diff options
243 files changed, 4218 insertions, 1176 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl b/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl index 7ac7d7262bb7..3c3514815cd5 100644 --- a/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl +++ b/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl @@ -1,23 +1,18 @@ -What: /sys/devices/platform/<i2c-demux-name>/cur_master +What: /sys/devices/platform/<i2c-demux-name>/available_masters Date: January 2016 KernelVersion: 4.6 Contact: Wolfram Sang <[email protected]> Description: + Reading the file will give you a list of masters which can be + selected for a demultiplexed bus. The format is + "<index>:<name>". Example from a Renesas Lager board: -This file selects the active I2C master for a demultiplexed bus. + 0:/i2c@e6500000 1:/i2c@e6508000 -Write 0 there for the first master, 1 for the second etc. Reading the file will -give you a list with the active master marked. Example from a Renesas Lager -board: - -root@Lager:~# cat /sys/devices/platform/i2c@8/cur_master -* 0 - /i2c@9 - 1 - /i2c@e6520000 - 2 - /i2c@e6530000 - -root@Lager:~# echo 2 > /sys/devices/platform/i2c@8/cur_master - -root@Lager:~# cat /sys/devices/platform/i2c@8/cur_master - 0 - /i2c@9 - 1 - /i2c@e6520000 -* 2 - /i2c@e6530000 +What: /sys/devices/platform/<i2c-demux-name>/current_master +Date: January 2016 +KernelVersion: 4.6 +Contact: Wolfram Sang <[email protected]> +Description: + This file selects/shows the active I2C master for a demultiplexed + bus. It uses the <index> value from the file 'available_masters'. diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 7328cf85236c..1fd1fbe9ce95 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -586,6 +586,10 @@ drivers to make their ->remove() callbacks avoid races with runtime PM directly, but also it allows of more flexibility in the handling of devices during the removal of their drivers. +Drivers in ->remove() callback should undo the runtime PM changes done +in ->probe(). Usually this means calling pm_runtime_disable(), +pm_runtime_dont_use_autosuspend() etc. + The user space can effectively disallow the driver of the device to power manage it at run time by changing the value of its /sys/devices/.../power/control attribute to "on", which causes pm_runtime_forbid() to be called. In principle, diff --git a/MAINTAINERS b/MAINTAINERS index 7f9f4bda9d15..1d5b4becab6f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4302,7 +4302,7 @@ F: drivers/net/ethernet/agere/ ETHERNET BRIDGE M: Stephen Hemminger <[email protected]> +L: [email protected] (moderated for non-subscribers) W: http://www.linuxfoundation.org/en/Net:Bridge S: Maintained @@ -5751,7 +5751,7 @@ R: Don Skidmore <[email protected]> R: Bruce Allan <[email protected]> R: John Ronciak <[email protected]> R: Mitch Williams <[email protected]> +L: [email protected] (moderated for non-subscribers) W: http://www.intel.com/support/feedback.htm W: http://e1000.sourceforge.net/ Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/ @@ -7576,7 +7576,7 @@ F: drivers/infiniband/hw/nes/ NETEM NETWORK EMULATOR M: Stephen Hemminger <[email protected]> +L: [email protected] (moderated for non-subscribers) S: Maintained F: net/sched/sch_netem.c @@ -9142,6 +9142,13 @@ T: git git://github.com/KrasnikovEugene/wcn36xx.git S: Supported F: drivers/net/wireless/ath/wcn36xx/ +QEMU MACHINE EMULATOR AND VIRTUALIZER SUPPORT +M: Gabriel Somlo <[email protected]> +M: "Michael S. Tsirkin" <[email protected]> +S: Maintained +F: drivers/firmware/qemu_fw_cfg.c + RADOS BLOCK DEVICE (RBD) M: Ilya Dryomov <[email protected]> M: Sage Weil <[email protected]> @@ -10588,6 +10595,14 @@ L: [email protected] S: Maintained F: drivers/staging/nvec/ +STAGING - OLPC SECONDARY DISPLAY CONTROLLER (DCON) +M: Jens Frederich <[email protected]> +M: Daniel Drake <[email protected]> +M: Jon Nettleton <[email protected]> +W: http://wiki.laptop.org/go/DCON +S: Maintained +F: drivers/staging/olpc_dcon/ + STAGING - REALTEK RTL8712U DRIVERS M: Larry Finger <[email protected]> M: Florian Schilhabel <[email protected]>. @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 6 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc3 NAME = Blurry Fish Butt # *DOCUMENTATION* diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 208aae071b37..12d0284a46e5 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -593,7 +593,6 @@ config PCI_SYSCALL def_bool PCI source "drivers/pci/Kconfig" -source "drivers/pci/pcie/Kconfig" endmenu diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi index ab5d5701e11d..44a578c10732 100644 --- a/arch/arc/boot/dts/axs10x_mb.dtsi +++ b/arch/arc/boot/dts/axs10x_mb.dtsi @@ -47,14 +47,6 @@ clocks = <&apbclk>; clock-names = "stmmaceth"; max-speed = <100>; - mdio0 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "snps,dwmac-mdio"; - phy1: ethernet-phy@1 { - reg = <1>; - }; - }; }; ehci@0x40000 { diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig index f8b396c9aedb..491b3b5f22bd 100644 --- a/arch/arc/configs/axs103_defconfig +++ b/arch/arc/configs/axs103_defconfig @@ -42,6 +42,7 @@ CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_BLK_DEV_LOOP=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_NETDEVICES=y diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig index 56128ea2b748..b25ee73b2e79 100644 --- a/arch/arc/configs/axs103_smp_defconfig +++ b/arch/arc/configs/axs103_smp_defconfig @@ -43,6 +43,7 @@ CONFIG_DEVTMPFS=y # CONFIG_STANDALONE is not set # CONFIG_PREVENT_FIRMWARE_BUILD is not set # CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_BLK_DEV_LOOP=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_NETDEVICES=y diff --git a/arch/arc/include/asm/fb.h b/arch/arc/include/asm/fb.h new file mode 100644 index 000000000000..bd3f68c9ddfc --- /dev/null +++ b/arch/arc/include/asm/fb.h @@ -0,0 +1,19 @@ +#ifndef _ASM_FB_H_ +#define _ASM_FB_H_ + +#include <linux/fb.h> +#include <linux/fs.h> +#include <asm/page.h> + +static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, + unsigned long off) +{ + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); +} + +static inline int fb_is_primary_device(struct fb_info *info) +{ + return 0; +} + +#endif /* _ASM_FB_H_ */ diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 7b84657fba35..194b69923389 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -19,7 +19,7 @@ * This may need to be greater than __NR_last_syscall+1 in order to * account for the padding in the syscall table */ -#define __NR_syscalls (392) +#define __NR_syscalls (396) #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index 5dd2528e9e45..2cb9dc770e1d 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -418,6 +418,8 @@ #define __NR_membarrier (__NR_SYSCALL_BASE+389) #define __NR_mlock2 (__NR_SYSCALL_BASE+390) #define __NR_copy_file_range (__NR_SYSCALL_BASE+391) +#define __NR_preadv2 (__NR_SYSCALL_BASE+392) +#define __NR_pwritev2 (__NR_SYSCALL_BASE+393) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index dfc7cd6851ad..703fa0f3cd8f 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -399,8 +399,10 @@ CALL(sys_execveat) CALL(sys_userfaultfd) CALL(sys_membarrier) - CALL(sys_mlock2) +/* 390 */ CALL(sys_mlock2) CALL(sys_copy_file_range) + CALL(sys_preadv2) + CALL(sys_pwritev2) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 139791ed473d..a28fce0bdbbe 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -430,11 +430,13 @@ static void __init patch_aeabi_idiv(void) pr_info("CPU: div instructions available: patching division code\n"); fn_addr = ((uintptr_t)&__aeabi_uidiv) & ~1; + asm ("" : "+g" (fn_addr)); ((u32 *)fn_addr)[0] = udiv_instruction(); ((u32 *)fn_addr)[1] = bx_lr_instruction(); flush_icache_range(fn_addr, fn_addr + 8); fn_addr = ((uintptr_t)&__aeabi_idiv) & ~1; + asm ("" : "+g" (fn_addr)); ((u32 *)fn_addr)[0] = sdiv_instruction(); ((u32 *)fn_addr)[1] = bx_lr_instruction(); flush_icache_range(fn_addr, fn_addr + 8); diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 0f8963a7e7d9..6fcaac8e200f 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -281,12 +281,12 @@ __v7_ca17mp_setup: bl v7_invalidate_l1 ldmia r12, {r1-r6, lr} #ifdef CONFIG_SMP + orr r10, r10, #(1 << 6) @ Enable SMP/nAMP mode ALT_SMP(mrc p15, 0, r0, c1, c0, 1) - ALT_UP(mov r0, #(1 << 6)) @ fake it for UP - tst r0, #(1 << 6) @ SMP/nAMP mode enabled? - orreq r0, r0, #(1 << 6) @ Enable SMP/nAMP mode - orreq r0, r0, r10 @ Enable CPU-specific SMP bits - mcreq p15, 0, r0, c1, c0, 1 + ALT_UP(mov r0, r10) @ fake it for UP + orr r10, r10, r0 @ Set required bits + teq r10, r0 @ Were they already set? + mcrne p15, 0, r10, c1, c0, 1 @ No, update register #endif b __v7_setup_cont diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index d1fc4796025e..3ee6976f6088 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-amiga" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -64,7 +63,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -285,7 +283,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -359,6 +359,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -452,6 +453,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -468,6 +470,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -549,6 +552,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -557,7 +561,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -565,12 +568,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -594,7 +594,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index 9bfe8be3658c..e96787ffcbce 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-apollo" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -62,7 +61,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -283,7 +281,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -341,6 +341,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -411,6 +412,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -427,6 +429,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -508,6 +511,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -516,7 +520,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -524,12 +527,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -553,7 +553,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index ebdcfae55580..083fe6beac14 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-atari" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -62,7 +61,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -283,7 +281,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -350,6 +350,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -432,6 +433,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -448,6 +450,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -529,6 +532,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -537,7 +541,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -545,12 +548,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -574,7 +574,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index 8acc65e54995..475130c06dcb 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-bvme6000" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -60,7 +59,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -281,7 +279,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -340,6 +340,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -403,6 +404,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -419,6 +421,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -500,6 +503,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -508,7 +512,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -516,12 +519,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -545,7 +545,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index 0c6a3d52b26e..4339658c200f 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-hp300" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -62,7 +61,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -283,7 +281,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -341,6 +341,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -413,6 +414,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -429,6 +431,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -510,6 +513,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -518,7 +522,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -526,12 +529,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -555,7 +555,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index 12a8a6cb32f4..831cc8c3a2e2 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-mac" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -61,7 +60,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -285,7 +283,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -357,6 +357,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -435,6 +436,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -451,6 +453,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -532,6 +535,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -540,7 +544,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -548,12 +551,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -577,7 +577,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index 64ff2dcb34c8..6377afeb522b 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-multi" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -71,7 +70,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -295,7 +293,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -390,6 +390,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -515,6 +516,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -531,6 +533,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -612,6 +615,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -620,7 +624,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -628,12 +631,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -657,7 +657,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index 07fc6abcfe0c..4304b3d56262 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-mvme147" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -59,7 +58,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -280,7 +278,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -339,6 +339,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -403,6 +404,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -419,6 +421,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -500,6 +503,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -508,7 +512,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -516,12 +519,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -545,7 +545,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index 69903ded88f7..074bda4094ff 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-mvme16x" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -60,7 +59,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -281,7 +279,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -340,6 +340,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -403,6 +404,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -419,6 +421,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -500,6 +503,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -508,7 +512,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -516,12 +519,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -545,7 +545,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index bd8401686dde..07b9fa8d7f2e 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-q40" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -60,7 +59,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -281,7 +279,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -346,6 +346,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -426,6 +427,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -442,6 +444,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -523,6 +526,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -531,7 +535,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -539,12 +542,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -568,7 +568,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index 5f9fb3ab9636..36e6fae02d45 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-sun3" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -57,7 +56,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -278,7 +276,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -337,6 +337,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -405,6 +406,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -421,6 +423,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -502,6 +505,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -509,7 +513,6 @@ CONFIG_TEST_BPF=m CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -517,12 +520,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -546,7 +546,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index 5d1c674530e2..903acf929511 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -1,7 +1,6 @@ CONFIG_LOCALVERSION="-sun3x" CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_FHANDLE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=16 @@ -57,7 +56,6 @@ CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m CONFIG_INET_XFRM_MODE_BEET=m -# CONFIG_INET_LRO is not set CONFIG_INET_DIAG=m CONFIG_INET_UDP_DIAG=m CONFIG_IPV6=m @@ -278,7 +276,9 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y +CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -337,6 +337,7 @@ CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m CONFIG_GENEVE=m +CONFIG_MACSEC=m CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m @@ -405,6 +406,7 @@ CONFIG_JFS_FS=m CONFIG_XFS_FS=m CONFIG_OCFS2_FS=m # CONFIG_OCFS2_DEBUG_MASKLOG is not set +CONFIG_FS_ENCRYPTION=m CONFIG_FANOTIFY=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -421,6 +423,7 @@ CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_PROC_CHILDREN=y CONFIG_TMPFS=y +CONFIG_ORANGEFS_FS=m CONFIG_AFFS_FS=m CONFIG_ECRYPT_FS=m CONFIG_ECRYPT_FS_MESSAGING=y @@ -502,6 +505,7 @@ CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m +CONFIG_TEST_BITMAP=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_LKM=m CONFIG_TEST_USER_COPY=m @@ -510,7 +514,6 @@ CONFIG_TEST_FIRMWARE=m CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_EARLY_PRINTK=y -CONFIG_ENCRYPTED_KEYS=m CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_USER=m @@ -518,12 +521,9 @@ CONFIG_CRYPTO_CRYPTD=m CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m -CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CHACHA20POLY1305=m -CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m -CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_KEYWRAP=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m @@ -547,7 +547,6 @@ CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m -CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index bafaff6dcd7b..a857d82ec509 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 377 +#define NR_syscalls 379 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index 0ca729665f29..9fe674bf911f 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -382,5 +382,7 @@ #define __NR_membarrier 374 #define __NR_mlock2 375 #define __NR_copy_file_range 376 +#define __NR_preadv2 377 +#define __NR_pwritev2 378 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 8bb94261ff97..d6fd6d9ced24 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -397,3 +397,5 @@ ENTRY(sys_call_table) .long sys_membarrier .long sys_mlock2 /* 375 */ .long sys_copy_file_range + .long sys_preadv2 + .long sys_pwritev2 diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index d4dd6e58682c..7955e43f3f3f 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -44,20 +44,18 @@ static inline long access_ok(int type, const void __user * addr, #define LDD_USER(ptr) BUILD_BUG() #define STD_KERNEL(x, ptr) __put_kernel_asm64(x, ptr) #define STD_USER(x, ptr) __put_user_asm64(x, ptr) -#define ASM_WORD_INSN ".word\t" #else #define LDD_KERNEL(ptr) __get_kernel_asm("ldd", ptr) #define LDD_USER(ptr) __get_user_asm("ldd", ptr) #define STD_KERNEL(x, ptr) __put_kernel_asm("std", x, ptr) #define STD_USER(x, ptr) __put_user_asm("std", x, ptr) -#define ASM_WORD_INSN ".dword\t" #endif /* - * The exception table contains two values: the first is an address - * for an instruction that is allowed to fault, and the second is - * the address to the fixup routine. Even on a 64bit kernel we could - * use a 32bit (unsigned int) address here. + * The exception table contains two values: the first is the relative offset to + * the address of the instruction that is allowed to fault, and the second is + * the relative offset to the address of the fixup routine. Since relative + * addresses are used, 32bit values are sufficient even on 64bit kernel. */ #define ARCH_HAS_RELATIVE_EXTABLE @@ -77,6 +75,7 @@ struct exception_table_entry { */ struct exception_data { unsigned long fault_ip; + unsigned long fault_gp; unsigned long fault_space; unsigned long fault_addr; }; diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index d2f62570a7b1..78d30d2ea2d8 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -299,6 +299,7 @@ int main(void) #endif BLANK(); DEFINE(EXCDATA_IP, offsetof(struct exception_data, fault_ip)); + DEFINE(EXCDATA_GP, offsetof(struct exception_data, fault_gp)); DEFINE(EXCDATA_SPACE, offsetof(struct exception_data, fault_space)); DEFINE(EXCDATA_ADDR, offsetof(struct exception_data, fault_addr)); BLANK(); diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index b9d75d9fa9ac..a0ecdb4abcc8 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -660,6 +660,10 @@ int apply_relocate_add(Elf_Shdr *sechdrs, } *loc = (*loc & ~0x3ff1ffd) | reassemble_22(val); break; + case R_PARISC_PCREL32: + /* 32-bit PC relative address */ + *loc = val - dot - 8 + addend; + break; default: printk(KERN_ERR "module %s: Unknown relocation: %u\n", @@ -788,6 +792,10 @@ int apply_relocate_add(Elf_Shdr *sechdrs, CHECK_RELOC(val, 22); *loc = (*loc & ~0x3ff1ffd) | reassemble_22(val); break; + case R_PARISC_PCREL32: + /* 32-bit PC relative address */ + *loc = val - dot - 8 + addend; + break; case R_PARISC_DIR64: /* 64-bit effective address */ *loc64 = val + addend; diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index 568b2c61ea02..3cad8aadc69e 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -47,11 +47,11 @@ EXPORT_SYMBOL(__cmpxchg_u64); EXPORT_SYMBOL(lclear_user); EXPORT_SYMBOL(lstrnlen_user); -/* Global fixups */ -extern void fixup_get_user_skip_1(void); -extern void fixup_get_user_skip_2(void); -extern void fixup_put_user_skip_1(void); -extern void fixup_put_user_skip_2(void); +/* Global fixups - defined as int to avoid creation of function pointers */ +extern int fixup_get_user_skip_1; +extern int fixup_get_user_skip_2; +extern int fixup_put_user_skip_1; +extern int fixup_put_user_skip_2; EXPORT_SYMBOL(fixup_get_user_skip_1); EXPORT_SYMBOL(fixup_get_user_skip_2); EXPORT_SYMBOL(fixup_put_user_skip_1); diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 16e0735e2f46..97d6b208e129 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -795,6 +795,9 @@ void notrace handle_interruption(int code, struct pt_regs *regs) if (fault_space == 0 && !faulthandler_disabled()) { + /* Clean up and return if in exception table. */ + if (fixup_exception(regs)) + return; pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC); parisc_terminate("Kernel Fault", regs, code, fault_address); } diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S index 536ef66bb94b..1052b747e011 100644 --- a/arch/parisc/lib/fixup.S +++ b/arch/parisc/lib/fixup.S @@ -26,6 +26,7 @@ #ifdef CONFIG_SMP .macro get_fault_ip t1 t2 + loadgp addil LT%__per_cpu_offset,%r27 LDREG RT%__per_cpu_offset(%r1),\t1 /* t2 = smp_processor_id() */ @@ -40,14 +41,19 @@ LDREG RT%exception_data(%r1),\t1 /* t1 = this_cpu_ptr(&exception_data) */ add,l \t1,\t2,\t1 + /* %r27 = t1->fault_gp - restore gp */ + LDREG EXCDATA_GP(\t1), %r27 /* t1 = t1->fault_ip */ LDREG EXCDATA_IP(\t1), \t1 .endm #else .macro get_fault_ip t1 t2 + loadgp /* t1 = this_cpu_ptr(&exception_data) */ addil LT%exception_data,%r27 LDREG RT%exception_data(%r1),\t2 + /* %r27 = t2->fault_gp - restore gp */ + LDREG EXCDATA_GP(\t2), %r27 /* t1 = t2->fault_ip */ LDREG EXCDATA_IP(\t2), \t1 .endm diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 26fac9c671c9..16dbe81c97c9 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -145,6 +145,7 @@ int fixup_exception(struct pt_regs *regs) struct exception_data *d; d = this_cpu_ptr(&exception_data); d->fault_ip = regs->iaoq[0]; + d->fault_gp = regs->gr[27]; d->fault_space = regs->isr; d->fault_addr = regs->ior; diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 426e946ed0c0..5b3c9a55f51c 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -167,6 +167,14 @@ #define MSR_PKG_C9_RESIDENCY 0x00000631 #define MSR_PKG_C10_RESIDENCY 0x00000632 +/* Interrupt Response Limit */ +#define MSR_PKGC3_IRTL 0x0000060a +#define MSR_PKGC6_IRTL 0x0000060b +#define MSR_PKGC7_IRTL 0x0000060c +#define MSR_PKGC8_IRTL 0x00000633 +#define MSR_PKGC9_IRTL 0x00000634 +#define MSR_PKGC10_IRTL 0x00000635 + /* Run Time Average Power Limiting (RAPL) Interface */ #define MSR_RAPL_POWER_UNIT 0x00000606 diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 2367ae07eb76..319b08a5b6ed 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -146,31 +146,6 @@ int default_check_phys_apicid_present(int phys_apicid) struct boot_params boot_params; -/* - * Machine setup.. - */ -static struct resource data_resource = { - .name = "Kernel data", - .start = 0, - .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM -}; - -static struct resource code_resource = { - .name = "Kernel code", - .start = 0, - .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM -}; - -static struct resource bss_resource = { - .name = "Kernel bss", - .start = 0, - .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM -}; - - #ifdef CONFIG_X86_32 /* cpu data as detected by the assembly code in head.S */ struct cpuinfo_x86 new_cpu_data = { @@ -949,13 +924,6 @@ void __init setup_arch(char **cmdline_p) mpx_mm_init(&init_mm); - code_resource.start = __pa_symbol(_text); - code_resource.end = __pa_symbol(_etext)-1; - data_resource.start = __pa_symbol(_etext); - data_resource.end = __pa_symbol(_edata)-1; - bss_resource.start = __pa_symbol(__bss_start); - bss_resource.end = __pa_symbol(__bss_stop)-1; - #ifdef CONFIG_CMDLINE_BOOL #ifdef CONFIG_CMDLINE_OVERRIDE strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); @@ -1019,11 +987,6 @@ void __init setup_arch(char **cmdline_p) x86_init.resources.probe_roms(); - /* after parse_early_param, so could debug it */ - insert_resource(&iomem_resource, &code_resource); - insert_resource(&iomem_resource, &data_resource); - insert_resource(&iomem_resource, &bss_resource); - e820_add_kernel_range(); trim_bios_range(); #ifdef CONFIG_X86_32 diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index a1e0b9ab847a..5fb7718f256c 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -246,6 +246,8 @@ static int device_wakeup_attach(struct device *dev, struct wakeup_source *ws) return -EEXIST; } dev->power.wakeup = ws; + if (dev->power.wakeirq) + device_wakeup_attach_irq(dev, dev->power.wakeirq); spin_unlock_irq(&dev->power.lock); return 0; } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 9c6234428607..94a1843b0426 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1953,7 +1953,7 @@ static struct ceph_osd_request *rbd_osd_req_create( osdc = &rbd_dev->rbd_client->client->osdc; osd_req = ceph_osdc_alloc_request(osdc, snapc, num_ops, false, - GFP_ATOMIC); + GFP_NOIO); if (!osd_req) return NULL; /* ENOMEM */ @@ -2002,7 +2002,7 @@ rbd_osd_req_create_copyup(struct rbd_obj_request *obj_request) rbd_dev = img_request->rbd_dev; osdc = &rbd_dev->rbd_client->client->osdc; osd_req = ceph_osdc_alloc_request(osdc, snapc, num_osd_ops, - false, GFP_ATOMIC); + false, GFP_NOIO); if (!osd_req) return NULL; /* ENOMEM */ @@ -2504,7 +2504,7 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request, bio_chain_clone_range(&bio_list, &bio_offset, clone_size, - GFP_ATOMIC); + GFP_NOIO); if (!obj_request->bio_list) goto out_unwind; } else if (type == OBJ_REQUEST_PAGES) { diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index f951f911786e..5f8dbe640a20 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -4,9 +4,6 @@ * Copyright (C) 2014 Linaro. * Viresh Kumar <[email protected]> * - * The OPP code in function set_target() is reused from - * drivers/cpufreq/omap-cpufreq.c - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 4b644526fd59..8b5a415ee14a 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -64,6 +64,25 @@ static inline int ceiling_fp(int32_t x) return ret; } +/** + * struct sample - Store performance sample + * @core_pct_busy: Ratio of APERF/MPERF in percent, which is actual + * performance during last sample period + * @busy_scaled: Scaled busy value which is used to calculate next + * P state. This can be different than core_pct_busy + * to account for cpu idle period + * @aperf: Difference of actual performance frequency clock count + * read from APERF MSR between last and current sample + * @mperf: Difference of maximum performance frequency clock count + * read from MPERF MSR between last and current sample + * @tsc: Difference of time stamp counter between last and + * current sample + * @freq: Effective frequency calculated from APERF/MPERF + * @time: Current time from scheduler + * + * This structure is used in the cpudata structure to store performance sample + * data for choosing next P State. + */ struct sample { int32_t core_pct_busy; int32_t busy_scaled; @@ -74,6 +93,20 @@ struct sample { u64 time; }; +/** + * struct pstate_data - Store P state data + * @current_pstate: Current requested P state + * @min_pstate: Min P state possible for this platform + * @max_pstate: Max P state possible for this platform + * @max_pstate_physical:This is physical Max P state for a processor + * This can be higher than the max_pstate which can + * be limited by platform thermal design power limits + * @scaling: Scaling factor to convert frequency to cpufreq + * frequency units + * @turbo_pstate: Max Turbo P state possible for this platform + * + * Stores the per cpu model P state limits and current P state. + */ struct pstate_data { int current_pstate; int min_pstate; @@ -83,6 +116,19 @@ struct pstate_data { int turbo_pstate; }; +/** + * struct vid_data - Stores voltage information data + * @min: VID data for this platform corresponding to + * the lowest P state + * @max: VID data corresponding to the highest P State. + * @turbo: VID data for turbo P state + * @ratio: Ratio of (vid max - vid min) / + * (max P state - Min P State) + * + * Stores the voltage data for DVFS (Dynamic Voltage and Frequency Scaling) + * This data is used in Atom platforms, where in addition to target P state, + * the voltage data needs to be specified to select next P State. + */ struct vid_data { int min; int max; @@ -90,6 +136,18 @@ struct vid_data { int32_t ratio; }; +/** + * struct _pid - Stores PID data + * @setpoint: Target set point for busyness or performance + * @integral: Storage for accumulated error values + * @p_gain: PID proportional gain + * @i_gain: PID integral gain + * @d_gain: PID derivative gain + * @deadband: PID deadband + * @last_err: Last error storage for integral part of PID calculation + * + * Stores PID coefficients and last error for PID controller. + */ struct _pid { int setpoint; int32_t integral; @@ -100,6 +158,23 @@ struct _pid { int32_t last_err; }; +/** + * struct cpudata - Per CPU instance data storage + * @cpu: CPU number for this instance data + * @update_util: CPUFreq utility callback information + * @pstate: Stores P state limits for this CPU + * @vid: Stores VID limits for this CPU + * @pid: Stores PID parameters for this CPU + * @last_sample_time: Last Sample time + * @prev_aperf: Last APERF value read from APERF MSR + * @prev_mperf: Last MPERF value read from MPERF MSR + * @prev_tsc: Last timestamp counter (TSC) value + * @prev_cummulative_iowait: IO Wait time difference from last and + * current sample + * @sample: Storage for storing last Sample data + * + * This structure stores per CPU instance data for all CPUs. + */ struct cpudata { int cpu; @@ -118,6 +193,19 @@ struct cpudata { }; static struct cpudata **all_cpu_data; + +/** + * struct pid_adjust_policy - Stores static PID configuration data + * @sample_rate_ms: PID calculation sample rate in ms + * @sample_rate_ns: Sample rate calculation in ns + * @deadband: PID deadband + * @setpoint: PID Setpoint + * @p_gain_pct: PID proportional gain + * @i_gain_pct: PID integral gain + * @d_gain_pct: PID derivative gain + * + * Stores per CPU model static PID configuration data. + */ struct pstate_adjust_policy { int sample_rate_ms; s64 sample_rate_ns; @@ -128,6 +216,20 @@ struct pstate_adjust_policy { int i_gain_pct; }; +/** + * struct pstate_funcs - Per CPU model specific callbacks + * @get_max: Callback to get maximum non turbo effective P state + * @get_max_physical: Callback to get maximum non turbo physical P state + * @get_min: Callback to get minimum P state + * @get_turbo: Callback to get turbo P state + * @get_scaling: Callback to get frequency scaling factor + * @get_val: Callback to convert P state to actual MSR write value + * @get_vid: Callback to get VID data for Atom platforms + * @get_target_pstate: Callback to a function to calculate next P state to use + * + * Core and Atom CPU models have different way to get P State limits. This + * structure is used to store those callbacks. + */ struct pstate_funcs { int (*get_max)(void); int (*get_max_physical)(void); @@ -139,6 +241,11 @@ struct pstate_funcs { int32_t (*get_target_pstate)(struct cpudata *); }; +/** + * struct cpu_defaults- Per CPU model default config data + * @pid_policy: PID config data + * @funcs: Callback function data + */ struct cpu_defaults { struct pstate_adjust_policy pid_policy; struct pstate_funcs funcs; @@ -151,6 +258,34 @@ static struct pstate_adjust_policy pid_params; static struct pstate_funcs pstate_funcs; static int hwp_active; + +/** + * struct perf_limits - Store user and policy limits + * @no_turbo: User requested turbo state from intel_pstate sysfs + * @turbo_disabled: Platform turbo status either from msr + * MSR_IA32_MISC_ENABLE or when maximum available pstate + * matches the maximum turbo pstate + * @max_perf_pct: Effective maximum performance limit in percentage, this + * is minimum of either limits enforced by cpufreq policy + * or limits from user set limits via intel_pstate sysfs + * @min_perf_pct: Effective minimum performance limit in percentage, this + * is maximum of either limits enforced by cpufreq policy + * or limits from user set limits via intel_pstate sysfs + * @max_perf: This is a scaled value between 0 to 255 for max_perf_pct + * This value is used to limit max pstate + * @min_perf: This is a scaled value between 0 to 255 for min_perf_pct + * This value is used to limit min pstate + * @max_policy_pct: The maximum performance in percentage enforced by + * cpufreq setpolicy interface + * @max_sysfs_pct: The maximum performance in percentage enforced by + * intel pstate sysfs interface + * @min_policy_pct: The minimum performance in percentage enforced by + * cpufreq setpolicy interface + * @min_sysfs_pct: The minimum performance in percentage enforced by + * intel pstate sysfs interface + * + * Storage for user and policy defined limits. + */ struct perf_limits { int no_turbo; int turbo_disabled; @@ -910,7 +1045,14 @@ static inline bool intel_pstate_sample(struct cpudata *cpu, u64 time) cpu->prev_aperf = aperf; cpu->prev_mperf = mperf; cpu->prev_tsc = tsc; - return true; + /* + * First time this function is invoked in a given cycle, all of the + * previous sample data fields are equal to zero or stale and they must + * be populated with meaningful numbers for things to work, so assume + * that sample.time will always be reset before setting the utilization + * update hook and make the caller skip the sample then. + */ + return !!cpu->last_sample_time; } static inline int32_t get_avg_frequency(struct cpudata *cpu) @@ -984,8 +1126,7 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) * enough period of time to adjust our busyness. */ duration_ns = cpu->sample.time - cpu->last_sample_time; - if ((s64)duration_ns > pid_params.sample_rate_ns * 3 - && cpu->last_sample_time > 0) { + if ((s64)duration_ns > pid_params.sample_rate_ns * 3) { sample_ratio = div_fp(int_tofp(pid_params.sample_rate_ns), int_tofp(duration_ns)); core_busy = mul_fp(core_busy, sample_ratio); @@ -1100,10 +1241,8 @@ static int intel_pstate_init_cpu(unsigned int cpunum) intel_pstate_get_cpu_pstates(cpu); intel_pstate_busy_pid_reset(cpu); - intel_pstate_sample(cpu, 0); cpu->update_util.func = intel_pstate_update_util; - cpufreq_set_update_util_data(cpunum, &cpu->update_util); pr_debug("intel_pstate: controlling: cpu %d\n", cpunum); @@ -1122,22 +1261,54 @@ static unsigned int intel_pstate_get(unsigned int cpu_num) return get_avg_frequency(cpu); } +static void intel_pstate_set_update_util_hook(unsigned int cpu_num) +{ + struct cpudata *cpu = all_cpu_data[cpu_num]; + + /* Prevent intel_pstate_update_util() from using stale data. */ + cpu->sample.time = 0; + cpufreq_set_update_util_data(cpu_num, &cpu->update_util); +} + +static void intel_pstate_clear_update_util_hook(unsigned int cpu) +{ + cpufreq_set_update_util_data(cpu, NULL); + synchronize_sched(); +} + +static void intel_pstate_set_performance_limits(struct perf_limits *limits) +{ + limits->no_turbo = 0; + limits->turbo_disabled = 0; + limits->max_perf_pct = 100; + limits->max_perf = int_tofp(1); + limits->min_perf_pct = 100; + limits->min_perf = int_tofp(1); + limits->max_policy_pct = 100; + limits->max_sysfs_pct = 100; + limits->min_policy_pct = 0; + limits->min_sysfs_pct = 0; +} + static int intel_pstate_set_policy(struct cpufreq_policy *policy) { if (!policy->cpuinfo.max_freq) return -ENODEV; - if (policy->policy == CPUFREQ_POLICY_PERFORMANCE && - policy->max >= policy->cpuinfo.max_freq) { - pr_debug("intel_pstate: set performance\n"); + intel_pstate_clear_update_util_hook(policy->cpu); + + if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { limits = &performance_limits; - if (hwp_active) - intel_pstate_hwp_set(policy->cpus); - return 0; + if (policy->max >= policy->cpuinfo.max_freq) { + pr_debug("intel_pstate: set performance\n"); + intel_pstate_set_performance_limits(limits); + goto out; + } + } else { + pr_debug("intel_pstate: set powersave\n"); + limits = &powersave_limits; } - pr_debug("intel_pstate: set powersave\n"); - limits = &powersave_limits; limits->min_policy_pct = (policy->min * 100) / policy->cpuinfo.max_freq; limits->min_policy_pct = clamp_t(int, limits->min_policy_pct, 0 , 100); limits->max_policy_pct = DIV_ROUND_UP(policy->max * 100, @@ -1163,6 +1334,9 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits->max_perf = div_fp(int_tofp(limits->max_perf_pct), int_tofp(100)); + out: + intel_pstate_set_update_util_hook(policy->cpu); + if (hwp_active) intel_pstate_hwp_set(policy->cpus); @@ -1187,8 +1361,7 @@ static void intel_pstate_stop_cpu(struct cpufreq_policy *policy) pr_debug("intel_pstate: CPU %d exiting\n", cpu_num); - cpufreq_set_update_util_data(cpu_num, NULL); - synchronize_sched(); + intel_pstate_clear_update_util_hook(cpu_num); if (hwp_active) return; @@ -1455,8 +1628,7 @@ out: get_online_cpus(); for_each_online_cpu(cpu) { if (all_cpu_data[cpu]) { - cpufreq_set_update_util_data(cpu, NULL); - synchronize_sched(); + intel_pstate_clear_update_util_hook(cpu); kfree(all_cpu_data[cpu]); } } diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c index fedbff55a7f3..815c4a5cae54 100644 --- a/drivers/firmware/qemu_fw_cfg.c +++ b/drivers/firmware/qemu_fw_cfg.c @@ -77,12 +77,28 @@ static inline u16 fw_cfg_sel_endianness(u16 key) static inline void fw_cfg_read_blob(u16 key, void *buf, loff_t pos, size_t count) { + u32 glk; + acpi_status status; + + /* If we have ACPI, ensure mutual exclusion against any potential + * device access by the firmware, e.g. via AML methods: + */ + status = acpi_acquire_global_lock(ACPI_WAIT_FOREVER, &glk); + if (ACPI_FAILURE(status) && status != AE_NOT_CONFIGURED) { + /* Should never get here */ + WARN(1, "fw_cfg_read_blob: Failed to lock ACPI!