diff options
192 files changed, 3016 insertions, 2211 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index e63b446..13f888a 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -952,6 +952,14 @@ When kbuild executes, the following steps are followed (roughly): $(KBUILD_ARFLAGS) set by the top level Makefile to "D" (deterministic mode) if this option is supported by $(AR). + ARCH_CPPFLAGS, ARCH_AFLAGS, ARCH_CFLAGS Overrides the kbuild defaults + + These variables are appended to the KBUILD_CPPFLAGS, + KBUILD_AFLAGS, and KBUILD_CFLAGS, respectively, after the + top-level Makefile has set any other flags. This provides a + means for an architecture to override the defaults. + + --- 6.2 Add prerequisites to archheaders: The archheaders: rule is used to generate header files that diff --git a/MAINTAINERS b/MAINTAINERS index fd60784..2d3d55c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7019,6 +7019,7 @@ F: include/uapi/linux/netfilter/ F: net/*/netfilter.c F: net/*/netfilter/ F: net/netfilter/ +F: net/bridge/br_netfilter*.c NETLABEL M: Paul Moore <paul@paul-moore.com> @@ -780,10 +780,11 @@ endif include scripts/Makefile.kasan include scripts/Makefile.extrawarn -# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments -KBUILD_CPPFLAGS += $(KCPPFLAGS) -KBUILD_AFLAGS += $(KAFLAGS) -KBUILD_CFLAGS += $(KCFLAGS) +# Add any arch overrides and user supplied CPPFLAGS, AFLAGS and CFLAGS as the +# last assignments +KBUILD_CPPFLAGS += $(ARCH_CPPFLAGS) $(KCPPFLAGS) +KBUILD_AFLAGS += $(ARCH_AFLAGS) $(KAFLAGS) +KBUILD_CFLAGS += $(ARCH_CFLAGS) $(KCFLAGS) # Use --build-id when available. LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index e7cee0a..91cf405 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -115,6 +115,7 @@ if ISA_ARCOMPACT config ARC_CPU_750D bool "ARC750D" + select ARC_CANT_LLSC help Support for ARC750 core @@ -362,7 +363,7 @@ config ARC_CANT_LLSC config ARC_HAS_LLSC bool "Insn: LLOCK/SCOND (efficient atomic ops)" default y - depends on !ARC_CPU_750D && !ARC_CANT_LLSC + depends on !ARC_CANT_LLSC config ARC_HAS_SWAPE bool "Insn: SWAPE (endian-swap)" diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 6107062..46d8731 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -49,7 +49,8 @@ endif ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 -cflags-y += -O3 +# Note: No need to add to cflags-y as that happens anyways +ARCH_CFLAGS += -O3 endif # small data is default for elf32 tool-chain. If not usable, disable it diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi index 15c8d62..1cd5e82 100644 --- a/arch/arc/boot/dts/axc003.dtsi +++ b/arch/arc/boot/dts/axc003.dtsi @@ -12,7 +12,7 @@ / { compatible = "snps,arc"; - clock-frequency = <75000000>; + clock-frequency = <90000000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi index 199d428..2f0b332 100644 --- a/arch/arc/boot/dts/axc003_idu.dtsi +++ b/arch/arc/boot/dts/axc003_idu.dtsi @@ -12,7 +12,7 @@ / { compatible = "snps,arc"; - clock-frequency = <75000000>; + clock-frequency = <90000000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 99fe118..57c1f33 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -50,8 +50,7 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\ * done for const @nr, but no code is generated due to gcc \ * const prop. \ */ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ + nr &= 0x1f; \ \ __asm__ __volatile__( \ "1: llock %0, [%1] \n" \ @@ -82,8 +81,7 @@ static inline int test_and_##op##_bit(unsigned long nr, volatile unsigned long * \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ + nr &= 0x1f; \ \ /* \ * Explicit full memory barrier needed before/after as \ @@ -129,16 +127,13 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\ unsigned long temp, flags; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ /* \ * spin lock/unlock provide the needed smp_mb() before/after \ */ \ bitops_lock(flags); \ \ temp = *m; \ - *m = temp c_op (1UL << nr); \ + *m = temp c_op (1UL << (nr & 0x1f)); \ \ bitops_unlock(flags); \ } @@ -149,17 +144,14 @@ static inline int test_and_##op##_bit(unsigned long nr, volatile unsigned long * unsigned long old, flags; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ bitops_lock(flags); \ \ old = *m; \ - *m = old c_op (1 << nr); \ + *m = old c_op (1UL << (nr & 0x1f)); \ \ bitops_unlock(flags); \ \ - return (old & (1 << nr)) != 0; \ + return (old & (1UL << (nr & 0x1f))) != 0; \ } #endif /* CONFIG_ARC_HAS_LLSC */ @@ -174,11 +166,8 @@ static inline void __##op##_bit(unsigned long nr, volatile unsigned long *m) \ unsigned long temp; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ temp = *m; \ - *m = temp c_op (1UL << nr); \ + *m = temp c_op (1UL << (nr & 0x1f)); \ } #define __TEST_N_BIT_OP(op, c_op, asm_op) \ @@ -187,13 +176,10 @@ static inline int __test_and_##op##_bit(unsigned long nr, volatile unsigned long unsigned long old; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ old = *m; \ - *m = old c_op (1 << nr); \ + *m = old c_op (1UL << (nr & 0x1f)); \ \ - return (old & (1 << nr)) != 0; \ + return (old & (1UL << (nr & 0x1f))) != 0; \ } #define BIT_OPS(op, c_op, asm_op) \ @@ -224,10 +210,7 @@ test_bit(unsigned int nr, const volatile unsigned long *addr) addr += nr >> 5; - if (__builtin_constant_p(nr)) - nr &= 0x1f; - - mask = 1 << nr; + mask = 1UL << (nr & 0x1f); return ((mask & *addr) != 0); } diff --git a/arch/arc/include/asm/futex.h b/arch/arc/include/asm/futex.h index 05b5aaf..70cfe16 100644 --- a/arch/arc/include/asm/futex.h +++ b/arch/arc/include/asm/futex.h @@ -16,12 +16,40 @@ #include <linux/uaccess.h> #include <asm/errno.h> +#ifdef CONFIG_ARC_HAS_LLSC + +#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)\ + \ + __asm__ __volatile__( \ + "1: llock %1, [%2] \n" \ + insn "\n" \ + "2: scond %0, [%2] \n" \ + " bnz 1b \n" \ + " mov %0, 0 \n" \ + "3: \n" \ + " .section .fixup,\"ax\" \n" \ + " .align 4 \n" \ + "4: mov %0, %4 \n" \ + " b 3b \n" \ + " .previous \n" \ + " .section __ex_table,\"a\" \n" \ + " .align 4 \n" \ + " .word 1b, 4b \n" \ + " .word 2b, 4b \n" \ + " .previous \n" \ + \ + : "=&r" (ret), "=&r" (oldval) \ + : "r" (uaddr), "r" (oparg), "ir" (-EFAULT) \ + : "cc", "memory") + +#else /* !CONFIG_ARC_HAS_LLSC */ + #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)\ \ __asm__ __volatile__( \ - "1: ld %1, [%2] \n" \ + "1: ld %1, [%2] \n" \ insn "\n" \ - "2: st %0, [%2] \n" \ + "2: st %0, [%2] \n" \ " mov %0, 0 \n" \ "3: \n" \ " .section .fixup,\"ax\" \n" \ @@ -39,6 +67,8 @@ : "r" (uaddr), "r" (oparg), "ir" (-EFAULT) \ : "cc", "memory") +#endif + static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; @@ -123,11 +153,17 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval, pagefault_disable(); - /* TBD : can use llock/scond */ __asm__ __volatile__( - "1: ld %0, [%3] \n" - " brne %0, %1, 3f \n" - "2: st %2, [%3] \n" +#ifdef CONFIG_ARC_HAS_LLSC + "1: llock %0, [%3] \n" + " brne %0, %1, 3f \n" + "2: scond %2, [%3] \n" + " bnz 1b \n" +#else + "1: ld %0, [%3] \n" + " brne %0, %1, 3f \n" + "2: st %2, [%3] \n" +#endif "3: \n" " .section .fixup,\"ax\" \n" "4: mov %0, %4 \n" diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h index 9175597..91694ec 100644 --- a/arch/arc/include/asm/ptrace.h +++ b/arch/arc/include/asm/ptrace.h @@ -106,7 +106,7 @@ struct callee_regs { long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13; }; -#define instruction_pointer(regs) ((regs)->ret) +#define instruction_pointer(regs) (unsigned long)((regs)->ret) #define profile_pc(regs) instruction_pointer(regs) /* return 1 if user mode or 0 if kernel mode */ diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c index 6208c63..26c1568 100644 --- a/arch/arc/kernel/intc-arcv2.c +++ b/arch/arc/kernel/intc-arcv2.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/irqdomain.h> #include <linux/irqchip.h> -#include "../../drivers/irqchip/irqchip.h" #include <asm/irq.h> /* diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c index fcdddb6..039fac3 100644 --- a/arch/arc/kernel/intc-compact.c +++ b/arch/arc/kernel/intc-compact.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/irqdomain.h> #include <linux/irqchip.h> -#include "../../drivers/irqchip/irqchip.h" #include <asm/irq.h> /* diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index 30284e8..2fb8658 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -175,7 +175,6 @@ void mcip_init_early_smp(void) #include <linux/irqchip.h> #include <linux/of.h> #include <linux/of_irq.h> -#include "../../drivers/irqchip/irqchip.h" /* * Set the DEST for @cmn_irq to @cpu_mask (1 bit per core) @@ -218,11 +217,28 @@ static void idu_irq_unmask(struct irq_data *data) raw_spin_unlock_irqrestore(&mcip_lock, flags); } +#ifdef CONFIG_SMP static int -idu_irq_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool f) +idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, + bool force) { + unsigned long flags; + cpumask_t online; + + /* errout if no online cpu per @cpumask */ + if (!cpumask_and(&online, cpumask, cpu_online_mask)) + return -EINVAL; + + raw_spin_lock_irqsave(&mcip_lock, flags); + + idu_set_dest(data->hwirq, cpumask_bits(&online)[0]); + idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, IDU_M_DISTRI_RR); + + raw_spin_unlock_irqrestore(&mcip_lock, flags); + return IRQ_SET_MASK_OK; } +#endif static struct irq_chip idu_irq_chip = { .name = "MCIP IDU Intc", @@ -330,8 +346,7 @@ idu_of_init(struct device_node *intc, struct device_node *parent) if (!i) idu_first_irq = irq; - irq_set_handler_data(irq, domain); - irq_set_chained_handler(irq, idu_cascade_isr); + irq_set_chained_handler_and_data(irq, idu_cascade_isr, domain); } __mcip_cmd(CMD_IDU_ENABLE, 0); diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index a3d1862..18cc015 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -142,17 +142,22 @@ static void read_arc_build_cfg_regs(void) } static const struct cpuinfo_data arc_cpu_tbl[] = { +#ifdef CONFIG_ISA_ARCOMPACT { {0x20, "ARC 600" }, 0x2F}, { {0x30, "ARC 700" }, 0x33}, { {0x34, "ARC 700 R4.10"}, 0x34}, { {0x35, "ARC 700 R4.11"}, 0x35}, - { {0x50, "ARC HS38" }, 0x51}, +#else + { {0x50, "ARC HS38 R2.0"}, 0x51}, + { {0x52, "ARC HS38 R2.1"}, 0x52}, +#endif { {0x00, NULL } } }; -#define IS_AVAIL1(v, str) ((v) ? str : "") -#define IS_USED(cfg) (IS_ENABLED(cfg) ? "" : "(not used) ") -#define IS_AVAIL2(v, str, cfg) IS_AVAIL1(v, str), IS_AVAIL1(v, IS_USED(cfg)) +#define IS_AVAIL1(v, s) ((v) ? s : "") +#define IS_USED_RUN(v) ((v) ? "" : "(not used) ") +#define IS_USED_CFG(cfg) IS_USED_RUN(IS_ENABLED(cfg)) +#define IS_AVAIL2(v, s, cfg) IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg)) static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { @@ -226,7 +231,7 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); } n += scnprintf(buf + n, len - n, "%s", - IS_USED(CONFIG_ARC_HAS_HW_MPY)); + IS_USED_CFG(CONFIG_ARC_HAS_HW_MPY)); } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index 807f7d6..a6f91e8 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -58,7 +58,6 @@ static void show_callee_regs(struct callee_regs *cregs) static void print_task_path_n_nm(struct task_struct *tsk, char *buf) { - struct path path; char *path_nm = NULL; struct mm_struct *mm; struct file *exe_file; diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c index b29d62e..1cd6695 100644 --- a/arch/arc/mm/cache.c +++ b/arch/arc/mm/cache.c @@ -468,10 +468,18 @@ static void __ic_line_inv_vaddr(unsigned long paddr, unsigned long vaddr, noinline void slc_op(unsigned long paddr, unsigned long sz, const int op) { #ifdef CONFIG_ISA_ARCV2 + /* + * SLC is shared between all cores and concurrent aux operations from + * multiple cores need to be serialized using a spinlock + * A concurrent operation can be silently ignored and/or the old/new + * operation can remain incomplete forever (lockup in SLC_CTRL_BUSY loop + * below) + */ + static DEFINE_SPINLOCK(lock); unsigned long flags; unsigned int ctrl; - local_irq_save(flags); + spin_lock_irqsave(&lock, flags); /* * The Region Flush operation is specified by CTRL.RGN_OP[11..9] @@ -504,7 +512,7 @@ noinline void slc_op(unsigned long paddr, unsigned long sz, const int op) while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY); - local_irq_restore(flags); + spin_unlock_irqrestore(&lock, flags); #endif } diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 74a637a..57706a9 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -60,8 +60,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size, /* This is kernel Virtual address (0x7000_0000 based) */ kvaddr = ioremap_nocache((unsigned long)paddr, size); - if (kvaddr != NULL) - memset(kvaddr, 0, size); + if (kvaddr == NULL) + return NULL; /* This is bus address, platform dependent */ *dma_handle = (dma_addr_t)paddr; diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index aa46590..096f68b 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -686,7 +686,8 @@ &dcan1 { status = "ok"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&dcan1_pins_default>; + pinctrl-names = "default", "sleep", "active"; + pinctrl-0 = <&dcan1_pins_sleep>; pinctrl-1 = <&dcan1_pins_sleep>; + pinctrl-2 = <&dcan1_pins_default>; }; diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts index 4e1b605..8037384 100644 --- a/arch/arm/boot/dts/dra72-evm.dts +++ b/arch/arm/boot/dts/dra72-evm.dts @@ -587,9 +587,10 @@ &dcan1 { status = "ok"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&dcan1_pins_default>; + pinctrl-names = "default", "sleep", "active"; + pinctrl-0 = <&dcan1_pins_sleep>; pinctrl-1 = <&dcan1_pins_sleep>; + pinctrl-2 = <&dcan1_pins_default>; }; &qspi { diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 33013df..c496d48 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -125,6 +125,13 @@ endif # M68KCLASSIC if COLDFIRE +choice + prompt "ColdFire SoC type" + default M520x + help + Select the type of ColdFire System-on-Chip (SoC) that you want + to build for. + config M5206 bool "MCF5206" depends on !MMU @@ -174,9 +181,6 @@ config M525x help Freescale (Motorola) Coldfire 5251/5253 processor support. -config M527x - bool - config M5271 bool "MCF5271" depends on !MMU @@ -223,9 +227,6 @@ config M5307 help Motorola ColdFire 5307 processor support. -config M53xx - bool - config M532x bool "MCF532x" depends on !MMU @@ -251,9 +252,6 @@ config M5407 help Motorola ColdFire 5407 processor support. -config M54xx - bool - config M547x bool "MCF547x" select M54xx @@ -280,6 +278,17 @@ config M5441x help Freescale Coldfire 54410/54415/54416/54417/54418 processor support. +endchoice + +config M527x + bool + +config M53xx + bool + +config M54xx + bool + endif # COLDFIRE @@ -416,22 +425,18 @@ config HAVE_MBAR config HAVE_IPSBAR bool -config CLOCK_SET - bool "Enable setting the CPU clock frequency" - depends on COLDFIRE - default n - help - On some CPU's you do not need to know what the core CPU clock - frequency is. On these you can disable clock setting. On some - traditional 68K parts, and on all ColdFire parts you need to set - the appropriate CPU clock frequency. On these devices many of the - onboard peripherals derive their timing from the master CPU clock - frequency. - config CLOCK_FREQ int "Set the core clock frequency" + default "25000000" if M5206 + default "54000000" if M5206e + default "166666666" if M520x + default "140000000" if M5249 + default "150000000" if M527x || M523x + default "90000000" if M5307 + default "50000000" if M5407 + default "266000000" if M54xx default "66666666" - depends on CLOCK_SET + depends on COLDFIRE help Define the CPU clock frequency in use. This is the core clock frequency, it may or may not be the same as the external clock diff --git a/arch/m68k/configs/m5208evb_defconfig b/arch/m68k/configs/m5208evb_defconfig index e7292f4..4c7b793 100644 --- a/arch/m68k/configs/m5208evb_defconfig +++ b/arch/m68k/configs/m5208evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,17 +12,12 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set -CONFIG_M520x=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=166666666 -CONFIG_CLOCK_DIV=2 -CONFIG_M5208EVB=y +# CONFIG_MMU is not set # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x40000000 CONFIG_RAMSIZE=0x2000000 CONFIG_VECTORBASE=0x40000000 CONFIG_KERNELBASE=0x40020000 -CONFIG_RAM16BIT=y CONFIG_BINFMT_FLAT=y CONFIG_NET=y CONFIG_PACKET=y @@ -40,24 +31,19 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_BAUDRATE=115200 CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set @@ -68,8 +54,6 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_FULLDEBUG=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" +CONFIG_FULLDEBUG=y diff --git a/arch/m68k/configs/m5249evb_defconfig b/arch/m68k/configs/m5249evb_defconfig index 0cd4b39..a782f36 100644 --- a/arch/m68k/configs/m5249evb_defconfig +++ b/arch/m68k/configs/m5249evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,10 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5249=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=140000000 -CONFIG_CLOCK_DIV=2 CONFIG_M5249C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -38,23 +32,18 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -62,7 +51,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5272c3_defconfig b/arch/m68k/configs/m5272c3_defconfig index a60cb35..6f5fb92 100644 --- a/arch/m68k/configs/m5272c3_defconfig +++ b/arch/m68k/configs/m5272c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,8 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5272=y -CONFIG_CLOCK_SET=y CONFIG_M5272C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -36,23 +32,18 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -61,6 +52,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" diff --git a/arch/m68k/configs/m5275evb_defconfig b/arch/m68k/configs/m5275evb_defconfig index e6502ab..b5d7cd1 100644 --- a/arch/m68k/configs/m5275evb_defconfig +++ b/arch/m68k/configs/m5275evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,11 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5275=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=150000000 -CONFIG_CLOCK_DIV=2 -CONFIG_M5275EVB=y # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00000000 @@ -39,24 +32,19 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -65,8 +53,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5307c3_defconfig b/arch/m68k/configs/m5307c3_defconfig index 023812a..1b4c094 100644 --- a/arch/m68k/configs/m5307c3_defconfig +++ b/arch/m68k/configs/m5307c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,10 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5307=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=90000000 -CONFIG_CLOCK_DIV=2 CONFIG_M5307C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -38,16 +32,11 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y CONFIG_SLIP=y CONFIG_SLIP_COMPRESSED=y @@ -56,21 +45,17 @@ CONFIG_SLIP_COMPRESSED=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_LEGACY_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set -# CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y # CONFIG_DNOTIFY is not set CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_FULLDEBUG=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set +CONFIG_FULLDEBUG=y diff --git a/arch/m68k/configs/m5407c3_defconfig b/arch/m68k/configs/m5407c3_defconfig index 557b39f..275ad543 100644 --- a/arch/m68k/configs/m5407c3_defconfig +++ b/arch/m68k/configs/m5407c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -17,9 +13,8 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5407=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=50000000 CONFIG_M5407C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00000000 @@ -38,22 +33,17 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set @@ -63,8 +53,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5475evb_defconfig b/arch/m68k/configs/m5475evb_defconfig index c5018a6..4f4ccd13 100644 --- a/arch/m68k/configs/m5475evb_defconfig +++ b/arch/m68k/configs/m5475evb_defconfig @@ -1,11 +1,7 @@ -CONFIG_EXPERIMENTAL=y # CONFIG_SWAP is not set CONFIG_LOG_BUF_SHIFT=14 -CONFIG_SYSFS_DEPRECATED=y -CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -20,19 +16,16 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_COLDFIRE=y -CONFIG_M547x=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=266000000 # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x0 CONFIG_RAMSIZE=0x2000000 CONFIG_VECTORBASE=0x0 CONFIG_MBAR=0xff000000 CONFIG_KERNELBASE=0x20000 +CONFIG_PCI=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_JEDECPROBE=y diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h index c94557b..50aa4da 100644 --- a/arch/m68k/include/asm/coldfire.h +++ b/arch/m68k/include/asm/coldfire.h @@ -19,7 +19,7 @@ * in any case new boards come along from time to time that have yet * another different clocking frequency. */ -#ifdef CONFIG_CLOCK_SET +#ifdef CONFIG_CLOCK_FREQ #define MCF_CLK CONFIG_CLOCK_FREQ #else #error "Don't know what your ColdFire CPU clock frequency is??" diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 618c85d3..f55cad5 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -413,7 +413,8 @@ static inline void isa_delay(void) #define writew(val, addr) out_le16((addr), (val)) #endif /* CONFIG_ATARI_ROM_ISA */ -#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) +#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) && \ + !(defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE)) /* * We need to define dummy functions for GENERIC_IOMAP support. */ diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index cfad7fca..d7697ab 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -57,7 +57,10 @@ union ctlreg0 { unsigned long lap : 1; /* Low-address-protection control */ unsigned long : 4; unsigned long edat : 1; /* Enhanced-DAT-enablement control */ - unsigned long : 23; + unsigned long : 4; + unsigned long afp : 1; /* AFP-register control */ + unsigned long vx : 1; /* Vector enablement control */ + unsigned long : 17; }; }; diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h index 4cb19fe..f897ec7 100644 --- a/arch/s390/include/asm/perf_event.h +++ b/arch/s390/include/asm/perf_event.h @@ -87,7 +87,15 @@ struct sf_raw_sample { } __packed; /* Perf hardware reserve and release functions */ +#ifdef CONFIG_PERF_EVENTS int perf_reserve_sampling(void); void perf_release_sampling(void); +#else /* CONFIG_PERF_EVENTS */ +static inline int perf_reserve_sampling(void) +{ + return 0; +} +static inline void perf_release_sampling(void) {} +#endif /* CONFIG_PERF_EVENTS */ #endif /* _ASM_S390_PERF_EVENT_H */ diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index 505c17c..56b5508 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -21,6 +21,7 @@ #include <asm/nmi.h> #include <asm/crw.h> #include <asm/switch_to.h> +#include <asm/ctl_reg.h> struct mcck_struct { int kill_task; @@ -129,26 +130,30 @@ static int notrace s390_revalidate_registers(struct mci *mci) } else asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area)); - asm volatile( - " ld 0,0(%0)\n" - " ld 1,8(%0)\n" - " ld 2,16(%0)\n" - " ld 3,24(%0)\n" - " ld 4,32(%0)\n" - " ld 5,40(%0)\n" - " ld 6,48(%0)\n" - " ld 7,56(%0)\n" - " ld 8,64(%0)\n" - " ld 9,72(%0)\n" - " ld 10,80(%0)\n" - " ld 11,88(%0)\n" - " ld 12,96(%0)\n" - " ld 13,104(%0)\n" - " ld 14,112(%0)\n" - " ld 15,120(%0)\n" - : : "a" (fpt_save_area)); - /* Revalidate vector registers */ - if (MACHINE_HAS_VX && current->thread.vxrs) { + if (!MACHINE_HAS_VX) { + /* Revalidate floating point registers */ + asm volatile( + " ld 0,0(%0)\n" + " ld 1,8(%0)\n" + " ld 2,16(%0)\n" + " ld 3,24(%0)\n" + " ld 4,32(%0)\n" + " ld 5,40(%0)\n" + " ld 6,48(%0)\n" + " ld 7,56(%0)\n" + " ld 8,64(%0)\n" + " ld 9,72(%0)\n" + " ld 10,80(%0)\n" + " ld 11,88(%0)\n" + " ld 12,96(%0)\n" + " ld 13,104(%0)\n" + " ld 14,112(%0)\n" + " ld 15,120(%0)\n" + : : "a" (fpt_save_area)); + } else { + /* Revalidate vector registers */ + union ctlreg0 cr0; + if (!mci->vr) { /* * Vector registers can't be restored and therefore @@ -156,8 +161,12 @@ static int notrace s390_revalidate_registers(struct mci *mci) */ kill_task = 1; } + cr0.val = S390_lowcore.cregs_save_area[0]; + cr0.afp = cr0.vx = 1; + __ctl_load(cr0.val, 0, 0); restore_vx_regs((__vector128 *) - S390_lowcore.vector_save_area_addr); + &S390_lowcore.vector_save_area); + __ctl_load(S390_lowcore.cregs_save_area[0], 0, 0); } /* Revalidate access registers */ asm volatile( diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index dc5edc2..8f587d8 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -163,7 +163,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp, asmlinkage void execve_tail(void) { current->thread.fp_regs.fpc = 0; - asm volatile("sfpc %0,%0" : : "d" (0)); + asm volatile("sfpc %0" : : "d" (0)); } /* diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S index 43c3169..ada0c07 100644 --- a/arch/s390/kernel/sclp.S +++ b/arch/s390/kernel/sclp.S @@ -270,6 +270,8 @@ ENTRY(_sclp_print_early) jno .Lesa2 ahi %r15,-80 stmh %r6,%r15,96(%r15) # store upper register halves + basr %r13,0 + lmh %r0,%r15,.Lzeroes-.(%r13) # clear upper register halves .Lesa2: lr %r10,%r2 # save string pointer lhi %r2,0 @@ -291,6 +293,8 @@ ENTRY(_sclp_print_early) .Lesa3: lm %r6,%r15,120(%r15) # restore registers br %r14 +.Lzeroes: + .fill 64,4,0 .LwritedataS4: .long 0x00760005 # SCLP command for write data diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index bc927a0..9cfa2ff 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -16,6 +16,7 @@ #include <linux/fs.h> #include <linux/module.h> #include <asm/processor.h> +#include <asm/perf_event.h> #include "../../../drivers/oprofile/oprof.h" diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h index 200ec2e..cd0310e 100644 --- a/arch/x86/include/asm/intel_pmc_ipc.h +++ b/arch/x86/include/asm/intel_pmc_ipc.h @@ -25,36 +25,9 @@ #if IS_ENABLED(CONFIG_INTEL_PMC_IPC) -/* - * intel_pmc_ipc_simple_command - * @cmd: command - * @sub: sub type - */ int intel_pmc_ipc_simple_command(int cmd, int sub); - -/* - * intel_pmc_ipc_raw_cmd - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - * @sptr: data writing to SPTR register - * @dptr: data writing to DPTR register - */ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen, u32 dptr, u32 sptr); - -/* - * intel_pmc_ipc_command - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - */ int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen); diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 2a7f5d7..49ec903 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -604,6 +604,8 @@ struct kvm_arch { bool iommu_noncoherent; #define __KVM_HAVE_ARCH_NONCOHERENT_DMA atomic_t noncoherent_dma_count; +#define __KVM_HAVE_ARCH_ASSIGNED_DEVICE + atomic_t assigned_device_count; struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index 8fba544..f36d56b 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -108,6 +108,8 @@ #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4) /* Support for a virtual guest idle state is available */ #define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5) +/* Guest crash data handler available */ +#define HV_X64_GUEST_CRASH_MSR_AVAILABLE (1 << 10) /* * Implementation recommendations. Indicates which behaviors the hypervisor diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 64dd467..2fbea25 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -98,6 +98,8 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) best->ebx = xstate_required_size(vcpu->arch.xcr0, true); vcpu->arch.eager_fpu = use_eager_fpu() || guest_cpuid_has_mpx(vcpu); + if (vcpu->arch.eager_fpu) + kvm_x86_ops->fpu_activate(vcpu); /* * The existing code assumes virtual address is 48-bit in the canonical diff --git a/arch/x86/kvm/iommu.c b/arch/x86/kvm/iommu.c index 7dbced3..5c520eb 100644 --- a/arch/x86/kvm/iommu.c +++ b/arch/x86/kvm/iommu.c @@ -200,6 +200,7 @@ int kvm_assign_device(struct kvm *kvm, struct pci_dev *pdev) goto out_unmap; } + kvm_arch_start_assignment(kvm); pci_set_dev_assigned(pdev); dev_info(&pdev->dev, "kvm assign device\n"); @@ -224,6 +225,7 @@ int kvm_deassign_device(struct kvm *kvm, struct pci_dev *pdev) iommu_detach_device(domain, &pdev->dev); pci_clear_dev_assigned(pdev); + kvm_arch_end_assignment(kvm); dev_info(&pdev->dev, "kvm deassign device\n"); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index f807496..4417146 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2479,6 +2479,14 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, return 0; } +static bool kvm_is_mmio_pfn(pfn_t pfn) +{ + if (pfn_valid(pfn)) + return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn)); + + return true; +} + static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, unsigned pte_access, int level, gfn_t gfn, pfn_t pfn, bool speculative, @@ -2506,7 +2514,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, spte |= PT_PAGE_SIZE_MASK; if (tdp_enabled) spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn, - kvm_is_reserved_pfn(pfn)); + kvm_is_mmio_pfn(pfn)); if (host_writable) spte |= SPTE_HOST_WRITEABLE; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 602b974..bbc678a 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -865,6 +865,64 @@ static void svm_disable_lbrv(struct vcpu_svm *svm) set_msr_interception(msrpm, MSR_IA32_LASTINTTOIP, 0, 0); } +#define MTRR_TYPE_UC_MINUS 7 +#define MTRR2PROTVAL_INVALID 0xff + +static u8 mtrr2protval[8]; + +static u8 fallback_mtrr_type(int mtrr) +{ + /* + * WT and WP aren't always available in the host PAT. Treat + * them as UC and UC- respectively. Everything else should be + * there. + */ + switch (mtrr) + { + case MTRR_TYPE_WRTHROUGH: + return MTRR_TYPE_UNCACHABLE; + case MTRR_TYPE_WRPROT: + return MTRR_TYPE_UC_MINUS; + default: + BUG(); + } +} + +static void build_mtrr2protval(void) +{ + int i; + u64 pat; + + for (i = 0; i < 8; i++) + mtrr2protval[i] = MTRR2PROTVAL_INVALID; + + /* Ignore the invalid MTRR types. */ + mtrr2protval[2] = 0; + mtrr2protval[3] = 0; + + /* + * Use host PAT value to figure out the mapping from guest MTRR + * values to nested page table PAT/PCD/PWT values. We do not + * want to change the host PAT value every time we enter the + * guest. + */ + rdmsrl(MSR_IA32_CR_PAT, pat); + for (i = 0; i < 8; i++) { + u8 mtrr = pat >> (8 * i); + + if (mtrr2protval[mtrr] == MTRR2PROTVAL_INVALID) + mtrr2protval[mtrr] = __cm_idx2pte(i); + } + + for (i = 0; i < 8; i++) { + if (mtrr2protval[i] == MTRR2PROTVAL_INVALID) { + u8 fallback = fallback_mtrr_type(i); + mtrr2protval[i] = mtrr2protval[fallback]; + BUG_ON(mtrr2protval[i] == MTRR2PROTVAL_INVALID); + } + } +} + static __init int svm_hardware_setup(void) { int cpu; @@ -931,6 +989,7 @@ static __init int svm_hardware_setup(void) } else kvm_disable_tdp(); + build_mtrr2protval(); return 0; err: @@ -1085,6 +1144,39 @@ static u64 svm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc) return target_tsc - tsc; } +static void svm_set_guest_pat(struct vcpu_svm *svm, u64 *g_pat) +{ + struct kvm_vcpu *vcpu = &svm->vcpu; + + /* Unlike Intel, AMD takes the guest's CR0.CD into account. + * + * AMD does not have IPAT. To emulate it for the case of guests + * with no assigned devices, just set everything to WB. If guests + * have assigned devices, however, we cannot force WB for RAM + * pages only, so use the guest PAT directly. + */ + if (!kvm_arch_has_assigned_device(vcpu->kvm)) + *g_pat = 0x0606060606060606; + else + *g_pat = vcpu->arch.pat; +} + +static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) +{ + u8 mtrr; + + /* + * 1. MMIO: trust guest MTRR, so same as item 3. + * 2. No passthrough: always map as WB, and force guest PAT to WB as well + * 3. Passthrough: can't guarantee the result, try to trust guest. + */ + if (!is_mmio && !kvm_arch_has_assigned_device(vcpu->kvm)) + return 0; + + mtrr = kvm_mtrr_get_guest_memory_type(vcpu, gfn); + return mtrr2protval[mtrr]; +} + static void init_vmcb(struct vcpu_svm *svm, bool init_event) { struct vmcb_control_area *control = &svm->vmcb->control; @@ -1180,6 +1272,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event) clr_cr_intercept(svm, INTERCEPT_CR3_READ); clr_cr_intercept(svm, INTERCEPT_CR3_WRITE); save->g_pat = svm->vcpu.arch.pat; + svm_set_guest_pat(svm, &save->g_pat); save->cr3 = 0; save->cr4 = 0; } @@ -3254,6 +3347,16 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) case MSR_VM_IGNNE: vcpu_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data); break; + case MSR_IA32_CR_PAT: + if (npt_enabled) { + if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data)) + return 1; + vcpu->arch.pat = data; + svm_set_guest_pat(svm, &svm->vmcb->save.g_pat); + mark_dirty(svm->vmcb, VMCB_NPT); + break; + } + /* fall through */ default: return kvm_set_msr_common(vcpu, msr); } @@ -4088,11 +4191,6 @@ static bool svm_has_high_real_mode_segbase(void) return true; } -static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) -{ - return 0; -} - static void svm_cpuid_update(struct kvm_vcpu *vcpu) { } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e856dd5..5b4e938 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8632,22 +8632,17 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) u64 ipat = 0; /* For VT-d and EPT combination - * 1. MMIO: always map as UC + * 1. MMIO: guest may want to apply WC, trust it. * 2. EPT with VT-d: * a. VT-d without snooping control feature: can't guarantee the - * result, try to trust guest. + * result, try to trust guest. So the same as item 1. * b. VT-d with snooping control feature: snooping control feature of * VT-d engine can guarantee the cache correctness. Just set it * to WB to keep consistent with host. So the same as item 3. * 3. EPT without VT-d: always map as WB and set IPAT=1 to keep * consistent with host MTRR */ - if (is_mmio) { - cache = MTRR_TYPE_UNCACHABLE; - goto exit; - } - - if (!kvm_arch_has_noncoherent_dma(vcpu->kvm)) { + if (!is_mmio && !kvm_arch_has_noncoherent_dma(vcpu->kvm)) { ipat = VMX_EPT_IPAT_BIT; cache = MTRR_TYPE_WRBACK; goto exit; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bbaf44e..5ef2560 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3157,8 +3157,7 @@ static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) cpuid_count(XSTATE_CPUID, index, &size, &offset, &ecx, &edx); memcpy(dest, src + offset, size); - } else - WARN_ON_ONCE(1); + } valid -= feature; } @@ -7315,11 +7314,6 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, vcpu = kvm_x86_ops->vcpu_create(kvm, id); - /* - * Activate fpu unconditionally in case the guest needs eager FPU. It will be - * deactivated soon if it doesn't. - */ - kvm_x86_ops->fpu_activate(vcpu); return vcpu; } @@ -8218,6 +8212,24 @@ bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu) kvm_x86_ops->interrupt_allowed(vcpu); } +void kvm_arch_start_assignment(struct kvm *kvm) +{ + atomic_inc(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_start_assignment); + +void kvm_arch_end_assignment(struct kvm *kvm) +{ + atomic_dec(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_end_assignment); + +bool kvm_arch_has_assigned_device(struct kvm *kvm) +{ + return atomic_read(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_has_assigned_device); + void kvm_arch_register_noncoherent_dma(struct kvm *kvm) { atomic_inc(&kvm->arch.noncoherent_dma_count); diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 0436c21..719b715 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -51,7 +51,7 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, unsigned long idx = BIO_POOL_NONE; unsigned inline_vecs; - if (!bs) { + if (!bs || !bs->bio_integrity_pool) { bip = kmalloc(sizeof(struct bio_integrity_payload) + sizeof(struct bio_vec) * nr_vecs, gfp_mask); inline_vecs = nr_vecs; @@ -104,7 +104,7 @@ void bio_integrity_free(struct bio *bio) kfree(page_address(bip->bip_vec->bv_page) + bip->bip_vec->bv_offset); - if (bs) { + if (bs && bs->bio_integrity_pool) { if (bip->bip_slab != BIO_POOL_NONE) bvec_free(bs->bvec_integrity_pool, bip->bip_vec, bip->bip_slab); diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 9f97da5..9da02c0 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -29,6 +29,14 @@ #define MAX_KEY_LEN 100 +/* + * blkcg_pol_mutex protects blkcg_policy[] and policy [de]activation. + * blkcg_pol_register_mutex nests outside of it and synchronizes entire + * policy [un]register operations including cgroup file additions / + * removals. Putting cgroup file registration outside blkcg_pol_mutex + * allows grabbing it from cgroup callbacks. + */ +static DEFINE_MUTEX(blkcg_pol_register_mutex); static DEFINE_MUTEX(blkcg_pol_mutex); struct blkcg blkcg_root; @@ -38,6 +46,8 @@ struct cgroup_subsys_state * const blkcg_root_css = &blkcg_root.css; static struct blkcg_policy *blkcg_policy[BLKCG_MAX_POLS]; +static LIST_HEAD(all_blkcgs); /* protected by blkcg_pol_mutex */ + static bool blkcg_policy_enabled(struct request_queue *q, const struct blkcg_policy *pol) { @@ -453,20 +463,7 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css, struct blkcg_gq *blkg; int i; - /* - * XXX: We invoke cgroup_add/rm_cftypes() under blkcg_pol_mutex - * which ends up putting cgroup's internal cgroup_tree_mutex under - * it; however, cgroup_tree_mutex is nested above cgroup file - * active protection and grabbing blkcg_pol_mutex from a cgroup - * file operation creates a possible circular dependency. cgroup - * internal locking is planned to go through further simplification - * and this issue should go away soon. For now, let's trylock - * blkcg_pol_mutex and restart the write on failure. - * - * http://lkml.kernel.org/g/5363C04B.4010400@oracle.com - */ - if (!mutex_trylock(&blkcg_pol_mutex)) - return restart_syscall(); + mutex_lock(&blkcg_pol_mutex); spin_lock_irq(&blkcg->lock); /* @@ -822,8 +819,17 @@ static void blkcg_css_free(struct cgroup_subsys_state *css) { struct blkcg *blkcg = css_to_blkcg(css); - if (blkcg != &blkcg_root) + mutex_lock(&blkcg_pol_mutex); + list_del(&blkcg->all_blkcgs_node); + mutex_unlock(&blkcg_pol_mutex); + + if (blkcg != &blkcg_root) { + int i; + + for (i = 0; i < BLKCG_MAX_POLS; i++) + kfree(blkcg->pd[i]); kfree(blkcg); + } } static struct cgroup_subsys_state * @@ -833,6 +839,8 @@ blkcg_css_alloc(struct cgroup_subsys_state *parent_css) struct cgroup_subsys_state *ret; int i; + mutex_lock(&blkcg_pol_mutex); + if (!parent_css) { blkcg = &blkcg_root; goto done; @@ -875,14 +883,17 @@ done: #ifdef CONFIG_CGROUP_WRITEBACK INIT_LIST_HEAD(&blkcg->cgwb_list); #endif + list_add_tail(&blkcg->all_blkcgs_node, &all_blkcgs); + + mutex_unlock(&blkcg_pol_mutex); return &blkcg->css; free_pd_blkcg: for (i--; i >= 0; i--) kfree(blkcg->pd[i]); - free_blkcg: kfree(blkcg); + mutex_unlock(&blkcg_pol_mutex); return ret; } @@ -1037,10 +1048,8 @@ int blkcg_activate_policy(struct request_queue *q, const struct blkcg_policy *pol) { LIST_HEAD(pds); - LIST_HEAD(cpds); struct blkcg_gq *blkg; struct blkg_policy_data *pd, *nd; - struct blkcg_policy_data *cpd, *cnd; int cnt = 0, ret; if (blkcg_policy_enabled(q, pol)) @@ -1053,10 +1062,7 @@ int blkcg_activate_policy(struct request_queue *q, cnt++; spin_unlock_irq(q->queue_lock); - /* - * Allocate per-blkg and per-blkcg policy data - * for all existing blkgs. - */ + /* allocate per-blkg policy data for all existing blkgs */ while (cnt--) { pd = kzalloc_node(pol->pd_size, GFP_KERNEL, q->node); if (!pd) { @@ -1064,15 +1070,6 @@ int blkcg_activate_policy(struct request_queue *q, goto out_free; } list_add_tail(&pd->alloc_node, &pds); - - if (!pol->cpd_size) - continue; - cpd = kzalloc_node(pol->cpd_size, GFP_KERNEL, q->node); - if (!cpd) { - ret = -ENOMEM; - goto out_free; - } - list_add_tail(&cpd->alloc_node, &cpds); } /* @@ -1082,32 +1079,17 @@ int blkcg_activate_policy(struct request_queue *q, spin_lock_irq(q->queue_lock); list_for_each_entry(blkg, &q->blkg_list, q_node) { - if (WARN_ON(list_empty(&pds)) || - WARN_ON(pol->cpd_size && list_empty(&cpds))) { + if (WARN_ON(list_empty(&pds))) { /* umm... this shouldn't happen, just abort */ ret = -ENOMEM; goto out_unlock; } - cpd = list_first_entry(&cpds, struct blkcg_policy_data, - alloc_node); - list_del_init(&cpd->alloc_node); pd = list_first_entry(&pds, struct blkg_policy_data, alloc_node); list_del_init(&pd->alloc_node); /* grab blkcg lock too while installing @pd on @blkg */ spin_lock(&blkg->blkcg->lock); - if (!pol->cpd_size) - goto no_cpd; - if (!blkg->blkcg->pd[pol->plid]) { - /* Per-policy per-blkcg data */ - blkg->blkcg->pd[pol->plid] = cpd; - cpd->plid = pol->plid; - pol->cpd_init_fn(blkg->blkcg); - } else { /* must free it as it has already been extracted */ - kfree(cpd); - } -no_cpd: blkg->pd[pol->plid] = pd; pd->blkg = blkg; pd->plid = pol->plid; @@ -1124,8 +1106,6 @@ out_free: blk_queue_bypass_end(q); list_for_each_entry_safe(pd, nd, &pds, alloc_node) kfree(pd); - list_for_each_entry_safe(cpd, cnd, &cpds, alloc_node) - kfree(cpd); return ret; } EXPORT_SYMBOL_GPL(blkcg_activate_policy); @@ -1162,8 +1142,6 @@ void blkcg_deactivate_policy(struct request_queue *q, kfree(blkg->pd[pol->plid]); blkg->pd[pol->plid] = NULL; - kfree(blkg->blkcg->pd[pol->plid]); - blkg->blkcg->pd[pol->plid] = NULL; spin_unlock(&blkg->blkcg->lock); } @@ -1182,11 +1160,13 @@ EXPORT_SYMBOL_GPL(blkcg_deactivate_policy); */ int blkcg_policy_register(struct blkcg_policy *pol) { + struct blkcg *blkcg; int i, ret; if (WARN_ON(pol->pd_size < sizeof(struct blkg_policy_data))) return -EINVAL; + mutex_lock(&blkcg_pol_register_mutex); mutex_lock(&blkcg_pol_mutex); /* find an empty slot */ @@ -1195,19 +1175,49 @@ int blkcg_policy_register(struct blkcg_policy *pol) if (!blkcg_policy[i]) break; if (i >= BLKCG_MAX_POLS) - goto out_unlock; + goto err_unlock; - /* register and update blkgs */ + /* register @pol */ pol->plid = i; - blkcg_policy[i] = pol; + blkcg_policy[pol->plid] = pol; + + /* allocate and install cpd's */ + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + struct blkcg_policy_data *cpd; + + cpd = kzalloc(pol->cpd_size, GFP_KERNEL); + if (!cpd) { + mutex_unlock(&blkcg_pol_mutex); + goto err_free_cpds; + } + + blkcg->pd[pol->plid] = cpd; + cpd->plid = pol->plid; + pol->cpd_init_fn(blkcg); + } + } + + mutex_unlock(&blkcg_pol_mutex); /* everything is in place, add intf files for the new policy */ if (pol->cftypes) WARN_ON(cgroup_add_legacy_cftypes(&blkio_cgrp_subsys, pol->cftypes)); - ret = 0; -out_unlock: + mutex_unlock(&blkcg_pol_register_mutex); + return 0; + +err_free_cpds: + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + kfree(blkcg->pd[pol->plid]); + blkcg->pd[pol->plid] = NULL; + } + } + blkcg_policy[pol->plid] = NULL; +err_unlock: mutex_unlock(&blkcg_pol_mutex); + mutex_unlock(&blkcg_pol_register_mutex); return ret; } EXPORT_SYMBOL_GPL(blkcg_policy_register); @@ -1220,7 +1230,9 @@ EXPORT_SYMBOL_GPL(blkcg_policy_register); */ void blkcg_policy_unregister(struct blkcg_policy *pol) { - mutex_lock(&blkcg_pol_mutex); + struct blkcg *blkcg; + + mutex_lock(&blkcg_pol_register_mutex); if (WARN_ON(blkcg_policy[pol->plid] != pol)) goto out_unlock; @@ -1229,9 +1241,19 @@ void blkcg_policy_unregister(struct blkcg_policy *pol) if (pol->cftypes) cgroup_rm_cftypes(pol->cftypes); - /* unregister and update blkgs */ + /* remove cpds and unregister */ + mutex_lock(&blkcg_pol_mutex); + + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + kfree(blkcg->pd[pol->plid]); + blkcg->pd[pol->plid] = NULL; + } + } blkcg_policy[pol->plid] = NULL; -out_unlock: + mutex_unlock(&blkcg_pol_mutex); +out_unlock: + mutex_unlock(&blkcg_pol_register_mutex); } EXPORT_SYMBOL_GPL(blkcg_policy_unregister); diff --git a/block/blk-core.c b/block/blk-core.c index 82819e6..627ed0c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -3370,7 +3370,7 @@ EXPORT_SYMBOL(blk_post_runtime_resume); int __init blk_dev_init(void) { BUILD_BUG_ON(__REQ_NR_BITS > 8 * - sizeof(((struct request *)0)->cmd_flags)); + FIELD_SIZEOF(struct request, cmd_flags)); /* used for unplugging and affects IO latency/throughput - HIGHPRI */ kblockd_workqueue = alloc_workqueue("kblockd", diff --git a/block/blk-mq.c b/block/blk-mq.c index f537796..7d842db 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1998,7 +1998,7 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, goto err_hctxs; setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q); - blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30000); + blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30 * HZ); q->nr_queues = nr_cpu_ids; q->nr_hw_queues = set->nr_hw_queues; diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 8321430..08ac110 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -24,7 +24,7 @@ acpi-y += nvs.o # Power management related files acpi-y += wakeup.o acpi-$(CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT) += sleep.o -acpi-y += device_pm.o +acpi-y += device_sysfs.o device_pm.o acpi-$(CONFIG_ACPI_SLEEP) += proc.o diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 513e7230e..a23903c 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -423,6 +423,413 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) acpi_evaluate_ost(handle, type, ost_code, NULL); } +static void acpi_device_notify(acpi_handle handle, u32 