tables(struct its_node *its) int i; for (i = 0; i < GITS_BASER_NR_REGS; i++) { - if (its->tables[i]) { - free_page((unsigned long)its->tables[i]); - its->tables[i] = NULL; + if (its->tables[i].base) { + free_pages((unsigned long)its->tables[i].base, + its->tables[i].order); + its->tables[i].base = NULL; } } } @@ -842,7 +844,6 @@ static int its_alloc_tables(const char *node_name, struct its_node *its) u64 type = GITS_BASER_TYPE(val); u64 entry_size = GITS_BASER_ENTRY_SIZE(val); int order = get_order(psz); - int alloc_size; int alloc_pages; u64 tmp; void *base; @@ -874,9 +875,8 @@ static int its_alloc_tables(const char *node_name, struct its_node *its) } } - alloc_size = (1 << order) * PAGE_SIZE; retry_alloc_baser: - alloc_pages = (alloc_size / psz); + alloc_pages = (PAGE_ORDER_TO_SIZE(order) / psz); if (alloc_pages > GITS_BASER_PAGES_MAX) { alloc_pages = GITS_BASER_PAGES_MAX; order = get_order(GITS_BASER_PAGES_MAX * psz); @@ -890,7 +890,8 @@ retry_alloc_baser: goto out_free; } - its->tables[i] = base; + its->tables[i].base = base; + its->tables[i].order = order; retry_baser: val = (virt_to_phys(base) | @@ -928,7 +929,7 @@ retry_baser: shr = tmp & GITS_BASER_SHAREABILITY_MASK; if (!shr) { cache = GITS_BASER_nC; - __flush_dcache_area(base, alloc_size); + __flush_dcache_area(base, PAGE_ORDER_TO_SIZE(order)); } goto retry_baser; } @@ -940,7 +941,7 @@ retry_baser: * something is horribly wrong... */ free_pages((unsigned long)base, order); - its->tables[i] = NULL; + its->tables[i].base = NULL; switch (psz) { case SZ_16K: @@ -961,7 +962,7 @@ retry_baser: } pr_info("ITS: allocated %d %s @%lx (psz %dK, shr %d)\n", - (int)(alloc_size / entry_size), + (int)(PAGE_ORDER_TO_SIZE(order) / entry_size), its_base_type_string[type], (unsigned long)virt_to_phys(base), psz / SZ_1K, (int)shr >> GITS_BASER_SHAREABILITY_SHIFT); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 911758c056c1..8f9ebf714e2b 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -384,9 +384,6 @@ static struct irq_chip gic_chip = { .irq_unmask = gic_unmask_irq, .irq_eoi = gic_eoi_irq, .irq_set_type = gic_set_type, -#ifdef CONFIG_SMP - .irq_set_affinity = gic_set_affinity, -#endif .irq_get_irqchip_state = gic_irq_get_irqchip_state, .irq_set_irqchip_state = gic_irq_set_irqchip_state, .flags = IRQCHIP_SET_TYPE_MASKED | @@ -400,9 +397,6 @@ static struct irq_chip gic_eoimode1_chip = { .irq_unmask = gic_unmask_irq, .irq_eoi = gic_eoimode1_eoi_irq, .irq_set_type = gic_set_type, -#ifdef CONFIG_SMP - .irq_set_affinity = gic_set_affinity, -#endif .irq_get_irqchip_state = gic_irq_get_irqchip_state, .irq_set_irqchip_state = gic_irq_set_irqchip_state, .irq_set_vcpu_affinity = gic_irq_set_vcpu_affinity, @@ -443,7 +437,7 @@ static void gic_cpu_if_up(struct gic_chip_data *gic) u32 bypass = 0; u32 mode = 0; - if (static_key_true(&supports_deactivate)) + if (gic == &gic_data[0] && static_key_true(&supports_deactivate)) mode = GIC_CPU_CTRL_EOImodeNS; /* @@ -1039,6 +1033,11 @@ static void __init __gic_init_bases(unsigned int gic_nr, int irq_start, gic->chip.name = kasprintf(GFP_KERNEL, "GIC-%d", gic_nr); } +#ifdef CONFIG_SMP + if (gic_nr == 0) + gic->chip.irq_set_affinity = gic_set_affinity; +#endif + #ifdef CONFIG_GIC_NON_BANKED if (percpu_offset) { /* Frankein-GIC without banked registers... */ unsigned int cpu; diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c index 0704362f4c82..376b28074e0d 100644 --- a/drivers/irqchip/irq-sun4i.c +++ b/drivers/irqchip/irq-sun4i.c @@ -22,7 +22,6 @@ #include <linux/of_irq.h> #include <asm/exception.h> -#include <asm/mach/irq.h> #define SUN4I_IRQ_VECTOR_REG 0x00 #define SUN4I_IRQ_PROTECTION_REG 0x08 diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 2a506fe0c8a4..d1f8ab915b15 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -373,13 +373,7 @@ static void gigaset_freecshw(struct cardstate *cs) static void gigaset_device_release(struct device *dev) { - struct cardstate *cs = dev_get_drvdata(dev); - - if (!cs) - return; - dev_set_drvdata(dev, NULL); - kfree(cs->hw.ser); - cs->hw.ser = NULL; + kfree(container_of(dev, struct ser_cardstate, dev.dev)); } /* @@ -408,7 +402,6 @@ static int gigaset_initcshw(struct cardstate *cs) cs->hw.ser = NULL; return rc; } - dev_set_drvdata(&cs->hw.ser->dev.dev, cs); tasklet_init(&cs->write_tasklet, gigaset_modem_fill, (unsigned long) cs); diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c index 8e2944784e00..afde4edef9ae 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -392,7 +392,7 @@ read_dma(struct tiger_ch *bc, u32 idx, int cnt) } stat = bchannel_get_rxbuf(&bc->bch, cnt); /* only transparent use the count here, HDLC overun is detected later */ - if (stat == ENOMEM) { + if (stat == -ENOMEM) { pr_warning("%s.B%d: No memory for %d bytes\n", card->name, bc->bch.nr, cnt); return; diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 33224cb91c5b..9f6acd5d1d2e 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -572,11 +572,13 @@ int nvm_register(struct request_queue *q, char *disk_name, } } - ret = nvm_get_sysblock(dev, &dev->sb); - if (!ret) - pr_err("nvm: device not initialized.\n"); - else if (ret < 0) - pr_err("nvm: err (%d) on device initialization\n", ret); + if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) { + ret = nvm_get_sysblock(dev, &dev->sb); + if (!ret) + pr_err("nvm: device not initialized.\n"); + else if (ret < 0) + pr_err("nvm: err (%d) on device initialization\n", ret); + } /* register device with a supported media manager */ down_write(&nvm_lock); @@ -1055,9 +1057,11 @@ static long __nvm_ioctl_dev_init(struct nvm_ioctl_dev_init *init) strncpy(info.mmtype, init->mmtype, NVM_MMTYPE_LEN); info.fs_ppa.ppa = -1; - ret = nvm_init_sysblock(dev, &info); - if (ret) - return ret; + if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) { + ret = nvm_init_sysblock(dev, &info); + if (ret) + return ret; + } memcpy(&dev->sb, &info, sizeof(struct nvm_sb_info)); @@ -1117,7 +1121,10 @@ static long nvm_ioctl_dev_factory(struct file *file, void __user *arg) dev->mt = NULL; } - return nvm_dev_factory(dev, fact.flags); + if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) + return nvm_dev_factory(dev, fact.flags); + + return 0; } static long nvm_ctl_ioctl(struct file *file, uint cmd, unsigned long arg) diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index d8c75958ced3..307db1ea22de 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -300,8 +300,10 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk) } page = mempool_alloc(rrpc->page_pool, GFP_NOIO); - if (!page) + if (!page) { + bio_put(bio); return -ENOMEM; + } while ((slot = find_first_zero_bit(rblk->invalid_pages, nr_pgs_per_blk)) < nr_pgs_per_blk) { diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h index ef13ac7700c8..f7b37336353f 100644 --- a/drivers/lightnvm/rrpc.h +++ b/drivers/lightnvm/rrpc.h @@ -174,8 +174,7 @@ static inline sector_t rrpc_get_sector(sector_t laddr) static inline int request_intersects(struct rrpc_inflight_rq *r, sector_t laddr_start, sector_t laddr_end) { - return (laddr_end >= r->l_start && laddr_end <= r->l_end) && - (laddr_start >= r->l_start && laddr_start <= r->l_end); + return (laddr_end >= r->l_start) && (laddr_start <= r->l_end); } static int __rrpc_lock_laddr(struct rrpc *rrpc, sector_t laddr, @@ -184,6 +183,8 @@ static int __rrpc_lock_laddr(struct rrpc *rrpc, sector_t laddr, sector_t laddr_end = laddr + pages - 1; struct rrpc_inflight_rq *rtmp; + WARN_ON(irqs_disabled()); + spin_lock_irq(&rrpc->inflights.lock); list_for_each_entry(rtmp, &rrpc->inflights.reqs, list) { if (unlikely(request_intersects(rtmp, laddr, laddr_end))) { diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig index 546d05f4358a..b2bbe8659bed 100644 --- a/drivers/mailbox/Kconfig +++ b/drivers/mailbox/Kconfig @@ -81,6 +81,7 @@ config STI_MBOX config MAILBOX_TEST tristate "Mailbox Test Client" depends on OF + depends on HAS_IOMEM help Test client to help with testing new Controller driver implementations. diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c index 45d85aea9955..8f779a1ec99c 100644 --- a/drivers/mailbox/pcc.c +++ b/drivers/mailbox/pcc.c @@ -81,16 +81,10 @@ static struct mbox_controller pcc_mbox_ctrl = {}; */ static struct mbox_chan *get_pcc_channel(int id) { - struct mbox_chan *pcc_chan; - if (id < 0 || id > pcc_mbox_ctrl.num_chans) return ERR_PTR(-ENOENT); - pcc_chan = (struct mbox_chan *) - (unsigned long) pcc_mbox_channels + - (id * sizeof(*pcc_chan)); - - return pcc_chan; + return &pcc_mbox_channels[id]; } /** diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 4f22e919787a..d80cce499a56 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -210,10 +210,6 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait) struct block_device *bdev; struct mddev *mddev = bitmap->mddev; struct bitmap_storage *store = &bitmap->storage; - int node_offset = 0; - - if (mddev_is_clustered(bitmap->mddev)) - node_offset = bitmap->cluster_slot * store->file_pages; while ((rdev = next_active_rdev(rdev, mddev)) != NULL) { int size = PAGE_SIZE; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 5df40480228b..dd834927bc66 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1191,6 +1191,8 @@ static void dm_unprep_request(struct request *rq) if (clone) free_rq_clone(clone); + else if (!tio->md->queue->mq_ops) + free_rq_tio(tio); } /* diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index 4a8e15058e8b..685aa2d77e25 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -170,7 +170,7 @@ static void add_sector(struct faulty_conf *conf, sector_t start, int mode) conf->nfaults = n+1; } -static void make_request(struct mddev *mddev, struct bio *bio) +static void faulty_make_request(struct mddev *mddev, struct bio *bio) { struct faulty_conf *conf = mddev->private; int failit = 0; @@ -226,7 +226,7 @@ static void make_request(struct mddev *mddev, struct bio *bio) generic_make_request(bio); } -static void status(struct seq_file *seq, struct mddev *mddev) +static void faulty_status(struct seq_file *seq, struct mddev *mddev) { struct faulty_conf *conf = mddev->private; int n; @@ -259,7 +259,7 @@ static void status(struct seq_file *seq, struct mddev *mddev) } -static int reshape(struct mddev *mddev) +static int faulty_reshape(struct mddev *mddev) { int mode = mddev->new_layout & ModeMask; int count = mddev->new_layout >> ModeShift; @@ -299,7 +299,7 @@ static sector_t faulty_size(struct mddev *mddev, sector_t sectors, int raid_disk return sectors; } -static int run(struct mddev *mddev) +static int faulty_run(struct mddev *mddev) { struct md_rdev *rdev; int i; @@ -327,7 +327,7 @@ static int run(struct mddev *mddev) md_set_array_sectors(mddev, faulty_size(mddev, 0, 0)); mddev->private = conf; - reshape(mddev); + faulty_reshape(mddev); return 0; } @@ -344,11 +344,11 @@ static struct md_personality faulty_personality = .name = "faulty", .level = LEVEL_FAULTY, .owner = THIS_MODULE, - .make_request = make_request, - .run = run, + .make_request = faulty_make_request, + .run = faulty_run, .free = faulty_free, - .status = status, - .check_reshape = reshape, + .status = faulty_status, + .check_reshape = faulty_reshape, .size = faulty_size, }; diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 0ded8e97751d..dd97d4245822 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -293,6 +293,7 @@ static void recover_bitmaps(struct md_thread *thread) dlm_unlock: dlm_unlock_sync(bm_lockres); clear_bit: + lockres_free(bm_lockres); clear_bit(slot, &cinfo->recovery_map); } } @@ -682,8 +683,10 @@ static int gather_all_resync_info(struct mddev *mddev, int total_slots) bm_lockres = lockres_init(mddev, str, NULL, 1); if (!bm_lockres) return -ENOMEM; - if (i == (cinfo->slot_number - 1)) + if (i == (cinfo->slot_number - 1)) { + lockres_free(bm_lockres); continue; + } bm_lockres->flags |= DLM_LKF_NOQUEUE; ret = dlm_lock_sync(bm_lockres, DLM_LOCK_PW); @@ -858,6 +861,7 @@ static int leave(struct mddev *mddev) lockres_free(cinfo->token_lockres); lockres_free(cinfo->ack_lockres); lockres_free(cinfo->no_new_dev_lockres); + lockres_free(cinfo->resync_lockres); lockres_free(cinfo->bitmap_lockres); unlock_all_bitmaps(mddev); dlm_release_lockspace(cinfo->lockspace, 2); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index c4b913409226..4e3843f7d245 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1044,7 +1044,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule) kfree(plug); } -static void make_request(struct mddev *mddev, struct bio * bio) +static void raid1_make_request(struct mddev *mddev, struct bio * bio) { struct r1conf *conf = mddev->private; struct raid1_info *mirror; @@ -1422,7 +1422,7 @@ read_again: wake_up(&conf->wait_barrier); } -static void status(struct seq_file *seq, struct mddev *mddev) +static void raid1_status(struct seq_file *seq, struct mddev *mddev) { struct r1conf *conf = mddev->private; int i; @@ -1439,7 +1439,7 @@ static void status(struct seq_file *seq, struct mddev *mddev) seq_printf(seq, "]"); } -static void error(struct mddev *mddev, struct md_rdev *rdev) +static void raid1_error(struct mddev *mddev, struct md_rdev *rdev) { char b[BDEVNAME_SIZE]; struct r1conf *conf = mddev->private; @@ -2472,7 +2472,8 @@ static int init_resync(struct r1conf *conf) * that can be installed to exclude normal IO requests. */ -static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped) +static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, + int *skipped) { struct r1conf *conf = mddev->private; struct r1bio *r1_bio; @@ -2890,7 +2891,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) } static void raid1_free(struct mddev *mddev, void *priv); -static int run(struct mddev *mddev) +static int raid1_run(struct mddev *mddev) { struct r1conf *conf; int i; @@ -3170,15 +3171,15 @@ static struct md_personality raid1_personality = .name = "raid1", .level = 1, .owner = THIS_MODULE, - .make_request = make_request, - .run = run, + .make_request = raid1_make_request, + .run = raid1_run, .free = raid1_free, - .status = status, - .error_handler = error, + .status = raid1_status, + .error_handler = raid1_error, .hot_add_disk = raid1_add_disk, .hot_remove_disk= raid1_remove_disk, .spare_active = raid1_spare_active, - .sync_request = sync_request, + .sync_request = raid1_sync_request, .resize = raid1_resize, .size = raid1_size, .check_reshape = raid1_reshape, diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index ce959b4ae4df..1c1447dd3417 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1442,7 +1442,7 @@ retry_write: one_write_done(r10_bio); } -static void make_request(struct mddev *mddev, struct bio *bio) +static void raid10_make_request(struct mddev *mddev, struct bio *bio) { struct r10conf *conf = mddev->private; sector_t chunk_mask = (conf->geo.chunk_mask & conf->prev.chunk_mask); @@ -1484,7 +1484,7 @@ static void make_request(struct mddev *mddev, struct bio *bio) wake_up(&conf->wait_barrier); } -static void status(struct seq_file *seq, struct mddev *mddev) +static void raid10_status(struct seq_file *seq, struct mddev *mddev) { struct r10conf *conf = mddev->private; int i; @@ -1562,7 +1562,7 @@ static int enough(struct r10conf *conf, int ignore) _enough(conf, 1, ignore); } -static void error(struct mddev *mddev, struct md_rdev *rdev) +static void raid10_error(struct mddev *mddev, struct md_rdev *rdev) { char b[BDEVNAME_SIZE]; struct r10conf *conf = mddev->private; @@ -2802,7 +2802,7 @@ static int init_resync(struct r10conf *conf) * */ -static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, +static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped) { struct r10conf *conf = mddev->private; @@ -3523,7 +3523,7 @@ static struct r10conf *setup_conf(struct mddev *mddev) return ERR_PTR(err); } -static int run(struct mddev *mddev) +static int raid10_run(struct mddev *mddev) { struct r10conf *conf; int i, disk_idx, chunk_size; @@ -4617,15 +4617,15 @@ static struct md_personality raid10_personality = .name = "raid10", .level = 10, .owner = THIS_MODULE, - .make_request = make_request, - .run = run, + .make_request = raid10_make_request, + .run = raid10_run, .free = raid10_free, - .status = status, - .error_handler = error, + .status = raid10_status, + .error_handler = raid10_error, .hot_add_disk = raid10_add_disk, .hot_remove_disk= raid10_remove_disk, .spare_active = raid10_spare_active, - .sync_request = sync_request, + .sync_request = raid10_sync_request, .quiesce = raid10_quiesce, .size = raid10_size, .resize = raid10_resize, diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index a086014dcd49..b4f02c9959f2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2496,7 +2496,7 @@ static void raid5_build_block(struct stripe_head *sh, int i, int previous) dev->sector = raid5_compute_blocknr(sh, i, previous); } -static void error(struct mddev *mddev, struct md_rdev *rdev) +static void raid5_error(struct mddev *mddev, struct md_rdev *rdev) { char b[BDEVNAME_SIZE]; struct r5conf *conf = mddev->private; @@ -2958,7 +2958,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, * If several bio share a stripe. The bio bi_phys_segments acts as a * reference count to avoid race. The reference count should already be * increased before this function is called (for example, in - * make_request()), so other bio sharing this stripe will not free the + * raid5_make_request()), so other bio sharing this stripe will not free the * stripe. If a stripe is owned by one stripe, the stripe lock will * protect it. */ @@ -5135,7 +5135,7 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi) } } -static void make_request(struct mddev *mddev, struct bio * bi) +static void raid5_make_request(struct mddev *mddev, struct bio * bi) { struct r5conf *conf = mddev->private; int dd_idx; @@ -5225,7 +5225,7 @@ static void make_request(struct mddev *mddev, struct bio * bi) new_sector = raid5_compute_sector(conf, logical_sector, previous, &dd_idx, NULL); - pr_debug("raid456: make_request, sector %llu logical %llu\n", + pr_debug("raid456: raid5_make_request, sector %llu logical %llu\n", (unsigned long long)new_sector, (unsigned long long)logical_sector); @@ -5575,7 +5575,8 @@ ret: return retn; } -static inline sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped) +static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_nr, + int *skipped) { struct r5conf *conf = mddev->private; struct stripe_head *sh; @@ -6674,7 +6675,7 @@ static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded return 0; } -static int run(struct mddev *mddev) +static int raid5_run(struct mddev *mddev) { struct r5conf *conf; int working_disks = 0; @@ -7048,7 +7049,7 @@ static void raid5_free(struct mddev *mddev, void *priv) mddev->to_remove = &raid5_attrs_group; } -static void status(struct seq_file *seq, struct mddev *mddev) +static void raid5_status(struct seq_file *seq, struct mddev *mddev) { struct r5conf *conf = mddev->private; int i; @@ -7864,15 +7865,15 @@ static struct md_personality raid6_personality = .name = "raid6", .level = 6, .owner = THIS_MODULE, - .make_request = make_request, - .run = run, + .make_request = raid5_make_request, + .run = raid5_run, .free = raid5_free, - .status = status, - .error_handler = error, + .status = raid5_status, + .error_handler = raid5_error, .hot_add_disk = raid5_add_disk, .hot_remove_disk= raid5_remove_disk, .spare_active = raid5_spare_active, - .sync_request = sync_request, + .sync_request = raid5_sync_request, .resize = raid5_resize, .size = raid5_size, .check_reshape = raid6_check_reshape, @@ -7887,15 +7888,15 @@ static struct md_personality raid5_personality = .name = "raid5", .level = 5, .owner = THIS_MODULE, - .make_request = make_request, - .run = run, + .make_request = raid5_make_request, + .run = raid5_run, .free = raid5_free, - .status = status, - .error_handler = error, + .status = raid5_status, + .error_handler = raid5_error, .hot_add_disk = raid5_add_disk, .hot_remove_disk= raid5_remove_disk, .spare_active = raid5_spare_active, - .sync_request = sync_request, + .sync_request = raid5_sync_request, .resize = raid5_resize, .size = raid5_size, .check_reshape = raid5_check_reshape, @@ -7911,15 +7912,15 @@ static struct md_personality raid4_personality = .name = "raid4", .level = 4, .owner = THIS_MODULE, - .make_request = make_request, - .run = run, + .make_request = raid5_make_request, + .run = raid5_run, .free = raid5_free, - .status = status, - .error_handler = error, + .status = raid5_status, + .error_handler = raid5_error, .hot_add_disk = raid5_add_disk, .hot_remove_disk= raid5_remove_disk, .spare_active = raid5_spare_active, - .sync_request = sync_request, + .sync_request = raid5_sync_request, .resize = raid5_resize, .size = raid5_size, .check_reshape = raid5_check_reshape, diff --git a/drivers/media/dvb-frontends/tda1004x.c b/drivers/media/dvb-frontends/tda1004x.c index 0e209b56c76c..c6abeb4fba9d 100644 --- a/drivers/media/dvb-frontends/tda1004x.c +++ b/drivers/media/dvb-frontends/tda1004x.c @@ -903,9 +903,18 @@ static int tda1004x_get_fe(struct dvb_frontend *fe) { struct dtv_frontend_properties *fe_params = &fe->dtv_property_cache; struct tda1004x_state* state = fe->demodulator_priv; + int status; dprintk("%s\n", __func__); + status = tda1004x_read_byte(state, TDA1004X_STATUS_CD); + if (status == -1) + return -EIO; + + /* Only update the properties cache if device is locked */ + if (!(status & 8)) + return 0; + // inversion status fe_params->inversion = INVERSION_OFF; if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20) diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c index 830491960add..bf82726fd3f4 100644 --- a/drivers/media/i2c/ir-kbd-i2c.c +++ b/drivers/media/i2c/ir-kbd-i2c.c @@ -478,7 +478,6 @@ static const struct i2c_device_id ir_kbd_id[] = { { "ir_rx_z8f0811_hdpvr", 0 }, { } }; -MODULE_DEVICE_TABLE(i2c, ir_kbd_id); static struct i2c_driver ir_kbd_driver = { .driver = { diff --git a/drivers/media/i2c/s5k6a3.c b/drivers/media/i2c/s5k6a3.c index b9e43ffa5085..cbe4711e9b31 100644 --- a/drivers/media/i2c/s5k6a3.c +++ b/drivers/media/i2c/s5k6a3.c @@ -144,8 +144,7 @@ static int s5k6a3_set_fmt(struct v4l2_subdev *sd, mf = __s5k6a3_get_format(sensor, cfg, fmt->pad, fmt->which); if (mf) { mutex_lock(&sensor->lock); - if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) - *mf = fmt->format; + *mf = fmt->format; mutex_unlock(&sensor->lock); } return 0; diff --git a/drivers/media/pci/saa7134/saa7134-alsa.c b/drivers/media/pci/saa7134/saa7134-alsa.c index 1d2c310ce838..94f816244407 100644 --- a/drivers/media/pci/saa7134/saa7134-alsa.c +++ b/drivers/media/pci/saa7134/saa7134-alsa.c @@ -1211,6 +1211,8 @@ static int alsa_device_init(struct saa7134_dev *dev) static int alsa_device_exit(struct saa7134_dev *dev) { + if (!snd_saa7134_cards[dev->nr]) + return 1; snd_card_free(snd_saa7134_cards[dev->nr]); snd_saa7134_cards[dev->nr] = NULL; @@ -1260,7 +1262,8 @@ static void saa7134_alsa_exit(void) int idx; for (idx = 0; idx < SNDRV_CARDS; idx++) { - snd_card_free(snd_saa7134_cards[idx]); + if (snd_saa7134_cards[idx]) + snd_card_free(snd_saa7134_cards[idx]); } saa7134_dmasound_init = NULL; diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index 526359447ff9..8b89ebe16d94 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -215,6 +215,7 @@ config VIDEO_SAMSUNG_EXYNOS_GSC config VIDEO_STI_BDISP tristate "STMicroelectronics BDISP 2D blitter driver" depends on VIDEO_DEV && VIDEO_V4L2 + depends on HAS_DMA depends on ARCH_STI || COMPILE_TEST select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV diff --git a/drivers/media/platform/exynos4-is/Kconfig b/drivers/media/platform/exynos4-is/Kconfig index 40423c6c5324..57d42c6172c5 100644 --- a/drivers/media/platform/exynos4-is/Kconfig +++ b/drivers/media/platform/exynos4-is/Kconfig @@ -1,6 +1,6 @@ config VIDEO_SAMSUNG_EXYNOS4_IS - bool "Samsung S5P/EXYNOS4 SoC series Camera Subsystem driver" + tristate "Samsung S5P/EXYNOS4 SoC series Camera Subsystem driver" depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST depends on OF && COMMON_CLK diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c index 49658ca39e51..979c388ebf60 100644 --- a/drivers/media/platform/exynos4-is/fimc-is.c +++ b/drivers/media/platform/exynos4-is/fimc-is.c @@ -631,6 +631,12 @@ static int fimc_is_hw_open_sensor(struct fimc_is *is, fimc_is_mem_barrier(); + /* + * Some user space use cases hang up here without this + * empirically chosen delay. + */ + udelay(100); + mcuctl_write(HIC_OPEN_SENSOR, is, MCUCTL_REG_ISSR(0)); mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1)); mcuctl_write(sensor->drvdata->id, is, MCUCTL_REG_ISSR(2)); diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index bf9261eb57a1..c0816728cbfe 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -218,8 +218,8 @@ static void isp_video_capture_buffer_queue(struct vb2_buffer *vb) ivb->dma_addr[i]; isp_dbg(2, &video->ve.vdev, - "dma_buf %pad (%d/%d/%d) addr: %pad\n", - &buf_index, ivb->index, i, vb->index, + "dma_buf %d (%d/%d/%d) addr: %pad\n", + buf_index, ivb->index, i, vb->index, &ivb->dma_addr[i]); } diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index f3b2dd30ec77..e79ddbb1e14f 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -186,6 +186,37 @@ error: } /** + * __fimc_pipeline_enable - enable power of all pipeline subdevs + * and the sensor clock + * @ep: video pipeline structure + * @fmd: fimc media device + * + * Called with the graph mutex held. + */ +static int __fimc_pipeline_enable(struct exynos_media_pipeline *ep, + struct fimc_md *fmd) +{ + struct fimc_pipeline *p = to_fimc_pipeline(ep); + int ret; + + /* Enable PXLASYNC clock if this pipeline includes FIMC-IS */ + if (!IS_ERR(fmd->wbclk[CLK_IDX_WB_B]) && p->subdevs[IDX_IS_ISP]) { + ret = clk_prepare_enable(fmd->wbclk[CLK_IDX_WB_B]); + if (ret < 0) + return ret; + } + + ret = fimc_pipeline_s_power(p, 1); + if (!ret) + return 0; + + if (!IS_ERR(fmd->wbclk[CLK_IDX_WB_B]) && p->subdevs[IDX_IS_ISP]) + clk_disable_unprepare(fmd->wbclk[CLK_IDX_WB_B]); + + return ret; +} + +/** * __fimc_pipeline_open - update the pipeline information, enable power * of all pipeline subdevs and the sensor clock * @me: media entity to start graph walk with @@ -199,7 +230,6 @@ static int __fimc_pipeline_open(struct exynos_media_pipeline *ep, struct fimc_md *fmd = entity_to_fimc_mdev(me); struct fimc_pipeline *p = to_fimc_pipeline(ep); struct v4l2_subdev *sd; - int ret; if (WARN_ON(p == NULL || me == NULL)) return -EINVAL; @@ -208,24 +238,16 @@ static int __fimc_pipeline_open(struct exynos_media_pipeline *ep, fimc_pipeline_prepare(p, me); sd = p->subdevs[IDX_SENSOR]; - if (sd == NULL) - return -EINVAL; - - /* Disable PXLASYNC clock if this pipeline includes FIMC-IS */ - if (!IS_ERR(fmd->wbclk[CLK_IDX_WB_B]) && p->subdevs[IDX_IS_ISP]) { - ret = clk_prepare_enable(fmd->wbclk[CLK_IDX_WB_B]); - if (ret < 0) - return ret; - } - - ret = fimc_pipeline_s_power(p, 1); - if (!ret) + if (sd == NULL) { + pr_warn("%s(): No sensor subdev\n", __func__); + /* + * Pipeline open cannot fail so as to make it possible + * for the user space to configure the pipeline. + */ return 0; + } - if (!IS_ERR(fmd->wbclk[CLK_IDX_WB_B]) && p->subdevs[IDX_IS_ISP]) - clk_disable_unprepare(fmd->wbclk[CLK_IDX_WB_B]); - - return ret; + return __fimc_pipeline_enable(ep, fmd); } /** @@ -269,10 +291,43 @@ static int __fimc_pipeline_s_stream(struct exynos_media_pipeline *ep, bool on) { IDX_CSIS, IDX_FLITE, IDX_FIMC, IDX_SENSOR, IDX_IS_ISP }, }; struct fimc_pipeline *p = to_fimc_pipeline(ep); + struct fimc_md *fmd = entity_to_fimc_mdev(&p->subdevs[IDX_CSIS]->entity); + enum fimc_subdev_index sd_id; int i, ret = 0; - if (p->subdevs[IDX_SENSOR] == NULL) - return -ENODEV; + if (p->subdevs[IDX_SENSOR] == NULL) { + if (!fmd->user_subdev_api) { + /* + * Sensor must be already discovered if we + * aren't in the user_subdev_api mode + */ + return -ENODEV; + } + + /* Get pipeline sink entity */ + if (p->subdevs[IDX_FIMC]) + sd_id = IDX_FIMC; + else if (p->subdevs[IDX_IS_ISP]) + sd_id = IDX_IS_ISP; + else if (p->subdevs[IDX_FLITE]) + sd_id = IDX_FLITE; + else + return -ENODEV; + + /* + * Sensor could have been linked between open and STREAMON - + * check if this is the case. + */ + fimc_pipeline_prepare(p, &p->subdevs[sd_id]->entity); + + if (p->subdevs[IDX_SENSOR] == NULL) + return -ENODEV; + + ret = __fimc_pipeline_enable(ep, fmd); + if (ret < 0) + return ret; + + } for (i = 0; i < IDX_MAX; i++) { unsigned int idx = seq[on][i]; @@ -282,8 +337,10 @@ static int __fimc_pipeline_s_stream(struct exynos_media_pipeline *ep, bool on) if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) goto error; } + return 0; error: + fimc_pipeline_s_power(p, !on); for (; i >= 0; i--) { unsigned int idx = seq[on][i]; v4l2_subdev_call(p->subdevs[idx], video, s_stream, !on); diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index c398b285180c..1af779ee3c74 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -795,7 +795,7 @@ static int isi_camera_get_formats(struct soc_camera_device *icd, xlate->host_fmt = &isi_camera_formats[i]; xlate->code = code.code; dev_dbg(icd->parent, "Providing format %s using code %d\n", - isi_camera_formats[0].name, code.code); + xlate->host_fmt->name, xlate->code); } break; default: diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index cc84c6d6a701..46c7186f7867 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -1493,6 +1493,8 @@ static void soc_camera_async_unbind(struct v4l2_async_notifier *notifier, struct soc_camera_async_client, notifier); struct soc_camera_device *icd = platform_get_drvdata(sasc->pdev); + icd->control = NULL; + if (icd->clk) { v4l2_clk_unregister(icd->clk); icd->clk = NULL; diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index 42dff9d020af..533bc796391e 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -256,7 +256,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1) /* Create links. */ list_for_each_entry(entity, &vsp1->entities, list_dev) { - if (entity->type == VSP1_ENTITY_LIF) { + if (entity->type == VSP1_ENTITY_WPF) { ret = vsp1_wpf_create_links(vsp1, entity); if (ret < 0) goto done; @@ -264,7 +264,10 @@ static int vsp1_create_entities(struct vsp1_device *vsp1) ret = vsp1_rpf_create_links(vsp1, entity); if (ret < 0) goto done; - } else { + } + + if (entity->type != VSP1_ENTITY_LIF && + entity->type != VSP1_ENTITY_RPF) { ret = vsp1_create_links(vsp1, entity); if (ret < 0) goto done; diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 637d0d6f79fb..b4dca57d1ae3 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -515,7 +515,7 @@ static bool vsp1_pipeline_stopped(struct vsp1_pipeline *pipe) bool stopped; spin_lock_irqsave(&pipe->irqlock, flags); - stopped = pipe->state == VSP1_PIPELINE_STOPPED, + stopped = pipe->state == VSP1_PIPELINE_STOPPED; spin_unlock_irqrestore(&pipe->irqlock, flags); return stopped; diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index c5d49d7a0d76..ff8953ae52d1 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1063,8 +1063,11 @@ EXPORT_SYMBOL_GPL(vb2_discard_done); */ static int __qbuf_mmap(struct vb2_buffer *vb, const void *pb) { - int ret = call_bufop(vb->vb2_queue, fill_vb2_buffer, - vb, pb, vb->planes); + int ret = 0; + + if (pb) + ret = call_bufop(vb->vb2_queue, fill_vb2_buffer, + vb, pb, vb->planes); return ret ? ret : call_vb_qop(vb, buf_prepare, vb); } @@ -1077,14 +1080,16 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const void *pb) struct vb2_queue *q = vb->vb2_queue; void *mem_priv; unsigned int plane; - int ret; + int ret = 0; enum dma_data_direction dma_dir = q->is_output ? DMA_TO_DEVICE : DMA_FROM_DEVICE; bool reacquired = vb->planes[0].mem_priv == NULL; memset(planes, 0, sizeof(planes[0]) * vb->num_planes); /* Copy relevant information provided by the userspace */ - ret = call_bufop(vb->vb2_queue, fill_vb2_buffer, vb, pb, planes); + if (pb) + ret = call_bufop(vb->vb2_queue, fill_vb2_buffer, + vb, pb, planes); if (ret) return ret; @@ -1192,14 +1197,16 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const void *pb) struct vb2_queue *q = vb->vb2_queue; void *mem_priv; unsigned int plane; - int ret; + int ret = 0; enum dma_data_direction dma_dir = q->is_output ? DMA_TO_DEVICE : DMA_FROM_DEVICE; bool reacquired = vb->planes[0].mem_priv == NULL; memset(planes, 0, sizeof(planes[0]) * vb->num_planes); /* Copy relevant information provided by the userspace */ - ret = call_bufop(vb->vb2_queue, fill_vb2_buffer, vb, pb, planes); + if (pb) + ret = call_bufop(vb->vb2_queue, fill_vb2_buffer, + vb, pb, planes); if (ret) return ret; @@ -1520,7 +1527,8 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb) q->waiting_for_buffers = false; vb->state = VB2_BUF_STATE_QUEUED; - call_void_bufop(q, copy_timestamp, vb, pb); + if (pb) + call_void_bufop(q, copy_timestamp, vb, pb); trace_vb2_qbuf(q, vb); @@ -1532,7 +1540,8 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb) __enqueue_in_driver(vb); /* Fill buffer information for the userspace */ - call_void_bufop(q, fill_user_buffer, vb, pb); + if (pb) + call_void_bufop(q, fill_user_buffer, vb, pb); /* * If streamon has been called, and we haven't yet called @@ -1731,7 +1740,8 @@ static void __vb2_dqbuf(struct vb2_buffer *vb) * The return values from this function are intended to be directly returned * from vidioc_dqbuf handler in driver. */ -int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking) +int vb2_core_dqbuf(struct vb2_queue *q, unsigned int *pindex, void *pb, + bool nonblocking) { struct vb2_buffer *vb = NULL; int ret; @@ -1754,8 +1764,12 @@ int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking) call_void_vb_qop(vb, buf_finish, vb); + if (pindex) + *pindex = vb->index; + /* Fill buffer information for the userspace */ - call_void_bufop(q, fill_user_buffer, vb, pb); + if (pb) + call_void_bufop(q, fill_user_buffer, vb, pb); /* Remove from videobuf queue */ list_del(&vb->queued_entry); @@ -1828,7 +1842,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q) * that's done in dqbuf, but that's not going to happen when we * cancel the whole queue. Note: this code belongs here, not in * __vb2_dqbuf() since in vb2_internal_dqbuf() there is a critical - * call to __fill_v4l2_buffer() after buf_finish(). That order can't + * call to __fill_user_buffer() after buf_finish(). That order can't * be changed, so we can't move the buf_finish() to __vb2_dqbuf(). */ for (i = 0; i < q->num_buffers; ++i) { @@ -2357,7 +2371,6 @@ struct vb2_fileio_data { unsigned int count; unsigned int type; unsigned int memory; - struct vb2_buffer *b; struct vb2_fileio_buf bufs[VB2_MAX_FRAME]; unsigned int cur_index; unsigned int initial_index; @@ -2410,12 +2423,6 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) if (fileio == NULL) return -ENOMEM; - fileio->b = kzalloc(q->buf_struct_size, GFP_KERNEL); - if (fileio->b == NULL) { - kfree(fileio); - return -ENOMEM; - } - fileio->read_once = q->fileio_read_once; fileio->write_immediately = q->fileio_write_immediately; @@ -2460,13 +2467,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read) * Queue all buffers. */ for (i = 0; i < q->num_buffers; i++) { - struct vb2_buffer *b = fileio->b; - - memset(b, 0, q->buf_struct_size); - b->type = q->type; - b->memory = q->memory; - b->index = i; - ret = vb2_core_qbuf(q, i, b); + ret = vb2_core_qbuf(q, i, NULL); if (ret) goto err_reqbufs; fileio->bufs[i].queued = 1; @@ -2511,7 +2512,6 @@ static int __vb2_cleanup_fileio(struct vb2_queue *q) q->fileio = NULL; fileio->count = 0; vb2_core_reqbufs(q, fileio->memory, &fileio->count); - kfree(fileio->b); kfree(fileio); dprintk(3, "file io emulator closed\n"); } @@ -2539,7 +2539,8 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ * else is able to provide this information with the write() operation. */ bool copy_timestamp = !read && q->copy_timestamp; - int ret, index; + unsigned index; + int ret; dprintk(3, "mode %s, offset %ld, count %zd, %sblocking\n", read ? "read" : "write", (long)*ppos, count, @@ -2564,22 +2565,20 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ */ index = fileio->cur_index; if (index >= q->num_buffers) { - struct vb2_buffer *b = fileio->b; + struct vb2_buffer *b; /* * Call vb2_dqbuf to get buffer back. */ - memset(b, 0, q->buf_struct_size); - b->type = q->type; - b->memory = q->memory; - ret = vb2_core_dqbuf(q, b, nonblock); + ret = vb2_core_dqbuf(q, &index, NULL, nonblock); dprintk(5, "vb2_dqbuf result: %d\n", ret); if (ret) return ret; fileio->dq_count += 1; - fileio->cur_index = index = b->index; + fileio->cur_index = index; buf = &fileio->bufs[index]; + b = q->bufs[index]; /* * Get number of bytes filled by the driver @@ -2630,7 +2629,7 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ * Queue next buffer if required. */ if (buf->pos == buf->size || (!read && fileio->write_immediately)) { - struct vb2_buffer *b = fileio->b; + struct vb2_buffer *b = q->bufs[index]; /* * Check if this is the last buffer to read. @@ -2643,15 +2642,11 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ /* * Call vb2_qbuf and give buffer to the driver. */ - memset(b, 0, q->buf_struct_size); - b->type = q->type; - b->memory = q->memory; - b->index = index; b->planes[0].bytesused = buf->pos; if (copy_timestamp) b->timestamp = ktime_get_ns(); - ret = vb2_core_qbuf(q, index, b); + ret = vb2_core_qbuf(q, index, NULL); dprintk(5, "vb2_dbuf result: %d\n", ret); if (ret) return ret; @@ -2713,10 +2708,9 @@ static int vb2_thread(void *data) { struct vb2_queue *q = data; struct vb2_threadio_data *threadio = q->threadio; - struct vb2_fileio_data *fileio = q->fileio; bool copy_timestamp = false; - int prequeue = 0; - int index = 0; + unsigned prequeue = 0; + unsigned index = 0; int ret = 0; if (q->is_output) { @@ -2728,37 +2722,34 @@ static int vb2_thread(void *data) for (;;) { struct vb2_buffer *vb; - struct vb2_buffer *b = fileio->b; /* * Call vb2_dqbuf to get buffer back. */ - memset(b, 0, q->buf_struct_size); - b->type = q->type; - b->memory = q->memory; if (prequeue) { - b->index = index++; + vb = q->bufs[index++]; prequeue--; } else { call_void_qop(q, wait_finish, q); if (!threadio->stop) - ret = vb2_core_dqbuf(q, b, 0); + ret = vb2_core_dqbuf(q, &index, NULL, 0); call_void_qop(q, wait_prepare, q); dprintk(5, "file io: vb2_dqbuf result: %d\n", ret); + if (!ret) + vb = q->bufs[index]; } if (ret || threadio->stop) break; try_to_freeze(); - vb = q->bufs[b->index]; - if (b->state == VB2_BUF_STATE_DONE) + if (vb->state != VB2_BUF_STATE_ERROR) if (threadio->fnc(vb, threadio->priv)) break; call_void_qop(q, wait_finish, q); if (copy_timestamp) - b->timestamp = ktime_get_ns();; + vb->timestamp = ktime_get_ns();; if (!threadio->stop) - ret = vb2_core_qbuf(q, b->index, b); + ret = vb2_core_qbuf(q, vb->index, NULL); call_void_qop(q, wait_prepare, q); if (ret || threadio->stop) break; diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index c9a28605511a..91f552124050 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -625,7 +625,7 @@ static int vb2_internal_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, return -EINVAL; } - ret = vb2_core_dqbuf(q, b, nonblocking); + ret = vb2_core_dqbuf(q, NULL, b, nonblocking); return ret; } diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index e6e4bacb09ee..12099b09a9a7 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -2048,6 +2048,7 @@ int db8500_prcmu_config_hotmon(u8 low, u8 high) return 0; } +EXPORT_SYMBOL_GPL(db8500_prcmu_config_hotmon); static int config_hot_period(u16 val) { @@ -2074,11 +2075,13 @@ int db8500_prcmu_start_temp_sense(u16 cycles32k) return config_hot_period(cycles32k); } +EXPORT_SYMBOL_GPL(db8500_prcmu_start_temp_sense); int db8500_prcmu_stop_temp_sense(void) { return config_hot_period(0xFFFF); } +EXPORT_SYMBOL_GPL(db8500_prcmu_stop_temp_sense); static int prcmu_a9wdog(u8 cmd, u8 d0, u8 d1, u8 d2, u8 d3) { diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 677d0362f334..80f9afcb1382 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -458,7 +458,11 @@ static int mei_ioctl_client_notify_request(struct file *file, u32 request) { struct mei_cl *cl = file->private_data; - return mei_cl_notify_request(cl, file, request); + if (request != MEI_HBM_NOTIFICATION_START && + request != MEI_HBM_NOTIFICATION_STOP) + return -EINVAL; + + return mei_cl_notify_request(cl, file, (u8)request); } /** diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 5914263090fc..fe207e542032 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -47,13 +47,10 @@ #include "queue.h" MODULE_ALIAS("mmc:block"); - -#ifdef KERNEL #ifdef MODULE_PARAM_PREFIX #undef MODULE_PARAM_PREFIX #endif #define MODULE_PARAM_PREFIX "mmcblk." -#endif #define INAND_CMD38_ARG_EXT_CSD 113 #define INAND_CMD38_ARG_ERASE 0x00 @@ -655,8 +652,10 @@ static int mmc_blk_ioctl_multi_cmd(struct block_device *bdev, } md = mmc_blk_get(bdev->bd_disk); - if (!md) + if (!md) { + err = -EINVAL; goto cmd_err; + } card = md->queue.card; if (IS_ERR(card)) { diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 1c1b45ef3faf..3446097a43c0 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -925,6 +925,10 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, dma_addr = dma_map_page(dma_dev, sg_page(sg), 0, PAGE_SIZE, dir); + if (dma_mapping_error(dma_dev, dma_addr)) { + data->error = -EFAULT; + break; + } if (direction == DMA_TO_DEVICE) t->tx_dma = dma_addr + sg->offset; else @@ -1393,10 +1397,12 @@ static int mmc_spi_probe(struct spi_device *spi) host->dma_dev = dev; host->ones_dma = dma_map_single(dev, ones, MMC_SPI_BLOCKSIZE, DMA_TO_DEVICE); + if (dma_mapping_error(dev, host->ones_dma)) + goto fail_ones_dma; host->data_dma = dma_map_single(dev, host->data, sizeof(*host->data), DMA_BIDIRECTIONAL); - - /* REVISIT in theory those map operations can fail... */ + if (dma_mapping_error(dev, host->data_dma)) + goto fail_data_dma; dma_sync_single_for_cpu(host->dma_dev, host->data_dma, sizeof(*host->data), @@ -1462,6 +1468,11 @@ fail_glue_init: if (host->dma_dev) dma_unmap_single(host->dma_dev, host->data_dma, sizeof(*host->data), DMA_BIDIRECTIONAL); +fail_data_dma: + if (host->dma_dev) + dma_unmap_single(host->dma_dev, host->ones_dma, + MMC_SPI_BLOCKSIZE, DMA_TO_DEVICE); +fail_ones_dma: kfree(host->data); fail_nobuf1: diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index b6639ea0bf18..f6e4d9718035 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -2232,6 +2232,7 @@ err_irq: dma_release_channel(host->tx_chan); if (host->rx_chan) dma_release_channel(host->rx_chan); + pm_runtime_dont_use_autosuspend(host->dev); pm_runtime_put_sync(host->dev); pm_runtime_disable(host->dev); if (host->dbclk) @@ -2253,6 +2254,7 @@ static int omap_hsmmc_remove(struct platform_device *pdev) dma_release_channel(host->tx_chan); dma_release_channel(host->rx_chan); + pm_runtime_dont_use_autosuspend(host->dev); pm_runtime_put_sync(host->dev); pm_runtime_disable(host->dev); device_init_wakeup(&pdev->dev, false); diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index ce08896b9d69..da824772bbb4 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -86,7 +86,7 @@ struct pxamci_host { static inline void pxamci_init_ocr(struct pxamci_host *host) { #ifdef CONFIG_REGULATOR - host->vcc = regulator_get_optional(mmc_dev(host->mmc), "vmmc"); + host->vcc = devm_regulator_get_optional(mmc_dev(host->mmc), "vmmc"); if (IS_ERR(host->vcc)) host->vcc = NULL; @@ -654,12 +654,8 @@ static int pxamci_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (!r || irq < 0) - return -ENXIO; - - r = request_mem_region(r->start, SZ_4K, DRIVER_NAME); - if (!r) - return -EBUSY; + if (irq < 0) + return irq; mmc = mmc_alloc_host(sizeof(struct pxamci_host), &pdev->dev); if (!mmc) { @@ -695,7 +691,7 @@ static int pxamci_probe(struct platform_device *pdev) host->pdata = pdev->dev.platform_data; host->clkrt = CLKRT_OFF; - host->clk = clk_get(&pdev->dev, NULL); + host->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(host->clk)) { ret = PTR_ERR(host->clk); host->clk = NULL; @@ -727,9 +723,9 @@ static int pxamci_probe(struct platform_device *pdev) host->irq = irq; host->imask = MMC_I_MASK_ALL; - host->base = ioremap(r->start, SZ_4K); - if (!host->base) { - ret = -ENOMEM; + host->base = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(host->base)) { + ret = PTR_ERR(host->base); goto out; } @@ -742,7 +738,8 @@ static int pxamci_probe(struct platform_device *pdev) writel(64, host->base + MMC_RESTO); writel(host->imask, host->base + MMC_I_MASK); - ret = request_irq(host->irq, pxamci_irq, 0, DRIVER_NAME, host); + ret = devm_request_irq(&pdev->dev, host->irq, pxamci_irq, 0, + DRIVER_NAME, host); if (ret) goto out; @@ -804,7 +801,7 @@ static int pxamci_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed requesting gpio_ro %d\n", gpio_ro); goto out; } else { - mmc->caps |= host->pdata->gpio_card_ro_invert ? + mmc->caps2 |= host->pdata->gpio_card_ro_invert ? 0 : MMC_CAP2_RO_ACTIVE_HIGH; } @@ -833,14 +830,9 @@ out: dma_release_channel(host->dma_chan_rx); if (host->dma_chan_tx) dma_release_channel(host->dma_chan_tx); - if (host->base) - iounmap(host->base); - if (host->clk) - clk_put(host->clk); } if (mmc) mmc_free_host(mmc); - release_resource(r); return ret; } @@ -859,9 +851,6 @@ static int pxamci_remove(struct platform_device *pdev) gpio_ro = host->pdata->gpio_card_ro; gpio_power = host->pdata->gpio_power; } - if (host->vcc) - regulator_put(host->vcc); - if (host->pdata && host->pdata->exit) host->pdata->exit(&pdev->dev, mmc); @@ -870,16 +859,10 @@ static int pxamci_remove(struct platform_device *pdev) END_CMD_RES|PRG_DONE|DATA_TRAN_DONE, host->base + MMC_I_MASK); - free_irq(host->irq, host); dmaengine_terminate_all(host->dma_chan_rx); dmaengine_terminate_all(host->dma_chan_tx); dma_release_channel(host->dma_chan_rx); dma_release_channel(host->dma_chan_tx); - iounmap(host->base); - - clk_put(host->clk); - - release_resource(host->res); mmc_free_host(mmc); } diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index f6047fc94062..a5cda926d38e 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -146,6 +146,33 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = { .ops = &sdhci_acpi_ops_int, }; +static int bxt_get_cd(struct mmc_host *mmc) +{ + int gpio_cd = mmc_gpio_get_cd(mmc); + struct sdhci_host *host = mmc_priv(mmc); + unsigned long flags; + int ret = 0; + + if (!gpio_cd) + return 0; + + pm_runtime_get_sync(mmc->parent); + + spin_lock_irqsave(&host->lock, flags); + + if (host->flags & SDHCI_DEVICE_DEAD) + goto out; + + ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); +out: + spin_unlock_irqrestore(&host->lock, flags); + + pm_runtime_mark_last_busy(mmc->parent); + pm_runtime_put_autosuspend(mmc->parent); + + return ret; +} + static int sdhci_acpi_emmc_probe_slot(struct platform_device *pdev, const char *hid, const char *uid) { @@ -196,6 +223,9 @@ static int sdhci_acpi_sd_probe_slot(struct platform_device *pdev, /* Platform specific code during sd probe slot goes here */ + if (hid && !strcmp(hid, "80865ACA")) + host->mmc_host_ops.get_cd = bxt_get_cd; + return 0; } diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index 7e7d8f0c9438..9cb86fb25976 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -217,6 +217,7 @@ static int sdhci_at91_probe(struct platform_device *pdev) pm_runtime_disable: pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); clocks_disable_unprepare: clk_disable_unprepare(priv->gck); clk_disable_unprepare(priv->mainck); diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index cc851b065d0a..df3b8eced8c4 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -330,6 +330,33 @@ static void spt_read_drive_strength(struct sdhci_host *host) sdhci_pci_spt_drive_strength = 0x10 | ((val >> 12) & 0xf); } +static int bxt_get_cd(struct mmc_host *mmc) +{ + int gpio_cd = mmc_gpio_get_cd(mmc); + struct sdhci_host *host = mmc_priv(mmc); + unsigned long flags; + int ret = 0; + + if (!gpio_cd) + return 0; + + pm_runtime_get_sync(mmc->parent); + + spin_lock_irqsave(&host->lock, flags); + + if (host->flags & SDHCI_DEVICE_DEAD) + goto out; + + ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); +out: + spin_unlock_irqrestore(&host->lock, flags); + + pm_runtime_mark_last_busy(mmc->parent); + pm_runtime_put_autosuspend(mmc->parent); + + return ret; +} + static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) { slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | @@ -362,6 +389,10 @@ static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) slot->cd_con_id = NULL; slot->cd_idx = 0; slot->cd_override_level = true; + if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXT_SD || + slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD) + slot->host->mmc_host_ops.get_cd = bxt_get_cd; + return 0; } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index d622435d1bcc..add9fdfd1d8f 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1360,7 +1360,7 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) sdhci_runtime_pm_get(host); /* Firstly check card presence */ - present = sdhci_do_get_cd(host); + present = mmc->ops->get_cd(mmc); spin_lock_irqsave(&host->lock, flags); @@ -2849,6 +2849,8 @@ struct sdhci_host *sdhci_alloc_host(struct device *dev, host = mmc_priv(mmc); host->mmc = mmc; + host->mmc_host_ops = sdhci_ops; + mmc->ops = &host->mmc_host_ops; return host; } @@ -3037,7 +3039,6 @@ int sdhci_add_host(struct sdhci_host *host) /* * Set host parameters. */ - mmc->ops = &sdhci_ops; max_clk = host->max_clk; if (host->ops->get_min_clock) diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 7654ae5d2b4e..0115e9907bf8 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -430,6 +430,7 @@ struct sdhci_host { /* Internal data */ struct mmc_host *mmc; /* MMC structure */ + struct mmc_host_ops mmc_host_ops; /* MMC host ops */ u64 dma_mask; /* custom DMA mask */ #if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 1ca8a1359cbc..6234eab38ff3 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -445,7 +445,7 @@ static void sh_mmcif_request_dma(struct sh_mmcif_host *host) pdata->slave_id_rx); } else { host->chan_tx = dma_request_slave_channel(dev, "tx"); - host->chan_tx = dma_request_slave_channel(dev, "rx"); + host->chan_rx = dma_request_slave_channel(dev, "rx"); } dev_dbg(dev, "%s: got channel TX %p RX %p\n", __func__, host->chan_tx, host->chan_rx); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 56b560558884..b7f1a9919033 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -214,6 +214,8 @@ static void bond_uninit(struct net_device *bond_dev); static struct rtnl_link_stats64 *bond_get_stats(struct net_device *bond_dev, struct rtnl_link_stats64 *stats); static void bond_slave_arr_handler(struct work_struct *work); +static bool bond_time_in_interval(struct bonding *bond, unsigned long last_act, + int mod); /*---------------------------- General routines -----------------------------*/ @@ -2127,6 +2129,7 @@ static void bond_miimon_commit(struct bonding *bond) continue; case BOND_LINK_UP: + bond_update_speed_duplex(slave); bond_set_slave_link_state(slave, BOND_LINK_UP, BOND_SLAVE_NOTIFY_NOW); slave->last_link_up = jiffies; @@ -2459,7 +2462,7 @@ int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, struct slave *slave) { struct arphdr *arp = (struct arphdr *)skb->data; - struct slave *curr_active_slave; + struct slave *curr_active_slave, *curr_arp_slave; unsigned char *arp_ptr; __be32 sip, tip; int alen, is_arp = skb->protocol == __cpu_to_be16(ETH_P_ARP); @@ -2506,26 +2509,41 @@ int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, &sip, &tip); curr_active_slave = rcu_dereference(bond->curr_active_slave); + curr_arp_slave = rcu_dereference(bond->current_arp_slave); - /* Backup slaves won't see the ARP reply, but do come through - * here for each ARP probe (so we swap the sip/tip to validate - * the probe). In a "redundant switch, common router" type of - * configuration, the ARP probe will (hopefully) travel from - * the active, through one switch, the router, then the other - * switch before reaching the backup. + /* We 'trust' the received ARP enough to validate it if: + * + * (a) the slave receiving the ARP is active (which includes the + * current ARP slave, if any), or + * + * (b) the receiving slave isn't active, but there is a currently + * active slave and it received valid arp reply(s) after it became + * the currently active slave, or + * + * (c) there is an ARP slave that sent an ARP during the prior ARP + * interval, and we receive an ARP reply on any slave. We accept + * these because switch FDB update delays may deliver the ARP + * reply to a slave other than the sender of the ARP request. * - * We 'trust' the arp requests if there is an active slave and - * it received valid arp reply(s) after it became active. This - * is done to avoid endless looping when we can't reach the + * Note: for (b), backup slaves are receiving the broadcast ARP + * request, not a reply. This request passes from the sending + * slave through the L2 switch(es) to the receiving slave. Since + * this is checking the request, sip/tip are swapped for + * validation. + * + * This is done to avoid endless looping when we can't reach the * arp_ip_target and fool ourselves with our own arp requests. */ - if (bond_is_active_slave(slave)) bond_validate_arp(bond, slave, sip, tip); else if (curr_active_slave && time_after(slave_last_rx(bond, curr_active_slave), curr_active_slave->last_link_up)) bond_validate_arp(bond, slave, tip, sip); + else if (curr_arp_slave && (arp->ar_op == htons(ARPOP_REPLY)) && + bond_time_in_interval(bond, + dev_trans_start(curr_arp_slave->dev), 1)) + bond_validate_arp(bond, slave, sip, tip); out_unlock: if (arp != (struct arphdr *)skb->data) diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index fc5b75675cd8..eb7192fab593 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -117,6 +117,9 @@ MODULE_LICENSE("GPL v2"); */ #define EMS_USB_ARM7_CLOCK 8000000 +#define CPC_TX_QUEUE_TRIGGER_LOW 25 +#define CPC_TX_QUEUE_TRIGGER_HIGH 35 + /* * CAN-Message representation in a CPC_MSG. Message object type is * CPC_MSG_TYPE_CAN_FRAME or CPC_MSG_TYPE_RTR_FRAME or @@ -278,6 +281,11 @@ static void ems_usb_read_interrupt_callback(struct urb *urb) switch (urb->status) { case 0: dev->free_slots = dev->intr_in_buffer[1]; + if(dev->free_slots > CPC_TX_QUEUE_TRIGGER_HIGH){ + if (netif_queue_stopped(netdev)){ + netif_wake_queue(netdev); + } + } break; case -ECONNRESET: /* unlink */ @@ -526,8 +534,6 @@ static void ems_usb_write_bulk_callback(struct urb *urb) /* Release context */ context->echo_index = MAX_TX_URBS; - if (netif_queue_stopped(netdev)) - netif_wake_queue(netdev); } /* @@ -587,7 +593,7 @@ static int ems_usb_start(struct ems_usb *dev) int err, i; dev->intr_in_buffer[0] = 0; - dev->free_slots = 15; /* initial size */ + dev->free_slots = 50; /* initial size */ for (i = 0; i < MAX_RX_URBS; i++) { struct urb *urb = NULL; @@ -835,7 +841,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne /* Slow down tx path */ if (atomic_read(&dev->active_tx_urbs) >= MAX_TX_URBS || - dev->free_slots < 5) { + dev->free_slots < CPC_TX_QUEUE_TRIGGER_LOW) { netif_stop_queue(netdev); } } diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c index cc6c54553418..a47f52f44b0d 100644 --- a/drivers/net/dsa/mv88e6352.c +++ b/drivers/net/dsa/mv88e6352.c @@ -25,6 +25,7 @@ static const struct mv88e6xxx_switch_id mv88e6352_table[] = { { PORT_SWITCH_ID_6172, "Marvell 88E6172" }, { PORT_SWITCH_ID_6176, "Marvell 88E6176" }, + { PORT_SWITCH_ID_6240, "Marvell 88E6240" }, { PORT_SWITCH_ID_6320, "Marvell 88E6320" }, { PORT_SWITCH_ID_6320_A1, "Marvell 88E6320 (A1)" }, { PORT_SWITCH_ID_6320_A2, "Marvell 88e6320 (A2)" }, diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 9fe33fc3c2b9..512c8c0be1b4 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -1532,7 +1532,7 @@ int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, /* no PVID with ranges, otherwise it's a bug */ if (pvid) - err = _mv88e6xxx_port_pvid_set(ds, port, vid); + err = _mv88e6xxx_port_pvid_set(ds, port, vlan->vid_end); unlock: mutex_unlock(&ps->smi_mutex); @@ -1555,7 +1555,7 @@ static int _mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, u16 vid) if (vlan.vid != vid || !vlan.valid || vlan.data[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER) - return -ENOENT; + return -EOPNOTSUPP; vlan.data[port] = GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER; @@ -1582,6 +1582,7 @@ int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); + const u16 defpvid = 4000 + ds->index * DSA_MAX_PORTS + port; u16 pvid, vid; int err = 0; @@ -1597,7 +1598,8 @@ int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, goto unlock; if (vid == pvid) { - err = _mv88e6xxx_port_pvid_set(ds, port, 0); + /* restore reserved VLAN ID */ + err = _mv88e6xxx_port_pvid_set(ds, port, defpvid); if (err) goto unlock; } @@ -1889,26 +1891,20 @@ unlock: int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port, u32 members) { - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - const u16 pvid = 4000 + ds->index * DSA_MAX_PORTS + port; - int err; - - /* The port joined a bridge, so leave its reserved VLAN */ - mutex_lock(&ps->smi_mutex); - err = _mv88e6xxx_port_vlan_del(ds, port, pvid); - if (!err) - err = _mv88e6xxx_port_pvid_set(ds, port, 0); - mutex_unlock(&ps->smi_mutex); - return err; + return 0; } int mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port, u32 members) { + return 0; +} + +static int mv88e6xxx_setup_port_default_vlan(struct dsa_switch *ds, int port) +{ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); const u16 pvid = 4000 + ds->index * DSA_MAX_PORTS + port; int err; - /* The port left the bridge, so join its reserved VLAN */ mutex_lock(&ps->smi_mutex); err = _mv88e6xxx_port_vlan_add(ds, port, pvid, true); if (!err) @@ -2163,7 +2159,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port) * database, and allow every port to egress frames on all other ports. */ reg = BIT(ps->num_ports) - 1; /* all ports */ - ret = _mv88e6xxx_port_vlan_map_set(ds, port, reg & ~port); + reg &= ~BIT(port); /* except itself */ + ret = _mv88e6xxx_port_vlan_map_set(ds, port, reg); if (ret) goto abort; @@ -2191,8 +2188,7 @@ int mv88e6xxx_setup_ports(struct dsa_switch *ds) if (dsa_is_cpu_port(ds, i) || dsa_is_dsa_port(ds, i)) continue; - /* setup the unbridged state */ - ret = mv88e6xxx_port_bridge_leave(ds, i, 0); + ret = mv88e6xxx_setup_port_default_vlan(ds, i); if (ret < 0) return ret; } diff --git a/drivers/net/ethernet/8390/pcnet_cs.c b/drivers/net/ethernet/8390/pcnet_cs.c index 2777289a26c0..2f79d29f17f2 100644 --- a/drivers/net/ethernet/8390/pcnet_cs.c +++ b/drivers/net/ethernet/8390/pcnet_cs.c @@ -1501,6 +1501,7 @@ static const struct pcmcia_device_id pcnet_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030a), PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1103), PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1121), + PCMCIA_DEVICE_MANF_CARD(0xc001, 0x0009), PCMCIA_DEVICE_PROD_ID12("2408LAN", "Ethernet", 0x352fff7f, 0x00b2e941), PCMCIA_DEVICE_PROD_ID1234("Socket", "CF 10/100 Ethernet Card", "Revision B", "05/11/06", 0xb38bcc2e, 0x4de88352, 0xeaca6c8d, 0x7e57c22e), PCMCIA_DEVICE_PROD_ID123("Cardwell", "PCMCIA", "ETHERNET", 0x9533672e, 0x281f1c5d, 0x3ff7175b), diff --git a/drivers/net/ethernet/agere/et131x.c b/drivers/net/ethernet/agere/et131x.c index 3f3bcbea15bd..0907ab6ff309 100644 --- a/drivers/net/ethernet/agere/et131x.c +++ b/drivers/net/ethernet/agere/et131x.c @@ -2380,7 +2380,7 @@ static int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) sizeof(u32), &tx_ring->tx_status_pa, GFP_KERNEL); - if (!tx_ring->tx_status_pa) { + if (!tx_ring->tx_status) { dev_err(&adapter->pdev->dev, "Cannot alloc memory for Tx status block\n"); return -ENOMEM; diff --git a/drivers/net/ethernet/amd/am79c961a.c b/drivers/net/ethernet/amd/am79c961a.c index 87e727b921dc..fcdf5dda448f 100644 --- a/drivers/net/ethernet/amd/am79c961a.c +++ b/drivers/net/ethernet/amd/am79c961a.c @@ -50,8 +50,8 @@ static const char version[] = static void write_rreg(u_long base, u_int reg, u_int val) { asm volatile( - "str%?h %1, [%2] @ NET_RAP\n\t" - "str%?h %0, [%2, #-4] @ NET_RDP" + "strh %1, [%2] @ NET_RAP\n\t" + "strh %0, [%2, #-4] @ NET_RDP" : : "r" (val), "r" (reg), "r" (ISAIO_BASE + 0x0464)); } @@ -60,8 +60,8 @@ static inline unsigned short read_rreg(u_long base_addr, u_int reg) { unsigned short v; asm volatile( - "str%?h %1, [%2] @ NET_RAP\n\t" - "ldr%?h %0, [%2, #-4] @ NET_RDP" + "strh %1, [%2] @ NET_RAP\n\t" + "ldrh %0, [%2, #-4] @ NET_RDP" : "=r" (v) : "r" (reg), "r" (ISAIO_BASE + 0x0464)); return v; @@ -70,8 +70,8 @@ static inline unsigned short read_rreg(u_long base_addr, u_int reg) static inline void write_ireg(u_long base, u_int reg, u_int val) { asm volatile( - "str%?h %1, [%2] @ NET_RAP\n\t" - "str%?h %0, [%2, #8] @ NET_IDP" + "strh %1, [%2] @ NET_RAP\n\t" + "strh %0, [%2, #8] @ NET_IDP" : : "r" (val), "r" (reg), "r" (ISAIO_BASE + 0x0464)); } @@ -80,8 +80,8 @@ static inline unsigned short read_ireg(u_long base_addr, u_int reg) { u_short v; asm volatile( - "str%?h %1, [%2] @ NAT_RAP\n\t" - "ldr%?h %0, [%2, #8] @ NET_IDP\n\t" + "strh %1, [%2] @ NAT_RAP\n\t" + "ldrh %0, [%2, #8] @ NET_IDP\n\t" : "=r" (v) : "r" (reg), "r" (ISAIO_BASE + 0x0464)); return v; @@ -96,7 +96,7 @@ am_writebuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigne offset = ISAMEM_BASE + (offset << 1); length = (length + 1) & ~1; if ((int)buf & 2) { - asm volatile("str%?h %2, [%0], #4" + asm volatile("strh %2, [%0], #4" : "=&r" (offset) : "0" (offset), "r" (buf[0] | (buf[1] << 8))); buf += 2; length -= 2; @@ -104,20 +104,20 @@ am_writebuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigne while (length > 8) { register unsigned int tmp asm("r2"), tmp2 asm("r3"); asm volatile( - "ldm%?ia %0!, {%1, %2}" + "ldmia %0!, {%1, %2}" : "+r" (buf), "=&r" (tmp), "=&r" (tmp2)); length -= 8; asm volatile( - "str%?h %1, [%0], #4\n\t" - "mov%? %1, %1, lsr #16\n\t" - "str%?h %1, [%0], #4\n\t" - "str%?h %2, [%0], #4\n\t" - "mov%? %2, %2, lsr #16\n\t" - "str%?h %2, [%0], #4" + "strh %1, [%0], #4\n\t" + "mov %1, %1, lsr #16\n\t" + "strh %1, [%0], #4\n\t" + "strh %2, [%0], #4\n\t" + "mov %2, %2, lsr #16\n\t" + "strh %2, [%0], #4" : "+r" (offset), "=&r" (tmp), "=&r" (tmp2)); } while (length > 0) { - asm volatile("str%?h %2, [%0], #4" + asm volatile("strh %2, [%0], #4" : "=&r" (offset) : "0" (offset), "r" (buf[0] | (buf[1] << 8))); buf += 2; length -= 2; @@ -132,23 +132,23 @@ am_readbuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigned if ((int)buf & 2) { unsigned int tmp; asm volatile( - "ldr%?h %2, [%0], #4\n\t" - "str%?b %2, [%1], #1\n\t" - "mov%? %2, %2, lsr #8\n\t" - "str%?b %2, [%1], #1" + "ldrh %2, [%0], #4\n\t" + "strb %2, [%1], #1\n\t" + "mov %2, %2, lsr #8\n\t" + "strb %2, [%1], #1" : "=&r" (offset), "=&r" (buf), "=r" (tmp): "0" (offset), "1" (buf)); length -= 2; } while (length > 8) { register unsigned int tmp asm("r2"), tmp2 asm("r3"), tmp3; asm volatile( - "ldr%?h %2, [%0], #4\n\t" - "ldr%?h %4, [%0], #4\n\t" - "ldr%?h %3, [%0], #4\n\t" - "orr%? %2, %2, %4, lsl #16\n\t" - "ldr%?h %4, [%0], #4\n\t" - "orr%? %3, %3, %4, lsl #16\n\t" - "stm%?ia %1!, {%2, %3}" + "ldrh %2, [%0], #4\n\t" + "ldrh %4, [%0], #4\n\t" + "ldrh %3, [%0], #4\n\t" + "orr %2, %2, %4, lsl #16\n\t" + "ldrh %4, [%0], #4\n\t" + "orr %3, %3, %4, lsl #16\n\t" + "stmia %1!, {%2, %3}" : "=&r" (offset), "=&r" (buf), "=r" (tmp), "=r" (tmp2), "=r" (tmp3) : "0" (offset), "1" (buf)); length -= 8; @@ -156,10 +156,10 @@ am_readbuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigned while (length > 0) { unsigned int tmp; asm volatile( - "ldr%?h %2, [%0], #4\n\t" - "str%?b %2, [%1], #1\n\t" - "mov%? %2, %2, lsr #8\n\t" - "str%?b %2, [%1], #1" + "ldrh %2, [%0], #4\n\t" + "strb %2, [%1], #1\n\t" + "mov %2, %2, lsr #8\n\t" + "strb %2, [%1], #1" : "=&r" (offset), "=&r" (buf), "=r" (tmp) : "0" (offset), "1" (buf)); length -= 2; } diff --git a/drivers/net/ethernet/amd/lance.c b/drivers/net/ethernet/amd/lance.c index 256f590f6bb1..3a7ebfdda57d 100644 --- a/drivers/net/ethernet/amd/lance.c +++ b/drivers/net/ethernet/amd/lance.c @@ -547,8 +547,8 @@ static int __init lance_probe1(struct net_device *dev, int ioaddr, int irq, int /* Make certain the data structures used by the LANCE are aligned and DMAble. */ lp = kzalloc(sizeof(*lp), GFP_DMA | GFP_KERNEL); - if(lp==NULL) - return -ENODEV; + if (!lp) + return -ENOMEM; if (lance_debug > 6) printk(" (#0x%05lx)", (unsigned long)lp); dev->ml_priv = lp; lp->name = chipname; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index a4799c1fc7d4..5eb9b20c0eea 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -628,6 +628,7 @@ static int xgene_enet_register_irq(struct net_device *ndev) int ret; ring = pdata->rx_ring; + irq_set_status_flags(ring->irq, IRQ_DISABLE_UNLAZY); ret = devm_request_irq(dev, ring->irq, xgene_enet_rx_irq, IRQF_SHARED, ring->irq_name, ring); if (ret) @@ -635,6 +636,7 @@ static int xgene_enet_register_irq(struct net_device *ndev) if (pdata->cq_cnt) { ring = pdata->tx_ring->cp_ring; + irq_set_status_flags(ring->irq, IRQ_DISABLE_UNLAZY); ret = devm_request_irq(dev, ring->irq, xgene_enet_rx_irq, IRQF_SHARED, ring->irq_name, ring); if (ret) { @@ -649,15 +651,19 @@ static int xgene_enet_register_irq(struct net_device *ndev) static void xgene_enet_free_irq(struct net_device *ndev) { struct xgene_enet_pdata *pdata; + struct xgene_enet_desc_ring *ring; struct device *dev; pdata = netdev_priv(ndev); dev = ndev_to_dev(ndev); - devm_free_irq(dev, pdata->rx_ring->irq, pdata->rx_ring); + ring = pdata->rx_ring; + irq_clear_status_flags(ring->irq, IRQ_DISABLE_UNLAZY); + devm_free_irq(dev, ring->irq, ring); if (pdata->cq_cnt) { - devm_free_irq(dev, pdata->tx_ring->cp_ring->irq, - pdata->tx_ring->cp_ring); + ring = pdata->tx_ring->cp_ring; + irq_clear_status_flags(ring->irq, IRQ_DISABLE_UNLAZY); + devm_free_irq(dev, ring->irq, ring); } } diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h index 70d5b62c125a..248dfc40a761 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h @@ -25,6 +25,7 @@ #include <linux/acpi.h> #include <linux/clk.h> #include <linux/efi.h> +#include <linux/irq.h> #include <linux/io.h> #include <linux/of_platform.h> #include <linux/of_net.h> diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index abe1eabc0171..6446af1403f7 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -163,7 +163,7 @@ static void arc_emac_tx_clean(struct net_device *ndev) struct sk_buff *skb = tx_buff->skb; unsigned int info = le32_to_cpu(txbd->info); - if ((info & FOR_EMAC) || !txbd->data) + if ((info & FOR_EMAC) || !txbd->data || !skb) break; if (unlikely(info & (DROP | DEFR | LTCL | UFLO))) { @@ -191,6 +191,7 @@ static void arc_emac_tx_clean(struct net_device *ndev) txbd->data = 0; txbd->info = 0; + tx_buff->skb = NULL; *txbd_dirty = (*txbd_dirty + 1) % TX_BD_NUM; } @@ -446,6 +447,9 @@ static int arc_emac_open(struct net_device *ndev) *last_rx_bd = (*last_rx_bd + 1) % RX_BD_NUM; } + priv->txbd_curr = 0; + priv->txbd_dirty = 0; + /* Clean Tx BD's */ memset(priv->txbd, 0, TX_RING_SZ); @@ -514,6 +518,64 @@ static void arc_emac_set_rx_mode(struct net_device *ndev) } /** + * arc_free_tx_queue - free skb from tx queue + * @ndev: Pointer to the network device. + * + * This function must be called while EMAC disable + */ +static void arc_free_tx_queue(struct net_device *ndev) +{ + struct arc_emac_priv *priv = netdev_priv(ndev); + unsigned int i; + + for (i = 0; i < TX_BD_NUM; i++) { + struct arc_emac_bd *txbd = &priv->txbd[i]; + struct buffer_state *tx_buff = &priv->tx_buff[i]; + + if (tx_buff->skb) { + dma_unmap_single(&ndev->dev, dma_unmap_addr(tx_buff, addr), + dma_unmap_len(tx_buff, len), DMA_TO_DEVICE); + + /* return the sk_buff to system */ + dev_kfree_skb_irq(tx_buff->skb); + } + + txbd->info = 0; + txbd->data = 0; + tx_buff->skb = NULL; + } +} + +/** + * arc_free_rx_queue - free skb from rx queue + * @ndev: Pointer to the network device. + * + * This function must be called while EMAC disable + */ +static void arc_free_rx_queue(struct net_device *ndev) +{ + struct arc_emac_priv *priv = netdev_priv(ndev); + unsigned int i; + + for (i = 0; i < RX_BD_NUM; i++) { + struct arc_emac_bd *rxbd = &priv->rxbd[i]; + struct buffer_state *rx_buff = &priv->rx_buff[i]; + + if (rx_buff->skb) { + dma_unmap_single(&ndev->dev, dma_unmap_addr(rx_buff, addr), + dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE); + + /* return the sk_buff to system */ + dev_kfree_skb_irq(rx_buff->skb); + } + + rxbd->info = 0; + rxbd->data = 0; + rx_buff->skb = NULL; + } +} + +/** * arc_emac_stop - Close the network device. * @ndev: Pointer to the network device. * @@ -534,6 +596,10 @@ static int arc_emac_stop(struct net_device *ndev) /* Disable EMAC */ arc_reg_clr(priv, R_CTRL, EN_MASK); + /* Return the sk_buff to system */ + arc_free_tx_queue(ndev); + arc_free_rx_queue(ndev); + return 0; } @@ -610,7 +676,6 @@ static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) dma_unmap_addr_set(&priv->tx_buff[*txbd_curr], addr, addr); dma_unmap_len_set(&priv->tx_buff[*txbd_curr], len, len); - priv->tx_buff[*txbd_curr].skb = skb; priv->txbd[*txbd_curr].data = cpu_to_le32(addr); /* Make sure pointer to data buffer is set */ @@ -620,6 +685,11 @@ static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) *info = cpu_to_le32(FOR_EMAC | FIRST_OR_LAST_MASK | len); + /* Make sure info word is set */ + wmb(); + + priv->tx_buff[*txbd_curr].skb = skb; + /* Increment index to point to the next BD */ *txbd_curr = (*txbd_curr + 1) % TX_BD_NUM; diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c index ecc4a334c507..f71ab2647a3b 100644 --- a/drivers/net/ethernet/aurora/nb8800.c +++ b/drivers/net/ethernet/aurora/nb8800.c @@ -302,7 +302,7 @@ static int nb8800_poll(struct napi_struct *napi, int budget) nb8800_tx_done(dev); again: - while (work < budget) { + do { struct nb8800_rx_buf *rxb; unsigned int len; @@ -330,7 +330,7 @@ again: rxd->report = 0; last = next; work++; - } + } while (work < budget); if (work) { priv->rx_descs[last].desc.config |= DESC_EOC; diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index 8550df189ceb..19f7cd02e085 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -151,8 +151,11 @@ config BNX2X_VXLAN config BGMAC tristate "BCMA bus GBit core support" - depends on BCMA_HOST_SOC && HAS_DMA && (BCM47XX || ARCH_BCM_5301X) + depends on BCMA && BCMA_HOST_SOC + depends on HAS_DMA + depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST select PHYLIB + select FIXED_PHY ---help--- This driver supports GBit MAC and BCM4706 GBit MAC cores on BCMA bus. They can be found on BCM47xx SoCs and provide gigabit ethernet. diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index d946bba43726..1fb80100e5e7 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -6185,26 +6185,80 @@ static int bnx2x_format_ver(u32 num, u8 *str, u16 *len) shift -= 4; digit = ((num & mask) >> shift); if (digit == 0 && remove_leading_zeros) { - mask = mask >> 4; - continue; - } else if (digit < 0xa) - *str_ptr = digit + '0'; - else - *str_ptr = digit - 0xa + 'a'; - remove_leading_zeros = 0; - str_ptr++; - (*len)--; + *str_ptr = '0'; + } else { + if (digit < 0xa) + *str_ptr = digit + '0'; + else + *str_ptr = digit - 0xa + 'a'; + + remove_leading_zeros = 0; + str_ptr++; + (*len)--; + } mask = mask >> 4; if (shift == 4*4) { + if (remove_leading_zeros) { + str_ptr++; + (*len)--; + } *str_ptr = '.'; str_ptr++; (*len)--; remove_leading_zeros = 1; } } + if (remove_leading_zeros) + (*len)--; return 0; } +static int bnx2x_3_seq_format_ver(u32 num, u8 *str, u16 *len) +{ + u8 *str_ptr = str; + u32 mask = 0x00f00000; + u8 shift = 8*3; + u8 digit; + u8 remove_leading_zeros = 1; + + if (*len < 10) { + /* Need more than 10chars for this format */ + *str_ptr = '\0'; + (*len)--; + return -EINVAL; + } + + while (shift > 0) { + shift -= 4; + digit = ((num & mask) >> shift); + if (digit == 0 && remove_leading_zeros) { + *str_ptr = '0'; + } else { + if (digit < 0xa) + *str_ptr = digit + '0'; + else + *str_ptr = digit - 0xa + 'a'; + + remove_leading_zeros = 0; + str_ptr++; + (*len)--; + } + mask = mask >> 4; + if ((shift == 4*4) || (shift == 4*2)) { + if (remove_leading_zeros) { + str_ptr++; + (*len)--; + } + *str_ptr = '.'; + str_ptr++; + (*len)--; + remove_leading_zeros = 1; + } + } + if (remove_leading_zeros) + (*len)--; + return 0; +} static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len) { @@ -9677,8 +9731,9 @@ static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, if (bnx2x_is_8483x_8485x(phy)) { bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1); - bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff, - phy->ver_addr); + if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) + fw_ver1 &= 0xfff; + bnx2x_save_spirom_version(bp, port, fw_ver1, phy->ver_addr); } else { /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */ /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ @@ -9732,16 +9787,32 @@ static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, static void bnx2x_848xx_set_led(struct bnx2x *bp, struct bnx2x_phy *phy) { - u16 val, offset, i; + u16 val, led3_blink_rate, offset, i; static struct bnx2x_reg_set reg_set[] = { {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080}, {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018}, {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006}, - {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000}, {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH, MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ}, {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD} }; + + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) { + /* Set LED5 source */ + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED5_MASK, + 0x90); + led3_blink_rate = 0x000f; + } else { + led3_blink_rate = 0x0000; + } + /* Set LED3 BLINK */ + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED3_BLINK, + led3_blink_rate); + /* PHYC_CTL_LED_CTL */ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, @@ -9749,6 +9820,9 @@ static void bnx2x_848xx_set_led(struct bnx2x *bp, val &= 0xFE00; val |= 0x0092; + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) + val |= 2 << 12; /* LED5 ON based on source */ + bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LINK_SIGNAL, val); @@ -9762,10 +9836,17 @@ static void bnx2x_848xx_set_led(struct bnx2x *bp, else offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1; - /* stretch_en for LED3*/ + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) + val = MDIO_PMA_REG_84858_ALLOW_GPHY_ACT | + MDIO_PMA_REG_84823_LED3_STRETCH_EN; + else + val = MDIO_PMA_REG_84823_LED3_STRETCH_EN; + + /* stretch_en for LEDs */ bnx2x_cl45_read_or_write(bp, phy, - MDIO_PMA_DEVAD, offset, - MDIO_PMA_REG_84823_LED3_STRETCH_EN); + MDIO_PMA_DEVAD, + offset, + val); } static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy, @@ -9775,7 +9856,7 @@ static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy, struct bnx2x *bp = params->bp; switch (action) { case PHY_INIT: - if (!bnx2x_is_8483x_8485x(phy)) { + if (bnx2x_is_8483x_8485x(phy)) { /* Save spirom version */ bnx2x_save_848xx_spirom_version(phy, bp, params->port); } @@ -10036,15 +10117,20 @@ static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy, static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy, struct link_params *params, u16 fw_cmd, - u16 cmd_args[], int argc) + u16 cmd_args[], int argc, int process) { int idx; u16 val; struct bnx2x *bp = params->bp; - /* Write CMD_OPEN_OVERRIDE to STATUS reg */ - bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, - MDIO_848xx_CMD_HDLR_STATUS, - PHY84833_STATUS_CMD_OPEN_OVERRIDE); + int rc = 0; + + if (process == PHY84833_MB_PROCESS2) { + /* Write CMD_OPEN_OVERRIDE to STATUS reg */ + bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, + MDIO_848xx_CMD_HDLR_STATUS, + PHY84833_STATUS_CMD_OPEN_OVERRIDE); + } + for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) { bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, MDIO_848xx_CMD_HDLR_STATUS, &val); @@ -10054,15 +10140,27 @@ static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy, } if (idx >= PHY848xx_CMDHDLR_WAIT) { DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n"); + /* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR + * clear the status to CMD_CLEAR_COMPLETE + */ + if (val == PHY84833_STATUS_CMD_COMPLETE_PASS || + val == PHY84833_STATUS_CMD_COMPLETE_ERROR) { + bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, + MDIO_848xx_CMD_HDLR_STATUS, + PHY84833_STATUS_CMD_CLEAR_COMPLETE); + } return -EINVAL; } - - /* Prepare argument(s) and issue command */ - for (idx = 0; idx < argc; idx++) { - bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, - MDIO_848xx_CMD_HDLR_DATA1 + idx, - cmd_args[idx]); + if (process == PHY84833_MB_PROCESS1 || + process == PHY84833_MB_PROCESS2) { + /* Prepare argument(s) */ + for (idx = 0; idx < argc; idx++) { + bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, + MDIO_848xx_CMD_HDLR_DATA1 + idx, + cmd_args[idx]); + } } + bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd); for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) { @@ -10076,24 +10174,30 @@ static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy, if ((idx >= PHY848xx_CMDHDLR_WAIT) || (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) { DP(NETIF_MSG_LINK, "FW cmd failed.\n"); - return -EINVAL; + rc = -EINVAL; } - /* Gather returning data */ - for (idx = 0; idx < argc; idx++) { - bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, - MDIO_848xx_CMD_HDLR_DATA1 + idx, - &cmd_args[idx]); + if (process == PHY84833_MB_PROCESS3 && rc == 0) { + /* Gather returning data */ + for (idx = 0; idx < argc; idx++) { + bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, + MDIO_848xx_CMD_HDLR_DATA1 + idx, + &cmd_args[idx]); + } } - bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, - MDIO_848xx_CMD_HDLR_STATUS, - PHY84833_STATUS_CMD_CLEAR_COMPLETE); - return 0; + if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR || + val == PHY84833_STATUS_CMD_COMPLETE_PASS) { + bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, + MDIO_848xx_CMD_HDLR_STATUS, + PHY84833_STATUS_CMD_CLEAR_COMPLETE); + } + return rc; } static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy, struct link_params *params, u16 fw_cmd, - u16 cmd_args[], int argc) + u16 cmd_args[], int argc, + int process) { struct bnx2x *bp = params->bp; @@ -10106,7 +10210,7 @@ static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy, argc); } else { return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args, - argc); + argc, process); } } @@ -10133,7 +10237,7 @@ static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy, status = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_PAIR_SWAP, data, - PHY848xx_CMDHDLR_MAX_ARGS); + 2, PHY84833_MB_PROCESS2); if (status == 0) DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]); @@ -10222,8 +10326,8 @@ static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy, DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n"); /* Prevent Phy from working in EEE and advertising it */ - rc = bnx2x_848xx_cmd_hdlr(phy, params, - PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1); + rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE, + &cmd_args, 1, PHY84833_MB_PROCESS1); if (rc) { DP(NETIF_MSG_LINK, "EEE disable failed.\n"); return rc; @@ -10240,8 +10344,8 @@ static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy, struct bnx2x *bp = params->bp; u16 cmd_args = 1; - rc = bnx2x_848xx_cmd_hdlr(phy, params, - PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1); + rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE, + &cmd_args, 1, PHY84833_MB_PROCESS1); if (rc) { DP(NETIF_MSG_LINK, "EEE enable failed.\n"); return rc; @@ -10362,7 +10466,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, cmd_args[3] = PHY84833_CONSTANT_LATENCY; rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE, cmd_args, - PHY848xx_CMDHDLR_MAX_ARGS); + 4, PHY84833_MB_PROCESS1); if (rc) DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n"); } @@ -10416,6 +10520,32 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK; } + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { + /* Additional settings for jumbo packets in 1000BASE-T mode */ + /* Allow rx extended length */ + bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_AUX_CTRL, &val); + val |= 0x4000; + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_AUX_CTRL, val); + /* TX FIFO Elasticity LSB */ + bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_1G_100T_EXT_CTRL, &val); + val |= 0x1; + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_1G_100T_EXT_CTRL, val); + /* TX FIFO Elasticity MSB */ + /* Enable expansion register 0x46 (Pattern Generator status) */ + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf46); + + bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, &val); + val |= 0x4000; + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, val); + } + if (bnx2x_is_8483x_8485x(phy)) { /* Bring PHY out of super isolate mode as the final step. */ bnx2x_cl45_read_and_write(bp, phy, @@ -10555,6 +10685,17 @@ static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, return link_up; } +static int bnx2x_8485x_format_ver(u32 raw_ver, u8 *str, u16 *len) +{ + int status = 0; + u32 num; + + num = ((raw_ver & 0xF80) >> 7) << 16 | ((raw_ver & 0x7F) << 8) | + ((raw_ver & 0xF000) >> 12); + status = bnx2x_3_seq_format_ver(num, str, len); + return status; +} + static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len) { int status = 0; @@ -10651,10 +10792,25 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, 0x0); } else { + /* LED 1 OFF */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0); + + if (phy->type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) { + /* LED 2 OFF */ + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED2_MASK, + 0x0); + /* LED 3 OFF */ + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED3_MASK, + 0x0); + } } break; case LED_MODE_FRONT_PANEL_OFF: @@ -10713,6 +10869,19 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, MDIO_PMA_REG_8481_SIGNAL_MASK, 0x0); } + if (phy->type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) { + /* LED 2 OFF */ + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED2_MASK, + 0x0); + /* LED 3 OFF */ + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED3_MASK, + 0x0); + } } break; case LED_MODE_ON: @@ -10776,6 +10945,25 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, params->port*4, NIG_MASK_MI_INT); } + } + if (phy->type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) { + /* Tell LED3 to constant on */ + bnx2x_cl45_read(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LINK_SIGNAL, + &val); + val &= ~(7<<6); + val |= (2<<6); /* A83B[8:6]= 2 */ + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LINK_SIGNAL, + val); + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED3_MASK, + 0x20); + } else { bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_SIGNAL_MASK, @@ -10854,6 +11042,17 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, MDIO_PMA_REG_8481_LINK_SIGNAL, val); if (phy->type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) { + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED2_MASK, + 0x18); + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, + MDIO_PMA_REG_8481_LED3_MASK, + 0x06); + } + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { /* Restore LED4 source to external link, * and re-enable interrupts. @@ -11982,7 +12181,7 @@ static const struct bnx2x_phy phy_84858 = { .read_status = (read_status_t)bnx2x_848xx_read_status, .link_reset = (link_reset_t)bnx2x_848x3_link_reset, .config_loopback = (config_loopback_t)NULL, - .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, + .format_fw_ver = (format_fw_ver_t)bnx2x_8485x_format_ver, .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func @@ -13807,8 +14006,10 @@ void bnx2x_period_func(struct link_params *params, struct link_vars *vars) if (CHIP_IS_E3(bp)) { struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; bnx2x_set_aer_mmd(params, phy); - if ((phy->supported & SUPPORTED_20000baseKR2_Full) && - (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) + if (((phy->req_line_speed == SPEED_AUTO_NEG) && + (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) || + (phy->req_line_speed == SPEED_20000)) bnx2x_check_kr2_wa(params, vars, phy); bnx2x_check_over_curr(params, vars); if (vars->rx_tx_asic_rst) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h index 4dead49bd5cb..a43dea259b12 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h @@ -7296,6 +7296,8 @@ Theotherbitsarereservedandshouldbezero*/ #define MDIO_PMA_REG_84823_CTL_LED_CTL_1 0xa8e3 #define MDIO_PMA_REG_84833_CTL_LED_CTL_1 0xa8ec #define MDIO_PMA_REG_84823_LED3_STRETCH_EN 0x0080 +/* BCM84858 only */ +#define MDIO_PMA_REG_84858_ALLOW_GPHY_ACT 0x8000 /* BCM84833 only */ #define MDIO_84833_TOP_CFG_FW_REV 0x400f @@ -7337,6 +7339,10 @@ Theotherbitsarereservedandshouldbezero*/ #define PHY84833_STATUS_CMD_NOT_OPEN_FOR_CMDS 0x0040 #define PHY84833_STATUS_CMD_CLEAR_COMPLETE 0x0080 #define PHY84833_STATUS_CMD_OPEN_OVERRIDE 0xa5a5 +/* Mailbox Process */ +#define PHY84833_MB_PROCESS1 1 +#define PHY84833_MB_PROCESS2 2 +#define PHY84833_MB_PROCESS3 3 /* Mailbox status set used by 84858 only */ #define PHY84858_STATUS_CMD_RECEIVED 0x0001 diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index df835f5e46d8..8ab000dd52d9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -69,7 +69,7 @@ MODULE_VERSION(DRV_MODULE_VERSION); #define BNXT_RX_DMA_OFFSET NET_SKB_PAD #define BNXT_RX_COPY_THRESH 256 -#define BNXT_TX_PUSH_THRESH 92 +#define BNXT_TX_PUSH_THRESH 164 enum board_idx { BCM57301, @@ -223,11 +223,12 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) } if (free_size == bp->tx_ring_size && length <= bp->tx_push_thresh) { - struct tx_push_bd *push = txr->tx_push; - struct tx_bd *tx_push = &push->txbd1; - struct tx_bd_ext *tx_push1 = &push->txbd2; - void *pdata = tx_push1 + 1; - int j; + struct tx_push_buffer *tx_push_buf = txr->tx_push; + struct tx_push_bd *tx_push = &tx_push_buf->push_bd; + struct tx_bd_ext *tx_push1 = &tx_push->txbd2; + void *pdata = tx_push_buf->data; + u64 *end; + int j, push_len; /* Set COAL_NOW to be ready quickly for the next push */ tx_push->tx_bd_len_flags_type = @@ -247,6 +248,9 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_push1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags); tx_push1->tx_bd_cfa_action = cpu_to_le32(cfa_action); + end = PTR_ALIGN(pdata + length + 1, 8) - 1; + *end = 0; + skb_copy_from_linear_data(skb, pdata, len); pdata += len; for (j = 0; j < last_frag; j++) { @@ -261,22 +265,29 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) pdata += skb_frag_size(frag); } - memcpy(txbd, tx_push, sizeof(*txbd)); + txbd->tx_bd_len_flags_type = tx_push->tx_bd_len_flags_type; + txbd->tx_bd_haddr = txr->data_mapping; prod = NEXT_TX(prod); txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; memcpy(txbd, tx_push1, sizeof(*txbd)); prod = NEXT_TX(prod); - push->doorbell = + tx_push->doorbell = cpu_to_le32(DB_KEY_TX_PUSH | DB_LONG_TX_PUSH | prod); txr->tx_prod = prod; netdev_tx_sent_queue(txq, skb->len); - __iowrite64_copy(txr->tx_doorbell, push, - (length + sizeof(*push) + 8) / 8); + push_len = (length + sizeof(*tx_push) + 7) / 8; + if (push_len > 16) { + __iowrite64_copy(txr->tx_doorbell, tx_push_buf, 16); + __iowrite64_copy(txr->tx_doorbell + 4, tx_push_buf + 1, + push_len - 16); + } else { + __iowrite64_copy(txr->tx_doorbell, tx_push_buf, + push_len); + } tx_buf->is_push = 1; - goto tx_done; } @@ -1490,10 +1501,11 @@ static void bnxt_free_tx_skbs(struct bnxt *bp) last = tx_buf->nr_frags; j += 2; - for (k = 0; k < last; k++, j = NEXT_TX(j)) { + for (k = 0; k < last; k++, j++) { + int ring_idx = j & bp->tx_ring_mask; skb_frag_t *frag = &skb_shinfo(skb)->frags[k]; - tx_buf = &txr->tx_buf_ring[j]; + tx_buf = &txr->tx_buf_ring[ring_idx]; dma_unmap_page( &pdev->dev, dma_unmap_addr(tx_buf, mapping), @@ -1752,7 +1764,7 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp) push_size = L1_CACHE_ALIGN(sizeof(struct tx_push_bd) + bp->tx_push_thresh); - if (push_size > 128) { + if (push_size > 256) { push_size = 0; bp->tx_push_thresh = 0; } @@ -1771,7 +1783,6 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp) return rc; if (bp->tx_push_size) { - struct tx_bd *txbd; dma_addr_t mapping; /* One pre-allocated DMA buffer to backup @@ -1785,13 +1796,11 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp) if (!txr->tx_push) return -ENOMEM; - txbd = &txr->tx_push->txbd1; - mapping = txr->tx_push_mapping + sizeof(struct tx_push_bd); - txbd->tx_bd_haddr = cpu_to_le64(mapping); + txr->data_mapping = cpu_to_le64(mapping); - memset(txbd + 1, 0, sizeof(struct tx_bd_ext)); + memset(txr->tx_push, 0, sizeof(struct tx_push_bd)); } ring->queue_id = bp->q_info[j].queue_id; if (i % bp->tx_nr_rings_per_tc == (bp->tx_nr_rings_per_tc - 1)) @@ -3406,7 +3415,7 @@ static int hwrm_ring_free_send_msg(struct bnxt *bp, struct hwrm_ring_free_output *resp = bp->hwrm_cmd_resp_addr; u16 error_code; - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, -1, -1); + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, cmpl_ring_id, -1); req.ring_type = ring_type; req.ring_id = cpu_to_le16(ring->fw_ring_id); @@ -4545,20 +4554,18 @@ static int bnxt_update_phy_setting(struct bnxt *bp) if (!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) && link_info->force_pause_setting != link_info->req_flow_ctrl) update_pause = true; - if (link_info->req_duplex != link_info->duplex_setting) - update_link = true; if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { if (BNXT_AUTO_MODE(link_info->auto_mode)) update_link = true; if (link_info->req_link_speed != link_info->force_link_speed) update_link = true; + if (link_info->req_duplex != link_info->duplex_setting) + update_link = true; } else { if (link_info->auto_mode == BNXT_LINK_AUTO_NONE) update_link = true; if (link_info->advertising != link_info->auto_link_speeds) update_link = true; - if (link_info->req_link_speed != link_info->auto_link_speed) - update_link = true; } if (update_link) @@ -4635,7 +4642,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) if (link_re_init) { rc = bnxt_update_phy_setting(bp); if (rc) - goto open_err; + netdev_warn(bp->dev, "failed to update phy settings\n"); } if (irq_re_init) { @@ -4653,6 +4660,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) /* Enable TX queues */ bnxt_tx_enable(bp); mod_timer(&bp->timer, jiffies + bp->current_interval); + bnxt_update_link(bp, true); return 0; @@ -4819,8 +4827,6 @@ bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) stats->multicast += le64_to_cpu(hw_stats->rx_mcast_pkts); - stats->rx_dropped += le64_to_cpu(hw_stats->rx_drop_pkts); - stats->tx_dropped += le64_to_cpu(hw_stats->tx_drop_pkts); } @@ -5671,22 +5677,16 @@ static int bnxt_probe_phy(struct bnxt *bp) } /*initialize the ethool setting copy with NVM settings */ - if (BNXT_AUTO_MODE(link_info->auto_mode)) - link_info->autoneg |= BNXT_AUTONEG_SPEED; - - if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) { - if (link_info->auto_pause_setting == BNXT_LINK_PAUSE_BOTH) - link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; + if (BNXT_AUTO_MODE(link_info->auto_mode)) { + link_info->autoneg = BNXT_AUTONEG_SPEED | + BNXT_AUTONEG_FLOW_CTRL; + link_info->advertising = link_info->auto_link_speeds; link_info->req_flow_ctrl = link_info->auto_pause_setting; - } else if (link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) { + } else { + link_info->req_link_speed = link_info->force_link_speed; + link_info->req_duplex = link_info->duplex_setting; link_info->req_flow_ctrl = link_info->force_pause_setting; } - link_info->req_duplex = link_info->duplex_setting; - if (link_info->autoneg & BNXT_AUTONEG_SPEED) - link_info->req_link_speed = link_info->auto_link_speed; - else - link_info->req_link_speed = link_info->force_link_speed; - link_info->advertising = link_info->auto_link_speeds; snprintf(phy_ver, PHY_VER_STR_LEN, " ph %d.%d.%d", link_info->phy_ver[0], link_info->phy_ver[1], diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 8af3ca8efcef..2be51b332652 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -411,8 +411,8 @@ struct rx_tpa_end_cmp_ext { #define BNXT_NUM_TESTS(bp) 0 -#define BNXT_DEFAULT_RX_RING_SIZE 1023 -#define BNXT_DEFAULT_TX_RING_SIZE 512 +#define BNXT_DEFAULT_RX_RING_SIZE 511 +#define BNXT_DEFAULT_TX_RING_SIZE 511 #define MAX_TPA 64 @@ -523,10 +523,16 @@ struct bnxt_ring_struct { struct tx_push_bd { __le32 doorbell; - struct tx_bd txbd1; + __le32 tx_bd_len_flags_type; + u32 tx_bd_opaque; struct tx_bd_ext txbd2; }; +struct tx_push_buffer { + struct tx_push_bd push_bd; + u32 data[25]; +}; + struct bnxt_tx_ring_info { struct bnxt_napi *bnapi; u16 tx_prod; @@ -538,8 +544,9 @@ struct bnxt_tx_ring_info { dma_addr_t tx_desc_mapping[MAX_TX_PAGES]; - struct tx_push_bd *tx_push; + struct tx_push_buffer *tx_push; dma_addr_t tx_push_mapping; + __le64 data_mapping; #define BNXT_DEV_STATE_CLOSING 0x1 u32 dev_state; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 922b898e7a32..3238817dfd5f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -486,15 +486,8 @@ static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info) speed_mask |= SUPPORTED_2500baseX_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) speed_mask |= SUPPORTED_10000baseT_Full; - /* TODO: support 25GB, 50GB with different cable type */ - if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB) - speed_mask |= SUPPORTED_20000baseMLD2_Full | - SUPPORTED_20000baseKR2_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) - speed_mask |= SUPPORTED_40000baseKR4_Full | - SUPPORTED_40000baseCR4_Full | - SUPPORTED_40000baseSR4_Full | - SUPPORTED_40000baseLR4_Full; + speed_mask |= SUPPORTED_40000baseCR4_Full; return speed_mask; } @@ -514,15 +507,8 @@ static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info) speed_mask |= ADVERTISED_2500baseX_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) speed_mask |= ADVERTISED_10000baseT_Full; - /* TODO: how to advertise 20, 25, 40, 50GB with different cable type ?*/ - if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB) - speed_mask |= ADVERTISED_20000baseMLD2_Full | - ADVERTISED_20000baseKR2_Full; if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) - speed_mask |= ADVERTISED_40000baseKR4_Full | - ADVERTISED_40000baseCR4_Full | - ADVERTISED_40000baseSR4_Full | - ADVERTISED_40000baseLR4_Full; + speed_mask |= ADVERTISED_40000baseCR4_Full; return speed_mask; } @@ -557,11 +543,12 @@ static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) u16 ethtool_speed; cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info); + cmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; if (link_info->auto_link_speeds) cmd->supported |= SUPPORTED_Autoneg; - if (BNXT_AUTO_MODE(link_info->auto_mode)) { + if (link_info->autoneg) { cmd->advertising = bnxt_fw_to_ethtool_advertised_spds(link_info); cmd->advertising |= ADVERTISED_Autoneg; @@ -570,28 +557,16 @@ static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->autoneg = AUTONEG_DISABLE; cmd->advertising = 0; } - if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) { + if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) { if ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) { cmd->advertising |= ADVERTISED_Pause; - cmd->supported |= SUPPORTED_Pause; } else { cmd->advertising |= ADVERTISED_Asym_Pause; - cmd->supported |= SUPPORTED_Asym_Pause; if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_RX) cmd->advertising |= ADVERTISED_Pause; } - } else if (link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) { - if ((link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) == - BNXT_LINK_PAUSE_BOTH) { - cmd->supported |= SUPPORTED_Pause; - } else { - cmd->supported |= SUPPORTED_Asym_Pause; - if (link_info->force_pause_setting & - BNXT_LINK_PAUSE_RX) - cmd->supported |= SUPPORTED_Pause; - } } cmd->port = PORT_NONE; @@ -670,6 +645,9 @@ static u16 bnxt_get_fw_auto_link_speeds(u32 advertising) if (advertising & ADVERTISED_10000baseT_Full) fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; + if (advertising & ADVERTISED_40000baseCR4_Full) + fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; + return fw_speed_mask; } @@ -729,7 +707,7 @@ static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) speed = ethtool_cmd_speed(cmd); link_info->req_link_speed = bnxt_get_fw_speed(dev, speed); link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; - link_info->autoneg &= ~BNXT_AUTONEG_SPEED; + link_info->autoneg = 0; link_info->advertising = 0; } @@ -748,8 +726,7 @@ static void bnxt_get_pauseparam(struct net_device *dev, if (BNXT_VF(bp)) return; - epause->autoneg = !!(link_info->auto_pause_setting & - BNXT_LINK_PAUSE_BOTH); + epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); epause->rx_pause = ((link_info->pause & BNXT_LINK_PAUSE_RX) != 0); epause->tx_pause = ((link_info->pause & BNXT_LINK_PAUSE_TX) != 0); } @@ -765,6 +742,9 @@ static int bnxt_set_pauseparam(struct net_device *dev, return rc; if (epause->autoneg) { + if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) + return -EINVAL; + link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH; } else { diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index b15a60d787c7..d7e01a74e927 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2445,8 +2445,7 @@ static void bcmgenet_irq_task(struct work_struct *work) } /* Link UP/DOWN event */ - if ((priv->hw_params->flags & GENET_HAS_MDIO_INTR) && - (priv->irq0_stat & UMAC_IRQ_LINK_EVENT)) { + if (priv->irq0_stat & UMAC_IRQ_LINK_EVENT) { phy_mac_interrupt(priv->phydev, !!(priv->irq0_stat & UMAC_IRQ_LINK_UP)); priv->irq0_stat &= ~UMAC_IRQ_LINK_EVENT; diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 0d775964b060..457c3bc8cfff 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -401,7 +401,7 @@ int bcmgenet_mii_probe(struct net_device *dev) * Ethernet MAC ISRs */ if (priv->internal_phy) - priv->mii_bus->irq[phydev->mdio.addr] = PHY_IGNORE_INTERRUPT; + priv->phydev->irq = PHY_IGNORE_INTERRUPT; return 0; } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 9293675df7ba..3010080cfeee 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -7831,6 +7831,14 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi, return ret; } +static bool tg3_tso_bug_gso_check(struct tg3_napi *tnapi, struct sk_buff *skb) +{ + /* Check if we will never have enough descriptors, + * as gso_segs can be more than current ring size + */ + return skb_shinfo(skb)->gso_segs < tnapi->tx_pending / 3; +} + static netdev_tx_t tg3_start_xmit(struct sk_buff *, struct net_device *); /* Use GSO to workaround all TSO packets that meet HW bug conditions @@ -7934,14 +7942,19 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) * vlan encapsulated. */ if (skb->protocol == htons(ETH_P_8021Q) || - skb->protocol == htons(ETH_P_8021AD)) - return tg3_tso_bug(tp, tnapi, txq, skb); + skb->protocol == htons(ETH_P_8021AD)) { + if (tg3_tso_bug_gso_check(tnapi, skb)) + return tg3_tso_bug(tp, tnapi, txq, skb); + goto drop; + } if (!skb_is_gso_v6(skb)) { if (unlikely((ETH_HLEN + hdr_len) > 80) && - tg3_flag(tp, TSO_BUG)) - return tg3_tso_bug(tp, tnapi, txq, skb); - + tg3_flag(tp, TSO_BUG)) { + if (tg3_tso_bug_gso_check(tnapi, skb)) + return tg3_tso_bug(tp, tnapi, txq, skb); + goto drop; + } ip_csum = iph->check; ip_tot_len = iph->tot_len; iph->check = 0; @@ -8073,7 +8086,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) if (would_hit_hwbug) { tg3_tx_skb_unmap(tnapi, tnapi->tx_prod, i); - if (mss) { + if (mss && tg3_tso_bug_gso_check(tnapi, skb)) { /* If it's a TSO packet, do GSO instead of * allocating and copying to a large linear SKB */ @@ -12016,7 +12029,7 @@ static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, int ret; u32 offset, len, b_offset, odd_len; u8 *buf; - __be32 start, end; + __be32 start = 0, end; if (tg3_flag(tp, NO_NVRAM) || eeprom->magic != TG3_EEPROM_MAGIC) diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 9d9984a87d42..50c94104f19c 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -2823,7 +2823,7 @@ static int macb_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct device_node *phy_node; const struct macb_config *macb_config = NULL; - struct clk *pclk, *hclk, *tx_clk; + struct clk *pclk, *hclk = NULL, *tx_clk = NULL; unsigned int queue_mask, num_queues; struct macb_platform_data *pdata; bool native_io; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index b89504405b72..34d269cd5579 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -1526,7 +1526,6 @@ static int liquidio_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) { u64 ns; - u32 remainder; unsigned long flags; struct lio *lio = container_of(ptp, struct lio, ptp_info); struct octeon_device *oct = (struct octeon_device *)lio->oct_dev; @@ -1536,8 +1535,7 @@ static int liquidio_ptp_gettime(struct ptp_clock_info *ptp, ns += lio->ptp_adjust; spin_unlock_irqrestore(&lio->ptp_lock, flags); - ts->tv_sec = div_u64_rem(ns, 1000000000ULL, &remainder); - ts->tv_nsec = remainder; + *ts = ns_to_timespec64(ns); return 0; } @@ -1685,7 +1683,7 @@ static int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs, dev_dbg(&oct->pci_dev->dev, "Creating Droq: %d\n", q_no); /* droq creation and local register settings. */ ret_val = octeon_create_droq(oct, q_no, num_descs, desc_size, app_ctx); - if (ret_val == -1) + if (ret_val < 0) return ret_val; if (ret_val == 1) { @@ -2526,7 +2524,7 @@ static void handle_timestamp(struct octeon_device *oct, octeon_swap_8B_data(&resp->timestamp, 1); - if (unlikely((skb_shinfo(skb)->tx_flags | SKBTX_IN_PROGRESS) != 0)) { + if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS) != 0)) { struct skb_shared_hwtstamps ts; u64 ns = resp->timestamp; diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c index 4dba86eaa045..174072b3740b 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c @@ -983,5 +983,5 @@ int octeon_create_droq(struct octeon_device *oct, create_droq_fail: octeon_delete_droq(oct, q_no); - return -1; + return -ENOMEM; } diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index c24cb2a86a42..a009bc30dc4d 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -574,8 +574,7 @@ static inline void nicvf_set_rxhash(struct net_device *netdev, static void nicvf_rcv_pkt_handler(struct net_device *netdev, struct napi_struct *napi, - struct cmp_queue *cq, - struct cqe_rx_t *cqe_rx, int cqe_type) + struct cqe_rx_t *cqe_rx) { struct sk_buff *skb; struct nicvf *nic = netdev_priv(netdev); @@ -591,7 +590,7 @@ static void nicvf_rcv_pkt_handler(struct net_device *netdev, } /* Check for errors */ - err = nicvf_check_cqe_rx_errs(nic, cq, cqe_rx); + err = nicvf_check_cqe_rx_errs(nic, cqe_rx); if (err && !cqe_rx->rb_cnt) return; @@ -682,8 +681,7 @@ loop: cq_idx, cq_desc->cqe_type); switch (cq_desc->cqe_type) { case CQE_TYPE_RX: - nicvf_rcv_pkt_handler(netdev, napi, cq, - cq_desc, CQE_TYPE_RX); + nicvf_rcv_pkt_handler(netdev, napi, cq_desc); work_done++; break; case CQE_TYPE_SEND: @@ -1125,7 +1123,6 @@ int nicvf_stop(struct net_device *netdev) /* Clear multiqset info */ nic->pnicvf = nic; - nic->sqs_count = 0; return 0; } @@ -1354,6 +1351,9 @@ void nicvf_update_stats(struct nicvf *nic) drv_stats->tx_frames_ok = stats->tx_ucast_frames_ok + stats->tx_bcast_frames_ok + stats->tx_mcast_frames_ok; + drv_stats->rx_frames_ok = stats->rx_ucast_frames + + stats->rx_bcast_frames + + stats->rx_mcast_frames; drv_stats->rx_drops = stats->rx_drop_red + stats->rx_drop_overrun; drv_stats->tx_drops = stats->tx_drops; @@ -1538,6 +1538,9 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) nicvf_send_vf_struct(nic); + if (!pass1_silicon(nic->pdev)) + nic->hw_tso = true; + /* Check if this VF is in QS only mode */ if (nic->sqs_mode) return 0; @@ -1557,9 +1560,6 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; - if (!pass1_silicon(nic->pdev)) - nic->hw_tso = true; - netdev->netdev_ops = &nicvf_netdev_ops; netdev->watchdog_timeo = NICVF_TX_TIMEOUT; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index d0d1b5490061..767347b1f631 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -1329,16 +1329,12 @@ void nicvf_update_sq_stats(struct nicvf *nic, int sq_idx) } /* Check for errors in the receive cmp.queue entry */ -int nicvf_check_cqe_rx_errs(struct nicvf *nic, - struct cmp_queue *cq, struct cqe_rx_t *cqe_rx) +int nicvf_check_cqe_rx_errs(struct nicvf *nic, struct cqe_rx_t *cqe_rx) { struct nicvf_hw_stats *stats = &nic->hw_stats; - struct nicvf_drv_stats *drv_stats = &nic->drv_stats; - if (!cqe_rx->err_level && !cqe_rx->err_opcode) { - drv_stats->rx_frames_ok++; + if (!cqe_rx->err_level && !cqe_rx->err_opcode) return 0; - } if (netif_msg_rx_err(nic)) netdev_err(nic->netdev, diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index c5030a7f213a..6673e1133523 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -338,8 +338,7 @@ u64 nicvf_queue_reg_read(struct nicvf *nic, /* Stats */ void nicvf_update_rq_stats(struct nicvf *nic, int rq_idx); void nicvf_update_sq_stats(struct nicvf *nic, int sq_idx); -int nicvf_check_cqe_rx_errs(struct nicvf *nic, - struct cmp_queue *cq, struct cqe_rx_t *cqe_rx); +int nicvf_check_cqe_rx_errs(struct nicvf *nic, struct cqe_rx_t *cqe_rx); int nicvf_check_cqe_tx_errs(struct nicvf *nic, struct cmp_queue *cq, struct cqe_send_t *cqe_tx); #endif /* NICVF_QUEUES_H */ diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c index ee04caa6c4d8..a89721fad633 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c @@ -681,6 +681,24 @@ int t3_seeprom_wp(struct adapter *adapter, int enable) return t3_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0); } +static int vpdstrtouint(char *s, int len, unsigned int base, unsigned int *val) +{ + char tok[len + 1]; + + memcpy(tok, s, len); + tok[len] = 0; + return kstrtouint(strim(tok), base, val); +} + +static int vpdstrtou16(char *s, int len, unsigned int base, u16 *val) +{ + char tok[len + 1]; + + memcpy(tok, s, len); + tok[len] = 0; + return kstrtou16(strim(tok), base, val); +} + /** * get_vpd_params - read VPD parameters from VPD EEPROM * @adapter: adapter to read @@ -709,19 +727,19 @@ static int get_vpd_params(struct adapter *adapter, struct vpd_params *p) return ret; } - ret = kstrtouint(vpd.cclk_data, 10, &p->cclk); + ret = vpdstrtouint(vpd.cclk_data, vpd.cclk_len, 10, &p->cclk); if (ret) return ret; - ret = kstrtouint(vpd.mclk_data, 10, &p->mclk); + ret = vpdstrtouint(vpd.mclk_data, vpd.mclk_len, 10, &p->mclk); if (ret) return ret; - ret = kstrtouint(vpd.uclk_data, 10, &p->uclk); + ret = vpdstrtouint(vpd.uclk_data, vpd.uclk_len, 10, &p->uclk); if (ret) return ret; - ret = kstrtouint(vpd.mdc_data, 10, &p->mdc); + ret = vpdstrtouint(vpd.mdc_data, vpd.mdc_len, 10, &p->mdc); if (ret) return ret; - ret = kstrtouint(vpd.mt_data, 10, &p->mem_timing); + ret = vpdstrtouint(vpd.mt_data, vpd.mt_len, 10, &p->mem_timing); if (ret) return ret; memcpy(p->sn, vpd.sn_data, SERNUM_LEN); @@ -733,10 +751,12 @@ static int get_vpd_params(struct adapter *adapter, struct vpd_params *p) } else { p->port_type[0] = hex_to_bin(vpd.port0_data[0]); p->port_type[1] = hex_to_bin(vpd.port1_data[0]); - ret = kstrtou16(vpd.xaui0cfg_data, 16, &p->xauicfg[0]); + ret = vpdstrtou16(vpd.xaui0cfg_data, vpd.xaui0cfg_len, 16, + &p->xauicfg[0]); if (ret) return ret; - ret = kstrtou16(vpd.xaui1cfg_data, 16, &p->xauicfg[1]); + ret = vpdstrtou16(vpd.xaui1cfg_data, vpd.xaui1cfg_len, 16, + &p->xauicfg[1]); if (ret) return ret; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h index a8dda635456d..06bc2d2e7a73 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h @@ -165,6 +165,7 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN CH_PCI_ID_TABLE_FENTRY(0x5098), /* Custom 2x40G QSFP */ CH_PCI_ID_TABLE_FENTRY(0x5099), /* Custom 2x40G QSFP */ CH_PCI_ID_TABLE_FENTRY(0x509a), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x509b), /* Custom T540-CR LOM */ /* T6 adapters: */ diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h index 1671fa3332c2..7ba6d530b0c0 100644 --- a/drivers/net/ethernet/cisco/enic/enic.h +++ b/drivers/net/ethernet/cisco/enic/enic.h @@ -33,7 +33,7 @@ #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" -#define DRV_VERSION "2.3.0.12" +#define DRV_VERSION "2.3.0.20" #define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc" #define ENIC_BARS_MAX 6 diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.c b/drivers/net/ethernet/cisco/enic/vnic_dev.c index 1ffd1050860b..1fdf5fe12a95 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_dev.c +++ b/drivers/net/ethernet/cisco/enic/vnic_dev.c @@ -298,7 +298,8 @@ static int _vnic_dev_cmd2(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, int wait) { struct devcmd2_controller *dc2c = vdev->devcmd2; - struct devcmd2_result *result = dc2c->result + dc2c->next_result; + struct devcmd2_result *result; + u8 color; unsigned int i; int delay, err; u32 fetch_index, new_posted; @@ -336,13 +337,17 @@ static int _vnic_dev_cmd2(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, if (dc2c->cmd_ring[posted].flags & DEVCMD2_FNORESULT) return 0; + result = dc2c->result + dc2c->next_result; + color = dc2c->color; + + dc2c->next_result++; + if (dc2c->next_result == dc2c->result_size) { + dc2c->next_result = 0; + dc2c->color = dc2c->color ? 0 : 1; + } + for (delay = 0; delay < wait; delay++) { - if (result->color == dc2c->color) { - dc2c->next_result++; - if (dc2c->next_result == dc2c->result_size) { - dc2c->next_result = 0; - dc2c->color = dc2c->color ? 0 : 1; - } + if (result->color == color) { if (result->error) { err = result->error; if (err != ERR_ECMDUNKNOWN || diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index cf94b72dbacd..48d91941408d 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -128,7 +128,6 @@ struct board_info { struct resource *data_res; struct resource *addr_req; /* resources requested */ struct resource *data_req; - struct resource *irq_res; int irq_wake; @@ -1300,22 +1299,16 @@ static int dm9000_open(struct net_device *dev) { struct board_info *db = netdev_priv(dev); - unsigned long irqflags = db->irq_res->flags & IRQF_TRIGGER_MASK; if (netif_msg_ifup(db)) dev_dbg(db->dev, "enabling %s\n", dev->name); - /* If there is no IRQ type specified, default to something that - * may work, and tell the user that this is a problem */ - - if (irqflags == IRQF_TRIGGER_NONE) - irqflags = irq_get_trigger_type(dev->irq); - - if (irqflags == IRQF_TRIGGER_NONE) + /* If there is no IRQ type specified, tell the user that this is a + * problem + */ + if (irq_get_trigger_type(dev->irq) == IRQF_TRIGGER_NONE) dev_warn(db->dev, "WARNING: no IRQ resource flags set.\n"); - irqflags |= IRQF_SHARED; - /* GPIO0 on pre-activate PHY, Reg 1F is not set by reset */ iow(db, DM9000_GPR, 0); /* REG_1F bit0 activate phyxcer */ mdelay(1); /* delay needs by DM9000B */ @@ -1323,7 +1316,8 @@ dm9000_open(struct net_device *dev) /* Initialize DM9000 board */ dm9000_init_dm9000(dev); - if (request_irq(dev->irq, dm9000_interrupt, irqflags, dev->name, dev)) + if (request_irq(dev->irq, dm9000_interrupt, IRQF_SHARED, + dev->name, dev)) return -EAGAIN; /* Now that we have an interrupt handler hooked up we can unmask * our interrupts @@ -1500,15 +1494,22 @@ dm9000_probe(struct platform_device *pdev) db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - db->irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (db->addr_res == NULL || db->data_res == NULL || - db->irq_res == NULL) { - dev_err(db->dev, "insufficient resources\n"); + if (!db->addr_res || !db->data_res) { + dev_err(db->dev, "insufficient resources addr=%p data=%p\n", + db->addr_res, db->data_res); ret = -ENOENT; goto out; } + ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) { + dev_err(db->dev, "interrupt resource unavailable: %d\n", + ndev->irq); + ret = ndev->irq; + goto out; + } + db->irq_wake = platform_get_irq(pdev, 1); if (db->irq_wake >= 0) { dev_dbg(db->dev, "wakeup irq %d\n", db->irq_wake); @@ -1570,7 +1571,6 @@ dm9000_probe(struct platform_device *pdev) /* fill in parameters for net-dev structure */ ndev->base_addr = (unsigned long)db->io_addr; - ndev->irq = db->irq_res->start; /* ensure at least we have a default set of IO routines */ dm9000_set_io(db, iosize); diff --git a/drivers/net/ethernet/ezchip/Kconfig b/drivers/net/ethernet/ezchip/Kconfig index 48ecbc8aaaea..b423ad380b6a 100644 --- a/drivers/net/ethernet/ezchip/Kconfig +++ b/drivers/net/ethernet/ezchip/Kconfig @@ -18,6 +18,7 @@ if NET_VENDOR_EZCHIP config EZCHIP_NPS_MANAGEMENT_ENET tristate "EZchip NPS management enet support" depends on OF_IRQ && OF_NET + depends on HAS_IOMEM ---help--- Simple LAN device for debug or management purposes. Device supports interrupts for RX and TX(completion). diff --git a/drivers/net/ethernet/freescale/Makefile b/drivers/net/ethernet/freescale/Makefile index 4097c58d17a7..cbe21dc7e37e 100644 --- a/drivers/net/ethernet/freescale/Makefile +++ b/drivers/net/ethernet/freescale/Makefile @@ -4,6 +4,9 @@ obj-$(CONFIG_FEC) += fec.o fec-objs :=fec_main.o fec_ptp.o +CFLAGS_fec_main.o := -D__CHECK_ENDIAN__ +CFLAGS_fec_ptp.o := -D__CHECK_ENDIAN__ + obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx.o ifeq ($(CONFIG_FEC_MPC52xx_MDIO),y) obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx_phy.o diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 99d33e2d35e6..2106d72c91dc 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -19,8 +19,7 @@ #include <linux/timecounter.h> #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) || defined(CONFIG_M532x) || \ - defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) + defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM) /* * Just figures, Motorola would have to change the offsets for * registers in the same peripheral device on different models @@ -190,28 +189,45 @@ /* * Define the buffer descriptor structure. + * + * Evidently, ARM SoCs have the FEC block generated in a + * little endian mode so adjust endianness accordingly. */ -#if defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) +#if defined(CONFIG_ARM) +#define fec32_to_cpu le32_to_cpu +#define fec16_to_cpu le16_to_cpu +#define cpu_to_fec32 cpu_to_le32 +#define cpu_to_fec16 cpu_to_le16 +#define __fec32 __le32 +#define __fec16 __le16 + struct bufdesc { - unsigned short cbd_datlen; /* Data length */ - unsigned short cbd_sc; /* Control and status info */ - unsigned long cbd_bufaddr; /* Buffer address */ + __fec16 cbd_datlen; /* Data length */ + __fec16 cbd_sc; /* Control and status info */ + __fec32 cbd_bufaddr; /* Buffer address */ }; #else +#define fec32_to_cpu be32_to_cpu +#define fec16_to_cpu be16_to_cpu +#define cpu_to_fec32 cpu_to_be32 +#define cpu_to_fec16 cpu_to_be16 +#define __fec32 __be32 +#define __fec16 __be16 + struct bufdesc { - unsigned short cbd_sc; /* Control and status info */ - unsigned short cbd_datlen; /* Data length */ - unsigned long cbd_bufaddr; /* Buffer address */ + __fec16 cbd_sc; /* Control and status info */ + __fec16 cbd_datlen; /* Data length */ + __fec32 cbd_bufaddr; /* Buffer address */ }; #endif struct bufdesc_ex { struct bufdesc desc; - unsigned long cbd_esc; - unsigned long cbd_prot; - unsigned long cbd_bdu; - unsigned long ts; - unsigned short res0[4]; + __fec32 cbd_esc; + __fec32 cbd_prot; + __fec32 cbd_bdu; + __fec32 ts; + __fec16 res0[4]; }; /* diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 502da6f48f95..41c81f6ec630 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -332,11 +332,13 @@ static void fec_dump(struct net_device *ndev) bdp = txq->tx_bd_base; do { - pr_info("%3u %c%c 0x%04x 0x%08lx %4u %p\n", + pr_info("%3u %c%c 0x%04x 0x%08x %4u %p\n", index, bdp == txq->cur_tx ? 'S' : ' ', bdp == txq->dirty_tx ? 'H' : ' ', - bdp->cbd_sc, bdp->cbd_bufaddr, bdp->cbd_datlen, + fec16_to_cpu(bdp->cbd_sc), + fec32_to_cpu(bdp->cbd_bufaddr), + fec16_to_cpu(bdp->cbd_datlen), txq->tx_skbuff[index]); bdp = fec_enet_get_nextdesc(bdp, fep, 0); index++; @@ -389,7 +391,7 @@ fec_enet_txq_submit_frag_skb(struct fec_enet_priv_tx_q *txq, bdp = fec_enet_get_nextdesc(bdp, fep, queue); ebdp = (struct bufdesc_ex *)bdp; - status = bdp->cbd_sc; + status = fec16_to_cpu(bdp->cbd_sc); status &= ~BD_ENET_TX_STATS; status |= (BD_ENET_TX_TC | BD_ENET_TX_READY); frag_len = skb_shinfo(skb)->frags[frag].size; @@ -411,7 +413,7 @@ fec_enet_txq_submit_frag_skb(struct fec_enet_priv_tx_q *txq, if (skb->ip_summed == CHECKSUM_PARTIAL) estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS; ebdp->cbd_bdu = 0; - ebdp->cbd_esc = estatus; + ebdp->cbd_esc = cpu_to_fec32(estatus); } bufaddr = page_address(this_frag->page.p) + this_frag->page_offset; @@ -435,9 +437,9 @@ fec_enet_txq_submit_frag_skb(struct fec_enet_priv_tx_q *txq, goto dma_mapping_error; } - bdp->cbd_bufaddr = addr; - bdp->cbd_datlen = frag_len; - bdp->cbd_sc = status; + bdp->cbd_bufaddr = cpu_to_fec32(addr); + bdp->cbd_datlen = cpu_to_fec16(frag_len); + bdp->cbd_sc = cpu_to_fec16(status); } return bdp; @@ -445,8 +447,8 @@ dma_mapping_error: bdp = txq->cur_tx; for (i = 0; i < frag; i++) { bdp = fec_enet_get_nextdesc(bdp, fep, queue); - dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, - bdp->cbd_datlen, DMA_TO_DEVICE); + dma_unmap_single(&fep->pdev->dev, fec32_to_cpu(bdp->cbd_bufaddr), + fec16_to_cpu(bdp->cbd_datlen), DMA_TO_DEVICE); } return ERR_PTR(-ENOMEM); } @@ -483,7 +485,7 @@ static int fec_enet_txq_submit_skb(struct fec_enet_priv_tx_q *txq, /* Fill in a Tx ring entry */ bdp = txq->cur_tx; last_bdp = bdp; - status = bdp->cbd_sc; + status = fec16_to_cpu(bdp->cbd_sc); status &= ~BD_ENET_TX_STATS; /* Set buffer length and buffer pointer */ @@ -539,21 +541,21 @@ static int fec_enet_txq_submit_skb(struct fec_enet_priv_tx_q *txq, estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS; ebdp->cbd_bdu = 0; - ebdp->cbd_esc = estatus; + ebdp->cbd_esc = cpu_to_fec32(estatus); } index = fec_enet_get_bd_index(txq->tx_bd_base, last_bdp, fep); /* Save skb pointer */ txq->tx_skbuff[index] = skb; - bdp->cbd_datlen = buflen; - bdp->cbd_bufaddr = addr; + bdp->cbd_datlen = cpu_to_fec16(buflen); + bdp->cbd_bufaddr = cpu_to_fec32(addr); /* Send it on its way. Tell FEC it's ready, interrupt when done, * it's the last BD of the frame, and to put the CRC on the end. */ status |= (BD_ENET_TX_READY | BD_ENET_TX_TC); - bdp->cbd_sc = status; + bdp->cbd_sc = cpu_to_fec16(status); /* If this was the last BD in the ring, start at the beginning again. */ bdp = fec_enet_get_nextdesc(last_bdp, fep, queue); @@ -585,7 +587,7 @@ fec_enet_txq_put_data_tso(struct fec_enet_priv_tx_q *txq, struct sk_buff *skb, unsigned int estatus = 0; dma_addr_t addr; - status = bdp->cbd_sc; + status = fec16_to_cpu(bdp->cbd_sc); status &= ~BD_ENET_TX_STATS; status |= (BD_ENET_TX_TC | BD_ENET_TX_READY); @@ -607,8 +609,8 @@ fec_enet_txq_put_data_tso(struct fec_enet_priv_tx_q *txq, struct sk_buff *skb, return NETDEV_TX_BUSY; } - bdp->cbd_datlen = size; - bdp->cbd_bufaddr = addr; + bdp->cbd_datlen = cpu_to_fec16(size); + bdp->cbd_bufaddr = cpu_to_fec32(addr); if (fep->bufdesc_ex) { if (fep->quirks & FEC_QUIRK_HAS_AVB) @@ -616,7 +618,7 @@ fec_enet_txq_put_data_tso(struct fec_enet_priv_tx_q *txq, struct sk_buff *skb, if (skb->ip_summed == CHECKSUM_PARTIAL) estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS; ebdp->cbd_bdu = 0; - ebdp->cbd_esc = estatus; + ebdp->cbd_esc = cpu_to_fec32(estatus); } /* Handle the last BD specially */ @@ -625,10 +627,10 @@ fec_enet_txq_put_data_tso(struct fec_enet_priv_tx_q *txq, struct sk_buff *skb, if (is_last) { status |= BD_ENET_TX_INTR; if (fep->bufdesc_ex) - ebdp->cbd_esc |= BD_ENET_TX_INT; + ebdp->cbd_esc |= cpu_to_fec32(BD_ENET_TX_INT); } - bdp->cbd_sc = status; + bdp->cbd_sc = cpu_to_fec16(status); return 0; } @@ -647,7 +649,7 @@ fec_enet_txq_put_hdr_tso(struct fec_enet_priv_tx_q *txq, unsigned short status; unsigned int estatus = 0; - status = bdp->cbd_sc; + status = fec16_to_cpu(bdp->cbd_sc); status &= ~BD_ENET_TX_STATS; status |= (BD_ENET_TX_TC | BD_ENET_TX_READY); @@ -671,8 +673,8 @@ fec_enet_txq_put_hdr_tso(struct fec_enet_priv_tx_q *txq, } } - bdp->cbd_bufaddr = dmabuf; - bdp->cbd_datlen = hdr_len; + bdp->cbd_bufaddr = cpu_to_fec32(dmabuf); + bdp->cbd_datlen = cpu_to_fec16(hdr_len); if (fep->bufdesc_ex) { if (fep->quirks & FEC_QUIRK_HAS_AVB) @@ -680,10 +682,10 @@ fec_enet_txq_put_hdr_tso(struct fec_enet_priv_tx_q *txq, if (skb->ip_summed == CHECKSUM_PARTIAL) estatus |= BD_ENET_TX_PINS | BD_ENET_TX_IINS; ebdp->cbd_bdu = 0; - ebdp->cbd_esc = estatus; + ebdp->cbd_esc = cpu_to_fec32(estatus); } - bdp->cbd_sc = status; + bdp->cbd_sc = cpu_to_fec16(status); return 0; } @@ -823,15 +825,15 @@ static void fec_enet_bd_init(struct net_device *dev) /* Initialize the BD for every fragment in the page. */ if (bdp->cbd_bufaddr) - bdp->cbd_sc = BD_ENET_RX_EMPTY; + bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); else - bdp->cbd_sc = 0; + bdp->cbd_sc = cpu_to_fec16(0); bdp = fec_enet_get_nextdesc(bdp, fep, q); } /* Set the last buffer to wrap */ bdp = fec_enet_get_prevdesc(bdp, fep, q); - bdp->cbd_sc |= BD_SC_WRAP; + bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); rxq->cur_rx = rxq->rx_bd_base; } @@ -844,18 +846,18 @@ static void fec_enet_bd_init(struct net_device *dev) for (i = 0; i < txq->tx_ring_size; i++) { /* Initialize the BD for every fragment in the page. */ - bdp->cbd_sc = 0; + bdp->cbd_sc = cpu_to_fec16(0); if (txq->tx_skbuff[i]) { dev_kfree_skb_any(txq->tx_skbuff[i]); txq->tx_skbuff[i] = NULL; } - bdp->cbd_bufaddr = 0; + bdp->cbd_bufaddr = cpu_to_fec32(0); bdp = fec_enet_get_nextdesc(bdp, fep, q); } /* Set the last buffer to wrap */ bdp = fec_enet_get_prevdesc(bdp, fep, q); - bdp->cbd_sc |= BD_SC_WRAP; + bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); txq->dirty_tx = bdp; } } @@ -947,8 +949,10 @@ fec_restart(struct net_device *ndev) */ if (fep->quirks & FEC_QUIRK_ENET_MAC) { memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN); - writel(cpu_to_be32(temp_mac[0]), fep->hwp + FEC_ADDR_LOW); - writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH); + writel((__force u32)cpu_to_be32(temp_mac[0]), + fep->hwp + FEC_ADDR_LOW); + writel((__force u32)cpu_to_be32(temp_mac[1]), + fep->hwp + FEC_ADDR_HIGH); } /* Clear any outstanding interrupt. */ @@ -1222,7 +1226,7 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id) while (bdp != READ_ONCE(txq->cur_tx)) { /* Order the load of cur_tx and cbd_sc */ rmb(); - status = READ_ONCE(bdp->cbd_sc); + status = fec16_to_cpu(READ_ONCE(bdp->cbd_sc)); if (status & BD_ENET_TX_READY) break; @@ -1230,10 +1234,12 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id) skb = txq->tx_skbuff[index]; txq->tx_skbuff[index] = NULL; - if (!IS_TSO_HEADER(txq, bdp->cbd_bufaddr)) - dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, - bdp->cbd_datlen, DMA_TO_DEVICE); - bdp->cbd_bufaddr = 0; + if (!IS_TSO_HEADER(txq, fec32_to_cpu(bdp->cbd_bufaddr))) + dma_unmap_single(&fep->pdev->dev, + fec32_to_cpu(bdp->cbd_bufaddr), + fec16_to_cpu(bdp->cbd_datlen), + DMA_TO_DEVICE); + bdp->cbd_bufaddr = cpu_to_fec32(0); if (!skb) { bdp = fec_enet_get_nextdesc(bdp, fep, queue_id); continue; @@ -1264,7 +1270,7 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id) struct skb_shared_hwtstamps shhwtstamps; struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; - fec_enet_hwtstamp(fep, ebdp->ts, &shhwtstamps); + fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), &shhwtstamps); skb_tstamp_tx(skb, &shhwtstamps); } @@ -1324,10 +1330,8 @@ fec_enet_new_rxbdp(struct net_device *ndev, struct bufdesc *bdp, struct sk_buff if (off) skb_reserve(skb, fep->rx_align + 1 - off); - bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, skb->data, - FEC_ENET_RX_FRSIZE - fep->rx_align, - DMA_FROM_DEVICE); - if (dma_mapping_error(&fep->pdev->dev, bdp->cbd_bufaddr)) { + bdp->cbd_bufaddr = cpu_to_fec32(dma_map_single(&fep->pdev->dev, skb->data, FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE)); + if (dma_mapping_error(&fep->pdev->dev, fec32_to_cpu(bdp->cbd_bufaddr))) { if (net_ratelimit()) netdev_err(ndev, "Rx DMA memory map failed\n"); return -ENOMEM; @@ -1349,7 +1353,8 @@ static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb, if (!new_skb) return false; - dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr, + dma_sync_single_for_cpu(&fep->pdev->dev, + fec32_to_cpu(bdp->cbd_bufaddr), FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE); if (!swap) @@ -1396,7 +1401,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) */ bdp = rxq->cur_rx; - while (!((status = bdp->cbd_sc) & BD_ENET_RX_EMPTY)) { + while (!((status = fec16_to_cpu(bdp->cbd_sc)) & BD_ENET_RX_EMPTY)) { if (pkt_received >= budget) break; @@ -1438,7 +1443,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) /* Process the incoming frame. */ ndev->stats.rx_packets++; - pkt_len = bdp->cbd_datlen; + pkt_len = fec16_to_cpu(bdp->cbd_datlen); ndev->stats.rx_bytes += pkt_len; index = fec_enet_get_bd_index(rxq->rx_bd_base, bdp, fep); @@ -1456,7 +1461,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) ndev->stats.rx_dropped++; goto rx_processing_done; } - dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, + dma_unmap_single(&fep->pdev->dev, + fec32_to_cpu(bdp->cbd_bufaddr), FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE); } @@ -1475,7 +1481,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) /* If this is a VLAN packet remove the VLAN Tag */ vlan_packet_rcvd = false; if ((ndev->features & NETIF_F_HW_VLAN_CTAG_RX) && - fep->bufdesc_ex && (ebdp->cbd_esc & BD_ENET_RX_VLAN)) { + fep->bufdesc_ex && + (ebdp->cbd_esc & cpu_to_fec32(BD_ENET_RX_VLAN))) { /* Push and remove the vlan tag */ struct vlan_hdr *vlan_header = (struct vlan_hdr *) (data + ETH_HLEN); @@ -1491,12 +1498,12 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) /* Get receive timestamp from the skb */ if (fep->hwts_rx_en && fep->bufdesc_ex) - fec_enet_hwtstamp(fep, ebdp->ts, + fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), skb_hwtstamps(skb)); if (fep->bufdesc_ex && (fep->csum_flags & FLAG_RX_CSUM_ENABLED)) { - if (!(ebdp->cbd_esc & FLAG_RX_CSUM_ERROR)) { + if (!(ebdp->cbd_esc & cpu_to_fec32(FLAG_RX_CSUM_ERROR))) { /* don't check it */ skb->ip_summed = CHECKSUM_UNNECESSARY; } else { @@ -1513,7 +1520,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) napi_gro_receive(&fep->napi, skb); if (is_copybreak) { - dma_sync_single_for_device(&fep->pdev->dev, bdp->cbd_bufaddr, + dma_sync_single_for_device(&fep->pdev->dev, + fec32_to_cpu(bdp->cbd_bufaddr), FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE); } else { @@ -1527,12 +1535,12 @@ rx_processing_done: /* Mark the buffer empty */ status |= BD_ENET_RX_EMPTY; - bdp->cbd_sc = status; + bdp->cbd_sc = cpu_to_fec16(status); if (fep->bufdesc_ex) { struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; - ebdp->cbd_esc = BD_ENET_RX_INT; + ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); ebdp->cbd_prot = 0; ebdp->cbd_bdu = 0; } @@ -2145,8 +2153,7 @@ static int fec_enet_get_regs_len(struct net_device *ndev) /* List of registers that can be safety be read to dump them with ethtool */ #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) || defined(CONFIG_M532x) || \ - defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) + defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM) static u32 fec_enet_register_offset[] = { FEC_IEVENT, FEC_IMASK, FEC_R_DES_ACTIVE_0, FEC_X_DES_ACTIVE_0, FEC_ECNTRL, FEC_MII_DATA, FEC_MII_SPEED, FEC_MIB_CTRLSTAT, FEC_R_CNTRL, @@ -2662,7 +2669,7 @@ static void fec_enet_free_buffers(struct net_device *ndev) rxq->rx_skbuff[i] = NULL; if (skb) { dma_unmap_single(&fep->pdev->dev, - bdp->cbd_bufaddr, + fec32_to_cpu(bdp->cbd_bufaddr), FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE); dev_kfree_skb(skb); @@ -2777,11 +2784,11 @@ fec_enet_alloc_rxq_buffers(struct net_device *ndev, unsigned int queue) } rxq->rx_skbuff[i] = skb; - bdp->cbd_sc = BD_ENET_RX_EMPTY; + bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); if (fep->bufdesc_ex) { struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; - ebdp->cbd_esc = BD_ENET_RX_INT; + ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); } bdp = fec_enet_get_nextdesc(bdp, fep, queue); @@ -2789,7 +2796,7 @@ fec_enet_alloc_rxq_buffers(struct net_device *ndev, unsigned int queue) /* Set the last buffer to wrap. */ bdp = fec_enet_get_prevdesc(bdp, fep, queue); - bdp->cbd_sc |= BD_SC_WRAP; + bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); return 0; err_alloc: @@ -2812,12 +2819,12 @@ fec_enet_alloc_txq_buffers(struct net_device *ndev, unsigned int queue) if (!txq->tx_bounce[i]) goto err_alloc; - bdp->cbd_sc = 0; - bdp->cbd_bufaddr = 0; + bdp->cbd_sc = cpu_to_fec16(0); + bdp->cbd_bufaddr = cpu_to_fec32(0); if (fep->bufdesc_ex) { struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; - ebdp->cbd_esc = BD_ENET_TX_INT; + ebdp->cbd_esc = cpu_to_fec32(BD_ENET_TX_INT); } bdp = fec_enet_get_nextdesc(bdp, fep, queue); @@ -2825,7 +2832,7 @@ fec_enet_alloc_txq_buffers(struct net_device *ndev, unsigned int queue) /* Set the last buffer to wrap. */ bdp = fec_enet_get_prevdesc(bdp, fep, queue); - bdp->cbd_sc |= BD_SC_WRAP; + bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); return 0; diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c index 52e0091b4fb2..1ba359f17ec6 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c @@ -552,7 +552,7 @@ static void tx_restart(struct net_device *dev) cbd_t __iomem *prev_bd; cbd_t __iomem *last_tx_bd; - last_tx_bd = fep->tx_bd_base + ((fpi->tx_ring - 1) * sizeof(cbd_t)); + last_tx_bd = fep->tx_bd_base + (fpi->tx_ring - 1); /* get the current bd held in TBPTR and scan back from this point */ recheck_bd = curr_tbptr = (cbd_t __iomem *) diff --git a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c index a7139f588ad2..678f5018d0be 100644 --- a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c +++ b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c @@ -469,8 +469,8 @@ static int fmvj18x_config(struct pcmcia_device *link) goto failed; } /* Read MACID from CIS */ - for (i = 5; i < 11; i++) - dev->dev_addr[i] = buf[i]; + for (i = 0; i < 6; i++) + dev->dev_addr[i] = buf[i + 5]; kfree(buf); } else { if (pcmcia_get_mac_from_cis(link, dev)) diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index b3645297477e..3bfe36f9405b 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -95,21 +95,17 @@ static struct hnae_buf_ops hnae_bops = { static int __ae_match(struct device *dev, const void *data) { struct hnae_ae_dev *hdev = cls_to_ae_dev(dev); - const char *ae_id = data; - if (!strncmp(ae_id, hdev->name, AE_NAME_SIZE)) - return 1; - - return 0; + return hdev->dev->of_node == data; } -static struct hnae_ae_dev *find_ae(const char *ae_id) +static struct hnae_ae_dev *find_ae(const struct device_node *ae_node) { struct device *dev; - WARN_ON(!ae_id); + WARN_ON(!ae_node); - dev = class_find_device(hnae_class, NULL, ae_id, __ae_match); + dev = class_find_device(hnae_class, NULL, ae_node, __ae_match); return dev ? cls_to_ae_dev(dev) : NULL; } @@ -316,7 +312,8 @@ EXPORT_SYMBOL(hnae_reinit_handle); * return handle ptr or ERR_PTR */ struct hnae_handle *hnae_get_handle(struct device *owner_dev, - const char *ae_id, u32 port_id, + const struct device_node *ae_node, + u32 port_id, struct hnae_buf_ops *bops) { struct hnae_ae_dev *dev; @@ -324,7 +321,7 @@ struct hnae_handle *hnae_get_handle(struct device *owner_dev, int i, j; int ret; - dev = find_ae(ae_id); + dev = find_ae(ae_node); if (!dev) return ERR_PTR(-ENODEV); diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h index 6ca94dc3dda3..1cbcb9fa3fb5 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.h +++ b/drivers/net/ethernet/hisilicon/hns/hnae.h @@ -524,8 +524,11 @@ struct hnae_handle { #define ring_to_dev(ring) ((ring)->q->dev->dev) -struct hnae_handle *hnae_get_handle(struct device *owner_dev, const char *ae_id, - u32 port_id, struct hnae_buf_ops *bops); +struct hnae_handle *hnae_get_handle(struct device *owner_dev, + const struct device_node *ae_node, + u32 port_id, + struct hnae_buf_ops *bops); + void hnae_put_handle(struct hnae_handle *handle); int hnae_ae_register(struct hnae_ae_dev *dev, struct module *owner); void hnae_ae_unregister(struct hnae_ae_dev *dev); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c index 522b264866b4..a0070d0e740d 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c @@ -847,6 +847,7 @@ static struct hnae_ae_ops hns_dsaf_ops = { int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev) { struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev; + static atomic_t id = ATOMIC_INIT(-1); switch (dsaf_dev->dsaf_ver) { case AE_VERSION_1: @@ -858,6 +859,9 @@ int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev) default: break; } + + snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME, + (int)atomic_inc_return(&id)); ae_dev->ops = &hns_dsaf_ops; ae_dev->dev = dsaf_dev->dev; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index 1c33bd06bd5c..9439f04962e1 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -35,7 +35,7 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev) int ret, i; u32 desc_num; u32 buf_size; - const char *name, *mode_str; + const char *mode_str; struct device_node *np = dsaf_dev->dev->of_node; if (of_device_is_compatible(np, "hisilicon,hns-dsaf-v1")) @@ -43,14 +43,6 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev) else dsaf_dev->dsaf_ver = AE_VERSION_2; - ret = of_property_read_string(np, "dsa_name", &name); - if (ret) { - dev_err(dsaf_dev->dev, "get dsaf name fail, ret=%d!