diff options
787 files changed, 11195 insertions, 7331 deletions
diff --git a/.gitignore b/.gitignore index df8d3146a43f..7afd412dadd2 100644 --- a/.gitignore +++ b/.gitignore @@ -48,14 +48,11 @@ *.xz *.zst Module.symvers -modules.builtin modules.order # # Top-level generic files # -/tags -/TAGS /linux /modules-only.symvers /vmlinux @@ -66,6 +63,7 @@ modules.order /vmlinuz /System.map /Module.markers +/modules.builtin /modules.builtin.modinfo /modules.nsdeps @@ -114,6 +112,10 @@ patches-* patches series +# ctags files +tags +TAGS + # cscope files cscope.* ncscope.* @@ -1874,6 +1874,11 @@ S: Krosenska' 543 S: 181 00 Praha 8 S: Czech Republic +N: Murali Karicheri +D: Keystone NetCP driver +D: Keystone PCIe host controller driver + N: Jan "Yenya" Kasprzak D: Author of the COSA/SRP sync serial board driver. diff --git a/Documentation/ABI/testing/sysfs-class-net-qmi b/Documentation/ABI/testing/sysfs-class-net-qmi index ed79f5893421..47e6b9732337 100644 --- a/Documentation/ABI/testing/sysfs-class-net-qmi +++ b/Documentation/ABI/testing/sysfs-class-net-qmi @@ -58,3 +58,19 @@ Description: Indicates the mux id associated to the qmimux network interface during its creation. + +What: /sys/class/net/<iface>/qmi/pass_through +Date: January 2021 +KernelVersion: 5.12 +Contact: Subash Abhinov Kasiviswanathan <[email protected]> +Description: + Boolean. Default: 'N' + + Set this to 'Y' to enable 'pass-through' mode, allowing packets + in MAP format to be passed on to the stack. + + Normally the rmnet driver (CONFIG_RMNET) is then used to process + and demultiplex these packets. + + 'Pass-through' mode can be enabled when the device is in + 'raw-ip' mode only. diff --git a/Documentation/ABI/testing/sysfs-driver-input-exc3000 b/Documentation/ABI/testing/sysfs-driver-input-exc3000 index cd7c578aef2c..704434b277b0 100644 --- a/Documentation/ABI/testing/sysfs-driver-input-exc3000 +++ b/Documentation/ABI/testing/sysfs-driver-input-exc3000 @@ -15,3 +15,12 @@ Description: Reports the model identification provided by the touchscreen, fo Access: Read Valid values: Represented as string + +What: /sys/bus/i2c/devices/xxx/type +Date: Jan 2021 +Contact: [email protected] +Description: Reports the type identification provided by the touchscreen, for example "PCAP82H80 Series" + + Access: Read + + Valid values: Represented as string diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt index ef41f77cb979..9c2be821c225 100644 --- a/Documentation/admin-guide/devices.txt +++ b/Documentation/admin-guide/devices.txt @@ -4,7 +4,7 @@ 1 char Memory devices 1 = /dev/mem Physical memory access - 2 = /dev/kmem Kernel virtual memory access + 2 = /dev/kmem OBSOLETE - replaced by /proc/kcore 3 = /dev/null Null device 4 = /dev/port I/O port access 5 = /dev/zero Null byte source diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 5bcc229d31e2..cb89dbdedc46 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1835,6 +1835,18 @@ initcall functions. Useful for debugging built-in modules and initcalls. + initramfs_async= [KNL] + Format: <bool> + Default: 1 + This parameter controls whether the initramfs + image is unpacked asynchronously, concurrently + with devices being probed and + initialized. This should normally just work, + but as a debugging aid, one can get the + historical behaviour of the initramfs + unpacking being completed before device_ and + late_ initcalls. + initrd= [BOOT] Specify the location of the initial ramdisk initrdmem= [KNL] Specify a physical address and size from which to @@ -3270,6 +3282,8 @@ nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings. + nohugevmalloc [PPC] Disable kernel huge vmalloc mappings. + nosmt [KNL,S390] Disable symmetric multithreading (SMT). Equivalent to smt=1. diff --git a/Documentation/arm64/booting.rst b/Documentation/arm64/booting.rst index 4fcc00add117..18b8cc1bf32c 100644 --- a/Documentation/arm64/booting.rst +++ b/Documentation/arm64/booting.rst @@ -277,9 +277,40 @@ Before jumping into the kernel, the following conditions must be met: - SCR_EL3.FGTEn (bit 27) must be initialised to 0b1. + For CPUs with Advanced SIMD and floating point support: + + - If EL3 is present: + + - CPTR_EL3.TFP (bit 10) must be initialised to 0b0. + + - If EL2 is present and the kernel is entered at EL1: + + - CPTR_EL2.TFP (bit 10) must be initialised to 0b0. + + For CPUs with the Scalable Vector Extension (FEAT_SVE) present: + + - if EL3 is present: + + - CPTR_EL3.EZ (bit 8) must be initialised to 0b1. + + - ZCR_EL3.LEN must be initialised to the same value for all CPUs the + kernel is executed on. + + - If the kernel is entered at EL1 and EL2 is present: + + - CPTR_EL2.TZ (bit 8) must be initialised to 0b0. + + - CPTR_EL2.ZEN (bits 17:16) must be initialised to 0b11. + + - ZCR_EL2.LEN must be initialised to the same value for all CPUs the + kernel will execute on. + The requirements described above for CPU mode, caches, MMUs, architected timers, coherency and system registers apply to all CPUs. All CPUs must -enter the kernel in the same exception level. +enter the kernel in the same exception level. Where the values documented +disable traps it is permissible for these traps to be enabled so long as +those traps are handled transparently by higher exception levels as though +the values documented were set. The boot loader is expected to enter the kernel on each CPU in the following manner: diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst index 87821662eeb2..ec1a5a63c1d0 100644 --- a/Documentation/arm64/elf_hwcaps.rst +++ b/Documentation/arm64/elf_hwcaps.rst @@ -74,7 +74,7 @@ HWCAP_ASIMD HWCAP_EVTSTRM The generic timer is configured to generate events at a frequency of - approximately 100KHz. + approximately 10KHz. HWCAP_AES Functionality implied by ID_AA64ISAR0_EL1.AES == 0b0001. diff --git a/Documentation/arm64/tagged-address-abi.rst b/Documentation/arm64/tagged-address-abi.rst index cbc4d4500241..459e6b66ff68 100644 --- a/Documentation/arm64/tagged-address-abi.rst +++ b/Documentation/arm64/tagged-address-abi.rst @@ -113,6 +113,12 @@ ABI relaxation: - ``shmat()`` and ``shmdt()``. +- ``brk()`` (since kernel v5.6). + +- ``mmap()`` (since kernel v5.6). + +- ``mremap()``, the ``new_address`` argument (since kernel v5.6). + Any attempt to use non-zero tagged pointers may result in an error code being returned, a (fatal) signal being raised, or other modes of failure. diff --git a/Documentation/dev-tools/gdb-kernel-debugging.rst b/Documentation/dev-tools/gdb-kernel-debugging.rst index 4756f6b3a04e..8e0f1fe8d17a 100644 --- a/Documentation/dev-tools/gdb-kernel-debugging.rst +++ b/Documentation/dev-tools/gdb-kernel-debugging.rst @@ -114,7 +114,7 @@ Examples of using the Linux-provided gdb helpers [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved .... -- Examine fields of the current task struct:: +- Examine fields of the current task struct(supported by x86 and arm64 only):: (gdb) p $lx_current().pid $1 = 4998 diff --git a/Documentation/devicetree/bindings/.gitignore b/Documentation/devicetree/bindings/.gitignore index 3a05b99bfa26..a77719968a7e 100644 --- a/Documentation/devicetree/bindings/.gitignore +++ b/Documentation/devicetree/bindings/.gitignore @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only *.example.dts -processed-schema*.yaml -processed-schema*.json +/processed-schema*.yaml +/processed-schema*.json diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml index 57324a5f0271..a1d5a32660e0 100644 --- a/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml +++ b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml @@ -109,7 +109,7 @@ required: - resets - ddc -unevaluatedProperties: false +additionalProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml index 552a99ce4f12..121596f106da 100644 --- a/Documentation/devicetree/bindings/display/renesas,du.yaml +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml @@ -51,6 +51,9 @@ properties: resets: true reset-names: true + power-domains: + maxItems: 1 + ports: $ref: /schemas/graph.yaml#/properties/port description: | diff --git a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml index adb5165505aa..62f3ca66274f 100644 --- a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml +++ b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml @@ -49,7 +49,7 @@ additionalProperties: true examples: - | i3c-master@a0000000 { - compatible = "silvaco,i3c-master"; + compatible = "silvaco,i3c-master-v1"; clocks = <&zynqmp_clk 71>, <&fclk>, <&sclk>; clock-names = "pclk", "fast_clk", "slow_clk"; interrupt-parent = <&gic>; diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml index 8c6418f76e94..3ec579d63570 100644 --- a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml +++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml @@ -39,6 +39,13 @@ properties: (active low). The line must be flagged with GPIO_ACTIVE_LOW. + wake-gpios: + maxItems: 1 + description: + Optional GPIO specifier for the touchscreen's wake pin + (active low). The line must be flagged with + GPIO_ACTIVE_LOW. + linux,gpio-keymap: $ref: /schemas/types.yaml#/definitions/uint32-array description: | @@ -53,6 +60,29 @@ properties: or experiment to determine which bit corresponds to which input. Use KEY_RESERVED for unused padding values. + atmel,wakeup-method: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + The WAKE line is an active-low input that is used to wake up the touch + controller from deep-sleep mode before communication with the controller + could be started. This optional feature used to minimize current + consumption when the controller is in deep sleep mode. This feature is + relevant only to some controller families, like mXT1386 controller for + example. + + The WAKE pin can be connected in one of the following ways: + 1) left permanently low + 2) connected to the I2C-compatible SCL pin + 3) connected to a GPIO pin on the host + enum: + - 0 # ATMEL_MXT_WAKEUP_NONE + - 1 # ATMEL_MXT_WAKEUP_I2C_SCL + - 2 # ATMEL_MXT_WAKEUP_GPIO + default: 0 + + wakeup-source: + type: boolean + required: - compatible - reg @@ -63,6 +93,7 @@ additionalProperties: false examples: - | #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/input/atmel-maxtouch.h> #include <dt-bindings/gpio/gpio.h> i2c { #address-cells = <1>; @@ -75,6 +106,7 @@ examples: reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; vdda-supply = <&ab8500_ldo_aux2_reg>; vdd-supply = <&ab8500_ldo_aux5_reg>; + atmel,wakeup-method = <ATMEL_MXT_WAKEUP_I2C_SCL>; }; }; diff --git a/Documentation/devicetree/bindings/input/iqs626a.yaml b/Documentation/devicetree/bindings/input/iqs626a.yaml new file mode 100644 index 000000000000..0cb736c541c9 --- /dev/null +++ b/Documentation/devicetree/bindings/input/iqs626a.yaml @@ -0,0 +1,843 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/iqs626a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Azoteq IQS626A Capacitive Touch Controller + +maintainers: + - Jeff LaBundy <[email protected]> + +description: | + The Azoteq IQS626A is a 14-channel capacitive touch controller that features + additional Hall-effect and inductive sensing capabilities. + + Link to datasheet: https://www.azoteq.com/ + +allOf: + - $ref: touchscreen/touchscreen.yaml# + +properties: + compatible: + const: azoteq,iqs626a + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + azoteq,suspend-mode: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: | + Specifies the power mode during suspend as follows: + 0: Automatic (same as normal runtime, i.e. suspend/resume disabled) + 1: Low power (all sensing at a reduced reporting rate) + 2: Ultra-low power (ULP channel proximity sensing) + 3: Halt (no sensing) + + azoteq,clk-div: + type: boolean + description: Divides the device's core clock by a factor of 4. + + azoteq,ulp-enable: + type: boolean + description: + Permits the device to automatically enter ultra-low-power mode from low- + power mode. + + azoteq,ulp-update: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4, 5, 6, 7] + default: 3 + description: | + Specifies the rate at which the trackpad, generic and Hall channels are + updated during ultra-low-power mode as follows: + 0: 8 + 1: 13 + 2: 28 + 3: 54 + 4: 89 + 5: 135 + 6: 190 + 7: 256 + + azoteq,ati-band-disable: + type: boolean + description: Disables the ATI band check. + + azoteq,ati-lp-only: + type: boolean + description: Limits automatic ATI to low-power mode. + + azoteq,gpio3-select: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4, 5, 6, 7] + default: 1 + description: | + Selects the channel or group of channels for which the GPIO3 pin + represents touch state as follows: + 0: None + 1: ULP channel + 2: Trackpad + 3: Trackpad + 4: Generic channel 0 + 5: Generic channel 1 + 6: Generic channel 2 + 7: Hall channel + + azoteq,reseed-select: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: | + Specifies the event(s) that prompt the device to reseed (i.e. reset the + long-term average) of an associated channel as follows: + 0: None + 1: Proximity + 2: Proximity or touch + 3: Proximity, touch or deep touch + + azoteq,thresh-extend: + type: boolean + description: Multiplies all touch and deep-touch thresholds by 4. + + azoteq,tracking-enable: + type: boolean + description: + Enables all associated channels to track their respective reference + channels. + + azoteq,reseed-offset: + type: boolean + description: + Applies an 8-count offset to all long-term averages upon either ATI or + reseed events. + + azoteq,rate-np-ms: + minimum: 0 + maximum: 255 + default: 150 + description: Specifies the report rate (in ms) during normal-power mode. + + azoteq,rate-lp-ms: + minimum: 0 + maximum: 255 + default: 150 + description: Specifies the report rate (in ms) during low-power mode. + + azoteq,rate-ulp-ms: + multipleOf: 16 + minimum: 0 + maximum: 4080 + default: 0 + description: Specifies the report rate (in ms) during ultra-low-power mode. + + azoteq,timeout-pwr-ms: + multipleOf: 512 + minimum: 0 + maximum: 130560 + default: 2560 + description: + Specifies the length of time (in ms) to wait for an event before moving + from normal-power mode to low-power mode, or (if 'azoteq,ulp-enable' is + present) from low-power mode to ultra-low-power mode. + + azoteq,timeout-lta-ms: + multipleOf: 512 + minimum: 0 + maximum: 130560 + default: 40960 + description: + Specifies the length of time (in ms) to wait before resetting the long- + term average of all channels. Specify the maximum timeout to disable it + altogether. + + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + +patternProperties: + "^ulp-0|generic-[0-2]|hall$": + type: object + description: + Represents a single sensing channel. A channel is active if defined and + inactive otherwise. + + properties: + azoteq,ati-exclude: + type: boolean + description: + Prevents the channel from participating in an ATI event that is + manually triggered during initialization. + + azoteq,reseed-disable: + type: boolean + description: + Prevents the channel from being reseeded if the long-term average + timeout (defined in 'azoteq,timeout-lta') expires. + + azoteq,meas-cap-decrease: + type: boolean + description: + Decreases the internal measurement capacitance from 60 pF to 15 pF. + + azoteq,rx-inactive: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + default: 0 + description: | + Specifies how inactive CRX pins are to be terminated as follows: + 0: VSS + 1: Floating + 2: VREG (generic channels only) + + azoteq,linearize: + type: boolean + description: + Enables linearization of the channel's counts (generic and Hall + channels) or inverts the polarity of the channel's proximity or + touch states (ULP channel). + + azoteq,dual-direction: + type: boolean + description: + Specifies that the channel's long-term average is to freeze in the + presence of either increasing or decreasing counts, thereby permit- + ting events to be reported in either direction. + + azoteq,filt-disable: + type: boolean + description: Disables raw count filtering for the channel. + + azoteq,ati-mode: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + description: | + Specifies the channel's ATI mode as follows: + 0: Disabled + 1: Semi-partial + 2: Partial + 3: Full + + The default value is a function of the channel and the device's reset + user interface (RUI); reference the datasheet for further information + about the available RUI options. + + azoteq,ati-base: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [75, 100, 150, 200] + description: + Specifies the channel's ATI base. The default value is a function + of the channel and the device's RUI. + + azoteq,ati-target: + $ref: /schemas/types.yaml#/definitions/uint32 + multipleOf: 32 + minimum: 0 + maximum: 2016 + description: + Specifies the channel's ATI target. The default value is a function + of the channel and the device's RUI. + + azoteq,cct-increase: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 16 + default: 0 + description: + Specifies the degree to which the channel's charge cycle time is to + be increased, with 0 representing no increase. The maximum value is + limited to 4 in the case of the ULP channel, and the property is un- + available entirely in the case of the Hall channel. + + azoteq,proj-bias: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: | + Specifies the bias current applied during projected-capacitance + sensing as follows: + 0: 2.5 uA + 1: 5 uA + 2: 10 uA + 3: 20 uA + + This property is unavailable in the case of the Hall channel. + + azoteq,sense-freq: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + description: | + Specifies the channel's sensing frequency as follows (parenthesized + numbers represent the frequency if 'azoteq,clk-div' is present): + 0: 4 MHz (1 MHz) + 1: 2 MHz (500 kHz) + 2: 1 MHz (250 kHz) + 3: 500 kHz (125 kHz) + + This property is unavailable in the case of the Hall channel. The + default value is a function of the channel and the device's RUI. + + azoteq,ati-band-tighten: + type: boolean + description: + Tightens the ATI band from 1/8 to 1/16 of the desired target (ULP and + generic channels only). + + azoteq,proj-enable: + type: boolean + description: Enables projected-capacitance sensing (ULP channel only). + + azoteq,filt-str-np-cnt: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: + Specifies the raw count filter strength during normal-power mode (ULP + and generic channels only). + + azoteq,filt-str-lp-cnt: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: + Specifies the raw count filter strength during low-power mode (ULP and + generic channels only). + + azoteq,filt-str-np-lta: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: + Specifies the long-term average filter strength during normal-power + mode (ULP and generic channels only). + + azoteq,filt-str-lp-lta: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: + Specifies the long-term average filter strength during low-power mode + (ULP and generic channels only). + + azoteq,rx-enable: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 8 + items: + minimum: 0 + maximum: 7 + description: + Specifies the CRX pin(s) associated with the channel. + + This property is unavailable in the case of the Hall channel. The + default value is a function of the channel and the device's RUI. + + azoteq,tx-enable: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 8 + items: + minimum: 0 + maximum: 7 + description: + Specifies the TX pin(s) associated with the channel. + + This property is unavailable in the case of the Hall channel. The + default value is a function of the channel and the device's RUI. + + azoteq,local-cap-size: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4] + default: 0 + description: | + Specifies the capacitance to be added to the channel as follows: + 0: 0 pF + 1: 0.5 pF + 2: 1.0 pF + 3: 1.5 pF + 4: 2.0 pF + + This property is unavailable in the case of the ULP or Hall channels. + + azoteq,sense-mode: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 8, 9, 12, 14, 15] + description: | + Specifies the channel's sensing mode as follows: + 0: Self capacitance + 1: Projected capacitance + 8: Self inductance + 9: Mutual inductance + 12: External + 14: Hall effect + 15: Temperature + + This property is unavailable in the case of the ULP or Hall channels. + The default value is a function of the channel and the device's RUI. + + azoteq,tx-freq: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: | + Specifies the inductive sensing excitation frequency as follows + (parenthesized numbers represent the frequency if 'azoteq,clk-div' + is present): + 0: 16 MHz (4 MHz) + 1: 8 MHz (2 MHz) + 2: 4 MHz (1 MHz) + 3: 2 MHz (500 kHz) + + This property is unavailable in the case of the ULP or Hall channels. + + azoteq,invert-enable: + type: boolean + description: + Inverts the polarity of the states reported for proximity, touch and + deep-touch events relative to their respective thresholds (generic + channels only). + + azoteq,comp-disable: + type: boolean + description: + Disables compensation for the channel (generic channels only). + + azoteq,static-enable: + type: boolean + description: + Enables the static front-end for the channel (generic channels only). + + azoteq,assoc-select: + $ref: /schemas/types.yaml#/definitions/string-array + minItems: 1 + maxItems: 6 + items: + enum: + - ulp-0 + - trackpad-3x2 + - trackpad-3x3 + - generic-0 + - generic-1 + - generic-2 + - hall + description: + Specifies the associated channels for which the channel serves as a + reference channel. By default, no channels are selected. This prop- + erty is only available for the generic channels. + + azoteq,assoc-weight: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + default: 0 + description: + Specifies the channel's impact weight if it acts as an associated + channel (0 = 0% impact, 255 = 200% impact). This property is only + available for the generic channels. + + patternProperties: + "^event-(prox|touch|deep)(-alt)?$": + type: object + description: + Represents a proximity, touch or deep-touch event reported by the + channel in response to a decrease in counts. Node names suffixed with + '-alt' instead correspond to an increase in counts. + + By default, the long-term average tracks an increase in counts such + that only events corresponding to a decrease in counts are reported + (refer to the datasheet for more information). + + Specify 'azoteq,dual-direction' to freeze the long-term average when + the counts increase or decrease such that events of either direction + can be reported. Alternatively, specify 'azoteq,invert-enable' to in- + vert the polarity of the states reported by the channel. + + Complementary events (e.g. event-touch and event-touch-alt) can both + be present and specify different key or switch codes, but not differ- + ent thresholds or hysteresis (if applicable). + + Proximity events are unavailable in the case of the Hall channel, and + deep-touch events are only available for the generic channels. Unless + otherwise specified, default values are a function of the channel and + the device's RUI. + + properties: + azoteq,thresh: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + description: Specifies the threshold for the event. + + azoteq,hyst: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 15 + description: + Specifies the hysteresis for the event (touch and deep-touch + events only). + + linux,code: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Numeric key or switch code associated with the event. + + linux,input-type: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 5] + description: + Specifies whether the event is to be interpreted as a key (1) or + a switch (5). By default, Hall-channel events are interpreted as + switches and all others are interpreted as keys. + + dependencies: + linux,input-type: ["linux,code"] + + additionalProperties: false + + dependencies: + azoteq,assoc-weight: ["azoteq,assoc-select"] + + additionalProperties: false + + "^trackpad-3x[2-3]$": + type: object + description: + Represents all channels associated with the trackpad. The channels are + collectively active if the trackpad is defined and inactive otherwise. + + properties: + azoteq,ati-exclude: + type: boolean + description: + Prevents the trackpad channels from participating in an ATI event + that is manually triggered during initialization. + + azoteq,reseed-disable: + type: boolean + description: + Prevents the trackpad channels from being reseeded if the long-term + average timeout (defined in 'azoteq,timeout-lta') expires. + + azoteq,meas-cap-decrease: + type: boolean + description: + Decreases the internal measurement capacitance from 60 pF to 15 pF. + + azoteq,rx-inactive: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + default: 0 + description: | + Specifies how inactive CRX pins are to be terminated as follows: + 0: VSS + 1: Floating + + azoteq,linearize: + type: boolean + description: Inverts the polarity of the trackpad's touch state. + + azoteq,dual-direction: + type: boolean + description: + Specifies that the trackpad's long-term averages are to freeze in + the presence of either increasing or decreasing counts, thereby + permitting events to be reported in either direction. + + azoteq,filt-disable: + type: boolean + description: Disables raw count filtering for the trackpad channels. + + azoteq,ati-mode: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: | + Specifies the trackpad's ATI mode as follows: + 0: Disabled + 1: Semi-partial + 2: Partial + 3: Full + + azoteq,ati-base: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 6 + maxItems: 9 + items: + minimum: 45 + maximum: 300 + default: [45, 45, 45, 45, 45, 45, 45, 45, 45] + description: Specifies each individual trackpad channel's ATI base. + + azoteq,ati-target: + $ref: /schemas/types.yaml#/definitions/uint32 + multipleOf: 32 + minimum: 0 + maximum: 2016 + default: 0 + description: Specifies the trackpad's ATI target. + + azoteq,cct-increase: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 4 + default: 0 + description: + Specifies the degree to which the trackpad's charge cycle time is to + be increased, with 0 representing no increase. + + azoteq,proj-bias: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: | + Specifies the bias current applied during projected-capacitance + sensing as follows: + 0: 2.5 uA + 1: 5 uA + 2: 10 uA + 3: 20 uA + + azoteq,sense-freq: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: | + Specifies the trackpad's sensing frequency as follows (parenthesized + numbers represent the frequency if 'azoteq,clk-div' is present): + 0: 4 MHz (1 MHz) + 1: 2 MHz (500 kHz) + 2: 1 MHz (250 kHz) + 3: 500 kHz (125 kHz) + + azoteq,ati-band-tighten: + type: boolean + description: + Tightens the ATI band from 1/8 to 1/16 of the desired target. + + azoteq,thresh: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 6 + maxItems: 9 + items: + minimum: 0 + maximum: 255 + default: [0, 0, 0, 0, 0, 0, 0, 0, 0] + description: + Specifies each individual trackpad channel's touch threshold. + + azoteq,hyst: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 15 + default: 0 + description: Specifies the trackpad's touch hysteresis. + + azoteq,lta-update: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4, 5, 6, 7] + default: 0 + description: | + Specifies the update rate of the trackpad's long-term average during + ultra-low-power mode as follows: + 0: 2 + 1: 4 + 2: 8 + 3: 16 + 4: 32 + 5: 64 + 6: 128 + 7: 255 + + azoteq,filt-str-trackpad: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: Specifies the trackpad coordinate filter strength. + + azoteq,filt-str-np-cnt: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: + Specifies the raw count filter strength during normal-power mode. + + azoteq,filt-str-lp-cnt: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + default: 0 + description: + Specifies the raw count filter strength during low-power mode. + + linux,keycodes: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 6 + description: | + Specifies the numeric keycodes associated with each available gesture + in the following order (enter 0 for unused gestures): + 0: Positive flick or swipe in X direction + 1: Negative flick or swipe in X direction + 2: Positive flick or swipe in Y direction + 3: Negative flick or swipe in Y direction + 4: Tap + 5: Hold + + azoteq,gesture-swipe: + type: boolean + description: + Directs the device to interpret axial gestures as a swipe (finger + remains on trackpad) instead of a flick (finger leaves trackpad). + + azoteq,timeout-tap-ms: + multipleOf: 16 + minimum: 0 + maximum: 4080 + default: 0 + description: + Specifies the length of time (in ms) within which a trackpad touch + must be released in order to be interpreted as a tap. + + azoteq,timeout-swipe-ms: + multipleOf: 16 + minimum: 0 + maximum: 4080 + default: 0 + description: + Specifies the length of time (in ms) within which an axial gesture + must be completed in order to be interpreted as a flick or swipe. + + azoteq,thresh-swipe: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + default: 0 + description: + Specifies the number of points across which an axial gesture must + travel in order to be interpreted as a flick or swipe. + + dependencies: + azoteq,gesture-swipe: ["linux,keycodes"] + azoteq,timeout-tap-ms: ["linux,keycodes"] + azoteq,timeout-swipe-ms: ["linux,keycodes"] + azoteq,thresh-swipe: ["linux,keycodes"] + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/input/input.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + iqs626a@44 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "azoteq,iqs626a"; + reg = <0x44>; + interrupt-parent = <&gpio>; + interrupts = <17 IRQ_TYPE_LEVEL_LOW>; + + azoteq,rate-np-ms = <16>; + azoteq,rate-lp-ms = <160>; + + azoteq,timeout-pwr-ms = <2560>; + azoteq,timeout-lta-ms = <32768>; + + ulp-0 { + azoteq,meas-cap-decrease; + + azoteq,ati-base = <75>; + azoteq,ati-target = <1024>; + + azoteq,rx-enable = <2>, <3>, <4>, + <5>, <6>, <7>; + + event-prox { + linux,code = <KEY_POWER>; + }; + }; + + trackpad-3x3 { + azoteq,filt-str-np-cnt = <1>; + azoteq,filt-str-lp-cnt = <1>; + + azoteq,hyst = <4>; + azoteq,thresh = <35>, <40>, <40>, + <38>, <33>, <38>, + <35>, <35>, <35>; + + azoteq,ati-mode = <3>; + azoteq,ati-base = <195>, <195>, <195>, + <195>, <195>, <195>, + <195>, <195>, <195>; + azoteq,ati-target = <512>; + + azoteq,proj-bias = <1>; + azoteq,sense-freq = <2>; + + linux,keycodes = <KEY_VOLUMEUP>, + <KEY_VOLUMEDOWN>, + <KEY_NEXTSONG>, + <KEY_PREVIOUSSONG>, + <KEY_PLAYPAUSE>, + <KEY_STOPCD>; + + azoteq,gesture-swipe; + azoteq,timeout-swipe-ms = <800>; + azoteq,timeout-tap-ms = <400>; + azoteq,thresh-swipe = <40>; + }; + + /* + * Preserve the default register settings for + * the temperature-tracking channel leveraged + * by reset user interface (RUI) 1. + * + * Scalar properties (e.g. ATI mode) are left + * untouched by simply omitting them; boolean + * properties must be specified explicitly as + * needed. + */ + generic-2 { + azoteq,reseed-disable; + azoteq,meas-cap-decrease; + azoteq,dual-direction; + azoteq,comp-disable; + azoteq,static-enable; + }; + + hall { + azoteq,reseed-disable; + azoteq,meas-cap-decrease; + + event-touch { + linux,code = <SW_LID>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/input/touchscreen/azoteq,iqs5xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/azoteq,iqs5xx.yaml new file mode 100644 index 000000000000..b5f377215c09 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/azoteq,iqs5xx.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/azoteq,iqs5xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Azoteq IQS550/572/525 Trackpad/Touchscreen Controller + +maintainers: + - Jeff LaBundy <[email protected]> + +description: | + The Azoteq IQS550, IQS572 and IQS525 trackpad and touchscreen controllers + employ projected-capacitance sensing and can track up to five independent + contacts. + + Link to datasheet: https://www.azoteq.com/ + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - azoteq,iqs550 + - azoteq,iqs572 + - azoteq,iqs525 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + wakeup-source: true + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@74 { + compatible = "azoteq,iqs550"; + reg = <0x74>; + interrupt-parent = <&gpio>; + interrupts = <27 IRQ_TYPE_LEVEL_HIGH>; + reset-gpios = <&gpio 22 (GPIO_ACTIVE_LOW | + GPIO_PUSH_PULL)>; + + touchscreen-size-x = <800>; + touchscreen-size-y = <480>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml new file mode 100644 index 000000000000..942562f1e45b --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml @@ -0,0 +1,119 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/hycon,hy46xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hycon HY46XX series touchscreen controller bindings + +description: | + There are 6 variants of the chip for various touch panel sizes and cover lens material + Glass: 0.3mm--4.0mm + PET/PMMA: 0.2mm--2.0mm + HY4613(B)-N048 < 6" + HY4614(B)-N068 7" .. 10.1" + HY4621-NS32 < 5" + HY4623-NS48 5.1" .. 7" + Glass: 0.3mm--8.0mm + PET/PMMA: 0.2mm--4.0mm + HY4633(B)-N048 < 6" + HY4635(B)-N048 < 7" .. 10.1" + +maintainers: + - Giulio Benetti <[email protected]> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - hycon,hy4613 + - hycon,hy4614 + - hycon,hy4621 + - hycon,hy4623 + - hycon,hy4633 + - hycon,hy4635 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vcc-supply: true + + hycon,threshold: + description: Allows setting the sensitivity in the range from 0 to 255. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + + hycon,glove-enable: + type: boolean + description: Allows enabling glove setting. + + hycon,report-speed-hz: + description: Allows setting the report speed in Hertz. + minimum: 1 + maximum: 255 + + hycon,noise-filter-enable: + type: boolean + description: Allows enabling power noise filter. + + hycon,filter-data: + description: Allows setting how many samples throw before reporting touch + in the range from 0 to 5. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + + hycon,gain: + description: Allows setting the sensitivity distance in the range from 0 to 5. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + + hycon,edge-offset: + description: Allows setting the edge compensation in the range from 0 to 16. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 16 + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-fuzz-x: true + touchscreen-fuzz-y: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + interrupt-controller: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@1c { + compatible = "hycon,hy4633"; + reg = <0x1c>; + interrupt-parent = <&gpio2>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.yaml b/Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.yaml new file mode 100644 index 000000000000..a190e7baac31 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/ilitek_ts_i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ilitek I2C Touchscreen Controller + +maintainers: + - Dmitry Torokhov <[email protected]> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - ilitek,ili2130 + - ilitek,ili2131 + - ilitek,ili2132 + - ilitek,ili2316 + - ilitek,ili2322 + - ilitek,ili2323 + - ilitek,ili2326 + - ilitek,ili2520 + - ilitek,ili2521 + + reg: + const: 0x41 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + wakeup-source: + type: boolean + description: touchscreen can be used as a wakeup source. + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - reset-gpios + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@41 { + compatible = "ilitek,ili2520"; + reg = <0x41>; + + interrupt-parent = <&gpio1>; + interrupts = <7 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; + touchscreen-inverted-y; + wakeup-source; + }; + }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt b/Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt deleted file mode 100644 index efa0820e2469..000000000000 --- a/Documentation/devicetree/bindings/input/touchscreen/iqs5xx.txt +++ /dev/null @@ -1,80 +0,0 @@ -Azoteq IQS550/572/525 Trackpad/Touchscreen Controller - -Required properties: - -- compatible : Must be equal to one of the following: - "azoteq,iqs550" - "azoteq,iqs572" - "azoteq,iqs525" - -- reg : I2C slave address for the device. - -- interrupts : GPIO to which the device's active-high RDY - output is connected (see [0]). - -- reset-gpios : GPIO to which the device's active-low NRST - input is connected (see [1]). - -Optional properties: - -- touchscreen-min-x : See [2]. - -- touchscreen-min-y : See [2]. - -- touchscreen-size-x : See [2]. If this property is omitted, the - maximum x-coordinate is specified by the - device's "X Resolution" register. - -- touchscreen-size-y : See [2]. If this property is omitted, the - maximum y-coordinate is specified by the - device's "Y Resolution" register. - -- touchscreen-max-pressure : See [2]. Pressure is expressed as the sum of - the deltas across all channels impacted by a - touch event. A channel's delta is calculated - as its count value minus a reference, where - the count value is inversely proportional to - the channel's capacitance. - -- touchscreen-fuzz-x : See [2]. - -- touchscreen-fuzz-y : See [2]. - -- touchscreen-fuzz-pressure : See [2]. - -- touchscreen-inverted-x : See [2]. Inversion is applied relative to that - which may already be specified by the device's - FLIP_X and FLIP_Y register fields. - -- touchscreen-inverted-y : See [2]. Inversion is applied relative to that - which may already be specified by the device's - FLIP_X and FLIP_Y register fields. - -- touchscreen-swapped-x-y : See [2]. Swapping is applied relative to that - which may already be specified by the device's - SWITCH_XY_AXIS register field. - -[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt -[1]: Documentation/devicetree/bindings/gpio/gpio.txt -[2]: Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt - -Example: - - &i2c1 { - /* ... */ - - touchscreen@74 { - compatible = "azoteq,iqs550"; - reg = <0x74>; - interrupt-parent = <&gpio>; - interrupts = <17 4>; - reset-gpios = <&gpio 27 1>; - - touchscreen-size-x = <640>; - touchscreen-size-y = <480>; - - touchscreen-max-pressure = <16000>; - }; - - /* ... */ - }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml b/Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml new file mode 100644 index 000000000000..62366886fb3e --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/melfas,mms114.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Melfas MMS114 family touchscreen controller bindings + +maintainers: + - Linus Walleij <[email protected]> + +allOf: + - $ref: touchscreen.yaml# + +properties: + $nodename: + pattern: "^touchscreen(@.*)?$" + + compatible: + items: + - enum: + - melfas,mms114 + - melfas,mms134s + - melfas,mms136 + - melfas,mms152 + - melfas,mms345l + + reg: + description: I2C address + + clock-frequency: + description: I2C client clock frequency, defined for host + minimum: 100000 + maximum: 400000 + + interrupts: + maxItems: 1 + + avdd-supply: + description: Analog power supply regulator on AVDD pin + + vdd-supply: + description: Digital power supply regulator on VDD pin + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-fuzz-x: true + touchscreen-fuzz-y: true + touchscreen-fuzz-pressure: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + touchscreen-max-pressure: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - touchscreen-size-x + - touchscreen-size-y + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@48 { + compatible = "melfas,mms114"; + reg = <0x48>; + interrupt-parent = <&gpio>; + interrupts = <39 IRQ_TYPE_EDGE_FALLING>; + avdd-supply = <&ldo1_reg>; + vdd-supply = <&ldo2_reg>; + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + touchscreen-fuzz-x = <10>; + touchscreen-fuzz-y = <10>; + touchscreen-fuzz-pressure = <10>; + touchscreen-inverted-x; + touchscreen-inverted-y; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/input/touchscreen/mms114.txt b/Documentation/devicetree/bindings/input/touchscreen/mms114.txt deleted file mode 100644 index 707234cfd7e6..000000000000 --- a/Documentation/devicetree/bindings/input/touchscreen/mms114.txt +++ /dev/null @@ -1,42 +0,0 @@ -* MELFAS MMS114/MMS152/MMS345L touchscreen controller - -Required properties: -- compatible: should be one of: - - "melfas,mms114" - - "melfas,mms152" - - "melfas,mms345l" -- reg: I2C address of the chip -- interrupts: interrupt to which the chip is connected -- touchscreen-size-x: See [1] -- touchscreen-size-y: See [1] - -Optional properties: -- touchscreen-fuzz-x: See [1] -- touchscreen-fuzz-y: See [1] -- touchscreen-fuzz-pressure: See [1] -- touchscreen-inverted-x: See [1] -- touchscreen-inverted-y: See [1] -- touchscreen-swapped-x-y: See [1] - -[1]: Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt - -Example: - - i2c@00000000 { - /* ... */ - - touchscreen@48 { - compatible = "melfas,mms114"; - reg = <0x48>; - interrupts = <39 0>; - touchscreen-size-x = <720>; - touchscreen-size-y = <1280>; - touchscreen-fuzz-x = <10>; - touchscreen-fuzz-y = <10>; - touchscreen-fuzz-pressure = <10>; - touchscreen-inverted-x; - touchscreen-inverted-y; - }; - - /* ... */ - }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml new file mode 100644 index 000000000000..3a42c23faf6f --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg2638.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MStar msg2638 touchscreen controller Bindings + +maintainers: + - Vincent Knecht <[email protected]> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: mstar,msg2638 + + reg: + const: 0x26 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vdd-supply: + description: Power supply regulator for the chip + + vddio-supply: + description: Power supply regulator for the I2C bus + + touchscreen-size-x: true + touchscreen-size-y: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - reset-gpios + - touchscreen-size-x + - touchscreen-size-y + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@26 { + compatible = "mstar,msg2638"; + reg = <0x26>; + interrupt-parent = <&msmgpio>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&msmgpio 100 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&ts_int_reset_default>; + vdd-supply = <&pm8916_l17>; + vddio-supply = <&pm8916_l5>; + touchscreen-size-x = <2048>; + touchscreen-size-y = <2048>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/interrupt-controller/idt,32434-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/idt,32434-pic.yaml index df5d8d1ead70..160ff4b07cac 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/idt,32434-pic.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/idt,32434-pic.yaml @@ -22,6 +22,9 @@ properties: reg: maxItems: 1 + interrupts: + maxItems: 1 + interrupt-controller: true required: @@ -29,6 +32,7 @@ required: - compatible - reg - interrupt-controller + - interrupts additionalProperties: false diff --git a/Documentation/devicetree/bindings/media/renesas,vin.yaml b/Documentation/devicetree/bindings/media/renesas,vin.yaml index fe7c4cbfe4ba..dd1a5ce5896c 100644 --- a/Documentation/devicetree/bindings/media/renesas,vin.yaml +++ b/Documentation/devicetree/bindings/media/renesas,vin.yaml @@ -193,23 +193,35 @@ required: - interrupts - clocks - power-domains - - resets - -if: - properties: - compatible: - contains: - enum: - - renesas,vin-r8a7778 - - renesas,vin-r8a7779 - - renesas,rcar-gen2-vin -then: - required: - - port -else: - required: - - renesas,id - - ports + +allOf: + - if: + not: + properties: + compatible: + contains: + enum: + - renesas,vin-r8a7778 + - renesas,vin-r8a7779 + then: + required: + - resets + + - if: + properties: + compatible: + contains: + enum: + - renesas,vin-r8a7778 + - renesas,vin-r8a7779 + - renesas,rcar-gen2-vin + then: + required: + - port + else: + required: + - renesas,id + - ports additionalProperties: false diff --git a/Documentation/devicetree/bindings/mtd/tango-nand.txt b/Documentation/devicetree/bindings/mtd/tango-nand.txt deleted file mode 100644 index 91c8420241af..000000000000 --- a/Documentation/devicetree/bindings/mtd/tango-nand.txt +++ /dev/null @@ -1,38 +0,0 @@ -Sigma Designs Tango4 NAND Flash Controller (NFC) - -Required properties: - -- compatible: "sigma,smp8758-nand" -- reg: address/size of nfc_reg, nfc_mem, and pbus_reg -- dmas: reference to the DMA channel used by the controller -- dma-names: "rxtx" -- clocks: reference to the system clock -- #address-cells: <1> -- #size-cells: <0> - -Children nodes represent the available NAND chips. -See Documentation/devicetree/bindings/mtd/nand-controller.yaml for generic bindings. - -Example: - - nandc: nand-controller@2c000 { - compatible = "sigma,smp8758-nand"; - reg = <0x2c000 0x30>, <0x2d000 0x800>, <0x20000 0x1000>; - dmas = <&dma0 3>; - dma-names = "rxtx"; - clocks = <&clkgen SYS_CLK>; - #address-cells = <1>; - #size-cells = <0>; - - nand@0 { - reg = <0>; /* CS0 */ - nand-ecc-strength = <14>; - nand-ecc-step-size = <1024>; - }; - - nand@1 { - reg = <1>; /* CS1 */ - nand-ecc-strength = <14>; - nand-ecc-step-size = <1024>; - }; - }; diff --git a/Documentation/devicetree/bindings/net/renesas,etheravb.yaml b/Documentation/devicetree/bindings/net/renesas,etheravb.yaml index fe72a5598add..005868f703a6 100644 --- a/Documentation/devicetree/bindings/net/renesas,etheravb.yaml +++ b/Documentation/devicetree/bindings/net/renesas,etheravb.yaml @@ -51,12 +51,12 @@ properties: clocks: minItems: 1 - maxItems: 2 items: - description: AVB functional clock - description: Optional TXC reference clock clock-names: + minItems: 1 items: - const: fck - const: refclk diff --git a/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml b/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml index 4a2bcc0158e2..8fdfbc763d70 100644 --- a/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/rcar-pci-host.yaml @@ -17,6 +17,7 @@ allOf: properties: compatible: oneOf: + - const: renesas,pcie-r8a7779 # R-Car H1 - items: - enum: - renesas,pcie-r8a7742 # RZ/G1H @@ -74,7 +75,16 @@ required: - clocks - clock-names - power-domains - - resets + +if: + not: + properties: + compatible: + contains: + const: renesas,pcie-r8a7779 +then: + required: + - resets unevaluatedProperties: false diff --git a/Documentation/devicetree/bindings/pci/tango-pcie.txt b/Documentation/devicetree/bindings/pci/tango-pcie.txt deleted file mode 100644 index 244683836a79..000000000000 --- a/Documentation/devicetree/bindings/pci/tango-pcie.txt +++ /dev/null @@ -1,29 +0,0 @@ -Sigma Designs Tango PCIe controller - -Required properties: - -- compatible: "sigma,smp8759-pcie" -- reg: address/size of PCI configuration space, address/size of register area -- bus-range: defined by size of PCI configuration space -- device_type: "pci" -- #size-cells: <2> -- #address-cells: <3> -- msi-controller -- ranges: translation from system to bus addresses -- interrupts: spec for misc interrupts, spec for MSI - -Example: - - pcie@2e000 { - compatible = "sigma,smp8759-pcie"; - reg = <0x50000000 0x400000>, <0x2e000 0x100>; - bus-range = <0 3>; - device_type = "pci"; - #size-cells = <2>; - #address-cells = <3>; - msi-controller; - ranges = <0x02000000 0x0 0x00400000 0x50400000 0x0 0x3c00000>; - interrupts = - <54 IRQ_TYPE_LEVEL_HIGH>, /* misc interrupts */ - <55 IRQ_TYPE_LEVEL_HIGH>; /* MSI */ - }; diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml index f0506a917793..41f57c448621 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -100,11 +100,6 @@ properties: - mediatek,mt7623-btif - const: mediatek,mtk-btif - items: - - enum: - - mediatek,mt7622-btif - - mediatek,mt7623-btif - - const: mediatek,mtk-btif - - items: - const: mrvl,mmp-uart - const: intel,xscale-uart - items: diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 99a72a480d32..b868cefc7c55 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -495,6 +495,8 @@ patternProperties: description: Shenzhen Hugsun Technology Co. Ltd. "^hwacom,.*": description: HwaCom Systems Inc. + "^hycon,.*": + description: Hycon Technology Corp. "^hydis,.*": description: Hydis Technologies "^hyundai,.*": diff --git a/Documentation/driver-api/vfio.rst b/Documentation/driver-api/vfio.rst index decc68cb8114..606eed8823ce 100644 --- a/Documentation/driver-api/vfio.rst +++ b/Documentation/driver-api/vfio.rst @@ -2,7 +2,7 @@ VFIO - "Virtual Function I/O" [1]_ ================================== -Many modern system now provide DMA and interrupt remapping facilities +Many modern systems now provide DMA and interrupt remapping facilities to help ensure I/O devices behave within the boundaries they've been allotted. This includes x86 hardware with AMD-Vi and Intel VT-d, POWER systems with Partitionable Endpoints (PEs) and embedded PowerPC diff --git a/Documentation/firmware-guide/acpi/gpio-properties.rst b/Documentation/firmware-guide/acpi/gpio-properties.rst index 4e264c16ddff..df4b711053ee 100644 --- a/Documentation/firmware-guide/acpi/gpio-properties.rst +++ b/Documentation/firmware-guide/acpi/gpio-properties.rst @@ -99,6 +99,12 @@ native:: } } +Note, that historically ACPI has no means of the GPIO polarity and thus +the SPISerialBus() resource defines it on the per-chip basis. In order +to avoid a chain of negations, the GPIO polarity is considered being +Active High. Even for the cases when _DSD() is involved (see the example +above) the GPIO CS polarity must be defined Active High to avoid ambiguity. + Other supported properties ========================== diff --git a/Documentation/input/devices/rotary-encoder.rst b/Documentation/input/devices/rotary-encoder.rst index 810ae02bdaa0..5865748c13b9 100644 --- a/Documentation/input/devices/rotary-encoder.rst +++ b/Documentation/input/devices/rotary-encoder.rst @@ -107,13 +107,17 @@ example below: }, }; - static const struct property_entry rotary_encoder_properties[] __initconst = { + static const struct property_entry rotary_encoder_properties[] = { PROPERTY_ENTRY_U32("rotary-encoder,steps-per-period", 24), PROPERTY_ENTRY_U32("linux,axis", ABS_X), PROPERTY_ENTRY_U32("rotary-encoder,relative_axis", 0), { }, }; + static const struct software_node rotary_encoder_node = { + .properties = rotary_encoder_properties, + }; + static struct platform_device rotary_encoder_device = { .name = "rotary-encoder", .id = 0, @@ -122,7 +126,7 @@ example below: ... gpiod_add_lookup_table(&rotary_encoder_gpios); - device_add_properties(&rotary_encoder_device, rotary_encoder_properties); + device_add_software_node(&rotary_encoder_device.dev, &rotary_encoder_node); platform_device_register(&rotary_encoder_device); ... diff --git a/MAINTAINERS b/MAINTAINERS index 65d200e6e68b..bd7aff0c120f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -624,6 +624,7 @@ F: fs/affs/ AFS FILESYSTEM M: David Howells <[email protected]> +M: Marc Dionne <[email protected]> S: Supported W: https://www.infradead.org/~dhowells/kafs/ @@ -3207,6 +3208,22 @@ F: Documentation/filesystems/bfs.rst F: fs/bfs/ F: include/uapi/linux/bfs_fs.h +BITMAP API +M: Yury Norov <[email protected]> +R: Andy Shevchenko <[email protected]> +R: Rasmus Villemoes <[email protected]> +S: Maintained +F: include/asm-generic/bitops/find.h +F: include/linux/bitmap.h +F: lib/bitmap.c +F: lib/find_bit.c +F: lib/find_bit_benchmark.c +F: lib/test_bitmap.c +F: tools/include/asm-generic/bitops/find.h +F: tools/include/linux/bitmap.h +F: tools/lib/bitmap.c +F: tools/lib/find_bit.c + BLINKM RGB LED DRIVER M: Jan-Simon Moeller <[email protected]> S: Maintained @@ -8388,6 +8405,13 @@ S: Maintained F: mm/hwpoison-inject.c F: mm/memory-failure.c +HYCON HY46XX TOUCHSCREEN SUPPORT +M: Giulio Benetti <[email protected]> +S: Maintained +F: Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml +F: drivers/input/touchscreen/hycon-hy46xx.c + HYGON PROCESSOR SUPPORT M: Pu Wen <[email protected]> @@ -9529,6 +9553,7 @@ F: fs/io-wq.h F: fs/io_uring.c F: include/linux/io_uring.h F: include/uapi/linux/io_uring.h +F: tools/io_uring/ IPMI SUBSYSTEM M: Corey Minyard <[email protected]> @@ -14075,13 +14100,6 @@ F: Documentation/devicetree/bindings/pci/ti-pci.txt F: drivers/pci/controller/cadence/pci-j721e.c F: drivers/pci/controller/dwc/pci-dra7xx.c -PCI DRIVER FOR TI KEYSTONE -M: Murali Karicheri <[email protected]> -L: [email protected] (moderated for non-subscribers) -S: Maintained -F: drivers/pci/controller/dwc/pci-keystone.c - PCI DRIVER FOR V3 SEMICONDUCTOR V360EPC M: Linus Walleij <[email protected]> @@ -15867,6 +15885,7 @@ F: drivers/infiniband/ulp/rtrs/ RXRPC SOCKETS (AF_RXRPC) M: David Howells <[email protected]> +M: Marc Dionne <[email protected]> S: Supported W: https://www.infradead.org/~dhowells/kafs/ @@ -18283,13 +18302,6 @@ S: Maintained F: sound/soc/codecs/isabelle* F: sound/soc/codecs/lm49453* -TI NETCP ETHERNET DRIVER -M: Wingman Kwok <[email protected]> -M: Murali Karicheri <[email protected]> -S: Maintained -F: drivers/net/ethernet/ti/netcp* - TI PCM3060 ASoC CODEC DRIVER M: Kirill Marinushkin <[email protected]> L: [email protected] (moderated for non-subscribers) @@ -399,11 +399,6 @@ ifeq ($(ARCH),sparc64) SRCARCH := sparc endif -# Additional ARCH settings for sh -ifeq ($(ARCH),sh64) - SRCARCH := sh -endif - export cross_compiling := ifneq ($(SRCARCH),$(SUBARCH)) cross_compiling := 1 @@ -792,16 +787,16 @@ KBUILD_CFLAGS += -Wno-gnu KBUILD_CFLAGS += -mno-global-merge else -# These warnings generated too much noise in a regular build. -# Use make W=1 to enable them (see scripts/Makefile.extrawarn) -KBUILD_CFLAGS += -Wno-unused-but-set-variable - # Warn about unmarked fall-throughs in switch statement. # Disabled for clang while comment to attribute conversion happens and # https://github.com/ClangBuiltLinux/linux/issues/636 is discussed. KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,) endif +# These warnings generated too much noise in a regular build. +# Use make W=1 to enable them (see scripts/Makefile.extrawarn) +KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) + KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls @@ -1225,7 +1220,7 @@ PHONY += prepare archprepare archprepare: outputmakefile archheaders archscripts scripts include/config/kernel.release \ asm-generic $(version_h) $(autoksyms_h) include/generated/utsrelease.h \ - include/generated/autoconf.h + include/generated/autoconf.h remove-stale-files prepare0: archprepare $(Q)$(MAKE) $(build)=scripts/mod @@ -1234,6 +1229,10 @@ prepare0: archprepare # All the preparing.. prepare: prepare0 prepare-objtool prepare-resolve_btfids +PHONY += remove-stale-files +remove-stale-files: + $(Q)$(srctree)/scripts/remove-stale-files + # Support for using generic headers in asm-generic asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj @@ -1512,9 +1511,6 @@ MRPROPER_FILES += include/config include/generated \ vmlinux-gdb.py \ *.spec -# Directories & files removed with 'make distclean' -DISTCLEAN_FILES += tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS - # clean - Delete most, but leave enough to build external modules # clean: rm-files := $(CLEAN_FILES) @@ -1541,16 +1537,14 @@ mrproper: clean $(mrproper-dirs) # distclean # -distclean: rm-files := $(wildcard $(DISTCLEAN_FILES)) - PHONY += distclean distclean: mrproper - $(call cmd,rmfiles) - @find $(srctree) $(RCS_FIND_IGNORE) \ + @find . $(RCS_FIND_IGNORE) \ \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ -o -name '*.bak' -o -name '#*#' -o -name '*%' \ - -o -name 'core' \) \ + -o -name 'core' -o -name tags -o -name TAGS -o -name 'cscope*' \ + -o -name GPATH -o -name GRTAGS -o -name GSYMS -o -name GTAGS \) \ -type f -print | xargs rm -f @@ -1717,17 +1711,7 @@ else # KBUILD_EXTMOD # When building external modules the kernel used as basis is considered # read-only, and no consistency checks are made and the make # system is not used on the basis kernel. If updates are required -# in the basis kernel ordinary make commands (without M=...) must -# be used. -# -# The following are the only valid targets when building external -# modules. -# make M=dir clean Delete all automatically generated files -# make M=dir modules Make all modules in specified dir -# make M=dir Same as 'make M=dir modules' -# make M=dir modules_install -# Install the modules built in the module directory -# Assumes install directory is already created +# in the basis kernel ordinary make commands (without M=...) must be used. # We are always building only modules. KBUILD_BUILTIN := diff --git a/arch/.gitignore b/arch/.gitignore index 4191da401dbb..756c19c34f99 100644 --- a/arch/.gitignore +++ b/arch/.gitignore @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -i386 -x86_64 +/i386/ +/x86_64/ diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index 1f6a909d1fa5..0fab5ac90775 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -602,11 +602,6 @@ extern void outsl (unsigned long port, const void *src, unsigned long count); */ #define xlate_dev_mem_ptr(p) __va(p) -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - #endif /* __KERNEL__ */ #endif /* __ALPHA_IO_H */ diff --git a/arch/alpha/kernel/pc873xx.c b/arch/alpha/kernel/pc873xx.c index 63aee5d86e02..82b19c9e59d6 100644 --- a/arch/alpha/kernel/pc873xx.c +++ b/arch/alpha/kernel/pc873xx.c @@ -13,12 +13,12 @@ static char *pc873xx_names[] = { static unsigned int base, model; -unsigned int __init pc873xx_get_base() +unsigned int __init pc873xx_get_base(void) { return base; } -char *__init pc873xx_get_model() +char *__init pc873xx_get_model(void) { return pc873xx_names[model]; } diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c index dc68efbe9367..1931a04af85a 100644 --- a/arch/alpha/lib/csum_partial_copy.c +++ b/arch/alpha/lib/csum_partial_copy.c @@ -13,6 +13,7 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/uaccess.h> +#include <net/checksum.h> #define ldq_u(x,y) \ diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index fd94e27ba4fa..8eb70c1febce 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -96,13 +96,6 @@ endif $(foreach o, $(libfdt_objs) atags_to_fdt.o fdt_check_mem_start.o, \ $(eval CFLAGS_$(o) := -I $(srctree)/scripts/dtc/libfdt -fno-stack-protector)) -# These were previously generated C files. When you are building the kernel -# with O=, make sure to remove the stale files in the output tree. Otherwise, -# the build system wrongly compiles the stale ones. -ifdef building_out_of_srctree -$(shell rm -f $(addprefix $(obj)/, fdt_rw.c fdt_ro.c fdt_wip.c fdt.c)) -endif - targets := vmlinux vmlinux.lds piggy_data piggy.o \ lib1funcs.o ashldi3.o bswapsdi2.o \ head.o $(OBJS) @@ -118,8 +111,8 @@ asflags-y := -DZIMAGE # Supply kernel BSS size to the decompressor via a linker symbol. KBSS_SZ = $(shell echo $$(($$($(NM) $(obj)/../../../../vmlinux | \ - sed -n -e 's/^\([^ ]*\) [AB] __bss_start$$/-0x\1/p' \ - -e 's/^\([^ ]*\) [AB] __bss_stop$$/+0x\1/p') )) ) + sed -n -e 's/^\([^ ]*\) [ABD] __bss_start$$/-0x\1/p' \ + -e 's/^\([^ ]*\) [ABD] __bss_stop$$/+0x\1/p') )) ) LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ) # Supply ZRELADDR to the decompressor via a linker symbol. ifneq ($(CONFIG_AUTO_ZRELADDR),y) diff --git a/arch/arm/configs/dove_defconfig b/arch/arm/configs/dove_defconfig index e70c997d5f4c..b935162a8bba 100644 --- a/arch/arm/configs/dove_defconfig +++ b/arch/arm/configs/dove_defconfig @@ -63,7 +63,6 @@ CONFIG_INPUT_EVDEV=y # CONFIG_MOUSE_PS2 is not set # CONFIG_SERIO is not set CONFIG_LEGACY_PTY_COUNT=16 -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_RUNTIME_UARTS=2 diff --git a/arch/arm/configs/footbridge_defconfig b/arch/arm/configs/footbridge_defconfig index 3a7938f244e5..2aa3ebeb89d7 100644 --- a/arch/arm/configs/footbridge_defconfig +++ b/arch/arm/configs/footbridge_defconfig @@ -7,7 +7,6 @@ CONFIG_EXPERT=y CONFIG_MODULES=y CONFIG_ARCH_FOOTBRIDGE=y CONFIG_ARCH_CATS=y -CONFIG_ARCH_PERSONAL_SERVER=y CONFIG_ARCH_EBSA285_HOST=y CONFIG_ARCH_NETWINDER=y CONFIG_LEDS=y diff --git a/arch/arm/configs/magician_defconfig b/arch/arm/configs/magician_defconfig index b4670d42f378..abde1fb23b20 100644 --- a/arch/arm/configs/magician_defconfig +++ b/arch/arm/configs/magician_defconfig @@ -72,7 +72,6 @@ CONFIG_INPUT_TOUCHSCREEN=y CONFIG_INPUT_MISC=y CONFIG_INPUT_UINPUT=m # CONFIG_SERIO is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_PXA=y # CONFIG_LEGACY_PTYS is not set # CONFIG_HW_RANDOM is not set diff --git a/arch/arm/configs/moxart_defconfig b/arch/arm/configs/moxart_defconfig index 6834e97af348..eacc089d86c5 100644 --- a/arch/arm/configs/moxart_defconfig +++ b/arch/arm/configs/moxart_defconfig @@ -79,7 +79,6 @@ CONFIG_INPUT_EVBUG=y # CONFIG_SERIO is not set # CONFIG_VT is not set # CONFIG_LEGACY_PTYS is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=1 diff --git a/arch/arm/configs/mps2_defconfig b/arch/arm/configs/mps2_defconfig index 1d923dbb9928..89f4a6ff30bd 100644 --- a/arch/arm/configs/mps2_defconfig +++ b/arch/arm/configs/mps2_defconfig @@ -69,7 +69,6 @@ CONFIG_SMSC911X=y # CONFIG_VT is not set # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_NONSTANDARD=y -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_MPS2_UART_CONSOLE=y CONFIG_SERIAL_MPS2_UART=y # CONFIG_HW_RANDOM is not set diff --git a/arch/arm/configs/mvebu_v5_defconfig b/arch/arm/configs/mvebu_v5_defconfig index 4f16716bfc32..d57ff30dabff 100644 --- a/arch/arm/configs/mvebu_v5_defconfig +++ b/arch/arm/configs/mvebu_v5_defconfig @@ -100,7 +100,6 @@ CONFIG_INPUT_EVDEV=y CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set CONFIG_LEGACY_PTY_COUNT=16 -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_RUNTIME_UARTS=2 diff --git a/arch/arm/configs/xcep_defconfig b/arch/arm/configs/xcep_defconfig index f1fbdfc5c8c6..4d8e7f2eaef7 100644 --- a/arch/arm/configs/xcep_defconfig +++ b/arch/arm/configs/xcep_defconfig @@ -53,7 +53,6 @@ CONFIG_NET_ETHERNET=y # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_PXA=y CONFIG_SERIAL_PXA_CONSOLE=y # CONFIG_LEGACY_PTYS is not set diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h index 673c7dd75ab9..ba8d9d7d242b 100644 --- a/arch/arm/include/asm/bug.h +++ b/arch/arm/include/asm/bug.h @@ -88,5 +88,6 @@ extern asmlinkage void c_backtrace(unsigned long fp, int pmode, struct mm_struct; void show_pte(const char *lvl, struct mm_struct *mm, unsigned long addr); extern void __show_regs(struct pt_regs *); +extern void __show_regs_alloc_free(struct pt_regs *regs); #endif diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index fc748122f1e0..f74944c6fe8d 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -430,11 +430,6 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr); */ #define xlate_dev_mem_ptr(p) __va(p) -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - #include <asm-generic/io.h> #ifdef CONFIG_MMU diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h index 22751b5b5735..e62832dcba76 100644 --- a/arch/arm/include/asm/kexec.h +++ b/arch/arm/include/asm/kexec.h @@ -56,9 +56,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs, } } -/* Function pointer to optional machine-specific reinitialization */ -extern void (*kexec_reinit)(void); - static inline unsigned long phys_to_boot_phys(phys_addr_t phys) { return phys_to_idmap(phys); diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 2f841cb65c30..a711322d9f40 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -150,21 +150,6 @@ extern unsigned long vectors_base; */ #define PLAT_PHYS_OFFSET UL(CONFIG_PHYS_OFFSET) -#ifdef CONFIG_XIP_KERNEL -/* - * When referencing data in RAM from the XIP region in a relative manner - * with the MMU off, we need the relative offset between the two physical - * addresses. The macro below achieves this, which is: - * __pa(v_data) - __xip_pa(v_text) - */ -#define PHYS_RELATIVE(v_data, v_text) \ - (((v_data) - PAGE_OFFSET + PLAT_PHYS_OFFSET) - \ - ((v_text) - XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) + \ - CONFIG_XIP_PHYS_ADDR)) -#else -#define PHYS_RELATIVE(v_data, v_text) ((v_data) - (v_text)) -#endif - #ifndef __ASSEMBLY__ /* diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h index a1ceff4295d3..ec17fc0fda7a 100644 --- a/arch/arm/include/asm/set_memory.h +++ b/arch/arm/include/asm/set_memory.h @@ -18,12 +18,4 @@ static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } #endif -#ifdef CONFIG_STRICT_KERNEL_RWX -void set_kernel_text_rw(void); -void set_kernel_text_ro(void); -#else -static inline void set_kernel_text_rw(void) { } -static inline void set_kernel_text_ro(void) { } -#endif - #endif diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild index ce8573157774..63748af8bc9d 100644 --- a/arch/arm/include/uapi/asm/Kbuild +++ b/arch/arm/include/uapi/asm/Kbuild @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -generated-y += unistd-common.h generated-y += unistd-oabi.h generated-y += unistd-eabi.h generic-y += kvm_para.h diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index 93ecf8aa4fe5..ae7749e15726 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -24,7 +24,6 @@ #include <asm/unistd-oabi.h> #endif -#include <asm/unistd-common.h> #define __NR_sync_file_range2 __NR_arm_sync_file_range /* diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index be8050b0c3df..70993af22d80 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -24,6 +24,7 @@ #include <asm/vdso_datapage.h> #include <asm/hardware/cache-l2x0.h> #include <linux/kbuild.h> +#include <linux/arm-smccc.h> #include "signal.h" /* @@ -148,6 +149,8 @@ int main(void) DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys)); DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash)); #endif + DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id)); + DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state)); BLANK(); DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index e0d7833a1827..7f0b7aba1498 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -344,20 +344,19 @@ ENTRY(\sym) .size \sym, . - \sym .endm -#define NATIVE(nr, func) syscall nr, func +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) +#define __SYSCALL(nr, func) syscall nr, func /* * This is the syscall table declaration for native ABI syscalls. * With EABI a couple syscalls are obsolete and defined as sys_ni_syscall. */ syscall_table_start sys_call_table -#define COMPAT(nr, native, compat) syscall nr, native #ifdef CONFIG_AEABI #include <calls-eabi.S> #else #include <calls-oabi.S> #endif -#undef COMPAT syscall_table_end sys_call_table /*============================================================================ @@ -455,7 +454,8 @@ ENDPROC(sys_oabi_readahead) * using the compatibility syscall entries. */ syscall_table_start sys_oabi_call_table -#define COMPAT(nr, native, compat) syscall nr, compat +#undef __SYSCALL_WITH_COMPAT +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat) #include <calls-oabi.S> syscall_table_end sys_oabi_call_table diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 08660ae9dcbc..b1423fb130ea 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -886,7 +886,7 @@ static void breakpoint_handler(unsigned long unknown, struct pt_regs *regs) info->trigger = addr; pr_debug("breakpoint fired: address = 0x%x\n", addr); perf_bp_event(bp, regs); - if (!bp->overflow_handler) + if (is_default_overflow_handler(bp)) enable_single_step(bp, addr); goto unlock; } diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 2b09dad7935e..f567032a09c0 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -147,11 +147,6 @@ void machine_crash_shutdown(struct pt_regs *regs) pr_info("Loading crashdump kernel...\n"); } -/* - * Function pointer to optional machine-specific reinitialization - */ -void (*kexec_reinit)(void); - void machine_kexec(struct kimage *image) { unsigned long page_list, reboot_entry_phys; @@ -187,9 +182,6 @@ void machine_kexec(struct kimage *image) pr_info("Bye!\n"); - if (kexec_reinit) - kexec_reinit(); - soft_restart(reboot_entry_phys); } diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 5199a2bb4111..6324f4db9b02 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -92,6 +92,17 @@ void arch_cpu_idle_exit(void) ledtrig_cpu(CPU_LED_IDLE_END); } +void __show_regs_alloc_free(struct pt_regs *regs) +{ + int i; + + /* check for r0 - r12 only */ + for (i = 0; i < 13; i++) { + pr_alert("Register r%d information:", i); + mem_dump_obj((void *)regs->uregs[i]); + } +} + void __show_regs(struct pt_regs *regs) { unsigned long flags; diff --git a/arch/arm/kernel/smccc-call.S b/arch/arm/kernel/smccc-call.S index 00664c78faca..931df62a7831 100644 --- a/arch/arm/kernel/smccc-call.S +++ b/arch/arm/kernel/smccc-call.S @@ -3,7 +3,9 @@ * Copyright (c) 2015, Linaro Limited */ #include <linux/linkage.h> +#include <linux/arm-smccc.h> +#include <asm/asm-offsets.h> #include <asm/opcodes-sec.h> #include <asm/opcodes-virt.h> #include <asm/unwind.h> @@ -27,7 +29,14 @@ UNWIND( .fnstart) UNWIND( .save {r4-r7}) ldm r12, {r4-r7} \instr - pop {r4-r7} + ldr r4, [sp, #36] + cmp r4, #0 + beq 1f // No quirk structure + ldr r5, [r4, #ARM_SMCCC_QUIRK_ID_OFFS] + cmp r5, #ARM_SMCCC_QUIRK_QCOM_A6 + bne 1f // No quirk present + str r6, [r4, #ARM_SMCCC_QUIRK_STATE_OFFS] +1: pop {r4-r7} ldr r12, [sp, #(4 * 4)] stm r12, {r0-r3} bx lr diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c index 24bd20564be7..43f0a3ebf390 100644 --- a/arch/arm/kernel/suspend.c +++ b/arch/arm/kernel/suspend.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/ftrace.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/mm_types.h> @@ -26,12 +27,22 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) return -EINVAL; /* + * Function graph tracer state gets incosistent when the kernel + * calls functions that never return (aka suspend finishers) hence + * disable graph tracing during their execution. + */ + pause_graph_tracing(); + + /* * Provide a temporary page table with an identity mapping for * the MMU-enable code, required for resuming. On successful * resume (indicated by a zero return code), we need to switch * back to the correct page tables. */ ret = __cpu_suspend(arg, fn, __mpidr); + + unpause_graph_tracing(); + if (ret == 0) { cpu_switch_mm(mm->pgd, mm); local_flush_bp_all(); @@ -45,7 +56,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) { u32 __mpidr = cpu_logical_map(smp_processor_id()); - return __cpu_suspend(arg, fn, __mpidr); + int ret; + + pause_graph_tracing(); + ret = __cpu_suspend(arg, fn, __mpidr); + unpause_graph_tracing(); + + return ret; } #define idmap_pgd NULL #endif diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 17d5a785df28..64308e3a5d0c 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -287,6 +287,7 @@ static int __die(const char *str, int err, struct pt_regs *regs) print_modules(); __show_regs(regs); + __show_regs_alloc_free(regs); pr_emerg("Process %.*s (pid: %d, stack limit = 0x%p)\n", TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk)); diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig index 844aa585b966..728aff93fba9 100644 --- a/arch/arm/mach-footbridge/Kconfig +++ b/arch/arm/mach-footbridge/Kconfig @@ -16,27 +16,6 @@ config ARCH_CATS Saying N will reduce the size of the Footbridge kernel. -config ARCH_PERSONAL_SERVER - bool "Compaq Personal Server" - select FOOTBRIDGE_HOST - select ISA - select ISA_DMA - select FORCE_PCI - help - Say Y here if you intend to run this kernel on the Compaq - Personal Server. - - Saying N will reduce the size of the Footbridge kernel. - - The Compaq Personal Server is not available for purchase. - There are no product plans beyond the current research - prototypes at this time. Information is available at: - - <http://www.crl.hpl.hp.com/projects/personalserver/> - - If you have any questions or comments about the Compaq Personal - Server, send e-mail to <[email protected]>. - config ARCH_EBSA285_ADDIN bool "EBSA285 (addin mode)" select ARCH_EBSA285 diff --git a/arch/arm/mach-footbridge/Makefile b/arch/arm/mach-footbridge/Makefile index a09f1041f141..6262993c0555 100644 --- a/arch/arm/mach-footbridge/Makefile +++ b/arch/arm/mach-footbridge/Makefile @@ -11,12 +11,10 @@ pci-y += dc21285.o pci-$(CONFIG_ARCH_CATS) += cats-pci.o pci-$(CONFIG_ARCH_EBSA285_HOST) += ebsa285-pci.o pci-$(CONFIG_ARCH_NETWINDER) += netwinder-pci.o -pci-$(CONFIG_ARCH_PERSONAL_SERVER) += personal-pci.o obj-$(CONFIG_ARCH_CATS) += cats-hw.o isa-timer.o obj-$(CONFIG_ARCH_EBSA285) += ebsa285.o dc21285-timer.o obj-$(CONFIG_ARCH_NETWINDER) += netwinder-hw.o isa-timer.o -obj-$(CONFIG_ARCH_PERSONAL_SERVER) += personal.o dc21285-timer.o obj-$(CONFIG_PCI) +=$(pci-y) diff --git a/arch/arm/mach-footbridge/personal-pci.c b/arch/arm/mach-footbridge/personal-pci.c deleted file mode 100644 index 9d19aa98a663..000000000000 --- a/arch/arm/mach-footbridge/personal-pci.c +++ /dev/null @@ -1,57 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/arm/mach-footbridge/personal-pci.c - * - * PCI bios-type initialisation for PCI machines - * - * Bits taken from various places. - */ -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/init.h> - -#include <asm/irq.h> -#include <asm/mach/pci.h> -#include <asm/mach-types.h> - -static int irqmap_personal_server[] = { - IRQ_IN0, IRQ_IN1, IRQ_IN2, IRQ_IN3, 0, 0, 0, - IRQ_DOORBELLHOST, IRQ_DMA1, IRQ_DMA2, IRQ_PCI -}; - -static int personal_server_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - unsigned char line; - - pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &line); - - if (line > 0x40 && line <= 0x5f) { - /* line corresponds to the bit controlling this interrupt - * in the footbridge. Ignore the first 8 interrupt bits, - * look up the rest in the map. IN0 is bit number 8 - */ - return irqmap_personal_server[(line & 0x1f) - 8]; - } else if (line == 0) { - /* no interrupt */ - return 0; - } else - return irqmap_personal_server[(line - 1) & 3]; -} - -static struct hw_pci personal_server_pci __initdata = { - .map_irq = personal_server_map_irq, - .nr_controllers = 1, - .ops = &dc21285_ops, - .setup = dc21285_setup, - .preinit = dc21285_preinit, - .postinit = dc21285_postinit, -}; - -static int __init personal_pci_init(void) -{ - if (machine_is_personal_server()) - pci_common_init(&personal_server_pci); - return 0; -} - -subsys_initcall(personal_pci_init); diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c deleted file mode 100644 index ca715754fc00..000000000000 --- a/arch/arm/mach-footbridge/personal.c +++ /dev/null @@ -1,25 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/arm/mach-footbridge/personal.c - * - * Personal server (Skiff) machine fixup - */ -#include <linux/init.h> -#include <linux/spinlock.h> - -#include <asm/hardware/dec21285.h> -#include <asm/mach-types.h> - -#include <asm/mach/arch.h> - -#include "common.h" - -MACHINE_START(PERSONAL_SERVER, "Compaq-PersonalServer") - /* Maintainer: Jamey Hicks / George France */ - .atag_offset = 0x100, - .map_io = footbridge_map_io, - .init_irq = footbridge_init_irq, - .init_time = footbridge_timer_init, - .restart = footbridge_restart, -MACHINE_END - diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index dc8f152f3556..830bbfb26ca5 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -33,41 +33,41 @@ icache_size: * processor. We fix this by performing an invalidate, rather than a * clean + invalidate, before jumping into the kernel. * - * This function is cloned from arch/arm/mach-tegra/headsmp.S, and needs - * to be called for both secondary cores startup and primary core resume - * procedures. + * This function needs to be called for both secondary cores startup and + * primary core resume procedures. */ ENTRY(v7_invalidate_l1) - mov r0, #0 - mcr p15, 2, r0, c0, c0, 0 - mrc p15, 1, r0, c0, c0, 0 - - movw r1, #0x7fff - and r2, r1, r0, lsr #13 + mov r0, #0 + mcr p15, 2, r0, c0, c0, 0 @ select L1 data cache in CSSELR + isb + mrc p15, 1, r0, c0, c0, 0 @ read cache geometry from CCSIDR - movw r1, #0x3ff + movw r3, #0x3ff + and r3, r3, r0, lsr #3 @ 'Associativity' in CCSIDR[12:3] + clz r1, r3 @ WayShift + mov r2, #1 + mov r3, r3, lsl r1 @ NumWays-1 shifted into bits [31:...] + movs r1, r2, lsl r1 @ #1 shifted left by same amount + moveq r1, #1 @ r1 needs value > 0 even if only 1 way - and r3, r1, r0, lsr #3 @ NumWays - 1 - add r2, r2, #1 @ NumSets + and r2, r0, #0x7 + add r2, r2, #4 @ SetShift - and r0, r0, #0x7 - add r0, r0, #4 @ SetShift +1: movw ip, #0x7fff + and r0, ip, r0, lsr #13 @ 'NumSets' in CCSIDR[27:13] - clz r1, r3 @ WayShift - add r4, r3, #1 @ NumWays -1: sub r2, r2, #1 @ NumSets-- - mov r3, r4 @ Temp = NumWays -2: subs r3, r3, #1 @ Temp-- - mov r5, r3, lsl r1 - mov r6, r2, lsl r0 - orr r5, r5, r6 @ Reg = (Temp<<WayShift)|(NumSets<<SetShift) - mcr p15, 0, r5, c7, c6, 2 - bgt 2b - cmp r2, #0 - bgt 1b - dsb st - isb - ret lr +2: mov ip, r0, lsl r2 @ NumSet << SetShift + orr ip, ip, r3 @ Reg = (Temp<<WayShift)|(NumSets<<SetShift) + mcr p15, 0, ip, c7, c6, 2 + subs r0, r0, #1 @ Set-- + bpl 2b + subs r3, r3, r1 @ Way-- + bcc 3f + mrc p15, 1, r0, c0, c0, 0 @ re-read cache geometry from CCSIDR + b 1b +3: dsb st + isb + ret lr ENDPROC(v7_invalidate_l1) /* diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c index 93ff0097f00b..fb688003d156 100644 --- a/arch/arm/mm/dump.c +++ b/arch/arm/mm/dump.c @@ -420,7 +420,7 @@ void ptdump_walk_pgd(struct seq_file *m, struct ptdump_info *info) note_page(&st, 0, 0, 0, NULL); } -static void ptdump_initialize(void) +static void __init ptdump_initialize(void) { unsigned i, j; @@ -466,7 +466,7 @@ void ptdump_check_wx(void) pr_info("Checked W+X mappings: passed, no W+X pages found\n"); } -static int ptdump_init(void) +static int __init ptdump_init(void) { ptdump_initialize(); ptdump_debugfs_register(&kernel_ptdump_info, "kernel_page_tables"); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 1ba9f9f9dbd8..9d4744a632c6 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -489,33 +489,12 @@ static int __mark_rodata_ro(void *unused) return 0; } -static int kernel_set_to_readonly __read_mostly; - void mark_rodata_ro(void) { - kernel_set_to_readonly = 1; stop_machine(__mark_rodata_ro, NULL, NULL); debug_checkwx(); } -void set_kernel_text_rw(void) -{ - if (!kernel_set_to_readonly) - return; - - set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false, - current->active_mm); -} - -void set_kernel_text_ro(void) -{ - if (!kernel_set_to_readonly) - return; - - set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true, - current->active_mm); -} - #else static inline void fix_kernmem_perms(void) { } #endif /* CONFIG_STRICT_KERNEL_RWX */ diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 28c9d32fa99a..26d726a08a34 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -256,6 +256,20 @@ ENDPROC(cpu_pj4b_do_resume) #endif + @ + @ Invoke the v7_invalidate_l1() function, which adheres to the AAPCS + @ rules, and so it may corrupt registers that we need to preserve. + @ + .macro do_invalidate_l1 + mov r6, r1 + mov r7, r2 + mov r10, lr + bl v7_invalidate_l1 @ corrupts {r0-r3, ip, lr} + mov r1, r6 + mov r2, r7 + mov lr, r10 + .endm + /* * __v7_setup * @@ -277,6 +291,7 @@ __v7_ca5mp_setup: __v7_ca9mp_setup: __v7_cr7mp_setup: __v7_cr8mp_setup: + do_invalidate_l1 mov r10, #(1 << 0) @ Cache/TLB ops broadcasting b 1f __v7_ca7mp_setup: @@ -284,13 +299,9 @@ __v7_ca12mp_setup: __v7_ca15mp_setup: __v7_b15mp_setup: __v7_ca17mp_setup: + do_invalidate_l1 mov r10, #0 -1: adr r0, __v7_setup_stack_ptr - ldr r12, [r0] - add r12, r12, r0 @ the local stack - stmia r12, {r1-r6, lr} @ v7_invalidate_l1 touches r0-r6 - bl v7_invalidate_l1 - ldmia r12, {r1-r6, lr} +1: #ifdef CONFIG_SMP orr r10, r10, #(1 << 6) @ Enable SMP/nAMP mode ALT_SMP(mrc p15, 0, r0, c1, c0, 1) @@ -471,12 +482,7 @@ __v7_pj4b_setup: #endif /* CONFIG_CPU_PJ4B */ __v7_setup: - adr r0, __v7_setup_stack_ptr - ldr r12, [r0] - add r12, r12, r0 @ the local stack - stmia r12, {r1-r6, lr} @ v7_invalidate_l1 touches r0-r6 - bl v7_invalidate_l1 - ldmia r12, {r1-r6, lr} + do_invalidate_l1 __v7_setup_cont: and r0, r9, #0xff000000 @ ARM? @@ -548,17 +554,8 @@ __errata_finish: orr r0, r0, r6 @ set them THUMB( orr r0, r0, #1 << 30 ) @ Thumb exceptions ret lr @ return to head.S:__ret - - .align 2 -__v7_setup_stack_ptr: - .word PHYS_RELATIVE(__v7_setup_stack, .) ENDPROC(__v7_setup) - .bss - .align 2 -__v7_setup_stack: - .space 4 * 7 @ 7 registers - __INITDATA .weak cpu_v7_bugs_init diff --git a/arch/arm/mm/ptdump_debugfs.c b/arch/arm/mm/ptdump_debugfs.c index 598b636615a2..318de969ae0f 100644 --- a/arch/arm/mm/ptdump_debugfs.c +++ b/arch/arm/mm/ptdump_debugfs.c @@ -11,20 +11,9 @@ static int ptdump_show(struct seq_file *m, void *v) ptdump_walk_pgd(m, info); return 0; } +DEFINE_SHOW_ATTRIBUTE(ptdump); -static int ptdump_open(struct inode *inode, struct file *file) -{ - return single_open(file, ptdump_show, inode->i_private); -} - -static const struct file_operations ptdump_fops = { - .open = ptdump_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -void ptdump_debugfs_register(struct ptdump_info *info, const char *name) +void __init ptdump_debugfs_register(struct ptdump_info *info, const char *name) { debugfs_create_file(name, 0400, NULL, info, &ptdump_fops); } diff --git a/arch/arm/probes/kprobes/test-arm.c b/arch/arm/probes/kprobes/test-arm.c index 977369f1aa48..a0dae35ffacd 100644 --- a/arch/arm/probes/kprobes/test-arm.c +++ b/arch/arm/probes/kprobes/test-arm.c @@ -55,25 +55,25 @@ void kprobe_arm_test_cases(void) TEST_GROUP("Data-processing (register), (register-shifted register), (immediate)") #define _DATA_PROCESSING_DNM(op,s,val) \ - TEST_RR( op "eq" s " r0, r",1, VAL1,", r",2, val, "") \ - TEST_RR( op "ne" s " r1, r",1, VAL1,", r",2, val, ", lsl #3") \ - TEST_RR( op "cs" s " r2, r",3, VAL1,", r",2, val, ", lsr #4") \ - TEST_RR( op "cc" s " r3, r",3, VAL1,", r",2, val, ", asr #5") \ - TEST_RR( op "mi" s " r4, r",5, VAL1,", r",2, N(val),", asr #6") \ - TEST_RR( op "pl" s " r5, r",5, VAL1,", r",2, val, ", ror #7") \ - TEST_RR( op "vs" s " r6, r",7, VAL1,", r",2, val, ", rrx") \ - TEST_R( op "vc" s " r6, r",7, VAL1,", pc, lsl #3") \ - TEST_R( op "vc" s " r6, r",7, VAL1,", sp, lsr #4") \ - TEST_R( op "vc" s " r6, pc, r",7, VAL1,", asr #5") \ - TEST_R( op "vc" s " r6, sp, r",7, VAL1,", ror #6") \ - TEST_RRR( op "hi" s " r8, r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\ - TEST_RRR( op "ls" s " r9, r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\ - TEST_RRR( op "ge" s " r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\ - TEST_RRR( op "lt" s " r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\ - TEST_RR( op "gt" s " r12, r13" ", r",14,val, ", ror r",14,7,"")\ - TEST_RR( op "le" s " r14, r",0, val, ", r13" ", lsl r",14,8,"")\ - TEST_R( op "eq" s " r0, r",11,VAL1,", #0xf5") \ - TEST_R( op "ne" s " r11, r",0, VAL1,", #0xf5000000") \ + TEST_RR( op s "eq r0, r",1, VAL1,", r",2, val, "") \ + TEST_RR( op s "ne r1, r",1, VAL1,", r",2, val, ", lsl #3") \ + TEST_RR( op s "cs r2, r",3, VAL1,", r",2, val, ", lsr #4") \ + TEST_RR( op s "cc r3, r",3, VAL1,", r",2, val, ", asr #5") \ + TEST_RR( op s "mi r4, r",5, VAL1,", r",2, N(val),", asr #6") \ + TEST_RR( op s "pl r5, r",5, VAL1,", r",2, val, ", ror #7") \ + TEST_RR( op s "vs r6, r",7, VAL1,", r",2, val, ", rrx") \ + TEST_R( op s "vc r6, r",7, VAL1,", pc, lsl #3") \ + TEST_R( op s "vc r6, r",7, VAL1,", sp, lsr #4") \ + TEST_R( op s "vc r6, pc, r",7, VAL1,", asr #5") \ + TEST_R( op s "vc r6, sp, r",7, VAL1,", ror #6") \ + TEST_RRR( op s "hi r8, r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\ + TEST_RRR( op s "ls r9, r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\ + TEST_RRR( op s "ge r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\ + TEST_RRR( op s "lt r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\ + TEST_RR( op s "gt r12, r13" ", r",14,val, ", ror r",14,7,"")\ + TEST_RR( op s "le r14, r",0, val, ", r13" ", lsl r",14,8,"")\ + TEST_R( op s "eq r0, r",11,VAL1,", #0xf5") \ + TEST_R( op s "ne r11, r",0, VAL1,", #0xf5000000") \ TEST_R( op s " r7, r",8, VAL2,", #0x000af000") \ TEST( op s " r4, pc" ", #0x00005a00") @@ -104,23 +104,23 @@ void kprobe_arm_test_cases(void) TEST_R( op " r",8, VAL2,", #0x000af000") #define _DATA_PROCESSING_DM(op,s,val) \ - TEST_R( op "eq" s " r0, r",1, val, "") \ - TEST_R( op "ne" s " r1, r",1, val, ", lsl #3") \ - TEST_R( op "cs" s " r2, r",3, val, ", lsr #4") \ - TEST_R( op "cc" s " r3, r",3, val, ", asr #5") \ - TEST_R( op "mi" s " r4, r",5, N(val),", asr #6") \ - TEST_R( op "pl" s " r5, r",5, val, ", ror #7") \ - TEST_R( op "vs" s " r6, r",10,val, ", rrx") \ - TEST( op "vs" s " r7, pc, lsl #3") \ - TEST( op "vs" s " r7, sp, lsr #4") \ - TEST_RR( op "vc" s " r8, r",7, val, ", lsl r",0, 3,"") \ - TEST_RR( op "hi" s " r9, r",9, val, ", lsr r",7, 4,"") \ - TEST_RR( op "ls" s " r10, r",9, val, ", asr r",7, 5,"") \ - TEST_RR( op "ge" s " r11, r",11,N(val),", asr r",7, 6,"") \ - TEST_RR( op "lt" s " r12, r",11,val, ", ror r",14,7,"") \ - TEST_R( op "gt" s " r14, r13" ", lsl r",14,8,"") \ - TEST( op "eq" s " r0, #0xf5") \ - TEST( op "ne" s " r11, #0xf5000000") \ + TEST_R( op s "eq r0, r",1, val, "") \ + TEST_R( op s "ne r1, r",1, val, ", lsl #3") \ + TEST_R( op s "cs r2, r",3, val, ", lsr #4") \ + TEST_R( op s "cc r3, r",3, val, ", asr #5") \ + TEST_R( op s "mi r4, r",5, N(val),", asr #6") \ + TEST_R( op s "pl r5, r",5, val, ", ror #7") \ + TEST_R( op s "vs r6, r",10,val, ", rrx") \ + TEST( op s "vs r7, pc, lsl #3") \ + TEST( op s "vs r7, sp, lsr #4") \ + TEST_RR( op s "vc r8, r",7, val, ", lsl r",0, 3,"") \ + TEST_RR( op s "hi r9, r",9, val, ", lsr r",7, 4,"") \ + TEST_RR( op s "ls r10, r",9, val, ", asr r",7, 5,"") \ + TEST_RR( op s "ge r11, r",11,N(val),", asr r",7, 6,"") \ + TEST_RR( op s "lt r12, r",11,val, ", ror r",14,7,"") \ + TEST_R( op s "gt r14, r13" ", lsl r",14,8,"") \ + TEST( op s "eq r0, #0xf5") \ + TEST( op s "ne r11, #0xf5000000") \ TEST( op s " r7, #0x000af000") \ TEST( op s " r4, #0x00005a00") @@ -166,10 +166,10 @@ void kprobe_arm_test_cases(void) /* Data-processing with PC as a target and status registers updated */ TEST_UNSUPPORTED("movs pc, r1") - TEST_UNSUPPORTED("movs pc, r1, lsl r2") + TEST_UNSUPPORTED(__inst_arm(0xe1b0f211) " @movs pc, r1, lsl r2") TEST_UNSUPPORTED("movs pc, #0x10000") TEST_UNSUPPORTED("adds pc, lr, r1") - TEST_UNSUPPORTED("adds pc, lr, r1, lsl r2") + TEST_UNSUPPORTED(__inst_arm(0xe09ef211) " @adds pc, lr, r1, lsl r2") TEST_UNSUPPORTED("adds pc, lr, #4") /* Data-processing with SP as target */ @@ -352,7 +352,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe000029f) " @ mul r0, pc, r2") TEST_UNSUPPORTED(__inst_arm(0xe0000f91) " @ mul r0, r1, pc") TEST_RR( "muls r0, r",1, VAL1,", r",2, VAL2,"") - TEST_RR( "mullss r7, r",8, VAL2,", r",9, VAL2,"") + TEST_RR( "mulsls r7, r",8, VAL2,", r",9, VAL2,"") TEST_R( "muls lr, r",4, VAL3,", r13") TEST_UNSUPPORTED(__inst_arm(0xe01f0291) " @ muls pc, r1, r2") @@ -361,7 +361,7 @@ void kprobe_arm_test_cases(void) TEST_RR( "mla lr, r",1, VAL2,", r",2, VAL3,", r13") TEST_UNSUPPORTED(__inst_arm(0xe02f3291) " @ mla pc, r1, r2, r3") TEST_RRR( "mlas r0, r",1, VAL1,", r",2, VAL2,", r",3, VAL3,"") - TEST_RRR( "mlahis r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"") + TEST_RRR( "mlashi r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"") TEST_RR( "mlas lr, r",1, VAL2,", r",2, VAL3,", r13") TEST_UNSUPPORTED(__inst_arm(0xe03f3291) " @ mlas pc, r1, r2, r3") @@ -394,7 +394,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe081f392) " @ umull pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe08f1392) " @ umull r1, pc, r2, r3") TEST_RR( "umulls r0, r1, r",2, VAL1,", r",3, VAL2,"") - TEST_RR( "umulllss r7, r8, r",9, VAL2,", r",10, VAL1,"") + TEST_RR( "umullsls r7, r8, r",9, VAL2,", r",10, VAL1,"") TEST_R( "umulls lr, r12, r",11,VAL3,", r13") TEST_UNSUPPORTED(__inst_arm(0xe091f392) " @ umulls pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe09f1392) " @ umulls r1, pc, r2, r3") @@ -405,7 +405,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe0af1392) " @ umlal pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe0a1f392) " @ umlal r1, pc, r2, r3") TEST_RRRR( "umlals r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4) - TEST_RRRR( "umlalles r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3) + TEST_RRRR( "umlalsle r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3) TEST_RRR( "umlals r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13") TEST_UNSUPPORTED(__inst_arm(0xe0bf1392) " @ umlals pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe0b1f392) " @ umlals r1, pc, r2, r3") @@ -416,7 +416,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe0c1f392) " @ smull pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe0cf1392) " @ smull r1, pc, r2, r3") TEST_RR( "smulls r0, r1, r",2, VAL1,", r",3, VAL2,"") - TEST_RR( "smulllss r7, r8, r",9, VAL2,", r",10, VAL1,"") + TEST_RR( "smullsls r7, r8, r",9, VAL2,", r",10, VAL1,"") TEST_R( "smulls lr, r12, r",11,VAL3,", r13") TEST_UNSUPPORTED(__inst_arm(0xe0d1f392) " @ smulls pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe0df1392) " @ smulls r1, pc, r2, r3") @@ -427,7 +427,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe0ef1392) " @ smlal pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe0e1f392) " @ smlal r1, pc, r2, r3") TEST_RRRR( "smlals r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4) - TEST_RRRR( "smlalles r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3) + TEST_RRRR( "smlalsle r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3) TEST_RRR( "smlals r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13") TEST_UNSUPPORTED(__inst_arm(0xe0ff1392) " @ smlals pc, r1, r2, r3") TEST_UNSUPPORTED(__inst_arm(0xe0f0f392) " @ smlals r0, pc, r2, r3") @@ -450,7 +450,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe10f0091) " @ swp r0, r1, [pc]") #if __LINUX_ARM_ARCH__ < 6 TEST_RP("swpb lr, r",7,VAL2,", [r",8,0,"]") - TEST_R( "swpvsb r0, r",1,VAL1,", [sp]") + TEST_R( "swpbvs r0, r",1,VAL1,", [sp]") #else TEST_UNSUPPORTED(__inst_arm(0xe148e097) " @ swpb lr, r7, [r8]") TEST_UNSUPPORTED(__inst_arm(0x614d0091) " @ swpvsb r0, r1, [sp]") @@ -477,11 +477,11 @@ void kprobe_arm_test_cases(void) TEST_GROUP("Extra load/store instructions") TEST_RPR( "strh r",0, VAL1,", [r",1, 48,", -r",2, 24,"]") - TEST_RPR( "streqh r",14,VAL2,", [r",11,0, ", r",12, 48,"]") - TEST_UNSUPPORTED( "streqh r14, [r13, r12]") - TEST_UNSUPPORTED( "streqh r14, [r12, r13]") + TEST_RPR( "strheq r",14,VAL2,", [r",11,0, ", r",12, 48,"]") + TEST_UNSUPPORTED( "strheq r14, [r13, r12]") + TEST_UNSUPPORTED( "strheq r14, [r12, r13]") TEST_RPR( "strh r",1, VAL1,", [r",2, 24,", r",3, 48,"]!") - TEST_RPR( "strneh r",12,VAL2,", [r",11,48,", -r",10,24,"]!") + TEST_RPR( "strhne r",12,VAL2,", [r",11,48,", -r",10,24,"]!") TEST_RPR( "strh r",2, VAL1,", [r",3, 24,"], r",4, 48,"") TEST_RPR( "strh r",10,VAL2,", [r",9, 48,"], -r",11,24,"") TEST_UNSUPPORTED(__inst_arm(0xe1afc0ba) " @ strh r12, [pc, r10]!") @@ -489,9 +489,9 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe089a0bf) " @ strh r10, [r9], pc") TEST_PR( "ldrh r0, [r",0, 48,", -r",2, 24,"]") - TEST_PR( "ldrcsh r14, [r",13,0, ", r",12, 48,"]") + TEST_PR( "ldrhcs r14, [r",13,0, ", r",12, 48,"]") TEST_PR( "ldrh r1, [r",2, 24,", r",3, 48,"]!") - TEST_PR( "ldrcch r12, [r",11,48,", -r",10,24,"]!") + TEST_PR( "ldrhcc r12, [r",11,48,", -r",10,24,"]!") TEST_PR( "ldrh r2, [r",3, 24,"], r",4, 48,"") TEST_PR( "ldrh r10, [r",9, 48,"], -r",11,24,"") TEST_UNSUPPORTED(__inst_arm(0xe1bfc0ba) " @ ldrh r12, [pc, r10]!") @@ -499,9 +499,9 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe099a0bf) " @ ldrh r10, [r9], pc") TEST_RP( "strh r",0, VAL1,", [r",1, 24,", #-2]") - TEST_RP( "strmih r",14,VAL2,", [r",13,0, ", #2]") + TEST_RP( "strhmi r",14,VAL2,", [r",13,0, ", #2]") TEST_RP( "strh r",1, VAL1,", [r",2, 24,", #4]!") - TEST_RP( "strplh r",12,VAL2,", [r",11,24,", #-4]!") + TEST_RP( "strhpl r",12,VAL2,", [r",11,24,", #-4]!") TEST_RP( "strh r",2, VAL1,", [r",3, 24,"], #48") TEST_RP( "strh r",10,VAL2,", [r",9, 64,"], #-48") TEST_RP( "strh r",3, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!") @@ -511,9 +511,9 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe0c9f3b0) " @ strh pc, [r9], #48") TEST_P( "ldrh r0, [r",0, 24,", #-2]") - TEST_P( "ldrvsh r14, [r",13,0, ", #2]") + TEST_P( "ldrhvs r14, [r",13,0, ", #2]") TEST_P( "ldrh r1, [r",2, 24,", #4]!") - TEST_P( "ldrvch r12, [r",11,24,", #-4]!") + TEST_P( "ldrhvc r12, [r",11,24,", #-4]!") TEST_P( "ldrh r2, [r",3, 24,"], #48") TEST_P( "ldrh r10, [r",9, 64,"], #-48") TEST( "ldrh r0, [pc, #0]") @@ -521,18 +521,18 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe0d9f3b0) " @ ldrh pc, [r9], #48") TEST_PR( "ldrsb r0, [r",0, 48,", -r",2, 24,"]") - TEST_PR( "ldrhisb r14, [r",13,0,", r",12, 48,"]") + TEST_PR( "ldrsbhi r14, [r",13,0,", r",12, 48,"]") TEST_PR( "ldrsb r1, [r",2, 24,", r",3, 48,"]!") - TEST_PR( "ldrlssb r12, [r",11,48,", -r",10,24,"]!") + TEST_PR( "ldrsbls r12, [r",11,48,", -r",10,24,"]!") TEST_PR( "ldrsb r2, [r",3, 24,"], r",4, 48,"") TEST_PR( "ldrsb r10, [r",9, 48,"], -r",11,24,"") TEST_UNSUPPORTED(__inst_arm(0xe1bfc0da) " @ ldrsb r12, [pc, r10]!") TEST_UNSUPPORTED(__inst_arm(0xe099f0db) " @ ldrsb pc, [r9], r11") TEST_P( "ldrsb r0, [r",0, 24,", #-1]") - TEST_P( "ldrgesb r14, [r",13,0, ", #1]") + TEST_P( "ldrsbge r14, [r",13,0, ", #1]") TEST_P( "ldrsb r1, [r",2, 24,", #4]!") - TEST_P( "ldrltsb r12, [r",11,24,", #-4]!") + TEST_P( "ldrsblt r12, [r",11,24,", #-4]!") TEST_P( "ldrsb r2, [r",3, 24,"], #48") TEST_P( "ldrsb r10, [r",9, 64,"], #-48") TEST( "ldrsb r0, [pc, #0]") @@ -540,18 +540,18 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe0d9f3d0) " @ ldrsb pc, [r9], #48") TEST_PR( "ldrsh r0, [r",0, 48,", -r",2, 24,"]") - TEST_PR( "ldrgtsh r14, [r",13,0, ", r",12, 48,"]") + TEST_PR( "ldrshgt r14, [r",13,0, ", r",12, 48,"]") TEST_PR( "ldrsh r1, [r",2, 24,", r",3, 48,"]!") - TEST_PR( "ldrlesh r12, [r",11,48,", -r",10,24,"]!") + TEST_PR( "ldrshle r12, [r",11,48,", -r",10,24,"]!") TEST_PR( "ldrsh r2, [r",3, 24,"], r",4, 48,"") TEST_PR( "ldrsh r10, [r",9, 48,"], -r",11,24,"") TEST_UNSUPPORTED(__inst_arm(0xe1bfc0fa) " @ ldrsh r12, [pc, r10]!") TEST_UNSUPPORTED(__inst_arm(0xe099f0fb) " @ ldrsh pc, [r9], r11") TEST_P( "ldrsh r0, [r",0, 24,", #-1]") - TEST_P( "ldreqsh r14, [r",13,0 ,", #1]") + TEST_P( "ldrsheq r14, [r",13,0 ,", #1]") TEST_P( "ldrsh r1, [r",2, 24,", #4]!") - TEST_P( "ldrnesh r12, [r",11,24,", #-4]!") + TEST_P( "ldrshne r12, [r",11,24,", #-4]!") TEST_P( "ldrsh r2, [r",3, 24,"], #48") TEST_P( "ldrsh r10, [r",9, 64,"], #-48") TEST( "ldrsh r0, [pc, #0]") @@ -571,30 +571,30 @@ void kprobe_arm_test_cases(void) #if __LINUX_ARM_ARCH__ >= 5 TEST_RPR( "strd r",0, VAL1,", [r",1, 48,", -r",2,24,"]") - TEST_RPR( "strccd r",8, VAL2,", [r",11,0, ", r",12,48,"]") - TEST_UNSUPPORTED( "strccd r8, [r13, r12]") - TEST_UNSUPPORTED( "strccd r8, [r12, r13]") + TEST_RPR( "strdcc r",8, VAL2,", [r",11,0, ", r",12,48,"]") + TEST_UNSUPPORTED( "strdcc r8, [r13, r12]") + TEST_UNSUPPORTED( "strdcc r8, [r12, r13]") TEST_RPR( "strd r",4, VAL1,", [r",2, 24,", r",3, 48,"]!") - TEST_RPR( "strcsd r",12,VAL2,", [r",11,48,", -r",10,24,"]!") - TEST_RPR( "strd r",2, VAL1,", [r",5, 24,"], r",4,48,"") - TEST_RPR( "strd r",10,VAL2,", [r",9, 48,"], -r",7,24,"") + TEST_RPR( "strdcs r",12,VAL2,", r13, [r",11,48,", -r",10,24,"]!") + TEST_RPR( "strd r",2, VAL1,", r3, [r",5, 24,"], r",4,48,"") + TEST_RPR( "strd r",10,VAL2,", r11, [r",9, 48,"], -r",7,24,"") TEST_UNSUPPORTED(__inst_arm(0xe1afc0fa) " @ strd r12, [pc, r10]!") TEST_PR( "ldrd r0, [r",0, 48,", -r",2,24,"]") - TEST_PR( "ldrmid r8, [r",13,0, ", r",12,48,"]") + TEST_PR( "ldrdmi r8, [r",13,0, ", r",12,48,"]") TEST_PR( "ldrd r4, [r",2, 24,", r",3, 48,"]!") - TEST_PR( "ldrpld r6, [r",11,48,", -r",10,24,"]!") - TEST_PR( "ldrd r2, [r",5, 24,"], r",4,48,"") - TEST_PR( "ldrd r10, [r",9,48,"], -r",7,24,"") + TEST_PR( "ldrdpl r6, [r",11,48,", -r",10,24,"]!") + TEST_PR( "ldrd r2, r3, [r",5, 24,"], r",4,48,"") + TEST_PR( "ldrd r10, r11, [r",9,48,"], -r",7,24,"") TEST_UNSUPPORTED(__inst_arm(0xe1afc0da) " @ ldrd r12, [pc, r10]!") TEST_UNSUPPORTED(__inst_arm(0xe089f0db) " @ ldrd pc, [r9], r11") TEST_UNSUPPORTED(__inst_arm(0xe089e0db) " @ ldrd lr, [r9], r11") TEST_UNSUPPORTED(__inst_arm(0xe089c0df) " @ ldrd r12, [r9], pc") TEST_RP( "strd r",0, VAL1,", [r",1, 24,", #-8]") - TEST_RP( "strvsd r",8, VAL2,", [r",13,0, ", #8]") + TEST_RP( "strdvs r",8, VAL2,", [r",13,0, ", #8]") TEST_RP( "strd r",4, VAL1,", [r",2, 24,", #16]!") - TEST_RP( "strvcd r",12,VAL2,", [r",11,24,", #-16]!") + TEST_RP( "strdvc r",12,VAL2,", r13, [r",11,24,", #-16]!") TEST_RP( "strd r",2, VAL1,", [r",4, 24,"], #48") TEST_RP( "strd r",10,VAL2,", [r",9, 64,"], #-48") TEST_RP( "strd r",6, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!") @@ -603,9 +603,9 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe1efc3f0) " @ strd r12, [pc, #48]!") TEST_P( "ldrd r0, [r",0, 24,", #-8]") - TEST_P( "ldrhid r8, [r",13,0, ", #8]") + TEST_P( "ldrdhi r8, [r",13,0, ", #8]") TEST_P( "ldrd r4, [r",2, 24,", #16]!") - TEST_P( "ldrlsd r6, [r",11,24,", #-16]!") + TEST_P( "ldrdls r6, [r",11,24,", #-16]!") TEST_P( "ldrd r2, [r",5, 24,"], #48") TEST_P( "ldrd r10, [r",9,6,"], #-48") TEST_UNSUPPORTED(__inst_arm(0xe1efc3d0) " @ ldrd r12, [pc, #48]!") @@ -1084,63 +1084,63 @@ void kprobe_arm_test_cases(void) TEST_GROUP("Branch, branch with link, and block data transfer") TEST_P( "stmda r",0, 16*4,", {r0}") - TEST_P( "stmeqda r",4, 16*4,", {r0-r15}") - TEST_P( "stmneda r",8, 16*4,"!, {r8-r15}") + TEST_P( "stmdaeq r",4, 16*4,", {r0-r15}") + TEST_P( "stmdane r",8, 16*4,"!, {r8-r15}") TEST_P( "stmda r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_P( "stmda r",13,0, "!, {pc}") TEST_P( "ldmda r",0, 16*4,", {r0}") - TEST_BF_P("ldmcsda r",4, 15*4,", {r0-r15}") - TEST_BF_P("ldmccda r",7, 15*4,"!, {r8-r15}") + TEST_BF_P("ldmdacs r",4, 15*4,", {r0-r15}") + TEST_BF_P("ldmdacc r",7, 15*4,"!, {r8-r15}") TEST_P( "ldmda r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_BF_P("ldmda r",14,15*4,"!, {pc}") TEST_P( "stmia r",0, 16*4,", {r0}") - TEST_P( "stmmiia r",4, 16*4,", {r0-r15}") - TEST_P( "stmplia r",8, 16*4,"!, {r8-r15}") + TEST_P( "stmiami r",4, 16*4,", {r0-r15}") + TEST_P( "stmiapl r",8, 16*4,"!, {r8-r15}") TEST_P( "stmia r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_P( "stmia r",14,0, "!, {pc}") TEST_P( "ldmia r",0, 16*4,", {r0}") - TEST_BF_P("ldmvsia r",4, 0, ", {r0-r15}") - TEST_BF_P("ldmvcia r",7, 8*4, "!, {r8-r15}") + TEST_BF_P("ldmiavs r",4, 0, ", {r0-r15}") + TEST_BF_P("ldmiavc r",7, 8*4, "!, {r8-r15}") TEST_P( "ldmia r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_BF_P("ldmia r",14,15*4,"!, {pc}") TEST_P( "stmdb r",0, 16*4,", {r0}") - TEST_P( "stmhidb r",4, 16*4,", {r0-r15}") - TEST_P( "stmlsdb r",8, 16*4,"!, {r8-r15}") + TEST_P( "stmdbhi r",4, 16*4,", {r0-r15}") + TEST_P( "stmdbls r",8, 16*4,"!, {r8-r15}") TEST_P( "stmdb r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_P( "stmdb r",13,4, "!, {pc}") TEST_P( "ldmdb r",0, 16*4,", {r0}") - TEST_BF_P("ldmgedb r",4, 16*4,", {r0-r15}") - TEST_BF_P("ldmltdb r",7, 16*4,"!, {r8-r15}") + TEST_BF_P("ldmdbge r",4, 16*4,", {r0-r15}") + TEST_BF_P("ldmdblt r",7, 16*4,"!, {r8-r15}") TEST_P( "ldmdb r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_BF_P("ldmdb r",14,16*4,"!, {pc}") TEST_P( "stmib r",0, 16*4,", {r0}") - TEST_P( "stmgtib r",4, 16*4,", {r0-r15}") - TEST_P( "stmleib r",8, 16*4,"!, {r8-r15}") + TEST_P( "stmibgt r",4, 16*4,", {r0-r15}") + TEST_P( "stmible r",8, 16*4,"!, {r8-r15}") TEST_P( "stmib r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_P( "stmib r",13,-4, "!, {pc}") TEST_P( "ldmib r",0, 16*4,", {r0}") - TEST_BF_P("ldmeqib r",4, -4,", {r0-r15}") - TEST_BF_P("ldmneib r",7, 7*4,"!, {r8-r15}") + TEST_BF_P("ldmibeq r",4, -4,", {r0-r15}") + TEST_BF_P("ldmibne r",7, 7*4,"!, {r8-r15}") TEST_P( "ldmib r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}") TEST_BF_P("ldmib r",14,14*4,"!, {pc}") TEST_P( "stmdb r",13,16*4,"!, {r3-r12,lr}") - TEST_P( "stmeqdb r",13,16*4,"!, {r3-r12}") - TEST_P( "stmnedb r",2, 16*4,", {r3-r12,lr}") + TEST_P( "stmdbeq r",13,16*4,"!, {r3-r12}") + TEST_P( "stmdbne r",2, 16*4,", {r3-r12,lr}") TEST_P( "stmdb r",13,16*4,"!, {r2-r12,lr}") TEST_P( "stmdb r",0, 16*4,", {r0-r12}") TEST_P( "stmdb r",0, 16*4,", {r0-r12,lr}") TEST_BF_P("ldmia r",13,5*4, "!, {r3-r12,pc}") - TEST_P( "ldmccia r",13,5*4, "!, {r3-r12}") - TEST_BF_P("ldmcsia r",2, 5*4, "!, {r3-r12,pc}") + TEST_P( "ldmiacc r",13,5*4, "!, {r3-r12}") + TEST_BF_P("ldmiacs r",2, 5*4, "!, {r3-r12,pc}") TEST_BF_P("ldmia r",13,4*4, "!, {r2-r12,pc}") TEST_P( "ldmia r",0, 16*4,", {r0-r12}") TEST_P( "ldmia r",0, 16*4,", {r0-r12,lr}") @@ -1174,80 +1174,80 @@ void kprobe_arm_test_cases(void) #define TEST_COPROCESSOR(code) TEST_UNSUPPORTED(code) #define COPROCESSOR_INSTRUCTIONS_ST_LD(two,cc) \ - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #4]") \ - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #-4]") \ - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #4]!") \ - TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #-4]!") \ - TEST_COPROCESSOR("stc"two" 0, cr0, [r13], #4") \ - TEST_COPROCESSOR("stc"two" 0, cr0, [r13], #-4") \ - TEST_COPROCESSOR("stc"two" 0, cr0, [r13], {1}") \ - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #4]") \ - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #-4]") \ - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #4]!") \ - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #-4]!") \ - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], #4") \ - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], #-4") \ - TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], {1}") \ - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #4]") \ - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #-4]") \ - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #4]!") \ - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #-4]!") \ - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], #4") \ - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], #-4") \ - TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], {1}") \ - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #4]") \ - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #-4]") \ - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #4]!") \ - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #-4]!") \ - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], #4") \ - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], #-4") \ - TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], {1}") \ + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #4]") \ + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #-4]") \ + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #4]!") \ + TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #-4]!") \ + TEST_COPROCESSOR("stc"two" p0, cr0, [r13], #4") \ + TEST_COPROCESSOR("stc"two" p0, cr0, [r13], #-4") \ + TEST_COPROCESSOR("stc"two" p0, cr0, [r13], {1}") \ + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #4]") \ + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #-4]") \ + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #4]!") \ + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #-4]!") \ + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], #4") \ + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], #-4") \ + TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], {1}") \ + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #4]") \ + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #-4]") \ + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #4]!") \ + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #-4]!") \ + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], #4") \ + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], #-4") \ + TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], {1}") \ + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #4]") \ + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #-4]") \ + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #4]!") \ + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #-4]!") \ + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], #4") \ + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], #-4") \ + TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], {1}") \ \ - TEST_COPROCESSOR( "stc"two" 0, cr0, [r15, #4]") \ - TEST_COPROCESSOR( "stc"two" 0, cr0, [r15, #-4]") \ + TEST_COPROCESSOR( "stc"two" p0, cr0, [r15, #4]") \ + TEST_COPROCESSOR( "stc"two" p0, cr0, [r15, #-4]") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##daf0001) " @ stc"two" 0, cr0, [r15, #4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##d2f0001) " @ stc"two" 0, cr0, [r15, #-4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##caf0001) " @ stc"two" 0, cr0, [r15], #4") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c2f0001) " @ stc"two" 0, cr0, [r15], #-4") \ - TEST_COPROCESSOR( "stc"two" 0, cr0, [r15], {1}") \ - TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15, #4]") \ - TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15, #-4]") \ + TEST_COPROCESSOR( "stc"two" p0, cr0, [r15], {1}") \ + TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15, #4]") \ + TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15, #-4]") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##def0001) " @ stc"two"l 0, cr0, [r15, #4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##d6f0001) " @ stc"two"l 0, cr0, [r15, #-4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##cef0001) " @ stc"two"l 0, cr0, [r15], #4") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c6f0001) " @ stc"two"l 0, cr0, [r15], #-4") \ - TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15], {1}") \ - TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15, #4]") \ - TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15, #-4]") \ + TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15], {1}") \ + TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15, #4]") \ + TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15, #-4]") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##dbf0001) " @ ldc"two" 0, cr0, [r15, #4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##d3f0001) " @ ldc"two" 0, cr0, [r15, #-4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##cbf0001) " @ ldc"two" 0, cr0, [r15], #4") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c3f0001) " @ ldc"two" 0, cr0, [r15], #-4") \ - TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15], {1}") \ - TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15, #4]") \ - TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15, #-4]") \ + TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15], {1}") \ + TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15, #4]") \ + TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15, #-4]") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##dff0001) " @ ldc"two"l 0, cr0, [r15, #4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##d7f0001) " @ ldc"two"l 0, cr0, [r15, #-4]!") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##cff0001) " @ ldc"two"l 0, cr0, [r15], #4") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c7f0001) " @ ldc"two"l 0, cr0, [r15], #-4") \ - TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15], {1}") + TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15], {1}") #define COPROCESSOR_INSTRUCTIONS_MC_MR(two,cc) \ \ - TEST_COPROCESSOR( "mcrr"two" 0, 15, r0, r14, cr0") \ - TEST_COPROCESSOR( "mcrr"two" 15, 0, r14, r0, cr15") \ + TEST_COPROCESSOR( "mcrr"two" p0, 15, r0, r14, cr0") \ + TEST_COPROCESSOR( "mcrr"two" p15, 0, r14, r0, cr15") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c4f00f0) " @ mcrr"two" 0, 15, r0, r15, cr0") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c40ff0f) " @ mcrr"two" 15, 0, r15, r0, cr15") \ - TEST_COPROCESSOR( "mrrc"two" 0, 15, r0, r14, cr0") \ - TEST_COPROCESSOR( "mrrc"two" 15, 0, r14, r0, cr15") \ + TEST_COPROCESSOR( "mrrc"two" p0, 15, r0, r14, cr0") \ + TEST_COPROCESSOR( "mrrc"two" p15, 0, r14, r0, cr15") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c5f00f0) " @ mrrc"two" 0, 15, r0, r15, cr0") \ TEST_UNSUPPORTED(__inst_arm(0x##cc##c50ff0f) " @ mrrc"two" 15, 0, r15, r0, cr15") \ - TEST_COPROCESSOR( "cdp"two" 15, 15, cr15, cr15, cr15, 7") \ - TEST_COPROCESSOR( "cdp"two" 0, 0, cr0, cr0, cr0, 0") \ - TEST_COPROCESSOR( "mcr"two" 15, 7, r15, cr15, cr15, 7") \ - TEST_COPROCESSOR( "mcr"two" 0, 0, r0, cr0, cr0, 0") \ - TEST_COPROCESSOR( "mrc"two" 15, 7, r15, cr15, cr15, 7") \ - TEST_COPROCESSOR( "mrc"two" 0, 0, r0, cr0, cr0, 0") + TEST_COPROCESSOR( "cdp"two" p15, 15, cr15, cr15, cr15, 7") \ + TEST_COPROCESSOR( "cdp"two" p0, 0, cr0, cr0, cr0, 0") \ + TEST_COPROCESSOR( "mcr"two" p15, 7, r15, cr15, cr15, 7") \ + TEST_COPROCESSOR( "mcr"two" p0, 0, r0, cr0, cr0, 0") \ + TEST_COPROCESSOR( "mrc"two" p15, 7, r14, cr15, cr15, 7") \ + TEST_COPROCESSOR( "mrc"two" p0, 0, r0, cr0, cr0, 0") COPROCESSOR_INSTRUCTIONS_ST_LD("",e) #if __LINUX_ARM_ARCH__ >= 5 diff --git a/arch/arm/probes/kprobes/test-core.h b/arch/arm/probes/kprobes/test-core.h index 19a5b2add41e..f1d5583e7bbb 100644 --- a/arch/arm/probes/kprobes/test-core.h +++ b/arch/arm/probes/kprobes/test-core.h @@ -108,6 +108,7 @@ struct test_arg_end { #define TESTCASE_START(title) \ __asm__ __volatile__ ( \ + ".syntax unified \n\t" \ "bl __kprobes_test_case_start \n\t" \ ".pushsection .rodata \n\t" \ "10: \n\t" \ diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile index 3654f979851b..87de1f63f649 100644 --- a/arch/arm/tools/Makefile +++ b/arch/arm/tools/Makefile @@ -8,16 +8,15 @@ gen := arch/$(ARCH)/include/generated kapi := $(gen)/asm uapi := $(gen)/uapi/asm -syshdr := $(srctree)/$(src)/syscallhdr.sh +syshdr := $(srctree)/scripts/syscallhdr.sh sysnr := $(srctree)/$(src)/syscallnr.sh -systbl := $(srctree)/$(src)/syscalltbl.sh +systbl := $(srctree)/scripts/syscalltbl.sh syscall := $(src)/syscall.tbl gen-y := $(gen)/calls-oabi.S gen-y += $(gen)/calls-eabi.S kapi-hdrs-y := $(kapi)/unistd-nr.h kapi-hdrs-y += $(kapi)/mach-types.h -uapi-hdrs-y := $(uapi)/unistd-common.h uapi-hdrs-y += $(uapi)/unistd-oabi.h uapi-hdrs-y += $(uapi)/unistd-eabi.h @@ -41,28 +40,21 @@ $(kapi)/mach-types.h: $(src)/gen-mach-types $(src)/mach-types FORCE $(call if_changed,gen_mach) quiet_cmd_syshdr = SYSHDR $@ - cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \ - '$(syshdr_abi_$(basetarget))' \ - '$(syshdr_pfx_$(basetarget))' \ - '__NR_SYSCALL_BASE' + cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) \ + --offset __NR_SYSCALL_BASE $< $@ quiet_cmd_systbl = SYSTBL $@ - cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \ - '$(systbl_abi_$(basetarget))' + cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@ quiet_cmd_sysnr = SYSNR $@ cmd_sysnr = $(CONFIG_SHELL) '$(sysnr)' '$<' '$@' \ '$(syshdr_abi_$(basetarget))' -syshdr_abi_unistd-common := common -$(uapi)/unistd-common.h: $(syscall) $(syshdr) FORCE - $(call if_changed,syshdr) - -syshdr_abi_unistd-oabi := oabi +$(uapi)/unistd-oabi.h: abis := common,oabi $(uapi)/unistd-oabi.h: $(syscall) $(syshdr) FORCE $(call if_changed,syshdr) -syshdr_abi_unistd-eabi := eabi +$(uapi)/unistd-eabi.h: abis := common,eabi $(uapi)/unistd-eabi.h: $(syscall) $(syshdr) FORCE $(call if_changed,syshdr) @@ -70,10 +62,10 @@ sysnr_abi_unistd-nr := common,oabi,eabi,compat $(kapi)/unistd-nr.h: $(syscall) $(sysnr) FORCE $(call if_changed,sysnr) -systbl_abi_calls-oabi := common,oabi +$(gen)/calls-oabi.S: abis := common,oabi $(gen)/calls-oabi.S: $(syscall) $(systbl) FORCE $(call if_changed,systbl) -systbl_abi_calls-eabi := common,eabi +$(gen)/calls-eabi.S: abis := common,eabi $(gen)/calls-eabi.S: $(syscall) $(systbl) FORCE $(call if_changed,systbl) diff --git a/arch/arm/tools/syscallhdr.sh b/arch/arm/tools/syscallhdr.sh deleted file mode 100644 index 6b2f25cdd721..000000000000 --- a/arch/arm/tools/syscallhdr.sh +++ /dev/null @@ -1,31 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` -prefix="$4" -offset="$5" - -fileguard=_ASM_ARM_`basename "$out" | sed \ - -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ - -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` -if echo $out | grep -q uapi; then - fileguard="_UAPI$fileguard" -fi -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - echo "#ifndef ${fileguard}" - echo "#define ${fileguard} 1" - echo "" - - while read nr abi name entry ; do - if [ -z "$offset" ]; then - echo "#define __NR_${prefix}${name} $nr" - else - echo "#define __NR_${prefix}${name} ($offset + $nr)" - fi - done - - echo "" - echo "#endif /* ${fileguard} */" -) > "$out" diff --git a/arch/arm/tools/syscalltbl.sh b/arch/arm/tools/syscalltbl.sh deleted file mode 100644 index ae7e93cfbfd3..000000000000 --- a/arch/arm/tools/syscalltbl.sh +++ /dev/null @@ -1,22 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` - -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - while read nr abi name entry compat; do - if [ "$abi" = "eabi" -a -n "$compat" ]; then - echo "$in: error: a compat entry for an EABI syscall ($name) makes no sense" >&2 - exit 1 - fi - - if [ -n "$entry" ]; then - if [ -z "$compat" ]; then - echo "NATIVE($nr, $entry)" - else - echo "COMPAT($nr, $entry, $compat)" - fi - fi - done -) > "$out" diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index f0b17d758912..9f1d8566bbf9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -170,7 +170,6 @@ config ARM64 select HAVE_CMPXCHG_DOUBLE select HAVE_CMPXCHG_LOCAL select HAVE_CONTEXT_TRACKING - select HAVE_DEBUG_BUGVERBOSE select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE @@ -1061,15 +1060,7 @@ source "kernel/Kconfig.hz" config ARCH_SPARSEMEM_ENABLE def_bool y select SPARSEMEM_VMEMMAP_ENABLE - -config ARCH_SPARSEMEM_DEFAULT - def_bool ARCH_SPARSEMEM_ENABLE - -config ARCH_SELECT_MEMORY_MODEL - def_bool ARCH_SPARSEMEM_ENABLE - -config ARCH_FLATMEM_ENABLE - def_bool !NUMA + select SPARSEMEM_VMEMMAP config HW_PERF_EVENTS def_bool y diff --git a/arch/arm64/include/asm/daifflags.h b/arch/arm64/include/asm/daifflags.h index 5eb7af9c4557..55f57dfa8e2f 100644 --- a/arch/arm64/include/asm/daifflags.h +++ b/arch/arm64/include/asm/daifflags.h @@ -131,6 +131,9 @@ static inline void local_daif_inherit(struct pt_regs *regs) if (interrupts_enabled(regs)) trace_hardirqs_on(); + if (system_uses_irq_prio_masking()) + gic_write_pmr(regs->pmr_save); + /* * We can't use local_daif_restore(regs->pstate) here as * system_has_prio_mask_debugging() won't restore the I bit if it can diff --git a/arch/arm64/include/asm/kernel-pgtable.h b/arch/arm64/include/asm/kernel-pgtable.h index 587c504a4c8b..d44df9d62fc9 100644 --- a/arch/arm64/include/asm/kernel-pgtable.h +++ b/arch/arm64/include/asm/kernel-pgtable.h @@ -136,7 +136,7 @@ * has a direct correspondence, and needs to appear sufficiently aligned * in the virtual address space. */ -#if defined(CONFIG_SPARSEMEM_VMEMMAP) && ARM64_MEMSTART_SHIFT < SECTION_SIZE_BITS +#if ARM64_MEMSTART_SHIFT < SECTION_SIZE_BITS #define ARM64_MEMSTART_ALIGN (1UL << SECTION_SIZE_BITS) #else #define ARM64_MEMSTART_ALIGN (1UL << ARM64_MEMSTART_SHIFT) diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index 6d9915d066fa..87b90dc27a43 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -345,7 +345,7 @@ static inline void *phys_to_virt(phys_addr_t x) */ #define ARCH_PFN_OFFSET ((unsigned long)PHYS_PFN_OFFSET) -#if !defined(CONFIG_SPARSEMEM_VMEMMAP) || defined(CONFIG_DEBUG_VIRTUAL) +#if defined(CONFIG_DEBUG_VIRTUAL) #define page_to_virt(x) ({ \ __typeof__(x) __page = x; \ void *__addr = __va(page_to_phys(__page)); \ @@ -365,7 +365,7 @@ static inline void *phys_to_virt(phys_addr_t x) u64 __addr = VMEMMAP_START + (__idx * sizeof(struct page)); \ (struct page *)__addr; \ }) -#endif /* !CONFIG_SPARSEMEM_VMEMMAP || CONFIG_DEBUG_VIRTUAL */ +#endif /* CONFIG_DEBUG_VIRTUAL */ #define virt_addr_valid(addr) ({ \ __typeof__(addr) __addr = __tag_reset(addr); \ diff --git a/arch/arm64/include/asm/sparsemem.h b/arch/arm64/include/asm/sparsemem.h index eb4a75d720ed..4b73463423c3 100644 --- a/arch/arm64/include/asm/sparsemem.h +++ b/arch/arm64/include/asm/sparsemem.h @@ -5,7 +5,6 @@ #ifndef __ASM_SPARSEMEM_H #define __ASM_SPARSEMEM_H -#ifdef CONFIG_SPARSEMEM #define MAX_PHYSMEM_BITS CONFIG_ARM64_PA_BITS /* @@ -27,6 +26,4 @@ #define SECTION_SIZE_BITS 27 #endif /* CONFIG_ARM64_64K_PAGES */ -#endif /* CONFIG_SPARSEMEM*/ - #endif diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c index abc84636af07..c906d20c7b52 100644 --- a/arch/arm64/kernel/alternative.c +++ b/arch/arm64/kernel/alternative.c @@ -133,11 +133,10 @@ static void clean_dcache_range_nopatch(u64 start, u64 end) } while (cur += d_size, cur < end); } -static void __nocfi __apply_alternatives(void *alt_region, bool is_module, - unsigned long *feature_mask) +static void __nocfi __apply_alternatives(struct alt_region *region, bool is_module, + unsigned long *feature_mask) { struct alt_instr *alt; - struct alt_region *region = alt_region; __le32 *origptr, *updptr; alternative_cb_t alt_cb; diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 30c82d38c189..efed2830d141 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -68,6 +68,7 @@ #include <linux/sort.h> #include <linux/stop_machine.h> #include <linux/types.h> +#include <linux/minmax.h> #include <linux/mm.h> #include <linux/cpu.h> #include <linux/kasan.h> @@ -694,14 +695,14 @@ static s64 arm64_ftr_safe_value(const struct arm64_ftr_bits *ftrp, s64 new, ret = ftrp->safe_val; break; case FTR_LOWER_SAFE: - ret = new < cur ? new : cur; + ret = min(new, cur); break; case FTR_HIGHER_OR_ZERO_SAFE: if (!cur || !new) break; fallthrough; case FTR_HIGHER_SAFE: - ret = new > cur ? new : cur; + ret = max(new, cur); break; default: BUG(); diff --git a/arch/arm64/kernel/cpuidle.c b/arch/arm64/kernel/cpuidle.c index b512b5503f6e..03991eeff643 100644 --- a/arch/arm64/kernel/cpuidle.c +++ b/arch/arm64/kernel/cpuidle.c @@ -29,7 +29,7 @@ int arm_cpuidle_init(unsigned int cpu) /** * arm_cpuidle_suspend() - function to enter a low-power idle state - * @arg: argument to pass to CPU suspend operations + * @index: argument to pass to CPU suspend operations * * Return: 0 on success, -EOPNOTSUPP if CPU suspend hook not initialized, CPU * operations back-end error code otherwise. diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c index a1ec351c36bd..340d04e13617 100644 --- a/arch/arm64/kernel/entry-common.c +++ b/arch/arm64/kernel/entry-common.c @@ -230,14 +230,6 @@ static void noinstr el1_dbg(struct pt_regs *regs, unsigned long esr) { unsigned long far = read_sysreg(far_el1); - /* - * The CPU masked interrupts, and we are leaving them masked during - * do_debug_exception(). Update PMR as if we had called - * local_daif_mask(). - */ - if (system_uses_irq_prio_masking()) - gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); - arm64_enter_el1_dbg(regs); if (!cortex_a76_erratum_1463225_debug_handler(regs)) do_debug_exception(far, esr, regs); @@ -404,9 +396,6 @@ static void noinstr el0_dbg(struct pt_regs *regs, unsigned long esr) /* Only watchpoints write FAR_EL1, otherwise its UNKNOWN */ unsigned long far = read_sysreg(far_el1); - if (system_uses_irq_prio_masking()) - gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); - enter_from_user_mode(); do_debug_exception(far, esr, regs); local_daif_restore(DAIF_PROCCTX_NOIRQ); @@ -414,9 +403,6 @@ static void noinstr el0_dbg(struct pt_regs *regs, unsigned long esr) static void noinstr el0_svc(struct pt_regs *regs) { - if (system_uses_irq_prio_masking()) - gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); - enter_from_user_mode(); cortex_a76_erratum_1463225_svc_handler(); do_el0_svc(regs); @@ -492,9 +478,6 @@ static void noinstr el0_cp15(struct pt_regs *regs, unsigned long esr) static void noinstr el0_svc_compat(struct pt_regs *regs) { - if (system_uses_irq_prio_masking()) - gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); - enter_from_user_mode(); cortex_a76_erratum_1463225_svc_handler(); do_el0_svc_compat(regs); diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 4ac5455c0ead..3513984a88bd 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -285,16 +285,16 @@ alternative_else_nop_endif stp lr, x21, [sp, #S_LR] /* - * For exceptions from EL0, terminate the callchain here. + * For exceptions from EL0, create a terminal frame record. * For exceptions from EL1, create a synthetic frame record so the * interrupted code shows up in the backtrace. */ .if \el == 0 - mov x29, xzr + stp xzr, xzr, [sp, #S_STACKFRAME] .else stp x29, x22, [sp, #S_STACKFRAME] - add x29, sp, #S_STACKFRAME .endif + add x29, sp, #S_STACKFRAME #ifdef CONFIG_ARM64_SW_TTBR0_PAN alternative_if_not ARM64_HAS_PAN @@ -314,6 +314,8 @@ alternative_else_nop_endif alternative_if ARM64_HAS_IRQ_PRIO_MASKING mrs_s x20, SYS_ICC_PMR_EL1 str x20, [sp, #S_PMR_SAVE] + mov x20, #GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET + msr_s SYS_ICC_PMR_EL1, x20 alternative_else_nop_endif /* Re-enable tag checking (TCO set on exception entry) */ @@ -550,17 +552,7 @@ tsk .req x28 // current thread_info #endif .endm - .macro gic_prio_irq_setup, pmr:req, tmp:req -#ifdef CONFIG_ARM64_PSEUDO_NMI - alternative_if ARM64_HAS_IRQ_PRIO_MASKING - orr \tmp, \pmr, #GIC_PRIO_PSR_I_SET - msr_s SYS_ICC_PMR_EL1, \tmp - alternative_else_nop_endif -#endif - .endm - .macro el1_interrupt_handler, handler:req - gic_prio_irq_setup pmr=x20, tmp=x1 enable_da mov x0, sp @@ -590,7 +582,6 @@ alternative_else_nop_endif .endm .macro el0_interrupt_handler, handler:req - gic_prio_irq_setup pmr=x20, tmp=x0 user_exit_irqoff enable_da @@ -788,7 +779,6 @@ SYM_CODE_END(el0_fiq) SYM_CODE_START_LOCAL(el1_error) kernel_entry 1 mrs x1, esr_el1 - gic_prio_kentry_setup tmp=x2 enable_dbg mov x0, sp bl do_serror @@ -799,7 +789,6 @@ SYM_CODE_START_LOCAL(el0_error) kernel_entry 0 el0_error_naked: mrs x25, esr_el1 - gic_prio_kentry_setup tmp=x2 user_exit_irqoff enable_dbg mov x0, sp diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index cbf52109583b..b4bb67f17a2c 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -294,13 +294,10 @@ void __show_regs(struct pt_regs *regs) i = top_reg; while (i >= 0) { - printk("x%-2d: %016llx ", i, regs->regs[i]); - i--; + printk("x%-2d: %016llx", i, regs->regs[i]); - if (i % 2 == 0) { - pr_cont("x%-2d: %016llx ", i, regs->regs[i]); - i--; - } + while (i-- % 3) + pr_cont(" x%-2d: %016llx", i, regs->regs[i]); pr_cont("\n"); } diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 84b676bcf867..de07147a7926 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -68,10 +68,6 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) unsigned long fp = frame->fp; struct stack_info info; - /* Terminal record; nothing to unwind */ - if (!fp) - return -ENOENT; - if (fp & 0xf) return -EINVAL; @@ -132,6 +128,12 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) frame->pc = ptrauth_strip_insn_pac(frame->pc); + /* + * This is a terminal record, so we have finished unwinding. + */ + if (!frame->fp && !frame->pc) + return -ENOENT; + return 0; } NOKPROBE_SYMBOL(unwind_frame); diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S index 61dbb4c838ef..a5e61e09ea92 100644 --- a/arch/arm64/kernel/vdso/vdso.lds.S +++ b/arch/arm64/kernel/vdso/vdso.lds.S @@ -31,6 +31,13 @@ SECTIONS .gnu.version_d : { *(.gnu.version_d) } .gnu.version_r : { *(.gnu.version_r) } + /* + * Discard .note.gnu.property sections which are unused and have + * different alignment requirement from vDSO note sections. + */ + /DISCARD/ : { + *(.note.GNU-stack .note.gnu.property) + } .note : { *(.note.*) } :text :note . = ALIGN(16); @@ -48,7 +55,6 @@ SECTIONS PROVIDE(end = .); /DISCARD/ : { - *(.note.GNU-stack) *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) *(.eh_frame .eh_frame_hdr) diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 789ad420f16b..3dba0c4f8f42 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -10,15 +10,7 @@ include $(srctree)/lib/vdso/Makefile # Same as cc-*option, but using CC_COMPAT instead of CC ifeq ($(CONFIG_CC_IS_CLANG), y) -COMPAT_GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE_COMPAT)elfedit)) -COMPAT_GCC_TOOLCHAIN := $(realpath $(COMPAT_GCC_TOOLCHAIN_DIR)/..) - CC_COMPAT_CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%)) -CC_COMPAT_CLANG_FLAGS += --prefix=$(COMPAT_GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE_COMPAT)) -CC_COMPAT_CLANG_FLAGS += -no-integrated-as -Qunused-arguments -ifneq ($(COMPAT_GCC_TOOLCHAIN),) -CC_COMPAT_CLANG_FLAGS += --gcc-toolchain=$(COMPAT_GCC_TOOLCHAIN) -endif CC_COMPAT ?= $(CC) CC_COMPAT += $(CC_COMPAT_CLANG_FLAGS) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 0696a459ea95..16a2b2b1c54d 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -221,6 +221,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) int pfn_valid(unsigned long pfn) { phys_addr_t addr = PFN_PHYS(pfn); + struct mem_section *ms; /* * Ensure the upper PAGE_SHIFT bits are clear in the @@ -231,10 +232,6 @@ int pfn_valid(unsigned long pfn) if (PHYS_PFN(addr) != pfn) return 0; -#ifdef CONFIG_SPARSEMEM -{ - struct mem_section *ms; - if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) return 0; @@ -253,8 +250,7 @@ int pfn_valid(unsigned long pfn) */ if (!early_section(ms)) return pfn_section_valid(ms, pfn); -} -#endif + return memblock_is_map_memory(addr); } EXPORT_SYMBOL(pfn_valid); diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 70fa3cdbe841..6dd9369e3ea0 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -1113,7 +1113,6 @@ static void free_empty_tables(unsigned long addr, unsigned long end, } #endif -#ifdef CONFIG_SPARSEMEM_VMEMMAP #if !ARM64_SWAPPER_USES_SECTION_MAPS int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, struct vmem_altmap *altmap) @@ -1177,7 +1176,6 @@ void vmemmap_free(unsigned long start, unsigned long end, free_empty_tables(start, end, VMEMMAP_START, VMEMMAP_END); #endif } -#endif /* CONFIG_SPARSEMEM_VMEMMAP */ static inline pud_t *fixmap_pud(unsigned long addr) { diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index a50e92ea1878..a1937dfff31c 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -51,10 +51,8 @@ static struct addr_marker address_markers[] = { { FIXADDR_TOP, "Fixmap end" }, { PCI_IO_START, "PCI I/O start" }, { PCI_IO_END, "PCI I/O end" }, -#ifdef CONFIG_SPARSEMEM_VMEMMAP { VMEMMAP_START, "vmemmap start" }, { VMEMMAP_START + VMEMMAP_SIZE, "vmemmap end" }, -#endif { -1, NULL }, }; diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h index 7aa16c732aa9..c867a80cab5b 100644 --- a/arch/h8300/include/asm/bitops.h +++ b/arch/h8300/include/asm/bitops.h @@ -9,6 +9,10 @@ #include <linux/compiler.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/__fls.h> +#include <asm-generic/bitops/fls64.h> + #ifdef __KERNEL__ #ifndef _LINUX_BITOPS_H @@ -173,8 +177,4 @@ static inline unsigned long __ffs(unsigned long word) #endif /* __KERNEL__ */ -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.h> - #endif /* _H8300_BITOPS_H */ diff --git a/arch/hexagon/configs/comet_defconfig b/arch/hexagon/configs/comet_defconfig index f70daa038e85..9b2b1cc0794a 100644 --- a/arch/hexagon/configs/comet_defconfig +++ b/arch/hexagon/configs/comet_defconfig @@ -34,7 +34,6 @@ CONFIG_NET_ETHERNET=y # CONFIG_SERIO is not set # CONFIG_CONSOLE_TRANSLATIONS is not set CONFIG_LEGACY_PTY_COUNT=64 -# CONFIG_DEVKMEM is not set # CONFIG_HW_RANDOM is not set CONFIG_SPI=y CONFIG_SPI_DEBUG=y diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h index bda2a9c2df78..c33241425a5c 100644 --- a/arch/hexagon/include/asm/io.h +++ b/arch/hexagon/include/asm/io.h @@ -64,7 +64,6 @@ static inline void *phys_to_virt(unsigned long address) * convert a physical pointer to a virtual kernel pointer for * /dev/mem access. */ -#define xlate_dev_kmem_ptr(p) __va(p) #define xlate_dev_mem_ptr(p) __va(p) /* diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h index 3d666a11a2de..6d93b923b379 100644 --- a/arch/ia64/include/asm/io.h +++ b/arch/ia64/include/asm/io.h @@ -277,7 +277,6 @@ extern void memset_io(volatile void __iomem *s, int c, long n); #define memcpy_fromio memcpy_fromio #define memcpy_toio memcpy_toio #define memset_io memset_io -#define xlate_dev_kmem_ptr xlate_dev_kmem_ptr #define xlate_dev_mem_ptr xlate_dev_mem_ptr #include <asm-generic/io.h> #undef PCI_IOBASE diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h index 179243c3dfc7..e19d2dcc0ced 100644 --- a/arch/ia64/include/asm/uaccess.h +++ b/arch/ia64/include/asm/uaccess.h @@ -272,22 +272,4 @@ xlate_dev_mem_ptr(phys_addr_t p) return ptr; } -/* - * Convert a virtual cached kernel memory pointer to an uncached pointer - */ -static __inline__ void * -xlate_dev_kmem_ptr(void *p) -{ - struct page *page; - void *ptr; - - page = virt_to_page((unsigned long)p); - if (PageUncached(page)) - ptr = (void *)__pa(p) + __IA64_UNCACHED_OFFSET; - else - ptr = p; - - return ptr; -} - #endif /* _ASM_IA64_UACCESS_H */ diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index ea14f2046fb4..82620f14124d 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -16,7 +16,7 @@ KBUILD_DEFCONFIG := multi_defconfig -ifneq ($(SUBARCH),$(ARCH)) +ifdef cross_compiling ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(call cc-cross-prefix, \ m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-) diff --git a/arch/m68k/atari/time.c b/arch/m68k/atari/time.c index 1068670cb741..7e44d0e9d0f8 100644 --- a/arch/m68k/atari/time.c +++ b/arch/m68k/atari/time.c @@ -317,10 +317,3 @@ int atari_tt_hwclk( int op, struct rtc_time *t ) return( 0 ); } - -/* - * Local variables: - * c-indent-level: 4 - * tab-width: 8 - * End: - */ diff --git a/arch/m68k/configs/amcore_defconfig b/arch/m68k/configs/amcore_defconfig index 3a84f24d41c8..6d9ed2198170 100644 --- a/arch/m68k/configs/amcore_defconfig +++ b/arch/m68k/configs/amcore_defconfig @@ -60,7 +60,6 @@ CONFIG_DM9000=y # CONFIG_VT is not set # CONFIG_UNIX98_PTYS is not set # CONFIG_DEVMEM is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_BAUDRATE=115200 CONFIG_SERIAL_MCF_CONSOLE=y diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h index 10133a968c8e..7b414099e5fc 100644 --- a/arch/m68k/include/asm/bitops.h +++ b/arch/m68k/include/asm/bitops.h @@ -440,8 +440,6 @@ static inline unsigned long ffz(unsigned long word) #endif -#include <asm-generic/bitops/find.h> - #ifdef __KERNEL__ #if defined(CONFIG_CPU_HAS_NO_BITFIELDS) @@ -525,10 +523,12 @@ static inline int __fls(int x) #define __clear_bit_unlock clear_bit_unlock #include <asm-generic/bitops/ext2-atomic.h> -#include <asm-generic/bitops/le.