event, void *data) +{ + struct acpi_device *device = data; + + device->driver->ops.notify(device, event); +} + +static void acpi_device_notify_fixed(void *data) +{ + struct acpi_device *device = data; + + /* Fixed hardware devices have no handles */ + acpi_device_notify(NULL, ACPI_FIXED_HARDWARE_EVENT, device); +} + +static u32 acpi_device_fixed_event(void *data) +{ + acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_device_notify_fixed, data); + return ACPI_INTERRUPT_HANDLED; +} + +static int acpi_device_install_notify_handler(struct acpi_device *device) +{ + acpi_status status; + + if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) + status = + acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, + acpi_device_fixed_event, + device); + else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) + status = + acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, + acpi_device_fixed_event, + device); + else + status = acpi_install_notify_handler(device->handle, + ACPI_DEVICE_NOTIFY, + acpi_device_notify, + device); + + if (ACPI_FAILURE(status)) + return -EINVAL; + return 0; +} + +static void acpi_device_remove_notify_handler(struct acpi_device *device) +{ + if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) + acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, + acpi_device_fixed_event); + else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) + acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, + acpi_device_fixed_event); + else + acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, + acpi_device_notify); +} + +/* -------------------------------------------------------------------------- + Device Matching + -------------------------------------------------------------------------- */ + +/** + * acpi_device_is_first_physical_node - Is given dev first physical node + * @adev: ACPI companion device + * @dev: Physical device to check + * + * Function checks if given @dev is the first physical devices attached to + * the ACPI companion device. This distinction is needed in some cases + * where the same companion device is shared between many physical devices. + * + * Note that the caller have to provide valid @adev pointer. + */ +bool acpi_device_is_first_physical_node(struct acpi_device *adev, + const struct device *dev) +{ + bool ret = false; + + mutex_lock(&adev->physical_node_lock); + if (!list_empty(&adev->physical_node_list)) { + const struct acpi_device_physical_node *node; + + node = list_first_entry(&adev->physical_node_list, + struct acpi_device_physical_node, node); + ret = node->dev == dev; + } + mutex_unlock(&adev->physical_node_lock); + + return ret; +} + +/* + * acpi_companion_match() - Can we match via ACPI companion device + * @dev: Device in question + * + * Check if the given device has an ACPI companion and if that companion has + * a valid list of PNP IDs, and if the device is the first (primary) physical + * device associated with it. Return the companion pointer if that's the case + * or NULL otherwise. + * + * If multiple physical devices are attached to a single ACPI companion, we need + * to be careful. The usage scenario for this kind of relationship is that all + * of the physical devices in question use resources provided by the ACPI + * companion. A typical case is an MFD device where all the sub-devices share + * the parent's ACPI companion. In such cases we can only allow the primary + * (first) physical device to be matched with the help of the companion's PNP + * IDs. + * + * Additional physical devices sharing the ACPI companion can still use + * resources available from it but they will be matched normally using functions + * provided by their bus types (and analogously for their modalias). + */ +struct acpi_device *acpi_companion_match(const struct device *dev) +{ + struct acpi_device *adev; + struct mutex *physical_node_lock; + + adev = ACPI_COMPANION(dev); + if (!adev) + return NULL; + + if (list_empty(&adev->pnp.ids)) + return NULL; + + physical_node_lock = &adev->physical_node_lock; + mutex_lock(physical_node_lock); + if (list_empty(&adev->physical_node_list)) { + adev = NULL; + } else { + const struct acpi_device_physical_node *node; + + node = list_first_entry(&adev->physical_node_list, + struct acpi_device_physical_node, node); + if (node->dev != dev) + adev = NULL; + } + mutex_unlock(physical_node_lock); + + return adev; +} + +/** + * acpi_of_match_device - Match device object using the "compatible" property. + * @adev: ACPI device object to match. + * @of_match_table: List of device IDs to match against. + * + * If @dev has an ACPI companion which has ACPI_DT_NAMESPACE_HID in its list of + * identifiers and a _DSD object with the "compatible" property, use that + * property to match against the given list of identifiers. + */ +static bool acpi_of_match_device(struct acpi_device *adev, + const struct of_device_id *of_match_table) +{ + const union acpi_object *of_compatible, *obj; + int i, nval; + + if (!adev) + return false; + + of_compatible = adev->data.of_compatible; + if (!of_match_table || !of_compatible) + return false; + + if (of_compatible->type == ACPI_TYPE_PACKAGE) { + nval = of_compatible->package.count; + obj = of_compatible->package.elements; + } else { /* Must be ACPI_TYPE_STRING. */ + nval = 1; + obj = of_compatible; + } + /* Now we can look for the driver DT compatible strings */ + for (i = 0; i < nval; i++, obj++) { + const struct of_device_id *id; + + for (id = of_match_table; id->compatible[0]; id++) + if (!strcasecmp(obj->string.pointer, id->compatible)) + return true; + } + + return false; +} + +static bool __acpi_match_device_cls(const struct acpi_device_id *id, + struct acpi_hardware_id *hwid) +{ + int i, msk, byte_shift; + char buf[3]; + + if (!id->cls) + return false; + + /* Apply class-code bitmask, before checking each class-code byte */ + for (i = 1; i <= 3; i++) { + byte_shift = 8 * (3 - i); + msk = (id->cls_msk >> byte_shift) & 0xFF; + if (!msk) + continue; + + sprintf(buf, "%02x", (id->cls >> byte_shift) & msk); + if (strncmp(buf, &hwid->id[(i - 1) * 2], 2)) + return false; + } + return true; +} + +static const struct acpi_device_id *__acpi_match_device( + struct acpi_device *device, + const struct acpi_device_id *ids, + const struct of_device_id *of_ids) +{ + const struct acpi_device_id *id; + struct acpi_hardware_id *hwid; + + /* + * If the device is not present, it is unnecessary to load device + * driver for it. + */ + if (!device || !device->status.present) + return NULL; + + list_for_each_entry(hwid, &device->pnp.ids, list) { + /* First, check the ACPI/PNP IDs provided by the caller. */ + for (id = ids; id->id[0] || id->cls; id++) { + if (id->id[0] && !strcmp((char *) id->id, hwid->id)) + return id; + else if (id->cls && __acpi_match_device_cls(id, hwid)) + return id; + } + + /* + * Next, check ACPI_DT_NAMESPACE_HID and try to match the + * "compatible" property if found. + * + * The id returned by the below is not valid, but the only + * caller passing non-NULL of_ids here is only interested in + * whether or not the return value is NULL. + */ + if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id) + && acpi_of_match_device(device, of_ids)) + return id; + } + return NULL; +} + +/** + * acpi_match_device - Match a struct device against a given list of ACPI IDs + * @ids: Array of struct acpi_device_id object to match against. + * @dev: The device structure to match. + * + * Check if @dev has a valid ACPI handle and if there is a struct acpi_device + * object for that handle and use that object to match against a given list of + * device IDs. + * + * Return a pointer to the first matching ID on success or %NULL on failure. + */ +const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, + const struct device *dev) +{ + return __acpi_match_device(acpi_companion_match(dev), ids, NULL); +} +EXPORT_SYMBOL_GPL(acpi_match_device); + +int acpi_match_device_ids(struct acpi_device *device, + const struct acpi_device_id *ids) +{ + return __acpi_match_device(device, ids, NULL) ? 0 : -ENOENT; +} +EXPORT_SYMBOL(acpi_match_device_ids); + +bool acpi_driver_match_device(struct device *dev, + const struct device_driver *drv) +{ + if (!drv->acpi_match_table) + return acpi_of_match_device(ACPI_COMPANION(dev), + drv->of_match_table); + + return !!__acpi_match_device(acpi_companion_match(dev), + drv->acpi_match_table, drv->of_match_table); +} +EXPORT_SYMBOL_GPL(acpi_driver_match_device); + +/* -------------------------------------------------------------------------- + ACPI Driver Management + -------------------------------------------------------------------------- */ + +/** + * acpi_bus_register_driver - register a driver with the ACPI bus + * @driver: driver being registered + * + * Registers a driver with the ACPI bus. Searches the namespace for all + * devices that match the driver's criteria and binds. Returns zero for + * success or a negative error status for failure. + */ +int acpi_bus_register_driver(struct acpi_driver *driver) +{ + int ret; + + if (acpi_disabled) + return -ENODEV; + driver->drv.name = driver->name; + driver->drv.bus = &acpi_bus_type; + driver->drv.owner = driver->owner; + + ret = driver_register(&driver->drv); + return ret; +} + +EXPORT_SYMBOL(acpi_bus_register_driver); + +/** + * acpi_bus_unregister_driver - unregisters a driver with the ACPI bus + * @driver: driver to unregister + * + * Unregisters a driver with the ACPI bus. Searches the namespace for all + * devices that match the driver's criteria and unbinds. + */ +void acpi_bus_unregister_driver(struct acpi_driver *driver) +{ + driver_unregister(&driver->drv); +} + +EXPORT_SYMBOL(acpi_bus_unregister_driver); + +/* -------------------------------------------------------------------------- + ACPI Bus operations + -------------------------------------------------------------------------- */ + +static int acpi_bus_match(struct device *dev, struct device_driver *drv) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = to_acpi_driver(drv); + + return acpi_dev->flags.match_driver + && !acpi_match_device_ids(acpi_dev, acpi_drv->ids); +} + +static int acpi_device_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + return __acpi_device_uevent_modalias(to_acpi_device(dev), env); +} + +static int acpi_device_probe(struct device *dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver); + int ret; + + if (acpi_dev->handler && !acpi_is_pnp_device(acpi_dev)) + return -EINVAL; + + if (!acpi_drv->ops.add) + return -ENOSYS; + + ret = acpi_drv->ops.add(acpi_dev); + if (ret) + return ret; + + acpi_dev->driver = acpi_drv; + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Driver [%s] successfully bound to device [%s]\n", + acpi_drv->name, acpi_dev->pnp.bus_id)); + + if (acpi_drv->ops.notify) { + ret = acpi_device_install_notify_handler(acpi_dev); + if (ret) { + if (acpi_drv->ops.remove) + acpi_drv->ops.remove(acpi_dev); + + acpi_dev->driver = NULL; + acpi_dev->driver_data = NULL; + return ret; + } + } + + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found driver [%s] for device [%s]\n", + acpi_drv->name, acpi_dev->pnp.bus_id)); + get_device(dev); + return 0; +} + +static int acpi_device_remove(struct device * dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = acpi_dev->driver; + + if (acpi_drv) { + if (acpi_drv->ops.notify) + acpi_device_remove_notify_handler(acpi_dev); + if (acpi_drv->ops.remove) + acpi_drv->ops.remove(acpi_dev); + } + acpi_dev->driver = NULL; + acpi_dev->driver_data = NULL; + + put_device(dev); + return 0; +} + +struct bus_type acpi_bus_type = { + .name = "acpi", + .match = acpi_bus_match, + .probe = acpi_device_probe, + .remove = acpi_device_remove, + .uevent = acpi_device_uevent, +}; + /* -------------------------------------------------------------------------- Initialization/Cleanup -------------------------------------------------------------------------- */ @@ -661,7 +1068,9 @@ static int __init acpi_bus_init(void) */ acpi_root_dir = proc_mkdir(ACPI_BUS_FILE_ROOT, NULL); - return 0; + result = bus_register(&acpi_bus_type); + if (!result) + return 0; /* Mimic structured exception handling */ error1: diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c new file mode 100644 index 0000000..4ab4582 --- /dev/null +++ b/drivers/acpi/device_sysfs.c @@ -0,0 +1,521 @@ +/* + * drivers/acpi/device_sysfs.c - ACPI device sysfs attributes and modalias. + * + * Copyright (C) 2015, Intel Corp. + * Author: Mika Westerberg <mika.westerberg@linux.intel.com> + * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/export.h> +#include <linux/nls.h> + +#include "internal.h" + +/** + * create_pnp_modalias - Create hid/cid(s) string for modalias and uevent + * @acpi_dev: ACPI device object. + * @modalias: Buffer to print into. + * @size: Size of the buffer. + * + * Creates hid/cid(s) string needed for modalias and uevent + * e.g. on a device with hid:IBM0001 and cid:ACPI0001 you get: + * char *modalias: "acpi:IBM0001:ACPI0001" + * Return: 0: no _HID and no _CID + * -EINVAL: output error + * -ENOMEM: output is truncated +*/ +static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias, + int size) +{ + int len; + int count; + struct acpi_hardware_id *id; + + /* + * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should + * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the + * device's list. + */ + count = 0; + list_for_each_entry(id, &acpi_dev->pnp.ids, list) + if (strcmp(id->id, ACPI_DT_NAMESPACE_HID)) + count++; + + if (!count) + return 0; + + len = snprintf(modalias, size, "acpi:"); + if (len <= 0) + return len; + + size -= len; + + list_for_each_entry(id, &acpi_dev->pnp.ids, list) { + if (!strcmp(id->id, ACPI_DT_NAMESPACE_HID)) + continue; + + count = snprintf(&modalias[len], size, "%s:", id->id); + if (count < 0) + return -EINVAL; + + if (count >= size) + return -ENOMEM; + + len += count; + size -= count; + } + modalias[len] = '\0'; + return len; +} + +/** + * create_of_modalias - Creates DT compatible string for modalias and uevent + * @acpi_dev: ACPI device object. + * @modalias: Buffer to print into. + * @size: Size of the buffer. + * + * Expose DT compatible modalias as of:NnameTCcompatible. This function should + * only be called for devices having ACPI_DT_NAMESPACE_HID in their list of + * ACPI/PNP IDs. + */ +static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias, + int size) +{ + struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER }; + const union acpi_object *of_compatible, *obj; + int len, count; + int i, nval; + char *c; + + acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf); + /* DT strings are all in lower case */ + for (c = buf.pointer; *c != '\0'; c++) + *c = tolower(*c); + + len = snprintf(modalias, size, "of:N%sT", (char *)buf.pointer); + ACPI_FREE(buf.pointer); + + if (len <= 0) + return len; + + of_compatible = acpi_dev->data.of_compatible; + if (of_compatible->type == ACPI_TYPE_PACKAGE) { + nval = of_compatible->package.count; + obj = of_compatible->package.elements; + } else { /* Must be ACPI_TYPE_STRING. */ + nval = 1; + obj = of_compatible; + } + for (i = 0; i < nval; i++, obj++) { + count = snprintf(&modalias[len], size, "C%s", + obj->string.pointer); + if (count < 0) + return -EINVAL; + + if (count >= size) + return -ENOMEM; + + len += count; + size -= count; + } + modalias[len] = '\0'; + return len; +} + +int __acpi_device_uevent_modalias(struct acpi_device *adev, + struct kobj_uevent_env *env) +{ + int len; + + if (!adev) + return -ENODEV; + + if (list_empty(&adev->pnp.ids)) + return 0; + + if (add_uevent_var(env, "MODALIAS=")) + return -ENOMEM; + + len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], + sizeof(env->buf) - env->buflen); + if (len < 0) + return len; + + env->buflen += len; + if (!adev->data.of_compatible) + return 0; + + if (len > 0 && add_uevent_var(env, "MODALIAS=")) + return -ENOMEM; + + len = create_of_modalias(adev, &env->buf[env->buflen - 1], + sizeof(env->buf) - env->buflen); + if (len < 0) + return len; + + env->buflen += len; + + return 0; +} + +/** + * acpi_device_uevent_modalias - uevent modalias for ACPI-enumerated devices. + * + * Create the uevent modalias field for ACPI-enumerated devices. + * + * Because other buses do not support ACPI HIDs & CIDs, e.g. for a device with + * hid:IBM0001 and cid:ACPI0001 you get: "acpi:IBM0001:ACPI0001". + */ +int acpi_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env) +{ + return __acpi_device_uevent_modalias(acpi_companion_match(dev), env); +} +EXPORT_SYMBOL_GPL(acpi_device_uevent_modalias); + +static int __acpi_device_modalias(struct acpi_device *adev, char *buf, int size) +{ + int len, count; + + if (!adev) + return -ENODEV; + + if (list_empty(&adev->pnp.ids)) + return 0; + + len = create_pnp_modalias(adev, buf, size - 1); + if (len < 0) { + return len; + } else if (len > 0) { + buf[len++] = '\n'; + size -= len; + } + if (!adev->data.of_compatible) + return len; + + count = create_of_modalias(adev, buf + len, size - 1); + if (count < 0) { + return count; + } else if (count > 0) { + len += count; + buf[len++] = '\n'; + } + + return len; +} + +/** + * acpi_device_modalias - modalias sysfs attribute for ACPI-enumerated devices. + * + * Create the modalias sysfs attribute for ACPI-enumerated devices. + * + * Because other buses do not support ACPI HIDs & CIDs, e.g. for a device with + * hid:IBM0001 and cid:ACPI0001 you get: "acpi:IBM0001:ACPI0001". + */ +int acpi_device_modalias(struct device *dev, char *buf, int size) +{ + return __acpi_device_modalias(acpi_companion_match(dev), buf, size); +} +EXPORT_SYMBOL_GPL(acpi_device_modalias); + +static ssize_t +acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { + return __acpi_device_modalias(to_acpi_device(dev), buf, 1024); +} +static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); + +static ssize_t real_power_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *adev = to_acpi_device(dev); + int state; + int ret; + + ret = acpi_device_get_power(adev, &state); + if (ret) + return ret; + + return sprintf(buf, "%s\n", acpi_power_state_string(state)); +} + +static DEVICE_ATTR(real_power_state, 0444, real_power_state_show, NULL); + +static ssize_t power_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *adev = to_acpi_device(dev); + + return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state)); +} + +static DEVICE_ATTR(power_state, 0444, power_state_show, NULL); + +static ssize_t +acpi_eject_store(struct device *d, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct acpi_device *acpi_device = to_acpi_device(d); + acpi_object_type not_used; + acpi_status status; + + if (!count || buf[0] != '1') + return -EINVAL; + + if ((!acpi_device->handler || !acpi_device->handler->hotplug.enabled) + && !acpi_device->driver) + return -ENODEV; + + status = acpi_get_type(acpi_device->handle, ¬_used); + if (ACPI_FAILURE(status) || !acpi_device->flags.ejectable) + return -ENODEV; + + get_device(&acpi_device->dev); + status = acpi_hotplug_schedule(acpi_device, ACPI_OST_EC_OSPM_EJECT); + if (ACPI_SUCCESS(status)) + return count; + + put_device(&acpi_device->dev); + acpi_evaluate_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, + ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); + return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; +} + +static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); + +static ssize_t +acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + + return sprintf(buf, "%s\n", acpi_device_hid(acpi_dev)); +} +static DEVICE_ATTR(hid, 0444, acpi_device_hid_show, NULL); + +static ssize_t acpi_device_uid_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + + return sprintf(buf, "%s\n", acpi_dev->pnp.unique_id); +} +static DEVICE_ATTR(uid, 0444, acpi_device_uid_show, NULL); + +static ssize_t acpi_device_adr_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + + return sprintf(buf, "0x%08x\n", + (unsigned int)(acpi_dev->pnp.bus_address)); +} +static DEVICE_ATTR(adr, 0444, acpi_device_adr_show, NULL); + +static ssize_t +acpi_device_path_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_buffer path = {ACPI_ALLOCATE_BUFFER, NULL}; + int result; + + result = acpi_get_name(acpi_dev->handle, ACPI_FULL_PATHNAME, &path); + if (result) + goto end; + + result = sprintf(buf, "%s\n", (char*)path.pointer); + kfree(path.pointer); +end: + return result; +} +static DEVICE_ATTR(path, 0444, acpi_device_path_show, NULL); + +/* sysfs file that shows description text from the ACPI _STR method */ +static ssize_t description_show(struct device *dev, + struct device_attribute *attr, + char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + int result; + + if (acpi_dev->pnp.str_obj == NULL) + return 0; + + /* + * The _STR object contains a Unicode identifier for a device. + * We need to convert to utf-8 so it can be displayed. + */ + result = utf16s_to_utf8s( + (wchar_t *)acpi_dev->pnp.str_obj->buffer.pointer, + acpi_dev->pnp.str_obj->buffer.length, + UTF16_LITTLE_ENDIAN, buf, + PAGE_SIZE); + + buf[result++] = '\n'; + + return result; +} +static DEVICE_ATTR(description, 0444, description_show, NULL); + +static ssize_t +acpi_device_sun_show(struct device *dev, struct device_attribute *attr, + char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + acpi_status status; + unsigned long long sun; + + status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun); + if (ACPI_FAILURE(status)) + return -ENODEV; + + return sprintf(buf, "%llu\n", sun); +} +static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL); + +static ssize_t status_show(struct device *dev, struct device_attribute *attr, + char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + acpi_status status; + unsigned long long sta; + + status = acpi_evaluate_integer(acpi_dev->handle, "_STA", NULL, &sta); + if (ACPI_FAILURE(status)) + return -ENODEV; + + return sprintf(buf, "%llu\n", sta); +} +static DEVICE_ATTR_RO(status); + +/** + * acpi_device_setup_files - Create sysfs attributes of an ACPI device. + * @dev: ACPI device object. + */ +int acpi_device_setup_files(struct acpi_device *dev) +{ + struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; + acpi_status status; + int result = 0; + + /* + * Devices gotten from FADT don't have a "path" attribute + */ + if (dev->handle) { + result = device_create_file(&dev->dev, &dev_attr_path); + if (result) + goto end; + } + + if (!list_empty(&dev->pnp.ids)) { + result = device_create_file(&dev->dev, &dev_attr_hid); + if (result) + goto end; + + result = device_create_file(&dev->dev, &dev_attr_modalias); + if (result) + goto