\n"); + memset(buf, 0, count); + return; + } + mutex_lock(&fw_cfg_dev_lock); iowrite16(fw_cfg_sel_endianness(key), fw_cfg_reg_ctrl); while (pos-- > 0) ioread8(fw_cfg_reg_data); ioread8_rep(fw_cfg_reg_data, buf, count); mutex_unlock(&fw_cfg_dev_lock); + + acpi_release_global_lock(glk); } /* clean up fw_cfg device i/o */ @@ -727,12 +743,18 @@ device_param_cb(mmio, &fw_cfg_cmdline_param_ops, NULL, S_IRUSR); static int __init fw_cfg_sysfs_init(void) { + int ret; + /* create /sys/firmware/qemu_fw_cfg/ top level directory */ fw_cfg_top_ko = kobject_create_and_add("qemu_fw_cfg", firmware_kobj); if (!fw_cfg_top_ko) return -ENOMEM; - return platform_driver_register(&fw_cfg_sysfs_driver); + ret = platform_driver_register(&fw_cfg_sysfs_driver); + if (ret) + fw_cfg_kobj_cleanup(fw_cfg_top_ko); + + return ret; } static void __exit fw_cfg_sysfs_exit(void) diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index d0d3065a7557..e66084c295fb 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -18,6 +18,7 @@ #include <linux/i2c.h> #include <linux/platform_data/pca953x.h> #include <linux/slab.h> +#include <asm/unaligned.h> #include <linux/of_platform.h> #include <linux/acpi.h> @@ -159,7 +160,7 @@ static int pca953x_write_regs(struct pca953x_chip *chip, int reg, u8 *val) switch (chip->chip_type) { case PCA953X_TYPE: ret = i2c_smbus_write_word_data(chip->client, - reg << 1, (u16) *val); + reg << 1, cpu_to_le16(get_unaligned((u16 *)val))); break; case PCA957X_TYPE: ret = i2c_smbus_write_byte_data(chip->client, reg << 1, diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index b2b7b78664b8..76ac906b4d78 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -283,8 +283,8 @@ static int pxa_gpio_direction_output(struct gpio_chip *chip, writel_relaxed(mask, base + (value ? GPSR_OFFSET : GPCR_OFFSET)); ret = pinctrl_gpio_direction_output(chip->base + offset); - if (!ret) - return 0; + if (ret) + return ret; spin_lock_irqsave(&gpio_lock, flags); diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 72065532c1c7..b747c76fd2b1 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -68,6 +68,7 @@ LIST_HEAD(gpio_devices); static void gpiochip_free_hogs(struct gpio_chip *chip); static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip); +static bool gpiolib_initialized; static inline void desc_set_label(struct gpio_desc *d, const char *label) { @@ -440,9 +441,63 @@ static void gpiodevice_release(struct device *dev) cdev_del(&gdev->chrdev); list_del(&gdev->list); ida_simple_remove(&gpio_ida, gdev->id); + kfree(gdev->label); + kfree(gdev->descs); kfree(gdev); } +static int gpiochip_setup_dev(struct gpio_device *gdev) +{ + int status; + + cdev_init(&gdev->chrdev, &gpio_fileops); + gdev->chrdev.owner = THIS_MODULE; + gdev->chrdev.kobj.parent = &gdev->dev.kobj; + gdev->dev.devt = MKDEV(MAJOR(gpio_devt), gdev->id); + status = cdev_add(&gdev->chrdev, gdev->dev.devt, 1); + if (status < 0) + chip_warn(gdev->chip, "failed to add char device %d:%d\n", + MAJOR(gpio_devt), gdev->id); + else + chip_dbg(gdev->chip, "added GPIO chardev (%d:%d)\n", + MAJOR(gpio_devt), gdev->id); + status = device_add(&gdev->dev); + if (status) + goto err_remove_chardev; + + status = gpiochip_sysfs_register(gdev); + if (status) + goto err_remove_device; + + /* From this point, the .release() function cleans up gpio_device */ + gdev->dev.release = gpiodevice_release; + get_device(&gdev->dev); + pr_debug("%s: registered GPIOs %d to %d on device: %s (%s)\n", + __func__, gdev->base, gdev->base + gdev->ngpio - 1, + dev_name(&gdev->dev), gdev->chip->label ? : "generic"); + + return 0; + +err_remove_device: + device_del(&gdev->dev); +err_remove_chardev: + cdev_del(&gdev->chrdev); + return status; +} + +static void gpiochip_setup_devs(void) +{ + struct gpio_device *gdev; + int err; + + list_for_each_entry(gdev, &gpio_devices, list) { + err = gpiochip_setup_dev(gdev); + if (err) + pr_err("%s: Failed to initialize gpio device (%d)\n", + dev_name(&gdev->dev), err); + } +} + /** * gpiochip_add_data() - register a gpio_chip * @chip: the chip to register, with chip->base initialized @@ -457,6 +512,9 @@ static void gpiodevice_release(struct device *dev) * the gpio framework's arch_initcall(). Otherwise sysfs initialization * for GPIOs will fail rudely. * + * gpiochip_add_data() must only be called after gpiolib initialization, + * ie after core_initcall(). + * * If chip->base is negative, this requests dynamic assignment of * a range of valid GPIOs. */ @@ -504,8 +562,7 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) else gdev->owner = THIS_MODULE; - gdev->descs = devm_kcalloc(&gdev->dev, chip->ngpio, - sizeof(gdev->descs[0]), GFP_KERNEL); + gdev->descs = kcalloc(chip->ngpio, sizeof(gdev->descs[0]), GFP_KERNEL); if (!gdev->descs) { status = -ENOMEM; goto err_free_gdev; @@ -514,16 +571,16 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) if (chip->ngpio == 0) { chip_err(chip, "tried to insert a GPIO chip with zero lines\n"); status = -EINVAL; - goto err_free_gdev; + goto err_free_descs; } if (chip->label) - gdev->label = devm_kstrdup(&gdev->dev, chip->label, GFP_KERNEL); + gdev->label = kstrdup(chip->label, GFP_KERNEL); else - gdev->label = devm_kstrdup(&gdev->dev, "unknown", GFP_KERNEL); + gdev->label = kstrdup("unknown", GFP_KERNEL); if (!gdev->label) { status = -ENOMEM; - goto err_free_gdev; + goto err_free_descs; } gdev->ngpio = chip->ngpio; @@ -543,7 +600,7 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) if (base < 0) { status = base; spin_unlock_irqrestore(&gpio_lock, flags); - goto err_free_gdev; + goto err_free_label; } /* * TODO: it should not be necessary to reflect the assigned @@ -558,7 +615,7 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) status = gpiodev_add_to_list(gdev); if (status) { spin_unlock_irqrestore(&gpio_lock, flags); - goto err_free_gdev; + goto err_free_label; } for (i = 0; i < chip->ngpio; i++) { @@ -596,39 +653,16 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) * we get a device node entry in sysfs under * /sys/bus/gpio/devices/gpiochipN/dev that can be used for * coldplug of device nodes and other udev business. + * We can do this only if gpiolib has been initialized. + * Otherwise, defer until later. */ - cdev_init(&gdev->chrdev, &gpio_fileops); - gdev->chrdev.owner = THIS_MODULE; - gdev->chrdev.kobj.parent = &gdev->dev.kobj; - gdev->dev.devt = MKDEV(MAJOR(gpio_devt), gdev->id); - status = cdev_add(&gdev->chrdev, gdev->dev.devt, 1); - if (status < 0) - chip_warn(chip, "failed to add char device %d:%d\n", - MAJOR(gpio_devt), gdev->id); - else - chip_dbg(chip, "added GPIO chardev (%d:%d)\n", - MAJOR(gpio_devt), gdev->id); - status = device_add(&gdev->dev); - if (status) - goto err_remove_chardev; - - status = gpiochip_sysfs_register(gdev); - if (status) - goto err_remove_device; - - /* From this point, the .release() function cleans up gpio_device */ - gdev->dev.release = gpiodevice_release; - get_device(&gdev->dev); - pr_debug("%s: registered GPIOs %d to %d on device: %s (%s)\n", - __func__, gdev->base, gdev->base + gdev->ngpio - 1, - dev_name(&gdev->dev), chip->label ? : "generic"); - + if (gpiolib_initialized) { + status = gpiochip_setup_dev(gdev); + if (status) + goto err_remove_chip; + } return 0; -err_remove_device: - device_del(&gdev->dev); -err_remove_chardev: - cdev_del(&gdev->chrdev); err_remove_chip: acpi_gpiochip_remove(chip); gpiochip_free_hogs(chip); @@ -637,6 +671,10 @@ err_remove_from_list: spin_lock_irqsave(&gpio_lock, flags); list_del(&gdev->list); spin_unlock_irqrestore(&gpio_lock, flags); +err_free_label: + kfree(gdev->label); +err_free_descs: + kfree(gdev->descs); err_free_gdev: ida_simple_remove(&gpio_ida, gdev->id); /* failures here can mean systems won't boot... */ @@ -2231,9 +2269,11 @@ static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, return desc; } -static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, +static struct gpio_desc *acpi_find_gpio(struct device *dev, + const char *con_id, unsigned int idx, - enum gpio_lookup_flags *flags) + enum gpiod_flags flags, + enum gpio_lookup_flags *lookupflags) { struct acpi_device *adev = ACPI_COMPANION(dev); struct acpi_gpio_info info; @@ -2264,10 +2304,16 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, desc = acpi_get_gpiod_by_index(adev, NULL, idx, &info); if (IS_ERR(desc)) return desc; + + if ((flags == GPIOD_OUT_LOW || flags == GPIOD_OUT_HIGH) && + info.gpioint) { + dev_dbg(dev, "refusing GpioInt() entry when doing GPIOD_OUT_* lookup\n"); + return ERR_PTR(-ENOENT); + } } if (info.polarity == GPIO_ACTIVE_LOW) - *flags |= GPIO_ACTIVE_LOW; + *lookupflags |= GPIO_ACTIVE_LOW; return desc; } @@ -2530,7 +2576,7 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev, desc = of_find_gpio(dev, con_id, idx, &lookupflags); } else if (ACPI_COMPANION(dev)) { dev_dbg(dev, "using ACPI for GPIO lookup\n"); - desc = acpi_find_gpio(dev, con_id, idx, &lookupflags); + desc = acpi_find_gpio(dev, con_id, idx, flags, &lookupflags); } } @@ -2829,6 +2875,9 @@ static int __init gpiolib_dev_init(void) if (ret < 0) { pr_err("gpiolib: failed to allocate char dev region\n"); bus_unregister(&gpio_bus_type); + } else { + gpiolib_initialized = true; + gpiochip_setup_devs(); } return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index c4a21c6428f5..62a778012fe0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1591,6 +1591,7 @@ struct amdgpu_uvd { struct amdgpu_bo *vcpu_bo; void *cpu_addr; uint64_t gpu_addr; + void *saved_bo; atomic_t handles[AMDGPU_MAX_UVD_HANDLES]; struct drm_file *filp[AMDGPU_MAX_UVD_HANDLES]; struct delayed_work idle_work; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 7a4b101e10c6..6043dc7c3a94 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -816,10 +816,13 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, struct drm_device *ddev = adev->ddev; struct drm_crtc *crtc; uint32_t line_time_us, vblank_lines; + struct cgs_mode_info *mode_info; if (info == NULL) return -EINVAL; + mode_info = info->mode_info; + if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { @@ -828,7 +831,7 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, info->active_display_mask |= (1 << amdgpu_crtc->crtc_id); info->display_count++; } - if (info->mode_info != NULL && + if (mode_info != NULL && crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) { line_time_us = (amdgpu_crtc->hw_mode.crtc_htotal * 1000) / @@ -836,10 +839,10 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, vblank_lines = amdgpu_crtc->hw_mode.crtc_vblank_end - amdgpu_crtc->hw_mode.crtc_vdisplay + (amdgpu_crtc->v_border * 2); - info->mode_info->vblank_time_us = vblank_lines * line_time_us; - info->mode_info->refresh_rate = drm_mode_vrefresh(&amdgpu_crtc->hw_mode); - info->mode_info->ref_clock = adev->clock.spll.reference_freq; - info->mode_info++; + mode_info->vblank_time_us = vblank_lines * line_time_us; + mode_info->refresh_rate = drm_mode_vrefresh(&amdgpu_crtc->hw_mode); + mode_info->ref_clock = adev->clock.spll.reference_freq; + mode_info = NULL; } } } @@ -847,6 +850,16 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, return 0; } + +static int amdgpu_cgs_notify_dpm_enabled(void *cgs_device, bool enabled) +{ + CGS_FUNC_ADEV; + + adev->pm.dpm_enabled = enabled; + + return 0; +} + /** \brief evaluate acpi namespace object, handle or pathname must be valid * \param cgs_device * \param info input/output arguments for the control method @@ -1097,6 +1110,7 @@ static const struct cgs_ops amdgpu_cgs_ops = { amdgpu_cgs_set_powergating_state, amdgpu_cgs_set_clockgating_state, amdgpu_cgs_get_active_displays_info, + amdgpu_cgs_notify_dpm_enabled, amdgpu_cgs_call_acpi_method, amdgpu_cgs_query_system_info, }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index f0ed974bd4e0..3fb405b3a614 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -57,7 +57,7 @@ static bool amdgpu_flip_handle_fence(struct amdgpu_flip_work *work, if (!fence_add_callback(fence, &work->cb, amdgpu_flip_callback)) return true; - fence_put(*f); + fence_put(fence); return false; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 4303b447efe8..d81f1f4883a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -121,7 +121,7 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **f) { struct amdgpu_device *adev = ring->adev; struct amdgpu_fence *fence; - struct fence **ptr; + struct fence *old, **ptr; uint32_t seq; fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL); @@ -141,7 +141,11 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **f) /* This function can't be called concurrently anyway, otherwise * emitting the fence would mess up the hardware ring buffer. */ - BUG_ON(rcu_dereference_protected(*ptr, 1)); + old = rcu_dereference_protected(*ptr, 1); + if (old && !fence_is_signaled(old)) { + DRM_INFO("rcu slot is busy\n"); + fence_wait(old, false); + } rcu_assign_pointer(*ptr, fence_get(&fence->base)); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index f594cfaa97e5..762cfdb85147 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -219,6 +219,8 @@ int amdgpu_irq_init(struct amdgpu_device *adev) if (r) { return r; } + adev->ddev->vblank_disable_allowed = true; + /* enable msi */ adev->irq.msi_enabled = false; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 7805a8706af7..598eb0cd5aab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -382,6 +382,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file struct drm_amdgpu_info_vram_gtt vram_gtt; vram_gtt.vram_size = adev->mc.real_vram_size; + vram_gtt.vram_size -= adev->vram_pin_size; vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size; vram_gtt.vram_cpu_accessible_size -= adev->vram_pin_size; vram_gtt.gtt_size = adev->mc.gtt_size; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 56d1458393cc..5b6639faa731 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -476,6 +476,17 @@ int amdgpu_bo_evict_vram(struct amdgpu_device *adev) return ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_VRAM); } +static const char *amdgpu_vram_names[] = { + "UNKNOWN", + "GDDR1", + "DDR2", + "GDDR3", + "GDDR4", + "GDDR5", + "HBM", + "DDR3" +}; + int amdgpu_bo_init(struct amdgpu_device *adev) { /* Add an MTRR for the VRAM */ @@ -484,8 +495,8 @@ int amdgpu_bo_init(struct amdgpu_device *adev) DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n", adev->mc.mc_vram_size >> 20, (unsigned long long)adev->mc.aper_size >> 20); - DRM_INFO("RAM width %dbits DDR\n", - adev->mc.vram_width); + DRM_INFO("RAM width %dbits %s\n", + adev->mc.vram_width, amdgpu_vram_names[adev->mc.vram_type]); return amdgpu_ttm_init(adev); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c index 3cb6d6c413c7..e9c6ae6ed2f7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c @@ -143,7 +143,7 @@ static int amdgpu_pp_late_init(void *handle) adev->powerplay.pp_handle); #ifdef CONFIG_DRM_AMD_POWERPLAY - if (adev->pp_enabled) { + if (adev->pp_enabled && adev->pm.dpm_enabled) { amdgpu_pm_sysfs_init(adev); amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_COMPLETE_INIT, NULL, NULL); } @@ -161,12 +161,8 @@ static int amdgpu_pp_sw_init(void *handle) adev->powerplay.pp_handle); #ifdef CONFIG_DRM_AMD_POWERPLAY - if (adev->pp_enabled) { - if (amdgpu_dpm == 0) - adev->pm.dpm_enabled = false; - else - adev->pm.dpm_enabled = true; - } + if (adev->pp_enabled) + adev->pm.dpm_enabled = true; #endif return ret; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index c1a581044417..338da80006b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -241,32 +241,28 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev) int amdgpu_uvd_suspend(struct amdgpu_device *adev) { - struct amdgpu_ring *ring = &adev->uvd.ring; - int i, r; + unsigned size; + void *ptr; + int i; if (adev->uvd.vcpu_bo == NULL) return 0; - for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { - uint32_t handle = atomic_read(&adev->uvd.handles[i]); - if (handle != 0) { - struct fence *fence; + for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) + if (atomic_read(&adev->uvd.handles[i])) + break; - amdgpu_uvd_note_usage(adev); + if (i == AMDGPU_MAX_UVD_HANDLES) + return 0; - r = amdgpu_uvd_get_destroy_msg(ring, handle, false, &fence); - if (r) { - DRM_ERROR("Error destroying UVD (%d)!\n", r); - continue; - } + size = amdgpu_bo_size(adev->uvd.vcpu_bo); + ptr = adev->uvd.cpu_addr; - fence_wait(fence, false); - fence_put(fence); + adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); + if (!adev->uvd.saved_bo) + return -ENOMEM; - adev->uvd.filp[i] = NULL; - atomic_set(&adev->uvd.handles[i], 0); - } - } + memcpy(adev->uvd.saved_bo, ptr, size); return 0; } @@ -275,23 +271,29 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev) { unsigned size; void *ptr; - const struct common_firmware_header *hdr; - unsigned offset; if (adev->uvd.vcpu_bo == NULL) return -EINVAL; - hdr = (const struct common_firmware_header *)adev->uvd.fw->data; - offset = le32_to_cpu(hdr->ucode_array_offset_bytes); - memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset, - (adev->uvd.fw->size) - offset); - size = amdgpu_bo_size(adev->uvd.vcpu_bo); - size -= le32_to_cpu(hdr->ucode_size_bytes); ptr = adev->uvd.cpu_addr; - ptr += le32_to_cpu(hdr->ucode_size_bytes); - memset(ptr, 0, size); + if (adev->uvd.saved_bo != NULL) { + memcpy(ptr, adev->uvd.saved_bo, size); + kfree(adev->uvd.saved_bo); + adev->uvd.saved_bo = NULL; + } else { + const struct common_firmware_header *hdr; + unsigned offset; + + hdr = (const struct common_firmware_header *)adev->uvd.fw->data; + offset = le32_to_cpu(hdr->ucode_array_offset_bytes); + memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset, + (adev->uvd.fw->size) - offset); + size -= le32_to_cpu(hdr->ucode_size_bytes); + ptr += le32_to_cpu(hdr->ucode_size_bytes); + memset(ptr, 0, size); + } return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 82ce7d943884..05b0353d3880 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -903,14 +903,6 @@ static int gmc_v7_0_early_init(void *handle) gmc_v7_0_set_gart_funcs(adev); gmc_v7_0_set_irq_funcs(adev); - if (adev->flags & AMD_IS_APU) { - adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; - } else { - u32 tmp = RREG32(mmMC_SEQ_MISC0); - tmp &= MC_SEQ_MISC0__MT__MASK; - adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp); - } - return 0; } @@ -927,6 +919,14 @@ static int gmc_v7_0_sw_init(void *handle) int dma_bits; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (adev->flags & AMD_IS_APU) { + adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; + } else { + u32 tmp = RREG32(mmMC_SEQ_MISC0); + tmp &= MC_SEQ_MISC0__MT__MASK; + adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp); + } + r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 29bd7b57dc91..02deb3229405 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -863,14 +863,6 @@ static int gmc_v8_0_early_init(void *handle) gmc_v8_0_set_gart_funcs(adev); gmc_v8_0_set_irq_funcs(adev); - if (adev->flags & AMD_IS_APU) { - adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; - } else { - u32 tmp = RREG32(mmMC_SEQ_MISC0); - tmp &= MC_SEQ_MISC0__MT__MASK; - adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp); - } - return 0; } @@ -881,12 +873,27 @@ static int gmc_v8_0_late_init(void *handle) return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); } +#define mmMC_SEQ_MISC0_FIJI 0xA71 + static int gmc_v8_0_sw_init(void *handle) { int r; int dma_bits; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (adev->flags & AMD_IS_APU) { + adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; + } else { + u32 tmp; + + if (adev->asic_type == CHIP_FIJI) + tmp = RREG32(mmMC_SEQ_MISC0_FIJI); + else + tmp = RREG32(mmMC_SEQ_MISC0); + tmp &= MC_SEQ_MISC0__MT__MASK; + adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp); + } + r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index c606ccb38d8b..cb463753115b 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -224,11 +224,11 @@ static int uvd_v4_2_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - r = amdgpu_uvd_suspend(adev); + r = uvd_v4_2_hw_fini(adev); if (r) return r; - r = uvd_v4_2_hw_fini(adev); + r = amdgpu_uvd_suspend(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index e3c852d9d79a..16476d80f475 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -220,11 +220,11 @@ static int uvd_v5_0_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - r = amdgpu_uvd_suspend(adev); + r = uvd_v5_0_hw_fini(adev); if (r) return r; - r = uvd_v5_0_hw_fini(adev); + r = amdgpu_uvd_suspend(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 3375e614ac67..d49379145ef2 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -214,15 +214,16 @@ static int uvd_v6_0_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + r = uvd_v6_0_hw_fini(adev); + if (r) + return r; + /* Skip this for APU for now */ if (!(adev->flags & AMD_IS_APU)) { r = amdgpu_uvd_suspend(adev); if (r) return r; } - r = uvd_v6_0_hw_fini(adev); - if (r) - return r; return r; } diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index aec38fc3834f..ab84d4947247 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -589,6 +589,8 @@ typedef int(*cgs_get_active_displays_info)( void *cgs_device, struct cgs_display_info *info); +typedef int (*cgs_notify_dpm_enabled)(void *cgs_device, bool enabled); + typedef int (*cgs_call_acpi_method)(void *cgs_device, uint32_t acpi_method, uint32_t acpi_function, @@ -644,6 +646,8 @@ struct cgs_ops { cgs_set_clockgating_state set_clockgating_state; /* display manager */ cgs_get_active_displays_info get_active_displays_info; + /* notify dpm enabled */ + cgs_notify_dpm_enabled notify_dpm_enabled; /* ACPI */ cgs_call_acpi_method call_acpi_method; /* get system info */ @@ -734,8 +738,12 @@ struct cgs_device CGS_CALL(set_powergating_state, dev, block_type, state) #define cgs_set_clockgating_state(dev, block_type, state) \ CGS_CALL(set_clockgating_state, dev, block_type, state) +#define cgs_notify_dpm_enabled(dev, enabled) \ + CGS_CALL(notify_dpm_enabled, dev, enabled) + #define cgs_get_active_displays_info(dev, info) \ CGS_CALL(get_active_displays_info, dev, info) + #define cgs_call_acpi_method(dev, acpi_method, acpi_function, pintput, poutput, output_count, input_size, output_size) \ CGS_CALL(call_acpi_method, dev, acpi_method, acpi_function, pintput, poutput, output_count, input_size, output_size) #define cgs_query_system_info(dev, sys_info) \ diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c index 6b52c78cb404..56856a2864d1 100644 --- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c +++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c @@ -137,14 +137,14 @@ static const pem_event_action *resume_event[] = { reset_display_configCounter_tasks, update_dal_configuration_tasks, vari_bright_resume_tasks, - block_adjust_power_state_tasks, setup_asic_tasks, enable_stutter_mode_tasks, /*must do this in boot state and before SMC is started */ enable_dynamic_state_management_tasks, enable_clock_power_gatings_tasks, enable_disable_bapm_tasks, initialize_thermal_controller_tasks, - reset_boot_state_tasks, + get_2d_performance_state_tasks, + set_performance_state_tasks, adjust_power_state_tasks, enable_disable_fps_tasks, notify_hw_power_source_tasks, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c index 51dedf84623c..89f31bc5b68b 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c @@ -2389,6 +2389,7 @@ static int fiji_populate_smc_vce_level(struct pp_hwmgr *hwmgr, for(count = 0; count < table->VceLevelCount; count++) { table->VceLevel[count].Frequency = mm_table->entries[count].eclk; + table->VceLevel[count].MinVoltage = 0; table->VceLevel[count].MinVoltage |= (mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT; table->VceLevel[count].MinVoltage |= @@ -2465,6 +2466,7 @@ static int fiji_populate_smc_samu_level(struct pp_hwmgr *hwmgr, for (count = 0; count < table->SamuLevelCount; count++) { /* not sure whether we need evclk or not */ + table->SamuLevel[count].MinVoltage = 0; table->SamuLevel[count].Frequency = mm_table->entries[count].samclock; table->SamuLevel[count].MinVoltage |= (mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT; @@ -2562,6 +2564,7 @@ static int fiji_populate_smc_uvd_level(struct pp_hwmgr *hwmgr, table->UvdBootLevel = 0; for (count = 0; count < table->UvdLevelCount; count++) { + table->UvdLevel[count].MinVoltage = 0; table->UvdLevel[count].VclkFrequency = mm_table->entries[count].vclk; table->UvdLevel[count].DclkFrequency = mm_table->entries[count].dclk; table->UvdLevel[count].MinVoltage |= (mm_table->entries[count].vddc * @@ -2900,6 +2903,8 @@ static int fiji_init_smc_table(struct pp_hwmgr *hwmgr) if(FIJI_VOLTAGE_CONTROL_NONE != data->voltage_control) fiji_populate_smc_voltage_tables(hwmgr, table); + table->SystemFlags = 0; + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_AutomaticDCTransition)) table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; @@ -2997,6 +3002,7 @@ static int fiji_init_smc_table(struct pp_hwmgr *hwmgr) table->MemoryThermThrottleEnable = 1; table->PCIeBootLinkLevel = 0; /* 0:Gen1 1:Gen2 2:Gen3*/ table->PCIeGenInterval = 1; + table->VRConfig = 0; result = fiji_populate_vr_config(hwmgr, table); PP_ASSERT_WITH_CODE(0 == result, @@ -5195,6 +5201,67 @@ static int fiji_print_clock_levels(struct pp_hwmgr *hwmgr, return size; } +static inline bool fiji_are_power_levels_equal(const struct fiji_performance_level *pl1, + const struct fiji_performance_level *pl2) +{ + return ((pl1->memory_clock == pl2->memory_clock) && + (pl1->engine_clock == pl2->engine_clock) && + (pl1->pcie_gen == pl2->pcie_gen) && + (pl1->pcie_lane == pl2->pcie_lane)); +} + +int fiji_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1, const struct pp_hw_power_state *pstate2, bool *equal) +{ + const struct fiji_power_state *psa = cast_const_phw_fiji_power_state(pstate1); + const struct fiji_power_state *psb = cast_const_phw_fiji_power_state(pstate2); + int i; + + if (equal == NULL || psa == NULL || psb == NULL) + return -EINVAL; + + /* If the two states don't even have the same number of performance levels they cannot be the same state. */ + if (psa->performance_level_count != psb->performance_level_count) { + *equal = false; + return 0; + } + + for (i = 0; i < psa->performance_level_count; i++) { + if (!fiji_are_power_levels_equal(&(psa->performance_levels[i]), &(psb->performance_levels[i]))) { + /* If we have found even one performance level pair that is different the states are different. */ + *equal = false; + return 0; + } + } + + /* If all performance levels are the same try to use the UVD clocks to break the tie.*/ + *equal = ((psa->uvd_clks.vclk == psb->uvd_clks.vclk) && (psa->uvd_clks.dclk == psb->uvd_clks.dclk)); + *equal &= ((psa->vce_clks.evclk == psb->vce_clks.evclk) && (psa->vce_clks.ecclk == psb->vce_clks.ecclk)); + *equal &= (psa->sclk_threshold == psb->sclk_threshold); + *equal &= (psa->acp_clk == psb->acp_clk); + + return 0; +} + +bool fiji_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + bool is_update_required = false; + struct cgs_display_info info = {0,0,NULL}; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (data->display_timing.num_existing_displays != info.display_count) + is_update_required = true; +/* TO DO NEED TO GET DEEP SLEEP CLOCK FROM DAL + if (phm_cap_enabled(hwmgr->hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) { + cgs_get_min_clock_settings(hwmgr->device, &min_clocks); + if(min_clocks.engineClockInSR != data->display_timing.minClockInSR) + is_update_required = true; +*/ + return is_update_required; +} + + static const struct pp_hwmgr_func fiji_hwmgr_funcs = { .backend_init = &fiji_hwmgr_backend_init, .backend_fini = &tonga_hwmgr_backend_fini, @@ -5230,6 +5297,8 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = { .register_internal_thermal_interrupt = fiji_register_internal_thermal_interrupt, .set_fan_control_mode = fiji_set_fan_control_mode, .get_fan_control_mode = fiji_get_fan_control_mode, + .check_states_equal = fiji_check_states_equal, + .check_smc_update_required_for_display_configuration = fiji_check_smc_update_required_for_display_configuration, .get_pp_table = fiji_get_pp_table, .set_pp_table = fiji_set_pp_table, .force_clock_level = fiji_force_clock_level, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c index be31bed2538a..fa208ada6892 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c @@ -58,6 +58,9 @@ void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr) phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VpuRecoveryInProgress); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDDPM); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEDPM); + if (acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST) && acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION)) phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest); @@ -130,18 +133,25 @@ int phm_set_power_state(struct pp_hwmgr *hwmgr, int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr) { + int ret = 1; + bool enabled; PHM_FUNC_CHECK(hwmgr); if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_TablelessHardwareInterface)) { if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable) - return hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr); + ret = hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr); } else { - return phm_dispatch_table(hwmgr, + ret = phm_dispatch_table(hwmgr, &(hwmgr->enable_dynamic_state_management), NULL, NULL); } - return 0; + + enabled = ret == 0 ? true : false; + + cgs_notify_dpm_enabled(hwmgr->device, enabled); + + return ret; } int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level) diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 56b829f97699..3ac1ae4d8caf 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -57,14 +57,13 @@ static int hdlcd_load(struct drm_device *drm, unsigned long flags) DRM_ERROR("failed to map control registers area\n"); ret = PTR_ERR(hdlcd->mmio); hdlcd->mmio = NULL; - goto fail; + return ret; } version = hdlcd_read(hdlcd, HDLCD_REG_VERSION); if ((version & HDLCD_PRODUCT_MASK) != HDLCD_PRODUCT_ID) { DRM_ERROR("unknown product id: 0x%x\n", version); - ret = -EINVAL; - goto fail; + return -EINVAL; } DRM_INFO("found ARM HDLCD version r%dp%d\n", (version & HDLCD_VERSION_MAJOR_MASK) >> 8, @@ -73,7 +72,7 @@ static int hdlcd_load(struct drm_device *drm, unsigned long flags) /* Get the optional framebuffer memory resource */ ret = of_reserved_mem_device_init(drm->dev); if (ret && ret != -ENODEV) - goto fail; + return ret; ret = dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32)); if (ret) @@ -101,8 +100,6 @@ irq_fail: drm_crtc_cleanup(&hdlcd->crtc); setup_fail: of_reserved_mem_device_release(drm->dev); -fail: - devm_clk_put(drm->dev, hdlcd->clk); return ret; } @@ -412,7 +409,6 @@ err_unload: pm_runtime_put_sync(drm->dev); pm_runtime_disable(drm->dev); of_reserved_mem_device_release(drm->dev); - devm_clk_put(dev, hdlcd->clk); err_free: drm_dev_unref(drm); @@ -436,10 +432,6 @@ static void hdlcd_drm_unbind(struct device *dev) pm_runtime_put_sync(drm->dev); pm_runtime_disable(drm->dev); of_reserved_mem_device_release(drm->dev); - if (!IS_ERR(hdlcd->clk)) { - devm_clk_put(drm->dev, hdlcd->clk); - hdlcd->clk = NULL; - } drm_mode_config_cleanup(drm); drm_dev_unregister(drm); drm_dev_unref(drm); diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c index 2a95d10e9d92..a24631fdf4ad 100644 --- a/drivers/gpu/drm/imx/dw_hdmi-imx.c +++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c @@ -225,8 +225,6 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master, if (!iores) return -ENXIO; - platform_set_drvdata(pdev, hdmi); - encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); /* * If we failed to find the CRTC(s) which this encoder is @@ -245,7 +243,16 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master, drm_encoder_init(drm, encoder, &dw_hdmi_imx_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); - return dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data); + ret = dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data); + + /* + * If dw_hdmi_bind() fails we'll never call dw_hdmi_unbind(), + * which would have called the encoder cleanup. Do it manually. + */ + if (ret) + drm_encoder_cleanup(encoder); + + return ret; } static void dw_hdmi_imx_unbind(struct device *dev, struct device *master, diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 9876e0f0c3e1..e26dcdec2aba 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -326,7 +326,6 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, { struct imx_drm_device *imxdrm = drm->dev_private; struct imx_drm_crtc *imx_drm_crtc; - int ret; /* * The vblank arrays are dimensioned by MAX_CRTC - we can't @@ -351,10 +350,6 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, *new_crtc = imx_drm_crtc; - ret = drm_mode_crtc_set_gamma_size(imx_drm_crtc->crtc, 256); - if (ret) - goto err_register; - drm_crtc_helper_add(crtc, imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs); @@ -362,11 +357,6 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs, NULL); return 0; - -err_register: - imxdrm->crtc[--imxdrm->pipes] = NULL; - kfree(imx_drm_crtc); - return ret; } EXPORT_SYMBOL_GPL(imx_drm_add_crtc); diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 588827844f30..681ec6eb77d9 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -72,22 +72,101 @@ static inline int calc_bandwidth(int width, int height, unsigned int vref) int ipu_plane_set_base(struct ipu_plane *ipu_plane, struct drm_framebuffer *fb, int x, int y) { - struct drm_gem_cma_object *cma_obj; - unsigned long eba; - int active; - - cma_obj = drm_fb_cma_get_gem_obj(fb, 0); - if (!cma_obj) { - DRM_DEBUG_KMS("entry is null.\n"); - return -EFAULT; + struct drm_gem_cma_object *cma_obj[3]; + unsigned long eba, ubo, vbo; + int active, i; + + for (i = 0; i < drm_format_num_planes(fb->pixel_format); i++) { + cma_obj[i] = drm_fb_cma_get_gem_obj(fb, i); + if (!cma_obj[i]) { + DRM_DEBUG_KMS("plane %d entry is null.\n", i); + return -EFAULT; + } } - dev_dbg(ipu_plane->base.dev->dev, "phys = %pad, x = %d, y = %d", - &cma_obj->paddr, x, y); - - eba = cma_obj->paddr + fb->offsets[0] + + eba = cma_obj[0]->paddr + fb->offsets[0] + fb->pitches[0] * y + (fb->bits_per_pixel >> 3) * x; + if (eba & 0x7) { + DRM_DEBUG_KMS("base address must be a multiple of 8.\n"); + return -EINVAL; + } + + if (fb->pitches[0] < 1 || fb->pitches[0] > 16384) { + DRM_DEBUG_KMS("pitches out of range.\n"); + return -EINVAL; + } + + if (ipu_plane->enabled && fb->pitches[0] != ipu_plane->stride[0]) { + DRM_DEBUG_KMS("pitches must not change while plane is enabled.\n"); + return -EINVAL; + } + + ipu_plane->stride[0] = fb->pitches[0]; + + switch (fb->pixel_format) { + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + /* + * Multiplanar formats have to meet the following restrictions: + * - The (up to) three plane addresses are EBA, EBA+UBO, EBA+VBO + * - EBA, UBO and VBO are a multiple of 8 + * - UBO and VBO are unsigned and not larger than 0xfffff8 + * - Only EBA may be changed while scanout is active + * - The strides of U and V planes must be identical. + */ + ubo = cma_obj[1]->paddr + fb->offsets[1] + + fb->pitches[1] * y / 2 + x / 2 - eba; + vbo = cma_obj[2]->paddr + fb->offsets[2] + + fb->pitches[2] * y / 2 + x / 2 - eba; + + if ((ubo & 0x7) || (vbo & 0x7)) { + DRM_DEBUG_KMS("U/V buffer offsets must be a multiple of 8.\n"); + return -EINVAL; + } + + if ((ubo > 0xfffff8) || (vbo > 0xfffff8)) { + DRM_DEBUG_KMS("U/V buffer offsets must be positive and not larger than 0xfffff8.\n"); + return -EINVAL; + } + + if (ipu_plane->enabled && ((ipu_plane->u_offset != ubo) || + (ipu_plane->v_offset != vbo))) { + DRM_DEBUG_KMS("U/V buffer offsets must not change while plane is enabled.\n"); + return -EINVAL; + } + + if (fb->pitches[1] != fb->pitches[2]) { + DRM_DEBUG_KMS("U/V pitches must be identical.\n"); + return -EINVAL; + } + + if (fb->pitches[1] < 1 || fb->pitches[1] > 16384) { + DRM_DEBUG_KMS("U/V pitches out of range.\n"); + return -EINVAL; + } + + if (ipu_plane->enabled && + (ipu_plane->stride[1] != fb->pitches[1])) { + DRM_DEBUG_KMS("U/V pitches must not change while plane is enabled.