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/le.h> #endif /* __KERNEL__ */ +#include <asm-generic/bitops/find.h> + #endif /* _M68K_BITOPS_H */ diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 819f611dccf2..d41fa488453b 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -397,11 +397,6 @@ static inline void isa_delay(void) */ #define xlate_dev_mem_ptr(p) __va(p) -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - #define readb_relaxed(addr) readb(addr) #define readw_relaxed(addr) readw(addr) #define readl_relaxed(addr) readl(addr) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index e71d587af49c..258234c35a09 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -50,7 +50,7 @@ tool-archpref = $(64bit-tool-archpref) UTS_MACHINE := mips64 endif -ifneq ($(SUBARCH),$(ARCH)) +ifdef cross_compiling ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) endif diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 2c138450ad3b..6f5c86d2bab4 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -564,11 +564,6 @@ extern void (*_dma_cache_inv)(unsigned long start, unsigned long size); */ #define xlate_dev_mem_ptr(p) __va(p) -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - void __ioread64_copy(void *to, const void __iomem *from, size_t count); #endif /* _ASM_IO_H */ diff --git a/arch/openrisc/configs/or1ksim_defconfig b/arch/openrisc/configs/or1ksim_defconfig index 75f2da324d0e..6e1e004047c7 100644 --- a/arch/openrisc/configs/or1ksim_defconfig +++ b/arch/openrisc/configs/or1ksim_defconfig @@ -43,7 +43,6 @@ CONFIG_MICREL_PHY=y # CONFIG_SERIO is not set # CONFIG_VT is not set # CONFIG_LEGACY_PTYS is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 7d9f71aa829a..aed8ea29268b 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -41,7 +41,7 @@ endif export LD_BFD -ifneq ($(SUBARCH),$(UTS_MACHINE)) +ifdef cross_compiling ifeq ($(CROSS_COMPILE),) CC_SUFFIXES = linux linux-gnu unknown-linux-gnu CROSS_COMPILE := $(call cc-cross-prefix, \ diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h index 8a11b8cf4719..0b5259102319 100644 --- a/arch/parisc/include/asm/io.h +++ b/arch/parisc/include/asm/io.h @@ -316,11 +316,6 @@ extern void iowrite64be(u64 val, void __iomem *addr); */ #define xlate_dev_mem_ptr(p) __va(p) -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - extern int devmem_is_allowed(unsigned long pfn); #endif diff --git a/arch/parisc/include/asm/pdc_chassis.h b/arch/parisc/include/asm/pdc_chassis.h index ae3e108d22ad..d6d82f53d3d0 100644 --- a/arch/parisc/include/asm/pdc_chassis.h +++ b/arch/parisc/include/asm/pdc_chassis.h @@ -365,4 +365,3 @@ void parisc_pdc_chassis_init(void); PDC_CHASSIS_EOM_SET ) #endif /* _PARISC_PDC_CHASSIS_H */ -/* vim: set ts=8 */ diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index cb2d44ee4e38..088dd2afcfe4 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -120,28 +120,29 @@ config PPC select ARCH_32BIT_OFF_T if PPC32 select ARCH_ENABLE_MEMORY_HOTPLUG select ARCH_ENABLE_MEMORY_HOTREMOVE + select ARCH_HAS_COPY_MC if PPC64 select ARCH_HAS_DEBUG_VIRTUAL select ARCH_HAS_DEBUG_VM_PGTABLE select ARCH_HAS_DEVMEM_IS_ALLOWED + select ARCH_HAS_DMA_MAP_DIRECT if PPC_PSERIES select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL - select ARCH_HAS_KCOV select ARCH_HAS_HUGEPD if HUGETLB_PAGE + select ARCH_HAS_KCOV + select ARCH_HAS_MEMBARRIER_CALLBACKS + select ARCH_HAS_MEMBARRIER_SYNC_CORE select ARCH_HAS_MEMREMAP_COMPAT_ALIGN select ARCH_HAS_MMIOWB if PPC64 + select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_PMEM_API - select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64 select ARCH_HAS_PTE_SPECIAL - select ARCH_HAS_MEMBARRIER_CALLBACKS - select ARCH_HAS_MEMBARRIER_SYNC_CORE select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64 select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !HIBERNATION) select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAS_UACCESS_FLUSHCACHE - select ARCH_HAS_COPY_MC if PPC64 select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_KEEP_MEMBLOCK @@ -164,9 +165,8 @@ config PPC select BUILDTIME_TABLE_SORT select CLONE_BACKWARDS select DCACHE_WORD_ACCESS if PPC64 && CPU_LITTLE_ENDIAN - select DMA_OPS if PPC64 select DMA_OPS_BYPASS if PPC64 - select ARCH_HAS_DMA_MAP_DIRECT if PPC64 && PPC_PSERIES + select DMA_OPS if PPC64 select DYNAMIC_FTRACE if FUNCTION_TRACER select EDAC_ATOMIC_SCRUB select EDAC_SUPPORT @@ -186,23 +186,22 @@ config PPC select GENERIC_TIME_VSYSCALL select GENERIC_VDSO_TIME_NS select HAVE_ARCH_AUDITSYSCALL + select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP select HAVE_ARCH_HUGE_VMAP if PPC_BOOK3S_64 && PPC_RADIX_MMU select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN if PPC32 && PPC_PAGE_SHIFT <= 14 select HAVE_ARCH_KASAN_VMALLOC if PPC32 && PPC_PAGE_SHIFT <= 14 - select HAVE_ARCH_KGDB select HAVE_ARCH_KFENCE if PPC32 + select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT select HAVE_ARCH_NVRAM_OPS select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK select HAVE_ASM_MODVERSIONS - select HAVE_C_RECORDMCOUNT - select HAVE_STACKPROTECTOR if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13) - select HAVE_STACKPROTECTOR if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2) select HAVE_CONTEXT_TRACKING if PPC64 + select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK select HAVE_DEBUG_STACKOVERFLOW select HAVE_DYNAMIC_FTRACE @@ -216,10 +215,13 @@ config PPC select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS if GCC_VERSION >= 50200 # plugin support on gcc <= 5.1 is buggy on PPC select HAVE_GENERIC_VDSO + select HAVE_HARDLOCKUP_DETECTOR_ARCH if PPC_BOOK3S_64 && SMP + select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx) select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK + select HAVE_IRQ_TIME_ACCOUNTING select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZMA if DEFAULT_UIMAGE select HAVE_KERNEL_LZO if DEFAULT_UIMAGE @@ -231,26 +233,25 @@ config PPC select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_REGS select HAVE_MOD_ARCH_SPECIFIC select HAVE_NMI if PERF_EVENTS || (PPC64 && PPC_BOOK3S) - select HAVE_HARDLOCKUP_DETECTOR_ARCH if PPC64 && PPC_BOOK3S && SMP select HAVE_OPTPROBES select HAVE_PERF_EVENTS select HAVE_PERF_EVENTS_NMI if PPC64 - select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP - select HUGETLB_PAGE_SIZE_VARIABLE if PPC_BOOK3S_64 && HUGETLB_PAGE - select MMU_GATHER_RCU_TABLE_FREE - select MMU_GATHER_PAGE_SIZE select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RELIABLE_STACKTRACE + select HAVE_RSEQ select HAVE_SOFTIRQ_ON_OWN_STACK + select HAVE_STACKPROTECTOR if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2) + select HAVE_STACKPROTECTOR if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13) select HAVE_SYSCALL_TRACEPOINTS select HAVE_VIRT_CPU_ACCOUNTING - select HAVE_IRQ_TIME_ACCOUNTING - select HAVE_RSEQ + select HUGETLB_PAGE_SIZE_VARIABLE if PPC_BOOK3S_64 && HUGETLB_PAGE select IOMMU_HELPER if PPC64 select IRQ_DOMAIN select IRQ_FORCED_THREADING + select MMU_GATHER_PAGE_SIZE + select MMU_GATHER_RCU_TABLE_FREE select MODULES_USE_ELF_RELA select NEED_DMA_MAP_STATE if PPC64 || NOT_COHERENT_CACHE select NEED_SG_DMA_LENGTH diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 41fa0a8715e3..cdb796b76e2e 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -191,7 +191,7 @@ if [ -z "$kernel" ]; then kernel=vmlinux fi -LANG=C elfformat="`${CROSS}objdump -p "$kernel" | grep 'file format' | awk '{print $4}'`" +LC_ALL=C elfformat="`${CROSS}objdump -p "$kernel" | grep 'file format' | awk '{print $4}'`" case "$elfformat" in elf64-powerpcle) format=elf64lppc ;; elf64-powerpc) format=elf32ppc ;; diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 273edd208ec5..f130783c8301 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -663,11 +663,6 @@ static inline void name at \ #define xlate_dev_mem_ptr(p) __va(p) /* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -/* * We don't do relaxed operations yet, at least not with this semantic */ #define readb_relaxed(addr) readb(addr) diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index a6e9a5585e61..e6b53c6e21e3 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -210,7 +210,7 @@ extern void kvmppc_free_pgtable_radix(struct kvm *kvm, pgd_t *pgd, unsigned int lpid); extern int kvmppc_radix_init(void); extern void kvmppc_radix_exit(void); -extern bool kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, +extern void kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long gfn); extern bool kvm_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long gfn); diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index c76157237e22..6ea9001de9a9 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -28,9 +28,6 @@ extern struct device_node *opal_node; /* API functions */ int64_t opal_invalid_call(void); -int64_t opal_npu_destroy_context(uint64_t phb_id, uint64_t pid, uint64_t bdf); -int64_t opal_npu_init_context(uint64_t phb_id, int pasid, uint64_t msr, - uint64_t bdf); int64_t opal_npu_map_lpar(uint64_t phb_id, uint64_t bdf, uint64_t lparid, uint64_t lpcr); int64_t opal_npu_spa_setup(uint64_t phb_id, uint32_t bdfn, diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index d2a2a14e56f9..74424c14515c 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -126,7 +126,6 @@ struct pci_controller { #endif /* CONFIG_PPC64 */ void *private_data; - struct npu *npu; }; /* These are used for config access before all the PCI probing diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index 6436f0b41539..d1f53260725c 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -119,11 +119,4 @@ extern void pcibios_scan_phb(struct pci_controller *hose); #endif /* __KERNEL__ */ -extern struct pci_dev *pnv_pci_get_gpu_dev(struct pci_dev *npdev); -extern struct pci_dev *pnv_pci_get_npu_dev(struct pci_dev *gpdev, int index); -extern int pnv_npu2_init(struct pci_controller *hose); -extern int pnv_npu2_map_lpar_dev(struct pci_dev *gpdev, unsigned int lparid, - unsigned long msr); -extern int pnv_npu2_unmap_lpar_dev(struct pci_dev *gpdev); - #endif /* __ASM_POWERPC_PCI_H */ diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c index fab84024650c..3f35c8d20be7 100644 --- a/arch/powerpc/kernel/module.c +++ b/arch/powerpc/kernel/module.c @@ -8,6 +8,7 @@ #include <linux/moduleloader.h> #include <linux/err.h> #include <linux/vmalloc.h> +#include <linux/mm.h> #include <linux/bug.h> #include <asm/module.h> #include <linux/uaccess.h> @@ -88,17 +89,22 @@ int module_finalize(const Elf_Ehdr *hdr, return 0; } -#ifdef MODULES_VADDR static __always_inline void * __module_alloc(unsigned long size, unsigned long start, unsigned long end) { - return __vmalloc_node_range(size, 1, start, end, GFP_KERNEL, - PAGE_KERNEL_EXEC, VM_FLUSH_RESET_PERMS, NUMA_NO_NODE, - __builtin_return_address(0)); + /* + * Don't do huge page allocations for modules yet until more testing + * is done. STRICT_MODULE_RWX may require extra work to support this + * too. + */ + return __vmalloc_node_range(size, 1, start, end, GFP_KERNEL, PAGE_KERNEL_EXEC, + VM_FLUSH_RESET_PERMS | VM_NO_HUGE_VMAP, + NUMA_NO_NODE, __builtin_return_address(0)); } void *module_alloc(unsigned long size) { +#ifdef MODULES_VADDR unsigned long limit = (unsigned long)_etext - SZ_32M; void *ptr = NULL; @@ -112,5 +118,7 @@ void *module_alloc(unsigned long size) ptr = __module_alloc(size, MODULES_VADDR, MODULES_END); return ptr; -} +#else + return __module_alloc(size, VMALLOC_START, VMALLOC_END); #endif +} diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c index f9eb49e23ec8..5056e175ca2c 100644 --- a/arch/powerpc/kexec/file_load_64.c +++ b/arch/powerpc/kexec/file_load_64.c @@ -951,6 +951,93 @@ unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image) } /** + * add_node_props - Reads node properties from device node structure and add + * them to fdt. + * @fdt: Flattened device tree of the kernel + * @node_offset: offset of the node to add a property at + * @dn: device node pointer + * + * Returns 0 on success, negative errno on error. + */ +static int add_node_props(void *fdt, int node_offset, const struct device_node *dn) +{ + int ret = 0; + struct property *pp; + + if (!dn) + return -EINVAL; + + for_each_property_of_node(dn, pp) { + ret = fdt_setprop(fdt, node_offset, pp->name, pp->value, pp->length); + if (ret < 0) { + pr_err("Unable to add %s property: %s\n", pp->name, fdt_strerror(ret)); + return ret; + } + } + return ret; +} + +/** + * update_cpus_node - Update cpus node of flattened device tree using of_root + * device node. + * @fdt: Flattened device tree of the kernel. + * + * Returns 0 on success, negative errno on error. + */ +static int update_cpus_node(void *fdt) +{ + struct device_node *cpus_node, *dn; + int cpus_offset, cpus_subnode_offset, ret = 0; + + cpus_offset = fdt_path_offset(fdt, "/cpus"); + if (cpus_offset < 0 && cpus_offset != -FDT_ERR_NOTFOUND) { + pr_err("Malformed device tree: error reading /cpus node: %s\n", + fdt_strerror(cpus_offset)); + return cpus_offset; + } + + if (cpus_offset > 0) { + ret = fdt_del_node(fdt, cpus_offset); + if (ret < 0) { + pr_err("Error deleting /cpus node: %s\n", fdt_strerror(ret)); + return -EINVAL; + } + } + + /* Add cpus node to fdt */ + cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), "cpus"); + if (cpus_offset < 0) { + pr_err("Error creating /cpus node: %s\n", fdt_strerror(cpus_offset)); + return -EINVAL; + } + + /* Add cpus node properties */ + cpus_node = of_find_node_by_path("/cpus"); + ret = add_node_props(fdt, cpus_offset, cpus_node); + of_node_put(cpus_node); + if (ret < 0) + return ret; + + /* Loop through all subnodes of cpus and add them to fdt */ + for_each_node_by_type(dn, "cpu") { + cpus_subnode_offset = fdt_add_subnode(fdt, cpus_offset, dn->full_name); + if (cpus_subnode_offset < 0) { + pr_err("Unable to add %s subnode: %s\n", dn->full_name, + fdt_strerror(cpus_subnode_offset)); + ret = cpus_subnode_offset; + goto out; + } + + ret = add_node_props(fdt, cpus_subnode_offset, dn); + if (ret < 0) + goto out; + } +out: + of_node_put(dn); + return ret; +} + +/** * setup_new_fdt_ppc64 - Update the flattend device-tree of the kernel * being loaded. * @image: kexec image being loaded. @@ -1006,6 +1093,11 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt, } } + /* Update cpus nodes information to account hotplug CPUs. */ + ret = update_cpus_node(fdt); + if (ret < 0) + goto out; + /* Update memory reserve map */ ret = get_reserved_memory_ranges(&rmem); if (ret) diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index b7bd9ca040b8..2d9193cd73be 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -795,7 +795,7 @@ static void kvmppc_unmap_hpte(struct kvm *kvm, unsigned long i, } } -static bool kvm_unmap_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot, +static void kvm_unmap_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long gfn) { unsigned long i; @@ -829,15 +829,21 @@ static bool kvm_unmap_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot, unlock_rmap(rmapp); __unlock_hpte(hptep, be64_to_cpu(hptep[0])); } - return false; } bool kvm_unmap_gfn_range_hv(struct kvm *kvm, struct kvm_gfn_range *range) { - if (kvm_is_radix(kvm)) - return kvm_unmap_radix(kvm, range->slot, range->start); + gfn_t gfn; + + if (kvm_is_radix(kvm)) { + for (gfn = range->start; gfn < range->end; gfn++) + kvm_unmap_radix(kvm, range->slot, gfn); + } else { + for (gfn = range->start; gfn < range->end; gfn++) + kvm_unmap_rmapp(kvm, range->slot, range->start); + } - return kvm_unmap_rmapp(kvm, range->slot, range->start); + return false; } void kvmppc_core_flush_memslot_hv(struct kvm *kvm, @@ -924,10 +930,18 @@ static bool kvm_age_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot, bool kvm_age_gfn_hv(struct kvm *kvm, struct kvm_gfn_range *range) { - if (kvm_is_radix(kvm)) - kvm_age_radix(kvm, range->slot, range->start); + gfn_t gfn; + bool ret = false; - return kvm_age_rmapp(kvm, range->slot, range->start); + if (kvm_is_radix(kvm)) { + for (gfn = range->start; gfn < range->end; gfn++) + ret |= kvm_age_radix(kvm, range->slot, gfn); + } else { + for (gfn = range->start; gfn < range->end; gfn++) + ret |= kvm_age_rmapp(kvm, range->slot, gfn); + } + + return ret; } static bool kvm_test_age_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot, @@ -965,18 +979,24 @@ static bool kvm_test_age_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot, bool kvm_test_age_gfn_hv(struct kvm *kvm, struct kvm_gfn_range *range) { - if (kvm_is_radix(kvm)) - kvm_test_age_radix(kvm, range->slot, range->start); + WARN_ON(range->start + 1 != range->end); - return kvm_test_age_rmapp(kvm, range->slot, range->start); + if (kvm_is_radix(kvm)) + return kvm_test_age_radix(kvm, range->slot, range->start); + else + return kvm_test_age_rmapp(kvm, range->slot, range->start); } bool kvm_set_spte_gfn_hv(struct kvm *kvm, struct kvm_gfn_range *range) { + WARN_ON(range->start + 1 != range->end); + if (kvm_is_radix(kvm)) - return kvm_unmap_radix(kvm, range->slot, range->start); + kvm_unmap_radix(kvm, range->slot, range->start); + else + kvm_unmap_rmapp(kvm, range->slot, range->start); - return kvm_unmap_rmapp(kvm, range->slot, range->start); + return false; } static int vcpus_running(struct kvm *kvm) diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index ec4f58fa9f5a..d909c069363e 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -993,7 +993,7 @@ int kvmppc_book3s_radix_page_fault(struct kvm_vcpu *vcpu, } /* Called with kvm->mmu_lock held */ -bool kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, +void kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long gfn) { pte_t *ptep; @@ -1002,14 +1002,13 @@ bool kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, if (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) { uv_page_inval(kvm->arch.lpid, gpa, PAGE_SHIFT); - return false; + return; } ptep = find_kvm_secondary_pte(kvm, gpa, &shift); if (ptep && pte_present(*ptep)) kvmppc_unmap_pte(kvm, ptep, gpa, shift, memslot, kvm->arch.lpid); - return false; } /* Called with kvm->mmu_lock held */ diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index f2c690ee75d1..cc1a8a0f311e 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -5,6 +5,9 @@ ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) +CFLAGS_code-patching.o += -fno-stack-protector +CFLAGS_feature-fixups.o += -fno-stack-protector + CFLAGS_REMOVE_code-patching.o = $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_feature-fixups.o = $(CC_FLAGS_FTRACE) diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile index 2eb6ae150d1f..be2546b96816 100644 --- a/arch/powerpc/platforms/powernv/Makefile +++ b/arch/powerpc/platforms/powernv/Makefile @@ -10,7 +10,7 @@ obj-$(CONFIG_SMP) += smp.o subcore.o subcore-asm.o obj-$(CONFIG_FA_DUMP) += opal-fadump.o obj-$(CONFIG_PRESERVE_FA_DUMP) += opal-fadump.o obj-$(CONFIG_OPAL_CORE) += opal-core.o -obj-$(CONFIG_PCI) += pci.o pci-ioda.o npu-dma.o pci-ioda-tce.o +obj-$(CONFIG_PCI) += pci.o pci-ioda.o pci-ioda-tce.o obj-$(CONFIG_PCI_IOV) += pci-sriov.o obj-$(CONFIG_CXL_BASE) += pci-cxl.o obj-$(CONFIG_EEH) += eeh-powernv.o diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c index 71c1262589fe..537a4daed614 100644 --- a/arch/powerpc/platforms/powernv/memtrace.c +++ b/arch/powerpc/platforms/powernv/memtrace.c @@ -104,8 +104,8 @@ static void memtrace_clear_range(unsigned long start_pfn, * Before we go ahead and use this range as cache inhibited range * flush the cache. */ - flush_dcache_range_chunked(PFN_PHYS(start_pfn), - PFN_PHYS(start_pfn + nr_pages), + flush_dcache_range_chunked((unsigned long)pfn_to_kaddr(start_pfn), + (unsigned long)pfn_to_kaddr(start_pfn + nr_pages), FLUSH_CHUNK_SIZE); } diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c deleted file mode 100644 index b711dc3262a3..000000000000 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ /dev/null @@ -1,705 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * This file implements the DMA operations for NVLink devices. The NPU - * devices all point to the same iommu table as the parent PCI device. - * - * Copyright Alistair Popple, IBM Corporation 2015. - */ - -#include <linux/mmu_notifier.h> -#include <linux/mmu_context.h> -#include <linux/of.h> -#include <linux/pci.h> -#include <linux/memblock.h> -#include <linux/sizes.h> - -#include <asm/debugfs.h> -#include <asm/powernv.h> -#include <asm/ppc-pci.h> -#include <asm/opal.h> - -#include "pci.h" - -static struct pci_dev *get_pci_dev(struct device_node *dn) -{ - struct pci_dn *pdn = PCI_DN(dn); - struct pci_dev *pdev; - - pdev = pci_get_domain_bus_and_slot(pci_domain_nr(pdn->phb->bus), - pdn->busno, pdn->devfn); - - /* - * pci_get_domain_bus_and_slot() increased the reference count of - * the PCI device, but callers don't need that actually as the PE - * already holds a reference to the device. Since callers aren't - * aware of the reference count change, call pci_dev_put() now to - * avoid leaks. - */ - if (pdev) - pci_dev_put(pdev); - - return pdev; -} - -/* Given a NPU device get the associated PCI device. */ -struct pci_dev *pnv_pci_get_gpu_dev(struct pci_dev *npdev) -{ - struct device_node *dn; - struct pci_dev *gpdev; - - if (WARN_ON(!npdev)) - return NULL; - - if (WARN_ON(!npdev->dev.of_node)) - return NULL; - - /* Get assoicated PCI device */ - dn = of_parse_phandle(npdev->dev.of_node, "ibm,gpu", 0); - if (!dn) - return NULL; - - gpdev = get_pci_dev(dn); - of_node_put(dn); - - return gpdev; -} -EXPORT_SYMBOL(pnv_pci_get_gpu_dev); - -/* Given the real PCI device get a linked NPU device. */ -struct pci_dev *pnv_pci_get_npu_dev(struct pci_dev *gpdev, int index) -{ - struct device_node *dn; - struct pci_dev *npdev; - - if (WARN_ON(!gpdev)) - return NULL; - - /* Not all PCI devices have device-tree nodes */ - if (!gpdev->dev.of_node) - return NULL; - - /* Get assoicated PCI device */ - dn = of_parse_phandle(gpdev->dev.of_node, "ibm,npu", index); - if (!dn) - return NULL; - - npdev = get_pci_dev(dn); - of_node_put(dn); - - return npdev; -} -EXPORT_SYMBOL(pnv_pci_get_npu_dev); - -#ifdef CONFIG_IOMMU_API -/* - * Returns the PE assoicated with the PCI device of the given - * NPU. Returns the linked pci device if pci_dev != NULL. - */ -static struct pnv_ioda_pe *get_gpu_pci_dev_and_pe(struct pnv_ioda_pe *npe, - struct pci_dev **gpdev) -{ - struct pnv_phb *phb; - struct pci_controller *hose; - struct pci_dev *pdev; - struct pnv_ioda_pe *pe; - struct pci_dn *pdn; - - pdev = pnv_pci_get_gpu_dev(npe->pdev); - if (!pdev) - return NULL; - - pdn = pci_get_pdn(pdev); - if (WARN_ON(!pdn || pdn->pe_number == IODA_INVALID_PE)) - return NULL; - - hose = pci_bus_to_host(pdev->bus); - phb = hose->private_data; - pe = &phb->ioda.pe_array[pdn->pe_number]; - - if (gpdev) - *gpdev = pdev; - - return pe; -} - -static long pnv_npu_unset_window(struct iommu_table_group *table_group, - int num); - -static long pnv_npu_set_window(struct iommu_table_group *table_group, int num, - struct iommu_table *tbl) -{ - struct pnv_ioda_pe *npe = container_of(table_group, struct pnv_ioda_pe, - table_group); - struct pnv_phb *phb = npe->phb; - int64_t rc; - const unsigned long size = tbl->it_indirect_levels ? - tbl->it_level_size : tbl->it_size; - const __u64 start_addr = tbl->it_offset << tbl->it_page_shift; - const __u64 win_size = tbl->it_size << tbl->it_page_shift; - int num2 = (num == 0) ? 1 : 0; - - /* NPU has just one TVE so if there is another table, remove it first */ - if (npe->table_group.tables[num2]) - pnv_npu_unset_window(&npe->table_group, num2); - - pe_info(npe, "Setting up window %llx..%llx pg=%lx\n", - start_addr, start_addr + win_size - 1, - IOMMU_PAGE_SIZE(tbl)); - - rc = opal_pci_map_pe_dma_window(phb->opal_id, - npe->pe_number, - npe->pe_number, - tbl->it_indirect_levels + 1, - __pa(tbl->it_base), - size << 3, - IOMMU_PAGE_SIZE(tbl)); - if (rc) { - pe_err(npe, "Failed to configure TCE table, err %lld\n", rc); - return rc; - } - pnv_pci_ioda2_tce_invalidate_entire(phb, false); - - /* Add the table to the list so its TCE cache will get invalidated */ - pnv_pci_link_table_and_group(phb->hose->node, num, - tbl, &npe->table_group); - - return 0; -} - -static long pnv_npu_unset_window(struct iommu_table_group *table_group, int num) -{ - struct pnv_ioda_pe *npe = container_of(table_group, struct pnv_ioda_pe, - table_group); - struct pnv_phb *phb = npe->phb; - int64_t rc; - - if (!npe->table_group.tables[num]) - return 0; - - pe_info(npe, "Removing DMA window\n"); - - rc = opal_pci_map_pe_dma_window(phb->opal_id, npe->pe_number, - npe->pe_number, - 0/* levels */, 0/* table address */, - 0/* table size */, 0/* page size */); - if (rc) { - pe_err(npe, "Unmapping failed, ret = %lld\n", rc); - return rc; - } - pnv_pci_ioda2_tce_invalidate_entire(phb, false); - - pnv_pci_unlink_table_and_group(npe->table_group.tables[num], - &npe->table_group); - - return 0; -} - -/* Switch ownership from platform code to external user (e.g. VFIO) */ -static void pnv_npu_take_ownership(struct iommu_table_group *table_group) -{ - struct pnv_ioda_pe *npe = container_of(table_group, struct pnv_ioda_pe, - table_group); - struct pnv_phb *phb = npe->phb; - int64_t rc; - struct pci_dev *gpdev = NULL; - - /* - * Note: NPU has just a single TVE in the hardware which means that - * while used by the kernel, it can have either 32bit window or - * DMA bypass but never both. So we deconfigure 32bit window only - * if it was enabled at the moment of ownership change. - */ - if (npe->table_group.tables[0]) { - pnv_npu_unset_window(&npe->table_group, 0); - return; - } - - /* Disable bypass */ - rc = opal_pci_map_pe_dma_window_real(phb->opal_id, - npe->pe_number, npe->pe_number, - 0 /* bypass base */, 0); - if (rc) { - pe_err(npe, "Failed to disable bypass, err %lld\n", rc); - return; - } - pnv_pci_ioda2_tce_invalidate_entire(npe->phb, false); - - get_gpu_pci_dev_and_pe(npe, &gpdev); - if (gpdev) - pnv_npu2_unmap_lpar_dev(gpdev); -} - -static void pnv_npu_release_ownership(struct iommu_table_group *table_group) -{ - struct pnv_ioda_pe *npe = container_of(table_group, struct pnv_ioda_pe, - table_group); - struct pci_dev *gpdev = NULL; - - get_gpu_pci_dev_and_pe(npe, &gpdev); - if (gpdev) - pnv_npu2_map_lpar_dev(gpdev, 0, MSR_DR | MSR_PR | MSR_HV); -} - -static struct iommu_table_group_ops pnv_pci_npu_ops = { - .set_window = pnv_npu_set_window, - .unset_window = pnv_npu_unset_window, - .take_ownership = pnv_npu_take_ownership, - .release_ownership = pnv_npu_release_ownership, -}; -#endif /* !CONFIG_IOMMU_API */ - -/* - * NPU2 ATS - */ -/* Maximum possible number of ATSD MMIO registers per NPU */ -#define NV_NMMU_ATSD_REGS 8 -#define NV_NPU_MAX_PE_NUM 16 - -/* - * A compound NPU IOMMU group which might consist of 1 GPU + 2xNPUs (POWER8) or - * up to 3 x (GPU + 2xNPUs) (POWER9). - */ -struct npu_comp { - struct iommu_table_group table_group; - int pe_num; - struct pnv_ioda_pe *pe[NV_NPU_MAX_PE_NUM]; -}; - -/* An NPU descriptor, valid for POWER9 only */ -struct npu { - int index; - struct npu_comp npucomp; -}; - -#ifdef CONFIG_IOMMU_API -static long pnv_npu_peers_create_table_userspace( - struct iommu_table_group *table_group, - int num, __u32 page_shift, __u64 window_size, __u32 levels, - struct iommu_table **ptbl) -{ - struct npu_comp *npucomp = container_of(table_group, struct npu_comp, - table_group); - - if (!npucomp->pe_num || !npucomp->pe[0] || - !npucomp->pe[0]->table_group.ops || - !npucomp->pe[0]->table_group.ops->create_table) - return -EFAULT; - - return npucomp->pe[0]->table_group.ops->create_table( - &npucomp->pe[0]->table_group, num, page_shift, - window_size, levels, ptbl); -} - -static long pnv_npu_peers_set_window(struct iommu_table_group *table_group, - int num, struct iommu_table *tbl) -{ - int i, j; - long ret = 0; - struct npu_comp *npucomp = container_of(table_group, struct npu_comp, - table_group); - - for (i = 0; i < npucomp->pe_num; ++i) { - struct pnv_ioda_pe *pe = npucomp->pe[i]; - - if (!pe->table_group.ops->set_window) - continue; - - ret = pe->table_group.ops->set_window(&pe->table_group, - num, tbl); - if (ret) - break; - } - - if (ret) { - for (j = 0; j < i; ++j) { - struct pnv_ioda_pe *pe = npucomp->pe[j]; - - if (!pe->table_group.ops->unset_window) - continue; - - ret = pe->table_group.ops->unset_window( - &pe->table_group, num); - if (ret) - break; - } - } else { - table_group->tables[num] = iommu_tce_table_get(tbl); - } - - return ret; -} - -static long pnv_npu_peers_unset_window(struct iommu_table_group *table_group, - int num) -{ - int i, j; - long ret = 0; - struct npu_comp *npucomp = container_of(table_group, struct npu_comp, - table_group); - - for (i = 0; i < npucomp->pe_num; ++i) { - struct pnv_ioda_pe *pe = npucomp->pe[i]; - - WARN_ON(npucomp->table_group.tables[num] != - table_group->tables[num]); - if (!npucomp->table_group.tables[num]) - continue; - - if (!pe->table_group.ops->unset_window) - continue; - - ret = pe->table_group.ops->unset_window(&pe->table_group, num); - if (ret) - break; - } - - if (ret) { - for (j = 0; j < i; ++j) { - struct pnv_ioda_pe *pe = npucomp->pe[j]; - - if (!npucomp->table_group.tables[num]) - continue; - - if (!pe->table_group.ops->set_window) - continue; - - ret = pe->table_group.ops->set_window(&pe->table_group, - num, table_group->tables[num]); - if (ret) - break; - } - } else if (table_group->tables[num]) { - iommu_tce_table_put(table_group->tables[num]); - table_group->tables[num] = NULL; - } - - return ret; -} - -static void pnv_npu_peers_take_ownership(struct iommu_table_group *table_group) -{ - int i; - struct npu_comp *npucomp = container_of(table_group, struct npu_comp, - table_group); - - for (i = 0; i < npucomp->pe_num; ++i) { - struct pnv_ioda_pe *pe = npucomp->pe[i]; - - if (!pe->table_group.ops || - !pe->table_group.ops->take_ownership) - continue; - pe->table_group.ops->take_ownership(&pe->table_group); - } -} - -static void pnv_npu_peers_release_ownership( - struct iommu_table_group *table_group) -{ - int i; - struct npu_comp *npucomp = container_of(table_group, struct npu_comp, - table_group); - - for (i = 0; i < npucomp->pe_num; ++i) { - struct pnv_ioda_pe *pe = npucomp->pe[i]; - - if (!pe->table_group.ops || - !pe->table_group.ops->release_ownership) - continue; - pe->table_group.ops->release_ownership(&pe->table_group); - } -} - -static struct iommu_table_group_ops pnv_npu_peers_ops = { - .get_table_size = pnv_pci_ioda2_get_table_size, - .create_table = pnv_npu_peers_create_table_userspace, - .set_window = pnv_npu_peers_set_window, - .unset_window = pnv_npu_peers_unset_window, - .take_ownership = pnv_npu_peers_take_ownership, - .release_ownership = pnv_npu_peers_release_ownership, -}; - -static void pnv_comp_attach_table_group(struct npu_comp *npucomp, - struct pnv_ioda_pe *pe) -{ - if (WARN_ON(npucomp->pe_num == NV_NPU_MAX_PE_NUM)) - return; - - npucomp->pe[npucomp->pe_num] = pe; - ++npucomp->pe_num; -} - -static struct iommu_table_group * - pnv_try_setup_npu_table_group(struct pnv_ioda_pe *pe) -{ - struct iommu_table_group *compound_group; - struct npu_comp *npucomp; - struct pci_dev *gpdev = NULL; - struct pci_controller *hose; - struct pci_dev *npdev = NULL; - - list_for_each_entry(gpdev, &pe->pbus->devices, bus_list) { - npdev = pnv_pci_get_npu_dev(gpdev, 0); - if (npdev) - break; - } - - if (!npdev) - /* It is not an NPU attached device, skip */ - return NULL; - - hose = pci_bus_to_host(npdev->bus); - - if (hose->npu) { - /* P9 case: compound group is per-NPU (all gpus, all links) */ - npucomp = &hose->npu->npucomp; - } else { - /* P8 case: Compound group is per-GPU (1 gpu, 2 links) */ - npucomp = pe->npucomp = kzalloc(sizeof(*npucomp), GFP_KERNEL); - } - - compound_group = &npucomp->table_group; - if (!compound_group->group) { - compound_group->ops = &pnv_npu_peers_ops; - iommu_register_group(compound_group, hose->global_number, - pe->pe_number); - - /* Steal capabilities from a GPU PE */ - compound_group->max_dynamic_windows_supported = - pe->table_group.max_dynamic_windows_supported; - compound_group->tce32_start = pe->table_group.tce32_start; - compound_group->tce32_size = pe->table_group.tce32_size; - compound_group->max_levels = pe->table_group.max_levels; - if (!compound_group->pgsizes) - compound_group->pgsizes = pe->table_group.pgsizes; - } - - /* - * The gpu would have been added to the iommu group that's created - * for the PE. Pull it out now. - */ - iommu_del_device(&gpdev->dev); - - /* - * I'm not sure this is strictly required, but it's probably a good idea - * since the table_group for the PE is going to be attached to the - * compound table group. If we leave the PE's iommu group active then - * we might have the same table_group being modifiable via two sepeate - * iommu groups. - */ - iommu_group_put(pe->table_group.group); - - /* now put the GPU into the compound group */ - pnv_comp_attach_table_group(npucomp, pe); - iommu_add_device(compound_group, &gpdev->dev); - - return compound_group; -} - -static struct iommu_table_group *pnv_npu_compound_attach(struct pnv_ioda_pe *pe) -{ - struct iommu_table_group *table_group; - struct npu_comp *npucomp; - struct pci_dev *gpdev = NULL; - struct pci_dev *npdev; - struct pnv_ioda_pe *gpe = get_gpu_pci_dev_and_pe(pe, &gpdev); - - WARN_ON(!(pe->flags & PNV_IODA_PE_DEV)); - if (!gpe) - return NULL; - - /* - * IODA2 bridges get this set up from pci_controller_ops::setup_bridge - * but NPU bridges do not have this hook defined so we do it here. - * We do not setup other table group parameters as they won't be used - * anyway - NVLink bridges are subordinate PEs. - */ - pe->table_group.ops = &pnv_pci_npu_ops; - - table_group = iommu_group_get_iommudata( - iommu_group_get(&gpdev->dev)); - - /* - * On P9 NPU PHB and PCI PHB support different page sizes, - * keep only matching. We expect here that NVLink bridge PE pgsizes is - * initialized by the caller. - */ - table_group->pgsizes &= pe->table_group.pgsizes; - npucomp = container_of(table_group, struct npu_comp, table_group); - pnv_comp_attach_table_group(npucomp, pe); - - list_for_each_entry(npdev, &pe->phb->hose->bus->devices, bus_list) { - struct pci_dev *gpdevtmp = pnv_pci_get_gpu_dev(npdev); - - if (gpdevtmp != gpdev) - continue; - - iommu_add_device(table_group, &npdev->dev); - } - - return table_group; -} - -void pnv_pci_npu_setup_iommu_groups(void) -{ - struct pci_controller *hose; - struct pnv_phb *phb; - struct pnv_ioda_pe *pe; - - /* - * For non-nvlink devices the IOMMU group is registered when the PE is - * configured and devices are added to the group when the per-device - * DMA setup is run. That's done in hose->ops.dma_dev_setup() which is - * only initialise for "normal" IODA PHBs. - * - * For NVLink devices we need to ensure the NVLinks and the GPU end up - * in the same IOMMU group, so that's handled here. - */ - list_for_each_entry(hose, &hose_list, list_node) { - phb = hose->private_data; - - if (phb->type == PNV_PHB_IODA2) - list_for_each_entry(pe, &phb->ioda.pe_list, list) - pnv_try_setup_npu_table_group(pe); - } - - /* - * Now we have all PHBs discovered, time to add NPU devices to - * the corresponding IOMMU groups. - */ - list_for_each_entry(hose, &hose_list, list_node) { - unsigned long pgsizes; - - phb = hose->private_data; - - if (phb->type != PNV_PHB_NPU_NVLINK) - continue; - - pgsizes = pnv_ioda_parse_tce_sizes(phb); - list_for_each_entry(pe, &phb->ioda.pe_list, list) { - /* - * IODA2 bridges get this set up from - * pci_controller_ops::setup_bridge but NPU bridges - * do not have this hook defined so we do it here. - */ - pe->table_group.pgsizes = pgsizes; - pnv_npu_compound_attach(pe); - } - } -} -#endif /* CONFIG_IOMMU_API */ - -int pnv_npu2_init(struct pci_controller *hose) -{ - static int npu_index; - struct npu *npu; - int ret; - - npu = kzalloc(sizeof(*npu), GFP_KERNEL); - if (!npu) - return -ENOMEM; - - npu_index++; - if (WARN_ON(npu_index >= NV_MAX_NPUS)) { - ret = -ENOSPC; - goto fail_exit; - } - npu->index = npu_index; - hose->npu = npu; - - return 0; - -fail_exit: - kfree(npu); - return ret; -} - -int pnv_npu2_map_lpar_dev(struct pci_dev *gpdev, unsigned int lparid, - unsigned long msr) -{ - int ret; - struct pci_dev *npdev = pnv_pci_get_npu_dev(gpdev, 0); - struct pci_controller *hose; - struct pnv_phb *nphb; - - if (!npdev) - return -ENODEV; - - hose = pci_bus_to_host(npdev->bus); - if (hose->npu == NULL) { - dev_info_once(&npdev->dev, "Nvlink1 does not support contexts"); - return 0; - } - - nphb = hose->private_data; - - dev_dbg(&gpdev->dev, "Map LPAR opalid=%llu lparid=%u\n", - nphb->opal_id, lparid); - /* - * Currently we only support radix and non-zero LPCR only makes sense - * for hash tables so skiboot expects the LPCR parameter to be a zero. - */ - ret = opal_npu_map_lpar(nphb->opal_id, pci_dev_id(gpdev), lparid, - 0 /* LPCR bits */); - if (ret) { - dev_err(&gpdev->dev, "Error %d mapping device to LPAR\n", ret); - return ret; - } - - dev_dbg(&gpdev->dev, "init context opalid=%llu msr=%lx\n", - nphb->opal_id, msr); - ret = opal_npu_init_context(nphb->opal_id, 0/*__unused*/, msr, - pci_dev_id(gpdev)); - if (ret < 0) - dev_err(&gpdev->dev, "Failed to init context: %d\n", ret); - else - ret = 0; - - return 0; -} -EXPORT_SYMBOL_GPL(pnv_npu2_map_lpar_dev); - -void pnv_npu2_map_lpar(struct pnv_ioda_pe *gpe, unsigned long msr) -{ - struct pci_dev *gpdev; - - list_for_each_entry(gpdev, &gpe->pbus->devices, bus_list) - pnv_npu2_map_lpar_dev(gpdev, 0, msr); -} - -int pnv_npu2_unmap_lpar_dev(struct pci_dev *gpdev) -{ - int ret; - struct pci_dev *npdev = pnv_pci_get_npu_dev(gpdev, 0); - struct pci_controller *hose; - struct pnv_phb *nphb; - - if (!npdev) - return -ENODEV; - - hose = pci_bus_to_host(npdev->bus); - if (hose->npu == NULL) { - dev_info_once(&npdev->dev, "Nvlink1 does not support contexts"); - return 0; - } - - nphb = hose->private_data; - - dev_dbg(&gpdev->dev, "destroy context opalid=%llu\n", - nphb->opal_id); - ret = opal_npu_destroy_context(nphb->opal_id, 0/*__unused*/, - pci_dev_id(gpdev)); - if (ret < 0) { - dev_err(&gpdev->dev, "Failed to destroy context: %d\n", ret); - return ret; - } - - /* Set LPID to 0 anyway, just to be safe */ - dev_dbg(&gpdev->dev, "Map LPAR opalid=%llu lparid=0\n", nphb->opal_id); - ret = opal_npu_map_lpar(nphb->opal_id, pci_dev_id(gpdev), 0 /*LPID*/, - 0 /* LPCR bits */); - if (ret) - dev_err(&gpdev->dev, "Error %d mapping device to LPAR\n", ret); - - return ret; -} -EXPORT_SYMBOL_GPL(pnv_npu2_unmap_lpar_dev); diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c index 5cd0f52d258f..01401e3da7ca 100644 --- a/arch/powerpc/platforms/powernv/opal-call.c +++ b/arch/powerpc/platforms/powernv/opal-call.c @@ -267,8 +267,6 @@ OPAL_CALL(opal_xive_get_queue_state, OPAL_XIVE_GET_QUEUE_STATE); OPAL_CALL(opal_xive_set_queue_state, OPAL_XIVE_SET_QUEUE_STATE); OPAL_CALL(opal_xive_get_vp_state, OPAL_XIVE_GET_VP_STATE); OPAL_CALL(opal_signal_system_reset, OPAL_SIGNAL_SYSTEM_RESET); -OPAL_CALL(opal_npu_init_context, OPAL_NPU_INIT_CONTEXT); -OPAL_CALL(opal_npu_destroy_context, OPAL_NPU_DESTROY_CONTEXT); OPAL_CALL(opal_npu_map_lpar, OPAL_NPU_MAP_LPAR); OPAL_CALL(opal_imc_counters_init, OPAL_IMC_COUNTERS_INIT); OPAL_CALL(opal_imc_counters_start, OPAL_IMC_COUNTERS_START); diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 66c3c3337334..7de464679292 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -47,8 +47,7 @@ #define PNV_IODA1_M64_SEGS 8 /* Segments per M64 BAR */ #define PNV_IODA1_DMA32_SEGSIZE 0x10000000 -static const char * const pnv_phb_names[] = { "IODA1", "IODA2", "NPU_NVLINK", - "NPU_OCAPI" }; +static const char * const pnv_phb_names[] = { "IODA1", "IODA2", "NPU_OCAPI" }; static void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable); static void pnv_pci_configure_bus(struct pci_bus *bus); @@ -192,8 +191,6 @@ void pnv_ioda_free_pe(struct pnv_ioda_pe *pe) unsigned int pe_num = pe->pe_number; WARN_ON(pe->pdev); - WARN_ON(pe->npucomp); /* NPUs for nvlink are not supposed to be freed */ - kfree(pe->npucomp); memset(pe, 0, sizeof(struct pnv_ioda_pe)); mutex_lock(&phb->ioda.pe_alloc_mutex); @@ -875,7 +872,7 @@ int pnv_ioda_deconfigure_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe) * Release from all parents PELT-V. NPUs don't have a PELTV * table */ - if (phb->type != PNV_PHB_NPU_NVLINK && phb->type != PNV_PHB_NPU_OCAPI) + if (phb->type != PNV_PHB_NPU_OCAPI) pnv_ioda_unset_peltv(phb, pe, parent); rc = opal_pci_set_pe(phb->opal_id, pe->pe_number, pe->rid, @@ -946,7 +943,7 @@ int pnv_ioda_configure_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe) * Configure PELTV. NPUs don't have a PELTV table so skip * configuration on them. */ - if (phb->type != PNV_PHB_NPU_NVLINK && phb->type != PNV_PHB_NPU_OCAPI) + if (phb->type != PNV_PHB_NPU_OCAPI) pnv_ioda_set_peltv(phb, pe, true); /* Setup reverse map */ @@ -1002,8 +999,7 @@ static struct pnv_ioda_pe *pnv_ioda_setup_dev_PE(struct pci_dev *dev) /* NOTE: We don't get a reference for the pointer in the PE * data structure, both the device and PE structures should be - * destroyed at the same time. However, removing nvlink - * devices will need some work. + * destroyed at the same time. * * At some point we want to remove the PDN completely anyways */ @@ -1099,113 +1095,6 @@ static struct pnv_ioda_pe *pnv_ioda_setup_bus_PE(struct pci_bus *bus, bool all) return pe; } -static struct pnv_ioda_pe *pnv_ioda_setup_npu_PE(struct pci_dev *npu_pdev) -{ - int pe_num, found_pe = false, rc; - long rid; - struct pnv_ioda_pe *pe; - struct pci_dev *gpu_pdev; - struct pci_dn *npu_pdn; - struct pnv_phb *phb = pci_bus_to_pnvhb(npu_pdev->bus); - - /* - * Intentionally leak a reference on the npu device (for - * nvlink only; this is not an opencapi path) to make sure it - * never goes away, as it's been the case all along and some - * work is needed otherwise. - */ - pci_dev_get(npu_pdev); - - /* - * Due to a hardware errata PE#0 on the NPU is reserved for - * error handling. This means we only have three PEs remaining - * which need to be assigned to four links, implying some - * links must share PEs. - * - * To achieve this we assign PEs such that NPUs linking the - * same GPU get assigned the same PE. - */ - gpu_pdev = pnv_pci_get_gpu_dev(npu_pdev); - for (pe_num = 0; pe_num < phb->ioda.total_pe_num; pe_num++) { - pe = &phb->ioda.pe_array[pe_num]; - if (!pe->pdev) - continue; - - if (pnv_pci_get_gpu_dev(pe->pdev) == gpu_pdev) { - /* - * This device has the same peer GPU so should - * be assigned the same PE as the existing - * peer NPU. - */ - dev_info(&npu_pdev->dev, - "Associating to existing PE %x\n", pe_num); - npu_pdn = pci_get_pdn(npu_pdev); - rid = npu_pdev->bus->number << 8 | npu_pdn->devfn; - npu_pdn->pe_number = pe_num; - phb->ioda.pe_rmap[rid] = pe->pe_number; - pe->device_count++; - - /* Map the PE to this link */ - rc = opal_pci_set_pe(phb->opal_id, pe_num, rid, - OpalPciBusAll, - OPAL_COMPARE_RID_DEVICE_NUMBER, - OPAL_COMPARE_RID_FUNCTION_NUMBER, - OPAL_MAP_PE); - WARN_ON(rc != OPAL_SUCCESS); - found_pe = true; - break; - } - } - - if (!found_pe) - /* - * Could not find an existing PE so allocate a new - * one. - */ - return pnv_ioda_setup_dev_PE(npu_pdev); - else - return pe; -} - -static void pnv_ioda_setup_npu_PEs(struct pci_bus *bus) -{ - struct pci_dev *pdev; - - list_for_each_entry(pdev, &bus->devices, bus_list) - pnv_ioda_setup_npu_PE(pdev); -} - -static void pnv_pci_ioda_setup_nvlink(void) -{ - struct pci_controller *hose; - struct pnv_phb *phb; - struct pnv_ioda_pe *pe; - - list_for_each_entry(hose, &hose_list, list_node) { - phb = hose->private_data; - if (phb->type == PNV_PHB_NPU_NVLINK) { - /* PE#0 is needed for error reporting */ - pnv_ioda_reserve_pe(phb, 0); - pnv_ioda_setup_npu_PEs(hose->bus); - if (phb->model == PNV_PHB_MODEL_NPU2) - WARN_ON_ONCE(pnv_npu2_init(hose)); - } - } - list_for_each_entry(hose, &hose_list, list_node) { - phb = hose->private_data; - if (phb->type != PNV_PHB_IODA2) - continue; - - list_for_each_entry(pe, &phb->ioda.pe_list, list) - pnv_npu2_map_lpar(pe, MSR_DR | MSR_PR | MSR_HV); - } - -#ifdef CONFIG_IOMMU_API - /* setup iommu groups so we can do nvlink pass-thru */ - pnv_pci_npu_setup_iommu_groups(); -#endif -} - static void pnv_pci_ioda1_setup_dma_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe); @@ -1468,18 +1357,6 @@ static struct iommu_table_ops pnv_ioda1_iommu_ops = { #define PHB3_TCE_KILL_INVAL_PE PPC_BIT(1) #define PHB3_TCE_KILL_INVAL_ONE PPC_BIT(2) -static void pnv_pci_phb3_tce_invalidate_entire(struct pnv_phb *phb, bool rm) -{ - __be64 __iomem *invalidate = pnv_ioda_get_inval_reg(phb, rm); - const unsigned long val = PHB3_TCE_KILL_INVAL_ALL; - - mb(); /* Ensure previous TCE table stores are visible */ - if (rm) - __raw_rm_writeq_be(val, invalidate); - else - __raw_writeq_be(val, invalidate); -} - static inline void pnv_pci_phb3_tce_invalidate_pe(struct pnv_ioda_pe *pe) { /* 01xb - invalidate TCEs that match the specified PE# */ @@ -1539,20 +1416,6 @@ static void pnv_pci_ioda2_tce_invalidate(struct iommu_table *tbl, struct pnv_phb *phb = pe->phb; unsigned int shift = tbl->it_page_shift; - /* - * NVLink1 can use the TCE kill register directly as - * it's the same as PHB3. NVLink2 is different and - * should go via the OPAL call. - */ - if (phb->model == PNV_PHB_MODEL_NPU) { - /* - * The NVLink hardware does not support TCE kill - * per TCE entry so we have to invalidate - * the entire cache for it. - */ - pnv_pci_phb3_tce_invalidate_entire(phb, rm); - continue; - } if (phb->model == PNV_PHB_MODEL_PHB3 && phb->regs) pnv_pci_phb3_tce_invalidate(pe, rm, shift, index, npages); @@ -1564,14 +1427,6 @@ static void pnv_pci_ioda2_tce_invalidate(struct iommu_table *tbl, } } -void pnv_pci_ioda2_tce_invalidate_entire(struct pnv_phb *phb, bool rm) -{ - if (phb->model == PNV_PHB_MODEL_NPU || phb->model == PNV_PHB_MODEL_PHB3) - pnv_pci_phb3_tce_invalidate_entire(phb, rm); - else - opal_pci_tce_kill(phb->opal_id, OPAL_PCI_TCE_KILL, 0, 0, 0, 0); -} - static int pnv_ioda2_tce_build(struct iommu_table *tbl, long index, long npages, unsigned long uaddr, enum dma_data_direction direction, @@ -2451,7 +2306,6 @@ static void pnv_pci_enable_bridges(void) static void pnv_pci_ioda_fixup(void) { - pnv_pci_ioda_setup_nvlink(); pnv_pci_ioda_create_dbgfs(); pnv_pci_enable_bridges(); @@ -2824,15 +2678,6 @@ static void pnv_pci_release_device(struct pci_dev *pdev) pnv_ioda_release_pe(pe); } -static void pnv_npu_disable_device(struct pci_dev *pdev) -{ - struct eeh_dev *edev = pci_dev_to_eeh_dev(pdev); - struct eeh_pe *eehpe = edev ? edev->pe : NULL; - - if (eehpe && eeh_ops && eeh_ops->reset) - eeh_ops->reset(eehpe, EEH_RESET_HOT); -} - static void pnv_pci_ioda_shutdown(struct pci_controller *hose) { struct pnv_phb *phb = hose->private_data; @@ -2874,16 +2719,6 @@ static const struct pci_controller_ops pnv_pci_ioda_controller_ops = { .shutdown = pnv_pci_ioda_shutdown, }; -static const struct pci_controller_ops pnv_npu_ioda_controller_ops = { - .setup_msi_irqs = pnv_setup_msi_irqs, - .teardown_msi_irqs = pnv_teardown_msi_irqs, - .enable_device_hook = pnv_pci_enable_device_hook, - .window_alignment = pnv_pci_window_alignment, - .reset_secondary_bus = pnv_pci_reset_secondary_bus, - .shutdown = pnv_pci_ioda_shutdown, - .disable_device = pnv_npu_disable_device, -}; - static const struct pci_controller_ops pnv_npu_ocapi_ioda_controller_ops = { .enable_device_hook = pnv_ocapi_enable_device_hook, .release_device = pnv_pci_release_device, @@ -2957,10 +2792,6 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, phb->model = PNV_PHB_MODEL_P7IOC; else if (of_device_is_compatible(np, "ibm,power8-pciex")) phb->model = PNV_PHB_MODEL_PHB3; - else if (of_device_is_compatible(np, "ibm,power8-npu-pciex")) - phb->model = PNV_PHB_MODEL_NPU; - else if (of_device_is_compatible(np, "ibm,power9-npu-pciex")) - phb->model = PNV_PHB_MODEL_NPU2; else phb->model = PNV_PHB_MODEL_UNKNOWN; @@ -3118,9 +2949,6 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, ppc_md.pcibios_fixup = pnv_pci_ioda_fixup; switch (phb->type) { - case PNV_PHB_NPU_NVLINK: - hose->controller_ops = pnv_npu_ioda_controller_ops; - break; case PNV_PHB_NPU_OCAPI: hose->controller_ops = pnv_npu_ocapi_ioda_controller_ops; break; @@ -3173,11 +3001,6 @@ void __init pnv_pci_init_ioda2_phb(struct device_node *np) pnv_pci_init_ioda_phb(np, 0, PNV_PHB_IODA2); } -void __init pnv_pci_init_npu_phb(struct device_node *np) -{ - pnv_pci_init_ioda_phb(np, 0, PNV_PHB_NPU_NVLINK); -} - void __init pnv_pci_init_npu2_opencapi_phb(struct device_node *np) { pnv_pci_init_ioda_phb(np, 0, PNV_PHB_NPU_OCAPI); diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 9b9bca169275..b18468dc31ff 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -926,17 +926,6 @@ void __init pnv_pci_init(void) for_each_compatible_node(np, NULL, "ibm,ioda3-phb") pnv_pci_init_ioda2_phb(np); - /* Look for NPU PHBs */ - for_each_compatible_node(np, NULL, "ibm,ioda2-npu-phb") - pnv_pci_init_npu_phb(np); - - /* - * Look for NPU2 PHBs which we treat mostly as NPU PHBs with - * the exception of TCE kill which requires an OPAL call. - */ - for_each_compatible_node(np, NULL, "ibm,ioda2-npu2-phb") - pnv_pci_init_npu_phb(np); - /* Look for NPU2 OpenCAPI PHBs */ for_each_compatible_node(np, NULL, "ibm,ioda2-npu2-opencapi-phb") pnv_pci_init_npu2_opencapi_phb(np); diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 36d22920f5a3..c8d4f222a86f 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -10,10 +10,9 @@ struct pci_dn; enum pnv_phb_type { - PNV_PHB_IODA1 = 0, - PNV_PHB_IODA2 = 1, - PNV_PHB_NPU_NVLINK = 2, - PNV_PHB_NPU_OCAPI = 3, + PNV_PHB_IODA1, + PNV_PHB_IODA2, + PNV_PHB_NPU_OCAPI, }; /* Precise PHB model for error management */ @@ -21,8 +20,6 @@ enum pnv_phb_model { PNV_PHB_MODEL_UNKNOWN, PNV_PHB_MODEL_P7IOC, PNV_PHB_MODEL_PHB3, - PNV_PHB_MODEL_NPU, - PNV_PHB_MODEL_NPU2, }; #define PNV_PCI_DIAG_BUF_SIZE 8192 @@ -81,7 +78,6 @@ struct pnv_ioda_pe { /* "Base" iommu table, ie, 4K TCEs, 32-bit DMA */ struct iommu_table_group table_group; - struct npu_comp *npucomp; /* 64-bit TCE bypass region */ bool tce_bypass_enabled; @@ -289,9 +285,7 @@ extern struct iommu_table *pnv_pci_table_alloc(int nid); extern void pnv_pci_init_ioda_hub(struct device_node *np); extern void pnv_pci_init_ioda2_phb(struct device_node *np); -extern void pnv_pci_init_npu_phb(struct device_node *np); extern void pnv_pci_init_npu2_opencapi_phb(struct device_node *np); -extern void pnv_npu2_map_lpar(struct pnv_ioda_pe *gpe, unsigned long msr); extern void pnv_pci_reset_secondary_bus(struct pci_dev *dev); extern int pnv_eeh_phb_reset(struct pci_controller *hose, int option); @@ -314,11 +308,6 @@ extern void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level, #define pe_info(pe, fmt, ...) \ pe_level_printk(pe, KERN_INFO, fmt, ##__VA_ARGS__) -/* Nvlink functions */ -extern void pnv_npu_try_dma_set_bypass(struct pci_dev *gpdev, bool bypass); -extern void pnv_pci_ioda2_tce_invalidate_entire(struct pnv_phb *phb, bool rm); -extern void pnv_pci_npu_setup_iommu_groups(void); - /* pci-ioda-tce.c */ #define POWERNV_IOMMU_DEFAULT_LEVELS 2 #define POWERNV_IOMMU_MAX_LEVELS 5 diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c index 1bffbd1c9a94..3b6800f774c2 100644 --- a/arch/powerpc/platforms/pseries/pci.c +++ b/arch/powerpc/platforms/pseries/pci.c @@ -224,8 +224,6 @@ static void __init pSeries_request_regions(void) void __init pSeries_final_fixup(void) { - struct pci_controller *hose; - pSeries_request_regions(); eeh_show_enabled(); @@ -234,27 +232,6 @@ void __init pSeries_final_fixup(void) ppc_md.pcibios_sriov_enable = pseries_pcibios_sriov_enable; ppc_md.pcibios_sriov_disable = pseries_pcibios_sriov_disable; #endif - list_for_each_entry(hose, &hose_list, list_node) { - struct device_node *dn = hose->dn, *nvdn; - - while (1) { - dn = of_find_all_nodes(dn); - if (!dn) - break; - nvdn = of_parse_phandle(dn, "ibm,nvlink", 0); - if (!nvdn) - continue; - if (!of_device_is_compatible(nvdn, "ibm,npu-link")) - continue; - if (!of_device_is_compatible(nvdn->parent, - "ibm,power9-npu")) - continue; -#ifdef CONFIG_PPC_POWERNV - WARN_ON_ONCE(pnv_npu2_init(hose)); -#endif - break; - } - } } /* diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index d72989591223..b4c7c34069f8 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -140,6 +140,7 @@ config S390 select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN select HAVE_ARCH_KASAN_VMALLOC + select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_SOFT_DIRTY select HAVE_ARCH_TRACEHOOK diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 6422618a4f75..86afcc6b56bf 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -387,6 +387,7 @@ CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m CONFIG_PCI=y +CONFIG_PCI_IOV=y # CONFIG_PCIEASPM is not set CONFIG_PCI_DEBUG=y CONFIG_HOTPLUG_PCI=y @@ -548,7 +549,7 @@ CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set CONFIG_LEGACY_PTY_COUNT=0 -CONFIG_VIRTIO_CONSOLE=y +CONFIG_VIRTIO_CONSOLE=m CONFIG_HW_RANDOM_VIRTIO=m CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 371a529546aa..71b49ea5b058 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -377,6 +377,7 @@ CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m CONFIG_PCI=y +CONFIG_PCI_IOV=y # CONFIG_PCIEASPM is not set CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_S390=y @@ -540,7 +541,7 @@ CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set CONFIG_LEGACY_PTY_COUNT=0 -CONFIG_VIRTIO_CONSOLE=y +CONFIG_VIRTIO_CONSOLE=m CONFIG_HW_RANDOM_VIRTIO=m CONFIG_RAW_DRIVER=m CONFIG_HANGCHECK_TIMER=m diff --git a/arch/s390/include/asm/cpu_mcf.h b/arch/s390/include/asm/cpu_mcf.h index 649b9fc60685..3e4cbcb7c4cc 100644 --- a/arch/s390/include/asm/cpu_mcf.h +++ b/arch/s390/include/asm/cpu_mcf.h @@ -123,4 +123,6 @@ static inline int stccm_avail(void) return test_facility(142); } +size_t cpum_cf_ctrset_size(enum cpumf_ctr_set ctrset, + struct cpumf_ctr_info *info); #endif /* _ASM_S390_CPU_MCF_H */ diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h index 9cceb26ed63f..baa8005090c3 100644 --- a/arch/s390/include/asm/entry-common.h +++ b/arch/s390/include/asm/entry-common.h @@ -4,9 +4,11 @@ #include <linux/sched.h> #include <linux/audit.h> +#include <linux/randomize_kstack.h> #include <linux/tracehook.h> #include <linux/processor.h> #include <linux/uaccess.h> +#include <asm/timex.h> #include <asm/fpu/api.h> #define ARCH_EXIT_TO_USER_MODE_WORK (_TIF_GUARDED_STORAGE | _TIF_PER_TRAP) @@ -48,6 +50,14 @@ static __always_inline void arch_exit_to_user_mode(void) #define arch_exit_to_user_mode arch_exit_to_user_mode +static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs, + unsigned long ti_work) +{ + choose_random_kstack_offset(get_tod_clock_fast() & 0xff); +} + +#define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare + static inline bool on_thread_stack(void) { return !(((unsigned long)(current->stack) ^ current_stack_pointer()) & ~(THREAD_SIZE - 1)); diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h index 28664ee0abc1..e3882b012bfa 100644 --- a/arch/s390/include/asm/io.h +++ b/arch/s390/include/asm/io.h @@ -20,11 +20,6 @@ void *xlate_dev_mem_ptr(phys_addr_t phys); #define unxlate_dev_mem_ptr unxlate_dev_mem_ptr void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr); -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - #define IO_SPACE_LIMIT 0 void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot); diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 35c2af9371a9..10b67f8aab99 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -204,7 +204,7 @@ extern unsigned int s390_pci_no_rid; struct zpci_dev *zpci_create_device(u32 fid, u32 fh, enum zpci_state state); int zpci_enable_device(struct zpci_dev *); int zpci_disable_device(struct zpci_dev *); -int zpci_configure_device(struct zpci_dev *zdev, u32 fh); +int zpci_scan_configured_device(struct zpci_dev *zdev, u32 fh); int zpci_deconfigure_device(struct zpci_dev *zdev); int zpci_register_ioat(struct zpci_dev *, u8, u64, u64, u64); diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index b3beef64d3d4..31a605bcbc6e 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -230,9 +230,7 @@ static int __hw_perf_event_init(struct perf_event *event, unsigned int type) /* No support for kernel space counters only */ } else if (!attr->exclude_kernel && attr->exclude_user) { return -EOPNOTSUPP; - - /* Count user and kernel space */ - } else { + } else { /* Count user and kernel space */ if (ev >= ARRAY_SIZE(cpumf_generic_events_basic)) return -EOPNOTSUPP; ev = cpumf_generic_events_basic[ev]; @@ -402,12 +400,12 @@ static void cpumf_pmu_stop(struct perf_event *event, int flags) */ if (!atomic_dec_return(&cpuhw->ctr_set[hwc->config_base])) ctr_set_stop(&cpuhw->state, hwc->config_base); - event->hw.state |= PERF_HES_STOPPED; + hwc->state |= PERF_HES_STOPPED; } if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) { hw_perf_event_update(event); - event->hw.state |= PERF_HES_UPTODATE; + hwc->state |= PERF_HES_UPTODATE; } } @@ -430,8 +428,6 @@ static int cpumf_pmu_add(struct perf_event *event, int flags) if (flags & PERF_EF_START) cpumf_pmu_start(event, PERF_EF_RELOAD); - perf_event_update_userpage(event); - return 0; } @@ -451,8 +447,6 @@ static void cpumf_pmu_del(struct perf_event *event, int flags) */ if (!atomic_read(&cpuhw->ctr_set[event->hw.config_base])) ctr_set_disable(&cpuhw->state, event->hw.config_base); - - perf_event_update_userpage(event); } /* diff --git a/arch/s390/kernel/perf_cpum_cf_common.c b/arch/s390/kernel/perf_cpum_cf_common.c index 3bced89caffb..6d53215c8484 100644 --- a/arch/s390/kernel/perf_cpum_cf_common.c +++ b/arch/s390/kernel/perf_cpum_cf_common.c @@ -170,6 +170,52 @@ static int cpum_cf_offline_cpu(unsigned int cpu) return cpum_cf_setup(cpu, PMC_RELEASE); } +/* Return the maximum possible counter set size (in number of 8 byte counters) + * depending on type and model number. + */ +size_t cpum_cf_ctrset_size(enum cpumf_ctr_set ctrset, + struct cpumf_ctr_info *info) +{ + size_t ctrset_size = 0; + + switch (ctrset) { + case CPUMF_CTR_SET_BASIC: + if (info->cfvn >= 1) + ctrset_size = 6; + break; + case CPUMF_CTR_SET_USER: + if (info->cfvn == 1) + ctrset_size = 6; + else if (info->cfvn >= 3) + ctrset_size = 2; + break; + case CPUMF_CTR_SET_CRYPTO: + if (info->csvn >= 1 && info->csvn <= 5) + ctrset_size = 16; + else if (info->csvn == 6) + ctrset_size = 20; + break; + case CPUMF_CTR_SET_EXT: + if (info->csvn == 1) + ctrset_size = 32; + else if (info->csvn == 2) + ctrset_size = 48; + else if (info->csvn >= 3 && info->csvn <= 5) + ctrset_size = 128; + else if (info->csvn == 6) + ctrset_size = 160; + break; + case CPUMF_CTR_SET_MT_DIAG: + if (info->csvn > 3) + ctrset_size = 48; + break; + case CPUMF_CTR_SET_MAX: + break; + } + + return ctrset_size; +} + static int __init cpum_cf_init(void) { int rc; diff --git a/arch/s390/kernel/perf_cpum_cf_diag.c b/arch/s390/kernel/perf_cpum_cf_diag.c index 2e3e7edbe3a0..08c985c1097c 100644 --- a/arch/s390/kernel/perf_cpum_cf_diag.c +++ b/arch/s390/kernel/perf_cpum_cf_diag.c @@ -316,52 +316,6 @@ static void cf_diag_read(struct perf_event *event) debug_sprintf_event(cf_diag_dbg, 5, "%s event %p\n", __func__, event); } -/* Return the maximum possible counter set size (in number of 8 byte counters) - * depending on type and model number. - */ -static size_t cf_diag_ctrset_size(enum cpumf_ctr_set ctrset, - struct cpumf_ctr_info *info) -{ - size_t ctrset_size = 0; - - switch (ctrset) { - case CPUMF_CTR_SET_BASIC: - if (info->cfvn >= 1) - ctrset_size = 6; - break; - case CPUMF_CTR_SET_USER: - if (info->cfvn == 1) - ctrset_size = 6; - else if (info->cfvn >= 3) - ctrset_size = 2; - break; - case CPUMF_CTR_SET_CRYPTO: - if (info->csvn >= 1 && info->csvn <= 5) - ctrset_size = 16; - else if (info->csvn == 6) - ctrset_size = 20; - break; - case CPUMF_CTR_SET_EXT: - if (info->csvn == 1) - ctrset_size = 32; - else if (info->csvn == 2) - ctrset_size = 48; - else if (info->csvn >= 3 && info->csvn <= 5) - ctrset_size = 128; - else if (info->csvn == 6) - ctrset_size = 160; - break; - case CPUMF_CTR_SET_MT_DIAG: - if (info->csvn > 3) - ctrset_size = 48; - break; - case CPUMF_CTR_SET_MAX: - break; - } - - return ctrset_size; -} - /* Calculate memory needed to store all counter sets together with header and * trailer data. This is independend of the counter set authorization which * can vary depending on the configuration. @@ -372,7 +326,7 @@ static size_t cf_diag_ctrset_maxsize(struct cpumf_ctr_info *info) enum cpumf_ctr_set i; for (i = CPUMF_CTR_SET_BASIC; i < CPUMF_CTR_SET_MAX; ++i) { - size_t size = cf_diag_ctrset_size(i, info); + size_t size = cpum_cf_ctrset_size(i, info); if (size) max_size += size * sizeof(u64) + @@ -405,7 +359,7 @@ static size_t cf_diag_getctrset(struct cf_ctrset_entry *ctrdata, int ctrset, ctrdata->def = CF_DIAG_CTRSET_DEF; ctrdata->set = ctrset; ctrdata->res1 = 0; - ctrset_size = cf_diag_ctrset_size(ctrset, &cpuhw->info); + ctrset_size = cpum_cf_ctrset_size(ctrset, &cpuhw->info); if (ctrset_size) { /* Save data */ need = ctrset_size * sizeof(u64) + sizeof(*ctrdata); @@ -845,7 +799,7 @@ static void cf_diag_cpu_read(void *parm) if (!(p->sets & cpumf_ctr_ctl[set])) continue; /* Counter set not in list */ - set_size = cf_diag_ctrset_size(set, &cpuhw->info); + set_size = cpum_cf_ctrset_size(set, &cpuhw->info); space = sizeof(csd->data) - csd->used; space = cf_diag_cpuset_read(sp, set, set_size, space); if (space) { @@ -975,7 +929,7 @@ static size_t cf_diag_needspace(unsigned int sets) for (i = CPUMF_CTR_SET_BASIC; i < CPUMF_CTR_SET_MAX; ++i) { if (!(sets & cpumf_ctr_ctl[i])) continue; - bytes += cf_diag_ctrset_size(i, &cpuhw->info) * sizeof(u64) + + bytes += cpum_cf_ctrset_size(i, &cpuhw->info) * sizeof(u64) + sizeof(((struct s390_ctrset_setdata *)0)->set) + sizeof(((struct s390_ctrset_setdata *)0)->no_cnts); } diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 72134f9f6ff5..5aab59ad5688 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -937,9 +937,9 @@ static int __init setup_hwcaps(void) if (MACHINE_HAS_VX) { elf_hwcap |= HWCAP_S390_VXRS; if (test_facility(134)) - elf_hwcap |= HWCAP_S390_VXRS_EXT; - if (test_facility(135)) elf_hwcap |= HWCAP_S390_VXRS_BCD; + if (test_facility(135)) + elf_hwcap |= HWCAP_S390_VXRS_EXT; if (test_facility(148)) elf_hwcap |= HWCAP_S390_VXRS_EXT2; if (test_facility(152)) diff --git a/arch/s390/kernel/syscall.c b/arch/s390/kernel/syscall.c index bc8e650e377d..4e5cc7d2364e 100644 --- a/arch/s390/kernel/syscall.c +++ b/arch/s390/kernel/syscall.c @@ -142,6 +142,7 @@ void do_syscall(struct pt_regs *regs) void noinstr __do_syscall(struct pt_regs *regs, int per_trap) { + add_random_kstack_offset(); enter_from_user_mode(regs); memcpy(®s->gprs[8], S390_lowcore.save_area_sync, 8 * sizeof(unsigned long)); diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 63021d484626..8dd23c703718 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -17,6 +17,7 @@ #include "asm/ptrace.h" #include <linux/kprobes.h> #include <linux/kdebug.h> +#include <linux/randomize_kstack.h> #include <linux/extable.h> #include <linux/ptrace.h> #include <linux/sched.h> @@ -301,6 +302,7 @@ void noinstr __do_pgm_check(struct pt_regs *regs) unsigned int trapnr, syscall_redirect = 0; irqentry_state_t state; + add_random_kstack_offset(); regs->int_code = *(u32 *)&S390_lowcore.pgm_ilc; regs->int_parm_long = S390_lowcore.trans_exc_code; diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index c01b6dbac7cf..b0993e05affe 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -738,17 +738,19 @@ error: } /** - * zpci_configure_device() - Configure a zpci_dev + * zpci_scan_configured_device() - Scan a freshly configured zpci_dev * @zdev: The zpci_dev to be configured * @fh: The general function handle supplied by the platform * * Given a device in the configuration state Configured, enables, scans and - * adds it to the common code PCI subsystem. If any failure occurs, the - * zpci_dev is left disabled. + * adds it to the common code PCI subsystem if possible. If the PCI device is + * parked because we can not yet create a PCI bus because we have not seen + * function 0, it is ignored but will be scanned once function 0 appears. + * If any failure occurs, the zpci_dev is left disabled. * * Return: 0 on success, or an error code otherwise */ -int zpci_configure_device(struct zpci_dev *zdev, u32 fh) +int zpci_scan_configured_device(struct zpci_dev *zdev, u32 fh) { int rc; diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index 1178b48a66df..cd447b96b4b1 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -76,8 +76,6 @@ void zpci_event_error(void *data) static void zpci_event_hard_deconfigured(struct zpci_dev *zdev, u32 fh) { - enum zpci_state state; - zdev->fh = fh; /* Give the driver a hint that the function is * already unusable. @@ -88,15 +86,12 @@ static void zpci_event_hard_deconfigured(struct zpci_dev *zdev, u32 fh) */ zpci_disable_device(zdev); zdev->state = ZPCI_FN_STATE_STANDBY; - if (!clp_get_state(zdev->fid, &state) && - state == ZPCI_FN_STATE_RESERVED) { - zpci_zdev_put(zdev); - } } static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) { struct zpci_dev *zdev = get_zdev_by_fid(ccdf->fid); + enum zpci_state state; zpci_err("avail CCDF:\n"); zpci_err_hex(ccdf, sizeof(*ccdf)); @@ -113,7 +108,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) break; zdev->state = ZPCI_FN_STATE_CONFIGURED; } - zpci_configure_device(zdev, ccdf->fh); + zpci_scan_configured_device(zdev, ccdf->fh); break; case 0x0302: /* Reserved -> Standby */ if (!zdev) @@ -123,13 +118,28 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) break; case 0x0303: /* Deconfiguration requested */ if (zdev) { + /* The event may have been queued before we confirgured + * the device. + */ + if (zdev->state != ZPCI_FN_STATE_CONFIGURED) + break; zdev->fh = ccdf->fh; zpci_deconfigure_device(zdev); } break; case 0x0304: /* Configured -> Standby|Reserved */ - if (zdev) - zpci_event_hard_deconfigured(zdev, ccdf->fh); + if (zdev) { + /* The event may have been queued before we confirgured + * the device.: + */ + if (zdev->state == ZPCI_FN_STATE_CONFIGURED) + zpci_event_hard_deconfigured(zdev, ccdf->fh); + /* The 0x0304 event may immediately reserve the device */ + if (!clp_get_state(zdev->fid, &state) && + state == ZPCI_FN_STATE_RESERVED) { + zpci_zdev_put(zdev); + } + } break; case 0x0306: /* 0x308 or 0x302 for multiple devices */ zpci_remove_reserved_devices(); diff --git a/arch/sh/Makefile b/arch/sh/Makefile index 3bcbf52fb30e..44bcb80e791a 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -9,7 +9,7 @@ # License. See the file "COPYING" in the main directory of this archive # for more details. # -ifneq ($(SUBARCH),$(ARCH)) +ifdef cross_compiling ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-) endif diff --git a/arch/sh/configs/edosk7705_defconfig b/arch/sh/configs/edosk7705_defconfig index ef7cc31997b1..9ee35269bee2 100644 --- a/arch/sh/configs/edosk7705_defconfig +++ b/arch/sh/configs/edosk7705_defconfig @@ -23,7 +23,6 @@ CONFIG_SH_PCLK_FREQ=31250000 # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set -# CONFIG_DEVKMEM is not set # CONFIG_UNIX98_PTYS is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_HW_RANDOM is not set diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig index 315b04a8dd2f..601d062250d1 100644 --- a/arch/sh/configs/se7206_defconfig +++ b/arch/sh/configs/se7206_defconfig @@ -71,7 +71,6 @@ CONFIG_SMC91X=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_NR_UARTS=4 CONFIG_SERIAL_SH_SCI_CONSOLE=y diff --git a/arch/sh/configs/sh2007_defconfig b/arch/sh/configs/sh2007_defconfig index 99975db461d8..79f02f1c0dc8 100644 --- a/arch/sh/configs/sh2007_defconfig +++ b/arch/sh/configs/sh2007_defconfig @@ -75,7 +75,6 @@ CONFIG_INPUT_FF_MEMLESS=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set CONFIG_VT_HW_CONSOLE_BINDING=y -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_CONSOLE=y # CONFIG_LEGACY_PTYS is not set diff --git a/arch/sh/configs/sh7724_generic_defconfig b/arch/sh/configs/sh7724_generic_defconfig index 2c46c0004780..cbc9389a89a8 100644 --- a/arch/sh/configs/sh7724_generic_defconfig +++ b/arch/sh/configs/sh7724_generic_defconfig @@ -18,7 +18,6 @@ CONFIG_CPU_IDLE=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_NR_UARTS=6 CONFIG_SERIAL_SH_SCI_CONSOLE=y diff --git a/arch/sh/configs/sh7770_generic_defconfig b/arch/sh/configs/sh7770_generic_defconfig index 88193153e51b..ee2357deba0f 100644 --- a/arch/sh/configs/sh7770_generic_defconfig +++ b/arch/sh/configs/sh7770_generic_defconfig @@ -20,7 +20,6 @@ CONFIG_CPU_IDLE=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_NR_UARTS=6 CONFIG_SERIAL_SH_SCI_CONSOLE=y diff --git a/arch/sh/configs/sh7785lcr_32bit_defconfig b/arch/sh/configs/sh7785lcr_32bit_defconfig index 9b885c14c400..5c725c75fcef 100644 --- a/arch/sh/configs/sh7785lcr_32bit_defconfig +++ b/arch/sh/configs/sh7785lcr_32bit_defconfig @@ -66,7 +66,6 @@ CONFIG_INPUT_FF_MEMLESS=m CONFIG_INPUT_EVDEV=y CONFIG_INPUT_EVBUG=m CONFIG_VT_HW_CONSOLE_BINDING=y -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_NR_UARTS=6 CONFIG_SERIAL_SH_SCI_CONSOLE=y diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h index 450b5854d7c6..3b6c7b5b7ec9 100644 --- a/arch/sh/include/asm/bitops.h +++ b/arch/sh/include/asm/bitops.h @@ -58,15 +58,16 @@ static inline unsigned long __ffs(unsigned long word) return result; } -#include <asm-generic/bitops/find.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/sched.h> -#include <asm-generic/bitops/le.h> #include <asm-generic/bitops/ext2-atomic.h> #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/le.h> +#include <asm-generic/bitops/find.h> + #endif /* __ASM_SH_BITOPS_H */ diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 6d5c6463bc07..cf9a3ec32406 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -283,11 +283,6 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size, */ #define xlate_dev_mem_ptr(p) __va(p) -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - #define ARCH_HAS_VALID_PHYS_ADDR_RANGE int valid_phys_addr_range(phys_addr_t addr, size_t size); int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); diff --git a/arch/sh/kernel/syscalls/Makefile b/arch/sh/kernel/syscalls/Makefile index 285aaba832d9..6713c65a25e1 100644 --- a/arch/sh/kernel/syscalls/Makefile +++ b/arch/sh/kernel/syscalls/Makefile @@ -6,20 +6,14 @@ _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \ $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') syscall := $(src)/syscall.tbl -syshdr := $(srctree)/$(src)/syscallhdr.sh -systbl := $(srctree)/$(src)/syscalltbl.sh +syshdr := $(srctree)/scripts/syscallhdr.sh +systbl := $(srctree)/scripts/syscalltbl.sh quiet_cmd_syshdr = SYSHDR $@ - cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \ - '$(syshdr_abis_$(basetarget))' \ - '$(syshdr_pfx_$(basetarget))' \ - '$(syshdr_offset_$(basetarget))' + cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr $< $@ quiet_cmd_systbl = SYSTBL $@ - cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \ - '$(systbl_abis_$(basetarget))' \ - '$(systbl_abi_$(basetarget))' \ - '$(systbl_offset_$(basetarget))' + cmd_systbl = $(CONFIG_SHELL) $(systbl) $< $@ $(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE $(call if_changed,syshdr) diff --git a/arch/sh/kernel/syscalls/syscallhdr.sh b/arch/sh/kernel/syscalls/syscallhdr.sh deleted file mode 100644 index 4c0519861e97..000000000000 --- a/arch/sh/kernel/syscalls/syscallhdr.sh +++ /dev/null @@ -1,36 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` -prefix="$4" -offset="$5" - -fileguard=_UAPI_ASM_SH_`basename "$out" | sed \ - -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ - -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - printf "#ifndef %s\n" "${fileguard}" - printf "#define %s\n" "${fileguard}" - printf "\n" - - nxt=0 - while read nr abi name entry ; do - if [ -z "$offset" ]; then - printf "#define __NR_%s%s\t%s\n" \ - "${prefix}" "${name}" "${nr}" - else - printf "#define __NR_%s%s\t(%s + %s)\n" \ - "${prefix}" "${name}" "${offset}" "${nr}" - fi - nxt=$((nr+1)) - done - - printf "\n" - printf "#ifdef __KERNEL__\n" - printf "#define __NR_syscalls\t%s\n" "${nxt}" - printf "#endif\n" - printf "\n" - printf "#endif /* %s */\n" "${fileguard}" -) > "$out" diff --git a/arch/sh/kernel/syscalls/syscalltbl.sh b/arch/sh/kernel/syscalls/syscalltbl.sh deleted file mode 100644 index 904b8e6e625d..000000000000 --- a/arch/sh/kernel/syscalls/syscalltbl.sh +++ /dev/null @@ -1,32 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` -my_abi="$4" -offset="$5" - -emit() { - t_nxt="$1" - t_nr="$2" - t_entry="$3" - - while [ $t_nxt -lt $t_nr ]; do - printf "__SYSCALL(%s,sys_ni_syscall)\n" "${t_nxt}" - t_nxt=$((t_nxt+1)) - done - printf "__SYSCALL(%s,%s)\n" "${t_nxt}" "${t_entry}" -} - -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - nxt=0 - if [ -z "$offset" ]; then - offset=0 - fi - - while read nr abi name entry ; do - emit $((nxt+offset)) $((nr+offset)) $entry - nxt=$((nr+1)) - done -) > "$out" diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig index 12a4fb0bd52a..18099099583e 100644 --- a/arch/sparc/configs/sparc64_defconfig +++ b/arch/sparc/configs/sparc64_defconfig @@ -122,7 +122,6 @@ CONFIG_INPUT_SPARCSPKR=y # CONFIG_SERIO_SERPORT is not set CONFIG_SERIO_PCIPS2=m CONFIG_SERIO_RAW=m -# CONFIG_DEVKMEM is not set CONFIG_SERIAL_SUNSU=y CONFIG_SERIAL_SUNSU_CONSOLE=y CONFIG_SERIAL_SUNSAB=y diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index aec20406145e..0b9d98ced34a 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 generated-y += syscall_table_32.h generated-y += syscall_table_64.h -generated-y += syscall_table_c32.h generic-y += export.h generic-y += kvm_para.h generic-y += mcs_spinlock.h diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h index 9fbfc9574432..5ffa820dcd4d 100644 --- a/arch/sparc/include/asm/io_64.h +++ b/arch/sparc/include/asm/io_64.h @@ -454,11 +454,6 @@ void sbus_set_sbus64(struct device *, int); */ #define xlate_dev_mem_ptr(p) __va(p) -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - #endif #endif /* !(__SPARC64_IO_H) */ diff --git a/arch/sparc/kernel/syscalls/Makefile b/arch/sparc/kernel/syscalls/Makefile index 283f64407b07..0f2ea5bcb0d7 100644 --- a/arch/sparc/kernel/syscalls/Makefile +++ b/arch/sparc/kernel/syscalls/Makefile @@ -6,46 +6,34 @@ _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \ $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') syscall := $(src)/syscall.tbl -syshdr := $(srctree)/$(src)/syscallhdr.sh -systbl := $(srctree)/$(src)/syscalltbl.sh +syshdr := $(srctree)/scripts/syscallhdr.sh +systbl := $(srctree)/scripts/syscalltbl.sh quiet_cmd_syshdr = SYSHDR $@ - cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \ - '$(syshdr_abis_$(basetarget))' \ - '$(syshdr_pfx_$(basetarget))' \ - '$(syshdr_offset_$(basetarget))' + cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis $(abis) $< $@ quiet_cmd_systbl = SYSTBL $@ - cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \ - '$(systbl_abis_$(basetarget))' \ - '$(systbl_abi_$(basetarget))' \ - '$(systbl_offset_$(basetarget))' + cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@ -syshdr_abis_unistd_32 := common,32 +$(uapi)/unistd_32.h: abis := common,32 $(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE $(call if_changed,syshdr) -syshdr_abis_unistd_64 := common,64 +$(uapi)/unistd_64.h: abis := common,64 $(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE $(call if_changed,syshdr) -systbl_abis_syscall_table_32 := common,32 +$(kapi)/syscall_table_32.h: abis := common,32 $(kapi)/syscall_table_32.h: $(syscall) $(systbl) FORCE $(call if_changed,systbl) -systbl_abis_syscall_table_64 := common,64 +$(kapi)/syscall_table_64.h: abis := common,64 $(kapi)/syscall_table_64.h: $(syscall) $(systbl) FORCE $(call if_changed,systbl) -systbl_abis_syscall_table_c32 := common,32 -systbl_abi_syscall_table_c32 := c32 -$(kapi)/syscall_table_c32.h: $(syscall) $(systbl) FORCE - $(call if_changed,systbl) - uapisyshdr-y += unistd_32.h unistd_64.h kapisyshdr-y += syscall_table_32.h \ - syscall_table_64.h \ - syscall_table_c32.h + syscall_table_64.h uapisyshdr-y := $(addprefix $(uapi)/, $(uapisyshdr-y)) kapisyshdr-y := $(addprefix $(kapi)/, $(kapisyshdr-y)) diff --git a/arch/sparc/kernel/syscalls/syscallhdr.sh b/arch/sparc/kernel/syscalls/syscallhdr.sh deleted file mode 100644 index cf50a75cc0bb..000000000000 --- a/arch/sparc/kernel/syscalls/syscallhdr.sh +++ /dev/null @@ -1,36 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` -prefix="$4" -offset="$5" - -fileguard=_UAPI_ASM_SPARC_`basename "$out" | sed \ - -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ - -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - printf "#ifndef %s\n" "${fileguard}" - printf "#define %s\n" "${fileguard}" - printf "\n" - - nxt=0 - while read nr abi name entry compat ; do - if [ -z "$offset" ]; then - printf "#define __NR_%s%s\t%s\n" \ - "${prefix}" "${name}" "${nr}" - else - printf "#define __NR_%s%s\t(%s + %s)\n" \ - "${prefix}" "${name}" "${offset}" "${nr}" - fi - nxt=$((nr+1)) - done - - printf "\n" - printf "#ifdef __KERNEL__\n" - printf "#define __NR_syscalls\t%s\n" "${nxt}" - printf "#endif\n" - printf "\n" - printf "#endif /* %s */\n" "${fileguard}" -) > "$out" diff --git a/arch/sparc/kernel/syscalls/syscalltbl.sh b/arch/sparc/kernel/syscalls/syscalltbl.sh deleted file mode 100644 index 77cf0143ba19..000000000000 --- a/arch/sparc/kernel/syscalls/syscalltbl.sh +++ /dev/null @@ -1,36 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -out="$2" -my_abis=`echo "($3)" | tr ',' '|'` -my_abi="$4" -offset="$5" - -emit() { - t_nxt="$1" - t_nr="$2" - t_entry="$3" - - while [ $t_nxt -lt $t_nr ]; do - printf "__SYSCALL(%s, sys_nis_syscall, )\n" "${t_nxt}" - t_nxt=$((t_nxt+1)) - done - printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}" -} - -grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( - nxt=0 - if [ -z "$offset" ]; then - offset=0 - fi - - while read nr abi name entry compat ; do - if [ "$my_abi" = "c32" ] && [ ! -z "$compat" ]; then - emit $((nxt+offset)) $((nr+offset)) $compat - else - emit $((nxt+offset)) $((nr+offset)) $entry - fi - nxt=$((nr+1)) - done -) > "$out" diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index ab9e4d57685a..3aaffa017706 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -9,10 +9,10 @@ * Copyright (C) 1995 Adrian M. Rodriguez ([email protected]) */ -#define __SYSCALL(nr, entry, nargs) .long entry +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) +#define __SYSCALL(nr, entry) .long entry .data .align 4 .globl sys_call_table sys_call_table: #include <asm/syscall_table_32.h> /* 32-bit native syscalls */ -#undef __SYSCALL diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index a27394bf7d7f..398fe449dd34 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -10,18 +10,20 @@ * Copyright (C) 1995 Adrian M. Rodriguez ([email protected]) */ -#define __SYSCALL(nr, entry, nargs) .word entry +#define __SYSCALL(nr, entry) .word entry .text .align 4 #ifdef CONFIG_COMPAT .globl sys_call_table32 sys_call_table32: -#include <asm/syscall_table_c32.h> /* Compat syscalls */ +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat) +#include <asm/syscall_table_32.h> /* Compat syscalls */ +#undef __SYSCALL_WITH_COMPAT #endif /* CONFIG_COMPAT */ .align 4 .globl sys_call_table64, sys_call_table sys_call_table64: sys_call_table: +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) #include <asm/syscall_table_64.h> /* 64-bit native syscalls */ -#undef __SYSCALL diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h index 103adac691ed..9a67c017000f 100644 --- a/arch/um/drivers/cow.h +++ b/arch/um/drivers/cow.h @@ -24,10 +24,3 @@ extern void cow_sizes(int version, __u64 size, int sectorsize, int align, int *data_offset_out); #endif - -/* - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 43cbfc84153a..5e1f38179f49 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -156,7 +156,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, #endif /* Kernel thread ? */ - if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) { + if (unlikely(p->flags & PF_KTHREAD)) { memset(childregs, 0, sizeof(struct pt_regs)); kthread_frame_init(frame, sp, arg); return 0; @@ -172,6 +172,23 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, task_user_gs(p) = get_user_gs(current_pt_regs()); #endif + if (unlikely(p->flags & PF_IO_WORKER)) { + /* + * An IO thread is a user space thread, but it doesn't + * return to ret_after_fork(). + * + * In order to indicate that to tools like gdb, + * we reset the stack and instruction pointers. + * + * It does the same kernel frame setup to return to a kernel + * function that a kernel thread does. + */ + childregs->sp = 0; + childregs->ip = 0; + kthread_frame_init(frame, sp, arg); + return 0; + } + /* Set a new TLS for the child thread? */ if (clone_flags & CLONE_SETTLS) ret = set_new_tls(p, tls); diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index ba9fee75e675..e9c8f064c44d 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -19,12 +19,8 @@ variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) VARIANT = $(variant-y) export VARIANT -# Test for cross compiling - ifneq ($(VARIANT),) - COMPILE_ARCH = $(shell uname -m) - - ifneq ($(COMPILE_ARCH), xtensa) + ifdef cross_compiling ifndef CROSS_COMPILE CROSS_COMPILE = xtensa_$(VARIANT)- endif diff --git a/arch/xtensa/configs/xip_kc705_defconfig b/arch/xtensa/configs/xip_kc705_defconfig index 4f1ff9531f6a..062148e17135 100644 --- a/arch/xtensa/configs/xip_kc705_defconfig +++ b/arch/xtensa/configs/xip_kc705_defconfig @@ -72,7 +72,6 @@ CONFIG_MARVELL_PHY=y # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set -CONFIG_DEVKMEM=y CONFIG_SERIAL_8250=y # CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set CONFIG_SERIAL_8250_CONSOLE=y diff --git a/block/bio.c b/block/bio.c index 44205dfb6b60..221dc56ba22f 100644 --- a/block/bio.c +++ b/block/bio.c @@ -255,6 +255,13 @@ void bio_init(struct bio *bio, struct bio_vec *table, } EXPORT_SYMBOL(bio_init); +unsigned int bio_max_size(struct bio *bio) +{ + struct block_device *bdev = bio->bi_bdev; + + return bdev ? bdev->bd_disk->queue->limits.bio_max_bytes : UINT_MAX; +} + /** * bio_reset - reinitialize a bio * @bio: bio to reset @@ -866,7 +873,7 @@ bool __bio_try_merge_page(struct bio *bio, struct page *page, struct bio_vec *bv = &bio->bi_io_vec[bio->bi_vcnt - 1]; if (page_is_mergeable(bv, page, len, off, same_page)) { - if (bio->bi_iter.bi_size > UINT_MAX - len) { + if (bio->bi_iter.bi_size > bio_max_size(bio) - len) { *same_page = false; return false; } @@ -995,6 +1002,7 @@ static int __bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter) { unsigned short nr_pages = bio->bi_max_vecs - bio->bi_vcnt; unsigned short entries_left = bio->bi_max_vecs - bio->bi_vcnt; + unsigned int bytes_left = bio_max_size(bio) - bio->bi_iter.bi_size; struct bio_vec *bv = bio->bi_io_vec + bio->bi_vcnt; struct page **pages = (struct page **)bv; bool same_page = false; @@ -1010,7 +1018,8 @@ static int __bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter) BUILD_BUG_ON(PAGE_PTRS_PER_BVEC < 2); pages += entries_left * (PAGE_PTRS_PER_BVEC - 1); - size = iov_iter_get_pages(iter, pages, LONG_MAX, nr_pages, &offset); + size = iov_iter_get_pages(iter, pages, bytes_left, nr_pages, + &offset); if (unlikely(size <= 0)) return size ? size : -EFAULT; diff --git a/block/blk-settings.c b/block/blk-settings.c index 9c009090c4b5..c6f80e3b8020 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -7,6 +7,7 @@ #include <linux/init.h> #include <linux/bio.h> #include <linux/blkdev.h> +#include <linux/pagemap.h> #include <linux/gcd.h> #include <linux/lcm.h> #include <linux/jiffies.h> @@ -31,6 +32,7 @@ EXPORT_SYMBOL_GPL(blk_queue_rq_timeout); */ void blk_set_default_limits(struct queue_limits *lim) { + lim->bio_max_bytes = UINT_MAX; lim->max_segments = BLK_MAX_SEGMENTS; lim->max_discard_segments = 1; lim->max_integrity_segments = 0; @@ -139,6 +141,10 @@ void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_secto limits->logical_block_size >> SECTOR_SHIFT); limits->max_sectors = max_sectors; + if (check_shl_overflow(max_sectors, SECTOR_SHIFT, + &limits->bio_max_bytes)) + limits->bio_max_bytes = UINT_MAX; + q->backing_dev_info->io_pages = max_sectors >> (PAGE_SHIFT - 9); } EXPORT_SYMBOL(blk_queue_max_hw_sectors); diff --git a/certs/.gitignore b/certs/.gitignore index 6cbd1f1a5837..8c3763f80be3 100644 --- a/certs/.gitignore +++ b/certs/.gitignore @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -x509_certificate_list -x509_revocation_list +/x509_certificate_list +/x509_revocation_list diff --git a/drivers/acpi/arm64/gtdt.c b/drivers/acpi/arm64/gtdt.c index f2d0e5915dab..0a0a982f9c28 100644 --- a/drivers/acpi/arm64/gtdt.c +++ b/drivers/acpi/arm64/gtdt.c @@ -329,7 +329,7 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd, int index) { struct platform_device *pdev; - int irq = map_gt_gsi(wd->timer_interrupt, wd->timer_flags); + int irq; /* * According to SBSA specification the size of refresh and control @@ -338,7 +338,7 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd, struct resource res[] = { DEFINE_RES_MEM(wd->control_frame_address, SZ_4K), DEFINE_RES_MEM(wd->refresh_frame_address, SZ_4K), - DEFINE_RES_IRQ(irq), + {}, }; int nr_res = ARRAY_SIZE(res); @@ -348,10 +348,11 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd, if (!(wd->refresh_frame_address && wd->control_frame_address)) { pr_err(FW_BUG "failed to get the Watchdog base address.\n"); - acpi_unregister_gsi(wd->timer_interrupt); return -EINVAL; } + irq = map_gt_gsi(wd->timer_interrupt, wd->timer_flags); + res[2] = (struct resource)DEFINE_RES_IRQ(irq); if (irq <= 0) { pr_warn("failed to map the Watchdog interrupt.\n"); nr_res--; @@ -364,7 +365,8 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd, */ pdev = platform_device_register_simple("sbsa-gwdt", index, res, nr_res); if (IS_ERR(pdev)) { - acpi_unregister_gsi(wd->timer_interrupt); + if (irq > 0) + acpi_unregister_gsi(wd->timer_interrupt); return PTR_ERR(pdev); } diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c index 443fdf62dd22..d39a9b474727 100644 --- a/drivers/acpi/custom_method.c +++ b/drivers/acpi/custom_method.c @@ -42,6 +42,8 @@ static ssize_t cm_write(struct file *file, const char __user *user_buf, sizeof(struct acpi_table_header))) return -EFAULT; uncopied_bytes = max_size = table.length; + /* make sure the buf is not allocated */ + kfree(buf); buf = kzalloc(max_size, GFP_KERNEL); if (!buf) return -ENOMEM; @@ -55,6 +57,7 @@ static ssize_t cm_write(struct file *file, const char __user *user_buf, (*ppos + count < count) || (count > uncopied_bytes)) { kfree(buf); + buf = NULL; return -EINVAL; } @@ -76,7 +79,6 @@ static ssize_t cm_write(struct file *file, const char __user *user_buf, add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); } - kfree(buf); return count; } diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index f973bbe90e5e..b852cff80287 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -142,7 +142,6 @@ int acpi_device_sleep_wake(struct acpi_device *dev, int acpi_power_get_inferred_state(struct acpi_device *device, int *state); int acpi_power_on_resources(struct acpi_device *device, int state); int acpi_power_transition(struct acpi_device *device, int state); -void acpi_turn_off_unused_power_resources(void); /* -------------------------------------------------------------------------- Device Power Management diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c index e209081d644b..c68e694fca26 100644 --- a/drivers/acpi/irq.c +++ b/drivers/acpi/irq.c @@ -75,8 +75,12 @@ void acpi_unregister_gsi(u32 gsi) { struct irq_domain *d = irq_find_matching_fwnode(acpi_gsi_domain_id, DOMAIN_BUS_ANY); - int irq = irq_find_mapping(d, gsi); + int irq; + if (WARN_ON(acpi_irq_model == ACPI_IRQ_MODEL_GIC && gsi < 16)) + return; + + irq = irq_find_mapping(d, gsi); irq_dispose_mapping(irq); } EXPORT_SYMBOL_GPL(acpi_unregister_gsi); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 56102eaaa2da..32974b575e46 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -995,7 +995,6 @@ void acpi_resume_power_resources(void) mutex_unlock(&power_resource_list_lock); } -#endif void acpi_turn_off_unused_power_resources(void) { @@ -1016,3 +1015,4 @@ void acpi_turn_off_unused_power_resources(void) mutex_unlock(&power_resource_list_lock); } +#endif diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index bc973fbd70b2..a22778e880c2 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2359,8 +2359,6 @@ int __init acpi_scan_init(void) } } - acpi_turn_off_unused_power_resources(); - acpi_scan_initialized = true; out: diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h index 7fe41ee489d6..1856f76ac83f 100644 --- a/drivers/acpi/sleep.h +++ b/drivers/acpi/sleep.h @@ -8,6 +8,7 @@ extern struct list_head acpi_wakeup_device_list; extern struct mutex acpi_device_lock; extern void acpi_resume_power_resources(void); +extern void acpi_turn_off_unused_power_resources(void); static inline acpi_status acpi_set_waking_vector(u32 wakeup_address) { diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 0ddd611b4277..3bc3c314a467 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -795,6 +795,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q) switch (STATUS_CODE (qe)) { case 0x1: /* Fall through for streaming mode */ + fallthrough; case 0x2:/* Packet received OK.... */ if (atm_vcc) { skb = pe->skb; diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index ff5755ee5694..eba04c0de7eb 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -1737,10 +1737,3 @@ module_init(panel_init_module); module_exit(panel_cleanup_module); MODULE_AUTHOR("Willy Tarreau"); MODULE_LICENSE("GPL"); - -/* - * Local variables: - * c-indent-level: 4 - * tab-width: 8 - * End: - */ diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 78355095e00d..4fdb8219cd08 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -15,6 +15,7 @@ #include <linux/kernel_read_file.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/initrd.h> #include <linux/timer.h> #include <linux/vmalloc.h> #include <linux/interrupt.h> @@ -504,6 +505,7 @@ fw_get_filesystem_firmware(struct device *device, struct fw_priv *fw_priv, if (!path) return -ENOMEM; + wait_for_initramfs(); for (i = 0; i < ARRAY_SIZE(fw_path); i++) { size_t file_size = 0; size_t *file_size_ptr = NULL; diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 6e622c1327ee..7562cf30b14e 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -18,6 +18,7 @@ #include <linux/bio.h> #include <linux/highmem.h> #include <linux/mutex.h> +#include <linux/pagemap.h> #include <linux/radix-tree.h> #include <linux/fs.h> #include <linux/slab.h> diff --git a/drivers/block/loop.c b/drivers/block/loop.c index a370cde3ddd4..d58d68f3c7cd 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -53,6 +53,7 @@ #include <linux/moduleparam.h> #include <linux/sched.h> #include <linux/fs.h> +#include <linux/pagemap.h> #include <linux/file.h> #include <linux/stat.h> #include <linux/errno.h> diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index c01786afe1b1..c604a402cd5c 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -88,7 +88,7 @@ static int rnbd_clt_set_dev_attr(struct rnbd_clt_dev *dev, dev->discard_alignment = le32_to_cpu(rsp->discard_alignment); dev->secure_discard = le16_to_cpu(rsp->secure_discard); dev->rotational = rsp->rotational; - dev->wc = !!(rsp->cache_policy & RNBD_WRITEBACK); + dev->wc = !!(rsp->cache_policy & RNBD_WRITEBACK); dev->fua = !!(rsp->cache_policy & RNBD_FUA); dev->max_hw_sectors = sess->max_io_size / SECTOR_SIZE; @@ -241,7 +241,7 @@ static bool rnbd_rerun_if_needed(struct rnbd_clt_session *sess) cpu_q = rnbd_get_cpu_qlist(sess, nxt_cpu(cpu_q->cpu))) { if (!spin_trylock_irqsave(&cpu_q->requeue_lock, flags)) continue; - if (unlikely(!test_bit(cpu_q->cpu, sess->cpu_queues_bm))) + if (!test_bit(cpu_q->cpu, sess->cpu_queues_bm)) goto unlock; q = list_first_entry_or_null(&cpu_q->requeue_list, typeof(*q), requeue_list); @@ -320,7 +320,7 @@ static struct rtrs_permit *rnbd_get_permit(struct rnbd_clt_session *sess, struct rtrs_permit *permit; permit = rtrs_clt_get_permit(sess->rtrs, con_type, wait); - if (likely(permit)) + if (permit) /* We have a subtle rare case here, when all permits can be * consumed before busy counter increased. This is safe, * because loser will get NULL as a permit, observe 0 busy @@ -351,12 +351,11 @@ static struct rnbd_iu *rnbd_get_iu(struct rnbd_clt_session *sess, struct rtrs_permit *permit; iu = kzalloc(sizeof(*iu), GFP_KERNEL); - if (!iu) { + if (!iu) return NULL; - } permit = rnbd_get_permit(sess, con_type, wait); - if (unlikely(!permit)) { + if (!permit) { kfree(iu); return NULL; } @@ -692,7 +691,11 @@ static void remap_devs(struct rnbd_clt_session *sess) return; } - rtrs_clt_query(sess->rtrs, &attrs); + err = rtrs_clt_query(sess->rtrs, &attrs); + if (err) { + pr_err("rtrs_clt_query(\"%s\"): %d\n", sess->sessname, err); + return; + } mutex_lock(&sess->lock); sess->max_io_size = attrs.max_io_size; @@ -805,7 +808,7 @@ static struct rnbd_clt_session *alloc_sess(const char *sessname) mutex_init(&sess->lock); INIT_LIST_HEAD(&sess->devs_list); INIT_LIST_HEAD(&sess->list); - bitmap_zero(sess->cpu_queues_bm, NR_CPUS); + bitmap_zero(sess->cpu_queues_bm, num_possible_cpus()); init_waitqueue_head(&sess->rtrs_waitq); refcount_set(&sess->refcount, 1); @@ -1047,7 +1050,7 @@ static int rnbd_client_xfer_request(struct rnbd_clt_dev *dev, }; err = rtrs_clt_request(rq_data_dir(rq), &req_ops, rtrs, permit, &vec, 1, size, iu->sgt.sgl, sg_cnt); - if (unlikely(err)) { + if (err) { rnbd_clt_err_rl(dev, "RTRS failed to transfer IO, err: %d\n", err); return err; @@ -1078,7 +1081,7 @@ static bool rnbd_clt_dev_add_to_requeue(struct rnbd_clt_dev *dev, cpu_q = get_cpu_ptr(sess->cpu_queues); spin_lock_irqsave(&cpu_q->requeue_lock, flags); - if (likely(!test_and_set_bit_lock(0, &q->in_list))) { + if (!test_and_set_bit_lock(0, &q->in_list)) { if (WARN_ON(!list_empty(&q->requeue_list))) goto unlock; @@ -1090,7 +1093,7 @@ static bool rnbd_clt_dev_add_to_requeue(struct rnbd_clt_dev *dev, */ smp_mb__before_atomic(); } - if (likely(atomic_read(&sess->busy))) { + if (atomic_read(&sess->busy)) { list_add_tail(&q->requeue_list, &cpu_q->requeue_list); } else { /* Very unlikely, but possible: busy counter was @@ -1118,7 +1121,7 @@ static void rnbd_clt_dev_kick_mq_queue(struct rnbd_clt_dev *dev, if (delay != RNBD_DELAY_IFBUSY) blk_mq_delay_run_hw_queue(hctx, delay); - else if (unlikely(!rnbd_clt_dev_add_to_requeue(dev, q))) + else if (!rnbd_clt_dev_add_to_requeue(dev, q)) /* * If session is not busy we have to restart * the queue ourselves. @@ -1135,12 +1138,12 @@ static blk_status_t rnbd_queue_rq(struct blk_mq_hw_ctx *hctx, int err; blk_status_t ret = BLK_STS_IOERR; - if (unlikely(dev->dev_state != DEV_STATE_MAPPED)) + if (dev->dev_state != DEV_STATE_MAPPED) return BLK_STS_IOERR; iu->permit = rnbd_get_permit(dev->sess, RTRS_IO_CON, RTRS_PERMIT_NOWAIT); - if (unlikely(!iu->permit)) { + if (!iu->permit) { rnbd_clt_dev_kick_mq_queue(dev, hctx, RNBD_DELAY_IFBUSY); return BLK_STS_RESOURCE; } @@ -1148,7 +1151,8 @@ static blk_status_t rnbd_queue_rq(struct blk_mq_hw_ctx *hctx, iu->sgt.sgl = iu->first_sgl; err = sg_alloc_table_chained(&iu->sgt, /* Even-if the request has no segment, - * sglist must have one entry at least */ + * sglist must have one entry at least. + */ blk_rq_nr_phys_segments(rq) ? : 1, iu->sgt.sgl, RNBD_INLINE_SG_CNT); @@ -1161,9 +1165,9 @@ static blk_status_t rnbd_queue_rq(struct blk_mq_hw_ctx *hctx, blk_mq_start_request(rq); err = rnbd_client_xfer_request(dev, rq, iu); - if (likely(err == 0)) + if (err == 0) return BLK_STS_OK; - if (unlikely(err == -EAGAIN || err == -ENOMEM)) { + if (err == -EAGAIN || err == -ENOMEM) { rnbd_clt_dev_kick_mq_queue(dev, hctx, 10/*ms*/); ret = BLK_STS_RESOURCE; } @@ -1294,7 +1298,11 @@ find_and_get_or_create_sess(const char *sessname, err = PTR_ERR(sess->rtrs); goto wake_up_and_put; } - rtrs_clt_query(sess->rtrs, &attrs); + + err = rtrs_clt_query(sess->rtrs, &attrs); + if (err) + goto close_rtrs; + sess->max_io_size = attrs.max_io_size; sess->queue_depth = attrs.queue_depth; sess->nr_poll_queues = nr_poll_queues; @@ -1576,7 +1584,7 @@ struct rnbd_clt_dev *rnbd_clt_map_device(const char *sessname, struct rnbd_clt_dev *dev; int ret; - if (unlikely(exists_devpath(pathname, sessname))) + if (exists_devpath(pathname, sessname)) return ERR_PTR(-EEXIST); sess = find_and_get_or_create_sess(sessname, paths, path_cnt, port_nr, nr_poll_queues); diff --git a/drivers/block/rnbd/rnbd-clt.h b/drivers/block/rnbd/rnbd-clt.h index 451e7383738f..b5322c5aaac0 100644 --- a/drivers/block/rnbd/rnbd-clt.h +++ b/drivers/block/rnbd/rnbd-clt.h @@ -87,7 +87,7 @@ struct rnbd_clt_session { DECLARE_BITMAP(cpu_queues_bm, NR_CPUS); int __percpu *cpu_rr; /* per-cpu var for CPU round-robin */ atomic_t busy; - int queue_depth; + size_t queue_depth; u32 max_io_size; struct blk_mq_tag_set tag_set; u32 nr_poll_queues; diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index 899dd9d7c10b..aafecfe97055 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -104,7 +104,7 @@ rnbd_get_sess_dev(int dev_id, struct rnbd_srv_session *srv_sess) rcu_read_lock(); sess_dev = xa_load(&srv_sess->index_idr, dev_id); - if (likely(sess_dev)) + if (sess_dev) ret = kref_get_unless_zero(&sess_dev->kref); rcu_read_unlock(); diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index d229a2d0c017..b151e0fcdeb5 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -334,16 +334,6 @@ config DEVMEM memory. When in doubt, say "Y". -config DEVKMEM - bool "/dev/kmem virtual device support" - # On arm64, VMALLOC_START < PAGE_OFFSET, which confuses kmem read/write - depends on !ARM64 - help - Say Y here if you want to support the /dev/kmem device. The - /dev/kmem device is rarely used, but can be used for certain - kind of kernel debugging operations. - When in doubt, say "N". - config NVRAM tristate "/dev/nvram support" depends on X86 || HAVE_ARCH_NVRAM_OPS diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 869b9f5e8e03..15dc54fa1d47 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -403,221 +403,6 @@ static int mmap_mem(struct file *file, struct vm_area_struct *vma) return 0; } -static int mmap_kmem(struct file *file, struct vm_area_struct *vma) -{ - unsigned long pfn; - - /* Turn a kernel-virtual address into a physical page frame */ - pfn = __pa((u64)vma->vm_pgoff << PAGE_SHIFT) >> PAGE_SHIFT; - - /* - * RED-PEN: on some architectures there is more mapped memory than - * available in mem_map which pfn_valid checks for. Perhaps should add a - * new macro here. - * - * RED-PEN: vmalloc is not supported right now. - */ - if (!pfn_valid(pfn)) - return -EIO; - - vma->vm_pgoff = pfn; - return mmap_mem(file, vma); -} - -/* - * This function reads the *virtual* memory as seen by the kernel. - */ -static ssize_t read_kmem(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - unsigned long p = *ppos; - ssize_t low_count, read, sz; - char *kbuf; /* k-addr because vread() takes vmlist_lock rwlock */ - int err = 0; - - read = 0; - if (p < (unsigned long) high_memory) { - low_count = count; - if (count > (unsigned long)high_memory - p) - low_count = (unsigned long)high_memory - p; - -#ifdef __ARCH_HAS_NO_PAGE_ZERO_MAPPED - /* we don't have page 0 mapped on sparc and m68k.. */ - if (p < PAGE_SIZE && low_count > 0) { - sz = size_inside_page(p, low_count); - if (clear_user(buf, sz)) - return -EFAULT; - buf += sz; - p += sz; - read += sz; - low_count -= sz; - count -= sz; - } -#endif - while (low_count > 0) { - sz = size_inside_page(p, low_count); - - /* - * On ia64 if a page has been mapped somewhere as - * uncached, then it must also be accessed uncached - * by the kernel or data corruption may occur - */ - kbuf = xlate_dev_kmem_ptr((void *)p); - if (!virt_addr_valid(kbuf)) - return -ENXIO; - - if (copy_to_user(buf, kbuf, sz)) - return -EFAULT; - buf += sz; - p += sz; - read += sz; - low_count -= sz; - count -= sz; - if (should_stop_iteration()) { - count = 0; - break; - } - } - } - - if (count > 0) { - kbuf = (char *)__get_free_page(GFP_KERNEL); - if (!kbuf) - return -ENOMEM; - while (count > 0) { - sz = size_inside_page(p, count); - if (!is_vmalloc_or_module_addr((void *)p)) { - err = -ENXIO; - break; - } - sz = vread(kbuf, (char *)p, sz); - if (!sz) - break; - if (copy_to_user(buf, kbuf, sz)) { - err = -EFAULT; - break; - } - count -= sz; - buf += sz; - read += sz; - p += sz; - if (should_stop_iteration()) - break; - } - free_page((unsigned long)kbuf); - } - *ppos = p; - return read ? read : err; -} - - -static ssize_t do_write_kmem(unsigned long p, const char __user *buf, - size_t count, loff_t *ppos) -{ - ssize_t written, sz; - unsigned long copied; - - written = 0; -#ifdef __ARCH_HAS_NO_PAGE_ZERO_MAPPED - /* we don't have page 0 mapped on sparc and m68k.. */ - if (p < PAGE_SIZE) { - sz = size_inside_page(p, count); - /* Hmm. Do something? */ - buf += sz; - p += sz; - count -= sz; - written += sz; - } -#endif - - while (count > 0) { - void *ptr; - - sz = size_inside_page(p, count); - - /* - * On ia64 if a page has been mapped somewhere as uncached, then - * it must also be accessed uncached by the kernel or data - * corruption may occur. - */ - ptr = xlate_dev_kmem_ptr((void *)p); - if (!virt_addr_valid(ptr)) - return -ENXIO; - - copied = copy_from_user(ptr, buf, sz); - if (copied) { - written += sz - copied; - if (written) - break; - return -EFAULT; - } - buf += sz; - p += sz; - count -= sz; - written += sz; - if (should_stop_iteration()) - break; - } - - *ppos += written; - return written; -} - -/* - * This function writes to the *virtual* memory as seen by the kernel. - */ -static ssize_t write_kmem(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - unsigned long p = *ppos; - ssize_t wrote = 0; - ssize_t virtr = 0; - char *kbuf; /* k-addr because vwrite() takes vmlist_lock rwlock */ - int err = 0; - - if (p < (unsigned long) high_memory) { - unsigned long to_write = min_t(unsigned long, count, - (unsigned long)high_memory - p); - wrote = do_write_kmem(p, buf, to_write, ppos); - if (wrote != to_write) - return wrote; - p += wrote; - buf += wrote; - count -= wrote; - } - - if (count > 0) { - kbuf = (char *)__get_free_page(GFP_KERNEL); - if (!kbuf) - return wrote ? wrote : -ENOMEM; - while (count > 0) { - unsigned long sz = size_inside_page(p, count); - unsigned long n; - - if (!is_vmalloc_or_module_addr((void *)p)) { - err = -ENXIO; - break; - } - n = copy_from_user(kbuf, buf, sz); - if (n) { - err = -EFAULT; - break; - } - vwrite(kbuf, (char *)p, sz); - count -= sz; - buf += sz; - virtr += sz; - p += sz; - if (should_stop_iteration()) - break; - } - free_page((unsigned long)kbuf); - } - - *ppos = p; - return virtr + wrote ? : err; -} - static ssize_t read_port(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -855,7 +640,6 @@ static int open_port(struct inode *inode, struct file *filp) #define write_zero write_null #define write_iter_zero write_iter_null #define open_mem open_port -#define open_kmem open_mem static const struct file_operations __maybe_unused mem_fops = { .llseek = memory_lseek, @@ -869,18 +653,6 @@ static const struct file_operations __maybe_unused mem_fops = { #endif }; -static const struct file_operations __maybe_unused kmem_fops = { - .llseek = memory_lseek, - .read = read_kmem, - .write = write_kmem, - .mmap = mmap_kmem, - .open = open_kmem, -#ifndef CONFIG_MMU - .get_unmapped_area = get_unmapped_area_mem, - .mmap_capabilities = memory_mmap_capabilities, -#endif -}; - static const struct file_operations null_fops = { .llseek = null_lseek, .read = read_null, @@ -925,9 +697,6 @@ static const struct memdev { #ifdef CONFIG_DEVMEM [DEVMEM_MINOR] = { "mem", 0, &mem_fops, FMODE_UNSIGNED_OFFSET }, #endif -#ifdef CONFIG_DEVKMEM - [2] = { "kmem", 0, &kmem_fops, FMODE_UNSIGNED_OFFSET }, -#endif [3] = { "null", 0666, &null_fops, 0 }, #ifdef CONFIG_DEVPORT [4] = { "port", 0, &port_fops, 0 }, diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index f5bd0dcbbb1c..3c1c5daf6df2 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -139,7 +139,7 @@ static int psci_to_linux_errno(int errno) return -EINVAL; case PSCI_RET_DENIED: return -EPERM; - }; + } return -EINVAL; } diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a560468765c0..6a2dee8cef1f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -3474,7 +3474,18 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_WARN_ON_ONCE(&i915->drm, intel_dp->active_mst_links < 0); for (;;) { - u8 esi[DP_DPRX_ESI_LEN] = {}; + /* + * The +2 is because DP_DPRX_ESI_LEN is 14, but we then + * pass in "esi+10" to drm_dp_channel_eq_ok(), which + * takes a 6-byte array. So we actually need 16 bytes + * here. + * + * Somebody who knows what the limits actually are + * should check this, but for now this is at least + * harmless and avoids a valid compiler warning about + * using more of the array than we have allocated. + */ + u8 esi[DP_DPRX_ESI_LEN+2] = {}; bool handled; int retry; diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index 1864467f1063..6754f578fed2 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -1,4 +1,3 @@ -/* vim: set ts=8 sw=8 tw=78 ai noexpandtab */ /* qxl_drv.c -- QXL driver -*- linux-c -*- * * Copyright 2011 Red Hat, Inc. diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index f8e9b7305c13..e2e12a5585e5 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -2535,7 +2535,7 @@ int i3c_master_register(struct i3c_master_controller *master, ret = i3c_master_bus_init(master); if (ret) - goto err_destroy_wq; + goto err_put_dev; ret = device_add(&master->dev); if (ret) @@ -2566,9 +2566,6 @@ err_del_dev: err_cleanup_bus: i3c_master_bus_cleanup(master); -err_destroy_wq: - destroy_workqueue(master->wq); - err_put_dev: put_device(&master->dev); diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c index 8d990696676e..1f6ba4221817 100644 --- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -1124,7 +1124,6 @@ static int svc_i3c_master_send_direct_ccc_cmd(struct svc_i3c_master *master, cmd->in = NULL; cmd->out = &ccc->id; cmd->len = 1; - cmd->read_len = xfer_len; cmd->read_len = 0; cmd->continued = true; diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 40f4383764de..0a794d748a7a 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -2976,7 +2976,8 @@ EXPORT_SYMBOL(rtrs_clt_request); int rtrs_clt_rdma_cq_direct(struct rtrs_clt *clt, unsigned int index) { - int cnt; + /* If no path, return -1 for block layer not to try again */ + int cnt = -1; struct rtrs_con *con; struct rtrs_clt_sess *sess; struct path_it it; diff --git a/drivers/input/Makefile b/drivers/input/Makefile index d8f5310e22ba..037cc595106c 100644 --- a/drivers/input/Makefile +++ b/drivers/input/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_INPUT) += input-core.o input-core-y := input.o input-compat.o input-mt.o input-poller.o ff-core.o +input-core-y += touchscreen.o obj-$(CONFIG_INPUT_FF_MEMLESS) += ff-memless.o obj-$(CONFIG_INPUT_SPARSEKMAP) += sparse-keymap.o diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 9f0d07dcbf06..d69d7657ab12 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -268,6 +268,7 @@ static const struct xpad_device { { 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 }, { 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 }, { 0x1689, 0xfe00, "Razer Sabertooth", 0, XTYPE_XBOX360 }, + { 0x1949, 0x041a, "Amazon Game Controller", 0, XTYPE_XBOX360 }, { 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 }, { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x1bad, 0x0130, "Ion Drum Rocker", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, @@ -440,6 +441,7 @@ static const struct usb_device_id xpad_table[] = { XPAD_XBOX360_VENDOR(0x15e4), /* Numark X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x162e), /* Joytech X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ + XPAD_XBOX360_VENDOR(0x1949), /* Amazon controllers */ XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */ XPAD_XBOX360_VENDOR(0x20d6), /* PowerA Controllers */ XPAD_XBOXONE_VENDOR(0x20d6), /* PowerA Controllers */ diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 77bac4ddf324..8dbf1e69c90a 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -8,6 +8,7 @@ #include <linux/module.h> +#include <linux/hrtimer.h> #include <linux/init.h> #include <linux/fs.h> #include <linux/interrupt.h> @@ -36,10 +37,11 @@ struct gpio_button_data { unsigned short *code; - struct timer_list release_timer; + struct hrtimer release_timer; unsigned int release_delay; /* in msecs, for IRQ-only buttons */ struct delayed_work work; + struct hrtimer debounce_timer; unsigned int software_debounce; /* in msecs, for GPIO-driven buttons */ unsigned int irq; @@ -48,6 +50,7 @@ struct gpio_button_data { bool disabled; bool key_pressed; bool suspended; + bool debounce_use_hrtimer; }; struct gpio_keys_drvdata { @@ -122,6 +125,18 @@ static const unsigned long *get_bm_events_by_type(struct input_dev *dev, return (type == EV_KEY) ? dev->keybit : dev->swbit; } +static void gpio_keys_quiesce_key(void *data) +{ + struct gpio_button_data *bdata = data; + + if (!bdata->gpiod) + hrtimer_cancel(&bdata->release_timer); + if (bdata->debounce_use_hrtimer) + hrtimer_cancel(&bdata->debounce_timer); + else + cancel_delayed_work_sync(&bdata->work); +} + /** * gpio_keys_disable_button() - disables given GPIO button * @bdata: button data for button to be disabled @@ -142,12 +157,7 @@ static void gpio_keys_disable_button(struct gpio_button_data *bdata) * Disable IRQ and associated timer/work structure. */ disable_irq(bdata->irq); - - if (bdata->gpiod) - cancel_delayed_work_sync(&bdata->work); - else - del_timer_sync(&bdata->release_timer); - + gpio_keys_quiesce_key(bdata); bdata->disabled = true; } } @@ -360,7 +370,9 @@ static void gpio_keys_gpio_report_event(struct gpio_button_data *bdata) unsigned int type = button->type ?: EV_KEY; int state; - state = gpiod_get_value_cansleep(bdata->gpiod); + state = bdata->debounce_use_hrtimer ? + gpiod_get_value(bdata->gpiod) : + gpiod_get_value_cansleep(bdata->gpiod); if (state < 0) { dev_err(input->dev.parent, "failed to get gpio state: %d\n", state); @@ -373,7 +385,15 @@ static void gpio_keys_gpio_report_event(struct gpio_button_data *bdata) } else { input_event(input, type, *bdata->code, state); } - input_sync(input); +} + +static void gpio_keys_debounce_event(struct gpio_button_data *bdata) +{ + gpio_keys_gpio_report_event(bdata); + input_sync(bdata->input); + + if (bdata->button->wakeup) + pm_relax(bdata->input->dev.parent); } static void gpio_keys_gpio_work_func(struct work_struct *work) @@ -381,10 +401,17 @@ static void gpio_keys_gpio_work_func(struct work_struct *work) struct gpio_button_data *bdata = container_of(work, struct gpio_button_data, work.work); - gpio_keys_gpio_report_event(bdata); + gpio_keys_debounce_event(bdata); +} - if (bdata->button->wakeup) - pm_relax(bdata->input->dev.parent); +static enum hrtimer_restart gpio_keys_debounce_timer(struct hrtimer *t) +{ + struct gpio_button_data *bdata = + container_of(t, struct gpio_button_data, debounce_timer); + + gpio_keys_debounce_event(bdata); + + return HRTIMER_NORESTART; } static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id) @@ -408,26 +435,33 @@ static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id) } } - mod_delayed_work(system_wq, - &bdata->work, - msecs_to_jiffies(bdata->software_debounce)); + if (bdata->debounce_use_hrtimer) { + hrtimer_start(&bdata->debounce_timer, + ms_to_ktime(bdata->software_debounce), + HRTIMER_MODE_REL); + } else { + mod_delayed_work(system_wq, + &bdata->work, + msecs_to_jiffies(bdata->software_debounce)); + } return IRQ_HANDLED; } -static void gpio_keys_irq_timer(struct timer_list *t) +static enum hrtimer_restart gpio_keys_irq_timer(struct hrtimer *t) { - struct gpio_button_data *bdata = from_timer(bdata, t, release_timer); + struct gpio_button_data *bdata = container_of(t, + struct gpio_button_data, + release_timer); struct input_dev *input = bdata->input; - unsigned long flags; - spin_lock_irqsave(&bdata->lock, flags); if (bdata->key_pressed) { input_event(input, EV_KEY, *bdata->code, 0); input_sync(input); bdata->key_pressed = false; } - spin_unlock_irqrestore(&bdata->lock, flags); + + return HRTIMER_NORESTART; } static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id) @@ -457,23 +491,14 @@ static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id) } if (bdata->release_delay) - mod_timer(&bdata->release_timer, - jiffies + msecs_to_jiffies(bdata->release_delay)); + hrtimer_start(&bdata->release_timer, + ms_to_ktime(bdata->release_delay), + HRTIMER_MODE_REL_HARD); out: spin_unlock_irqrestore(&bdata->lock, flags); return IRQ_HANDLED; } -static void gpio_keys_quiesce_key(void *data) -{ - struct gpio_button_data *bdata = data; - - if (bdata->gpiod) - cancel_delayed_work_sync(&bdata->work); - else - del_timer_sync(&bdata->release_timer); -} - static int gpio_keys_setup_key(struct platform_device *pdev, struct input_dev *input, struct gpio_keys_drvdata *ddata, @@ -543,6 +568,14 @@ static int gpio_keys_setup_key(struct platform_device *pdev, if (error < 0) bdata->software_debounce = button->debounce_interval; + + /* + * If reading the GPIO won't sleep, we can use a + * hrtimer instead of a standard timer for the software + * debounce, to reduce the latency as much as possible. + */ + bdata->debounce_use_hrtimer = + !gpiod_cansleep(bdata->gpiod); } if (button->irq) { @@ -561,6 +594,10 @@ static int gpio_keys_setup_key(struct platform_device *pdev, INIT_DELAYED_WORK(&bdata->work, gpio_keys_gpio_work_func); + hrtimer_init(&bdata->debounce_timer, + CLOCK_REALTIME, HRTIMER_MODE_REL); + bdata->debounce_timer.function = gpio_keys_debounce_timer; + isr = gpio_keys_gpio_isr; irqflags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING; @@ -595,7 +632,9 @@ static int gpio_keys_setup_key(struct platform_device *pdev, } bdata->release_delay = button->debounce_interval; - timer_setup(&bdata->release_timer, gpio_keys_irq_timer, 0); + hrtimer_init(&bdata->release_timer, + CLOCK_REALTIME, HRTIMER_MODE_REL_HARD); + bdata->release_timer.function = gpio_keys_irq_timer; isr = gpio_keys_irq_isr; irqflags = 0; diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c index 1f5c9ea5e9e5..ae9303848571 100644 --- a/drivers/input/keyboard/imx_keypad.c +++ b/drivers/input/keyboard/imx_keypad.c @@ -408,27 +408,18 @@ open_err: return -EIO; } -#ifdef CONFIG_OF static const struct of_device_id imx_keypad_of_match[] = { { .compatible = "fsl,imx21-kpp", }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, imx_keypad_of_match); -#endif static int imx_keypad_probe(struct platform_device *pdev) { - const struct matrix_keymap_data *keymap_data = - dev_get_platdata(&pdev->dev); struct imx_keypad *keypad; struct input_dev *input_dev; int irq, error, i, row, col; - if (!keymap_data && !pdev->dev.of_node) { - dev_err(&pdev->dev, "no keymap defined\n"); - return -EINVAL; - } - irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; @@ -469,7 +460,7 @@ static int imx_keypad_probe(struct platform_device *pdev) input_dev->open = imx_keypad_open; input_dev->close = imx_keypad_close; - error = matrix_keypad_build_keymap(keymap_data, NULL, + error = matrix_keypad_build_keymap(NULL, NULL, MAX_MATRIX_KEY_ROWS, MAX_MATRIX_KEY_COLS, keypad->keycodes, input_dev); @@ -582,7 +573,7 @@ static struct platform_driver imx_keypad_driver = { .driver = { .name = "imx-keypad", .pm = &imx_kbd_pm_ops, - .of_match_table = of_match_ptr(imx_keypad_of_match), + .of_match_table = imx_keypad_of_match, }, .probe = imx_keypad_probe, }; diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c index 9b0f9665dcb0..2a9755910065 100644 --- a/drivers/input/keyboard/tca6416-keypad.c +++ b/drivers/input/keyboard/tca6416-keypad.c @@ -274,7 +274,7 @@ static int tca6416_keypad_probe(struct i2c_client *client, error = request_threaded_irq(chip->irqnum, NULL, tca6416_keys_isr, IRQF_TRIGGER_FALLING | - IRQF_ONESHOT, + IRQF_ONESHOT | IRQF_NO_AUTOEN, "tca6416-keypad", chip); if (error) { dev_dbg(&client->dev, @@ -282,7 +282,6 @@ static int tca6416_keypad_probe(struct i2c_client *client, chip->irqnum, error); goto fail1; } - disable_irq(chip->irqnum); } error = input_register_device(input); diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c index 9671842a082a..570fe18c0ce9 100644 --- a/drivers/input/keyboard/tegra-kbc.c +++ b/drivers/input/keyboard/tegra-kbc.c @@ -694,14 +694,13 @@ static int tegra_kbc_probe(struct platform_device *pdev) input_set_drvdata(kbc->idev, kbc); err = devm_request_irq(&pdev->dev, kbc->irq, tegra_kbc_isr, - IRQF_TRIGGER_HIGH, pdev->name, kbc); + IRQF_TRIGGER_HIGH | IRQF_NO_AUTOEN, + pdev->name, kbc); if (err) { dev_err(&pdev->dev, "failed to request keyboard IRQ\n"); return err; } - disable_irq(kbc->irq); - err = input_register_device(kbc->idev); if (err) { dev_err(&pdev->dev, "failed to register input device\n"); diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 7237dc440b98..498cde376981 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -763,6 +763,17 @@ config INPUT_IQS269A To compile this driver as a module, choose M here: the module will be called iqs269a. +config INPUT_IQS626A + tristate "Azoteq IQS626A capacitive touch controller" + depends on I2C + select REGMAP_I2C + help + Say Y to enable support for the Azoteq IQS626A capacitive + touch controller. + + To compile this driver as a module, choose M here: the + module will be called iqs626a. + config INPUT_CMA3000 tristate "VTI CMA3000 Tri-axis accelerometer" help diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 46db664a8bc4..f593beed7e05 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_INPUT_HISI_POWERKEY) += hisi_powerkey.o obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o obj-$(CONFIG_INPUT_IMS_PCU) += ims-pcu.o obj-$(CONFIG_INPUT_IQS269A) += iqs269a.o +obj-$(CONFIG_INPUT_IQS626A) += iqs626a.o obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o obj-$(CONFIG_INPUT_KXTJ9) += kxtj9.o diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 08b9b5cdb943..81de8c4e37d0 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -2018,7 +2018,6 @@ static int ims_pcu_probe(struct usb_interface *intf, } usb_set_intfdata(pcu->ctrl_intf, pcu); - usb_set_intfdata(pcu->data_intf, pcu); error = ims_pcu_buffers_alloc(pcu); if (error) diff --git a/drivers/input/misc/iqs626a.c b/drivers/input/misc/iqs626a.c new file mode 100644 index 000000000000..d57e996732cf --- /dev/null +++ b/drivers/input/misc/iqs626a.c @@ -0,0 +1,1838 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Azoteq IQS626A Capacitive Touch Controller + * + * Copyright (C) 2020 Jeff LaBundy <[email protected]> + * + * This driver registers up to 2 input devices: one representing capacitive or + * inductive keys as well as Hall-effect switches, and one for a trackpad that + * can express various gestures. + */ + +#include <linux/bits.h> +#include <linux/completion.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/input/touchscreen.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/property.