\n", ret); - return ret; - } - strncpy(dsaf_dev->ae_dev.name, name, AE_NAME_SIZE); - dsaf_dev->ae_dev.name[AE_NAME_SIZE - 1] = '\0'; - ret = of_property_read_string(np, "mode", &mode_str); if (ret) { dev_err(dsaf_dev->dev, "get dsaf mode fail, ret=%d!\n", ret); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h index 31c312f9826e..40205b910f80 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h @@ -18,6 +18,7 @@ struct hns_mac_cb; #define DSAF_DRV_NAME "hns_dsaf" #define DSAF_MOD_VERSION "v1.0" +#define DSAF_DEVICE_NAME "dsaf" #define HNS_DSAF_DEBUG_NW_REG_OFFSET 0x100000 diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 0e30846a24f8..3f77ff77abbc 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -1802,7 +1802,7 @@ static int hns_nic_try_get_ae(struct net_device *ndev) int ret; h = hnae_get_handle(&priv->netdev->dev, - priv->ae_name, priv->port_id, NULL); + priv->ae_node, priv->port_id, NULL); if (IS_ERR_OR_NULL(h)) { ret = PTR_ERR(h); dev_dbg(priv->dev, "has not handle, register notifier!\n"); @@ -1880,13 +1880,16 @@ static int hns_nic_dev_probe(struct platform_device *pdev) else priv->enet_ver = AE_VERSION_2; - ret = of_property_read_string(node, "ae-name", &priv->ae_name); - if (ret) - goto out_read_string_fail; + priv->ae_node = (void *)of_parse_phandle(node, "ae-handle", 0); + if (IS_ERR_OR_NULL(priv->ae_node)) { + ret = PTR_ERR(priv->ae_node); + dev_err(dev, "not find ae-handle\n"); + goto out_read_prop_fail; + } ret = of_property_read_u32(node, "port-id", &priv->port_id); if (ret) - goto out_read_string_fail; + goto out_read_prop_fail; hns_init_mac_addr(ndev); @@ -1945,7 +1948,7 @@ static int hns_nic_dev_probe(struct platform_device *pdev) out_notify_fail: (void)cancel_work_sync(&priv->service_task); -out_read_string_fail: +out_read_prop_fail: free_netdev(ndev); return ret; } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.h b/drivers/net/ethernet/hisilicon/hns/hns_enet.h index 4b75270f014e..c68ab3d34fc2 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.h @@ -51,7 +51,7 @@ struct hns_nic_ops { }; struct hns_nic_priv { - const char *ae_name; + const struct device_node *ae_node; u32 enet_ver; u32 port_id; int phy_mode; diff --git a/drivers/net/ethernet/hp/hp100.c b/drivers/net/ethernet/hp/hp100.c index 1d5c3e16d8f4..3daf2d4a7ca0 100644 --- a/drivers/net/ethernet/hp/hp100.c +++ b/drivers/net/ethernet/hp/hp100.c @@ -194,7 +194,6 @@ static const char *hp100_isa_tbl[] = { }; #endif -#ifdef CONFIG_EISA static struct eisa_device_id hp100_eisa_tbl[] = { { "HWPF180" }, /* HP J2577 rev A */ { "HWP1920" }, /* HP 27248B */ @@ -205,9 +204,7 @@ static struct eisa_device_id hp100_eisa_tbl[] = { { "" } /* Mandatory final entry ! */ }; MODULE_DEVICE_TABLE(eisa, hp100_eisa_tbl); -#endif -#ifdef CONFIG_PCI static const struct pci_device_id hp100_pci_tbl[] = { {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2585A, PCI_ANY_ID, PCI_ANY_ID,}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2585B, PCI_ANY_ID, PCI_ANY_ID,}, @@ -219,7 +216,6 @@ static const struct pci_device_id hp100_pci_tbl[] = { {} /* Terminating entry */ }; MODULE_DEVICE_TABLE(pci, hp100_pci_tbl); -#endif static int hp100_rx_ratio = HP100_DEFAULT_RX_RATIO; static int hp100_priority_tx = HP100_DEFAULT_PRIORITY_TX; @@ -2842,7 +2838,6 @@ static void cleanup_dev(struct net_device *d) free_netdev(d); } -#ifdef CONFIG_EISA static int hp100_eisa_probe(struct device *gendev) { struct net_device *dev = alloc_etherdev(sizeof(struct hp100_private)); @@ -2884,9 +2879,7 @@ static struct eisa_driver hp100_eisa_driver = { .remove = hp100_eisa_remove, } }; -#endif -#ifdef CONFIG_PCI static int hp100_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -2955,7 +2948,6 @@ static struct pci_driver hp100_pci_driver = { .probe = hp100_pci_probe, .remove = hp100_pci_remove, }; -#endif /* * module section @@ -3032,23 +3024,17 @@ static int __init hp100_module_init(void) err = hp100_isa_init(); if (err && err != -ENODEV) goto out; -#ifdef CONFIG_EISA err = eisa_driver_register(&hp100_eisa_driver); if (err && err != -ENODEV) goto out2; -#endif -#ifdef CONFIG_PCI err = pci_register_driver(&hp100_pci_driver); if (err && err != -ENODEV) goto out3; -#endif out: return err; out3: -#ifdef CONFIG_EISA eisa_driver_unregister (&hp100_eisa_driver); out2: -#endif hp100_isa_cleanup(); goto out; } @@ -3057,12 +3043,8 @@ static int __init hp100_module_init(void) static void __exit hp100_module_exit(void) { hp100_isa_cleanup(); -#ifdef CONFIG_EISA eisa_driver_unregister (&hp100_eisa_driver); -#endif -#ifdef CONFIG_PCI pci_unregister_driver (&hp100_pci_driver); -#endif } module_init(hp100_module_init) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index bb4612c159fd..8f3b53e0dc46 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -7117,9 +7117,7 @@ static void i40e_service_task(struct work_struct *work) i40e_watchdog_subtask(pf); i40e_fdir_reinit_subtask(pf); i40e_sync_filters_subtask(pf); -#if IS_ENABLED(CONFIG_VXLAN) || IS_ENABLED(CONFIG_GENEVE) i40e_sync_udp_filters_subtask(pf); -#endif i40e_clean_adminq_subtask(pf); i40e_service_event_complete(pf); @@ -8515,6 +8513,8 @@ static u8 i40e_get_udp_port_idx(struct i40e_pf *pf, __be16 port) } #endif + +#if IS_ENABLED(CONFIG_VXLAN) /** * i40e_add_vxlan_port - Get notifications about VXLAN ports that come up * @netdev: This physical port's netdev @@ -8524,7 +8524,6 @@ static u8 i40e_get_udp_port_idx(struct i40e_pf *pf, __be16 port) static void i40e_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family, __be16 port) { -#if IS_ENABLED(CONFIG_VXLAN) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; @@ -8557,7 +8556,6 @@ static void i40e_add_vxlan_port(struct net_device *netdev, pf->udp_ports[next_idx].type = I40E_AQC_TUNNEL_TYPE_VXLAN; pf->pending_udp_bitmap |= BIT_ULL(next_idx); pf->flags |= I40E_FLAG_UDP_FILTER_SYNC; -#endif } /** @@ -8569,7 +8567,6 @@ static void i40e_add_vxlan_port(struct net_device *netdev, static void i40e_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, __be16 port) { -#if IS_ENABLED(CONFIG_VXLAN) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; @@ -8592,9 +8589,10 @@ static void i40e_del_vxlan_port(struct net_device *netdev, netdev_warn(netdev, "vxlan port %d was not found, not deleting\n", ntohs(port)); } -#endif } +#endif +#if IS_ENABLED(CONFIG_GENEVE) /** * i40e_add_geneve_port - Get notifications about GENEVE ports that come up * @netdev: This physical port's netdev @@ -8604,7 +8602,6 @@ static void i40e_del_vxlan_port(struct net_device *netdev, static void i40e_add_geneve_port(struct net_device *netdev, sa_family_t sa_family, __be16 port) { -#if IS_ENABLED(CONFIG_GENEVE) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; @@ -8639,7 +8636,6 @@ static void i40e_add_geneve_port(struct net_device *netdev, pf->flags |= I40E_FLAG_UDP_FILTER_SYNC; dev_info(&pf->pdev->dev, "adding geneve port %d\n", ntohs(port)); -#endif } /** @@ -8651,7 +8647,6 @@ static void i40e_add_geneve_port(struct net_device *netdev, static void i40e_del_geneve_port(struct net_device *netdev, sa_family_t sa_family, __be16 port) { -#if IS_ENABLED(CONFIG_GENEVE) struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; struct i40e_pf *pf = vsi->back; @@ -8677,8 +8672,8 @@ static void i40e_del_geneve_port(struct net_device *netdev, netdev_warn(netdev, "geneve port %d was not found, not deleting\n", ntohs(port)); } -#endif } +#endif static int i40e_get_phys_port_id(struct net_device *netdev, struct netdev_phys_item_id *ppid) diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 720516b0e8ee..47bd8b3145a7 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2313,8 +2313,8 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, struct iphdr *this_ip_hdr; u32 network_hdr_len; u8 l4_hdr = 0; - struct udphdr *oudph; - struct iphdr *oiph; + struct udphdr *oudph = NULL; + struct iphdr *oiph = NULL; u32 l4_tunnel = 0; if (skb->encapsulation) { diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index a0c03834a2f7..55831188bc32 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -762,10 +762,10 @@ txq_put_data_tso(struct net_device *dev, struct tx_queue *txq, if (length <= 8 && (uintptr_t)data & 0x7) { /* Copy unaligned small data fragment to TSO header data area */ - memcpy(txq->tso_hdrs + txq->tx_curr_desc * TSO_HEADER_SIZE, + memcpy(txq->tso_hdrs + tx_index * TSO_HEADER_SIZE, data, length); desc->buf_ptr = txq->tso_hdrs_dma - + txq->tx_curr_desc * TSO_HEADER_SIZE; + + tx_index * TSO_HEADER_SIZE; } else { /* Alignment is okay, map buffer and hand off to hardware */ txq->tx_desc_mapping[tx_index] = DESC_DMA_MAP_SINGLE; diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index fabc8df40392..b0ae69f84493 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -11,28 +11,28 @@ * warranty of any kind, whether express or implied. */ -#include <linux/kernel.h> -#include <linux/netdevice.h> +#include <linux/clk.h> +#include <linux/cpu.h> #include <linux/etherdevice.h> -#include <linux/platform_device.h> -#include <linux/skbuff.h> +#include <linux/if_vlan.h> #include <linux/inetdevice.h> -#include <linux/mbus.h> -#include <linux/module.h> #include <linux/interrupt.h> -#include <linux/if_vlan.h> -#include <net/ip.h> -#include <net/ipv6.h> #include <linux/io.h> -#include <net/tso.h> +#include <linux/kernel.h> +#include <linux/mbus.h> +#include <linux/module.h> +#include <linux/netdevice.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_mdio.h> #include <linux/of_net.h> -#include <linux/of_address.h> #include <linux/phy.h> -#include <linux/clk.h> -#include <linux/cpu.h> +#include <linux/platform_device.h> +#include <linux/skbuff.h> +#include <net/ip.h> +#include <net/ipv6.h> +#include <net/tso.h> /* Registers */ #define MVNETA_RXQ_CONFIG_REG(q) (0x1400 + ((q) << 2)) @@ -370,9 +370,16 @@ struct mvneta_port { struct net_device *dev; struct notifier_block cpu_notifier; int rxq_def; + /* Protect the access to the percpu interrupt registers, + * ensuring that the configuration remains coherent. + */ + spinlock_t lock; + bool is_stopped; /* Core clock */ struct clk *clk; + /* AXI clock */ + struct clk *clk_bus; u8 mcast_count[256]; u16 tx_ring_size; u16 rx_ring_size; @@ -1036,6 +1043,43 @@ static void mvneta_set_autoneg(struct mvneta_port *pp, int enable) } } +static void mvneta_percpu_unmask_interrupt(void *arg) +{ + struct mvneta_port *pp = arg; + + /* All the queue are unmasked, but actually only the ones + * mapped to this CPU will be unmasked + */ + mvreg_write(pp, MVNETA_INTR_NEW_MASK, + MVNETA_RX_INTR_MASK_ALL | + MVNETA_TX_INTR_MASK_ALL | + MVNETA_MISCINTR_INTR_MASK); +} + +static void mvneta_percpu_mask_interrupt(void *arg) +{ + struct mvneta_port *pp = arg; + + /* All the queue are masked, but actually only the ones + * mapped to this CPU will be masked + */ + mvreg_write(pp, MVNETA_INTR_NEW_MASK, 0); + mvreg_write(pp, MVNETA_INTR_OLD_MASK, 0); + mvreg_write(pp, MVNETA_INTR_MISC_MASK, 0); +} + +static void mvneta_percpu_clear_intr_cause(void *arg) +{ + struct mvneta_port *pp = arg; + + /* All the queue are cleared, but actually only the ones + * mapped to this CPU will be cleared + */ + mvreg_write(pp, MVNETA_INTR_NEW_CAUSE, 0); + mvreg_write(pp, MVNETA_INTR_MISC_CAUSE, 0); + mvreg_write(pp, MVNETA_INTR_OLD_CAUSE, 0); +} + /* This method sets defaults to the NETA port: * Clears interrupt Cause and Mask registers. * Clears all MAC tables. @@ -1053,14 +1097,10 @@ static void mvneta_defaults_set(struct mvneta_port *pp) int max_cpu = num_present_cpus(); /* Clear all Cause registers */ - mvreg_write(pp, MVNETA_INTR_NEW_CAUSE, 0); - mvreg_write(pp, MVNETA_INTR_OLD_CAUSE, 0); - mvreg_write(pp, MVNETA_INTR_MISC_CAUSE, 0); + on_each_cpu(mvneta_percpu_clear_intr_cause, pp, true); /* Mask all interrupts */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, 0); - mvreg_write(pp, MVNETA_INTR_OLD_MASK, 0); - mvreg_write(pp, MVNETA_INTR_MISC_MASK, 0); + on_each_cpu(mvneta_percpu_mask_interrupt, pp, true); mvreg_write(pp, MVNETA_INTR_ENABLE, 0); /* Enable MBUS Retry bit16 */ @@ -2526,34 +2566,9 @@ static int mvneta_setup_txqs(struct mvneta_port *pp) return 0; } -static void mvneta_percpu_unmask_interrupt(void *arg) -{ - struct mvneta_port *pp = arg; - - /* All the queue are unmasked, but actually only the ones - * maped to this CPU will be unmasked - */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, - MVNETA_RX_INTR_MASK_ALL | - MVNETA_TX_INTR_MASK_ALL | - MVNETA_MISCINTR_INTR_MASK); -} - -static void mvneta_percpu_mask_interrupt(void *arg) -{ - struct mvneta_port *pp = arg; - - /* All the queue are masked, but actually only the ones - * maped to this CPU will be masked - */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, 0); - mvreg_write(pp, MVNETA_INTR_OLD_MASK, 0); - mvreg_write(pp, MVNETA_INTR_MISC_MASK, 0); -} - static void mvneta_start_dev(struct mvneta_port *pp) { - unsigned int cpu; + int cpu; mvneta_max_rx_size_set(pp, pp->pkt_size); mvneta_txq_max_tx_size_set(pp, pp->pkt_size); @@ -2562,16 +2577,15 @@ static void mvneta_start_dev(struct mvneta_port *pp) mvneta_port_enable(pp); /* Enable polling on the port */ - for_each_present_cpu(cpu) { + for_each_online_cpu(cpu) { struct mvneta_pcpu_port *port = per_cpu_ptr(pp->ports, cpu); napi_enable(&port->napi); } /* Unmask interrupts. It has to be done from each CPU */ - for_each_online_cpu(cpu) - smp_call_function_single(cpu, mvneta_percpu_unmask_interrupt, - pp, true); + on_each_cpu(mvneta_percpu_unmask_interrupt, pp, true); + mvreg_write(pp, MVNETA_INTR_MISC_MASK, MVNETA_CAUSE_PHY_STATUS_CHANGE | MVNETA_CAUSE_LINK_CHANGE | @@ -2587,7 +2601,7 @@ static void mvneta_stop_dev(struct mvneta_port *pp) phy_stop(pp->phy_dev); - for_each_present_cpu(cpu) { + for_each_online_cpu(cpu) { struct mvneta_pcpu_port *port = per_cpu_ptr(pp->ports, cpu); napi_disable(&port->napi); @@ -2602,13 +2616,10 @@ static void mvneta_stop_dev(struct mvneta_port *pp) mvneta_port_disable(pp); /* Clear all ethernet port interrupts */ - mvreg_write(pp, MVNETA_INTR_MISC_CAUSE, 0); - mvreg_write(pp, MVNETA_INTR_OLD_CAUSE, 0); + on_each_cpu(mvneta_percpu_clear_intr_cause, pp, true); /* Mask all ethernet port interrupts */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, 0); - mvreg_write(pp, MVNETA_INTR_OLD_MASK, 0); - mvreg_write(pp, MVNETA_INTR_MISC_MASK, 0); + on_each_cpu(mvneta_percpu_mask_interrupt, pp, true); mvneta_tx_reset(pp); mvneta_rx_reset(pp); @@ -2845,11 +2856,20 @@ static void mvneta_percpu_disable(void *arg) disable_percpu_irq(pp->dev->irq); } +/* Electing a CPU must be done in an atomic way: it should be done + * after or before the removal/insertion of a CPU and this function is + * not reentrant. + */ static void mvneta_percpu_elect(struct mvneta_port *pp) { - int online_cpu_idx, max_cpu, cpu, i = 0; + int elected_cpu = 0, max_cpu, cpu, i = 0; + + /* Use the cpu associated to the rxq when it is online, in all + * the other cases, use the cpu 0 which can't be offline. + */ + if (cpu_online(pp->rxq_def)) + elected_cpu = pp->rxq_def; - online_cpu_idx = pp->rxq_def % num_online_cpus(); max_cpu = num_present_cpus(); for_each_online_cpu(cpu) { @@ -2860,7 +2880,7 @@ static void mvneta_percpu_elect(struct mvneta_port *pp) if ((rxq % max_cpu) == cpu) rxq_map |= MVNETA_CPU_RXQ_ACCESS(rxq); - if (i == online_cpu_idx) + if (cpu == elected_cpu) /* Map the default receive queue queue to the * elected CPU */ @@ -2871,7 +2891,7 @@ static void mvneta_percpu_elect(struct mvneta_port *pp) * the CPU bound to the default RX queue */ if (txq_number == 1) - txq_map = (i == online_cpu_idx) ? + txq_map = (cpu == elected_cpu) ? MVNETA_CPU_TXQ_ACCESS(1) : 0; else txq_map = mvreg_read(pp, MVNETA_CPU_MAP(cpu)) & @@ -2900,6 +2920,14 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: case CPU_ONLINE_FROZEN: + spin_lock(&pp->lock); + /* Configuring the driver for a new CPU while the + * driver is stopping is racy, so just avoid it. + */ + if (pp->is_stopped) { + spin_unlock(&pp->lock); + break; + } netif_tx_stop_all_queues(pp->dev); /* We have to synchronise on tha napi of each CPU @@ -2915,9 +2943,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, } /* Mask all ethernet port interrupts */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, 0); - mvreg_write(pp, MVNETA_INTR_OLD_MASK, 0); - mvreg_write(pp, MVNETA_INTR_MISC_MASK, 0); + on_each_cpu(mvneta_percpu_mask_interrupt, pp, true); napi_enable(&port->napi); @@ -2932,27 +2958,25 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, */ mvneta_percpu_elect(pp); - /* Unmask all ethernet port interrupts, as this - * notifier is called for each CPU then the CPU to - * Queue mapping is applied - */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, - MVNETA_RX_INTR_MASK(rxq_number) | - MVNETA_TX_INTR_MASK(txq_number) | - MVNETA_MISCINTR_INTR_MASK); + /* Unmask all ethernet port interrupts */ + on_each_cpu(mvneta_percpu_unmask_interrupt, pp, true); mvreg_write(pp, MVNETA_INTR_MISC_MASK, MVNETA_CAUSE_PHY_STATUS_CHANGE | MVNETA_CAUSE_LINK_CHANGE | MVNETA_CAUSE_PSC_SYNC_CHANGE); netif_tx_start_all_queues(pp->dev); + spin_unlock(&pp->lock); break; case CPU_DOWN_PREPARE: case CPU_DOWN_PREPARE_FROZEN: netif_tx_stop_all_queues(pp->dev); + /* Thanks to this lock we are sure that any pending + * cpu election is done + */ + spin_lock(&pp->lock); /* Mask all ethernet port interrupts */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, 0); - mvreg_write(pp, MVNETA_INTR_OLD_MASK, 0); - mvreg_write(pp, MVNETA_INTR_MISC_MASK, 0); + on_each_cpu(mvneta_percpu_mask_interrupt, pp, true); + spin_unlock(&pp->lock); napi_synchronize(&port->napi); napi_disable(&port->napi); @@ -2966,12 +2990,11 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, case CPU_DEAD: case CPU_DEAD_FROZEN: /* Check if a new CPU must be elected now this on is down */ + spin_lock(&pp->lock); mvneta_percpu_elect(pp); + spin_unlock(&pp->lock); /* Unmask all ethernet port interrupts */ - mvreg_write(pp, MVNETA_INTR_NEW_MASK, - MVNETA_RX_INTR_MASK(rxq_number) | - MVNETA_TX_INTR_MASK(txq_number) | - MVNETA_MISCINTR_INTR_MASK); + on_each_cpu(mvneta_percpu_unmask_interrupt, pp, true); mvreg_write(pp, MVNETA_INTR_MISC_MASK, MVNETA_CAUSE_PHY_STATUS_CHANGE | MVNETA_CAUSE_LINK_CHANGE | @@ -2986,7 +3009,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, static int mvneta_open(struct net_device *dev) { struct mvneta_port *pp = netdev_priv(dev); - int ret, cpu; + int ret; pp->pkt_size = MVNETA_RX_PKT_SIZE(pp->dev->mtu); pp->frag_size = SKB_DATA_ALIGN(MVNETA_RX_BUF_SIZE(pp->pkt_size)) + @@ -3008,22 +3031,12 @@ static int mvneta_open(struct net_device *dev) goto err_cleanup_txqs; } - /* Even though the documentation says that request_percpu_irq - * doesn't enable the interrupts automatically, it actually - * does so on the local CPU. - * - * Make sure it's disabled. - */ - mvneta_percpu_disable(pp); - /* Enable per-CPU interrupt on all the CPU to handle our RX * queue interrupts */ - for_each_online_cpu(cpu) - smp_call_function_single(cpu, mvneta_percpu_enable, - pp, true); - + on_each_cpu(mvneta_percpu_enable, pp, true); + pp->is_stopped = false; /* Register a CPU notifier to handle the case where our CPU * might be taken offline. */ @@ -3055,13 +3068,20 @@ err_cleanup_rxqs: static int mvneta_stop(struct net_device *dev) { struct mvneta_port *pp = netdev_priv(dev); - int cpu; + /* Inform that we are stopping so we don't want to setup the + * driver for new CPUs in the notifiers + */ + spin_lock(&pp->lock); + pp->is_stopped = true; mvneta_stop_dev(pp); mvneta_mdio_remove(pp); unregister_cpu_notifier(&pp->cpu_notifier); - for_each_present_cpu(cpu) - smp_call_function_single(cpu, mvneta_percpu_disable, pp, true); + /* Now that the notifier are unregistered, we can release le + * lock + */ + spin_unlock(&pp->lock); + on_each_cpu(mvneta_percpu_disable, pp, true); free_percpu_irq(dev->irq, pp->ports); mvneta_cleanup_rxqs(pp); mvneta_cleanup_txqs(pp); @@ -3242,26 +3262,25 @@ static void mvneta_ethtool_update_stats(struct mvneta_port *pp) const struct mvneta_statistic *s; void __iomem *base = pp->base; u32 high, low, val; + u64 val64; int i; for (i = 0, s = mvneta_statistics; s < mvneta_statistics + ARRAY_SIZE(mvneta_statistics); s++, i++) { - val = 0; - switch (s->type) { case T_REG_32: val = readl_relaxed(base + s->offset); + pp->ethtool_stats[i] += val; break; case T_REG_64: /* Docs say to read low 32-bit then high */ low = readl_relaxed(base + s->offset); high = readl_relaxed(base + s->offset + 4); - val = (u64)high << 32 | low; + val64 = (u64)high << 32 | low; + pp->ethtool_stats[i] += val64; break; } - - pp->ethtool_stats[i] += val; } } @@ -3311,9 +3330,7 @@ static int mvneta_config_rss(struct mvneta_port *pp) netif_tx_stop_all_queues(pp->dev); - for_each_online_cpu(cpu) - smp_call_function_single(cpu, mvneta_percpu_mask_interrupt, - pp, true); + on_each_cpu(mvneta_percpu_mask_interrupt, pp, true); /* We have to synchronise on the napi of each CPU */ for_each_online_cpu(cpu) { @@ -3334,7 +3351,9 @@ static int mvneta_config_rss(struct mvneta_port *pp) mvreg_write(pp, MVNETA_PORT_CONFIG, val); /* Update the elected CPU matching the new rxq_def */ + spin_lock(&pp->lock); mvneta_percpu_elect(pp); + spin_unlock(&pp->lock); /* We have to synchronise on the napi of each CPU */ for_each_online_cpu(cpu) { @@ -3605,7 +3624,9 @@ static int mvneta_probe(struct platform_device *pdev) pp->indir[0] = rxq_def; - pp->clk = devm_clk_get(&pdev->dev, NULL); + pp->clk = devm_clk_get(&pdev->dev, "core"); + if (IS_ERR(pp->clk)) + pp->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pp->clk)) { err = PTR_ERR(pp->clk); goto err_put_phy_node; @@ -3613,6 +3634,10 @@ static int mvneta_probe(struct platform_device *pdev) clk_prepare_enable(pp->clk); + pp->clk_bus = devm_clk_get(&pdev->dev, "bus"); + if (!IS_ERR(pp->clk_bus)) + clk_prepare_enable(pp->clk_bus); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); pp->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(pp->base)) { @@ -3724,6 +3749,7 @@ err_free_stats: err_free_ports: free_percpu(pp->ports); err_clk: + clk_disable_unprepare(pp->clk_bus); clk_disable_unprepare(pp->clk); err_put_phy_node: of_node_put(phy_node); @@ -3741,6 +3767,7 @@ static int mvneta_remove(struct platform_device *pdev) struct mvneta_port *pp = netdev_priv(dev); unregister_netdev(dev); + clk_disable_unprepare(pp->clk_bus); clk_disable_unprepare(pp->clk); free_percpu(pp->ports); free_percpu(pp->stats); diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index a4beccf1fd46..c797971aefab 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -3061,7 +3061,7 @@ static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port, pe = kzalloc(sizeof(*pe), GFP_KERNEL); if (!pe) - return -1; + return -ENOMEM; mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC); pe->index = tid; @@ -3077,7 +3077,7 @@ static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port, if (pmap == 0) { if (add) { kfree(pe); - return -1; + return -EINVAL; } mvpp2_prs_hw_inv(priv, pe->index); priv->prs_shadow[pe->index].valid = false; diff --git a/drivers/net/ethernet/mellanox/mlx4/catas.c b/drivers/net/ethernet/mellanox/mlx4/catas.c index 715de8affcc9..c7e939945259 100644 --- a/drivers/net/ethernet/mellanox/mlx4/catas.c +++ b/drivers/net/ethernet/mellanox/mlx4/catas.c @@ -182,10 +182,17 @@ void mlx4_enter_error_state(struct mlx4_dev_persistent *persist) err = mlx4_reset_slave(dev); else err = mlx4_reset_master(dev); - BUG_ON(err != 0); + if (!err) { + mlx4_err(dev, "device was reset successfully\n"); + } else { + /* EEH could have disabled the PCI channel during reset. That's + * recoverable and the PCI error flow will handle it. + */ + if (!pci_channel_offline(dev->persist->pdev)) + BUG_ON(1); + } dev->persist->state |= MLX4_DEVICE_STATE_INTERNAL_ERROR; - mlx4_err(dev, "device was reset successfully\n"); mutex_unlock(&persist->device_state_mutex); /* At that step HW was already reset, now notify clients */ diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index 3348e646db70..a849da92f857 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -318,7 +318,9 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, if (timestamp_en) cq_context->flags |= cpu_to_be32(1 << 19); - cq_context->logsize_usrpage = cpu_to_be32((ilog2(nent) << 24) | uar->index); + cq_context->logsize_usrpage = + cpu_to_be32((ilog2(nent) << 24) | + mlx4_to_hw_uar_index(dev, uar->index)); cq_context->comp_eqn = priv->eq_table.eq[MLX4_CQ_TO_EQ_VECTOR(vector)].eqn; cq_context->log_page_size = mtt->page_shift - MLX4_ICM_PAGE_SHIFT; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 038f9ce391e6..1494997c4f7e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c @@ -236,6 +236,24 @@ static const struct ptp_clock_info mlx4_en_ptp_clock_info = { .enable = mlx4_en_phc_enable, }; +#define MLX4_EN_WRAP_AROUND_SEC 10ULL + +/* This function calculates the max shift that enables the user range + * of MLX4_EN_WRAP_AROUND_SEC values in the cycles register. + */ +static u32 freq_to_shift(u16 freq) +{ + u32 freq_khz = freq * 1000; + u64 max_val_cycles = freq_khz * 1000 * MLX4_EN_WRAP_AROUND_SEC; + u64 max_val_cycles_rounded = is_power_of_2(max_val_cycles + 1) ? + max_val_cycles : roundup_pow_of_two(max_val_cycles) - 1; + /* calculate max possible multiplier in order to fit in 64bit */ + u64 max_mul = div_u64(0xffffffffffffffffULL, max_val_cycles_rounded); + + /* This comes from the reverse of clocksource_khz2mult */ + return ilog2(div_u64(max_mul * freq_khz, 1000000)); +} + void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) { struct mlx4_dev *dev = mdev->dev; @@ -254,12 +272,7 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) memset(&mdev->cycles, 0, sizeof(mdev->cycles)); mdev->cycles.read = mlx4_en_read_clock; mdev->cycles.mask = CLOCKSOURCE_MASK(48); - /* Using shift to make calculation more accurate. Since current HW - * clock frequency is 427 MHz, and cycles are given using a 48 bits - * register, the biggest shift when calculating using u64, is 14 - * (max_cycles * multiplier < 2^64) - */ - mdev->cycles.shift = 14; + mdev->cycles.shift = freq_to_shift(dev->caps.hca_core_clock); mdev->cycles.mult = clocksource_khz2mult(1000 * dev->caps.hca_core_clock, mdev->cycles.shift); mdev->nominal_c_mult = mdev->cycles.mult; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 0c7e3f69a73b..f191a1612589 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2344,8 +2344,6 @@ out: /* set offloads */ priv->dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL; - priv->dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; - priv->dev->features |= NETIF_F_GSO_UDP_TUNNEL; } static void mlx4_en_del_vxlan_offloads(struct work_struct *work) @@ -2356,8 +2354,6 @@ static void mlx4_en_del_vxlan_offloads(struct work_struct *work) /* unset offloads */ priv->dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL); - priv->dev->hw_features &= ~NETIF_F_GSO_UDP_TUNNEL; - priv->dev->features &= ~NETIF_F_GSO_UDP_TUNNEL; ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 0); @@ -2980,6 +2976,11 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, priv->rss_hash_fn = ETH_RSS_HASH_TOP; } + if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { + dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; + dev->features |= NETIF_F_GSO_UDP_TUNNEL; + } + mdev->pndev[port] = dev; mdev->upper[port] = NULL; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c index ee99e67187f5..3904b5fc0b7c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c @@ -238,11 +238,11 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) stats->collisions = 0; stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP); stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength); - stats->rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); + stats->rx_over_errors = 0; stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC); stats->rx_frame_errors = 0; stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); - stats->rx_missed_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); + stats->rx_missed_errors = 0; stats->tx_aborted_errors = 0; stats->tx_carrier_errors = 0; stats->tx_fifo_errors = 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_resources.c b/drivers/net/ethernet/mellanox/mlx4/en_resources.c index 12aab5a659d3..02e925d6f734 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_resources.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_resources.c @@ -58,7 +58,8 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, } else { context->sq_size_stride = ilog2(TXBB_SIZE) - 4; } - context->usr_page = cpu_to_be32(mdev->priv_uar.index); + context->usr_page = cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev, + mdev->priv_uar.index)); context->local_qpn = cpu_to_be32(qpn); context->pri_path.ackto = 1 & 0x07; context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 4421bf5463f6..e0946ab22010 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -213,7 +213,9 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 1, 0, ring->qpn, ring->cqn, user_prio, &ring->context); if (ring->bf_alloced) - ring->context.usr_page = cpu_to_be32(ring->bf.uar->index); + ring->context.usr_page = + cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev, + ring->bf.uar->index)); err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, &ring->context, &ring->qp, &ring->qp_state); diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index 4696053165f8..f613977455e0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -940,9 +940,10 @@ static void __iomem *mlx4_get_eq_uar(struct mlx4_dev *dev, struct mlx4_eq *eq) if (!priv->eq_table.uar_map[index]) { priv->eq_table.uar_map[index] = - ioremap(pci_resource_start(dev->persist->pdev, 2) + - ((eq->eqn / 4) << PAGE_SHIFT), - PAGE_SIZE); + ioremap( + pci_resource_start(dev->persist->pdev, 2) + + ((eq->eqn / 4) << (dev->uar_page_shift)), + (1 << (dev->uar_page_shift))); if (!priv->eq_table.uar_map[index]) { mlx4_err(dev, "Couldn't map EQ doorbell for EQN 0x%06x\n", eq->eqn); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index f1b6d219e445..2cc3c626c3fe 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -168,6 +168,20 @@ struct mlx4_port_config { static atomic_t pf_loading = ATOMIC_INIT(0); +static inline void mlx4_set_num_reserved_uars(struct mlx4_dev *dev, + struct mlx4_dev_cap *dev_cap) +{ + /* The reserved_uars is calculated by system page size unit. + * Therefore, adjustment is added when the uar page size is less + * than the system page size + */ + dev->caps.reserved_uars = + max_t(int, + mlx4_get_num_reserved_uar(dev), + dev_cap->reserved_uars / + (1 << (PAGE_SHIFT - dev->uar_page_shift))); +} + int mlx4_check_port_params(struct mlx4_dev *dev, enum mlx4_port_type *port_type) { @@ -386,8 +400,6 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.reserved_mtts = dev_cap->reserved_mtts; dev->caps.reserved_mrws = dev_cap->reserved_mrws; - /* The first 128 UARs are used for EQ doorbells */ - dev->caps.reserved_uars = max_t(int, 128, dev_cap->reserved_uars); dev->caps.reserved_pds = dev_cap->reserved_pds; dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? dev_cap->reserved_xrcds : 0; @@ -405,6 +417,15 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.max_gso_sz = dev_cap->max_gso_sz; dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; + /* Save uar page shift */ + if (!mlx4_is_slave(dev)) { + /* Virtual PCI function needs to determine UAR page size from + * firmware. Only master PCI function can set the uar page size + */ + dev->uar_page_shift = DEFAULT_UAR_PAGE_SHIFT; + mlx4_set_num_reserved_uars(dev, dev_cap); + } + if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN) { struct mlx4_init_hca_param hca_param; @@ -815,16 +836,25 @@ static int mlx4_slave_cap(struct mlx4_dev *dev) return -ENODEV; } - /* slave gets uar page size from QUERY_HCA fw command */ - dev->caps.uar_page_size = 1 << (hca_param.uar_page_sz + 12); + /* Set uar_page_shift for VF */ + dev->uar_page_shift = hca_param.uar_page_sz + 12; - /* TODO: relax this assumption */ - if (dev->caps.uar_page_size != PAGE_SIZE) { - mlx4_err(dev, "UAR size:%d != kernel PAGE_SIZE of %ld\n", - dev->caps.uar_page_size, PAGE_SIZE); - return -ENODEV; + /* Make sure the master uar page size is valid */ + if (dev->uar_page_shift > PAGE_SHIFT) { + mlx4_err(dev, + "Invalid configuration: uar page size is larger than system page size\n"); + return -ENODEV; } + /* Set reserved_uars based on the uar_page_shift */ + mlx4_set_num_reserved_uars(dev, &dev_cap); + + /* Although uar page size in FW differs from system page size, + * upper software layers (mlx4_ib, mlx4_en and part of mlx4_core) + * still works with assumption that uar page size == system page size + */ + dev->caps.uar_page_size = PAGE_SIZE; + memset(&func_cap, 0, sizeof(func_cap)); err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap); if (err) { @@ -2179,8 +2209,12 @@ static int mlx4_init_hca(struct mlx4_dev *dev) dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; - init_hca.log_uar_sz = ilog2(dev->caps.num_uars); - init_hca.uar_page_sz = PAGE_SHIFT - 12; + /* Always set UAR page size 4KB, set log_uar_sz accordingly */ + init_hca.log_uar_sz = ilog2(dev->caps.num_uars) + + PAGE_SHIFT - + DEFAULT_UAR_PAGE_SHIFT; + init_hca.uar_page_sz = DEFAULT_UAR_PAGE_SHIFT - 12; + init_hca.mw_enabled = 0; if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) diff --git a/drivers/net/ethernet/mellanox/mlx4/pd.c b/drivers/net/ethernet/mellanox/mlx4/pd.c index 609c59dc854e..b3cc3ab63799 100644 --- a/drivers/net/ethernet/mellanox/mlx4/pd.c +++ b/drivers/net/ethernet/mellanox/mlx4/pd.c @@ -269,9 +269,15 @@ EXPORT_SYMBOL_GPL(mlx4_bf_free); int mlx4_init_uar_table(struct mlx4_dev *dev) { - if (dev->caps.num_uars <= 128) { - mlx4_err(dev, "Only %d UAR pages (need more than 128)\n", - dev->caps.num_uars); + int num_reserved_uar = mlx4_get_num_reserved_uar(dev); + + mlx4_dbg(dev, "uar_page_shift = %d", dev->uar_page_shift); + mlx4_dbg(dev, "Effective reserved_uars=%d", dev->caps.reserved_uars); + + if (dev->caps.num_uars <= num_reserved_uar) { + mlx4_err( + dev, "Only %d UAR pages (need more than %d)\n", + dev->caps.num_uars, num_reserved_uar); mlx4_err(dev, "Increase firmware log2_uar_bar_megabytes?\n"); return -ENODEV; } diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index b46dbe29ef6c..25ce1b030a00 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -915,11 +915,13 @@ static int handle_existing_counter(struct mlx4_dev *dev, u8 slave, int port, spin_lock_irq(mlx4_tlock(dev)); r = find_res(dev, counter_index, RES_COUNTER); - if (!r || r->owner != slave) + if (!r || r->owner != slave) { ret = -EINVAL; - counter = container_of(r, struct res_counter, com); - if (!counter->port) - counter->port = port; + } else { + counter = container_of(r, struct res_counter, com); + if (!counter->port) + counter->port = port; + } spin_unlock_irq(mlx4_tlock(dev)); return ret; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 6a3e430f1062..d4e1c3045200 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -2024,18 +2024,37 @@ static int mlx5e_get_vf_stats(struct net_device *dev, vf_stats); } -static struct net_device_ops mlx5e_netdev_ops = { +static const struct net_device_ops mlx5e_netdev_ops_basic = { .ndo_open = mlx5e_open, .ndo_stop = mlx5e_close, .ndo_start_xmit = mlx5e_xmit, .ndo_get_stats64 = mlx5e_get_stats, .ndo_set_rx_mode = mlx5e_set_rx_mode, .ndo_set_mac_address = mlx5e_set_mac, - .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, + .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, .ndo_set_features = mlx5e_set_features, - .ndo_change_mtu = mlx5e_change_mtu, - .ndo_do_ioctl = mlx5e_ioctl, + .ndo_change_mtu = mlx5e_change_mtu, + .ndo_do_ioctl = mlx5e_ioctl, +}; + +static const struct net_device_ops mlx5e_netdev_ops_sriov = { + .ndo_open = mlx5e_open, + .ndo_stop = mlx5e_close, + .ndo_start_xmit = mlx5e_xmit, + .ndo_get_stats64 = mlx5e_get_stats, + .ndo_set_rx_mode = mlx5e_set_rx_mode, + .ndo_set_mac_address = mlx5e_set_mac, + .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, + .ndo_set_features = mlx5e_set_features, + .ndo_change_mtu = mlx5e_change_mtu, + .ndo_do_ioctl = mlx5e_ioctl, + .ndo_set_vf_mac = mlx5e_set_vf_mac, + .ndo_set_vf_vlan = mlx5e_set_vf_vlan, + .ndo_get_vf_config = mlx5e_get_vf_config, + .ndo_set_vf_link_state = mlx5e_set_vf_link_state, + .ndo_get_vf_stats = mlx5e_get_vf_stats, }; static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) @@ -2137,18 +2156,11 @@ static void mlx5e_build_netdev(struct net_device *netdev) SET_NETDEV_DEV(netdev, &mdev->pdev->dev); - if (priv->params.num_tc > 1) - mlx5e_netdev_ops.ndo_select_queue = mlx5e_select_queue; - - if (MLX5_CAP_GEN(mdev, vport_group_manager)) { - mlx5e_netdev_ops.ndo_set_vf_mac = mlx5e_set_vf_mac; - mlx5e_netdev_ops.ndo_set_vf_vlan = mlx5e_set_vf_vlan; - mlx5e_netdev_ops.ndo_get_vf_config = mlx5e_get_vf_config; - mlx5e_netdev_ops.ndo_set_vf_link_state = mlx5e_set_vf_link_state; - mlx5e_netdev_ops.ndo_get_vf_stats = mlx5e_get_vf_stats; - } + if (MLX5_CAP_GEN(mdev, vport_group_manager)) + netdev->netdev_ops = &mlx5e_netdev_ops_sriov; + else + netdev->netdev_ops = &mlx5e_netdev_ops_basic; - netdev->netdev_ops = &mlx5e_netdev_ops; netdev->watchdog_timeo = 15 * HZ; netdev->ethtool_ops = &mlx5e_ethtool_ops; diff --git a/drivers/net/ethernet/mellanox/mlxsw/port.h b/drivers/net/ethernet/mellanox/mlxsw/port.h index 726f5435b32f..ae65b9940aed 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/port.h +++ b/drivers/net/ethernet/mellanox/mlxsw/port.h @@ -49,7 +49,7 @@ #define MLXSW_PORT_MID 0xd000 #define MLXSW_PORT_MAX_PHY_PORTS 0x40 -#define MLXSW_PORT_MAX_PORTS MLXSW_PORT_MAX_PHY_PORTS +#define MLXSW_PORT_MAX_PORTS (MLXSW_PORT_MAX_PHY_PORTS + 1) #define MLXSW_PORT_DEVID_BITS_OFFSET 10 #define MLXSW_PORT_PHY_BITS_OFFSET 4 diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 0c5237264e3e..ffe4c0305733 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -873,6 +873,62 @@ static inline void mlxsw_reg_spvm_pack(char *payload, u8 local_port, } } +/* SPAFT - Switch Port Acceptable Frame Types + * ------------------------------------------ + * The Switch Port Acceptable Frame Types register configures the frame + * admittance of the port. + */ +#define MLXSW_REG_SPAFT_ID 0x2010 +#define MLXSW_REG_SPAFT_LEN 0x08 + +static const struct mlxsw_reg_info mlxsw_reg_spaft = { + .id = MLXSW_REG_SPAFT_ID, + .len = MLXSW_REG_SPAFT_LEN, +}; + +/* reg_spaft_local_port + * Local port number. + * Access: Index + * + * Note: CPU port is not supported (all tag types are allowed). + */ +MLXSW_ITEM32(reg, spaft, local_port, 0x00, 16, 8); + +/* reg_spaft_sub_port + * Virtual port within the physical port. + * Should be set to 0 when virtual ports are not enabled on the port. + * Access: RW + */ +MLXSW_ITEM32(reg, spaft, sub_port, 0x00, 8, 8); + +/* reg_spaft_allow_untagged + * When set, untagged frames on the ingress are allowed (default). + * Access: RW + */ +MLXSW_ITEM32(reg, spaft, allow_untagged, 0x04, 31, 1); + +/* reg_spaft_allow_prio_tagged + * When set, priority tagged frames on the ingress are allowed (default). + * Access: RW + */ +MLXSW_ITEM32(reg, spaft, allow_prio_tagged, 0x04, 30, 1); + +/* reg_spaft_allow_tagged + * When set, tagged frames on the ingress are allowed (default). + * Access: RW + */ +MLXSW_ITEM32(reg, spaft, allow_tagged, 0x04, 29, 1); + +static inline void mlxsw_reg_spaft_pack(char *payload, u8 local_port, + bool allow_untagged) +{ + MLXSW_REG_ZERO(spaft, payload); + mlxsw_reg_spaft_local_port_set(payload, local_port); + mlxsw_reg_spaft_allow_untagged_set(payload, allow_untagged); + mlxsw_reg_spaft_allow_prio_tagged_set(payload, true); + mlxsw_reg_spaft_allow_tagged_set(payload, true); +} + /* SFGC - Switch Flooding Group Configuration * ------------------------------------------ * The following register controls the association of flooding tables and MIDs @@ -1044,6 +1100,92 @@ static inline void mlxsw_reg_sftr_pack(char *payload, mlxsw_reg_sftr_port_mask_set(payload, port, 1); } +/* SFDF - Switch Filtering DB Flush + * -------------------------------- + * The switch filtering DB flush register is used to flush the FDB. + * Note that FDB notifications are flushed as well. + */ +#define MLXSW_REG_SFDF_ID 0x2013 +#define MLXSW_REG_SFDF_LEN 0x14 + +static const struct mlxsw_reg_info mlxsw_reg_sfdf = { + .id = MLXSW_REG_SFDF_ID, + .len = MLXSW_REG_SFDF_LEN, +}; + +/* reg_sfdf_swid + * Switch partition ID. + * Access: Index + */ +MLXSW_ITEM32(reg, sfdf, swid, 0x00, 24, 8); + +enum mlxsw_reg_sfdf_flush_type { + MLXSW_REG_SFDF_FLUSH_PER_SWID, + MLXSW_REG_SFDF_FLUSH_PER_FID, + MLXSW_REG_SFDF_FLUSH_PER_PORT, + MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID, + MLXSW_REG_SFDF_FLUSH_PER_LAG, + MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID, +}; + +/* reg_sfdf_flush_type + * Flush type. + * 0 - All SWID dynamic entries are flushed. + * 1 - All FID dynamic entries are flushed. + * 2 - All dynamic entries pointing to port are flushed. + * 3 - All FID dynamic entries pointing to port are flushed. + * 4 - All dynamic entries pointing to LAG are flushed. + * 5 - All FID dynamic entries pointing to LAG are flushed. + * Access: RW + */ +MLXSW_ITEM32(reg, sfdf, flush_type, 0x04, 28, 4); + +/* reg_sfdf_flush_static + * Static. + * 0 - Flush only dynamic entries. + * 1 - Flush both dynamic and static entries. + * Access: RW + */ +MLXSW_ITEM32(reg, sfdf, flush_static, 0x04, 24, 1); + +static inline void mlxsw_reg_sfdf_pack(char *payload, + enum mlxsw_reg_sfdf_flush_type type) +{ + MLXSW_REG_ZERO(sfdf, payload); + mlxsw_reg_sfdf_flush_type_set(payload, type); + mlxsw_reg_sfdf_flush_static_set(payload, true); +} + +/* reg_sfdf_fid + * FID to flush. + * Access: RW + */ +MLXSW_ITEM32(reg, sfdf, fid, 0x0C, 0, 16); + +/* reg_sfdf_system_port + * Port to flush. + * Access: RW + */ +MLXSW_ITEM32(reg, sfdf, system_port, 0x0C, 0, 16); + +/* reg_sfdf_port_fid_system_port + * Port to flush, pointed to by FID. + * Access: RW + */ +MLXSW_ITEM32(reg, sfdf, port_fid_system_port, 0x08, 0, 16); + +/* reg_sfdf_lag_id + * LAG ID to flush. + * Access: RW + */ +MLXSW_ITEM32(reg, sfdf, lag_id, 0x0C, 0, 10); + +/* reg_sfdf_lag_fid_lag_id + * LAG ID to flush, pointed to by FID. + * Access: RW + */ +MLXSW_ITEM32(reg, sfdf, lag_fid_lag_id, 0x08, 0, 10); + /* SLDR - Switch LAG Descriptor Register * ----------------------------------------- * The switch LAG descriptor register is populated by LAG descriptors. @@ -1701,20 +1843,20 @@ MLXSW_ITEM32(reg, pmlp, width, 0x00, 0, 8); * Module number. * Access: RW */ -MLXSW_ITEM32_INDEXED(reg, pmlp, module, 0x04, 0, 8, 0x04, 0, false); +MLXSW_ITEM32_INDEXED(reg, pmlp, module, 0x04, 0, 8, 0x04, 0x00, false); /* reg_pmlp_tx_lane * Tx Lane. When rxtx field is cleared, this field is used for Rx as well. * Access: RW */ -MLXSW_ITEM32_INDEXED(reg, pmlp, tx_lane, 0x04, 16, 2, 0x04, 16, false); +MLXSW_ITEM32_INDEXED(reg, pmlp, tx_lane, 0x04, 16, 2, 0x04, 0x00, false); /* reg_pmlp_rx_lane * Rx Lane. When rxtx field is cleared, this field is ignored and Rx lane is * equal to Tx lane. * Access: RW */ -MLXSW_ITEM32_INDEXED(reg, pmlp, rx_lane, 0x04, 24, 2, 0x04, 24, false); +MLXSW_ITEM32_INDEXED(reg, pmlp, rx_lane, 0x04, 24, 2, 0x04, 0x00, false); static inline void mlxsw_reg_pmlp_pack(char *payload, u8 local_port) { @@ -3117,10 +3259,14 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id) return "SPVID"; case MLXSW_REG_SPVM_ID: return "SPVM"; + case MLXSW_REG_SPAFT_ID: + return "SPAFT"; case MLXSW_REG_SFGC_ID: return "SFGC"; case MLXSW_REG_SFTR_ID: return "SFTR"; + case MLXSW_REG_SFDF_ID: + return "SFDF"; case MLXSW_REG_SLDR_ID: return "SLDR"; case MLXSW_REG_SLCR_ID: diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index ce6845d534a8..09ce451c283b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -1979,6 +1979,115 @@ static struct mlxsw_driver mlxsw_sp_driver = { .profile = &mlxsw_sp_config_profile, }; +static int +mlxsw_sp_port_fdb_flush_by_port(const struct mlxsw_sp_port *mlxsw_sp_port) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char sfdf_pl[MLXSW_REG_SFDF_LEN]; + + mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_PORT); + mlxsw_reg_sfdf_system_port_set(sfdf_pl, mlxsw_sp_port->local_port); + + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); +} + +static int +mlxsw_sp_port_fdb_flush_by_port_fid(const struct mlxsw_sp_port *mlxsw_sp_port, + u16 fid) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char sfdf_pl[MLXSW_REG_SFDF_LEN]; + + mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID); + mlxsw_reg_sfdf_fid_set(sfdf_pl, fid); + mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, + mlxsw_sp_port->local_port); + + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); +} + +static int +mlxsw_sp_port_fdb_flush_by_lag_id(const struct mlxsw_sp_port *mlxsw_sp_port) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char sfdf_pl[MLXSW_REG_SFDF_LEN]; + + mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_LAG); + mlxsw_reg_sfdf_lag_id_set(sfdf_pl, mlxsw_sp_port->lag_id); + + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); +} + +static int +mlxsw_sp_port_fdb_flush_by_lag_id_fid(const struct mlxsw_sp_port *mlxsw_sp_port, + u16 fid) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char sfdf_pl[MLXSW_REG_SFDF_LEN]; + + mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID); + mlxsw_reg_sfdf_fid_set(sfdf_pl, fid); + mlxsw_reg_sfdf_lag_fid_lag_id_set(sfdf_pl, mlxsw_sp_port->lag_id); + + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); +} + +static int +__mlxsw_sp_port_fdb_flush(const struct mlxsw_sp_port *mlxsw_sp_port) +{ + int err, last_err = 0; + u16 vid; + + for (vid = 1; vid < VLAN_N_VID - 1; vid++) { + err = mlxsw_sp_port_fdb_flush_by_port_fid(mlxsw_sp_port, vid); + if (err) + last_err = err; + } + + return last_err; +} + +static int +__mlxsw_sp_port_fdb_flush_lagged(const struct mlxsw_sp_port *mlxsw_sp_port) +{ + int err, last_err = 0; + u16 vid; + + for (vid = 1; vid < VLAN_N_VID - 1; vid++) { + err = mlxsw_sp_port_fdb_flush_by_lag_id_fid(mlxsw_sp_port, vid); + if (err) + last_err = err; + } + + return last_err; +} + +static int mlxsw_sp_port_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_port) +{ + if (!list_empty(&mlxsw_sp_port->vports_list)) + if (mlxsw_sp_port->lagged) + return __mlxsw_sp_port_fdb_flush_lagged(mlxsw_sp_port); + else + return __mlxsw_sp_port_fdb_flush(mlxsw_sp_port); + else + if (mlxsw_sp_port->lagged) + return mlxsw_sp_port_fdb_flush_by_lag_id(mlxsw_sp_port); + else + return mlxsw_sp_port_fdb_flush_by_port(mlxsw_sp_port); +} + +static int mlxsw_sp_vport_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_vport) +{ + u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_vport); + u16 fid = mlxsw_sp_vfid_to_fid(vfid); + + if (mlxsw_sp_vport->lagged) + return mlxsw_sp_port_fdb_flush_by_lag_id_fid(mlxsw_sp_vport, + fid); + else + return mlxsw_sp_port_fdb_flush_by_port_fid(mlxsw_sp_vport, fid); +} + static bool mlxsw_sp_port_dev_check(const struct net_device *dev) { return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; @@ -2006,10 +2115,16 @@ static int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port) return 0; } -static int mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port) +static int mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port, + bool flush_fdb) { struct net_device *dev = mlxsw_sp_port->dev; + if (flush_fdb && mlxsw_sp_port_fdb_flush(mlxsw_sp_port)) + netdev_err(mlxsw_sp_port->dev, "Failed to flush FDB\n"); + + mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); + mlxsw_sp_port->learning = 0; mlxsw_sp_port->learning_sync = 0; mlxsw_sp_port->uc_flood = 0; @@ -2200,10 +2315,15 @@ err_col_port_enable: return err; } +static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport, + struct net_device *br_dev, + bool flush_fdb); + static int mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_port *mlxsw_sp_vport; struct mlxsw_sp_upper *lag; u16 lag_id = mlxsw_sp_port->lag_id; int err; @@ -2220,7 +2340,32 @@ static int mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, if (err) return err; + /* In case we leave a LAG device that has bridges built on top, + * then their teardown sequence is never issued and we need to + * invoke the necessary cleanup routines ourselves. + */ + list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list, + vport.list) { + struct net_device *br_dev; + + if (!mlxsw_sp_vport->bridged) + continue; + + br_dev = mlxsw_sp_vport_br_get(mlxsw_sp_vport); + mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport, br_dev, false); + } + + if (mlxsw_sp_port->bridged) { + mlxsw_sp_port_active_vlans_del(mlxsw_sp_port); + mlxsw_sp_port_bridge_leave(mlxsw_sp_port, false); + + if (lag->ref_count == 1) + mlxsw_sp_master_bridge_dec(mlxsw_sp, NULL); + } + if (lag->ref_count == 1) { + if (mlxsw_sp_port_fdb_flush_by_lag_id(mlxsw_sp_port)) + netdev_err(mlxsw_sp_port->dev, "Failed to flush FDB\n"); err = mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); if (err) return err; @@ -2272,9 +2417,6 @@ static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port, return mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, info->tx_enabled); } -static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport, - struct net_device *br_dev); - static int mlxsw_sp_port_vlan_link(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *vlan_dev) { @@ -2312,7 +2454,7 @@ static int mlxsw_sp_port_vlan_unlink(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *br_dev; br_dev = mlxsw_sp_vport_br_get(mlxsw_sp_vport); - mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport, br_dev); + mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport, br_dev, true); } mlxsw_sp_vport->dev = mlxsw_sp_port->dev; @@ -2374,7 +2516,8 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *dev, } mlxsw_sp_master_bridge_inc(mlxsw_sp, upper_dev); } else { - err = mlxsw_sp_port_bridge_leave(mlxsw_sp_port); + err = mlxsw_sp_port_bridge_leave(mlxsw_sp_port, + true); mlxsw_sp_master_bridge_dec(mlxsw_sp, upper_dev); if (err) { netdev_err(dev, "Failed to leave bridge\n"); @@ -2541,7 +2684,8 @@ static void mlxsw_sp_br_vfid_destroy(struct mlxsw_sp *mlxsw_sp, } static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport, - struct net_device *br_dev) + struct net_device *br_dev, + bool flush_fdb) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); @@ -2604,6 +2748,16 @@ static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport, goto err_vport_flood_set; } + err = mlxsw_sp_port_stp_state_set(mlxsw_sp_vport, vid, + MLXSW_REG_SPMS_STATE_FORWARDING); + if (err) { + netdev_err(dev, "Failed to set STP state\n"); + goto err_port_stp_state_set; + } + + if (flush_fdb && mlxsw_sp_vport_fdb_flush(mlxsw_sp_vport)) + netdev_err(dev, "Failed to flush FDB\n"); + /* Switch between the vFIDs and destroy the old one if needed. */ new_vfid->nr_vports++; mlxsw_sp_vport->vport.vfid = new_vfid; @@ -2618,6 +2772,7 @@ static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport, return 0; +err_port_stp_state_set: err_vport_flood_set: err_port_vid_learning_set: err_port_vid_to_fid_validate: @@ -2777,7 +2932,7 @@ static int mlxsw_sp_netdevice_vport_event(struct net_device *dev, if (!mlxsw_sp_vport) return NOTIFY_DONE; err = mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport, - upper_dev); + upper_dev, true); if (err) { netdev_err(dev, "Failed to leave bridge\n"); return NOTIFY_BAD; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index a23dc610d259..3b89ed2f3c76 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -120,7 +120,6 @@ struct mlxsw_sp { } fdb_notify; #define MLXSW_SP_DEFAULT_AGEING_TIME 300 u32 ageing_time; - struct mutex fdb_lock; /* Make sure FDB sessions are atomic. */ struct mlxsw_sp_upper master_bridge; struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX]; }; @@ -254,5 +253,7 @@ int mlxsw_sp_port_kill_vid(struct net_device *dev, __be16 __always_unused proto, u16 vid); int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid, bool set, bool only_uc); +void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port); +int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid); #endif diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 45479ef5bcf4..7b56098acc58 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -45,6 +45,7 @@ #include <linux/if_bridge.h> #include <linux/workqueue.h> #include <linux/jiffies.h> +#include <linux/rtnetlink.h> #include <net/switchdev.h> #include "spectrum.h" @@ -124,14 +125,14 @@ static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, int err; switch (state) { - case BR_STATE_DISABLED: /* fall-through */ case BR_STATE_FORWARDING: spms_state = MLXSW_REG_SPMS_STATE_FORWARDING; break; - case BR_STATE_LISTENING: /* fall-through */ case BR_STATE_LEARNING: spms_state = MLXSW_REG_SPMS_STATE_LEARNING; break; + case BR_STATE_LISTENING: /* fall-through */ + case BR_STATE_DISABLED: /* fall-through */ case BR_STATE_BLOCKING: spms_state = MLXSW_REG_SPMS_STATE_DISCARDING; break; @@ -369,7 +370,8 @@ static int mlxsw_sp_port_attr_set(struct net_device *dev, return err; } -static int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) +static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, + u16 vid) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spvid_pl[MLXSW_REG_SPVID_LEN]; @@ -378,6 +380,53 @@ static int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); } +static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port, + bool allow) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char spaft_pl[MLXSW_REG_SPAFT_LEN]; + + mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl); +} + +int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) +{ + struct net_device *dev = mlxsw_sp_port->dev; + int err; + + if (!vid) { + err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false); + if (err) { + netdev_err(dev, "Failed to disallow untagged traffic\n"); + return err; + } + } else { + err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid); + if (err) { + netdev_err(dev, "Failed to set PVID\n"); + return err; + } + + /* Only allow if not already allowed. */ + if (!mlxsw_sp_port->pvid) { + err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, + true); + if (err) { + netdev_err(dev, "Failed to allow untagged traffic\n"); + goto err_port_allow_untagged_set; + } + } + } + + mlxsw_sp_port->pvid = vid; + return 0; + +err_port_allow_untagged_set: + __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid); + return err; +} + static int mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid) { char sfmr_pl[MLXSW_REG_SFMR_LEN]; @@ -539,7 +588,12 @@ static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, netdev_err(dev, "Unable to add PVID %d\n", vid_begin); goto err_port_pvid_set; } - mlxsw_sp_port->pvid = vid_begin; + } else if (!flag_pvid && old_pvid >= vid_begin && old_pvid <= vid_end) { + err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0); + if (err) { + netdev_err(dev, "Unable to del PVID\n"); + goto err_port_pvid_set; + } } /* Changing activity bits only if HW operation succeded */ @@ -891,20 +945,18 @@ static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, return err; } + if (init) + goto out; + pvid = mlxsw_sp_port->pvid; - if (pvid >= vid_begin && pvid <= vid_end && pvid != 1) { - /* Default VLAN is always 1 */ - err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); + if (pvid >= vid_begin && pvid <= vid_end) { + err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0); if (err) { netdev_err(dev, "Unable to del PVID %d\n", pvid); return err; } - mlxsw_sp_port->pvid = 1; } - if (init) - goto out; - err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, false, false); if (err) { @@ -936,6 +988,14 @@ static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, vlan->vid_begin, vlan->vid_end, false); } +void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port) +{ + u16 vid; + + for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) + __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid, false); +} + static int mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port, const struct switchdev_obj_port_fdb *fdb) @@ -1040,10 +1100,12 @@ static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, struct switchdev_obj_port_fdb *fdb, - switchdev_obj_dump_cb_t *cb) + switchdev_obj_dump_cb_t *cb, + struct net_device *orig_dev) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - u16 vport_vid = 0, vport_fid = 0; + struct mlxsw_sp_port *tmp; + u16 vport_fid = 0; char *sfd_pl; char mac[ETH_ALEN]; u16 fid; @@ -1058,13 +1120,11 @@ static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, if (!sfd_pl) return -ENOMEM; - mutex_lock(&mlxsw_sp_port->mlxsw_sp->fdb_lock); if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { u16 tmp; tmp = mlxsw_sp_vport_vfid_get(mlxsw_sp_port); vport_fid = mlxsw_sp_vfid_to_fid(tmp); - vport_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); } mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0); @@ -1088,12 +1148,13 @@ static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid, &local_port); if (local_port == mlxsw_sp_port->local_port) { - if (vport_fid && vport_fid != fid) - continue; - else if (vport_fid) - fdb->vid = vport_vid; - else + if (vport_fid && vport_fid == fid) + fdb->vid = 0; + else if (!vport_fid && + !mlxsw_sp_fid_is_vfid(fid)) fdb->vid = fid; + else + continue; ether_addr_copy(fdb->addr, mac); fdb->ndm_state = NUD_REACHABLE; err = cb(&fdb->obj); @@ -1104,14 +1165,22 @@ static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG: mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i, mac, &fid, &lag_id); - if (mlxsw_sp_port == - mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id)) { - if (vport_fid && vport_fid != fid) + tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); + if (tmp && tmp->local_port == + mlxsw_sp_port->local_port) { + /* LAG records can only point to LAG + * devices or VLAN devices on top. + */ + if (!netif_is_lag_master(orig_dev) && + !is_vlan_dev(orig_dev)) continue; - else if (vport_fid) - fdb->vid = vport_vid; - else + if (vport_fid && vport_fid == fid) + fdb->vid = 0; + else if (!vport_fid && + !mlxsw_sp_fid_is_vfid(fid)) fdb->vid = fid; + else + continue; ether_addr_copy(fdb->addr, mac); fdb->ndm_state = NUD_REACHABLE; err = cb(&fdb->obj); @@ -1124,7 +1193,6 @@ static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT); out: - mutex_unlock(&mlxsw_sp_port->mlxsw_sp->fdb_lock); kfree(sfd_pl); return stored_err ? stored_err : err; } @@ -1176,7 +1244,8 @@ static int mlxsw_sp_port_obj_dump(struct net_device *dev, break; case SWITCHDEV_OBJ_ID_PORT_FDB: err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port, - SWITCHDEV_OBJ_PORT_FDB(obj), cb); + SWITCHDEV_OBJ_PORT_FDB(obj), cb, + obj->orig_dev); break; default: err = -EOPNOTSUPP; @@ -1194,14 +1263,14 @@ static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump, }; -static void mlxsw_sp_fdb_call_notifiers(bool learning, bool learning_sync, - bool adding, char *mac, u16 vid, +static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding, + char *mac, u16 vid, struct net_device *dev) { struct switchdev_notifier_fdb_info info; unsigned long notifier_type; - if (learning && learning_sync) { + if (learning_sync) { info.addr = mac; info.vid = vid; notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL; @@ -1237,7 +1306,7 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n"); goto just_remove; } - vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); + vid = 0; /* Override the physical port with the vPort. */ mlxsw_sp_port = mlxsw_sp_vport; } else { @@ -1257,8 +1326,7 @@ do_fdb_op: if (!do_notification) return; - mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning, - mlxsw_sp_port->learning_sync, + mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, adding, mac, vid, mlxsw_sp_port->dev); return; @@ -1273,6 +1341,7 @@ static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, bool adding) { struct mlxsw_sp_port *mlxsw_sp_port; + struct net_device *dev; char mac[ETH_ALEN]; u16 lag_vid = 0; u16 lag_id; @@ -1298,11 +1367,13 @@ static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, goto just_remove; } - vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); - lag_vid = vid; + lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); + dev = mlxsw_sp_vport->dev; + vid = 0; /* Override the physical port with the vPort. */ mlxsw_sp_port = mlxsw_sp_vport; } else { + dev = mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev; vid = fid; } @@ -1319,10 +1390,8 @@ do_fdb_op: if (!do_notification) return; - mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning, - mlxsw_sp_port->learning_sync, - adding, mac, vid, - mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev); + mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, adding, mac, + vid, dev); return; just_remove: @@ -1374,7 +1443,7 @@ static void mlxsw_sp_fdb_notify_work(struct work_struct *work) mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work); - mutex_lock(&mlxsw_sp->fdb_lock); + rtnl_lock(); do { mlxsw_reg_sfn_pack(sfn_pl); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); @@ -1387,7 +1456,7 @@ static void mlxsw_sp_fdb_notify_work(struct work_struct *work) mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); } while (num_rec); - mutex_unlock(&mlxsw_sp->fdb_lock); + rtnl_unlock(); kfree(sfn_pl); mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); @@ -1402,7 +1471,6 @@ static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); return err; } - mutex_init(&mlxsw_sp->fdb_lock); INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work); mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index a10c928bbd6b..00cfd95ca59d 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -28,6 +28,16 @@ #include "moxart_ether.h" +static inline void moxart_desc_write(u32 data, u32 *desc) +{ + *desc = cpu_to_le32(data); +} + +static inline u32 moxart_desc_read(u32 *desc) +{ + return le32_to_cpu(*desc); +} + static inline void moxart_emac_write(struct net_device *ndev, unsigned int reg, unsigned long value) { @@ -112,7 +122,7 @@ static void moxart_mac_enable(struct net_device *ndev) static void moxart_mac_setup_desc_ring(struct net_device *ndev) { struct moxart_mac_priv_t *priv = netdev_priv(ndev); - void __iomem *desc; + void *desc; int i; for (i = 0; i < TX_DESC_NUM; i++) { @@ -121,7 +131,7 @@ static void moxart_mac_setup_desc_ring(struct net_device *ndev) priv->tx_buf[i] = priv->tx_buf_base + priv->tx_buf_size * i; } - writel(TX_DESC1_END, desc + TX_REG_OFFSET_DESC1); + moxart_desc_write(TX_DESC1_END, desc + TX_REG_OFFSET_DESC1); priv->tx_head = 0; priv->tx_tail = 0; @@ -129,8 +139,8 @@ static void moxart_mac_setup_desc_ring(struct net_device *ndev) for (i = 0; i < RX_DESC_NUM; i++) { desc = priv->rx_desc_base + i * RX_REG_DESC_SIZE; memset(desc, 0, RX_REG_DESC_SIZE); - writel(RX_DESC0_DMA_OWN, desc + RX_REG_OFFSET_DESC0); - writel(RX_BUF_SIZE & RX_DESC1_BUF_SIZE_MASK, + moxart_desc_write(RX_DESC0_DMA_OWN, desc + RX_REG_OFFSET_DESC0); + moxart_desc_write(RX_BUF_SIZE & RX_DESC1_BUF_SIZE_MASK, desc + RX_REG_OFFSET_DESC1); priv->rx_buf[i] = priv->rx_buf_base + priv->rx_buf_size * i; @@ -141,12 +151,12 @@ static void moxart_mac_setup_desc_ring(struct net_device *ndev) if (dma_mapping_error(&ndev->dev, priv->rx_mapping[i])) netdev_err(ndev, "DMA mapping error\n"); - writel(priv->rx_mapping[i], + moxart_desc_write(priv->rx_mapping[i], desc + RX_REG_OFFSET_DESC2 + RX_DESC2_ADDRESS_PHYS); - writel(priv->rx_buf[i], + moxart_desc_write((uintptr_t)priv->rx_buf[i], desc + RX_REG_OFFSET_DESC2 + RX_DESC2_ADDRESS_VIRT); } - writel(RX_DESC1_END, desc + RX_REG_OFFSET_DESC1); + moxart_desc_write(RX_DESC1_END, desc + RX_REG_OFFSET_DESC1); priv->rx_head = 0; @@ -201,14 +211,15 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget) napi); struct net_device *ndev = priv->ndev; struct sk_buff *skb; - void __iomem *desc; + void *desc; unsigned int desc0, len; int rx_head = priv->rx_head; int rx = 0; while (rx < budget) { desc = priv->rx_desc_base + (RX_REG_DESC_SIZE * rx_head); - desc0 = readl(desc + RX_REG_OFFSET_DESC0); + desc0 = moxart_desc_read(desc + RX_REG_OFFSET_DESC0); + rmb(); /* ensure desc0 is up to date */ if (desc0 & RX_DESC0_DMA_OWN) break; @@ -250,7 +261,8 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget) priv->stats.multicast++; rx_next: - writel(RX_DESC0_DMA_OWN, desc + RX_REG_OFFSET_DESC0); + wmb(); /* prevent setting ownership back too early */ + moxart_desc_write(RX_DESC0_DMA_OWN, desc + RX_REG_OFFSET_DESC0); rx_head = RX_NEXT(rx_head); priv->rx_head = rx_head; @@ -310,7 +322,7 @@ static irqreturn_t moxart_mac_interrupt(int irq, void *dev_id) static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) { struct moxart_mac_priv_t *priv = netdev_priv(ndev); - void __iomem *desc; + void *desc; unsigned int len; unsigned int tx_head = priv->tx_head; u32 txdes1; @@ -319,11 +331,12 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) desc = priv->tx_desc_base + (TX_REG_DESC_SIZE * tx_head); spin_lock_irq(&priv->txlock); - if (readl(desc + TX_REG_OFFSET_DESC0) & TX_DESC0_DMA_OWN) { + if (moxart_desc_read(desc + TX_REG_OFFSET_DESC0) & TX_DESC0_DMA_OWN) { net_dbg_ratelimited("no TX space for packet\n"); priv->stats.tx_dropped++; goto out_unlock; } + rmb(); /* ensure data is only read that had TX_DESC0_DMA_OWN cleared */ len = skb->len > TX_BUF_SIZE ? TX_BUF_SIZE : skb->len; @@ -337,9 +350,9 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) priv->tx_len[tx_head] = len; priv->tx_skb[tx_head] = skb; - writel(priv->tx_mapping[tx_head], + moxart_desc_write(priv->tx_mapping[tx_head], desc + TX_REG_OFFSET_DESC2 + TX_DESC2_ADDRESS_PHYS); - writel(skb->data, + moxart_desc_write((uintptr_t)skb->data, desc + TX_REG_OFFSET_DESC2 + TX_DESC2_ADDRESS_VIRT); if (skb->len < ETH_ZLEN) { @@ -354,8 +367,9 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) txdes1 = TX_DESC1_LTS | TX_DESC1_FTS | (len & TX_DESC1_BUF_SIZE_MASK); if (tx_head == TX_DESC_NUM_MASK) txdes1 |= TX_DESC1_END; - writel(txdes1, desc + TX_REG_OFFSET_DESC1); - writel(TX_DESC0_DMA_OWN, desc + TX_REG_OFFSET_DESC0); + moxart_desc_write(txdes1, desc + TX_REG_OFFSET_DESC1); + wmb(); /* flush descriptor before transferring ownership */ + moxart_desc_write(TX_DESC0_DMA_OWN, desc + TX_REG_OFFSET_DESC0); /* start to send packet */ writel(0xffffffff, priv->base + REG_TX_POLL_DEMAND); diff --git a/drivers/net/ethernet/moxa/moxart_ether.h b/drivers/net/ethernet/moxa/moxart_ether.h index 2be9280d608c..93a9563ac7c6 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.h +++ b/drivers/net/ethernet/moxa/moxart_ether.h @@ -300,7 +300,7 @@ struct moxart_mac_priv_t { dma_addr_t rx_base; dma_addr_t rx_mapping[RX_DESC_NUM]; - void __iomem *rx_desc_base; + void *rx_desc_base; unsigned char *rx_buf_base; unsigned char *rx_buf[RX_DESC_NUM]; unsigned int rx_head; @@ -308,7 +308,7 @@ struct moxart_mac_priv_t { dma_addr_t tx_base; dma_addr_t tx_mapping[TX_DESC_NUM]; - void __iomem *tx_desc_base; + void *tx_desc_base; unsigned char *tx_buf_base; unsigned char *tx_buf[RX_DESC_NUM]; unsigned int tx_head; diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 50d5604833ed..e0993eba5df3 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -2223,8 +2223,6 @@ static irqreturn_t vxge_isr_napi(int irq, void *dev_id) return IRQ_NONE; } -#ifdef CONFIG_PCI_MSI - static irqreturn_t vxge_tx_msix_handle(int irq, void *dev_id) { struct vxge_fifo *fifo = (struct vxge_fifo *)dev_id; @@ -2442,16 +2440,13 @@ static void vxge_rem_msix_isr(struct vxgedev *vdev) if (vdev->config.intr_type == MSI_X) pci_disable_msix(vdev->pdev); } -#endif static void vxge_rem_isr(struct vxgedev *vdev) { -#ifdef CONFIG_PCI_MSI - if (vdev->config.intr_type == MSI_X) { + if (IS_ENABLED(CONFIG_PCI_MSI) && + vdev->config.intr_type == MSI_X) { vxge_rem_msix_isr(vdev); - } else -#endif - if (vdev->config.intr_type == INTA) { + } else if (vdev->config.intr_type == INTA) { synchronize_irq(vdev->pdev->irq); free_irq(vdev->pdev->irq, vdev); } @@ -2460,11 +2455,10 @@ static void vxge_rem_isr(struct vxgedev *vdev) static int vxge_add_isr(struct vxgedev *vdev) { int ret = 0; -#ifdef CONFIG_PCI_MSI int vp_idx = 0, intr_idx = 0, intr_cnt = 0, msix_idx = 0, irq_req = 0; int pci_fun = PCI_FUNC(vdev->pdev->devfn); - if (vdev->config.intr_type == MSI_X) + if (IS_ENABLED(CONFIG_PCI_MSI) && vdev->config.intr_type == MSI_X) ret = vxge_enable_msix(vdev); if (ret) { @@ -2475,7 +2469,7 @@ static int vxge_add_isr(struct vxgedev *vdev) vdev->config.intr_type = INTA; } - if (vdev->config.intr_type == MSI_X) { + if (IS_ENABLED(CONFIG_PCI_MSI) && vdev->config.intr_type == MSI_X) { for (intr_idx = 0; intr_idx < (vdev->no_of_vpath * VXGE_HW_VPATH_MSIX_ACTIVE); intr_idx++) { @@ -2576,9 +2570,8 @@ static int vxge_add_isr(struct vxgedev *vdev) vdev->vxge_entries[intr_cnt].in_use = 1; vdev->vxge_entries[intr_cnt].arg = &vdev->vpaths[0]; } -INTA_MODE: -#endif +INTA_MODE: if (vdev->config.intr_type == INTA) { snprintf(vdev->desc[0], VXGE_INTR_STRLEN, "%s:vxge:INTA", vdev->ndev->name); @@ -3889,12 +3882,12 @@ static void vxge_device_config_init(struct vxge_hw_device_config *device_config, if (max_mac_vpath > VXGE_MAX_MAC_ADDR_COUNT) max_mac_vpath = VXGE_MAX_MAC_ADDR_COUNT; -#ifndef CONFIG_PCI_MSI - vxge_debug_init(VXGE_ERR, - "%s: This Kernel does not support " - "MSI-X. Defaulting to INTA", VXGE_DRIVER_NAME); - *intr_type = INTA; -#endif + if (!IS_ENABLED(CONFIG_PCI_MSI)) { + vxge_debug_init(VXGE_ERR, + "%s: This Kernel does not support " + "MSI-X. Defaulting to INTA", VXGE_DRIVER_NAME); + *intr_type = INTA; + } /* Configure whether MSI-X or IRQL. */ switch (*intr_type) { diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 17d5571d0432..537974cfd427 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -6137,28 +6137,28 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) sw_cnt_1ms_ini = 16000000/rg_saw_cnt; sw_cnt_1ms_ini &= 0x0fff; data = r8168_mac_ocp_read(tp, 0xd412); - data &= 0x0fff; + data &= ~0x0fff; data |= sw_cnt_1ms_ini; r8168_mac_ocp_write(tp, 0xd412, data); } data = r8168_mac_ocp_read(tp, 0xe056); - data &= 0xf0; - data |= 0x07; + data &= ~0xf0; + data |= 0x70; r8168_mac_ocp_write(tp, 0xe056, data); data = r8168_mac_ocp_read(tp, 0xe052); - data &= 0x8008; - data |= 0x6000; + data &= ~0x6000; + data |= 0x8008; r8168_mac_ocp_write(tp, 0xe052, data); data = r8168_mac_ocp_read(tp, 0xe0d6); - data &= 0x01ff; + data &= ~0x01ff; data |= 0x017f; r8168_mac_ocp_write(tp, 0xe0d6, data); data = r8168_mac_ocp_read(tp, 0xd420); - data &= 0x0fff; + data &= ~0x0fff; data |= 0x047f; r8168_mac_ocp_write(tp, 0xd420, data); diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index ac43ed914fcf..744d7806a9ee 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1139,7 +1139,8 @@ static int ravb_set_ringparam(struct net_device *ndev, if (netif_running(ndev)) { netif_device_detach(ndev); /* Stop PTP Clock driver */ - ravb_ptp_stop(ndev); + if (priv->chip_id == RCAR_GEN2) + ravb_ptp_stop(ndev); /* Wait for DMA stopping */ error = ravb_stop_dma(ndev); if (error) { @@ -1170,7 +1171,8 @@ static int ravb_set_ringparam(struct net_device *ndev, ravb_emac_init(ndev); /* Initialise PTP Clock driver */ - ravb_ptp_init(ndev, priv->pdev); + if (priv->chip_id == RCAR_GEN2) + ravb_ptp_init(ndev, priv->pdev); netif_device_attach(ndev); } @@ -1298,7 +1300,8 @@ static void ravb_tx_timeout_work(struct work_struct *work) netif_tx_stop_all_queues(ndev); /* Stop PTP Clock driver */ - ravb_ptp_stop(ndev); + if (priv->chip_id == RCAR_GEN2) + ravb_ptp_stop(ndev); /* Wait for DMA stopping */ ravb_stop_dma(ndev); @@ -1311,7 +1314,8 @@ static void ravb_tx_timeout_work(struct work_struct *work) ravb_emac_init(ndev); /* Initialise PTP Clock driver */ - ravb_ptp_init(ndev, priv->pdev); + if (priv->chip_id == RCAR_GEN2) + ravb_ptp_init(ndev, priv->pdev); netif_tx_start_all_queues(ndev); } @@ -1814,10 +1818,6 @@ static int ravb_probe(struct platform_device *pdev) CCC_OPC_CONFIG | CCC_GAC | CCC_CSEL_HPB, CCC); } - /* Set CSEL value */ - ravb_write(ndev, (ravb_read(ndev, CCC) & ~CCC_CSEL) | CCC_CSEL_HPB, - CCC); - /* Set GTI value */ error = ravb_set_gti(ndev); if (error) diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index a4ab71d43e4e..166a7fc87e2f 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -3531,12 +3531,14 @@ static void rocker_port_fdb_learn_work(struct work_struct *work) info.addr = lw->addr; info.vid = lw->vid; + rtnl_lock(); if (learned && removing) call_switchdev_notifiers(SWITCHDEV_FDB_DEL, lw->rocker_port->dev, &info.info); else if (learned && !removing) call_switchdev_notifiers(SWITCHDEV_FDB_ADD, lw->rocker_port->dev, &info.info); + rtnl_unlock(); rocker_port_kfree(lw->trans, work); } diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 0e2fc1a844ab..db7db8ac4ca3 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -2342,8 +2342,8 @@ static int smc_drv_probe(struct platform_device *pdev) } ndev->irq = platform_get_irq(pdev, 0); - if (ndev->irq <= 0) { - ret = -ENODEV; + if (ndev->irq < 0) { + ret = ndev->irq; goto out_release_io; } /* diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index cc106d892e29..23fa29877f5b 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -389,17 +389,27 @@ static int vnet_rx_one(struct vnet_port *port, struct vio_net_desc *desc) if (vio_version_after_eq(&port->vio, 1, 8)) { struct vio_net_dext *dext = vio_net_ext(desc); + skb_reset_network_header(skb); + if (dext->flags & VNET_PKT_HCK_IPV4_HDRCKSUM) { if (skb->protocol == ETH_P_IP) { - struct iphdr *iph = (struct iphdr *)skb->data; + struct iphdr *iph = ip_hdr(skb); iph->check = 0; ip_send_check(iph); } } if ((dext->flags & VNET_PKT_HCK_FULLCKSUM) && - skb->ip_summed == CHECKSUM_NONE) - vnet_fullcsum(skb); + skb->ip_summed == CHECKSUM_NONE) { + if (skb->protocol == htons(ETH_P_IP)) { + struct iphdr *iph = ip_hdr(skb); + int ihl = iph->ihl * 4; + + skb_reset_transport_header(skb); + skb_set_transport_header(skb, ihl); + vnet_fullcsum(skb); + } + } if (dext->flags & VNET_PKT_HCK_IPV4_HDRCKSUM_OK) { skb->ip_summed = CHECKSUM_PARTIAL; skb->csum_level = 0; diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c index 70814b7386b3..fc8bbff2d7e3 100644 --- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c +++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c @@ -1880,9 +1880,9 @@ static int dwceqos_open(struct net_device *ndev) } netdev_reset_queue(ndev); + dwceqos_init_hw(lp); napi_enable(&lp->napi); phy_start(lp->phy_dev); - dwceqos_init_hw(lp); netif_start_queue(ndev); tasklet_enable(&lp->tx_bdreclaim_tasklet); diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c b/drivers/net/ethernet/ti/cpsw-phy-sel.c index e9cc61e1ec74..c3e85acfdc70 100644 --- a/drivers/net/ethernet/ti/cpsw-phy-sel.c +++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c @@ -63,8 +63,12 @@ static void cpsw_gmii_sel_am3352(struct cpsw_phy_sel_priv *priv, mode = AM33XX_GMII_SEL_MODE_RGMII; break; - case PHY_INTERFACE_MODE_MII: default: + dev_warn(priv->dev, + "Unsupported PHY mode: \"%s\". Defaulting to MII.\n", + phy_modes(phy_mode)); + /* fallthrough */ + case PHY_INTERFACE_MODE_MII: mode = AM33XX_GMII_SEL_MODE_MII; break; }; @@ -106,8 +110,12 @@ static void cpsw_gmii_sel_dra7xx(struct cpsw_phy_sel_priv *priv, mode = AM33XX_GMII_SEL_MODE_RGMII; break; - case PHY_INTERFACE_MODE_MII: default: + dev_warn(priv->dev, + "Unsupported PHY mode: \"%s\". Defaulting to MII.\n", + phy_modes(phy_mode)); + /* fallthrough */ + case PHY_INTERFACE_MODE_MII: mode = AM33XX_GMII_SEL_MODE_MII; break; }; diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c index 657b65bf5cac..18bf3a8fdc50 100644 --- a/drivers/net/ethernet/ti/davinci_cpdma.c +++ b/drivers/net/ethernet/ti/davinci_cpdma.c @@ -82,7 +82,7 @@ struct cpdma_desc { struct cpdma_desc_pool { phys_addr_t phys; - u32 hw_addr; + dma_addr_t hw_addr; void __iomem *iomap; /* ioremap map */ void *cpumap; /* dma_alloc map */ int desc_size, mem_size; @@ -152,7 +152,7 @@ struct cpdma_chan { * abstract out these details */ static struct cpdma_desc_pool * -cpdma_desc_pool_create(struct device *dev, u32 phys, u32 hw_addr, +cpdma_desc_pool_create(struct device *dev, u32 phys, dma_addr_t hw_addr, int size, int align) { int bitmap_size; @@ -176,13 +176,13 @@ cpdma_desc_pool_create(struct device *dev, u32 phys, u32 hw_addr, if (phys) { pool->phys = phys; - pool->iomap = ioremap(phys, size); + pool->iomap = ioremap(phys, size); /* should be memremap? */ pool->hw_addr = hw_addr; } else { - pool->cpumap = dma_alloc_coherent(dev, size, &pool->phys, + pool->cpumap = dma_alloc_coherent(dev, size, &pool->hw_addr, GFP_KERNEL); - pool->iomap = pool->cpumap; - pool->hw_addr = pool->phys; + pool->iomap = (void __iomem __force *)pool->cpumap; + pool->phys = pool->hw_addr; /* assumes no IOMMU, don't use this value */ } if (pool->iomap) diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index c61d66d38634..029841f98c32 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -117,21 +117,17 @@ static void get_pkt_info(dma_addr_t *buff, u32 *buff_len, dma_addr_t *ndesc, *ndesc = le32_to_cpu(desc->next_desc); } -static void get_pad_info(u32 *pad0, u32 *pad1, u32 *pad2, struct knav_dma_desc *desc) +static u32 get_sw_data(int index, struct knav_dma_desc *desc) { - *pad0 = le32_to_cpu(desc->pad[0]); - *pad1 = le32_to_cpu(desc->pad[1]); - *pad2 = le32_to_cpu(desc->pad[2]); + /* No Endian conversion needed as this data is untouched by hw */ + return desc->sw_data[index]; } -static void get_pad_ptr(void **padptr, struct knav_dma_desc *desc) -{ - u64 pad64; - - pad64 = le32_to_cpu(desc->pad[0]) + - ((u64)le32_to_cpu(desc->pad[1]) << 32); - *padptr = (void *)(uintptr_t)pad64; -} +/* use these macros to get sw data */ +#define GET_SW_DATA0(desc) get_sw_data(0, desc) +#define GET_SW_DATA1(desc) get_sw_data(1, desc) +#define GET_SW_DATA2(desc) get_sw_data(2, desc) +#define GET_SW_DATA3(desc) get_sw_data(3, desc) static void get_org_pkt_info(dma_addr_t *buff, u32 *buff_len, struct knav_dma_desc *desc) @@ -163,13 +159,18 @@ static void set_desc_info(u32 desc_info, u32 pkt_info, desc->packet_info = cpu_to_le32(pkt_info); } -static void set_pad_info(u32 pad0, u32 pad1, u32 pad2, struct knav_dma_desc *desc) +static void set_sw_data(int index, u32 data, struct knav_dma_desc *desc) { - desc->pad[0] = cpu_to_le32(pad0); - desc->pad[1] = cpu_to_le32(pad1); - desc->pad[2] = cpu_to_le32(pad1); + /* No Endian conversion needed as this data is untouched by hw */ + desc->sw_data[index] = data; } +/* use these macros to set sw data */ +#define SET_SW_DATA0(data, desc) set_sw_data(0, data, desc) +#define SET_SW_DATA1(data, desc) set_sw_data(1, data, desc) +#define SET_SW_DATA2(data, desc) set_sw_data(2, data, desc) +#define SET_SW_DATA3(data, desc) set_sw_data(3, data, desc) + static void set_org_pkt_info(dma_addr_t buff, u32 buff_len, struct knav_dma_desc *desc) { @@ -581,7 +582,6 @@ static void netcp_free_rx_desc_chain(struct netcp_intf *netcp, dma_addr_t dma_desc, dma_buf; unsigned int buf_len, dma_sz = sizeof(*ndesc); void *buf_ptr; - u32 pad[2]; u32 tmp; get_words(&dma_desc, 1, &desc->next_desc); @@ -593,14 +593,20 @@ static void netcp_free_rx_desc_chain(struct netcp_intf *netcp, break; } get_pkt_info(&dma_buf, &tmp, &dma_desc, ndesc); - get_pad_ptr(&buf_ptr, ndesc); + /* warning!!!! We are retrieving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + buf_ptr = (void *)GET_SW_DATA0(ndesc); + buf_len = (int)GET_SW_DATA1(desc); dma_unmap_page(netcp->dev, dma_buf, PAGE_SIZE, DMA_FROM_DEVICE); __free_page(buf_ptr); knav_pool_desc_put(netcp->rx_pool, desc); } - - get_pad_info(&pad[0], &pad[1], &buf_len, desc); - buf_ptr = (void *)(uintptr_t)(pad[0] + ((u64)pad[1] << 32)); + /* warning!!!! We are retrieving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + buf_ptr = (void *)GET_SW_DATA0(desc); + buf_len = (int)GET_SW_DATA1(desc); if (buf_ptr) netcp_frag_free(buf_len <= PAGE_SIZE, buf_ptr); @@ -639,7 +645,6 @@ static int netcp_process_one_rx_packet(struct netcp_intf *netcp) dma_addr_t dma_desc, dma_buff; struct netcp_packet p_info; struct sk_buff *skb; - u32 pad[2]; void *org_buf_ptr; dma_desc = knav_queue_pop(netcp->rx_queue, &dma_sz); @@ -653,8 +658,11 @@ static int netcp_process_one_rx_packet(struct netcp_intf *netcp) } get_pkt_info(&dma_buff, &buf_len, &dma_desc, desc); - get_pad_info(&pad[0], &pad[1], &org_buf_len, desc); - org_buf_ptr = (void *)(uintptr_t)(pad[0] + ((u64)pad[1] << 32)); + /* warning!!!! We are retrieving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + org_buf_ptr = (void *)GET_SW_DATA0(desc); + org_buf_len = (int)GET_SW_DATA1(desc); if (unlikely(!org_buf_ptr)) { dev_err(netcp->ndev_dev, "NULL bufptr in desc\n"); @@ -679,7 +687,6 @@ static int netcp_process_one_rx_packet(struct netcp_intf *netcp) /* Fill in the page fragment list */ while (dma_desc) { struct page *page; - void *ptr; ndesc = knav_pool_desc_unmap(netcp->rx_pool, dma_desc, dma_sz); if (unlikely(!ndesc)) { @@ -688,8 +695,10 @@ static int netcp_process_one_rx_packet(struct netcp_intf *netcp) } get_pkt_info(&dma_buff, &buf_len, &dma_desc, ndesc); - get_pad_ptr(&ptr, ndesc); - page = ptr; + /* warning!!!! We are retrieving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + page = (struct page *)GET_SW_DATA0(desc); if (likely(dma_buff && buf_len && page)) { dma_unmap_page(netcp->dev, dma_buff, PAGE_SIZE, @@ -777,7 +786,10 @@ static void netcp_free_rx_buf(struct netcp_intf *netcp, int fdq) } get_org_pkt_info(&dma, &buf_len, desc); - get_pad_ptr(&buf_ptr, desc); + /* warning!!!! We are retrieving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + buf_ptr = (void *)GET_SW_DATA0(desc); if (unlikely(!dma)) { dev_err(netcp->ndev_dev, "NULL orig_buff in desc\n"); @@ -829,7 +841,7 @@ static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) struct page *page; dma_addr_t dma; void *bufptr; - u32 pad[3]; + u32 sw_data[2]; /* Allocate descriptor */ hwdesc = knav_pool_desc_get(netcp->rx_pool); @@ -846,7 +858,7 @@ static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); bufptr = netdev_alloc_frag(primary_buf_len); - pad[2] = primary_buf_len; + sw_data[1] = primary_buf_len; if (unlikely(!bufptr)) { dev_warn_ratelimited(netcp->ndev_dev, @@ -858,9 +870,10 @@ static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) if (unlikely(dma_mapping_error(netcp->dev, dma))) goto fail; - pad[0] = lower_32_bits((uintptr_t)bufptr); - pad[1] = upper_32_bits((uintptr_t)bufptr); - + /* warning!!!! We are saving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + sw_data[0] = (u32)bufptr; } else { /* Allocate a secondary receive queue entry */ page = alloc_page(GFP_ATOMIC | GFP_DMA | __GFP_COLD); @@ -870,9 +883,11 @@ static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) } buf_len = PAGE_SIZE; dma = dma_map_page(netcp->dev, page, 0, buf_len, DMA_TO_DEVICE); - pad[0] = lower_32_bits(dma); - pad[1] = upper_32_bits(dma); - pad[2] = 0; + /* warning!!!! We are saving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + sw_data[0] = (u32)page; + sw_data[1] = 0; } desc_info = KNAV_DMA_DESC_PS_INFO_IN_DESC; @@ -882,7 +897,8 @@ static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) pkt_info |= (netcp->rx_queue_id & KNAV_DMA_DESC_RETQ_MASK) << KNAV_DMA_DESC_RETQ_SHIFT; set_org_pkt_info(dma, buf_len, hwdesc); - set_pad_info(pad[0], pad[1], pad[2], hwdesc); + SET_SW_DATA0(sw_data[0], hwdesc); + SET_SW_DATA1(sw_data[1], hwdesc); set_desc_info(desc_info, pkt_info, hwdesc); /* Push to FDQs */ @@ -971,7 +987,6 @@ static int netcp_process_tx_compl_packets(struct netcp_intf *netcp, unsigned int budget) { struct knav_dma_desc *desc; - void *ptr; struct sk_buff *skb; unsigned int dma_sz; dma_addr_t dma; @@ -988,8 +1003,10 @@ static int netcp_process_tx_compl_packets(struct netcp_intf *netcp, continue; } - get_pad_ptr(&ptr, desc); - skb = ptr; + /* warning!!!! We are retrieving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + skb = (struct sk_buff *)GET_SW_DATA0(desc); netcp_free_tx_desc_chain(netcp, desc, dma_sz); if (!skb) { dev_err(netcp->ndev_dev, "No skb in Tx desc\n"); @@ -1194,10 +1211,10 @@ static int netcp_tx_submit_skb(struct netcp_intf *netcp, } set_words(&tmp, 1, &desc->packet_info); - tmp = lower_32_bits((uintptr_t)&skb); - set_words(&tmp, 1, &desc->pad[0]); - tmp = upper_32_bits((uintptr_t)&skb); - set_words(&tmp, 1, &desc->pad[1]); + /* warning!!!! We are saving the virtual ptr in the sw_data + * field as a 32bit value. Will not work on 64bit machines + */ + SET_SW_DATA0((u32)skb, desc); if (tx_pipe->flags & SWITCH_TO_PORT_IN_TAGINFO) { tmp = tx_pipe->switch_to_port; diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index 7f975a2c8990..b0de8ecd7fe8 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -533,8 +533,8 @@ static int dfx_register(struct device *bdev) const char *print_name = dev_name(bdev); struct net_device *dev; DFX_board_t *bp; /* board pointer */ - resource_size_t bar_start[3]; /* pointers to ports */ - resource_size_t bar_len[3]; /* resource length */ + resource_size_t bar_start[3] = {0}; /* pointers to ports */ + resource_size_t bar_len[3] = {0}; /* resource length */ int alloc_size; /* total buffer size used */ struct resource *region; int err = 0; @@ -3697,8 +3697,8 @@ static void dfx_unregister(struct device *bdev) int dfx_bus_pci = dev_is_pci(bdev); int dfx_bus_tc = DFX_BUS_TC(bdev); int dfx_use_mmio = DFX_MMIO || dfx_bus_tc; - resource_size_t bar_start[3]; /* pointers to ports */ - resource_size_t bar_len[3]; /* resource lengths */ + resource_size_t bar_start[3] = {0}; /* pointers to ports */ + resource_size_t bar_len[3] = {0}; /* resource lengths */ int alloc_size; /* total buffer size used */ unregister_netdev(dev); diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 7456569f53c1..0bf7edd99573 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -980,9 +980,9 @@ static netdev_tx_t geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, opts = ip_tunnel_info_opts(info); if (key->tun_flags & TUNNEL_CSUM) - flags |= GENEVE_F_UDP_CSUM; + flags &= ~GENEVE_F_UDP_ZERO_CSUM6_TX; else - flags &= ~GENEVE_F_UDP_CSUM; + flags |= GENEVE_F_UDP_ZERO_CSUM6_TX; err = geneve6_build_skb(dst, skb, key->tun_flags, vni, info->options_len, opts, @@ -1039,6 +1039,34 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) return geneve_xmit_skb(skb, dev, info); } +static int __geneve_change_mtu(struct net_device *dev, int new_mtu, bool strict) +{ + /* The max_mtu calculation does not take account of GENEVE + * options, to avoid excluding potentially valid + * configurations. + */ + int max_mtu = IP_MAX_MTU - GENEVE_BASE_HLEN - sizeof(struct iphdr) + - dev->hard_header_len; + + if (new_mtu < 68) + return -EINVAL; + + if (new_mtu > max_mtu) { + if (strict) + return -EINVAL; + + new_mtu = max_mtu; + } + + dev->mtu = new_mtu; + return 0; +} + +static int geneve_change_mtu(struct net_device *dev, int new_mtu) +{ + return __geneve_change_mtu(dev, new_mtu, true); +} + static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) { struct ip_tunnel_info *info = skb_tunnel_info(skb); @@ -1083,7 +1111,7 @@ static const struct net_device_ops geneve_netdev_ops = { .ndo_stop = geneve_stop, .ndo_start_xmit = geneve_xmit, .ndo_get_stats64 = ip_tunnel_get_stats64, - .ndo_change_mtu = eth_change_mtu, + .ndo_change_mtu = geneve_change_mtu, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = eth_mac_addr, .ndo_fill_metadata_dst = geneve_fill_metadata_dst, @@ -1150,6 +1178,7 @@ static void geneve_setup(struct net_device *dev) dev->hw_features |= NETIF_F_GSO_SOFTWARE; netif_keep_dst(dev); + dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE; eth_hw_addr_random(dev); } @@ -1441,12 +1470,23 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, return dev; err = geneve_configure(net, dev, &geneve_remote_unspec, - 0, 0, 0, htons(dst_port), true, 0); - if (err) { - free_netdev(dev); - return ERR_PTR(err); - } + 0, 0, 0, htons(dst_port), true, + GENEVE_F_UDP_ZERO_CSUM6_RX); + if (err) + goto err; + + /* openvswitch users expect packet sizes to be unrestricted, + * so set the largest MTU we can. + */ + err = __geneve_change_mtu(dev, IP_MAX_MTU, false); + if (err) + goto err; + return dev; + + err: + free_netdev(dev); + return ERR_PTR(err); } EXPORT_SYMBOL_GPL(geneve_dev_create_fb); diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index f4130af09244..fcb92c0d0eb9 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -624,6 +624,7 @@ struct nvsp_message { #define RNDIS_PKT_ALIGN_DEFAULT 8 struct multi_send_data { + struct sk_buff *skb; /* skb containing the pkt */ struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ u32 count; /* counter of batched packets */ }; diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 059fc5231601..ec313fc08d82 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -841,6 +841,18 @@ static inline int netvsc_send_pkt( return ret; } +/* Move packet out of multi send data (msd), and clear msd */ +static inline void move_pkt_msd(struct hv_netvsc_packet **msd_send, + struct sk_buff **msd_skb, + struct multi_send_data *msdp) +{ + *msd_skb = msdp->skb; + *msd_send = msdp->pkt; + msdp->skb = NULL; + msdp->pkt = NULL; + msdp->count = 0; +} + int netvsc_send(struct hv_device *device, struct hv_netvsc_packet *packet, struct rndis_message *rndis_msg, @@ -855,6 +867,7 @@ int netvsc_send(struct hv_device *device, unsigned int section_index = NETVSC_INVALID_INDEX; struct multi_send_data *msdp; struct hv_netvsc_packet *msd_send = NULL, *cur_send = NULL; + struct sk_buff *msd_skb = NULL; bool try_batch; bool xmit_more = (skb != NULL) ? skb->xmit_more : false; @@ -897,10 +910,8 @@ int netvsc_send(struct hv_device *device, net_device->send_section_size) { section_index = netvsc_get_next_send_section(net_device); if (section_index != NETVSC_INVALID_INDEX) { - msd_send = msdp->pkt; - msdp->pkt = NULL; - msdp->count = 0; - msd_len = 0; + move_pkt_msd(&msd_send, &msd_skb, msdp); + msd_len = 0; } } @@ -919,31 +930,31 @@ int netvsc_send(struct hv_device *device, packet->total_data_buflen += msd_len; } - if (msdp->pkt) - dev_kfree_skb_any(skb); + if (msdp->skb) + dev_kfree_skb_any(msdp->skb); if (xmit_more && !packet->cp_partial) { + msdp->skb = skb; msdp->pkt = packet; msdp->count++; } else { cur_send = packet; + msdp->skb = NULL; msdp->pkt = NULL; msdp->count = 0; } } else { - msd_send = msdp->pkt; - msdp->pkt = NULL; - msdp->count = 0; + move_pkt_msd(&msd_send, &msd_skb, msdp); cur_send = packet; } if (msd_send) { - m_ret = netvsc_send_pkt(msd_send, net_device, pb, skb); + m_ret = netvsc_send_pkt(msd_send, net_device, NULL, msd_skb); if (m_ret != 0) { netvsc_free_send_slot(net_device, msd_send->send_buf_index); - dev_kfree_skb_any(skb); + dev_kfree_skb_any(msd_skb); } } diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 1c8db9afdcda..98e34fee45c7 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -196,65 +196,6 @@ static void *init_ppi_data(struct rndis_message *msg, u32 ppi_size, return ppi; } -union sub_key { - u64 k; - struct { - u8 pad[3]; - u8 kb; - u32 ka; - }; -}; - -/* Toeplitz hash function - * data: network byte order - * return: host byte order - */ -static u32 comp_hash(u8 *key, int klen, void *data, int dlen) -{ - union sub_key subk; - int k_next = 4; - u8 dt; - int i, j; - u32 ret = 0; - - subk.k = 0; - subk.ka = ntohl(*(u32 *)key); - - for (i = 0; i < dlen; i++) { - subk.kb = key[k_next]; - k_next = (k_next + 1) % klen; - dt = ((u8 *)data)[i]; - for (j = 0; j < 8; j++) { - if (dt & 0x80) - ret ^= subk.ka; - dt <<= 1; - subk.k <<= 1; - } - } - - return ret; -} - -static bool netvsc_set_hash(u32 *hash, struct sk_buff *skb) -{ - struct flow_keys flow; - int data_len; - - if (!skb_flow_dissect_flow_keys(skb, &flow, 0) || - !(flow.basic.n_proto == htons(ETH_P_IP) || - flow.basic.n_proto == htons(ETH_P_IPV6))) - return false; - - if (flow.basic.ip_proto == IPPROTO_TCP) - data_len = 12; - else - data_len = 8; - - *hash = comp_hash(netvsc_hash_key, HASH_KEYLEN, &flow, data_len); - - return true; -} - static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb, void *accel_priv, select_queue_fallback_t fallback) { @@ -267,11 +208,9 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb, if (nvsc_dev == NULL || ndev->real_num_tx_queues <= 1) return 0; - if (netvsc_set_hash(&hash, skb)) { - q_idx = nvsc_dev->send_table[hash % VRSS_SEND_TAB_SIZE] % - ndev->real_num_tx_queues; - skb_set_hash(skb, hash, PKT_HASH_TYPE_L3); - } + hash = skb_get_hash(skb); + q_idx = nvsc_dev->send_table[hash % VRSS_SEND_TAB_SIZE] % + ndev->real_num_tx_queues; if (!nvsc_dev->chn_table[q_idx]) q_idx = 0; @@ -1150,6 +1089,9 @@ static int netvsc_probe(struct hv_device *dev, net->ethtool_ops = ðtool_ops; SET_NETDEV_DEV(net, &dev->device); + /* We always need headroom for rndis header */ + net->needed_headroom = RNDIS_AND_PPI_SIZE; + /* Notify the netvsc driver of the new device */ memset(&device_info, 0, sizeof(device_info)); device_info.ring_size = ring_size; diff --git a/drivers/net/irda/bfin_sir.h b/drivers/net/irda/bfin_sir.h index 29cbde8501ed..d47cf14bb4a5 100644 --- a/drivers/net/irda/bfin_sir.h +++ b/drivers/net/irda/bfin_sir.h @@ -82,9 +82,6 @@ struct bfin_sir_self { #define DRIVER_NAME "bfin_sir" -#define port_membase(port) (((struct bfin_sir_port *)(port))->membase) -#define get_lsr_cache(port) (((struct bfin_sir_port *)(port))->lsr) -#define put_lsr_cache(port, v) (((struct bfin_sir_port *)(port))->lsr = (v)) #include <asm/bfin_serial.h> static const unsigned short per[][4] = { diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 6a57a005e0ca..94e688805dd2 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1323,6 +1323,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, list_add_tail_rcu(&vlan->list, &port->vlans); netif_stacked_transfer_operstate(lowerdev, dev); + linkwatch_fire_event(dev); return 0; @@ -1522,6 +1523,7 @@ static int macvlan_device_event(struct notifier_block *unused, port = macvlan_port_get_rtnl(dev); switch (event) { + case NETDEV_UP: case NETDEV_CHANGE: list_for_each_entry(vlan, &port->vlans, list) netif_stacked_transfer_operstate(vlan->lowerdev, diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 60994a83a0d6..f0a77020037a 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -186,6 +186,7 @@ config MDIO_GPIO config MDIO_OCTEON tristate "Support for MDIO buses on Octeon and ThunderX SOCs" depends on 64BIT + depends on HAS_IOMEM help This module provides a driver for the Octeon and ThunderX MDIO diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index bf241a3ec5e5..db507e3bcab9 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -250,10 +250,6 @@ static int bcm7xxx_config_init(struct phy_device *phydev) phy_write(phydev, MII_BCM7XXX_AUX_MODE, MII_BCM7XX_64CLK_MDIO); phy_read(phydev, MII_BCM7XXX_AUX_MODE); - /* Workaround only required for 100Mbits/sec capable PHYs */ - if (phydev->supported & PHY_GBIT_FEATURES) - return 0; - /* set shadow mode 2 */ ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, MII_BCM7XXX_SHD_MODE_2, MII_BCM7XXX_SHD_MODE_2); @@ -270,7 +266,7 @@ static int bcm7xxx_config_init(struct phy_device *phydev) phy_write(phydev, MII_BCM7XXX_100TX_FALSE_CAR, 0x7555); /* reset shadow mode 2 */ - ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, MII_BCM7XXX_SHD_MODE_2, 0); + ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, MII_BCM7XXX_SHD_MODE_2); if (ret < 0) return ret; @@ -307,11 +303,6 @@ static int bcm7xxx_suspend(struct phy_device *phydev) return 0; } -static int bcm7xxx_dummy_config_init(struct phy_device *phydev) -{ - return 0; -} - #define BCM7XXX_28NM_GPHY(_oui, _name) \ { \ .phy_id = (_oui), \ @@ -337,7 +328,7 @@ static struct phy_driver bcm7xxx_driver[] = { .phy_id = PHY_ID_BCM7425, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM7425", - .features = PHY_GBIT_FEATURES | + .features = PHY_BASIC_FEATURES | SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_IS_INTERNAL, .config_init = bcm7xxx_config_init, @@ -349,7 +340,7 @@ static struct phy_driver bcm7xxx_driver[] = { .phy_id = PHY_ID_BCM7429, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM7429", - .features = PHY_GBIT_FEATURES | + .features = PHY_BASIC_FEATURES | SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_IS_INTERNAL, .config_init = bcm7xxx_config_init, @@ -361,7 +352,7 @@ static struct phy_driver bcm7xxx_driver[] = { .phy_id = PHY_ID_BCM7435, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM7435", - .features = PHY_GBIT_FEATURES | + .features = PHY_BASIC_FEATURES | SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_IS_INTERNAL, .config_init = bcm7xxx_config_init, @@ -369,30 +360,6 @@ static struct phy_driver bcm7xxx_driver[] = { .read_status = genphy_read_status, .suspend = bcm7xxx_suspend, .resume = bcm7xxx_config_init, -}, { - .phy_id = PHY_BCM_OUI_4, - .phy_id_mask = 0xffff0000, - .name = "Broadcom BCM7XXX 40nm", - .features = PHY_GBIT_FEATURES | - SUPPORTED_Pause | SUPPORTED_Asym_Pause, - .flags = PHY_IS_INTERNAL, - .config_init = bcm7xxx_config_init, - .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, - .suspend = bcm7xxx_suspend, - .resume = bcm7xxx_config_init, -}, { - .phy_id = PHY_BCM_OUI_5, - .phy_id_mask = 0xffffff00, - .name = "Broadcom BCM7XXX 65nm", - .features = PHY_BASIC_FEATURES | - SUPPORTED_Pause | SUPPORTED_Asym_Pause, - .flags = PHY_IS_INTERNAL, - .config_init = bcm7xxx_dummy_config_init, - .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, - .suspend = bcm7xxx_suspend, - .resume = bcm7xxx_config_init, } }; static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = { @@ -404,8 +371,6 @@ static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = { { PHY_ID_BCM7439, 0xfffffff0, }, { PHY_ID_BCM7435, 0xfffffff0, }, { PHY_ID_BCM7445, 0xfffffff0, }, - { PHY_BCM_OUI_4, 0xffff0000 }, - { PHY_BCM_OUI_5, 0xffffff00 }, { } }; diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 180f69952779..7a240fce3a7e 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -846,6 +846,11 @@ static void decode_rxts(struct dp83640_private *dp83640, struct skb_shared_hwtstamps *shhwtstamps = NULL; struct sk_buff *skb; unsigned long flags; + u8 overflow; + + overflow = (phy_rxts->ns_hi >> 14) & 0x3; + if (overflow) + pr_debug("rx timestamp queue overflow, count %d\n", overflow); spin_lock_irqsave(&dp83640->rx_lock, flags); @@ -888,6 +893,7 @@ static void decode_txts(struct dp83640_private *dp83640, struct skb_shared_hwtstamps shhwtstamps; struct sk_buff *skb; u64 ns; + u8 overflow; /* We must already have the skb that triggered this. */ @@ -897,6 +903,17 @@ static void decode_txts(struct dp83640_private *dp83640, pr_debug("have timestamp but tx_queue empty\n"); return; } + + overflow = (phy_txts->ns_hi >> 14) & 0x3; + if (overflow) { + pr_debug("tx timestamp queue overflow, count %d\n", overflow); + while (skb) { + skb_complete_tx_timestamp(skb, NULL); + skb = skb_dequeue(&dp83640->tx_queue); + } + return; + } + ns = phy2txts(phy_txts); memset(&shhwtstamps, 0, sizeof(shhwtstamps)); shhwtstamps.hwtstamp = ns_to_ktime(ns); diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index e3eb96443c97..ab1d0fcaf1d9 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -446,6 +446,12 @@ static int m88e1510_config_aneg(struct phy_device *phydev) if (err < 0) return err; + return 0; +} + +static int marvell_config_init(struct phy_device *phydev) +{ + /* Set registers from marvell,reg-init DT property */ return marvell_of_reg_init(phydev); } @@ -495,7 +501,7 @@ static int m88e1116r_config_init(struct phy_device *phydev) mdelay(500); - return 0; + return marvell_config_init(phydev); } static int m88e3016_config_init(struct phy_device *phydev) @@ -514,7 +520,7 @@ static int m88e3016_config_init(struct phy_device *phydev) if (reg < 0) return reg; - return 0; + return marvell_config_init(phydev); } static int m88e1111_config_init(struct phy_device *phydev) @@ -1078,6 +1084,7 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .probe = marvell_probe, .flags = PHY_HAS_INTERRUPT, + .config_init = &marvell_config_init, .config_aneg = &marvell_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, @@ -1149,6 +1156,7 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, + .config_init = &marvell_config_init, .config_aneg = &m88e1121_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, @@ -1167,6 +1175,7 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, + .config_init = &marvell_config_init, .config_aneg = &m88e1318_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, @@ -1259,6 +1268,7 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, + .config_init = &marvell_config_init, .config_aneg = &m88e1510_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, @@ -1277,6 +1287,7 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, + .config_init = &marvell_config_init, .config_aneg = &m88e1510_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 8763bb20988a..5590b9c182c9 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -692,25 +692,29 @@ void phy_change(struct work_struct *work) struct phy_device *phydev = container_of(work, struct phy_device, phy_queue); - if (phydev->drv->did_interrupt && - !phydev->drv->did_interrupt(phydev)) - goto ignore; + if (phy_interrupt_is_valid(phydev)) { + if (phydev->drv->did_interrupt && + !phydev->drv->did_interrupt(phydev)) + goto ignore; - if (phy_disable_interrupts(phydev)) - goto phy_err; + if (phy_disable_interrupts(phydev)) + goto phy_err; + } mutex_lock(&phydev->lock); if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) phydev->state = PHY_CHANGELINK; mutex_unlock(&phydev->lock); - atomic_dec(&phydev->irq_disable); - enable_irq(phydev->irq); + if (phy_interrupt_is_valid(phydev)) { + atomic_dec(&phydev->irq_disable); + enable_irq(phydev->irq); - /* Reenable interrupts */ - if (PHY_HALTED != phydev->state && - phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED)) - goto irq_enable_err; + /* Reenable interrupts */ + if (PHY_HALTED != phydev->state && + phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED)) + goto irq_enable_err; + } /* reschedule state queue work to run as soon as possible */ cancel_delayed_work_sync(&phydev->state_queue); @@ -905,10 +909,10 @@ void phy_state_machine(struct work_struct *work) phydev->adjust_link(phydev->attached_dev); break; case PHY_RUNNING: - /* Only register a CHANGE if we are polling or ignoring - * interrupts and link changed since latest checking. + /* Only register a CHANGE if we are polling and link changed + * since latest checking. */ - if (!phy_interrupt_is_valid(phydev)) { + if (phydev->irq == PHY_POLL) { old_link = phydev->link; err = phy_read_status(phydev); if (err) @@ -1000,15 +1004,21 @@ void phy_state_machine(struct work_struct *work) phy_state_to_str(old_state), phy_state_to_str(phydev->state)); - queue_delayed_work(system_power_efficient_wq, &phydev->state_queue, - PHY_STATE_TIME * HZ); + /* Only re-schedule a PHY state machine change if we are polling the + * PHY, if PHY_IGNORE_INTERRUPT is set, then we will be moving + * between states from phy_mac_interrupt() + */ + if (phydev->irq == PHY_POLL) + queue_delayed_work(system_power_efficient_wq, &phydev->state_queue, + PHY_STATE_TIME * HZ); } void phy_mac_interrupt(struct phy_device *phydev, int new_link) { - cancel_work_sync(&phydev->phy_queue); phydev->link = new_link; - schedule_work(&phydev->phy_queue); + + /* Trigger a state machine change */ + queue_work(system_power_efficient_wq, &phydev->phy_queue); } EXPORT_SYMBOL(phy_mac_interrupt); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index bad3f005faee..e551f3a89cfd 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1410,7 +1410,7 @@ int genphy_config_init(struct phy_device *phydev) features = (SUPPORTED_TP | SUPPORTED_MII | SUPPORTED_AUI | SUPPORTED_FIBRE | - SUPPORTED_BNC); + SUPPORTED_BNC | SUPPORTED_Pause | SUPPORTED_Asym_Pause); /* Do we support autonegotiation? */ val = phy_read(phydev, MII_BMSR); diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index e485f2653c82..2e21e9366f76 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -24,6 +24,10 @@ #include <linux/netdevice.h> #include <linux/smscphy.h> +struct smsc_phy_priv { + bool energy_enable; +}; + static int smsc_phy_config_intr(struct phy_device *phydev) { int rc = phy_write (phydev, MII_LAN83C185_IM, @@ -43,19 +47,14 @@ static int smsc_phy_ack_interrupt(struct phy_device *phydev) static int smsc_phy_config_init(struct phy_device *phydev) { - int __maybe_unused len; - struct device *dev __maybe_unused = &phydev->mdio.dev; - struct device_node *of_node __maybe_unused = dev->of_node; + struct smsc_phy_priv *priv = phydev->priv; + int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); - int enable_energy = 1; if (rc < 0) return rc; - if (of_find_property(of_node, "smsc,disable-energy-detect", &len)) - enable_energy = 0; - - if (enable_energy) { + if (priv->energy_enable) { /* Enable energy detect mode for this SMSC Transceivers */ rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS, rc | MII_LAN83C185_EDPWRDOWN); @@ -110,10 +109,13 @@ static int lan911x_config_init(struct phy_device *phydev) */ static int lan87xx_read_status(struct phy_device *phydev) { + struct smsc_phy_priv *priv = phydev->priv; + int err = genphy_read_status(phydev); - int i; - if (!phydev->link) { + if (!phydev->link && priv->energy_enable) { + int i; + /* Disable EDPD to wake up PHY */ int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); if (rc < 0) @@ -149,6 +151,26 @@ static int lan87xx_read_status(struct phy_device *phydev) return err; } +static int smsc_phy_probe(struct phy_device *phydev) +{ + struct device *dev = &phydev->mdio.dev; + struct device_node *of_node = dev->of_node; + struct smsc_phy_priv *priv; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->energy_enable = true; + + if (of_property_read_bool(of_node, "smsc,disable-energy-detect")) + priv->energy_enable = false; + + phydev->priv = priv; + + return 0; +} + static struct phy_driver smsc_phy_driver[] = { { .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */ @@ -159,6 +181,8 @@ static struct phy_driver smsc_phy_driver[] = { | SUPPORTED_Asym_Pause), .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + .probe = smsc_phy_probe, + /* basic functions */ .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, @@ -180,6 +204,8 @@ static struct phy_driver smsc_phy_driver[] = { | SUPPORTED_Asym_Pause), .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + .probe = smsc_phy_probe, + /* basic functions */ .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, @@ -201,6 +227,8 @@ static struct phy_driver smsc_phy_driver[] = { | SUPPORTED_Asym_Pause), .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + .probe = smsc_phy_probe, + /* basic functions */ .config_aneg = genphy_config_aneg, .read_status = lan87xx_read_status, @@ -222,6 +250,8 @@ static struct phy_driver smsc_phy_driver[] = { | SUPPORTED_Asym_Pause), .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + .probe = smsc_phy_probe, + /* basic functions */ .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, @@ -242,6 +272,8 @@ static struct phy_driver smsc_phy_driver[] = { | SUPPORTED_Asym_Pause), .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + .probe = smsc_phy_probe, + /* basic functions */ .config_aneg = genphy_config_aneg, .read_status = lan87xx_read_status, @@ -263,6 +295,8 @@ static struct phy_driver smsc_phy_driver[] = { | SUPPORTED_Asym_Pause), .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + .probe = smsc_phy_probe, + /* basic functions */ .config_aneg = genphy_config_aneg, .read_status = lan87xx_read_status, diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index f3c63022eb3c..4ddae8118c85 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -395,6 +395,8 @@ static int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb) if (!__pppoe_xmit(sk_pppox(relay_po), skb)) goto abort_put; + + sock_put(sk_pppox(relay_po)); } else { if (sock_queue_rcv_skb(sk, skb)) goto abort_kfree; diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index 90868ca5e341..ae0905ed4a32 100644 --- a/drivers/net/ppp/pptp.c +++ b/drivers/net/ppp/pptp.c @@ -129,24 +129,27 @@ static int lookup_chan_dst(u16 call_id, __be32 d_addr) return i < MAX_CALLID; } -static int add_chan(struct pppox_sock *sock) +static int add_chan(struct pppox_sock *sock, + struct pptp_addr *sa) { static int call_id; spin_lock(&chan_lock); - if (!sock->proto.pptp.src_addr.call_id) { + if (!sa->call_id) { call_id = find_next_zero_bit(callid_bitmap, MAX_CALLID, call_id + 1); if (call_id == MAX_CALLID) { call_id = find_next_zero_bit(callid_bitmap, MAX_CALLID, 1); if (call_id == MAX_CALLID) goto out_err; } - sock->proto.pptp.src_addr.call_id = call_id; - } else if (test_bit(sock->proto.pptp.src_addr.call_id, callid_bitmap)) + sa->call_id = call_id; + } else if (test_bit(sa->call_id, callid_bitmap)) { goto out_err; + } - set_bit(sock->proto.pptp.src_addr.call_id, callid_bitmap); - rcu_assign_pointer(callid_sock[sock->proto.pptp.src_addr.call_id], sock); + sock->proto.pptp.src_addr = *sa; + set_bit(sa->call_id, callid_bitmap); + rcu_assign_pointer(callid_sock[sa->call_id], sock); spin_unlock(&chan_lock); return 0; @@ -416,7 +419,6 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr, struct sock *sk = sock->sk; struct sockaddr_pppox *sp = (struct sockaddr_pppox *) uservaddr; struct pppox_sock *po = pppox_sk(sk); - struct pptp_opt *opt = &po->proto.pptp; int error = 0; if (sockaddr_len < sizeof(struct sockaddr_pppox)) @@ -424,10 +426,22 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr, lock_sock(sk); - opt->src_addr = sp->sa_addr.pptp; - if (add_chan(po)) + if (sk->sk_state & PPPOX_DEAD) { + error = -EALREADY; + goto out; + } + + if (sk->sk_state & PPPOX_BOUND) { error = -EBUSY; + goto out; + } + + if (add_chan(po, &sp->sa_addr.pptp)) + error = -EBUSY; + else + sk->sk_state |= PPPOX_BOUND; +out: release_sock(sk); return error; } @@ -498,7 +512,7 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr, } opt->dst_addr = sp->sa_addr.pptp; - sk->sk_state = PPPOX_CONNECTED; + sk->sk_state |= PPPOX_CONNECTED; end: release_sock(sk); diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 7f83504dfa69..cdde59089f72 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -395,6 +395,10 @@ config USB_NET_RNDIS_HOST The protocol specification is incomplete, and is controlled by (and for) Microsoft; it isn't an "Open" ecosystem or market. +config USB_NET_CDC_SUBSET_ENABLE + tristate + depends on USB_NET_CDC_SUBSET + config USB_NET_CDC_SUBSET tristate "Simple USB Network Links (CDC Ethernet subset)" depends on USB_USBNET @@ -413,6 +417,7 @@ config USB_NET_CDC_SUBSET config USB_ALI_M5632 bool "ALi M5632 based 'USB 2.0 Data Link' cables" depends on USB_NET_CDC_SUBSET + select USB_NET_CDC_SUBSET_ENABLE help Choose this option if you're using a host-to-host cable based on this design, which supports USB 2.0 high speed. @@ -420,6 +425,7 @@ config USB_ALI_M5632 config USB_AN2720 bool "AnchorChips 2720 based cables (Xircom PGUNET, ...)" depends on USB_NET_CDC_SUBSET + select USB_NET_CDC_SUBSET_ENABLE help Choose this option if you're using a host-to-host cable based on this design. Note that AnchorChips is now a @@ -428,6 +434,7 @@ config USB_AN2720 config USB_BELKIN bool "eTEK based host-to-host cables (Advance, Belkin, ...)" depends on USB_NET_CDC_SUBSET + select USB_NET_CDC_SUBSET_ENABLE default y help Choose this option if you're using a host-to-host cable @@ -437,6 +444,7 @@ config USB_BELKIN config USB_ARMLINUX bool "Embedded ARM Linux links (iPaq, ...)" depends on USB_NET_CDC_SUBSET + select USB_NET_CDC_SUBSET_ENABLE default y help Choose this option to support the "usb-eth" networking driver @@ -454,6 +462,7 @@ config USB_ARMLINUX config USB_EPSON2888 bool "Epson 2888 based firmware (DEVELOPMENT)" depends on USB_NET_CDC_SUBSET + select USB_NET_CDC_SUBSET_ENABLE help Choose this option to support the usb networking links used by some sample firmware from Epson. @@ -461,6 +470,7 @@ config USB_EPSON2888 config USB_KC2190 bool "KT Technology KC2190 based cables (InstaNet)" depends on USB_NET_CDC_SUBSET + select USB_NET_CDC_SUBSET_ENABLE help Choose this option if you're using a host-to-host cable with one of these chips. diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index b5f04068dbe4..37fb46aee341 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -23,7 +23,7 @@ obj-$(CONFIG_USB_NET_GL620A) += gl620a.o obj-$(CONFIG_USB_NET_NET1080) += net1080.o obj-$(CONFIG_USB_NET_PLUSB) += plusb.o obj-$(CONFIG_USB_NET_RNDIS_HOST) += rndis_host.o -obj-$(CONFIG_USB_NET_CDC_SUBSET) += cdc_subset.o +obj-$(CONFIG_USB_NET_CDC_SUBSET_ENABLE) += cdc_subset.o obj-$(CONFIG_USB_NET_ZAURUS) += zaurus.o obj-$(CONFIG_USB_NET_MCS7830) += mcs7830.o obj-$(CONFIG_USB_USBNET) += usbnet.o diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 2ed53331bfb2..1c299b8a162d 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -36,7 +36,7 @@ #define DRIVER_AUTHOR "WOOJUNG HUH <[email protected]>" #define DRIVER_DESC "LAN78XX USB 3.0 Gigabit Ethernet Devices" #define DRIVER_NAME "lan78xx" -#define DRIVER_VERSION "1.0.1" +#define DRIVER_VERSION "1.0.2" #define TX_TIMEOUT_JIFFIES (5 * HZ) #define THROTTLE_JIFFIES (HZ / 8) @@ -462,32 +462,53 @@ static int lan78xx_read_raw_eeprom(struct lan78xx_net *dev, u32 offset, u32 length, u8 *data) { u32 val; + u32 saved; int i, ret; + int retval; - ret = lan78xx_eeprom_confirm_not_busy(dev); - if (ret) - return ret; + /* depends on chip, some EEPROM pins are muxed with LED function. + * disable & restore LED function to access EEPROM. + */ + ret = lan78xx_read_reg(dev, HW_CFG, &val); + saved = val; + if ((dev->devid & ID_REV_CHIP_ID_MASK_) == 0x78000000) { + val &= ~(HW_CFG_LED1_EN_ | HW_CFG_LED0_EN_); + ret = lan78xx_write_reg(dev, HW_CFG, val); + } + + retval = lan78xx_eeprom_confirm_not_busy(dev); + if (retval) + return retval; for (i = 0; i < length; i++) { val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_READ_; val |= (offset & E2P_CMD_EPC_ADDR_MASK_); ret = lan78xx_write_reg(dev, E2P_CMD, val); - if (unlikely(ret < 0)) - return -EIO; + if (unlikely(ret < 0)) { + retval = -EIO; + goto exit; + } - ret = lan78xx_wait_eeprom(dev); - if (ret < 0) - return ret; + retval = lan78xx_wait_eeprom(dev); + if (retval < 0) + goto exit; ret = lan78xx_read_reg(dev, E2P_DATA, &val); - if (unlikely(ret < 0)) - return -EIO; + if (unlikely(ret < 0)) { + retval = -EIO; + goto exit; + } data[i] = val & 0xFF; offset++; } - return 0; + retval = 0; +exit: + if ((dev->devid & ID_REV_CHIP_ID_MASK_) == 0x78000000) + ret = lan78xx_write_reg(dev, HW_CFG, saved); + + return retval; } static int lan78xx_read_eeprom(struct lan78xx_net *dev, u32 offset, @@ -509,44 +530,67 @@ static int lan78xx_write_raw_eeprom(struct lan78xx_net *dev, u32 offset, u32 length, u8 *data) { u32 val; + u32 saved; int i, ret; + int retval; - ret = lan78xx_eeprom_confirm_not_busy(dev); - if (ret) - return ret; + /* depends on chip, some EEPROM pins are muxed with LED function. + * disable & restore LED function to access EEPROM. + */ + ret = lan78xx_read_reg(dev, HW_CFG, &val); + saved = val; + if ((dev->devid & ID_REV_CHIP_ID_MASK_) == 0x78000000) { + val &= ~(HW_CFG_LED1_EN_ | HW_CFG_LED0_EN_); + ret = lan78xx_write_reg(dev, HW_CFG, val); + } + + retval = lan78xx_eeprom_confirm_not_busy(dev); + if (retval) + goto exit; /* Issue write/erase enable command */ val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_EWEN_; ret = lan78xx_write_reg(dev, E2P_CMD, val); - if (unlikely(ret < 0)) - return -EIO; + if (unlikely(ret < 0)) { + retval = -EIO; + goto exit; + } - ret = lan78xx_wait_eeprom(dev); - if (ret < 0) - return ret; + retval = lan78xx_wait_eeprom(dev); + if (retval < 0) + goto exit; for (i = 0; i < length; i++) { /* Fill data register */ val = data[i]; ret = lan78xx_write_reg(dev, E2P_DATA, val); - if (ret < 0) - return ret; + if (ret < 0) { + retval = -EIO; + goto exit; + } /* Send "write" command */ val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_WRITE_; val |= (offset & E2P_CMD_EPC_ADDR_MASK_); ret = lan78xx_write_reg(dev, E2P_CMD, val); - if (ret < 0) - return ret; + if (ret < 0) { + retval = -EIO; + goto exit; + } - ret = lan78xx_wait_eeprom(dev); - if (ret < 0) - return ret; + retval = lan78xx_wait_eeprom(dev); + if (retval < 0) + goto exit; offset++; } - return 0; + retval = 0; +exit: + if ((dev->devid & ID_REV_CHIP_ID_MASK_) == 0x78000000) + ret = lan78xx_write_reg(dev, HW_CFG, saved); + + return retval; } static int lan78xx_read_raw_otp(struct lan78xx_net *dev, u32 offset, @@ -904,7 +948,6 @@ static int lan78xx_link_reset(struct lan78xx_net *dev) if (!phydev->link && dev->link_on) { dev->link_on = false; - netif_carrier_off(dev->net); /* reset MAC */ ret = lan78xx_read_reg(dev, MAC_CR, &buf); @@ -914,6 +957,8 @@ static int lan78xx_link_reset(struct lan78xx_net *dev) ret = lan78xx_write_reg(dev, MAC_CR, buf); if (unlikely(ret < 0)) return -EIO; + + phy_mac_interrupt(phydev, 0); } else if (phydev->link && !dev->link_on) { dev->link_on = true; @@ -953,7 +998,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev) ethtool_cmd_speed(&ecmd), ecmd.duplex, ladv, radv); ret = lan78xx_update_flowcontrol(dev, ecmd.duplex, ladv, radv); - netif_carrier_on(dev->net); + phy_mac_interrupt(phydev, 1); } return ret; @@ -1495,7 +1540,6 @@ done: static int lan78xx_mdio_init(struct lan78xx_net *dev) { int ret; - int i; dev->mdiobus = mdiobus_alloc(); if (!dev->mdiobus) { @@ -1511,10 +1555,6 @@ static int lan78xx_mdio_init(struct lan78xx_net *dev) snprintf(dev->mdiobus->id, MII_BUS_ID_SIZE, "usb-%03d:%03d", dev->udev->bus->busnum, dev->udev->devnum); - /* handle our own interrupt */ - for (i = 0; i < PHY_MAX_ADDR; i++) - dev->mdiobus->irq[i] = PHY_IGNORE_INTERRUPT; - switch (dev->devid & ID_REV_CHIP_ID_MASK_) { case 0x78000000: case 0x78500000: @@ -1558,6 +1598,16 @@ static int lan78xx_phy_init(struct lan78xx_net *dev) return -EIO; } + /* Enable PHY interrupts. + * We handle our own interrupt + */ + ret = phy_read(phydev, LAN88XX_INT_STS); + ret = phy_write(phydev, LAN88XX_INT_MASK, + LAN88XX_INT_MASK_MDINTPIN_EN_ | + LAN88XX_INT_MASK_LINK_CHANGE_); + + phydev->irq = PHY_IGNORE_INTERRUPT; + ret = phy_connect_direct(dev->net, phydev, lan78xx_link_status_change, PHY_INTERFACE_MODE_GMII); @@ -1580,14 +1630,6 @@ static int lan78xx_phy_init(struct lan78xx_net *dev) SUPPORTED_Pause | SUPPORTED_Asym_Pause); genphy_config_aneg(phydev); - /* Workaround to enable PHY interrupt. - * phy_start_interrupts() is API for requesting and enabling - * PHY interrupt. However, USB-to-Ethernet device can't use - * request_irq() called in phy_start_interrupts(). - * Set PHY to PHY_HALTED and call phy_start() - * to make a call to phy_enable_interrupts() - */ - phy_stop(phydev); phy_start(phydev); netif_dbg(dev, ifup, dev->net, "phy initialised successfully"); @@ -2221,7 +2263,9 @@ netdev_tx_t lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net) if (skb2) { skb_queue_tail(&dev->txq_pend, skb2); - if (skb_queue_len(&dev->txq_pend) > 10) + /* throttle TX patch at slower than SUPER SPEED USB */ + if ((dev->udev->speed < USB_SPEED_SUPER) && + (skb_queue_len(&dev->txq_pend) > 10)) netif_stop_queue(net); } else { netif_dbg(dev, tx_err, dev->net, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 23e9880791fc..570deef53f74 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -637,6 +637,7 @@ static const struct usb_device_id products[] = { /* 3. Combined interface devices matching on interface number */ {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ + {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h index 221a53025fd0..72ba8ae7f09a 100644 --- a/drivers/net/vmxnet3/vmxnet3_defs.h +++ b/drivers/net/vmxnet3/vmxnet3_defs.h @@ -377,7 +377,7 @@ union Vmxnet3_GenericDesc { #define VMXNET3_TX_RING_MAX_SIZE 4096 #define VMXNET3_TC_RING_MAX_SIZE 4096 #define VMXNET3_RX_RING_MAX_SIZE 4096 -#define VMXNET3_RX_RING2_MAX_SIZE 2048 +#define VMXNET3_RX_RING2_MAX_SIZE 4096 #define VMXNET3_RC_RING_MAX_SIZE 8192 /* a list of reasons for queue stop */ diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index bdb8a6c0f8aa..729c344e6774 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -69,10 +69,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.4.5.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.4.6.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01040500 +#define VMXNET3_DRIVER_VERSION_NUM 0x01040600 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 2d88c799d2ac..e6944b29588e 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -73,7 +73,7 @@ MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN"); static int vxlan_net_id; static struct rtnl_link_ops vxlan_link_ops; -static const u8 all_zeros_mac[ETH_ALEN]; +static const u8 all_zeros_mac[ETH_ALEN + 2]; static int vxlan_sock_add(struct vxlan_dev *vxlan); @@ -1985,11 +1985,6 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, vxlan->cfg.port_max, true); if (info) { - if (info->key.tun_flags & TUNNEL_CSUM) - flags |= VXLAN_F_UDP_CSUM; - else - flags &= ~VXLAN_F_UDP_CSUM; - ttl = info->key.ttl; tos = info->key.tos; @@ -2004,8 +1999,15 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, goto drop; sk = vxlan->vn4_sock->sock->sk; - if (info && (info->key.tun_flags & TUNNEL_DONT_FRAGMENT)) - df = htons(IP_DF); + if (info) { + if (info->key.tun_flags & TUNNEL_DONT_FRAGMENT) + df = htons(IP_DF); + + if (info->key.tun_flags & TUNNEL_CSUM) + flags |= VXLAN_F_UDP_CSUM; + else + flags &= ~VXLAN_F_UDP_CSUM; + } memset(&fl4, 0, sizeof(fl4)); fl4.flowi4_oif = rdst ? rdst->remote_ifindex : 0; @@ -2101,6 +2103,13 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, return; } + if (info) { + if (info->key.tun_flags & TUNNEL_CSUM) + flags &= ~VXLAN_F_UDP_ZERO_CSUM6_TX; + else + flags |= VXLAN_F_UDP_ZERO_CSUM6_TX; + } + ttl = ttl ? : ip6_dst_hoplimit(ndst); err = vxlan6_xmit_skb(ndst, sk, skb, dev, &saddr, &dst->sin6.sin6_addr, 0, ttl, src_port, dst_port, htonl(vni << 8), md, @@ -2162,9 +2171,11 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) #endif } - if (vxlan->flags & VXLAN_F_COLLECT_METADATA && - info && info->mode & IP_TUNNEL_INFO_TX) { - vxlan_xmit_one(skb, dev, NULL, false); + if (vxlan->flags & VXLAN_F_COLLECT_METADATA) { + if (info && info->mode & IP_TUNNEL_INFO_TX) + vxlan_xmit_one(skb, dev, NULL, false); + else + kfree_skb(skb); return NETDEV_TX_OK; } @@ -2358,29 +2369,43 @@ static void vxlan_set_multicast_list(struct net_device *dev) { } -static int vxlan_change_mtu(struct net_device *dev, int new_mtu) +static int __vxlan_change_mtu(struct net_device *dev, + struct net_device *lowerdev, + struct vxlan_rdst *dst, int new_mtu, bool strict) { - struct vxlan_dev *vxlan = netdev_priv(dev); - struct vxlan_rdst *dst = &vxlan->default_dst; - struct net_device *lowerdev; - int max_mtu; + int max_mtu = IP_MAX_MTU; - lowerdev = __dev_get_by_index(vxlan->net, dst->remote_ifindex); - if (lowerdev == NULL) - return eth_change_mtu(dev, new_mtu); + if (lowerdev) + max_mtu = lowerdev->mtu; if (dst->remote_ip.sa.sa_family == AF_INET6) - max_mtu = lowerdev->mtu - VXLAN6_HEADROOM; + max_mtu -= VXLAN6_HEADROOM; else - max_mtu = lowerdev->mtu - VXLAN_HEADROOM; + max_mtu -= VXLAN_HEADROOM; - if (new_mtu < 68 || new_mtu > max_mtu) + if (new_mtu < 68) return -EINVAL; + if (new_mtu > max_mtu) { + if (strict) + return -EINVAL; + + new_mtu = max_mtu; + } + dev->mtu = new_mtu; return 0; } +static int vxlan_change_mtu(struct net_device *dev, int new_mtu) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + struct vxlan_rdst *dst = &vxlan->default_dst; + struct net_device *lowerdev = __dev_get_by_index(vxlan->net, + dst->remote_ifindex); + return __vxlan_change_mtu(dev, lowerdev, dst, new_mtu, true); +} + static int egress_ipv4_tun_info(struct net_device *dev, struct sk_buff *skb, struct ip_tunnel_info *info, __be16 sport, __be16 dport) @@ -2514,6 +2539,7 @@ static void vxlan_setup(struct net_device *dev) dev->hw_features |= NETIF_F_GSO_SOFTWARE; dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; netif_keep_dst(dev); + dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE; INIT_LIST_HEAD(&vxlan->next); @@ -2756,6 +2782,7 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, int err; bool use_ipv6 = false; __be16 default_port = vxlan->cfg.dst_port; + struct net_device *lowerdev = NULL; vxlan->net = src_net; @@ -2776,9 +2803,7 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, } if (conf->remote_ifindex) { - struct net_device *lowerdev - = __dev_get_by_index(src_net, conf->remote_ifindex); - + lowerdev = __dev_get_by_index(src_net, conf->remote_ifindex); dst->remote_ifindex = conf->remote_ifindex; if (!lowerdev) { @@ -2802,6 +2827,12 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, needed_headroom = lowerdev->hard_header_len; } + if (conf->mtu) { + err = __vxlan_change_mtu(dev, lowerdev, dst, conf->mtu, false); + if (err) + return err; + } + if (use_ipv6 || conf->flags & VXLAN_F_COLLECT_METADATA) needed_headroom += VXLAN6_HEADROOM; else diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c index 7a72407208b1..629225980463 100644 --- a/drivers/net/wan/dscc4.c +++ b/drivers/net/wan/dscc4.c @@ -1626,7 +1626,7 @@ try: if (state & Xpr) { void __iomem *scc_addr; unsigned long ring; - int i; + unsigned int i; /* * - the busy condition happens (sometimes); diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c index a7afdeee698c..73fb4232f9f2 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.c +++ b/drivers/net/wireless/ath/ath9k/eeprom.c @@ -150,18 +150,18 @@ int ath9k_hw_nvram_swap_data(struct ath_hw *ah, bool *swap_needed, int size) return -EIO; } - if (magic == AR5416_EEPROM_MAGIC) { - *swap_needed = false; - } else if (swab16(magic) == AR5416_EEPROM_MAGIC) { + *swap_needed = false; + if (swab16(magic) == AR5416_EEPROM_MAGIC) { if (ah->ah_flags & AH_NO_EEP_SWAP) { ath_info(common, "Ignoring endianness difference in EEPROM magic bytes.\n"); - - *swap_needed = false; } else { *swap_needed = true; } - } else { + } else if (magic != AR5416_EEPROM_MAGIC) { + if (ath9k_hw_use_flash(ah)) + return 0; + ath_err(common, "Invalid EEPROM Magic (0x%04x).\n", magic); return -EINVAL; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index 53637399bb99..b98db8a0a069 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -879,11 +879,24 @@ int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn) return 0; } -static void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) +void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) { + struct sdio_func *func; + struct mmc_host *host; + uint max_blocks; uint nents; int err; + func = sdiodev->func[2]; + host = func->card->host; + sdiodev->sg_support = host->max_segs > 1; + max_blocks = min_t(uint, host->max_blk_count, 511u); + sdiodev->max_request_size = min_t(uint, host->max_req_size, + max_blocks * func->cur_blksize); + sdiodev->max_segment_count = min_t(uint, host->max_segs, + SG_MAX_SINGLE_ALLOC); + sdiodev->max_segment_size = host->max_seg_size; + if (!sdiodev->sg_support) return; @@ -1021,9 +1034,6 @@ static void brcmf_sdiod_host_fixup(struct mmc_host *host) static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) { - struct sdio_func *func; - struct mmc_host *host; - uint max_blocks; int ret = 0; sdiodev->num_funcs = 2; @@ -1054,26 +1064,6 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) goto out; } - /* - * determine host related variables after brcmf_sdiod_probe() - * as func->cur_blksize is properly set and F2 init has been - * completed successfully. - */ - func = sdiodev->func[2]; - host = func->card->host; - sdiodev->sg_support = host->max_segs > 1; - max_blocks = min_t(uint, host->max_blk_count, 511u); - sdiodev->max_request_size = min_t(uint, host->max_req_size, - max_blocks * func->cur_blksize); - sdiodev->max_segment_count = min_t(uint, host->max_segs, - SG_MAX_SINGLE_ALLOC); - sdiodev->max_segment_size = host->max_seg_size; - - /* allocate scatter-gather table. sg support - * will be disabled upon allocation failure. - */ - brcmf_sdiod_sgtable_alloc(sdiodev); - ret = brcmf_sdiod_freezer_attach(sdiodev); if (ret) goto out; @@ -1084,7 +1074,7 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) ret = -ENODEV; goto out; } - brcmf_sdiod_host_fixup(host); + brcmf_sdiod_host_fixup(sdiodev->func[2]->card->host); out: if (ret) brcmf_sdiod_remove(sdiodev); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index 4265b50faa98..cfee477a6eb1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/netdevice.h> +#include <linux/module.h> #include <brcmu_wifi.h> #include <brcmu_utils.h> #include "core.h" diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index dd6614332836..a14d9d9da094 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -4114,6 +4114,11 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) goto fail; } + /* allocate scatter-gather table. sg support + * will be disabled upon allocation failure. + */ + brcmf_sdiod_sgtable_alloc(bus->sdiodev); + /* Query the F2 block size, set roundup accordingly */ bus->blocksize = bus->sdiodev->func[2]->cur_blksize; bus->roundup = min(max_roundup, bus->blocksize); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h index 5ec7a6d87672..23f223150cef 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h @@ -342,6 +342,7 @@ int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, /* Issue an abort to the specified function */ int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); +void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev); void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, enum brcmf_sdiod_state state); #ifdef CONFIG_PM_SLEEP diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig index 866067789330..7438fbeef744 100644 --- a/drivers/net/wireless/intel/iwlwifi/Kconfig +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig @@ -53,7 +53,6 @@ config IWLWIFI_LEDS config IWLDVM tristate "Intel Wireless WiFi DVM Firmware support" - depends on m help This is the driver that supports the DVM firmware. The list of the devices that use this firmware is available here: diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c index e60cf141ed79..fa41a5e1c890 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c @@ -74,16 +74,19 @@ #define IWL7260_UCODE_API_MAX 17 #define IWL7265_UCODE_API_MAX 17 #define IWL7265D_UCODE_API_MAX 20 +#define IWL3168_UCODE_API_MAX 20 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 13 #define IWL7265_UCODE_API_OK 13 #define IWL7265D_UCODE_API_OK 13 +#define IWL3168_UCODE_API_OK 20 /* Lowest firmware API version supported */ #define IWL7260_UCODE_API_MIN 13 #define IWL7265_UCODE_API_MIN 13 #define IWL7265D_UCODE_API_MIN 13 +#define IWL3168_UCODE_API_MIN 20 /* NVM versions */ #define IWL7260_NVM_VERSION 0x0a1d @@ -92,6 +95,8 @@ #define IWL3160_TX_POWER_VERSION 0xffff /* meaningless */ #define IWL3165_NVM_VERSION 0x709 #define IWL3165_TX_POWER_VERSION 0xffff /* meaningless */ +#define IWL3168_NVM_VERSION 0xd01 +#define IWL3168_TX_POWER_VERSION 0xffff /* meaningless */ #define IWL7265_NVM_VERSION 0x0a1d #define IWL7265_TX_POWER_VERSION 0xffff /* meaningless */ #define IWL7265D_NVM_VERSION 0x0c11 @@ -109,6 +114,9 @@ #define IWL3160_FW_PRE "iwlwifi-3160-" #define IWL3160_MODULE_FIRMWARE(api) IWL3160_FW_PRE __stringify(api) ".ucode" +#define IWL3168_FW_PRE "iwlwifi-3168-" +#define IWL3168_MODULE_FIRMWARE(api) IWL3168_FW_PRE __stringify(api) ".ucode" + #define IWL7265_FW_PRE "iwlwifi-7265-" #define IWL7265_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode" @@ -180,6 +188,12 @@ static const struct iwl_ht_params iwl7000_ht_params = { .ucode_api_ok = IWL7265_UCODE_API_OK, \ .ucode_api_min = IWL7265_UCODE_API_MIN +#define IWL_DEVICE_3008 \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL3168_UCODE_API_MAX, \ + .ucode_api_ok = IWL3168_UCODE_API_OK, \ + .ucode_api_min = IWL3168_UCODE_API_MIN + #define IWL_DEVICE_7005D \ IWL_DEVICE_7000_COMMON, \ .ucode_api_max = IWL7265D_UCODE_API_MAX, \ @@ -299,11 +313,11 @@ const struct iwl_cfg iwl3165_2ac_cfg = { const struct iwl_cfg iwl3168_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 3168", - .