\n"); + return -EINVAL; + } + + ipu_plane->u_offset = ubo; + ipu_plane->v_offset = vbo; + ipu_plane->stride[1] = fb->pitches[1]; + + dev_dbg(ipu_plane->base.dev->dev, + "phys = %pad %pad %pad, x = %d, y = %d", + &cma_obj[0]->paddr, &cma_obj[1]->paddr, + &cma_obj[2]->paddr, x, y); + break; + default: + dev_dbg(ipu_plane->base.dev->dev, "phys = %pad, x = %d, y = %d", + &cma_obj[0]->paddr, x, y); + break; + } + if (ipu_plane->enabled) { active = ipu_idmac_get_current_buffer(ipu_plane->ipu_ch); ipu_cpmem_set_buffer(ipu_plane->ipu_ch, !active, eba); @@ -201,12 +280,6 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, } } - ret = ipu_dmfc_init_channel(ipu_plane->dmfc, crtc_w); - if (ret) { - dev_err(dev, "initializing dmfc channel failed with %d\n", ret); - return ret; - } - ret = ipu_dmfc_alloc_bandwidth(ipu_plane->dmfc, calc_bandwidth(crtc_w, crtc_h, calc_vref(mode)), 64); @@ -215,6 +288,8 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, return ret; } + ipu_dmfc_config_wait4eot(ipu_plane->dmfc, crtc_w); + ipu_cpmem_zero(ipu_plane->ipu_ch); ipu_cpmem_set_resolution(ipu_plane->ipu_ch, src_w, src_h); ret = ipu_cpmem_set_fmt(ipu_plane->ipu_ch, fb->pixel_format); @@ -233,6 +308,18 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, if (interlaced) ipu_cpmem_interlaced_scan(ipu_plane->ipu_ch, fb->pitches[0]); + if (fb->pixel_format == DRM_FORMAT_YUV420) { + ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch, + ipu_plane->stride[1], + ipu_plane->u_offset, + ipu_plane->v_offset); + } else if (fb->pixel_format == DRM_FORMAT_YVU420) { + ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch, + ipu_plane->stride[1], + ipu_plane->v_offset, + ipu_plane->u_offset); + } + ipu_plane->w = src_w; ipu_plane->h = src_h; diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h index 3a443b413c60..4448fd4ad4eb 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.h +++ b/drivers/gpu/drm/imx/ipuv3-plane.h @@ -29,6 +29,10 @@ struct ipu_plane { int w; int h; + unsigned int u_offset; + unsigned int v_offset; + unsigned int stride[2]; + bool enabled; }; diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h index 16641cec18a2..b5370cb56e3c 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h @@ -11,6 +11,7 @@ struct nvkm_device_tegra { struct reset_control *rst; struct clk *clk; + struct clk *clk_ref; struct clk *clk_pwr; struct regulator *vdd; @@ -36,6 +37,10 @@ struct nvkm_device_tegra_func { * bypassed). A value of 0 means an IOMMU is never used. */ u8 iommu_bit; + /* + * Whether the chip requires a reference clock + */ + bool require_ref_clk; }; int nvkm_device_tegra_new(const struct nvkm_device_tegra_func *, diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c index 2dfe58af12e4..4c4cc2260257 100644 --- a/drivers/gpu/drm/nouveau/nouveau_platform.c +++ b/drivers/gpu/drm/nouveau/nouveau_platform.c @@ -55,6 +55,11 @@ static const struct nvkm_device_tegra_func gk20a_platform_data = { .iommu_bit = 34, }; +static const struct nvkm_device_tegra_func gm20b_platform_data = { + .iommu_bit = 34, + .require_ref_clk = true, +}; + static const struct of_device_id nouveau_platform_match[] = { { .compatible = "nvidia,gk20a", @@ -62,7 +67,7 @@ static const struct of_device_id nouveau_platform_match[] = { }, { .compatible = "nvidia,gm20b", - .data = &gk20a_platform_data, + .data = &gm20b_platform_data, }, { } }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 9afa5f3e3c1c..ec12efb4689a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -35,6 +35,11 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) ret = clk_prepare_enable(tdev->clk); if (ret) goto err_clk; + if (tdev->clk_ref) { + ret = clk_prepare_enable(tdev->clk_ref); + if (ret) + goto err_clk_ref; + } ret = clk_prepare_enable(tdev->clk_pwr); if (ret) goto err_clk_pwr; @@ -57,6 +62,9 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) err_clamp: clk_disable_unprepare(tdev->clk_pwr); err_clk_pwr: + if (tdev->clk_ref) + clk_disable_unprepare(tdev->clk_ref); +err_clk_ref: clk_disable_unprepare(tdev->clk); err_clk: regulator_disable(tdev->vdd); @@ -71,6 +79,8 @@ nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev) udelay(10); clk_disable_unprepare(tdev->clk_pwr); + if (tdev->clk_ref) + clk_disable_unprepare(tdev->clk_ref); clk_disable_unprepare(tdev->clk); udelay(10); @@ -274,6 +284,13 @@ nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func, goto free; } + if (func->require_ref_clk) + tdev->clk_ref = devm_clk_get(&pdev->dev, "ref"); + if (IS_ERR(tdev->clk_ref)) { + ret = PTR_ERR(tdev->clk_ref); + goto free; + } + tdev->clk_pwr = devm_clk_get(&pdev->dev, "pwr"); if (IS_ERR(tdev->clk_pwr)) { ret = PTR_ERR(tdev->clk_pwr); diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index cf61e0856f4a..b80b08f71cb4 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -275,13 +275,15 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); atombios_blank_crtc(crtc, ATOM_DISABLE); - drm_vblank_on(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_on(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - drm_vblank_off(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_off(dev, radeon_crtc->crtc_id); if (radeon_crtc->enabled) atombios_blank_crtc(crtc, ATOM_ENABLE); if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 979f3bf65f2c..1e9304d1c88f 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -291,6 +291,8 @@ int radeon_irq_kms_init(struct radeon_device *rdev) if (r) { return r; } + rdev->ddev->vblank_disable_allowed = true; + /* enable msi */ rdev->msi_enabled = 0; diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 24152dfef199..478d4099b0d0 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -331,13 +331,15 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) RADEON_CRTC_DISP_REQ_EN_B)); WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl)); } - drm_vblank_on(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_on(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - drm_vblank_off(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_off(dev, radeon_crtc->crtc_id); if (radeon_crtc->crtc_id) WREG32_P(RADEON_CRTC2_GEN_CNTL, mask, ~(RADEON_CRTC2_EN | mask)); else { diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c index 883a314cd83a..6494a4d28171 100644 --- a/drivers/gpu/ipu-v3/ipu-cpmem.c +++ b/drivers/gpu/ipu-v3/ipu-cpmem.c @@ -395,60 +395,48 @@ void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format) EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_interleaved); void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch, - u32 pixel_format, int stride, - int u_offset, int v_offset) + unsigned int uv_stride, + unsigned int u_offset, unsigned int v_offset) { - switch (pixel_format) { - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YUV422P: - ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, (stride / 2) - 1); - ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8); - ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_offset / 8); - break; - case V4L2_PIX_FMT_YVU420: - ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, (stride / 2) - 1); - ipu_ch_param_write_field(ch, IPU_FIELD_UBO, v_offset / 8); - ipu_ch_param_write_field(ch, IPU_FIELD_VBO, u_offset / 8); - break; - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV16: - ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, stride - 1); - ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8); - ipu_ch_param_write_field(ch, IPU_FIELD_VBO, u_offset / 8); - break; - } + ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, uv_stride - 1); + ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8); + ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_offset / 8); } EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_planar_full); void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch, u32 pixel_format, int stride, int height) { - int u_offset, v_offset; + int fourcc, u_offset, v_offset; int uv_stride = 0; - switch (pixel_format) { - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: + fourcc = v4l2_pix_fmt_to_drm_fourcc(pixel_format); + switch (fourcc) { + case DRM_FORMAT_YUV420: uv_stride = stride / 2; u_offset = stride * height; v_offset = u_offset + (uv_stride * height / 2); - ipu_cpmem_set_yuv_planar_full(ch, pixel_format, stride, - u_offset, v_offset); break; - case V4L2_PIX_FMT_YUV422P: + case DRM_FORMAT_YVU420: + uv_stride = stride / 2; + v_offset = stride * height; + u_offset = v_offset + (uv_stride * height / 2); + break; + case DRM_FORMAT_YUV422: uv_stride = stride / 2; u_offset = stride * height; v_offset = u_offset + (uv_stride * height); - ipu_cpmem_set_yuv_planar_full(ch, pixel_format, stride, - u_offset, v_offset); break; - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV16: + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV16: + uv_stride = stride; u_offset = stride * height; - ipu_cpmem_set_yuv_planar_full(ch, pixel_format, stride, - u_offset, 0); + v_offset = 0; break; + default: + return; } + ipu_cpmem_set_yuv_planar_full(ch, uv_stride, u_offset, v_offset); } EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_planar); @@ -684,17 +672,25 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) switch (pix->pixelformat) { case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: offset = Y_OFFSET(pix, image->rect.left, image->rect.top); u_offset = U_OFFSET(pix, image->rect.left, image->rect.top) - offset; v_offset = V_OFFSET(pix, image->rect.left, image->rect.top) - offset; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2, u_offset, v_offset); break; + case V4L2_PIX_FMT_YVU420: + offset = Y_OFFSET(pix, image->rect.left, image->rect.top); + u_offset = U_OFFSET(pix, image->rect.left, + image->rect.top) - offset; + v_offset = V_OFFSET(pix, image->rect.left, + image->rect.top) - offset; + + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2, + v_offset, u_offset); + break; case V4L2_PIX_FMT_YUV422P: offset = Y_OFFSET(pix, image->rect.left, image->rect.top); u_offset = U2_OFFSET(pix, image->rect.left, @@ -702,8 +698,7 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) v_offset = V2_OFFSET(pix, image->rect.left, image->rect.top) - offset; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2, u_offset, v_offset); break; case V4L2_PIX_FMT_NV12: @@ -712,8 +707,7 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) image->rect.top) - offset; v_offset = 0; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline, u_offset, v_offset); break; case V4L2_PIX_FMT_NV16: @@ -722,8 +716,7 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) image->rect.top) - offset; v_offset = 0; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline, u_offset, v_offset); break; case V4L2_PIX_FMT_UYVY: diff --git a/drivers/gpu/ipu-v3/ipu-dmfc.c b/drivers/gpu/ipu-v3/ipu-dmfc.c index 042c3958e2a0..837b1ec22800 100644 --- a/drivers/gpu/ipu-v3/ipu-dmfc.c +++ b/drivers/gpu/ipu-v3/ipu-dmfc.c @@ -350,11 +350,13 @@ out: } EXPORT_SYMBOL_GPL(ipu_dmfc_alloc_bandwidth); -int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width) +void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width) { struct ipu_dmfc_priv *priv = dmfc->priv; u32 dmfc_gen1; + mutex_lock(&priv->mutex); + dmfc_gen1 = readl(priv->base + DMFC_GENERAL1); if ((dmfc->slots * 64 * 4) / width > dmfc->data->max_fifo_lines) @@ -364,9 +366,9 @@ int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width) writel(dmfc_gen1, priv->base + DMFC_GENERAL1); - return 0; + mutex_unlock(&priv->mutex); } -EXPORT_SYMBOL_GPL(ipu_dmfc_init_channel); +EXPORT_SYMBOL_GPL(ipu_dmfc_config_wait4eot); struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipu_channel) { diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index bdb8cc89cacc..4f9c5c6deaed 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1979,6 +1979,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 5c0e43ed5c53..c6eaff5f8845 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -676,6 +676,7 @@ #define USB_DEVICE_ID_SIDEWINDER_GV 0x003b #define USB_DEVICE_ID_MS_OFFICE_KB 0x0048 #define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d +#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K 0x00b4 #define USB_DEVICE_ID_MS_NE4K 0x00db #define USB_DEVICE_ID_MS_NE4K_JP 0x00dc #define USB_DEVICE_ID_MS_LK6K 0x00f9 @@ -683,6 +684,8 @@ #define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 #define USB_DEVICE_ID_MS_NE7K 0x071d #define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730 +#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1 0x0732 +#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_600 0x0750 #define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c #define USB_DEVICE_ID_MS_COMFORT_KEYBOARD 0x00e3 #define USB_DEVICE_ID_MS_SURFACE_PRO_2 0x0799 diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index 0125e356bd8d..1ac4ff4d57a6 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -184,21 +184,31 @@ static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, unsigned char byte2, unsigned char byte3) { int ret; - unsigned char buf[] = {0x18, byte2, byte3}; + unsigned char *buf; + + buf = kzalloc(3, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = 0x18; + buf[1] = byte2; + buf[2] = byte3; switch (hdev->product) { case USB_DEVICE_ID_LENOVO_CUSBKBD: - ret = hid_hw_raw_request(hdev, 0x13, buf, sizeof(buf), + ret = hid_hw_raw_request(hdev, 0x13, buf, 3, HID_FEATURE_REPORT, HID_REQ_SET_REPORT); break; case USB_DEVICE_ID_LENOVO_CBTKBD: - ret = hid_hw_output_report(hdev, buf, sizeof(buf)); + ret = hid_hw_output_report(hdev, buf, 3); break; default: ret = -EINVAL; break; } + kfree(buf); + return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */ } diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 75cd3bc59c54..e924d555536c 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -272,6 +272,12 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_PRESENTER }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K), .driver_data = MS_ERGONOMY | MS_RDESC_3K }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1), + .driver_data = MS_ERGONOMY }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), .driver_data = MS_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 25d3c4330bf6..c741f5e50a66 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1169,6 +1169,7 @@ static void mt_release_contacts(struct hid_device *hid) MT_TOOL_FINGER, false); } + input_mt_sync_frame(input_dev); input_sync(input_dev); } } diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c index 4390eee2ce84..c830ed39348f 100644 --- a/drivers/hid/hid-wiimote-modules.c +++ b/drivers/hid/hid-wiimote-modules.c @@ -2049,9 +2049,11 @@ static void wiimod_mp_in_mp(struct wiimote_data *wdata, const __u8 *ext) * -----+------------------------------+-----+-----+ * The single bits Yaw, Roll, Pitch in the lower right corner specify * whether the wiimote is rotating fast (0) or slow (1). Speed for slow - * roation is 440 deg/s and for fast rotation 2000 deg/s. To get a - * linear scale we multiply by 2000/440 = ~4.5454 which is 18 for fast - * and 9 for slow. + * roation is 8192/440 units / deg/s and for fast rotation 8192/2000 + * units / deg/s. To get a linear scale for fast rotation we multiply + * by 2000/440 = ~4.5454 and scale both fast and slow by 9 to match the + * previous scale reported by this driver. + * This leaves a linear scale with 8192*9/440 (~167.564) units / deg/s. * If the wiimote is not rotating the sensor reports 2^13 = 8192. * Ext specifies whether an extension is connected to the motionp. * which is parsed by wiimote-core. @@ -2070,15 +2072,15 @@ static void wiimod_mp_in_mp(struct wiimote_data *wdata, const __u8 *ext) z -= 8192; if (!(ext[3] & 0x02)) - x *= 18; + x = (x * 2000 * 9) / 440; else x *= 9; if (!(ext[4] & 0x02)) - y *= 18; + y = (y * 2000 * 9) / 440; else y *= 9; if (!(ext[3] & 0x01)) - z *= 18; + z = (z * 2000 * 9) / 440; else z *= 9; diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index ad71160b9ea4..ae83af649a60 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -951,14 +951,6 @@ static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count) return ret; } -static void usbhid_restart_queues(struct usbhid_device *usbhid) -{ - if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)) - usbhid_restart_out_queue(usbhid); - if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) - usbhid_restart_ctrl_queue(usbhid); -} - static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; @@ -1404,6 +1396,37 @@ static void hid_cease_io(struct usbhid_device *usbhid) usb_kill_urb(usbhid->urbout); } +static void hid_restart_io(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + int clear_halt = test_bit(HID_CLEAR_HALT, &usbhid->iofl); + int reset_pending = test_bit(HID_RESET_PENDING, &usbhid->iofl); + + spin_lock_irq(&usbhid->lock); + clear_bit(HID_SUSPENDED, &usbhid->iofl); + usbhid_mark_busy(usbhid); + + if (clear_halt || reset_pending) + schedule_work(&usbhid->reset_work); + usbhid->retry_delay = 0; + spin_unlock_irq(&usbhid->lock); + + if (reset_pending || !test_bit(HID_STARTED, &usbhid->iofl)) + return; + + if (!clear_halt) { + if (hid_start_in(hid) < 0) + hid_io_error(hid); + } + + spin_lock_irq(&usbhid->lock); + if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)) + usbhid_restart_out_queue(usbhid); + if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) + usbhid_restart_ctrl_queue(usbhid); + spin_unlock_irq(&usbhid->lock); +} + /* Treat USB reset pretty much the same as suspend/resume */ static int hid_pre_reset(struct usb_interface *intf) { @@ -1453,14 +1476,14 @@ static int hid_post_reset(struct usb_interface *intf) return 1; } + /* No need to do another reset or clear a halted endpoint */ spin_lock_irq(&usbhid->lock); clear_bit(HID_RESET_PENDING, &usbhid->iofl); + clear_bit(HID_CLEAR_HALT, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); - status = hid_start_in(hid); - if (status < 0) - hid_io_error(hid); - usbhid_restart_queues(usbhid); + + hid_restart_io(hid); return 0; } @@ -1483,25 +1506,9 @@ void usbhid_put_power(struct hid_device *hid) #ifdef CONFIG_PM static int hid_resume_common(struct hid_device *hid, bool driver_suspended) { - struct usbhid_device *usbhid = hid->driver_data; - int status; - - spin_lock_irq(&usbhid->lock); - clear_bit(HID_SUSPENDED, &usbhid->iofl); - usbhid_mark_busy(usbhid); - - if (test_bit(HID_CLEAR_HALT, &usbhid->iofl) || - test_bit(HID_RESET_PENDING, &usbhid->iofl)) - schedule_work(&usbhid->reset_work); - usbhid->retry_delay = 0; - - usbhid_restart_queues(usbhid); - spin_unlock_irq(&usbhid->lock); - - status = hid_start_in(hid); - if (status < 0) - hid_io_error(hid); + int status = 0; + hid_restart_io(hid); if (driver_suspended && hid->driver && hid->driver->resume) status = hid->driver->resume(hid); return status; @@ -1570,12 +1577,8 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message) static int hid_resume(struct usb_interface *intf) { struct hid_device *hid = usb_get_intfdata (intf); - struct usbhid_device *usbhid = hid->driver_data; int status; - if (!test_bit(HID_STARTED, &usbhid->iofl)) - return 0; - status = hid_resume_common(hid, true); dev_dbg(&intf->dev, "resume status %d\n", status); return 0; @@ -1584,10 +1587,8 @@ static int hid_resume(struct usb_interface *intf) static int hid_reset_resume(struct usb_interface *intf) { struct hid_device *hid = usb_get_intfdata(intf); - struct usbhid_device *usbhid = hid->driver_data; int status; - clear_bit(HID_SUSPENDED, &usbhid->iofl); status = hid_post_reset(intf); if (status >= 0 && hid->driver && hid->driver->reset_resume) { int ret = hid->driver->reset_resume(hid); diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 68a560957871..ccf1883318c3 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -152,6 +152,25 @@ static void wacom_feature_mapping(struct hid_device *hdev, hid_data->inputmode = field->report->id; hid_data->inputmode_index = usage->usage_index; break; + + case HID_UP_DIGITIZER: + if (field->report->id == 0x0B && + (field->application == WACOM_G9_DIGITIZER || + field->application == WACOM_G11_DIGITIZER)) { + wacom->wacom_wac.mode_report = field->report->id; + wacom->wacom_wac.mode_value = 0; + } + break; + + case WACOM_G9_PAGE: + case WACOM_G11_PAGE: + if (field->report->id == 0x03 && + (field->application == WACOM_G9_TOUCHSCREEN || + field->application == WACOM_G11_TOUCHSCREEN)) { + wacom->wacom_wac.mode_report = field->report->id; + wacom->wacom_wac.mode_value = 0; + } + break; } } @@ -322,26 +341,41 @@ static int wacom_hid_set_device_mode(struct hid_device *hdev) return 0; } -static int wacom_set_device_mode(struct hid_device *hdev, int report_id, - int length, int mode) +static int wacom_set_device_mode(struct hid_device *hdev, + struct wacom_wac *wacom_wac) { - unsigned char *rep_data; + u8 *rep_data; + struct hid_report *r; + struct hid_report_enum *re; + int length; int error = -ENOMEM, limit = 0; - rep_data = kzalloc(length, GFP_KERNEL); + if (wacom_wac->mode_report < 0) + return 0; + + re = &(hdev->report_enum[HID_FEATURE_REPORT]); + r = re->report_id_hash[wacom_wac->mode_report]; + if (!r) + return -EINVAL; + + rep_data = hid_alloc_report_buf(r, GFP_KERNEL); if (!rep_data) - return error; + return -ENOMEM; + + length = hid_report_len(r); do { - rep_data[0] = report_id; - rep_data[1] = mode; + rep_data[0] = wacom_wac->mode_report; + rep_data[1] = wacom_wac->mode_value; error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, length, 1); if (error >= 0) error = wacom_get_report(hdev, HID_FEATURE_REPORT, rep_data, length, 1); - } while (error >= 0 && rep_data[1] != mode && limit++ < WAC_MSG_RETRIES); + } while (error >= 0 && + rep_data[1] != wacom_wac->mode_report && + limit++ < WAC_MSG_RETRIES); kfree(rep_data); @@ -411,32 +445,41 @@ static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed, static int wacom_query_tablet_data(struct hid_device *hdev, struct wacom_features *features) { + struct wacom *wacom = hid_get_drvdata(hdev); + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + if (hdev->bus == BUS_BLUETOOTH) return wacom_bt_query_tablet_data(hdev, 1, features); - if (features->type == HID_GENERIC) - return wacom_hid_set_device_mode(hdev); - - if (features->device_type & WACOM_DEVICETYPE_TOUCH) { - if (features->type > TABLETPC) { - /* MT Tablet PC touch */ - return wacom_set_device_mode(hdev, 3, 4, 4); - } - else if (features->type == WACOM_24HDT) { - return wacom_set_device_mode(hdev, 18, 3, 2); - } - else if (features->type == WACOM_27QHDT) { - return wacom_set_device_mode(hdev, 131, 3, 2); - } - else if (features->type == BAMBOO_PAD) { - return wacom_set_device_mode(hdev, 2, 2, 2); - } - } else if (features->device_type & WACOM_DEVICETYPE_PEN) { - if (features->type <= BAMBOO_PT) { - return wacom_set_device_mode(hdev, 2, 2, 2); + if (features->type != HID_GENERIC) { + if (features->device_type & WACOM_DEVICETYPE_TOUCH) { + if (features->type > TABLETPC) { + /* MT Tablet PC touch */ + wacom_wac->mode_report = 3; + wacom_wac->mode_value = 4; + } else if (features->type == WACOM_24HDT) { + wacom_wac->mode_report = 18; + wacom_wac->mode_value = 2; + } else if (features->type == WACOM_27QHDT) { + wacom_wac->mode_report = 131; + wacom_wac->mode_value = 2; + } else if (features->type == BAMBOO_PAD) { + wacom_wac->mode_report = 2; + wacom_wac->mode_value = 2; + } + } else if (features->device_type & WACOM_DEVICETYPE_PEN) { + if (features->type <= BAMBOO_PT) { + wacom_wac->mode_report = 2; + wacom_wac->mode_value = 2; + } } } + wacom_set_device_mode(hdev, wacom_wac); + + if (features->type == HID_GENERIC) + return wacom_hid_set_device_mode(hdev); + return 0; } @@ -1817,6 +1860,9 @@ static int wacom_probe(struct hid_device *hdev, goto fail_type; } + wacom_wac->hid_data.inputmode = -1; + wacom_wac->mode_report = -1; + wacom->usbdev = dev; wacom->intf = intf; mutex_init(&wacom->lock); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index bd198bbd4df0..02c4efea241c 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2426,6 +2426,17 @@ void wacom_setup_device_quirks(struct wacom *wacom) } /* + * Hack for the Bamboo One: + * the device presents a PAD/Touch interface as most Bamboos and even + * sends ghosts PAD data on it. However, later, we must disable this + * ghost interface, and we can not detect it unless we set it here + * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH. + */ + if (features->type == BAMBOO_PEN && + features->pktlen == WACOM_PKGLEN_BBTOUCH3) + features->device_type |= WACOM_DEVICETYPE_PAD; + + /* * Raw Wacom-mode pen and touch events both come from interface * 0, whose HID descriptor has an application usage of 0xFF0D * (i.e., WACOM_VENDORDEFINED_PEN). We route pen packets back diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index 25baa7f29599..e2084d914c14 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -84,6 +84,12 @@ #define WACOM_DEVICETYPE_WL_MONITOR 0x0008 #define WACOM_VENDORDEFINED_PEN 0xff0d0001 +#define WACOM_G9_PAGE 0xff090000 +#define WACOM_G9_DIGITIZER (WACOM_G9_PAGE | 0x02) +#define WACOM_G9_TOUCHSCREEN (WACOM_G9_PAGE | 0x11) +#define WACOM_G11_PAGE 0xff110000 +#define WACOM_G11_DIGITIZER (WACOM_G11_PAGE | 0x02) +#define WACOM_G11_TOUCHSCREEN (WACOM_G11_PAGE | 0x11) #define WACOM_PEN_FIELD(f) (((f)->logical == HID_DG_STYLUS) || \ ((f)->physical == HID_DG_STYLUS) || \ @@ -238,6 +244,8 @@ struct wacom_wac { int ps_connected; u8 bt_features; u8 bt_high_speed; + int mode_report; + int mode_value; struct hid_data hid_data; }; diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c index f325663c27c5..ba14a863b451 100644 --- a/drivers/i2c/busses/i2c-jz4780.c +++ b/drivers/i2c/busses/i2c-jz4780.c @@ -771,11 +771,16 @@ static int jz4780_i2c_probe(struct platform_device *pdev) ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency", &clk_freq); if (ret) { - dev_err(&pdev->dev, "clock-frequency not specified in DT"); + dev_err(&pdev->dev, "clock-frequency not specified in DT\n"); goto err; } i2c->speed = clk_freq / 1000; + if (i2c->speed == 0) { + ret = -EINVAL; + dev_err(&pdev->dev, "clock-frequency minimum is 1000\n"); + goto err; + } jz4780_i2c_set_speed(i2c); dev_info(&pdev->dev, "Bus frequency is %d KHz\n", i2c->speed); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 0f2f8484e8ec..e584d88ee337 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -525,22 +525,16 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) return 0; } - -/* uevent helps with hotplug: modprobe -q $(MODALIAS) */ static int i2c_device_uevent(struct device *dev, struct kobj_uevent_env *env) { - struct i2c_client *client = to_i2c_client(dev); + struct i2c_client *client = to_i2c_client(dev); int rc; rc = acpi_device_uevent_modalias(dev, env); if (rc != -ENODEV) return rc; - if (add_uevent_var(env, "MODALIAS=%s%s", - I2C_MODULE_PREFIX, client->name)) - return -ENOMEM; - dev_dbg(dev, "uevent\n"); - return 0; + return add_uevent_var(env, "MODALIAS=%s%s", I2C_MODULE_PREFIX, client->name); } /* i2c bus recovery routines */ diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 7748a0a5ddb9..8de073aed001 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -140,22 +140,34 @@ static int i2c_demux_change_master(struct i2c_demux_pinctrl_priv *priv, u32 new_ return i2c_demux_activate_master(priv, new_chan); } -static ssize_t cur_master_show(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t available_masters_show(struct device *dev, + struct device_attribute *attr, + char *buf) { struct i2c_demux_pinctrl_priv *priv = dev_get_drvdata(dev); int count = 0, i; for (i = 0; i < priv->num_chan && count < PAGE_SIZE; i++) - count += scnprintf(buf + count, PAGE_SIZE - count, "%c %d - %s\n", - i == priv->cur_chan ? '*' : ' ', i, - priv->chan[i].parent_np->full_name); + count += scnprintf(buf + count, PAGE_SIZE - count, "%d:%s%c", + i, priv->chan[i].parent_np->full_name, + i == priv->num_chan - 1 ? '\n' : ' '); return count; } +static DEVICE_ATTR_RO(available_masters); -static ssize_t cur_master_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t current_master_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct i2c_demux_pinctrl_priv *priv = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", priv->cur_chan); +} + +static ssize_t current_master_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_demux_pinctrl_priv *priv = dev_get_drvdata(dev); unsigned int val; @@ -172,7 +184,7 @@ static ssize_t cur_master_store(struct device *dev, struct device_attribute *att return ret < 0 ? ret : count; } -static DEVICE_ATTR_RW(cur_master); +static DEVICE_ATTR_RW(current_master); static int i2c_demux_pinctrl_probe(struct platform_device *pdev) { @@ -218,12 +230,18 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev) /* switch to first parent as active master */ i2c_demux_activate_master(priv, 0); - err = device_create_file(&pdev->dev, &dev_attr_cur_master); + err = device_create_file(&pdev->dev, &dev_attr_available_masters); if (err) goto err_rollback; + err = device_create_file(&pdev->dev, &dev_attr_current_master); + if (err) + goto err_rollback_available; + return 0; +err_rollback_available: + device_remove_file(&pdev->dev, &dev_attr_available_masters); err_rollback: for (j = 0; j < i; j++) { of_node_put(priv->chan[j].parent_np); @@ -238,7 +256,8 @@ static int i2c_demux_pinctrl_remove(struct platform_device *pdev) struct i2c_demux_pinctrl_priv *priv = platform_get_drvdata(pdev); int i; - device_remove_file(&pdev->dev, &dev_attr_cur_master); + device_remove_file(&pdev->dev, &dev_attr_current_master); + device_remove_file(&pdev->dev, &dev_attr_available_masters); i2c_demux_deactivate_master(priv); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index ba947df5a8c7..c6935de425fa 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -660,6 +660,35 @@ static struct cpuidle_state skl_cstates[] = { .enter = NULL } }; +static struct cpuidle_state skx_cstates[] = { + { + .name = "C1-SKX", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00), + .exit_latency = 2, + .target_residency = 2, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C1E-SKX", + .desc = "MWAIT 0x01", + .flags = MWAIT2flg(0x01), + .exit_latency = 10, + .target_residency = 20, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C6-SKX", + .desc = "MWAIT 0x20", + .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 133, + .target_residency = 600, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .enter = NULL } +}; + static struct cpuidle_state atom_cstates[] = { { .name = "C1E-ATM", @@ -818,8 +847,11 @@ static int cpu_hotplug_notify(struct notifier_block *n, * driver in this case */ dev = per_cpu_ptr(intel_idle_cpuidle_devices, hotcpu); - if (!dev->registered) - intel_idle_cpu_init(hotcpu); + if (dev->registered) + break; + + if (intel_idle_cpu_init(hotcpu)) + return NOTIFY_BAD; break; } @@ -904,6 +936,10 @@ static const struct idle_cpu idle_cpu_skl = { .disable_promotion_to_c1e = true, }; +static const struct idle_cpu idle_cpu_skx = { + .state_table = skx_cstates, + .disable_promotion_to_c1e = true, +}; static const struct idle_cpu idle_cpu_avn = { .state_table = avn_cstates, @@ -945,6 +981,9 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(0x56, idle_cpu_bdw), ICPU(0x4e, idle_cpu_skl), ICPU(0x5e, idle_cpu_skl), + ICPU(0x8e, idle_cpu_skl), + ICPU(0x9e, idle_cpu_skl), + ICPU(0x55, idle_cpu_skx), ICPU(0x57, idle_cpu_knl), {} }; @@ -987,22 +1026,15 @@ static int __init intel_idle_probe(void) icpu = (const struct idle_cpu *)id->driver_data; cpuidle_state_table = icpu->state_table; - if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ - lapic_timer_reliable_states = LAPIC_TIMER_ALWAYS_RELIABLE; - else - on_each_cpu(__setup_broadcast_timer, (void *)true, 1); - pr_debug(PREFIX "v" INTEL_IDLE_VERSION " model 0x%X\n", boot_cpu_data.x86_model); - pr_debug(PREFIX "lapic_timer_reliable_states 0x%x\n", - lapic_timer_reliable_states); return 0; } /* * intel_idle_cpuidle_devices_uninit() - * unregister, free cpuidle_devices + * Unregisters the cpuidle devices. */ static void intel_idle_cpuidle_devices_uninit(void) { @@ -1013,9 +1045,6 @@ static void intel_idle_cpuidle_devices_uninit(void) dev = per_cpu_ptr(intel_idle_cpuidle_devices, i); cpuidle_unregister_device(dev); } - - free_percpu(intel_idle_cpuidle_devices); - return; } /* @@ -1111,7 +1140,7 @@ static void intel_idle_state_table_update(void) * intel_idle_cpuidle_driver_init() * allocate, initialize cpuidle_states */ -static int __init intel_idle_cpuidle_driver_init(void) +static void __init intel_idle_cpuidle_driver_init(void) { int cstate; struct cpuidle_driver *drv = &intel_idle_driver; @@ -1163,18 +1192,10 @@ static int __init intel_idle_cpuidle_driver_init(void) drv->state_count += 1; } - if (icpu->auto_demotion_disable_flags) - on_each_cpu(auto_demotion_disable, NULL, 1); - if (icpu->byt_auto_demotion_disable_flag) { wrmsrl(MSR_CC6_DEMOTION_POLICY_CONFIG, 0); wrmsrl(MSR_MC6_DEMOTION_POLICY_CONFIG, 0); } - - if (icpu->disable_promotion_to_c1e) /* each-cpu is redundant */ - on_each_cpu(c1e_promotion_disable, NULL, 1); - - return 0; } @@ -1193,7 +1214,6 @@ static int intel_idle_cpu_init(int cpu) if (cpuidle_register_device(dev)) { pr_debug(PREFIX "cpuidle_register_device %d failed!\n", cpu); - intel_idle_cpuidle_devices_uninit(); return -EIO; } @@ -1218,40 +1238,51 @@ static int __init intel_idle_init(void) if (retval) return retval; + intel_idle_cpuidle_devices = alloc_percpu(struct cpuidle_device); + if (intel_idle_cpuidle_devices == NULL) + return -ENOMEM; + intel_idle_cpuidle_driver_init(); retval = cpuidle_register_driver(&intel_idle_driver); if (retval) { struct cpuidle_driver *drv = cpuidle_get_driver(); printk(KERN_DEBUG PREFIX "intel_idle yielding to %s", drv ? drv->name : "none"); + free_percpu(intel_idle_cpuidle_devices); return retval; } - intel_idle_cpuidle_devices = alloc_percpu(struct cpuidle_device); - if (intel_idle_cpuidle_devices == NULL) - return -ENOMEM; - cpu_notifier_register_begin(); for_each_online_cpu(i) { retval = intel_idle_cpu_init(i); if (retval) { + intel_idle_cpuidle_devices_uninit(); cpu_notifier_register_done(); cpuidle_unregister_driver(&intel_idle_driver); + free_percpu(intel_idle_cpuidle_devices); return retval; } } __register_cpu_notifier(&cpu_hotplug_notifier); + if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ + lapic_timer_reliable_states = LAPIC_TIMER_ALWAYS_RELIABLE; + else + on_each_cpu(__setup_broadcast_timer, (void *)true, 1); + cpu_notifier_register_done(); + pr_debug(PREFIX "lapic_timer_reliable_states 0x%x\n", + lapic_timer_reliable_states); + return 0; } static void __exit intel_idle_exit(void) { - intel_idle_cpuidle_devices_uninit(); - cpuidle_unregister_driver(&intel_idle_driver); + struct cpuidle_device *dev; + int i; cpu_notifier_register_begin(); @@ -1259,9 +1290,15 @@ static void __exit intel_idle_exit(void) on_each_cpu(__setup_broadcast_timer, (void *)false, 1); __unregister_cpu_notifier(&cpu_hotplug_notifier); + for_each_possible_cpu(i) { + dev = per_cpu_ptr(intel_idle_cpuidle_devices, i); + cpuidle_unregister_device(dev); + } + cpu_notifier_register_done(); - return; + cpuidle_unregister_driver(&intel_idle_driver); + free_percpu(intel_idle_cpuidle_devices); } module_init(intel_idle_init); diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index c73331f7782b..2072a31e813b 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -547,7 +547,7 @@ static int bmc150_accel_get_axis(struct bmc150_accel_data *data, { int ret; int axis = chan->scan_index; - unsigned int raw_val; + __le16 raw_val; mutex_lock(&data->mutex); ret = bmc150_accel_set_power_state(data, true); @@ -557,14 +557,14 @@ static int bmc150_accel_get_axis(struct bmc150_accel_data *data, } ret = regmap_bulk_read(data->regmap, BMC150_ACCEL_AXIS_TO_REG(axis), - &raw_val, 2); + &raw_val, sizeof(raw_val)); if (ret < 0) { dev_err(data->dev, "Error reading axis %d\n", axis); bmc150_accel_set_power_state(data, false); mutex_unlock(&data->mutex); return ret; } - *val = sign_extend32(raw_val >> chan->scan_type.shift, + *val = sign_extend32(le16_to_cpu(raw_val) >> chan->scan_type.shift, chan->scan_type.realbits - 1); ret = bmc150_accel_set_power_state(data, false); mutex_unlock(&data->mutex); @@ -988,6 +988,7 @@ static const struct iio_event_spec bmc150_accel_event = { .realbits = (bits), \ .storagebits = 16, \ .shift = 16 - (bits), \ + .endianness = IIO_LE, \ }, \ .event_spec = &bmc150_accel_event, \ .num_event_specs = 1 \ diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index af4aea7b20f9..82c718c515a0 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -134,6 +134,7 @@ config AT91_ADC config AT91_SAMA5D2_ADC tristate "Atmel AT91 SAMA5D2 ADC" depends on ARCH_AT91 || COMPILE_TEST + depends on HAS_IOMEM help Say yes here to build support for Atmel SAMA5D2 ADC which is available on SAMA5D2 SoC family. diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index 929508e5266c..998dc3caad4c 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -1386,7 +1386,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11644] = { .bits = 12, - .int_vref_mv = 2048, + .int_vref_mv = 4096, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1396,7 +1396,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11645] = { .bits = 12, - .int_vref_mv = 4096, + .int_vref_mv = 2048, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1406,7 +1406,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11646] = { .bits = 10, - .int_vref_mv = 2048, + .int_vref_mv = 4096, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1416,7 +1416,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11647] = { .bits = 10, - .int_vref_mv = 4096, + .int_vref_mv = 2048, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1680,6 +1680,10 @@ static const struct i2c_device_id max1363_id[] = { { "max11615", max11615 }, { "max11616", max11616 }, { "max11617", max11617 }, + { "max11644", max11644 }, + { "max11645", max11645 }, + { "max11646", max11646 }, + { "max11647", max11647 }, {} }; diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c index bbce3b09ac45..4dac567e75b4 100644 --- a/drivers/iio/gyro/bmg160_core.c +++ b/drivers/iio/gyro/bmg160_core.c @@ -452,7 +452,7 @@ static int bmg160_get_temp(struct bmg160_data *data, int *val) static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val) { int ret; - unsigned int raw_val; + __le16 raw_val; mutex_lock(&data->mutex); ret = bmg160_set_power_state(data, true); @@ -462,7 +462,7 @@ static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val) } ret = regmap_bulk_read(data->regmap, BMG160_AXIS_TO_REG(axis), &raw_val, - 2); + sizeof(raw_val)); if (ret < 0) { dev_err(data->dev, "Error reading axis %d\n", axis); bmg160_set_power_state(data, false); @@ -470,7 +470,7 @@ static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val) return ret; } - *val = sign_extend32(raw_val, 15); + *val = sign_extend32(le16_to_cpu(raw_val), 15); ret = bmg160_set_power_state(data, false); mutex_unlock(&data->mutex); if (ret < 0) @@ -733,6 +733,7 @@ static const struct iio_event_spec bmg160_event = { .sign = 's', \ .realbits = 16, \ .storagebits = 16, \ + .endianness = IIO_LE, \ }, \ .event_spec = &bmg160_event, \ .num_event_specs = 1 \ @@ -780,7 +781,7 @@ static irqreturn_t bmg160_trigger_handler(int irq, void *p) mutex_unlock(&data->mutex); goto err; } - data->buffer[i++] = ret; + data->buffer[i++] = val; } mutex_unlock(&data->mutex); diff --git a/drivers/iio/health/max30100.c b/drivers/iio/health/max30100.c index 09db89359544..90ab8a2d2846 100644 --- a/drivers/iio/health/max30100.c +++ b/drivers/iio/health/max30100.c @@ -238,12 +238,13 @@ static irqreturn_t max30100_interrupt_handler(int irq, void *private) mutex_lock(&data->lock); - while (cnt-- || (cnt = max30100_fifo_count(data) > 0)) { + while (cnt || (cnt = max30100_fifo_count(data) > 0)) { ret = max30100_read_measurement(data); if (ret) break; iio_push_to_buffers(data->indio_dev, data->buffer); + cnt--; } mutex_unlock(&data->lock); diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig index a7f557af4389..847455a2d6bb 100644 --- a/drivers/iio/imu/inv_mpu6050/Kconfig +++ b/drivers/iio/imu/inv_mpu6050/Kconfig @@ -9,9 +9,8 @@ config INV_MPU6050_IIO config INV_MPU6050_I2C tristate "Invensense MPU6050 devices (I2C)" - depends on I2C + depends on I2C_MUX select INV_MPU6050_IIO - select I2C_MUX select REGMAP_I2C help This driver supports the Invensense MPU6050 devices. diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index b976332d45d3..90462fcf5436 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -653,6 +653,7 @@ static int iio_verify_update(struct iio_dev *indio_dev, unsigned int modes; memset(config, 0, sizeof(*config)); + config->watermark = ~0; /* * If there is just one buffer and we are removing it there is nothing diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c index f6a07dc32ae4..a6af56ad10e1 100644 --- a/drivers/iio/light/apds9960.c +++ b/drivers/iio/light/apds9960.c @@ -769,7 +769,7 @@ static void apds9960_read_gesture_fifo(struct apds9960_data *data) mutex_lock(&data->lock); data->gesture_mode_running = 1; - while (cnt-- || (cnt = apds9660_fifo_is_empty(data) > 0)) { + while (cnt || (cnt = apds9660_fifo_is_empty(data) > 0)) { ret = regmap_bulk_read(data->regmap, APDS9960_REG_GFIFO_BASE, &data->buffer, 4); @@ -777,6 +777,7 @@ static void apds9960_read_gesture_fifo(struct apds9960_data *data) goto err_read; iio_push_to_buffers(data->indio_dev, data->buffer); + cnt--; } err_read: diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h index 06a4d9c35581..9daca4681922 100644 --- a/drivers/iio/magnetometer/st_magn.h +++ b/drivers/iio/magnetometer/st_magn.h @@ -44,6 +44,7 @@ static inline int st_magn_allocate_ring(struct iio_dev *indio_dev) static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev) { } +#define ST_MAGN_TRIGGER_SET_STATE NULL #endif /* CONFIG_IIO_BUFFER */ #endif /* ST_MAGN_H */ diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index 92745d755272..38f917a6c778 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -1992,7 +1992,6 @@ static int i40iw_addr_resolve_neigh(struct i40iw_device *iwdev, /** * i40iw_get_dst_ipv6 */ -#if IS_ENABLED(CONFIG_IPV6) static struct dst_entry *i40iw_get_dst_ipv6(struct sockaddr_in6 *src_addr, struct sockaddr_in6 *dst_addr) { @@ -2008,7 +2007,6 @@ static struct dst_entry *i40iw_get_dst_ipv6(struct sockaddr_in6 *src_addr, dst = ip6_route_output(&init_net, NULL, &fl6); return dst; } -#endif /** * i40iw_addr_resolve_neigh_ipv6 - resolve neighbor ipv6 address @@ -2016,7 +2014,6 @@ static struct dst_entry *i40iw_get_dst_ipv6(struct