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +#define IQS626_VER_INFO 0x00 +#define IQS626_VER_INFO_PROD_NUM 0x51 + +#define IQS626_SYS_FLAGS 0x02 +#define IQS626_SYS_FLAGS_SHOW_RESET BIT(15) +#define IQS626_SYS_FLAGS_IN_ATI BIT(12) +#define IQS626_SYS_FLAGS_PWR_MODE_MASK GENMASK(9, 8) +#define IQS626_SYS_FLAGS_PWR_MODE_SHIFT 8 + +#define IQS626_HALL_OUTPUT 0x23 + +#define IQS626_SYS_SETTINGS 0x80 +#define IQS626_SYS_SETTINGS_CLK_DIV BIT(15) +#define IQS626_SYS_SETTINGS_ULP_AUTO BIT(14) +#define IQS626_SYS_SETTINGS_DIS_AUTO BIT(13) +#define IQS626_SYS_SETTINGS_PWR_MODE_MASK GENMASK(12, 11) +#define IQS626_SYS_SETTINGS_PWR_MODE_SHIFT 11 +#define IQS626_SYS_SETTINGS_PWR_MODE_MAX 3 +#define IQS626_SYS_SETTINGS_ULP_UPDATE_MASK GENMASK(10, 8) +#define IQS626_SYS_SETTINGS_ULP_UPDATE_SHIFT 8 +#define IQS626_SYS_SETTINGS_ULP_UPDATE_MAX 7 +#define IQS626_SYS_SETTINGS_EVENT_MODE BIT(5) +#define IQS626_SYS_SETTINGS_EVENT_MODE_LP BIT(4) +#define IQS626_SYS_SETTINGS_REDO_ATI BIT(2) +#define IQS626_SYS_SETTINGS_ACK_RESET BIT(0) + +#define IQS626_MISC_A_ATI_BAND_DISABLE BIT(7) +#define IQS626_MISC_A_TPx_LTA_UPDATE_MASK GENMASK(6, 4) +#define IQS626_MISC_A_TPx_LTA_UPDATE_SHIFT 4 +#define IQS626_MISC_A_TPx_LTA_UPDATE_MAX 7 +#define IQS626_MISC_A_ATI_LP_ONLY BIT(3) +#define IQS626_MISC_A_GPIO3_SELECT_MASK GENMASK(2, 0) +#define IQS626_MISC_A_GPIO3_SELECT_MAX 7 + +#define IQS626_EVENT_MASK_SYS BIT(6) +#define IQS626_EVENT_MASK_GESTURE BIT(3) +#define IQS626_EVENT_MASK_DEEP BIT(2) +#define IQS626_EVENT_MASK_TOUCH BIT(1) +#define IQS626_EVENT_MASK_PROX BIT(0) + +#define IQS626_RATE_NP_MS_MAX 255 +#define IQS626_RATE_LP_MS_MAX 255 +#define IQS626_RATE_ULP_MS_MAX 4080 +#define IQS626_TIMEOUT_PWR_MS_MAX 130560 +#define IQS626_TIMEOUT_LTA_MS_MAX 130560 + +#define IQS626_MISC_B_RESEED_UI_SEL_MASK GENMASK(7, 6) +#define IQS626_MISC_B_RESEED_UI_SEL_SHIFT 6 +#define IQS626_MISC_B_RESEED_UI_SEL_MAX 3 +#define IQS626_MISC_B_THRESH_EXTEND BIT(5) +#define IQS626_MISC_B_TRACKING_UI_ENABLE BIT(4) +#define IQS626_MISC_B_TPx_SWIPE BIT(3) +#define IQS626_MISC_B_RESEED_OFFSET BIT(2) +#define IQS626_MISC_B_FILT_STR_TPx GENMASK(1, 0) + +#define IQS626_THRESH_SWIPE_MAX 255 +#define IQS626_TIMEOUT_TAP_MS_MAX 4080 +#define IQS626_TIMEOUT_SWIPE_MS_MAX 4080 + +#define IQS626_CHx_ENG_0_MEAS_CAP_SIZE BIT(7) +#define IQS626_CHx_ENG_0_RX_TERM_VSS BIT(5) +#define IQS626_CHx_ENG_0_LINEARIZE BIT(4) +#define IQS626_CHx_ENG_0_DUAL_DIR BIT(3) +#define IQS626_CHx_ENG_0_FILT_DISABLE BIT(2) +#define IQS626_CHx_ENG_0_ATI_MODE_MASK GENMASK(1, 0) +#define IQS626_CHx_ENG_0_ATI_MODE_MAX 3 + +#define IQS626_CHx_ENG_1_CCT_HIGH_1 BIT(7) +#define IQS626_CHx_ENG_1_CCT_HIGH_0 BIT(6) +#define IQS626_CHx_ENG_1_PROJ_BIAS_MASK GENMASK(5, 4) +#define IQS626_CHx_ENG_1_PROJ_BIAS_SHIFT 4 +#define IQS626_CHx_ENG_1_PROJ_BIAS_MAX 3 +#define IQS626_CHx_ENG_1_CCT_ENABLE BIT(3) +#define IQS626_CHx_ENG_1_SENSE_FREQ_MASK GENMASK(2, 1) +#define IQS626_CHx_ENG_1_SENSE_FREQ_SHIFT 1 +#define IQS626_CHx_ENG_1_SENSE_FREQ_MAX 3 +#define IQS626_CHx_ENG_1_ATI_BAND_TIGHTEN BIT(0) + +#define IQS626_CHx_ENG_2_LOCAL_CAP_MASK GENMASK(7, 6) +#define IQS626_CHx_ENG_2_LOCAL_CAP_SHIFT 6 +#define IQS626_CHx_ENG_2_LOCAL_CAP_MAX 3 +#define IQS626_CHx_ENG_2_LOCAL_CAP_ENABLE BIT(5) +#define IQS626_CHx_ENG_2_SENSE_MODE_MASK GENMASK(3, 0) +#define IQS626_CHx_ENG_2_SENSE_MODE_MAX 15 + +#define IQS626_CHx_ENG_3_TX_FREQ_MASK GENMASK(5, 4) +#define IQS626_CHx_ENG_3_TX_FREQ_SHIFT 4 +#define IQS626_CHx_ENG_3_TX_FREQ_MAX 3 +#define IQS626_CHx_ENG_3_INV_LOGIC BIT(0) + +#define IQS626_CHx_ENG_4_RX_TERM_VREG BIT(6) +#define IQS626_CHx_ENG_4_CCT_LOW_1 BIT(5) +#define IQS626_CHx_ENG_4_CCT_LOW_0 BIT(4) +#define IQS626_CHx_ENG_4_COMP_DISABLE BIT(1) +#define IQS626_CHx_ENG_4_STATIC_ENABLE BIT(0) + +#define IQS626_TPx_ATI_BASE_MIN 45 +#define IQS626_TPx_ATI_BASE_MAX 300 +#define IQS626_CHx_ATI_BASE_MASK GENMASK(7, 6) +#define IQS626_CHx_ATI_BASE_75 0x00 +#define IQS626_CHx_ATI_BASE_100 0x40 +#define IQS626_CHx_ATI_BASE_150 0x80 +#define IQS626_CHx_ATI_BASE_200 0xC0 +#define IQS626_CHx_ATI_TARGET_MASK GENMASK(5, 0) +#define IQS626_CHx_ATI_TARGET_MAX 2016 + +#define IQS626_CHx_THRESH_MAX 255 +#define IQS626_CHx_HYST_DEEP_MASK GENMASK(7, 4) +#define IQS626_CHx_HYST_DEEP_SHIFT 4 +#define IQS626_CHx_HYST_TOUCH_MASK GENMASK(3, 0) +#define IQS626_CHx_HYST_MAX 15 + +#define IQS626_FILT_STR_NP_TPx_MASK GENMASK(7, 6) +#define IQS626_FILT_STR_NP_TPx_SHIFT 6 +#define IQS626_FILT_STR_LP_TPx_MASK GENMASK(5, 4) +#define IQS626_FILT_STR_LP_TPx_SHIFT 4 + +#define IQS626_FILT_STR_NP_CNT_MASK GENMASK(7, 6) +#define IQS626_FILT_STR_NP_CNT_SHIFT 6 +#define IQS626_FILT_STR_LP_CNT_MASK GENMASK(5, 4) +#define IQS626_FILT_STR_LP_CNT_SHIFT 4 +#define IQS626_FILT_STR_NP_LTA_MASK GENMASK(3, 2) +#define IQS626_FILT_STR_NP_LTA_SHIFT 2 +#define IQS626_FILT_STR_LP_LTA_MASK GENMASK(1, 0) +#define IQS626_FILT_STR_MAX 3 + +#define IQS626_ULP_PROJ_ENABLE BIT(4) +#define IQS626_GEN_WEIGHT_MAX 255 + +#define IQS626_MAX_REG 0xFF + +#define IQS626_NUM_CH_TP_3 9 +#define IQS626_NUM_CH_TP_2 6 +#define IQS626_NUM_CH_GEN 3 +#define IQS626_NUM_CRx_TX 8 + +#define IQS626_PWR_MODE_POLL_SLEEP_US 50000 +#define IQS626_PWR_MODE_POLL_TIMEOUT_US 500000 + +#define iqs626_irq_wait() usleep_range(350, 400) + +enum iqs626_ch_id { + IQS626_CH_ULP_0, + IQS626_CH_TP_2, + IQS626_CH_TP_3, + IQS626_CH_GEN_0, + IQS626_CH_GEN_1, + IQS626_CH_GEN_2, + IQS626_CH_HALL, +}; + +enum iqs626_rx_inactive { + IQS626_RX_INACTIVE_VSS, + IQS626_RX_INACTIVE_FLOAT, + IQS626_RX_INACTIVE_VREG, +}; + +enum iqs626_st_offs { + IQS626_ST_OFFS_PROX, + IQS626_ST_OFFS_DIR, + IQS626_ST_OFFS_TOUCH, + IQS626_ST_OFFS_DEEP, +}; + +enum iqs626_th_offs { + IQS626_TH_OFFS_PROX, + IQS626_TH_OFFS_TOUCH, + IQS626_TH_OFFS_DEEP, +}; + +enum iqs626_event_id { + IQS626_EVENT_PROX_DN, + IQS626_EVENT_PROX_UP, + IQS626_EVENT_TOUCH_DN, + IQS626_EVENT_TOUCH_UP, + IQS626_EVENT_DEEP_DN, + IQS626_EVENT_DEEP_UP, +}; + +enum iqs626_gesture_id { + IQS626_GESTURE_FLICK_X_POS, + IQS626_GESTURE_FLICK_X_NEG, + IQS626_GESTURE_FLICK_Y_POS, + IQS626_GESTURE_FLICK_Y_NEG, + IQS626_GESTURE_TAP, + IQS626_GESTURE_HOLD, + IQS626_NUM_GESTURES, +}; + +struct iqs626_event_desc { + const char *name; + enum iqs626_st_offs st_offs; + enum iqs626_th_offs th_offs; + bool dir_up; + u8 mask; +}; + +static const struct iqs626_event_desc iqs626_events[] = { + [IQS626_EVENT_PROX_DN] = { + .name = "event-prox", + .st_offs = IQS626_ST_OFFS_PROX, + .th_offs = IQS626_TH_OFFS_PROX, + .mask = IQS626_EVENT_MASK_PROX, + }, + [IQS626_EVENT_PROX_UP] = { + .name = "event-prox-alt", + .st_offs = IQS626_ST_OFFS_PROX, + .th_offs = IQS626_TH_OFFS_PROX, + .dir_up = true, + .mask = IQS626_EVENT_MASK_PROX, + }, + [IQS626_EVENT_TOUCH_DN] = { + .name = "event-touch", + .st_offs = IQS626_ST_OFFS_TOUCH, + .th_offs = IQS626_TH_OFFS_TOUCH, + .mask = IQS626_EVENT_MASK_TOUCH, + }, + [IQS626_EVENT_TOUCH_UP] = { + .name = "event-touch-alt", + .st_offs = IQS626_ST_OFFS_TOUCH, + .th_offs = IQS626_TH_OFFS_TOUCH, + .dir_up = true, + .mask = IQS626_EVENT_MASK_TOUCH, + }, + [IQS626_EVENT_DEEP_DN] = { + .name = "event-deep", + .st_offs = IQS626_ST_OFFS_DEEP, + .th_offs = IQS626_TH_OFFS_DEEP, + .mask = IQS626_EVENT_MASK_DEEP, + }, + [IQS626_EVENT_DEEP_UP] = { + .name = "event-deep-alt", + .st_offs = IQS626_ST_OFFS_DEEP, + .th_offs = IQS626_TH_OFFS_DEEP, + .dir_up = true, + .mask = IQS626_EVENT_MASK_DEEP, + }, +}; + +struct iqs626_ver_info { + u8 prod_num; + u8 sw_num; + u8 hw_num; + u8 padding; +} __packed; + +struct iqs626_flags { + __be16 system; + u8 gesture; + u8 padding_a; + u8 states[4]; + u8 ref_active; + u8 padding_b; + u8 comp_min; + u8 comp_max; + u8 trackpad_x; + u8 trackpad_y; +} __packed; + +struct iqs626_ch_reg_ulp { + u8 thresh[2]; + u8 hyst; + u8 filter; + u8 engine[2]; + u8 ati_target; + u8 padding; + __be16 ati_comp; + u8 rx_enable; + u8 tx_enable; +} __packed; + +struct iqs626_ch_reg_tp { + u8 thresh; + u8 ati_base; + __be16 ati_comp; +} __packed; + +struct iqs626_tp_grp_reg { + u8 hyst; + u8 ati_target; + u8 engine[2]; + struct iqs626_ch_reg_tp ch_reg_tp[IQS626_NUM_CH_TP_3]; +} __packed; + +struct iqs626_ch_reg_gen { + u8 thresh[3]; + u8 padding; + u8 hyst; + u8 ati_target; + __be16 ati_comp; + u8 engine[5]; + u8 filter; + u8 rx_enable; + u8 tx_enable; + u8 assoc_select; + u8 assoc_weight; +} __packed; + +struct iqs626_ch_reg_hall { + u8 engine; + u8 thresh; + u8 hyst; + u8 ati_target; + __be16 ati_comp; +} __packed; + +struct iqs626_sys_reg { + __be16 general; + u8 misc_a; + u8 event_mask; + u8 active; + u8 reseed; + u8 rate_np; + u8 rate_lp; + u8 rate_ulp; + u8 timeout_pwr; + u8 timeout_rdy; + u8 timeout_lta; + u8 misc_b; + u8 thresh_swipe; + u8 timeout_tap; + u8 timeout_swipe; + u8 redo_ati; + u8 padding; + struct iqs626_ch_reg_ulp ch_reg_ulp; + struct iqs626_tp_grp_reg tp_grp_reg; + struct iqs626_ch_reg_gen ch_reg_gen[IQS626_NUM_CH_GEN]; + struct iqs626_ch_reg_hall ch_reg_hall; +} __packed; + +struct iqs626_channel_desc { + const char *name; + int num_ch; + u8 active; + bool events[ARRAY_SIZE(iqs626_events)]; +}; + +static const struct iqs626_channel_desc iqs626_channels[] = { + [IQS626_CH_ULP_0] = { + .name = "ulp-0", + .num_ch = 1, + .active = BIT(0), + .events = { + [IQS626_EVENT_PROX_DN] = true, + [IQS626_EVENT_PROX_UP] = true, + [IQS626_EVENT_TOUCH_DN] = true, + [IQS626_EVENT_TOUCH_UP] = true, + }, + }, + [IQS626_CH_TP_2] = { + .name = "trackpad-3x2", + .num_ch = IQS626_NUM_CH_TP_2, + .active = BIT(1), + .events = { + [IQS626_EVENT_TOUCH_DN] = true, + }, + }, + [IQS626_CH_TP_3] = { + .name = "trackpad-3x3", + .num_ch = IQS626_NUM_CH_TP_3, + .active = BIT(2) | BIT(1), + .events = { + [IQS626_EVENT_TOUCH_DN] = true, + }, + }, + [IQS626_CH_GEN_0] = { + .name = "generic-0", + .num_ch = 1, + .active = BIT(4), + .events = { + [IQS626_EVENT_PROX_DN] = true, + [IQS626_EVENT_PROX_UP] = true, + [IQS626_EVENT_TOUCH_DN] = true, + [IQS626_EVENT_TOUCH_UP] = true, + [IQS626_EVENT_DEEP_DN] = true, + [IQS626_EVENT_DEEP_UP] = true, + }, + }, + [IQS626_CH_GEN_1] = { + .name = "generic-1", + .num_ch = 1, + .active = BIT(5), + .events = { + [IQS626_EVENT_PROX_DN] = true, + [IQS626_EVENT_PROX_UP] = true, + [IQS626_EVENT_TOUCH_DN] = true, + [IQS626_EVENT_TOUCH_UP] = true, + [IQS626_EVENT_DEEP_DN] = true, + [IQS626_EVENT_DEEP_UP] = true, + }, + }, + [IQS626_CH_GEN_2] = { + .name = "generic-2", + .num_ch = 1, + .active = BIT(6), + .events = { + [IQS626_EVENT_PROX_DN] = true, + [IQS626_EVENT_PROX_UP] = true, + [IQS626_EVENT_TOUCH_DN] = true, + [IQS626_EVENT_TOUCH_UP] = true, + [IQS626_EVENT_DEEP_DN] = true, + [IQS626_EVENT_DEEP_UP] = true, + }, + }, + [IQS626_CH_HALL] = { + .name = "hall", + .num_ch = 1, + .active = BIT(7), + .events = { + [IQS626_EVENT_TOUCH_DN] = true, + [IQS626_EVENT_TOUCH_UP] = true, + }, + }, +}; + +struct iqs626_private { + struct i2c_client *client; + struct regmap *regmap; + struct iqs626_sys_reg sys_reg; + struct completion ati_done; + struct input_dev *keypad; + struct input_dev *trackpad; + struct touchscreen_properties prop; + unsigned int kp_type[ARRAY_SIZE(iqs626_channels)] + [ARRAY_SIZE(iqs626_events)]; + unsigned int kp_code[ARRAY_SIZE(iqs626_channels)] + [ARRAY_SIZE(iqs626_events)]; + unsigned int tp_code[IQS626_NUM_GESTURES]; + unsigned int suspend_mode; +}; + +static int iqs626_parse_events(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) +{ + struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; + struct i2c_client *client = iqs626->client; + const struct fwnode_handle *ev_node; + const char *ev_name; + u8 *thresh, *hyst; + unsigned int thresh_tp[IQS626_NUM_CH_TP_3]; + unsigned int val; + int num_ch = iqs626_channels[ch_id].num_ch; + int error, i, j; + + switch (ch_id) { + case IQS626_CH_ULP_0: + thresh = sys_reg->ch_reg_ulp.thresh; + hyst = &sys_reg->ch_reg_ulp.hyst; + break; + + case IQS626_CH_TP_2: + case IQS626_CH_TP_3: + thresh = &sys_reg->tp_grp_reg.ch_reg_tp[0].thresh; + hyst = &sys_reg->tp_grp_reg.hyst; + break; + + case IQS626_CH_GEN_0: + case IQS626_CH_GEN_1: + case IQS626_CH_GEN_2: + i = ch_id - IQS626_CH_GEN_0; + thresh = sys_reg->ch_reg_gen[i].thresh; + hyst = &sys_reg->ch_reg_gen[i].hyst; + break; + + case IQS626_CH_HALL: + thresh = &sys_reg->ch_reg_hall.thresh; + hyst = &sys_reg->ch_reg_hall.hyst; + break; + + default: + return -EINVAL; + } + + for (i = 0; i < ARRAY_SIZE(iqs626_events); i++) { + if (!iqs626_channels[ch_id].events[i]) + continue; + + if (ch_id == IQS626_CH_TP_2 || ch_id == IQS626_CH_TP_3) { + /* + * Trackpad touch events are simply described under the + * trackpad child node. + */ + ev_node = ch_node; + } else { + ev_name = iqs626_events[i].name; + ev_node = fwnode_get_named_child_node(ch_node, ev_name); + if (!ev_node) + continue; + + if (!fwnode_property_read_u32(ev_node, "linux,code", + &val)) { + iqs626->kp_code[ch_id][i] = val; + + if (fwnode_property_read_u32(ev_node, + "linux,input-type", + &val)) { + if (ch_id == IQS626_CH_HALL) + val = EV_SW; + else + val = EV_KEY; + } + + if (val != EV_KEY && val != EV_SW) { + dev_err(&client->dev, + "Invalid input type: %u\n", + val); + return -EINVAL; + } + + iqs626->kp_type[ch_id][i] = val; + + sys_reg->event_mask &= ~iqs626_events[i].mask; + } + } + + if (!fwnode_property_read_u32(ev_node, "azoteq,hyst", &val)) { + if (val > IQS626_CHx_HYST_MAX) { + dev_err(&client->dev, + "Invalid %s channel hysteresis: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + if (i == IQS626_EVENT_DEEP_DN || + i == IQS626_EVENT_DEEP_UP) { + *hyst &= ~IQS626_CHx_HYST_DEEP_MASK; + *hyst |= (val << IQS626_CHx_HYST_DEEP_SHIFT); + } else if (i == IQS626_EVENT_TOUCH_DN || + i == IQS626_EVENT_TOUCH_UP) { + *hyst &= ~IQS626_CHx_HYST_TOUCH_MASK; + *hyst |= val; + } + } + + if (ch_id != IQS626_CH_TP_2 && ch_id != IQS626_CH_TP_3 && + !fwnode_property_read_u32(ev_node, "azoteq,thresh", &val)) { + if (val > IQS626_CHx_THRESH_MAX) { + dev_err(&client->dev, + "Invalid %s channel threshold: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + if (ch_id == IQS626_CH_HALL) + *thresh = val; + else + *(thresh + iqs626_events[i].th_offs) = val; + + continue; + } + + if (!fwnode_property_present(ev_node, "azoteq,thresh")) + continue; + + error = fwnode_property_read_u32_array(ev_node, "azoteq,thresh", + thresh_tp, num_ch); + if (error) { + dev_err(&client->dev, + "Failed to read %s channel thresholds: %d\n", + fwnode_get_name(ch_node), error); + return error; + } + + for (j = 0; j < num_ch; j++) { + if (thresh_tp[j] > IQS626_CHx_THRESH_MAX) { + dev_err(&client->dev, + "Invalid %s channel threshold: %u\n", + fwnode_get_name(ch_node), thresh_tp[j]); + return -EINVAL; + } + + sys_reg->tp_grp_reg.ch_reg_tp[j].thresh = thresh_tp[j]; + } + } + + return 0; +} + +static int iqs626_parse_ati_target(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) +{ + struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; + struct i2c_client *client = iqs626->client; + unsigned int ati_base[IQS626_NUM_CH_TP_3]; + unsigned int val; + u8 *ati_target; + int num_ch = iqs626_channels[ch_id].num_ch; + int error, i; + + switch (ch_id) { + case IQS626_CH_ULP_0: + ati_target = &sys_reg->ch_reg_ulp.ati_target; + break; + + case IQS626_CH_TP_2: + case IQS626_CH_TP_3: + ati_target = &sys_reg->tp_grp_reg.ati_target; + break; + + case IQS626_CH_GEN_0: + case IQS626_CH_GEN_1: + case IQS626_CH_GEN_2: + i = ch_id - IQS626_CH_GEN_0; + ati_target = &sys_reg->ch_reg_gen[i].ati_target; + break; + + case IQS626_CH_HALL: + ati_target = &sys_reg->ch_reg_hall.ati_target; + break; + + default: + return -EINVAL; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,ati-target", &val)) { + if (val > IQS626_CHx_ATI_TARGET_MAX) { + dev_err(&client->dev, + "Invalid %s channel ATI target: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *ati_target &= ~IQS626_CHx_ATI_TARGET_MASK; + *ati_target |= (val / 32); + } + + if (ch_id != IQS626_CH_TP_2 && ch_id != IQS626_CH_TP_3 && + !fwnode_property_read_u32(ch_node, "azoteq,ati-base", &val)) { + switch (val) { + case 75: + val = IQS626_CHx_ATI_BASE_75; + break; + + case 100: + val = IQS626_CHx_ATI_BASE_100; + break; + + case 150: + val = IQS626_CHx_ATI_BASE_150; + break; + + case 200: + val = IQS626_CHx_ATI_BASE_200; + break; + + default: + dev_err(&client->dev, + "Invalid %s channel ATI base: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *ati_target &= ~IQS626_CHx_ATI_BASE_MASK; + *ati_target |= val; + + return 0; + } + + if (!fwnode_property_present(ch_node, "azoteq,ati-base")) + return 0; + + error = fwnode_property_read_u32_array(ch_node, "azoteq,ati-base", + ati_base, num_ch); + if (error) { + dev_err(&client->dev, + "Failed to read %s channel ATI bases: %d\n", + fwnode_get_name(ch_node), error); + return error; + } + + for (i = 0; i < num_ch; i++) { + if (ati_base[i] < IQS626_TPx_ATI_BASE_MIN || + ati_base[i] > IQS626_TPx_ATI_BASE_MAX) { + dev_err(&client->dev, + "Invalid %s channel ATI base: %u\n", + fwnode_get_name(ch_node), ati_base[i]); + return -EINVAL; + } + + ati_base[i] -= IQS626_TPx_ATI_BASE_MIN; + sys_reg->tp_grp_reg.ch_reg_tp[i].ati_base = ati_base[i]; + } + + return 0; +} + +static int iqs626_parse_pins(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + const char *propname, u8 *enable) +{ + struct i2c_client *client = iqs626->client; + unsigned int val[IQS626_NUM_CRx_TX]; + int error, count, i; + + if (!fwnode_property_present(ch_node, propname)) + return 0; + + count = fwnode_property_count_u32(ch_node, propname); + if (count > IQS626_NUM_CRx_TX) { + dev_err(&client->dev, + "Too many %s channel CRX/TX pins present\n", + fwnode_get_name(ch_node)); + return -EINVAL; + } else if (count < 0) { + dev_err(&client->dev, + "Failed to count %s channel CRX/TX pins: %d\n", + fwnode_get_name(ch_node), count); + return count; + } + + error = fwnode_property_read_u32_array(ch_node, propname, val, count); + if (error) { + dev_err(&client->dev, + "Failed to read %s channel CRX/TX pins: %d\n", + fwnode_get_name(ch_node), error); + return error; + } + + *enable = 0; + + for (i = 0; i < count; i++) { + if (val[i] >= IQS626_NUM_CRx_TX) { + dev_err(&client->dev, + "Invalid %s channel CRX/TX pin: %u\n", + fwnode_get_name(ch_node), val[i]); + return -EINVAL; + } + + *enable |= BIT(val[i]); + } + + return 0; +} + +static int iqs626_parse_trackpad(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node) +{ + struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; + struct i2c_client *client = iqs626->client; + u8 *hyst = &sys_reg->tp_grp_reg.hyst; + unsigned int val; + int error, count; + + if (!fwnode_property_read_u32(ch_node, "azoteq,lta-update", &val)) { + if (val > IQS626_MISC_A_TPx_LTA_UPDATE_MAX) { + dev_err(&client->dev, + "Invalid %s channel update rate: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + sys_reg->misc_a &= ~IQS626_MISC_A_TPx_LTA_UPDATE_MASK; + sys_reg->misc_a |= (val << IQS626_MISC_A_TPx_LTA_UPDATE_SHIFT); + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,filt-str-trackpad", + &val)) { + if (val > IQS626_FILT_STR_MAX) { + dev_err(&client->dev, + "Invalid %s channel filter strength: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + sys_reg->misc_b &= ~IQS626_MISC_B_FILT_STR_TPx; + sys_reg->misc_b |= val; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,filt-str-np-cnt", + &val)) { + if (val > IQS626_FILT_STR_MAX) { + dev_err(&client->dev, + "Invalid %s channel filter strength: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *hyst &= ~IQS626_FILT_STR_NP_TPx_MASK; + *hyst |= (val << IQS626_FILT_STR_NP_TPx_SHIFT); + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,filt-str-lp-cnt", + &val)) { + if (val > IQS626_FILT_STR_MAX) { + dev_err(&client->dev, + "Invalid %s channel filter strength: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *hyst &= ~IQS626_FILT_STR_LP_TPx_MASK; + *hyst |= (val << IQS626_FILT_STR_LP_TPx_SHIFT); + } + + if (!fwnode_property_present(ch_node, "linux,keycodes")) + return 0; + + count = fwnode_property_count_u32(ch_node, "linux,keycodes"); + if (count > IQS626_NUM_GESTURES) { + dev_err(&client->dev, "Too many keycodes present\n"); + return -EINVAL; + } else if (count < 0) { + dev_err(&client->dev, "Failed to count keycodes: %d\n", count); + return count; + } + + error = fwnode_property_read_u32_array(ch_node, "linux,keycodes", + iqs626->tp_code, count); + if (error) { + dev_err(&client->dev, "Failed to read keycodes: %d\n", error); + return error; + } + + sys_reg->misc_b &= ~IQS626_MISC_B_TPx_SWIPE; + if (fwnode_property_present(ch_node, "azoteq,gesture-swipe")) + sys_reg->misc_b |= IQS626_MISC_B_TPx_SWIPE; + + if (!fwnode_property_read_u32(ch_node, "azoteq,timeout-tap-ms", + &val)) { + if (val > IQS626_TIMEOUT_TAP_MS_MAX) { + dev_err(&client->dev, + "Invalid %s channel timeout: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + sys_reg->timeout_tap = val / 16; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,timeout-swipe-ms", + &val)) { + if (val > IQS626_TIMEOUT_SWIPE_MS_MAX) { + dev_err(&client->dev, + "Invalid %s channel timeout: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + sys_reg->timeout_swipe = val / 16; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,thresh-swipe", + &val)) { + if (val > IQS626_THRESH_SWIPE_MAX) { + dev_err(&client->dev, + "Invalid %s channel threshold: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + sys_reg->thresh_swipe = val; + } + + sys_reg->event_mask &= ~IQS626_EVENT_MASK_GESTURE; + + return 0; +} + +static int iqs626_parse_channel(struct iqs626_private *iqs626, + const struct fwnode_handle *ch_node, + enum iqs626_ch_id ch_id) +{ + struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; + struct i2c_client *client = iqs626->client; + u8 *engine, *filter, *rx_enable, *tx_enable; + u8 *assoc_select, *assoc_weight; + unsigned int val; + int error, i; + + switch (ch_id) { + case IQS626_CH_ULP_0: + engine = sys_reg->ch_reg_ulp.engine; + break; + + case IQS626_CH_TP_2: + case IQS626_CH_TP_3: + engine = sys_reg->tp_grp_reg.engine; + break; + + case IQS626_CH_GEN_0: + case IQS626_CH_GEN_1: + case IQS626_CH_GEN_2: + i = ch_id - IQS626_CH_GEN_0; + engine = sys_reg->ch_reg_gen[i].engine; + break; + + case IQS626_CH_HALL: + engine = &sys_reg->ch_reg_hall.engine; + break; + + default: + return -EINVAL; + } + + *engine |= IQS626_CHx_ENG_0_MEAS_CAP_SIZE; + if (fwnode_property_present(ch_node, "azoteq,meas-cap-decrease")) + *engine &= ~IQS626_CHx_ENG_0_MEAS_CAP_SIZE; + + *engine |= IQS626_CHx_ENG_0_RX_TERM_VSS; + if (!fwnode_property_read_u32(ch_node, "azoteq,rx-inactive", &val)) { + switch (val) { + case IQS626_RX_INACTIVE_VSS: + break; + + case IQS626_RX_INACTIVE_FLOAT: + *engine &= ~IQS626_CHx_ENG_0_RX_TERM_VSS; + if (ch_id == IQS626_CH_GEN_0 || + ch_id == IQS626_CH_GEN_1 || + ch_id == IQS626_CH_GEN_2) + *(engine + 4) &= ~IQS626_CHx_ENG_4_RX_TERM_VREG; + break; + + case IQS626_RX_INACTIVE_VREG: + if (ch_id == IQS626_CH_GEN_0 || + ch_id == IQS626_CH_GEN_1 || + ch_id == IQS626_CH_GEN_2) { + *engine &= ~IQS626_CHx_ENG_0_RX_TERM_VSS; + *(engine + 4) |= IQS626_CHx_ENG_4_RX_TERM_VREG; + break; + } + fallthrough; + + default: + dev_err(&client->dev, + "Invalid %s channel CRX pin termination: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + } + + *engine &= ~IQS626_CHx_ENG_0_LINEARIZE; + if (fwnode_property_present(ch_node, "azoteq,linearize")) + *engine |= IQS626_CHx_ENG_0_LINEARIZE; + + *engine &= ~IQS626_CHx_ENG_0_DUAL_DIR; + if (fwnode_property_present(ch_node, "azoteq,dual-direction")) + *engine |= IQS626_CHx_ENG_0_DUAL_DIR; + + *engine &= ~IQS626_CHx_ENG_0_FILT_DISABLE; + if (fwnode_property_present(ch_node, "azoteq,filt-disable")) + *engine |= IQS626_CHx_ENG_0_FILT_DISABLE; + + if (!fwnode_property_read_u32(ch_node, "azoteq,ati-mode", &val)) { + if (val > IQS626_CHx_ENG_0_ATI_MODE_MAX) { + dev_err(&client->dev, + "Invalid %s channel ATI mode: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *engine &= ~IQS626_CHx_ENG_0_ATI_MODE_MASK; + *engine |= val; + } + + if (ch_id == IQS626_CH_HALL) + return 0; + + *(engine + 1) &= ~IQS626_CHx_ENG_1_CCT_ENABLE; + if (!fwnode_property_read_u32(ch_node, "azoteq,cct-increase", + &val) && val) { + unsigned int orig_val = val--; + + /* + * In the case of the generic channels, the charge cycle time + * field doubles in size and straddles two separate registers. + */ + if (ch_id == IQS626_CH_GEN_0 || + ch_id == IQS626_CH_GEN_1 || + ch_id == IQS626_CH_GEN_2) { + *(engine + 4) &= ~IQS626_CHx_ENG_4_CCT_LOW_1; + if (val & BIT(1)) + *(engine + 4) |= IQS626_CHx_ENG_4_CCT_LOW_1; + + *(engine + 4) &= ~IQS626_CHx_ENG_4_CCT_LOW_0; + if (val & BIT(0)) + *(engine + 4) |= IQS626_CHx_ENG_4_CCT_LOW_0; + + val >>= 2; + } + + if (val & ~GENMASK(1, 0)) { + dev_err(&client->dev, + "Invalid %s channel charge cycle time: %u\n", + fwnode_get_name(ch_node), orig_val); + return -EINVAL; + } + + *(engine + 1) &= ~IQS626_CHx_ENG_1_CCT_HIGH_1; + if (val & BIT(1)) + *(engine + 1) |= IQS626_CHx_ENG_1_CCT_HIGH_1; + + *(engine + 1) &= ~IQS626_CHx_ENG_1_CCT_HIGH_0; + if (val & BIT(0)) + *(engine + 1) |= IQS626_CHx_ENG_1_CCT_HIGH_0; + + *(engine + 1) |= IQS626_CHx_ENG_1_CCT_ENABLE; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,proj-bias", &val)) { + if (val > IQS626_CHx_ENG_1_PROJ_BIAS_MAX) { + dev_err(&client->dev, + "Invalid %s channel bias current: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *(engine + 1) &= ~IQS626_CHx_ENG_1_PROJ_BIAS_MASK; + *(engine + 1) |= (val << IQS626_CHx_ENG_1_PROJ_BIAS_SHIFT); + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,sense-freq", &val)) { + if (val > IQS626_CHx_ENG_1_SENSE_FREQ_MAX) { + dev_err(&client->dev, + "Invalid %s channel sensing frequency: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *(engine + 1) &= ~IQS626_CHx_ENG_1_SENSE_FREQ_MASK; + *(engine + 1) |= (val << IQS626_CHx_ENG_1_SENSE_FREQ_SHIFT); + } + + *(engine + 1) &= ~IQS626_CHx_ENG_1_ATI_BAND_TIGHTEN; + if (fwnode_property_present(ch_node, "azoteq,ati-band-tighten")) + *(engine + 1) |= IQS626_CHx_ENG_1_ATI_BAND_TIGHTEN; + + if (ch_id == IQS626_CH_TP_2 || ch_id == IQS626_CH_TP_3) + return iqs626_parse_trackpad(iqs626, ch_node); + + if (ch_id == IQS626_CH_ULP_0) { + sys_reg->ch_reg_ulp.hyst &= ~IQS626_ULP_PROJ_ENABLE; + if (fwnode_property_present(ch_node, "azoteq,proj-enable")) + sys_reg->ch_reg_ulp.hyst |= IQS626_ULP_PROJ_ENABLE; + + filter = &sys_reg->ch_reg_ulp.filter; + + rx_enable = &sys_reg->ch_reg_ulp.rx_enable; + tx_enable = &sys_reg->ch_reg_ulp.tx_enable; + } else { + i = ch_id - IQS626_CH_GEN_0; + filter = &sys_reg->ch_reg_gen[i].filter; + + rx_enable = &sys_reg->ch_reg_gen[i].rx_enable; + tx_enable = &sys_reg->ch_reg_gen[i].tx_enable; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,filt-str-np-cnt", + &val)) { + if (val > IQS626_FILT_STR_MAX) { + dev_err(&client->dev, + "Invalid %s channel filter strength: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *filter &= ~IQS626_FILT_STR_NP_CNT_MASK; + *filter |= (val << IQS626_FILT_STR_NP_CNT_SHIFT); + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,filt-str-lp-cnt", + &val)) { + if (val > IQS626_FILT_STR_MAX) { + dev_err(&client->dev, + "Invalid %s channel filter strength: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *filter &= ~IQS626_FILT_STR_LP_CNT_MASK; + *filter |= (val << IQS626_FILT_STR_LP_CNT_SHIFT); + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,filt-str-np-lta", + &val)) { + if (val > IQS626_FILT_STR_MAX) { + dev_err(&client->dev, + "Invalid %s channel filter strength: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *filter &= ~IQS626_FILT_STR_NP_LTA_MASK; + *filter |= (val << IQS626_FILT_STR_NP_LTA_SHIFT); + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,filt-str-lp-lta", + &val)) { + if (val > IQS626_FILT_STR_MAX) { + dev_err(&client->dev, + "Invalid %s channel filter strength: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *filter &= ~IQS626_FILT_STR_LP_LTA_MASK; + *filter |= val; + } + + error = iqs626_parse_pins(iqs626, ch_node, "azoteq,rx-enable", + rx_enable); + if (error) + return error; + + error = iqs626_parse_pins(iqs626, ch_node, "azoteq,tx-enable", + tx_enable); + if (error) + return error; + + if (ch_id == IQS626_CH_ULP_0) + return 0; + + *(engine + 2) &= ~IQS626_CHx_ENG_2_LOCAL_CAP_ENABLE; + if (!fwnode_property_read_u32(ch_node, "azoteq,local-cap-size", + &val) && val) { + unsigned int orig_val = val--; + + if (val > IQS626_CHx_ENG_2_LOCAL_CAP_MAX) { + dev_err(&client->dev, + "Invalid %s channel local cap. size: %u\n", + fwnode_get_name(ch_node), orig_val); + return -EINVAL; + } + + *(engine + 2) &= ~IQS626_CHx_ENG_2_LOCAL_CAP_MASK; + *(engine + 2) |= (val << IQS626_CHx_ENG_2_LOCAL_CAP_SHIFT); + + *(engine + 2) |= IQS626_CHx_ENG_2_LOCAL_CAP_ENABLE; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,sense-mode", &val)) { + if (val > IQS626_CHx_ENG_2_SENSE_MODE_MAX) { + dev_err(&client->dev, + "Invalid %s channel sensing mode: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *(engine + 2) &= ~IQS626_CHx_ENG_2_SENSE_MODE_MASK; + *(engine + 2) |= val; + } + + if (!fwnode_property_read_u32(ch_node, "azoteq,tx-freq", &val)) { + if (val > IQS626_CHx_ENG_3_TX_FREQ_MAX) { + dev_err(&client->dev, + "Invalid %s channel excitation frequency: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *(engine + 3) &= ~IQS626_CHx_ENG_3_TX_FREQ_MASK; + *(engine + 3) |= (val << IQS626_CHx_ENG_3_TX_FREQ_SHIFT); + } + + *(engine + 3) &= ~IQS626_CHx_ENG_3_INV_LOGIC; + if (fwnode_property_present(ch_node, "azoteq,invert-enable")) + *(engine + 3) |= IQS626_CHx_ENG_3_INV_LOGIC; + + *(engine + 4) &= ~IQS626_CHx_ENG_4_COMP_DISABLE; + if (fwnode_property_present(ch_node, "azoteq,comp-disable")) + *(engine + 4) |= IQS626_CHx_ENG_4_COMP_DISABLE; + + *(engine + 4) &= ~IQS626_CHx_ENG_4_STATIC_ENABLE; + if (fwnode_property_present(ch_node, "azoteq,static-enable")) + *(engine + 4) |= IQS626_CHx_ENG_4_STATIC_ENABLE; + + i = ch_id - IQS626_CH_GEN_0; + assoc_select = &sys_reg->ch_reg_gen[i].assoc_select; + assoc_weight = &sys_reg->ch_reg_gen[i].assoc_weight; + + *assoc_select = 0; + if (!fwnode_property_present(ch_node, "azoteq,assoc-select")) + return 0; + + for (i = 0; i < ARRAY_SIZE(iqs626_channels); i++) { + if (fwnode_property_match_string(ch_node, "azoteq,assoc-select", + iqs626_channels[i].name) < 0) + continue; + + *assoc_select |= iqs626_channels[i].active; + } + + if (fwnode_property_read_u32(ch_node, "azoteq,assoc-weight", &val)) + return 0; + + if (val > IQS626_GEN_WEIGHT_MAX) { + dev_err(&client->dev, + "Invalid %s channel associated weight: %u\n", + fwnode_get_name(ch_node), val); + return -EINVAL; + } + + *assoc_weight = val; + + return 0; +} + +static int iqs626_parse_prop(struct iqs626_private *iqs626) +{ + struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; + struct i2c_client *client = iqs626->client; + struct fwnode_handle *ch_node; + unsigned int val; + int error, i; + u16 general; + + if (!device_property_read_u32(&client->dev, "azoteq,suspend-mode", + &val)) { + if (val > IQS626_SYS_SETTINGS_PWR_MODE_MAX) { + dev_err(&client->dev, "Invalid suspend mode: %u\n", + val); + return -EINVAL; + } + + iqs626->suspend_mode = val; + } + + error = regmap_raw_read(iqs626->regmap, IQS626_SYS_SETTINGS, sys_reg, + sizeof(*sys_reg)); + if (error) + return error; + + general = be16_to_cpu(sys_reg->general); + general &= IQS626_SYS_SETTINGS_ULP_UPDATE_MASK; + + if (device_property_present(&client->dev, "azoteq,clk-div")) + general |= IQS626_SYS_SETTINGS_CLK_DIV; + + if (device_property_present(&client->dev, "azoteq,ulp-enable")) + general |= IQS626_SYS_SETTINGS_ULP_AUTO; + + if (!device_property_read_u32(&client->dev, "azoteq,ulp-update", + &val)) { + if (val > IQS626_SYS_SETTINGS_ULP_UPDATE_MAX) { + dev_err(&client->dev, "Invalid update rate: %u\n", val); + return -EINVAL; + } + + general &= ~IQS626_SYS_SETTINGS_ULP_UPDATE_MASK; + general |= (val << IQS626_SYS_SETTINGS_ULP_UPDATE_SHIFT); + } + + sys_reg->misc_a &= ~IQS626_MISC_A_ATI_BAND_DISABLE; + if (device_property_present(&client->dev, "azoteq,ati-band-disable")) + sys_reg->misc_a |= IQS626_MISC_A_ATI_BAND_DISABLE; + + sys_reg->misc_a &= ~IQS626_MISC_A_ATI_LP_ONLY; + if (device_property_present(&client->dev, "azoteq,ati-lp-only")) + sys_reg->misc_a |= IQS626_MISC_A_ATI_LP_ONLY; + + if (!device_property_read_u32(&client->dev, "azoteq,gpio3-select", + &val)) { + if (val > IQS626_MISC_A_GPIO3_SELECT_MAX) { + dev_err(&client->dev, "Invalid GPIO3 selection: %u\n", + val); + return -EINVAL; + } + + sys_reg->misc_a &= ~IQS626_MISC_A_GPIO3_SELECT_MASK; + sys_reg->misc_a |= val; + } + + if (!device_property_read_u32(&client->dev, "azoteq,reseed-select", + &val)) { + if (val > IQS626_MISC_B_RESEED_UI_SEL_MAX) { + dev_err(&client->dev, "Invalid reseed selection: %u\n", + val); + return -EINVAL; + } + + sys_reg->misc_b &= ~IQS626_MISC_B_RESEED_UI_SEL_MASK; + sys_reg->misc_b |= (val << IQS626_MISC_B_RESEED_UI_SEL_SHIFT); + } + + sys_reg->misc_b &= ~IQS626_MISC_B_THRESH_EXTEND; + if (device_property_present(&client->dev, "azoteq,thresh-extend")) + sys_reg->misc_b |= IQS626_MISC_B_THRESH_EXTEND; + + sys_reg->misc_b &= ~IQS626_MISC_B_TRACKING_UI_ENABLE; + if (device_property_present(&client->dev, "azoteq,tracking-enable")) + sys_reg->misc_b |= IQS626_MISC_B_TRACKING_UI_ENABLE; + + sys_reg->misc_b &= ~IQS626_MISC_B_RESEED_OFFSET; + if (device_property_present(&client->dev, "azoteq,reseed-offset")) + sys_reg->misc_b |= IQS626_MISC_B_RESEED_OFFSET; + + if (!device_property_read_u32(&client->dev, "azoteq,rate-np-ms", + &val)) { + if (val > IQS626_RATE_NP_MS_MAX) { + dev_err(&client->dev, "Invalid report rate: %u\n", val); + return -EINVAL; + } + + sys_reg->rate_np = val; + } + + if (!device_property_read_u32(&client->dev, "azoteq,rate-lp-ms", + &val)) { + if (val > IQS626_RATE_LP_MS_MAX) { + dev_err(&client->dev, "Invalid report rate: %u\n", val); + return -EINVAL; + } + + sys_reg->rate_lp = val; + } + + if (!device_property_read_u32(&client->dev, "azoteq,rate-ulp-ms", + &val)) { + if (val > IQS626_RATE_ULP_MS_MAX) { + dev_err(&client->dev, "Invalid report rate: %u\n", val); + return -EINVAL; + } + + sys_reg->rate_ulp = val / 16; + } + + if (!device_property_read_u32(&client->dev, "azoteq,timeout-pwr-ms", + &val)) { + if (val > IQS626_TIMEOUT_PWR_MS_MAX) { + dev_err(&client->dev, "Invalid timeout: %u\n", val); + return -EINVAL; + } + + sys_reg->timeout_pwr = val / 512; + } + + if (!device_property_read_u32(&client->dev, "azoteq,timeout-lta-ms", + &val)) { + if (val > IQS626_TIMEOUT_LTA_MS_MAX) { + dev_err(&client->dev, "Invalid timeout: %u\n", val); + return -EINVAL; + } + + sys_reg->timeout_lta = val / 512; + } + + sys_reg->event_mask = ~((u8)IQS626_EVENT_MASK_SYS); + sys_reg->redo_ati = 0; + + sys_reg->reseed = 0; + sys_reg->active = 0; + + for (i = 0; i < ARRAY_SIZE(iqs626_channels); i++) { + ch_node = device_get_named_child_node(&client->dev, + iqs626_channels[i].name); + if (!ch_node) + continue; + + error = iqs626_parse_channel(iqs626, ch_node, i); + if (error) + return error; + + error = iqs626_parse_ati_target(iqs626, ch_node, i); + if (error) + return error; + + error = iqs626_parse_events(iqs626, ch_node, i); + if (error) + return error; + + if (!fwnode_property_present(ch_node, "azoteq,ati-exclude")) + sys_reg->redo_ati |= iqs626_channels[i].active; + + if (!fwnode_property_present(ch_node, "azoteq,reseed-disable")) + sys_reg->reseed |= iqs626_channels[i].active; + + sys_reg->active |= iqs626_channels[i].active; + } + + general |= IQS626_SYS_SETTINGS_EVENT_MODE; + + /* + * Enable streaming during normal-power mode if the trackpad is used to + * report raw coordinates instead of gestures. In that case, the device + * returns to event mode during low-power mode. + */ + if (sys_reg->active & iqs626_channels[IQS626_CH_TP_2].active && + sys_reg->event_mask & IQS626_EVENT_MASK_GESTURE) + general |= IQS626_SYS_SETTINGS_EVENT_MODE_LP; + + general |= IQS626_SYS_SETTINGS_REDO_ATI; + general |= IQS626_SYS_SETTINGS_ACK_RESET; + + sys_reg->general = cpu_to_be16(general); + + error = regmap_raw_write(iqs626->regmap, IQS626_SYS_SETTINGS, + &iqs626->sys_reg, sizeof(iqs626->sys_reg)); + if (error) + return error; + + iqs626_irq_wait(); + + return 0; +} + +static int iqs626_input_init(struct iqs626_private *iqs626) +{ + struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; + struct i2c_client *client = iqs626->client; + int error, i, j; + + iqs626->keypad = devm_input_allocate_device(&client->dev); + if (!iqs626->keypad) + return -ENOMEM; + + iqs626->keypad->keycodemax = ARRAY_SIZE(iqs626->kp_code); + iqs626->keypad->keycode = iqs626->kp_code; + iqs626->keypad->keycodesize = sizeof(**iqs626->kp_code); + + iqs626->keypad->name = "iqs626a_keypad"; + iqs626->keypad->id.bustype = BUS_I2C; + + for (i = 0; i < ARRAY_SIZE(iqs626_channels); i++) { + if (!(sys_reg->active & iqs626_channels[i].active)) + continue; + + for (j = 0; j < ARRAY_SIZE(iqs626_events); j++) { + if (!iqs626->kp_type[i][j]) + continue; + + input_set_capability(iqs626->keypad, + iqs626->kp_type[i][j], + iqs626->kp_code[i][j]); + } + } + + if (!(sys_reg->active & iqs626_channels[IQS626_CH_TP_2].active)) + return 0; + + iqs626->trackpad = devm_input_allocate_device(&client->dev); + if (!iqs626->trackpad) + return -ENOMEM; + + iqs626->trackpad->keycodemax = ARRAY_SIZE(iqs626->tp_code); + iqs626->trackpad->keycode = iqs626->tp_code; + iqs626->trackpad->keycodesize = sizeof(*iqs626->tp_code); + + iqs626->trackpad->name = "iqs626a_trackpad"; + iqs626->trackpad->id.bustype = BUS_I2C; + + /* + * Present the trackpad as a traditional pointing device if no gestures + * have been mapped to a keycode. + */ + if (sys_reg->event_mask & IQS626_EVENT_MASK_GESTURE) { + u8 tp_mask = iqs626_channels[IQS626_CH_TP_3].active; + + input_set_capability(iqs626->trackpad, EV_KEY, BTN_TOUCH); + input_set_abs_params(iqs626->trackpad, ABS_Y, 0, 255, 0, 0); + + if ((sys_reg->active & tp_mask) == tp_mask) + input_set_abs_params(iqs626->trackpad, + ABS_X, 0, 255, 0, 0); + else + input_set_abs_params(iqs626->trackpad, + ABS_X, 0, 128, 0, 0); + + touchscreen_parse_properties(iqs626->trackpad, false, + &iqs626->prop); + } else { + for (i = 0; i < IQS626_NUM_GESTURES; i++) + if (iqs626->tp_code[i] != KEY_RESERVED) + input_set_capability(iqs626->trackpad, EV_KEY, + iqs626->tp_code[i]); + } + + error = input_register_device(iqs626->trackpad); + if (error) + dev_err(&client->dev, "Failed to register trackpad: %d\n", + error); + + return error; +} + +static int iqs626_report(struct iqs626_private *iqs626) +{ + struct iqs626_sys_reg *sys_reg = &iqs626->sys_reg; + struct i2c_client *client = iqs626->client; + struct iqs626_flags flags; + __le16 hall_output; + int error, i, j; + u8 state; + u8 *dir_mask = &flags.states[IQS626_ST_OFFS_DIR]; + + error = regmap_raw_read(iqs626->regmap, IQS626_SYS_FLAGS, &flags, + sizeof(flags)); + if (error) { + dev_err(&client->dev, "Failed to read device status: %d\n", + error); + return error; + } + + /* + * The device resets itself if its own watchdog bites, which can happen + * in the event of an I2C communication error. In this case, the device + * asserts a SHOW_RESET interrupt and all registers must be restored. + */ + if (be16_to_cpu(flags.system) & IQS626_SYS_FLAGS_SHOW_RESET) { + dev_err(&client->dev, "Unexpected device reset\n"); + + error = regmap_raw_write(iqs626->regmap, IQS626_SYS_SETTINGS, + sys_reg, sizeof(*sys_reg)); + if (error) + dev_err(&client->dev, + "Failed to re-initialize device: %d\n", error); + + return error; + } + + if (be16_to_cpu(flags.system) & IQS626_SYS_FLAGS_IN_ATI) + return 0; + + /* + * Unlike the ULP or generic channels, the Hall channel does not have a + * direction flag. Instead, the direction (i.e. magnet polarity) can be + * derived based on the sign of the 2's complement differential output. + */ + if (sys_reg->active & iqs626_channels[IQS626_CH_HALL].active) { + error = regmap_raw_read(iqs626->regmap, IQS626_HALL_OUTPUT, + &hall_output, sizeof(hall_output)); + if (error) { + dev_err(&client->dev, + "Failed to read Hall output: %d\n", error); + return error; + } + + *dir_mask &= ~iqs626_channels[IQS626_CH_HALL].active; + if (le16_to_cpu(hall_output) < 0x8000) + *dir_mask |= iqs626_channels[IQS626_CH_HALL].active; + } + + for (i = 0; i < ARRAY_SIZE(iqs626_channels); i++) { + if (!(sys_reg->active & iqs626_channels[i].active)) + continue; + + for (j = 0; j < ARRAY_SIZE(iqs626_events); j++) { + if (!iqs626->kp_type[i][j]) + continue; + + state = flags.states[iqs626_events[j].st_offs]; + state &= iqs626_events[j].dir_up ? *dir_mask + : ~(*dir_mask); + state &= iqs626_channels[i].active; + + input_event(iqs626->keypad, iqs626->kp_type[i][j], + iqs626->kp_code[i][j], !!state); + } + } + + input_sync(iqs626->keypad); + + /* + * The following completion signals that ATI has finished, any initial + * switch states have been reported and the keypad can be registered. + */ + complete_all(&iqs626->ati_done); + + if (!(sys_reg->active & iqs626_channels[IQS626_CH_TP_2].active)) + return 0; + + if (sys_reg->event_mask & IQS626_EVENT_MASK_GESTURE) { + state = flags.states[IQS626_ST_OFFS_TOUCH]; + state &= iqs626_channels[IQS626_CH_TP_2].active; + + input_report_key(iqs626->trackpad, BTN_TOUCH, state); + + if (state) + touchscreen_report_pos(iqs626->trackpad, &iqs626->prop, + flags.trackpad_x, + flags.trackpad_y, false); + } else { + for (i = 0; i < IQS626_NUM_GESTURES; i++) + input_report_key(iqs626->trackpad, iqs626->tp_code[i], + flags.gesture & BIT(i)); + + if (flags.gesture & GENMASK(IQS626_GESTURE_TAP, 0)) { + input_sync(iqs626->trackpad); + + /* + * Momentary gestures are followed by a complementary + * release cycle so as to emulate a full keystroke. + */ + for (i = 0; i < IQS626_GESTURE_HOLD; i++) + input_report_key(iqs626->trackpad, + iqs626->tp_code[i], 0); + } + } + + input_sync(iqs626->trackpad); + + return 0; +} + +static irqreturn_t iqs626_irq(int irq, void *context) +{ + struct iqs626_private *iqs626 = context; + + if (iqs626_report(iqs626)) + return IRQ_NONE; + + /* + * The device does not deassert its interrupt (RDY) pin until shortly + * after receiving an I2C stop condition; the following delay ensures + * the interrupt handler does not return before this time. + */ + iqs626_irq_wait(); + + return IRQ_HANDLED; +} + +static const struct regmap_config iqs626_regmap_config = { + .reg_bits = 8, + .val_bits = 16, + .max_register = IQS626_MAX_REG, +}; + +static int iqs626_probe(struct i2c_client *client) +{ + struct iqs626_ver_info ver_info; + struct iqs626_private *iqs626; + int error; + + iqs626 = devm_kzalloc(&client->dev, sizeof(*iqs626), GFP_KERNEL); + if (!iqs626) + return -ENOMEM; + + i2c_set_clientdata(client, iqs626); + iqs626->client = client; + + iqs626->regmap = devm_regmap_init_i2c(client, &iqs626_regmap_config); + if (IS_ERR(iqs626->regmap)) { + error = PTR_ERR(iqs626->regmap); + dev_err(&client->dev, "Failed to initialize register map: %d\n", + error); + return error; + } + + init_completion(&iqs626->ati_done); + + error = regmap_raw_read(iqs626->regmap, IQS626_VER_INFO, &ver_info, + sizeof(ver_info)); + if (error) + return error; + + if (ver_info.prod_num != IQS626_VER_INFO_PROD_NUM) { + dev_err(&client->dev, "Unrecognized product number: 0x%02X\n", + ver_info.prod_num); + return -EINVAL; + } + + error = iqs626_parse_prop(iqs626); + if (error) + return error; + + error = iqs626_input_init(iqs626); + if (error) + return error; + + error = devm_request_threaded_irq(&client->dev, client->irq, + NULL, iqs626_irq, IRQF_ONESHOT, + client->name, iqs626); + if (error) { + dev_err(&client->dev, "Failed to request IRQ: %d\n", error); + return error; + } + + if (!wait_for_completion_timeout(&iqs626->ati_done, + msecs_to_jiffies(2000))) { + dev_err(&client->dev, "Failed to complete ATI\n"); + return -ETIMEDOUT; + } + + /* + * The keypad may include one or more switches and is not registered + * until ATI is complete and the initial switch states are read. + */ + error = input_register_device(iqs626->keypad); + if (error) + dev_err(&client->dev, "Failed to register keypad: %d\n", error); + + return error; +} + +static int __maybe_unused iqs626_suspend(struct device *dev) +{ + struct iqs626_private *iqs626 = dev_get_drvdata(dev); + struct i2c_client *client = iqs626->client; + unsigned int val; + int error; + + if (!iqs626->suspend_mode) + return 0; + + disable_irq(client->irq); + + /* + * Automatic power mode switching must be disabled before the device is + * forced into any particular power mode. In this case, the device will + * transition into normal-power mode. + */ + error = regmap_update_bits(iqs626->regmap, IQS626_SYS_SETTINGS, + IQS626_SYS_SETTINGS_DIS_AUTO, ~0); + if (error) + goto err_irq; + + /* + * The following check ensures the device has completed its transition + * into normal-power mode before a manual mode switch is performed. + */ + error = regmap_read_poll_timeout(iqs626->regmap, IQS626_SYS_FLAGS, val, + !(val & IQS626_SYS_FLAGS_PWR_MODE_MASK), + IQS626_PWR_MODE_POLL_SLEEP_US, + IQS626_PWR_MODE_POLL_TIMEOUT_US); + if (error) + goto err_irq; + + error = regmap_update_bits(iqs626->regmap, IQS626_SYS_SETTINGS, + IQS626_SYS_SETTINGS_PWR_MODE_MASK, + iqs626->suspend_mode << + IQS626_SYS_SETTINGS_PWR_MODE_SHIFT); + if (error) + goto err_irq; + + /* + * This last check ensures the device has completed its transition into + * the desired power mode to prevent any spurious interrupts from being + * triggered after iqs626_suspend has already returned. + */ + error = regmap_read_poll_timeout(iqs626->regmap, IQS626_SYS_FLAGS, val, + (val & IQS626_SYS_FLAGS_PWR_MODE_MASK) + == (iqs626->suspend_mode << + IQS626_SYS_FLAGS_PWR_MODE_SHIFT), + IQS626_PWR_MODE_POLL_SLEEP_US, + IQS626_PWR_MODE_POLL_TIMEOUT_US); + +err_irq: + iqs626_irq_wait(); + enable_irq(client->irq); + + return error; +} + +static int __maybe_unused iqs626_resume(struct device *dev) +{ + struct iqs626_private *iqs626 = dev_get_drvdata(dev); + struct i2c_client *client = iqs626->client; + unsigned int val; + int error; + + if (!iqs626->suspend_mode) + return 0; + + disable_irq(client->irq); + + error = regmap_update_bits(iqs626->regmap, IQS626_SYS_SETTINGS, + IQS626_SYS_SETTINGS_PWR_MODE_MASK, 0); + if (error) + goto err_irq; + + /* + * This check ensures the device has returned to normal-power mode + * before automatic power mode switching is re-enabled. + */ + error = regmap_read_poll_timeout(iqs626->regmap, IQS626_SYS_FLAGS, val, + !(val & IQS626_SYS_FLAGS_PWR_MODE_MASK), + IQS626_PWR_MODE_POLL_SLEEP_US, + IQS626_PWR_MODE_POLL_TIMEOUT_US); + if (error) + goto err_irq; + + error = regmap_update_bits(iqs626->regmap, IQS626_SYS_SETTINGS, + IQS626_SYS_SETTINGS_DIS_AUTO, 0); + if (error) + goto err_irq; + + /* + * This step reports any events that may have been "swallowed" as a + * result of polling PWR_MODE (which automatically acknowledges any + * pending interrupts). + */ + error = iqs626_report(iqs626); + +err_irq: + iqs626_irq_wait(); + enable_irq(client->irq); + + return error; +} + +static SIMPLE_DEV_PM_OPS(iqs626_pm, iqs626_suspend, iqs626_resume); + +static const struct of_device_id iqs626_of_match[] = { + { .compatible = "azoteq,iqs626a" }, + { } +}; +MODULE_DEVICE_TABLE(of, iqs626_of_match); + +static struct i2c_driver iqs626_i2c_driver = { + .driver = { + .name = "iqs626a", + .of_match_table = iqs626_of_match, + .pm = &iqs626_pm, + }, + .probe_new = iqs626_probe, +}; +module_i2c_driver(iqs626_i2c_driver); + +MODULE_AUTHOR("Jeff LaBundy <[email protected]>"); +MODULE_DESCRIPTION("Azoteq IQS626A Capacitive Touch Controller"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c index 20ff087b8a44..cd5e99ec1d3c 100644 --- a/drivers/input/misc/max8997_haptic.c +++ b/drivers/input/misc/max8997_haptic.c @@ -61,15 +61,10 @@ static int max8997_haptic_set_duty_cycle(struct max8997_haptic *chip) unsigned int duty = chip->pwm_period * chip->level / 100; ret = pwm_config(chip->pwm, duty, chip->pwm_period); } else { - int i; u8 duty_index = 0; - for (i = 0; i <= 64; i++) { - if (chip->level <= i * 100 / 64) { - duty_index = i; - break; - } - } + duty_index = DIV_ROUND_UP(chip->level * 64, 100); + switch (chip->internal_mode_pattern) { case 0: max8997_write_reg(chip->client, diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h index e12da5b024b0..dc4a240f4489 100644 --- a/drivers/input/mouse/elan_i2c.h +++ b/drivers/input/mouse/elan_i2c.h @@ -55,6 +55,11 @@ #define ETP_FW_PAGE_SIZE_512 512 #define ETP_FW_SIGNATURE_SIZE 6 +#define ETP_PRODUCT_ID_DELBIN 0x00C2 +#define ETP_PRODUCT_ID_VOXEL 0x00BF +#define ETP_PRODUCT_ID_MAGPIE 0x0120 +#define ETP_PRODUCT_ID_BOBBA 0x0121 + struct i2c_client; struct completion; @@ -73,7 +78,7 @@ struct elan_transport_ops { int (*calibrate_result)(struct i2c_client *client, u8 *val); int (*get_baseline_data)(struct i2c_client *client, - bool max_baseliune, u8 *value); + bool max_baseline, u8 *value); int (*get_version)(struct i2c_client *client, u8 pattern, bool iap, u8 *version); diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index bef73822315d..dad22c1ea6a0 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -46,6 +46,9 @@ #define ETP_FINGER_WIDTH 15 #define ETP_RETRY_COUNT 3 +/* quirks to control the device */ +#define ETP_QUIRK_QUICK_WAKEUP BIT(0) + /* The main device structure */ struct elan_tp_data { struct i2c_client *client; @@ -90,8 +93,38 @@ struct elan_tp_data { bool baseline_ready; u8 clickpad; bool middle_button; + + u32 quirks; /* Various quirks */ }; +static u32 elan_i2c_lookup_quirks(u16 ic_type, u16 product_id) +{ + static const struct { + u16 ic_type; + u16 product_id; + u32 quirks; + } elan_i2c_quirks[] = { + { 0x0D, ETP_PRODUCT_ID_DELBIN, ETP_QUIRK_QUICK_WAKEUP }, + { 0x10, ETP_PRODUCT_ID_VOXEL, ETP_QUIRK_QUICK_WAKEUP }, + { 0x14, ETP_PRODUCT_ID_MAGPIE, ETP_QUIRK_QUICK_WAKEUP }, + { 0x14, ETP_PRODUCT_ID_BOBBA, ETP_QUIRK_QUICK_WAKEUP }, + }; + u32 quirks = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(elan_i2c_quirks); i++) { + if (elan_i2c_quirks[i].ic_type == ic_type && + elan_i2c_quirks[i].product_id == product_id) { + quirks = elan_i2c_quirks[i].quirks; + } + } + + if (ic_type >= 0x0D && product_id >= 0x123) + quirks |= ETP_QUIRK_QUICK_WAKEUP; + + return quirks; +} + static int elan_get_fwinfo(u16 ic_type, u8 iap_version, u16 *validpage_count, u32 *signature_address, u16 *page_size) { @@ -258,16 +291,18 @@ static int elan_check_ASUS_special_fw(struct elan_tp_data *data) return false; } -static int __elan_initialize(struct elan_tp_data *data) +static int __elan_initialize(struct elan_tp_data *data, bool skip_reset) { struct i2c_client *client = data->client; bool woken_up = false; int error; - error = data->ops->initialize(client); - if (error) { - dev_err(&client->dev, "device initialize failed: %d\n", error); - return error; + if (!skip_reset) { + error = data->ops->initialize(client); + if (error) { + dev_err(&client->dev, "device initialize failed: %d\n", error); + return error; + } } error = elan_query_product(data); @@ -311,16 +346,17 @@ static int __elan_initialize(struct elan_tp_data *data) return 0; } -static int elan_initialize(struct elan_tp_data *data) +static int elan_initialize(struct elan_tp_data *data, bool skip_reset) { int repeat = ETP_RETRY_COUNT; int error; do { - error = __elan_initialize(data); + error = __elan_initialize(data, skip_reset); if (!error) return 0; + skip_reset = false; msleep(30); } while (--repeat > 0); @@ -357,6 +393,8 @@ static int elan_query_device_info(struct elan_tp_data *data) if (error) return error; + data->quirks = elan_i2c_lookup_quirks(data->ic_type, data->product_id); + error = elan_get_fwinfo(data->ic_type, data->iap_version, &data->fw_validpage_count, &data->fw_signature_address, @@ -546,7 +584,7 @@ static int elan_update_firmware(struct elan_tp_data *data, data->ops->iap_reset(client); } else { /* Reinitialize TP after fw is updated */ - elan_initialize(data); + elan_initialize(data, false); elan_query_device_info(data); } @@ -1247,7 +1285,7 @@ static int elan_probe(struct i2c_client *client, } /* Initialize the touchpad. */ - error = elan_initialize(data); + error = elan_initialize(data, false); if (error) return error; @@ -1384,7 +1422,7 @@ static int __maybe_unused elan_resume(struct device *dev) goto err; } - error = elan_initialize(data); + error = elan_initialize(data, data->quirks & ETP_QUIRK_QUICK_WAKEUP); if (error) dev_err(dev, "initialize when resuming failed: %d\n", error); diff --git a/drivers/input/serio/apbps2.c b/drivers/input/serio/apbps2.c index 594ac4e6f8ea..974d7bfae0a0 100644 --- a/drivers/input/serio/apbps2.c +++ b/drivers/input/serio/apbps2.c @@ -103,7 +103,6 @@ static int apbps2_open(struct serio *io) { struct apbps2_priv *priv = io->port_data; int limit; - unsigned long tmp; /* clear error flags */ iowrite32be(0, &priv->regs->status); @@ -111,7 +110,7 @@ static int apbps2_open(struct serio *io) /* Clear old data if available (unlikely) */ limit = 1024; while ((ioread32be(&priv->regs->status) & APBPS2_STATUS_DR) && --limit) - tmp = ioread32be(&priv->regs->data); + ioread32be(&priv->regs->data); /* Enable reciever and it's interrupt */ iowrite32be(APBPS2_CTRL_RE | APBPS2_CTRL_RI, &priv->regs->ctrl); diff --git a/drivers/input/touchscreen/of_touchscreen.c b/drivers/input/touchscreen.c index 97342e14b4f1..dd18cb917c4d 100644 --- a/drivers/input/touchscreen/of_touchscreen.c +++ b/drivers/input/touchscreen.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Generic DT helper functions for touchscreen devices + * Generic helper functions for touchscreens and other two-dimensional + * pointing devices * * Copyright (c) 2014 Sebastian Reichel <[email protected]> */ @@ -37,7 +38,7 @@ static void touchscreen_set_params(struct input_dev *dev, if (!test_bit(axis, dev->absbit)) { dev_warn(&dev->dev, - "DT specifies parameters but the axis %lu is not set up\n", + "Parameters are specified but the axis %lu is not set up\n", axis); return; } @@ -49,7 +50,7 @@ static void touchscreen_set_params(struct input_dev *dev, } /** - * touchscreen_parse_properties - parse common touchscreen DT properties + * touchscreen_parse_properties - parse common touchscreen properties * @input: input device that should be parsed * @multitouch: specifies whether parsed properties should be applied to * single-touch or multi-touch axes @@ -57,9 +58,9 @@ static void touchscreen_set_params(struct input_dev *dev, * axis swap and invert info for use with touchscreen_report_x_y(); * or %NULL * - * This function parses common DT properties for touchscreens and setups the + * This function parses common properties for touchscreens and sets up the * input device accordingly. The function keeps previously set up default - * values if no value is specified via DT. + * values if no value is specified. */ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, struct touchscreen_properties *prop) @@ -203,4 +204,4 @@ void touchscreen_report_pos(struct input_dev *input, EXPORT_SYMBOL(touchscreen_report_pos); MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("Device-tree helpers functions for touchscreen devices"); +MODULE_DESCRIPTION("Helper functions for touchscreens and other devices"); diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 529614d364fe..ad454cd2855a 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -12,10 +12,6 @@ menuconfig INPUT_TOUCHSCREEN if INPUT_TOUCHSCREEN -config TOUCHSCREEN_PROPERTIES - def_tristate INPUT - depends on INPUT - config TOUCHSCREEN_88PM860X tristate "Marvell 88PM860x touchscreen" depends on MFD_88PM860X @@ -415,6 +411,17 @@ config TOUCHSCREEN_HIDEEP To compile this driver as a module, choose M here : the module will be called hideep_ts. +config TOUCHSCREEN_HYCON_HY46XX + tristate "Hycon hy46xx touchscreen support" + depends on I2C + help + Say Y here if you have a touchscreen using Hycon hy46xx + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called hycon-hy46xx. + config TOUCHSCREEN_ILI210X tristate "Ilitek ILI210X based touchscreen" depends on I2C @@ -430,6 +437,18 @@ config TOUCHSCREEN_ILI210X To compile this driver as a module, choose M here: the module will be called ili210x. +config TOUCHSCREEN_ILITEK + tristate "Ilitek I2C 213X/23XX/25XX/Lego Series Touch ICs" + depends on I2C + help + Say Y here if you have touchscreen with ILITEK touch IC, + it supports 213X/23XX/25XX and other Lego series. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called ilitek_ts_i2c. + config TOUCHSCREEN_IPROC tristate "IPROC touch panel driver support" depends on ARCH_BCM_IPROC || COMPILE_TEST @@ -594,6 +613,18 @@ config TOUCHSCREEN_MELFAS_MIP4 To compile this driver as a module, choose M here: the module will be called melfas_mip4. +config TOUCHSCREEN_MSG2638 + tristate "MStar msg2638 touchscreen support" + depends on I2C + depends on GPIOLIB || COMPILE_TEST + help + Say Y here if you have an I2C touchscreen using MStar msg2638. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called msg2638. + config TOUCHSCREEN_MTOUCH tristate "MicroTouch serial touchscreens" select SERIO diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 6233541e9173..7d34100f7f22 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -7,7 +7,6 @@ wm97xx-ts-y := wm97xx-core.o -obj-$(CONFIG_TOUCHSCREEN_PROPERTIES) += of_touchscreen.o obj-$(CONFIG_TOUCHSCREEN_88PM860X) += 88pm860x-ts.o obj-$(CONFIG_TOUCHSCREEN_AD7877) += ad7877.o obj-$(CONFIG_TOUCHSCREEN_AD7879) += ad7879.o @@ -35,6 +34,7 @@ obj-$(CONFIG_TOUCHSCREEN_DA9052) += da9052_tsi.o obj-$(CONFIG_TOUCHSCREEN_DYNAPRO) += dynapro.o obj-$(CONFIG_TOUCHSCREEN_EDT_FT5X06) += edt-ft5x06.o obj-$(CONFIG_TOUCHSCREEN_HAMPSHIRE) += hampshire.o +obj-$(CONFIG_TOUCHSCREEN_HYCON_HY46XX) += hycon-hy46xx.o obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o obj-$(CONFIG_TOUCHSCREEN_EETI) += eeti_ts.o obj-$(CONFIG_TOUCHSCREEN_EKTF2127) += ektf2127.o @@ -47,6 +47,7 @@ obj-$(CONFIG_TOUCHSCREEN_FUJITSU) += fujitsu_ts.o obj-$(CONFIG_TOUCHSCREEN_GOODIX) += goodix.o obj-$(CONFIG_TOUCHSCREEN_HIDEEP) += hideep.o obj-$(CONFIG_TOUCHSCREEN_ILI210X) += ili210x.o +obj-$(CONFIG_TOUCHSCREEN_ILITEK) += ilitek_ts_i2c.o obj-$(CONFIG_TOUCHSCREEN_IMX6UL_TSC) += imx6ul_tsc.o obj-$(CONFIG_TOUCHSCREEN_INEXIO) += inexio.o obj-$(CONFIG_TOUCHSCREEN_IPROC) += bcm_iproc_tsc.o @@ -59,6 +60,7 @@ obj-$(CONFIG_TOUCHSCREEN_MCS5000) += mcs5000_ts.o obj-$(CONFIG_TOUCHSCREEN_MELFAS_MIP4) += melfas_mip4.o obj-$(CONFIG_TOUCHSCREEN_MIGOR) += migor_ts.o obj-$(CONFIG_TOUCHSCREEN_MMS114) += mms114.o +obj-$(CONFIG_TOUCHSCREEN_MSG2638) += msg2638.o obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtouch.o obj-$(CONFIG_TOUCHSCREEN_MK712) += mk712.o obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c index c0d5c2413356..dc6a85362a40 100644 --- a/drivers/input/touchscreen/ar1021_i2c.c +++ b/drivers/input/touchscreen/ar1021_i2c.c @@ -125,7 +125,7 @@ static int ar1021_i2c_probe(struct i2c_client *client, error = devm_request_threaded_irq(&client->dev, client->irq, NULL, ar1021_i2c_irq, - IRQF_ONESHOT, + IRQF_ONESHOT | IRQF_NO_AUTOEN, "ar1021_i2c", ar1021); if (error) { dev_err(&client->dev, @@ -133,9 +133,6 @@ static int ar1021_i2c_probe(struct i2c_client *client, return error; } - /* Disable the IRQ, we'll enable it in ar1021_i2c_open() */ - disable_irq(client->irq); - error = input_register_device(ar1021->input); if (error) { dev_err(&client->dev, diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 383a848eb601..05de92c0293b 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -31,6 +31,7 @@ #include <media/v4l2-ioctl.h> #include <media/videobuf2-v4l2.h> #include <media/videobuf2-vmalloc.h> +#include <dt-bindings/input/atmel-maxtouch.h> /* Firmware files */ #define MXT_FW_NAME "maxtouch.fw" @@ -199,6 +200,7 @@ enum t100_type { #define MXT_CRC_TIMEOUT 1000 /* msec */ #define MXT_FW_RESET_TIME 3000 /* msec */ #define MXT_FW_CHG_TIMEOUT 300 /* msec */ +#define MXT_WAKEUP_TIME 25 /* msec */ /* Command to unlock bootloader */ #define MXT_UNLOCK_CMD_MSB 0xaa @@ -312,6 +314,7 @@ struct mxt_data { struct mxt_dbg dbg; struct regulator_bulk_data regulators[2]; struct gpio_desc *reset_gpio; + struct gpio_desc *wake_gpio; bool use_retrigen_workaround; /* Cached parameters from object table */ @@ -342,6 +345,8 @@ struct mxt_data { unsigned int t19_num_keys; enum mxt_suspend_mode suspend_mode; + + u32 wakeup_method; }; struct mxt_vb2_buffer { @@ -621,10 +626,42 @@ static int mxt_send_bootloader_cmd(struct mxt_data *data, bool unlock) return mxt_bootloader_write(data, buf, sizeof(buf)); } +static bool mxt_wakeup_toggle(struct i2c_client *client, + bool wake_up, bool in_i2c) +{ + struct mxt_data *data = i2c_get_clientdata(client); + + switch (data->wakeup_method) { + case ATMEL_MXT_WAKEUP_I2C_SCL: + if (!in_i2c) + return false; + break; + + case ATMEL_MXT_WAKEUP_GPIO: + if (in_i2c) + return false; + + gpiod_set_value(data->wake_gpio, wake_up); + break; + + default: + return false; + } + + if (wake_up) { + dev_dbg(&client->dev, "waking up controller\n"); + + msleep(MXT_WAKEUP_TIME); + } + + return true; +} + static int __mxt_read_reg(struct i2c_client *client, u16 reg, u16 len, void *val) { struct i2c_msg xfer[2]; + bool retried = false; u8 buf[2]; int ret; @@ -643,9 +680,13 @@ static int __mxt_read_reg(struct i2c_client *client, xfer[1].len = len; xfer[1].buf = val; +retry: ret = i2c_transfer(client->adapter, xfer, 2); if (ret == 2) { ret = 0; + } else if (!retried && mxt_wakeup_toggle(client, true, true)) { + retried = true; + goto retry; } else { if (ret >= 0) ret = -EIO; @@ -659,6 +700,7 @@ static int __mxt_read_reg(struct i2c_client *client, static int __mxt_write_reg(struct i2c_client *client, u16 reg, u16 len, const void *val) { + bool retried = false; u8 *buf; size_t count; int ret; @@ -672,9 +714,13 @@ static int __mxt_write_reg(struct i2c_client *client, u16 reg, u16 len, buf[1] = (reg >> 8) & 0xff; memcpy(&buf[2], val, len); +retry: ret = i2c_master_send(client, buf, count); if (ret == count) { ret = 0; + } else if (!retried && mxt_wakeup_toggle(client, true, true)) { + retried = true; + goto retry; } else { if (ret >= 0) ret = -EIO; @@ -2975,6 +3021,8 @@ static const struct attribute_group mxt_attr_group = { static void mxt_start(struct mxt_data *data) { + mxt_wakeup_toggle(data->client, true, false); + switch (data->suspend_mode) { case MXT_SUSPEND_T9_CTRL: mxt_soft_reset(data); @@ -3009,6 +3057,8 @@ static void mxt_stop(struct mxt_data *data) mxt_set_t7_power_cfg(data, MXT_POWER_CFG_DEEPSLEEP); break; } + + mxt_wakeup_toggle(data->client, false, false); } static int mxt_input_open(struct input_dev *dev) @@ -3155,16 +3205,24 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) return error; } + /* Request the WAKE line as asserted so we go out of sleep */ + data->wake_gpio = devm_gpiod_get_optional(&client->dev, + "wake", GPIOD_OUT_HIGH); + if (IS_ERR(data->wake_gpio)) { + error = PTR_ERR(data->wake_gpio); + dev_err(&client->dev, "Failed to get wake gpio: %d\n", error); + return error; + } + error = devm_request_threaded_irq(&client->dev, client->irq, - NULL, mxt_interrupt, IRQF_ONESHOT, + NULL, mxt_interrupt, + IRQF_ONESHOT | IRQF_NO_AUTOEN, client->name, data); if (error) { dev_err(&client->dev, "Failed to register interrupt\n"); return error; } - disable_irq(client->irq); - error = regulator_bulk_enable(ARRAY_SIZE(data->regulators), data->regulators); if (error) { @@ -3185,6 +3243,25 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) msleep(MXT_RESET_INVALID_CHG); } + /* + * Controllers like mXT1386 have a dedicated WAKE line that could be + * connected to a GPIO or to I2C SCL pin, or permanently asserted low. + * + * This WAKE line is used for waking controller from a deep-sleep and + * it needs to be asserted low for 25 milliseconds before I2C transfers + * could be accepted by controller if it was in a deep-sleep mode. + * Controller will go into sleep automatically after 2 seconds of + * inactivity if WAKE line is deasserted and deep sleep is activated. + * + * If WAKE line is connected to I2C SCL pin, then the first I2C transfer + * will get an instant NAK and transfer needs to be retried after 25ms. + * + * If WAKE line is connected to a GPIO line, the line must be asserted + * 25ms before the host attempts to communicate with the controller. + */ + device_property_read_u32(&client->dev, "atmel,wakeup-method", + &data->wakeup_method); + error = mxt_initialize(data); if (error) goto err_disable_regulators; diff --git a/drivers/input/touchscreen/bu21029_ts.c b/drivers/input/touchscreen/bu21029_ts.c index 341925edb8e6..392950aa7856 100644 --- a/drivers/input/touchscreen/bu21029_ts.c +++ b/drivers/input/touchscreen/bu21029_ts.c @@ -401,10 +401,10 @@ static int bu21029_probe(struct i2c_client *client, input_set_drvdata(in_dev, bu21029); - irq_set_status_flags(client->irq, IRQ_NOAUTOEN); error = devm_request_threaded_irq(&client->dev, client->irq, NULL, bu21029_touch_soft_irq, - IRQF_ONESHOT, DRIVER_NAME, bu21029); + IRQF_ONESHOT | IRQF_NO_AUTOEN, + DRIVER_NAME, bu21029); if (error) { dev_err(&client->dev, "unable to request touch irq: %d\n", error); diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c index 73c854f35f33..106dd4962785 100644 --- a/drivers/input/touchscreen/cyttsp_core.c +++ b/drivers/input/touchscreen/cyttsp_core.c @@ -229,16 +229,21 @@ static int cyttsp_set_sysinfo_regs(struct cyttsp *ts) static void cyttsp_hard_reset(struct cyttsp *ts) { if (ts->reset_gpio) { + /* + * According to the CY8CTMA340 datasheet page 21, the external + * reset pulse width should be >= 1 ms. The datasheet does not + * specify how long we have to wait after reset but a vendor + * tree specifies 5 ms here. + */ gpiod_set_value_cansleep(ts->reset_gpio, 1); - msleep(CY_DELAY_DFLT); + usleep_range(1000, 2000); gpiod_set_value_cansleep(ts->reset_gpio, 0); - msleep(CY_DELAY_DFLT); + usleep_range(5000, 6000); } } static int cyttsp_soft_reset(struct cyttsp *ts) { - unsigned long timeout; int retval; /* wait for interrupt to set ready completion */ @@ -248,12 +253,16 @@ static int cyttsp_soft_reset(struct cyttsp *ts) enable_irq(ts->irq); retval = ttsp_send_command(ts, CY_SOFT_RESET_MODE); - if (retval) + if (retval) { + dev_err(ts->dev, "failed to send soft reset\n"); goto out; + } - timeout = wait_for_completion_timeout(&ts->bl_ready, - msecs_to_jiffies(CY_DELAY_DFLT * CY_DELAY_MAX)); - retval = timeout ? 0 : -EIO; + if (!wait_for_completion_timeout(&ts->bl_ready, + msecs_to_jiffies(CY_DELAY_DFLT * CY_DELAY_MAX))) { + dev_err(ts->dev, "timeout waiting for soft reset\n"); + retval = -EIO; + } out: ts->state = CY_IDLE_STATE; @@ -405,8 +414,10 @@ static int cyttsp_power_on(struct cyttsp *ts) if (GET_BOOTLOADERMODE(ts->bl_data.bl_status) && IS_VALID_APP(ts->bl_data.bl_status)) { error = cyttsp_exit_bl_mode(ts); - if (error) + if (error) { + dev_err(ts->dev, "failed to exit bootloader mode\n"); return error; + } } if (GET_HSTMODE(ts->bl_data.bl_file) != CY_OPERATE_MODE || @@ -629,10 +640,8 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, return ERR_PTR(error); init_completion(&ts->bl_ready); - snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(dev)); input_dev->name = "Cypress TTSP TouchScreen"; - input_dev->phys = ts->phys; input_dev->id.bustype = bus_ops->bustype; input_dev->dev.parent = ts->dev; @@ -643,16 +652,20 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_X); input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_Y); + /* One byte for width 0..255 so this is the limit */ + input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); + touchscreen_parse_properties(input_dev, true, NULL); - error = input_mt_init_slots(input_dev, CY_MAX_ID, 0); + error = input_mt_init_slots(input_dev, CY_MAX_ID, INPUT_MT_DIRECT); if (error) { dev_err(dev, "Unable to init MT slots.\n"); return ERR_PTR(error); } error = devm_request_threaded_irq(dev, ts->irq, NULL, cyttsp_irq, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT | + IRQF_NO_AUTOEN, "cyttsp", ts); if (error) { dev_err(ts->dev, "failed to request IRQ %d, err: %d\n", @@ -660,8 +673,6 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, return ERR_PTR(error); } - disable_irq(ts->irq); - cyttsp_hard_reset(ts); error = cyttsp_power_on(ts); diff --git a/drivers/input/touchscreen/cyttsp_core.h b/drivers/input/touchscreen/cyttsp_core.h index 8c651336ac12..9bc4fe7e6ac5 100644 --- a/drivers/input/touchscreen/cyttsp_core.h +++ b/drivers/input/touchscreen/cyttsp_core.h @@ -114,7 +114,6 @@ struct cyttsp { struct device *dev; int irq; struct input_dev *input; - char phys[32]; const struct cyttsp_bus_ops *bus_ops; struct cyttsp_bootloader_data bl_data; struct cyttsp_sysinfo_data sysinfo_data; diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index 5f7706febcb0..17540bdb1eaf 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -38,6 +38,7 @@ #include <linux/of.h> #include <linux/gpio/consumer.h> #include <linux/regulator/consumer.h> +#include <linux/uuid.h> #include <asm/unaligned.h> /* Device, Driver information */ @@ -1334,6 +1335,40 @@ static void elants_i2c_power_off(void *_data) } } +#ifdef CONFIG_ACPI +static const struct acpi_device_id i2c_hid_ids[] = { + {"ACPI0C50", 0 }, + {"PNP0C50", 0 }, + { }, +}; + +static const guid_t i2c_hid_guid = + GUID_INIT(0x3CDFF6F7, 0x4267, 0x4555, + 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE); + +static bool elants_acpi_is_hid_device(struct device *dev) +{ + acpi_handle handle = ACPI_HANDLE(dev); + union acpi_object *obj; + + if (acpi_match_device_ids(ACPI_COMPANION(dev), i2c_hid_ids)) + return false; + + obj = acpi_evaluate_dsm_typed(handle, &i2c_hid_guid, 1, 1, NULL, ACPI_TYPE_INTEGER); + if (obj) { + ACPI_FREE(obj); + return true; + } + + return false; +} +#else +static bool elants_acpi_is_hid_device(struct device *dev) +{ + return false; +} +#endif + static int elants_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -1342,9 +1377,14 @@ static int elants_i2c_probe(struct i2c_client *client, unsigned long irqflags; int error; + /* Don't bind to i2c-hid compatible devices, these are handled by the i2c-hid drv. */ + if (elants_acpi_is_hid_device(&client->dev)) { + dev_warn(&client->dev, "This device appears to be an I2C-HID device, not binding\n"); + return -ENODEV; + } + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - dev_err(&client->dev, - "%s: i2c check functionality error\n", DEVICE_NAME); + dev_err(&client->dev, "I2C check functionality error\n"); return -ENXIO; } diff --git a/drivers/input/touchscreen/exc3000.c b/drivers/input/touchscreen/exc3000.c index a6597f026980..cbe0dd412912 100644 --- a/drivers/input/touchscreen/exc3000.c +++ b/drivers/input/touchscreen/exc3000.c @@ -25,11 +25,13 @@ #define EXC3000_NUM_SLOTS 10 #define EXC3000_SLOTS_PER_FRAME 5 #define EXC3000_LEN_FRAME 66 +#define EXC3000_LEN_VENDOR_REQUEST 68 #define EXC3000_LEN_POINT 10 #define EXC3000_LEN_MODEL_NAME 16 #define EXC3000_LEN_FW_VERSION 16 +#define EXC3000_VENDOR_EVENT 0x03 #define EXC3000_MT1_EVENT 0x06 #define EXC3000_MT2_EVENT 0x18 @@ -76,9 +78,6 @@ struct exc3000_data { u8 buf[2 * EXC3000_LEN_FRAME]; struct completion wait_event; struct mutex query_lock; - int query_result; - char model[EXC3000_LEN_MODEL_NAME]; - char fw_version[EXC3000_LEN_FW_VERSION]; }; static void exc3000_report_slots(struct input_dev *input, @@ -105,15 +104,16 @@ static void exc3000_timer(struct timer_list *t) input_sync(data->input); } +static inline void exc3000_schedule_timer(struct exc3000_data *data) +{ + mod_timer(&data->timer, jiffies + msecs_to_jiffies(EXC3000_TIMEOUT_MS)); +} + static int exc3000_read_frame(struct exc3000_data *data, u8 *buf) { struct i2c_client *client = data->client; - u8 expected_event = EXC3000_MT1_EVENT; int ret; - if (data->info->max_xy == SZ_16K - 1) - expected_event = EXC3000_MT2_EVENT; - ret = i2c_master_send(client, "'", 2); if (ret < 0) return ret; @@ -131,175 +131,196 @@ static int exc3000_read_frame(struct exc3000_data *data, u8 *buf) if (get_unaligned_le16(buf) != EXC3000_LEN_FRAME) return -EINVAL; - if (buf[2] != expected_event) - return -EINVAL; - return 0; } -static int exc3000_read_data(struct exc3000_data *data, - u8 *buf, int *n_slots) +static int exc3000_handle_mt_event(struct exc3000_data *data) { - int error; - - error = exc3000_read_frame(data, buf); - if (error) - return error; + struct input_dev *input = data->input; + int ret, total_slots; + u8 *buf = data->buf; - *n_slots = buf[3]; - if (!*n_slots || *n_slots > EXC3000_NUM_SLOTS) - return -EINVAL; + total_slots = buf[3]; + if (!total_slots || total_slots > EXC3000_NUM_SLOTS) { + ret = -EINVAL; + goto out_fail; + } - if (*n_slots > EXC3000_SLOTS_PER_FRAME) { + if (total_slots > EXC3000_SLOTS_PER_FRAME) { /* Read 2nd frame to get the rest of the contacts. */ - error = exc3000_read_frame(data, buf + EXC3000_LEN_FRAME); - if (error) - return error; + ret = exc3000_read_frame(data, buf + EXC3000_LEN_FRAME); + if (ret) + goto out_fail; /* 2nd chunk must have number of contacts set to 0. */ - if (buf[EXC3000_LEN_FRAME + 3] != 0) - return -EINVAL; + if (buf[EXC3000_LEN_FRAME + 3] != 0) { + ret = -EINVAL; + goto out_fail; + } } - return 0; -} - -static int exc3000_query_interrupt(struct exc3000_data *data) -{ - u8 *buf = data->buf; - int error; + /* + * We read full state successfully, no contacts will be "stuck". + */ + del_timer_sync(&data->timer); - error = i2c_master_recv(data->client, buf, EXC3000_LEN_FRAME); - if (error < 0) - return error; + while (total_slots > 0) { + int slots = min(total_slots, EXC3000_SLOTS_PER_FRAME); - if (buf[0] != 'B') - return -EPROTO; + exc3000_report_slots(input, &data->prop, buf + 4, slots); + total_slots -= slots; + buf += EXC3000_LEN_FRAME; + } - if (buf[4] == 'E') - strlcpy(data->model, buf + 5, sizeof(data->model)); - else if (buf[4] == 'D') - strlcpy(data->fw_version, buf + 5, sizeof(data->fw_version)); - else - return -EPROTO; + input_mt_sync_frame(input); + input_sync(input); return 0; + +out_fail: + /* Schedule a timer to release "stuck" contacts */ + exc3000_schedule_timer(data); + + return ret; } static irqreturn_t exc3000_interrupt(int irq, void *dev_id) { struct exc3000_data *data = dev_id; - struct input_dev *input = data->input; u8 *buf = data->buf; - int slots, total_slots; - int error; - - if (mutex_is_locked(&data->query_lock)) { - data->query_result = exc3000_query_interrupt(data); - complete(&data->wait_event); - goto out; - } + int ret; - error = exc3000_read_data(data, buf, &total_slots); - if (error) { + ret = exc3000_read_frame(data, buf); + if (ret) { /* Schedule a timer to release "stuck" contacts */ - mod_timer(&data->timer, - jiffies + msecs_to_jiffies(EXC3000_TIMEOUT_MS)); + exc3000_schedule_timer(data); goto out; } - /* - * We read full state successfully, no contacts will be "stuck". - */ - del_timer_sync(&data->timer); + switch (buf[2]) { + case EXC3000_VENDOR_EVENT: + complete(&data->wait_event); + break; - while (total_slots > 0) { - slots = min(total_slots, EXC3000_SLOTS_PER_FRAME); - exc3000_report_slots(input, &data->prop, buf + 4, slots); - total_slots -= slots; - buf += EXC3000_LEN_FRAME; - } + case EXC3000_MT1_EVENT: + case EXC3000_MT2_EVENT: + exc3000_handle_mt_event(data); + break; - input_mt_sync_frame(input); - input_sync(input); + default: + break; + } out: return IRQ_HANDLED; } -static ssize_t fw_version_show(struct device *dev, - struct device_attribute *attr, char *buf) +static int exc3000_vendor_data_request(struct exc3000_data *data, u8 *request, + u8 request_len, u8 *response, int timeout) { - struct i2c_client *client = to_i2c_client(dev); - struct exc3000_data *data = i2c_get_clientdata(client); - static const u8 request[68] = { - 0x67, 0x00, 0x42, 0x00, 0x03, 0x01, 'D', 0x00 - }; - int error; + u8 buf[EXC3000_LEN_VENDOR_REQUEST] = { 0x67, 0x00, 0x42, 0x00, 0x03 }; + int ret; mutex_lock(&data->query_lock); - data->query_result = -ETIMEDOUT; reinit_completion(&data->wait_event); - error = i2c_master_send(client, request, sizeof(request)); - if (error < 0) { - mutex_unlock(&data->query_lock); - return error; + buf[5] = request_len; + memcpy(&buf[6], request, request_len); + + ret = i2c_master_send(data->client, buf, EXC3000_LEN_VENDOR_REQUEST); + if (ret < 0) + goto out_unlock; + + if (response) { + ret = wait_for_completion_timeout(&data->wait_event, + timeout * HZ); + if (ret <= 0) { + ret = -ETIMEDOUT; + goto out_unlock; + } + + if (data->buf[3] >= EXC3000_LEN_FRAME) { + ret = -ENOSPC; + goto out_unlock; + } + + memcpy(response, &data->buf[4], data->buf[3]); + ret = data->buf[3]; } - wait_for_completion_interruptible_timeout(&data->wait_event, 1 * HZ); +out_unlock: mutex_unlock(&data->query_lock); - if (data->query_result < 0) - return data->query_result; - - return sprintf(buf, "%s\n", data->fw_version); + return ret; } -static DEVICE_ATTR_RO(fw_version); -static ssize_t exc3000_get_model(struct exc3000_data *data) +static ssize_t fw_version_show(struct device *dev, + struct device_attribute *attr, char *buf) { - static const u8 request[68] = { - 0x67, 0x00, 0x42, 0x00, 0x03, 0x01, 'E', 0x00 - }; - struct i2c_client *client = data->client; - int error; + struct i2c_client *client = to_i2c_client(dev); + struct exc3000_data *data = i2c_get_clientdata(client); + u8 response[EXC3000_LEN_FRAME]; + int ret; - mutex_lock(&data->query_lock); - data->query_result = -ETIMEDOUT; - reinit_completion(&data->wait_event); + /* query bootloader info */ + ret = exc3000_vendor_data_request(data, + (u8[]){0x39, 0x02}, 2, response, 1); + if (ret < 0) + return ret; - error = i2c_master_send(client, request, sizeof(request)); - if (error < 0) { - mutex_unlock(&data->query_lock); - return error; - } + /* + * If the bootloader version is non-zero then the device is in + * bootloader mode and won't answer a query for the application FW + * version, so we just use the bootloader version info. + */ + if (response[2] || response[3]) + return sprintf(buf, "%d.%d\n", response[2], response[3]); - wait_for_completion_interruptible_timeout(&data->wait_event, 1 * HZ); - mutex_unlock(&data->query_lock); + ret = exc3000_vendor_data_request(data, (u8[]){'D'}, 1, response, 1); + if (ret < 0) + return ret; - return data->query_result; + return sprintf(buf, "%s\n", &response[1]); } +static DEVICE_ATTR_RO(fw_version); static ssize_t model_show(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); struct exc3000_data *data = i2c_get_clientdata(client); - int error; + u8 response[EXC3000_LEN_FRAME]; + int ret; - error = exc3000_get_model(data); - if (error < 0) - return error; + ret = exc3000_vendor_data_request(data, (u8[]){'E'}, 1, response, 1); + if (ret < 0) + return ret; - return sprintf(buf, "%s\n", data->model); + return sprintf(buf, "%s\n", &response[1]); } static DEVICE_ATTR_RO(model); +static ssize_t type_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct exc3000_data *data = i2c_get_clientdata(client); + u8 response[EXC3000_LEN_FRAME]; + int ret; + + ret = exc3000_vendor_data_request(data, (u8[]){'F'}, 1, response, 1); + if (ret < 0) + return ret; + + return sprintf(buf, "%s\n", &response[1]); +} +static DEVICE_ATTR_RO(type); + static struct attribute *sysfs_attrs[] = { &dev_attr_fw_version.attr, &dev_attr_model.attr, + &dev_attr_type.attr, NULL }; @@ -379,9 +400,15 @@ static int exc3000_probe(struct i2c_client *client) * or two touch events anyways). */ for (retry = 0; retry < 3; retry++) { - error = exc3000_get_model(data); - if (!error) + u8 response[EXC3000_LEN_FRAME]; + + error = exc3000_vendor_data_request(data, (u8[]){'E'}, 1, + response, 1); + if (error > 0) { + dev_dbg(&client->dev, "TS Model: %s", &response[1]); + error = 0; break; + } dev_warn(&client->dev, "Retry %d get EETI EXC3000 model: %d\n", retry + 1, error); } @@ -389,8 +416,6 @@ static int exc3000_probe(struct i2c_client *client) if (error) return error; - dev_dbg(&client->dev, "TS Model: %s", data->model); - i2c_set_clientdata(client, data); error = devm_device_add_group(&client->dev, &exc3000_attribute_group); diff --git a/drivers/input/touchscreen/hycon-hy46xx.c b/drivers/input/touchscreen/hycon-hy46xx.c new file mode 100644 index 000000000000..891d0430083e --- /dev/null +++ b/drivers/input/touchscreen/hycon-hy46xx.c @@ -0,0 +1,591 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 + * Author(s): Giulio Benetti <[email protected]> + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/input/touchscreen.h> +#include <linux/irq.h> +#include <linux/regulator/consumer.h> +#include <linux/regmap.h> + +#include <asm/unaligned.h> + +#define HY46XX_CHKSUM_CODE 0x1 +#define HY46XX_FINGER_NUM 0x2 +#define HY46XX_CHKSUM_LEN 0x7 +#define HY46XX_THRESHOLD 0x80 +#define HY46XX_GLOVE_EN 0x84 +#define HY46XX_REPORT_SPEED 0x88 +#define HY46XX_PWR_NOISE_EN 0x89 +#define HY46XX_FILTER_DATA 0x8A +#define HY46XX_GAIN 0x92 +#define HY46XX_EDGE_OFFSET 0x93 +#define HY46XX_RX_NR_USED 0x94 +#define HY46XX_TX_NR_USED 0x95 +#define HY46XX_PWR_MODE 0xA5 +#define HY46XX_FW_VERSION 0xA6 +#define HY46XX_LIB_VERSION 0xA7 +#define HY46XX_TP_INFO 0xA8 +#define HY46XX_TP_CHIP_ID 0xA9 +#define HY46XX_BOOT_VER 0xB0 + +#define HY46XX_TPLEN 0x6 +#define HY46XX_REPORT_PKT_LEN 0x44 + +#define HY46XX_MAX_SUPPORTED_POINTS 11 + +#define TOUCH_EVENT_DOWN 0x00 +#define TOUCH_EVENT_UP 0x01 +#define TOUCH_EVENT_CONTACT 0x02 +#define TOUCH_EVENT_RESERVED 0x03 + +struct hycon_hy46xx_data { + struct i2c_client *client; + struct input_dev *input; + struct touchscreen_properties prop; + struct regulator *vcc; + + struct gpio_desc *reset_gpio; + + struct mutex mutex; + struct regmap *regmap; + + int threshold; + bool glove_enable; + int report_speed; + bool noise_filter_enable; + int filter_data; + int gain; + int edge_offset; + int rx_number_used; + int tx_number_used; + int power_mode; + int fw_version; + int lib_version; + int tp_information; + int tp_chip_id; + int bootloader_version; +}; + +static const struct regmap_config hycon_hy46xx_i2c_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static bool hycon_hy46xx_check_checksum(struct hycon_hy46xx_data *tsdata, u8 *buf) +{ + u8 chksum = 0; + int i; + + for (i = 2; i < buf[HY46XX_CHKSUM_LEN]; i++) + chksum += buf[i]; + + if (chksum == buf[HY46XX_CHKSUM_CODE]) + return true; + + dev_err_ratelimited(&tsdata->client->dev, + "checksum error: 0x%02x expected, got 0x%02x\n", + chksum, buf[HY46XX_CHKSUM_CODE]); + + return false; +} + +static irqreturn_t hycon_hy46xx_isr(int irq, void *dev_id) +{ + struct hycon_hy46xx_data *tsdata = dev_id; + struct device *dev = &tsdata->client->dev; + u8 rdbuf[HY46XX_REPORT_PKT_LEN]; + int i, x, y, id; + int error; + + memset(rdbuf, 0, sizeof(rdbuf)); + + error = regmap_bulk_read(tsdata->regmap, 0, rdbuf, sizeof(rdbuf)); + if (error) { + dev_err_ratelimited(dev, "Unable to fetch data, error: %d\n", + error); + goto out; + } + + if (!hycon_hy46xx_check_checksum(tsdata, rdbuf)) + goto out; + + for (i = 0; i < HY46XX_MAX_SUPPORTED_POINTS; i++) { + u8 *buf = &rdbuf[3 + (HY46XX_TPLEN * i)]; + int type = buf[0] >> 6; + + if (type == TOUCH_EVENT_RESERVED) + continue; + + x = get_unaligned_be16(buf) & 0x0fff; + y = get_unaligned_be16(buf + 2) & 0x0fff; + + id = buf[2] >> 4; + + input_mt_slot(tsdata->input, id); + if (input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER, + type != TOUCH_EVENT_UP)) + touchscreen_report_pos(tsdata->input, &tsdata->prop, + x, y, true); + } + + input_mt_report_pointer_emulation(tsdata->input, false); + input_sync(tsdata->input); + +out: + return IRQ_HANDLED; +} + +struct hycon_hy46xx_attribute { + struct device_attribute dattr; + size_t field_offset; + u8 address; + u8 limit_low; + u8 limit_high; +}; + +#define HYCON_ATTR_U8(_field, _mode, _address, _limit_low, _limit_high) \ + struct hycon_hy46xx_attribute hycon_hy46xx_attr_##_field = { \ + .dattr = __ATTR(_field, _mode, \ + hycon_hy46xx_setting_show, \ + hycon_hy46xx_setting_store), \ + .field_offset = offsetof(struct hycon_hy46xx_data, _field), \ + .address = _address, \ + .limit_low = _limit_low, \ + .limit_high = _limit_high, \ + } + +#define HYCON_ATTR_BOOL(_field, _mode, _address) \ + struct hycon_hy46xx_attribute hycon_hy46xx_attr_##_field = { \ + .dattr = __ATTR(_field, _mode, \ + hycon_hy46xx_setting_show, \ + hycon_hy46xx_setting_store), \ + .field_offset = offsetof(struct hycon_hy46xx_data, _field), \ + .address = _address, \ + .limit_low = false, \ + .limit_high = true, \ + } + +static ssize_t hycon_hy46xx_setting_show(struct device *dev, + struct device_attribute *dattr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct hycon_hy46xx_data *tsdata = i2c_get_clientdata(client); + struct hycon_hy46xx_attribute *attr = + container_of(dattr, struct hycon_hy46xx_attribute, dattr); + u8 *field = (u8 *)tsdata + attr->field_offset; + size_t count = 0; + int error = 0; + int val; + + mutex_lock(&tsdata->mutex); + + error = regmap_read(tsdata->regmap, attr->address, &val); + if (error < 0) { + dev_err(&tsdata->client->dev, + "Failed to fetch attribute %s, error %d\n", + dattr->attr.name, error); + goto out; + } + + if (val != *field) { + dev_warn(&tsdata->client->dev, + "%s: read (%d) and stored value (%d) differ\n", + dattr->attr.name, val, *field); + *field = val; + } + + count = scnprintf(buf, PAGE_SIZE, "%d\n", val); + +out: + mutex_unlock(&tsdata->mutex); + return error ?: count; +} + +static ssize_t hycon_hy46xx_setting_store(struct device *dev, + struct device_attribute *dattr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct hycon_hy46xx_data *tsdata = i2c_get_clientdata(client); + struct hycon_hy46xx_attribute *attr = + container_of(dattr, struct hycon_hy46xx_attribute, dattr); + u8 *field = (u8 *)tsdata + attr->field_offset; + unsigned int val; + int error; + + mutex_lock(&tsdata->mutex); + + error = kstrtouint(buf, 0, &val); + if (error) + goto out; + + if (val < attr->limit_low || val > attr->limit_high) { + error = -ERANGE; + goto out; + } + + error = regmap_write(tsdata->regmap, attr->address, val); + if (error < 0) { + dev_err(&tsdata->client->dev, + "Failed to update attribute %s, error: %d\n", + dattr->attr.name, error); + goto out; + } + *field = val; + +out: + mutex_unlock(&tsdata->mutex); + return error ?: count; +} + +static HYCON_ATTR_U8(threshold, 0644, HY46XX_THRESHOLD, 0, 255); +static HYCON_ATTR_BOOL(glove_enable, 0644, HY46XX_GLOVE_EN); +static HYCON_ATTR_U8(report_speed, 0644, HY46XX_REPORT_SPEED, 0, 255); +static HYCON_ATTR_BOOL(noise_filter_enable, 0644, HY46XX_PWR_NOISE_EN); +static HYCON_ATTR_U8(filter_data, 0644, HY46XX_FILTER_DATA, 0, 5); +static HYCON_ATTR_U8(gain, 0644, HY46XX_GAIN, 0, 5); +static HYCON_ATTR_U8(edge_offset, 0644, HY46XX_EDGE_OFFSET, 0, 5); +static HYCON_ATTR_U8(fw_version, 0444, HY46XX_FW_VERSION, 0, 255); +static HYCON_ATTR_U8(lib_version, 0444, HY46XX_LIB_VERSION, 0, 255); +static HYCON_ATTR_U8(tp_information, 0444, HY46XX_TP_INFO, 0, 255); +static HYCON_ATTR_U8(tp_chip_id, 0444, HY46XX_TP_CHIP_ID, 0, 255); +static HYCON_ATTR_U8(bootloader_version, 0444, HY46XX_BOOT_VER, 0, 255); + +static struct attribute *hycon_hy46xx_attrs[] = { + &hycon_hy46xx_attr_threshold.dattr.attr, + &hycon_hy46xx_attr_glove_enable.dattr.attr, + &hycon_hy46xx_attr_report_speed.dattr.attr, + &hycon_hy46xx_attr_noise_filter_enable.dattr.attr, + &hycon_hy46xx_attr_filter_data.dattr.attr, + &hycon_hy46xx_attr_gain.dattr.attr, + &hycon_hy46xx_attr_edge_offset.dattr.attr, + &hycon_hy46xx_attr_fw_version.dattr.attr, + &hycon_hy46xx_attr_lib_version.dattr.attr, + &hycon_hy46xx_attr_tp_information.dattr.attr, + &hycon_hy46xx_attr_tp_chip_id.dattr.attr, + &hycon_hy46xx_attr_bootloader_version.dattr.attr, + NULL +}; + +static const struct attribute_group hycon_hy46xx_attr_group = { + .attrs = hycon_hy46xx_attrs, +}; + +static void hycon_hy46xx_get_defaults(struct device *dev, struct hycon_hy46xx_data *tsdata) +{ + bool val_bool; + int error; + u32 val; + + error = device_property_read_u32(dev, "hycon,threshold", &val); + if (!error) { + error = regmap_write(tsdata->regmap, HY46XX_THRESHOLD, val); + if (error < 0) + goto out; + + tsdata->threshold = val; + } + + val_bool = device_property_read_bool(dev, "hycon,glove-enable"); + error = regmap_write(tsdata->regmap, HY46XX_GLOVE_EN, val_bool); + if (error < 0) + goto out; + tsdata->glove_enable = val_bool; + + error = device_property_read_u32(dev, "hycon,report-speed-hz", &val); + if (!error) { + error = regmap_write(tsdata->regmap, HY46XX_REPORT_SPEED, val); + if (error < 0) + goto out; + + tsdata->report_speed = val; + } + + val_bool = device_property_read_bool(dev, "hycon,noise-filter-enable"); + error = regmap_write(tsdata->regmap, HY46XX_PWR_NOISE_EN, val_bool); + if (error < 0) + goto out; + tsdata->noise_filter_enable = val_bool; + + error = device_property_read_u32(dev, "hycon,filter-data", &val); + if (!error) { + error = regmap_write(tsdata->regmap, HY46XX_FILTER_DATA, val); + if (error < 0) + goto out; + + tsdata->filter_data = val; + } + + error = device_property_read_u32(dev, "hycon,gain", &val); + if (!error) { + error = regmap_write(tsdata->regmap, HY46XX_GAIN, val); + if (error < 0) + goto out; + + tsdata->gain = val; + } + + error = device_property_read_u32(dev, "hycon,edge-offset", &val); + if (!error) { + error = regmap_write(tsdata->regmap, HY46XX_EDGE_OFFSET, val); + if (error < 0) + goto out; + + tsdata->edge_offset = val; + } + + return; +out: + dev_err(&tsdata->client->dev, "Failed to set default settings"); +} + +static void hycon_hy46xx_get_parameters(struct hycon_hy46xx_data *tsdata) +{ + int error; + u32 val; + + error = regmap_read(tsdata->regmap, HY46XX_THRESHOLD, &val); + if (error < 0) + goto out; + tsdata->threshold = val; + + error = regmap_read(tsdata->regmap, HY46XX_GLOVE_EN, &val); + if (error < 0) + goto out; + tsdata->glove_enable = val; + + error = regmap_read(tsdata->regmap, HY46XX_REPORT_SPEED, &val); + if (error < 0) + goto out; + tsdata->report_speed = val; + + error = regmap_read(tsdata->regmap, HY46XX_PWR_NOISE_EN, &val); + if (error < 0) + goto out; + tsdata->noise_filter_enable = val; + + error = regmap_read(tsdata->regmap, HY46XX_FILTER_DATA, &val); + if (error < 0) + goto out; + tsdata->filter_data = val; + + error = regmap_read(tsdata->regmap, HY46XX_GAIN, &val); + if (error < 0) + goto out; + tsdata->gain = val; + + error = regmap_read(tsdata->regmap, HY46XX_EDGE_OFFSET, &val); + if (error < 0) + goto out; + tsdata->edge_offset = val; + + error = regmap_read(tsdata->regmap, HY46XX_RX_NR_USED, &val); + if (error < 0) + goto out; + tsdata->rx_number_used = val; + + error = regmap_read(tsdata->regmap, HY46XX_TX_NR_USED, &val); + if (error < 0) + goto out; + tsdata->tx_number_used = val; + + error = regmap_read(tsdata->regmap, HY46XX_PWR_MODE, &val); + if (error < 0) + goto out; + tsdata->power_mode = val; + + error = regmap_read(tsdata->regmap, HY46XX_FW_VERSION, &val); + if (error < 0) + goto out; + tsdata->fw_version = val; + + error = regmap_read(tsdata->regmap, HY46XX_LIB_VERSION, &val); + if (error < 0) + goto out; + tsdata->lib_version = val; + + error = regmap_read(tsdata->regmap, HY46XX_TP_INFO, &val); + if (error < 0) + goto out; + tsdata->tp_information = val; + + error = regmap_read(tsdata->regmap, HY46XX_TP_CHIP_ID, &val); + if (error < 0) + goto out; + tsdata->tp_chip_id = val; + + error = regmap_read(tsdata->regmap, HY46XX_BOOT_VER, &val); + if (error < 0) + goto out; + tsdata->bootloader_version = val; + + return; +out: + dev_err(&tsdata->client->dev, "Failed to read default settings"); +} + +static void hycon_hy46xx_disable_regulator(void *arg) +{ + struct hycon_hy46xx_data *data = arg; + + regulator_disable(data->vcc); +} + +static int hycon_hy46xx_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct hycon_hy46xx_data *tsdata; + struct input_dev *input; + int error; + + dev_dbg(&client->dev, "probing for HYCON HY46XX I2C\n"); + + tsdata = devm_kzalloc(&client->dev, sizeof(*tsdata), GFP_KERNEL); + if (!tsdata) + return -ENOMEM; + + tsdata->vcc = devm_regulator_get(&client->dev, "vcc"); + if (IS_ERR(tsdata->vcc)) { + error = PTR_ERR(tsdata->vcc); + if (error != -EPROBE_DEFER) + dev_err(&client->dev, + "failed to request regulator: %d\n", error); + return error; + } + + error = regulator_enable(tsdata->vcc); + if (error < 0) { + dev_err(&client->dev, "failed to enable vcc: %d\n", error); + return error; + } + + error = devm_add_action_or_reset(&client->dev, + hycon_hy46xx_disable_regulator, + tsdata); + if (error) + return error; + + tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev, + "reset", GPIOD_OUT_LOW); + if (IS_ERR(tsdata->reset_gpio)) { + error = PTR_ERR(tsdata->reset_gpio); + dev_err(&client->dev, + "Failed to request GPIO reset pin, error %d\n", error); + return error; + } + + if (tsdata->reset_gpio) { + usleep_range(5000, 6000); + gpiod_set_value_cansleep(tsdata->reset_gpio, 1); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(tsdata->reset_gpio, 0); + msleep(1000); + } + + input = devm_input_allocate_device(&client->dev); + if (!input) { + dev_err(&client->dev, "failed to allocate input device.\n"); + return -ENOMEM; + } + + mutex_init(&tsdata->mutex); + tsdata->client = client; + tsdata->input = input; + + tsdata->regmap = devm_regmap_init_i2c(client, + &hycon_hy46xx_i2c_regmap_config); + if (IS_ERR(tsdata->regmap)) { + dev_err(&client->dev, "regmap allocation failed\n"); + return PTR_ERR(tsdata->regmap); + } + + hycon_hy46xx_get_defaults(&client->dev, tsdata); + hycon_hy46xx_get_parameters(tsdata); + + input->name = "Hycon Capacitive Touch"; + input->id.bustype = BUS_I2C; + input->dev.parent = &client->dev; + + input_set_abs_params(input, ABS_MT_POSITION_X, 0, -1, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 0, -1, 0, 0); + + touchscreen_parse_properties(input, true, &tsdata->prop); + + error = input_mt_init_slots(input, HY46XX_MAX_SUPPORTED_POINTS, + INPUT_MT_DIRECT); + if (error) { + dev_err(&client->dev, "Unable to init MT slots.\n"); + return error; + } + + i2c_set_clientdata(client, tsdata); + + error = devm_request_threaded_irq(&client->dev, client->irq, + NULL, hycon_hy46xx_isr, IRQF_ONESHOT, + client->name, tsdata); + if (error) { + dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); + return error; + } + + error = devm_device_add_group(&client->dev, &hycon_hy46xx_attr_group); + if (error) + return error; + + error = input_register_device(input); + if (error) + return error; + + dev_dbg(&client->dev, + "HYCON HY46XX initialized: IRQ %d, Reset pin %d.\n", + client->irq, + tsdata->reset_gpio ? desc_to_gpio(tsdata->reset_gpio) : -1); + + return 0; +} + +static const struct i2c_device_id hycon_hy46xx_id[] = { + { .name = "hy4613" }, + { .name = "hy4614" }, + { .name = "hy4621" }, + { .name = "hy4623" }, + { .name = "hy4633" }, + { .name = "hy4635" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(i2c, hycon_hy46xx_id); + +static const struct of_device_id hycon_hy46xx_of_match[] = { + { .compatible = "hycon,hy4613" }, + { .compatible = "hycon,hy4614" }, + { .compatible = "hycon,hy4621" }, + { .compatible = "hycon,hy4623" }, + { .compatible = "hycon,hy4633" }, + { .compatible = "hycon,hy4635" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, hycon_hy46xx_of_match); + +static struct i2c_driver hycon_hy46xx_driver = { + .driver = { + .name = "hycon_hy46xx", + .of_match_table = hycon_hy46xx_of_match, + .probe_type = PROBE_PREFER_ASYNCHRONOUS, + }, + .id_table = hycon_hy46xx_id, + .probe = hycon_hy46xx_probe, +}; + +module_i2c_driver(hycon_hy46xx_driver); + +MODULE_AUTHOR("Giulio Benetti <[email protected]>"); +MODULE_DESCRIPTION("HYCON HY46XX I2C Touchscreen Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index d8fccf048bf4..30576a5f2f04 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -87,7 +87,7 @@ static bool ili210x_touchdata_to_coords(const u8 *touchdata, unsigned int *x, unsigned int *y, unsigned int *z) { - if (touchdata[0] & BIT(finger)) + if (!(touchdata[0] & BIT(finger))) return false; *x = get_unaligned_be16(touchdata + 1 + (finger * 4) + 0); diff --git a/drivers/input/touchscreen/ilitek_ts_i2c.c b/drivers/input/touchscreen/ilitek_ts_i2c.c new file mode 100644 index 000000000000..c5d259c76adc --- /dev/null +++ b/drivers/input/touchscreen/ilitek_ts_i2c.c @@ -0,0 +1,690 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ILITEK Touch IC driver for 23XX, 25XX and Lego series + * + * Copyright (C) 2011 ILI Technology Corporation. + * Copyright (C) 2020 Luca Hsu <[email protected]> + * Copyright (C) 2021 Joe Hung <[email protected]> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/i2c.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/errno.h> +#include <linux/acpi.h> +#include <linux/input/touchscreen.h> +#include <asm/unaligned.h> + + +#define ILITEK_TS_NAME "ilitek_ts" +#define BL_V1_8 0x108 +#define BL_V1_7 0x107 +#define BL_V1_6 0x106 + +#define ILITEK_TP_CMD_GET_TP_RES 0x20 +#define ILITEK_TP_CMD_GET_SCRN_RES 0x21 +#define ILITEK_TP_CMD_SET_IC_SLEEP 0x30 +#define ILITEK_TP_CMD_SET_IC_WAKE 0x31 +#define ILITEK_TP_CMD_GET_FW_VER 0x40 +#define ILITEK_TP_CMD_GET_PRL_VER 0x42 +#define ILITEK_TP_CMD_GET_MCU_VER 0x61 +#define ILITEK_TP_CMD_GET_IC_MODE 0xC0 + +#define REPORT_COUNT_ADDRESS 61 +#define ILITEK_SUPPORT_MAX_POINT 40 + +struct ilitek_protocol_info { + u16 ver; + u8 ver_major; +}; + +struct ilitek_ts_data { + struct i2c_client *client; + struct gpio_desc *reset_gpio; + struct input_dev *input_dev; + struct touchscreen_properties prop; + + const struct ilitek_protocol_map *ptl_cb_func; + struct ilitek_protocol_info ptl; + + char product_id[30]; + u16 mcu_ver; + u8 ic_mode; + u8 firmware_ver[8]; + + s32 reset_time; + s32 screen_max_x; + s32 screen_max_y; + s32 screen_min_x; + s32 screen_min_y; + s32 max_tp; +}; + +struct ilitek_protocol_map { + u16 cmd; + const char *name; + int (*func)(struct ilitek_ts_data *ts, u16 cmd, u8 *inbuf, u8 *outbuf); +}; + +enum ilitek_cmds { + /* common cmds */ + GET_PTL_VER = 0, + GET_FW_VER, + GET_SCRN_RES, + GET_TP_RES, + GET_IC_MODE, + GET_MCU_VER, + SET_IC_SLEEP, + SET_IC_WAKE, + + /* ALWAYS keep at the end */ + MAX_CMD_CNT +}; + +/* ILITEK I2C R/W APIs */ +static int ilitek_i2c_write_and_read(struct ilitek_ts_data *ts, + u8 *cmd, int write_len, int delay, + u8 *data, int read_len) +{ + int error; + struct i2c_client *client = ts->client; + struct i2c_msg msgs[] = { + { + .addr = client->addr, + .flags = 0, + .len = write_len, + .buf = cmd, + }, + { + .addr = client->addr, + .flags = I2C_M_RD, + .len = read_len, + .buf = data, + }, + }; + + if (delay == 0 && write_len > 0 && read_len > 0) { + error = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (error < 0) + return error; + } else { + if (write_len > 0) { + error = i2c_transfer(client->adapter, msgs, 1); + if (error < 0) + return error; + } + if (delay > 0) + mdelay(delay); + + if (read_len > 0) { + error = i2c_transfer(client->adapter, msgs + 1, 1); + if (error < 0) + return error; + } + } + + return 0; +} + +/* ILITEK ISR APIs */ +static void ilitek_touch_down(struct ilitek_ts_data *ts, unsigned int id, + unsigned int x, unsigned int y) +{ + struct input_dev *input = ts->input_dev; + + input_mt_slot(input, id); + input_mt_report_slot_state(input, MT_TOOL_FINGER, true); + + touchscreen_report_pos(input, &ts->prop, x, y, true); +} + +static int ilitek_process_and_report_v6(struct ilitek_ts_data *ts) +{ + int error = 0; + u8 buf[512]; + int packet_len = 5; + int packet_max_point = 10; + int report_max_point; + int i, count; + struct input_dev *input = ts->input_dev; + struct device *dev = &ts->client->dev; + unsigned int x, y, status, id; + + error = ilitek_i2c_write_and_read(ts, NULL, 0, 0, buf, 64); + if (error) { + dev_err(dev, "get touch info failed, err:%d\n", error); + goto err_sync_frame; + } + + report_max_point = buf[REPORT_COUNT_ADDRESS]; + if (report_max_point > ts->max_tp) { + dev_err(dev, "FW report max point:%d > panel info. max:%d\n", + report_max_point, ts->max_tp); + error = -EINVAL; + goto err_sync_frame; + } + + count = DIV_ROUND_UP(report_max_point, packet_max_point); + for (i = 1; i < count; i++) { + error = ilitek_i2c_write_and_read(ts, NULL, 0, 0, + buf + i * 64, 64); + if (error) { + dev_err(dev, "get touch info. failed, cnt:%d, err:%d\n", + count, error); + goto err_sync_frame; + } + } + + for (i = 0; i < report_max_point; i++) { + status = buf[i * packet_len + 1] & 0x40; + if (!status) + continue; + + id = buf[i * packet_len + 1] & 0x3F; + + x = get_unaligned_le16(buf + i * packet_len + 2); + y = get_unaligned_le16(buf + i * packet_len + 4); + + if (x > ts->screen_max_x || x < ts->screen_min_x || + y > ts->screen_max_y || y < ts->screen_min_y) { + dev_warn(dev, "invalid position, X[%d,%u,%d], Y[%d,%u,%d]\n", + ts->screen_min_x, x, ts->screen_max_x, + ts->screen_min_y, y, ts->screen_max_y); + continue; + } + + ilitek_touch_down(ts, id, x, y); + } + +err_sync_frame: + input_mt_sync_frame(input); + input_sync(input); + return error; +} + +/* APIs of cmds for ILITEK Touch IC */ +static int api_protocol_set_cmd(struct ilitek_ts_data *ts, + u16 idx, u8 *inbuf, u8 *outbuf) +{ + u16 cmd; + int error; + + if (idx >= MAX_CMD_CNT) + return -EINVAL; + + cmd = ts->ptl_cb_func[idx].cmd; + error = ts->ptl_cb_func[idx].func(ts, cmd, inbuf, outbuf); + if (error) + return error; + + return 0; +} + +static int api_protocol_get_ptl_ver(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + int error; + u8 buf[64]; + + buf[0] = cmd; + error = ilitek_i2c_write_and_read(ts, buf, 1, 5, outbuf, 3); + if (error) + return error; + + ts->ptl.ver = get_unaligned_be16(outbuf); + ts->ptl.ver_major = outbuf[0]; + + return 0; +} + +static int api_protocol_get_mcu_ver(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + int error; + u8 buf[64]; + + buf[0] = cmd; + error = ilitek_i2c_write_and_read(ts, buf, 1, 5, outbuf, 32); + if (error) + return error; + + ts->mcu_ver = get_unaligned_le16(outbuf); + memset(ts->product_id, 0, sizeof(ts->product_id)); + memcpy(ts->product_id, outbuf + 6, 26); + + return 0; +} + +static int api_protocol_get_fw_ver(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + int error; + u8 buf[64]; + + buf[0] = cmd; + error = ilitek_i2c_write_and_read(ts, buf, 1, 5, outbuf, 8); + if (error) + return error; + + memcpy(ts->firmware_ver, outbuf, 8); + + return 0; +} + +static int api_protocol_get_scrn_res(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + int error; + u8 buf[64]; + + buf[0] = cmd; + error = ilitek_i2c_write_and_read(ts, buf, 1, 5, outbuf, 8); + if (error) + return error; + + ts->screen_min_x = get_unaligned_le16(outbuf); + ts->screen_min_y = get_unaligned_le16(outbuf + 2); + ts->screen_max_x = get_unaligned_le16(outbuf + 4); + ts->screen_max_y = get_unaligned_le16(outbuf + 6); + + return 0; +} + +static int api_protocol_get_tp_res(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + int error; + u8 buf[64]; + + buf[0] = cmd; + error = ilitek_i2c_write_and_read(ts, buf, 1, 5, outbuf, 15); + if (error) + return error; + + ts->max_tp = outbuf[8]; + if (ts->max_tp > ILITEK_SUPPORT_MAX_POINT) { + dev_err(&ts->client->dev, "Invalid MAX_TP:%d from FW\n", + ts->max_tp); + return -EINVAL; + } + + return 0; +} + +static int api_protocol_get_ic_mode(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + int error; + u8 buf[64]; + + buf[0] = cmd; + error = ilitek_i2c_write_and_read(ts, buf, 1, 5, outbuf, 2); + if (error) + return error; + + ts->ic_mode = outbuf[0]; + return 0; +} + +static int api_protocol_set_ic_sleep(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + u8 buf[64]; + + buf[0] = cmd; + return ilitek_i2c_write_and_read(ts, buf, 1, 0, NULL, 0); +} + +static int api_protocol_set_ic_wake(struct ilitek_ts_data *ts, + u16 cmd, u8 *inbuf, u8 *outbuf) +{ + u8 buf[64]; + + buf[0] = cmd; + return ilitek_i2c_write_and_read(ts, buf, 1, 0, NULL, 0); +} + +static const struct ilitek_protocol_map ptl_func_map[] = { + /* common cmds */ + [GET_PTL_VER] = { + ILITEK_TP_CMD_GET_PRL_VER, "GET_PTL_VER", + api_protocol_get_ptl_ver + }, + [GET_FW_VER] = { + ILITEK_TP_CMD_GET_FW_VER, "GET_FW_VER", + api_protocol_get_fw_ver + }, + [GET_SCRN_RES] = { + ILITEK_TP_CMD_GET_SCRN_RES, "GET_SCRN_RES", + api_protocol_get_scrn_res + }, + [GET_TP_RES] = { + ILITEK_TP_CMD_GET_TP_RES, "GET_TP_RES", + api_protocol_get_tp_res + }, + [GET_IC_MODE] = { + ILITEK_TP_CMD_GET_IC_MODE, "GET_IC_MODE", + api_protocol_get_ic_mode + }, + [GET_MCU_VER] = { + ILITEK_TP_CMD_GET_MCU_VER, "GET_MOD_VER", + api_protocol_get_mcu_ver + }, + [SET_IC_SLEEP] = { + ILITEK_TP_CMD_SET_IC_SLEEP, "SET_IC_SLEEP", + api_protocol_set_ic_sleep + }, + [SET_IC_WAKE] = { + ILITEK_TP_CMD_SET_IC_WAKE, "SET_IC_WAKE", + api_protocol_set_ic_wake + }, +}; + +/* Probe APIs */ +static void ilitek_reset(struct ilitek_ts_data *ts, int delay) +{ + if (ts->reset_gpio) { + gpiod_set_value(ts->reset_gpio, 1); + mdelay(10); + gpiod_set_value(ts->reset_gpio, 0); + mdelay(delay); + } +} + +static int ilitek_protocol_init(struct ilitek_ts_data *ts) +{ + int error; + u8 outbuf[64]; + + ts->ptl_cb_func = ptl_func_map; + ts->reset_time = 600; + + error = api_protocol_set_cmd(ts, GET_PTL_VER, NULL, outbuf); + if (error) + return error; + + /* Protocol v3 is not support currently */ + if (ts->ptl.ver_major == 0x3 || + ts->ptl.ver == BL_V1_6 || + ts->ptl.ver == BL_V1_7) + return -EINVAL; + + return 0; +} + +static int ilitek_read_tp_info(struct ilitek_ts_data *ts, bool boot) +{ + u8 outbuf[256]; + int error; + + error = api_protocol_set_cmd(ts, GET_PTL_VER, NULL, outbuf); + if (error) + return error; + + error = api_protocol_set_cmd(ts, GET_MCU_VER, NULL, outbuf); + if (error) + return error; + + error = api_protocol_set_cmd(ts, GET_FW_VER, NULL, outbuf); + if (error) + return error; + + if (boot) { + error = api_protocol_set_cmd(ts, GET_SCRN_RES, NULL, + outbuf); + if (error) + return error; + } + + error = api_protocol_set_cmd(ts, GET_TP_RES, NULL, outbuf); + if (error) + return error; + + error = api_protocol_set_cmd(ts, GET_IC_MODE, NULL, outbuf); + if (error) + return error; + + return 0; +} + +static int ilitek_input_dev_init(struct device *dev, struct ilitek_ts_data *ts) +{ + int error; + struct input_dev *input; + + input = devm_input_allocate_device(dev); + if (!input) + return -ENOMEM; + + ts->input_dev = input; + input->name = ILITEK_TS_NAME; + input->id.bustype = BUS_I2C; + + __set_bit(INPUT_PROP_DIRECT, input->propbit); + + input_set_abs_params(input, ABS_MT_POSITION_X, + ts->screen_min_x, ts->screen_max_x, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, + ts->screen_min_y, ts->screen_max_y, 0, 0); + + touchscreen_parse_properties(input, true, &ts->prop); + + error = input_mt_init_slots(input, ts->max_tp, + INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); + if (error) { + dev_err(dev, "initialize MT slots failed, err:%d\n", error); + return error; + } + + error = input_register_device(input); + if (error) { + dev_err(dev, "register input device failed, err:%d\n", error); + return error; + } + + return 0; +} + +static irqreturn_t ilitek_i2c_isr(int irq, void *dev_id) +{ + struct ilitek_ts_data *ts = dev_id; + int error; + + error = ilitek_process_and_report_v6(ts); + if (error < 0) { + dev_err(&ts->client->dev, "[%s] err:%d\n", __func__, error); + return IRQ_NONE; + } + + return IRQ_HANDLED; +} + +static ssize_t firmware_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ilitek_ts_data *ts = i2c_get_clientdata(client); + + return scnprintf(buf, PAGE_SIZE, + "fw version: [%02X%02X.%02X%02X.%02X%02X.%02X%02X]\n", + ts->firmware_ver[0], ts->firmware_ver[1], + ts->firmware_ver[2], ts->firmware_ver[3], + ts->firmware_ver[4], ts->firmware_ver[5], + ts->firmware_ver[6], ts->firmware_ver[7]); +} +static DEVICE_ATTR_RO(firmware_version); + +static ssize_t product_id_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ilitek_ts_data *ts = i2c_get_clientdata(client); + + return scnprintf(buf, PAGE_SIZE, "product id: [%04X], module: [%s]\n", + ts->mcu_ver, ts->product_id); +} +static DEVICE_ATTR_RO(product_id); + +static struct attribute *ilitek_sysfs_attrs[] = { + &dev_attr_firmware_version.attr, + &dev_attr_product_id.attr, + NULL +}; + +static struct attribute_group ilitek_attrs_group = { + .attrs = ilitek_sysfs_attrs, +}; + +static int ilitek_ts_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct ilitek_ts_data *ts; + struct device *dev = &client->dev; + int error; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + dev_err(dev, "i2c check functionality failed\n"); + return -ENXIO; + } + + ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL); + if (!ts) + return -ENOMEM; + + ts->client = client; + i2c_set_clientdata(client, ts); + + ts->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ts->reset_gpio)) { + error = PTR_ERR(ts->reset_gpio); + dev_err(dev, "request gpiod failed: %d", error); + return error; + } + + ilitek_reset(ts, 1000); + + error = ilitek_protocol_init(ts); + if (error) { + dev_err(dev, "protocol init failed: %d", error); + return error; + } + + error = ilitek_read_tp_info(ts, true); + if (error) { + dev_err(dev, "read tp info failed: %d", error); + return error; + } + + error = ilitek_input_dev_init(dev, ts); + if (error) { + dev_err(dev, "input dev init failed: %d", error); + return error; + } + + error = devm_request_threaded_irq(dev, ts->client->irq, + NULL, ilitek_i2c_isr, IRQF_ONESHOT, + "ilitek_touch_irq", ts); + if (error) { + dev_err(dev, "request threaded irq failed: %d\n", error); + return error; + } + + error = devm_device_add_group(dev, &ilitek_attrs_group); + if (error) { + dev_err(dev, "sysfs create group failed: %d\n", error); + return error; + } + + return 0; +} + +static int __maybe_unused ilitek_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ilitek_ts_data *ts = i2c_get_clientdata(client); + int error; + + disable_irq(client->irq); + + if (!device_may_wakeup(dev)) { + error = api_protocol_set_cmd(ts, SET_IC_SLEEP, NULL, NULL); + if (error) + return error; + } + + return 0; +} + +static int __maybe_unused ilitek_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ilitek_ts_data *ts = i2c_get_clientdata(client); + int error; + + if (!device_may_wakeup(dev)) { + error = api_protocol_set_cmd(ts, SET_IC_WAKE, NULL, NULL); + if (error) + return error; + + ilitek_reset(ts, ts->reset_time); + } + + enable_irq(client->irq); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(ilitek_pm_ops, ilitek_suspend, ilitek_resume); + +static const struct i2c_device_id ilitek_ts_i2c_id[] = { + { ILITEK_TS_NAME, 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, ilitek_ts_i2c_id); + +#ifdef CONFIG_ACPI +static const struct acpi_device_id ilitekts_acpi_id[] = { + { "ILTK0001", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, ilitekts_acpi_id); +#endif + +#ifdef CONFIG_OF +static const struct of_device_id ilitek_ts_i2c_match[] = { + {.compatible = "ilitek,ili2130",}, + {.compatible = "ilitek,ili2131",}, + {.compatible = "ilitek,ili2132",}, + {.compatible = "ilitek,ili2316",}, + {.compatible = "ilitek,ili2322",}, + {.compatible = "ilitek,ili2323",}, + {.compatible = "ilitek,ili2326",}, + {.compatible = "ilitek,ili2520",}, + {.compatible = "ilitek,ili2521",}, + { }, +}; +MODULE_DEVICE_TABLE(of, ilitek_ts_i2c_match); +#endif + +static struct i2c_driver ilitek_ts_i2c_driver = { + .driver = { + .name = ILITEK_TS_NAME, + .pm = &ilitek_pm_ops, + .of_match_table = of_match_ptr(ilitek_ts_i2c_match), + .acpi_match_table = ACPI_PTR(ilitekts_acpi_id), + }, + .probe = ilitek_ts_i2c_probe, + .id_table = ilitek_ts_i2c_id, +}; +module_i2c_driver(ilitek_ts_i2c_driver); + +MODULE_AUTHOR("ILITEK"); +MODULE_DESCRIPTION("ILITEK I2C Touchscreen Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/iqs5xx.c b/drivers/input/touchscreen/iqs5xx.c index 54f30038dca4..b3fa71213d60 100644 --- a/drivers/input/touchscreen/iqs5xx.c +++ b/drivers/input/touchscreen/iqs5xx.c @@ -8,7 +8,7 @@ * made available by the vendor. Firmware files may be pushed to the device's * nonvolatile memory by writing the filename to the 'fw_file' sysfs control. * - * Link to PC-based configuration tool and data sheet: http://www.azoteq.com/ + * Link to PC-based configuration tool and datasheet: https://www.azoteq.com/ */ #include <linux/bits.h> @@ -32,14 +32,10 @@ #define IQS5XX_NUM_RETRIES 10 #define IQS5XX_NUM_CONTACTS 5 #define IQS5XX_WR_BYTES_MAX 2 -#define IQS5XX_XY_RES_MAX 0xFFFE #define IQS5XX_PROD_NUM_IQS550 40 #define IQS5XX_PROD_NUM_IQS572 58 #define IQS5XX_PROD_NUM_IQS525 52 -#define IQS5XX_PROJ_NUM_A000 0 -#define IQS5XX_PROJ_NUM_B000 15 -#define IQS5XX_MAJOR_VER_MIN 2 #define IQS5XX_SHOW_RESET BIT(7) #define IQS5XX_ACK_RESET BIT(7) @@ -64,6 +60,7 @@ #define IQS5XX_SYS_CFG1 0x058F #define IQS5XX_X_RES 0x066E #define IQS5XX_Y_RES 0x0670 +#define IQS5XX_EXP_FILE 0x0677 #define IQS5XX_CHKSM 0x83C0 #define IQS5XX_APP 0x8400 #define IQS5XX_CSTM 0xBE00 @@ -87,22 +84,11 @@ #define IQS5XX_BL_CMD_CRC 0x03 #define IQS5XX_BL_BLK_LEN_MAX 64 #define IQS5XX_BL_ID 0x0200 -#define IQS5XX_BL_STATUS_RESET 0x00 -#define IQS5XX_BL_STATUS_AVAIL 0xA5 #define IQS5XX_BL_STATUS_NONE 0xEE #define IQS5XX_BL_CRC_PASS 0x00 #define IQS5XX_BL_CRC_FAIL 0x01 #define IQS5XX_BL_ATTEMPTS 3 -struct iqs5xx_private { - struct i2c_client *client; - struct input_dev *input; - struct gpio_desc *reset_gpio; - struct touchscreen_properties prop; - struct mutex lock; - u8 bl_status; -}; - struct iqs5xx_dev_id_info { __be16 prod_num; __be16 proj_num; @@ -134,6 +120,16 @@ struct iqs5xx_status { struct iqs5xx_touch_data touch_data[IQS5XX_NUM_CONTACTS]; } __packed; +struct iqs5xx_private { + struct i2c_client *client; + struct input_dev *input; + struct gpio_desc *reset_gpio; + struct touchscreen_properties prop; + struct mutex lock; + struct iqs5xx_dev_id_info dev_id_info; + u8 exp_file[2]; +}; + static int iqs5xx_read_burst(struct i2c_client *client, u16 reg, void *val, u16 len) { @@ -446,7 +442,7 @@ static int iqs5xx_set_state(struct i2c_client *client, u8 state) struct iqs5xx_private *iqs5xx = i2c_get_clientdata(client); int error1, error2; - if (iqs5xx->bl_status == IQS5XX_BL_STATUS_RESET) + if (!iqs5xx->dev_id_info.bl_status) return 0; mutex_lock(&iqs5xx->lock); @@ -504,10 +500,6 @@ static int iqs5xx_axis_init(struct i2c_client *client) input->open = iqs5xx_open; input->close = iqs5xx_close; - input_set_capability(input, EV_ABS, ABS_MT_POSITION_X); - input_set_capability(input, EV_ABS, ABS_MT_POSITION_Y); - input_set_capability(input, EV_ABS, ABS_MT_PRESSURE); - input_set_drvdata(input, iqs5xx); iqs5xx->input = input; } @@ -520,26 +512,29 @@ static int iqs5xx_axis_init(struct i2c_client *client) if (error) return error; - input_abs_set_max(iqs5xx->input, ABS_MT_POSITION_X, max_x); - input_abs_set_max(iqs5xx->input, ABS_MT_POSITION_Y, max_y); + input_set_abs_params(iqs5xx->input, ABS_MT_POSITION_X, 0, max_x, 0, 0); + input_set_abs_params(iqs5xx->input, ABS_MT_POSITION_Y, 0, max_y, 0, 0); + input_set_abs_params(iqs5xx->input, ABS_MT_PRESSURE, 0, U16_MAX, 0, 0); touchscreen_parse_properties(iqs5xx->input, true, prop); - if (prop->max_x > IQS5XX_XY_RES_MAX) { - dev_err(&client->dev, "Invalid maximum x-coordinate: %u > %u\n", - prop->max_x, IQS5XX_XY_RES_MAX); + /* + * The device reserves 0xFFFF for coordinates that correspond to slots + * which are not in a state of touch. + */ + if (prop->max_x >= U16_MAX || prop->max_y >= U16_MAX) { + dev_err(&client->dev, "Invalid touchscreen size: %u*%u\n", + prop->max_x, prop->max_y); return -EINVAL; - } else if (prop->max_x != max_x) { + } + + if (prop->max_x != max_x) { error = iqs5xx_write_word(client, IQS5XX_X_RES, prop->max_x); if (error) return error; } - if (prop->max_y > IQS5XX_XY_RES_MAX) { - dev_err(&client->dev, "Invalid maximum y-coordinate: %u > %u\n", - prop->max_y, IQS5XX_XY_RES_MAX); - return -EINVAL; - } else if (prop->max_y != max_y) { + if (prop->max_y != max_y) { error = iqs5xx_write_word(client, IQS5XX_Y_RES, prop->max_y); if (error) return error; @@ -574,7 +569,7 @@ static int iqs5xx_dev_init(struct i2c_client *client) * the missing zero is prepended). */ buf[0] = 0; - dev_id_info = (struct iqs5xx_dev_id_info *)&buf[(buf[1] > 0) ? 0 : 1]; + dev_id_info = (struct iqs5xx_dev_id_info *)&buf[buf[1] ? 0 : 1]; switch (be16_to_cpu(dev_id_info->prod_num)) { case IQS5XX_PROD_NUM_IQS550: @@ -587,35 +582,20 @@ static int iqs5xx_dev_init(struct i2c_client *client) return -EINVAL; } - switch (be16_to_cpu(dev_id_info->proj_num)) { - case IQS5XX_PROJ_NUM_A000: - dev_err(&client->dev, "Unsupported project number: %u\n", - be16_to_cpu(dev_id_info->proj_num)); - return iqs5xx_bl_open(client); - case IQS5XX_PROJ_NUM_B000: - break; - default: - dev_err(&client->dev, "Unrecognized project number: %u\n", - be16_to_cpu(dev_id_info->proj_num)); - return -EINVAL; - } - - if (dev_id_info->major_ver < IQS5XX_MAJOR_VER_MIN) { - dev_err(&client->dev, "Unsupported major version: %u\n", - dev_id_info->major_ver); + /* + * With the product number recognized yet shifted by one byte, open the + * bootloader and wait for user space to convert the A000 device into a + * B000 device via new firmware. + */ + if (buf[1]) { + dev_err(&client->dev, "Opening bootloader for A000 device\n"); return iqs5xx_bl_open(client); } - switch (dev_id_info->bl_status) { - case IQS5XX_BL_STATUS_AVAIL: - case IQS5XX_BL_STATUS_NONE: - break; - default: - dev_err(&client->dev, - "Unrecognized bootloader status: 0x%02X\n", - dev_id_info->bl_status); - return -EINVAL; - } + error = iqs5xx_read_burst(client, IQS5XX_EXP_FILE, + iqs5xx->exp_file, sizeof(iqs5xx->exp_file)); + if (error) + return error; error = iqs5xx_axis_init(client); if (error) @@ -640,7 +620,7 @@ static int iqs5xx_dev_init(struct i2c_client *client) if (error) return error; - iqs5xx->bl_status = dev_id_info->bl_status; + iqs5xx->dev_id_info = *dev_id_info; /* * The following delay allows ATI to complete before the open and close @@ -666,7 +646,7 @@ static irqreturn_t iqs5xx_irq(int irq, void *data) * RDY output during bootloader mode. If the device operates outside of * bootloader mode, the input device is guaranteed to be allocated. */ - if (iqs5xx->bl_status == IQS5XX_BL_STATUS_RESET) + if (!iqs5xx->dev_id_info.bl_status) return IRQ_NONE; error = iqs5xx_read_burst(client, IQS5XX_SYS_INFO0, @@ -852,12 +832,9 @@ static int iqs5xx_fw_file_parse(struct i2c_client *client, static int iqs5xx_fw_file_write(struct i2c_client *client, const char *fw_file) { struct iqs5xx_private *iqs5xx = i2c_get_clientdata(client); - int error, error_bl = 0; + int error, error_init = 0; u8 *pmap; - if (iqs5xx->bl_status == IQS5XX_BL_STATUS_NONE) - return -EPERM; - pmap = kzalloc(IQS5XX_PMAP_LEN, GFP_KERNEL); if (!pmap) return -ENOMEM; @@ -875,7 +852,7 @@ static int iqs5xx_fw_file_write(struct i2c_client *client, const char *fw_file) */ disable_irq(client->irq); - iqs5xx->bl_status = IQS5XX_BL_STATUS_RESET; + iqs5xx->dev_id_info.bl_status = 0; error = iqs5xx_bl_cmd(client, IQS5XX_BL_CMD_VER, 0); if (error) { @@ -895,21 +872,14 @@ static int iqs5xx_fw_file_write(struct i2c_client *client, const char *fw_file) error = iqs5xx_bl_verify(client, IQS5XX_CSTM, pmap + IQS5XX_CHKSM_LEN + IQS5XX_APP_LEN, IQS5XX_CSTM_LEN); - if (error) - goto err_reset; - - error = iqs5xx_bl_cmd(client, IQS5XX_BL_CMD_EXEC, 0); err_reset: - if (error) { - iqs5xx_reset(client); - usleep_range(10000, 10100); - } + iqs5xx_reset(client); + usleep_range(15000, 15100); - error_bl = error; - error = iqs5xx_dev_init(client); - if (!error && iqs5xx->bl_status == IQS5XX_BL_STATUS_RESET) - error = -EINVAL; + error_init = iqs5xx_dev_init(client); + if (!iqs5xx->dev_id_info.bl_status) + error_init = error_init ? : -EINVAL; enable_irq(client->irq); @@ -918,10 +888,7 @@ err_reset: err_kfree: kfree(pmap); - if (error_bl) - return error_bl; - - return error; + return error ? : error_init; } static ssize_t fw_file_store(struct device *dev, @@ -968,14 +935,47 @@ static ssize_t fw_file_store(struct device *dev, return count; } +static ssize_t fw_info_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct iqs5xx_private *iqs5xx = dev_get_drvdata(dev); + + if (!iqs5xx->dev_id_info.bl_status) + return -ENODATA; + + return scnprintf(buf, PAGE_SIZE, "%u.%u.%u.%u:%u.%u\n", + be16_to_cpu(iqs5xx->dev_id_info.prod_num), + be16_to_cpu(iqs5xx->dev_id_info.proj_num), + iqs5xx->dev_id_info.major_ver, + iqs5xx->dev_id_info.minor_ver, + iqs5xx->exp_file[0], iqs5xx->exp_file[1]); +} + static DEVICE_ATTR_WO(fw_file); +static DEVICE_ATTR_RO(fw_info); static struct attribute *iqs5xx_attrs[] = { &dev_attr_fw_file.attr, + &dev_attr_fw_info.attr, NULL, }; +static umode_t iqs5xx_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct device *dev = kobj_to_dev(kobj); + struct iqs5xx_private *iqs5xx = dev_get_drvdata(dev); + + if (attr == &dev_attr_fw_file.attr && + (iqs5xx->dev_id_info.bl_status == IQS5XX_BL_STATUS_NONE || + !iqs5xx->reset_gpio)) + return 0; + + return attr->mode; +} + static const struct attribute_group iqs5xx_attr_group = { + .is_visible = iqs5xx_attr_is_visible, .attrs = iqs5xx_attrs, }; @@ -1032,8 +1032,8 @@ static int iqs5xx_probe(struct i2c_client *client, i2c_set_clientdata(client, iqs5xx); iqs5xx->client = client; - iqs5xx->reset_gpio = devm_gpiod_get(&client->dev, - "reset", GPIOD_OUT_LOW); + iqs5xx->reset_gpio = devm_gpiod_get_optional(&client->dev, + "reset", GPIOD_OUT_LOW); if (IS_ERR(iqs5xx->reset_gpio)) { error = PTR_ERR(iqs5xx->reset_gpio); dev_err(&client->dev, "Failed to request GPIO: %d\n", error); @@ -1042,9 +1042,6 @@ static int iqs5xx_probe(struct i2c_client *client, mutex_init(&iqs5xx->lock); - iqs5xx_reset(client); - usleep_range(10000, 10100); - error = iqs5xx_dev_init(client); if (error) return error; diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c index b51450b3d943..15b5cb763526 100644 --- a/drivers/input/touchscreen/lpc32xx_ts.c +++ b/drivers/input/touchscreen/lpc32xx_ts.c @@ -34,18 +34,18 @@ #define LPC32XX_TSC_AUX_MIN 0x38 #define LPC32XX_TSC_AUX_MAX 0x3C -#define LPC32XX_TSC_STAT_FIFO_OVRRN (1 << 8) -#define LPC32XX_TSC_STAT_FIFO_EMPTY (1 << 7) +#define LPC32XX_TSC_STAT_FIFO_OVRRN BIT(8) +#define LPC32XX_TSC_STAT_FIFO_EMPTY BIT(7) #define LPC32XX_TSC_SEL_DEFVAL 0x0284 #define LPC32XX_TSC_ADCCON_IRQ_TO_FIFO_4 (0x1 << 11) #define LPC32XX_TSC_ADCCON_X_SAMPLE_SIZE(s) ((10 - (s)) << 7) #define LPC32XX_TSC_ADCCON_Y_SAMPLE_SIZE(s) ((10 - (s)) << 4) -#define LPC32XX_TSC_ADCCON_POWER_UP (1 << 2) -#define LPC32XX_TSC_ADCCON_AUTO_EN (1 << 0) +#define LPC32XX_TSC_ADCCON_POWER_UP BIT(2) +#define LPC32XX_TSC_ADCCON_AUTO_EN BIT(0) -#define LPC32XX_TSC_FIFO_TS_P_LEVEL (1 << 31) +#define LPC32XX_TSC_FIFO_TS_P_LEVEL BIT(31) #define LPC32XX_TSC_FIFO_NORMALIZE_X_VAL(x) (((x) & 0x03FF0000) >> 16) #define LPC32XX_TSC_FIFO_NORMALIZE_Y_VAL(y) ((y) & 0x000003FF) diff --git a/drivers/input/touchscreen/melfas_mip4.c b/drivers/input/touchscreen/melfas_mip4.c index 225796a3f546..2745bf1aee38 100644 --- a/drivers/input/touchscreen/melfas_mip4.c +++ b/drivers/input/touchscreen/melfas_mip4.c @@ -1502,7 +1502,8 @@ static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id) error = devm_request_threaded_irq(&client->dev, client->irq, NULL, mip4_interrupt, - IRQF_ONESHOT, MIP4_DEVICE_NAME, ts); + IRQF_ONESHOT | IRQF_NO_AUTOEN, + MIP4_DEVICE_NAME, ts); if (error) { dev_err(&client->dev, "Failed to request interrupt %d: %d\n", @@ -1510,8 +1511,6 @@ static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id) return error; } - disable_irq(client->irq); - error = input_register_device(input); if (error) { dev_err(&client->dev, diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c index 16557f51b09d..0efd1a1bb192 100644 --- a/drivers/input/touchscreen/mms114.c +++ b/drivers/input/touchscreen/mms114.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -// Melfas MMS114/MMS152 touchscreen device driver +// Melfas MMS114/MMS136/MMS152 touchscreen device driver // // Copyright (c) 2012 Samsung Electronics Co., Ltd. // Author: Joonyoung Shim <[email protected]> @@ -44,7 +44,8 @@ #define MMS114_MAX_AREA 0xff #define MMS114_MAX_TOUCH 10 -#define MMS114_PACKET_NUM 8 +#define MMS114_EVENT_SIZE 8 +#define MMS136_EVENT_SIZE 6 /* Touch type */ #define MMS114_TYPE_NONE 0 @@ -53,6 +54,7 @@ enum mms_type { TYPE_MMS114 = 114, + TYPE_MMS136 = 136, TYPE_MMS152 = 152, TYPE_MMS345L = 345, }; @@ -209,7 +211,11 @@ static irqreturn_t mms114_interrupt(int irq, void *dev_id) if (packet_size <= 0) goto out; - touch_size = packet_size / MMS114_PACKET_NUM; + /* MMS136 has slightly different event size */ + if (data->type == TYPE_MMS136) + touch_size = packet_size / MMS136_EVENT_SIZE; + else + touch_size = packet_size / MMS114_EVENT_SIZE; error = __mms114_read_reg(data, MMS114_INFORMATION, packet_size, (u8 *)touch); @@ -275,6 +281,7 @@ static int mms114_get_version(struct mms114_data *data) break; case TYPE_MMS114: + case TYPE_MMS136: error = __mms114_read_reg(data, MMS114_TSP_REV, 6, buf); if (error) return error; @@ -297,8 +304,8 @@ static int mms114_setup_regs(struct mms114_data *data) if (error < 0) return error; - /* Only MMS114 has configuration and power on registers */ - if (data->type != TYPE_MMS114) + /* Only MMS114 and MMS136 have configuration and power on registers */ + if (data->type != TYPE_MMS114 && data->type != TYPE_MMS136) return 0; error = mms114_set_active(data, true); @@ -480,7 +487,7 @@ static int mms114_probe(struct i2c_client *client, 0, data->props.max_y, 0, 0); } - if (data->type == TYPE_MMS114) { + if (data->type == TYPE_MMS114 || data->type == TYPE_MMS136) { /* * The firmware handles movement and pressure fuzz, so * don't duplicate that in software. @@ -530,13 +537,13 @@ static int mms114_probe(struct i2c_client *client, } error = devm_request_threaded_irq(&client->dev, client->irq, - NULL, mms114_interrupt, IRQF_ONESHOT, + NULL, mms114_interrupt, + IRQF_ONESHOT | IRQF_NO_AUTOEN, dev_name(&client->dev), data); if (error) { dev_err(&client->dev, "Failed to register interrupt\n"); return error; } - disable_irq(client->irq); error = input_register_device(data->input_dev); if (error) { @@ -605,6 +612,9 @@ static const struct of_device_id mms114_dt_match[] = { .compatible = "melfas,mms114", .data = (void *)TYPE_MMS114, }, { + .compatible = "melfas,mms136", + .data = (void *)TYPE_MMS136, + }, { .compatible = "melfas,mms152", .data = (void *)TYPE_MMS152, }, { diff --git a/drivers/input/touchscreen/msg2638.c b/drivers/input/touchscreen/msg2638.c new file mode 100644 index 000000000000..75536bc88969 --- /dev/null +++ b/drivers/input/touchscreen/msg2638.c @@ -0,0 +1,337 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Driver for MStar msg2638 touchscreens + * + * Copyright (c) 2021 Vincent Knecht <[email protected]> + * + * Checksum and IRQ handler based on mstar_drv_common.c and + * mstar_drv_mutual_fw_control.c + * Copyright (c) 2006-2012 MStar Semiconductor, Inc. + * + * Driver structure based on zinitix.c by Michael Srba <[email protected]> + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/input/touchscreen.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> + +#define MODE_DATA_RAW 0x5A + +#define MAX_SUPPORTED_FINGER_NUM 5 + +#define CHIP_ON_DELAY_MS 15 +#define FIRMWARE_ON_DELAY_MS 50 +#define RESET_DELAY_MIN_US 10000 +#define RESET_DELAY_MAX_US 11000 + +struct packet { + u8 xy_hi; /* higher bits of x and y coordinates */ + u8 x_low; + u8 y_low; + u8 pressure; +}; + +struct touch_event { + u8 mode; + struct packet pkt[MAX_SUPPORTED_FINGER_NUM]; + u8 proximity; + u8 checksum; +}; + +struct msg2638_ts_data { + struct i2c_client *client; + struct input_dev *input_dev; + struct touchscreen_properties prop; + struct regulator_bulk_data supplies[2]; + struct gpio_desc *reset_gpiod; +}; + +static u8 msg2638_checksum(u8 *data, u32 length) +{ + s32 sum = 0; + u32 i; + + for (i = 0; i < length; i++) + sum += data[i]; + + return (u8)((-sum) & 0xFF); +} + +static irqreturn_t msg2638_ts_irq_handler(int irq, void *msg2638_handler) +{ + struct msg2638_ts_data *msg2638 = msg2638_handler; + struct i2c_client *client = msg2638->client; + struct input_dev *input = msg2638->input_dev; + struct touch_event touch_event; + u32 len = sizeof(touch_event); + struct i2c_msg msg[] = { + { + .addr = client->addr, + .flags = I2C_M_RD, + .len = sizeof(touch_event), + .buf = (u8 *)&touch_event, + }, + }; + struct packet *p; + u16 x, y; + int ret; + int i; + + ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); + if (ret != ARRAY_SIZE(msg)) { + dev_err(&client->dev, + "Failed I2C transfer in irq handler: %d\n", + ret < 0 ? ret : -EIO); + goto out; + } + + if (touch_event.mode != MODE_DATA_RAW) + goto out; + + if (msg2638_checksum((u8 *)&touch_event, len - 1) != + touch_event.checksum) { + dev_err(&client->dev, "Failed checksum!\n"); + goto out; + } + + for (i = 0; i < MAX_SUPPORTED_FINGER_NUM; i++) { + p = &touch_event.pkt[i]; + + /* Ignore non-pressed finger data */ + if (p->xy_hi == 0xFF && p->x_low == 0xFF && p->y_low == 0xFF) + continue; + + x = (((p->xy_hi & 0xF0) << 4) | p->x_low); + y = (((p->xy_hi & 0x0F) << 8) | p->y_low); + + input_mt_slot(input, i); + input_mt_report_slot_state(input, MT_TOOL_FINGER, true); + touchscreen_report_pos(input, &msg2638->prop, x, y, true); + } + + input_mt_sync_frame(msg2638->input_dev); + input_sync(msg2638->input_dev); + +out: + return IRQ_HANDLED; +} + +static void msg2638_reset(struct msg2638_ts_data *msg2638) +{ + gpiod_set_value_cansleep(msg2638->reset_gpiod, 1); + usleep_range(RESET_DELAY_MIN_US, RESET_DELAY_MAX_US); + gpiod_set_value_cansleep(msg2638->reset_gpiod, 0); + msleep(FIRMWARE_ON_DELAY_MS); +} + +static int msg2638_start(struct msg2638_ts_data *msg2638) +{ + int error; + + error = regulator_bulk_enable(ARRAY_SIZE(msg2638->supplies), + msg2638->supplies); + if (error) { + dev_err(&msg2638->client->dev, + "Failed to enable regulators: %d\n", error); + return error; + } + + msleep(CHIP_ON_DELAY_MS); + + msg2638_reset(msg2638); + + enable_irq(msg2638->client->irq); + + return 0; +} + +static int msg2638_stop(struct msg2638_ts_data *msg2638) +{ + int error; + + disable_irq(msg2638->client->irq); + + error = regulator_bulk_disable(ARRAY_SIZE(msg2638->supplies), + msg2638->supplies); + if (error) { + dev_err(&msg2638->client->dev, + "Failed to disable regulators: %d\n", error); + return error; + } + + return 0; +} + +static int msg2638_input_open(struct input_dev *dev) +{ + struct msg2638_ts_data *msg2638 = input_get_drvdata(dev); + + return msg2638_start(msg2638); +} + +static void msg2638_input_close(struct input_dev *dev) +{ + struct msg2638_ts_data *msg2638 = input_get_drvdata(dev); + + msg2638_stop(msg2638); +} + +static int msg2638_init_input_dev(struct msg2638_ts_data *msg2638) +{ + struct device *dev = &msg2638->client->dev; + struct input_dev *input_dev; + int error; + + input_dev = devm_input_allocate_device(dev); + if (!input_dev) { + dev_err(dev, "Failed to allocate input device.\n"); + return -ENOMEM; + } + + input_set_drvdata(input_dev, msg2638); + msg2638->input_dev = input_dev; + + input_dev->name = "MStar TouchScreen"; + input_dev->phys = "input/ts"; + input_dev->id.bustype = BUS_I2C; + input_dev->open = msg2638_input_open; + input_dev->close = msg2638_input_close; + + input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_X); + input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_Y); + + touchscreen_parse_properties(input_dev, true, &msg2638->prop); + if (!msg2638->prop.max_x || !msg2638->prop.max_y) { + dev_err(dev, "touchscreen-size-x and/or touchscreen-size-y not set in properties\n"); + return -EINVAL; + } + + error = input_mt_init_slots(input_dev, MAX_SUPPORTED_FINGER_NUM, + INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); + if (error) { + dev_err(dev, "Failed to initialize MT slots: %d\n", error); + return error; + } + + error = input_register_device(input_dev); + if (error) { + dev_err(dev, "Failed to register input device: %d\n", error); + return error; + } + + return 0; +} + +static int msg2638_ts_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct msg2638_ts_data *msg2638; + int error; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + dev_err(dev, "Failed to assert adapter's support for plain I2C.\n"); + return -ENXIO; + } + + msg2638 = devm_kzalloc(dev, sizeof(*msg2638), GFP_KERNEL); + if (!msg2638) + return -ENOMEM; + + msg2638->client = client; + i2c_set_clientdata(client, msg2638); + + msg2638->supplies[0].supply = "vdd"; + msg2638->supplies[1].supply = "vddio"; + error = devm_regulator_bulk_get(dev, ARRAY_SIZE(msg2638->supplies), + msg2638->supplies); + if (error) { + dev_err(dev, "Failed to get regulators: %d\n", error); + return error; + } + + msg2638->reset_gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(msg2638->reset_gpiod)) { + error = PTR_ERR(msg2638->reset_gpiod); + dev_err(dev, "Failed to request reset GPIO: %d\n", error); + return error; + } + + error = msg2638_init_input_dev(msg2638); + if (error) { + dev_err(dev, "Failed to initialize input device: %d\n", error); + return error; + } + + error = devm_request_threaded_irq(dev, client->irq, + NULL, msg2638_ts_irq_handler, + IRQF_ONESHOT | IRQF_NO_AUTOEN, + client->name, msg2638); + if (error) { + dev_err(dev, "Failed to request IRQ: %d\n", error); + return error; + } + + return 0; +} + +static int __maybe_unused msg2638_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct msg2638_ts_data *msg2638 = i2c_get_clientdata(client); + + mutex_lock(&msg2638->input_dev->mutex); + + if (input_device_enabled(msg2638->input_dev)) + msg2638_stop(msg2638); + + mutex_unlock(&msg2638->input_dev->mutex); + + return 0; +} + +static int __maybe_unused msg2638_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct msg2638_ts_data *msg2638 = i2c_get_clientdata(client); + int ret = 0; + + mutex_lock(&msg2638->input_dev->mutex); + + if (input_device_enabled(msg2638->input_dev)) + ret = msg2638_start(msg2638); + + mutex_unlock(&msg2638->input_dev->mutex); + + return ret; +} + +static SIMPLE_DEV_PM_OPS(msg2638_pm_ops, msg2638_suspend, msg2638_resume); + +static const struct of_device_id msg2638_of_match[] = { + { .compatible = "mstar,msg2638" }, + { } +}; +MODULE_DEVICE_TABLE(of, msg2638_of_match); + +static struct i2c_driver msg2638_ts_driver = { + .probe_new = msg2638_ts_probe, + .driver = { + .name = "MStar-TS", + .pm = &msg2638_pm_ops, + .of_match_table = msg2638_of_match, + }, +}; +module_i2c_driver(msg2638_ts_driver); + +MODULE_AUTHOR("Vincent Knecht <[email protected]>"); +MODULE_DESCRIPTION("MStar MSG2638 touchscreen driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index 8fa2f3b7cfd8..1ee760bac0cf 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -20,6 +20,7 @@ #include <linux/input/mt.h> #include <linux/input/touchscreen.h> #include <linux/pm.h> +#include <linux/pm_runtime.h> #include <linux/irq.h> #include <linux/regulator/consumer.h> @@ -335,10 +336,8 @@ static int silead_ts_get_id(struct i2c_client *client) error = i2c_smbus_read_i2c_block_data(client, SILEAD_REG_ID, sizeof(chip_id), (u8 *)&chip_id); - if (error < 0) { - dev_err(&client->dev, "Chip ID read error %d\n", error); + if (error < 0) return error; - } data->chip_id = le32_to_cpu(chip_id); dev_info(&client->dev, "Silead chip ID: 0x%8X", data->chip_id); @@ -351,12 +350,49 @@ static int silead_ts_setup(struct i2c_client *client) int error; u32 status; + /* + * Some buggy BIOS-es bring up the chip in a stuck state where it + * blocks the I2C bus. The following steps are necessary to + * unstuck the chip / bus: + * 1. Turn off the Silead chip. + * 2. Try to do an I2C transfer with the chip, this will fail in + * response to which the I2C-bus-driver will call: + * i2c_recover_bus() which will unstuck the I2C-bus. Note the + * unstuck-ing of the I2C bus only works if we first drop the + * chip off the bus by turning it off. + * 3. Turn the chip back on. + * + * On the x86/ACPI systems were this problem is seen, step 1. and + * 3. require making ACPI calls and dealing with ACPI Power + * Resources. The workaround below runtime-suspends the chip to + * turn it off, leaving it up to the ACPI subsystem to deal with + * this. + */ + + if (device_property_read_bool(&client->dev, + "silead,stuck-controller-bug")) { + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + pm_runtime_allow(&client->dev); + + pm_runtime_suspend(&client->dev); + + dev_warn(&client->dev, FW_BUG "Stuck I2C bus: please ignore the next 'controller timed out' error\n"); + silead_ts_get_id(client); + + /* The forbid will also resume the device */ + pm_runtime_forbid(&client->dev); + pm_runtime_disable(&client->dev); + } + silead_ts_set_power(client, SILEAD_POWER_OFF); silead_ts_set_power(client, SILEAD_POWER_ON); error = silead_ts_get_id(client); - if (error) + if (error) { + dev_err(&client->dev, "Chip ID read error %d\n", error); return error; + } error = silead_ts_init(client); if (error) @@ -486,7 +522,7 @@ static int silead_ts_probe(struct i2c_client *client, silead_ts_read_props(client); - /* We must have the IRQ provided by DT or ACPI subsytem */ + /* We must have the IRQ provided by DT or ACPI subsystem */ if (client->irq <= 0) return -ENODEV; diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c index 9a64e1dbc04a..bc11203c9cf7 100644 --- a/drivers/input/touchscreen/stmfts.c +++ b/drivers/input/touchscreen/stmfts.c @@ -691,10 +691,9 @@ static int stmfts_probe(struct i2c_client *client, * interrupts. To be on the safe side it's better to not enable * the interrupts during their request. */ - irq_set_status_flags(client->irq, IRQ_NOAUTOEN); err = devm_request_threaded_irq(&client->dev, client->irq, NULL, stmfts_irq_handler, - IRQF_ONESHOT, + IRQF_ONESHOT | IRQF_NO_AUTOEN, "stmfts_irq", sdata); if (err) return err; diff --git a/drivers/input/touchscreen/tsc2007.h b/drivers/input/touchscreen/tsc2007.h index 91c60bf6dcaf..69b08dd6c8df 100644 --- a/drivers/input/touchscreen/tsc2007.h +++ b/drivers/input/touchscreen/tsc2007.h @@ -19,6 +19,8 @@ #ifndef _TSC2007_H #define _TSC2007_H +struct gpio_desc; + #define TSC2007_MEASURE_TEMP0 (0x0 << 4) #define TSC2007_MEASURE_AUX (0x2 << 4) #define TSC2007_MEASURE_TEMP1 (0x4 << 4) @@ -69,7 +71,7 @@ struct tsc2007 { int fuzzy; int fuzzz; - unsigned int gpio; + struct gpio_desc *gpiod; int irq; wait_queue_head_t wait; diff --git a/drivers/input/touchscreen/tsc2007_core.c b/drivers/input/touchscreen/tsc2007_core.c index 3b80abfc1eca..3e871d182c40 100644 --- a/drivers/input/touchscreen/tsc2007_core.c +++ b/drivers/input/touchscreen/tsc2007_core.c @@ -19,11 +19,12 @@ #include <linux/module.h> #include <linux/slab.h> +#include <linux/gpio/consumer.h> #include <linux/input.h> #include <linux/interrupt.h> #include <linux/i2c.h> -#include <linux/of_device.h> -#include <linux/of_gpio.h> +#include <linux/mod_devicetable.h> +#include <linux/property.h> #include <linux/platform_data/tsc2007.h> #include "tsc2007.h" @@ -220,71 +221,58 @@ static void tsc2007_close(struct input_dev *input_dev) tsc2007_stop(ts); } -#ifdef CONFIG_OF static int tsc2007_get_pendown_state_gpio(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct tsc2007 *ts = i2c_get_clientdata(client); - return !gpio_get_value(ts->gpio); + return gpiod_get_value(ts->gpiod); } -static int tsc2007_probe_dt(struct i2c_client *client, struct tsc2007 *ts) +static int tsc2007_probe_properties(struct device *dev, struct tsc2007 *ts) { - struct device_node *np = client->dev.of_node; u32 val32; u64 val64; - if (!np) { - dev_err(&client->dev, "missing device tree data\n"); - return -EINVAL; - } - - if (!of_property_read_u32(np, "ti,max-rt", &val32)) + if (!device_property_read_u32(dev, "ti,max-rt", &val32)) ts->max_rt = val32; else ts->max_rt = MAX_12BIT; - if (!of_property_read_u32(np, "ti,fuzzx", &val32)) + if (!device_property_read_u32(dev, "ti,fuzzx", &val32)) ts->fuzzx = val32; - if (!of_property_read_u32(np, "ti,fuzzy", &val32)) + if (!device_property_read_u32(dev, "ti,fuzzy", &val32)) ts->fuzzy = val32; - if (!of_property_read_u32(np, "ti,fuzzz", &val32)) + if (!device_property_read_u32(dev, "ti,fuzzz", &val32)) ts->fuzzz = val32; - if (!of_property_read_u64(np, "ti,poll-period", &val64)) + if (!device_property_read_u64(dev, "ti,poll-period", &val64)) ts->poll_period = msecs_to_jiffies(val64); else ts->poll_period = msecs_to_jiffies(1); - if (!of_property_read_u32(np, "ti,x-plate-ohms", &val32)) { + if (!device_property_read_u32(dev, "ti,x-plate-ohms", &val32)) { ts->x_plate_ohms = val32; } else { - dev_err(&client->dev, "missing ti,x-plate-ohms devicetree property."); + dev_err(dev, "Missing ti,x-plate-ohms device property\n"); return -EINVAL; } - ts->gpio = of_get_gpio(np, 0); - if (gpio_is_valid(ts->gpio)) + ts->gpiod = devm_gpiod_get_optional(dev, NULL, GPIOD_IN); + if (IS_ERR(ts->gpiod)) + return PTR_ERR(ts->gpiod); + + if (ts->gpiod) ts->get_pendown_state = tsc2007_get_pendown_state_gpio; else - dev_warn(&client->dev, - "GPIO not specified in DT (of_get_gpio returned %d)\n", - ts->gpio); + dev_warn(dev, "Pen down GPIO is not specified in properties\n"); return 0; } -#else -static int tsc2007_probe_dt(struct i2c_client *client, struct tsc2007 *ts) -{ - dev_err(&client->dev, "platform data is required!