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + .fw_name_pre = IWL3168_FW_PRE, + IWL_DEVICE_3008, .ht_params = &iwl7000_ht_params, - .nvm_ver = IWL3165_NVM_VERSION, - .nvm_calib_ver = IWL3165_TX_POWER_VERSION, + .nvm_ver = IWL3168_NVM_VERSION, + .nvm_calib_ver = IWL3168_TX_POWER_VERSION, .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs, .dccm_len = IWL7265_DCCM_LEN, }; @@ -376,5 +390,6 @@ const struct iwl_cfg iwl7265d_n_cfg = { MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); +MODULE_FIRMWARE(IWL3168_MODULE_FIRMWARE(IWL3168_UCODE_API_OK)); MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK)); MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK)); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c index c84a0299d43e..bce9b3420a13 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c @@ -7,6 +7,7 @@ * * Copyright(c) 2014 Intel Corporation. All rights reserved. * Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -70,12 +71,15 @@ /* Highest firmware API version supported */ #define IWL8000_UCODE_API_MAX 20 +#define IWL8265_UCODE_API_MAX 20 /* Oldest version we won't warn about */ #define IWL8000_UCODE_API_OK 13 +#define IWL8265_UCODE_API_OK 20 /* Lowest firmware API version supported */ #define IWL8000_UCODE_API_MIN 13 +#define IWL8265_UCODE_API_MIN 20 /* NVM versions */ #define IWL8000_NVM_VERSION 0x0a1d @@ -93,6 +97,10 @@ #define IWL8000_MODULE_FIRMWARE(api) \ IWL8000_FW_PRE "-" __stringify(api) ".ucode" +#define IWL8265_FW_PRE "iwlwifi-8265-" +#define IWL8265_MODULE_FIRMWARE(api) \ + IWL8265_FW_PRE __stringify(api) ".ucode" + #define NVM_HW_SECTION_NUM_FAMILY_8000 10 #define DEFAULT_NVM_FILE_FAMILY_8000B "nvmData-8000B" #define DEFAULT_NVM_FILE_FAMILY_8000C "nvmData-8000C" @@ -144,10 +152,7 @@ static const struct iwl_tt_params iwl8000_tt_params = { .support_tx_backoff = true, }; -#define IWL_DEVICE_8000 \ - .ucode_api_max = IWL8000_UCODE_API_MAX, \ - .ucode_api_ok = IWL8000_UCODE_API_OK, \ - .ucode_api_min = IWL8000_UCODE_API_MIN, \ +#define IWL_DEVICE_8000_COMMON \ .device_family = IWL_DEVICE_FAMILY_8000, \ .max_inst_size = IWL60_RTC_INST_SIZE, \ .max_data_size = IWL60_RTC_DATA_SIZE, \ @@ -167,10 +172,28 @@ static const struct iwl_tt_params iwl8000_tt_params = { .thermal_params = &iwl8000_tt_params, \ .apmg_not_supported = true +#define IWL_DEVICE_8000 \ + IWL_DEVICE_8000_COMMON, \ + .ucode_api_max = IWL8000_UCODE_API_MAX, \ + .ucode_api_ok = IWL8000_UCODE_API_OK, \ + .ucode_api_min = IWL8000_UCODE_API_MIN \ + +#define IWL_DEVICE_8260 \ + IWL_DEVICE_8000_COMMON, \ + .ucode_api_max = IWL8000_UCODE_API_MAX, \ + .ucode_api_ok = IWL8000_UCODE_API_OK, \ + .ucode_api_min = IWL8000_UCODE_API_MIN \ + +#define IWL_DEVICE_8265 \ + IWL_DEVICE_8000_COMMON, \ + .ucode_api_max = IWL8265_UCODE_API_MAX, \ + .ucode_api_ok = IWL8265_UCODE_API_OK, \ + .ucode_api_min = IWL8265_UCODE_API_MIN \ + const struct iwl_cfg iwl8260_2n_cfg = { .name = "Intel(R) Dual Band Wireless N 8260", .fw_name_pre = IWL8000_FW_PRE, - IWL_DEVICE_8000, + IWL_DEVICE_8260, .ht_params = &iwl8000_ht_params, .nvm_ver = IWL8000_NVM_VERSION, .nvm_calib_ver = IWL8000_TX_POWER_VERSION, @@ -179,7 +202,7 @@ const struct iwl_cfg iwl8260_2n_cfg = { const struct iwl_cfg iwl8260_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 8260", .fw_name_pre = IWL8000_FW_PRE, - IWL_DEVICE_8000, + IWL_DEVICE_8260, .ht_params = &iwl8000_ht_params, .nvm_ver = IWL8000_NVM_VERSION, .nvm_calib_ver = IWL8000_TX_POWER_VERSION, @@ -188,8 +211,8 @@ const struct iwl_cfg iwl8260_2ac_cfg = { const struct iwl_cfg iwl8265_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 8265", - .fw_name_pre = IWL8000_FW_PRE, - IWL_DEVICE_8000, + .fw_name_pre = IWL8265_FW_PRE, + IWL_DEVICE_8265, .ht_params = &iwl8000_ht_params, .nvm_ver = IWL8000_NVM_VERSION, .nvm_calib_ver = IWL8000_TX_POWER_VERSION, @@ -209,7 +232,7 @@ const struct iwl_cfg iwl4165_2ac_cfg = { const struct iwl_cfg iwl8260_2ac_sdio_cfg = { .name = "Intel(R) Dual Band Wireless-AC 8260", .fw_name_pre = IWL8000_FW_PRE, - IWL_DEVICE_8000, + IWL_DEVICE_8260, .ht_params = &iwl8000_ht_params, .nvm_ver = IWL8000_NVM_VERSION, .nvm_calib_ver = IWL8000_TX_POWER_VERSION, @@ -236,3 +259,4 @@ const struct iwl_cfg iwl4165_2ac_sdio_cfg = { }; MODULE_FIRMWARE(IWL8000_MODULE_FIRMWARE(IWL8000_UCODE_API_OK)); +MODULE_FIRMWARE(IWL8265_MODULE_FIRMWARE(IWL8265_UCODE_API_OK)); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 7acb49075683..ab4c2a0470b2 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -243,8 +243,10 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first) if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev); - snprintf(drv->firmware_name, sizeof(drv->firmware_name), - "%s%c-%s.ucode", name_pre, rev_step, tag); + if (rev_step != 'A') + snprintf(drv->firmware_name, + sizeof(drv->firmware_name), "%s%c-%s.ucode", + name_pre, rev_step, tag); } IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h index 0036d18334af..ba3f0bbddde8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h @@ -510,6 +510,9 @@ struct iwl_mvm_tx_resp { * @scd_ssn: the index of the last contiguously sent packet * @txed: number of Txed frames in this batch * @txed_2_done: number of Acked frames in this batch + * @reduced_txp: power reduced according to TPC. This is the actual value and + * not a copy from the LQ command. Thus, if not the first rate was used + * for Tx-ing then this value will be set to 0 by FW. */ struct iwl_mvm_ba_notif { __le32 sta_addr_lo32; @@ -524,7 +527,8 @@ struct iwl_mvm_ba_notif { __le16 scd_ssn; u8 txed; u8 txed_2_done; - __le16 reserved1; + u8 reduced_txp; + u8 reserved1; } __packed; /* diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 7bb6fd0e4391..94caa88df442 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2,6 +2,7 @@ * * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -724,14 +725,28 @@ static int _rs_collect_tx_data(struct iwl_mvm *mvm, return 0; } -static int rs_collect_tx_data(struct iwl_mvm *mvm, - struct iwl_lq_sta *lq_sta, - struct iwl_scale_tbl_info *tbl, - int scale_index, int attempts, int successes, - u8 reduced_txp) +static int rs_collect_tpc_data(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + int scale_index, int attempts, int successes, + u8 reduced_txp) +{ + struct iwl_rate_scale_data *window = NULL; + + if (WARN_ON_ONCE(reduced_txp > TPC_MAX_REDUCTION)) + return -EINVAL; + + window = &tbl->tpc_win[reduced_txp]; + return _rs_collect_tx_data(mvm, tbl, scale_index, attempts, successes, + window); +} + +static int rs_collect_tlc_data(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + int scale_index, int attempts, int successes) { struct iwl_rate_scale_data *window = NULL; - int ret; if (scale_index < 0 || scale_index >= IWL_RATE_COUNT) return -EINVAL; @@ -745,16 +760,6 @@ static int rs_collect_tx_data(struct iwl_mvm *mvm, /* Select window for current tx bit rate */ window = &(tbl->win[scale_index]); - - ret = _rs_collect_tx_data(mvm, tbl, scale_index, attempts, successes, - window); - if (ret) - return ret; - - if (WARN_ON_ONCE(reduced_txp > TPC_MAX_REDUCTION)) - return -EINVAL; - - window = &tbl->tpc_win[reduced_txp]; return _rs_collect_tx_data(mvm, tbl, scale_index, attempts, successes, window); } @@ -1301,17 +1306,30 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, * first index into rate scale table. */ if (info->flags & IEEE80211_TX_STAT_AMPDU) { - /* ampdu_ack_len = 0 marks no BA was received. In this case - * treat it as a single frame loss as we don't want the success - * ratio to dip too quickly because a BA wasn't received + rs_collect_tpc_data(mvm, lq_sta, curr_tbl, lq_rate.index, + info->status.ampdu_len, + info->status.ampdu_ack_len, + reduced_txp); + + /* ampdu_ack_len = 0 marks no BA was received. For TLC, treat + * it as a single frame loss as we don't want the success ratio + * to dip too quickly because a BA wasn't received. + * For TPC, there's no need for this optimisation since we want + * to recover very quickly from a bad power reduction and, + * therefore we'd like the success ratio to get an immediate hit + * when failing to get a BA, so we'd switch back to a lower or + * zero power reduction. When FW transmits agg with a rate + * different from the initial rate, it will not use reduced txp + * and will send BA notification twice (one empty with reduced + * txp equal to the value from LQ and one with reduced txp 0). + * We need to update counters for each txp level accordingly. */ if (info->status.ampdu_ack_len == 0) info->status.ampdu_len = 1; - rs_collect_tx_data(mvm, lq_sta, curr_tbl, lq_rate.index, - info->status.ampdu_len, - info->status.ampdu_ack_len, - reduced_txp); + rs_collect_tlc_data(mvm, lq_sta, curr_tbl, lq_rate.index, + info->status.ampdu_len, + info->status.ampdu_ack_len); /* Update success/fail counts if not searching for new mode */ if (lq_sta->rs_state == RS_STATE_STAY_IN_COLUMN) { @@ -1344,9 +1362,13 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, else continue; - rs_collect_tx_data(mvm, lq_sta, tmp_tbl, lq_rate.index, - 1, i < retries ? 0 : legacy_success, - reduced_txp); + rs_collect_tpc_data(mvm, lq_sta, tmp_tbl, + lq_rate.index, 1, + i < retries ? 0 : legacy_success, + reduced_txp); + rs_collect_tlc_data(mvm, lq_sta, tmp_tbl, + lq_rate.index, 1, + i < retries ? 0 : legacy_success); } /* Update success/fail counts if not searching for new mode */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 9a15642f80dd..ea1e177c2ea1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -1298,6 +1298,10 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, return -EBUSY; } + /* we don't support "match all" in the firmware */ + if (!req->n_match_sets) + return -EOPNOTSUPP; + ret = iwl_mvm_check_running_scans(mvm, type); if (ret) return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 8bf48a7d0f4e..0914ec2fd574 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1029,7 +1029,6 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); mvmsta->tid_data[tid].rate_n_flags = le32_to_cpu(tx_resp->initial_rate); - mvmsta->tid_data[tid].reduced_tpc = tx_resp->reduced_tpc; mvmsta->tid_data[tid].tx_time = le16_to_cpu(tx_resp->wireless_media_time); } @@ -1060,7 +1059,7 @@ static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info, /* TODO: not accounted if the whole A-MPDU failed */ info->status.tx_time = tid_data->tx_time; info->status.status_driver_data[0] = - (void *)(uintptr_t)tid_data->reduced_tpc; + (void *)(uintptr_t)ba_notif->reduced_txp; info->status.status_driver_data[1] = (void *)(uintptr_t)tid_data->rate_n_flags; } @@ -1133,6 +1132,8 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) scd_flow, ba_resp_scd_ssn, ba_notif->txed, ba_notif->txed_2_done); + IWL_DEBUG_TX_REPLY(mvm, "reduced txp from ba notif %d\n", + ba_notif->reduced_txp); tid_data->next_reclaimed = ba_resp_scd_ssn; iwl_mvm_check_ratid_empty(mvm, sta, tid); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 6261a68cae90..00335ea6b3eb 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -378,7 +378,10 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x3165, 0x8110, iwl3165_2ac_cfg)}, /* 3168 Series */ + {IWL_PCI_DEVICE(0x24FB, 0x2010, iwl3168_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FB, 0x2110, iwl3168_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FB, 0x2050, iwl3168_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FB, 0x2150, iwl3168_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FB, 0x0000, iwl3168_2ac_cfg)}, /* 7265 Series */ @@ -475,6 +478,7 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F3, 0x0000, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0010, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x8010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)}, /* 9000 Series */ {IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)}, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index cc3888e2700d..73c95594eabe 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -490,6 +490,15 @@ static inline void iwl_enable_interrupts(struct iwl_trans *trans) iwl_write32(trans, CSR_INT_MASK, trans_pcie->inta_mask); } +static inline void iwl_enable_fw_load_int(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + IWL_DEBUG_ISR(trans, "Enabling FW load interrupt\n"); + trans_pcie->inta_mask = CSR_INT_BIT_FH_TX; + iwl_write32(trans, CSR_INT_MASK, trans_pcie->inta_mask); +} + static inline void iwl_enable_rfkill_int(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index ccafbd8cf4b3..152cf9ad9566 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -1438,9 +1438,11 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id) inta & ~trans_pcie->inta_mask); } - /* Re-enable all interrupts */ - /* only Re-enable if disabled by irq */ - if (test_bit(STATUS_INT_ENABLED, &trans->status)) + /* we are loading the firmware, enable FH_TX interrupt only */ + if (handled & CSR_INT_BIT_FH_TX) + iwl_enable_fw_load_int(trans); + /* only Re-enable all interrupt if disabled by irq */ + else if (test_bit(STATUS_INT_ENABLED, &trans->status)) iwl_enable_interrupts(trans); /* Re-enable RF_KILL if it occurred */ else if (handled & CSR_INT_BIT_RF_KILL) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index d60a467a983c..5a854c609477 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1021,82 +1021,6 @@ static int iwl_pcie_load_given_ucode_8000(struct iwl_trans *trans, &first_ucode_section); } -static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, - const struct fw_img *fw, bool run_in_rfkill) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - bool hw_rfkill; - int ret; - - mutex_lock(&trans_pcie->mutex); - - /* Someone called stop_device, don't try to start_fw */ - if (trans_pcie->is_down) { - IWL_WARN(trans, - "Can't start_fw since the HW hasn't been started\n"); - ret = EIO; - goto out; - } - - /* This may fail if AMT took ownership of the device */ - if (iwl_pcie_prepare_card_hw(trans)) { - IWL_WARN(trans, "Exit HW not ready\n"); - ret = -EIO; - goto out; - } - - iwl_enable_rfkill_int(trans); - - /* If platform's RF_KILL switch is NOT set to KILL */ - hw_rfkill = iwl_is_rfkill_set(trans); - if (hw_rfkill) - set_bit(STATUS_RFKILL, &trans->status); - else - clear_bit(STATUS_RFKILL, &trans->status); - iwl_trans_pcie_rf_kill(trans, hw_rfkill); - if (hw_rfkill && !run_in_rfkill) { - ret = -ERFKILL; - goto out; - } - - iwl_write32(trans, CSR_INT, 0xFFFFFFFF); - - ret = iwl_pcie_nic_init(trans); - if (ret) { - IWL_ERR(trans, "Unable to init nic\n"); - goto out; - } - - /* make sure rfkill handshake bits are cleared */ - iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, - CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - - /* clear (again), then enable host interrupts */ - iwl_write32(trans, CSR_INT, 0xFFFFFFFF); - iwl_enable_interrupts(trans); - - /* really make sure rfkill handshake bits are cleared */ - iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - - /* Load the given image to the HW */ - if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) - ret = iwl_pcie_load_given_ucode_8000(trans, fw); - else - ret = iwl_pcie_load_given_ucode(trans, fw); - -out: - mutex_unlock(&trans_pcie->mutex); - return ret; -} - -static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans, u32 scd_addr) -{ - iwl_pcie_reset_ict(trans); - iwl_pcie_tx_start(trans, scd_addr); -} - static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -1127,7 +1051,8 @@ static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) * already dead. */ if (test_and_clear_bit(STATUS_DEVICE_ENABLED, &trans->status)) { - IWL_DEBUG_INFO(trans, "DEVICE_ENABLED bit was set and is now cleared\n"); + IWL_DEBUG_INFO(trans, + "DEVICE_ENABLED bit was set and is now cleared\n"); iwl_pcie_tx_stop(trans); iwl_pcie_rx_stop(trans); @@ -1161,7 +1086,6 @@ static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) iwl_disable_interrupts(trans); spin_unlock(&trans_pcie->irq_lock); - /* clear all status bits */ clear_bit(STATUS_SYNC_HCMD_ACTIVE, &trans->status); clear_bit(STATUS_INT_ENABLED, &trans->status); @@ -1194,10 +1118,116 @@ static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) if (hw_rfkill != was_hw_rfkill) iwl_trans_pcie_rf_kill(trans, hw_rfkill); - /* re-take ownership to prevent other users from stealing the deivce */ + /* re-take ownership to prevent other users from stealing the device */ iwl_pcie_prepare_card_hw(trans); } +static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, + const struct fw_img *fw, bool run_in_rfkill) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + bool hw_rfkill; + int ret; + + /* This may fail if AMT took ownership of the device */ + if (iwl_pcie_prepare_card_hw(trans)) { + IWL_WARN(trans, "Exit HW not ready\n"); + ret = -EIO; + goto out; + } + + iwl_enable_rfkill_int(trans); + + iwl_write32(trans, CSR_INT, 0xFFFFFFFF); + + /* + * We enabled the RF-Kill interrupt and the handler may very + * well be running. Disable the interrupts to make sure no other + * interrupt can be fired. + */ + iwl_disable_interrupts(trans); + + /* Make sure it finished running */ + synchronize_irq(trans_pcie->pci_dev->irq); + + mutex_lock(&trans_pcie->mutex); + + /* If platform's RF_KILL switch is NOT set to KILL */ + hw_rfkill = iwl_is_rfkill_set(trans); + if (hw_rfkill) + set_bit(STATUS_RFKILL, &trans->status); + else + clear_bit(STATUS_RFKILL, &trans->status); + iwl_trans_pcie_rf_kill(trans, hw_rfkill); + if (hw_rfkill && !run_in_rfkill) { + ret = -ERFKILL; + goto out; + } + + /* Someone called stop_device, don't try to start_fw */ + if (trans_pcie->is_down) { + IWL_WARN(trans, + "Can't start_fw since the HW hasn't been started\n"); + ret = -EIO; + goto out; + } + + /* make sure rfkill handshake bits are cleared */ + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, + CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); + + /* clear (again), then enable host interrupts */ + iwl_write32(trans, CSR_INT, 0xFFFFFFFF); + + ret = iwl_pcie_nic_init(trans); + if (ret) { + IWL_ERR(trans, "Unable to init nic\n"); + goto out; + } + + /* + * Now, we load the firmware and don't want to be interrupted, even + * by the RF-Kill interrupt (hence mask all the interrupt besides the + * FH_TX interrupt which is needed to load the firmware). If the + * RF-Kill switch is toggled, we will find out after having loaded + * the firmware and return the proper value to the caller. + */ + iwl_enable_fw_load_int(trans); + + /* really make sure rfkill handshake bits are cleared */ + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + + /* Load the given image to the HW */ + if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) + ret = iwl_pcie_load_given_ucode_8000(trans, fw); + else + ret = iwl_pcie_load_given_ucode(trans, fw); + iwl_enable_interrupts(trans); + + /* re-check RF-Kill state since we may have missed the interrupt */ + hw_rfkill = iwl_is_rfkill_set(trans); + if (hw_rfkill) + set_bit(STATUS_RFKILL, &trans->status); + else + clear_bit(STATUS_RFKILL, &trans->status); + + iwl_trans_pcie_rf_kill(trans, hw_rfkill); + if (hw_rfkill && !run_in_rfkill) + ret = -ERFKILL; + +out: + mutex_unlock(&trans_pcie->mutex); + return ret; +} + +static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans, u32 scd_addr) +{ + iwl_pcie_reset_ict(trans); + iwl_pcie_tx_start(trans, scd_addr); +} + static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index c32889a1e39c..a28414c50edf 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -991,7 +991,8 @@ static void mac80211_hwsim_tx_frame_nl(struct ieee80211_hw *hw, goto nla_put_failure; } - if (nla_put(skb, HWSIM_ATTR_ADDR_TRANSMITTER, ETH_ALEN, hdr->addr2)) + if (nla_put(skb, HWSIM_ATTR_ADDR_TRANSMITTER, + ETH_ALEN, data->addresses[1].addr)) goto nla_put_failure; /* We get the skb->data */ @@ -2736,7 +2737,7 @@ static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(const u8 *addr) spin_lock_bh(&hwsim_radio_lock); list_for_each_entry(data, &hwsim_radios, list) { - if (mac80211_hwsim_addr_match(data, addr)) { + if (memcmp(data->addresses[1].addr, addr, ETH_ALEN) == 0) { _found = true; break; } diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c index 9a3966cd6fbe..155f343981fe 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c @@ -273,8 +273,10 @@ static void rt2400pci_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RXCSR0_DROP_CONTROL, !(filter_flags & FIF_CONTROL)); - rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RXCSR0_DROP_TODS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, RXCSR0_DROP_VERSION_ERROR, 1); rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg); diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c index 1a6740b4d396..2553cdd74066 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c @@ -274,8 +274,10 @@ static void rt2500pci_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RXCSR0_DROP_CONTROL, !(filter_flags & FIF_CONTROL)); - rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, RXCSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RXCSR0_DROP_TODS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, RXCSR0_DROP_VERSION_ERROR, 1); rt2x00_set_field32(®, RXCSR0_DROP_MCAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c index d26018f30b7d..2d64611de300 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c @@ -437,8 +437,10 @@ static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, !(filter_flags & FIF_CONTROL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, 1); + rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index 9733b31a780d..a26afcab03ed 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -1490,7 +1490,8 @@ void rt2800_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_FCSFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR, !(filter_flags & FIF_PLCPFAIL)); - rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h index 3282ddb766f4..26427140a963 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h @@ -669,6 +669,7 @@ enum rt2x00_state_flags { CONFIG_POWERSAVING, CONFIG_HT_DISABLED, CONFIG_QOS_DISABLED, + CONFIG_MONITORING, /* * Mark we currently are sequentially reading TX_STA_FIFO register diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00config.c b/drivers/net/wireless/ralink/rt2x00/rt2x00config.c index 7e8bb1198ae9..6a1f508d472f 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00config.c @@ -277,6 +277,11 @@ void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, else clear_bit(CONFIG_POWERSAVING, &rt2x00dev->flags); + if (conf->flags & IEEE80211_CONF_MONITOR) + set_bit(CONFIG_MONITORING, &rt2x00dev->flags); + else + clear_bit(CONFIG_MONITORING, &rt2x00dev->flags); + rt2x00dev->curr_band = conf->chandef.chan->band; rt2x00dev->curr_freq = conf->chandef.chan->center_freq; rt2x00dev->tx_power = conf->power_level; diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c index 3c26ee65a415..13da95a24cf7 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c @@ -385,11 +385,6 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw, *total_flags |= FIF_PSPOLL; } - /* - * Check if there is any work left for us. - */ - if (rt2x00dev->packet_filter == *total_flags) - return; rt2x00dev->packet_filter = *total_flags; rt2x00dev->ops->lib->config_filter(rt2x00dev, *total_flags); diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c index c0e730ea1b69..24a3436ef952 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c +++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c @@ -530,8 +530,10 @@ static void rt61pci_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, !(filter_flags & (FIF_CONTROL | FIF_PSPOLL))); - rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c index 7081e13b4fd6..7bbc86931168 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c @@ -480,8 +480,10 @@ static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, !(filter_flags & (FIF_CONTROL | FIF_PSPOLL))); - rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, 1); + rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, + !test_bit(CONFIG_MONITORING, &rt2x00dev->flags) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, diff --git a/drivers/net/wireless/realtek/rtlwifi/rc.c b/drivers/net/wireless/realtek/rtlwifi/rc.c index 74c14ce28238..28f7010e7108 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rc.c +++ b/drivers/net/wireless/realtek/rtlwifi/rc.c @@ -138,6 +138,11 @@ static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, ((wireless_mode == WIRELESS_MODE_N_5G) || (wireless_mode == WIRELESS_MODE_N_24G))) rate->flags |= IEEE80211_TX_RC_MCS; + if (sta && sta->vht_cap.vht_supported && + (wireless_mode == WIRELESS_MODE_AC_5G || + wireless_mode == WIRELESS_MODE_AC_24G || + wireless_mode == WIRELESS_MODE_AC_ONLY)) + rate->flags |= IEEE80211_TX_RC_VHT_MCS; } } diff --git a/drivers/net/wireless/realtek/rtlwifi/regd.c b/drivers/net/wireless/realtek/rtlwifi/regd.c index a62bf0a65c32..5be34118e0af 100644 --- a/drivers/net/wireless/realtek/rtlwifi/regd.c +++ b/drivers/net/wireless/realtek/rtlwifi/regd.c @@ -351,7 +351,6 @@ static const struct ieee80211_regdomain *_rtl_regdomain_select( case COUNTRY_CODE_SPAIN: case COUNTRY_CODE_FRANCE: case COUNTRY_CODE_ISRAEL: - case COUNTRY_CODE_WORLD_WIDE_13: return &rtl_regdom_12_13; case COUNTRY_CODE_MKK: case COUNTRY_CODE_MKK1: @@ -360,6 +359,7 @@ static const struct ieee80211_regdomain *_rtl_regdomain_select( return &rtl_regdom_14_60_64; case COUNTRY_CODE_GLOBAL_DOMAIN: return &rtl_regdom_14; + case COUNTRY_CODE_WORLD_WIDE_13: case COUNTRY_CODE_WORLD_WIDE_13_5G_ALL: return &rtl_regdom_12_13_5g_all; default: diff --git a/drivers/net/wireless/ti/wlcore/io.c b/drivers/net/wireless/ti/wlcore/io.c index 9ac118e727e9..564ca750c5ee 100644 --- a/drivers/net/wireless/ti/wlcore/io.c +++ b/drivers/net/wireless/ti/wlcore/io.c @@ -175,14 +175,14 @@ int wlcore_set_partition(struct wl1271 *wl, if (ret < 0) goto out; + /* We don't need the size of the last partition, as it is + * automatically calculated based on the total memory size and + * the sizes of the previous partitions. + */ ret = wlcore_raw_write32(wl, HW_PART3_START_ADDR, p->mem3.start); if (ret < 0) goto out; - ret = wlcore_raw_write32(wl, HW_PART3_SIZE_ADDR, p->mem3.size); - if (ret < 0) - goto out; - out: return ret; } diff --git a/drivers/net/wireless/ti/wlcore/io.h b/drivers/net/wireless/ti/wlcore/io.h index 6c257b54f415..10cf3747694d 100644 --- a/drivers/net/wireless/ti/wlcore/io.h +++ b/drivers/net/wireless/ti/wlcore/io.h @@ -36,8 +36,8 @@ #define HW_PART1_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 12) #define HW_PART2_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 16) #define HW_PART2_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 20) -#define HW_PART3_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 24) -#define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 28) +#define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 24) + #define HW_ACCESS_REGISTER_SIZE 4 #define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index d6abf191122a..96ccd4e943db 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -364,6 +364,7 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) RING_IDX cons, prod; unsigned short id; struct sk_buff *skb; + bool more_to_do; BUG_ON(!netif_carrier_ok(queue->info->netdev)); @@ -398,18 +399,8 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) queue->tx.rsp_cons = prod; - /* - * Set a new event, then check for race with update of tx_cons. - * Note that it is essential to schedule a callback, no matter - * how few buffers are pending. Even if there is space in the - * transmit ring, higher layers may be blocked because too much - * data is outstanding: in such cases notification from Xen is - * likely to be the only kick that we'll get. - */ - queue->tx.sring->rsp_event = - prod + ((queue->tx.sring->req_prod - prod) >> 1) + 1; - mb(); /* update shared area */ - } while ((cons == prod) && (prod != queue->tx.sring->rsp_prod)); + RING_FINAL_CHECK_FOR_RESPONSES(&queue->tx, more_to_do); + } while (more_to_do); xennet_maybe_wake_tx(queue); } diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 7e2c43f701bc..5d28e9405f32 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -382,18 +382,18 @@ static const struct nd_cmd_desc __nd_cmd_bus_descs[] = { [ND_CMD_ARS_CAP] = { .in_num = 2, .in_sizes = { 8, 8, }, - .out_num = 2, - .out_sizes = { 4, 4, }, + .out_num = 4, + .out_sizes = { 4, 4, 4, 4, }, }, [ND_CMD_ARS_START] = { - .in_num = 4, - .in_sizes = { 8, 8, 2, 6, }, - .out_num = 1, - .out_sizes = { 4, }, + .in_num = 5, + .in_sizes = { 8, 8, 2, 1, 5, }, + .out_num = 2, + .out_sizes = { 4, 4, }, }, [ND_CMD_ARS_STATUS] = { - .out_num = 2, - .out_sizes = { 4, UINT_MAX, }, + .out_num = 3, + .out_sizes = { 4, 4, UINT_MAX, }, }, }; @@ -442,8 +442,8 @@ u32 nd_cmd_out_size(struct nvdimm *nvdimm, int cmd, return in_field[1]; else if (nvdimm && cmd == ND_CMD_VENDOR && idx == 2) return out_field[1]; - else if (!nvdimm && cmd == ND_CMD_ARS_STATUS && idx == 1) - return ND_CMD_ARS_STATUS_MAX; + else if (!nvdimm && cmd == ND_CMD_ARS_STATUS && idx == 2) + return out_field[1] - 8; return UINT_MAX; } diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 8ebfcaae3f5a..9edf7eb7d17c 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -1277,10 +1277,12 @@ static ssize_t mode_show(struct device *dev, device_lock(dev); claim = ndns->claim; - if (pmem_should_map_pages(dev) || (claim && is_nd_pfn(claim))) - mode = "memory"; - else if (claim && is_nd_btt(claim)) + if (claim && is_nd_btt(claim)) mode = "safe"; + else if (claim && is_nd_pfn(claim)) + mode = "memory"; + else if (!claim && pmem_should_map_pages(dev)) + mode = "memory"; else mode = "raw"; rc = sprintf(buf, "%s\n", mode); diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index 0cc9048b86e2..ae81a2f1da50 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -301,10 +301,8 @@ int nd_pfn_validate(struct nd_pfn *nd_pfn) switch (le32_to_cpu(pfn_sb->mode)) { case PFN_MODE_RAM: - break; case PFN_MODE_PMEM: - /* TODO: allocate from PMEM support */ - return -ENOTTY; + break; default: return -ENXIO; } diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 7edf31671dab..8d0b54670184 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -41,7 +41,7 @@ struct pmem_device { phys_addr_t phys_addr; /* when non-zero this device is hosting a 'pfn' instance */ phys_addr_t data_offset; - unsigned long pfn_flags; + u64 pfn_flags; void __pmem *virt_addr; size_t size; struct badblocks bb; diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig index 5d6237391dcd..b586d84f2518 100644 --- a/drivers/nvme/host/Kconfig +++ b/drivers/nvme/host/Kconfig @@ -17,5 +17,6 @@ config BLK_DEV_NVME_SCSI and block devices nodes, as well a a translation for a small number of selected SCSI commands to NVMe commands to the NVMe driver. If you don't know what this means you probably want - to say N here, and if you know what it means you probably - want to say N as well. + to say N here, unless you run a distro that abuses the SCSI + emulation to provide stable device names for mount by id, like + some OpenSuSE and SLES versions. diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index c5bf001af559..3cd921e6121e 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1121,7 +1121,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) ns->queue = blk_mq_init_queue(ctrl->tagset); if (IS_ERR(ns->queue)) goto out_free_ns; - queue_flag_set_unlocked(QUEUE_FLAG_NOMERGES, ns->queue); queue_flag_set_unlocked(QUEUE_FLAG_NONROT, ns->queue); ns->queue->queuedata = ns; ns->ctrl = ctrl; diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 5cd3725e2fa4..6bb15e4926dc 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -146,9 +146,10 @@ struct nvme_nvm_command { }; }; +#define NVME_NVM_LP_MLC_PAIRS 886 struct nvme_nvm_lp_mlc { __u16 num_pairs; - __u8 pairs[886]; + __u8 pairs[NVME_NVM_LP_MLC_PAIRS]; }; struct nvme_nvm_lp_tbl { @@ -282,9 +283,14 @@ static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id) memcpy(dst->lptbl.id, src->lptbl.id, 8); dst->lptbl.mlc.num_pairs = le16_to_cpu(src->lptbl.mlc.num_pairs); - /* 4 bits per pair */ + + if (dst->lptbl.mlc.num_pairs > NVME_NVM_LP_MLC_PAIRS) { + pr_err("nvm: number of MLC pairs not supported\n"); + return -EINVAL; + } + memcpy(dst->lptbl.mlc.pairs, src->lptbl.mlc.pairs, - dst->lptbl.mlc.num_pairs >> 1); + dst->lptbl.mlc.num_pairs); } } diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 4fb5bb737868..9664d07d807d 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -139,9 +139,9 @@ static inline bool nvme_io_incapable(struct nvme_ctrl *ctrl) u32 val = 0; if (ctrl->ops->io_incapable(ctrl)) - return false; + return true; if (ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &val)) - return false; + return true; return val & NVME_CSTS_CFS; } diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 72ef8322d32a..a128672472ec 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -678,6 +678,11 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx, blk_mq_start_request(req); spin_lock_irq(&nvmeq->q_lock); + if (unlikely(nvmeq->cq_vector < 0)) { + ret = BLK_MQ_RQ_QUEUE_BUSY; + spin_unlock_irq(&nvmeq->q_lock); + goto out; + } __nvme_submit_cmd(nvmeq, &cmnd); nvme_process_cq(nvmeq); spin_unlock_irq(&nvmeq->q_lock); @@ -999,7 +1004,7 @@ static void nvme_cancel_queue_ios(struct request *req, void *data, bool reserved if (!blk_mq_request_started(req)) return; - dev_warn(nvmeq->q_dmadev, + dev_dbg_ratelimited(nvmeq->q_dmadev, "Cancelling I/O %d QID %d\n", req->tag, nvmeq->qid); status = NVME_SC_ABORT_REQ; @@ -2111,16 +2116,12 @@ static void nvme_remove(struct pci_dev *pdev) { struct nvme_dev *dev = pci_get_drvdata(pdev); - spin_lock(&dev_list_lock); - list_del_init(&dev->node); - spin_unlock(&dev_list_lock); - pci_set_drvdata(pdev, NULL); - flush_work(&dev->reset_work); flush_work(&dev->scan_work); nvme_remove_namespaces(&dev->ctrl); nvme_uninit_ctrl(&dev->ctrl); nvme_dev_disable(dev, true); + flush_work(&dev->reset_work); nvme_dev_remove_admin(dev); nvme_free_queues(dev, 0); nvme_release_cmb(dev); diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 6fd4e5a5ef4a..9d11d9837312 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -70,6 +70,9 @@ static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj, if (pos >= nvmem->size) return 0; + if (count < nvmem->word_size) + return -EINVAL; + if (pos + count > nvmem->size) count = nvmem->size - pos; @@ -95,6 +98,9 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj, if (pos >= nvmem->size) return 0; + if (count < nvmem->word_size) + return -EINVAL; + if (pos + count > nvmem->size) count = nvmem->size - pos; diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c index afb67e7eeee4..3829e5fbf8c3 100644 --- a/drivers/nvmem/qfprom.c +++ b/drivers/nvmem/qfprom.c @@ -21,6 +21,7 @@ static struct regmap_config qfprom_regmap_config = { .reg_bits = 32, .val_bits = 8, .reg_stride = 1, + .val_format_endian = REGMAP_ENDIAN_LITTLE, }; static struct nvmem_config econfig = { diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 7ee21ae305ae..e7bfc175b8e1 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -635,6 +635,13 @@ static u32 __of_msi_map_rid(struct device *dev, struct device_node **np, msi_base = be32_to_cpup(msi_map + 2); rid_len = be32_to_cpup(msi_map + 3); + if (rid_base & ~map_mask) { + dev_err(parent_dev, + "Invalid msi-map translation - msi-map-mask (0x%x) ignores rid-base (0x%x)\n", + map_mask, rid_base); + return rid_out; + } + msi_controller_node = of_find_node_by_phandle(phandle); matched = (masked_rid >= rid_base && @@ -654,7 +661,7 @@ static u32 __of_msi_map_rid(struct device *dev, struct device_node **np, if (!matched) return rid_out; - rid_out = masked_rid + msi_base; + rid_out = masked_rid - rid_base + msi_base; dev_dbg(dev, "msi-map at: %s, using mask %08x, rid-base: %08x, msi-base: %08x, length: %08x, rid: %08x -> %08x\n", dev_name(parent_dev), map_mask, rid_base, msi_base, diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 86829f8064a6..39c4be41ef83 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -143,11 +143,32 @@ int of_mdio_parse_addr(struct device *dev, const struct device_node *np) } EXPORT_SYMBOL(of_mdio_parse_addr); +/* The following is a list of PHY compatible strings which appear in + * some DTBs. The compatible string is never matched against a PHY + * driver, so is pointless. We only expect devices which are not PHYs + * to have a compatible string, so they can be matched to an MDIO + * driver. Encourage users to upgrade their DT blobs to remove these. + */ +static const struct of_device_id whitelist_phys[] = { + { .compatible = "brcm,40nm-ephy" }, + { .compatible = "marvell,88E1111", }, + { .compatible = "marvell,88e1116", }, + { .compatible = "marvell,88e1118", }, + { .compatible = "marvell,88e1145", }, + { .compatible = "marvell,88e1149r", }, + { .compatible = "marvell,88e1310", }, + { .compatible = "marvell,88E1510", }, + { .compatible = "marvell,88E1514", }, + { .compatible = "moxa,moxart-rtl8201cp", }, + {} +}; + /* * Return true if the child node is for a phy. It must either: * o Compatible string of "ethernet-phy-idX.X" * o Compatible string of "ethernet-phy-ieee802.3-c45" * o Compatible string of "ethernet-phy-ieee802.3-c22" + * o In the white list above (and issue a warning) * o No compatibility string * * A device which is not a phy is expected to have a compatible string @@ -166,6 +187,13 @@ static bool of_mdiobus_child_is_phy(struct device_node *child) if (of_device_is_compatible(child, "ethernet-phy-ieee802.3-c22")) return true; + if (of_match_node(whitelist_phys, child)) { + pr_warn(FW_WARN + "%s: Whitelisted compatible string. Please remove\n", + child->full_name); + return true; + } + if (!of_find_property(child, "compatible", NULL)) return true; @@ -256,11 +284,19 @@ static int of_phy_match(struct device *dev, void *phy_np) struct phy_device *of_phy_find_device(struct device_node *phy_np) { struct device *d; + struct mdio_device *mdiodev; + if (!phy_np) return NULL; d = bus_find_device(&mdio_bus_type, NULL, phy_np, of_phy_match); - return d ? to_phy_device(d) : NULL; + if (d) { + mdiodev = to_mdio_device(d); + if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY) + return to_phy_device(d); + } + + return NULL; } EXPORT_SYMBOL(of_phy_find_device); diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig index 75a605426538..d1cdd9c992ac 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig @@ -14,6 +14,7 @@ config PCI_DRA7XX config PCI_MVEBU bool "Marvell EBU PCIe controller" depends on ARCH_MVEBU || ARCH_DOVE + depends on ARM depends on OF config PCIE_DW diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c index ed34c9520a02..6153853ca9c3 100644 --- a/drivers/pci/host/pci-keystone-dw.c +++ b/drivers/pci/host/pci-keystone-dw.c @@ -58,11 +58,6 @@ #define to_keystone_pcie(x) container_of(x, struct keystone_pcie, pp) -static inline struct pcie_port *sys_to_pcie(struct pci_sys_data *sys) -{ - return sys->private_data; -} - static inline void update_reg_offset_bit_pos(u32 offset, u32 *reg_offset, u32 *bit_pos) { @@ -108,7 +103,7 @@ static void ks_dw_pcie_msi_irq_ack(struct irq_data *d) struct pcie_port *pp; msi = irq_data_get_msi_desc(d); - pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); + pp = (struct pcie_port *) msi_desc_to_pci_sysdata(msi); ks_pcie = to_keystone_pcie(pp); offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); update_reg_offset_bit_pos(offset, ®_offset, &bit_pos); @@ -146,7 +141,7 @@ static void ks_dw_pcie_msi_irq_mask(struct irq_data *d) u32 offset; msi = irq_data_get_msi_desc(d); - pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); + pp = (struct pcie_port *) msi_desc_to_pci_sysdata(msi); ks_pcie = to_keystone_pcie(pp); offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); @@ -167,7 +162,7 @@ static void ks_dw_pcie_msi_irq_unmask(struct irq_data *d) u32 offset; msi = irq_data_get_msi_desc(d); - pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); + pp = (struct pcie_port *) msi_desc_to_pci_sysdata(msi); ks_pcie = to_keystone_pcie(pp); offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c index 3923bed93c7e..f39961bcf7aa 100644 --- a/drivers/pci/host/pci-layerscape.c +++ b/drivers/pci/host/pci-layerscape.c @@ -77,6 +77,16 @@ static void ls_pcie_fix_class(struct ls_pcie *pcie) iowrite16(PCI_CLASS_BRIDGE_PCI, pcie->dbi + PCI_CLASS_DEVICE); } +/* Drop MSG TLP except for Vendor MSG */ +static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie) +{ + u32 val; + + val = ioread32(pcie->dbi + PCIE_STRFMR1); + val &= 0xDFFFFFFF; + iowrite32(val, pcie->dbi + PCIE_STRFMR1); +} + static int ls1021_pcie_link_up(struct pcie_port *pp) { u32 state; @@ -97,7 +107,7 @@ static int ls1021_pcie_link_up(struct pcie_port *pp) static void ls1021_pcie_host_init(struct pcie_port *pp) { struct ls_pcie *pcie = to_ls_pcie(pp); - u32 val, index[2]; + u32 index[2]; pcie->scfg = syscon_regmap_lookup_by_phandle(pp->dev->of_node, "fsl,pcie-scfg"); @@ -116,13 +126,7 @@ static void ls1021_pcie_host_init(struct pcie_port *pp) dw_pcie_setup_rc(pp); - /* - * LS1021A Workaround for internal TKT228622 - * to fix the INTx hang issue - */ - val = ioread32(pcie->dbi + PCIE_STRFMR1); - val &= 0xffff; - iowrite32(val, pcie->dbi + PCIE_STRFMR1); + ls_pcie_drop_msg_tlp(pcie); } static int ls_pcie_link_up(struct pcie_port *pp) @@ -147,6 +151,7 @@ static void ls_pcie_host_init(struct pcie_port *pp) iowrite32(1, pcie->dbi + PCIE_DBI_RO_WR_EN); ls_pcie_fix_class(pcie); ls_pcie_clear_multifunction(pcie); + ls_pcie_drop_msg_tlp(pcie); iowrite32(0, pcie->dbi + PCIE_DBI_RO_WR_EN); } diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c index 5816bceddb65..a576aeeb22da 100644 --- a/drivers/pci/host/pcie-iproc.c +++ b/drivers/pci/host/pcie-iproc.c @@ -64,7 +64,6 @@ #define OARR_SIZE_CFG BIT(OARR_SIZE_CFG_SHIFT) #define MAX_NUM_OB_WINDOWS 2 -#define MAX_NUM_PAXC_PF 4 #define IPROC_PCIE_REG_INVALID 0xffff @@ -170,20 +169,6 @@ static inline void iproc_pcie_ob_write(struct iproc_pcie *pcie, writel(val, pcie->base + offset + (window * 8)); } -static inline bool iproc_pcie_device_is_valid(struct iproc_pcie *pcie, - unsigned int slot, - unsigned int fn) -{ - if (slot > 0) - return false; - - /* PAXC can only support limited number of functions */ - if (pcie->type == IPROC_PCIE_PAXC && fn >= MAX_NUM_PAXC_PF) - return false; - - return true; -} - /** * Note access to the configuration registers are protected at the higher layer * by 'pci_lock' in drivers/pci/access.c @@ -199,11 +184,11 @@ static void __iomem *iproc_pcie_map_cfg_bus(struct pci_bus *bus, u32 val; u16 offset; - if (!iproc_pcie_device_is_valid(pcie, slot, fn)) - return NULL; - /* root complex access */ if (busno == 0) { + if (slot > 0 || fn > 0) + return NULL; + iproc_pcie_write_reg(pcie, IPROC_PCIE_CFG_IND_ADDR, where & CFG_IND_ADDR_MASK); offset = iproc_pcie_reg_offset(pcie, IPROC_PCIE_CFG_IND_DATA); @@ -213,6 +198,14 @@ static void __iomem *iproc_pcie_map_cfg_bus(struct pci_bus *bus, return (pcie->base + offset); } + /* + * PAXC is connected to an internally emulated EP within the SoC. It + * allows only one device. + */ + if (pcie->type == IPROC_PCIE_PAXC) + if (slot > 0) + return NULL; + /* EP device access */ val = (busno << CFG_ADDR_BUS_NUM_SHIFT) | (slot << CFG_ADDR_DEV_NUM_SHIFT) | diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 0bf82a20a0fb..48d21e0edd56 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -262,7 +262,6 @@ static struct aer_rpc *aer_alloc_rpc(struct pcie_device *dev) rpc->rpd = dev; INIT_WORK(&rpc->dpc_handler, aer_isr); mutex_init(&rpc->rpc_mutex); - init_waitqueue_head(&rpc->wait_release); /* Use PCIe bus function to store rpc into PCIe device */ set_service_data(dev, rpc); @@ -285,8 +284,7 @@ static void aer_remove(struct pcie_device *dev) if (rpc->isr) free_irq(dev->irq, dev); - wait_event(rpc->wait_release, rpc->prod_idx == rpc->cons_idx); - + flush_work(&rpc->dpc_handler); aer_disable_rootport(rpc); kfree(rpc); set_service_data(dev, NULL); diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h index 84420b7c9456..945c939a86c5 100644 --- a/drivers/pci/pcie/aer/aerdrv.h +++ b/drivers/pci/pcie/aer/aerdrv.h @@ -72,7 +72,6 @@ struct aer_rpc { * recovery on the same * root port hierarchy */ - wait_queue_head_t wait_release; }; struct aer_broadcast_data { diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 712392504ed9..521e39c1b66d 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -811,8 +811,6 @@ void aer_isr(struct work_struct *work) while (get_e_source(rpc, &e_src)) aer_isr_one_error(p_device, &e_src); mutex_unlock(&rpc->rpc_mutex); - - wake_up(&rpc->wait_release); } /** diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index c777b97207d5..5f70fee59a94 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -53,7 +53,7 @@ struct pcifront_device { }; struct pcifront_sd { - int domain; + struct pci_sysdata sd; struct pcifront_device *pdev; }; @@ -67,7 +67,9 @@ static inline void pcifront_init_sd(struct pcifront_sd *sd, unsigned int domain, unsigned int bus, struct pcifront_device *pdev) { - sd->domain = domain; + /* Because we do not expose that information via XenBus. */ + sd->sd.node = first_online_node; + sd->sd.domain = domain; sd->pdev = pdev; } @@ -468,8 +470,8 @@ static int pcifront_scan_root(struct pcifront_device *pdev, dev_info(&pdev->xdev->dev, "Creating PCI Frontend Bus %04x:%02x\n", domain, bus); - bus_entry = kmalloc(sizeof(*bus_entry), GFP_KERNEL); - sd = kmalloc(sizeof(*sd), GFP_KERNEL); + bus_entry = kzalloc(sizeof(*bus_entry), GFP_KERNEL); + sd = kzalloc(sizeof(*sd), GFP_KERNEL); if (!bus_entry || !sd) { err = -ENOMEM; goto err_out; diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index e7e117d5dbbe..0124d17bd9fe 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -224,6 +224,7 @@ config PHY_MT65XX_USB3 config PHY_HI6220_USB tristate "hi6220 USB PHY support" + depends on (ARCH_HISI && ARM64) || COMPILE_TEST select GENERIC_PHY select MFD_SYSCON help diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index 8c7f27db6ad3..e7e574dc667a 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -275,20 +275,21 @@ EXPORT_SYMBOL_GPL(phy_exit); int phy_power_on(struct phy *phy) { - int ret; + int ret = 0; if (!phy) - return 0; + goto out; if (phy->pwr) { ret = regulator_enable(phy->pwr); if (ret) - return ret; + goto out; } ret = phy_pm_runtime_get_sync(phy); if (ret < 0 && ret != -ENOTSUPP) - return ret; + goto err_pm_sync; + ret = 0; /* Override possible ret == -ENOTSUPP */ mutex_lock(&phy->mutex); @@ -296,19 +297,20 @@ int phy_power_on(struct phy *phy) ret = phy->ops->power_on(phy); if (ret < 0) { dev_err(&phy->dev, "phy poweron failed --> %d\n", ret); - goto out; + goto err_pwr_on; } } ++phy->power_count; mutex_unlock(&phy->mutex); return 0; -out: +err_pwr_on: mutex_unlock(&phy->mutex); phy_pm_runtime_put_sync(phy); +err_pm_sync: if (phy->pwr) regulator_disable(phy->pwr); - +out: return ret; } EXPORT_SYMBOL_GPL(phy_power_on); diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c index 4a3fc6e59f8e..840f3eae428b 100644 --- a/drivers/phy/phy-twl4030-usb.c +++ b/drivers/phy/phy-twl4030-usb.c @@ -715,6 +715,7 @@ static int twl4030_usb_probe(struct platform_device *pdev) pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_set_autosuspend_delay(&pdev->dev, 2000); pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); /* Our job is to use irqs and status from the power module * to keep the transceiver disabled when nothing's connected. @@ -750,6 +751,7 @@ static int twl4030_usb_remove(struct platform_device *pdev) struct twl4030_usb *twl = platform_get_drvdata(pdev); int val; + usb_remove_phy(&twl->phy); pm_runtime_get_sync(twl->dev); cancel_delayed_work(&twl->id_workaround_work); device_remove_file(twl->dev, &dev_attr_vbus); @@ -757,6 +759,13 @@ static int twl4030_usb_remove(struct platform_device *pdev) /* set transceiver mode to power on defaults */ twl4030_usb_set_mode(twl, -1); + /* idle ulpi before powering off */ + if (cable_present(twl->linkstat)) + pm_runtime_put_noidle(twl->dev); + pm_runtime_mark_last_busy(twl->dev); + pm_runtime_put_sync_suspend(twl->dev); + pm_runtime_disable(twl->dev); + /* autogate 60MHz ULPI clock, * clear dpll clock request for i2c access, * disable 32KHz @@ -771,11 +780,6 @@ static int twl4030_usb_remove(struct platform_device *pdev) /* disable complete OTG block */ twl4030_usb_clear_bits(twl, POWER_CTRL, POWER_CTRL_OTG_ENAB); - if (cable_present(twl->linkstat)) - pm_runtime_put_noidle(twl->dev); - pm_runtime_mark_last_busy(twl->dev); - pm_runtime_put(twl->dev); - return 0; } diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 16d48a4ed225..e96e86d2e745 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -347,6 +347,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev, ret = mtk_pconf_set_pull_select(pctl, pin, true, false, arg); break; case PIN_CONFIG_INPUT_ENABLE: + mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true); ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param); break; case PIN_CONFIG_OUTPUT: @@ -354,6 +355,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev, ret = mtk_pmx_gpio_set_direction(pctldev, NULL, pin, false); break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true); ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param); break; case PIN_CONFIG_DRIVE_STRENGTH: diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c index e4d473811bb3..3ef798fac81b 100644 --- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c +++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c @@ -666,16 +666,19 @@ int mvebu_pinctrl_probe(struct platform_device *pdev) struct mvebu_mpp_ctrl_setting *set = &mode->settings[0]; struct mvebu_pinctrl_group *grp; unsigned num_settings; + unsigned supp_settings; - for (num_settings = 0; ; set++) { + for (num_settings = 0, supp_settings = 0; ; set++) { if (!set->name) break; + num_settings++; + /* skip unsupported settings for this variant */ if (pctl->variant && !(pctl->variant & set->variant)) continue; - num_settings++; + supp_settings++; /* find gpio/gpo/gpi settings */ if (strcmp(set->name, "gpio") == 0) @@ -688,7 +691,7 @@ int mvebu_pinctrl_probe(struct platform_device *pdev) } /* skip modes with no settings for this variant */ - if (!num_settings) + if (!supp_settings) continue; grp = mvebu_pinctrl_find_group_by_pid(pctl, mode->pid); diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c index 085e60106ec2..1f7469c9857d 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.c +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c @@ -191,6 +191,7 @@ static void abx500_gpio_set(struct gpio_chip *chip, unsigned offset, int val) dev_err(pct->dev, "%s write failed (%d)\n", __func__, ret); } +#ifdef CONFIG_DEBUG_FS static int abx500_get_pull_updown(struct abx500_pinctrl *pct, int offset, enum abx500_gpio_pull_updown *pull_updown) { @@ -226,6 +227,7 @@ out: return ret; } +#endif static int abx500_set_pull_updown(struct abx500_pinctrl *pct, int offset, enum abx500_gpio_pull_updown val) @@ -468,6 +470,7 @@ out: return ret; } +#ifdef CONFIG_DEBUG_FS static int abx500_get_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip, unsigned gpio) { @@ -553,8 +556,6 @@ out: return ret; } -#ifdef CONFIG_DEBUG_FS - #include <linux/seq_file.h> static void abx500_gpio_dbg_show_one(struct seq_file *s, diff --git a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c index d90e205cf809..216f227c6009 100644 --- a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c +++ b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c @@ -426,6 +426,7 @@ int pxa2xx_pinctrl_init(struct platform_device *pdev, return 0; } +EXPORT_SYMBOL(pxa2xx_pinctrl_init); int pxa2xx_pinctrl_exit(struct platform_device *pdev) { diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index f67b1e958589..5cc97f85db02 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -514,25 +514,35 @@ static const struct pinconf_ops samsung_pinconf_ops = { .pin_config_group_set = samsung_pinconf_group_set, }; -/* gpiolib gpio_set callback function */ -static void samsung_gpio_set(struct gpio_chip *gc, unsigned offset, int value) +/* + * The samsung_gpio_set_vlaue() should be called with "bank->slock" held + * to avoid race condition. + */ +static void samsung_gpio_set_value(struct gpio_chip *gc, + unsigned offset, int value) { struct samsung_pin_bank *bank = gpiochip_get_data(gc); const struct samsung_pin_bank_type *type = bank->type; - unsigned long flags; void __iomem *reg; u32 data; reg = bank->drvdata->virt_base + bank->pctl_offset; - spin_lock_irqsave(&bank->slock, flags); - data = readl(reg + type->reg_offset[PINCFG_TYPE_DAT]); data &= ~(1 << offset); if (value) data |= 1 << offset; writel(data, reg + type->reg_offset[PINCFG_TYPE_DAT]); +} + +/* gpiolib gpio_set callback function */ +static void samsung_gpio_set(struct gpio_chip *gc, unsigned offset, int value) +{ + struct samsung_pin_bank *bank = gpiochip_get_data(gc); + unsigned long flags; + spin_lock_irqsave(&bank->slock, flags); + samsung_gpio_set_value(gc, offset, value); spin_unlock_irqrestore(&bank->slock, flags); } @@ -553,6 +563,8 @@ static int samsung_gpio_get(struct gpio_chip *gc, unsigned offset) } /* + * The samsung_gpio_set_direction() should be called with "bank->slock" held + * to avoid race condition. * The calls to gpio_direction_output() and gpio_direction_input() * leads to this function call. */ @@ -564,7 +576,6 @@ static int samsung_gpio_set_direction(struct gpio_chip *gc, struct samsung_pinctrl_drv_data *drvdata; void __iomem *reg; u32 data, mask, shift; - unsigned long flags; bank = gpiochip_get_data(gc); type = bank->type; @@ -581,31 +592,42 @@ static int samsung_gpio_set_direction(struct gpio_chip *gc, reg += 4; } - spin_lock_irqsave(&bank->slock, flags); - data = readl(reg); data &= ~(mask << shift); if (!input) data |= FUNC_OUTPUT << shift; writel(data, reg); - spin_unlock_irqrestore(&bank->slock, flags); - return 0; } /* gpiolib gpio_direction_input callback function. */ static int samsung_gpio_direction_input(struct gpio_chip *gc, unsigned offset) { - return samsung_gpio_set_direction(gc, offset, true); + struct samsung_pin_bank *bank = gpiochip_get_data(gc); + unsigned long flags; + int ret; + + spin_lock_irqsave(&bank->slock, flags); + ret = samsung_gpio_set_direction(gc, offset, true); + spin_unlock_irqrestore(&bank->slock, flags); + return ret; } /* gpiolib gpio_direction_output callback function. */ static int samsung_gpio_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - samsung_gpio_set(gc, offset, value); - return samsung_gpio_set_direction(gc, offset, false); + struct samsung_pin_bank *bank = gpiochip_get_data(gc); + unsigned long flags; + int ret; + + spin_lock_irqsave(&bank->slock, flags); + samsung_gpio_set_value(gc, offset, value); + ret = samsung_gpio_set_direction(gc, offset, false); + spin_unlock_irqrestore(&bank->slock, flags); + + return ret; } /* diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c index 77d4cf047cee..11760bbe9d51 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c @@ -492,6 +492,7 @@ static const struct sunxi_pinctrl_desc sun8i_h3_pinctrl_data = { .pins = sun8i_h3_pins, .npins = ARRAY_SIZE(sun8i_h3_pins), .irq_banks = 2, + .irq_read_needs_mux = true }; static int sun8i_h3_pinctrl_probe(struct platform_device *pdev) diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index 20f0ad9bb9f3..e20f23e04c24 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -41,8 +41,7 @@ static const struct key_entry intel_hid_keymap[] = { { KE_KEY, 4, { KEY_HOME } }, { KE_KEY, 5, { KEY_END } }, { KE_KEY, 6, { KEY_PAGEUP } }, - { KE_KEY, 4, { KEY_PAGEDOWN } }, - { KE_KEY, 4, { KEY_HOME } }, + { KE_KEY, 7, { KEY_PAGEDOWN } }, { KE_KEY, 8, { KEY_RFKILL } }, { KE_KEY, 9, { KEY_POWER } }, { KE_KEY, 11, { KEY_SLEEP } }, diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c index 02bc5a6343c3..aa454241489c 100644 --- a/drivers/platform/x86/intel_scu_ipcutil.c +++ b/drivers/platform/x86/intel_scu_ipcutil.c @@ -49,7 +49,7 @@ struct scu_ipc_data { static int scu_reg_access(u32 cmd, struct scu_ipc_data *data) { - int count = data->count; + unsigned int count = data->count; if (count == 0 || count == 3 || count > 4) return -EINVAL; diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index f700723ca5d6..d28e3ab9479c 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -342,6 +342,7 @@ static void quirk_amd_mmconfig_area(struct pnp_dev *dev) /* Device IDs of parts that have 32KB MCH space */ static const unsigned int mch_quirk_devices[] = { 0x0154, /* Ivy Bridge */ + 0x0a04, /* Haswell-ULT */ 0x0c00, /* Haswell */ 0x1604, /* Broadwell */ }; diff --git a/drivers/power/bq27xxx_battery_i2c.c b/drivers/power/bq27xxx_battery_i2c.c index 9429e66be096..8eafc6f0df88 100644 --- a/drivers/power/bq27xxx_battery_i2c.c +++ b/drivers/power/bq27xxx_battery_i2c.c @@ -21,6 +21,9 @@ #include <linux/power/bq27xxx_battery.h> +static DEFINE_IDR(battery_id); +static DEFINE_MUTEX(battery_mutex); + static irqreturn_t bq27xxx_battery_irq_handler_thread(int irq, void *data) { struct bq27xxx_device_info *di = data; @@ -70,19 +73,33 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client, { struct bq27xxx_device_info *di; int ret; + char *name; + int num; + + /* Get new ID for the new battery device */ + mutex_lock(&battery_mutex); + num = idr_alloc(&battery_id, client, 0, 0, GFP_KERNEL); + mutex_unlock(&battery_mutex); + if (num < 0) + return num; + + name = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%d", id->name, num); + if (!name) + goto err_mem; di = devm_kzalloc(&client->dev, sizeof(*di), GFP_KERNEL); if (!di) - return -ENOMEM; + goto err_mem; + di->id = num; di->dev = &client->dev; di->chip = id->driver_data; - di->name = id->name; + di->name = name; di->bus.read = bq27xxx_battery_i2c_read; ret = bq27xxx_battery_setup(di); if (ret) - return ret; + goto err_failed; /* Schedule a polling after about 1 min */ schedule_delayed_work(&di->work, 60 * HZ); @@ -103,6 +120,16 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client, } return 0; + +err_mem: + ret = -ENOMEM; + +err_failed: + mutex_lock(&battery_mutex); + idr_remove(&battery_id, num); + mutex_unlock(&battery_mutex); + + return ret; } static int bq27xxx_battery_i2c_remove(struct i2c_client *client) @@ -111,6 +138,10 @@ static int bq27xxx_battery_i2c_remove(struct i2c_client *client) bq27xxx_battery_teardown(di); + mutex_lock(&battery_mutex); + idr_remove(&battery_id, di->id); + mutex_unlock(&battery_mutex); + return 0; } diff --git a/drivers/ptp/ptp_ixp46x.c b/drivers/ptp/ptp_ixp46x.c index 934c139916c6..ee4f183ef9ee 100644 --- a/drivers/ptp/ptp_ixp46x.c +++ b/drivers/ptp/ptp_ixp46x.c @@ -178,7 +178,6 @@ static int ptp_ixp_adjtime(struct ptp_clock_info *ptp, s64 delta) static int ptp_ixp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) { u64 ns; - u32 remainder; unsigned long flags; struct ixp_clock *ixp_clock = container_of(ptp, struct ixp_clock, caps); struct ixp46x_ts_regs *regs = ixp_clock->regs; @@ -189,8 +188,7 @@ static int ptp_ixp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) spin_unlock_irqrestore(®ister_lock, flags); - ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder); - ts->tv_nsec = remainder; + *ts = ns_to_timespec64(ns); return 0; } @@ -202,8 +200,7 @@ static int ptp_ixp_settime(struct ptp_clock_info *ptp, struct ixp_clock *ixp_clock = container_of(ptp, struct ixp_clock, caps); struct ixp46x_ts_regs *regs = ixp_clock->regs; - ns = ts->tv_sec * 1000000000ULL; - ns += ts->tv_nsec; + ns = timespec64_to_ns(ts); spin_lock_irqsave(®ister_lock, flags); diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 41605dac8309..c78db05e75b1 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3035,6 +3035,7 @@ static void dasd_setup_queue(struct dasd_block *block) max = block->base->discipline->max_blocks << block->s2b_shift; } queue_flag_set_unlocked(QUEUE_FLAG_NONROT, block->request_queue); + block->request_queue->limits.max_dev_sectors = max; blk_queue_logical_block_size(block->request_queue, block->bp_block); blk_queue_max_hw_sectors(block->request_queue, max); diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index 184b1dbeb554..286782c60da4 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -264,8 +264,10 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device) spin_unlock_irqrestore(&lcu->lock, flags); cancel_work_sync(&lcu->suc_data.worker); spin_lock_irqsave(&lcu->lock, flags); - if (device == lcu->suc_data.device) + if (device == lcu->suc_data.device) { + dasd_put_device(device); lcu->suc_data.device = NULL; + } } was_pending = 0; if (device == lcu->ruac_data.device) { @@ -273,8 +275,10 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device) was_pending = 1; cancel_delayed_work_sync(&lcu->ruac_data.dwork); spin_lock_irqsave(&lcu->lock, flags); - if (device == lcu->ruac_data.device) + if (device == lcu->ruac_data.device) { + dasd_put_device(device); lcu->ruac_data.device = NULL; + } } private->lcu = NULL; spin_unlock_irqrestore(&lcu->lock, flags); @@ -549,8 +553,10 @@ static void lcu_update_work(struct work_struct *work) if ((rc && (rc != -EOPNOTSUPP)) || (lcu->flags & NEED_UAC_UPDATE)) { DBF_DEV_EVENT(DBF_WARNING, device, "could not update" " alias data in lcu (rc = %d), retry later", rc); - schedule_delayed_work(&lcu->ruac_data.dwork, 30*HZ); + if (!schedule_delayed_work(&lcu->ruac_data.dwork, 30*HZ)) + dasd_put_device(device); } else { + dasd_put_device(device); lcu->ruac_data.device = NULL; lcu->flags &= ~UPDATE_PENDING; } @@ -593,8 +599,10 @@ static int _schedule_lcu_update(struct alias_lcu *lcu, */ if (!usedev) return -EINVAL; + dasd_get_device(usedev); lcu->ruac_data.device = usedev; - schedule_delayed_work(&lcu->ruac_data.dwork, 0); + if (!schedule_delayed_work(&lcu->ruac_data.dwork, 0)) + dasd_put_device(usedev); return 0; } @@ -723,7 +731,7 @@ static int reset_summary_unit_check(struct alias_lcu *lcu, ASCEBC((char *) &cqr->magic, 4); ccw = cqr->cpaddr; ccw->cmd_code = DASD_ECKD_CCW_RSCK; - ccw->flags = 0 ; + ccw->flags = CCW_FLAG_SLI; ccw->count = 16; ccw->cda = (__u32)(addr_t) cqr->data; ((char *)cqr->data)[0] = reason; @@ -930,6 +938,7 @@ static void summary_unit_check_handling_work(struct work_struct *work) /* 3. read new alias configuration */ _schedule_lcu_update(lcu, device); lcu->suc_data.device = NULL; + dasd_put_device(device); spin_unlock_irqrestore(&lcu->lock, flags); } @@ -989,6 +998,8 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device, } lcu->suc_data.reason = reason; lcu->suc_data.device = device; + dasd_get_device(device); spin_unlock(&lcu->lock); - schedule_work(&lcu->suc_data.worker); + if (!schedule_work(&lcu->suc_data.worker)) + dasd_put_device(device); }; diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 361358134315..93880ed6291c 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -562,7 +562,7 @@ static int mode_select_handle_sense(struct scsi_device *sdev, /* * Command Lock contention */ - err = SCSI_DH_RETRY; + err = SCSI_DH_IMM_RETRY; break; default: break; @@ -612,6 +612,8 @@ retry: err = mode_select_handle_sense(sdev, h->sense); if (err == SCSI_DH_RETRY && retry_cnt--) goto retry; + if (err == SCSI_DH_IMM_RETRY) + goto retry; } if (err == SCSI_DH_OK) { h->state = RDAC_STATE_ACTIVE; diff --git a/drivers/scsi/hisi_sas/Kconfig b/drivers/scsi/hisi_sas/Kconfig index b67661836c9f..d1dd1616f983 100644 --- a/drivers/scsi/hisi_sas/Kconfig +++ b/drivers/scsi/hisi_sas/Kconfig @@ -1,6 +1,6 @@ config SCSI_HISI_SAS tristate "HiSilicon SAS" - depends on HAS_DMA + depends on HAS_DMA && HAS_IOMEM depends on ARM64 || COMPILE_TEST select SCSI_SAS_LIBSAS select BLK_DEV_INTEGRITY diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 057fdeb720ac..eea24d7531cf 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1289,13 +1289,10 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba, goto out; } - if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK) { - if (!(cmplt_hdr_data & CMPLT_HDR_CMD_CMPLT_MSK) || - !(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) - ts->stat = SAS_DATA_OVERRUN; - else - slot_err_v1_hw(hisi_hba, task, slot); + if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK && + !(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) { + slot_err_v1_hw(hisi_hba, task, slot); goto out; } diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 52a87657c7dd..692a7570b5e1 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2204,7 +2204,7 @@ qla2x00_init_rings(scsi_qla_host_t *vha) /* Clear outstanding commands array. */ for (que = 0; que < ha->max_req_queues; que++) { req = ha->req_q_map[que]; - if (!req) + if (!req || !test_bit(que, ha->req_qid_map)) continue; req->out_ptr = (void *)(req->ring + req->length); *req->out_ptr = 0; @@ -2221,7 +2221,7 @@ qla2x00_init_rings(scsi_qla_host_t *vha) for (que = 0; que < ha->max_rsp_queues; que++) { rsp = ha->rsp_q_map[que]; - if (!rsp) + if (!rsp || !test_bit(que, ha->rsp_qid_map)) continue; rsp->in_ptr = (void *)(rsp->ring + rsp->length); *rsp->in_ptr = 0; @@ -4981,7 +4981,7 @@ qla25xx_init_queues(struct qla_hw_data *ha) for (i = 1; i < ha->max_rsp_queues; i++) { rsp = ha->rsp_q_map[i]; - if (rsp) { + if (rsp && test_bit(i, ha->rsp_qid_map)) { rsp->options &= ~BIT_0; ret = qla25xx_init_rsp_que(base_vha, rsp); if (ret != QLA_SUCCESS) @@ -4996,8 +4996,8 @@ qla25xx_init_queues(struct qla_hw_data *ha) } for (i = 1; i < ha->max_req_queues; i++) { req = ha->req_q_map[i]; - if (req) { - /* Clear outstanding commands array. */ + if (req && test_bit(i, ha->req_qid_map)) { + /* Clear outstanding commands array. */ req->options &= ~BIT_0; ret = qla25xx_init_req_que(base_vha, req); if (ret != QLA_SUCCESS) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index d4d65eb0e9b4..4af95479a9db 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3063,9 +3063,9 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) "MSI-X: Failed to enable support " "-- %d/%d\n Retry with %d vectors.\n", ha->msix_count, ret, ret); + ha->msix_count = ret; + ha->max_rsp_queues = ha->msix_count - 1; } - ha->msix_count = ret; - ha->max_rsp_queues = ha->msix_count - 1; ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * ha->msix_count, GFP_KERNEL); if (!ha->msix_entries) { diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index c5dd594f6c31..cf7ba52bae66 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -600,7 +600,7 @@ qla25xx_delete_queues(struct scsi_qla_host *vha) /* Delete request queues */ for (cnt = 1; cnt < ha->max_req_queues; cnt++) { req = ha->req_q_map[cnt]; - if (req) { + if (req && test_bit(cnt, ha->req_qid_map)) { ret = qla25xx_delete_req_que(vha, req); if (ret != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x00ea, @@ -614,7 +614,7 @@ qla25xx_delete_queues(struct scsi_qla_host *vha) /* Delete response queues */ for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { rsp = ha->rsp_q_map[cnt]; - if (rsp) { + if (rsp && test_bit(cnt, ha->rsp_qid_map)) { ret = qla25xx_delete_rsp_que(vha, rsp); if (ret != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x00eb, diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index f1788db43195..f6c7ce35b542 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -409,6 +409,9 @@ static void qla2x00_free_queues(struct qla_hw_data *ha) int cnt; for (cnt = 0; cnt < ha->max_req_queues; cnt++) { + if (!test_bit(cnt, ha->req_qid_map)) + continue; + req = ha->req_q_map[cnt]; qla2x00_free_req_que(ha, req); } @@ -416,6 +419,9 @@ static void qla2x00_free_queues(struct qla_hw_data *ha) ha->req_q_map = NULL; for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) { + if (!test_bit(cnt, ha->rsp_qid_map)) + continue; + rsp = ha->rsp_q_map[cnt]; qla2x00_free_rsp_que(ha, rsp); } diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 8075a4cdb45c..ee967becd257 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -105,7 +105,7 @@ static void qlt_response_pkt(struct scsi_qla_host *ha, response_t *pkt); static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun, int fn, void *iocb, int flags); static void qlt_send_term_exchange(struct scsi_qla_host *ha, struct qla_tgt_cmd - *cmd, struct atio_from_isp *atio, int ha_locked); + *cmd, struct atio_from_isp *atio, int ha_locked, int ul_abort); static void qlt_reject_free_srr_imm(struct scsi_qla_host *ha, struct qla_tgt_srr_imm *imm, int ha_lock); static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, @@ -1756,7 +1756,7 @@ void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *mcmd) qlt_send_notify_ack(vha, &mcmd->orig_iocb.imm_ntfy, 0, 0, 0, 0, 0, 0); else { - if (mcmd->se_cmd.se_tmr_req->function == TMR_ABORT_TASK) + if (mcmd->orig_iocb.atio.u.raw.entry_type == ABTS_RECV_24XX) qlt_24xx_send_abts_resp(vha, &mcmd->orig_iocb.abts, mcmd->fc_tm_rsp, false); else @@ -2665,7 +2665,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, /* no need to terminate. FW already freed exchange. */ qlt_abort_cmd_on_host_reset(cmd->vha, cmd); else - qlt_send_term_exchange(vha, cmd, &cmd->atio, 1); + qlt_send_term_exchange(vha, cmd, &cmd->atio, 1, 0); spin_unlock_irqrestore(&ha->hardware_lock, flags); return 0; } @@ -3173,7 +3173,8 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, } static void qlt_send_term_exchange(struct scsi_qla_host *vha, - struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked) + struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked, + int ul_abort) { unsigned long flags = 0; int rc; @@ -3193,8 +3194,7 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha, qlt_alloc_qfull_cmd(vha, atio, 0, 0); done: - if (cmd && (!cmd->aborted || - !cmd->cmd_sent_to_fw)) { + if (cmd && !ul_abort && !cmd->aborted) { if (cmd->sg_mapped) qlt_unmap_sg(vha, cmd); vha->hw->tgt.tgt_ops->free_cmd(cmd); @@ -3253,21 +3253,38 @@ static void qlt_chk_exch_leak_thresh_hold(struct scsi_qla_host *vha) } -void qlt_abort_cmd(struct qla_tgt_cmd *cmd) +int qlt_abort_cmd(struct qla_tgt_cmd *cmd) { struct qla_tgt *tgt = cmd->tgt; struct scsi_qla_host *vha = tgt->vha; struct se_cmd *se_cmd = &cmd->se_cmd; + unsigned long flags; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014, "qla_target(%d): terminating exchange for aborted cmd=%p " "(se_cmd=%p, tag=%llu)", vha->vp_idx, cmd, &cmd->se_cmd, se_cmd->tag); + spin_lock_irqsave(&cmd->cmd_lock, flags); + if (cmd->aborted) { + spin_unlock_irqrestore(&cmd->cmd_lock, flags); + /* + * It's normal to see 2 calls in this path: + * 1) XFER Rdy completion + CMD_T_ABORT + * 2) TCM TMR - drain_state_list + */ + ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff, + "multiple abort. %p transport_state %x, t_state %x," + " se_cmd_flags %x \n", cmd, cmd->se_cmd.transport_state, + cmd->se_cmd.t_state,cmd->se_cmd.se_cmd_flags); + return EIO; + } cmd->aborted = 1; cmd->cmd_flags |= BIT_6; + spin_unlock_irqrestore(&cmd->cmd_lock, flags); - qlt_send_term_exchange(vha, cmd, &cmd->atio, 0); + qlt_send_term_exchange(vha, cmd, &cmd->atio, 0, 1); + return 0; } EXPORT_SYMBOL(qlt_abort_cmd); @@ -3282,6 +3299,9 @@ void qlt_free_cmd(struct qla_tgt_cmd *cmd) BUG_ON(cmd->cmd_in_wq); + if (cmd->sg_mapped) + qlt_unmap_sg(cmd->vha, cmd); + if (!cmd->q_full) qlt_decr_num_pend_cmds(cmd->vha); @@ -3399,7 +3419,7 @@ static int qlt_term_ctio_exchange(struct scsi_qla_host *vha, void *ctio, term = 1; if (term) - qlt_send_term_exchange(vha, cmd, &cmd->atio, 1); + qlt_send_term_exchange(vha, cmd, &cmd->atio, 1, 0); return term; } @@ -3580,12 +3600,13 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle, case CTIO_PORT_LOGGED_OUT: case CTIO_PORT_UNAVAILABLE: { - int logged_out = (status & 0xFFFF); + int logged_out = + (status & 0xFFFF) == CTIO_PORT_LOGGED_OUT; + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf059, "qla_target(%d): CTIO with %s status %x " "received (state %x, se_cmd %p)\n", vha->vp_idx, - (logged_out == CTIO_PORT_LOGGED_OUT) ? - "PORT LOGGED OUT" : "PORT UNAVAILABLE", + logged_out ? "PORT LOGGED OUT" : "PORT UNAVAILABLE", status, cmd->state, se_cmd); if (logged_out && cmd->sess) { @@ -3754,6 +3775,7 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd) goto out_term; } + spin_lock_init(&cmd->cmd_lock); cdb = &atio->u.isp24.fcp_cmnd.cdb[0]; cmd->se_cmd.tag = atio->u.isp24.exchange_addr; cmd->unpacked_lun = scsilun_to_int( @@ -3796,7 +3818,7 @@ out_term: */ cmd->cmd_flags |= BIT_2; spin_lock_irqsave(&ha->hardware_lock, flags); - qlt_send_term_exchange(vha, NULL, &cmd->atio, 1); + qlt_send_term_exchange(vha, NULL, &cmd->atio, 1, 0); qlt_decr_num_pend_cmds(vha); percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag); @@ -3918,7 +3940,7 @@ static void qlt_create_sess_from_atio(struct work_struct *work) out_term: spin_lock_irqsave(&ha->hardware_lock, flags); - qlt_send_term_exchange(vha, NULL, &op->atio, 1); + qlt_send_term_exchange(vha, NULL, &op->atio, 1, 0); spin_unlock_irqrestore(&ha->hardware_lock, flags); kfree(op); @@ -3982,7 +4004,8 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, cmd->cmd_in_wq = 1; cmd->cmd_flags |= BIT_0; - cmd->se_cmd.cpuid = -1; + cmd->se_cmd.cpuid = ha->msix_count ? + ha->tgt.rspq_vector_cpuid : WORK_CPU_UNBOUND; spin_lock(&vha->cmd_list_lock); list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list); @@ -3990,7 +4013,6 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, INIT_WORK(&cmd->work, qlt_do_work); if (ha->msix_count) { - cmd->se_cmd.cpuid = ha->tgt.rspq_vector_cpuid; if (cmd->atio.u.isp24.fcp_cmnd.rddata) queue_work_on(smp_processor_id(), qla_tgt_wq, &cmd->work); @@ -4771,7 +4793,7 @@ out_reject: dump_stack(); } else { cmd->cmd_flags |= BIT_9; - qlt_send_term_exchange(vha, cmd, &cmd->atio, 1); + qlt_send_term_exchange(vha, cmd, &cmd->atio, 1, 0); } spin_unlock_irqrestore(&ha->hardware_lock, flags); } @@ -4950,7 +4972,7 @@ static void qlt_prepare_srr_imm(struct scsi_qla_host *vha, sctio, sctio->srr_id); list_del(&sctio->srr_list_entry); qlt_send_term_exchange(vha, sctio->cmd, - &sctio->cmd->atio, 1); + &sctio->cmd->atio, 1, 0); kfree(sctio); } } @@ -5123,7 +5145,7 @@ static int __qlt_send_busy(struct scsi_qla_host *vha, atio->u.isp24.fcp_hdr.s_id); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); if (!sess) { - qlt_send_term_exchange(vha, NULL, atio, 1); + qlt_send_term_exchange(vha, NULL, atio, 1, 0); return 0; } /* Sending marker isn't necessary, since we called from ISR */ @@ -5406,7 +5428,7 @@ static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha, #if 1 /* With TERM EXCHANGE some FC cards refuse to boot */ qlt_send_busy(vha, atio, SAM_STAT_BUSY); #else - qlt_send_term_exchange(vha, NULL, atio, 1); + qlt_send_term_exchange(vha, NULL, atio, 1, 0); #endif if (!ha_locked) @@ -5523,7 +5545,7 @@ static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt) #if 1 /* With TERM EXCHANGE some FC cards refuse to boot */ qlt_send_busy(vha, atio, 0); #else - qlt_send_term_exchange(vha, NULL, atio, 1); + qlt_send_term_exchange(vha, NULL, atio, 1, 0); #endif } else { if (tgt->tgt_stop) { @@ -5532,7 +5554,7 @@ static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt) "command to target, sending TERM " "EXCHANGE for rsp\n"); qlt_send_term_exchange(vha, NULL, - atio, 1); + atio, 1, 0); } else { ql_dbg(ql_dbg_tgt, vha, 0xe060, "qla_target(%d): Unable to send " @@ -5960,7 +5982,7 @@ static void qlt_tmr_work(struct qla_tgt *tgt, return; out_term: - qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 0); + qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 1, 0); if (sess) ha->tgt.tgt_ops->put_sess(sess); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 71b2865ba3c8..22a6a767fe07 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -943,6 +943,36 @@ struct qla_tgt_sess { qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX]; }; +typedef enum { + /* + * BIT_0 - Atio Arrival / schedule to work + * BIT_1 - qlt_do_work + * BIT_2 - qlt_do work failed + * BIT_3 - xfer rdy/tcm_qla2xxx_write_pending + * BIT_4 - read respond/tcm_qla2xx_queue_data_in + * BIT_5 - status respond / tcm_qla2xx_queue_status + * BIT_6 - tcm request to abort/Term exchange. + * pre_xmit_response->qlt_send_term_exchange + * BIT_7 - SRR received (qlt_handle_srr->qlt_xmit_response) + * BIT_8 - SRR received (qlt_handle_srr->qlt_rdy_to_xfer) + * BIT_9 - SRR received (qla_handle_srr->qlt_send_term_exchange) + * BIT_10 - Data in - hanlde_data->tcm_qla2xxx_handle_data + + * BIT_12 - good completion - qlt_ctio_do_completion -->free_cmd + * BIT_13 - Bad completion - + * qlt_ctio_do_completion --> qlt_term_ctio_exchange + * BIT_14 - Back end data received/sent. + * BIT_15 - SRR prepare ctio + * BIT_16 - complete free + * BIT_17 - flush - qlt_abort_cmd_on_host_reset + * BIT_18 - completion w/abort status + * BIT_19 - completion w/unknown status + * BIT_20 - tcm_qla2xxx_free_cmd + */ + CMD_FLAG_DATA_WORK = BIT_11, + CMD_FLAG_DATA_WORK_FREE = BIT_21, +} cmd_flags_t; + struct qla_tgt_cmd { struct se_cmd se_cmd; struct qla_tgt_sess *sess; @@ -952,6 +982,7 @@ struct qla_tgt_cmd { /* Sense buffer that will be mapped into outgoing status */ unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; + spinlock_t cmd_lock; /* to save extra sess dereferences */ unsigned int conf_compl_supported:1; unsigned int sg_mapped:1; @@ -986,30 +1017,8 @@ struct qla_tgt_cmd { uint64_t jiffies_at_alloc; uint64_t jiffies_at_free; - /* BIT_0 - Atio Arrival / schedule to work - * BIT_1 - qlt_do_work - * BIT_2 - qlt_do work failed - * BIT_3 - xfer rdy/tcm_qla2xxx_write_pending - * BIT_4 - read respond/tcm_qla2xx_queue_data_in - * BIT_5 - status respond / tcm_qla2xx_queue_status - * BIT_6 - tcm request to abort/Term exchange. - * pre_xmit_response->qlt_send_term_exchange - * BIT_7 - SRR received (qlt_handle_srr->qlt_xmit_response) - * BIT_8 - SRR received (qlt_handle_srr->qlt_rdy_to_xfer) - * BIT_9 - SRR received (qla_handle_srr->qlt_send_term_exchange) - * BIT_10 - Data in - hanlde_data->tcm_qla2xxx_handle_data - * BIT_11 - Data actually going to TCM : tcm_qla2xx_handle_data_work - * BIT_12 - good completion - qlt_ctio_do_completion -->free_cmd - * BIT_13 - Bad completion - - * qlt_ctio_do_completion --> qlt_term_ctio_exchange - * BIT_14 - Back end data received/sent. - * BIT_15 - SRR prepare ctio - * BIT_16 - complete free - * BIT_17 - flush - qlt_abort_cmd_on_host_reset - * BIT_18 - completion w/abort status - * BIT_19 - completion w/unknown status - */ - uint32_t cmd_flags; + + cmd_flags_t cmd_flags; }; struct qla_tgt_sess_work_param { @@ -1148,7 +1157,7 @@ static inline void sid_to_portid(const uint8_t *s_id, port_id_t *p) extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); -extern void qlt_abort_cmd(struct qla_tgt_cmd *); +extern int qlt_abort_cmd(struct qla_tgt_cmd *); extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c index ddbe2e7ac14d..c3e622524604 100644 --- a/drivers/scsi/qla2xxx/qla_tmpl.c +++ b/drivers/scsi/qla2xxx/qla_tmpl.c @@ -395,6 +395,10 @@ qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha, if (ent->t263.queue_type == T263_QUEUE_TYPE_REQ) { for (i = 0; i < vha->hw->max_req_queues; i++) { struct req_que *req = vha->hw->req_q_map[i]; + + if (!test_bit(i, vha->hw->req_qid_map)) + continue; + if (req || !buf) { length = req ? req->length : REQUEST_ENTRY_CNT_24XX; @@ -408,6 +412,10 @@ qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha, } else if (ent->t263.queue_type == T263_QUEUE_TYPE_RSP) { for (i = 0; i < vha->hw->max_rsp_queues; i++) { struct rsp_que *rsp = vha->hw->rsp_q_map[i]; + + if (!test_bit(i, vha->hw->rsp_qid_map)) + continue; + if (rsp || !buf) { length = rsp ? rsp->length : RESPONSE_ENTRY_CNT_MQ; @@ -634,6 +642,10 @@ qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha, if (ent->t274.queue_type == T274_QUEUE_TYPE_REQ_SHAD) { for (i = 0; i < vha->hw->max_req_queues; i++) { struct req_que *req = vha->hw->req_q_map[i]; + + if (!test_bit(i, vha->hw->req_qid_map)) + continue; + if (req || !buf) { qla27xx_insert16(i, buf, len); qla27xx_insert16(1, buf, len); @@ -645,6 +657,10 @@ qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha, } else if (ent->t274.queue_type == T274_QUEUE_TYPE_RSP_SHAD) { for (i = 0; i < vha->hw->max_rsp_queues; i++) { struct rsp_que *rsp = vha->hw->rsp_q_map[i]; + + if (!test_bit(i, vha->hw->rsp_qid_map)) + continue; + if (rsp || !buf) { qla27xx_insert16(i, buf, len); qla27xx_insert16(1, buf, len); diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index faf0a126627f..1808a01cfb7e 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -298,6 +298,10 @@ static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd *cmd) { cmd->vha->tgt_counters.core_qla_free_cmd++; cmd->cmd_in_wq = 1; + + BUG_ON(cmd->cmd_flags & BIT_20); + cmd->cmd_flags |= BIT_20; + INIT_WORK(&cmd->work, tcm_qla2xxx_complete_free); queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); } @@ -374,6 +378,20 @@ static int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd) { struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); + + if (cmd->aborted) { + /* Cmd can loop during Q-full. tcm_qla2xxx_aborted_task + * can get ahead of this cmd. tcm_qla2xxx_aborted_task + * already kick start the free. + */ + pr_debug("write_pending aborted cmd[%p] refcount %d " + "transport_state %x, t_state %x, se_cmd_flags %x\n", + cmd,cmd->se_cmd.cmd_kref.refcount.counter, + cmd->se_cmd.transport_state, + cmd->se_cmd.t_state, + cmd->se_cmd.se_cmd_flags); + return 0; + } cmd->cmd_flags |= BIT_3; cmd->bufflen = se_cmd->data_length; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); @@ -405,7 +423,7 @@ static int tcm_qla2xxx_write_pending_status(struct se_cmd *se_cmd) se_cmd->t_state == TRANSPORT_COMPLETE_QF_WP) { spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); wait_for_completion_timeout(&se_cmd->t_transport_stop_comp, - 3 * HZ); + 50); return 0; } spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); @@ -444,6 +462,9 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd, if (bidi) flags |= TARGET_SCF_BIDI_OP; + if (se_cmd->cpuid != WORK_CPU_UNBOUND) + flags |= TARGET_SCF_USE_CPUID; + sess = cmd->sess; if (!sess) { pr_err("Unable to locate struct qla_tgt_sess from qla_tgt_cmd\n"); @@ -465,13 +486,25 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd, static void tcm_qla2xxx_handle_data_work(struct work_struct *work) { struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); + unsigned long flags; /* * Ensure that the complete FCP WRITE payload has been received. * Otherwise return an exception via CHECK_CONDITION status. */ cmd->cmd_in_wq = 0; - cmd->cmd_flags |= BIT_11; + + spin_lock_irqsave(&cmd->cmd_lock, flags); + cmd->cmd_flags |= CMD_FLAG_DATA_WORK; + if (cmd->aborted) { + cmd->cmd_flags |= CMD_FLAG_DATA_WORK_FREE; + spin_unlock_irqrestore(&cmd->cmd_lock, flags); + + tcm_qla2xxx_free_cmd(cmd); + return; + } + spin_unlock_irqrestore(&cmd->cmd_lock, flags); + cmd->vha->tgt_counters.qla_core_ret_ctio++; if (!cmd->write_data_transferred) { /* @@ -546,6 +579,20 @@ static int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd) struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); + if (cmd->aborted) { + /* Cmd can loop during Q-full. tcm_qla2xxx_aborted_task + * can get ahead of this cmd. tcm_qla2xxx_aborted_task + * already kick start the free. + */ + pr_debug("queue_data_in aborted cmd[%p] refcount %d " + "transport_state %x, t_state %x, se_cmd_flags %x\n", + cmd,cmd->se_cmd.cmd_kref.refcount.counter, + cmd->se_cmd.transport_state, + cmd->se_cmd.t_state, + cmd->se_cmd.se_cmd_flags); + return 0; + } + cmd->cmd_flags |= BIT_4; cmd->bufflen = se_cmd->data_length; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); @@ -637,11 +684,34 @@ static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd) qlt_xmit_tm_rsp(mcmd); } + +#define DATA_WORK_NOT_FREE(_flags) \ + (( _flags & (CMD_FLAG_DATA_WORK|CMD_FLAG_DATA_WORK_FREE)) == \ + CMD_FLAG_DATA_WORK) static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd) { struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); - qlt_abort_cmd(cmd); + unsigned long flags; + + if (qlt_abort_cmd(cmd)) + return; + + spin_lock_irqsave(&cmd->cmd_lock, flags); + if ((cmd->state == QLA_TGT_STATE_NEW)|| + ((cmd->state == QLA_TGT_STATE_DATA_IN) && + DATA_WORK_NOT_FREE(cmd->cmd_flags)) ) { + + cmd->cmd_flags |= CMD_FLAG_DATA_WORK_FREE; + spin_unlock_irqrestore(&cmd->cmd_lock, flags); + /* Cmd have not reached firmware. + * Use this trigger to free it. */ + tcm_qla2xxx_free_cmd(cmd); + return; + } + spin_unlock_irqrestore(&cmd->cmd_lock, flags); + return; + } static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *, diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 47b9d13f97b8..bbfbfd9e5aa3 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -205,6 +205,8 @@ static struct { {"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC}, {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN}, + {"Marvell", "Console", NULL, BLIST_SKIP_VPD_PAGES}, + {"Marvell", "91xx Config", "1.01", BLIST_SKIP_VPD_PAGES}, {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, {"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, {"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 4f18a851e2c7..00bc7218a7f8 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1272,16 +1272,18 @@ static void __scsi_remove_target(struct scsi_target *starget) void scsi_remove_target(struct device *dev) { struct Scsi_Host *shost = dev_to_shost(dev->parent); - struct scsi_target *starget; + struct scsi_target *starget, *last_target = NULL; unsigned long flags; restart: spin_lock_irqsave(shost->host_lock, flags); list_for_each_entry(starget, &shost->__targets, siblings) { - if (starget->state == STARGET_DEL) + if (starget->state == STARGET_DEL || + starget == last_target) continue; if (starget->dev.parent == dev || &starget->dev == dev) { kref_get(&starget->reap_ref); + last_target = starget; spin_unlock_irqrestore(shost->host_lock, flags); __scsi_remove_target(starget); scsi_target_reap(starget); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index bb669d32ccd0..d749da765df1 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -761,7 +761,7 @@ static int sd_setup_discard_cmnd(struct scsi_cmnd *cmd) break; default: - ret = BLKPREP_KILL; + ret = BLKPREP_INVALID; goto out; } @@ -839,7 +839,7 @@ static int sd_setup_write_same_cmnd(struct scsi_cmnd *cmd) int ret; if (sdkp->device->no_write_same) - return BLKPREP_KILL; + return BLKPREP_INVALID; BUG_ON(bio_offset(bio) || bio_iovec(bio).bv_len != sdp->sector_size); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 503ab8b46c0b..5e820674432c 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1261,7 +1261,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) } sfp->mmap_called = 1; - vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; + vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; vma->vm_private_data = sfp; vma->vm_ops = &sg_mmap_vm_ops; return 0; diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 55627d097873..292c04eec9ad 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -42,6 +42,7 @@ #include <scsi/scsi_devinfo.h> #include <scsi/scsi_dbg.h> #include <scsi/scsi_transport_fc.h> +#include <scsi/scsi_transport.h> /* * All wire protocol details (storage protocol between the guest and the host) @@ -477,19 +478,18 @@ struct hv_host_device { struct storvsc_scan_work { struct work_struct work; struct Scsi_Host *host; - uint lun; + u8 lun; + u8 tgt_id; }; static void storvsc_device_scan(struct work_struct *work) { struct storvsc_scan_work *wrk; - uint lun; struct scsi_device *sdev; wrk = container_of(work, struct storvsc_scan_work, work); - lun = wrk->lun; - sdev = scsi_device_lookup(wrk->host, 0, 0, lun); + sdev = scsi_device_lookup(wrk->host, 0, wrk->tgt_id, wrk->lun); if (!sdev) goto done; scsi_rescan_device(&sdev->sdev_gendev); @@ -540,7 +540,7 @@ static void storvsc_remove_lun(struct work_struct *work) if (!scsi_host_get(wrk->host)) goto done; - sdev = scsi_device_lookup(wrk->host, 0, 0, wrk->lun); + sdev = scsi_device_lookup(wrk->host, 0, wrk->tgt_id, wrk->lun); if (sdev) { scsi_remove_device(sdev); @@ -940,6 +940,7 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, wrk->host = host; wrk->lun = vm_srb->lun; + wrk->tgt_id = vm_srb->target_id; INIT_WORK(&wrk->work, process_err_fn); schedule_work(&wrk->work); } @@ -1770,6 +1771,11 @@ static int __init storvsc_drv_init(void) fc_transport_template = fc_attach_transport(&fc_transport_functions); if (!fc_transport_template) return -ENODEV; + + /* + * Install Hyper-V specific timeout handler. + */ + fc_transport_template->eh_timed_out = storvsc_eh_timed_out; #endif ret = vmbus_driver_register(&storvsc_drv); diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c index 91a003011acf..a9bac3bf20de 100644 --- a/drivers/sh/pm_runtime.c +++ b/drivers/sh/pm_runtime.c @@ -34,7 +34,7 @@ static struct pm_clk_notifier_block platform_bus_notifier = { static int __init sh_pm_runtime_init(void) { - if (IS_ENABLED(CONFIG_ARCH_SHMOBILE)) { + if (IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_ARCH_SHMOBILE)) { if (!of_find_compatible_node(NULL, NULL, "renesas,cpg-mstp-clocks")) return 0; diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index aebad36391c9..8feac599e9ab 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1571,6 +1571,7 @@ static int atmel_spi_probe(struct platform_device *pdev) as->use_cs_gpios = true; if (atmel_spi_is_v2(as) && + pdev->dev.of_node && !of_get_property(pdev->dev.of_node, "cs-gpios", NULL)) { as->use_cs_gpios = false; master->num_chipselect = 4; diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c index 7de6f8472a81..ecc73c0a97cf 100644 --- a/drivers/spi/spi-bcm2835aux.c +++ b/drivers/spi/spi-bcm2835aux.c @@ -73,8 +73,8 @@ /* Bitfields in CNTL1 */ #define BCM2835_AUX_SPI_CNTL1_CSHIGH 0x00000700 -#define BCM2835_AUX_SPI_CNTL1_IDLE 0x00000080 -#define BCM2835_AUX_SPI_CNTL1_TXEMPTY 0x00000040 +#define BCM2835_AUX_SPI_CNTL1_TXEMPTY 0x00000080 +#define BCM2835_AUX_SPI_CNTL1_IDLE 0x00000040 #define BCM2835_AUX_SPI_CNTL1_MSBF_IN 0x00000002 #define BCM2835_AUX_SPI_CNTL1_KEEP_IN 0x00000001 diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 7fd6a4c009d2..7cb0c1921495 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -84,7 +84,7 @@ struct fsl_espi_transfer { /* SPCOM register values */ #define SPCOM_CS(x) ((x) << 30) #define SPCOM_TRANLEN(x) ((x) << 0) -#define SPCOM_TRANLEN_MAX 0xFFFF /* Max transaction length */ +#define SPCOM_TRANLEN_MAX 0x10000 /* Max transaction length */ #define AUTOSUSPEND_TIMEOUT 2000 @@ -233,7 +233,7 @@ static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t) reinit_completion(&mpc8xxx_spi->done); /* Set SPCOM[CS] and SPCOM[TRANLEN] field */ - if ((t->len - 1) > SPCOM_TRANLEN_MAX) { + if (t->len > SPCOM_TRANLEN_MAX) { dev_err(mpc8xxx_spi->dev, "Transaction length (%d)" " beyond the SPCOM[TRANLEN] field\n", t->len); return -EINVAL; diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index d98c33cb64f9..6a4ff27f4357 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -929,7 +929,7 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx, tx->sgl, tx->nents, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc_tx) - goto no_dma; + goto tx_nodma; desc_tx->callback = spi_imx_dma_tx_callback; desc_tx->callback_param = (void *)spi_imx; @@ -941,7 +941,7 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx, rx->sgl, rx->nents, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc_rx) - goto no_dma; + goto rx_nodma; desc_rx->callback = spi_imx_dma_rx_callback; desc_rx->callback_param = (void *)spi_imx; @@ -1008,7 +1008,9 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx, return ret; -no_dma: +rx_nodma: + dmaengine_terminate_all(master->dma_tx); +tx_nodma: pr_warn_once("%s %s: DMA not available, falling back to PIO\n", dev_driver_string(&master->dev), dev_name(&master->dev)); diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c index 894616f687b0..cf4bb36bee25 100644 --- a/drivers/spi/spi-loopback-test.c +++ b/drivers/spi/spi-loopback-test.c @@ -761,6 +761,7 @@ static int spi_test_run_iter(struct spi_device *spi, test.iterate_transfer_mask = 1; /* count number of transfers with tx/rx_buf != NULL */ + rx_count = tx_count = 0; for (i = 0; i < test.transfer_count; i++) { if (test.transfers[i].tx_buf) tx_count++; diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 7273820275e9..0caa3c8bef46 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -1490,6 +1490,8 @@ static int omap2_mcspi_probe(struct platform_device *pdev) return status; disable_pm: + pm_runtime_dont_use_autosuspend(&pdev->dev); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); free_master: spi_master_put(master); @@ -1501,6 +1503,7 @@ static int omap2_mcspi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct omap2_mcspi *mcspi = spi_master_get_devdata(master); + pm_runtime_dont_use_autosuspend(mcspi->dev); pm_runtime_put_sync(mcspi->dev); pm_runtime_disable(&pdev->dev); diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index cde5ff7529eb..d1a750760cf3 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -613,9 +613,10 @@ out: return err; } -static int ssb_bus_register(struct ssb_bus *bus, - ssb_invariants_func_t get_invariants, - unsigned long baseaddr) +static int __maybe_unused +ssb_bus_register(struct ssb_bus *bus, + ssb_invariants_func_t get_invariants, + unsigned long baseaddr) { int err; diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index 58d4517e1836..b9519be90fda 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -6,6 +6,7 @@ menu "Analog to digital converters" config AD7606 tristate "Analog Devices AD7606 ADC driver" depends on GPIOLIB || COMPILE_TEST + depends on HAS_IOMEM select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index f129039bece3..69287108f793 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -217,8 +217,12 @@ error_ret: static int ade7753_reset(struct device *dev) { u16 val; + int ret; + + ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); + if (ret) + return ret; - ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); val |= BIT(6); /* Software Chip Reset */ return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val); @@ -343,8 +347,12 @@ error_ret: static int ade7753_stop_device(struct device *dev) { u16 val; + int ret; + + ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); + if (ret) + return ret; - ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); val |= BIT(4); /* AD converters can be turned off */ return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val); diff --git a/drivers/staging/speakup/Kconfig b/drivers/staging/speakup/Kconfig index efd6f4560d3e..7e8037e230b8 100644 --- a/drivers/staging/speakup/Kconfig +++ b/drivers/staging/speakup/Kconfig @@ -1,7 +1,7 @@ menu "Speakup console speech" config SPEAKUP - depends on VT + depends on VT && !MN10300 tristate "Speakup core" ---help--- This is the Speakup screen reader. Think of it as a diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 3327c49674d3..713c63d9681b 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -898,7 +898,7 @@ static ssize_t unmap_zeroes_data_store(struct config_item *item, da->unmap_zeroes_data = flag; pr_debug("dev[%p]: SE Device Thin Provisioning LBPRZ bit: %d\n", da->da_dev, flag); - return 0; + return count; } /* diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index cacd97a8cbd0..da457e25717a 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -828,6 +828,50 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) return dev; } +/* + * Check if the underlying struct block_device request_queue supports + * the QUEUE_FLAG_DISCARD bit for UNMAP/WRITE_SAME in SCSI + TRIM + * in ATA and we need to set TPE=1 + */ +bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib, + struct request_queue *q, int block_size) +{ + if (!blk_queue_discard(q)) + return false; + + attrib->max_unmap_lba_count = (q->limits.max_discard_sectors << 9) / + block_size; + /* + * Currently hardcoded to 1 in Linux/SCSI code.. + */ + attrib->max_unmap_block_desc_count = 1; + attrib->unmap_granularity = q->limits.discard_granularity / block_size; + attrib->unmap_granularity_alignment = q->limits.discard_alignment / + block_size; + attrib->unmap_zeroes_data = q->limits.discard_zeroes_data; + return true; +} +EXPORT_SYMBOL(target_configure_unmap_from_queue); + +/* + * Convert from blocksize advertised to the initiator to the 512 byte + * units unconditionally used by the Linux block layer. + */ +sector_t target_to_linux_sector(struct se_device *dev, sector_t lb) +{ + switch (dev->dev_attrib.block_size) { + case 4096: + return lb << 3; + case 2048: + return lb << 2; + case 1024: + return lb << 1; + default: + return lb; + } +} +EXPORT_SYMBOL(target_to_linux_sector); + int target_configure_device(struct se_device *dev) { struct se_hba *hba = dev->se_hba; diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index e3195700211a..75f0f08b2a34 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -160,25 +160,11 @@ static int fd_configure_device(struct se_device *dev) " block_device blocks: %llu logical_block_size: %d\n", dev_size, div_u64(dev_size, fd_dev->fd_block_size), fd_dev->fd_block_size); - /* - * Check if the underlying struct block_device request_queue supports - * the QUEUE_FLAG_DISCARD bit for UNMAP/WRITE_SAME in SCSI + TRIM - * in ATA and we need to set TPE=1 - */ - if (blk_queue_discard(q)) { - dev->dev_attrib.max_unmap_lba_count = - q->limits.max_discard_sectors; - /* - * Currently hardcoded to 1 in Linux/SCSI code.. - */ - dev->dev_attrib.max_unmap_block_desc_count = 1; - dev->dev_attrib.unmap_granularity = - q->limits.discard_granularity >> 9; - dev->dev_attrib.unmap_granularity_alignment = - q->limits.discard_alignment; + + if (target_configure_unmap_from_queue(&dev->dev_attrib, q, + fd_dev->fd_block_size)) pr_debug("IFILE: BLOCK Discard support available," - " disabled by default\n"); - } + " disabled by default\n"); /* * Enable write same emulation for IBLOCK and use 0xFFFF as * the smaller WRITE_SAME(10) only has a two-byte block count. @@ -490,9 +476,12 @@ fd_execute_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb) if (S_ISBLK(inode->i_mode)) { /* The backend is block device, use discard */ struct block_device *bdev = inode->i_bdev; + struct se_device *dev = cmd->se_dev; - ret = blkdev_issue_discard(bdev, lba, - nolb, GFP_KERNEL, 0); + ret = blkdev_issue_discard(bdev, + target_to_linux_sector(dev, lba), + target_to_linux_sector(dev, nolb), + GFP_KERNEL, 0); if (ret < 0) { pr_warn("FILEIO: blkdev_issue_discard() failed: %d\n", ret); diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 5a2899f9f50b..abe4eb997a84 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -121,29 +121,11 @@ static int iblock_configure_device(struct se_device *dev) dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q); dev->dev_attrib.hw_queue_depth = q->nr_requests; - /* - * Check if the underlying struct block_device request_queue supports - * the QUEUE_FLAG_DISCARD bit for UNMAP/WRITE_SAME in SCSI + TRIM - * in ATA and we need to set TPE=1 - */ - if (blk_queue_discard(q)) { - dev->dev_attrib.max_unmap_lba_count = - q->limits.max_discard_sectors; - - /* - * Currently hardcoded to 1 in Linux/SCSI code.. - */ - dev->dev_attrib.max_unmap_block_desc_count = 1; - dev->dev_attrib.unmap_granularity = - q->limits.discard_granularity >> 9; - dev->dev_attrib.unmap_granularity_alignment = - q->limits.discard_alignment; - dev->dev_attrib.unmap_zeroes_data = - q->limits.discard_zeroes_data; - + if (target_configure_unmap_from_queue(&dev->dev_attrib, q, + dev->dev_attrib.hw_block_size)) pr_debug("IBLOCK: BLOCK Discard support available," - " disabled by default\n"); - } + " disabled by default\n"); + /* * Enable write same emulation for IBLOCK and use 0xFFFF as * the smaller WRITE_SAME(10) only has a two-byte block count. @@ -415,9 +397,13 @@ static sense_reason_t iblock_execute_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb) { struct block_device *bdev = IBLOCK_DEV(cmd->se_dev)->ibd_bd; + struct se_device *dev = cmd->se_dev; int ret; - ret = blkdev_issue_discard(bdev, lba, nolb, GFP_KERNEL, 0); + ret = blkdev_issue_discard(bdev, + target_to_linux_sector(dev, lba), + target_to_linux_sector(dev, nolb), + GFP_KERNEL, 0); if (ret < 0) { pr_err("blkdev_issue_discard() failed: %d\n", ret); return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; @@ -433,8 +419,10 @@ iblock_execute_write_same(struct se_cmd *cmd) struct scatterlist *sg; struct bio *bio; struct bio_list list; - sector_t block_lba = cmd->t_task_lba; - sector_t sectors = sbc_get_write_same_sectors(cmd); + struct se_device *dev = cmd->se_dev; + sector_t block_lba = target_to_linux_sector(dev, cmd->t_task_lba); + sector_t sectors = target_to_linux_sector(dev, + sbc_get_write_same_sectors(cmd)); if (cmd->prot_op) { pr_err("WRITE_SAME: Protection information with IBLOCK" @@ -648,12 +636,12 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, enum dma_data_direction data_direction) { struct se_device *dev = cmd->se_dev; + sector_t block_lba = target_to_linux_sector(dev, cmd->t_task_lba); struct iblock_req *ibr; struct bio *bio, *bio_start; struct bio_list list; struct scatterlist *sg; u32 sg_num = sgl_nents; - sector_t block_lba; unsigned bio_cnt; int rw = 0; int i; @@ -679,24 +667,6 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, rw = READ; } - /* - * Convert the blocksize advertised to the initiator to the 512 byte - * units unconditionally used by the Linux block layer. - */ - if (dev->dev_attrib.block_size == 4096) - block_lba = (cmd->t_task_lba << 3); - else if (dev->dev_attrib.block_size == 2048) - block_lba = (cmd->t_task_lba << 2); - else if (dev->dev_attrib.block_size == 1024) - block_lba = (cmd->t_task_lba << 1); - else if (dev->dev_attrib.block_size == 512) - block_lba = cmd->t_task_lba; - else { - pr_err("Unsupported SCSI -> BLOCK LBA conversion:" - " %u\n", dev->dev_attrib.block_size); - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - } - ibr = kzalloc(sizeof(struct iblock_req), GFP_KERNEL); if (!ibr) goto fail; diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index dae0750c2032..db4412fe6b8a 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -141,7 +141,6 @@ void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int); int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int); int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int); int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int); -bool target_stop_cmd(struct se_cmd *cmd, unsigned long *flags); void transport_clear_lun_ref(struct se_lun *); void transport_send_task_abort(struct se_cmd *); sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size); diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index fcdcb117c60d..82a663ba9800 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -68,23 +68,25 @@ void core_tmr_release_req(struct se_tmr_req *tmr) if (dev) { spin_lock_irqsave(&dev->se_tmr_lock, flags); - list_del(&tmr->tmr_list); + list_del_init(&tmr->tmr_list); spin_unlock_irqrestore(&dev->se_tmr_lock, flags); } kfree(tmr); } -static void core_tmr_handle_tas_abort( - struct se_node_acl *tmr_nacl, - struct se_cmd *cmd, - int tas) +static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) { - bool remove = true; + unsigned long flags; + bool remove = true, send_tas; /* * TASK ABORTED status (TAS) bit support */ - if ((tmr_nacl && (tmr_nacl != cmd->se_sess->se_node_acl)) && tas) { + spin_lock_irqsave(&cmd->t_state_lock, flags); + send_tas = (cmd->transport_state & CMD_T_TAS); + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + + if (send_tas) { remove = false; transport_send_task_abort(cmd); } @@ -107,6 +109,46 @@ static int target_check_cdb_and_preempt(struct list_head *list, return 1; } +static bool __target_check_io_state(struct se_cmd *se_cmd, + struct se_session *tmr_sess, int tas) +{ + struct se_session *sess = se_cmd->se_sess; + + assert_spin_locked(&sess->sess_cmd_lock); + WARN_ON_ONCE(!irqs_disabled()); + /* + * If command already reached CMD_T_COMPLETE state within + * target_complete_cmd() or CMD_T_FABRIC_STOP due to shutdown, + * this se_cmd has been passed to fabric driver and will + * not be aborted. + * + * Otherwise, obtain a local se_cmd->cmd_kref now for TMR + * ABORT_TASK + LUN_RESET for CMD_T_ABORTED processing as + * long as se_cmd->cmd_kref is still active unless zero. + */ + spin_lock(&se_cmd->t_state_lock); + if (se_cmd->transport_state & (CMD_T_COMPLETE | CMD_T_FABRIC_STOP)) { + pr_debug("Attempted to abort io tag: %llu already complete or" + " fabric stop, skipping\n", se_cmd->tag); + spin_unlock(&se_cmd->t_state_lock); + return false; + } + if (sess->sess_tearing_down || se_cmd->cmd_wait_set) { + pr_debug("Attempted to abort io tag: %llu already shutdown," + " skipping\n", se_cmd->tag); + spin_unlock(&se_cmd->t_state_lock); + return false; + } + se_cmd->transport_state |= CMD_T_ABORTED; + + if ((tmr_sess != se_cmd->se_sess) && tas) + se_cmd->transport_state |= CMD_T_TAS; + + spin_unlock(&se_cmd->t_state_lock); + + return kref_get_unless_zero(&se_cmd->cmd_kref); +} + void core_tmr_abort_task( struct se_device *dev, struct se_tmr_req *tmr, @@ -130,34 +172,22 @@ void core_tmr_abort_task( if (tmr->ref_task_tag != ref_tag) continue; - if (!kref_get_unless_zero(&se_cmd->cmd_kref)) - continue; - printk("ABORT_TASK: Found referenced %s task_tag: %llu\n", se_cmd->se_tfo->get_fabric_name(), ref_tag); - spin_lock(&se_cmd->t_state_lock); - if (se_cmd->transport_state & CMD_T_COMPLETE) { - printk("ABORT_TASK: ref_tag: %llu already complete," - " skipping\n", ref_tag); - spin_unlock(&se_cmd->t_state_lock); + if (!__target_check_io_state(se_cmd, se_sess, 0)) { spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); - target_put_sess_cmd(se_cmd); - goto out; } - se_cmd->transport_state |= CMD_T_ABORTED; - spin_unlock(&se_cmd->t_state_lock); - list_del_init(&se_cmd->se_cmd_list); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); cancel_work_sync(&se_cmd->work); transport_wait_for_tasks(se_cmd); - target_put_sess_cmd(se_cmd); transport_cmd_finish_abort(se_cmd, true); + target_put_sess_cmd(se_cmd); printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for" " ref_tag: %llu\n", ref_tag); @@ -178,9 +208,11 @@ static void core_tmr_drain_tmr_list( struct list_head *preempt_and_abort_list) { LIST_HEAD(drain_tmr_list); + struct se_session *sess; struct se_tmr_req *tmr_p, *tmr_pp; struct se_cmd *cmd; unsigned long flags; + bool rc; /* * Release all pending and outgoing TMRs aside from the received * LUN_RESET tmr.. @@ -206,17 +238,39 @@ static void core_tmr_drain_tmr_list( if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd)) continue; + sess = cmd->se_sess; + if (WARN_ON_ONCE(!sess)) + continue; + + spin_lock(&sess->sess_cmd_lock); spin_lock(&cmd->t_state_lock); - if (!(cmd->transport_state & CMD_T_ACTIVE)) { + if (!(cmd->transport_state & CMD_T_ACTIVE) || + (cmd->transport_state & CMD_T_FABRIC_STOP)) { spin_unlock(&cmd->t_state_lock); + spin_unlock(&sess->sess_cmd_lock); continue; } if (cmd->t_state == TRANSPORT_ISTATE_PROCESSING) { spin_unlock(&cmd->t_state_lock); + spin_unlock(&sess->sess_cmd_lock); continue; } + if (sess->sess_tearing_down || cmd->cmd_wait_set) { + spin_unlock(&cmd->t_state_lock); + spin_unlock(&sess->sess_cmd_lock); + continue; + } + cmd->transport_state |= CMD_T_ABORTED; spin_unlock(&cmd->t_state_lock); + rc = kref_get_unless_zero(&cmd->cmd_kref); + if (!rc) { + printk("LUN_RESET TMR: non-zero kref_get_unless_zero\n"); + spin_unlock(&sess->sess_cmd_lock); + continue; + } + spin_unlock(&sess->sess_cmd_lock); + list_move_tail(&tmr_p->tmr_list, &drain_tmr_list); } spin_unlock_irqrestore(&dev->se_tmr_lock, flags); @@ -230,20 +284,26 @@ static void core_tmr_drain_tmr_list( (preempt_and_abort_list) ? "Preempt" : "", tmr_p, tmr_p->function, tmr_p->response, cmd->t_state); + cancel_work_sync(&cmd->work); + transport_wait_for_tasks(cmd); + transport_cmd_finish_abort(cmd, 1); + target_put_sess_cmd(cmd); } } static void core_tmr_drain_state_list( struct se_device *dev, struct se_cmd *prout_cmd, - struct se_node_acl *tmr_nacl, + struct se_session *tmr_sess, int tas, struct list_head *preempt_and_abort_list) { LIST_HEAD(drain_task_list); + struct se_session *sess; struct se_cmd *cmd, *next; unsigned long flags; + int rc; /* * Complete outstanding commands with TASK_ABORTED SAM status. @@ -282,6 +342,16 @@ static void core_tmr_drain_state_list( if (prout_cmd == cmd) continue; + sess = cmd->se_sess; + if (WARN_ON_ONCE(!sess)) + continue; + + spin_lock(&sess->sess_cmd_lock); + rc = __target_check_io_state(cmd, tmr_sess, tas); + spin_unlock(&sess->sess_cmd_lock); + if (!rc) + continue; + list_move_tail(&cmd->state_list, &drain_task_list); cmd->state_active = false; } @@ -289,7 +359,7 @@ static void core_tmr_drain_state_list( while (!list_empty(&drain_task_list)) { cmd = list_entry(drain_task_list.next, struct se_cmd, state_list); - list_del(&cmd->state_list); + list_del_init(&cmd->state_list); pr_debug("LUN_RESET: %s cmd: %p" " ITT/CmdSN: 0x%08llx/0x%08x, i_state: %d, t_state: %d" @@ -313,16 +383,11 @@ static void core_tmr_drain_state_list( * loop above, but we do it down here given that * cancel_work_sync may block. */ - if (cmd->t_state == TRANSPORT_COMPLETE) - cancel_work_sync(&cmd->work); - - spin_lock_irqsave(&cmd->t_state_lock, flags); - target_stop_cmd(cmd, &flags); - - cmd->transport_state |= CMD_T_ABORTED; - spin_unlock_irqrestore(&cmd->t_state_lock, flags); + cancel_work_sync(&cmd->work); + transport_wait_for_tasks(cmd); - core_tmr_handle_tas_abort(tmr_nacl, cmd, tas); + core_tmr_handle_tas_abort(cmd, tas); + target_put_sess_cmd(cmd); } } @@ -334,6 +399,7 @@ int core_tmr_lun_reset( { struct se_node_acl *tmr_nacl = NULL; struct se_portal_group *tmr_tpg = NULL; + struct se_session *tmr_sess = NULL; int tas; /* * TASK_ABORTED status bit, this is configurable via ConfigFS @@ -352,8 +418,9 @@ int core_tmr_lun_reset( * or struct se_device passthrough.. */ if (tmr && tmr->task_cmd && tmr->task_cmd->se_sess) { - tmr_nacl = tmr->task_cmd->se_sess->se_node_acl; - tmr_tpg = tmr->task_cmd->se_sess->se_tpg; + tmr_sess = tmr->task_cmd->se_sess; + tmr_nacl = tmr_sess->se_node_acl; + tmr_tpg = tmr_sess->se_tpg; if (tmr_nacl && tmr_tpg) { pr_debug("LUN_RESET: TMR caller fabric: %s" " initiator port %s\n", @@ -366,7 +433,7 @@ int core_tmr_lun_reset( dev->transport->name, tas); core_tmr_drain_tmr_list(dev, tmr, preempt_and_abort_list); - core_tmr_drain_state_list(dev, prout_cmd, tmr_nacl, tas, + core_tmr_drain_state_list(dev, prout_cmd, tmr_sess, tas, preempt_and_abort_list); /* diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 9f3608e10f25..867bc6d0a68a 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -534,9 +534,6 @@ void transport_deregister_session(struct se_session *se_sess) } EXPORT_SYMBOL(transport_deregister_session); -/* - * Called with cmd->t_state_lock held. - */ static void target_remove_from_state_list(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -561,10 +558,6 @@ static int transport_cmd_check_stop(struct se_cmd *cmd, bool remove_from_lists, { unsigned long flags; - spin_lock_irqsave(&cmd->t_state_lock, flags); - if (write_pending) - cmd->t_state = TRANSPORT_WRITE_PENDING; - if (remove_from_lists) { target_remove_from_state_list(cmd); @@ -574,6 +567,10 @@ static int transport_cmd_check_stop(struct se_cmd *cmd, bool remove_from_lists, cmd->se_lun = NULL; } + spin_lock_irqsave(&cmd->t_state_lock, flags); + if (write_pending) + cmd->t_state = TRANSPORT_WRITE_PENDING; + /* * Determine if frontend context caller is requesting the stopping of * this command for frontend exceptions. @@ -627,6 +624,8 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd) void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) { + bool ack_kref = (cmd->se_cmd_flags & SCF_ACK_KREF); + if (cmd->se_cmd_flags & SCF_SE_LUN_CMD) transport_lun_remove_cmd(cmd); /* @@ -638,7 +637,7 @@ void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) if (transport_cmd_check_stop_to_fabric(cmd)) return; - if (remove) + if (remove && ack_kref) transport_put_cmd(cmd); } @@ -694,19 +693,10 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) } /* - * See if we are waiting to complete for an exception condition. - */ - if (cmd->transport_state & CMD_T_REQUEST_STOP) { - spin_unlock_irqrestore(&cmd->t_state_lock, flags); - complete(&cmd->task_stop_comp); - return; - } - - /* * Check for case where an explicit ABORT_TASK has been received * and transport_wait_for_tasks() will be waiting for completion.. */ - if (cmd->transport_state & CMD_T_ABORTED && + if (cmd->transport_state & CMD_T_ABORTED || cmd->transport_state & CMD_T_STOP) { spin_unlock_irqrestore(&cmd->t_state_lock, flags); complete_all(&cmd->t_transport_stop_comp); @@ -721,10 +711,10 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) cmd->transport_state |= (CMD_T_COMPLETE | CMD_T_ACTIVE); spin_unlock_irqrestore(&cmd->t_state_lock, flags); - if (cmd->cpuid == -1) - queue_work(target_completion_wq, &cmd->work); - else + if (cmd->se_cmd_flags & SCF_USE_CPUID) queue_work_on(cmd->cpuid, target_completion_wq, &cmd->work); + else + queue_work(target_completion_wq, &cmd->work); } EXPORT_SYMBOL(target_complete_cmd); @@ -1203,7 +1193,6 @@ void transport_init_se_cmd( INIT_LIST_HEAD(&cmd->state_list); init_completion(&cmd->t_transport_stop_comp); init_completion(&cmd->cmd_wait_comp); - init_completion(&cmd->task_stop_comp); spin_lock_init(&cmd->t_state_lock); kref_init(&cmd->cmd_kref); cmd->transport_state = CMD_T_DEV_ACTIVE; @@ -1437,6 +1426,12 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess */ transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess, data_length, data_dir, task_attr, sense); + + if (flags & TARGET_SCF_USE_CPUID) + se_cmd->se_cmd_flags |= SCF_USE_CPUID; + else + se_cmd->cpuid = WORK_CPU_UNBOUND; + if (flags & TARGET_SCF_UNKNOWN_SIZE) se_cmd->unknown_data_length = 1; /* @@ -1635,33 +1630,6 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess, EXPORT_SYMBOL(target_submit_tmr); /* - * If the cmd is active, request it to be stopped and sleep until it - * has completed. - */ -bool target_stop_cmd(struct se_cmd *cmd, unsigned long *flags) - __releases(&cmd->t_state_lock) - __acquires(&cmd->t_state_lock) -{ - bool was_active = false; - - if (cmd->transport_state & CMD_T_BUSY) { - cmd->transport_state |= CMD_T_REQUEST_STOP; - spin_unlock_irqrestore(&cmd->t_state_lock, *flags); - - pr_debug("cmd %p waiting to complete\n", cmd); - wait_for_completion(&cmd->task_stop_comp); - pr_debug("cmd %p stopped successfully\n", cmd); - - spin_lock_irqsave(&cmd->t_state_lock, *flags); - cmd->transport_state &= ~CMD_T_REQUEST_STOP; - cmd->transport_state &= ~CMD_T_BUSY; - was_active = true; - } - - return was_active; -} - -/* * Handle SAM-esque emulation for generic transport request failures. */ void transport_generic_request_failure(struct se_cmd *cmd, @@ -1859,19 +1827,21 @@ static bool target_handle_task_attr(struct se_cmd *cmd) return true; } +static int __transport_check_aborted_status(struct se_cmd *, int); + void target_execute_cmd(struct se_cmd *cmd) { /* - * If the received CDB has aleady been aborted stop processing it here. - */ - if (transport_check_aborted_status(cmd, 1)) - return; - - /* * Determine if frontend context caller is requesting the stopping of * this command for frontend exceptions. + * + * If the received CDB has aleady been aborted stop processing it here. */ spin_lock_irq(&cmd->t_state_lock); + if (__transport_check_aborted_status(cmd, 1)) { + spin_unlock_irq(&cmd->t_state_lock); + return; + } if (cmd->transport_state & CMD_T_STOP) { pr_debug("%s:%d CMD_T_STOP for ITT: 0x%08llx\n", __func__, __LINE__, cmd->tag); @@ -2222,20 +2192,14 @@ static inline void transport_free_pages(struct se_cmd *cmd) } /** - * transport_release_cmd - free a command - * @cmd: command to free + * transport_put_cmd - release a reference to a command + * @cmd: command to release * - * This routine unconditionally frees a command, and reference counting - * or list removal must be done in the caller. + * This routine releases our reference to the command and frees it if possible. */ -static int transport_release_cmd(struct se_cmd *cmd) +static int transport_put_cmd(struct se_cmd *cmd) { BUG_ON(!cmd->se_tfo); - - if (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB) - core_tmr_release_req(cmd->se_tmr_req); - if (cmd->t_task_cdb != cmd->__t_task_cdb) - kfree(cmd->t_task_cdb); /* * If this cmd has been setup with target_get_sess_cmd(), drop * the kref and call ->release_cmd() in kref callback. @@ -2243,18 +2207,6 @@ static int transport_release_cmd(struct se_cmd *cmd) return target_put_sess_cmd(cmd); } -/** - * transport_put_cmd - release a reference to a command - * @cmd: command to release - * - * This routine releases our reference to the command and frees it if possible. - */ -static int transport_put_cmd(struct se_cmd *cmd) -{ - transport_free_pages(cmd); - return transport_release_cmd(cmd); -} - void *transport_kmap_data_sg(struct se_cmd *cmd) { struct scatterlist *sg = cmd->t_data_sg; @@ -2450,34 +2402,58 @@ static void transport_write_pending_qf(struct se_cmd *cmd) } } -int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks) +static bool +__transport_wait_for_tasks(struct se_cmd *, bool, bool *, bool *, + unsigned long *flags); + +static void target_wait_free_cmd(struct se_cmd *cmd, bool *aborted, bool *tas) { unsigned long flags; + + spin_lock_irqsave(&cmd->t_state_lock, flags); + __transport_wait_for_tasks(cmd, true, aborted, tas, &flags); + spin_unlock_irqrestore(&cmd->t_state_lock, flags); +} + +int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks) +{ int ret = 0; + bool aborted = false, tas = false; if (!(cmd->se_cmd_flags & SCF_SE_LUN_CMD)) { if (wait_for_tasks && (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) - transport_wait_for_tasks(cmd); + target_wait_free_cmd(cmd, &aborted, &tas); - ret = transport_release_cmd(cmd); + if (!aborted || tas) + ret = transport_put_cmd(cmd); } else { if (wait_for_tasks) - transport_wait_for_tasks(cmd); + target_wait_free_cmd(cmd, &aborted, &tas); /* * Handle WRITE failure case where transport_generic_new_cmd() * has already added se_cmd to state_list, but fabric has * failed command before I/O submission. */ - if (cmd->state_active) { - spin_lock_irqsave(&cmd->t_state_lock, flags); + if (cmd->state_active) target_remove_from_state_list(cmd); - spin_unlock_irqrestore(&cmd->t_state_lock, flags); - } if (cmd->se_lun) transport_lun_remove_cmd(cmd); - ret = transport_put_cmd(cmd); + if (!aborted || tas) + ret = transport_put_cmd(cmd); + } + /* + * If the task has been internally aborted due to TMR ABORT_TASK + * or LUN_RESET, target_core_tmr.c is responsible for performing + * the remaining calls to target_put_sess_cmd(), and not the + * callers of this function. + */ + if (aborted) { + pr_debug("Detected CMD_T_ABORTED for ITT: %llu\n", cmd->tag); + wait_for_completion(&cmd->cmd_wait_comp); + cmd->se_tfo->release_cmd(cmd); + ret = 1; } return ret; } @@ -2517,26 +2493,46 @@ out: } EXPORT_SYMBOL(target_get_sess_cmd); +static void target_free_cmd_mem(struct se_cmd *cmd) +{ + transport_free_pages(cmd); + + if (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB) + core_tmr_release_req(cmd->se_tmr_req); + if (cmd->t_task_cdb != cmd->__t_task_cdb) + kfree(cmd->t_task_cdb); +} + static void target_release_cmd_kref(struct kref *kref) { struct se_cmd *se_cmd = container_of(kref, struct se_cmd, cmd_kref); struct se_session *se_sess = se_cmd->se_sess; unsigned long flags; + bool fabric_stop; spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); if (list_empty(&se_cmd->se_cmd_list)) { spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + target_free_cmd_mem(se_cmd); se_cmd->se_tfo->release_cmd(se_cmd); return; } - if (se_sess->sess_tearing_down && se_cmd->cmd_wait_set) { + + spin_lock(&se_cmd->t_state_lock); + fabric_stop = (se_cmd->transport_state & CMD_T_FABRIC_STOP); + spin_unlock(&se_cmd->t_state_lock); + + if (se_cmd->cmd_wait_set || fabric_stop) { + list_del_init(&se_cmd->se_cmd_list); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + target_free_cmd_mem(se_cmd); complete(&se_cmd->cmd_wait_comp); return; } - list_del(&se_cmd->se_cmd_list); + list_del_init(&se_cmd->se_cmd_list); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + target_free_cmd_mem(se_cmd); se_cmd->se_tfo->release_cmd(se_cmd); } @@ -2548,6 +2544,7 @@ int target_put_sess_cmd(struct se_cmd *se_cmd) struct se_session *se_sess = se_cmd->se_sess; if (!se_sess) { + target_free_cmd_mem(se_cmd); se_cmd->se_tfo->release_cmd(se_cmd); return 1; } @@ -2564,6 +2561,7 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess) { struct se_cmd *se_cmd; unsigned long flags; + int rc; spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); if (se_sess->sess_tearing_down) { @@ -2573,8 +2571,15 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess) se_sess->sess_tearing_down = 1; list_splice_init(&se_sess->sess_cmd_list, &se_sess->sess_wait_list); - list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list) - se_cmd->cmd_wait_set = 1; + list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list) { + rc = kref_get_unless_zero(&se_cmd->cmd_kref); + if (rc) { + se_cmd->cmd_wait_set = 1; + spin_lock(&se_cmd->t_state_lock); + se_cmd->transport_state |= CMD_T_FABRIC_STOP; + spin_unlock(&se_cmd->t_state_lock); + } + } spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); } @@ -2587,15 +2592,25 @@ void target_wait_for_sess_cmds(struct se_session *se_sess) { struct se_cmd *se_cmd, *tmp_cmd; unsigned long flags; + bool tas; list_for_each_entry_safe(se_cmd, tmp_cmd, &se_sess->sess_wait_list, se_cmd_list) { - list_del(&se_cmd->se_cmd_list); + list_del_init(&se_cmd->se_cmd_list); pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:" " %d\n", se_cmd, se_cmd->t_state, se_cmd->se_tfo->get_cmd_state(se_cmd)); + spin_lock_irqsave(&se_cmd->t_state_lock, flags); + tas = (se_cmd->transport_state & CMD_T_TAS); + spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); + + if (!target_put_sess_cmd(se_cmd)) { + if (tas) + target_put_sess_cmd(se_cmd); + } + wait_for_completion(&se_cmd->cmd_wait_comp); pr_debug("After cmd_wait_comp: se_cmd: %p t_state: %d" " fabric state: %d\n", se_cmd, se_cmd->t_state, @@ -2617,53 +2632,75 @@ void transport_clear_lun_ref(struct se_lun *lun) wait_for_completion(&lun->lun_ref_comp); } -/** - * transport_wait_for_tasks - wait for completion to occur - * @cmd: command to wait - * - * Called from frontend fabric context to wait for storage engine - * to pause and/or release frontend generated struct se_cmd. - */ -bool transport_wait_for_tasks(struct se_cmd *cmd) +static bool +__transport_wait_for_tasks(struct se_cmd *cmd, bool fabric_stop, + bool *aborted, bool *tas, unsigned long *flags) + __releases(&cmd->t_state_lock) + __acquires(&cmd->t_state_lock) { - unsigned long flags; - spin_lock_irqsave(&cmd->t_state_lock, flags); + assert_spin_locked(&cmd->t_state_lock); + WARN_ON_ONCE(!irqs_disabled()); + + if (fabric_stop) + cmd->transport_state |= CMD_T_FABRIC_STOP; + + if (cmd->transport_state & CMD_T_ABORTED) + *aborted = true; + + if (cmd->transport_state & CMD_T_TAS) + *tas = true; + if (!(cmd->se_cmd_flags & SCF_SE_LUN_CMD) && - !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) { - spin_unlock_irqrestore(&cmd->t_state_lock, flags); + !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) return false; - } if (!(cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) && - !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) { - spin_unlock_irqrestore(&cmd->t_state_lock, flags); + !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) return false; - } - if (!(cmd->transport_state & CMD_T_ACTIVE)) { - spin_unlock_irqrestore(&cmd->t_state_lock, flags); + if (!(cmd->transport_state & CMD_T_ACTIVE)) + return false; + + if (fabric_stop && *aborted) return false; - } cmd->transport_state |= CMD_T_STOP; - pr_debug("wait_for_tasks: Stopping %p ITT: 0x%08llx i_state: %d, t_state: %d, CMD_T_STOP\n", - cmd, cmd->tag, cmd->se_tfo->get_cmd_state(cmd), cmd->t_state); + pr_debug("wait_for_tasks: Stopping %p ITT: 0x%08llx i_state: %d," + " t_state: %d, CMD_T_STOP\n", cmd, cmd->tag, + cmd->se_tfo->get_cmd_state(cmd), cmd->t_state); - spin_unlock_irqrestore(&cmd->t_state_lock, flags); + spin_unlock_irqrestore(&cmd->t_state_lock, *flags); wait_for_completion(&cmd->t_transport_stop_comp); - spin_lock_irqsave(&cmd->t_state_lock, flags); + spin_lock_irqsave(&cmd->t_state_lock, *flags); cmd->transport_state &= ~(CMD_T_ACTIVE | CMD_T_STOP); - pr_debug("wait_for_tasks: Stopped wait_for_completion(&cmd->t_transport_stop_comp) for ITT: 0x%08llx\n", - cmd->tag); + pr_debug("wait_for_tasks: Stopped wait_for_completion(&cmd->" + "t_transport_stop_comp) for ITT: 0x%08llx\n", cmd->tag); + return true; +} + +/** + * transport_wait_for_tasks - wait for completion to occur + * @cmd: command to wait + * + * Called from frontend fabric context to wait for storage engine + * to pause and/or release frontend generated struct se_cmd. + */ +bool transport_wait_for_tasks(struct se_cmd *cmd) +{ + unsigned long flags; + bool ret, aborted = false, tas = false; + + spin_lock_irqsave(&cmd->t_state_lock, flags); + ret = __transport_wait_for_tasks(cmd, false, &aborted, &tas, &flags); spin_unlock_irqrestore(&cmd->t_state_lock, flags); - return true; + return ret; } EXPORT_SYMBOL(transport_wait_for_tasks); @@ -2845,28 +2882,49 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd, } EXPORT_SYMBOL(transport_send_check_condition_and_sense); -int transport_check_aborted_status(struct se_cmd *cmd, int send_status) +static int __transport_check_aborted_status(struct se_cmd *cmd, int send_status) + __releases(&cmd->t_state_lock) + __acquires(&cmd->t_state_lock) { + assert_spin_locked(&cmd->t_state_lock); + WARN_ON_ONCE(!irqs_disabled()); + if (!(cmd->transport_state & CMD_T_ABORTED)) return 0; - /* * If cmd has been aborted but either no status is to be sent or it has * already been sent, just return */ - if (!send_status || !(cmd->se_cmd_flags & SCF_SEND_DELAYED_TAS)) + if (!send_status || !