sockaddr_in6 *src_addr, * @dst_ip: remote ip address * @arpindex: if there is an arp entry */ -#if IS_ENABLED(CONFIG_IPV6) static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev, u32 *src, u32 *dest, @@ -2089,7 +2086,6 @@ static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev, dst_release(dst); return rc; } -#endif /** * i40iw_ipv4_is_loopback - check if loopback @@ -2190,13 +2186,13 @@ static struct i40iw_cm_node *i40iw_make_cm_node( cm_info->loc_addr[0], cm_info->rem_addr[0], oldarpindex); -#if IS_ENABLED(CONFIG_IPV6) - else + else if (IS_ENABLED(CONFIG_IPV6)) arpindex = i40iw_addr_resolve_neigh_ipv6(iwdev, cm_info->loc_addr, cm_info->rem_addr, oldarpindex); -#endif + else + arpindex = -EINVAL; } if (arpindex < 0) { i40iw_pr_err("cm_node arpindex\n"); diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index f16c818ad2e6..b46c25542a7c 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -776,15 +776,6 @@ void mlx5_ib_qp_disable_pagefaults(struct mlx5_ib_qp *qp); void mlx5_ib_qp_enable_pagefaults(struct mlx5_ib_qp *qp); void mlx5_ib_invalidate_range(struct ib_umem *umem, unsigned long start, unsigned long end); -int mlx5_ib_get_vf_config(struct ib_device *device, int vf, - u8 port, struct ifla_vf_info *info); -int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf, - u8 port, int state); -int mlx5_ib_get_vf_stats(struct ib_device *device, int vf, - u8 port, struct ifla_vf_stats *stats); -int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port, - u64 guid, int type); - #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ static inline void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev) { @@ -801,6 +792,15 @@ static inline void mlx5_ib_qp_enable_pagefaults(struct mlx5_ib_qp *qp) {} #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ +int mlx5_ib_get_vf_config(struct ib_device *device, int vf, + u8 port, struct ifla_vf_info *info); +int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf, + u8 port, int state); +int mlx5_ib_get_vf_stats(struct ib_device *device, int vf, + u8 port, struct ifla_vf_stats *stats); +int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port, + u64 guid, int type); + __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, int index); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 0bd3cb2f3c67..8b42401d4795 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1264,26 +1264,40 @@ free_mem: */ static struct srpt_send_ioctx *srpt_get_send_ioctx(struct srpt_rdma_ch *ch) { - struct se_session *se_sess; struct srpt_send_ioctx *ioctx; - int tag; + unsigned long flags; BUG_ON(!ch); - se_sess = ch->sess; - tag = percpu_ida_alloc(&se_sess->sess_tag_pool, TASK_RUNNING); - if (tag < 0) { - pr_err("Unable to obtain tag for srpt_send_ioctx\n"); - return NULL; + ioctx = NULL; + spin_lock_irqsave(&ch->spinlock, flags); + if (!list_empty(&ch->free_list)) { + ioctx = list_first_entry(&ch->free_list, + struct srpt_send_ioctx, free_list); + list_del(&ioctx->free_list); } - ioctx = &((struct srpt_send_ioctx *)se_sess->sess_cmd_map)[tag]; - memset(ioctx, 0, sizeof(struct srpt_send_ioctx)); - ioctx->ch = ch; + spin_unlock_irqrestore(&ch->spinlock, flags); + + if (!ioctx) + return ioctx; + + BUG_ON(ioctx->ch != ch); spin_lock_init(&ioctx->spinlock); ioctx->state = SRPT_STATE_NEW; + ioctx->n_rbuf = 0; + ioctx->rbufs = NULL; + ioctx->n_rdma = 0; + ioctx->n_rdma_wrs = 0; + ioctx->rdma_wrs = NULL; + ioctx->mapped_sg_count = 0; init_completion(&ioctx->tx_done); - - ioctx->cmd.map_tag = tag; + ioctx->queue_status_only = false; + /* + * transport_init_se_cmd() does not initialize all fields, so do it + * here. + */ + memset(&ioctx->cmd, 0, sizeof(ioctx->cmd)); + memset(&ioctx->sense_data, 0, sizeof(ioctx->sense_data)); return ioctx; } @@ -2021,7 +2035,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, struct ib_cm_rep_param *rep_param; struct srpt_rdma_ch *ch, *tmp_ch; u32 it_iu_len; - int ret = 0; + int i, ret = 0; unsigned char *p; WARN_ON_ONCE(irqs_disabled()); @@ -2143,6 +2157,12 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (!ch->ioctx_ring) goto free_ch; + INIT_LIST_HEAD(&ch->free_list); + for (i = 0; i < ch->rq_size; i++) { + ch->ioctx_ring[i]->ch = ch; + list_add_tail(&ch->ioctx_ring[i]->free_list, &ch->free_list); + } + ret = srpt_create_ch_ib(ch); if (ret) { rej->reason = cpu_to_be32( @@ -2173,8 +2193,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, p = &ch->sess_name[0]; try_again: - ch->sess = target_alloc_session(&sport->port_tpg_1, ch->rq_size, - sizeof(struct srpt_send_ioctx), + ch->sess = target_alloc_session(&sport->port_tpg_1, 0, 0, TARGET_PROT_NORMAL, p, ch, NULL); if (IS_ERR(ch->sess)) { pr_info("Rejected login because no ACL has been" @@ -2881,7 +2900,7 @@ static void srpt_release_cmd(struct se_cmd *se_cmd) struct srpt_send_ioctx *ioctx = container_of(se_cmd, struct srpt_send_ioctx, cmd); struct srpt_rdma_ch *ch = ioctx->ch; - struct se_session *se_sess = ch->sess; + unsigned long flags; WARN_ON(ioctx->state != SRPT_STATE_DONE); WARN_ON(ioctx->mapped_sg_count != 0); @@ -2892,7 +2911,9 @@ static void srpt_release_cmd(struct se_cmd *se_cmd) ioctx->n_rbuf = 0; } - percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag); + spin_lock_irqsave(&ch->spinlock, flags); + list_add(&ioctx->free_list, &ch->free_list); + spin_unlock_irqrestore(&ch->spinlock, flags); } /** diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index ca288f019315..af9b8b527340 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -179,6 +179,7 @@ struct srpt_recv_ioctx { * struct srpt_send_ioctx - SRPT send I/O context. * @ioctx: See above. * @ch: Channel pointer. + * @free_list: Node in srpt_rdma_ch.free_list. * @n_rbuf: Number of data buffers in the received SRP command. * @rbufs: Pointer to SRP data buffer array. * @single_rbuf: SRP data buffer if the command has only a single buffer. @@ -201,6 +202,7 @@ struct srpt_send_ioctx { struct srp_direct_buf *rbufs; struct srp_direct_buf single_rbuf; struct scatterlist *sg; + struct list_head free_list; spinlock_t spinlock; enum srpt_command_state state; struct se_cmd cmd; diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 72d6182666cb..58f2fe687a24 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -403,7 +403,7 @@ static int __finalise_sg(struct device *dev, struct scatterlist *sg, int nents, unsigned int s_length = sg_dma_len(s); unsigned int s_dma_len = s->length; - s->offset = s_offset; + s->offset += s_offset; s->length = s_length; sg_dma_address(s) = dma_addr + s_offset; dma_addr += s_dma_len; @@ -422,7 +422,7 @@ static void __invalidate_sg(struct scatterlist *sg, int nents) for_each_sg(sg, s, nents, i) { if (sg_dma_address(s) != DMA_ERROR_CODE) - s->offset = sg_dma_address(s); + s->offset += sg_dma_address(s); if (sg_dma_len(s)) s->length = sg_dma_len(s); sg_dma_address(s) = DMA_ERROR_CODE; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a2e1b7f14df2..e1852e845d21 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2458,7 +2458,7 @@ static struct dmar_domain *get_domain_for_dev(struct device *dev, int gaw) } /* register PCI DMA alias device */ - if (req_id != dma_alias && dev_is_pci(dev)) { + if (dev_is_pci(dev) && req_id != dma_alias) { tmp = dmar_insert_one_dev_info(iommu, PCI_BUS_NUM(dma_alias), dma_alias & 0xff, NULL, domain); diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index bfd4f7c3b1d8..b9df1411c894 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -848,7 +848,8 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev) if (!group->default_domain) { group->default_domain = __iommu_domain_alloc(dev->bus, IOMMU_DOMAIN_DMA); - group->domain = group->default_domain; + if (!group->domain) + group->domain = group->default_domain; } ret = iommu_group_add_device(group, dev); diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index a6f593a0a29e..5710a06c3049 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -315,8 +315,8 @@ static bool rk_iommu_is_stall_active(struct rk_iommu *iommu) int i; for (i = 0; i < iommu->num_mmu; i++) - active &= rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & - RK_MMU_STATUS_STALL_ACTIVE; + active &= !!(rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & + RK_MMU_STATUS_STALL_ACTIVE); return active; } @@ -327,8 +327,8 @@ static bool rk_iommu_is_paging_enabled(struct rk_iommu *iommu) int i; for (i = 0; i < iommu->num_mmu; i++) - enable &= rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & - RK_MMU_STATUS_PAGING_ENABLED; + enable &= !!(rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & + RK_MMU_STATUS_PAGING_ENABLED); return enable; } diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c index 0ddf638d60f3..043828d541f7 100644 --- a/drivers/mailbox/pcc.c +++ b/drivers/mailbox/pcc.c @@ -361,8 +361,6 @@ static int __init acpi_pcc_probe(void) struct acpi_generic_address *db_reg; struct acpi_pcct_hw_reduced *pcct_ss; pcc_mbox_channels[i].con_priv = pcct_entry; - pcct_entry = (struct acpi_subtable_header *) - ((unsigned long) pcct_entry + pcct_entry->length); /* If doorbell is in system memory cache the virt address */ pcct_ss = (struct acpi_pcct_hw_reduced *)pcct_entry; @@ -370,6 +368,8 @@ static int __init acpi_pcc_probe(void) if (db_reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) pcc_doorbell_vaddr[i] = acpi_os_ioremap(db_reg->address, db_reg->bit_width/8); + pcct_entry = (struct acpi_subtable_header *) + ((unsigned long) pcct_entry + pcct_entry->length); } pcc_mbox_ctrl.num_chans = count; diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index bef71751aade..3fe86b54d50b 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1673,6 +1673,9 @@ static void bitmap_free(struct bitmap *bitmap) if (!bitmap) /* there was no bitmap */ return; + if (bitmap->sysfs_can_clear) + sysfs_put(bitmap->sysfs_can_clear); + if (mddev_is_clustered(bitmap->mddev) && bitmap->mddev->cluster_info && bitmap->cluster_slot == md_cluster_ops->slot_number(bitmap->mddev)) md_cluster_stop(bitmap->mddev); @@ -1712,15 +1715,13 @@ void bitmap_destroy(struct mddev *mddev) if (mddev->thread) mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; - if (bitmap->sysfs_can_clear) - sysfs_put(bitmap->sysfs_can_clear); - bitmap_free(bitmap); } /* * initialize the bitmap structure * if this returns an error, bitmap_destroy must be called to do clean up + * once mddev->bitmap is set */ struct bitmap *bitmap_create(struct mddev *mddev, int slot) { @@ -1865,8 +1866,10 @@ int bitmap_copy_from_slot(struct mddev *mddev, int slot, struct bitmap_counts *counts; struct bitmap *bitmap = bitmap_create(mddev, slot); - if (IS_ERR(bitmap)) + if (IS_ERR(bitmap)) { + bitmap_free(bitmap); return PTR_ERR(bitmap); + } rv = bitmap_init_from_disk(bitmap, 0); if (rv) @@ -2170,14 +2173,14 @@ location_store(struct mddev *mddev, const char *buf, size_t len) else { mddev->bitmap = bitmap; rv = bitmap_load(mddev); - if (rv) { - bitmap_destroy(mddev); + if (rv) mddev->bitmap_info.offset = 0; - } } mddev->pers->quiesce(mddev, 0); - if (rv) + if (rv) { + bitmap_destroy(mddev); return rv; + } } } } diff --git a/drivers/md/md.c b/drivers/md/md.c index c068f171b4eb..194580fba7fd 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -718,6 +718,7 @@ static void super_written(struct bio *bio) if (atomic_dec_and_test(&mddev->pending_writes)) wake_up(&mddev->sb_wait); + rdev_dec_pending(rdev, mddev); bio_put(bio); } @@ -732,6 +733,8 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, */ struct bio *bio = bio_alloc_mddev(GFP_NOIO, 1, mddev); + atomic_inc(&rdev->nr_pending); + bio->bi_bdev = rdev->meta_bdev ? rdev->meta_bdev : rdev->bdev; bio->bi_iter.bi_sector = sector; bio_add_page(bio, page, size, 0); @@ -6883,7 +6886,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, case ADD_NEW_DISK: /* We can support ADD_NEW_DISK on read-only arrays - * on if we are re-adding a preexisting device. + * only if we are re-adding a preexisting device. * So require mddev->pers and MD_DISK_SYNC. */ if (mddev->pers) { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 39fb21e048e6..a7f2b9c9f8a0 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -570,7 +570,7 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect if (best_dist_disk < 0) { if (is_badblock(rdev, this_sector, sectors, &first_bad, &bad_sectors)) { - if (first_bad < this_sector) + if (first_bad <= this_sector) /* Cannot use this */ continue; best_good_sectors = first_bad - this_sector; diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 62aa5d0efcee..79e19017343e 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -390,6 +390,7 @@ static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) slot->cd_idx = 0; slot->cd_override_level = true; if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXT_SD || + slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXTM_SD || slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD) slot->host->mmc_host_ops.get_cd = bxt_get_cd; @@ -1173,6 +1174,30 @@ static const struct pci_device_id pci_ids[] = { { .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BXTM_EMMC, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BXTM_SDIO, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BXTM_SD, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_APL_EMMC, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index d1a0b4db60db..89e7151684a1 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -28,6 +28,9 @@ #define PCI_DEVICE_ID_INTEL_BXT_SD 0x0aca #define PCI_DEVICE_ID_INTEL_BXT_EMMC 0x0acc #define PCI_DEVICE_ID_INTEL_BXT_SDIO 0x0ad0 +#define PCI_DEVICE_ID_INTEL_BXTM_SD 0x1aca +#define PCI_DEVICE_ID_INTEL_BXTM_EMMC 0x1acc +#define PCI_DEVICE_ID_INTEL_BXTM_SDIO 0x1ad0 #define PCI_DEVICE_ID_INTEL_APL_SD 0x5aca #define PCI_DEVICE_ID_INTEL_APL_EMMC 0x5acc #define PCI_DEVICE_ID_INTEL_APL_SDIO 0x5ad0 diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index aca439d3ca83..30132500aa1c 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -309,8 +309,30 @@ static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) __func__, uhs, ctrl_2); } +static void pxav3_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + struct mmc_host *mmc = host->mmc; + u8 pwr = host->pwr; + + sdhci_set_power(host, mode, vdd); + + if (host->pwr == pwr) + return; + + if (host->pwr == 0) + vdd = 0; + + if (!IS_ERR(mmc->supply.vmmc)) { + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); + } +} + static const struct sdhci_ops pxav3_sdhci_ops = { .set_clock = sdhci_set_clock, + .set_power = pxav3_set_power, .platform_send_init_74_clocks = pxav3_gen_init_74_clocks, .get_max_clock = sdhci_pltfm_clk_get_max_clock, .set_bus_width = sdhci_set_bus_width, diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 8670f162dec7..6bd3d1794966 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1210,10 +1210,24 @@ clock_set: } EXPORT_SYMBOL_GPL(sdhci_set_clock); -static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, - unsigned short vdd) +static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) { struct mmc_host *mmc = host->mmc; + + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); + + if (mode != MMC_POWER_OFF) + sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL); + else + sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); +} + +void sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ u8 pwr = 0; if (mode != MMC_POWER_OFF) { @@ -1245,7 +1259,6 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) sdhci_runtime_pm_bus_off(host); - vdd = 0; } else { /* * Spec says that we should clear the power reg before setting @@ -1276,12 +1289,20 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) mdelay(10); } +} +EXPORT_SYMBOL_GPL(sdhci_set_power); - if (!IS_ERR(mmc->supply.vmmc)) { - spin_unlock_irq(&host->lock); - mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); - spin_lock_irq(&host->lock); - } +static void __sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + struct mmc_host *mmc = host->mmc; + + if (host->ops->set_power) + host->ops->set_power(host, mode, vdd); + else if (!IS_ERR(mmc->supply.vmmc)) + sdhci_set_power_reg(host, mode, vdd); + else + sdhci_set_power(host, mode, vdd); } /*****************************************************************************\ @@ -1431,7 +1452,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) } } - sdhci_set_power(host, ios->power_mode, ios->vdd); + __sdhci_set_power(host, ios->power_mode, ios->vdd); if (host->ops->platform_send_init_74_clocks) host->ops->platform_send_init_74_clocks(host, ios->power_mode); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 3bd28033dbd9..0f39f4f84d10 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -529,6 +529,8 @@ struct sdhci_ops { #endif void (*set_clock)(struct sdhci_host *host, unsigned int clock); + void (*set_power)(struct sdhci_host *host, unsigned char mode, + unsigned short vdd); int (*enable_dma)(struct sdhci_host *host); unsigned int (*get_max_clock)(struct sdhci_host *host); @@ -660,6 +662,8 @@ static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) } void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); +void sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd); void sdhci_set_bus_width(struct sdhci_host *host, int width); void sdhci_reset(struct sdhci_host *host, u8 mask); void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h index 06bc2d2e7a73..a2cdfc1261dc 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h @@ -166,6 +166,7 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN CH_PCI_ID_TABLE_FENTRY(0x5099), /* Custom 2x40G QSFP */ CH_PCI_ID_TABLE_FENTRY(0x509a), /* Custom T520-CR */ CH_PCI_ID_TABLE_FENTRY(0x509b), /* Custom T540-CR LOM */ + CH_PCI_ID_TABLE_FENTRY(0x509c), /* Custom T520-CR*/ /* T6 adapters: */ diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 3fc7bde699ba..ae90d4f12b70 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3106,7 +3106,7 @@ static int e1000_maybe_stop_tx(struct net_device *netdev, return __e1000_maybe_stop_tx(netdev, size); } -#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1) +#define TXD_USE_COUNT(S, X) (((S) + ((1 << (X)) - 1)) >> (X)) static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { @@ -3256,12 +3256,29 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, nr_frags, mss); if (count) { + /* The descriptors needed is higher than other Intel drivers + * due to a number of workarounds. The breakdown is below: + * Data descriptors: MAX_SKB_FRAGS + 1 + * Context Descriptor: 1 + * Keep head from touching tail: 2 + * Workarounds: 3 + */ + int desc_needed = MAX_SKB_FRAGS + 7; + netdev_sent_queue(netdev, skb->len); skb_tx_timestamp(skb); e1000_tx_queue(adapter, tx_ring, tx_flags, count); + + /* 82544 potentially requires twice as many data descriptors + * in order to guarantee buffers don't end on evenly-aligned + * dwords + */ + if (adapter->pcix_82544) + desc_needed += MAX_SKB_FRAGS + 1; + /* Make sure there is space in the ring for the next send. */ - e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2); + e1000_maybe_stop_tx(netdev, tx_ring, desc_needed); if (!skb->xmit_more || netif_xmit_stopped(netdev_get_tx_queue(netdev, 0))) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 67006431726a..344912957cab 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -8559,6 +8559,7 @@ static int i40e_sw_init(struct i40e_pf *pf) I40E_FLAG_OUTER_UDP_CSUM_CAPABLE | I40E_FLAG_WB_ON_ITR_CAPABLE | I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE | + I40E_FLAG_NO_PCI_LINK_CHECK | I40E_FLAG_100M_SGMII_CAPABLE | I40E_FLAG_USE_SET_LLDP_MIB | I40E_FLAG_GENEVE_OFFLOAD_CAPABLE; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 78464fa7fe1f..fcbd4be562e2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -288,10 +288,6 @@ bool stmmac_eee_init(struct stmmac_priv *priv) (priv->pcs == STMMAC_PCS_RTBI)) goto out; - /* Never init EEE in case of a switch is attached */ - if (priv->phydev->is_pseudo_fixed_link) - goto out; - /* MAC core supports the EEE feature. */ if (priv->dma_cap.eee) { int tx_lpi_timer = priv->tx_lpi_timer; @@ -771,10 +767,16 @@ static void stmmac_adjust_link(struct net_device *dev) spin_unlock_irqrestore(&priv->lock, flags); - /* At this stage, it could be needed to setup the EEE or adjust some - * MAC related HW registers. - */ - priv->eee_enabled = stmmac_eee_init(priv); + if (phydev->is_pseudo_fixed_link) + /* Stop PHY layer to call the hook to adjust the link in case + * of a switch is attached to the stmmac driver. + */ + phydev->irq = PHY_IGNORE_INTERRUPT; + else + /* At this stage, init the EEE if supported. + * Never called in case of fixed_link. + */ + priv->eee_enabled = stmmac_eee_init(priv); } /** @@ -865,10 +867,6 @@ static int stmmac_init_phy(struct net_device *dev) return -ENODEV; } - /* If attached to a switch, there is no reason to poll phy handler */ - if (phydev->is_pseudo_fixed_link) - phydev->irq = PHY_IGNORE_INTERRUPT; - pr_debug("stmmac_init_phy: %s: attached to PHY (UID 0x%x)" " Link = %d\n", dev->name, phydev->phy_id, phydev->link); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 510e90a6bb26..2c9e45f50edb 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1015,7 +1015,6 @@ static void tun_net_init(struct net_device *dev) /* Zero header length */ dev->type = ARPHRD_NONE; dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; - dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */ break; case IFF_TAP: @@ -1027,7 +1026,6 @@ static void tun_net_init(struct net_device *dev) eth_hw_addr_random(dev); - dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */ break; } } @@ -1481,6 +1479,8 @@ static void tun_setup(struct net_device *dev) dev->ethtool_ops = &tun_ethtool_ops; dev->destructor = tun_free_netdev; + /* We prefer our own queue length */ + dev->tx_queue_len = TUN_READQ_SIZE; } /* Trivial set of netlink ops to allow deleting tun or tap diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index fc82743aefb6..19f822d7f652 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -407,7 +407,7 @@ static const struct nd_cmd_desc __nd_cmd_dimm_descs[] = { [ND_CMD_IMPLEMENTED] = { }, [ND_CMD_SMART] = { .out_num = 2, - .out_sizes = { 4, 8, }, + .out_sizes = { 4, 128, }, }, [ND_CMD_SMART_THRESHOLD] = { .out_num = 2, diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c index 79646d0c3277..182a93fe3712 100644 --- a/drivers/nvdimm/core.c +++ b/drivers/nvdimm/core.c @@ -417,8 +417,8 @@ static void __add_badblock_range(struct badblocks *bb, u64 ns_offset, u64 len) set_badblock(bb, start_sector, num_sectors); } -static void namespace_add_poison(struct list_head *poison_list, - struct badblocks *bb, struct resource *res) +static void badblocks_populate(struct list_head *poison_list, + struct badblocks *bb, const struct resource *res) { struct nd_poison *pl; @@ -460,36 +460,35 @@ static void namespace_add_poison(struct list_head *poison_list, } /** - * nvdimm_namespace_add_poison() - Convert a list of poison ranges to badblocks - * @ndns: the namespace containing poison ranges - * @bb: badblocks instance to populate - * @offset: offset at the start of the namespace before 'sector 0' + * nvdimm_badblocks_populate() - Convert a list of poison ranges to badblocks + * @region: parent region of the range to interrogate + * @bb: badblocks instance to populate + * @res: resource range to consider * - * The poison list generated during NFIT initialization may contain multiple, - * possibly overlapping ranges in the SPA (System Physical Address) space. - * Compare each of these ranges to the namespace currently being initialized, - * and add badblocks to the gendisk for all matching sub-ranges + * The poison list generated during bus initialization may contain + * multiple, possibly overlapping physical address ranges. Compare each + * of these ranges to the resource range currently being initialized, + * and add badblocks entries for all matching sub-ranges */ -void nvdimm_namespace_add_poison(struct nd_namespace_common *ndns, - struct badblocks *bb, resource_size_t offset) +void nvdimm_badblocks_populate(struct nd_region *nd_region, + struct badblocks *bb, const struct resource *res) { - struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); - struct nd_region *nd_region = to_nd_region(ndns->dev.parent); struct nvdimm_bus *nvdimm_bus; struct list_head *poison_list; - struct resource res = { - .start = nsio->res.start + offset, - .end = nsio->res.end, - }; - nvdimm_bus = to_nvdimm_bus(nd_region->dev.parent); + if (!is_nd_pmem(&nd_region->dev)) { + dev_WARN_ONCE(&nd_region->dev, 1, + "%s only valid for pmem regions\n", __func__); + return; + } + nvdimm_bus = walk_to_nvdimm_bus(&nd_region->dev); poison_list = &nvdimm_bus->poison_list; nvdimm_bus_lock(&nvdimm_bus->dev); - namespace_add_poison(poison_list, bb, &res); + badblocks_populate(poison_list, bb, res); nvdimm_bus_unlock(&nvdimm_bus->dev); } -EXPORT_SYMBOL_GPL(nvdimm_namespace_add_poison); +EXPORT_SYMBOL_GPL(nvdimm_badblocks_populate); static int add_poison(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length) { diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index 1799bd97a9ce..875c524fafb0 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -266,8 +266,8 @@ int nvdimm_namespace_attach_btt(struct nd_namespace_common *ndns); int nvdimm_namespace_detach_btt(struct nd_namespace_common *ndns); const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns, char *name); -void nvdimm_namespace_add_poison(struct nd_namespace_common *ndns, - struct badblocks *bb, resource_size_t offset); +void nvdimm_badblocks_populate(struct nd_region *nd_region, + struct badblocks *bb, const struct resource *res); int nd_blk_region_init(struct nd_region *nd_region); void __nd_iostat_start(struct bio *bio, unsigned long *start); static inline bool nd_iostat_start(struct bio *bio, unsigned long *start) diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index 254d3bc13f70..e071e214feba 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -376,7 +376,7 @@ int nd_pfn_validate(struct nd_pfn *nd_pfn) } else { /* from init we validate */ if (memcmp(nd_pfn->uuid, pfn_sb->uuid, 16) != 0) - return -EINVAL; + return -ENODEV; } if (nd_pfn->align > nvdimm_namespace_capacity(ndns)) { diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 12c86fa80c5f..8e09c544d892 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -244,7 +244,9 @@ static void pmem_detach_disk(struct pmem_device *pmem) static int pmem_attach_disk(struct device *dev, struct nd_namespace_common *ndns, struct pmem_device *pmem) { + struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); int nid = dev_to_node(dev); + struct resource bb_res; struct gendisk *disk; blk_queue_make_request(pmem->pmem_queue, pmem_make_request); @@ -271,8 +273,17 @@ static int pmem_attach_disk(struct device *dev, devm_exit_badblocks(dev, &pmem->bb); if (devm_init_badblocks(dev, &pmem->bb)) return -ENOMEM; - nvdimm_namespace_add_poison(ndns, &pmem->bb, pmem->data_offset); - + bb_res.start = nsio->res.start + pmem->data_offset; + bb_res.end = nsio->res.end; + if (is_nd_pfn(dev)) { + struct nd_pfn *nd_pfn = to_nd_pfn(dev); + struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb; + + bb_res.start += __le32_to_cpu(pfn_sb->start_pad); + bb_res.end -= __le32_to_cpu(pfn_sb->end_trunc); + } + nvdimm_badblocks_populate(to_nd_region(dev->parent), &pmem->bb, + &bb_res); disk->bb = &pmem->bb; add_disk(disk); revalidate_disk(disk); @@ -553,7 +564,7 @@ static int nd_pmem_probe(struct device *dev) ndns->rw_bytes = pmem_rw_bytes; if (devm_init_badblocks(dev, &pmem->bb)) return -ENOMEM; - nvdimm_namespace_add_poison(ndns, &pmem->bb, 0); + nvdimm_badblocks_populate(nd_region, &pmem->bb, &nsio->res); if (is_nd_btt(dev)) { /* btt allocates its own request_queue */ @@ -595,14 +606,25 @@ static void nd_pmem_notify(struct device *dev, enum nvdimm_event event) { struct pmem_device *pmem = dev_get_drvdata(dev); struct nd_namespace_common *ndns = pmem->ndns; + struct nd_region *nd_region = to_nd_region(dev->parent); + struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); + struct resource res = { + .start = nsio->res.start + pmem->data_offset, + .end = nsio->res.end, + }; if (event != NVDIMM_REVALIDATE_POISON) return; - if (is_nd_btt(dev)) - nvdimm_namespace_add_poison(ndns, &pmem->bb, 0); - else - nvdimm_namespace_add_poison(ndns, &pmem->bb, pmem->data_offset); + if (is_nd_pfn(dev)) { + struct nd_pfn *nd_pfn = to_nd_pfn(dev); + struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb; + + res.start += __le32_to_cpu(pfn_sb->start_pad); + res.end -= __le32_to_cpu(pfn_sb->end_trunc); + } + + nvdimm_badblocks_populate(nd_region, &pmem->bb, &res); } MODULE_ALIAS("pmem"); diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index cdfd01f0adb8..8fad0a7044d3 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -1091,6 +1091,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = { RAPL_CPU(0x3f, rapl_defaults_hsw_server),/* Haswell servers */ RAPL_CPU(0x4f, rapl_defaults_hsw_server),/* Broadwell servers */ RAPL_CPU(0x45, rapl_defaults_core),/* Haswell ULT */ + RAPL_CPU(0x46, rapl_defaults_core),/* Haswell */ RAPL_CPU(0x47, rapl_defaults_core),/* Broadwell-H */ RAPL_CPU(0x4E, rapl_defaults_core),/* Skylake */ RAPL_CPU(0x4C, rapl_defaults_cht),/* Braswell/Cherryview */ diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 21a67ed047e8..ff6caab8cc8b 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -452,10 +452,11 @@ static int aac_slave_configure(struct scsi_device *sdev) else if (depth < 2) depth = 2; scsi_change_queue_depth(sdev, depth); - } else + } else { scsi_change_queue_depth(sdev, 1); sdev->tagged_supported = 1; + } return 0; } diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index 35968bdb4866..8fb9643fe6e3 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -289,7 +289,7 @@ static void context_reset(struct afu_cmd *cmd) atomic64_set(&afu->room, room); if (room) goto write_rrin; - udelay(nretry); + udelay(1 << nretry); } while (nretry++ < MC_ROOM_RETRY_CNT); pr_err("%s: no cmd_room to send reset\n", __func__); @@ -303,7 +303,7 @@ write_rrin: if (rrin != 0x1) break; /* Double delay each time */ - udelay(2 << nretry); + udelay(1 << nretry); } while (nretry++ < MC_ROOM_RETRY_CNT); } @@ -338,7 +338,7 @@ retry: atomic64_set(&afu->room, room); if (room) goto write_ioarrin; - udelay(nretry); + udelay(1 << nretry); } while (nretry++ < MC_ROOM_RETRY_CNT); dev_err(dev, "%s: no cmd_room to send 0x%X\n", @@ -352,7 +352,7 @@ retry: * afu->room. */ if (nretry++ < MC_ROOM_RETRY_CNT) { - udelay(nretry); + udelay(1 << nretry); goto retry; } @@ -683,28 +683,23 @@ static void stop_afu(struct cxlflash_cfg *cfg) } /** - * term_mc() - terminates the master context + * term_intr() - disables all AFU interrupts * @cfg: Internal structure associated with the host. * @level: Depth of allocation, where to begin waterfall tear down. * * Safe to call with AFU/MC in partially allocated/initialized state. */ -static void term_mc(struct cxlflash_cfg *cfg, enum undo_level level) +static void term_intr(struct cxlflash_cfg *cfg, enum undo_level level) { - int rc = 0; struct afu *afu = cfg->afu; struct device *dev = &cfg->dev->dev; if (!afu || !cfg->mcctx) { - dev_err(dev, "%s: returning from term_mc with NULL afu or MC\n", - __func__); + dev_err(dev, "%s: returning with NULL afu or MC\n", __func__); return; } switch (level) { - case UNDO_START: - rc = cxl_stop_context(cfg->mcctx); - BUG_ON(rc); case UNMAP_THREE: cxl_unmap_afu_irq(cfg->mcctx, 3, afu); case UNMAP_TWO: @@ -713,9 +708,34 @@ static void term_mc(struct cxlflash_cfg *cfg, enum undo_level level) cxl_unmap_afu_irq(cfg->mcctx, 1, afu); case FREE_IRQ: cxl_free_afu_irqs(cfg->mcctx); - case RELEASE_CONTEXT: - cfg->mcctx = NULL; + /* fall through */ + case UNDO_NOOP: + /* No action required */ + break; + } +} + +/** + * term_mc() - terminates the master context + * @cfg: Internal structure associated with the host. + * @level: Depth of allocation, where to begin waterfall tear down. + * + * Safe to call with AFU/MC in partially allocated/initialized state. + */ +static void term_mc(struct cxlflash_cfg *cfg) +{ + int rc = 0; + struct afu *afu = cfg->afu; + struct device *dev = &cfg->dev->dev; + + if (!afu || !cfg->mcctx) { + dev_err(dev, "%s: returning with NULL afu or MC\n", __func__); + return; } + + rc = cxl_stop_context(cfg->mcctx); + WARN_ON(rc); + cfg->mcctx = NULL; } /** @@ -726,10 +746,20 @@ static void term_mc(struct cxlflash_cfg *cfg, enum undo_level level) */ static void term_afu(struct cxlflash_cfg *cfg) { + /* + * Tear down is carefully orchestrated to ensure + * no interrupts can come in when the problem state + * area is unmapped. + * + * 1) Disable all AFU interrupts + * 2) Unmap the problem state area + * 3) Stop the master context + */ + term_intr(cfg, UNMAP_THREE); if (cfg->afu) stop_afu(cfg); - term_mc(cfg, UNDO_START); + term_mc(cfg); pr_debug("%s: returning\n", __func__); } @@ -1597,41 +1627,24 @@ static int start_afu(struct cxlflash_cfg *cfg) } /** - * init_mc() - create and register as the master context + * init_intr() - setup interrupt handlers for the master context * @cfg: Internal structure associated with the host. * * Return: 0 on success, -errno on failure */ -static int init_mc(struct cxlflash_cfg *cfg) +static enum undo_level init_intr(struct cxlflash_cfg *cfg, + struct cxl_context *ctx) { - struct cxl_context *ctx; - struct device *dev = &cfg->dev->dev; struct afu *afu = cfg->afu; + struct device *dev = &cfg->dev->dev; int rc = 0; - enum undo_level level; - - ctx = cxl_get_context(cfg->dev); - if (unlikely(!ctx)) - return -ENOMEM; - cfg->mcctx = ctx; - - /* Set it up as a master with the CXL */ - cxl_set_master(ctx); - - /* During initialization reset the AFU to start from a clean slate */ - rc = cxl_afu_reset(cfg->mcctx); - if (unlikely(rc)) { - dev_err(dev, "%s: initial AFU reset failed rc=%d\n", - __func__, rc); - level = RELEASE_CONTEXT; - goto out; - } + enum undo_level level = UNDO_NOOP; rc = cxl_allocate_afu_irqs(ctx, 3); if (unlikely(rc)) { dev_err(dev, "%s: call to allocate_afu_irqs failed rc=%d!\n", __func__, rc); - level = RELEASE_CONTEXT; + level = UNDO_NOOP; goto out; } @@ -1661,8 +1674,47 @@ static int init_mc(struct cxlflash_cfg *cfg) level = UNMAP_TWO; goto out; } +out: + return level; +} - rc = 0; +/** + * init_mc() - create and register as the master context + * @cfg: Internal structure associated with the host. + * + * Return: 0 on success, -errno on failure + */ +static int init_mc(struct cxlflash_cfg *cfg) +{ + struct cxl_context *ctx; + struct device *dev = &cfg->dev->dev; + int rc = 0; + enum undo_level level; + + ctx = cxl_get_context(cfg->dev); + if (unlikely(!ctx)) { + rc = -ENOMEM; + goto ret; + } + cfg->mcctx = ctx; + + /* Set it up as a master with the CXL */ + cxl_set_master(ctx); + + /* During initialization reset the AFU to start from a clean slate */ + rc = cxl_afu_reset(cfg->mcctx); + if (unlikely(rc)) { + dev_err(dev, "%s: initial AFU reset failed rc=%d\n", + __func__, rc); + goto ret; + } + + level = init_intr(cfg, ctx); + if (unlikely(level)) { + dev_err(dev, "%s: setting up interrupts failed rc=%d\n", + __func__, rc); + goto out; + } /* This performs the equivalent of the CXL_IOCTL_START_WORK. * The CXL_IOCTL_GET_PROCESS_ELEMENT is implicit in the process @@ -1678,7 +1730,7 @@ ret: pr_debug("%s: returning rc=%d\n", __func__, rc); return rc; out: - term_mc(cfg, level); + term_intr(cfg, level); goto ret; } @@ -1751,7 +1803,8 @@ out: err2: kref_put(&afu->mapcount, afu_unmap); err1: - term_mc(cfg, UNDO_START); + term_intr(cfg, UNMAP_THREE); + term_mc(cfg); goto out; } @@ -2488,8 +2541,7 @@ static pci_ers_result_t cxlflash_pci_error_detected(struct pci_dev *pdev, if (unlikely(rc)) dev_err(dev, "%s: Failed to mark user contexts!(%d)\n", __func__, rc); - stop_afu(cfg); - term_mc(cfg, UNDO_START); + term_afu(cfg); return PCI_ERS_RESULT_NEED_RESET; case pci_channel_io_perm_failure: cfg->state = STATE_FAILTERM; diff --git a/drivers/scsi/cxlflash/main.h b/drivers/scsi/cxlflash/main.h index 0faed422c7f4..eb9d8f730b38 100644 --- a/drivers/scsi/cxlflash/main.h +++ b/drivers/scsi/cxlflash/main.h @@ -79,12 +79,11 @@ #define WWPN_BUF_LEN (WWPN_LEN + 1) enum undo_level { - RELEASE_CONTEXT = 0, + UNDO_NOOP = 0, FREE_IRQ, UNMAP_ONE, UNMAP_TWO, - UNMAP_THREE, - UNDO_START + UNMAP_THREE }; struct dev_dependent_vals { diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index a404a41e871c..8eaed0522aa3 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -1112,9 +1112,9 @@ static void alua_bus_detach(struct scsi_device *sdev) h->sdev = NULL; spin_unlock(&h->pg_lock); if (pg) { - spin_lock(&pg->lock); + spin_lock_irq(&pg->lock); list_del_rcu(&h->node); - spin_unlock(&pg->lock); + spin_unlock_irq(&pg->lock); kref_put(&pg->kref, release_port_group); } sdev->handler_data = NULL; diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index e4db5fb3239a..8c44b9c424af 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -5030,7 +5030,7 @@ _base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, int sleep_flag, static int _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) { - int r, i; + int r, i, index; unsigned long flags; u32 reply_address; u16 smid; @@ -5039,8 +5039,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) struct _event_ack_list *delayed_event_ack, *delayed_event_ack_next; u8 hide_flag; struct adapter_reply_queue *reply_q; - long reply_post_free; - u32 reply_post_free_sz, index = 0; + Mpi2ReplyDescriptorsUnion_t *reply_post_free_contig; dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, __func__)); @@ -5124,27 +5123,27 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) _base_assign_reply_queues(ioc); /* initialize Reply Post Free Queue */ - reply_post_free_sz = ioc->reply_post_queue_depth * - sizeof(Mpi2DefaultReplyDescriptor_t); - reply_post_free = (long)ioc->reply_post[index].reply_post_free; + index = 0; + reply_post_free_contig = ioc->reply_post[0].reply_post_free; list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { + /* + * If RDPQ is enabled, switch to the next allocation. + * Otherwise advance within the contiguous region. + */ + if (ioc->rdpq_array_enable) { + reply_q->reply_post_free = + ioc->reply_post[index++].reply_post_free; + } else { + reply_q->reply_post_free = reply_post_free_contig; + reply_post_free_contig += ioc->reply_post_queue_depth; + } + reply_q->reply_post_host_index = 0; - reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) - reply_post_free; for (i = 0; i < ioc->reply_post_queue_depth; i++) reply_q->reply_post_free[i].Words = cpu_to_le64(ULLONG_MAX); if (!