\n"); - return -EINVAL; -} -#endif -static int tsc2007_probe_pdev(struct i2c_client *client, struct tsc2007 *ts, +static int tsc2007_probe_pdev(struct device *dev, struct tsc2007 *ts, const struct tsc2007_platform_data *pdata, const struct i2c_device_id *id) { @@ -299,7 +287,7 @@ static int tsc2007_probe_pdev(struct i2c_client *client, struct tsc2007 *ts, ts->fuzzz = pdata->fuzzz; if (pdata->x_plate_ohms == 0) { - dev_err(&client->dev, "x_plate_ohms is not set up in platform data"); + dev_err(dev, "x_plate_ohms is not set up in platform data\n"); return -EINVAL; } @@ -332,9 +320,9 @@ static int tsc2007_probe(struct i2c_client *client, return -ENOMEM; if (pdata) - err = tsc2007_probe_pdev(client, ts, pdata, id); + err = tsc2007_probe_pdev(&client->dev, ts, pdata, id); else - err = tsc2007_probe_dt(client, ts); + err = tsc2007_probe_properties(&client->dev, ts); if (err) return err; @@ -431,18 +419,16 @@ static const struct i2c_device_id tsc2007_idtable[] = { MODULE_DEVICE_TABLE(i2c, tsc2007_idtable); -#ifdef CONFIG_OF static const struct of_device_id tsc2007_of_match[] = { { .compatible = "ti,tsc2007" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, tsc2007_of_match); -#endif static struct i2c_driver tsc2007_driver = { .driver = { .name = "tsc2007", - .of_match_table = of_match_ptr(tsc2007_of_match), + .of_match_table = tsc2007_of_match, }, .id_table = tsc2007_idtable, .probe = tsc2007_probe, diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c index 1afc6bde2891..22826c387da5 100644 --- a/drivers/input/touchscreen/wacom_i2c.c +++ b/drivers/input/touchscreen/wacom_i2c.c @@ -145,15 +145,16 @@ static void wacom_i2c_close(struct input_dev *dev) } static int wacom_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) + const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct wacom_i2c *wac_i2c; struct input_dev *input; struct wacom_features features = { 0 }; int error; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - dev_err(&client->dev, "i2c_check_functionality error\n"); + dev_err(dev, "i2c_check_functionality error\n"); return -EIO; } @@ -161,21 +162,22 @@ static int wacom_i2c_probe(struct i2c_client *client, if (error) return error; - wac_i2c = kzalloc(sizeof(*wac_i2c), GFP_KERNEL); - input = input_allocate_device(); - if (!wac_i2c || !input) { - error = -ENOMEM; - goto err_free_mem; - } + wac_i2c = devm_kzalloc(dev, sizeof(*wac_i2c), GFP_KERNEL); + if (!wac_i2c) + return -ENOMEM; wac_i2c->client = client; + + input = devm_input_allocate_device(dev); + if (!input) + return -ENOMEM; + wac_i2c->input = input; input->name = "Wacom I2C Digitizer"; input->id.bustype = BUS_I2C; input->id.vendor = 0x56a; input->id.version = features.fw_version; - input->dev.parent = &client->dev; input->open = wacom_i2c_open; input->close = wacom_i2c_close; @@ -194,13 +196,11 @@ static int wacom_i2c_probe(struct i2c_client *client, input_set_drvdata(input, wac_i2c); - error = request_threaded_irq(client->irq, NULL, wacom_i2c_irq, - IRQF_TRIGGER_LOW | IRQF_ONESHOT, - "wacom_i2c", wac_i2c); + error = devm_request_threaded_irq(dev, client->irq, NULL, wacom_i2c_irq, + IRQF_ONESHOT, "wacom_i2c", wac_i2c); if (error) { - dev_err(&client->dev, - "Failed to enable IRQ, error: %d\n", error); - goto err_free_mem; + dev_err(dev, "Failed to request IRQ: %d\n", error); + return error; } /* Disable the IRQ, we'll enable it in wac_i2c_open() */ @@ -208,31 +208,10 @@ static int wacom_i2c_probe(struct i2c_client *client, error = input_register_device(wac_i2c->input); if (error) { - dev_err(&client->dev, - "Failed to register input device, error: %d\n", error); - goto err_free_irq; + dev_err(dev, "Failed to register input device: %d\n", error); + return error; } - i2c_set_clientdata(client, wac_i2c); - return 0; - -err_free_irq: - free_irq(client->irq, wac_i2c); -err_free_mem: - input_free_device(input); - kfree(wac_i2c); - - return error; -} - -static int wacom_i2c_remove(struct i2c_client *client) -{ - struct wacom_i2c *wac_i2c = i2c_get_clientdata(client); - - free_irq(client->irq, wac_i2c); - input_unregister_device(wac_i2c->input); - kfree(wac_i2c); - return 0; } @@ -269,7 +248,6 @@ static struct i2c_driver wacom_i2c_driver = { }, .probe = wacom_i2c_probe, - .remove = wacom_i2c_remove, .id_table = wacom_i2c_id, }; module_i2c_driver(wacom_i2c_driver); diff --git a/drivers/input/touchscreen/wm831x-ts.c b/drivers/input/touchscreen/wm831x-ts.c index bb1699e0d3c7..319f57fb9af5 100644 --- a/drivers/input/touchscreen/wm831x-ts.c +++ b/drivers/input/touchscreen/wm831x-ts.c @@ -317,14 +317,13 @@ static int wm831x_ts_probe(struct platform_device *pdev) error = request_threaded_irq(wm831x_ts->data_irq, NULL, wm831x_ts_data_irq, - irqf | IRQF_ONESHOT, + irqf | IRQF_ONESHOT | IRQF_NO_AUTOEN, "Touchscreen data", wm831x_ts); if (error) { dev_err(&pdev->dev, "Failed to request data IRQ %d: %d\n", wm831x_ts->data_irq, error); goto err_alloc; } - disable_irq(wm831x_ts->data_irq); if (pdata && pdata->pd_irqf) irqf = pdata->pd_irqf; diff --git a/drivers/input/touchscreen/zinitix.c b/drivers/input/touchscreen/zinitix.c index 3b636beb583c..b8d901099378 100644 --- a/drivers/input/touchscreen/zinitix.c +++ b/drivers/input/touchscreen/zinitix.c @@ -513,10 +513,10 @@ static int zinitix_ts_probe(struct i2c_client *client) return -EINVAL; } - irq_set_status_flags(client->irq, IRQ_NOAUTOEN); error = devm_request_threaded_irq(&client->dev, client->irq, NULL, zinitix_ts_irq_handler, - IRQF_ONESHOT, client->name, bt541); + IRQF_ONESHOT | IRQF_NO_AUTOEN, + client->name, bt541); if (error) { dev_err(&client->dev, "Failed to request IRQ: %d\n", error); return error; diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c index b5ed4ea145cb..77e951206809 100644 --- a/drivers/isdn/capi/kcapi_proc.c +++ b/drivers/isdn/capi/kcapi_proc.c @@ -201,6 +201,7 @@ static ssize_t empty_read(struct file *file, char __user *buf, static const struct proc_ops empty_proc_ops = { .proc_read = empty_read, + .proc_lseek = default_llseek, }; // --------------------------------------------------------------------------- diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 2b6d6e9cd680..bea8c4429ae8 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -16,6 +16,7 @@ #include "features.h" #include <linux/blkdev.h> +#include <linux/pagemap.h> #include <linux/debugfs.h> #include <linux/genhd.h> #include <linux/idr.h> diff --git a/drivers/media/usb/pwc/pwc-uncompress.c b/drivers/media/usb/pwc/pwc-uncompress.c index abfc88391036..68bc3829c6b3 100644 --- a/drivers/media/usb/pwc/pwc-uncompress.c +++ b/drivers/media/usb/pwc/pwc-uncompress.c @@ -9,9 +9,6 @@ Please send bug reports and support requests to <[email protected]>. The decompression routines have been implemented by reverse-engineering the Nemosoft binary pwcx module. Caveat emptor. - - - vim: set ts=8: */ #include <asm/current.h> diff --git a/drivers/memory/.gitignore b/drivers/memory/.gitignore index caedc4c7d2db..5e84bee05ef8 100644 --- a/drivers/memory/.gitignore +++ b/drivers/memory/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -ti-emif-asm-offsets.h +/ti-emif-asm-offsets.h diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 34073cd077e4..3cf6de21d19c 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1562,6 +1562,8 @@ static netdev_tx_t m_can_tx_handler(struct m_can_classdev *cdev) int i; int putidx; + cdev->tx_skb = NULL; + /* Generate ID field for TX buffer Element */ /* Common to all supported M_CAN versions */ if (cf->can_id & CAN_EFF_FLAG) { @@ -1678,7 +1680,6 @@ static void m_can_tx_work_queue(struct work_struct *ws) tx_work); m_can_tx_handler(cdev); - cdev->tx_skb = NULL; } static netdev_tx_t m_can_start_xmit(struct sk_buff *skb, diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 492f1bcb0516..173c6614086f 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -956,8 +956,6 @@ static int mcp251x_stop(struct net_device *net) priv->force_quit = 1; free_irq(spi->irq, priv); - destroy_workqueue(priv->wq); - priv->wq = NULL; mutex_lock(&priv->mcp_lock); @@ -1224,24 +1222,15 @@ static int mcp251x_open(struct net_device *net) goto out_close; } - priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, - 0); - if (!priv->wq) { - ret = -ENOMEM; - goto out_clean; - } - INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler); - INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler); - ret = mcp251x_hw_wake(spi); if (ret) - goto out_free_wq; + goto out_free_irq; ret = mcp251x_setup(net, spi); if (ret) - goto out_free_wq; + goto out_free_irq; ret = mcp251x_set_normal_mode(spi); if (ret) - goto out_free_wq; + goto out_free_irq; can_led_event(net, CAN_LED_EVENT_OPEN); @@ -1250,9 +1239,7 @@ static int mcp251x_open(struct net_device *net) return 0; -out_free_wq: - destroy_workqueue(priv->wq); -out_clean: +out_free_irq: free_irq(spi->irq, priv); mcp251x_hw_sleep(spi); out_close: @@ -1373,6 +1360,15 @@ static int mcp251x_can_probe(struct spi_device *spi) if (ret) goto out_clk; + priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, + 0); + if (!priv->wq) { + ret = -ENOMEM; + goto out_clk; + } + INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler); + INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler); + priv->spi = spi; mutex_init(&priv->mcp_lock); @@ -1417,6 +1413,8 @@ static int mcp251x_can_probe(struct spi_device *spi) return 0; error_probe: + destroy_workqueue(priv->wq); + priv->wq = NULL; mcp251x_power_enable(priv->power, 0); out_clk: @@ -1438,6 +1436,9 @@ static int mcp251x_can_remove(struct spi_device *spi) mcp251x_power_enable(priv->power, 0); + destroy_workqueue(priv->wq); + priv->wq = NULL; + clk_disable_unprepare(priv->clk); free_candev(net); diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c index 970dc570e7a5..e0ae00e34c7b 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c @@ -2885,8 +2885,8 @@ static int mcp251xfd_probe(struct spi_device *spi) clk = devm_clk_get(&spi->dev, NULL); if (IS_ERR(clk)) - dev_err_probe(&spi->dev, PTR_ERR(clk), - "Failed to get Oscillator (clock)!\n"); + return dev_err_probe(&spi->dev, PTR_ERR(clk), + "Failed to get Oscillator (clock)!\n"); freq = clk_get_rate(clk); /* Sanity check */ @@ -2986,10 +2986,12 @@ static int mcp251xfd_probe(struct spi_device *spi) err = mcp251xfd_register(priv); if (err) - goto out_free_candev; + goto out_can_rx_offload_del; return 0; + out_can_rx_offload_del: + can_rx_offload_del(&priv->offload); out_free_candev: spi->max_speed_hz = priv->spi_max_speed_hz_orig; diff --git a/drivers/net/dsa/microchip/ksz8795_spi.c b/drivers/net/dsa/microchip/ksz8795_spi.c index 85ba12aa82d8..ea7550d1b634 100644 --- a/drivers/net/dsa/microchip/ksz8795_spi.c +++ b/drivers/net/dsa/microchip/ksz8795_spi.c @@ -41,6 +41,9 @@ static int ksz8795_spi_probe(struct spi_device *spi) int i, ret = 0; ksz8 = devm_kzalloc(&spi->dev, sizeof(struct ksz8), GFP_KERNEL); + if (!ksz8) + return -ENOMEM; + ksz8->priv = spi; dev = ksz_switch_alloc(&spi->dev, ksz8); diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 30d97ea7a949..11293485138c 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -147,11 +147,14 @@ static int ksz8863_smi_probe(struct mdio_device *mdiodev) int i; ksz8 = devm_kzalloc(&mdiodev->dev, sizeof(struct ksz8), GFP_KERNEL); + if (!ksz8) + return -ENOMEM; + ksz8->priv = mdiodev; dev = ksz_switch_alloc(&mdiodev->dev, ksz8); if (!dev) - return -EINVAL; + return -ENOMEM; for (i = 0; i < ARRAY_SIZE(ksz8863_regmap_config); i++) { rc = ksz8863_regmap_config[i]; diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c index 555299737b51..7965e5e3c985 100644 --- a/drivers/net/ethernet/adaptec/starfire.c +++ b/drivers/net/ethernet/adaptec/starfire.c @@ -2070,11 +2070,3 @@ static void __exit starfire_cleanup (void) module_init(starfire_init); module_exit(starfire_cleanup); - - -/* - * Local variables: - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/drivers/net/ethernet/amd/atarilance.c b/drivers/net/ethernet/amd/atarilance.c index 961796abab35..c1eab916438f 100644 --- a/drivers/net/ethernet/amd/atarilance.c +++ b/drivers/net/ethernet/amd/atarilance.c @@ -1156,11 +1156,3 @@ static void __exit atarilance_module_exit(void) module_init(atarilance_module_init); module_exit(atarilance_module_exit); #endif /* MODULE */ - - -/* - * Local variables: - * c-indent-level: 4 - * tab-width: 4 - * End: - */ diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index aa412506832d..4100ab07e6b7 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -3029,10 +3029,3 @@ static void __exit pcnet32_cleanup_module(void) module_init(pcnet32_init_module); module_exit(pcnet32_cleanup_module); - -/* - * Local variables: - * c-indent-level: 4 - * tab-width: 8 - * End: - */ diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 9e02f8864593..b3d74332ed33 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -2016,7 +2016,7 @@ static struct pci_driver alx_driver = { module_pci_driver(alx_driver); MODULE_DEVICE_TABLE(pci, alx_pci_tbl); MODULE_AUTHOR("Johannes Berg <[email protected]>"); -MODULE_AUTHOR("Qualcomm Corporation, <[email protected]>"); +MODULE_AUTHOR("Qualcomm Corporation"); MODULE_DESCRIPTION( "Qualcomm Atheros(R) AR816x/AR817x PCI-E Ethernet Network Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 1d17c24e6d75..c6263cf8d3c0 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -32,7 +32,7 @@ static const struct pci_device_id atl1c_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, atl1c_pci_tbl); MODULE_AUTHOR("Jie Yang"); -MODULE_AUTHOR("Qualcomm Atheros Inc., <[email protected]>"); +MODULE_AUTHOR("Qualcomm Atheros Inc."); MODULE_DESCRIPTION("Qualcomm Atheros 100/1000M Ethernet Network Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 9c2f51f23035..d21f085044cd 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1192,7 +1192,6 @@ int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, return 0; } - err = -EIO; /* verify ari is enabled */ if (!pci_ari_enabled(bp->pdev->bus)) { BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n"); diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 7e4e831d720f..ba47777d9cff 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -1764,7 +1764,7 @@ bnad_dim_timeout(struct timer_list *t) } } - /* Check for BNAD_CF_DIM_ENABLED, does not eleminate a race */ + /* Check for BNAD_CF_DIM_ENABLED, does not eliminate a race */ if (test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags)) mod_timer(&bnad->dim_timer, jiffies + msecs_to_jiffies(BNAD_DIM_TIMER_FREQ)); diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 0e94db9cd45d..6bc7d41d519b 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -4852,7 +4852,7 @@ static int __maybe_unused macb_suspend(struct device *dev) { struct net_device *netdev = dev_get_drvdata(dev); struct macb *bp = netdev_priv(netdev); - struct macb_queue *queue = bp->queues; + struct macb_queue *queue; unsigned long flags; unsigned int q; int err; @@ -4939,7 +4939,7 @@ static int __maybe_unused macb_resume(struct device *dev) { struct net_device *netdev = dev_get_drvdata(dev); struct macb *bp = netdev_priv(netdev); - struct macb_queue *queue = bp->queues; + struct macb_queue *queue; unsigned long flags; unsigned int q; int err; diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 256fae15e032..1e5f2edb70cf 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2563,12 +2563,12 @@ int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc) spin_lock_bh(&eosw_txq->lock); if (tc != FW_SCHED_CLS_NONE) { if (eosw_txq->state != CXGB4_EO_STATE_CLOSED) - goto out_unlock; + goto out_free_skb; next_state = CXGB4_EO_STATE_FLOWC_OPEN_SEND; } else { if (eosw_txq->state != CXGB4_EO_STATE_ACTIVE) - goto out_unlock; + goto out_free_skb; next_state = CXGB4_EO_STATE_FLOWC_CLOSE_SEND; } @@ -2604,17 +2604,19 @@ int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc) eosw_txq_flush_pending_skbs(eosw_txq); ret = eosw_txq_enqueue(eosw_txq, skb); - if (ret) { - dev_consume_skb_any(skb); - goto out_unlock; - } + if (ret) + goto out_free_skb; eosw_txq->state = next_state; eosw_txq->flowc_idx = eosw_txq->pidx; eosw_txq_advance(eosw_txq, 1); ethofld_xmit(dev, eosw_txq); -out_unlock: + spin_unlock_bh(&eosw_txq->lock); + return 0; + +out_free_skb: + dev_consume_skb_any(skb); spin_unlock_bh(&eosw_txq->lock); return ret; } diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index f48957a17c3a..d0a8f7106958 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -768,7 +768,7 @@ static inline int enic_queue_wq_skb_encap(struct enic *enic, struct vnic_wq *wq, return err; } -static inline void enic_queue_wq_skb(struct enic *enic, +static inline int enic_queue_wq_skb(struct enic *enic, struct vnic_wq *wq, struct sk_buff *skb) { unsigned int mss = skb_shinfo(skb)->gso_size; @@ -814,6 +814,7 @@ static inline void enic_queue_wq_skb(struct enic *enic, wq->to_use = buf->next; dev_kfree_skb(skb); } + return err; } /* netif_tx_lock held, process context with BHs disabled, or BH */ @@ -857,7 +858,8 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, return NETDEV_TX_BUSY; } - enic_queue_wq_skb(enic, wq, skb); + if (enic_queue_wq_skb(enic, wq, skb)) + goto error; if (vnic_wq_desc_avail(wq) < MAX_SKB_FRAGS + ENIC_DESC_MAX_SPLITS) netif_tx_stop_queue(txq); @@ -865,6 +867,7 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, if (!netdev_xmit_more() || netif_xmit_stopped(txq)) vnic_wq_doorbell(wq); +error: spin_unlock(&enic->wq_lock[txq_map]); return NETDEV_TX_OK; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index c21dd11baed9..783fdaf8f8d6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -575,8 +575,8 @@ static int hns3_nic_net_stop(struct net_device *netdev) if (h->ae_algo->ops->set_timer_task) h->ae_algo->ops->set_timer_task(priv->ae_handle, false); - netif_tx_stop_all_queues(netdev); netif_carrier_off(netdev); + netif_tx_disable(netdev); hns3_nic_net_down(netdev); @@ -824,7 +824,7 @@ static int hns3_get_l4_protocol(struct sk_buff *skb, u8 *ol4_proto, * and it is udp packet, which has a dest port as the IANA assigned. * the hardware is expected to do the checksum offload, but the * hardware will not do the checksum offload when udp dest port is - * 4789 or 6081. + * 4789, 4790 or 6081. */ static bool hns3_tunnel_csum_bug(struct sk_buff *skb) { @@ -842,7 +842,8 @@ static bool hns3_tunnel_csum_bug(struct sk_buff *skb) if (!(!skb->encapsulation && (l4.udp->dest == htons(IANA_VXLAN_UDP_PORT) || - l4.udp->dest == htons(GENEVE_UDP_PORT)))) + l4.udp->dest == htons(GENEVE_UDP_PORT) || + l4.udp->dest == htons(4790)))) return false; skb_checksum_help(skb); @@ -4616,6 +4617,11 @@ static int hns3_reset_notify_up_enet(struct hnae3_handle *handle) struct hns3_nic_priv *priv = netdev_priv(kinfo->netdev); int ret = 0; + if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state)) { + netdev_err(kinfo->netdev, "device is not initialized yet\n"); + return -EFAULT; + } + clear_bit(HNS3_NIC_STATE_RESETTING, &priv->state); if (netif_running(kinfo->netdev)) { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c index d25291916b31..8223d699cd94 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c @@ -753,8 +753,9 @@ static int hclge_config_igu_egu_hw_err_int(struct hclge_dev *hdev, bool en) /* configure IGU,EGU error interrupts */ hclge_cmd_setup_basic_desc(&desc, HCLGE_IGU_COMMON_INT_EN, false); + desc.data[0] = cpu_to_le32(HCLGE_IGU_ERR_INT_TYPE); if (en) - desc.data[0] = cpu_to_le32(HCLGE_IGU_ERR_INT_EN); + desc.data[0] |= cpu_to_le32(HCLGE_IGU_ERR_INT_EN); desc.data[1] = cpu_to_le32(HCLGE_IGU_ERR_INT_EN_MASK); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h index 608fe26fc3fe..d647f3c84134 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h @@ -32,7 +32,8 @@ #define HCLGE_TQP_ECC_ERR_INT_EN_MASK 0x0FFF #define HCLGE_MSIX_SRAM_ECC_ERR_INT_EN_MASK 0x0F000000 #define HCLGE_MSIX_SRAM_ECC_ERR_INT_EN 0x0F000000 -#define HCLGE_IGU_ERR_INT_EN 0x0000066F +#define HCLGE_IGU_ERR_INT_EN 0x0000000F +#define HCLGE_IGU_ERR_INT_TYPE 0x00000660 #define HCLGE_IGU_ERR_INT_EN_MASK 0x000F #define HCLGE_IGU_TNL_ERR_INT_EN 0x0002AABF #define HCLGE_IGU_TNL_ERR_INT_EN_MASK 0x003F diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index c296ab64fb0a..6304aed49f22 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -3978,6 +3978,12 @@ static void hclge_update_reset_level(struct hclge_dev *hdev) struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); enum hnae3_reset_type reset_level; + /* reset request will not be set during reset, so clear + * pending reset request to avoid unnecessary reset + * caused by the same reason. + */ + hclge_get_reset_level(ae_dev, &hdev->reset_request); + /* if default_reset_request has a higher level reset request, * it should be handled as soon as possible. since some errors * need this kind of reset to fix. diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 5512ffe0a149..8e5f9dc8791d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -533,7 +533,7 @@ static void hclge_get_link_mode(struct hclge_vport *vport, unsigned long advertising; unsigned long supported; unsigned long send_data; - u8 msg_data[10]; + u8 msg_data[10] = {}; u8 dest_vfid; advertising = hdev->hw.mac.advertising[0]; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c index 08e88d9422cd..1231c34f0949 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c @@ -255,6 +255,8 @@ void hclge_mac_start_phy(struct hclge_dev *hdev) if (!phydev) return; + phy_loopback(phydev, false); + phy_start(phydev); } diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 9067cd3ce243..85d3dd3a3339 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -1144,7 +1144,6 @@ static inline bool i40e_is_sw_dcb(struct i40e_pf *pf) return !!(pf->flags & I40E_FLAG_DISABLE_FW_LLDP); } -void i40e_set_lldp_forwarding(struct i40e_pf *pf, bool enable); #ifdef CONFIG_I40E_DCB void i40e_dcbnl_flush_apps(struct i40e_pf *pf, struct i40e_dcbx_config *old_cfg, diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h index ce626eace692..140b677f114d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h @@ -1566,8 +1566,10 @@ enum i40e_aq_phy_type { I40E_PHY_TYPE_25GBASE_LR = 0x22, I40E_PHY_TYPE_25GBASE_AOC = 0x23, I40E_PHY_TYPE_25GBASE_ACC = 0x24, - I40E_PHY_TYPE_2_5GBASE_T = 0x30, - I40E_PHY_TYPE_5GBASE_T = 0x31, + I40E_PHY_TYPE_2_5GBASE_T = 0x26, + I40E_PHY_TYPE_5GBASE_T = 0x27, + I40E_PHY_TYPE_2_5GBASE_T_LINK_STATUS = 0x30, + I40E_PHY_TYPE_5GBASE_T_LINK_STATUS = 0x31, I40E_PHY_TYPE_MAX, I40E_PHY_TYPE_NOT_SUPPORTED_HIGH_TEMP = 0xFD, I40E_PHY_TYPE_EMPTY = 0xFE, diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c index a2dba32383f6..32f3facbed1a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_client.c +++ b/drivers/net/ethernet/intel/i40e/i40e_client.c @@ -375,6 +375,7 @@ void i40e_client_subtask(struct i40e_pf *pf) clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state); i40e_client_del_instance(pf); + return; } } } diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index 41b813fe07a5..67cb0b47416a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -1154,8 +1154,8 @@ static enum i40e_media_type i40e_get_media_type(struct i40e_hw *hw) break; case I40E_PHY_TYPE_100BASE_TX: case I40E_PHY_TYPE_1000BASE_T: - case I40E_PHY_TYPE_2_5GBASE_T: - case I40E_PHY_TYPE_5GBASE_T: + case I40E_PHY_TYPE_2_5GBASE_T_LINK_STATUS: + case I40E_PHY_TYPE_5GBASE_T_LINK_STATUS: case I40E_PHY_TYPE_10GBASE_T: media = I40E_MEDIA_TYPE_BASET; break; diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 040a01400b85..ccd5b9486ea9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -841,8 +841,8 @@ static void i40e_get_settings_link_up(struct i40e_hw *hw, 10000baseT_Full); break; case I40E_PHY_TYPE_10GBASE_T: - case I40E_PHY_TYPE_5GBASE_T: - case I40E_PHY_TYPE_2_5GBASE_T: + case I40E_PHY_TYPE_5GBASE_T_LINK_STATUS: + case I40E_PHY_TYPE_2_5GBASE_T_LINK_STATUS: case I40E_PHY_TYPE_1000BASE_T: case I40E_PHY_TYPE_100BASE_TX: ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); @@ -1409,7 +1409,8 @@ static int i40e_set_fec_cfg(struct net_device *netdev, u8 fec_cfg) memset(&config, 0, sizeof(config)); config.phy_type = abilities.phy_type; - config.abilities = abilities.abilities; + config.abilities = abilities.abilities | + I40E_AQ_PHY_ENABLE_ATOMIC_LINK; config.phy_type_ext = abilities.phy_type_ext; config.link_speed = abilities.link_speed; config.eee_capability = abilities.eee_capability; @@ -5281,7 +5282,6 @@ flags_complete: i40e_aq_cfg_lldp_mib_change_event(&pf->hw, false, NULL); i40e_aq_stop_lldp(&pf->hw, true, false, NULL); } else { - i40e_set_lldp_forwarding(pf, false); status = i40e_aq_start_lldp(&pf->hw, false, NULL); if (status) { adq_err = pf->hw.aq.asq_last_status; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index c2d145a56b5e..704e474879c5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6880,40 +6880,6 @@ out: #endif /* CONFIG_I40E_DCB */ /** - * i40e_set_lldp_forwarding - set forwarding of lldp frames - * @pf: PF being configured - * @enable: if forwarding to OS shall be enabled - * - * Toggle forwarding of lldp frames behavior, - * When passing DCB control from firmware to software - * lldp frames must be forwarded to the software based - * lldp agent. - */ -void i40e_set_lldp_forwarding(struct i40e_pf *pf, bool enable) -{ - if (pf->lan_vsi == I40E_NO_VSI) - return; - - if (!pf->vsi[pf->lan_vsi]) - return; - - /* No need to check the outcome, commands may fail - * if desired value is already set - */ - i40e_aq_add_rem_control_packet_filter(&pf->hw, NULL, ETH_P_LLDP, - I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TX | - I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC, - pf->vsi[pf->lan_vsi]->seid, 0, - enable, NULL, NULL); - - i40e_aq_add_rem_control_packet_filter(&pf->hw, NULL, ETH_P_LLDP, - I40E_AQC_ADD_CONTROL_PACKET_FLAGS_RX | - I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC, - pf->vsi[pf->lan_vsi]->seid, 0, - enable, NULL, NULL); -} - -/** * i40e_print_link_message - print link up or down * @vsi: the VSI for which link needs a message * @isup: true of link is up, false otherwise @@ -10736,10 +10702,6 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) */ i40e_add_filter_to_drop_tx_flow_control_frames(&pf->hw, pf->main_vsi_seid); -#ifdef CONFIG_I40E_DCB - if (pf->flags & I40E_FLAG_DISABLE_FW_LLDP) - i40e_set_lldp_forwarding(pf, true); -#endif /* CONFIG_I40E_DCB */ /* restart the VSIs that were rebuilt and running before the reset */ i40e_pf_unquiesce_all_vsi(pf); @@ -15772,10 +15734,6 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) */ i40e_add_filter_to_drop_tx_flow_control_frames(&pf->hw, pf->main_vsi_seid); -#ifdef CONFIG_I40E_DCB - if (pf->flags & I40E_FLAG_DISABLE_FW_LLDP) - i40e_set_lldp_forwarding(pf, true); -#endif /* CONFIG_I40E_DCB */ if ((pf->hw.device_id == I40E_DEV_ID_10G_BASE_T) || (pf->hw.device_id == I40E_DEV_ID_10G_BASE_T4)) diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 121cd99fdeff..de70c16ef619 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1961,10 +1961,6 @@ static bool i40e_cleanup_headers(struct i40e_ring *rx_ring, struct sk_buff *skb, union i40e_rx_desc *rx_desc) { - /* XDP packets use error pointer so abort at this point */ - if (IS_ERR(skb)) - return true; - /* ERR_MASK will only have valid bits if EOP set, and * what we are doing here is actually checking * I40E_RX_DESC_ERROR_RXE_SHIFT, since it is the zeroth bit in @@ -2534,7 +2530,7 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) } /* exit if we failed to retrieve a buffer */ - if (!skb) { + if (!xdp_res && !skb) { rx_ring->rx_stats.alloc_buff_failed++; rx_buffer->pagecnt_bias++; break; @@ -2547,7 +2543,7 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) if (i40e_is_non_eop(rx_ring, rx_desc)) continue; - if (i40e_cleanup_headers(rx_ring, skb, rx_desc)) { + if (xdp_res || i40e_cleanup_headers(rx_ring, skb, rx_desc)) { skb = NULL; continue; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h index 5c10faaca790..c81109a63e90 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_type.h +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h @@ -239,11 +239,8 @@ struct i40e_phy_info { #define I40E_CAP_PHY_TYPE_25GBASE_ACC BIT_ULL(I40E_PHY_TYPE_25GBASE_ACC + \ I40E_PHY_TYPE_OFFSET) /* Offset for 2.5G/5G PHY Types value to bit number conversion */ -#define I40E_PHY_TYPE_OFFSET2 (-10) -#define I40E_CAP_PHY_TYPE_2_5GBASE_T BIT_ULL(I40E_PHY_TYPE_2_5GBASE_T + \ - I40E_PHY_TYPE_OFFSET2) -#define I40E_CAP_PHY_TYPE_5GBASE_T BIT_ULL(I40E_PHY_TYPE_5GBASE_T + \ - I40E_PHY_TYPE_OFFSET2) +#define I40E_CAP_PHY_TYPE_2_5GBASE_T BIT_ULL(I40E_PHY_TYPE_2_5GBASE_T) +#define I40E_CAP_PHY_TYPE_5GBASE_T BIT_ULL(I40E_PHY_TYPE_5GBASE_T) #define I40E_HW_CAP_MAX_GPIO 30 /* Capabilities of a PF or a VF or the whole device */ struct i40e_hw_capabilities { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c index 7846a21555ef..1f6bc0c7e91d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c @@ -535,6 +535,16 @@ mlxsw_sp_mr_route_evif_resolve(struct mlxsw_sp_mr_table *mr_table, u16 erif_index = 0; int err; + /* Add the eRIF */ + if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) { + erif_index = mlxsw_sp_rif_index(rve->mr_vif->rif); + err = mr->mr_ops->route_erif_add(mlxsw_sp, + rve->mr_route->route_priv, + erif_index); + if (err) + return err; + } + /* Update the route action, as the new eVIF can be a tunnel or a pimreg * device which will require updating the action. */ @@ -544,17 +554,7 @@ mlxsw_sp_mr_route_evif_resolve(struct mlxsw_sp_mr_table *mr_table, rve->mr_route->route_priv, route_action); if (err) - return err; - } - - /* Add the eRIF */ - if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) { - erif_index = mlxsw_sp_rif_index(rve->mr_vif->rif); - err = mr->mr_ops->route_erif_add(mlxsw_sp, - rve->mr_route->route_priv, - erif_index); - if (err) - goto err_route_erif_add; + goto err_route_action_update; } /* Update the minimum MTU */ @@ -572,14 +572,14 @@ mlxsw_sp_mr_route_evif_resolve(struct mlxsw_sp_mr_table *mr_table, return 0; err_route_min_mtu_update: - if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) - mr->mr_ops->route_erif_del(mlxsw_sp, rve->mr_route->route_priv, - erif_index); -err_route_erif_add: if (route_action != rve->mr_route->route_action) mr->mr_ops->route_action_update(mlxsw_sp, rve->mr_route->route_priv, rve->mr_route->route_action); +err_route_action_update: + if (mlxsw_sp_mr_vif_valid(rve->mr_vif)) + mr->mr_ops->route_erif_del(mlxsw_sp, rve->mr_route->route_priv, + erif_index); return err; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 95864f014ffa..f35c03c9f91e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -642,6 +642,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, value &= ~GMAC_PACKET_FILTER_PCF; value &= ~GMAC_PACKET_FILTER_PM; value &= ~GMAC_PACKET_FILTER_PR; + value &= ~GMAC_PACKET_FILTER_RA; if (dev->flags & IFF_PROMISC) { /* VLAN Tag Filter Fail Packets Queuing */ if (hw->vlan_fail_q_en) { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index a602d16b9e53..5be8e6a631d9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -232,7 +232,7 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode, u32 channel, int fifosz, u8 qmode) { unsigned int rqs = fifosz / 256 - 1; - u32 mtl_rx_op, mtl_rx_int; + u32 mtl_rx_op; mtl_rx_op = readl(ioaddr + MTL_CHAN_RX_OP_MODE(channel)); @@ -293,11 +293,6 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode, } writel(mtl_rx_op, ioaddr + MTL_CHAN_RX_OP_MODE(channel)); - - /* Enable MTL RX overflow */ - mtl_rx_int = readl(ioaddr + MTL_CHAN_INT_CTRL(channel)); - writel(mtl_rx_int | MTL_RX_OVERFLOW_INT_EN, - ioaddr + MTL_CHAN_INT_CTRL(channel)); } static void dwmac4_dma_tx_chan_op_mode(void __iomem *ioaddr, int mode, diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 2cc91759b91f..6d5e0f2b03ce 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -564,7 +564,6 @@ struct stmmac_mode_ops { #define stmmac_clean_desc3(__priv, __args...) \ stmmac_do_void_callback(__priv, mode, clean_desc3, __args) -struct stmmac_priv; struct tc_cls_u32_offload; struct tc_cbs_qopt_offload; struct flow_cls_offload; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index a9a984c57d78..345b4c6d1fd4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3180,6 +3180,7 @@ static int stmmac_fpe_start_wq(struct stmmac_priv *priv) char *name; clear_bit(__FPE_TASK_SCHED, &priv->fpe_task_state); + clear_bit(__FPE_REMOVING, &priv->fpe_task_state); name = priv->wq_name; sprintf(name, "%s-fpe", priv->dev->name); @@ -5586,7 +5587,6 @@ static void stmmac_common_interrupt(struct stmmac_priv *priv) /* To handle GMAC own interrupts */ if ((priv->plat->has_gmac) || xmac) { int status = stmmac_host_irq_status(priv, priv->hw, &priv->xstats); - int mtl_status; if (unlikely(status)) { /* For LPI we need to save the tx status */ @@ -5597,17 +5597,8 @@ static void stmmac_common_interrupt(struct stmmac_priv *priv) } for (queue = 0; queue < queues_count; queue++) { - struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue]; - - mtl_status = stmmac_host_mtl_irq_status(priv, priv->hw, - queue); - if (mtl_status != -EINVAL) - status |= mtl_status; - - if (status & CORE_IRQ_MTL_RX_OVERFLOW) - stmmac_set_rx_tail_ptr(priv, priv->ioaddr, - rx_q->rx_tail_addr, - queue); + status = stmmac_host_mtl_irq_status(priv, priv->hw, + queue); } /* PCS link status */ diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c index 9f06663cef26..e374079603cf 100644 --- a/drivers/net/ipa/gsi.c +++ b/drivers/net/ipa/gsi.c @@ -211,8 +211,8 @@ static void gsi_irq_setup(struct gsi *gsi) iowrite32(0, gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET); /* The inter-EE registers are in the non-adjusted address range */ - iowrite32(0, gsi->virt_raw + GSI_INTER_EE_SRC_CH_IRQ_OFFSET); - iowrite32(0, gsi->virt_raw + GSI_INTER_EE_SRC_EV_CH_IRQ_OFFSET); + iowrite32(0, gsi->virt_raw + GSI_INTER_EE_SRC_CH_IRQ_MSK_OFFSET); + iowrite32(0, gsi->virt_raw + GSI_INTER_EE_SRC_EV_CH_IRQ_MSK_OFFSET); iowrite32(0, gsi->virt + GSI_CNTXT_GSI_IRQ_EN_OFFSET); } diff --git a/drivers/net/ipa/gsi_reg.h b/drivers/net/ipa/gsi_reg.h index b4ac0258d6e1..cb42c5ae86fa 100644 --- a/drivers/net/ipa/gsi_reg.h +++ b/drivers/net/ipa/gsi_reg.h @@ -53,15 +53,15 @@ #define GSI_EE_REG_ADJUST 0x0000d000 /* IPA v4.5+ */ /* The two inter-EE IRQ register offsets are relative to gsi->virt_raw */ -#define GSI_INTER_EE_SRC_CH_IRQ_OFFSET \ - GSI_INTER_EE_N_SRC_CH_IRQ_OFFSET(GSI_EE_AP) -#define GSI_INTER_EE_N_SRC_CH_IRQ_OFFSET(ee) \ - (0x0000c018 + 0x1000 * (ee)) - -#define GSI_INTER_EE_SRC_EV_CH_IRQ_OFFSET \ - GSI_INTER_EE_N_SRC_EV_CH_IRQ_OFFSET(GSI_EE_AP) -#define GSI_INTER_EE_N_SRC_EV_CH_IRQ_OFFSET(ee) \ - (0x0000c01c + 0x1000 * (ee)) +#define GSI_INTER_EE_SRC_CH_IRQ_MSK_OFFSET \ + GSI_INTER_EE_N_SRC_CH_IRQ_MSK_OFFSET(GSI_EE_AP) +#define GSI_INTER_EE_N_SRC_CH_IRQ_MSK_OFFSET(ee) \ + (0x0000c020 + 0x1000 * (ee)) + +#define GSI_INTER_EE_SRC_EV_CH_IRQ_MSK_OFFSET \ + GSI_INTER_EE_N_SRC_EV_CH_IRQ_MSK_OFFSET(GSI_EE_AP) +#define GSI_INTER_EE_N_SRC_EV_CH_IRQ_MSK_OFFSET(ee) \ + (0x0000c024 + 0x1000 * (ee)) /* All other register offsets are relative to gsi->virt */ diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 0b2cccb0d865..e6721c1c26c2 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1088,6 +1088,38 @@ static int m88e1011_set_tunable(struct phy_device *phydev, } } +static int m88e1112_config_init(struct phy_device *phydev) +{ + int err; + + err = m88e1011_set_downshift(phydev, 3); + if (err < 0) + return err; + + return m88e1111_config_init(phydev); +} + +static int m88e1111gbe_config_init(struct phy_device *phydev) +{ + int err; + + err = m88e1111_set_downshift(phydev, 3); + if (err < 0) + return err; + + return m88e1111_config_init(phydev); +} + +static int marvell_1011gbe_config_init(struct phy_device *phydev) +{ + int err; + + err = m88e1011_set_downshift(phydev, 3); + if (err < 0) + return err; + + return marvell_config_init(phydev); +} static int m88e1116r_config_init(struct phy_device *phydev) { int err; @@ -1168,6 +1200,9 @@ static int m88e1510_config_init(struct phy_device *phydev) if (err < 0) return err; } + err = m88e1011_set_downshift(phydev, 3); + if (err < 0) + return err; return m88e1318_config_init(phydev); } @@ -1320,6 +1355,9 @@ static int m88e1145_config_init(struct phy_device *phydev) if (err < 0) return err; } + err = m88e1111_set_downshift(phydev, 3); + if (err < 0) + return err; err = marvell_of_reg_init(phydev); if (err < 0) @@ -2698,7 +2736,7 @@ static struct phy_driver marvell_drivers[] = { .name = "Marvell 88E1112", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, - .config_init = m88e1111_config_init, + .config_init = m88e1112_config_init, .config_aneg = marvell_config_aneg, .config_intr = marvell_config_intr, .handle_interrupt = marvell_handle_interrupt, @@ -2718,7 +2756,7 @@ static struct phy_driver marvell_drivers[] = { .name = "Marvell 88E1111", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, - .config_init = m88e1111_config_init, + .config_init = m88e1111gbe_config_init, .config_aneg = m88e1111_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -2739,7 +2777,7 @@ static struct phy_driver marvell_drivers[] = { .name = "Marvell 88E1111 (Finisar)", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, - .config_init = m88e1111_config_init, + .config_init = m88e1111gbe_config_init, .config_aneg = m88e1111_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -2779,7 +2817,7 @@ static struct phy_driver marvell_drivers[] = { .driver_data = DEF_MARVELL_HWMON_OPS(m88e1121_hwmon_ops), /* PHY_GBIT_FEATURES */ .probe = marvell_probe, - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e1121_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -2859,7 +2897,7 @@ static struct phy_driver marvell_drivers[] = { .name = "Marvell 88E1240", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, - .config_init = m88e1111_config_init, + .config_init = m88e1112_config_init, .config_aneg = marvell_config_aneg, .config_intr = marvell_config_intr, .handle_interrupt = marvell_handle_interrupt, @@ -2929,7 +2967,7 @@ static struct phy_driver marvell_drivers[] = { /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, .probe = marvell_probe, - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -2955,7 +2993,7 @@ static struct phy_driver marvell_drivers[] = { .probe = marvell_probe, /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -3000,7 +3038,7 @@ static struct phy_driver marvell_drivers[] = { /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, .probe = marvell_probe, - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e6390_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -3026,7 +3064,7 @@ static struct phy_driver marvell_drivers[] = { /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, .probe = marvell_probe, - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e6390_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -3052,7 +3090,7 @@ static struct phy_driver marvell_drivers[] = { /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, .probe = marvell_probe, - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -3077,7 +3115,7 @@ static struct phy_driver marvell_drivers[] = { .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops), .probe = marvell_probe, /* PHY_GBIT_FEATURES */ - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, @@ -3099,7 +3137,7 @@ static struct phy_driver marvell_drivers[] = { .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops), .probe = marvell_probe, .features = PHY_GBIT_FIBRE_FEATURES, - .config_init = marvell_config_init, + .config_init = marvell_1011gbe_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .config_intr = marvell_config_intr, diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index 4d9dc7d15908..0720f5f92caa 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -415,7 +415,7 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) if (pad > 0) { /* Pad the frame with zeros */ if (__skb_pad(skb, pad, false)) - goto out; + goto drop; skb_put(skb, pad); } } @@ -448,9 +448,8 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; drop: - kfree_skb(skb); -out: dev->stats.tx_dropped++; + kfree_skb(skb); return NETDEV_TX_OK; } diff --git a/drivers/net/wireless/intersil/hostap/hostap_proc.c b/drivers/net/wireless/intersil/hostap/hostap_proc.c index 97c270845fd1..51c847d98755 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_proc.c +++ b/drivers/net/wireless/intersil/hostap/hostap_proc.c @@ -227,6 +227,7 @@ static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf, static const struct proc_ops prism2_aux_dump_proc_ops = { .proc_read = prism2_aux_dump_proc_no_read, + .proc_lseek = default_llseek, }; diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_nortel.c b/drivers/net/wireless/intersil/orinoco/orinoco_nortel.c index 96a03d10a080..18bd0d9876c2 100644 --- a/drivers/net/wireless/intersil/orinoco/orinoco_nortel.c +++ b/drivers/net/wireless/intersil/orinoco/orinoco_nortel.c @@ -312,11 +312,3 @@ static void __exit orinoco_nortel_exit(void) module_init(orinoco_nortel_init); module_exit(orinoco_nortel_exit); - -/* - * Local variables: - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_pci.c b/drivers/net/wireless/intersil/orinoco/orinoco_pci.c index f3c86b07b1b9..7e3a6dd60c15 100644 --- a/drivers/net/wireless/intersil/orinoco/orinoco_pci.c +++ b/drivers/net/wireless/intersil/orinoco/orinoco_pci.c @@ -255,11 +255,3 @@ static void __exit orinoco_pci_exit(void) module_init(orinoco_pci_init); module_exit(orinoco_pci_exit); - -/* - * Local variables: - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_plx.c b/drivers/net/wireless/intersil/orinoco/orinoco_plx.c index 16dada94c774..73e6ae124013 100644 --- a/drivers/net/wireless/intersil/orinoco/orinoco_plx.c +++ b/drivers/net/wireless/intersil/orinoco/orinoco_plx.c @@ -360,11 +360,3 @@ static void __exit orinoco_plx_exit(void) module_init(orinoco_plx_init); module_exit(orinoco_plx_exit); - -/* - * Local variables: - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_tmd.c b/drivers/net/wireless/intersil/orinoco/orinoco_tmd.c index 9a9d335611ac..939d5a1dce97 100644 --- a/drivers/net/wireless/intersil/orinoco/orinoco_tmd.c +++ b/drivers/net/wireless/intersil/orinoco/orinoco_tmd.c @@ -235,11 +235,3 @@ static void __exit orinoco_tmd_exit(void) module_init(orinoco_tmd_init); module_exit(orinoco_tmd_exit); - -/* - * Local variables: - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 41aa1f01fc07..18a267d5073f 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -6,6 +6,7 @@ #include <linux/highmem.h> #include <linux/debugfs.h> #include <linux/blkdev.h> +#include <linux/pagemap.h> #include <linux/module.h> #include <linux/device.h> #include <linux/mutex.h> diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 7daac795db39..ed10a8b66068 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -8,6 +8,7 @@ */ #include <linux/blkdev.h> +#include <linux/pagemap.h> #include <linux/hdreg.h> #include <linux/init.h> #include <linux/platform_device.h> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index b6f7815fa239..522c9b229f80 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -576,6 +576,11 @@ static void nvme_free_ns(struct kref *kref) kfree(ns); } +static inline bool nvme_get_ns(struct nvme_ns *ns) +{ + return kref_get_unless_zero(&ns->kref); +} + void nvme_put_ns(struct nvme_ns *ns) { kref_put(&ns->kref, nvme_free_ns); @@ -584,9 +589,6 @@ EXPORT_SYMBOL_NS_GPL(nvme_put_ns, NVME_TARGET_PASSTHRU); static inline void nvme_clear_nvme_request(struct request *req) { - struct nvme_command *cmd = nvme_req(req)->cmd; - - memset(cmd, 0, sizeof(*cmd)); nvme_req(req)->retries = 0; nvme_req(req)->flags = 0; req->rq_flags |= RQF_DONTPREP; @@ -637,6 +639,66 @@ static struct request *nvme_alloc_request_qid(struct request_queue *q, return req; } +/* + * For something we're not in a state to send to the device the default action + * is to busy it and retry it after the controller state is recovered. However, + * if the controller is deleting or if anything is marked for failfast or + * nvme multipath it is immediately failed. + * + * Note: commands used to initialize the controller will be marked for failfast. + * Note: nvme cli/ioctl commands are marked for failfast. + */ +blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, + struct request *rq) +{ + if (ctrl->state != NVME_CTRL_DELETING_NOIO && + ctrl->state != NVME_CTRL_DEAD && + !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && + !blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) + return BLK_STS_RESOURCE; + return nvme_host_path_error(rq); +} +EXPORT_SYMBOL_GPL(nvme_fail_nonready_command); + +bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, + bool queue_live) +{ + struct nvme_request *req = nvme_req(rq); + + /* + * currently we have a problem sending passthru commands + * on the admin_q if the controller is not LIVE because we can't + * make sure that they are going out after the admin connect, + * controller enable and/or other commands in the initialization + * sequence. until the controller will be LIVE, fail with + * BLK_STS_RESOURCE so that they will be rescheduled. + */ + if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) + return false; + + if (ctrl->ops->flags & NVME_F_FABRICS) { + /* + * Only allow commands on a live queue, except for the connect + * command, which is require to set the queue live in the + * appropinquate states. + */ + switch (ctrl->state) { + case NVME_CTRL_CONNECTING: + if (blk_rq_is_passthrough(rq) && nvme_is_fabrics(req->cmd) && + req->cmd->fabrics.fctype == nvme_fabrics_type_connect) + return true; + break; + default: + break; + case NVME_CTRL_DEAD: + return false; + } + } + + return queue_live; +} +EXPORT_SYMBOL_GPL(__nvme_check_ready); + static int nvme_toggle_streams(struct nvme_ctrl *ctrl, bool enable) { struct nvme_command c; @@ -898,8 +960,10 @@ blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req) struct nvme_command *cmd = nvme_req(req)->cmd; blk_status_t ret = BLK_STS_OK; - if (!(req->rq_flags & RQF_DONTPREP)) + if (!(req->rq_flags & RQF_DONTPREP)) { nvme_clear_nvme_request(req); + memset(cmd, 0, sizeof(*cmd)); + } switch (req_op(req)) { case REQ_OP_DRV_IN: @@ -1494,7 +1558,7 @@ static int nvme_ns_open(struct nvme_ns *ns) /* should never be called due to GENHD_FL_HIDDEN */ if (WARN_ON_ONCE(nvme_ns_head_multipath(ns->head))) goto fail; - if (!kref_get_unless_zero(&ns->kref)) + if (!nvme_get_ns(ns)) goto fail; if (!try_module_get(ns->ctrl->ops->module)) goto fail_put_ns; @@ -1999,28 +2063,6 @@ static const struct block_device_operations nvme_bdev_ops = { .pr_ops = &nvme_pr_ops, }; -#ifdef CONFIG_NVME_MULTIPATH -struct nvme_ctrl *nvme_find_get_live_ctrl(struct nvme_subsystem *subsys) -{ - struct nvme_ctrl *ctrl; - int ret; - - ret = mutex_lock_killable(&nvme_subsystems_lock); - if (ret) - return ERR_PTR(ret); - list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry) { - if (ctrl->state == NVME_CTRL_LIVE) - goto found; - } - mutex_unlock(&nvme_subsystems_lock); - return ERR_PTR(-EWOULDBLOCK); -found: - nvme_get_ctrl(ctrl); - mutex_unlock(&nvme_subsystems_lock); - return ctrl; -} -#endif /* CONFIG_NVME_MULTIPATH */ - static int nvme_wait_ready(struct nvme_ctrl *ctrl, u64 cap, bool enabled) { unsigned long timeout = @@ -3604,7 +3646,7 @@ struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) down_read(&ctrl->namespaces_rwsem); list_for_each_entry(ns, &ctrl->namespaces, list) { if (ns->head->ns_id == nsid) { - if (!kref_get_unless_zero(&ns->kref)) + if (!nvme_get_ns(ns)) continue; ret = ns; break; diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 13c2747e3d00..a2bb7fc63a73 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -533,63 +533,6 @@ static struct nvmf_transport_ops *nvmf_lookup_transport( return NULL; } -/* - * For something we're not in a state to send to the device the default action - * is to busy it and retry it after the controller state is recovered. However, - * if the controller is deleting or if anything is marked for failfast or - * nvme multipath it is immediately failed. - * - * Note: commands used to initialize the controller will be marked for failfast. - * Note: nvme cli/ioctl commands are marked for failfast. - */ -blk_status_t nvmf_fail_nonready_command(struct nvme_ctrl *ctrl, - struct request *rq) -{ - if (ctrl->state != NVME_CTRL_DELETING_NOIO && - ctrl->state != NVME_CTRL_DEAD && - !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && - !blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) - return BLK_STS_RESOURCE; - return nvme_host_path_error(rq); -} -EXPORT_SYMBOL_GPL(nvmf_fail_nonready_command); - -bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, - bool queue_live) -{ - struct nvme_request *req = nvme_req(rq); - - /* - * currently we have a problem sending passthru commands - * on the admin_q if the controller is not LIVE because we can't - * make sure that they are going out after the admin connect, - * controller enable and/or other commands in the initialization - * sequence. until the controller will be LIVE, fail with - * BLK_STS_RESOURCE so that they will be rescheduled. - */ - if (rq->q == ctrl->admin_q && (req->flags & NVME_REQ_USERCMD)) - return false; - - /* - * Only allow commands on a live queue, except for the connect command, - * which is require to set the queue live in the appropinquate states. - */ - switch (ctrl->state) { - case NVME_CTRL_CONNECTING: - if (blk_rq_is_passthrough(rq) && nvme_is_fabrics(req->cmd) && - req->cmd->fabrics.fctype == nvme_fabrics_type_connect) - return true; - break; - default: - break; - case NVME_CTRL_DEAD: - return false; - } - - return queue_live; -} -EXPORT_SYMBOL_GPL(__nvmf_check_ready); - static const match_table_t opt_tokens = { { NVMF_OPT_TRANSPORT, "transport=%s" }, { NVMF_OPT_TRADDR, "traddr=%s" }, diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index 888b108d87a4..d7f7974dc208 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -184,20 +184,7 @@ void nvmf_unregister_transport(struct nvmf_transport_ops *ops); void nvmf_free_options(struct nvmf_ctrl_options *opts); int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size); bool nvmf_should_reconnect(struct nvme_ctrl *ctrl); -blk_status_t nvmf_fail_nonready_command(struct nvme_ctrl *ctrl, - struct request *rq); -bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, - bool queue_live); bool nvmf_ip_options_match(struct nvme_ctrl *ctrl, struct nvmf_ctrl_options *opts); -static inline bool nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq, - bool queue_live) -{ - if (likely(ctrl->state == NVME_CTRL_LIVE || - ctrl->state == NVME_CTRL_DELETING)) - return true; - return __nvmf_check_ready(ctrl, rq, queue_live); -} - #endif /* _NVME_FABRICS_H */ diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 9b9b7be0f412..d9ab9e7871d0 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2766,8 +2766,8 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx, blk_status_t ret; if (ctrl->rport->remoteport.port_state != FC_OBJSTATE_ONLINE || - !nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) - return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq); + !nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) + return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); ret = nvme_setup_cmd(ns, rq); if (ret) diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 502f8e4a2a1f..9557ead02de1 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -370,41 +370,45 @@ long nvme_ns_chr_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } #ifdef CONFIG_NVME_MULTIPATH -static int nvme_ns_head_ctrl_ioctl(struct nvme_ns_head *head, - unsigned int cmd, void __user *argp) +static int nvme_ns_head_ctrl_ioctl(struct nvme_ns *ns, unsigned int cmd, + void __user *argp, struct nvme_ns_head *head, int srcu_idx) { - struct nvme_ctrl *ctrl = nvme_find_get_live_ctrl(head->subsys); + struct nvme_ctrl *ctrl = ns->ctrl; int ret; - if (IS_ERR(ctrl)) - return PTR_ERR(ctrl); - ret = nvme_ctrl_ioctl(ctrl, cmd, argp); - nvme_put_ctrl(ctrl); - return ret; -} + nvme_get_ctrl(ns->ctrl); + nvme_put_ns_from_disk(head, srcu_idx); + ret = nvme_ctrl_ioctl(ns->ctrl, cmd, argp); -static int nvme_ns_head_ns_ioctl(struct nvme_ns_head *head, - unsigned int cmd, void __user *argp) -{ - int srcu_idx = srcu_read_lock(&head->srcu); - struct nvme_ns *ns = nvme_find_path(head); - int ret = -EWOULDBLOCK; - - if (ns) - ret = nvme_ns_ioctl(ns, cmd, argp); - srcu_read_unlock(&head->srcu, srcu_idx); + nvme_put_ctrl(ctrl); return ret; } int nvme_ns_head_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { - struct nvme_ns_head *head = bdev->bd_disk->private_data; + struct nvme_ns_head *head = NULL; void __user *argp = (void __user *)arg; + struct nvme_ns *ns; + int srcu_idx, ret; + + ns = nvme_get_ns_from_disk(bdev->bd_disk, &head, &srcu_idx); + if (unlikely(!ns)) + return -EWOULDBLOCK; + /* + * Handle ioctls that apply to the controller instead of the namespace + * seperately and drop the ns SRCU reference early. This avoids a + * deadlock when deleting namespaces using the passthrough interface. + */ if (is_ctrl_ioctl(cmd)) - return nvme_ns_head_ctrl_ioctl(head, cmd, argp); - return nvme_ns_head_ns_ioctl(head, cmd, argp); + ret = nvme_ns_head_ctrl_ioctl(ns, cmd, argp, head, srcu_idx); + else { + ret = nvme_ns_ioctl(ns, cmd, argp); + nvme_put_ns_from_disk(head, srcu_idx); + } + + return ret; } long nvme_ns_head_chr_ioctl(struct file *file, unsigned int cmd, @@ -414,10 +418,23 @@ long nvme_ns_head_chr_ioctl(struct file *file, unsigned int cmd, struct nvme_ns_head *head = container_of(cdev, struct nvme_ns_head, cdev); void __user *argp = (void __user *)arg; + struct nvme_ns *ns; + int srcu_idx, ret; + + srcu_idx = srcu_read_lock(&head->srcu); + ns = nvme_find_path(head); + if (!ns) { + srcu_read_unlock(&head->srcu, srcu_idx); + return -EWOULDBLOCK; + } if (is_ctrl_ioctl(cmd)) - return nvme_ns_head_ctrl_ioctl(head, cmd, argp); - return nvme_ns_head_ns_ioctl(head, cmd, argp); + return nvme_ns_head_ctrl_ioctl(ns, cmd, argp, head, srcu_idx); + + ret = nvme_ns_ioctl(ns, cmd, argp); + nvme_put_ns_from_disk(head, srcu_idx); + + return ret; } #endif /* CONFIG_NVME_MULTIPATH */ diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 0d0de3433f37..0551796517e6 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -70,6 +70,7 @@ void nvme_failover_req(struct request *req) struct nvme_ns *ns = req->q->queuedata; u16 status = nvme_req(req)->status & 0x7ff; unsigned long flags; + struct bio *bio; nvme_mpath_clear_current_path(ns); @@ -84,6 +85,8 @@ void nvme_failover_req(struct request *req) } spin_lock_irqsave(&ns->head->requeue_lock, flags); + for (bio = req->bio; bio; bio = bio->bi_next) + bio_set_dev(bio, ns->head->disk->part0); blk_steal_bios(&ns->head->requeue_list, req); spin_unlock_irqrestore(&ns->head->requeue_lock, flags); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 773dde5b231d..05f31a2c64bb 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -638,6 +638,21 @@ struct request *nvme_alloc_request(struct request_queue *q, struct nvme_command *cmd, blk_mq_req_flags_t flags); void nvme_cleanup_cmd(struct request *req); blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req); +blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, + struct request *req); +bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, + bool queue_live); + +static inline bool nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, + bool queue_live) +{ + if (likely(ctrl->state == NVME_CTRL_LIVE)) + return true; + if (ctrl->ops->flags & NVME_F_FABRICS && + ctrl->state == NVME_CTRL_DELETING) + return true; + return __nvme_check_ready(ctrl, rq, queue_live); +} int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, void *buf, unsigned bufflen); int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, @@ -664,7 +679,6 @@ struct nvme_ns *nvme_get_ns_from_disk(struct gendisk *disk, void nvme_put_ns_from_disk(struct nvme_ns_head *head, int idx); bool nvme_tryget_ns_head(struct nvme_ns_head *head); void nvme_put_ns_head(struct nvme_ns_head *head); -struct nvme_ctrl *nvme_find_get_live_ctrl(struct nvme_subsystem *subsys); int nvme_cdev_add(struct cdev *cdev, struct device *cdev_device, const struct file_operations *fops, struct module *owner); void nvme_cdev_del(struct cdev *cdev, struct device *cdev_device); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 09d4c5f99fc3..a29b170701fc 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -933,6 +933,9 @@ static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx, if (unlikely(!test_bit(NVMEQ_ENABLED, &nvmeq->flags))) return BLK_STS_IOERR; + if (!nvme_check_ready(&dev->ctrl, req, true)) + return nvme_fail_nonready_command(&dev->ctrl, req); + ret = nvme_setup_cmd(ns, req); if (ret) return ret; diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 660c774fa9e1..37943dc4c2c1 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -2050,8 +2050,8 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, WARN_ON_ONCE(rq->tag < 0); - if (!nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) - return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq); + if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) + return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); dev = queue->device->dev; diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 75435cdb156c..0222e23f5936 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -2338,8 +2338,8 @@ static blk_status_t nvme_tcp_queue_rq(struct blk_mq_hw_ctx *hctx, bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); blk_status_t ret; - if (!nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) - return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq); + if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) + return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); ret = nvme_tcp_setup_cmd_pdu(ns, rq); if (unlikely(ret)) diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index d2a26ff3f7b3..e7a367cf6d36 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -307,7 +307,7 @@ static void nvmet_execute_get_log_page(struct nvmet_req *req) case NVME_LOG_ANA: return nvmet_execute_get_log_page_ana(req); } - pr_err("unhandled lid %d on qid %d\n", + pr_debug("unhandled lid %d on qid %d\n", req->cmd->get_log_page.lid, req->sq->qid); req->error_loc = offsetof(struct nvme_get_log_page_command, lid); nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR); @@ -659,7 +659,7 @@ static void nvmet_execute_identify(struct nvmet_req *req) return nvmet_execute_identify_desclist(req); } - pr_err("unhandled identify cns %d on qid %d\n", + pr_debug("unhandled identify cns %d on qid %d\n", req->cmd->identify.cns, req->sq->qid); req->error_loc = offsetof(struct nvme_identify, cns); nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR); @@ -977,7 +977,7 @@ u16 nvmet_parse_admin_cmd(struct nvmet_req *req) return 0; } - pr_err("unhandled cmd %d on qid %d\n", cmd->common.opcode, + pr_debug("unhandled cmd %d on qid %d\n", cmd->common.opcode, req->sq->qid); req->error_loc = offsetof(struct nvme_common_command, opcode); return NVME_SC_INVALID_OPCODE | NVME_SC_DNR; diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 6665da3b634f..74b3b150e1a5 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -138,8 +138,8 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, bool queue_ready = test_bit(NVME_LOOP_Q_LIVE, &queue->flags); blk_status_t ret; - if (!nvmf_check_ready(&queue->ctrl->ctrl, req, queue_ready)) - return nvmf_fail_nonready_command(&queue->ctrl->ctrl, req); + if (!nvme_check_ready(&queue->ctrl->ctrl, req, queue_ready)) + return nvme_fail_nonready_command(&queue->ctrl->ctrl, req); ret = nvme_setup_cmd(ns, req); if (ret) diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c index 180c6fb3ef36..d80160cf34bb 100644 --- a/drivers/of/overlay.c +++ b/drivers/of/overlay.c @@ -1024,7 +1024,6 @@ int of_overlay_fdt_apply(const void *overlay_fdt, u32 overlay_fdt_size, struct device_node *overlay_root = NULL; *ovcs_id = 0; - ret = 0; if (overlay_fdt_size < sizeof(struct fdt_header) || fdt_check_header(overlay_fdt)) { @@ -1195,8 +1194,6 @@ int of_overlay_remove(int *ovcs_id) struct overlay_changeset *ovcs; int ret, ret_apply, ret_tmp; - ret = 0; - if (devicetree_corrupt()) { pr_err("suspect devicetree state, refuse to remove overlay\n"); ret = -EBUSY; diff --git a/drivers/parport/parport_ip32.c b/drivers/parport/parport_ip32.c index 48b084e86dc6..0919ed99ba94 100644 --- a/drivers/parport/parport_ip32.c +++ b/drivers/parport/parport_ip32.c @@ -2224,15 +2224,3 @@ MODULE_PARM_DESC(features, ", bit 2: hardware SPP mode" ", bit 3: hardware EPP mode" ", bit 4: hardware ECP mode"); - -/*--- Inform (X)Emacs about preferred coding style ---------------------*/ -/* - * Local Variables: - * mode: c - * c-file-style: "linux" - * indent-tabs-mode: t - * tab-width: 8 - * fill-column: 78 - * ispell-local-dictionary: "american" - * End: - */ diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c index f8f056be71b7..014868752cd4 100644 --- a/drivers/pci/hotplug/s390_pci_hpc.c +++ b/drivers/pci/hotplug/s390_pci_hpc.c @@ -35,7 +35,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot) return rc; zdev->state = ZPCI_FN_STATE_CONFIGURED; - return zpci_configure_device(zdev, zdev->fh); + return zpci_scan_configured_device(zdev, zdev->fh); } static int disable_slot(struct hotplug_slot *hotplug_slot) diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index e6939103991b..948b763dc451 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -75,7 +75,7 @@ void release_cis_mem(struct pcmcia_socket *s) mutex_unlock(&s->ops_mutex); } -/** +/* * set_cis_map() - map the card memory at "card_offset" into virtual space. * * If flags & MAP_ATTRIB, map the attribute space, otherwise @@ -126,7 +126,7 @@ static void __iomem *set_cis_map(struct pcmcia_socket *s, #define IS_ATTR 1 #define IS_INDIRECT 8 -/** +/* * pcmcia_read_cis_mem() - low-level function to read CIS memory * * must be called with ops_mutex held @@ -206,7 +206,7 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, } -/** +/* * pcmcia_write_cis_mem() - low-level function to write CIS memory * * Probably only useful for writing one-byte registers. Must be called @@ -277,7 +277,7 @@ int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, } -/** +/* * read_cis_cache() - read CIS memory or its associated cache * * This is a wrapper around read_cis_mem, with the same interface, @@ -365,7 +365,7 @@ void destroy_cis_cache(struct pcmcia_socket *s) } } -/** +/* * verify_cis_cache() - does the CIS match what is in the CIS cache? */ int verify_cis_cache(struct pcmcia_socket *s) @@ -401,7 +401,7 @@ int verify_cis_cache(struct pcmcia_socket *s) return 0; } -/** +/* * pcmcia_replace_cis() - use a replacement CIS instead of the card's CIS * * For really bad cards, we provide a facility for uploading a diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 72114907c0e4..bd81aa64d011 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -83,7 +83,7 @@ struct pcmcia_dynid { }; /** - * pcmcia_store_new_id - add a new PCMCIA device ID to this driver and re-probe devices + * new_id_store() - add a new PCMCIA device ID to this driver and re-probe devices * @driver: target device driver * @buf: buffer for scanning device ID data * @count: input size @@ -371,9 +371,6 @@ static int pcmcia_device_remove(struct device *dev) pcmcia_card_remove(p_dev->socket, p_dev); /* detach the "instance" */ - if (!p_drv) - return 0; - if (p_drv->remove) p_drv->remove(p_dev); @@ -389,7 +386,7 @@ static int pcmcia_device_remove(struct device *dev) "pcmcia: driver %s did not release window properly\n", p_drv->name); - /* references from pcmcia_probe_device */ + /* references from pcmcia_device_probe */ pcmcia_put_dev(p_dev); module_put(p_drv->owner); diff --git a/drivers/pcmcia/pcmcia_cis.c b/drivers/pcmcia/pcmcia_cis.c index e4c4daf92038..d2d0ed4b27c8 100644 --- a/drivers/pcmcia/pcmcia_cis.c +++ b/drivers/pcmcia/pcmcia_cis.c @@ -122,7 +122,7 @@ next_entry: } -/** +/* * pcmcia_io_cfg_data_width() - convert cfgtable to data path width parameter */ static int pcmcia_io_cfg_data_width(unsigned int flags) @@ -143,7 +143,7 @@ struct pcmcia_cfg_mem { cistpl_cftable_entry_t dflt; }; -/** +/* * pcmcia_do_loop_config() - internal helper for pcmcia_loop_config() * * pcmcia_do_loop_config() is the internal callback for the call from @@ -289,7 +289,7 @@ struct pcmcia_loop_mem { void *priv_data); }; -/** +/* * pcmcia_do_loop_tuple() - internal helper for pcmcia_loop_config() * * pcmcia_do_loop_tuple() is the internal callback for the call from @@ -337,7 +337,7 @@ struct pcmcia_loop_get { cisdata_t **buf; }; -/** +/* * pcmcia_do_get_tuple() - internal helper for pcmcia_get_tuple() * * pcmcia_do_get_tuple() is the internal callback for the call from @@ -386,7 +386,7 @@ size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code, EXPORT_SYMBOL(pcmcia_get_tuple); -/** +/* * pcmcia_do_get_mac() - internal helper for pcmcia_get_mac_from_cis() * * pcmcia_do_get_mac() is the internal callback for the call from diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index e3a6b6c8a5b0..c1c197292111 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -144,7 +144,7 @@ static int alloc_io_space(struct pcmcia_socket *s, struct resource *res, } -/** +/* * pcmcia_access_config() - read or write card configuration registers * * pcmcia_access_config() reads and writes configuration registers in @@ -184,7 +184,7 @@ static int pcmcia_access_config(struct pcmcia_device *p_dev, } -/** +/* * pcmcia_read_config_byte() - read a byte from a card configuration register * * pcmcia_read_config_byte() reads a byte from a configuration register in @@ -197,7 +197,7 @@ int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val) EXPORT_SYMBOL(pcmcia_read_config_byte); -/** +/* * pcmcia_write_config_byte() - write a byte to a card configuration register * * pcmcia_write_config_byte() writes a byte to a configuration register in @@ -720,7 +720,8 @@ static irqreturn_t test_action(int cpl, void *dev_id) /** * pcmcia_setup_isa_irq() - determine whether an ISA IRQ can be used - * @p_dev - the associated PCMCIA device + * @p_dev: the associated PCMCIA device + * @type: IRQ type (flags) * * locking note: must be called with ops_mutex locked. */ @@ -785,7 +786,7 @@ void pcmcia_cleanup_irq(struct pcmcia_socket *s) /** * pcmcia_setup_irq() - determine IRQ to be used for device - * @p_dev - the associated PCMCIA device + * @p_dev: the associated PCMCIA device * * locking note: must be called with ops_mutex locked. */ diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 3b05760e69d6..bb15a8bdbaab 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -257,7 +257,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base, /*======================================================================*/ -/** +/* * readable() - iomem validation function for cards with a valid CIS */ static int readable(struct pcmcia_socket *s, struct resource *res, @@ -288,7 +288,7 @@ static int readable(struct pcmcia_socket *s, struct resource *res, return 0; } -/** +/* * checksum() - iomem validation function for simple memory cards */ static int checksum(struct pcmcia_socket *s, struct resource *res, @@ -343,9 +343,9 @@ static int checksum(struct pcmcia_socket *s, struct resource *res, */ static int do_validate_mem(struct pcmcia_socket *s, unsigned long base, unsigned long size, - int validate (struct pcmcia_socket *s, - struct resource *res, - unsigned int *value)) + int (*validate)(struct pcmcia_socket *s, + struct resource *res, + unsigned int *value)) { struct socket_data *s_data = s->resource_data; struct resource *res1, *res2; @@ -398,12 +398,12 @@ static int do_validate_mem(struct pcmcia_socket *s, * function returns the size of the usable memory area. */ static int do_mem_probe(struct pcmcia_socket *s, u_long base, u_long num, - int validate (struct pcmcia_socket *s, - struct resource *res, - unsigned int *value), - int fallback (struct pcmcia_socket *s, - struct resource *res, - unsigned int *value)) + int (*validate)(struct pcmcia_socket *s, + struct resource *res, + unsigned int *value), + int (*fallback)(struct pcmcia_socket *s, + struct resource *res, + unsigned int *value)) { struct socket_data *s_data = s->resource_data; u_long i, j, bad, fail, step; diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c index 651a36b9dcc0..983ba9865f77 100644 --- a/drivers/pinctrl/pinctrl-ingenic.c +++ b/drivers/pinctrl/pinctrl-ingenic.c @@ -11,6 +11,7 @@ #include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/kernel.h> #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/of_platform.h> @@ -3854,6 +3855,8 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev) return 0; } +#define IF_ENABLED(cfg, ptr) PTR_IF(IS_ENABLED(cfg), (ptr)) + static const struct of_device_id ingenic_pinctrl_of_match[] = { { .compatible = "ingenic,jz4730-pinctrl", diff --git a/drivers/platform/chrome/cros_ec_lpc_mec.c b/drivers/platform/chrome/cros_ec_lpc_mec.c index 9035b17e8c86..bbc2884f5e2f 100644 --- a/drivers/platform/chrome/cros_ec_lpc_mec.c +++ b/drivers/platform/chrome/cros_ec_lpc_mec.c @@ -14,7 +14,7 @@ * This mutex must be held while accessing the EMI unit. We can't rely on the * EC mutex because memmap data may be accessed without it being held. */ -static struct mutex io_mutex; +static DEFINE_MUTEX(io_mutex); static u16 mec_emi_base, mec_emi_end; /** @@ -142,7 +142,6 @@ EXPORT_SYMBOL(cros_ec_lpc_io_bytes_mec); void cros_ec_lpc_mec_init(unsigned int base, unsigned int end) { - mutex_init(&io_mutex); mec_emi_base = base; mec_emi_end = end; } diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index 0811562deecc..27c068c4c38d 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -58,6 +58,7 @@ struct cros_typec_port { /* Variables keeping track of switch state. */ struct typec_mux_state state; uint8_t mux_flags; + uint8_t role; /* Port alt modes. */ struct typec_altmode p_altmode[CROS_EC_ALTMODE_MAX]; @@ -220,6 +221,9 @@ static void cros_typec_remove_partner(struct cros_typec_data *typec, { struct cros_typec_port *port = typec->ports[port_num]; + if (!port->partner) + return; + cros_typec_unregister_altmodes(typec, port_num, true); cros_typec_usb_disconnect_state(port); @@ -235,6 +239,9 @@ static void cros_typec_remove_cable(struct cros_typec_data *typec, { struct cros_typec_port *port = typec->ports[port_num]; + if (!port->cable) + return; + cros_typec_unregister_altmodes(typec, port_num, false); typec_unregister_plug(port->plug); @@ -253,11 +260,8 @@ static void cros_unregister_ports(struct cros_typec_data *typec) if (!typec->ports[i]) continue; - if (typec->ports[i]->partner) - cros_typec_remove_partner(typec, i); - - if (typec->ports[i]->cable) - cros_typec_remove_cable(typec, i); + cros_typec_remove_partner(typec, i); + cros_typec_remove_cable(typec, i); usb_role_switch_put(typec->ports[i]->role_sw); typec_switch_put(typec->ports[i]->ori_sw); @@ -483,6 +487,11 @@ static int cros_typec_enable_dp(struct cros_typec_data *typec, return -ENOTSUPP; } + if (!pd_ctrl->dp_mode) { + dev_err(typec->dev, "No valid DP mode provided.\n"); + return -EINVAL; + } + /* Status VDO. */ dp_data.status = DP_STATUS_ENABLED; if (port->mux_flags & USB_PD_MUX_HPD_IRQ) @@ -647,11 +656,8 @@ static void cros_typec_set_port_params_v1(struct cros_typec_data *typec, "Failed to register partner on port: %d\n", port_num); } else { - if (typec->ports[port_num]->partner) - cros_typec_remove_partner(typec, port_num); - - if (typec->ports[port_num]->cable) - cros_typec_remove_cable(typec, port_num); + cros_typec_remove_partner(typec, port_num); + cros_typec_remove_cable(typec, port_num); } } @@ -905,6 +911,19 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num return; } + /* If we got a hard reset, unregister everything and return. */ + if (resp.events & PD_STATUS_EVENT_HARD_RESET) { + cros_typec_remove_partner(typec, port_num); + cros_typec_remove_cable(typec, port_num); + + ret = cros_typec_send_clear_event(typec, port_num, + PD_STATUS_EVENT_HARD_RESET); + if (ret < 0) + dev_warn(typec->dev, + "Failed hard reset event clear, port: %d\n", port_num); + return; + } + /* Handle any events appropriately. */ if (resp.events & PD_STATUS_EVENT_SOP_DISC_DONE && !typec->ports[port_num]->sop_disc_done) { u16 sop_revision; @@ -995,10 +1014,12 @@ static int cros_typec_port_update(struct cros_typec_data *typec, int port_num) } /* No change needs to be made, let's exit early. */ - if (typec->ports[port_num]->mux_flags == mux_resp.flags) + if (typec->ports[port_num]->mux_flags == mux_resp.flags && + typec->ports[port_num]->role == resp.role) return 0; typec->ports[port_num]->mux_flags = mux_resp.flags; + typec->ports[port_num]->role = resp.role; ret = cros_typec_configure_mux(typec, port_num, mux_resp.flags, &resp); if (ret) dev_warn(typec->dev, "Configure muxes failed, err = %d\n", ret); @@ -1027,8 +1048,8 @@ static int cros_typec_get_cmd_version(struct cros_typec_data *typec) else typec->pd_ctrl_ver = 0; - dev_dbg(typec->dev, "PD Control has version mask 0x%hhx\n", - typec->pd_ctrl_ver); + dev_dbg(typec->dev, "PD Control has version mask 0x%02x\n", + typec->pd_ctrl_ver & 0xff); return 0; } diff --git a/drivers/platform/chrome/cros_usbpd_notify.c b/drivers/platform/chrome/cros_usbpd_notify.c index 7f36142ab12a..48a6617aa12f 100644 --- a/drivers/platform/chrome/cros_usbpd_notify.c +++ b/drivers/platform/chrome/cros_usbpd_notify.c @@ -220,7 +220,8 @@ static int cros_usbpd_notify_plat(struct notifier_block *nb, if (!host_event) return NOTIFY_DONE; - if (host_event & EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU)) { + if (host_event & (EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU) | + EC_HOST_EVENT_MASK(EC_HOST_EVENT_USB_MUX))) { cros_usbpd_get_event_and_notify(pdnotify->dev, ec_dev); return NOTIFY_OK; } diff --git a/drivers/platform/chrome/wilco_ec/telemetry.c b/drivers/platform/chrome/wilco_ec/telemetry.c index e06d96fb9426..60da7a29f2ff 100644 --- a/drivers/platform/chrome/wilco_ec/telemetry.c +++ b/drivers/platform/chrome/wilco_ec/telemetry.c @@ -256,7 +256,7 @@ static int telem_open(struct inode *inode, struct file *filp) sess_data->dev_data = dev_data; sess_data->has_msg = false; - nonseekable_open(inode, filp); + stream_open(inode, filp); filp->private_data = sess_data; return 0; diff --git a/drivers/platform/x86/dell/dell_rbu.c b/drivers/platform/x86/dell/dell_rbu.c index 03c3ff34bcf5..085ad0a0d22e 100644 --- a/drivers/platform/x86/dell/dell_rbu.c +++ b/drivers/platform/x86/dell/dell_rbu.c @@ -675,6 +675,3 @@ static __exit void dcdrbu_exit(void) module_exit(dcdrbu_exit); module_init(dcdrbu_init); - -/* vim:noet:ts=8:sw=8 -*/ diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h index ca24a78a256e..73651211789f 100644 --- a/drivers/s390/block/dasd_eckd.h +++ b/drivers/s390/block/dasd_eckd.h @@ -52,7 +52,7 @@ #define DASD_ECKD_CCW_RCD 0xFA #define DASD_ECKD_CCW_DSO 0xF7 -/* Define Subssystem Function / Orders */ +/* Define Subsystem Function / Orders */ #define DSO_ORDER_RAS 0x81 /* @@ -110,7 +110,7 @@ #define DASD_ECKD_PG_GROUPED 0x10 /* - * Size that is reportet for large volumes in the old 16-bit no_cyl field + * Size that is reported for large volumes in the old 16-bit no_cyl field */ #define LV_COMPAT_CYL 0xFFFE @@ -555,7 +555,7 @@ struct dasd_dso_ras_ext_range { } __packed; /* - * Define Subsytem Operation - Release Allocated Space + * Define Subsystem Operation - Release Allocated Space */ struct dasd_dso_ras_data { __u8 order; @@ -676,7 +676,7 @@ struct dasd_eckd_private { struct dasd_ext_pool_sum eps; u32 real_cyl; - /* alias managemnet */ + /* alias management */ struct dasd_uid uid; struct alias_pav_group *pavgroup; struct alias_lcu *lcu; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 3f026021e95e..84f659cafe76 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1532,8 +1532,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) switch (action) { case IO_SCH_ORPH_UNREG: case IO_SCH_UNREG: - if (!cdev) - css_sch_device_unregister(sch); + css_sch_device_unregister(sch); break; case IO_SCH_ORPH_ATTACH: case IO_SCH_UNREG_ATTACH: diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index ab42feab233f..77ccb96e5ed4 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -1,5 +1,4 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8 -*- */ /* NCR (or Symbios) 53c700 and 53c700-66 Driver * diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h index c9f8c497babb..2df347ca91af 100644 --- a/drivers/scsi/53c700.h +++ b/drivers/scsi/53c700.h @@ -1,5 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* -*- mode: c; c-basic-offset: 8 -*- */ /* Driver for 53c700 and 53c700-66 chips from NCR and Symbios * diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index cb74ab1ae5a4..9b89c26ccfdb 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -1058,9 +1058,3 @@ static void __exit exit_ch_module(void) module_init(init_ch_module); module_exit(exit_ch_module); - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c index 5d9eeac6717a..45ec9f16c085 100644 --- a/drivers/scsi/esas2r/esas2r_main.c +++ b/drivers/scsi/esas2r/esas2r_main.c @@ -616,6 +616,7 @@ static const struct file_operations esas2r_proc_fops = { }; static const struct proc_ops esas2r_proc_ops = { + .proc_lseek = default_llseek, .proc_ioctl = esas2r_proc_ioctl, #ifdef CONFIG_COMPAT .proc_compat_ioctl = compat_ptr_ioctl, diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index e619a82f921b..762cc8bd2653 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -102,7 +102,7 @@ static const char *fnic_fcpio_status_to_str(unsigned int status) return fcpio_status_str[status]; } -static void fnic_cleanup_io(struct fnic *fnic, int exclude_id); +static void fnic_cleanup_io(struct fnic *fnic); static inline spinlock_t *fnic_io_lock_hash(struct fnic *fnic, struct scsi_cmnd *sc) @@ -638,7 +638,7 @@ static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic, atomic64_inc(&reset_stats->fw_reset_completions); /* Clean up all outstanding io requests */ - fnic_cleanup_io(fnic, SCSI_NO_TAG); + fnic_cleanup_io(fnic); atomic64_set(&fnic->fnic_stats.fw_stats.active_fw_reqs, 0); atomic64_set(&fnic->fnic_stats.io_stats.active_ios, 0); @@ -1361,93 +1361,90 @@ int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do) return wq_work_done; } -static void fnic_cleanup_io(struct fnic *fnic, int exclude_id) +static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data, + bool reserved) { - int i; + struct fnic *fnic = data; struct fnic_io_req *io_req; unsigned long flags = 0; - struct scsi_cmnd *sc; spinlock_t *io_lock; unsigned long start_time = 0; struct fnic_stats *fnic_stats = &fnic->fnic_stats; - for (i = 0; i < fnic->fnic_max_tag_id; i++) { - if (i == exclude_id) - continue; - - io_lock = fnic_io_lock_tag(fnic, i); - spin_lock_irqsave(io_lock, flags); - sc = scsi_host_find_tag(fnic->lport->host, i); - if (!sc) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - - io_req = (struct fnic_io_req *)CMD_SP(sc); - if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && - !(CMD_FLAGS(sc) & FNIC_DEV_RST_DONE)) { - /* - * We will be here only when FW completes reset - * without sending completions for outstanding ios. - */ - CMD_FLAGS(sc) |= FNIC_DEV_RST_DONE; - if (io_req && io_req->dr_done) - complete(io_req->dr_done); - else if (io_req && io_req->abts_done) - complete(io_req->abts_done); - spin_unlock_irqrestore(io_lock, flags); - continue; - } else if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - if (!io_req) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - - CMD_SP(sc) = NULL; - - spin_unlock_irqrestore(io_lock, flags); + io_lock = fnic_io_lock_tag(fnic, sc->request->tag); + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && + !(CMD_FLAGS(sc) & FNIC_DEV_RST_DONE)) { /* - * If there is a scsi_cmnd associated with this io_req, then - * free the corresponding state + * We will be here only when FW completes reset + * without sending completions for outstanding ios. */ - start_time = io_req->start_time; - fnic_release_ioreq_buf(fnic, io_req, sc); - mempool_free(io_req, fnic->io_req_pool); + CMD_FLAGS(sc) |= FNIC_DEV_RST_DONE; + if (io_req && io_req->dr_done) + complete(io_req->dr_done); + else if (io_req && io_req->abts_done) + complete(io_req->abts_done); + spin_unlock_irqrestore(io_lock, flags); + return true; + } else if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { + spin_unlock_irqrestore(io_lock, flags); + return true; + } + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + goto cleanup_scsi_cmd; + } - sc->result = DID_TRANSPORT_DISRUPTED << 16; - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, - "%s: tag:0x%x : sc:0x%p duration = %lu DID_TRANSPORT_DISRUPTED\n", - __func__, sc->request->tag, sc, - (jiffies - start_time)); + CMD_SP(sc) = NULL; - if (atomic64_read(&fnic->io_cmpl_skip)) - atomic64_dec(&fnic->io_cmpl_skip); - else - atomic64_inc(&fnic_stats->io_stats.io_completions); + spin_unlock_irqrestore(io_lock, flags); - /* Complete the command to SCSI */ - if (sc->scsi_done) { - if (!(CMD_FLAGS(sc) & FNIC_IO_ISSUED)) - shost_printk(KERN_ERR, fnic->lport->host, - "Calling done for IO not issued to fw: tag:0x%x sc:0x%p\n", - sc->request->tag, sc); + /* + * If there is a scsi_cmnd associated with this io_req, then + * free the corresponding state + */ + start_time = io_req->start_time; + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); - FNIC_TRACE(fnic_cleanup_io, - sc->device->host->host_no, i, sc, - jiffies_to_msecs(jiffies - start_time), - 0, ((u64)sc->cmnd[0] << 32 | - (u64)sc->cmnd[2] << 24 | - (u64)sc->cmnd[3] << 16 | - (u64)sc->cmnd[4] << 8 | sc->cmnd[5]), - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); +cleanup_scsi_cmd: + sc->result = DID_TRANSPORT_DISRUPTED << 16; + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "fnic_cleanup_io: tag:0x%x : sc:0x%p duration = %lu DID_TRANSPORT_DISRUPTED\n", + sc->request->tag, sc, (jiffies - start_time)); - sc->scsi_done(sc); - } + if (atomic64_read(&fnic->io_cmpl_skip)) + atomic64_dec(&fnic->io_cmpl_skip); + else + atomic64_inc(&fnic_stats->io_stats.io_completions); + + /* Complete the command to SCSI */ + if (sc->scsi_done) { + if (!(CMD_FLAGS(sc) & FNIC_IO_ISSUED)) + shost_printk(KERN_ERR, fnic->lport->host, + "Calling done for IO not issued to fw: tag:0x%x sc:0x%p\n", + sc->request->tag, sc); + + FNIC_TRACE(fnic_cleanup_io, + sc->device->host->host_no, sc->request->tag, sc, + jiffies_to_msecs(jiffies - start_time), + 0, ((u64)sc->cmnd[0] << 32 | + (u64)sc->cmnd[2] << 24 | + (u64)sc->cmnd[3] << 16 | + (u64)sc->cmnd[4] << 8 | sc->cmnd[5]), + (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + + sc->scsi_done(sc); } + return true; +} + +static void fnic_cleanup_io(struct fnic *fnic) +{ + scsi_host_busy_iter(fnic->lport->host, + fnic_cleanup_io_iter, fnic); } void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, @@ -1558,143 +1555,141 @@ static inline int fnic_queue_abort_io_req(struct fnic *fnic, int tag, return 0; } -static void fnic_rport_exch_reset(struct fnic *fnic, u32 port_id) +struct fnic_rport_abort_io_iter_data { + struct fnic *fnic; + u32 port_id; + int term_cnt; +}; + +static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data, + bool reserved) { - int tag; - int abt_tag; - int term_cnt = 0; + struct fnic_rport_abort_io_iter_data *iter_data = data; + struct fnic *fnic = iter_data->fnic; + int abt_tag = sc->request->tag; struct fnic_io_req *io_req; spinlock_t *io_lock; unsigned long flags; - struct scsi_cmnd *sc; struct reset_stats *reset_stats = &fnic->fnic_stats.reset_stats; struct terminate_stats *term_stats = &fnic->fnic_stats.term_stats; struct scsi_lun fc_lun; enum fnic_ioreq_state old_ioreq_state; - FNIC_SCSI_DBG(KERN_DEBUG, - fnic->lport->host, - "fnic_rport_exch_reset called portid 0x%06x\n", - port_id); - - if (fnic->in_remove) - return; - - for (tag = 0; tag < fnic->fnic_max_tag_id; tag++) { - abt_tag = tag; - io_lock = fnic_io_lock_tag(fnic, tag); - spin_lock_irqsave(io_lock, flags); - sc = scsi_host_find_tag(fnic->lport->host, tag); - if (!sc) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } + io_lock = fnic_io_lock_tag(fnic, abt_tag); + spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = (struct fnic_io_req *)CMD_SP(sc); - if (!io_req || io_req->port_id != port_id) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } + if (!io_req || io_req->port_id != iter_data->port_id) { + spin_unlock_irqrestore(io_lock, flags); + return true; + } - if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && - (!(CMD_FLAGS(sc) & FNIC_DEV_RST_ISSUED))) { - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && + (!(CMD_FLAGS(sc) & FNIC_DEV_RST_ISSUED))) { + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "fnic_rport_exch_reset dev rst not pending sc 0x%p\n", sc); - spin_unlock_irqrestore(io_lock, flags); - continue; - } + spin_unlock_irqrestore(io_lock, flags); + return true; + } - /* - * Found IO that is still pending with firmware and - * belongs to rport that went away - */ - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - if (io_req->abts_done) { - shost_printk(KERN_ERR, fnic->lport->host, + /* + * Found IO that is still pending with firmware and + * belongs to rport that went away + */ + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + return true; + } + if (io_req->abts_done) { + shost_printk(KERN_ERR, fnic->lport->host, "fnic_rport_exch_reset: io_req->abts_done is set " "state is %s\n", fnic_ioreq_state_to_str(CMD_STATE(sc))); - } + } - if (!(CMD_FLAGS(sc) & FNIC_IO_ISSUED)) { - shost_printk(KERN_ERR, fnic->lport->host, - "rport_exch_reset " - "IO not yet issued %p tag 0x%x flags " - "%x state %d\n", - sc, tag, CMD_FLAGS(sc), CMD_STATE(sc)); - } - old_ioreq_state = CMD_STATE(sc); - CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; - CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { - atomic64_inc(&reset_stats->device_reset_terminates); - abt_tag = (tag | FNIC_TAG_DEV_RST); - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, - "fnic_rport_exch_reset dev rst sc 0x%p\n", - sc); - } + if (!(CMD_FLAGS(sc) & FNIC_IO_ISSUED)) { + shost_printk(KERN_ERR, fnic->lport->host, + "rport_exch_reset " + "IO not yet issued %p tag 0x%x flags " + "%x state %d\n", + sc, abt_tag, CMD_FLAGS(sc), CMD_STATE(sc)); + } + old_ioreq_state = CMD_STATE(sc); + CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; + CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { + atomic64_inc(&reset_stats->device_reset_terminates); + abt_tag |= FNIC_TAG_DEV_RST; + } + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "fnic_rport_exch_reset dev rst sc 0x%p\n", sc); + BUG_ON(io_req->abts_done); - BUG_ON(io_req->abts_done); + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "fnic_rport_reset_exch: Issuing abts\n"); - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, - "fnic_rport_reset_exch: Issuing abts\n"); + spin_unlock_irqrestore(io_lock, flags); + /* Now queue the abort command to firmware */ + int_to_scsilun(sc->device->lun, &fc_lun); + + if (fnic_queue_abort_io_req(fnic, abt_tag, + FCPIO_ITMF_ABT_TASK_TERM, + fc_lun.scsi_lun, io_req)) { + /* + * Revert the cmd state back to old state, if + * it hasn't changed in between. This cmd will get + * aborted later by scsi_eh, or cleaned up during + * lun reset + */ + spin_lock_irqsave(io_lock, flags); + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) + CMD_STATE(sc) = old_ioreq_state; spin_unlock_irqrestore(io_lock, flags); + } else { + spin_lock_irqsave(io_lock, flags); + if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) + CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; + else + CMD_FLAGS(sc) |= FNIC_IO_INTERNAL_TERM_ISSUED; + spin_unlock_irqrestore(io_lock, flags); + atomic64_inc(&term_stats->terminates); + iter_data->term_cnt++; + } + return true; +} - /* Now queue the abort command to firmware */ - int_to_scsilun(sc->device->lun, &fc_lun); +static void fnic_rport_exch_reset(struct fnic *fnic, u32 port_id) +{ + struct terminate_stats *term_stats = &fnic->fnic_stats.term_stats; + struct fnic_rport_abort_io_iter_data iter_data = { + .fnic = fnic, + .port_id = port_id, + .term_cnt = 0, + }; - if (fnic_queue_abort_io_req(fnic, abt_tag, - FCPIO_ITMF_ABT_TASK_TERM, - fc_lun.scsi_lun, io_req)) { - /* - * Revert the cmd state back to old state, if - * it hasn't changed in between. This cmd will get - * aborted later by scsi_eh, or cleaned up during - * lun reset - */ - spin_lock_irqsave(io_lock, flags); - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) - CMD_STATE(sc) = old_ioreq_state; - spin_unlock_irqrestore(io_lock, flags); - } else { - spin_lock_irqsave(io_lock, flags); - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) - CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; - else - CMD_FLAGS(sc) |= FNIC_IO_INTERNAL_TERM_ISSUED; - spin_unlock_irqrestore(io_lock, flags); - atomic64_inc(&term_stats->terminates); - term_cnt++; - } - } - if (term_cnt > atomic64_read(&term_stats->max_terminates)) - atomic64_set(&term_stats->max_terminates, term_cnt); + FNIC_SCSI_DBG(KERN_DEBUG, + fnic->lport->host, + "fnic_rport_exch_reset called portid 0x%06x\n", + port_id); + + if (fnic->in_remove) + return; + + scsi_host_busy_iter(fnic->lport->host, fnic_rport_abort_io_iter, + &iter_data); + if (iter_data.term_cnt > atomic64_read(&term_stats->max_terminates)) + atomic64_set(&term_stats->max_terminates, iter_data.term_cnt); } void fnic_terminate_rport_io(struct fc_rport *rport) { - int tag; - int abt_tag; - int term_cnt = 0; - struct fnic_io_req *io_req; - spinlock_t *io_lock; - unsigned long flags; - struct scsi_cmnd *sc; - struct scsi_lun fc_lun; struct fc_rport_libfc_priv *rdata; struct fc_lport *lport; struct fnic *fnic; - struct fc_rport *cmd_rport; - struct reset_stats *reset_stats; - struct terminate_stats *term_stats; - enum fnic_ioreq_state old_ioreq_state; if (!rport) { printk(KERN_ERR "fnic_terminate_rport_io: rport is NULL\n"); @@ -1722,108 +1717,7 @@ void fnic_terminate_rport_io(struct fc_rport *rport) if (fnic->in_remove) return; - reset_stats = &fnic->fnic_stats.reset_stats; - term_stats = &fnic->fnic_stats.term_stats; - - for (tag = 0; tag < fnic->fnic_max_tag_id; tag++) { - abt_tag = tag; - io_lock = fnic_io_lock_tag(fnic, tag); - spin_lock_irqsave(io_lock, flags); - sc = scsi_host_find_tag(fnic->lport->host, tag); - if (!sc) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - - io_req = (struct fnic_io_req *)CMD_SP(sc); - if (!io_req) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - - cmd_rport = starget_to_rport(scsi_target(sc->device)); - if (rport != cmd_rport) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - - if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && - (!(CMD_FLAGS(sc) & FNIC_DEV_RST_ISSUED))) { - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, - "fnic_terminate_rport_io dev rst not pending sc 0x%p\n", - sc); - spin_unlock_irqrestore(io_lock, flags); - continue; - } - /* - * Found IO that is still pending with firmware and - * belongs to rport that went away - */ - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - if (io_req->abts_done) { - shost_printk(KERN_ERR, fnic->lport->host, - "fnic_terminate_rport_io: io_req->abts_done is set " - "state is %s\n", - fnic_ioreq_state_to_str(CMD_STATE(sc))); - } - if (!(CMD_FLAGS(sc) & FNIC_IO_ISSUED)) { - FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, - "fnic_terminate_rport_io " - "IO not yet issued %p tag 0x%x flags " - "%x state %d\n", - sc, tag, CMD_FLAGS(sc), CMD_STATE(sc)); - } - old_ioreq_state = CMD_STATE(sc); - CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; - CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { - atomic64_inc(&reset_stats->device_reset_terminates); - abt_tag = (tag | FNIC_TAG_DEV_RST); - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, - "fnic_terminate_rport_io dev rst sc 0x%p\n", sc); - } - - BUG_ON(io_req->abts_done); - - FNIC_SCSI_DBG(KERN_DEBUG, - fnic->lport->host, - "fnic_terminate_rport_io: Issuing abts\n"); - - spin_unlock_irqrestore(io_lock, flags); - - /* Now queue the abort command to firmware */ - int_to_scsilun(sc->device->lun, &fc_lun); - - if (fnic_queue_abort_io_req(fnic, abt_tag, - FCPIO_ITMF_ABT_TASK_TERM, - fc_lun.scsi_lun, io_req)) { - /* - * Revert the cmd state back to old state, if - * it hasn't changed in between. This cmd will get - * aborted later by scsi_eh, or cleaned up during - * lun reset - */ - spin_lock_irqsave(io_lock, flags); - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) - CMD_STATE(sc) = old_ioreq_state; - spin_unlock_irqrestore(io_lock, flags); - } else { - spin_lock_irqsave(io_lock, flags); - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) - CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; - else - CMD_FLAGS(sc) |= FNIC_IO_INTERNAL_TERM_ISSUED; - spin_unlock_irqrestore(io_lock, flags); - atomic64_inc(&term_stats->terminates); - term_cnt++; - } - } - if (term_cnt > atomic64_read(&term_stats->max_terminates)) - atomic64_set(&term_stats->max_terminates, term_cnt); - + fnic_rport_exch_reset(fnic, rport->port_id); } /* @@ -2118,165 +2012,183 @@ lr_io_req_end: return ret; } -/* - * Clean up any pending aborts on the lun - * For each outstanding IO on this lun, whose abort is not completed by fw, - * issue a local abort. Wait for abort to complete. Return 0 if all commands - * successfully aborted, 1 otherwise - */ -static int fnic_clean_pending_aborts(struct fnic *fnic, - struct scsi_cmnd *lr_sc, - bool new_sc) +struct fnic_pending_aborts_iter_data { + struct fnic *fnic; + struct scsi_cmnd *lr_sc; + struct scsi_device *lun_dev; + int ret; +}; +static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, + void *data, bool reserved) { - int tag, abt_tag; + struct fnic_pending_aborts_iter_data *iter_data = data; + struct fnic *fnic = iter_data->fnic; + struct scsi_device *lun_dev = iter_data->lun_dev; + int abt_tag = sc->request->tag; struct fnic_io_req *io_req; spinlock_t *io_lock; unsigned long flags; - int ret = 0; - struct scsi_cmnd *sc; struct scsi_lun fc_lun; - struct scsi_device *lun_dev = lr_sc->device; DECLARE_COMPLETION_ONSTACK(tm_done); enum fnic_ioreq_state old_ioreq_state; - for (tag = 0; tag < fnic->fnic_max_tag_id; tag++) { - io_lock = fnic_io_lock_tag(fnic, tag); - spin_lock_irqsave(io_lock, flags); - sc = scsi_host_find_tag(fnic->lport->host, tag); - /* - * ignore this lun reset cmd if issued using new SC - * or cmds that do not belong to this lun - */ - if (!sc || ((sc == lr_sc) && new_sc) || sc->device != lun_dev) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - - io_req = (struct fnic_io_req *)CMD_SP(sc); + if (sc == iter_data->lr_sc || sc->device != lun_dev) + return true; + if (reserved) + return true; - if (!io_req || sc->device != lun_dev) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - - /* - * Found IO that is still pending with firmware and - * belongs to the LUN that we are resetting - */ - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, - "Found IO in %s on lun\n", - fnic_ioreq_state_to_str(CMD_STATE(sc))); - - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } - if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && - (!(CMD_FLAGS(sc) & FNIC_DEV_RST_ISSUED))) { - FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, - "%s dev rst not pending sc 0x%p\n", __func__, - sc); - spin_unlock_irqrestore(io_lock, flags); - continue; - } + io_lock = fnic_io_lock_tag(fnic, abt_tag); + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + return true; + } - if (io_req->abts_done) - shost_printk(KERN_ERR, fnic->lport->host, - "%s: io_req->abts_done is set state is %s\n", - __func__, fnic_ioreq_state_to_str(CMD_STATE(sc))); - old_ioreq_state = CMD_STATE(sc); - /* - * Any pending IO issued prior to reset is expected to be - * in abts pending state, if not we need to set - * FNIC_IOREQ_ABTS_PENDING to indicate the IO is abort pending. - * When IO is completed, the IO will be handed over and - * handled in this function. - */ - CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; + /* + * Found IO that is still pending with firmware and + * belongs to the LUN that we are resetting + */ + FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, + "Found IO in %s on lun\n", + fnic_ioreq_state_to_str(CMD_STATE(sc))); - BUG_ON(io_req->abts_done); + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + spin_unlock_irqrestore(io_lock, flags); + return true; + } + if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && + (!(CMD_FLAGS(sc) & FNIC_DEV_RST_ISSUED))) { + FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, + "%s dev rst not pending sc 0x%p\n", __func__, + sc); + spin_unlock_irqrestore(io_lock, flags); + return true; + } - abt_tag = tag; - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { - abt_tag |= FNIC_TAG_DEV_RST; - FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, - "%s: dev rst sc 0x%p\n", __func__, sc); - } + if (io_req->abts_done) + shost_printk(KERN_ERR, fnic->lport->host, + "%s: io_req->abts_done is set state is %s\n", + __func__, fnic_ioreq_state_to_str(CMD_STATE(sc))); + old_ioreq_state = CMD_STATE(sc); + /* + * Any pending IO issued prior to reset is expected to be + * in abts pending state, if not we need to set + * FNIC_IOREQ_ABTS_PENDING to indicate the IO is abort pending. + * When IO is completed, the IO will be handed over and + * handled in this function. + */ + CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; - CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; - io_req->abts_done = &tm_done; - spin_unlock_irqrestore(io_lock, flags); + BUG_ON(io_req->abts_done); - /* Now queue the abort command to firmware */ - int_to_scsilun(sc->device->lun, &fc_lun); + if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { + abt_tag |= FNIC_TAG_DEV_RST; + FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, + "%s: dev rst sc 0x%p\n", __func__, sc); + } - if (fnic_queue_abort_io_req(fnic, abt_tag, - FCPIO_ITMF_ABT_TASK_TERM, - fc_lun.scsi_lun, io_req)) { - spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); - if (io_req) - io_req->abts_done = NULL; - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) - CMD_STATE(sc) = old_ioreq_state; - spin_unlock_irqrestore(io_lock, flags); - ret = 1; - goto clean_pending_aborts_end; - } else { - spin_lock_irqsave(io_lock, flags); - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) - CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; - spin_unlock_irqrestore(io_lock, flags); - } - CMD_FLAGS(sc) |= FNIC_IO_INTERNAL_TERM_ISSUED; + CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + io_req->abts_done = &tm_done; + spin_unlock_irqrestore(io_lock, flags); - wait_for_completion_timeout(&tm_done, - msecs_to_jiffies - (fnic->config.ed_tov)); + /* Now queue the abort command to firmware */ + int_to_scsilun(sc->device->lun, &fc_lun); - /* Recheck cmd state to check if it is now aborted */ + if (fnic_queue_abort_io_req(fnic, abt_tag, + FCPIO_ITMF_ABT_TASK_TERM, + fc_lun.scsi_lun, io_req)) { spin_lock_irqsave(io_lock, flags); io_req = (struct fnic_io_req *)CMD_SP(sc); - if (!io_req) { - spin_unlock_irqrestore(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_REQ_NULL; - continue; - } + if (io_req) + io_req->abts_done = NULL; + if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) + CMD_STATE(sc) = old_ioreq_state; + spin_unlock_irqrestore(io_lock, flags); + iter_data->ret = FAILED; + return false; + } else { + spin_lock_irqsave(io_lock, flags); + if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) + CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; + spin_unlock_irqrestore(io_lock, flags); + } + CMD_FLAGS(sc) |= FNIC_IO_INTERNAL_TERM_ISSUED; - io_req->abts_done = NULL; + wait_for_completion_timeout(&tm_done, msecs_to_jiffies + (fnic->config.ed_tov)); - /* if abort is still pending with fw, fail */ - if (CMD_ABTS_STATUS(sc) == FCPIO_INVALID_CODE) { - spin_unlock_irqrestore(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_DONE; - ret = 1; - goto clean_pending_aborts_end; - } - CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE; + /* Recheck cmd state to check if it is now aborted */ + spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_REQ_NULL; + return true; + } - /* original sc used for lr is handled by dev reset code */ - if (sc != lr_sc) - CMD_SP(sc) = NULL; + io_req->abts_done = NULL; + + /* if abort is still pending with fw, fail */ + if (CMD_ABTS_STATUS(sc) == FCPIO_INVALID_CODE) { spin_unlock_irqrestore(io_lock, flags); + CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_DONE; + iter_data->ret = FAILED; + return false; + } + CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE; - /* original sc used for lr is handled by dev reset code */ - if (sc != lr_sc) { - fnic_release_ioreq_buf(fnic, io_req, sc); - mempool_free(io_req, fnic->io_req_pool); - } + /* original sc used for lr is handled by dev reset code */ + if (sc != iter_data->lr_sc) + CMD_SP(sc) = NULL; + spin_unlock_irqrestore(io_lock, flags); - /* - * Any IO is returned during reset, it needs to call scsi_done - * to return the scsi_cmnd to upper layer. - */ - if (sc->scsi_done) { - /* Set result to let upper SCSI layer retry */ - sc->result = DID_RESET << 16; - sc->scsi_done(sc); - } + /* original sc used for lr is handled by dev reset code */ + if (sc != iter_data->lr_sc) { + fnic_release_ioreq_buf(fnic, io_req, sc); + mempool_free(io_req, fnic->io_req_pool); } + /* + * Any IO is returned during reset, it needs to call scsi_done + * to return the scsi_cmnd to upper layer. + */ + if (sc->scsi_done) { + /* Set result to let upper SCSI layer retry */ + sc->result = DID_RESET << 16; + sc->scsi_done(sc); + } + return true; +} + +/* + * Clean up any pending aborts on the lun + * For each outstanding IO on this lun, whose abort is not completed by fw, + * issue a local abort. Wait for abort to complete. Return 0 if all commands + * successfully aborted, 1 otherwise + */ +static int fnic_clean_pending_aborts(struct fnic *fnic, + struct scsi_cmnd *lr_sc, + bool new_sc) + +{ + int ret = SUCCESS; + struct fnic_pending_aborts_iter_data iter_data = { + .fnic = fnic, + .lun_dev = lr_sc->device, + .ret = SUCCESS, + }; + + if (new_sc) + iter_data.lr_sc = lr_sc; + + scsi_host_busy_iter(fnic->lport->host, + fnic_pending_aborts_iter, &iter_data); + if (iter_data.ret == FAILED) { + ret = iter_data.ret; + goto clean_pending_aborts_end; + } schedule_timeout(msecs_to_jiffies(2 * fnic->config.ed_tov)); /* walk again to check, if IOs are still pending in fw */ @@ -2775,58 +2687,72 @@ call_fc_exch_mgr_reset: } -/* - * fnic_is_abts_pending() is a helper function that - * walks through tag map to check if there is any IOs pending,if there is one, - * then it returns 1 (true), otherwise 0 (false) - * if @lr_sc is non NULL, then it checks IOs specific to particular LUN, - * otherwise, it checks for all IOs. - */ -int fnic_is_abts_pending(struct fnic *fnic, struct scsi_cmnd *lr_sc) +static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data, + bool reserved) { - int tag; + struct fnic_pending_aborts_iter_data *iter_data = data; + struct fnic *fnic = iter_data->fnic; + int cmd_state; struct fnic_io_req *io_req; spinlock_t *io_lock; unsigned long flags; - int ret = 0; - struct scsi_cmnd *sc; - struct scsi_device *lun_dev = NULL; - if (lr_sc) - lun_dev = lr_sc->device; + /* + * ignore this lun reset cmd or cmds that do not belong to + * this lun + */ + if (iter_data->lr_sc && sc == iter_data->lr_sc) + return true; + if (iter_data->lun_dev && sc->device != iter_data->lun_dev) + return true; - /* walk again to check, if IOs are still pending in fw */ - for (tag = 0; tag < fnic->fnic_max_tag_id; tag++) { - sc = scsi_host_find_tag(fnic->lport->host, tag); - /* - * ignore this lun reset cmd or cmds that do not belong to - * this lun - */ - if (!sc || (lr_sc && (sc->device != lun_dev || sc == lr_sc))) - continue; + io_lock = fnic_io_lock_hash(fnic, sc); + spin_lock_irqsave(io_lock, flags); - io_lock = fnic_io_lock_hash(fnic, sc); - spin_lock_irqsave(io_lock, flags); + io_req = (struct fnic_io_req *)CMD_SP(sc); + if (!io_req) { + spin_unlock_irqrestore(io_lock, flags); + return true; + } - io_req = (struct fnic_io_req *)CMD_SP(sc); + /* + * Found IO that is still pending with firmware and + * belongs to the LUN that we are resetting + */ + FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, + "Found IO in %s on lun\n", + fnic_ioreq_state_to_str(CMD_STATE(sc))); + cmd_state = CMD_STATE(sc); + spin_unlock_irqrestore(io_lock, flags); + if (cmd_state == FNIC_IOREQ_ABTS_PENDING) + iter_data->ret = 1; - if (!io_req || sc->device != lun_dev) { - spin_unlock_irqrestore(io_lock, flags); - continue; - } + return iter_data->ret ? false : true; +} - /* - * Found IO that is still pending with firmware and - * belongs to the LUN that we are resetting - */ - FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, - "Found IO in %s on lun\n", - fnic_ioreq_state_to_str(CMD_STATE(sc))); +/* + * fnic_is_abts_pending() is a helper function that + * walks through tag map to check if there is any IOs pending,if there is one, + * then it returns 1 (true), otherwise 0 (false) + * if @lr_sc is non NULL, then it checks IOs specific to particular LUN, + * otherwise, it checks for all IOs. + */ +int fnic_is_abts_pending(struct fnic *fnic, struct scsi_cmnd *lr_sc) +{ + struct fnic_pending_aborts_iter_data iter_data = { + .fnic = fnic, + .lun_dev = NULL, + .ret = 0, + }; - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) - ret = 1; - spin_unlock_irqrestore(io_lock, flags); + if (lr_sc) { + iter_data.lun_dev = lr_sc->device; + iter_data.lr_sc = lr_sc; } - return ret; + /* walk again to check, if IOs are still pending in fw */ + scsi_host_busy_iter(fnic->lport->host, + fnic_abts_pending_iter, &iter_data); + + return iter_data.ret; } diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 1a3c534826ba..bc33d54a4011 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -7099,23 +7099,3 @@ ips_init_phase2(int index) MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING); MODULE_VERSION(IPS_VER_STRING); - - -/* - * Overrides for Emacs so that we almost follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-indent-level: 2 - * c-brace-imaginary-offset: 0 - * c-brace-offset: -2 - * c-argdecl-indent: 2 - * c-label-offset: -2 - * c-continued-statement-offset: 2 - * c-continued-brace-offset: 0 - * indent-tabs-mode: nil - * tab-width: 8 - * End: - */ diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h index 6c0678fb9a67..65edf000e447 100644 --- a/drivers/scsi/ips.h +++ b/drivers/scsi/ips.h @@ -1211,23 +1211,3 @@ typedef struct { IPS_COMPAT_TAMPA, \ IPS_COMPAT_KEYWEST \ } - - -/* - * Overrides for Emacs so that we almost follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-indent-level: 2 - * c-brace-imaginary-offset: 0 - * c-brace-offset: -2 - * c-argdecl-indent: 2 - * c-label-offset: -2 - * c-continued-statement-offset: 2 - * c-continued-brace-offset: 0 - * indent-tabs-mode: nil - * tab-width: 8 - * End: - */ diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c index de71d240a56f..6d14a7a94d0b 100644 --- a/drivers/scsi/lasi700.c +++ b/drivers/scsi/lasi700.c @@ -1,5 +1,4 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8 -*- */ /* PARISC LASI driver for the 53c700 chip * diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index c2776b88d493..38cfe1bc6a4d 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -934,7 +934,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, INIT_LIST_HEAD(&head); list_add_tail(&head, &piocbq->list); - ct_req = (struct lpfc_sli_ct_request *)bdeBuf1; + ct_req = (struct lpfc_sli_ct_request *)bdeBuf1->virt; evt_req_id = ct_req->FsType; cmd = ct_req->CommandResponse.bits.CmdRsp; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 1e4c792bb660..5f018d02bf56 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -254,13 +254,13 @@ lpfc_config_port_prep(struct lpfc_hba *phba) if (mb->un.varDmp.word_cnt == 0) break; - i = mb->un.varDmp.word_cnt * sizeof(uint32_t); - if (offset + i > DMP_VPD_SIZE) - i = DMP_VPD_SIZE - offset; + if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) + mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, - lpfc_vpd_data + offset, i); - offset += i; - } while (offset < DMP_VPD_SIZE); + lpfc_vpd_data + offset, + mb->un.varDmp.word_cnt); + offset += mb->un.varDmp.word_cnt; + } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); lpfc_parse_vpd(phba, lpfc_vpd_data, offset); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 06ccc0157bd8..573c8599d71c 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -11804,13 +11804,20 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, lpfc_ctx_cmd ctx_cmd) { struct lpfc_io_buf *lpfc_cmd; + IOCB_t *icmd = NULL; int rc = 1; if (!iocbq || iocbq->vport != vport) return rc; - if (!(iocbq->iocb_flag & LPFC_IO_FCP) || - !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) + if (!(iocbq->iocb_flag & LPFC_IO_FCP) || + !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ) || + iocbq->iocb_flag & LPFC_DRIVER_ABORTED) + return rc; + + icmd = &iocbq->iocb; + if (icmd->ulpCommand == CMD_ABORT_XRI_CN || + icmd->ulpCommand == CMD_CLOSE_XRI_CN) return rc; lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq); @@ -19770,7 +19777,7 @@ lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) LPFC_MBOXQ_t *pmb = NULL; MAILBOX_t *mb; uint32_t offset = 0; - int i, rc; + int rc; if (!rgn23_data) return 0; @@ -19801,13 +19808,14 @@ lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) if (mb->un.varDmp.word_cnt == 0) break; - i = mb->un.varDmp.word_cnt * sizeof(uint32_t); - if (offset + i > DMP_RGN23_SIZE) - i = DMP_RGN23_SIZE - offset; + if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset) + mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset; + lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, - rgn23_data + offset, i); - offset += i; - } while (offset < DMP_RGN23_SIZE); + rgn23_data + offset, + mb->un.varDmp.word_cnt); + offset += mb->un.varDmp.word_cnt; + } while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE); mempool_free(pmb, phba->mbox_mem_pool); return offset; diff --git a/drivers/scsi/megaraid/mbox_defs.h b/drivers/scsi/megaraid/mbox_defs.h index 01a1bfb8ea2a..f0ef8f7f82c1 100644 --- a/drivers/scsi/megaraid/mbox_defs.h +++ b/drivers/scsi/megaraid/mbox_defs.h @@ -781,5 +781,3 @@ typedef struct { } __attribute__ ((packed)) mbox_sgl32; #endif // _MRAID_MBOX_DEFS_H_ - -/* vim: set ts=8 sw=8 tw=78: */ diff --git a/drivers/scsi/megaraid/mega_common.h b/drivers/scsi/megaraid/mega_common.h index 3a7596e47a88..2ad0aa2f837d 100644 --- a/drivers/scsi/megaraid/mega_common.h +++ b/drivers/scsi/megaraid/mega_common.h @@ -282,5 +282,3 @@ struct mraid_pci_blk { }; #endif // _MEGA_COMMON_H_ - -// vim: set ts=8 sw=8 tw=78: diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index b1a2d3536add..145fde302d7d 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -4068,5 +4068,3 @@ megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, cha */ module_init(megaraid_init); module_exit(megaraid_exit); - -/* vim: set ts=8 sw=8 tw=78 ai si: */ diff --git a/drivers/scsi/megaraid/megaraid_mbox.h b/drivers/scsi/megaraid/megaraid_mbox.h index 3e4347c6dab1..d2fe7f69cd5d 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.h +++ b/drivers/scsi/megaraid/megaraid_mbox.h @@ -230,5 +230,3 @@ typedef struct { #define WROUTDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x2C) #endif // _MEGARAID_H_ - -// vim: set ts=8 sw=8 tw=78: diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 8f35174a1f9a..928da90b79be 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -4403,15 +4403,3 @@ MODULE_FIRMWARE("qlogic/1040.bin"); MODULE_FIRMWARE("qlogic/1280.bin"); MODULE_FIRMWARE("qlogic/12160.bin"); MODULE_VERSION(QLA1280_VERSION); - -/* - * Overrides for Emacs so that we almost follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 9c5782e946e0..0de250570e39 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1195,6 +1195,9 @@ static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport) { struct qla_work_evt *e; + if (vha->host->active_mode == MODE_TARGET) + return QLA_FUNCTION_FAILED; + e = qla2x00_alloc_work(vha, QLA_EVT_PRLI); if (!e) return QLA_FUNCTION_FAILED; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index d74c32f84ef5..4eab564ea6a0 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -7707,6 +7707,7 @@ struct scsi_host_template qla2xxx_driver_template = { .eh_timed_out = fc_eh_timed_out, .eh_abort_handler = qla2xxx_eh_abort, + .eh_should_retry_cmd = fc_eh_should_retry_cmd, .eh_device_reset_handler = qla2xxx_eh_device_reset, .eh_target_reset_handler = qla2xxx_eh_target_reset, .eh_bus_reset_handler = qla2xxx_eh_bus_reset, diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 70165be10f00..a5d1633b5bd8 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -218,7 +218,7 @@ static const char *sdebug_version_date = "20200710"; */ #define SDEBUG_CANQUEUE_WORDS 3 /* a WORD is bits in a long */ #define SDEBUG_CANQUEUE (SDEBUG_CANQUEUE_WORDS * BITS_PER_LONG) -#define DEF_CMD_PER_LUN 255 +#define DEF_CMD_PER_LUN SDEBUG_CANQUEUE /* UA - Unit Attention; SA - Service Action; SSU - Start Stop Unit */ #define F_D_IN 1 /* Data-in command (e.g. READ) */ @@ -5695,8 +5695,8 @@ MODULE_PARM_DESC(lbpu, "enable LBP, support UNMAP command (def=0)"); MODULE_PARM_DESC(lbpws, "enable LBP, support WRITE SAME(16) with UNMAP bit (def=0)"); MODULE_PARM_DESC(lbpws10, "enable LBP, support WRITE SAME(10) with UNMAP bit (def=0)"); MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)"); -MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)"); MODULE_PARM_DESC(lun_format, "LUN format: 0->peripheral (def); 1 --> flat address method"); +MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)"); MODULE_PARM_DESC(max_queue, "max number of queued commands (1 to max(def))"); MODULE_PARM_DESC(medium_error_count, "count of sectors to return follow on MEDIUM error"); MODULE_PARM_DESC(medium_error_start, "starting sector number to return MEDIUM error"); @@ -5710,7 +5710,7 @@ MODULE_PARM_DESC(opt_xferlen_exp, "optimal transfer length granularity exponent MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)"); MODULE_PARM_DESC(per_host_store, "If set, next positive add_host will get new store (def=0)"); MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)"); -MODULE_PARM_DESC(poll_queues, "support for iouring iopoll queues (1 to max(submit_queues - 1)"); +MODULE_PARM_DESC(poll_queues, "support for iouring iopoll queues (1 to max(submit_queues - 1))"); MODULE_PARM_DESC(ptype, "SCSI peripheral type(def=0[disk])"); MODULE_PARM_DESC(random, "If set, uniformly randomize command duration between 0 and delay_in_ns"); MODULE_PARM_DESC(removable, "claim to have removable media (def=0)"); @@ -7165,12 +7165,15 @@ static int sdebug_change_qdepth(struct scsi_device *sdev, int qdepth) } num_in_q = atomic_read(&devip->num_in_q); + if (qdepth > SDEBUG_CANQUEUE) { + qdepth = SDEBUG_CANQUEUE; + pr_warn("%s: requested qdepth [%d] exceeds canqueue [%d], trim\n", __func__, + qdepth, SDEBUG_CANQUEUE); + } if (qdepth < 1) qdepth = 1; - /* allow to exceed max host qc_arr elements for testing */ - if (qdepth > SDEBUG_CANQUEUE + 10) - qdepth = SDEBUG_CANQUEUE + 10; - scsi_change_queue_depth(sdev, qdepth); + if (qdepth != sdev->queue_depth) + scsi_change_queue_depth(sdev, qdepth); if (SDEBUG_OPT_Q_NOISE & sdebug_opts) { sdev_printk(KERN_INFO, sdev, "%s: qdepth=%d, num_in_q=%d\n", @@ -7558,6 +7561,7 @@ static int sdebug_driver_probe(struct device *dev) sdbg_host = to_sdebug_host(dev); sdebug_driver_template.can_queue = sdebug_max_queue; + sdebug_driver_template.cmd_per_lun = sdebug_max_queue; if (!sdebug_clustering) sdebug_driver_template.dma_boundary = PAGE_SIZE - 1; @@ -7593,7 +7597,11 @@ static int sdebug_driver_probe(struct device *dev) * If condition not met, trim poll_queues to 1 (just for simplicity). */ if (poll_queues >= submit_queues) { - pr_warn("%s: trim poll_queues to 1\n", my_name); + if (submit_queues < 3) + pr_warn("%s: trim poll_queues to 1\n", my_name); + else + pr_warn("%s: trim poll_queues to 1. Perhaps try poll_queues=%d\n", + my_name, submit_queues - 1); poll_queues = 1; } if (poll_queues) diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c index f1553a453616..0ffdb8f2995f 100644 --- a/drivers/scsi/scsicam.c +++ b/drivers/scsi/scsicam.c @@ -17,6 +17,7 @@ #include <linux/genhd.h> #include <linux/kernel.h> #include <linux/blkdev.h> +#include <linux/pagemap.h> #include <linux/msdos_partition.h> #include <asm/unaligned.h> diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c index 97c6f81b1d2a..678651b9b4dd 100644 --- a/drivers/scsi/sni_53c710.c +++ b/drivers/scsi/sni_53c710.c @@ -1,5 +1,4 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8 -*- */ /* SNI RM driver * diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index d7c3cff9662f..5d0e98a05ada 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -9,7 +9,7 @@ #include "ufs.h" #include "ufs-sysfs.h" -static const char *ufschd_uic_link_state_to_string( +static const char *ufshcd_uic_link_state_to_string( enum uic_link_state state) { switch (state) { @@ -21,7 +21,7 @@ static const char *ufschd_uic_link_state_to_string( } } -static const char *ufschd_ufs_dev_pwr_mode_to_string( +static const char *ufshcd_ufs_dev_pwr_mode_to_string( enum ufs_dev_pwr_mode state) { switch (state) { @@ -81,7 +81,7 @@ static ssize_t rpm_target_dev_state_show(struct device *dev, { struct ufs_hba *hba = dev_get_drvdata(dev); - return sysfs_emit(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string( + return sysfs_emit(buf, "%s\n", ufshcd_ufs_dev_pwr_mode_to_string( ufs_pm_lvl_states[hba->rpm_lvl].dev_state)); } @@ -90,7 +90,7 @@ static ssize_t rpm_target_link_state_show(struct device *dev, { struct ufs_hba *hba = dev_get_drvdata(dev); - return sysfs_emit(buf, "%s\n", ufschd_uic_link_state_to_string( + return sysfs_emit(buf, "%s\n", ufshcd_uic_link_state_to_string( ufs_pm_lvl_states[hba->rpm_lvl].link_state)); } @@ -113,7 +113,7 @@ static ssize_t spm_target_dev_state_show(struct device *dev, { struct ufs_hba *hba = dev_get_drvdata(dev); - return sysfs_emit(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string( + return sysfs_emit(buf, "%s\n", ufshcd_ufs_dev_pwr_mode_to_string( ufs_pm_lvl_states[hba->spm_lvl].dev_state)); } @@ -122,7 +122,7 @@ static ssize_t spm_target_link_state_show(struct device *dev, { struct ufs_hba *hba = dev_get_drvdata(dev); - return sysfs_emit(buf, "%s\n", ufschd_uic_link_state_to_string( + return sysfs_emit(buf, "%s\n", ufshcd_uic_link_state_to_string( ufs_pm_lvl_states[hba->spm_lvl].link_state)); } diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0625da7a42ee..3eb54937f1d8 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8593,7 +8593,7 @@ static void ufshcd_vreg_set_lpm(struct ufs_hba *hba) } else if (!ufshcd_is_ufs_dev_active(hba)) { ufshcd_toggle_vreg(hba->dev, hba->vreg_info.vcc, false); vcc_off = true; - if (!ufshcd_is_link_active(hba)) { + if (ufshcd_is_link_hibern8(hba) || ufshcd_is_link_off(hba)) { ufshcd_config_vreg_lpm(hba, hba->vreg_info.vccq); ufshcd_config_vreg_lpm(hba, hba->vreg_info.vccq2); } @@ -8615,7 +8615,7 @@ static int ufshcd_vreg_set_hpm(struct ufs_hba *hba) !hba->dev_info.is_lu_power_on_wp) { ret = ufshcd_setup_vreg(hba, true); } else if (!ufshcd_is_ufs_dev_active(hba)) { - if (!ret && !ufshcd_is_link_active(hba)) { + if (!ufshcd_is_link_active(hba)) { ret = ufshcd_config_vreg_hpm(hba, hba->vreg_info.vccq); if (ret) goto vcc_disable; @@ -8975,10 +8975,13 @@ int ufshcd_system_suspend(struct ufs_hba *hba) if (!hba->is_powered) return 0; + cancel_delayed_work_sync(&hba->rpm_dev_flush_recheck_work); + if ((ufs_get_pm_lvl_to_dev_pwr_mode(hba->spm_lvl) == hba->curr_dev_pwr_mode) && (ufs_get_pm_lvl_to_link_pwr_state(hba->spm_lvl) == hba->uic_link_state) && + pm_runtime_suspended(hba->dev) && !hba->dev_info.b_rpm_dev_flush_capable) goto out; diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index eec2fd573e2b..198d25ae482a 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1413,7 +1413,7 @@ static int tcmu_run_tmr_queue(struct tcmu_dev *udev) return 1; } -static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) +static bool tcmu_handle_completions(struct tcmu_dev *udev) { struct tcmu_mailbox *mb; struct tcmu_cmd *cmd; @@ -1456,7 +1456,7 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) pr_err("cmd_id %u not found, ring is broken\n", entry->hdr.cmd_id); set_bit(TCMU_DEV_BIT_BROKEN, &udev->flags); - break; + return false; } tcmu_handle_completion(cmd, entry); diff --git a/drivers/tty/vt/.gitignore b/drivers/tty/vt/.gitignore index 3ecf42234d89..0221709b177d 100644 --- a/drivers/tty/vt/.gitignore +++ b/drivers/tty/vt/.gitignore @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -conmakehash -consolemap_deftbl.c -defkeymap.c +/conmakehash +/consolemap_deftbl.c +/defkeymap.c diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c index a3853421b263..4325bf7f388c 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.c +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -2608,12 +2608,3 @@ EXPORT_SYMBOL(matroxfb_register_driver); EXPORT_SYMBOL(matroxfb_unregister_driver); EXPORT_SYMBOL(matroxfb_wait_for_sync); EXPORT_SYMBOL(matroxfb_enable_irq); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ - diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c index 1e8a38a7967d..e2757ff1c23d 100644 --- a/drivers/video/fbdev/vga16fb.c +++ b/drivers/video/fbdev/vga16fb.c @@ -1451,13 +1451,3 @@ MODULE_DESCRIPTION("Legacy VGA framebuffer device driver"); MODULE_LICENSE("GPL"); module_init(vga16fb_init); module_exit(vga16fb_exit); - - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ - diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 39def020a074..cdb99507ef33 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -583,7 +583,7 @@ static struct attribute *v9fs_attrs[] = { NULL, }; -static struct attribute_group v9fs_attr_group = { +static const struct attribute_group v9fs_attr_group = { .attrs = v9fs_attrs, }; diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 649f04f112dc..59c32c9b799f 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -86,8 +86,8 @@ int v9fs_file_open(struct inode *inode, struct file *file) * to work. */ writeback_fid = v9fs_writeback_fid(file_dentry(file)); - if (IS_ERR(fid)) { - err = PTR_ERR(fid); + if (IS_ERR(writeback_fid)) { + err = PTR_ERR(writeback_fid); mutex_unlock(&v9inode->v_mutex); goto out_error; } diff --git a/fs/Kconfig b/fs/Kconfig index 89a750d292ba..141a856c50e7 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -338,8 +338,8 @@ config NFS_COMMON default y config NFS_V4_2_SSC_HELPER - tristate - default y if NFS_V4=y || NFS_FS=y + bool + default y if NFS_V4_2 source "net/sunrpc/Kconfig" source "fs/ceph/Kconfig" diff --git a/fs/block_dev.c b/fs/block_dev.c index 9114e0a0e7b4..b8abccd03e5d 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1677,6 +1677,7 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from) struct inode *bd_inode = bdev_file_inode(file); loff_t size = i_size_read(bd_inode); struct blk_plug plug; + size_t shorted = 0; ssize_t ret; if (bdev_read_only(I_BDEV(bd_inode))) @@ -1694,12 +1695,17 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from) if ((iocb->ki_flags & (IOCB_NOWAIT | IOCB_DIRECT)) == IOCB_NOWAIT) return -EOPNOTSUPP; - iov_iter_truncate(from, size - iocb->ki_pos); + size -= iocb->ki_pos; + if (iov_iter_count(from) > size) { + shorted = iov_iter_count(from) - size; + iov_iter_truncate(from, size); + } blk_start_plug(&plug); ret = __generic_file_write_iter(iocb, from); if (ret > 0) ret = generic_write_sync(iocb, ret); + iov_iter_reexpand(from, iov_iter_count(from) + shorted); blk_finish_plug(&plug); return ret; } @@ -1711,13 +1717,21 @@ ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to) struct inode *bd_inode = bdev_file_inode(file); loff_t size = i_size_read(bd_inode); loff_t pos = iocb->ki_pos; + size_t shorted = 0; + ssize_t ret; if (pos >= size) return 0; size -= pos; - iov_iter_truncate(to, size); - return generic_file_read_iter(iocb, to); + if (iov_iter_count(to) > size) { + shorted = iov_iter_count(to) - size; + iov_iter_truncate(to, size); + } + + ret = generic_file_read_iter(iocb, to); + iov_iter_reexpand(to, iov_iter_count(to) + shorted); + return ret; } EXPORT_SYMBOL_GPL(blkdev_read_iter); diff --git a/fs/ceph/Kconfig b/fs/ceph/Kconfig index 471e40156065..94df854147d3 100644 --- a/fs/ceph/Kconfig +++ b/fs/ceph/Kconfig @@ -6,6 +6,7 @@ config CEPH_FS select LIBCRC32C select CRYPTO_AES select CRYPTO + select NETFS_SUPPORT default n help Choose Y or M here to include support for mounting the diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 26e66436f005..c1570fada3d8 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -12,6 +12,7 @@ #include <linux/signal.h> #include <linux/iversion.h> #include <linux/ktime.h> +#include <linux/netfs.h> #include "super.h" #include "mds_client.h" @@ -61,6 +62,9 @@ (CONGESTION_ON_THRESH(congestion_kb) - \ (CONGESTION_ON_THRESH(congestion_kb) >> 2)) +static int ceph_netfs_check_write_begin(struct file *file, loff_t pos, unsigned int len, + struct page *page, void **_fsdata); + static inline struct ceph_snap_context *page_snap_context(struct page *page) { if (PagePrivate(page)) @@ -124,8 +128,7 @@ static int ceph_set_page_dirty(struct page *page) * PagePrivate so that we get invalidatepage callback. */ BUG_ON(PagePrivate(page)); - page->private = (unsigned long)snapc; - SetPagePrivate(page); + attach_page_private(page, snapc); ret = __set_page_dirty_nobuffers(page); WARN_ON(!PageLocked(page)); @@ -144,19 +147,19 @@ static void ceph_invalidatepage(struct page *page, unsigned int offset, { struct inode *inode; struct ceph_inode_info *ci; - struct ceph_snap_context *snapc = page_snap_context(page); + struct ceph_snap_context *snapc; + + wait_on_page_fscache(page); inode = page->mapping->host; ci = ceph_inode(inode); - if (offset != 0 || length != PAGE_SIZE) { + if (offset != 0 || length != thp_size(page)) { dout("%p invalidatepage %p idx %lu partial dirty page %u~%u\n", inode, page, page->index, offset, length); return; } - ceph_invalidate_fscache_page(inode, page); - WARN_ON(!PageLocked(page)); if (!PagePrivate(page)) return; @@ -164,333 +167,222 @@ static void ceph_invalidatepage(struct page *page, unsigned int offset, dout("%p invalidatepage %p idx %lu full dirty page\n", inode, page, page->index); + snapc = detach_page_private(page); ceph_put_wrbuffer_cap_refs(ci, 1, snapc); ceph_put_snap_context(snapc); - page->private = 0; - ClearPagePrivate(page); } -static int ceph_releasepage(struct page *page, gfp_t g) +static int ceph_releasepage(struct page *page, gfp_t gfp) { dout("%p releasepage %p idx %lu (%sdirty)\n", page->mapping->host, page, page->index, PageDirty(page) ? "" : "not "); - /* Can we release the page from the cache? */ - if (!ceph_release_fscache_page(page, g)) - return 0; - + if (PageFsCache(page)) { + if (!