(cmd->se_cmd_flags & SCF_SEND_DELAYED_TAS)) { + if (send_status) + cmd->se_cmd_flags |= SCF_SEND_DELAYED_TAS; return 1; + } - pr_debug("Sending delayed SAM_STAT_TASK_ABORTED status for CDB: 0x%02x ITT: 0x%08llx\n", - cmd->t_task_cdb[0], cmd->tag); + pr_debug("Sending delayed SAM_STAT_TASK_ABORTED status for CDB:" + " 0x%02x ITT: 0x%08llx\n", cmd->t_task_cdb[0], cmd->tag); cmd->se_cmd_flags &= ~SCF_SEND_DELAYED_TAS; cmd->scsi_status = SAM_STAT_TASK_ABORTED; trace_target_cmd_complete(cmd); + + spin_unlock_irq(&cmd->t_state_lock); cmd->se_tfo->queue_status(cmd); + spin_lock_irq(&cmd->t_state_lock); return 1; } + +int transport_check_aborted_status(struct se_cmd *cmd, int send_status) +{ + int ret; + + spin_lock_irq(&cmd->t_state_lock); + ret = __transport_check_aborted_status(cmd, send_status); + spin_unlock_irq(&cmd->t_state_lock); + + return ret; +} EXPORT_SYMBOL(transport_check_aborted_status); void transport_send_task_abort(struct se_cmd *cmd) @@ -2888,11 +2946,17 @@ void transport_send_task_abort(struct se_cmd *cmd) */ if (cmd->data_direction == DMA_TO_DEVICE) { if (cmd->se_tfo->write_pending_status(cmd) != 0) { - cmd->transport_state |= CMD_T_ABORTED; + spin_lock_irqsave(&cmd->t_state_lock, flags); + if (cmd->se_cmd_flags & SCF_SEND_DELAYED_TAS) { + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + goto send_abort; + } cmd->se_cmd_flags |= SCF_SEND_DELAYED_TAS; + spin_unlock_irqrestore(&cmd->t_state_lock, flags); return; } } +send_abort: cmd->scsi_status = SAM_STAT_TASK_ABORTED; transport_lun_remove_cmd(cmd); @@ -2909,8 +2973,17 @@ static void target_tmr_work(struct work_struct *work) struct se_cmd *cmd = container_of(work, struct se_cmd, work); struct se_device *dev = cmd->se_dev; struct se_tmr_req *tmr = cmd->se_tmr_req; + unsigned long flags; int ret; + spin_lock_irqsave(&cmd->t_state_lock, flags); + if (cmd->transport_state & CMD_T_ABORTED) { + tmr->response = TMR_FUNCTION_REJECTED; + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + goto check_stop; + } + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + switch (tmr->function) { case TMR_ABORT_TASK: core_tmr_abort_task(dev, tmr, cmd->se_sess); @@ -2943,9 +3016,17 @@ static void target_tmr_work(struct work_struct *work) break; } + spin_lock_irqsave(&cmd->t_state_lock, flags); + if (cmd->transport_state & CMD_T_ABORTED) { + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + goto check_stop; + } cmd->t_state = TRANSPORT_ISTATE_PROCESSING; + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + cmd->se_tfo->queue_tm_rsp(cmd); +check_stop: transport_cmd_check_stop_to_fabric(cmd); } diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index dd600e5ead71..94f5154ac788 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -903,7 +903,7 @@ static int tcmu_configure_device(struct se_device *dev) info->version = __stringify(TCMU_MAILBOX_VERSION); info->mem[0].name = "tcm-user command & data buffer"; - info->mem[0].addr = (phys_addr_t) udev->mb_addr; + info->mem[0].addr = (phys_addr_t)(uintptr_t)udev->mb_addr; info->mem[0].size = TCMU_RING_SIZE; info->mem[0].memtype = UIO_MEM_VIRTUAL; diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 8cc4ac64a91c..7c92c09be213 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -195,7 +195,7 @@ config IMX_THERMAL passive trip is crossed. config SPEAR_THERMAL - bool "SPEAr thermal sensor driver" + tristate "SPEAr thermal sensor driver" depends on PLAT_SPEAR || COMPILE_TEST depends on OF help @@ -237,8 +237,8 @@ config DOVE_THERMAL framework. config DB8500_THERMAL - bool "DB8500 thermal management" - depends on ARCH_U8500 + tristate "DB8500 thermal management" + depends on MFD_DB8500_PRCMU default y help Adds DB8500 thermal management implementation according to the thermal diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index e3fbc5a5d88f..6ceac4f2d4b2 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -377,26 +377,28 @@ static u32 cpu_power_to_freq(struct cpufreq_cooling_device *cpufreq_device, * get_load() - get load for a cpu since last updated * @cpufreq_device: &struct cpufreq_cooling_device for this cpu * @cpu: cpu number + * @cpu_idx: index of the cpu in cpufreq_device->allowed_cpus * * Return: The average load of cpu @cpu in percentage since this * function was last called. */ -static u32 get_load(struct cpufreq_cooling_device *cpufreq_device, int cpu) +static u32 get_load(struct cpufreq_cooling_device *cpufreq_device, int cpu, + int cpu_idx) { u32 load; u64 now, now_idle, delta_time, delta_idle; now_idle = get_cpu_idle_time(cpu, &now, 0); - delta_idle = now_idle - cpufreq_device->time_in_idle[cpu]; - delta_time = now - cpufreq_device->time_in_idle_timestamp[cpu]; + delta_idle = now_idle - cpufreq_device->time_in_idle[cpu_idx]; + delta_time = now - cpufreq_device->time_in_idle_timestamp[cpu_idx]; if (delta_time <= delta_idle) load = 0; else load = div64_u64(100 * (delta_time - delta_idle), delta_time); - cpufreq_device->time_in_idle[cpu] = now_idle; - cpufreq_device->time_in_idle_timestamp[cpu] = now; + cpufreq_device->time_in_idle[cpu_idx] = now_idle; + cpufreq_device->time_in_idle_timestamp[cpu_idx] = now; return load; } @@ -598,7 +600,7 @@ static int cpufreq_get_requested_power(struct thermal_cooling_device *cdev, u32 load; if (cpu_online(cpu)) - load = get_load(cpufreq_device, cpu); + load = get_load(cpufreq_device, cpu, i); else load = 0; diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index be4eedcb839a..9043f8f91852 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -475,14 +475,10 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, void *data, sensor_np = of_node_get(dev->of_node); - for_each_child_of_node(np, child) { + for_each_available_child_of_node(np, child) { struct of_phandle_args sensor_specs; int ret, id; - /* Check whether child is enabled or not */ - if (!of_device_is_available(child)) - continue; - /* For now, thermal framework supports only 1 sensor per zone */ ret = of_parse_phandle_with_args(child, "thermal-sensors", "#thermal-sensor-cells", @@ -881,16 +877,12 @@ int __init of_parse_thermal_zones(void) return 0; /* Run successfully on systems without thermal DT */ } - for_each_child_of_node(np, child) { + for_each_available_child_of_node(np, child) { struct thermal_zone_device *zone; struct thermal_zone_params *tzp; int i, mask = 0; u32 prop; - /* Check whether child is enabled or not */ - if (!of_device_is_available(child)) - continue; - tz = thermal_of_build_thermal_zone(child); if (IS_ERR(tz)) { pr_err("failed to build thermal zone %s: %ld\n", @@ -968,13 +960,9 @@ void of_thermal_destroy_zones(void) return; } - for_each_child_of_node(np, child) { + for_each_available_child_of_node(np, child) { struct thermal_zone_device *zone; - /* Check whether child is enabled or not */ - if (!of_device_is_available(child)) - continue; - zone = thermal_zone_get_zone_by_name(child->name); if (IS_ERR(zone)) continue; diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index 44b9c485157d..0e735acea33a 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/reboot.h> @@ -75,8 +76,10 @@ struct rcar_thermal_priv { #define rcar_has_irq_support(priv) ((priv)->common->base) #define rcar_id_to_shift(priv) ((priv)->id * 8) +#define USE_OF_THERMAL 1 static const struct of_device_id rcar_thermal_dt_ids[] = { { .compatible = "renesas,rcar-thermal", }, + { .compatible = "renesas,rcar-gen2-thermal", .data = (void *)USE_OF_THERMAL }, {}, }; MODULE_DEVICE_TABLE(of, rcar_thermal_dt_ids); @@ -200,9 +203,9 @@ err_out_unlock: return ret; } -static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) +static int rcar_thermal_get_current_temp(struct rcar_thermal_priv *priv, + int *temp) { - struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone); int tmp; int ret; @@ -226,6 +229,20 @@ static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) return 0; } +static int rcar_thermal_of_get_temp(void *data, int *temp) +{ + struct rcar_thermal_priv *priv = data; + + return rcar_thermal_get_current_temp(priv, temp); +} + +static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) +{ + struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone); + + return rcar_thermal_get_current_temp(priv, temp); +} + static int rcar_thermal_get_trip_type(struct thermal_zone_device *zone, int trip, enum thermal_trip_type *type) { @@ -282,6 +299,10 @@ static int rcar_thermal_notify(struct thermal_zone_device *zone, return 0; } +static const struct thermal_zone_of_device_ops rcar_thermal_zone_of_ops = { + .get_temp = rcar_thermal_of_get_temp, +}; + static struct thermal_zone_device_ops rcar_thermal_zone_ops = { .get_temp = rcar_thermal_get_temp, .get_trip_type = rcar_thermal_get_trip_type, @@ -318,14 +339,20 @@ static void rcar_thermal_work(struct work_struct *work) priv = container_of(work, struct rcar_thermal_priv, work.work); - rcar_thermal_get_temp(priv->zone, &cctemp); + ret = rcar_thermal_get_current_temp(priv, &cctemp); + if (ret < 0) + return; + ret = rcar_thermal_update_temp(priv); if (ret < 0) return; rcar_thermal_irq_enable(priv); - rcar_thermal_get_temp(priv->zone, &nctemp); + ret = rcar_thermal_get_current_temp(priv, &nctemp); + if (ret < 0) + return; + if (nctemp != cctemp) thermal_zone_device_update(priv->zone); } @@ -403,6 +430,8 @@ static int rcar_thermal_probe(struct platform_device *pdev) struct rcar_thermal_priv *priv; struct device *dev = &pdev->dev; struct resource *res, *irq; + const struct of_device_id *of_id = of_match_device(rcar_thermal_dt_ids, dev); + unsigned long of_data = (unsigned long)of_id->data; int mres = 0; int i; int ret = -ENODEV; @@ -463,7 +492,13 @@ static int rcar_thermal_probe(struct platform_device *pdev) if (ret < 0) goto error_unregister; - priv->zone = thermal_zone_device_register("rcar_thermal", + if (of_data == USE_OF_THERMAL) + priv->zone = thermal_zone_of_sensor_register( + dev, i, priv, + &rcar_thermal_zone_of_ops); + else + priv->zone = thermal_zone_device_register( + "rcar_thermal", 1, 0, priv, &rcar_thermal_zone_ops, NULL, 0, idle); diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c index 534dd9136662..81b35aace9de 100644 --- a/drivers/thermal/spear_thermal.c +++ b/drivers/thermal/spear_thermal.c @@ -54,8 +54,7 @@ static struct thermal_zone_device_ops ops = { .get_temp = thermal_get_temp, }; -#ifdef CONFIG_PM -static int spear_thermal_suspend(struct device *dev) +static int __maybe_unused spear_thermal_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct thermal_zone_device *spear_thermal = platform_get_drvdata(pdev); @@ -72,7 +71,7 @@ static int spear_thermal_suspend(struct device *dev) return 0; } -static int spear_thermal_resume(struct device *dev) +static int __maybe_unused spear_thermal_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct thermal_zone_device *spear_thermal = platform_get_drvdata(pdev); @@ -94,7 +93,6 @@ static int spear_thermal_resume(struct device *dev) return 0; } -#endif static SIMPLE_DEV_PM_OPS(spear_thermal_pm_ops, spear_thermal_suspend, spear_thermal_resume); diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index b3110040164a..2348fa613707 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -681,7 +681,14 @@ static void pty_unix98_remove(struct tty_driver *driver, struct tty_struct *tty) /* this is called once with whichever end is closed last */ static void pty_unix98_shutdown(struct tty_struct *tty) { - devpts_kill_index(tty->driver_data, tty->index); + struct inode *ptmx_inode; + + if (tty->driver->subtype == PTY_TYPE_MASTER) + ptmx_inode = tty->driver_data; + else + ptmx_inode = tty->link->driver_data; + devpts_kill_index(ptmx_inode, tty->index); + devpts_del_ref(ptmx_inode); } static const struct tty_operations ptm_unix98_ops = { @@ -773,6 +780,18 @@ static int ptmx_open(struct inode *inode, struct file *filp) set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ tty->driver_data = inode; + /* + * In the case where all references to ptmx inode are dropped and we + * still have /dev/tty opened pointing to the master/slave pair (ptmx + * is closed/released before /dev/tty), we must make sure that the inode + * is still valid when we call the final pty_unix98_shutdown, thus we + * hold an additional reference to the ptmx inode. For the same /dev/tty + * last close case, we also need to make sure the super_block isn't + * destroyed (devpts instance unmounted), before /dev/tty is closed and + * on its release devpts_kill_index is called. + */ + devpts_add_ref(inode); + tty_add_file(tty, filp); slave_inode = devpts_pty_new(inode, diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index e71ec78fc11e..7cd6f9a90542 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1941,6 +1941,7 @@ pci_wch_ch38x_setup(struct serial_private *priv, #define PCIE_VENDOR_ID_WCH 0x1c00 #define PCIE_DEVICE_ID_WCH_CH382_2S1P 0x3250 #define PCIE_DEVICE_ID_WCH_CH384_4S 0x3470 +#define PCIE_DEVICE_ID_WCH_CH382_2S 0x3253 #define PCI_VENDOR_ID_PERICOM 0x12D8 #define PCI_DEVICE_ID_PERICOM_PI7C9X7951 0x7951 @@ -2637,6 +2638,14 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .subdevice = PCI_ANY_ID, .setup = pci_wch_ch353_setup, }, + /* WCH CH382 2S card (16850 clone) */ + { + .vendor = PCIE_VENDOR_ID_WCH, + .device = PCIE_DEVICE_ID_WCH_CH382_2S, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = pci_wch_ch38x_setup, + }, /* WCH CH382 2S1P card (16850 clone) */ { .vendor = PCIE_VENDOR_ID_WCH, @@ -2955,6 +2964,7 @@ enum pci_board_num_t { pbn_fintek_4, pbn_fintek_8, pbn_fintek_12, + pbn_wch382_2, pbn_wch384_4, pbn_pericom_PI7C9X7951, pbn_pericom_PI7C9X7952, @@ -3775,6 +3785,13 @@ static struct pciserial_board pci_boards[] = { .base_baud = 115200, .first_offset = 0x40, }, + [pbn_wch382_2] = { + .flags = FL_BASE0, + .num_ports = 2, + .base_baud = 115200, + .uart_offset = 8, + .first_offset = 0xC0, + }, [pbn_wch384_4] = { .flags = FL_BASE0, .num_ports = 4, @@ -5574,6 +5591,10 @@ static struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b0_bt_2_115200 }, + { PCIE_VENDOR_ID_WCH, PCIE_DEVICE_ID_WCH_CH382_2S, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_wch382_2 }, + { PCIE_VENDOR_ID_WCH, PCIE_DEVICE_ID_WCH_CH384_4S, PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_wch384_4 }, diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index b645f9228ed7..fa49eb1e2fa2 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1165,7 +1165,7 @@ serial_omap_type(struct uart_port *port) #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) -static void wait_for_xmitr(struct uart_omap_port *up) +static void __maybe_unused wait_for_xmitr(struct uart_omap_port *up) { unsigned int status, tmout = 10000; @@ -1343,7 +1343,7 @@ static inline void serial_omap_add_console_port(struct uart_omap_port *up) /* Enable or disable the rs485 support */ static int -serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf) +serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485) { struct uart_omap_port *up = to_uart_omap_port(port); unsigned int mode; @@ -1356,8 +1356,12 @@ serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf) up->ier = 0; serial_out(up, UART_IER, 0); + /* Clamp the delays to [0, 100ms] */ + rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U); + rs485->delay_rts_after_send = min(rs485->delay_rts_after_send, 100U); + /* store new config */ - port->rs485 = *rs485conf; + port->rs485 = *rs485; /* * Just as a precaution, only allow rs485 diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 5cec01c75691..a7eacef1bd22 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2066,13 +2066,12 @@ retry_open: if (tty) { mutex_unlock(&tty_mutex); retval = tty_lock_interruptible(tty); + tty_kref_put(tty); /* drop kref from tty_driver_lookup_tty() */ if (retval) { if (retval == -EINTR) retval = -ERESTARTSYS; goto err_unref; } - /* safe to drop the kref from tty_driver_lookup_tty() */ - tty_kref_put(tty); retval = tty_reopen(tty); if (retval < 0) { tty_unlock(tty); diff --git a/drivers/tty/tty_mutex.c b/drivers/tty/tty_mutex.c index d2f3c4cd697f..dfa9ec03fa8e 100644 --- a/drivers/tty/tty_mutex.c +++ b/drivers/tty/tty_mutex.c @@ -21,10 +21,15 @@ EXPORT_SYMBOL(tty_lock); int tty_lock_interruptible(struct tty_struct *tty) { + int ret; + if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty)) return -EIO; tty_kref_get(tty); - return mutex_lock_interruptible(&tty->legacy_mutex); + ret = mutex_lock_interruptible(&tty->legacy_mutex); + if (ret) + tty_kref_put(tty); + return ret; } void __lockfunc tty_unlock(struct tty_struct *tty) diff --git a/drivers/usb/chipidea/ci_hdrc_pci.c b/drivers/usb/chipidea/ci_hdrc_pci.c index b59195edf636..b635ab67490d 100644 --- a/drivers/usb/chipidea/ci_hdrc_pci.c +++ b/drivers/usb/chipidea/ci_hdrc_pci.c @@ -85,8 +85,8 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev, /* register a nop PHY */ ci->phy = usb_phy_generic_register(); - if (!ci->phy) - return -ENOMEM; + if (IS_ERR(ci->phy)) + return PTR_ERR(ci->phy); memset(res, 0, sizeof(res)); res[0].start = pci_resource_start(pdev, 0); diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index a4f7db2e18dd..df47110bad2d 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -100,6 +100,9 @@ static ssize_t ci_port_test_write(struct file *file, const char __user *ubuf, if (sscanf(buf, "%u", &mode) != 1) return -EINVAL; + if (mode > 255) + return -EBADRQC; + pm_runtime_get_sync(ci->dev); spin_lock_irqsave(&ci->lock, flags); ret = hw_port_test_set(ci, mode); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 350dcd9af5d8..51b436918f78 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -5401,6 +5401,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev) } bos = udev->bos; + udev->bos = NULL; for (i = 0; i < SET_CONFIG_TRIES; ++i) { @@ -5493,11 +5494,8 @@ done: usb_set_usb2_hardware_lpm(udev, 1); usb_unlocked_enable_lpm(udev); usb_enable_ltm(udev); - /* release the new BOS descriptor allocated by hub_port_init() */ - if (udev->bos != bos) { - usb_release_bos_descriptor(udev); - udev->bos = bos; - } + usb_release_bos_descriptor(udev); + udev->bos = bos; return 0; re_enumerate: diff --git a/drivers/usb/dwc2/Kconfig b/drivers/usb/dwc2/Kconfig index fd95ba6ec317..f0decc0d69b5 100644 --- a/drivers/usb/dwc2/Kconfig +++ b/drivers/usb/dwc2/Kconfig @@ -1,5 +1,6 @@ config USB_DWC2 tristate "DesignWare USB2 DRD Core Support" + depends on HAS_DMA depends on USB || USB_GADGET help Say Y here if your system has a Dual Role Hi-Speed USB diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index 39a0fa8a4c0a..46c4ba75dc2a 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -572,12 +572,6 @@ static bool dwc2_force_mode(struct dwc2_hsotg *hsotg, bool host) set = host ? GUSBCFG_FORCEHOSTMODE : GUSBCFG_FORCEDEVMODE; clear = host ? GUSBCFG_FORCEDEVMODE : GUSBCFG_FORCEHOSTMODE; - /* - * If the force mode bit is already set, don't set it. - */ - if ((gusbcfg & set) && !(gusbcfg & clear)) - return false; - gusbcfg &= ~clear; gusbcfg |= set; dwc2_writel(gusbcfg, hsotg->regs + GUSBCFG); @@ -625,6 +619,12 @@ void dwc2_force_dr_mode(struct dwc2_hsotg *hsotg) __func__, hsotg->dr_mode); break; } + + /* + * NOTE: This is required for some rockchip soc based + * platforms. + */ + msleep(50); } /* @@ -3278,9 +3278,6 @@ static void dwc2_get_dev_hwparams(struct dwc2_hsotg *hsotg) /** * During device initialization, read various hardware configuration * registers and interpret the contents. - * - * This should be called during driver probe. It will perform a core - * soft reset in order to get the reset values of the parameters. */ int dwc2_get_hwparams(struct dwc2_hsotg *hsotg) { @@ -3288,7 +3285,6 @@ int dwc2_get_hwparams(struct dwc2_hsotg *hsotg) unsigned width; u32 hwcfg1, hwcfg2, hwcfg3, hwcfg4; u32 grxfsiz; - int retval; /* * Attempt to ensure this device is really a DWC_otg Controller. @@ -3308,10 +3304,6 @@ int dwc2_get_hwparams(struct dwc2_hsotg *hsotg) hw->snpsid >> 12 & 0xf, hw->snpsid >> 8 & 0xf, hw->snpsid >> 4 & 0xf, hw->snpsid & 0xf, hw->snpsid); - retval = dwc2_core_reset(hsotg); - if (retval) - return retval; - hwcfg1 = dwc2_readl(hsotg->regs + GHWCFG1); hwcfg2 = dwc2_readl(hsotg->regs + GHWCFG2); hwcfg3 = dwc2_readl(hsotg->regs + GHWCFG3); diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c index 36606fc33c0d..a41274aa52ad 100644 --- a/drivers/usb/dwc2/hcd_ddma.c +++ b/drivers/usb/dwc2/hcd_ddma.c @@ -1174,14 +1174,11 @@ static int dwc2_process_non_isoc_desc(struct dwc2_hsotg *hsotg, failed = dwc2_update_non_isoc_urb_state_ddma(hsotg, chan, qtd, dma_desc, halt_status, n_bytes, xfer_done); - if (*xfer_done && urb->status != -EINPROGRESS) - failed = 1; - - if (failed) { + if (failed || (*xfer_done && urb->status != -EINPROGRESS)) { dwc2_host_complete(hsotg, qtd, urb->status); dwc2_hcd_qtd_unlink_and_free(hsotg, qtd, qh); - dev_vdbg(hsotg->dev, "failed=%1x xfer_done=%1x status=%08x\n", - failed, *xfer_done, urb->status); + dev_vdbg(hsotg->dev, "failed=%1x xfer_done=%1x\n", + failed, *xfer_done); return failed; } @@ -1236,21 +1233,23 @@ static void dwc2_complete_non_isoc_xfer_ddma(struct dwc2_hsotg *hsotg, list_for_each_safe(qtd_item, qtd_tmp, &qh->qtd_list) { int i; + int qtd_desc_count; qtd = list_entry(qtd_item, struct dwc2_qtd, qtd_list_entry); xfer_done = 0; + qtd_desc_count = qtd->n_desc; - for (i = 0; i < qtd->n_desc; i++) { + for (i = 0; i < qtd_desc_count; i++) { if (dwc2_process_non_isoc_desc(hsotg, chan, chnum, qtd, desc_num, halt_status, - &xfer_done)) { - qtd = NULL; - break; - } + &xfer_done)) + goto stop_scan; + desc_num++; } } +stop_scan: if (qh->ep_type != USB_ENDPOINT_XFER_CONTROL) { /* * Resetting the data toggle for bulk and interrupt endpoints @@ -1258,7 +1257,7 @@ static void dwc2_complete_non_isoc_xfer_ddma(struct dwc2_hsotg *hsotg, */ if (halt_status == DWC2_HC_XFER_STALL) qh->data_toggle = DWC2_HC_PID_DATA0; - else if (qtd) + else dwc2_hcd_save_data_toggle(hsotg, chan, chnum, qtd); } diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c index f8253803a050..cadba8b13c48 100644 --- a/drivers/usb/dwc2/hcd_intr.c +++ b/drivers/usb/dwc2/hcd_intr.c @@ -525,11 +525,19 @@ void dwc2_hcd_save_data_toggle(struct dwc2_hsotg *hsotg, u32 pid = (hctsiz & TSIZ_SC_MC_PID_MASK) >> TSIZ_SC_MC_PID_SHIFT; if (chan->ep_type != USB_ENDPOINT_XFER_CONTROL) { + if (WARN(!chan || !chan->qh, + "chan->qh must be specified for non-control eps\n")) + return; + if (pid == TSIZ_SC_MC_PID_DATA0) chan->qh->data_toggle = DWC2_HC_PID_DATA0; else chan->qh->data_toggle = DWC2_HC_PID_DATA1; } else { + if (WARN(!qtd, + "qtd must be specified for control eps\n")) + return; + if (pid == TSIZ_SC_MC_PID_DATA0) qtd->data_toggle = DWC2_HC_PID_DATA0; else diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 510f787434b3..690b9fd98b55 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -530,7 +530,13 @@ static int dwc2_driver_probe(struct platform_device *dev) if (retval) return retval; - /* Reset the controller and detect hardware config values */ + /* + * Reset before dwc2_get_hwparams() then it could get power-on real + * reset value form registers. + */ + dwc2_core_reset_and_force_dr_mode(hsotg); + + /* Detect config values from hardware */ retval = dwc2_get_hwparams(hsotg); if (retval) goto error; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 29130682e547..e4f8b90d9627 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -856,7 +856,6 @@ struct dwc3 { unsigned pullups_connected:1; unsigned resize_fifos:1; unsigned setup_packet_pending:1; - unsigned start_config_issued:1; unsigned three_stage_setup:1; unsigned usb3_lpm_capable:1; diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 3a9354abcb68..8d6b75c2f53b 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -555,7 +555,6 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) int ret; u32 reg; - dwc->start_config_issued = false; cfg = le16_to_cpu(ctrl->wValue); switch (state) { @@ -737,10 +736,6 @@ static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_ISOCH_DELAY"); ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); break; - case USB_REQ_SET_INTERFACE: - dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_INTERFACE"); - dwc->start_config_issued = false; - /* Fall through */ default: dwc3_trace(trace_dwc3_ep0, "Forwarding to gadget driver"); ret = dwc3_ep0_delegate_req(dwc, ctrl); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index af023a81a0b0..2363bad45af8 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -385,24 +385,66 @@ static void dwc3_free_trb_pool(struct dwc3_ep *dep) dep->trb_pool_dma = 0; } +static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep); + +/** + * dwc3_gadget_start_config - Configure EP resources + * @dwc: pointer to our controller context structure + * @dep: endpoint that is being enabled + * + * The assignment of transfer resources cannot perfectly follow the + * data book due to the fact that the controller driver does not have + * all knowledge of the configuration in advance. It is given this + * information piecemeal by the composite gadget framework after every + * SET_CONFIGURATION and SET_INTERFACE. Trying to follow the databook + * programming model in this scenario can cause errors. For two + * reasons: + * + * 1) The databook says to do DEPSTARTCFG for every SET_CONFIGURATION + * and SET_INTERFACE (8.1.5). This is incorrect in the scenario of + * multiple interfaces. + * + * 2) The databook does not mention doing more DEPXFERCFG for new + * endpoint on alt setting (8.1.6). + * + * The following simplified method is used instead: + * + * All hardware endpoints can be assigned a transfer resource and this + * setting will stay persistent until either a core reset or + * hibernation. So whenever we do a DEPSTARTCFG(0) we can go ahead and + * do DEPXFERCFG for every hardware endpoint as well. We are + * guaranteed that there are as many transfer resources as endpoints. + * + * This function is called for each endpoint when it is being enabled + * but is triggered only when called for EP0-out, which always happens + * first, and which should only happen in one of the above conditions. + */ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep) { struct dwc3_gadget_ep_cmd_params params; u32 cmd; + int i; + int ret; + + if (dep->number) + return 0; memset(¶ms, 0x00, sizeof(params)); + cmd = DWC3_DEPCMD_DEPSTARTCFG; - if (dep->number != 1) { - cmd = DWC3_DEPCMD_DEPSTARTCFG; - /* XferRscIdx == 0 for ep0 and 2 for the remaining */ - if (dep->number > 1) { - if (dwc->start_config_issued) - return 0; - dwc->start_config_issued = true; - cmd |= DWC3_DEPCMD_PARAM(2); - } + ret = dwc3_send_gadget_ep_cmd(dwc, 0, cmd, ¶ms); + if (ret) + return ret; - return dwc3_send_gadget_ep_cmd(dwc, 0, cmd, ¶ms); + for (i = 0; i < DWC3_ENDPOINTS_NUM; i++) { + struct dwc3_ep *dep = dwc->eps[i]; + + if (!dep) + continue; + + ret = dwc3_gadget_set_xfer_resource(dwc, dep); + if (ret) + return ret; } return 0; @@ -516,10 +558,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, struct dwc3_trb *trb_st_hw; struct dwc3_trb *trb_link; - ret = dwc3_gadget_set_xfer_resource(dwc, dep); - if (ret) - return ret; - dep->endpoint.desc = desc; dep->comp_desc = comp_desc; dep->type = usb_endpoint_type(desc); @@ -1636,8 +1674,6 @@ static int dwc3_gadget_start(struct usb_gadget *g, } dwc3_writel(dwc->regs, DWC3_DCFG, reg); - dwc->start_config_issued = false; - /* Start with SuperSpeed Default */ dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); @@ -2237,7 +2273,6 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_DCTL, reg); dwc3_disconnect_gadget(dwc); - dwc->start_config_issued = false; dwc->gadget.speed = USB_SPEED_UNKNOWN; dwc->setup_packet_pending = false; @@ -2288,7 +2323,6 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) dwc3_stop_active_transfers(dwc); dwc3_clear_stall_all_ep(dwc); - dwc->start_config_issued = false; /* Reset device address to zero */ reg = dwc3_readl(dwc->regs, DWC3_DCFG); @@ -2789,6 +2823,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) dwc->gadget.speed = USB_SPEED_UNKNOWN; dwc->gadget.sg_supported = true; dwc->gadget.name = "dwc3-gadget"; + dwc->gadget.is_otg = dwc->dr_mode == USB_DR_MODE_OTG; /* * FIXME We might be setting max_speed to <SUPER, however versions diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 7e179f81d05c..87fb0fd6aaab 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -130,7 +130,8 @@ struct dev_data { setup_can_stall : 1, setup_out_ready : 1, setup_out_error : 1, - setup_abort : 1; + setup_abort : 1, + gadget_registered : 1; unsigned setup_wLength; /* the rest is basically write-once */ @@ -1179,7 +1180,8 @@ dev_release (struct inode *inode, struct file *fd) /* closing ep0 === shutdown all */ - usb_gadget_unregister_driver (&gadgetfs_driver); + if (dev->gadget_registered) + usb_gadget_unregister_driver (&gadgetfs_driver); /* at this point "good" hardware has disconnected the * device from USB; the host won't see it any more. @@ -1847,6 +1849,7 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) * kick in after the ep0 descriptor is closed. */ value = len; + dev->gadget_registered = true; } return value; diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index 53c0692f1b09..93d28cb00b76 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -2340,7 +2340,7 @@ static struct qe_udc *qe_udc_config(struct platform_device *ofdev) { struct qe_udc *udc; struct device_node *np = ofdev->dev.of_node; - unsigned int tmp_addr = 0; + unsigned long tmp_addr = 0; struct usb_device_para __iomem *usbpram; unsigned int i; u64 size; diff --git a/drivers/usb/gadget/udc/net2280.h b/drivers/usb/gadget/udc/net2280.h index 4dff60d34f73..0d32052bf16f 100644 --- a/drivers/usb/gadget/udc/net2280.h +++ b/drivers/usb/gadget/udc/net2280.h @@ -369,9 +369,20 @@ static inline void set_max_speed(struct net2280_ep *ep, u32 max) static const u32 ep_enhanced[9] = { 0x10, 0x60, 0x30, 0x80, 0x50, 0x20, 0x70, 0x40, 0x90 }; - if (ep->dev->enhanced_mode) + if (ep->dev->enhanced_mode) { reg = ep_enhanced[ep->num]; - else{ + switch (ep->dev->gadget.speed) { + case USB_SPEED_SUPER: + reg += 2; + break; + case USB_SPEED_FULL: + reg += 1; + break; + case USB_SPEED_HIGH: + default: + break; + } + } else { reg = (ep->num + 1) * 0x10; if (ep->dev->gadget.speed != USB_SPEED_HIGH) reg += 1; diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index fd73a3ea07c2..b86a6f03592e 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -413,9 +413,10 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget, if (!driver->udc_name || strcmp(driver->udc_name, dev_name(&udc->dev)) == 0) { ret = udc_bind_to_driver(udc, driver); + if (ret != -EPROBE_DEFER) + list_del(&driver->pending); if (ret) goto err4; - list_del(&driver->pending); break; } } diff --git a/drivers/usb/host/xhci-ext-caps.h b/drivers/usb/host/xhci-ext-caps.h index 04ce6b156b35..e0244fb3903d 100644 --- a/drivers/usb/host/xhci-ext-caps.h +++ b/drivers/usb/host/xhci-ext-caps.h @@ -112,12 +112,16 @@ static inline int xhci_find_next_ext_cap(void __iomem *base, u32 start, int id) offset = start; if (!start || start == XHCI_HCC_PARAMS_OFFSET) { val = readl(base + XHCI_HCC_PARAMS_OFFSET); + if (val == ~0) + return 0; offset = XHCI_HCC_EXT_CAPS(val) << 2; if (!offset) return 0; }; do { val = readl(base + offset); + if (val == ~0) + return 0; if (XHCI_EXT_CAPS_ID(val) == id && offset != start) return offset; diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index c30de7c39f44..73f763c4f5f5 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -275,8 +275,9 @@ static bool need_bw_sch(struct usb_host_endpoint *ep, return false; /* - * for LS & FS periodic endpoints which its device don't attach - * to TT are also ignored, root-hub will schedule them directly + * for LS & FS periodic endpoints which its device is not behind + * a TT are also ignored, root-hub will schedule them directly, + * but need set @bpkts field of endpoint context to 1. */ if (is_fs_or_ls(speed) && !has_tt) return false; @@ -339,8 +340,17 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev, GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)), usb_endpoint_dir_in(&ep->desc), ep); - if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) + if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) { + /* + * set @bpkts to 1 if it is LS or FS periodic endpoint, and its + * device does not connected through an external HS hub + */ + if (usb_endpoint_xfer_int(&ep->desc) + || usb_endpoint_xfer_isoc(&ep->desc)) + ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(1)); + return 0; + } bw_index = get_bw_index(xhci, udev, ep); sch_bw = &sch_array[bw_index]; diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index c9ab6a44c34a..9532f5aef71b 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -696,9 +696,24 @@ static int xhci_mtk_remove(struct platform_device *dev) } #ifdef CONFIG_PM_SLEEP +/* + * if ip sleep fails, and all clocks are disabled, access register will hang + * AHB bus, so stop polling roothubs to avoid regs access on bus suspend. + * and no need to check whether ip sleep failed or not; this will cause SPM + * to wake up system immediately after system suspend complete if ip sleep + * fails, it is what we wanted. + */ static int xhci_mtk_suspend(struct device *dev) { struct xhci_hcd_mtk *mtk = dev_get_drvdata(dev); + struct usb_hcd *hcd = mtk->hcd; + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + + xhci_dbg(xhci, "%s: stop port polling\n", __func__); + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + del_timer_sync(&hcd->rh_timer); + clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags); + del_timer_sync(&xhci->shared_hcd->rh_timer); xhci_mtk_host_disable(mtk); xhci_mtk_phy_power_off(mtk); @@ -710,11 +725,19 @@ static int xhci_mtk_suspend(struct device *dev) static int xhci_mtk_resume(struct device *dev) { struct xhci_hcd_mtk *mtk = dev_get_drvdata(dev); + struct usb_hcd *hcd = mtk->hcd; + struct xhci_hcd *xhci = hcd_to_xhci(hcd); usb_wakeup_disable(mtk); xhci_mtk_clks_enable(mtk); xhci_mtk_phy_power_on(mtk); xhci_mtk_host_enable(mtk); + + xhci_dbg(xhci, "%s: restart port polling\n", __func__); + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); + usb_hcd_poll_rh_status(hcd); + set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags); + usb_hcd_poll_rh_status(xhci->shared_hcd); return 0; } diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 58c43ed7ff3b..f0640b7a1c42 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -28,7 +28,9 @@ #include "xhci.h" #include "xhci-trace.h" -#define PORT2_SSIC_CONFIG_REG2 0x883c +#define SSIC_PORT_NUM 2 +#define SSIC_PORT_CFG2 0x880c +#define SSIC_PORT_CFG2_OFFSET 0x30 #define PROG_DONE (1 << 30) #define SSIC_PORT_UNUSED (1 << 31) @@ -45,6 +47,7 @@ #define PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI 0x22b5 #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI 0xa12f #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI 0x9d2f +#define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI 0x0aa8 static const char hcd_name[] = "xhci_hcd"; @@ -151,9 +154,14 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI)) { + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI)) { xhci->quirks |= XHCI_PME_STUCK_QUIRK; } + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { + xhci->quirks |= XHCI_SSIC_PORT_UNUSED; + } if (pdev->vendor == PCI_VENDOR_ID_ETRON && pdev->device == PCI_DEVICE_ID_EJ168) { xhci->quirks |= XHCI_RESET_ON_RESUME; @@ -312,22 +320,20 @@ static void xhci_pci_remove(struct pci_dev *dev) * SSIC PORT need to be marked as "unused" before putting xHCI * into D3. After D3 exit, the SSIC port need to be marked as "used". * Without this change, xHCI might not enter D3 state. - * Make sure PME works on some Intel xHCI controllers by writing 1 to clear - * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 */ -static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend) +static void xhci_ssic_port_unused_quirk(struct usb_hcd *hcd, bool suspend) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); - struct pci_dev *pdev = to_pci_dev(hcd->self.controller); u32 val; void __iomem *reg; + int i; - if (pdev->vendor == PCI_VENDOR_ID_INTEL && - pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { - - reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2; + for (i = 0; i < SSIC_PORT_NUM; i++) { + reg = (void __iomem *) xhci->cap_regs + + SSIC_PORT_CFG2 + + i * SSIC_PORT_CFG2_OFFSET; - /* Notify SSIC that SSIC profile programming is not done */ + /* Notify SSIC that SSIC profile programming is not done. */ val = readl(reg) & ~PROG_DONE; writel(val, reg); @@ -344,6 +350,17 @@ static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend) writel(val, reg); readl(reg); } +} + +/* + * Make sure PME works on some Intel xHCI controllers by writing 1 to clear + * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 + */ +static void xhci_pme_quirk(struct usb_hcd *hcd) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + void __iomem *reg; + u32 val; reg = (void __iomem *) xhci->cap_regs + 0x80a4; val = readl(reg); @@ -355,6 +372,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct pci_dev *pdev = to_pci_dev(hcd->self.controller); + int ret; /* * Systems with the TI redriver that loses port status change events @@ -364,9 +382,16 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) pdev->no_d3cold = true; if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(hcd, true); + xhci_pme_quirk(hcd); + + if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) + xhci_ssic_port_unused_quirk(hcd, true); - return xhci_suspend(xhci, do_wakeup); + ret = xhci_suspend(xhci, do_wakeup); + if (ret && (xhci->quirks & XHCI_SSIC_PORT_UNUSED)) + xhci_ssic_port_unused_quirk(hcd, false); + + return ret; } static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) @@ -396,8 +421,11 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) if (pdev->vendor == PCI_VENDOR_ID_INTEL) usb_enable_intel_xhci_ports(pdev); + if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) + xhci_ssic_port_unused_quirk(hcd, false); + if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(hcd, false); + xhci_pme_quirk(hcd); retval = xhci_resume(xhci, hibernated); return retval; diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 770b6b088797..d39d6bf1d090 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -184,7 +184,8 @@ static int xhci_plat_probe(struct platform_device *pdev) struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); /* Just copy data for now */ - *priv = *priv_match; + if (priv_match) + *priv = *priv_match; } if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_MARVELL_ARMADA)) { diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index f1c21c40b4a6..3915657e6078 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2193,10 +2193,6 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, } /* Fast path - was this the last TRB in the TD for this URB? */ } else if (event_trb == td->last_trb) { - if (td->urb_length_set && trb_comp_code == COMP_SHORT_TX) - return finish_td(xhci, td, event_trb, event, ep, - status, false); - if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { td->urb->actual_length = td->urb->transfer_buffer_length - @@ -2248,12 +2244,6 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, td->urb->actual_length += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) - EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); - - if (trb_comp_code == COMP_SHORT_TX) { - xhci_dbg(xhci, "mid bulk/intr SP, wait for last TRB event\n"); - td->urb_length_set = true; - return 0; - } } return finish_td(xhci, td, event_trb, event, ep, status, false); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 26a44c0e969e..0c8087d3c313 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1554,7 +1554,9 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "HW died, freeing TD."); urb_priv = urb->hcpriv; - for (i = urb_priv->td_cnt; i < urb_priv->length; i++) { + for (i = urb_priv->td_cnt; + i < urb_priv->length && xhci->devs[urb->dev->slot_id]; + i++) { td = urb_priv->td[i]; if (!list_empty(&td->td_list)) list_del_init(&td->td_list); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 9be7348872ba..cc651383ce5a 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1631,6 +1631,7 @@ struct xhci_hcd { #define XHCI_BROKEN_STREAMS (1 << 19) #define XHCI_PME_STUCK_QUIRK (1 << 20) #define XHCI_MTK_HOST (1 << 21) +#define XHCI_SSIC_PORT_UNUSED (1 << 22) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 795a45b1b25b..58487a473521 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -662,7 +662,7 @@ static int musb_tx_dma_set_mode_mentor(struct dma_controller *dma, csr &= ~(MUSB_TXCSR_AUTOSET | MUSB_TXCSR_DMAMODE); csr |= MUSB_TXCSR_DMAENAB; /* against programmer's guide */ } - channel->desired_mode = mode; + channel->desired_mode = *mode; musb_writew(epio, MUSB_TXCSR, csr); return 0; @@ -2003,10 +2003,8 @@ void musb_host_rx(struct musb *musb, u8 epnum) qh->offset, urb->transfer_buffer_length); - done = musb_rx_dma_in_inventra_cppi41(c, hw_ep, qh, - urb, xfer_len, - iso_err); - if (done) + if (musb_rx_dma_in_inventra_cppi41(c, hw_ep, qh, urb, + xfer_len, iso_err)) goto finish; else dev_err(musb->controller, "error: rx_dma failed\n"); diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index b2685e75a683..3eaa4ba6867d 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -348,7 +348,9 @@ static int ux500_suspend(struct device *dev) struct ux500_glue *glue = dev_get_drvdata(dev); struct musb *musb = glue_to_musb(glue); - usb_phy_set_suspend(musb->xceiv, 1); + if (musb) + usb_phy_set_suspend(musb->xceiv, 1); + clk_disable_unprepare(glue->clk); return 0; @@ -366,7 +368,8 @@ static int ux500_resume(struct device *dev) return ret; } - usb_phy_set_suspend(musb->xceiv, 0); + if (musb) + usb_phy_set_suspend(musb->xceiv, 0); return 0; } diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index 0d19a6d61a71..72b387d592c2 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -757,14 +757,8 @@ static int msm_otg_set_host(struct usb_otg *otg, struct usb_bus *host) otg->host = host; dev_dbg(otg->usb_phy->dev, "host driver registered w/ tranceiver\n"); - /* - * Kick the state machine work, if peripheral is not supported - * or peripheral is already registered with us. - */ - if (motg->pdata->mode == USB_DR_MODE_HOST || otg->gadget) { - pm_runtime_get_sync(otg->usb_phy->dev); - schedule_work(&motg->sm_work); - } + pm_runtime_get_sync(otg->usb_phy->dev); + schedule_work(&motg->sm_work); return 0; } @@ -827,14 +821,8 @@ static int msm_otg_set_peripheral(struct usb_otg *otg, dev_dbg(otg->usb_phy->dev, "peripheral driver registered w/ tranceiver\n"); - /* - * Kick the state machine work, if host is not supported - * or host is already registered with us. - */ - if (motg->pdata->mode == USB_DR_MODE_PERIPHERAL || otg->host) { - pm_runtime_get_sync(otg->usb_phy->dev); - schedule_work(&motg->sm_work); - } + pm_runtime_get_sync(otg->usb_phy->dev); + schedule_work(&motg->sm_work); return 0; } @@ -1599,6 +1587,8 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) &motg->id.nb); if (ret < 0) { dev_err(&pdev->dev, "register ID notifier failed\n"); + extcon_unregister_notifier(motg->vbus.extcon, + EXTCON_USB, &motg->vbus.nb); return ret; } @@ -1660,15 +1650,6 @@ static int msm_otg_probe(struct platform_device *pdev) if (!motg) return -ENOMEM; - pdata = dev_get_platdata(&pdev->dev); - if (!pdata) { - if (!np) - return -ENXIO; - ret = msm_otg_read_dt(pdev, motg); - if (ret) - return ret; - } - motg->phy.otg = devm_kzalloc(&pdev->dev, sizeof(struct usb_otg), GFP_KERNEL); if (!motg->phy.otg) @@ -1710,6 +1691,15 @@ static int msm_otg_probe(struct platform_device *pdev) if (!motg->regs) return -ENOMEM; + pdata = dev_get_platdata(&pdev->dev); + if (!pdata) { + if (!np) + return -ENXIO; + ret = msm_otg_read_dt(pdev, motg); + if (ret) + return ret; + } + /* * NOTE: The PHYs can be multiplexed between the chipidea controller * and the dwc3 controller, using a single bit. It is important that @@ -1717,8 +1707,10 @@ static int msm_otg_probe(struct platform_device *pdev) */ if (motg->phy_number) { phy_select = devm_ioremap_nocache(&pdev->dev, USB2_PHY_SEL, 4); - if (!phy_select) - return -ENOMEM; + if (!phy_select) { + ret = -ENOMEM; + goto unregister_extcon; + } /* Enable second PHY with the OTG port */ writel(0x1, phy_select); } @@ -1728,7 +1720,8 @@ static int msm_otg_probe(struct platform_device *pdev) motg->irq = platform_get_irq(pdev, 0); if (motg->irq < 0) { dev_err(&pdev->dev, "platform_get_irq failed\n"); - return motg->irq; + ret = motg->irq; + goto unregister_extcon; } regs[0].supply = "vddcx"; @@ -1737,7 +1730,7 @@ static int msm_otg_probe(struct platform_device *pdev) ret = devm_regulator_bulk_get(motg->phy.dev, ARRAY_SIZE(regs), regs); if (ret) - return ret; + goto unregister_extcon; motg->vddcx = regs[0].consumer; motg->v3p3 = regs[1].consumer; @@ -1834,6 +1827,12 @@ disable_clks: clk_disable_unprepare(motg->clk); if (!IS_ERR(motg->core_clk)) clk_disable_unprepare(motg->core_clk); +unregister_extcon: + extcon_unregister_notifier(motg->id.extcon, + EXTCON_USB_HOST, &motg->id.nb); + extcon_unregister_notifier(motg->vbus.extcon, + EXTCON_USB, &motg->vbus.nb); + return ret; } diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index c2936dc48ca7..00bfea01be65 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -220,7 +220,7 @@ static int mxs_phy_hw_init(struct mxs_phy *mxs_phy) /* Return true if the vbus is there */ static bool mxs_phy_get_vbus_status(struct mxs_phy *mxs_phy) { - unsigned int vbus_value; + unsigned int vbus_value = 0; if (!mxs_phy->regmap_anatop) return false; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 987813b8a7f9..7c319e7edda2 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -163,6 +163,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */ { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */ { USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */ + { USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */ + { USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ { USB_DEVICE(0x1BA4, 0x0002) }, /* Silicon Labs 358x factory default */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index db86e512e0fc..8849439a8f18 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -315,6 +315,7 @@ static void option_instat_callback(struct urb *urb); #define TOSHIBA_PRODUCT_G450 0x0d45 #define ALINK_VENDOR_ID 0x1e0e +#define SIMCOM_PRODUCT_SIM7100E 0x9001 /* Yes, ALINK_VENDOR_ID */ #define ALINK_PRODUCT_PH300 0x9100 #define ALINK_PRODUCT_3GU 0x9200 @@ -607,6 +608,10 @@ static const struct option_blacklist_info zte_1255_blacklist = { .reserved = BIT(3) | BIT(4), }; +static const struct option_blacklist_info simcom_sim7100e_blacklist = { + .reserved = BIT(5) | BIT(6), +}; + static const struct option_blacklist_info telit_le910_blacklist = { .sendsetup = BIT(0), .reserved = BIT(1) | BIT(2), @@ -1122,6 +1127,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) }, { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) }, { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */ + { USB_DEVICE_AND_INTERFACE_INFO(QUALCOMM_VENDOR_ID, 0x6001, 0xff, 0xff, 0xff), /* 4G LTE usb-modem U901 */ + .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ @@ -1645,6 +1652,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(ALINK_VENDOR_ID, 0x9000) }, { USB_DEVICE(ALINK_VENDOR_ID, ALINK_PRODUCT_PH300) }, { USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) }, + { USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E), + .driver_info = (kernel_ulong_t)&simcom_sim7100e_blacklist }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = (kernel_ulong_t)&alcatel_x200_blacklist }, diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 2760a7ba3f30..8c80a48e3233 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -446,7 +446,8 @@ static long vfio_pci_ioctl(void *device_data, info.num_regions = VFIO_PCI_NUM_REGIONS; info.num_irqs = VFIO_PCI_NUM_IRQS; - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_GET_REGION_INFO) { struct pci_dev *pdev = vdev->pdev; @@ -520,7 +521,8 @@ static long vfio_pci_ioctl(void *device_data, return -EINVAL; } - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_GET_IRQ_INFO) { struct vfio_irq_info info; @@ -555,7 +557,8 @@ static long vfio_pci_ioctl(void *device_data, else info.flags |= VFIO_IRQ_INFO_NORESIZE; - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_SET_IRQS) { struct vfio_irq_set hdr; diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index 418cdd9ba3f4..e65b142d3422 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -219,7 +219,8 @@ static long vfio_platform_ioctl(void *device_data, info.num_regions = vdev->num_regions; info.num_irqs = vdev->num_irqs; - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_GET_REGION_INFO) { struct vfio_region_info info; @@ -240,7 +241,8 @@ static long vfio_platform_ioctl(void *device_data, info.size = vdev->regions[info.index].size; info.flags = vdev->regions[info.index].flags; - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_GET_IRQ_INFO) { struct vfio_irq_info info; @@ -259,7 +261,8 @@ static long vfio_platform_ioctl(void *device_data, info.flags = vdev->irqs[info.index].flags; info.count = vdev->irqs[info.index].count; - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_SET_IRQS) { struct vfio_irq_set hdr; diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 6f1ea3dddbad..75b24e93cedb 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -999,7 +999,8 @@ static long vfio_iommu_type1_ioctl(void *iommu_data, info.iova_pgsizes = vfio_pgsize_bitmap(iommu); - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_IOMMU_MAP_DMA) { struct vfio_iommu_type1_dma_map map; @@ -1032,7 +1033,8 @@ static long vfio_iommu_type1_ioctl(void *iommu_data, if (ret) return ret; - return copy_to_user((void __user *)arg, &unmap, minsz); + return copy_to_user((void __user *)arg, &unmap, minsz) ? + -EFAULT : 0; } return -ENOTTY; diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index ad2146a9ab2d..236553e81027 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1156,6 +1156,8 @@ int vhost_init_used(struct vhost_virtqueue *vq) { __virtio16 last_used_idx; int r; + bool is_le = vq->is_le; + if (!vq->private_data) { vq->is_le = virtio_legacy_is_little_endian(); return 0; @@ -1165,15 +1167,20 @@ int vhost_init_used(struct vhost_virtqueue *vq) r = vhost_update_used_flags(vq); if (r) - return r; + goto err; vq->signalled_used_valid = false; - if (!access_ok(VERIFY_READ, &vq->used->idx, sizeof vq->used->idx)) - return -EFAULT; + if (!access_ok(VERIFY_READ, &vq->used->idx, sizeof vq->used->idx)) { + r = -EFAULT; + goto err; + } r = __get_user(last_used_idx, &vq->used->idx); if (r) - return r; + goto err; vq->last_used_idx = vhost16_to_cpu(vq, last_used_idx); return 0; +err: + vq->is_le = is_le; + return r; } EXPORT_SYMBOL_GPL(vhost_init_used); diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 92f394927f24..6e92917ba77a 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -709,6 +709,7 @@ static int con2fb_acquire_newinfo(struct vc_data *vc, struct fb_info *info, } if (!err) { + ops->cur_blink_jiffies = HZ / 5; info->fbcon_par = ops; if (vc) @@ -956,6 +957,7 @@ static const char *fbcon_startup(void) ops->currcon = -1; ops->graphics = 1; ops->cur_rotate = -1; + ops->cur_blink_jiffies = HZ / 5; info->fbcon_par = ops; p->con_rotate = initial_rotation; set_blitting_type(vc, info); diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c index 0081725c6b5b..6b2a06d09f2b 100644 --- a/drivers/video/fbdev/da8xx-fb.c +++ b/drivers/video/fbdev/da8xx-fb.c @@ -152,7 +152,7 @@ static void lcdc_write(unsigned int val, unsigned int addr) struct da8xx_fb_par { struct device *dev; - resource_size_t p_palette_base; + dma_addr_t p_palette_base; unsigned char *v_palette_base; dma_addr_t vram_phys; unsigned long vram_size; @@ -1428,7 +1428,7 @@ static int fb_probe(struct platform_device *device) par->vram_virt = dma_alloc_coherent(NULL, par->vram_size, - (resource_size_t *) &par->vram_phys, + &par->vram_phys, GFP_KERNEL | GFP_DMA); if (!par->vram_virt) { dev_err(&device->dev, @@ -1448,7 +1448,7 @@ static int fb_probe(struct platform_device *device) /* allocate palette buffer */ par->v_palette_base = dma_zalloc_coherent(NULL, PALETTE_SIZE, - (resource_size_t *)&par->p_palette_base, + &par->p_palette_base, GFP_KERNEL | GFP_DMA); if (!par->v_palette_base) { dev_err(&device->dev, diff --git a/drivers/video/fbdev/exynos/s6e8ax0.c b/drivers/video/fbdev/exynos/s6e8ax0.c index 95873f26e39c..de2f3e793786 100644 --- a/drivers/video/fbdev/exynos/s6e8ax0.c +++ b/drivers/video/fbdev/exynos/s6e8ax0.c @@ -829,8 +829,7 @@ static int s6e8ax0_probe(struct mipi_dsim_lcd_device *dsim_dev) return 0; } -#ifdef CONFIG_PM -static int s6e8ax0_suspend(struct mipi_dsim_lcd_device *dsim_dev) +static int __maybe_unused s6e8ax0_suspend(struct mipi_dsim_lcd_device *dsim_dev) { struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); @@ -843,7 +842,7 @@ static int s6e8ax0_suspend(struct mipi_dsim_lcd_device *dsim_dev) return 0; } -static int s6e8ax0_resume(struct mipi_dsim_lcd_device *dsim_dev) +static int __maybe_unused s6e8ax0_resume(struct mipi_dsim_lcd_device *dsim_dev) { struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); @@ -855,10 +854,6 @@ static int s6e8ax0_resume(struct mipi_dsim_lcd_device *dsim_dev) return 0; } -#else -#define s6e8ax0_suspend NULL -#define s6e8ax0_resume NULL -#endif static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = { .name = "s6e8ax0", @@ -867,8 +862,8 @@ static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = { .power_on = s6e8ax0_power_on, .set_sequence = s6e8ax0_set_sequence, .probe = s6e8ax0_probe, - .suspend = s6e8ax0_suspend, - .resume = s6e8ax0_resume, + .suspend = IS_ENABLED(CONFIG_PM) ? s6e8ax0_suspend : NULL, + .resume = IS_ENABLED(CONFIG_PM) ? s6e8ax0_resume : NULL, }; static int s6e8ax0_init(void) diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index cee88603efc9..bb2f1e866020 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -902,6 +902,21 @@ static int imxfb_probe(struct platform_device *pdev) goto failed_getclock; } + /* + * The LCDC controller does not have an enable bit. The + * controller starts directly when the clocks are enabled. + * If the clocks are enabled when the controller is not yet + * programmed with proper register values (enabled at the + * bootloader, for example) then it just goes into some undefined + * state. + * To avoid this issue, let's enable and disable LCDC IPG clock + * so that we force some kind of 'reset' to the LCDC block. + */ + ret = clk_prepare_enable(fbi->clk_ipg); + if (ret) + goto failed_getclock; + clk_disable_unprepare(fbi->clk_ipg); + fbi->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); if (IS_ERR(fbi->clk_ahb)) { ret = PTR_ERR(fbi->clk_ahb); diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c index de54a4748065..b6f83d5df9fd 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c @@ -503,8 +503,7 @@ static int mmphw_probe(struct platform_device *pdev) ctrl->reg_base = devm_ioremap_nocache(ctrl->dev, res->start, resource_size(res)); if (ctrl->reg_base == NULL) { - dev_err(ctrl->dev, "%s: res %x - %x map failed\n", __func__, - res->start, res->end); + dev_err(ctrl->dev, "%s: res %pR map failed\n", __func__, res); ret = -ENOMEM; goto failed; } diff --git a/drivers/video/fbdev/ocfb.c b/drivers/video/fbdev/ocfb.c index c9293aea8ec3..a970edc2a6f8 100644 --- a/drivers/video/fbdev/ocfb.c +++ b/drivers/video/fbdev/ocfb.c @@ -123,11 +123,11 @@ static int ocfb_setupfb(struct ocfb_dev *fbdev) /* Horizontal timings */ ocfb_writereg(fbdev, OCFB_HTIM, (var->hsync_len - 1) << 24 | - (var->right_margin - 1) << 16 | (var->xres - 1)); + (var->left_margin - 1) << 16 | (var->xres - 1)); /* Vertical timings */ ocfb_writereg(fbdev, OCFB_VTIM, (var->vsync_len - 1) << 24 | - (var->lower_margin - 1) << 16 | (var->yres - 1)); + (var->upper_margin - 1) << 16 | (var->yres - 1)); /* Total length of frame */ hlen = var->left_margin + var->right_margin + var->hsync_len + diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index c0c11fad4611..7760fc1a2218 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -679,7 +679,7 @@ int virtio_pci_modern_probe(struct virtio_pci_device *vp_dev) pci_read_config_dword(pci_dev, notify + offsetof(struct virtio_pci_notify_cap, - cap.length), + cap.offset), ¬ify_offset); /* We don't know how many VQs we'll map, ahead of the time. diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 4f0e7be0da34..80825a7e8e48 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -145,7 +145,8 @@ config MENF21BMC_WATCHDOG config TANGOX_WATCHDOG tristate "Sigma Designs SMP86xx/SMP87xx watchdog" select WATCHDOG_CORE - depends on ARCH_TANGOX || COMPILE_TEST + depends on ARCH_TANGO || COMPILE_TEST + depends on HAS_IOMEM help Support for the watchdog in Sigma Designs SMP86xx (tango3) and SMP87xx (tango4) family chips. @@ -618,6 +619,7 @@ config DIGICOLOR_WATCHDOG config LPC18XX_WATCHDOG tristate "LPC18xx/43xx Watchdog" depends on ARCH_LPC18XX || COMPILE_TEST + depends on HAS_IOMEM select WATCHDOG_CORE help Say Y here if to include support for the watchdog timer @@ -1374,6 +1376,7 @@ config BCM_KONA_WDT_DEBUG config BCM7038_WDT tristate "BCM7038 Watchdog" select WATCHDOG_CORE + depends on HAS_IOMEM help Watchdog driver for the built-in hardware in Broadcom 7038 SoCs. @@ -1383,6 +1386,7 @@ config IMGPDC_WDT tristate "Imagination Technologies PDC Watchdog Timer" depends on HAS_IOMEM depends on METAG || MIPS || COMPILE_TEST + select WATCHDOG_CORE help Driver for Imagination Technologies PowerDown Controller Watchdog Timer. @@ -1565,6 +1569,17 @@ config WATCHDOG_RIO machines. The watchdog timeout period is normally one minute but can be changed with a boot-time parameter. +config WATCHDOG_SUN4V + tristate "Sun4v Watchdog support" + select WATCHDOG_CORE + depends on SPARC64 + help + Say Y here to support the hypervisor watchdog capability embedded + in the SPARC sun4v architecture. + + To compile this driver as a module, choose M here. The module will + be called sun4v_wdt. + # XTENSA Architecture # Xen Architecture diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index f566753256ab..f6a6a387c6c7 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -179,6 +179,7 @@ obj-$(CONFIG_SH_WDT) += shwdt.o obj-$(CONFIG_WATCHDOG_RIO) += riowd.o obj-$(CONFIG_WATCHDOG_CP1XXX) += cpwd.o +obj-$(CONFIG_WATCHDOG_SUN4V) += sun4v_wdt.o # XTENSA Architecture diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c index f36ca4be0720..ac5840d9689a 100644 --- a/drivers/watchdog/max63xx_wdt.c +++ b/drivers/watchdog/max63xx_wdt.c @@ -292,4 +292,4 @@ MODULE_PARM_DESC(nodelay, "Force selection of a timeout setting without initial delay " "(max6373/74 only, default=0)"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c index 1a11aedc4fe8..68952d9ccf83 100644 --- a/drivers/watchdog/pcwd_usb.c +++ b/drivers/watchdog/pcwd_usb.c @@ -608,7 +608,7 @@ static int usb_pcwd_probe(struct usb_interface *interface, struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; struct usb_pcwd_private *usb_pcwd = NULL; - int pipe, maxp; + int pipe; int retval = -ENOMEM; int got_fw_rev; unsigned char fw_rev_major, fw_rev_minor; @@ -641,7 +641,6 @@ static int usb_pcwd_probe(struct usb_interface *interface, /* get a handle to the interrupt data pipe */ pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress); - maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); /* allocate memory for our device and initialize it */ usb_pcwd = kzalloc(sizeof(struct usb_pcwd_private), GFP_KERNEL); diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index 01d816251302..e7a715e82021 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -139,12 +139,11 @@ static int wdt_config(struct watchdog_device *wdd, bool ping) writel_relaxed(UNLOCK, wdt->base + WDTLOCK); writel_relaxed(wdt->load_val, wdt->base + WDTLOAD); + writel_relaxed(INT_MASK, wdt->base + WDTINTCLR); - if (!ping) { - writel_relaxed(INT_MASK, wdt->base + WDTINTCLR); + if (!ping) writel_relaxed(INT_ENABLE | RESET_ENABLE, wdt->base + WDTCONTROL); - } writel_relaxed(LOCK, wdt->base + WDTLOCK); diff --git a/drivers/watchdog/sun4v_wdt.c b/drivers/watchdog/sun4v_wdt.c new file mode 100644 index 000000000000..1467fe50a76f --- /dev/null +++ b/drivers/watchdog/sun4v_wdt.c @@ -0,0 +1,191 @@ +/* + * sun4v watchdog timer + * (c) Copyright 2016 Oracle Corporation + * + * Implement a simple watchdog driver using the built-in sun4v hypervisor + * watchdog support. If time expires, the hypervisor stops or bounces + * the guest domain. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/watchdog.h> +#include <asm/hypervisor.h> +#include <asm/mdesc.h> + +#define WDT_TIMEOUT 60 +#define WDT_MAX_TIMEOUT 31536000 +#define WDT_MIN_TIMEOUT 1 +#define WDT_DEFAULT_RESOLUTION_MS 1000 /* 1 second */ + +static unsigned int timeout; +module_param(timeout, uint, 0); +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (default=" + __MODULE_STRING(WDT_TIMEOUT) ")"); + +static bool nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, bool, S_IRUGO); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + +static int sun4v_wdt_stop(struct watchdog_device *wdd) +{ + sun4v_mach_set_watchdog(0, NULL); + + return 0; +} + +static int sun4v_wdt_ping(struct watchdog_device *wdd) +{ + int hverr; + + /* + * HV watchdog timer will round up the timeout + * passed in to the nearest multiple of the + * watchdog resolution in milliseconds. + */ + hverr = sun4v_mach_set_watchdog(wdd->timeout * 1000, NULL); + if (hverr == HV_EINVAL) + return -EINVAL; + + return 0; +} + +static int sun4v_wdt_set_timeout(struct watchdog_device *wdd, + unsigned int timeout) +{ + wdd->timeout = timeout; + + return 0; +} + +static const struct watchdog_info sun4v_wdt_ident = { + .options = WDIOF_SETTIMEOUT | + WDIOF_MAGICCLOSE | + WDIOF_KEEPALIVEPING, + .identity = "sun4v hypervisor watchdog", + .firmware_version = 0, +}; + +static struct watchdog_ops sun4v_wdt_ops = { + .owner = THIS_MODULE, + .start = sun4v_wdt_ping, + .stop = sun4v_wdt_stop, + .ping = sun4v_wdt_ping, + .set_timeout = sun4v_wdt_set_timeout, +}; + +static struct watchdog_device wdd = { + .info = &sun4v_wdt_ident, + .ops = &sun4v_wdt_ops, + .min_timeout = WDT_MIN_TIMEOUT, + .max_timeout = WDT_MAX_TIMEOUT, + .timeout = WDT_TIMEOUT, +}; + +static int __init sun4v_wdt_init(void) +{ + struct mdesc_handle *handle; + u64 node; + const u64 *value; + int err = 0; + unsigned long major = 1, minor = 1; + + /* + * There are 2 properties that can be set from the control + * domain for the watchdog. + * watchdog-resolution + * watchdog-max-timeout + * + * We can expect a handle to be returned otherwise something + * serious is wrong. Correct to return -ENODEV here. + */ + + handle = mdesc_grab(); + if (!handle) + return -ENODEV; + + node = mdesc_node_by_name(handle, MDESC_NODE_NULL, "platform"); + err = -ENODEV; + if (node == MDESC_NODE_NULL) + goto out_release; + + /* + * This is a safe way to validate if we are on the right + * platform. + */ + if (sun4v_hvapi_register(HV_GRP_CORE, major, &minor)) + goto out_hv_unreg; + + /* Allow value of watchdog-resolution up to 1s (default) */ + value = mdesc_get_property(handle, node, "watchdog-resolution", NULL); + err = -EINVAL; + if (value) { + if (*value == 0 || + *value > WDT_DEFAULT_RESOLUTION_MS) + goto out_hv_unreg; + } + + value = mdesc_get_property(handle, node, "watchdog-max-timeout", NULL); + if (value) { + /* + * If the property value (in ms) is smaller than + * min_timeout, return -EINVAL. + */ + if (*value < wdd.min_timeout * 1000) + goto out_hv_unreg; + + /* + * If the property value is smaller than + * default max_timeout then set watchdog max_timeout to + * the value of the property in seconds. + */ + if (*value < wdd.max_timeout * 1000) + wdd.max_timeout = *value / 1000; + } + + watchdog_init_timeout(&wdd, timeout, NULL); + + watchdog_set_nowayout(&wdd, nowayout); + + err = watchdog_register_device(&wdd); + if (err) + goto out_hv_unreg; + + pr_info("initialized (timeout=%ds, nowayout=%d)\n", + wdd.timeout, nowayout); + + mdesc_release(handle); + + return 0; + +out_hv_unreg: + sun4v_hvapi_unregister(HV_GRP_CORE); + +out_release: + mdesc_release(handle); + return err; +} + +static void __exit sun4v_wdt_exit(void) +{ + sun4v_hvapi_unregister(HV_GRP_CORE); + watchdog_unregister_device(&wdd); +} + +module_init(sun4v_wdt_init); +module_exit(sun4v_wdt_exit); + +MODULE_AUTHOR("Wim Coekaerts <[email protected]>"); +MODULE_DESCRIPTION("sun4v watchdog driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index 73dafdc494aa..fb0221434f81 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -227,8 +227,9 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev, /* * PCI_COMMAND_MEMORY must be enabled, otherwise we may not be able * to access the BARs where the MSI-X entries reside. + * But VF devices are unique in which the PF needs to be checked. */ - pci_read_config_word(dev, PCI_COMMAND, &cmd); + pci_read_config_word(pci_physfn(dev), PCI_COMMAND, &cmd); if (dev->msi_enabled || !(cmd & PCI_COMMAND_MEMORY)) return -ENXIO; @@ -332,6 +333,9 @@ void xen_pcibk_do_op(struct work_struct *data) struct xen_pcibk_dev_data *dev_data = NULL; struct xen_pci_op *op = &pdev->op; int test_intx = 0; +#ifdef CONFIG_PCI_MSI + unsigned int nr = 0; +#endif *op = pdev->sh_info->op; barrier(); @@ -360,6 +364,7 @@ void xen_pcibk_do_op(struct work_struct *data) op->err = xen_pcibk_disable_msi(pdev, dev, op); break; case XEN_PCI_OP_enable_msix: + nr = op->value; op->err = xen_pcibk_enable_msix(pdev, dev, op); break; case XEN_PCI_OP_disable_msix: @@ -382,7 +387,7 @@ void xen_pcibk_do_op(struct work_struct *data) if (op->cmd == XEN_PCI_OP_enable_msix && op->err == 0) { unsigned int i; - for (i = 0; i < op->value; i++) + for (i = 0; i < nr; i++) pdev->sh_info->op.msix_entries[i].vector = op->msix_entries[i].vector; } diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index ad4eb1024d1f..c46ee189466f 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -849,15 +849,31 @@ static int scsiback_map(struct vscsibk_info *info) } /* + Check for a translation entry being present +*/ +static struct v2p_entry *scsiback_chk_translation_entry( + struct vscsibk_info *info, struct ids_tuple *v) +{ + struct list_head *head = &(info->v2p_entry_lists); + struct v2p_entry *entry; + + list_for_each_entry(entry, head, l) + if ((entry->v.chn == v->chn) && + (entry->v.tgt == v->tgt) && + (entry->v.lun == v->lun)) + return entry; + + return NULL; +} + +/* Add a new translation entry */ static int scsiback_add_translation_entry(struct vscsibk_info *info, char *phy, struct ids_tuple *v) { int err = 0; - struct v2p_entry *entry; struct v2p_entry *new; - struct list_head *head = &(info->v2p_entry_lists); unsigned long flags; char *lunp; unsigned long long unpacked_lun; @@ -917,15 +933,10 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info, spin_lock_irqsave(&info->v2p_lock, flags); /* Check double assignment to identical virtual ID */ - list_for_each_entry(entry, head, l) { - if ((entry->v.chn == v->chn) && - (entry->v.tgt == v->tgt) && - (entry->v.lun == v->lun)) { - pr_warn("Virtual ID is already used. Assignment was not performed.\n"); - err = -EEXIST; - goto out; - } - + if (scsiback_chk_translation_entry(info, v)) { + pr_warn("Virtual ID is already used. Assignment was not performed.\n"); + err = -EEXIST; + goto out; } /* Create a new translation entry and add to the list */ @@ -933,18 +944,18 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info, new->v = *v; new->tpg = tpg; new->lun = unpacked_lun; - list_add_tail(&new->l, head); + list_add_tail(&new->l, &info->v2p_entry_lists); out: spin_unlock_irqrestore(&info->v2p_lock, flags); out_free: - mutex_lock(&tpg->tv_tpg_mutex); - tpg->tv_tpg_fe_count--; - mutex_unlock(&tpg->tv_tpg_mutex); - - if (err) + if (err) { + mutex_lock(&tpg->tv_tpg_mutex); + tpg->tv_tpg_fe_count--; + mutex_unlock(&tpg->tv_tpg_mutex); kfree(new); + } return err; } @@ -956,39 +967,40 @@ static void __scsiback_del_translation_entry(struct v2p_entry *entry) } /* - Delete the translation entry specfied + Delete the translation entry specified */ static int scsiback_del_translation_entry(struct vscsibk_info *info, struct ids_tuple *v) { struct v2p_entry *entry; - struct list_head *head = &(info->v2p_entry_lists); unsigned long flags; + int ret = 0; spin_lock_irqsave(&info->v2p_lock, flags); /* Find out the translation entry specified */ - list_for_each_entry(entry, head, l) { - if ((entry->v.chn == v->chn) && - (entry->v.tgt == v->tgt) && - (entry->v.lun == v->lun)) { - goto found; - } - } - - spin_unlock_irqrestore(&info->v2p_lock, flags); - return 1; - -found: - /* Delete the translation entry specfied */ - __scsiback_del_translation_entry(entry); + entry = scsiback_chk_translation_entry(info, v); + if (entry) + __scsiback_del_translation_entry(entry); + else + ret = -ENOENT; spin_unlock_irqrestore(&info->v2p_lock, flags); - return 0; + return ret; } static void scsiback_do_add_lun(struct vscsibk_info *info, const char *state, char *phy, struct ids_tuple *vir, int try) { + struct v2p_entry *entry; + unsigned long flags; + + if (try) { + spin_lock_irqsave(&info->v2p_lock, flags); + entry = scsiback_chk_translation_entry(info, vir); + spin_unlock_irqrestore(&info->v2p_lock, flags); + if (entry) + return; + } if (!scsiback_add_translation_entry(info, phy, vir)) { if (xenbus_printf(XBT_NIL, info->dev->nodename, state, "%d", XenbusStateInitialised)) { diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 9433e46518c8..912b64edb42b 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -188,6 +188,8 @@ static int queue_reply(struct list_head *queue, const void *data, size_t len) if (len == 0) return 0; + if (len > XENSTORE_PAYLOAD_MAX) + return -EINVAL; rb = kmalloc(sizeof(*rb) + len, GFP_KERNEL); if (rb == NULL) diff --git a/fs/affs/file.c b/fs/affs/file.c index 0548c53f41d5..22fc7c802d69 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -511,8 +511,6 @@ affs_do_readpage_ofs(struct page *page, unsigned to) pr_debug("%s(%lu, %ld, 0, %d)\n", __func__, inode->i_ino, page->index, to); BUG_ON(to > PAGE_CACHE_SIZE); - kmap(page); - data = page_address(page); bsize = AFFS_SB(sb)->s_data_blksize; tmp = page->index << PAGE_CACHE_SHIFT; bidx = tmp / bsize; @@ -524,14 +522,15 @@ affs_do_readpage_ofs(struct page *page, unsigned to) return PTR_ERR(bh); tmp = min(bsize - boff, to - pos); BUG_ON(pos + tmp > to || tmp > bsize); + data = kmap_atomic(page); memcpy(data + pos, AFFS_DATA(bh) + boff, tmp); + kunmap_atomic(data); affs_brelse(bh); bidx++; pos += tmp; boff = 0; } flush_dcache_page(page); - kunmap(page); return 0; } diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 051ea4809c14..7d914c67a9d0 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -653,7 +653,7 @@ static unsigned long randomize_stack_top(unsigned long stack_top) if ((current->flags & PF_RANDOMIZE) && !(current->personality & ADDR_NO_RANDOMIZE)) { - random_variable = (unsigned long) get_random_int(); + random_variable = get_random_long(); random_variable &= STACK_RND_MASK; random_variable <<= PAGE_SHIFT; } diff --git a/fs/block_dev.c b/fs/block_dev.c index 7b9cd49622b1..826b164a4b5b 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1201,7 +1201,11 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) bdev->bd_disk = disk; bdev->bd_queue = disk->queue; bdev->bd_contains = bdev; - bdev->bd_inode->i_flags = disk->fops->direct_access ? S_DAX : 0; + if (IS_ENABLED(CONFIG_BLK_DEV_DAX) && disk->fops->direct_access) + bdev->bd_inode->i_flags = S_DAX; + else + bdev->bd_inode->i_flags = 0; + if (!partno) { ret = -ENXIO; bdev->bd_part = disk_get_part(disk, partno); @@ -1693,13 +1697,24 @@ static int blkdev_releasepage(struct page *page, gfp_t wait) return try_to_free_buffers(page); } +static int blkdev_writepages(struct address_space *mapping, + struct writeback_control *wbc) +{ + if (dax_mapping(mapping)) { + struct block_device *bdev = I_BDEV(mapping->host); + + return dax_writeback_mapping_range(mapping, bdev, wbc); + } + return generic_writepages(mapping, wbc); +} + static const struct address_space_operations def_blk_aops = { .readpage = blkdev_readpage, .readpages = blkdev_readpages, .writepage = blkdev_writepage, .write_begin = blkdev_write_begin, .write_end = blkdev_write_end, - .writepages = generic_writepages, + .writepages = blkdev_writepages, .releasepage = blkdev_releasepage, .direct_IO = blkdev_direct_IO, .is_dirty_writeback = buffer_check_dirty_writeback, @@ -1730,43 +1745,25 @@ static int blkdev_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return __dax_fault(vma, vmf, blkdev_get_block, NULL); } -static int blkdev_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, - pmd_t *pmd, unsigned int flags) -{ - return __dax_pmd_fault(vma, addr, pmd, flags, blkdev_get_block, NULL); -} - -static void blkdev_vm_open(struct vm_area_struct *vma) +static int blkdev_dax_pfn_mkwrite(struct vm_area_struct *vma, + struct vm_fault *vmf) { - struct inode *bd_inode = bdev_file_inode(vma->vm_file); - struct block_device *bdev = I_BDEV(bd_inode); - - inode_lock(bd_inode); - bdev->bd_map_count++; - inode_unlock(bd_inode); + return dax_pfn_mkwrite(vma, vmf); } -static void blkdev_vm_close(struct vm_area_struct *vma) +static int blkdev_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, + pmd_t *pmd, unsigned int flags) { - struct inode *bd_inode = bdev_file_inode(vma->vm_file); - struct block_device *bdev = I_BDEV(bd_inode); - - inode_lock(bd_inode); - bdev->bd_map_count--; - inode_unlock(bd_inode); + return __dax_pmd_fault(vma, addr, pmd, flags, blkdev_get_block, NULL); } static const struct vm_operations_struct blkdev_dax_vm_ops = { - .open = blkdev_vm_open, - .close = blkdev_vm_close, .fault = blkdev_dax_fault, .pmd_fault = blkdev_dax_pmd_fault, - .pfn_mkwrite = blkdev_dax_fault, + .pfn_mkwrite = blkdev_dax_pfn_mkwrite, }; static const struct vm_operations_struct blkdev_default_vm_ops = { - .open = blkdev_vm_open, - .close = blkdev_vm_close, .fault = filemap_fault, .map_pages = filemap_map_pages, }; @@ -1774,18 +1771,14 @@ static const struct vm_operations_struct blkdev_default_vm_ops = { static int blkdev_mmap(struct file *file, struct vm_area_struct *vma) { struct inode *bd_inode = bdev_file_inode(file); - struct block_device *bdev = I_BDEV(bd_inode); file_accessed(file); - inode_lock(bd_inode); - bdev->bd_map_count++; if (IS_DAX(bd_inode)) { vma->vm_ops = &blkdev_dax_vm_ops; vma->vm_flags |= VM_MIXEDMAP | VM_HUGEPAGE; } else { vma->vm_ops = &blkdev_default_vm_ops; } - inode_unlock(bd_inode); return 0; } diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index b90cd3776f8e..f6dac40f87ff 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1406,7 +1406,8 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, read_extent_buffer(eb, dest + bytes_left, name_off, name_len); if (eb != eb_in) { - btrfs_tree_read_unlock_blocking(eb); + if (!path->skip_locking) + btrfs_tree_read_unlock_blocking(eb); free_extent_buffer(eb); } ret = btrfs_find_item(fs_root, path, parent, 0, @@ -1426,9 +1427,10 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, eb = path->nodes[0]; /* make sure we can use eb after releasing the path */ if (eb != eb_in) { - atomic_inc(&eb->refs); - btrfs_tree_read_lock(eb); - btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + if (!path->skip_locking) + btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + path->nodes[0] = NULL; + path->locks[0] = 0; } btrfs_release_path(path); iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref); diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index c473c42d7d6c..3346cd8f9910 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -637,11 +637,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, faili = nr_pages - 1; cb->nr_pages = nr_pages; - /* In the parent-locked case, we only locked the range we are - * interested in. In all other cases, we can opportunistically - * cache decompressed data that goes beyond the requested range. */ - if (!(bio_flags & EXTENT_BIO_PARENT_LOCKED)) - add_ra_bio_pages(inode, em_start + em_len, cb); + add_ra_bio_pages(inode, em_start + em_len, cb); /* include any pages we added in add_ra-bio_pages */ uncompressed_len = bio->bi_vcnt * PAGE_CACHE_SIZE; diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 0be47e4b8136..b57daa895cea 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1689,7 +1689,7 @@ int btrfs_should_delete_dir_index(struct list_head *del_list, * */ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx, - struct list_head *ins_list) + struct list_head *ins_list, bool *emitted) { struct btrfs_dir_item *di; struct btrfs_delayed_item *curr, *next; @@ -1733,6 +1733,7 @@ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx, if (over) return 1; + *emitted = true; } return 0; } diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h index f70119f25421..0167853c84ae 100644 --- a/fs/btrfs/delayed-inode.h +++ b/fs/btrfs/delayed-inode.h @@ -144,7 +144,7 @@ void btrfs_put_delayed_items(struct list_head *ins_list, int btrfs_should_delete_dir_index(struct list_head *del_list, u64 index); int btrfs_readdir_delayed_dir_index(struct dir_context *ctx, - struct list_head *ins_list); + struct list_head *ins_list, bool *emitted); /* for init */ int __init btrfs_delayed_inode_init(void); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 2e7c97a3f344..392592dc7010 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2897,12 +2897,11 @@ static int __do_readpage(struct extent_io_tree *tree, struct block_device *bdev; int ret; int nr = 0; - int parent_locked = *bio_flags & EXTENT_BIO_PARENT_LOCKED; size_t pg_offset = 0; size_t iosize; size_t disk_io_size; size_t blocksize = inode->i_sb->s_blocksize; - unsigned long this_bio_flag = *bio_flags & EXTENT_BIO_PARENT_LOCKED; + unsigned long this_bio_flag = 0; set_page_extent_mapped(page); @@ -2942,18 +2941,16 @@ static int __do_readpage(struct extent_io_tree *tree, kunmap_atomic(userpage); set_extent_uptodate(tree, cur, cur + iosize - 1, &cached, GFP_NOFS); - if (!parent_locked) - unlock_extent_cached(tree, cur, - cur + iosize - 1, - &cached, GFP_NOFS); + unlock_extent_cached(tree, cur, + cur + iosize - 1, + &cached, GFP_NOFS); break; } em = __get_extent_map(inode, page, pg_offset, cur, end - cur + 1, get_extent, em_cached); if (IS_ERR_OR_NULL(em)) { SetPageError(page); - if (!parent_locked) - unlock_extent(tree, cur, end); + unlock_extent(tree, cur, end); break; } extent_offset = cur - em->start; @@ -3038,12 +3035,9 @@ static int __do_readpage(struct extent_io_tree *tree, set_extent_uptodate(tree, cur, cur + iosize - 1, &cached, GFP_NOFS); - if (parent_locked) - free_extent_state(cached); - else - unlock_extent_cached(tree, cur, - cur + iosize - 1, - &cached, GFP_NOFS); + unlock_extent_cached(tree, cur, + cur + iosize - 1, + &cached, GFP_NOFS); cur = cur + iosize; pg_offset += iosize; continue; @@ -3052,8 +3046,7 @@ static int __do_readpage(struct extent_io_tree *tree, if (test_range_bit(tree, cur, cur_end, EXTENT_UPTODATE, 1, NULL)) { check_page_uptodate(tree, page); - if (!parent_locked) - unlock_extent(tree, cur, cur + iosize - 1); + unlock_extent(tree, cur, cur + iosize - 1); cur = cur + iosize; pg_offset += iosize; continue; @@ -3063,8 +3056,7 @@ static int __do_readpage(struct extent_io_tree *tree, */ if (block_start == EXTENT_MAP_INLINE) { SetPageError(page); - if (!parent_locked) - unlock_extent(tree, cur, cur + iosize - 1); + unlock_extent(tree, cur, cur + iosize - 1); cur = cur + iosize; pg_offset += iosize; continue; @@ -3083,8 +3075,7 @@ static int __do_readpage(struct extent_io_tree *tree, *bio_flags = this_bio_flag; } else { SetPageError(page); - if (!parent_locked) - unlock_extent(tree, cur, cur + iosize - 1); + unlock_extent(tree, cur, cur + iosize - 1); } cur = cur + iosize; pg_offset += iosize; @@ -3213,20 +3204,6 @@ int extent_read_full_page(struct extent_io_tree *tree, struct page *page, return ret; } -int extent_read_full_page_nolock(struct extent_io_tree *tree, struct page *page, - get_extent_t *get_extent, int mirror_num) -{ - struct bio *bio = NULL; - unsigned long bio_flags = EXTENT_BIO_PARENT_LOCKED; - int ret; - - ret = __do_readpage(tree, page, get_extent, NULL, &bio, mirror_num, - &bio_flags, READ, NULL); - if (bio) - ret = submit_one_bio(READ, bio, mirror_num, bio_flags); - return ret; -} - static noinline void update_nr_written(struct page *page, struct writeback_control *wbc, unsigned long nr_written) diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 0377413bd4b9..880d5292e972 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -29,7 +29,6 @@ */ #define EXTENT_BIO_COMPRESSED 1 #define EXTENT_BIO_TREE_LOG 2 -#define EXTENT_BIO_PARENT_LOCKED 4 #define EXTENT_BIO_FLAG_SHIFT 16 /* these are bit numbers for test/set bit */ @@ -210,8 +209,6 @@ static inline int lock_extent(struct extent_io_tree *tree, u64 start, u64 end) int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end); int extent_read_full_page(struct extent_io_tree *tree, struct page *page, get_extent_t *get_extent, int mirror_num); -int extent_read_full_page_nolock(struct extent_io_tree *tree, struct page *page, - get_extent_t *get_extent, int mirror_num); int __init extent_io_init(void); void extent_io_exit(void); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5f06eb1f4384..d96f5cf38a2d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5717,6 +5717,7 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx) char *name_ptr; int name_len; int is_curr = 0; /* ctx->pos points to the current index? */ + bool emitted; /* FIXME, use a real flag for deciding about the key type */ if (root->fs_info->tree_root == root) @@ -5745,6 +5746,7 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx) if (ret < 0) goto err; + emitted = false; while (1) { leaf = path->nodes[0]; slot = path->slots[0]; @@ -5824,6 +5826,7 @@ skip: if (over) goto nopos; + emitted = true; di_len = btrfs_dir_name_len(leaf, di) + btrfs_dir_data_len(leaf, di) + sizeof(*di); di_cur += di_len; @@ -5836,11 +5839,20 @@ next: if (key_type == BTRFS_DIR_INDEX_KEY) { if (is_curr) ctx->pos++; - ret = btrfs_readdir_delayed_dir_index(ctx, &ins_list); + ret = btrfs_readdir_delayed_dir_index(ctx, &ins_list, &emitted); if (ret) goto nopos; } + /* + * If we haven't emitted any dir entry, we must not touch ctx->pos as + * it was was set to the termination value in previous call. We assume + * that "." and ".." were emitted if we reach this point and set the + * termination value as well for an empty directory. + */ + if (ctx->pos > 2 && !emitted) + goto nopos; + /* Reached end of directory/root. Bump pos past the last item. */ ctx->pos++; @@ -7974,6 +7986,7 @@ static void btrfs_endio_direct_read(struct bio *bio) kfree(dip); + dio_bio->bi_error = bio->bi_error; dio_end_io(dio_bio, bio->bi_error); if (io_bio->end_io) @@ -8028,6 +8041,7 @@ static void btrfs_endio_direct_write(struct bio *bio) kfree(dip); + dio_bio->bi_error = bio->bi_error; dio_end_io(dio_bio, bio->bi_error); bio_put(bio); } diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 952172ca7e45..48aee9846329 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2794,24 +2794,29 @@ out: static struct page *extent_same_get_page(struct inode *inode, pgoff_t index) { struct page *page; - struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree; page = grab_cache_page(inode->i_mapping, index); if (!page) - return NULL; + return ERR_PTR(-ENOMEM); if (!PageUptodate(page)) { - if (extent_read_full_page_nolock(tree, page, btrfs_get_extent, - 0)) - return NULL; + int ret; + + ret = btrfs_readpage(NULL, page); + if (ret) + return ERR_PTR(ret); lock_page(page); if (!PageUptodate(page)) { unlock_page(page); page_cache_release(page); - return NULL; + return ERR_PTR(-EIO); + } + if (page->mapping != inode->i_mapping) { + unlock_page(page); + page_cache_release(page); + return ERR_PTR(-EAGAIN); } } - unlock_page(page); return page; } @@ -2823,17 +2828,31 @@ static int gather_extent_pages(struct inode *inode, struct page **pages, pgoff_t index = off >> PAGE_CACHE_SHIFT; for (i = 0; i < num_pages; i++) { +again: pages[i] = extent_same_get_page(inode, index + i); - if (!pages[i]) - return -ENOMEM; + if (IS_ERR(pages[i])) { + int err = PTR_ERR(pages[i]); + + if (err == -EAGAIN) + goto again; + pages[i] = NULL; + return err; + } } return 0; } -static inline void lock_extent_range(struct inode *inode, u64 off, u64 len) +static int lock_extent_range(struct inode *inode, u64 off, u64 len, + bool retry_range_locking) { - /* do any pending delalloc/csum calc on src, one way or - another, and lock file content */ + /* + * Do any pending delalloc/csum calculations on inode, one way or + * another, and lock file content. + * The locking order is: + * + * 1) pages + * 2) range in the inode's io tree + */ while (1) { struct btrfs_ordered_extent *ordered; lock_extent(&BTRFS_I(inode)->io_tree, off, off + len - 1); @@ -2851,8 +2870,11 @@ static inline void lock_extent_range(struct inode *inode, u64 off, u64 len) unlock_extent(&BTRFS_I(inode)->io_tree, off, off + len - 1); if (ordered) btrfs_put_ordered_extent(ordered); + if (!retry_range_locking) + return -EAGAIN; btrfs_wait_ordered_range(inode, off, len); } + return 0; } static void btrfs_double_inode_unlock(struct inode *inode1, struct inode *inode2) @@ -2877,15 +2899,24 @@ static void btrfs_double_extent_unlock(struct inode *inode1, u64 loff1, unlock_extent(&BTRFS_I(inode2)->io_tree, loff2, loff2 + len - 1); } -static void btrfs_double_extent_lock(struct inode *inode1, u64 loff1, - struct inode *inode2, u64 loff2, u64 len) +static int btrfs_double_extent_lock(struct inode *inode1, u64 loff1, + struct inode *inode2, u64 loff2, u64 len, + bool retry_range_locking) { + int ret; + if (inode1 < inode2) { swap(inode1, inode2); swap(loff1, loff2); } - lock_extent_range(inode1, loff1, len); - lock_extent_range(inode2, loff2, len); + ret = lock_extent_range(inode1, loff1, len, retry_range_locking); + if (ret) + return ret; + ret = lock_extent_range(inode2, loff2, len, retry_range_locking); + if (ret) + unlock_extent(&BTRFS_I(inode1)->io_tree, loff1, + loff1 + len - 1); + return ret; } struct cmp_pages { @@ -2901,11 +2932,15 @@ static void btrfs_cmp_data_free(struct cmp_pages *cmp) for (i = 0; i < cmp->num_pages; i++) { pg = cmp->src_pages[i]; - if (pg) + if (pg) { + unlock_page(pg); page_cache_release(pg); + } pg = cmp->dst_pages[i]; - if (pg) + if (pg) { + unlock_page(pg); page_cache_release(pg); + } } kfree(cmp->src_pages); kfree(cmp->dst_pages); @@ -2966,6 +3001,8 @@ static int btrfs_cmp_data(struct inode *src, u64 loff, struct inode *dst, src_page = cmp->src_pages[i]; dst_page = cmp->dst_pages[i]; + ASSERT(PageLocked(src_page)); + ASSERT(PageLocked(dst_page)); addr = kmap_atomic(src_page); dst_addr = kmap_atomic(dst_page); @@ -3078,14 +3115,46 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen, goto out_unlock; } +again: ret = btrfs_cmp_data_prepare(src, loff, dst, dst_loff, olen, &cmp); if (ret) goto out_unlock; if (same_inode) - lock_extent_range(src, same_lock_start, same_lock_len); + ret = lock_extent_range(src, same_lock_start, same_lock_len, + false); else - btrfs_double_extent_lock(src, loff, dst, dst_loff, len); + ret = btrfs_double_extent_lock(src, loff, dst, dst_loff, len, + false); + /* + * If one of the inodes has dirty pages in the respective range or + * ordered extents, we need to flush dellaloc and wait for all ordered + * extents in the range. We must unlock the pages and the ranges in the + * io trees to avoid deadlocks when flushing delalloc (requires locking + * pages) and when waiting for ordered extents to complete (they require + * range locking). + */ + if (ret == -EAGAIN) { + /* + * Ranges in the io trees already unlocked. Now unlock all + * pages before waiting for all IO to complete. + */ + btrfs_cmp_data_free(&cmp); + if (same_inode) { + btrfs_wait_ordered_range(src, same_lock_start, + same_lock_len); + } else { + btrfs_wait_ordered_range(src, loff, len); + btrfs_wait_ordered_range(dst, dst_loff, len); + } + goto again; + } + ASSERT(ret == 0); + if (WARN_ON(ret)) { + /* ranges in the io trees already unlocked */ + btrfs_cmp_data_free(&cmp); + return ret; + } /* pass original length for comparison so we stay within i_size */ ret = btrfs_cmp_data(src, loff, dst, dst_loff, olen, &cmp); @@ -3795,9 +3864,15 @@ static noinline int btrfs_clone_files(struct file *file, struct file *file_src, u64 lock_start = min_t(u64, off, destoff); u64 lock_len = max_t(u64, off, destoff) + len - lock_start; - lock_extent_range(src, lock_start, lock_len); + ret = lock_extent_range(src, lock_start, lock_len, true); } else { - btrfs_double_extent_lock(src, off, inode, destoff, len); + ret = btrfs_double_extent_lock(src, off, inode, destoff, len, + true); + } + ASSERT(ret == 0); + if (WARN_ON(ret)) { + /* ranges in the io trees already unlocked */ + goto out_unlock; } ret = btrfs_clone(src, inode, off, olen, len, destoff, 0); diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 7cf8509deda7..2c849b08a91b 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -310,8 +310,16 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state); err = btrfs_insert_fs_root(root->fs_info, root); + /* + * The root might have been inserted already, as before we look + * for orphan roots, log replay might have happened, which + * triggers a transaction commit and qgroup accounting, which + * in turn reads and inserts fs roots while doing backref + * walking. + */ + if (err == -EEXIST) + err = 0; if (err) { - BUG_ON(err == -EEXIST); btrfs_free_fs_root(root); break; } diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 86a9c383955e..eb9028e8cfc5 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -698,8 +698,8 @@ static void ceph_aio_retry_work(struct work_struct *work) req = ceph_osdc_alloc_request(orig_req->r_osdc, snapc, 2, false, GFP_NOFS); - if (IS_ERR(req)) { - ret = PTR_ERR(req); + if (!req) { + ret = -ENOMEM; req = orig_req; goto out; } @@ -716,7 +716,6 @@ static void ceph_aio_retry_work(struct work_struct *work) ceph_osdc_build_request(req, req->r_ops[0].extent.offset, snapc, CEPH_NOSNAP, &aio_req->mtime); - ceph_put_snap_context(snapc); ceph_osdc_put_request(orig_req); req->r_callback = ceph_aio_complete_req; @@ -731,6 +730,7 @@ out: ceph_aio_complete_req(req, NULL); } + ceph_put_snap_context(snapc); kfree(aio_work); } diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 7dc886c9a78f..e956cba94338 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -175,7 +175,7 @@ char *cifs_compose_mount_options(const char *sb_mountdata, * string to the length of the original string to allow for worst case. */ md_len = strlen(sb_mountdata) + INET6_ADDRSTRLEN; - mountdata = kzalloc(md_len + 1, GFP_KERNEL); + mountdata = kzalloc(md_len + sizeof("ip=") + 1, GFP_KERNEL); if (mountdata == NULL) { rc = -ENOMEM; goto compose_mount_options_err; diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index afa09fce8151..e682b36a210f 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -714,7 +714,7 @@ setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp) ses->auth_key.response = kmalloc(baselen + tilen, GFP_KERNEL); if (!ses->auth_key.response) { - rc = ENOMEM; + rc = -ENOMEM; ses->auth_key.len = 0; goto setup_ntlmv2_rsp_ret; } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index c48ca13673e3..2eea40353e60 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1013,7 +1013,6 @@ const struct file_operations cifs_file_strict_ops = { .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, .clone_file_range = cifs_clone_file_range, - .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, }; diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 68c4547528c4..83aac8ba50b0 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -31,19 +31,15 @@ * so that it will fit. We use hash_64 to convert the value to 31 bits, and * then add 1, to ensure that we don't end up with a 0 as the value. */ -#if BITS_PER_LONG == 64 static inline ino_t cifs_uniqueid_to_ino_t(u64 fileid) { + if ((sizeof(ino_t)) < (sizeof(u64))) + return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1; + return (ino_t)fileid; + } -#else -static inline ino_t -cifs_uniqueid_to_ino_t(u64 fileid) -{ - return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1; -} -#endif extern struct file_system_type cifs_fs_type; extern const struct address_space_operations cifs_addr_ops; diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 90b4f9f7de66..76fcb50295a3 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1396,11 +1396,10 @@ openRetry: * current bigbuf. */ static int -cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) +discard_remaining_data(struct TCP_Server_Info *server) { unsigned int rfclen = get_rfc1002_length(server->smallbuf); int remaining = rfclen + 4 - server->total_read; - struct cifs_readdata *rdata = mid->callback_data; while (remaining > 0) { int length; @@ -1414,10 +1413,20 @@ cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) remaining -= length; } - dequeue_mid(mid, rdata->result); return 0; } +static int +cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) +{ + int length; + struct cifs_readdata *rdata = mid->callback_data; + + length = discard_remaining_data(server); + dequeue_mid(mid, rdata->result); + return length; +} + int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) { @@ -1446,6 +1455,12 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) return length; server->total_read += length; + if (server->ops->is_status_pending && + server->ops->is_status_pending(buf, server, 0)) { + discard_remaining_data(server); + return -1; + } + /* Was the SMB read successful? */ rdata->result = server->ops->map_error(buf, false); if (rdata->result != 0) { diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 4fbd92d2e113..a763cd3d9e7c 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2999,8 +2999,7 @@ ip_rfc1001_connect(struct TCP_Server_Info *server) if (ses_init_buf) { ses_init_buf->trailer.session_req.called_len = 32; - if (server->server_RFC1001_name && - server->server_RFC1001_name[0] != 0) + if (server->server_RFC1001_name[0] != 0) rfc1002mangle(ses_init_buf->trailer. session_req.called_name, server->server_RFC1001_name, diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 10f8d5cf5681..42e1f440eb1e 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1106,21 +1106,25 @@ parse_lease_state(struct TCP_Server_Info *server, struct smb2_create_rsp *rsp, { char *data_offset; struct create_context *cc; - unsigned int next = 0; + unsigned int next; + unsigned int remaining; char *name; data_offset = (char *)rsp + 4 + le32_to_cpu(rsp->CreateContextsOffset); + remaining = le32_to_cpu(rsp->CreateContextsLength); cc = (struct create_context *)data_offset; - do { - cc = (struct create_context *)((char *)cc + next); + while (remaining >= sizeof(struct create_context)) { name = le16_to_cpu(cc->NameOffset) + (char *)cc; - if (le16_to_cpu(cc->NameLength) != 4 || - strncmp(name, "RqLs", 4)) { - next = le32_to_cpu(cc->Next); - continue; - } - return server->ops->parse_lease_buf(cc, epoch); - } while (next != 0); + if (le16_to_cpu(cc->NameLength) == 4 && + strncmp(name, "RqLs", 4) == 0) + return server->ops->parse_lease_buf(cc, epoch); + + next = le32_to_cpu(cc->Next); + if (!next) + break; + remaining -= next; + cc = (struct create_context *)((char *)cc + next); + } return 0; } diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index a5b8eb69a8f4..6402eaf8ab95 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -1261,6 +1261,9 @@ COMPATIBLE_IOCTL(HCIUNBLOCKADDR) COMPATIBLE_IOCTL(HCIINQUIRY) COMPATIBLE_IOCTL(HCIUARTSETPROTO) COMPATIBLE_IOCTL(HCIUARTGETPROTO) +COMPATIBLE_IOCTL(HCIUARTGETDEVICE) +COMPATIBLE_IOCTL(HCIUARTSETFLAGS) +COMPATIBLE_IOCTL(HCIUARTGETFLAGS) COMPATIBLE_IOCTL(RFCOMMCREATEDEV) COMPATIBLE_IOCTL(RFCOMMRELEASEDEV) COMPATIBLE_IOCTL(RFCOMMGETDEVLIST) @@ -58,16 +58,35 @@ static void dax_unmap_atomic(struct block_device *bdev, blk_queue_exit(bdev->bd_queue); } +struct page *read_dax_sector(struct block_device *bdev, sector_t n) +{ + struct page *page = alloc_pages(GFP_KERNEL, 0); + struct blk_dax_ctl dax = { + .size = PAGE_SIZE, + .sector = n & ~((((int) PAGE_SIZE) / 512) - 1), + }; + long rc; + + if (!page) + return ERR_PTR(-ENOMEM); + + rc = dax_map_atomic(bdev, &dax); + if (rc < 0) + return ERR_PTR(rc); + memcpy_from_pmem(page_address(page), dax.addr, PAGE_SIZE); + dax_unmap_atomic(bdev, &dax); + return page; +} + /* - * dax_clear_blocks() is called from within transaction context from XFS, + * dax_clear_sectors() is called from within transaction context from XFS, * and hence this means the stack from this point must follow GFP_NOFS * semantics for all operations. */ -int dax_clear_blocks(struct inode *inode, sector_t block, long _size) +int dax_clear_sectors(struct block_device *bdev, sector_t _sector, long _size) { - struct block_device *bdev = inode->i_sb->s_bdev; struct blk_dax_ctl dax = { - .sector = block << (inode->i_blkbits - 9), + .sector = _sector, .size = _size, }; @@ -89,7 +108,7 @@ int dax_clear_blocks(struct inode *inode, sector_t block, long _size) wmb_pmem(); return 0; } -EXPORT_SYMBOL_GPL(dax_clear_blocks); +EXPORT_SYMBOL_GPL(dax_clear_sectors); /* the clear_pmem() calls are ordered by a wmb_pmem() in the caller */ static void dax_new_buf(void __pmem *addr, unsigned size, unsigned first, @@ -338,7 +357,8 @@ static int dax_radix_entry(struct address_space *mapping, pgoff_t index, void *entry; WARN_ON_ONCE(pmd_entry && !dirty); - __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); + if (dirty) + __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); spin_lock_irq(&mapping->tree_lock); @@ -464,11 +484,10 @@ static int dax_writeback_one(struct block_device *bdev, * end]. This is required by data integrity operations to ensure file data is * on persistent storage prior to completion of the operation. */ -int dax_writeback_mapping_range(struct address_space *mapping, loff_t start, - loff_t end) +int dax_writeback_mapping_range(struct address_space *mapping, + struct block_device *bdev, struct writeback_control *wbc) { struct inode *inode = mapping->host; - struct block_device *bdev = inode->i_sb->s_bdev; pgoff_t start_index, end_index, pmd_index; pgoff_t indices[PAGEVEC_SIZE]; struct pagevec pvec; @@ -479,8 +498,11 @@ int dax_writeback_mapping_range(struct address_space *mapping, loff_t start, if (WARN_ON_ONCE(inode->i_blkbits != PAGE_SHIFT)) return -EIO; - start_index = start >> PAGE_CACHE_SHIFT; - end_index = end >> PAGE_CACHE_SHIFT; + if (!mapping->nrexceptional || wbc->sync_mode != WB_SYNC_ALL) + return 0; + + start_index = wbc->range_start >> PAGE_CACHE_SHIFT; + end_index = wbc->range_end >> PAGE_CACHE_SHIFT; pmd_index = DAX_PMD_INDEX(start_index); rcu_read_lock(); diff --git a/fs/dcache.c b/fs/dcache.c index 92d5140de851..2398f9f94337 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -269,9 +269,6 @@ static inline int dname_external(const struct dentry *dentry) return dentry->d_name.name != dentry->d_iname; } -/* - * Make sure other CPUs see the inode attached before the type is set. - */ static inline void __d_set_inode_and_type(struct dentry *dentry, struct inode *inode, unsigned type_flags) @@ -279,28 +276,18 @@ static inline void __d_set_inode_and_type(struct dentry *dentry, unsigned flags; dentry->d_inode = inode; - smp_wmb(); flags = READ_ONCE(dentry->d_flags); flags &= ~(DCACHE_ENTRY_TYPE | DCACHE_FALLTHRU); flags |= type_flags; WRITE_ONCE(dentry->d_flags, flags); } -/* - * Ideally, we want to make sure that other CPUs see the flags cleared before - * the inode is detached, but this is really a violation of RCU principles - * since the ordering suggests we should always set inode before flags. - * - * We should instead replace or discard the entire dentry - but that sucks - * performancewise on mass deletion/rename. - */ static inline void __d_clear_type_and_inode(struct dentry *dentry) { unsigned flags = READ_ONCE(dentry->d_flags); flags &= ~(DCACHE_ENTRY_TYPE | DCACHE_FALLTHRU); WRITE_ONCE(dentry->d_flags, flags); - smp_wmb(); dentry->d_inode = NULL; } @@ -370,9 +357,11 @@ static void dentry_unlink_inode(struct dentry * dentry) __releases(dentry->d_inode->i_lock) { struct inode *inode = dentry->d_inode; + + raw_write_seqcount_begin(&dentry->d_seq); __d_clear_type_and_inode(dentry); hlist_del_init(&dentry->d_u.d_alias); - dentry_rcuwalk_invalidate(dentry); + raw_write_seqcount_end(&dentry->d_seq); spin_unlock(&dentry->d_lock); spin_unlock(&inode->i_lock); if (!inode->i_nlink) @@ -1758,8 +1747,9 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode) spin_lock(&dentry->d_lock); if (inode) hlist_add_head(&dentry->d_u.d_alias, &inode->i_dentry); + raw_write_seqcount_begin(&dentry->d_seq); __d_set_inode_and_type(dentry, inode, add_flags); - dentry_rcuwalk_invalidate(dentry); + raw_write_seqcount_end(&dentry->d_seq); spin_unlock(&dentry->d_lock); fsnotify_d_instantiate(dentry, inode); } diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 1f107fd51328..655f21f99160 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -575,6 +575,26 @@ void devpts_kill_index(struct inode *ptmx_inode, int idx) mutex_unlock(&allocated_ptys_lock); } +/* + * pty code needs to hold extra references in case of last /dev/tty close + */ + +void devpts_add_ref(struct inode *ptmx_inode) +{ + struct super_block *sb = pts_sb_from_inode(ptmx_inode); + + atomic_inc(&sb->s_active); + ihold(ptmx_inode); +} + +void devpts_del_ref(struct inode *ptmx_inode) +{ + struct super_block *sb = pts_sb_from_inode(ptmx_inode); + + iput(ptmx_inode); + deactivate_super(sb); +} + /** * devpts_pty_new -- create a new inode in /dev/pts/ * @ptmx_inode: inode of the master diff --git a/fs/direct-io.c b/fs/direct-io.c index 1b2f7ffc8b84..d6a9012d42ad 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -472,8 +472,8 @@ static int dio_bio_complete(struct dio *dio, struct bio *bio) dio->io_error = -EIO; if (dio->is_async && dio->rw == READ && dio->should_dirty) { - bio_check_pages_dirty(bio); /* transfers ownership */ err = bio->bi_error; + bio_check_pages_dirty(bio); /* transfers ownership */ } else { bio_for_each_segment_all(bvec, bio, i) { struct page *page = bvec->bv_page; diff --git a/fs/efivarfs/file.c b/fs/efivarfs/file.c index c424e4813ec8..d48e0d261d78 100644 --- a/fs/efivarfs/file.c +++ b/fs/efivarfs/file.c @@ -10,6 +10,7 @@ #include <linux/efi.h> #include <linux/fs.h> #include <linux/slab.h> +#include <linux/mount.h> #include "internal.h" @@ -103,9 +104,78 @@ out_free: return size; } +static int +efivarfs_ioc_getxflags(struct file *file, void __user *arg) +{ + struct inode *inode = file->f_mapping->host; + unsigned int i_flags; + unsigned int flags = 0; + + i_flags = inode->i_flags; + if (i_flags & S_IMMUTABLE) + flags |= FS_IMMUTABLE_FL; + + if (copy_to_user(arg, &flags, sizeof(flags))) + return -EFAULT; + return 0; +} + +static int +efivarfs_ioc_setxflags(struct file *file, void __user *arg) +{ + struct inode *inode = file->f_mapping->host; + unsigned int flags; + unsigned int i_flags = 0; + int error; + + if (!inode_owner_or_capable(inode)) + return -EACCES; + + if (copy_from_user(&flags, arg, sizeof(flags))) + return -EFAULT; + + if (flags & ~FS_IMMUTABLE_FL) + return -EOPNOTSUPP; + + if (!capable(CAP_LINUX_IMMUTABLE)) + return -EPERM; + + if (flags & FS_IMMUTABLE_FL) + i_flags |= S_IMMUTABLE; + + + error = mnt_want_write_file(file); + if (error) + return error; + + inode_lock(inode); + inode_set_flags(inode, i_flags, S_IMMUTABLE); + inode_unlock(inode); + + mnt_drop_write_file(file); + + return 0; +} + +long +efivarfs_file_ioctl(struct file *file, unsigned int cmd, unsigned long p) +{ + void __user *arg = (void __user *)p; + + switch (cmd) { + case FS_IOC_GETFLAGS: + return efivarfs_ioc_getxflags(file, arg); + case FS_IOC_SETFLAGS: + return efivarfs_ioc_setxflags(file, arg); + } + + return -ENOTTY; +} + const struct file_operations efivarfs_file_operations = { .open = simple_open, .read = efivarfs_file_read, .write = efivarfs_file_write, .llseek = no_llseek, + .unlocked_ioctl = efivarfs_file_ioctl, }; diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c index 3381b9da9ee6..e2ab6d0497f2 100644 --- a/fs/efivarfs/inode.c +++ b/fs/efivarfs/inode.c @@ -15,7 +15,8 @@ #include "internal.h" struct inode *efivarfs_get_inode(struct super_block *sb, - const struct inode *dir, int mode, dev_t dev) + const struct inode *dir, int mode, + dev_t dev, bool is_removable) { struct inode *inode = new_inode(sb); @@ -23,6 +24,7 @@ struct inode *efivarfs_get_inode(struct super_block *sb, inode->i_ino = get_next_ino(); inode->i_mode = mode; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_flags = is_removable ? 0 : S_IMMUTABLE; switch (mode & S_IFMT) { case S_IFREG: inode->i_fop = &efivarfs_file_operations; @@ -102,22 +104,17 @@ static void efivarfs_hex_to_guid(const char *str, efi_guid_t *guid) static int efivarfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { - struct inode *inode; + struct inode *inode = NULL; struct efivar_entry *var; int namelen, i = 0, err = 0; + bool is_removable = false; if (!efivarfs_valid_name(dentry->d_name.name, dentry->d_name.len)) return -EINVAL; - inode = efivarfs_get_inode(dir->i_sb, dir, mode, 0); - if (!inode) - return -ENOMEM; - var = kzalloc(sizeof(struct efivar_entry), GFP_KERNEL); - if (!var) { - err = -ENOMEM; - goto out; - } + if (!var) + return -ENOMEM; /* length of the variable name itself: remove GUID and separator */ namelen = dentry->d_name.len - EFI_VARIABLE_GUID_LEN - 1; @@ -125,6 +122,16 @@ static int efivarfs_create(struct inode *dir, struct dentry *dentry, efivarfs_hex_to_guid(dentry->d_name.name + namelen + 1, &var->var.VendorGuid); + if (efivar_variable_is_removable(var->var.VendorGuid, + dentry->d_name.name, namelen)) + is_removable = true; + + inode = efivarfs_get_inode(dir->i_sb, dir, mode, 0, is_removable); + if (!inode) { + err = -ENOMEM; + goto out; + } + for (i = 0; i < namelen; i++) var->var.VariableName[i] = dentry->d_name.name[i]; @@ -138,7 +145,8 @@ static int efivarfs_create(struct inode *dir, struct dentry *dentry, out: if (err) { kfree(var); - iput(inode); + if (inode) + iput(inode); } return err; } diff --git a/fs/efivarfs/internal.h b/fs/efivarfs/internal.h index b5ff16addb7c..b4505188e799 100644 --- a/fs/efivarfs/internal.h +++ b/fs/efivarfs/internal.h @@ -15,7 +15,8 @@ extern const struct file_operations efivarfs_file_operations; extern const struct inode_operations efivarfs_dir_inode_operations; extern bool efivarfs_valid_name(const char *str, int len); extern struct inode *efivarfs_get_inode(struct super_block *sb, - const struct inode *dir, int mode, dev_t dev); + const struct inode *dir, int mode, dev_t dev, + bool is_removable); extern struct list_head efivarfs_list; diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c index b8a564f29107..dd029d13ea61 100644 --- a/fs/efivarfs/super.c +++ b/fs/efivarfs/super.c @@ -118,8 +118,9 @@ static int efivarfs_callback(efi_char16_t *name16, efi_guid_t vendor, struct dentry *dentry, *root = sb->s_root; unsigned long size = 0; char *name; - int len, i; + int len; int err = -ENOMEM; + bool is_removable = false; entry = kzalloc(sizeof(*entry), GFP_KERNEL); if (!entry) @@ -128,15 +129,17 @@ static int efivarfs_callback(efi_char16_t *name16, efi_guid_t vendor, memcpy(entry->var.VariableName, name16, name_size); memcpy(&(entry->var.VendorGuid), &vendor, sizeof(efi_guid_t)); - len = ucs2_strlen(entry->var.VariableName); + len = ucs2_utf8size(entry->var.VariableName); /* name, plus '-', plus GUID, plus NUL*/ name = kmalloc(len + 1 + EFI_VARIABLE_GUID_LEN + 1, GFP_KERNEL); if (!name) goto fail; - for (i = 0; i < len; i++) - name[i] = entry->var.VariableName[i] & 0xFF; + ucs2_as_utf8(name, entry->var.VariableName, len); + + if (efivar_variable_is_removable(entry->var.VendorGuid, name, len)) + is_removable = true; name[len] = '-'; @@ -144,7 +147,8 @@ static int efivarfs_callback(efi_char16_t *name16, efi_guid_t vendor, name[len + EFI_VARIABLE_GUID_LEN+1] = '\0'; - inode = efivarfs_get_inode(sb, d_inode(root), S_IFREG | 0644, 0); + inode = efivarfs_get_inode(sb, d_inode(root), S_IFREG | 0644, 0, + is_removable); if (!inode) goto fail_name; @@ -200,7 +204,7 @@ static int efivarfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_d_op = &efivarfs_d_ops; sb->s_time_gran = 1; - inode = efivarfs_get_inode(sb, NULL, S_IFDIR | 0755, 0); + inode = efivarfs_get_inode(sb, NULL, S_IFDIR | 0755, 0, true); if (!inode) return -ENOMEM; inode->i_op = &efivarfs_dir_inode_operations; diff --git a/fs/eventpoll.c b/fs/eventpoll.c index ae1dbcf47e97..cde60741cad2 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -94,6 +94,11 @@ /* Epoll private bits inside the event mask */ #define EP_PRIVATE_BITS (EPOLLWAKEUP | EPOLLONESHOT | EPOLLET | EPOLLEXCLUSIVE) +#define EPOLLINOUT_BITS (POLLIN | POLLOUT) + +#define EPOLLEXCLUSIVE_OK_BITS (EPOLLINOUT_BITS | POLLERR | POLLHUP | \ + EPOLLWAKEUP | EPOLLET | EPOLLEXCLUSIVE) + /* Maximum number of nesting allowed inside epoll sets */ #define EP_MAX_NESTS 4 @@ -1068,7 +1073,22 @@ static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *k * wait list. */ if (waitqueue_active(&ep->wq)) { - ewake = 1; + if ((epi->event.events & EPOLLEXCLUSIVE) && + !((unsigned long)key & POLLFREE)) { + switch ((unsigned long)key & EPOLLINOUT_BITS) { + case POLLIN: + if (epi->event.events & POLLIN) + ewake = 1; + break; + case POLLOUT: + if (epi->event.events & POLLOUT) + ewake = 1; + break; + case 0: + ewake = 1; + break; + } + } wake_up_locked(&ep->wq); } if (waitqueue_active(&ep->poll_wait)) @@ -1875,9 +1895,13 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, * so EPOLLEXCLUSIVE is not allowed for a EPOLL_CTL_MOD operation. * Also, we do not currently supported nested exclusive wakeups. */ - if ((epds.events & EPOLLEXCLUSIVE) && (op == EPOLL_CTL_MOD || - (op == EPOLL_CTL_ADD && is_file_epoll(tf.file)))) - goto error_tgt_fput; + if (epds.events & EPOLLEXCLUSIVE) { + if (op == EPOLL_CTL_MOD) + goto error_tgt_fput; + if (op == EPOLL_CTL_ADD && (is_file_epoll(tf.file) || + (epds.events & ~EPOLLEXCLUSIVE_OK_BITS))) + goto error_tgt_fput; + } /* * At this point it is safe to assume that the "private_data" contains @@ -1950,8 +1974,10 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, break; case EPOLL_CTL_MOD: if (epi) { - epds.events |= POLLERR | POLLHUP; - error = ep_modify(ep, epi, &epds); + if (!(epi->event.events & EPOLLEXCLUSIVE)) { + epds.events |= POLLERR | POLLHUP; + error = ep_modify(ep, epi, &epds); + } } else error = -ENOENT; break; diff --git a/fs/ext2/file.c b/fs/ext2/file.c index 2c88d683cd91..c1400b109805 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -80,23 +80,6 @@ static int ext2_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, return ret; } -static int ext2_dax_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - struct inode *inode = file_inode(vma->vm_file); - struct ext2_inode_info *ei = EXT2_I(inode); - int ret; - - sb_start_pagefault(inode->i_sb); - file_update_time(vma->vm_file); - down_read(&ei->dax_sem); - - ret = __dax_mkwrite(vma, vmf, ext2_get_block, NULL); - - up_read(&ei->dax_sem); - sb_end_pagefault(inode->i_sb); - return ret; -} - static int ext2_dax_pfn_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) { @@ -124,7 +107,7 @@ static int ext2_dax_pfn_mkwrite(struct vm_area_struct *vma, static const struct vm_operations_struct ext2_dax_vm_ops = { .fault = ext2_dax_fault, .pmd_fault = ext2_dax_pmd_fault, - .page_mkwrite = ext2_dax_mkwrite, + .page_mkwrite = ext2_dax_fault, .pfn_mkwrite = ext2_dax_pfn_mkwrite, }; diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 338eefda70c6..6bd58e6ff038 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -737,8 +737,10 @@ static int ext2_get_blocks(struct inode *inode, * so that it's not found by another thread before it's * initialised */ - err = dax_clear_blocks(inode, le32_to_cpu(chain[depth-1].key), - 1 << inode->i_blkbits); + err = dax_clear_sectors(inode->i_sb->s_bdev, + le32_to_cpu(chain[depth-1].key) << + (inode->i_blkbits - 9), + 1 << inode->i_blkbits); if (err) { mutex_unlock(&ei->truncate_mutex); goto cleanup; @@ -874,6 +876,14 @@ ext2_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset) static int ext2_writepages(struct address_space *mapping, struct writeback_control *wbc) { +#ifdef CONFIG_FS_DAX + if (dax_mapping(mapping)) { + return dax_writeback_mapping_range(mapping, + mapping->host->i_sb->s_bdev, + wbc); + } +#endif + return mpage_writepages(mapping, wbc, ext2_get_block); } @@ -1296,7 +1306,7 @@ void ext2_set_inode_flags(struct inode *inode) inode->i_flags |= S_NOATIME; if (flags & EXT2_DIRSYNC_FL) inode->i_flags |= S_DIRSYNC; - if (test_opt(inode->i_sb, DAX)) + if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode)) inode->i_flags |= S_DAX; } diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index ec0668a60678..fe1f50fe764f 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -191,7 +191,6 @@ static int ext4_init_block_bitmap(struct super_block *sb, /* If checksum is bad mark all blocks used to prevent allocation * essentially implementing a per-group read-only flag. */ if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) { - ext4_error(sb, "Checksum bad for group %u", block_group); grp = ext4_get_group_info(sb, block_group); if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp)) percpu_counter_sub(&sbi->s_freeclusters_counter, @@ -442,14 +441,16 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group) } ext4_lock_group(sb, block_group); if (desc->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) { - err = ext4_init_block_bitmap(sb, bh, block_group, desc); set_bitmap_uptodate(bh); set_buffer_uptodate(bh); ext4_unlock_group(sb, block_group); unlock_buffer(bh); - if (err) + if (err) { + ext4_error(sb, "Failed to init block bitmap for group " + "%u: %d", block_group, err); goto out; + } goto verify; } ext4_unlock_group(sb, block_group); diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c index c8021208a7eb..38f7562489bb 100644 --- a/fs/ext4/crypto.c +++ b/fs/ext4/crypto.c @@ -467,3 +467,59 @@ uint32_t ext4_validate_encryption_key_size(uint32_t mode, uint32_t size) return size; return 0; } + +/* + * Validate dentries for encrypted directories to make sure we aren't + * potentially caching stale data after a key has been added or + * removed. + */ +static int ext4_d_revalidate(struct dentry *dentry, unsigned int flags) +{ + struct inode *dir = d_inode(dentry->d_parent); + struct ext4_crypt_info *ci = EXT4_I(dir)->i_crypt_info; + int dir_has_key, cached_with_key; + + if (!ext4_encrypted_inode(dir)) + return 0; + + if (ci && ci->ci_keyring_key && + (ci->ci_keyring_key->flags & ((1 << KEY_FLAG_INVALIDATED) | + (1 << KEY_FLAG_REVOKED) | + (1 << KEY_FLAG_DEAD)))) + ci = NULL; + + /* this should eventually be an flag in d_flags */ + cached_with_key = dentry->d_fsdata != NULL; + dir_has_key = (ci != NULL); + + /* + * If the dentry was cached without the key, and it is a + * negative dentry, it might be a valid name. We can't check + * if the key has since been made available due to locking + * reasons, so we fail the validation so ext4_lookup() can do + * this check. + * + * We also fail the validation if the dentry was created with + * the key present, but we no longer have the key, or vice versa. + */ + if ((!cached_with_key && d_is_negative(dentry)) || + (!cached_with_key && dir_has_key) || + (cached_with_key && !dir_has_key)) { +#if 0 /* Revalidation debug */ + char buf[80]; + char *cp = simple_dname(dentry, buf, sizeof(buf)); + + if (IS_ERR(cp)) + cp = (char *) "???"; + pr_err("revalidate: %s %p %d %d %d\n", cp, dentry->d_fsdata, + cached_with_key, d_is_negative(dentry), + dir_has_key); +#endif + return 0; + } + return 1; +} + +const struct dentry_operations ext4_encrypted_d_ops = { + .d_revalidate = ext4_d_revalidate, +}; diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 1d1bca74f844..33f5e2a50cf8 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -111,6 +111,12 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) int dir_has_error = 0; struct ext4_str fname_crypto_str = {.name = NULL, .len = 0}; + if (ext4_encrypted_inode(inode)) { + err = ext4_get_encryption_info(inode); + if (err && err != -ENOKEY) + return err; + } + if (is_dx_dir(inode)) { err = ext4_dx_readdir(file, ctx); if (err != ERR_BAD_DX_DIR) { @@ -157,8 +163,11 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) index, 1); file->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT; bh = ext4_bread(NULL, inode, map.m_lblk, 0); - if (IS_ERR(bh)) - return PTR_ERR(bh); + if (IS_ERR(bh)) { + err = PTR_ERR(bh); + bh = NULL; + goto errout; + } } if (!bh) { diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 0662b285dc8a..157b458a69d4 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2302,6 +2302,7 @@ struct page *ext4_encrypt(struct inode *inode, int ext4_decrypt(struct page *page); int ext4_encrypted_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk, ext4_lblk_t len); +extern const struct dentry_operations ext4_encrypted_d_ops; #ifdef CONFIG_EXT4_FS_ENCRYPTION int ext4_init_crypto(void); diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 0ffabaf90aa5..3753ceb0b0dd 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3928,7 +3928,7 @@ static int convert_initialized_extent(handle_t *handle, struct inode *inode, struct ext4_map_blocks *map, struct ext4_ext_path **ppath, int flags, - unsigned int allocated, ext4_fsblk_t newblock) + unsigned int allocated) { struct ext4_ext_path *path = *ppath; struct ext4_extent *ex; @@ -4347,7 +4347,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, (flags & EXT4_GET_BLOCKS_CONVERT_UNWRITTEN)) { allocated = convert_initialized_extent( handle, inode, map, &path, - flags, allocated, newblock); + flags, allocated); goto out2; } else if (!ext4_ext_is_unwritten(ex)) goto out; diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 1126436dada1..4cd318f31cbe 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -262,23 +262,8 @@ static int ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, return result; } -static int ext4_dax_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - int err; - struct inode *inode = file_inode(vma->vm_file); - - sb_start_pagefault(inode->i_sb); - file_update_time(vma->vm_file); - down_read(&EXT4_I(inode)->i_mmap_sem); - err = __dax_mkwrite(vma, vmf, ext4_dax_mmap_get_block, NULL); - up_read(&EXT4_I(inode)->i_mmap_sem); - sb_end_pagefault(inode->i_sb); - - return err; -} - /* - * Handle write fault for VM_MIXEDMAP mappings. Similarly to ext4_dax_mkwrite() + * Handle write fault for VM_MIXEDMAP mappings. Similarly to ext4_dax_fault() * handler we check for races agaist truncate. Note that since we cycle through * i_mmap_sem, we are sure that also any hole punching that began before we * were called is finished by now and so if it included part of the file we @@ -311,7 +296,7 @@ static int ext4_dax_pfn_mkwrite(struct vm_area_struct *vma, static const struct vm_operations_struct ext4_dax_vm_ops = { .fault = ext4_dax_fault, .pmd_fault = ext4_dax_pmd_fault, - .page_mkwrite = ext4_dax_mkwrite, + .page_mkwrite = ext4_dax_fault, .pfn_mkwrite = ext4_dax_pfn_mkwrite, }; #else @@ -350,6 +335,7 @@ static int ext4_file_open(struct inode * inode, struct file * filp) struct super_block *sb = inode->i_sb; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct vfsmount *mnt = filp->f_path.mnt; + struct inode *dir = filp->f_path.dentry->d_parent->d_inode; struct path path; char buf[64], *cp; int ret; @@ -393,6 +379,14 @@ static int ext4_file_open(struct inode * inode, struct file * filp) if (ext4_encryption_info(inode) == NULL) return -ENOKEY; } + if (ext4_encrypted_inode(dir) && + !ext4_is_child_context_consistent_with_parent(dir, inode)) { + ext4_warning(inode->i_sb, + "Inconsistent encryption contexts: %lu/%lu\n", + (unsigned long) dir->i_ino, + (unsigned long) inode->i_ino); + return -EPERM; + } /* * Set up the jbd2_inode if we are opening the inode for * writing and the journal is present diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 3fcfd50a2e8a..acc0ad56bf2f 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -76,7 +76,6 @@ static int ext4_init_inode_bitmap(struct super_block *sb, /* If checksum is bad mark all blocks and inodes use to prevent * allocation, essentially implementing a per-group read-only flag. */ if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) { - ext4_error(sb, "Checksum bad for group %u", block_group); grp = ext4_get_group_info(sb, block_group); if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp)) percpu_counter_sub(&sbi->s_freeclusters_counter, @@ -191,8 +190,11 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group) set_buffer_verified(bh); ext4_unlock_group(sb, block_group); unlock_buffer(bh); - if (err) + if (err) { + ext4_error(sb, "Failed to init inode bitmap for group " + "%u: %d", block_group, err); goto out; + } return bh; } ext4_unlock_group(sb, block_group); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 83bc8bfb3bea..aee960b1af34 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -686,6 +686,34 @@ out_sem: return retval; } +/* + * Update EXT4_MAP_FLAGS in bh->b_state. For buffer heads attached to pages + * we have to be careful as someone else may be manipulating b_state as well. + */ +static void ext4_update_bh_state(struct buffer_head *bh, unsigned long flags) +{ + unsigned long old_state; + unsigned long new_state; + + flags &= EXT4_MAP_FLAGS; + + /* Dummy buffer_head? Set non-atomically. */ + if (!bh->b_page) { + bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | flags; + return; + } + /* + * Someone else may be modifying b_state. Be careful! This is ugly but + * once we get rid of using bh as a container for mapping information + * to pass to / from get_block functions, this can go away. + */ + do { + old_state = READ_ONCE(bh->b_state); + new_state = (old_state & ~EXT4_MAP_FLAGS) | flags; + } while (unlikely( + cmpxchg(&bh->b_state, old_state, new_state) != old_state)); +} + /* Maximum number of blocks we map for direct IO at once. */ #define DIO_MAX_BLOCKS 4096 @@ -722,7 +750,7 @@ static int _ext4_get_block(struct inode *inode, sector_t iblock, ext4_io_end_t *io_end = ext4_inode_aio(inode); map_bh(bh, inode->i_sb, map.m_pblk); - bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | map.m_flags; + ext4_update_bh_state(bh, map.m_flags); if (io_end && io_end->flag & EXT4_IO_END_UNWRITTEN) set_buffer_defer_completion(bh); bh->b_size = inode->i_sb->s_blocksize * map.m_len; @@ -1685,7 +1713,7 @@ int ext4_da_get_block_prep(struct inode *inode, sector_t iblock, return ret; map_bh(bh, inode->i_sb, map.m_pblk); - bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | map.m_flags; + ext4_update_bh_state(bh, map.m_flags); if (buffer_unwritten(bh)) { /* A delayed write to unwritten bh should be marked @@ -2450,6 +2478,10 @@ static int ext4_writepages(struct address_space *mapping, trace_ext4_writepages(inode, wbc); + if (dax_mapping(mapping)) + return dax_writeback_mapping_range(mapping, inode->i_sb->s_bdev, + wbc); + /* * No pages to write? This is mainly a kludge to avoid starting * a transaction for special inodes like journal inode on last iput() @@ -3253,29 +3285,29 @@ static ssize_t ext4_ext_direct_IO(struct kiocb *iocb, struct iov_iter *iter, * case, we allocate an io_end structure to hook to the iocb. */ iocb->private = NULL; - ext4_inode_aio_set(inode, NULL); - if (!is_sync_kiocb(iocb)) { - io_end = ext4_init_io_end(inode, GFP_NOFS); - if (!io_end) { - ret = -ENOMEM; - goto retake_lock; - } - /* - * Grab reference for DIO. Will be dropped in ext4_end_io_dio() - */ - iocb->private = ext4_get_io_end(io_end); - /* - * we save the io structure for current async direct - * IO, so that later ext4_map_blocks() could flag the - * io structure whether there is a unwritten extents - * needs to be converted when IO is completed. - */ - ext4_inode_aio_set(inode, io_end); - } - if (overwrite) { get_block_func = ext4_get_block_overwrite; } else { + ext4_inode_aio_set(inode, NULL); + if (!is_sync_kiocb(iocb)) { + io_end = ext4_init_io_end(inode, GFP_NOFS); + if (!io_end) { + ret = -ENOMEM; + goto retake_lock; + } + /* + * Grab reference for DIO. Will be dropped in + * ext4_end_io_dio() + */ + iocb->private = ext4_get_io_end(io_end); + /* + * we save the io structure for current async direct + * IO, so that later ext4_map_blocks() could flag the + * io structure whether there is a unwritten extents + * needs to be converted when IO is completed. + */ + ext4_inode_aio_set(inode, io_end); + } get_block_func = ext4_get_block_write; dio_flags = DIO_LOCKING; } @@ -4127,7 +4159,7 @@ void ext4_set_inode_flags(struct inode *inode) new_fl |= S_NOATIME; if (flags & EXT4_DIRSYNC_FL) new_fl |= S_DIRSYNC; - if (test_opt(inode->i_sb, DAX)) + if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode)) new_fl |= S_DAX; inode_set_flags(inode, new_fl, S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_DAX); diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 0f6c36922c24..eae5917c534e 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -208,7 +208,7 @@ static int ext4_ioctl_setflags(struct inode *inode, { struct ext4_inode_info *ei = EXT4_I(inode); handle_t *handle = NULL; - int err = EPERM, migrate = 0; + int err = -EPERM, migrate = 0; struct ext4_iloc iloc; unsigned int oldflags, mask, i; unsigned int jflag; @@ -583,6 +583,11 @@ group_extend_out: "Online defrag not supported with bigalloc"); err = -EOPNOTSUPP; goto mext_out; + } else if (IS_DAX(inode)) { + ext4_msg(sb, KERN_ERR, + "Online defrag not supported with DAX"); + err = -EOPNOTSUPP; + goto mext_out; } err = mnt_want_write_file(filp); diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 61eaf74dca37..4424b7bf8ac6 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2285,7 +2285,7 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v) if (group == 0) seq_puts(seq, "#group: free frags first [" " 2^0 2^1 2^2 2^3 2^4 2^5 2^6 " - " 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]"); + " 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]\n"); i = (sb->s_blocksize_bits + 2) * sizeof(sg.info.bb_counters[0]) + sizeof(struct ext4_group_info); diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index fb6f11709ae6..e032a0423e35 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -265,11 +265,12 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode, ext4_lblk_t orig_blk_offset, donor_blk_offset; unsigned long blocksize = orig_inode->i_sb->s_blocksize; unsigned int tmp_data_size, data_size, replaced_size; - int err2, jblocks, retries = 0; + int i, err2, jblocks, retries = 0; int replaced_count = 0; int from = data_offset_in_page << orig_inode->i_blkbits; int blocks_per_page = PAGE_CACHE_SIZE >> orig_inode->i_blkbits; struct super_block *sb = orig_inode->i_sb; + struct buffer_head *bh = NULL; /* * It needs twice the amount of ordinary journal buffers because @@ -380,8 +381,16 @@ data_copy: } /* Perform all necessary steps similar write_begin()/write_end() * but keeping in mind that i_size will not change */ - *err = __block_write_begin(pagep[0], from, replaced_size, - ext4_get_block); + if (!page_has_buffers(pagep[0])) + create_empty_buffers(pagep[0], 1 << orig_inode->i_blkbits, 0); + bh = page_buffers(pagep[0]); + for (i = 0; i < data_offset_in_page; i++) + bh = bh->b_this_page; + for (i = 0; i < block_len_in_page; i++) { + *err = ext4_get_block(orig_inode, orig_blk_offset + i, bh, 0); + if (*err < 0) + break; + } if (!*err) *err = block_commit_write(pagep[0], from, from + replaced_size); diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 06574dd77614..48e4b8907826 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1558,6 +1558,24 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi struct ext4_dir_entry_2 *de; struct buffer_head *bh; + if (ext4_encrypted_inode(dir)) { + int res = ext4_get_encryption_info(dir); + + /* + * This should be a properly defined flag for + * dentry->d_flags when we uplift this to the VFS. + * d_fsdata is set to (void *) 1 if if the dentry is + * created while the directory was encrypted and we + * don't have access to the key. + */ + dentry->d_fsdata = NULL; + if (ext4_encryption_info(dir)) + dentry->d_fsdata = (void *) 1; + d_set_d_op(dentry, &ext4_encrypted_d_ops); + if (res && res != -ENOKEY) + return ERR_PTR(res); + } + if (dentry->d_name.len > EXT4_NAME_LEN) return ERR_PTR(-ENAMETOOLONG); @@ -1585,11 +1603,15 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi return ERR_PTR(-EFSCORRUPTED); } if (!IS_ERR(inode) && ext4_encrypted_inode(dir) && - (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || - S_ISLNK(inode->i_mode)) && + (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) && !ext4_is_child_context_consistent_with_parent(dir, inode)) { + int nokey = ext4_encrypted_inode(inode) && + !ext4_encryption_info(inode); + iput(inode); + if (nokey) + return ERR_PTR(-ENOKEY); ext4_warning(inode->i_sb, "Inconsistent encryption contexts: %lu/%lu\n", (unsigned long) dir->i_ino, diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index ad62d7acc315..34038e3598d5 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -198,7 +198,7 @@ static struct ext4_new_flex_group_data *alloc_flex_gd(unsigned long flexbg_size) if (flex_gd == NULL) goto out3; - if (flexbg_size >= UINT_MAX / sizeof(struct ext4_new_flex_group_data)) + if (flexbg_size >= UINT_MAX / sizeof(struct ext4_new_group_data)) goto out2; flex_gd->count = flexbg_size; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 6915c950e6e8..1f76d8950a57 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -317,6 +317,7 @@ static void inode_switch_wbs_work_fn(struct work_struct *work) struct inode_switch_wbs_context *isw = container_of(work, struct inode_switch_wbs_context, work); struct inode *inode = isw->inode; + struct super_block *sb = inode->i_sb; struct address_space *mapping = inode->i_mapping; struct bdi_writeback *old_wb = inode->i_wb; struct bdi_writeback *new_wb = isw->new_wb; @@ -423,6 +424,7 @@ skip_switch: wb_put(new_wb); iput(inode); + deactivate_super(sb); kfree(isw); } @@ -469,11 +471,14 @@ static void inode_switch_wbs(struct inode *inode, int new_wb_id) /* while holding I_WB_SWITCH, no one else can update the association */ spin_lock(&inode->i_lock); + if (inode->i_state & (I_WB_SWITCH | I_FREEING) || - inode_to_wb(inode) == isw->new_wb) { - spin_unlock(&inode->i_lock); - goto out_free; - } + inode_to_wb(inode) == isw->new_wb) + goto out_unlock; + + if (!atomic_inc_not_zero(&inode->i_sb->s_active)) + goto out_unlock; + inode->i_state |= I_WB_SWITCH; spin_unlock(&inode->i_lock); @@ -489,6 +494,8 @@ static void inode_switch_wbs(struct inode *inode, int new_wb_id) call_rcu(&isw->rcu_head, inode_switch_wbs_rcu_fn); return; +out_unlock: + spin_unlock(&inode->i_lock); out_free: if (isw->new_wb) wb_put(isw->new_wb); diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c index 506765afa1a3..bb8d67e2740a 100644 --- a/fs/hpfs/namei.c +++ b/fs/hpfs/namei.c @@ -376,12 +376,11 @@ static int hpfs_unlink(struct inode *dir, struct dentry *dentry) struct inode *inode = d_inode(dentry); dnode_secno dno; int r; - int rep = 0; int err; hpfs_lock(dir->i_sb); hpfs_adjust_length(name, &len); -again: + err = -ENOENT; de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, &dno, &qbh); if (!de) @@ -401,33 +400,9 @@ again: hpfs_error(dir->i_sb, "there was error when removing dirent"); err = -EFSERROR; break; - case 2: /* no space for deleting, try to truncate file */ - + case 2: /* no space for deleting */ err = -ENOSPC; - if (rep++) - break; - - dentry_unhash(dentry); - if (!d_unhashed(dentry)) { - hpfs_unlock(dir->i_sb); - return -ENOSPC; - } - if (generic_permission(inode, MAY_WRITE) || - !S_ISREG(inode->i_mode) || - get_write_access(inode)) { - d_rehash(dentry); - } else { - struct iattr newattrs; - /*pr_info("truncating file before delete.\n");*/ - newattrs.ia_size = 0; - newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME; - err = notify_change(dentry, &newattrs, NULL); - put_write_access(inode); - if (!err) - goto again; - } - hpfs_unlock(dir->i_sb); - return -ENOSPC; + break; default: drop_nlink(inode); err = 0; diff --git a/fs/inode.c b/fs/inode.c index 9f62db3bcc3e..69b8b526c194 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -154,6 +154,12 @@ int inode_init_always(struct super_block *sb, struct inode *inode) inode->i_rdev = 0; inode->dirtied_when = 0; +#ifdef CONFIG_CGROUP_WRITEBACK + inode->i_wb_frn_winner = 0; + inode->i_wb_frn_avg_time = 0; + inode->i_wb_frn_history = 0; +#endif + if (security_inode_alloc(inode)) goto out; spin_lock_init(&inode->i_lock); diff --git a/fs/jffs2/README.Locking b/fs/jffs2/README.Locking index 3ea36554107f..8918ac905a3b 100644 --- a/fs/jffs2/README.Locking +++ b/fs/jffs2/README.Locking @@ -2,10 +2,6 @@ JFFS2 LOCKING DOCUMENTATION --------------------------- -At least theoretically, JFFS2 does not require the Big Kernel Lock -(BKL), which was always helpfully obtained for it by Linux 2.4 VFS -code. It has its own locking, as described below. - This document attempts to describe the existing locking rules for JFFS2. It is not expected to remain perfectly up to date, but ought to be fairly close. @@ -69,6 +65,7 @@ Ordering constraints: any f->sem held. 2. Never attempt to lock two file mutexes in one thread. No ordering rules have been made for doing so. + 3. Never lock a page cache page with f->sem held. erase_completion_lock spinlock diff --git a/fs/jffs2/build.c b/fs/jffs2/build.c index 0ae91ad6df2d..b288c8ae1236 100644 --- a/fs/jffs2/build.c +++ b/fs/jffs2/build.c @@ -50,7 +50,8 @@ next_inode(int *i, struct jffs2_inode_cache *ic, struct jffs2_sb_info *c) static void jffs2_build_inode_pass1(struct jffs2_sb_info *c, - struct jffs2_inode_cache *ic) + struct jffs2_inode_cache *ic, + int *dir_hardlinks) { struct jffs2_full_dirent *fd; @@ -69,19 +70,21 @@ static void jffs2_build_inode_pass1(struct jffs2_sb_info *c, dbg_fsbuild("child \"%s\" (ino #%u) of dir ino #%u doesn't exist!