_base_is_controller_msix_enabled(ioc)) goto skip_init_reply_post_free_queue; - /* - * If RDPQ is enabled, switch to the next allocation. - * Otherwise advance within the contiguous region. - */ - if (ioc->rdpq_array_enable) - reply_post_free = (long) - ioc->reply_post[++index].reply_post_free; - else - reply_post_free += reply_post_free_sz; } skip_init_reply_post_free_queue: diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index b1bf42b93fcc..1deb6adc411f 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -784,8 +784,9 @@ void scsi_attach_vpd(struct scsi_device *sdev) int pg83_supported = 0; unsigned char __rcu *vpd_buf, *orig_vpd_buf = NULL; - if (sdev->skip_vpd_pages) + if (!scsi_device_supports_vpd(sdev)) return; + retry_pg0: vpd_buf = kmalloc(vpd_len, GFP_KERNEL); if (!vpd_buf) diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 92ffd2406f97..2b642b145be1 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -81,6 +81,7 @@ const char *scsi_host_state_name(enum scsi_host_state state) return name; } +#ifdef CONFIG_SCSI_DH static const struct { unsigned char value; char *name; @@ -94,7 +95,7 @@ static const struct { { SCSI_ACCESS_STATE_TRANSITIONING, "transitioning" }, }; -const char *scsi_access_state_name(unsigned char state) +static const char *scsi_access_state_name(unsigned char state) { int i; char *name = NULL; @@ -107,6 +108,7 @@ const char *scsi_access_state_name(unsigned char state) } return name; } +#endif static int check_set(unsigned long long *val, char *src) { @@ -226,7 +228,7 @@ show_shost_state(struct device *dev, struct device_attribute *attr, char *buf) } /* DEVICE_ATTR(state) clashes with dev_attr_state for sdev */ -struct device_attribute dev_attr_hstate = +static struct device_attribute dev_attr_hstate = __ATTR(state, S_IRUGO | S_IWUSR, show_shost_state, store_shost_state); static ssize_t @@ -401,7 +403,7 @@ static struct attribute *scsi_sysfs_shost_attrs[] = { NULL }; -struct attribute_group scsi_shost_attr_group = { +static struct attribute_group scsi_shost_attr_group = { .attrs = scsi_sysfs_shost_attrs, }; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 1bd0753f678a..f52b74cf8d1e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1275,18 +1275,19 @@ static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo) struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk); struct scsi_device *sdp = sdkp->device; struct Scsi_Host *host = sdp->host; + sector_t capacity = logical_to_sectors(sdp, sdkp->capacity); int diskinfo[4]; /* default to most commonly used values */ - diskinfo[0] = 0x40; /* 1 << 6 */ - diskinfo[1] = 0x20; /* 1 << 5 */ - diskinfo[2] = sdkp->capacity >> 11; - + diskinfo[0] = 0x40; /* 1 << 6 */ + diskinfo[1] = 0x20; /* 1 << 5 */ + diskinfo[2] = capacity >> 11; + /* override with calculated, extended default, or driver values */ if (host->hostt->bios_param) - host->hostt->bios_param(sdp, bdev, sdkp->capacity, diskinfo); + host->hostt->bios_param(sdp, bdev, capacity, diskinfo); else - scsicam_bios_param(bdev, sdkp->capacity, diskinfo); + scsicam_bios_param(bdev, capacity, diskinfo); geo->heads = diskinfo[0]; geo->sectors = diskinfo[1]; @@ -2337,14 +2338,6 @@ got_data: if (sdkp->capacity > 0xffffffff) sdp->use_16_for_rw = 1; - /* Rescale capacity to 512-byte units */ - if (sector_size == 4096) - sdkp->capacity <<= 3; - else if (sector_size == 2048) - sdkp->capacity <<= 2; - else if (sector_size == 1024) - sdkp->capacity <<= 1; - blk_queue_physical_block_size(sdp->request_queue, sdkp->physical_block_size); sdkp->device->sector_size = sector_size; @@ -2795,28 +2788,6 @@ static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer) sdkp->ws10 = 1; } -static int sd_try_extended_inquiry(struct scsi_device *sdp) -{ - /* Attempt VPD inquiry if the device blacklist explicitly calls - * for it. - */ - if (sdp->try_vpd_pages) - return 1; - /* - * Although VPD inquiries can go to SCSI-2 type devices, - * some USB ones crash on receiving them, and the pages - * we currently ask for are for SPC-3 and beyond - */ - if (sdp->scsi_level > SCSI_SPC_2 && !sdp->skip_vpd_pages) - return 1; - return 0; -} - -static inline u32 logical_to_sectors(struct scsi_device *sdev, u32 blocks) -{ - return blocks << (ilog2(sdev->sector_size) - 9); -} - /** * sd_revalidate_disk - called the first time a new disk is seen, * performs disk spin up, read_capacity, etc. @@ -2856,7 +2827,7 @@ static int sd_revalidate_disk(struct gendisk *disk) if (sdkp->media_present) { sd_read_capacity(sdkp, buffer); - if (sd_try_extended_inquiry(sdp)) { + if (scsi_device_supports_vpd(sdp)) { sd_read_block_provisioning(sdkp); sd_read_block_limits(sdkp); sd_read_block_characteristics(sdkp); @@ -2900,7 +2871,7 @@ static int sd_revalidate_disk(struct gendisk *disk) /* Combine with controller limits */ q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q)); - set_capacity(disk, sdkp->capacity); + set_capacity(disk, logical_to_sectors(sdp, sdkp->capacity)); sd_config_write_same(sdkp); kfree(buffer); diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 5f2a84aff29f..654630bb7d0e 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -65,7 +65,7 @@ struct scsi_disk { struct device dev; struct gendisk *disk; atomic_t openers; - sector_t capacity; /* size in 512-byte sectors */ + sector_t capacity; /* size in logical blocks */ u32 max_xfer_blocks; u32 opt_xfer_blocks; u32 max_ws_blocks; @@ -146,6 +146,11 @@ static inline int scsi_medium_access_command(struct scsi_cmnd *scmd) return 0; } +static inline sector_t logical_to_sectors(struct scsi_device *sdev, sector_t blocks) +{ + return blocks << (ilog2(sdev->sector_size) - 9); +} + /* * A DIF-capable target device can be formatted with different * protection schemes. Currently 0 through 3 are defined: diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index cf84581287b9..5bac28a3944e 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -30,6 +30,8 @@ source "drivers/staging/wlan-ng/Kconfig" source "drivers/staging/comedi/Kconfig" +source "drivers/staging/olpc_dcon/Kconfig" + source "drivers/staging/rtl8192u/Kconfig" source "drivers/staging/rtl8192e/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 7d6448d20464..a954242b0f2c 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -4,6 +4,7 @@ obj-y += media/ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_PRISM2_USB) += wlan-ng/ obj-$(CONFIG_COMEDI) += comedi/ +obj-$(CONFIG_FB_OLPC_DCON) += olpc_dcon/ obj-$(CONFIG_RTL8192U) += rtl8192u/ obj-$(CONFIG_RTL8192E) += rtl8192e/ obj-$(CONFIG_R8712U) += rtl8712/ diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig new file mode 100644 index 000000000000..d277f048789e --- /dev/null +++ b/drivers/staging/olpc_dcon/Kconfig @@ -0,0 +1,35 @@ +config FB_OLPC_DCON + tristate "One Laptop Per Child Display CONtroller support" + depends on OLPC && FB + depends on I2C + depends on (GPIO_CS5535 || GPIO_CS5535=n) + select BACKLIGHT_CLASS_DEVICE + ---help--- + In order to support very low power operation, the XO laptop uses a + secondary Display CONtroller, or DCON. This secondary controller + is present in the video pipeline between the primary display + controller (integrate into the processor or chipset) and the LCD + panel. It allows the main processor/display controller to be + completely powered off while still retaining an image on the display. + This controller is only available on OLPC platforms. Unless you have + one of these platforms, you will want to say 'N'. + +config FB_OLPC_DCON_1 + bool "OLPC XO-1 DCON support" + depends on FB_OLPC_DCON && GPIO_CS5535 + default y + ---help--- + Enable support for the DCON in XO-1 model laptops. The kernel + communicates with the DCON using model-specific code. If you + have an XO-1 (or if you're unsure what model you have), you should + say 'Y'. + +config FB_OLPC_DCON_1_5 + bool "OLPC XO-1.5 DCON support" + depends on FB_OLPC_DCON && ACPI + default y + ---help--- + Enable support for the DCON in XO-1.5 model laptops. The kernel + communicates with the DCON using model-specific code. If you + have an XO-1.5 (or if you're unsure what model you have), you + should say 'Y'. diff --git a/drivers/staging/olpc_dcon/Makefile b/drivers/staging/olpc_dcon/Makefile new file mode 100644 index 000000000000..36c7e67fec20 --- /dev/null +++ b/drivers/staging/olpc_dcon/Makefile @@ -0,0 +1,6 @@ +olpc-dcon-objs += olpc_dcon.o +olpc-dcon-$(CONFIG_FB_OLPC_DCON_1) += olpc_dcon_xo_1.o +olpc-dcon-$(CONFIG_FB_OLPC_DCON_1_5) += olpc_dcon_xo_1_5.o +obj-$(CONFIG_FB_OLPC_DCON) += olpc-dcon.o + + diff --git a/drivers/staging/olpc_dcon/TODO b/drivers/staging/olpc_dcon/TODO new file mode 100644 index 000000000000..61c2e65ac354 --- /dev/null +++ b/drivers/staging/olpc_dcon/TODO @@ -0,0 +1,9 @@ +TODO: + - see if vx855 gpio API can be made similar enough to cs5535 so we can + share more code + - allow simultaneous XO-1 and XO-1.5 support + +Please send patches to Greg Kroah-Hartman <[email protected]> and +copy: + Daniel Drake <[email protected]> + Jens Frederich <[email protected]> diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c new file mode 100644 index 000000000000..f45b2ef05f48 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -0,0 +1,813 @@ +/* + * Mainly by David Woodhouse, somewhat modified by Jordan Crouse + * + * Copyright © 2006-2007 Red Hat, Inc. + * Copyright © 2006-2007 Advanced Micro Devices, Inc. + * Copyright © 2009 VIA Technology, Inc. + * Copyright (c) 2010-2011 Andres Salomon <[email protected]> + * + * This program is free software. You can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/fb.h> +#include <linux/console.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/backlight.h> +#include <linux/device.h> +#include <linux/uaccess.h> +#include <linux/ctype.h> +#include <linux/reboot.h> +#include <linux/olpc-ec.h> +#include <asm/tsc.h> +#include <asm/olpc.h> + +#include "olpc_dcon.h" + +/* Module definitions */ + +static ushort resumeline = 898; +module_param(resumeline, ushort, 0444); + +static struct dcon_platform_data *pdata; + +/* I2C structures */ + +/* Platform devices */ +static struct platform_device *dcon_device; + +static unsigned short normal_i2c[] = { 0x0d, I2C_CLIENT_END }; + +static s32 dcon_write(struct dcon_priv *dcon, u8 reg, u16 val) +{ + return i2c_smbus_write_word_data(dcon->client, reg, val); +} + +static s32 dcon_read(struct dcon_priv *dcon, u8 reg) +{ + return i2c_smbus_read_word_data(dcon->client, reg); +} + +/* ===== API functions - these are called by a variety of users ==== */ + +static int dcon_hw_init(struct dcon_priv *dcon, int is_init) +{ + u16 ver; + int rc = 0; + + ver = dcon_read(dcon, DCON_REG_ID); + if ((ver >> 8) != 0xDC) { + pr_err("DCON ID not 0xDCxx: 0x%04x instead.\n", ver); + rc = -ENXIO; + goto err; + } + + if (is_init) { + pr_info("Discovered DCON version %x\n", ver & 0xFF); + rc = pdata->init(dcon); + if (rc != 0) { + pr_err("Unable to init.\n"); + goto err; + } + } + + if (ver < 0xdc02) { + dev_err(&dcon->client->dev, + "DCON v1 is unsupported, giving up..\n"); + rc = -ENODEV; + goto err; + } + + /* SDRAM setup/hold time */ + dcon_write(dcon, 0x3a, 0xc040); + dcon_write(dcon, DCON_REG_MEM_OPT_A, 0x0000); /* clear option bits */ + dcon_write(dcon, DCON_REG_MEM_OPT_A, + MEM_DLL_CLOCK_DELAY | MEM_POWER_DOWN); + dcon_write(dcon, DCON_REG_MEM_OPT_B, MEM_SOFT_RESET); + + /* Colour swizzle, AA, no passthrough, backlight */ + if (is_init) { + dcon->disp_mode = MODE_PASSTHRU | MODE_BL_ENABLE | + MODE_CSWIZZLE | MODE_COL_AA; + } + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + + /* Set the scanline to interrupt on during resume */ + dcon_write(dcon, DCON_REG_SCAN_INT, resumeline); + +err: + return rc; +} + +/* + * The smbus doesn't always come back due to what is believed to be + * hardware (power rail) bugs. For older models where this is known to + * occur, our solution is to attempt to wait for the bus to stabilize; + * if it doesn't happen, cut power to the dcon, repower it, and wait + * for the bus to stabilize. Rinse, repeat until we have a working + * smbus. For newer models, we simply BUG(); we want to know if this + * still happens despite the power fixes that have been made! + */ +static int dcon_bus_stabilize(struct dcon_priv *dcon, int is_powered_down) +{ + unsigned long timeout; + u8 pm; + int x; + +power_up: + if (is_powered_down) { + pm = 1; + x = olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0); + if (x) { + pr_warn("unable to force dcon to power up: %d!\n", x); + return x; + } + usleep_range(10000, 11000); /* we'll be conservative */ + } + + pdata->bus_stabilize_wiggle(); + + for (x = -1, timeout = 50; timeout && x < 0; timeout--) { + usleep_range(1000, 1100); + x = dcon_read(dcon, DCON_REG_ID); + } + if (x < 0) { + pr_err("unable to stabilize dcon's smbus, reasserting power and praying.\n"); + BUG_ON(olpc_board_at_least(olpc_board(0xc2))); + pm = 0; + olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0); + msleep(100); + is_powered_down = 1; + goto power_up; /* argh, stupid hardware.. */ + } + + if (is_powered_down) + return dcon_hw_init(dcon, 0); + return 0; +} + +static void dcon_set_backlight(struct dcon_priv *dcon, u8 level) +{ + dcon->bl_val = level; + dcon_write(dcon, DCON_REG_BRIGHT, dcon->bl_val); + + /* Purposely turn off the backlight when we go to level 0 */ + if (dcon->bl_val == 0) { + dcon->disp_mode &= ~MODE_BL_ENABLE; + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + } else if (!(dcon->disp_mode & MODE_BL_ENABLE)) { + dcon->disp_mode |= MODE_BL_ENABLE; + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + } +} + +/* Set the output type to either color or mono */ +static int dcon_set_mono_mode(struct dcon_priv *dcon, bool enable_mono) +{ + if (dcon->mono == enable_mono) + return 0; + + dcon->mono = enable_mono; + + if (enable_mono) { + dcon->disp_mode &= ~(MODE_CSWIZZLE | MODE_COL_AA); + dcon->disp_mode |= MODE_MONO_LUMA; + } else { + dcon->disp_mode &= ~(MODE_MONO_LUMA); + dcon->disp_mode |= MODE_CSWIZZLE | MODE_COL_AA; + } + + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + return 0; +} + +/* For now, this will be really stupid - we need to address how + * DCONLOAD works in a sleep and account for it accordingly + */ + +static void dcon_sleep(struct dcon_priv *dcon, bool sleep) +{ + int x; + + /* Turn off the backlight and put the DCON to sleep */ + + if (dcon->asleep == sleep) + return; + + if (!olpc_board_at_least(olpc_board(0xc2))) + return; + + if (sleep) { + u8 pm = 0; + + x = olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0); + if (x) + pr_warn("unable to force dcon to power down: %d!\n", x); + else + dcon->asleep = sleep; + } else { + /* Only re-enable the backlight if the backlight value is set */ + if (dcon->bl_val != 0) + dcon->disp_mode |= MODE_BL_ENABLE; + x = dcon_bus_stabilize(dcon, 1); + if (x) + pr_warn("unable to reinit dcon hardware: %d!\n", x); + else + dcon->asleep = sleep; + + /* Restore backlight */ + dcon_set_backlight(dcon, dcon->bl_val); + } + + /* We should turn off some stuff in the framebuffer - but what? */ +} + +/* the DCON seems to get confused if we change DCONLOAD too + * frequently -- i.e., approximately faster than frame time. + * normally we don't change it this fast, so in general we won't + * delay here. + */ +static void dcon_load_holdoff(struct dcon_priv *dcon) +{ + ktime_t delta_t, now; + + while (1) { + now = ktime_get(); + delta_t = ktime_sub(now, dcon->load_time); + if (ktime_to_ns(delta_t) > NSEC_PER_MSEC * 20) + break; + mdelay(4); + } +} + +static bool dcon_blank_fb(struct dcon_priv *dcon, bool blank) +{ + int err; + + console_lock(); + if (!lock_fb_info(dcon->fbinfo)) { + console_unlock(); + dev_err(&dcon->client->dev, "unable to lock framebuffer\n"); + return false; + } + + dcon->ignore_fb_events = true; + err = fb_blank(dcon->fbinfo, + blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK); + dcon->ignore_fb_events = false; + unlock_fb_info(dcon->fbinfo); + console_unlock(); + + if (err) { + dev_err(&dcon->client->dev, "couldn't %sblank framebuffer\n", + blank ? "" : "un"); + return false; + } + return true; +} + +/* Set the source of the display (CPU or DCON) */ +static void dcon_source_switch(struct work_struct *work) +{ + struct dcon_priv *dcon = container_of(work, struct dcon_priv, + switch_source); + int source = dcon->pending_src; + + if (dcon->curr_src == source) + return; + + dcon_load_holdoff(dcon); + + dcon->switched = false; + + switch (source) { + case DCON_SOURCE_CPU: + pr_info("dcon_source_switch to CPU\n"); + /* Enable the scanline interrupt bit */ + if (dcon_write(dcon, DCON_REG_MODE, + dcon->disp_mode | MODE_SCAN_INT)) + pr_err("couldn't enable scanline interrupt!\n"); + else + /* Wait up to one second for the scanline interrupt */ + wait_event_timeout(dcon->waitq, dcon->switched, HZ); + + if (!dcon->switched) + pr_err("Timeout entering CPU mode; expect a screen glitch.\n"); + + /* Turn off the scanline interrupt */ + if (dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode)) + pr_err("couldn't disable scanline interrupt!\n"); + + /* + * Ideally we'd like to disable interrupts here so that the + * fb unblanking and DCON turn on happen at a known time value; + * however, we can't do that right now with fb_blank + * messing with semaphores. + * + * For now, we just hope.. + */ + if (!dcon_blank_fb(dcon, false)) { + pr_err("Failed to enter CPU mode\n"); + dcon->pending_src = DCON_SOURCE_DCON; + return; + } + + /* And turn off the DCON */ + pdata->set_dconload(1); + dcon->load_time = ktime_get(); + + pr_info("The CPU has control\n"); + break; + case DCON_SOURCE_DCON: + { + ktime_t delta_t; + + pr_info("dcon_source_switch to DCON\n"); + + /* Clear DCONLOAD - this implies that the DCON is in control */ + pdata->set_dconload(0); + dcon->load_time = ktime_get(); + + wait_event_timeout(dcon->waitq, dcon->switched, HZ/2); + + if (!dcon->switched) { + pr_err("Timeout entering DCON mode; expect a screen glitch.\n"); + } else { + /* sometimes the DCON doesn't follow its own rules, + * and doesn't wait for two vsync pulses before + * ack'ing the frame load with an IRQ. the result + * is that the display shows the *previously* + * loaded frame. we can detect this by looking at + * the time between asserting DCONLOAD and the IRQ -- + * if it's less than 20msec, then the DCON couldn't + * have seen two VSYNC pulses. in that case we + * deassert and reassert, and hope for the best. + * see http://dev.laptop.org/ticket/9664 + */ + delta_t = ktime_sub(dcon->irq_time, dcon->load_time); + if (dcon->switched && ktime_to_ns(delta_t) + < NSEC_PER_MSEC * 20) { + pr_err("missed loading, retrying\n"); + pdata->set_dconload(1); + mdelay(41); + pdata->set_dconload(0); + dcon->load_time = ktime_get(); + mdelay(41); + } + } + + dcon_blank_fb(dcon, true); + pr_info("The DCON has control\n"); + break; + } + default: + BUG(); + } + + dcon->curr_src = source; +} + +static void dcon_set_source(struct dcon_priv *dcon, int arg) +{ + if (dcon->pending_src == arg) + return; + + dcon->pending_src = arg; + + if (dcon->curr_src != arg) + schedule_work(&dcon->switch_source); +} + +static void dcon_set_source_sync(struct dcon_priv *dcon, int arg) +{ + dcon_set_source(dcon, arg); + flush_scheduled_work(); +} + +static ssize_t dcon_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%4.4X\n", dcon->disp_mode); +} + +static ssize_t dcon_sleep_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", dcon->asleep); +} + +static ssize_t dcon_freeze_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", dcon->curr_src == DCON_SOURCE_DCON ? 1 : 0); +} + +static ssize_t dcon_mono_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", dcon->mono); +} + +static ssize_t dcon_resumeline_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", resumeline); +} + +static ssize_t dcon_mono_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned long enable_mono; + int rc; + + rc = kstrtoul(buf, 10, &enable_mono); + if (rc) + return rc; + + dcon_set_mono_mode(dev_get_drvdata(dev), enable_mono ? true : false); + + return count; +} + +static ssize_t dcon_freeze_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + unsigned long output; + int ret; + + ret = kstrtoul(buf, 10, &output); + if (ret) + return ret; + + pr_info("dcon_freeze_store: %lu\n", output); + + switch (output) { + case 0: + dcon_set_source(dcon, DCON_SOURCE_CPU); + break; + case 1: + dcon_set_source_sync(dcon, DCON_SOURCE_DCON); + break; + case 2: /* normally unused */ + dcon_set_source(dcon, DCON_SOURCE_DCON); + break; + default: + return -EINVAL; + } + + return count; +} + +static ssize_t dcon_resumeline_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned short rl; + int rc; + + rc = kstrtou16(buf, 10, &rl); + if (rc) + return rc; + + resumeline = rl; + dcon_write(dev_get_drvdata(dev), DCON_REG_SCAN_INT, resumeline); + + return count; +} + +static ssize_t dcon_sleep_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned long output; + int ret; + + ret = kstrtoul(buf, 10, &output); + if (ret) + return ret; + + dcon_sleep(dev_get_drvdata(dev), output ? true : false); + return count; +} + +static struct device_attribute dcon_device_files[] = { + __ATTR(mode, 0444, dcon_mode_show, NULL), + __ATTR(sleep, 0644, dcon_sleep_show, dcon_sleep_store), + __ATTR(freeze, 0644, dcon_freeze_show, dcon_freeze_store), + __ATTR(monochrome, 0644, dcon_mono_show, dcon_mono_store), + __ATTR(resumeline, 0644, dcon_resumeline_show, dcon_resumeline_store), +}; + +static int dcon_bl_update(struct backlight_device *dev) +{ + struct dcon_priv *dcon = bl_get_data(dev); + u8 level = dev->props.brightness & 0x0F; + + if (dev->props.power != FB_BLANK_UNBLANK) + level = 0; + + if (level != dcon->bl_val) + dcon_set_backlight(dcon, level); + + /* power down the DCON when the screen is blanked */ + if (!dcon->ignore_fb_events) + dcon_sleep(dcon, !!(dev->props.state & BL_CORE_FBBLANK)); + + return 0; +} + +static int dcon_bl_get(struct backlight_device *dev) +{ + struct dcon_priv *dcon = bl_get_data(dev); + + return dcon->bl_val; +} + +static const struct backlight_ops dcon_bl_ops = { + .update_status = dcon_bl_update, + .get_brightness = dcon_bl_get, +}; + +static struct backlight_properties dcon_bl_props = { + .max_brightness = 15, + .type = BACKLIGHT_RAW, + .power = FB_BLANK_UNBLANK, +}; + +static int dcon_reboot_notify(struct notifier_block *nb, + unsigned long foo, void *bar) +{ + struct dcon_priv *dcon = container_of(nb, struct dcon_priv, reboot_nb); + + if (!dcon || !dcon->client) + return NOTIFY_DONE; + + /* Turn off the DCON. Entirely. */ + dcon_write(dcon, DCON_REG_MODE, 0x39); + dcon_write(dcon, DCON_REG_MODE, 0x32); + return NOTIFY_DONE; +} + +static int unfreeze_on_panic(struct notifier_block *nb, + unsigned long e, void *p) +{ + pdata->set_dconload(1); + return NOTIFY_DONE; +} + +static struct notifier_block dcon_panic_nb = { + .notifier_call = unfreeze_on_panic, +}; + +static int dcon_detect(struct i2c_client *client, struct i2c_board_info *info) +{ + strlcpy(info->type, "olpc_dcon", I2C_NAME_SIZE); + + return 0; +} + +static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct dcon_priv *dcon; + int rc, i, j; + + if (!pdata) + return -ENXIO; + + dcon = kzalloc(sizeof(*dcon), GFP_KERNEL); + if (!dcon) + return -ENOMEM; + + dcon->client = client; + init_waitqueue_head(&dcon->waitq); + INIT_WORK(&dcon->switch_source, dcon_source_switch); + dcon->reboot_nb.notifier_call = dcon_reboot_notify; + dcon->reboot_nb.priority = -1; + + i2c_set_clientdata(client, dcon); + + if (num_registered_fb < 1) { + dev_err(&client->dev, "DCON driver requires a registered fb\n"); + rc = -EIO; + goto einit; + } + dcon->fbinfo = registered_fb[0]; + + rc = dcon_hw_init(dcon, 1); + if (rc) + goto einit; + + /* Add the DCON device */ + + dcon_device = platform_device_alloc("dcon", -1); + + if (!dcon_device) { + pr_err("Unable to create the DCON device\n"); + rc = -ENOMEM; + goto eirq; + } + rc = platform_device_add(dcon_device); + platform_set_drvdata(dcon_device, dcon); + + if (rc) { + pr_err("Unable to add the DCON device\n"); + goto edev; + } + + for (i = 0; i < ARRAY_SIZE(dcon_device_files); i++) { + rc = device_create_file(&dcon_device->dev, + &dcon_device_files[i]); + if (rc) { + dev_err(&dcon_device->dev, "Cannot create sysfs file\n"); + goto ecreate; + } + } + + dcon->bl_val = dcon_read(dcon, DCON_REG_BRIGHT) & 0x0F; + + /* Add the backlight device for the DCON */ + dcon_bl_props.brightness = dcon->bl_val; + dcon->bl_dev = backlight_device_register("dcon-bl", &dcon_device->dev, + dcon, &dcon_bl_ops, &dcon_bl_props); + if (IS_ERR(dcon->bl_dev)) { + dev_err(&client->dev, "cannot register backlight dev (%ld)\n", + PTR_ERR(dcon->bl_dev)); + dcon->bl_dev = NULL; + } + + register_reboot_notifier(&dcon->reboot_nb); + atomic_notifier_chain_register(&panic_notifier_list, &dcon_panic_nb); + + return 0; + + ecreate: + for (j = 0; j < i; j++) + device_remove_file(&dcon_device->dev, &dcon_device_files[j]); + edev: + platform_device_unregister(dcon_device); + dcon_device = NULL; + eirq: + free_irq(DCON_IRQ, dcon); + einit: + kfree(dcon); + return rc; +} + +static int dcon_remove(struct i2c_client *client) +{ + struct dcon_priv *dcon = i2c_get_clientdata(client); + + unregister_reboot_notifier(&dcon->reboot_nb); + atomic_notifier_chain_unregister(&panic_notifier_list, &dcon_panic_nb); + + free_irq(DCON_IRQ, dcon); + + backlight_device_unregister(dcon->bl_dev); + + if (dcon_device) + platform_device_unregister(dcon_device); + cancel_work_sync(&dcon->switch_source); + + kfree(dcon); + + return 0; +} + +#ifdef CONFIG_PM +static int dcon_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct dcon_priv *dcon = i2c_get_clientdata(client); + + if (!dcon->asleep) { + /* Set up the DCON to have the source */ + dcon_set_source_sync(dcon, DCON_SOURCE_DCON); + } + + return 0; +} + +static int dcon_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct dcon_priv *dcon = i2c_get_clientdata(client); + + if (!dcon->asleep) { + dcon_bus_stabilize(dcon, 0); + dcon_set_source(dcon, DCON_SOURCE_CPU); + } + + return 0; +} + +#else + +#define dcon_suspend NULL +#define dcon_resume NULL + +#endif /* CONFIG_PM */ + +irqreturn_t dcon_interrupt(int irq, void *id) +{ + struct dcon_priv *dcon = id; + u8 status; + + if (pdata->read_status(&status)) + return IRQ_NONE; + + switch (status & 3) { + case 3: + pr_debug("DCONLOAD_MISSED interrupt\n"); + break; + + case 2: /* switch to DCON mode */ + case 1: /* switch to CPU mode */ + dcon->switched = true; + dcon->irq_time = ktime_get(); + wake_up(&dcon->waitq); + break; + + case 0: + /* workaround resume case: the DCON (on 1.5) doesn't + * ever assert status 0x01 when switching to CPU mode + * during resume. this is because DCONLOAD is de-asserted + * _immediately_ upon exiting S3, so the actual release + * of the DCON happened long before this point. + * see http://dev.laptop.org/ticket/9869 + */ + if (dcon->curr_src != dcon->pending_src && !dcon->switched) { + dcon->switched = true; + dcon->irq_time = ktime_get(); + wake_up(&dcon->waitq); + pr_debug("switching w/ status 0/0\n"); + } else { + pr_debug("scanline interrupt w/CPU\n"); + } + } + + return IRQ_HANDLED; +} + +static const struct dev_pm_ops dcon_pm_ops = { + .suspend = dcon_suspend, + .resume = dcon_resume, +}; + +static const struct i2c_device_id dcon_idtable[] = { + { "olpc_dcon", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, dcon_idtable); + +static struct i2c_driver dcon_driver = { + .driver = { + .name = "olpc_dcon", + .pm = &dcon_pm_ops, + }, + .class = I2C_CLASS_DDC | I2C_CLASS_HWMON, + .id_table = dcon_idtable, + .probe = dcon_probe, + .remove = dcon_remove, + .detect = dcon_detect, + .address_list = normal_i2c, +}; + +static int __init olpc_dcon_init(void) +{ +#ifdef CONFIG_FB_OLPC_DCON_1_5 + /* XO-1.5 */ + if (olpc_board_at_least(olpc_board(0xd0))) + pdata = &dcon_pdata_xo_1_5; +#endif +#ifdef CONFIG_FB_OLPC_DCON_1 + if (!pdata) + pdata = &dcon_pdata_xo_1; +#endif + + return i2c_add_driver(&dcon_driver); +} + +static void __exit olpc_dcon_exit(void) +{ + i2c_del_driver(&dcon_driver); +} + +module_init(olpc_dcon_init); +module_exit(olpc_dcon_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/olpc_dcon/olpc_dcon.h b/drivers/staging/olpc_dcon/olpc_dcon.h new file mode 100644 index 000000000000..215e7ec4dea2 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon.h @@ -0,0 +1,111 @@ +#ifndef OLPC_DCON_H_ +#define OLPC_DCON_H_ + +#include <linux/notifier.h> +#include <linux/workqueue.h> + +/* DCON registers */ + +#define DCON_REG_ID 0 +#define DCON_REG_MODE 1 + +#define MODE_PASSTHRU (1<<0) +#define MODE_SLEEP (1<<1) +#define MODE_SLEEP_AUTO (1<<2) +#define MODE_BL_ENABLE (1<<3) +#define MODE_BLANK (1<<4) +#define MODE_CSWIZZLE (1<<5) +#define MODE_COL_AA (1<<6) +#define MODE_MONO_LUMA (1<<7) +#define MODE_SCAN_INT (1<<8) +#define MODE_CLOCKDIV (1<<9) +#define MODE_DEBUG (1<<14) +#define MODE_SELFTEST (1<<15) + +#define DCON_REG_HRES 0x2 +#define DCON_REG_HTOTAL 0x3 +#define DCON_REG_HSYNC_WIDTH 0x4 +#define DCON_REG_VRES 0x5 +#define DCON_REG_VTOTAL 0x6 +#define DCON_REG_VSYNC_WIDTH 0x7 +#define DCON_REG_TIMEOUT 0x8 +#define DCON_REG_SCAN_INT 0x9 +#define DCON_REG_BRIGHT 0xa +#define DCON_REG_MEM_OPT_A 0x41 +#define DCON_REG_MEM_OPT_B 0x42 + +/* Load Delay Locked Loop (DLL) settings for clock delay */ +#define MEM_DLL_CLOCK_DELAY (1<<0) +/* Memory controller power down function */ +#define MEM_POWER_DOWN (1<<8) +/* Memory controller software reset */ +#define MEM_SOFT_RESET (1<<0) + +/* Status values */ + +#define DCONSTAT_SCANINT 0 +#define DCONSTAT_SCANINT_DCON 1 +#define DCONSTAT_DISPLAYLOAD 2 +#define DCONSTAT_MISSED 3 + +/* Source values */ + +#define DCON_SOURCE_DCON 0 +#define DCON_SOURCE_CPU 1 + +/* Interrupt */ +#define DCON_IRQ 6 + +struct dcon_priv { + struct i2c_client *client; + struct fb_info *fbinfo; + struct backlight_device *bl_dev; + + wait_queue_head_t waitq; + struct work_struct switch_source; + struct notifier_block reboot_nb; + + /* Shadow register for the DCON_REG_MODE register */ + u8 disp_mode; + + /* The current backlight value - this saves us some smbus traffic */ + u8 bl_val; + + /* Current source, initialized at probe time */ + int curr_src; + + /* Desired source */ + int pending_src; + + /* Variables used during switches */ + bool switched; + ktime_t irq_time; + ktime_t load_time; + + /* Current output type; true == mono, false == color */ + bool mono; + bool asleep; + /* This get set while controlling fb blank state from the driver */ + bool ignore_fb_events; +}; + +struct dcon_platform_data { + int (*init)(struct dcon_priv *); + void (*bus_stabilize_wiggle)(void); + void (*set_dconload)(int); + int (*read_status)(u8 *); +}; + +#include <linux/interrupt.h> + +irqreturn_t dcon_interrupt(int irq, void *id); + +#ifdef CONFIG_FB_OLPC_DCON_1 +extern struct dcon_platform_data dcon_pdata_xo_1; +#endif + +#ifdef CONFIG_FB_OLPC_DCON_1_5 +extern struct dcon_platform_data dcon_pdata_xo_1_5; +#endif + +#endif diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c new file mode 100644 index 000000000000..0c5a10c69401 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c @@ -0,0 +1,205 @@ +/* + * Mainly by David Woodhouse, somewhat modified by Jordan Crouse + * + * Copyright © 2006-2007 Red Hat, Inc. + * Copyright © 2006-2007 Advanced Micro Devices, Inc. + * Copyright © 2009 VIA Technology, Inc. + * Copyright (c) 2010 Andres Salomon <[email protected]> + * + * This program is free software. You can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/cs5535.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <asm/olpc.h> + +#include "olpc_dcon.h" + +static int dcon_init_xo_1(struct dcon_priv *dcon) +{ + unsigned char lob; + + if (gpio_request(OLPC_GPIO_DCON_STAT0, "OLPC-DCON")) { + pr_err("failed to request STAT0 GPIO\n"); + return -EIO; + } + if (gpio_request(OLPC_GPIO_DCON_STAT1, "OLPC-DCON")) { + pr_err("failed to request STAT1 GPIO\n"); + goto err_gp_stat1; + } + if (gpio_request(OLPC_GPIO_DCON_IRQ, "OLPC-DCON")) { + pr_err("failed to request IRQ GPIO\n"); + goto err_gp_irq; + } + if (gpio_request(OLPC_GPIO_DCON_LOAD, "OLPC-DCON")) { + pr_err("failed to request LOAD GPIO\n"); + goto err_gp_load; + } + if (gpio_request(OLPC_GPIO_DCON_BLANK, "OLPC-DCON")) { + pr_err("failed to request BLANK GPIO\n"); + goto err_gp_blank; + } + + /* Turn off the event enable for GPIO7 just to be safe */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_EVENTS_ENABLE); + + /* + * Determine the current state by reading the GPIO bit; earlier + * stages of the boot process have established the state. + * + * Note that we read GPIO_OUTPUT_VAL rather than GPIO_READ_BACK here; + * this is because OFW will disable input for the pin and set a value.. + * READ_BACK will only contain a valid value if input is enabled and + * then a value is set. So, future readings of the pin can use + * READ_BACK, but the first one cannot. Awesome, huh? + */ + dcon->curr_src = cs5535_gpio_isset(OLPC_GPIO_DCON_LOAD, GPIO_OUTPUT_VAL) + ? DCON_SOURCE_CPU + : DCON_SOURCE_DCON; + dcon->pending_src = dcon->curr_src; + + /* Set the directions for the GPIO pins */ + gpio_direction_input(OLPC_GPIO_DCON_STAT0); + gpio_direction_input(OLPC_GPIO_DCON_STAT1); + gpio_direction_input(OLPC_GPIO_DCON_IRQ); + gpio_direction_input(OLPC_GPIO_DCON_BLANK); + gpio_direction_output(OLPC_GPIO_DCON_LOAD, + dcon->curr_src == DCON_SOURCE_CPU); + + /* Set up the interrupt mappings */ + + /* Set the IRQ to pair 2 */ + cs5535_gpio_setup_event(OLPC_GPIO_DCON_IRQ, 2, 0); + + /* Enable group 2 to trigger the DCON interrupt */ + cs5535_gpio_set_irq(2, DCON_IRQ); + + /* Select edge level for interrupt (in PIC) */ + lob = inb(0x4d0); + lob &= ~(1 << DCON_IRQ); + outb(lob, 0x4d0); + + /* Register the interrupt handler */ + if (request_irq(DCON_IRQ, &dcon_interrupt, 0, "DCON", dcon)) { + pr_err("failed to request DCON's irq\n"); + goto err_req_irq; + } + + /* Clear INV_EN for GPIO7 (DCONIRQ) */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_INPUT_INVERT); + + /* Enable filter for GPIO12 (DCONBLANK) */ + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_INPUT_FILTER); + + /* Disable filter for GPIO7 */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_INPUT_FILTER); + + /* Disable event counter for GPIO7 (DCONIRQ) and GPIO12 (DCONBLANK) */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_INPUT_EVENT_COUNT); + cs5535_gpio_clear(OLPC_GPIO_DCON_BLANK, GPIO_INPUT_EVENT_COUNT); + + /* Add GPIO12 to the Filter Event Pair #7 */ + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_FE7_SEL); + + /* Turn off negative Edge Enable for GPIO12 */ + cs5535_gpio_clear(OLPC_GPIO_DCON_BLANK, GPIO_NEGATIVE_EDGE_EN); + + /* Enable negative Edge Enable for GPIO7 */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_NEGATIVE_EDGE_EN); + + /* Zero the filter amount for Filter Event Pair #7 */ + cs5535_gpio_set(0, GPIO_FLTR7_AMOUNT); + + /* Clear the negative edge status for GPIO7 and GPIO12 */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_NEGATIVE_EDGE_STS); + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_NEGATIVE_EDGE_STS); + + /* FIXME: Clear the positive status as well, just to be sure */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_POSITIVE_EDGE_STS); + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_POSITIVE_EDGE_STS); + + /* Enable events for GPIO7 (DCONIRQ) and GPIO12 (DCONBLANK) */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_EVENTS_ENABLE); + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_EVENTS_ENABLE); + + return 0; + +err_req_irq: + gpio_free(OLPC_GPIO_DCON_BLANK); +err_gp_blank: + gpio_free(OLPC_GPIO_DCON_LOAD); +err_gp_load: + gpio_free(OLPC_GPIO_DCON_IRQ); +err_gp_irq: + gpio_free(OLPC_GPIO_DCON_STAT1); +err_gp_stat1: + gpio_free(OLPC_GPIO_DCON_STAT0); + return -EIO; +} + +static void dcon_wiggle_xo_1(void) +{ + int x; + + /* + * According to HiMax, when powering the DCON up we should hold + * SMB_DATA high for 8 SMB_CLK cycles. This will force the DCON + * state machine to reset to a (sane) initial state. Mitch Bradley + * did some testing and discovered that holding for 16 SMB_CLK cycles + * worked a lot more reliably, so that's what we do here. + * + * According to the cs5536 spec, to set GPIO14 to SMB_CLK we must + * simultaneously set AUX1 IN/OUT to GPIO14; ditto for SMB_DATA and + * GPIO15. + */ + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_VAL); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_VAL); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_ENABLE); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_ENABLE); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_AUX1); + cs5535_gpio_clear(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_AUX1); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_AUX2); + cs5535_gpio_clear(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_AUX2); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_INPUT_AUX1); + cs5535_gpio_clear(OLPC_GPIO_SMB_DATA, GPIO_INPUT_AUX1); + + for (x = 0; x < 16; x++) { + udelay(5); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_VAL); + udelay(5); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_VAL); + } + udelay(5); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_AUX1); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_AUX1); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_INPUT_AUX1); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_INPUT_AUX1); +} + +static void dcon_set_dconload_1(int val) +{ + gpio_set_value(OLPC_GPIO_DCON_LOAD, val); +} + +static int dcon_read_status_xo_1(u8 *status) +{ + *status = gpio_get_value(OLPC_GPIO_DCON_STAT0); + *status |= gpio_get_value(OLPC_GPIO_DCON_STAT1) << 1; + + /* Clear the negative edge status for GPIO7 */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_NEGATIVE_EDGE_STS); + + return 0; +} + +struct dcon_platform_data dcon_pdata_xo_1 = { + .init = dcon_init_xo_1, + .bus_stabilize_wiggle = dcon_wiggle_xo_1, + .set_dconload = dcon_set_dconload_1, + .read_status = dcon_read_status_xo_1, +}; diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c new file mode 100644 index 000000000000..6a4d379c16a3 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2009,2010 One Laptop per Child + * + * This program is free software. You can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/acpi.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <asm/olpc.h> + +/* TODO: this eventually belongs in linux/vx855.h */ +#define NR_VX855_GPI 14 +#define NR_VX855_GPO 13 +#define NR_VX855_GPIO 15 + +#define VX855_GPI(n) (n) +#define VX855_GPO(n) (NR_VX855_GPI + (n)) +#define VX855_GPIO(n) (NR_VX855_GPI + NR_VX855_GPO + (n)) + +#include "olpc_dcon.h" + +/* Hardware setup on the XO 1.5: + * DCONLOAD connects to VX855_GPIO1 (not SMBCK2) + * DCONBLANK connects to VX855_GPIO8 (not SSPICLK) unused in driver + * DCONSTAT0 connects to VX855_GPI10 (not SSPISDI) + * DCONSTAT1 connects to VX855_GPI11 (not nSSPISS) + * DCONIRQ connects to VX855_GPIO12 + * DCONSMBDATA connects to VX855 graphics CRTSPD + * DCONSMBCLK connects to VX855 graphics CRTSPCLK + */ + +#define VX855_GENL_PURPOSE_OUTPUT 0x44c /* PMIO_Rx4c-4f */ +#define VX855_GPI_STATUS_CHG 0x450 /* PMIO_Rx50 */ +#define VX855_GPI_SCI_SMI 0x452 /* PMIO_Rx52 */ +#define BIT_GPIO12 0x40 + +#define PREFIX "OLPC DCON:" + +static void dcon_clear_irq(void) +{ + /* irq status will appear in PMIO_Rx50[6] (RW1C) on gpio12 */ + outb(BIT_GPIO12, VX855_GPI_STATUS_CHG); +} + +static int dcon_was_irq(void) +{ + u_int8_t tmp; + + /* irq status will appear in PMIO_Rx50[6] on gpio12 */ + tmp = inb(VX855_GPI_STATUS_CHG); + return !!