(gfp & __GFP_DIRECT_RECLAIM) || !(gfp & __GFP_FS)) + return 0; + wait_on_page_fscache(page); + } return !PagePrivate(page); } -/* read a single page, without unlocking it. */ -static int ceph_do_readpage(struct file *filp, struct page *page) +static void ceph_netfs_expand_readahead(struct netfs_read_request *rreq) { - struct inode *inode = file_inode(filp); + struct inode *inode = rreq->mapping->host; struct ceph_inode_info *ci = ceph_inode(inode); - struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_osd_client *osdc = &fsc->client->osdc; - struct ceph_osd_request *req; - struct ceph_vino vino = ceph_vino(inode); - int err = 0; - u64 off = page_offset(page); - u64 len = PAGE_SIZE; - - if (off >= i_size_read(inode)) { - zero_user_segment(page, 0, PAGE_SIZE); - SetPageUptodate(page); - return 0; - } - - if (ci->i_inline_version != CEPH_INLINE_NONE) { - /* - * Uptodate inline data should have been added - * into page cache while getting Fcr caps. - */ - if (off == 0) - return -EINVAL; - zero_user_segment(page, 0, PAGE_SIZE); - SetPageUptodate(page); - return 0; - } - - err = ceph_readpage_from_fscache(inode, page); - if (err == 0) - return -EINPROGRESS; - - dout("readpage ino %llx.%llx file %p off %llu len %llu page %p index %lu\n", - vino.ino, vino.snap, filp, off, len, page, page->index); - req = ceph_osdc_new_request(osdc, &ci->i_layout, vino, off, &len, 0, 1, - CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, - ci->i_truncate_seq, ci->i_truncate_size, - false); - if (IS_ERR(req)) - return PTR_ERR(req); + struct ceph_file_layout *lo = &ci->i_layout; + u32 blockoff; + u64 blockno; - osd_req_op_extent_osd_data_pages(req, 0, &page, len, 0, false, false); + /* Expand the start downward */ + blockno = div_u64_rem(rreq->start, lo->stripe_unit, &blockoff); + rreq->start = blockno * lo->stripe_unit; + rreq->len += blockoff; - err = ceph_osdc_start_request(osdc, req, false); - if (!err) - err = ceph_osdc_wait_request(osdc, req); - - ceph_update_read_latency(&fsc->mdsc->metric, req->r_start_latency, - req->r_end_latency, err); - - ceph_osdc_put_request(req); - dout("readpage result %d\n", err); - - if (err == -ENOENT) - err = 0; - if (err < 0) { - ceph_fscache_readpage_cancel(inode, page); - if (err == -EBLOCKLISTED) - fsc->blocklisted = true; - goto out; - } - if (err < PAGE_SIZE) - /* zero fill remainder of page */ - zero_user_segment(page, err, PAGE_SIZE); - else - flush_dcache_page(page); - - SetPageUptodate(page); - ceph_readpage_to_fscache(inode, page); - -out: - return err < 0 ? err : 0; + /* Now, round up the length to the next block */ + rreq->len = roundup(rreq->len, lo->stripe_unit); } -static int ceph_readpage(struct file *filp, struct page *page) +static bool ceph_netfs_clamp_length(struct netfs_read_subrequest *subreq) { - int r = ceph_do_readpage(filp, page); - if (r != -EINPROGRESS) - unlock_page(page); - else - r = 0; - return r; + struct inode *inode = subreq->rreq->mapping->host; + struct ceph_fs_client *fsc = ceph_inode_to_client(inode); + struct ceph_inode_info *ci = ceph_inode(inode); + u64 objno, objoff; + u32 xlen; + + /* Truncate the extent at the end of the current block */ + ceph_calc_file_object_mapping(&ci->i_layout, subreq->start, subreq->len, + &objno, &objoff, &xlen); + subreq->len = min(xlen, fsc->mount_options->rsize); + return true; } -/* - * Finish an async read(ahead) op. - */ -static void finish_read(struct ceph_osd_request *req) +static void finish_netfs_read(struct ceph_osd_request *req) { - struct inode *inode = req->r_inode; - struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_osd_data *osd_data; - int rc = req->r_result <= 0 ? req->r_result : 0; - int bytes = req->r_result >= 0 ? req->r_result : 0; + struct ceph_fs_client *fsc = ceph_inode_to_client(req->r_inode); + struct ceph_osd_data *osd_data = osd_req_op_extent_osd_data(req, 0); + struct netfs_read_subrequest *subreq = req->r_priv; int num_pages; - int i; + int err = req->r_result; - dout("finish_read %p req %p rc %d bytes %d\n", inode, req, rc, bytes); - if (rc == -EBLOCKLISTED) - ceph_inode_to_client(inode)->blocklisted = true; + ceph_update_read_metrics(&fsc->mdsc->metric, req->r_start_latency, + req->r_end_latency, err); - /* unlock all pages, zeroing any data we didn't read */ - osd_data = osd_req_op_extent_osd_data(req, 0); - BUG_ON(osd_data->type != CEPH_OSD_DATA_TYPE_PAGES); - num_pages = calc_pages_for((u64)osd_data->alignment, - (u64)osd_data->length); - for (i = 0; i < num_pages; i++) { - struct page *page = osd_data->pages[i]; - - if (rc < 0 && rc != -ENOENT) { - ceph_fscache_readpage_cancel(inode, page); - goto unlock; - } - if (bytes < (int)PAGE_SIZE) { - /* zero (remainder of) page */ - int s = bytes < 0 ? 0 : bytes; - zero_user_segment(page, s, PAGE_SIZE); - } - dout("finish_read %p uptodate %p idx %lu\n", inode, page, - page->index); - flush_dcache_page(page); - SetPageUptodate(page); - ceph_readpage_to_fscache(inode, page); -unlock: - unlock_page(page); - put_page(page); - bytes -= PAGE_SIZE; - } + dout("%s: result %d subreq->len=%zu i_size=%lld\n", __func__, req->r_result, + subreq->len, i_size_read(req->r_inode)); - ceph_update_read_latency(&fsc->mdsc->metric, req->r_start_latency, - req->r_end_latency, rc); + /* no object means success but no data */ + if (err == -ENOENT) + err = 0; + else if (err == -EBLOCKLISTED) + fsc->blocklisted = true; + + if (err >= 0 && err < subreq->len) + __set_bit(NETFS_SREQ_CLEAR_TAIL, &subreq->flags); + + netfs_subreq_terminated(subreq, err, true); - kfree(osd_data->pages); + num_pages = calc_pages_for(osd_data->alignment, osd_data->length); + ceph_put_page_vector(osd_data->pages, num_pages, false); + iput(req->r_inode); } -/* - * start an async read(ahead) operation. return nr_pages we submitted - * a read for on success, or negative error code. - */ -static int start_read(struct inode *inode, struct ceph_rw_context *rw_ctx, - struct list_head *page_list, int max) +static void ceph_netfs_issue_op(struct netfs_read_subrequest *subreq) { - struct ceph_osd_client *osdc = - &ceph_inode_to_client(inode)->client->osdc; + struct netfs_read_request *rreq = subreq->rreq; + struct inode *inode = rreq->mapping->host; struct ceph_inode_info *ci = ceph_inode(inode); - struct page *page = lru_to_page(page_list); - struct ceph_vino vino; + struct ceph_fs_client *fsc = ceph_inode_to_client(inode); struct ceph_osd_request *req; - u64 off; - u64 len; - int i; + struct ceph_vino vino = ceph_vino(inode); + struct iov_iter iter; struct page **pages; - pgoff_t next_index; - int nr_pages = 0; - int got = 0; - int ret = 0; - - if (!rw_ctx) { - /* caller of readpages does not hold buffer and read caps - * (fadvise, madvise and readahead cases) */ - int want = CEPH_CAP_FILE_CACHE; - ret = ceph_try_get_caps(inode, CEPH_CAP_FILE_RD, want, - true, &got); - if (ret < 0) { - dout("start_read %p, error getting cap\n", inode); - } else if (!(got & want)) { - dout("start_read %p, no cache cap\n", inode); - ret = 0; - } - if (ret <= 0) { - if (got) - ceph_put_cap_refs(ci, got); - while (!list_empty(page_list)) { - page = lru_to_page(page_list); - list_del(&page->lru); - put_page(page); - } - return ret; - } - } - - off = (u64) page_offset(page); + size_t page_off; + int err = 0; + u64 len = subreq->len; - /* count pages */ - next_index = page->index; - list_for_each_entry_reverse(page, page_list, lru) { - if (page->index != next_index) - break; - nr_pages++; - next_index++; - if (max && nr_pages == max) - break; - } - len = nr_pages << PAGE_SHIFT; - dout("start_read %p nr_pages %d is %lld~%lld\n", inode, nr_pages, - off, len); - vino = ceph_vino(inode); - req = ceph_osdc_new_request(osdc, &ci->i_layout, vino, off, &len, - 0, 1, CEPH_OSD_OP_READ, - CEPH_OSD_FLAG_READ, NULL, - ci->i_truncate_seq, ci->i_truncate_size, - false); + req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout, vino, subreq->start, &len, + 0, 1, CEPH_OSD_OP_READ, + CEPH_OSD_FLAG_READ | fsc->client->osdc.client->options->read_from_replica, + NULL, ci->i_truncate_seq, ci->i_truncate_size, false); if (IS_ERR(req)) { - ret = PTR_ERR(req); + err = PTR_ERR(req); + req = NULL; goto out; } - /* build page vector */ - nr_pages = calc_pages_for(0, len); - pages = kmalloc_array(nr_pages, sizeof(*pages), GFP_KERNEL); - if (!pages) { - ret = -ENOMEM; - goto out_put; - } - for (i = 0; i < nr_pages; ++i) { - page = list_entry(page_list->prev, struct page, lru); - BUG_ON(PageLocked(page)); - list_del(&page->lru); - - dout("start_read %p adding %p idx %lu\n", inode, page, - page->index); - if (add_to_page_cache_lru(page, &inode->i_data, page->index, - GFP_KERNEL)) { - ceph_fscache_uncache_page(inode, page); - put_page(page); - dout("start_read %p add_to_page_cache failed %p\n", - inode, page); - nr_pages = i; - if (nr_pages > 0) { - len = nr_pages << PAGE_SHIFT; - osd_req_op_extent_update(req, 0, len); - break; - } - goto out_pages; - } - pages[i] = page; + dout("%s: pos=%llu orig_len=%zu len=%llu\n", __func__, subreq->start, subreq->len, len); + iov_iter_xarray(&iter, READ, &rreq->mapping->i_pages, subreq->start, len); + err = iov_iter_get_pages_alloc(&iter, &pages, len, &page_off); + if (err < 0) { + dout("%s: iov_ter_get_pages_alloc returned %d\n", __func__, err); + goto out; } + + /* should always give us a page-aligned read */ + WARN_ON_ONCE(page_off); + len = err; + osd_req_op_extent_osd_data_pages(req, 0, pages, len, 0, false, false); - req->r_callback = finish_read; + req->r_callback = finish_netfs_read; + req->r_priv = subreq; req->r_inode = inode; + ihold(inode); - dout("start_read %p starting %p %lld~%lld\n", inode, req, off, len); - ret = ceph_osdc_start_request(osdc, req, false); - if (ret < 0) - goto out_pages; + err = ceph_osdc_start_request(req->r_osdc, req, false); + if (err) + iput(inode); +out: ceph_osdc_put_request(req); + if (err) + netfs_subreq_terminated(subreq, err, false); + dout("%s: result %d\n", __func__, err); +} - /* After adding locked pages to page cache, the inode holds cache cap. - * So we can drop our cap refs. */ - if (got) - ceph_put_cap_refs(ci, got); +static void ceph_init_rreq(struct netfs_read_request *rreq, struct file *file) +{ +} - return nr_pages; +static void ceph_readahead_cleanup(struct address_space *mapping, void *priv) +{ + struct inode *inode = mapping->host; + struct ceph_inode_info *ci = ceph_inode(inode); + int got = (uintptr_t)priv; -out_pages: - for (i = 0; i < nr_pages; ++i) { - ceph_fscache_readpage_cancel(inode, pages[i]); - unlock_page(pages[i]); - } - ceph_put_page_vector(pages, nr_pages, false); -out_put: - ceph_osdc_put_request(req); -out: if (got) ceph_put_cap_refs(ci, got); - return ret; } +const struct netfs_read_request_ops ceph_netfs_read_ops = { + .init_rreq = ceph_init_rreq, + .is_cache_enabled = ceph_is_cache_enabled, + .begin_cache_operation = ceph_begin_cache_operation, + .issue_op = ceph_netfs_issue_op, + .expand_readahead = ceph_netfs_expand_readahead, + .clamp_length = ceph_netfs_clamp_length, + .check_write_begin = ceph_netfs_check_write_begin, + .cleanup = ceph_readahead_cleanup, +}; -/* - * Read multiple pages. Leave pages we don't read + unlock in page_list; - * the caller (VM) cleans them up. - */ -static int ceph_readpages(struct file *file, struct address_space *mapping, - struct list_head *page_list, unsigned nr_pages) +/* read a single page, without unlocking it. */ +static int ceph_readpage(struct file *file, struct page *page) { struct inode *inode = file_inode(file); - struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_file_info *fi = file->private_data; + struct ceph_inode_info *ci = ceph_inode(inode); + struct ceph_vino vino = ceph_vino(inode); + u64 off = page_offset(page); + u64 len = thp_size(page); + + if (ci->i_inline_version != CEPH_INLINE_NONE) { + /* + * Uptodate inline data should have been added + * into page cache while getting Fcr caps. + */ + if (off == 0) { + unlock_page(page); + return -EINVAL; + } + zero_user_segment(page, 0, thp_size(page)); + SetPageUptodate(page); + unlock_page(page); + return 0; + } + + dout("readpage ino %llx.%llx file %p off %llu len %llu page %p index %lu\n", + vino.ino, vino.snap, file, off, len, page, page->index); + + return netfs_readpage(file, page, &ceph_netfs_read_ops, NULL); +} + +static void ceph_readahead(struct readahead_control *ractl) +{ + struct inode *inode = file_inode(ractl->file); + struct ceph_file_info *fi = ractl->file->private_data; struct ceph_rw_context *rw_ctx; - int rc = 0; - int max = 0; + int got = 0; + int ret = 0; if (ceph_inode(inode)->i_inline_version != CEPH_INLINE_NONE) - return -EINVAL; + return; - rc = ceph_readpages_from_fscache(mapping->host, mapping, page_list, - &nr_pages); + rw_ctx = ceph_find_rw_context(fi); + if (!rw_ctx) { + /* + * readahead callers do not necessarily hold Fcb caps + * (e.g. fadvise, madvise). + */ + int want = CEPH_CAP_FILE_CACHE; - if (rc == 0) - goto out; + ret = ceph_try_get_caps(inode, CEPH_CAP_FILE_RD, want, true, &got); + if (ret < 0) + dout("start_read %p, error getting cap\n", inode); + else if (!(got & want)) + dout("start_read %p, no cache cap\n", inode); - rw_ctx = ceph_find_rw_context(fi); - max = fsc->mount_options->rsize >> PAGE_SHIFT; - dout("readpages %p file %p ctx %p nr_pages %d max %d\n", - inode, file, rw_ctx, nr_pages, max); - while (!list_empty(page_list)) { - rc = start_read(inode, rw_ctx, page_list, max); - if (rc < 0) - goto out; + if (ret <= 0) + return; } -out: - ceph_fscache_readpages_cancel(inode, page_list); - - dout("readpages %p file %p ret %d\n", inode, file, rc); - return rc; + netfs_readahead(ractl, &ceph_netfs_read_ops, (void *)(uintptr_t)got); } struct ceph_writeback_ctl @@ -585,8 +477,8 @@ static u64 get_writepages_data_length(struct inode *inode, spin_unlock(&ci->i_ceph_lock); WARN_ON(!found); } - if (end > page_offset(page) + PAGE_SIZE) - end = page_offset(page) + PAGE_SIZE; + if (end > page_offset(page) + thp_size(page)) + end = page_offset(page) + thp_size(page); return end > start ? end - start : 0; } @@ -604,7 +496,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) struct ceph_snap_context *snapc, *oldest; loff_t page_off = page_offset(page); int err; - loff_t len = PAGE_SIZE; + loff_t len = thp_size(page); struct ceph_writeback_ctl ceph_wbc; struct ceph_osd_client *osdc = &fsc->client->osdc; struct ceph_osd_request *req; @@ -632,7 +524,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) /* is this a partial page at end of file? */ if (page_off >= ceph_wbc.i_size) { dout("%p page eof %llu\n", page, ceph_wbc.i_size); - page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE); + page->mapping->a_ops->invalidatepage(page, 0, thp_size(page)); return 0; } @@ -658,7 +550,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) } /* it may be a short write due to an object boundary */ - WARN_ON_ONCE(len > PAGE_SIZE); + WARN_ON_ONCE(len > thp_size(page)); osd_req_op_extent_osd_data_pages(req, 0, &page, len, 0, false, false); dout("writepage %llu~%llu (%llu bytes)\n", page_off, len, len); @@ -667,7 +559,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) if (!err) err = ceph_osdc_wait_request(osdc, req); - ceph_update_write_latency(&fsc->mdsc->metric, req->r_start_latency, + ceph_update_write_metrics(&fsc->mdsc->metric, req->r_start_latency, req->r_end_latency, err); ceph_osdc_put_request(req); @@ -695,8 +587,8 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) dout("writepage cleaned page %p\n", page); err = 0; /* vfs expects us to return 0 */ } - page->private = 0; - ClearPagePrivate(page); + oldest = detach_page_private(page); + WARN_ON_ONCE(oldest != snapc); end_page_writeback(page); ceph_put_wrbuffer_cap_refs(ci, 1, snapc); ceph_put_snap_context(snapc); /* page's reference */ @@ -755,7 +647,7 @@ static void writepages_finish(struct ceph_osd_request *req) ceph_clear_error_write(ci); } - ceph_update_write_latency(&fsc->mdsc->metric, req->r_start_latency, + ceph_update_write_metrics(&fsc->mdsc->metric, req->r_start_latency, req->r_end_latency, rc); /* @@ -788,11 +680,9 @@ static void writepages_finish(struct ceph_osd_request *req) clear_bdi_congested(inode_to_bdi(inode), BLK_RW_ASYNC); - ceph_put_snap_context(page_snap_context(page)); - page->private = 0; - ClearPagePrivate(page); - dout("unlocking %p\n", page); + ceph_put_snap_context(detach_page_private(page)); end_page_writeback(page); + dout("unlocking %p\n", page); if (remove_page) generic_error_remove_page(inode->i_mapping, @@ -949,7 +839,7 @@ get_more_pages: page_offset(page) >= i_size_read(inode)) && clear_page_dirty_for_io(page)) mapping->a_ops->invalidatepage(page, - 0, PAGE_SIZE); + 0, thp_size(page)); unlock_page(page); continue; } @@ -1038,7 +928,7 @@ get_more_pages: pages[locked_pages++] = page; pvec.pages[i] = NULL; - len += PAGE_SIZE; + len += thp_size(page); } /* did we get anything? */ @@ -1087,7 +977,7 @@ new_request: BUG_ON(IS_ERR(req)); } BUG_ON(len < page_offset(pages[locked_pages - 1]) + - PAGE_SIZE - offset); + thp_size(page) - offset); req->r_callback = writepages_finish; req->r_inode = inode; @@ -1117,7 +1007,7 @@ new_request: } set_page_writeback(pages[i]); - len += PAGE_SIZE; + len += thp_size(page); } if (ceph_wbc.size_stable) { @@ -1126,7 +1016,7 @@ new_request: /* writepages_finish() clears writeback pages * according to the data length, so make sure * data length covers all locked pages */ - u64 min_len = len + 1 - PAGE_SIZE; + u64 min_len = len + 1 - thp_size(page); len = get_writepages_data_length(inode, pages[i - 1], offset); len = max(len, min_len); @@ -1302,6 +1192,31 @@ ceph_find_incompatible(struct page *page) return NULL; } +static int ceph_netfs_check_write_begin(struct file *file, loff_t pos, unsigned int len, + struct page *page, void **_fsdata) +{ + struct inode *inode = file_inode(file); + struct ceph_inode_info *ci = ceph_inode(inode); + struct ceph_snap_context *snapc; + + snapc = ceph_find_incompatible(page); + if (snapc) { + int r; + + unlock_page(page); + put_page(page); + if (IS_ERR(snapc)) + return PTR_ERR(snapc); + + ceph_queue_writeback(inode); + r = wait_event_killable(ci->i_cap_wq, + context_is_writeable_or_written(inode, snapc)); + ceph_put_snap_context(snapc); + return r == 0 ? -EAGAIN : r; + } + return 0; +} + /* * We are only allowed to write into/dirty the page if the page is * clean, or already dirty within the same snap context. @@ -1312,75 +1227,47 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping, { struct inode *inode = file_inode(file); struct ceph_inode_info *ci = ceph_inode(inode); - struct ceph_snap_context *snapc; struct page *page = NULL; pgoff_t index = pos >> PAGE_SHIFT; - int pos_in_page = pos & ~PAGE_MASK; - int r = 0; + int r; - dout("write_begin file %p inode %p page %p %d~%d\n", file, inode, page, (int)pos, (int)len); - - for (;;) { + /* + * Uninlining should have already been done and everything updated, EXCEPT + * for inline_version sent to the MDS. + */ + if (ci->i_inline_version != CEPH_INLINE_NONE) { page = grab_cache_page_write_begin(mapping, index, flags); - if (!page) { - r = -ENOMEM; - break; - } - - snapc = ceph_find_incompatible(page); - if (snapc) { - if (IS_ERR(snapc)) { - r = PTR_ERR(snapc); - break; - } - unlock_page(page); - put_page(page); - page = NULL; - ceph_queue_writeback(inode); - r = wait_event_killable(ci->i_cap_wq, - context_is_writeable_or_written(inode, snapc)); - ceph_put_snap_context(snapc); - if (r != 0) - break; - continue; - } - - if (PageUptodate(page)) { - dout(" page %p already uptodate\n", page); - break; - } + if (!page) + return -ENOMEM; /* - * In some cases we don't need to read at all: - * - full page write - * - write that lies completely beyond EOF - * - write that covers the the page from start to EOF or beyond it + * The inline_version on a new inode is set to 1. If that's the + * case, then the page is brand new and isn't yet Uptodate. */ - if ((pos_in_page == 0 && len == PAGE_SIZE) || - (pos >= i_size_read(inode)) || - (pos_in_page == 0 && (pos + len) >= i_size_read(inode))) { - zero_user_segments(page, 0, pos_in_page, - pos_in_page + len, PAGE_SIZE); - break; + r = 0; + if (index == 0 && ci->i_inline_version != 1) { + if (!PageUptodate(page)) { + WARN_ONCE(1, "ceph: write_begin called on still-inlined inode (inline_version %llu)!\n", + ci->i_inline_version); + r = -EINVAL; + } + goto out; } - - /* - * We need to read it. If we get back -EINPROGRESS, then the page was - * handed off to fscache and it will be unlocked when the read completes. - * Refind the page in that case so we can reacquire the page lock. Otherwise - * we got a hard error or the read was completed synchronously. - */ - r = ceph_do_readpage(file, page); - if (r != -EINPROGRESS) - break; + zero_user_segment(page, 0, thp_size(page)); + SetPageUptodate(page); + goto out; } + r = netfs_write_begin(file, inode->i_mapping, pos, len, 0, &page, NULL, + &ceph_netfs_read_ops, NULL); +out: + if (r == 0) + wait_on_page_fscache(page); if (r < 0) { - if (page) { - unlock_page(page); + if (page) put_page(page); - } } else { + WARN_ON_ONCE(!PageLocked(page)); *pagep = page; } return r; @@ -1438,7 +1325,7 @@ static ssize_t ceph_direct_io(struct kiocb *iocb, struct iov_iter *iter) const struct address_space_operations ceph_aops = { .readpage = ceph_readpage, - .readpages = ceph_readpages, + .readahead = ceph_readahead, .writepage = ceph_writepage, .writepages = ceph_writepages_start, .write_begin = ceph_write_begin, @@ -1470,7 +1357,6 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf) struct inode *inode = file_inode(vma->vm_file); struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_file_info *fi = vma->vm_file->private_data; - struct page *pinned_page = NULL; loff_t off = (loff_t)vmf->pgoff << PAGE_SHIFT; int want, got, err; sigset_t oldset; @@ -1478,21 +1364,20 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf) ceph_block_sigs(&oldset); - dout("filemap_fault %p %llx.%llx %llu~%zd trying to get caps\n", - inode, ceph_vinop(inode), off, (size_t)PAGE_SIZE); + dout("filemap_fault %p %llx.%llx %llu trying to get caps\n", + inode, ceph_vinop(inode), off); if (fi->fmode & CEPH_FILE_MODE_LAZY) want = CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO; else want = CEPH_CAP_FILE_CACHE; got = 0; - err = ceph_get_caps(vma->vm_file, CEPH_CAP_FILE_RD, want, -1, - &got, &pinned_page); + err = ceph_get_caps(vma->vm_file, CEPH_CAP_FILE_RD, want, -1, &got); if (err < 0) goto out_restore; - dout("filemap_fault %p %llu~%zd got cap refs on %s\n", - inode, off, (size_t)PAGE_SIZE, ceph_cap_string(got)); + dout("filemap_fault %p %llu got cap refs on %s\n", + inode, off, ceph_cap_string(got)); if ((got & (CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO)) || ci->i_inline_version == CEPH_INLINE_NONE) { @@ -1500,14 +1385,11 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf) ceph_add_rw_context(fi, &rw_ctx); ret = filemap_fault(vmf); ceph_del_rw_context(fi, &rw_ctx); - dout("filemap_fault %p %llu~%zd drop cap refs %s ret %x\n", - inode, off, (size_t)PAGE_SIZE, - ceph_cap_string(got), ret); + dout("filemap_fault %p %llu drop cap refs %s ret %x\n", + inode, off, ceph_cap_string(got), ret); } else err = -EAGAIN; - if (pinned_page) - put_page(pinned_page); ceph_put_cap_refs(ci, got); if (err != -EAGAIN) @@ -1542,8 +1424,8 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf) vmf->page = page; ret = VM_FAULT_MAJOR | VM_FAULT_LOCKED; out_inline: - dout("filemap_fault %p %llu~%zd read inline data ret %x\n", - inode, off, (size_t)PAGE_SIZE, ret); + dout("filemap_fault %p %llu read inline data ret %x\n", + inode, off, ret); } out_restore: ceph_restore_sigs(&oldset); @@ -1553,9 +1435,6 @@ out_restore: return ret; } -/* - * Reuse write_begin here for simplicity. - */ static vm_fault_t ceph_page_mkwrite(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; @@ -1591,10 +1470,10 @@ static vm_fault_t ceph_page_mkwrite(struct vm_fault *vmf) goto out_free; } - if (off + PAGE_SIZE <= size) - len = PAGE_SIZE; + if (off + thp_size(page) <= size) + len = thp_size(page); else - len = size & ~PAGE_MASK; + len = offset_in_thp(page, size); dout("page_mkwrite %p %llx.%llx %llu~%zd getting caps i_size %llu\n", inode, ceph_vinop(inode), off, len, size); @@ -1604,8 +1483,7 @@ static vm_fault_t ceph_page_mkwrite(struct vm_fault *vmf) want = CEPH_CAP_FILE_BUFFER; got = 0; - err = ceph_get_caps(vma->vm_file, CEPH_CAP_FILE_WR, want, off + len, - &got, NULL); + err = ceph_get_caps(vma->vm_file, CEPH_CAP_FILE_WR, want, off + len, &got); if (err < 0) goto out_free; @@ -1832,7 +1710,7 @@ int ceph_uninline_data(struct file *filp, struct page *locked_page) if (!err) err = ceph_osdc_wait_request(&fsc->client->osdc, req); - ceph_update_write_latency(&fsc->mdsc->metric, req->r_start_latency, + ceph_update_write_metrics(&fsc->mdsc->metric, req->r_start_latency, req->r_end_latency, err); out_put: @@ -2057,6 +1935,10 @@ int ceph_pool_perm_check(struct inode *inode, int need) s64 pool; int ret, flags; + /* Only need to do this for regular files */ + if (!S_ISREG(inode->i_mode)) + return 0; + if (ci->i_vino.snap != CEPH_NOSNAP) { /* * Pool permission check needs to write to the first object. diff --git a/fs/ceph/cache.c b/fs/ceph/cache.c index 2f5cb6bc78e1..9cfadbb86568 100644 --- a/fs/ceph/cache.c +++ b/fs/ceph/cache.c @@ -173,7 +173,6 @@ void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci) ci->fscache = NULL; - fscache_uncache_all_inode_pages(cookie, &ci->vfs_inode); fscache_relinquish_cookie(cookie, &ci->i_vino, false); } @@ -194,7 +193,6 @@ void ceph_fscache_file_set_cookie(struct inode *inode, struct file *filp) dout("fscache_file_set_cookie %p %p disabling cache\n", inode, filp); fscache_disable_cookie(ci->fscache, &ci->i_vino, false); - fscache_uncache_all_inode_pages(ci->fscache, inode); } else { fscache_enable_cookie(ci->fscache, &ci->i_vino, i_size_read(inode), ceph_fscache_can_enable, inode); @@ -205,108 +203,6 @@ void ceph_fscache_file_set_cookie(struct inode *inode, struct file *filp) } } -static void ceph_readpage_from_fscache_complete(struct page *page, void *data, int error) -{ - if (!error) - SetPageUptodate(page); - - unlock_page(page); -} - -static inline bool cache_valid(struct ceph_inode_info *ci) -{ - return ci->i_fscache_gen == ci->i_rdcache_gen; -} - - -/* Atempt to read from the fscache, - * - * This function is called from the readpage_nounlock context. DO NOT attempt to - * unlock the page here (or in the callback). - */ -int ceph_readpage_from_fscache(struct inode *inode, struct page *page) -{ - struct ceph_inode_info *ci = ceph_inode(inode); - int ret; - - if (!cache_valid(ci)) - return -ENOBUFS; - - ret = fscache_read_or_alloc_page(ci->fscache, page, - ceph_readpage_from_fscache_complete, NULL, - GFP_KERNEL); - - switch (ret) { - case 0: /* Page found */ - dout("page read submitted\n"); - return 0; - case -ENOBUFS: /* Pages were not found, and can't be */ - case -ENODATA: /* Pages were not found */ - dout("page/inode not in cache\n"); - return ret; - default: - dout("%s: unknown error ret = %i\n", __func__, ret); - return ret; - } -} - -int ceph_readpages_from_fscache(struct inode *inode, - struct address_space *mapping, - struct list_head *pages, - unsigned *nr_pages) -{ - struct ceph_inode_info *ci = ceph_inode(inode); - int ret; - - if (!cache_valid(ci)) - return -ENOBUFS; - - ret = fscache_read_or_alloc_pages(ci->fscache, mapping, pages, nr_pages, - ceph_readpage_from_fscache_complete, - NULL, mapping_gfp_mask(mapping)); - - switch (ret) { - case 0: /* All pages found */ - dout("all-page read submitted\n"); - return 0; - case -ENOBUFS: /* Some pages were not found, and can't be */ - case -ENODATA: /* some pages were not found */ - dout("page/inode not in cache\n"); - return ret; - default: - dout("%s: unknown error ret = %i\n", __func__, ret); - return ret; - } -} - -void ceph_readpage_to_fscache(struct inode *inode, struct page *page) -{ - struct ceph_inode_info *ci = ceph_inode(inode); - int ret; - - if (!PageFsCache(page)) - return; - - if (!cache_valid(ci)) - return; - - ret = fscache_write_page(ci->fscache, page, i_size_read(inode), - GFP_KERNEL); - if (ret) - fscache_uncache_page(ci->fscache, page); -} - -void ceph_invalidate_fscache_page(struct inode* inode, struct page *page) -{ - struct ceph_inode_info *ci = ceph_inode(inode); - - if (!PageFsCache(page)) - return; - - fscache_wait_on_page_write(ci->fscache, page); - fscache_uncache_page(ci->fscache, page); -} - void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc) { if (fscache_cookie_valid(fsc->fscache)) { @@ -329,24 +225,3 @@ void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc) } fsc->fscache = NULL; } - -/* - * caller should hold CEPH_CAP_FILE_{RD,CACHE} - */ -void ceph_fscache_revalidate_cookie(struct ceph_inode_info *ci) -{ - if (cache_valid(ci)) - return; - - /* resue i_truncate_mutex. There should be no pending - * truncate while the caller holds CEPH_CAP_FILE_RD */ - mutex_lock(&ci->i_truncate_mutex); - if (!cache_valid(ci)) { - if (fscache_check_consistency(ci->fscache, &ci->i_vino)) - fscache_invalidate(ci->fscache); - spin_lock(&ci->i_ceph_lock); - ci->i_fscache_gen = ci->i_rdcache_gen; - spin_unlock(&ci->i_ceph_lock); - } - mutex_unlock(&ci->i_truncate_mutex); -} diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h index 89dbdd1eb14a..1409d6149281 100644 --- a/fs/ceph/cache.h +++ b/fs/ceph/cache.h @@ -9,6 +9,8 @@ #ifndef _CEPH_CACHE_H #define _CEPH_CACHE_H +#include <linux/netfs.h> + #ifdef CONFIG_CEPH_FSCACHE extern struct fscache_netfs ceph_cache_netfs; @@ -29,54 +31,37 @@ int ceph_readpages_from_fscache(struct inode *inode, struct address_space *mapping, struct list_head *pages, unsigned *nr_pages); -void ceph_readpage_to_fscache(struct inode *inode, struct page *page); -void ceph_invalidate_fscache_page(struct inode* inode, struct page *page); static inline void ceph_fscache_inode_init(struct ceph_inode_info *ci) { ci->fscache = NULL; - ci->i_fscache_gen = 0; } -static inline void ceph_fscache_invalidate(struct inode *inode) +static inline struct fscache_cookie *ceph_fscache_cookie(struct ceph_inode_info *ci) { - fscache_invalidate(ceph_inode(inode)->fscache); + return ci->fscache; } -static inline void ceph_fscache_uncache_page(struct inode *inode, - struct page *page) +static inline void ceph_fscache_invalidate(struct inode *inode) { - struct ceph_inode_info *ci = ceph_inode(inode); - return fscache_uncache_page(ci->fscache, page); + fscache_invalidate(ceph_inode(inode)->fscache); } -static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp) +static inline bool ceph_is_cache_enabled(struct inode *inode) { - struct inode* inode = page->mapping->host; - struct ceph_inode_info *ci = ceph_inode(inode); - return fscache_maybe_release_page(ci->fscache, page, gfp); -} + struct fscache_cookie *cookie = ceph_fscache_cookie(ceph_inode(inode)); -static inline void ceph_fscache_readpage_cancel(struct inode *inode, - struct page *page) -{ - struct ceph_inode_info *ci = ceph_inode(inode); - if (fscache_cookie_valid(ci->fscache) && PageFsCache(page)) - __fscache_uncache_page(ci->fscache, page); + if (!cookie) + return false; + return fscache_cookie_enabled(cookie); } -static inline void ceph_fscache_readpages_cancel(struct inode *inode, - struct list_head *pages) +static inline int ceph_begin_cache_operation(struct netfs_read_request *rreq) { - struct ceph_inode_info *ci = ceph_inode(inode); - return fscache_readpages_cancel(ci->fscache, pages); -} + struct fscache_cookie *cookie = ceph_fscache_cookie(ceph_inode(rreq->inode)); -static inline void ceph_disable_fscache_readpage(struct ceph_inode_info *ci) -{ - ci->i_fscache_gen = ci->i_rdcache_gen - 1; + return fscache_begin_read_operation(rreq, cookie); } - #else static inline int ceph_fscache_register(void) @@ -102,6 +87,11 @@ static inline void ceph_fscache_inode_init(struct ceph_inode_info *ci) { } +static inline struct fscache_cookie *ceph_fscache_cookie(struct ceph_inode_info *ci) +{ + return NULL; +} + static inline void ceph_fscache_register_inode_cookie(struct inode *inode) { } @@ -115,62 +105,19 @@ static inline void ceph_fscache_file_set_cookie(struct inode *inode, { } -static inline void ceph_fscache_revalidate_cookie(struct ceph_inode_info *ci) -{ -} - -static inline void ceph_fscache_uncache_page(struct inode *inode, - struct page *pages) -{ -} - -static inline int ceph_readpage_from_fscache(struct inode* inode, - struct page *page) -{ - return -ENOBUFS; -} - -static inline int ceph_readpages_from_fscache(struct inode *inode, - struct address_space *mapping, - struct list_head *pages, - unsigned *nr_pages) -{ - return -ENOBUFS; -} - -static inline void ceph_readpage_to_fscache(struct inode *inode, - struct page *page) -{ -} - static inline void ceph_fscache_invalidate(struct inode *inode) { } -static inline void ceph_invalidate_fscache_page(struct inode *inode, - struct page *page) +static inline bool ceph_is_cache_enabled(struct inode *inode) { + return false; } -static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp) -{ - return 1; -} - -static inline void ceph_fscache_readpage_cancel(struct inode *inode, - struct page *page) -{ -} - -static inline void ceph_fscache_readpages_cancel(struct inode *inode, - struct list_head *pages) -{ -} - -static inline void ceph_disable_fscache_readpage(struct ceph_inode_info *ci) +static inline int ceph_begin_cache_operation(struct netfs_read_request *rreq) { + return -ENOBUFS; } - #endif -#endif +#endif /* _CEPH_CACHE_H */ diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 3c03fa37cac4..a5e93b185515 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1390,7 +1390,7 @@ static void __prep_cap(struct cap_msg_args *arg, struct ceph_cap *cap, arg->flush_tid = flush_tid; arg->oldest_flush_tid = oldest_flush_tid; - arg->size = inode->i_size; + arg->size = i_size_read(inode); ci->i_reported_size = arg->size; arg->max_size = ci->i_wanted_max_size; if (cap == ci->i_auth_cap) { @@ -1867,6 +1867,7 @@ static int try_nonblocking_invalidate(struct inode *inode) u32 invalidating_gen = ci->i_rdcache_gen; spin_unlock(&ci->i_ceph_lock); + ceph_fscache_invalidate(inode); invalidate_mapping_pages(&inode->i_data, 0, -1); spin_lock(&ci->i_ceph_lock); @@ -1884,7 +1885,7 @@ static int try_nonblocking_invalidate(struct inode *inode) bool __ceph_should_report_size(struct ceph_inode_info *ci) { - loff_t size = ci->vfs_inode.i_size; + loff_t size = i_size_read(&ci->vfs_inode); /* mds will adjust max size according to the reported size */ if (ci->i_flushing_caps & CEPH_CAP_FILE_WR) return false; @@ -2730,10 +2731,6 @@ again: *got = need | want; else *got = need; - if (S_ISREG(inode->i_mode) && - (need & CEPH_CAP_FILE_RD) && - !(*got & CEPH_CAP_FILE_CACHE)) - ceph_disable_fscache_readpage(ci); ceph_take_cap_refs(ci, *got, true); ret = 1; } @@ -2858,8 +2855,7 @@ int ceph_try_get_caps(struct inode *inode, int need, int want, * due to a small max_size, make sure we check_max_size (and possibly * ask the mds) so we don't get hung up indefinitely. */ -int ceph_get_caps(struct file *filp, int need, int want, - loff_t endoff, int *got, struct page **pinned_page) +int ceph_get_caps(struct file *filp, int need, int want, loff_t endoff, int *got) { struct ceph_file_info *fi = filp->private_data; struct inode *inode = file_inode(filp); @@ -2957,11 +2953,11 @@ int ceph_get_caps(struct file *filp, int need, int want, struct page *page = find_get_page(inode->i_mapping, 0); if (page) { - if (PageUptodate(page)) { - *pinned_page = page; - break; - } + bool uptodate = PageUptodate(page); + put_page(page); + if (uptodate) + break; } /* * drop cap refs first because getattr while @@ -2983,11 +2979,6 @@ int ceph_get_caps(struct file *filp, int need, int want, } break; } - - if (S_ISREG(ci->vfs_inode.i_mode) && - (_got & CEPH_CAP_FILE_RD) && (_got & CEPH_CAP_FILE_CACHE)) - ceph_fscache_revalidate_cookie(ci); - *got = _got; return 0; } @@ -3308,7 +3299,7 @@ static void handle_cap_grant(struct inode *inode, dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n", inode, cap, session->s_mds, seq, ceph_cap_string(newcaps)); dout(" size %llu max_size %llu, i_size %llu\n", size, max_size, - inode->i_size); + i_size_read(inode)); /* diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c index 66989c880adb..425f3356332a 100644 --- a/fs/ceph/debugfs.c +++ b/fs/ceph/debugfs.c @@ -162,34 +162,34 @@ static int metric_show(struct seq_file *s, void *p) seq_printf(s, "item total avg_lat(us) min_lat(us) max_lat(us) stdev(us)\n"); seq_printf(s, "-----------------------------------------------------------------------------------\n"); - spin_lock(&m->read_latency_lock); + spin_lock(&m->read_metric_lock); total = m->total_reads; sum = m->read_latency_sum; avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0; min = m->read_latency_min; max = m->read_latency_max; sq = m->read_latency_sq_sum; - spin_unlock(&m->read_latency_lock); + spin_unlock(&m->read_metric_lock); CEPH_METRIC_SHOW("read", total, avg, min, max, sq); - spin_lock(&m->write_latency_lock); + spin_lock(&m->write_metric_lock); total = m->total_writes; sum = m->write_latency_sum; avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0; min = m->write_latency_min; max = m->write_latency_max; sq = m->write_latency_sq_sum; - spin_unlock(&m->write_latency_lock); + spin_unlock(&m->write_metric_lock); CEPH_METRIC_SHOW("write", total, avg, min, max, sq); - spin_lock(&m->metadata_latency_lock); + spin_lock(&m->metadata_metric_lock); total = m->total_metadatas; sum = m->metadata_latency_sum; avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0; min = m->metadata_latency_min; max = m->metadata_latency_max; sq = m->metadata_latency_sq_sum; - spin_unlock(&m->metadata_latency_lock); + spin_unlock(&m->metadata_metric_lock); CEPH_METRIC_SHOW("metadata", total, avg, min, max, sq); seq_printf(s, "\n"); diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index f7a790ed62c4..5624fae7a603 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -631,10 +631,12 @@ static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int whence) switch (whence) { case SEEK_CUR: offset += file->f_pos; + break; case SEEK_SET: break; case SEEK_END: retval = -EOPNOTSUPP; + goto out; default: goto out; } @@ -665,8 +667,8 @@ out: /* * Handle lookups for the hidden .snap directory. */ -int ceph_handle_snapdir(struct ceph_mds_request *req, - struct dentry *dentry, int err) +struct dentry *ceph_handle_snapdir(struct ceph_mds_request *req, + struct dentry *dentry, int err) { struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb); struct inode *parent = d_inode(dentry->d_parent); /* we hold i_mutex */ @@ -674,18 +676,17 @@ int ceph_handle_snapdir(struct ceph_mds_request *req, /* .snap dir? */ if (err == -ENOENT && ceph_snap(parent) == CEPH_NOSNAP && - strcmp(dentry->d_name.name, - fsc->mount_options->snapdir_name) == 0) { + strcmp(dentry->d_name.name, fsc->mount_options->snapdir_name) == 0) { + struct dentry *res; struct inode *inode = ceph_get_snapdir(parent); - if (IS_ERR(inode)) - return PTR_ERR(inode); - dout("ENOENT on snapdir %p '%pd', linking to snapdir %p\n", - dentry, dentry, inode); - BUG_ON(!d_unhashed(dentry)); - d_add(dentry, inode); - err = 0; + + res = d_splice_alias(inode, dentry); + dout("ENOENT on snapdir %p '%pd', linking to snapdir %p. Spliced dentry %p\n", + dentry, dentry, inode, res); + if (res) + dentry = res; } - return err; + return dentry; } /* @@ -741,6 +742,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb); struct ceph_mds_request *req; + struct dentry *res; int op; int mask; int err; @@ -791,7 +793,13 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, req->r_parent = dir; set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags); err = ceph_mdsc_do_request(mdsc, NULL, req); - err = ceph_handle_snapdir(req, dentry, err); + res = ceph_handle_snapdir(req, dentry, err); + if (IS_ERR(res)) { + err = PTR_ERR(res); + } else { + dentry = res; + err = 0; + } dentry = ceph_finish_lookup(req, dentry, err); ceph_mdsc_put_request(req); /* will dput(dentry) */ dout("lookup result=%p\n", dentry); diff --git a/fs/ceph/export.c b/fs/ceph/export.c index f22156ee7306..65540a4429b2 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -129,6 +129,10 @@ static struct inode *__lookup_inode(struct super_block *sb, u64 ino) vino.ino = ino; vino.snap = CEPH_NOSNAP; + + if (ceph_vino_is_reserved(vino)) + return ERR_PTR(-ESTALE); + inode = ceph_find_inode(sb, vino); if (!inode) { struct ceph_mds_request *req; @@ -178,8 +182,10 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino) return ERR_CAST(inode); /* We need LINK caps to reliably check i_nlink */ err = ceph_do_getattr(inode, CEPH_CAP_LINK_SHARED, false); - if (err) + if (err) { + iput(inode); return ERR_PTR(err); + } /* -ESTALE if inode as been unlinked and no file is open */ if ((inode->i_nlink == 0) && (atomic_read(&inode->i_count) == 1)) { iput(inode); @@ -212,6 +218,10 @@ static struct dentry *__snapfh_to_dentry(struct super_block *sb, vino.ino = sfh->ino; vino.snap = sfh->snapid; } + + if (ceph_vino_is_reserved(vino)) + return ERR_PTR(-ESTALE); + inode = ceph_find_inode(sb, vino); if (inode) return d_obtain_alias(inode); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 209535d5b8d3..77fc037d5beb 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -739,9 +739,12 @@ retry: err = ceph_mdsc_do_request(mdsc, (flags & (O_CREAT|O_TRUNC)) ? dir : NULL, req); - err = ceph_handle_snapdir(req, dentry, err); - if (err) + dentry = ceph_handle_snapdir(req, dentry, err); + if (IS_ERR(dentry)) { + err = PTR_ERR(dentry); goto out_req; + } + err = 0; if ((flags & O_CREAT) && !req->r_reply_info.head->is_dentry) err = ceph_handle_notrace_create(dir, dentry); @@ -892,7 +895,7 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *to, if (!ret) ret = ceph_osdc_wait_request(osdc, req); - ceph_update_read_latency(&fsc->mdsc->metric, + ceph_update_read_metrics(&fsc->mdsc->metric, req->r_start_latency, req->r_end_latency, ret); @@ -1034,16 +1037,6 @@ static void ceph_aio_complete_req(struct ceph_osd_request *req) dout("ceph_aio_complete_req %p rc %d bytes %u\n", inode, rc, osd_data->bvec_pos.iter.bi_size); - /* r_start_latency == 0 means the request was not submitted */ - if (req->r_start_latency) { - if (aio_req->write) - ceph_update_write_latency(metric, req->r_start_latency, - req->r_end_latency, rc); - else - ceph_update_read_latency(metric, req->r_start_latency, - req->r_end_latency, rc); - } - if (rc == -EOLDSNAPC) { struct ceph_aio_work *aio_work; BUG_ON(!aio_req->write); @@ -1086,6 +1079,16 @@ static void ceph_aio_complete_req(struct ceph_osd_request *req) } } + /* r_start_latency == 0 means the request was not submitted */ + if (req->r_start_latency) { + if (aio_req->write) + ceph_update_write_metrics(metric, req->r_start_latency, + req->r_end_latency, rc); + else + ceph_update_read_metrics(metric, req->r_start_latency, + req->r_end_latency, rc); + } + put_bvecs(osd_data->bvec_pos.bvecs, osd_data->num_bvecs, aio_req->should_dirty); ceph_osdc_put_request(req); @@ -1290,10 +1293,10 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter, ret = ceph_osdc_wait_request(&fsc->client->osdc, req); if (write) - ceph_update_write_latency(metric, req->r_start_latency, + ceph_update_write_metrics(metric, req->r_start_latency, req->r_end_latency, ret); else - ceph_update_read_latency(metric, req->r_start_latency, + ceph_update_read_metrics(metric, req->r_start_latency, req->r_end_latency, ret); size = i_size_read(inode); @@ -1467,7 +1470,7 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos, if (!ret) ret = ceph_osdc_wait_request(&fsc->client->osdc, req); - ceph_update_write_latency(&fsc->mdsc->metric, req->r_start_latency, + ceph_update_write_metrics(&fsc->mdsc->metric, req->r_start_latency, req->r_end_latency, ret); out: ceph_osdc_put_request(req); @@ -1510,7 +1513,6 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to) size_t len = iov_iter_count(to); struct inode *inode = file_inode(filp); struct ceph_inode_info *ci = ceph_inode(inode); - struct page *pinned_page = NULL; bool direct_lock = iocb->ki_flags & IOCB_DIRECT; ssize_t ret; int want, got = 0; @@ -1529,8 +1531,7 @@ again: want = CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO; else want = CEPH_CAP_FILE_CACHE; - ret = ceph_get_caps(filp, CEPH_CAP_FILE_RD, want, -1, - &got, &pinned_page); + ret = ceph_get_caps(filp, CEPH_CAP_FILE_RD, want, -1, &got); if (ret < 0) { if (iocb->ki_flags & IOCB_DIRECT) ceph_end_io_direct(inode); @@ -1571,10 +1572,6 @@ again: dout("aio_read %p %llx.%llx dropping cap refs on %s = %d\n", inode, ceph_vinop(inode), ceph_cap_string(got), (int)ret); - if (pinned_page) { - put_page(pinned_page); - pinned_page = NULL; - } ceph_put_cap_refs(ci, got); if (direct_lock) @@ -1753,8 +1750,7 @@ retry_snap: else want = CEPH_CAP_FILE_BUFFER; got = 0; - err = ceph_get_caps(file, CEPH_CAP_FILE_WR, want, pos + count, - &got, NULL); + err = ceph_get_caps(file, CEPH_CAP_FILE_WR, want, pos + count, &got); if (err < 0) goto out; @@ -2083,7 +2079,7 @@ static long ceph_fallocate(struct file *file, int mode, else want = CEPH_CAP_FILE_BUFFER; - ret = ceph_get_caps(file, CEPH_CAP_FILE_WR, want, endoff, &got, NULL); + ret = ceph_get_caps(file, CEPH_CAP_FILE_WR, want, endoff, &got); if (ret < 0) goto unlock; @@ -2121,7 +2117,7 @@ static int get_rd_wr_caps(struct file *src_filp, int *src_got, retry_caps: ret = ceph_get_caps(dst_filp, CEPH_CAP_FILE_WR, CEPH_CAP_FILE_BUFFER, - dst_endoff, dst_got, NULL); + dst_endoff, dst_got); if (ret < 0) return ret; @@ -2143,7 +2139,7 @@ retry_caps: return ret; } ret = ceph_get_caps(src_filp, CEPH_CAP_FILE_RD, - CEPH_CAP_FILE_SHARED, -1, src_got, NULL); + CEPH_CAP_FILE_SHARED, -1, src_got); if (ret < 0) return ret; /*... drop src_ci caps too, and retry */ diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 689e3ffd29d7..e1c63adb196d 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -56,6 +56,9 @@ struct inode *ceph_get_inode(struct super_block *sb, struct ceph_vino vino) { struct inode *inode; + if (ceph_vino_is_reserved(vino)) + return ERR_PTR(-EREMOTEIO); + inode = iget5_locked(sb, (unsigned long)vino.ino, ceph_ino_compare, ceph_set_ino_cb, &vino); if (!inode) @@ -99,14 +102,15 @@ struct inode *ceph_get_snapdir(struct inode *parent) inode->i_mtime = parent->i_mtime; inode->i_ctime = parent->i_ctime; inode->i_atime = parent->i_atime; - inode->i_op = &ceph_snapdir_iops; - inode->i_fop = &ceph_snapdir_fops; - ci->i_snap_caps = CEPH_CAP_PIN; /* so we can open */ ci->i_rbytes = 0; ci->i_btime = ceph_inode(parent)->i_btime; - if (inode->i_state & I_NEW) + if (inode->i_state & I_NEW) { + inode->i_op = &ceph_snapdir_iops; + inode->i_fop = &ceph_snapdir_fops; + ci->i_snap_caps = CEPH_CAP_PIN; /* so we can open */ unlock_new_inode(inode); + } return inode; } @@ -628,10 +632,11 @@ int ceph_fill_file_size(struct inode *inode, int issued, { struct ceph_inode_info *ci = ceph_inode(inode); int queue_trunc = 0; + loff_t isize = i_size_read(inode); if (ceph_seq_cmp(truncate_seq, ci->i_truncate_seq) > 0 || - (truncate_seq == ci->i_truncate_seq && size > inode->i_size)) { - dout("size %lld -> %llu\n", inode->i_size, size); + (truncate_seq == ci->i_truncate_seq && size > isize)) { + dout("size %lld -> %llu\n", isize, size); if (size > 0 && S_ISDIR(inode->i_mode)) { pr_err("fill_file_size non-zero size for directory\n"); size = 0; @@ -925,6 +930,7 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page, ci->i_rfiles = le64_to_cpu(info->rfiles); ci->i_rsubdirs = le64_to_cpu(info->rsubdirs); ci->i_dir_pin = iinfo->dir_pin; + ci->i_rsnaps = iinfo->rsnaps; ceph_decode_timespec64(&ci->i_rctime, &info->rctime); } } @@ -1818,7 +1824,7 @@ bool ceph_inode_set_size(struct inode *inode, loff_t size) bool ret; spin_lock(&ci->i_ceph_lock); - dout("set_size %p %llu -> %llu\n", inode, inode->i_size, size); + dout("set_size %p %llu -> %llu\n", inode, i_size_read(inode), size); i_size_write(inode, size); inode->i_blocks = calc_inode_blocks(size); @@ -1894,6 +1900,7 @@ static void ceph_do_invalidate_pages(struct inode *inode) orig_gen = ci->i_rdcache_gen; spin_unlock(&ci->i_ceph_lock); + ceph_fscache_invalidate(inode); if (invalidate_inode_pages2(inode->i_mapping) < 0) { pr_err("invalidate_pages %p fails\n", inode); } @@ -2124,20 +2131,19 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) } } if (ia_valid & ATTR_SIZE) { - dout("setattr %p size %lld -> %lld\n", inode, - inode->i_size, attr->ia_size); - if ((issued & CEPH_CAP_FILE_EXCL) && - attr->ia_size > inode->i_size) { + loff_t isize = i_size_read(inode); + + dout("setattr %p size %lld -> %lld\n", inode, isize, attr->ia_size); + if ((issued & CEPH_CAP_FILE_EXCL) && attr->ia_size > isize) { i_size_write(inode, attr->ia_size); inode->i_blocks = calc_inode_blocks(attr->ia_size); ci->i_reported_size = attr->ia_size; dirtied |= CEPH_CAP_FILE_EXCL; ia_valid |= ATTR_MTIME; } else if ((issued & CEPH_CAP_FILE_SHARED) == 0 || - attr->ia_size != inode->i_size) { + attr->ia_size != isize) { req->r_args.setattr.size = cpu_to_le64(attr->ia_size); - req->r_args.setattr.old_size = - cpu_to_le64(inode->i_size); + req->r_args.setattr.old_size = cpu_to_le64(isize); mask |= CEPH_SETATTR_SIZE; release |= CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_EXCL | CEPH_CAP_FILE_RD | CEPH_CAP_FILE_WR; @@ -2247,7 +2253,7 @@ int ceph_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, return err; if ((attr->ia_valid & ATTR_SIZE) && - attr->ia_size > max(inode->i_size, fsc->max_file_size)) + attr->ia_size > max(i_size_read(inode), fsc->max_file_size)) return -EFBIG; if ((attr->ia_valid & ATTR_SIZE) && diff --git a/fs/ceph/io.c b/fs/ceph/io.c index 97602ea92ff4..c456509b31c3 100644 --- a/fs/ceph/io.c +++ b/fs/ceph/io.c @@ -118,7 +118,7 @@ static void ceph_block_buffered(struct ceph_inode_info *ci, struct inode *inode) } /** - * ceph_end_io_direct - declare the file is being used for direct i/o + * ceph_start_io_direct - declare the file is being used for direct i/o * @inode: file inode * * Declare that a direct I/O operation is about to start, and ensure diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index d87bd852ed96..e5af591d3bd4 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -176,6 +176,13 @@ static int parse_reply_info_in(void **p, void *end, memset(&info->snap_btime, 0, sizeof(info->snap_btime)); } + /* snapshot count, remains zero for v<=3 */ + if (struct_v >= 4) { + ceph_decode_64_safe(p, end, info->rsnaps, bad); + } else { + info->rsnaps = 0; + } + *p = end; } else { if (features & CEPH_FEATURE_MDS_INLINE_DATA) { @@ -214,7 +221,7 @@ static int parse_reply_info_in(void **p, void *end, } info->dir_pin = -ENODATA; - /* info->snap_btime remains zero */ + /* info->snap_btime and info->rsnaps remain zero */ } return 0; bad: @@ -433,6 +440,13 @@ static int ceph_parse_deleg_inos(void **p, void *end, ceph_decode_64_safe(p, end, start, bad); ceph_decode_64_safe(p, end, len, bad); + + /* Don't accept a delegation of system inodes */ + if (start < CEPH_INO_SYSTEM_BASE) { + pr_warn_ratelimited("ceph: ignoring reserved inode range delegation (start=0x%llx len=0x%llx)\n", + start, len); + continue; + } while (len--) { int err = xa_insert(&s->s_delegated_inos, ino = start++, DELEGATED_INO_AVAILABLE, @@ -3306,7 +3320,7 @@ out_err: /* kick calling process */ complete_request(mdsc, req); - ceph_update_metadata_latency(&mdsc->metric, req->r_start_latency, + ceph_update_metadata_metrics(&mdsc->metric, req->r_start_latency, req->r_end_latency, err); out: ceph_mdsc_put_request(req); @@ -3780,7 +3794,7 @@ static int reconnect_caps_cb(struct inode *inode, struct ceph_cap *cap, rec.v1.cap_id = cpu_to_le64(cap->cap_id); rec.v1.wanted = cpu_to_le32(__ceph_caps_wanted(ci)); rec.v1.issued = cpu_to_le32(cap->issued); - rec.v1.size = cpu_to_le64(inode->i_size); + rec.v1.size = cpu_to_le64(i_size_read(inode)); ceph_encode_timespec64(&rec.v1.mtime, &inode->i_mtime); ceph_encode_timespec64(&rec.v1.atime, &inode->i_atime); rec.v1.snaprealm = cpu_to_le64(ci->i_snap_realm->ino); diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index eaa7c5422116..15c11a0f2caf 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -88,6 +88,7 @@ struct ceph_mds_reply_info_in { s32 dir_pin; struct ceph_timespec btime; struct ceph_timespec snap_btime; + u64 rsnaps; u64 change_attr; }; diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c index 5ec94bd4c1de..28b6b42ad677 100644 --- a/fs/ceph/metric.c +++ b/fs/ceph/metric.c @@ -17,6 +17,9 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, struct ceph_metric_write_latency *write; struct ceph_metric_metadata_latency *meta; struct ceph_metric_dlease *dlease; + struct ceph_opened_files *files; + struct ceph_pinned_icaps *icaps; + struct ceph_opened_inodes *inodes; struct ceph_client_metric *m = &mdsc->metric; u64 nr_caps = atomic64_read(&m->total_caps); struct ceph_msg *msg; @@ -26,7 +29,8 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, s32 len; len = sizeof(*head) + sizeof(*cap) + sizeof(*read) + sizeof(*write) - + sizeof(*meta) + sizeof(*dlease); + + sizeof(*meta) + sizeof(*dlease) + sizeof(*files) + + sizeof(*icaps) + sizeof(*inodes); msg = ceph_msg_new(CEPH_MSG_CLIENT_METRICS, len, GFP_NOFS, true); if (!msg) { @@ -95,6 +99,38 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, dlease->total = cpu_to_le64(atomic64_read(&m->total_dentries)); items++; + sum = percpu_counter_sum(&m->total_inodes); + + /* encode the opened files metric */ + files = (struct ceph_opened_files *)(dlease + 1); + files->type = cpu_to_le32(CLIENT_METRIC_TYPE_OPENED_FILES); + files->ver = 1; + files->compat = 1; + files->data_len = cpu_to_le32(sizeof(*files) - 10); + files->opened_files = cpu_to_le64(atomic64_read(&m->opened_files)); + files->total = cpu_to_le64(sum); + items++; + + /* encode the pinned icaps metric */ + icaps = (struct ceph_pinned_icaps *)(files + 1); + icaps->type = cpu_to_le32(CLIENT_METRIC_TYPE_PINNED_ICAPS); + icaps->ver = 1; + icaps->compat = 1; + icaps->data_len = cpu_to_le32(sizeof(*icaps) - 10); + icaps->pinned_icaps = cpu_to_le64(nr_caps); + icaps->total = cpu_to_le64(sum); + items++; + + /* encode the opened inodes metric */ + inodes = (struct ceph_opened_inodes *)(icaps + 1); + inodes->type = cpu_to_le32(CLIENT_METRIC_TYPE_OPENED_INODES); + inodes->ver = 1; + inodes->compat = 1; + inodes->data_len = cpu_to_le32(sizeof(*inodes) - 10); + inodes->opened_inodes = cpu_to_le64(percpu_counter_sum(&m->opened_inodes)); + inodes->total = cpu_to_le64(sum); + items++; + put_unaligned_le32(items, &head->num); msg->front.iov_len = len; msg->hdr.version = cpu_to_le16(1); @@ -183,21 +219,21 @@ int ceph_metric_init(struct ceph_client_metric *m) if (ret) goto err_i_caps_mis; - spin_lock_init(&m->read_latency_lock); + spin_lock_init(&m->read_metric_lock); m->read_latency_sq_sum = 0; m->read_latency_min = KTIME_MAX; m->read_latency_max = 0; m->total_reads = 0; m->read_latency_sum = 0; - spin_lock_init(&m->write_latency_lock); + spin_lock_init(&m->write_metric_lock); m->write_latency_sq_sum = 0; m->write_latency_min = KTIME_MAX; m->write_latency_max = 0; m->total_writes = 0; m->write_latency_sum = 0; - spin_lock_init(&m->metadata_latency_lock); + spin_lock_init(&m->metadata_metric_lock); m->metadata_latency_sq_sum = 0; m->metadata_latency_min = KTIME_MAX; m->metadata_latency_max = 0; @@ -274,7 +310,7 @@ static inline void __update_latency(ktime_t *totalp, ktime_t *lsump, *sq_sump += sq; } -void ceph_update_read_latency(struct ceph_client_metric *m, +void ceph_update_read_metrics(struct ceph_client_metric *m, ktime_t r_start, ktime_t r_end, int rc) { @@ -283,14 +319,14 @@ void ceph_update_read_latency(struct ceph_client_metric *m, if (unlikely(rc < 0 && rc != -ENOENT && rc != -ETIMEDOUT)) return; - spin_lock(&m->read_latency_lock); + spin_lock(&m->read_metric_lock); __update_latency(&m->total_reads, &m->read_latency_sum, &m->read_latency_min, &m->read_latency_max, &m->read_latency_sq_sum, lat); - spin_unlock(&m->read_latency_lock); + spin_unlock(&m->read_metric_lock); } -void ceph_update_write_latency(struct ceph_client_metric *m, +void ceph_update_write_metrics(struct ceph_client_metric *m, ktime_t r_start, ktime_t r_end, int rc) { @@ -299,14 +335,14 @@ void ceph_update_write_latency(struct ceph_client_metric *m, if (unlikely(rc && rc != -ETIMEDOUT)) return; - spin_lock(&m->write_latency_lock); + spin_lock(&m->write_metric_lock); __update_latency(&m->total_writes, &m->write_latency_sum, &m->write_latency_min, &m->write_latency_max, &m->write_latency_sq_sum, lat); - spin_unlock(&m->write_latency_lock); + spin_unlock(&m->write_metric_lock); } -void ceph_update_metadata_latency(struct ceph_client_metric *m, +void ceph_update_metadata_metrics(struct ceph_client_metric *m, ktime_t r_start, ktime_t r_end, int rc) { @@ -315,9 +351,9 @@ void ceph_update_metadata_latency(struct ceph_client_metric *m, if (unlikely(rc && rc != -ENOENT)) return; - spin_lock(&m->metadata_latency_lock); + spin_lock(&m->metadata_metric_lock); __update_latency(&m->total_metadatas, &m->metadata_latency_sum, &m->metadata_latency_min, &m->metadata_latency_max, &m->metadata_latency_sq_sum, lat); - spin_unlock(&m->metadata_latency_lock); + spin_unlock(&m->metadata_metric_lock); } diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h index af6038ff39d4..e984eb2bb14b 100644 --- a/fs/ceph/metric.h +++ b/fs/ceph/metric.h @@ -14,8 +14,11 @@ enum ceph_metric_type { CLIENT_METRIC_TYPE_WRITE_LATENCY, CLIENT_METRIC_TYPE_METADATA_LATENCY, CLIENT_METRIC_TYPE_DENTRY_LEASE, + CLIENT_METRIC_TYPE_OPENED_FILES, + CLIENT_METRIC_TYPE_PINNED_ICAPS, + CLIENT_METRIC_TYPE_OPENED_INODES, - CLIENT_METRIC_TYPE_MAX = CLIENT_METRIC_TYPE_DENTRY_LEASE, + CLIENT_METRIC_TYPE_MAX = CLIENT_METRIC_TYPE_OPENED_INODES, }; /* @@ -28,6 +31,9 @@ enum ceph_metric_type { CLIENT_METRIC_TYPE_WRITE_LATENCY, \ CLIENT_METRIC_TYPE_METADATA_LATENCY, \ CLIENT_METRIC_TYPE_DENTRY_LEASE, \ + CLIENT_METRIC_TYPE_OPENED_FILES, \ + CLIENT_METRIC_TYPE_PINNED_ICAPS, \ + CLIENT_METRIC_TYPE_OPENED_INODES, \ \ CLIENT_METRIC_TYPE_MAX, \ } @@ -94,6 +100,42 @@ struct ceph_metric_dlease { __le64 total; } __packed; +/* metric opened files header */ +struct ceph_opened_files { + __le32 type; /* ceph metric type */ + + __u8 ver; + __u8 compat; + + __le32 data_len; /* length of sizeof(opened_files + total) */ + __le64 opened_files; + __le64 total; +} __packed; + +/* metric pinned i_caps header */ +struct ceph_pinned_icaps { + __le32 type; /* ceph metric type */ + + __u8 ver; + __u8 compat; + + __le32 data_len; /* length of sizeof(pinned_icaps + total) */ + __le64 pinned_icaps; + __le64 total; +} __packed; + +/* metric opened inodes header */ +struct ceph_opened_inodes { + __le32 type; /* ceph metric type */ + + __u8 ver; + __u8 compat; + + __le32 data_len; /* length of sizeof(opened_inodes + total) */ + __le64 opened_inodes; + __le64 total; +} __packed; + struct ceph_metric_head { __le32 num; /* the number of metrics that will be sent */ } __packed; @@ -108,21 +150,21 @@ struct ceph_client_metric { struct percpu_counter i_caps_hit; struct percpu_counter i_caps_mis; - spinlock_t read_latency_lock; + spinlock_t read_metric_lock; u64 total_reads; ktime_t read_latency_sum; ktime_t read_latency_sq_sum; ktime_t read_latency_min; ktime_t read_latency_max; - spinlock_t write_latency_lock; + spinlock_t write_metric_lock; u64 total_writes; ktime_t write_latency_sum; ktime_t write_latency_sq_sum; ktime_t write_latency_min; ktime_t write_latency_max; - spinlock_t metadata_latency_lock; + spinlock_t metadata_metric_lock; u64 total_metadatas; ktime_t metadata_latency_sum; ktime_t metadata_latency_sq_sum; @@ -162,13 +204,13 @@ static inline void ceph_update_cap_mis(struct ceph_client_metric *m) percpu_counter_inc(&m->i_caps_mis); } -extern void ceph_update_read_latency(struct ceph_client_metric *m, +extern void ceph_update_read_metrics(struct ceph_client_metric *m, ktime_t r_start, ktime_t r_end, int rc); -extern void ceph_update_write_latency(struct ceph_client_metric *m, +extern void ceph_update_write_metrics(struct ceph_client_metric *m, ktime_t r_start, ktime_t r_end, int rc); -extern void ceph_update_metadata_latency(struct ceph_client_metric *m, +extern void ceph_update_metadata_metrics(struct ceph_client_metric *m, ktime_t r_start, ktime_t r_end, int rc); #endif /* _FS_CEPH_MDS_METRIC_H */ diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index 0728b01d4d43..4ce18055d931 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -605,7 +605,7 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci, struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb); BUG_ON(capsnap->writing); - capsnap->size = inode->i_size; + capsnap->size = i_size_read(inode); capsnap->mtime = inode->i_mtime; capsnap->atime = inode->i_atime; capsnap->ctime = inode->i_ctime; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index c48bb30c8d70..db80d89556b1 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -21,6 +21,7 @@ #include <linux/ceph/libceph.h> #ifdef CONFIG_CEPH_FSCACHE +#define FSCACHE_USE_NEW_IO_API #include <linux/fscache.h> #endif @@ -333,7 +334,7 @@ struct ceph_inode_info { /* for dirs */ struct timespec64 i_rctime; - u64 i_rbytes, i_rfiles, i_rsubdirs; + u64 i_rbytes, i_rfiles, i_rsubdirs, i_rsnaps; u64 i_files, i_subdirs; /* quotas */ @@ -427,7 +428,6 @@ struct ceph_inode_info { #ifdef CONFIG_CEPH_FSCACHE struct fscache_cookie *fscache; - u32 i_fscache_gen; #endif errseq_t i_meta_err; @@ -529,10 +529,34 @@ static inline int ceph_ino_compare(struct inode *inode, void *data) ci->i_vino.snap == pvino->snap; } +/* + * The MDS reserves a set of inodes for its own usage. These should never + * be accessible by clients, and so the MDS has no reason to ever hand these + * out. The range is CEPH_MDS_INO_MDSDIR_OFFSET..CEPH_INO_SYSTEM_BASE. + * + * These come from src/mds/mdstypes.h in the ceph sources. + */ +#define CEPH_MAX_MDS 0x100 +#define CEPH_NUM_STRAY 10 +#define CEPH_MDS_INO_MDSDIR_OFFSET (1 * CEPH_MAX_MDS) +#define CEPH_INO_SYSTEM_BASE ((6*CEPH_MAX_MDS) + (CEPH_MAX_MDS * CEPH_NUM_STRAY)) + +static inline bool ceph_vino_is_reserved(const struct ceph_vino vino) +{ + if (vino.ino < CEPH_INO_SYSTEM_BASE && + vino.ino >= CEPH_MDS_INO_MDSDIR_OFFSET) { + WARN_RATELIMIT(1, "Attempt to access reserved inode number 0x%llx", vino.ino); + return true; + } + return false; +} static inline struct inode *ceph_find_inode(struct super_block *sb, struct ceph_vino vino) { + if (ceph_vino_is_reserved(vino)) + return NULL; + /* * NB: The hashval will be run through the fs/inode.c hash function * anyway, so there is no need to squash the inode number down to @@ -1156,7 +1180,7 @@ extern int ceph_encode_dentry_release(void **p, struct dentry *dn, int mds, int drop, int unless); extern int ceph_get_caps(struct file *filp, int need, int want, - loff_t endoff, int *got, struct page **pinned_page); + loff_t endoff, int *got); extern int ceph_try_get_caps(struct inode *inode, int need, int want, bool nonblock, int *got); @@ -1193,7 +1217,7 @@ extern const struct dentry_operations ceph_dentry_ops; extern loff_t ceph_make_fpos(unsigned high, unsigned off, bool hash_order); extern int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry); -extern int ceph_handle_snapdir(struct ceph_mds_request *req, +extern struct dentry *ceph_handle_snapdir(struct ceph_mds_request *req, struct dentry *dentry, int err); extern struct dentry *ceph_finish_lookup(struct ceph_mds_request *req, struct dentry *dentry, int err); diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 02f59bcb4f27..1242db8d3444 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -233,6 +233,12 @@ static ssize_t ceph_vxattrcb_dir_rsubdirs(struct ceph_inode_info *ci, char *val, return ceph_fmt_xattr(val, size, "%lld", ci->i_rsubdirs); } +static ssize_t ceph_vxattrcb_dir_rsnaps(struct ceph_inode_info *ci, char *val, + size_t size) +{ + return ceph_fmt_xattr(val, size, "%lld", ci->i_rsnaps); +} + static ssize_t ceph_vxattrcb_dir_rbytes(struct ceph_inode_info *ci, char *val, size_t size) { @@ -384,6 +390,7 @@ static struct ceph_vxattr ceph_dir_vxattrs[] = { XATTR_RSTAT_FIELD(dir, rentries), XATTR_RSTAT_FIELD(dir, rfiles), XATTR_RSTAT_FIELD(dir, rsubdirs), + XATTR_RSTAT_FIELD(dir, rsnaps), XATTR_RSTAT_FIELD(dir, rbytes), XATTR_RSTAT_FIELD(dir, rctime), { diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h index 9a3aed249692..c0395363eab9 100644 --- a/fs/configfs/configfs_internal.h +++ b/fs/configfs/configfs_internal.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset:8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * configfs_internal.h - Internal stuff for configfs * * Based on sysfs: diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index b6098e02e20b..ac5e0c0e9181 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dir.c - Operations for configfs directories. * * Based on sysfs: diff --git a/fs/configfs/file.c b/fs/configfs/file.c index da8351d1e455..e26060dae70a 100644 --- a/fs/configfs/file.c +++ b/fs/configfs/file.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * file.c - operations for regular (text) files. * * Based on sysfs: diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index 42c348bb2903..eb5ec3e46283 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * inode.c - basic inode and dentry operations. * * Based on sysfs: diff --git a/fs/configfs/item.c b/fs/configfs/item.c index 704a4356f137..254170a82aa3 100644 --- a/fs/configfs/item.c +++ b/fs/configfs/item.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * item.c - library routines for handling generic config items * * Based on kobject: diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c index 0c6e8cf61953..c2d820063ec4 100644 --- a/fs/configfs/mount.c +++ b/fs/configfs/mount.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * mount.c - operations for initializing and mounting configfs. * * Based on sysfs: diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c index 77c854364e60..0623c3edcfb9 100644 --- a/fs/configfs/symlink.c +++ b/fs/configfs/symlink.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * symlink.c - operations for configfs symlinks. * * Based on sysfs: diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 943e523f4c9d..345f8061e3b4 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 1997-2004 Erez Zadok @@ -350,7 +350,7 @@ out: return rc; } -/** +/* * lower_offset_for_page * * Convert an eCryptfs page index into a lower byte offset @@ -535,7 +535,7 @@ int ecryptfs_decrypt_page(struct page *page) rc = crypt_extent(crypt_stat, page, page, extent_offset, DECRYPT); if (rc) { - printk(KERN_ERR "%s: Error encrypting extent; " + printk(KERN_ERR "%s: Error decrypting extent; " "rc = [%d]\n", __func__, rc); goto out; } @@ -627,9 +627,8 @@ void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat) } } -/** +/* * ecryptfs_compute_root_iv - * @crypt_stats * * On error, sets the root IV to all 0's. */ @@ -1370,7 +1369,7 @@ int ecryptfs_read_and_validate_xattr_region(struct dentry *dentry, return rc; } -/** +/* * ecryptfs_read_metadata * * Common entry point for reading file metadata. From here, we could @@ -1448,7 +1447,7 @@ out: return rc; } -/** +/* * ecryptfs_encrypt_filename - encrypt filename * * CBC-encrypts the filename. We do not want to encrypt the same @@ -1590,11 +1589,10 @@ out: struct kmem_cache *ecryptfs_key_tfm_cache; static struct list_head key_tfm_list; -struct mutex key_tfm_list_mutex; +DEFINE_MUTEX(key_tfm_list_mutex); int __init ecryptfs_init_crypto(void) { - mutex_init(&key_tfm_list_mutex); INIT_LIST_HEAD(&key_tfm_list); return 0; } @@ -1877,10 +1875,11 @@ out: /** * ecryptfs_encrypt_and_encode_filename - converts a plaintext file name to cipher text - * @crypt_stat: The crypt_stat struct associated with the file anem to encode + * @encoded_name: The encrypted name + * @encoded_name_size: Length of the encrypted name + * @mount_crypt_stat: The crypt_stat struct associated with the file name to encode * @name: The plaintext name - * @length: The length of the plaintext - * @encoded_name: The encypted name + * @name_size: The length of the plaintext name * * Encrypts and encodes a filename into something that constitutes a * valid filename for a filesystem, with printable characters. @@ -1992,7 +1991,7 @@ static bool is_dot_dotdot(const char *name, size_t name_size) * ecryptfs_decode_and_decrypt_filename - converts the encoded cipher text name to decoded plaintext * @plaintext_name: The plaintext name * @plaintext_name_size: The plaintext name size - * @ecryptfs_dir_dentry: eCryptfs directory dentry + * @sb: Ecryptfs's super_block * @name: The filename in cipher text * @name_size: The cipher text name size * diff --git a/fs/ecryptfs/debug.c b/fs/ecryptfs/debug.c index 1f65e99f9a41..cf6d0e8e25a1 100644 --- a/fs/ecryptfs/debug.c +++ b/fs/ecryptfs/debug.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * Functions only useful for debugging. * @@ -9,7 +9,7 @@ #include "ecryptfs_kernel.h" -/** +/* * ecryptfs_dump_auth_tok - debug function to print auth toks * * This function will print the contents of an ecryptfs authentication diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c index 44606f079efb..acaa0825e9bb 100644 --- a/fs/ecryptfs/dentry.c +++ b/fs/ecryptfs/dentry.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 1997-2003 Erez Zadok diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 495fb4514d09..5f2b49e13731 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -513,7 +513,7 @@ ecryptfs_dentry_to_lower_path(struct dentry *dentry) } #define ecryptfs_printk(type, fmt, arg...) \ - __ecryptfs_printk(type "%s: " fmt, __func__, ## arg); + __ecryptfs_printk(type "%s: " fmt, __func__, ## arg) __printf(1, 2) void __ecryptfs_printk(const char *fmt, ...); diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 5fb45d865ce5..18d5b91cb573 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 1997-2004 Erez Zadok @@ -19,7 +19,7 @@ #include <linux/fs_stack.h> #include "ecryptfs_kernel.h" -/** +/* * ecryptfs_read_update_atime * * generic_file_read updates the atime of upper layer inode. But, it diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 0a1ab1db1450..16d50dface59 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 1997-2004 Erez Zadok @@ -199,7 +199,7 @@ out_lock: return inode; } -/** +/* * ecryptfs_initialize_file * * Cause the file to be changed from a basic empty file to an ecryptfs @@ -242,10 +242,8 @@ out: return rc; } -/** +/* * ecryptfs_create - * @dir: The inode of the directory in which to create the file. - * @dentry: The eCryptfs dentry * @mode: The mode of the new file. * * Creates a new file. @@ -313,7 +311,7 @@ static int ecryptfs_i_size_read(struct dentry *dentry, struct inode *inode) return 0; } -/** +/* * ecryptfs_lookup_interpose - Dentry interposition for a lookup */ static struct dentry *ecryptfs_lookup_interpose(struct dentry *dentry, @@ -873,6 +871,7 @@ ecryptfs_permission(struct user_namespace *mnt_userns, struct inode *inode, /** * ecryptfs_setattr + * @mnt_userns: user namespace of the target mount * @dentry: dentry handle to the inode to modify * @ia: Structure with flags of what to change and values * diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index f6a17d259db7..3fe41964c0d8 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * In-kernel key management code. Includes functions to parse and * write authentication token-related packets with the underlying @@ -21,7 +21,7 @@ #include <linux/slab.h> #include "ecryptfs_kernel.h" -/** +/* * request_key returned an error instead of a valid key address; * determine the type of error, make appropriate log entries, and * return an error code. @@ -536,8 +536,9 @@ out: /** * ecryptfs_find_auth_tok_for_sig + * @auth_tok_key: key containing the authentication token * @auth_tok: Set to the matching auth_tok; NULL if not found - * @crypt_stat: inode crypt_stat crypto context + * @mount_crypt_stat: inode crypt_stat crypto context * @sig: Sig of auth_tok to find * * For now, this function simply looks at the registered auth_tok's @@ -576,7 +577,7 @@ ecryptfs_find_auth_tok_for_sig( return rc; } -/** +/* * write_tag_70_packet can gobble a lot of stack space. We stuff most * of the function's parameters in a kmalloc'd struct to help reduce * eCryptfs' overall stack usage. @@ -604,7 +605,7 @@ struct ecryptfs_write_tag_70_packet_silly_stack { struct shash_desc *hash_desc; }; -/** +/* * write_tag_70_packet - Write encrypted filename (EFN) packet against FNEK * @filename: NULL-terminated filename string * @@ -873,7 +874,7 @@ struct ecryptfs_parse_tag_70_packet_silly_stack { }; /** - * parse_tag_70_packet - Parse and process FNEK-encrypted passphrase packet + * ecryptfs_parse_tag_70_packet - Parse and process FNEK-encrypted passphrase packet * @filename: This function kmalloc's the memory for the filename * @filename_size: This function sets this to the amount of memory * kmalloc'd for the filename @@ -1172,7 +1173,7 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, rc = ecryptfs_cipher_code_to_string(crypt_stat->cipher, cipher_code); if (rc) { ecryptfs_printk(KERN_ERR, "Cipher code [%d] is invalid\n", - cipher_code) + cipher_code); goto out; } crypt_stat->flags |= ECRYPTFS_KEY_VALID; diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c index a7c903cb01a0..ae4cb4e2e134 100644 --- a/fs/ecryptfs/kthread.c +++ b/fs/ecryptfs/kthread.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 2008 International Business Machines Corp. @@ -108,6 +108,7 @@ void ecryptfs_destroy_kthread(void) * @lower_file: Result of dentry_open by root on lower dentry * @lower_dentry: Lower dentry for file to open * @lower_mnt: Lower vfsmount for file to open + * @cred: credential to use for this call * * This function gets a r/w file opened against the lower dentry. * diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index cdf40a54a35d..d66bbd2df191 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 1997-2003 Erez Zadok @@ -24,7 +24,7 @@ #include <linux/magic.h> #include "ecryptfs_kernel.h" -/** +/* * Module parameter that defines the ecryptfs_verbosity level. */ int ecryptfs_verbosity = 0; @@ -34,7 +34,7 @@ MODULE_PARM_DESC(ecryptfs_verbosity, "Initial verbosity level (0 or 1; defaults to " "0, which is Quiet)"); -/** +/* * Module parameter that defines the number of message buffer elements */ unsigned int ecryptfs_message_buf_len = ECRYPTFS_DEFAULT_MSG_CTX_ELEMS; @@ -43,7 +43,7 @@ module_param(ecryptfs_message_buf_len, uint, 0); MODULE_PARM_DESC(ecryptfs_message_buf_len, "Number of message buffer elements"); -/** +/* * Module parameter that defines the maximum guaranteed amount of time to wait * for a response from ecryptfsd. The actual sleep time will be, more than * likely, a small amount greater than this specified value, but only less if @@ -57,7 +57,7 @@ MODULE_PARM_DESC(ecryptfs_message_wait_timeout, "sleep while waiting for a message response from " "userspace"); -/** +/* * Module parameter that is an estimate of the maximum number of users * that will be concurrently using eCryptfs. Set this to the right * value to balance performance and memory use. @@ -80,7 +80,7 @@ void __ecryptfs_printk(const char *fmt, ...) va_end(args); } -/** +/* * ecryptfs_init_lower_file * @ecryptfs_dentry: Fully initialized eCryptfs dentry object, with * the lower dentry and the lower mount set @@ -221,7 +221,7 @@ static void ecryptfs_init_mount_crypt_stat( /** * ecryptfs_parse_options - * @sb: The ecryptfs super block + * @sbi: The ecryptfs super block * @options: The options passed to the kernel * @check_ruid: set to 1 if device uid should be checked against the ruid * @@ -466,10 +466,10 @@ out: struct kmem_cache *ecryptfs_sb_info_cache; static struct file_system_type ecryptfs_fs_type; -/** - * ecryptfs_get_sb - * @fs_type - * @flags +/* + * ecryptfs_mount + * @fs_type: The filesystem type that the superblock should belong to + * @flags: The flags associated with the mount * @dev_name: The path to mount over * @raw_data: The options passed into the kernel */ @@ -492,6 +492,12 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags goto out; } + if (!dev_name) { + rc = -EINVAL; + err = "Device name cannot be null"; + goto out; + } + rc = ecryptfs_parse_options(sbi, raw_data, &check_ruid); if (rc) { err = "Error parsing options"; @@ -635,7 +641,7 @@ static struct file_system_type ecryptfs_fs_type = { }; MODULE_ALIAS_FS("ecryptfs"); -/** +/* * inode_info_init_once * * Initializes the ecryptfs_inode_info_cache when it is created diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index c0dfd9647627..6318f3500e5c 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 2004-2008 International Business Machines Corp. @@ -14,10 +14,10 @@ static LIST_HEAD(ecryptfs_msg_ctx_free_list); static LIST_HEAD(ecryptfs_msg_ctx_alloc_list); -static struct mutex ecryptfs_msg_ctx_lists_mux; +static DEFINE_MUTEX(ecryptfs_msg_ctx_lists_mux); static struct hlist_head *ecryptfs_daemon_hash; -struct mutex ecryptfs_daemon_hash_mux; +DEFINE_MUTEX(ecryptfs_daemon_hash_mux); static int ecryptfs_hash_bits; #define ecryptfs_current_euid_hash(uid) \ hash_long((unsigned long)from_kuid(&init_user_ns, current_euid()), ecryptfs_hash_bits) @@ -147,7 +147,7 @@ out: return rc; } -/** +/* * ecryptfs_exorcise_daemon - Destroy the daemon struct * * Must be called ceremoniously while in possession of @@ -181,7 +181,8 @@ out: } /** - * ecryptfs_process_reponse + * ecryptfs_process_response + * @daemon: eCryptfs daemon object * @msg: The ecryptfs message received; the caller should sanity check * msg->data_len and free the memory * @seq: The sequence number of the message; must match the sequence @@ -250,6 +251,7 @@ out: * ecryptfs_send_message_locked * @data: The data to send * @data_len: The length of data + * @msg_type: Type of message * @msg_ctx: The message context allocated for the send * * Must be called with ecryptfs_daemon_hash_mux held. @@ -359,7 +361,6 @@ int __init ecryptfs_init_messaging(void) "too large, defaulting to [%d] users\n", __func__, ecryptfs_number_of_users); } - mutex_init(&ecryptfs_daemon_hash_mux); mutex_lock(&ecryptfs_daemon_hash_mux); ecryptfs_hash_bits = 1; while (ecryptfs_number_of_users >> ecryptfs_hash_bits) @@ -383,7 +384,6 @@ int __init ecryptfs_init_messaging(void) rc = -ENOMEM; goto out; } - mutex_init(&ecryptfs_msg_ctx_lists_mux); mutex_lock(&ecryptfs_msg_ctx_lists_mux); ecryptfs_msg_counter = 0; for (i = 0; i < ecryptfs_message_buf_len; i++) { diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c index 742ece22c1d4..4e62c3cef70f 100644 --- a/fs/ecryptfs/miscdev.c +++ b/fs/ecryptfs/miscdev.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 2008 International Business Machines Corp. @@ -312,6 +312,7 @@ out_unlock_daemon: /** * ecryptfs_miscdev_response - miscdevess response to message previously sent to daemon + * @daemon: eCryptfs daemon object * @data: Bytes comprising struct ecryptfs_message * @data_size: sizeof(struct ecryptfs_message) + data len * @seq: Sequence number for miscdev response packet diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 2f333a40ff4d..392e721b50a3 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * This is where eCryptfs coordinates the symmetric encryption and * decryption of the file data as it passes between the lower @@ -22,7 +22,7 @@ #include <asm/unaligned.h> #include "ecryptfs_kernel.h" -/** +/* * ecryptfs_get_locked_page * * Get one page from cache or lower f/s, return error otherwise. @@ -41,6 +41,7 @@ struct page *ecryptfs_get_locked_page(struct inode *inode, loff_t index) /** * ecryptfs_writepage * @page: Page that is locked before this call is made + * @wbc: Write-back control structure * * Returns zero on success; non-zero otherwise * @@ -78,7 +79,7 @@ static void strip_xattr_flag(char *page_virt, } } -/** +/* * Header Extent: * Octets 0-7: Unencrypted file size (big-endian) * Octets 8-15: eCryptfs special marker @@ -229,7 +230,7 @@ out: return rc; } -/** +/* * Called with lower inode mutex held. */ static int fill_zeros_to_end_of_page(struct page *page, unsigned int to) @@ -368,7 +369,7 @@ out: return rc; } -/** +/* * ecryptfs_write_inode_size_to_header * * Writes the lower file size to the first 8 bytes of the header. diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c index 0438997ac9d8..60bdcaddcbe5 100644 --- a/fs/ecryptfs/read_write.c +++ b/fs/ecryptfs/read_write.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 2007 International Business Machines Corp. @@ -230,6 +230,8 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size, * ecryptfs_read_lower_page_segment * @page_for_ecryptfs: The page into which data for eCryptfs will be * written + * @page_index: Page index in @page_for_ecryptfs from which to start + * writing * @offset_in_page: Offset in @page_for_ecryptfs from which to start * writing * @size: The number of bytes to write into @page_for_ecryptfs diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c index 6b1853f1c06a..39116af0390f 100644 --- a/fs/ecryptfs/super.c +++ b/fs/ecryptfs/super.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/** +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 1997-2003 Erez Zadok @@ -81,7 +81,7 @@ static void ecryptfs_destroy_inode(struct inode *inode) /** * ecryptfs_statfs - * @sb: The ecryptfs super block + * @dentry: The ecryptfs dentry * @buf: The struct kstatfs to fill in with stats * * Get the filesystem statistics. Currently, we let this pass right through @@ -108,7 +108,7 @@ static int ecryptfs_statfs(struct dentry *dentry, struct kstatfs *buf) /** * ecryptfs_evict_inode - * @inode - The ecryptfs inode + * @inode: The ecryptfs inode * * Called by iput() when the inode reference count reached zero * and the inode is not hashed anywhere. Used to clear anything @@ -123,7 +123,7 @@ static void ecryptfs_evict_inode(struct inode *inode) iput(ecryptfs_inode_to_lower(inode)); } -/** +/* * ecryptfs_show_options * * Prints the mount options for a given superblock. diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 73138ea68342..1e596e1d0bba 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -657,6 +657,12 @@ static void ep_done_scan(struct eventpoll *ep, */ list_splice(txlist, &ep->rdllist); __pm_relax(ep->ws); + + if (!list_empty(&ep->rdllist)) { + if (waitqueue_active(&ep->wq)) + wake_up(&ep->wq); + } + write_unlock_irq(&ep->lock); } diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c index f7e3304b7802..860e884e56e8 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -771,7 +771,7 @@ int fat_trim_fs(struct inode *inode, struct fstrim_range *range) /* * FAT data is organized as clusters, trim at the granulary of cluster. * - * fstrim_range is in byte, convert vaules to cluster index. + * fstrim_range is in byte, convert values to cluster index. * Treat sectors before data region as all used, not to trim them. */ ent_start = max_t(u64, range->start>>sbi->cluster_bits, FAT_START_ENT); diff --git a/fs/hpfs/hpfs.h b/fs/hpfs/hpfs.h index 302f45101a96..d92c4af3e1b4 100644 --- a/fs/hpfs/hpfs.h +++ b/fs/hpfs/hpfs.h @@ -356,7 +356,8 @@ struct hpfs_dirent { u8 no_of_acls; /* number of ACL's (low 3 bits) */ u8 ix; /* code page index (of filename), see struct code_page_data */ - u8 namelen, name[1]; /* file name */ + u8 namelen; /* file name length */ + u8 name[]; /* file name */ /* dnode_secno down; btree down pointer, if present, follows name on next word boundary, or maybe it precedes next dirent, which is on a word boundary. */ diff --git a/fs/io_uring.c b/fs/io_uring.c index 360f81395d81..f46acbbeed57 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -251,7 +251,7 @@ struct io_rsrc_data { struct io_buffer { struct list_head list; __u64 addr; - __s32 len; + __u32 len; __u16 bid; }; @@ -456,6 +456,7 @@ struct io_ring_ctx { spinlock_t rsrc_ref_lock; struct io_rsrc_node *rsrc_node; struct io_rsrc_node *rsrc_backup_node; + struct io_mapped_ubuf *dummy_ubuf; struct io_restriction restrictions; @@ -702,7 +703,8 @@ enum { REQ_F_FORCE_ASYNC_BIT = IOSQE_ASYNC_BIT, REQ_F_BUFFER_SELECT_BIT = IOSQE_BUFFER_SELECT_BIT, - REQ_F_FAIL_LINK_BIT, + /* first byte is taken by user flags, shift it to not overlap */ + REQ_F_FAIL_LINK_BIT = 8, REQ_F_INFLIGHT_BIT, REQ_F_CUR_POS_BIT, REQ_F_NOWAIT_BIT, @@ -1157,6 +1159,12 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) goto err; __hash_init(ctx->cancel_hash, 1U << hash_bits); + ctx->dummy_ubuf = kzalloc(sizeof(*ctx->dummy_ubuf), GFP_KERNEL); + if (!ctx->dummy_ubuf) + goto err; + /* set invalid range, so io_import_fixed() fails meeting it */ + ctx->dummy_ubuf->ubuf = -1UL; + if (percpu_ref_init(&ctx->refs, io_ring_ctx_ref_free, PERCPU_REF_ALLOW_REINIT, GFP_KERNEL)) goto err; @@ -1184,6 +1192,7 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) INIT_LIST_HEAD(&ctx->submit_state.comp.locked_free_list); return ctx; err: + kfree(ctx->dummy_ubuf); kfree(ctx->cancel_hash); kfree(ctx); return NULL; @@ -3977,7 +3986,7 @@ static int io_add_buffers(struct io_provide_buf *pbuf, struct io_buffer **head) break; buf->addr = addr; - buf->len = pbuf->len; + buf->len = min_t(__u32, pbuf->len, MAX_RW_COUNT); buf->bid = bid; addr += pbuf->len; bid++; @@ -6503,14 +6512,10 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req, req->work.creds = NULL; /* enforce forwards compatibility on users */ - if (unlikely(sqe_flags & ~SQE_VALID_FLAGS)) { - req->flags = 0; + if (unlikely(sqe_flags & ~SQE_VALID_FLAGS)) return -EINVAL; - } - if (unlikely(req->opcode >= IORING_OP_LAST)) return -EINVAL; - if (unlikely(!io_check_restriction(ctx, req, sqe_flags))) return -EACCES; @@ -7539,6 +7544,7 @@ static void __io_rsrc_put_work(struct io_rsrc_node *ref_node) io_ring_submit_lock(ctx, lock_ring); spin_lock_irqsave(&ctx->completion_lock, flags); io_cqring_fill_event(ctx, prsrc->tag, 0, 0); + ctx->cq_extra++; io_commit_cqring(ctx); spin_unlock_irqrestore(&ctx->completion_lock, flags); io_cqring_ev_posted(ctx); @@ -8111,11 +8117,13 @@ static void io_buffer_unmap(struct io_ring_ctx *ctx, struct io_mapped_ubuf **slo struct io_mapped_ubuf *imu = *slot; unsigned int i; - for (i = 0; i < imu->nr_bvecs; i++) - unpin_user_page(imu->bvec[i].bv_page); - if (imu->acct_pages) - io_unaccount_mem(ctx, imu->acct_pages); - kvfree(imu); + if (imu != ctx->dummy_ubuf) { + for (i = 0; i < imu->nr_bvecs; i++) + unpin_user_page(imu->bvec[i].bv_page); + if (imu->acct_pages) + io_unaccount_mem(ctx, imu->acct_pages); + kvfree(imu); + } *slot = NULL; } @@ -8132,7 +8140,7 @@ static void __io_sqe_buffers_unregister(struct io_ring_ctx *ctx) for (i = 0; i < ctx->nr_user_bufs; i++) io_buffer_unmap(ctx, &ctx->user_bufs[i]); kfree(ctx->user_bufs); - kfree(ctx->buf_data); + io_rsrc_data_free(ctx->buf_data); ctx->user_bufs = NULL; ctx->buf_data = NULL; ctx->nr_user_bufs = 0; @@ -8255,6 +8263,11 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, struct iovec *iov, size_t size; int ret, pret, nr_pages, i; + if (!iov->iov_base) { + *pimu = ctx->dummy_ubuf; + return 0; + } + ubuf = (unsigned long) iov->iov_base; end = (ubuf + iov->iov_len + PAGE_SIZE - 1) >> PAGE_SHIFT; start = ubuf >> PAGE_SHIFT; @@ -8352,7 +8365,9 @@ static int io_buffer_validate(struct iovec *iov) * constraints here, we'll -EINVAL later when IO is * submitted if they are wrong. */ - if (!iov->iov_base || !iov->iov_len) + if (!iov->iov_base) + return iov->iov_len ? -EFAULT : 0; + if (!iov->iov_len) return -EFAULT; /* arbitrary limit, but we need something */ @@ -8385,7 +8400,7 @@ static int io_sqe_buffers_register(struct io_ring_ctx *ctx, void __user *arg, return -ENOMEM; ret = io_buffers_map_alloc(ctx, nr_args); if (ret) { - kfree(data); + io_rsrc_data_free(data); return ret; } @@ -8402,6 +8417,10 @@ static int io_sqe_buffers_register(struct io_ring_ctx *ctx, void __user *arg, ret = io_buffer_validate(&iov); if (ret) break; + if (!iov.iov_base && tag) { + ret = -EINVAL; + break; + } ret = io_sqe_buffer_register(ctx, &iov, &ctx->user_bufs[i], &last_hpage); @@ -8451,12 +8470,16 @@ static int __io_sqe_buffers_update(struct io_ring_ctx *ctx, err = io_buffer_validate(&iov); if (err) break; + if (!iov.iov_base && tag) { + err = -EINVAL; + break; + } err = io_sqe_buffer_register(ctx, &iov, &imu, &last_hpage); if (err) break; i = array_index_nospec(offset, ctx->nr_user_bufs); - if (ctx->user_bufs[i]) { + if (ctx->user_bufs[i] != ctx->dummy_ubuf) { err = io_queue_rsrc_removal(ctx->buf_data, offset, ctx->rsrc_node, ctx->user_bufs[i]); if (unlikely(err)) { @@ -8604,6 +8627,7 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx) if (ctx->hash_map) io_wq_put_hash(ctx->hash_map); kfree(ctx->cancel_hash); + kfree(ctx->dummy_ubuf); kfree(ctx); } @@ -9607,7 +9631,9 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p, if (ret) goto err; /* always set a rsrc node */ - io_rsrc_node_switch_start(ctx); + ret = io_rsrc_node_switch_start(ctx); + if (ret) + goto err; io_rsrc_node_switch(ctx, NULL); memset(&p->sq_off, 0, sizeof(p->sq_off)); @@ -10136,6 +10162,13 @@ static int __init io_uring_init(void) BUILD_BUG_SQE_ELEM(42, __u16, personality); BUILD_BUG_SQE_ELEM(44, __s32, splice_fd_in); + BUILD_BUG_ON(sizeof(struct io_uring_files_update) != + sizeof(struct io_uring_rsrc_update)); + BUILD_BUG_ON(sizeof(struct io_uring_rsrc_update) > + sizeof(struct io_uring_rsrc_update2)); + /* should fit into one byte */ + BUILD_BUG_ON(SQE_VALID_FLAGS >= (1 << 8)); + BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST); BUILD_BUG_ON(__REQ_F_LAST_BIT >= 8 * sizeof(int)); req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC | diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 0129e6bab985..f2cd2034a87b 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1134,9 +1134,7 @@ iomap_ioend_can_merge(struct iomap_ioend *ioend, struct iomap_ioend *next) } void -iomap_ioend_try_merge(struct iomap_ioend *ioend, struct list_head *more_ioends, - void (*merge_private)(struct iomap_ioend *ioend, - struct iomap_ioend *next)) +iomap_ioend_try_merge(struct iomap_ioend *ioend, struct list_head *more_ioends) { struct iomap_ioend *next; @@ -1148,8 +1146,6 @@ iomap_ioend_try_merge(struct iomap_ioend *ioend, struct list_head *more_ioends, break; list_move_tail(&next->io_list, &ioend->io_list); ioend->io_size += next->io_size; - if (next->io_private && merge_private) - merge_private(ioend, next); } } EXPORT_SYMBOL_GPL(iomap_ioend_try_merge); @@ -1236,7 +1232,6 @@ iomap_alloc_ioend(struct inode *inode, struct iomap_writepage_ctx *wpc, ioend->io_inode = inode; ioend->io_size = 0; ioend->io_offset = offset; - ioend->io_private = NULL; ioend->io_bio = bio; return ioend; } diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c index 94ef92fe806c..4880146babaf 100644 --- a/fs/isofs/rock.c +++ b/fs/isofs/rock.c @@ -767,6 +767,7 @@ repeat: rs.cont_extent = isonum_733(rr->u.CE.extent); rs.cont_offset = isonum_733(rr->u.CE.offset); rs.cont_size = isonum_733(rr->u.CE.size); + break; default: break; } diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index f7786e00a6a7..ed9d580826f5 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -137,12 +137,12 @@ static struct inode *nfs_layout_find_inode_by_stateid(struct nfs_client *clp, list_for_each_entry_rcu(lo, &server->layouts, plh_layouts) { if (!pnfs_layout_is_valid(lo)) continue; - if (stateid != NULL && - !nfs4_stateid_match_other(stateid, &lo->plh_stateid)) + if (!nfs4_stateid_match_other(stateid, &lo->plh_stateid)) continue; - if (!nfs_sb_active(server->super)) - continue; - inode = igrab(lo->plh_inode); + if (nfs_sb_active(server->super)) + inode = igrab(lo->plh_inode); + else + inode = ERR_PTR(-EAGAIN); rcu_read_unlock(); if (inode) return inode; @@ -176,9 +176,10 @@ static struct inode *nfs_layout_find_inode_by_fh(struct nfs_client *clp, continue; if (nfsi->layout != lo) continue; - if (!nfs_sb_active(server->super)) - continue; - inode = igrab(lo->plh_inode); + if (nfs_sb_active(server->super)) + inode = igrab(lo->plh_inode); + else + inode = ERR_PTR(-EAGAIN); rcu_read_unlock(); if (inode) return inode; diff --git a/fs/nfs/client.c b/fs/nfs/client.c index ff5c4d0d6d13..cfeaadf56bf0 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -476,7 +476,6 @@ void nfs_init_timeout_values(struct rpc_timeout *to, int proto, to->to_maxval = to->to_initval; to->to_exponential = 0; break; -#ifndef CONFIG_NFS_DISABLE_UDP_SUPPORT case XPRT_TRANSPORT_UDP: if (retrans == NFS_UNSPEC_RETRANS) to->to_retries = NFS_DEF_UDP_RETRANS; @@ -487,7 +486,6 @@ void nfs_init_timeout_values(struct rpc_timeout *to, int proto, to->to_maxval = NFS_MAX_UDP_TIMEOUT; to->to_exponential = 1; break; -#endif default: BUG(); } @@ -698,9 +696,18 @@ static int nfs_init_server(struct nfs_server *server, /* Initialise the client representation from the mount data */ server->flags = ctx->flags; server->options = ctx->options; - server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID| - NFS_CAP_MODE|NFS_CAP_NLINK|NFS_CAP_OWNER|NFS_CAP_OWNER_GROUP| - NFS_CAP_ATIME|NFS_CAP_CTIME|NFS_CAP_MTIME; + server->caps |= NFS_CAP_HARDLINKS | NFS_CAP_SYMLINKS; + + switch (clp->rpc_ops->version) { + case 2: + server->fattr_valid = NFS_ATTR_FATTR_V2; + break; + case 3: + server->fattr_valid = NFS_ATTR_FATTR_V3; + break; + default: + server->fattr_valid = NFS_ATTR_FATTR_V4; + } if (ctx->rsize) server->rsize = nfs_block_size(ctx->rsize, NULL); @@ -794,6 +801,7 @@ static void nfs_server_set_fsinfo(struct nfs_server *server, server->maxfilesize = fsinfo->maxfilesize; server->time_delta = fsinfo->time_delta; + server->change_attr_type = fsinfo->change_attr_type; server->clone_blksize = fsinfo->clone_blksize; /* We're airborne Set socket buffersize */ @@ -935,6 +943,8 @@ struct nfs_server *nfs_alloc_server(void) return NULL; } + server->change_attr_type = NFS4_CHANGE_TYPE_IS_UNDEFINED; + ida_init(&server->openowner_id); ida_init(&server->lockowner_id); pnfs_init_server(server); diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 04bf8066980c..e6ec6f09ac6e 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -114,7 +114,7 @@ nfs4_do_check_delegation(struct inode *inode, fmode_t flags, bool mark) return ret; } /** - * nfs_have_delegation - check if inode has a delegation, mark it + * nfs4_have_delegation - check if inode has a delegation, mark it * NFS_DELEGATION_REFERENCED if there is one. * @inode: inode to check * @flags: delegation types to check for @@ -481,6 +481,22 @@ int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred, if (freeme == NULL) goto out; add_new: + /* + * If we didn't revalidate the change attribute before setting + * the delegation, then pre-emptively ask for a full attribute + * cache revalidation. + */ + spin_lock(&inode->i_lock); + if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_CHANGE) + nfs_set_cache_invalid(inode, + NFS_INO_INVALID_ATIME | NFS_INO_INVALID_CTIME | + NFS_INO_INVALID_MTIME | NFS_INO_INVALID_SIZE | + NFS_INO_INVALID_BLOCKS | NFS_INO_INVALID_NLINK | + NFS_INO_INVALID_OTHER | NFS_INO_INVALID_DATA | + NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL | + NFS_INO_INVALID_XATTR); + spin_unlock(&inode->i_lock); + list_add_tail_rcu(&delegation->super_list, &server->delegations); rcu_assign_pointer(nfsi->delegation, delegation); delegation = NULL; @@ -488,11 +504,6 @@ add_new: atomic_long_inc(&nfs_active_delegations); trace_nfs4_set_delegation(inode, type); - - spin_lock(&inode->i_lock); - if (NFS_I(inode)->cache_validity & (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME)) - NFS_I(inode)->cache_validity |= NFS_INO_REVAL_FORCED; - spin_unlock(&inode->i_lock); out: spin_unlock(&clp->cl_lock); if (delegation != NULL) @@ -674,7 +685,7 @@ void nfs_inode_evict_delegation(struct inode *inode) } /** - * nfs_inode_return_delegation - synchronously return a delegation + * nfs4_inode_return_delegation - synchronously return a delegation * @inode: inode to process * * This routine will always flush any dirty data to disk on the @@ -697,7 +708,7 @@ int nfs4_inode_return_delegation(struct inode *inode) } /** - * nfs_inode_return_delegation_on_close - asynchronously return a delegation + * nfs4_inode_return_delegation_on_close - asynchronously return a delegation * @inode: inode to process * * This routine is called on file close in order to determine if the @@ -811,7 +822,7 @@ void nfs_expire_all_delegations(struct nfs_client *clp) } /** - * nfs_super_return_all_delegations - return delegations for one superblock + * nfs_server_return_all_delegations - return delegations for one superblock * @server: pointer to nfs_server to process * */ diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 9b00a0b7f832..c19b4fd20781 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -84,8 +84,7 @@ int nfs4_inode_make_writeable(struct inode *inode); static inline int nfs_have_delegated_attributes(struct inode *inode) { - return NFS_PROTO(inode)->have_delegation(inode, FMODE_READ) && - !(NFS_I(inode)->cache_validity & NFS_INO_REVAL_FORCED); + return NFS_PROTO(inode)->have_delegation(inode, FMODE_READ); } #endif diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index fc4f490f2d78..1a6d2867fba4 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -866,6 +866,8 @@ static int nfs_readdir_xdr_to_array(struct nfs_readdir_descriptor *desc, break; } + verf_arg = verf_res; + status = nfs_readdir_page_filler(desc, entry, pages, pglen, arrays, narrays); } while (!status && nfs_readdir_page_needs_filling(page)); @@ -927,7 +929,12 @@ static int find_and_lock_cache_page(struct nfs_readdir_descriptor *desc) } return res; } - memcpy(nfsi->cookieverf, verf, sizeof(nfsi->cookieverf)); + /* + * Set the cookie verifier if the page cache was empty + */ + if (desc->page_index == 0) + memcpy(nfsi->cookieverf, verf, + sizeof(nfsi->cookieverf)); } res = nfs_readdir_search_array(desc); if (res == 0) { @@ -974,10 +981,10 @@ static int readdir_search_pagecache(struct nfs_readdir_descriptor *desc) /* * Once we've found the start of the dirent within a page: fill 'er up... */ -static void nfs_do_filldir(struct nfs_readdir_descriptor *desc) +static void nfs_do_filldir(struct nfs_readdir_descriptor *desc, + const __be32 *verf) { struct file *file = desc->file; - struct nfs_inode *nfsi = NFS_I(file_inode(file)); struct nfs_cache_array *array; unsigned int i = 0; @@ -991,7 +998,7 @@ static void nfs_do_filldir(struct nfs_readdir_descriptor *desc) desc->eof = true; break; } - memcpy(desc->verf, nfsi->cookieverf, sizeof(desc->verf)); + memcpy(desc->verf, verf, sizeof(desc->verf)); if (i < (array->size-1)) desc->dir_cookie = array->array[i+1].cookie; else @@ -1048,7 +1055,7 @@ static int uncached_readdir(struct nfs_readdir_descriptor *desc) for (i = 0; !desc->eof && i < sz && arrays[i]; i++) { desc->page = arrays[i]; - nfs_do_filldir(desc); + nfs_do_filldir(desc, verf); } desc->page = NULL; @@ -1069,6 +1076,7 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx) { struct dentry *dentry = file_dentry(file); struct inode *inode = d_inode(dentry); + struct nfs_inode *nfsi = NFS_I(inode); struct nfs_open_dir_context *dir_ctx = file->private_data; struct nfs_readdir_descriptor *desc; int res; @@ -1122,7 +1130,7 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx) break; } if (res == -ETOOSMALL && desc->plus) { - clear_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(inode)->flags); + clear_bit(NFS_INO_ADVISE_RDPLUS, &nfsi->flags); nfs_zap_caches(inode); desc->page_index = 0; desc->plus = false; @@ -1132,7 +1140,7 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx) if (res < 0) break; - nfs_do_filldir(desc); + nfs_do_filldir(desc, nfsi->cookieverf); nfs_readdir_page_unlock_and_put_cached(desc); } while (!desc->eof); @@ -1703,7 +1711,7 @@ static void nfs_drop_nlink(struct inode *inode) NFS_I(inode)->attr_gencount = nfs_inc_attr_generation_counter(); nfs_set_cache_invalid( inode, NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_CTIME | - NFS_INO_INVALID_OTHER | NFS_INO_REVAL_FORCED); + NFS_INO_INVALID_NLINK); spin_unlock(&inode->i_lock); } @@ -2940,7 +2948,7 @@ static int nfs_execute_ok(struct inode *inode, int mask) if (S_ISDIR(inode->i_mode)) return 0; - if (nfs_check_cache_invalid(inode, NFS_INO_INVALID_OTHER)) { + if (nfs_check_cache_invalid(inode, NFS_INO_INVALID_MODE)) { if (mask & MAY_NOT_BLOCK) return -ECHILD; ret = __nfs_revalidate_inode(server, inode); @@ -2998,16 +3006,10 @@ out_notsup: if (mask & MAY_NOT_BLOCK) return -ECHILD; - res = nfs_revalidate_inode(NFS_SERVER(inode), inode); + res = nfs_revalidate_inode(inode, NFS_INO_INVALID_MODE | + NFS_INO_INVALID_OTHER); if (res == 0) res = generic_permission(&init_user_ns, inode, mask); goto out; } EXPORT_SYMBOL_GPL(nfs_permission); - -/* - * Local variables: - * version-control: t - * kept-new-versions: 5 - * End: - */ diff --git a/fs/nfs/export.c b/fs/nfs/export.c index f2b34cfe286c..37a1a88df771 100644 --- a/fs/nfs/export.c +++ b/fs/nfs/export.c @@ -169,19 +169,8 @@ out: static u64 nfs_fetch_iversion(struct inode *inode) { - struct nfs_server *server = NFS_SERVER(inode); - - /* Is this the right call?: */ - nfs_revalidate_inode(server, inode); - /* - * Also, note we're ignoring any returned error. That seems to be - * the practice for cache consistency information elsewhere in - * the server, but I'm not sure why. - */ - if (server->nfs_client->rpc_ops->version >= 4) - return inode_peek_iversion_raw(inode); - else - return time_to_chattr(&inode->i_ctime); + nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE); + return inode_peek_iversion_raw(inode); } const struct export_operations nfs_export_ops = { diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 16ad5050e046..1fef107961bc 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -105,7 +105,7 @@ static int nfs_revalidate_file_size(struct inode *inode, struct file *filp) if (filp->f_flags & O_DIRECT) goto force_reval; - if (nfs_check_cache_invalid(inode, NFS_INO_REVAL_PAGECACHE)) + if (nfs_check_cache_invalid(inode, NFS_INO_INVALID_SIZE)) goto force_reval; return 0; force_reval: diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 872112bffcab..d383de00d486 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -106,7 +106,7 @@ static int decode_nfs_fh(struct xdr_stream *xdr, struct nfs_fh *fh) if (unlikely(!p)) return -ENOBUFS; fh->size = be32_to_cpup(p++); - if (fh->size > sizeof(struct nfs_fh)) { + if (fh->size > NFS_MAXFHSIZE) { printk(KERN_ERR "NFS flexfiles: Too big fh received %d\n", fh->size); return -EOVERFLOW; diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c index a06d213d7689..d95c9a39bc70 100644 --- a/fs/nfs/fs_context.c +++ b/fs/nfs/fs_context.c @@ -283,20 +283,40 @@ static int nfs_verify_server_address(struct sockaddr *addr) return 0; } +#ifdef CONFIG_NFS_DISABLE_UDP_SUPPORT +static bool nfs_server_transport_udp_invalid(const struct nfs_fs_context *ctx) +{ + return true; +} +#else +static bool nfs_server_transport_udp_invalid(const struct nfs_fs_context *ctx) +{ + if (ctx->version == 4) + return true; + return false; +} +#endif + /* * Sanity check the NFS transport protocol. - * */ -static void nfs_validate_transport_protocol(struct nfs_fs_context *ctx) +static int nfs_validate_transport_protocol(struct fs_context *fc, + struct nfs_fs_context *ctx) { switch (ctx->nfs_server.protocol) { case XPRT_TRANSPORT_UDP: + if (nfs_server_transport_udp_invalid(ctx)) + goto out_invalid_transport_udp; + break; case XPRT_TRANSPORT_TCP: case XPRT_TRANSPORT_RDMA: break; default: ctx->nfs_server.protocol = XPRT_TRANSPORT_TCP; } + return 0; +out_invalid_transport_udp: + return nfs_invalf(fc, "NFS: Unsupported transport protocol udp"); } /* @@ -305,8 +325,6 @@ static void nfs_validate_transport_protocol(struct nfs_fs_context *ctx) */ static void nfs_set_mount_transport_protocol(struct nfs_fs_context *ctx) { - nfs_validate_transport_protocol(ctx); - if (ctx->mount_server.protocol == XPRT_TRANSPORT_UDP || ctx->mount_server.protocol == XPRT_TRANSPORT_TCP) return; @@ -932,6 +950,7 @@ static int nfs23_parse_monolithic(struct fs_context *fc, struct nfs_fh *mntfh = ctx->mntfh; struct sockaddr *sap = (struct sockaddr *)&ctx->nfs_server.address; int extra_flags = NFS_MOUNT_LEGACY_INTERFACE; + int ret; if (data == NULL) goto out_no_data; @@ -977,6 +996,15 @@ static int nfs23_parse_monolithic(struct fs_context *fc, sizeof(mntfh->data) - mntfh->size); /* + * for proto == XPRT_TRANSPORT_UDP, which is what uses + * to_exponential, implying shift: limit the shift value + * to BITS_PER_LONG (majortimeo is unsigned long) + */ + if (!(data->flags & NFS_MOUNT_TCP)) /* this will be UDP */ + if (data->retrans >= 64) /* shift value is too large */ + goto out_invalid_data; + + /* * Translate to nfs_fs_context, which nfs_fill_super * can deal with. */ @@ -1048,6 +1076,10 @@ static int nfs23_parse_monolithic(struct fs_context *fc, goto generic; } + ret = nfs_validate_transport_protocol(fc, ctx); + if (ret) + return ret; + ctx->skip_reconfig_option_check = true; return 0; @@ -1076,6 +1108,9 @@ out_no_address: out_invalid_fh: return nfs_invalf(fc, "NFS: invalid root filehandle"); + +out_invalid_data: + return nfs_invalf(fc, "NFS: invalid binary mount data"); } #if IS_ENABLED(CONFIG_NFS_V4) @@ -1146,6 +1181,7 @@ static int nfs4_parse_monolithic(struct fs_context *fc, { struct nfs_fs_context *ctx = nfs_fc2context(fc); struct sockaddr *sap = (struct sockaddr *)&ctx->nfs_server.address; + int ret; char *c; if (!data) { @@ -1218,9 +1254,9 @@ static int nfs4_parse_monolithic(struct fs_context *fc, ctx->acdirmin = data->acdirmin; ctx->acdirmax = data->acdirmax; ctx->nfs_server.protocol = data->proto; - nfs_validate_transport_protocol(ctx); - if (ctx->nfs_server.protocol == XPRT_TRANSPORT_UDP) - goto out_invalid_transport_udp; + ret = nfs_validate_transport_protocol(fc, ctx); + if (ret) + return ret; done: ctx->skip_reconfig_option_check = true; return 0; @@ -1231,9 +1267,6 @@ out_inval_auth: out_no_address: return nfs_invalf(fc, "NFS4: mount program didn't pass remote address"); - -out_invalid_transport_udp: - return nfs_invalf(fc, "NFS: Unsupported transport protocol udp"); } #endif @@ -1298,6 +1331,10 @@ static int nfs_fs_context_validate(struct fs_context *fc) if (!nfs_verify_server_address(sap)) goto out_no_address; + ret = nfs_validate_transport_protocol(fc, ctx); + if (ret) + return ret; + if (ctx->version == 4) { if (IS_ENABLED(CONFIG_NFS_V4)) { if (ctx->nfs_server.protocol == XPRT_TRANSPORT_RDMA) @@ -1306,9 +1343,6 @@ static int nfs_fs_context_validate(struct fs_context *fc) port = NFS_PORT; max_namelen = NFS4_MAXNAMLEN; max_pathlen = NFS4_MAXPATHLEN; - nfs_validate_transport_protocol(ctx); - if (ctx->nfs_server.protocol == XPRT_TRANSPORT_UDP) - goto out_invalid_transport_udp; ctx->flags &= ~(NFS_MOUNT_NONLM | NFS_MOUNT_NOACL | NFS_MOUNT_VER3 | NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL); @@ -1317,10 +1351,6 @@ static int nfs_fs_context_validate(struct fs_context *fc) } } else { nfs_set_mount_transport_protocol(ctx); -#ifdef CONFIG_NFS_DISABLE_UDP_SUPPORT - if (ctx->nfs_server.protocol == XPRT_TRANSPORT_UDP) - goto out_invalid_transport_udp; -#endif if (ctx->nfs_server.protocol == XPRT_TRANSPORT_RDMA) port = NFS_RDMA_PORT; } @@ -1354,8 +1384,6 @@ out_no_device_name: out_v4_not_compiled: nfs_errorf(fc, "NFS: NFSv4 is not compiled into kernel"); return -EPROTONOSUPPORT; -out_invalid_transport_udp: - return nfs_invalf(fc, "NFS: Unsupported transport protocol udp"); out_no_address: return nfs_invalf(fc, "NFS: mount program didn't pass remote address"); out_mountproto_mismatch: diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 5a8854de0c19..529c4099f482 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -164,34 +164,19 @@ static int nfs_attribute_timeout(struct inode *inode) return !time_in_range_open(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo); } -static bool nfs_check_cache_invalid_delegated(struct inode *inode, unsigned long flags) +static bool nfs_check_cache_flags_invalid(struct inode *inode, + unsigned long flags) { unsigned long cache_validity = READ_ONCE(NFS_I(inode)->cache_validity); - /* Special case for the pagecache or access cache */ - if (flags == NFS_INO_REVAL_PAGECACHE && - !(cache_validity & NFS_INO_REVAL_FORCED)) - return false; return (cache_validity & flags) != 0; } -static bool nfs_check_cache_invalid_not_delegated(struct inode *inode, unsigned long flags) -{ - unsigned long cache_validity = READ_ONCE(NFS_I(inode)->cache_validity); - - if ((cache_validity & flags) != 0) - return true; - if (nfs_attribute_timeout(inode)) - return true; - return false; -} - bool nfs_check_cache_invalid(struct inode *inode, unsigned long flags) { - if (NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) - return nfs_check_cache_invalid_delegated(inode, flags); - - return nfs_check_cache_invalid_not_delegated(inode, flags); + if (nfs_check_cache_flags_invalid(inode, flags)) + return true; + return nfs_attribute_cache_expired(inode); } EXPORT_SYMBOL_GPL(nfs_check_cache_invalid); @@ -214,20 +199,21 @@ void nfs_set_cache_invalid(struct inode *inode, unsigned long flags) if (have_delegation) { if (!(flags & NFS_INO_REVAL_FORCED)) - flags &= ~NFS_INO_INVALID_OTHER; - flags &= ~(NFS_INO_INVALID_CHANGE - | NFS_INO_INVALID_SIZE - | NFS_INO_REVAL_PAGECACHE - | NFS_INO_INVALID_XATTR); - } + flags &= ~(NFS_INO_INVALID_MODE | + NFS_INO_INVALID_OTHER | + NFS_INO_INVALID_XATTR); + flags &= ~(NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE); + } else if (flags & NFS_INO_REVAL_PAGECACHE) + flags |= NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE; if (!nfs_has_xattr_cache(nfsi)) flags &= ~NFS_INO_INVALID_XATTR; + if (flags & NFS_INO_INVALID_DATA) + nfs_fscache_invalidate(inode); if (inode->i_mapping->nrpages == 0) flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER); + flags &= ~(NFS_INO_REVAL_PAGECACHE | NFS_INO_REVAL_FORCED); nfsi->cache_validity |= flags; - if (flags & NFS_INO_INVALID_DATA) - nfs_fscache_invalidate(inode); } EXPORT_SYMBOL_GPL(nfs_set_cache_invalid); @@ -452,6 +438,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st .fattr = fattr }; struct inode *inode = ERR_PTR(-ENOENT); + u64 fattr_supported = NFS_SB(sb)->fattr_valid; unsigned long hash; nfs_attr_check_mountpoint(sb, fattr); @@ -484,8 +471,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st inode->i_mode = fattr->mode; nfsi->cache_validity = 0; if ((fattr->valid & NFS_ATTR_FATTR_MODE) == 0 - && nfs_server_capable(inode, NFS_CAP_MODE)) - nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER); + && (fattr_supported & NFS_ATTR_FATTR_MODE)) + nfs_set_cache_invalid(inode, NFS_INO_INVALID_MODE); /* Why so? Because we want revalidate for devices/FIFOs, and * that's precisely what we have in nfs_file_inode_operations. */ @@ -530,15 +517,15 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st nfsi->attr_gencount = fattr->gencount; if (fattr->valid & NFS_ATTR_FATTR_ATIME) inode->i_atime = fattr->atime; - else if (nfs_server_capable(inode, NFS_CAP_ATIME)) + else if (fattr_supported & NFS_ATTR_FATTR_ATIME) nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATIME); if (fattr->valid & NFS_ATTR_FATTR_MTIME) inode->i_mtime = fattr->mtime; - else if (nfs_server_capable(inode, NFS_CAP_MTIME)) + else if (fattr_supported & NFS_ATTR_FATTR_MTIME) nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME); if (fattr->valid & NFS_ATTR_FATTR_CTIME) inode->i_ctime = fattr->ctime; - else if (nfs_server_capable(inode, NFS_CAP_CTIME)) + else if (fattr_supported & NFS_ATTR_FATTR_CTIME) nfs_set_cache_invalid(inode, NFS_INO_INVALID_CTIME); if (fattr->valid & NFS_ATTR_FATTR_CHANGE) inode_set_iversion_raw(inode, fattr->change_attr); @@ -550,29 +537,31 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st nfs_set_cache_invalid(inode, NFS_INO_INVALID_SIZE); if (fattr->valid & NFS_ATTR_FATTR_NLINK) set_nlink(inode, fattr->nlink); - else if (nfs_server_capable(inode, NFS_CAP_NLINK)) - nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER); + else if (fattr_supported & NFS_ATTR_FATTR_NLINK) + nfs_set_cache_invalid(inode, NFS_INO_INVALID_NLINK); if (fattr->valid & NFS_ATTR_FATTR_OWNER) inode->i_uid = fattr->uid; - else if (nfs_server_capable(inode, NFS_CAP_OWNER)) + else if (fattr_supported & NFS_ATTR_FATTR_OWNER) nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER); if (fattr->valid & NFS_ATTR_FATTR_GROUP) inode->i_gid = fattr->gid; - else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP)) + else if (fattr_supported & NFS_ATTR_FATTR_GROUP) nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER); if (nfs_server_capable(inode, NFS_CAP_XATTR)) nfs_set_cache_invalid(inode, NFS_INO_INVALID_XATTR); if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED) inode->i_blocks = fattr->du.nfs2.blocks; + else if (fattr_supported & NFS_ATTR_FATTR_BLOCKS_USED && + fattr->size != 0) + nfs_set_cache_invalid(inode, NFS_INO_INVALID_BLOCKS); if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) { /* * report the blocks in 512byte units */ inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used); - } - - if (nfsi->cache_validity != 0) - nfsi->cache_validity |= NFS_INO_REVAL_FORCED; + } else if (fattr_supported & NFS_ATTR_FATTR_SPACE_USED && + fattr->size != 0) + nfs_set_cache_invalid(inode, NFS_INO_INVALID_BLOCKS); nfs_setsecurity(inode, fattr, label); @@ -634,8 +623,7 @@ nfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, } /* Optimization: if the end result is no change, don't RPC */ - attr->ia_valid &= NFS_VALID_ATTRS; - if ((attr->ia_valid & ~(ATTR_FILE|ATTR_OPEN)) == 0) + if (((attr->ia_valid & NFS_VALID_ATTRS) & ~(ATTR_FILE|ATTR_OPEN)) == 0) return 0; trace_nfs_setattr_enter(inode); @@ -710,12 +698,20 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, spin_lock(&inode->i_lock); NFS_I(inode)->attr_gencount = fattr->gencount; if ((attr->ia_valid & ATTR_SIZE) != 0) { - nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME); + nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME | + NFS_INO_INVALID_BLOCKS); nfs_inc_stats(inode, NFSIOS_SETATTRTRUNC); nfs_vmtruncate(inode, attr->ia_size); } if ((attr->ia_valid & (ATTR_MODE|ATTR_UID|ATTR_GID)) != 0) { NFS_I(inode)->cache_validity &= ~NFS_INO_INVALID_CTIME; + if ((attr->ia_valid & ATTR_KILL_SUID) != 0 && + inode->i_mode & S_ISUID) + inode->i_mode &= ~S_ISUID; + if ((attr->ia_valid & ATTR_KILL_SGID) != 0 && + (inode->i_mode & (S_ISGID | S_IXGRP)) == + (S_ISGID | S_IXGRP)) + inode->i_mode &= ~S_ISGID; if ((attr->ia_valid & ATTR_MODE) != 0) { int mode = attr->ia_mode & S_IALLUGO; mode |= inode->i_mode & ~S_IALLUGO; @@ -793,14 +789,28 @@ static void nfs_readdirplus_parent_cache_hit(struct dentry *dentry) dput(parent); } -static bool nfs_need_revalidate_inode(struct inode *inode) +static u32 nfs_get_valid_attrmask(struct inode *inode) { - if (NFS_I(inode)->cache_validity & - (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL)) - return true; - if (nfs_attribute_cache_expired(inode)) - return true; - return false; + unsigned long cache_validity = READ_ONCE(NFS_I(inode)->cache_validity); + u32 reply_mask = STATX_INO | STATX_TYPE; + + if (!(cache_validity & NFS_INO_INVALID_ATIME)) + reply_mask |= STATX_ATIME; + if (!(cache_validity & NFS_INO_INVALID_CTIME)) + reply_mask |= STATX_CTIME; + if (!(cache_validity & NFS_INO_INVALID_MTIME)) + reply_mask |= STATX_MTIME; + if (!(cache_validity & NFS_INO_INVALID_SIZE)) + reply_mask |= STATX_SIZE; + if (!(cache_validity & NFS_INO_INVALID_NLINK)) + reply_mask |= STATX_NLINK; + if (!(cache_validity & NFS_INO_INVALID_MODE)) + reply_mask |= STATX_MODE; + if (!(cache_validity & NFS_INO_INVALID_OTHER)) + reply_mask |= STATX_UID | STATX_GID; + if (!(cache_validity & NFS_INO_INVALID_BLOCKS)) + reply_mask |= STATX_BLOCKS; + return reply_mask; } int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, @@ -815,9 +825,13 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, trace_nfs_getattr_enter(inode); + request_mask &= STATX_TYPE | STATX_MODE | STATX_NLINK | STATX_UID | + STATX_GID | STATX_ATIME | STATX_MTIME | STATX_CTIME | + STATX_INO | STATX_SIZE | STATX_BLOCKS; + if ((query_flags & AT_STATX_DONT_SYNC) && !force_sync) { nfs_readdirplus_parent_cache_hit(path->dentry); - goto out_no_update; + goto out_no_revalidate; } /* Flush out writes to the server in order to update c/mtime. */ @@ -850,14 +864,24 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, /* Check whether the cached attributes are stale */ do_update |= force_sync || nfs_attribute_cache_expired(inode); cache_validity = READ_ONCE(NFS_I(inode)->cache_validity); - do_update |= cache_validity & - (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL); + do_update |= cache_validity & NFS_INO_INVALID_CHANGE; if (request_mask & STATX_ATIME) do_update |= cache_validity & NFS_INO_INVALID_ATIME; - if (request_mask & (STATX_CTIME|STATX_MTIME)) - do_update |= cache_validity & NFS_INO_REVAL_PAGECACHE; + if (request_mask & STATX_CTIME) + do_update |= cache_validity & NFS_INO_INVALID_CTIME; + if (request_mask & STATX_MTIME) + do_update |= cache_validity & NFS_INO_INVALID_MTIME; + if (request_mask & STATX_SIZE) + do_update |= cache_validity & NFS_INO_INVALID_SIZE; + if (request_mask & STATX_NLINK) + do_update |= cache_validity & NFS_INO_INVALID_NLINK; + if (request_mask & STATX_MODE) + do_update |= cache_validity & NFS_INO_INVALID_MODE; + if (request_mask & (STATX_UID | STATX_GID)) + do_update |= cache_validity & NFS_INO_INVALID_OTHER; if (request_mask & STATX_BLOCKS) do_update |= cache_validity & NFS_INO_INVALID_BLOCKS; + if (do_update) { /* Update the attribute cache */ if (!(server->flags & NFS_MOUNT_NOAC)) @@ -871,8 +895,8 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, nfs_readdirplus_parent_cache_hit(path->dentry); out_no_revalidate: /* Only return attributes that were revalidated. */ - stat->result_mask &= request_mask; -out_no_update: + stat->result_mask = nfs_get_valid_attrmask(inode) | request_mask; + generic_fillattr(&init_user_ns, inode, stat); stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode)); if (S_ISDIR(inode->i_mode)) @@ -963,7 +987,6 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync) { struct nfs_inode *nfsi; struct inode *inode; - struct nfs_server *server; if (!(ctx->mode & FMODE_WRITE)) return; @@ -979,10 +1002,10 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync) return; if (!list_empty(&nfsi->open_files)) return; - server = NFS_SERVER(inode); - if (server->flags & NFS_MOUNT_NOCTO) + if (NFS_SERVER(inode)->flags & NFS_MOUNT_NOCTO) return; - nfs_revalidate_inode(server, inode); + nfs_revalidate_inode(inode, + NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE); } EXPORT_SYMBOL_GPL(nfs_close_context); @@ -1237,16 +1260,16 @@ int nfs_attribute_cache_expired(struct inode *inode) /** * nfs_revalidate_inode - Revalidate the inode attributes - * @server: pointer to nfs_server struct * @inode: pointer to inode struct + * @flags: cache flags to check * * Updates inode attribute information by retrieving the data from the server. */ -int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode) +int nfs_revalidate_inode(struct inode *inode, unsigned long flags) { - if (!nfs_need_revalidate_inode(inode)) + if (!nfs_check_cache_invalid(inode, flags)) return NFS_STALE(inode) ? -ESTALE : 0; - return __nfs_revalidate_inode(server, inode); + return __nfs_revalidate_inode(NFS_SERVER(inode), inode); } EXPORT_SYMBOL_GPL(nfs_revalidate_inode); @@ -1332,7 +1355,7 @@ out: bool nfs_mapping_need_revalidate_inode(struct inode *inode) { - return nfs_check_cache_invalid(inode, NFS_INO_REVAL_PAGECACHE) || + return nfs_check_cache_invalid(inode, NFS_INO_INVALID_CHANGE) || NFS_STALE(inode); } @@ -1468,8 +1491,7 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat if (!nfs_file_has_buffered_writers(nfsi)) { /* Verify a few of the more important attributes */ if ((fattr->valid & NFS_ATTR_FATTR_CHANGE) != 0 && !inode_eq_iversion_raw(inode, fattr->change_attr)) - invalid |= NFS_INO_INVALID_CHANGE - | NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_CHANGE; ts = inode->i_mtime; if ((fattr->valid & NFS_ATTR_FATTR_MTIME) && !timespec64_equal(&ts, &fattr->mtime)) @@ -1483,28 +1505,21 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat cur_size = i_size_read(inode); new_isize = nfs_size_to_loff_t(fattr->size); if (cur_size != new_isize) - invalid |= NFS_INO_INVALID_SIZE - | NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_SIZE; } } /* Have any file permissions changed? */ if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) - invalid |= NFS_INO_INVALID_ACCESS - | NFS_INO_INVALID_ACL - | NFS_INO_INVALID_OTHER; + invalid |= NFS_INO_INVALID_MODE; if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && !uid_eq(inode->i_uid, fattr->uid)) - invalid |= NFS_INO_INVALID_ACCESS - | NFS_INO_INVALID_ACL - | NFS_INO_INVALID_OTHER; + invalid |= NFS_INO_INVALID_OTHER; if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && !gid_eq(inode->i_gid, fattr->gid)) - invalid |= NFS_INO_INVALID_ACCESS - | NFS_INO_INVALID_ACL - | NFS_INO_INVALID_OTHER; + invalid |= NFS_INO_INVALID_OTHER; /* Has the link count changed? */ if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink) - invalid |= NFS_INO_INVALID_OTHER; + invalid |= NFS_INO_INVALID_NLINK; ts = inode->i_atime; if ((fattr->valid & NFS_ATTR_FATTR_ATIME) && !timespec64_equal(&ts, &fattr->atime)) @@ -1642,41 +1657,142 @@ EXPORT_SYMBOL_GPL(_nfs_display_fhandle); #endif /** - * nfs_inode_attrs_need_update - check if the inode attributes need updating + * nfs_inode_attrs_cmp_generic - compare attributes + * @fattr: attributes * @inode: pointer to inode + * + * Attempt to divine whether or not an RPC call reply carrying stale + * attributes got scheduled after another call carrying updated ones. + * Note also the check for wraparound of 'attr_gencount' + * + * The function returns '1' if it thinks the attributes in @fattr are + * more recent than the ones cached in @inode. Otherwise it returns + * the value '0'. + */ +static int nfs_inode_attrs_cmp_generic(const struct nfs_fattr *fattr, + const struct inode *inode) +{ + unsigned long attr_gencount = NFS_I(inode)->attr_gencount; + + return (long)(fattr->gencount - attr_gencount) > 0 || + (long)(attr_gencount - nfs_read_attr_generation_counter()) > 0; +} + +/** + * nfs_inode_attrs_cmp_monotonic - compare attributes * @fattr: attributes + * @inode: pointer to inode * * Attempt to divine whether or not an RPC call reply carrying stale * attributes got scheduled after another call carrying updated ones. * - * To do so, the function first assumes that a more recent ctime means - * that the attributes in fattr are newer, however it also attempt to - * catch the case where ctime either didn't change, or went backwards - * (if someone reset the clock on the server) by looking at whether - * or not this RPC call was started after the inode was last updated. - * Note also the check for wraparound of 'attr_gencount' + * We assume that the server observes monotonic semantics for + * the change attribute, so a larger value means that the attributes in + * @fattr are more recent, in which case the function returns the + * value '1'. + * A return value of '0' indicates no measurable change + * A return value of '-1' means that the attributes in @inode are + * more recent. + */ +static int nfs_inode_attrs_cmp_monotonic(const struct nfs_fattr *fattr, + const struct inode *inode) +{ + s64 diff = fattr->change_attr - inode_peek_iversion_raw(inode); + if (diff > 0) + return 1; + return diff == 0 ? 0 : -1; +} + +/** + * nfs_inode_attrs_cmp_strict_monotonic - compare attributes + * @fattr: attributes + * @inode: pointer to inode * - * The function returns 'true' if it thinks the attributes in 'fattr' are - * more recent than the ones cached in the inode. + * Attempt to divine whether or not an RPC call reply carrying stale + * attributes got scheduled after another call carrying updated ones. * + * We assume that the server observes strictly monotonic semantics for + * the change attribute, so a larger value means that the attributes in + * @fattr are more recent, in which case the function returns the + * value '1'. + * A return value of '-1' means that the attributes in @inode are + * more recent or unchanged. */ -static int nfs_inode_attrs_need_update(const struct inode *inode, const struct nfs_fattr *fattr) +static int nfs_inode_attrs_cmp_strict_monotonic(const struct nfs_fattr *fattr, + const struct inode *inode) { - const struct nfs_inode *nfsi = NFS_I(inode); + return nfs_inode_attrs_cmp_monotonic(fattr, inode) > 0 ? 1 : -1; +} - return ((long)fattr->gencount - (long)nfsi->attr_gencount) > 0 || - ((long)nfsi->attr_gencount - (long)nfs_read_attr_generation_counter() > 0); +/** + * nfs_inode_attrs_cmp - compare attributes + * @fattr: attributes + * @inode: pointer to inode + * + * This function returns '1' if it thinks the attributes in @fattr are + * more recent than the ones cached in @inode. It returns '-1' if + * the attributes in @inode are more recent than the ones in @fattr, + * and it returns 0 if not sure. + */ +static int nfs_inode_attrs_cmp(const struct nfs_fattr *fattr, + const struct inode *inode) +{ + if (nfs_inode_attrs_cmp_generic(fattr, inode) > 0) + return 1; + switch (NFS_SERVER(inode)->change_attr_type) { + case NFS4_CHANGE_TYPE_IS_UNDEFINED: + break; + case NFS4_CHANGE_TYPE_IS_TIME_METADATA: + if (!(fattr->valid & NFS_ATTR_FATTR_CHANGE)) + break; + return nfs_inode_attrs_cmp_monotonic(fattr, inode); + default: + if (!(fattr->valid & NFS_ATTR_FATTR_CHANGE)) + break; + return nfs_inode_attrs_cmp_strict_monotonic(fattr, inode); + } + return 0; +} + +/** + * nfs_inode_finish_partial_attr_update - complete a previous inode update + * @fattr: attributes + * @inode: pointer to inode + * + * Returns '1' if the last attribute update left the inode cached + * attributes in a partially unrevalidated state, and @fattr + * matches the change attribute of that partial update. + * Otherwise returns '0'. + */ +static int nfs_inode_finish_partial_attr_update(const struct nfs_fattr *fattr, + const struct inode *inode) +{ + const unsigned long check_valid = + NFS_INO_INVALID_ATIME | NFS_INO_INVALID_CTIME | + NFS_INO_INVALID_MTIME | NFS_INO_INVALID_SIZE | + NFS_INO_INVALID_BLOCKS | NFS_INO_INVALID_OTHER | + NFS_INO_INVALID_NLINK; + unsigned long cache_validity = NFS_I(inode)->cache_validity; + + if (!(cache_validity & NFS_INO_INVALID_CHANGE) && + (cache_validity & check_valid) != 0 && + (fattr->valid & NFS_ATTR_FATTR_CHANGE) != 0 && + nfs_inode_attrs_cmp_monotonic(fattr, inode) == 0) + return 1; + return 0; } -static int nfs_refresh_inode_locked(struct inode *inode, struct nfs_fattr *fattr) +static int nfs_refresh_inode_locked(struct inode *inode, + struct nfs_fattr *fattr) { - int ret; + int attr_cmp = nfs_inode_attrs_cmp(fattr, inode); + int ret = 0; trace_nfs_refresh_inode_enter(inode); - if (nfs_inode_attrs_need_update(inode, fattr)) + if (attr_cmp > 0 || nfs_inode_finish_partial_attr_update(fattr, inode)) ret = nfs_update_inode(inode, fattr); - else + else if (attr_cmp == 0) ret = nfs_check_inode_attributes(inode, fattr); trace_nfs_refresh_inode_exit(inode, ret); @@ -1761,11 +1877,13 @@ EXPORT_SYMBOL_GPL(nfs_post_op_update_inode); */ int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fattr *fattr) { + int attr_cmp = nfs_inode_attrs_cmp(fattr, inode); int status; /* Don't do a WCC update if these attributes are already stale */ - if ((fattr->valid & NFS_ATTR_FATTR) == 0 || - !nfs_inode_attrs_need_update(inode, fattr)) { + if (attr_cmp < 0) + return 0; + if ((fattr->valid & NFS_ATTR_FATTR) == 0 || !attr_cmp) { fattr->valid &= ~(NFS_ATTR_FATTR_PRECHANGE | NFS_ATTR_FATTR_PRESIZE | NFS_ATTR_FATTR_PREMTIME @@ -1839,9 +1957,10 @@ EXPORT_SYMBOL_GPL(nfs_post_op_update_inode_force_wcc); */ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) { - struct nfs_server *server; + struct nfs_server *server = NFS_SERVER(inode); struct nfs_inode *nfsi = NFS_I(inode); loff_t cur_isize, new_isize; + u64 fattr_supported = server->fattr_valid; unsigned long invalid = 0; unsigned long now = jiffies; unsigned long save_cache_validity; @@ -1885,7 +2004,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) goto out_err; } - server = NFS_SERVER(inode); /* Update the fsid? */ if (S_ISDIR(inode->i_mode) && (fattr->valid & NFS_ATTR_FATTR_FSID) && !nfs_fsid_equal(&server->fsid, &fattr->fsid) && @@ -1904,14 +2022,17 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ATIME | NFS_INO_REVAL_FORCED - | NFS_INO_REVAL_PAGECACHE | NFS_INO_INVALID_BLOCKS); /* Do atomic weak cache consistency updates */ nfs_wcc_update_inode(inode, fattr); if (pnfs_layoutcommit_outstanding(inode)) { - nfsi->cache_validity |= save_cache_validity & NFS_INO_INVALID_ATTR; + nfsi->cache_validity |= + save_cache_validity & + (NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_CTIME | + NFS_INO_INVALID_MTIME | NFS_INO_INVALID_SIZE | + NFS_INO_INVALID_BLOCKS); cache_revalidated = false; } @@ -1928,6 +2049,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) save_cache_validity |= NFS_INO_INVALID_CTIME | NFS_INO_INVALID_MTIME | NFS_INO_INVALID_SIZE + | NFS_INO_INVALID_BLOCKS + | NFS_INO_INVALID_NLINK + | NFS_INO_INVALID_MODE | NFS_INO_INVALID_OTHER; if (S_ISDIR(inode->i_mode)) nfs_force_lookup_revalidate(inode); @@ -1940,28 +2064,24 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) attr_changed = true; } } else { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_CHANGE - | NFS_INO_REVAL_PAGECACHE - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_CHANGE; cache_revalidated = false; } if (fattr->valid & NFS_ATTR_FATTR_MTIME) { inode->i_mtime = fattr->mtime; - } else if (server->caps & NFS_CAP_MTIME) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_MTIME - | NFS_INO_REVAL_FORCED); + } else if (fattr_supported & NFS_ATTR_FATTR_MTIME) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_MTIME; cache_revalidated = false; } if (fattr->valid & NFS_ATTR_FATTR_CTIME) { inode->i_ctime = fattr->ctime; - } else if (server->caps & NFS_CAP_CTIME) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_CTIME - | NFS_INO_REVAL_FORCED); + } else if (fattr_supported & NFS_ATTR_FATTR_CTIME) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_CTIME; cache_revalidated = false; } @@ -1985,21 +2105,23 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) (long long)cur_isize, (long long)new_isize); } + if (new_isize == 0 && + !