\n", fd->name, fd->ino, ic->ino); jffs2_mark_node_obsolete(c, fd->raw); + /* Clear the ic/raw union so it doesn't cause problems later. */ + fd->ic = NULL; continue; } + /* From this point, fd->raw is no longer used so we can set fd->ic */ + fd->ic = child_ic; + child_ic->pino_nlink++; + /* If we appear (at this stage) to have hard-linked directories, + * set a flag to trigger a scan later */ if (fd->type == DT_DIR) { - if (child_ic->pino_nlink) { - JFFS2_ERROR("child dir \"%s\" (ino #%u) of dir ino #%u appears to be a hard link\n", - fd->name, fd->ino, ic->ino); - /* TODO: What do we do about it? */ - } else { - child_ic->pino_nlink = ic->ino; - } - } else - child_ic->pino_nlink++; + child_ic->flags |= INO_FLAGS_IS_DIR; + if (child_ic->pino_nlink > 1) + *dir_hardlinks = 1; + } dbg_fsbuild("increased nlink for child \"%s\" (ino #%u)\n", fd->name, fd->ino); /* Can't free scan_dents so far. We might need them in pass 2 */ @@ -95,8 +98,7 @@ static void jffs2_build_inode_pass1(struct jffs2_sb_info *c, */ static int jffs2_build_filesystem(struct jffs2_sb_info *c) { - int ret; - int i; + int ret, i, dir_hardlinks = 0; struct jffs2_inode_cache *ic; struct jffs2_full_dirent *fd; struct jffs2_full_dirent *dead_fds = NULL; @@ -120,7 +122,7 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c) /* Now scan the directory tree, increasing nlink according to every dirent found. */ for_each_inode(i, c, ic) { if (ic->scan_dents) { - jffs2_build_inode_pass1(c, ic); + jffs2_build_inode_pass1(c, ic, &dir_hardlinks); cond_resched(); } } @@ -156,6 +158,20 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c) } dbg_fsbuild("pass 2a complete\n"); + + if (dir_hardlinks) { + /* If we detected directory hardlinks earlier, *hopefully* + * they are gone now because some of the links were from + * dead directories which still had some old dirents lying + * around and not yet garbage-collected, but which have + * been discarded above. So clear the pino_nlink field + * in each directory, so that the final scan below can + * print appropriate warnings. */ + for_each_inode(i, c, ic) { + if (ic->flags & INO_FLAGS_IS_DIR) + ic->pino_nlink = 0; + } + } dbg_fsbuild("freeing temporary data structures\n"); /* Finally, we can scan again and free the dirent structs */ @@ -163,6 +179,33 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c) while(ic->scan_dents) { fd = ic->scan_dents; ic->scan_dents = fd->next; + /* We do use the pino_nlink field to count nlink of + * directories during fs build, so set it to the + * parent ino# now. Now that there's hopefully only + * one. */ + if (fd->type == DT_DIR) { + if (!fd->ic) { + /* We'll have complained about it and marked the coresponding + raw node obsolete already. Just skip it. */ + continue; + } + + /* We *have* to have set this in jffs2_build_inode_pass1() */ + BUG_ON(!(fd->ic->flags & INO_FLAGS_IS_DIR)); + + /* We clear ic->pino_nlink ∀ directories' ic *only* if dir_hardlinks + * is set. Otherwise, we know this should never trigger anyway, so + * we don't do the check. And ic->pino_nlink still contains the nlink + * value (which is 1). */ + if (dir_hardlinks && fd->ic->pino_nlink) { + JFFS2_ERROR("child dir \"%s\" (ino #%u) of dir ino #%u is also hard linked from dir ino #%u\n", + fd->name, fd->ino, ic->ino, fd->ic->pino_nlink); + /* Should we unlink it from its previous parent? */ + } + + /* For directories, ic->pino_nlink holds that parent inode # */ + fd->ic->pino_nlink = ic->ino; + } jffs2_free_full_dirent(fd); } ic->scan_dents = NULL; @@ -241,11 +284,7 @@ static void jffs2_build_remove_unlinked_inode(struct jffs2_sb_info *c, /* Reduce nlink of the child. If it's now zero, stick it on the dead_fds list to be cleaned up later. Else just free the fd */ - - if (fd->type == DT_DIR) - child_ic->pino_nlink = 0; - else - child_ic->pino_nlink--; + child_ic->pino_nlink--; if (!child_ic->pino_nlink) { dbg_fsbuild("inode #%u (\"%s\") now has no links; adding to dead_fds list.\n", diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index c5ac5944bc1b..cad86bac3453 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -137,39 +137,33 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, struct page *pg; struct inode *inode = mapping->host; struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); - struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); - struct jffs2_raw_inode ri; - uint32_t alloc_len = 0; pgoff_t index = pos >> PAGE_CACHE_SHIFT; uint32_t pageofs = index << PAGE_CACHE_SHIFT; int ret = 0; - jffs2_dbg(1, "%s()\n", __func__); - - if (pageofs > inode->i_size) { - ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len, - ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE); - if (ret) - return ret; - } - - mutex_lock(&f->sem); pg = grab_cache_page_write_begin(mapping, index, flags); - if (!pg) { - if (alloc_len) - jffs2_complete_reservation(c); - mutex_unlock(&f->sem); + if (!pg) return -ENOMEM; - } *pagep = pg; - if (alloc_len) { + jffs2_dbg(1, "%s()\n", __func__); + + if (pageofs > inode->i_size) { /* Make new hole frag from old EOF to new page */ + struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); + struct jffs2_raw_inode ri; struct jffs2_full_dnode *fn; + uint32_t alloc_len; jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new page\n", (unsigned int)inode->i_size, pageofs); + ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len, + ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE); + if (ret) + goto out_page; + + mutex_lock(&f->sem); memset(&ri, 0, sizeof(ri)); ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK); @@ -196,6 +190,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, if (IS_ERR(fn)) { ret = PTR_ERR(fn); jffs2_complete_reservation(c); + mutex_unlock(&f->sem); goto out_page; } ret = jffs2_add_full_dnode_to_inode(c, f, fn); @@ -210,10 +205,12 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, jffs2_mark_node_obsolete(c, fn->raw); jffs2_free_full_dnode(fn); jffs2_complete_reservation(c); + mutex_unlock(&f->sem); goto out_page; } jffs2_complete_reservation(c); inode->i_size = pageofs; + mutex_unlock(&f->sem); } /* @@ -222,18 +219,18 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, * case of a short-copy. */ if (!PageUptodate(pg)) { + mutex_lock(&f->sem); ret = jffs2_do_readpage_nolock(inode, pg); + mutex_unlock(&f->sem); if (ret) goto out_page; } - mutex_unlock(&f->sem); jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags); return ret; out_page: unlock_page(pg); page_cache_release(pg); - mutex_unlock(&f->sem); return ret; } diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c index 5a2dec2b064c..95d5880a63ee 100644 --- a/fs/jffs2/gc.c +++ b/fs/jffs2/gc.c @@ -1296,14 +1296,17 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era BUG_ON(start > orig_start); } - /* First, use readpage() to read the appropriate page into the page cache */ - /* Q: What happens if we actually try to GC the _same_ page for which commit_write() - * triggered garbage collection in the first place? - * A: I _think_ it's OK. read_cache_page shouldn't deadlock, we'll write out the - * page OK. We'll actually write it out again in commit_write, which is a little - * suboptimal, but at least we're correct. - */ + /* The rules state that we must obtain the page lock *before* f->sem, so + * drop f->sem temporarily. Since we also hold c->alloc_sem, nothing's + * actually going to *change* so we're safe; we only allow reading. + * + * It is important to note that jffs2_write_begin() will ensure that its + * page is marked Uptodate before allocating space. That means that if we + * end up here trying to GC the *same* page that jffs2_write_begin() is + * trying to write out, read_cache_page() will not deadlock. */ + mutex_unlock(&f->sem); pg_ptr = jffs2_gc_fetch_page(c, f, start, &pg); + mutex_lock(&f->sem); if (IS_ERR(pg_ptr)) { pr_warn("read_cache_page() returned error: %ld\n", diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h index fa35ff79ab35..0637271f3770 100644 --- a/fs/jffs2/nodelist.h +++ b/fs/jffs2/nodelist.h @@ -194,6 +194,7 @@ struct jffs2_inode_cache { #define INO_STATE_CLEARING 6 /* In clear_inode() */ #define INO_FLAGS_XATTR_CHECKED 0x01 /* has no duplicate xattr_ref */ +#define INO_FLAGS_IS_DIR 0x02 /* is a directory */ #define RAWNODE_CLASS_INODE_CACHE 0 #define RAWNODE_CLASS_XATTR_DATUM 1 @@ -249,7 +250,10 @@ struct jffs2_readinode_info struct jffs2_full_dirent { - struct jffs2_raw_node_ref *raw; + union { + struct jffs2_raw_node_ref *raw; + struct jffs2_inode_cache *ic; /* Just during part of build */ + }; struct jffs2_full_dirent *next; uint32_t version; uint32_t ino; /* == zero for unlink */ diff --git a/fs/namei.c b/fs/namei.c index f624d132e01e..9c590e0f66e9 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1712,6 +1712,11 @@ static inline int should_follow_link(struct nameidata *nd, struct path *link, return 0; if (!follow) return 0; + /* make sure that d_is_symlink above matches inode */ + if (nd->flags & LOOKUP_RCU) { + if (read_seqcount_retry(&link->dentry->d_seq, seq)) + return -ECHILD; + } return pick_link(nd, link, inode, seq); } @@ -1743,11 +1748,11 @@ static int walk_component(struct nameidata *nd, int flags) if (err < 0) return err; - inode = d_backing_inode(path.dentry); seq = 0; /* we are already out of RCU mode */ err = -ENOENT; if (d_is_negative(path.dentry)) goto out_path_put; + inode = d_backing_inode(path.dentry); } if (flags & WALK_PUT) @@ -3192,12 +3197,12 @@ retry_lookup: return error; BUG_ON(nd->flags & LOOKUP_RCU); - inode = d_backing_inode(path.dentry); seq = 0; /* out of RCU mode, so the value doesn't matter */ if (unlikely(d_is_negative(path.dentry))) { path_to_nameidata(&path, nd); return -ENOENT; } + inode = d_backing_inode(path.dentry); finish_lookup: if (nd->depth) put_link(nd); @@ -3206,11 +3211,6 @@ finish_lookup: if (unlikely(error)) return error; - if (unlikely(d_is_symlink(path.dentry)) && !(open_flag & O_PATH)) { - path_to_nameidata(&path, nd); - return -ELOOP; - } - if ((nd->flags & LOOKUP_RCU) || nd->path.mnt != path.mnt) { path_to_nameidata(&path, nd); } else { @@ -3229,6 +3229,10 @@ finish_open: return error; } audit_inode(nd->name, nd->path.dentry, 0); + if (unlikely(d_is_symlink(nd->path.dentry)) && !(open_flag & O_PATH)) { + error = -ELOOP; + goto out; + } error = -EISDIR; if ((open_flag & O_CREAT) && d_is_dir(nd->path.dentry)) goto out; @@ -3273,6 +3277,10 @@ opened: goto exit_fput; } out: + if (unlikely(error > 0)) { + WARN_ON(1); + error = -EINVAL; + } if (got_write) mnt_drop_write(nd->path.mnt); path_put(&save_parent); diff --git a/fs/nfs/blocklayout/extent_tree.c b/fs/nfs/blocklayout/extent_tree.c index c59a59c37f3d..35ab51c04814 100644 --- a/fs/nfs/blocklayout/extent_tree.c +++ b/fs/nfs/blocklayout/extent_tree.c @@ -476,6 +476,7 @@ static void ext_tree_free_commitdata(struct nfs4_layoutcommit_args *arg, for (i = 0; i < nr_pages; i++) put_page(arg->layoutupdate_pages[i]); + vfree(arg->start_p); kfree(arg->layoutupdate_pages); } else { put_page(arg->layoutupdate_page); @@ -559,10 +560,15 @@ retry: if (unlikely(arg->layoutupdate_pages != &arg->layoutupdate_page)) { void *p = start_p, *end = p + arg->layoutupdate_len; + struct page *page = NULL; int i = 0; - for ( ; p < end; p += PAGE_SIZE) - arg->layoutupdate_pages[i++] = vmalloc_to_page(p); + arg->start_p = start_p; + for ( ; p < end; p += PAGE_SIZE) { + page = vmalloc_to_page(p); + arg->layoutupdate_pages[i++] = page; + get_page(page); + } } dprintk("%s found %zu ranges\n", __func__, count); diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 5bcd92d50e82..0cb1abd535e3 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1215,7 +1215,7 @@ static int ff_layout_read_done_cb(struct rpc_task *task, hdr->pgio_mirror_idx + 1, &hdr->pgio_mirror_idx)) goto out_eagain; - set_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, + set_bit(NFS_LAYOUT_RETURN_REQUESTED, &hdr->lseg->pls_layout->plh_flags); pnfs_read_resend_pnfs(hdr); return task->tk_status; diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c index 29898a9550fa..eb370460ce20 100644 --- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c +++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c @@ -412,7 +412,7 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx, OP_ILLEGAL, GFP_NOIO); if (!fail_return) { if (ff_layout_has_available_ds(lseg)) - set_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, + set_bit(NFS_LAYOUT_RETURN_REQUESTED, &lseg->pls_layout->plh_flags); else pnfs_error_mark_layout_for_return(ino, lseg); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index bd25dc7077f7..dff83460e5a6 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -16,29 +16,8 @@ #define NFSDBG_FACILITY NFSDBG_PROC -static int nfs42_set_rw_stateid(nfs4_stateid *dst, struct file *file, - fmode_t fmode) -{ - struct nfs_open_context *open; - struct nfs_lock_context *lock; - int ret; - - open = get_nfs_open_context(nfs_file_open_context(file)); - lock = nfs_get_lock_context(open); - if (IS_ERR(lock)) { - put_nfs_open_context(open); - return PTR_ERR(lock); - } - - ret = nfs4_set_rw_stateid(dst, open, lock, fmode); - - nfs_put_lock_context(lock); - put_nfs_open_context(open); - return ret; -} - static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, - loff_t offset, loff_t len) + struct nfs_lock_context *lock, loff_t offset, loff_t len) { struct inode *inode = file_inode(filep); struct nfs_server *server = NFS_SERVER(inode); @@ -56,7 +35,8 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, msg->rpc_argp = &args; msg->rpc_resp = &res; - status = nfs42_set_rw_stateid(&args.falloc_stateid, filep, FMODE_WRITE); + status = nfs4_set_rw_stateid(&args.falloc_stateid, lock->open_context, + lock, FMODE_WRITE); if (status) return status; @@ -78,15 +58,26 @@ static int nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, { struct nfs_server *server = NFS_SERVER(file_inode(filep)); struct nfs4_exception exception = { }; + struct nfs_lock_context *lock; int err; + lock = nfs_get_lock_context(nfs_file_open_context(filep)); + if (IS_ERR(lock)) + return PTR_ERR(lock); + + exception.inode = file_inode(filep); + exception.state = lock->open_context->state; + do { - err = _nfs42_proc_fallocate(msg, filep, offset, len); - if (err == -ENOTSUPP) - return -EOPNOTSUPP; + err = _nfs42_proc_fallocate(msg, filep, lock, offset, len); + if (err == -ENOTSUPP) { + err = -EOPNOTSUPP; + break; + } err = nfs4_handle_exception(server, err, &exception); } while (exception.retry); + nfs_put_lock_context(lock); return err; } @@ -135,7 +126,8 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) return err; } -static loff_t _nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) +static loff_t _nfs42_proc_llseek(struct file *filep, + struct nfs_lock_context *lock, loff_t offset, int whence) { struct inode *inode = file_inode(filep); struct nfs42_seek_args args = { @@ -156,7 +148,8 @@ static loff_t _nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) if (!nfs_server_capable(inode, NFS_CAP_SEEK)) return -ENOTSUPP; - status = nfs42_set_rw_stateid(&args.sa_stateid, filep, FMODE_READ); + status = nfs4_set_rw_stateid(&args.sa_stateid, lock->open_context, + lock, FMODE_READ); if (status) return status; @@ -175,17 +168,28 @@ loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) { struct nfs_server *server = NFS_SERVER(file_inode(filep)); struct nfs4_exception exception = { }; + struct nfs_lock_context *lock; loff_t err; + lock = nfs_get_lock_context(nfs_file_open_context(filep)); + if (IS_ERR(lock)) + return PTR_ERR(lock); + + exception.inode = file_inode(filep); + exception.state = lock->open_context->state; + do { - err = _nfs42_proc_llseek(filep, offset, whence); + err = _nfs42_proc_llseek(filep, lock, offset, whence); if (err >= 0) break; - if (err == -ENOTSUPP) - return -EOPNOTSUPP; + if (err == -ENOTSUPP) { + err = -EOPNOTSUPP; + break; + } err = nfs4_handle_exception(server, err, &exception); } while (exception.retry); + nfs_put_lock_context(lock); return err; } @@ -298,8 +302,9 @@ int nfs42_proc_layoutstats_generic(struct nfs_server *server, } static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f, - struct file *dst_f, loff_t src_offset, - loff_t dst_offset, loff_t count) + struct file *dst_f, struct nfs_lock_context *src_lock, + struct nfs_lock_context *dst_lock, loff_t src_offset, + loff_t dst_offset, loff_t count) { struct inode *src_inode = file_inode(src_f); struct inode *dst_inode = file_inode(dst_f); @@ -320,11 +325,13 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f, msg->rpc_argp = &args; msg->rpc_resp = &res; - status = nfs42_set_rw_stateid(&args.src_stateid, src_f, FMODE_READ); + status = nfs4_set_rw_stateid(&args.src_stateid, src_lock->open_context, + src_lock, FMODE_READ); if (status) return status; - status = nfs42_set_rw_stateid(&args.dst_stateid, dst_f, FMODE_WRITE); + status = nfs4_set_rw_stateid(&args.dst_stateid, dst_lock->open_context, + dst_lock, FMODE_WRITE); if (status) return status; @@ -349,22 +356,48 @@ int nfs42_proc_clone(struct file *src_f, struct file *dst_f, }; struct inode *inode = file_inode(src_f); struct nfs_server *server = NFS_SERVER(file_inode(src_f)); - struct nfs4_exception exception = { }; - int err; + struct nfs_lock_context *src_lock; + struct nfs_lock_context *dst_lock; + struct nfs4_exception src_exception = { }; + struct nfs4_exception dst_exception = { }; + int err, err2; if (!nfs_server_capable(inode, NFS_CAP_CLONE)) return -EOPNOTSUPP; + src_lock = nfs_get_lock_context(nfs_file_open_context(src_f)); + if (IS_ERR(src_lock)) + return PTR_ERR(src_lock); + + src_exception.inode = file_inode(src_f); + src_exception.state = src_lock->open_context->state; + + dst_lock = nfs_get_lock_context(nfs_file_open_context(dst_f)); + if (IS_ERR(dst_lock)) { + err = PTR_ERR(dst_lock); + goto out_put_src_lock; + } + + dst_exception.inode = file_inode(dst_f); + dst_exception.state = dst_lock->open_context->state; + do { - err = _nfs42_proc_clone(&msg, src_f, dst_f, src_offset, - dst_offset, count); + err = _nfs42_proc_clone(&msg, src_f, dst_f, src_lock, dst_lock, + src_offset, dst_offset, count); if (err == -ENOTSUPP || err == -EOPNOTSUPP) { NFS_SERVER(inode)->caps &= ~NFS_CAP_CLONE; - return -EOPNOTSUPP; + err = -EOPNOTSUPP; + break; } - err = nfs4_handle_exception(server, err, &exception); - } while (exception.retry); - return err; + err2 = nfs4_handle_exception(server, err, &src_exception); + err = nfs4_handle_exception(server, err, &dst_exception); + if (!err) + err = err2; + } while (src_exception.retry || dst_exception.retry); + nfs_put_lock_context(dst_lock); +out_put_src_lock: + nfs_put_lock_context(src_lock); + return err; } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 4bfc33ad0563..14881594dd07 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2466,9 +2466,9 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, dentry = d_add_unique(dentry, igrab(state->inode)); if (dentry == NULL) { dentry = opendata->dentry; - } else if (dentry != ctx->dentry) { + } else { dput(ctx->dentry); - ctx->dentry = dget(dentry); + ctx->dentry = dentry; } nfs_set_verifier(dentry, nfs_save_change_attribute(d_inode(opendata->dir))); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index a3592cc34a20..2fa483e6dbe2 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -52,9 +52,7 @@ static DEFINE_SPINLOCK(pnfs_spinlock); */ static LIST_HEAD(pnfs_modules_tbl); -static int -pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, const nfs4_stateid *stateid, - enum pnfs_iomode iomode, bool sync); +static void pnfs_layoutreturn_before_put_layout_hdr(struct pnfs_layout_hdr *lo); /* Return the registered pnfs layout driver module matching given id */ static struct pnfs_layoutdriver_type * @@ -243,6 +241,8 @@ pnfs_put_layout_hdr(struct pnfs_layout_hdr *lo) { struct inode *inode = lo->plh_inode; + pnfs_layoutreturn_before_put_layout_hdr(lo); + if (atomic_dec_and_lock(&lo->plh_refcount, &inode->i_lock)) { if (!list_empty(&lo->plh_segs)) WARN_ONCE(1, "NFS: BUG unfreed layout segments.\n"); @@ -252,6 +252,27 @@ pnfs_put_layout_hdr(struct pnfs_layout_hdr *lo) } } +/* + * Mark a pnfs_layout_hdr and all associated layout segments as invalid + * + * In order to continue using the pnfs_layout_hdr, a full recovery + * is required. + * Note that caller must hold inode->i_lock. + */ +static int +pnfs_mark_layout_stateid_invalid(struct pnfs_layout_hdr *lo, + struct list_head *lseg_list) +{ + struct pnfs_layout_range range = { + .iomode = IOMODE_ANY, + .offset = 0, + .length = NFS4_MAX_UINT64, + }; + + set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); + return pnfs_mark_matching_lsegs_invalid(lo, lseg_list, &range); +} + static int pnfs_iomode_to_fail_bit(u32 iomode) { @@ -345,58 +366,6 @@ pnfs_layout_remove_lseg(struct pnfs_layout_hdr *lo, rpc_wake_up(&NFS_SERVER(inode)->roc_rpcwaitq); } -/* Return true if layoutreturn is needed */ -static bool -pnfs_layout_need_return(struct pnfs_layout_hdr *lo, - struct pnfs_layout_segment *lseg) -{ - struct pnfs_layout_segment *s; - - if (!test_and_clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) - return false; - - list_for_each_entry(s, &lo->plh_segs, pls_list) - if (s != lseg && test_bit(NFS_LSEG_LAYOUTRETURN, &s->pls_flags)) - return false; - - return true; -} - -static bool -pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo) -{ - if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) - return false; - lo->plh_return_iomode = 0; - pnfs_get_layout_hdr(lo); - clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, &lo->plh_flags); - return true; -} - -static void pnfs_layoutreturn_before_put_lseg(struct pnfs_layout_segment *lseg, - struct pnfs_layout_hdr *lo, struct inode *inode) -{ - lo = lseg->pls_layout; - inode = lo->plh_inode; - - spin_lock(&inode->i_lock); - if (pnfs_layout_need_return(lo, lseg)) { - nfs4_stateid stateid; - enum pnfs_iomode iomode; - bool send; - - nfs4_stateid_copy(&stateid, &lo->plh_stateid); - iomode = lo->plh_return_iomode; - send = pnfs_prepare_layoutreturn(lo); - spin_unlock(&inode->i_lock); - if (send) { - /* Send an async layoutreturn so we dont deadlock */ - pnfs_send_layoutreturn(lo, &stateid, iomode, false); - } - } else - spin_unlock(&inode->i_lock); -} - void pnfs_put_lseg(struct pnfs_layout_segment *lseg) { @@ -410,15 +379,8 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg) atomic_read(&lseg->pls_refcount), test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); - /* Handle the case where refcount != 1 */ - if (atomic_add_unless(&lseg->pls_refcount, -1, 1)) - return; - lo = lseg->pls_layout; inode = lo->plh_inode; - /* Do we need a layoutreturn? */ - if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) - pnfs_layoutreturn_before_put_lseg(lseg, lo, inode); if (atomic_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) { if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { @@ -613,9 +575,8 @@ pnfs_destroy_layout(struct nfs_inode *nfsi) spin_lock(&nfsi->vfs_inode.i_lock); lo = nfsi->layout; if (lo) { - lo->plh_block_lgets++; /* permanently block new LAYOUTGETs */ - pnfs_mark_matching_lsegs_invalid(lo, &tmp_list, NULL); pnfs_get_layout_hdr(lo); + pnfs_mark_layout_stateid_invalid(lo, &tmp_list); pnfs_layout_clear_fail_bit(lo, NFS_LAYOUT_RO_FAILED); pnfs_layout_clear_fail_bit(lo, NFS_LAYOUT_RW_FAILED); spin_unlock(&nfsi->vfs_inode.i_lock); @@ -676,11 +637,6 @@ pnfs_layout_free_bulk_destroy_list(struct list_head *layout_list, { struct pnfs_layout_hdr *lo; struct inode *inode; - struct pnfs_layout_range range = { - .iomode = IOMODE_ANY, - .offset = 0, - .length = NFS4_MAX_UINT64, - }; LIST_HEAD(lseg_list); int ret = 0; @@ -695,11 +651,11 @@ pnfs_layout_free_bulk_destroy_list(struct list_head *layout_list, spin_lock(&inode->i_lock); list_del_init(&lo->plh_bulk_destroy); - lo->plh_block_lgets++; /* permanently block new LAYOUTGETs */ - if (is_bulk_recall) - set_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags); - if (pnfs_mark_matching_lsegs_invalid(lo, &lseg_list, &range)) + if (pnfs_mark_layout_stateid_invalid(lo, &lseg_list)) { + if (is_bulk_recall) + set_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags); ret = -EAGAIN; + } spin_unlock(&inode->i_lock); pnfs_free_lseg_list(&lseg_list); /* Free all lsegs that are attached to commit buckets */ @@ -937,6 +893,17 @@ void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo) rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq); } +static bool +pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo) +{ + if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) + return false; + lo->plh_return_iomode = 0; + pnfs_get_layout_hdr(lo); + clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags); + return true; +} + static int pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, const nfs4_stateid *stateid, enum pnfs_iomode iomode, bool sync) @@ -971,6 +938,48 @@ out: return status; } +/* Return true if layoutreturn is needed */ +static bool +pnfs_layout_need_return(struct pnfs_layout_hdr *lo) +{ + struct pnfs_layout_segment *s; + + if (!test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) + return false; + + /* Defer layoutreturn until all lsegs are done */ + list_for_each_entry(s, &lo->plh_segs, pls_list) { + if (test_bit(NFS_LSEG_LAYOUTRETURN, &s->pls_flags)) + return false; + } + + return true; +} + +static void pnfs_layoutreturn_before_put_layout_hdr(struct pnfs_layout_hdr *lo) +{ + struct inode *inode= lo->plh_inode; + + if (!test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) + return; + spin_lock(&inode->i_lock); + if (pnfs_layout_need_return(lo)) { + nfs4_stateid stateid; + enum pnfs_iomode iomode; + bool send; + + nfs4_stateid_copy(&stateid, &lo->plh_stateid); + iomode = lo->plh_return_iomode; + send = pnfs_prepare_layoutreturn(lo); + spin_unlock(&inode->i_lock); + if (send) { + /* Send an async layoutreturn so we dont deadlock */ + pnfs_send_layoutreturn(lo, &stateid, iomode, false); + } + } else + spin_unlock(&inode->i_lock); +} + /* * Initiates a LAYOUTRETURN(FILE), and removes the pnfs_layout_hdr * when the layout segment list is empty. @@ -1091,7 +1100,7 @@ bool pnfs_roc(struct inode *ino) nfs4_stateid_copy(&stateid, &lo->plh_stateid); /* always send layoutreturn if being marked so */ - if (test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, + if (test_and_clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) layoutreturn = pnfs_prepare_layoutreturn(lo); @@ -1744,8 +1753,19 @@ pnfs_set_plh_return_iomode(struct pnfs_layout_hdr *lo, enum pnfs_iomode iomode) if (lo->plh_return_iomode != 0) iomode = IOMODE_ANY; lo->plh_return_iomode = iomode; + set_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags); } +/** + * pnfs_mark_matching_lsegs_return - Free or return matching layout segments + * @lo: pointer to layout header + * @tmp_list: list header to be used with pnfs_free_lseg_list() + * @return_range: describe layout segment ranges to be returned + * + * This function is mainly intended for use by layoutrecall. It attempts + * to free the layout segment immediately, or else to mark it for return + * as soon as its reference count drops to zero. + */ int pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo, struct list_head *tmp_list, @@ -1768,12 +1788,11 @@ pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo, lseg, lseg->pls_range.iomode, lseg->pls_range.offset, lseg->pls_range.length); + if (mark_lseg_invalid(lseg, tmp_list)) + continue; + remaining++; set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); pnfs_set_plh_return_iomode(lo, return_range->iomode); - if (!mark_lseg_invalid(lseg, tmp_list)) - remaining++; - set_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, - &lo->plh_flags); } return remaining; } diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 9f4e2a47f4aa..1ac1db5f6dad 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -94,8 +94,8 @@ enum { NFS_LAYOUT_RO_FAILED = 0, /* get ro layout failed stop trying */ NFS_LAYOUT_RW_FAILED, /* get rw layout failed stop trying */ NFS_LAYOUT_BULK_RECALL, /* bulk recall affecting layout */ - NFS_LAYOUT_RETURN, /* Return this layout ASAP */ - NFS_LAYOUT_RETURN_BEFORE_CLOSE, /* Return this layout before close */ + NFS_LAYOUT_RETURN, /* layoutreturn in progress */ + NFS_LAYOUT_RETURN_REQUESTED, /* Return this layout ASAP */ NFS_LAYOUT_INVALID_STID, /* layout stateid id is invalid */ NFS_LAYOUT_FIRST_LAYOUTGET, /* Serialize first layoutget */ }; diff --git a/fs/notify/mark.c b/fs/notify/mark.c index cfcbf114676e..7115c5d7d373 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -91,7 +91,14 @@ #include <linux/fsnotify_backend.h> #include "fsnotify.h" +#define FSNOTIFY_REAPER_DELAY (1) /* 1 jiffy */ + struct srcu_struct fsnotify_mark_srcu; +static DEFINE_SPINLOCK(destroy_lock); +static LIST_HEAD(destroy_list); + +static void fsnotify_mark_destroy(struct work_struct *work); +static DECLARE_DELAYED_WORK(reaper_work, fsnotify_mark_destroy); void fsnotify_get_mark(struct fsnotify_mark *mark) { @@ -165,19 +172,10 @@ void fsnotify_detach_mark(struct fsnotify_mark *mark) atomic_dec(&group->num_marks); } -static void -fsnotify_mark_free_rcu(struct rcu_head *rcu) -{ - struct fsnotify_mark *mark; - - mark = container_of(rcu, struct fsnotify_mark, g_rcu); - fsnotify_put_mark(mark); -} - /* - * Free fsnotify mark. The freeing is actually happening from a call_srcu - * callback. Caller must have a reference to the mark or be protected by - * fsnotify_mark_srcu. + * Free fsnotify mark. The freeing is actually happening from a kthread which + * first waits for srcu period end. Caller must have a reference to the mark + * or be protected by fsnotify_mark_srcu. */ void fsnotify_free_mark(struct fsnotify_mark *mark) { @@ -192,7 +190,11 @@ void fsnotify_free_mark(struct fsnotify_mark *mark) mark->flags &= ~FSNOTIFY_MARK_FLAG_ALIVE; spin_unlock(&mark->lock); - call_srcu(&fsnotify_mark_srcu, &mark->g_rcu, fsnotify_mark_free_rcu); + spin_lock(&destroy_lock); + list_add(&mark->g_list, &destroy_list); + spin_unlock(&destroy_lock); + queue_delayed_work(system_unbound_wq, &reaper_work, + FSNOTIFY_REAPER_DELAY); /* * Some groups like to know that marks are being freed. This is a @@ -388,7 +390,12 @@ err: spin_unlock(&mark->lock); - call_srcu(&fsnotify_mark_srcu, &mark->g_rcu, fsnotify_mark_free_rcu); + spin_lock(&destroy_lock); + list_add(&mark->g_list, &destroy_list); + spin_unlock(&destroy_lock); + queue_delayed_work(system_unbound_wq, &reaper_work, + FSNOTIFY_REAPER_DELAY); + return ret; } @@ -491,3 +498,21 @@ void fsnotify_init_mark(struct fsnotify_mark *mark, atomic_set(&mark->refcnt, 1); mark->free_mark = free_mark; } + +static void fsnotify_mark_destroy(struct work_struct *work) +{ + struct fsnotify_mark *mark, *next; + struct list_head private_destroy_list; + + spin_lock(&destroy_lock); + /* exchange the list head */ + list_replace_init(&destroy_list, &private_destroy_list); + spin_unlock(&destroy_lock); + + synchronize_srcu(&fsnotify_mark_srcu); + + list_for_each_entry_safe(mark, next, &private_destroy_list, g_list) { + list_del_init(&mark->g_list); + fsnotify_put_mark(mark); + } +} diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 794fd1587f34..cda0361e95a4 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -956,6 +956,7 @@ clean_orphan: tmp_ret = ocfs2_del_inode_from_orphan(osb, inode, di_bh, update_isize, end); if (tmp_ret < 0) { + ocfs2_inode_unlock(inode, 1); ret = tmp_ret; mlog_errno(ret); brelse(di_bh); diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index a3cc6d2fc896..a76b9ea7722e 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -1254,15 +1254,15 @@ static const struct file_operations o2hb_debug_fops = { void o2hb_exit(void) { - kfree(o2hb_db_livenodes); - kfree(o2hb_db_liveregions); - kfree(o2hb_db_quorumregions); - kfree(o2hb_db_failedregions); debugfs_remove(o2hb_debug_failedregions); debugfs_remove(o2hb_debug_quorumregions); debugfs_remove(o2hb_debug_liveregions); debugfs_remove(o2hb_debug_livenodes); debugfs_remove(o2hb_debug_dir); + kfree(o2hb_db_livenodes); + kfree(o2hb_db_liveregions); + kfree(o2hb_db_quorumregions); + kfree(o2hb_db_failedregions); } static struct dentry *o2hb_debug_create(const char *name, struct dentry *dir, @@ -1438,13 +1438,15 @@ static void o2hb_region_release(struct config_item *item) kfree(reg->hr_slots); - kfree(reg->hr_db_regnum); - kfree(reg->hr_db_livenodes); debugfs_remove(reg->hr_debug_livenodes); debugfs_remove(reg->hr_debug_regnum); debugfs_remove(reg->hr_debug_elapsed_time); debugfs_remove(reg->hr_debug_pinned); debugfs_remove(reg->hr_debug_dir); + kfree(reg->hr_db_livenodes); + kfree(reg->hr_db_regnum); + kfree(reg->hr_debug_elapsed_time); + kfree(reg->hr_debug_pinned); spin_lock(&o2hb_live_lock); list_del(®->hr_all_item); diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c index c5bdf02c213b..b94a425f0175 100644 --- a/fs/ocfs2/dlm/dlmrecovery.c +++ b/fs/ocfs2/dlm/dlmrecovery.c @@ -2367,6 +2367,8 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node) break; } } + dlm_lockres_clear_refmap_bit(dlm, res, + dead_node); spin_unlock(&res->spinlock); continue; } diff --git a/fs/pnode.c b/fs/pnode.c index 6367e1e435c6..c524fdddc7fb 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -202,6 +202,11 @@ static struct mount *last_dest, *last_source, *dest_master; static struct mountpoint *mp; static struct hlist_head *list; +static inline bool peers(struct mount *m1, struct mount *m2) +{ + return m1->mnt_group_id == m2->mnt_group_id && m1->mnt_group_id; +} + static int propagate_one(struct mount *m) { struct mount *child; @@ -212,7 +217,7 @@ static int propagate_one(struct mount *m) /* skip if mountpoint isn't covered by it */ if (!is_subdir(mp->m_dentry, m->mnt.mnt_root)) return 0; - if (m->mnt_group_id == last_dest->mnt_group_id) { + if (peers(m, last_dest)) { type = CL_MAKE_SHARED; } else { struct mount *n, *p; @@ -223,7 +228,7 @@ static int propagate_one(struct mount *m) last_source = last_source->mnt_master; last_dest = last_source->mnt_parent; } - if (n->mnt_group_id != last_dest->mnt_group_id) { + if (!peers(n, last_dest)) { last_source = last_source->mnt_master; last_dest = last_source->mnt_parent; } diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 85d16c67c33e..fa95ab2d3674 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -259,23 +259,29 @@ static int do_maps_open(struct inode *inode, struct file *file, sizeof(struct proc_maps_private)); } -static pid_t pid_of_stack(struct proc_maps_private *priv, - struct vm_area_struct *vma, bool is_pid) +/* + * Indicate if the VMA is a stack for the given task; for + * /proc/PID/maps that is the stack of the main task. + */ +static int is_stack(struct proc_maps_private *priv, + struct vm_area_struct *vma, int is_pid) { - struct inode *inode = priv->inode; - struct task_struct *task; - pid_t ret = 0; + int stack = 0; + + if (is_pid) { + stack = vma->vm_start <= vma->vm_mm->start_stack && + vma->vm_end >= vma->vm_mm->start_stack; + } else { + struct inode *inode = priv->inode; + struct task_struct *task; - rcu_read_lock(); - task = pid_task(proc_pid(inode), PIDTYPE_PID); - if (task) { - task = task_of_stack(task, vma, is_pid); + rcu_read_lock(); + task = pid_task(proc_pid(inode), PIDTYPE_PID); if (task) - ret = task_pid_nr_ns(task, inode->i_sb->s_fs_info); + stack = vma_is_stack_for_task(vma, task); + rcu_read_unlock(); } - rcu_read_unlock(); - - return ret; + return stack; } static void @@ -335,8 +341,6 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) name = arch_vma_name(vma); if (!name) { - pid_t tid; - if (!mm) { name = "[vdso]"; goto done; @@ -348,21 +352,8 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) goto done; } - tid = pid_of_stack(priv, vma, is_pid); - if (tid != 0) { - /* - * Thread stack in /proc/PID/task/TID/maps or - * the main process stack. - */ - if (!is_pid || (vma->vm_start <= mm->start_stack && - vma->vm_end >= mm->start_stack)) { - name = "[stack]"; - } else { - /* Thread stack in /proc/PID/maps */ - seq_pad(m, ' '); - seq_printf(m, "[stack:%d]", tid); - } - } + if (is_stack(priv, vma, is_pid)) + name = "[stack]"; } done: @@ -1552,18 +1543,19 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr, static int gather_hugetlb_stats(pte_t *pte, unsigned long hmask, unsigned long addr, unsigned long end, struct mm_walk *walk) { + pte_t huge_pte = huge_ptep_get(pte); struct numa_maps *md; struct page *page; - if (!pte_present(*pte)) + if (!pte_present(huge_pte)) return 0; - page = pte_page(*pte); + page = pte_page(huge_pte); if (!page) return 0; md = walk->private; - gather_stats(page, md, pte_dirty(*pte), 1); + gather_stats(page, md, pte_dirty(huge_pte), 1); return 0; } @@ -1617,19 +1609,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) seq_file_path(m, file, "\n\t= "); } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) { seq_puts(m, " heap"); - } else { - pid_t tid = pid_of_stack(proc_priv, vma, is_pid); - if (tid != 0) { - /* - * Thread stack in /proc/PID/task/TID/maps or - * the main process stack. - */ - if (!is_pid || (vma->vm_start <= mm->start_stack && - vma->vm_end >= mm->start_stack)) - seq_puts(m, " stack"); - else - seq_printf(m, " stack:%d", tid); - } + } else if (is_stack(proc_priv, vma, is_pid)) { + seq_puts(m, " stack"); } if (is_vm_hugetlb_page(vma)) diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index e0d64c92e4f6..faacb0c0d857 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -123,23 +123,26 @@ unsigned long task_statm(struct mm_struct *mm, return size; } -static pid_t pid_of_stack(struct proc_maps_private *priv, - struct vm_area_struct *vma, bool is_pid) +static int is_stack(struct proc_maps_private *priv, + struct vm_area_struct *vma, int is_pid) { - struct inode *inode = priv->inode; - struct task_struct *task; - pid_t ret = 0; - - rcu_read_lock(); - task = pid_task(proc_pid(inode), PIDTYPE_PID); - if (task) { - task = task_of_stack(task, vma, is_pid); + struct mm_struct *mm = vma->vm_mm; + int stack = 0; + + if (is_pid) { + stack = vma->vm_start <= mm->start_stack && + vma->vm_end >= mm->start_stack; + } else { + struct inode *inode = priv->inode; + struct task_struct *task; + + rcu_read_lock(); + task = pid_task(proc_pid(inode), PIDTYPE_PID); if (task) - ret = task_pid_nr_ns(task, inode->i_sb->s_fs_info); + stack = vma_is_stack_for_task(vma, task); + rcu_read_unlock(); } - rcu_read_unlock(); - - return ret; + return stack; } /* @@ -181,21 +184,9 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma, if (file) { seq_pad(m, ' '); seq_file_path(m, file, ""); - } else if (mm) { - pid_t tid = pid_of_stack(priv, vma, is_pid); - - if (tid != 0) { - seq_pad(m, ' '); - /* - * Thread stack in /proc/PID/task/TID/maps or - * the main process stack. - */ - if (!is_pid || (vma->vm_start <= mm->start_stack && - vma->vm_end >= mm->start_stack)) - seq_printf(m, "[stack]"); - else - seq_printf(m, "[stack:%d]", tid); - } + } else if (mm && is_stack(priv, vma, is_pid)) { + seq_pad(m, ' '); + seq_printf(m, "[stack]"); } seq_putc(m, '\n'); diff --git a/fs/read_write.c b/fs/read_write.c index 324ec271cc4e..dadf24e5c95b 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -17,6 +17,7 @@ #include <linux/splice.h> #include <linux/compat.h> #include <linux/mount.h> +#include <linux/fs.h> #include "internal.h" #include <asm/uaccess.h> @@ -183,7 +184,7 @@ loff_t no_seek_end_llseek(struct file *file, loff_t offset, int whence) switch (whence) { case SEEK_SET: case SEEK_CUR: return generic_file_llseek_size(file, offset, whence, - ~0ULL, 0); + OFFSET_MAX, 0); default: return -EINVAL; } @@ -1532,10 +1533,12 @@ int vfs_clone_file_range(struct file *file_in, loff_t pos_in, if (!(file_in->f_mode & FMODE_READ) || !(file_out->f_mode & FMODE_WRITE) || - (file_out->f_flags & O_APPEND) || - !file_in->f_op->clone_file_range) + (file_out->f_flags & O_APPEND)) return -EBADF; + if (!file_in->f_op->clone_file_range) + return -EOPNOTSUPP; + ret = clone_verify_area(file_in, pos_in, len, false); if (ret) return ret; diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 50311703135b..66cdb44616d5 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -287,6 +287,12 @@ int handle_userfault(struct vm_area_struct *vma, unsigned long address, goto out; /* + * We don't do userfault handling for the final child pid update. + */ + if (current->flags & PF_EXITING) + goto out; + + /* * Check that we can return VM_FAULT_RETRY. * * NOTE: it should become possible to return VM_FAULT_RETRY diff --git a/fs/xattr.c b/fs/xattr.c index 07d0e47f6a7f..4861322e28e8 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -940,7 +940,7 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, bool trusted = capable(CAP_SYS_ADMIN); struct simple_xattr *xattr; ssize_t remaining_size = size; - int err; + int err = 0; #ifdef CONFIG_FS_POSIX_ACL if (inode->i_acl) { @@ -965,11 +965,11 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, err = xattr_list_one(&buffer, &remaining_size, xattr->name); if (err) - return err; + break; } spin_unlock(&xattrs->lock); - return size - remaining_size; + return err ? err : size - remaining_size; } /* diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 379c089fb051..a9ebabfe7587 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -55,7 +55,7 @@ xfs_count_page_state( } while ((bh = bh->b_this_page) != head); } -STATIC struct block_device * +struct block_device * xfs_find_bdev_for_inode( struct inode *inode) { @@ -1208,6 +1208,10 @@ xfs_vm_writepages( struct writeback_control *wbc) { xfs_iflags_clear(XFS_I(mapping->host), XFS_ITRUNCATED); + if (dax_mapping(mapping)) + return dax_writeback_mapping_range(mapping, + xfs_find_bdev_for_inode(mapping->host), wbc); + return generic_writepages(mapping, wbc); } diff --git a/fs/xfs/xfs_aops.h b/fs/xfs/xfs_aops.h index f6ffc9ae5ceb..a4343c63fb38 100644 --- a/fs/xfs/xfs_aops.h +++ b/fs/xfs/xfs_aops.h @@ -62,5 +62,6 @@ int xfs_get_blocks_dax_fault(struct inode *inode, sector_t offset, struct buffer_head *map_bh, int create); extern void xfs_count_page_state(struct page *, int *, int *); +extern struct block_device *xfs_find_bdev_for_inode(struct inode *); #endif /* __XFS_AOPS_H__ */ diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 45ec9e40150c..6c876012b2e5 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -75,7 +75,8 @@ xfs_zero_extent( ssize_t size = XFS_FSB_TO_B(mp, count_fsb); if (IS_DAX(VFS_I(ip))) - return dax_clear_blocks(VFS_I(ip), block, size); + return dax_clear_sectors(xfs_find_bdev_for_inode(VFS_I(ip)), + sector, size); /* * let the block layer decide on the fastest method of diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index da37beb76f6e..594f7e63b432 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -4491,7 +4491,7 @@ xlog_recover_process( * know precisely what failed. */ if (pass == XLOG_RECOVER_CRCPASS) { - if (rhead->h_crc && crc != le32_to_cpu(rhead->h_crc)) + if (rhead->h_crc && crc != rhead->h_crc) return -EFSBADCRC; return 0; } @@ -4502,7 +4502,7 @@ xlog_recover_process( * zero CRC check prevents warnings from being emitted when upgrading * the kernel from one that does not add CRCs by default. */ - if (crc != le32_to_cpu(rhead->h_crc)) { + if (crc != rhead->h_crc) { if (rhead->h_crc || xfs_sb_version_hascrc(&log->l_mp->m_sb)) { xfs_alert(log->l_mp, "log record CRC mismatch: found 0x%x, expected 0x%x.", diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index 717a29810473..dad8af3ebeb5 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -133,6 +133,5 @@ extern int acpi_get_psd_map(struct cpudata **); /* Methods to interact with the PCC mailbox controller. */ extern struct mbox_chan * pcc_mbox_request_channel(struct mbox_client *, unsigned int); -extern int mbox_send_message(struct mbox_chan *chan, void *mssg); #endif /* _CPPC_ACPI_H*/ diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h index 0419485891f2..0f1c6f315cdc 100644 --- a/include/asm-generic/cputime_nsecs.h +++ b/include/asm-generic/cputime_nsecs.h @@ -75,7 +75,7 @@ typedef u64 __nocast cputime64_t; */ static inline cputime_t timespec_to_cputime(const struct timespec *val) { - u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_nsec; + u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + val->tv_nsec; return (__force cputime_t) ret; } static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val) @@ -91,7 +91,8 @@ static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val) */ static inline cputime_t timeval_to_cputime(const struct timeval *val) { - u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_usec * NSEC_PER_USEC; + u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + + val->tv_usec * NSEC_PER_USEC; return (__force cputime_t) ret; } static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val) diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 0b3c0d39ef75..c370b261c720 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -239,6 +239,14 @@ extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); #endif +#ifndef __HAVE_ARCH_PMDP_HUGE_SPLIT_PREPARE +static inline void pmdp_huge_split_prepare(struct vm_area_struct *vma, + unsigned long address, pmd_t *pmdp) +{ + +} +#endif + #ifndef __HAVE_ARCH_PTE_SAME static inline int pte_same(pte_t pte_a, pte_t pte_b) { diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h index 7bfb063029d8..461a0558bca4 100644 --- a/include/drm/drm_cache.h +++ b/include/drm/drm_cache.h @@ -35,4 +35,13 @@ void drm_clflush_pages(struct page *pages[], unsigned long num_pages); +static inline bool drm_arch_can_wc_memory(void) +{ +#if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE) + return false; +#else + return true; +#endif +} + #endif diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index c65a212db77e..c5b4b81a831b 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -1166,6 +1166,7 @@ struct drm_connector { struct drm_mode_object base; char *name; + int connector_id; int connector_type; int connector_type_id; bool interlace_allowed; @@ -2047,6 +2048,7 @@ struct drm_mode_config { struct list_head fb_list; int num_connector; + struct ida connector_ida; struct list_head connector_list; int num_encoder; struct list_head encoder_list; @@ -2200,7 +2202,11 @@ int drm_connector_register(struct drm_connector *connector); void drm_connector_unregister(struct drm_connector *connector); extern void drm_connector_cleanup(struct drm_connector *connector); -extern unsigned int drm_connector_index(struct drm_connector *connector); +static inline unsigned drm_connector_index(struct drm_connector *connector) +{ + return connector->connector_id; +} + /* helper to unplug all connectors from sysfs for device */ extern void drm_connector_unplug_all(struct drm_device *dev); diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h index 24ab1787b771..fdb47051d549 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/drm_dp_mst_helper.h @@ -44,8 +44,6 @@ struct drm_dp_vcpi { /** * struct drm_dp_mst_port - MST port * @kref: reference count for this port. - * @guid_valid: for DP 1.2 devices if we have validated the GUID. - * @guid: guid for DP 1.2 device on this port. * @port_num: port number * @input: if this port is an input port. * @mcs: message capability status - DP 1.2 spec. @@ -70,10 +68,6 @@ struct drm_dp_vcpi { struct drm_dp_mst_port { struct kref kref; - /* if dpcd 1.2 device is on this port - its GUID info */ - bool guid_valid; - u8 guid[16]; - u8 port_num; bool input; bool mcs; @@ -110,10 +104,12 @@ struct drm_dp_mst_port { * @tx_slots: transmission slots for this device. * @last_seqno: last sequence number used to talk to this. * @link_address_sent: if a link address message has been sent to this device yet. + * @guid: guid for DP 1.2 branch device. port under this branch can be + * identified by port #. * * This structure represents an MST branch device, there is one - * primary branch device at the root, along with any others connected - * to downstream ports + * primary branch device at the root, along with any other branches connected + * to downstream port of parent branches. */ struct drm_dp_mst_branch { struct kref kref; @@ -132,6 +128,9 @@ struct drm_dp_mst_branch { struct drm_dp_sideband_msg_tx *tx_slots[2]; int last_seqno; bool link_address_sent; + + /* global unique identifier to identify branch devices */ + u8 guid[16]; }; @@ -406,11 +405,9 @@ struct drm_dp_payload { * @conn_base_id: DRM connector ID this mgr is connected to. * @down_rep_recv: msg receiver state for down replies. * @up_req_recv: msg receiver state for up requests. - * @lock: protects mst state, primary, guid, dpcd. + * @lock: protects mst state, primary, dpcd. * @mst_state: if this manager is enabled for an MST capable port. * @mst_primary: pointer to the primary branch device. - * @guid_valid: GUID valid for the primary branch device. - * @guid: GUID for primary port. * @dpcd: cache of DPCD for primary port. * @pbn_div: PBN to slots divisor. * @@ -432,13 +429,11 @@ struct drm_dp_mst_topology_mgr { struct drm_dp_sideband_msg_rx up_req_recv; /* pointer to info about the initial MST device */ - struct mutex lock; /* protects mst_state + primary + guid + dpcd */ + struct mutex lock; /* protects mst_state + primary + dpcd */ bool mst_state; struct drm_dp_mst_branch *mst_primary; - /* primary MST device GUID */ - bool guid_valid; - u8 guid[16]; + u8 dpcd[DP_RECEIVER_CAP_SIZE]; u8 sink_count; int pbn_div; diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h index d639049a613d..553210c02ee0 100644 --- a/include/drm/drm_fixed.h +++ b/include/drm/drm_fixed.h @@ -73,18 +73,28 @@ static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B) #define DRM_FIXED_ONE (1ULL << DRM_FIXED_POINT) #define DRM_FIXED_DECIMAL_MASK (DRM_FIXED_ONE - 1) #define DRM_FIXED_DIGITS_MASK (~DRM_FIXED_DECIMAL_MASK) +#define DRM_FIXED_EPSILON 1LL +#define DRM_FIXED_ALMOST_ONE (DRM_FIXED_ONE - DRM_FIXED_EPSILON) static inline s64 drm_int2fixp(int a) { return ((s64)a) << DRM_FIXED_POINT; } -static inline int drm_fixp2int(int64_t a) +static inline int drm_fixp2int(s64 a) { return ((s64)a) >> DRM_FIXED_POINT; } -static inline unsigned drm_fixp_msbset(int64_t a) +static inline int drm_fixp2int_ceil(s64 a) +{ + if (a > 0) + return drm_fixp2int(a + DRM_FIXED_ALMOST_ONE); + else + return drm_fixp2int(a - DRM_FIXED_ALMOST_ONE); +} + +static inline unsigned drm_fixp_msbset(s64 a) { unsigned shift, sign = (a >> 63) & 1; @@ -136,6 +146,45 @@ static inline s64 drm_fixp_div(s64 a, s64 b) return result; } +static inline s64 drm_fixp_from_fraction(s64 a, s64 b) +{ + s64 res; + bool a_neg = a < 0; + bool b_neg = b < 0; + u64 a_abs = a_neg ? -a : a; + u64 b_abs = b_neg ? -b : b; + u64 rem; + + /* determine integer part */ + u64 res_abs = div64_u64_rem(a_abs, b_abs, &rem); + + /* determine fractional part */ + { + u32 i = DRM_FIXED_POINT; + + do { + rem <<= 1; + res_abs <<= 1; + if (rem >= b_abs) { + res_abs |= 1; + rem -= b_abs; + } + } while (--i != 0); + } + + /* round up LSB */ + { + u64 summand = (rem << 1) >= b_abs; + + res_abs += summand; + } + + res = (s64) res_abs; + if (a_neg ^ b_neg) + res = -res; + return res; +} + static inline s64 drm_fixp_exp(s64 x) { s64 tolerance = div64_s64(DRM_FIXED_ONE, 1000000); diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h index 6f45aea49e4f..0a05b0d36ae7 100644 --- a/include/dt-bindings/clock/tegra210-car.h +++ b/include/dt-bindings/clock/tegra210-car.h @@ -126,7 +126,7 @@ /* 104 */ /* 105 */ #define TEGRA210_CLK_D_AUDIO 106 -/* 107 ( affects abp -> ape) */ +#define TEGRA210_CLK_APB2APE 107 /* 108 */ /* 109 */ /* 110 */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 29189aeace19..4571ef1a12a9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -682,9 +682,12 @@ static inline bool blk_write_same_mergeable(struct bio *a, struct bio *b) /* * q->prep_rq_fn return values */ -#define BLKPREP_OK 0 /* serve it */ -#define BLKPREP_KILL 1 /* fatal error, kill */ -#define BLKPREP_DEFER 2 /* leave on queue */ +enum { + BLKPREP_OK, /* serve it */ + BLKPREP_KILL, /* fatal error, kill, return -EIO */ + BLKPREP_DEFER, /* leave on queue */ + BLKPREP_INVALID, /* invalid command, kill, return -EREMOTEIO */ +}; extern unsigned long blk_max_low_pfn, blk_max_pfn; diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h index f89b31d45cc8..c1ef6f14e7be 100644 --- a/include/linux/ceph/ceph_features.h +++ b/include/linux/ceph/ceph_features.h @@ -63,6 +63,18 @@ #define CEPH_FEATURE_OSD_MIN_SIZE_RECOVERY (1ULL<<49) // duplicated since it was introduced at the same time as MIN_SIZE_RECOVERY #define CEPH_FEATURE_OSD_PROXY_FEATURES (1ULL<<49) /* overlap w/ above */ +#define CEPH_FEATURE_MON_METADATA (1ULL<<50) +#define CEPH_FEATURE_OSD_BITWISE_HOBJ_SORT (1ULL<<51) /* can sort objs bitwise */ +#define CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES (1ULL<<52) +#define CEPH_FEATURE_ERASURE_CODE_PLUGINS_V3 (1ULL<<53) +#define CEPH_FEATURE_OSD_HITSET_GMT (1ULL<<54) +#define CEPH_FEATURE_HAMMER_0_94_4 (1ULL<<55) +#define CEPH_FEATURE_NEW_OSDOP_ENCODING (1ULL<<56) /* New, v7 encoding */ +#define CEPH_FEATURE_MON_STATEFUL_SUB (1ULL<<57) /* stateful mon subscription */ +#define CEPH_FEATURE_MON_ROUTE_OSDMAP (1ULL<<57) /* peon sends osdmaps */ +#define CEPH_FEATURE_CRUSH_TUNABLES5 (1ULL<<58) /* chooseleaf stable mode */ +// duplicated since it was introduced at the same time as CEPH_FEATURE_CRUSH_TUNABLES5 +#define CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING (1ULL<<58) /* New, v7 encoding */ /* * The introduction of CEPH_FEATURE_OSD_SNAPMAPPER caused the feature @@ -108,7 +120,9 @@ static inline u64 ceph_sanitize_features(u64 features) CEPH_FEATURE_CRUSH_TUNABLES3 | \ CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \ CEPH_FEATURE_MSGR_KEEPALIVE2 | \ - CEPH_FEATURE_CRUSH_V4) + CEPH_FEATURE_CRUSH_V4 | \ + CEPH_FEATURE_CRUSH_TUNABLES5 | \ + CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING) #define CEPH_FEATURES_REQUIRED_DEFAULT \ (CEPH_FEATURE_NOSRCADDR | \ diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 7f540f7f588d..789471dba6fb 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -127,6 +127,12 @@ struct cgroup_subsys_state { */ u64 serial_nr; + /* + * Incremented by online self and children. Used to guarantee that + * parents are not offlined before their children. + */ + atomic_t online_cnt; + /* percpu_ref killing and RCU release */ struct rcu_head rcu_head; struct work_struct destroy_work; diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 00b042c49ccd..48f5aab117ae 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -144,7 +144,7 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); */ #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) #define __trace_if(cond) \ - if (__builtin_constant_p((cond)) ? !!(cond) : \ + if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ({ \ int ______r; \ static struct ftrace_branch_data \ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 85a868ccb493..fea160ee5803 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -137,6 +137,8 @@ static inline void set_mems_allowed(nodemask_t nodemask) task_unlock(current); } +extern void cpuset_post_attach_flush(void); + #else /* !CONFIG_CPUSETS */ static inline bool cpusets_enabled(void) { return false; } @@ -243,6 +245,10 @@ static inline bool read_mems_allowed_retry(unsigned int seq) return false; } +static inline void cpuset_post_attach_flush(void) +{ +} + #endif /* !CONFIG_CPUSETS */ #endif /* _LINUX_CPUSET_H */ diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h index 48b49305716b..be8f12b8f195 100644 --- a/include/linux/crush/crush.h +++ b/include/linux/crush/crush.h @@ -59,7 +59,8 @@ enum { CRUSH_RULE_SET_CHOOSELEAF_TRIES = 9, /* override chooseleaf_descend_once */ CRUSH_RULE_SET_CHOOSE_LOCAL_TRIES = 10, CRUSH_RULE_SET_CHOOSE_LOCAL_FALLBACK_TRIES = 11, - CRUSH_RULE_SET_CHOOSELEAF_VARY_R = 12 + CRUSH_RULE_SET_CHOOSELEAF_VARY_R = 12, + CRUSH_RULE_SET_CHOOSELEAF_STABLE = 13 }; /* @@ -205,6 +206,11 @@ struct crush_map { * mappings line up a bit better with previous mappings. */ __u8 chooseleaf_vary_r; + /* if true, it makes chooseleaf firstn to return stable results (if + * no local retry) so that data migrations would be optimal when some + * device fails. */ + __u8 chooseleaf_stable; + #ifndef __KERNEL__ /* * version 0 (original) of straw_calc has various flaws. version 1 diff --git a/include/linux/dax.h b/include/linux/dax.h index 8204c3dc3800..636dd59ab505 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -7,13 +7,24 @@ ssize_t dax_do_io(struct kiocb *, struct inode *, struct iov_iter *, loff_t, get_block_t, dio_iodone_t, int flags); -int dax_clear_blocks(struct inode *, sector_t block, long size); +int dax_clear_sectors(struct block_device *bdev, sector_t _sector, long _size); int dax_zero_page_range(struct inode *, loff_t from, unsigned len, get_block_t); int dax_truncate_page(struct inode *, loff_t from, get_block_t); int dax_fault(struct vm_area_struct *, struct vm_fault *, get_block_t, dax_iodone_t); int __dax_fault(struct vm_area_struct *, struct vm_fault *, get_block_t, dax_iodone_t); + +#ifdef CONFIG_FS_DAX +struct page *read_dax_sector(struct block_device *bdev, sector_t n); +#else +static inline struct page *read_dax_sector(struct block_device *bdev, + sector_t n) +{ + return ERR_PTR(-ENXIO); +} +#endif + #ifdef CONFIG_TRANSPARENT_HUGEPAGE int dax_pmd_fault(struct vm_area_struct *, unsigned long addr, pmd_t *, unsigned int flags, get_block_t, dax_iodone_t); @@ -41,6 +52,8 @@ static inline bool dax_mapping(struct address_space *mapping) { return mapping->host && IS_DAX(mapping->host); } -int dax_writeback_mapping_range(struct address_space *mapping, loff_t start, - loff_t end); + +struct writeback_control; +int dax_writeback_mapping_range(struct address_space *mapping, + struct block_device *bdev, struct writeback_control *wbc); #endif diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 7781ce110503..c4b5f4b3f8f8 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -409,9 +409,7 @@ static inline bool d_mountpoint(const struct dentry *dentry) */ static inline unsigned __d_entry_type(const struct dentry *dentry) { - unsigned type = READ_ONCE(dentry->d_flags); - smp_rmb(); - return type & DCACHE_ENTRY_TYPE; + return dentry->d_flags & DCACHE_ENTRY_TYPE; } static inline bool d_is_miss(const struct dentry *dentry) diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h index 251a2090a554..e0ee0b3000b2 100644 --- a/include/linux/devpts_fs.h +++ b/include/linux/devpts_fs.h @@ -19,6 +19,8 @@ int devpts_new_index(struct inode *ptmx_inode); void devpts_kill_index(struct inode *ptmx_inode, int idx); +void devpts_add_ref(struct inode *ptmx_inode); +void devpts_del_ref(struct inode *ptmx_inode); /* mknod in devpts */ struct inode *devpts_pty_new(struct inode *ptmx_inode, dev_t device, int index, void *priv); @@ -32,6 +34,8 @@ void devpts_pty_kill(struct inode *inode); /* Dummy stubs in the no-pty case */ static inline int devpts_new_index(struct inode *ptmx_inode) { return -EINVAL; } static inline void devpts_kill_index(struct inode *ptmx_inode, int idx) { } +static inline void devpts_add_ref(struct inode *ptmx_inode) { } +static inline void devpts_del_ref(struct inode *ptmx_inode) { } static inline struct inode *devpts_pty_new(struct inode *ptmx_inode, dev_t device, int index, void *priv) { diff --git a/include/linux/efi.h b/include/linux/efi.h index 569b5a866bb1..47be3ad7d3e5 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -1199,7 +1199,10 @@ int efivar_entry_iter(int (*func)(struct efivar_entry *, void *), struct efivar_entry *efivar_entry_find(efi_char16_t *name, efi_guid_t guid, struct list_head *head, bool remove); -bool efivar_validate(efi_char16_t *var_name, u8 *data, unsigned long len); +bool efivar_validate(efi_guid_t vendor, efi_char16_t *var_name, u8 *data, + unsigned long data_size); +bool efivar_variable_is_removable(efi_guid_t vendor, const char *name, + size_t len); extern struct work_struct efivar_work; void efivar_run_worker(void); diff --git a/include/linux/fs.h b/include/linux/fs.h index 1a2046275cdf..ae681002100a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -484,9 +484,6 @@ struct block_device { int bd_fsfreeze_count; /* Mutex for freeze */ struct mutex bd_fsfreeze_mutex; -#ifdef CONFIG_FS_DAX - int bd_map_count; -#endif }; /* @@ -2907,7 +2904,7 @@ extern void replace_mount_options(struct super_block *sb, char *options); static inline bool io_is_direct(struct file *filp) { - return (filp->f_flags & O_DIRECT) || IS_DAX(file_inode(filp)); + return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host); } static inline int iocb_flags(struct file *file) diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 6b7e89f45aa4..533c4408529a 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -220,10 +220,7 @@ struct fsnotify_mark { /* List of marks by group->i_fsnotify_marks. Also reused for queueing * mark into destroy_list when it's waiting for the end of SRCU period * before it can be freed. [group->mark_mutex] */ - union { - struct list_head g_list; - struct rcu_head g_rcu; - }; + struct list_head g_list; /* Protects inode / mnt pointers, flags, masks */ spinlock_t lock; /* List of marks for inode / vfsmount [obj_lock] */ diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 81de7123959d..c2b340e23f62 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -603,6 +603,7 @@ extern int ftrace_arch_read_dyn_info(char *buf, int size); extern int skip_trace(unsigned long ip); extern void ftrace_module_init(struct module *mod); +extern void ftrace_module_enable(struct module *mod); extern void ftrace_release_mod(struct module *mod); extern void ftrace_disable_daemon(void); @@ -612,8 +613,9 @@ static inline int skip_trace(unsigned long ip) { return 0; } static inline int ftrace_force_update(void) { return 0; } static inline void ftrace_disable_daemon(void) { } static inline void ftrace_enable_daemon(void) { } -static inline void ftrace_release_mod(struct module *mod) {} -static inline void ftrace_module_init(struct module *mod) {} +static inline void ftrace_module_init(struct module *mod) { } +static inline void ftrace_module_enable(struct module *mod) { } +static inline void ftrace_release_mod(struct module *mod) { } static inline __init int register_ftrace_command(struct ftrace_func_command *cmd) { return -EINVAL; diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 28ad5f6494b0..af1f2b24bbe4 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -547,16 +547,16 @@ static inline bool pm_suspended_storage(void) } #endif /* CONFIG_PM_SLEEP */ -#ifdef CONFIG_CMA - +#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA) /* The below functions must be run on a range from a single zone. */ extern int alloc_contig_range(unsigned long start, unsigned long end, unsigned migratetype); extern void free_contig_range(unsigned long pfn, unsigned nr_pages); +#endif +#ifdef CONFIG_CMA /* CMA stuff */ extern void init_cma_reserved_pageblock(struct page *page); - #endif #endif /* __LINUX_GFP_H */ diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 821273ca4873..2d9b650047a5 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -235,6 +235,9 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) /* low 64 bit */ #define dma_frcd_page_addr(d) (d & (((u64)-1) << PAGE_SHIFT)) +/* PRS_REG */ +#define DMA_PRS_PPR ((u32)1) + #define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \ do { \ cycles_t start_time = get_cycles(); \ diff --git a/include/linux/libata.h b/include/linux/libata.h index 851821bfd553..bec2abbd7ab2 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -526,6 +526,7 @@ enum ata_lpm_policy { enum ata_lpm_hints { ATA_LPM_EMPTY = (1 << 0), /* port empty/probing */ ATA_LPM_HIPM = (1 << 1), /* may use HIPM */ + ATA_LPM_WAKE_ONLY = (1 << 2), /* only wake up link */ }; /* forward declarations */ diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index bed40dff0e86..141ffdd59960 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -26,9 +26,8 @@ enum { /* need to set a limit somewhere, but yes, this is likely overkill */ ND_IOCTL_MAX_BUFLEN = SZ_4M, - ND_CMD_MAX_ELEM = 4, + ND_CMD_MAX_ELEM = 5, ND_CMD_MAX_ENVELOPE = 16, - ND_CMD_ARS_STATUS_MAX = SZ_4K, ND_MAX_MAPPINGS = 32, /* region flag indicating to direct-map persistent memory by default */ diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index d6750111e48e..2190419bdf0a 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -135,6 +135,10 @@ enum { /* Memory types */ NVM_ID_FMTYPE_SLC = 0, NVM_ID_FMTYPE_MLC = 1, + + /* Device capabilities */ + NVM_ID_DCAP_BBLKMGMT = 0x1, + NVM_UD_DCAP_ECC = 0x2, }; struct nvm_id_lp_mlc { diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index c57e424d914b..4dca42fd32f5 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -66,7 +66,7 @@ struct lock_class { /* * class-hash: */ - struct list_head hash_entry; + struct hlist_node hash_entry; /* * global list of all lock-classes: @@ -199,7 +199,7 @@ struct lock_chain { u8 irq_context; u8 depth; u16 base; - struct list_head entry; + struct hlist_node entry; u64 chain_key; }; diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 9ae48d4aeb5e..792c8981e633 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -51,7 +51,7 @@ enum mem_cgroup_stat_index { MEM_CGROUP_STAT_SWAP, /* # of pages, swapped out */ MEM_CGROUP_STAT_NSTATS, /* default hierarchy stats */ - MEMCG_SOCK, + MEMCG_SOCK = MEM_CGROUP_STAT_NSTATS, MEMCG_NR_STAT, }; diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 430a929f048b..a0e8cc8dcc67 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -44,6 +44,8 @@ #include <linux/timecounter.h> +#define DEFAULT_UAR_PAGE_SHIFT 12 + #define MAX_MSIX_P_PORT 17 #define MAX_MSIX 64 #define MIN_MSIX_P_PORT 5 @@ -856,6 +858,7 @@ struct mlx4_dev { u64 regid_promisc_array[MLX4_MAX_PORTS + 1]; u64 regid_allmulti_array[MLX4_MAX_PORTS + 1]; struct mlx4_vf_dev *dev_vfs; + u8 uar_page_shift; }; struct mlx4_clock_params { @@ -1528,4 +1531,14 @@ int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, int mlx4_get_internal_clock_params(struct mlx4_dev *dev, struct mlx4_clock_params *params); +static inline int mlx4_to_hw_uar_index(struct mlx4_dev *dev, int index) +{ + return (index << (PAGE_SHIFT - dev->uar_page_shift)); +} + +static inline int mlx4_get_num_reserved_uar(struct mlx4_dev *dev) +{ + /* The first 128 UARs are used for EQ doorbells */ + return (128 >> (PAGE_SHIFT - dev->uar_page_shift)); +} #endif /* MLX4_DEVICE_H */ diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 231ab6bcea76..51f1e540fc2b 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -207,15 +207,15 @@ struct mlx5_ifc_flow_table_fields_supported_bits { u8 outer_dmac[0x1]; u8 outer_smac[0x1]; u8 outer_ether_type[0x1]; - u8 reserved_0[0x1]; + u8 reserved_at_3[0x1]; u8 outer_first_prio[0x1]; u8 outer_first_cfi[0x1]; u8 outer_first_vid[0x1]; - u8 reserved_1[0x1]; + u8 reserved_at_7[0x1]; u8 outer_second_prio[0x1]; u8 outer_second_cfi[0x1]; u8 outer_second_vid[0x1]; - u8 reserved_2[0x1]; + u8 reserved_at_b[0x1]; u8 outer_sip[0x1]; u8 outer_dip[0x1]; u8 outer_frag[0x1]; @@ -230,21 +230,21 @@ struct mlx5_ifc_flow_table_fields_supported_bits { u8 outer_gre_protocol[0x1]; u8 outer_gre_key[0x1]; u8 outer_vxlan_vni[0x1]; - u8 reserved_3[0x5]; + u8 reserved_at_1a[0x5]; u8 source_eswitch_port[0x1]; u8 inner_dmac[0x1]; u8 inner_smac[0x1]; u8 inner_ether_type[0x1]; - u8 reserved_4[0x1]; + u8 reserved_at_23[0x1]; u8 inner_first_prio[0x1]; u8 inner_first_cfi[0x1]; u8 inner_first_vid[0x1]; - u8 reserved_5[0x1]; + u8 reserved_at_27[0x1]; u8 inner_second_prio[0x1]; u8 inner_second_cfi[0x1]; u8 inner_second_vid[0x1]; - u8 reserved_6[0x1]; + u8 reserved_at_2b[0x1]; u8 inner_sip[0x1]; u8 inner_dip[0x1]; u8 inner_frag[0x1]; @@ -256,37 +256,37 @@ struct mlx5_ifc_flow_table_fields_supported_bits { u8 inner_tcp_sport[0x1]; u8 inner_tcp_dport[0x1]; u8 inner_tcp_flags[0x1]; - u8 reserved_7[0x9]; + u8 reserved_at_37[0x9]; - u8 reserved_8[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_flow_table_prop_layout_bits { u8 ft_support[0x1]; - u8 reserved_0[0x2]; + u8 reserved_at_1[0x2]; u8 flow_modify_en[0x1]; u8 modify_root[0x1]; u8 identified_miss_table_mode[0x1]; u8 flow_table_modify[0x1]; - u8 reserved_1[0x19]; + u8 reserved_at_7[0x19]; - u8 reserved_2[0x2]; + u8 reserved_at_20[0x2]; u8 log_max_ft_size[0x6]; - u8 reserved_3[0x10]; + u8 reserved_at_28[0x10]; u8 max_ft_level[0x8]; - u8 reserved_4[0x20]; + u8 reserved_at_40[0x20]; - u8 reserved_5[0x18]; + u8 reserved_at_60[0x18]; u8 log_max_ft_num[0x8]; - u8 reserved_6[0x18]; + u8 reserved_at_80[0x18]; u8 log_max_destination[0x8]; - u8 reserved_7[0x18]; + u8 reserved_at_a0[0x18]; u8 log_max_flow[0x8]; - u8 reserved_8[0x40]; + u8 reserved_at_c0[0x40]; struct mlx5_ifc_flow_table_fields_supported_bits ft_field_support; @@ -298,13 +298,13 @@ struct mlx5_ifc_odp_per_transport_service_cap_bits { u8 receive[0x1]; u8 write[0x1]; u8 read[0x1]; - u8 reserved_0[0x1]; + u8 reserved_at_4[0x1]; u8 srq_receive[0x1]; - u8 reserved_1[0x1a]; + u8 reserved_at_6[0x1a]; }; struct mlx5_ifc_ipv4_layout_bits { - u8 reserved_0[0x60]; + u8 reserved_at_0[0x60]; u8 ipv4[0x20]; }; @@ -316,7 +316,7 @@ struct mlx5_ifc_ipv6_layout_bits { union mlx5_ifc_ipv6_layout_ipv4_layout_auto_bits { struct mlx5_ifc_ipv6_layout_bits ipv6_layout; struct mlx5_ifc_ipv4_layout_bits ipv4_layout; - u8 reserved_0[0x80]; + u8 reserved_at_0[0x80]; }; struct mlx5_ifc_fte_match_set_lyr_2_4_bits { @@ -336,15 +336,15 @@ struct mlx5_ifc_fte_match_set_lyr_2_4_bits { u8 ip_dscp[0x6]; u8 ip_ecn[0x2]; u8 vlan_tag[0x1]; - u8 reserved_0[0x1]; + u8 reserved_at_91[0x1]; u8 frag[0x1]; - u8 reserved_1[0x4]; + u8 reserved_at_93[0x4]; u8 tcp_flags[0x9]; u8 tcp_sport[0x10]; u8 tcp_dport[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_c0[0x20]; u8 udp_sport[0x10]; u8 udp_dport[0x10]; @@ -355,9 +355,9 @@ struct mlx5_ifc_fte_match_set_lyr_2_4_bits { }; struct mlx5_ifc_fte_match_set_misc_bits { - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 source_port[0x10]; u8 outer_second_prio[0x3]; @@ -369,31 +369,31 @@ struct mlx5_ifc_fte_match_set_misc_bits { u8 outer_second_vlan_tag[0x1]; u8 inner_second_vlan_tag[0x1]; - u8 reserved_2[0xe]; + u8 reserved_at_62[0xe]; u8 gre_protocol[0x10]; u8 gre_key_h[0x18]; u8 gre_key_l[0x8]; u8 vxlan_vni[0x18]; - u8 reserved_3[0x8]; + u8 reserved_at_b8[0x8]; - u8 reserved_4[0x20]; + u8 reserved_at_c0[0x20]; - u8 reserved_5[0xc]; + u8 reserved_at_e0[0xc]; u8 outer_ipv6_flow_label[0x14]; - u8 reserved_6[0xc]; + u8 reserved_at_100[0xc]; u8 inner_ipv6_flow_label[0x14]; - u8 reserved_7[0xe0]; + u8 reserved_at_120[0xe0]; }; struct mlx5_ifc_cmd_pas_bits { u8 pa_h[0x20]; u8 pa_l[0x14]; - u8 reserved_0[0xc]; + u8 reserved_at_34[0xc]; }; struct mlx5_ifc_uint64_bits { @@ -418,31 +418,31 @@ enum { struct mlx5_ifc_ads_bits { u8 fl[0x1]; u8 free_ar[0x1]; - u8 reserved_0[0xe]; + u8 reserved_at_2[0xe]; u8 pkey_index[0x10]; - u8 reserved_1[0x8]; + u8 reserved_at_20[0x8]; u8 grh[0x1]; u8 mlid[0x7]; u8 rlid[0x10]; u8 ack_timeout[0x5]; - u8 reserved_2[0x3]; + u8 reserved_at_45[0x3]; u8 src_addr_index[0x8]; - u8 reserved_3[0x4]; + u8 reserved_at_50[0x4]; u8 stat_rate[0x4]; u8 hop_limit[0x8]; - u8 reserved_4[0x4]; + u8 reserved_at_60[0x4]; u8 tclass[0x8]; u8 flow_label[0x14]; u8 rgid_rip[16][0x8]; - u8 reserved_5[0x4]; + u8 reserved_at_100[0x4]; u8 f_dscp[0x1]; u8 f_ecn[0x1]; - u8 reserved_6[0x1]; + u8 reserved_at_106[0x1]; u8 f_eth_prio[0x1]; u8 ecn[0x2]; u8 dscp[0x6]; @@ -458,25 +458,25 @@ struct mlx5_ifc_ads_bits { }; struct mlx5_ifc_flow_table_nic_cap_bits { - u8 reserved_0[0x200]; + u8 reserved_at_0[0x200]; struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_receive; - u8 reserved_1[0x200]; + u8 reserved_at_400[0x200]; struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_receive_sniffer; struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_transmit; - u8 reserved_2[0x200]; + u8 reserved_at_a00[0x200]; struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_transmit_sniffer; - u8 reserved_3[0x7200]; + u8 reserved_at_e00[0x7200]; }; struct mlx5_ifc_flow_table_eswitch_cap_bits { - u8 reserved_0[0x200]; + u8 reserved_at_0[0x200]; struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_esw_fdb; @@ -484,7 +484,7 @@ struct mlx5_ifc_flow_table_eswitch_cap_bits { struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_esw_acl_egress; - u8 reserved_1[0x7800]; + u8 reserved_at_800[0x7800]; }; struct mlx5_ifc_e_switch_cap_bits { @@ -493,9 +493,9 @@ struct mlx5_ifc_e_switch_cap_bits { u8 vport_svlan_insert[0x1]; u8 vport_cvlan_insert_if_not_exist[0x1]; u8 vport_cvlan_insert_overwrite[0x1]; - u8 reserved_0[0x1b]; + u8 reserved_at_5[0x1b]; - u8 reserved_1[0x7e0]; + u8 reserved_at_20[0x7e0]; }; struct mlx5_ifc_per_protocol_networking_offload_caps_bits { @@ -504,51 +504,51 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { u8 lro_cap[0x1]; u8 lro_psh_flag[0x1]; u8 lro_time_stamp[0x1]; - u8 reserved_0[0x3]; + u8 reserved_at_5[0x3]; u8 self_lb_en_modifiable[0x1]; - u8 reserved_1[0x2]; + u8 reserved_at_9[0x2]; u8 max_lso_cap[0x5]; - u8 reserved_2[0x4]; + u8 reserved_at_10[0x4]; u8 rss_ind_tbl_cap[0x4]; - u8 reserved_3[0x3]; + u8 reserved_at_18[0x3]; u8 tunnel_lso_const_out_ip_id[0x1]; - u8 reserved_4[0x2]; + u8 reserved_at_1c[0x2]; u8 tunnel_statless_gre[0x1]; u8 tunnel_stateless_vxlan[0x1]; - u8 reserved_5[0x20]; + u8 reserved_at_20[0x20]; - u8 reserved_6[0x10]; + u8 reserved_at_40[0x10]; u8 lro_min_mss_size[0x10]; - u8 reserved_7[0x120]; + u8 reserved_at_60[0x120]; u8 lro_timer_supported_periods[4][0x20]; - u8 reserved_8[0x600]; + u8 reserved_at_200[0x600]; }; struct mlx5_ifc_roce_cap_bits { u8 roce_apm[0x1]; - u8 reserved_0[0x1f]; + u8 reserved_at_1[0x1f]; - u8 reserved_1[0x60]; + u8 reserved_at_20[0x60]; - u8 reserved_2[0xc]; + u8 reserved_at_80[0xc]; u8 l3_type[0x4]; - u8 reserved_3[0x8]; + u8 reserved_at_90[0x8]; u8 roce_version[0x8]; - u8 reserved_4[0x10]; + u8 reserved_at_a0[0x10]; u8 r_roce_dest_udp_port[0x10]; u8 r_roce_max_src_udp_port[0x10]; u8 r_roce_min_src_udp_port[0x10]; - u8 reserved_5[0x10]; + u8 reserved_at_e0[0x10]; u8 roce_address_table_size[0x10]; - u8 reserved_6[0x700]; + u8 reserved_at_100[0x700]; }; enum { @@ -576,35 +576,35 @@ enum { }; struct mlx5_ifc_atomic_caps_bits { - u8 reserved_0[0x40]; + u8 reserved_at_0[0x40]; u8 atomic_req_8B_endianess_mode[0x2]; - u8 reserved_1[0x4]; + u8 reserved_at_42[0x4]; u8 supported_atomic_req_8B_endianess_mode_1[0x1]; - u8 reserved_2[0x19]; + u8 reserved_at_47[0x19]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; - u8 reserved_4[0x10]; + u8 reserved_at_80[0x10]; u8 atomic_operations[0x10]; - u8 reserved_5[0x10]; + u8 reserved_at_a0[0x10]; u8 atomic_size_qp[0x10]; - u8 reserved_6[0x10]; + u8 reserved_at_c0[0x10]; u8 atomic_size_dc[0x10]; - u8 reserved_7[0x720]; + u8 reserved_at_e0[0x720]; }; struct mlx5_ifc_odp_cap_bits { - u8 reserved_0[0x40]; + u8 reserved_at_0[0x40]; u8 sig[0x1]; - u8 reserved_1[0x1f]; + u8 reserved_at_41[0x1f]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; struct mlx5_ifc_odp_per_transport_service_cap_bits rc_odp_caps; @@ -612,7 +612,7 @@ struct mlx5_ifc_odp_cap_bits { struct mlx5_ifc_odp_per_transport_service_cap_bits ud_odp_caps; - u8 reserved_3[0x720]; + u8 reserved_at_e0[0x720]; }; enum { @@ -660,55 +660,55 @@ enum { }; struct mlx5_ifc_cmd_hca_cap_bits { - u8 reserved_0[0x80]; + u8 reserved_at_0[0x80]; u8 log_max_srq_sz[0x8]; u8 log_max_qp_sz[0x8]; - u8 reserved_1[0xb]; + u8 reserved_at_90[0xb]; u8 log_max_qp[0x5]; - u8 reserved_2[0xb]; + u8 reserved_at_a0[0xb]; u8 log_max_srq[0x5]; - u8 reserved_3[0x10]; + u8 reserved_at_b0[0x10]; - u8 reserved_4[0x8]; + u8 reserved_at_c0[0x8]; u8 log_max_cq_sz[0x8]; - u8 reserved_5[0xb]; + u8 reserved_at_d0[0xb]; u8 log_max_cq[0x5]; u8 log_max_eq_sz[0x8]; - u8 reserved_6[0x2]; + u8 reserved_at_e8[0x2]; u8 log_max_mkey[0x6]; - u8 reserved_7[0xc]; + u8 reserved_at_f0[0xc]; u8 log_max_eq[0x4]; u8 max_indirection[0x8]; - u8 reserved_8[0x1]; + u8 reserved_at_108[0x1]; u8 log_max_mrw_sz[0x7]; - u8 reserved_9[0x2]; + u8 reserved_at_110[0x2]; u8 log_max_bsf_list_size[0x6]; - u8 reserved_10[0x2]; + u8 reserved_at_118[0x2]; u8 log_max_klm_list_size[0x6]; - u8 reserved_11[0xa]; + u8 reserved_at_120[0xa]; u8 log_max_ra_req_dc[0x6]; - u8 reserved_12[0xa]; + u8 reserved_at_130[0xa]; u8 log_max_ra_res_dc[0x6]; - u8 reserved_13[0xa]; + u8 reserved_at_140[0xa]; u8 log_max_ra_req_qp[0x6]; - u8 reserved_14[0xa]; + u8 reserved_at_150[0xa]; u8 log_max_ra_res_qp[0x6]; u8 pad_cap[0x1]; u8 cc_query_allowed[0x1]; u8 cc_modify_allowed[0x1]; - u8 reserved_15[0xd]; + u8 reserved_at_163[0xd]; u8 gid_table_size[0x10]; u8 out_of_seq_cnt[0x1]; u8 vport_counters[0x1]; - u8 reserved_16[0x4]; + u8 reserved_at_182[0x4]; u8 max_qp_cnt[0xa]; u8 pkey_table_size[0x10]; @@ -716,158 +716,158 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 vhca_group_manager[0x1]; u8 ib_virt[0x1]; u8 eth_virt[0x1]; - u8 reserved_17[0x1]; + u8 reserved_at_1a4[0x1]; u8 ets[0x1]; u8 nic_flow_table[0x1]; u8 eswitch_flow_table[0x1]; u8 early_vf_enable; - u8 reserved_18[0x2]; + u8 reserved_at_1a8[0x2]; u8 local_ca_ack_delay[0x5]; - u8 reserved_19[0x6]; + u8 reserved_at_1af[0x6]; u8 port_type[0x2]; u8 num_ports[0x8]; - u8 reserved_20[0x3]; + u8 reserved_at_1bf[0x3]; u8 log_max_msg[0x5]; - u8 reserved_21[0x18]; + u8 reserved_at_1c7[0x18]; u8 stat_rate_support[0x10]; - u8 reserved_22[0xc]; + u8 reserved_at_1ef[0xc]; u8 cqe_version[0x4]; u8 compact_address_vector[0x1]; - u8 reserved_23[0xe]; + u8 reserved_at_200[0xe]; u8 drain_sigerr[0x1]; u8 cmdif_checksum[0x2]; u8 sigerr_cqe[0x1]; - u8 reserved_24[0x1]; + u8 reserved_at_212[0x1]; u8 wq_signature[0x1]; u8 sctr_data_cqe[0x1]; - u8 reserved_25[0x1]; + u8 reserved_at_215[0x1]; u8 sho[0x1]; u8 tph[0x1]; u8 rf[0x1]; u8 dct[0x1]; - u8 reserved_26[0x1]; + u8 reserved_at_21a[0x1]; u8 eth_net_offloads[0x1]; u8 roce[0x1]; u8 atomic[0x1]; - u8 reserved_27[0x1]; + u8 reserved_at_21e[0x1]; u8 cq_oi[0x1]; u8 cq_resize[0x1]; u8 cq_moderation[0x1]; - u8 reserved_28[0x3]; + u8 reserved_at_222[0x3]; u8 cq_eq_remap[0x1]; u8 pg[0x1]; u8 block_lb_mc[0x1]; - u8 reserved_29[0x1]; + u8 reserved_at_228[0x1]; u8 scqe_break_moderation[0x1]; - u8 reserved_30[0x1]; + u8 reserved_at_22a[0x1]; u8 cd[0x1]; - u8 reserved_31[0x1]; + u8 reserved_at_22c[0x1]; u8 apm[0x1]; - u8 reserved_32[0x7]; + u8 reserved_at_22e[0x7]; u8 qkv[0x1]; u8 pkv[0x1]; - u8 reserved_33[0x4]; + u8 reserved_at_237[0x4]; u8 xrc[0x1]; u8 ud[0x1]; u8 uc[0x1]; u8 rc[0x1]; - u8 reserved_34[0xa]; + u8 reserved_at_23f[0xa]; u8 uar_sz[0x6]; - u8 reserved_35[0x8]; + u8 reserved_at_24f[0x8]; u8 log_pg_sz[0x8]; u8 bf[0x1]; - u8 reserved_36[0x1]; + u8 reserved_at_260[0x1]; u8 pad_tx_eth_packet[0x1]; - u8 reserved_37[0x8]; + u8 reserved_at_262[0x8]; u8 log_bf_reg_size[0x5]; - u8 reserved_38[0x10]; + u8 reserved_at_26f[0x10]; - u8 reserved_39[0x10]; + u8 reserved_at_27f[0x10]; u8 max_wqe_sz_sq[0x10]; - u8 reserved_40[0x10]; + u8 reserved_at_29f[0x10]; u8 max_wqe_sz_rq[0x10]; - u8 reserved_41[0x10]; + u8 reserved_at_2bf[0x10]; u8 max_wqe_sz_sq_dc[0x10]; - u8 reserved_42[0x7]; + u8 reserved_at_2df[0x7]; u8 max_qp_mcg[0x19]; - u8 reserved_43[0x18]; + u8 reserved_at_2ff[0x18]; u8 log_max_mcg[0x8]; - u8 reserved_44[0x3]; + u8 reserved_at_31f[0x3]; u8 log_max_transport_domain[0x5]; - u8 reserved_45[0x3]; + u8 reserved_at_327[0x3]; u8 log_max_pd[0x5]; - u8 reserved_46[0xb]; + u8 reserved_at_32f[0xb]; u8 log_max_xrcd[0x5]; - u8 reserved_47[0x20]; + u8 reserved_at_33f[0x20]; - u8 reserved_48[0x3]; + u8 reserved_at_35f[0x3]; u8 log_max_rq[0x5]; - u8 reserved_49[0x3]; + u8 reserved_at_367[0x3]; u8 log_max_sq[0x5]; - u8 reserved_50[0x3]; + u8 reserved_at_36f[0x3]; u8 log_max_tir[0x5]; - u8 reserved_51[0x3]; + u8 reserved_at_377[0x3]; u8 log_max_tis[0x5]; u8 basic_cyclic_rcv_wqe[0x1]; - u8 reserved_52[0x2]; + u8 reserved_at_380[0x2]; u8 log_max_rmp[0x5]; - u8 reserved_53[0x3]; + u8 reserved_at_387[0x3]; u8 log_max_rqt[0x5]; - u8 reserved_54[0x3]; + u8 reserved_at_38f[0x3]; u8 log_max_rqt_size[0x5]; - u8 reserved_55[0x3]; + u8 reserved_at_397[0x3]; u8 log_max_tis_per_sq[0x5]; - u8 reserved_56[0x3]; + u8 reserved_at_39f[0x3]; u8 log_max_stride_sz_rq[0x5]; - u8 reserved_57[0x3]; + u8 reserved_at_3a7[0x3]; u8 log_min_stride_sz_rq[0x5]; - u8 reserved_58[0x3]; + u8 reserved_at_3af[0x3]; u8 log_max_stride_sz_sq[0x5]; - u8 reserved_59[0x3]; + u8 reserved_at_3b7[0x3]; u8 log_min_stride_sz_sq[0x5]; - u8 reserved_60[0x1b]; + u8 reserved_at_3bf[0x1b]; u8 log_max_wq_sz[0x5]; u8 nic_vport_change_event[0x1]; - u8 reserved_61[0xa]; + u8 reserved_at_3e0[0xa]; u8 log_max_vlan_list[0x5]; - u8 reserved_62[0x3]; + u8 reserved_at_3ef[0x3]; u8 log_max_current_mc_list[0x5]; - u8 reserved_63[0x3]; + u8 reserved_at_3f7[0x3]; u8 log_max_current_uc_list[0x5]; - u8 reserved_64[0x80]; + u8 reserved_at_3ff[0x80]; - u8 reserved_65[0x3]; + u8 reserved_at_47f[0x3]; u8 log_max_l2_table[0x5]; - u8 reserved_66[0x8]; + u8 reserved_at_487[0x8]; u8 log_uar_page_sz[0x10]; - u8 reserved_67[0x20]; + u8 reserved_at_49f[0x20]; u8 device_frequency_mhz[0x20]; u8 device_frequency_khz[0x20]; - u8 reserved_68[0x5f]; + u8 reserved_at_4ff[0x5f]; u8 cqe_zip[0x1]; u8 cqe_zip_timeout[0x10]; u8 cqe_zip_max_num[0x10]; - u8 reserved_69[0x220]; + u8 reserved_at_57f[0x220]; }; enum mlx5_flow_destination_type { @@ -880,7 +880,7 @@ struct mlx5_ifc_dest_format_struct_bits { u8 destination_type[0x8]; u8 destination_id[0x18]; - u8 reserved_0[0x20]; + u8 reserved_at_20[0x20]; }; struct mlx5_ifc_fte_match_param_bits { @@ -890,7 +890,7 @@ struct mlx5_ifc_fte_match_param_bits { struct mlx5_ifc_fte_match_set_lyr_2_4_bits inner_headers; - u8 reserved_0[0xa00]; + u8 reserved_at_600[0xa00]; }; enum { @@ -922,18 +922,18 @@ struct mlx5_ifc_wq_bits { u8 wq_signature[0x1]; u8 end_padding_mode[0x2]; u8 cd_slave[0x1]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 hds_skip_first_sge[0x1]; u8 log2_hds_buf_size[0x3]; - u8 reserved_1[0x7]; + u8 reserved_at_24[0x7]; u8 page_offset[0x5]; u8 lwm[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 pd[0x18]; - u8 reserved_3[0x8]; + u8 reserved_at_60[0x8]; u8 uar_page[0x18]; u8 dbr_addr[0x40]; @@ -942,60 +942,60 @@ struct mlx5_ifc_wq_bits { u8 sw_counter[0x20]; - u8 reserved_4[0xc]; + u8 reserved_at_100[0xc]; u8 log_wq_stride[0x4]; - u8 reserved_5[0x3]; + u8 reserved_at_110[0x3]; u8 log_wq_pg_sz[0x5]; - u8 reserved_6[0x3]; + u8 reserved_at_118[0x3]; u8 log_wq_sz[0x5]; - u8 reserved_7[0x4e0]; + u8 reserved_at_120[0x4e0]; struct mlx5_ifc_cmd_pas_bits pas[0]; }; struct mlx5_ifc_rq_num_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 rq_num[0x18]; }; struct mlx5_ifc_mac_address_layout_bits { - u8 reserved_0[0x10]; + u8 reserved_at_0[0x10]; u8 mac_addr_47_32[0x10]; u8 mac_addr_31_0[0x20]; }; struct mlx5_ifc_vlan_layout_bits { - u8 reserved_0[0x14]; + u8 reserved_at_0[0x14]; u8 vlan[0x0c]; - u8 reserved_1[0x20]; + u8 reserved_at_20[0x20]; }; struct mlx5_ifc_cong_control_r_roce_ecn_np_bits { - u8 reserved_0[0xa0]; + u8 reserved_at_0[0xa0]; u8 min_time_between_cnps[0x20]; - u8 reserved_1[0x12]; + u8 reserved_at_c0[0x12]; u8 cnp_dscp[0x6]; - u8 reserved_2[0x5]; + u8 reserved_at_d8[0x5]; u8 cnp_802p_prio[0x3]; - u8 reserved_3[0x720]; + u8 reserved_at_e0[0x720]; }; struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits { - u8 reserved_0[0x60]; + u8 reserved_at_0[0x60]; - u8 reserved_1[0x4]; + u8 reserved_at_60[0x4]; u8 clamp_tgt_rate[0x1]; - u8 reserved_2[0x3]; + u8 reserved_at_65[0x3]; u8 clamp_tgt_rate_after_time_inc[0x1]; - u8 reserved_3[0x17]; + u8 reserved_at_69[0x17]; - u8 reserved_4[0x20]; + u8 reserved_at_80[0x20]; u8 rpg_time_reset[0x20]; @@ -1015,7 +1015,7 @@ struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits { u8 rpg_min_rate[0x20]; - u8 reserved_5[0xe0]; + u8 reserved_at_1c0[0xe0]; u8 rate_to_set_on_first_cnp[0x20]; @@ -1025,15 +1025,15 @@ struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits { u8 rate_reduce_monitor_period[0x20]; - u8 reserved_6[0x20]; + u8 reserved_at_320[0x20]; u8 initial_alpha_value[0x20]; - u8 reserved_7[0x4a0]; + u8 reserved_at_360[0x4a0]; }; struct mlx5_ifc_cong_control_802_1qau_rp_bits { - u8 reserved_0[0x80]; + u8 reserved_at_0[0x80]; u8 rppp_max_rps[0x20]; @@ -1055,7 +1055,7 @@ struct mlx5_ifc_cong_control_802_1qau_rp_bits { u8 rpg_min_rate[0x20]; - u8 reserved_1[0x640]; + u8 reserved_at_1c0[0x640]; }; enum { @@ -1205,7 +1205,7 @@ struct mlx5_ifc_phys_layer_cntrs_bits { u8 successful_recovery_events[0x20]; - u8 reserved_0[0x180]; + u8 reserved_at_640[0x180]; }; struct mlx5_ifc_eth_per_traffic_grp_data_layout_bits { @@ -1213,7 +1213,7 @@ struct mlx5_ifc_eth_per_traffic_grp_data_layout_bits { u8 transmit_queue_low[0x20]; - u8 reserved_0[0x780]; + u8 reserved_at_40[0x780]; }; struct mlx5_ifc_eth_per_prio_grp_data_layout_bits { @@ -1221,7 +1221,7 @@ struct mlx5_ifc_eth_per_prio_grp_data_layout_bits { u8 rx_octets_low[0x20]; - u8 reserved_0[0xc0]; + u8 reserved_at_40[0xc0]; u8 rx_frames_high[0x20]; @@ -1231,7 +1231,7 @@ struct mlx5_ifc_eth_per_prio_grp_data_layout_bits { u8 tx_octets_low[0x20]; - u8 reserved_1[0xc0]; + u8 reserved_at_180[0xc0]; u8 tx_frames_high[0x20]; @@ -1257,7 +1257,7 @@ struct mlx5_ifc_eth_per_prio_grp_data_layout_bits { u8 rx_pause_transition_low[0x20]; - u8 reserved_2[0x400]; + u8 reserved_at_3c0[0x400]; }; struct mlx5_ifc_eth_extended_cntrs_grp_data_layout_bits { @@ -1265,7 +1265,7 @@ struct mlx5_ifc_eth_extended_cntrs_grp_data_layout_bits { u8 port_transmit_wait_low[0x20]; - u8 reserved_0[0x780]; + u8 reserved_at_40[0x780]; }; struct mlx5_ifc_eth_3635_cntrs_grp_data_layout_bits { @@ -1333,7 +1333,7 @@ struct mlx5_ifc_eth_3635_cntrs_grp_data_layout_bits { u8 dot3out_pause_frames_low[0x20]; - u8 reserved_0[0x3c0]; + u8 reserved_at_400[0x3c0]; }; struct mlx5_ifc_eth_2819_cntrs_grp_data_layout_bits { @@ -1421,7 +1421,7 @@ struct mlx5_ifc_eth_2819_cntrs_grp_data_layout_bits { u8 ether_stats_pkts8192to10239octets_low[0x20]; - u8 reserved_0[0x280]; + u8 reserved_at_540[0x280]; }; struct mlx5_ifc_eth_2863_cntrs_grp_data_layout_bits { @@ -1477,7 +1477,7 @@ struct mlx5_ifc_eth_2863_cntrs_grp_data_layout_bits { u8 if_out_broadcast_pkts_low[0x20]; - u8 reserved_0[0x480]; + u8 reserved_at_340[0x480]; }; struct mlx5_ifc_eth_802_3_cntrs_grp_data_layout_bits { @@ -1557,54 +1557,54 @@ struct mlx5_ifc_eth_802_3_cntrs_grp_data_layout_bits { u8 a_pause_mac_ctrl_frames_transmitted_low[0x20]; - u8 reserved_0[0x300]; + u8 reserved_at_4c0[0x300]; }; struct mlx5_ifc_cmd_inter_comp_event_bits { u8 command_completion_vector[0x20]; - u8 reserved_0[0xc0]; + u8 reserved_at_20[0xc0]; }; struct mlx5_ifc_stall_vl_event_bits { - u8 reserved_0[0x18]; + u8 reserved_at_0[0x18]; u8 port_num[0x1]; - u8 reserved_1[0x3]; + u8 reserved_at_19[0x3]; u8 vl[0x4]; - u8 reserved_2[0xa0]; + u8 reserved_at_20[0xa0]; }; struct mlx5_ifc_db_bf_congestion_event_bits { u8 event_subtype[0x8]; - u8 reserved_0[0x8]; + u8 reserved_at_8[0x8]; u8 congestion_level[0x8]; - u8 reserved_1[0x8]; + u8 reserved_at_18[0x8]; - u8 reserved_2[0xa0]; + u8 reserved_at_20[0xa0]; }; struct mlx5_ifc_gpio_event_bits { - u8 reserved_0[0x60]; + u8 reserved_at_0[0x60]; u8 gpio_event_hi[0x20]; u8 gpio_event_lo[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_a0[0x40]; }; struct mlx5_ifc_port_state_change_event_bits { - u8 reserved_0[0x40]; + u8 reserved_at_0[0x40]; u8 port_num[0x4]; - u8 reserved_1[0x1c]; + u8 reserved_at_44[0x1c]; - u8 reserved_2[0x80]; + u8 reserved_at_60[0x80]; }; struct mlx5_ifc_dropped_packet_logged_bits { - u8 reserved_0[0xe0]; + u8 reserved_at_0[0xe0]; }; enum { @@ -1613,15 +1613,15 @@ enum { }; struct mlx5_ifc_cq_error_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 cqn[0x18]; - u8 reserved_1[0x20]; + u8 reserved_at_20[0x20]; - u8 reserved_2[0x18]; + u8 reserved_at_40[0x18]; u8 syndrome[0x8]; - u8 reserved_3[0x80]; + u8 reserved_at_60[0x80]; }; struct mlx5_ifc_rdma_page_fault_event_bits { @@ -1629,14 +1629,14 @@ struct mlx5_ifc_rdma_page_fault_event_bits { u8 r_key[0x20]; - u8 reserved_0[0x10]; + u8 reserved_at_40[0x10]; u8 packet_len[0x10]; u8 rdma_op_len[0x20]; u8 rdma_va[0x40]; - u8 reserved_1[0x5]; + u8 reserved_at_c0[0x5]; u8 rdma[0x1]; u8 write[0x1]; u8 requestor[0x1]; @@ -1646,15 +1646,15 @@ struct mlx5_ifc_rdma_page_fault_event_bits { struct mlx5_ifc_wqe_associated_page_fault_event_bits { u8 bytes_committed[0x20]; - u8 reserved_0[0x10]; + u8 reserved_at_20[0x10]; u8 wqe_index[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_40[0x10]; u8 len[0x10]; - u8 reserved_2[0x60]; + u8 reserved_at_60[0x60]; - u8 reserved_3[0x5]; + u8 reserved_at_c0[0x5]; u8 rdma[0x1]; u8 write_read[0x1]; u8 requestor[0x1]; @@ -1662,26 +1662,26 @@ struct mlx5_ifc_wqe_associated_page_fault_event_bits { }; struct mlx5_ifc_qp_events_bits { - u8 reserved_0[0xa0]; + u8 reserved_at_0[0xa0]; u8 type[0x8]; - u8 reserved_1[0x18]; + u8 reserved_at_a8[0x18]; - u8 reserved_2[0x8]; + u8 reserved_at_c0[0x8]; u8 qpn_rqn_sqn[0x18]; }; struct mlx5_ifc_dct_events_bits { - u8 reserved_0[0xc0]; + u8 reserved_at_0[0xc0]; - u8 reserved_1[0x8]; + u8 reserved_at_c0[0x8]; u8 dct_number[0x18]; }; struct mlx5_ifc_comp_event_bits { - u8 reserved_0[0xc0]; + u8 reserved_at_0[0xc0]; - u8 reserved_1[0x8]; + u8 reserved_at_c0[0x8]; u8 cq_number[0x18]; }; @@ -1754,41 +1754,41 @@ enum { struct mlx5_ifc_qpc_bits { u8 state[0x4]; - u8 reserved_0[0x4]; + u8 reserved_at_4[0x4]; u8 st[0x8]; - u8 reserved_1[0x3]; + u8 reserved_at_10[0x3]; u8 pm_state[0x2]; - u8 reserved_2[0x7]; + u8 reserved_at_15[0x7]; u8 end_padding_mode[0x2]; - u8 reserved_3[0x2]; + u8 reserved_at_1e[0x2]; u8 wq_signature[0x1]; u8 block_lb_mc[0x1]; u8 atomic_like_write_en[0x1]; u8 latency_sensitive[0x1]; - u8 reserved_4[0x1]; + u8 reserved_at_24[0x1]; u8 drain_sigerr[0x1]; - u8 reserved_5[0x2]; + u8 reserved_at_26[0x2]; u8 pd[0x18]; u8 mtu[0x3]; u8 log_msg_max[0x5]; - u8 reserved_6[0x1]; + u8 reserved_at_48[0x1]; u8 log_rq_size[0x4]; u8 log_rq_stride[0x3]; u8 no_sq[0x1]; u8 log_sq_size[0x4]; - u8 reserved_7[0x6]; + u8 reserved_at_55[0x6]; u8 rlky[0x1]; - u8 reserved_8[0x4]; + u8 reserved_at_5c[0x4]; u8 counter_set_id[0x8]; u8 uar_page[0x18]; - u8 reserved_9[0x8]; + u8 reserved_at_80[0x8]; u8 user_index[0x18]; - u8 reserved_10[0x3]; + u8 reserved_at_a0[0x3]; u8 log_page_size[0x5]; u8 remote_qpn[0x18]; @@ -1797,66 +1797,66 @@ struct mlx5_ifc_qpc_bits { struct mlx5_ifc_ads_bits secondary_address_path; u8 log_ack_req_freq[0x4]; - u8 reserved_11[0x4]; + u8 reserved_at_384[0x4]; u8 log_sra_max[0x3]; - u8 reserved_12[0x2]; + u8 reserved_at_38b[0x2]; u8 retry_count[0x3]; u8 rnr_retry[0x3]; - u8 reserved_13[0x1]; + u8 reserved_at_393[0x1]; u8 fre[0x1]; u8 cur_rnr_retry[0x3]; u8 cur_retry_count[0x3]; - u8 reserved_14[0x5]; + u8 reserved_at_39b[0x5]; - u8 reserved_15[0x20]; + u8 reserved_at_3a0[0x20]; - u8 reserved_16[0x8]; + u8 reserved_at_3c0[0x8]; u8 next_send_psn[0x18]; - u8 reserved_17[0x8]; + u8 reserved_at_3e0[0x8]; u8 cqn_snd[0x18]; - u8 reserved_18[0x40]; + u8 reserved_at_400[0x40]; - u8 reserved_19[0x8]; + u8 reserved_at_440[0x8]; u8 last_acked_psn[0x18]; - u8 reserved_20[0x8]; + u8 reserved_at_460[0x8]; u8 ssn[0x18]; - u8 reserved_21[0x8]; + u8 reserved_at_480[0x8]; u8 log_rra_max[0x3]; - u8 reserved_22[0x1]; + u8 reserved_at_48b[0x1]; u8 atomic_mode[0x4]; u8 rre[0x1]; u8 rwe[0x1]; u8 rae[0x1]; - u8 reserved_23[0x1]; + u8 reserved_at_493[0x1]; u8 page_offset[0x6]; - u8 reserved_24[0x3]; + u8 reserved_at_49a[0x3]; u8 cd_slave_receive[0x1]; u8 cd_slave_send[0x1]; u8 cd_master[0x1]; - u8 reserved_25[0x3]; + u8 reserved_at_4a0[0x3]; u8 min_rnr_nak[0x5]; u8 next_rcv_psn[0x18]; - u8 reserved_26[0x8]; + u8 reserved_at_4c0[0x8]; u8 xrcd[0x18]; - u8 reserved_27[0x8]; + u8 reserved_at_4e0[0x8]; u8 cqn_rcv[0x18]; u8 dbr_addr[0x40]; u8 q_key[0x20]; - u8 reserved_28[0x5]; + u8 reserved_at_560[0x5]; u8 rq_type[0x3]; u8 srqn_rmpn[0x18]; - u8 reserved_29[0x8]; + u8 reserved_at_580[0x8]; u8 rmsn[0x18]; u8 hw_sq_wqebb_counter[0x10]; @@ -1866,33 +1866,33 @@ struct mlx5_ifc_qpc_bits { u8 sw_rq_counter[0x20]; - u8 reserved_30[0x20]; + u8 reserved_at_600[0x20]; - u8 reserved_31[0xf]; + u8 reserved_at_620[0xf]; u8 cgs[0x1]; u8 cs_req[0x8]; u8 cs_res[0x8]; u8 dc_access_key[0x40]; - u8 reserved_32[0xc0]; + u8 reserved_at_680[0xc0]; }; struct mlx5_ifc_roce_addr_layout_bits { u8 source_l3_address[16][0x8]; - u8 reserved_0[0x3]; + u8 reserved_at_80[0x3]; u8 vlan_valid[0x1]; u8 vlan_id[0xc]; u8 source_mac_47_32[0x10]; u8 source_mac_31_0[0x20]; - u8 reserved_1[0x14]; + u8 reserved_at_c0[0x14]; u8 roce_l3_type[0x4]; u8 roce_version[0x8]; - u8 reserved_2[0x20]; + u8 reserved_at_e0[0x20]; }; union mlx5_ifc_hca_cap_union_bits { @@ -1904,7 +1904,7 @@ union mlx5_ifc_hca_cap_union_bits { struct mlx5_ifc_flow_table_nic_cap_bits flow_table_nic_cap; struct mlx5_ifc_flow_table_eswitch_cap_bits flow_table_eswitch_cap; struct mlx5_ifc_e_switch_cap_bits e_switch_cap; - u8 reserved_0[0x8000]; + u8 reserved_at_0[0x8000]; }; enum { @@ -1914,24 +1914,24 @@ enum { }; struct mlx5_ifc_flow_context_bits { - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; u8 group_id[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 flow_tag[0x18]; - u8 reserved_2[0x10]; + u8 reserved_at_60[0x10]; u8 action[0x10]; - u8 reserved_3[0x8]; + u8 reserved_at_80[0x8]; u8 destination_list_size[0x18]; - u8 reserved_4[0x160]; + u8 reserved_at_a0[0x160]; struct mlx5_ifc_fte_match_param_bits match_value; - u8 reserved_5[0x600]; + u8 reserved_at_1200[0x600]; struct mlx5_ifc_dest_format_struct_bits destination[0]; }; @@ -1944,43 +1944,43 @@ enum { struct mlx5_ifc_xrc_srqc_bits { u8 state[0x4]; u8 log_xrc_srq_size[0x4]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 wq_signature[0x1]; u8 cont_srq[0x1]; - u8 reserved_1[0x1]; + u8 reserved_at_22[0x1]; u8 rlky[0x1]; u8 basic_cyclic_rcv_wqe[0x1]; u8 log_rq_stride[0x3]; u8 xrcd[0x18]; u8 page_offset[0x6]; - u8 reserved_2[0x2]; + u8 reserved_at_46[0x2]; u8 cqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 user_index_equal_xrc_srqn[0x1]; - u8 reserved_4[0x1]; + u8 reserved_at_81[0x1]; u8 log_page_size[0x6]; u8 user_index[0x18]; - u8 reserved_5[0x20]; + u8 reserved_at_a0[0x20]; - u8 reserved_6[0x8]; + u8 reserved_at_c0[0x8]; u8 pd[0x18]; u8 lwm[0x10]; u8 wqe_cnt[0x10]; - u8 reserved_7[0x40]; + u8 reserved_at_100[0x40]; u8 db_record_addr_h[0x20]; u8 db_record_addr_l[0x1e]; - u8 reserved_8[0x2]; + u8 reserved_at_17e[0x2]; - u8 reserved_9[0x80]; + u8 reserved_at_180[0x80]; }; struct mlx5_ifc_traffic_counter_bits { @@ -1990,16 +1990,16 @@ struct mlx5_ifc_traffic_counter_bits { }; struct mlx5_ifc_tisc_bits { - u8 reserved_0[0xc]; + u8 reserved_at_0[0xc]; u8 prio[0x4]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0x100]; + u8 reserved_at_20[0x100]; - u8 reserved_3[0x8]; + u8 reserved_at_120[0x8]; u8 transport_domain[0x18]; - u8 reserved_4[0x3c0]; + u8 reserved_at_140[0x3c0]; }; enum { @@ -2024,31 +2024,31 @@ enum { }; struct mlx5_ifc_tirc_bits { - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; u8 disp_type[0x4]; - u8 reserved_1[0x1c]; + u8 reserved_at_24[0x1c]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; - u8 reserved_3[0x4]; + u8 reserved_at_80[0x4]; u8 lro_timeout_period_usecs[0x10]; u8 lro_enable_mask[0x4]; u8 lro_max_ip_payload_size[0x8]; - u8 reserved_4[0x40]; + u8 reserved_at_a0[0x40]; - u8 reserved_5[0x8]; + u8 reserved_at_e0[0x8]; u8 inline_rqn[0x18]; u8 rx_hash_symmetric[0x1]; - u8 reserved_6[0x1]; + u8 reserved_at_101[0x1]; u8 tunneled_offload_en[0x1]; - u8 reserved_7[0x5]; + u8 reserved_at_103[0x5]; u8 indirect_table[0x18]; u8 rx_hash_fn[0x4]; - u8 reserved_8[0x2]; + u8 reserved_at_124[0x2]; u8 self_lb_block[0x2]; u8 transport_domain[0x18]; @@ -2058,7 +2058,7 @@ struct mlx5_ifc_tirc_bits { struct mlx5_ifc_rx_hash_field_select_bits rx_hash_field_selector_inner; - u8 reserved_9[0x4c0]; + u8 reserved_at_2c0[0x4c0]; }; enum { @@ -2069,39 +2069,39 @@ enum { struct mlx5_ifc_srqc_bits { u8 state[0x4]; u8 log_srq_size[0x4]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 wq_signature[0x1]; u8 cont_srq[0x1]; - u8 reserved_1[0x1]; + u8 reserved_at_22[0x1]; u8 rlky[0x1]; - u8 reserved_2[0x1]; + u8 reserved_at_24[0x1]; u8 log_rq_stride[0x3]; u8 xrcd[0x18]; u8 page_offset[0x6]; - u8 reserved_3[0x2]; + u8 reserved_at_46[0x2]; u8 cqn[0x18]; - u8 reserved_4[0x20]; + u8 reserved_at_60[0x20]; - u8 reserved_5[0x2]; + u8 reserved_at_80[0x2]; u8 log_page_size[0x6]; - u8 reserved_6[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_7[0x20]; + u8 reserved_at_a0[0x20]; - u8 reserved_8[0x8]; + u8 reserved_at_c0[0x8]; u8 pd[0x18]; u8 lwm[0x10]; u8 wqe_cnt[0x10]; - u8 reserved_9[0x40]; + u8 reserved_at_100[0x40]; u8 dbr_addr[0x40]; - u8 reserved_10[0x80]; + u8 reserved_at_180[0x80]; }; enum { @@ -2115,39 +2115,39 @@ struct mlx5_ifc_sqc_bits { u8 cd_master[0x1]; u8 fre[0x1]; u8 flush_in_error_en[0x1]; - u8 reserved_0[0x4]; + u8 reserved_at_4[0x4]; u8 state[0x4]; - u8 reserved_1[0x14]; + u8 reserved_at_c[0x14]; - u8 reserved_2[0x8]; + u8 reserved_at_20[0x8]; u8 user_index[0x18]; - u8 reserved_3[0x8]; + u8 reserved_at_40[0x8]; u8 cqn[0x18]; - u8 reserved_4[0xa0]; + u8 reserved_at_60[0xa0]; u8 tis_lst_sz[0x10]; - u8 reserved_5[0x10]; + u8 reserved_at_110[0x10]; - u8 reserved_6[0x40]; + u8 reserved_at_120[0x40]; - u8 reserved_7[0x8]; + u8 reserved_at_160[0x8]; u8 tis_num_0[0x18]; struct mlx5_ifc_wq_bits wq; }; struct mlx5_ifc_rqtc_bits { - u8 reserved_0[0xa0]; + u8 reserved_at_0[0xa0]; - u8 reserved_1[0x10]; + u8 reserved_at_a0[0x10]; u8 rqt_max_size[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_c0[0x10]; u8 rqt_actual_size[0x10]; - u8 reserved_3[0x6a0]; + u8 reserved_at_e0[0x6a0]; struct mlx5_ifc_rq_num_bits rq_num[0]; }; @@ -2165,27 +2165,27 @@ enum { struct mlx5_ifc_rqc_bits { u8 rlky[0x1]; - u8 reserved_0[0x2]; + u8 reserved_at_1[0x2]; u8 vsd[0x1]; u8 mem_rq_type[0x4]; u8 state[0x4]; - u8 reserved_1[0x1]; + u8 reserved_at_c[0x1]; u8 flush_in_error_en[0x1]; - u8 reserved_2[0x12]; + u8 reserved_at_e[0x12]; - u8 reserved_3[0x8]; + u8 reserved_at_20[0x8]; u8 user_index[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_40[0x8]; u8 cqn[0x18]; u8 counter_set_id[0x8]; - u8 reserved_5[0x18]; + u8 reserved_at_68[0x18]; - u8 reserved_6[0x8]; + u8 reserved_at_80[0x8]; u8 rmpn[0x18]; - u8 reserved_7[0xe0]; + u8 reserved_at_a0[0xe0]; struct mlx5_ifc_wq_bits wq; }; @@ -2196,31 +2196,31 @@ enum { }; struct mlx5_ifc_rmpc_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 state[0x4]; - u8 reserved_1[0x14]; + u8 reserved_at_c[0x14]; u8 basic_cyclic_rcv_wqe[0x1]; - u8 reserved_2[0x1f]; + u8 reserved_at_21[0x1f]; - u8 reserved_3[0x140]; + u8 reserved_at_40[0x140]; struct mlx5_ifc_wq_bits wq; }; struct mlx5_ifc_nic_vport_context_bits { - u8 reserved_0[0x1f]; + u8 reserved_at_0[0x1f]; u8 roce_en[0x1]; u8 arm_change_event[0x1]; - u8 reserved_1[0x1a]; + u8 reserved_at_21[0x1a]; u8 event_on_mtu[0x1]; u8 event_on_promisc_change[0x1]; u8 event_on_vlan_change[0x1]; u8 event_on_mc_address_change[0x1]; u8 event_on_uc_address_change[0x1]; - u8 reserved_2[0xf0]; + u8 reserved_at_40[0xf0]; u8 mtu[0x10]; @@ -2228,21 +2228,21 @@ struct mlx5_ifc_nic_vport_context_bits { u8 port_guid[0x40]; u8 node_guid[0x40]; - u8 reserved_3[0x140]; + u8 reserved_at_200[0x140]; u8 qkey_violation_counter[0x10]; - u8 reserved_4[0x430]; + u8 reserved_at_350[0x430]; u8 promisc_uc[0x1]; u8 promisc_mc[0x1]; u8 promisc_all[0x1]; - u8 reserved_5[0x2]; + u8 reserved_at_783[0x2]; u8 allowed_list_type[0x3]; - u8 reserved_6[0xc]; + u8 reserved_at_788[0xc]; u8 allowed_list_size[0xc]; struct mlx5_ifc_mac_address_layout_bits permanent_address; - u8 reserved_7[0x20]; + u8 reserved_at_7e0[0x20]; u8 current_uc_mac_address[0][0x40]; }; @@ -2254,9 +2254,9 @@ enum { }; struct mlx5_ifc_mkc_bits { - u8 reserved_0[0x1]; + u8 reserved_at_0[0x1]; u8 free[0x1]; - u8 reserved_1[0xd]; + u8 reserved_at_2[0xd]; u8 small_fence_on_rdma_read_response[0x1]; u8 umr_en[0x1]; u8 a[0x1]; @@ -2265,19 +2265,19 @@ struct mlx5_ifc_mkc_bits { u8 lw[0x1]; u8 lr[0x1]; u8 access_mode[0x2]; - u8 reserved_2[0x8]; + u8 reserved_at_18[0x8]; u8 qpn[0x18]; u8 mkey_7_0[0x8]; - u8 reserved_3[0x20]; + u8 reserved_at_40[0x20]; u8 length64[0x1]; u8 bsf_en[0x1]; u8 sync_umr[0x1]; - u8 reserved_4[0x2]; + u8 reserved_at_63[0x2]; u8 expected_sigerr_count[0x1]; - u8 reserved_5[0x1]; + u8 reserved_at_66[0x1]; u8 en_rinval[0x1]; u8 pd[0x18]; @@ -2287,18 +2287,18 @@ struct mlx5_ifc_mkc_bits { u8 bsf_octword_size[0x20]; - u8 reserved_6[0x80]; + u8 reserved_at_120[0x80]; u8 translations_octword_size[0x20]; - u8 reserved_7[0x1b]; + u8 reserved_at_1c0[0x1b]; u8 log_page_size[0x5]; - u8 reserved_8[0x20]; + u8 reserved_at_1e0[0x20]; }; struct mlx5_ifc_pkey_bits { - u8 reserved_0[0x10]; + u8 reserved_at_0[0x10]; u8 pkey[0x10]; }; @@ -2309,19 +2309,19 @@ struct mlx5_ifc_array128_auto_bits { struct mlx5_ifc_hca_vport_context_bits { u8 field_select[0x20]; - u8 reserved_0[0xe0]; + u8 reserved_at_20[0xe0]; u8 sm_virt_aware[0x1]; u8 has_smi[0x1]; u8 has_raw[0x1]; u8 grh_required[0x1]; - u8 reserved_1[0xc]; + u8 reserved_at_104[0xc]; u8 port_physical_state[0x4]; u8 vport_state_policy[0x4]; u8 port_state[0x4]; u8 vport_state[0x4]; - u8 reserved_2[0x20]; + u8 reserved_at_120[0x20]; u8 system_image_guid[0x40]; @@ -2337,33 +2337,33 @@ struct mlx5_ifc_hca_vport_context_bits { u8 cap_mask2_field_select[0x20]; - u8 reserved_3[0x80]; + u8 reserved_at_280[0x80]; u8 lid[0x10]; - u8 reserved_4[0x4]; + u8 reserved_at_310[0x4]; u8 init_type_reply[0x4]; u8 lmc[0x3]; u8 subnet_timeout[0x5]; u8 sm_lid[0x10]; u8 sm_sl[0x4]; - u8 reserved_5[0xc]; + u8 reserved_at_334[0xc]; u8 qkey_violation_counter[0x10]; u8 pkey_violation_counter[0x10]; - u8 reserved_6[0xca0]; + u8 reserved_at_360[0xca0]; }; struct mlx5_ifc_esw_vport_context_bits { - u8 reserved_0[0x3]; + u8 reserved_at_0[0x3]; u8 vport_svlan_strip[0x1]; u8 vport_cvlan_strip[0x1]; u8 vport_svlan_insert[0x1]; u8 vport_cvlan_insert[0x2]; - u8 reserved_1[0x18]; + u8 reserved_at_8[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_20[0x20]; u8 svlan_cfi[0x1]; u8 svlan_pcp[0x3]; @@ -2372,7 +2372,7 @@ struct mlx5_ifc_esw_vport_context_bits { u8 cvlan_pcp[0x3]; u8 cvlan_id[0xc]; - u8 reserved_3[0x7a0]; + u8 reserved_at_60[0x7a0]; }; enum { @@ -2387,41 +2387,41 @@ enum { struct mlx5_ifc_eqc_bits { u8 status[0x4]; - u8 reserved_0[0x9]; + u8 reserved_at_4[0x9]; u8 ec[0x1]; u8 oi[0x1]; - u8 reserved_1[0x5]; + u8 reserved_at_f[0x5]; u8 st[0x4]; - u8 reserved_2[0x8]; + u8 reserved_at_18[0x8]; - u8 reserved_3[0x20]; + u8 reserved_at_20[0x20]; - u8 reserved_4[0x14]; + u8 reserved_at_40[0x14]; u8 page_offset[0x6]; - u8 reserved_5[0x6]; + u8 reserved_at_5a[0x6]; - u8 reserved_6[0x3]; + u8 reserved_at_60[0x3]; u8 log_eq_size[0x5]; u8 uar_page[0x18]; - u8 reserved_7[0x20]; + u8 reserved_at_80[0x20]; - u8 reserved_8[0x18]; + u8 reserved_at_a0[0x18]; u8 intr[0x8]; - u8 reserved_9[0x3]; + u8 reserved_at_c0[0x3]; u8 log_page_size[0x5]; - u8 reserved_10[0x18]; + u8 reserved_at_c8[0x18]; - u8 reserved_11[0x60]; + u8 reserved_at_e0[0x60]; - u8 reserved_12[0x8]; + u8 reserved_at_140[0x8]; u8 consumer_counter[0x18]; - u8 reserved_13[0x8]; + u8 reserved_at_160[0x8]; u8 producer_counter[0x18]; - u8 reserved_14[0x80]; + u8 reserved_at_180[0x80]; }; enum { @@ -2445,14 +2445,14 @@ enum { }; struct mlx5_ifc_dctc_bits { - u8 reserved_0[0x4]; + u8 reserved_at_0[0x4]; u8 state[0x4]; - u8 reserved_1[0x18]; + u8 reserved_at_8[0x18]; - u8 reserved_2[0x8]; + u8 reserved_at_20[0x8]; u8 user_index[0x18]; - u8 reserved_3[0x8]; + u8 reserved_at_40[0x8]; u8 cqn[0x18]; u8 counter_set_id[0x8]; @@ -2464,45 +2464,45 @@ struct mlx5_ifc_dctc_bits { u8 latency_sensitive[0x1]; u8 rlky[0x1]; u8 free_ar[0x1]; - u8 reserved_4[0xd]; + u8 reserved_at_73[0xd]; - u8 reserved_5[0x8]; + u8 reserved_at_80[0x8]; u8 cs_res[0x8]; - u8 reserved_6[0x3]; + u8 reserved_at_90[0x3]; u8 min_rnr_nak[0x5]; - u8 reserved_7[0x8]; + u8 reserved_at_98[0x8]; - u8 reserved_8[0x8]; + u8 reserved_at_a0[0x8]; u8 srqn[0x18]; - u8 reserved_9[0x8]; + u8 reserved_at_c0[0x8]; u8 pd[0x18]; u8 tclass[0x8]; - u8 reserved_10[0x4]; + u8 reserved_at_e8[0x4]; u8 flow_label[0x14]; u8 dc_access_key[0x40]; - u8 reserved_11[0x5]; + u8 reserved_at_140[0x5]; u8 mtu[0x3]; u8 port[0x8]; u8 pkey_index[0x10]; - u8 reserved_12[0x8]; + u8 reserved_at_160[0x8]; u8 my_addr_index[0x8]; - u8 reserved_13[0x8]; + u8 reserved_at_170[0x8]; u8 hop_limit[0x8]; u8 dc_access_key_violation_count[0x20]; - u8 reserved_14[0x14]; + u8 reserved_at_1a0[0x14]; u8 dei_cfi[0x1]; u8 eth_prio[0x3]; u8 ecn[0x2]; u8 dscp[0x6]; - u8 reserved_15[0x40]; + u8 reserved_at_1c0[0x40]; }; enum { @@ -2524,54 +2524,54 @@ enum { struct mlx5_ifc_cqc_bits { u8 status[0x4]; - u8 reserved_0[0x4]; + u8 reserved_at_4[0x4]; u8 cqe_sz[0x3]; u8 cc[0x1]; - u8 reserved_1[0x1]; + u8 reserved_at_c[0x1]; u8 scqe_break_moderation_en[0x1]; u8 oi[0x1]; - u8 reserved_2[0x2]; + u8 reserved_at_f[0x2]; u8 cqe_zip_en[0x1]; u8 mini_cqe_res_format[0x2]; u8 st[0x4]; - u8 reserved_3[0x8]; + u8 reserved_at_18[0x8]; - u8 reserved_4[0x20]; + u8 reserved_at_20[0x20]; - u8 reserved_5[0x14]; + u8 reserved_at_40[0x14]; u8 page_offset[0x6]; - u8 reserved_6[0x6]; + u8 reserved_at_5a[0x6]; - u8 reserved_7[0x3]; + u8 reserved_at_60[0x3]; u8 log_cq_size[0x5]; u8 uar_page[0x18]; - u8 reserved_8[0x4]; + u8 reserved_at_80[0x4]; u8 cq_period[0xc]; u8 cq_max_count[0x10]; - u8 reserved_9[0x18]; + u8 reserved_at_a0[0x18]; u8 c_eqn[0x8]; - u8 reserved_10[0x3]; + u8 reserved_at_c0[0x3]; u8 log_page_size[0x5]; - u8 reserved_11[0x18]; + u8 reserved_at_c8[0x18]; - u8 reserved_12[0x20]; + u8 reserved_at_e0[0x20]; - u8 reserved_13[0x8]; + u8 reserved_at_100[0x8]; u8 last_notified_index[0x18]; - u8 reserved_14[0x8]; + u8 reserved_at_120[0x8]; u8 last_solicit_index[0x18]; - u8 reserved_15[0x8]; + u8 reserved_at_140[0x8]; u8 consumer_counter[0x18]; - u8 reserved_16[0x8]; + u8 reserved_at_160[0x8]; u8 producer_counter[0x18]; - u8 reserved_17[0x40]; + u8 reserved_at_180[0x40]; u8 dbr_addr[0x40]; }; @@ -2580,16 +2580,16 @@ union mlx5_ifc_cong_control_roce_ecn_auto_bits { struct mlx5_ifc_cong_control_802_1qau_rp_bits cong_control_802_1qau_rp; struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits cong_control_r_roce_ecn_rp; struct mlx5_ifc_cong_control_r_roce_ecn_np_bits cong_control_r_roce_ecn_np; - u8 reserved_0[0x800]; + u8 reserved_at_0[0x800]; }; struct mlx5_ifc_query_adapter_param_block_bits { - u8 reserved_0[0xc0]; + u8 reserved_at_0[0xc0]; - u8 reserved_1[0x8]; + u8 reserved_at_c0[0x8]; u8 ieee_vendor_id[0x18]; - u8 reserved_2[0x10]; + u8 reserved_at_e0[0x10]; u8 vsd_vendor_id[0x10]; u8 vsd[208][0x8]; @@ -2600,14 +2600,14 @@ struct mlx5_ifc_query_adapter_param_block_bits { union mlx5_ifc_modify_field_select_resize_field_select_auto_bits { struct mlx5_ifc_modify_field_select_bits modify_field_select; struct mlx5_ifc_resize_field_select_bits resize_field_select; - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; }; union mlx5_ifc_field_select_802_1_r_roce_auto_bits { struct mlx5_ifc_field_select_802_1qau_rp_bits field_select_802_1qau_rp; struct mlx5_ifc_field_select_r_roce_rp_bits field_select_r_roce_rp; struct mlx5_ifc_field_select_r_roce_np_bits field_select_r_roce_np; - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; }; union mlx5_ifc_eth_cntrs_grp_data_layout_auto_bits { @@ -2619,7 +2619,7 @@ union mlx5_ifc_eth_cntrs_grp_data_layout_auto_bits { struct mlx5_ifc_eth_per_prio_grp_data_layout_bits eth_per_prio_grp_data_layout; struct mlx5_ifc_eth_per_traffic_grp_data_layout_bits eth_per_traffic_grp_data_layout; struct mlx5_ifc_phys_layer_cntrs_bits phys_layer_cntrs; - u8 reserved_0[0x7c0]; + u8 reserved_at_0[0x7c0]; }; union mlx5_ifc_event_auto_bits { @@ -2635,23 +2635,23 @@ union mlx5_ifc_event_auto_bits { struct mlx5_ifc_db_bf_congestion_event_bits db_bf_congestion_event; struct mlx5_ifc_stall_vl_event_bits stall_vl_event; struct mlx5_ifc_cmd_inter_comp_event_bits cmd_inter_comp_event; - u8 reserved_0[0xe0]; + u8 reserved_at_0[0xe0]; }; struct mlx5_ifc_health_buffer_bits { - u8 reserved_0[0x100]; + u8 reserved_at_0[0x100]; u8 assert_existptr[0x20]; u8 assert_callra[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_140[0x40]; u8 fw_version[0x20]; u8 hw_id[0x20]; - u8 reserved_2[0x20]; + u8 reserved_at_1c0[0x20]; u8 irisc_index[0x8]; u8 synd[0x8]; @@ -2660,20 +2660,20 @@ struct mlx5_ifc_health_buffer_bits { struct mlx5_ifc_register_loopback_control_bits { u8 no_lb[0x1]; - u8 reserved_0[0x7]; + u8 reserved_at_1[0x7]; u8 port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0x60]; + u8 reserved_at_20[0x60]; }; struct mlx5_ifc_teardown_hca_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; enum { @@ -2683,108 +2683,108 @@ enum { struct mlx5_ifc_teardown_hca_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_40[0x10]; u8 profile[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_sqerr2rts_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_sqerr2rts_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 opt_param_mask[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_5[0x80]; + u8 reserved_at_800[0x80]; }; struct mlx5_ifc_sqd2rts_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_sqd2rts_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 opt_param_mask[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_5[0x80]; + u8 reserved_at_800[0x80]; }; struct mlx5_ifc_set_roce_address_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_set_roce_address_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 roce_address_index[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_50[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; struct mlx5_ifc_roce_addr_layout_bits roce_address; }; struct mlx5_ifc_set_mad_demux_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; enum { @@ -2794,89 +2794,89 @@ enum { struct mlx5_ifc_set_mad_demux_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_40[0x20]; - u8 reserved_3[0x6]; + u8 reserved_at_60[0x6]; u8 demux_mode[0x2]; - u8 reserved_4[0x18]; + u8 reserved_at_68[0x18]; }; struct mlx5_ifc_set_l2_table_entry_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_set_l2_table_entry_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x60]; + u8 reserved_at_40[0x60]; - u8 reserved_3[0x8]; + u8 reserved_at_a0[0x8]; u8 table_index[0x18]; - u8 reserved_4[0x20]; + u8 reserved_at_c0[0x20]; - u8 reserved_5[0x13]; + u8 reserved_at_e0[0x13]; u8 vlan_valid[0x1]; u8 vlan[0xc]; struct mlx5_ifc_mac_address_layout_bits mac_address; - u8 reserved_6[0xc0]; + u8 reserved_at_140[0xc0]; }; struct mlx5_ifc_set_issi_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_set_issi_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_40[0x10]; u8 current_issi[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_set_hca_cap_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_set_hca_cap_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; union mlx5_ifc_hca_cap_union_bits capability; }; @@ -2890,156 +2890,156 @@ enum { struct mlx5_ifc_set_fte_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_set_fte_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x18]; + u8 reserved_at_c0[0x18]; u8 modify_enable_mask[0x8]; - u8 reserved_6[0x20]; + u8 reserved_at_e0[0x20]; u8 flow_index[0x20]; - u8 reserved_7[0xe0]; + u8 reserved_at_120[0xe0]; struct mlx5_ifc_flow_context_bits flow_context; }; struct mlx5_ifc_rts2rts_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_rts2rts_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 opt_param_mask[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_5[0x80]; + u8 reserved_at_800[0x80]; }; struct mlx5_ifc_rtr2rts_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_rtr2rts_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 opt_param_mask[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_5[0x80]; + u8 reserved_at_800[0x80]; }; struct mlx5_ifc_rst2init_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_rst2init_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 opt_param_mask[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_5[0x80]; + u8 reserved_at_800[0x80]; }; struct mlx5_ifc_query_xrc_srq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_xrc_srqc_bits xrc_srq_context_entry; - u8 reserved_2[0x600]; + u8 reserved_at_280[0x600]; u8 pas[0][0x40]; }; struct mlx5_ifc_query_xrc_srq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 xrc_srqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; enum { @@ -3049,13 +3049,13 @@ enum { struct mlx5_ifc_query_vport_state_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x20]; + u8 reserved_at_40[0x20]; - u8 reserved_2[0x18]; + u8 reserved_at_60[0x18]; u8 admin_state[0x4]; u8 state[0x4]; }; @@ -3067,25 +3067,25 @@ enum { struct mlx5_ifc_query_vport_state_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xf]; + u8 reserved_at_41[0xf]; u8 vport_number[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_vport_counter_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_traffic_counter_bits received_errors; @@ -3111,7 +3111,7 @@ struct mlx5_ifc_query_vport_counter_out_bits { struct mlx5_ifc_traffic_counter_bits transmitted_eth_multicast; - u8 reserved_2[0xa00]; + u8 reserved_at_680[0xa00]; }; enum { @@ -3120,328 +3120,328 @@ enum { struct mlx5_ifc_query_vport_counter_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xf]; + u8 reserved_at_41[0xf]; u8 vport_number[0x10]; - u8 reserved_3[0x60]; + u8 reserved_at_60[0x60]; u8 clear[0x1]; - u8 reserved_4[0x1f]; + u8 reserved_at_c1[0x1f]; - u8 reserved_5[0x20]; + u8 reserved_at_e0[0x20]; }; struct mlx5_ifc_query_tis_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_tisc_bits tis_context; }; struct mlx5_ifc_query_tis_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 tisn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_tir_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_tirc_bits tir_context; }; struct mlx5_ifc_query_tir_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 tirn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_srq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_srqc_bits srq_context_entry; - u8 reserved_2[0x600]; + u8 reserved_at_280[0x600]; u8 pas[0][0x40]; }; struct mlx5_ifc_query_srq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 srqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_sq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_sqc_bits sq_context; }; struct mlx5_ifc_query_sq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 sqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_special_contexts_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x20]; + u8 reserved_at_40[0x20]; u8 resd_lkey[0x20]; }; struct mlx5_ifc_query_special_contexts_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_query_rqt_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_rqtc_bits rqt_context; }; struct mlx5_ifc_query_rqt_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 rqtn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_rq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_rqc_bits rq_context; }; struct mlx5_ifc_query_rq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 rqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_roce_address_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_roce_addr_layout_bits roce_address; }; struct mlx5_ifc_query_roce_address_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 roce_address_index[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_50[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_rmp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_rmpc_bits rmp_context; }; struct mlx5_ifc_query_rmp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 rmpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; u8 opt_param_mask[0x20]; - u8 reserved_2[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_3[0x80]; + u8 reserved_at_800[0x80]; u8 pas[0][0x40]; }; struct mlx5_ifc_query_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_q_counter_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; u8 rx_write_requests[0x20]; - u8 reserved_2[0x20]; + u8 reserved_at_a0[0x20]; u8 rx_read_requests[0x20]; - u8 reserved_3[0x20]; + u8 reserved_at_e0[0x20]; u8 rx_atomic_requests[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_120[0x20]; u8 rx_dct_connect[0x20]; - u8 reserved_5[0x20]; + u8 reserved_at_160[0x20]; u8 out_of_buffer[0x20]; - u8 reserved_6[0x20]; + u8 reserved_at_1a0[0x20]; u8 out_of_sequence[0x20]; - u8 reserved_7[0x620]; + u8 reserved_at_1e0[0x620]; }; struct mlx5_ifc_query_q_counter_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x80]; + u8 reserved_at_40[0x80]; u8 clear[0x1]; - u8 reserved_3[0x1f]; + u8 reserved_at_c1[0x1f]; - u8 reserved_4[0x18]; + u8 reserved_at_e0[0x18]; u8 counter_set_id[0x8]; }; struct mlx5_ifc_query_pages_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x10]; + u8 reserved_at_40[0x10]; u8 function_id[0x10]; u8 num_pages[0x20]; @@ -3455,55 +3455,55 @@ enum { struct mlx5_ifc_query_pages_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_40[0x10]; u8 function_id[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_nic_vport_context_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_nic_vport_context_bits nic_vport_context; }; struct mlx5_ifc_query_nic_vport_context_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xf]; + u8 reserved_at_41[0xf]; u8 vport_number[0x10]; - u8 reserved_3[0x5]; + u8 reserved_at_60[0x5]; u8 allowed_list_type[0x3]; - u8 reserved_4[0x18]; + u8 reserved_at_68[0x18]; }; struct mlx5_ifc_query_mkey_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_mkc_bits memory_key_mkey_entry; - u8 reserved_2[0x600]; + u8 reserved_at_280[0x600]; u8 bsf0_klm0_pas_mtt0_1[16][0x8]; @@ -3512,265 +3512,265 @@ struct mlx5_ifc_query_mkey_out_bits { struct mlx5_ifc_query_mkey_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 mkey_index[0x18]; u8 pg_access[0x1]; - u8 reserved_3[0x1f]; + u8 reserved_at_61[0x1f]; }; struct mlx5_ifc_query_mad_demux_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; u8 mad_dumux_parameters_block[0x20]; }; struct mlx5_ifc_query_mad_demux_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_query_l2_table_entry_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0xa0]; + u8 reserved_at_40[0xa0]; - u8 reserved_2[0x13]; + u8 reserved_at_e0[0x13]; u8 vlan_valid[0x1]; u8 vlan[0xc]; struct mlx5_ifc_mac_address_layout_bits mac_address; - u8 reserved_3[0xc0]; + u8 reserved_at_140[0xc0]; }; struct mlx5_ifc_query_l2_table_entry_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x60]; + u8 reserved_at_40[0x60]; - u8 reserved_3[0x8]; + u8 reserved_at_a0[0x8]; u8 table_index[0x18]; - u8 reserved_4[0x140]; + u8 reserved_at_c0[0x140]; }; struct mlx5_ifc_query_issi_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x10]; + u8 reserved_at_40[0x10]; u8 current_issi[0x10]; - u8 reserved_2[0xa0]; + u8 reserved_at_60[0xa0]; - u8 supported_issi_reserved[76][0x8]; + u8 reserved_at_100[76][0x8]; u8 supported_issi_dw0[0x20]; }; struct mlx5_ifc_query_issi_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_query_hca_vport_pkey_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_pkey_bits pkey[0]; }; struct mlx5_ifc_query_hca_vport_pkey_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xb]; + u8 reserved_at_41[0xb]; u8 port_num[0x4]; u8 vport_number[0x10]; - u8 reserved_3[0x10]; + u8 reserved_at_60[0x10]; u8 pkey_index[0x10]; }; struct mlx5_ifc_query_hca_vport_gid_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x20]; + u8 reserved_at_40[0x20]; u8 gids_num[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_70[0x10]; struct mlx5_ifc_array128_auto_bits gid[0]; }; struct mlx5_ifc_query_hca_vport_gid_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xb]; + u8 reserved_at_41[0xb]; u8 port_num[0x4]; u8 vport_number[0x10]; - u8 reserved_3[0x10]; + u8 reserved_at_60[0x10]; u8 gid_index[0x10]; }; struct mlx5_ifc_query_hca_vport_context_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_hca_vport_context_bits hca_vport_context; }; struct mlx5_ifc_query_hca_vport_context_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xb]; + u8 reserved_at_41[0xb]; u8 port_num[0x4]; u8 vport_number[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_hca_cap_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; union mlx5_ifc_hca_cap_union_bits capability; }; struct mlx5_ifc_query_hca_cap_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_query_flow_table_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x80]; + u8 reserved_at_40[0x80]; - u8 reserved_2[0x8]; + u8 reserved_at_c0[0x8]; u8 level[0x8]; - u8 reserved_3[0x8]; + u8 reserved_at_d0[0x8]; u8 log_size[0x8]; - u8 reserved_4[0x120]; + u8 reserved_at_e0[0x120]; }; struct mlx5_ifc_query_flow_table_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x140]; + u8 reserved_at_c0[0x140]; }; struct mlx5_ifc_query_fte_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x1c0]; + u8 reserved_at_40[0x1c0]; struct mlx5_ifc_flow_context_bits flow_context; }; struct mlx5_ifc_query_fte_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x40]; + u8 reserved_at_c0[0x40]; u8 flow_index[0x20]; - u8 reserved_6[0xe0]; + u8 reserved_at_120[0xe0]; }; enum { @@ -3781,84 +3781,84 @@ enum { struct mlx5_ifc_query_flow_group_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0xa0]; + u8 reserved_at_40[0xa0]; u8 start_flow_index[0x20]; - u8 reserved_2[0x20]; + u8 reserved_at_100[0x20]; u8 end_flow_index[0x20]; - u8 reserved_3[0xa0]; + u8 reserved_at_140[0xa0]; - u8 reserved_4[0x18]; + u8 reserved_at_1e0[0x18]; u8 match_criteria_enable[0x8]; struct mlx5_ifc_fte_match_param_bits match_criteria; - u8 reserved_5[0xe00]; + u8 reserved_at_1200[0xe00]; }; struct mlx5_ifc_query_flow_group_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; u8 group_id[0x20]; - u8 reserved_5[0x120]; + u8 reserved_at_e0[0x120]; }; struct mlx5_ifc_query_esw_vport_context_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_esw_vport_context_bits esw_vport_context; }; struct mlx5_ifc_query_esw_vport_context_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xf]; + u8 reserved_at_41[0xf]; u8 vport_number[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_modify_esw_vport_context_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_esw_vport_context_fields_select_bits { - u8 reserved[0x1c]; + u8 reserved_at_0[0x1c]; u8 vport_cvlan_insert[0x1]; u8 vport_svlan_insert[0x1]; u8 vport_cvlan_strip[0x1]; @@ -3867,13 +3867,13 @@ struct mlx5_ifc_esw_vport_context_fields_select_bits { struct mlx5_ifc_modify_esw_vport_context_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xf]; + u8 reserved_at_41[0xf]; u8 vport_number[0x10]; struct mlx5_ifc_esw_vport_context_fields_select_bits field_select; @@ -3883,124 +3883,124 @@ struct mlx5_ifc_modify_esw_vport_context_in_bits { struct mlx5_ifc_query_eq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_eqc_bits eq_context_entry; - u8 reserved_2[0x40]; + u8 reserved_at_280[0x40]; u8 event_bitmask[0x40]; - u8 reserved_3[0x580]; + u8 reserved_at_300[0x580]; u8 pas[0][0x40]; }; struct mlx5_ifc_query_eq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x18]; + u8 reserved_at_40[0x18]; u8 eq_number[0x8]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_dct_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_dctc_bits dct_context_entry; - u8 reserved_2[0x180]; + u8 reserved_at_280[0x180]; }; struct mlx5_ifc_query_dct_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 dctn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_cq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_cqc_bits cq_context; - u8 reserved_2[0x600]; + u8 reserved_at_280[0x600]; u8 pas[0][0x40]; }; struct mlx5_ifc_query_cq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 cqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_cong_status_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x20]; + u8 reserved_at_40[0x20]; u8 enable[0x1]; u8 tag_enable[0x1]; - u8 reserved_2[0x1e]; + u8 reserved_at_62[0x1e]; }; struct mlx5_ifc_query_cong_status_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x18]; + u8 reserved_at_40[0x18]; u8 priority[0x4]; u8 cong_protocol[0x4]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_cong_statistics_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; u8 cur_flows[0x20]; @@ -4014,7 +4014,7 @@ struct mlx5_ifc_query_cong_statistics_out_bits { u8 cnp_handled_low[0x20]; - u8 reserved_2[0x100]; + u8 reserved_at_140[0x100]; u8 time_stamp_high[0x20]; @@ -4030,453 +4030,453 @@ struct mlx5_ifc_query_cong_statistics_out_bits { u8 cnps_sent_low[0x20]; - u8 reserved_3[0x560]; + u8 reserved_at_320[0x560]; }; struct mlx5_ifc_query_cong_statistics_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 clear[0x1]; - u8 reserved_2[0x1f]; + u8 reserved_at_41[0x1f]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_cong_params_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; union mlx5_ifc_cong_control_roce_ecn_auto_bits congestion_parameters; }; struct mlx5_ifc_query_cong_params_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x1c]; + u8 reserved_at_40[0x1c]; u8 cong_protocol[0x4]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_query_adapter_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_query_adapter_param_block_bits query_adapter_struct; }; struct mlx5_ifc_query_adapter_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_qp_2rst_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_qp_2rst_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_qp_2err_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_qp_2err_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_page_fault_resume_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_page_fault_resume_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 error[0x1]; - u8 reserved_2[0x4]; + u8 reserved_at_41[0x4]; u8 rdma[0x1]; u8 read_write[0x1]; u8 req_res[0x1]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_nop_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_nop_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_vport_state_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_vport_state_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xf]; + u8 reserved_at_41[0xf]; u8 vport_number[0x10]; - u8 reserved_3[0x18]; + u8 reserved_at_60[0x18]; u8 admin_state[0x4]; - u8 reserved_4[0x4]; + u8 reserved_at_7c[0x4]; }; struct mlx5_ifc_modify_tis_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_tis_bitmask_bits { - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; - u8 reserved_1[0x1f]; + u8 reserved_at_20[0x1f]; u8 prio[0x1]; }; struct mlx5_ifc_modify_tis_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 tisn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; struct mlx5_ifc_modify_tis_bitmask_bits bitmask; - u8 reserved_4[0x40]; + u8 reserved_at_c0[0x40]; struct mlx5_ifc_tisc_bits ctx; }; struct mlx5_ifc_modify_tir_bitmask_bits { - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; - u8 reserved_1[0x1b]; + u8 reserved_at_20[0x1b]; u8 self_lb_en[0x1]; - u8 reserved_2[0x3]; + u8 reserved_at_3c[0x3]; u8 lro[0x1]; }; struct mlx5_ifc_modify_tir_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_tir_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 tirn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; struct mlx5_ifc_modify_tir_bitmask_bits bitmask; - u8 reserved_4[0x40]; + u8 reserved_at_c0[0x40]; struct mlx5_ifc_tirc_bits ctx; }; struct mlx5_ifc_modify_sq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_sq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 sq_state[0x4]; - u8 reserved_2[0x4]; + u8 reserved_at_44[0x4]; u8 sqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 modify_bitmask[0x40]; - u8 reserved_4[0x40]; + u8 reserved_at_c0[0x40]; struct mlx5_ifc_sqc_bits ctx; }; struct mlx5_ifc_modify_rqt_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_rqt_bitmask_bits { - u8 reserved[0x20]; + u8 reserved_at_0[0x20]; - u8 reserved1[0x1f]; + u8 reserved_at_20[0x1f]; u8 rqn_list[0x1]; }; struct mlx5_ifc_modify_rqt_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 rqtn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; struct mlx5_ifc_rqt_bitmask_bits bitmask; - u8 reserved_4[0x40]; + u8 reserved_at_c0[0x40]; struct mlx5_ifc_rqtc_bits ctx; }; struct mlx5_ifc_modify_rq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_rq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 rq_state[0x4]; - u8 reserved_2[0x4]; + u8 reserved_at_44[0x4]; u8 rqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 modify_bitmask[0x40]; - u8 reserved_4[0x40]; + u8 reserved_at_c0[0x40]; struct mlx5_ifc_rqc_bits ctx; }; struct mlx5_ifc_modify_rmp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_rmp_bitmask_bits { - u8 reserved[0x20]; + u8 reserved_at_0[0x20]; - u8 reserved1[0x1f]; + u8 reserved_at_20[0x1f]; u8 lwm[0x1]; }; struct mlx5_ifc_modify_rmp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 rmp_state[0x4]; - u8 reserved_2[0x4]; + u8 reserved_at_44[0x4]; u8 rmpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; struct mlx5_ifc_rmp_bitmask_bits bitmask; - u8 reserved_4[0x40]; + u8 reserved_at_c0[0x40]; struct mlx5_ifc_rmpc_bits ctx; }; struct mlx5_ifc_modify_nic_vport_context_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_nic_vport_field_select_bits { - u8 reserved_0[0x19]; + u8 reserved_at_0[0x19]; u8 mtu[0x1]; u8 change_event[0x1]; u8 promisc[0x1]; u8 permanent_address[0x1]; u8 addresses_list[0x1]; u8 roce_en[0x1]; - u8 reserved_1[0x1]; + u8 reserved_at_1f[0x1]; }; struct mlx5_ifc_modify_nic_vport_context_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xf]; + u8 reserved_at_41[0xf]; u8 vport_number[0x10]; struct mlx5_ifc_modify_nic_vport_field_select_bits field_select; - u8 reserved_3[0x780]; + u8 reserved_at_80[0x780]; struct mlx5_ifc_nic_vport_context_bits nic_vport_context; }; struct mlx5_ifc_modify_hca_vport_context_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_hca_vport_context_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 other_vport[0x1]; - u8 reserved_2[0xb]; + u8 reserved_at_41[0xb]; u8 port_num[0x4]; u8 vport_number[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; struct mlx5_ifc_hca_vport_context_bits hca_vport_context; }; struct mlx5_ifc_modify_cq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; enum { @@ -4486,83 +4486,83 @@ enum { struct mlx5_ifc_modify_cq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 cqn[0x18]; union mlx5_ifc_modify_field_select_resize_field_select_auto_bits modify_field_select_resize_field_select; struct mlx5_ifc_cqc_bits cq_context; - u8 reserved_3[0x600]; + u8 reserved_at_280[0x600]; u8 pas[0][0x40]; }; struct mlx5_ifc_modify_cong_status_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_cong_status_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x18]; + u8 reserved_at_40[0x18]; u8 priority[0x4]; u8 cong_protocol[0x4]; u8 enable[0x1]; u8 tag_enable[0x1]; - u8 reserved_3[0x1e]; + u8 reserved_at_62[0x1e]; }; struct mlx5_ifc_modify_cong_params_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_cong_params_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x1c]; + u8 reserved_at_40[0x1c]; u8 cong_protocol[0x4]; union mlx5_ifc_field_select_802_1_r_roce_auto_bits field_select; - u8 reserved_3[0x80]; + u8 reserved_at_80[0x80]; union mlx5_ifc_cong_control_roce_ecn_auto_bits congestion_parameters; }; struct mlx5_ifc_manage_pages_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; u8 output_num_entries[0x20]; - u8 reserved_1[0x20]; + u8 reserved_at_60[0x20]; u8 pas[0][0x40]; }; @@ -4575,12 +4575,12 @@ enum { struct mlx5_ifc_manage_pages_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_40[0x10]; u8 function_id[0x10]; u8 input_num_entries[0x20]; @@ -4590,117 +4590,117 @@ struct mlx5_ifc_manage_pages_in_bits { struct mlx5_ifc_mad_ifc_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; u8 response_mad_packet[256][0x8]; }; struct mlx5_ifc_mad_ifc_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 remote_lid[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_50[0x8]; u8 port[0x8]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 mad[256][0x8]; }; struct mlx5_ifc_init_hca_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_init_hca_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_init2rtr_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_init2rtr_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 