end; + } + + /* + * If device has _STR, 'description' file is created + */ + if (acpi_has_method(dev->handle, "_STR")) { + status = acpi_evaluate_object(dev->handle, "_STR", + NULL, &buffer); + if (ACPI_FAILURE(status)) + buffer.pointer = NULL; + dev->pnp.str_obj = buffer.pointer; + result = device_create_file(&dev->dev, &dev_attr_description); + if (result) + goto end; + } + + if (dev->pnp.type.bus_address) + result = device_create_file(&dev->dev, &dev_attr_adr); + if (dev->pnp.unique_id) + result = device_create_file(&dev->dev, &dev_attr_uid); + + if (acpi_has_method(dev->handle, "_SUN")) { + result = device_create_file(&dev->dev, &dev_attr_sun); + if (result) + goto end; + } + + if (acpi_has_method(dev->handle, "_STA")) { + result = device_create_file(&dev->dev, &dev_attr_status); + if (result) + goto end; + } + + /* + * If device has _EJ0, 'eject' file is created that is used to trigger + * hot-removal function from userland. + */ + if (acpi_has_method(dev->handle, "_EJ0")) { + result = device_create_file(&dev->dev, &dev_attr_eject); + if (result) + return result; + } + + if (dev->flags.power_manageable) { + result = device_create_file(&dev->dev, &dev_attr_power_state); + if (result) + return result; + + if (dev->power.flags.power_resources) + result = device_create_file(&dev->dev, + &dev_attr_real_power_state); + } + +end: + return result; +} + +/** + * acpi_device_remove_files - Remove sysfs attributes of an ACPI device. + * @dev: ACPI device object. + */ +void acpi_device_remove_files(struct acpi_device *dev) +{ + if (dev->flags.power_manageable) { + device_remove_file(&dev->dev, &dev_attr_power_state); + if (dev->power.flags.power_resources) + device_remove_file(&dev->dev, + &dev_attr_real_power_state); + } + + /* + * If device has _STR, remove 'description' file + */ + if (acpi_has_method(dev->handle, "_STR")) { + kfree(dev->pnp.str_obj); + device_remove_file(&dev->dev, &dev_attr_description); + } + /* + * If device has _EJ0, remove 'eject' file. + */ + if (acpi_has_method(dev->handle, "_EJ0")) + device_remove_file(&dev->dev, &dev_attr_eject); + + if (acpi_has_method(dev->handle, "_SUN")) + device_remove_file(&dev->dev, &dev_attr_sun); + + if (dev->pnp.unique_id) + device_remove_file(&dev->dev, &dev_attr_uid); + if (dev->pnp.type.bus_address) + device_remove_file(&dev->dev, &dev_attr_adr); + device_remove_file(&dev->dev, &dev_attr_modalias); + device_remove_file(&dev->dev, &dev_attr_hid); + if (acpi_has_method(dev->handle, "_STA")) + device_remove_file(&dev->dev, &dev_attr_status); + if (dev->handle) + device_remove_file(&dev->dev, &dev_attr_path); +} diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index f6aefe9..df7f7af 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -93,6 +93,8 @@ int acpi_device_add(struct acpi_device *device, void (*release)(struct device *)); void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, int type, unsigned long long sta); +int acpi_device_setup_files(struct acpi_device *dev); +void acpi_device_remove_files(struct acpi_device *dev); void acpi_device_add_finalize(struct acpi_device *device); void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); bool acpi_device_is_present(struct acpi_device *adev); @@ -101,6 +103,13 @@ bool acpi_device_is_first_physical_node(struct acpi_device *adev, const struct device *dev); /* -------------------------------------------------------------------------- + Device Matching and Notification + -------------------------------------------------------------------------- */ +struct acpi_device *acpi_companion_match(const struct device *dev); +int __acpi_device_uevent_modalias(struct acpi_device *adev, + struct kobj_uevent_env *env); + +/* -------------------------------------------------------------------------- Power Resource -------------------------------------------------------------------------- */ int acpi_power_init(void); diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 8244f01..f1c966e 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -193,6 +193,7 @@ static bool acpi_decode_space(struct resource_win *win, u8 iodec = attr->granularity == 0xfff ? ACPI_DECODE_10 : ACPI_DECODE_16; bool wp = addr->info.mem.write_protect; u64 len = attr->address_length; + u64 start, end, offset = 0; struct resource *res = &win->res; /* @@ -204,9 +205,6 @@ static bool acpi_decode_space(struct resource_win *win, pr_debug("ACPI: Invalid address space min_addr_fix %d, max_addr_fix %d, len %llx\n", addr->min_address_fixed, addr->max_address_fixed, len); - res->start = attr->minimum; - res->end = attr->maximum; - /* * For bridges that translate addresses across the bridge, * translation_offset is the offset that must be added to the @@ -214,12 +212,22 @@ static bool acpi_decode_space(struct resource_win *win, * primary side. Non-bridge devices must list 0 for all Address * Translation offset bits. */ - if (addr->producer_consumer == ACPI_PRODUCER) { - res->start += attr->translation_offset; - res->end += attr->translation_offset; - } else if (attr->translation_offset) { + if (addr->producer_consumer == ACPI_PRODUCER) + offset = attr->translation_offset; + else if (attr->translation_offset) pr_debug("ACPI: translation_offset(%lld) is invalid for non-bridge device.\n", attr->translation_offset); + start = attr->minimum + offset; + end = attr->maximum + offset; + + win->offset = offset; + res->start = start; + res->end = end; + if (sizeof(resource_size_t) < sizeof(u64) && + (offset != win->offset || start != res->start || end != res->end)) { + pr_warn("acpi resource window ([%#llx-%#llx] ignored, not CPU addressable)\n", + attr->minimum, attr->maximum); + return false; } switch (addr->resource_type) { @@ -236,8 +244,6 @@ static bool acpi_decode_space(struct resource_win *win, return false; } - win->offset = attr->translation_offset; - if (addr->producer_consumer == ACPI_PRODUCER) res->flags |= IORESOURCE_WINDOW; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 89ff6d2..01136b8 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -115,278 +115,6 @@ int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, return 0; } -/** - * create_pnp_modalias - Create hid/cid(s) string for modalias and uevent - * @acpi_dev: ACPI device object. - * @modalias: Buffer to print into. - * @size: Size of the buffer. - * - * Creates hid/cid(s) string needed for modalias and uevent - * e.g. on a device with hid:IBM0001 and cid:ACPI0001 you get: - * char *modalias: "acpi:IBM0001:ACPI0001" - * Return: 0: no _HID and no _CID - * -EINVAL: output error - * -ENOMEM: output is truncated -*/ -static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias, - int size) -{ - int len; - int count; - struct acpi_hardware_id *id; - - /* - * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should - * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the - * device's list. - */ - count = 0; - list_for_each_entry(id, &acpi_dev->pnp.ids, list) - if (strcmp(id->id, ACPI_DT_NAMESPACE_HID)) - count++; - - if (!count) - return 0; - - len = snprintf(modalias, size, "acpi:"); - if (len <= 0) - return len; - - size -= len; - - list_for_each_entry(id, &acpi_dev->pnp.ids, list) { - if (!strcmp(id->id, ACPI_DT_NAMESPACE_HID)) - continue; - - count = snprintf(&modalias[len], size, "%s:", id->id); - if (count < 0) - return -EINVAL; - - if (count >= size) - return -ENOMEM; - - len += count; - size -= count; - } - modalias[len] = '\0'; - return len; -} - -/** - * create_of_modalias - Creates DT compatible string for modalias and uevent - * @acpi_dev: ACPI device object. - * @modalias: Buffer to print into. - * @size: Size of the buffer. - * - * Expose DT compatible modalias as of:NnameTCcompatible. This function should - * only be called for devices having ACPI_DT_NAMESPACE_HID in their list of - * ACPI/PNP IDs. - */ -static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias, - int size) -{ - struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER }; - const union acpi_object *of_compatible, *obj; - int len, count; - int i, nval; - char *c; - - acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf); - /* DT strings are all in lower case */ - for (c = buf.pointer; *c != '\0'; c++) - *c = tolower(*c); - - len = snprintf(modalias, size, "of:N%sT", (char *)buf.pointer); - ACPI_FREE(buf.pointer); - - if (len <= 0) - return len; - - of_compatible = acpi_dev->data.of_compatible; - if (of_compatible->type == ACPI_TYPE_PACKAGE) { - nval = of_compatible->package.count; - obj = of_compatible->package.elements; - } else { /* Must be ACPI_TYPE_STRING. */ - nval = 1; - obj = of_compatible; - } - for (i = 0; i < nval; i++, obj++) { - count = snprintf(&modalias[len], size, "C%s", - obj->string.pointer); - if (count < 0) - return -EINVAL; - - if (count >= size) - return -ENOMEM; - - len += count; - size -= count; - } - modalias[len] = '\0'; - return len; -} - -/** - * acpi_device_is_first_physical_node - Is given dev first physical node - * @adev: ACPI companion device - * @dev: Physical device to check - * - * Function checks if given @dev is the first physical devices attached to - * the ACPI companion device. This distinction is needed in some cases - * where the same companion device is shared between many physical devices. - * - * Note that the caller have to provide valid @adev pointer. - */ -bool acpi_device_is_first_physical_node(struct acpi_device *adev, - const struct device *dev) -{ - bool ret = false; - - mutex_lock(&adev->physical_node_lock); - if (!list_empty(&adev->physical_node_list)) { - const struct acpi_device_physical_node *node; - - node = list_first_entry(&adev->physical_node_list, - struct acpi_device_physical_node, node); - ret = node->dev == dev; - } - mutex_unlock(&adev->physical_node_lock); - - return ret; -} - -/* - * acpi_companion_match() - Can we match via ACPI companion device - * @dev: Device in question - * - * Check if the given device has an ACPI companion and if that companion has - * a valid list of PNP IDs, and if the device is the first (primary) physical - * device associated with it. Return the companion pointer if that's the case - * or NULL otherwise. - * - * If multiple physical devices are attached to a single ACPI companion, we need - * to be careful. The usage scenario for this kind of relationship is that all - * of the physical devices in question use resources provided by the ACPI - * companion. A typical case is an MFD device where all the sub-devices share - * the parent's ACPI companion. In such cases we can only allow the primary - * (first) physical device to be matched with the help of the companion's PNP - * IDs. - * - * Additional physical devices sharing the ACPI companion can still use - * resources available from it but they will be matched normally using functions - * provided by their bus types (and analogously for their modalias). - */ -static struct acpi_device *acpi_companion_match(const struct device *dev) -{ - struct acpi_device *adev; - - adev = ACPI_COMPANION(dev); - if (!adev) - return NULL; - - if (list_empty(&adev->pnp.ids)) - return NULL; - - return acpi_device_is_first_physical_node(adev, dev) ? adev : NULL; -} - -static int __acpi_device_uevent_modalias(struct acpi_device *adev, - struct kobj_uevent_env *env) -{ - int len; - - if (!adev) - return -ENODEV; - - if (list_empty(&adev->pnp.ids)) - return 0; - - if (add_uevent_var(env, "MODALIAS=")) - return -ENOMEM; - - len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], - sizeof(env->buf) - env->buflen); - if (len < 0) - return len; - - env->buflen += len; - if (!adev->data.of_compatible) - return 0; - - if (len > 0 && add_uevent_var(env, "MODALIAS=")) - return -ENOMEM; - - len = create_of_modalias(adev, &env->buf[env->buflen - 1], - sizeof(env->buf) - env->buflen); - if (len < 0) - return len; - - env->buflen += len; - - return 0; -} - -/* - * Creates uevent modalias field for ACPI enumerated devices. - * Because the other buses does not support ACPI HIDs & CIDs. - * e.g. for a device with hid:IBM0001 and cid:ACPI0001 you get: - * "acpi:IBM0001:ACPI0001" - */ -int acpi_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env) -{ - return __acpi_device_uevent_modalias(acpi_companion_match(dev), env); -} -EXPORT_SYMBOL_GPL(acpi_device_uevent_modalias); - -static int __acpi_device_modalias(struct acpi_device *adev, char *buf, int size) -{ - int len, count; - - if (!adev) - return -ENODEV; - - if (list_empty(&adev->pnp.ids)) - return 0; - - len = create_pnp_modalias(adev, buf, size - 1); - if (len < 0) { - return len; - } else if (len > 0) { - buf[len++] = '\n'; - size -= len; - } - if (!adev->data.of_compatible) - return len; - - count = create_of_modalias(adev, buf + len, size - 1); - if (count < 0) { - return count; - } else if (count > 0) { - len += count; - buf[len++] = '\n'; - } - - return len; -} - -/* - * Creates modalias sysfs attribute for ACPI enumerated devices. - * Because the other buses does not support ACPI HIDs & CIDs. - * e.g. for a device with hid:IBM0001 and cid:ACPI0001 you get: - * "acpi:IBM0001:ACPI0001" - */ -int acpi_device_modalias(struct device *dev, char *buf, int size) -{ - return __acpi_device_modalias(acpi_companion_match(dev), buf, size); -} -EXPORT_SYMBOL_GPL(acpi_device_modalias); - -static ssize_t -acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { - return __acpi_device_modalias(to_acpi_device(dev), buf, 1024); -} -static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); - bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent) { struct acpi_device_physical_node *pn; @@ -715,423 +443,6 @@ void acpi_device_hotplug(struct acpi_device *adev, u32 src) unlock_device_hotplug(); } -static ssize_t real_power_state_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *adev = to_acpi_device(dev); - int state; - int ret; - - ret = acpi_device_get_power(adev, &state); - if (ret) - return ret; - - return sprintf(buf, "%s\n", acpi_power_state_string(state)); -} - -static DEVICE_ATTR(real_power_state, 0444, real_power_state_show, NULL); - -static ssize_t power_state_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *adev = to_acpi_device(dev); - - return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state)); -} - -static DEVICE_ATTR(power_state, 0444, power_state_show, NULL); - -static ssize_t -acpi_eject_store(struct device *d, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct acpi_device *acpi_device = to_acpi_device(d); - acpi_object_type not_used; - acpi_status status; - - if (!count || buf[0] != '1') - return -EINVAL; - - if ((!acpi_device->handler || !acpi_device->handler->hotplug.enabled) - && !acpi_device->driver) - return -ENODEV; - - status = acpi_get_type(acpi_device->handle, ¬_used); - if (ACPI_FAILURE(status) || !acpi_device->flags.ejectable) - return -ENODEV; - - get_device(&acpi_device->dev); - status = acpi_hotplug_schedule(acpi_device, ACPI_OST_EC_OSPM_EJECT); - if (ACPI_SUCCESS(status)) - return count; - - put_device(&acpi_device->dev); - acpi_evaluate_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, - ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); - return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; -} - -static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); - -static ssize_t -acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - - return sprintf(buf, "%s\n", acpi_device_hid(acpi_dev)); -} -static DEVICE_ATTR(hid, 0444, acpi_device_hid_show, NULL); - -static ssize_t acpi_device_uid_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - - return sprintf(buf, "%s\n", acpi_dev->pnp.unique_id); -} -static DEVICE_ATTR(uid, 0444, acpi_device_uid_show, NULL); - -static ssize_t acpi_device_adr_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - - return sprintf(buf, "0x%08x\n", - (unsigned int)(acpi_dev->pnp.bus_address)); -} -static DEVICE_ATTR(adr, 0444, acpi_device_adr_show, NULL); - -static ssize_t -acpi_device_path_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_buffer path = {ACPI_ALLOCATE_BUFFER, NULL}; - int result; - - result = acpi_get_name(acpi_dev->handle, ACPI_FULL_PATHNAME, &path); - if (result) - goto end; - - result = sprintf(buf, "%s\n", (char*)path.pointer); - kfree(path.pointer); -end: - return result; -} -static DEVICE_ATTR(path, 0444, acpi_device_path_show, NULL); - -/* sysfs file that shows description text from the ACPI _STR method */ -static ssize_t description_show(struct device *dev, - struct device_attribute *attr, - char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - int result; - - if (acpi_dev->pnp.str_obj == NULL) - return 0; - - /* - * The _STR object contains a Unicode identifier for a device. - * We need to convert to utf-8 so it can be displayed. - */ - result = utf16s_to_utf8s( - (wchar_t *)acpi_dev->pnp.str_obj->buffer.pointer, - acpi_dev->pnp.str_obj->buffer.length, - UTF16_LITTLE_ENDIAN, buf, - PAGE_SIZE); - - buf[result++] = '\n'; - - return result; -} -static DEVICE_ATTR(description, 0444, description_show, NULL); - -static ssize_t -acpi_device_sun_show(struct device *dev, struct device_attribute *attr, - char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - acpi_status status; - unsigned long long sun; - - status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return sprintf(buf, "%llu\n", sun); -} -static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL); - -static ssize_t status_show(struct device *dev, struct device_attribute *attr, - char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - acpi_status status; - unsigned long long sta; - - status = acpi_evaluate_integer(acpi_dev->handle, "_STA", NULL, &sta); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return sprintf(buf, "%llu\n", sta); -} -static DEVICE_ATTR_RO(status); - -static int acpi_device_setup_files(struct acpi_device *dev) -{ - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - acpi_status status; - int result = 0; - - /* - * Devices gotten from FADT don't have a "path" attribute - */ - if (dev->handle) { - result = device_create_file(&dev->dev, &dev_attr_path); - if (result) - goto end; - } - - if (!list_empty(&dev->pnp.ids)) { - result = device_create_file(&dev->dev, &dev_attr_hid); - if (result) - goto end; - - result = device_create_file(&dev->dev, &dev_attr_modalias); - if (result) - goto end; - } - - /* - * If device has _STR, 'description' file is created - */ - if (acpi_has_method(dev->handle, "_STR")) { - status = acpi_evaluate_object(dev->handle, "_STR", - NULL, &buffer); - if (ACPI_FAILURE(status)) - buffer.pointer = NULL; - dev->pnp.str_obj = buffer.pointer; - result = device_create_file(&dev->dev, &dev_attr_description); - if (result) - goto end; - } - - if (dev->pnp.type.bus_address) - result = device_create_file(&dev->dev, &dev_attr_adr); - if (dev->pnp.unique_id) - result = device_create_file(&dev->dev, &dev_attr_uid); - - if (acpi_has_method(dev->handle, "_SUN")) { - result = device_create_file(&dev->dev, &dev_attr_sun); - if (result) - goto end; - } - - if (acpi_has_method(dev->handle, "_STA")) { - result = device_create_file(&dev->dev, &dev_attr_status); - if (result) - goto end; - } - - /* - * If device has _EJ0, 'eject' file is created that is used to trigger - * hot-removal function from userland. - */ - if (acpi_has_method(dev->handle, "_EJ0")) { - result = device_create_file(&dev->dev, &dev_attr_eject); - if (result) - return result; - } - - if (dev->flags.power_manageable) { - result = device_create_file(&dev->dev, &dev_attr_power_state); - if (result) - return result; - - if (dev->power.flags.power_resources) - result = device_create_file(&dev->dev, - &dev_attr_real_power_state); - } - -end: - return result; -} - -static void acpi_device_remove_files(struct acpi_device *dev) -{ - if (dev->flags.power_manageable) { - device_remove_file(&dev->dev, &dev_attr_power_state); - if (dev->power.flags.power_resources) - device_remove_file(&dev->dev, - &dev_attr_real_power_state); - } - - /* - * If device has _STR, remove 'description' file - */ - if (acpi_has_method(dev->handle, "_STR")) { - kfree(dev->pnp.str_obj); - device_remove_file(&dev->dev, &dev_attr_description); - } - /* - * If device has _EJ0, remove 'eject' file. - */ - if (acpi_has_method(dev->handle, "_EJ0")) - device_remove_file(&dev->dev, &dev_attr_eject); - - if (acpi_has_method(dev->handle, "_SUN")) - device_remove_file(&dev->dev, &dev_attr_sun); - - if (dev->pnp.unique_id) - device_remove_file(&dev->dev, &dev_attr_uid); - if (dev->pnp.type.bus_address) - device_remove_file(&dev->dev, &dev_attr_adr); - device_remove_file(&dev->dev, &dev_attr_modalias); - device_remove_file(&dev->dev, &dev_attr_hid); - if (acpi_has_method(dev->handle, "_STA")) - device_remove_file(&dev->dev, &dev_attr_status); - if (dev->handle) - device_remove_file(&dev->dev, &dev_attr_path); -} -/* -------------------------------------------------------------------------- - ACPI Bus operations - -------------------------------------------------------------------------- */ - -/** - * acpi_of_match_device - Match device object using the "compatible" property. - * @adev: ACPI device object to match. - * @of_match_table: List of device IDs to match against. - * - * If @dev has an ACPI companion which has ACPI_DT_NAMESPACE_HID in its list of - * identifiers and a _DSD object with the "compatible" property, use that - * property to match against the given list of identifiers. - */ -static bool acpi_of_match_device(struct acpi_device *adev, - const struct of_device_id *of_match_table) -{ - const union acpi_object *of_compatible, *obj; - int i, nval; - - if (!adev) - return false; - - of_compatible = adev->data.of_compatible; - if (!of_match_table || !of_compatible) - return false; - - if (of_compatible->type == ACPI_TYPE_PACKAGE) { - nval = of_compatible->package.count; - obj = of_compatible->package.elements; - } else { /* Must be ACPI_TYPE_STRING. */ - nval = 1; - obj = of_compatible; - } - /* Now we can look for the driver DT compatible strings */ - for (i = 0; i < nval; i++, obj++) { - const struct of_device_id *id; - - for (id = of_match_table; id->compatible[0]; id++) - if (!strcasecmp(obj->string.pointer, id->compatible)) - return true; - } - - return false; -} - -static bool __acpi_match_device_cls(const struct acpi_device_id *id, - struct acpi_hardware_id *hwid) -{ - int i, msk, byte_shift; - char buf[3]; - - if (!id->cls) - return false; - - /* Apply class-code bitmask, before checking each class-code byte */ - for (i = 1; i <= 3; i++) { - byte_shift = 8 * (3 - i); - msk = (id->cls_msk >> byte_shift) & 0xFF; - if (!msk) - continue; - - sprintf(buf, "%02x", (id->cls >> byte_shift) & msk); - if (strncmp(buf, &hwid->id[(i - 1) * 2], 2)) - return false; - } - return true; -} - -static const struct acpi_device_id *__acpi_match_device( - struct acpi_device *device, - const struct acpi_device_id *ids, - const struct of_device_id *of_ids) -{ - const struct acpi_device_id *id; - struct acpi_hardware_id *hwid; - - /* - * If the device is not present, it is unnecessary to load device - * driver for it. - */ - if (!device || !device->status.present) - return NULL; - - list_for_each_entry(hwid, &device->pnp.ids, list) { - /* First, check the ACPI/PNP IDs provided by the caller. */ - for (id = ids; id->id[0] || id->cls; id++) { - if (id->id[0] && !strcmp((char *) id->id, hwid->id)) - return id; - else if (id->cls && __acpi_match_device_cls(id, hwid)) - return id; - } - - /* - * Next, check ACPI_DT_NAMESPACE_HID and try to match the - * "compatible" property if found. - * - * The id returned by the below is not valid, but the only - * caller passing non-NULL of_ids here is only interested in - * whether or not the return value is NULL. - */ - if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id) - && acpi_of_match_device(device, of_ids)) - return id; - } - return NULL; -} - -/** - * acpi_match_device - Match a struct device against a given list of ACPI IDs - * @ids: Array of struct acpi_device_id object to match against. - * @dev: The device structure to match. - * - * Check if @dev has a valid ACPI handle and if there is a struct acpi_device - * object for that handle and use that object to match against a given list of - * device IDs. - * - * Return a pointer to the first matching ID on success or %NULL on failure. - */ -const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, - const struct device *dev) -{ - return __acpi_match_device(acpi_companion_match(dev), ids, NULL); -} -EXPORT_SYMBOL_GPL(acpi_match_device); - -int acpi_match_device_ids(struct acpi_device *device, - const struct acpi_device_id *ids) -{ - return __acpi_match_device(device, ids, NULL) ? 