(fattr->valid & (NFS_ATTR_FATTR_SPACE_USED | + NFS_ATTR_FATTR_BLOCKS_USED))) { + fattr->du.nfs3.used = 0; + fattr->valid |= NFS_ATTR_FATTR_SPACE_USED; + } } else { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_SIZE - | NFS_INO_REVAL_PAGECACHE - | NFS_INO_REVAL_FORCED); + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_SIZE; cache_revalidated = false; } - if (fattr->valid & NFS_ATTR_FATTR_ATIME) inode->i_atime = fattr->atime; - else if (server->caps & NFS_CAP_ATIME) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_ATIME - | NFS_INO_REVAL_FORCED); + else if (fattr_supported & NFS_ATTR_FATTR_ATIME) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_ATIME; cache_revalidated = false; } @@ -2012,10 +2134,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) | NFS_INO_INVALID_ACL; attr_changed = true; } - } else if (server->caps & NFS_CAP_MODE) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_OTHER - | NFS_INO_REVAL_FORCED); + } else if (fattr_supported & NFS_ATTR_FATTR_MODE) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_MODE; cache_revalidated = false; } @@ -2026,10 +2147,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) inode->i_uid = fattr->uid; attr_changed = true; } - } else if (server->caps & NFS_CAP_OWNER) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_OTHER - | NFS_INO_REVAL_FORCED); + } else if (fattr_supported & NFS_ATTR_FATTR_OWNER) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_OTHER; cache_revalidated = false; } @@ -2040,10 +2160,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) inode->i_gid = fattr->gid; attr_changed = true; } - } else if (server->caps & NFS_CAP_OWNER_GROUP) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_OTHER - | NFS_INO_REVAL_FORCED); + } else if (fattr_supported & NFS_ATTR_FATTR_GROUP) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_OTHER; cache_revalidated = false; } @@ -2054,10 +2173,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) set_nlink(inode, fattr->nlink); attr_changed = true; } - } else if (server->caps & NFS_CAP_NLINK) { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_OTHER - | NFS_INO_REVAL_FORCED); + } else if (fattr_supported & NFS_ATTR_FATTR_NLINK) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_NLINK; cache_revalidated = false; } @@ -2066,18 +2184,22 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) * report the blocks in 512byte units */ inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used); - } else if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED) + } else if (fattr_supported & NFS_ATTR_FATTR_SPACE_USED) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_BLOCKS; + cache_revalidated = false; + } + + if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED) { inode->i_blocks = fattr->du.nfs2.blocks; - else { - nfsi->cache_validity |= save_cache_validity & - (NFS_INO_INVALID_BLOCKS - | NFS_INO_REVAL_FORCED); + } else if (fattr_supported & NFS_ATTR_FATTR_BLOCKS_USED) { + nfsi->cache_validity |= + save_cache_validity & NFS_INO_INVALID_BLOCKS; cache_revalidated = false; } /* Update attrtimeo value if we're out of the unstable period */ if (attr_changed) { - invalid &= ~NFS_INO_INVALID_ATTR; nfs_inc_stats(inode, NFSIOS_ATTRINVALIDATE); nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); nfsi->attrtimeo_timestamp = now; @@ -2094,7 +2216,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) nfsi->attrtimeo_timestamp = now; } /* Set the barrier to be more recent than this fattr */ - if ((long)fattr->gencount - (long)nfsi->attr_gencount > 0) + if ((long)(fattr->gencount - nfsi->attr_gencount) > 0) nfsi->attr_gencount = fattr->gencount; } diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 7395d0977b7d..a36af04188c2 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -181,7 +181,7 @@ struct nfs_mount_request { struct net *net; }; -extern int nfs_mount(struct nfs_mount_request *info); +extern int nfs_mount(struct nfs_mount_request *info, int timeo, int retrans); extern void nfs_umount(const struct nfs_mount_request *info); /* client.c */ diff --git a/fs/nfs/io.c b/fs/nfs/io.c index 5088fda9b453..b5551ed8f648 100644 --- a/fs/nfs/io.c +++ b/fs/nfs/io.c @@ -104,7 +104,7 @@ static void nfs_block_buffered(struct nfs_inode *nfsi, struct inode *inode) } /** - * nfs_end_io_direct - declare the file is being used for direct i/o + * nfs_start_io_direct - declare the file is being used for direct i/o * @inode: file inode * * Declare that a direct I/O operation is about to start, and ensure diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c index dda5c3e65d8d..c5e3b6b3366a 100644 --- a/fs/nfs/mount_clnt.c +++ b/fs/nfs/mount_clnt.c @@ -136,14 +136,16 @@ struct mnt_fhstatus { /** * nfs_mount - Obtain an NFS file handle for the given host and path * @info: pointer to mount request arguments + * @timeo: deciseconds the mount waits for a response before it retries + * @retrans: number of times the mount retries a request * - * Uses default timeout parameters specified by underlying transport. On - * successful return, the auth_flavs list and auth_flav_len will be populated - * with the list from the server or a faked-up list if the server didn't - * provide one. + * Uses timeout parameters specified by caller. On successful return, the + * auth_flavs list and auth_flav_len will be populated with the list from the + * server or a faked-up list if the server didn't provide one. */ -int nfs_mount(struct nfs_mount_request *info) +int nfs_mount(struct nfs_mount_request *info, int timeo, int retrans) { + struct rpc_timeout mnt_timeout; struct mountres result = { .fh = info->fh, .auth_count = info->auth_flav_len, @@ -158,6 +160,7 @@ int nfs_mount(struct nfs_mount_request *info) .protocol = info->protocol, .address = info->sap, .addrsize = info->salen, + .timeout = &mnt_timeout, .servername = info->hostname, .program = &mnt_program, .version = info->version, @@ -177,6 +180,7 @@ int nfs_mount(struct nfs_mount_request *info) if (info->noresvport) args.flags |= RPC_CLNT_CREATE_NONPRIVPORT; + nfs_init_timeout_values(&mnt_timeout, info->protocol, timeo, retrans); mnt_clnt = rpc_create(&args); if (IS_ERR(mnt_clnt)) goto out_clnt_err; diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index bb386a691e69..9ec560aa4a50 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -65,7 +65,7 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type) if (!nfs_server_capable(inode, NFS_CAP_ACLS)) return ERR_PTR(-EOPNOTSUPP); - status = nfs_revalidate_inode(server, inode); + status = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE); if (status < 0) return ERR_PTR(status); diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index ed1c83738c30..e6eca1d7481b 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -433,7 +433,7 @@ static int decode_nfs_fh3(struct xdr_stream *xdr, struct nfs_fh *fh) if (unlikely(!p)) return -EIO; length = be32_to_cpup(p++); - if (unlikely(length > NFS3_FHSIZE)) + if (unlikely(length > NFS3_FHSIZE || length == 0)) goto out_toobig; p = xdr_inline_decode(xdr, length); if (unlikely(!p)) @@ -442,7 +442,7 @@ static int decode_nfs_fh3(struct xdr_stream *xdr, struct nfs_fh *fh) memcpy(fh->data, p, length); return 0; out_toobig: - dprintk("NFS: file handle size (%u) too big\n", length); + trace_nfs_xdr_bad_filehandle(xdr, NFSERR_BADHANDLE); return -E2BIG; } @@ -2227,6 +2227,7 @@ static int decode_fsinfo3resok(struct xdr_stream *xdr, /* ignore properties */ result->lease_time = 0; + result->change_attr_type = NFS4_CHANGE_TYPE_IS_TIME_METADATA; return 0; } diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 094024b0aca1..a24349512ffe 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -46,11 +46,12 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, { struct inode *inode = file_inode(filep); struct nfs_server *server = NFS_SERVER(inode); + u32 bitmask[3]; struct nfs42_falloc_args args = { .falloc_fh = NFS_FH(inode), .falloc_offset = offset, .falloc_length = len, - .falloc_bitmask = nfs4_fattr_bitmap, + .falloc_bitmask = bitmask, }; struct nfs42_falloc_res res = { .falloc_server = server, @@ -68,6 +69,10 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, return status; } + memcpy(bitmask, server->cache_consistency_bitmask, sizeof(bitmask)); + if (server->attr_bitmask[1] & FATTR4_WORD1_SPACE_USED) + bitmask[1] |= FATTR4_WORD1_SPACE_USED; + res.falloc_fattr = nfs_alloc_fattr(); if (!res.falloc_fattr) return -ENOMEM; @@ -75,7 +80,8 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, status = nfs4_call_sync(server->client, server, msg, &args.seq_args, &res.seq_res, 0); if (status == 0) - status = nfs_post_op_update_inode(inode, res.falloc_fattr); + status = nfs_post_op_update_inode_force_wcc(inode, + res.falloc_fattr); kfree(res.falloc_fattr); return status; @@ -84,7 +90,8 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, static int nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, loff_t offset, loff_t len) { - struct nfs_server *server = NFS_SERVER(file_inode(filep)); + struct inode *inode = file_inode(filep); + struct nfs_server *server = NFS_SERVER(inode); struct nfs4_exception exception = { }; struct nfs_lock_context *lock; int err; @@ -93,9 +100,13 @@ static int nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, if (IS_ERR(lock)) return PTR_ERR(lock); - exception.inode = file_inode(filep); + exception.inode = inode; exception.state = lock->open_context->state; + err = nfs_sync_inode(inode); + if (err) + goto out; + do { err = _nfs42_proc_fallocate(msg, filep, lock, offset, len); if (err == -ENOTSUPP) { @@ -104,7 +115,7 @@ static int nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, } err = nfs4_handle_exception(server, err, &exception); } while (exception.retry); - +out: nfs_put_lock_context(lock); return err; } @@ -142,16 +153,13 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) return -EOPNOTSUPP; inode_lock(inode); - err = nfs_sync_inode(inode); - if (err) - goto out_unlock; err = nfs42_proc_fallocate(&msg, filep, offset, len); if (err == 0) truncate_pagecache_range(inode, offset, (offset + len) -1); if (err == -EOPNOTSUPP) NFS_SERVER(inode)->caps &= ~NFS_CAP_DEALLOCATE; -out_unlock: + inode_unlock(inode); return err; } @@ -261,6 +269,33 @@ out: return status; } +/** + * nfs42_copy_dest_done - perform inode cache updates after clone/copy offload + * @inode: pointer to destination inode + * @pos: destination offset + * @len: copy length + * + * Punch a hole in the inode page cache, so that the NFS client will + * know to retrieve new data. + * Update the file size if necessary, and then mark the inode as having + * invalid cached values for change attribute, ctime, mtime and space used. + */ +static void nfs42_copy_dest_done(struct inode *inode, loff_t pos, loff_t len) +{ + loff_t newsize = pos + len; + loff_t end = newsize - 1; + + truncate_pagecache_range(inode, pos, end); + spin_lock(&inode->i_lock); + if (newsize > i_size_read(inode)) + i_size_write(inode, newsize); + nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE | + NFS_INO_INVALID_CTIME | + NFS_INO_INVALID_MTIME | + NFS_INO_INVALID_BLOCKS); + spin_unlock(&inode->i_lock); +} + static ssize_t _nfs42_proc_copy(struct file *src, struct nfs_lock_context *src_lock, struct file *dst, @@ -354,19 +389,8 @@ static ssize_t _nfs42_proc_copy(struct file *src, goto out; } - truncate_pagecache_range(dst_inode, pos_dst, - pos_dst + res->write_res.count); - spin_lock(&dst_inode->i_lock); - nfs_set_cache_invalid( - dst_inode, NFS_INO_REVAL_PAGECACHE | NFS_INO_REVAL_FORCED | - NFS_INO_INVALID_SIZE | NFS_INO_INVALID_ATTR | - NFS_INO_INVALID_DATA); - spin_unlock(&dst_inode->i_lock); - spin_lock(&src_inode->i_lock); - nfs_set_cache_invalid(src_inode, NFS_INO_REVAL_PAGECACHE | - NFS_INO_REVAL_FORCED | - NFS_INO_INVALID_ATIME); - spin_unlock(&src_inode->i_lock); + nfs42_copy_dest_done(dst_inode, pos_dst, res->write_res.count); + nfs_invalidate_atime(src_inode); status = res->write_res.count; out: if (args->sync) @@ -659,7 +683,10 @@ static loff_t _nfs42_proc_llseek(struct file *filep, if (status) return status; - return vfs_setpos(filep, res.sr_offset, inode->i_sb->s_maxbytes); + if (whence == SEEK_DATA && res.sr_eof) + return -NFS4ERR_NXIO; + else + return vfs_setpos(filep, res.sr_offset, inode->i_sb->s_maxbytes); } loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) @@ -1044,8 +1071,10 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f, status = nfs4_call_sync(server->client, server, msg, &args.seq_args, &res.seq_res, 0); - if (status == 0) + if (status == 0) { + nfs42_copy_dest_done(dst_inode, dst_offset, count); status = nfs_post_op_update_inode(dst_inode, res.dst_fattr); + } kfree(res.dst_fattr); return status; diff --git a/fs/nfs/nfs42xattr.c b/fs/nfs/nfs42xattr.c index 6c2ce799150f..1c4d2a05b401 100644 --- a/fs/nfs/nfs42xattr.c +++ b/fs/nfs/nfs42xattr.c @@ -168,7 +168,7 @@ nfs4_xattr_entry_lru_del(struct nfs4_xattr_entry *entry) * make it easier to copy the value after an RPC, even if * the value will not be passed up to application (e.g. * for a 'query' getxattr with NULL buffer). - * @len: Length of the value. Can be 0 for zero-length attribues. + * @len: Length of the value. Can be 0 for zero-length attributes. * @value and @pages will be NULL if @len is 0. */ static struct nfs4_xattr_entry * diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 441a2fa073c8..57b3821d975a 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -420,9 +420,7 @@ static const struct nfs4_ssc_client_ops nfs4_ssc_clnt_ops_tbl = { */ void nfs42_ssc_register_ops(void) { -#ifdef CONFIG_NFSD_V4 nfs42_ssc_register(&nfs4_ssc_clnt_ops_tbl); -#endif } /** @@ -433,9 +431,7 @@ void nfs42_ssc_register_ops(void) */ void nfs42_ssc_unregister_ops(void) { -#ifdef CONFIG_NFSD_V4 nfs42_ssc_unregister(&nfs4_ssc_clnt_ops_tbl); -#endif } #endif /* CONFIG_NFS_V4_2 */ diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index c65c4b41e2c1..87d04f2c9385 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -108,9 +108,10 @@ static int nfs41_test_stateid(struct nfs_server *, nfs4_stateid *, static int nfs41_free_stateid(struct nfs_server *, const nfs4_stateid *, const struct cred *, bool); #endif -static void nfs4_bitmask_adjust(__u32 *bitmask, struct inode *inode, - struct nfs_server *server, - struct nfs4_label *label); +static void nfs4_bitmask_set(__u32 bitmask[NFS4_BITMASK_SZ], + const __u32 *src, struct inode *inode, + struct nfs_server *server, + struct nfs4_label *label); #ifdef CONFIG_NFS_V4_SECURITY_LABEL static inline struct nfs4_label * @@ -263,6 +264,7 @@ const u32 nfs4_fsinfo_bitmap[3] = { FATTR4_WORD0_MAXFILESIZE | FATTR4_WORD1_FS_LAYOUT_TYPES, FATTR4_WORD2_LAYOUT_BLKSIZE | FATTR4_WORD2_CLONE_BLKSIZE + | FATTR4_WORD2_CHANGE_ATTR_TYPE | FATTR4_WORD2_XATTR_SUPPORT }; @@ -283,7 +285,7 @@ const u32 nfs4_fs_locations_bitmap[3] = { }; static void nfs4_bitmap_copy_adjust(__u32 *dst, const __u32 *src, - struct inode *inode) + struct inode *inode, unsigned long flags) { unsigned long cache_validity; @@ -291,22 +293,20 @@ static void nfs4_bitmap_copy_adjust(__u32 *dst, const __u32 *src, if (!inode || !nfs4_have_delegation(inode, FMODE_READ)) return; - cache_validity = READ_ONCE(NFS_I(inode)->cache_validity); - if (!(cache_validity & NFS_INO_REVAL_FORCED)) - cache_validity &= ~(NFS_INO_INVALID_CHANGE - | NFS_INO_INVALID_SIZE); + cache_validity = READ_ONCE(NFS_I(inode)->cache_validity) | flags; + /* Remove the attributes over which we have full control */ + dst[1] &= ~FATTR4_WORD1_RAWDEV; if (!(cache_validity & NFS_INO_INVALID_SIZE)) dst[0] &= ~FATTR4_WORD0_SIZE; if (!(cache_validity & NFS_INO_INVALID_CHANGE)) dst[0] &= ~FATTR4_WORD0_CHANGE; -} -static void nfs4_bitmap_copy_adjust_setattr(__u32 *dst, - const __u32 *src, struct inode *inode) -{ - nfs4_bitmap_copy_adjust(dst, src, inode); + if (!(cache_validity & NFS_INO_INVALID_MODE)) + dst[1] &= ~FATTR4_WORD1_MODE; + if (!(cache_validity & NFS_INO_INVALID_OTHER)) + dst[1] &= ~(FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP); } static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dentry, @@ -1169,14 +1169,26 @@ int nfs4_call_sync(struct rpc_clnt *clnt, static void nfs4_inc_nlink_locked(struct inode *inode) { - nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER); + nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE | + NFS_INO_INVALID_CTIME | + NFS_INO_INVALID_NLINK); inc_nlink(inode); } static void +nfs4_inc_nlink(struct inode *inode) +{ + spin_lock(&inode->i_lock); + nfs4_inc_nlink_locked(inode); + spin_unlock(&inode->i_lock); +} + +static void nfs4_dec_nlink_locked(struct inode *inode) { - nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER); + nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE | + NFS_INO_INVALID_CTIME | + NFS_INO_INVALID_NLINK); drop_nlink(inode); } @@ -1186,11 +1198,23 @@ nfs4_update_changeattr_locked(struct inode *inode, unsigned long timestamp, unsigned long cache_validity) { struct nfs_inode *nfsi = NFS_I(inode); + u64 change_attr = inode_peek_iversion_raw(inode); cache_validity |= NFS_INO_INVALID_CTIME | NFS_INO_INVALID_MTIME; - if (cinfo->atomic && cinfo->before == inode_peek_iversion_raw(inode)) { - nfsi->cache_validity &= ~NFS_INO_REVAL_PAGECACHE; + switch (NFS_SERVER(inode)->change_attr_type) { + case NFS4_CHANGE_TYPE_IS_UNDEFINED: + break; + case NFS4_CHANGE_TYPE_IS_TIME_METADATA: + if ((s64)(change_attr - cinfo->after) > 0) + goto out; + break; + default: + if ((s64)(change_attr - cinfo->after) >= 0) + goto out; + } + + if (cinfo->atomic && cinfo->before == change_attr) { nfsi->attrtimeo_timestamp = jiffies; } else { if (S_ISDIR(inode->i_mode)) { @@ -1202,7 +1226,7 @@ nfs4_update_changeattr_locked(struct inode *inode, cache_validity |= NFS_INO_REVAL_PAGECACHE; } - if (cinfo->before != inode_peek_iversion_raw(inode)) + if (cinfo->before != change_attr) cache_validity |= NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL | NFS_INO_INVALID_XATTR; @@ -1210,8 +1234,9 @@ nfs4_update_changeattr_locked(struct inode *inode, inode_set_iversion_raw(inode, cinfo->after); nfsi->read_cache_jiffies = timestamp; nfsi->attr_gencount = nfs_inc_attr_generation_counter(); - nfs_set_cache_invalid(inode, cache_validity); nfsi->cache_validity &= ~NFS_INO_INVALID_CHANGE; +out: + nfs_set_cache_invalid(inode, cache_validity); } void @@ -3344,12 +3369,17 @@ static int nfs4_do_setattr(struct inode *inode, const struct cred *cred, .inode = inode, .stateid = &arg.stateid, }; + unsigned long adjust_flags = NFS_INO_INVALID_CHANGE; int err; + if (sattr->ia_valid & (ATTR_MODE | ATTR_KILL_SUID | ATTR_KILL_SGID)) + adjust_flags |= NFS_INO_INVALID_MODE; + if (sattr->ia_valid & (ATTR_UID | ATTR_GID)) + adjust_flags |= NFS_INO_INVALID_OTHER; + do { - nfs4_bitmap_copy_adjust_setattr(bitmask, - nfs4_bitmask(server, olabel), - inode); + nfs4_bitmap_copy_adjust(bitmask, nfs4_bitmask(server, olabel), + inode, adjust_flags); err = _nfs4_do_setattr(inode, &arg, &res, cred, ctx); switch (err) { @@ -3591,6 +3621,7 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data) struct nfs4_closedata *calldata = data; struct nfs4_state *state = calldata->state; struct inode *inode = calldata->inode; + struct nfs_server *server = NFS_SERVER(inode); struct pnfs_layout_hdr *lo; bool is_rdonly, is_wronly, is_rdwr; int call_close = 0; @@ -3647,8 +3678,10 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data) if (calldata->arg.fmode == 0 || calldata->arg.fmode == FMODE_READ) { /* Close-to-open cache consistency revalidation */ if (!nfs4_have_delegation(inode, FMODE_READ)) { - calldata->arg.bitmask = NFS_SERVER(inode)->cache_consistency_bitmask; - nfs4_bitmask_adjust(calldata->arg.bitmask, inode, NFS_SERVER(inode), NULL); + nfs4_bitmask_set(calldata->arg.bitmask_store, + server->cache_consistency_bitmask, + inode, server, NULL); + calldata->arg.bitmask = calldata->arg.bitmask_store; } else calldata->arg.bitmask = NULL; } @@ -3835,12 +3868,9 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f res.attr_bitmask[2] &= FATTR4_WORD2_NFS42_MASK; } memcpy(server->attr_bitmask, res.attr_bitmask, sizeof(server->attr_bitmask)); - server->caps &= ~(NFS_CAP_ACLS|NFS_CAP_HARDLINKS| - NFS_CAP_SYMLINKS|NFS_CAP_FILEID| - NFS_CAP_MODE|NFS_CAP_NLINK|NFS_CAP_OWNER| - NFS_CAP_OWNER_GROUP|NFS_CAP_ATIME| - NFS_CAP_CTIME|NFS_CAP_MTIME| - NFS_CAP_SECURITY_LABEL); + server->caps &= ~(NFS_CAP_ACLS | NFS_CAP_HARDLINKS | + NFS_CAP_SYMLINKS| NFS_CAP_SECURITY_LABEL); + server->fattr_valid = NFS_ATTR_FATTR_V4; if (res.attr_bitmask[0] & FATTR4_WORD0_ACL && res.acl_bitmask & ACL4_SUPPORT_ALLOW_ACL) server->caps |= NFS_CAP_ACLS; @@ -3848,25 +3878,29 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f server->caps |= NFS_CAP_HARDLINKS; if (res.has_symlinks != 0) server->caps |= NFS_CAP_SYMLINKS; - if (res.attr_bitmask[0] & FATTR4_WORD0_FILEID) - server->caps |= NFS_CAP_FILEID; - if (res.attr_bitmask[1] & FATTR4_WORD1_MODE) - server->caps |= NFS_CAP_MODE; - if (res.attr_bitmask[1] & FATTR4_WORD1_NUMLINKS) - server->caps |= NFS_CAP_NLINK; - if (res.attr_bitmask[1] & FATTR4_WORD1_OWNER) - server->caps |= NFS_CAP_OWNER; - if (res.attr_bitmask[1] & FATTR4_WORD1_OWNER_GROUP) - server->caps |= NFS_CAP_OWNER_GROUP; - if (res.attr_bitmask[1] & FATTR4_WORD1_TIME_ACCESS) - server->caps |= NFS_CAP_ATIME; - if (res.attr_bitmask[1] & FATTR4_WORD1_TIME_METADATA) - server->caps |= NFS_CAP_CTIME; - if (res.attr_bitmask[1] & FATTR4_WORD1_TIME_MODIFY) - server->caps |= NFS_CAP_MTIME; + if (!(res.attr_bitmask[0] & FATTR4_WORD0_FILEID)) + server->fattr_valid &= ~NFS_ATTR_FATTR_FILEID; + if (!(res.attr_bitmask[1] & FATTR4_WORD1_MODE)) + server->fattr_valid &= ~NFS_ATTR_FATTR_MODE; + if (!(res.attr_bitmask[1] & FATTR4_WORD1_NUMLINKS)) + server->fattr_valid &= ~NFS_ATTR_FATTR_NLINK; + if (!(res.attr_bitmask[1] & FATTR4_WORD1_OWNER)) + server->fattr_valid &= ~(NFS_ATTR_FATTR_OWNER | + NFS_ATTR_FATTR_OWNER_NAME); + if (!(res.attr_bitmask[1] & FATTR4_WORD1_OWNER_GROUP)) + server->fattr_valid &= ~(NFS_ATTR_FATTR_GROUP | + NFS_ATTR_FATTR_GROUP_NAME); + if (!(res.attr_bitmask[1] & FATTR4_WORD1_SPACE_USED)) + server->fattr_valid &= ~NFS_ATTR_FATTR_SPACE_USED; + if (!(res.attr_bitmask[1] & FATTR4_WORD1_TIME_ACCESS)) + server->fattr_valid &= ~NFS_ATTR_FATTR_ATIME; + if (!(res.attr_bitmask[1] & FATTR4_WORD1_TIME_METADATA)) + server->fattr_valid &= ~NFS_ATTR_FATTR_CTIME; + if (!(res.attr_bitmask[1] & FATTR4_WORD1_TIME_MODIFY)) + server->fattr_valid &= ~NFS_ATTR_FATTR_MTIME; #ifdef CONFIG_NFS_V4_SECURITY_LABEL - if (res.attr_bitmask[2] & FATTR4_WORD2_SECURITY_LABEL) - server->caps |= NFS_CAP_SECURITY_LABEL; + if (!(res.attr_bitmask[2] & FATTR4_WORD2_SECURITY_LABEL)) + server->fattr_valid &= ~NFS_ATTR_FATTR_V4_SECURITY_LABEL; #endif memcpy(server->attr_bitmask_nl, res.attr_bitmask, sizeof(server->attr_bitmask)); @@ -4154,8 +4188,7 @@ static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, if (inode && (server->flags & NFS_MOUNT_SOFTREVAL)) task_flags |= RPC_TASK_TIMEOUT; - nfs4_bitmap_copy_adjust(bitmask, nfs4_bitmask(server, label), inode); - + nfs4_bitmap_copy_adjust(bitmask, nfs4_bitmask(server, label), inode, 0); nfs_fattr_init(fattr); nfs4_init_sequence(&args.seq_args, &res.seq_res, 0, 0); return nfs4_do_call_sync(server->client, server, &msg, @@ -4582,11 +4615,11 @@ _nfs4_proc_remove(struct inode *dir, const struct qstr *name, u32 ftype) status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 1); if (status == 0) { spin_lock(&dir->i_lock); - nfs4_update_changeattr_locked(dir, &res.cinfo, timestamp, - NFS_INO_INVALID_DATA); /* Removing a directory decrements nlink in the parent */ if (ftype == NF4DIR && dir->i_nlink > 2) nfs4_dec_nlink_locked(dir); + nfs4_update_changeattr_locked(dir, &res.cinfo, timestamp, + NFS_INO_INVALID_DATA); spin_unlock(&dir->i_lock); } return status; @@ -4715,11 +4748,11 @@ static int nfs4_proc_rename_done(struct rpc_task *task, struct inode *old_dir, /* Note: If we moved a directory, nlink will change */ nfs4_update_changeattr(old_dir, &res->old_cinfo, res->old_fattr->time_start, - NFS_INO_INVALID_OTHER | + NFS_INO_INVALID_NLINK | NFS_INO_INVALID_DATA); nfs4_update_changeattr(new_dir, &res->new_cinfo, res->new_fattr->time_start, - NFS_INO_INVALID_OTHER | + NFS_INO_INVALID_NLINK | NFS_INO_INVALID_DATA); } else nfs4_update_changeattr(old_dir, &res->old_cinfo, @@ -4761,12 +4794,13 @@ static int _nfs4_proc_link(struct inode *inode, struct inode *dir, const struct } nfs4_inode_make_writeable(inode); - nfs4_bitmap_copy_adjust_setattr(bitmask, nfs4_bitmask(server, res.label), inode); - + nfs4_bitmap_copy_adjust(bitmask, nfs4_bitmask(server, res.label), inode, + NFS_INO_INVALID_CHANGE); status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1); if (!status) { nfs4_update_changeattr(dir, &res.cinfo, res.fattr->time_start, NFS_INO_INVALID_DATA); + nfs4_inc_nlink(inode); status = nfs_post_op_update_inode(inode, res.fattr); if (!status) nfs_setsecurity(inode, res.fattr, res.label); @@ -4844,12 +4878,12 @@ static int nfs4_do_create(struct inode *dir, struct dentry *dentry, struct nfs4_ &data->arg.seq_args, &data->res.seq_res, 1); if (status == 0) { spin_lock(&dir->i_lock); - nfs4_update_changeattr_locked(dir, &data->res.dir_cinfo, - data->res.fattr->time_start, - NFS_INO_INVALID_DATA); /* Creating a directory bumps nlink in the parent */ if (data->arg.ftype == NF4DIR) nfs4_inc_nlink_locked(dir); + nfs4_update_changeattr_locked(dir, &data->res.dir_cinfo, + data->res.fattr->time_start, + NFS_INO_INVALID_DATA); spin_unlock(&dir->i_lock); status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, data->res.label); } @@ -5416,37 +5450,39 @@ bool nfs4_write_need_cache_consistency_data(struct nfs_pgio_header *hdr) return nfs4_have_delegation(hdr->inode, FMODE_READ) == 0; } -static void nfs4_bitmask_adjust(__u32 *bitmask, struct inode *inode, - struct nfs_server *server, - struct nfs4_label *label) +static void nfs4_bitmask_set(__u32 bitmask[NFS4_BITMASK_SZ], const __u32 *src, + struct inode *inode, struct nfs_server *server, + struct nfs4_label *label) { - unsigned long cache_validity = READ_ONCE(NFS_I(inode)->cache_validity); + unsigned int i; - if ((cache_validity & NFS_INO_INVALID_DATA) || - (cache_validity & NFS_INO_REVAL_PAGECACHE) || - (cache_validity & NFS_INO_REVAL_FORCED) || - (cache_validity & NFS_INO_INVALID_OTHER)) - nfs4_bitmap_copy_adjust(bitmask, nfs4_bitmask(server, label), inode); + memcpy(bitmask, src, sizeof(*bitmask) * NFS4_BITMASK_SZ); + if (cache_validity & NFS_INO_INVALID_CHANGE) + bitmask[0] |= FATTR4_WORD0_CHANGE; if (cache_validity & NFS_INO_INVALID_ATIME) bitmask[1] |= FATTR4_WORD1_TIME_ACCESS; + if (cache_validity & NFS_INO_INVALID_MODE) + bitmask[1] |= FATTR4_WORD1_MODE; if (cache_validity & NFS_INO_INVALID_OTHER) - bitmask[1] |= FATTR4_WORD1_MODE | FATTR4_WORD1_OWNER | - FATTR4_WORD1_OWNER_GROUP | - FATTR4_WORD1_NUMLINKS; + bitmask[1] |= FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP; + if (cache_validity & NFS_INO_INVALID_NLINK) + bitmask[1] |= FATTR4_WORD1_NUMLINKS; if (label && label->len && cache_validity & NFS_INO_INVALID_LABEL) bitmask[2] |= FATTR4_WORD2_SECURITY_LABEL; - if (cache_validity & NFS_INO_INVALID_CHANGE) - bitmask[0] |= FATTR4_WORD0_CHANGE; if (cache_validity & NFS_INO_INVALID_CTIME) bitmask[1] |= FATTR4_WORD1_TIME_METADATA; if (cache_validity & NFS_INO_INVALID_MTIME) bitmask[1] |= FATTR4_WORD1_TIME_MODIFY; - if (cache_validity & NFS_INO_INVALID_SIZE) - bitmask[0] |= FATTR4_WORD0_SIZE; if (cache_validity & NFS_INO_INVALID_BLOCKS) bitmask[1] |= FATTR4_WORD1_SPACE_USED; + + if (cache_validity & NFS_INO_INVALID_SIZE) + bitmask[0] |= FATTR4_WORD0_SIZE; + + for (i = 0; i < NFS4_BITMASK_SZ; i++) + bitmask[i] &= server->attr_bitmask[i]; } static void nfs4_proc_write_setup(struct nfs_pgio_header *hdr, @@ -5459,8 +5495,10 @@ static void nfs4_proc_write_setup(struct nfs_pgio_header *hdr, hdr->args.bitmask = NULL; hdr->res.fattr = NULL; } else { - hdr->args.bitmask = server->cache_consistency_bitmask; - nfs4_bitmask_adjust(hdr->args.bitmask, hdr->inode, server, NULL); + nfs4_bitmask_set(hdr->args.bitmask_store, + server->cache_consistency_bitmask, + hdr->inode, server, NULL); + hdr->args.bitmask = hdr->args.bitmask_store; } if (!hdr->pgio_done_cb) @@ -5858,7 +5896,7 @@ static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen) if (!nfs4_server_supports_acls(server)) return -EOPNOTSUPP; - ret = nfs_revalidate_inode(server, inode); + ret = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE); if (ret < 0) return ret; if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL) @@ -6502,8 +6540,10 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, data->args.fhandle = &data->fh; data->args.stateid = &data->stateid; - data->args.bitmask = server->cache_consistency_bitmask; - nfs4_bitmask_adjust(data->args.bitmask, inode, server, NULL); + nfs4_bitmask_set(data->args.bitmask_store, + server->cache_consistency_bitmask, inode, server, + NULL); + data->args.bitmask = data->args.bitmask_store; nfs_copy_fh(&data->fh, NFS_FH(inode)); nfs4_stateid_copy(&data->stateid, stateid); data->res.fattr = &data->fattr; @@ -7250,22 +7290,22 @@ nfs4_retry_setlk_simple(struct nfs4_state *state, int cmd, #ifdef CONFIG_NFS_V4_1 struct nfs4_lock_waiter { - struct task_struct *task; struct inode *inode; - struct nfs_lowner *owner; + struct nfs_lowner owner; + wait_queue_entry_t wait; }; static int nfs4_wake_lock_waiter(wait_queue_entry_t *wait, unsigned int mode, int flags, void *key) { - int ret; - struct nfs4_lock_waiter *waiter = wait->private; + struct nfs4_lock_waiter *waiter = + container_of(wait, struct nfs4_lock_waiter, wait); /* NULL key means to wake up everyone */ if (key) { struct cb_notify_lock_args *cbnl = key; struct nfs_lowner *lowner = &cbnl->cbnl_owner, - *wowner = waiter->owner; + *wowner = &waiter->owner; /* Only wake if the callback was for the same owner. */ if (lowner->id != wowner->id || lowner->s_dev != wowner->s_dev) @@ -7276,53 +7316,45 @@ nfs4_wake_lock_waiter(wait_queue_entry_t *wait, unsigned int mode, int flags, vo return 0; } - /* override "private" so we can use default_wake_function */ - wait->private = waiter->task; - ret = woken_wake_function(wait, mode, flags, key); - if (ret) - list_del_init(&wait->entry); - wait->private = waiter; - return ret; + return woken_wake_function(wait, mode, flags, key); } static int nfs4_retry_setlk(struct nfs4_state *state, int cmd, struct file_lock *request) { - int status = -ERESTARTSYS; struct nfs4_lock_state *lsp = request->fl_u.nfs4_fl.owner; struct nfs_server *server = NFS_SERVER(state->inode); struct nfs_client *clp = server->nfs_client; wait_queue_head_t *q = &clp->cl_lock_waitq; - struct nfs_lowner owner = { .clientid = clp->cl_clientid, - .id = lsp->ls_seqid.owner_id, - .s_dev = server->s_dev }; - struct nfs4_lock_waiter waiter = { .task = current, - .inode = state->inode, - .owner = &owner}; - wait_queue_entry_t wait; + struct nfs4_lock_waiter waiter = { + .inode = state->inode, + .owner = { .clientid = clp->cl_clientid, + .id = lsp->ls_seqid.owner_id, + .s_dev = server->s_dev }, + }; + int status; /* Don't bother with waitqueue if we don't expect a callback */ if (!test_bit(NFS_STATE_MAY_NOTIFY_LOCK, &state->flags)) return nfs4_retry_setlk_simple(state, cmd, request); - init_wait(&wait); - wait.private = &waiter; - wait.func = nfs4_wake_lock_waiter; + init_wait(&waiter.wait); + waiter.wait.func = nfs4_wake_lock_waiter; + add_wait_queue(q, &waiter.wait); - while(!signalled()) { - add_wait_queue(q, &wait); + do { status = nfs4_proc_setlk(state, cmd, request); - if ((status != -EAGAIN) || IS_SETLK(cmd)) { - finish_wait(q, &wait); + if (status != -EAGAIN || IS_SETLK(cmd)) break; - } status = -ERESTARTSYS; freezer_do_not_count(); - wait_woken(&wait, TASK_INTERRUPTIBLE, NFS4_LOCK_MAXTIMEOUT); + wait_woken(&waiter.wait, TASK_INTERRUPTIBLE, + NFS4_LOCK_MAXTIMEOUT); freezer_count(); - finish_wait(q, &wait); - } + } while (!signalled()); + + remove_wait_queue(q, &waiter.wait); return status; } @@ -7615,7 +7647,7 @@ static int nfs4_xattr_get_nfs4_user(const struct xattr_handler *handler, return -EACCES; } - ret = nfs_revalidate_inode(NFS_SERVER(inode), inode); + ret = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE); if (ret) return ret; @@ -7646,7 +7678,7 @@ nfs4_listxattr_nfs4_user(struct inode *inode, char *list, size_t list_len) return 0; } - ret = nfs_revalidate_inode(NFS_SERVER(inode), inode); + ret = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE); if (ret) return ret; @@ -10427,9 +10459,3 @@ const struct xattr_handler *nfs4_xattr_handlers[] = { #endif NULL }; - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c index ff876dda7f06..db3811af0796 100644 --- a/fs/nfs/nfs4renewd.c +++ b/fs/nfs/nfs4renewd.c @@ -149,9 +149,3 @@ void nfs4_set_lease_period(struct nfs_client *clp, /* Cap maximum reconnect timeout at 1/2 lease period */ rpc_set_connect_timeout(clp->cl_rpcclient, lease, lease >> 1); } - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 3a51351bdc6a..f22818a80c2c 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -645,7 +645,7 @@ void nfs4_purge_state_owners(struct nfs_server *server, struct list_head *head) } /** - * nfs4_purge_state_owners - Release all cached state owners + * nfs4_free_state_owners - Release all cached state owners * @head: resulting list of state owners * * Frees a list of state owners that was generated by @@ -2695,9 +2695,3 @@ static int nfs4_run_state_manager(void *ptr) module_put_and_exit(0); return 0; } - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 48d761e593fb..2ef75caad6da 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -666,7 +666,42 @@ TRACE_EVENT(nfs4_state_mgr_failed, ) ) -TRACE_EVENT(nfs4_xdr_status, +TRACE_EVENT(nfs4_xdr_bad_operation, + TP_PROTO( + const struct xdr_stream *xdr, + u32 op, + u32 expected + ), + + TP_ARGS(xdr, op, expected), + + TP_STRUCT__entry( + __field(unsigned int, task_id) + __field(unsigned int, client_id) + __field(u32, xid) + __field(u32, op) + __field(u32, expected) + ), + + TP_fast_assign( + const struct rpc_rqst *rqstp = xdr->rqst; + const struct rpc_task *task = rqstp->rq_task; + + __entry->task_id = task->tk_pid; + __entry->client_id = task->tk_client->cl_clid; + __entry->xid = be32_to_cpu(rqstp->rq_xid); + __entry->op = op; + __entry->expected = expected; + ), + + TP_printk( + "task:%u@%d xid=0x%08x operation=%u, expected=%u", + __entry->task_id, __entry->client_id, __entry->xid, + __entry->op, __entry->expected + ) +); + +DECLARE_EVENT_CLASS(nfs4_xdr_event, TP_PROTO( const struct xdr_stream *xdr, u32 op, @@ -701,6 +736,16 @@ TRACE_EVENT(nfs4_xdr_status, __entry->op ) ); +#define DEFINE_NFS4_XDR_EVENT(name) \ + DEFINE_EVENT(nfs4_xdr_event, name, \ + TP_PROTO( \ + const struct xdr_stream *xdr, \ + u32 op, \ + u32 error \ + ), \ + TP_ARGS(xdr, op, error)) +DEFINE_NFS4_XDR_EVENT(nfs4_xdr_status); +DEFINE_NFS4_XDR_EVENT(nfs4_xdr_bad_filehandle); DECLARE_EVENT_CLASS(nfs4_cb_error_class, TP_PROTO( diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index ac6b79ee9355..a8cff19c6f00 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -144,7 +144,17 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, * layout types will be returned. */ #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ - nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) + nfs4_fattr_bitmap_maxsz + 1 + \ + 1 /* lease time */ + \ + 2 /* max filesize */ + \ + 2 /* max read */ + \ + 2 /* max write */ + \ + nfstime4_maxsz /* time delta */ + \ + 5 /* fs layout types */ + \ + 1 /* layout blksize */ + \ + 1 /* clone blksize */ + \ + 1 /* change attr type */ + \ + 1 /* xattr support */) #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) #define decode_renew_maxsz (op_decode_hdr_maxsz) #define encode_setclientid_maxsz \ @@ -3200,9 +3210,7 @@ out_status: *nfs_retval = nfs4_stat_to_errno(nfserr); return true; out_bad_operation: - dprintk("nfs: Server returned operation" - " %d but we issued a request for %d\n", - opnum, expected); + trace_nfs4_xdr_bad_operation(xdr, opnum, expected); *nfs_retval = -EREMOTEIO; return false; out_overflow: @@ -3487,8 +3495,11 @@ static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, stru if (unlikely(!p)) return -EIO; len = be32_to_cpup(p); - if (len > NFS4_FHSIZE) - return -EIO; + if (len > NFS4_FHSIZE || len == 0) { + trace_nfs4_xdr_bad_filehandle(xdr, OP_READDIR, + NFS4ERR_BADHANDLE); + return -EREMOTEIO; + } p = xdr_inline_decode(xdr, len); if (unlikely(!p)) return -EIO; @@ -4837,6 +4848,32 @@ static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, return 0; } +static int decode_attr_change_attr_type(struct xdr_stream *xdr, + uint32_t *bitmap, + enum nfs4_change_attr_type *res) +{ + u32 tmp = NFS4_CHANGE_TYPE_IS_UNDEFINED; + + dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); + if (bitmap[2] & FATTR4_WORD2_CHANGE_ATTR_TYPE) { + if (xdr_stream_decode_u32(xdr, &tmp)) + return -EIO; + bitmap[2] &= ~FATTR4_WORD2_CHANGE_ATTR_TYPE; + } + + switch(tmp) { + case NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR: + case NFS4_CHANGE_TYPE_IS_VERSION_COUNTER: + case NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS: + case NFS4_CHANGE_TYPE_IS_TIME_METADATA: + *res = tmp; + break; + default: + *res = NFS4_CHANGE_TYPE_IS_UNDEFINED; + } + return 0; +} + static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) { unsigned int savep; @@ -4885,6 +4922,11 @@ static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) if (status) goto xdr_error; + status = decode_attr_change_attr_type(xdr, bitmap, + &fsinfo->change_attr_type); + if (status) + goto xdr_error; + status = decode_attr_xattrsupport(xdr, bitmap, &fsinfo->xattr_support); if (status) @@ -4913,8 +4955,10 @@ static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) if (unlikely(!p)) return -EIO; len = be32_to_cpup(p); - if (len > NFS4_FHSIZE) - return -EIO; + if (len > NFS4_FHSIZE || len == 0) { + trace_nfs4_xdr_bad_filehandle(xdr, OP_GETFH, NFS4ERR_BADHANDLE); + return -EREMOTEIO; + } fh->size = len; p = xdr_inline_decode(xdr, len); if (unlikely(!p)) @@ -7629,9 +7673,3 @@ const struct rpc_version nfs_version4 = { .procs = nfs4_procedures, .counts = nfs_version4_counts, }; - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/fs/nfs/nfstrace.c b/fs/nfs/nfstrace.c index a90b363500c2..5d1bfccbb4da 100644 --- a/fs/nfs/nfstrace.c +++ b/fs/nfs/nfstrace.c @@ -12,3 +12,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(nfs_fsync_enter); EXPORT_TRACEPOINT_SYMBOL_GPL(nfs_fsync_exit); EXPORT_TRACEPOINT_SYMBOL_GPL(nfs_xdr_status); +EXPORT_TRACEPOINT_SYMBOL_GPL(nfs_xdr_bad_filehandle); diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index 5a59dcdce0b2..eb1ef3462e84 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -45,6 +45,11 @@ TRACE_DEFINE_ENUM(NFS_INO_INVALID_CTIME); TRACE_DEFINE_ENUM(NFS_INO_INVALID_MTIME); TRACE_DEFINE_ENUM(NFS_INO_INVALID_SIZE); TRACE_DEFINE_ENUM(NFS_INO_INVALID_OTHER); +TRACE_DEFINE_ENUM(NFS_INO_DATA_INVAL_DEFER); +TRACE_DEFINE_ENUM(NFS_INO_INVALID_BLOCKS); +TRACE_DEFINE_ENUM(NFS_INO_INVALID_XATTR); +TRACE_DEFINE_ENUM(NFS_INO_INVALID_NLINK); +TRACE_DEFINE_ENUM(NFS_INO_INVALID_MODE); #define nfs_show_cache_validity(v) \ __print_flags(v, "|", \ @@ -60,7 +65,11 @@ TRACE_DEFINE_ENUM(NFS_INO_INVALID_OTHER); { NFS_INO_INVALID_MTIME, "INVALID_MTIME" }, \ { NFS_INO_INVALID_SIZE, "INVALID_SIZE" }, \ { NFS_INO_INVALID_OTHER, "INVALID_OTHER" }, \ - { NFS_INO_INVALID_XATTR, "INVALID_XATTR" }) + { NFS_INO_DATA_INVAL_DEFER, "DATA_INVAL_DEFER" }, \ + { NFS_INO_INVALID_BLOCKS, "INVALID_BLOCKS" }, \ + { NFS_INO_INVALID_XATTR, "INVALID_XATTR" }, \ + { NFS_INO_INVALID_NLINK, "INVALID_NLINK" }, \ + { NFS_INO_INVALID_MODE, "INVALID_MODE" }) TRACE_DEFINE_ENUM(NFS_INO_ADVISE_RDPLUS); TRACE_DEFINE_ENUM(NFS_INO_STALE); @@ -1392,7 +1401,7 @@ TRACE_DEFINE_ENUM(NFSERR_JUKEBOX); { NFSERR_BADTYPE, "BADTYPE" }, \ { NFSERR_JUKEBOX, "JUKEBOX" }) -TRACE_EVENT(nfs_xdr_status, +DECLARE_EVENT_CLASS(nfs_xdr_event, TP_PROTO( const struct xdr_stream *xdr, int error @@ -1434,6 +1443,15 @@ TRACE_EVENT(nfs_xdr_status, nfs_show_status(__entry->error) ) ); +#define DEFINE_NFS_XDR_EVENT(name) \ + DEFINE_EVENT(nfs_xdr_event, name, \ + TP_PROTO( \ + const struct xdr_stream *xdr, \ + int error \ + ), \ + TP_ARGS(xdr, error)) +DEFINE_NFS_XDR_EVENT(nfs_xdr_status); +DEFINE_NFS_XDR_EVENT(nfs_xdr_bad_filehandle); #endif /* _TRACE_NFS_H */ diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 78c9c4bdef2b..6c20b28d9d7c 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -577,7 +577,7 @@ static void nfs_clear_request(struct nfs_page *req) } /** - * nfs_release_request - Release the count on an NFS read/write request + * nfs_free_request - Release the count on an NFS read/write request * @req: request to release * * Note: Should never be called with the spinlock held! @@ -1152,7 +1152,7 @@ nfs_pageio_cleanup_request(struct nfs_pageio_descriptor *desc, } /** - * nfs_pageio_add_request - Attempt to coalesce a request into a page list. + * __nfs_pageio_add_request - Attempt to coalesce a request into a page list. * @desc: destination io descriptor * @req: request * diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 102b66e0bdef..03e0b34c4a64 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1344,7 +1344,7 @@ _pnfs_return_layout(struct inode *ino) } valid_layout = pnfs_layout_is_valid(lo); pnfs_clear_layoutcommit(ino, &tmp_list); - pnfs_mark_matching_lsegs_invalid(lo, &tmp_list, NULL, 0); + pnfs_mark_matching_lsegs_return(lo, &tmp_list, NULL, 0); if (NFS_SERVER(ino)->pnfs_curr_ld->return_range) { struct pnfs_layout_range range = { @@ -2410,9 +2410,7 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) .iomode = IOMODE_ANY, .length = NFS4_MAX_UINT64, }; - pnfs_set_plh_return_info(lo, IOMODE_ANY, 0); - pnfs_mark_matching_lsegs_return(lo, &lo->plh_return_segs, - &range, 0); + pnfs_mark_matching_lsegs_return(lo, &free_me, &range, 0); goto out_forget; } else { /* We have a completely new layout */ @@ -2468,6 +2466,9 @@ pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo, assert_spin_locked(&lo->plh_inode->i_lock); + if (test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) + tmp_list = &lo->plh_return_segs; + list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) if (pnfs_match_lseg_recall(lseg, return_range, seq)) { dprintk("%s: marking lseg %p iomode %d " @@ -2475,6 +2476,8 @@ pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo, lseg, lseg->pls_range.iomode, lseg->pls_range.offset, lseg->pls_range.length); + if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) + tmp_list = &lo->plh_return_segs; if (mark_lseg_invalid(lseg, tmp_list)) continue; remaining++; diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index 73ab7c59d3a7..ea19dbf12301 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -91,6 +91,7 @@ nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, info->dtpref = fsinfo.tsize; info->maxfilesize = 0x7FFFFFFF; info->lease_time = 0; + info->change_attr_type = NFS4_CHANGE_TYPE_IS_TIME_METADATA; return 0; } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 4aaa1f5dd381..19a212f9725d 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -116,16 +116,12 @@ static void unregister_nfs4_fs(void) #ifdef CONFIG_NFS_V4_2 static void nfs_ssc_register_ops(void) { -#ifdef CONFIG_NFSD_V4 nfs_ssc_register(&nfs_ssc_clnt_ops_tbl); -#endif } static void nfs_ssc_unregister_ops(void) { -#ifdef CONFIG_NFSD_V4 nfs_ssc_unregister(&nfs_ssc_clnt_ops_tbl); -#endif } #endif /* CONFIG_NFS_V4_2 */ @@ -867,7 +863,7 @@ static int nfs_request_mount(struct fs_context *fc, * Now ask the mount server to map our export path * to a file handle. */ - status = nfs_mount(&request); + status = nfs_mount(&request, ctx->timeo, ctx->retrans); if (status != 0) { dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n", request.hostname, status); diff --git a/fs/nfs/write.c b/fs/nfs/write.c index f05a90338a76..3bf82178166a 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -764,9 +764,6 @@ static void nfs_inode_add_request(struct inode *inode, struct nfs_page *req) * with invalidate/truncate. */ spin_lock(&mapping->private_lock); - if (!nfs_have_writebacks(inode) && - NFS_PROTO(inode)->have_delegation(inode, FMODE_WRITE)) - inode_inc_iversion_raw(inode); if (likely(!PageSwapCache(req->wb_page))) { set_bit(PG_MAPPED, &req->wb_flags); SetPagePrivate(req->wb_page); @@ -1293,7 +1290,7 @@ static bool nfs_write_pageuptodate(struct page *page, struct inode *inode, if (nfs_have_delegated_attributes(inode)) goto out; if (nfsi->cache_validity & - (NFS_INO_REVAL_PAGECACHE | NFS_INO_INVALID_SIZE)) + (NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE)) return false; smp_rmb(); if (test_bit(NFS_INO_INVALIDATING, &nfsi->flags) && pagelen != 0) @@ -1604,7 +1601,7 @@ static int nfs_writeback_done(struct rpc_task *task, /* Deal with the suid/sgid bit corner case */ if (nfs_should_remove_suid(inode)) { spin_lock(&inode->i_lock); - nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER); + nfs_set_cache_invalid(inode, NFS_INO_INVALID_MODE); spin_unlock(&inode->i_lock); } return 0; diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig index 5fa38ad9e7e3..f229172652be 100644 --- a/fs/nfsd/Kconfig +++ b/fs/nfsd/Kconfig @@ -138,7 +138,7 @@ config NFSD_FLEXFILELAYOUT config NFSD_V4_2_INTER_SSC bool "NFSv4.2 inter server to server COPY" - depends on NFSD_V4 && NFS_V4_1 && NFS_V4_2 + depends on NFSD_V4 && NFS_V4_2 help This option enables support for NFSv4.2 inter server to server copy where the destination server calls the NFSv4.2 diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index daf43b980d4b..f4ce93d7f26e 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -3317,9 +3317,3 @@ const struct svc_version nfsd_version4 = { .vs_rpcb_optnl = true, .vs_need_cong_ctrl = true, }; - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index e0f06d3cbd44..7abeccb975b2 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -5448,9 +5448,3 @@ nfs4svc_encode_compoundres(struct svc_rqst *rqstp, __be32 *p) nfsd4_sequence_done(resp); return 1; } - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index fe540a3415c6..a7c425254fee 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -866,9 +866,3 @@ struct nfsd4_operation { #endif - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c index 025fb082575a..ce144776b4ef 100644 --- a/fs/nilfs2/cpfile.c +++ b/fs/nilfs2/cpfile.c @@ -293,7 +293,7 @@ void nilfs_cpfile_put_checkpoint(struct inode *cpfile, __u64 cno, * nilfs_cpfile_delete_checkpoints - delete checkpoints * @cpfile: inode of checkpoint file * @start: start checkpoint number - * @end: end checkpoint numer + * @end: end checkpoint number * * Description: nilfs_cpfile_delete_checkpoints() deletes the checkpoints in * the period from @start to @end, excluding @end itself. The checkpoints diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 3fcb9357bbfd..640ac8fe891e 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -1043,7 +1043,7 @@ out: * @inode: inode object * @argp: pointer on argument from userspace * - * Decription: nilfs_ioctl_trim_fs is the FITRIM ioctl handle function. It + * Description: nilfs_ioctl_trim_fs is the FITRIM ioctl handle function. It * checks the arguments from userspace and calls nilfs_sufile_trim_fs, which * performs the actual trim operation. * @@ -1085,7 +1085,7 @@ static int nilfs_ioctl_trim_fs(struct inode *inode, void __user *argp) * @inode: inode object * @argp: pointer on argument from userspace * - * Decription: nilfs_ioctl_set_alloc_range() function defines lower limit + * Description: nilfs_ioctl_set_alloc_range() function defines lower limit * of segments in bytes and upper limit of segments in bytes. * The NILFS_IOCTL_SET_ALLOC_RANGE is used by nilfs_resize utility. * diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index cd4da9535aed..686c8ee7b29c 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2214,7 +2214,7 @@ static void nilfs_segctor_wakeup(struct nilfs_sc_info *sci, int err) * nilfs_construct_segment - construct a logical segment * @sb: super block * - * Return Value: On success, 0 is retured. On errors, one of the following + * Return Value: On success, 0 is returned. On errors, one of the following * negative error code is returned. * * %-EROFS - Read only filesystem. @@ -2251,7 +2251,7 @@ int nilfs_construct_segment(struct super_block *sb) * @start: start byte offset * @end: end byte offset (inclusive) * - * Return Value: On success, 0 is retured. On errors, one of the following + * Return Value: On success, 0 is returned. On errors, one of the following * negative error code is returned. * * %-EROFS - Read only filesystem. diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 221a1cc597f0..8b7b01a380ce 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -195,7 +195,7 @@ static int nilfs_store_log_cursor(struct the_nilfs *nilfs, /** * load_nilfs - load and recover the nilfs * @nilfs: the_nilfs structure to be released - * @sb: super block isntance used to recover past segment + * @sb: super block instance used to recover past segment * * load_nilfs() searches and load the latest super root, * attaches the last segment, and does recovery if needed. diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 5259badabb56..5c72a7e6d6c5 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * acl.c * * Copyright (C) 2004, 2008 Oracle. All rights reserved. diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h index 4e86450917b2..f59d8d0a61fa 100644 --- a/fs/ocfs2/acl.h +++ b/fs/ocfs2/acl.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * acl.h * * Copyright (C) 2004, 2008 Oracle. All rights reserved. diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 78710788c237..e032f2e2c2c5 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * alloc.c * * Extent allocs and frees diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 7f973dd76dbc..4af7abaa6e40 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * alloc.h * * Function prototypes diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index ad20403b383f..1294925ac94a 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2002, 2004 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h index 70ed4382750d..3a520117fa59 100644 --- a/fs/ocfs2/aops.h +++ b/fs/ocfs2/aops.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2002, 2004, 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c index dabfef9c2bc0..863a5316030b 100644 --- a/fs/ocfs2/blockcheck.c +++ b/fs/ocfs2/blockcheck.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * blockcheck.c * * Checksum and ECC codes for the OCFS2 userspace library. diff --git a/fs/ocfs2/blockcheck.h b/fs/ocfs2/blockcheck.h index 8f17d2c85f40..d0578e98ee8d 100644 --- a/fs/ocfs2/blockcheck.h +++ b/fs/ocfs2/blockcheck.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * blockcheck.h * * Checksum and ECC codes for the OCFS2 userspace library. diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index f0b104e483d8..e7758778abef 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * io.c * * Buffer cache handling diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index 1c5e533fba04..2d51649fc090 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2_buffer_head.h * * Buffer cache handling functions defined diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 12a7590601dd..e829c2595543 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2004, 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/cluster/heartbeat.h b/fs/ocfs2/cluster/heartbeat.h index beed31ea86cf..1d4100abf6f8 100644 --- a/fs/ocfs2/cluster/heartbeat.h +++ b/fs/ocfs2/cluster/heartbeat.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * heartbeat.h * * Function prototypes diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c index 1d696c96b8b2..810d32815593 100644 --- a/fs/ocfs2/cluster/masklog.c +++ b/fs/ocfs2/cluster/masklog.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2004, 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h index 446e452ac7a6..b73fc42e46ff 100644 --- a/fs/ocfs2/cluster/masklog.h +++ b/fs/ocfs2/cluster/masklog.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c index 667a5c5e1f66..7524994e3199 100644 --- a/fs/ocfs2/cluster/netdebug.c +++ b/fs/ocfs2/cluster/netdebug.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * netdebug.c * * debug functionality for o2net diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c index 7a7640c59f3c..bb82e6b1ff4e 100644 --- a/fs/ocfs2/cluster/nodemanager.c +++ b/fs/ocfs2/cluster/nodemanager.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2004, 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/cluster/nodemanager.h b/fs/ocfs2/cluster/nodemanager.h index 3e0006631cc4..3490e77a952d 100644 --- a/fs/ocfs2/cluster/nodemanager.h +++ b/fs/ocfs2/cluster/nodemanager.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * nodemanager.h * * Function prototypes diff --git a/fs/ocfs2/cluster/ocfs2_heartbeat.h b/fs/ocfs2/cluster/ocfs2_heartbeat.h index 760d850be11e..6088c9f974dd 100644 --- a/fs/ocfs2/cluster/ocfs2_heartbeat.h +++ b/fs/ocfs2/cluster/ocfs2_heartbeat.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2_heartbeat.h * * On-disk structures for ocfs2_heartbeat diff --git a/fs/ocfs2/cluster/ocfs2_nodemanager.h b/fs/ocfs2/cluster/ocfs2_nodemanager.h index 21ad307419a8..c9a0b77443e7 100644 --- a/fs/ocfs2/cluster/ocfs2_nodemanager.h +++ b/fs/ocfs2/cluster/ocfs2_nodemanager.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2_nodemanager.h * * Header describing the interface between userspace and the kernel diff --git a/fs/ocfs2/cluster/quorum.c b/fs/ocfs2/cluster/quorum.c index cea739be77c4..189c111bc371 100644 --- a/fs/ocfs2/cluster/quorum.c +++ b/fs/ocfs2/cluster/quorum.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * - * vim: noexpandtab sw=8 ts=8 sts=0: +/* * * Copyright (C) 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/cluster/quorum.h b/fs/ocfs2/cluster/quorum.h index 6d45ce8b18a1..d64bf4482a4a 100644 --- a/fs/ocfs2/cluster/quorum.h +++ b/fs/ocfs2/cluster/quorum.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/cluster/sys.c b/fs/ocfs2/cluster/sys.c index d6067c3d84c1..022f716c74ff 100644 --- a/fs/ocfs2/cluster/sys.c +++ b/fs/ocfs2/cluster/sys.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * sys.c * * OCFS2 cluster sysfs interface diff --git a/fs/ocfs2/cluster/sys.h b/fs/ocfs2/cluster/sys.h index ce380517cf17..70aaba65317e 100644 --- a/fs/ocfs2/cluster/sys.h +++ b/fs/ocfs2/cluster/sys.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * sys.h * * Function prototypes for o2cb sysfs interface diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index 3bd8119bed5e..f660c0dbdb63 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * - * vim: noexpandtab sw=8 ts=8 sts=0: +/* * * Copyright (C) 2004 Oracle. All rights reserved. * diff --git a/fs/ocfs2/cluster/tcp.h b/fs/ocfs2/cluster/tcp.h index 736338f45c59..a75b551d31c7 100644 --- a/fs/ocfs2/cluster/tcp.h +++ b/fs/ocfs2/cluster/tcp.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * tcp.h * * Function prototypes diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h index e6a2b9dfcd16..601c99bd2611 100644 --- a/fs/ocfs2/cluster/tcp_internal.h +++ b/fs/ocfs2/cluster/tcp_internal.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * Copyright (C) 2005 Oracle. All rights reserved. */ diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index 42a61eecdacd..04fc8344063a 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dcache.c * * dentry cache handling code diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h index 3686a52ba143..7f246c5692d8 100644 --- a/fs/ocfs2/dcache.h +++ b/fs/ocfs2/dcache.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dcache.h * * Function prototypes diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index bdfba9db558a..bd8d534f11cb 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dir.c * * Creates, reads, walks and deletes directory-nodes diff --git a/fs/ocfs2/dir.h b/fs/ocfs2/dir.h index e3e7d5dd29e8..4b9f5a12c7d2 100644 --- a/fs/ocfs2/dir.h +++ b/fs/ocfs2/dir.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dir.h * * Function prototypes diff --git a/fs/ocfs2/dlm/dlmapi.h b/fs/ocfs2/dlm/dlmapi.h index 6456c0fbcbb2..bae60ca2672a 100644 --- a/fs/ocfs2/dlm/dlmapi.h +++ b/fs/ocfs2/dlm/dlmapi.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmapi.h * * externally exported dlm interfaces diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c index 70a10764f249..c681ba957932 100644 --- a/fs/ocfs2/dlm/dlmast.c +++ b/fs/ocfs2/dlm/dlmast.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmast.c * * AST and BAST functionality for local and remote nodes diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h index 58d57e25d384..fd2022712167 100644 --- a/fs/ocfs2/dlm/dlmcommon.h +++ b/fs/ocfs2/dlm/dlmcommon.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmcommon.h * * Copyright (C) 2004 Oracle. All rights reserved. diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c index 6051edc33aef..450d46eefab3 100644 --- a/fs/ocfs2/dlm/dlmconvert.c +++ b/fs/ocfs2/dlm/dlmconvert.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmconvert.c * * underlying calls for lock conversion diff --git a/fs/ocfs2/dlm/dlmconvert.h b/fs/ocfs2/dlm/dlmconvert.h index 12d9c28bc52f..1f371716513b 100644 --- a/fs/ocfs2/dlm/dlmconvert.h +++ b/fs/ocfs2/dlm/dlmconvert.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmconvert.h * * Copyright (C) 2004 Oracle. All rights reserved. diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c index 4b8b41d23e91..d442cf5dda8a 100644 --- a/fs/ocfs2/dlm/dlmdebug.c +++ b/fs/ocfs2/dlm/dlmdebug.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmdebug.c * * debug functionality for the dlm diff --git a/fs/ocfs2/dlm/dlmdebug.h b/fs/ocfs2/dlm/dlmdebug.h index f8fd8680a4b6..e08f7357e7ec 100644 --- a/fs/ocfs2/dlm/dlmdebug.h +++ b/fs/ocfs2/dlm/dlmdebug.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmdebug.h * * Copyright (C) 2008 Oracle. All rights reserved. diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 357cfc702ce3..9f90fc9551e1 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmdomain.c * * defines domain join / leave apis diff --git a/fs/ocfs2/dlm/dlmdomain.h b/fs/ocfs2/dlm/dlmdomain.h index 7c21664d23d0..815abe30ad09 100644 --- a/fs/ocfs2/dlm/dlmdomain.h +++ b/fs/ocfs2/dlm/dlmdomain.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmdomain.h * * Copyright (C) 2004 Oracle. All rights reserved. diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c index 83f0760e4fba..041fd1791ae7 100644 --- a/fs/ocfs2/dlm/dlmlock.c +++ b/fs/ocfs2/dlm/dlmlock.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmlock.c * * underlying calls for lock creation diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index f105746063ed..4960a6de768d 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmmod.c * * standalone DLM module diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c index afc51736686c..0e7aad1b11cc 100644 --- a/fs/ocfs2/dlm/dlmrecovery.c +++ b/fs/ocfs2/dlm/dlmrecovery.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmrecovery.c * * recovery stuff diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c index 5ccc4ff0b82a..c350bd4df770 100644 --- a/fs/ocfs2/dlm/dlmthread.c +++ b/fs/ocfs2/dlm/dlmthread.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmthread.c * * standalone DLM module diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c index dcb17ca8ae74..61103b2d69fb 100644 --- a/fs/ocfs2/dlm/dlmunlock.c +++ b/fs/ocfs2/dlm/dlmunlock.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmunlock.c * * underlying calls for unlocking locks diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index b2870f1a31df..fa0a14f199eb 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmfs.c * * Code which implements the kernel side of a minimal userspace diff --git a/fs/ocfs2/dlmfs/userdlm.c b/fs/ocfs2/dlmfs/userdlm.c index 339f098d9592..29f183a15798 100644 --- a/fs/ocfs2/dlmfs/userdlm.c +++ b/fs/ocfs2/dlmfs/userdlm.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * userdlm.c * * Code which implements the kernel side of a minimal userspace diff --git a/fs/ocfs2/dlmfs/userdlm.h b/fs/ocfs2/dlmfs/userdlm.h index 0558ae768200..47ba18eac423 100644 --- a/fs/ocfs2/dlmfs/userdlm.h +++ b/fs/ocfs2/dlmfs/userdlm.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * userdlm.h * * Userspace dlm defines diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 0fbe8bf7190f..48fd369c29a4 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmglue.c * * Code which implements an OCFS2 specific interface to our DLM. diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h index b8fbed25df89..e5da5809ed95 100644 --- a/fs/ocfs2/dlmglue.h +++ b/fs/ocfs2/dlmglue.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * dlmglue.h * * description here diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c index 69ed278dd84d..eaa8c80ace3c 100644 --- a/fs/ocfs2/export.c +++ b/fs/ocfs2/export.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * export.c * * Functions to facilitate NFS exporting diff --git a/fs/ocfs2/export.h b/fs/ocfs2/export.h index d485da0c3439..636357400505 100644 --- a/fs/ocfs2/export.h +++ b/fs/ocfs2/export.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * export.h * * Function prototypes diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 7b93e9c766f6..70a768b623cf 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * extent_map.c * * Block/Cluster mapping functions diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h index e5464f6cee8a..bc4ed59fb925 100644 --- a/fs/ocfs2/extent_map.h +++ b/fs/ocfs2/extent_map.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * extent_map.h * * In-memory file extent mappings for OCFS2. diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index db8a6265b749..f17c3d33fb18 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * file.c * * File open, close, extend, truncate diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h index 8536cec5f122..71db8f3aa027 100644 --- a/fs/ocfs2/file.h +++ b/fs/ocfs2/file.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * file.h * * Function prototypes diff --git a/fs/ocfs2/filecheck.c b/fs/ocfs2/filecheck.c index 50f11bfdc8c2..90b8d300c1ee 100644 --- a/fs/ocfs2/filecheck.c +++ b/fs/ocfs2/filecheck.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * filecheck.c * * Code which implements online file check. diff --git a/fs/ocfs2/filecheck.h b/fs/ocfs2/filecheck.h index 4d006777ac54..d3bcb8bcfeb0 100644 --- a/fs/ocfs2/filecheck.h +++ b/fs/ocfs2/filecheck.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * filecheck.h * * Online file check. diff --git a/fs/ocfs2/heartbeat.c b/fs/ocfs2/heartbeat.c index 60c5f995d30c..9099d8fc7599 100644 --- a/fs/ocfs2/heartbeat.c +++ b/fs/ocfs2/heartbeat.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * heartbeat.c * * Register ourselves with the heartbaet service, keep our node maps diff --git a/fs/ocfs2/heartbeat.h b/fs/ocfs2/heartbeat.h index 5fedb2d35dc0..f1f8b1802fe4 100644 --- a/fs/ocfs2/heartbeat.h +++ b/fs/ocfs2/heartbeat.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * heartbeat.h * * Function prototypes diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 7c9dfd50c1c1..bc8f32fab964 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * inode.c * * vfs' aops, fops, dops and iops diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index 51a4f7197987..82b28fdacc7e 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * inode.h * * Function prototypes diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index db52e843002a..4e589ce2fce6 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * journal.c * * Defines functions of journalling api diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index bfe611ed1b1d..d158acb8b38a 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * journal.h * * Defines journalling api and structures. diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index fc8252a28cb1..5f6bacbeef6b 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * localalloc.c * * Node local data allocation diff --git a/fs/ocfs2/localalloc.h b/fs/ocfs2/localalloc.h index e8a5cea48639..08f925b7ec6d 100644 --- a/fs/ocfs2/localalloc.h +++ b/fs/ocfs2/localalloc.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * localalloc.h * * Function prototypes diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c index 7edc4e5c7c2c..fab7c6a4a7d0 100644 --- a/fs/ocfs2/locks.c +++ b/fs/ocfs2/locks.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * locks.c * * Userspace file locking support diff --git a/fs/ocfs2/locks.h b/fs/ocfs2/locks.h index 389fe1fce3a5..b52de3947d5f 100644 --- a/fs/ocfs2/locks.h +++ b/fs/ocfs2/locks.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * locks.h * * Function prototypes for Userspace file locking support diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c index 25cabbfe87fc..1834f26522ed 100644 --- a/fs/ocfs2/mmap.c +++ b/fs/ocfs2/mmap.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * mmap.c * * Code to deal with the mess that is clustered mmap. diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index 758d9661ef1e..192cad0662d8 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * move_extents.c * * Copyright (C) 2011 Oracle. All rights reserved. diff --git a/fs/ocfs2/move_extents.h b/fs/ocfs2/move_extents.h index 28cac43892c5..987f9e559f30 100644 --- a/fs/ocfs2/move_extents.h +++ b/fs/ocfs2/move_extents.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * move_extents.h * * Copyright (C) 2011 Oracle. All rights reserved. diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 05ced86580d1..2c46ff6ba4ea 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * namei.c * * Create and rename file, directory, symlinks diff --git a/fs/ocfs2/namei.h b/fs/ocfs2/namei.h index cc091ed02b4a..9cc891eb874e 100644 --- a/fs/ocfs2/namei.h +++ b/fs/ocfs2/namei.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * namei.h * * Function prototypes diff --git a/fs/ocfs2/ocfs1_fs_compat.h b/fs/ocfs2/ocfs1_fs_compat.h index 01ae48c4834d..6dbcf3d467fb 100644 --- a/fs/ocfs2/ocfs1_fs_compat.h +++ b/fs/ocfs2/ocfs1_fs_compat.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs1_fs_compat.h * * OCFS1 volume header definitions. OCFS2 creates valid but unmountable diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 7993d527edae..bb62cc2e0211 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2.h * * Defines macros and structures used in OCFS2 diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 19137c6d087b..638d875eccc7 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2_fs.h * * On-disk structures for OCFS2. diff --git a/fs/ocfs2/ocfs2_ioctl.h b/fs/ocfs2/ocfs2_ioctl.h index 273616bd4f19..9680797bc531 100644 --- a/fs/ocfs2/ocfs2_ioctl.h +++ b/fs/ocfs2/ocfs2_ioctl.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2_ioctl.h * * Defines OCFS2 ioctls. diff --git a/fs/ocfs2/ocfs2_lockid.h b/fs/ocfs2/ocfs2_lockid.h index b4be84956bc1..8ac357ce6a30 100644 --- a/fs/ocfs2/ocfs2_lockid.h +++ b/fs/ocfs2/ocfs2_lockid.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2_lockid.h * * Defines OCFS2 lockid bits. diff --git a/fs/ocfs2/ocfs2_lockingver.h b/fs/ocfs2/ocfs2_lockingver.h index 5c9c105b33ee..31a5e1619e7f 100644 --- a/fs/ocfs2/ocfs2_lockingver.h +++ b/fs/ocfs2/ocfs2_lockingver.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * ocfs2_lockingver.h * * Defines OCFS2 Locking version values. diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index c19a463fac55..7f6355cbb587 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * refcounttree.c * * Copyright (C) 2009 Oracle. All rights reserved. diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 0b9014495726..8197a94feec0 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * refcounttree.h * * Copyright (C) 2009 Oracle. All rights reserved. diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c index bf3842e34fb9..769e466887b0 100644 --- a/fs/ocfs2/reservations.c +++ b/fs/ocfs2/reservations.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * reservations.c * * Allocation reservations implementation diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h index 6ac88122896d..677c50663595 100644 --- a/fs/ocfs2/reservations.h +++ b/fs/ocfs2/reservations.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * reservations.h * * Allocation reservations function prototypes and structures. diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 24eb52f9059c..d65d43c61857 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * resize.c * * volume resize. diff --git a/fs/ocfs2/resize.h b/fs/ocfs2/resize.h index 0af0c023042c..4990637219ef 100644 --- a/fs/ocfs2/resize.h +++ b/fs/ocfs2/resize.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * resize.h * * Function prototypes diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index 4da0e4b1e79b..0b0ae3ebb0cf 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * slot_map.c * * Copyright (C) 2002, 2004 Oracle. All rights reserved. diff --git a/fs/ocfs2/slot_map.h b/fs/ocfs2/slot_map.h index 93b53e73f0f7..a43644570b53 100644 --- a/fs/ocfs2/slot_map.h +++ b/fs/ocfs2/slot_map.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * slotmap.h * * description here diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c index f70012038383..88f75f7f02d7 100644 --- a/fs/ocfs2/stack_o2cb.c +++ b/fs/ocfs2/stack_o2cb.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * stack_o2cb.c * * Code which interfaces ocfs2 with the o2cb stack. diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c index 7397064c3f35..85a47621e0c0 100644 --- a/fs/ocfs2/stack_user.c +++ b/fs/ocfs2/stack_user.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * stack_user.c * * Code which interfaces ocfs2 with fs/dlm and a userspace stack. diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c index 8d33ebc6b6fc..d50e8b8dfea4 100644 --- a/fs/ocfs2/stackglue.c +++ b/fs/ocfs2/stackglue.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * stackglue.c * * Code which implements an OCFS2 specific interface to underlying diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h index e9d26cbeb3b8..3636847fae19 100644 --- a/fs/ocfs2/stackglue.h +++ b/fs/ocfs2/stackglue.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * stackglue.h * * Glue to the underlying cluster stack. diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 8c8cf7f4eb34..8521942f5af2 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * suballoc.c * * metadata alloc and free diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 50b36250beb6..5805a03d100b 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * suballoc.h * * Defines sub allocator api diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 079f8826993e..c86bd4e60e20 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * super.c * * load/unload driver, mount/dismount volumes diff --git a/fs/ocfs2/super.h b/fs/ocfs2/super.h index 76facaf63336..8312651135b9 100644 --- a/fs/ocfs2/super.h +++ b/fs/ocfs2/super.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * super.h * * Function prototypes diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index 94cfacc9bad7..f755a4985821 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * linux/cluster/ssi/cfs/symlink.c * * This program is free software; you can redistribute it and/or diff --git a/fs/ocfs2/symlink.h b/fs/ocfs2/symlink.h index 167094d1e5aa..ffcf0210545c 100644 --- a/fs/ocfs2/symlink.h +++ b/fs/ocfs2/symlink.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * symlink.h * * Function prototypes diff --git a/fs/ocfs2/sysfile.c b/fs/ocfs2/sysfile.c index bb701c4e449f..53a945da873b 100644 --- a/fs/ocfs2/sysfile.c +++ b/fs/ocfs2/sysfile.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * sysfile.c * * Initialize, read, write, etc. system files. diff --git a/fs/ocfs2/sysfile.h b/fs/ocfs2/sysfile.h index a83dd962fccb..2b38c75990fd 100644 --- a/fs/ocfs2/sysfile.h +++ b/fs/ocfs2/sysfile.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * sysfile.h * * Function prototypes diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c index 580852ba05c4..09854925fa5c 100644 --- a/fs/ocfs2/uptodate.c +++ b/fs/ocfs2/uptodate.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * uptodate.c * * Tracking the up-to-date-ness of a local buffer_head with respect to diff --git a/fs/ocfs2/uptodate.h b/fs/ocfs2/uptodate.h index 77a30cae4879..85d94134001b 100644 --- a/fs/ocfs2/uptodate.h +++ b/fs/ocfs2/uptodate.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * uptodate.h * * Cluster uptodate tracking diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 36ae47a4aef6..dd784eb0cd7c 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * xattr.c * * Copyright (C) 2004, 2008 Oracle. All rights reserved. diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 9c80382da1f5..00308b57f64f 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * xattr.h * * Copyright (C) 2004, 2008 Oracle. All rights reserved. diff --git a/fs/proc/generic.c b/fs/proc/generic.c index bc86aa87cc41..5b78739e60e4 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -166,15 +166,8 @@ static int __xlate_proc_name(const char *name, struct proc_dir_entry **ret, const char *cp = name, *next; struct proc_dir_entry *de; - de = *ret; - if (!de) - de = &proc_root; - - while (1) { - next = strchr(cp, '/'); - if (!next) - break; - + de = *ret ?: &proc_root; + while ((next = strchr(cp, '/')) != NULL) { de = pde_subdir_find(de, cp, next - cp); if (!de) { WARN(1, "name '%s'\n", name); @@ -756,7 +749,7 @@ int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) while (1) { next = pde_subdir_first(de); if (next) { - if (unlikely(pde_is_permanent(root))) { + if (unlikely(pde_is_permanent(next))) { write_unlock(&proc_subdir_lock); WARN(1, "removing permanent /proc entry '%s/%s'", next->parent->name, next->name); diff --git a/fs/proc/inode.c b/fs/proc/inode.c index bde6b6f69852..599eb724ff2d 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -273,25 +273,15 @@ void proc_entry_rundown(struct proc_dir_entry *de) spin_unlock(&de->pde_unload_lock); } -static loff_t pde_lseek(struct proc_dir_entry *pde, struct file *file, loff_t offset, int whence) -{ - typeof_member(struct proc_ops, proc_lseek) lseek; - - lseek = pde->proc_ops->proc_lseek; - if (!lseek) - lseek = default_llseek; - return lseek(file, offset, whence); -} - static loff_t proc_reg_llseek(struct file *file, loff_t offset, int whence) { struct proc_dir_entry *pde = PDE(file_inode(file)); loff_t rv = -EINVAL; if (pde_is_permanent(pde)) { - return pde_lseek(pde, file, offset, whence); + return pde->proc_ops->proc_lseek(file, offset, whence); } else if (use_pde(pde)) { - rv = pde_lseek(pde, file, offset, whence); + rv = pde->proc_ops->proc_lseek(file, offset, whence); unuse_pde(pde); } return rv; @@ -493,7 +483,6 @@ proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, static int proc_reg_open(struct inode *inode, struct file *file) { - struct proc_fs_info *fs_info = proc_sb_info(inode->i_sb); struct proc_dir_entry *pde = PDE(inode); int rv = 0; typeof_member(struct proc_ops, proc_open) open; @@ -507,9 +496,6 @@ static int proc_reg_open(struct inode *inode, struct file *file) return rv; } - if (fs_info->pidonly == PROC_PIDONLY_ON) - return -ENOENT; - /* * Ensure that * 1) PDE's ->release hook will be called no matter what diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 66c7dd11bd7c..dea0f5ee540c 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -1563,7 +1563,7 @@ err_register_leaves: } /** - * register_sysctl_table_path - register a sysctl table hierarchy + * register_sysctl_paths - register a sysctl table hierarchy * @path: The path to the directory the sysctl table is in. * @table: the top-level table structure * diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index 155b82870333..4a7cb16e9345 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c @@ -488,13 +488,3 @@ int reiserfs_proc_info_global_done(void) * (available at http://www.namesys.com/legalese.html) * */ - -/* - * Make Linus happy. - * Local variables: - * c-indentation-style: "K&R" - * mode-name: "LC" - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/fs/unicode/.gitignore b/fs/unicode/.gitignore index 9b2467e77b2d..361294571ab0 100644 --- a/fs/unicode/.gitignore +++ b/fs/unicode/.gitignore @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -mkutf8data -utf8data.h +/mkutf8data +/utf8data.h diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c index 6c5f8d10589c..e32a1833d523 100644 --- a/fs/xfs/libxfs/xfs_ag_resv.c +++ b/fs/xfs/libxfs/xfs_ag_resv.c @@ -253,7 +253,8 @@ xfs_ag_resv_init( xfs_agnumber_t agno = pag->pag_agno; xfs_extlen_t ask; xfs_extlen_t used; - int error = 0; + int error = 0, error2; + bool has_resv = false; /* Create the metadata reservation. */ if (pag->pag_meta_resv.ar_asked == 0) { @@ -291,6 +292,8 @@ xfs_ag_resv_init( if (error) goto out; } + if (ask) + has_resv = true; } /* Create the RMAPBT metadata reservation */ @@ -304,19 +307,28 @@ xfs_ag_resv_init( error = __xfs_ag_resv_init(pag, XFS_AG_RESV_RMAPBT, ask, used); if (error) goto out; + if (ask) + has_resv = true; } -#ifdef DEBUG - /* need to read in the AGF for the ASSERT below to work */ - error = xfs_alloc_pagf_init(pag->pag_mount, tp, pag->pag_agno, 0); - if (error) - return error; - - ASSERT(xfs_perag_resv(pag, XFS_AG_RESV_METADATA)->ar_reserved + - xfs_perag_resv(pag, XFS_AG_RESV_RMAPBT)->ar_reserved <= - pag->pagf_freeblks + pag->pagf_flcount); -#endif out: + /* + * Initialize the pagf if we have at least one active reservation on the + * AG. This may have occurred already via reservation calculation, but + * fall back to an explicit init to ensure the in-core allocbt usage + * counters are initialized as soon as possible. This is important + * because filesystems with large perag reservations are susceptible to + * free space reservation problems that the allocbt counter is used to + * address. + */ + if (has_resv) { + error2 = xfs_alloc_pagf_init(mp, tp, pag->pag_agno, 0); + if (error2) + return error2; + ASSERT(xfs_perag_resv(pag, XFS_AG_RESV_METADATA)->ar_reserved + + xfs_perag_resv(pag, XFS_AG_RESV_RMAPBT)->ar_reserved <= + pag->pagf_freeblks + pag->pagf_flcount); + } return error; } diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index aaa19101bb2a..82b7cbb1f24f 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -718,7 +718,6 @@ xfs_alloc_update_counters( agbp->b_pag->pagf_freeblks += len; be32_add_cpu(&agf->agf_freeblks, len); - xfs_trans_agblocks_delta(tp, len); if (unlikely(be32_to_cpu(agf->agf_freeblks) > be32_to_cpu(agf->agf_length))) { xfs_buf_mark_corrupt(agbp); @@ -2739,7 +2738,6 @@ xfs_alloc_get_freelist( pag = agbp->b_pag; ASSERT(!pag->pagf_agflreset); be32_add_cpu(&agf->agf_flcount, -1); - xfs_trans_agflist_delta(tp, -1); pag->pagf_flcount--; logflags = XFS_AGF_FLFIRST | XFS_AGF_FLCOUNT; @@ -2846,7 +2844,6 @@ xfs_alloc_put_freelist( pag = agbp->b_pag; ASSERT(!pag->pagf_agflreset); be32_add_cpu(&agf->agf_flcount, 1); - xfs_trans_agflist_delta(tp, 1); pag->pagf_flcount++; logflags = XFS_AGF_FLLAST | XFS_AGF_FLCOUNT; @@ -3036,6 +3033,7 @@ xfs_alloc_read_agf( struct xfs_agf *agf; /* ag freelist header */ struct xfs_perag *pag; /* per allocation group data */ int error; + int allocbt_blks; trace_xfs_alloc_read_agf(mp, agno); @@ -3066,6 +3064,19 @@ xfs_alloc_read_agf( pag->pagf_refcount_level = be32_to_cpu(agf->agf_refcount_level); pag->pagf_init = 1; pag->pagf_agflreset = xfs_agfl_needs_reset(mp, agf); + + /* + * Update the in-core allocbt counter. Filter out the rmapbt + * subset of the btreeblks counter because the rmapbt is managed + * by perag reservation. Subtract one for the rmapbt root block + * because the rmap counter includes it while the btreeblks + * counter only tracks non-root blocks. + */ + allocbt_blks = pag->pagf_btreeblks; + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + allocbt_blks -= be32_to_cpu(agf->agf_rmap_blocks) - 1; + if (allocbt_blks > 0) + atomic64_add(allocbt_blks, &mp->m_allocbt_blks); } #ifdef DEBUG else if (!XFS_FORCED_SHUTDOWN(mp)) { diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 8e01231b308e..a43e4c50e69b 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -71,9 +71,9 @@ xfs_allocbt_alloc_block( return 0; } + atomic64_inc(&cur->bc_mp->m_allocbt_blks); xfs_extent_busy_reuse(cur->bc_mp, cur->bc_ag.agno, bno, 1, false); - xfs_trans_agbtree_delta(cur->bc_tp, 1); new->s = cpu_to_be32(bno); *stat = 1; @@ -95,9 +95,9 @@ xfs_allocbt_free_block( if (error) return error; + atomic64_dec(&cur->bc_mp->m_allocbt_blks); xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1, XFS_EXTENT_BUSY_SKIP_DISCARD); - xfs_trans_agbtree_delta(cur->bc_tp, -1); return 0; } diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 8bd00da6d2a4..3e15ea29fb8d 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -368,10 +368,10 @@ static inline int xfs_ilog_fdata(int w) * directly mirrors the xfs_dinode structure as it must contain all the same * information. */ -typedef uint64_t xfs_ictimestamp_t; +typedef uint64_t xfs_log_timestamp_t; /* Legacy timestamp encoding format. */ -struct xfs_legacy_ictimestamp { +struct xfs_log_legacy_timestamp { int32_t t_sec; /* timestamp seconds */ int32_t t_nsec; /* timestamp nanoseconds */ }; @@ -393,9 +393,9 @@ struct xfs_log_dinode { uint16_t di_projid_hi; /* higher part of owner's project id */ uint8_t di_pad[6]; /* unused, zeroed space */ uint16_t di_flushiter; /* incremented on flush */ - xfs_ictimestamp_t di_atime; /* time last accessed */ - xfs_ictimestamp_t di_mtime; /* time last modified */ - xfs_ictimestamp_t di_ctime; /* time created/inode modified */ + xfs_log_timestamp_t di_atime; /* time last accessed */ + xfs_log_timestamp_t di_mtime; /* time last modified */ + xfs_log_timestamp_t di_ctime; /* time created/inode modified */ xfs_fsize_t di_size; /* number of bytes in file */ xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */ xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ @@ -420,7 +420,7 @@ struct xfs_log_dinode { uint8_t di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ - xfs_ictimestamp_t di_crtime; /* time created */ + xfs_log_timestamp_t di_crtime; /* time created */ xfs_ino_t di_ino; /* inode number */ uuid_t di_uuid; /* UUID of the filesystem */ diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index beb81c84a937..9f5bcbd834c3 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -103,7 +103,6 @@ xfs_rmapbt_alloc_block( xfs_extent_busy_reuse(cur->bc_mp, cur->bc_ag.agno, bno, 1, false); - xfs_trans_agbtree_delta(cur->bc_tp, 1); new->s = cpu_to_be32(bno); be32_add_cpu(&agf->agf_rmap_blocks, 1); xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_RMAP_BLOCKS); @@ -136,7 +135,6 @@ xfs_rmapbt_free_block( xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1, XFS_EXTENT_BUSY_SKIP_DISCARD); - xfs_trans_agbtree_delta(cur->bc_tp, -1); pag = cur->bc_ag.agbp->b_pag; xfs_ag_resv_free_extent(pag, XFS_AG_RESV_RMAPBT, NULL, 1); diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 60e6d255e5e2..dfbbcbd448c1 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -926,9 +926,19 @@ xfs_log_sb( struct xfs_mount *mp = tp->t_mountp; struct xfs_buf *bp = xfs_trans_getsb(tp); - mp->m_sb.sb_icount = percpu_counter_sum(&mp->m_icount); - mp->m_sb.sb_ifree = percpu_counter_sum(&mp->m_ifree); - mp->m_sb.sb_fdblocks = percpu_counter_sum(&mp->m_fdblocks); + /* + * Lazy sb counters don't update the in-core superblock so do that now. + * If this is at unmount, the counters will be exactly correct, but at + * any other time they will only be ballpark correct because of + * reservations that have been taken out percpu counters. If we have an + * unclean shutdown, this will be corrected by log recovery rebuilding + * the counters from the AGF block counts. + */ + if (xfs_sb_version_haslazysbcount(&mp->m_sb)) { + mp->m_sb.sb_icount = percpu_counter_sum(&mp->m_icount); + mp->m_sb.sb_ifree = percpu_counter_sum(&mp->m_ifree); + mp->m_sb.sb_fdblocks = percpu_counter_sum(&mp->m_fdblocks); + } xfs_sb_to_disk(bp->b_addr, &mp->m_sb); xfs_trans_buf_set_type(tp, bp, XFS_BLFT_SB_BUF); diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c index 749faa17f8e2..7a2f9b5f2db5 100644 --- a/fs/xfs/scrub/agheader.c +++ b/fs/xfs/scrub/agheader.c @@ -416,6 +416,10 @@ xchk_agf_xref_btreeblks( xfs_agblock_t btreeblks; int error; + /* agf_btreeblks didn't exist before lazysbcount */ + if (!xfs_sb_version_haslazysbcount(&sc->mp->m_sb)) + return; + /* Check agf_rmap_blocks; set up for agf_btreeblks check */ if (sc->sa.rmap_cur) { error = xfs_btree_count_blocks(sc->sa.rmap_cur, &blocks); @@ -581,7 +585,8 @@ xchk_agf( xchk_block_set_corrupt(sc, sc->sa.agf_bp); if (pag->pagf_flcount != be32_to_cpu(agf->agf_flcount)) xchk_block_set_corrupt(sc, sc->sa.agf_bp); - if (pag->pagf_btreeblks != be32_to_cpu(agf->agf_btreeblks)) + if (xfs_sb_version_haslazysbcount(&sc->mp->m_sb) && + pag->pagf_btreeblks != be32_to_cpu(agf->agf_btreeblks)) xchk_block_set_corrupt(sc, sc->sa.agf_bp); xfs_perag_put(pag); diff --git a/fs/xfs/scrub/fscounters.c b/fs/xfs/scrub/fscounters.c index 7b4386c78fbf..f1d1a8c58853 100644 --- a/fs/xfs/scrub/fscounters.c +++ b/fs/xfs/scrub/fscounters.c @@ -13,6 +13,7 @@ #include "xfs_alloc.h" #include "xfs_ialloc.h" #include "xfs_health.h" +#include "xfs_btree.h" #include "scrub/scrub.h" #include "scrub/common.h" #include "scrub/trace.h" @@ -143,6 +144,35 @@ xchk_setup_fscounters( return xchk_trans_alloc(sc, 0); } +/* Count free space btree blocks manually for pre-lazysbcount filesystems. */ +static int +xchk_fscount_btreeblks( + struct xfs_scrub *sc, + struct xchk_fscounters *fsc, + xfs_agnumber_t agno) +{ + xfs_extlen_t blocks; + int error; + + error = xchk_ag_init(sc, agno, &sc->sa); + if (error) + return error; + + error = xfs_btree_count_blocks(sc->sa.bno_cur, &blocks); + if (error) + goto out_free; + fsc->fdblocks += blocks - 1; + + error = xfs_btree_count_blocks(sc->sa.cnt_cur, &blocks); + if (error) + goto out_free; + fsc->fdblocks += blocks - 1; + +out_free: + xchk_ag_free(sc, &sc->sa); + return error; +} + /* * Calculate what the global in-core counters ought to be from the incore * per-AG structure. Callers can compare this to the actual in-core counters @@ -182,7 +212,15 @@ retry: /* Add up the free/freelist/bnobt/cntbt blocks */ fsc->fdblocks += pag->pagf_freeblks; fsc->fdblocks += pag->pagf_flcount; - fsc->fdblocks += pag->pagf_btreeblks; + if (xfs_sb_version_haslazysbcount(&sc->mp->m_sb)) { + fsc->fdblocks += pag->pagf_btreeblks; + } else { + error = xchk_fscount_btreeblks(sc, fsc, agno); + if (error) { + xfs_perag_put(pag); + break; + } + } /* * Per-AG reservations are taken out of the incore counters, diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 9b08db45ce85..826caa6b4a5a 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -146,7 +146,7 @@ xfs_end_io( while ((ioend = list_first_entry_or_null(&tmp, struct iomap_ioend, io_list))) { list_del_init(&ioend->io_list); - iomap_ioend_try_merge(ioend, &tmp, NULL); + iomap_ioend_try_merge(ioend, &tmp); xfs_end_ioend(ioend); } } diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index b33c894b6cf3..be9cf88d2ad7 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -69,8 +69,6 @@ xfs_resizefs_init_new_ags( if (error) return error; - xfs_trans_agblocks_delta(tp, id->nfree); - if (delta) { *lastag_extended = true; error = xfs_ag_extend_space(mp, tp, id, delta); diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index c1b32680f71c..6764d12342da 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -299,18 +299,18 @@ xfs_inode_item_format_attr_fork( * Convert an incore timestamp to a log timestamp. Note that the log format * specifies host endian format! */ -static inline xfs_ictimestamp_t +static inline xfs_log_timestamp_t xfs_inode_to_log_dinode_ts( struct xfs_inode *ip, const struct timespec64 tv) { - struct xfs_legacy_ictimestamp *lits; - xfs_ictimestamp_t its; + struct xfs_log_legacy_timestamp *lits; + xfs_log_timestamp_t its; if (xfs_inode_has_bigtime(ip)) return xfs_inode_encode_bigtime(tv); - lits = (struct xfs_legacy_ictimestamp *)&its; + lits = (struct xfs_log_legacy_timestamp *)&its; lits->t_sec = tv.tv_sec; lits->t_nsec = tv.tv_nsec; diff --git a/fs/xfs/xfs_inode_item_recover.c b/fs/xfs/xfs_inode_item_recover.c index cb44f7653f03..7b79518b6c20 100644 --- a/fs/xfs/xfs_inode_item_recover.c +++ b/fs/xfs/xfs_inode_item_recover.c @@ -125,17 +125,17 @@ static inline bool xfs_log_dinode_has_bigtime(const struct xfs_log_dinode *ld) static inline xfs_timestamp_t xfs_log_dinode_to_disk_ts( struct xfs_log_dinode *from, - const xfs_ictimestamp_t its) + const xfs_log_timestamp_t its) { struct xfs_legacy_timestamp *lts; - struct xfs_legacy_ictimestamp *lits; + struct xfs_log_legacy_timestamp *lits; xfs_timestamp_t ts; if (xfs_log_dinode_has_bigtime(from)) return cpu_to_be64(its); lts = (struct xfs_legacy_timestamp *)&ts; - lits = (struct xfs_legacy_ictimestamp *)&its; + lits = (struct xfs_log_legacy_timestamp *)&its; lts->t_sec = cpu_to_be32(lits->t_sec); lts->t_nsec = cpu_to_be32(lits->t_nsec); diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 06041834daa3..c19a82adea1e 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -355,13 +355,15 @@ xfs_log_writable( struct xfs_mount *mp) { /* - * Never write to the log on norecovery mounts, if the block device is - * read-only, or if the filesystem is shutdown. Read-only mounts still - * allow internal writes for log recovery and unmount purposes, so don't - * restrict that case here. + * Do not write to the log on norecovery mounts, if the data or log + * devices are read-only, or if the filesystem is shutdown. Read-only + * mounts allow internal writes for log recovery and unmount purposes, + * so don't restrict that case. */ if (mp->m_flags & XFS_MOUNT_NORECOVERY) return false; + if (xfs_readonly_buftarg(mp->m_ddev_targp)) + return false; if (xfs_readonly_buftarg(mp->m_log->l_targ)) return false; if (XFS_FORCED_SHUTDOWN(mp)) diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index cb1e2c4702c3..bdfee1943796 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1188,6 +1188,7 @@ xfs_mod_fdblocks( int64_t lcounter; long long res_used; s32 batch; + uint64_t set_aside; if (delta > 0) { /* @@ -1227,8 +1228,20 @@ xfs_mod_fdblocks( else batch = XFS_FDBLOCKS_BATCH; + /* + * Set aside allocbt blocks because these blocks are tracked as free + * space but not available for allocation. Technically this means that a + * single reservation cannot consume all remaining free space, but the + * ratio of allocbt blocks to usable free blocks should be rather small. + * The tradeoff without this is that filesystems that maintain high + * perag block reservations can over reserve physical block availability + * and fail physical allocation, which leads to much more serious + * problems (i.e. transaction abort, pagecache discards, etc.) than + * slightly premature -ENOSPC. + */ + set_aside = mp->m_alloc_set_aside + atomic64_read(&mp->m_allocbt_blks); percpu_counter_add_batch(&mp->m_fdblocks, delta, batch); - if (__percpu_counter_compare(&mp->m_fdblocks, mp->m_alloc_set_aside, + if (__percpu_counter_compare(&mp->m_fdblocks, set_aside, XFS_FDBLOCKS_BATCH) >= 0) { /* we had space! */ return 0; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 81829d19596e..bb67274ee23f 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -170,6 +170,12 @@ typedef struct xfs_mount { * extents or anything related to the rt device. */ struct percpu_counter m_delalloc_blks; + /* + * Global count of allocation btree blocks in use across all AGs. Only + * used when perag reservation is enabled. Helps prevent block + * reservation from attempting to reserve allocation btree blocks. + */ + atomic64_t m_allocbt_blks; struct radix_tree_root m_perag_tree; /* per-ag accounting info */ spinlock_t m_perag_lock; /* lock for m_perag_tree */ diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 0aa87c210104..25991923c1a8 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -126,8 +126,8 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(struct xfs_extent_64, 16); XFS_CHECK_STRUCT_SIZE(struct xfs_log_dinode, 176); XFS_CHECK_STRUCT_SIZE(struct xfs_icreate_log, 28); - XFS_CHECK_STRUCT_SIZE(xfs_ictimestamp_t, 8); - XFS_CHECK_STRUCT_SIZE(struct xfs_legacy_ictimestamp, 8); + XFS_CHECK_STRUCT_SIZE(xfs_log_timestamp_t, 8); + XFS_CHECK_STRUCT_SIZE(struct xfs_log_legacy_timestamp, 8); XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format_32, 52); XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format, 56); XFS_CHECK_STRUCT_SIZE(struct xfs_qoff_logformat, 20); diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 4dd4af6ac2ef..060695d6d56a 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1522,7 +1522,8 @@ xfs_reflink_unshare( if (error) goto out; - error = filemap_write_and_wait_range(inode->i_mapping, offset, len); + error = filemap_write_and_wait_range(inode->i_mapping, offset, + offset + len - 1); if (error) goto out; diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index bcc978011869..586f2992b789 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -488,13 +488,6 @@ xfs_trans_apply_sb_deltas( sbp = bp->b_addr; /* - * Check that superblock mods match the mods made to AGF counters. - */ - ASSERT((tp->t_fdblocks_delta + tp->t_res_fdblocks_delta) == - (tp->t_ag_freeblks_delta + tp->t_ag_flist_delta + - tp->t_ag_btree_delta)); - - /* * Only update the superblock counters if we are logging them */ if (!xfs_sb_version_haslazysbcount(&(tp->t_mountp->m_sb))) { @@ -629,6 +622,9 @@ xfs_trans_unreserve_and_mod_sb( /* apply remaining deltas */ spin_lock(&mp->m_sb_lock); + mp->m_sb.sb_fdblocks += tp->t_fdblocks_delta + tp->t_res_fdblocks_delta; + mp->m_sb.sb_icount += idelta; + mp->m_sb.sb_ifree += ifreedelta; mp->m_sb.sb_frextents += rtxdelta; mp->m_sb.sb_dblocks += tp->t_dblocks_delta; mp->m_sb.sb_agcount += tp->t_agcount_delta; diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 9dd745cf77c9..ee42d98d9011 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -140,11 +140,6 @@ typedef struct xfs_trans { int64_t t_res_fdblocks_delta; /* on-disk only chg */ int64_t t_frextents_delta;/* superblock freextents chg*/ int64_t t_res_frextents_delta; /* on-disk only chg */ -#if defined(DEBUG) || defined(XFS_WARN) - int64_t t_ag_freeblks_delta; /* debugging counter */ - int64_t t_ag_flist_delta; /* debugging counter */ - int64_t t_ag_btree_delta; /* debugging counter */ -#endif int64_t t_dblocks_delta;/* superblock dblocks change */ int64_t t_agcount_delta;/* superblock agcount change */ int64_t t_imaxpct_delta;/* superblock imaxpct change */ @@ -165,16 +160,6 @@ typedef struct xfs_trans { */ #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) -#if defined(DEBUG) || defined(XFS_WARN) -#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d) -#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d) -#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d) -#else -#define xfs_trans_agblocks_delta(tp, d) -#define xfs_trans_agflist_delta(tp, d) -#define xfs_trans_agbtree_delta(tp, d) -#endif - /* * XFS transaction mechanism exported interfaces. */ diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h index 9fdf21302fdf..0d132ee2a291 100644 --- a/include/asm-generic/bitops/find.h +++ b/include/asm-generic/bitops/find.h @@ -2,6 +2,13 @@ #ifndef _ASM_GENERIC_BITOPS_FIND_H_ #define _ASM_GENERIC_BITOPS_FIND_H_ +extern unsigned long _find_next_bit(const unsigned long *addr1, + const unsigned long *addr2, unsigned long nbits, + unsigned long start, unsigned long invert, unsigned long le); +extern unsigned long _find_first_bit(const unsigned long *addr, unsigned long size); +extern unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size); +extern unsigned long _find_last_bit(const unsigned long *addr, unsigned long size); + #ifndef find_next_bit /** * find_next_bit - find the next set bit in a memory region @@ -12,8 +19,22 @@ * Returns the bit number for the next set bit * If no bits are set, returns @size. */ -extern unsigned long find_next_bit(const unsigned long *addr, unsigned long - size, unsigned long offset); +static inline +unsigned long find_next_bit(const unsigned long *addr, unsigned long size, + unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val; + + if (unlikely(offset >= size)) + return size; + + val = *addr & GENMASK(size - 1, offset); + return val ? __ffs(val) : size; + } + + return _find_next_bit(addr, NULL, size, offset, 0UL, 0); +} #endif #ifndef find_next_and_bit @@ -27,9 +48,23 @@ extern unsigned long find_next_bit(const unsigned long *addr, unsigned long * Returns the bit number for the next set bit * If no bits are set, returns @size. */ -extern unsigned long find_next_and_bit(const unsigned long *addr1, +static inline +unsigned long find_next_and_bit(const unsigned long *addr1, const unsigned long *addr2, unsigned long size, - unsigned long offset); + unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val; + + if (unlikely(offset >= size)) + return size; + + val = *addr1 & *addr2 & GENMASK(size - 1, offset); + return val ? __ffs(val) : size; + } + + return _find_next_bit(addr1, addr2, size, offset, 0UL, 0); +} #endif #ifndef find_next_zero_bit @@ -42,8 +77,22 @@ extern unsigned long find_next_and_bit(const unsigned long *addr1, * Returns the bit number of the next zero bit * If no bits are zero, returns @size. */ -extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned - long size, unsigned long offset); +static inline +unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, + unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val; + + if (unlikely(offset >= size)) + return size; + + val = *addr | ~GENMASK(size - 1, offset); + return val == ~0UL ? size : ffz(val); + } + + return _find_next_bit(addr, NULL, size, offset, ~0UL, 0); +} #endif #ifdef CONFIG_GENERIC_FIND_FIRST_BIT @@ -56,8 +105,17 @@ extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned * Returns the bit number of the first set bit. * If no bits are set, returns @size. */ -extern unsigned long find_first_bit(const unsigned long *addr, - unsigned long size); +static inline +unsigned long find_first_bit(const unsigned long *addr, unsigned long size) +{ + if (small_const_nbits(size)) { + unsigned long val = *addr & GENMASK(size - 1, 0); + + return val ? __ffs(val) : size; + } + + return _find_first_bit(addr, size); +} /** * find_first_zero_bit - find the first cleared bit in a memory region @@ -67,8 +125,17 @@ extern unsigned long find_first_bit(const unsigned long *addr, * Returns the bit number of the first cleared bit. * If no bits are zero, returns @size. */ -extern unsigned long find_first_zero_bit(const unsigned long *addr, - unsigned long size); +static inline +unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) +{ + if (small_const_nbits(size)) { + unsigned long val = *addr | ~GENMASK(size - 1, 0); + + return val == ~0UL ? size : ffz(val); + } + + return _find_first_zero_bit(addr, size); +} #else /* CONFIG_GENERIC_FIND_FIRST_BIT */ #ifndef find_first_bit @@ -80,6 +147,27 @@ extern unsigned long find_first_zero_bit(const unsigned long *addr, #endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ +#ifndef find_last_bit +/** + * find_last_bit - find the last set bit in a memory region + * @addr: The address to start the search at + * @size: The number of bits to search + * + * Returns the bit number of the last set bit, or size. + */ +static inline +unsigned long find_last_bit(const unsigned long *addr, unsigned long size) +{ + if (small_const_nbits(size)) { + unsigned long val = *addr & GENMASK(size - 1, 0); + + return val ? __fls(val) : size; + } + + return _find_last_bit(addr, size); +} +#endif + /** * find_next_clump8 - find next 8-bit clump with set bits in a memory region * @clump: location to store copy of found clump diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h index 188d3eba3ace..5a28629cbf4d 100644 --- a/include/asm-generic/bitops/le.h +++ b/include/asm-generic/bitops/le.h @@ -2,8 +2,10 @@ #ifndef _ASM_GENERIC_BITOPS_LE_H_ #define _ASM_GENERIC_BITOPS_LE_H_ +#include <asm-generic/bitops/find.h> #include <asm/types.h> #include <asm/byteorder.h> +#include <linux/swab.h> #if defined(__LITTLE_ENDIAN) @@ -32,13 +34,41 @@ static inline unsigned long find_first_zero_bit_le(const void *addr, #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) #ifndef find_next_zero_bit_le -extern unsigned long find_next_zero_bit_le(const void *addr, - unsigned long size, unsigned long offset); +static inline +unsigned long find_next_zero_bit_le(const void *addr, unsigned + long size, unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val = *(const unsigned long *)addr; + + if (unlikely(offset >= size)) + return size; + + val = swab(val) | ~GENMASK(size - 1, offset); + return val == ~0UL ? size : ffz(val); + } + + return _find_next_bit(addr, NULL, size, offset, ~0UL, 1); +} #endif #ifndef find_next_bit_le -extern unsigned long find_next_bit_le(const void *addr, - unsigned long size, unsigned long offset); +static inline +unsigned long find_next_bit_le(const void *addr, unsigned + long size, unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val = *(const unsigned long *)addr; + + if (unlikely(offset >= size)) + return size; + + val = swab(val) & GENMASK(size - 1, offset); + return val ? __ffs(val) : size; + } + + return _find_next_bit(addr, NULL, size, offset, 0UL, 1); +} #endif #ifndef find_first_zero_bit_le diff --git a/include/asm-generic/bitsperlong.h b/include/asm-generic/bitsperlong.h index 3905c1c93dc2..1023e2a4bd37 100644 --- a/include/asm-generic/bitsperlong.h +++ b/include/asm-generic/bitsperlong.h @@ -23,4 +23,16 @@ #define BITS_PER_LONG_LONG 64 #endif +/* + * small_const_nbits(n) is true precisely when it is known at compile-time + * that BITMAP_SIZE(n) is 1, i.e. 1 <= n <= BITS_PER_LONG. This allows + * various bit/bitmap APIs to provide a fast inline implementation. Bitmaps + * of size 0 are very rare, and a compile-time-known-size 0 is most likely + * a sign of error. They will be handled correctly by the bit/bitmap APIs, + * but using the out-of-line functions, so that the inline implementations + * can unconditionally dereference the pointer(s). + */ +#define small_const_nbits(nbits) \ + (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0) + #endif /* __ASM_GENERIC_BITS_PER_LONG */ diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 76d456c516a1..e93375c710b9 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -1064,17 +1064,6 @@ static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) #endif #endif /* CONFIG_GENERIC_IOMAP */ -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#ifndef xlate_dev_kmem_ptr -#define xlate_dev_kmem_ptr xlate_dev_kmem_ptr -static inline void *xlate_dev_kmem_ptr(void *addr) -{ - return addr; -} -#endif - #ifndef xlate_dev_mem_ptr #define xlate_dev_mem_ptr xlate_dev_mem_ptr static inline void *xlate_dev_mem_ptr(phys_addr_t addr) diff --git a/include/dt-bindings/input/atmel-maxtouch.h b/include/dt-bindings/input/atmel-maxtouch.h new file mode 100644 index 000000000000..7345ab32224d --- /dev/null +++ b/include/dt-bindings/input/atmel-maxtouch.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef _DT_BINDINGS_ATMEL_MAXTOUCH_H +#define _DT_BINDINGS_ATMEL_MAXTOUCH_H + +#define ATMEL_MXT_WAKEUP_NONE 0 +#define ATMEL_MXT_WAKEUP_I2C_SCL 1 +#define ATMEL_MXT_WAKEUP_GPIO 2 + +#endif /* _DT_BINDINGS_ATMEL_MAXTOUCH_H */ diff --git a/include/linux/align.h b/include/linux/align.h new file mode 100644 index 000000000000..2b4acec7b95a --- /dev/null +++ b/include/linux/align.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_ALIGN_H +#define _LINUX_ALIGN_H + +#include <linux/const.h> + +/* @a is a power of 2 value */ +#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) +#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) +#define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask)) +#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a))) +#define PTR_ALIGN_DOWN(p, a) ((typeof(p))ALIGN_DOWN((unsigned long)(p), (a))) +#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) + +#endif /* _LINUX_ALIGN_H */ diff --git a/include/linux/async.h b/include/linux/async.h index 0a17cd27f348..cce4ad31e8fc 100644 --- a/include/linux/async.h +++ b/include/linux/async.h @@ -112,7 +112,6 @@ async_schedule_dev_domain(async_func_t func, struct device *dev, return async_schedule_node_domain(func, dev, dev_to_node(dev), domain); } -void async_unregister_domain(struct async_domain *domain); extern void async_synchronize_full(void); extern void async_synchronize_full_domain(struct async_domain *domain); extern void async_synchronize_cookie(async_cookie_t cookie); diff --git a/include/linux/bio.h b/include/linux/bio.h index a0b4cfdf62a4..f1a99f0a240c 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -106,6 +106,8 @@ static inline void *bio_data(struct bio *bio) return NULL; } +extern unsigned int bio_max_size(struct bio *bio); + /** * bio_full - check if the bio is full * @bio: bio to check @@ -119,7 +121,7 @@ static inline bool bio_full(struct bio *bio, unsigned len) if (bio->bi_vcnt >= bio->bi_max_vecs) return true; - if (bio->bi_iter.bi_size > UINT_MAX - len) + if (bio->bi_iter.bi_size > bio_max_size(bio) - len) return true; return false; diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 73d039476fa4..a36cfcec4e77 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -4,8 +4,9 @@ #ifndef __ASSEMBLY__ +#include <linux/align.h> #include <linux/bitops.h> -#include <linux/kernel.h> +#include <linux/limits.h> #include <linux/string.h> #include <linux/types.h> @@ -229,14 +230,6 @@ int bitmap_print_to_pagebuf(bool list, char *buf, #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) -/* - * The static inlines below do not handle constant nbits==0 correctly, - * so make such users (should any ever turn up) call the out-of-line - * versions. - */ -#define small_const_nbits(nbits) \ - (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0) - static inline void bitmap_zero(unsigned long *dst, unsigned int nbits) { unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); diff --git a/include/linux/bitops.h b/include/linux/bitops.h index a5a48303b0f1..26bf15e6cd35 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -286,17 +286,5 @@ static __always_inline void __assign_bit(long nr, volatile unsigned long *addr, }) #endif -#ifndef find_last_bit -/** - * find_last_bit - find the last set bit in a memory region - * @addr: The address to start the search at - * @size: The number of bits to search - * - * Returns the bit number of the last set bit, or size. - */ -extern unsigned long find_last_bit(const unsigned long *addr, - unsigned long size); -#endif - #endif /* __KERNEL__ */ #endif diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 3bd3ee651143..359486940fa0 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -313,12 +313,12 @@ struct blk_mq_ops { */ void (*put_budget)(struct request_queue *, int); - /* - * @set_rq_budget_toekn: store rq's budget token + /** + * @set_rq_budget_token: store rq's budget token */ void (*set_rq_budget_token)(struct request *, int); - /* - * @get_rq_budget_toekn: retrieve rq's budget token + /** + * @get_rq_budget_token: retrieve rq's budget token */ int (*get_rq_budget_token)(struct request *); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index b91ba6207365..9fb255b48a57 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -11,7 +11,6 @@ #include <linux/minmax.h> #include <linux/timer.h> #include <linux/workqueue.h> -#include <linux/pagemap.h> #include <linux/backing-dev-defs.h> #include <linux/wait.h> #include <linux/mempool.h> @@ -327,6 +326,8 @@ enum blk_bounce { }; struct queue_limits { + unsigned int bio_max_bytes; + enum blk_bounce bounce; unsigned long seg_boundary_mask; unsigned long virt_boundary_mask; diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 6023a1367853..06841517ab1e 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -302,10 +302,11 @@ struct bpf_verifier_state_list { }; /* Possible states for alu_state member. */ -#define BPF_ALU_SANITIZE_SRC 1U -#define BPF_ALU_SANITIZE_DST 2U +#define BPF_ALU_SANITIZE_SRC (1U << 0) +#define BPF_ALU_SANITIZE_DST (1U << 1) #define BPF_ALU_NEG_VALUE (1U << 2) #define BPF_ALU_NON_POINTER (1U << 3) +#define BPF_ALU_IMMEDIATE (1U << 4) #define BPF_ALU_SANITIZE (BPF_ALU_SANITIZE_SRC | \ BPF_ALU_SANITIZE_DST) diff --git a/include/linux/compat.h b/include/linux/compat.h index acac0b571df1..98dd7b324c35 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -75,7 +75,6 @@ __diag_push(); \ __diag_ignore(GCC, 8, "-Wattribute-alias", \ "Type aliasing is used to sanitize syscall arguments");\ - asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ __attribute__((alias(__stringify(__se_compat_sys##name)))); \ ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \ diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 2e8c69b43c64..97cfd13bae51 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -1,7 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * +/* * configfs.h - definitions for the device driver filesystem * * Based on sysfs: diff --git a/include/linux/crc8.h b/include/linux/crc8.h index 13c8dabb0441..674045c59a04 100644 --- a/include/linux/crc8.h +++ b/include/linux/crc8.h @@ -96,6 +96,6 @@ void crc8_populate_msb(u8 table[CRC8_TABLE_SIZE], u8 polynomial); * Williams, Ross N., ross<at>ross.net * (see URL http://www.ross.net/crc/download/crc_v3.txt). */ -u8 crc8(const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes, u8 crc); +u8 crc8(const u8 table[CRC8_TABLE_SIZE], const u8 *pdata, size_t nbytes, u8 crc); #endif /* __CRC8_H_ */ diff --git a/include/linux/cred.h b/include/linux/cred.h index ac0e5f97d7d8..14971322e1a0 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -53,7 +53,6 @@ do { \ groups_free(group_info); \ } while (0) -extern struct group_info init_groups; #ifdef CONFIG_MULTIUSER extern struct group_info *groups_alloc(int); extern void groups_free(struct group_info *); diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h index 2d3bdcccf5eb..21651f946751 100644 --- a/include/linux/delayacct.h +++ b/include/linux/delayacct.h @@ -82,16 +82,16 @@ static inline int delayacct_is_task_waiting_on_io(struct task_struct *p) return 0; } -static inline void delayacct_set_flag(int flag) +static inline void delayacct_set_flag(struct task_struct *p, int flag) { - if (current->delays) - current->delays->flags |= flag; + if (p->delays) + p->delays->flags |= flag; } -static inline void delayacct_clear_flag(int flag) +static inline void delayacct_clear_flag(struct task_struct *p, int flag) { - if (current->delays) - current->delays->flags &= ~flag; + if (p->delays) + p->delays->flags &= ~flag; } static inline void delayacct_tsk_init(struct task_struct *tsk) @@ -114,7 +114,7 @@ static inline void delayacct_tsk_free(struct task_struct *tsk) static inline void delayacct_blkio_start(void) { - delayacct_set_flag(DELAYACCT_PF_BLKIO); + delayacct_set_flag(current, DELAYACCT_PF_BLKIO); if (current->delays) __delayacct_blkio_start(); } @@ -123,7 +123,7 @@ static inline void delayacct_blkio_end(struct task_struct *p) { if (p->delays) __delayacct_blkio_end(p); - delayacct_clear_flag(DELAYACCT_PF_BLKIO); + delayacct_clear_flag(p, DELAYACCT_PF_BLKIO); } static inline int delayacct_add_tsk(struct taskstats *d, @@ -166,9 +166,9 @@ static inline void delayacct_thrashing_end(void) } #else -static inline void delayacct_set_flag(int flag) +static inline void delayacct_set_flag(struct task_struct *p, int flag) {} -static inline void delayacct_clear_flag(int flag) +static inline void delayacct_clear_flag(struct task_struct *p, int flag) {} static inline void delayacct_init(void) {} diff --git a/include/linux/fs.h b/include/linux/fs.h index acef282b97c6..c3c88fdb9b2a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -145,7 +145,7 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, /* Expect random access pattern */ #define FMODE_RANDOM ((__force fmode_t)0x1000) -/* File is huge (eg. /dev/kmem): treat loff_t as unsigned */ +/* File is huge (eg. /dev/mem): treat loff_t as unsigned */ #define FMODE_UNSIGNED_OFFSET ((__force fmode_t)0x2000) /* File is opened with O_PATH; almost nothing can be done with it */ diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h index 6cb82301d8e9..939b1a8f571b 100644 --- a/include/linux/genl_magic_func.h +++ b/include/linux/genl_magic_func.h @@ -404,4 +404,3 @@ s_fields \ /* }}}1 */ #endif /* GENL_MAGIC_FUNC_H */ -/* vim: set foldmethod=marker foldlevel=1 nofoldenable : */ diff --git a/include/linux/genl_magic_struct.h b/include/linux/genl_magic_struct.h index 35d21fddaf2d..f81d48987528 100644 --- a/include/linux/genl_magic_struct.h +++ b/include/linux/genl_magic_struct.h @@ -283,4 +283,3 @@ enum { \ /* }}}1 */ #endif /* GENL_MAGIC_STRUCT_H */ -/* vim: set foldmethod=marker nofoldenable : */ diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 8a5f6c3d7dba..11da8af06704 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -490,7 +490,7 @@ static inline int gfp_zonelist(gfp_t flags) /* * We get the zone list from the current node and the gfp_mask. - * This zone list contains a maximum of MAXNODES*MAX_NR_ZONES zones. + * This zone list contains a maximum of MAX_NUMNODES*MAX_NR_ZONES zones. * There are two zonelists per node, one for all zones with memory and * one containing just zones from the node the zonelist belongs to. * diff --git a/include/linux/init_task.h b/include/linux/init_task.h index b2412b4d4c20..40fc5813cf93 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -25,7 +25,6 @@ extern struct files_struct init_files; extern struct fs_struct init_fs; extern struct nsproxy init_nsproxy; -extern struct group_info init_groups; extern struct cred init_cred; #ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE diff --git a/include/linux/initrd.h b/include/linux/initrd.h index 85c15717af34..1bbe9af48dc3 100644 --- a/include/linux/initrd.h +++ b/include/linux/initrd.h @@ -20,8 +20,10 @@ extern void free_initrd_mem(unsigned long, unsigned long); #ifdef CONFIG_BLK_DEV_INITRD extern void __init reserve_initrd_mem(void); +extern void wait_for_initramfs(void); #else static inline void __init reserve_initrd_mem(void) {} +static inline void wait_for_initramfs(void) {} #endif extern phys_addr_t phys_initrd_start; diff --git a/include/linux/iomap.h b/include/linux/iomap.h index d202fd2d0f91..c87d0cb0de6d 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -198,7 +198,6 @@ struct iomap_ioend { struct inode *io_inode; /* file being written to */ size_t io_size; /* size of the extent */ loff_t io_offset; /* offset in the file */ - void *io_private; /* file system private data */ struct bio *io_bio; /* bio being built */ struct bio io_inline_bio; /* MUST BE LAST! */ }; @@ -234,9 +233,7 @@ struct iomap_writepage_ctx { void iomap_finish_ioends(struct iomap_ioend *ioend, int error); void iomap_ioend_try_merge(struct iomap_ioend *ioend, - struct list_head *more_ioends, - void (*merge_private)(struct iomap_ioend *ioend, - struct iomap_ioend *next)); + struct list_head *more_ioends); void iomap_sort_ioends(struct list_head *ioend_list); int iomap_writepage(struct page *page, struct writeback_control *wbc, struct iomap_writepage_ctx *wpc, diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h index 24a59cb06963..cc8fa109cfa3 100644 --- a/include/linux/kconfig.h +++ b/include/linux/kconfig.h @@ -70,10 +70,4 @@ */ #define IS_ENABLED(option) __or(IS_BUILTIN(option), IS_MODULE(option)) -/* - * IF_ENABLED(CONFIG_FOO, ptr) evaluates to (ptr) if CONFIG_FOO is set to 'y' - * or 'm', NULL otherwise. - */ -#define IF_ENABLED(option, ptr) (IS_ENABLED(option) ? (ptr) : NULL) - #endif /* __LINUX_KCONFIG_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 5b7ed6dc99ac..15d8bad3d2f2 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -3,6 +3,7 @@ #define _LINUX_KERNEL_H #include <stdarg.h> +#include <linux/align.h> #include <linux/limits.h> #include <linux/linkage.h> #include <linux/stddef.h> @@ -30,14 +31,6 @@ */ #define REPEAT_BYTE(x) ((~0ul / 0xff) * (x)) -/* @a is a power of 2 value */ -#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) -#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) -#define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask)) -#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a))) -#define PTR_ALIGN_DOWN(p, a) ((typeof(p))ALIGN_DOWN((unsigned long)(p), (a))) -#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) - /* generic data direction definitions */ #define READ 0 #define WRITE 1 @@ -48,6 +41,8 @@ */ #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) +#define PTR_IF(cond, ptr) ((cond) ? (ptr) : NULL) + #define u64_to_user_ptr(x) ( \ { \ typecheck(u64, (x)); \ diff --git a/include/linux/mm.h b/include/linux/mm.h index 76e27ebb28a3..322ec61d0da7 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -106,7 +106,7 @@ extern int mmap_rnd_compat_bits __read_mostly; * embedding these tags into addresses that point to these memory regions, and * checking that the memory and the pointer tags match on memory accesses) * redefine this macro to strip tags from pointers. - * It's defined as noop for arcitectures that don't support memory tagging. + * It's defined as noop for architectures that don't support memory tagging. */ #ifndef untagged_addr #define untagged_addr(addr) (addr) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 917bd6c604d5..0d53eba1c383 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -55,7 +55,7 @@ enum migratetype { * pageblocks to MIGRATE_CMA which can be done by * __free_pageblock_cma() function. What is important though * is that a range of pageblocks must be aligned to - * MAX_ORDER_NR_PAGES should biggest page be bigger then + * MAX_ORDER_NR_PAGES should biggest page be bigger than * a single pageblock. */ MIGRATE_CMA, diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h index 2aab9612f6ab..4f9a4b3c5892 100644 --- a/include/linux/netfilter_arp/arp_tables.h +++ b/include/linux/netfilter_arp/arp_tables.h @@ -53,8 +53,7 @@ int arpt_register_table(struct net *net, const struct xt_table *table, const struct arpt_replace *repl, const struct nf_hook_ops *ops); void arpt_unregister_table(struct net *net, const char *name); -void arpt_unregister_table_pre_exit(struct net *net, const char *name, - const struct nf_hook_ops *ops); +void arpt_unregister_table_pre_exit(struct net *net, const char *name); extern unsigned int arpt_do_table(struct sk_buff *skb, const struct nf_hook_state *state, struct xt_table *table); diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 5b4c67c91f56..15004c469807 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -452,6 +452,7 @@ enum lock_type4 { #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) #define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) +#define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15) #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) #define FATTR4_WORD2_MODE_UMASK (1UL << 17) #define FATTR4_WORD2_XATTR_SUPPORT (1UL << 18) @@ -709,6 +710,14 @@ struct nl4_server { } u; }; +enum nfs4_change_attr_type { + NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0, + NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1, + NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2, + NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3, + NFS4_CHANGE_TYPE_IS_UNDEFINED = 4, +}; + /* * Options for setxattr. These match the flags for setxattr(2). */ diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index eadaabd18dc7..ffba254d2098 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -246,11 +246,15 @@ struct nfs4_copy_state { BIT(13) /* Deferred cache invalidation */ #define NFS_INO_INVALID_BLOCKS BIT(14) /* cached blocks are invalid */ #define NFS_INO_INVALID_XATTR BIT(15) /* xattrs are invalid */ +#define NFS_INO_INVALID_NLINK BIT(16) /* cached nlinks is invalid */ +#define NFS_INO_INVALID_MODE BIT(17) /* cached mode is invalid */ #define NFS_INO_INVALID_ATTR (NFS_INO_INVALID_CHANGE \ | NFS_INO_INVALID_CTIME \ | NFS_INO_INVALID_MTIME \ | NFS_INO_INVALID_SIZE \ + | NFS_INO_INVALID_NLINK \ + | NFS_INO_INVALID_MODE \ | NFS_INO_INVALID_OTHER) /* inode metadata is invalid */ /* @@ -386,7 +390,7 @@ extern void nfs_access_set_mask(struct nfs_access_entry *, u32); extern int nfs_permission(struct user_namespace *, struct inode *, int); extern int nfs_open(struct inode *, struct file *); extern int nfs_attribute_cache_expired(struct inode *inode); -extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode); +extern int nfs_revalidate_inode(struct inode *inode, unsigned long flags); extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *); extern int nfs_clear_invalid_mapping(struct address_space *mapping); extern bool nfs_mapping_need_revalidate_inode(struct inode *inode); diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index a28d71b45b5f..d71a0e90faeb 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -156,6 +156,7 @@ struct nfs_server { #define NFS_MOUNT_WRITE_EAGER 0x01000000 #define NFS_MOUNT_WRITE_WAIT 0x02000000 + unsigned int fattr_valid; /* Valid attributes */ unsigned int caps; /* server capabilities */ unsigned int rsize; /* read size */ unsigned int rpages; /* read size (in pages) */ @@ -180,6 +181,9 @@ struct nfs_server { #define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */ #define NFS_OPTION_MIGRATION 0x00000002 /* - NFSv4 migration enabled */ + enum nfs4_change_attr_type + change_attr_type;/* Description of change attribute */ + struct nfs_fsid fsid; __u64 maxfilesize; /* maximum file size */ struct timespec64 time_delta; /* smallest time granularity */ @@ -265,16 +269,7 @@ struct nfs_server { #define NFS_CAP_SYMLINKS (1U << 2) #define NFS_CAP_ACLS (1U << 3) #define NFS_CAP_ATOMIC_OPEN (1U << 4) -/* #define NFS_CAP_CHANGE_ATTR (1U << 5) */ #define NFS_CAP_LGOPEN (1U << 5) -#define NFS_CAP_FILEID (1U << 6) -#define NFS_CAP_MODE (1U << 7) -#define NFS_CAP_NLINK (1U << 8) -#define NFS_CAP_OWNER (1U << 9) -#define NFS_CAP_OWNER_GROUP (1U << 10) -#define NFS_CAP_ATIME (1U << 11) -#define NFS_CAP_CTIME (1U << 12) -#define NFS_CAP_MTIME (1U << 13) #define NFS_CAP_POSIX_LOCK (1U << 14) #define NFS_CAP_UIDGID_NOMAP (1U << 15) #define NFS_CAP_STATEID_NFSV41 (1U << 16) diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 3327239fa2f9..717ecc87c9e7 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -15,6 +15,8 @@ #define NFS_DEF_FILE_IO_SIZE (4096U) #define NFS_MIN_FILE_IO_SIZE (1024U) +#define NFS_BITMASK_SZ 3 + struct nfs4_string { unsigned int len; char *data; @@ -150,6 +152,8 @@ struct nfs_fsinfo { __u32 layouttype[NFS_MAX_LAYOUT_TYPES]; /* supported pnfs layout driver */ __u32 blksize; /* preferred pnfs io block size */ __u32 clone_blksize; /* granularity of a CLONE operation */ + enum nfs4_change_attr_type + change_attr_type; /* Info about change attr */ __u32 xattr_support; /* User xattrs supported */ }; @@ -525,7 +529,8 @@ struct nfs_closeargs { struct nfs_seqid * seqid; fmode_t fmode; u32 share_access; - u32 * bitmask; + const u32 * bitmask; + u32 bitmask_store[NFS_BITMASK_SZ]; struct nfs4_layoutreturn_args *lr_args; }; @@ -608,7 +613,8 @@ struct nfs4_delegreturnargs { struct nfs4_sequence_args seq_args; const struct nfs_fh *fhandle; const nfs4_stateid *stateid; - u32 * bitmask; + const u32 *bitmask; + u32 bitmask_store[NFS_BITMASK_SZ]; struct nfs4_layoutreturn_args *lr_args; }; @@ -648,7 +654,8 @@ struct nfs_pgio_args { union { unsigned int replen; /* used by read */ struct { - u32 * bitmask; /* used by write */ + const u32 * bitmask; /* used by write */ + u32 bitmask_store[NFS_BITMASK_SZ]; /* used by write */ enum nfs3_stable_how stable; /* used by write */ }; }; diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 2194a9cd885c..46b13780c2c8 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -426,7 +426,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres /* * On some architectures hardware does not set page access bit when accessing - * memory page, it is responsibilty of software setting this bit. It brings + * memory page, it is responsibility of software setting this bit. It brings * out extra page fault penalty to track page access bit. For optimization page * access bit can be set during all page fault flow on these arches. * To be differentiate with macro pte_mkyoung, this macro is used on platforms @@ -519,7 +519,7 @@ extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); /* * This is an implementation of pmdp_establish() that is only suitable for an * architecture that doesn't have hardware dirty/accessed bits. In this case we - * can't race with CPU which sets these bits and non-atomic aproach is fine. + * can't race with CPU which sets these bits and non-atomic approach is fine. */ static inline pmd_t generic_pmdp_establish(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp, pmd_t pmd) @@ -852,7 +852,7 @@ static inline void __ptep_modify_prot_commit(struct vm_area_struct *vma, * updates, but to prevent any updates it may make from being lost. * * This does not protect against other software modifications of the - * pte; the appropriate pte lock must be held over the transation. + * pte; the appropriate pte lock must be held over the transaction. * * Note that this interface is intended to be batchable, meaning that * ptep_modify_prot_commit may not actually update the pte, but merely @@ -1281,13 +1281,13 @@ static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd) * * The complete check uses is_pmd_migration_entry() in linux/swapops.h * But using that requires moving current function and pmd_trans_unstable() - * to linux/swapops.h to resovle dependency, which is too much code move. + * to linux/swapops.h to resolve dependency, which is too much code move. * * !pmd_present() is equivalent to is_pmd_migration_entry() currently, * because !pmd_present() pages can only be under migration not swapped * out. * - * pmd_none() is preseved for future condition checks on pmd migration + * pmd_none() is preserved for future condition checks on pmd migration * entries and not confusing with this function name, although it is * redundant with !pmd_present(). */ diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index 6035d9a98fb8..45f53afc46e2 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -5679,6 +5679,7 @@ enum tcpc_cc_polarity { #define PD_STATUS_EVENT_SOP_DISC_DONE BIT(0) #define PD_STATUS_EVENT_SOP_PRIME_DISC_DONE BIT(1) +#define PD_STATUS_EVENT_HARD_RESET BIT(2) struct ec_params_typec_status { uint8_t port; diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 000cc0533c33..069c7fd95396 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -32,6 +32,7 @@ struct proc_ops { ssize_t (*proc_read)(struct file *, char __user *, size_t, loff_t *); ssize_t (*proc_read_iter)(struct kiocb *, struct iov_iter *); ssize_t (*proc_write)(struct file *, const char __user *, size_t, loff_t *); + /* mandatory unless nonseekable_open() or equivalent is used */ loff_t (*proc_lseek)(struct file *, loff_t, int); int (*proc_release)(struct inode *, struct file *); __poll_t (*proc_poll)(struct file *, struct poll_table_struct *); diff --git a/include/linux/profile.h b/include/linux/profile.h index bad18ca43150..fd18ca96f557 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -15,7 +15,6 @@ #define KVM_PROFILING 4 struct proc_dir_entry; -struct pt_regs; struct notifier_block; #if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS) @@ -84,8 +83,6 @@ int task_handoff_unregister(struct notifier_block * n); int profile_event_register(enum