opt_param_mask[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_5[0x80]; + u8 reserved_at_800[0x80]; }; struct mlx5_ifc_init2init_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_init2init_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 opt_param_mask[0x20]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_5[0x80]; + u8 reserved_at_800[0x80]; }; struct mlx5_ifc_get_dropped_packet_log_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; u8 packet_headers_log[128][0x8]; @@ -4709,1029 +4709,1029 @@ struct mlx5_ifc_get_dropped_packet_log_out_bits { struct mlx5_ifc_get_dropped_packet_log_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_gen_eqe_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x18]; + u8 reserved_at_40[0x18]; u8 eq_number[0x8]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 eqe[64][0x8]; }; struct mlx5_ifc_gen_eq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_enable_hca_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x20]; + u8 reserved_at_40[0x20]; }; struct mlx5_ifc_enable_hca_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_40[0x10]; u8 function_id[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_drain_dct_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_drain_dct_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 dctn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_disable_hca_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x20]; + u8 reserved_at_40[0x20]; }; struct mlx5_ifc_disable_hca_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_40[0x10]; u8 function_id[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_detach_from_mcg_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_detach_from_mcg_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 multicast_gid[16][0x8]; }; struct mlx5_ifc_destroy_xrc_srq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_xrc_srq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 xrc_srqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_tis_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_tis_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 tisn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_tir_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_tir_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 tirn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_srq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_srq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 srqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_sq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_sq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 sqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_rqt_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_rqt_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 rqtn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_rq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_rq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 rqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_rmp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_rmp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 rmpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_psv_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_psv_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 psvn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_mkey_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_mkey_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 mkey_index[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_flow_table_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_flow_table_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x140]; + u8 reserved_at_c0[0x140]; }; struct mlx5_ifc_destroy_flow_group_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_flow_group_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; u8 group_id[0x20]; - u8 reserved_5[0x120]; + u8 reserved_at_e0[0x120]; }; struct mlx5_ifc_destroy_eq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_eq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x18]; + u8 reserved_at_40[0x18]; u8 eq_number[0x8]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_dct_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_dct_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 dctn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_destroy_cq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_destroy_cq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 cqn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_delete_vxlan_udp_dport_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_delete_vxlan_udp_dport_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_40[0x20]; - u8 reserved_3[0x10]; + u8 reserved_at_60[0x10]; u8 vxlan_udp_port[0x10]; }; struct mlx5_ifc_delete_l2_table_entry_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_delete_l2_table_entry_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x60]; + u8 reserved_at_40[0x60]; - u8 reserved_3[0x8]; + u8 reserved_at_a0[0x8]; u8 table_index[0x18]; - u8 reserved_4[0x140]; + u8 reserved_at_c0[0x140]; }; struct mlx5_ifc_delete_fte_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_delete_fte_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x40]; + u8 reserved_at_c0[0x40]; u8 flow_index[0x20]; - u8 reserved_6[0xe0]; + u8 reserved_at_120[0xe0]; }; struct mlx5_ifc_dealloc_xrcd_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_dealloc_xrcd_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 xrcd[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_dealloc_uar_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_dealloc_uar_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 uar[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_dealloc_transport_domain_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_dealloc_transport_domain_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 transport_domain[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_dealloc_q_counter_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_dealloc_q_counter_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x18]; + u8 reserved_at_40[0x18]; u8 counter_set_id[0x8]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_dealloc_pd_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_dealloc_pd_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 pd[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_xrc_srq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 xrc_srqn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_xrc_srq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_xrc_srqc_bits xrc_srq_context_entry; - u8 reserved_3[0x600]; + u8 reserved_at_280[0x600]; u8 pas[0][0x40]; }; struct mlx5_ifc_create_tis_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 tisn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_tis_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_tisc_bits ctx; }; struct mlx5_ifc_create_tir_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 tirn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_tir_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_tirc_bits ctx; }; struct mlx5_ifc_create_srq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 srqn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_srq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_srqc_bits srq_context_entry; - u8 reserved_3[0x600]; + u8 reserved_at_280[0x600]; u8 pas[0][0x40]; }; struct mlx5_ifc_create_sq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 sqn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_sq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_sqc_bits ctx; }; struct mlx5_ifc_create_rqt_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 rqtn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_rqt_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_rqtc_bits rqt_context; }; struct mlx5_ifc_create_rq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 rqn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_rq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_rqc_bits ctx; }; struct mlx5_ifc_create_rmp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 rmpn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_rmp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0xc0]; + u8 reserved_at_40[0xc0]; struct mlx5_ifc_rmpc_bits ctx; }; struct mlx5_ifc_create_qp_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_qp_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 opt_param_mask[0x20]; - u8 reserved_3[0x20]; + u8 reserved_at_a0[0x20]; struct mlx5_ifc_qpc_bits qpc; - u8 reserved_4[0x80]; + u8 reserved_at_800[0x80]; u8 pas[0][0x40]; }; struct mlx5_ifc_create_psv_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; - u8 reserved_2[0x8]; + u8 reserved_at_80[0x8]; u8 psv0_index[0x18]; - u8 reserved_3[0x8]; + u8 reserved_at_a0[0x8]; u8 psv1_index[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_c0[0x8]; u8 psv2_index[0x18]; - u8 reserved_5[0x8]; + u8 reserved_at_e0[0x8]; u8 psv3_index[0x18]; }; struct mlx5_ifc_create_psv_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 num_psv[0x4]; - u8 reserved_2[0x4]; + u8 reserved_at_44[0x4]; u8 pd[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_mkey_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 mkey_index[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_mkey_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_40[0x20]; u8 pg_access[0x1]; - u8 reserved_3[0x1f]; + u8 reserved_at_61[0x1f]; struct mlx5_ifc_mkc_bits memory_key_mkey_entry; - u8 reserved_4[0x80]; + u8 reserved_at_280[0x80]; u8 translations_octword_actual_size[0x20]; - u8 reserved_5[0x560]; + u8 reserved_at_320[0x560]; u8 klm_pas_mtt[0][0x20]; }; struct mlx5_ifc_create_flow_table_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 table_id[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_flow_table_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x20]; + u8 reserved_at_a0[0x20]; - u8 reserved_5[0x4]; + u8 reserved_at_c0[0x4]; u8 table_miss_mode[0x4]; u8 level[0x8]; - u8 reserved_6[0x8]; + u8 reserved_at_d0[0x8]; u8 log_size[0x8]; - u8 reserved_7[0x8]; + u8 reserved_at_e0[0x8]; u8 table_miss_id[0x18]; - u8 reserved_8[0x100]; + u8 reserved_at_100[0x100]; }; struct mlx5_ifc_create_flow_group_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 group_id[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; enum { @@ -5742,134 +5742,134 @@ enum { struct mlx5_ifc_create_flow_group_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x20]; + u8 reserved_at_c0[0x20]; u8 start_flow_index[0x20]; - u8 reserved_6[0x20]; + u8 reserved_at_100[0x20]; u8 end_flow_index[0x20]; - u8 reserved_7[0xa0]; + u8 reserved_at_140[0xa0]; - u8 reserved_8[0x18]; + u8 reserved_at_1e0[0x18]; u8 match_criteria_enable[0x8]; struct mlx5_ifc_fte_match_param_bits match_criteria; - u8 reserved_9[0xe00]; + u8 reserved_at_1200[0xe00]; }; struct mlx5_ifc_create_eq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x18]; + u8 reserved_at_40[0x18]; u8 eq_number[0x8]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_eq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_eqc_bits eq_context_entry; - u8 reserved_3[0x40]; + u8 reserved_at_280[0x40]; u8 event_bitmask[0x40]; - u8 reserved_4[0x580]; + u8 reserved_at_300[0x580]; u8 pas[0][0x40]; }; struct mlx5_ifc_create_dct_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 dctn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_dct_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_dctc_bits dct_context_entry; - u8 reserved_3[0x180]; + u8 reserved_at_280[0x180]; }; struct mlx5_ifc_create_cq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 cqn[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_create_cq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; struct mlx5_ifc_cqc_bits cq_context; - u8 reserved_3[0x600]; + u8 reserved_at_280[0x600]; u8 pas[0][0x40]; }; struct mlx5_ifc_config_int_moderation_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x4]; + u8 reserved_at_40[0x4]; u8 min_delay[0xc]; u8 int_vector[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; enum { @@ -5879,49 +5879,49 @@ enum { struct mlx5_ifc_config_int_moderation_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x4]; + u8 reserved_at_40[0x4]; u8 min_delay[0xc]; u8 int_vector[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_attach_to_mcg_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_attach_to_mcg_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 qpn[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; u8 multicast_gid[16][0x8]; }; struct mlx5_ifc_arm_xrc_srq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; enum { @@ -5930,25 +5930,25 @@ enum { struct mlx5_ifc_arm_xrc_srq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 xrc_srqn[0x18]; - u8 reserved_3[0x10]; + u8 reserved_at_60[0x10]; u8 lwm[0x10]; }; struct mlx5_ifc_arm_rq_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; enum { @@ -5957,179 +5957,179 @@ enum { struct mlx5_ifc_arm_rq_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 srq_number[0x18]; - u8 reserved_3[0x10]; + u8 reserved_at_60[0x10]; u8 lwm[0x10]; }; struct mlx5_ifc_arm_dct_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_arm_dct_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_40[0x8]; u8 dct_number[0x18]; - u8 reserved_3[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_alloc_xrcd_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 xrcd[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_alloc_xrcd_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_alloc_uar_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 uar[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_alloc_uar_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_alloc_transport_domain_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 transport_domain[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_alloc_transport_domain_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_alloc_q_counter_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x18]; + u8 reserved_at_40[0x18]; u8 counter_set_id[0x8]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_alloc_q_counter_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_alloc_pd_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x8]; + u8 reserved_at_40[0x8]; u8 pd[0x18]; - u8 reserved_2[0x20]; + u8 reserved_at_60[0x20]; }; struct mlx5_ifc_alloc_pd_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_add_vxlan_udp_dport_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_add_vxlan_udp_dport_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_40[0x20]; - u8 reserved_3[0x10]; + u8 reserved_at_60[0x10]; u8 vxlan_udp_port[0x10]; }; struct mlx5_ifc_access_register_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; u8 register_data[0][0x20]; }; @@ -6141,12 +6141,12 @@ enum { struct mlx5_ifc_access_register_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_40[0x10]; u8 register_id[0x10]; u8 argument[0x20]; @@ -6159,24 +6159,24 @@ struct mlx5_ifc_sltp_reg_bits { u8 version[0x4]; u8 local_port[0x8]; u8 pnat[0x2]; - u8 reserved_0[0x2]; + u8 reserved_at_12[0x2]; u8 lane[0x4]; - u8 reserved_1[0x8]; + u8 reserved_at_18[0x8]; - u8 reserved_2[0x20]; + u8 reserved_at_20[0x20]; - u8 reserved_3[0x7]; + u8 reserved_at_40[0x7]; u8 polarity[0x1]; u8 ob_tap0[0x8]; u8 ob_tap1[0x8]; u8 ob_tap2[0x8]; - u8 reserved_4[0xc]; + u8 reserved_at_60[0xc]; u8 ob_preemp_mode[0x4]; u8 ob_reg[0x8]; u8 ob_bias[0x8]; - u8 reserved_5[0x20]; + u8 reserved_at_80[0x20]; }; struct mlx5_ifc_slrg_reg_bits { @@ -6184,36 +6184,36 @@ struct mlx5_ifc_slrg_reg_bits { u8 version[0x4]; u8 local_port[0x8]; u8 pnat[0x2]; - u8 reserved_0[0x2]; + u8 reserved_at_12[0x2]; u8 lane[0x4]; - u8 reserved_1[0x8]; + u8 reserved_at_18[0x8]; u8 time_to_link_up[0x10]; - u8 reserved_2[0xc]; + u8 reserved_at_30[0xc]; u8 grade_lane_speed[0x4]; u8 grade_version[0x8]; u8 grade[0x18]; - u8 reserved_3[0x4]; + u8 reserved_at_60[0x4]; u8 height_grade_type[0x4]; u8 height_grade[0x18]; u8 height_dz[0x10]; u8 height_dv[0x10]; - u8 reserved_4[0x10]; + u8 reserved_at_a0[0x10]; u8 height_sigma[0x10]; - u8 reserved_5[0x20]; + u8 reserved_at_c0[0x20]; - u8 reserved_6[0x4]; + u8 reserved_at_e0[0x4]; u8 phase_grade_type[0x4]; u8 phase_grade[0x18]; - u8 reserved_7[0x8]; + u8 reserved_at_100[0x8]; u8 phase_eo_pos[0x8]; - u8 reserved_8[0x8]; + u8 reserved_at_110[0x8]; u8 phase_eo_neg[0x8]; u8 ffe_set_tested[0x10]; @@ -6221,70 +6221,70 @@ struct mlx5_ifc_slrg_reg_bits { }; struct mlx5_ifc_pvlc_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0x1c]; + u8 reserved_at_20[0x1c]; u8 vl_hw_cap[0x4]; - u8 reserved_3[0x1c]; + u8 reserved_at_40[0x1c]; u8 vl_admin[0x4]; - u8 reserved_4[0x1c]; + u8 reserved_at_60[0x1c]; u8 vl_operational[0x4]; }; struct mlx5_ifc_pude_reg_bits { u8 swid[0x8]; u8 local_port[0x8]; - u8 reserved_0[0x4]; + u8 reserved_at_10[0x4]; u8 admin_status[0x4]; - u8 reserved_1[0x4]; + u8 reserved_at_18[0x4]; u8 oper_status[0x4]; - u8 reserved_2[0x60]; + u8 reserved_at_20[0x60]; }; struct mlx5_ifc_ptys_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0xd]; + u8 reserved_at_10[0xd]; u8 proto_mask[0x3]; - u8 reserved_2[0x40]; + u8 reserved_at_20[0x40]; u8 eth_proto_capability[0x20]; u8 ib_link_width_capability[0x10]; u8 ib_proto_capability[0x10]; - u8 reserved_3[0x20]; + u8 reserved_at_a0[0x20]; u8 eth_proto_admin[0x20]; u8 ib_link_width_admin[0x10]; u8 ib_proto_admin[0x10]; - u8 reserved_4[0x20]; + u8 reserved_at_100[0x20]; u8 eth_proto_oper[0x20]; u8 ib_link_width_oper[0x10]; u8 ib_proto_oper[0x10]; - u8 reserved_5[0x20]; + u8 reserved_at_160[0x20]; u8 eth_proto_lp_advertise[0x20]; - u8 reserved_6[0x60]; + u8 reserved_at_1a0[0x60]; }; struct mlx5_ifc_ptas_reg_bits { - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; u8 algorithm_options[0x10]; - u8 reserved_1[0x4]; + u8 reserved_at_30[0x4]; u8 repetitions_mode[0x4]; u8 num_of_repetitions[0x8]; @@ -6310,13 +6310,13 @@ struct mlx5_ifc_ptas_reg_bits { u8 ndeo_error_threshold[0x10]; u8 mixer_offset_step_size[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_110[0x8]; u8 mix90_phase_for_voltage_bath[0x8]; u8 mixer_offset_start[0x10]; u8 mixer_offset_end[0x10]; - u8 reserved_3[0x15]; + u8 reserved_at_140[0x15]; u8 ber_test_time[0xb]; }; @@ -6324,154 +6324,154 @@ struct mlx5_ifc_pspa_reg_bits { u8 swid[0x8]; u8 local_port[0x8]; u8 sub_port[0x8]; - u8 reserved_0[0x8]; + u8 reserved_at_18[0x8]; - u8 reserved_1[0x20]; + u8 reserved_at_20[0x20]; }; struct mlx5_ifc_pqdr_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x5]; + u8 reserved_at_10[0x5]; u8 prio[0x3]; - u8 reserved_2[0x6]; + u8 reserved_at_18[0x6]; u8 mode[0x2]; - u8 reserved_3[0x20]; + u8 reserved_at_20[0x20]; - u8 reserved_4[0x10]; + u8 reserved_at_40[0x10]; u8 min_threshold[0x10]; - u8 reserved_5[0x10]; + u8 reserved_at_60[0x10]; u8 max_threshold[0x10]; - u8 reserved_6[0x10]; + u8 reserved_at_80[0x10]; u8 mark_probability_denominator[0x10]; - u8 reserved_7[0x60]; + u8 reserved_at_a0[0x60]; }; struct mlx5_ifc_ppsc_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0x60]; + u8 reserved_at_20[0x60]; - u8 reserved_3[0x1c]; + u8 reserved_at_80[0x1c]; u8 wrps_admin[0x4]; - u8 reserved_4[0x1c]; + u8 reserved_at_a0[0x1c]; u8 wrps_status[0x4]; - u8 reserved_5[0x8]; + u8 reserved_at_c0[0x8]; u8 up_threshold[0x8]; - u8 reserved_6[0x8]; + u8 reserved_at_d0[0x8]; u8 down_threshold[0x8]; - u8 reserved_7[0x20]; + u8 reserved_at_e0[0x20]; - u8 reserved_8[0x1c]; + u8 reserved_at_100[0x1c]; u8 srps_admin[0x4]; - u8 reserved_9[0x1c]; + u8 reserved_at_120[0x1c]; u8 srps_status[0x4]; - u8 reserved_10[0x40]; + u8 reserved_at_140[0x40]; }; struct mlx5_ifc_pplr_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0x8]; + u8 reserved_at_20[0x8]; u8 lb_cap[0x8]; - u8 reserved_3[0x8]; + u8 reserved_at_30[0x8]; u8 lb_en[0x8]; }; struct mlx5_ifc_pplm_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_20[0x20]; u8 port_profile_mode[0x8]; u8 static_port_profile[0x8]; u8 active_port_profile[0x8]; - u8 reserved_3[0x8]; + u8 reserved_at_58[0x8]; u8 retransmission_active[0x8]; u8 fec_mode_active[0x18]; - u8 reserved_4[0x20]; + u8 reserved_at_80[0x20]; }; struct mlx5_ifc_ppcnt_reg_bits { u8 swid[0x8]; u8 local_port[0x8]; u8 pnat[0x2]; - u8 reserved_0[0x8]; + u8 reserved_at_12[0x8]; u8 grp[0x6]; u8 clr[0x1]; - u8 reserved_1[0x1c]; + u8 reserved_at_21[0x1c]; u8 prio_tc[0x3]; union mlx5_ifc_eth_cntrs_grp_data_layout_auto_bits counter_set; }; struct mlx5_ifc_ppad_reg_bits { - u8 reserved_0[0x3]; + u8 reserved_at_0[0x3]; u8 single_mac[0x1]; - u8 reserved_1[0x4]; + u8 reserved_at_4[0x4]; u8 local_port[0x8]; u8 mac_47_32[0x10]; u8 mac_31_0[0x20]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_pmtu_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; u8 max_mtu[0x10]; - u8 reserved_2[0x10]; + u8 reserved_at_30[0x10]; u8 admin_mtu[0x10]; - u8 reserved_3[0x10]; + u8 reserved_at_50[0x10]; u8 oper_mtu[0x10]; - u8 reserved_4[0x10]; + u8 reserved_at_70[0x10]; }; struct mlx5_ifc_pmpr_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 module[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0x18]; + u8 reserved_at_20[0x18]; u8 attenuation_5g[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_40[0x18]; u8 attenuation_7g[0x8]; - u8 reserved_4[0x18]; + u8 reserved_at_60[0x18]; u8 attenuation_12g[0x8]; }; struct mlx5_ifc_pmpe_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 module[0x8]; - u8 reserved_1[0xc]; + u8 reserved_at_10[0xc]; u8 module_status[0x4]; - u8 reserved_2[0x60]; + u8 reserved_at_20[0x60]; }; struct mlx5_ifc_pmpc_reg_bits { @@ -6479,20 +6479,20 @@ struct mlx5_ifc_pmpc_reg_bits { }; struct mlx5_ifc_pmlpn_reg_bits { - u8 reserved_0[0x4]; + u8 reserved_at_0[0x4]; u8 mlpn_status[0x4]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; u8 e[0x1]; - u8 reserved_2[0x1f]; + u8 reserved_at_21[0x1f]; }; struct mlx5_ifc_pmlp_reg_bits { u8 rxtx[0x1]; - u8 reserved_0[0x7]; + u8 reserved_at_1[0x7]; u8 local_port[0x8]; - u8 reserved_1[0x8]; + u8 reserved_at_10[0x8]; u8 width[0x8]; u8 lane0_module_mapping[0x20]; @@ -6503,36 +6503,36 @@ struct mlx5_ifc_pmlp_reg_bits { u8 lane3_module_mapping[0x20]; - u8 reserved_2[0x160]; + u8 reserved_at_a0[0x160]; }; struct mlx5_ifc_pmaos_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 module[0x8]; - u8 reserved_1[0x4]; + u8 reserved_at_10[0x4]; u8 admin_status[0x4]; - u8 reserved_2[0x4]; + u8 reserved_at_18[0x4]; u8 oper_status[0x4]; u8 ase[0x1]; u8 ee[0x1]; - u8 reserved_3[0x1c]; + u8 reserved_at_22[0x1c]; u8 e[0x2]; - u8 reserved_4[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_plpc_reg_bits { - u8 reserved_0[0x4]; + u8 reserved_at_0[0x4]; u8 profile_id[0xc]; - u8 reserved_1[0x4]; + u8 reserved_at_10[0x4]; u8 proto_mask[0x4]; - u8 reserved_2[0x8]; + u8 reserved_at_18[0x8]; - u8 reserved_3[0x10]; + u8 reserved_at_20[0x10]; u8 lane_speed[0x10]; - u8 reserved_4[0x17]; + u8 reserved_at_40[0x17]; u8 lpbf[0x1]; u8 fec_mode_policy[0x8]; @@ -6545,44 +6545,44 @@ struct mlx5_ifc_plpc_reg_bits { u8 retransmission_request_admin[0x8]; u8 fec_mode_request_admin[0x18]; - u8 reserved_5[0x80]; + u8 reserved_at_c0[0x80]; }; struct mlx5_ifc_plib_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x8]; + u8 reserved_at_10[0x8]; u8 ib_port[0x8]; - u8 reserved_2[0x60]; + u8 reserved_at_20[0x60]; }; struct mlx5_ifc_plbf_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0xd]; + u8 reserved_at_10[0xd]; u8 lbf_mode[0x3]; - u8 reserved_2[0x20]; + u8 reserved_at_20[0x20]; }; struct mlx5_ifc_pipg_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; u8 dic[0x1]; - u8 reserved_2[0x19]; + u8 reserved_at_21[0x19]; u8 ipg[0x4]; - u8 reserved_3[0x2]; + u8 reserved_at_3e[0x2]; }; struct mlx5_ifc_pifr_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0xe0]; + u8 reserved_at_20[0xe0]; u8 port_filter[8][0x20]; @@ -6590,36 +6590,36 @@ struct mlx5_ifc_pifr_reg_bits { }; struct mlx5_ifc_pfcc_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; u8 ppan[0x4]; - u8 reserved_2[0x4]; + u8 reserved_at_24[0x4]; u8 prio_mask_tx[0x8]; - u8 reserved_3[0x8]; + u8 reserved_at_30[0x8]; u8 prio_mask_rx[0x8]; u8 pptx[0x1]; u8 aptx[0x1]; - u8 reserved_4[0x6]; + u8 reserved_at_42[0x6]; u8 pfctx[0x8]; - u8 reserved_5[0x10]; + u8 reserved_at_50[0x10]; u8 pprx[0x1]; u8 aprx[0x1]; - u8 reserved_6[0x6]; + u8 reserved_at_62[0x6]; u8 pfcrx[0x8]; - u8 reserved_7[0x10]; + u8 reserved_at_70[0x10]; - u8 reserved_8[0x80]; + u8 reserved_at_80[0x80]; }; struct mlx5_ifc_pelc_reg_bits { u8 op[0x4]; - u8 reserved_0[0x4]; + u8 reserved_at_4[0x4]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; u8 op_admin[0x8]; u8 op_capability[0x8]; @@ -6634,28 +6634,28 @@ struct mlx5_ifc_pelc_reg_bits { u8 active[0x40]; - u8 reserved_2[0x80]; + u8 reserved_at_140[0x80]; }; struct mlx5_ifc_peir_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_2[0xc]; + u8 reserved_at_20[0xc]; u8 error_count[0x4]; - u8 reserved_3[0x10]; + u8 reserved_at_30[0x10]; - u8 reserved_4[0xc]; + u8 reserved_at_40[0xc]; u8 lane[0x4]; - u8 reserved_5[0x8]; + u8 reserved_at_50[0x8]; u8 error_type[0x8]; }; struct mlx5_ifc_pcap_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_1[0x10]; + u8 reserved_at_10[0x10]; u8 port_capability_mask[4][0x20]; }; @@ -6663,46 +6663,46 @@ struct mlx5_ifc_pcap_reg_bits { struct mlx5_ifc_paos_reg_bits { u8 swid[0x8]; u8 local_port[0x8]; - u8 reserved_0[0x4]; + u8 reserved_at_10[0x4]; u8 admin_status[0x4]; - u8 reserved_1[0x4]; + u8 reserved_at_18[0x4]; u8 oper_status[0x4]; u8 ase[0x1]; u8 ee[0x1]; - u8 reserved_2[0x1c]; + u8 reserved_at_22[0x1c]; u8 e[0x2]; - u8 reserved_3[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_pamp_reg_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 opamp_group[0x8]; - u8 reserved_1[0xc]; + u8 reserved_at_10[0xc]; u8 opamp_group_type[0x4]; u8 start_index[0x10]; - u8 reserved_2[0x4]; + u8 reserved_at_30[0x4]; u8 num_of_indices[0xc]; u8 index_data[18][0x10]; }; struct mlx5_ifc_lane_2_module_mapping_bits { - u8 reserved_0[0x6]; + u8 reserved_at_0[0x6]; u8 rx_lane[0x2]; - u8 reserved_1[0x6]; + u8 reserved_at_8[0x6]; u8 tx_lane[0x2]; - u8 reserved_2[0x8]; + u8 reserved_at_10[0x8]; u8 module[0x8]; }; struct mlx5_ifc_bufferx_reg_bits { - u8 reserved_0[0x6]; + u8 reserved_at_0[0x6]; u8 lossy[0x1]; u8 epsb[0x1]; - u8 reserved_1[0xc]; + u8 reserved_at_8[0xc]; u8 size[0xc]; u8 xoff_threshold[0x10]; @@ -6714,21 +6714,21 @@ struct mlx5_ifc_set_node_in_bits { }; struct mlx5_ifc_register_power_settings_bits { - u8 reserved_0[0x18]; + u8 reserved_at_0[0x18]; u8 power_settings_level[0x8]; - u8 reserved_1[0x60]; + u8 reserved_at_20[0x60]; }; struct mlx5_ifc_register_host_endianness_bits { u8 he[0x1]; - u8 reserved_0[0x1f]; + u8 reserved_at_1[0x1f]; - u8 reserved_1[0x60]; + u8 reserved_at_20[0x60]; }; struct mlx5_ifc_umr_pointer_desc_argument_bits { - u8 reserved_0[0x20]; + u8 reserved_at_0[0x20]; u8 mkey[0x20]; @@ -6741,7 +6741,7 @@ struct mlx5_ifc_ud_adrs_vector_bits { u8 dc_key[0x40]; u8 ext[0x1]; - u8 reserved_0[0x7]; + u8 reserved_at_41[0x7]; u8 destination_qp_dct[0x18]; u8 static_rate[0x4]; @@ -6750,7 +6750,7 @@ struct mlx5_ifc_ud_adrs_vector_bits { u8 mlid[0x7]; u8 rlid_udp_sport[0x10]; - u8 reserved_1[0x20]; + u8 reserved_at_80[0x20]; u8 rmac_47_16[0x20]; @@ -6758,9 +6758,9 @@ struct mlx5_ifc_ud_adrs_vector_bits { u8 tclass[0x8]; u8 hop_limit[0x8]; - u8 reserved_2[0x1]; + u8 reserved_at_e0[0x1]; u8 grh[0x1]; - u8 reserved_3[0x2]; + u8 reserved_at_e2[0x2]; u8 src_addr_index[0x8]; u8 flow_label[0x14]; @@ -6768,27 +6768,27 @@ struct mlx5_ifc_ud_adrs_vector_bits { }; struct mlx5_ifc_pages_req_event_bits { - u8 reserved_0[0x10]; + u8 reserved_at_0[0x10]; u8 function_id[0x10]; u8 num_pages[0x20]; - u8 reserved_1[0xa0]; + u8 reserved_at_40[0xa0]; }; struct mlx5_ifc_eqe_bits { - u8 reserved_0[0x8]; + u8 reserved_at_0[0x8]; u8 event_type[0x8]; - u8 reserved_1[0x8]; + u8 reserved_at_10[0x8]; u8 event_sub_type[0x8]; - u8 reserved_2[0xe0]; + u8 reserved_at_20[0xe0]; union mlx5_ifc_event_auto_bits event_data; - u8 reserved_3[0x10]; + u8 reserved_at_1e0[0x10]; u8 signature[0x8]; - u8 reserved_4[0x7]; + u8 reserved_at_1f8[0x7]; u8 owner[0x1]; }; @@ -6798,14 +6798,14 @@ enum { struct mlx5_ifc_cmd_queue_entry_bits { u8 type[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 input_length[0x20]; u8 input_mailbox_pointer_63_32[0x20]; u8 input_mailbox_pointer_31_9[0x17]; - u8 reserved_1[0x9]; + u8 reserved_at_77[0x9]; u8 command_input_inline_data[16][0x8]; @@ -6814,20 +6814,20 @@ struct mlx5_ifc_cmd_queue_entry_bits { u8 output_mailbox_pointer_63_32[0x20]; u8 output_mailbox_pointer_31_9[0x17]; - u8 reserved_2[0x9]; + u8 reserved_at_1b7[0x9]; u8 output_length[0x20]; u8 token[0x8]; u8 signature[0x8]; - u8 reserved_3[0x8]; + u8 reserved_at_1f0[0x8]; u8 status[0x7]; u8 ownership[0x1]; }; struct mlx5_ifc_cmd_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; @@ -6836,9 +6836,9 @@ struct mlx5_ifc_cmd_out_bits { struct mlx5_ifc_cmd_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; u8 command[0][0x20]; @@ -6847,16 +6847,16 @@ struct mlx5_ifc_cmd_in_bits { struct mlx5_ifc_cmd_if_box_bits { u8 mailbox_data[512][0x8]; - u8 reserved_0[0x180]; + u8 reserved_at_1000[0x180]; u8 next_pointer_63_32[0x20]; u8 next_pointer_31_10[0x16]; - u8 reserved_1[0xa]; + u8 reserved_at_11b6[0xa]; u8 block_number[0x20]; - u8 reserved_2[0x8]; + u8 reserved_at_11e0[0x8]; u8 token[0x8]; u8 ctrl_signature[0x8]; u8 signature[0x8]; @@ -6866,7 +6866,7 @@ struct mlx5_ifc_mtt_bits { u8 ptag_63_32[0x20]; u8 ptag_31_8[0x18]; - u8 reserved_0[0x6]; + u8 reserved_at_38[0x6]; u8 wr_en[0x1]; u8 rd_en[0x1]; }; @@ -6904,38 +6904,38 @@ struct mlx5_ifc_initial_seg_bits { u8 cmd_interface_rev[0x10]; u8 fw_rev_subminor[0x10]; - u8 reserved_0[0x40]; + u8 reserved_at_40[0x40]; u8 cmdq_phy_addr_63_32[0x20]; u8 cmdq_phy_addr_31_12[0x14]; - u8 reserved_1[0x2]; + u8 reserved_at_b4[0x2]; u8 nic_interface[0x2]; u8 log_cmdq_size[0x4]; u8 log_cmdq_stride[0x4]; u8 command_doorbell_vector[0x20]; - u8 reserved_2[0xf00]; + u8 reserved_at_e0[0xf00]; u8 initializing[0x1]; - u8 reserved_3[0x4]; + u8 reserved_at_fe1[0x4]; u8 nic_interface_supported[0x3]; - u8 reserved_4[0x18]; + u8 reserved_at_fe8[0x18]; struct mlx5_ifc_health_buffer_bits health_buffer; u8 no_dram_nic_offset[0x20]; - u8 reserved_5[0x6e40]; + u8 reserved_at_1220[0x6e40]; - u8 reserved_6[0x1f]; + u8 reserved_at_8060[0x1f]; u8 clear_int[0x1]; u8 health_syndrome[0x8]; u8 health_counter[0x18]; - u8 reserved_7[0x17fc0]; + u8 reserved_at_80a0[0x17fc0]; }; union mlx5_ifc_ports_control_registers_document_bits { @@ -6980,44 +6980,44 @@ union mlx5_ifc_ports_control_registers_document_bits { struct mlx5_ifc_pvlc_reg_bits pvlc_reg; struct mlx5_ifc_slrg_reg_bits slrg_reg; struct mlx5_ifc_sltp_reg_bits sltp_reg; - u8 reserved_0[0x60e0]; + u8 reserved_at_0[0x60e0]; }; union mlx5_ifc_debug_enhancements_document_bits { struct mlx5_ifc_health_buffer_bits health_buffer; - u8 reserved_0[0x200]; + u8 reserved_at_0[0x200]; }; union mlx5_ifc_uplink_pci_interface_document_bits { struct mlx5_ifc_initial_seg_bits initial_seg; - u8 reserved_0[0x20060]; + u8 reserved_at_0[0x20060]; }; struct mlx5_ifc_set_flow_table_root_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_set_flow_table_root_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x40]; + u8 reserved_at_40[0x40]; u8 table_type[0x8]; - u8 reserved_3[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_4[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x140]; + u8 reserved_at_c0[0x140]; }; enum { @@ -7026,39 +7026,39 @@ enum { struct mlx5_ifc_modify_flow_table_out_bits { u8 status[0x8]; - u8 reserved_0[0x18]; + u8 reserved_at_8[0x18]; u8 syndrome[0x20]; - u8 reserved_1[0x40]; + u8 reserved_at_40[0x40]; }; struct mlx5_ifc_modify_flow_table_in_bits { u8 opcode[0x10]; - u8 reserved_0[0x10]; + u8 reserved_at_10[0x10]; - u8 reserved_1[0x10]; + u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_2[0x20]; + u8 reserved_at_40[0x20]; - u8 reserved_3[0x10]; + u8 reserved_at_60[0x10]; u8 modify_field_select[0x10]; u8 table_type[0x8]; - u8 reserved_4[0x18]; + u8 reserved_at_88[0x18]; - u8 reserved_5[0x8]; + u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_6[0x4]; + u8 reserved_at_c0[0x4]; u8 table_miss_mode[0x4]; - u8 reserved_7[0x18]; + u8 reserved_at_c8[0x18]; - u8 reserved_8[0x8]; + u8 reserved_at_e0[0x8]; u8 table_miss_id[0x18]; - u8 reserved_9[0x100]; + u8 reserved_at_100[0x100]; }; #endif /* MLX5_IFC_H */ diff --git a/include/linux/mm.h b/include/linux/mm.h index f1cd22f2df1a..516e14944339 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -201,11 +201,13 @@ extern unsigned int kobjsize(const void *objp); #endif #ifdef CONFIG_STACK_GROWSUP -#define VM_STACK_FLAGS (VM_GROWSUP | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT) +#define VM_STACK VM_GROWSUP #else -#define VM_STACK_FLAGS (VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT) +#define VM_STACK VM_GROWSDOWN #endif +#define VM_STACK_FLAGS (VM_STACK | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT) + /* * Special vmas that are non-mergable, non-mlock()able. * Note: mm/huge_memory.c VM_NO_THP depends on this definition. @@ -1341,8 +1343,7 @@ static inline int stack_guard_page_end(struct vm_area_struct *vma, !vma_growsup(vma->vm_next, addr); } -extern struct task_struct *task_of_stack(struct task_struct *task, - struct vm_area_struct *vma, bool in_group); +int vma_is_stack_for_task(struct vm_area_struct *vma, struct task_struct *t); extern unsigned long move_page_tables(struct vm_area_struct *vma, unsigned long old_addr, struct vm_area_struct *new_vma, diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index d3ebb9d21a53..624b78b848b8 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -424,9 +424,9 @@ struct mm_struct { unsigned long total_vm; /* Total pages mapped */ unsigned long locked_vm; /* Pages that have PG_mlocked set */ unsigned long pinned_vm; /* Refcount permanently increased */ - unsigned long data_vm; /* VM_WRITE & ~VM_SHARED/GROWSDOWN */ - unsigned long exec_vm; /* VM_EXEC & ~VM_WRITE */ - unsigned long stack_vm; /* VM_GROWSUP/DOWN */ + unsigned long data_vm; /* VM_WRITE & ~VM_SHARED & ~VM_STACK */ + unsigned long exec_vm; /* VM_EXEC & ~VM_WRITE & ~VM_STACK */ + unsigned long stack_vm; /* VM_STACK */ unsigned long def_flags; unsigned long start_code, end_code, start_data, end_data; unsigned long start_brk, brk, start_stack; diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 33bb1b19273e..7b6c2cfee390 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -682,6 +682,12 @@ typedef struct pglist_data { */ unsigned long first_deferred_pfn; #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ + +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + spinlock_t split_queue_lock; + struct list_head split_queue; + unsigned long split_queue_len; +#endif } pg_data_t; #define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages) diff --git a/include/linux/module.h b/include/linux/module.h index 4560d8f1545d..2bb0c3085706 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -324,6 +324,12 @@ struct module_layout { #define __module_layout_align #endif +struct mod_kallsyms { + Elf_Sym *symtab; + unsigned int num_symtab; + char *strtab; +}; + struct module { enum module_state state; @@ -405,15 +411,10 @@ struct module { #endif #ifdef CONFIG_KALLSYMS - /* - * We keep the symbol and string tables for kallsyms. - * The core_* fields below are temporary, loader-only (they - * could really be discarded after module init). - */ - Elf_Sym *symtab, *core_symtab; - unsigned int num_symtab, core_num_syms; - char *strtab, *core_strtab; - + /* Protected by RCU and/or module_mutex: use rcu_dereference() */ + struct mod_kallsyms *kallsyms; + struct mod_kallsyms core_kallsyms; + /* Section attributes */ struct module_sect_attrs *sect_attrs; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5ac140dcb789..5440b7b705eb 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -512,7 +512,6 @@ static inline void napi_enable(struct napi_struct *n) clear_bit(NAPI_STATE_NPSVC, &n->state); } -#ifdef CONFIG_SMP /** * napi_synchronize - wait until NAPI is not running * @n: napi context @@ -523,12 +522,12 @@ static inline void napi_enable(struct napi_struct *n) */ static inline void napi_synchronize(const struct napi_struct *n) { - while (test_bit(NAPI_STATE_SCHED, &n->state)) - msleep(1); + if (IS_ENABLED(CONFIG_SMP)) + while (test_bit(NAPI_STATE_SCHED, &n->state)) + msleep(1); + else + barrier(); } -#else -# define napi_synchronize(n) barrier() -#endif enum netdev_queue_state_t { __QUEUE_STATE_DRV_XOFF, @@ -3719,7 +3718,7 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev, void *netdev_lower_get_next(struct net_device *dev, struct list_head **iter); #define netdev_for_each_lower_dev(dev, ldev, iter) \ - for (iter = &(dev)->adj_list.lower, \ + for (iter = (dev)->adj_list.lower.next, \ ldev = netdev_lower_get_next(dev, &(iter)); \ ldev; \ ldev = netdev_lower_get_next(dev, &(iter))) diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 48e0320cd643..67300f8e5f2f 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -550,9 +550,7 @@ extern int nfs_readpage_async(struct nfs_open_context *, struct inode *, static inline loff_t nfs_size_to_loff_t(__u64 size) { - if (size > (__u64) OFFSET_MAX - 1) - return OFFSET_MAX - 1; - return (loff_t) size; + return min_t(u64, size, OFFSET_MAX); } static inline ino_t diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 791098a08a87..d320906cf13e 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -275,6 +275,7 @@ struct nfs4_layoutcommit_args { size_t layoutupdate_len; struct page *layoutupdate_page; struct page **layoutupdate_pages; + __be32 *start_p; }; struct nfs4_layoutcommit_res { diff --git a/include/linux/of.h b/include/linux/of.h index dd10626a615f..dc6e39696b64 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -929,7 +929,7 @@ static inline int of_get_available_child_count(const struct device_node *np) return num; } -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && !defined(MODULE) #define _OF_DECLARE(table, name, compat, fn, fn_type) \ static const struct of_device_id __of_table_##name \ __used __section(__##table##_of_table) \ diff --git a/include/linux/pci.h b/include/linux/pci.h index 27df4a6585da..27716254dcc5 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -988,23 +988,6 @@ static inline int pci_is_managed(struct pci_dev *pdev) return pdev->is_managed; } -static inline void pci_set_managed_irq(struct pci_dev *pdev, unsigned int irq) -{ - pdev->irq = irq; - pdev->irq_managed = 1; -} - -static inline void pci_reset_managed_irq(struct pci_dev *pdev) -{ - pdev->irq = 0; - pdev->irq_managed = 0; -} - -static inline bool pci_has_managed_irq(struct pci_dev *pdev) -{ - return pdev->irq_managed && pdev->irq > 0; -} - void pci_disable_device(struct pci_dev *dev); extern unsigned int pcibios_max_latency; diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index b35a61a481fa..f5c5a3fa2c81 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -397,6 +397,7 @@ struct pmu { * enum perf_event_active_state - the states of a event */ enum perf_event_active_state { + PERF_EVENT_STATE_DEAD = -4, PERF_EVENT_STATE_EXIT = -3, PERF_EVENT_STATE_ERROR = -2, PERF_EVENT_STATE_OFF = -1, @@ -905,7 +906,7 @@ perf_sw_event_sched(u32 event_id, u64 nr, u64 addr) } } -extern struct static_key_deferred perf_sched_events; +extern struct static_key_false perf_sched_events; static __always_inline bool perf_sw_migrate_enabled(void) @@ -924,7 +925,7 @@ static inline void perf_event_task_migrate(struct task_struct *task) static inline void perf_event_task_sched_in(struct task_struct *prev, struct task_struct *task) { - if (static_key_false(&perf_sched_events.key)) + if (static_branch_unlikely(&perf_sched_events)) __perf_event_task_sched_in(prev, task); if (perf_sw_migrate_enabled() && task->sched_migrated) { @@ -941,7 +942,7 @@ static inline void perf_event_task_sched_out(struct task_struct *prev, { perf_sw_event_sched(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 0); - if (static_key_false(&perf_sched_events.key)) + if (static_branch_unlikely(&perf_sched_events)) __perf_event_task_sched_out(prev, next); } diff --git a/include/linux/pfn.h b/include/linux/pfn.h index 2d8e49711b63..1132953235c0 100644 --- a/include/linux/pfn.h +++ b/include/linux/pfn.h @@ -10,7 +10,7 @@ * backing is indicated by flags in the high bits of the value. */ typedef struct { - unsigned long val; + u64 val; } pfn_t; #endif diff --git a/include/linux/pfn_t.h b/include/linux/pfn_t.h index 0703b5360d31..94994810c7c0 100644 --- a/include/linux/pfn_t.h +++ b/include/linux/pfn_t.h @@ -9,14 +9,13 @@ * PFN_DEV - pfn is not covered by system memmap by default * PFN_MAP - pfn has a dynamic page mapping established by a device driver */ -#define PFN_FLAGS_MASK (((unsigned long) ~PAGE_MASK) \ - << (BITS_PER_LONG - PAGE_SHIFT)) -#define PFN_SG_CHAIN (1UL << (BITS_PER_LONG - 1)) -#define PFN_SG_LAST (1UL << (BITS_PER_LONG - 2)) -#define PFN_DEV (1UL << (BITS_PER_LONG - 3)) -#define PFN_MAP (1UL << (BITS_PER_LONG - 4)) - -static inline pfn_t __pfn_to_pfn_t(unsigned long pfn, unsigned long flags) +#define PFN_FLAGS_MASK (((u64) ~PAGE_MASK) << (BITS_PER_LONG_LONG - PAGE_SHIFT)) +#define PFN_SG_CHAIN (1ULL << (BITS_PER_LONG_LONG - 1)) +#define PFN_SG_LAST (1ULL << (BITS_PER_LONG_LONG - 2)) +#define PFN_DEV (1ULL << (BITS_PER_LONG_LONG - 3)) +#define PFN_MAP (1ULL << (BITS_PER_LONG_LONG - 4)) + +static inline pfn_t __pfn_to_pfn_t(unsigned long pfn, u64 flags) { pfn_t pfn_t = { .val = pfn | (flags & PFN_FLAGS_MASK), }; @@ -29,7 +28,7 @@ static inline pfn_t pfn_to_pfn_t(unsigned long pfn) return __pfn_to_pfn_t(pfn, 0); } -extern pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags); +extern pfn_t phys_to_pfn_t(phys_addr_t addr, u64 flags); static inline bool pfn_t_has_page(pfn_t pfn) { @@ -48,7 +47,7 @@ static inline struct page *pfn_t_to_page(pfn_t pfn) return NULL; } -static inline dma_addr_t pfn_t_to_phys(pfn_t pfn) +static inline phys_addr_t pfn_t_to_phys(pfn_t pfn) { return PFN_PHYS(pfn_t_to_pfn(pfn)); } @@ -87,7 +86,7 @@ static inline pmd_t pfn_t_pmd(pfn_t pfn, pgprot_t pgprot) #ifdef __HAVE_ARCH_PTE_DEVMAP static inline bool pfn_t_devmap(pfn_t pfn) { - const unsigned long flags = PFN_DEV|PFN_MAP; + const u64 flags = PFN_DEV|PFN_MAP; return (pfn.val & flags) == flags; } diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h index 998d8f1c3c91..b50c0492629d 100644 --- a/include/linux/power/bq27xxx_battery.h +++ b/include/linux/power/bq27xxx_battery.h @@ -49,6 +49,7 @@ struct bq27xxx_reg_cache { struct bq27xxx_device_info { struct device *dev; + int id; enum bq27xxx_chip chip; const char *name; struct bq27xxx_access_methods bus; diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index 7c88ad156a29..f54be7082207 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -379,12 +379,28 @@ void **radix_tree_next_chunk(struct radix_tree_root *root, struct radix_tree_iter *iter, unsigned flags); /** + * radix_tree_iter_retry - retry this chunk of the iteration + * @iter: iterator state + * + * If we iterate over a tree protected only by the RCU lock, a race + * against deletion or creation may result in seeing a slot for which + * radix_tree_deref_retry() returns true. If so, call this function + * and continue the iteration. + */ +static inline __must_check +void **radix_tree_iter_retry(struct radix_tree_iter *iter) +{ + iter->next_index = iter->index; + return NULL; +} + +/** * radix_tree_chunk_size - get current chunk size * * @iter: pointer to radix tree iterator * Returns: current chunk size */ -static __always_inline unsigned +static __always_inline long radix_tree_chunk_size(struct radix_tree_iter *iter) { return iter->next_index - iter->index; @@ -418,9 +434,9 @@ radix_tree_next_slot(void **slot, struct radix_tree_iter *iter, unsigned flags) return slot + offset + 1; } } else { - unsigned size = radix_tree_chunk_size(iter) - 1; + long size = radix_tree_chunk_size(iter); - while (size--) { + while (--size > 0) { slot++; iter->index++; if (likely(*slot)) diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index a7a06d1dcf9c..a0118d5929a9 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -152,6 +152,8 @@ void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, # define jiffies raid6_jiffies() # define printk printf +# define pr_err(format, ...) fprintf(stderr, format, ## __VA_ARGS__) +# define pr_info(format, ...) fprintf(stdout, format, ## __VA_ARGS__) # define GFP_KERNEL 0 # define __get_free_pages(x, y) ((unsigned long)mmap(NULL, PAGE_SIZE << (y), \ PROT_READ|PROT_WRITE, \ diff --git a/include/linux/random.h b/include/linux/random.h index a75840c1aa71..9c29122037f9 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -34,6 +34,7 @@ extern const struct file_operations random_fops, urandom_fops; #endif unsigned int get_random_int(void); +unsigned long get_random_long(void); unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len); u32 prandom_u32(void); diff --git a/include/linux/rmap.h b/include/linux/rmap.h index bdf597c4f0be..a07f42bedda3 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -109,20 +109,6 @@ static inline void put_anon_vma(struct anon_vma *anon_vma) __put_anon_vma(anon_vma); } -static inline void vma_lock_anon_vma(struct vm_area_struct *vma) -{ - struct anon_vma *anon_vma = vma->anon_vma; - if (anon_vma) - down_write(&anon_vma->root->rwsem); -} - -static inline void vma_unlock_anon_vma(struct vm_area_struct *vma) -{ - struct anon_vma *anon_vma = vma->anon_vma; - if (anon_vma) - up_write(&anon_vma->root->rwsem); -} - static inline void anon_vma_lock_write(struct anon_vma *anon_vma) { down_write(&anon_vma->root->rwsem); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 11f935c1a090..4ce9ff7086f4 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -299,6 +299,7 @@ struct sk_buff; #else #define MAX_SKB_FRAGS (65536/PAGE_SIZE + 1) #endif +extern int sysctl_max_skb_frags; typedef struct skb_frag_struct skb_frag_t; diff --git a/include/linux/soc/ti/knav_dma.h b/include/linux/soc/ti/knav_dma.h index 343c13ac4f71..35cb9264e0d5 100644 --- a/include/linux/soc/ti/knav_dma.h +++ b/include/linux/soc/ti/knav_dma.h @@ -44,6 +44,7 @@ #define KNAV_DMA_NUM_EPIB_WORDS 4 #define KNAV_DMA_NUM_PS_WORDS 16 +#define KNAV_DMA_NUM_SW_DATA_WORDS 4 #define KNAV_DMA_FDQ_PER_CHAN 4 /* Tx channel scheduling priority */ @@ -142,6 +143,7 @@ struct knav_dma_cfg { * @orig_buff: buff pointer since 'buff' can be overwritten * @epib: Extended packet info block * @psdata: Protocol specific + * @sw_data: Software private data not touched by h/w */ struct knav_dma_desc { __le32 desc_info; @@ -154,7 +156,7 @@ struct knav_dma_desc { __le32 orig_buff; __le32 epib[KNAV_DMA_NUM_EPIB_WORDS]; __le32 psdata[KNAV_DMA_NUM_PS_WORDS]; - __le32 pad[4]; + u32 sw_data[KNAV_DMA_NUM_SW_DATA_WORDS]; } ____cacheline_aligned; #if IS_ENABLED(CONFIG_KEYSTONE_NAVIGATOR_DMA) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 429fdfc3baf5..925730bc9fc1 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -568,6 +568,8 @@ enum { FILTER_DYN_STRING, FILTER_PTR_STRING, FILTER_TRACE_FN, + FILTER_COMM, + FILTER_CPU, }; extern int trace_event_raw_init(struct trace_event_call *call); diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index acd522a91539..acfdbf353a0b 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -14,8 +14,10 @@ * See the file COPYING for more details. */ +#include <linux/smp.h> #include <linux/errno.h> #include <linux/types.h> +#include <linux/cpumask.h> #include <linux/rcupdate.h> #include <linux/tracepoint-defs.h> @@ -132,6 +134,9 @@ extern void syscall_unregfunc(void); void *it_func; \ void *__data; \ \ + if (!cpu_online(raw_smp_processor_id())) \ + return; \ + \ if (!(cond)) \ return; \ prercu; \ diff --git a/include/linux/ucs2_string.h b/include/linux/ucs2_string.h index cbb20afdbc01..bb679b48f408 100644 --- a/include/linux/ucs2_string.h +++ b/include/linux/ucs2_string.h @@ -11,4 +11,8 @@ unsigned long ucs2_strlen(const ucs2_char_t *s); unsigned long ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength); int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len); +unsigned long ucs2_utf8size(const ucs2_char_t *src); +unsigned long ucs2_as_utf8(u8 *dest, const ucs2_char_t *src, + unsigned long maxlength); + #endif /* _LINUX_UCS2_STRING_H_ */ diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 0e32bc71245e..ca73c503b92a 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -311,6 +311,7 @@ enum { __WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */ __WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */ + __WQ_LEGACY = 1 << 18, /* internal: create*_workqueue() */ WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */ WQ_MAX_UNBOUND_PER_CPU = 4, /* 4 * #cpus for unbound wq */ @@ -411,12 +412,12 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | (flags), 1, ##args) #define create_workqueue(name) \ - alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, (name)) + alloc_workqueue("%s", __WQ_LEGACY | WQ_MEM_RECLAIM, 1, (name)) #define create_freezable_workqueue(name) \ - alloc_workqueue("%s", WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, \ - 1, (name)) + alloc_workqueue("%s", __WQ_LEGACY | WQ_FREEZABLE | WQ_UNBOUND | \ + WQ_MEM_RECLAIM, 1, (name)) #define create_singlethread_workqueue(name) \ - alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, name) + alloc_ordered_workqueue("%s", __WQ_LEGACY | WQ_MEM_RECLAIM, name) extern void destroy_workqueue(struct workqueue_struct *wq); diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index ef03ae56b1c1..8a0f55b6c2ba 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -533,7 +533,8 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, const unsigned int requested_sizes[]); int vb2_core_prepare_buf(struct vb2_queue *q, unsigned int index, void *pb); int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb); -int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking); +int vb2_core_dqbuf(struct vb2_queue *q, unsigned int *pindex, void *pb, + bool nonblocking); int vb2_core_streamon(struct vb2_queue *q, unsigned int type); int vb2_core_streamoff(struct vb2_queue *q, unsigned int type); diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 2a91a0561a47..9b4c418bebd8 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -6,8 +6,8 @@ #include <linux/mutex.h> #include <net/sock.h> -void unix_inflight(struct file *fp); -void unix_notinflight(struct file *fp); +void unix_inflight(struct user_struct *user, struct file *fp); +void unix_notinflight(struct user_struct *user, struct file *fp); void unix_gc(void); void wait_for_unix_gc(void); struct sock *unix_get_socket(struct file *filp); diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 52899291f401..5ee3c689c863 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -252,6 +252,12 @@ struct l2cap_conn_rsp { #define L2CAP_PSM_3DSP 0x0021 #define L2CAP_PSM_IPSP 0x0023 /* 6LoWPAN */ +#define L2CAP_PSM_DYN_START 0x1001 +#define L2CAP_PSM_DYN_END 0xffff +#define L2CAP_PSM_AUTO_END 0x10ff +#define L2CAP_PSM_LE_DYN_START 0x0080 +#define L2CAP_PSM_LE_DYN_END 0x00ff + /* channel identifier */ #define L2CAP_CID_SIGNALING 0x0001 #define L2CAP_CID_CONN_LESS 0x0002 diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h index 6816f0fa5693..30a56ab2ccfb 100644 --- a/include/net/dst_metadata.h +++ b/include/net/dst_metadata.h @@ -44,6 +44,24 @@ static inline bool skb_valid_dst(const struct sk_buff *skb) return dst && !(dst->flags & DST_METADATA); } +static inline int skb_metadata_dst_cmp(const struct sk_buff *skb_a, + const struct sk_buff *skb_b) +{ + const struct metadata_dst *a, *b; + + if (!(skb_a->_skb_refdst | skb_b->_skb_refdst)) + return 0; + + a = (const struct metadata_dst *) skb_dst(skb_a); + b = (const struct metadata_dst *) skb_dst(skb_b); + + if (!a != !b || a->u.tun_info.options_len != b->u.tun_info.options_len) + return 1; + + return memcmp(&a->u.tun_info, &b->u.tun_info, + sizeof(a->u.tun_info) + a->u.tun_info.options_len); +} + struct metadata_dst *metadata_dst_alloc(u8 optslen, gfp_t flags); struct metadata_dst __percpu *metadata_dst_alloc_percpu(u8 optslen, gfp_t flags); diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 481fe1c9044c..49dcad4fe99e 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -270,8 +270,9 @@ struct dst_entry *inet_csk_route_child_sock(const struct sock *sk, struct sock *newsk, const struct request_sock *req); -void inet_csk_reqsk_queue_add(struct sock *sk, struct request_sock *req, - struct sock *child); +struct sock *inet_csk_reqsk_queue_add(struct sock *sk, + struct request_sock *req, + struct sock *child); void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req, unsigned long timeout); struct sock *inet_csk_complete_hashdance(struct sock *sk, struct sock *child, diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 877f682989b8..295d291269e2 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -64,8 +64,16 @@ static inline bool rt6_need_strict(const struct in6_addr *daddr) void ip6_route_input(struct sk_buff *skb); -struct dst_entry *ip6_route_output(struct net *net, const struct sock *sk, - struct flowi6 *fl6); +struct dst_entry *ip6_route_output_flags(struct net *net, const struct sock *sk, + struct flowi6 *fl6, int flags); + +static inline struct dst_entry *ip6_route_output(struct net *net, + const struct sock *sk, + struct flowi6 *fl6) +{ + return ip6_route_output_flags(net, sk, fl6, 0); +} + struct dst_entry *ip6_route_lookup(struct net *net, struct flowi6 *fl6, int flags); diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 7029527725dd..4079fc18ffe4 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -61,6 +61,7 @@ struct fib_nh_exception { struct rtable __rcu *fnhe_rth_input; struct rtable __rcu *fnhe_rth_output; unsigned long fnhe_stamp; + struct rcu_head rcu; }; struct fnhe_hash_bucket { diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 6db96ea0144f..dda9abf6b89c 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -230,6 +230,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd); int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, u8 *protocol, struct flowi4 *fl4); +int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict); int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu); struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev, diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h index 788ef58a66b9..62e17d1319ff 100644 --- a/include/net/netfilter/nf_conntrack_core.h +++ b/include/net/netfilter/nf_conntrack_core.h @@ -79,12 +79,10 @@ print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple, const struct nf_conntrack_l3proto *l3proto, const struct nf_conntrack_l4proto *proto); -#ifdef CONFIG_LOCKDEP -# define CONNTRACK_LOCKS 8 -#else -# define CONNTRACK_LOCKS 1024 -#endif +#define CONNTRACK_LOCKS 1024 + extern spinlock_t nf_conntrack_locks[CONNTRACK_LOCKS]; +void nf_conntrack_lock(spinlock_t *lock); extern spinlock_t nf_conntrack_expect_lock; diff --git a/include/net/scm.h b/include/net/scm.h index 262532d111f5..59fa93c01d2a 100644 --- a/include/net/scm.h +++ b/include/net/scm.h @@ -21,6 +21,7 @@ struct scm_creds { struct scm_fp_list { short count; short max; + struct user_struct *user; struct file *fp[SCM_MAX_FD]; }; diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 20e72129be1c..205630bb5010 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -756,7 +756,6 @@ struct sctp_transport { /* Reference counting. */ atomic_t refcnt; - __u32 dead:1, /* RTO-Pending : A flag used to track if one of the DATA * chunks sent to this address is currently being * used to compute a RTT. If this flag is 0, @@ -766,7 +765,7 @@ struct sctp_transport { * calculation completes (i.e. the DATA chunk * is SACK'd) clear this flag. */ - rto_pending:1, + __u32 rto_pending:1, /* * hb_sent : a flag that signals that we have a pending @@ -955,7 +954,7 @@ void sctp_transport_route(struct sctp_transport *, union sctp_addr *, void sctp_transport_pmtu(struct sctp_transport *, struct sock *sk); void sctp_transport_free(struct sctp_transport *); void sctp_transport_reset_timers(struct sctp_transport *); -void sctp_transport_hold(struct sctp_transport *); +int sctp_transport_hold(struct sctp_transport *); void sctp_transport_put(struct sctp_transport *); void sctp_transport_update_rto(struct sctp_transport *, __u32); void sctp_transport_raise_cwnd(struct sctp_transport *, __u32, __u32); diff --git a/include/net/sock.h b/include/net/sock.h index b9e7b3d863a0..f5ea148853e2 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1036,18 +1036,6 @@ struct proto { #ifdef SOCK_REFCNT_DEBUG atomic_t socks; #endif -#ifdef CONFIG_MEMCG_KMEM - /* - * cgroup specific init/deinit functions. Called once for all - * protocols that implement it, from cgroups populate function. - * This function has to setup any files the protocol want to - * appear in the kmem cgroup filesystem. - */ - int (*init_cgroup)(struct mem_cgroup *memcg, - struct cgroup_subsys *ss); - void (*destroy_cgroup)(struct mem_cgroup *memcg); - struct cg_proto *(*proto_cgroup)(struct mem_cgroup *memcg); -#endif int (*diag_destroy)(struct sock *sk, int err); }; diff --git a/include/net/sock_reuseport.h b/include/net/sock_reuseport.h index 7dda3d7adba8..aecd30308d50 100644 --- a/include/net/sock_reuseport.h +++ b/include/net/sock_reuseport.h @@ -16,7 +16,7 @@ struct sock_reuseport { }; extern int reuseport_alloc(struct sock *sk); -extern int reuseport_add_sock(struct sock *sk, const struct sock *sk2); +extern int reuseport_add_sock(struct sock *sk, struct sock *sk2); extern void reuseport_detach_sock(struct sock *sk); extern struct sock *reuseport_select_sock(struct sock *sk, u32 hash, diff --git a/include/net/tcp.h b/include/net/tcp.h index 8ea19977ea53..ae6468f5c9f3 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -216,7 +216,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); /* TCP thin-stream limits */ #define TCP_THIN_LINEAR_RETRIES 6 /* After 6 linear retries, do exp. backoff */ -/* TCP initial congestion window as per draft-hkchu-tcpm-initcwnd-01 */ +/* TCP initial congestion window as per rfc6928 */ #define TCP_INIT_CWND 10 /* Bit Flags for sysctl_tcp_fastopen */ @@ -447,7 +447,7 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th); void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb); void tcp_v4_mtu_reduced(struct sock *sk); -void tcp_req_err(struct sock *sk, u32 seq); +void tcp_req_err(struct sock *sk, u32 seq, bool abort); int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb); struct sock *tcp_create_openreq_child(const struct sock *sk, struct request_sock *req, diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index e2b712c90d3f..c21c38ce7450 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -343,7 +343,7 @@ void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus); void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus); void snd_hdac_bus_update_rirb(struct hdac_bus *bus); -void snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, +int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, void (*ack)(struct hdac_bus *, struct hdac_stream *)); diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h index fdabbb4ddba9..f730b91e472f 100644 --- a/include/sound/rawmidi.h +++ b/include/sound/rawmidi.h @@ -167,6 +167,10 @@ int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count); int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream, unsigned char *buffer, int count); +int __snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, + unsigned char *buffer, int count); +int __snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, + int count); /* main midi functions */ diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index 56cf8e485ef2..28ee5c2e6bcd 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -94,5 +94,8 @@ sense_reason_t passthrough_parse_cdb(struct se_cmd *cmd, sense_reason_t (*exec_cmd)(struct se_cmd *cmd)); bool target_sense_desc_format(struct se_device *dev); +sector_t target_to_linux_sector(struct se_device *dev, sector_t lb); +bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib, + struct request_queue *q, int block_size); #endif /* TARGET_CORE_BACKEND_H */ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 5d82816cc4e3..e8c8c08bf575 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -140,6 +140,8 @@ enum se_cmd_flags_table { SCF_COMPARE_AND_WRITE = 0x00080000, SCF_COMPARE_AND_WRITE_POST = 0x00100000, SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC = 0x00200000, + SCF_ACK_KREF = 0x00400000, + SCF_USE_CPUID = 0x00800000, }; /* struct se_dev_entry->lun_flags and struct se_lun->lun_access */ @@ -187,6 +189,7 @@ enum target_sc_flags_table { TARGET_SCF_BIDI_OP = 0x01, TARGET_SCF_ACK_KREF = 0x02, TARGET_SCF_UNKNOWN_SIZE = 0x04, + TARGET_SCF_USE_CPUID = 0x08, }; /* fabric independent task management function values */ @@ -490,8 +493,9 @@ struct se_cmd { #define CMD_T_SENT (1 << 4) #define CMD_T_STOP (1 << 5) #define CMD_T_DEV_ACTIVE (1 << 7) -#define CMD_T_REQUEST_STOP (1 << 8) #define CMD_T_BUSY (1 << 9) +#define CMD_T_TAS (1 << 10) +#define CMD_T_FABRIC_STOP (1 << 11) spinlock_t t_state_lock; struct kref cmd_kref; struct completion t_transport_stop_comp; @@ -511,9 +515,6 @@ struct se_cmd { struct list_head state_list; - /* old task stop completion, consider merging with some of the above */ - struct completion task_stop_comp; - /* backend private data */ void *priv; diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 41e0433b4a83..149bec83a907 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -222,7 +222,6 @@ struct fsxattr { #define BLKSECDISCARD _IO(0x12,125) #define BLKROTATIONAL _IO(0x12,126) #define BLKZEROOUT _IO(0x12,127) -#define BLKDAXSET _IO(0x12,128) #define BLKDAXGET _IO(0x12,129) #define BMAP_IOCTL 1 /* obsolete - kept for compatibility */ diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h index 5b4a4be06e2b..cc68b92124d4 100644 --- a/include/uapi/linux/ndctl.h +++ b/include/uapi/linux/ndctl.h @@ -66,14 +66,18 @@ struct nd_cmd_ars_cap { __u64 length; __u32 status; __u32 max_ars_out; + __u32 clear_err_unit; + __u32 reserved; } __packed; struct nd_cmd_ars_start { __u64 address; __u64 length; __u16 type; - __u8 reserved[6]; + __u8 flags; + __u8 reserved[5]; __u32 status; + __u32 scrub_time; } __packed; struct nd_cmd_ars_status { @@ -81,11 +85,14 @@ struct nd_cmd_ars_status { __u32 out_length; __u64 address; __u64 length; + __u64 restart_address; + __u64 restart_length; __u16 type; + __u16 flags; __u32 num_records; struct nd_ars_record { __u32 handle; - __u32 flags; + __u32 reserved; __u64 err_address; __u64 length; } __packed records[0]; diff --git a/ipc/shm.c b/ipc/shm.c index ed3027d0f277..331fc1b0b3c7 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -156,11 +156,12 @@ static inline struct shmid_kernel *shm_lock(struct ipc_namespace *ns, int id) struct kern_ipc_perm *ipcp = ipc_lock(&shm_ids(ns), id); /* - * We raced in the idr lookup or with shm_destroy(). Either way, the - * ID is busted. + * Callers of shm_lock() must validate the status of the returned ipc + * object pointer (as returned by ipc_lock()), and error out as + * appropriate. */ - WARN_ON(IS_ERR(ipcp)); - + if (IS_ERR(ipcp)) + return (void *)ipcp; return container_of(ipcp, struct shmid_kernel, shm_perm); } @@ -186,18 +187,33 @@ static inline void shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *s) } -/* This is called by fork, once for every shm attach. */ -static void shm_open(struct vm_area_struct *vma) +static int __shm_open(struct vm_area_struct *vma) { struct file *file = vma->vm_file; struct shm_file_data *sfd = shm_file_data(file); struct shmid_kernel *shp; shp = shm_lock(sfd->ns, sfd->id); + + if (IS_ERR(shp)) + return PTR_ERR(shp); + shp->shm_atim = get_seconds(); shp->shm_lprid = task_tgid_vnr(current); shp->shm_nattch++; shm_unlock(shp); + return 0; +} + +/* This is called by fork, once for every shm attach. */ +static void shm_open(struct vm_area_struct *vma) +{ + int err = __shm_open(vma); + /* + * We raced in the idr lookup or with shm_destroy(). + * Either way, the ID is busted. + */ + WARN_ON_ONCE(err); } /* @@ -260,6 +276,14 @@ static void shm_close(struct vm_area_struct *vma) down_write(&shm_ids(ns).rwsem); /* remove from the list of attaches of the shm segment */ shp = shm_lock(ns, sfd->id); + + /* + * We raced in the idr lookup or with shm_destroy(). + * Either way, the ID is busted. + */ + if (WARN_ON_ONCE(IS_ERR(shp))) + goto done; /* no-op */ + shp->shm_lprid = task_tgid_vnr(current); shp->shm_dtim = get_seconds(); shp->shm_nattch--; @@ -267,6 +291,7 @@ static void shm_close(struct vm_area_struct *vma) shm_destroy(ns, shp); else shm_unlock(shp); +done: up_write(&shm_ids(ns).rwsem); } @@ -388,17 +413,25 @@ static int shm_mmap(struct file *file, struct vm_area_struct *vma) struct shm_file_data *sfd = shm_file_data(file); int ret; + /* + * In case of remap_file_pages() emulation, the file can represent + * removed IPC ID: propogate shm_lock() error to caller. + */ + ret =__shm_open(vma); + if (ret) + return ret; + ret = sfd->file->f_op->mmap(sfd->file, vma); - if (ret != 0) + if (ret) { + shm_close(vma); return ret; + } sfd->vm_ops = vma->vm_ops; #ifdef CONFIG_MMU WARN_ON(!sfd->vm_ops->fault); #endif vma->vm_ops = &shm_vm_ops; - shm_open(vma); - - return ret; + return 0; } static int shm_release(struct inode *ino, struct file *file) diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index d1d3e8f57de9..2e7f7ab739e4 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -2082,7 +2082,7 @@ static void adjust_branches(struct bpf_prog *prog, int pos, int delta) /* adjust offset of jmps if necessary */ if (i < pos && i + insn->off + 1 > pos) insn->off += delta; - else if (i > pos && i + insn->off + 1 < pos) + else if (i > pos + delta && i + insn->off + 1 <= pos + delta) insn->off -= delta; } } diff --git a/kernel/cgroup.c b/kernel/cgroup.c index c03a640ef6da..d27904c193da 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -58,6 +58,7 @@ #include <linux/kthread.h> #include <linux/delay.h> #include <linux/atomic.h> +#include <linux/cpuset.h> #include <net/sock.h> /* @@ -2739,6 +2740,7 @@ out_unlock_rcu: out_unlock_threadgroup: percpu_up_write(&cgroup_threadgroup_rwsem); cgroup_kn_unlock(of->kn); + cpuset_post_attach_flush(); return ret ?: nbytes; } @@ -4655,14 +4657,15 @@ static void css_free_work_fn(struct work_struct *work) if (ss) { /* css free path */ + struct cgroup_subsys_state *parent = css->parent; int id = css->id; - if (css->parent) - css_put(css->parent); - ss->css_free(css); cgroup_idr_remove(&ss->css_idr, id); cgroup_put(cgrp); + + if (parent) + css_put(parent); } else { /* cgroup free path */ atomic_dec(&cgrp->root->nr_cgrps); @@ -4758,6 +4761,7 @@ static void init_and_link_css(struct cgroup_subsys_state *css, INIT_LIST_HEAD(&css->sibling); INIT_LIST_HEAD(&css->children); css->serial_nr = css_serial_nr_next++; + atomic_set(&css->online_cnt, 0); if (cgroup_parent(cgrp)) { css->parent = cgroup_css(cgroup_parent(cgrp), ss); @@ -4780,6 +4784,10 @@ static int online_css(struct cgroup_subsys_state *css) if (!ret) { css->flags |= CSS_ONLINE; rcu_assign_pointer(css->cgroup->subsys[ss->id], css); + + atomic_inc(&css->online_cnt); + if (css->parent) + atomic_inc(&css->parent->online_cnt); } return ret; } @@ -5017,10 +5025,15 @@ static void css_killed_work_fn(struct work_struct *work) container_of(work, struct cgroup_subsys_state, destroy_work); mutex_lock(&cgroup_mutex); - offline_css(css); - mutex_unlock(&cgroup_mutex); - css_put(css); + do { + offline_css(css); + css_put(css); + /* @css can't go away while we're holding cgroup_mutex */ + css = css->parent; + } while (css && atomic_dec_and_test(&css->online_cnt)); + + mutex_unlock(&cgroup_mutex); } /* css kill confirmation processing requires process context, bounce */ @@ -5029,8 +5042,10 @@ static void css_killed_ref_fn(struct percpu_ref *ref) struct cgroup_subsys_state *css = container_of(ref, struct cgroup_subsys_state, refcnt); - INIT_WORK(&css->destroy_work, css_killed_work_fn); - queue_work(cgroup_destroy_wq, &css->destroy_work); + if (atomic_dec_and_test(&css->online_cnt)) { + INIT_WORK(&css->destroy_work, css_killed_work_fn); + queue_work(cgroup_destroy_wq, &css->destroy_work); + } } /** diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 3e945fcd8179..41989ab4db57 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -287,6 +287,8 @@ static struct cpuset top_cpuset = { static DEFINE_MUTEX(cpuset_mutex); static DEFINE_SPINLOCK(callback_lock); +static struct workqueue_struct *cpuset_migrate_mm_wq; + /* * CPU / memory hotplug is handled asynchronously. */ @@ -972,31 +974,51 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs, } /* - * cpuset_migrate_mm - * - * Migrate memory region from one set of nodes to another. - * - * Temporarilly set tasks mems_allowed to target nodes of migration, - * so that the migration code can allocate pages on these nodes. - * - * While the mm_struct we are migrating is typically from some - * other task, the task_struct mems_allowed that we are hacking - * is for our current task, which must allocate new pages for that - * migrating memory region. + * Migrate memory region from one set of nodes to another. This is + * performed asynchronously as it can be called from process migration path + * holding locks involved in process management. All mm migrations are + * performed in the queued order and can be waited for by flushing + * cpuset_migrate_mm_wq. */ +struct cpuset_migrate_mm_work { + struct work_struct work; + struct mm_struct *mm; + nodemask_t from; + nodemask_t to; +}; + +static void cpuset_migrate_mm_workfn(struct work_struct *work) +{ + struct cpuset_migrate_mm_work *mwork = + container_of(work, struct cpuset_migrate_mm_work, work); + + /* on a wq worker, no need to worry about %current's mems_allowed */ + do_migrate_pages(mwork->mm, &mwork->from, &mwork->to, MPOL_MF_MOVE_ALL); + mmput(mwork->mm); + kfree(mwork); +} + static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from, const nodemask_t *to) { - struct task_struct *tsk = current; - - tsk->mems_allowed = *to; + struct cpuset_migrate_mm_work *mwork; - do_migrate_pages(mm, from, to, MPOL_MF_MOVE_ALL); + mwork = kzalloc(sizeof(*mwork), GFP_KERNEL); + if (mwork) { + mwork->mm = mm; + mwork->from = *from; + mwork->to = *to; + INIT_WORK(&mwork->work, cpuset_migrate_mm_workfn); + queue_work(cpuset_migrate_mm_wq, &mwork->work); + } else { + mmput(mm); + } +} - rcu_read_lock(); - guarantee_online_mems(task_cs(tsk), &tsk->mems_allowed); - rcu_read_unlock(); +void cpuset_post_attach_flush(void) +{ + flush_workqueue(cpuset_migrate_mm_wq); } /* @@ -1097,7 +1119,8 @@ static void update_tasks_nodemask(struct cpuset *cs) mpol_rebind_mm(mm, &cs->mems_allowed); if (migrate) cpuset_migrate_mm(mm, &cs->old_mems_allowed, &newmems); - mmput(mm); + else + mmput(mm); } css_task_iter_end(&it); @@ -1545,11 +1568,11 @@ static void cpuset_attach(struct cgroup_taskset *tset) * @old_mems_allowed is the right nodesets that we * migrate mm from. */ - if (is_memory_migrate(cs)) { + if (is_memory_migrate(cs)) cpuset_migrate_mm(mm, &oldcs->old_mems_allowed, &cpuset_attach_nodemask_to); - } - mmput(mm); + else + mmput(mm); } } @@ -1714,6 +1737,7 @@ out_unlock: mutex_unlock(&cpuset_mutex); kernfs_unbreak_active_protection(of->kn); css_put(&cs->css); + flush_workqueue(cpuset_migrate_mm_wq); return retval ?: nbytes; } @@ -2359,6 +2383,9 @@ void __init cpuset_init_smp(void) top_cpuset.effective_mems = node_states[N_MEMORY]; register_hotmemory_notifier(&cpuset_track_online_nodes_nb); + + cpuset_migrate_mm_wq = alloc_ordered_workqueue("cpuset_migrate_mm", 0); + BUG_ON(!cpuset_migrate_mm_wq); } /** diff --git a/kernel/events/core.c b/kernel/events/core.c index 5946460b2425..614614821f00 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -64,8 +64,17 @@ static void remote_function(void *data) struct task_struct *p = tfc->p; if (p) { - tfc->ret = -EAGAIN; - if (task_cpu(p) != smp_processor_id() || !task_curr(p)) + /* -EAGAIN */ + if (task_cpu(p) != smp_processor_id()) + return; + + /* + * Now that we're on right CPU with IRQs disabled, we can test + * if we hit the right task without races. + */ + + tfc->ret = -ESRCH; /* No such (running) process */ + if (p != current) return; } @@ -92,13 +101,17 @@ task_function_call(struct task_struct *p, remote_function_f func, void *info) .p = p, .func = func, .info = info, - .ret = -ESRCH, /* No such (running) process */ + .ret = -EAGAIN, }; + int ret; - if (task_curr(p)) - smp_call_function_single(task_cpu(p), remote_function, &data, 1); + do { + ret = smp_call_function_single(task_cpu(p), remote_function, &data, 1); + if (!ret) + ret = data.ret; + } while (ret == -EAGAIN); - return data.ret; + return ret; } /** @@ -169,19 +182,6 @@ static bool is_kernel_event(struct perf_event *event) * rely on ctx->is_active and therefore cannot use event_function_call(). * See perf_install_in_context(). * - * This is because we need a ctx->lock serialized variable (ctx->is_active) - * to reliably determine if a particular task/context is scheduled in. The - * task_curr() use in task_function_call() is racy in that a remote context - * switch is not a single atomic operation. - * - * As is, the situation is 'safe' because we set rq->curr before we do the - * actual context switch. This means that task_curr() will fail early, but - * we'll continue spinning on ctx->is_active until we've passed - * perf_event_task_sched_out(). - * - * Without this ctx->lock serialized variable we could have race where we find - * the task (and hence the context) would not be active while in fact they are. - * * If ctx->nr_events, then ctx->is_active and cpuctx->task_ctx are set. */ @@ -212,7 +212,7 @@ static int event_function(void *info) */ if (ctx->task) { if (ctx->task != current) { - ret = -EAGAIN; + ret = -ESRCH; goto unlock; } @@ -276,10 +276,10 @@ static void event_function_call(struct perf_event *event, event_f func, void *da return; } -again: if (task == TASK_TOMBSTONE) return; +again: if (!task_function_call(task, event_function, &efs)) return; @@ -289,13 +289,15 @@ again: * a concurrent perf_event_context_sched_out(). */ task = ctx->task; - if (task != TASK_TOMBSTONE) { - if (ctx->is_active) { - raw_spin_unlock_irq(&ctx->lock); - goto again; - } - func(event, NULL, ctx, data); + if (task == TASK_TOMBSTONE) { + raw_spin_unlock_irq(&ctx->lock); + return; } + if (ctx->is_active) { + raw_spin_unlock_irq(&ctx->lock); + goto again; + } + func(event, NULL, ctx, data); raw_spin_unlock_irq(&ctx->lock); } @@ -314,6 +316,7 @@ again: enum event_type_t { EVENT_FLEXIBLE = 0x1, EVENT_PINNED = 0x2, + EVENT_TIME = 0x4, EVENT_ALL = EVENT_FLEXIBLE | EVENT_PINNED, }; @@ -321,7 +324,13 @@ enum event_type_t { * perf_sched_events : >0 events exist * perf_cgroup_events: >0 per-cpu cgroup events exist on this cpu */ -struct static_key_deferred perf_sched_events __read_mostly; + +static void perf_sched_delayed(struct work_struct *work); +DEFINE_STATIC_KEY_FALSE(perf_sched_events); +static DECLARE_DELAYED_WORK(perf_sched_work, perf_sched_delayed); +static DEFINE_MUTEX(perf_sched_mutex); +static atomic_t perf_sched_count; + static DEFINE_PER_CPU(atomic_t, perf_cgroup_events); static DEFINE_PER_CPU(int, perf_sched_cb_usages); @@ -1288,16 +1297,18 @@ static u64 perf_event_time(struct perf_event *event) /* * Update the total_time_enabled and total_time_running fields for a event. - * The caller of this function needs to hold the ctx->lock. */ static void update_event_times(struct perf_event *event) { struct perf_event_context *ctx = event->ctx; u64 run_end; + lockdep_assert_held(&ctx->lock); + if (event->state < PERF_EVENT_STATE_INACTIVE || event->group_leader->state < PERF_EVENT_STATE_INACTIVE) return; + /* * in cgroup mode, time_enabled represents * the time the event was enabled AND active @@ -1645,7 +1656,7 @@ out: static bool is_orphaned_event(struct perf_event *event) { - return event->state == PERF_EVENT_STATE_EXIT; + return event->state == PERF_EVENT_STATE_DEAD; } static inline int pmu_filter_match(struct perf_event *event) @@ -1690,14 +1701,14 @@ event_sched_out(struct perf_event *event, perf_pmu_disable(event->pmu); + event->tstamp_stopped = tstamp; + event->pmu->del(event, 0); + event->oncpu = -1; event->state = PERF_EVENT_STATE_INACTIVE; if (event->pending_disable) { event->pending_disable = 0; event->state = PERF_EVENT_STATE_OFF; } - event->tstamp_stopped = tstamp; - event->pmu->del(event, 0); - event->oncpu = -1; if (!is_software_event(event)) cpuctx->active_oncpu--; @@ -1732,7 +1743,6 @@ group_sched_out(struct perf_event *group_event, } #define DETACH_GROUP 0x01UL -#define DETACH_STATE 0x02UL /* * Cross CPU call to remove a performance event @@ -1752,8 +1762,6 @@ __perf_remove_from_context(struct perf_event *event, if (flags & DETACH_GROUP) perf_group_detach(event); list_del_event(event, ctx); - if (flags & DETACH_STATE) - event->state = PERF_EVENT_STATE_EXIT; if (!ctx->nr_events && ctx->is_active) { ctx->is_active = 0; @@ -2063,14 +2071,27 @@ static void add_event_to_ctx(struct perf_event *event, event->tstamp_stopped = tstamp; } -static void task_ctx_sched_out(struct perf_cpu_context *cpuctx, - struct perf_event_context *ctx); +static void ctx_sched_out(struct perf_event_context *ctx, + struct perf_cpu_context *cpuctx, + enum event_type_t event_type); static void ctx_sched_in(struct perf_event_context *ctx, struct perf_cpu_context *cpuctx, enum event_type_t event_type, struct task_struct *task); +static void task_ctx_sched_out(struct perf_cpu_context *cpuctx, + struct perf_event_context *ctx) +{ + if (!cpuctx->task_ctx) + return; + + if (WARN_ON_ONCE(ctx != cpuctx->task_ctx)) + return; + + ctx_sched_out(ctx, cpuctx, EVENT_ALL); +} + static void perf_event_sched_in(struct perf_cpu_context *cpuctx, struct perf_event_context *ctx, struct task_struct *task) @@ -2097,49 +2118,68 @@ static void ctx_resched(struct perf_cpu_context *cpuctx, /* * Cross CPU call to install and enable a performance event * - * Must be called with ctx->mutex held + * Very similar to remote_function() + event_function() but cannot assume that + * things like ctx->is_active and cpuctx->task_ctx are set. */ static int __perf_install_in_context(void *info) { - struct perf_event_context *ctx = info; + struct perf_event *event = info; + struct perf_event_context *ctx = event->ctx; struct perf_cpu_context *cpuctx = __get_cpu_context(ctx); struct perf_event_context *task_ctx = cpuctx->task_ctx; + bool activate = true; + int ret = 0; raw_spin_lock(&cpuctx->ctx.lock); if (ctx->task) { raw_spin_lock(&ctx->lock); - /* - * If we hit the 'wrong' task, we've since scheduled and - * everything should be sorted, nothing to do! - */ task_ctx = ctx; - if (ctx->task != current) + + /* If we're on the wrong CPU, try again */ + if (task_cpu(ctx->task) != smp_processor_id()) { + ret = -ESRCH; goto unlock; + } /* - * If task_ctx is set, it had better be to us. + * If we're on the right CPU, see if the task we target is + * current, if not we don't have to activate the ctx, a future + * context switch will do that for us. */ - WARN_ON_ONCE(cpuctx->task_ctx != ctx && cpuctx->task_ctx); + if (ctx->task != current) + activate = false; + else + WARN_ON_ONCE(cpuctx->task_ctx && cpuctx->task_ctx != ctx); + } else if (task_ctx) { raw_spin_lock(&task_ctx->lock); } - ctx_resched(cpuctx, task_ctx); + if (activate) { + ctx_sched_out(ctx, cpuctx, EVENT_TIME); + add_event_to_ctx(event, ctx); + ctx_resched(cpuctx, task_ctx); + } else { + add_event_to_ctx(event, ctx); + } + unlock: perf_ctx_unlock(cpuctx, task_ctx); - return 0; + return ret; } /* - * Attach a performance event to a context + * Attach a performance event to a context. + * + * Very similar to event_function_call, see comment there. */ static void perf_install_in_context(struct perf_event_context *ctx, struct perf_event *event, int cpu) { - struct task_struct *task = NULL; + struct task_struct *task = READ_ONCE(ctx->task); lockdep_assert_held(&ctx->mutex); @@ -2147,40 +2187,46 @@ perf_install_in_context(struct perf_event_context *ctx, if (event->cpu != -1) event->cpu = cpu; + if (!task) { + cpu_function_call(cpu, __perf_install_in_context, event); + return; + } + + /* + * Should not happen, we validate the ctx is still alive before calling. + */ + if (WARN_ON_ONCE(task == TASK_TOMBSTONE)) + return; + /* * Installing events is tricky because we cannot rely on ctx->is_active * to be set in case this is the nr_events 0 -> 1 transition. - * - * So what we do is we add the event to the list here, which will allow - * a future context switch to DTRT and then send a racy IPI. If the IPI - * fails to hit the right task, this means a context switch must have - * happened and that will have taken care of business. */ - raw_spin_lock_irq(&ctx->lock); - task = ctx->task; +again: /* - * Worse, we cannot even rely on the ctx actually existing anymore. If - * between find_get_context() and perf_install_in_context() the task - * went through perf_event_exit_task() its dead and we should not be - * adding new events. + * Cannot use task_function_call() because we need to run on the task's + * CPU regardless of whether its current or not. */ - if (task == TASK_TOMBSTONE) { + if (!cpu_function_call(task_cpu(task), __perf_install_in_context, event)) + return; + + raw_spin_lock_irq(&ctx->lock); + task = ctx->task; + if (WARN_ON_ONCE(task == TASK_TOMBSTONE)) { + /* + * Cannot happen because we already checked above (which also + * cannot happen), and we hold ctx->mutex, which serializes us + * against perf_event_exit_task_context(). + */ raw_spin_unlock_irq(&ctx->lock); return; } - update_context_time(ctx); + raw_spin_unlock_irq(&ctx->lock); /* - * Update cgrp time only if current cgrp matches event->cgrp. - * Must be done before calling add_event_to_ctx(). + * Since !ctx->is_active doesn't mean anything, we must IPI + * unconditionally. */ - update_cgrp_time_from_event(event); - add_event_to_ctx(event, ctx); - raw_spin_unlock_irq(&ctx->lock); - - if (task) - task_function_call(task, __perf_install_in_context, ctx); - else - cpu_function_call(cpu, __perf_install_in_context, ctx); + goto again; } /* @@ -2219,17 +2265,18 @@ static void __perf_event_enable(struct perf_event *event, event->state <= PERF_EVENT_STATE_ERROR) return; - update_context_time(ctx); + if (ctx->is_active) + ctx_sched_out(ctx, cpuctx, EVENT_TIME); + __perf_event_mark_enabled(event); if (!ctx->is_active) return; if (!event_filter_match(event)) { - if (is_cgroup_event(event)) { - perf_cgroup_set_timestamp(current, ctx); // XXX ? + if (is_cgroup_event(event)) perf_cgroup_defer_enabled(event); - } + ctx_sched_in(ctx, cpuctx, EVENT_TIME, current); return; } @@ -2237,8 +2284,10 @@ static void __perf_event_enable(struct perf_event *event, * If the event is in a group and isn't the group leader, * then don't put it on unless the group is on. */ - if (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE) + if (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE) { + ctx_sched_in(ctx, cpuctx, EVENT_TIME, current); return; + } task_ctx = cpuctx->task_ctx; if (ctx->task) @@ -2344,24 +2393,33 @@ static void ctx_sched_out(struct perf_event_context *ctx, } ctx->is_active &= ~event_type; + if (!(ctx->is_active & EVENT_ALL)) + ctx->is_active = 0; + if (ctx->task) { WARN_ON_ONCE(cpuctx->task_ctx != ctx); if (!ctx->is_active) cpuctx->task_ctx = NULL; } - update_context_time(ctx); - update_cgrp_time_from_cpuctx(cpuctx); - if (!ctx->nr_active) + is_active ^= ctx->is_active; /* changed bits */ + + if (is_active & EVENT_TIME) { + /* update (and stop) ctx time */ + update_context_time(ctx); + update_cgrp_time_from_cpuctx(cpuctx); + } + + if (!ctx->nr_active || !(is_active & EVENT_ALL)) return; perf_pmu_disable(ctx->pmu); - if ((is_active & EVENT_PINNED) && (event_type & EVENT_PINNED)) { + if (is_active & EVENT_PINNED) { list_for_each_entry(event, &ctx->pinned_groups, group_entry) group_sched_out(event, cpuctx, ctx); } - if ((is_active & EVENT_FLEXIBLE) && (event_type & EVENT_FLEXIBLE)) { + if (is_active & EVENT_FLEXIBLE) { list_for_each_entry(event, &ctx->flexible_groups, group_entry) group_sched_out(event, cpuctx, ctx); } @@ -2641,18 +2699,6 @@ void __perf_event_task_sched_out(struct task_struct *task, perf_cgroup_sched_out(task, next); } -static void task_ctx_sched_out(struct perf_cpu_context *cpuctx, - struct perf_event_context *ctx) -{ - if (!cpuctx->task_ctx) - return; - - if (WARN_ON_ONCE(ctx != cpuctx->task_ctx)) - return; - - ctx_sched_out(ctx, cpuctx, EVENT_ALL); -} - /* * Called with IRQs disabled */ @@ -2735,7 +2781,7 @@ ctx_sched_in(struct perf_event_context *ctx, if (likely(!ctx->nr_events)) return; - ctx->is_active |= event_type; + ctx->is_active |= (event_type | EVENT_TIME); if (ctx->task) { if (!is_active) cpuctx->task_ctx = ctx; @@ -2743,18 +2789,24 @@ ctx_sched_in(struct perf_event_context *ctx, WARN_ON_ONCE(cpuctx->task_ctx != ctx); } - now = perf_clock(); - ctx->timestamp = now; - perf_cgroup_set_timestamp(task, ctx); + is_active ^= ctx->is_active; /* changed bits */ + + if (is_active & EVENT_TIME) { + /* start ctx time */ + now = perf_clock(); + ctx->timestamp = now; + perf_cgroup_set_timestamp(task, ctx); + } + /* * First go through the list and put on any pinned groups * in order to give them the best chance of going on. */ - if (!(is_active & EVENT_PINNED) && (event_type & EVENT_PINNED)) + if (is_active & EVENT_PINNED) ctx_pinned_sched_in(ctx, cpuctx); /* Then walk through the lower prio flexible groups */ - if (!(is_active & EVENT_FLEXIBLE) && (event_type & EVENT_FLEXIBLE)) + if (is_active & EVENT_FLEXIBLE) ctx_flexible_sched_in(ctx, cpuctx); } @@ -3120,6 +3172,7 @@ static void perf_event_enable_on_exec(int ctxn) cpuctx = __get_cpu_context(ctx); perf_ctx_lock(cpuctx, ctx); + ctx_sched_out(ctx, cpuctx, EVENT_TIME); list_for_each_entry(event, &ctx->event_list, event_entry) enabled |= event_enable_on_exec(event, ctx); @@ -3537,12 +3590,22 @@ static void unaccount_event(struct perf_event *event) if (has_branch_stack(event)) dec = true; - if (dec) - static_key_slow_dec_deferred(&perf_sched_events); + if (dec) { + if (!atomic_add_unless(&perf_sched_count, -1, 1)) + schedule_delayed_work(&perf_sched_work, HZ); + } unaccount_event_cpu(event, event->cpu); } +static void perf_sched_delayed(struct work_struct *work) +{ + mutex_lock(&perf_sched_mutex); + if (atomic_dec_and_test(&perf_sched_count)) + static_branch_disable(&perf_sched_events); + mutex_unlock(&perf_sched_mutex); +} + /* * The following implement mutual exclusion of events on "exclusive" pmus * (PERF_PMU_CAP_EXCLUSIVE). Such pmus can only have one event scheduled @@ -3752,30 +3815,42 @@ static void put_event(struct perf_event *event) */ int perf_event_release_kernel(struct perf_event *event) { - struct perf_event_context *ctx; + struct perf_event_context *ctx = event->ctx; struct perf_event *child, *tmp; + /* + * If we got here through err_file: fput(event_file); we will not have + * attached to a context yet. + */ + if (!ctx) { + WARN_ON_ONCE(event->attach_state & + (PERF_ATTACH_CONTEXT|PERF_ATTACH_GROUP)); + goto no_ctx; + } + if (!is_kernel_event(event)) perf_remove_from_owner(event); ctx = perf_event_ctx_lock(event); WARN_ON_ONCE(ctx->parent_ctx); - perf_remove_from_context(event, DETACH_GROUP | DETACH_STATE); - perf_event_ctx_unlock(event, ctx); + perf_remove_from_context(event, DETACH_GROUP); + raw_spin_lock_irq(&ctx->lock); /* - * At this point we must have event->state == PERF_EVENT_STATE_EXIT, - * either from the above perf_remove_from_context() or through - * perf_event_exit_event(). + * Mark this even as STATE_DEAD, there is no external reference to it + * anymore. * - * Therefore, anybody acquiring event->child_mutex after the below - * loop _must_ also see this, most importantly inherit_event() which - * will avoid placing more children on the list. + * Anybody acquiring event->child_mutex after the below loop _must_ + * also see this, most importantly inherit_event() which will avoid + * placing more children on the list. * * Thus this guarantees that we will in fact observe and kill _ALL_ * child events. */ - WARN_ON_ONCE(event->state != PERF_EVENT_STATE_EXIT); + event->state = PERF_EVENT_STATE_DEAD; + raw_spin_unlock_irq(&ctx->lock); + + perf_event_ctx_unlock(event, ctx); again: mutex_lock(&event->child_mutex); @@ -3830,8 +3905,8 @@ again: } mutex_unlock(&event->child_mutex); - /* Must be the last reference */ - put_event(event); +no_ctx: + put_event(event); /* Must be the 'last' reference */ return 0; } EXPORT_SYMBOL_GPL(perf_event_release_kernel); @@ -3988,7 +4063,7 @@ static bool is_event_hup(struct perf_event *event) { bool no_children; - if (event->state != PERF_EVENT_STATE_EXIT) + if (event->state > PERF_EVENT_STATE_EXIT) return false; mutex_lock(&event->child_mutex); @@ -7769,8 +7844,28 @@ static void account_event(struct perf_event *event) if (is_cgroup_event(event)) inc = true; - if (inc) - static_key_slow_inc(&perf_sched_events.key); + if (inc) { + if (atomic_inc_not_zero(&perf_sched_count)) + goto enabled; + + mutex_lock(&perf_sched_mutex); + if (!atomic_read(&perf_sched_count)) { + static_branch_enable(&perf_sched_events); + /* + * Guarantee that all CPUs observe they key change and + * call the perf scheduling hooks before proceeding to + * install events that need them. + */ + synchronize_sched(); + } + /* + * Now that we have waited for the sync_sched(), allow further + * increments to by-pass the mutex. + */ + atomic_inc(&perf_sched_count); + mutex_unlock(&perf_sched_mutex); + } +enabled: account_event_cpu(event, event->cpu); } @@ -8389,10 +8484,19 @@ SYSCALL_DEFINE5(perf_event_open, if (move_group) { gctx = group_leader->ctx; mutex_lock_double(&gctx->mutex, &ctx->mutex); + if (gctx->task == TASK_TOMBSTONE) { + err = -ESRCH; + goto err_locked; + } } else { mutex_lock(&ctx->mutex); } + if (ctx->task == TASK_TOMBSTONE) { + err = -ESRCH; + goto err_locked; + } + if (!perf_event_validate_size(event)) { err = -E2BIG; goto err_locked; @@ -8509,7 +8613,12 @@ err_context: perf_unpin_context(ctx); put_ctx(ctx); err_alloc: - free_event(event); + /* + * If event_file is set, the fput() above will have called ->release() + * and that will take care of freeing the event. + */ + if (!event_file) + free_event(event); err_cpus: put_online_cpus(); err_task: @@ -8563,12 +8672,14 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu, WARN_ON_ONCE(ctx->parent_ctx); mutex_lock(&ctx->mutex); + if (ctx->task == TASK_TOMBSTONE) { + err = -ESRCH; + goto err_unlock; + } + if (!exclusive_event_installable(event, ctx)) { - mutex_unlock(&ctx->mutex); - perf_unpin_context(ctx); - put_ctx(ctx); err = -EBUSY; - goto err_free; + goto err_unlock; } perf_install_in_context(ctx, event, cpu); @@ -8577,6 +8688,10 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu, return event; +err_unlock: + mutex_unlock(&ctx->mutex); + perf_unpin_context(ctx); + put_ctx(ctx); err_free: free_event(event); err: @@ -8695,7 +8810,7 @@ perf_event_exit_event(struct perf_event *child_event, if (parent_event) perf_group_detach(child_event); list_del_event(child_event, child_ctx); - child_event->state = PERF_EVENT_STATE_EXIT; /* see perf_event_release_kernel() */ + child_event->state = PERF_EVENT_STATE_EXIT; /* is_event_hup() */ raw_spin_unlock_irq(&child_ctx->lock); /* @@ -9206,7 +9321,7 @@ static void perf_event_init_cpu(int cpu) struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu); mutex_lock(&swhash->hlist_mutex); - if (swhash->hlist_refcount > 0) { + if (swhash->hlist_refcount > 0 && !swevent_hlist_deref(swhash)) { struct swevent_hlist *hlist; hlist = kzalloc_node(sizeof(*hlist), GFP_KERNEL, cpu_to_node(cpu)); @@ -9282,11 +9397,9 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) switch (action & ~CPU_TASKS_FROZEN) { case CPU_UP_PREPARE: - case CPU_DOWN_FAILED: perf_event_init_cpu(cpu); break; - case CPU_UP_CANCELED: case CPU_DOWN_PREPARE: perf_event_exit_cpu(cpu); break; @@ -9315,9 +9428,6 @@ void __init perf_event_init(void) ret = init_hw_breakpoint(); WARN(ret, "hw_breakpoint initialization failed with: %d", ret); - /* do not patch jump label more than once per second */ - jump_label_rate_limit(&perf_sched_events, HZ); - /* * Build time assertion that we keep the data_head at the intended * location. IOW, validation we got the __reserved[] size right. diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 60ace56618f6..716547fdb873 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -292,7 +292,7 @@ LIST_HEAD(all_lock_classes); #define __classhashfn(key) hash_long((unsigned long)key, CLASSHASH_BITS) #define classhashentry(key) (classhash_table + __classhashfn((key))) -static struct list_head classhash_table[CLASSHASH_SIZE]; +static struct hlist_head classhash_table[CLASSHASH_SIZE]; /* * We put the lock dependency chains into a hash-table as well, to cache @@ -303,7 +303,7 @@ static struct list_head classhash_table[CLASSHASH_SIZE]; #define __chainhashfn(chain) hash_long(chain, CHAINHASH_BITS) #define chainhashentry(chain) (chainhash_table + __chainhashfn((chain))) -static struct list_head chainhash_table[CHAINHASH_SIZE]; +static struct hlist_head chainhash_table[CHAINHASH_SIZE]; /* * The hash key of the lock dependency chains is a hash itself too: @@ -666,7 +666,7 @@ static inline struct lock_class * look_up_lock_class(struct lockdep_map *lock, unsigned int subclass) { struct lockdep_subclass_key *key; - struct list_head *hash_head; + struct hlist_head *hash_head; struct lock_class *class; #ifdef CONFIG_DEBUG_LOCKDEP @@ -719,7 +719,7 @@ look_up_lock_class(struct lockdep_map *lock, unsigned int subclass) if (DEBUG_LOCKS_WARN_ON(!irqs_disabled())) return NULL; - list_for_each_entry_rcu(class, hash_head, hash_entry) { + hlist_for_each_entry_rcu(class, hash_head, hash_entry) { if (class->key == key) { /* * Huh! same key, different name? Did someone trample @@ -742,7 +742,7 @@ static inline struct lock_class * register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) { struct lockdep_subclass_key *key; - struct list_head *hash_head; + struct hlist_head *hash_head; struct lock_class *class; DEBUG_LOCKS_WARN_ON(!irqs_disabled()); @@ -774,7 +774,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) * We have to do the hash-walk again, to avoid races * with another CPU: */ - list_for_each_entry_rcu(class, hash_head, hash_entry) { + hlist_for_each_entry_rcu(class, hash_head, hash_entry) { if (class->key == key) goto out_unlock_set; } @@ -805,7 +805,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) * We use RCU's safe list-add method to make * parallel walking of the hash-list safe: */ - list_add_tail_rcu(&class->hash_entry, hash_head); + hlist_add_head_rcu(&class->hash_entry, hash_head); /* * Add it to the global list of classes: */ @@ -1822,7 +1822,7 @@ check_deadlock(struct task_struct *curr, struct held_lock *next, */ static int check_prev_add(struct task_struct *curr, struct held_lock *prev, - struct held_lock *next, int distance, int trylock_loop) + struct held_lock *next, int distance, int *stack_saved) { struct lock_list *entry; int ret; @@ -1883,8 +1883,11 @@ check_prev_add(struct task_struct *curr, struct held_lock *prev, } } - if (!trylock_loop && !save_trace(&trace)) - return 0; + if (!*stack_saved) { + if (!save_trace(&trace)) + return 0; + *stack_saved = 1; + } /* * Ok, all validations passed, add the new lock @@ -1907,6 +1910,8 @@ check_prev_add(struct task_struct *curr, struct held_lock *prev, * Debugging printouts: */ if (verbose(hlock_class(prev)) || verbose(hlock_class(next))) { + /* We drop graph lock, so another thread can overwrite trace. */ + *stack_saved = 0; graph_unlock(); printk("\n new dependency: "); print_lock_name(hlock_class(prev)); @@ -1929,7 +1934,7 @@ static int check_prevs_add(struct task_struct *curr, struct held_lock *next) { int depth = curr->lockdep_depth; - int trylock_loop = 0; + int stack_saved = 0; struct held_lock *hlock; /* @@ -1956,7 +1961,7 @@ check_prevs_add(struct task_struct *curr, struct held_lock *next) */ if (hlock->read != 2 && hlock->check) { if (!check_prev_add(curr, hlock, next, - distance, trylock_loop)) + distance, &stack_saved)) return 0; /* * Stop after the first non-trylock entry, @@ -1979,7 +1984,6 @@ check_prevs_add(struct task_struct *curr, struct held_lock *next) if (curr->held_locks[depth].irq_context != curr->held_locks[depth-1].irq_context) break; - trylock_loop = 1; } return 1; out_bug: @@ -2017,7 +2021,7 @@ static inline int lookup_chain_cache(struct task_struct *curr, u64 chain_key) { struct lock_class *class = hlock_class(hlock); - struct list_head *hash_head = chainhashentry(chain_key); + struct hlist_head *hash_head = chainhashentry(chain_key); struct lock_chain *chain; struct held_lock *hlock_curr; int i, j; @@ -2033,7 +2037,7 @@ static inline int lookup_chain_cache(struct task_struct *curr, * We can walk it lock-free, because entries only get added * to the hash: */ - list_for_each_entry_rcu(chain, hash_head, entry) { + hlist_for_each_entry_rcu(chain, hash_head, entry) { if (chain->chain_key == chain_key) { cache_hit: debug_atomic_inc(chain_lookup_hits); @@ -2057,7 +2061,7 @@ cache_hit: /* * We have to walk the chain again locked - to avoid duplicates: */ - list_for_each_entry(chain, hash_head, entry) { + hlist_for_each_entry(chain, hash_head, entry) { if (chain->chain_key == chain_key) { graph_unlock(); goto cache_hit; @@ -2091,7 +2095,7 @@ cache_hit: } chain_hlocks[chain->base + j] = class - lock_classes; } - list_add_tail_rcu(&chain->entry, hash_head); + hlist_add_head_rcu(&chain->entry, hash_head); debug_atomic_inc(chain_lookup_misses); inc_chains(); @@ -3875,7 +3879,7 @@ void lockdep_reset(void) nr_process_chains = 0; debug_locks = 1; for (i = 0; i < CHAINHASH_SIZE; i++) - INIT_LIST_HEAD(chainhash_table + i); + INIT_HLIST_HEAD(chainhash_table + i); raw_local_irq_restore(flags); } @@ -3894,7 +3898,7 @@ static void zap_class(struct lock_class *class) /* * Unhash the class and remove it from the all_lock_classes list: */ - list_del_rcu(&class->hash_entry); + hlist_del_rcu(&class->hash_entry); list_del_rcu(&class->lock_entry); RCU_INIT_POINTER(class->key, NULL); @@ -3917,7 +3921,7 @@ static inline int within(const void *addr, void *start, unsigned long size) void lockdep_free_key_range(void *start, unsigned long size) { struct lock_class *class; - struct list_head *head; + struct hlist_head *head; unsigned long flags; int i; int locked; @@ -3930,9 +3934,7 @@ void lockdep_free_key_range(void *start, unsigned long size) */ for (i = 0; i < CLASSHASH_SIZE; i++) { head = classhash_table + i; - if (list_empty(head)) - continue; - list_for_each_entry_rcu(class, head, hash_entry) { + hlist_for_each_entry_rcu(class, head, hash_entry) { if (within(class->key, start, size)) zap_class(class); else if (within(class->name, start, size)) @@ -3962,7 +3964,7 @@ void lockdep_free_key_range(void *start, unsigned long size) void lockdep_reset_lock(struct lockdep_map *lock) { struct lock_class *class; - struct list_head *head; + struct hlist_head *head; unsigned long flags; int i, j; int locked; @@ -3987,9 +3989,7 @@ void lockdep_reset_lock(struct lockdep_map *lock) locked = graph_lock(); for (i = 0; i < CLASSHASH_SIZE; i++) { head = classhash_table + i; - if (list_empty(head)) - continue; - list_for_each_entry_rcu(class, head, hash_entry) { + hlist_for_each_entry_rcu(class, head, hash_entry) { int match = 0; for (j = 0; j < NR_LOCKDEP_CACHING_CLASSES; j++) @@ -4027,10 +4027,10 @@ void lockdep_init(void) return; for (i = 0; i < CLASSHASH_SIZE; i++) - INIT_LIST_HEAD(classhash_table + i); + INIT_HLIST_HEAD(classhash_table + i); for (i = 0; i < CHAINHASH_SIZE; i++) - INIT_LIST_HEAD(chainhash_table + i); + INIT_HLIST_HEAD(chainhash_table + i); lockdep_initialized = 1; } diff --git a/kernel/memremap.c b/kernel/memremap.c index e517a16cb426..b981a7b023f0 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -114,7 +114,7 @@ EXPORT_SYMBOL(memunmap); static void devm_memremap_release(struct device *dev, void *res) { - memunmap(res); + memunmap(*(void **)res); } static int devm_memremap_match(struct device *dev, void *res, void *match_data) @@ -136,8 +136,10 @@ void *devm_memremap(struct device *dev, resource_size_t offset, if (addr) { *ptr = addr; devres_add(dev, ptr); - } else + } else { devres_free(ptr); + return ERR_PTR(-ENXIO); + } return addr; } @@ -150,7 +152,7 @@ void devm_memunmap(struct device *dev, void *addr) } EXPORT_SYMBOL(devm_memunmap); -pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags) +pfn_t phys_to_pfn_t(phys_addr_t addr, u64 flags) { return __pfn_to_pfn_t(addr >> PAGE_SHIFT, flags); } @@ -183,7 +185,11 @@ EXPORT_SYMBOL(put_zone_device_page); static void pgmap_radix_release(struct resource *res) { - resource_size_t key; + resource_size_t key, align_start, align_size, align_end; + + align_start = res->start & ~(SECTION_SIZE - 1); + align_size = ALIGN(resource_size(res), SECTION_SIZE); + align_end = align_start + align_size - 1; mutex_lock(&pgmap_lock); for (key = res->start; key <= res->end; key += SECTION_SIZE) @@ -226,12 +232,11 @@ static void devm_memremap_pages_release(struct device *dev, void *data) percpu_ref_put(pgmap->ref); } - pgmap_radix_release(res); - /* pages are dead and unused, undo the arch mapping */ align_start = res->start & ~(SECTION_SIZE - 1); align_size = ALIGN(resource_size(res), SECTION_SIZE); arch_remove_memory(align_start, align_size); + pgmap_radix_release(res); dev_WARN_ONCE(dev, pgmap->altmap && pgmap->altmap->alloc, "%s: failed to free all reserved pages\n", __func__); } @@ -267,7 +272,7 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, { int is_ram = region_intersects(res->start, resource_size(res), "System RAM"); - resource_size_t key, align_start, align_size; + resource_size_t key, align_start, align_size, align_end; struct dev_pagemap *pgmap; struct page_map *page_map; unsigned long pfn; @@ -309,7 +314,10 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, mutex_lock(&pgmap_lock); error = 0; - for (key = res->start; key <= res->end; key += SECTION_SIZE) { + align_start = res->start & ~(SECTION_SIZE - 1); + align_size = ALIGN(resource_size(res), SECTION_SIZE); + align_end = align_start + align_size - 1; + for (key = align_start; key <= align_end; key += SECTION_SIZE) { struct dev_pagemap *dup; rcu_read_lock(); @@ -336,8 +344,6 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, if (nid < 0) nid = numa_mem_id(); - align_start = res->start & ~(SECTION_SIZE - 1); - align_size = ALIGN(resource_size(res), SECTION_SIZE); error = arch_add_memory(nid, align_start, align_size, true); if (error) goto err_add_memory; diff --git a/kernel/module.c b/kernel/module.c index 8358f4697c0c..794ebe8e878d 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -303,6 +303,9 @@ struct load_info { struct _ddebug *debug; unsigned int num_debug; bool sig_ok; +#ifdef CONFIG_KALLSYMS + unsigned long mod_kallsyms_init_off; +#endif struct { unsigned int sym, str, mod, vers, info, pcpu; } index; @@ -981,6 +984,8 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user, mod->exit(); blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_GOING, mod); + ftrace_release_mod(mod); + async_synchronize_full(); /* Store the name of the last unloaded module for diagnostic purposes */ @@ -2480,10 +2485,21 @@ static void layout_symtab(struct module *mod, struct load_info *info) strsect->sh_flags |= SHF_ALLOC; strsect->sh_entsize = get_offset(mod, &mod->init_layout.size, strsect, info->index.str) | INIT_OFFSET_MASK; - mod->init_layout.size = debug_align(mod->init_layout.size); pr_debug("\t%s\n", info->secstrings + strsect->sh_name); + + /* We'll tack temporary mod_kallsyms on the end. */ + mod->init_layout.size = ALIGN(mod->init_layout.size, + __alignof__(struct mod_kallsyms)); + info->mod_kallsyms_init_off = mod->init_layout.size; + mod->init_layout.size += sizeof(struct mod_kallsyms); + mod->init_layout.size = debug_align(mod->init_layout.size); } +/* + * We use the full symtab and strtab which layout_symtab arranged to + * be appended to the init section. Later we switch to the cut-down + * core-only ones. + */ static void add_kallsyms(struct module *mod, const struct load_info *info) { unsigned int i, ndst; @@ -2492,29 +2508,34 @@ static void add_kallsyms(struct module *mod, const struct load_info *info) char *s; Elf_Shdr *symsec = &info->sechdrs[info->index.sym]; - mod->symtab = (void *)symsec->sh_addr; - mod->num_symtab = symsec->sh_size / sizeof(Elf_Sym); + /* Set up to point into init section. */ + mod->kallsyms = mod->init_layout.base + info->mod_kallsyms_init_off; + + mod->kallsyms->symtab = (void *)symsec->sh_addr; + mod->kallsyms->num_symtab = symsec->sh_size / sizeof(Elf_Sym); /* Make sure we get permanent strtab: don't use info->strtab. */ - mod->strtab = (void *)info->sechdrs[info->index.str].sh_addr; + mod->kallsyms->strtab = (void *)info->sechdrs[info->index.str].sh_addr; /* Set types up while we still have access to sections. */ - for (i = 0; i < mod->num_symtab; i++) - mod->symtab[i].st_info = elf_type(&mod->symtab[i], info); - - mod->core_symtab = dst = mod->core_layout.base + info->symoffs; - mod->core_strtab = s = mod->core_layout.base + info->stroffs; - src = mod->symtab; - for (ndst = i = 0; i < mod->num_symtab; i++) { + for (i = 0; i < mod->kallsyms->num_symtab; i++) + mod->kallsyms->symtab[i].st_info + = elf_type(&mod->kallsyms->symtab[i], info); + + /* Now populate the cut down core kallsyms for after init. */ + mod->core_kallsyms.symtab = dst = mod->core_layout.base + info->symoffs; + mod->core_kallsyms.strtab = s = mod->core_layout.base + info->stroffs; + src = mod->kallsyms->symtab; + for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) { if (i == 0 || is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum, info->index.pcpu)) { dst[ndst] = src[i]; - dst[ndst++].st_name = s - mod->core_strtab; - s += strlcpy(s, &mod->strtab[src[i].st_name], + dst[ndst++].st_name = s - mod->core_kallsyms.strtab; + s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name], KSYM_NAME_LEN) + 1; } } - mod->core_num_syms = ndst; + mod->core_kallsyms.num_symtab = ndst; } #else static inline void layout_symtab(struct module *mod, struct load_info *info) @@ -3263,9 +3284,8 @@ static noinline int do_init_module(struct module *mod) module_put(mod); trim_init_extable(mod); #ifdef CONFIG_KALLSYMS - mod->num_symtab = mod->core_num_syms; - mod->symtab = mod->core_symtab; - mod->strtab = mod->core_strtab; + /* Switch to core kallsyms now init is done: kallsyms may be walking! */ + rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms); #endif mod_tree_remove_init(mod); disable_ro_nx(&mod->init_layout); @@ -3295,6 +3315,7 @@ fail: module_put(mod); blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_GOING, mod); + ftrace_release_mod(mod); free_module(mod); wake_up_all(&module_wq); return ret; @@ -3371,6 +3392,7 @@ static int complete_formation(struct module *mod, struct load_info *info) mod->state = MODULE_STATE_COMING; mutex_unlock(&module_mutex); + ftrace_module_enable(mod); blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_COMING, mod); return 0; @@ -3496,7 +3518,7 @@ static int load_module(struct load_info *info, const char __user *uargs, /* Module is ready to execute: parsing args may do that. */ after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, - -32768, 32767, NULL, + -32768, 32767, mod, unknown_module_param_cb); if (IS_ERR(after_dashes)) { err = PTR_ERR(after_dashes); @@ -3627,6 +3649,11 @@ static inline int is_arm_mapping_symbol(const char *str) && (str[2] == '\0' || str[2] == '.'); } +static const char *symname(struct mod_kallsyms *kallsyms, unsigned int symnum) +{ + return kallsyms->strtab + kallsyms->symtab[symnum].st_name; +} + static const char *get_ksymbol(struct module *mod, unsigned long addr, unsigned long *size, @@ -3634,6 +3661,7 @@ static const char *get_ksymbol(struct module *mod, { unsigned int i, best = 0; unsigned long nextval; + struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); /* At worse, next value is at end of module */ if (within_module_init(addr, mod)) @@ -3643,32 +3671,32 @@ static const char *get_ksymbol(struct module *mod, /* Scan for closest preceding symbol, and next symbol. (ELF starts real symbols at 1). */ - for (i = 1; i < mod->num_symtab; i++) { - if (mod->symtab[i].st_shndx == SHN_UNDEF) + for (i = 1; i < kallsyms->num_symtab; i++) { + if (kallsyms->symtab[i].st_shndx == SHN_UNDEF) continue; /* We ignore unnamed symbols: they're uninformative * and inserted at a whim. */ - if (mod->symtab[i].st_value <= addr - && mod->symtab[i].st_value > mod->symtab[best].st_value - && *(mod->strtab + mod->symtab[i].st_name) != '\0' - && !is_arm_mapping_symbol(mod->strtab + mod->symtab[i].st_name)) + if (*symname(kallsyms, i) == '\0' + || is_arm_mapping_symbol(symname(kallsyms, i))) + continue; + + if (kallsyms->symtab[i].st_value <= addr + && kallsyms->symtab[i].st_value > kallsyms->symtab[best].st_value) best = i; - if (mod->symtab[i].st_value > addr - && mod->symtab[i].st_value < nextval - && *(mod->strtab + mod->symtab[i].st_name) != '\0' - && !is_arm_mapping_symbol(mod->strtab + mod->symtab[i].st_name)) - nextval = mod->symtab[i].st_value; + if (kallsyms->symtab[i].st_value > addr + && kallsyms->symtab[i].st_value < nextval) + nextval = kallsyms->symtab[i].st_value; } if (!best) return NULL; if (size) - *size = nextval - mod->symtab[best].st_value; + *size = nextval - kallsyms->symtab[best].st_value; if (offset) - *offset = addr - mod->symtab[best].st_value; - return mod->strtab + mod->symtab[best].st_name; + *offset = addr - kallsyms->symtab[best].st_value; + return symname(kallsyms, best); } /* For kallsyms to ask for address resolution. NULL means not found. Careful @@ -3758,19 +3786,21 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, preempt_disable(); list_for_each_entry_rcu(mod, &modules, list) { + struct mod_kallsyms *kallsyms; + if (mod->state == MODULE_STATE_UNFORMED) continue; - if (symnum < mod->num_symtab) { - *value = mod->symtab[symnum].st_value; - *type = mod->symtab[symnum].st_info; - strlcpy(name, mod->strtab + mod->symtab[symnum].st_name, - KSYM_NAME_LEN); + kallsyms = rcu_dereference_sched(mod->kallsyms); + if (symnum < kallsyms->num_symtab) { + *value = kallsyms->symtab[symnum].st_value; + *type = kallsyms->symtab[symnum].st_info; + strlcpy(name, symname(kallsyms, symnum), KSYM_NAME_LEN); strlcpy(module_name, mod->name, MODULE_NAME_LEN); *exported = is_exported(name, *value, mod); preempt_enable(); return 0; } - symnum -= mod->num_symtab; + symnum -= kallsyms->num_symtab; } preempt_enable(); return -ERANGE; @@ -3779,11 +3809,12 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, static unsigned long mod_find_symname(struct module *mod, const char *name) { unsigned int i; + struct mod_kallsyms *kallsyms = rcu_dereference_sched(mod->kallsyms); - for (i = 0; i < mod->num_symtab; i++) - if (strcmp(name, mod->strtab+mod->symtab[i].st_name) == 0 && - mod->symtab[i].st_info != 'U') - return mod->symtab[i].st_value; + for (i = 0; i < kallsyms->num_symtab; i++) + if (strcmp(name, symname(kallsyms, i)) == 0 && + kallsyms->symtab[i].st_info != 'U') + return kallsyms->symtab[i].st_value; return 0; } @@ -3822,11 +3853,14 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, module_assert_mutex(); list_for_each_entry(mod, &modules, list) { + /* We hold module_mutex: no need for rcu_dereference_sched */ + struct mod_kallsyms *kallsyms = mod->kallsyms; + if (mod->state == MODULE_STATE_UNFORMED) continue; - for (i = 0; i < mod->num_symtab; i++) { - ret = fn(data, mod->strtab + mod->symtab[i].st_name, - mod, mod->symtab[i].st_value); + for (i = 0; i < kallsyms->num_symtab; i++) { + ret = fn(data, symname(kallsyms, i), + mod, kallsyms->symtab[i].st_value); if (ret != 0) return ret; } diff --git a/kernel/resource.c b/kernel/resource.c index 09c0597840b0..3669d1bfc425 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -1083,9 +1083,10 @@ struct resource * __request_region(struct resource *parent, if (!conflict) break; if (conflict != parent) { - parent = conflict; - if (!(conflict->flags & IORESOURCE_BUSY)) + if (!(conflict->flags & IORESOURCE_BUSY)) { + parent = conflict; continue; + } } if (conflict->flags & flags & IORESOURCE_MUXED) { add_wait_queue(&muxed_resource_wait, &wait); diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index cd64c979d0e1..57b939c81bce 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -420,7 +420,7 @@ static void replenish_dl_entity(struct sched_dl_entity *dl_se, * entity. */ if (dl_time_before(dl_se->deadline, rq_clock(rq))) { - printk_deferred_once("sched: DL replenish lagged to much\n"); + printk_deferred_once("sched: DL replenish lagged too much\n"); dl_se->deadline = rq_clock(rq) + pi_se->dl_deadline; dl_se->runtime = pi_se->dl_runtime; } diff --git a/kernel/signal.c b/kernel/signal.c index f3f1f7a972fd..0508544c8ced 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -3508,8 +3508,10 @@ static int sigsuspend(sigset_t *set) current->saved_sigmask = current->blocked; set_current_blocked(set); - __set_current_state(TASK_INTERRUPTIBLE); - schedule(); + while (!signal_pending(current)) { + __set_current_state(TASK_INTERRUPTIBLE); + schedule(); + } set_restore_sigmask(); return -ERESTARTNOHAND; } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index eca592f977b2..57a6eea84694 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4961,7 +4961,7 @@ void ftrace_release_mod(struct module *mod) mutex_unlock(&ftrace_lock); } -static void ftrace_module_enable(struct module *mod) +void ftrace_module_enable(struct module *mod) { struct dyn_ftrace *rec; struct ftrace_page *pg; @@ -5038,38 +5038,8 @@ void ftrace_module_init(struct module *mod) ftrace_process_locs(mod, mod->ftrace_callsites, mod->ftrace_callsites + mod->num_ftrace_callsites); } - -static int ftrace_module_notify(struct notifier_block *self, - unsigned long val, void *data) -{ - struct module *mod = data; - - switch (val) { - case MODULE_STATE_COMING: - ftrace_module_enable(mod); - break; - case MODULE_STATE_GOING: - ftrace_release_mod(mod); - break; - default: - break; - } - - return 0; -} -#else -static int ftrace_module_notify(struct notifier_block *self, - unsigned long val, void *data) -{ - return 0; -} #endif /* CONFIG_MODULES */ -struct notifier_block ftrace_module_nb = { - .notifier_call = ftrace_module_notify, - .priority = INT_MIN, /* Run after anything that can remove kprobes */ -}; - void __init ftrace_init(void) { extern unsigned long __start_mcount_loc[]; @@ -5098,10 +5068,6 @@ void __init ftrace_init(void) __start_mcount_loc, __stop_mcount_loc); - ret = register_module_notifier(&ftrace_module_nb); - if (ret) - pr_warning("Failed to register trace ftrace module exit notifier\n"); - set_ftrace_early_filters(); return; diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index f333e57c4614..05ddc0820771 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -97,16 +97,16 @@ trace_find_event_field(struct trace_event_call *call, char *name) struct ftrace_event_field *field; struct list_head *head; - field = __find_event_field(&ftrace_generic_fields, name); + head = trace_get_fields(call); + field = __find_event_field(head, name); if (field) return field; - field = __find_event_field(&ftrace_common_fields, name); + field = __find_event_field(&ftrace_generic_fields, name); if (field) return field; - head = trace_get_fields(call); - return __find_event_field(head, name); + return __find_event_field(&ftrace_common_fields, name); } static int __trace_define_field(struct list_head *head, const char *type, @@ -171,8 +171,10 @@ static int trace_define_generic_fields(void) { int ret; - __generic_field(int, cpu, FILTER_OTHER); - __generic_field(char *, comm, FILTER_PTR_STRING); + __generic_field(int, CPU, FILTER_CPU); + __generic_field(int, cpu, FILTER_CPU); + __generic_field(char *, COMM, FILTER_COMM); + __generic_field(char *, comm, FILTER_COMM); return ret; } @@ -869,7 +871,8 @@ t_next(struct seq_file *m, void *v, loff_t *pos) * The ftrace subsystem is for showing formats only. * They can not be enabled or disabled via the event files. */ - if (call->class && call->class->reg) + if (call->class && call->class->reg && + !(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE)) return file; } diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index f93a219b18da..6816302542b2 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -1043,13 +1043,14 @@ static int init_pred(struct filter_parse_state *ps, return -EINVAL; } - if (is_string_field(field)) { + if (field->filter_type == FILTER_COMM) { + filter_build_regex(pred); + fn = filter_pred_comm; + pred->regex.field_len = TASK_COMM_LEN; + } else if (is_string_field(field)) { filter_build_regex(pred); - if (!strcmp(field->name, "comm")) { - fn = filter_pred_comm; - pred->regex.field_len = TASK_COMM_LEN; - } else if (field->filter_type == FILTER_STATIC_STRING) { + if (field->filter_type == FILTER_STATIC_STRING) { fn = filter_pred_string; pred->regex.field_len = field->size; } else if (field->filter_type == FILTER_DYN_STRING) @@ -1072,7 +1073,7 @@ static int init_pred(struct filter_parse_state *ps, } pred->val = val; - if (!strcmp(field->name, "cpu")) + if (field->filter_type == FILTER_CPU) fn = filter_pred_cpu; else fn = select_comparison_fn(pred->op, field->size, diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index dda9e6742950..2a1abbaca10e 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -126,6 +126,13 @@ check_stack(unsigned long ip, unsigned long *stack) } /* + * Some archs may not have the passed in ip in the dump. + * If that happens, we need to show everything. + */ + if (i == stack_trace_max.nr_entries) + i = 0; + + /* * Now find where in the stack these are. */ x = 0; @@ -149,7 +156,11 @@ check_stack(unsigned long ip, unsigned long *stack) for (; p < top && i < stack_trace_max.nr_entries; p++) { if (stack_dump_trace[i] == ULONG_MAX) break; - if (*p == stack_dump_trace[i]) { + /* + * The READ_ONCE_NOCHECK is used to let KASAN know that + * this is not a stack-out-of-bounds error. + */ + if ((READ_ONCE_NOCHECK(*p)) == stack_dump_trace[i]) { stack_dump_trace[x] = stack_dump_trace[i++]; this_size = stack_trace_index[x++] = (top - p) * sizeof(unsigned long); diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 61a0264e28f9..7ff5dc7d2ac5 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -301,7 +301,23 @@ static DEFINE_SPINLOCK(wq_mayday_lock); /* protects wq->maydays list */ static LIST_HEAD(workqueues); /* PR: list of all workqueues */ static bool workqueue_freezing; /* PL: have wqs started freezing? */ -static cpumask_var_t wq_unbound_cpumask; /* PL: low level cpumask for all unbound wqs */ +/* PL: allowable cpus for unbound wqs and work items */ +static cpumask_var_t wq_unbound_cpumask; + +/* CPU where unbound work was last round robin scheduled from this CPU */ +static DEFINE_PER_CPU(int, wq_rr_cpu_last); + +/* + * Local execution of unbound work items is no longer guaranteed. The + * following always forces round-robin CPU selection on unbound work items + * to uncover usages which depend on it. + */ +#ifdef CONFIG_DEBUG_WQ_FORCE_RR_CPU +static bool wq_debug_force_rr_cpu = true; +#else +static bool wq_debug_force_rr_cpu = false; +#endif +module_param_named(debug_force_rr_cpu, wq_debug_force_rr_cpu, bool, 0644); /* the per-cpu worker pools */ static DEFINE_PER_CPU_SHARED_ALIGNED(struct worker_pool [NR_STD_WORKER_POOLS], @@ -570,6 +586,16 @@ static struct pool_workqueue *unbound_pwq_by_node(struct workqueue_struct *wq, int node) { assert_rcu_or_wq_mutex_or_pool_mutex(wq); + + /* + * XXX: @node can be NUMA_NO_NODE if CPU goes offline while a + * delayed item is pending. The plan is to keep CPU -> NODE + * mapping valid and stable across CPU on/offlines. Once that + * happens, this workaround can be removed. + */ + if (unlikely(node == NUMA_NO_NODE)) + return wq->dfl_pwq; + return rcu_dereference_raw(wq->numa_pwq_tbl[node]); } @@ -1298,6 +1324,39 @@ static bool is_chained_work(struct workqueue_struct *wq) return worker && worker->current_pwq->wq == wq; } +/* + * When queueing an unbound work item to a wq, prefer local CPU if allowed + * by wq_unbound_cpumask. Otherwise, round robin among the allowed ones to + * avoid perturbing sensitive tasks. + */ +static int wq_select_unbound_cpu(int cpu) +{ + static bool printed_dbg_warning; + int new_cpu; + + if (likely(!wq_debug_force_rr_cpu)) { + if (cpumask_test_cpu(cpu, wq_unbound_cpumask)) + return cpu; + } else if (!printed_dbg_warning) { + pr_warn("workqueue: round-robin CPU selection forced, expect performance impact\n"); + printed_dbg_warning = true; + } + + if (cpumask_empty(wq_unbound_cpumask)) + return cpu; + + new_cpu = __this_cpu_read(wq_rr_cpu_last); + new_cpu = cpumask_next_and(new_cpu, wq_unbound_cpumask, cpu_online_mask); + if (unlikely(new_cpu >= nr_cpu_ids)) { + new_cpu = cpumask_first_and(wq_unbound_cpumask, cpu_online_mask); + if (unlikely(new_cpu >= nr_cpu_ids)) + return cpu; + } + __this_cpu_write(wq_rr_cpu_last, new_cpu); + + return new_cpu; +} + static void __queue_work(int cpu, struct workqueue_struct *wq, struct work_struct *work) { @@ -1323,7 +1382,7 @@ static void __queue_work(int cpu, struct workqueue_struct *wq, return; retry: if (req_cpu == WORK_CPU_UNBOUND) - cpu = raw_smp_processor_id(); + cpu = wq_select_unbound_cpu(raw_smp_processor_id()); /* pwq which will be used unless @work is executing elsewhere */ if (!(wq->flags & WQ_UNBOUND)) @@ -1464,13 +1523,13 @@ static void __queue_delayed_work(int cpu, struct workqueue_struct *wq, timer_stats_timer_set_start_info(&dwork->timer); dwork->wq = wq; - /* timer isn't guaranteed to run in this cpu, record earlier */ - if (cpu == WORK_CPU_UNBOUND) - cpu = raw_smp_processor_id(); dwork->cpu = cpu; timer->expires = jiffies + delay; - add_timer_on(timer, cpu); + if (unlikely(cpu != WORK_CPU_UNBOUND)) + add_timer_on(timer, cpu); + else + add_timer(timer); } /** @@ -2355,7 +2414,8 @@ static void check_flush_dependency(struct workqueue_struct *target_wq, WARN_ONCE(current->flags & PF_MEMALLOC, "workqueue: PF_MEMALLOC task %d(%s) is flushing !WQ_MEM_RECLAIM %s:%pf", current->pid, current->comm, target_wq->name, target_func); - WARN_ONCE(worker && (worker->current_pwq->wq->flags & WQ_MEM_RECLAIM), + WARN_ONCE(worker && ((worker->current_pwq->wq->flags & + (WQ_MEM_RECLAIM | __WQ_LEGACY)) == WQ_MEM_RECLAIM), "workqueue: WQ_MEM_RECLAIM %s:%pf is flushing !WQ_MEM_RECLAIM %s:%pf", worker->current_pwq->wq->name, worker->current_func, target_wq->name, target_func); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index ecb9e75614bf..8bfd1aca7a3d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1400,6 +1400,21 @@ config RCU_EQS_DEBUG endmenu # "RCU Debugging" +config DEBUG_WQ_FORCE_RR_CPU + bool "Force round-robin CPU selection for unbound work items" + depends on DEBUG_KERNEL + default n + help + Workqueue used to implicitly guarantee that work items queued + without explicit CPU specified are put on the local CPU. This + guarantee is no longer true and while local CPU is still + preferred work items may be put on foreign CPUs. Kernel + parameter "workqueue.debug_force_rr_cpu" is added to force + round-robin CPU selection to flush out usages which depend on the + now broken guarantee. This config option enables the debug + feature by default. When enabled, memory and cache locality will + be impacted. + config DEBUG_BLOCK_EXT_DEVT bool "Force extended block device numbers and spread them" depends on DEBUG_KERNEL diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan index 49518fb48cab..e07c1ba9ba13 100644 --- a/lib/Kconfig.ubsan +++ b/lib/Kconfig.ubsan @@ -18,6 +18,8 @@ config UBSAN_SANITIZE_ALL This option activates instrumentation for the entire kernel. If you don't enable this option, you have to explicitly specify UBSAN_SANITIZE := y for the files/directories you want to check for UB. + Enabling this option will get kernel image size increased + significantly. config UBSAN_ALIGNMENT bool "Enable checking of pointers alignment" @@ -25,5 +27,5 @@ config UBSAN_ALIGNMENT default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS help This option enables detection of unaligned memory accesses. - Enabling this option on architectures that support unalligned + Enabling this option on architectures that support unaligned accesses may produce a lot of false positives. diff --git a/lib/dump_stack.c b/lib/dump_stack.c index 6745c6230db3..c30d07e99dba 100644 --- a/lib/dump_stack.c +++ b/lib/dump_stack.c @@ -25,6 +25,7 @@ static atomic_t dump_lock = ATOMIC_INIT(-1); asmlinkage __visible void dump_stack(void) { + unsigned long flags; int was_locked; int old; int cpu; @@ -33,9 +34,8 @@ asmlinkage __visible void dump_stack(void) * Permit this cpu to perform nested stack dumps while serialising * against other CPUs */ - preempt_disable(); - retry: + local_irq_save(flags); cpu = smp_processor_id(); old = atomic_cmpxchg(&dump_lock, -1, cpu); if (old == -1) { @@ -43,6 +43,7 @@ retry: } else if (old == cpu) { was_locked = 1; } else { + local_irq_restore(flags); cpu_relax(); goto retry; } @@ -52,7 +53,7 @@ retry: if (!was_locked) atomic_set(&dump_lock, -1); - preempt_enable(); + local_irq_restore(flags); } #else asmlinkage __visible void dump_stack(void) diff --git a/lib/klist.c b/lib/klist.c index d74cf7a29afd..0507fa5d84c5 100644 --- a/lib/klist.c +++ b/lib/klist.c @@ -282,9 +282,9 @@ void klist_iter_init_node(struct klist *k, struct klist_iter *i, struct klist_node *n) { i->i_klist = k; - i->i_cur = n; - if (n) - kref_get(&n->n_ref); + i->i_cur = NULL; + if (n && kref_get_unless_zero(&n->n_ref)) + i->i_cur = n; } EXPORT_SYMBOL_GPL(klist_iter_init_node); diff --git a/lib/radix-tree.c b/lib/radix-tree.c index fcf5d98574ce..6b79e9026e24 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -1019,9 +1019,13 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results, return 0; radix_tree_for_each_slot(slot, root, &iter, first_index) { - results[ret] = indirect_to_ptr(rcu_dereference_raw(*slot)); + results[ret] = rcu_dereference_raw(*slot); if (!results[ret]) continue; + if (radix_tree_is_indirect_ptr(results[ret])) { + slot = radix_tree_iter_retry(&iter); + continue; + } if (++ret == max_items) break; } @@ -1098,9 +1102,13 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results, return 0; radix_tree_for_each_tagged(slot, root, &iter, first_index, tag) { - results[ret] = indirect_to_ptr(rcu_dereference_raw(*slot)); + results[ret] = rcu_dereference_raw(*slot); if (!results[ret]) continue; + if (radix_tree_is_indirect_ptr(results[ret])) { + slot = radix_tree_iter_retry(&iter); + continue; + } if (++ret == max_items) break; } diff --git a/lib/scatterlist.c b/lib/scatterlist.c index bafa9933fa76..004fc70fc56a 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -598,9 +598,9 @@ EXPORT_SYMBOL(sg_miter_next); * * Description: * Stops mapping iterator @miter. @miter should have been started - * started using sg_miter_start(). A stopped iteration can be - * resumed by calling sg_miter_next() on it. This is useful when - * resources (kmap) need to be released during iteration. + * using sg_miter_start(). A stopped iteration can be resumed by + * calling sg_miter_next() on it. This is useful when resources (kmap) + * need to be released during iteration. * * Context: * Preemption disabled if the SG_MITER_ATOMIC is set. Don't care diff --git a/lib/test-string_helpers.c b/lib/test-string_helpers.c index 98866a770770..25b5cbfb7615 100644 --- a/lib/test-string_helpers.c +++ b/lib/test-string_helpers.c @@ -327,36 +327,67 @@ out: } #define string_get_size_maxbuf 16 -#define test_string_get_size_one(size, blk_size, units, exp_result) \ +#define test_string_get_size_one(size, blk_size, exp_result10, exp_result2) \ do { \ - BUILD_BUG_ON(sizeof(exp_result) >= string_get_size_maxbuf); \ - __test_string_get_size((size), (blk_size), (units), \ - (exp_result)); \ + BUILD_BUG_ON(sizeof(exp_result10) >= string_get_size_maxbuf); \ + BUILD_BUG_ON(sizeof(exp_result2) >= string_get_size_maxbuf); \ + __test_string_get_size((size), (blk_size), (exp_result10), \ + (exp_result2)); \ } while (0) -static __init void __test_string_get_size(const u64 size, const u64 blk_size, - const enum string_size_units units, - const char *exp_result) +static __init void test_string_get_size_check(const char *units, + const char *exp, + char *res, + const u64 size, + const u64 blk_size) { - char buf[string_get_size_maxbuf]; - - string_get_size(size, blk_size, units, buf, sizeof(buf)); - if (!memcmp(buf, exp_result, strlen(exp_result) + 1)) + if (!memcmp(res, exp, strlen(exp) + 1)) return; - buf[sizeof(buf) - 1] = '\0'; - pr_warn("Test 'test_string_get_size_one' failed!\n"); - pr_warn("string_get_size(size = %llu, blk_size = %llu, units = %d\n", + res[string_get_size_maxbuf - 1] = '\0'; + + pr_warn("Test 'test_string_get_size' failed!