(tmp & BIT_GPIO12); + + return 0; +} + +static int dcon_init_xo_1_5(struct dcon_priv *dcon) +{ + unsigned int irq; + + dcon_clear_irq(); + + /* set PMIO_Rx52[6] to enable SCI/SMI on gpio12 */ + outb(inb(VX855_GPI_SCI_SMI)|BIT_GPIO12, VX855_GPI_SCI_SMI); + + /* Determine the current state of DCONLOAD, likely set by firmware */ + /* GPIO1 */ + dcon->curr_src = (inl(VX855_GENL_PURPOSE_OUTPUT) & 0x1000) ? + DCON_SOURCE_CPU : DCON_SOURCE_DCON; + dcon->pending_src = dcon->curr_src; + + /* we're sharing the IRQ with ACPI */ + irq = acpi_gbl_FADT.sci_interrupt; + if (request_irq(irq, &dcon_interrupt, IRQF_SHARED, "DCON", dcon)) { + pr_err("DCON (IRQ%d) allocation failed\n", irq); + return 1; + } + + return 0; +} + +static void set_i2c_line(int sda, int scl) +{ + unsigned char tmp; + unsigned int port = 0x26; + + /* FIXME: This directly accesses the CRT GPIO controller !!! */ + outb(port, 0x3c4); + tmp = inb(0x3c5); + + if (scl) + tmp |= 0x20; + else + tmp &= ~0x20; + + if (sda) + tmp |= 0x10; + else + tmp &= ~0x10; + + tmp |= 0x01; + + outb(port, 0x3c4); + outb(tmp, 0x3c5); +} + + +static void dcon_wiggle_xo_1_5(void) +{ + int x; + + /* + * According to HiMax, when powering the DCON up we should hold + * SMB_DATA high for 8 SMB_CLK cycles. This will force the DCON + * state machine to reset to a (sane) initial state. Mitch Bradley + * did some testing and discovered that holding for 16 SMB_CLK cycles + * worked a lot more reliably, so that's what we do here. + */ + set_i2c_line(1, 1); + + for (x = 0; x < 16; x++) { + udelay(5); + set_i2c_line(1, 0); + udelay(5); + set_i2c_line(1, 1); + } + udelay(5); + + /* set PMIO_Rx52[6] to enable SCI/SMI on gpio12 */ + outb(inb(VX855_GPI_SCI_SMI)|BIT_GPIO12, VX855_GPI_SCI_SMI); +} + +static void dcon_set_dconload_xo_1_5(int val) +{ + gpio_set_value(VX855_GPIO(1), val); +} + +static int dcon_read_status_xo_1_5(u8 *status) +{ + if (!dcon_was_irq()) + return -1; + + /* i believe this is the same as "inb(0x44b) & 3" */ + *status = gpio_get_value(VX855_GPI(10)); + *status |= gpio_get_value(VX855_GPI(11)) << 1; + + dcon_clear_irq(); + + return 0; +} + +struct dcon_platform_data dcon_pdata_xo_1_5 = { + .init = dcon_init_xo_1_5, + .bus_stabilize_wiggle = dcon_wiggle_xo_1_5, + .set_dconload = dcon_set_dconload_xo_1_5, + .read_status = dcon_read_status_xo_1_5, +}; diff --git a/drivers/staging/rdma/hfi1/Kconfig b/drivers/staging/rdma/hfi1/Kconfig index 3e668d852f03..a925fb0db706 100644 --- a/drivers/staging/rdma/hfi1/Kconfig +++ b/drivers/staging/rdma/hfi1/Kconfig @@ -2,6 +2,7 @@ config INFINIBAND_HFI1 tristate "Intel OPA Gen1 support" depends on X86_64 && INFINIBAND_RDMAVT select MMU_NOTIFIER + select CRC32 default m ---help--- This is a low-level driver for Intel OPA Gen1 adapter. diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 8d26ed79bb4c..9b04d72e752e 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2049,14 +2049,13 @@ static struct tty_struct *tty_open_by_driver(dev_t device, struct inode *inode, if (tty) { mutex_unlock(&tty_mutex); retval = tty_lock_interruptible(tty); + tty_kref_put(tty); /* drop kref from tty_driver_lookup_tty() */ if (retval) { if (retval == -EINTR) retval = -ERESTARTSYS; tty = ERR_PTR(retval); goto out; } - /* safe to drop the kref from tty_driver_lookup_tty() */ - tty_kref_put(tty); retval = tty_reopen(tty); if (retval < 0) { tty_unlock(tty); @@ -2158,7 +2157,7 @@ retry_open: read_lock(&tasklist_lock); spin_lock_irq(¤t->sighand->siglock); noctty = (filp->f_flags & O_NOCTTY) || - device == MKDEV(TTY_MAJOR, 0) || + (IS_ENABLED(CONFIG_VT) && device == MKDEV(TTY_MAJOR, 0)) || device == MKDEV(TTYAUX_MAJOR, 1) || (tty->driver->type == TTY_DRIVER_TYPE_PTY && tty->driver->subtype == PTY_TYPE_MASTER); diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 5eb1a87228b4..31ccdccd7a04 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -75,8 +75,6 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, * be the first thing immediately following the endpoint descriptor. */ desc = (struct usb_ss_ep_comp_descriptor *) buffer; - buffer += desc->bLength; - size -= desc->bLength; if (desc->bDescriptorType != USB_DT_SS_ENDPOINT_COMP || size < USB_DT_SS_EP_COMP_SIZE) { @@ -100,7 +98,8 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, ep->desc.wMaxPacketSize; return; } - + buffer += desc->bLength; + size -= desc->bLength; memcpy(&ep->ss_ep_comp, desc, USB_DT_SS_EP_COMP_SIZE); /* Check the various values */ @@ -146,12 +145,6 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, ep->ss_ep_comp.bmAttributes = 2; } - /* Parse a possible SuperSpeedPlus isoc ep companion descriptor */ - if (usb_endpoint_xfer_isoc(&ep->desc) && - USB_SS_SSP_ISOC_COMP(desc->bmAttributes)) - usb_parse_ssp_isoc_endpoint_companion(ddev, cfgno, inum, asnum, - ep, buffer, size); - if (usb_endpoint_xfer_isoc(&ep->desc)) max_tx = (desc->bMaxBurst + 1) * (USB_SS_MULT(desc->bmAttributes)) * @@ -171,6 +164,11 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, max_tx); ep->ss_ep_comp.wBytesPerInterval = cpu_to_le16(max_tx); } + /* Parse a possible SuperSpeedPlus isoc ep companion descriptor */ + if (usb_endpoint_xfer_isoc(&ep->desc) && + USB_SS_SSP_ISOC_COMP(desc->bmAttributes)) + usb_parse_ssp_isoc_endpoint_companion(ddev, cfgno, inum, asnum, + ep, buffer, size); } static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index e9940dd004e4..818f158232bb 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2254,6 +2254,7 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, { u32 intmsk; u32 val; + u32 usbcfg; /* Kill any ep0 requests as controller will be reinitialized */ kill_all_requests(hsotg, hsotg->eps_out[0], -ECONNRESET); @@ -2267,10 +2268,16 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, * set configuration. */ + /* keep other bits untouched (so e.g. forced modes are not lost) */ + usbcfg = dwc2_readl(hsotg->regs + GUSBCFG); + usbcfg &= ~(GUSBCFG_TOUTCAL_MASK | GUSBCFG_PHYIF16 | GUSBCFG_SRPCAP | + GUSBCFG_HNPCAP); + /* set the PLL on, remove the HNP/SRP and set the PHY */ val = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5; - dwc2_writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) | - (val << GUSBCFG_USBTRDTIM_SHIFT), hsotg->regs + GUSBCFG); + usbcfg |= hsotg->phyif | GUSBCFG_TOUTCAL(7) | + (val << GUSBCFG_USBTRDTIM_SHIFT); + dwc2_writel(usbcfg, hsotg->regs + GUSBCFG); dwc2_hsotg_init_fifo(hsotg); @@ -3031,6 +3038,7 @@ static struct usb_ep_ops dwc2_hsotg_ep_ops = { static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg) { u32 trdtim; + u32 usbcfg; /* unmask subset of endpoint interrupts */ dwc2_writel(DIEPMSK_TIMEOUTMSK | DIEPMSK_AHBERRMSK | @@ -3054,11 +3062,16 @@ static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg) dwc2_hsotg_init_fifo(hsotg); + /* keep other bits untouched (so e.g. forced modes are not lost) */ + usbcfg = dwc2_readl(hsotg->regs + GUSBCFG); + usbcfg &= ~(GUSBCFG_TOUTCAL_MASK | GUSBCFG_PHYIF16 | GUSBCFG_SRPCAP | + GUSBCFG_HNPCAP); + /* set the PLL on, remove the HNP/SRP and set the PHY */ trdtim = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5; - dwc2_writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) | - (trdtim << GUSBCFG_USBTRDTIM_SHIFT), - hsotg->regs + GUSBCFG); + usbcfg |= hsotg->phyif | GUSBCFG_TOUTCAL(7) | + (trdtim << GUSBCFG_USBTRDTIM_SHIFT); + dwc2_writel(usbcfg, hsotg->regs + GUSBCFG); if (using_dma(hsotg)) __orr32(hsotg->regs + GAHBCFG, GAHBCFG_DMA_EN); diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 17fd81447c9f..fa20f5a99d12 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -67,23 +67,9 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) static int dwc3_core_soft_reset(struct dwc3 *dwc) { u32 reg; + int retries = 1000; int ret; - /* Before Resetting PHY, put Core in Reset */ - reg = dwc3_readl(dwc->regs, DWC3_GCTL); - reg |= DWC3_GCTL_CORESOFTRESET; - dwc3_writel(dwc->regs, DWC3_GCTL, reg); - - /* Assert USB3 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - reg |= DWC3_GUSB3PIPECTL_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); - - /* Assert USB2 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); - reg |= DWC3_GUSB2PHYCFG_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); - usb_phy_init(dwc->usb2_phy); usb_phy_init(dwc->usb3_phy); ret = phy_init(dwc->usb2_generic_phy); @@ -95,26 +81,28 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) phy_exit(dwc->usb2_generic_phy); return ret; } - mdelay(100); - /* Clear USB3 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - reg &= ~DWC3_GUSB3PIPECTL_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); + /* + * We're resetting only the device side because, if we're in host mode, + * XHCI driver will reset the host block. If dwc3 was configured for + * host-only mode, then we can return early. + */ + if (dwc->dr_mode == USB_DR_MODE_HOST) + return 0; - /* Clear USB2 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); - reg &= ~DWC3_GUSB2PHYCFG_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + reg |= DWC3_DCTL_CSFTRST; + dwc3_writel(dwc->regs, DWC3_DCTL, reg); - mdelay(100); + do { + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + if (!(reg & DWC3_DCTL_CSFTRST)) + return 0; - /* After PHYs are stable we can take Core out of reset state */ - reg = dwc3_readl(dwc->regs, DWC3_GCTL); - reg &= ~DWC3_GCTL_CORESOFTRESET; - dwc3_writel(dwc->regs, DWC3_GCTL, reg); + udelay(1); + } while (--retries); - return 0; + return -ETIMEDOUT; } /** diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c index 2be268d2423d..72664700b8a2 100644 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ b/drivers/usb/dwc3/dwc3-keystone.c @@ -39,8 +39,6 @@ #define USBSS_IRQ_COREIRQ_EN BIT(0) #define USBSS_IRQ_COREIRQ_CLR BIT(0) -static u64 kdwc3_dma_mask; - struct dwc3_keystone { struct device *dev; struct clk *clk; @@ -108,9 +106,6 @@ static int kdwc3_probe(struct platform_device *pdev) if (IS_ERR(kdwc->usbss)) return PTR_ERR(kdwc->usbss); - kdwc3_dma_mask = dma_get_mask(dev); - dev->dma_mask = &kdwc3_dma_mask; - kdwc->clk = devm_clk_get(kdwc->dev, "usb"); error = clk_prepare_enable(kdwc->clk); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 009d83048c8c..adc1e8a624cb 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -35,6 +35,7 @@ #define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30 #define PCI_DEVICE_ID_INTEL_SPTH 0xa130 #define PCI_DEVICE_ID_INTEL_BXT 0x0aaa +#define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa #define PCI_DEVICE_ID_INTEL_APL 0x5aaa static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; @@ -213,6 +214,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, { } /* Terminating Entry */ diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3ac170f9d94d..d54a028cdfeb 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -568,7 +568,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); if (!usb_endpoint_xfer_isoc(desc)) - return 0; + goto out; /* Link TRB for ISOC. The HWO bit is never reset */ trb_st_hw = &dep->trb_pool[0]; @@ -582,9 +582,10 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, trb_link->ctrl |= DWC3_TRB_CTRL_HWO; } +out: switch (usb_endpoint_type(desc)) { case USB_ENDPOINT_XFER_CONTROL: - strlcat(dep->name, "-control", sizeof(dep->name)); + /* don't change name */ break; case USB_ENDPOINT_XFER_ISOC: strlcat(dep->name, "-isoc", sizeof(dep->name)); @@ -2487,7 +2488,11 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) * implemented. */ - dwc->gadget_driver->resume(&dwc->gadget); + if (dwc->gadget_driver && dwc->gadget_driver->resume) { + spin_unlock(&dwc->lock); + dwc->gadget_driver->resume(&dwc->gadget); + spin_lock(&dwc->lock); + } } static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a5c62093c26c..de9ffd60fcfa 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -656,7 +656,8 @@ static int bos_desc(struct usb_composite_dev *cdev) ssp_cap->bmAttributes = cpu_to_le32(1); /* Min RX/TX Lane Count = 1 */ - ssp_cap->wFunctionalitySupport = (1 << 8) | (1 << 12); + ssp_cap->wFunctionalitySupport = + cpu_to_le16((1 << 8) | (1 << 12)); /* * bmSublinkSpeedAttr[0]: @@ -666,7 +667,7 @@ static int bos_desc(struct usb_composite_dev *cdev) * LSM = 10 (10 Gbps) */ ssp_cap->bmSublinkSpeedAttr[0] = - (3 << 4) | (1 << 14) | (0xa << 16); + cpu_to_le32((3 << 4) | (1 << 14) | (0xa << 16)); /* * bmSublinkSpeedAttr[1] = * ST = Symmetric, TX @@ -675,7 +676,8 @@ static int bos_desc(struct usb_composite_dev *cdev) * LSM = 10 (10 Gbps) */ ssp_cap->bmSublinkSpeedAttr[1] = - (3 << 4) | (1 << 14) | (0xa << 16) | (1 << 7); + cpu_to_le32((3 << 4) | (1 << 14) | + (0xa << 16) | (1 << 7)); } return le16_to_cpu(bos->wTotalLength); diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 84c0ee5ebd1e..58fc199a18ec 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -24,6 +24,7 @@ #include <linux/slab.h> #include <linux/device.h> #include <linux/kfifo.h> +#include <linux/spinlock.h> #include <sound/core.h> #include <sound/initval.h> @@ -89,6 +90,7 @@ struct f_midi { unsigned int buflen, qlen; /* This fifo is used as a buffer ring for pre-allocated IN usb_requests */ DECLARE_KFIFO_PTR(in_req_fifo, struct usb_request *); + spinlock_t transmit_lock; unsigned int in_last_port; struct gmidi_in_port in_ports_array[/* in_ports */]; @@ -358,7 +360,9 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* allocate a bunch of read buffers and queue them all at once. */ for (i = 0; i < midi->qlen && err == 0; i++) { struct usb_request *req = - midi_alloc_ep_req(midi->out_ep, midi->buflen); + midi_alloc_ep_req(midi->out_ep, + max_t(unsigned, midi->buflen, + bulk_out_desc.wMaxPacketSize)); if (req == NULL) return -ENOMEM; @@ -597,17 +601,24 @@ static void f_midi_transmit(struct f_midi *midi) { struct usb_ep *ep = midi->in_ep; int ret; + unsigned long flags; /* We only care about USB requests if IN endpoint is enabled */ if (!ep || !ep->enabled) goto drop_out; + spin_lock_irqsave(&midi->transmit_lock, flags); + do { ret = f_midi_do_transmit(midi, ep); - if (ret < 0) + if (ret < 0) { + spin_unlock_irqrestore(&midi->transmit_lock, flags); goto drop_out; + } } while (ret); + spin_unlock_irqrestore(&midi->transmit_lock, flags); + return; drop_out: @@ -1201,6 +1212,8 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) if (status) goto setup_fail; + spin_lock_init(&midi->transmit_lock); + ++opts->refcnt; mutex_unlock(&opts->lock); diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 81d42cce885a..18569de06b04 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1045,20 +1045,6 @@ static void reset_all_endpoints(struct usba_udc *udc) list_del_init(&req->queue); request_complete(ep, req, -ECONNRESET); } - - /* NOTE: normally, the next call to the gadget driver is in - * charge of disabling endpoints... usually disconnect(). - * The exception would be entering a high speed test mode. - * - * FIXME remove this code ... and retest thoroughly. - */ - list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) { - if (ep->ep.desc) { - spin_unlock(&udc->lock); - usba_ep_disable(&ep->ep); - spin_lock(&udc->lock); - } - } } static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex) diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index 4151597e9d28..e4e70e11d0f6 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -371,12 +371,6 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget, INIT_WORK(&gadget->work, usb_gadget_state_work); gadget->dev.parent = parent; -#ifdef CONFIG_HAS_DMA - dma_set_coherent_mask(&gadget->dev, parent->coherent_dma_mask); - gadget->dev.dma_parms = parent->dma_parms; - gadget->dev.dma_mask = parent->dma_mask; -#endif - if (release) gadget->dev.release = release; else diff --git a/drivers/usb/phy/phy-qcom-8x16-usb.c b/drivers/usb/phy/phy-qcom-8x16-usb.c index 579587d97217..3d7af85aecb9 100644 --- a/drivers/usb/phy/phy-qcom-8x16-usb.c +++ b/drivers/usb/phy/phy-qcom-8x16-usb.c @@ -65,9 +65,7 @@ struct phy_8x16 { void __iomem *regs; struct clk *core_clk; struct clk *iface_clk; - struct regulator *v3p3; - struct regulator *v1p8; - struct regulator *vdd; + struct regulator_bulk_data regulator[3]; struct reset_control *phy_reset; @@ -78,51 +76,6 @@ struct phy_8x16 { struct notifier_block reboot_notify; }; -static int phy_8x16_regulators_enable(struct phy_8x16 *qphy) -{ - int ret; - - ret = regulator_set_voltage(qphy->vdd, HSPHY_VDD_MIN, HSPHY_VDD_MAX); - if (ret) - return ret; - - ret = regulator_enable(qphy->vdd); - if (ret) - return ret; - - ret = regulator_set_voltage(qphy->v3p3, HSPHY_3P3_MIN, HSPHY_3P3_MAX); - if (ret) - goto off_vdd; - - ret = regulator_enable(qphy->v3p3); - if (ret) - goto off_vdd; - - ret = regulator_set_voltage(qphy->v1p8, HSPHY_1P8_MIN, HSPHY_1P8_MAX); - if (ret) - goto off_3p3; - - ret = regulator_enable(qphy->v1p8); - if (ret) - goto off_3p3; - - return 0; - -off_3p3: - regulator_disable(qphy->v3p3); -off_vdd: - regulator_disable(qphy->vdd); - - return ret; -} - -static void phy_8x16_regulators_disable(struct phy_8x16 *qphy) -{ - regulator_disable(qphy->v1p8); - regulator_disable(qphy->v3p3); - regulator_disable(qphy->vdd); -} - static int phy_8x16_notify_connect(struct usb_phy *phy, enum usb_device_speed speed) { @@ -261,7 +214,6 @@ static void phy_8x16_shutdown(struct usb_phy *phy) static int phy_8x16_read_devicetree(struct phy_8x16 *qphy) { - struct regulator_bulk_data regs[3]; struct device *dev = qphy->phy.dev; int ret; @@ -273,18 +225,15 @@ static int phy_8x16_read_devicetree(struct phy_8x16 *qphy) if (IS_ERR(qphy->iface_clk)) return PTR_ERR(qphy->iface_clk); - regs[0].supply = "v3p3"; - regs[1].supply = "v1p8"; - regs[2].supply = "vddcx"; + qphy->regulator[0].supply = "v3p3"; + qphy->regulator[1].supply = "v1p8"; + qphy->regulator[2].supply = "vddcx"; - ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(regs), regs); + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(qphy->regulator), + qphy->regulator); if (ret) return ret; - qphy->v3p3 = regs[0].consumer; - qphy->v1p8 = regs[1].consumer; - qphy->vdd = regs[2].consumer; - qphy->phy_reset = devm_reset_control_get(dev, "phy"); if (IS_ERR(qphy->phy_reset)) return PTR_ERR(qphy->phy_reset); @@ -364,8 +313,9 @@ static int phy_8x16_probe(struct platform_device *pdev) if (ret < 0) goto off_core; - ret = phy_8x16_regulators_enable(qphy); - if (0 && ret) + ret = regulator_bulk_enable(ARRAY_SIZE(qphy->regulator), + qphy->regulator); + if (WARN_ON(ret)) goto off_clks; qphy->vbus_notify.notifier_call = phy_8x16_vbus_notify; @@ -387,7 +337,7 @@ off_extcon: extcon_unregister_notifier(qphy->vbus_edev, EXTCON_USB, &qphy->vbus_notify); off_power: - phy_8x16_regulators_disable(qphy); + regulator_bulk_disable(ARRAY_SIZE(qphy->regulator), qphy->regulator); off_clks: clk_disable_unprepare(qphy->iface_clk); off_core: @@ -413,7 +363,7 @@ static int phy_8x16_remove(struct platform_device *pdev) clk_disable_unprepare(qphy->iface_clk); clk_disable_unprepare(qphy->core_clk); - phy_8x16_regulators_disable(qphy); + regulator_bulk_disable(ARRAY_SIZE(qphy->regulator), qphy->regulator); return 0; } diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index b4de70ee16d3..000f9750149f 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -190,7 +190,8 @@ static int usbhsf_pkt_handler(struct usbhs_pipe *pipe, int type) goto __usbhs_pkt_handler_end; } - ret = func(pkt, &is_done); + if (likely(func)) + ret = func(pkt, &is_done); if (is_done) __usbhsf_pkt_del(pkt); @@ -889,6 +890,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; + usbhsf_tx_irq_ctrl(pipe, 0); INIT_WORK(&pkt->work, xfer_work); schedule_work(&pkt->work); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 664b263e4b20..53d104b56ef1 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -158,10 +158,14 @@ static void usbhsg_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) struct usbhs_pipe *pipe = pkt->pipe; struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe); struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt); + unsigned long flags; ureq->req.actual = pkt->actual; - usbhsg_queue_pop(uep, ureq, 0); + usbhs_lock(priv, flags); + if (uep) + __usbhsg_queue_pop(uep, ureq, 0); + usbhs_unlock(priv, flags); } static void usbhsg_queue_push(struct usbhsg_uep *uep, diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fbfe761c7fba..dd47823bb014 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -165,6 +165,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */ { USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */ { USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */ + { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */ { USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index b283eb8b86d6..bbeeb2bd55a8 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -447,6 +447,11 @@ static int cypress_generic_port_probe(struct usb_serial_port *port) struct usb_serial *serial = port->serial; struct cypress_private *priv; + if (!port->interrupt_out_urb || !port->interrupt_in_urb) { + dev_err(&port->dev, "required endpoint is missing\n"); + return -ENODEV; + } + priv = kzalloc(sizeof(struct cypress_private), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -606,12 +611,6 @@ static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port) cypress_set_termios(tty, port, &priv->tmp_termios); /* setup the port and start reading from the device */ - if (!port->interrupt_in_urb) { - dev_err(&port->dev, "%s - interrupt_in_urb is empty!\n", - __func__); - return -1; - } - usb_fill_int_urb(port->interrupt_in_urb, serial->dev, usb_rcvintpipe(serial->dev, port->interrupt_in_endpointAddress), port->interrupt_in_urb->transfer_buffer, diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 010a42a92688..16e8e37b3b36 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -1251,8 +1251,27 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num) static int digi_startup(struct usb_serial *serial) { + struct device *dev = &serial->interface->dev; struct digi_serial *serial_priv; int ret; + int i; + + /* check whether the device has the expected number of endpoints */ + if (serial->num_port_pointers < serial->type->num_ports + 1) { + dev_err(dev, "OOB endpoints missing\n"); + return -ENODEV; + } + + for (i = 0; i < serial->type->num_ports + 1 ; i++) { + if (!serial->port[i]->read_urb) { + dev_err(dev, "bulk-in endpoint missing\n"); + return -ENODEV; + } + if (!serial->port[i]->write_urb) { + dev_err(dev, "bulk-out endpoint missing\n"); + return -ENODEV; + } + } serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL); if (!serial_priv) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 427ae43ee898..3a814e802dee 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1004,6 +1004,10 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) }, { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) }, { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) }, + /* ICP DAS I-756xU devices */ + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) }, + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) }, + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index a84df2513994..c5d6c1e73e8e 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -872,6 +872,14 @@ #define NOVITUS_BONO_E_PID 0x6010 /* + * ICPDAS I-756*U devices + */ +#define ICPDAS_VID 0x1b5c +#define ICPDAS_I7560U_PID 0x0103 +#define ICPDAS_I7561U_PID 0x0104 +#define ICPDAS_I7563U_PID 0x0105 + +/* * RT Systems programming cables for various ham radios */ #define RTSYSTEMS_VID 0x2100 /* Vendor ID */ diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index 4446b8d70ac2..885655315de1 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -376,14 +376,21 @@ static void mct_u232_msr_to_state(struct usb_serial_port *port, static int mct_u232_port_probe(struct usb_serial_port *port) { + struct usb_serial *serial = port->serial; struct mct_u232_private *priv; + /* check first to simplify error handling */ + if (!serial->port[1] || !serial->port[1]->interrupt_in_urb) { + dev_err(&port->dev, "expected endpoint missing\n"); + return -ENODEV; + } + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; /* Use second interrupt-in endpoint for reading. */ - priv->read_urb = port->serial->port[1]->interrupt_in_urb; + priv->read_urb = serial->port[1]->interrupt_in_urb; priv->read_urb->context = port; spin_lock_init(&priv->lock); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 348e19834b83..c6f497f16526 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1818,6 +1818,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) }, { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, + { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index facaaf003f19..e40da7759a0e 100644 --- a/drivers/usb/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c @@ -741,6 +741,17 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb) if (!(size > 0)) return 0; + if (size > urb->transfer_buffer_length) { + /* should not happen, probably malicious packet */ + if (ud->side == USBIP_STUB) { + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + return 0; + } else { + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + return -EPIPE; + } + } + ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size); if (ret != size) { dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret); diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index f6f28cc7eb45..e76bd91a29da 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -17,6 +17,7 @@ * */ +#include <linux/delay.h> #define VIRTIO_PCI_NO_LEGACY #include "virtio_pci_common.h" @@ -271,9 +272,13 @@ static void vp_reset(struct virtio_device *vdev) struct virtio_pci_device *vp_dev = to_vp_device(vdev); /* 0 status means a reset. */ vp_iowrite8(0, &vp_dev->common->device_status); - /* Flush out the status write, and flush in device writes, - * including MSI-X interrupts, if any. */ - vp_ioread8(&vp_dev->common->device_status); + /* After writing 0 to device_status, the driver MUST wait for a read of + * device_status to return 0 before reinitializing the device. + * This will flush out the status write, and flush in device writes, + * including MSI-X interrupts, if any. + */ + while (vp_ioread8(&vp_dev->common->device_status)) + msleep(1); /* Flush pending VQ/configuration callbacks. */ vp_synchronize_vectors(vdev); } diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 77592931ab4f..ec7928a27aaa 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -19,6 +19,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/rbtree.h> +#include <linux/vmalloc.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -5361,10 +5362,13 @@ int btrfs_compare_trees(struct btrfs_root *left_root, goto out; } - tmp_buf = kmalloc(left_root->nodesize, GFP_KERNEL); + tmp_buf = kmalloc(left_root->nodesize, GFP_KERNEL | __GFP_NOWARN); if (!tmp_buf) { - ret = -ENOMEM; - goto out; + tmp_buf = vmalloc(left_root->nodesize); + if (!tmp_buf) { + ret = -ENOMEM; + goto out; + } } left_path->search_commit_root = 1; @@ -5565,7 +5569,7 @@ int btrfs_compare_trees(struct btrfs_root *left_root, out: btrfs_free_path(left_path); btrfs_free_path(right_path); - kfree(tmp_buf); + kvfree(tmp_buf); return ret; } diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index a1d6652e0c47..26bcb487f958 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -394,6 +394,8 @@ int btrfs_dev_replace_start(struct btrfs_root *root, dev_replace->cursor_right = 0; dev_replace->is_valid = 1; dev_replace->item_needs_writeback = 1; + atomic64_set(&dev_replace->num_write_errors, 0); + atomic64_set(&dev_replace->num_uncorrectable_read_errors, 0); args->result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR; btrfs_dev_replace_unlock(dev_replace, 1); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index ce114ba9780a..84e060eb0de8 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -9386,15 +9386,23 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr) u64 dev_min = 1; u64 dev_nr = 0; u64 target; + int debug; int index; int full = 0; int ret = 0; + debug = btrfs_test_opt(root, ENOSPC_DEBUG); + block_group = btrfs_lookup_block_group(root->fs_info, bytenr); /* odd, couldn't find the block group, leave it alone */ - if (!block_group) + if (!block_group) { + if (debug) + btrfs_warn(root->fs_info, + "can't find block group for bytenr %llu", + bytenr); return -1; + } min_free = btrfs_block_group_used(&block_group->item); @@ -9448,8 +9456,13 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr) * this is just a balance, so if we were marked as full * we know there is no space for a new chunk */ - if (full) + if (full) { + if (debug) + btrfs_warn(root->fs_info, + "no space to alloc new chunk for block group %llu", + block_group->key.objectid); goto out; + } index = get_block_group_index(block_group); } @@ -9496,6 +9509,10 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr) ret = -1; } } + if (debug && ret == -1) + btrfs_warn(root->fs_info, + "no space to allocate a new chunk for block group %llu", + block_group->key.objectid); mutex_unlock(&root->fs_info->chunk_mutex); btrfs_end_transaction(trans, root); out: diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index cf31a60c6284..8d7b5a45c005 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1905,7 +1905,7 @@ static int start_ordered_ops(struct inode *inode, loff_t start, loff_t end) */ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) { - struct dentry *dentry = file->f_path.dentry; + struct dentry *dentry = file_dentry(file); struct inode *inode = d_inode(dentry); struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_trans_handle *trans; @@ -2682,9 +2682,12 @@ static long btrfs_fallocate(struct file *file, int mode, return ret; inode_lock(inode); - ret = inode_newsize_ok(inode, alloc_end); - if (ret) - goto out; + + if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size) { + ret = inode_newsize_ok(inode, offset + len); + if (ret) + goto out; + } /* * TODO: Move these two operations after we have checked diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 94a0c8a3e871..5a23806ae418 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1654,7 +1654,7 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file, src_inode = file_inode(src.file); if (src_inode->i_sb != file_inode(file)->i_sb) { - btrfs_info(BTRFS_I(src_inode)->root->fs_info, + btrfs_info(BTRFS_I(file_inode(file))->root->fs_info, "Snapshot src from another FS"); ret = -EXDEV; } else if (!inode_owner_or_capable(src_inode)) { diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 5279fdae7142..9e119552ed32 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1463,6 +1463,7 @@ struct btrfs_qgroup_extent_record u64 bytenr = record->bytenr; assert_spin_locked(&delayed_refs->lock); + trace_btrfs_qgroup_insert_dirty_extent(record); while (*p) { parent_node = *p; @@ -1594,6 +1595,9 @@ static int qgroup_update_counters(struct btrfs_fs_info *fs_info, cur_old_count = btrfs_qgroup_get_old_refcnt(qg, seq); cur_new_count = btrfs_qgroup_get_new_refcnt(qg, seq); + trace_qgroup_update_counters(qg->qgroupid, cur_old_count, + cur_new_count); + /* Rfer update part */ if (cur_old_count == 0 && cur_new_count > 0) { qg->rfer += num_bytes; @@ -1683,6 +1687,9 @@ btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, goto out_free; BUG_ON(!fs_info->quota_root); + trace_btrfs_qgroup_account_extent(bytenr, num_bytes, nr_old_roots, + nr_new_roots); + qgroups = ulist_alloc(GFP_NOFS); if (!qgroups) { ret = -ENOMEM; @@ -1752,6 +1759,8 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans, record = rb_entry(node, struct btrfs_qgroup_extent_record, node); + trace_btrfs_qgroup_account_extents(record); + if (!ret) { /* * Use (u64)-1 as time_seq to do special search, which @@ -1842,8 +1851,10 @@ out: } /* - * copy the acounting information between qgroups. This is necessary when a - * snapshot or a subvolume is created + * Copy the acounting information between qgroups. This is necessary + * when a snapshot or a subvolume is created. Throwing an error will + * cause a transaction abort so we take extra care here to only error + * when a readonly fs is a reasonable outcome. */ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 srcid, u64 objectid, @@ -1873,15 +1884,15 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, 2 * inherit->num_excl_copies; for (i = 0; i < nums; ++i) { srcgroup = find_qgroup_rb(fs_info, *i_qgroups); - if (!srcgroup) { - ret = -EINVAL; - goto out; - } - if ((srcgroup->qgroupid >> 48) <= (objectid >> 48)) { - ret = -EINVAL; - goto out; - } + /* + * Zero out invalid groups so we can ignore + * them later. + */ + if (!srcgroup || + ((srcgroup->qgroupid >> 48) <= (objectid >> 48))) + *i_qgroups = 0ULL; + ++i_qgroups; } } @@ -1916,17 +1927,19 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, */ if (inherit) { i_qgroups = (u64 *)(inherit + 1); - for (i = 0; i < inherit->num_qgroups; ++i) { + for (i = 0; i < inherit->num_qgroups; ++i, ++i_qgroups) { + if (*i_qgroups == 0) + continue; ret = add_qgroup_relation_item(trans, quota_root, objectid, *i_qgroups); - if (ret) + if (ret && ret != -EEXIST) goto out; ret = add_qgroup_relation_item(trans, quota_root, *i_qgroups, objectid); - if (ret) + if (ret && ret != -EEXIST) goto out; - ++i_qgroups; } + ret = 0; } @@ -1987,17 +2000,22 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, i_qgroups = (u64 *)(inherit + 1); for (i = 0; i < inherit->num_qgroups; ++i) { - ret = add_relation_rb(quota_root->fs_info, objectid, - *i_qgroups); - if (ret) - goto unlock; + if (*i_qgroups) { + ret = add_relation_rb(quota_root->fs_info, objectid, + *i_qgroups); + if (ret) + goto unlock; + } ++i_qgroups; } - for (i = 0; i < inherit->num_ref_copies; ++i) { + for (i = 0; i < inherit->num_ref_copies; ++i, i_qgroups += 2) { struct btrfs_qgroup *src; struct btrfs_qgroup *dst; + if (!i_qgroups[0] || !i_qgroups[1]) + continue; + src = find_qgroup_rb(fs_info, i_qgroups[0]); dst = find_qgroup_rb(fs_info, i_qgroups[1]); @@ -2008,12 +2026,14 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, dst->rfer = src->rfer - level_size; dst->rfer_cmpr = src->rfer_cmpr - level_size; - i_qgroups += 2; } - for (i = 0; i < inherit->num_excl_copies; ++i) { + for (i = 0; i < inherit->num_excl_copies; ++i, i_qgroups += 2) { struct btrfs_qgroup *src; struct btrfs_qgroup *dst; + if (!i_qgroups[0] || !i_qgroups[1]) + continue; + src = find_qgroup_rb(fs_info, i_qgroups[0]); dst = find_qgroup_rb(fs_info, i_qgroups[1]); @@ -2024,7 +2044,6 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, dst->excl = src->excl + level_size; dst->excl_cmpr = src->excl_cmpr + level_size; - i_qgroups += 2; } unlock: diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 3c93968b539d..08ef890deca6 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -1850,6 +1850,7 @@ again: eb = read_tree_block(dest, old_bytenr, old_ptr_gen); if (IS_ERR(eb)) { ret = PTR_ERR(eb); + break; } else if (!extent_buffer_uptodate(eb)) { ret = -EIO; free_extent_buffer(eb); diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 24d03c751149..517d0ccb351e 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -4415,6 +4415,127 @@ static int btrfs_log_trailing_hole(struct btrfs_trans_handle *trans, return ret; } +/* + * When we are logging a new inode X, check if it doesn't have a reference that + * matches the reference from some other inode Y created in a past transaction + * and that was renamed in the current transaction. If we don't do this, then at + * log replay time we can lose inode Y (and all its files if it's a directory): + * + * mkdir /mnt/x + * echo "hello world" > /mnt/x/foobar + * sync + * mv /mnt/x /mnt/y + * mkdir /mnt/x # or touch /mnt/x + * xfs_io -c fsync /mnt/x + * <power fail> + * mount fs, trigger log replay + * + * After the log replay procedure, we would lose the first directory and all its + * files (file foobar). + * For the case where inode Y is not a directory we simply end up losing it: + * + * echo "123" > /mnt/foo + * sync + * mv /mnt/foo /mnt/bar + * echo "abc" > /mnt/foo + * xfs_io -c fsync /mnt/foo + * <power fail> + * + * We also need this for cases where a snapshot entry is replaced by some other + * entry (file or directory) otherwise we end up with an unreplayable log due to + * attempts to delete the snapshot entry (entry of type BTRFS_ROOT_ITEM_KEY) as + * if it were a regular entry: + * + * mkdir /mnt/x + * btrfs subvolume snapshot /mnt /mnt/x/snap + * btrfs subvolume delete /mnt/x/snap + * rmdir /mnt/x + * mkdir /mnt/x + * fsync /mnt/x or fsync some new file inside it + * <power fail> + * + * The snapshot delete, rmdir of x, mkdir of a new x and the fsync all happen in + * the same transaction. + */ +static int btrfs_check_ref_name_override(struct extent_buffer *eb, + const int slot, + const struct btrfs_key *key, + struct inode *inode) +{ + int ret; + struct btrfs_path *search_path; + char *name = NULL; + u32 name_len = 0; + u32 item_size = btrfs_item_size_nr(eb, slot); + u32 cur_offset = 0; + unsigned long ptr = btrfs_item_ptr_offset(eb, slot); + + search_path = btrfs_alloc_path(); + if (!search_path) + return -ENOMEM; + search_path->search_commit_root = 1; + search_path->skip_locking = 1; + + while (cur_offset < item_size) { + u64 parent; + u32 this_name_len; + u32 this_len; + unsigned long name_ptr; + struct btrfs_dir_item *di; + + if (key->type == BTRFS_INODE_REF_KEY) { + struct btrfs_inode_ref *iref; + + iref = (struct btrfs_inode_ref *)(ptr + cur_offset); + parent = key->offset; + this_name_len = btrfs_inode_ref_name_len(eb, iref); + name_ptr = (unsigned long)(iref + 1); + this_len = sizeof(*iref) + this_name_len; + } else { + struct btrfs_inode_extref *extref; + + extref = (struct btrfs_inode_extref *)(ptr + + cur_offset); + parent = btrfs_inode_extref_parent(eb, extref); + this_name_len = btrfs_inode_extref_name_len(eb, extref); + name_ptr = (unsigned long)&extref->name; + this_len = sizeof(*extref) + this_name_len; + } + + if (this_name_len > name_len) { + char *new_name; + + new_name = krealloc(name, this_name_len, GFP_NOFS); + if (!new_name) { + ret = -ENOMEM; + goto out; + } + name_len = this_name_len; + name = new_name; + } + + read_extent_buffer(eb, name, name_ptr, this_name_len); + di = btrfs_lookup_dir_item(NULL, BTRFS_I(inode)->root, + search_path, parent, + name, this_name_len, 0); + if (di && !IS_ERR(di)) { + ret = 1; + goto out; + } else if (IS_ERR(di)) { + ret = PTR_ERR(di); + goto out; + } + btrfs_release_path(search_path); + + cur_offset += this_len; + } + ret = 0; +out: + btrfs_free_path(search_path); + kfree(name); + return ret; +} + /* log a single inode in the tree log. * At least one parent directory for this inode must exist in the tree * or be logged already. @@ -4602,6 +4723,22 @@ again: if (min_key.type == BTRFS_INODE_ITEM_KEY) need_log_inode_item = false; + if ((min_key.type == BTRFS_INODE_REF_KEY || + min_key.type == BTRFS_INODE_EXTREF_KEY) && + BTRFS_I(inode)->generation == trans->transid) { + ret = btrfs_check_ref_name_override(path->nodes[0], + path->slots[0], + &min_key, inode); + if (ret < 0) { + err = ret; + goto out_unlock; + } else if (ret > 0) { + err = 1; + btrfs_set_log_full_commit(root->fs_info, trans); + goto out_unlock; + } + } + /* Skip xattrs, we log them later with btrfs_log_all_xattrs() */ if (min_key.type == BTRFS_XATTR_ITEM_KEY) { if (ins_nr == 0) diff --git a/fs/dcache.c b/fs/dcache.c index 32ceae3e6112..d5ecc6e477da 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1667,7 +1667,8 @@ void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op) DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE | DCACHE_OP_DELETE | - DCACHE_OP_SELECT_INODE)); + DCACHE_OP_SELECT_INODE | + DCACHE_OP_REAL)); dentry->d_op = op; if (!op) return; @@ -1685,6 +1686,8 @@ void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op) dentry->d_flags |= DCACHE_OP_PRUNE; if (op->d_select_inode) dentry->d_flags |= DCACHE_OP_SELECT_INODE; + if (op->d_real) + dentry->d_flags |= DCACHE_OP_REAL; } EXPORT_SYMBOL(d_set_d_op); diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c index 2580ef3346ca..db9ae6e18154 100644 --- a/fs/ext4/crypto.c +++ b/fs/ext4/crypto.c @@ -91,7 +91,8 @@ void ext4_release_crypto_ctx(struct ext4_crypto_ctx *ctx) * Return: An allocated and initialized encryption context on success; error * value or NULL otherwise. */ -struct ext4_crypto_ctx *ext4_get_crypto_ctx(struct inode *inode) +struct ext4_crypto_ctx *ext4_get_crypto_ctx(struct inode *inode, + gfp_t gfp_flags) { struct ext4_crypto_ctx *ctx = NULL; int res = 0; @@ -118,7 +119,7 @@ struct ext4_crypto_ctx *ext4_get_crypto_ctx(struct inode *inode) list_del(&ctx->free_list); spin_unlock_irqrestore(&ext4_crypto_ctx_lock, flags); if (!ctx) { - ctx = kmem_cache_zalloc(ext4_crypto_ctx_cachep, GFP_NOFS); + ctx = kmem_cache_zalloc(ext4_crypto_ctx_cachep, gfp_flags); if (!ctx) { res = -ENOMEM; goto out; @@ -255,7 +256,8 @@ static int ext4_page_crypto(struct inode *inode, ext4_direction_t rw, pgoff_t index, struct page *src_page, - struct