profile_type, struct notifier_block * n); int profile_event_unregister(enum profile_type, struct notifier_block * n); -struct pt_regs; - #else #define prof_on 0 diff --git a/include/linux/smp.h b/include/linux/smp.h index 84a0b4828f66..669e35c03be2 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -56,6 +56,14 @@ void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func, int smp_call_function_single_async(int cpu, call_single_data_t *csd); /* + * Cpus stopping functions in panic. All have default weak definitions. + * Architecture-dependent code may override them. + */ +void panic_smp_self_stop(void); +void nmi_panic_self_stop(struct pt_regs *regs); +void crash_smp_send_stop(void); + +/* * Call a function on all processors */ static inline void on_each_cpu(smp_call_func_t func, void *info, int wait) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index d2e97ee802af..d81fe8b364d0 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -247,6 +247,7 @@ struct rpc_xprt { struct rpc_task * snd_task; /* Task blocked in send */ struct list_head xmit_queue; /* Send queue */ + atomic_long_t xmit_queuelen; struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */ #if defined(CONFIG_SUNRPC_BACKCHANNEL) diff --git a/include/linux/swap.h b/include/linux/swap.h index f69e0f67651d..144727041e78 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -10,6 +10,7 @@ #include <linux/sched.h> #include <linux/node.h> #include <linux/fs.h> +#include <linux/pagemap.h> #include <linux/atomic.h> #include <linux/page-flags.h> #include <uapi/linux/mempolicy.h> diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 394d03cc0e92..4d668abb6391 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -33,7 +33,7 @@ struct notifier_block; /* in notifier.h */ * * If IS_ENABLED(CONFIG_KASAN_VMALLOC), VM_KASAN is set on a vm_struct after * shadow memory has been mapped. It's used to handle allocation errors so that - * we don't try to poision shadow on free if it was never allocated. + * we don't try to poison shadow on free if it was never allocated. * * Otherwise, VM_KASAN is set for kasan_module_alloc() allocations and used to * determine which allocations need the module shadow freed. @@ -43,7 +43,7 @@ struct notifier_block; /* in notifier.h */ /* * Maximum alignment for ioremap() regions. - * Can be overriden by arch-specific value. + * Can be overridden by arch-specific value. */ #ifndef IOREMAP_MAX_ORDER #define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */ @@ -227,9 +227,8 @@ static inline void set_vm_flush_reset_perms(void *addr) } #endif -/* for /dev/kmem */ +/* for /proc/kcore */ extern long vread(char *buf, char *addr, unsigned long count); -extern long vwrite(char *buf, char *addr, unsigned long count); /* * Internals. Dont't use.. diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h index e8df72e1627a..5e848884ff61 100644 --- a/include/net/sctp/command.h +++ b/include/net/sctp/command.h @@ -68,7 +68,6 @@ enum sctp_verb { SCTP_CMD_ASSOC_FAILED, /* Handle association failure. */ SCTP_CMD_DISCARD_PACKET, /* Discard the whole packet. */ SCTP_CMD_GEN_SHUTDOWN, /* Generate a SHUTDOWN chunk. */ - SCTP_CMD_UPDATE_ASSOC, /* Update association information. */ SCTP_CMD_PURGE_OUTQUEUE, /* Purge all data waiting to be sent. */ SCTP_CMD_SETUP_T2, /* Hi-level, setup T2-shutdown parms. */ SCTP_CMD_RTO_PENDING, /* Set transport's rto_pending. */ diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index c838e7ac1c2d..bd55908c1bef 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -60,6 +60,46 @@ DECLARE_EVENT_CLASS(rpcrdma_completion_class, ), \ TP_ARGS(wc, cid)) +DECLARE_EVENT_CLASS(rpcrdma_mr_completion_class, + TP_PROTO( + const struct ib_wc *wc, + const struct rpc_rdma_cid *cid + ), + + TP_ARGS(wc, cid), + + TP_STRUCT__entry( + __field(u32, cq_id) + __field(int, completion_id) + __field(unsigned long, status) + __field(unsigned int, vendor_err) + ), + + TP_fast_assign( + __entry->cq_id = cid->ci_queue_id; + __entry->completion_id = cid->ci_completion_id; + __entry->status = wc->status; + if (wc->status) + __entry->vendor_err = wc->vendor_err; + else + __entry->vendor_err = 0; + ), + + TP_printk("cq.id=%u mr.id=%d status=%s (%lu/0x%x)", + __entry->cq_id, __entry->completion_id, + rdma_show_wc_status(__entry->status), + __entry->status, __entry->vendor_err + ) +); + +#define DEFINE_MR_COMPLETION_EVENT(name) \ + DEFINE_EVENT(rpcrdma_mr_completion_class, name, \ + TP_PROTO( \ + const struct ib_wc *wc, \ + const struct rpc_rdma_cid *cid \ + ), \ + TP_ARGS(wc, cid)) + DECLARE_EVENT_CLASS(rpcrdma_receive_completion_class, TP_PROTO( const struct ib_wc *wc, @@ -150,19 +190,17 @@ DECLARE_EVENT_CLASS(xprtrdma_rxprt, TP_ARGS(r_xprt), TP_STRUCT__entry( - __field(const void *, r_xprt) __string(addr, rpcrdma_addrstr(r_xprt)) __string(port, rpcrdma_portstr(r_xprt)) ), TP_fast_assign( - __entry->r_xprt = r_xprt; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s r_xprt=%p", - __get_str(addr), __get_str(port), __entry->r_xprt + TP_printk("peer=[%s]:%s", + __get_str(addr), __get_str(port) ) ); @@ -182,7 +220,6 @@ DECLARE_EVENT_CLASS(xprtrdma_connect_class, TP_ARGS(r_xprt, rc), TP_STRUCT__entry( - __field(const void *, r_xprt) __field(int, rc) __field(int, connect_status) __string(addr, rpcrdma_addrstr(r_xprt)) @@ -190,15 +227,14 @@ DECLARE_EVENT_CLASS(xprtrdma_connect_class, ), TP_fast_assign( - __entry->r_xprt = r_xprt; __entry->rc = rc; __entry->connect_status = r_xprt->rx_ep->re_connect_status; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s r_xprt=%p: rc=%d connection status=%d", - __get_str(addr), __get_str(port), __entry->r_xprt, + TP_printk("peer=[%s]:%s rc=%d connection status=%d", + __get_str(addr), __get_str(port), __entry->rc, __entry->connect_status ) ); @@ -343,7 +379,7 @@ DECLARE_EVENT_CLASS(xprtrdma_mr_class, __entry->task_id = task->tk_pid; __entry->client_id = task->tk_client->cl_clid; - __entry->mr_id = mr->frwr.fr_mr->res.id; + __entry->mr_id = mr->mr_ibmr->res.id; __entry->nents = mr->mr_nents; __entry->handle = mr->mr_handle; __entry->length = mr->mr_length; @@ -384,7 +420,7 @@ DECLARE_EVENT_CLASS(xprtrdma_anonymous_mr_class, ), TP_fast_assign( - __entry->mr_id = mr->frwr.fr_mr->res.id; + __entry->mr_id = mr->mr_ibmr->res.id; __entry->nents = mr->mr_nents; __entry->handle = mr->mr_handle; __entry->length = mr->mr_length; @@ -495,22 +531,19 @@ TRACE_EVENT(xprtrdma_op_connect, TP_ARGS(r_xprt, delay), TP_STRUCT__entry( - __field(const void *, r_xprt) __field(unsigned long, delay) __string(addr, rpcrdma_addrstr(r_xprt)) __string(port, rpcrdma_portstr(r_xprt)) ), TP_fast_assign( - __entry->r_xprt = r_xprt; __entry->delay = delay; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s r_xprt=%p delay=%lu", - __get_str(addr), __get_str(port), __entry->r_xprt, - __entry->delay + TP_printk("peer=[%s]:%s delay=%lu", + __get_str(addr), __get_str(port), __entry->delay ) ); @@ -525,7 +558,6 @@ TRACE_EVENT(xprtrdma_op_set_cto, TP_ARGS(r_xprt, connect, reconnect), TP_STRUCT__entry( - __field(const void *, r_xprt) __field(unsigned long, connect) __field(unsigned long, reconnect) __string(addr, rpcrdma_addrstr(r_xprt)) @@ -533,51 +565,18 @@ TRACE_EVENT(xprtrdma_op_set_cto, ), TP_fast_assign( - __entry->r_xprt = r_xprt; __entry->connect = connect; __entry->reconnect = reconnect; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s r_xprt=%p: connect=%lu reconnect=%lu", - __get_str(addr), __get_str(port), __entry->r_xprt, + TP_printk("peer=[%s]:%s connect=%lu reconnect=%lu", + __get_str(addr), __get_str(port), __entry->connect / HZ, __entry->reconnect / HZ ) ); -TRACE_EVENT(xprtrdma_qp_event, - TP_PROTO( - const struct rpcrdma_ep *ep, - const struct ib_event *event - ), - - TP_ARGS(ep, event), - - TP_STRUCT__entry( - __field(unsigned long, event) - __string(name, event->device->name) - __array(unsigned char, srcaddr, sizeof(struct sockaddr_in6)) - __array(unsigned char, dstaddr, sizeof(struct sockaddr_in6)) - ), - - TP_fast_assign( - const struct rdma_cm_id *id = ep->re_id; - - __entry->event = event->event; - __assign_str(name, event->device->name); - memcpy(__entry->srcaddr, &id->route.addr.src_addr, - sizeof(struct sockaddr_in6)); - memcpy(__entry->dstaddr, &id->route.addr.dst_addr, - sizeof(struct sockaddr_in6)); - ), - - TP_printk("%pISpc -> %pISpc device=%s %s (%lu)", - __entry->srcaddr, __entry->dstaddr, __get_str(name), - rdma_show_ib_event(__entry->event), __entry->event - ) -); - /** ** Call events **/ @@ -591,22 +590,19 @@ TRACE_EVENT(xprtrdma_createmrs, TP_ARGS(r_xprt, count), TP_STRUCT__entry( - __field(const void *, r_xprt) __string(addr, rpcrdma_addrstr(r_xprt)) __string(port, rpcrdma_portstr(r_xprt)) __field(unsigned int, count) ), TP_fast_assign( - __entry->r_xprt = r_xprt; __entry->count = count; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s r_xprt=%p: created %u MRs", - __get_str(addr), __get_str(port), __entry->r_xprt, - __entry->count + TP_printk("peer=[%s]:%s created %u MRs", + __get_str(addr), __get_str(port), __entry->count ) ); @@ -829,7 +825,7 @@ TRACE_EVENT(xprtrdma_post_recvs, TP_ARGS(r_xprt, count, status), TP_STRUCT__entry( - __field(const void *, r_xprt) + __field(u32, cq_id) __field(unsigned int, count) __field(int, status) __field(int, posted) @@ -838,16 +834,18 @@ TRACE_EVENT(xprtrdma_post_recvs, ), TP_fast_assign( - __entry->r_xprt = r_xprt; + const struct rpcrdma_ep *ep = r_xprt->rx_ep; + + __entry->cq_id = ep->re_attr.recv_cq->res.id; __entry->count = count; __entry->status = status; - __entry->posted = r_xprt->rx_ep->re_receive_count; + __entry->posted = ep->re_receive_count; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s r_xprt=%p: %u new recvs, %d active (rc %d)", - __get_str(addr), __get_str(port), __entry->r_xprt, + TP_printk("peer=[%s]:%s cq.id=%d %u new recvs, %d active (rc %d)", + __get_str(addr), __get_str(port), __entry->cq_id, __entry->count, __entry->posted, __entry->status ) ); @@ -886,10 +884,10 @@ TRACE_EVENT(xprtrdma_post_linv_err, DEFINE_RECEIVE_COMPLETION_EVENT(xprtrdma_wc_receive); DEFINE_COMPLETION_EVENT(xprtrdma_wc_send); -DEFINE_COMPLETION_EVENT(xprtrdma_wc_fastreg); -DEFINE_COMPLETION_EVENT(xprtrdma_wc_li); -DEFINE_COMPLETION_EVENT(xprtrdma_wc_li_wake); -DEFINE_COMPLETION_EVENT(xprtrdma_wc_li_done); +DEFINE_MR_COMPLETION_EVENT(xprtrdma_wc_fastreg); +DEFINE_MR_COMPLETION_EVENT(xprtrdma_wc_li); +DEFINE_MR_COMPLETION_EVENT(xprtrdma_wc_li_wake); +DEFINE_MR_COMPLETION_EVENT(xprtrdma_wc_li_done); TRACE_EVENT(xprtrdma_frwr_alloc, TP_PROTO( @@ -905,7 +903,7 @@ TRACE_EVENT(xprtrdma_frwr_alloc, ), TP_fast_assign( - __entry->mr_id = mr->frwr.fr_mr->res.id; + __entry->mr_id = mr->mr_ibmr->res.id; __entry->rc = rc; ), @@ -933,7 +931,7 @@ TRACE_EVENT(xprtrdma_frwr_dereg, ), TP_fast_assign( - __entry->mr_id = mr->frwr.fr_mr->res.id; + __entry->mr_id = mr->mr_ibmr->res.id; __entry->nents = mr->mr_nents; __entry->handle = mr->mr_handle; __entry->length = mr->mr_length; @@ -966,7 +964,7 @@ TRACE_EVENT(xprtrdma_frwr_sgerr, ), TP_fast_assign( - __entry->mr_id = mr->frwr.fr_mr->res.id; + __entry->mr_id = mr->mr_ibmr->res.id; __entry->addr = mr->mr_sg->dma_address; __entry->dir = mr->mr_dir; __entry->nents = sg_nents; @@ -996,7 +994,7 @@ TRACE_EVENT(xprtrdma_frwr_maperr, ), TP_fast_assign( - __entry->mr_id = mr->frwr.fr_mr->res.id; + __entry->mr_id = mr->mr_ibmr->res.id; __entry->addr = mr->mr_sg->dma_address; __entry->dir = mr->mr_dir; __entry->num_mapped = num_mapped; @@ -1010,11 +1008,12 @@ TRACE_EVENT(xprtrdma_frwr_maperr, ) ); +DEFINE_MR_EVENT(fastreg); DEFINE_MR_EVENT(localinv); +DEFINE_MR_EVENT(reminv); DEFINE_MR_EVENT(map); DEFINE_ANON_MR_EVENT(unmap); -DEFINE_ANON_MR_EVENT(recycle); TRACE_EVENT(xprtrdma_dma_maperr, TP_PROTO( @@ -1248,22 +1247,19 @@ TRACE_EVENT(xprtrdma_cb_setup, TP_ARGS(r_xprt, reqs), TP_STRUCT__entry( - __field(const void *, r_xprt) __field(unsigned int, reqs) __string(addr, rpcrdma_addrstr(r_xprt)) __string(port, rpcrdma_portstr(r_xprt)) ), TP_fast_assign( - __entry->r_xprt = r_xprt; __entry->reqs = reqs; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s r_xprt=%p: %u reqs", - __get_str(addr), __get_str(port), - __entry->r_xprt, __entry->reqs + TP_printk("peer=[%s]:%s %u reqs", + __get_str(addr), __get_str(port), __entry->reqs ) ); diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index bda16e9e6ba7..d02e01a27b69 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -1079,6 +1079,46 @@ TRACE_EVENT(xprt_transmit, __entry->seqno, __entry->status) ); +TRACE_EVENT(xprt_retransmit, + TP_PROTO( + const struct rpc_rqst *rqst + ), + + TP_ARGS(rqst), + + TP_STRUCT__entry( + __field(unsigned int, task_id) + __field(unsigned int, client_id) + __field(u32, xid) + __field(int, ntrans) + __field(int, version) + __string(progname, + rqst->rq_task->tk_client->cl_program->name) + __string(procedure, + rqst->rq_task->tk_msg.rpc_proc->p_name) + ), + + TP_fast_assign( + struct rpc_task *task = rqst->rq_task; + + __entry->task_id = task->tk_pid; + __entry->client_id = task->tk_client ? + task->tk_client->cl_clid : -1; + __entry->xid = be32_to_cpu(rqst->rq_xid); + __entry->ntrans = rqst->rq_ntrans; + __assign_str(progname, + task->tk_client->cl_program->name) + __entry->version = task->tk_client->cl_vers; + __assign_str(procedure, task->tk_msg.rpc_proc->p_name) + ), + + TP_printk( + "task:%u@%u xid=0x%08x %sv%d %s ntrans=%d", + __entry->task_id, __entry->client_id, __entry->xid, + __get_str(progname), __entry->version, __get_str(procedure), + __entry->ntrans) +); + TRACE_EVENT(xprt_ping, TP_PROTO(const struct rpc_xprt *xprt, int status), @@ -1141,7 +1181,6 @@ DECLARE_EVENT_CLASS(xprt_writelock_event, DEFINE_WRITELOCK_EVENT(reserve_xprt); DEFINE_WRITELOCK_EVENT(release_xprt); -DEFINE_WRITELOCK_EVENT(transmit_queued); DECLARE_EVENT_CLASS(xprt_cong_event, TP_PROTO( diff --git a/include/uapi/linux/if_bonding.h b/include/uapi/linux/if_bonding.h index e8eb4ad03cf1..d174914a837d 100644 --- a/include/uapi/linux/if_bonding.h +++ b/include/uapi/linux/if_bonding.h @@ -153,14 +153,3 @@ enum { #define BOND_3AD_STAT_MAX (__BOND_3AD_STAT_MAX - 1) #endif /* _LINUX_IF_BONDING_H */ - -/* - * Local variables: - * version-control: t - * kept-new-versions: 5 - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ - diff --git a/include/uapi/linux/netfilter/xt_SECMARK.h b/include/uapi/linux/netfilter/xt_SECMARK.h index 1f2a708413f5..beb2cadba8a9 100644 --- a/include/uapi/linux/netfilter/xt_SECMARK.h +++ b/include/uapi/linux/netfilter/xt_SECMARK.h @@ -20,4 +20,10 @@ struct xt_secmark_target_info { char secctx[SECMARK_SECCTX_MAX]; }; +struct xt_secmark_target_info_v1 { + __u8 mode; + char secctx[SECMARK_SECCTX_MAX]; + __u32 secid; +}; + #endif /*_XT_SECMARK_H_target */ diff --git a/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h index ed5415e0f1c1..800bb0ffa6e6 100644 --- a/include/uapi/linux/nfs4.h +++ b/include/uapi/linux/nfs4.h @@ -178,9 +178,3 @@ #define NFS4_MAX_BACK_CHANNEL_OPS 2 #endif /* _UAPI_LINUX_NFS4_H */ - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/include/uapi/linux/seg6_local.h b/include/uapi/linux/seg6_local.h index 3b39ef1dbb46..5ae3ace84de0 100644 --- a/include/uapi/linux/seg6_local.h +++ b/include/uapi/linux/seg6_local.h @@ -27,6 +27,7 @@ enum { SEG6_LOCAL_OIF, SEG6_LOCAL_BPF, SEG6_LOCAL_VRFTABLE, + SEG6_LOCAL_COUNTERS, __SEG6_LOCAL_MAX, }; #define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1) @@ -78,4 +79,33 @@ enum { #define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1) +/* SRv6 Behavior counters are encoded as netlink attributes guaranteeing the + * correct alignment. + * Each counter is identified by a different attribute type (i.e. + * SEG6_LOCAL_CNT_PACKETS). + * + * - SEG6_LOCAL_CNT_PACKETS: identifies a counter that counts the number of + * packets that have been CORRECTLY processed by an SRv6 Behavior instance + * (i.e., packets that generate errors or are dropped are NOT counted). + * + * - SEG6_LOCAL_CNT_BYTES: identifies a counter that counts the total amount + * of traffic in bytes of all packets that have been CORRECTLY processed by + * an SRv6 Behavior instance (i.e., packets that generate errors or are + * dropped are NOT counted). + * + * - SEG6_LOCAL_CNT_ERRORS: identifies a counter that counts the number of + * packets that have NOT been properly processed by an SRv6 Behavior instance + * (i.e., packets that generate errors or are dropped). + */ +enum { + SEG6_LOCAL_CNT_UNSPEC, + SEG6_LOCAL_CNT_PAD, /* pad for 64 bits values */ + SEG6_LOCAL_CNT_PACKETS, + SEG6_LOCAL_CNT_BYTES, + SEG6_LOCAL_CNT_ERRORS, + __SEG6_LOCAL_CNT_MAX, +}; + +#define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1) + #endif diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 34b1f53a3901..ef33ea002b0b 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -333,10 +333,21 @@ struct vfio_region_info_cap_type { #define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG (3) /* 10de vendor PCI sub-types */ -/* subtype 1 was VFIO_REGION_SUBTYPE_NVIDIA_NVLINK2_RAM, don't use */ +/* + * NVIDIA GPU NVlink2 RAM is coherent RAM mapped onto the host address space. + * + * Deprecated, region no longer provided + */ +#define VFIO_REGION_SUBTYPE_NVIDIA_NVLINK2_RAM (1) /* 1014 vendor PCI sub-types */ -/* subtype 1 was VFIO_REGION_SUBTYPE_IBM_NVLINK2_ATSD, don't use */ +/* + * IBM NPU NVlink2 ATSD (Address Translation Shootdown) register of NPU + * to do TLB invalidation on a GPU. + * + * Deprecated, region no longer provided + */ +#define VFIO_REGION_SUBTYPE_IBM_NVLINK2_ATSD (1) /* sub-types for VFIO_REGION_TYPE_GFX */ #define VFIO_REGION_SUBTYPE_GFX_EDID (1) @@ -630,9 +641,36 @@ struct vfio_device_migration_info { */ #define VFIO_REGION_INFO_CAP_MSIX_MAPPABLE 3 -/* subtype 4 was VFIO_REGION_INFO_CAP_NVLINK2_SSATGT, don't use */ +/* + * Capability with compressed real address (aka SSA - small system address) + * where GPU RAM is mapped on a system bus. Used by a GPU for DMA routing + * and by the userspace to associate a NVLink bridge with a GPU. + * + * Deprecated, capability no longer provided + */ +#define VFIO_REGION_INFO_CAP_NVLINK2_SSATGT 4 + +struct vfio_region_info_cap_nvlink2_ssatgt { + struct vfio_info_cap_header header; + __u64 tgt; +}; -/* subtype 5 was VFIO_REGION_INFO_CAP_NVLINK2_LNKSPD, don't use */ +/* + * Capability with an NVLink link speed. The value is read by + * the NVlink2 bridge driver from the bridge's "ibm,nvlink-speed" + * property in the device tree. The value is fixed in the hardware + * and failing to provide the correct value results in the link + * not working with no indication from the driver why. + * + * Deprecated, capability no longer provided + */ +#define VFIO_REGION_INFO_CAP_NVLINK2_LNKSPD 5 + +struct vfio_region_info_cap_nvlink2_lnkspd { + struct vfio_info_cap_header header; + __u32 link_speed; + __u32 __pad; +}; /** * VFIO_DEVICE_GET_IRQ_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 9, diff --git a/include/xen/interface/elfnote.h b/include/xen/interface/elfnote.h index 9e9f9bf7c66d..449bd383cb76 100644 --- a/include/xen/interface/elfnote.h +++ b/include/xen/interface/elfnote.h @@ -208,13 +208,3 @@ #define XEN_ELFNOTE_MAX XEN_ELFNOTE_PHYS32_ENTRY #endif /* __XEN_PUBLIC_ELFNOTE_H__ */ - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ diff --git a/include/xen/interface/hvm/hvm_vcpu.h b/include/xen/interface/hvm/hvm_vcpu.h index 32ca83edd44d..bfc2138e0bf5 100644 --- a/include/xen/interface/hvm/hvm_vcpu.h +++ b/include/xen/interface/hvm/hvm_vcpu.h @@ -131,13 +131,3 @@ struct vcpu_hvm_context { typedef struct vcpu_hvm_context vcpu_hvm_context_t; #endif /* __XEN_PUBLIC_HVM_HVM_VCPU_H__ */ - -/* - * Local variables: - * mode: C - * c-file-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ diff --git a/include/xen/interface/io/xenbus.h b/include/xen/interface/io/xenbus.h index aaf2951b1cce..fb8716112251 100644 --- a/include/xen/interface/io/xenbus.h +++ b/include/xen/interface/io/xenbus.h @@ -39,13 +39,3 @@ enum xenbus_state }; #endif /* _XEN_PUBLIC_IO_XENBUS_H */ - -/* - * Local variables: - * c-file-style: "linux" - * indent-tabs-mode: t - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/init/Kconfig b/init/Kconfig index b1da957a9549..1ea12c64e4c9 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -2299,6 +2299,18 @@ config MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS If unsure, say N. +config MODPROBE_PATH + string "Path to modprobe binary" + default "/sbin/modprobe" + help + When kernel code requests a module, it does so by calling + the "modprobe" userspace utility. This option allows you to + set the path where that binary is found. This can be changed + at runtime via the sysctl file + /proc/sys/kernel/modprobe. Setting this to the empty string + removes the kernel's ability to request modules (but + userspace can still load modules explicitly). + config TRIM_UNUSED_KSYMS bool "Trim unused exported kernel symbols" if EXPERT depends on !COMPILE_TEST diff --git a/init/initramfs.c b/init/initramfs.c index d677e8e717f1..af27abc59643 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> +#include <linux/async.h> #include <linux/fs.h> #include <linux/slab.h> #include <linux/types.h> @@ -541,6 +542,14 @@ static int __init keepinitrd_setup(char *__unused) __setup("keepinitrd", keepinitrd_setup); #endif +static bool __initdata initramfs_async = true; +static int __init initramfs_async_setup(char *str) +{ + strtobool(str, &initramfs_async); + return 1; +} +__setup("initramfs_async=", initramfs_async_setup); + extern char __initramfs_start[]; extern unsigned long __initramfs_size; #include <linux/initrd.h> @@ -658,7 +667,7 @@ static void __init populate_initrd_image(char *err) } #endif /* CONFIG_BLK_DEV_RAM */ -static int __init populate_rootfs(void) +static void __init do_populate_rootfs(void *unused, async_cookie_t cookie) { /* Load the built in initramfs */ char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size); @@ -693,6 +702,33 @@ done: initrd_end = 0; flush_delayed_fput(); +} + +static ASYNC_DOMAIN_EXCLUSIVE(initramfs_domain); +static async_cookie_t initramfs_cookie; + +void wait_for_initramfs(void) +{ + if (!initramfs_cookie) { + /* + * Something before rootfs_initcall wants to access + * the filesystem/initramfs. Probably a bug. Make a + * note, avoid deadlocking the machine, and let the + * caller's access fail as it used to. + */ + pr_warn_once("wait_for_initramfs() called before rootfs_initcalls\n"); + return; + } + async_synchronize_cookie_domain(initramfs_cookie + 1, &initramfs_domain); +} +EXPORT_SYMBOL_GPL(wait_for_initramfs); + +static int __init populate_rootfs(void) +{ + initramfs_cookie = async_schedule_domain(do_populate_rootfs, NULL, + &initramfs_domain); + if (!initramfs_async) + wait_for_initramfs(); return 0; } rootfs_initcall(populate_rootfs); diff --git a/init/main.c b/init/main.c index 543fbe3060be..eb01e121d2f1 100644 --- a/init/main.c +++ b/init/main.c @@ -1561,6 +1561,7 @@ static noinline void __init kernel_init_freeable(void) kunit_run_all_tests(); + wait_for_initramfs(); console_on_rootfs(); /* diff --git a/ipc/sem.c b/ipc/sem.c index f6c30a85dadf..e0ec239680cb 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -36,7 +36,7 @@ * - two Linux specific semctl() commands: SEM_STAT, SEM_INFO. * - undo adjustments at process exit are limited to 0..SEMVMX. * - namespace are supported. - * - SEMMSL, SEMMNS, SEMOPM and SEMMNI can be configured at runtine by writing + * - SEMMSL, SEMMNS, SEMOPM and SEMMNI can be configured at runtime by writing * to /proc/sys/kernel/sem. * - statistics about the usage are reported in /proc/sysvipc/sem. * @@ -224,7 +224,7 @@ static int sysvipc_sem_proc_show(struct seq_file *s, void *it); * Setting it to a result code is a RELEASE, this is ensured by both a * smp_store_release() (for case a) and while holding sem_lock() * (for case b). - * The AQUIRE when reading the result code without holding sem_lock() is + * The ACQUIRE when reading the result code without holding sem_lock() is * achieved by using READ_ONCE() + smp_acquire__after_ctrl_dep(). * (case a above). * Reading the result code while holding sem_lock() needs no further barriers, @@ -786,7 +786,7 @@ static inline void wake_up_sem_queue_prepare(struct sem_queue *q, int error, { get_task_struct(q->sleeper); - /* see SEM_BARRIER_2 for purpuse/pairing */ + /* see SEM_BARRIER_2 for purpose/pairing */ smp_store_release(&q->status, error); wake_q_add_safe(wake_q, q->sleeper); @@ -821,7 +821,7 @@ static inline int check_restart(struct sem_array *sma, struct sem_queue *q) /* It is impossible that someone waits for the new value: * - complex operations always restart. - * - wait-for-zero are handled seperately. + * - wait-for-zero are handled separately. * - q is a previously sleeping simple operation that * altered the array. It must be a decrement, because * simple increments never sleep. @@ -1046,7 +1046,7 @@ static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsop * - No complex ops, thus all sleeping ops are * decrease. * - if we decreased the value, then any sleeping - * semaphore ops wont be able to run: If the + * semaphore ops won't be able to run: If the * previous value was too small, then the new * value will be too small, too. */ @@ -2108,7 +2108,7 @@ static long do_semtimedop(int semid, struct sembuf __user *tsops, queue.dupsop = dupsop; error = perform_atomic_semop(sma, &queue); - if (error == 0) { /* non-blocking succesfull path */ + if (error == 0) { /* non-blocking successful path */ DEFINE_WAKE_Q(wake_q); /* diff --git a/kernel/.gitignore b/kernel/.gitignore index 78701ea37c97..c6b299a6b786 100644 --- a/kernel/.gitignore +++ b/kernel/.gitignore @@ -1,4 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -kheaders.md5 -timeconst.h -hz.bc +/config_data +/kheaders.md5 diff --git a/kernel/Makefile b/kernel/Makefile index e8a6715f38dc..4df609be42d0 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -142,10 +142,15 @@ obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o $(obj)/configs.o: $(obj)/config_data.gz -targets += config_data.gz -$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE +targets += config_data config_data.gz +$(obj)/config_data.gz: $(obj)/config_data FORCE $(call if_changed,gzip) +filechk_cat = cat $< + +$(obj)/config_data: $(KCONFIG_CONFIG) FORCE + $(call filechk,cat) + $(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz quiet_cmd_genikh = CHK $(obj)/kheaders_data.tar.xz diff --git a/kernel/async.c b/kernel/async.c index 33258e6e20f8..b8d7a663497f 100644 --- a/kernel/async.c +++ b/kernel/async.c @@ -78,6 +78,12 @@ static DECLARE_WAIT_QUEUE_HEAD(async_done); static atomic_t entry_count; +static long long microseconds_since(ktime_t start) +{ + ktime_t now = ktime_get(); + return ktime_to_ns(ktime_sub(now, start)) >> 10; +} + static async_cookie_t lowest_in_progress(struct async_domain *domain) { struct async_entry *first = NULL; @@ -111,24 +117,18 @@ static void async_run_entry_fn(struct work_struct *work) struct async_entry *entry = container_of(work, struct async_entry, work); unsigned long flags; - ktime_t calltime, delta, rettime; + ktime_t calltime; /* 1) run (and print duration) */ - if (initcall_debug && system_state < SYSTEM_RUNNING) { - pr_debug("calling %lli_%pS @ %i\n", - (long long)entry->cookie, - entry->func, task_pid_nr(current)); - calltime = ktime_get(); - } + pr_debug("calling %lli_%pS @ %i\n", (long long)entry->cookie, + entry->func, task_pid_nr(current)); + calltime = ktime_get(); + entry->func(entry->data, entry->cookie); - if (initcall_debug && system_state < SYSTEM_RUNNING) { - rettime = ktime_get(); - delta = ktime_sub(rettime, calltime); - pr_debug("initcall %lli_%pS returned 0 after %lld usecs\n", - (long long)entry->cookie, - entry->func, - (long long)ktime_to_ns(delta) >> 10); - } + + pr_debug("initcall %lli_%pS returned after %lld usecs\n", + (long long)entry->cookie, entry->func, + microseconds_since(calltime)); /* 2) remove self from the pending queues */ spin_lock_irqsave(&async_lock, flags); @@ -246,24 +246,6 @@ void async_synchronize_full(void) EXPORT_SYMBOL_GPL(async_synchronize_full); /** - * async_unregister_domain - ensure no more anonymous waiters on this domain - * @domain: idle domain to flush out of any async_synchronize_full instances - * - * async_synchronize_{cookie|full}_domain() are not flushed since callers - * of these routines should know the lifetime of @domain - * - * Prefer ASYNC_DOMAIN_EXCLUSIVE() declarations over flushing - */ -void async_unregister_domain(struct async_domain *domain) -{ - spin_lock_irq(&async_lock); - WARN_ON(!domain->registered || !list_empty(&domain->pending)); - domain->registered = 0; - spin_unlock_irq(&async_lock); -} -EXPORT_SYMBOL_GPL(async_unregister_domain); - -/** * async_synchronize_full_domain - synchronize all asynchronous function within a certain domain * @domain: the domain to synchronize * @@ -287,23 +269,15 @@ EXPORT_SYMBOL_GPL(async_synchronize_full_domain); */ void async_synchronize_cookie_domain(async_cookie_t cookie, struct async_domain *domain) { - ktime_t starttime, delta, endtime; + ktime_t starttime; - if (initcall_debug && system_state < SYSTEM_RUNNING) { - pr_debug("async_waiting @ %i\n", task_pid_nr(current)); - starttime = ktime_get(); - } + pr_debug("async_waiting @ %i\n", task_pid_nr(current)); + starttime = ktime_get(); wait_event(async_done, lowest_in_progress(domain) >= cookie); - if (initcall_debug && system_state < SYSTEM_RUNNING) { - endtime = ktime_get(); - delta = ktime_sub(endtime, starttime); - - pr_debug("async_continuing @ %i after %lli usec\n", - task_pid_nr(current), - (long long)ktime_to_ns(delta) >> 10); - } + pr_debug("async_continuing @ %i after %lli usec\n", task_pid_nr(current), + microseconds_since(starttime)); } EXPORT_SYMBOL_GPL(async_synchronize_cookie_domain); diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 8fd552c16763..757476c91c98 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -6496,6 +6496,7 @@ static int sanitize_ptr_alu(struct bpf_verifier_env *env, { struct bpf_insn_aux_data *aux = commit_window ? cur_aux(env) : tmp_aux; struct bpf_verifier_state *vstate = env->cur_state; + bool off_is_imm = tnum_is_const(off_reg->var_off); bool off_is_neg = off_reg->smin_value < 0; bool ptr_is_dst_reg = ptr_reg == dst_reg; u8 opcode = BPF_OP(insn->code); @@ -6526,6 +6527,7 @@ static int sanitize_ptr_alu(struct bpf_verifier_env *env, alu_limit = abs(tmp_aux->alu_limit - alu_limit); } else { alu_state = off_is_neg ? BPF_ALU_NEG_VALUE : 0; + alu_state |= off_is_imm ? BPF_ALU_IMMEDIATE : 0; alu_state |= ptr_is_dst_reg ? BPF_ALU_SANITIZE_SRC : BPF_ALU_SANITIZE_DST; } @@ -12371,7 +12373,7 @@ static int do_misc_fixups(struct bpf_verifier_env *env) const u8 code_add = BPF_ALU64 | BPF_ADD | BPF_X; const u8 code_sub = BPF_ALU64 | BPF_SUB | BPF_X; struct bpf_insn *patch = &insn_buf[0]; - bool issrc, isneg; + bool issrc, isneg, isimm; u32 off_reg; aux = &env->insn_aux_data[i + delta]; @@ -12382,28 +12384,29 @@ static int do_misc_fixups(struct bpf_verifier_env *env) isneg = aux->alu_state & BPF_ALU_NEG_VALUE; issrc = (aux->alu_state & BPF_ALU_SANITIZE) == BPF_ALU_SANITIZE_SRC; + isimm = aux->alu_state & BPF_ALU_IMMEDIATE; off_reg = issrc ? insn->src_reg : insn->dst_reg; - if (isneg) - *patch++ = BPF_ALU64_IMM(BPF_MUL, off_reg, -1); - *patch++ = BPF_MOV32_IMM(BPF_REG_AX, aux->alu_limit); - *patch++ = BPF_ALU64_REG(BPF_SUB, BPF_REG_AX, off_reg); - *patch++ = BPF_ALU64_REG(BPF_OR, BPF_REG_AX, off_reg); - *patch++ = BPF_ALU64_IMM(BPF_NEG, BPF_REG_AX, 0); - *patch++ = BPF_ALU64_IMM(BPF_ARSH, BPF_REG_AX, 63); - if (issrc) { - *patch++ = BPF_ALU64_REG(BPF_AND, BPF_REG_AX, - off_reg); - insn->src_reg = BPF_REG_AX; + if (isimm) { + *patch++ = BPF_MOV32_IMM(BPF_REG_AX, aux->alu_limit); } else { - *patch++ = BPF_ALU64_REG(BPF_AND, off_reg, - BPF_REG_AX); + if (isneg) + *patch++ = BPF_ALU64_IMM(BPF_MUL, off_reg, -1); + *patch++ = BPF_MOV32_IMM(BPF_REG_AX, aux->alu_limit); + *patch++ = BPF_ALU64_REG(BPF_SUB, BPF_REG_AX, off_reg); + *patch++ = BPF_ALU64_REG(BPF_OR, BPF_REG_AX, off_reg); + *patch++ = BPF_ALU64_IMM(BPF_NEG, BPF_REG_AX, 0); + *patch++ = BPF_ALU64_IMM(BPF_ARSH, BPF_REG_AX, 63); + *patch++ = BPF_ALU64_REG(BPF_AND, BPF_REG_AX, off_reg); } + if (!issrc) + *patch++ = BPF_MOV64_REG(insn->dst_reg, insn->src_reg); + insn->src_reg = BPF_REG_AX; if (isneg) insn->code = insn->code == code_add ? code_sub : code_add; *patch++ = *insn; - if (issrc && isneg) + if (issrc && isneg && !isimm) *patch++ = BPF_ALU64_IMM(BPF_MUL, off_reg, -1); cnt = patch - insn_buf; diff --git a/kernel/configs/android-base.config b/kernel/configs/android-base.config index d3fd428f4b92..eb701b2ac72f 100644 --- a/kernel/configs/android-base.config +++ b/kernel/configs/android-base.config @@ -1,5 +1,4 @@ # KEEP ALPHABETICALLY SORTED -# CONFIG_DEVKMEM is not set # CONFIG_DEVMEM is not set # CONFIG_FHANDLE is not set # CONFIG_INET_LRO is not set diff --git a/kernel/cred.c b/kernel/cred.c index 421b1149c651..e1d274cd741b 100644 --- a/kernel/cred.c +++ b/kernel/cred.c @@ -33,7 +33,7 @@ do { \ static struct kmem_cache *cred_jar; /* init to 2 - one for init_task, one to ensure it is never freed */ -struct group_info init_groups = { .usage = ATOMIC_INIT(2) }; +static struct group_info init_groups = { .usage = ATOMIC_INIT(2) }; /* * The initial credentials for the initial task diff --git a/kernel/exit.c b/kernel/exit.c index 0596526ed9ea..fd1c04193e18 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1440,9 +1440,48 @@ void __wake_up_parent(struct task_struct *p, struct task_struct *parent) TASK_INTERRUPTIBLE, p); } +static bool is_effectively_child(struct wait_opts *wo, bool ptrace, + struct task_struct *target) +{ + struct task_struct *parent = + !ptrace ? target->real_parent : target->parent; + + return current == parent || (!(wo->wo_flags & __WNOTHREAD) && + same_thread_group(current, parent)); +} + +/* + * Optimization for waiting on PIDTYPE_PID. No need to iterate through child + * and tracee lists to find the target task. + */ +static int do_wait_pid(struct wait_opts *wo) +{ + bool ptrace; + struct task_struct *target; + int retval; + + ptrace = false; + target = pid_task(wo->wo_pid, PIDTYPE_TGID); + if (target && is_effectively_child(wo, ptrace, target)) { + retval = wait_consider_task(wo, ptrace, target); + if (retval) + return retval; + } + + ptrace = true; + target = pid_task(wo->wo_pid, PIDTYPE_PID); + if (target && target->ptrace && + is_effectively_child(wo, ptrace, target)) { + retval = wait_consider_task(wo, ptrace, target); + if (retval) + return retval; + } + + return 0; +} + static long do_wait(struct wait_opts *wo) { - struct task_struct *tsk; int retval; trace_sched_process_wait(wo->wo_pid); @@ -1464,19 +1503,27 @@ repeat: set_current_state(TASK_INTERRUPTIBLE); read_lock(&tasklist_lock); - tsk = current; - do { - retval = do_wait_thread(wo, tsk); - if (retval) - goto end; - retval = ptrace_do_wait(wo, tsk); + if (wo->wo_type == PIDTYPE_PID) { + retval = do_wait_pid(wo); if (retval) goto end; + } else { + struct task_struct *tsk = current; + + do { + retval = do_wait_thread(wo, tsk); + if (retval) + goto end; - if (wo->wo_flags & __WNOTHREAD) - break; - } while_each_thread(current, tsk); + retval = ptrace_do_wait(wo, tsk); + if (retval) + goto end; + + if (wo->wo_flags & __WNOTHREAD) + break; + } while_each_thread(current, tsk); + } read_unlock(&tasklist_lock); notask: diff --git a/kernel/fork.c b/kernel/fork.c index 771e0ea90499..dc06afd725cb 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1145,7 +1145,7 @@ void mmput_async(struct mm_struct *mm) * invocations: in mmput() nobody alive left, in execve task is single * threaded. sys_prctl(PR_SET_MM_MAP/EXE_FILE) also needs to set the * mm->exe_file, but does so without using set_mm_exe_file() in order - * to do avoid the need for any locks. + * to avoid the need for any locks. */ void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file) { @@ -1396,7 +1396,6 @@ fail_nomem: static int copy_mm(unsigned long clone_flags, struct task_struct *tsk) { struct mm_struct *mm, *oldmm; - int retval; tsk->min_flt = tsk->maj_flt = 0; tsk->nvcsw = tsk->nivcsw = 0; @@ -1423,21 +1422,15 @@ static int copy_mm(unsigned long clone_flags, struct task_struct *tsk) if (clone_flags & CLONE_VM) { mmget(oldmm); mm = oldmm; - goto good_mm; + } else { + mm = dup_mm(tsk, current->mm); + if (!mm) + return -ENOMEM; } - retval = -ENOMEM; - mm = dup_mm(tsk, current->mm); - if (!mm) - goto fail_nomem; - -good_mm: tsk->mm = mm; tsk->active_mm = mm; return 0; - -fail_nomem: - return retval; } static int copy_fs(unsigned long clone_flags, struct task_struct *tsk) @@ -1743,7 +1736,7 @@ static int pidfd_release(struct inode *inode, struct file *file) * /proc/<pid>/status where Pid and NSpid are always shown relative to * the pid namespace of the procfs instance. The difference becomes * obvious when sending around a pidfd between pid namespaces from a - * different branch of the tree, i.e. where no ancestoral relation is + * different branch of the tree, i.e. where no ancestral relation is * present between the pid namespaces: * - create two new pid namespaces ns1 and ns2 in the initial pid * namespace (also take care to create new mount namespaces in the @@ -2735,8 +2728,8 @@ static bool clone3_args_valid(struct kernel_clone_args *kargs) return false; /* - * - make the CLONE_DETACHED bit reuseable for clone3 - * - make the CSIGNAL bits reuseable for clone3 + * - make the CLONE_DETACHED bit reusable for clone3 + * - make the CSIGNAL bits reusable for clone3 */ if (kargs->flags & (CLONE_DETACHED | CSIGNAL)) return false; diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig index f62de2dea8a3..58f87a3092f3 100644 --- a/kernel/gcov/Kconfig +++ b/kernel/gcov/Kconfig @@ -4,6 +4,7 @@ menu "GCOV-based kernel profiling" config GCOV_KERNEL bool "Enable gcov-based kernel profiling" depends on DEBUG_FS + depends on !CC_IS_CLANG || CLANG_VERSION >= 110000 select CONSTRUCTORS default n help diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c index 0ffe9f194080..073a3738c5e6 100644 --- a/kernel/gcov/base.c +++ b/kernel/gcov/base.c @@ -49,6 +49,55 @@ void gcov_enable_events(void) mutex_unlock(&gcov_lock); } +/** + * store_gcov_u32 - store 32 bit number in gcov format to buffer + * @buffer: target buffer or NULL + * @off: offset into the buffer + * @v: value to be stored + * + * Number format defined by gcc: numbers are recorded in the 32 bit + * unsigned binary form of the endianness of the machine generating the + * file. Returns the number of bytes stored. If @buffer is %NULL, doesn't + * store anything. + */ +size_t store_gcov_u32(void *buffer, size_t off, u32 v) +{ + u32 *data; + + if (buffer) { + data = buffer + off; + *data = v; + } + + return sizeof(*data); +} + +/** + * store_gcov_u64 - store 64 bit number in gcov format to buffer + * @buffer: target buffer or NULL + * @off: offset into the buffer + * @v: value to be stored + * + * Number format defined by gcc: numbers are recorded in the 32 bit + * unsigned binary form of the endianness of the machine generating the + * file. 64 bit numbers are stored as two 32 bit numbers, the low part + * first. Returns the number of bytes stored. If @buffer is %NULL, doesn't store + * anything. + */ +size_t store_gcov_u64(void *buffer, size_t off, u64 v) +{ + u32 *data; + + if (buffer) { + data = buffer + off; + + data[0] = (v & 0xffffffffUL); + data[1] = (v >> 32); + } + + return sizeof(*data) * 2; +} + #ifdef CONFIG_MODULES /* Update list and generate events when modules are unloaded. */ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event, diff --git a/kernel/gcov/clang.c b/kernel/gcov/clang.c index c466c7fbdece..cbb0bed958ab 100644 --- a/kernel/gcov/clang.c +++ b/kernel/gcov/clang.c @@ -48,9 +48,8 @@ #include <linux/list.h> #include <linux/printk.h> #include <linux/ratelimit.h> -#include <linux/seq_file.h> #include <linux/slab.h> -#include <linux/vmalloc.h> +#include <linux/mm.h> #include "gcov.h" typedef void (*llvm_gcov_callback)(void); @@ -70,16 +69,10 @@ struct gcov_fn_info { u32 ident; u32 checksum; -#if CONFIG_CLANG_VERSION < 110000 - u8 use_extra_checksum; -#endif u32 cfg_checksum; u32 num_counters; u64 *counters; -#if CONFIG_CLANG_VERSION < 110000 - const char *function_name; -#endif }; static struct gcov_info *current_info; @@ -109,16 +102,6 @@ void llvm_gcov_init(llvm_gcov_callback writeout, llvm_gcov_callback flush) } EXPORT_SYMBOL(llvm_gcov_init); -#if CONFIG_CLANG_VERSION < 110000 -void llvm_gcda_start_file(const char *orig_filename, const char version[4], - u32 checksum) -{ - current_info->filename = orig_filename; - memcpy(¤t_info->version, version, sizeof(current_info->version)); - current_info->checksum = checksum; -} -EXPORT_SYMBOL(llvm_gcda_start_file); -#else void llvm_gcda_start_file(const char *orig_filename, u32 version, u32 checksum) { current_info->filename = orig_filename; @@ -126,28 +109,7 @@ void llvm_gcda_start_file(const char *orig_filename, u32 version, u32 checksum) current_info->checksum = checksum; } EXPORT_SYMBOL(llvm_gcda_start_file); -#endif - -#if CONFIG_CLANG_VERSION < 110000 -void llvm_gcda_emit_function(u32 ident, const char *function_name, - u32 func_checksum, u8 use_extra_checksum, u32 cfg_checksum) -{ - struct gcov_fn_info *info = kzalloc(sizeof(*info), GFP_KERNEL); - - if (!info) - return; - - INIT_LIST_HEAD(&info->head); - info->ident = ident; - info->checksum = func_checksum; - info->use_extra_checksum = use_extra_checksum; - info->cfg_checksum = cfg_checksum; - if (function_name) - info->function_name = kstrdup(function_name, GFP_KERNEL); - list_add_tail(&info->head, ¤t_info->functions); -} -#else void llvm_gcda_emit_function(u32 ident, u32 func_checksum, u32 cfg_checksum) { struct gcov_fn_info *info = kzalloc(sizeof(*info), GFP_KERNEL); @@ -161,7 +123,6 @@ void llvm_gcda_emit_function(u32 ident, u32 func_checksum, u32 cfg_checksum) info->cfg_checksum = cfg_checksum; list_add_tail(&info->head, ¤t_info->functions); } -#endif EXPORT_SYMBOL(llvm_gcda_emit_function); void llvm_gcda_emit_arcs(u32 num_counters, u64 *counters) @@ -292,16 +253,8 @@ int gcov_info_is_compatible(struct gcov_info *info1, struct gcov_info *info2) !list_is_last(&fn_ptr2->head, &info2->functions)) { if (fn_ptr1->checksum != fn_ptr2->checksum) return false; -#if CONFIG_CLANG_VERSION < 110000 - if (fn_ptr1->use_extra_checksum != fn_ptr2->use_extra_checksum) - return false; - if (fn_ptr1->use_extra_checksum && - fn_ptr1->cfg_checksum != fn_ptr2->cfg_checksum) - return false; -#else if (fn_ptr1->cfg_checksum != fn_ptr2->cfg_checksum) return false; -#endif fn_ptr1 = list_next_entry(fn_ptr1, head); fn_ptr2 = list_next_entry(fn_ptr2, head); } @@ -330,35 +283,6 @@ void gcov_info_add(struct gcov_info *dst, struct gcov_info *src) } } -#if CONFIG_CLANG_VERSION < 110000 -static struct gcov_fn_info *gcov_fn_info_dup(struct gcov_fn_info *fn) -{ - size_t cv_size; /* counter values size */ - struct gcov_fn_info *fn_dup = kmemdup(fn, sizeof(*fn), - GFP_KERNEL); - if (!fn_dup) - return NULL; - INIT_LIST_HEAD(&fn_dup->head); - - fn_dup->function_name = kstrdup(fn->function_name, GFP_KERNEL); - if (!fn_dup->function_name) - goto err_name; - - cv_size = fn->num_counters * sizeof(fn->counters[0]); - fn_dup->counters = vmalloc(cv_size); - if (!fn_dup->counters) - goto err_counters; - memcpy(fn_dup->counters, fn->counters, cv_size); - - return fn_dup; - -err_counters: - kfree(fn_dup->function_name); -err_name: - kfree(fn_dup); - return NULL; -} -#else static struct gcov_fn_info *gcov_fn_info_dup(struct gcov_fn_info *fn) { size_t cv_size; /* counter values size */ @@ -369,7 +293,7 @@ static struct gcov_fn_info *gcov_fn_info_dup(struct gcov_fn_info *fn) INIT_LIST_HEAD(&fn_dup->head); cv_size = fn->num_counters * sizeof(fn->counters[0]); - fn_dup->counters = vmalloc(cv_size); + fn_dup->counters = kvmalloc(cv_size, GFP_KERNEL); if (!fn_dup->counters) { kfree(fn_dup); return NULL; @@ -379,7 +303,6 @@ static struct gcov_fn_info *gcov_fn_info_dup(struct gcov_fn_info *fn) return fn_dup; } -#endif /** * gcov_info_dup - duplicate profiling data set @@ -420,99 +343,18 @@ err: * gcov_info_free - release memory for profiling data set duplicate * @info: profiling data set duplicate to free */ -#if CONFIG_CLANG_VERSION < 110000 -void gcov_info_free(struct gcov_info *info) -{ - struct gcov_fn_info *fn, *tmp; - - list_for_each_entry_safe(fn, tmp, &info->functions, head) { - kfree(fn->function_name); - vfree(fn->counters); - list_del(&fn->head); - kfree(fn); - } - kfree(info->filename); - kfree(info); -} -#else void gcov_info_free(struct gcov_info *info) { struct gcov_fn_info *fn, *tmp; list_for_each_entry_safe(fn, tmp, &info->functions, head) { - vfree(fn->counters); + kvfree(fn->counters); list_del(&fn->head); kfree(fn); } kfree(info->filename); kfree(info); } -#endif - -#define ITER_STRIDE PAGE_SIZE - -/** - * struct gcov_iterator - specifies current file position in logical records - * @info: associated profiling data - * @buffer: buffer containing file data - * @size: size of buffer - * @pos: current position in file - */ -struct gcov_iterator { - struct gcov_info *info; - void *buffer; - size_t size; - loff_t pos; -}; - -/** - * store_gcov_u32 - store 32 bit number in gcov format to buffer - * @buffer: target buffer or NULL - * @off: offset into the buffer - * @v: value to be stored - * - * Number format defined by gcc: numbers are recorded in the 32 bit - * unsigned binary form of the endianness of the machine generating the - * file. Returns the number of bytes stored. If @buffer is %NULL, doesn't - * store anything. - */ -static size_t store_gcov_u32(void *buffer, size_t off, u32 v) -{ - u32 *data; - - if (buffer) { - data = buffer + off; - *data = v; - } - - return sizeof(*data); -} - -/** - * store_gcov_u64 - store 64 bit number in gcov format to buffer - * @buffer: target buffer or NULL - * @off: offset into the buffer - * @v: value to be stored - * - * Number format defined by gcc: numbers are recorded in the 32 bit - * unsigned binary form of the endianness of the machine generating the - * file. 64 bit numbers are stored as two 32 bit numbers, the low part - * first. Returns the number of bytes stored. If @buffer is %NULL, doesn't store - * anything. - */ -static size_t store_gcov_u64(void *buffer, size_t off, u64 v) -{ - u32 *data; - - if (buffer) { - data = buffer + off; - - data[0] = (v & 0xffffffffUL); - data[1] = (v >> 32); - } - - return sizeof(*data) * 2; -} /** * convert_to_gcda - convert profiling data set to gcda file format @@ -521,7 +363,7 @@ static size_t store_gcov_u64(void *buffer, size_t off, u64 v) * * Returns the number of bytes that were/would have been stored into the buffer. */ -static size_t convert_to_gcda(char *buffer, struct gcov_info *info) +size_t convert_to_gcda(char *buffer, struct gcov_info *info) { struct gcov_fn_info *fi_ptr; size_t pos = 0; @@ -535,21 +377,10 @@ static size_t convert_to_gcda(char *buffer, struct gcov_info *info) u32 i; pos += store_gcov_u32(buffer, pos, GCOV_TAG_FUNCTION); -#if CONFIG_CLANG_VERSION < 110000 - pos += store_gcov_u32(buffer, pos, - fi_ptr->use_extra_checksum ? 3 : 2); -#else pos += store_gcov_u32(buffer, pos, 3); -#endif pos += store_gcov_u32(buffer, pos, fi_ptr->ident); pos += store_gcov_u32(buffer, pos, fi_ptr->checksum); -#if CONFIG_CLANG_VERSION < 110000 - if (fi_ptr->use_extra_checksum) - pos += store_gcov_u32(buffer, pos, fi_ptr->cfg_checksum); -#else pos += store_gcov_u32(buffer, pos, fi_ptr->cfg_checksum); -#endif - pos += store_gcov_u32(buffer, pos, GCOV_TAG_COUNTER_BASE); pos += store_gcov_u32(buffer, pos, fi_ptr->num_counters * 2); for (i = 0; i < fi_ptr->num_counters; i++) @@ -558,102 +389,3 @@ static size_t convert_to_gcda(char *buffer, struct gcov_info *info) return pos; } - -/** - * gcov_iter_new - allocate and initialize profiling data iterator - * @info: profiling data set to be iterated - * - * Return file iterator on success, %NULL otherwise. - */ -struct gcov_iterator *gcov_iter_new(struct gcov_info *info) -{ - struct gcov_iterator *iter; - - iter = kzalloc(sizeof(struct gcov_iterator), GFP_KERNEL); - if (!iter) - goto err_free; - - iter->info = info; - /* Dry-run to get the actual buffer size. */ - iter->size = convert_to_gcda(NULL, info); - iter->buffer = vmalloc(iter->size); - if (!iter->buffer) - goto err_free; - - convert_to_gcda(iter->buffer, info); - - return iter; - -err_free: - kfree(iter); - return NULL; -} - - -/** - * gcov_iter_get_info - return profiling data set for given file iterator - * @iter: file iterator - */ -void gcov_iter_free(struct gcov_iterator *iter) -{ - vfree(iter->buffer); - kfree(iter); -} - -/** - * gcov_iter_get_info - return profiling data set for given file iterator - * @iter: file iterator - */ -struct gcov_info *gcov_iter_get_info(struct gcov_iterator *iter) -{ - return iter->info; -} - -/** - * gcov_iter_start - reset file iterator to starting position - * @iter: file iterator - */ -void gcov_iter_start(struct gcov_iterator *iter) -{ - iter->pos = 0; -} - -/** - * gcov_iter_next - advance file iterator to next logical record - * @iter: file iterator - * - * Return zero if new position is valid, non-zero if iterator has reached end. - */ -int gcov_iter_next(struct gcov_iterator *iter) -{ - if (iter->pos < iter->size) - iter->pos += ITER_STRIDE; - - if (iter->pos >= iter->size) - return -EINVAL; - - return 0; -} - -/** - * gcov_iter_write - write data for current pos to seq_file - * @iter: file iterator - * @seq: seq_file handle - * - * Return zero on success, non-zero otherwise. - */ -int gcov_iter_write(struct gcov_iterator *iter, struct seq_file *seq) -{ - size_t len; - - if (iter->pos >= iter->size) - return -EINVAL; - - len = ITER_STRIDE; - if (iter->pos + len > iter->size) - len = iter->size - iter->pos; - - seq_write(seq, iter->buffer + iter->pos, len); - - return 0; -} diff --git a/kernel/gcov/fs.c b/kernel/gcov/fs.c index 82babf5aa077..5c3086cad8f9 100644 --- a/kernel/gcov/fs.c +++ b/kernel/gcov/fs.c @@ -26,6 +26,7 @@ #include <linux/slab.h> #include <linux/mutex.h> #include <linux/seq_file.h> +#include <linux/mm.h> #include "gcov.h" /** @@ -85,6 +86,115 @@ static int __init gcov_persist_setup(char *str) } __setup("gcov_persist=", gcov_persist_setup); +#define ITER_STRIDE PAGE_SIZE + +/** + * struct gcov_iterator - specifies current file position in logical records + * @info: associated profiling data + * @buffer: buffer containing file data + * @size: size of buffer + * @pos: current position in file + */ +struct gcov_iterator { + struct gcov_info *info; + size_t size; + loff_t pos; + char buffer[]; +}; + +/** + * gcov_iter_new - allocate and initialize profiling data iterator + * @info: profiling data set to be iterated + * + * Return file iterator on success, %NULL otherwise. + */ +static struct gcov_iterator *gcov_iter_new(struct gcov_info *info) +{ + struct gcov_iterator *iter; + size_t size; + + /* Dry-run to get the actual buffer size. */ + size = convert_to_gcda(NULL, info); + + iter = kvmalloc(struct_size(iter, buffer, size), GFP_KERNEL); + if (!iter) + return NULL; + + iter->info = info; + iter->size = size; + convert_to_gcda(iter->buffer, info); + + return iter; +} + + +/** + * gcov_iter_free - free iterator data + * @iter: file iterator + */ +static void gcov_iter_free(struct gcov_iterator *iter) +{ + kvfree(iter); +} + +/** + * gcov_iter_get_info - return profiling data set for given file iterator + * @iter: file iterator + */ +static struct gcov_info *gcov_iter_get_info(struct gcov_iterator *iter) +{ + return iter->info; +} + +/** + * gcov_iter_start - reset file iterator to starting position + * @iter: file iterator + */ +static void gcov_iter_start(struct gcov_iterator *iter) +{ + iter->pos = 0; +} + +/** + * gcov_iter_next - advance file iterator to next logical record + * @iter: file iterator + * + * Return zero if new position is valid, non-zero if iterator has reached end. + */ +static int gcov_iter_next(struct gcov_iterator *iter) +{ + if (iter->pos < iter->size) + iter->pos += ITER_STRIDE; + + if (iter->pos >= iter->size) + return -EINVAL; + + return 0; +} + +/** + * gcov_iter_write - write data for current pos to seq_file + * @iter: file iterator + * @seq: seq_file handle + * + * Return zero on success, non-zero otherwise. + */ +static int gcov_iter_write(struct gcov_iterator *iter, struct seq_file *seq) +{ + size_t len; + + if (iter->pos >= iter->size) + return -EINVAL; + + len = ITER_STRIDE; + if (iter->pos + len > iter->size) + len = iter->size - iter->pos; + + seq_write(seq, iter->buffer + iter->pos, len); + + return 0; +} + /* * seq_file.start() implementation for gcov data files. Note that the * gcov_iterator interface is designed to be more restrictive than seq_file diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c index c53408a00d0b..460c12b7dfea 100644 --- a/kernel/gcov/gcc_4_7.c +++ b/kernel/gcov/gcc_4_7.c @@ -15,8 +15,7 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/seq_file.h> -#include <linux/vmalloc.h> +#include <linux/mm.h> #include "gcov.h" #if (__GNUC__ >= 10) @@ -310,7 +309,7 @@ struct gcov_info *gcov_info_dup(struct gcov_info *info) cv_size = sizeof(gcov_type) * sci_ptr->num; - dci_ptr->values = vmalloc(cv_size); + dci_ptr->values = kvmalloc(cv_size, GFP_KERNEL); if (!dci_ptr->values) goto err_free; @@ -352,7 +351,7 @@ void gcov_info_free(struct gcov_info *info) ci_ptr = info->functions[fi_idx]->ctrs; for (ct_idx = 0; ct_idx < active; ct_idx++, ci_ptr++) - vfree(ci_ptr->values); + kvfree(ci_ptr->values); kfree(info->functions[fi_idx]); } @@ -363,71 +362,6 @@ free_info: kfree(info); } -#define ITER_STRIDE PAGE_SIZE - -/** - * struct gcov_iterator - specifies current file position in logical records - * @info: associated profiling data - * @buffer: buffer containing file data - * @size: size of buffer - * @pos: current position in file - */ -struct gcov_iterator { - struct gcov_info *info; - void *buffer; - size_t size; - loff_t pos; -}; - -/** - * store_gcov_u32 - store 32 bit number in gcov format to buffer - * @buffer: target buffer or NULL - * @off: offset into the buffer - * @v: value to be stored - * - * Number format defined by gcc: numbers are recorded in the 32 bit - * unsigned binary form of the endianness of the machine generating the - * file. Returns the number of bytes stored. If @buffer is %NULL, doesn't - * store anything. - */ -static size_t store_gcov_u32(void *buffer, size_t off, u32 v) -{ - u32 *data; - - if (buffer) { - data = buffer + off; - *data = v; - } - - return sizeof(*data); -} - -/** - * store_gcov_u64 - store 64 bit number in gcov format to buffer - * @buffer: target buffer or NULL - * @off: offset into the buffer - * @v: value to be stored - * - * Number format defined by gcc: numbers are recorded in the 32 bit - * unsigned binary form of the endianness of the machine generating the - * file. 64 bit numbers are stored as two 32 bit numbers, the low part - * first. Returns the number of bytes stored. If @buffer is %NULL, doesn't store - * anything. - */ -static size_t store_gcov_u64(void *buffer, size_t off, u64 v) -{ - u32 *data; - - if (buffer) { - data = buffer + off; - - data[0] = (v & 0xffffffffUL); - data[1] = (v >> 32); - } - - return sizeof(*data) * 2; -} - /** * convert_to_gcda - convert profiling data set to gcda file format * @buffer: the buffer to store file data or %NULL if no data should be stored @@ -435,7 +369,7 @@ static size_t store_gcov_u64(void *buffer, size_t off, u64 v) * * Returns the number of bytes that were/would have been stored into the buffer. */ -static size_t convert_to_gcda(char *buffer, struct gcov_info *info) +size_t convert_to_gcda(char *buffer, struct gcov_info *info) { struct gcov_fn_info *fi_ptr; struct gcov_ctr_info *ci_ptr; @@ -481,102 +415,3 @@ static size_t convert_to_gcda(char *buffer, struct gcov_info *info) return pos; } - -/** - * gcov_iter_new - allocate and initialize profiling data iterator - * @info: profiling data set to be iterated - * - * Return file iterator on success, %NULL otherwise. - */ -struct gcov_iterator *gcov_iter_new(struct gcov_info *info) -{ - struct gcov_iterator *iter; - - iter = kzalloc(sizeof(struct gcov_iterator), GFP_KERNEL); - if (!iter) - goto err_free; - - iter->info = info; - /* Dry-run to get the actual buffer size. */ - iter->size = convert_to_gcda(NULL, info); - iter->buffer = vmalloc(iter->size); - if (!iter->buffer) - goto err_free; - - convert_to_gcda(iter->buffer, info); - - return iter; - -err_free: - kfree(iter); - return NULL; -} - - -/** - * gcov_iter_get_info - return profiling data set for given file iterator - * @iter: file iterator - */ -void gcov_iter_free(struct gcov_iterator *iter) -{ - vfree(iter->buffer); - kfree(iter); -} - -/** - * gcov_iter_get_info - return profiling data set for given file iterator - * @iter: file iterator - */ -struct gcov_info *gcov_iter_get_info(struct gcov_iterator *iter) -{ - return iter->info; -} - -/** - * gcov_iter_start - reset file iterator to starting position - * @iter: file iterator - */ -void gcov_iter_start(struct gcov_iterator *iter) -{ - iter->pos = 0; -} - -/** - * gcov_iter_next - advance file iterator to next logical record - * @iter: file iterator - * - * Return zero if new position is valid, non-zero if iterator has reached end. - */ -int gcov_iter_next(struct gcov_iterator *iter) -{ - if (iter->pos < iter->size) - iter->pos += ITER_STRIDE; - - if (iter->pos >= iter->size) - return -EINVAL; - - return 0; -} - -/** - * gcov_iter_write - write data for current pos to seq_file - * @iter: file iterator - * @seq: seq_file handle - * - * Return zero on success, non-zero otherwise. - */ -int gcov_iter_write(struct gcov_iterator *iter, struct seq_file *seq) -{ - size_t len; - - if (iter->pos >= iter->size) - return -EINVAL; - - len = ITER_STRIDE; - if (iter->pos + len > iter->size) - len = iter->size - iter->pos; - - seq_write(seq, iter->buffer + iter->pos, len); - - return 0; -} diff --git a/kernel/gcov/gcov.h b/kernel/gcov/gcov.h index 6ab2c1808c9d..912b8ea01d33 100644 --- a/kernel/gcov/gcov.h +++ b/kernel/gcov/gcov.h @@ -48,6 +48,7 @@ struct gcov_info *gcov_info_next(struct gcov_info *info); void gcov_info_link(struct gcov_info *info); void gcov_info_unlink(struct gcov_info *prev, struct gcov_info *info); bool gcov_info_within_module(struct gcov_info *info, struct module *mod); +size_t convert_to_gcda(char *buffer, struct gcov_info *info); /* Base interface. */ enum gcov_action { @@ -58,16 +59,9 @@ enum gcov_action { void gcov_event(enum gcov_action action, struct gcov_info *info); void gcov_enable_events(void); -/* Iterator control. */ -struct seq_file; -struct gcov_iterator; - -struct gcov_iterator *gcov_iter_new(struct gcov_info *info); -void gcov_iter_free(struct gcov_iterator *iter); -void gcov_iter_start(struct gcov_iterator *iter); -int gcov_iter_next(struct gcov_iterator *iter); -int gcov_iter_write(struct gcov_iterator *iter, struct seq_file *seq); -struct gcov_info *gcov_iter_get_info(struct gcov_iterator *iter); +/* writing helpers */ +size_t store_gcov_u32(void *buffer, size_t off, u32 v); +size_t store_gcov_u64(void *buffer, size_t off, u64 v); /* gcov_info control. */ void gcov_info_reset(struct gcov_info *info); diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index a0b6780740c8..f099baee3578 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -37,6 +37,7 @@ #include <linux/compiler.h> #include <linux/hugetlb.h> #include <linux/objtool.h> +#include <linux/kmsg_dump.h> #include <asm/page.h> #include <asm/sections.h> @@ -1165,7 +1166,7 @@ int kernel_kexec(void) #endif { kexec_in_progress = true; - kernel_restart_prepare(NULL); + kernel_restart_prepare("kexec reboot"); migrate_to_reboot_cpu(); /* @@ -1179,6 +1180,7 @@ int kernel_kexec(void) machine_shutdown(); } + kmsg_dump(KMSG_DUMP_SHUTDOWN); machine_kexec(kexec_image); #ifdef CONFIG_KEXEC_JUMP diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 5c3447cf7ad5..33400ff051a8 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -740,8 +740,10 @@ static int kexec_calculate_store_digests(struct kimage *image) sha_region_sz = KEXEC_SEGMENT_MAX * sizeof(struct kexec_sha_region); sha_regions = vzalloc(sha_region_sz); - if (!sha_regions) + if (!sha_regions) { + ret = -ENOMEM; goto out_free_desc; + } desc->tfm = tfm; diff --git a/kernel/kmod.c b/kernel/kmod.c index 3cd075ce2a1e..b717134ebe17 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -58,7 +58,7 @@ static DECLARE_WAIT_QUEUE_HEAD(kmod_wq); /* modprobe_path is set via /proc/sys. */ -char modprobe_path[KMOD_PATH_LEN] = "/sbin/modprobe"; +char modprobe_path[KMOD_PATH_LEN] = CONFIG_MODPROBE_PATH; static void free_modprobe_argv(struct subprocess_info *info) { diff --git a/kernel/resource.c b/kernel/resource.c index 627e61b0c124..028a5ab18818 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -64,12 +64,8 @@ static DEFINE_RWLOCK(resource_lock); static struct resource *bootmem_resource_free; static DEFINE_SPINLOCK(bootmem_resource_lock); -static struct resource *next_resource(struct resource *p, bool sibling_only) +static struct resource *next_resource(struct resource *p) { - /* Caller wants to traverse through siblings only */ - if (sibling_only) - return p->sibling; - if (p->child) return p->child; while (!p->sibling && p->parent) @@ -81,7 +77,7 @@ static void *r_next(struct seq_file *m, void *v, loff_t *pos) { struct resource *p = v; (*pos)++; - return (void *)next_resource(p, false); + return (void *)next_resource(p); } #ifdef CONFIG_PROC_FS @@ -330,14 +326,10 @@ EXPORT_SYMBOL(release_resource); * of the resource that's within [@start..@end]; if none is found, returns * -ENODEV. Returns -EINVAL for invalid parameters. * - * This function walks the whole tree and not just first level children - * unless @first_lvl is true. - * * @start: start address of the resource searched for * @end: end address of same resource * @flags: flags which the resource must have * @desc: descriptor the resource must have - * @first_lvl: walk only the first level children, if set * @res: return ptr, if resource found * * The caller must specify @start, @end, @flags, and @desc @@ -345,9 +337,8 @@ EXPORT_SYMBOL(release_resource); */ static int find_next_iomem_res(resource_size_t start, resource_size_t end, unsigned long flags, unsigned long desc, - bool first_lvl, struct resource *res) + struct resource *res) { - bool siblings_only = true; struct resource *p; if (!res) @@ -358,7 +349,7 @@ static int find_next_iomem_res(resource_size_t start, resource_size_t end, read_lock(&resource_lock); - for (p = iomem_resource.child; p; p = next_resource(p, siblings_only)) { + for (p = iomem_resource.child; p; p = next_resource(p)) { /* If we passed the resource we are looking for, stop */ if (p->start > end) { p = NULL; @@ -369,13 +360,6 @@ static int find_next_iomem_res(resource_size_t start, resource_size_t end, if (p->end < start) continue; - /* - * Now that we found a range that matches what we look for, - * check the flags and the descriptor. If we were not asked to - * use only the first level, start looking at children as well. - */ - siblings_only = first_lvl; - if ((p->flags & flags) != flags) continue; if ((desc != IORES_DESC_NONE) && (desc != p->desc)) @@ -402,14 +386,14 @@ static int find_next_iomem_res(resource_size_t start, resource_size_t end, static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end, unsigned long flags, unsigned long desc, - bool first_lvl, void *arg, + void *arg, int (*func)(struct resource *, void *)) { struct resource res; int ret = -EINVAL; while (start < end && - !find_next_iomem_res(start, end, flags, desc, first_lvl, &res)) { + !find_next_iomem_res(start, end, flags, desc, &res)) { ret = (*func)(&res, arg); if (ret) break; @@ -431,7 +415,6 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end, * @arg: function argument for the callback @func * @func: callback function that is called for each qualifying resource area * - * This walks through whole tree and not just first level children. * All the memory ranges which overlap start,end and also match flags and * desc are valid candidates. * @@ -441,7 +424,7 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end, int walk_iomem_res_desc(unsigned long desc, unsigned long flags, u64 start, u64 end, void *arg, int (*func)(struct resource *, void *)) { - return __walk_iomem_res_desc(start, end, flags, desc, false, arg, func); + return __walk_iomem_res_desc(start, end, flags, desc, arg, func); } EXPORT_SYMBOL_GPL(walk_iomem_res_desc); @@ -457,8 +440,8 @@ int walk_system_ram_res(u64 start, u64 end, void *arg, { unsigned long flags = IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY; - return __walk_iomem_res_desc(start, end, flags, IORES_DESC_NONE, true, - arg, func); + return __walk_iomem_res_desc(start, end, flags, IORES_DESC_NONE, arg, + func); } /* @@ -470,17 +453,14 @@ int walk_mem_res(u64 start, u64 end, void *arg, { unsigned long flags = IORESOURCE_MEM | IORESOURCE_BUSY; - return __walk_iomem_res_desc(start, end, flags, IORES_DESC_NONE, true, - arg, func); + return __walk_iomem_res_desc(start, end, flags, IORES_DESC_NONE, arg, + func); } /* * This function calls the @func callback against all memory ranges of type * System RAM which are marked as IORESOURCE_SYSTEM_RAM and IORESOUCE_BUSY. * It is to be used only for System RAM. - * - * This will find System RAM ranges that are children of top-level resources - * in addition to top-level System RAM resources. */ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages, void *arg, int (*func)(unsigned long, unsigned long, void *)) @@ -495,8 +475,7 @@ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages, end = ((u64)(start_pfn + nr_pages) << PAGE_SHIFT) - 1; flags = IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY; while (start < end && - !find_next_iomem_res(start, end, flags, IORES_DESC_NONE, - false, &res)) { + !find_next_iomem_res(start, end, flags, IORES_DESC_NONE, &res)) { pfn = PFN_UP(res.start); end_pfn = PFN_DOWN(res.end + 1); if (end_pfn > pfn) @@ -523,6 +502,34 @@ int __weak page_is_ram(unsigned long pfn) } EXPORT_SYMBOL_GPL(page_is_ram); +static int __region_intersects(resource_size_t start, size_t size, + unsigned long flags, unsigned long desc) +{ + struct resource res; + int type = 0; int other = 0; + struct resource *p; + + res.start = start; + res.end = start + size - 1; + + for (p = iomem_resource.child; p ; p = p->sibling) { + bool is_type = (((p->flags & flags) == flags) && + ((desc == IORES_DESC_NONE) || + (desc == p->desc))); + + if (resource_overlaps(p, &res)) + is_type ? type++ : other++; + } + + if (type == 0) + return REGION_DISJOINT; + + if (other == 0) + return REGION_INTERSECTS; + + return REGION_MIXED; +} + /** * region_intersects() - determine intersection of region with known resources * @start: region start address @@ -546,31 +553,13 @@ EXPORT_SYMBOL_GPL(page_is_ram); int region_intersects(resource_size_t start, size_t size, unsigned long flags, unsigned long desc) { - struct resource res; - int type = 0; int other = 0; - struct resource *p; - - res.start = start; - res.end = start + size - 1; + int ret; read_lock(&resource_lock); - for (p = iomem_resource.child; p ; p = p->sibling) { - bool is_type = (((p->flags & flags) == flags) && - ((desc == IORES_DESC_NONE) || - (desc == p->desc))); - - if (resource_overlaps(p, &res)) - is_type ? type++ : other++; - } + ret = __region_intersects(start, size, flags, desc); read_unlock(&resource_lock); - if (type == 0) - return REGION_DISJOINT; - - if (other == 0) - return REGION_INTERSECTS; - - return REGION_MIXED; + return ret; } EXPORT_SYMBOL_GPL(region_intersects); @@ -1171,31 +1160,16 @@ struct address_space *iomem_get_mapping(void) return smp_load_acquire(&iomem_inode)->i_mapping; } -/** - * __request_region - create a new busy resource region - * @parent: parent resource descriptor - * @start: resource start address - * @n: resource region size - * @name: reserving caller's ID string - * @flags: IO resource flags - */ -struct resource * __request_region(struct resource *parent, +static int __request_region_locked(struct resource *res, struct resource *parent, resource_size_t start, resource_size_t n, const char *name, int flags) { DECLARE_WAITQUEUE(wait, current); - struct resource *res = alloc_resource(GFP_KERNEL); - struct resource *orig_parent = parent; - - if (!res) - return NULL; res->name = name; res->start = start; res->end = start + n - 1; - write_lock(&resource_lock); - for (;;) { struct resource *conflict; @@ -1231,13 +1205,40 @@ struct resource * __request_region(struct resource *parent, continue; } /* Uhhuh, that didn't work out.. */ - free_resource(res); - res = NULL; - break; + return -EBUSY; } + + return 0; +} + +/** + * __request_region - create a new busy resource region + * @parent: parent resource descriptor + * @start: resource start address + * @n: resource region size + * @name: reserving caller's ID string + * @flags: IO resource flags + */ +struct resource *__request_region(struct resource *parent, + resource_size_t start, resource_size_t n, + const char *name, int flags) +{ + struct resource *res = alloc_resource(GFP_KERNEL); + int ret; + + if (!res) + return NULL; + + write_lock(&resource_lock); + ret = __request_region_locked(res, parent, start, n, name, flags); write_unlock(&resource_lock); - if (res && orig_parent == &iomem_resource) + if (ret) { + free_resource(res); + return NULL; + } + + if (parent == &iomem_resource) revoke_iomem(res); return res; @@ -1779,25 +1780,56 @@ static struct resource *__request_free_mem_region(struct device *dev, { resource_size_t end, addr; struct resource *res; + struct region_devres *dr = NULL; size = ALIGN(size, 1UL << PA_SECTION_SHIFT); end = min_t(unsigned long, base->end, (1UL << MAX_PHYSMEM_BITS) - 1); addr = end - size + 1UL; + res = alloc_resource(GFP_KERNEL); + if (!res) + return ERR_PTR(-ENOMEM); + + if (dev) { + dr = devres_alloc(devm_region_release, + sizeof(struct region_devres), GFP_KERNEL); + if (!dr) { + free_resource(res); + return ERR_PTR(-ENOMEM); + } + } + + write_lock(&resource_lock); for (; addr > size && addr >= base->start; addr -= size) { - if (region_intersects(addr, size, 0, IORES_DESC_NONE) != + if (__region_intersects(addr, size, 0, IORES_DESC_NONE) != REGION_DISJOINT) continue; - if (dev) - res = devm_request_mem_region(dev, addr, size, name); - else - res = request_mem_region(addr, size, name); - if (!res) - return ERR_PTR(-ENOMEM); + if (!__request_region_locked(res, &iomem_resource, addr, size, + name, 0)) + break; + + if (dev) { + dr->parent = &iomem_resource; + dr->start = addr; + dr->n = size; + devres_add(dev, dr); + } + res->desc = IORES_DESC_DEVICE_PRIVATE_MEMORY; + write_unlock(&resource_lock); + + /* + * A driver is claiming this region so revoke any mappings. + */ + revoke_iomem(res); return res; } + write_unlock(&resource_lock); + + free_resource(res); + if (dr) + devres_free(dr); return ERR_PTR(-ERANGE); } diff --git a/kernel/sys.c b/kernel/sys.c index 3d62c9599dc0..3a583a29815f 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1590,7 +1590,7 @@ int do_prlimit(struct task_struct *tsk, unsigned int resource, /* * RLIMIT_CPU handling. Arm the posix CPU timer if the limit is not - * infite. In case of RLIM_INFINITY the posix CPU timer code + * infinite. In case of RLIM_INFINITY the posix CPU timer code * ignores the rlimit. */ if (!retval && new_rlim && resource == RLIMIT_CPU && @@ -2029,7 +2029,7 @@ static int prctl_set_mm_map(int opt, const void __user *addr, unsigned long data } /* - * arg_lock protects concurent updates but we still need mmap_lock for + * arg_lock protects concurrent updates but we still need mmap_lock for * read to exclude races with sys_brk. */ mmap_read_lock(mm); @@ -2041,7 +2041,7 @@ static int prctl_set_mm_map(int opt, const void __user *addr, unsigned long data * output in procfs mostly, except * * - @start_brk/@brk which are used in do_brk_flags but kernel lookups - * for VMAs when updating these memvers so anything wrong written + * for VMAs when updating these members so anything wrong written * here cause kernel to swear at userspace program but won't lead * to any problem in kernel itself */ @@ -2143,7 +2143,7 @@ static int prctl_set_mm(int opt, unsigned long addr, error = -EINVAL; /* - * arg_lock protects concurent updates of arg boundaries, we need + * arg_lock protects concurrent updates of arg boundaries, we need * mmap_lock for a) concurrent sys_brk, b) finding VMA for addr * validation. */ @@ -2210,7 +2210,7 @@ static int prctl_set_mm(int opt, unsigned long addr, * If command line arguments and environment * are placed somewhere else on stack, we can * set them up here, ARG_START/END to setup - * command line argumets and ENV_START/END + * command line arguments and ENV_START/END * for environment. */ case PR_SET_MM_START_STACK: @@ -2258,8 +2258,8 @@ static int prctl_get_tid_address(struct task_struct *me, int __user * __user *ti static int propagate_has_child_subreaper(struct task_struct *p, void *data) { /* - * If task has has_child_subreaper - all its decendants - * already have these flag too and new decendants will + * If task has has_child_subreaper - all its descendants + * already have these flag too and new descendants will * inherit it on fork, skip them. * * If we've found child_reaper - skip descendants in diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 792b5589ba64..2e8a3fde7104 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -5624,7 +5624,10 @@ int ftrace_regex_release(struct inode *inode, struct file *file) parser = &iter->parser; if (trace_parser_loaded(parser)) { - ftrace_match_records(iter->hash, parser->buffer, parser->idx); + int enable = !(iter->flags & FTRACE_ITER_NOTRACE); + + ftrace_process_regex(iter, parser->buffer, + parser->idx, enable); } trace_parser_put(parser); diff --git a/kernel/umh.c b/kernel/umh.c index 3f646613a9d3..36c123360ab8 100644 --- a/kernel/umh.c +++ b/kernel/umh.c @@ -27,6 +27,7 @@ #include <linux/ptrace.h> #include <linux/async.h> #include <linux/uaccess.h> +#include <linux/initrd.h> #include <trace/events/module.h> @@ -107,6 +108,7 @@ static int call_usermodehelper_exec_async(void *data) commit_creds(new); + wait_for_initramfs(); retval = kernel_execve(sub_info->path, (const char *const *)sub_info->argv, (const char *const *)sub_info->envp); @@ -336,8 +338,8 @@ static void helper_unlock(void) * @argv: arg vector for process * @envp: environment for process * @gfp_mask: gfp mask for memory allocation - * @cleanup: a cleanup function * @init: an init function + * @cleanup: a cleanup function * @data: arbitrary context sensitive data * * Returns either %NULL on allocation failure, or a subprocess_info @@ -348,7 +350,7 @@ static void helper_unlock(void) * exec. A non-zero return code causes the process to error out, exit, * and return the failure to the calling process * - * The cleanup function is just before ethe subprocess_info is about to + * The cleanup function is just before the subprocess_info is about to * be freed. This can be used for freeing the argv and envp. The * Function must be runnable in either a process context or the * context in which call_usermodehelper_exec is called. @@ -384,7 +386,7 @@ EXPORT_SYMBOL(call_usermodehelper_setup); /** * call_usermodehelper_exec - start a usermode application - * @sub_info: information about the subprocessa + * @sub_info: information about the subprocess * @wait: wait for the application to finish and return status. * when UMH_NO_WAIT don't wait at all, but you get no useful error back * when the program couldn't be exec'ed. This makes it safe to call diff --git a/kernel/up.c b/kernel/up.c index bf20b4a9af60..df50828cc2f0 100644 --- a/kernel/up.c +++ b/kernel/up.c @@ -38,7 +38,7 @@ EXPORT_SYMBOL(smp_call_function_single_async); /* * Preemption is disabled here to make sure the cond_func is called under the - * same condtions in UP and SMP. + * same conditions in UP and SMP. */ void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func, void *info, bool wait, const struct cpumask *mask) diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c index 9a4b980d695b..8d62863721b0 100644 --- a/kernel/user_namespace.c +++ b/kernel/user_namespace.c @@ -85,7 +85,7 @@ int create_user_ns(struct cred *new) /* * Verify that we can not violate the policy of which files * may be accessed that is specified by the root directory, - * by verifing that the root directory is at the root of the + * by verifying that the root directory is at the root of the * mount namespace which allows all files to be accessed. */ ret = -EPERM; @@ -1014,7 +1014,7 @@ static ssize_t map_write(struct file *file, const char __user *buf, goto out; ret = -EINVAL; } - /* Be very certaint the new map actually exists */ + /* Be very certain the new map actually exists */ if (new_map.nr_extents == 0) goto out; @@ -1169,7 +1169,7 @@ static bool new_idmap_permitted(const struct file *file, /* Allow the specified ids if we have the appropriate capability * (CAP_SETUID or CAP_SETGID) over the parent user namespace. - * And the opener of the id file also had the approprpiate capability. + * And the opener of the id file also has the appropriate capability. */ if (ns_capable(ns->parent, cap_setid) && file_ns_capable(file, ns->parent, cap_setid)) diff --git a/lib/.gitignore b/lib/.gitignore index 327cb2c7f2c9..5e7fa54c4536 100644 --- a/lib/.gitignore +++ b/lib/.gitignore @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only -gen_crc32table -gen_crc64table -crc32table.h -crc64table.h -oid_registry_data.c +/crc32table.h +/crc64table.h +/gen_crc32table +/gen_crc64table +/oid_registry_data.c diff --git a/lib/bch.c b/lib/bch.c index 7c031ee8b93b..c8095f30f254 100644 --- a/lib/bch.c +++ b/lib/bch.c @@ -584,7 +584,7 @@ static int find_affine4_roots(struct bch_control *bch, unsigned int a, k = a_log(bch, a); rows[0] = c; - /* buid linear system to solve X^4+aX^2+bX+c = 0 */ + /* build linear system to solve X^4+aX^2+bX+c = 0 */ for (i = 0; i < m; i++) { rows[i+1] = bch->a_pow_tab[4*i]^ (a ? bch->a_pow_tab[mod_s(bch, k)] : 0)^ diff --git a/lib/crc8.c b/lib/crc8.c index 595a5a75e3cd..1ad8e501d9b6 100644 --- a/lib/crc8.c +++ b/lib/crc8.c @@ -71,7 +71,7 @@ EXPORT_SYMBOL(crc8_populate_lsb); * @nbytes: number of bytes in data buffer. * @crc: previous returned crc8 value. */ -u8 crc8(const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes, u8 crc) +u8 crc8(const u8 table[CRC8_TABLE_SIZE], const u8 *pdata, size_t nbytes, u8 crc) { /* loop over the buffer data */ while (nbytes-- > 0) diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c index 1cf409ef8d04..20a858031f12 100644 --- a/lib/decompress_unlzma.c +++ b/lib/decompress_unlzma.c @@ -391,7 +391,7 @@ static inline int INIT process_bit0(struct writer *wr, struct rc *rc, static inline int INIT process_bit1(struct writer *wr, struct rc *rc, struct cstate *cst, uint16_t *p, int pos_state, uint16_t *prob) { - int offset; + int offset; uint16_t *prob_len; int num_bits; int len; diff --git a/lib/find_bit.c b/lib/find_bit.c index f67f86fd2f62..0f8e2e369b1d 100644 --- a/lib/find_bit.c +++ b/lib/find_bit.c @@ -29,7 +29,7 @@ * searching it for one bits. * - The optional "addr2", which is anded with "addr1" if present. */ -static unsigned long _find_next_bit(const unsigned long *addr1, +unsigned long _find_next_bit(const unsigned long *addr1, const unsigned long *addr2, unsigned long nbits, unsigned long start, unsigned long invert, unsigned long le) { @@ -68,44 +68,14 @@ static unsigned long _find_next_bit(const unsigned long *addr1, return min(start + __ffs(tmp), nbits); } -#endif - -#ifndef find_next_bit -/* - * Find the next set bit in a memory region. - */ -unsigned long find_next_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - return _find_next_bit(addr, NULL, size, offset, 0UL, 0); -} -EXPORT_SYMBOL(find_next_bit); -#endif - -#ifndef find_next_zero_bit -unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - return _find_next_bit(addr, NULL, size, offset, ~0UL, 0); -} -EXPORT_SYMBOL(find_next_zero_bit); -#endif - -#if !defined(find_next_and_bit) -unsigned long find_next_and_bit(const unsigned long *addr1, - const unsigned long *addr2, unsigned long size, - unsigned long offset) -{ - return _find_next_bit(addr1, addr2, size, offset, 0UL, 0); -} -EXPORT_SYMBOL(find_next_and_bit); +EXPORT_SYMBOL(_find_next_bit); #endif #ifndef find_first_bit /* * Find the first set bit in a memory region. */ -unsigned long find_first_bit(const unsigned long *addr, unsigned long size) +unsigned long _find_first_bit(const unsigned long *addr, unsigned long size) { unsigned long idx; @@ -116,14 +86,14 @@ unsigned long find_first_bit(const unsigned long *addr, unsigned long size) return size; } -EXPORT_SYMBOL(find_first_bit); +EXPORT_SYMBOL(_find_first_bit); #endif #ifndef find_first_zero_bit /* * Find the first cleared bit in a memory region. */ -unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) +unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size) { unsigned long idx; @@ -134,11 +104,11 @@ unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) return size; } -EXPORT_SYMBOL(find_first_zero_bit); +EXPORT_SYMBOL(_find_first_zero_bit); #endif #ifndef find_last_bit -unsigned long find_last_bit(const unsigned long *addr, unsigned long size) +unsigned long _find_last_bit(const unsigned long *addr, unsigned long size) { if (size) { unsigned long val = BITMAP_LAST_WORD_MASK(size); @@ -154,31 +124,9 @@ unsigned long find_last_bit(const unsigned long *addr, unsigned long size) } return size; } -EXPORT_SYMBOL(find_last_bit); -#endif - -#ifdef __BIG_ENDIAN - -#ifndef find_next_zero_bit_le -unsigned long find_next_zero_bit_le(const void *addr, unsigned - long size, unsigned long offset) -{ - return _find_next_bit(addr, NULL, size, offset, ~0UL, 1); -} -EXPORT_SYMBOL(find_next_zero_bit_le); -#endif - -#ifndef find_next_bit_le -unsigned long find_next_bit_le(const void *addr, unsigned - long size, unsigned long offset) -{ - return _find_next_bit(addr, NULL, size, offset, 0UL, 1); -} -EXPORT_SYMBOL(find_next_bit_le); +EXPORT_SYMBOL(_find_last_bit); #endif -#endif /* __BIG_ENDIAN */ - unsigned long find_next_clump8(unsigned long *clump, const unsigned long *addr, unsigned long size, unsigned long offset) { diff --git a/lib/genalloc.c b/lib/genalloc.c index 5dcf9cdcbc46..9a57257988c7 100644 --- a/lib/genalloc.c +++ b/lib/genalloc.c @@ -642,6 +642,7 @@ EXPORT_SYMBOL(gen_pool_set_algo); * @nr: The number of zeroed bits we're looking for * @data: additional data - unused * @pool: pool to find the fit region memory from + * @start_addr: not used in this function */ unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size, unsigned long start, unsigned int nr, void *data, @@ -660,6 +661,7 @@ EXPORT_SYMBOL(gen_pool_first_fit); * @nr: The number of zeroed bits we're looking for * @data: data for alignment * @pool: pool to get order from + * @start_addr: start addr of alloction chunk */ unsigned long gen_pool_first_fit_align(unsigned long *map, unsigned long size, unsigned long start, unsigned int nr, void *data, @@ -687,6 +689,7 @@ EXPORT_SYMBOL(gen_pool_first_fit_align); * @nr: The number of zeroed bits we're looking for * @data: data for alignment * @pool: pool to get order from + * @start_addr: not used in this function */ unsigned long gen_pool_fixed_alloc(unsigned long *map, unsigned long size, unsigned long start, unsigned int nr, void *data, @@ -721,6 +724,7 @@ EXPORT_SYMBOL(gen_pool_fixed_alloc); * @nr: The number of zeroed bits we're looking for * @data: additional data - unused * @pool: pool to find the fit region memory from + * @start_addr: not used in this function */ unsigned long gen_pool_first_fit_order_align(unsigned long *map, unsigned long size, unsigned long start, @@ -735,13 +739,14 @@ EXPORT_SYMBOL(gen_pool_first_fit_order_align); /** * gen_pool_best_fit - find the best fitting region of memory - * macthing the size requirement (no alignment constraint) + * matching the size requirement (no alignment constraint) * @map: The address to base the search on * @size: The bitmap size in bits * @start: The bitnumber to start searching at * @nr: The number of zeroed bits we're looking for * @data: additional data - unused * @pool: pool to find the fit region memory from + * @start_addr: not used in this function * * Iterate over the bitmap to find the smallest free region * which we can allocate the memory. diff --git a/lib/list_sort.c b/lib/list_sort.c index a926d96ffd44..1e1e37762799 100644 --- a/lib/list_sort.c +++ b/lib/list_sort.c @@ -137,7 +137,7 @@ static void merge_final(void *priv, list_cmp_func_t cmp, struct list_head *head, * * * The merging is controlled by "count", the number of elements in the - * pending lists. This is beautiully simple code, but rather subtle. + * pending lists. This is beautifully simple code, but rather subtle. * * Each time we increment "count", we set one bit (bit k) and clear * bits k-1 .. 0. Each time this happens (except the very first time diff --git a/lib/nlattr.c b/lib/nlattr.c index 5b6116e81f9f..1d051ef66afe 100644 --- a/lib/nlattr.c +++ b/lib/nlattr.c @@ -828,7 +828,7 @@ int nla_strcmp(const struct nlattr *nla, const char *str) int attrlen = nla_len(nla); int d; - if (attrlen > 0 && buf[attrlen - 1] == '\0') + while (attrlen > 0 && buf[attrlen - 1] == '\0') attrlen--; d = attrlen - len; diff --git a/lib/parser.c b/lib/parser.c index 7a5769db389f..f1a6d90b8c34 100644 --- a/lib/parser.c +++ b/lib/parser.c @@ -98,7 +98,7 @@ static int match_one(char *s, const char *p, substring_t args[]) * locations. * * Description: Detects which if any of a set of token strings has been passed - * to it. Tokens can include up to MAX_OPT_ARGS instances of basic c-style + * to it. Tokens can include up to %MAX_OPT_ARGS instances of basic c-style * format identifiers which will be taken into account when matching the * tokens, and whose locations will be returned in the @args array. */ @@ -120,8 +120,10 @@ EXPORT_SYMBOL(match_token); * @base: base to use when converting string * * Description: Given a &substring_t and a base, attempts to parse the substring - * as a number in that base. On success, sets @result to the integer represented - * by the string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. + * as a number in that base. + * + * Return: On success, sets @result to the integer represented by the + * string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. */ static int match_number(substring_t *s, int *result, int base) { @@ -153,8 +155,10 @@ static int match_number(substring_t *s, int *result, int base) * @base: base to use when converting string * * Description: Given a &substring_t and a base, attempts to parse the substring - * as a number in that base. On success, sets @result to the integer represented - * by the string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. + * as a number in that base. + * + * Return: On success, sets @result to the integer represented by the + * string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. */ static int match_u64int(substring_t *s, u64 *result, int base) { @@ -178,9 +182,10 @@ static int match_u64int(substring_t *s, u64 *result, int base) * @s: substring_t to be scanned * @result: resulting integer on success * - * Description: Attempts to parse the &substring_t @s as a decimal integer. On - * success, sets @result to the integer represented by the string and returns 0. - * Returns -ENOMEM, -EINVAL, or -ERANGE on failure. + * Description: Attempts to parse the &substring_t @s as a decimal integer. + * + * Return: On success, sets @result to the integer represented by the string + * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. */ int match_int(substring_t *s, int *result) { @@ -188,14 +193,15 @@ int match_int(substring_t *s, int *result) } EXPORT_SYMBOL(match_int); -/* +/** * match_uint - scan a decimal representation of an integer from a substring_t * @s: substring_t to be scanned * @result: resulting integer on success * - * Description: Attempts to parse the &substring_t @s as a decimal integer. On - * success, sets @result to the integer represented by the string and returns 0. - * Returns -ENOMEM, -EINVAL, or -ERANGE on failure. + * Description: Attempts to parse the &substring_t @s as a decimal integer. + * + * Return: On success, sets @result to the integer represented by the string + * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. */ int match_uint(substring_t *s, unsigned int *result) { @@ -217,9 +223,10 @@ EXPORT_SYMBOL(match_uint); * @result: resulting unsigned long long on success * * Description: Attempts to parse the &substring_t @s as a long decimal - * integer. On success, sets @result to the integer represented by the - * string and returns 0. - * Returns -ENOMEM, -EINVAL, or -ERANGE on failure. + * integer. + * + * Return: On success, sets @result to the integer represented by the string + * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. */ int match_u64(substring_t *s, u64 *result) { @@ -232,9 +239,10 @@ EXPORT_SYMBOL(match_u64); * @s: substring_t to be scanned * @result: resulting integer on success * - * Description: Attempts to parse the &substring_t @s as an octal integer. On - * success, sets @result to the integer represented by the string and returns - * 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. + * Description: Attempts to parse the &substring_t @s as an octal integer. + * + * Return: On success, sets @result to the integer represented by the string + * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. */ int match_octal(substring_t *s, int *result) { @@ -248,8 +256,9 @@ EXPORT_SYMBOL(match_octal); * @result: resulting integer on success * * Description: Attempts to parse the &substring_t @s as a hexadecimal integer. - * On success, sets @result to the integer represented by the string and - * returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. + * + * Return: On success, sets @result to the integer represented by the string + * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure. */ int match_hex(substring_t *s, int *result) { @@ -263,10 +272,11 @@ EXPORT_SYMBOL(match_hex); * @str: the string to be parsed * * Description: Parse the string @str to check if matches wildcard - * pattern @pattern. The pattern may contain two type wildcardes: + * pattern @pattern. The pattern may contain two types of wildcards: * '*' - matches zero or more characters * '?' - matches one character - * If it's matched, return true, else return false. + * + * Return: If the @str matches the @pattern, return true, else return false. */ bool match_wildcard(const char *pattern, const char *str) { @@ -316,7 +326,9 @@ EXPORT_SYMBOL(match_wildcard); * * Description: Copy the characters in &substring_t @src to the * c-style string @dest. Copy no more than @size - 1 characters, plus - * the terminating NUL. Return length of @src. + * the terminating NUL. + * + * Return: length of @src. */ size_t match_strlcpy(char *dest, const substring_t *src, size_t size) { @@ -338,6 +350,9 @@ EXPORT_SYMBOL(match_strlcpy); * Description: Allocates and returns a string filled with the contents of * the &substring_t @s. The caller is responsible for freeing the returned * string with kfree(). + * + * Return: the address of the newly allocated NUL-terminated string or + * %NULL on error. */ char *match_strdup(const substring_t *s) { diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index 00f666d94486..ed610b75dc32 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -72,7 +72,7 @@ void percpu_counter_set(struct percpu_counter *fbc, s64 amount) } EXPORT_SYMBOL(percpu_counter_set); -/** +/* * This function is both preempt and irq safe. The former is due to explicit * preemption disable. The latter is guaranteed by the fact that the slow path * is explicitly protected by an irq-safe spinlock whereas the fast patch uses diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 49f67a0c6e5d..df9179f4f441 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -71,7 +71,7 @@ static void *stack_slabs[STACK_ALLOC_MAX_SLABS]; static int depot_index; static int next_slab_inited; static size_t depot_offset; -static DEFINE_SPINLOCK(depot_lock); +static DEFINE_RAW_SPINLOCK(depot_lock); static bool init_stack_slab(void **prealloc) { @@ -305,7 +305,7 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries, prealloc = page_address(page); } - spin_lock_irqsave(&depot_lock, flags); + raw_spin_lock_irqsave(&depot_lock, flags); found = find_stack(*bucket, entries, nr_entries, hash); if (!found) { @@ -329,7 +329,7 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries, WARN_ON(!init_stack_slab(&prealloc)); } - spin_unlock_irqrestore(&depot_lock, flags); + raw_spin_unlock_irqrestore(&depot_lock, flags); exit: if (prealloc) { /* Nobody used this memory, ok to free it. */ diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c index 26de020aae7b..907fefde2572 100644 --- a/mm/balloon_compaction.c +++ b/mm/balloon_compaction.c @@ -58,7 +58,7 @@ EXPORT_SYMBOL_GPL(balloon_page_list_enqueue); /** * balloon_page_list_dequeue() - removes pages from balloon's page list and * returns a list of the pages. - * @b_dev_info: balloon device decriptor where we will grab a page from. + * @b_dev_info: balloon device descriptor where we will grab a page from. * @pages: pointer to the list of pages that would be returned to the caller. * @n_req_pages: number of requested pages. * @@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(balloon_page_enqueue); /* * balloon_page_dequeue - removes a page from balloon's page list and returns * its address to allow the driver to release the page. - * @b_dev_info: balloon device decriptor where we will grab a page from. + * @b_dev_info: balloon device descriptor where we will grab a page from. * * Driver must call this function to properly dequeue a previously enqueued page * before definitively releasing it back to the guest system. diff --git a/mm/compaction.c b/mm/compaction.c index 3a6c6b821f80..84fde270ae74 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2012,8 +2012,8 @@ static unsigned int fragmentation_score_wmark(pg_data_t *pgdat, bool low) unsigned int wmark_low; /* - * Cap the low watermak to avoid excessive compaction - * activity in case a user sets the proactivess tunable + * Cap the low watermark to avoid excessive compaction + * activity in case a user sets the proactiveness tunable * close to 100 (maximum). */ wmark_low = max(100U - sysctl_compaction_proactiveness, 5U); diff --git a/mm/filemap.c b/mm/filemap.c index 7fadf211643c..66f7e9fdfbc4 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2755,7 +2755,7 @@ unsigned int seek_page_size(struct xa_state *xas, struct page *page) * entirely memory-based such as tmpfs, and filesystems which support * unwritten extents. * - * Return: The requested offset on successs, or -ENXIO if @whence specifies + * Return: The requested offset on success, or -ENXIO if @whence specifies * SEEK_DATA and there is no data after @start. There is an implicit hole * after @end - 1, so SEEK_HOLE returns @end if all the bytes between @start * and @end contain data. @@ -1575,7 +1575,7 @@ finish_or_fault: * Returns NULL on any kind of failure - a hole must then be inserted into * the corefile, to preserve alignment with its headers; and also returns * NULL wherever the ZERO_PAGE, or an anonymous pte_none, has been found - - * allowing a hole to be left in the corefile to save diskspace. + * allowing a hole to be left in the corefile to save disk space. * * Called without mmap_lock (takes and releases the mmap_lock by itself). */ diff --git a/mm/highmem.c b/mm/highmem.c index e389337e00b4..4fb51d735aa6 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -519,7 +519,7 @@ void *__kmap_local_pfn_prot(unsigned long pfn, pgprot_t prot) /* * Disable migration so resulting virtual address is stable - * accross preemption. + * across preemption. */ migrate_disable(); preempt_disable(); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 98456017744d..63ed6b25deaa 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1792,8 +1792,8 @@ bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, /* * Returns * - 0 if PMD could not be locked - * - 1 if PMD was locked but protections unchange and TLB flush unnecessary - * - HPAGE_PMD_NR is protections changed and TLB flush necessary + * - 1 if PMD was locked but protections unchanged and TLB flush unnecessary + * - HPAGE_PMD_NR if protections changed and TLB flush necessary */ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr, pgprot_t newprot, unsigned long cp_flags) @@ -2469,7 +2469,7 @@ static void __split_huge_page(struct page *page, struct list_head *list, xa_lock(&swap_cache->i_pages); } - /* lock lru list/PageCompound, ref freezed by page_ref_freeze */ + /* lock lru list/PageCompound, ref frozen by page_ref_freeze */ lruvec = lock_page_lruvec(head); for (i = nr - 1; i >= 1; i--) { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 629aa4c2259c..3db405dea3dc 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -466,7 +466,7 @@ static int allocate_file_region_entries(struct resv_map *resv, resv->region_cache_count; /* At this point, we should have enough entries in the cache - * for all the existings adds_in_progress. We should only be + * for all the existing adds_in_progress. We should only be * needing to allocate for regions_needed. */ VM_BUG_ON(resv->region_cache_count < resv->adds_in_progress); @@ -5536,8 +5536,8 @@ void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, v_end = ALIGN_DOWN(vma->vm_end, PUD_SIZE); /* - * vma need span at least one aligned PUD size and the start,end range - * must at least partialy within it. + * vma needs to span at least one aligned PUD size, and the range + * must be at least partially within in. */ if (!(vma->vm_flags & VM_MAYSHARE) || !(v_end > v_start) || (*end <= v_start) || (*start >= v_end)) diff --git a/mm/internal.h b/mm/internal.h index feeaaf06705d..54bd0dc2c23c 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -334,7 +334,7 @@ static inline bool is_exec_mapping(vm_flags_t flags) } /* - * Stack area - atomatically grows in one direction + * Stack area - automatically grows in one direction * * VM_GROWSUP / VM_GROWSDOWN VMAs are always private anonymous: * do_mmap() forbids all other combinations. diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 3820ca54743b..8f450bc28045 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -55,9 +55,9 @@ extern bool kasan_flag_async __ro_after_init; #define KASAN_TAG_MAX 0xFD /* maximum value for random tags */ #ifdef CONFIG_KASAN_HW_TAGS -#define KASAN_TAG_MIN 0xF0 /* mimimum value for random tags */ +#define KASAN_TAG_MIN 0xF0 /* minimum value for random tags */ #else -#define KASAN_TAG_MIN 0x00 /* mimimum value for random tags */ +#define KASAN_TAG_MIN 0x00 /* minimum value for random tags */ #endif #ifdef CONFIG_KASAN_GENERIC @@ -403,7 +403,7 @@ static inline bool kasan_byte_accessible(const void *addr) #else /* CONFIG_KASAN_HW_TAGS */ /** - * kasan_poison - mark the memory range as unaccessible + * kasan_poison - mark the memory range as inaccessible * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE * @size - range size, must be aligned to KASAN_GRANULE_SIZE * @value - value that's written to metadata for the range @@ -434,7 +434,7 @@ bool kasan_byte_accessible(const void *addr); /** * kasan_poison_last_granule - mark the last granule of the memory range as - * unaccessible + * inaccessible * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE * @size - range size * diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c index 728fb24c5683..d8ccff4c1275 100644 --- a/mm/kasan/quarantine.c +++ b/mm/kasan/quarantine.c @@ -27,7 +27,7 @@ /* Data structure and operations for quarantine queues. */ /* - * Each queue is a signle-linked list, which also stores the total size of + * Each queue is a single-linked list, which also stores the total size of * objects inside of it. */ struct qlist_head { @@ -138,7 +138,7 @@ static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache) local_irq_save(flags); /* - * As the object now gets freed from the quaratine, assume that its + * As the object now gets freed from the quarantine, assume that its * free track is no longer valid. */ *(u8 *)kasan_mem_to_shadow(object) = KASAN_KMALLOC_FREE; diff --git a/mm/kasan/shadow.c b/mm/kasan/shadow.c index 727ad4629173..082ee5b6d9a1 100644 --- a/mm/kasan/shadow.c +++ b/mm/kasan/shadow.c @@ -316,7 +316,7 @@ int kasan_populate_vmalloc(unsigned long addr, unsigned long size) * // rest of vmalloc process <data dependency> * STORE p, a LOAD shadow(x+99) * - * If there is no barrier between the end of unpoisioning the shadow + * If there is no barrier between the end of unpoisoning the shadow * and the store of the result to p, the stores could be committed * in a different order by CPU#0, and CPU#1 could erroneously observe * poison in the shadow. @@ -384,7 +384,7 @@ static int kasan_depopulate_vmalloc_pte(pte_t *ptep, unsigned long addr, * How does this work? * ------------------- * - * We have a region that is page aligned, labelled as A. + * We have a region that is page aligned, labeled as A. * That might not map onto the shadow in a way that is page-aligned: * * start end diff --git a/mm/kfence/report.c b/mm/kfence/report.c index e3f71451ad9e..2a319c21c939 100644 --- a/mm/kfence/report.c +++ b/mm/kfence/report.c @@ -263,6 +263,6 @@ void kfence_report_error(unsigned long address, bool is_write, struct pt_regs *r if (panic_on_warn) panic("panic_on_warn set ...\n"); - /* We encountered a memory unsafety error, taint the kernel! */ + /* We encountered a memory safety error, taint the kernel! */ add_taint(TAINT_BAD_PAGE, LOCKDEP_STILL_OK); } diff --git a/mm/khugepaged.c b/mm/khugepaged.c index ea74da3232ab..6c0185fdd815 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -667,7 +667,7 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma, * * The page table that maps the page has been already unlinked * from the page table tree and this process cannot get - * an additinal pin on the page. + * an additional pin on the page. * * New pins can come later if the page is shared across fork, * but not from this process. The other process cannot write to @@ -459,7 +459,7 @@ static inline bool ksm_test_exit(struct mm_struct *mm) * but taking great care only to touch a ksm page, in a VM_MERGEABLE vma, * in case the application has unmapped and remapped mm,addr meanwhile. * Could a ksm page appear anywhere else? Actually yes, in a VM_PFNMAP - * mmap of /dev/mem or /dev/kmem, where we would not want to touch it. + * mmap of /dev/mem, where we would not want to touch it. * * FAULT_FLAG/FOLL_REMOTE are because we do this outside the context * of the process that owns 'vma'. We also do not want to enforce @@ -1065,7 +1065,7 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page, /* * Ok this is tricky, when get_user_pages_fast() run it doesn't * take any lock, therefore the check that we are going to make - * with the pagecount against the mapcount is racey and + * with the pagecount against the mapcount is racy and * O_DIRECT can happen right after the check. * So we clear the pte and flush the tlb before the check * this assure us that no O_DIRECT can happen after the check @@ -1435,7 +1435,7 @@ static struct page *stable_node_dup(struct stable_node **_stable_node_dup, */ *_stable_node = found; /* - * Just for robustneess as stable_node is + * Just for robustness, as stable_node is * otherwise left as a stable pointer, the * compiler shall optimize it away at build * time. diff --git a/mm/madvise.c b/mm/madvise.c index 01fef79ac761..63e489e5bfdb 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -799,7 +799,7 @@ static long madvise_dontneed_free(struct vm_area_struct *vma, if (end > vma->vm_end) { /* * Don't fail if end > vma->vm_end. If the old - * vma was splitted while the mmap_lock was + * vma was split while the mmap_lock was * released the effect of the concurrent * operation may not cause madvise() to * have an undefined result. There may be an @@ -1039,7 +1039,7 @@ process_madvise_behavior_valid(int behavior) * MADV_DODUMP - cancel MADV_DONTDUMP: no longer exclude from core dump. * MADV_COLD - the application is not expected to use this memory soon, * deactivate pages in this range so that they can be reclaimed - * easily if memory pressure hanppens. + * easily if memory pressure happens. * MADV_PAGEOUT - the application is not expected to use this memory soon, * page out the pages in this range immediately. * diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 3004afb6d090..64ada9e650a5 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -215,7 +215,7 @@ enum res_type { #define MEMFILE_PRIVATE(x, val) ((x) << 16 | (val)) #define MEMFILE_TYPE(val) ((val) >> 16 & 0xffff) #define MEMFILE_ATTR(val) ((val) & 0xffff) -/* Used for OOM nofiier */ +/* Used for OOM notifier */ #define OOM_CONTROL (0) /* @@ -786,7 +786,7 @@ void __mod_lruvec_kmem_state(void *p, enum node_stat_item idx, int val) * __count_memcg_events - account VM events in a cgroup * @memcg: the memory cgroup * @idx: the event item - * @count: the number of events that occured + * @count: the number of events that occurred */ void __count_memcg_events(struct mem_cgroup *memcg, enum vm_event_item idx, unsigned long count) @@ -904,7 +904,7 @@ struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm) rcu_read_lock(); do { /* - * Page cache insertions can happen withou an + * Page cache insertions can happen without an * actual mm context, e.g. during disk probing * on boot, loopback IO, acct() writes etc. */ @@ -1712,7 +1712,7 @@ static void mem_cgroup_unmark_under_oom(struct mem_cgroup *memcg) struct mem_cgroup *iter; /* - * Be careful about under_oom underflows becase a child memcg + * Be careful about under_oom underflows because a child memcg * could have been added after mem_cgroup_mark_under_oom. */ spin_lock(&memcg_oom_lock); @@ -1884,7 +1884,7 @@ bool mem_cgroup_oom_synchronize(bool handle) /* * There is no guarantee that an OOM-lock contender * sees the wakeups triggered by the OOM kill - * uncharges. Wake any sleepers explicitely. + * uncharges. Wake any sleepers explicitly. */ memcg_oom_recover(memcg); } @@ -4364,7 +4364,7 @@ void mem_cgroup_wb_stats(struct bdi_writeback *wb, unsigned long *pfilepages, * Foreign dirty flushing * * There's an inherent mismatch between memcg and writeback. The former - * trackes ownership per-page while the latter per-inode. This was a + * tracks ownership per-page while the latter per-inode. This was a * deliberate design decision because honoring per-page ownership in the * writeback path is complicated, may lead to higher CPU and IO overheads * and deemed unnecessary given that write-sharing an inode across @@ -4379,9 +4379,9 @@ void mem_cgroup_wb_stats(struct bdi_writeback *wb, unsigned long *pfilepages, * triggering background writeback. A will be slowed down without a way to * make writeback of the dirty pages happen. * - * Conditions like the above can lead to a cgroup getting repatedly and + * Conditions like the above can lead to a cgroup getting repeatedly and * severely throttled after making some progress after each - * dirty_expire_interval while the underyling IO device is almost + * dirty_expire_interval while the underlying IO device is almost * completely idle. * * Solving this problem completely requires matching the ownership tracking @@ -5774,7 +5774,7 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset) return 0; /* - * We are now commited to this value whatever it is. Changes in this + * We are now committed to this value whatever it is. Changes in this * tunable will only affect upcoming migrations, not the current one. * So we need to save it, and keep it going. */ diff --git a/mm/memory-failure.c b/mm/memory-failure.c index bd3945446d47..85ad98c00fd9 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -75,7 +75,7 @@ static bool page_handle_poison(struct page *page, bool hugepage_or_freepage, boo if (dissolve_free_huge_page(page) || !take_page_off_buddy(page)) /* * We could fail to take off the target page from buddy - * for example due to racy page allocaiton, but that's + * for example due to racy page allocation, but that's * acceptable because soft-offlined page is not broken * and if someone really want to use it, they should * take it. diff --git a/mm/memory.c b/mm/memory.c index cbdc2cd9cedb..730daa00952b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3339,7 +3339,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) } - delayacct_set_flag(DELAYACCT_PF_SWAPIN); + delayacct_set_flag(current, DELAYACCT_PF_SWAPIN); page = lookup_swap_cache(entry, vma, vmf->address); swapcache = page; @@ -3388,7 +3388,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) vmf->address, &vmf->ptl); if (likely(pte_same(*vmf->pte, vmf->orig_pte))) ret = VM_FAULT_OOM; - delayacct_clear_flag(DELAYACCT_PF_SWAPIN); + delayacct_clear_flag(current, DELAYACCT_PF_SWAPIN); goto unlock; } @@ -3402,13 +3402,13 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) * owner processes (which may be unknown at hwpoison time) */ ret = VM_FAULT_HWPOISON; - delayacct_clear_flag(DELAYACCT_PF_SWAPIN); + delayacct_clear_flag(current, DELAYACCT_PF_SWAPIN); goto out_release; } locked = lock_page_or_retry(page, vma->vm_mm, vmf->flags); - delayacct_clear_flag(DELAYACCT_PF_SWAPIN); + delayacct_clear_flag(current, DELAYACCT_PF_SWAPIN); if (!locked) { ret |= VM_FAULT_RETRY; goto out_release; @@ -3727,7 +3727,7 @@ vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page) return ret; /* - * Archs like ppc64 need additonal space to store information + * Archs like ppc64 need additional space to store information * related to pte entry. Use the preallocated table for that. */ if (arch_needs_pgtable_deposit() && !vmf->prealloc_pte) { @@ -4503,7 +4503,7 @@ retry_pud: } /** - * mm_account_fault - Do page fault accountings + * mm_account_fault - Do page fault accounting * * @regs: the pt_regs struct pointer. When set to NULL, will skip accounting * of perf event counters, but we'll still do the per-task accounting to @@ -4512,9 +4512,9 @@ retry_pud: * @flags: the fault flags. * @ret: the fault retcode. * - * This will take care of most of the page fault accountings. Meanwhile, it + * This will take care of most of the page fault accounting. Meanwhile, it * will also include the PERF_COUNT_SW_PAGE_FAULTS_[MAJ|MIN] perf counter - * updates. However note that the handling of PERF_COUNT_SW_PAGE_FAULTS should + * updates. However, note that the handling of PERF_COUNT_SW_PAGE_FAULTS should * still be in per-arch page fault handlers at the entry of page fault. */ static inline void mm_account_fault(struct pt_regs *regs, @@ -4848,7 +4848,7 @@ out: /** * generic_access_phys - generic implementation for iomem mmap access * @vma: the vma to access - * @addr: userspace addres, not relative offset within @vma + * @addr: userspace address, not relative offset within @vma * @buf: buffer to read/write * @len: length of transfer * @write: set to FOLL_WRITE when writing, otherwise reading diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 3ebe2cfc64af..d79fa299b70c 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -994,7 +994,7 @@ static long do_get_mempolicy(int *policy, nodemask_t *nmask, if (flags & MPOL_F_ADDR) { /* * Take a refcount on the mpol, lookup_node() - * wil drop the mmap_lock, so after calling + * will drop the mmap_lock, so after calling * lookup_node() only "pol" remains valid, "vma" * is stale. */ @@ -1867,7 +1867,7 @@ static int apply_policy_zone(struct mempolicy *policy, enum zone_type zone) * we apply policy when gfp_zone(gfp) = ZONE_MOVABLE only. * * policy->v.nodes is intersect with node_states[N_MEMORY]. - * so if the following test faile, it implies + * so if the following test fails, it implies * policy->v.nodes has movable memory only. */ if (!nodes_intersects(policy->v.nodes, node_states[N_HIGH_MEMORY])) @@ -2098,7 +2098,7 @@ bool init_nodemask_of_mempolicy(nodemask_t *mask) * * If tsk's mempolicy is "default" [NULL], return 'true' to indicate default * policy. Otherwise, check for intersection between mask and the policy - * nodemask for 'bind' or 'interleave' policy. For 'perferred' or 'local' + * nodemask for 'bind' or 'interleave' policy. For 'preferred' or 'local' * policy, always return true since it may allocate elsewhere on fallback. * * Takes task_lock(tsk) to prevent freeing of its mempolicy. diff --git a/mm/migrate.c b/mm/migrate.c index 6b37d00890ca..b234c3f3acb7 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2779,11 +2779,11 @@ restore: * * For empty entries inside CPU page table (pte_none() or pmd_none() is true) we * do set MIGRATE_PFN_MIGRATE flag inside the corresponding source array thus - * allowing the caller to allocate device memory for those unback virtual - * address. For this the caller simply has to allocate device memory and + * allowing the caller to allocate device memory for those unbacked virtual + * addresses. For this the caller simply has to allocate device memory and * properly set the destination entry like for regular migration. Note that - * this can still fails and thus inside the device driver must check if the - * migration was successful for those entries after calling migrate_vma_pages() + * this can still fail, and thus inside the device driver you must check if the + * migration was successful for those entries after calling migrate_vma_pages(), * just like for regular migration. * * After that, the callers must call migrate_vma_pages() to go over each entry diff --git a/mm/mmap.c b/mm/mmap.c index c1b848fa7da6..0584e540246e 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -612,7 +612,7 @@ static unsigned long count_vma_pages_range(struct mm_struct *mm, unsigned long nr_pages = 0; struct vm_area_struct *vma; - /* Find first overlaping mapping */ + /* Find first overlapping mapping */ vma = find_vma_intersection(mm, addr, end); if (!vma) return 0; @@ -2875,7 +2875,7 @@ int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len, if (unlikely(uf)) { /* * If userfaultfd_unmap_prep returns an error the vmas - * will remain splitted, but userland will get a + * will remain split, but userland will get a * highly unexpected error anyway. This is no * different than the case where the first of the two * __split_vma fails, but we don't undo the first diff --git a/mm/mprotect.c b/mm/mprotect.c index 94188df1ee55..e7a443157988 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -699,7 +699,7 @@ SYSCALL_DEFINE1(pkey_free, int, pkey) mmap_write_unlock(current->mm); /* - * We could provie warnings or errors if any VMA still + * We could provide warnings or errors if any VMA still * has the pkey set here. */ return ret; diff --git a/mm/mremap.c b/mm/mremap.c index d22629ff8f3c..47c255b60150 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -730,7 +730,7 @@ static unsigned long mremap_to(unsigned long addr, unsigned long old_len, * So, to avoid such scenario we can pre-compute if the whole * operation has high chances to success map-wise. * Worst-scenario case is when both vma's (new_addr and old_addr) get - * split in 3 before unmaping it. + * split in 3 before unmapping it. * That means 2 more maps (1 for each) to the ones we already hold. * Check whether current map count plus 2 still leads us to 4 maps below * the threshold, otherwise return -ENOMEM here to be more safe. diff --git a/mm/nommu.c b/mm/nommu.c index 5c9ab799c0e6..85a3a68dffb6 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -210,16 +210,6 @@ long vread(char *buf, char *addr, unsigned long count) return count; } -long vwrite(char *buf, char *addr, unsigned long count) -{ - /* Don't allow overflow */ - if ((unsigned long) addr + count < count) - count = -(unsigned long) addr; - - memcpy(addr, buf, count); - return count; -} - /* * vmalloc - allocate virtually contiguous memory * diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 3df2ac6b8686..eefd3f5fde46 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -74,7 +74,7 @@ static inline bool is_memcg_oom(struct oom_control *oc) #ifdef CONFIG_NUMA /** - * oom_cpuset_eligible() - check task eligiblity for kill + * oom_cpuset_eligible() - check task eligibility for kill * @start: task struct of which task to consider * @oc: pointer to struct oom_control * diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 5e761fb62800..0062d5c57d41 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1806,7 +1806,7 @@ pause: break; /* - * In the case of an unresponding NFS server and the NFS dirty + * In the case of an unresponsive NFS server and the NFS dirty * pages exceeds dirty_thresh, give the other good wb's a pipe * to go through, so that tasks on them still remain responsive. * @@ -2216,7 +2216,7 @@ int write_cache_pages(struct address_space *mapping, * Page truncated or invalidated. We can freely skip it * then, even for data integrity operations: the page * has disappeared concurrently, so there could be no - * real expectation of this data interity operation + * real expectation of this data integrity operation * even if there is now a new, dirty page at the same * pagecache address. */ diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bcdc0c6f21f1..aaa1655cf682 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -893,7 +893,7 @@ compaction_capture(struct capture_control *capc, struct page *page, return false; /* - * Do not let lower order allocations polluate a movable pageblock. + * Do not let lower order allocations pollute a movable pageblock. * This might let an unmovable request use a reclaimable pageblock * and vice-versa but no more than normal fallback logic which can * have trouble finding a high-order free page. @@ -2776,7 +2776,7 @@ static bool unreserve_highatomic_pageblock(const struct alloc_context *ac, /* * In page freeing path, migratetype change is racy so * we can counter several free pages in a pageblock - * in this loop althoug we changed the pageblock type + * in this loop although we changed the pageblock type * from highatomic to ac->migratetype. So we should * adjust the count once. */ @@ -3080,7 +3080,7 @@ static void drain_local_pages_wq(struct work_struct *work) * drain_all_pages doesn't use proper cpu hotplug protection so * we can race with cpu offline when the WQ can move this from * a cpu pinned worker to an unbound one. We can operate on a different - * cpu which is allright but we also have to make sure to not move to + * cpu which is alright but we also have to make sure to not move to * a different one. */ preempt_disable(); @@ -4173,7 +4173,7 @@ out: } /* - * Maximum number of compaction retries wit a progress before OOM + * Maximum number of compaction retries with a progress before OOM * killer is consider as the only way to move forward. */ #define MAX_COMPACT_RETRIES 16 @@ -5929,7 +5929,7 @@ static int build_zonerefs_node(pg_data_t *pgdat, struct zoneref *zonerefs) static int __parse_numa_zonelist_order(char *s) { /* - * We used to support different zonlists modes but they turned + * We used to support different zonelists modes but they turned * out to be just not useful. Let's keep the warning in place * if somebody still use the cmd line parameter so that we do * not fail it silently @@ -7670,7 +7670,7 @@ static void check_for_memory(pg_data_t *pgdat, int nid) } /* - * Some architecturs, e.g. ARC may have ZONE_HIGHMEM below ZONE_NORMAL. For + * Some architectures, e.g. ARC may have ZONE_HIGHMEM below ZONE_NORMAL. For * such cases we allow max_zone_pfn sorted in the descending order */ bool __weak arch_has_descending_max_zone_pfns(void) @@ -8728,7 +8728,7 @@ static int __alloc_contig_migrate_range(struct compact_control *cc, * alloc_contig_range() -- tries to allocate given range of pages * @start: start PFN to allocate * @end: one-past-the-last PFN to allocate - * @migratetype: migratetype of the underlaying pageblocks (either + * @migratetype: migratetype of the underlying pageblocks (either * #MIGRATE_MOVABLE or #MIGRATE_CMA). All pageblocks * in range must have the same migratetype and it must * be either of the two. @@ -8988,7 +8988,7 @@ EXPORT_SYMBOL(free_contig_range); /* * The zone indicated has a new number of managed_pages; batch sizes and percpu - * page high values need to be recalulated. + * page high values need to be recalculated. */ void __meminit zone_pcp_update(struct zone *zone) { diff --git a/mm/page_owner.c b/mm/page_owner.c index 9661d5320a07..adfabb560eb9 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -233,7 +233,7 @@ void __copy_page_owner(struct page *oldpage, struct page *newpage) /* * We don't clear the bit on the oldpage as it's going to be freed * after migration. Until then, the info can be useful in case of - * a bug, and the overal stats will be off a bit only temporarily. + * a bug, and the overall stats will be off a bit only temporarily. * Also, migrate_misplaced_transhuge_page() can still fail the * migration and then we want the oldpage to retain the info. But * in that case we also don't need to explicitly clear the info from diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index 86e3a3688d59..2cf01d933f13 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -134,7 +134,7 @@ static bool check_pte(struct page_vma_mapped_walk *pvmw) * regardless of which page table level the page is mapped at. @pvmw->pmd is * NULL. * - * Retruns false if there are no more page table entries for the page in + * Returns false if there are no more page table entries for the page in * the vma. @pvmw->ptl is unlocked and @pvmw->pte is unmapped. * * If you need to stop the walk before page_vma_mapped_walk() returned false, diff --git a/mm/percpu-internal.h b/mm/percpu-internal.h index 095d7eaa0db4..ae26b118e246 100644 --- a/mm/percpu-internal.h +++ b/mm/percpu-internal.h @@ -170,7 +170,7 @@ struct percpu_stats { u64 nr_max_alloc; /* max # of live allocations */ u32 nr_chunks; /* current # of live chunks */ u32 nr_max_chunks; /* max # of live chunks */ - size_t min_alloc_size; /* min allocaiton size */ + size_t min_alloc_size; /* min allocation size */ size_t max_alloc_size; /* max allocation size */ }; diff --git a/mm/percpu.c b/mm/percpu.c index 23308113a5ff..f99e9306b939 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1862,7 +1862,7 @@ fail: pr_info("limit reached, disable warning\n"); } if (is_atomic) { - /* see the flag handling in pcpu_blance_workfn() */ + /* see the flag handling in pcpu_balance_workfn() */ pcpu_atomic_alloc_failed = true; pcpu_schedule_balance_work(); } else { diff --git a/mm/pgalloc-track.h b/mm/pgalloc-track.h index 1dcc865029a2..e9e879de8649 100644 --- a/mm/pgalloc-track.h +++ b/mm/pgalloc-track.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_PGALLLC_TRACK_H -#define _LINUX_PGALLLC_TRACK_H +#ifndef _LINUX_PGALLOC_TRACK_H +#define _LINUX_PGALLOC_TRACK_H #if defined(CONFIG_MMU) static inline p4d_t *p4d_alloc_track(struct mm_struct *mm, pgd_t *pgd, @@ -48,4 +48,4 @@ static inline pmd_t *pmd_alloc_track(struct mm_struct *mm, pud_t *pud, (__pte_alloc_kernel(pmd) || ({*(mask)|=PGTBL_PMD_MODIFIED;0;})))?\ NULL: pte_offset_kernel(pmd, address)) -#endif /* _LINUX_PGALLLC_TRACK_H */ +#endif /* _LINUX_PGALLOC_TRACK_H */ diff --git a/mm/rmap.c b/mm/rmap.c index b0fc27e77d6d..693a610e181d 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -257,7 +257,7 @@ static inline void unlock_anon_vma_root(struct anon_vma *root) * Attach the anon_vmas from src to dst. * Returns 0 on success, -ENOMEM on failure. * - * anon_vma_clone() is called by __vma_split(), __split_vma(), copy_vma() and + * anon_vma_clone() is called by __vma_adjust(), __split_vma(), copy_vma() and * anon_vma_fork(). The first three want an exact copy of src, while the last * one, anon_vma_fork(), may try to reuse an existing anon_vma to prevent * endless growth of anon_vma. Since dst->anon_vma is set to NULL before call, diff --git a/mm/slab.c b/mm/slab.c index df45c437b394..d0f725637663 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -259,7 +259,7 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent) #define BATCHREFILL_LIMIT 16 /* - * Optimization question: fewer reaps means less probability for unnessary + * Optimization question: fewer reaps means less probability for unnecessary * cpucache drain/refill cycles. * * OTOH the cpuarrays can contain lots of objects, @@ -2284,7 +2284,7 @@ void __kmem_cache_release(struct kmem_cache *cachep) * Because if it is the case, that means we defer the creation of * the kmalloc_{dma,}_cache of size sizeof(slab descriptor) to this point. * And we eventually call down to __kmem_cache_create(), which - * in turn looks up in the kmalloc_{dma,}_caches for the disired-size one. + * in turn looks up in the kmalloc_{dma,}_caches for the desired-size one. * This is a "chicken-and-egg" problem. * * So the off-slab slab descriptor shall come from the kmalloc_{dma,}_caches, @@ -2381,8 +2381,8 @@ union freelist_init_state { }; /* - * Initialize the state based on the randomization methode available. - * return true if the pre-computed list is available, false otherwize. + * Initialize the state based on the randomization method available. + * return true if the pre-computed list is available, false otherwise. */ static bool freelist_state_initialize(union freelist_init_state *state, struct kmem_cache *cachep, diff --git a/mm/slub.c b/mm/slub.c index 68123b21e65f..feda53ae62ba 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3391,7 +3391,7 @@ EXPORT_SYMBOL(kmem_cache_alloc_bulk); */ /* - * Mininum / Maximum order of slab pages. This influences locking overhead + * Minimum / Maximum order of slab pages. This influences locking overhead * and slab fragmentation. A higher order reduces the number of partial slabs * and increases the number of allocations possible without having to * take the list_lock. diff --git a/mm/swap.c b/mm/swap.c index a75a8265302b..dfb48cf9c2c9 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -496,7 +496,7 @@ void lru_cache_add_inactive_or_unevictable(struct page *page, if (unlikely(unevictable) && !TestSetPageMlocked(page)) { int nr_pages = thp_nr_pages(page); /* - * We use the irq-unsafe __mod_zone_page_stat because this + * We use the irq-unsafe __mod_zone_page_state because this * counter is not modified from interrupt context, and the pte * lock is held(spinlock), which implies preemption disabled. */ @@ -808,7 +808,7 @@ inline void __lru_add_drain_all(bool force_all_cpus) * below which drains the page vectors. * * Let x, y, and z represent some system CPU numbers, where x < y < z. - * Assume CPU #z is is in the middle of the for_each_online_cpu loop + * Assume CPU #z is in the middle of the for_each_online_cpu loop * below and has already reached CPU #y's per-cpu data. CPU #x comes * along, adds some pages to its per-cpu vectors, then calls * lru_add_drain_all(). diff --git a/mm/swap_slots.c b/mm/swap_slots.c index be9de6d5b516..6248d1030a9b 100644 --- a/mm/swap_slots.c +++ b/mm/swap_slots.c @@ -16,7 +16,7 @@ * to local caches without needing to acquire swap_info * lock. We do not reuse the returned slots directly but * move them back to the global pool in a batch. This - * allows the slots to coaellesce and reduce fragmentation. + * allows the slots to coalesce and reduce fragmentation. * * The swap entry allocated is marked with SWAP_HAS_CACHE * flag in map_count that prevents it from being allocated diff --git a/mm/swap_state.c b/mm/swap_state.c index 3a1259c13f3b..272ea2108c9d 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -792,7 +792,7 @@ static void swap_ra_info(struct vm_fault *vmf, * * Returns the struct page for entry and addr, after queueing swapin. * - * Primitive swap readahead code. We simply read in a few pages whoes + * Primitive swap readahead code. We simply read in a few pages whose * virtual addresses are around the fault address in the same vma. * * Caller must hold read mmap_lock if vmf->vma is not NULL. diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 9c539f0730a5..a13ac524f6ff 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1583,7 +1583,7 @@ static unsigned long lazy_max_pages(void) static atomic_long_t vmap_lazy_nr = ATOMIC_LONG_INIT(0); /* - * Serialize vmap purging. There is no actual criticial section protected + * Serialize vmap purging. There is no actual critical section protected * by this look, but we want to avoid concurrent calls for performance * reasons and to make the pcpu_get_vm_areas more deterministic. */ @@ -2628,7 +2628,7 @@ static void __vfree(const void *addr) * May sleep if called *not* from interrupt context. * Must not be called in NMI context (strictly speaking, it could be * if we have CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG, but making the calling - * conventions for vfree() arch-depenedent would be a really bad idea). + * conventions for vfree() arch-dependent would be a really bad idea). */ void vfree(const void *addr) { @@ -3141,15 +3141,12 @@ static int aligned_vread(char *buf, char *addr, unsigned long count) /* * To do safe access to this _mapped_ area, we need * lock. But adding lock here means that we need to add - * overhead of vmalloc()/vfree() calles for this _debug_ + * overhead of vmalloc()/vfree() calls for this _debug_ * interface, rarely used. Instead of that, we'll use * kmap() and get small overhead in this access function. */ if (p) { - /* - * we can expect USER0 is not used (see vread/vwrite's - * function description) - */ + /* We can expect USER0 is not used -- see vread() */ void *map = kmap_atomic(p); memcpy(buf, map + offset, length); kunmap_atomic(map); @@ -3164,43 +3161,6 @@ static int aligned_vread(char *buf, char *addr, unsigned long count) return copied; } -static int aligned_vwrite(char *buf, char *addr, unsigned long count) -{ - struct page *p; - int copied = 0; - - while (count) { - unsigned long offset, length; - - offset = offset_in_page(addr); - length = PAGE_SIZE - offset; - if (length > count) - length = count; - p = vmalloc_to_page(addr); - /* - * To do safe access to this _mapped_ area, we need - * lock. But adding lock here means that we need to add - * overhead of vmalloc()/vfree() calles for this _debug_ - * interface, rarely used. Instead of that, we'll use - * kmap() and get small overhead in this access function. - */ - if (p) { - /* - * we can expect USER0 is not used (see vread/vwrite's - * function description) - */ - void *map = kmap_atomic(p); - memcpy(map + offset, buf, length); - kunmap_atomic(map); - } - addr += length; - buf += length; - copied += length; - count -= length; - } - return copied; -} - /** * vread() - read vmalloc area in a safe way. * @buf: buffer for reading data @@ -3219,7 +3179,7 @@ static int aligned_vwrite(char *buf, char *addr, unsigned long count) * Note: In usual ops, vread() is never necessary because the caller * should know vmalloc() area is valid and can use memcpy(). * This is for routines which have to access vmalloc area without - * any information, as /dev/kmem. + * any information, as /proc/kcore. * * Return: number of bytes for which addr and buf should be increased * (same number as @count) or %0 if [addr...addr+count) doesn't @@ -3284,80 +3244,6 @@ finished: } /** - * vwrite() - write vmalloc area in a safe way. - * @buf: buffer for source data - * @addr: vm address. - * @count: number of bytes to be read. - * - * This function checks that addr is a valid vmalloc'ed area, and - * copy data from a buffer to the given addr. If specified range of - * [addr...addr+count) includes some valid address, data is copied from - * proper area of @buf. If there are memory holes, no copy to hole. - * IOREMAP area is treated as memory hole and no copy is done. - * - * If [addr...addr+count) doesn't includes any intersects with alive - * vm_struct area, returns 0. @buf should be kernel's buffer. - * - * Note: In usual ops, vwrite() is never necessary because the caller - * should know vmalloc() area is valid and can use memcpy(). - * This is for routines which have to access vmalloc area without - * any information, as /dev/kmem. - * - * Return: number of bytes for which addr and buf should be - * increased (same number as @count) or %0 if [addr...addr+count) - * doesn't include any intersection with valid vmalloc area - */ -long vwrite(char *buf, char *addr, unsigned long count) -{ - struct vmap_area *va; - struct vm_struct *vm; - char *vaddr; - unsigned long n, buflen; - int copied = 0; - - /* Don't allow overflow */ - if ((unsigned long) addr + count < count) - count = -(unsigned long) addr; - buflen = count; - - spin_lock(&vmap_area_lock); - list_for_each_entry(va, &vmap_area_list, list) { - if (!count) - break; - - if (!va->vm) - continue; - - vm = va->vm; - vaddr = (char *) vm->addr; - if (addr >= vaddr + get_vm_area_size(vm)) - continue; - while (addr < vaddr) { - if (count == 0) - goto finished; - buf++; - addr++; - count--; - } - n = vaddr + get_vm_area_size(vm) - addr; - if (n > count) - n = count; - if (!