0 : -ENOENT; -} -EXPORT_SYMBOL(acpi_match_device_ids); - -bool acpi_driver_match_device(struct device *dev, - const struct device_driver *drv) -{ - if (!drv->acpi_match_table) - return acpi_of_match_device(ACPI_COMPANION(dev), - drv->of_match_table); - - return !!__acpi_match_device(acpi_companion_match(dev), - drv->acpi_match_table, drv->of_match_table); -} -EXPORT_SYMBOL_GPL(acpi_driver_match_device); - static void acpi_free_power_resources_lists(struct acpi_device *device) { int i; @@ -1158,144 +469,6 @@ static void acpi_device_release(struct device *dev) kfree(acpi_dev); } -static int acpi_bus_match(struct device *dev, struct device_driver *drv) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = to_acpi_driver(drv); - - return acpi_dev->flags.match_driver - && !acpi_match_device_ids(acpi_dev, acpi_drv->ids); -} - -static int acpi_device_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - return __acpi_device_uevent_modalias(to_acpi_device(dev), env); -} - -static void acpi_device_notify(acpi_handle handle, u32 event, void *data) -{ - struct acpi_device *device = data; - - device->driver->ops.notify(device, event); -} - -static void acpi_device_notify_fixed(void *data) -{ - struct acpi_device *device = data; - - /* Fixed hardware devices have no handles */ - acpi_device_notify(NULL, ACPI_FIXED_HARDWARE_EVENT, device); -} - -static u32 acpi_device_fixed_event(void *data) -{ - acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_device_notify_fixed, data); - return ACPI_INTERRUPT_HANDLED; -} - -static int acpi_device_install_notify_handler(struct acpi_device *device) -{ - acpi_status status; - - if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) - status = - acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_device_fixed_event, - device); - else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) - status = - acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_device_fixed_event, - device); - else - status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_device_notify, - device); - - if (ACPI_FAILURE(status)) - return -EINVAL; - return 0; -} - -static void acpi_device_remove_notify_handler(struct acpi_device *device) -{ - if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) - acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_device_fixed_event); - else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) - acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_device_fixed_event); - else - acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, - acpi_device_notify); -} - -static int acpi_device_probe(struct device *dev) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver); - int ret; - - if (acpi_dev->handler && !acpi_is_pnp_device(acpi_dev)) - return -EINVAL; - - if (!acpi_drv->ops.add) - return -ENOSYS; - - ret = acpi_drv->ops.add(acpi_dev); - if (ret) - return ret; - - acpi_dev->driver = acpi_drv; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Driver [%s] successfully bound to device [%s]\n", - acpi_drv->name, acpi_dev->pnp.bus_id)); - - if (acpi_drv->ops.notify) { - ret = acpi_device_install_notify_handler(acpi_dev); - if (ret) { - if (acpi_drv->ops.remove) - acpi_drv->ops.remove(acpi_dev); - - acpi_dev->driver = NULL; - acpi_dev->driver_data = NULL; - return ret; - } - } - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found driver [%s] for device [%s]\n", - acpi_drv->name, acpi_dev->pnp.bus_id)); - get_device(dev); - return 0; -} - -static int acpi_device_remove(struct device * dev) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = acpi_dev->driver; - - if (acpi_drv) { - if (acpi_drv->ops.notify) - acpi_device_remove_notify_handler(acpi_dev); - if (acpi_drv->ops.remove) - acpi_drv->ops.remove(acpi_dev); - } - acpi_dev->driver = NULL; - acpi_dev->driver_data = NULL; - - put_device(dev); - return 0; -} - -struct bus_type acpi_bus_type = { - .name = "acpi", - .match = acpi_bus_match, - .probe = acpi_device_probe, - .remove = acpi_device_remove, - .uevent = acpi_device_uevent, -}; - static void acpi_device_del(struct acpi_device *device) { mutex_lock(&acpi_device_lock); @@ -1543,47 +716,6 @@ struct acpi_device *acpi_get_next_child(struct device *dev, } /* -------------------------------------------------------------------------- - Driver Management - -------------------------------------------------------------------------- */ -/** - * acpi_bus_register_driver - register a driver with the ACPI bus - * @driver: driver being registered - * - * Registers a driver with the ACPI bus. Searches the namespace for all - * devices that match the driver's criteria and binds. Returns zero for - * success or a negative error status for failure. - */ -int acpi_bus_register_driver(struct acpi_driver *driver) -{ - int ret; - - if (acpi_disabled) - return -ENODEV; - driver->drv.name = driver->name; - driver->drv.bus = &acpi_bus_type; - driver->drv.owner = driver->owner; - - ret = driver_register(&driver->drv); - return ret; -} - -EXPORT_SYMBOL(acpi_bus_register_driver); - -/** - * acpi_bus_unregister_driver - unregisters a driver with the ACPI bus - * @driver: driver to unregister - * - * Unregisters a driver with the ACPI bus. Searches the namespace for all - * devices that match the driver's criteria and unbinds. - */ -void acpi_bus_unregister_driver(struct acpi_driver *driver) -{ - driver_unregister(&driver->drv); -} - -EXPORT_SYMBOL(acpi_bus_unregister_driver); - -/* -------------------------------------------------------------------------- Device Enumeration -------------------------------------------------------------------------- */ static struct acpi_device *acpi_bus_get_parent(acpi_handle handle) @@ -2758,12 +1890,6 @@ int __init acpi_scan_init(void) { int result; - result = bus_register(&acpi_bus_type); - if (result) { - /* We don't want to quit even if we failed to add suspend/resume */ - printk(KERN_ERR PREFIX "Could not register bus type\n"); - } - acpi_pci_root_init(); acpi_pci_link_init(); acpi_processor_init(); diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index d1d6141..7920c27 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -2108,8 +2108,17 @@ static void nvme_alloc_ns(struct nvme_dev *dev, unsigned nsid) goto out_free_disk; add_disk(ns->disk); - if (ns->ms) - revalidate_disk(ns->disk); + if (ns->ms) { + struct block_device *bd = bdget_disk(ns->disk, 0); + if (!bd) + return; + if (blkdev_get(bd, FMODE_READ, NULL)) { + bdput(bd); + return; + } + blkdev_reread_part(bd); + blkdev_put(bd, FMODE_READ); + } return; out_free_disk: kfree(disk); diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 283f00a..1082d4b 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -129,8 +129,9 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, device_initialize(&chip->dev); - chip->cdev.owner = chip->pdev->driver->owner; cdev_init(&chip->cdev, &tpm_fops); + chip->cdev.owner = chip->pdev->driver->owner; + chip->cdev.kobj.parent = &chip->dev.kobj; return chip; } diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 44f9d20..1267322 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -233,6 +233,14 @@ static int crb_acpi_add(struct acpi_device *device) return -ENODEV; } + /* At least some versions of AMI BIOS have a bug that TPM2 table has + * zero address for the control area and therefore we must fail. + */ + if (!buf->control_area_pa) { + dev_err(dev, "TPM2 ACPI table has a zero address for the control area\n"); + return -EINVAL; + } + if (buf->hdr.length < sizeof(struct acpi_tpm2)) { dev_err(dev, "TPM2 ACPI table has wrong size"); return -EINVAL; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index b612411..26063af 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -169,6 +169,15 @@ struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy) } EXPORT_SYMBOL_GPL(get_governor_parent_kobj); +struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) +{ + struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); + + return policy && !policy_is_inactive(policy) ? + policy->freq_table : NULL; +} +EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); + static inline u64 get_cpu_idle_time_jiffy(unsigned int cpu, u64 *wall) { u64 idle_time; @@ -1132,6 +1141,7 @@ static struct cpufreq_policy *cpufreq_policy_restore(unsigned int cpu) down_write(&policy->rwsem); policy->cpu = cpu; + policy->governor = NULL; up_write(&policy->rwsem); } diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index df14766..dfbbf981 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -297,15 +297,6 @@ int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, } EXPORT_SYMBOL_GPL(cpufreq_table_validate_and_show); -struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu); - -struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) -{ - struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); - return policy ? policy->freq_table : NULL; -} -EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); - MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>"); MODULE_DESCRIPTION("CPUfreq frequency table helpers"); MODULE_LICENSE("GPL"); diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index e8e2775..48b7228 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -112,7 +112,12 @@ int cpuidle_find_deepest_state(struct cpuidle_driver *drv, static void enter_freeze_proper(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { - tick_freeze(); + /* + * trace_suspend_resume() called by tick_freeze() for the last CPU + * executing it contains RCU usage regarded as invalid in the idle + * context, so tell RCU about that. + */ + RCU_NONIDLE(tick_freeze()); /* * The state used here cannot be a "coupled" one, because the "coupled" * cpuidle mechanism enables interrupts and doing that with timekeeping @@ -122,7 +127,7 @@ static void enter_freeze_proper(struct cpuidle_driver *drv, WARN_ON(!irqs_disabled()); /* * timekeeping_resume() that will be called by tick_unfreeze() for the - * last CPU executing it calls functions containing RCU read-side + * first CPU executing it calls functions containing RCU read-side * critical sections, so tell RCU about that. */ RCU_NONIDLE(tick_unfreeze()); diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c index 67f8081..e4311ce 100644 --- a/drivers/crypto/nx/nx-aes-ccm.c +++ b/drivers/crypto/nx/nx-aes-ccm.c @@ -494,8 +494,9 @@ out: static int ccm4309_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); @@ -525,8 +526,9 @@ static int ccm_aes_nx_encrypt(struct aead_request *req) static int ccm4309_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c index 2617cd4..dd7e9f3 100644 --- a/drivers/crypto/nx/nx-aes-ctr.c +++ b/drivers/crypto/nx/nx-aes-ctr.c @@ -72,7 +72,7 @@ static int ctr3686_aes_nx_set_key(struct crypto_tfm *tfm, if (key_len < CTR_RFC3686_NONCE_SIZE) return -EINVAL; - memcpy(nx_ctx->priv.ctr.iv, + memcpy(nx_ctx->priv.ctr.nonce, in_key + key_len - CTR_RFC3686_NONCE_SIZE, CTR_RFC3686_NONCE_SIZE); @@ -131,14 +131,15 @@ static int ctr3686_aes_nx_crypt(struct blkcipher_desc *desc, unsigned int nbytes) { struct nx_crypto_ctx *nx_ctx = crypto_blkcipher_ctx(desc->tfm); - u8 *iv = nx_ctx->priv.ctr.iv; + u8 iv[16]; + memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_IV_SIZE); memcpy(iv + CTR_RFC3686_NONCE_SIZE, desc->info, CTR_RFC3686_IV_SIZE); iv[12] = iv[13] = iv[14] = 0; iv[15] = 1; - desc->info = nx_ctx->priv.ctr.iv; + desc->info = iv; return ctr_aes_nx_crypt(desc, dst, src, nbytes); } diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c index 08ac6d4..92c993f 100644 --- a/drivers/crypto/nx/nx-aes-gcm.c +++ b/drivers/crypto/nx/nx-aes-gcm.c @@ -317,6 +317,7 @@ out: static int gcm_aes_nx_crypt(struct aead_request *req, int enc) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct blkcipher_desc desc; unsigned int nbytes = req->cryptlen; @@ -326,7 +327,7 @@ static int gcm_aes_nx_crypt(struct aead_request *req, int enc) spin_lock_irqsave(&nx_ctx->lock, irq_flags); - desc.info = nx_ctx->priv.gcm.iv; + desc.info = rctx->iv; /* initialize the counter */ *(u32 *)(desc.info + NX_GCM_CTR_OFFSET) = 1; @@ -424,8 +425,8 @@ out: static int gcm_aes_nx_encrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -434,8 +435,8 @@ static int gcm_aes_nx_encrypt(struct aead_request *req) static int gcm_aes_nx_decrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -445,7 +446,8 @@ static int gcm_aes_nx_decrypt(struct aead_request *req) static int gcm4106_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); @@ -457,7 +459,8 @@ static int gcm4106_aes_nx_encrypt(struct aead_request *req) static int gcm4106_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); diff --git a/drivers/crypto/nx/nx-aes-xcbc.c b/drivers/crypto/nx/nx-aes-xcbc.c index 8c2faff..c2f7d4b 100644 --- a/drivers/crypto/nx/nx-aes-xcbc.c +++ b/drivers/crypto/nx/nx-aes-xcbc.c @@ -42,6 +42,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, unsigned int key_len) { struct nx_crypto_ctx *nx_ctx = crypto_shash_ctx(desc); + struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; switch (key_len) { case AES_KEYSIZE_128: @@ -51,7 +52,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, return -EINVAL; } - memcpy(nx_ctx->priv.xcbc.key, in_key, key_len); + memcpy(csbcpb->cpb.aes_xcbc.key, in_key, key_len); return 0; } @@ -148,32 +149,29 @@ out: return rc; } -static int nx_xcbc_init(struct shash_desc *desc) +static int nx_crypto_ctx_aes_xcbc_init2(struct crypto_tfm *tfm) { - struct xcbc_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; - struct nx_sg *out_sg; - int len; + int err; - nx_ctx_init(nx_ctx, HCOP_FC_AES); + err = nx_crypto_ctx_aes_xcbc_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_AES); NX_CPB_SET_KEY_SIZE(csbcpb, NX_KS_AES_128); csbcpb->cpb.hdr.mode = NX_MODE_AES_XCBC_MAC; - memcpy(csbcpb->cpb.aes_xcbc.key, nx_ctx->priv.xcbc.key, AES_BLOCK_SIZE); - memset(nx_ctx->priv.xcbc.key, 0, sizeof *nx_ctx->priv.xcbc.key); - - len = AES_BLOCK_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, nx_ctx->ap->sglen); + return 0; +} - if (len != AES_BLOCK_SIZE) - return -EINVAL; +static int nx_xcbc_init(struct shash_desc *desc) +{ + struct xcbc_state *sctx = shash_desc_ctx(desc); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + memset(sctx, 0, sizeof *sctx); return 0; } @@ -186,6 +184,7 @@ static int nx_xcbc_update(struct shash_desc *desc, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u32 to_process = 0, leftover, total; unsigned int max_sg_len; unsigned long irq_flags; @@ -213,6 +212,17 @@ static int nx_xcbc_update(struct shash_desc *desc, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = AES_BLOCK_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &len, nx_ctx->ap->sglen); + + if (data_len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } + + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + do { to_process = total - to_process; to_process = to_process & ~(AES_BLOCK_SIZE - 1); @@ -235,8 +245,10 @@ static int nx_xcbc_update(struct shash_desc *desc, (u8 *) sctx->buffer, &data_len, max_sg_len); - if (data_len != sctx->count) - return -EINVAL; + if (data_len != sctx->count) { + rc = -EINVAL; + goto out; + } } data_len = to_process - sctx->count; @@ -245,8 +257,10 @@ static int nx_xcbc_update(struct shash_desc *desc, &data_len, max_sg_len); - if (data_len != to_process - sctx->count) - return -EINVAL; + if (data_len != to_process - sctx->count) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); @@ -325,15 +339,19 @@ static int nx_xcbc_final(struct shash_desc *desc, u8 *out) in_sg = nx_build_sg_list(nx_ctx->in_sg, (u8 *)sctx->buffer, &len, nx_ctx->ap->sglen); - if (len != sctx->count) - return -EINVAL; + if (len != sctx->count) { + rc = -EINVAL; + goto out; + } len = AES_BLOCK_SIZE; out_sg = nx_build_sg_list(nx_ctx->out_sg, out, &len, nx_ctx->ap->sglen); - if (len != AES_BLOCK_SIZE) - return -EINVAL; + if (len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); @@ -372,7 +390,7 @@ struct shash_alg nx_shash_aes_xcbc_alg = { .cra_blocksize = AES_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_aes_xcbc_init, + .cra_init = nx_crypto_ctx_aes_xcbc_init2, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c index 4e91bdb..08f8d5c 100644 --- a/drivers/crypto/nx/nx-sha256.c +++ b/drivers/crypto/nx/nx-sha256.c @@ -29,34 +29,28 @@ #include "nx.h" -static int nx_sha256_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha256_init(struct crypto_tfm *tfm) { - struct sha256_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - struct nx_sg *out_sg; - int len; - u32 max_sg_len; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA256]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA256); - max_sg_len = min_t(u64, nx_ctx->ap->sglen, - nx_driver.of.max_sg_len/sizeof(struct nx_sg)); - max_sg_len = min_t(u64, max_sg_len, - nx_ctx->ap->databytelen/NX_PAGE_SIZE); + return 0; +} - len = SHA256_DIGEST_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, max_sg_len); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); +static int nx_sha256_init(struct shash_desc *desc) { + struct sha256_state *sctx = shash_desc_ctx(desc); - if (len != SHA256_DIGEST_SIZE) - return -EINVAL; + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be32(SHA256_H0); sctx->state[1] = __cpu_to_be32(SHA256_H1); @@ -78,6 +72,7 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process = 0, leftover, total; unsigned long irq_flags; int rc = 0; @@ -108,6 +103,16 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = SHA256_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA256_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { /* * to_process: the SHA256_BLOCK_SIZE data chunk to process in @@ -282,7 +287,7 @@ struct shash_alg nx_shash_sha256_alg = { .cra_blocksize = SHA256_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha256_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c index e6a58d2..aff0fe5 100644 --- a/drivers/crypto/nx/nx-sha512.c +++ b/drivers/crypto/nx/nx-sha512.c @@ -28,34 +28,29 @@ #include "nx.h" -static int nx_sha512_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha512_init(struct crypto_tfm *tfm) { - struct sha512_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - struct nx_sg *out_sg; - int len; - u32 max_sg_len; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA512]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA512); - max_sg_len = min_t(u64, nx_ctx->ap->sglen, - nx_driver.of.max_sg_len/sizeof(struct nx_sg)); - max_sg_len = min_t(u64, max_sg_len, - nx_ctx->ap->databytelen/NX_PAGE_SIZE); + return 0; +} - len = SHA512_DIGEST_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, max_sg_len); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); +static int nx_sha512_init(struct shash_desc *desc) +{ + struct sha512_state *sctx = shash_desc_ctx(desc); - if (len != SHA512_DIGEST_SIZE) - return -EINVAL; + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be64(SHA512_H0); sctx->state[1] = __cpu_to_be64(SHA512_H1); @@ -77,6 +72,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process, leftover = 0, total; unsigned long irq_flags; int rc = 0; @@ -107,6 +103,16 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = SHA512_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA512_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { /* * to_process: the SHA512_BLOCK_SIZE data chunk to process in @@ -288,7 +294,7 @@ struct shash_alg nx_shash_sha512_alg = { .cra_blocksize = SHA512_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha512_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index f6198f2..4369713 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -713,12 +713,15 @@ static int nx_crypto_ctx_init(struct nx_crypto_ctx *nx_ctx, u32 fc, u32 mode) /* entry points from the crypto tfm initializers */ int nx_crypto_ctx_aes_ccm_init(struct crypto_tfm *tfm) { + crypto_aead_set_reqsize(__crypto_aead_cast(tfm), + sizeof(struct nx_ccm_rctx)); return nx_crypto_ctx_init(crypto_tfm_ctx(tfm), NX_FC_AES, NX_MODE_AES_CCM); } int nx_crypto_ctx_aes_gcm_init(struct crypto_aead *tfm) { + crypto_aead_set_reqsize(tfm, sizeof(struct nx_gcm_rctx)); return nx_crypto_ctx_init(crypto_aead_ctx(tfm), NX_FC_AES, NX_MODE_AES_GCM); } diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index de3ea87..cdff03a 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -2,6 +2,8 @@ #ifndef __NX_H__ #define __NX_H__ +#include <crypto/ctr.h> + #define NX_NAME "nx-crypto" #define NX_STRING "IBM Power7+ Nest Accelerator Crypto Driver" #define NX_VERSION "1.0" @@ -91,8 +93,11 @@ struct nx_crypto_driver { #define NX_GCM4106_NONCE_LEN (4) #define NX_GCM_CTR_OFFSET (12) -struct