page *dest_page) + struct page *dest_page, + gfp_t gfp_flags) { u8 xts_tweak[EXT4_XTS_TWEAK_SIZE]; @@ -266,7 +268,7 @@ static int ext4_page_crypto(struct inode *inode, struct crypto_skcipher *tfm = ci->ci_ctfm; int res = 0; - req = skcipher_request_alloc(tfm, GFP_NOFS); + req = skcipher_request_alloc(tfm, gfp_flags); if (!req) { printk_ratelimited(KERN_ERR "%s: crypto_request_alloc() failed\n", @@ -307,9 +309,10 @@ static int ext4_page_crypto(struct inode *inode, return 0; } -static struct page *alloc_bounce_page(struct ext4_crypto_ctx *ctx) +static struct page *alloc_bounce_page(struct ext4_crypto_ctx *ctx, + gfp_t gfp_flags) { - ctx->w.bounce_page = mempool_alloc(ext4_bounce_page_pool, GFP_NOWAIT); + ctx->w.bounce_page = mempool_alloc(ext4_bounce_page_pool, gfp_flags); if (ctx->w.bounce_page == NULL) return ERR_PTR(-ENOMEM); ctx->flags |= EXT4_WRITE_PATH_FL; @@ -332,7 +335,8 @@ static struct page *alloc_bounce_page(struct ext4_crypto_ctx *ctx) * error value or NULL. */ struct page *ext4_encrypt(struct inode *inode, - struct page *plaintext_page) + struct page *plaintext_page, + gfp_t gfp_flags) { struct ext4_crypto_ctx *ctx; struct page *ciphertext_page = NULL; @@ -340,17 +344,17 @@ struct page *ext4_encrypt(struct inode *inode, BUG_ON(!PageLocked(plaintext_page)); - ctx = ext4_get_crypto_ctx(inode); + ctx = ext4_get_crypto_ctx(inode, gfp_flags); if (IS_ERR(ctx)) return (struct page *) ctx; /* The encryption operation will require a bounce page. */ - ciphertext_page = alloc_bounce_page(ctx); + ciphertext_page = alloc_bounce_page(ctx, gfp_flags); if (IS_ERR(ciphertext_page)) goto errout; ctx->w.control_page = plaintext_page; err = ext4_page_crypto(inode, EXT4_ENCRYPT, plaintext_page->index, - plaintext_page, ciphertext_page); + plaintext_page, ciphertext_page, gfp_flags); if (err) { ciphertext_page = ERR_PTR(err); errout: @@ -378,8 +382,8 @@ int ext4_decrypt(struct page *page) { BUG_ON(!PageLocked(page)); - return ext4_page_crypto(page->mapping->host, - EXT4_DECRYPT, page->index, page, page); + return ext4_page_crypto(page->mapping->host, EXT4_DECRYPT, + page->index, page, page, GFP_NOFS); } int ext4_encrypted_zeroout(struct inode *inode, ext4_lblk_t lblk, @@ -398,11 +402,11 @@ int ext4_encrypted_zeroout(struct inode *inode, ext4_lblk_t lblk, BUG_ON(inode->i_sb->s_blocksize != PAGE_SIZE); - ctx = ext4_get_crypto_ctx(inode); + ctx = ext4_get_crypto_ctx(inode, GFP_NOFS); if (IS_ERR(ctx)) return PTR_ERR(ctx); - ciphertext_page = alloc_bounce_page(ctx); + ciphertext_page = alloc_bounce_page(ctx, GFP_NOWAIT); if (IS_ERR(ciphertext_page)) { err = PTR_ERR(ciphertext_page); goto errout; @@ -410,11 +414,12 @@ int ext4_encrypted_zeroout(struct inode *inode, ext4_lblk_t lblk, while (len--) { err = ext4_page_crypto(inode, EXT4_ENCRYPT, lblk, - ZERO_PAGE(0), ciphertext_page); + ZERO_PAGE(0), ciphertext_page, + GFP_NOFS); if (err) goto errout; - bio = bio_alloc(GFP_KERNEL, 1); + bio = bio_alloc(GFP_NOWAIT, 1); if (!bio) { err = -ENOMEM; goto errout; @@ -473,13 +478,16 @@ uint32_t ext4_validate_encryption_key_size(uint32_t mode, uint32_t size) */ static int ext4_d_revalidate(struct dentry *dentry, unsigned int flags) { - struct inode *dir = d_inode(dentry->d_parent); - struct ext4_crypt_info *ci = EXT4_I(dir)->i_crypt_info; + struct dentry *dir; + struct ext4_crypt_info *ci; int dir_has_key, cached_with_key; - if (!ext4_encrypted_inode(dir)) + dir = dget_parent(dentry); + if (!ext4_encrypted_inode(d_inode(dir))) { + dput(dir); return 0; - + } + ci = EXT4_I(d_inode(dir))->i_crypt_info; if (ci && ci->ci_keyring_key && (ci->ci_keyring_key->flags & ((1 << KEY_FLAG_INVALIDATED) | (1 << KEY_FLAG_REVOKED) | @@ -489,6 +497,7 @@ static int ext4_d_revalidate(struct dentry *dentry, unsigned int flags) /* this should eventually be an flag in d_flags */ cached_with_key = dentry->d_fsdata != NULL; dir_has_key = (ci != NULL); + dput(dir); /* * If the dentry was cached without the key, and it is a diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 7ccba1aa142d..349afebe21ee 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -912,6 +912,29 @@ do { \ #include "extents_status.h" /* + * Lock subclasses for i_data_sem in the ext4_inode_info structure. + * + * These are needed to avoid lockdep false positives when we need to + * allocate blocks to the quota inode during ext4_map_blocks(), while + * holding i_data_sem for a normal (non-quota) inode. Since we don't + * do quota tracking for the quota inode, this avoids deadlock (as + * well as infinite recursion, since it isn't turtles all the way + * down...) + * + * I_DATA_SEM_NORMAL - Used for most inodes + * I_DATA_SEM_OTHER - Used by move_inode.c for the second normal inode + * where the second inode has larger inode number + * than the first + * I_DATA_SEM_QUOTA - Used for quota inodes only + */ +enum { + I_DATA_SEM_NORMAL = 0, + I_DATA_SEM_OTHER, + I_DATA_SEM_QUOTA, +}; + + +/* * fourth extended file system inode data in memory */ struct ext4_inode_info { @@ -2282,11 +2305,13 @@ extern struct kmem_cache *ext4_crypt_info_cachep; bool ext4_valid_contents_enc_mode(uint32_t mode); uint32_t ext4_validate_encryption_key_size(uint32_t mode, uint32_t size); extern struct workqueue_struct *ext4_read_workqueue; -struct ext4_crypto_ctx *ext4_get_crypto_ctx(struct inode *inode); +struct ext4_crypto_ctx *ext4_get_crypto_ctx(struct inode *inode, + gfp_t gfp_flags); void ext4_release_crypto_ctx(struct ext4_crypto_ctx *ctx); void ext4_restore_control_page(struct page *data_page); struct page *ext4_encrypt(struct inode *inode, - struct page *plaintext_page); + struct page *plaintext_page, + gfp_t gfp_flags); int ext4_decrypt(struct page *page); int ext4_encrypted_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk, ext4_lblk_t len); diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 0caece398eb8..fa2208bae2e1 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -329,7 +329,7 @@ static int ext4_file_open(struct inode * inode, struct file * filp) struct super_block *sb = inode->i_sb; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct vfsmount *mnt = filp->f_path.mnt; - struct inode *dir = filp->f_path.dentry->d_parent->d_inode; + struct dentry *dir; struct path path; char buf[64], *cp; int ret; @@ -373,14 +373,18 @@ static int ext4_file_open(struct inode * inode, struct file * filp) if (ext4_encryption_info(inode) == NULL) return -ENOKEY; } - if (ext4_encrypted_inode(dir) && - !ext4_is_child_context_consistent_with_parent(dir, inode)) { + + dir = dget_parent(file_dentry(filp)); + if (ext4_encrypted_inode(d_inode(dir)) && + !ext4_is_child_context_consistent_with_parent(d_inode(dir), inode)) { ext4_warning(inode->i_sb, "Inconsistent encryption contexts: %lu/%lu\n", - (unsigned long) dir->i_ino, + (unsigned long) d_inode(dir)->i_ino, (unsigned long) inode->i_ino); + dput(dir); return -EPERM; } + dput(dir); /* * Set up the jbd2_inode if we are opening the inode for * writing and the journal is present diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 4f7043ba4447..981a1fc30eaa 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -763,39 +763,47 @@ int ext4_get_block_unwritten(struct inode *inode, sector_t iblock, /* Maximum number of blocks we map for direct IO at once. */ #define DIO_MAX_BLOCKS 4096 -static handle_t *start_dio_trans(struct inode *inode, - struct buffer_head *bh_result) +/* + * Get blocks function for the cases that need to start a transaction - + * generally difference cases of direct IO and DAX IO. It also handles retries + * in case of ENOSPC. + */ +static int ext4_get_block_trans(struct inode *inode, sector_t iblock, + struct buffer_head *bh_result, int flags) { int dio_credits; + handle_t *handle; + int retries = 0; + int ret; /* Trim mapping request to maximum we can map at once for DIO */ if (bh_result->b_size >> inode->i_blkbits > DIO_MAX_BLOCKS) bh_result->b_size = DIO_MAX_BLOCKS << inode->i_blkbits; dio_credits = ext4_chunk_trans_blocks(inode, bh_result->b_size >> inode->i_blkbits); - return ext4_journal_start(inode, EXT4_HT_MAP_BLOCKS, dio_credits); +retry: + handle = ext4_journal_start(inode, EXT4_HT_MAP_BLOCKS, dio_credits); + if (IS_ERR(handle)) + return PTR_ERR(handle); + + ret = _ext4_get_block(inode, iblock, bh_result, flags); + ext4_journal_stop(handle); + + if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) + goto retry; + return ret; } /* Get block function for DIO reads and writes to inodes without extents */ int ext4_dio_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh, int create) { - handle_t *handle; - int ret; - /* We don't expect handle for direct IO */ WARN_ON_ONCE(ext4_journal_current_handle()); - if (create) { - handle = start_dio_trans(inode, bh); - if (IS_ERR(handle)) - return PTR_ERR(handle); - } - ret = _ext4_get_block(inode, iblock, bh, - create ? EXT4_GET_BLOCKS_CREATE : 0); - if (create) - ext4_journal_stop(handle); - return ret; + if (!create) + return _ext4_get_block(inode, iblock, bh, 0); + return ext4_get_block_trans(inode, iblock, bh, EXT4_GET_BLOCKS_CREATE); } /* @@ -806,18 +814,13 @@ int ext4_dio_get_block(struct inode *inode, sector_t iblock, static int ext4_dio_get_block_unwritten_async(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) { - handle_t *handle; int ret; /* We don't expect handle for direct IO */ WARN_ON_ONCE(ext4_journal_current_handle()); - handle = start_dio_trans(inode, bh_result); - if (IS_ERR(handle)) - return PTR_ERR(handle); - ret = _ext4_get_block(inode, iblock, bh_result, - EXT4_GET_BLOCKS_IO_CREATE_EXT); - ext4_journal_stop(handle); + ret = ext4_get_block_trans(inode, iblock, bh_result, + EXT4_GET_BLOCKS_IO_CREATE_EXT); /* * When doing DIO using unwritten extents, we need io_end to convert @@ -850,18 +853,13 @@ static int ext4_dio_get_block_unwritten_async(struct inode *inode, static int ext4_dio_get_block_unwritten_sync(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) { - handle_t *handle; int ret; /* We don't expect handle for direct IO */ WARN_ON_ONCE(ext4_journal_current_handle()); - handle = start_dio_trans(inode, bh_result); - if (IS_ERR(handle)) - return PTR_ERR(handle); - ret = _ext4_get_block(inode, iblock, bh_result, - EXT4_GET_BLOCKS_IO_CREATE_EXT); - ext4_journal_stop(handle); + ret = ext4_get_block_trans(inode, iblock, bh_result, + EXT4_GET_BLOCKS_IO_CREATE_EXT); /* * Mark inode as having pending DIO writes to unwritten extents. diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 675b67e5d5c2..325cef48b39a 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -60,10 +60,10 @@ ext4_double_down_write_data_sem(struct inode *first, struct inode *second) { if (first < second) { down_write(&EXT4_I(first)->i_data_sem); - down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING); + down_write_nested(&EXT4_I(second)->i_data_sem, I_DATA_SEM_OTHER); } else { down_write(&EXT4_I(second)->i_data_sem); - down_write_nested(&EXT4_I(first)->i_data_sem, SINGLE_DEPTH_NESTING); + down_write_nested(&EXT4_I(first)->i_data_sem, I_DATA_SEM_OTHER); } } @@ -484,6 +484,13 @@ mext_check_arguments(struct inode *orig_inode, return -EBUSY; } + if (IS_NOQUOTA(orig_inode) || IS_NOQUOTA(donor_inode)) { + ext4_debug("ext4 move extent: The argument files should " + "not be quota files [ino:orig %lu, donor %lu]\n", + orig_inode->i_ino, donor_inode->i_ino); + return -EBUSY; + } + /* Ext4 move extent supports only extent based file */ if (!(ext4_test_inode_flag(orig_inode, EXT4_INODE_EXTENTS))) { ext4_debug("ext4 move extent: orig file is not extents " diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 93ad0acf704c..e4fc8ea45d78 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -23,6 +23,7 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/mm.h> +#include <linux/backing-dev.h> #include "ext4_jbd2.h" #include "xattr.h" @@ -470,9 +471,20 @@ int ext4_bio_write_page(struct ext4_io_submit *io, if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode) && nr_to_submit) { - data_page = ext4_encrypt(inode, page); + gfp_t gfp_flags = GFP_NOFS; + + retry_encrypt: + data_page = ext4_encrypt(inode, page, gfp_flags); if (IS_ERR(data_page)) { ret = PTR_ERR(data_page); + if (ret == -ENOMEM && wbc->sync_mode == WB_SYNC_ALL) { + if (io->io_bio) { + ext4_io_submit(io); + congestion_wait(BLK_RW_ASYNC, HZ/50); + } + gfp_flags |= __GFP_NOFAIL; + goto retry_encrypt; + } data_page = NULL; goto out; } diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index f24e7299e1c8..dc54a4b60eba 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -279,7 +279,7 @@ int ext4_mpage_readpages(struct address_space *mapping, if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)) { - ctx = ext4_get_crypto_ctx(inode); + ctx = ext4_get_crypto_ctx(inode, GFP_NOFS); if (IS_ERR(ctx)) goto set_error_page; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0bb74aacb8c0..304c712dbe12 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1113,6 +1113,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type, static int ext4_quota_enable(struct super_block *sb, int type, int format_id, unsigned int flags); static int ext4_enable_quotas(struct super_block *sb); +static int ext4_get_next_id(struct super_block *sb, struct kqid *qid); static struct dquot **ext4_get_dquots(struct inode *inode) { @@ -1129,7 +1130,7 @@ static const struct dquot_operations ext4_quota_operations = { .alloc_dquot = dquot_alloc, .destroy_dquot = dquot_destroy, .get_projid = ext4_get_projid, - .get_next_id = dquot_get_next_id, + .get_next_id = ext4_get_next_id, }; static const struct quotactl_ops ext4_qctl_operations = { @@ -1323,9 +1324,9 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args) return -1; } if (ext4_has_feature_quota(sb)) { - ext4_msg(sb, KERN_ERR, "Cannot set journaled quota options " - "when QUOTA feature is enabled"); - return -1; + ext4_msg(sb, KERN_INFO, "Journaled quota options " + "ignored when QUOTA feature is enabled"); + return 1; } qname = match_strdup(args); if (!qname) { @@ -1688,10 +1689,10 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, return -1; } if (ext4_has_feature_quota(sb)) { - ext4_msg(sb, KERN_ERR, - "Cannot set journaled quota options " + ext4_msg(sb, KERN_INFO, + "Quota format mount options ignored " "when QUOTA feature is enabled"); - return -1; + return 1; } sbi->s_jquota_fmt = m->mount_opt; #endif @@ -1756,11 +1757,11 @@ static int parse_options(char *options, struct super_block *sb, #ifdef CONFIG_QUOTA if (ext4_has_feature_quota(sb) && (test_opt(sb, USRQUOTA) || test_opt(sb, GRPQUOTA))) { - ext4_msg(sb, KERN_ERR, "Cannot set quota options when QUOTA " - "feature is enabled"); - return 0; - } - if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) { + ext4_msg(sb, KERN_INFO, "Quota feature enabled, usrquota and grpquota " + "mount options ignored."); + clear_opt(sb, USRQUOTA); + clear_opt(sb, GRPQUOTA); + } else if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) { if (test_opt(sb, USRQUOTA) && sbi->s_qf_names[USRQUOTA]) clear_opt(sb, USRQUOTA); @@ -5028,6 +5029,20 @@ static int ext4_quota_on_mount(struct super_block *sb, int type) EXT4_SB(sb)->s_jquota_fmt, type); } +static void lockdep_set_quota_inode(struct inode *inode, int subclass) +{ + struct ext4_inode_info *ei = EXT4_I(inode); + + /* The first argument of lockdep_set_subclass has to be + * *exactly* the same as the argument to init_rwsem() --- in + * this case, in init_once() --- or lockdep gets unhappy + * because the name of the lock is set using the + * stringification of the argument to init_rwsem(). + */ + (void) ei; /* shut up clang warning if !CONFIG_LOCKDEP */ + lockdep_set_subclass(&ei->i_data_sem, subclass); +} + /* * Standard function to be called on quota_on */ @@ -5067,8 +5082,12 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, if (err) return err; } - - return dquot_quota_on(sb, type, format_id, path); + lockdep_set_quota_inode(path->dentry->d_inode, I_DATA_SEM_QUOTA); + err = dquot_quota_on(sb, type, format_id, path); + if (err) + lockdep_set_quota_inode(path->dentry->d_inode, + I_DATA_SEM_NORMAL); + return err; } static int ext4_quota_enable(struct super_block *sb, int type, int format_id, @@ -5095,8 +5114,11 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id, /* Don't account quota for quota files to avoid recursion */ qf_inode->i_flags |= S_NOQUOTA; + lockdep_set_quota_inode(qf_inode, I_DATA_SEM_QUOTA); err = dquot_enable(qf_inode, type, format_id, flags); iput(qf_inode); + if (err) + lockdep_set_quota_inode(qf_inode, I_DATA_SEM_NORMAL); return err; } @@ -5253,6 +5275,17 @@ out: return len; } +static int ext4_get_next_id(struct super_block *sb, struct kqid *qid) +{ + const struct quota_format_ops *ops; + + if (!sb_has_quota_loaded(sb, qid->type)) + return -ESRCH; + ops = sb_dqopt(sb)->ops[qid->type]; + if (!ops || !ops->get_next_id) + return -ENOSYS; + return dquot_get_next_id(sb, qid); +} #endif static struct dentry *ext4_mount(struct file_system_type *fs_type, int flags, diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 0441e055c8e8..e79bd32b9b79 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -230,6 +230,27 @@ ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh) return error; } +static int +__xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header, + void *end, const char *function, unsigned int line) +{ + struct ext4_xattr_entry *entry = IFIRST(header); + int error = -EFSCORRUPTED; + + if (((void *) header >= end) || + (header->h_magic != le32_to_cpu(EXT4_XATTR_MAGIC))) + goto errout; + error = ext4_xattr_check_names(entry, end, entry); +errout: + if (error) + __ext4_error_inode(inode, function, line, 0, + "corrupted in-inode xattr"); + return error; +} + +#define xattr_check_inode(inode, header, end) \ + __xattr_check_inode((inode), (header), (end), __func__, __LINE__) + static inline int ext4_xattr_check_entry(struct ext4_xattr_entry *entry, size_t size) { @@ -341,7 +362,7 @@ ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name, header = IHDR(inode, raw_inode); entry = IFIRST(header); end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size; - error = ext4_xattr_check_names(entry, end, entry); + error = xattr_check_inode(inode, header, end); if (error) goto cleanup; error = ext4_xattr_find_entry(&entry, name_index, name, @@ -477,7 +498,7 @@ ext4_xattr_ibody_list(struct dentry *dentry, char *buffer, size_t buffer_size) raw_inode = ext4_raw_inode(&iloc); header = IHDR(inode, raw_inode); end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size; - error = ext4_xattr_check_names(IFIRST(header), end, IFIRST(header)); + error = xattr_check_inode(inode, header, end); if (error) goto cleanup; error = ext4_xattr_list_entries(dentry, IFIRST(header), @@ -1040,8 +1061,7 @@ int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i, is->s.here = is->s.first; is->s.end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size; if (ext4_test_inode_state(inode, EXT4_STATE_XATTR)) { - error = ext4_xattr_check_names(IFIRST(header), is->s.end, - IFIRST(header)); + error = xattr_check_inode(inode, header, is->s.end); if (error) return error; /* Find the named attribute. */ @@ -1356,6 +1376,10 @@ retry: last = entry; total_ino = sizeof(struct ext4_xattr_ibody_header); + error = xattr_check_inode(inode, header, end); + if (error) + goto cleanup; + free = ext4_xattr_free_space(last, &min_offs, base, &total_ino); if (free >= new_extra_isize) { entry = IFIRST(header); diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index adef506c5786..33eb81738d03 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -377,7 +377,7 @@ int nfs_readdir_xdr_filler(struct page **pages, nfs_readdir_descriptor_t *desc, again: timestamp = jiffies; gencount = nfs_inc_attr_generation_counter(); - error = NFS_PROTO(inode)->readdir(file->f_path.dentry, cred, entry->cookie, pages, + error = NFS_PROTO(inode)->readdir(file_dentry(file), cred, entry->cookie, pages, NFS_SERVER(inode)->dtsize, desc->plus); if (error < 0) { /* We requested READDIRPLUS, but the server doesn't grok it */ @@ -560,7 +560,7 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en count++; if (desc->plus != 0) - nfs_prime_dcache(desc->file->f_path.dentry, entry); + nfs_prime_dcache(file_dentry(desc->file), entry); status = nfs_readdir_add_to_array(entry, page); if (status != 0) @@ -864,7 +864,7 @@ static bool nfs_dir_mapping_need_revalidate(struct inode *dir) */ static int nfs_readdir(struct file *file, struct dir_context *ctx) { - struct dentry *dentry = file->f_path.dentry; + struct dentry *dentry = file_dentry(file); struct inode *inode = d_inode(dentry); nfs_readdir_descriptor_t my_desc, *desc = &my_desc; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 33d18c411905..738c84a42eb0 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -940,7 +940,7 @@ int nfs_open(struct inode *inode, struct file *filp) { struct nfs_open_context *ctx; - ctx = alloc_nfs_open_context(filp->f_path.dentry, filp->f_mode); + ctx = alloc_nfs_open_context(file_dentry(filp), filp->f_mode); if (IS_ERR(ctx)) return PTR_ERR(ctx); nfs_file_set_open_context(filp, ctx); diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 22c35abbee9d..d0390516467c 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -26,7 +26,7 @@ static int nfs4_file_open(struct inode *inode, struct file *filp) { struct nfs_open_context *ctx; - struct dentry *dentry = filp->f_path.dentry; + struct dentry *dentry = file_dentry(filp); struct dentry *parent = NULL; struct inode *dir; unsigned openflags = filp->f_flags; @@ -57,7 +57,7 @@ nfs4_file_open(struct inode *inode, struct file *filp) parent = dget_parent(dentry); dir = d_inode(parent); - ctx = alloc_nfs_open_context(filp->f_path.dentry, filp->f_mode); + ctx = alloc_nfs_open_context(file_dentry(filp), filp->f_mode); err = PTR_ERR(ctx); if (IS_ERR(ctx)) goto out; diff --git a/fs/orangefs/dir.c b/fs/orangefs/dir.c index ba7dec40771e..324f0af40d7b 100644 --- a/fs/orangefs/dir.c +++ b/fs/orangefs/dir.c @@ -153,7 +153,6 @@ static int orangefs_readdir(struct file *file, struct dir_context *ctx) struct dentry *dentry = file->f_path.dentry; struct orangefs_kernel_op_s *new_op = NULL; struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(dentry->d_inode); - int buffer_full = 0; struct orangefs_readdir_response_s readdir_response; void *dents_buf; int i = 0; @@ -350,8 +349,7 @@ get_new_buffer_index: /* * Did we hit the end of the directory? */ - if (readdir_response.token == ORANGEFS_READDIR_END && - !buffer_full) { + if (readdir_response.token == ORANGEFS_READDIR_END) { gossip_debug(GOSSIP_DIR_DEBUG, "End of dir detected; setting ctx->pos to ORANGEFS_READDIR_END.\n"); ctx->pos = ORANGEFS_READDIR_END; diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index 0166faabf8f2..85640e955cde 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -204,22 +204,8 @@ static int orangefs_setattr_size(struct inode *inode, struct iattr *iattr) if (ret != 0) return ret; - /* - * Only change the c/mtime if we are changing the size or we are - * explicitly asked to change it. This handles the semantic difference - * between truncate() and ftruncate() as implemented in the VFS. - * - * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a - * special case where we need to update the times despite not having - * these flags set. For all other operations the VFS set these flags - * explicitly if it wants a timestamp update. - */ - if (orig_size != i_size_read(inode) && - !(iattr->ia_valid & (ATTR_CTIME | ATTR_MTIME))) { - iattr->ia_ctime = iattr->ia_mtime = - current_fs_time(inode->i_sb); + if (orig_size != i_size_read(inode)) iattr->ia_valid |= ATTR_CTIME | ATTR_MTIME; - } return ret; } diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c index 19670b8b4053..1714a737d556 100644 --- a/fs/orangefs/orangefs-debugfs.c +++ b/fs/orangefs/orangefs-debugfs.c @@ -126,8 +126,7 @@ out: void orangefs_debugfs_cleanup(void) { - if (debug_dir) - debugfs_remove_recursive(debug_dir); + debugfs_remove_recursive(debug_dir); } /* open ORANGEFS_KMOD_DEBUG_HELP_FILE */ diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c index 8277aba65e87..2d129b5886ee 100644 --- a/fs/orangefs/orangefs-utils.c +++ b/fs/orangefs/orangefs-utils.c @@ -315,9 +315,13 @@ int orangefs_inode_getattr(struct inode *inode, int new, int size) inode->i_size = (loff_t)strlen(new_op-> downcall.resp.getattr.link_target); orangefs_inode->blksize = (1 << inode->i_blkbits); - strlcpy(orangefs_inode->link_target, + ret = strscpy(orangefs_inode->link_target, new_op->downcall.resp.getattr.link_target, ORANGEFS_NAME_MAX); + if (ret == -E2BIG) { + ret = -EIO; + goto out; + } inode->i_link = orangefs_inode->link_target; } break; diff --git a/fs/orangefs/protocol.h b/fs/orangefs/protocol.h index 50578a28bd9e..1efc6f8a5224 100644 --- a/fs/orangefs/protocol.h +++ b/fs/orangefs/protocol.h @@ -1,3 +1,4 @@ +#include <linux/kernel.h> #include <linux/types.h> #include <linux/spinlock_types.h> #include <linux/slab.h> @@ -74,8 +75,8 @@ static inline void ORANGEFS_khandle_to(const struct orangefs_khandle *kh, void *p, int size) { - memset(p, 0, size); memcpy(p, kh->u, 16); + memset(p + 16, 0, size - 16); } @@ -427,26 +428,28 @@ struct ORANGEFS_dev_map_desc { /* gossip.h *****************************************************************/ #ifdef GOSSIP_DISABLE_DEBUG -#define gossip_debug(mask, format, f...) do {} while (0) +#define gossip_debug(mask, fmt, ...) \ +do { \ + if (0) \ + printk(KERN_DEBUG fmt, ##__VA_ARGS__); \ +} while (0) #else extern __u64 gossip_debug_mask; extern struct client_debug_mask client_debug_mask; /* try to avoid function call overhead by checking masks in macro */ -#define gossip_debug(mask, format, f...) \ -do { \ - if (gossip_debug_mask & mask) \ - printk(format, ##f); \ +#define gossip_debug(mask, fmt, ...) \ +do { \ + if (gossip_debug_mask & (mask)) \ + printk(KERN_DEBUG fmt, ##__VA_ARGS__); \ } while (0) #endif /* GOSSIP_DISABLE_DEBUG */ /* do file and line number printouts w/ the GNU preprocessor */ -#define gossip_ldebug(mask, format, f...) \ - gossip_debug(mask, "%s: " format, __func__, ##f) - -#define gossip_err printk -#define gossip_lerr(format, f...) \ - gossip_err("%s line %d: " format, \ - __FILE__, \ - __LINE__, \ - ##f) +#define gossip_ldebug(mask, fmt, ...) \ + gossip_debug(mask, "%s: " fmt, __func__, ##__VA_ARGS__) + +#define gossip_err pr_err +#define gossip_lerr(fmt, ...) \ + gossip_err("%s line %d: " fmt, \ + __FILE__, __LINE__, ##__VA_ARGS__) diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c index ef5da7538cd5..63a6280d8c3a 100644 --- a/fs/orangefs/xattr.c +++ b/fs/orangefs/xattr.c @@ -73,10 +73,6 @@ ssize_t orangefs_inode_getxattr(struct inode *inode, const char *prefix, "%s: prefix %s name %s, buffer_size %zd\n", __func__, prefix, name, size); - if (name == NULL || (size > 0 && buffer == NULL)) { - gossip_err("orangefs_inode_getxattr: bogus NULL pointers\n"); - return -EINVAL; - } if ((strlen(name) + strlen(prefix)) >= ORANGEFS_MAX_XATTR_NAMELEN) { gossip_err("Invalid key length (%d)\n", (int)(strlen(name) + strlen(prefix))); @@ -146,8 +142,8 @@ ssize_t orangefs_inode_getxattr(struct inode *inode, const char *prefix, goto out_release_op; } - memset(buffer, 0, size); memcpy(buffer, new_op->downcall.resp.getxattr.val, length); + memset(buffer + length, 0, size - length); gossip_debug(GOSSIP_XATTR_DEBUG, "orangefs_inode_getxattr: inode %pU " "key %s key_sz %d, val_len %d\n", @@ -239,8 +235,7 @@ int orangefs_inode_setxattr(struct inode *inode, const char *prefix, "%s: prefix %s, name %s, buffer_size %zd\n", __func__, prefix, name, size); - if (size < 0 || - size >= ORANGEFS_MAX_XATTR_VALUELEN || + if (size >= ORANGEFS_MAX_XATTR_VALUELEN || flags < 0) { gossip_err("orangefs_inode_setxattr: bogus values of size(%d), flags(%d)\n", (int)size, @@ -248,12 +243,6 @@ int orangefs_inode_setxattr(struct inode *inode, const char *prefix, return -EINVAL; } - if (name == NULL || - (size > 0 && value == NULL)) { - gossip_err("orangefs_inode_setxattr: bogus NULL pointers!\n"); - return -EINVAL; - } - internal_flag = convert_to_internal_xattr_flags(flags); if (prefix) { @@ -353,10 +342,6 @@ ssize_t orangefs_listxattr(struct dentry *dentry, char *buffer, size_t size) gossip_err("%s: bogus NULL pointers\n", __func__); return -EINVAL; } - if (size < 0) { - gossip_err("Invalid size (%d)\n", (int)size); - return -EINVAL; - } down_read(&orangefs_inode->xattr_sem); new_op = op_alloc(ORANGEFS_VFS_OP_LISTXATTR); diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index ef64984c9bbc..5d972e6cd3fe 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -295,6 +295,37 @@ static void ovl_dentry_release(struct dentry *dentry) } } +static struct dentry *ovl_d_real(struct dentry *dentry, struct inode *inode) +{ + struct dentry *real; + + if (d_is_dir(dentry)) { + if (!inode || inode == d_inode(dentry)) + return dentry; + goto bug; + } + + real = ovl_dentry_upper(dentry); + if (real && (!inode || inode == d_inode(real))) + return real; + + real = ovl_dentry_lower(dentry); + if (!real) + goto bug; + + if (!inode || inode == d_inode(real)) + return real; + + /* Handle recursion */ + if (real->d_flags & DCACHE_OP_REAL) + return real->d_op->d_real(real, inode); + +bug: + WARN(1, "ovl_d_real(%pd4, %s:%lu\n): real dentry not found\n", dentry, + inode ? inode->i_sb->s_id : "NULL", inode ? inode->i_ino : 0); + return dentry; +} + static int ovl_dentry_revalidate(struct dentry *dentry, unsigned int flags) { struct ovl_entry *oe = dentry->d_fsdata; @@ -339,11 +370,13 @@ static int ovl_dentry_weak_revalidate(struct dentry *dentry, unsigned int flags) static const struct dentry_operations ovl_dentry_operations = { .d_release = ovl_dentry_release, .d_select_inode = ovl_d_select_inode, + .d_real = ovl_d_real, }; static const struct dentry_operations ovl_reval_dentry_operations = { .d_release = ovl_dentry_release, .d_select_inode = ovl_d_select_inode, + .d_real = ovl_d_real, .d_revalidate = ovl_dentry_revalidate, .d_weak_revalidate = ovl_dentry_weak_revalidate, }; diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index afae2316bd43..055a08ddac02 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -92,7 +92,7 @@ struct ttm_placement { */ struct ttm_bus_placement { void *addr; - unsigned long base; + phys_addr_t base; unsigned long size; unsigned long offset; bool is_iomem; diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 7cb043d8f4e8..4bb4de8d95ea 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -161,6 +161,7 @@ struct dentry_operations { struct vfsmount *(*d_automount)(struct path *); int (*d_manage)(struct dentry *, bool); struct inode *(*d_select_inode)(struct dentry *, unsigned); + struct dentry *(*d_real)(struct dentry *, struct inode *); } ____cacheline_aligned; /* @@ -229,6 +230,7 @@ struct dentry_operations { #define DCACHE_OP_SELECT_INODE 0x02000000 /* Unioned entry: dcache op selects inode */ #define DCACHE_ENCRYPTED_WITH_KEY 0x04000000 /* dir is encrypted with a valid key */ +#define DCACHE_OP_REAL 0x08000000 extern seqlock_t rename_lock; @@ -555,4 +557,12 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper) return upper; } +static inline struct dentry *d_real(struct dentry *dentry) +{ + if (unlikely(dentry->d_flags & DCACHE_OP_REAL)) + return dentry->d_op->d_real(dentry, NULL); + else + return dentry; +} + #endif /* __LINUX_DCACHE_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 304991a80e23..70e61b58baaf 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1241,6 +1241,16 @@ static inline struct inode *file_inode(const struct file *f) return f->f_inode; } +static inline struct dentry *file_dentry(const struct file *file) +{ + struct dentry *dentry = file->f_path.dentry; + + if (unlikely(dentry->d_flags & DCACHE_OP_REAL)) + return dentry->d_op->d_real(dentry, file_inode(file)); + else + return dentry; +} + static inline int locks_lock_file_wait(struct file *filp, struct file_lock *fl) { return locks_lock_inode_wait(file_inode(filp), fl); diff --git a/include/linux/iommu.h b/include/linux/iommu.h index a5c539fa5d2b..ef7a6ecd8584 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -195,9 +195,7 @@ struct iommu_ops { /* Get the number of windows per domain */ u32 (*domain_get_windows)(struct iommu_domain *domain); -#ifdef CONFIG_OF_IOMMU int (*of_xlate)(struct device *dev, struct of_phandle_args *args); -#endif unsigned long pgsize_bitmap; void *priv; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index cb0d5d09c2e4..8395308a2445 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2120,7 +2120,10 @@ struct napi_gro_cb { /* Used in foo-over-udp, set in udp[46]_gro_receive */ u8 is_ipv6:1; - /* 7 bit hole */ + /* Used in GRE, set in fou/gue_gro_receive */ + u8 is_fou:1; + + /* 6 bit hole */ /* used to support CHECKSUM_COMPLETE for tunneling protocols */ __wsum csum; diff --git a/include/net/act_api.h b/include/net/act_api.h index 2a19fe111c78..03e322b30218 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -135,6 +135,7 @@ void tcf_hashinfo_destroy(const struct tc_action_ops *ops, static inline void tc_action_net_exit(struct tc_action_net *tn) { tcf_hashinfo_destroy(tn->ops, tn->hinfo); + kfree(tn->hinfo); } int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb, diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 0c09da34b67a..e385eb3076a1 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1001,6 +1001,8 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) * flag indicates that the PN was verified for replay protection. * Note that this flag is also currently only supported when a frame * is also decrypted (ie. @RX_FLAG_DECRYPTED must be set) + * @RX_FLAG_DUP_VALIDATED: The driver should set this flag if it did + * de-duplication by itself. * @RX_FLAG_FAILED_FCS_CRC: Set this flag if the FCS check failed on * the frame. * @RX_FLAG_FAILED_PLCP_CRC: Set this flag if the PCLP check failed on diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 65521cfdcade..03fb33efcae2 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -386,11 +386,9 @@ static inline struct list_head *sctp_list_dequeue(struct list_head *list) { struct list_head *result = NULL; - if (list->next != list) { + if (!list_empty(list)) { result = list->next; - list->next = result->next; - list->next->prev = list; - INIT_LIST_HEAD(result); + list_del_init(result); } return result; } diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index c067019ed12a..74d79bde7075 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -516,6 +516,31 @@ static inline int scsi_device_tpgs(struct scsi_device *sdev) return sdev->inquiry ? (sdev->inquiry[5] >> 4) & 0x3 : 0; } +/** + * scsi_device_supports_vpd - test if a device supports VPD pages + * @sdev: the &struct scsi_device to test + * + * If the 'try_vpd_pages' flag is set it takes precedence. + * Otherwise we will assume VPD pages are supported if the + * SCSI level is at least SPC-3 and 'skip_vpd_pages' is not set. + */ +static inline int scsi_device_supports_vpd(struct scsi_device *sdev) +{ + /* Attempt VPD inquiry if the device blacklist explicitly calls + * for it. + */ + if (sdev->try_vpd_pages) + return 1; + /* + * Although VPD inquiries can go to SCSI-2 type devices, + * some USB ones crash on receiving them, and the pages + * we currently ask for are for SPC-3 and beyond + */ + if (sdev->scsi_level > SCSI_SPC_2 && !sdev->skip_vpd_pages) + return 1; + return 0; +} + #define MODULE_ALIAS_SCSI_DEVICE(type) \ MODULE_ALIAS("scsi:t-" __stringify(type) "*") #define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x" diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index 677807f29a1c..e90e82ad6875 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -23,7 +23,7 @@ struct map_lookup; struct extent_buffer; struct btrfs_work; struct __btrfs_workqueue; -struct btrfs_qgroup_operation; +struct btrfs_qgroup_extent_record; #define show_ref_type(type) \ __print_symbolic(type, \ @@ -1231,6 +1231,93 @@ DEFINE_EVENT(btrfs__qgroup_delayed_ref, btrfs_qgroup_free_delayed_ref, TP_ARGS(ref_root, reserved) ); + +DECLARE_EVENT_CLASS(btrfs_qgroup_extent, + TP_PROTO(struct btrfs_qgroup_extent_record *rec), + + TP_ARGS(rec), + + TP_STRUCT__entry( + __field( u64, bytenr ) + __field( u64, num_bytes ) + ), + + TP_fast_assign( + __entry->bytenr = rec->bytenr, + __entry->num_bytes = rec->num_bytes; + ), + + TP_printk("bytenr = %llu, num_bytes = %llu", + (unsigned long long)__entry->bytenr, + (unsigned long long)__entry->num_bytes) +); + +DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_account_extents, + + TP_PROTO(struct btrfs_qgroup_extent_record *rec), + + TP_ARGS(rec) +); + +DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_insert_dirty_extent, + + TP_PROTO(struct btrfs_qgroup_extent_record *rec), + + TP_ARGS(rec) +); + +TRACE_EVENT(btrfs_qgroup_account_extent, + + TP_PROTO(u64 bytenr, u64 num_bytes, u64 nr_old_roots, u64 nr_new_roots), + + TP_ARGS(bytenr, num_bytes, nr_old_roots, nr_new_roots), + + TP_STRUCT__entry( + __field( u64, bytenr ) + __field( u64, num_bytes ) + __field( u64, nr_old_roots ) + __field( u64, nr_new_roots ) + ), + + TP_fast_assign( + __entry->bytenr = bytenr; + __entry->num_bytes = num_bytes; + __entry->nr_old_roots = nr_old_roots; + __entry->nr_new_roots = nr_new_roots; + ), + + TP_printk("bytenr = %llu, num_bytes = %llu, nr_old_roots = %llu, " + "nr_new_roots = %llu", + __entry->bytenr, + __entry->num_bytes, + __entry->nr_old_roots, + __entry->nr_new_roots) +); + +TRACE_EVENT(qgroup_update_counters, + + TP_PROTO(u64 qgid, u64 cur_old_count, u64 cur_new_count), + + TP_ARGS(qgid, cur_old_count, cur_new_count), + + TP_STRUCT__entry( + __field( u64, qgid ) + __field( u64, cur_old_count ) + __field( u64, cur_new_count ) + ), + + TP_fast_assign( + __entry->qgid = qgid; + __entry->cur_old_count = cur_old_count; + __entry->cur_new_count = cur_new_count; + ), + + TP_printk("qgid = %llu, cur_old_count = %llu, cur_new_count = %llu", + __entry->qgid, + __entry->cur_old_count, + __entry->cur_new_count) +); + #endif /* _TRACE_BTRFS_H */ /* This part must be outside protection */ diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index 06d6c6228a7a..d5ce71607972 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -899,7 +899,7 @@ struct usb_ssp_cap_descriptor { __le32 bmAttributes; #define USB_SSP_SUBLINK_SPEED_ATTRIBS (0x1f << 0) /* sublink speed entries */ #define USB_SSP_SUBLINK_SPEED_IDS (0xf << 5) /* speed ID entries */ - __u16 wFunctionalitySupport; + __le16 wFunctionalitySupport; #define USB_SSP_MIN_SUBLINK_SPEED_ATTRIBUTE_ID (0xf) #define USB_SSP_MIN_RX_LANE_COUNT (0xf << 8) #define USB_SSP_MIN_TX_LANE_COUNT (0xf << 12) diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h index c18264df9504..4cb65bbfa654 100644 --- a/include/uapi/linux/virtio_config.h +++ b/include/uapi/linux/virtio_config.h @@ -40,6 +40,8 @@ #define VIRTIO_CONFIG_S_DRIVER_OK 4 /* Driver has finished configuring features */ #define VIRTIO_CONFIG_S_FEATURES_OK 8 +/* Device entered invalid state, driver must reset it */ +#define VIRTIO_CONFIG_S_NEEDS_RESET 0x40 /* We've given up on this device. */ #define VIRTIO_CONFIG_S_FAILED 0x80 diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h index eeba75395f7d..ad66589f2ae6 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -194,8 +194,9 @@ int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch, int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width); void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format); void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch, - u32 pixel_format, int stride, - int u_offset, int v_offset); + unsigned int uv_stride, + unsigned int u_offset, + unsigned int v_offset); void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch, u32 pixel_format, int