(vm->flags & VM_IOREMAP)) { - aligned_vwrite(buf, addr, n); - copied++; - } - buf += n; - addr += n; - count -= n; - } -finished: - spin_unlock(&vmap_area_lock); - if (!copied) - return 0; - return buflen; -} - -/** * remap_vmalloc_range_partial - map vmalloc pages to userspace * @vma: vma to cover * @uaddr: target user address to start at diff --git a/mm/vmstat.c b/mm/vmstat.c index 5ba118521ded..cccee36b289c 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -934,7 +934,7 @@ void cpu_vm_stats_fold(int cpu) /* * this is only called if !populated_zone(zone), which implies no other users of - * pset->vm_stat_diff[] exsist. + * pset->vm_stat_diff[] exist. */ void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset) { diff --git a/mm/z3fold.c b/mm/z3fold.c index 9d889ad2bb86..7fe7adaaad01 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -391,7 +391,7 @@ static void z3fold_unregister_migration(struct z3fold_pool *pool) { if (pool->inode) iput(pool->inode); - } +} /* Initializes the z3fold header of a newly allocated z3fold page */ static struct z3fold_header *init_z3fold_page(struct page *page, bool headless, diff --git a/mm/zpool.c b/mm/zpool.c index 5ed71207ced7..6d9ed48141e5 100644 --- a/mm/zpool.c +++ b/mm/zpool.c @@ -336,7 +336,7 @@ int zpool_shrink(struct zpool *zpool, unsigned int pages, * This may hold locks, disable interrupts, and/or preemption, * and the zpool_unmap_handle() must be called to undo those * actions. The code that uses the mapped handle should complete - * its operatons on the mapped handle memory quickly and unmap + * its operations on the mapped handle memory quickly and unmap * as soon as possible. As the implementation may use per-cpu * data, multiple handles should not be mapped concurrently on * any cpu. diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 58697f7a43f8..19b563bc6c48 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -61,7 +61,7 @@ #define ZSPAGE_MAGIC 0x58 /* - * This must be power of 2 and greater than of equal to sizeof(link_free). + * This must be power of 2 and greater than or equal to sizeof(link_free). * These two conditions ensure that any 'struct link_free' itself doesn't * span more than 1 page which avoids complex case of mapping 2 pages simply * to restore link_free pointer values. @@ -530,7 +530,7 @@ static void set_zspage_mapping(struct zspage *zspage, * class maintains a list of zspages where each zspage is divided * into equal sized chunks. Each allocation falls into one of these * classes depending on its size. This function returns index of the - * size class which has chunk size big enough to hold the give size. + * size class which has chunk size big enough to hold the given size. */ static int get_size_class_index(int size) { @@ -1227,7 +1227,7 @@ EXPORT_SYMBOL_GPL(zs_get_total_pages); * zs_map_object - get address of allocated object from handle. * @pool: pool from which the object was allocated * @handle: handle returned from zs_malloc - * @mm: maping mode to use + * @mm: mapping mode to use * * Before using an object allocated from zs_malloc, it must be mapped using * this function. When done with the object, it must be unmapped using diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 0456593aceec..e4e6e991313e 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -103,8 +103,9 @@ static size_t br_get_link_af_size_filtered(const struct net_device *dev, rcu_read_lock(); if (netif_is_bridge_port(dev)) { - p = br_port_get_rcu(dev); - vg = nbp_vlan_group_rcu(p); + p = br_port_get_check_rcu(dev); + if (p) + vg = nbp_vlan_group_rcu(p); } else if (dev->priv_flags & IFF_EBRIDGE) { br = netdev_priv(dev); vg = br_vlan_group_rcu(br); diff --git a/net/ceph/auth.c b/net/ceph/auth.c index eb261aa5fe18..de407e8feb97 100644 --- a/net/ceph/auth.c +++ b/net/ceph/auth.c @@ -36,6 +36,20 @@ static int init_protocol(struct ceph_auth_client *ac, int proto) } } +static void set_global_id(struct ceph_auth_client *ac, u64 global_id) +{ + dout("%s global_id %llu\n", __func__, global_id); + + if (!global_id) + pr_err("got zero global_id\n"); + + if (ac->global_id && global_id != ac->global_id) + pr_err("global_id changed from %llu to %llu\n", ac->global_id, + global_id); + + ac->global_id = global_id; +} + /* * setup, teardown. */ @@ -222,11 +236,6 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac, payload_end = payload + payload_len; - if (global_id && ac->global_id != global_id) { - dout(" set global_id %lld -> %lld\n", ac->global_id, global_id); - ac->global_id = global_id; - } - if (ac->negotiating) { /* server does not support our protocols? */ if (!protocol && result < 0) { @@ -253,11 +262,16 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac, ret = ac->ops->handle_reply(ac, result, payload, payload_end, NULL, NULL, NULL, NULL); - if (ret == -EAGAIN) + if (ret == -EAGAIN) { ret = build_request(ac, true, reply_buf, reply_len); - else if (ret) + goto out; + } else if (ret) { pr_err("auth protocol '%s' mauth authentication failed: %d\n", ceph_auth_proto_name(ac->protocol), result); + goto out; + } + + set_global_id(ac, global_id); out: mutex_unlock(&ac->mutex); @@ -484,15 +498,11 @@ int ceph_auth_handle_reply_done(struct ceph_auth_client *ac, int ret; mutex_lock(&ac->mutex); - if (global_id && ac->global_id != global_id) { - dout("%s global_id %llu -> %llu\n", __func__, ac->global_id, - global_id); - ac->global_id = global_id; - } - ret = ac->ops->handle_reply(ac, 0, reply, reply + reply_len, session_key, session_key_len, con_secret, con_secret_len); + if (!ret) + set_global_id(ac, global_id); mutex_unlock(&ac->mutex); return ret; } diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c index ca44c327bace..79641c4afee9 100644 --- a/net/ceph/auth_x.c +++ b/net/ceph/auth_x.c @@ -526,7 +526,7 @@ static int ceph_x_build_request(struct ceph_auth_client *ac, if (ret < 0) return ret; - auth->struct_v = 2; /* nautilus+ */ + auth->struct_v = 3; /* nautilus+ */ auth->key = 0; for (u = (u64 *)enc_buf; u + 1 <= (u64 *)(enc_buf + ret); u++) auth->key ^= *(__le64 *)u; diff --git a/net/ceph/decode.c b/net/ceph/decode.c index b44f7651be04..bc109a1a4616 100644 --- a/net/ceph/decode.c +++ b/net/ceph/decode.c @@ -4,6 +4,7 @@ #include <linux/inet.h> #include <linux/ceph/decode.h> +#include <linux/ceph/messenger.h> /* for ceph_pr_addr() */ static int ceph_decode_entity_addr_versioned(void **p, void *end, @@ -110,6 +111,7 @@ int ceph_decode_entity_addrvec(void **p, void *end, bool msgr2, } ceph_decode_32_safe(p, end, addr_cnt, e_inval); + dout("%s addr_cnt %d\n", __func__, addr_cnt); found = false; for (i = 0; i < addr_cnt; i++) { @@ -117,6 +119,7 @@ int ceph_decode_entity_addrvec(void **p, void *end, bool msgr2, if (ret) return ret; + dout("%s i %d addr %s\n", __func__, i, ceph_pr_addr(&tmp_addr)); if (tmp_addr.type == my_type) { if (found) { pr_err("another match of type %d in addrvec\n", @@ -128,13 +131,18 @@ int ceph_decode_entity_addrvec(void **p, void *end, bool msgr2, found = true; } } - if (!found && addr_cnt != 0) { - pr_err("no match of type %d in addrvec\n", - le32_to_cpu(my_type)); - return -ENOENT; - } - return 0; + if (found) + return 0; + + if (!addr_cnt) + return 0; /* normal -- e.g. unused OSD id/slot */ + + if (addr_cnt == 1 && !memchr_inv(&tmp_addr, 0, sizeof(tmp_addr))) + return 0; /* weird but effectively the same as !addr_cnt */ + + pr_err("no match of type %d in addrvec\n", le32_to_cpu(my_type)); + return -ENOENT; e_inval: return -EINVAL; diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index 290012d0d11d..88d8a0243f35 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -387,7 +387,8 @@ static int ethnl_default_dump_one(struct sk_buff *skb, struct net_device *dev, int ret; ehdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, - ðtool_genl_family, 0, ctx->ops->reply_cmd); + ðtool_genl_family, NLM_F_MULTI, + ctx->ops->reply_cmd); if (!ehdr) return -EMSGSIZE; diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c index b218e4594009..6852e9bccf5b 100644 --- a/net/hsr/hsr_forward.c +++ b/net/hsr/hsr_forward.c @@ -520,6 +520,10 @@ static int fill_frame_info(struct hsr_frame_info *frame, struct ethhdr *ethhdr; __be16 proto; + /* Check if skb contains hsr_ethhdr */ + if (skb->mac_len < sizeof(struct hsr_ethhdr)) + return -EINVAL; + memset(frame, 0, sizeof(*frame)); frame->is_supervision = is_supervision_frame(port->hsr, skb); frame->node_src = hsr_get_node(port, &hsr->node_db, skb, diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index cf20316094d0..c53f14b94356 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -1556,13 +1556,12 @@ out_free: return ret; } -void arpt_unregister_table_pre_exit(struct net *net, const char *name, - const struct nf_hook_ops *ops) +void arpt_unregister_table_pre_exit(struct net *net, const char *name) { struct xt_table *table = xt_find_table(net, NFPROTO_ARP, name); if (table) - nf_unregister_net_hooks(net, ops, hweight32(table->valid_hooks)); + nf_unregister_net_hooks(net, table->ops, hweight32(table->valid_hooks)); } EXPORT_SYMBOL(arpt_unregister_table_pre_exit); diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c index b8f45e9bbec8..6922612df456 100644 --- a/net/ipv4/netfilter/arptable_filter.c +++ b/net/ipv4/netfilter/arptable_filter.c @@ -54,7 +54,7 @@ static int __net_init arptable_filter_table_init(struct net *net) static void __net_exit arptable_filter_net_pre_exit(struct net *net) { - arpt_unregister_table_pre_exit(net, "filter", arpfilter_ops); + arpt_unregister_table_pre_exit(net, "filter"); } static void __net_exit arptable_filter_net_exit(struct net *net) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index e14fd0c50c10..f1c1f9e3de72 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2039,6 +2039,7 @@ static void tcp_zc_finalize_rx_tstamp(struct sock *sk, (__kernel_size_t)zc->msg_controllen; cmsg_dummy.msg_flags = in_compat_syscall() ? MSG_CMSG_COMPAT : 0; + cmsg_dummy.msg_control_is_user = true; zc->msg_flags = 0; if (zc->msg_control == msg_control_addr && zc->msg_controllen == cmsg_dummy.msg_controllen) { diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c index 563d016e7478..db5831e6c136 100644 --- a/net/ipv4/tcp_cong.c +++ b/net/ipv4/tcp_cong.c @@ -230,6 +230,10 @@ int tcp_set_default_congestion_control(struct net *net, const char *name) ret = -ENOENT; } else if (!bpf_try_module_get(ca, ca->owner)) { ret = -EBUSY; + } else if (!net_eq(net, &init_net) && + !(ca->flags & TCP_CONG_NON_RESTRICTED)) { + /* Only init netns can set default to a restricted algorithm */ + ret = -EPERM; } else { prev = xchg(&net->ipv4.tcp_congestion_control, ca); if (prev) diff --git a/net/ipv6/seg6.c b/net/ipv6/seg6.c index d2f8138e5a73..e412817fba2f 100644 --- a/net/ipv6/seg6.c +++ b/net/ipv6/seg6.c @@ -122,9 +122,6 @@ static int seg6_genl_sethmac(struct sk_buff *skb, struct genl_info *info) hinfo = seg6_hmac_info_lookup(net, hmackeyid); if (!slen) { - if (!hinfo) - err = -ENOENT; - err = seg6_hmac_info_del(net, hmackeyid); goto out_unlock; diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c index bd7140885e60..4ff38cb08f4b 100644 --- a/net/ipv6/seg6_local.c +++ b/net/ipv6/seg6_local.c @@ -93,6 +93,35 @@ struct seg6_end_dt_info { int hdrlen; }; +struct pcpu_seg6_local_counters { + u64_stats_t packets; + u64_stats_t bytes; + u64_stats_t errors; + + struct u64_stats_sync syncp; +}; + +/* This struct groups all the SRv6 Behavior counters supported so far. + * + * put_nla_counters() makes use of this data structure to collect all counter + * values after the per-CPU counter evaluation has been performed. + * Finally, each counter value (in seg6_local_counters) is stored in the + * corresponding netlink attribute and sent to user space. + * + * NB: we don't want to expose this structure to user space! + */ +struct seg6_local_counters { + __u64 packets; + __u64 bytes; + __u64 errors; +}; + +#define seg6_local_alloc_pcpu_counters(__gfp) \ + __netdev_alloc_pcpu_stats(struct pcpu_seg6_local_counters, \ + ((__gfp) | __GFP_ZERO)) + +#define SEG6_F_LOCAL_COUNTERS SEG6_F_ATTR(SEG6_LOCAL_COUNTERS) + struct seg6_local_lwt { int action; struct ipv6_sr_hdr *srh; @@ -105,6 +134,7 @@ struct seg6_local_lwt { #ifdef CONFIG_NET_L3_MASTER_DEV struct seg6_end_dt_info dt_info; #endif + struct pcpu_seg6_local_counters __percpu *pcpu_counters; int headroom; struct seg6_action_desc *desc; @@ -878,36 +908,43 @@ static struct seg6_action_desc seg6_action_table[] = { { .action = SEG6_LOCAL_ACTION_END, .attrs = 0, + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end, }, { .action = SEG6_LOCAL_ACTION_END_X, .attrs = SEG6_F_ATTR(SEG6_LOCAL_NH6), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_x, }, { .action = SEG6_LOCAL_ACTION_END_T, .attrs = SEG6_F_ATTR(SEG6_LOCAL_TABLE), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_t, }, { .action = SEG6_LOCAL_ACTION_END_DX2, .attrs = SEG6_F_ATTR(SEG6_LOCAL_OIF), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_dx2, }, { .action = SEG6_LOCAL_ACTION_END_DX6, .attrs = SEG6_F_ATTR(SEG6_LOCAL_NH6), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_dx6, }, { .action = SEG6_LOCAL_ACTION_END_DX4, .attrs = SEG6_F_ATTR(SEG6_LOCAL_NH4), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_dx4, }, { .action = SEG6_LOCAL_ACTION_END_DT4, .attrs = SEG6_F_ATTR(SEG6_LOCAL_VRFTABLE), + .optattrs = SEG6_F_LOCAL_COUNTERS, #ifdef CONFIG_NET_L3_MASTER_DEV .input = input_action_end_dt4, .slwt_ops = { @@ -919,30 +956,35 @@ static struct seg6_action_desc seg6_action_table[] = { .action = SEG6_LOCAL_ACTION_END_DT6, #ifdef CONFIG_NET_L3_MASTER_DEV .attrs = 0, - .optattrs = SEG6_F_ATTR(SEG6_LOCAL_TABLE) | + .optattrs = SEG6_F_LOCAL_COUNTERS | + SEG6_F_ATTR(SEG6_LOCAL_TABLE) | SEG6_F_ATTR(SEG6_LOCAL_VRFTABLE), .slwt_ops = { .build_state = seg6_end_dt6_build, }, #else .attrs = SEG6_F_ATTR(SEG6_LOCAL_TABLE), + .optattrs = SEG6_F_LOCAL_COUNTERS, #endif .input = input_action_end_dt6, }, { .action = SEG6_LOCAL_ACTION_END_B6, .attrs = SEG6_F_ATTR(SEG6_LOCAL_SRH), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_b6, }, { .action = SEG6_LOCAL_ACTION_END_B6_ENCAP, .attrs = SEG6_F_ATTR(SEG6_LOCAL_SRH), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_b6_encap, .static_headroom = sizeof(struct ipv6hdr), }, { .action = SEG6_LOCAL_ACTION_END_BPF, .attrs = SEG6_F_ATTR(SEG6_LOCAL_BPF), + .optattrs = SEG6_F_LOCAL_COUNTERS, .input = input_action_end_bpf, }, @@ -963,11 +1005,36 @@ static struct seg6_action_desc *__get_action_desc(int action) return NULL; } +static bool seg6_lwtunnel_counters_enabled(struct seg6_local_lwt *slwt) +{ + return slwt->parsed_optattrs & SEG6_F_LOCAL_COUNTERS; +} + +static void seg6_local_update_counters(struct seg6_local_lwt *slwt, + unsigned int len, int err) +{ + struct pcpu_seg6_local_counters *pcounters; + + pcounters = this_cpu_ptr(slwt->pcpu_counters); + u64_stats_update_begin(&pcounters->syncp); + + if (likely(!err)) { + u64_stats_inc(&pcounters->packets); + u64_stats_add(&pcounters->bytes, len); + } else { + u64_stats_inc(&pcounters->errors); + } + + u64_stats_update_end(&pcounters->syncp); +} + static int seg6_local_input(struct sk_buff *skb) { struct dst_entry *orig_dst = skb_dst(skb); struct seg6_action_desc *desc; struct seg6_local_lwt *slwt; + unsigned int len = skb->len; + int rc; if (skb->protocol != htons(ETH_P_IPV6)) { kfree_skb(skb); @@ -977,7 +1044,14 @@ static int seg6_local_input(struct sk_buff *skb) slwt = seg6_local_lwtunnel(orig_dst->lwtstate); desc = slwt->desc; - return desc->input(skb, slwt); + rc = desc->input(skb, slwt); + + if (!seg6_lwtunnel_counters_enabled(slwt)) + return rc; + + seg6_local_update_counters(slwt, len, rc); + + return rc; } static const struct nla_policy seg6_local_policy[SEG6_LOCAL_MAX + 1] = { @@ -992,6 +1066,7 @@ static const struct nla_policy seg6_local_policy[SEG6_LOCAL_MAX + 1] = { [SEG6_LOCAL_IIF] = { .type = NLA_U32 }, [SEG6_LOCAL_OIF] = { .type = NLA_U32 }, [SEG6_LOCAL_BPF] = { .type = NLA_NESTED }, + [SEG6_LOCAL_COUNTERS] = { .type = NLA_NESTED }, }; static int parse_nla_srh(struct nlattr **attrs, struct seg6_local_lwt *slwt) @@ -1296,6 +1371,112 @@ static void destroy_attr_bpf(struct seg6_local_lwt *slwt) bpf_prog_put(slwt->bpf.prog); } +static const struct +nla_policy seg6_local_counters_policy[SEG6_LOCAL_CNT_MAX + 1] = { + [SEG6_LOCAL_CNT_PACKETS] = { .type = NLA_U64 }, + [SEG6_LOCAL_CNT_BYTES] = { .type = NLA_U64 }, + [SEG6_LOCAL_CNT_ERRORS] = { .type = NLA_U64 }, +}; + +static int parse_nla_counters(struct nlattr **attrs, + struct seg6_local_lwt *slwt) +{ + struct pcpu_seg6_local_counters __percpu *pcounters; + struct nlattr *tb[SEG6_LOCAL_CNT_MAX + 1]; + int ret; + + ret = nla_parse_nested_deprecated(tb, SEG6_LOCAL_CNT_MAX, + attrs[SEG6_LOCAL_COUNTERS], + seg6_local_counters_policy, NULL); + if (ret < 0) + return ret; + + /* basic support for SRv6 Behavior counters requires at least: + * packets, bytes and errors. + */ + if (!tb[SEG6_LOCAL_CNT_PACKETS] || !tb[SEG6_LOCAL_CNT_BYTES] || + !tb[SEG6_LOCAL_CNT_ERRORS]) + return -EINVAL; + + /* counters are always zero initialized */ + pcounters = seg6_local_alloc_pcpu_counters(GFP_KERNEL); + if (!pcounters) + return -ENOMEM; + + slwt->pcpu_counters = pcounters; + + return 0; +} + +static int seg6_local_fill_nla_counters(struct sk_buff *skb, + struct seg6_local_counters *counters) +{ + if (nla_put_u64_64bit(skb, SEG6_LOCAL_CNT_PACKETS, counters->packets, + SEG6_LOCAL_CNT_PAD)) + return -EMSGSIZE; + + if (nla_put_u64_64bit(skb, SEG6_LOCAL_CNT_BYTES, counters->bytes, + SEG6_LOCAL_CNT_PAD)) + return -EMSGSIZE; + + if (nla_put_u64_64bit(skb, SEG6_LOCAL_CNT_ERRORS, counters->errors, + SEG6_LOCAL_CNT_PAD)) + return -EMSGSIZE; + + return 0; +} + +static int put_nla_counters(struct sk_buff *skb, struct seg6_local_lwt *slwt) +{ + struct seg6_local_counters counters = { 0, 0, 0 }; + struct nlattr *nest; + int rc, i; + + nest = nla_nest_start(skb, SEG6_LOCAL_COUNTERS); + if (!nest) + return -EMSGSIZE; + + for_each_possible_cpu(i) { + struct pcpu_seg6_local_counters *pcounters; + u64 packets, bytes, errors; + unsigned int start; + + pcounters = per_cpu_ptr(slwt->pcpu_counters, i); + do { + start = u64_stats_fetch_begin_irq(&pcounters->syncp); + + packets = u64_stats_read(&pcounters->packets); + bytes = u64_stats_read(&pcounters->bytes); + errors = u64_stats_read(&pcounters->errors); + + } while (u64_stats_fetch_retry_irq(&pcounters->syncp, start)); + + counters.packets += packets; + counters.bytes += bytes; + counters.errors += errors; + } + + rc = seg6_local_fill_nla_counters(skb, &counters); + if (rc < 0) { + nla_nest_cancel(skb, nest); + return rc; + } + + return nla_nest_end(skb, nest); +} + +static int cmp_nla_counters(struct seg6_local_lwt *a, struct seg6_local_lwt *b) +{ + /* a and b are equal if both have pcpu_counters set or not */ + return (!!((unsigned long)a->pcpu_counters)) ^ + (!!((unsigned long)b->pcpu_counters)); +} + +static void destroy_attr_counters(struct seg6_local_lwt *slwt) +{ + free_percpu(slwt->pcpu_counters); +} + struct seg6_action_param { int (*parse)(struct nlattr **attrs, struct seg6_local_lwt *slwt); int (*put)(struct sk_buff *skb, struct seg6_local_lwt *slwt); @@ -1343,6 +1524,10 @@ static struct seg6_action_param seg6_action_params[SEG6_LOCAL_MAX + 1] = { .put = put_nla_vrftable, .cmp = cmp_nla_vrftable }, + [SEG6_LOCAL_COUNTERS] = { .parse = parse_nla_counters, + .put = put_nla_counters, + .cmp = cmp_nla_counters, + .destroy = destroy_attr_counters }, }; /* call the destroy() callback (if available) for each set attribute in @@ -1645,6 +1830,15 @@ static int seg6_local_get_encap_size(struct lwtunnel_state *lwt) if (attrs & SEG6_F_ATTR(SEG6_LOCAL_VRFTABLE)) nlsize += nla_total_size(4); + if (attrs & SEG6_F_LOCAL_COUNTERS) + nlsize += nla_total_size(0) + /* nest SEG6_LOCAL_COUNTERS */ + /* SEG6_LOCAL_CNT_PACKETS */ + nla_total_size_64bit(sizeof(__u64)) + + /* SEG6_LOCAL_CNT_BYTES */ + nla_total_size_64bit(sizeof(__u64)) + + /* SEG6_LOCAL_CNT_ERRORS */ + nla_total_size_64bit(sizeof(__u64)); + return nlsize; } diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 82e91b00ad39..a5ede357cfbc 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -546,8 +546,7 @@ static void mptcp_sock_destruct(struct sock *sk) * ESTABLISHED state and will not have the SOCK_DEAD flag. * Both result in warnings from inet_sock_destruct. */ - - if (sk->sk_state == TCP_ESTABLISHED) { + if ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)) { sk->sk_state = TCP_CLOSE; WARN_ON_ONCE(sk->sk_socket); sock_orphan(sk); diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c index b22801f97bce..a414274338cf 100644 --- a/net/netfilter/nf_conntrack_ftp.c +++ b/net/netfilter/nf_conntrack_ftp.c @@ -413,7 +413,10 @@ static int help(struct sk_buff *skb, spin_lock_bh(&nf_ftp_lock); fb_ptr = skb_header_pointer(skb, dataoff, datalen, ftp_buffer); - BUG_ON(fb_ptr == NULL); + if (!fb_ptr) { + spin_unlock_bh(&nf_ftp_lock); + return NF_ACCEPT; + } ends_in_nl = (fb_ptr[datalen - 1] == '\n'); seq = ntohl(th->seq) + datalen; diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c index 8ba037b76ad3..aafaff00baf1 100644 --- a/net/netfilter/nf_conntrack_h323_main.c +++ b/net/netfilter/nf_conntrack_h323_main.c @@ -146,7 +146,8 @@ static int get_tpkt_data(struct sk_buff *skb, unsigned int protoff, /* Get first TPKT pointer */ tpkt = skb_header_pointer(skb, tcpdataoff, tcpdatalen, h323_buffer); - BUG_ON(tpkt == NULL); + if (!tpkt) + goto clear_out; /* Validate TPKT identifier */ if (tcpdatalen < 4 || tpkt[0] != 0x03 || tpkt[1] != 0) { diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c index e40988a2f22f..08ee4e760a3d 100644 --- a/net/netfilter/nf_conntrack_irc.c +++ b/net/netfilter/nf_conntrack_irc.c @@ -143,7 +143,10 @@ static int help(struct sk_buff *skb, unsigned int protoff, spin_lock_bh(&irc_buffer_lock); ib_ptr = skb_header_pointer(skb, dataoff, skb->len - dataoff, irc_buffer); - BUG_ON(ib_ptr == NULL); + if (!ib_ptr) { + spin_unlock_bh(&irc_buffer_lock); + return NF_ACCEPT; + } data = ib_ptr; data_limit = ib_ptr + skb->len - dataoff; diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c index 5105d4250012..7d5708b92138 100644 --- a/net/netfilter/nf_conntrack_pptp.c +++ b/net/netfilter/nf_conntrack_pptp.c @@ -544,7 +544,9 @@ conntrack_pptp_help(struct sk_buff *skb, unsigned int protoff, nexthdr_off = protoff; tcph = skb_header_pointer(skb, nexthdr_off, sizeof(_tcph), &_tcph); - BUG_ON(!tcph); + if (!tcph) + return NF_ACCEPT; + nexthdr_off += tcph->doff * 4; datalen = tcplen - tcph->doff * 4; diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 318b8f723349..34e22416a721 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -338,7 +338,8 @@ static void tcp_options(const struct sk_buff *skb, ptr = skb_header_pointer(skb, dataoff + sizeof(struct tcphdr), length, buff); - BUG_ON(ptr == NULL); + if (!ptr) + return; state->td_scale = state->flags = 0; @@ -394,7 +395,8 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff, ptr = skb_header_pointer(skb, dataoff + sizeof(struct tcphdr), length, buff); - BUG_ON(ptr == NULL); + if (!ptr) + return; /* Fast path for timestamp-only option */ if (length == TCPOLEN_TSTAMP_ALIGNED diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c index 1aebd6569d4e..fcb33b1d5456 100644 --- a/net/netfilter/nf_conntrack_sane.c +++ b/net/netfilter/nf_conntrack_sane.c @@ -95,7 +95,10 @@ static int help(struct sk_buff *skb, spin_lock_bh(&nf_sane_lock); sb_ptr = skb_header_pointer(skb, dataoff, datalen, sane_buffer); - BUG_ON(sb_ptr == NULL); + if (!sb_ptr) { + spin_unlock_bh(&nf_sane_lock); + return NF_ACCEPT; + } if (dir == IP_CT_DIR_ORIGINAL) { if (datalen != sizeof(struct sane_request)) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 0b7fe0a902ff..d63d2d8f769c 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4184,6 +4184,7 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, unsigned char *udata; struct nft_set *set; struct nft_ctx ctx; + size_t alloc_size; u64 timeout; char *name; int err, i; @@ -4329,8 +4330,10 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, size = 0; if (ops->privsize != NULL) size = ops->privsize(nla, &desc); - - set = kvzalloc(sizeof(*set) + size + udlen, GFP_KERNEL); + alloc_size = sizeof(*set) + size + udlen; + if (alloc_size < size) + return -ENOMEM; + set = kvzalloc(alloc_size, GFP_KERNEL); if (!set) return -ENOMEM; @@ -6615,9 +6618,9 @@ err_obj_ht: INIT_LIST_HEAD(&obj->list); return err; err_trans: - kfree(obj->key.name); -err_userdata: kfree(obj->udata); +err_userdata: + kfree(obj->key.name); err_strdup: if (obj->ops->destroy) obj->ops->destroy(&ctx, obj); diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index d7a9628b6cee..e8dbd8379027 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -295,6 +295,7 @@ replay: nfnl_unlock(subsys_id); break; default: + rcu_read_unlock(); err = -EINVAL; break; } diff --git a/net/netfilter/nfnetlink_osf.c b/net/netfilter/nfnetlink_osf.c index e8f8875c6884..0fa2e2030427 100644 --- a/net/netfilter/nfnetlink_osf.c +++ b/net/netfilter/nfnetlink_osf.c @@ -186,6 +186,8 @@ static const struct tcphdr *nf_osf_hdr_ctx_init(struct nf_osf_hdr_ctx *ctx, ctx->optp = skb_header_pointer(skb, ip_hdrlen(skb) + sizeof(struct tcphdr), ctx->optsize, opts); + if (!ctx->optp) + return NULL; } return tcp; diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c index 58f576abcd4a..7b3d0a78c569 100644 --- a/net/netfilter/nft_set_hash.c +++ b/net/netfilter/nft_set_hash.c @@ -412,9 +412,17 @@ static void nft_rhash_destroy(const struct nft_set *set) (void *)set); } +/* Number of buckets is stored in u32, so cap our result to 1U<<31 */ +#define NFT_MAX_BUCKETS (1U << 31) + static u32 nft_hash_buckets(u32 size) { - return roundup_pow_of_two(size * 4 / 3); + u64 val = div_u64((u64)size * 4, 3); + + if (val >= NFT_MAX_BUCKETS) + return NFT_MAX_BUCKETS; + + return roundup_pow_of_two(val); } static bool nft_rhash_estimate(const struct nft_set_desc *desc, u32 features, @@ -615,7 +623,7 @@ static u64 nft_hash_privsize(const struct nlattr * const nla[], const struct nft_set_desc *desc) { return sizeof(struct nft_hash) + - nft_hash_buckets(desc->size) * sizeof(struct hlist_head); + (u64)nft_hash_buckets(desc->size) * sizeof(struct hlist_head); } static int nft_hash_init(const struct nft_set *set, @@ -655,8 +663,8 @@ static bool nft_hash_estimate(const struct nft_set_desc *desc, u32 features, return false; est->size = sizeof(struct nft_hash) + - nft_hash_buckets(desc->size) * sizeof(struct hlist_head) + - desc->size * sizeof(struct nft_hash_elem); + (u64)nft_hash_buckets(desc->size) * sizeof(struct hlist_head) + + (u64)desc->size * sizeof(struct nft_hash_elem); est->lookup = NFT_SET_CLASS_O_1; est->space = NFT_SET_CLASS_O_N; @@ -673,8 +681,8 @@ static bool nft_hash_fast_estimate(const struct nft_set_desc *desc, u32 features return false; est->size = sizeof(struct nft_hash) + - nft_hash_buckets(desc->size) * sizeof(struct hlist_head) + - desc->size * sizeof(struct nft_hash_elem); + (u64)nft_hash_buckets(desc->size) * sizeof(struct hlist_head) + + (u64)desc->size * sizeof(struct nft_hash_elem); est->lookup = NFT_SET_CLASS_O_1; est->space = NFT_SET_CLASS_O_N; diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c index 75625d13e976..498a0bf6f044 100644 --- a/net/netfilter/xt_SECMARK.c +++ b/net/netfilter/xt_SECMARK.c @@ -24,10 +24,9 @@ MODULE_ALIAS("ip6t_SECMARK"); static u8 mode; static unsigned int -secmark_tg(struct sk_buff *skb, const struct xt_action_param *par) +secmark_tg(struct sk_buff *skb, const struct xt_secmark_target_info_v1 *info) { u32 secmark = 0; - const struct xt_secmark_target_info *info = par->targinfo; switch (mode) { case SECMARK_MODE_SEL: @@ -41,7 +40,7 @@ secmark_tg(struct sk_buff *skb, const struct xt_action_param *par) return XT_CONTINUE; } -static int checkentry_lsm(struct xt_secmark_target_info *info) +static int checkentry_lsm(struct xt_secmark_target_info_v1 *info) { int err; @@ -73,15 +72,15 @@ static int checkentry_lsm(struct xt_secmark_target_info *info) return 0; } -static int secmark_tg_check(const struct xt_tgchk_param *par) +static int +secmark_tg_check(const char *table, struct xt_secmark_target_info_v1 *info) { - struct xt_secmark_target_info *info = par->targinfo; int err; - if (strcmp(par->table, "mangle") != 0 && - strcmp(par->table, "security") != 0) { + if (strcmp(table, "mangle") != 0 && + strcmp(table, "security") != 0) { pr_info_ratelimited("only valid in \'mangle\' or \'security\' table, not \'%s\'\n", - par->table); + table); return -EINVAL; } @@ -116,25 +115,76 @@ static void secmark_tg_destroy(const struct xt_tgdtor_param *par) } } -static struct xt_target secmark_tg_reg __read_mostly = { - .name = "SECMARK", - .revision = 0, - .family = NFPROTO_UNSPEC, - .checkentry = secmark_tg_check, - .destroy = secmark_tg_destroy, - .target = secmark_tg, - .targetsize = sizeof(struct xt_secmark_target_info), - .me = THIS_MODULE, +static int secmark_tg_check_v0(const struct xt_tgchk_param *par) +{ + struct xt_secmark_target_info *info = par->targinfo; + struct xt_secmark_target_info_v1 newinfo = { + .mode = info->mode, + }; + int ret; + + memcpy(newinfo.secctx, info->secctx, SECMARK_SECCTX_MAX); + + ret = secmark_tg_check(par->table, &newinfo); + info->secid = newinfo.secid; + + return ret; +} + +static unsigned int +secmark_tg_v0(struct sk_buff *skb, const struct xt_action_param *par) +{ + const struct xt_secmark_target_info *info = par->targinfo; + struct xt_secmark_target_info_v1 newinfo = { + .secid = info->secid, + }; + + return secmark_tg(skb, &newinfo); +} + +static int secmark_tg_check_v1(const struct xt_tgchk_param *par) +{ + return secmark_tg_check(par->table, par->targinfo); +} + +static unsigned int +secmark_tg_v1(struct sk_buff *skb, const struct xt_action_param *par) +{ + return secmark_tg(skb, par->targinfo); +} + +static struct xt_target secmark_tg_reg[] __read_mostly = { + { + .name = "SECMARK", + .revision = 0, + .family = NFPROTO_UNSPEC, + .checkentry = secmark_tg_check_v0, + .destroy = secmark_tg_destroy, + .target = secmark_tg_v0, + .targetsize = sizeof(struct xt_secmark_target_info), + .me = THIS_MODULE, + }, + { + .name = "SECMARK", + .revision = 1, + .family = NFPROTO_UNSPEC, + .checkentry = secmark_tg_check_v1, + .destroy = secmark_tg_destroy, + .target = secmark_tg_v1, + .targetsize = sizeof(struct xt_secmark_target_info_v1), + .usersize = offsetof(struct xt_secmark_target_info_v1, secid), + .me = THIS_MODULE, + }, }; static int __init secmark_tg_init(void) { - return xt_register_target(&secmark_tg_reg); + return xt_register_targets(secmark_tg_reg, ARRAY_SIZE(secmark_tg_reg)); } static void __exit secmark_tg_exit(void) { - xt_unregister_target(&secmark_tg_reg); + xt_unregister_targets(secmark_tg_reg, ARRAY_SIZE(secmark_tg_reg)); } module_init(secmark_tg_init); diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index a3b46f888803..53dbe733f998 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -109,12 +109,14 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) GFP_KERNEL); if (!llcp_sock->service_name) { nfc_llcp_local_put(llcp_sock->local); + llcp_sock->local = NULL; ret = -ENOMEM; goto put_dev; } llcp_sock->ssap = nfc_llcp_get_sdp_ssap(local, llcp_sock); if (llcp_sock->ssap == LLCP_SAP_MAX) { nfc_llcp_local_put(llcp_sock->local); + llcp_sock->local = NULL; kfree(llcp_sock->service_name); llcp_sock->service_name = NULL; ret = -EADDRINUSE; @@ -709,6 +711,7 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr, llcp_sock->ssap = nfc_llcp_get_local_ssap(local); if (llcp_sock->ssap == LLCP_SAP_MAX) { nfc_llcp_local_put(llcp_sock->local); + llcp_sock->local = NULL; ret = -ENOMEM; goto put_dev; } @@ -756,6 +759,7 @@ sock_unlink: sock_llcp_release: nfc_llcp_put_ssap(local, llcp_sock->ssap); nfc_llcp_local_put(llcp_sock->local); + llcp_sock->local = NULL; put_dev: nfc_put_device(dev); diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 92a0b67b2728..77d924ab8cdb 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -827,17 +827,17 @@ static void ovs_fragment(struct net *net, struct vport *vport, } if (key->eth.type == htons(ETH_P_IP)) { - struct dst_entry ovs_dst; + struct rtable ovs_rt = { 0 }; unsigned long orig_dst; prepare_frag(vport, skb, orig_network_offset, ovs_key_mac_proto(key)); - dst_init(&ovs_dst, &ovs_dst_ops, NULL, 1, + dst_init(&ovs_rt.dst, &ovs_dst_ops, NULL, 1, DST_OBSOLETE_NONE, DST_NOCOUNT); - ovs_dst.dev = vport->dev; + ovs_rt.dst.dev = vport->dev; orig_dst = skb->_skb_refdst; - skb_dst_set_noref(skb, &ovs_dst); + skb_dst_set_noref(skb, &ovs_rt.dst); IPCB(skb)->frag_max_size = mru; ip_do_fragment(net, skb->sk, skb, ovs_vport_output); diff --git a/net/sched/sch_frag.c b/net/sched/sch_frag.c index e1e77d3fb6c0..8c06381391d6 100644 --- a/net/sched/sch_frag.c +++ b/net/sched/sch_frag.c @@ -90,16 +90,16 @@ static int sch_fragment(struct net *net, struct sk_buff *skb, } if (skb_protocol(skb, true) == htons(ETH_P_IP)) { - struct dst_entry sch_frag_dst; + struct rtable sch_frag_rt = { 0 }; unsigned long orig_dst; sch_frag_prepare_frag(skb, xmit); - dst_init(&sch_frag_dst, &sch_frag_dst_ops, NULL, 1, + dst_init(&sch_frag_rt.dst, &sch_frag_dst_ops, NULL, 1, DST_OBSOLETE_NONE, DST_NOCOUNT); - sch_frag_dst.dev = skb->dev; + sch_frag_rt.dst.dev = skb->dev; orig_dst = skb->_skb_refdst; - skb_dst_set_noref(skb, &sch_frag_dst); + skb_dst_set_noref(skb, &sch_frag_rt.dst); IPCB(skb)->frag_max_size = mru; ret = ip_do_fragment(net, skb->sk, skb, sch_frag_xmit); diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 5f9a7c028274..5b44d228b6ca 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -858,11 +858,7 @@ struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc, struct sctp_chunk *retval; __u32 ctsn; - if (chunk && chunk->asoc) - ctsn = sctp_tsnmap_get_ctsn(&chunk->asoc->peer.tsn_map); - else - ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map); - + ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map); shut.cum_tsn_ack = htonl(ctsn); retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN, 0, diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 0948f14ce221..ce15d590a615 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -826,28 +826,6 @@ static void sctp_cmd_setup_t2(struct sctp_cmd_seq *cmds, asoc->timeouts[SCTP_EVENT_TIMEOUT_T2_SHUTDOWN] = t->rto; } -static void sctp_cmd_assoc_update(struct sctp_cmd_seq *cmds, - struct sctp_association *asoc, - struct sctp_association *new) -{ - struct net *net = asoc->base.net; - struct sctp_chunk *abort; - - if (!sctp_assoc_update(asoc, new)) - return; - - abort = sctp_make_abort(asoc, NULL, sizeof(struct sctp_errhdr)); - if (abort) { - sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0); - sctp_add_cmd_sf(cmds, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); - } - sctp_add_cmd_sf(cmds, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNABORTED)); - sctp_add_cmd_sf(cmds, SCTP_CMD_ASSOC_FAILED, - SCTP_PERR(SCTP_ERROR_RSRC_LOW)); - SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS); - SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB); -} - /* Helper function to change the state of an association. */ static void sctp_cmd_new_state(struct sctp_cmd_seq *cmds, struct sctp_association *asoc, @@ -1301,10 +1279,6 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type, sctp_endpoint_add_asoc(ep, asoc); break; - case SCTP_CMD_UPDATE_ASSOC: - sctp_cmd_assoc_update(commands, asoc, cmd->obj.asoc); - break; - case SCTP_CMD_PURGE_OUTQUEUE: sctp_outq_teardown(&asoc->outqueue); break; diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 7632714c1e5b..fd1e319eda00 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1773,6 +1773,30 @@ enum sctp_disposition sctp_sf_do_5_2_3_initack( return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands); } +static int sctp_sf_do_assoc_update(struct sctp_association *asoc, + struct sctp_association *new, + struct sctp_cmd_seq *cmds) +{ + struct net *net = asoc->base.net; + struct sctp_chunk *abort; + + if (!sctp_assoc_update(asoc, new)) + return 0; + + abort = sctp_make_abort(asoc, NULL, sizeof(struct sctp_errhdr)); + if (abort) { + sctp_init_cause(abort, SCTP_ERROR_RSRC_LOW, 0); + sctp_add_cmd_sf(cmds, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); + } + sctp_add_cmd_sf(cmds, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNABORTED)); + sctp_add_cmd_sf(cmds, SCTP_CMD_ASSOC_FAILED, + SCTP_PERR(SCTP_ERROR_RSRC_LOW)); + SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS); + SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB); + + return -ENOMEM; +} + /* Unexpected COOKIE-ECHO handler for peer restart (Table 2, action 'A') * * Section 5.2.4 @@ -1852,20 +1876,22 @@ static enum sctp_disposition sctp_sf_do_dupcook_a( SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO)); sctp_add_cmd_sf(commands, SCTP_CMD_PURGE_ASCONF_QUEUE, SCTP_NULL()); - repl = sctp_make_cookie_ack(new_asoc, chunk); + /* Update the content of current association. */ + if (sctp_sf_do_assoc_update((struct sctp_association *)asoc, new_asoc, commands)) + goto nomem; + + repl = sctp_make_cookie_ack(asoc, chunk); if (!repl) goto nomem; /* Report association restart to upper layer. */ ev = sctp_ulpevent_make_assoc_change(asoc, 0, SCTP_RESTART, 0, - new_asoc->c.sinit_num_ostreams, - new_asoc->c.sinit_max_instreams, + asoc->c.sinit_num_ostreams, + asoc->c.sinit_max_instreams, NULL, GFP_ATOMIC); if (!ev) goto nomem_ev; - /* Update the content of current association. */ - sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc)); sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev)); if ((sctp_state(asoc, SHUTDOWN_PENDING) || sctp_state(asoc, SHUTDOWN_SENT)) && @@ -1925,14 +1951,17 @@ static enum sctp_disposition sctp_sf_do_dupcook_b( if (!sctp_auth_chunk_verify(net, chunk, new_asoc)) return SCTP_DISPOSITION_DISCARD; - /* Update the content of current association. */ - sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc)); sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, SCTP_STATE(SCTP_STATE_ESTABLISHED)); - SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB); + if (asoc->state < SCTP_STATE_ESTABLISHED) + SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB); sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START, SCTP_NULL()); - repl = sctp_make_cookie_ack(new_asoc, chunk); + /* Update the content of current association. */ + if (sctp_sf_do_assoc_update((struct sctp_association *)asoc, new_asoc, commands)) + goto nomem; + + repl = sctp_make_cookie_ack(asoc, chunk); if (!repl) goto nomem; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index b7b90135c36a..40f9f6c4a0a1 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -357,6 +357,18 @@ static struct sctp_af *sctp_sockaddr_af(struct sctp_sock *opt, return af; } +static void sctp_auto_asconf_init(struct sctp_sock *sp) +{ + struct net *net = sock_net(&sp->inet.sk); + + if (net->sctp.default_auto_asconf) { + spin_lock(&net->sctp.addr_wq_lock); + list_add_tail(&sp->auto_asconf_list, &net->sctp.auto_asconf_splist); + spin_unlock(&net->sctp.addr_wq_lock); + sp->do_auto_asconf = 1; + } +} + /* Bind a local address either to an endpoint or to an association. */ static int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) { @@ -418,8 +430,10 @@ static int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) return -EADDRINUSE; /* Refresh ephemeral port. */ - if (!bp->port) + if (!bp->port) { bp->port = inet_sk(sk)->inet_num; + sctp_auto_asconf_init(sp); + } /* Add the address to the bind address list. * Use GFP_ATOMIC since BHs will be disabled. @@ -1520,9 +1534,11 @@ static void sctp_close(struct sock *sk, long timeout) /* Supposedly, no process has access to the socket, but * the net layers still may. + * Also, sctp_destroy_sock() needs to be called with addr_wq_lock + * held and that should be grabbed before socket lock. */ - local_bh_disable(); - bh_lock_sock(sk); + spin_lock_bh(&net->sctp.addr_wq_lock); + bh_lock_sock_nested(sk); /* Hold the sock, since sk_common_release() will put sock_put() * and we have just a little more cleanup. @@ -1531,7 +1547,7 @@ static void sctp_close(struct sock *sk, long timeout) sk_common_release(sk); bh_unlock_sock(sk); - local_bh_enable(); + spin_unlock_bh(&net->sctp.addr_wq_lock); sock_put(sk); @@ -4991,16 +5007,6 @@ static int sctp_init_sock(struct sock *sk) sk_sockets_allocated_inc(sk); sock_prot_inuse_add(net, sk->sk_prot, 1); - if (net->sctp.default_auto_asconf) { - spin_lock(&sock_net(sk)->sctp.addr_wq_lock); - list_add_tail(&sp->auto_asconf_list, - &net->sctp.auto_asconf_splist); - sp->do_auto_asconf = 1; - spin_unlock(&sock_net(sk)->sctp.addr_wq_lock); - } else { - sp->do_auto_asconf = 0; - } - local_bh_enable(); return 0; @@ -5025,9 +5031,7 @@ static void sctp_destroy_sock(struct sock *sk) if (sp->do_auto_asconf) { sp->do_auto_asconf = 0; - spin_lock_bh(&sock_net(sk)->sctp.addr_wq_lock); list_del(&sp->auto_asconf_list); - spin_unlock_bh(&sock_net(sk)->sctp.addr_wq_lock); } sctp_endpoint_free(sp->ep); local_bh_disable(); @@ -9398,6 +9402,8 @@ static int sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, return err; } + sctp_auto_asconf_init(newsp); + /* Move any messages in the old socket's receive queue that are for the * peeled off association to the new socket's receive queue. */ diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index be3e80b3e27f..5eff7cccceff 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -2161,6 +2161,9 @@ static int smc_setsockopt(struct socket *sock, int level, int optname, struct smc_sock *smc; int val, rc; + if (level == SOL_TCP && optname == TCP_ULP) + return -EOPNOTSUPP; + smc = smc_sk(sk); /* generic setsockopts reaching us here always apply to the @@ -2185,7 +2188,6 @@ static int smc_setsockopt(struct socket *sock, int level, int optname, if (rc || smc->use_fallback) goto out; switch (optname) { - case TCP_ULP: case TCP_FASTOPEN: case TCP_FASTOPEN_CONNECT: case TCP_FASTOPEN_KEY: diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 612f0a641f4c..f555d335e910 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1799,7 +1799,6 @@ call_allocate(struct rpc_task *task) status = xprt->ops->buf_alloc(task); trace_rpc_buf_alloc(task, status); - xprt_inject_disconnect(xprt); if (status == 0) return; if (status != -ENOMEM) { @@ -2458,12 +2457,6 @@ call_decode(struct rpc_task *task) } /* - * Ensure that we see all writes made by xprt_complete_rqst() - * before it changed req->rq_reply_bytes_recvd. - */ - smp_rmb(); - - /* * Did we ever call xprt_complete_rqst()? If not, we should assume * the message is incomplete. */ @@ -2471,6 +2464,11 @@ call_decode(struct rpc_task *task) if (!req->rq_reply_bytes_recvd) goto out; + /* Ensure that we see all writes made by xprt_complete_rqst() + * before it changed req->rq_reply_bytes_recvd. + */ + smp_rmb(); + req->rq_rcv_buf.len = req->rq_private_buf.len; trace_rpc_xdr_recvfrom(task, &req->rq_rcv_buf); diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 38fe2ce8a5aa..647b323cc1d5 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -344,13 +344,15 @@ static struct rpc_clnt *rpcb_create(struct net *net, const char *nodename, const char *hostname, struct sockaddr *srvaddr, size_t salen, int proto, u32 version, - const struct cred *cred) + const struct cred *cred, + const struct rpc_timeout *timeo) { struct rpc_create_args args = { .net = net, .protocol = proto, .address = srvaddr, .addrsize = salen, + .timeout = timeo, .servername = hostname, .nodename = nodename, .program = &rpcb_program, @@ -705,7 +707,8 @@ void rpcb_getport_async(struct rpc_task *task) clnt->cl_nodename, xprt->servername, sap, salen, xprt->prot, bind_version, - clnt->cl_cred); + clnt->cl_cred, + task->tk_client->cl_timeout); if (IS_ERR(rpcb_clnt)) { status = PTR_ERR(rpcb_clnt); goto bailout_nofree; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 691ccf8049a4..e5b5a960a69b 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -698,9 +698,9 @@ int xprt_adjust_timeout(struct rpc_rqst *req) const struct rpc_timeout *to = req->rq_task->tk_client->cl_timeout; int status = 0; - if (time_before(jiffies, req->rq_minortimeo)) - return status; if (time_before(jiffies, req->rq_majortimeo)) { + if (time_before(jiffies, req->rq_minortimeo)) + return status; if (to->to_exponential) req->rq_timeout <<= 1; else @@ -1352,6 +1352,7 @@ xprt_request_enqueue_transmit(struct rpc_task *task) list_add_tail(&req->rq_xmit, &xprt->xmit_queue); INIT_LIST_HEAD(&req->rq_xmit2); out: + atomic_long_inc(&xprt->xmit_queuelen); set_bit(RPC_TASK_NEED_XMIT, &task->tk_runstate); spin_unlock(&xprt->queue_lock); } @@ -1381,6 +1382,7 @@ xprt_request_dequeue_transmit_locked(struct rpc_task *task) } } else list_del(&req->rq_xmit2); + atomic_long_dec(&req->rq_xprt->xmit_queuelen); } /** @@ -1469,8 +1471,6 @@ bool xprt_prepare_transmit(struct rpc_task *task) struct rpc_xprt *xprt = req->rq_xprt; if (!xprt_lock_write(xprt, task)) { - trace_xprt_transmit_queued(xprt, task); - /* Race breaker: someone may have transmitted us */ if (!test_bit(RPC_TASK_NEED_XMIT, &task->tk_runstate)) rpc_wake_up_queued_task_set_status(&xprt->sending, @@ -1483,7 +1483,10 @@ bool xprt_prepare_transmit(struct rpc_task *task) void xprt_end_transmit(struct rpc_task *task) { - xprt_release_write(task->tk_rqstp->rq_xprt, task); + struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt; + + xprt_inject_disconnect(xprt); + xprt_release_write(xprt, task); } /** @@ -1537,8 +1540,10 @@ xprt_request_transmit(struct rpc_rqst *req, struct rpc_task *snd_task) return status; } - if (is_retrans) + if (is_retrans) { task->tk_client->cl_stats->rpcretrans++; + trace_xprt_retransmit(req); + } xprt_inject_disconnect(xprt); @@ -1885,7 +1890,6 @@ void xprt_release(struct rpc_task *task) spin_unlock(&xprt->transport_lock); if (req->rq_buffer) xprt->ops->buf_free(task); - xprt_inject_disconnect(xprt); xdr_free_bvec(&req->rq_rcv_buf); xdr_free_bvec(&req->rq_snd_buf); if (req->rq_cred != NULL) diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c index a249837d6a55..1151efd09b27 100644 --- a/net/sunrpc/xprtrdma/backchannel.c +++ b/net/sunrpc/xprtrdma/backchannel.c @@ -155,9 +155,11 @@ void xprt_rdma_bc_destroy(struct rpc_xprt *xprt, unsigned int reqs) void xprt_rdma_bc_free_rqst(struct rpc_rqst *rqst) { struct rpcrdma_req *req = rpcr_to_rdmar(rqst); + struct rpcrdma_rep *rep = req->rl_reply; struct rpc_xprt *xprt = rqst->rq_xprt; + struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); - rpcrdma_recv_buffer_put(req->rl_reply); + rpcrdma_rep_put(&r_xprt->rx_buf, rep); req->rl_reply = NULL; spin_lock(&xprt->bc_pa_lock); diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 766a1048a48a..229fcc9a9064 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -49,20 +49,13 @@ # define RPCDBG_FACILITY RPCDBG_TRANS #endif -/** - * frwr_release_mr - Destroy one MR - * @mr: MR allocated by frwr_mr_init - * - */ -void frwr_release_mr(struct rpcrdma_mr *mr) +static void frwr_cid_init(struct rpcrdma_ep *ep, + struct rpcrdma_mr *mr) { - int rc; + struct rpc_rdma_cid *cid = &mr->mr_cid; - rc = ib_dereg_mr(mr->frwr.fr_mr); - if (rc) - trace_xprtrdma_frwr_dereg(mr, rc); - kfree(mr->mr_sg); - kfree(mr); + cid->ci_queue_id = ep->re_attr.send_cq->res.id; + cid->ci_completion_id = mr->mr_ibmr->res.id; } static void frwr_mr_unmap(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr) @@ -75,20 +68,22 @@ static void frwr_mr_unmap(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr) } } -static void frwr_mr_recycle(struct rpcrdma_mr *mr) +/** + * frwr_mr_release - Destroy one MR + * @mr: MR allocated by frwr_mr_init + * + */ +void frwr_mr_release(struct rpcrdma_mr *mr) { - struct rpcrdma_xprt *r_xprt = mr->mr_xprt; - - trace_xprtrdma_mr_recycle(mr); - - frwr_mr_unmap(r_xprt, mr); + int rc; - spin_lock(&r_xprt->rx_buf.rb_lock); - list_del(&mr->mr_all); - r_xprt->rx_stats.mrs_recycled++; - spin_unlock(&r_xprt->rx_buf.rb_lock); + frwr_mr_unmap(mr->mr_xprt, mr); - frwr_release_mr(mr); + rc = ib_dereg_mr(mr->mr_ibmr); + if (rc) + trace_xprtrdma_frwr_dereg(mr, rc); + kfree(mr->mr_sg); + kfree(mr); } static void frwr_mr_put(struct rpcrdma_mr *mr) @@ -144,10 +139,11 @@ int frwr_mr_init(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr) goto out_list_err; mr->mr_xprt = r_xprt; - mr->frwr.fr_mr = frmr; + mr->mr_ibmr = frmr; mr->mr_device = NULL; INIT_LIST_HEAD(&mr->mr_list); - init_completion(&mr->frwr.fr_linv_done); + init_completion(&mr->mr_linv_done); + frwr_cid_init(ep, mr); sg_init_table(sg, depth); mr->mr_sg = sg; @@ -257,6 +253,7 @@ int frwr_query_device(struct rpcrdma_ep *ep, const struct ib_device *device) ep->re_attr.cap.max_send_wr += 1; /* for ib_drain_sq */ ep->re_attr.cap.max_recv_wr = ep->re_max_requests; ep->re_attr.cap.max_recv_wr += RPCRDMA_BACKWARD_WRS; + ep->re_attr.cap.max_recv_wr += RPCRDMA_MAX_RECV_BATCH; ep->re_attr.cap.max_recv_wr += 1; /* for ib_drain_rq */ ep->re_max_rdma_segs = @@ -326,7 +323,7 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt, goto out_dmamap_err; mr->mr_device = ep->re_id->device; - ibmr = mr->frwr.fr_mr; + ibmr = mr->mr_ibmr; n = ib_map_mr_sg(ibmr, mr->mr_sg, dma_nents, NULL, PAGE_SIZE); if (n != dma_nents) goto out_mapmr_err; @@ -336,7 +333,7 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt, key = (u8)(ibmr->rkey & 0x000000FF); ib_update_fast_reg_key(ibmr, ++key); - reg_wr = &mr->frwr.fr_regwr; + reg_wr = &mr->mr_regwr; reg_wr->mr = ibmr; reg_wr->key = ibmr->rkey; reg_wr->access = writing ? @@ -364,29 +361,19 @@ out_mapmr_err: * @cq: completion queue * @wc: WCE for a completed FastReg WR * + * Each flushed MR gets destroyed after the QP has drained. */ static void frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc) { struct ib_cqe *cqe = wc->wr_cqe; - struct rpcrdma_frwr *frwr = - container_of(cqe, struct rpcrdma_frwr, fr_cqe); + struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe); /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_fastreg(wc, &frwr->fr_cid); - /* The MR will get recycled when the associated req is retransmitted */ + trace_xprtrdma_wc_fastreg(wc, &mr->mr_cid); rpcrdma_flush_disconnect(cq->cq_context, wc); } -static void frwr_cid_init(struct rpcrdma_ep *ep, - struct rpcrdma_frwr *frwr) -{ - struct rpc_rdma_cid *cid = &frwr->fr_cid; - - cid->ci_queue_id = ep->re_attr.send_cq->res.id; - cid->ci_completion_id = frwr->fr_mr->res.id; -} - /** * frwr_send - post Send WRs containing the RPC Call message * @r_xprt: controlling transport instance @@ -403,27 +390,36 @@ static void frwr_cid_init(struct rpcrdma_ep *ep, */ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) { + struct ib_send_wr *post_wr, *send_wr = &req->rl_wr; struct rpcrdma_ep *ep = r_xprt->rx_ep; - struct ib_send_wr *post_wr; struct rpcrdma_mr *mr; + unsigned int num_wrs; - post_wr = &req->rl_wr; + num_wrs = 1; + post_wr = send_wr; list_for_each_entry(mr, &req->rl_registered, mr_list) { - struct rpcrdma_frwr *frwr; - - frwr = &mr->frwr; - - frwr->fr_cqe.done = frwr_wc_fastreg; - frwr_cid_init(ep, frwr); - frwr->fr_regwr.wr.next = post_wr; - frwr->fr_regwr.wr.wr_cqe = &frwr->fr_cqe; - frwr->fr_regwr.wr.num_sge = 0; - frwr->fr_regwr.wr.opcode = IB_WR_REG_MR; - frwr->fr_regwr.wr.send_flags = 0; + trace_xprtrdma_mr_fastreg(mr); + + mr->mr_cqe.done = frwr_wc_fastreg; + mr->mr_regwr.wr.next = post_wr; + mr->mr_regwr.wr.wr_cqe = &mr->mr_cqe; + mr->mr_regwr.wr.num_sge = 0; + mr->mr_regwr.wr.opcode = IB_WR_REG_MR; + mr->mr_regwr.wr.send_flags = 0; + post_wr = &mr->mr_regwr.wr; + ++num_wrs; + } - post_wr = &frwr->fr_regwr.wr; + if ((kref_read(&req->rl_kref) > 1) || num_wrs > ep->re_send_count) { + send_wr->send_flags |= IB_SEND_SIGNALED; + ep->re_send_count = min_t(unsigned int, ep->re_send_batch, + num_wrs - ep->re_send_count); + } else { + send_wr->send_flags &= ~IB_SEND_SIGNALED; + ep->re_send_count -= num_wrs; } + trace_xprtrdma_post_send(req); return ib_post_send(ep->re_id->qp, post_wr, NULL); } @@ -440,6 +436,7 @@ void frwr_reminv(struct rpcrdma_rep *rep, struct list_head *mrs) list_for_each_entry(mr, mrs, mr_list) if (mr->mr_handle == rep->rr_inv_rkey) { list_del_init(&mr->mr_list); + trace_xprtrdma_mr_reminv(mr); frwr_mr_put(mr); break; /* only one invalidated MR per RPC */ } @@ -447,9 +444,7 @@ void frwr_reminv(struct rpcrdma_rep *rep, struct list_head *mrs) static void frwr_mr_done(struct ib_wc *wc, struct rpcrdma_mr *mr) { - if (wc->status != IB_WC_SUCCESS) - frwr_mr_recycle(mr); - else + if (likely(wc->status == IB_WC_SUCCESS)) frwr_mr_put(mr); } @@ -462,12 +457,10 @@ static void frwr_mr_done(struct ib_wc *wc, struct rpcrdma_mr *mr) static void frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc) { struct ib_cqe *cqe = wc->wr_cqe; - struct rpcrdma_frwr *frwr = - container_of(cqe, struct rpcrdma_frwr, fr_cqe); - struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr); + struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe); /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_li(wc, &frwr->fr_cid); + trace_xprtrdma_wc_li(wc, &mr->mr_cid); frwr_mr_done(wc, mr); rpcrdma_flush_disconnect(cq->cq_context, wc); @@ -483,14 +476,12 @@ static void frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc) static void frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc) { struct ib_cqe *cqe = wc->wr_cqe; - struct rpcrdma_frwr *frwr = - container_of(cqe, struct rpcrdma_frwr, fr_cqe); - struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr); + struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe); /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_li_wake(wc, &frwr->fr_cid); + trace_xprtrdma_wc_li_wake(wc, &mr->mr_cid); frwr_mr_done(wc, mr); - complete(&frwr->fr_linv_done); + complete(&mr->mr_linv_done); rpcrdma_flush_disconnect(cq->cq_context, wc); } @@ -511,7 +502,6 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) struct ib_send_wr *first, **prev, *last; struct rpcrdma_ep *ep = r_xprt->rx_ep; const struct ib_send_wr *bad_wr; - struct rpcrdma_frwr *frwr; struct rpcrdma_mr *mr; int rc; @@ -520,35 +510,34 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) * Chain the LOCAL_INV Work Requests and post them with * a single ib_post_send() call. */ - frwr = NULL; prev = &first; while ((mr = rpcrdma_mr_pop(&req->rl_registered))) { trace_xprtrdma_mr_localinv(mr); r_xprt->rx_stats.local_inv_needed++; - frwr = &mr->frwr; - frwr->fr_cqe.done = frwr_wc_localinv; - frwr_cid_init(ep, frwr); - last = &frwr->fr_invwr; + last = &mr->mr_invwr; last->next = NULL; - last->wr_cqe = &frwr->fr_cqe; + last->wr_cqe = &mr->mr_cqe; last->sg_list = NULL; last->num_sge = 0; last->opcode = IB_WR_LOCAL_INV; last->send_flags = IB_SEND_SIGNALED; last->ex.invalidate_rkey = mr->mr_handle; + last->wr_cqe->done = frwr_wc_localinv; + *prev = last; prev = &last->next; } + mr = container_of(last, struct rpcrdma_mr, mr_invwr); /* Strong send queue ordering guarantees that when the * last WR in the chain completes, all WRs in the chain * are complete. */ - frwr->fr_cqe.done = frwr_wc_localinv_wake; - reinit_completion(&frwr->fr_linv_done); + last->wr_cqe->done = frwr_wc_localinv_wake; + reinit_completion(&mr->mr_linv_done); /* Transport disconnect drains the receive CQ before it * replaces the QP. The RPC reply handler won't call us @@ -562,22 +551,12 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) * not happen, so don't wait in that case. */ if (bad_wr != first) - wait_for_completion(&frwr->fr_linv_done); + wait_for_completion(&mr->mr_linv_done); if (!rc) return; - /* Recycle MRs in the LOCAL_INV chain that did not get posted. - */ + /* On error, the MRs get destroyed once the QP has drained. */ trace_xprtrdma_post_linv_err(req, rc); - while (bad_wr) { - frwr = container_of(bad_wr, struct rpcrdma_frwr, - fr_invwr); - mr = container_of(frwr, struct rpcrdma_mr, frwr); - bad_wr = bad_wr->next; - - list_del_init(&mr->mr_list); - frwr_mr_recycle(mr); - } } /** @@ -589,20 +568,24 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) static void frwr_wc_localinv_done(struct ib_cq *cq, struct ib_wc *wc) { struct ib_cqe *cqe = wc->wr_cqe; - struct rpcrdma_frwr *frwr = - container_of(cqe, struct rpcrdma_frwr, fr_cqe); - struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr); - struct rpcrdma_rep *rep = mr->mr_req->rl_reply; + struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe); + struct rpcrdma_rep *rep; /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_li_done(wc, &frwr->fr_cid); - frwr_mr_done(wc, mr); + trace_xprtrdma_wc_li_done(wc, &mr->mr_cid); - /* Ensure @rep is generated before frwr_mr_done */ + /* Ensure that @rep is generated before the MR is released */ + rep = mr->mr_req->rl_reply; smp_rmb(); - rpcrdma_complete_rqst(rep); - rpcrdma_flush_disconnect(cq->cq_context, wc); + if (wc->status != IB_WC_SUCCESS) { + if (rep) + rpcrdma_unpin_rqst(rep); + rpcrdma_flush_disconnect(cq->cq_context, wc); + return; + } + frwr_mr_put(mr); + rpcrdma_complete_rqst(rep); } /** @@ -619,33 +602,29 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) { struct ib_send_wr *first, *last, **prev; struct rpcrdma_ep *ep = r_xprt->rx_ep; - const struct ib_send_wr *bad_wr; - struct rpcrdma_frwr *frwr; struct rpcrdma_mr *mr; int rc; /* Chain the LOCAL_INV Work Requests and post them with * a single ib_post_send() call. */ - frwr = NULL; prev = &first; while ((mr = rpcrdma_mr_pop(&req->rl_registered))) { trace_xprtrdma_mr_localinv(mr); r_xprt->rx_stats.local_inv_needed++; - frwr = &mr->frwr; - frwr->fr_cqe.done = frwr_wc_localinv; - frwr_cid_init(ep, frwr); - last = &frwr->fr_invwr; + last = &mr->mr_invwr; last->next = NULL; - last->wr_cqe = &frwr->fr_cqe; + last->wr_cqe = &mr->mr_cqe; last->sg_list = NULL; last->num_sge = 0; last->opcode = IB_WR_LOCAL_INV; last->send_flags = IB_SEND_SIGNALED; last->ex.invalidate_rkey = mr->mr_handle; + last->wr_cqe->done = frwr_wc_localinv; + *prev = last; prev = &last->next; } @@ -655,31 +634,23 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) * are complete. The last completion will wake up the * RPC waiter. */ - frwr->fr_cqe.done = frwr_wc_localinv_done; + last->wr_cqe->done = frwr_wc_localinv_done; /* Transport disconnect drains the receive CQ before it * replaces the QP. The RPC reply handler won't call us * unless re_id->qp is a valid pointer. */ - bad_wr = NULL; - rc = ib_post_send(ep->re_id->qp, first, &bad_wr); + rc = ib_post_send(ep->re_id->qp, first, NULL); if (!rc) return; - /* Recycle MRs in the LOCAL_INV chain that did not get posted. - */ + /* On error, the MRs get destroyed once the QP has drained. */ trace_xprtrdma_post_linv_err(req, rc); - while (bad_wr) { - frwr = container_of(bad_wr, struct rpcrdma_frwr, fr_invwr); - mr = container_of(frwr, struct rpcrdma_mr, frwr); - bad_wr = bad_wr->next; - - frwr_mr_recycle(mr); - } /* The final LOCAL_INV WR in the chain is supposed to - * do the wake. If it was never posted, the wake will - * not happen, so wake here in that case. + * do the wake. If it was never posted, the wake does + * not happen. Unpin the rqst in preparation for its + * retransmission. */ - rpcrdma_complete_rqst(req->rl_reply); + rpcrdma_unpin_rqst(req->rl_reply); } diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 292f066d006e..649f7d8b9733 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -1326,9 +1326,35 @@ rpcrdma_decode_error(struct rpcrdma_xprt *r_xprt, struct rpcrdma_rep *rep, return -EIO; } -/* Perform XID lookup, reconstruction of the RPC reply, and - * RPC completion while holding the transport lock to ensure - * the rep, rqst, and rq_task pointers remain stable. +/** + * rpcrdma_unpin_rqst - Release rqst without completing it + * @rep: RPC/RDMA Receive context + * + * This is done when a connection is lost so that a Reply + * can be dropped and its matching Call can be subsequently + * retransmitted on a new connection. + */ +void rpcrdma_unpin_rqst(struct rpcrdma_rep *rep) +{ + struct rpc_xprt *xprt = &rep->rr_rxprt->rx_xprt; + struct rpc_rqst *rqst = rep->rr_rqst; + struct rpcrdma_req *req = rpcr_to_rdmar(rqst); + + req->rl_reply = NULL; + rep->rr_rqst = NULL; + + spin_lock(&xprt->queue_lock); + xprt_unpin_rqst(rqst); + spin_unlock(&xprt->queue_lock); +} + +/** + * rpcrdma_complete_rqst - Pass completed rqst back to RPC + * @rep: RPC/RDMA Receive context + * + * Reconstruct the RPC reply and complete the transaction + * while @rqst is still pinned to ensure the rep, rqst, and + * rq_task pointers remain stable. */ void rpcrdma_complete_rqst(struct rpcrdma_rep *rep) { @@ -1430,13 +1456,14 @@ void rpcrdma_reply_handler(struct rpcrdma_rep *rep) credits = 1; /* don't deadlock */ else if (credits > r_xprt->rx_ep->re_max_requests) credits = r_xprt->rx_ep->re_max_requests; + rpcrdma_post_recvs(r_xprt, credits + (buf->rb_bc_srv_max_requests << 1), + false); if (buf->rb_credits != credits) rpcrdma_update_cwnd(r_xprt, credits); - rpcrdma_post_recvs(r_xprt, false); req = rpcr_to_rdmar(rqst); if (unlikely(req->rl_reply)) - rpcrdma_recv_buffer_put(req->rl_reply); + rpcrdma_rep_put(buf, req->rl_reply); req->rl_reply = rep; rep->rr_rqst = rqst; @@ -1464,5 +1491,5 @@ out_shortreply: trace_xprtrdma_reply_short_err(rep); out: - rpcrdma_recv_buffer_put(rep); + rpcrdma_rep_put(buf, rep); } diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 78d29d1bcc20..09953597d055 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -262,8 +262,10 @@ xprt_rdma_connect_worker(struct work_struct *work) * xprt_rdma_inject_disconnect - inject a connection fault * @xprt: transport context * - * If @xprt is connected, disconnect it to simulate spurious connection - * loss. + * If @xprt is connected, disconnect it to simulate spurious + * connection loss. Caller must hold @xprt's send lock to + * ensure that data structures and hardware resources are + * stable during the rdma_disconnect() call. */ static void xprt_rdma_inject_disconnect(struct rpc_xprt *xprt) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index ec912cf9c618..1e965a380896 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -101,6 +101,12 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) struct rpcrdma_ep *ep = r_xprt->rx_ep; struct rdma_cm_id *id = ep->re_id; + /* Wait for rpcrdma_post_recvs() to leave its critical + * section. + */ + if (atomic_inc_return(&ep->re_receiving) > 1) + wait_for_completion(&ep->re_done); + /* Flush Receives, then wait for deferred Reply work * to complete. */ @@ -114,22 +120,6 @@ static void rpcrdma_xprt_drain(struct rpcrdma_xprt *r_xprt) rpcrdma_ep_put(ep); } -/** - * rpcrdma_qp_event_handler - Handle one QP event (error notification) - * @event: details of the event - * @context: ep that owns QP where event occurred - * - * Called from the RDMA provider (device driver) possibly in an interrupt - * context. The QP is always destroyed before the ID, so the ID will be - * reliably available when this handler is invoked. - */ -static void rpcrdma_qp_event_handler(struct ib_event *event, void *context) -{ - struct rpcrdma_ep *ep = context; - - trace_xprtrdma_qp_event(ep, event); -} - /* Ensure xprt_force_disconnect() is invoked exactly once when a * connection is closed or lost. (The important thing is it needs * to be invoked "at least" once). @@ -205,7 +195,7 @@ static void rpcrdma_wc_receive(struct ib_cq *cq, struct ib_wc *wc) out_flushed: rpcrdma_flush_disconnect(r_xprt, wc); - rpcrdma_rep_destroy(rep); + rpcrdma_rep_put(&r_xprt->rx_buf, rep); } static void rpcrdma_update_cm_private(struct rpcrdma_ep *ep, @@ -414,6 +404,7 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt) __module_get(THIS_MODULE); device = id->device; ep->re_id = id; + reinit_completion(&ep->re_done); ep->re_max_requests = r_xprt->rx_xprt.max_reqs; ep->re_inline_send = xprt_rdma_max_inline_write; @@ -424,8 +415,6 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt) r_xprt->rx_buf.rb_max_requests = cpu_to_be32(ep->re_max_requests); - ep->re_attr.event_handler = rpcrdma_qp_event_handler; - ep->re_attr.qp_context = ep; ep->re_attr.srq = NULL; ep->re_attr.cap.max_inline_data = 0; ep->re_attr.sq_sig_type = IB_SIGNAL_REQ_WR; @@ -535,7 +524,7 @@ int rpcrdma_xprt_connect(struct rpcrdma_xprt *r_xprt) * outstanding Receives. */ rpcrdma_ep_get(ep); - rpcrdma_post_recvs(r_xprt, true); + rpcrdma_post_recvs(r_xprt, 1, true); rc = rdma_connect(ep->re_id, &ep->re_remote_cma); if (rc) @@ -954,13 +943,11 @@ static void rpcrdma_reqs_reset(struct rpcrdma_xprt *r_xprt) rpcrdma_req_reset(req); } -/* No locking needed here. This function is called only by the - * Receive completion handler. - */ static noinline struct rpcrdma_rep *rpcrdma_rep_create(struct rpcrdma_xprt *r_xprt, bool temp) { + struct rpcrdma_buffer *buf = &r_xprt->rx_buf; struct rpcrdma_rep *rep; rep = kzalloc(sizeof(*rep), GFP_KERNEL); @@ -987,7 +974,10 @@ struct rpcrdma_rep *rpcrdma_rep_create(struct rpcrdma_xprt *r_xprt, rep->rr_recv_wr.sg_list = &rep->rr_rdmabuf->rg_iov; rep->rr_recv_wr.num_sge = 1; rep->rr_temp = temp; - list_add(&rep->rr_all, &r_xprt->rx_buf.rb_all_reps); + + spin_lock(&buf->rb_lock); + list_add(&rep->rr_all, &buf->rb_all_reps); + spin_unlock(&buf->rb_lock); return rep; out_free_regbuf: @@ -998,16 +988,23 @@ out: return NULL; } -/* No locking needed here. This function is invoked only by the - * Receive completion handler, or during transport shutdown. - */ -static void rpcrdma_rep_destroy(struct rpcrdma_rep *rep) +static void rpcrdma_rep_free(struct rpcrdma_rep *rep) { - list_del(&rep->rr_all); rpcrdma_regbuf_free(rep->rr_rdmabuf); kfree(rep); } +static void rpcrdma_rep_destroy(struct rpcrdma_rep *rep) +{ + struct rpcrdma_buffer *buf = &rep->rr_rxprt->rx_buf; + + spin_lock(&buf->rb_lock); + list_del(&rep->rr_all); + spin_unlock(&buf->rb_lock); + + rpcrdma_rep_free(rep); +} + static struct rpcrdma_rep *rpcrdma_rep_get_locked(struct rpcrdma_buffer *buf) { struct llist_node *node; @@ -1019,12 +1016,21 @@ static struct rpcrdma_rep *rpcrdma_rep_get_locked(struct rpcrdma_buffer *buf) return llist_entry(node, struct rpcrdma_rep, rr_node); } -static void rpcrdma_rep_put(struct rpcrdma_buffer *buf, - struct rpcrdma_rep *rep) +/** + * rpcrdma_rep_put - Release rpcrdma_rep back to free list + * @buf: buffer pool + * @rep: rep to release + * + */ +void rpcrdma_rep_put(struct rpcrdma_buffer *buf, struct rpcrdma_rep *rep) { llist_add(&rep->rr_node, &buf->rb_free_reps); } +/* Caller must ensure the QP is quiescent (RQ is drained) before + * invoking this function, to guarantee rb_all_reps is not + * changing. + */ static void rpcrdma_reps_unmap(struct rpcrdma_xprt *r_xprt) { struct rpcrdma_buffer *buf = &r_xprt->rx_buf; @@ -1032,7 +1038,7 @@ static void rpcrdma_reps_unmap(struct rpcrdma_xprt *r_xprt) list_for_each_entry(rep, &buf->rb_all_reps, rr_all) { rpcrdma_regbuf_dma_unmap(rep->rr_rdmabuf); - rep->rr_temp = true; + rep->rr_temp = true; /* Mark this rep for destruction */ } } @@ -1040,8 +1046,18 @@ static void rpcrdma_reps_destroy(struct rpcrdma_buffer *buf) { struct rpcrdma_rep *rep; - while ((rep = rpcrdma_rep_get_locked(buf)) != NULL) - rpcrdma_rep_destroy(rep); + spin_lock(&buf->rb_lock); + while ((rep = list_first_entry_or_null(&buf->rb_all_reps, + struct rpcrdma_rep, + rr_all)) != NULL) { + list_del(&rep->rr_all); + spin_unlock(&buf->rb_lock); + + rpcrdma_rep_free(rep); + + spin_lock(&buf->rb_lock); + } + spin_unlock(&buf->rb_lock); } /** @@ -1104,7 +1120,7 @@ void rpcrdma_req_destroy(struct rpcrdma_req *req) list_del(&mr->mr_all); spin_unlock(&buf->rb_lock); - frwr_release_mr(mr); + frwr_mr_release(mr); } rpcrdma_regbuf_free(req->rl_recvbuf); @@ -1135,7 +1151,7 @@ static void rpcrdma_mrs_destroy(struct rpcrdma_xprt *r_xprt) list_del(&mr->mr_all); spin_unlock(&buf->rb_lock); - frwr_release_mr(mr); + frwr_mr_release(mr); spin_lock(&buf->rb_lock); } @@ -1221,17 +1237,6 @@ void rpcrdma_buffer_put(struct rpcrdma_buffer *buffers, struct rpcrdma_req *req) spin_unlock(&buffers->rb_lock); } -/** - * rpcrdma_recv_buffer_put - Release rpcrdma_rep back to free list - * @rep: rep to release - * - * Used after error conditions. - */ -void rpcrdma_recv_buffer_put(struct rpcrdma_rep *rep) -{ - rpcrdma_rep_put(&rep->rr_rxprt->rx_buf, rep); -} - /* Returns a pointer to a rpcrdma_regbuf object, or NULL. * * xprtrdma uses a regbuf for posting an outgoing RDMA SEND, or for @@ -1342,21 +1347,7 @@ static void rpcrdma_regbuf_free(struct rpcrdma_regbuf *rb) */ int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) { - struct ib_send_wr *send_wr = &req->rl_wr; - struct rpcrdma_ep *ep = r_xprt->rx_ep; - int rc; - - if (!ep->re_send_count || kref_read(&req->rl_kref) > 1) { - send_wr->send_flags |= IB_SEND_SIGNALED; - ep->re_send_count = ep->re_send_batch; - } else { - send_wr->send_flags &= ~IB_SEND_SIGNALED; - --ep->re_send_count; - } - - trace_xprtrdma_post_send(req); - rc = frwr_send(r_xprt, req); - if (rc) + if (frwr_send(r_xprt, req)) return -ENOTCONN; return 0; } @@ -1364,27 +1355,30 @@ int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) /** * rpcrdma_post_recvs - Refill the Receive Queue * @r_xprt: controlling transport instance - * @temp: mark Receive buffers to be deleted after use + * @needed: current credit grant + * @temp: mark Receive buffers to be deleted after one use * */ -void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, bool temp) +void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, int needed, bool temp) { struct rpcrdma_buffer *buf = &r_xprt->rx_buf; struct rpcrdma_ep *ep = r_xprt->rx_ep; struct ib_recv_wr *wr, *bad_wr; struct rpcrdma_rep *rep; - int needed, count, rc; + int count, rc; rc = 0; count = 0; - needed = buf->rb_credits + (buf->rb_bc_srv_max_requests << 1); if (likely(ep->re_receive_count > needed)) goto out; needed -= ep->re_receive_count; if (!temp) needed += RPCRDMA_MAX_RECV_BATCH; + if (atomic_inc_return(&ep->re_receiving) > 1) + goto out; + /* fast path: all needed reps can be found on the free list */ wr = NULL; while (needed) { @@ -1410,6 +1404,9 @@ void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, bool temp) rc = ib_post_recv(ep->re_id->qp, wr, (const struct ib_recv_wr **)&bad_wr); + if (atomic_dec_return(&ep->re_receiving) > 0) + complete(&ep->re_done); + out: trace_xprtrdma_post_recvs(r_xprt, count, rc); if (rc) { @@ -1418,7 +1415,7 @@ out: rep = container_of(wr, struct rpcrdma_rep, rr_recv_wr); wr = wr->next; - rpcrdma_recv_buffer_put(rep); + rpcrdma_rep_put(buf, rep); --count; } } diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index fe3be985e239..436ad7312614 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -83,6 +83,7 @@ struct rpcrdma_ep { unsigned int re_max_inline_recv; int re_async_rc; int re_connect_status; + atomic_t re_receiving; atomic_t re_force_disconnect; struct ib_qp_init_attr re_attr; wait_queue_head_t re_connect_wait; @@ -228,31 +229,28 @@ struct rpcrdma_sendctx { * An external memory region is any buffer or page that is registered * on the fly (ie, not pre-registered). */ -struct rpcrdma_frwr { - struct ib_mr *fr_mr; - struct ib_cqe fr_cqe; - struct rpc_rdma_cid fr_cid; - struct completion fr_linv_done; - union { - struct ib_reg_wr fr_regwr; - struct ib_send_wr fr_invwr; - }; -}; - struct rpcrdma_req; struct rpcrdma_mr { struct list_head mr_list; struct rpcrdma_req *mr_req; + + struct ib_mr *mr_ibmr; struct ib_device *mr_device; struct scatterlist *mr_sg; int mr_nents; enum dma_data_direction mr_dir; - struct rpcrdma_frwr frwr; + struct ib_cqe mr_cqe; + struct completion mr_linv_done; + union { + struct ib_reg_wr mr_regwr; + struct ib_send_wr mr_invwr; + }; struct rpcrdma_xprt *mr_xprt; u32 mr_handle; u32 mr_length; u64 mr_offset; struct list_head mr_all; + struct rpc_rdma_cid mr_cid; }; /* @@ -461,7 +459,7 @@ int rpcrdma_xprt_connect(struct rpcrdma_xprt *r_xprt); void rpcrdma_xprt_disconnect(struct rpcrdma_xprt *r_xprt); int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req); -void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, bool temp); +void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, int needed, bool temp); /* * Buffer calls - xprtrdma/verbs.c @@ -480,7 +478,7 @@ void rpcrdma_mrs_refresh(struct rpcrdma_xprt *r_xprt); struct rpcrdma_req *rpcrdma_buffer_get(struct rpcrdma_buffer *); void rpcrdma_buffer_put(struct rpcrdma_buffer *buffers, struct rpcrdma_req *req); -void rpcrdma_recv_buffer_put(struct rpcrdma_rep *); +void rpcrdma_rep_put(struct rpcrdma_buffer *buf, struct rpcrdma_rep *rep); bool rpcrdma_regbuf_realloc(struct rpcrdma_regbuf *rb, size_t size, gfp_t flags); @@ -527,7 +525,7 @@ rpcrdma_data_dir(bool writing) void frwr_reset(struct rpcrdma_req *req); int frwr_query_device(struct rpcrdma_ep *ep, const struct ib_device *device); int frwr_mr_init(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr); -void frwr_release_mr(struct rpcrdma_mr *mr); +void frwr_mr_release(struct rpcrdma_mr *mr); struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg, int nsegs, bool writing, __be32 xid, @@ -560,6 +558,7 @@ int rpcrdma_marshal_req(struct rpcrdma_xprt *r_xprt, struct rpc_rqst *rqst); void rpcrdma_set_max_header_sizes(struct rpcrdma_ep *ep); void rpcrdma_reset_cwnd(struct rpcrdma_xprt *r_xprt); void rpcrdma_complete_rqst(struct rpcrdma_rep *rep); +void rpcrdma_unpin_rqst(struct rpcrdma_rep *rep); void rpcrdma_reply_handler(struct rpcrdma_rep *rep); static inline void rpcrdma_set_xdrlen(struct xdr_buf *xdr, size_t len) diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index e35760f238a4..47aa47a2b07c 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -558,6 +558,10 @@ xs_read_stream_call(struct sock_xprt *transport, struct msghdr *msg, int flags) struct rpc_rqst *req; ssize_t ret; + /* Is this transport associated with the backchannel? */ + if (!xprt->bc_serv) + return -ESHUTDOWN; + /* Look up and lock the request corresponding to the given XID */ req = xprt_lookup_bc_request(xprt, transport->recv.xid); if (!req) { @@ -1018,6 +1022,7 @@ static int xs_tcp_send_request(struct rpc_rqst *req) * to cope with writespace callbacks arriving _after_ we have * called sendmsg(). */ req->rq_xtime = ktime_get(); + tcp_sock_set_cork(transport->inet, true); while (1) { status = xprt_sock_sendmsg(transport->sock, &msg, xdr, transport->xmit.offset, rm, &sent); @@ -1032,6 +1037,8 @@ static int xs_tcp_send_request(struct rpc_rqst *req) if (likely(req->rq_bytes_sent >= msglen)) { req->rq_xmit_bytes_sent += transport->xmit.offset; transport->xmit.offset = 0; + if (atomic_long_read(&xprt->xmit_queuelen) == 1) + tcp_sock_set_cork(transport->inet, false); return 0; } @@ -2163,6 +2170,7 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) } xs_tcp_set_socket_timeouts(xprt, sock); + tcp_sock_set_nodelay(sk); write_lock_bh(&sk->sk_callback_lock); @@ -2177,7 +2185,6 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) /* socket options */ sock_reset_flag(sk, SOCK_LINGER); - tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF; xprt_clear_connected(xprt); diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 1c9ecb18b8e6..c99bc4ce78e2 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -944,8 +944,6 @@ static int vmci_transport_recv_listen(struct sock *sk, bool old_request = false; bool old_pkt_proto = false; - err = 0; - /* Because we are in the listen state, we could be receiving a packet * for ourself or any previous connection requests that we received. * If it's the latter, we try to find a socket in our list of pending diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h index 2ac3802c2cd7..9d2a89d793c0 100644 --- a/net/xdp/xsk_queue.h +++ b/net/xdp/xsk_queue.h @@ -128,13 +128,12 @@ static inline bool xskq_cons_read_addr_unchecked(struct xsk_queue *q, u64 *addr) static inline bool xp_aligned_validate_desc(struct xsk_buff_pool *pool, struct xdp_desc *desc) { - u64 chunk, chunk_end; + u64 chunk; - chunk = xp_aligned_extract_addr(pool, desc->addr); - chunk_end = xp_aligned_extract_addr(pool, desc->addr + desc->len); - if (chunk != chunk_end) + if (desc->len > pool->chunk_size) return false; + chunk = xp_aligned_extract_addr(pool, desc->addr); if (chunk >= pool->addrs_cnt) return false; diff --git a/samples/auxdisplay/.gitignore b/samples/auxdisplay/.gitignore index 2ed744c0e741..d023816849bd 100644 --- a/samples/auxdisplay/.gitignore +++ b/samples/auxdisplay/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -cfag12864b-example +/cfag12864b-example diff --git a/samples/binderfs/.gitignore b/samples/binderfs/.gitignore index eb60241e8087..8fa415a3640b 100644 --- a/samples/binderfs/.gitignore +++ b/samples/binderfs/.gitignore @@ -1 +1,2 @@ -binderfs_example +# SPDX-License-Identifier: GPL-2.0 +/binderfs_example diff --git a/samples/configfs/configfs_sample.c b/samples/configfs/configfs_sample.c index f9008be7a8a1..37a657b25d58 100644 --- a/samples/configfs/configfs_sample.c +++ b/samples/configfs/configfs_sample.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * vim: noexpandtab ts=8 sts=0 sw=8: - * * configfs_example_macros.c - This file is a demonstration module * containing a number of configfs subsystems. It uses the helper * macros defined by configfs.h diff --git a/samples/connector/.gitignore b/samples/connector/.gitignore index d86f2ff9c947..0e26039f39b5 100644 --- a/samples/connector/.gitignore +++ b/samples/connector/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -ucon +/ucon diff --git a/samples/hidraw/.gitignore b/samples/hidraw/.gitignore index d7a6074ebcf9..5233ab63262e 100644 --- a/samples/hidraw/.gitignore +++ b/samples/hidraw/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -hid-example +/hid-example diff --git a/samples/mei/.gitignore b/samples/mei/.gitignore index db5e802f041e..fe894bcb6a62 100644 --- a/samples/mei/.gitignore +++ b/samples/mei/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -mei-amt-version +/mei-amt-version diff --git a/samples/nitro_enclaves/.gitignore b/samples/nitro_enclaves/.gitignore index 827934129c90..6a718eec71f4 100644 --- a/samples/nitro_enclaves/.gitignore +++ b/samples/nitro_enclaves/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0 -ne_ioctl_sample +/ne_ioctl_sample diff --git a/samples/pidfd/.gitignore b/samples/pidfd/.gitignore index eea857fca736..d4cfa3176b1b 100644 --- a/samples/pidfd/.gitignore +++ b/samples/pidfd/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -pidfd-metadata +/pidfd-metadata diff --git a/samples/seccomp/.gitignore b/samples/seccomp/.gitignore index 4a5a5b7db30b..a6df0da77c5d 100644 --- a/samples/seccomp/.gitignore +++ b/samples/seccomp/.gitignore @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only -bpf-direct -bpf-fancy -dropper -user-trap +/bpf-direct +/bpf-fancy +/dropper +/user-trap diff --git a/samples/timers/.gitignore b/samples/timers/.gitignore index 40510c33cf08..cd9ff7b95383 100644 --- a/samples/timers/.gitignore +++ b/samples/timers/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -hpet_example +/hpet_example diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c index 861c76914e76..881ef9a7296f 100644 --- a/samples/vfio-mdev/mbochs.c +++ b/samples/vfio-mdev/mbochs.c @@ -513,8 +513,6 @@ static int mbochs_create(struct mdev_device *mdev) struct device *dev = mdev_dev(mdev); struct mdev_state *mdev_state; - if (!type) - type = &mbochs_types[0]; if (type->mbytes + mbochs_used_mbytes > max_mbytes) return -ENOMEM; diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c index f0c0e7209719..e889c1cf8fd1 100644 --- a/samples/vfio-mdev/mdpy.c +++ b/samples/vfio-mdev/mdpy.c @@ -667,8 +667,7 @@ static ssize_t description_show(struct mdev_type *mtype, &mdpy_types[mtype_get_type_group_id(mtype)]; return sprintf(buf, "virtual display, %dx%d framebuffer\n", - type ? type->width : 0, - type ? type->height : 0); + type->width, type->height); } static MDEV_TYPE_ATTR_RO(description); diff --git a/samples/vfs/.gitignore b/samples/vfs/.gitignore index 8fdabf7e5373..79212d91285b 100644 --- a/samples/vfs/.gitignore +++ b/samples/vfs/.gitignore @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -test-fsmount -test-statx +/test-fsmount +/test-statx diff --git a/samples/watch_queue/.gitignore b/samples/watch_queue/.gitignore index 2aa3c7e56a1a..823b351d3db9 100644 --- a/samples/watch_queue/.gitignore +++ b/samples/watch_queue/.gitignore @@ -1 +1,2 @@ -watch_test +# SPDX-License-Identifier: GPL-2.0-only +/watch_test diff --git a/samples/watchdog/.gitignore b/samples/watchdog/.gitignore index 74153b831244..a70a0150ed9f 100644 --- a/samples/watchdog/.gitignore +++ b/samples/watchdog/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -watchdog-simple +/watchdog-simple diff --git a/scripts/.gitignore b/scripts/.gitignore index a6c11316c969..e83c620ef52c 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -1,11 +1,11 @@ # SPDX-License-Identifier: GPL-2.0-only -bin2c -kallsyms -unifdef -recordmcount -sorttable -asn1_compiler -extract-cert -sign-file -insert-sys-cert +/asn1_compiler +/bin2c +/extract-cert +/insert-sys-cert +/kallsyms /module.lds +/recordmcount +/sign-file +/sorttable +/unifdef diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 5e39b0517186..949f723efe53 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -354,7 +354,7 @@ $(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE targets += $(filter-out $(subdir-builtin), $(real-obj-y)) targets += $(filter-out $(subdir-modorder), $(real-obj-m)) -targets += $(lib-y) $(always-y) $(MAKECMDGOALS) +targets += $(real-dtb-y) $(lib-y) $(always-y) $(MAKECMDGOALS) # Linker scripts preprocessor (.lds.S -> .lds) # --------------------------------------------------------------------------- diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 64daf37e874b..10950559b223 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -44,19 +44,22 @@ else obj-y := $(filter-out %/, $(obj-y)) endif -# Expand $(foo-objs) $(foo-y) by calling $(call suffix-search,foo.o,-objs -y) -suffix-search = $(strip $(foreach s, $2, $($(1:.o=$s)))) +# Expand $(foo-objs) $(foo-y) etc. by replacing their individuals +suffix-search = $(strip $(foreach s, $3, $($(1:%$(strip $2)=%$s)))) +# List composite targets that are constructed by combining other targets +multi-search = $(sort $(foreach m, $1, $(if $(call suffix-search, $m, $2, $3 -), $m))) +# List primitive targets that are compiled from source files +real-search = $(foreach m, $1, $(if $(call suffix-search, $m, $2, $3 -), $(call suffix-search, $m, $2, $3), $m)) + # If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object -multi-search = $(sort $(foreach m, $1, $(if $(call suffix-search, $m, $2 -), $m))) -multi-obj-y := $(call multi-search,$(obj-y),-objs -y) -multi-obj-m := $(call multi-search,$(obj-m),-objs -y -m) +multi-obj-y := $(call multi-search, $(obj-y), .o, -objs -y) +multi-obj-m := $(call multi-search, $(obj-m), .o, -objs -y -m) multi-obj-ym := $(multi-obj-y) $(multi-obj-m) # Replace multi-part objects by their individual parts, # including built-in.a from subdirectories -real-search = $(foreach m, $1, $(if $(call suffix-search, $m, $2 -), $(call suffix-search, $m, $2), $m)) -real-obj-y := $(call real-search, $(obj-y),-objs -y) -real-obj-m := $(call real-search, $(obj-m),-objs -y -m) +real-obj-y := $(call real-search, $(obj-y), .o, -objs -y) +real-obj-m := $(call real-search, $(obj-m), .o, -objs -y -m) always-y += $(always-m) @@ -75,24 +78,18 @@ always-y += $(userprogs-always-y) $(userprogs-always-m) # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built dtb-$(CONFIG_OF_ALL_DTBS) += $(dtb-) -# List all dtbs to be generated by fdtoverlay -overlay-y := $(foreach m,$(dtb-y), $(if $(strip $($(m:.dtb=-dtbs))),$(m),)) - -# Generate symbols for the base files so overlays can be applied to them. -$(foreach m,$(overlay-y), $(eval DTC_FLAGS_$(basename $(firstword $($(m:.dtb=-dtbs)))) += -@)) - -# Add base dtb and overlay dtbo -dtb-y += $(foreach m,$(overlay-y), $($(m:.dtb=-dtbs))) +# Composite DTB (i.e. DTB constructed by overlay) +multi-dtb-y := $(call multi-search, $(dtb-y), .dtb, -dtbs) +# Primitive DTB compiled from *.dts +real-dtb-y := $(call real-search, $(dtb-y), .dtb, -dtbs) +# Base DTB that overlay is applied onto (each first word of $(*-dtbs) expansion) +base-dtb-y := $(foreach m, $(multi-dtb-y), $(firstword $(call suffix-search, $m, .dtb, -dtbs))) always-y += $(dtb-y) ifneq ($(CHECK_DTBS),) -# Don't run schema checks for dtbs created by fdtoverlay as they don't -# have corresponding dts files. -dt-yaml-y := $(filter-out $(overlay-y),$(dtb-y)) - -always-y += $(patsubst %.dtb,%.dt.yaml, $(dt-yaml-y)) -always-y += $(patsubst %.dtbo,%.dt.yaml, $(dt-yaml-y)) +always-y += $(patsubst %.dtb,%.dt.yaml, $(real-dtb-y)) +always-y += $(patsubst %.dtbo,%.dt.yaml, $(real-dtb-y)) endif # Add subdir path @@ -105,12 +102,14 @@ lib-y := $(addprefix $(obj)/,$(lib-y)) real-obj-y := $(addprefix $(obj)/,$(real-obj-y)) real-obj-m := $(addprefix $(obj)/,$(real-obj-m)) multi-obj-m := $(addprefix $(obj)/, $(multi-obj-m)) +multi-dtb-y := $(addprefix $(obj)/, $(multi-dtb-y)) +real-dtb-y := $(addprefix $(obj)/, $(real-dtb-y)) subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) # Finds the multi-part object the current object will be linked into. # If the object belongs to two or more multi-part objects, list them all. modname-multi = $(sort $(foreach m,$(multi-obj-ym),\ - $(if $(filter $*.o, $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$(m:.o=)))) + $(if $(filter $*.o, $(call suffix-search, $m, .o, -objs -y -m)),$(m:.o=)))) __modname = $(if $(modname-multi),$(modname-multi),$(basetarget)) @@ -252,6 +251,9 @@ quiet_cmd_copy = COPY $@ # Shipped files # =========================================================================== +# 'cp' preserves permissions. If you use it to copy a file in read-only srctree, +# the copy would be read-only as well, leading to an error when executing the +# rule next time. Use 'cat' instead in order to generate a writable file. quiet_cmd_shipped = SHIPPED $@ cmd_shipped = cat $< > $@ @@ -319,6 +321,9 @@ endif DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) +# Set -@ if the target is a base DTB that overlay is applied onto +DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@) + # Generate an assembly file to wrap the output of the device tree compiler quiet_cmd_dt_S_dtb= DTB $@ cmd_dt_S_dtb= \ @@ -350,14 +355,12 @@ $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE $(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE $(call if_changed_dep,dtc) -overlay-y := $(addprefix $(obj)/, $(overlay-y)) - quiet_cmd_fdtoverlay = DTOVL $@ cmd_fdtoverlay = $(objtree)/scripts/dtc/fdtoverlay -o $@ -i $(real-prereqs) -$(overlay-y): FORCE +$(multi-dtb-y): FORCE $(call if_changed,fdtoverlay) -$(call multi_depend, $(overlay-y), .dtb, -dtbs) +$(call multi_depend, $(multi-dtb-y), .dtb, -dtbs) DT_CHECKER ?= dt-validate DT_CHECKER_FLAGS ?= $(if $(DT_SCHEMA_FILES),,-m) diff --git a/scripts/basic/.gitignore b/scripts/basic/.gitignore index 98ae1f509592..961c91c8a884 100644 --- a/scripts/basic/.gitignore +++ b/scripts/basic/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -fixdep +/fixdep diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index ccb412a74725..23697a6b1eaa 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5829,7 +5829,7 @@ sub process { next if ($arg =~ /\.\.\./); next if ($arg =~ /^type$/i); my $tmp_stmt = $define_stmt; - $tmp_stmt =~ s/\b(sizeof|typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g; + $tmp_stmt =~ s/\b(__must_be_array|offsetof|sizeof|sizeof_field|__stringify|typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g; $tmp_stmt =~ s/\#+\s*$arg\b//g; $tmp_stmt =~ s/\b$arg\s*\#\#//g; my $use_cnt = () = $tmp_stmt =~ /\b$arg\b/g; @@ -7006,7 +7006,7 @@ sub process { } # check for alloc argument mismatch - if ($line =~ /\b(kcalloc|kmalloc_array)\s*\(\s*sizeof\b/) { + if ($line =~ /\b((?:devm_)?(?:kcalloc|kmalloc_array))\s*\(\s*sizeof\b/) { WARN("ALLOC_ARRAY_ARGS", "$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr); } @@ -7198,6 +7198,17 @@ sub process { "Using $1 should generally have parentheses around the comparison\n" . $herecurr); } +# return sysfs_emit(foo, fmt, ...) fmt without newline + if ($line =~ /\breturn\s+sysfs_emit\s*\(\s*$FuncArg\s*,\s*($String)/ && + substr($rawline, $-[6], $+[6] - $-[6]) !~ /\\n"$/) { + my $offset = $+[6] - 1; + if (WARN("SYSFS_EMIT", + "return sysfs_emit(...) formats should include a terminating newline\n" . $herecurr) && + $fix) { + substr($fixed[$fixlinenr], $offset, 0) = '\\n'; + } + } + # nested likely/unlikely calls if ($line =~ /\b(?:(?:un)?likely)\s*\(\s*!?\s*(IS_ERR(?:_OR_NULL|_VALUE)?|WARN)/) { WARN("LIKELY_MISUSE", diff --git a/scripts/dtc/.gitignore b/scripts/dtc/.gitignore index 8a8b62bf3d3c..e0b5c1d2464a 100644 --- a/scripts/dtc/.gitignore +++ b/scripts/dtc/.gitignore @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -dtc -fdtoverlay +/dtc +/fdtoverlay diff --git a/scripts/gcc-plugins/.gitignore b/scripts/gcc-plugins/.gitignore index b04e0f0f033e..5cc385b9eb97 100644 --- a/scripts/gcc-plugins/.gitignore +++ b/scripts/gcc-plugins/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -randomize_layout_seed.h +/randomize_layout_seed.h diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py index 008e62f3190d..15fc4626d236 100644 --- a/scripts/gdb/linux/cpus.py +++ b/scripts/gdb/linux/cpus.py @@ -16,6 +16,9 @@ import gdb from linux import tasks, utils +task_type = utils.CachedType("struct task_struct") + + MAX_CPUS = 4096 @@ -156,6 +159,23 @@ Note that VAR has to be quoted as string.""" PerCpu() +def get_current_task(cpu): + task_ptr_type = task_type.get_type().pointer() + + if utils.is_target_arch("x86"): + var_ptr = gdb.parse_and_eval("¤t_task") + return per_cpu(var_ptr, cpu).dereference() + elif utils.is_target_arch("aarch64"): + current_task_addr = gdb.parse_and_eval("$SP_EL0") + if((current_task_addr >> 63) != 0): + current_task = current_task_addr.cast(task_ptr_type) + return current_task.dereference() + else: + raise gdb.GdbError("Sorry, obtaining the current task is not allowed " + "while running in userspace(EL0)") + else: + raise gdb.GdbError("Sorry, obtaining the current task is not yet " + "supported with this arch") class LxCurrentFunc(gdb.Function): """Return current task. @@ -167,8 +187,7 @@ number. If CPU is omitted, the CPU of the current context is used.""" super(LxCurrentFunc, self).__init__("lx_current") def invoke(self, cpu=-1): - var_ptr = gdb.parse_and_eval("¤t_task") - return per_cpu(var_ptr, cpu).dereference() + return get_current_task(cpu) LxCurrentFunc() diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index 1be9763cf8bb..08d264ac328b 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -164,7 +164,8 @@ lx-symbols command.""" saved_state['breakpoint'].enabled = saved_state['enabled'] def invoke(self, arg, from_tty): - self.module_paths = [os.path.expanduser(p) for p in arg.split()] + self.module_paths = [os.path.abspath(os.path.expanduser(p)) + for p in arg.split()] self.module_paths.append(os.getcwd()) # enforce update diff --git a/scripts/genksyms/.gitignore b/scripts/genksyms/.gitignore index 999af710f83d..0b275abf9405 100644 --- a/scripts/genksyms/.gitignore +++ b/scripts/genksyms/.gitignore @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -genksyms +/genksyms diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile index ce4f99935de5..d6a422a63b6a 100644 --- a/scripts/genksyms/Makefile +++ b/scripts/genksyms/Makefile @@ -22,7 +22,7 @@ $(obj)/pars%.tab.c $(obj)/pars%.tab.h: $(src)/pars%.y FORCE endif -# -I needed for generated C source (shipped source) +# -I needed for generated C source to include headers in source tree HOSTCFLAGS_parse.tab.o := -I $(srctree)/$(src) HOSTCFLAGS_lex.lex.o := -I $(srctree)/$(src) diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index 7d112681f332..f4de4c97015b 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -320,20 +320,6 @@ cleanup() rm -f .vmlinux.d } -on_exit() -{ - if [ $? -ne 0 ]; then - cleanup - fi -} -trap on_exit EXIT - -on_signals() -{ - exit 1 -} -trap on_signals HUP INT QUIT TERM - # Use "make V=1" to debug this script case "${KBUILD_VERBOSE}" in *1*) diff --git a/scripts/mod/.gitignore b/scripts/mod/.gitignore index 07e4a39f90a6..0465ec33c9bf 100644 --- a/scripts/mod/.gitignore +++ b/scripts/mod/.gitignore @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only -elfconfig.h -mk_elfconfig -modpost -devicetable-offsets.h +/devicetable-offsets.h +/elfconfig.h +/mk_elfconfig +/modpost diff --git a/scripts/nsdeps b/scripts/nsdeps index e8ce2a4d704a..04c4b96e95ec 100644 --- a/scripts/nsdeps +++ b/scripts/nsdeps @@ -44,7 +44,7 @@ generate_deps() { for source_file in $mod_source_files; do sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp offset=$(wc -l ${source_file}.tmp | awk '{print $1;}') - cat $source_file | grep MODULE_IMPORT_NS | LANG=C sort -u >> ${source_file}.tmp + cat $source_file | grep MODULE_IMPORT_NS | LC_ALL=C sort -u >> ${source_file}.tmp tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp if ! diff -q ${source_file} ${source_file}.tmp; then mv ${source_file}.tmp ${source_file} diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 5053b78da19e..c17e48020ec3 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -497,7 +497,7 @@ sub update_funcs # # Step 2: find the sections and mcount call sites # -open(IN, "LANG=C $objdump -hdr $inputfile|") || die "error running $objdump"; +open(IN, "LC_ALL=C $objdump -hdr $inputfile|") || die "error running $objdump"; my $text; diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files new file mode 100755 index 000000000000..c3eb81c3f7de --- /dev/null +++ b/scripts/remove-stale-files @@ -0,0 +1,31 @@ +#!/bin/sh + +set -e + +# When you move, remove or rename generated files, you probably also update +# .gitignore and cleaning rules in the Makefile. This is the right thing +# to do. However, people usually do 'git pull', 'git bisect', etc. without +# running 'make clean'. Then, the stale generated files are left over, often +# causing build issues. +# +# Also, 'git status' shows such stale build artifacts as untracked files. +# What is worse, some people send a wrong patch to get them back to .gitignore +# without checking the commit history. +# +# So, when you (re)move generated files, please move the cleaning rules from +# the Makefile to this script. This is run before Kbuild starts building +# anything, so people will not be annoyed by such garbage files. +# +# This script is not intended to grow endlessly. Rather, it is a temporary scrap +# yard. Stale files stay in this file for a while (for some release cycles?), +# then will be really dead and removed from the code base entirely. + +# These were previously generated source files. When you are building the kernel +# with O=, make sure to remove the stale files in the output tree. Otherwise, +# the build system wrongly compiles the stale ones. +if [ -n "${building_out_of_srctree}" ]; then + for f in fdt_rw.c fdt_ro.c fdt_wip.c fdt.c + do + rm -f arch/arm/boot/compressed/${f} + done +fi diff --git a/scripts/setlocalversion b/scripts/setlocalversion index bb709eda96cd..db941f6d9591 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -126,7 +126,7 @@ scm_version() fi # Check for svn and a svn repo. - if rev=$(LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'); then + if rev=$(LC_ALL=C svn info 2>/dev/null | grep '^Last Changed Rev'); then rev=$(echo $rev | awk '{print $NF}') printf -- '-svn%s' "$rev" diff --git a/scripts/spelling.txt b/scripts/spelling.txt index 7beb4262f719..7b6a01291598 100644 --- a/scripts/spelling.txt +++ b/scripts/spelling.txt @@ -480,6 +480,7 @@ devided||divided deviece||device devision||division diable||disable +diabled||disabled dicline||decline dictionnary||dictionary didnt||didn't @@ -1027,6 +1028,8 @@ oustanding||outstanding overaall||overall overhread||overhead overlaping||overlapping +overflw||overflow +overlfow||overflow overide||override overrided||overridden overriden||overridden diff --git a/scripts/tags.sh b/scripts/tags.sh index fd96734deff1..db8ba411860a 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -326,5 +326,5 @@ esac # Remove structure forward declarations. if [ -n "$remove_structs" ]; then - LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1 + LC_ALL=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1 fi diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 3998e1771805..b638fc2ef6f7 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -1204,11 +1204,17 @@ static const char *get_line_out_pfx(struct hda_codec *codec, int ch, *index = ch; return "Headphone"; case AUTO_PIN_LINE_OUT: - /* This deals with the case where we have two DACs and - * one LO, one HP and one Speaker */ - if (!ch && cfg->speaker_outs && cfg->hp_outs) { - bool hp_lo_shared = !path_has_mixer(codec, spec->hp_paths[0], ctl_type); - bool spk_lo_shared = !path_has_mixer(codec, spec->speaker_paths[0], ctl_type); + /* This deals with the case where one HP or one Speaker or + * one HP + one Speaker need to share the DAC with LO + */ + if (!ch) { + bool hp_lo_shared = false, spk_lo_shared = false; + + if (cfg->speaker_outs) + spk_lo_shared = !path_has_mixer(codec, + spec->speaker_paths[0], ctl_type); + if (cfg->hp_outs) + hp_lo_shared = !path_has_mixer(codec, spec->hp_paths[0], ctl_type); if (hp_lo_shared && spk_lo_shared) return spec->vmaster_mute.hook ? "PCM" : "Master"; if (hp_lo_shared) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index bd7bfd7c9ee7..6d58f24c9702 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4338,6 +4338,35 @@ static void alc245_fixup_hp_x360_amp(struct hda_codec *codec, } } +/* toggle GPIO2 at each time stream is started; we use PREPARE state instead */ +static void alc274_hp_envy_pcm_hook(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream, + int action) +{ + switch (action) { + case HDA_GEN_PCM_ACT_PREPARE: + alc_update_gpio_data(codec, 0x04, true); + break; + case HDA_GEN_PCM_ACT_CLEANUP: + alc_update_gpio_data(codec, 0x04, false); + break; + } +} + +static void alc274_fixup_hp_envy_gpio(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + struct alc_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PROBE) { + spec->gpio_mask |= 0x04; + spec->gpio_dir |= 0x04; + spec->gen.pcm_playback_hook = alc274_hp_envy_pcm_hook; + } +} + static void alc_update_coef_led(struct hda_codec *codec, struct alc_coef_led *led, bool polarity, bool on) @@ -5695,6 +5724,18 @@ static void alc_fixup_tpt470_dacs(struct hda_codec *codec, spec->gen.preferred_dacs = preferred_pairs; } +static void alc295_fixup_asus_dacs(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + static const hda_nid_t preferred_pairs[] = { + 0x17, 0x02, 0x21, 0x03, 0 + }; + struct alc_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) + spec->gen.preferred_dacs = preferred_pairs; +} + static void alc_shutup_dell_xps13(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; @@ -6453,6 +6494,7 @@ enum { ALC255_FIXUP_XIAOMI_HEADSET_MIC, ALC274_FIXUP_HP_MIC, ALC274_FIXUP_HP_HEADSET_MIC, + ALC274_FIXUP_HP_ENVY_GPIO, ALC256_FIXUP_ASUS_HPE, ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK, ALC287_FIXUP_HP_GPIO_LED, @@ -6463,6 +6505,8 @@ enum { ALC256_FIXUP_ACER_HEADSET_MIC, ALC285_FIXUP_IDEAPAD_S740_COEF, ALC285_FIXUP_HP_LIMIT_INT_MIC_BOOST, + ALC295_FIXUP_ASUS_DACS, + ALC295_FIXUP_HP_OMEN, }; static const struct hda_fixup alc269_fixups[] = { @@ -7894,6 +7938,10 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC274_FIXUP_HP_MIC }, + [ALC274_FIXUP_HP_ENVY_GPIO] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc274_fixup_hp_envy_gpio, + }, [ALC256_FIXUP_ASUS_HPE] = { .type = HDA_FIXUP_VERBS, .v.verbs = (const struct hda_verb[]) { @@ -7963,6 +8011,30 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC285_FIXUP_HP_MUTE_LED, }, + [ALC295_FIXUP_ASUS_DACS] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc295_fixup_asus_dacs, + }, + [ALC295_FIXUP_HP_OMEN] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x12, 0xb7a60130 }, + { 0x13, 0x40000000 }, + { 0x14, 0x411111f0 }, + { 0x16, 0x411111f0 }, + { 0x17, 0x90170110 }, + { 0x18, 0x411111f0 }, + { 0x19, 0x02a11030 }, + { 0x1a, 0x411111f0 }, + { 0x1b, 0x04a19030 }, + { 0x1d, 0x40600001 }, + { 0x1e, 0x411111f0 }, + { 0x21, 0x03211020 }, + {} + }, + .chained = true, + .chain_id = ALC269_FIXUP_HP_LINE1_MIC1_LED, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -8121,8 +8193,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x82c0, "HP G3 mini premium", ALC221_FIXUP_HP_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x83b9, "HP Spectre x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x8497, "HP Envy x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), + SND_PCI_QUIRK(0x103c, 0x84da, "HP OMEN dc0019-ur", ALC295_FIXUP_HP_OMEN), SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x869d, "HP", ALC236_FIXUP_HP_MUTE_LED), + SND_PCI_QUIRK(0x103c, 0x86c7, "HP Envy AiO 32", ALC274_FIXUP_HP_ENVY_GPIO), SND_PCI_QUIRK(0x103c, 0x8724, "HP EliteBook 850 G7", ALC285_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8729, "HP", ALC285_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8730, "HP ProBook 445 G7", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), @@ -8161,6 +8235,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_ASUS_ZENBOOK), SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A), SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC), + SND_PCI_QUIRK(0x1043, 0x1740, "ASUS UX430UA", ALC295_FIXUP_ASUS_DACS), SND_PCI_QUIRK(0x1043, 0x17d1, "ASUS UX431FL", ALC294_FIXUP_ASUS_DUAL_SPK), SND_PCI_QUIRK(0x1043, 0x1881, "ASUS Zephyrus S/M", ALC294_FIXUP_ASUS_GX502_PINS), SND_PCI_QUIRK(0x1043, 0x18b1, "Asus MJ401TA", ALC256_FIXUP_ASUS_HEADSET_MIC), @@ -8524,6 +8599,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC255_FIXUP_XIAOMI_HEADSET_MIC, .name = "alc255-xiaomi-headset"}, {.id = ALC274_FIXUP_HP_MIC, .name = "alc274-hp-mic-detect"}, {.id = ALC245_FIXUP_HP_X360_AMP, .name = "alc245-hp-x360-amp"}, + {.id = ALC295_FIXUP_HP_OMEN, .name = "alc295-hp-omen"}, {} }; #define ALC225_STANDARD_PINS \ @@ -8801,6 +8877,16 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x19, 0x03a11020}, {0x21, 0x0321101f}), SND_HDA_PIN_QUIRK(0x10ec0285, 0x17aa, "Lenovo", ALC285_FIXUP_LENOVO_PC_BEEP_IN_NOISE, + {0x12, 0x90a60130}, + {0x14, 0x90170110}, + {0x19, 0x04a11040}, + {0x21, 0x04211020}), + SND_HDA_PIN_QUIRK(0x10ec0285, 0x17aa, "Lenovo", ALC285_FIXUP_LENOVO_PC_BEEP_IN_NOISE, + {0x14, 0x90170110}, + {0x19, 0x04a11040}, + {0x1d, 0x40600001}, + {0x21, 0x04211020}), + SND_HDA_PIN_QUIRK(0x10ec0285, 0x17aa, "Lenovo", ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK, {0x14, 0x90170110}, {0x19, 0x04a11040}, {0x21, 0x04211020}), @@ -8971,10 +9057,6 @@ static const struct snd_hda_pin_quirk alc269_fallback_pin_fixup_tbl[] = { SND_HDA_PIN_QUIRK(0x10ec0274, 0x1028, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB, {0x19, 0x40000000}, {0x1a, 0x40000000}), - SND_HDA_PIN_QUIRK(0x10ec0285, 0x17aa, "Lenovo", ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK, - {0x14, 0x90170110}, - {0x19, 0x04a11040}, - {0x21, 0x04211020}), {} }; diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index 646deb6244b1..c5794e83fd80 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -337,6 +337,13 @@ static const struct usbmix_name_map bose_companion5_map[] = { { 0 } /* terminator */ }; +/* Sennheiser Communications Headset [PC 8], the dB value is reported as -6 negative maximum */ +static const struct usbmix_dB_map sennheiser_pc8_dB = {-9500, 0}; +static const struct usbmix_name_map sennheiser_pc8_map[] = { + { 9, NULL, .dB = &sennheiser_pc8_dB }, + { 0 } /* terminator */ +}; + /* * Dell usb dock with ALC4020 codec had a firmware problem where it got * screwed up when zero volume is passed; just skip it as a workaround @@ -593,6 +600,11 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x17aa, 0x1046), .map = lenovo_p620_rear_map, }, + { + /* Sennheiser Communications Headset [PC 8] */ + .id = USB_ID(0x1395, 0x0025), + .map = sennheiser_pc8_map, + }, { 0 } /* terminator */ }; diff --git a/tools/include/asm-generic/bitops/find.h b/tools/include/asm-generic/bitops/find.h index 16ed1982cb34..6481fd11012a 100644 --- a/tools/include/asm-generic/bitops/find.h +++ b/tools/include/asm-generic/bitops/find.h @@ -2,6 +2,13 @@ #ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_ #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_ +extern unsigned long _find_next_bit(const unsigned long *addr1, + const unsigned long *addr2, unsigned long nbits, + unsigned long start, unsigned long invert, unsigned long le); +extern unsigned long _find_first_bit(const unsigned long *addr, unsigned long size); +extern unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size); +extern unsigned long _find_last_bit(const unsigned long *addr, unsigned long size); + #ifndef find_next_bit /** * find_next_bit - find the next set bit in a memory region @@ -12,8 +19,22 @@ * Returns the bit number for the next set bit * If no bits are set, returns @size. */ -extern unsigned long find_next_bit(const unsigned long *addr, unsigned long - size, unsigned long offset); +static inline +unsigned long find_next_bit(const unsigned long *addr, unsigned long size, + unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val; + + if (unlikely(offset >= size)) + return size; + + val = *addr & GENMASK(size - 1, offset); + return val ? __ffs(val) : size; + } + + return _find_next_bit(addr, NULL, size, offset, 0UL, 0); +} #endif #ifndef find_next_and_bit @@ -27,13 +48,26 @@ extern unsigned long find_next_bit(const unsigned long *addr, unsigned long * Returns the bit number for the next set bit * If no bits are set, returns @size. */ -extern unsigned long find_next_and_bit(const unsigned long *addr1, +static inline +unsigned long find_next_and_bit(const unsigned long *addr1, const unsigned long *addr2, unsigned long size, - unsigned long offset); + unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val; + + if (unlikely(offset >= size)) + return size; + + val = *addr1 & *addr2 & GENMASK(size - 1, offset); + return val ? __ffs(val) : size; + } + + return _find_next_bit(addr1, addr2, size, offset, 0UL, 0); +} #endif #ifndef find_next_zero_bit - /** * find_next_zero_bit - find the next cleared bit in a memory region * @addr: The address to base the search on @@ -43,8 +77,22 @@ extern unsigned long find_next_and_bit(const unsigned long *addr1, * Returns the bit number of the next zero bit * If no bits are zero, returns @size. */ +static inline unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, - unsigned long offset); + unsigned long offset) +{ + if (small_const_nbits(size)) { + unsigned long val; + + if (unlikely(offset >= size)) + return size; + + val = *addr | ~GENMASK(size - 1, offset); + return val == ~0UL ? size : ffz(val); + } + + return _find_next_bit(addr, NULL, size, offset, ~0UL, 0); +} #endif #ifndef find_first_bit @@ -57,8 +105,17 @@ unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, * Returns the bit number of the first set bit. * If no bits are set, returns @size. */ -extern unsigned long find_first_bit(const unsigned long *addr, - unsigned long size); +static inline +unsigned long find_first_bit(const unsigned long *addr, unsigned long size) +{ + if (small_const_nbits(size)) { + unsigned long val = *addr & GENMASK(size - 1, 0); + + return val ? __ffs(val) : size; + } + + return _find_first_bit(addr, size); +} #endif /* find_first_bit */ @@ -72,7 +129,17 @@ extern unsigned long find_first_bit(const unsigned long *addr, * Returns the bit number of the first cleared bit. * If no bits are zero, returns @size. */ -unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size); +static inline +unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) +{ + if (small_const_nbits(size)) { + unsigned long val = *addr | ~GENMASK(size - 1, 0); + + return val == ~0UL ? size : ffz(val); + } + + return _find_first_zero_bit(addr, size); +} #endif #endif /*_TOOLS_LINUX_ASM_GENERIC_BITOPS_FIND_H_ */ diff --git a/tools/include/asm-generic/bitsperlong.h b/tools/include/asm-generic/bitsperlong.h index 8f2283052333..2093d56ddd11 100644 --- a/tools/include/asm-generic/bitsperlong.h +++ b/tools/include/asm-generic/bitsperlong.h @@ -18,4 +18,7 @@ #define BITS_PER_LONG_LONG 64 #endif +#define small_const_nbits(nbits) \ + (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0) + #endif /* __ASM_GENERIC_BITS_PER_LONG */ diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h index 477a1cae513f..330dbf7509cc 100644 --- a/tools/include/linux/bitmap.h +++ b/tools/include/linux/bitmap.h @@ -20,17 +20,9 @@ int __bitmap_equal(const unsigned long *bitmap1, void bitmap_clear(unsigned long *map, unsigned int start, int len); #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) +#define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) -#define BITMAP_LAST_WORD_MASK(nbits) \ -( \ - ((nbits) % BITS_PER_LONG) ? \ - (1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL \ -) - -#define small_const_nbits(nbits) \ - (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG) - -static inline void bitmap_zero(unsigned long *dst, int nbits) +static inline void bitmap_zero(unsigned long *dst, unsigned int nbits) { if (small_const_nbits(nbits)) *dst = 0UL; @@ -66,7 +58,7 @@ static inline int bitmap_full(const unsigned long *src, unsigned int nbits) return find_first_zero_bit(src, nbits) == nbits; } -static inline int bitmap_weight(const unsigned long *src, int nbits) +static inline int bitmap_weight(const unsigned long *src, unsigned int nbits) { if (small_const_nbits(nbits)) return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits)); @@ -74,7 +66,7 @@ static inline int bitmap_weight(const unsigned long *src, int nbits) } static inline void bitmap_or(unsigned long *dst, const unsigned long *src1, - const unsigned long *src2, int nbits) + const unsigned long *src2, unsigned int nbits) { if (small_const_nbits(nbits)) *dst = *src1 | *src2; @@ -141,7 +133,7 @@ static inline void bitmap_free(unsigned long *bitmap) * @buf: buffer to store output * @size: size of @buf */ -size_t bitmap_scnprintf(unsigned long *bitmap, int nbits, +size_t bitmap_scnprintf(unsigned long *bitmap, unsigned int nbits, char *buf, size_t size); /** diff --git a/tools/lib/bitmap.c b/tools/lib/bitmap.c index 5043747ef6c5..f4e914712b6f 100644 --- a/tools/lib/bitmap.c +++ b/tools/lib/bitmap.c @@ -28,11 +28,11 @@ void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, dst[k] = bitmap1[k] | bitmap2[k]; } -size_t bitmap_scnprintf(unsigned long *bitmap, int nbits, +size_t bitmap_scnprintf(unsigned long *bitmap, unsigned int nbits, char *buf, size_t size) { /* current bit is 'cur', most recently seen range is [rbot, rtop] */ - int cur, rbot, rtop; + unsigned int cur, rbot, rtop; bool first = true; size_t ret = 0; diff --git a/tools/lib/bpf/ringbuf.c b/tools/lib/bpf/ringbuf.c index e7a8d847161f..1d80ad4e0de8 100644 --- a/tools/lib/bpf/ringbuf.c +++ b/tools/lib/bpf/ringbuf.c @@ -202,9 +202,11 @@ static inline int roundup_len(__u32 len) return (len + 7) / 8 * 8; } -static int ringbuf_process_ring(struct ring* r) +static int64_t ringbuf_process_ring(struct ring* r) { - int *len_ptr, len, err, cnt = 0; + int *len_ptr, len, err; + /* 64-bit to avoid overflow in case of extreme application behavior */ + int64_t cnt = 0; unsigned long cons_pos, prod_pos; bool got_new_data; void *sample; @@ -244,12 +246,14 @@ done: } /* Consume available ring buffer(s) data without event polling. - * Returns number of records consumed across all registered ring buffers, or - * negative number if any of the callbacks return error. + * Returns number of records consumed across all registered ring buffers (or + * INT_MAX, whichever is less), or negative number if any of the callbacks + * return error. */ int ring_buffer__consume(struct ring_buffer *rb) { - int i, err, res = 0; + int64_t err, res = 0; + int i; for (i = 0; i < rb->ring_cnt; i++) { struct ring *ring = &rb->rings[i]; @@ -259,18 +263,24 @@ int ring_buffer__consume(struct ring_buffer *rb) return err; res += err; } + if (res > INT_MAX) + return INT_MAX; return res; } /* Poll for available data and consume records, if any are available. - * Returns number of records consumed, or negative number, if any of the - * registered callbacks returned error. + * Returns number of records consumed (or INT_MAX, whichever is less), or + * negative number, if any of the registered callbacks returned error. */ int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms) { - int i, cnt, err, res = 0; + int i, cnt; + int64_t err, res = 0; cnt = epoll_wait(rb->epoll_fd, rb->events, rb->ring_cnt, timeout_ms); + if (cnt < 0) + return -errno; + for (i = 0; i < cnt; i++) { __u32 ring_id = rb->events[i].data.fd; struct ring *ring = &rb->rings[ring_id]; @@ -280,7 +290,9 @@ int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms) return err; res += err; } - return cnt < 0 ? -errno : res; + if (res > INT_MAX) + return INT_MAX; + return res; } /* Get an fd that can be used to sleep until data is available in the ring(s) */ diff --git a/tools/lib/find_bit.c b/tools/lib/find_bit.c index ac37022e9486..109aa7ffcf97 100644 --- a/tools/lib/find_bit.c +++ b/tools/lib/find_bit.c @@ -28,11 +28,12 @@ * searching it for one bits. * - The optional "addr2", which is anded with "addr1" if present. */ -static inline unsigned long _find_next_bit(const unsigned long *addr1, +unsigned long _find_next_bit(const unsigned long *addr1, const unsigned long *addr2, unsigned long nbits, - unsigned long start, unsigned long invert) + unsigned long start, unsigned long invert, unsigned long le) { - unsigned long tmp; + unsigned long tmp, mask; + (void) le; if (unlikely(start >= nbits)) return nbits; @@ -43,7 +44,19 @@ static inline unsigned long _find_next_bit(const unsigned long *addr1, tmp ^= invert; /* Handle 1st word. */ - tmp &= BITMAP_FIRST_WORD_MASK(start); + mask = BITMAP_FIRST_WORD_MASK(start); + + /* + * Due to the lack of swab() in tools, and the fact that it doesn't + * need little-endian support, just comment it out + */ +#if (0) + if (le) + mask = swab(mask); +#endif + + tmp &= mask; + start = round_down(start, BITS_PER_LONG); while (!tmp) { @@ -57,18 +70,12 @@ static inline unsigned long _find_next_bit(const unsigned long *addr1, tmp ^= invert; } - return min(start + __ffs(tmp), nbits); -} +#if (0) + if (le) + tmp = swab(tmp); #endif -#ifndef find_next_bit -/* - * Find the next set bit in a memory region. - */ -unsigned long find_next_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - return _find_next_bit(addr, NULL, size, offset, 0UL); + return min(start + __ffs(tmp), nbits); } #endif @@ -76,7 +83,7 @@ unsigned long find_next_bit(const unsigned long *addr, unsigned long size, /* * Find the first set bit in a memory region. */ -unsigned long find_first_bit(const unsigned long *addr, unsigned long size) +unsigned long _find_first_bit(const unsigned long *addr, unsigned long size) { unsigned long idx; @@ -93,7 +100,7 @@ unsigned long find_first_bit(const unsigned long *addr, unsigned long size) /* * Find the first cleared bit in a memory region. */ -unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) +unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size) { unsigned long idx; @@ -105,20 +112,3 @@ unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) return size; } #endif - -#ifndef find_next_zero_bit -unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - return _find_next_bit(addr, NULL, size, offset, ~0UL); -} -#endif - -#ifndef find_next_and_bit -unsigned long find_next_and_bit(const unsigned long *addr1, - const unsigned long *addr2, unsigned long size, - unsigned long offset) -{ - return _find_next_bit(addr1, addr2, size, offset, 0UL); -} -#endif diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include index 25adfec2cb39..f9271f3ea912 100644 --- a/tools/scripts/Makefile.include +++ b/tools/scripts/Makefile.include @@ -38,6 +38,7 @@ EXTRA_WARNINGS += -Wswitch-enum EXTRA_WARNINGS += -Wundef EXTRA_WARNINGS += -Wwrite-strings EXTRA_WARNINGS += -Wformat +EXTRA_WARNINGS += -Wno-type-limits # Makefiles suck: This macro sets a default value of $(2) for the # variable named by $(1), unless the variable has been set by diff --git a/tools/testing/selftests/bpf/prog_tests/snprintf.c b/tools/testing/selftests/bpf/prog_tests/snprintf.c index a958c22aec75..dffbcaa1ec98 100644 --- a/tools/testing/selftests/bpf/prog_tests/snprintf.c +++ b/tools/testing/selftests/bpf/prog_tests/snprintf.c @@ -43,6 +43,8 @@ void test_snprintf_positive(void) if (!ASSERT_OK_PTR(skel, "skel_open")) return; + skel->bss->pid = getpid(); + if (!ASSERT_OK(test_snprintf__attach(skel), "skel_attach")) goto cleanup; diff --git a/tools/testing/selftests/bpf/progs/test_snprintf.c b/tools/testing/selftests/bpf/progs/test_snprintf.c index 951a0301c553..e35129bea0a0 100644 --- a/tools/testing/selftests/bpf/progs/test_snprintf.c +++ b/tools/testing/selftests/bpf/progs/test_snprintf.c @@ -5,6 +5,8 @@ #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> +__u32 pid = 0; + char num_out[64] = {}; long num_ret = 0; @@ -42,6 +44,9 @@ int handler(const void *ctx) static const char str1[] = "str1"; static const char longstr[] = "longstr"; + if ((int)bpf_get_current_pid_tgid() != pid) + return 0; + /* Integer types */ num_ret = BPF_SNPRINTF(num_out, sizeof(num_out), "%d %u %x %li %llu %lX", diff --git a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c index ad7fabd575f9..65ede506305c 100644 --- a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c +++ b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c @@ -3449,4 +3449,48 @@ TEST(epoll63) close(sfd[1]); } +/* + * t0 t1 + * (ew) \ / (ew) + * e0 + * | (lt) + * s0 + */ +TEST(epoll64) +{ + pthread_t waiter[2]; + struct epoll_event e; + struct epoll_mtcontext ctx = { 0 }; + + signal(SIGUSR1, signal_handler); + + ASSERT_EQ(socketpair(AF_UNIX, SOCK_STREAM, 0, ctx.sfd), 0); + + ctx.efd[0] = epoll_create(1); + ASSERT_GE(ctx.efd[0], 0); + + e.events = EPOLLIN; + ASSERT_EQ(epoll_ctl(ctx.efd[0], EPOLL_CTL_ADD, ctx.sfd[0], &e), 0); + + /* + * main will act as the emitter once both waiter threads are + * blocked and expects to both be awoken upon the ready event. + */ + ctx.main = pthread_self(); + ASSERT_EQ(pthread_create(&waiter[0], NULL, waiter_entry1a, &ctx), 0); + ASSERT_EQ(pthread_create(&waiter[1], NULL, waiter_entry1a, &ctx), 0); + + usleep(100000); + ASSERT_EQ(write(ctx.sfd[1], "w", 1), 1); + + ASSERT_EQ(pthread_join(waiter[0], NULL), 0); + ASSERT_EQ(pthread_join(waiter[1], NULL), 0); + + EXPECT_EQ(ctx.count, 2); + + close(ctx.efd[0]); + close(ctx.sfd[0]); + close(ctx.sfd[1]); +} + TEST_HARNESS_MAIN diff --git a/tools/testing/selftests/kvm/lib/sparsebit.c b/tools/testing/selftests/kvm/lib/sparsebit.c index 031ba3c932ed..a0d0c83d83de 100644 --- a/tools/testing/selftests/kvm/lib/sparsebit.c +++ b/tools/testing/selftests/kvm/lib/sparsebit.c @@ -1890,7 +1890,6 @@ void sparsebit_validate_internal(struct sparsebit *s) */ #include <stdlib.h> -#include <assert.h> struct range { sparsebit_idx_t first, last; diff --git a/tools/testing/selftests/mincore/mincore_selftest.c b/tools/testing/selftests/mincore/mincore_selftest.c index 5a1e85ff5d32..e54106643337 100644 --- a/tools/testing/selftests/mincore/mincore_selftest.c +++ b/tools/testing/selftests/mincore/mincore_selftest.c @@ -14,7 +14,6 @@ #include <sys/mman.h> #include <string.h> #include <fcntl.h> -#include <string.h> #include "../kselftest.h" #include "../kselftest_harness.h" diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh index 9236609731b1..3c4cb72ed8a4 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh @@ -274,7 +274,7 @@ check_mptcp_disabled() ip netns exec ${disabled_ns} sysctl -q net.mptcp.enabled=0 local err=0 - LANG=C ip netns exec ${disabled_ns} ./mptcp_connect -p 10000 -s MPTCP 127.0.0.1 < "$cin" 2>&1 | \ + LC_ALL=C ip netns exec ${disabled_ns} ./mptcp_connect -p 10000 -s MPTCP 127.0.0.1 < "$cin" 2>&1 | \ grep -q "^socket: Protocol not available$" && err=1 ip netns delete ${disabled_ns} diff --git a/tools/testing/selftests/powerpc/mm/tlbie_test.c b/tools/testing/selftests/powerpc/mm/tlbie_test.c index f85a0938ab25..48344a74b212 100644 --- a/tools/testing/selftests/powerpc/mm/tlbie_test.c +++ b/tools/testing/selftests/powerpc/mm/tlbie_test.c @@ -33,7 +33,6 @@ #include <sched.h> #include <time.h> #include <stdarg.h> -#include <sched.h> #include <pthread.h> #include <signal.h> #include <sys/prctl.h> diff --git a/tools/testing/selftests/proc/Makefile b/tools/testing/selftests/proc/Makefile index 8be8a03d2973..1054e40a499a 100644 --- a/tools/testing/selftests/proc/Makefile +++ b/tools/testing/selftests/proc/Makefile @@ -12,6 +12,7 @@ TEST_GEN_PROGS += proc-self-map-files-001 TEST_GEN_PROGS += proc-self-map-files-002 TEST_GEN_PROGS += proc-self-syscall TEST_GEN_PROGS += proc-self-wchan +TEST_GEN_PROGS += proc-subset-pid TEST_GEN_PROGS += proc-uptime-001 TEST_GEN_PROGS += proc-uptime-002 TEST_GEN_PROGS += read diff --git a/tools/testing/selftests/proc/proc-subset-pid.c b/tools/testing/selftests/proc/proc-subset-pid.c new file mode 100644 index 000000000000..d1052bcab039 --- /dev/null +++ b/tools/testing/selftests/proc/proc-subset-pid.c @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2021 Alexey Dobriyan <[email protected]> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/* + * Test that "mount -t proc -o subset=pid" hides everything but pids, + * /proc/self and /proc/thread-self. + */ +#undef NDEBUG +#include <assert.h> +#include <errno.h> +#include <sched.h> +#include <stdbool.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mount.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <dirent.h> +#include <unistd.h> +#include <stdio.h> + +static inline bool streq(const char *a, const char *b) +{ + return strcmp(a, b) == 0; +} + +static void make_private_proc(void) +{ + if (unshare(CLONE_NEWNS) == -1) { + if (errno == ENOSYS || errno == EPERM) { + exit(4); + } + exit(1); + } + if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) == -1) { + exit(1); + } + if (mount(NULL, "/proc", "proc", 0, "subset=pid") == -1) { + exit(1); + } +} + +static bool string_is_pid(const char *s) +{ + while (1) { + switch (*s++) { + case '0':case '1':case '2':case '3':case '4': + case '5':case '6':case '7':case '8':case '9': + continue; + + case '\0': + return true; + + default: + return false; + } + } +} + +int main(void) +{ + make_private_proc(); + + DIR *d = opendir("/proc"); + assert(d); + + struct dirent *de; + + bool dot = false; + bool dot_dot = false; + bool self = false; + bool thread_self = false; + + while ((de = readdir(d))) { + if (streq(de->d_name, ".")) { + assert(!dot); + dot = true; + assert(de->d_type == DT_DIR); + } else if (streq(de->d_name, "..")) { + assert(!dot_dot); + dot_dot = true; + assert(de->d_type == DT_DIR); + } else if (streq(de->d_name, "self")) { + assert(!self); + self = true; + assert(de->d_type == DT_LNK); + } else if (streq(de->d_name, "thread-self")) { + assert(!thread_self); + thread_self = true; + assert(de->d_type == DT_LNK); + } else { + if (!string_is_pid(de->d_name)) { + fprintf(stderr, "d_name '%s'\n", de->d_name); + assert(0); + } + assert(de->d_type == DT_DIR); + } + } + + char c; + int rv = readlink("/proc/cpuinfo", &c, 1); + assert(rv == -1 && errno == ENOENT); + + int fd = open("/proc/cpuinfo", O_RDONLY); + assert(fd == -1 && errno == ENOENT); + + return 0; +} diff --git a/tools/testing/selftests/proc/read.c b/tools/testing/selftests/proc/read.c index b3ef9e14d6cc..35ee78dff144 100644 --- a/tools/testing/selftests/proc/read.c +++ b/tools/testing/selftests/proc/read.c @@ -14,7 +14,7 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ // Test -// 1) read of every file in /proc +// 1) read and lseek on every file in /proc // 2) readlink of every symlink in /proc // 3) recursively (1) + (2) for every directory in /proc // 4) write to /proc/*/clear_refs and /proc/*/task/*/clear_refs @@ -45,6 +45,8 @@ static void f_reg(DIR *d, const char *filename) fd = openat(dirfd(d), filename, O_RDONLY|O_NONBLOCK); if (fd == -1) return; + /* struct proc_ops::proc_lseek is mandatory if file is seekable. */ + (void)lseek(fd, 0, SEEK_SET); rv = read(fd, buf, sizeof(buf)); assert((0 <= rv && rv <= sizeof(buf)) || rv == -1); close(fd); diff --git a/tools/usb/hcd-tests.sh b/tools/usb/hcd-tests.sh index e8cad6a4f9c9..73f914d13f5c 100644 --- a/tools/usb/hcd-tests.sh +++ b/tools/usb/hcd-tests.sh @@ -272,5 +272,3 @@ do echo '' done done - -# vim: sw=4 diff --git a/usr/.gitignore b/usr/.gitignore index 935442ed1eb2..8996e7a88902 100644 --- a/usr/.gitignore +++ b/usr/.gitignore @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -gen_init_cpio -initramfs_data.cpio +/gen_init_cpio +/initramfs_data.cpio /initramfs_inc_data diff --git a/usr/gen_initramfs.sh b/usr/gen_initramfs.sh index 8ae831657e5d..63476bb70b41 100755 --- a/usr/gen_initramfs.sh +++ b/usr/gen_initramfs.sh @@ -147,7 +147,7 @@ dir_filelist() { header "$1" srcdir=$(echo "$1" | sed -e 's://*:/:g') - dirlist=$(find "${srcdir}" -printf "%p %m %U %G\n" | LANG=C sort) + dirlist=$(find "${srcdir}" -printf "%p %m %U %G\n" | LC_ALL=C sort) # If $dirlist is only one line, then the directory is empty if [ "$(echo "${dirlist}" | wc -l)" -gt 1 ]; then diff --git a/usr/include/.gitignore b/usr/include/.gitignore index d2fab782cb7d..17b0ba1bd325 100644 --- a/usr/include/.gitignore +++ b/usr/include/.gitignore @@ -1,4 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -* -!.gitignore -!Makefile +/*/ |