\n"); + pr_warn("string_get_size(size = %llu, blk_size = %llu, units = %s)\n", size, blk_size, units); - pr_warn("expected: '%s', got '%s'\n", exp_result, buf); + pr_warn("expected: '%s', got '%s'\n", exp, res); +} + +static __init void __test_string_get_size(const u64 size, const u64 blk_size, + const char *exp_result10, + const char *exp_result2) +{ + char buf10[string_get_size_maxbuf]; + char buf2[string_get_size_maxbuf]; + + string_get_size(size, blk_size, STRING_UNITS_10, buf10, sizeof(buf10)); + string_get_size(size, blk_size, STRING_UNITS_2, buf2, sizeof(buf2)); + + test_string_get_size_check("STRING_UNITS_10", exp_result10, buf10, + size, blk_size); + + test_string_get_size_check("STRING_UNITS_2", exp_result2, buf2, + size, blk_size); } static __init void test_string_get_size(void) { - test_string_get_size_one(16384, 512, STRING_UNITS_2, "8.00 MiB"); - test_string_get_size_one(8192, 4096, STRING_UNITS_10, "32.7 MB"); - test_string_get_size_one(1, 512, STRING_UNITS_10, "512 B"); + /* small values */ + test_string_get_size_one(0, 512, "0 B", "0 B"); + test_string_get_size_one(1, 512, "512 B", "512 B"); + test_string_get_size_one(1100, 1, "1.10 kB", "1.07 KiB"); + + /* normal values */ + test_string_get_size_one(16384, 512, "8.39 MB", "8.00 MiB"); + test_string_get_size_one(500118192, 512, "256 GB", "238 GiB"); + test_string_get_size_one(8192, 4096, "33.6 MB", "32.0 MiB"); + + /* weird block sizes */ + test_string_get_size_one(3000, 1900, "5.70 MB", "5.44 MiB"); + + /* huge values */ + test_string_get_size_one(U64_MAX, 4096, "75.6 ZB", "64.0 ZiB"); + test_string_get_size_one(4096, U64_MAX, "75.6 ZB", "64.0 ZiB"); } static int __init test_string_helpers_init(void) diff --git a/lib/ucs2_string.c b/lib/ucs2_string.c index 6f500ef2301d..f0b323abb4c6 100644 --- a/lib/ucs2_string.c +++ b/lib/ucs2_string.c @@ -49,3 +49,65 @@ ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len) } } EXPORT_SYMBOL(ucs2_strncmp); + +unsigned long +ucs2_utf8size(const ucs2_char_t *src) +{ + unsigned long i; + unsigned long j = 0; + + for (i = 0; i < ucs2_strlen(src); i++) { + u16 c = src[i]; + + if (c >= 0x800) + j += 3; + else if (c >= 0x80) + j += 2; + else + j += 1; + } + + return j; +} +EXPORT_SYMBOL(ucs2_utf8size); + +/* + * copy at most maxlength bytes of whole utf8 characters to dest from the + * ucs2 string src. + * + * The return value is the number of characters copied, not including the + * final NUL character. + */ +unsigned long +ucs2_as_utf8(u8 *dest, const ucs2_char_t *src, unsigned long maxlength) +{ + unsigned int i; + unsigned long j = 0; + unsigned long limit = ucs2_strnlen(src, maxlength); + + for (i = 0; maxlength && i < limit; i++) { + u16 c = src[i]; + + if (c >= 0x800) { + if (maxlength < 3) + break; + maxlength -= 3; + dest[j++] = 0xe0 | (c & 0xf000) >> 12; + dest[j++] = 0x80 | (c & 0x0fc0) >> 6; + dest[j++] = 0x80 | (c & 0x003f); + } else if (c >= 0x80) { + if (maxlength < 2) + break; + maxlength -= 2; + dest[j++] = 0xc0 | (c & 0x7c0) >> 6; + dest[j++] = 0x80 | (c & 0x03f); + } else { + maxlength -= 1; + dest[j++] = c & 0x7f; + } + } + if (maxlength) + dest[j] = '\0'; + return j; +} +EXPORT_SYMBOL(ucs2_as_utf8); diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 48ff9c36644d..f44e178e6ede 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1590,22 +1590,23 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, return buf; } case 'K': - /* - * %pK cannot be used in IRQ context because its test - * for CAP_SYSLOG would be meaningless. - */ - if (kptr_restrict && (in_irq() || in_serving_softirq() || - in_nmi())) { - if (spec.field_width == -1) - spec.field_width = default_width; - return string(buf, end, "pK-error", spec); - } - switch (kptr_restrict) { case 0: /* Always print %pK values */ break; case 1: { + const struct cred *cred; + + /* + * kptr_restrict==1 cannot be used in IRQ context + * because its test for CAP_SYSLOG would be meaningless. + */ + if (in_irq() || in_serving_softirq() || in_nmi()) { + if (spec.field_width == -1) + spec.field_width = default_width; + return string(buf, end, "pK-error", spec); + } + /* * Only print the real pointer value if the current * process has CAP_SYSLOG and is running with the @@ -1615,8 +1616,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, * leak pointer values if a binary opens a file using * %pK and then elevates privileges before reading it. */ - const struct cred *cred = current_cred(); - + cred = current_cred(); if (!has_capability_noaudit(current, CAP_SYSLOG) || !uid_eq(cred->euid, cred->uid) || !gid_eq(cred->egid, cred->gid)) diff --git a/mm/Kconfig b/mm/Kconfig index 97a4e06b15c0..03cbfa072f42 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -624,7 +624,7 @@ config ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT bool config DEFERRED_STRUCT_PAGE_INIT - bool "Defer initialisation of struct pages to kswapd" + bool "Defer initialisation of struct pages to kthreads" default n depends on ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT depends on MEMORY_HOTPLUG @@ -633,9 +633,10 @@ config DEFERRED_STRUCT_PAGE_INIT single thread. On very large machines this can take a considerable amount of time. If this option is set, large machines will bring up a subset of memmap at boot and then initialise the rest in parallel - when kswapd starts. This has a potential performance impact on - processes running early in the lifetime of the systemm until kswapd - finishes the initialisation. + by starting one-off "pgdatinitX" kernel thread for each node X. This + has a potential performance impact on processes running early in the + lifetime of the system until these kthreads finish the + initialisation. config IDLE_PAGE_TRACKING bool "Enable idle page tracking" diff --git a/mm/backing-dev.c b/mm/backing-dev.c index cc5d29d2da9b..c554d173a65f 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -328,7 +328,7 @@ static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi, return 0; out_destroy_stat: - while (--i) + while (i--) percpu_counter_destroy(&wb->stat[i]); fprop_local_destroy_percpu(&wb->completions); out_put_cong: @@ -989,7 +989,7 @@ long wait_iff_congested(struct zone *zone, int sync, long timeout) * here rather than calling cond_resched(). */ if (current->flags & PF_WQ_WORKER) - schedule_timeout(1); + schedule_timeout_uninterruptible(1); else cond_resched(); diff --git a/mm/filemap.c b/mm/filemap.c index bc943867d68c..3461d97ecb30 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -446,7 +446,8 @@ int filemap_write_and_wait(struct address_space *mapping) { int err = 0; - if (mapping->nrpages) { + if ((!dax_mapping(mapping) && mapping->nrpages) || + (dax_mapping(mapping) && mapping->nrexceptional)) { err = filemap_fdatawrite(mapping); /* * Even if the above returned error, the pages may be @@ -482,13 +483,8 @@ int filemap_write_and_wait_range(struct address_space *mapping, { int err = 0; - if (dax_mapping(mapping) && mapping->nrexceptional) { - err = dax_writeback_mapping_range(mapping, lstart, lend); - if (err) - return err; - } - - if (mapping->nrpages) { + if ((!dax_mapping(mapping) && mapping->nrpages) || + (dax_mapping(mapping) && mapping->nrexceptional)) { err = __filemap_fdatawrite_range(mapping, lstart, lend, WB_SYNC_ALL); /* See comment of filemap_write_and_wait() */ @@ -1890,6 +1886,7 @@ EXPORT_SYMBOL(generic_file_read_iter); * page_cache_read - adds requested page to the page cache if not already there * @file: file to read * @offset: page index + * @gfp_mask: memory allocation flags * * This adds the requested page to the page cache if it isn't already there, * and schedules an I/O to read in its contents from disk. @@ -430,10 +430,8 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags) * Anon pages in shared mappings are surprising: now * just reject it. */ - if (!is_cow_mapping(vm_flags)) { - WARN_ON_ONCE(vm_flags & VM_MAYWRITE); + if (!is_cow_mapping(vm_flags)) return -EFAULT; - } } } else if (!(vm_flags & VM_READ)) { if (!(gup_flags & FOLL_FORCE)) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index fd3a07b3e6f4..e10a4fee88d2 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -138,9 +138,6 @@ static struct khugepaged_scan khugepaged_scan = { .mm_head = LIST_HEAD_INIT(khugepaged_scan.mm_head), }; -static DEFINE_SPINLOCK(split_queue_lock); -static LIST_HEAD(split_queue); -static unsigned long split_queue_len; static struct shrinker deferred_split_shrinker; static void set_recommended_min_free_kbytes(void) @@ -861,7 +858,8 @@ static bool set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm, return false; entry = mk_pmd(zero_page, vma->vm_page_prot); entry = pmd_mkhuge(entry); - pgtable_trans_huge_deposit(mm, pmd, pgtable); + if (pgtable) + pgtable_trans_huge_deposit(mm, pmd, pgtable); set_pmd_at(mm, haddr, pmd, entry); atomic_long_inc(&mm->nr_ptes); return true; @@ -1039,13 +1037,15 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, spinlock_t *dst_ptl, *src_ptl; struct page *src_page; pmd_t pmd; - pgtable_t pgtable; + pgtable_t pgtable = NULL; int ret; - ret = -ENOMEM; - pgtable = pte_alloc_one(dst_mm, addr); - if (unlikely(!pgtable)) - goto out; + if (!vma_is_dax(vma)) { + ret = -ENOMEM; + pgtable = pte_alloc_one(dst_mm, addr); + if (unlikely(!pgtable)) + goto out; + } dst_ptl = pmd_lock(dst_mm, dst_pmd); src_ptl = pmd_lockptr(src_mm, src_pmd); @@ -1076,7 +1076,7 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, goto out_unlock; } - if (pmd_trans_huge(pmd)) { + if (!vma_is_dax(vma)) { /* thp accounting separate from pmd_devmap accounting */ src_page = pmd_page(pmd); VM_BUG_ON_PAGE(!PageHead(src_page), src_page); @@ -1700,7 +1700,8 @@ bool move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma, pmd = pmdp_huge_get_and_clear(mm, old_addr, old_pmd); VM_BUG_ON(!pmd_none(*new_pmd)); - if (pmd_move_must_withdraw(new_ptl, old_ptl)) { + if (pmd_move_must_withdraw(new_ptl, old_ptl) && + vma_is_anonymous(vma)) { pgtable_t pgtable; pgtable = pgtable_trans_huge_withdraw(mm, old_pmd); pgtable_trans_huge_deposit(mm, new_pmd, pgtable); @@ -2835,6 +2836,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, pgtable_t pgtable; pmd_t _pmd; bool young, write, dirty; + unsigned long addr; int i; VM_BUG_ON(haddr & ~HPAGE_PMD_MASK); @@ -2860,10 +2862,11 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, young = pmd_young(*pmd); dirty = pmd_dirty(*pmd); + pmdp_huge_split_prepare(vma, haddr, pmd); pgtable = pgtable_trans_huge_withdraw(mm, pmd); pmd_populate(mm, &_pmd, pgtable); - for (i = 0; i < HPAGE_PMD_NR; i++, haddr += PAGE_SIZE) { + for (i = 0, addr = haddr; i < HPAGE_PMD_NR; i++, addr += PAGE_SIZE) { pte_t entry, *pte; /* * Note that NUMA hinting access restrictions are not @@ -2884,9 +2887,9 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, } if (dirty) SetPageDirty(page + i); - pte = pte_offset_map(&_pmd, haddr); + pte = pte_offset_map(&_pmd, addr); BUG_ON(!pte_none(*pte)); - set_pte_at(mm, haddr, pte, entry); + set_pte_at(mm, addr, pte, entry); atomic_inc(&page[i]._mapcount); pte_unmap(pte); } @@ -2936,7 +2939,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, pmd_populate(mm, pmd, pgtable); if (freeze) { - for (i = 0; i < HPAGE_PMD_NR; i++, haddr += PAGE_SIZE) { + for (i = 0; i < HPAGE_PMD_NR; i++) { page_remove_rmap(page + i, false); put_page(page + i); } @@ -3358,6 +3361,7 @@ int total_mapcount(struct page *page) int split_huge_page_to_list(struct page *page, struct list_head *list) { struct page *head = compound_head(page); + struct pglist_data *pgdata = NODE_DATA(page_to_nid(head)); struct anon_vma *anon_vma; int count, mapcount, ret; bool mlocked; @@ -3401,19 +3405,19 @@ int split_huge_page_to_list(struct page *page, struct list_head *list) lru_add_drain(); /* Prevent deferred_split_scan() touching ->_count */ - spin_lock_irqsave(&split_queue_lock, flags); + spin_lock_irqsave(&pgdata->split_queue_lock, flags); count = page_count(head); mapcount = total_mapcount(head); if (!mapcount && count == 1) { if (!list_empty(page_deferred_list(head))) { - split_queue_len--; + pgdata->split_queue_len--; list_del(page_deferred_list(head)); } - spin_unlock_irqrestore(&split_queue_lock, flags); + spin_unlock_irqrestore(&pgdata->split_queue_lock, flags); __split_huge_page(page, list); ret = 0; } else if (IS_ENABLED(CONFIG_DEBUG_VM) && mapcount) { - spin_unlock_irqrestore(&split_queue_lock, flags); + spin_unlock_irqrestore(&pgdata->split_queue_lock, flags); pr_alert("total_mapcount: %u, page_count(): %u\n", mapcount, count); if (PageTail(page)) @@ -3421,7 +3425,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list) dump_page(page, "total_mapcount(head) > 0"); BUG(); } else { - spin_unlock_irqrestore(&split_queue_lock, flags); + spin_unlock_irqrestore(&pgdata->split_queue_lock, flags); unfreeze_page(anon_vma, head); ret = -EBUSY; } @@ -3436,64 +3440,65 @@ out: void free_transhuge_page(struct page *page) { + struct pglist_data *pgdata = NODE_DATA(page_to_nid(page)); unsigned long flags; - spin_lock_irqsave(&split_queue_lock, flags); + spin_lock_irqsave(&pgdata->split_queue_lock, flags); if (!list_empty(page_deferred_list(page))) { - split_queue_len--; + pgdata->split_queue_len--; list_del(page_deferred_list(page)); } - spin_unlock_irqrestore(&split_queue_lock, flags); + spin_unlock_irqrestore(&pgdata->split_queue_lock, flags); free_compound_page(page); } void deferred_split_huge_page(struct page *page) { + struct pglist_data *pgdata = NODE_DATA(page_to_nid(page)); unsigned long flags; VM_BUG_ON_PAGE(!PageTransHuge(page), page); - spin_lock_irqsave(&split_queue_lock, flags); + spin_lock_irqsave(&pgdata->split_queue_lock, flags); if (list_empty(page_deferred_list(page))) { - list_add_tail(page_deferred_list(page), &split_queue); - split_queue_len++; + list_add_tail(page_deferred_list(page), &pgdata->split_queue); + pgdata->split_queue_len++; } - spin_unlock_irqrestore(&split_queue_lock, flags); + spin_unlock_irqrestore(&pgdata->split_queue_lock, flags); } static unsigned long deferred_split_count(struct shrinker *shrink, struct shrink_control *sc) { - /* - * Split a page from split_queue will free up at least one page, - * at most HPAGE_PMD_NR - 1. We don't track exact number. - * Let's use HPAGE_PMD_NR / 2 as ballpark. - */ - return ACCESS_ONCE(split_queue_len) * HPAGE_PMD_NR / 2; + struct pglist_data *pgdata = NODE_DATA(sc->nid); + return ACCESS_ONCE(pgdata->split_queue_len); } static unsigned long deferred_split_scan(struct shrinker *shrink, struct shrink_control *sc) { + struct pglist_data *pgdata = NODE_DATA(sc->nid); unsigned long flags; LIST_HEAD(list), *pos, *next; struct page *page; int split = 0; - spin_lock_irqsave(&split_queue_lock, flags); - list_splice_init(&split_queue, &list); - + spin_lock_irqsave(&pgdata->split_queue_lock, flags); /* Take pin on all head pages to avoid freeing them under us */ - list_for_each_safe(pos, next, &list) { + list_for_each_safe(pos, next, &pgdata->split_queue) { page = list_entry((void *)pos, struct page, mapping); page = compound_head(page); - /* race with put_compound_page() */ - if (!get_page_unless_zero(page)) { + if (get_page_unless_zero(page)) { + list_move(page_deferred_list(page), &list); + } else { + /* We lost race with put_compound_page() */ list_del_init(page_deferred_list(page)); - split_queue_len--; + pgdata->split_queue_len--; } + if (!--sc->nr_to_scan) + break; } - spin_unlock_irqrestore(&split_queue_lock, flags); + spin_unlock_irqrestore(&pgdata->split_queue_lock, flags); list_for_each_safe(pos, next, &list) { page = list_entry((void *)pos, struct page, mapping); @@ -3505,17 +3510,24 @@ static unsigned long deferred_split_scan(struct shrinker *shrink, put_page(page); } - spin_lock_irqsave(&split_queue_lock, flags); - list_splice_tail(&list, &split_queue); - spin_unlock_irqrestore(&split_queue_lock, flags); + spin_lock_irqsave(&pgdata->split_queue_lock, flags); + list_splice_tail(&list, &pgdata->split_queue); + spin_unlock_irqrestore(&pgdata->split_queue_lock, flags); - return split * HPAGE_PMD_NR / 2; + /* + * Stop shrinker if we didn't split any page, but the queue is empty. + * This can happen if pages were freed under us. + */ + if (!split && list_empty(&pgdata->split_queue)) + return SHRINK_STOP; + return split; } static struct shrinker deferred_split_shrinker = { .count_objects = deferred_split_count, .scan_objects = deferred_split_scan, .seeks = DEFAULT_SEEKS, + .flags = SHRINKER_NUMA_AWARE, }; #ifdef CONFIG_DEBUG_FS diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 12908dcf5831..01f2b48c8618 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1001,7 +1001,7 @@ static int hstate_next_node_to_free(struct hstate *h, nodemask_t *nodes_allowed) ((node = hstate_next_node_to_free(hs, mask)) || 1); \ nr_nodes--) -#if defined(CONFIG_CMA) && defined(CONFIG_X86_64) +#if defined(CONFIG_X86_64) && ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA)) static void destroy_compound_gigantic_page(struct page *page, unsigned int order) { @@ -1214,8 +1214,8 @@ void free_huge_page(struct page *page) set_page_private(page, 0); page->mapping = NULL; - BUG_ON(page_count(page)); - BUG_ON(page_mapcount(page)); + VM_BUG_ON_PAGE(page_count(page), page); + VM_BUG_ON_PAGE(page_mapcount(page), page); restore_reserve = PagePrivate(page); ClearPagePrivate(page); @@ -1286,6 +1286,7 @@ static void prep_compound_gigantic_page(struct page *page, unsigned int order) set_page_count(p, 0); set_compound_head(p, page); } + atomic_set(compound_mapcount_ptr(page), -1); } /* @@ -2629,8 +2630,10 @@ static int __init hugetlb_init(void) hugetlb_add_hstate(HUGETLB_PAGE_ORDER); } default_hstate_idx = hstate_index(size_to_hstate(default_hstate_size)); - if (default_hstate_max_huge_pages) - default_hstate.max_huge_pages = default_hstate_max_huge_pages; + if (default_hstate_max_huge_pages) { + if (!default_hstate.max_huge_pages) + default_hstate.max_huge_pages = default_hstate_max_huge_pages; + } hugetlb_init_hstates(); gather_bootmem_prealloc(); diff --git a/mm/internal.h b/mm/internal.h index ed8b5ffcf9b1..a38a21ebddb4 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -216,6 +216,37 @@ static inline bool is_cow_mapping(vm_flags_t flags) return (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; } +/* + * These three helpers classifies VMAs for virtual memory accounting. + */ + +/* + * Executable code area - executable, not writable, not stack + */ +static inline bool is_exec_mapping(vm_flags_t flags) +{ + return (flags & (VM_EXEC | VM_WRITE | VM_STACK)) == VM_EXEC; +} + +/* + * Stack area - atomatically grows in one direction + * + * VM_GROWSUP / VM_GROWSDOWN VMAs are always private anonymous: + * do_mmap() forbids all other combinations. + */ +static inline bool is_stack_mapping(vm_flags_t flags) +{ + return (flags & VM_STACK) == VM_STACK; +} + +/* + * Data area - private, writable, not stack + */ +static inline bool is_data_mapping(vm_flags_t flags) +{ + return (flags & (VM_WRITE | VM_SHARED | VM_STACK)) == VM_WRITE; +} + /* mm/util.c */ void __vma_link_list(struct mm_struct *mm, struct vm_area_struct *vma, struct vm_area_struct *prev, struct rb_node *rb_parent); diff --git a/mm/memblock.c b/mm/memblock.c index d2ed81e59a94..dd7989929f13 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1448,7 +1448,7 @@ void __init __memblock_free_late(phys_addr_t base, phys_addr_t size) * Remaining API functions */ -phys_addr_t __init memblock_phys_mem_size(void) +phys_addr_t __init_memblock memblock_phys_mem_size(void) { return memblock.memory.total_size; } diff --git a/mm/memory.c b/mm/memory.c index 30991f83d0bf..8132787ae4d5 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1591,10 +1591,15 @@ int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr, * than insert_pfn). If a zero_pfn were inserted into a VM_MIXEDMAP * without pte special, it would there be refcounted as a normal page. */ - if (!HAVE_PTE_SPECIAL && pfn_t_valid(pfn)) { + if (!HAVE_PTE_SPECIAL && !pfn_t_devmap(pfn) && pfn_t_valid(pfn)) { struct page *page; - page = pfn_t_to_page(pfn); + /* + * At this point we are committed to insert_page() + * regardless of whether the caller specified flags that + * result in pfn_t_has_page() == false. + */ + page = pfn_to_page(pfn_t_to_pfn(pfn)); return insert_page(vma, addr, page, vma->vm_page_prot); } return insert_pfn(vma, addr, pfn, vma->vm_page_prot); @@ -2232,11 +2237,6 @@ static int wp_page_shared(struct mm_struct *mm, struct vm_area_struct *vma, page_cache_get(old_page); - /* - * Only catch write-faults on shared writable pages, - * read-only shared pages can get COWed by - * get_user_pages(.write=1, .force=1). - */ if (vma->vm_ops && vma->vm_ops->page_mkwrite) { int tmp; @@ -3404,8 +3404,18 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, if (unlikely(pmd_none(*pmd)) && unlikely(__pte_alloc(mm, vma, pmd, address))) return VM_FAULT_OOM; - /* if an huge pmd materialized from under us just retry later */ - if (unlikely(pmd_trans_huge(*pmd) || pmd_devmap(*pmd))) + /* + * If a huge pmd materialized under us just retry later. Use + * pmd_trans_unstable() instead of pmd_trans_huge() to ensure the pmd + * didn't become pmd_trans_huge under us and then back to pmd_none, as + * a result of MADV_DONTNEED running immediately after a huge pmd fault + * in a different thread of this mm, in turn leading to a misleading + * pmd_trans_huge() retval. All we have to ensure is that it is a + * regular pmd that we can walk with pte_offset_map() and we can do that + * through an atomic read in C, which is what pmd_trans_unstable() + * provides. + */ + if (unlikely(pmd_trans_unstable(pmd) || pmd_devmap(*pmd))) return 0; /* * A regular pmd is established and it can't morph into a huge pmd diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 27d135408a22..4c4187c0e1de 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -548,8 +548,7 @@ retry: goto retry; } - if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) - migrate_page_add(page, qp->pagelist, flags); + migrate_page_add(page, qp->pagelist, flags); } pte_unmap_unlock(pte - 1, ptl); cond_resched(); @@ -625,7 +624,7 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end, unsigned long endvma = vma->vm_end; unsigned long flags = qp->flags; - if (vma->vm_flags & VM_PFNMAP) + if (!vma_migratable(vma)) return 1; if (endvma > end) @@ -644,16 +643,13 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end, if (flags & MPOL_MF_LAZY) { /* Similar to task_numa_work, skip inaccessible VMAs */ - if (vma_migratable(vma) && - vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE)) + if (vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE)) change_prot_numa(vma, start, endvma); return 1; } - if ((flags & MPOL_MF_STRICT) || - ((flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) && - vma_migratable(vma))) - /* queue pages from current vma */ + /* queue pages from current vma */ + if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) return 0; return 1; } diff --git a/mm/migrate.c b/mm/migrate.c index b1034f9c77e7..3ad0fea5c438 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1582,7 +1582,7 @@ static struct page *alloc_misplaced_dst_page(struct page *page, (GFP_HIGHUSER_MOVABLE | __GFP_THISNODE | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN) & - ~(__GFP_IO | __GFP_FS), 0); + ~__GFP_RECLAIM, 0); return newpage; } diff --git a/mm/mmap.c b/mm/mmap.c index 84b12624ceb0..76d1ec29149b 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -42,6 +42,7 @@ #include <linux/memory.h> #include <linux/printk.h> #include <linux/userfaultfd_k.h> +#include <linux/moduleparam.h> #include <asm/uaccess.h> #include <asm/cacheflush.h> @@ -69,6 +70,8 @@ const int mmap_rnd_compat_bits_max = CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX; int mmap_rnd_compat_bits __read_mostly = CONFIG_ARCH_MMAP_RND_COMPAT_BITS; #endif +static bool ignore_rlimit_data = true; +core_param(ignore_rlimit_data, ignore_rlimit_data, bool, 0644); static void unmap_region(struct mm_struct *mm, struct vm_area_struct *vma, struct vm_area_struct *prev, @@ -387,8 +390,9 @@ static long vma_compute_subtree_gap(struct vm_area_struct *vma) } #ifdef CONFIG_DEBUG_VM_RB -static int browse_rb(struct rb_root *root) +static int browse_rb(struct mm_struct *mm) { + struct rb_root *root = &mm->mm_rb; int i = 0, j, bug = 0; struct rb_node *nd, *pn = NULL; unsigned long prev = 0, pend = 0; @@ -411,12 +415,14 @@ static int browse_rb(struct rb_root *root) vma->vm_start, vma->vm_end); bug = 1; } + spin_lock(&mm->page_table_lock); if (vma->rb_subtree_gap != vma_compute_subtree_gap(vma)) { pr_emerg("free gap %lx, correct %lx\n", vma->rb_subtree_gap, vma_compute_subtree_gap(vma)); bug = 1; } + spin_unlock(&mm->page_table_lock); i++; pn = nd; prev = vma->vm_start; @@ -453,12 +459,16 @@ static void validate_mm(struct mm_struct *mm) struct vm_area_struct *vma = mm->mmap; while (vma) { + struct anon_vma *anon_vma = vma->anon_vma; struct anon_vma_chain *avc; - vma_lock_anon_vma(vma); - list_for_each_entry(avc, &vma->anon_vma_chain, same_vma) - anon_vma_interval_tree_verify(avc); - vma_unlock_anon_vma(vma); + if (anon_vma) { + anon_vma_lock_read(anon_vma); + list_for_each_entry(avc, &vma->anon_vma_chain, same_vma) + anon_vma_interval_tree_verify(avc); + anon_vma_unlock_read(anon_vma); + } + highest_address = vma->vm_end; vma = vma->vm_next; i++; @@ -472,7 +482,7 @@ static void validate_mm(struct mm_struct *mm) mm->highest_vm_end, highest_address); bug = 1; } - i = browse_rb(&mm->mm_rb); + i = browse_rb(mm); if (i != mm->map_count) { if (i != -1) pr_emerg("map_count %d rb %d\n", mm->map_count, i); @@ -2139,32 +2149,27 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns int expand_upwards(struct vm_area_struct *vma, unsigned long address) { struct mm_struct *mm = vma->vm_mm; - int error; + int error = 0; if (!(vma->vm_flags & VM_GROWSUP)) return -EFAULT; - /* - * We must make sure the anon_vma is allocated - * so that the anon_vma locking is not a noop. - */ + /* Guard against wrapping around to address 0. */ + if (address < PAGE_ALIGN(address+4)) + address = PAGE_ALIGN(address+4); + else + return -ENOMEM; + + /* We must make sure the anon_vma is allocated. */ if (unlikely(anon_vma_prepare(vma))) return -ENOMEM; - vma_lock_anon_vma(vma); /* * vma->vm_start/vm_end cannot change under us because the caller * is required to hold the mmap_sem in read mode. We need the * anon_vma lock to serialize against concurrent expand_stacks. - * Also guard against wrapping around to address 0. */ - if (address < PAGE_ALIGN(address+4)) - address = PAGE_ALIGN(address+4); - else { - vma_unlock_anon_vma(vma); - return -ENOMEM; - } - error = 0; + anon_vma_lock_write(vma->anon_vma); /* Somebody else might have raced and expanded it already */ if (address > vma->vm_end) { @@ -2182,7 +2187,7 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) * updates, but we only hold a shared mmap_sem * lock here, so we need to protect against * concurrent vma expansions. - * vma_lock_anon_vma() doesn't help here, as + * anon_vma_lock_write() doesn't help here, as * we don't guarantee that all growable vmas * in a mm share the same root anon vma. * So, we reuse mm->page_table_lock to guard @@ -2205,7 +2210,7 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) } } } - vma_unlock_anon_vma(vma); + anon_vma_unlock_write(vma->anon_vma); khugepaged_enter_vma_merge(vma, vma->vm_flags); validate_mm(mm); return error; @@ -2221,25 +2226,21 @@ int expand_downwards(struct vm_area_struct *vma, struct mm_struct *mm = vma->vm_mm; int error; - /* - * We must make sure the anon_vma is allocated - * so that the anon_vma locking is not a noop. - */ - if (unlikely(anon_vma_prepare(vma))) - return -ENOMEM; - address &= PAGE_MASK; error = security_mmap_addr(address); if (error) return error; - vma_lock_anon_vma(vma); + /* We must make sure the anon_vma is allocated. */ + if (unlikely(anon_vma_prepare(vma))) + return -ENOMEM; /* * vma->vm_start/vm_end cannot change under us because the caller * is required to hold the mmap_sem in read mode. We need the * anon_vma lock to serialize against concurrent expand_stacks. */ + anon_vma_lock_write(vma->anon_vma); /* Somebody else might have raced and expanded it already */ if (address < vma->vm_start) { @@ -2257,7 +2258,7 @@ int expand_downwards(struct vm_area_struct *vma, * updates, but we only hold a shared mmap_sem * lock here, so we need to protect against * concurrent vma expansions. - * vma_lock_anon_vma() doesn't help here, as + * anon_vma_lock_write() doesn't help here, as * we don't guarantee that all growable vmas * in a mm share the same root anon vma. * So, we reuse mm->page_table_lock to guard @@ -2278,7 +2279,7 @@ int expand_downwards(struct vm_area_struct *vma, } } } - vma_unlock_anon_vma(vma); + anon_vma_unlock_write(vma->anon_vma); khugepaged_enter_vma_merge(vma, vma->vm_flags); validate_mm(mm); return error; @@ -2663,12 +2664,29 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size, if (!vma || !(vma->vm_flags & VM_SHARED)) goto out; - if (start < vma->vm_start || start + size > vma->vm_end) + if (start < vma->vm_start) goto out; - if (pgoff == linear_page_index(vma, start)) { - ret = 0; - goto out; + if (start + size > vma->vm_end) { + struct vm_area_struct *next; + + for (next = vma->vm_next; next; next = next->vm_next) { + /* hole between vmas ? */ + if (next->vm_start != next->vm_prev->vm_end) + goto out; + + if (next->vm_file != vma->vm_file) + goto out; + + if (next->vm_flags != vma->vm_flags) + goto out; + + if (start + size <= next->vm_end) + break; + } + + if (!next) + goto out; } prot |= vma->vm_flags & VM_READ ? PROT_READ : 0; @@ -2678,9 +2696,16 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size, flags &= MAP_NONBLOCK; flags |= MAP_SHARED | MAP_FIXED | MAP_POPULATE; if (vma->vm_flags & VM_LOCKED) { + struct vm_area_struct *tmp; flags |= MAP_LOCKED; + /* drop PG_Mlocked flag for over-mapped range */ - munlock_vma_pages_range(vma, start, start + size); + for (tmp = vma; tmp->vm_start >= start + size; + tmp = tmp->vm_next) { + munlock_vma_pages_range(tmp, + max(tmp->vm_start, start), + min(tmp->vm_end, start + size)); + } } file = get_file(vma->vm_file); @@ -2982,9 +3007,17 @@ bool may_expand_vm(struct mm_struct *mm, vm_flags_t flags, unsigned long npages) if (mm->total_vm + npages > rlimit(RLIMIT_AS) >> PAGE_SHIFT) return false; - if ((flags & (VM_WRITE | VM_SHARED | (VM_STACK_FLAGS & - (VM_GROWSUP | VM_GROWSDOWN)))) == VM_WRITE) - return mm->data_vm + npages <= rlimit(RLIMIT_DATA); + if (is_data_mapping(flags) && + mm->data_vm + npages > rlimit(RLIMIT_DATA) >> PAGE_SHIFT) { + if (ignore_rlimit_data) + pr_warn_once("%s (%d): VmData %lu exceed data ulimit " + "%lu. Will be forbidden soon.\n", + current->comm, current->pid, + (mm->data_vm + npages) << PAGE_SHIFT, + rlimit(RLIMIT_DATA)); + else + return false; + } return true; } @@ -2993,11 +3026,11 @@ void vm_stat_account(struct mm_struct *mm, vm_flags_t flags, long npages) { mm->total_vm += npages; - if ((flags & (VM_EXEC | VM_WRITE)) == VM_EXEC) + if (is_exec_mapping(flags)) mm->exec_vm += npages; - else if (flags & (VM_STACK_FLAGS & (VM_GROWSUP | VM_GROWSDOWN))) + else if (is_stack_mapping(flags)) mm->stack_vm += npages; - else if ((flags & (VM_WRITE | VM_SHARED)) == VM_WRITE) + else if (is_data_mapping(flags)) mm->data_vm += npages; } diff --git a/mm/mprotect.c b/mm/mprotect.c index 8eb7bb40dc40..f7cb3d4d9c2e 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -160,9 +160,11 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, } if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd)) { - if (next - addr != HPAGE_PMD_SIZE) + if (next - addr != HPAGE_PMD_SIZE) { split_huge_pmd(vma, pmd, addr); - else { + if (pmd_none(*pmd)) + continue; + } else { int nr_ptes = change_huge_pmd(vma, pmd, addr, newprot, prot_numa); diff --git a/mm/mremap.c b/mm/mremap.c index d77946a997f7..8eeba02fc991 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -210,6 +210,8 @@ unsigned long move_page_tables(struct vm_area_struct *vma, } } split_huge_pmd(vma, old_pmd, old_addr); + if (pmd_none(*old_pmd)) + continue; VM_BUG_ON(pmd_trans_huge(*old_pmd)); } if (pmd_none(*new_pmd) && __pte_alloc(new_vma->vm_mm, new_vma, diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 63358d9f9aa9..838ca8bb64f7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5210,6 +5210,11 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat) pgdat->numabalancing_migrate_nr_pages = 0; pgdat->numabalancing_migrate_next_window = jiffies; #endif +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + spin_lock_init(&pgdat->split_queue_lock); + INIT_LIST_HEAD(&pgdat->split_queue); + pgdat->split_queue_len = 0; +#endif init_waitqueue_head(&pgdat->kswapd_wait); init_waitqueue_head(&pgdat->pfmemalloc_wait); pgdat_page_ext_init(pgdat); @@ -6615,7 +6620,7 @@ bool is_pageblock_removable_nolock(struct page *page) return !has_unmovable_pages(zone, page, 0, true); } -#ifdef CONFIG_CMA +#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA) static unsigned long pfn_max_align_down(unsigned long pfn) { diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 9d4767698a1c..06a005b979a7 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -90,9 +90,9 @@ pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address, * ARCHes with special requirements for evicting THP backing TLB entries can * implement this. Otherwise also, it can help optimize normal TLB flush in * THP regime. stock flush_tlb_range() typically has optimization to nuke the - * entire TLB TLB if flush span is greater than a threshhold, which will + * entire TLB if flush span is greater than a threshold, which will * likely be true for a single huge page. Thus a single thp flush will - * invalidate the entire TLB which is not desitable. + * invalidate the entire TLB which is not desirable. * e.g. see arch/arc: flush_pmd_tlb_range */ #define flush_pmd_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end) @@ -195,7 +195,9 @@ pmd_t pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long address, VM_BUG_ON(address & ~HPAGE_PMD_MASK); VM_BUG_ON(pmd_trans_huge(*pmdp)); pmd = pmdp_huge_get_and_clear(vma->vm_mm, address, pmdp); - flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE); + + /* collapse entails shooting down ptes not pmd */ + flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); return pmd; } #endif diff --git a/mm/slab.c b/mm/slab.c index 6ecc697a8bc4..621fbcb35a36 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2275,7 +2275,7 @@ __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags) err = setup_cpu_cache(cachep, gfp); if (err) { - __kmem_cache_shutdown(cachep); + __kmem_cache_release(cachep); return err; } @@ -2414,12 +2414,13 @@ int __kmem_cache_shrink(struct kmem_cache *cachep, bool deactivate) int __kmem_cache_shutdown(struct kmem_cache *cachep) { + return __kmem_cache_shrink(cachep, false); +} + +void __kmem_cache_release(struct kmem_cache *cachep) +{ int i; struct kmem_cache_node *n; - int rc = __kmem_cache_shrink(cachep, false); - - if (rc) - return rc; free_percpu(cachep->cpu_cache); @@ -2430,7 +2431,6 @@ int __kmem_cache_shutdown(struct kmem_cache *cachep) kfree(n); cachep->node[i] = NULL; } - return 0; } /* diff --git a/mm/slab.h b/mm/slab.h index 834ad240c0bb..2eedacea439d 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -140,6 +140,7 @@ static inline unsigned long kmem_cache_flags(unsigned long object_size, #define CACHE_CREATE_MASK (SLAB_CORE_FLAGS | SLAB_DEBUG_FLAGS | SLAB_CACHE_FLAGS) int __kmem_cache_shutdown(struct kmem_cache *); +void __kmem_cache_release(struct kmem_cache *); int __kmem_cache_shrink(struct kmem_cache *, bool); void slab_kmem_cache_release(struct kmem_cache *); diff --git a/mm/slab_common.c b/mm/slab_common.c index b50aef01ccf7..065b7bdabdc3 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -693,6 +693,7 @@ static inline int shutdown_memcg_caches(struct kmem_cache *s, void slab_kmem_cache_release(struct kmem_cache *s) { + __kmem_cache_release(s); destroy_memcg_params(s); kfree_const(s->name); kmem_cache_free(kmem_cache, s); diff --git a/mm/slob.c b/mm/slob.c index 17e8f8cc7c53..5ec158054ffe 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -630,6 +630,10 @@ int __kmem_cache_shutdown(struct kmem_cache *c) return 0; } +void __kmem_cache_release(struct kmem_cache *c) +{ +} + int __kmem_cache_shrink(struct kmem_cache *d, bool deactivate) { return 0; diff --git a/mm/slub.c b/mm/slub.c index 2e1355ac056b..d8fbd4a6ed59 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1592,18 +1592,12 @@ static inline void add_partial(struct kmem_cache_node *n, __add_partial(n, page, tail); } -static inline void -__remove_partial(struct kmem_cache_node *n, struct page *page) -{ - list_del(&page->lru); - n->nr_partial--; -} - static inline void remove_partial(struct kmem_cache_node *n, struct page *page) { lockdep_assert_held(&n->list_lock); - __remove_partial(n, page); + list_del(&page->lru); + n->nr_partial--; } /* @@ -3184,6 +3178,12 @@ static void free_kmem_cache_nodes(struct kmem_cache *s) } } +void __kmem_cache_release(struct kmem_cache *s) +{ + free_percpu(s->cpu_slab); + free_kmem_cache_nodes(s); +} + static int init_kmem_cache_nodes(struct kmem_cache *s) { int node; @@ -3443,28 +3443,31 @@ static void list_slab_objects(struct kmem_cache *s, struct page *page, /* * Attempt to free all partial slabs on a node. - * This is called from kmem_cache_close(). We must be the last thread - * using the cache and therefore we do not need to lock anymore. + * This is called from __kmem_cache_shutdown(). We must take list_lock + * because sysfs file might still access partial list after the shutdowning. */ static void free_partial(struct kmem_cache *s, struct kmem_cache_node *n) { struct page *page, *h; + BUG_ON(irqs_disabled()); + spin_lock_irq(&n->list_lock); list_for_each_entry_safe(page, h, &n->partial, lru) { if (!page->inuse) { - __remove_partial(n, page); + remove_partial(n, page); discard_slab(s, page); } else { list_slab_objects(s, page, - "Objects remaining in %s on kmem_cache_close()"); + "Objects remaining in %s on __kmem_cache_shutdown()"); } } + spin_unlock_irq(&n->list_lock); } /* * Release all resources used by a slab cache. */ -static inline int kmem_cache_close(struct kmem_cache *s) +int __kmem_cache_shutdown(struct kmem_cache *s) { int node; struct kmem_cache_node *n; @@ -3476,16 +3479,9 @@ static inline int kmem_cache_close(struct kmem_cache *s) if (n->nr_partial || slabs_node(s, node)) return 1; } - free_percpu(s->cpu_slab); - free_kmem_cache_nodes(s); return 0; } -int __kmem_cache_shutdown(struct kmem_cache *s) -{ - return kmem_cache_close(s); -} - /******************************************************************** * Kmalloc subsystem *******************************************************************/ @@ -3980,7 +3976,7 @@ int __kmem_cache_create(struct kmem_cache *s, unsigned long flags) memcg_propagate_slab_attrs(s); err = sysfs_slab_add(s); if (err) - kmem_cache_close(s); + __kmem_cache_release(s); return err; } diff --git a/mm/util.c b/mm/util.c index c108a6542d05..4fb14ca5a419 100644 --- a/mm/util.c +++ b/mm/util.c @@ -230,36 +230,11 @@ void __vma_link_list(struct mm_struct *mm, struct vm_area_struct *vma, } /* Check if the vma is being used as a stack by this task */ -static int vm_is_stack_for_task(struct task_struct *t, - struct vm_area_struct *vma) +int vma_is_stack_for_task(struct vm_area_struct *vma, struct task_struct *t) { return (vma->vm_start <= KSTK_ESP(t) && vma->vm_end >= KSTK_ESP(t)); } -/* - * Check if the vma is being used as a stack. - * If is_group is non-zero, check in the entire thread group or else - * just check in the current task. Returns the task_struct of the task - * that the vma is stack for. Must be called under rcu_read_lock(). - */ -struct task_struct *task_of_stack(struct task_struct *task, - struct vm_area_struct *vma, bool in_group) -{ - if (vm_is_stack_for_task(task, vma)) - return task; - - if (in_group) { - struct task_struct *t; - - for_each_thread(task, t) { - if (vm_is_stack_for_task(t, vma)) - return t; - } - } - - return NULL; -} - #if defined(CONFIG_MMU) && !defined(HAVE_ARCH_PICK_MMAP_LAYOUT) void arch_pick_mmap_layout(struct mm_struct *mm) { diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 9a6c0704211c..149fdf6c5c56 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -248,9 +248,8 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree, if (tree) { spin_lock(&vmpr->sr_lock); - vmpr->tree_scanned += scanned; + scanned = vmpr->tree_scanned += scanned; vmpr->tree_reclaimed += reclaimed; - scanned = vmpr->scanned; spin_unlock(&vmpr->sr_lock); if (scanned < vmpressure_win) diff --git a/mm/vmscan.c b/mm/vmscan.c index eb3dd37ccd7c..71b1c29948db 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1443,7 +1443,7 @@ int isolate_lru_page(struct page *page) int ret = -EBUSY; VM_BUG_ON_PAGE(!page_count(page), page); - VM_BUG_ON_PAGE(PageTail(page), page); + WARN_RATELIMIT(PageTail(page), "trying to isolate tail page"); if (PageLRU(page)) { struct zone *zone = page_zone(page); diff --git a/mm/vmstat.c b/mm/vmstat.c index 40b2c74ddf16..084c6725b373 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1396,10 +1396,15 @@ static void vmstat_update(struct work_struct *w) * Counters were updated so we expect more updates * to occur in the future. Keep on running the * update worker thread. + * If we were marked on cpu_stat_off clear the flag + * so that vmstat_shepherd doesn't schedule us again. */ - queue_delayed_work_on(smp_processor_id(), vmstat_wq, - this_cpu_ptr(&vmstat_work), - round_jiffies_relative(sysctl_stat_interval)); + if (!cpumask_test_and_clear_cpu(smp_processor_id(), + cpu_stat_off)) { + queue_delayed_work_on(smp_processor_id(), vmstat_wq, + this_cpu_ptr(&vmstat_work), + round_jiffies_relative(sysctl_stat_interval)); + } } else { /* * We did not update any counters so the app may be in @@ -1417,18 +1422,6 @@ static void vmstat_update(struct work_struct *w) * until the diffs stay at zero. The function is used by NOHZ and can only be * invoked when tick processing is not active. */ -void quiet_vmstat(void) -{ - if (system_state != SYSTEM_RUNNING) - return; - - do { - if (!cpumask_test_and_set_cpu(smp_processor_id(), cpu_stat_off)) - cancel_delayed_work(this_cpu_ptr(&vmstat_work)); - - } while (refresh_cpu_vm_stats(false)); -} - /* * Check if the diffs for a certain cpu indicate that * an update is needed. @@ -1452,6 +1445,30 @@ static bool need_update(int cpu) return false; } +void quiet_vmstat(void) +{ + if (system_state != SYSTEM_RUNNING) + return; + + /* + * If we are already in hands of the shepherd then there + * is nothing for us to do here. + */ + if (cpumask_test_and_set_cpu(smp_processor_id(), cpu_stat_off)) + return; + + if (!need_update(smp_processor_id())) + return; + + /* + * Just refresh counters and do not care about the pending delayed + * vmstat_update. It doesn't fire that often to matter and canceling + * it would be too expensive from this path. + * vmstat_shepherd will take care about that for us. + */ + refresh_cpu_vm_stats(false); +} + /* * Shepherd worker thread that checks the @@ -1469,18 +1486,25 @@ static void vmstat_shepherd(struct work_struct *w) get_online_cpus(); /* Check processors whose vmstat worker threads have been disabled */ - for_each_cpu(cpu, cpu_stat_off) - if (need_update(cpu) && - cpumask_test_and_clear_cpu(cpu, cpu_stat_off)) - - queue_delayed_work_on(cpu, vmstat_wq, - &per_cpu(vmstat_work, cpu), 0); + for_each_cpu(cpu, cpu_stat_off) { + struct delayed_work *dw = &per_cpu(vmstat_work, cpu); + if (need_update(cpu)) { + if (cpumask_test_and_clear_cpu(cpu, cpu_stat_off)) + queue_delayed_work_on(cpu, vmstat_wq, dw, 0); + } else { + /* + * Cancel the work if quiet_vmstat has put this + * cpu on cpu_stat_off because the work item might + * be still scheduled + */ + cancel_delayed_work(dw); + } + } put_online_cpus(); schedule_delayed_work(&shepherd, round_jiffies_relative(sysctl_stat_interval)); - } static void __init start_shepherd_timer(void) @@ -1488,7 +1512,7 @@ static void __init start_shepherd_timer(void) int cpu; for_each_possible_cpu(cpu) - INIT_DELAYED_WORK(per_cpu_ptr(&vmstat_work, cpu), + INIT_DEFERRABLE_WORK(per_cpu_ptr(&vmstat_work, cpu), vmstat_update); if (!alloc_cpumask_var(&cpu_stat_off, GFP_KERNEL)) diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index d5871ac493eb..f066781be3c8 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1625,7 +1625,7 @@ static int atalk_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) rt = atrtr_find(&at_hint); } - err = ENETUNREACH; + err = -ENETUNREACH; if (!rt) goto out; diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index e6c8382c79ba..ccf70bed0d0c 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -527,11 +527,12 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, * gets dereferenced. */ spin_lock_bh(&bat_priv->gw.list_lock); - hlist_del_init_rcu(&gw_node->list); + if (!hlist_unhashed(&gw_node->list)) { + hlist_del_init_rcu(&gw_node->list); + batadv_gw_node_free_ref(gw_node); + } spin_unlock_bh(&bat_priv->gw.list_lock); - batadv_gw_node_free_ref(gw_node); - curr_gw = batadv_gw_get_selected_gw_node(bat_priv); if (gw_node == curr_gw) batadv_gw_reselect(bat_priv); diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 01acccc4d218..57f7107169f5 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -76,6 +76,28 @@ out: } /** + * batadv_mutual_parents - check if two devices are each others parent + * @dev1: 1st net_device + * @dev2: 2nd net_device + * + * veth devices come in pairs and each is the parent of the other! + * + * Return: true if the devices are each others parent, otherwise false + */ +static bool batadv_mutual_parents(const struct net_device *dev1, + const struct net_device *dev2) +{ + int dev1_parent_iflink = dev_get_iflink(dev1); + int dev2_parent_iflink = dev_get_iflink(dev2); + + if (!dev1_parent_iflink || !dev2_parent_iflink) + return false; + + return (dev1_parent_iflink == dev2->ifindex) && + (dev2_parent_iflink == dev1->ifindex); +} + +/** * batadv_is_on_batman_iface - check if a device is a batman iface descendant * @net_dev: the device to check * @@ -108,6 +130,9 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev) if (WARN(!parent_dev, "Cannot find parent device")) return false; + if (batadv_mutual_parents(net_dev, parent_dev)) + return false; + ret = batadv_is_on_batman_iface(parent_dev); return ret; diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index cdfc85fa2743..0e80fd1461ab 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -303,9 +303,11 @@ static void batadv_tt_global_size_mod(struct batadv_orig_node *orig_node, if (atomic_add_return(v, &vlan->tt.num_entries) == 0) { spin_lock_bh(&orig_node->vlan_list_lock); - hlist_del_init_rcu(&vlan->list); + if (!hlist_unhashed(&vlan->list)) { + hlist_del_init_rcu(&vlan->list); + batadv_orig_node_vlan_free_ref(vlan); + } spin_unlock_bh(&orig_node->vlan_list_lock); - batadv_orig_node_vlan_free_ref(vlan); } batadv_orig_node_vlan_free_ref(vlan); diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index d040365ba98e..8a4cc2f7f0db 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -307,6 +307,9 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev, /* check that it's our buffer */ if (lowpan_is_ipv6(*skb_network_header(skb))) { + /* Pull off the 1-byte of 6lowpan header. */ + skb_pull(skb, 1); + /* Copy the packet so that the IPv6 header is * properly aligned. */ @@ -317,6 +320,7 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev, local_skb->protocol = htons(ETH_P_IPV6); local_skb->pkt_type = PACKET_HOST; + local_skb->dev = dev; skb_set_transport_header(local_skb, sizeof(struct ipv6hdr)); @@ -335,6 +339,8 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev, if (!local_skb) goto drop; + local_skb->dev = dev; + ret = iphc_decompress(local_skb, dev, chan); if (ret < 0) { kfree_skb(local_skb); @@ -343,7 +349,6 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev, local_skb->protocol = htons(ETH_P_IPV6); local_skb->pkt_type = PACKET_HOST; - local_skb->dev = dev; if (give_skb_to_upper(local_skb, dev) != NET_RX_SUCCESS) { diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 47bcef754796..883c821a9e78 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4112,8 +4112,10 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status, break; } - *req_complete = bt_cb(skb)->hci.req_complete; - *req_complete_skb = bt_cb(skb)->hci.req_complete_skb; + if (bt_cb(skb)->hci.req_flags & HCI_REQ_SKB) + *req_complete_skb = bt_cb(skb)->hci.req_complete_skb; + else + *req_complete = bt_cb(skb)->hci.req_complete; kfree_skb(skb); } spin_unlock_irqrestore(&hdev->cmd_q.lock, flags); diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index 41b5f3813f02..c78ee2dc9323 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -688,21 +688,29 @@ static u8 update_white_list(struct hci_request *req) * command to remove it from the controller. */ list_for_each_entry(b, &hdev->le_white_list, list) { - struct hci_cp_le_del_from_white_list cp; + /* If the device is neither in pend_le_conns nor + * pend_le_reports then remove it from the whitelist. + */ + if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, + &b->bdaddr, b->bdaddr_type) && + !hci_pend_le_action_lookup(&hdev->pend_le_reports, + &b->bdaddr, b->bdaddr_type)) { + struct hci_cp_le_del_from_white_list cp; + + cp.bdaddr_type = b->bdaddr_type; + bacpy(&cp.bdaddr, &b->bdaddr); - if (hci_pend_le_action_lookup(&hdev->pend_le_conns, - &b->bdaddr, b->bdaddr_type) || - hci_pend_le_action_lookup(&hdev->pend_le_reports, - &b->bdaddr, b->bdaddr_type)) { - white_list_entries++; + hci_req_add(req, HCI_OP_LE_DEL_FROM_WHITE_LIST, + sizeof(cp), &cp); continue; } - cp.bdaddr_type = b->bdaddr_type; - bacpy(&cp.bdaddr, &b->bdaddr); + if (hci_find_irk_by_addr(hdev, &b->bdaddr, b->bdaddr_type)) { + /* White list can not be used with RPAs */ + return 0x00; + } - hci_req_add(req, HCI_OP_LE_DEL_FROM_WHITE_LIST, - sizeof(cp), &cp); + white_list_entries++; } /* Since all no longer valid white list entries have been diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 39a5149f3010..eb4f5f24cbe3 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -197,10 +197,20 @@ int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm) chan->sport = psm; err = 0; } else { - u16 p; + u16 p, start, end, incr; + + if (chan->src_type == BDADDR_BREDR) { + start = L2CAP_PSM_DYN_START; + end = L2CAP_PSM_AUTO_END; + incr = 2; + } else { + start = L2CAP_PSM_LE_DYN_START; + end = L2CAP_PSM_LE_DYN_END; + incr = 1; + } err = -EINVAL; - for (p = 0x1001; p < 0x1100; p += 2) + for (p = start; p <= end; p += incr) if (!__l2cap_global_chan_by_addr(cpu_to_le16(p), src)) { chan->psm = cpu_to_le16(p); chan->sport = cpu_to_le16(p); diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 1bb551527044..e4cae72895a7 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -58,7 +58,7 @@ static int l2cap_validate_bredr_psm(u16 psm) return -EINVAL; /* Restrict usage of well-known PSMs */ - if (psm < 0x1001 && !capable(CAP_NET_BIND_SERVICE)) + if (psm < L2CAP_PSM_DYN_START && !capable(CAP_NET_BIND_SERVICE)) return -EACCES; return 0; @@ -67,11 +67,11 @@ static int l2cap_validate_bredr_psm(u16 psm) static int l2cap_validate_le_psm(u16 psm) { /* Valid LE_PSM ranges are defined only until 0x00ff */ - if (psm > 0x00ff) + if (psm > L2CAP_PSM_LE_DYN_END) return -EINVAL; /* Restrict fixed, SIG assigned PSM values to CAP_NET_BIND_SERVICE */ - if (psm <= 0x007f && !capable(CAP_NET_BIND_SERVICE)) + if (psm < L2CAP_PSM_LE_DYN_START && !capable(CAP_NET_BIND_SERVICE)) return -EACCES; return 0; @@ -125,6 +125,9 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) goto done; } + bacpy(&chan->src, &la.l2_bdaddr); + chan->src_type = la.l2_bdaddr_type; + if (la.l2_cid) err = l2cap_add_scid(chan, __le16_to_cpu(la.l2_cid)); else @@ -156,9 +159,6 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) break; } - bacpy(&chan->src, &la.l2_bdaddr); - chan->src_type = la.l2_bdaddr_type; - if (chan->psm && bdaddr_type_is_le(chan->src_type)) chan->mode = L2CAP_MODE_LE_FLOWCTL; diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index ffed8a1d4f27..4b175df35184 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -1072,22 +1072,6 @@ static void smp_notify_keys(struct l2cap_conn *conn) hcon->dst_type = smp->remote_irk->addr_type; queue_work(hdev->workqueue, &conn->id_addr_update_work); } - - /* When receiving an indentity resolving key for - * a remote device that does not use a resolvable - * private address, just remove the key so that - * it is possible to use the controller white - * list for scanning. - * - * Userspace will have been told to not store - * this key at this point. So it is safe to - * just remove it. - */ - if (!bacmp(&smp->remote_irk->rpa, BDADDR_ANY)) { - list_del_rcu(&smp->remote_irk->list); - kfree_rcu(smp->remote_irk, rcu); - smp->remote_irk = NULL; - } } if (smp->csrk) { diff --git a/net/bridge/br.c b/net/bridge/br.c index a1abe4936fe1..3addc05b9a16 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -121,6 +121,7 @@ static struct notifier_block br_device_notifier = { .notifier_call = br_device_event }; +/* called with RTNL */ static int br_switchdev_event(struct notifier_block *unused, unsigned long event, void *ptr) { @@ -130,7 +131,6 @@ static int br_switchdev_event(struct notifier_block *unused, struct switchdev_notifier_fdb_info *fdb_info; int err = NOTIFY_DONE; - rtnl_lock(); p = br_port_get_rtnl(dev); if (!p) goto out; @@ -155,7 +155,6 @@ static int br_switchdev_event(struct notifier_block *unused, } out: - rtnl_unlock(); return err; } diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 30e105f57f0d..74c278e00225 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -425,8 +425,8 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, mp = br_mdb_ip_get(mdb, group); if (!mp) { mp = br_multicast_new_group(br, port, group); - err = PTR_ERR(mp); - if (IS_ERR(mp)) + err = PTR_ERR_OR_ZERO(mp); + if (err) return err; } diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c index 61d7617d9249..b82440e1fcb4 100644 --- a/net/caif/cfrfml.c +++ b/net/caif/cfrfml.c @@ -159,7 +159,7 @@ static int cfrfml_receive(struct cflayer *layr, struct cfpkt *pkt) tmppkt = NULL; /* Verify that length is correct */ - err = EPROTO; + err = -EPROTO; if (rfml->pdu_size != cfpkt_getlen(pkt) - RFM_HEAD_SIZE + 1) goto out; } diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c index 393bfb22d5bb..5fcfb98f309e 100644 --- a/net/ceph/crush/mapper.c +++ b/net/ceph/crush/mapper.c @@ -403,6 +403,7 @@ static int is_out(const struct crush_map *map, * @local_retries: localized retries * @local_fallback_retries: localized fallback retries * @recurse_to_leaf: true if we want one device under each item of given type (chooseleaf instead of choose) + * @stable: stable mode starts rep=0 in the recursive call for all replicas * @vary_r: pass r to recursive calls * @out2: second output vector for leaf items (if @recurse_to_leaf) * @parent_r: r value passed from the parent @@ -419,6 +420,7 @@ static int crush_choose_firstn(const struct crush_map *map, unsigned int local_fallback_retries, int recurse_to_leaf, unsigned int vary_r, + unsigned int stable, int *out2, int parent_r) { @@ -433,13 +435,13 @@ static int crush_choose_firstn(const struct crush_map *map, int collide, reject; int count = out_size; - dprintk("CHOOSE%s bucket %d x %d outpos %d numrep %d tries %d recurse_tries %d local_retries %d local_fallback_retries %d parent_r %d\n", + dprintk("CHOOSE%s bucket %d x %d outpos %d numrep %d tries %d recurse_tries %d local_retries %d local_fallback_retries %d parent_r %d stable %d\n", recurse_to_leaf ? "_LEAF" : "", bucket->id, x, outpos, numrep, tries, recurse_tries, local_retries, local_fallback_retries, - parent_r); + parent_r, stable); - for (rep = outpos; rep < numrep && count > 0 ; rep++) { + for (rep = stable ? 0 : outpos; rep < numrep && count > 0 ; rep++) { /* keep trying until we get a non-out, non-colliding item */ ftotal = 0; skip_rep = 0; @@ -512,13 +514,14 @@ static int crush_choose_firstn(const struct crush_map *map, if (crush_choose_firstn(map, map->buckets[-1-item], weight, weight_max, - x, outpos+1, 0, + x, stable ? 1 : outpos+1, 0, out2, outpos, count, recurse_tries, 0, local_retries, local_fallback_retries, 0, vary_r, + stable, NULL, sub_r) <= outpos) /* didn't get leaf */ @@ -816,6 +819,7 @@ int crush_do_rule(const struct crush_map *map, int choose_local_fallback_retries = map->choose_local_fallback_tries; int vary_r = map->chooseleaf_vary_r; + int stable = map->chooseleaf_stable; if ((__u32)ruleno >= map->max_rules) { dprintk(" bad ruleno %d\n", ruleno); @@ -835,7 +839,8 @@ int crush_do_rule(const struct crush_map *map, case CRUSH_RULE_TAKE: if ((curstep->arg1 >= 0 && curstep->arg1 < map->max_devices) || - (-1-curstep->arg1 < map->max_buckets && + (-1-curstep->arg1 >= 0 && + -1-curstep->arg1 < map->max_buckets && map->buckets[-1-curstep->arg1])) { w[0] = curstep->arg1; wsize = 1; @@ -869,6 +874,11 @@ int crush_do_rule(const struct crush_map *map, vary_r = curstep->arg1; break; + case CRUSH_RULE_SET_CHOOSELEAF_STABLE: + if (curstep->arg1 >= 0) + stable = curstep->arg1; + break; + case CRUSH_RULE_CHOOSELEAF_FIRSTN: case CRUSH_RULE_CHOOSE_FIRSTN: firstn = 1; @@ -888,6 +898,7 @@ int crush_do_rule(const struct crush_map *map, osize = 0; for (i = 0; i < wsize; i++) { + int bno; /* * see CRUSH_N, CRUSH_N_MINUS macros. * basically, numrep <= 0 means relative to @@ -900,6 +911,13 @@ int crush_do_rule(const struct crush_map *map, continue; } j = 0; + /* make sure bucket id is valid */ + bno = -1 - w[i]; + if (bno < 0 || bno >= map->max_buckets) { + /* w[i] is probably CRUSH_ITEM_NONE */ + dprintk(" bad w[i] %d\n", w[i]); + continue; + } if (firstn) { int recurse_tries; if (choose_leaf_tries) @@ -911,7 +929,7 @@ int crush_do_rule(const struct crush_map *map, recurse_tries = choose_tries; osize += crush_choose_firstn( map, - map->buckets[-1-w[i]], + map->buckets[bno], weight, weight_max, x, numrep, curstep->arg2, @@ -923,6 +941,7 @@ int crush_do_rule(const struct crush_map *map, choose_local_fallback_retries, recurse_to_leaf, vary_r, + stable, c+osize, 0); } else { @@ -930,7 +949,7 @@ int crush_do_rule(const struct crush_map *map, numrep : (result_max-osize)); crush_choose_indep( map, - map->buckets[-1-w[i]], + map->buckets[bno], weight, weight_max, x, out_size, numrep, curstep->arg2, diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 9cfedf565f5b..9382619a405b 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -1197,6 +1197,13 @@ static bool ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor, return new_piece; } +static size_t sizeof_footer(struct ceph_connection *con) +{ + return (con->peer_features & CEPH_FEATURE_MSG_AUTH) ? + sizeof(struct ceph_msg_footer) : + sizeof(struct ceph_msg_footer_old); +} + static void prepare_message_data(struct ceph_msg *msg, u32 data_len) { BUG_ON(!msg); @@ -2335,9 +2342,9 @@ static int read_partial_message(struct ceph_connection *con) ceph_pr_addr(&con->peer_addr.in_addr), seq, con->in_seq + 1); con->in_base_pos = -front_len - middle_len - data_len - - sizeof(m->footer); + sizeof_footer(con); con->in_tag = CEPH_MSGR_TAG_READY; - return 0; + return 1; } else if ((s64)seq - (s64)con->in_seq > 1) { pr_err("read_partial_message bad seq %lld expected %lld\n", seq, con->in_seq + 1); @@ -2360,10 +2367,10 @@ static int read_partial_message(struct ceph_connection *con) /* skip this message */ dout("alloc_msg said skip message\n"); con->in_base_pos = -front_len - middle_len - data_len - - sizeof(m->footer); + sizeof_footer(con); con->in_tag = CEPH_MSGR_TAG_READY; con->in_seq++; - return 0; + return 1; } BUG_ON(!con->in_msg); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index f8f235930d88..5bc053778fed 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -1770,6 +1770,7 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg) u32 osdmap_epoch; int already_completed; u32 bytes; + u8 decode_redir; unsigned int i; tid = le64_to_cpu(msg->hdr.tid); @@ -1841,6 +1842,15 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg) p += 8 + 4; /* skip replay_version */ p += 8; /* skip user_version */ + if (le16_to_cpu(msg->hdr.version) >= 7) + ceph_decode_8_safe(&p, end, decode_redir, bad_put); + else + decode_redir = 1; + } else { + decode_redir = 0; + } + + if (decode_redir) { err = ceph_redirect_decode(&p, end, &redir); if (err) goto bad_put; @@ -2843,8 +2853,8 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, mutex_lock(&osdc->request_mutex); req = __lookup_request(osdc, tid); if (!req) { - pr_warn("%s osd%d tid %llu unknown, skipping\n", - __func__, osd->o_osd, tid); + dout("%s osd%d tid %llu unknown, skipping\n", __func__, + osd->o_osd, tid); m = NULL; *skip = 1; goto out; diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 7d8f581d9f1f..243574c8cf33 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -342,23 +342,32 @@ static struct crush_map *crush_decode(void *pbyval, void *end) c->choose_local_tries = ceph_decode_32(p); c->choose_local_fallback_tries = ceph_decode_32(p); c->choose_total_tries = ceph_decode_32(p); - dout("crush decode tunable choose_local_tries = %d", + dout("crush decode tunable choose_local_tries = %d\n", c->choose_local_tries); - dout("crush decode tunable choose_local_fallback_tries = %d", + dout("crush decode tunable choose_local_fallback_tries = %d\n", c->choose_local_fallback_tries); - dout("crush decode tunable choose_total_tries = %d", + dout("crush decode tunable choose_total_tries = %d\n", c->choose_total_tries); ceph_decode_need(p, end, sizeof(u32), done); c->chooseleaf_descend_once = ceph_decode_32(p); - dout("crush decode tunable chooseleaf_descend_once = %d", + dout("crush decode tunable chooseleaf_descend_once = %d\n", c->chooseleaf_descend_once); ceph_decode_need(p, end, sizeof(u8), done); c->chooseleaf_vary_r = ceph_decode_8(p); - dout("crush decode tunable chooseleaf_vary_r = %d", + dout("crush decode tunable chooseleaf_vary_r = %d\n", c->chooseleaf_vary_r); + /* skip straw_calc_version, allowed_bucket_algs */ + ceph_decode_need(p, end, sizeof(u8) + sizeof(u32), done); + *p += sizeof(u8) + sizeof(u32); + + ceph_decode_need(p, end, sizeof(u8), done); + c->chooseleaf_stable = ceph_decode_8(p); + dout("crush decode tunable chooseleaf_stable = %d\n", + c->chooseleaf_stable); + done: dout("crush_decode success\n"); return c; diff --git a/net/core/dev.c b/net/core/dev.c index cc9e3652cf93..0ef061b2badc 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4351,6 +4351,7 @@ static void gro_list_prepare(struct napi_struct *napi, struct sk_buff *skb) diffs = (unsigned long)p->dev ^ (unsigned long)skb->dev; diffs |= p->vlan_tci ^ skb->vlan_tci; + diffs |= skb_metadata_dst_cmp(p, skb); if (maclen == ETH_HLEN) diffs |= compare_ether_header(skb_mac_header(p), skb_mac_header(skb)); @@ -4548,10 +4549,12 @@ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb) break; case GRO_MERGED_FREE: - if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) + if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) { + skb_dst_drop(skb); kmem_cache_free(skbuff_head_cache, skb); - else + } else { __kfree_skb(skb); + } break; case GRO_HELD: @@ -5376,12 +5379,12 @@ void *netdev_lower_get_next(struct net_device *dev, struct list_head **iter) { struct netdev_adjacent *lower; - lower = list_entry((*iter)->next, struct netdev_adjacent, list); + lower = list_entry(*iter, struct netdev_adjacent, list); if (&lower->list == &dev->adj_list.lower) return NULL; - *iter = &lower->list; + *iter = lower->list.next; return lower->dev; } @@ -7419,8 +7422,10 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, dev->priv_flags = IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM; setup(dev); - if (!dev->tx_queue_len) + if (!dev->tx_queue_len) { dev->priv_flags |= IFF_NO_QUEUE; + dev->tx_queue_len = 1; + } dev->num_tx_queues = txqs; dev->real_num_tx_queues = txqs; diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index d79699c9d1b9..12e700332010 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -208,7 +208,6 @@ ip: case htons(ETH_P_IPV6): { const struct ipv6hdr *iph; struct ipv6hdr _iph; - __be32 flow_label; ipv6: iph = __skb_header_pointer(skb, nhoff, sizeof(_iph), data, hlen, &_iph); @@ -230,8 +229,12 @@ ipv6: key_control->addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; } - flow_label = ip6_flowlabel(iph); - if (flow_label) { + if ((dissector_uses_key(flow_dissector, + FLOW_DISSECTOR_KEY_FLOW_LABEL) || + (flags & FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL)) && + ip6_flowlabel(iph)) { + __be32 flow_label = ip6_flowlabel(iph); + if (dissector_uses_key(flow_dissector, FLOW_DISSECTOR_KEY_FLOW_LABEL)) { key_tags = skb_flow_dissector_target(flow_dissector, @@ -396,6 +399,13 @@ ip_proto_again: goto out_bad; proto = eth->h_proto; nhoff += sizeof(*eth); + + /* Cap headers that we access via pointers at the + * end of the Ethernet header as our maximum alignment + * at that point is only 2 bytes. + */ + if (NET_IP_ALIGN) + hlen = nhoff; } key_control->flags |= FLOW_DIS_ENCAPSULATION; diff --git a/net/core/scm.c b/net/core/scm.c index 14596fb37172..2696aefdc148 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -87,6 +87,7 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp) *fplp = fpl; fpl->count = 0; fpl->max = SCM_MAX_FD; + fpl->user = NULL; } fpp = &fpl->fp[fpl->count]; @@ -107,6 +108,10 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp) *fpp++ = file; fpl->count++; } + + if (!fpl->user) + fpl->user = get_uid(current_user()); + return num; } @@ -119,6 +124,7 @@ void __scm_destroy(struct scm_cookie *scm) scm->fp = NULL; for (i=fpl->count-1; i>=0; i--) fput(fpl->fp[i]); + free_uid(fpl->user); kfree(fpl); } } @@ -336,6 +342,7 @@ struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl) for (i = 0; i < fpl->count; i++) get_file(fpl->fp[i]); new_fpl->max = new_fpl->count; + new_fpl->user = get_uid(fpl->user); } return new_fpl; } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index b2df375ec9c2..5bf88f58bee7 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -79,6 +79,8 @@ struct kmem_cache *skbuff_head_cache __read_mostly; static struct kmem_cache *skbuff_fclone_cache __read_mostly; +int sysctl_max_skb_frags __read_mostly = MAX_SKB_FRAGS; +EXPORT_SYMBOL(sysctl_max_skb_frags); /** * skb_panic - private function for out-of-line support diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c index 1df98c557440..e92b759d906c 100644 --- a/net/core/sock_reuseport.c +++ b/net/core/sock_reuseport.c @@ -93,10 +93,17 @@ static struct sock_reuseport *reuseport_grow(struct sock_reuseport *reuse) * @sk2: Socket belonging to the existing reuseport group. * May return ENOMEM and not add socket to group under memory pressure. */ -int reuseport_add_sock(struct sock *sk, const struct sock *sk2) +int reuseport_add_sock(struct sock *sk, struct sock *sk2) { struct sock_reuseport *reuse; + if (!rcu_access_pointer(sk2->sk_reuseport_cb)) { + int err = reuseport_alloc(sk2); + + if (err) + return err; + } + spin_lock_bh(&reuseport_lock); reuse = rcu_dereference_protected(sk2->sk_reuseport_cb, lockdep_is_held(&reuseport_lock)), diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 95b6139d710c..a6beb7b6ae55 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -26,6 +26,7 @@ static int zero = 0; static int one = 1; static int min_sndbuf = SOCK_MIN_SNDBUF; static int min_rcvbuf = SOCK_MIN_RCVBUF; +static int max_skb_frags = MAX_SKB_FRAGS; static int net_msg_warn; /* Unused, but still a sysctl */ @@ -392,6 +393,15 @@ static struct ctl_table net_core_table[] = { .mode = 0644, .proc_handler = proc_dointvec }, + { + .procname = "max_skb_frags", + .data = &sysctl_max_skb_frags, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &one, + .extra2 = &max_skb_frags, + }, { } }; diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 5684e14932bd..902d606324a0 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -824,26 +824,26 @@ lookup: if (sk->sk_state == DCCP_NEW_SYN_RECV) { struct request_sock *req = inet_reqsk(sk); - struct sock *nsk = NULL; + struct sock *nsk; sk = req->rsk_listener; - if (likely(sk->sk_state == DCCP_LISTEN)) { - nsk = dccp_check_req(sk, skb, req); - } else { + if (unlikely(sk->sk_state != DCCP_LISTEN)) { inet_csk_reqsk_queue_drop_and_put(sk, req); goto lookup; } + sock_hold(sk); + nsk = dccp_check_req(sk, skb, req); if (!nsk) { reqsk_put(req); - goto discard_it; + goto discard_and_relse; } if (nsk == sk) { - sock_hold(sk); reqsk_put(req); } else if (dccp_child_process(sk, nsk, skb)) { dccp_v4_ctl_send_reset(sk, skb); - goto discard_it; + goto discard_and_relse; } else { + sock_put(sk); return 0; } } diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 9c6d0508e63a..b8608b71a66d 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -691,26 +691,26 @@ lookup: if (sk->sk_state == DCCP_NEW_SYN_RECV) { struct request_sock *req = inet_reqsk(sk); - struct sock *nsk = NULL; + struct sock *nsk; sk = req->rsk_listener; - if (likely(sk->sk_state == DCCP_LISTEN)) { - nsk = dccp_check_req(sk, skb, req); - } else { + if (unlikely(sk->sk_state != DCCP_LISTEN)) { inet_csk_reqsk_queue_drop_and_put(sk, req); goto lookup; } + sock_hold(sk); + nsk = dccp_check_req(sk, skb, req); if (!nsk) { reqsk_put(req); - goto discard_it; + goto discard_and_relse; } if (nsk == sk) { - sock_hold(sk); reqsk_put(req); } else if (dccp_child_process(sk, nsk, skb)) { dccp_v6_ctl_send_reset(sk, skb); - goto discard_it; + goto discard_and_relse; } else { + sock_put(sk); return 0; } } diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 40b9ca72aae3..ab24521beb4d 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1194,7 +1194,6 @@ int dsa_slave_create(struct dsa_switch *ds, struct device *parent, if (ret) { netdev_err(master, "error %d registering interface %s\n", ret, slave_dev->name); - phy_disconnect(p->phy); ds->ports[port] = NULL; free_netdev(slave_dev); return ret; @@ -1205,6 +1204,7 @@ int dsa_slave_create(struct dsa_switch *ds, struct device *parent, ret = dsa_slave_phy_setup(p, slave_dev); if (ret) { netdev_err(master, "error %d setting up slave phy\n", ret); + unregister_netdev(slave_dev); free_netdev(slave_dev); return ret; } diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index c22920525e5d..775824720b6b 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -353,6 +353,7 @@ config INET_ESP select CRYPTO_CBC select CRYPTO_SHA1 select CRYPTO_DES + select CRYPTO_ECHAINIV ---help--- Support for IPsec ESP. diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index cebd9d31e65a..f6303b17546b 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1847,7 +1847,7 @@ static int inet_netconf_get_devconf(struct sk_buff *in_skb, if (err < 0) goto errout; - err = EINVAL; + err = -EINVAL; if (!tb[NETCONFA_IFINDEX]) goto errout; diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 7aea0ccb6be6..d07fc076bea0 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1394,9 +1394,10 @@ found: struct fib_info *fi = fa->fa_info; int nhsel, err; - if ((index >= (1ul << fa->fa_slen)) && - ((BITS_PER_LONG > KEYLENGTH) || (fa->fa_slen != KEYLENGTH))) - continue; + if ((BITS_PER_LONG > KEYLENGTH) || (fa->fa_slen < KEYLENGTH)) { + if (index >= (1ul << fa->fa_slen)) + continue; + } if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos) continue; if (fi->fib_dead) diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 46b9c887bede..64148914803a 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -789,14 +789,16 @@ static void inet_child_forget(struct sock *sk, struct request_sock *req, reqsk_put(req); } -void inet_csk_reqsk_queue_add(struct sock *sk, struct request_sock *req, - struct sock *child) +struct sock *inet_csk_reqsk_queue_add(struct sock *sk, + struct request_sock *req, + struct sock *child) { struct request_sock_queue *queue = &inet_csk(sk)->icsk_accept_queue; spin_lock(&queue->rskq_lock); if (unlikely(sk->sk_state != TCP_LISTEN)) { inet_child_forget(sk, req, child); + child = NULL; } else { req->sk = child; req->dl_next = NULL; @@ -808,6 +810,7 @@ void inet_csk_reqsk_queue_add(struct sock *sk, struct request_sock *req, sk_acceptq_added(sk); } spin_unlock(&queue->rskq_lock); + return child; } EXPORT_SYMBOL(inet_csk_reqsk_queue_add); @@ -817,11 +820,8 @@ struct sock *inet_csk_complete_hashdance(struct sock *sk, struct sock *child, if (own_req) { inet_csk_reqsk_queue_drop(sk, req); reqsk_queue_removed(&inet_csk(sk)->icsk_accept_queue, req); - inet_csk_reqsk_queue_add(sk, req, child); - /* Warning: caller must not call reqsk_put(req); - * child stole last reference on it. - */ - return child; + if (inet_csk_reqsk_queue_add(sk, req, child)) + return child; } /* Too bad, another child took ownership of the request, undo. */ bh_unlock_sock(child); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 8bb8e7ad8548..6029157a19ed 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -361,13 +361,20 @@ struct sock *inet_diag_find_one_icsk(struct net *net, req->id.idiag_dport, req->id.idiag_src[0], req->id.idiag_sport, req->id.idiag_if); #if IS_ENABLED(CONFIG_IPV6) - else if (req->sdiag_family == AF_INET6) - sk = inet6_lookup(net, hashinfo, - (struct in6_addr *)req->id.idiag_dst, - req->id.idiag_dport, - (struct in6_addr *)req->id.idiag_src, - req->id.idiag_sport, - req->id.idiag_if); + else if (req->sdiag_family == AF_INET6) { + if (ipv6_addr_v4mapped((struct in6_addr *)req->id.idiag_dst) && + ipv6_addr_v4mapped((struct in6_addr *)req->id.idiag_src)) + sk = inet_lookup(net, hashinfo, req->id.idiag_dst[3], + req->id.idiag_dport, req->id.idiag_src[3], + req->id.idiag_sport, req->id.idiag_if); + else + sk = inet6_lookup(net, hashinfo, + (struct in6_addr *)req->id.idiag_dst, + req->id.idiag_dport, + (struct in6_addr *)req->id.idiag_src, + req->id.idiag_sport, + req->id.idiag_if); + } #endif else return ERR_PTR(-EINVAL); diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 3f00810b7288..187c6fcc3027 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -661,6 +661,7 @@ int ip_defrag(struct net *net, struct sk_buff *skb, u32 user) struct ipq *qp; IP_INC_STATS_BH(net, IPSTATS_MIB_REASMREQDS); + skb_orphan(skb); /* Lookup (or create) queue header */ qp = ip_find(net, ip_hdr(skb), user, vif); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 7c51c4e1661f..41ba68de46d8 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1054,8 +1054,9 @@ static const struct net_device_ops gre_tap_netdev_ops = { static void ipgre_tap_setup(struct net_device *dev) { ether_setup(dev); - dev->netdev_ops = &gre_tap_netdev_ops; - dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; + dev->netdev_ops = &gre_tap_netdev_ops; + dev->priv_flags &= ~IFF_TX_SKB_SHARING; + dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; ip_tunnel_setup(dev, gre_tap_net_id); } @@ -1240,6 +1241,14 @@ struct net_device *gretap_fb_dev_create(struct net *net, const char *name, err = ipgre_newlink(net, dev, tb, NULL); if (err < 0) goto out; + + /* openvswitch users expect packet sizes to be unrestricted, + * so set the largest MTU we can. + */ + err = __ip_tunnel_change_mtu(dev, IP_MAX_MTU, false); + if (err) + goto out; + return dev; out: free_netdev(dev); diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index b1209b63381f..d77eb0c3b684 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -316,7 +316,10 @@ static int ip_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb) const struct iphdr *iph = ip_hdr(skb); struct rtable *rt; - if (sysctl_ip_early_demux && !skb_dst(skb) && !skb->sk) { + if (sysctl_ip_early_demux && + !skb_dst(skb) && + !skb->sk && + !ip_is_fragment(iph)) { const struct net_protocol *ipprot; int protocol = iph->protocol; diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 5f73a7c03e27..a50124260f5a 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -249,6 +249,8 @@ int ip_cmsg_send(struct net *net, struct msghdr *msg, struct ipcm_cookie *ipc, switch (cmsg->cmsg_type) { case IP_RETOPTS: err = cmsg->cmsg_len - CMSG_ALIGN(sizeof(struct cmsghdr)); + + /* Our caller is responsible for freeing ipc->opt */ err = ip_options_get(net, &ipc->opt, CMSG_DATA(cmsg), err < 40 ? err : 40); if (err) diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index c7bd72e9b544..89e8861e05fc 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -943,17 +943,31 @@ done: } EXPORT_SYMBOL_GPL(ip_tunnel_ioctl); -int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu) +int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict) { struct ip_tunnel *tunnel = netdev_priv(dev); int t_hlen = tunnel->hlen + sizeof(struct iphdr); + int max_mtu = 0xFFF8 - dev->hard_header_len - t_hlen; - if (new_mtu < 68 || - new_mtu > 0xFFF8 - dev->hard_header_len - t_hlen) + if (new_mtu < 68) return -EINVAL; + + if (new_mtu > max_mtu) { + if (strict) + return -EINVAL; + + new_mtu = max_mtu; + } + dev->mtu = new_mtu; return 0; } +EXPORT_SYMBOL_GPL(__ip_tunnel_change_mtu); + +int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu) +{ + return __ip_tunnel_change_mtu(dev, new_mtu, true); +} EXPORT_SYMBOL_GPL(ip_tunnel_change_mtu); static void ip_tunnel_dev_free(struct net_device *dev) diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 67f7c9de0b16..2ed9dd2b5f2f 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -143,7 +143,11 @@ static char dhcp_client_identifier[253] __initdata; /* Persistent data: */ +#ifdef IPCONFIG_DYNAMIC static int ic_proto_used; /* Protocol used, if any */ +#else +#define ic_proto_used 0 +#endif static __be32 ic_nameservers[CONF_NAMESERVERS_MAX]; /* DNS Server IP addresses */ static u8 ic_domain[64]; /* DNS (not NIS) domain name */ diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c index 6fb869f646bf..a04dee536b8e 100644 --- a/net/ipv4/netfilter/nf_defrag_ipv4.c +++ b/net/ipv4/netfilter/nf_defrag_ipv4.c @@ -27,8 +27,6 @@ static int nf_ct_ipv4_gather_frags(struct net *net, struct sk_buff *skb, { int err; - skb_orphan(skb); - local_bh_disable(); err = ip_defrag(net, skb, user); local_bh_enable(); diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index c117b21b937d..d3a27165f9cc 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -746,8 +746,10 @@ static int ping_v4_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (msg->msg_controllen) { err = ip_cmsg_send(sock_net(sk), msg, &ipc, false); - if (err) + if (unlikely(err)) { + kfree(ipc.opt); return err; + } if (ipc.opt) free = 1; } diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index bc35f1842512..7113bae4e6a0 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -547,8 +547,10 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (msg->msg_controllen) { err = ip_cmsg_send(net, msg, &ipc, false); - if (err) + if (unlikely(err)) { + kfree(ipc.opt); goto out; + } if (ipc.opt) free = 1; } diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 85f184e429c6..02c62299d717 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -129,6 +129,7 @@ static int ip_rt_mtu_expires __read_mostly = 10 * 60 * HZ; static int ip_rt_min_pmtu __read_mostly = 512 + 20 + 20; static int ip_rt_min_advmss __read_mostly = 256; +static int ip_rt_gc_timeout __read_mostly = RT_GC_TIMEOUT; /* * Interface to generic destination cache. */ @@ -755,7 +756,7 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow struct fib_nh *nh = &FIB_RES_NH(res); update_or_create_fnhe(nh, fl4->daddr, new_gw, - 0, 0); + 0, jiffies + ip_rt_gc_timeout); } if (kill_route) rt->dst.obsolete = DST_OBSOLETE_KILL; @@ -1556,6 +1557,36 @@ static void ip_handle_martian_source(struct net_device *dev, #endif } +static void ip_del_fnhe(struct fib_nh *nh, __be32 daddr) +{ + struct fnhe_hash_bucket *hash; + struct fib_nh_exception *fnhe, __rcu **fnhe_p; + u32 hval = fnhe_hashfun(daddr); + + spin_lock_bh(&fnhe_lock); + + hash = rcu_dereference_protected(nh->nh_exceptions, + lockdep_is_held(&fnhe_lock)); + hash += hval; + + fnhe_p = &hash->chain; + fnhe = rcu_dereference_protected(*fnhe_p, lockdep_is_held(&fnhe_lock)); + while (fnhe) { + if (fnhe->fnhe_daddr == daddr) { + rcu_assign_pointer(*fnhe_p, rcu_dereference_protected( + fnhe->fnhe_next, lockdep_is_held(&fnhe_lock))); + fnhe_flush_routes(fnhe); + kfree_rcu(fnhe, rcu); + break; + } + fnhe_p = &fnhe->fnhe_next; + fnhe = rcu_dereference_protected(fnhe->fnhe_next, + lockdep_is_held(&fnhe_lock)); + } + + spin_unlock_bh(&fnhe_lock); +} + /* called in rcu_read_lock() section */ static int __mkroute_input(struct sk_buff *skb, const struct fib_result *res, @@ -1609,11 +1640,20 @@ static int __mkroute_input(struct sk_buff *skb, fnhe = find_exception(&FIB_RES_NH(*res), daddr); if (do_cache) { - if (fnhe) + if (fnhe) { rth = rcu_dereference(fnhe->fnhe_rth_input); - else - rth = rcu_dereference(FIB_RES_NH(*res).nh_rth_input); + if (rth && rth->dst.expires && + time_after(jiffies, rth->dst.expires)) { + ip_del_fnhe(&FIB_RES_NH(*res), daddr); + fnhe = NULL; + } else { + goto rt_cache; + } + } + + rth = rcu_dereference(FIB_RES_NH(*res).nh_rth_input); +rt_cache: if (rt_cache_valid(rth)) { skb_dst_set_noref(skb, &rth->dst); goto out; @@ -2014,19 +2054,29 @@ static struct rtable *__mkroute_output(const struct fib_result *res, struct fib_nh *nh = &FIB_RES_NH(*res); fnhe = find_exception(nh, fl4->daddr); - if (fnhe) + if (fnhe) { prth = &fnhe->fnhe_rth_output; - else { - if (unlikely(fl4->flowi4_flags & - FLOWI_FLAG_KNOWN_NH && - !(nh->nh_gw && - nh->nh_scope == RT_SCOPE_LINK))) { - do_cache = false; - goto add; + rth = rcu_dereference(*prth); + if (rth && rth->dst.expires && + time_after(jiffies, rth->dst.expires)) { + ip_del_fnhe(nh, fl4->daddr); + fnhe = NULL; + } else { + goto rt_cache; } - prth = raw_cpu_ptr(nh->nh_pcpu_rth_output); } + + if (unlikely(fl4->flowi4_flags & + FLOWI_FLAG_KNOWN_NH && + !(nh->nh_gw && + nh->nh_scope == RT_SCOPE_LINK))) { + do_cache = false; + goto add; + } + prth = raw_cpu_ptr(nh->nh_pcpu_rth_output); rth = rcu_dereference(*prth); + +rt_cache: if (rt_cache_valid(rth)) { dst_hold(&rth->dst); return rth; @@ -2569,7 +2619,6 @@ void ip_rt_multicast_event(struct in_device *in_dev) } #ifdef CONFIG_SYSCTL -static int ip_rt_gc_timeout __read_mostly = RT_GC_TIMEOUT; static int ip_rt_gc_interval __read_mostly = 60 * HZ; static int ip_rt_gc_min_interval __read_mostly = HZ / 2; static int ip_rt_gc_elasticity __read_mostly = 8; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index fd17eec93525..483ffdf5aa4d 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -279,6 +279,7 @@ #include <asm/uaccess.h> #include <asm/ioctls.h> +#include <asm/unaligned.h> #include <net/busy_poll.h> int sysctl_tcp_fin_timeout __read_mostly = TCP_FIN_TIMEOUT; @@ -939,7 +940,7 @@ new_segment: i = skb_shinfo(skb)->nr_frags; can_coalesce = skb_can_coalesce(skb, i, page, offset); - if (!can_coalesce && i >= MAX_SKB_FRAGS) { + if (!can_coalesce && i >= sysctl_max_skb_frags) { tcp_mark_push(tp, skb); goto new_segment; } @@ -1212,7 +1213,7 @@ new_segment: if (!skb_can_coalesce(skb, i, pfrag->page, pfrag->offset)) { - if (i == MAX_SKB_FRAGS || !sg) { + if (i == sysctl_max_skb_frags || !sg) { tcp_mark_push(tp, skb); goto new_segment; } @@ -2638,6 +2639,7 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) const struct inet_connection_sock *icsk = inet_csk(sk); u32 now = tcp_time_stamp; unsigned int start; + u64 rate64; u32 rate; memset(info, 0, sizeof(*info)); @@ -2703,15 +2705,17 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) info->tcpi_total_retrans = tp->total_retrans; rate = READ_ONCE(sk->sk_pacing_rate); - info->tcpi_pacing_rate = rate != ~0U ? rate : ~0ULL; + rate64 = rate != ~0U ? rate : ~0ULL; + put_unaligned(rate64, &info->tcpi_pacing_rate); rate = READ_ONCE(sk->sk_max_pacing_rate); - info->tcpi_max_pacing_rate = rate != ~0U ? rate : ~0ULL; + rate64 = rate != ~0U ? rate : ~0ULL; + put_unaligned(rate64, &info->tcpi_max_pacing_rate); do { start = u64_stats_fetch_begin_irq(&tp->syncp); - info->tcpi_bytes_acked = tp->bytes_acked; - info->tcpi_bytes_received = tp->bytes_received; + put_unaligned(tp->bytes_acked, &info->tcpi_bytes_acked); + put_unaligned(tp->bytes_received, &info->tcpi_bytes_received); } while (u64_stats_fetch_retry_irq(&tp->syncp, start)); info->tcpi_segs_out = tp->segs_out; info->tcpi_segs_in = tp->segs_in; @@ -2946,7 +2950,7 @@ static void __tcp_alloc_md5sig_pool(void) struct crypto_hash *hash; hash = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR_OR_NULL(hash)) + if (IS_ERR(hash)) return; per_cpu(tcp_md5sig_pool, cpu).md5_desc.tfm = hash; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 0003d409fec5..3b2c8e90a475 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2164,8 +2164,7 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) { struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - int cnt, oldcnt; - int err; + int cnt, oldcnt, lost; unsigned int mss; /* Use SACK to deduce losses of new sequences sent during recovery */ const u32 loss_high = tcp_is_sack(tp) ? tp->snd_nxt : tp->high_seq; @@ -2205,9 +2204,10 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) break; mss = tcp_skb_mss(skb); - err = tcp_fragment(sk, skb, (packets - oldcnt) * mss, - mss, GFP_ATOMIC); - if (err < 0) + /* If needed, chop off the prefix to mark as lost. */ + lost = (packets - oldcnt) * mss; + if (lost < skb->len && + tcp_fragment(sk, skb, lost, mss, GFP_ATOMIC) < 0) break; cnt = packets; } @@ -2366,8 +2366,6 @@ static void tcp_undo_cwnd_reduction(struct sock *sk, bool unmark_loss) tp->snd_ssthresh = tp->prior_ssthresh; tcp_ecn_withdraw_cwr(tp); } - } else { - tp->snd_cwnd = max(tp->snd_cwnd, tp->snd_ssthresh); } tp->snd_cwnd_stamp = tcp_time_stamp; tp->undo_marker = 0; @@ -2898,7 +2896,10 @@ static void tcp_update_rtt_min(struct sock *sk, u32 rtt_us) { const u32 now = tcp_time_stamp, wlen = sysctl_tcp_min_rtt_wlen * HZ; struct rtt_meas *m = tcp_sk(sk)->rtt_min; - struct rtt_meas rttm = { .rtt = (rtt_us ? : 1), .ts = now }; + struct rtt_meas rttm = { + .rtt = likely(rtt_us) ? rtt_us : jiffies_to_usecs(1), + .ts = now, + }; u32 elapsed; /* Check if the new measurement updates the 1st, 2nd, or 3rd choices */ diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 5ced3e4013e3..487ac67059e2 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -311,7 +311,7 @@ static void do_redirect(struct sk_buff *skb, struct sock *sk) /* handle ICMP messages on TCP_NEW_SYN_RECV request sockets */ -void tcp_req_err(struct sock *sk, u32 seq) +void tcp_req_err(struct sock *sk, u32 seq, bool abort) { struct request_sock *req = inet_reqsk(sk); struct net *net = sock_net(sk); @@ -323,7 +323,7 @@ void tcp_req_err(struct sock *sk, u32 seq) if (seq != tcp_rsk(req)->snt_isn) { NET_INC_STATS_BH(net, LINUX_MIB_OUTOFWINDOWICMPS); - } else { + } else if (abort) { /* * Still in SYN_RECV, just remove it silently. * There is no good way to pass the error to the newly @@ -383,7 +383,12 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) } seq = ntohl(th->seq); if (sk->sk_state == TCP_NEW_SYN_RECV) - return tcp_req_err(sk, seq); + return tcp_req_err(sk, seq, + type == ICMP_PARAMETERPROB || + type == ICMP_TIME_EXCEEDED || + (type == ICMP_DEST_UNREACH && + (code == ICMP_NET_UNREACH || + code == ICMP_HOST_UNREACH))); bh_lock_sock(sk); /* If too many ICMPs get dropped on busy @@ -707,7 +712,8 @@ release_sk1: outside socket context is ugly, certainly. What can I do? */ -static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack, +static void tcp_v4_send_ack(struct net *net, + struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 tsval, u32 tsecr, int oif, struct tcp_md5sig_key *key, int reply_flags, u8 tos) @@ -722,7 +728,6 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack, ]; } rep; struct ip_reply_arg arg; - struct net *net = dev_net(skb_dst(skb)->dev); memset(&rep.th, 0, sizeof(struct tcphdr)); memset(&arg, 0, sizeof(arg)); @@ -784,7 +789,8 @@ static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb) struct inet_timewait_sock *tw = inet_twsk(sk); struct tcp_timewait_sock *tcptw = tcp_twsk(sk); - tcp_v4_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt, + tcp_v4_send_ack(sock_net(sk), skb, + tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt, tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale, tcp_time_stamp + tcptw->tw_ts_offset, tcptw->tw_ts_recent, @@ -803,8 +809,10 @@ static void tcp_v4_reqsk_send_ack(const struct sock *sk, struct sk_buff *skb, /* sk->sk_state == TCP_LISTEN -> for regular TCP_SYN_RECV * sk->sk_state == TCP_SYN_RECV -> for Fast Open. */ - tcp_v4_send_ack(skb, (sk->sk_state == TCP_LISTEN) ? - tcp_rsk(req)->snt_isn + 1 : tcp_sk(sk)->snd_nxt, + u32 seq = (sk->sk_state == TCP_LISTEN) ? tcp_rsk(req)->snt_isn + 1 : + tcp_sk(sk)->snd_nxt; + + tcp_v4_send_ack(sock_net(sk), skb, seq, tcp_rsk(req)->rcv_nxt, req->rsk_rcv_wnd, tcp_time_stamp, req->ts_recent, @@ -1589,28 +1597,30 @@ process: if (sk->sk_state == TCP_NEW_SYN_RECV) { struct request_sock *req = inet_reqsk(sk); - struct sock *nsk = NULL; + struct sock *nsk; sk = req->rsk_listener; - if (tcp_v4_inbound_md5_hash(sk, skb)) - goto discard_and_relse; - if (likely(sk->sk_state == TCP_LISTEN)) { - nsk = tcp_check_req(sk, skb, req, false); - } else { + if (unlikely(tcp_v4_inbound_md5_hash(sk, skb))) { + reqsk_put(req); + goto discard_it; + } + if (unlikely(sk->sk_state != TCP_LISTEN)) { inet_csk_reqsk_queue_drop_and_put(sk, req); goto lookup; } + sock_hold(sk); + nsk = tcp_check_req(sk, skb, req, false); if (!nsk) { reqsk_put(req); - goto discard_it; + goto discard_and_relse; } if (nsk == sk) { - sock_hold(sk); reqsk_put(req); } else if (tcp_child_process(sk, nsk, skb)) { tcp_v4_send_reset(nsk, skb); - goto discard_it; + goto discard_and_relse; } else { + sock_put(sk); return 0; } } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index dc45b538e237..95d2f198017e 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -499,6 +499,7 @@ static struct sock *udp4_lib_lookup2(struct net *net, struct sock *sk, *result; struct hlist_nulls_node *node; int score, badness, matches = 0, reuseport = 0; + bool select_ok = true; u32 hash = 0; begin: @@ -512,14 +513,18 @@ begin: badness = score; reuseport = sk->sk_reuseport; if (reuseport) { - struct sock *sk2; hash = udp_ehashfn(net, daddr, hnum, saddr, sport); - sk2 = reuseport_select_sock(sk, hash, skb, - sizeof(struct udphdr)); - if (sk2) { - result = sk2; - goto found; + if (select_ok) { + struct sock *sk2; + + sk2 = reuseport_select_sock(sk, hash, skb, + sizeof(struct udphdr)); + if (sk2) { + result = sk2; + select_ok = false; + goto found; + } } matches = 1; } @@ -563,6 +568,7 @@ struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr, unsigned int hash2, slot2, slot = udp_hashfn(net, hnum, udptable->mask); struct udp_hslot *hslot2, *hslot = &udptable->hash[slot]; int score, badness, matches = 0, reuseport = 0; + bool select_ok = true; u32 hash = 0; rcu_read_lock(); @@ -601,14 +607,18 @@ begin: badness = score; reuseport = sk->sk_reuseport; if (reuseport) { - struct sock *sk2; hash = udp_ehashfn(net, daddr, hnum, saddr, sport); - sk2 = reuseport_select_sock(sk, hash, skb, + if (select_ok) { + struct sock *sk2; + + sk2 = reuseport_select_sock(sk, hash, skb, sizeof(struct udphdr)); - if (sk2) { - result = sk2; - goto found; + if (sk2) { + result = sk2; + select_ok = false; + goto found; + } } matches = 1; } @@ -1038,8 +1048,10 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (msg->msg_controllen) { err = ip_cmsg_send(sock_net(sk), msg, &ipc, sk->sk_family == AF_INET6); - if (err) + if (unlikely(err)) { + kfree(ipc.opt); return err; + } if (ipc.opt) free = 1; connected = 0; diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index bb7dabe2ebbf..40c897515ddc 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -69,6 +69,7 @@ config INET6_ESP select CRYPTO_CBC select CRYPTO_SHA1 select CRYPTO_DES + select CRYPTO_ECHAINIV ---help--- Support for IPsec ESP. diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 38eeddedfc21..bdd7eac4307a 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -583,7 +583,7 @@ static int inet6_netconf_get_devconf(struct sk_buff *in_skb, if (err < 0) goto errout; - err = EINVAL; + err = -EINVAL; if (!tb[NETCONFA_IFINDEX]) goto errout; @@ -3538,6 +3538,7 @@ static void addrconf_dad_begin(struct inet6_ifaddr *ifp) { struct inet6_dev *idev = ifp->idev; struct net_device *dev = idev->dev; + bool notify = false; addrconf_join_solict(dev, &ifp->addr); @@ -3583,7 +3584,7 @@ static void addrconf_dad_begin(struct inet6_ifaddr *ifp) /* Because optimistic nodes can use this address, * notify listeners. If DAD fails, RTM_DELADDR is sent. */ - ipv6_ifa_notify(RTM_NEWADDR, ifp); + notify = true; } } @@ -3591,6 +3592,8 @@ static void addrconf_dad_begin(struct inet6_ifaddr *ifp) out: spin_unlock(&ifp->lock); read_unlock_bh(&idev->lock); + if (notify) + ipv6_ifa_notify(RTM_NEWADDR, ifp); } static void addrconf_dad_start(struct inet6_ifaddr *ifp) diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 517c55b01ba8..428162155280 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -162,6 +162,9 @@ ipv4_connected: fl6.fl6_dport = inet->inet_dport; fl6.fl6_sport = inet->inet_sport; + if (!fl6.flowi6_oif) + fl6.flowi6_oif = np->sticky_pktinfo.ipi6_ifindex; + if (!fl6.flowi6_oif && (addr_type&IPV6_ADDR_MULTICAST)) fl6.flowi6_oif = np->mcast_oif; diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 1f9ebe3cbb4a..dc2db4f7b182 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -540,12 +540,13 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen) } spin_lock_bh(&ip6_sk_fl_lock); for (sflp = &np->ipv6_fl_list; - (sfl = rcu_dereference(*sflp)) != NULL; + (sfl = rcu_dereference_protected(*sflp, + lockdep_is_held(&ip6_sk_fl_lock))) != NULL; sflp = &sfl->next) { if (sfl->fl->label == freq.flr_label) { if (freq.flr_label == (np->flow_label&IPV6_FLOWLABEL_MASK)) np->flow_label &= ~IPV6_FLOWLABEL_MASK; - *sflp = rcu_dereference(sfl->next); + *sflp = sfl->next; spin_unlock_bh(&ip6_sk_fl_lock); fl_release(sfl->fl); kfree_rcu(sfl, rcu); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index f37f18b6b40c..a69aad1e29d1 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1512,6 +1512,7 @@ static void ip6gre_tap_setup(struct net_device *dev) dev->destructor = ip6gre_dev_free; dev->features |= NETIF_F_NETNS_LOCAL; + dev->priv_flags &= ~IFF_TX_SKB_SHARING; } static int ip6gre_newlink(struct net *src_net, struct net_device *dev, diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 23de98f976d5..a163102f1803 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -909,6 +909,7 @@ static int ip6_dst_lookup_tail(struct net *net, const struct sock *sk, struct rt6_info *rt; #endif int err; + int flags = 0; /* The correct way to handle this would be to do * ip6_route_get_saddr, and then ip6_route_output; however, @@ -940,10 +941,13 @@ static int ip6_dst_lookup_tail(struct net *net, const struct sock *sk, dst_release(*dst); *dst = NULL; } + + if (fl6->flowi6_oif) + flags |= RT6_LOOKUP_F_IFACE; } if (!*dst) - *dst = ip6_route_output(net, sk, fl6); + *dst = ip6_route_output_flags(net, sk, fl6, flags); err = (*dst)->error; if (err) diff --git a/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c b/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c index 31ba7ca19757..051b6a6bfff6 100644 --- a/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c +++ b/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c @@ -21,6 +21,10 @@ #include <net/ipv6.h> #include <net/netfilter/ipv6/nf_nat_masquerade.h> +#define MAX_WORK_COUNT 16 + +static atomic_t v6_worker_count; + unsigned int nf_nat_masquerade_ipv6(struct sk_buff *skb, const struct nf_nat_range *range, const struct net_device *out) @@ -78,14 +82,78 @@ static struct notifier_block masq_dev_notifier = { .notifier_call = masq_device_event, }; +struct masq_dev_work { + struct work_struct work; + struct net *net; + int ifindex; +}; + +static void iterate_cleanup_work(struct work_struct *work) +{ + struct masq_dev_work *w; + long index; + + w = container_of(work, struct masq_dev_work, work); + + index = w->ifindex; + nf_ct_iterate_cleanup(w->net, device_cmp, (void *)index, 0, 0); + + put_net(w->net); + kfree(w); + atomic_dec(&v6_worker_count); + module_put(THIS_MODULE); +} + +/* ipv6 inet notifier is an atomic notifier, i.e. we cannot + * schedule. + * + * Unfortunately, nf_ct_iterate_cleanup can run for a long + * time if there are lots of conntracks and the system + * handles high softirq load, so it frequently calls cond_resched + * while iterating the conntrack table. + * + * So we defer nf_ct_iterate_cleanup walk to the system workqueue. + * + * As we can have 'a lot' of inet_events (depending on amount + * of ipv6 addresses being deleted), we also need to add an upper + * limit to the number of queued work items. + */ static int masq_inet_event(struct notifier_block *this, unsigned long event, void *ptr) { struct inet6_ifaddr *ifa = ptr; - struct netdev_notifier_info info; + const struct net_device *dev; + struct masq_dev_work *w; + struct net *net; + + if (event != NETDEV_DOWN || + atomic_read(&v6_worker_count) >= MAX_WORK_COUNT) + return NOTIFY_DONE; + + dev = ifa->idev->dev; + net = maybe_get_net(dev_net(dev)); + if (!net) + return NOTIFY_DONE; - netdev_notifier_info_init(&info, ifa->idev->dev); - return masq_device_event(this, event, &info); + if (!try_module_get(THIS_MODULE)) + goto err_module; + + w = kmalloc(sizeof(*w), GFP_ATOMIC); + if (w) { + atomic_inc(&v6_worker_count); + + INIT_WORK(&w->work, iterate_cleanup_work); + w->ifindex = dev->ifindex; + w->net = net; + schedule_work(&w->work); + + return NOTIFY_DONE; + } + + module_put(THIS_MODULE); + err_module: + put_net(net); + return NOTIFY_DONE; } static struct notifier_block masq_inet_notifier = { diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 3c8834bc822d..ed446639219c 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1183,11 +1183,10 @@ static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table return ip6_pol_route(net, table, fl6->flowi6_oif, fl6, flags); } -struct dst_entry *ip6_route_output(struct net *net, const struct sock *sk, - struct flowi6 *fl6) +struct dst_entry *ip6_route_output_flags(struct net *net, const struct sock *sk, + struct flowi6 *fl6, int flags) { struct dst_entry *dst; - int flags = 0; bool any_src; dst = l3mdev_rt6_dst_by_oif(net, fl6); @@ -1208,7 +1207,7 @@ struct dst_entry *ip6_route_output(struct net *net, const struct sock *sk, return fib6_rule_lookup(net, fl6, flags, ip6_pol_route_output); } -EXPORT_SYMBOL(ip6_route_output); +EXPORT_SYMBOL_GPL(ip6_route_output_flags); struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_orig) { diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index e794ef66a401..2066d1c25a11 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -201,14 +201,14 @@ static int ipip6_tunnel_create(struct net_device *dev) if ((__force u16)t->parms.i_flags & SIT_ISATAP) dev->priv_flags |= IFF_ISATAP; + dev->rtnl_link_ops = &sit_link_ops; + err = register_netdevice(dev); if (err < 0) goto out; ipip6_tunnel_clone_6rd(dev, sitn); - dev->rtnl_link_ops = &sit_link_ops; - dev_hold(dev); ipip6_tunnel_link(sitn, t); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 006396e31cb0..5c8c84273028 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -327,6 +327,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, struct tcp_sock *tp; __u32 seq, snd_una; struct sock *sk; + bool fatal; int err; sk = __inet6_lookup_established(net, &tcp_hashinfo, @@ -345,8 +346,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, return; } seq = ntohl(th->seq); + fatal = icmpv6_err_convert(type, code, &err); if (sk->sk_state == TCP_NEW_SYN_RECV) - return tcp_req_err(sk, seq); + return tcp_req_err(sk, seq, fatal); bh_lock_sock(sk); if (sock_owned_by_user(sk) && type != ICMPV6_PKT_TOOBIG) @@ -400,7 +402,6 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, goto out; } - icmpv6_err_convert(type, code, &err); /* Might be for an request_sock */ switch (sk->sk_state) { @@ -1386,7 +1387,7 @@ process: if (sk->sk_state == TCP_NEW_SYN_RECV) { struct request_sock *req = inet_reqsk(sk); - struct sock *nsk = NULL; + struct sock *nsk; sk = req->rsk_listener; tcp_v6_fill_cb(skb, hdr, th); @@ -1394,24 +1395,24 @@ process: reqsk_put(req); goto discard_it; } - if (likely(sk->sk_state == TCP_LISTEN)) { - nsk = tcp_check_req(sk, skb, req, false); - } else { + if (unlikely(sk->sk_state != TCP_LISTEN)) { inet_csk_reqsk_queue_drop_and_put(sk, req); goto lookup; } + sock_hold(sk); + nsk = tcp_check_req(sk, skb, req, false); if (!nsk) { reqsk_put(req); - goto discard_it; + goto discard_and_relse; } if (nsk == sk) { - sock_hold(sk); reqsk_put(req); tcp_v6_restore_cb(skb); } else if (tcp_child_process(sk, nsk, skb)) { tcp_v6_send_reset(nsk, skb); - goto discard_it; + goto discard_and_relse; } else { + sock_put(sk); return 0; } } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 5d2c2afffe7b..22e28a44e3c8 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -257,6 +257,7 @@ static struct sock *udp6_lib_lookup2(struct net *net, struct sock *sk, *result; struct hlist_nulls_node *node; int score, badness, matches = 0, reuseport = 0; + bool select_ok = true; u32 hash = 0; begin: @@ -270,14 +271,18 @@ begin: badness = score; reuseport = sk->sk_reuseport; if (reuseport) { - struct sock *sk2; hash = udp6_ehashfn(net, daddr, hnum, saddr, sport); - sk2 = reuseport_select_sock(sk, hash, skb, - sizeof(struct udphdr)); - if (sk2) { - result = sk2; - goto found; + if (select_ok) { + struct sock *sk2; + + sk2 = reuseport_select_sock(sk, hash, skb, + sizeof(struct udphdr)); + if (sk2) { + result = sk2; + select_ok = false; + goto found; + } } matches = 1; } @@ -321,6 +326,7 @@ struct sock *__udp6_lib_lookup(struct net *net, unsigned int hash2, slot2, slot = udp_hashfn(net, hnum, udptable->mask); struct udp_hslot *hslot2, *hslot = &udptable->hash[slot]; int score, badness, matches = 0, reuseport = 0; + bool select_ok = true; u32 hash = 0; rcu_read_lock(); @@ -358,14 +364,18 @@ begin: badness = score; reuseport = sk->sk_reuseport; if (reuseport) { - struct sock *sk2; hash = udp6_ehashfn(net, daddr, hnum, saddr, sport); - sk2 = reuseport_select_sock(sk, hash, skb, + if (select_ok) { + struct sock *sk2; + + sk2 = reuseport_select_sock(sk, hash, skb, sizeof(struct udphdr)); - if (sk2) { - result = sk2; - goto found; + if (sk2) { + result = sk2; + select_ok = false; + goto found; + } } matches = 1; } diff --git a/net/irda/ircomm/ircomm_param.c b/net/irda/ircomm/ircomm_param.c index 3c4caa60c926..5728e76ca6d5 100644 --- a/net/irda/ircomm/ircomm_param.c +++ b/net/irda/ircomm/ircomm_param.c @@ -134,11 +134,10 @@ int ircomm_param_request(struct ircomm_tty_cb *self, __u8 pi, int flush) return -1; } skb_put(skb, count); + pr_debug("%s(), skb->len=%d\n", __func__, skb->len); spin_unlock_irqrestore(&self->spinlock, flags); - pr_debug("%s(), skb->len=%d\n", __func__ , skb->len); - if (flush) { /* ircomm_tty_do_softint will take care of the rest */ schedule_work(&self->tqueue); diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index ef50a94d3eb7..fc3598a922b0 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -708,6 +708,9 @@ static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr, if (!addr || addr->sa_family != AF_IUCV) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_iucv)) + return -EINVAL; + lock_sock(sk); if (sk->sk_state != IUCV_OPEN) { err = -EBADFD; diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index f93c5be612a7..2caaa84ce92d 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -124,8 +124,13 @@ static int l2tp_tunnel_notify(struct genl_family *family, ret = l2tp_nl_tunnel_send(msg, info->snd_portid, info->snd_seq, NLM_F_ACK, tunnel, cmd); - if (ret >= 0) - return genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + if (ret >= 0) { + ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + /* We don't care if no one is listening */ + if (ret == -ESRCH) + ret = 0; + return ret; + } nlmsg_free(msg); @@ -147,8 +152,13 @@ static int l2tp_session_notify(struct genl_family *family, ret = l2tp_nl_session_send(msg, info->snd_portid, info->snd_seq, NLM_F_ACK, session, cmd); - if (ret >= 0) - return genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + if (ret >= 0) { + ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + /* We don't care if no one is listening */ + if (ret == -ESRCH) + ret = 0; + return ret; + } nlmsg_free(msg); diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index f7fc0e00497f..978d3bc31df7 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -1733,7 +1733,6 @@ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local) if (sdata->vif.type != NL80211_IFTYPE_ADHOC) continue; sdata->u.ibss.last_scan_completed = jiffies; - ieee80211_queue_work(&local->hw, &sdata->work); } mutex_unlock(&local->iflist_mtx); } diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 6bcf0faa4a89..8190bf27ebff 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -248,6 +248,7 @@ static void ieee80211_restart_work(struct work_struct *work) /* wait for scan work complete */ flush_workqueue(local->workqueue); + flush_work(&local->sched_scan_stopped_work); WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), "%s called with hardware scan in progress\n", __func__); @@ -256,6 +257,11 @@ static void ieee80211_restart_work(struct work_struct *work) list_for_each_entry(sdata, &local->interfaces, list) flush_delayed_work(&sdata->dec_tailroom_needed_wk); ieee80211_scan_cancel(local); + + /* make sure any new ROC will consider local->in_reconfig */ + flush_delayed_work(&local->roc_work); + flush_work(&local->hw_roc_done); + ieee80211_reconfig(local); rtnl_unlock(); } diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index fa28500f28fd..6f85b6ab8e51 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -1370,17 +1370,6 @@ out: sdata_unlock(sdata); } -void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) -{ - struct ieee80211_sub_if_data *sdata; - - rcu_read_lock(); - list_for_each_entry_rcu(sdata, &local->interfaces, list) - if (ieee80211_vif_is_mesh(&sdata->vif) && - ieee80211_sdata_running(sdata)) - ieee80211_queue_work(&local->hw, &sdata->work); - rcu_read_unlock(); -} void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) { diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index a1596344c3ba..4a8019f79fb2 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -362,14 +362,10 @@ static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) return sdata->u.mesh.mesh_pp_id == IEEE80211_PATH_PROTOCOL_HWMP; } -void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local); - void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata); void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata); void ieee80211s_stop(void); #else -static inline void -ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) {} static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) { return false; } static inline void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 1c342e2592c4..bfbb1acafdd1 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4005,8 +4005,6 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata) if (!ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR)) ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.monitor_work); - /* and do all the other regular work too */ - ieee80211_queue_work(&sdata->local->hw, &sdata->work); } } diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 8b2f4eaac2ba..55a9c5b94ce1 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -252,14 +252,11 @@ static bool ieee80211_recalc_sw_work(struct ieee80211_local *local, static void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc, unsigned long start_time) { - struct ieee80211_local *local = roc->sdata->local; - if (WARN_ON(roc->notified)) return; roc->start_time = start_time; roc->started = true; - roc->hw_begun = true; if (roc->mgmt_tx_cookie) { if (!WARN_ON(!roc->frame)) { @@ -274,9 +271,6 @@ static void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc, } roc->notified = true; - - if (!local->ops->remain_on_channel) - ieee80211_recalc_sw_work(local, start_time); } static void ieee80211_hw_roc_start(struct work_struct *work) @@ -291,6 +285,7 @@ static void ieee80211_hw_roc_start(struct work_struct *work) if (!roc->started) break; + roc->hw_begun = true; ieee80211_handle_roc_started(roc, local->hw_roc_start_time); } @@ -413,6 +408,10 @@ void ieee80211_start_next_roc(struct ieee80211_local *local) return; } + /* defer roc if driver is not started (i.e. during reconfig) */ + if (local->in_reconfig) + return; + roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work, list); @@ -534,8 +533,10 @@ ieee80211_coalesce_hw_started_roc(struct ieee80211_local *local, * begin, otherwise they'll both be marked properly by the work * struct that runs once the driver notifies us of the beginning */ - if (cur_roc->hw_begun) + if (cur_roc->hw_begun) { + new_roc->hw_begun = true; ieee80211_handle_roc_started(new_roc, now); + } return true; } @@ -658,6 +659,7 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, queued = true; roc->on_channel = tmp->on_channel; ieee80211_handle_roc_started(roc, now); + ieee80211_recalc_sw_work(local, now); break; } diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index a413e52f7691..ae980ce8daff 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -314,6 +314,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted) bool was_scanning = local->scanning; struct cfg80211_scan_request *scan_req; struct ieee80211_sub_if_data *scan_sdata; + struct ieee80211_sub_if_data *sdata; lockdep_assert_held(&local->mtx); @@ -373,7 +374,16 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted) ieee80211_mlme_notify_scan_completed(local); ieee80211_ibss_notify_scan_completed(local); - ieee80211_mesh_notify_scan_completed(local); + + /* Requeue all the work that might have been ignored while + * the scan was in progress; if there was none this will + * just be a no-op for the particular interface. + */ + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (ieee80211_sdata_running(sdata)) + ieee80211_queue_work(&sdata->local->hw, &sdata->work); + } + if (was_scanning) ieee80211_start_next_roc(local); } @@ -1213,6 +1223,14 @@ void ieee80211_sched_scan_stopped(struct ieee80211_hw *hw) trace_api_sched_scan_stopped(local); + /* + * this shouldn't really happen, so for simplicity + * simply ignore it, and let mac80211 reconfigure + * the sched scan later on. + */ + if (local->in_reconfig) + return; + schedule_work(&local->sched_scan_stopped_work); } EXPORT_SYMBOL(ieee80211_sched_scan_stopped); diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 4402ad5b27d1..a4a4f89d3ba0 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1453,7 +1453,7 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta, more_data = ieee80211_sta_ps_more_data(sta, ignored_acs, reason, driver_release_tids); - if (reason == IEEE80211_FRAME_RELEASE_PSPOLL) + if (driver_release_tids && reason == IEEE80211_FRAME_RELEASE_PSPOLL) driver_release_tids = BIT(find_highest_prio_tid(driver_release_tids)); diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 5bad05e9af90..6101deb805a8 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -51,6 +51,11 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, struct ieee80211_hdr *hdr = (void *)skb->data; int ac; + if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER) { + ieee80211_free_txskb(&local->hw, skb); + return; + } + /* * This skb 'survived' a round-trip through the driver, and * hopefully the driver didn't mangle it too badly. However, diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 3943d4bf289c..58f58bd5202f 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2043,16 +2043,26 @@ int ieee80211_reconfig(struct ieee80211_local *local) */ if (sched_scan_req->n_scan_plans > 1 || __ieee80211_request_sched_scan_start(sched_scan_sdata, - sched_scan_req)) + sched_scan_req)) { + RCU_INIT_POINTER(local->sched_scan_sdata, NULL); + RCU_INIT_POINTER(local->sched_scan_req, NULL); sched_scan_stopped = true; + } mutex_unlock(&local->mtx); if (sched_scan_stopped) cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy); wake_up: - local->in_reconfig = false; - barrier(); + if (local->in_reconfig) { + local->in_reconfig = false; + barrier(); + + /* Restart deferred ROCs */ + mutex_lock(&local->mtx); + ieee80211_start_next_roc(local); + mutex_unlock(&local->mtx); + } if (local->monitors == local->open_count && local->monitors > 0) ieee80211_add_virtual_monitor(local); diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 8c067e6663a1..95e757c377f9 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -891,7 +891,7 @@ config NETFILTER_XT_TARGET_TEE depends on IPV6 || IPV6=n depends on !NF_CONNTRACK || NF_CONNTRACK select NF_DUP_IPV4 - select NF_DUP_IPV6 if IP6_NF_IPTABLES != n + select NF_DUP_IPV6 if IPV6 ---help--- This option adds a "TEE" target with which a packet can be cloned and this clone be rerouted to another nexthop. diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c index 43d8c9896fa3..f0f688db6213 100644 --- a/net/netfilter/ipset/ip_set_hash_netiface.c +++ b/net/netfilter/ipset/ip_set_hash_netiface.c @@ -164,8 +164,6 @@ hash_netiface4_kadt(struct ip_set *set, const struct sk_buff *skb, }; struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); - if (e.cidr == 0) - return -EINVAL; if (adt == IPSET_TEST) e.cidr = HOST_MASK; @@ -377,8 +375,6 @@ hash_netiface6_kadt(struct ip_set *set, const struct sk_buff *skb, }; struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); - if (e.cidr == 0) - return -EINVAL; if (adt == IPSET_TEST) e.cidr = HOST_MASK; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 3cb3cb831591..f60b4fdeeb8c 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -66,6 +66,21 @@ EXPORT_SYMBOL_GPL(nf_conntrack_locks); __cacheline_aligned_in_smp DEFINE_SPINLOCK(nf_conntrack_expect_lock); EXPORT_SYMBOL_GPL(nf_conntrack_expect_lock); +static __read_mostly spinlock_t nf_conntrack_locks_all_lock; +static __read_mostly bool nf_conntrack_locks_all; + +void nf_conntrack_lock(spinlock_t *lock) __acquires(lock) +{ + spin_lock(lock); + while (unlikely(nf_conntrack_locks_all)) { + spin_unlock(lock); + spin_lock(&nf_conntrack_locks_all_lock); + spin_unlock(&nf_conntrack_locks_all_lock); + spin_lock(lock); + } +} +EXPORT_SYMBOL_GPL(nf_conntrack_lock); + static void nf_conntrack_double_unlock(unsigned int h1, unsigned int h2) { h1 %= CONNTRACK_LOCKS; @@ -82,12 +97,12 @@ static bool nf_conntrack_double_lock(struct net *net, unsigned int h1, h1 %= CONNTRACK_LOCKS; h2 %= CONNTRACK_LOCKS; if (h1 <= h2) { - spin_lock(&nf_conntrack_locks[h1]); + nf_conntrack_lock(&nf_conntrack_locks[h1]); if (h1 != h2) spin_lock_nested(&nf_conntrack_locks[h2], SINGLE_DEPTH_NESTING); } else { - spin_lock(&nf_conntrack_locks[h2]); + nf_conntrack_lock(&nf_conntrack_locks[h2]); spin_lock_nested(&nf_conntrack_locks[h1], SINGLE_DEPTH_NESTING); } @@ -102,16 +117,19 @@ static void nf_conntrack_all_lock(void) { int i; - for (i = 0; i < CONNTRACK_LOCKS; i++) - spin_lock_nested(&nf_conntrack_locks[i], i); + spin_lock(&nf_conntrack_locks_all_lock); + nf_conntrack_locks_all = true; + + for (i = 0; i < CONNTRACK_LOCKS; i++) { + spin_lock(&nf_conntrack_locks[i]); + spin_unlock(&nf_conntrack_locks[i]); + } } static void nf_conntrack_all_unlock(void) { - int i; - - for (i = 0; i < CONNTRACK_LOCKS; i++) - spin_unlock(&nf_conntrack_locks[i]); + nf_conntrack_locks_all = false; + spin_unlock(&nf_conntrack_locks_all_lock); } unsigned int nf_conntrack_htable_size __read_mostly; @@ -757,7 +775,7 @@ restart: hash = hash_bucket(_hash, net); for (; i < net->ct.htable_size; i++) { lockp = &nf_conntrack_locks[hash % CONNTRACK_LOCKS]; - spin_lock(lockp); + nf_conntrack_lock(lockp); if (read_seqcount_retry(&net->ct.generation, sequence)) { spin_unlock(lockp); goto restart; @@ -1382,7 +1400,7 @@ get_next_corpse(struct net *net, int (*iter)(struct nf_conn *i, void *data), for (; *bucket < net->ct.htable_size; (*bucket)++) { lockp = &nf_conntrack_locks[*bucket % CONNTRACK_LOCKS]; local_bh_disable(); - spin_lock(lockp); + nf_conntrack_lock(lockp); if (*bucket < net->ct.htable_size) { hlist_nulls_for_each_entry(h, n, &net->ct.hash[*bucket], hnnode) { if (NF_CT_DIRECTION(h) != IP_CT_DIR_ORIGINAL) @@ -1394,6 +1412,7 @@ get_next_corpse(struct net *net, int (*iter)(struct nf_conn *i, void *data), } spin_unlock(lockp); local_bh_enable(); + cond_resched(); } for_each_possible_cpu(cpu) { @@ -1406,6 +1425,7 @@ get_next_corpse(struct net *net, int (*iter)(struct nf_conn *i, void *data), set_bit(IPS_DYING_BIT, &ct->status); } spin_unlock_bh(&pcpu->lock); + cond_resched(); } return NULL; found: @@ -1422,6 +1442,8 @@ void nf_ct_iterate_cleanup(struct net *net, struct nf_conn *ct; unsigned int bucket = 0; + might_sleep(); + while ((ct = get_next_corpse(net, iter, data, &bucket)) != NULL) { /* Time to push up daises... */ if (del_timer(&ct->timeout)) @@ -1430,6 +1452,7 @@ void nf_ct_iterate_cleanup(struct net *net, /* ... else the timer will get him soon. */ nf_ct_put(ct); + cond_resched(); } } EXPORT_SYMBOL_GPL(nf_ct_iterate_cleanup); diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index bd9d31537905..3b40ec575cd5 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -425,7 +425,7 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me, } local_bh_disable(); for (i = 0; i < net->ct.htable_size; i++) { - spin_lock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]); + nf_conntrack_lock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]); if (i < net->ct.htable_size) { hlist_nulls_for_each_entry(h, nn, &net->ct.hash[i], hnnode) unhelp(h, me); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index dbb1bb3edb45..355e8552fd5b 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -840,7 +840,7 @@ ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb) for (; cb->args[0] < net->ct.htable_size; cb->args[0]++) { restart: lockp = &nf_conntrack_locks[cb->args[0] % CONNTRACK_LOCKS]; - spin_lock(lockp); + nf_conntrack_lock(lockp); if (cb->args[0] >= net->ct.htable_size) { spin_unlock(lockp); goto out; diff --git a/net/netfilter/nf_tables_netdev.c b/net/netfilter/nf_tables_netdev.c index b6605e000801..5eefe4a355c6 100644 --- a/net/netfilter/nf_tables_netdev.c +++ b/net/netfilter/nf_tables_netdev.c @@ -224,12 +224,12 @@ static int __init nf_tables_netdev_init(void) nft_register_chain_type(&nft_filter_chain_netdev); ret = register_pernet_subsys(&nf_tables_netdev_net_ops); - if (ret < 0) + if (ret < 0) { nft_unregister_chain_type(&nft_filter_chain_netdev); - + return ret; + } register_netdevice_notifier(&nf_tables_netdev_notifier); - - return ret; + return 0; } static void __exit nf_tables_netdev_exit(void) diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index a7ba23353dab..857ae89633af 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -311,14 +311,14 @@ replay: #endif { nfnl_unlock(subsys_id); - netlink_ack(skb, nlh, -EOPNOTSUPP); + netlink_ack(oskb, nlh, -EOPNOTSUPP); return kfree_skb(skb); } } if (!ss->commit || !ss->abort) { nfnl_unlock(subsys_id); - netlink_ack(skb, nlh, -EOPNOTSUPP); + netlink_ack(oskb, nlh, -EOPNOTSUPP); return kfree_skb(skb); } @@ -328,10 +328,12 @@ replay: nlh = nlmsg_hdr(skb); err = 0; - if (nlmsg_len(nlh) < sizeof(struct nfgenmsg) || - skb->len < nlh->nlmsg_len) { - err = -EINVAL; - goto ack; + if (nlh->nlmsg_len < NLMSG_HDRLEN || + skb->len < nlh->nlmsg_len || + nlmsg_len(nlh) < sizeof(struct nfgenmsg)) { + nfnl_err_reset(&err_list); + status |= NFNL_BATCH_FAILURE; + goto done; } /* Only requests are handled by the kernel */ @@ -406,7 +408,7 @@ ack: * pointing to the batch header. */ nfnl_err_reset(&err_list); - netlink_ack(skb, nlmsg_hdr(oskb), -ENOMEM); + netlink_ack(oskb, nlmsg_hdr(oskb), -ENOMEM); status |= NFNL_BATCH_FAILURE; goto done; } diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 5d010f27ac01..2671b9deb103 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -307,7 +307,7 @@ static void ctnl_untimeout(struct net *net, struct ctnl_timeout *timeout) local_bh_disable(); for (i = 0; i < net->ct.htable_size; i++) { - spin_lock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]); + nf_conntrack_lock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]); if (i < net->ct.htable_size) { hlist_nulls_for_each_entry(h, nn, &net->ct.hash[i], hnnode) untimeout(h, timeout); diff --git a/net/netfilter/nft_byteorder.c b/net/netfilter/nft_byteorder.c index 383c17138399..b78c28ba465f 100644 --- a/net/netfilter/nft_byteorder.c +++ b/net/netfilter/nft_byteorder.c @@ -46,16 +46,14 @@ static void nft_byteorder_eval(const struct nft_expr *expr, switch (priv->op) { case NFT_BYTEORDER_NTOH: for (i = 0; i < priv->len / 8; i++) { - src64 = get_unaligned_be64(&src[i]); - src64 = be64_to_cpu((__force __be64)src64); + src64 = get_unaligned((u64 *)&src[i]); put_unaligned_be64(src64, &dst[i]); } break; case NFT_BYTEORDER_HTON: for (i = 0; i < priv->len / 8; i++) { src64 = get_unaligned_be64(&src[i]); - src64 = (__force u64)cpu_to_be64(src64); - put_unaligned_be64(src64, &dst[i]); + put_unaligned(src64, (u64 *)&dst[i]); } break; } diff --git a/net/netfilter/nft_counter.c b/net/netfilter/nft_counter.c index c7808fc19719..c9743f78f219 100644 --- a/net/netfilter/nft_counter.c +++ b/net/netfilter/nft_counter.c @@ -100,7 +100,7 @@ static int nft_counter_init(const struct nft_ctx *ctx, cpu_stats = netdev_alloc_pcpu_stats(struct nft_counter_percpu); if (cpu_stats == NULL) - return ENOMEM; + return -ENOMEM; preempt_disable(); this_cpu = this_cpu_ptr(cpu_stats); @@ -138,7 +138,7 @@ static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src) cpu_stats = __netdev_alloc_pcpu_stats(struct nft_counter_percpu, GFP_ATOMIC); if (cpu_stats == NULL) - return ENOMEM; + return -ENOMEM; preempt_disable(); this_cpu = this_cpu_ptr(cpu_stats); diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index a0eb2161e3ef..d4a4619fcebc 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -127,6 +127,7 @@ static void nft_ct_get_eval(const struct nft_expr *expr, NF_CT_LABELS_MAX_SIZE - size); return; } +#endif case NFT_CT_BYTES: /* fallthrough */ case NFT_CT_PKTS: { const struct nf_conn_acct *acct = nf_conn_acct_find(ct); @@ -138,7 +139,6 @@ static void nft_ct_get_eval(const struct nft_expr *expr, memcpy(dest, &count, sizeof(count)); return; } -#endif default: break; } diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index b7c43def0dc6..e118397254af 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -228,7 +228,7 @@ tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par) { struct ipv6hdr *ipv6h = ipv6_hdr(skb); u8 nexthdr; - __be16 frag_off; + __be16 frag_off, oldlen, newlen; int tcphoff; int ret; @@ -244,7 +244,12 @@ tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par) return NF_DROP; if (ret > 0) { ipv6h = ipv6_hdr(skb); - ipv6h->payload_len = htons(ntohs(ipv6h->payload_len) + ret); + oldlen = ipv6h->payload_len; + newlen = htons(ntohs(oldlen) + ret); + if (skb->ip_summed == CHECKSUM_COMPLETE) + skb->csum = csum_add(csum_sub(skb->csum, oldlen), + newlen); + ipv6h->payload_len = newlen; } return XT_CONTINUE; } diff --git a/net/netfilter/xt_TEE.c b/net/netfilter/xt_TEE.c index 3eff7b67cdf2..6e57a3966dc5 100644 --- a/net/netfilter/xt_TEE.c +++ b/net/netfilter/xt_TEE.c @@ -38,7 +38,7 @@ tee_tg4(struct sk_buff *skb, const struct xt_action_param *par) return XT_CONTINUE; } -#if IS_ENABLED(CONFIG_NF_DUP_IPV6) +#if IS_ENABLED(CONFIG_IPV6) static unsigned int tee_tg6(struct sk_buff *skb, const struct xt_action_param *par) { @@ -131,7 +131,7 @@ static struct xt_target tee_tg_reg[] __read_mostly = { .destroy = tee_tg_destroy, .me = THIS_MODULE, }, -#if IS_ENABLED(CONFIG_NF_DUP_IPV6) +#if IS_ENABLED(CONFIG_IPV6) { .name = "TEE", .revision = 1, diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 81dc1bb6e016..f1ffb34e253f 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2831,7 +2831,8 @@ static int netlink_dump(struct sock *sk) * reasonable static buffer based on the expected largest dump of a * single netdev. The outcome is MSG_TRUNC error. */ - skb_reserve(skb, skb_tailroom(skb) - alloc_size); + if (!netlink_rx_is_mmaped(sk)) + skb_reserve(skb, skb_tailroom(skb) - alloc_size); netlink_skb_set_owner_r(skb, sk); len = cb->dump(skb, cb); diff --git a/net/openvswitch/vport-vxlan.c b/net/openvswitch/vport-vxlan.c index 1605691d9414..5eb7694348b5 100644 --- a/net/openvswitch/vport-vxlan.c +++ b/net/openvswitch/vport-vxlan.c @@ -90,7 +90,9 @@ static struct vport *vxlan_tnl_create(const struct vport_parms *parms) int err; struct vxlan_config conf = { .no_share = true, - .flags = VXLAN_F_COLLECT_METADATA, + .flags = VXLAN_F_COLLECT_METADATA | VXLAN_F_UDP_ZERO_CSUM6_RX, + /* Don't restrict the packets that can be sent by MTU */ + .mtu = IP_MAX_MTU, }; if (!options) { diff --git a/net/rfkill/core.c b/net/rfkill/core.c index f53bf3b6558b..cf5b69ab1829 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -1095,17 +1095,6 @@ static unsigned int rfkill_fop_poll(struct file *file, poll_table *wait) return res; } -static bool rfkill_readable(struct rfkill_data *data) -{ - bool r; - - mutex_lock(&data->mtx); - r = !list_empty(&data->events); - mutex_unlock(&data->mtx); - - return r; -} - static ssize_t rfkill_fop_read(struct file *file, char __user *buf, size_t count, loff_t *pos) { @@ -1122,8 +1111,11 @@ static ssize_t rfkill_fop_read(struct file *file, char __user *buf, goto out; } mutex_unlock(&data->mtx); + /* since we re-check and it just compares pointers, + * using !list_empty() without locking isn't a problem + */ ret = wait_event_interruptible(data->read_wait, - rfkill_readable(data)); + !list_empty(&data->events)); mutex_lock(&data->mtx); if (ret) diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index b5c2cf2aa6d4..af1acf009866 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1852,6 +1852,7 @@ reset: } tp = old_tp; + protocol = tc_skb_protocol(skb); goto reclassify; #endif } diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index f26bdea875c1..a1cd778240cd 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -403,6 +403,8 @@ static struct sk_buff *drr_dequeue(struct Qdisc *sch) if (len <= cl->deficit) { cl->deficit -= len; skb = qdisc_dequeue_peeked(cl->qdisc); + if (unlikely(skb == NULL)) + goto out; if (cl->qdisc->q.qlen == 0) list_del(&cl->alist); diff --git a/net/sctp/input.c b/net/sctp/input.c index bf61dfb8e09e..49d2cc751386 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -935,15 +935,22 @@ static struct sctp_association *__sctp_lookup_association( struct sctp_transport **pt) { struct sctp_transport *t; + struct sctp_association *asoc = NULL; + rcu_read_lock(); t = sctp_addrs_lookup_transport(net, local, peer); - if (!t || t->dead) - return NULL; + if (!t || !sctp_transport_hold(t)) + goto out; - sctp_association_hold(t->asoc); + asoc = t->asoc; + sctp_association_hold(asoc); *pt = t; - return t->asoc; + sctp_transport_put(t); + +out: + rcu_read_unlock(); + return asoc; } /* Look up an association. protected by RCU read lock */ @@ -955,9 +962,7 @@ struct sctp_association *sctp_lookup_association(struct net *net, { struct sctp_association *asoc; - rcu_read_lock(); asoc = __sctp_lookup_association(net, laddr, paddr, transportp); - rcu_read_unlock(); return asoc; } diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 684c5b31563b..ded7d931a6a5 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -165,8 +165,6 @@ static void sctp_seq_dump_remote_addrs(struct seq_file *seq, struct sctp_associa list_for_each_entry_rcu(transport, &assoc->peer.transport_addr_list, transports) { addr = &transport->ipaddr; - if (transport->dead) - continue; af = sctp_get_af_specific(addr->sa.sa_family); if (af->cmp_addr(addr, primary)) { @@ -380,6 +378,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) } transport = (struct sctp_transport *)v; + if (!sctp_transport_hold(transport)) + return 0; assoc = transport->asoc; epb = &assoc->base; sk = epb->sk; @@ -412,6 +412,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) sk->sk_rcvbuf); seq_printf(seq, "\n"); + sctp_transport_put(transport); + return 0; } @@ -489,12 +491,12 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v) } tsp = (struct sctp_transport *)v; + if (!sctp_transport_hold(tsp)) + return 0; assoc = tsp->asoc; list_for_each_entry_rcu(tsp, &assoc->peer.transport_addr_list, transports) { - if (tsp->dead) - continue; /* * The remote address (ADDR) */ @@ -544,6 +546,8 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "\n"); } + sctp_transport_put(tsp); + return 0; } diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index ab0d538a74ed..1099e99a53c4 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -60,6 +60,8 @@ #include <net/inet_common.h> #include <net/inet_ecn.h> +#define MAX_SCTP_PORT_HASH_ENTRIES (64 * 1024) + /* Global data structures. */ struct sctp_globals sctp_globals __read_mostly; @@ -1355,6 +1357,8 @@ static __init int sctp_init(void) unsigned long limit; int max_share; int order; + int num_entries; + int max_entry_order; sock_skb_cb_check_size(sizeof(struct sctp_ulpevent)); @@ -1407,14 +1411,24 @@ static __init int sctp_init(void) /* Size and allocate the association hash table. * The methodology is similar to that of the tcp hash tables. + * Though not identical. Start by getting a goal size */ if (totalram_pages >= (128 * 1024)) goal = totalram_pages >> (22 - PAGE_SHIFT); else goal = totalram_pages >> (24 - PAGE_SHIFT); - for (order = 0; (1UL << order) < goal; order++) - ; + /* Then compute the page order for said goal */ + order = get_order(goal); + + /* Now compute the required page order for the maximum sized table we + * want to create + */ + max_entry_order = get_order(MAX_SCTP_PORT_HASH_ENTRIES * + sizeof(struct sctp_bind_hashbucket)); + + /* Limit the page order by that maximum hash table size */ + order = min(order, max_entry_order); /* Allocate and initialize the endpoint hash table. */ sctp_ep_hashsize = 64; @@ -1430,20 +1444,35 @@ static __init int sctp_init(void) INIT_HLIST_HEAD(&sctp_ep_hashtable[i].chain); } - /* Allocate and initialize the SCTP port hash table. */ + /* Allocate and initialize the SCTP port hash table. + * Note that order is initalized to start at the max sized + * table we want to support. If we can't get that many pages + * reduce the order and try again + */ do { - sctp_port_hashsize = (1UL << order) * PAGE_SIZE / - sizeof(struct sctp_bind_hashbucket); - if ((sctp_port_hashsize > (64 * 1024)) && order > 0) - continue; sctp_port_hashtable = (struct sctp_bind_hashbucket *) __get_free_pages(GFP_KERNEL | __GFP_NOWARN, order); } while (!sctp_port_hashtable && --order > 0); + if (!sctp_port_hashtable) { pr_err("Failed bind hash alloc\n"); status = -ENOMEM; goto err_bhash_alloc; } + + /* Now compute the number of entries that will fit in the + * port hash space we allocated + */ + num_entries = (1UL << order) * PAGE_SIZE / + sizeof(struct sctp_bind_hashbucket); + + /* And finish by rounding it down to the nearest power of two + * this wastes some memory of course, but its needed because + * the hash function operates based on the assumption that + * that the number of entries is a power of two + */ + sctp_port_hashsize = rounddown_pow_of_two(num_entries); + for (i = 0; i < sctp_port_hashsize; i++) { spin_lock_init(&sctp_port_hashtable[i].lock); INIT_HLIST_HEAD(&sctp_port_hashtable[i].chain); @@ -1452,7 +1481,8 @@ static __init int sctp_init(void) if (sctp_transport_hashtable_init()) goto err_thash_alloc; - pr_info("Hash tables configured (bind %d)\n", sctp_port_hashsize); + pr_info("Hash tables configured (bind %d/%d)\n", sctp_port_hashsize, + num_entries); sctp_sysctl_register(); diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 2e21384697c2..b5327bb77458 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -259,12 +259,6 @@ void sctp_generate_t3_rtx_event(unsigned long peer) goto out_unlock; } - /* Is this transport really dead and just waiting around for - * the timer to let go of the reference? - */ - if (transport->dead) - goto out_unlock; - /* Run through the state machine. */ error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT, SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_T3_RTX), @@ -380,12 +374,6 @@ void sctp_generate_heartbeat_event(unsigned long data) goto out_unlock; } - /* Is this structure just waiting around for us to actually - * get destroyed? - */ - if (transport->dead) - goto out_unlock; - error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT, SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_HEARTBEAT), asoc->state, asoc->ep, asoc, diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 9bb80ec4c08f..e878da0949db 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5538,6 +5538,7 @@ static int sctp_getsockopt_hmac_ident(struct sock *sk, int len, struct sctp_hmac_algo_param *hmacs; __u16 data_len = 0; u32 num_idents; + int i; if (!ep->auth_enable) return -EACCES; @@ -5555,8 +5556,12 @@ static int sctp_getsockopt_hmac_ident(struct sock *sk, int len, return -EFAULT; if (put_user(num_idents, &p->shmac_num_idents)) return -EFAULT; - if (copy_to_user(p->shmac_idents, hmacs->hmac_ids, data_len)) - return -EFAULT; + for (i = 0; i < num_idents; i++) { + __u16 hmacid = ntohs(hmacs->hmac_ids[i]); + + if (copy_to_user(&p->shmac_idents[i], &hmacid, sizeof(__u16))) + return -EFAULT; + } return 0; } @@ -6636,6 +6641,7 @@ static int sctp_msghdr_parse(const struct msghdr *msg, sctp_cmsgs_t *cmsgs) if (cmsgs->srinfo->sinfo_flags & ~(SCTP_UNORDERED | SCTP_ADDR_OVER | + SCTP_SACK_IMMEDIATELY | SCTP_ABORT | SCTP_EOF)) return -EINVAL; break; @@ -6659,6 +6665,7 @@ static int sctp_msghdr_parse(const struct msghdr *msg, sctp_cmsgs_t *cmsgs) if (cmsgs->sinfo->snd_flags & ~(SCTP_UNORDERED | SCTP_ADDR_OVER | + SCTP_SACK_IMMEDIATELY | SCTP_ABORT | SCTP_EOF)) return -EINVAL; break; diff --git a/net/sctp/transport.c b/net/sctp/transport.c index aab9e3f29755..a431c14044a4 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -132,8 +132,6 @@ fail: */ void sctp_transport_free(struct sctp_transport *transport) { - transport->dead = 1; - /* Try to delete the heartbeat timer. */ if (del_timer(&transport->hb_timer)) sctp_transport_put(transport); @@ -169,7 +167,7 @@ static void sctp_transport_destroy_rcu(struct rcu_head *head) */ static void sctp_transport_destroy(struct sctp_transport *transport) { - if (unlikely(!transport->dead)) { + if (unlikely(atomic_read(&transport->refcnt))) { WARN(1, "Attempt to destroy undead transport %p!