stride, int height); int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc); @@ -236,7 +237,7 @@ void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc); int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc, unsigned long bandwidth_mbs, int burstsize); void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc); -int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width); +void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width); struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel); void ipu_dmfc_put(struct dmfc_channel *dmfc); diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 27a7a26b1ece..8f22fbedc3a6 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -2444,6 +2444,22 @@ static struct bpf_test tests[] = { { { 0, 4294967295U } }, }, { + "ALU_ADD_X: 2 + 4294967294 = 0", + .u.insns_int = { + BPF_LD_IMM64(R0, 2), + BPF_LD_IMM64(R1, 4294967294U), + BPF_ALU32_REG(BPF_ADD, R0, R1), + BPF_JMP_IMM(BPF_JEQ, R0, 0, 2), + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, + { "ALU64_ADD_X: 1 + 2 = 3", .u.insns_int = { BPF_LD_IMM64(R0, 1), @@ -2467,6 +2483,23 @@ static struct bpf_test tests[] = { { }, { { 0, 4294967295U } }, }, + { + "ALU64_ADD_X: 2 + 4294967294 = 4294967296", + .u.insns_int = { + BPF_LD_IMM64(R0, 2), + BPF_LD_IMM64(R1, 4294967294U), + BPF_LD_IMM64(R2, 4294967296ULL), + BPF_ALU64_REG(BPF_ADD, R0, R1), + BPF_JMP_REG(BPF_JEQ, R0, R2, 2), + BPF_MOV32_IMM(R0, 0), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, /* BPF_ALU | BPF_ADD | BPF_K */ { "ALU_ADD_K: 1 + 2 = 3", @@ -2502,6 +2535,21 @@ static struct bpf_test tests[] = { { { 0, 4294967295U } }, }, { + "ALU_ADD_K: 4294967294 + 2 = 0", + .u.insns_int = { + BPF_LD_IMM64(R0, 4294967294U), + BPF_ALU32_IMM(BPF_ADD, R0, 2), + BPF_JMP_IMM(BPF_JEQ, R0, 0, 2), + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, + { "ALU_ADD_K: 0 + (-1) = 0x00000000ffffffff", .u.insns_int = { BPF_LD_IMM64(R2, 0x0), @@ -2518,6 +2566,70 @@ static struct bpf_test tests[] = { { { 0, 0x1 } }, }, { + "ALU_ADD_K: 0 + 0xffff = 0xffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffff), + BPF_ALU32_IMM(BPF_ADD, R2, 0xffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x7fffffff = 0x7fffffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x7fffffff), + BPF_ALU32_IMM(BPF_ADD, R2, 0x7fffffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x80000000 = 0x80000000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x80000000), + BPF_ALU32_IMM(BPF_ADD, R2, 0x80000000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x80008000 = 0x80008000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x80008000), + BPF_ALU32_IMM(BPF_ADD, R2, 0x80008000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { "ALU64_ADD_K: 1 + 2 = 3", .u.insns_int = { BPF_LD_IMM64(R0, 1), @@ -2551,6 +2663,22 @@ static struct bpf_test tests[] = { { { 0, 2147483647 } }, }, { + "ALU64_ADD_K: 4294967294 + 2 = 4294967296", + .u.insns_int = { + BPF_LD_IMM64(R0, 4294967294U), + BPF_LD_IMM64(R1, 4294967296ULL), + BPF_ALU64_IMM(BPF_ADD, R0, 2), + BPF_JMP_REG(BPF_JEQ, R0, R1, 2), + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, + { "ALU64_ADD_K: 2147483646 + -2147483647 = -1", .u.insns_int = { BPF_LD_IMM64(R0, 2147483646), @@ -2593,6 +2721,70 @@ static struct bpf_test tests[] = { { }, { { 0, 0x1 } }, }, + { + "ALU64_ADD_K: 0 + 0xffff = 0xffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffff), + BPF_ALU64_IMM(BPF_ADD, R2, 0xffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU64_ADD_K: 0 + 0x7fffffff = 0x7fffffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x7fffffff), + BPF_ALU64_IMM(BPF_ADD, R2, 0x7fffffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU64_ADD_K: 0 + 0x80000000 = 0xffffffff80000000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffffffff80000000LL), + BPF_ALU64_IMM(BPF_ADD, R2, 0x80000000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x80008000 = 0xffffffff80008000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffffffff80008000LL), + BPF_ALU64_IMM(BPF_ADD, R2, 0x80008000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, /* BPF_ALU | BPF_SUB | BPF_X */ { "ALU_SUB_X: 3 - 1 = 2", @@ -4222,6 +4414,20 @@ static struct bpf_test tests[] = { { }, { { 0, 1 } }, }, + { + "JMP_JGT_K: Unsigned jump: if (-1 > 1) return 1", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_LD_IMM64(R1, -1), + BPF_JMP_IMM(BPF_JGT, R1, 1, 1), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, /* BPF_JMP | BPF_JGE | BPF_K */ { "JMP_JGE_K: if (3 >= 2) return 1", @@ -4303,7 +4509,7 @@ static struct bpf_test tests[] = { .u.insns_int = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), - BPF_JMP_IMM(BPF_JNE, R1, 2, 1), + BPF_JMP_IMM(BPF_JSET, R1, 2, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), @@ -4317,7 +4523,7 @@ static struct bpf_test tests[] = { .u.insns_int = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), - BPF_JMP_IMM(BPF_JNE, R1, 0xffffffff, 1), + BPF_JMP_IMM(BPF_JSET, R1, 0xffffffff, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), @@ -4404,6 +4610,21 @@ static struct bpf_test tests[] = { { }, { { 0, 1 } }, }, + { + "JMP_JGT_X: Unsigned jump: if (-1 > 1) return 1", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_LD_IMM64(R1, -1), + BPF_LD_IMM64(R2, 1), + BPF_JMP_REG(BPF_JGT, R1, R2, 1), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, /* BPF_JMP | BPF_JGE | BPF_X */ { "JMP_JGE_X: if (3 >= 2) return 1", @@ -4474,7 +4695,7 @@ static struct bpf_test tests[] = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), BPF_LD_IMM64(R2, 2), - BPF_JMP_REG(BPF_JNE, R1, R2, 1), + BPF_JMP_REG(BPF_JSET, R1, R2, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), @@ -4489,7 +4710,7 @@ static struct bpf_test tests[] = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), BPF_LD_IMM64(R2, 0xffffffff), - BPF_JMP_REG(BPF_JNE, R1, R2, 1), + BPF_JMP_REG(BPF_JSET, R1, R2, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), diff --git a/net/core/dev.c b/net/core/dev.c index b9bcbe77d913..77a71cd68535 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4439,6 +4439,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff NAPI_GRO_CB(skb)->flush = 0; NAPI_GRO_CB(skb)->free = 0; NAPI_GRO_CB(skb)->encap_mark = 0; + NAPI_GRO_CB(skb)->is_fou = 0; NAPI_GRO_CB(skb)->gro_remcsum_start = 0; /* Setup for GRO checksum validation */ diff --git a/net/core/netpoll.c b/net/core/netpoll.c index a57bd17805b4..94acfc89ad97 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -603,6 +603,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev) const struct net_device_ops *ops; int err; + np->dev = ndev; strlcpy(np->dev_name, ndev->name, IFNAMSIZ); INIT_WORK(&np->cleanup_work, netpoll_async_cleanup); @@ -669,7 +670,6 @@ int netpoll_setup(struct netpoll *np) goto unlock; } dev_hold(ndev); - np->dev = ndev; if (netdev_master_upper_dev_get(ndev)) { np_err(np, "%s is a slave device, aborting\n", np->dev_name); @@ -770,7 +770,6 @@ int netpoll_setup(struct netpoll *np) return 0; put: - np->dev = NULL; dev_put(ndev); unlock: rtnl_unlock(); diff --git a/net/core/sock.c b/net/core/sock.c index b67b9aedb230..7e73c26b6bb4 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -221,7 +221,8 @@ static const char *const af_family_key_strings[AF_MAX+1] = { "sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" , "sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" , "sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , "sk_lock-AF_ALG" , - "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_MAX" + "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_KCM" , + "sk_lock-AF_MAX" }; static const char *const af_family_slock_key_strings[AF_MAX+1] = { "slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" , @@ -237,7 +238,8 @@ static const char *const af_family_slock_key_strings[AF_MAX+1] = { "slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" , "slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" , "slock-AF_IEEE802154", "slock-AF_CAIF" , "slock-AF_ALG" , - "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_MAX" + "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_KCM" , + "slock-AF_MAX" }; static const char *const af_family_clock_key_strings[AF_MAX+1] = { "clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" , @@ -253,7 +255,8 @@ static const char *const af_family_clock_key_strings[AF_MAX+1] = { "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" , "clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" , "clock-AF_IEEE802154", "clock-AF_CAIF" , "clock-AF_ALG" , - "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_MAX" + "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_KCM" , + "clock-AF_MAX" }; /* diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 5a94aea280d3..a39068b4a4d9 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -203,6 +203,9 @@ static struct sk_buff **fou_gro_receive(struct sk_buff **head, */ NAPI_GRO_CB(skb)->encap_mark = 0; + /* Flag this frame as already having an outer encap header */ + NAPI_GRO_CB(skb)->is_fou = 1; + rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); @@ -368,6 +371,9 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head, */ NAPI_GRO_CB(skb)->encap_mark = 0; + /* Flag this frame as already having an outer encap header */ + NAPI_GRO_CB(skb)->is_fou = 1; + rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[guehdr->proto_ctype]); diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index c47539d04b88..6a5bd4317866 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -150,6 +150,14 @@ static struct sk_buff **gre_gro_receive(struct sk_buff **head, if ((greh->flags & ~(GRE_KEY|GRE_CSUM)) != 0) goto out; + /* We can only support GRE_CSUM if we can track the location of + * the GRE header. In the case of FOU/GUE we cannot because the + * outer UDP header displaces the GRE header leaving us in a state + * of limbo. + */ + if ((greh->flags & GRE_CSUM) && NAPI_GRO_CB(skb)->is_fou) + goto out; + type = greh->protocol; rcu_read_lock(); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 31936d387cfd..af5d1f38217f 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -862,9 +862,16 @@ static void __gre_tunnel_init(struct net_device *dev) dev->hw_features |= GRE_FEATURES; if (!(tunnel->parms.o_flags & TUNNEL_SEQ)) { - /* TCP offload with GRE SEQ is not supported. */ - dev->features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; + /* TCP offload with GRE SEQ is not supported, nor + * can we support 2 levels of outer headers requiring + * an update. + */ + if (!(tunnel->parms.o_flags & TUNNEL_CSUM) || + (tunnel->encap.type == TUNNEL_ENCAP_NONE)) { + dev->features |= NETIF_F_GSO_SOFTWARE; + dev->hw_features |= NETIF_F_GSO_SOFTWARE; + } + /* Can use a lockless transmit, unless we generate * output sequences */ diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 9428345d3a07..bc972e7152c7 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1090,8 +1090,8 @@ static inline int ip6_ufo_append_data(struct sock *sk, int getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb), void *from, int length, int hh_len, int fragheaderlen, - int transhdrlen, int mtu, unsigned int flags, - const struct flowi6 *fl6) + int exthdrlen, int transhdrlen, int mtu, + unsigned int flags, const struct flowi6 *fl6) { struct sk_buff *skb; @@ -1116,7 +1116,7 @@ static inline int ip6_ufo_append_data(struct sock *sk, skb_put(skb, fragheaderlen + transhdrlen); /* initialize network header pointer */ - skb_reset_network_header(skb); + skb_set_network_header(skb, exthdrlen); /* initialize protocol header pointer */ skb->transport_header = skb->network_header + fragheaderlen; @@ -1358,7 +1358,7 @@ emsgsize: (rt->dst.dev->features & NETIF_F_UFO) && (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) { err = ip6_ufo_append_data(sk, queue, getfrag, from, length, - hh_len, fragheaderlen, + hh_len, fragheaderlen, exthdrlen, transhdrlen, mtu, flags, fl6); if (err) goto error; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index eb2ac4bb09ce..1f20345cbc97 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -252,12 +252,12 @@ static int ip6_tnl_create2(struct net_device *dev) t = netdev_priv(dev); + dev->rtnl_link_ops = &ip6_link_ops; err = register_netdevice(dev); if (err < 0) goto out; strcpy(t->parms.name, dev->name); - dev->rtnl_link_ops = &ip6_link_ops; dev_hold(dev); ip6_tnl_link(ip6n, t); diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index ec22078b0914..42de4ccd159f 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -123,12 +123,11 @@ static int l2tp_ip_recv(struct sk_buff *skb) struct l2tp_tunnel *tunnel = NULL; int length; - /* Point to L2TP header */ - optr = ptr = skb->data; - if (!pskb_may_pull(skb, 4)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; session_id = ntohl(*((__be32 *) ptr)); ptr += 4; @@ -156,6 +155,9 @@ static int l2tp_ip_recv(struct sk_buff *skb) if (!pskb_may_pull(skb, length)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; + ptr += 4; pr_debug("%s: ip recv\n", tunnel->name); print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length); } diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 6b54ff3ff4cb..cd479903d943 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -136,12 +136,11 @@ static int l2tp_ip6_recv(struct sk_buff *skb) struct l2tp_tunnel *tunnel = NULL; int length; - /* Point to L2TP header */ - optr = ptr = skb->data; - if (!pskb_may_pull(skb, 4)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; session_id = ntohl(*((__be32 *) ptr)); ptr += 4; @@ -169,6 +168,9 @@ static int l2tp_ip6_recv(struct sk_buff *skb) if (!pskb_may_pull(skb, length)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; + ptr += 4; pr_debug("%s: ip recv\n", tunnel->name); print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length); } diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 283981108ca8..74142d07ad31 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -343,8 +343,10 @@ static void ieee80211_change_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *ctx, const struct cfg80211_chan_def *chandef) { - if (cfg80211_chandef_identical(&ctx->conf.def, chandef)) + if (cfg80211_chandef_identical(&ctx->conf.def, chandef)) { + ieee80211_recalc_chanctx_min_def(local, ctx); return; + } WARN_ON(!cfg80211_chandef_compatible(&ctx->conf.def, chandef)); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 804575ff7af5..422003540169 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1719,6 +1719,10 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); void ieee80211_sta_set_rx_nss(struct sta_info *sta); +enum ieee80211_sta_rx_bandwidth +ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); +enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta); +void ieee80211_sta_set_rx_nss(struct sta_info *sta); void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt); u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 5b6aec1a0630..002244bca948 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -530,7 +530,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, const u8 *target_addr, *orig_addr; const u8 *da; u8 target_flags, ttl, flags; - u32 orig_sn, target_sn, lifetime, target_metric; + u32 orig_sn, target_sn, lifetime, target_metric = 0; bool reply = false; bool forward = true; bool root_is_gate; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index d20bab5c146c..861b93ffbe92 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -67,6 +67,7 @@ static const struct rhashtable_params sta_rht_params = { .nelem_hint = 3, /* start small */ + .insecure_elasticity = true, /* Disable chain-length checks. */ .automatic_shrinking = true, .head_offset = offsetof(struct sta_info, hash_node), .key_offset = offsetof(struct sta_info, addr), @@ -258,11 +259,11 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta) } /* Caller must hold local->sta_mtx */ -static void sta_info_hash_add(struct ieee80211_local *local, - struct sta_info *sta) +static int sta_info_hash_add(struct ieee80211_local *local, + struct sta_info *sta) { - rhashtable_insert_fast(&local->sta_hash, &sta->hash_node, - sta_rht_params); + return rhashtable_insert_fast(&local->sta_hash, &sta->hash_node, + sta_rht_params); } static void sta_deliver_ps_frames(struct work_struct *wk) @@ -524,7 +525,9 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) set_sta_flag(sta, WLAN_STA_BLOCK_BA); /* make the station visible */ - sta_info_hash_add(local, sta); + err = sta_info_hash_add(local, sta); + if (err) + goto out_drop_sta; list_add_tail_rcu(&sta->list, &local->sta_list); @@ -557,6 +560,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) out_remove: sta_info_hash_del(local, sta); list_del_rcu(&sta->list); + out_drop_sta: local->num_sta--; synchronize_net(); __cleanup_single_sta(sta); diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 053f5c4fa495..62193f4bc37b 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -377,7 +377,6 @@ DECLARE_EWMA(signal, 1024, 8) * @uploaded: set to true when sta is uploaded to the driver * @sta: station information we share with the driver * @sta_state: duplicates information about station state (for debug) - * @beacon_loss_count: number of times beacon loss has triggered * @rcu_head: RCU head used for freeing this station struct * @cur_max_bandwidth: maximum bandwidth to use for TX to the station, * taken from HT/VHT capabilities or VHT operating mode notification diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index c9eeb3f12808..a29ea813b7d5 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -4,7 +4,7 @@ * Copyright 2006-2010 Johannes Berg <[email protected]> * Copyright 2014, Intel Corporation * Copyright 2014 Intel Mobile Communications GmbH - * Copyright 2015 Intel Deutschland GmbH + * Copyright 2015 - 2016 Intel Deutschland GmbH * * This file is GPLv2 as found in COPYING. */ @@ -15,6 +15,7 @@ #include <linux/rtnetlink.h> #include "ieee80211_i.h" #include "driver-ops.h" +#include "rate.h" /* give usermode some time for retries in setting up the TDLS session */ #define TDLS_PEER_SETUP_TIMEOUT (15 * HZ) @@ -302,7 +303,7 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata, /* IEEE802.11ac-2013 Table E-4 */ u16 centers_80mhz[] = { 5210, 5290, 5530, 5610, 5690, 5775 }; struct cfg80211_chan_def uc = sta->tdls_chandef; - enum nl80211_chan_width max_width = ieee80211_get_sta_bw(&sta->sta); + enum nl80211_chan_width max_width = ieee80211_sta_cap_chan_bw(sta); int i; /* only support upgrading non-narrow channels up to 80Mhz */ @@ -313,7 +314,7 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata, if (max_width > NL80211_CHAN_WIDTH_80) max_width = NL80211_CHAN_WIDTH_80; - if (uc.width == max_width) + if (uc.width >= max_width) return; /* * Channel usage constrains in the IEEE802.11ac-2013 specification only @@ -324,6 +325,7 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata, for (i = 0; i < ARRAY_SIZE(centers_80mhz); i++) if (abs(uc.chan->center_freq - centers_80mhz[i]) <= 30) { uc.center_freq1 = centers_80mhz[i]; + uc.center_freq2 = 0; uc.width = NL80211_CHAN_WIDTH_80; break; } @@ -332,7 +334,7 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata, return; /* proceed to downgrade the chandef until usable or the same */ - while (uc.width > max_width && + while (uc.width > max_width || !cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &uc, sdata->wdev.iftype)) ieee80211_chandef_downgrade(&uc); @@ -1242,18 +1244,44 @@ int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, return ret; } -static void iee80211_tdls_recalc_chanctx(struct ieee80211_sub_if_data *sdata) +static void iee80211_tdls_recalc_chanctx(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta) { struct ieee80211_local *local = sdata->local; struct ieee80211_chanctx_conf *conf; struct ieee80211_chanctx *ctx; + enum nl80211_chan_width width; + struct ieee80211_supported_band *sband; mutex_lock(&local->chanctx_mtx); conf = rcu_dereference_protected(sdata->vif.chanctx_conf, lockdep_is_held(&local->chanctx_mtx)); if (conf) { + width = conf->def.width; + sband = local->hw.wiphy->bands[conf->def.chan->band]; ctx = container_of(conf, struct ieee80211_chanctx, conf); ieee80211_recalc_chanctx_chantype(local, ctx); + + /* if width changed and a peer is given, update its BW */ + if (width != conf->def.width && sta && + test_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW)) { + enum ieee80211_sta_rx_bandwidth bw; + + bw = ieee80211_chan_width_to_rx_bw(conf->def.width); + bw = min(bw, ieee80211_sta_cap_rx_bw(sta)); + if (bw != sta->sta.bandwidth) { + sta->sta.bandwidth = bw; + rate_control_rate_update(local, sband, sta, + IEEE80211_RC_BW_CHANGED); + /* + * if a TDLS peer BW was updated, we need to + * recalc the chandef width again, to get the + * correct chanctx min_def + */ + ieee80211_recalc_chanctx_chantype(local, ctx); + } + } + } mutex_unlock(&local->chanctx_mtx); } @@ -1350,8 +1378,6 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, break; } - iee80211_tdls_recalc_chanctx(sdata); - mutex_lock(&local->sta_mtx); sta = sta_info_get(sdata, peer); if (!sta) { @@ -1360,6 +1386,7 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, break; } + iee80211_tdls_recalc_chanctx(sdata, sta); iee80211_tdls_recalc_ht_protection(sdata, sta); set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); @@ -1390,7 +1417,7 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, iee80211_tdls_recalc_ht_protection(sdata, NULL); mutex_unlock(&local->sta_mtx); - iee80211_tdls_recalc_chanctx(sdata); + iee80211_tdls_recalc_chanctx(sdata, NULL); break; default: ret = -ENOTSUPP; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 62ad5321257d..21f6602395f7 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1116,11 +1116,15 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx, reset_agg_timer = true; } else { queued = true; + if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER) { + clear_sta_flag(tx->sta, WLAN_STA_SP); + ps_dbg(tx->sta->sdata, + "STA %pM aid %d: SP frame queued, close the SP w/o telling the peer\n", + tx->sta->sta.addr, tx->sta->sta.aid); + } info->control.vif = &tx->sdata->vif; info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; - info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS | - IEEE80211_TX_CTL_NO_PS_BUFFER | - IEEE80211_TX_STATUS_EOSP; + info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; __skb_queue_tail(&tid_tx->pending, skb); if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER) purge_skb = __skb_dequeue(&tid_tx->pending); @@ -1247,7 +1251,8 @@ static void ieee80211_drv_tx(struct ieee80211_local *local, struct txq_info *txqi; u8 ac; - if (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE) + if ((info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) || + (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE)) goto tx_normal; if (!ieee80211_is_data(hdr->frame_control)) diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index 89e04d55aa18..e590e2ef9eaf 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -319,7 +319,30 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta) return IEEE80211_STA_RX_BW_80; } -static enum ieee80211_sta_rx_bandwidth +enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta) +{ + struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap; + u32 cap_width; + + if (!vht_cap->vht_supported) { + if (!sta->sta.ht_cap.ht_supported) + return NL80211_CHAN_WIDTH_20_NOHT; + + return sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? + NL80211_CHAN_WIDTH_40 : NL80211_CHAN_WIDTH_20; + } + + cap_width = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; + + if (cap_width == IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ) + return NL80211_CHAN_WIDTH_160; + else if (cap_width == IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) + return NL80211_CHAN_WIDTH_80P80; + + return NL80211_CHAN_WIDTH_80; +} + +enum ieee80211_sta_rx_bandwidth ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width) { switch (width) { @@ -347,10 +370,7 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta) bw = ieee80211_sta_cap_rx_bw(sta); bw = min(bw, sta->cur_max_bandwidth); - - /* do not cap the BW of TDLS WIDER_BW peers by the bss */ - if (!test_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW)) - bw = min(bw, ieee80211_chan_width_to_rx_bw(bss_width)); + bw = min(bw, ieee80211_chan_width_to_rx_bw(bss_width)); return bw; } diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index b18c5ed42d95..0b80a7140cc4 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -543,6 +543,9 @@ static struct net_device *find_outdev(struct net *net, if (!dev) return ERR_PTR(-ENODEV); + if (IS_ERR(dev)) + return dev; + /* The caller is holding rtnl anyways, so release the dev reference */ dev_put(dev); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 1ecfa710ca98..f12c17f355d9 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -4151,7 +4151,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, /* Opening a Tx-ring is NOT supported in TPACKET_V3 */ if (!closing && tx_ring && (po->tp_version > TPACKET_V2)) { - WARN(1, "Tx-ring is not supported.\n"); + net_warn_ratelimited("Tx-ring is not supported.\n"); goto out; } diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c index 977fb86065b7..abc8cc805e8d 100644 --- a/net/rds/ib_recv.c +++ b/net/rds/ib_recv.c @@ -796,7 +796,7 @@ static void rds_ib_cong_recv(struct rds_connection *conn, addr = kmap_atomic(sg_page(&frag->f_sg)); - src = addr + frag_off; + src = addr + frag->f_sg.offset + frag_off; dst = (void *)map->m_page_addrs[map_page] + map_off; for (k = 0; k < to_copy; k += 8) { /* Record ports that became uncongested, ie diff --git a/net/rds/page.c b/net/rds/page.c index 616f21f4e7d7..e2b5a5832d3d 100644 --- a/net/rds/page.c +++ b/net/rds/page.c @@ -135,8 +135,8 @@ int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes, if (rem->r_offset != 0) rds_stats_inc(s_page_remainder_hit); - rem->r_offset += bytes; - if (rem->r_offset == PAGE_SIZE) { + rem->r_offset += ALIGN(bytes, 8); + if (rem->r_offset >= PAGE_SIZE) { __free_page(rem->r_page); rem->r_page = NULL; } diff --git a/net/sctp/output.c b/net/sctp/output.c index 97745351d58c..9844fe573029 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -705,7 +705,8 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet, /* Check whether this chunk and all the rest of pending data will fit * or delay in hopes of bundling a full sized packet. */ - if (chunk->skb->len + q->out_qlen >= transport->pathmtu - packet->overhead) + if (chunk->skb->len + q->out_qlen > + transport->pathmtu - packet->overhead - sizeof(sctp_data_chunk_t) - 4) /* Enough data queued to fill a packet */ return SCTP_XMIT_OK; diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 0a369bb440e7..662bdd20a748 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -842,7 +842,7 @@ static void vmci_transport_peer_detach_cb(u32 sub_id, * qp_handle. */ if (vmci_handle_is_invalid(e_payload->handle) || - vmci_handle_is_equal(trans->qp_handle, e_payload->handle)) + !vmci_handle_is_equal(trans->qp_handle, e_payload->handle)) return; /* We don't ask for delayed CBs when we subscribe to this event (we @@ -2154,7 +2154,7 @@ module_exit(vmci_transport_exit); MODULE_AUTHOR("VMware, Inc."); MODULE_DESCRIPTION("VMCI transport for Virtual Sockets"); -MODULE_VERSION("1.0.2.0-k"); +MODULE_VERSION("1.0.3.0-k"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("vmware_vsock"); MODULE_ALIAS_NETPROTO(PF_VSOCK); diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 502c9fc8db85..b820cc96a3bc 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -76,16 +76,10 @@ HOSTLOADLIBES_offwaketime += -lelf HOSTLOADLIBES_spintest += -lelf HOSTLOADLIBES_map_perf_test += -lelf -lrt -# point this to your LLVM backend with bpf support -LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc - -# asm/sysreg.h inline assmbly used by it is incompatible with llvm. -# But, ehere is not easy way to fix it, so just exclude it since it is +# asm/sysreg.h - inline assembly used by it is incompatible with llvm. +# But, there is no easy way to fix it, so just exclude it since it is # useless for BPF samples. $(obj)/%.o: $(src)/%.c clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ - -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ - clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ - -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ - -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=asm -o [email protected] + -O2 -emit-llvm -c $< -o -| llc -march=bpf -filetype=obj -o $@ diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h index 9363500131a7..7904a2a493de 100644 --- a/samples/bpf/bpf_helpers.h +++ b/samples/bpf/bpf_helpers.h @@ -82,6 +82,7 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag #define PT_REGS_FP(x) ((x)->bp) #define PT_REGS_RC(x) ((x)->ax) #define PT_REGS_SP(x) ((x)->sp) +#define PT_REGS_IP(x) ((x)->ip) #elif defined(__s390x__) @@ -94,6 +95,7 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag #define PT_REGS_FP(x) ((x)->gprs[11]) /* Works only with CONFIG_FRAME_POINTER */ #define PT_REGS_RC(x) ((x)->gprs[2]) #define PT_REGS_SP(x) ((x)->gprs[15]) +#define PT_REGS_IP(x) ((x)->ip) #elif defined(__aarch64__) @@ -106,6 +108,30 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag #define PT_REGS_FP(x) ((x)->regs[29]) /* Works only with CONFIG_FRAME_POINTER */ #define PT_REGS_RC(x) ((x)->regs[0]) #define PT_REGS_SP(x) ((x)->sp) +#define PT_REGS_IP(x) ((x)->pc) + +#elif defined(__powerpc__) + +#define PT_REGS_PARM1(x) ((x)->gpr[3]) +#define PT_REGS_PARM2(x) ((x)->gpr[4]) +#define PT_REGS_PARM3(x) ((x)->gpr[5]) +#define PT_REGS_PARM4(x) ((x)->gpr[6]) +#define PT_REGS_PARM5(x) ((x)->gpr[7]) +#define PT_REGS_RC(x) ((x)->gpr[3]) +#define PT_REGS_SP(x) ((x)->sp) +#define PT_REGS_IP(x) ((x)->nip) #endif + +#ifdef __powerpc__ +#define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = (ctx)->link; }) +#define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP +#else +#define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ \ + bpf_probe_read(&(ip), sizeof(ip), (void *)PT_REGS_RET(ctx)); }) +#define BPF_KRETPROBE_READ_RET_IP(ip, ctx) ({ \ + bpf_probe_read(&(ip), sizeof(ip), \ + (void *)(PT_REGS_FP(ctx) + sizeof(ip))); }) +#endif + #endif diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c index 95af56ec5739..3147377e8fd3 100644 --- a/samples/bpf/map_perf_test_user.c +++ b/samples/bpf/map_perf_test_user.c @@ -17,6 +17,7 @@ #include <linux/bpf.h> #include <string.h> #include <time.h> +#include <sys/resource.h> #include "libbpf.h" #include "bpf_load.h" diff --git a/samples/bpf/spintest_kern.c b/samples/bpf/spintest_kern.c index 4b27619d91a4..ce0167d09cdc 100644 --- a/samples/bpf/spintest_kern.c +++ b/samples/bpf/spintest_kern.c @@ -34,7 +34,7 @@ struct bpf_map_def SEC("maps") stackmap = { #define PROG(foo) \ int foo(struct pt_regs *ctx) \ { \ - long v = ctx->ip, *val; \ + long v = PT_REGS_IP(ctx), *val; \ \ val = bpf_map_lookup_elem(&my_map, &v); \ bpf_map_update_elem(&my_map, &v, &v, BPF_ANY); \ diff --git a/samples/bpf/tracex2_kern.c b/samples/bpf/tracex2_kern.c index 09c1adc27d42..6d6eefd0d465 100644 --- a/samples/bpf/tracex2_kern.c +++ b/samples/bpf/tracex2_kern.c @@ -27,10 +27,10 @@ int bpf_prog2(struct pt_regs *ctx) long init_val = 1; long *value; - /* x64/s390x specific: read ip of kfree_skb caller. + /* read ip of kfree_skb caller. * non-portable version of __builtin_return_address(0) */ - bpf_probe_read(&loc, sizeof(loc), (void *)PT_REGS_RET(ctx)); + BPF_KPROBE_READ_RET_IP(loc, ctx); value = bpf_map_lookup_elem(&my_map, &loc); if (value) diff --git a/samples/bpf/tracex4_kern.c b/samples/bpf/tracex4_kern.c index ac4671420cf1..6dd8e384de96 100644 --- a/samples/bpf/tracex4_kern.c +++ b/samples/bpf/tracex4_kern.c @@ -40,7 +40,7 @@ int bpf_prog2(struct pt_regs *ctx) long ip = 0; /* get ip address of kmem_cache_alloc_node() caller */ - bpf_probe_read(&ip, sizeof(ip), (void *)(PT_REGS_FP(ctx) + sizeof(ip))); + BPF_KRETPROBE_READ_RET_IP(ip, ctx); struct pair v = { .val = bpf_ktime_get_ns(), diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 20a257a12ea5..acbf7ff2ee6e 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -66,6 +66,8 @@ unsigned int do_slm_cstates; unsigned int use_c1_residency_msr; unsigned int has_aperf; unsigned int has_epb; +unsigned int do_irtl_snb; +unsigned int do_irtl_hsw; unsigned int units = 1000000; /* MHz etc */ unsigned int genuine_intel; unsigned int has_invariant_tsc; @@ -187,7 +189,7 @@ struct pkg_data { unsigned long long pkg_any_core_c0; unsigned long long pkg_any_gfxe_c0; unsigned long long pkg_both_core_gfxe_c0; - unsigned long long gfx_rc6_ms; + long long gfx_rc6_ms; unsigned int gfx_mhz; unsigned int package_id; unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ @@ -621,8 +623,14 @@ int format_counters(struct thread_data *t, struct core_data *c, outp += sprintf(outp, "%8d", p->pkg_temp_c); /* GFXrc6 */ - if (do_gfx_rc6_ms) - outp += sprintf(outp, "%8.2f", 100.0 * p->gfx_rc6_ms / 1000.0 / interval_float); + if (do_gfx_rc6_ms) { + if (p->gfx_rc6_ms == -1) { /* detect counter reset */ + outp += sprintf(outp, " ***.**"); + } else { + outp += sprintf(outp, "%8.2f", + p->gfx_rc6_ms / 10.0 / interval_float); + } + } /* GFXMHz */ if (do_gfx_mhz) @@ -766,7 +774,12 @@ delta_package(struct pkg_data *new, struct pkg_data *old) old->pc10 = new->pc10 - old->pc10; old->pkg_temp_c = new->pkg_temp_c; - old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; + /* flag an error when rc6 counter resets/wraps */ + if (old->gfx_rc6_ms > new->gfx_rc6_ms) + old->gfx_rc6_ms = -1; + else + old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; + old->gfx_mhz = new->gfx_mhz; DELTA_WRAP32(new->energy_pkg, old->energy_pkg); @@ -1296,6 +1309,7 @@ int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; +int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; static void @@ -1579,6 +1593,47 @@ dump_config_tdp(void) fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); fprintf(outf, ")\n"); } + +unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; + +void print_irtl(void) +{ + unsigned long long msr; + + get_msr(base_cpu, MSR_PKGC3_IRTL, &msr); + fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr); + fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", + (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); + + get_msr(base_cpu, MSR_PKGC6_IRTL, &msr); + fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr); + fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", + (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); + + get_msr(base_cpu, MSR_PKGC7_IRTL, &msr); + fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr); + fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", + (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); + + if (!do_irtl_hsw) + return; + + get_msr(base_cpu, MSR_PKGC8_IRTL, &msr); + fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr); + fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", + (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); + + get_msr(base_cpu, MSR_PKGC9_IRTL, &msr); + fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr); + fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", + (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); + + get_msr(base_cpu, MSR_PKGC10_IRTL, &msr); + fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr); + fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", + (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); + +} void free_fd_percpu(void) { int i; @@ -2144,6 +2199,9 @@ int probe_nhm_msrs(unsigned int family, unsigned int model) case 0x56: /* BDX-DE */ case 0x4E: /* SKL */ case 0x5E: /* SKL */ + case 0x8E: /* KBL */ + case 0x9E: /* KBL */ + case 0x55: /* SKX */ pkg_cstate_limits = hsw_pkg_cstate_limits; break; case 0x37: /* BYT */ @@ -2156,6 +2214,9 @@ int probe_nhm_msrs(unsigned int family, unsigned int model) case 0x57: /* PHI */ pkg_cstate_limits = phi_pkg_cstate_limits; break; + case 0x5C: /* BXT */ + pkg_cstate_limits = bxt_pkg_cstate_limits; + break; default: return 0; } @@ -2248,6 +2309,9 @@ int has_config_tdp(unsigned int family, unsigned int model) case 0x56: /* BDX-DE */ case 0x4E: /* SKL */ case 0x5E: /* SKL */ + case 0x8E: /* KBL */ + case 0x9E: /* KBL */ + case 0x55: /* SKX */ case 0x57: /* Knights Landing */ return 1; @@ -2585,13 +2649,19 @@ void rapl_probe(unsigned int family, unsigned int model) case 0x47: /* BDW */ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; break; + case 0x5C: /* BXT */ + do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO; + break; case 0x4E: /* SKL */ case 0x5E: /* SKL */ + case 0x8E: /* KBL */ + case 0x9E: /* KBL */ do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; break; case 0x3F: /* HSX */ case 0x4F: /* BDX */ case 0x56: /* BDX-DE */ + case 0x55: /* SKX */ case 0x57: /* KNL */ do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; break; @@ -2871,6 +2941,10 @@ int has_snb_msrs(unsigned int family, unsigned int model) case 0x56: /* BDX-DE */ case 0x4E: /* SKL */ case 0x5E: /* SKL */ + case 0x8E: /* KBL */ + case 0x9E: /* KBL */ + case 0x55: /* SKX */ + case 0x5C: /* BXT */ return 1; } return 0; @@ -2879,9 +2953,14 @@ int has_snb_msrs(unsigned int family, unsigned int model) /* * HSW adds support for additional MSRs: * - * MSR_PKG_C8_RESIDENCY 0x00000630 - * MSR_PKG_C9_RESIDENCY 0x00000631 - * MSR_PKG_C10_RESIDENCY 0x00000632 + * MSR_PKG_C8_RESIDENCY 0x00000630 + * MSR_PKG_C9_RESIDENCY 0x00000631 + * MSR_PKG_C10_RESIDENCY 0x00000632 + * + * MSR_PKGC8_IRTL 0x00000633 + * MSR_PKGC9_IRTL 0x00000634 + * MSR_PKGC10_IRTL 0x00000635 + * */ int has_hsw_msrs(unsigned int family, unsigned int model) { @@ -2893,6 +2972,9 @@ int has_hsw_msrs(unsigned int family, unsigned int model) case 0x3D: /* BDW */ case 0x4E: /* SKL */ case 0x5E: /* SKL */ + case 0x8E: /* KBL */ + case 0x9E: /* KBL */ + case 0x5C: /* BXT */ return 1; } return 0; @@ -2914,6 +2996,8 @@ int has_skl_msrs(unsigned int family, unsigned int model) switch (model) { case 0x4E: /* SKL */ case 0x5E: /* SKL */ + case 0x8E: /* KBL */ + case 0x9E: /* KBL */ return 1; } return 0; @@ -3187,7 +3271,7 @@ void process_cpuid() if (debug) decode_misc_enable_msr(); - if (max_level >= 0x7) { + if (max_level >= 0x7 && debug) { int has_sgx; ecx = 0; @@ -3221,7 +3305,15 @@ void process_cpuid() switch(model) { case 0x4E: /* SKL */ case 0x5E: /* SKL */ - crystal_hz = 24000000; /* 24 MHz */ + case 0x8E: /* KBL */ + case 0x9E: /* KBL */ + crystal_hz = 24000000; /* 24.0 MHz */ + break; + case 0x55: /* SKX */ + crystal_hz = 25000000; /* 25.0 MHz */ + break; + case 0x5C: /* BXT */ + crystal_hz = 19200000; /* 19.2 MHz */ break; default: crystal_hz = 0; @@ -3254,11 +3346,13 @@ void process_cpuid() do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); do_snb_cstates = has_snb_msrs(family, model); + do_irtl_snb = has_snb_msrs(family, model); do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); do_pc3 = (pkg_cstate_limit >= PCL__3); do_pc6 = (pkg_cstate_limit >= PCL__6); do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); do_c8_c9_c10 = has_hsw_msrs(family, model); + do_irtl_hsw = has_hsw_msrs(family, model); do_skl_residency = has_skl_msrs(family, model); do_slm_cstates = is_slm(family, model); do_knl_cstates = is_knl(family, model); @@ -3564,6 +3658,9 @@ void turbostat_init() if (debug) for_all_cpus(print_thermal, ODD_COUNTERS); + + if (debug && do_irtl_snb) + print_irtl(); } int fork_it(char **argv) @@ -3629,7 +3726,7 @@ int get_and_dump_counters(void) } void print_version() { - fprintf(outf, "turbostat version 4.11 27 Feb 2016" + fprintf(outf, "turbostat version 4.12 5 Apr 2016" " - Len Brown <[email protected]>\n"); } |