\n", transport); return; } @@ -296,9 +294,9 @@ void sctp_transport_route(struct sctp_transport *transport, } /* Hold a reference to a transport. */ -void sctp_transport_hold(struct sctp_transport *transport) +int sctp_transport_hold(struct sctp_transport *transport) { - atomic_inc(&transport->refcnt); + return atomic_add_unless(&transport->refcnt, 1, 0); } /* Release a reference to a transport and clean up diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 799e65b944b9..cabf586f47d7 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -740,7 +740,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen) default: printk(KERN_CRIT "%s: bad return from " "gss_fill_context: %zd\n", __func__, err); - BUG(); + gss_msg->msg.errno = -EIO; } goto err_release_msg; } diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 2b32fd602669..273bc3a35425 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -1225,7 +1225,7 @@ int qword_get(char **bpp, char *dest, int bufsize) if (bp[0] == '\\' && bp[1] == 'x') { /* HEX STRING */ bp += 2; - while (len < bufsize) { + while (len < bufsize - 1) { int h, l; h = hex_to_bin(bp[0]); diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c index cc1251d07297..2dcd7640eeb5 100644 --- a/net/sunrpc/xprtrdma/backchannel.c +++ b/net/sunrpc/xprtrdma/backchannel.c @@ -341,6 +341,8 @@ void rpcrdma_bc_receive_call(struct rpcrdma_xprt *r_xprt, rqst->rq_reply_bytes_recvd = 0; rqst->rq_bytes_sent = 0; rqst->rq_xid = headerp->rm_xid; + + rqst->rq_private_buf.len = size; set_bit(RPC_BC_PA_IN_USE, &rqst->rq_bc_pa_state); buf = &rqst->rq_rcv_buf; diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index ebc661d3b6e3..47f7da58a7f0 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -20,6 +20,7 @@ #include <linux/list.h> #include <linux/workqueue.h> #include <linux/if_vlan.h> +#include <linux/rtnetlink.h> #include <net/ip_fib.h> #include <net/switchdev.h> @@ -567,7 +568,6 @@ int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj, } EXPORT_SYMBOL_GPL(switchdev_port_obj_dump); -static DEFINE_MUTEX(switchdev_mutex); static RAW_NOTIFIER_HEAD(switchdev_notif_chain); /** @@ -582,9 +582,9 @@ int register_switchdev_notifier(struct notifier_block *nb) { int err; - mutex_lock(&switchdev_mutex); + rtnl_lock(); err = raw_notifier_chain_register(&switchdev_notif_chain, nb); - mutex_unlock(&switchdev_mutex); + rtnl_unlock(); return err; } EXPORT_SYMBOL_GPL(register_switchdev_notifier); @@ -600,9 +600,9 @@ int unregister_switchdev_notifier(struct notifier_block *nb) { int err; - mutex_lock(&switchdev_mutex); + rtnl_lock(); err = raw_notifier_chain_unregister(&switchdev_notif_chain, nb); - mutex_unlock(&switchdev_mutex); + rtnl_unlock(); return err; } EXPORT_SYMBOL_GPL(unregister_switchdev_notifier); @@ -616,16 +616,17 @@ EXPORT_SYMBOL_GPL(unregister_switchdev_notifier); * Call all network notifier blocks. This should be called by driver * when it needs to propagate hardware event. * Return values are same as for atomic_notifier_call_chain(). + * rtnl_lock must be held. */ int call_switchdev_notifiers(unsigned long val, struct net_device *dev, struct switchdev_notifier_info *info) { int err; + ASSERT_RTNL(); + info->dev = dev; - mutex_lock(&switchdev_mutex); err = raw_notifier_call_chain(&switchdev_notif_chain, val, info); - mutex_unlock(&switchdev_mutex); return err; } EXPORT_SYMBOL_GPL(call_switchdev_notifiers); diff --git a/net/tipc/link.c b/net/tipc/link.c index 0c2944fb9ae0..347cdc99ed09 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1973,8 +1973,10 @@ int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg) hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family, NLM_F_MULTI, TIPC_NL_LINK_GET); - if (!hdr) + if (!hdr) { + tipc_bcast_unlock(net); return -EMSGSIZE; + } attrs = nla_nest_start(msg->skb, TIPC_NLA_LINK); if (!attrs) diff --git a/net/tipc/node.c b/net/tipc/node.c index fa97d9649a28..9d7a16fc5ca4 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -346,12 +346,6 @@ struct tipc_node *tipc_node_create(struct net *net, u32 addr, u16 capabilities) skb_queue_head_init(&n->bc_entry.inputq2); for (i = 0; i < MAX_BEARERS; i++) spin_lock_init(&n->links[i].lock); - hlist_add_head_rcu(&n->hash, &tn->node_htable[tipc_hashfn(addr)]); - list_for_each_entry_rcu(temp_node, &tn->node_list, list) { - if (n->addr < temp_node->addr) - break; - } - list_add_tail_rcu(&n->list, &temp_node->list); n->state = SELF_DOWN_PEER_LEAVING; n->signature = INVALID_NODE_SIG; n->active_links[0] = INVALID_BEARER_ID; @@ -372,6 +366,12 @@ struct tipc_node *tipc_node_create(struct net *net, u32 addr, u16 capabilities) tipc_node_get(n); setup_timer(&n->timer, tipc_node_timeout, (unsigned long)n); n->keepalive_intv = U32_MAX; + hlist_add_head_rcu(&n->hash, &tn->node_htable[tipc_hashfn(addr)]); + list_for_each_entry_rcu(temp_node, &tn->node_list, list) { + if (n->addr < temp_node->addr) + break; + } + list_add_tail_rcu(&n->list, &temp_node->list); exit: spin_unlock_bh(&tn->node_list_lock); return n; diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index 350cca33ee0a..69ee2eeef968 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -289,15 +289,14 @@ static void tipc_subscrb_rcv_cb(struct net *net, int conid, struct sockaddr_tipc *addr, void *usr_data, void *buf, size_t len) { - struct tipc_subscriber *subscriber = usr_data; + struct tipc_subscriber *subscrb = usr_data; struct tipc_subscription *sub = NULL; struct tipc_net *tn = net_generic(net, tipc_net_id); - tipc_subscrp_create(net, (struct tipc_subscr *)buf, subscriber, &sub); - if (sub) - tipc_nametbl_subscribe(sub); - else - tipc_conn_terminate(tn->topsrv, subscriber->conid); + if (tipc_subscrp_create(net, (struct tipc_subscr *)buf, subscrb, &sub)) + return tipc_conn_terminate(tn->topsrv, subscrb->conid); + + tipc_nametbl_subscribe(sub); } /* Handle one request to establish a new subscriber */ diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index c5bf5ef2bf89..f75f847e688d 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1496,7 +1496,7 @@ static void unix_detach_fds(struct scm_cookie *scm, struct sk_buff *skb) UNIXCB(skb).fp = NULL; for (i = scm->fp->count-1; i >= 0; i--) - unix_notinflight(scm->fp->fp[i]); + unix_notinflight(scm->fp->user, scm->fp->fp[i]); } static void unix_destruct_scm(struct sk_buff *skb) @@ -1561,7 +1561,7 @@ static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb) return -ENOMEM; for (i = scm->fp->count - 1; i >= 0; i--) - unix_inflight(scm->fp->fp[i]); + unix_inflight(scm->fp->user, scm->fp->fp[i]); return max_level; } @@ -1781,7 +1781,12 @@ restart_locked: goto out_unlock; } - if (unlikely(unix_peer(other) != sk && unix_recvq_full(other))) { + /* other == sk && unix_peer(other) != sk if + * - unix_peer(sk) == NULL, destination address bound to sk + * - unix_peer(sk) == sk by time of get but disconnected before lock + */ + if (other != sk && + unlikely(unix_peer(other) != sk && unix_recvq_full(other))) { if (timeo) { timeo = unix_wait_for_peer(other, timeo); @@ -2277,13 +2282,15 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state) size_t size = state->size; unsigned int last_len; - err = -EINVAL; - if (sk->sk_state != TCP_ESTABLISHED) + if (unlikely(sk->sk_state != TCP_ESTABLISHED)) { + err = -EINVAL; goto out; + } - err = -EOPNOTSUPP; - if (flags & MSG_OOB) + if (unlikely(flags & MSG_OOB)) { + err = -EOPNOTSUPP; goto out; + } target = sock_rcvlowat(sk, flags & MSG_WAITALL, size); timeo = sock_rcvtimeo(sk, noblock); @@ -2305,6 +2312,7 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state) bool drop_skb; struct sk_buff *skb, *last; +redo: unix_state_lock(sk); if (sock_flag(sk, SOCK_DEAD)) { err = -ECONNRESET; @@ -2329,9 +2337,11 @@ again: goto unlock; unix_state_unlock(sk); - err = -EAGAIN; - if (!timeo) + if (!timeo) { + err = -EAGAIN; break; + } + mutex_unlock(&u->readlock); timeo = unix_stream_data_wait(sk, timeo, last, @@ -2339,11 +2349,12 @@ again: if (signal_pending(current)) { err = sock_intr_errno(timeo); + scm_destroy(&scm); goto out; } mutex_lock(&u->readlock); - continue; + goto redo; unlock: unix_state_unlock(sk); break; diff --git a/net/unix/diag.c b/net/unix/diag.c index c512f64d5287..4d9679701a6d 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -220,7 +220,7 @@ done: return skb->len; } -static struct sock *unix_lookup_by_ino(int ino) +static struct sock *unix_lookup_by_ino(unsigned int ino) { int i; struct sock *sk; diff --git a/net/unix/garbage.c b/net/unix/garbage.c index 8fcdc2283af5..6a0d48525fcf 100644 --- a/net/unix/garbage.c +++ b/net/unix/garbage.c @@ -116,7 +116,7 @@ struct sock *unix_get_socket(struct file *filp) * descriptor if it is for an AF_UNIX socket. */ -void unix_inflight(struct file *fp) +void unix_inflight(struct user_struct *user, struct file *fp) { struct sock *s = unix_get_socket(fp); @@ -133,11 +133,11 @@ void unix_inflight(struct file *fp) } unix_tot_inflight++; } - fp->f_cred->user->unix_inflight++; + user->unix_inflight++; spin_unlock(&unix_gc_lock); } -void unix_notinflight(struct file *fp) +void unix_notinflight(struct user_struct *user, struct file *fp) { struct sock *s = unix_get_socket(fp); @@ -152,7 +152,7 @@ void unix_notinflight(struct file *fp) list_del_init(&u->link); unix_tot_inflight--; } - fp->f_cred->user->unix_inflight--; + user->unix_inflight--; spin_unlock(&unix_gc_lock); } diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 7fd1220fbfa0..bbe65dcb9738 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1557,8 +1557,6 @@ static int vsock_stream_sendmsg(struct socket *sock, struct msghdr *msg, if (err < 0) goto out; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); - while (total_written < len) { ssize_t written; @@ -1578,7 +1576,9 @@ static int vsock_stream_sendmsg(struct socket *sock, struct msghdr *msg, goto out_wait; release_sock(sk); + prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); timeout = schedule_timeout(timeout); + finish_wait(sk_sleep(sk), &wait); lock_sock(sk); if (signal_pending(current)) { err = sock_intr_errno(timeout); @@ -1588,8 +1588,6 @@ static int vsock_stream_sendmsg(struct socket *sock, struct msghdr *msg, goto out_wait; } - prepare_to_wait(sk_sleep(sk), &wait, - TASK_INTERRUPTIBLE); } /* These checks occur both as part of and after the loop @@ -1635,7 +1633,6 @@ static int vsock_stream_sendmsg(struct socket *sock, struct msghdr *msg, out_wait: if (total_written > 0) err = total_written; - finish_wait(sk_sleep(sk), &wait); out: release_sock(sk); return err; @@ -1716,7 +1713,6 @@ vsock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, if (err < 0) goto out; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); while (1) { s64 ready = vsock_stream_has_data(vsk); @@ -1727,7 +1723,7 @@ vsock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, */ err = -ENOMEM; - goto out_wait; + goto out; } else if (ready > 0) { ssize_t read; @@ -1750,7 +1746,7 @@ vsock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, vsk, target, read, !(flags & MSG_PEEK), &recv_data); if (err < 0) - goto out_wait; + goto out; if (read >= target || flags & MSG_PEEK) break; @@ -1773,7 +1769,9 @@ vsock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, break; release_sock(sk); + prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); timeout = schedule_timeout(timeout); + finish_wait(sk_sleep(sk), &wait); lock_sock(sk); if (signal_pending(current)) { @@ -1783,9 +1781,6 @@ vsock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, err = -EAGAIN; break; } - - prepare_to_wait(sk_sleep(sk), &wait, - TASK_INTERRUPTIBLE); } } @@ -1816,8 +1811,6 @@ vsock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, err = copied; } -out_wait: - finish_wait(sk_sleep(sk), &wait); out: release_sock(sk); return err; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 3b0ce1c484a3..547ceecc0523 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -231,20 +231,22 @@ static const struct ieee80211_regdomain world_regdom = { /* IEEE 802.11b/g, channels 1..11 */ REG_RULE(2412-10, 2462+10, 40, 6, 20, 0), /* IEEE 802.11b/g, channels 12..13. */ - REG_RULE(2467-10, 2472+10, 40, 6, 20, - NL80211_RRF_NO_IR), + REG_RULE(2467-10, 2472+10, 20, 6, 20, + NL80211_RRF_NO_IR | NL80211_RRF_AUTO_BW), /* IEEE 802.11 channel 14 - Only JP enables * this and for 802.11b only */ REG_RULE(2484-10, 2484+10, 20, 6, 20, NL80211_RRF_NO_IR | NL80211_RRF_NO_OFDM), /* IEEE 802.11a, channel 36..48 */ - REG_RULE(5180-10, 5240+10, 160, 6, 20, - NL80211_RRF_NO_IR), + REG_RULE(5180-10, 5240+10, 80, 6, 20, + NL80211_RRF_NO_IR | + NL80211_RRF_AUTO_BW), /* IEEE 802.11a, channel 52..64 - DFS required */ - REG_RULE(5260-10, 5320+10, 160, 6, 20, + REG_RULE(5260-10, 5320+10, 80, 6, 20, NL80211_RRF_NO_IR | + NL80211_RRF_AUTO_BW | NL80211_RRF_DFS), /* IEEE 802.11a, channel 100..144 - DFS required */ @@ -2745,7 +2747,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd) const struct ieee80211_power_rule *power_rule = NULL; char bw[32], cac_time[32]; - pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)\n"); + pr_debug(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)\n"); for (i = 0; i < rd->n_reg_rules; i++) { reg_rule = &rd->reg_rules[i]; @@ -2772,7 +2774,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd) * in certain regions */ if (power_rule->max_antenna_gain) - pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm), (%s)\n", + pr_debug(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm), (%s)\n", freq_range->start_freq_khz, freq_range->end_freq_khz, bw, @@ -2780,7 +2782,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd) power_rule->max_eirp, cac_time); else - pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm), (%s)\n", + pr_debug(" (%d KHz - %d KHz @ %s), (N/A, %d mBm), (%s)\n", freq_range->start_freq_khz, freq_range->end_freq_khz, bw, @@ -2813,35 +2815,35 @@ static void print_regdomain(const struct ieee80211_regdomain *rd) struct cfg80211_registered_device *rdev; rdev = cfg80211_rdev_by_wiphy_idx(lr->wiphy_idx); if (rdev) { - pr_info("Current regulatory domain updated by AP to: %c%c\n", + pr_debug("Current regulatory domain updated by AP to: %c%c\n", rdev->country_ie_alpha2[0], rdev->country_ie_alpha2[1]); } else - pr_info("Current regulatory domain intersected:\n"); + pr_debug("Current regulatory domain intersected:\n"); } else - pr_info("Current regulatory domain intersected:\n"); + pr_debug("Current regulatory domain intersected:\n"); } else if (is_world_regdom(rd->alpha2)) { - pr_info("World regulatory domain updated:\n"); + pr_debug("World regulatory domain updated:\n"); } else { if (is_unknown_alpha2(rd->alpha2)) - pr_info("Regulatory domain changed to driver built-in settings (unknown country)\n"); + pr_debug("Regulatory domain changed to driver built-in settings (unknown country)\n"); else { if (reg_request_cell_base(lr)) - pr_info("Regulatory domain changed to country: %c%c by Cell Station\n", + pr_debug("Regulatory domain changed to country: %c%c by Cell Station\n", rd->alpha2[0], rd->alpha2[1]); else - pr_info("Regulatory domain changed to country: %c%c\n", + pr_debug("Regulatory domain changed to country: %c%c\n", rd->alpha2[0], rd->alpha2[1]); } } - pr_info(" DFS Master region: %s", reg_dfs_region_str(rd->dfs_region)); + pr_debug(" DFS Master region: %s", reg_dfs_region_str(rd->dfs_region)); print_rd_rules(rd); } static void print_regdomain_info(const struct ieee80211_regdomain *rd) { - pr_info("Regulatory domain: %c%c\n", rd->alpha2[0], rd->alpha2[1]); + pr_debug("Regulatory domain: %c%c\n", rd->alpha2[0], rd->alpha2[1]); print_rd_rules(rd); } @@ -2862,7 +2864,8 @@ static int reg_set_rd_user(const struct ieee80211_regdomain *rd, return -EALREADY; if (!is_valid_rd(rd)) { - pr_err("Invalid regulatory domain detected:\n"); + pr_err("Invalid regulatory domain detected: %c%c\n", + rd->alpha2[0], rd->alpha2[1]); print_regdomain_info(rd); return -EINVAL; } @@ -2898,7 +2901,8 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd, return -EALREADY; if (!is_valid_rd(rd)) { - pr_err("Invalid regulatory domain detected:\n"); + pr_err("Invalid regulatory domain detected: %c%c\n", + rd->alpha2[0], rd->alpha2[1]); print_regdomain_info(rd); return -EINVAL; } @@ -2956,7 +2960,8 @@ static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd, */ if (!is_valid_rd(rd)) { - pr_err("Invalid regulatory domain detected:\n"); + pr_err("Invalid regulatory domain detected: %c%c\n", + rd->alpha2[0], rd->alpha2[1]); print_regdomain_info(rd); return -EINVAL; } diff --git a/scripts/prune-kernel b/scripts/prune-kernel new file mode 100755 index 000000000000..ab5034e1d081 --- /dev/null +++ b/scripts/prune-kernel @@ -0,0 +1,20 @@ +#!/bin/bash + +# because I use CONFIG_LOCALVERSION_AUTO, not the same version again and +# again, /boot and /lib/modules/ eventually fill up. +# Dumb script to purge that stuff: + +for f in "$@" +do + if rpm -qf "/lib/modules/$f" >/dev/null; then + echo "keeping $f (installed from rpm)" + elif [ $(uname -r) = "$f" ]; then + echo "keeping $f (running kernel) " + else + echo "removing $f" + rm -f "/boot/initramfs-$f.img" "/boot/System.map-$f" + rm -f "/boot/vmlinuz-$f" "/boot/config-$f" + rm -rf "/lib/modules/$f" + new-kernel-pkg --remove $f + fi +done diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c index f7160253f17f..e6ea9d4b1de9 100644 --- a/security/integrity/evm/evm_main.c +++ b/security/integrity/evm/evm_main.c @@ -23,6 +23,7 @@ #include <linux/integrity.h> #include <linux/evm.h> #include <crypto/hash.h> +#include <crypto/algapi.h> #include "evm.h" int evm_initialized; @@ -148,7 +149,7 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry, xattr_value_len, calc.digest); if (rc) break; - rc = memcmp(xattr_data->digest, calc.digest, + rc = crypto_memneq(xattr_data->digest, calc.digest, sizeof(calc.digest)); if (rc) rc = -EINVAL; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index f8110cfd80ff..f1ab71504e1d 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3249,7 +3249,7 @@ static int selinux_inode_listsecurity(struct inode *inode, char *buffer, size_t static void selinux_inode_getsecid(struct inode *inode, u32 *secid) { - struct inode_security_struct *isec = inode_security(inode); + struct inode_security_struct *isec = inode_security_novalidate(inode); *secid = isec->sid; } diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c index 2bbb41822d8e..8495b9368190 100644 --- a/security/selinux/nlmsgtab.c +++ b/security/selinux/nlmsgtab.c @@ -83,6 +83,7 @@ static struct nlmsg_perm nlmsg_tcpdiag_perms[] = { TCPDIAG_GETSOCK, NETLINK_TCPDIAG_SOCKET__NLMSG_READ }, { DCCPDIAG_GETSOCK, NETLINK_TCPDIAG_SOCKET__NLMSG_READ }, { SOCK_DIAG_BY_FAMILY, NETLINK_TCPDIAG_SOCKET__NLMSG_READ }, + { SOCK_DESTROY, NETLINK_TCPDIAG_SOCKET__NLMSG_WRITE }, }; static struct nlmsg_perm nlmsg_xfrm_perms[] = diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 0e73d03b30e3..ebc9fdfe64df 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -835,7 +835,8 @@ static int choose_rate(struct snd_pcm_substream *substream, return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL); } -static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream) +static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream, + bool trylock) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_pcm_hw_params *params, *sparams; @@ -849,7 +850,10 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream) struct snd_mask sformat_mask; struct snd_mask mask; - if (mutex_lock_interruptible(&runtime->oss.params_lock)) + if (trylock) { + if (!(mutex_trylock(&runtime->oss.params_lock))) + return -EAGAIN; + } else if (mutex_lock_interruptible(&runtime->oss.params_lock)) return -EINTR; sw_params = kzalloc(sizeof(*sw_params), GFP_KERNEL); params = kmalloc(sizeof(*params), GFP_KERNEL); @@ -1092,7 +1096,7 @@ static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_fil if (asubstream == NULL) asubstream = substream; if (substream->runtime->oss.params) { - err = snd_pcm_oss_change_params(substream); + err = snd_pcm_oss_change_params(substream, false); if (err < 0) return err; } @@ -1132,7 +1136,7 @@ static int snd_pcm_oss_make_ready(struct snd_pcm_substream *substream) return 0; runtime = substream->runtime; if (runtime->oss.params) { - err = snd_pcm_oss_change_params(substream); + err = snd_pcm_oss_change_params(substream, false); if (err < 0) return err; } @@ -2163,7 +2167,7 @@ static int snd_pcm_oss_get_space(struct snd_pcm_oss_file *pcm_oss_file, int stre runtime = substream->runtime; if (runtime->oss.params && - (err = snd_pcm_oss_change_params(substream)) < 0) + (err = snd_pcm_oss_change_params(substream, false)) < 0) return err; info.fragsize = runtime->oss.period_bytes; @@ -2804,7 +2808,12 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area) return -EIO; if (runtime->oss.params) { - if ((err = snd_pcm_oss_change_params(substream)) < 0) + /* use mutex_trylock() for params_lock for avoiding a deadlock + * between mmap_sem and params_lock taken by + * copy_from/to_user() in snd_pcm_oss_write/read() + */ + err = snd_pcm_oss_change_params(substream, true); + if (err < 0) return err; } #ifdef CONFIG_SND_PCM_OSS_PLUGINS diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index fadd3eb8e8bb..9106d8e2300e 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -74,6 +74,18 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream); static DEFINE_RWLOCK(snd_pcm_link_rwlock); static DECLARE_RWSEM(snd_pcm_link_rwsem); +/* Writer in rwsem may block readers even during its waiting in queue, + * and this may lead to a deadlock when the code path takes read sem + * twice (e.g. one in snd_pcm_action_nonatomic() and another in + * snd_pcm_stream_lock()). As a (suboptimal) workaround, let writer to + * spin until it gets the lock. + */ +static inline void down_write_nonblock(struct rw_semaphore *lock) +{ + while (!down_write_trylock(lock)) + cond_resched(); +} + /** * snd_pcm_stream_lock - Lock the PCM stream * @substream: PCM substream @@ -1813,7 +1825,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd) res = -ENOMEM; goto _nolock; } - down_write(&snd_pcm_link_rwsem); + down_write_nonblock(&snd_pcm_link_rwsem); write_lock_irq(&snd_pcm_link_rwlock); if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN || substream->runtime->status->state != substream1->runtime->status->state || @@ -1860,7 +1872,7 @@ static int snd_pcm_unlink(struct snd_pcm_substream *substream) struct snd_pcm_substream *s; int res = 0; - down_write(&snd_pcm_link_rwsem); + down_write_nonblock(&snd_pcm_link_rwsem); write_lock_irq(&snd_pcm_link_rwlock); if (!snd_pcm_stream_linked(substream)) { res = -EALREADY; diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index a7759846fbaa..795437b10082 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -942,31 +942,36 @@ static long snd_rawmidi_kernel_read1(struct snd_rawmidi_substream *substream, unsigned long flags; long result = 0, count1; struct snd_rawmidi_runtime *runtime = substream->runtime; + unsigned long appl_ptr; + spin_lock_irqsave(&runtime->lock, flags); while (count > 0 && runtime->avail) { count1 = runtime->buffer_size - runtime->appl_ptr; if (count1 > count) count1 = count; - spin_lock_irqsave(&runtime->lock, flags); if (count1 > (int)runtime->avail) count1 = runtime->avail; + + /* update runtime->appl_ptr before unlocking for userbuf */ + appl_ptr = runtime->appl_ptr; + runtime->appl_ptr += count1; + runtime->appl_ptr %= runtime->buffer_size; + runtime->avail -= count1; + if (kernelbuf) - memcpy(kernelbuf + result, runtime->buffer + runtime->appl_ptr, count1); + memcpy(kernelbuf + result, runtime->buffer + appl_ptr, count1); if (userbuf) { spin_unlock_irqrestore(&runtime->lock, flags); if (copy_to_user(userbuf + result, - runtime->buffer + runtime->appl_ptr, count1)) { + runtime->buffer + appl_ptr, count1)) { return result > 0 ? result : -EFAULT; } spin_lock_irqsave(&runtime->lock, flags); } - runtime->appl_ptr += count1; - runtime->appl_ptr %= runtime->buffer_size; - runtime->avail -= count1; - spin_unlock_irqrestore(&runtime->lock, flags); result += count1; count -= count1; } + spin_unlock_irqrestore(&runtime->lock, flags); return result; } @@ -1055,23 +1060,16 @@ int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream) EXPORT_SYMBOL(snd_rawmidi_transmit_empty); /** - * snd_rawmidi_transmit_peek - copy data from the internal buffer + * __snd_rawmidi_transmit_peek - copy data from the internal buffer * @substream: the rawmidi substream * @buffer: the buffer pointer * @count: data size to transfer * - * Copies data from the internal output buffer to the given buffer. - * - * Call this in the interrupt handler when the midi output is ready, - * and call snd_rawmidi_transmit_ack() after the transmission is - * finished. - * - * Return: The size of copied data, or a negative error code on failure. + * This is a variant of snd_rawmidi_transmit_peek() without spinlock. */ -int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, +int __snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, unsigned char *buffer, int count) { - unsigned long flags; int result, count1; struct snd_rawmidi_runtime *runtime = substream->runtime; @@ -1081,7 +1079,6 @@ int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, return -EINVAL; } result = 0; - spin_lock_irqsave(&runtime->lock, flags); if (runtime->avail >= runtime->buffer_size) { /* warning: lowlevel layer MUST trigger down the hardware */ goto __skip; @@ -1106,25 +1103,47 @@ int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, } } __skip: + return result; +} +EXPORT_SYMBOL(__snd_rawmidi_transmit_peek); + +/** + * snd_rawmidi_transmit_peek - copy data from the internal buffer + * @substream: the rawmidi substream + * @buffer: the buffer pointer + * @count: data size to transfer + * + * Copies data from the internal output buffer to the given buffer. + * + * Call this in the interrupt handler when the midi output is ready, + * and call snd_rawmidi_transmit_ack() after the transmission is + * finished. + * + * Return: The size of copied data, or a negative error code on failure. + */ +int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, + unsigned char *buffer, int count) +{ + struct snd_rawmidi_runtime *runtime = substream->runtime; + int result; + unsigned long flags; + + spin_lock_irqsave(&runtime->lock, flags); + result = __snd_rawmidi_transmit_peek(substream, buffer, count); spin_unlock_irqrestore(&runtime->lock, flags); return result; } EXPORT_SYMBOL(snd_rawmidi_transmit_peek); /** - * snd_rawmidi_transmit_ack - acknowledge the transmission + * __snd_rawmidi_transmit_ack - acknowledge the transmission * @substream: the rawmidi substream * @count: the transferred count * - * Advances the hardware pointer for the internal output buffer with - * the given size and updates the condition. - * Call after the transmission is finished. - * - * Return: The advanced size if successful, or a negative error code on failure. + * This is a variant of __snd_rawmidi_transmit_ack() without spinlock. */ -int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count) +int __snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count) { - unsigned long flags; struct snd_rawmidi_runtime *runtime = substream->runtime; if (runtime->buffer == NULL) { @@ -1132,7 +1151,6 @@ int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count) "snd_rawmidi_transmit_ack: output is not active!!!\n"); return -EINVAL; } - spin_lock_irqsave(&runtime->lock, flags); snd_BUG_ON(runtime->avail + count > runtime->buffer_size); runtime->hw_ptr += count; runtime->hw_ptr %= runtime->buffer_size; @@ -1142,9 +1160,32 @@ int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count) if (runtime->drain || snd_rawmidi_ready(substream)) wake_up(&runtime->sleep); } - spin_unlock_irqrestore(&runtime->lock, flags); return count; } +EXPORT_SYMBOL(__snd_rawmidi_transmit_ack); + +/** + * snd_rawmidi_transmit_ack - acknowledge the transmission + * @substream: the rawmidi substream + * @count: the transferred count + * + * Advances the hardware pointer for the internal output buffer with + * the given size and updates the condition. + * Call after the transmission is finished. + * + * Return: The advanced size if successful, or a negative error code on failure. + */ +int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count) +{ + struct snd_rawmidi_runtime *runtime = substream->runtime; + int result; + unsigned long flags; + + spin_lock_irqsave(&runtime->lock, flags); + result = __snd_rawmidi_transmit_ack(substream, count); + spin_unlock_irqrestore(&runtime->lock, flags); + return result; +} EXPORT_SYMBOL(snd_rawmidi_transmit_ack); /** @@ -1160,12 +1201,22 @@ EXPORT_SYMBOL(snd_rawmidi_transmit_ack); int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream, unsigned char *buffer, int count) { + struct snd_rawmidi_runtime *runtime = substream->runtime; + int result; + unsigned long flags; + + spin_lock_irqsave(&runtime->lock, flags); if (!substream->opened) - return -EBADFD; - count = snd_rawmidi_transmit_peek(substream, buffer, count); - if (count < 0) - return count; - return snd_rawmidi_transmit_ack(substream, count); + result = -EBADFD; + else { + count = __snd_rawmidi_transmit_peek(substream, buffer, count); + if (count <= 0) + result = count; + else + result = __snd_rawmidi_transmit_ack(substream, count); + } + spin_unlock_irqrestore(&runtime->lock, flags); + return result; } EXPORT_SYMBOL(snd_rawmidi_transmit); @@ -1177,8 +1228,9 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream, unsigned long flags; long count1, result; struct snd_rawmidi_runtime *runtime = substream->runtime; + unsigned long appl_ptr; - if (snd_BUG_ON(!kernelbuf && !userbuf)) + if (!kernelbuf && !userbuf) return -EINVAL; if (snd_BUG_ON(!runtime->buffer)) return -EINVAL; @@ -1197,12 +1249,19 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream, count1 = count; if (count1 > (long)runtime->avail) count1 = runtime->avail; + + /* update runtime->appl_ptr before unlocking for userbuf */ + appl_ptr = runtime->appl_ptr; + runtime->appl_ptr += count1; + runtime->appl_ptr %= runtime->buffer_size; + runtime->avail -= count1; + if (kernelbuf) - memcpy(runtime->buffer + runtime->appl_ptr, + memcpy(runtime->buffer + appl_ptr, kernelbuf + result, count1); else if (userbuf) { spin_unlock_irqrestore(&runtime->lock, flags); - if (copy_from_user(runtime->buffer + runtime->appl_ptr, + if (copy_from_user(runtime->buffer + appl_ptr, userbuf + result, count1)) { spin_lock_irqsave(&runtime->lock, flags); result = result > 0 ? result : -EFAULT; @@ -1210,9 +1269,6 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream, } spin_lock_irqsave(&runtime->lock, flags); } - runtime->appl_ptr += count1; - runtime->appl_ptr %= runtime->buffer_size; - runtime->avail -= count1; result += count1; count -= count1; } diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 13cfa815732d..58e79e02f217 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -678,6 +678,9 @@ static int deliver_to_subscribers(struct snd_seq_client *client, else down_read(&grp->list_mutex); list_for_each_entry(subs, &grp->list_head, src_list) { + /* both ports ready? */ + if (atomic_read(&subs->ref_count) != 2) + continue; event->dest = subs->info.dest; if (subs->info.flags & SNDRV_SEQ_PORT_SUBS_TIMESTAMP) /* convert time according to flag with subscription */ diff --git a/sound/core/seq/seq_memory.c b/sound/core/seq/seq_memory.c index 801076687bb1..c850345c43b5 100644 --- a/sound/core/seq/seq_memory.c +++ b/sound/core/seq/seq_memory.c @@ -383,15 +383,20 @@ int snd_seq_pool_init(struct snd_seq_pool *pool) if (snd_BUG_ON(!pool)) return -EINVAL; - if (pool->ptr) /* should be atomic? */ - return 0; - pool->ptr = vmalloc(sizeof(struct snd_seq_event_cell) * pool->size); - if (!pool->ptr) + cellptr = vmalloc(sizeof(struct snd_seq_event_cell) * pool->size); + if (!cellptr) return -ENOMEM; /* add new cells to the free cell list */ spin_lock_irqsave(&pool->lock, flags); + if (pool->ptr) { + spin_unlock_irqrestore(&pool->lock, flags); + vfree(cellptr); + return 0; + } + + pool->ptr = cellptr; pool->free = NULL; for (cell = 0; cell < pool->size; cell++) { diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c index 55170a20ae72..fe686ee41c6d 100644 --- a/sound/core/seq/seq_ports.c +++ b/sound/core/seq/seq_ports.c @@ -173,10 +173,6 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, } /* */ -enum group_type { - SRC_LIST, DEST_LIST -}; - static int subscribe_port(struct snd_seq_client *client, struct snd_seq_client_port *port, struct snd_seq_port_subs_info *grp, @@ -203,6 +199,20 @@ static struct snd_seq_client_port *get_client_port(struct snd_seq_addr *addr, return NULL; } +static void delete_and_unsubscribe_port(struct snd_seq_client *client, + struct snd_seq_client_port *port, + struct snd_seq_subscribers *subs, + bool is_src, bool ack); + +static inline struct snd_seq_subscribers * +get_subscriber(struct list_head *p, bool is_src) +{ + if (is_src) + return list_entry(p, struct snd_seq_subscribers, src_list); + else + return list_entry(p, struct snd_seq_subscribers, dest_list); +} + /* * remove all subscribers on the list * this is called from port_delete, for each src and dest list. @@ -210,7 +220,7 @@ static struct snd_seq_client_port *get_client_port(struct snd_seq_addr *addr, static void clear_subscriber_list(struct snd_seq_client *client, struct snd_seq_client_port *port, struct snd_seq_port_subs_info *grp, - int grptype) + int is_src) { struct list_head *p, *n; @@ -219,15 +229,13 @@ static void clear_subscriber_list(struct snd_seq_client *client, struct snd_seq_client *c; struct snd_seq_client_port *aport; - if (grptype == SRC_LIST) { - subs = list_entry(p, struct snd_seq_subscribers, src_list); + subs = get_subscriber(p, is_src); + if (is_src) aport = get_client_port(&subs->info.dest, &c); - } else { - subs = list_entry(p, struct snd_seq_subscribers, dest_list); + else aport = get_client_port(&subs->info.sender, &c); - } - list_del(p); - unsubscribe_port(client, port, grp, &subs->info, 0); + delete_and_unsubscribe_port(client, port, subs, is_src, false); + if (!aport) { /* looks like the connected port is being deleted. * we decrease the counter, and when both ports are deleted @@ -235,21 +243,14 @@ static void clear_subscriber_list(struct snd_seq_client *client, */ if (atomic_dec_and_test(&subs->ref_count)) kfree(subs); - } else { - /* ok we got the connected port */ - struct snd_seq_port_subs_info *agrp; - agrp = (grptype == SRC_LIST) ? &aport->c_dest : &aport->c_src; - down_write(&agrp->list_mutex); - if (grptype == SRC_LIST) - list_del(&subs->dest_list); - else - list_del(&subs->src_list); - up_write(&agrp->list_mutex); - unsubscribe_port(c, aport, agrp, &subs->info, 1); - kfree(subs); - snd_seq_port_unlock(aport); - snd_seq_client_unlock(c); + continue; } + + /* ok we got the connected port */ + delete_and_unsubscribe_port(c, aport, subs, !is_src, true); + kfree(subs); + snd_seq_port_unlock(aport); + snd_seq_client_unlock(c); } } @@ -262,8 +263,8 @@ static int port_delete(struct snd_seq_client *client, snd_use_lock_sync(&port->use_lock); /* clear subscribers info */ - clear_subscriber_list(client, port, &port->c_src, SRC_LIST); - clear_subscriber_list(client, port, &port->c_dest, DEST_LIST); + clear_subscriber_list(client, port, &port->c_src, true); + clear_subscriber_list(client, port, &port->c_dest, false); if (port->private_free) port->private_free(port->private_data); @@ -479,85 +480,123 @@ static int match_subs_info(struct snd_seq_port_subscribe *r, return 0; } - -/* connect two ports */ -int snd_seq_port_connect(struct snd_seq_client *connector, - struct snd_seq_client *src_client, - struct snd_seq_client_port *src_port, - struct snd_seq_client *dest_client, - struct snd_seq_client_port *dest_port, - struct snd_seq_port_subscribe *info) +static int check_and_subscribe_port(struct snd_seq_client *client, + struct snd_seq_client_port *port, + struct snd_seq_subscribers *subs, + bool is_src, bool exclusive, bool ack) { - struct snd_seq_port_subs_info *src = &src_port->c_src; - struct snd_seq_port_subs_info *dest = &dest_port->c_dest; - struct snd_seq_subscribers *subs, *s; - int err, src_called = 0; - unsigned long flags; - int exclusive; - - subs = kzalloc(sizeof(*subs), GFP_KERNEL); - if (! subs) - return -ENOMEM; - - subs->info = *info; - atomic_set(&subs->ref_count, 2); + struct snd_seq_port_subs_info *grp; + struct list_head *p; + struct snd_seq_subscribers *s; + int err; - down_write(&src->list_mutex); - down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING); - - exclusive = info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE ? 1 : 0; + grp = is_src ? &port->c_src : &port->c_dest; err = -EBUSY; + down_write(&grp->list_mutex); if (exclusive) { - if (! list_empty(&src->list_head) || ! list_empty(&dest->list_head)) + if (!list_empty(&grp->list_head)) goto __error; } else { - if (src->exclusive || dest->exclusive) + if (grp->exclusive) goto __error; /* check whether already exists */ - list_for_each_entry(s, &src->list_head, src_list) { - if (match_subs_info(info, &s->info)) - goto __error; - } - list_for_each_entry(s, &dest->list_head, dest_list) { - if (match_subs_info(info, &s->info)) + list_for_each(p, &grp->list_head) { + s = get_subscriber(p, is_src); + if (match_subs_info(&subs->info, &s->info)) goto __error; } } - if ((err = subscribe_port(src_client, src_port, src, info, - connector->number != src_client->number)) < 0) - goto __error; - src_called = 1; - - if ((err = subscribe_port(dest_client, dest_port, dest, info, - connector->number != dest_client->number)) < 0) + err = subscribe_port(client, port, grp, &subs->info, ack); + if (err < 0) { + grp->exclusive = 0; goto __error; + } /* add to list */ - write_lock_irqsave(&src->list_lock, flags); - // write_lock(&dest->list_lock); // no other lock yet - list_add_tail(&subs->src_list, &src->list_head); - list_add_tail(&subs->dest_list, &dest->list_head); - // write_unlock(&dest->list_lock); // no other lock yet - write_unlock_irqrestore(&src->list_lock, flags); + write_lock_irq(&grp->list_lock); + if (is_src) + list_add_tail(&subs->src_list, &grp->list_head); + else + list_add_tail(&subs->dest_list, &grp->list_head); + grp->exclusive = exclusive; + atomic_inc(&subs->ref_count); + write_unlock_irq(&grp->list_lock); + err = 0; - src->exclusive = dest->exclusive = exclusive; + __error: + up_write(&grp->list_mutex); + return err; +} + +static void delete_and_unsubscribe_port(struct snd_seq_client *client, + struct snd_seq_client_port *port, + struct snd_seq_subscribers *subs, + bool is_src, bool ack) +{ + struct snd_seq_port_subs_info *grp; + struct list_head *list; + bool empty; + + grp = is_src ? &port->c_src : &port->c_dest; + list = is_src ? &subs->src_list : &subs->dest_list; + down_write(&grp->list_mutex); + write_lock_irq(&grp->list_lock); + empty = list_empty(list); + if (!empty) + list_del_init(list); + grp->exclusive = 0; + write_unlock_irq(&grp->list_lock); + up_write(&grp->list_mutex); + + if (!empty) + unsubscribe_port(client, port, grp, &subs->info, ack); +} + +/* connect two ports */ +int snd_seq_port_connect(struct snd_seq_client *connector, + struct snd_seq_client *src_client, + struct snd_seq_client_port *src_port, + struct snd_seq_client *dest_client, + struct snd_seq_client_port *dest_port, + struct snd_seq_port_subscribe *info) +{ + struct snd_seq_subscribers *subs; + bool exclusive; + int err; + + subs = kzalloc(sizeof(*subs), GFP_KERNEL); + if (!subs) + return -ENOMEM; + + subs->info = *info; + atomic_set(&subs->ref_count, 0); + INIT_LIST_HEAD(&subs->src_list); + INIT_LIST_HEAD(&subs->dest_list); + + exclusive = !!(info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE); + + err = check_and_subscribe_port(src_client, src_port, subs, true, + exclusive, + connector->number != src_client->number); + if (err < 0) + goto error; + err = check_and_subscribe_port(dest_client, dest_port, subs, false, + exclusive, + connector->number != dest_client->number); + if (err < 0) + goto error_dest; - up_write(&dest->list_mutex); - up_write(&src->list_mutex); return 0; - __error: - if (src_called) - unsubscribe_port(src_client, src_port, src, info, - connector->number != src_client->number); + error_dest: + delete_and_unsubscribe_port(src_client, src_port, subs, true, + connector->number != src_client->number); + error: kfree(subs); - up_write(&dest->list_mutex); - up_write(&src->list_mutex); return err; } - /* remove the connection */ int snd_seq_port_disconnect(struct snd_seq_client *connector, struct snd_seq_client *src_client, @@ -567,37 +606,28 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector, struct snd_seq_port_subscribe *info) { struct snd_seq_port_subs_info *src = &src_port->c_src; - struct snd_seq_port_subs_info *dest = &dest_port->c_dest; struct snd_seq_subscribers *subs; int err = -ENOENT; - unsigned long flags; down_write(&src->list_mutex); - down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING); - /* look for the connection */ list_for_each_entry(subs, &src->list_head, src_list) { if (match_subs_info(info, &subs->info)) { - write_lock_irqsave(&src->list_lock, flags); - // write_lock(&dest->list_lock); // no lock yet - list_del(&subs->src_list); - list_del(&subs->dest_list); - // write_unlock(&dest->list_lock); - write_unlock_irqrestore(&src->list_lock, flags); - src->exclusive = dest->exclusive = 0; - unsubscribe_port(src_client, src_port, src, info, - connector->number != src_client->number); - unsubscribe_port(dest_client, dest_port, dest, info, - connector->number != dest_client->number); - kfree(subs); + atomic_dec(&subs->ref_count); /* mark as not ready */ err = 0; break; } } - - up_write(&dest->list_mutex); up_write(&src->list_mutex); - return err; + if (err < 0) + return err; + + delete_and_unsubscribe_port(src_client, src_port, subs, true, + connector->number != src_client->number); + delete_and_unsubscribe_port(dest_client, dest_port, subs, false, + connector->number != dest_client->number); + kfree(subs); + return 0; } diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c index 82b220c769c1..293104926098 100644 --- a/sound/core/seq/seq_timer.c +++ b/sound/core/seq/seq_timer.c @@ -90,6 +90,9 @@ void snd_seq_timer_delete(struct snd_seq_timer **tmr) void snd_seq_timer_defaults(struct snd_seq_timer * tmr) { + unsigned long flags; + + spin_lock_irqsave(&tmr->lock, flags); /* setup defaults */ tmr->ppq = 96; /* 96 PPQ */ tmr->tempo = 500000; /* 120 BPM */ @@ -105,21 +108,25 @@ void snd_seq_timer_defaults(struct snd_seq_timer * tmr) tmr->preferred_resolution = seq_default_timer_resolution; tmr->skew = tmr->skew_base = SKEW_BASE; + spin_unlock_irqrestore(&tmr->lock, flags); } -void snd_seq_timer_reset(struct snd_seq_timer * tmr) +static void seq_timer_reset(struct snd_seq_timer *tmr) { - unsigned long flags; - - spin_lock_irqsave(&tmr->lock, flags); - /* reset time & songposition */ tmr->cur_time.tv_sec = 0; tmr->cur_time.tv_nsec = 0; tmr->tick.cur_tick = 0; tmr->tick.fraction = 0; +} + +void snd_seq_timer_reset(struct snd_seq_timer *tmr) +{ + unsigned long flags; + spin_lock_irqsave(&tmr->lock, flags); + seq_timer_reset(tmr); spin_unlock_irqrestore(&tmr->lock, flags); } @@ -138,8 +145,11 @@ static void snd_seq_timer_interrupt(struct snd_timer_instance *timeri, tmr = q->timer; if (tmr == NULL) return; - if (!tmr->running) + spin_lock_irqsave(&tmr->lock, flags); + if (!tmr->running) { + spin_unlock_irqrestore(&tmr->lock, flags); return; + } resolution *= ticks; if (tmr->skew != tmr->skew_base) { @@ -148,8 +158,6 @@ static void snd_seq_timer_interrupt(struct snd_timer_instance *timeri, (((resolution & 0xffff) * tmr->skew) >> 16); } - spin_lock_irqsave(&tmr->lock, flags); - /* update timer */ snd_seq_inc_time_nsec(&tmr->cur_time, resolution); @@ -296,26 +304,30 @@ int snd_seq_timer_open(struct snd_seq_queue *q) t->callback = snd_seq_timer_interrupt; t->callback_data = q; t->flags |= SNDRV_TIMER_IFLG_AUTO; + spin_lock_irq(&tmr->lock); tmr->timeri = t; + spin_unlock_irq(&tmr->lock); return 0; } int snd_seq_timer_close(struct snd_seq_queue *q) { struct snd_seq_timer *tmr; + struct snd_timer_instance *t; tmr = q->timer; if (snd_BUG_ON(!tmr)) return -EINVAL; - if (tmr->timeri) { - snd_timer_stop(tmr->timeri); - snd_timer_close(tmr->timeri); - tmr->timeri = NULL; - } + spin_lock_irq(&tmr->lock); + t = tmr->timeri; + tmr->timeri = NULL; + spin_unlock_irq(&tmr->lock); + if (t) + snd_timer_close(t); return 0; } -int snd_seq_timer_stop(struct snd_seq_timer * tmr) +static int seq_timer_stop(struct snd_seq_timer *tmr) { if (! tmr->timeri) return -EINVAL; @@ -326,6 +338,17 @@ int snd_seq_timer_stop(struct snd_seq_timer * tmr) return 0; } +int snd_seq_timer_stop(struct snd_seq_timer *tmr) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&tmr->lock, flags); + err = seq_timer_stop(tmr); + spin_unlock_irqrestore(&tmr->lock, flags); + return err; +} + static int initialize_timer(struct snd_seq_timer *tmr) { struct snd_timer *t; @@ -358,13 +381,13 @@ static int initialize_timer(struct snd_seq_timer *tmr) return 0; } -int snd_seq_timer_start(struct snd_seq_timer * tmr) +static int seq_timer_start(struct snd_seq_timer *tmr) { if (! tmr->timeri) return -EINVAL; if (tmr->running) - snd_seq_timer_stop(tmr); - snd_seq_timer_reset(tmr); + seq_timer_stop(tmr); + seq_timer_reset(tmr); if (initialize_timer(tmr) < 0) return -EINVAL; snd_timer_start(tmr->timeri, tmr->ticks); @@ -373,14 +396,25 @@ int snd_seq_timer_start(struct snd_seq_timer * tmr) return 0; } -int snd_seq_timer_continue(struct snd_seq_timer * tmr) +int snd_seq_timer_start(struct snd_seq_timer *tmr) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&tmr->lock, flags); + err = seq_timer_start(tmr); + spin_unlock_irqrestore(&tmr->lock, flags); + return err; +} + +static int seq_timer_continue(struct snd_seq_timer *tmr) { if (! tmr->timeri) return -EINVAL; if (tmr->running) return -EBUSY; if (! tmr->initialized) { - snd_seq_timer_reset(tmr); + seq_timer_reset(tmr); if (initialize_timer(tmr) < 0) return -EINVAL; } @@ -390,11 +424,24 @@ int snd_seq_timer_continue(struct snd_seq_timer * tmr) return 0; } +int snd_seq_timer_continue(struct snd_seq_timer *tmr) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&tmr->lock, flags); + err = seq_timer_continue(tmr); + spin_unlock_irqrestore(&tmr->lock, flags); + return err; +} + /* return current 'real' time. use timeofday() to get better granularity. */ snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr) { snd_seq_real_time_t cur_time; + unsigned long flags; + spin_lock_irqsave(&tmr->lock, flags); cur_time = tmr->cur_time; if (tmr->running) { struct timeval tm; @@ -410,7 +457,7 @@ snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr) } snd_seq_sanity_real_time(&cur_time); } - + spin_unlock_irqrestore(&tmr->lock, flags); return cur_time; } diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c index 3da2d48610b3..c82ed3e70506 100644 --- a/sound/core/seq/seq_virmidi.c +++ b/sound/core/seq/seq_virmidi.c @@ -155,21 +155,26 @@ static void snd_virmidi_output_trigger(struct snd_rawmidi_substream *substream, struct snd_virmidi *vmidi = substream->runtime->private_data; int count, res; unsigned char buf[32], *pbuf; + unsigned long flags; if (up) { vmidi->trigger = 1; if (vmidi->seq_mode == SNDRV_VIRMIDI_SEQ_DISPATCH && !(vmidi->rdev->flags & SNDRV_VIRMIDI_SUBSCRIBE)) { - snd_rawmidi_transmit_ack(substream, substream->runtime->buffer_size - substream->runtime->avail); - return; /* ignored */ + while (snd_rawmidi_transmit(substream, buf, + sizeof(buf)) > 0) { + /* ignored */ + } + return; } if (vmidi->event.type != SNDRV_SEQ_EVENT_NONE) { if (snd_seq_kernel_client_dispatch(vmidi->client, &vmidi->event, in_atomic(), 0) < 0) return; vmidi->event.type = SNDRV_SEQ_EVENT_NONE; } + spin_lock_irqsave(&substream->runtime->lock, flags); while (1) { - count = snd_rawmidi_transmit_peek(substream, buf, sizeof(buf)); + count = __snd_rawmidi_transmit_peek(substream, buf, sizeof(buf)); if (count <= 0) break; pbuf = buf; @@ -179,16 +184,18 @@ static void snd_virmidi_output_trigger(struct snd_rawmidi_substream *substream, snd_midi_event_reset_encode(vmidi->parser); continue; } - snd_rawmidi_transmit_ack(substream, res); + __snd_rawmidi_transmit_ack(substream, res); pbuf += res; count -= res; if (vmidi->event.type != SNDRV_SEQ_EVENT_NONE) { if (snd_seq_kernel_client_dispatch(vmidi->client, &vmidi->event, in_atomic(), 0) < 0) - return; + goto out; vmidi->event.type = SNDRV_SEQ_EVENT_NONE; } } } + out: + spin_unlock_irqrestore(&substream->runtime->lock, flags); } else { vmidi->trigger = 0; } @@ -254,9 +261,13 @@ static int snd_virmidi_output_open(struct snd_rawmidi_substream *substream) */ static int snd_virmidi_input_close(struct snd_rawmidi_substream *substream) { + struct snd_virmidi_dev *rdev = substream->rmidi->private_data; struct snd_virmidi *vmidi = substream->runtime->private_data; - snd_midi_event_free(vmidi->parser); + + write_lock_irq(&rdev->filelist_lock); list_del(&vmidi->list); + write_unlock_irq(&rdev->filelist_lock); + snd_midi_event_free(vmidi->parser); substream->runtime->private_data = NULL; kfree(vmidi); return 0; diff --git a/sound/core/timer.c b/sound/core/timer.c index af1f68f7e315..dca817fc7894 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -422,7 +422,7 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event) spin_lock_irqsave(&timer->lock, flags); list_for_each_entry(ts, &ti->slave_active_head, active_list) if (ts->ccallback) - ts->ccallback(ti, event + 100, &tstamp, resolution); + ts->ccallback(ts, event + 100, &tstamp, resolution); spin_unlock_irqrestore(&timer->lock, flags); } @@ -451,6 +451,10 @@ static int snd_timer_start_slave(struct snd_timer_instance *timeri) unsigned long flags; spin_lock_irqsave(&slave_active_lock, flags); + if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) { + spin_unlock_irqrestore(&slave_active_lock, flags); + return -EBUSY; + } timeri->flags |= SNDRV_TIMER_IFLG_RUNNING; if (timeri->master && timeri->timer) { spin_lock(&timeri->timer->lock); @@ -475,7 +479,8 @@ int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks) return -EINVAL; if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) { result = snd_timer_start_slave(timeri); - snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START); + if (result >= 0) + snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START); return result; } timer = timeri->timer; @@ -484,11 +489,18 @@ int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks) if (timer->card && timer->card->shutdown) return -ENODEV; spin_lock_irqsave(&timer->lock, flags); + if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING | + SNDRV_TIMER_IFLG_START)) { + result = -EBUSY; + goto unlock; + } timeri->ticks = timeri->cticks = ticks; timeri->pticks = 0; result = snd_timer_start1(timer, timeri, ticks); + unlock: spin_unlock_irqrestore(&timer->lock, flags); - snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START); + if (result >= 0) + snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START); return result; } @@ -502,9 +514,17 @@ static int _snd_timer_stop(struct snd_timer_instance *timeri, int event) if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) { spin_lock_irqsave(&slave_active_lock, flags); + if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) { + spin_unlock_irqrestore(&slave_active_lock, flags); + return -EBUSY; + } + if (timeri->timer) + spin_lock(&timeri->timer->lock); timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING; list_del_init(&timeri->ack_list); list_del_init(&timeri->active_list); + if (timeri->timer) + spin_unlock(&timeri->timer->lock); spin_unlock_irqrestore(&slave_active_lock, flags); goto __end; } @@ -512,6 +532,11 @@ static int _snd_timer_stop(struct snd_timer_instance *timeri, int event) if (!timer) return -EINVAL; spin_lock_irqsave(&timer->lock, flags); + if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING | + SNDRV_TIMER_IFLG_START))) { + spin_unlock_irqrestore(&timer->lock, flags); + return -EBUSY; + } list_del_init(&timeri->ack_list); list_del_init(&timeri->active_list); if (timer->card && timer->card->shutdown) { @@ -581,10 +606,15 @@ int snd_timer_continue(struct snd_timer_instance *timeri) if (timer->card && timer->card->shutdown) return -ENODEV; spin_lock_irqsave(&timer->lock, flags); + if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) { + result = -EBUSY; + goto unlock; + } if (!timeri->cticks) timeri->cticks = 1; timeri->pticks = 0; result = snd_timer_start1(timer, timeri, timer->sticks); + unlock: spin_unlock_irqrestore(&timer->lock, flags); snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_CONTINUE); return result; @@ -718,8 +748,8 @@ void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left) ti->cticks = ti->ticks; } else { ti->flags &= ~SNDRV_TIMER_IFLG_RUNNING; - if (--timer->running) - list_del_init(&ti->active_list); + --timer->running; + list_del_init(&ti->active_list); } if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) || (ti->flags & SNDRV_TIMER_IFLG_FAST)) @@ -1032,11 +1062,21 @@ static int snd_timer_s_stop(struct snd_timer * timer) return 0; } +static int snd_timer_s_close(struct snd_timer *timer) +{ + struct snd_timer_system_private *priv; + + priv = (struct snd_timer_system_private *)timer->private_data; + del_timer_sync(&priv->tlist); + return 0; +} + static struct snd_timer_hardware snd_timer_system = { .flags = SNDRV_TIMER_HW_FIRST | SNDRV_TIMER_HW_TASKLET, .resolution = 1000000000L / HZ, .ticks = 10000000L, + .close = snd_timer_s_close, .start = snd_timer_s_start, .stop = snd_timer_s_stop }; @@ -1893,6 +1933,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, { struct snd_timer_user *tu; long result = 0, unit; + int qhead; int err = 0; tu = file->private_data; @@ -1904,7 +1945,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) { err = -EAGAIN; - break; + goto _error; } set_current_state(TASK_INTERRUPTIBLE); @@ -1919,42 +1960,37 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, if (tu->disconnected) { err = -ENODEV; - break; + goto _error; } if (signal_pending(current)) { err = -ERESTARTSYS; - break; + goto _error; } } + qhead = tu->qhead++; + tu->qhead %= tu->queue_size; spin_unlock_irq(&tu->qlock); - if (err < 0) - goto _error; if (tu->tread) { - if (copy_to_user(buffer, &tu->tqueue[tu->qhead++], - sizeof(struct snd_timer_tread))) { + if (copy_to_user(buffer, &tu->tqueue[qhead], + sizeof(struct snd_timer_tread))) err = -EFAULT; - goto _error; - } } else { - if (copy_to_user(buffer, &tu->queue[tu->qhead++], - sizeof(struct snd_timer_read))) { + if (copy_to_user(buffer, &tu->queue[qhead], + sizeof(struct snd_timer_read))) err = -EFAULT; - goto _error; - } } - tu->qhead %= tu->queue_size; - - result += unit; - buffer += unit; - spin_lock_irq(&tu->qlock); tu->qused--; + if (err < 0) + goto _error; + result += unit; + buffer += unit; } - spin_unlock_irq(&tu->qlock); _error: + spin_unlock_irq(&tu->qlock); return result > 0 ? result : err; } diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index bde33308f0d6..c0f8f613f1f1 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -87,7 +87,7 @@ MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-128) for dummy driver."); module_param(fake_buffer, bool, 0444); MODULE_PARM_DESC(fake_buffer, "Fake buffer allocations."); #ifdef CONFIG_HIGH_RES_TIMERS -module_param(hrtimer, bool, 0444); +module_param(hrtimer, bool, 0644); MODULE_PARM_DESC(hrtimer, "Use hrtimer as the timer source."); #endif @@ -109,6 +109,9 @@ struct dummy_timer_ops { snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *); }; +#define get_dummy_ops(substream) \ + (*(const struct dummy_timer_ops **)(substream)->runtime->private_data) + struct dummy_model { const char *name; int (*playback_constraints)(struct snd_pcm_runtime *runtime); @@ -137,7 +140,6 @@ struct snd_dummy { int iobox; struct snd_kcontrol *cd_volume_ctl; struct snd_kcontrol *cd_switch_ctl; - const struct dummy_timer_ops *timer_ops; }; /* @@ -231,6 +233,8 @@ static struct dummy_model *dummy_models[] = { */ struct dummy_systimer_pcm { + /* ops must be the first item */ + const struct dummy_timer_ops *timer_ops; spinlock_t lock; struct timer_list timer; unsigned long base_time; @@ -366,6 +370,8 @@ static const struct dummy_timer_ops dummy_systimer_ops = { */ struct dummy_hrtimer_pcm { + /* ops must be the first item */ + const struct dummy_timer_ops *timer_ops; ktime_t base_time; ktime_t period_time; atomic_t running; @@ -492,31 +498,25 @@ static const struct dummy_timer_ops dummy_hrtimer_ops = { static int dummy_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { - struct snd_dummy *dummy = snd_pcm_substream_chip(substream); - switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: - return dummy->timer_ops->start(substream); + return get_dummy_ops(substream)->start(substream); case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: - return dummy->timer_ops->stop(substream); + return get_dummy_ops(substream)->stop(substream); } return -EINVAL; } static int dummy_pcm_prepare(struct snd_pcm_substream *substream) { - struct snd_dummy *dummy = snd_pcm_substream_chip(substream); - - return dummy->timer_ops->prepare(substream); + return get_dummy_ops(substream)->prepare(substream); } static snd_pcm_uframes_t dummy_pcm_pointer(struct snd_pcm_substream *substream) { - struct snd_dummy *dummy = snd_pcm_substream_chip(substream); - - return dummy->timer_ops->pointer(substream); + return get_dummy_ops(substream)->pointer(substream); } static struct snd_pcm_hardware dummy_pcm_hardware = { @@ -562,17 +562,19 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream) struct snd_dummy *dummy = snd_pcm_substream_chip(substream); struct dummy_model *model = dummy->model; struct snd_pcm_runtime *runtime = substream->runtime; + const struct dummy_timer_ops *ops; int err; - dummy->timer_ops = &dummy_systimer_ops; + ops = &dummy_systimer_ops; #ifdef CONFIG_HIGH_RES_TIMERS if (hrtimer) - dummy->timer_ops = &dummy_hrtimer_ops; + ops = &dummy_hrtimer_ops; #endif - err = dummy->timer_ops->create(substream); + err = ops->create(substream); if (err < 0) return err; + get_dummy_ops(substream) = ops; runtime->hw = dummy->pcm_hw; if (substream->pcm->device & 1) { @@ -594,7 +596,7 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream) err = model->capture_constraints(substream->runtime); } if (err < 0) { - dummy->timer_ops->free(substream); + get_dummy_ops(substream)->free(substream); return err; } return 0; @@ -602,8 +604,7 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream) static int dummy_pcm_close(struct snd_pcm_substream *substream) { - struct snd_dummy *dummy = snd_pcm_substream_chip(substream); - dummy->timer_ops->free(substream); + get_dummy_ops(substream)->free(substream); return 0; } diff --git a/sound/firewire/digi00x/amdtp-dot.c b/sound/firewire/digi00x/amdtp-dot.c index b02a5e8cad44..0ac92aba5bc1 100644 --- a/sound/firewire/digi00x/amdtp-dot.c +++ b/sound/firewire/digi00x/amdtp-dot.c @@ -63,7 +63,7 @@ struct amdtp_dot { #define BYTE_PER_SAMPLE (4) #define MAGIC_DOT_BYTE (2) #define MAGIC_BYTE_OFF(x) (((x) * BYTE_PER_SAMPLE) + MAGIC_DOT_BYTE) -static const u8 dot_scrt(const u8 idx, const unsigned int off) +static u8 dot_scrt(const u8 idx, const unsigned int off) { /* * the length of the added pattern only depends on the lower nibble diff --git a/sound/firewire/tascam/tascam-transaction.c b/sound/firewire/tascam/tascam-transaction.c index 904ce0329fa1..040a96d1ba8e 100644 --- a/sound/firewire/tascam/tascam-transaction.c +++ b/sound/firewire/tascam/tascam-transaction.c @@ -230,6 +230,7 @@ int snd_tscm_transaction_register(struct snd_tscm *tscm) return err; error: fw_core_remove_address_handler(&tscm->async_handler); + tscm->async_handler.callback_data = NULL; return err; } @@ -276,6 +277,9 @@ void snd_tscm_transaction_unregister(struct snd_tscm *tscm) __be32 reg; unsigned int i; + if (tscm->async_handler.callback_data == NULL) + return; + /* Turn off FireWire LED. */ reg = cpu_to_be32(0x0000008e); snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST, @@ -297,6 +301,8 @@ void snd_tscm_transaction_unregister(struct snd_tscm *tscm) ®, sizeof(reg), 0); fw_core_remove_address_handler(&tscm->async_handler); + tscm->async_handler.callback_data = NULL; + for (i = 0; i < TSCM_MIDI_OUT_PORT_MAX; i++) snd_fw_async_midi_port_destroy(&tscm->out_ports[i]); } diff --git a/sound/firewire/tascam/tascam.c b/sound/firewire/tascam/tascam.c index ee0bc1839508..e281c338e562 100644 --- a/sound/firewire/tascam/tascam.c +++ b/sound/firewire/tascam/tascam.c @@ -21,7 +21,6 @@ static struct snd_tscm_spec model_specs[] = { .pcm_playback_analog_channels = 8, .midi_capture_ports = 4, .midi_playback_ports = 4, - .is_controller = true, }, { .name = "FW-1082", @@ -31,9 +30,16 @@ static struct snd_tscm_spec model_specs[] = { .pcm_playback_analog_channels = 2, .midi_capture_ports = 2, .midi_playback_ports = 2, - .is_controller = true, }, - /* FW-1804 may be supported. */ + { + .name = "FW-1804", + .has_adat = true, + .has_spdif = true, + .pcm_capture_analog_channels = 8, + .pcm_playback_analog_channels = 2, + .midi_capture_ports = 2, + .midi_playback_ports = 4, + }, }; static int identify_model(struct snd_tscm *tscm) diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h index 2d028d2bd3bd..30ab77e924f7 100644 --- a/sound/firewire/tascam/tascam.h +++ b/sound/firewire/tascam/tascam.h @@ -39,7 +39,6 @@ struct snd_tscm_spec { unsigned int pcm_playback_analog_channels; unsigned int midi_capture_ports; unsigned int midi_playback_ports; - bool is_controller; }; #define TSCM_MIDI_IN_PORT_MAX 4 @@ -72,9 +71,6 @@ struct snd_tscm { struct snd_fw_async_midi_port out_ports[TSCM_MIDI_OUT_PORT_MAX]; u8 running_status[TSCM_MIDI_OUT_PORT_MAX]; bool on_sysex[TSCM_MIDI_OUT_PORT_MAX]; - - /* For control messages. */ - struct snd_firewire_tascam_status *status; }; #define TSCM_ADDR_BASE 0xffff00000000ull diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c index b5a17cb510a0..8c486235c905 100644 --- a/sound/hda/hdac_controller.c +++ b/sound/hda/hdac_controller.c @@ -426,18 +426,22 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_stop_chip); * @bus: HD-audio core bus * @status: INTSTS register value * @ask: callback to be called for woken streams + * + * Returns the bits of handled streams, or zero if no stream is handled. */ -void snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, +int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, void (*ack)(struct hdac_bus *, struct hdac_stream *)) { struct hdac_stream *azx_dev; u8 sd_status; + int handled = 0; list_for_each_entry(azx_dev, &bus->stream_list, list) { if (status & azx_dev->sd_int_sta_mask) { sd_status = snd_hdac_stream_readb(azx_dev, SD_STS); snd_hdac_stream_writeb(azx_dev, SD_STS, SD_INT_MASK); + handled |= 1 << azx_dev->index; if (!azx_dev->substream || !azx_dev->running || !(sd_status & SD_INT_COMPLETE)) continue; @@ -445,6 +449,7 @@ void snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, ack(bus, azx_dev); } } + return handled; } EXPORT_SYMBOL_GPL(snd_hdac_bus_handle_stream_irq); diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 28e2f8b42f5e..891453451543 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -1141,6 +1141,14 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu) emu->emu1010.firmware_thread = kthread_create(emu1010_firmware_thread, emu, "emu1010_firmware"); + if (IS_ERR(emu->emu1010.firmware_thread)) { + err = PTR_ERR(emu->emu1010.firmware_thread); + emu->emu1010.firmware_thread = NULL; + dev_info(emu->card->dev, + "emu1010: Creating thread failed\n"); + return err; + } + wake_up_process(emu->emu1010.firmware_thread); } diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 37cf9cee9835..27de8015717d 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -930,6 +930,8 @@ irqreturn_t azx_interrupt(int irq, void *dev_id) struct azx *chip = dev_id; struct hdac_bus *bus = azx_bus(chip); u32 status; + bool active, handled = false; + int repeat = 0; /* count for avoiding endless loop */ #ifdef CONFIG_PM if (azx_has_pm_runtime(chip)) @@ -939,33 +941,36 @@ irqreturn_t azx_interrupt(int irq, void *dev_id) spin_lock(&bus->reg_lock); - if (chip->disabled) { - spin_unlock(&bus->reg_lock); - return IRQ_NONE; - } - - status = azx_readl(chip, INTSTS); - if (status == 0 || status == 0xffffffff) { - spin_unlock(&bus->reg_lock); - return IRQ_NONE; - } + if (chip->disabled) + goto unlock; - snd_hdac_bus_handle_stream_irq(bus, status, stream_update); + do { + status = azx_readl(chip, INTSTS); + if (status == 0 || status == 0xffffffff) + break; - /* clear rirb int */ - status = azx_readb(chip, RIRBSTS); - if (status & RIRB_INT_MASK) { - if (status & RIRB_INT_RESPONSE) { - if (chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND) - udelay(80); - snd_hdac_bus_update_rirb(bus); + handled = true; + active = false; + if (snd_hdac_bus_handle_stream_irq(bus, status, stream_update)) + active = true; + + /* clear rirb int */ + status = azx_readb(chip, RIRBSTS); + if (status & RIRB_INT_MASK) { + active = true; + if (status & RIRB_INT_RESPONSE) { + if (chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND) + udelay(80); + snd_hdac_bus_update_rirb(bus); + } + azx_writeb(chip, RIRBSTS, RIRB_INT_MASK); } - azx_writeb(chip, RIRBSTS, RIRB_INT_MASK); - } + } while (active && ++repeat < 10); + unlock: spin_unlock(&bus->reg_lock); - return IRQ_HANDLED; + return IRQ_RETVAL(handled); } EXPORT_SYMBOL_GPL(azx_interrupt); diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 30c8efe0f80a..7ca5b89f088a 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -4028,9 +4028,9 @@ static void pin_power_callback(struct hda_codec *codec, struct hda_jack_callback *jack, bool on) { - if (jack && jack->tbl->nid) + if (jack && jack->nid) sync_power_state_change(codec, - set_pin_power_jack(codec, jack->tbl->nid, on)); + set_pin_power_jack(codec, jack->nid, on)); } /* callback only doing power up -- called at first */ diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 4045dca3d699..e5240cb3749f 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -363,7 +363,10 @@ enum { ((pci)->device == 0x0d0c) || \ ((pci)->device == 0x160c)) -#define IS_BROXTON(pci) ((pci)->device == 0x5a98) +#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170) +#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70) +#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) +#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", @@ -540,13 +543,13 @@ static void hda_intel_init_chip(struct azx *chip, bool full_reset) if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) snd_hdac_set_codec_wakeup(bus, true); - if (IS_BROXTON(pci)) { + if (IS_SKL_PLUS(pci)) { pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); val = val & ~INTEL_HDA_CGCTL_MISCBDCGE; pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); } azx_init_chip(chip, full_reset); - if (IS_BROXTON(pci)) { + if (IS_SKL_PLUS(pci)) { pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); val = val | INTEL_HDA_CGCTL_MISCBDCGE; pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); @@ -555,7 +558,7 @@ static void hda_intel_init_chip(struct azx *chip, bool full_reset) snd_hdac_set_codec_wakeup(bus, false); /* reduce dma latency to avoid noise */ - if (IS_BROXTON(pci)) + if (IS_BXT(pci)) bxt_reduce_dma_latency(chip); } @@ -977,11 +980,6 @@ static int azx_resume(struct device *dev) /* put codec down to D3 at hibernation for Intel SKL+; * otherwise BIOS may still access the codec and screw up the driver */ -#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170) -#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70) -#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) -#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) - static int azx_freeze_noirq(struct device *dev) { struct pci_dev *pci = to_pci_dev(dev); @@ -2168,10 +2166,10 @@ static void azx_remove(struct pci_dev *pci) struct hda_intel *hda; if (card) { - /* flush the pending probing work */ + /* cancel the pending probing work */ chip = card->private_data; hda = container_of(chip, struct hda_intel, chip); - flush_work(&hda->probe_work); + cancel_work_sync(&hda->probe_work); snd_card_free(card); } diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c index c945e257d368..a33234e04d4f 100644 --- a/sound/pci/hda/hda_jack.c +++ b/sound/pci/hda/hda_jack.c @@ -259,7 +259,7 @@ snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid, if (!callback) return ERR_PTR(-ENOMEM); callback->func = func; - callback->tbl = jack; + callback->nid = jack->nid; callback->next = jack->callback; jack->callback = callback; } diff --git a/sound/pci/hda/hda_jack.h b/sound/pci/hda/hda_jack.h index 858708a044f5..e9814c0168ea 100644 --- a/sound/pci/hda/hda_jack.h +++ b/sound/pci/hda/hda_jack.h @@ -21,7 +21,7 @@ struct hda_jack_callback; typedef void (*hda_jack_callback_fn) (struct hda_codec *, struct hda_jack_callback *); struct hda_jack_callback { - struct hda_jack_tbl *tbl; + hda_nid_t nid; hda_jack_callback_fn func; unsigned int private_data; /* arbitrary data */ struct hda_jack_callback *next; diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 4ef2259f88ca..9ceb2bc36e68 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -4427,13 +4427,16 @@ static void ca0132_process_dsp_response(struct hda_codec *codec, static void hp_callback(struct hda_codec *codec, struct hda_jack_callback *cb) { struct ca0132_spec *spec = codec->spec; + struct hda_jack_tbl *tbl; /* Delay enabling the HP amp, to let the mic-detection * state machine run. */ cancel_delayed_work_sync(&spec->unsol_hp_work); schedule_delayed_work(&spec->unsol_hp_work, msecs_to_jiffies(500)); - cb->tbl->block_report = 1; + tbl = snd_hda_jack_tbl_get(codec, cb->nid); + if (tbl) + tbl->block_report = 1; } static void amic_callback(struct hda_codec *codec, struct hda_jack_callback *cb) diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index a12ae8ac0914..c1c855a6c0af 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -614,6 +614,7 @@ enum { CS4208_MAC_AUTO, CS4208_MBA6, CS4208_MBP11, + CS4208_MACMINI, CS4208_GPIO0, }; @@ -621,6 +622,7 @@ static const struct hda_model_fixup cs4208_models[] = { { .id = CS4208_GPIO0, .name = "gpio0" }, { .id = CS4208_MBA6, .name = "mba6" }, { .id = CS4208_MBP11, .name = "mbp11" }, + { .id = CS4208_MACMINI, .name = "macmini" }, {} }; @@ -632,6 +634,7 @@ static const struct snd_pci_quirk cs4208_fixup_tbl[] = { /* codec SSID matching */ static const struct snd_pci_quirk cs4208_mac_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x5e00, "MacBookPro 11,2", CS4208_MBP11), + SND_PCI_QUIRK(0x106b, 0x6c00, "MacMini 7,1", CS4208_MACMINI), SND_PCI_QUIRK(0x106b, 0x7100, "MacBookAir 6,1", CS4208_MBA6), SND_PCI_QUIRK(0x106b, 0x7200, "MacBookAir 6,2", CS4208_MBA6), SND_PCI_QUIRK(0x106b, 0x7b00, "MacBookPro 12,1", CS4208_MBP11), @@ -666,6 +669,24 @@ static void cs4208_fixup_mac(struct hda_codec *codec, snd_hda_apply_fixup(codec, action); } +/* MacMini 7,1 has the inverted jack detection */ +static void cs4208_fixup_macmini(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + static const struct hda_pintbl pincfgs[] = { + { 0x18, 0x00ab9150 }, /* mic (audio-in) jack: disable detect */ + { 0x21, 0x004be140 }, /* SPDIF: disable detect */ + { } + }; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + /* HP pin (0x10) has an inverted detection */ + codec->inv_jack_detect = 1; + /* disable the bogus Mic and SPDIF jack detections */ + snd_hda_apply_pincfgs(codec, pincfgs); + } +} + static int cs4208_spdif_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -709,6 +730,12 @@ static const struct hda_fixup cs4208_fixups[] = { .chained = true, .chain_id = CS4208_GPIO0, }, + [CS4208_MACMINI] = { + .type = HDA_FIXUP_FUNC, + .v.func = cs4208_fixup_macmini, + .chained = true, + .chain_id = CS4208_GPIO0, + }, [CS4208_GPIO0] = { .type = HDA_FIXUP_FUNC, .v.func = cs4208_fixup_gpio0, diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 1f52b55d77c9..8ee78dbd4c60 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -448,7 +448,8 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol, eld = &per_pin->sink_eld; mutex_lock(&per_pin->lock); - if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) { + if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) || + eld->eld_size > ELD_MAX_SIZE) { mutex_unlock(&per_pin->lock); snd_BUG(); return -EINVAL; @@ -1193,7 +1194,7 @@ static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid) static void jack_callback(struct hda_codec *codec, struct hda_jack_callback *jack) { - check_presence_and_report(codec, jack->tbl->nid); + check_presence_and_report(codec, jack->nid); } static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 33753244f48f..1f357cd72d9c 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -282,7 +282,7 @@ static void alc_update_knob_master(struct hda_codec *codec, uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); if (!uctl) return; - val = snd_hda_codec_read(codec, jack->tbl->nid, 0, + val = snd_hda_codec_read(codec, jack->nid, 0, AC_VERB_GET_VOLUME_KNOB_CONTROL, 0); val &= HDA_AMP_VOLMASK; uctl->value.integer.value[0] = val; @@ -327,6 +327,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec) case 0x10ec0292: alc_update_coef_idx(codec, 0x4, 1<<15, 0); break; + case 0x10ec0225: case 0x10ec0233: case 0x10ec0255: case 0x10ec0256: @@ -900,6 +901,7 @@ static struct alc_codec_rename_pci_table rename_pci_tbl[] = { { 0x10ec0899, 0x1028, 0, "ALC3861" }, { 0x10ec0298, 0x1028, 0, "ALC3266" }, { 0x10ec0256, 0x1028, 0, "ALC3246" }, + { 0x10ec0225, 0x1028, 0, "ALC3253" }, { 0x10ec0670, 0x1025, 0, "ALC669X" }, { 0x10ec0676, 0x1025, 0, "ALC679X" }, { 0x10ec0282, 0x1043, 0, "ALC3229" }, @@ -1785,7 +1787,6 @@ enum { ALC882_FIXUP_NO_PRIMARY_HP, ALC887_FIXUP_ASUS_BASS, ALC887_FIXUP_BASS_CHMAP, - ALC882_FIXUP_DISABLE_AAMIX, }; static void alc889_fixup_coef(struct hda_codec *codec, @@ -1947,8 +1948,6 @@ static void alc882_fixup_no_primary_hp(struct hda_codec *codec, static void alc_fixup_bass_chmap(struct hda_codec *codec, const struct hda_fixup *fix, int action); -static void alc_fixup_disable_aamix(struct hda_codec *codec, - const struct hda_fixup *fix, int action); static const struct hda_fixup alc882_fixups[] = { [ALC882_FIXUP_ABIT_AW9D_MAX] = { @@ -2186,10 +2185,6 @@ static const struct hda_fixup alc882_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_bass_chmap, }, - [ALC882_FIXUP_DISABLE_AAMIX] = { - .type = HDA_FIXUP_FUNC, - .v.func = alc_fixup_disable_aamix, - }, }; static const struct snd_pci_quirk alc882_fixup_tbl[] = { @@ -2228,6 +2223,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x104d, 0x9047, "Sony Vaio TT", ALC889_FIXUP_VAIO_TT), SND_PCI_QUIRK(0x104d, 0x905a, "Sony Vaio Z", ALC882_FIXUP_NO_PRIMARY_HP), SND_PCI_QUIRK(0x104d, 0x9043, "Sony Vaio VGC-LN51JGB", ALC882_FIXUP_NO_PRIMARY_HP), + SND_PCI_QUIRK(0x104d, 0x9044, "Sony VAIO AiO", ALC882_FIXUP_NO_PRIMARY_HP), /* All Apple entries are in codec SSIDs */ SND_PCI_QUIRK(0x106b, 0x00a0, "MacBookPro 3,1", ALC889_FIXUP_MBP_VREF), @@ -2257,7 +2253,6 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE), - SND_PCI_QUIRK(0x1458, 0xa182, "Gigabyte Z170X-UD3", ALC882_FIXUP_DISABLE_AAMIX), SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX), SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD), @@ -2651,6 +2646,7 @@ enum { ALC269_TYPE_ALC298, ALC269_TYPE_ALC255, ALC269_TYPE_ALC256, + ALC269_TYPE_ALC225, }; /* @@ -2680,6 +2676,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec) case ALC269_TYPE_ALC298: case ALC269_TYPE_ALC255: case ALC269_TYPE_ALC256: + case ALC269_TYPE_ALC225: ssids = alc269_ssids; break; default: @@ -3658,6 +3655,16 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec) WRITE_COEF(0xb7, 0x802b), {} }; + static struct coef_fw coef0225[] = { + UPDATE_COEF(0x4a, 1<<8, 0), + UPDATE_COEFEX(0x57, 0x05, 1<<14, 0), + UPDATE_COEF(0x63, 3<<14, 3<<14), + UPDATE_COEF(0x4a, 3<<4, 2<<4), + UPDATE_COEF(0x4a, 3<<10, 3<<10), + UPDATE_COEF(0x45, 0x3f<<10, 0x34<<10), + UPDATE_COEF(0x4a, 3<<10, 0), + {} + }; switch (codec->core.vendor_id) { case 0x10ec0255: @@ -3682,6 +3689,9 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec) case 0x10ec0668: alc_process_coef_fw(codec, coef0668); break; + case 0x10ec0225: + alc_process_coef_fw(codec, coef0225); + break; } codec_dbg(codec, "Headset jack set to unplugged mode.\n"); } @@ -3727,6 +3737,13 @@ static void alc_headset_mode_mic_in(struct hda_codec *codec, hda_nid_t hp_pin, UPDATE_COEF(0xc3, 0, 1<<12), {} }; + static struct coef_fw coef0225[] = { + UPDATE_COEFEX(0x57, 0x05, 1<<14, 1<<14), + UPDATE_COEF(0x4a, 3<<4, 2<<4), + UPDATE_COEF(0x63, 3<<14, 0), + {} + }; + switch (codec->core.vendor_id) { case 0x10ec0255: @@ -3772,12 +3789,22 @@ static void alc_headset_mode_mic_in(struct hda_codec *codec, hda_nid_t hp_pin, alc_process_coef_fw(codec, coef0688); snd_hda_set_pin_ctl_cache(codec, mic_pin, PIN_VREF50); break; + case 0x10ec0225: + alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x31<<10); + snd_hda_set_pin_ctl_cache(codec, hp_pin, 0); + alc_process_coef_fw(codec, coef0225); + snd_hda_set_pin_ctl_cache(codec, mic_pin, PIN_VREF50); + break; } codec_dbg(codec, "Headset jack set to mic-in mode.\n"); } static void alc_headset_mode_default(struct hda_codec *codec) { + static struct coef_fw coef0225[] = { + UPDATE_COEF(0x45, 0x3f<<10, 0x34<<10), + {} + }; static struct coef_fw coef0255[] = { WRITE_COEF(0x45, 0xc089), WRITE_COEF(0x45, 0xc489), @@ -3819,6 +3846,9 @@ static void alc_headset_mode_default(struct hda_codec *codec) }; switch (codec->core.vendor_id) { + case 0x10ec0225: + alc_process_coef_fw(codec, coef0225); + break; case 0x10ec0255: case 0x10ec0256: alc_process_coef_fw(codec, coef0255); @@ -3884,6 +3914,13 @@ static void alc_headset_mode_ctia(struct hda_codec *codec) WRITE_COEF(0xc3, 0x0000), {} }; + static struct coef_fw coef0225[] = { + UPDATE_COEF(0x45, 0x3f<<10, 0x35<<10), + UPDATE_COEF(0x49, 1<<8, 1<<8), + UPDATE_COEF(0x4a, 7<<6, 7<<6), + UPDATE_COEF(0x4a, 3<<4, 3<<4), + {} + }; switch (codec->core.vendor_id) { case 0x10ec0255: @@ -3912,6 +3949,9 @@ static void alc_headset_mode_ctia(struct hda_codec *codec) case 0x10ec0668: alc_process_coef_fw(codec, coef0688); break; + case 0x10ec0225: + alc_process_coef_fw(codec, coef0225); + break; } codec_dbg(codec, "Headset jack set to iPhone-style headset mode.\n"); } @@ -3955,6 +3995,13 @@ static void alc_headset_mode_omtp(struct hda_codec *codec) WRITE_COEF(0xc3, 0x0000), {} }; + static struct coef_fw coef0225[] = { + UPDATE_COEF(0x45, 0x3f<<10, 0x39<<10), + UPDATE_COEF(0x49, 1<<8, 1<<8), + UPDATE_COEF(0x4a, 7<<6, 7<<6), + UPDATE_COEF(0x4a, 3<<4, 3<<4), + {} + }; switch (codec->core.vendor_id) { case 0x10ec0255: @@ -3983,6 +4030,9 @@ static void alc_headset_mode_omtp(struct hda_codec *codec) case 0x10ec0668: alc_process_coef_fw(codec, coef0688); break; + case 0x10ec0225: + alc_process_coef_fw(codec, coef0225); + break; } codec_dbg(codec, "Headset jack set to Nokia-style headset mode.\n"); } @@ -4014,6 +4064,11 @@ static void alc_determine_headset_type(struct hda_codec *codec) WRITE_COEF(0xc3, 0x0c00), {} }; + static struct coef_fw coef0225[] = { + UPDATE_COEF(0x45, 0x3f<<10, 0x34<<10), + UPDATE_COEF(0x49, 1<<8, 1<<8), + {} + }; switch (codec->core.vendor_id) { case 0x10ec0255: @@ -4058,6 +4113,12 @@ static void alc_determine_headset_type(struct hda_codec *codec) val = alc_read_coef_idx(codec, 0xbe); is_ctia = (val & 0x1c02) == 0x1c02; break; + case 0x10ec0225: + alc_process_coef_fw(codec, coef0225); + msleep(800); + val = alc_read_coef_idx(codec, 0x46); + is_ctia = (val & 0x00f0) == 0x00f0; + break; } codec_dbg(codec, "Headset jack detected iPhone-style headset: %s\n", @@ -4695,6 +4756,9 @@ enum { ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE, ALC293_FIXUP_LENOVO_SPK_NOISE, ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY, + ALC255_FIXUP_DELL_SPK_NOISE, + ALC225_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC280_FIXUP_HP_HEADSET_MIC, }; static const struct hda_fixup alc269_fixups[] = { @@ -5314,6 +5378,29 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc233_fixup_lenovo_line2_mic_hotkey, }, + [ALC255_FIXUP_DELL_SPK_NOISE] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_disable_aamix, + .chained = true, + .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE + }, + [ALC225_FIXUP_DELL1_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + /* Disable pass-through path for FRONT 14h */ + { 0x20, AC_VERB_SET_COEF_INDEX, 0x36 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x57d7 }, + {} + }, + .chained = true, + .chain_id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE + }, + [ALC280_FIXUP_HP_HEADSET_MIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_disable_aamix, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MIC, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -5356,6 +5443,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK), SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK), SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE), + SND_PCI_QUIRK(0x1028, 0x0725, "Dell Inspiron 3162", ALC255_FIXUP_DELL_SPK_NOISE), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -5416,6 +5504,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x2335, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2336, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2337, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x221c, "HP EliteBook 755 G2", ALC280_FIXUP_HP_HEADSET_MIC), SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300), SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x1043, 0x115d, "Asus 1015E", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -5560,6 +5649,9 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC292_FIXUP_TPT440, .name = "tpt440"}, {} }; +#define ALC225_STANDARD_PINS \ + {0x12, 0xb7a60130}, \ + {0x21, 0x04211020} #define ALC256_STANDARD_PINS \ {0x12, 0x90a60140}, \ @@ -5581,6 +5673,12 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {0x21, 0x03211020} static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { + SND_HDA_PIN_QUIRK(0x10ec0225, 0x1028, "Dell", ALC225_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC225_STANDARD_PINS, + {0x14, 0x901701a0}), + SND_HDA_PIN_QUIRK(0x10ec0225, 0x1028, "Dell", ALC225_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC225_STANDARD_PINS, + {0x14, 0x901701b0}), SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE, {0x14, 0x90170110}, {0x21, 0x02211020}), @@ -5906,6 +6004,9 @@ static int patch_alc269(struct hda_codec *codec) spec->gen.mixer_nid = 0; /* ALC256 does not have any loopback mixer path */ alc_update_coef_idx(codec, 0x36, 1 << 13, 1 << 5); /* Switch pcbeep path to Line in path*/ break; + case 0x10ec0225: + spec->codec_variant = ALC269_TYPE_ALC225; + break; } if (snd_hda_codec_read(codec, 0x51, 0, AC_VERB_PARAMETERS, 0) == 0x10ec5505) { @@ -6796,6 +6897,7 @@ static int patch_alc680(struct hda_codec *codec) */ static const struct hda_device_id snd_hda_id_realtek[] = { HDA_CODEC_ENTRY(0x10ec0221, "ALC221", patch_alc269), + HDA_CODEC_ENTRY(0x10ec0225, "ALC225", patch_alc269), HDA_CODEC_ENTRY(0x10ec0231, "ALC231", patch_alc269), HDA_CODEC_ENTRY(0x10ec0233, "ALC233", patch_alc269), HDA_CODEC_ENTRY(0x10ec0235, "ALC233", patch_alc269), diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 2c7c5eb8b1e9..37b70f8e878f 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -493,9 +493,9 @@ static void jack_update_power(struct hda_codec *codec, if (!spec->num_pwrs) return; - if (jack && jack->tbl->nid) { - stac_toggle_power_map(codec, jack->tbl->nid, - snd_hda_jack_detect(codec, jack->tbl->nid), + if (jack && jack->nid) { + stac_toggle_power_map(codec, jack->nid, + snd_hda_jack_detect(codec, jack->nid), true); return; } diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index 3191e0a7d273..d1fb035f44db 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -635,6 +635,7 @@ static int acp_dma_open(struct snd_pcm_substream *substream) SNDRV_PCM_HW_PARAM_PERIODS); if (ret < 0) { dev_err(prtd->platform->dev, "set integer constraint failed\n"); + kfree(adata); return ret; } diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 33143fe1de0b..91785318b283 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1929,6 +1929,25 @@ static struct { { 1000000, 13500000, 0, 1 }, }; +static const unsigned int pseudo_fref_max[ARIZONA_FLL_MAX_FRATIO] = { + 13500000, + 6144000, + 6144000, + 3072000, + 3072000, + 2822400, + 2822400, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 768000, +}; + static struct { unsigned int min; unsigned int max; @@ -2042,16 +2061,32 @@ static int arizona_calc_fratio(struct arizona_fll *fll, /* Adjust FRATIO/refdiv to avoid integer mode if possible */ refdiv = cfg->refdiv; + arizona_fll_dbg(fll, "pseudo: initial ratio=%u fref=%u refdiv=%u\n", + init_ratio, Fref, refdiv); + while (div <= ARIZONA_FLL_MAX_REFDIV) { for (ratio = init_ratio; ratio <= ARIZONA_FLL_MAX_FRATIO; ratio++) { if ((ARIZONA_FLL_VCO_CORNER / 2) / - (fll->vco_mult * ratio) < Fref) + (fll->vco_mult * ratio) < Fref) { + arizona_fll_dbg(fll, "pseudo: hit VCO corner\n"); break; + } + + if (Fref > pseudo_fref_max[ratio - 1]) { + arizona_fll_dbg(fll, + "pseudo: exceeded max fref(%u) for ratio=%u\n", + pseudo_fref_max[ratio - 1], + ratio); + break; + } if (target % (ratio * Fref)) { cfg->refdiv = refdiv; cfg->fratio = ratio - 1; + arizona_fll_dbg(fll, + "pseudo: found fref=%u refdiv=%d(%d) ratio=%d\n", + Fref, refdiv, div, ratio); return ratio; } } @@ -2060,6 +2095,9 @@ static int arizona_calc_fratio(struct arizona_fll *fll, if (target % (ratio * Fref)) { cfg->refdiv = refdiv; cfg->fratio = ratio - 1; + arizona_fll_dbg(fll, + "pseudo: found fref=%u refdiv=%d(%d) ratio=%d\n", + Fref, refdiv, div, ratio); return ratio; } } @@ -2068,6 +2106,9 @@ static int arizona_calc_fratio(struct arizona_fll *fll, Fref /= 2; refdiv++; init_ratio = arizona_find_fratio(Fref, NULL); + arizona_fll_dbg(fll, + "pseudo: change fref=%u refdiv=%d(%d) ratio=%u\n", + Fref, refdiv, div, init_ratio); } arizona_fll_warn(fll, "Falling back to integer mode operation\n"); diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index bc08f0c5a5f6..1bd31644a782 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -266,6 +266,8 @@ static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic) } else { *mic = false; regmap_write(rt286->regmap, RT286_SET_MIC1, 0x20); + regmap_update_bits(rt286->regmap, + RT286_CBJ_CTRL1, 0x0400, 0x0000); } } else { regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf); @@ -470,24 +472,6 @@ static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w, return 0; } -static int rt286_vref_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) -{ - struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); - - switch (event) { - case SND_SOC_DAPM_PRE_PMU: - snd_soc_update_bits(codec, - RT286_CBJ_CTRL1, 0x0400, 0x0000); - mdelay(50); - break; - default: - return 0; - } - - return 0; -} - static int rt286_ldo2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -536,7 +520,7 @@ static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY_S("HV", 1, RT286_POWER_CTRL1, 12, 1, NULL, 0), SND_SOC_DAPM_SUPPLY("VREF", RT286_POWER_CTRL1, - 0, 1, rt286_vref_event, SND_SOC_DAPM_PRE_PMU), + 0, 1, NULL, 0), SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT286_POWER_CTRL2, 2, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("LDO2", 2, RT286_POWER_CTRL1, @@ -911,8 +895,6 @@ static int rt286_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_ON: mdelay(10); snd_soc_update_bits(codec, - RT286_CBJ_CTRL1, 0x0400, 0x0400); - snd_soc_update_bits(codec, RT286_DC_GAIN, 0x200, 0x0); break; @@ -920,8 +902,6 @@ static int rt286_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_STANDBY: snd_soc_write(codec, RT286_SET_AUDIO_POWER, AC_PWRST_D3); - snd_soc_update_bits(codec, - RT286_CBJ_CTRL1, 0x0400, 0x0000); break; default: diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index c61d38b585fb..93e8c9017633 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -776,7 +776,7 @@ static const struct snd_kcontrol_new rt5645_snd_controls[] = { /* IN1/IN2 Control */ SOC_SINGLE_TLV("IN1 Boost", RT5645_IN1_CTRL1, - RT5645_BST_SFT1, 8, 0, bst_tlv), + RT5645_BST_SFT1, 12, 0, bst_tlv), SOC_SINGLE_TLV("IN2 Boost", RT5645_IN2_CTRL, RT5645_BST_SFT2, 8, 0, bst_tlv), diff --git a/sound/soc/codecs/rt5659.c b/sound/soc/codecs/rt5659.c index 820d8fa62b5e..fb8ea05c0de1 100644 --- a/sound/soc/codecs/rt5659.c +++ b/sound/soc/codecs/rt5659.c @@ -3985,7 +3985,6 @@ static int rt5659_i2c_probe(struct i2c_client *i2c, if (rt5659 == NULL) return -ENOMEM; - rt5659->i2c = i2c; i2c_set_clientdata(i2c, rt5659); if (pdata) @@ -4157,24 +4156,17 @@ static int rt5659_i2c_probe(struct i2c_client *i2c, INIT_DELAYED_WORK(&rt5659->jack_detect_work, rt5659_jack_detect_work); - if (rt5659->i2c->irq) { - ret = request_threaded_irq(rt5659->i2c->irq, NULL, rt5659_irq, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING + if (i2c->irq) { + ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL, + rt5659_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "rt5659", rt5659); if (ret) dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret); } - ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5659, + return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5659, rt5659_dai, ARRAY_SIZE(rt5659_dai)); - - if (ret) { - if (rt5659->i2c->irq) - free_irq(rt5659->i2c->irq, rt5659); - } - - return 0; } static int rt5659_i2c_remove(struct i2c_client *i2c) @@ -4191,24 +4183,29 @@ void rt5659_i2c_shutdown(struct i2c_client *client) regmap_write(rt5659->regmap, RT5659_RESET, 0); } +#ifdef CONFIG_OF static const struct of_device_id rt5659_of_match[] = { { .compatible = "realtek,rt5658", }, { .compatible = "realtek,rt5659", }, - {}, + { }, }; +MODULE_DEVICE_TABLE(of, rt5659_of_match); +#endif +#ifdef CONFIG_ACPI static struct acpi_device_id rt5659_acpi_match[] = { - { "10EC5658", 0}, - { "10EC5659", 0}, - { }, + { "10EC5658", 0, }, + { "10EC5659", 0, }, + { }, }; MODULE_DEVICE_TABLE(acpi, rt5659_acpi_match); +#endif struct i2c_driver rt5659_i2c_driver = { .driver = { .name = "rt5659", .owner = THIS_MODULE, - .of_match_table = rt5659_of_match, + .of_match_table = of_match_ptr(rt5659_of_match), .acpi_match_table = ACPI_PTR(rt5659_acpi_match), }, .probe = rt5659_i2c_probe, diff --git a/sound/soc/codecs/rt5659.h b/sound/soc/codecs/rt5659.h index 8f07ee903eaa..d31c9e5bcec8 100644 --- a/sound/soc/codecs/rt5659.h +++ b/sound/soc/codecs/rt5659.h @@ -1792,7 +1792,6 @@ struct rt5659_priv { struct snd_soc_codec *codec; struct rt5659_platform_data pdata; struct regmap *regmap; - struct i2c_client *i2c; struct gpio_desc *gpiod_ldo1_en; struct gpio_desc *gpiod_reset; struct snd_soc_jack *hs_jack; diff --git a/sound/soc/codecs/sigmadsp-i2c.c b/sound/soc/codecs/sigmadsp-i2c.c index 21ca3a5e9f66..d374c18d4db7 100644 --- a/sound/soc/codecs/sigmadsp-i2c.c +++ b/sound/soc/codecs/sigmadsp-i2c.c @@ -31,7 +31,10 @@ static int sigmadsp_write_i2c(void *control_data, kfree(buf); - return ret; + if (ret < 0) + return ret; + + return 0; } static int sigmadsp_read_i2c(void *control_data, diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index 6088d30962a9..97c0f1e23886 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -2382,6 +2382,7 @@ error: static int wm5110_remove(struct platform_device *pdev) { + snd_soc_unregister_platform(&pdev->dev); snd_soc_unregister_codec(&pdev->dev); pm_runtime_disable(&pdev->dev); diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index ff237726775a..d7f444f87460 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -240,13 +240,13 @@ SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL, SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL, 7, 1, 1), -SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume", +SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume", WM8960_INBMIX1, 4, 7, 0, lineinboost_tlv), -SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume", +SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume", WM8960_INBMIX1, 1, 7, 0, lineinboost_tlv), -SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume", +SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume", WM8960_INBMIX2, 4, 7, 0, lineinboost_tlv), -SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume", +SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume", WM8960_INBMIX2, 1, 7, 0, lineinboost_tlv), SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT1 Volume", WM8960_RINPATH, 4, 3, 0, micboost_tlv), @@ -643,29 +643,31 @@ static int wm8960_configure_clocking(struct snd_soc_codec *codec) return -EINVAL; } - /* check if the sysclk frequency is available. */ - for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) { - if (sysclk_divs[i] == -1) - continue; - sysclk = freq_out / sysclk_divs[i]; - for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) { - if (sysclk == dac_divs[j] * lrclk) { + if (wm8960->clk_id != WM8960_SYSCLK_PLL) { + /* check if the sysclk frequency is available. */ + for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) { + if (sysclk_divs[i] == -1) + continue; + sysclk = freq_out / sysclk_divs[i]; + for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) { + if (sysclk != dac_divs[j] * lrclk) + continue; for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) if (sysclk == bclk * bclk_divs[k] / 10) break; if (k != ARRAY_SIZE(bclk_divs)) break; } + if (j != ARRAY_SIZE(dac_divs)) + break; } - if (j != ARRAY_SIZE(dac_divs)) - break; - } - if (i != ARRAY_SIZE(sysclk_divs)) { - goto configure_clock; - } else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) { - dev_err(codec->dev, "failed to configure clock\n"); - return -EINVAL; + if (i != ARRAY_SIZE(sysclk_divs)) { + goto configure_clock; + } else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) { + dev_err(codec->dev, "failed to configure clock\n"); + return -EINVAL; + } } /* get a available pll out frequency and set pll */ for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) { diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c index ce664c239be3..bff258d7bcea 100644 --- a/sound/soc/dwc/designware_i2s.c +++ b/sound/soc/dwc/designware_i2s.c @@ -645,6 +645,8 @@ static int dw_i2s_probe(struct platform_device *pdev) dev->dev = &pdev->dev; + dev->i2s_reg_comp1 = I2S_COMP_PARAM_1; + dev->i2s_reg_comp2 = I2S_COMP_PARAM_2; if (pdata) { dev->capability = pdata->cap; clk_id = NULL; @@ -652,9 +654,6 @@ static int dw_i2s_probe(struct platform_device *pdev) if (dev->quirks & DW_I2S_QUIRK_COMP_REG_OFFSET) { dev->i2s_reg_comp1 = pdata->i2s_reg_comp1; dev->i2s_reg_comp2 = pdata->i2s_reg_comp2; - } else { - dev->i2s_reg_comp1 = I2S_COMP_PARAM_1; - dev->i2s_reg_comp2 = I2S_COMP_PARAM_2; } ret = dw_configure_dai_by_pd(dev, dw_i2s_dai, res, pdata); } else { diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 40dfd8a36484..ed8de1035cda 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -112,20 +112,6 @@ struct fsl_ssi_rxtx_reg_val { struct fsl_ssi_reg_val tx; }; -static const struct reg_default fsl_ssi_reg_defaults[] = { - {CCSR_SSI_SCR, 0x00000000}, - {CCSR_SSI_SIER, 0x00003003}, - {CCSR_SSI_STCR, 0x00000200}, - {CCSR_SSI_SRCR, 0x00000200}, - {CCSR_SSI_STCCR, 0x00040000}, - {CCSR_SSI_SRCCR, 0x00040000}, - {CCSR_SSI_SACNT, 0x00000000}, - {CCSR_SSI_STMSK, 0x00000000}, - {CCSR_SSI_SRMSK, 0x00000000}, - {CCSR_SSI_SACCEN, 0x00000000}, - {CCSR_SSI_SACCDIS, 0x00000000}, -}; - static bool fsl_ssi_readable_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -190,8 +176,7 @@ static const struct regmap_config fsl_ssi_regconfig = { .val_bits = 32, .reg_stride = 4, .val_format_endian = REGMAP_ENDIAN_NATIVE, - .reg_defaults = fsl_ssi_reg_defaults, - .num_reg_defaults = ARRAY_SIZE(fsl_ssi_reg_defaults), + .num_reg_defaults_raw = CCSR_SSI_SACCDIS / sizeof(uint32_t) + 1, .readable_reg = fsl_ssi_readable_reg, .volatile_reg = fsl_ssi_volatile_reg, .precious_reg = fsl_ssi_precious_reg, @@ -201,6 +186,7 @@ static const struct regmap_config fsl_ssi_regconfig = { struct fsl_ssi_soc_data { bool imx; + bool imx21regs; /* imx21-class SSI - no SACC{ST,EN,DIS} regs */ bool offline_config; u32 sisr_write_mask; }; @@ -303,6 +289,7 @@ static struct fsl_ssi_soc_data fsl_ssi_mpc8610 = { static struct fsl_ssi_soc_data fsl_ssi_imx21 = { .imx = true, + .imx21regs = true, .offline_config = true, .sisr_write_mask = 0, }; @@ -586,8 +573,12 @@ static void fsl_ssi_setup_ac97(struct fsl_ssi_private *ssi_private) */ regmap_write(regs, CCSR_SSI_SACNT, CCSR_SSI_SACNT_AC97EN | CCSR_SSI_SACNT_FV); - regmap_write(regs, CCSR_SSI_SACCDIS, 0xff); - regmap_write(regs, CCSR_SSI_SACCEN, 0x300); + + /* no SACC{ST,EN,DIS} regs on imx21-class SSI */ + if (!ssi_private->soc->imx21regs) { + regmap_write(regs, CCSR_SSI_SACCDIS, 0xff); + regmap_write(regs, CCSR_SSI_SACCEN, 0x300); + } /* * Enable SSI, Transmit and Receive. AC97 has to communicate with the @@ -1397,6 +1388,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) struct resource *res; void __iomem *iomem; char name[64]; + struct regmap_config regconfig = fsl_ssi_regconfig; of_id = of_match_device(fsl_ssi_ids, &pdev->dev); if (!of_id || !of_id->data) @@ -1444,15 +1436,25 @@ static int fsl_ssi_probe(struct platform_device *pdev) return PTR_ERR(iomem); ssi_private->ssi_phys = res->start; + if (ssi_private->soc->imx21regs) { + /* + * According to datasheet imx21-class SSI + * don't have SACC{ST,EN,DIS} regs. + */ + regconfig.max_register = CCSR_SSI_SRMSK; + regconfig.num_reg_defaults_raw = + CCSR_SSI_SRMSK / sizeof(uint32_t) + 1; + } + ret = of_property_match_string(np, "clock-names", "ipg"); if (ret < 0) { ssi_private->has_ipg_clk_name = false; ssi_private->regs = devm_regmap_init_mmio(&pdev->dev, iomem, - &fsl_ssi_regconfig); + ®config); } else { ssi_private->has_ipg_clk_name = true; ssi_private->regs = devm_regmap_init_mmio_clk(&pdev->dev, - "ipg", iomem, &fsl_ssi_regconfig); + "ipg", iomem, ®config); } if (IS_ERR(ssi_private->regs)) { dev_err(&pdev->dev, "Failed to init register map\n"); diff --git a/sound/soc/fsl/imx-spdif.c b/sound/soc/fsl/imx-spdif.c index a407e833c612..fb896b2c9ba3 100644 --- a/sound/soc/fsl/imx-spdif.c +++ b/sound/soc/fsl/imx-spdif.c @@ -72,8 +72,6 @@ static int imx_spdif_audio_probe(struct platform_device *pdev) goto end; } - platform_set_drvdata(pdev, data); - end: of_node_put(spdif_np); diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 1ded8811598e..2389ab47e25f 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -99,7 +99,7 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, if (ret && ret != -ENOTSUPP) goto err; } - + return 0; err: return ret; } diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 803f95e40679..7d7c872c280d 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -30,11 +30,15 @@ config SND_SST_IPC_ACPI config SND_SOC_INTEL_SST tristate select SND_SOC_INTEL_SST_ACPI if ACPI + select SND_SOC_INTEL_SST_MATCH if ACPI depends on (X86 || COMPILE_TEST) config SND_SOC_INTEL_SST_ACPI tristate +config SND_SOC_INTEL_SST_MATCH + tristate + config SND_SOC_INTEL_HASWELL tristate @@ -57,7 +61,7 @@ config SND_SOC_INTEL_HASWELL_MACH config SND_SOC_INTEL_BYT_RT5640_MACH tristate "ASoC Audio driver for Intel Baytrail with RT5640 codec" depends on X86_INTEL_LPSS && I2C - depends on DW_DMAC_CORE=y && (SND_SOC_INTEL_BYTCR_RT5640_MACH = n) + depends on DW_DMAC_CORE=y && (SND_SST_IPC_ACPI = n) select SND_SOC_INTEL_SST select SND_SOC_INTEL_BAYTRAIL select SND_SOC_RT5640 @@ -69,7 +73,7 @@ config SND_SOC_INTEL_BYT_RT5640_MACH config SND_SOC_INTEL_BYT_MAX98090_MACH tristate "ASoC Audio driver for Intel Baytrail with MAX98090 codec" depends on X86_INTEL_LPSS && I2C - depends on DW_DMAC_CORE=y + depends on DW_DMAC_CORE=y && (SND_SST_IPC_ACPI = n) select SND_SOC_INTEL_SST select SND_SOC_INTEL_BAYTRAIL select SND_SOC_MAX98090 @@ -97,6 +101,7 @@ config SND_SOC_INTEL_BYTCR_RT5640_MACH select SND_SOC_RT5640 select SND_SST_MFLD_PLATFORM select SND_SST_IPC_ACPI + select SND_SOC_INTEL_SST_MATCH if ACPI help This adds support for ASoC machine driver for Intel(R) Baytrail and Baytrail-CR platforms with RT5640 audio codec. @@ -109,6 +114,7 @@ config SND_SOC_INTEL_BYTCR_RT5651_MACH select SND_SOC_RT5651 select SND_SST_MFLD_PLATFORM select SND_SST_IPC_ACPI + select SND_SOC_INTEL_SST_MATCH if ACPI help This adds support for ASoC machine driver for Intel(R) Baytrail and Baytrail-CR platforms with RT5651 audio codec. @@ -121,6 +127,7 @@ config SND_SOC_INTEL_CHT_BSW_RT5672_MACH select SND_SOC_RT5670 select SND_SST_MFLD_PLATFORM select SND_SST_IPC_ACPI + select SND_SOC_INTEL_SST_MATCH if ACPI help This adds support for ASoC machine driver for Intel(R) Cherrytrail & Braswell platforms with RT5672 audio codec. @@ -133,6 +140,7 @@ config SND_SOC_INTEL_CHT_BSW_RT5645_MACH select SND_SOC_RT5645 select SND_SST_MFLD_PLATFORM select SND_SST_IPC_ACPI + select SND_SOC_INTEL_SST_MATCH if ACPI help This adds support for ASoC machine driver for Intel(R) Cherrytrail & Braswell platforms with RT5645/5650 audio codec. @@ -145,6 +153,7 @@ config SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH select SND_SOC_TS3A227E select SND_SST_MFLD_PLATFORM select SND_SST_IPC_ACPI + select SND_SOC_INTEL_SST_MATCH if ACPI help This adds support for ASoC machine driver for Intel(R) Cherrytrail & Braswell platforms with MAX98090 audio codec it also can support TI jack chip as aux device. diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c index 55c33dc76ce4..52ed434cbca6 100644 --- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c @@ -528,6 +528,7 @@ static struct snd_soc_dai_driver sst_platform_dai[] = { .ops = &sst_compr_dai_ops, .playback = { .stream_name = "Compress Playback", + .channels_min = 1, }, }, /* BE CPU Dais */ diff --git a/sound/soc/intel/boards/skl_rt286.c b/sound/soc/intel/boards/skl_rt286.c index 7396ddb427d8..2cbcbe412661 100644 --- a/sound/soc/intel/boards/skl_rt286.c +++ b/sound/soc/intel/boards/skl_rt286.c @@ -212,7 +212,10 @@ static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd, { struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); - channels->min = channels->max = 4; + if (params_channels(params) == 2) + channels->min = channels->max = 2; + else + channels->min = channels->max = 4; return 0; } diff --git a/sound/soc/intel/common/Makefile b/sound/soc/intel/common/Makefile index 668fdeee195e..fbbb25c2ceed 100644 --- a/sound/soc/intel/common/Makefile +++ b/sound/soc/intel/common/Makefile @@ -1,13 +1,10 @@ snd-soc-sst-dsp-objs := sst-dsp.o -ifneq ($(CONFIG_SND_SST_IPC_ACPI),) -snd-soc-sst-acpi-objs := sst-match-acpi.o -else -snd-soc-sst-acpi-objs := sst-acpi.o sst-match-acpi.o -endif - +snd-soc-sst-acpi-objs := sst-acpi.o +snd-soc-sst-match-objs := sst-match-acpi.o snd-soc-sst-ipc-objs := sst-ipc.o snd-soc-sst-dsp-$(CONFIG_DW_DMAC_CORE) += sst-firmware.o obj-$(CONFIG_SND_SOC_INTEL_SST) += snd-soc-sst-dsp.o snd-soc-sst-ipc.o obj-$(CONFIG_SND_SOC_INTEL_SST_ACPI) += snd-soc-sst-acpi.o +obj-$(CONFIG_SND_SOC_INTEL_SST_MATCH) += snd-soc-sst-match.o diff --git a/sound/soc/intel/common/sst-acpi.c b/sound/soc/intel/common/sst-acpi.c index 7a85c576dad3..2c5eda14d510 100644 --- a/sound/soc/intel/common/sst-acpi.c +++ b/sound/soc/intel/common/sst-acpi.c @@ -215,6 +215,7 @@ static struct sst_acpi_desc sst_acpi_broadwell_desc = { .dma_size = SST_LPT_DSP_DMA_SIZE, }; +#if !IS_ENABLED(CONFIG_SND_SST_IPC_ACPI) static struct sst_acpi_mach baytrail_machines[] = { { "10EC5640", "byt-rt5640", "intel/fw_sst_0f28.bin-48kHz_i2s_master", NULL, NULL, NULL }, { "193C9890", "byt-max98090", "intel/fw_sst_0f28.bin-48kHz_i2s_master", NULL, NULL, NULL }, @@ -231,11 +232,14 @@ static struct sst_acpi_desc sst_acpi_baytrail_desc = { .sst_id = SST_DEV_ID_BYT, .resindex_dma_base = -1, }; +#endif static const struct acpi_device_id sst_acpi_match[] = { { "INT33C8", (unsigned long)&sst_acpi_haswell_desc }, { "INT3438", (unsigned long)&sst_acpi_broadwell_desc }, +#if !IS_ENABLED(CONFIG_SND_SST_IPC_ACPI) { "80860F28", (unsigned long)&sst_acpi_baytrail_desc }, +#endif { } }; MODULE_DEVICE_TABLE(acpi, sst_acpi_match); diff --git a/sound/soc/intel/common/sst-match-acpi.c b/sound/soc/intel/common/sst-match-acpi.c index dd077e116d25..3b4539d21492 100644 --- a/sound/soc/intel/common/sst-match-acpi.c +++ b/sound/soc/intel/common/sst-match-acpi.c @@ -41,3 +41,6 @@ struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines) return NULL; } EXPORT_SYMBOL_GPL(sst_acpi_find_machine); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Intel Common ACPI Match module"); diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c index de6dac496a0d..4629372d7c8e 100644 --- a/sound/soc/intel/skylake/skl-messages.c +++ b/sound/soc/intel/skylake/skl-messages.c @@ -688,14 +688,14 @@ int skl_unbind_modules(struct skl_sst *ctx, /* get src queue index */ src_index = skl_get_queue_index(src_mcfg->m_out_pin, dst_id, out_max); if (src_index < 0) - return -EINVAL; + return 0; msg.src_queue = src_index; /* get dst queue index */ dst_index = skl_get_queue_index(dst_mcfg->m_in_pin, src_id, in_max); if (dst_index < 0) - return -EINVAL; + return 0; msg.dst_queue = dst_index; @@ -747,7 +747,7 @@ int skl_bind_modules(struct skl_sst *ctx, skl_dump_bind_info(ctx, src_mcfg, dst_mcfg); - if (src_mcfg->m_state < SKL_MODULE_INIT_DONE && + if (src_mcfg->m_state < SKL_MODULE_INIT_DONE || dst_mcfg->m_state < SKL_MODULE_INIT_DONE) return 0; diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index f3553258091a..b6e6b61d10ec 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -863,6 +863,7 @@ static int skl_get_delay_from_lpib(struct hdac_ext_bus *ebus, else delay += hstream->bufsize; } + delay = (hstream->bufsize == delay) ? 0 : delay; if (delay >= hstream->period_bytes) { dev_info(bus->dev, diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 4624556f486d..a294fee431f0 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -54,12 +54,9 @@ static int is_skl_dsp_widget_type(struct snd_soc_dapm_widget *w) /* * Each pipelines needs memory to be allocated. Check if we have free memory - * from available pool. Then only add this to pool - * This is freed when pipe is deleted - * Note: DSP does actual memory management we only keep track for complete - * pool + * from available pool. */ -static bool skl_tplg_alloc_pipe_mem(struct skl *skl, +static bool skl_is_pipe_mem_avail(struct skl *skl, struct skl_module_cfg *mconfig) { struct skl_sst *ctx = skl->skl_sst; @@ -74,10 +71,20 @@ static bool skl_tplg_alloc_pipe_mem(struct skl *skl, "exceeds ppl memory available %d mem %d\n", skl->resource.max_mem, skl->resource.mem); return false; + } else { + return true; } +} +/* + * Add the mem to the mem pool. This is freed when pipe is deleted. + * Note: DSP does actual memory management we only keep track for complete + * pool + */ +static void skl_tplg_alloc_pipe_mem(struct skl *skl, + struct skl_module_cfg *mconfig) +{ skl->resource.mem += mconfig->pipe->memory_pages; - return true; } /* @@ -85,10 +92,10 @@ static bool skl_tplg_alloc_pipe_mem(struct skl *skl, * quantified in MCPS (Million Clocks Per Second) required for module/pipe * * Each pipelines needs mcps to be allocated. Check if we have mcps for this - * pipe. This adds the mcps to driver counter - * This is removed on pipeline delete + * pipe. */ -static bool skl_tplg_alloc_pipe_mcps(struct skl *skl, + +static bool skl_is_pipe_mcps_avail(struct skl *skl, struct skl_module_cfg *mconfig) { struct skl_sst *ctx = skl->skl_sst; @@ -98,13 +105,18 @@ static bool skl_tplg_alloc_pipe_mcps(struct skl *skl, "%s: module_id %d instance %d\n", __func__, mconfig->id.module_id, mconfig->id.instance_id); dev_err(ctx->dev, - "exceeds ppl memory available %d > mem %d\n", + "exceeds ppl mcps available %d > mem %d\n", skl->resource.max_mcps, skl->resource.mcps); return false; + } else { + return true; } +} +static void skl_tplg_alloc_pipe_mcps(struct skl *skl, + struct skl_module_cfg *mconfig) +{ skl->resource.mcps += mconfig->mcps; - return true; } /* @@ -411,7 +423,7 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe) mconfig = w->priv; /* check resource available */ - if (!skl_tplg_alloc_pipe_mcps(skl, mconfig)) + if (!skl_is_pipe_mcps_avail(skl, mconfig)) return -ENOMEM; if (mconfig->is_loadable && ctx->dsp->fw_ops.load_mod) { @@ -435,6 +447,7 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe) ret = skl_tplg_set_module_params(w, ctx); if (ret < 0) return ret; + skl_tplg_alloc_pipe_mcps(skl, mconfig); } return 0; @@ -477,10 +490,10 @@ static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w, struct skl_sst *ctx = skl->skl_sst; /* check resource available */ - if (!skl_tplg_alloc_pipe_mcps(skl, mconfig)) + if (!skl_is_pipe_mcps_avail(skl, mconfig)) return -EBUSY; - if (!skl_tplg_alloc_pipe_mem(skl, mconfig)) + if (!skl_is_pipe_mem_avail(skl, mconfig)) return -ENOMEM; /* @@ -526,11 +539,15 @@ static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w, src_module = dst_module; } + skl_tplg_alloc_pipe_mem(skl, mconfig); + skl_tplg_alloc_pipe_mcps(skl, mconfig); + return 0; } static int skl_tplg_bind_sinks(struct snd_soc_dapm_widget *w, struct skl *skl, + struct snd_soc_dapm_widget *src_w, struct skl_module_cfg *src_mconfig) { struct snd_soc_dapm_path *p; @@ -547,6 +564,10 @@ static int skl_tplg_bind_sinks(struct snd_soc_dapm_widget *w, dev_dbg(ctx->dev, "%s: sink widget=%s\n", __func__, p->sink->name); next_sink = p->sink; + + if (!is_skl_dsp_widget_type(p->sink)) + return skl_tplg_bind_sinks(p->sink, skl, src_w, src_mconfig); + /* * here we will check widgets in sink pipelines, so that * can be any widgets type and we are only interested if @@ -576,7 +597,7 @@ static int skl_tplg_bind_sinks(struct snd_soc_dapm_widget *w, } if (!sink) - return skl_tplg_bind_sinks(next_sink, skl, src_mconfig); + return skl_tplg_bind_sinks(next_sink, skl, src_w, src_mconfig); return 0; } @@ -605,7 +626,7 @@ static int skl_tplg_pga_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w, * if sink is not started, start sink pipe first, then start * this pipe */ - ret = skl_tplg_bind_sinks(w, skl, src_mconfig); + ret = skl_tplg_bind_sinks(w, skl, w, src_mconfig); if (ret) return ret; @@ -773,10 +794,7 @@ static int skl_tplg_mixer_dapm_post_pmd_event(struct snd_soc_dapm_widget *w, continue; } - ret = skl_unbind_modules(ctx, src_module, dst_module); - if (ret < 0) - return ret; - + skl_unbind_modules(ctx, src_module, dst_module); src_module = dst_module; } @@ -814,9 +832,6 @@ static int skl_tplg_pga_dapm_post_pmd_event(struct snd_soc_dapm_widget *w, * This is a connecter and if path is found that means * unbind between source and sink has not happened yet */ - ret = skl_stop_pipe(ctx, sink_mconfig->pipe); - if (ret < 0) - return ret; ret = skl_unbind_modules(ctx, src_mconfig, sink_mconfig); } @@ -842,6 +857,12 @@ static int skl_tplg_vmixer_event(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_PRE_PMU: return skl_tplg_mixer_dapm_pre_pmu_event(w, skl); + case SND_SOC_DAPM_POST_PMU: + return skl_tplg_mixer_dapm_post_pmu_event(w, skl); + + case SND_SOC_DAPM_PRE_PMD: + return skl_tplg_mixer_dapm_pre_pmd_event(w, skl); + case SND_SOC_DAPM_POST_PMD: return skl_tplg_mixer_dapm_post_pmd_event(w, skl); } @@ -916,6 +937,13 @@ static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol, skl_get_module_params(skl->skl_sst, (u32 *)bc->params, bc->max, bc->param_id, mconfig); + /* decrement size for TLV header */ + size -= 2 * sizeof(u32); + + /* check size as we don't want to send kernel data */ + if (size > bc->max) + size = bc->max; + if (bc->params) { if (copy_to_user(data, &bc->param_id, sizeof(u32))) return -EFAULT; @@ -1510,6 +1538,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus) &skl_tplg_ops, fw, 0); if (ret < 0) { dev_err(bus->dev, "tplg component load failed%d\n", ret); + release_firmware(fw); return -EINVAL; } diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 443a15de94b5..092705e73db4 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -614,8 +614,6 @@ static int skl_probe(struct pci_dev *pci, goto out_unregister; /*configure PM */ - pm_runtime_set_autosuspend_delay(bus->dev, SKL_SUSPEND_DELAY); - pm_runtime_use_autosuspend(bus->dev); pm_runtime_put_noidle(bus->dev); pm_runtime_allow(bus->dev); diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig index 15c04e2eae34..976967675387 100644 --- a/sound/soc/mediatek/Kconfig +++ b/sound/soc/mediatek/Kconfig @@ -9,7 +9,7 @@ config SND_SOC_MEDIATEK config SND_SOC_MT8173_MAX98090 tristate "ASoC Audio driver for MT8173 with MAX98090 codec" - depends on SND_SOC_MEDIATEK + depends on SND_SOC_MEDIATEK && I2C select SND_SOC_MAX98090 help This adds ASoC driver for Mediatek MT8173 boards @@ -19,7 +19,7 @@ config SND_SOC_MT8173_MAX98090 config SND_SOC_MT8173_RT5650_RT5676 tristate "ASoC Audio driver for MT8173 with RT5650 RT5676 codecs" - depends on SND_SOC_MEDIATEK + depends on SND_SOC_MEDIATEK && I2C select SND_SOC_RT5645 select SND_SOC_RT5677 help diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index c866ade28ad0..a6c7b8d87cd2 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -381,9 +381,19 @@ static int mxs_saif_startup(struct snd_pcm_substream *substream, __raw_writel(BM_SAIF_CTRL_CLKGATE, saif->base + SAIF_CTRL + MXS_CLR_ADDR); + clk_prepare(saif->clk); + return 0; } +static void mxs_saif_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); + + clk_unprepare(saif->clk); +} + /* * Should only be called when port is inactive. * although can be called multiple times by upper layers. @@ -424,8 +434,6 @@ static int mxs_saif_hw_params(struct snd_pcm_substream *substream, return ret; } - /* prepare clk in hw_param, enable in trigger */ - clk_prepare(saif->clk); if (saif != master_saif) { /* * Set an initial clock rate for the saif internal logic to work @@ -611,6 +619,7 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd, static const struct snd_soc_dai_ops mxs_saif_dai_ops = { .startup = mxs_saif_startup, + .shutdown = mxs_saif_shutdown, .trigger = mxs_saif_trigger, .prepare = mxs_saif_prepare, .hw_params = mxs_saif_hw_params, diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 79688aa1941a..4aeb8e1a7160 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -440,18 +440,18 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data) } static int lpass_platform_alloc_buffer(struct snd_pcm_substream *substream, - struct snd_soc_pcm_runtime *soc_runtime) + struct snd_soc_pcm_runtime *rt) { struct snd_dma_buffer *buf = &substream->dma_buffer; size_t size = lpass_platform_pcm_hardware.buffer_bytes_max; buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = soc_runtime->dev; + buf->dev.dev = rt->platform->dev; buf->private_data = NULL; - buf->area = dma_alloc_coherent(soc_runtime->dev, size, &buf->addr, + buf->area = dma_alloc_coherent(rt->platform->dev, size, &buf->addr, GFP_KERNEL); if (!buf->area) { - dev_err(soc_runtime->dev, "%s: Could not allocate DMA buffer\n", + dev_err(rt->platform->dev, "%s: Could not allocate DMA buffer\n", __func__); return -ENOMEM; } @@ -461,12 +461,12 @@ static int lpass_platform_alloc_buffer(struct snd_pcm_substream *substream, } static void lpass_platform_free_buffer(struct snd_pcm_substream *substream, - struct snd_soc_pcm_runtime *soc_runtime) + struct snd_soc_pcm_runtime *rt) { struct snd_dma_buffer *buf = &substream->dma_buffer; if (buf->area) { - dma_free_coherent(soc_runtime->dev, buf->bytes, buf->area, + dma_free_coherent(rt->dev, buf->bytes, buf->area, buf->addr); } buf->area = NULL; @@ -499,9 +499,6 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime) snd_soc_pcm_set_drvdata(soc_runtime, data); - soc_runtime->dev->coherent_dma_mask = DMA_BIT_MASK(32); - soc_runtime->dev->dma_mask = &soc_runtime->dev->coherent_dma_mask; - ret = lpass_platform_alloc_buffer(substream, soc_runtime); if (ret) return ret; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 5a2812fa8946..0d3707987900 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -310,7 +310,7 @@ struct dapm_kcontrol_data { }; static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, - struct snd_kcontrol *kcontrol) + struct snd_kcontrol *kcontrol, const char *ctrl_name) { struct dapm_kcontrol_data *data; struct soc_mixer_control *mc; @@ -333,7 +333,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, if (mc->autodisable) { struct snd_soc_dapm_widget template; - name = kasprintf(GFP_KERNEL, "%s %s", kcontrol->id.name, + name = kasprintf(GFP_KERNEL, "%s %s", ctrl_name, "Autodisable"); if (!name) { ret = -ENOMEM; @@ -371,7 +371,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, if (e->autodisable) { struct snd_soc_dapm_widget template; - name = kasprintf(GFP_KERNEL, "%s %s", kcontrol->id.name, + name = kasprintf(GFP_KERNEL, "%s %s", ctrl_name, "Autodisable"); if (!name) { ret = -ENOMEM; @@ -871,7 +871,7 @@ static int dapm_create_or_share_kcontrol(struct snd_soc_dapm_widget *w, kcontrol->private_free = dapm_kcontrol_free; - ret = dapm_kcontrol_data_alloc(w, kcontrol); + ret = dapm_kcontrol_data_alloc(w, kcontrol, name); if (ret) { snd_ctl_free_one(kcontrol); goto exit_free; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index e898b427be7e..1af4f23697a7 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -1810,7 +1810,8 @@ int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream) (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) && (be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE) && (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED) && - (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP)) + (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) && + (be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND)) continue; dev_dbg(be->dev, "ASoC: hw_free BE %s\n", diff --git a/sound/usb/midi.c b/sound/usb/midi.c index cc39f63299ef..007cf5831121 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -2455,7 +2455,6 @@ int snd_usbmidi_create(struct snd_card *card, else err = snd_usbmidi_create_endpoints(umidi, endpoints); if (err < 0) { - snd_usbmidi_free(umidi); return err; } diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index a75d9ce7d77a..4f6ce1cac8e2 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1121,6 +1121,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) switch (chip->usb_id) { case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */ case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */ + case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */ case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */ case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */ case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ @@ -1281,7 +1282,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */ case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */ case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */ - case USB_ID(0x22d8, 0x0416): /* OPPO HA-1*/ + case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */ if (fp->altsetting == 2) return SNDRV_PCM_FMTBIT_DSD_U32_BE; break; @@ -1290,6 +1291,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */ case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */ case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */ + case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ if (fp->altsetting == 3) return SNDRV_PCM_FMTBIT_DSD_U32_BE; break; diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 81a2eb77ba7f..05d815851be1 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -2068,6 +2068,15 @@ int intel_pt_process_auxtrace_info(union perf_event *event, err = -ENOMEM; goto err_free_queues; } + + /* + * Since this thread will not be kept in any rbtree not in a + * list, initialize its list node so that at thread__put() the + * current thread lifetime assuption is kept and we don't segfault + * at list_del_init(). + */ + INIT_LIST_HEAD(&pt->unknown_thread->node); + err = thread__set_comm(pt->unknown_thread, "unknown", 0); if (err) goto err_delete_thread; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 4f7b0efdde2f..813d9b272c81 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -399,6 +399,9 @@ static void tracepoint_error(struct parse_events_error *e, int err, { char help[BUFSIZ]; + if (!e) + return; + /* * We get error directly from syscall errno ( > 0), * or from encoded pointer's error ( < 0). diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 2be10fb27172..4ce5c5e18f48 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -686,8 +686,9 @@ static int call_probe_finder(Dwarf_Die *sc_die, struct probe_finder *pf) pf->fb_ops = NULL; #if _ELFUTILS_PREREQ(0, 142) } else if (nops == 1 && pf->fb_ops[0].atom == DW_OP_call_frame_cfa && - pf->cfi != NULL) { - if (dwarf_cfi_addrframe(pf->cfi, pf->addr, &frame) != 0 || + (pf->cfi_eh != NULL || pf->cfi_dbg != NULL)) { + if ((dwarf_cfi_addrframe(pf->cfi_eh, pf->addr, &frame) != 0 && + (dwarf_cfi_addrframe(pf->cfi_dbg, pf->addr, &frame) != 0)) || dwarf_frame_cfa(frame, &pf->fb_ops, &nops) != 0) { pr_warning("Failed to get call frame on 0x%jx\n", (uintmax_t)pf->addr); @@ -1015,8 +1016,7 @@ static int pubname_search_cb(Dwarf *dbg, Dwarf_Global *gl, void *data) return DWARF_CB_OK; } -/* Find probe points from debuginfo */ -static int debuginfo__find_probes(struct debuginfo *dbg, +static int debuginfo__find_probe_location(struct debuginfo *dbg, struct probe_finder *pf) { struct perf_probe_point *pp = &pf->pev->point; @@ -1025,27 +1025,6 @@ static int debuginfo__find_probes(struct debuginfo *dbg, Dwarf_Die *diep; int ret = 0; -#if _ELFUTILS_PREREQ(0, 142) - Elf *elf; - GElf_Ehdr ehdr; - GElf_Shdr shdr; - - /* Get the call frame information from this dwarf */ - elf = dwarf_getelf(dbg->dbg); - if (elf == NULL) - return -EINVAL; - - if (gelf_getehdr(elf, &ehdr) == NULL) - return -EINVAL; - - if (elf_section_by_name(elf, &ehdr, &shdr, ".eh_frame", NULL) && - shdr.sh_type == SHT_PROGBITS) { - pf->cfi = dwarf_getcfi_elf(elf); - } else { - pf->cfi = dwarf_getcfi(dbg->dbg); - } -#endif - off = 0; pf->lcache = intlist__new(NULL); if (!pf->lcache) @@ -1108,6 +1087,39 @@ found: return ret; } +/* Find probe points from debuginfo */ +static int debuginfo__find_probes(struct debuginfo *dbg, + struct probe_finder *pf) +{ + int ret = 0; + +#if _ELFUTILS_PREREQ(0, 142) + Elf *elf; + GElf_Ehdr ehdr; + GElf_Shdr shdr; + + if (pf->cfi_eh || pf->cfi_dbg) + return debuginfo__find_probe_location(dbg, pf); + + /* Get the call frame information from this dwarf */ + elf = dwarf_getelf(dbg->dbg); + if (elf == NULL) + return -EINVAL; + + if (gelf_getehdr(elf, &ehdr) == NULL) + return -EINVAL; + + if (elf_section_by_name(elf, &ehdr, &shdr, ".eh_frame", NULL) && + shdr.sh_type == SHT_PROGBITS) + pf->cfi_eh = dwarf_getcfi_elf(elf); + + pf->cfi_dbg = dwarf_getcfi(dbg->dbg); +#endif + + ret = debuginfo__find_probe_location(dbg, pf); + return ret; +} + struct local_vars_finder { struct probe_finder *pf; struct perf_probe_arg *args; diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index bed82716e1b4..0aec7704e395 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -76,7 +76,10 @@ struct probe_finder { /* For variable searching */ #if _ELFUTILS_PREREQ(0, 142) - Dwarf_CFI *cfi; /* Call Frame Information */ + /* Call Frame Information from .eh_frame */ + Dwarf_CFI *cfi_eh; + /* Call Frame Information from .debug_frame */ + Dwarf_CFI *cfi_dbg; #endif Dwarf_Op *fb_ops; /* Frame base attribute */ struct perf_probe_arg *pvar; /* Current target variable */ diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 2b58edccd56f..afb0c45eba34 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -311,6 +311,16 @@ int perf_stat_process_counter(struct perf_stat_config *config, aggr->val = aggr->ena = aggr->run = 0; + /* + * We calculate counter's data every interval, + * and the display code shows ps->res_stats + * avg value. We need to zero the stats for + * interval mode, otherwise overall avg running + * averages will be shown for each interval. + */ + if (config->interval) + init_stats(ps->res_stats); + if (counter->per_pkg) zero_per_pkg(counter); diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index 7ec7df9e7fc7..0c1a7e65bb81 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -113,7 +113,7 @@ void *__wrap_devm_memremap_pages(struct device *dev, struct resource *res, } EXPORT_SYMBOL(__wrap_devm_memremap_pages); -pfn_t __wrap_phys_to_pfn_t(dma_addr_t addr, unsigned long flags) +pfn_t __wrap_phys_to_pfn_t(phys_addr_t addr, unsigned long flags) { struct nfit_test_resource *nfit_res = get_nfit_res(addr); diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 90bd2ea41032..b3281dcd4a5d 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -217,13 +217,16 @@ static int nfit_test_cmd_set_config_data(struct nd_cmd_set_config_hdr *nd_cmd, return rc; } +#define NFIT_TEST_ARS_RECORDS 4 + static int nfit_test_cmd_ars_cap(struct nd_cmd_ars_cap *nd_cmd, unsigned int buf_len) { if (buf_len < sizeof(*nd_cmd)) return -EINVAL; - nd_cmd->max_ars_out = 256; + nd_cmd->max_ars_out = sizeof(struct nd_cmd_ars_status) + + NFIT_TEST_ARS_RECORDS * sizeof(struct nd_ars_record); nd_cmd->status = (ND_ARS_PERSISTENT | ND_ARS_VOLATILE) << 16; return 0; @@ -246,7 +249,8 @@ static int nfit_test_cmd_ars_status(struct nd_cmd_ars_status *nd_cmd, if (buf_len < sizeof(*nd_cmd)) return -EINVAL; - nd_cmd->out_length = 256; + nd_cmd->out_length = sizeof(struct nd_cmd_ars_status); + /* TODO: emit error records */ nd_cmd->num_records = 0; nd_cmd->address = 0; nd_cmd->length = -1ULL; diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh index 77edcdcc016b..057278448515 100755 --- a/tools/testing/selftests/efivarfs/efivarfs.sh +++ b/tools/testing/selftests/efivarfs/efivarfs.sh @@ -88,7 +88,11 @@ test_delete() exit 1 fi - rm $file + rm $file 2>/dev/null + if [ $? -ne 0 ]; then + chattr -i $file + rm $file + fi if [ -e $file ]; then echo "$file couldn't be deleted" >&2 @@ -111,6 +115,7 @@ test_zero_size_delete() exit 1 fi + chattr -i $file printf "$attrs" > $file if [ -e $file ]; then @@ -141,7 +146,11 @@ test_valid_filenames() echo "$file could not be created" >&2 ret=1 else - rm $file + rm $file 2>/dev/null + if [ $? -ne 0 ]; then + chattr -i $file + rm $file + fi fi done @@ -174,7 +183,11 @@ test_invalid_filenames() if [ -e $file ]; then echo "Creating $file should have failed" >&2 - rm $file + rm $file 2>/dev/null + if [ $? -ne 0 ]; then + chattr -i $file + rm $file + fi ret=1 fi done diff --git a/tools/testing/selftests/efivarfs/open-unlink.c b/tools/testing/selftests/efivarfs/open-unlink.c index 8c0764407b3c..4af74f733036 100644 --- a/tools/testing/selftests/efivarfs/open-unlink.c +++ b/tools/testing/selftests/efivarfs/open-unlink.c @@ -1,10 +1,68 @@ +#include <errno.h> #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <unistd.h> +#include <sys/ioctl.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> +#include <linux/fs.h> + +static int set_immutable(const char *path, int immutable) +{ + unsigned int flags; + int fd; + int rc; + int error; + + fd = open(path, O_RDONLY); + if (fd < 0) + return fd; + + rc = ioctl(fd, FS_IOC_GETFLAGS, &flags); + if (rc < 0) { + error = errno; + close(fd); + errno = error; + return rc; + } + + if (immutable) + flags |= FS_IMMUTABLE_FL; + else + flags &= ~FS_IMMUTABLE_FL; + + rc = ioctl(fd, FS_IOC_SETFLAGS, &flags); + error = errno; + close(fd); + errno = error; + return rc; +} + +static int get_immutable(const char *path) +{ + unsigned int flags; + int fd; + int rc; + int error; + + fd = open(path, O_RDONLY); + if (fd < 0) + return fd; + + rc = ioctl(fd, FS_IOC_GETFLAGS, &flags); + if (rc < 0) { + error = errno; + close(fd); + errno = error; + return rc; + } + close(fd); + if (flags & FS_IMMUTABLE_FL) + return 1; + return 0; +} int main(int argc, char **argv) { @@ -27,7 +85,7 @@ int main(int argc, char **argv) buf[4] = 0; /* create a test variable */ - fd = open(path, O_WRONLY | O_CREAT); + fd = open(path, O_WRONLY | O_CREAT, 0600); if (fd < 0) { perror("open(O_WRONLY)"); return EXIT_FAILURE; @@ -41,6 +99,18 @@ int main(int argc, char **argv) close(fd); + rc = get_immutable(path); + if (rc < 0) { + perror("ioctl(FS_IOC_GETFLAGS)"); + return EXIT_FAILURE; + } else if (rc) { + rc = set_immutable(path, 0); + if (rc < 0) { + perror("ioctl(FS_IOC_SETFLAGS)"); + return EXIT_FAILURE; + } + } + fd = open(path, O_RDONLY); if (fd < 0) { perror("open"); diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance.tc b/tools/testing/selftests/ftrace/test.d/instances/instance.tc index 773e276ff90b..1e1abe0ad354 100644 --- a/tools/testing/selftests/ftrace/test.d/instances/instance.tc +++ b/tools/testing/selftests/ftrace/test.d/instances/instance.tc @@ -39,28 +39,23 @@ instance_slam() { } instance_slam & -x=`jobs -l` -p1=`echo $x | cut -d' ' -f2` +p1=$! echo $p1 instance_slam & -x=`jobs -l | tail -1` -p2=`echo $x | cut -d' ' -f2` +p2=$! echo $p2 instance_slam & -x=`jobs -l | tail -1` -p3=`echo $x | cut -d' ' -f2` +p3=$! echo $p3 instance_slam & -x=`jobs -l | tail -1` -p4=`echo $x | cut -d' ' -f2` +p4=$! echo $p4 instance_slam & -x=`jobs -l | tail -1` -p5=`echo $x | cut -d' ' -f2` +p5=$! echo $p5 ls -lR >/dev/null diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 69bca185c471..ea6064696fe4 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -143,7 +143,7 @@ static void kvm_timer_update_irq(struct kvm_vcpu *vcpu, bool new_level) * Check if there was a change in the timer state (should we raise or lower * the line level to the GIC). */ -static void kvm_timer_update_state(struct kvm_vcpu *vcpu) +static int kvm_timer_update_state(struct kvm_vcpu *vcpu) { struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu; @@ -154,10 +154,12 @@ static void kvm_timer_update_state(struct kvm_vcpu *vcpu) * until we call this function from kvm_timer_flush_hwstate. */ if (!vgic_initialized(vcpu->kvm)) - return; + return -ENODEV; if (kvm_timer_should_fire(vcpu) != timer->irq.level) kvm_timer_update_irq(vcpu, !timer->irq.level); + + return 0; } /* @@ -218,7 +220,8 @@ void kvm_timer_flush_hwstate(struct kvm_vcpu *vcpu) bool phys_active; int ret; - kvm_timer_update_state(vcpu); + if (kvm_timer_update_state(vcpu)) + return; /* * If we enter the guest with the virtual input level to the VGIC diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 043032c6a5a4..00429b392c61 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1875,8 +1875,8 @@ void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu) static int vgic_vcpu_init_maps(struct kvm_vcpu *vcpu, int nr_irqs) { struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu; - - int sz = (nr_irqs - VGIC_NR_PRIVATE_IRQS) / 8; + int nr_longs = BITS_TO_LONGS(nr_irqs - VGIC_NR_PRIVATE_IRQS); + int sz = nr_longs * sizeof(unsigned long); vgic_cpu->pending_shared = kzalloc(sz, GFP_KERNEL); vgic_cpu->active_shared = kzalloc(sz, GFP_KERNEL); vgic_cpu->pend_act_shared = kzalloc(sz, GFP_KERNEL); diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index 353159922456..db2dd3335c6a 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -172,7 +172,7 @@ int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, unsigned long hva, * do alloc nowait since if we are going to sleep anyway we * may as well sleep faulting in page */ - work = kmem_cache_zalloc(async_pf_cache, GFP_NOWAIT); + work = kmem_cache_zalloc(async_pf_cache, GFP_NOWAIT | __GFP_NOWARN); if (!work) return 0; |