nx_gcm_priv { +struct nx_gcm_rctx { u8 iv[16]; +}; + +struct nx_gcm_priv { u8 iauth_tag[16]; u8 nonce[NX_GCM4106_NONCE_LEN]; }; @@ -100,8 +105,11 @@ struct nx_gcm_priv { #define NX_CCM_AES_KEY_LEN (16) #define NX_CCM4309_AES_KEY_LEN (19) #define NX_CCM4309_NONCE_LEN (3) -struct nx_ccm_priv { +struct nx_ccm_rctx { u8 iv[16]; +}; + +struct nx_ccm_priv { u8 b0[16]; u8 iauth_tag[16]; u8 oauth_tag[16]; @@ -113,7 +121,7 @@ struct nx_xcbc_priv { }; struct nx_ctr_priv { - u8 iv[16]; + u8 nonce[CTR_RFC3686_NONCE_SIZE]; }; struct nx_crypto_ctx { diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 4630709..0a70e46 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -536,9 +536,6 @@ static int omap_des_crypt_dma_stop(struct omap_des_dev *dd) dmaengine_terminate_all(dd->dma_lch_in); dmaengine_terminate_all(dd->dma_lch_out); - dma_unmap_sg(dd->dev, dd->in_sg, dd->in_sg_len, DMA_TO_DEVICE); - dma_unmap_sg(dd->dev, dd->out_sg, dd->out_sg_len, DMA_FROM_DEVICE); - return err; } diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c index c7dcfe4..0429040 100644 --- a/drivers/infiniband/core/agent.c +++ b/drivers/infiniband/core/agent.c @@ -88,7 +88,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh * struct ib_ah *ah; struct ib_mad_send_wr_private *mad_send_wr; - if (device->node_type == RDMA_NODE_IB_SWITCH) + if (rdma_cap_ib_switch(device)) port_priv = ib_get_agent_port(device, 0); else port_priv = ib_get_agent_port(device, port_num); @@ -122,7 +122,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh * memcpy(send_buf->mad, mad_hdr, resp_mad_len); send_buf->ah = ah; - if (device->node_type == RDMA_NODE_IB_SWITCH) { + if (rdma_cap_ib_switch(device)) { mad_send_wr = container_of(send_buf, struct ib_mad_send_wr_private, send_buf); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index dbddddd..3a972eb 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -169,6 +169,7 @@ struct cm_device { struct ib_device *ib_device; struct device *device; u8 ack_delay; + int going_down; struct cm_port *port[0]; }; @@ -805,6 +806,11 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) { int wait_time; unsigned long flags; + struct cm_device *cm_dev; + + cm_dev = ib_get_client_data(cm_id_priv->id.device, &cm_client); + if (!cm_dev) + return; spin_lock_irqsave(&cm.lock, flags); cm_cleanup_timewait(cm_id_priv->timewait_info); @@ -818,8 +824,14 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) */ cm_id_priv->id.state = IB_CM_TIMEWAIT; wait_time = cm_convert_to_ms(cm_id_priv->av.timeout); - queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work, - msecs_to_jiffies(wait_time)); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!cm_dev->going_down) + queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work, + msecs_to_jiffies(wait_time)); + spin_unlock_irq(&cm.lock); + cm_id_priv->timewait_info = NULL; } @@ -3305,6 +3317,11 @@ static int cm_establish(struct ib_cm_id *cm_id) struct cm_work *work; unsigned long flags; int ret = 0; + struct cm_device *cm_dev; + + cm_dev = ib_get_client_data(cm_id->device, &cm_client); + if (!cm_dev) + return -ENODEV; work = kmalloc(sizeof *work, GFP_ATOMIC); if (!work) @@ -3343,7 +3360,17 @@ static int cm_establish(struct ib_cm_id *cm_id) work->remote_id = cm_id->remote_id; work->mad_recv_wc = NULL; work->cm_event.event = IB_CM_USER_ESTABLISHED; - queue_delayed_work(cm.wq, &work->work, 0); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!cm_dev->going_down) { + queue_delayed_work(cm.wq, &work->work, 0); + } else { + kfree(work); + ret = -ENODEV; + } + spin_unlock_irq(&cm.lock); + out: return ret; } @@ -3394,6 +3421,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, enum ib_cm_event_type event; u16 attr_id; int paths = 0; + int going_down = 0; switch (mad_recv_wc->recv_buf.mad->mad_hdr.attr_id) { case CM_REQ_ATTR_ID: @@ -3452,7 +3480,19 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, work->cm_event.event = event; work->mad_recv_wc = mad_recv_wc; work->port = port; - queue_delayed_work(cm.wq, &work->work, 0); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!port->cm_dev->going_down) + queue_delayed_work(cm.wq, &work->work, 0); + else + going_down = 1; + spin_unlock_irq(&cm.lock); + + if (going_down) { + kfree(work); + ib_free_recv_mad(mad_recv_wc); + } } static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv, @@ -3771,7 +3811,7 @@ static void cm_add_one(struct ib_device *ib_device) cm_dev->ib_device = ib_device; cm_get_ack_delay(cm_dev); - + cm_dev->going_down = 0; cm_dev->device = device_create(&cm_class, &ib_device->dev, MKDEV(0, 0), NULL, "%s", ib_device->name); @@ -3864,14 +3904,23 @@ static void cm_remove_one(struct ib_device *ib_device) list_del(&cm_dev->list); write_unlock_irqrestore(&cm.device_lock, flags); + spin_lock_irq(&cm.lock); + cm_dev->going_down = 1; + spin_unlock_irq(&cm.lock); + for (i = 1; i <= ib_device->phys_port_cnt; i++) { if (!rdma_cap_ib_cm(ib_device, i)) continue; port = cm_dev->port[i-1]; ib_modify_port(ib_device, port->port_num, 0, &port_modify); - ib_unregister_mad_agent(port->mad_agent); + /* + * We flush the queue here after the going_down set, this + * verify that no new works will be queued in the recv handler, + * after that we can call the unregister_mad_agent + */ flush_workqueue(cm.wq); + ib_unregister_mad_agent(port->mad_agent); cm_remove_port_fs(port); } device_unregister(cm_dev->device); diff --git a/drivers/infiniband/core/iwpm_msg.c b/drivers/infiniband/core/iwpm_msg.c index e6ffa2e..22a3abe 100644 --- a/drivers/infiniband/core/iwpm_msg.c +++ b/drivers/infiniband/core/iwpm_msg.c @@ -67,7 +67,8 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto pid_query_error; } - if (iwpm_registered_client(nl_client)) + if (iwpm_check_registration(nl_client, IWPM_REG_VALID) || + iwpm_user_pid == IWPM_PID_UNAVAILABLE) return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REG_PID, &nlh, nl_client); if (!skb) { @@ -106,7 +107,6 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client) ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_IWPM, GFP_KERNEL); if (ret) { skb = NULL; /* skb is freed in the netlink send-op handling */ - iwpm_set_registered(nl_client, 1); iwpm_user_pid = IWPM_PID_UNAVAILABLE; err_str = "Unable to send a nlmsg"; goto pid_query_error; @@ -144,12 +144,12 @@ int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto add_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) { err_str = "Unregistered port mapper client"; goto add_mapping_error; } - if (!iwpm_valid_pid()) - return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_ADD_MAPPING, &nlh, nl_client); if (!skb) { err_str = "Unable to create a nlmsg"; @@ -214,12 +214,12 @@ int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto query_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) { err_str = "Unregistered port mapper client"; goto query_mapping_error; } - if (!iwpm_valid_pid()) - return 0; ret = -ENOMEM; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_QUERY_MAPPING, &nlh, nl_client); if (!skb) { @@ -288,12 +288,12 @@ int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client) err_str = "Invalid port mapper client"; goto remove_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (iwpm_check_registration(nl_client, IWPM_REG_UNDEF)) { err_str = "Unregistered port mapper client"; goto remove_mapping_error; } - if (!iwpm_valid_pid()) - return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REMOVE_MAPPING, &nlh, nl_client); if (!skb) { ret = -ENOMEM; @@ -388,7 +388,7 @@ int iwpm_register_pid_cb(struct sk_buff *skb, struct netlink_callback *cb) pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n", __func__, iwpm_user_pid); if (iwpm_valid_client(nl_client)) - iwpm_set_registered(nl_client, 1); + iwpm_set_registration(nl_client, IWPM_REG_VALID); register_pid_response_exit: nlmsg_request->request_done = 1; /* always for found nlmsg_request */ @@ -644,7 +644,6 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb) { struct nlattr *nltb[IWPM_NLA_MAPINFO_REQ_MAX]; const char *msg_type = "Mapping Info response"; - int iwpm_pid; u8 nl_client; char *iwpm_name; u16 iwpm_version; @@ -669,14 +668,14 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb) __func__, nl_client); return ret; } - iwpm_set_registered(nl_client, 0); + iwpm_set_registration(nl_client, IWPM_REG_INCOMPL); atomic_set(&echo_nlmsg_seq, cb->nlh->nlmsg_seq); + iwpm_user_pid = cb->nlh->nlmsg_pid; if (!iwpm_mapinfo_available()) return 0; - iwpm_pid = cb->nlh->nlmsg_pid; pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n", - __func__, iwpm_pid); - ret = iwpm_send_mapinfo(nl_client, iwpm_pid); + __func__, iwpm_user_pid); + ret = iwpm_send_mapinfo(nl_client, iwpm_user_pid); return ret; } EXPORT_SYMBOL(iwpm_mapping_info_cb); diff --git a/drivers/infiniband/core/iwpm_util.c b/drivers/infiniband/core/iwpm_util.c index a626795..5fb089e 100644 --- a/drivers/infiniband/core/iwpm_util.c +++ b/drivers/infiniband/core/iwpm_util.c @@ -78,6 +78,7 @@ init_exit: mutex_unlock(&iwpm_admin_lock); if (!ret) { iwpm_set_valid(nl_client, 1); + iwpm_set_registration(nl_client, IWPM_REG_UNDEF); pr_debug("%s: Mapinfo and reminfo tables are created\n", __func__); } @@ -106,6 +107,7 @@ int iwpm_exit(u8 nl_client) } mutex_unlock(&iwpm_admin_lock); iwpm_set_valid(nl_client, 0); + iwpm_set_registration(nl_client, IWPM_REG_UNDEF); return 0; } EXPORT_SYMBOL(iwpm_exit); @@ -397,17 +399,23 @@ void iwpm_set_valid(u8 nl_client, int valid) } /* valid client */ -int iwpm_registered_client(u8 nl_client) +u32 iwpm_get_registration(u8 nl_client) { return iwpm_admin.reg_list[nl_client]; } /* valid client */ -void iwpm_set_registered(u8 nl_client, int reg) +void iwpm_set_registration(u8 nl_client, u32 reg) { iwpm_admin.reg_list[nl_client] = reg; } +/* valid client */ +u32 iwpm_check_registration(u8 nl_client, u32 reg) +{ + return (iwpm_get_registration(nl_client) & reg); +} + int iwpm_compare_sockaddr(struct sockaddr_storage *a_sockaddr, struct sockaddr_storage *b_sockaddr) { diff --git a/drivers/infiniband/core/iwpm_util.h b/drivers/infiniband/core/iwpm_util.h index ee2d9ff..b7b9e19 100644 --- a/drivers/infiniband/core/iwpm_util.h +++ b/drivers/infiniband/core/iwpm_util.h @@ -58,6 +58,10 @@ #define IWPM_PID_UNDEFINED -1 #define IWPM_PID_UNAVAILABLE -2 +#define IWPM_REG_UNDEF 0x01 +#define IWPM_REG_VALID 0x02 +#define IWPM_REG_INCOMPL 0x04 + struct iwpm_nlmsg_request { struct list_head inprocess_list; __u32 nlmsg_seq; @@ -88,7 +92,7 @@ struct iwpm_admin_data { atomic_t refcount; atomic_t nlmsg_seq; int client_list[RDMA_NL_NUM_CLIENTS]; - int reg_list[RDMA_NL_NUM_CLIENTS]; + u32 reg_list[RDMA_NL_NUM_CLIENTS]; }; /** @@ -159,19 +163,31 @@ int iwpm_valid_client(u8 nl_client); void iwpm_set_valid(u8 nl_client, int valid); /** - * iwpm_registered_client - Check if the port mapper client is registered + * iwpm_check_registration - Check if the client registration + * matches the given one * @nl_client: The index of the netlink client + * @reg: The given registration type to compare with * * Call iwpm_register_pid() to register a client + * Returns true if the client registration matches reg, + * otherwise returns false + */ +u32 iwpm_check_registration(u8 nl_client, u32 reg); + +/** + * iwpm_set_registration - Set the client registration + * @nl_client: The index of the netlink client + * @reg: Registration type to set */ -int iwpm_registered_client(u8 nl_client); +void iwpm_set_registration(u8 nl_client, u32 reg); /** - * iwpm_set_registered - Set the port mapper client to registered or not + * iwpm_get_registration * @nl_client: The index of the netlink client - * @reg: 1 if registered or 0 if not + * + * Returns the client registration type */ -void iwpm_set_registered(u8 nl_client, int reg); +u32 iwpm_get_registration(u8 nl_client); /** * iwpm_send_mapinfo - Send local and mapped IPv4/IPv6 address info of diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index a4b1466..786fc51 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -769,7 +769,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, bool opa = rdma_cap_opa_mad(mad_agent_priv->qp_info->port_priv->device, mad_agent_priv->qp_info->port_priv->port_num); - if (device->node_type == RDMA_NODE_IB_SWITCH && + if (rdma_cap_ib_switch(device) && smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) port_num = send_wr->wr.ud.port_num; else @@ -787,14 +787,15 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, if ((opa_get_smp_direction(opa_smp) ? opa_smp->route.dr.dr_dlid : opa_smp->route.dr.dr_slid) == OPA_LID_PERMISSIVE && - opa_smi_handle_dr_smp_send(opa_smp, device->node_type, + opa_smi_handle_dr_smp_send(opa_smp, + rdma_cap_ib_switch(device), port_num) == IB_SMI_DISCARD) { ret = -EINVAL; dev_err(&device->dev, "OPA Invalid directed route\n"); goto out; } opa_drslid = be32_to_cpu(opa_smp->route.dr.dr_slid); - if (opa_drslid != OPA_LID_PERMISSIVE && + if (opa_drslid != be32_to_cpu(OPA_LID_PERMISSIVE) && opa_drslid & 0xffff0000) { ret = -EINVAL; dev_err(&device->dev, "OPA Invalid dr_slid 0x%x\n", @@ -810,7 +811,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, } else { if ((ib_get_smp_direction(smp) ? smp->dr_dlid : smp->dr_slid) == IB_LID_PERMISSIVE && - smi_handle_dr_smp_send(smp, device->node_type, port_num) == + smi_handle_dr_smp_send(smp, rdma_cap_ib_switch(device), port_num) == IB_SMI_DISCARD) { ret = -EINVAL; dev_err(&device->dev, "Invalid directed route\n"); @@ -2030,7 +2031,7 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv struct ib_smp *smp = (struct ib_smp *)recv->mad; if (smi_handle_dr_smp_recv(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num, port_priv->device->phys_port_cnt) == IB_SMI_DISCARD) @@ -2042,13 +2043,13 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv if (retsmi == IB_SMI_SEND) { /* don't forward */ if (smi_handle_dr_smp_send(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num) == IB_SMI_DISCARD) return IB_SMI_DISCARD; if (smi_check_local_smp(smp, port_priv->device) == IB_SMI_DISCARD) return IB_SMI_DISCARD; - } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { + } else if (rdma_cap_ib_switch(port_priv->device)) { /* forward case for switches */ memcpy(response, recv, mad_priv_size(response)); response->header.recv_wc.wc = &response->header.wc; @@ -2115,7 +2116,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, struct opa_smp *smp = (struct opa_smp *)recv->mad; if (opa_smi_handle_dr_smp_recv(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num, port_priv->device->phys_port_cnt) == IB_SMI_DISCARD) @@ -2127,7 +2128,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, if (retsmi == IB_SMI_SEND) { /* don't forward */ if (opa_smi_handle_dr_smp_send(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num) == IB_SMI_DISCARD) return IB_SMI_DISCARD; @@ -2135,7 +2136,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, IB_SMI_DISCARD) return IB_SMI_DISCARD; - } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { + } else if (rdma_cap_ib_switch(port_priv->device)) { /* forward case for switches */ memcpy(response, recv, mad_priv_size(response)); response->header.recv_wc.wc = &response->header.wc; @@ -2235,7 +2236,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv, goto out; } - if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) + if (rdma_cap_ib_switch(port_priv->device)) port_num = wc->port_num; else port_num = port_priv->port_num; @@ -3297,17 +3298,11 @@ static int ib_mad_port_close(struct ib_device *device, int port_num) static void ib_mad_init_device(struct ib_device *device) { - int start, end, i; + int start, i; - if (device->node_type == RDMA_NODE_IB_SWITCH) { - start = 0; - end = 0; - } else { - start = 1; - end = device->phys_port_cnt; - } + start = rdma_start_port(device); - for (i = start; i <= end; i++) { + for (i = start; i <= rdma_end_port(device); i++) { if (!rdma_cap_ib_mad(device, i)) continue; @@ -3342,17 +3337,9 @@ error: static void ib_mad_remove_device(struct ib_device *device) { - int start, end, i; - - if (device->node_type == RDMA_NODE_IB_SWITCH) { - start = 0; - end = 0; - } else { - start = 1; - end = device->phys_port_cnt; - } + int i; - for (i = start; i <= end; i++) { + for (i = rdma_start_port(device); i <= rdma_end_port(device); i++) { if (!rdma_cap_ib_mad(device, i)) continue; diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index 1244f02..2cb865c 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -812,12 +812,8 @@ static void mcast_add_one(struct ib_device *device) if (!dev) return; - if (device->node_type == RDMA_NODE_IB_SWITCH) - dev->start_port = dev->end_port = 0; - else { - dev->start_port = 1; - dev->end_port = device->phys_port_cnt; - } + dev->start_port = rdma_start_port(device); + dev->end_port = rdma_end_port(device); for (i = 0; i <= dev->end_port - dev->start_port; i++) { if (!rdma_cap_ib_mcast(device, dev->start_port + i)) diff --git a/drivers/infiniband/core/opa_smi.h b/drivers/infiniband/core/opa_smi.h index 62d91bf..3bfab35 100644 --- a/drivers/infiniband/core/opa_smi.h +++ b/drivers/infiniband/core/opa_smi.h @@ -39,12 +39,12 @@ #include "smi.h" -enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type, +enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch, int port_num, int phys_port_cnt); int opa_smi_get_fwd_port(struct opa_smp *smp); extern enum smi_forward_action opa_smi_check_forward_dr_smp(struct opa_smp *smp); extern enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, - u8 node_type, int port_num); + bool is_switch, int port_num); /* * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 0fae850..ca919f4 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1156,12 +1156,8 @@ static void ib_sa_add_one(struct ib_device *device) int s, e, i; int count = 0; - if (device->node_type == RDMA_NODE_IB_SWITCH) - s = e = 0; - else { - s = 1; - e = device->phys_port_cnt; - } + s = rdma_start_port(device); + e = rdma_end_port(device); sa_dev = kzalloc(sizeof *sa_dev + (e - s + 1) * sizeof (struct ib_sa_port), diff --git a/drivers/infiniband/core/smi.c b/drivers/infiniband/core/smi.c index 368a561..f19b238 100644 --- a/drivers/infiniband/core/smi.c +++ b/drivers/infiniband/core/smi.c @@ -41,7 +41,7 @@ #include "smi.h" #include "opa_smi.h" -static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, +static enum smi_action __smi_handle_dr_smp_send(bool is_switch, int port_num, u8 *hop_ptr, u8 hop_cnt, const u8 *initial_path, const u8 *return_path, @@ -64,7 +64,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, /* C14-9:2 */ if (*hop_ptr && *hop_ptr < hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; /* return_path set when received */ @@ -77,7 +77,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, if (*hop_ptr == hop_cnt) { /* return_path set when received */ (*hop_ptr)++; - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_dlid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -96,7 +96,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, /* C14-13:2 */ if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; (*hop_ptr)--; @@ -108,7 +108,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, if (*hop_ptr == 1) { (*hop_ptr)--; /* C14-13:3 -- SMPs destined for SM shouldn't be here */ - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_slid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -127,9 +127,9 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, * Return IB_SMI_DISCARD if the SMP should be discarded */ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, - u8 node_type, int port_num) + bool is_switch, int port_num) { - return __smi_handle_dr_smp_send(node_type, port_num, + return __smi_handle_dr_smp_send(is_switch, port_num, &smp->hop_ptr, smp->hop_cnt, smp->initial_path, smp->return_path, @@ -139,9 +139,9 @@ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, } enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, - u8 node_type, int port_num) + bool is_switch, int port_num) { - return __smi_handle_dr_smp_send(node_type, port_num, + return __smi_handle_dr_smp_send(is_switch, port_num, &smp->hop_ptr, smp->hop_cnt, smp->route.dr.initial_path, smp->route.dr.return_path, @@ -152,7 +152,7 @@ enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, OPA_LID_PERMISSIVE); } -static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, +static enum smi_action __smi_handle_dr_smp_recv(bool is_switch, int port_num, int phys_port_cnt, u8 *hop_ptr, u8 hop_cnt, const u8 *initial_path, @@ -173,7 +173,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, /* C14-9:2 -- intermediate hop */ if (*hop_ptr && *hop_ptr < hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; return_path[*hop_ptr] = port_num; @@ -188,7 +188,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, return_path[*hop_ptr] = port_num; /* hop_ptr updated when sending */ - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_dlid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -208,7 +208,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, /* C14-13:2 */ if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; /* hop_ptr updated when sending */ @@ -224,8 +224,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, return IB_SMI_HANDLE; } /* hop_ptr updated when sending */ - return (node_type == RDMA_NODE_IB_SWITCH ? - IB_SMI_HANDLE : IB_SMI_DISCARD); + return (is_switch ? IB_SMI_HANDLE : IB_SMI_DISCARD); } /* C14-13:4 -- hop_ptr = 0 -> give to SM */ @@ -238,10 +237,10 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, * Adjust information for a received SMP * Return IB_SMI_DISCARD if the SMP should be dropped */ -enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, +enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch, int port_num, int phys_port_cnt) { - return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt, + return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt, &smp->hop_ptr, smp->hop_cnt, smp->initial_path, smp->return_path, @@ -254,10 +253,10 @@ enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, * Adjust information for a received SMP * Return IB_SMI_DISCARD if the SMP should be dropped */ -enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type, +enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch, int port_num, int phys_port_cnt) { - return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt, + return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt, &smp->hop_ptr, smp->hop_cnt, smp->route.dr.initial_path, smp->route.dr.return_path, diff --git a/drivers/infiniband/core/smi.h b/drivers/infiniband/core/smi.h index aff96ba..33c91c8 100644 --- a/drivers/infiniband/core/smi.h +++ b/drivers/infiniband/core/smi.h @@ -51,12 +51,12 @@ enum smi_forward_action { IB_SMI_FORWARD /* SMP should be forwarded (for switches only) */ }; -enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, +enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch, int port_num, int phys_port_cnt); int smi_get_fwd_port(struct ib_smp *smp); extern enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp); extern enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, - u8 node_type, int port_num); + bool is_switch, int port_num); /* * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index ed6b6c8..0b84a9c 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -870,7 +870,7 @@ int ib_device_register_sysfs(struct ib_device *device, goto err_put; } - if (device->node_type == RDMA_NODE_IB_SWITCH) { + if (rdma_cap_ib_switch(device)) { ret = add_port(device, 0, port_callback); if (ret) goto err_put; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 62c24b1..0094810 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -1193,6 +1193,7 @@ static int ib_ucm_close(struct inode *inode, struct file *filp) return 0; } +static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES); static void ib_ucm_release_dev(struct device *dev) { struct ib_ucm_device *ucm_dev; @@ -1202,7 +1203,7 @@ static void ib_ucm_release_dev(struct device *dev) if (ucm_dev->devnum < IB_UCM_MAX_DEVICES) clear_bit(ucm_dev->devnum, dev_map); else - clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, dev_map); + clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, overflow_map); kfree(ucm_dev); } @@ -1226,7 +1227,6 @@ static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); static dev_t overflow_maj; -static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES); static int find_overflow_devnum(void) { int ret; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index ad45469..29b2121 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1354,10 +1354,10 @@ static void ucma_lock_files(struct ucma_file *file1, struct ucma_file *file2) /* Acquire mutex's based on pointer comparison to prevent deadlock. */ if (file1 < file2) { mutex_lock(&file1->mut); - mutex_lock(&file2->mut); + mutex_lock_nested(&file2->mut, SINGLE_DEPTH_NESTING); } else { mutex_lock(&file2->mut); - mutex_lock(&file1->mut); + mutex_lock_nested(&file1->mut, SINGLE_DEPTH_NESTING); } } @@ -1616,6 +1616,7 @@ static void __exit ucma_cleanup(void) device_remove_file(ucma_misc.this_device, &dev_attr_abi_version); misc_deregister(&ucma_misc); idr_destroy(&ctx_idr); + idr_destroy(&multicast_idr); } module_init(ucma_init); diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/infiniband/hw/ehca/ehca_sqp.c index 12b5bc2..376b031 100644 --- a/drivers/infiniband/hw/ehca/ehca_sqp.c +++ b/drivers/infiniband/hw/ehca/ehca_sqp.c @@ -226,8 +226,9 @@ int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc) return IB_MAD_RESULT_FAILURE; diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index 948188e..ad3a926 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -1499,8 +1499,9 @@ int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 48253b8..30ba49c 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -2044,9 +2044,9 @@ int ipath_register_ib_device(struct ipath_devdata *dd) spin_lock_init(&idev->qp_table.lock); spin_lock_init(&idev->lk_table.lock); - idev->sm_lid = __constant_be16_to_cpu(IB_LID_PERMISSIVE); + idev->sm_lid = be16_to_cpu(IB_LID_PERMISSIVE); /* Set the prefix to the default value (see ch. 4.1.1) */ - idev->gid_prefix = __constant_cpu_to_be64(0xfe80000000000000ULL); + idev->gid_prefix = cpu_to_be64(0xfe80000000000000ULL); ret = ipath_init_qp_table(idev, ib_ipath_qp_table_size); if (ret) diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 85a50df..68b3dfa 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -860,21 +860,31 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, struct mlx4_ib_dev *dev = to_mdev(ibdev); const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; + enum rdma_link_layer link = rdma_port_get_link_layer(ibdev, port_num); - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; - switch (rdma_port_get_link_layer(ibdev, port_num)) { - case IB_LINK_LAYER_INFINIBAND: - if (!mlx4_is_slave(dev->dev)) - return ib_process_mad(ibdev, mad_flags, port_num, in_wc, - in_grh, in_mad, out_mad); - case IB_LINK_LAYER_ETHERNET: - return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, - in_grh, in_mad, out_mad); - default: - return -EINVAL; + /* iboe_process_mad() which uses the HCA flow-counters to implement IB PMA + * queries, should be called only by VFs and for that specific purpose + */ + if (link == IB_LINK_LAYER_INFINIBAND) { + if (mlx4_is_slave(dev->dev) && + in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT && + in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS) + return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); + + return ib_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); } + + if (link == IB_LINK_LAYER_ETHERNET) + return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); + + return -EINVAL; } static void send_handler(struct ib_mad_agent *agent, diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 067a691..8be6db8 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -253,14 +253,15 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL; props->timestamp_mask = 0xFFFFFFFFFFFFULL; - err = mlx4_get_internal_clock_params(dev->dev, &clock_params); - if (err) - goto out; + if (!mlx4_is_slave(dev->dev)) + err = mlx4_get_internal_clock_params(dev->dev, &clock_params); if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) { - resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; resp.response_length += sizeof(resp.hca_core_clock_offset); - resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; + if (!err && !mlx4_is_slave(dev->dev)) { + resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; + resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; + } } if (uhw->outlen) { @@ -2669,31 +2670,33 @@ static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC); if (!dm) { pr_err("failed to allocate memory for tunneling qp update\n"); - goto out; + return; } for (i = 0; i < ports; i++) { dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); if (!dm[i]) { pr_err("failed to allocate memory for tunneling qp update work struct\n"); - for (i = 0; i < dev->caps.num_ports; i++) { - if (dm[i]) - kfree(dm[i]); - } + while (--i >= 0) + kfree(dm[i]); goto out; } - } - /* initialize or tear down tunnel QPs for the slave */ - for (i = 0; i < ports; i++) { INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); dm[i]->port = first_port + i + 1; dm[i]->slave = slave; dm[i]->do_init = do_init; dm[i]->dev = ibdev; - spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); - if (!ibdev->sriov.is_going_down) + } + /* initialize or tear down tunnel QPs for the slave */ + spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); + if (!ibdev->sriov.is_going_down) { + for (i = 0; i < ports; i++) queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); + } else { + spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); + for (i = 0; i < ports; i++) + kfree(dm[i]); } out: kfree(dm); diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c index 01fc97d..b84d13a 100644 --- a/drivers/infiniband/hw/mlx5/mad.c +++ b/drivers/infiniband/hw/mlx5/mad.c @@ -68,8 +68,9 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE); diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index 6b2418b..7c3f2fb 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -209,8 +209,9 @@ int mthca_process_mad(struct ib_device *ibdev, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; /* Forward locally generated traps to the SM */ if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 9047af4..8a3ad17 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1520,8 +1520,9 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi int rc = arpindex; struct net_device *netdev; struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter; + __be32 dst_ipaddr = htonl(dst_ip); - rt = ip_route_output(&init_net, htonl(dst_ip), 0, 0, 0); + rt = ip_route_output(&init_net, dst_ipaddr, nesvnic->local_ipaddr, 0, 0); if (IS_ERR(rt)) { printk(KERN_ERR "%s: ip_route_output_key failed for 0x%08X\n", __func__, dst_ip); @@ -1533,7 +1534,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi else netdev = nesvnic->netdev; - neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, netdev); + neigh = dst_neigh_lookup(&rt->dst, &dst_ipaddr); rcu_read_lock(); if (neigh) { diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 02120d3..4713dd7 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -3861,7 +3861,7 @@ void nes_manage_arp_cache(struct net_device *netdev, unsigned char *mac_addr, (((u32)mac_addr[2]) << 24) | (((u32)mac_addr[3]) << 16) | (((u32)mac_addr[4]) << 8) | (u32)mac_addr[5]); cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = cpu_to_le32( - (((u32)mac_addr[0]) << 16) | (u32)mac_addr[1]); + (((u32)mac_addr[0]) << 8) | (u32)mac_addr[1]); } else { cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_ADDR_LOW_IDX] = 0; cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = 0; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index 4bafa15..29b2767 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -215,8 +215,9 @@ int ocrdma_process_mad(struct ib_device *ibdev, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_PERF_MGMT: diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 8a1398b..d98a707 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -696,6 +696,7 @@ static void __exit ocrdma_exit_module(void) ocrdma_unregister_inet6addr_notifier(); ocrdma_unregister_inetaddr_notifier(); ocrdma_rem_debugfs(); + idr_destroy(&ocrdma_dev_id); } module_init(ocrdma_init_module); diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 05e3242..9625e7c 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -2412,8 +2412,9 @@ int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index bd94b0a..79859c4 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -239,7 +239,7 @@ struct ipoib_cm_tx { struct net_device *dev; struct ipoib_neigh *neigh; struct ipoib_path *path; - struct ipoib_cm_tx_buf *tx_ring; + struct ipoib_tx_buf *tx_ring; unsigned tx_head; unsigned tx_tail; unsigned long flags; @@ -504,6 +504,33 @@ int ipoib_mcast_stop_thread(struct net_device *dev); void ipoib_mcast_dev_down(struct net_device *dev); void ipoib_mcast_dev_flush(struct net_device *dev); +int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); +void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req); + +static inline void ipoib_build_sge(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req) +{ + int i, off; + struct sk_buff *skb = tx_req->skb; + skb_frag_t *frags = skb_shinfo(skb)->frags; + int nr_frags = skb_shinfo(skb)->nr_frags; + u64 *mapping = tx_req->mapping; + + if (skb_headlen(skb)) { + priv->tx_sge[0].addr = mapping[0]; + priv->tx_sge[0].length = skb_headlen(skb); + off = 1; + } else + off = 0; + + for (i = 0; i < nr_frags; ++i) { + priv->tx_sge[i + off].addr = mapping[i + off]; + priv->tx_sge[i + off].length = skb_frag_size(&frags[i]); + } + priv->tx_wr.num_sge = nr_frags + off; +} + #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index cf32a778..ee39be6 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -694,14 +694,12 @@ repost: static inline int post_send(struct ipoib_dev_priv *priv, struct ipoib_cm_tx *tx, unsigned int wr_id, - u64 addr, int len) + struct ipoib_tx_buf *tx_req) { struct ib_send_wr *bad_wr; - priv->tx_sge[0].addr = addr; - priv->tx_sge[0].length = len; + ipoib_build_sge(priv, tx_req); - priv->tx_wr.num_sge = 1; priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM; return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr); @@ -710,8 +708,7 @@ static inline int post_send(struct ipoib_dev_priv *priv, void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) { struct ipoib_dev_priv *priv = netdev_priv(dev); - struct ipoib_cm_tx_buf *tx_req; - u64 addr; + struct ipoib_tx_buf *tx_req; int rc; if (unlikely(skb->len > tx->mtu)) { @@ -735,24 +732,21 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ */ tx_req = &tx->tx_ring[tx->tx_head & (ipoib_sendq_size - 1)]; tx_req->skb = skb; - addr = ib_dma_map_single(priv->ca, skb->data, skb->len, DMA_TO_DEVICE); - if (unlikely(ib_dma_mapping_error(priv->ca, addr))) { + + if (unlikely(ipoib_dma_map_tx(priv->ca, tx_req))) { ++dev->stats.tx_errors; dev_kfree_skb_any(skb); return; } - tx_req->mapping = addr; - skb_orphan(skb); skb_dst_drop(skb); - rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), - addr, skb->len); + rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), tx_req); if (unlikely(rc)) { ipoib_warn(priv, "post_send failed, error %d\n", rc); ++dev->stats.tx_errors; - ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(skb); } else { dev->trans_start = jiffies; @@ -777,7 +771,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_cm_tx *tx = wc->qp->qp_context; unsigned int wr_id = wc->wr_id & ~IPOIB_OP_CM; - struct ipoib_cm_tx_buf *tx_req; + struct ipoib_tx_buf *tx_req; unsigned long flags; ipoib_dbg_data(priv, "cm send completion: id %d, status: %d\n", @@ -791,7 +785,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) tx_req = &tx->tx_ring[wr_id]; - ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); /* FIXME: is this right? Shouldn't we only increment on success? */ ++dev->stats.tx_packets; @@ -1036,6 +1030,9 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ struct ib_qp *tx_qp; + if (dev->features & NETIF_F_SG) + attr.cap.max_send_sge = MAX_SKB_FRAGS + 1; + tx_qp = ib_create_qp(priv->pd, &attr); if (PTR_ERR(tx_qp) == -EINVAL) { ipoib_warn(priv, "can't use GFP_NOIO for QPs on device %s, using GFP_KERNEL\n", @@ -1170,7 +1167,7 @@ err_tx: static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p) { struct ipoib_dev_priv *priv = netdev_priv(p->dev); - struct ipoib_cm_tx_buf *tx_req; + struct ipoib_tx_buf *tx_req; unsigned long begin; ipoib_dbg(priv, "Destroy active connection 0x%x head 0x%x tail 0x%x\n", @@ -1197,8 +1194,7 @@ timeout: while ((int) p->tx_tail - (int) p->tx_head < 0) { tx_req = &p->tx_ring[p->tx_tail & (ipoib_sendq_size - 1)]; - ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, - DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(tx_req->skb); ++p->tx_tail; netif_tx_lock_bh(p->dev); @@ -1455,7 +1451,6 @@ static void ipoib_cm_stale_task(struct work_struct *work) spin_unlock_irq(&priv->lock); } - static ssize_t show_mode(struct device *d, struct device_attribute *attr, char *buf) { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 63b92cb..d266667 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -263,8 +263,7 @@ repost: "for buf %d\n", wr_id); } -static int ipoib_dma_map_tx(struct ib_device *ca, - struct ipoib_tx_buf *tx_req) +int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req) { struct sk_buff *skb = tx_req->skb; u64 *mapping = tx_req->mapping; @@ -305,8 +304,8 @@ partial_error: return -EIO; } -static void ipoib_dma_unmap_tx(struct ib_device *ca, - struct ipoib_tx_buf *tx_req) +void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req) { struct sk_buff *skb = tx_req->skb; u64 *mapping = tx_req->mapping; @@ -314,7 +313,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca, int off; if (skb_headlen(skb)) { - ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE); + ib_dma_unmap_single(priv->ca, mapping[0], skb_headlen(skb), + DMA_TO_DEVICE); off = 1; } else off = 0; @@ -322,8 +322,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca, for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - ib_dma_unmap_page(ca, mapping[i + off], skb_frag_size(frag), - DMA_TO_DEVICE); + ib_dma_unmap_page(priv->ca, mapping[i + off], + skb_frag_size(frag), DMA_TO_DEVICE); } } @@ -389,7 +389,7 @@ static void ipoib_ib_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) tx_req = &priv->tx_ring[wr_id]; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); ++dev->stats.tx_packets; dev->stats.tx_bytes += tx_req->skb->len; @@ -514,24 +514,10 @@ static inline int post_send(struct ipoib_dev_priv *priv, void *head, int hlen) { struct ib_send_wr *bad_wr; - int i, off; struct sk_buff *skb = tx_req->skb; - skb_frag_t *frags = skb_shinfo(skb)->frags; - int nr_frags = skb_shinfo(skb)->nr_frags; - u64 *mapping = tx_req->mapping; - if (skb_headlen(skb)) { - priv->tx_sge[0].addr = mapping[0]; - priv->tx_sge[0].length = skb_headlen(skb); - off = 1; - } else - off = 0; + ipoib_build_sge(priv, tx_req); - for (i = 0; i < nr_frags; ++i) { - priv->tx_sge[i + off].addr = mapping[i + off]; - priv->tx_sge[i + off].length = skb_frag_size(&frags[i]); - } - priv->tx_wr.num_sge = nr_frags + off; priv->tx_wr.wr_id = wr_id; priv->tx_wr.wr.ud.remote_qpn = qpn; priv->tx_wr.wr.ud.ah = address; @@ -617,7 +603,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, ipoib_warn(priv, "post_send failed, error %d\n", rc); ++dev->stats.tx_errors; --priv->tx_outstanding; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(skb); if (netif_queue_stopped(dev)) netif_wake_queue(dev); @@ -868,7 +854,7 @@ int ipoib_ib_dev_stop(struct net_device *dev) while ((int) priv->tx_tail - (int) priv->tx_head < 0) { tx_req = &priv->tx_ring[priv->tx_tail & (ipoib_sendq_size - 1)]; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(tx_req->skb); ++priv->tx_tail; --priv->tx_outstanding; @@ -985,20 +971,21 @@ static inline int update_child_pkey(struct ipoib_dev_priv *priv) } static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, - enum ipoib_flush_level level) + enum ipoib_flush_level level, + int nesting) { struct ipoib_dev_priv *cpriv; struct net_device *dev = priv->dev; int result; - down_read(&priv->vlan_rwsem); + down_read_nested(&priv->vlan_rwsem, nesting); /* * Flush any child interfaces too -- they might be up even if * the parent is down. */ list_for_each_entry(cpriv, &priv->child_intfs, list) - __ipoib_ib_dev_flush(cpriv, level); + __ipoib_ib_dev_flush(cpriv, level, nesting + 1); up_read(&priv->vlan_rwsem); @@ -1076,7 +1063,7 @@ void ipoib_ib_dev_flush_light(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_light); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT, 0); } void ipoib_ib_dev_flush_normal(struct work_struct *work) @@ -1084,7 +1071,7 @@ void ipoib_ib_dev_flush_normal(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_normal); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL, 0); } void ipoib_ib_dev_flush_heavy(struct work_struct *work) @@ -1092,7 +1079,7 @@ void ipoib_ib_dev_flush_heavy(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_heavy); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY, 0); } void ipoib_ib_dev_cleanup(struct net_device *dev) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index da149c2..b2943c8 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -190,7 +190,7 @@ static netdev_features_t ipoib_fix_features(struct net_device *dev, netdev_featu struct ipoib_dev_priv *priv = netdev_priv(dev); if (test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags)) - features &= ~(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); + features &= ~(NETIF_F_IP_CSUM | NETIF_F_TSO); return features; } @@ -232,6 +232,7 @@ int ipoib_set_mode(struct net_device *dev, const char *buf) ipoib_warn(priv, "enabling connected mode " "will cause multicast packet drops\n"); netdev_update_features(dev); + dev_set_mtu(dev, ipoib_cm_max_mtu(dev)); rtnl_unlock(); priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM; @@ -1577,7 +1578,8 @@ static struct net_device *ipoib_add_port(const char *format, SET_NETDEV_DEV(priv->dev, hca->dma_device); priv->dev->dev_id = port - 1; - if (!ib_query_port(hca, port, &attr)) + result = ib_query_port(hca, port, &attr); + if (!result) priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); else { printk(KERN_WARNING "%s: ib_query_port %d failed\n", @@ -1598,7 +1600,8 @@ static struct net_device *ipoib_add_port(const char *format, goto device_init_failed; } - if (ipoib_set_dev_features(priv, hca)) + result = ipoib_set_dev_features(priv, hca); + if (result) goto device_init_failed; /* @@ -1684,7 +1687,7 @@ static void ipoib_add_one(struct ib_device *device) struct list_head *dev_list; struct net_device *dev; struct ipoib_dev_priv *priv; - int s, e, p; + int p; int count = 0; dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL); @@ -1693,15 +1696,7 @@ static void ipoib_add_one(struct ib_device *device) INIT_LIST_HEAD(dev_list); - if (device->node_type == RDMA_NODE_IB_SWITCH) { - s = 0; - e = 0; - } else { - s = 1; - e = device->phys_port_cnt; - } - - for (p = s; p <= e; ++p) { + for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) { if (!rdma_protocol_ib(device, p)) continue; dev = ipoib_add_port("ib%d", device, p); diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 267dc4f..31a20b4 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -161,13 +161,10 @@ static int srp_tmo_set(const char *val, const struct kernel_param *kp) { int tmo, res; - if (strncmp(val, "off", 3) != 0) { - res = kstrtoint(val, 0, &tmo); - if (res) - goto out; - } else { - tmo = -1; - } + res = srp_parse_tmo(&tmo, val); + if (res) + goto out; + if (kp->arg == &srp_reconnect_delay) res = srp_tmo_valid(tmo, srp_fast_io_fail_tmo, srp_dev_loss_tmo); @@ -3379,7 +3376,7 @@ static void srp_add_one(struct ib_device *device) struct srp_device *srp_dev; struct ib_device_attr *dev_attr; struct srp_host *host; - int mr_page_shift, s, e, p; + int mr_page_shift, p; u64 max_pages_per_mr; dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL); @@ -3443,15 +3440,7 @@ static void srp_add_one(struct ib_device *device) if (IS_ERR(srp_dev->mr)) goto err_pd; - if (device->node_type == RDMA_NODE_IB_SWITCH) { - s = 0; - e = 0; - } else { - s = 1; - e = device->phys_port_cnt; - } - - for (p = s; p <= e; ++p) { + for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) { host = srp_add_port(srp_dev, p); if (host) list_add_tail(&host->list, &srp_dev->dev_list); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 82897ca..60ff0a2 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -302,7 +302,7 @@ static void srpt_get_iou(struct ib_dm_mad *mad) int i; ioui = (struct ib_dm_iou_info *)mad->data; - ioui->change_id = __constant_cpu_to_be16(1); + ioui->change_id = cpu_to_be16(1); ioui->max_controllers = 16; /* set present for slot 1 and empty for the rest */ @@ -330,13 +330,13 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot, if (!slot || slot > 16) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); + = cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); return; } if (slot > 2) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC); + = cpu_to_be16(DM_MAD_STATUS_NO_IOC); return; } @@ -348,10 +348,10 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot, iocp->device_version = cpu_to_be16(sdev->dev_attr.hw_ver); iocp->subsys_vendor_id = cpu_to_be32(sdev->dev_attr.vendor_id); iocp->subsys_device_id = 0x0; - iocp->io_class = __constant_cpu_to_be16(SRP_REV16A_IB_IO_CLASS); - iocp->io_subclass = __constant_cpu_to_be16(SRP_IO_SUBCLASS); - iocp->protocol = __constant_cpu_to_be16(SRP_PROTOCOL); - iocp->protocol_version = __constant_cpu_to_be16(SRP_PROTOCOL_VERSION); + iocp->io_class = cpu_to_be16(SRP_REV16A_IB_IO_CLASS); + iocp->io_subclass = cpu_to_be16(SRP_IO_SUBCLASS); + iocp->protocol = cpu_to_be16(SRP_PROTOCOL); + iocp->protocol_version = cpu_to_be16(SRP_PROTOCOL_VERSION); iocp->send_queue_depth = cpu_to_be16(sdev->srq_size); iocp->rdma_read_depth = 4; iocp->send_size = cpu_to_be32(srp_max_req_size); @@ -379,13 +379,13 @@ static void srpt_get_svc_entries(u64 ioc_guid, if (!slot || slot > 16) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); + = cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); return; } if (slot > 2 || lo > hi || hi > 1) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC); + = cpu_to_be16(DM_MAD_STATUS_NO_IOC); return; } @@ -436,7 +436,7 @@ static void srpt_mgmt_method_get(struct srpt_port *sp, struct ib_mad *rq_mad, break; default: rsp_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); break; } } @@ -493,11 +493,11 @@ static void srpt_mad_recv_handler(struct ib_mad_agent *mad_agent, break; case IB_MGMT_METHOD_SET: dm_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); break; default: dm_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD); break; } @@ -1535,7 +1535,7 @@ static int srpt_build_cmd_rsp(struct srpt_rdma_ch *ch, memset(srp_rsp, 0, sizeof *srp_rsp); srp_rsp->opcode = SRP_RSP; srp_rsp->req_lim_delta = - __constant_cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); + cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; srp_rsp->status = status; @@ -1585,8 +1585,8 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, memset(srp_rsp, 0, sizeof *srp_rsp); srp_rsp->opcode = SRP_RSP; - srp_rsp->req_lim_delta = __constant_cpu_to_be32(1 - + atomic_xchg(&ch->req_lim_delta, 0)); + srp_rsp->req_lim_delta = + cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; @@ -1630,7 +1630,7 @@ static uint64_t srpt_unpack_lun(const uint8_t *lun, int len) switch (len) { case 8: if ((*((__be64 *)lun) & - __constant_cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0) + cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0) goto out_err; break; case 4: @@ -2449,8 +2449,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } if (it_iu_len > srp_max_req_size || it_iu_len < 64) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE); ret = -EINVAL; pr_err("rejected SRP_LOGIN_REQ because its" " length (%d bytes) is out of range (%d .. %d)\n", @@ -2459,8 +2459,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } if (!sport->enabled) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); ret = -EINVAL; pr_err("rejected SRP_LOGIN_REQ because the target port" " has not yet been enabled\n"); @@ -2505,8 +2505,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (*(__be64 *)req->target_port_id != cpu_to_be64(srpt_service_guid) || *(__be64 *)(req->target_port_id + 8) != cpu_to_be64(srpt_service_guid)) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL); ret = -ENOMEM; pr_err("rejected SRP_LOGIN_REQ because it" " has an invalid target port identifier.\n"); @@ -2515,8 +2515,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ch = kzalloc(sizeof *ch, GFP_KERNEL); if (!ch) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because no memory.\n"); ret = -ENOMEM; goto reject; @@ -2552,8 +2552,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ret = srpt_create_ch_ib(ch); if (ret) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because creating" " a new RDMA channel failed.\n"); goto free_ring; @@ -2561,8 +2561,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ret = srpt_ch_qp_rtr(ch, ch->qp); if (ret) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32(SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because enabling" " RTR failed (error code = %d)\n", ret); goto destroy_ib; @@ -2580,15 +2579,15 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (!nacl) { pr_info("Rejected login because no ACL has been" " configured yet for initiator %s.\n", ch->sess_name); - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED); goto destroy_ib; } ch->sess = transport_init_session(TARGET_PROT_NORMAL); if (IS_ERR(ch->sess)) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_debug("Failed to create session\n"); goto deregister_session; } @@ -2604,8 +2603,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, rsp->max_it_iu_len = req->req_it_iu_len; rsp->max_ti_iu_len = req->req_it_iu_len; ch->max_ti_iu_len = it_iu_len; - rsp->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT - | SRP_BUF_FORMAT_INDIRECT); + rsp->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT + | SRP_BUF_FORMAT_INDIRECT); rsp->req_lim_delta = cpu_to_be32(ch->rq_size); atomic_set(&ch->req_lim, ch->rq_size); atomic_set(&ch->req_lim_delta, 0); @@ -2655,8 +2654,8 @@ free_ch: reject: rej->opcode = SRP_LOGIN_REJ; rej->tag = req->tag; - rej->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT - | SRP_BUF_FORMAT_INDIRECT); + rej->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT + | SRP_BUF_FORMAT_INDIRECT); ib_send_cm_rej(cm_id, IB_CM_REJ_CONSUMER_DEFINED, NULL, 0, (void *)rej, sizeof *rej); diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index a08e3ee..79a6d63 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -320,7 +320,6 @@ static inline void closure_wake_up(struct closure_waitlist *list) do { \ set_closure_fn(_cl, _fn, _wq); \ closure_sub(_cl, CLOSURE_RUNNING + 1); \ - return; \ } while (0) /** @@ -349,7 +348,6 @@ do { \ do { \ set_closure_fn(_cl, _fn, _wq); \ closure_queue(_cl); \ - return; \ } while (0) /** @@ -365,7 +363,6 @@ do { \ do { \ set_closure_fn(_cl, _destructor, NULL); \ closure_sub(_cl, CLOSURE_RUNNING - CLOSURE_DESTRUCTOR + 1); \ - return; \ } while (0) /** diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index cb64e64a..bf6a9ca 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -105,6 +105,7 @@ void bch_generic_make_request(struct bio *bio, struct bio_split_pool *p) } while (n != bio); continue_at(&s->cl, bch_bio_submit_split_done, NULL); + return; submit: generic_make_request(bio); } diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index ce64fc8..418607a 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -592,12 +592,14 @@ static void journal_write_unlocked(struct closure *cl) if (!w->need_write) { closure_return_with_destructor(cl, journal_write_unlock); + return; } else if (journal_full(&c->journal)) { journal_reclaim(c); spin_unlock(&c->journal.lock); btree_flush_write(c); continue_at(cl, journal_write, system_wq); + return; } c->journal.blocks_free -= set_blocks(w->data, block_bytes(c)); diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 4afb2d2..f292790 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -88,8 +88,10 @@ static void bch_data_insert_keys(struct closure *cl) if (journal_ref) atomic_dec_bug(journal_ref); - if (!op->insert_data_done) + if (!op->insert_data_done) { continue_at(cl, bch_data_insert_start, op->wq); + return; + } bch_keylist_free(&op->insert_keys); closure_return(cl); @@ -216,8 +218,10 @@ static void bch_data_insert_start(struct closure *cl) /* 1 for the device pointer and 1 for the chksum */ if (bch_keylist_realloc(&op->insert_keys, 3 + (op->csum ? 1 : 0), - op->c)) + op->c)) { continue_at(cl, bch_data_insert_keys, op->wq); + return; + } k = op->insert_keys.top; bkey_init(k); @@ -255,6 +259,7 @@ static void bch_data_insert_start(struct closure *cl) op->insert_data_done = true; continue_at(cl, bch_data_insert_keys, op->wq); + return; err: /* bch_alloc_sectors() blocks if s->writeback = true */ BUG_ON(op->writeback); @@ -576,8 +581,10 @@ static void cache_lookup(struct closure *cl) ret = bch_btree_map_keys(&s->op, s->iop.c, &KEY(s->iop.inode, bio->bi_iter.bi_sector, 0), cache_lookup_fn, MAP_END_KEY); - if (ret == -EAGAIN) + if (ret == -EAGAIN) { continue_at(cl, cache_lookup, bcache_wq); + return; + } closure_return(cl); } @@ -1085,6 +1092,7 @@ static void flash_dev_make_request(struct request_queue *q, struct bio *bio) continue_at_nobarrier(&s->cl, flash_dev_nodata, bcache_wq); + return; } else if (rw) { bch_keybuf_check_overlapping(&s->iop.c->moving_gc_keys, &KEY(d->id, bio->bi_iter.bi_sector, 0), diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 19eb990..317a494 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -689,40 +689,57 @@ out: } -static bool bond_should_change_active(struct bonding *bond) +static struct slave *bond_choose_primary_or_current(struct bonding *bond) { struct slave *prim = rtnl_dereference(bond->primary_slave); struct slave *curr = rtnl_dereference(bond->curr_active_slave); - if (!prim || !curr || curr->link != BOND_LINK_UP) - return true; + if (!prim || prim->link != BOND_LINK_UP) { + if (!curr || curr->link != BOND_LINK_UP) + return NULL; + return curr; + } + if (bond->force_primary) { bond->force_primary = false; - return true; + return prim; + } + + if (!curr || curr->link != BOND_LINK_UP) + return prim; + + /* At this point, prim and curr are both up */ + switch (bond->params.primary_reselect) { + case BOND_PRI_RESELECT_ALWAYS: + return prim; + case BOND_PRI_RESELECT_BETTER: + if (prim->speed < curr->speed) + return curr; + if (prim->speed == curr->speed && prim->duplex <= curr->duplex) + return curr; + return prim; + case BOND_PRI_RESELECT_FAILURE: + return curr; + default: + netdev_err(bond->dev, "impossible primary_reselect %d\n", + bond->params.primary_reselect); + return curr; } - if (bond->params.primary_reselect == BOND_PRI_RESELECT_BETTER && - (prim->speed < curr->speed || - (prim->speed == curr->speed && prim->duplex <= curr->duplex))) - return false; - if (bond->params.primary_reselect == BOND_PRI_RESELECT_FAILURE) - return false; - return true; } /** - * find_best_interface - select the best available slave to be the active one + * bond_find_best_slave - select the best available slave to be the active one * @bond: our bonding struct */ static struct slave *bond_find_best_slave(struct bonding *bond) { - struct slave *slave, *bestslave = NULL, *primary; + struct slave *slave, *bestslave = NULL; struct list_head *iter; int mintime = bond->params.updelay; - primary = rtnl_dereference(bond->primary_slave); - if (primary && primary->link == BOND_LINK_UP && - bond_should_change_active(bond)) - return primary; + slave = bond_choose_primary_or_current(bond); + if (slave) + return slave; bond_for_each_slave(bond, slave, iter) { if (slave->link == BOND_LINK_UP) diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 041525d..5d214d1 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -592,6 +592,7 @@ static int c_can_start(struct net_device *dev) { struct c_can_priv *priv = netdev_priv(dev); int err; + struct pinctrl *p; /* basic c_can configuration */ err = c_can_chip_config(dev); @@ -604,8 +605,13 @@ static int c_can_start(struct net_device *dev) priv->can.state = CAN_STATE_ERROR_ACTIVE; - /* activate pins */ - pinctrl_pm_select_default_state(dev->dev.parent); + /* Attempt to use "active" if available else use "default" */ + p = pinctrl_get_select(priv->device, "active"); + if (!IS_ERR(p)) + pinctrl_put(p); + else + pinctrl_pm_select_default_state(priv->device); + return 0; } diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index e9b1810..aede704 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -440,9 +440,6 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx) struct can_frame *cf = (struct can_frame *)skb->data; u8 dlc = cf->can_dlc; - if (!(skb->tstamp.tv64)) - __net_timestamp(skb); - netif_rx(priv->echo_skb[idx]); priv->echo_skb[idx] = NULL; @@ -578,7 +575,6 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) if (unlikely(!skb)) return NULL; - __net_timestamp(skb); skb->protocol = htons(ETH_P_CAN); skb->pkt_type = PACKET_BROADCAST; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -589,6 +585,7 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; *cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame)); memset(*cf, 0, sizeof(struct can_frame)); @@ -607,7 +604,6 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev, if (unlikely(!skb)) return NULL; - __net_timestamp(skb); skb->protocol = htons(ETH_P_CANFD); skb->pkt_type = PACKET_BROADCAST; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -618,6 +614,7 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev, can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; *cfd = (struct canfd_frame *)skb_put(skb, sizeof(struct canfd_frame)); memset(*cfd, 0, sizeof(struct canfd_frame)); diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c index 7deb80d..7bd5419 100644 --- a/drivers/net/can/rcar_can.c +++ b/drivers/net/can/rcar_can.c @@ -508,7 +508,8 @@ static int rcar_can_open(struct net_device *ndev) err = clk_prepare_enable(priv->clk); if (err) { - netdev_err(ndev, "failed to enable periperal clock, error %d\n", + netdev_err(ndev, + "failed to enable peripheral clock, error %d\n", err); goto out; } @@ -526,7 +527,8 @@ static int rcar_can_open(struct net_device *ndev) napi_enable(&priv->napi); err = request_irq(ndev->irq, rcar_can_interrupt, 0, ndev->name, ndev); if (err) { - netdev_err(ndev, "error requesting interrupt %x\n", ndev->irq); + netdev_err(ndev, "request_irq(%d) failed, error %d\n", + ndev->irq, err); goto out_close; } can_led_event(ndev, CAN_LED_EVENT_OPEN); @@ -758,8 +760,9 @@ static int rcar_can_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); - if (!irq) { + if (irq < 0) { dev_err(&pdev->dev, "No IRQ resource\n"); + err = irq; goto fail; } @@ -782,7 +785,8 @@ static int rcar_can_probe(struct platform_device *pdev) priv->clk = devm_clk_get(&pdev->dev, "clkp1"); if (IS_ERR(priv->clk)) { err = PTR_ERR(priv->clk); - dev_err(&pdev->dev, "cannot get peripheral clock: %d\n", err); + dev_err(&pdev->dev, "cannot get peripheral clock, error %d\n", + err); goto fail_clk; } @@ -794,7 +798,7 @@ static int rcar_can_probe(struct platform_device *pdev) priv->can_clk = devm_clk_get(&pdev->dev, clock_names[clock_select]); if (IS_ERR(priv->can_clk)) { err = PTR_ERR(priv->can_clk); - dev_err(&pdev->dev, "cannot get CAN clock: %d\n", err); + dev_err(&pdev->dev, "cannot get CAN clock, error %d\n", err); goto fail_clk; } @@ -823,7 +827,7 @@ static int rcar_can_probe(struct platform_device *pdev) devm_can_led_init(ndev); - dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%u)\n", + dev_info(&pdev->dev, "device registered (regs @ %p, IRQ%d)\n", priv->regs, ndev->irq); return 0; diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index f64f529..a23a7af 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -207,7 +207,6 @@ static void slc_bump(struct slcan *sl) if (!skb) return; - __net_timestamp(skb); skb->dev = sl->dev; skb->protocol = htons(ETH_P_CAN); skb->pkt_type = PACKET_BROADCAST; @@ -215,6 +214,7 @@ static void slc_bump(struct slcan *sl) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = sl->dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; memcpy(skb_put(skb, sizeof(struct can_frame)), &cf, sizeof(struct can_frame)); diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index 0ce868d..674f367 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -78,9 +78,6 @@ static void vcan_rx(struct sk_buff *skb, struct net_device *dev) skb->dev = dev; skb->ip_summed = CHECKSUM_UNNECESSARY; - if (!(skb->tstamp.tv64)) - __net_timestamp(skb); - netif_rx_ni(skb); } diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 41095eb..2d1ce3c 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -2382,6 +2382,7 @@ boomerang_interrupt(int irq, void *dev_id) void __iomem *ioaddr; int status; int work_done = max_interrupt_work; + int handled = 0; ioaddr = vp->ioaddr; @@ -2400,6 +2401,7 @@ boomerang_interrupt(int irq, void *dev_id) if ((status & IntLatch) == 0) goto handler_exit; /* No interrupt: shared IRQs can cause this */ + handled = 1; if (status == 0xffff) { /* h/w no longer present (hotplug)? */ if (vortex_debug > 1) @@ -2501,7 +2503,7 @@ boomerang_interrupt(int irq, void *dev_id) handler_exit: vp->handling_irq = 0; spin_unlock(&vp->lock); - return IRQ_HANDLED; + return IRQ_RETVAL(handled); } static int vortex_rx(struct net_device *dev) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c index 661cdaa..b3bc87f 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c @@ -303,7 +303,8 @@ static void xgbe_set_buffer_data(struct xgbe_buffer_data *bd, get_page(pa->pages); bd->pa = *pa; - bd->dma = pa->pages_dma + pa->pages_offset; + bd->dma_base = pa->pages_dma; + bd->dma_off = pa->pages_offset; bd->dma_len = len; pa->pages_offset += len; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 506e832..a4473d8 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1110,6 +1110,7 @@ static void xgbe_rx_desc_reset(struct xgbe_prv_data *pdata, unsigned int rx_usecs = pdata->rx_usecs; unsigned int rx_frames = pdata->rx_frames; unsigned int inte; + dma_addr_t hdr_dma, buf_dma; if (!rx_usecs && !rx_frames) { /* No coalescing, interrupt for every descriptor */ @@ -1129,10 +1130,12 @@ static void xgbe_rx_desc_reset(struct xgbe_prv_data *pdata, * Set buffer 2 (hi) address to buffer dma address (hi) and * set control bits OWN and INTE */ - rdesc->desc0 = cpu_to_le32(lower_32_bits(rdata->rx.hdr.dma)); - rdesc->desc1 = cpu_to_le32(upper_32_bits(rdata->rx.hdr.dma)); - rdesc->desc2 = cpu_to_le32(lower_32_bits(rdata->rx.buf.dma)); - rdesc->desc3 = cpu_to_le32(upper_32_bits(rdata->rx.buf.dma)); + hdr_dma = rdata->rx.hdr.dma_base + rdata->rx.hdr.dma_off; + buf_dma = rdata->rx.buf.dma_base + rdata->rx.buf.dma_off; + rdesc->desc0 = cpu_to_le32(lower_32_bits(hdr_dma)); + rdesc->desc1 = cpu_to_le32(upper_32_bits(hdr_dma)); + rdesc->desc2 = cpu_to_le32(lower_32_bits(buf_dma)); + rdesc->desc3 = cpu_to_le32(upper_32_bits(buf_dma)); XGMAC_SET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, INTE, inte); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 1e9c28d..aae9d5e 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1765,8 +1765,9 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, /* Start with the header buffer which may contain just the header * or the header plus data */ - dma_sync_single_for_cpu(pdata->dev, rdata->rx.hdr.dma, - rdata->rx.hdr.dma_len, DMA_FROM_DEVICE); + dma_sync_single_range_for_cpu(pdata->dev, rdata->rx.hdr.dma_base, + rdata->rx.hdr.dma_off, + rdata->rx.hdr.dma_len, DMA_FROM_DEVICE); packet = page_address(rdata->rx.hdr.pa.pages) + rdata->rx.hdr.pa.pages_offset; @@ -1778,8 +1779,11 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, len -= copy_len; if (len) { /* Add the remaining data as a frag */ - dma_sync_single_for_cpu(pdata->dev, rdata->rx.buf.dma, - rdata->rx.buf.dma_len, DMA_FROM_DEVICE); + dma_sync_single_range_for_cpu(pdata->dev, + rdata->rx.buf.dma_base, + rdata->rx.buf.dma_off, + rdata->rx.buf.dma_len, + DMA_FROM_DEVICE); skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rdata->rx.buf.pa.pages, @@ -1945,8 +1949,9 @@ read_again: if (!skb) error = 1; } else if (rdesc_len) { - dma_sync_single_for_cpu(pdata->dev, - rdata->rx.buf.dma, + dma_sync_single_range_for_cpu(pdata->dev, + rdata->rx.buf.dma_base, + rdata->rx.buf.dma_off, rdata->rx.buf.dma_len, DMA_FROM_DEVICE); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index 63d72a1..717ce21 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -337,7 +337,8 @@ struct xgbe_buffer_data { struct xgbe_page_alloc pa; struct xgbe_page_alloc pa_unmap; - dma_addr_t dma; + dma_addr_t dma_base; + unsigned long dma_off; unsigned int dma_len; }; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 909ad7a..4566cdf 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1793,7 +1793,7 @@ static int bcm_sysport_probe(struct platform_device *pdev) macaddr = of_get_mac_address(dn); if (!macaddr || !is_valid_ether_addr(macaddr)) { dev_warn(&pdev->dev, "using random Ethernet MAC\n"); - random_ether_addr(dev->dev_addr); + eth_hw_addr_random(dev); } else { ether_addr_copy(dev->dev_addr, macaddr); } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index b43b2cb..64c1e9d 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1230,7 +1230,6 @@ static struct sk_buff *bcmgenet_put_tx_csum(struct net_device *dev, new_skb = skb_realloc_headroom(skb, sizeof(*status)); dev_kfree_skb(skb); if (!new_skb) { - dev->stats.tx_errors++; dev->stats.tx_dropped++; return NULL; } @@ -1465,7 +1464,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, if (unlikely(!skb)) { dev->stats.rx_dropped++; - dev->stats.rx_errors++; goto next; } @@ -1493,7 +1491,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, if (unlikely(!(dma_flag & DMA_EOP) || !(dma_flag & DMA_SOP))) { netif_err(priv, rx_status, dev, "dropping fragmented packet!\n"); - dev->stats.rx_dropped++; dev->stats.rx_errors++; dev_kfree_skb_any(skb); goto next; @@ -1515,7 +1512,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, dev->stats.rx_frame_errors++; if (dma_flag & DMA_RX_LG) dev->stats.rx_length_errors++; - dev->stats.rx_dropped++; dev->stats.rx_errors++; dev_kfree_skb_any(skb); goto next; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 484eb8c..a11485f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -952,16 +952,23 @@ static int devlog_show(struct seq_file *seq, void *v) * eventually have to put a format interpreter in here ... */ seq_printf(seq, "%10d %15llu %8s %8s ", - e->seqno, e->timestamp, + be32_to_cpu(e->seqno), + be64_to_cpu(e->timestamp), (e->level < ARRAY_SIZE(devlog_level_strings) ? devlog_level_strings[e->level] : "UNKNOWN"), (e->facility < ARRAY_SIZE(devlog_facility_strings) ? devlog_facility_strings[e->facility] : "UNKNOWN")); - seq_printf(seq, e->fmt, e->params[0], e->params[1], - e->params[2], e->params[3], e->params[4], - e->params[5], e->params[6], e->params[7]); + seq_printf(seq, e->fmt, + be32_to_cpu(e->params[0]), + be32_to_cpu(e->params[1]), + be32_to_cpu(e->params[2]), + be32_to_cpu(e->params[3]), + be32_to_cpu(e->params[4]), + be32_to_cpu(e->params[5]), + be32_to_cpu(e->params[6]), + be32_to_cpu(e->params[7])); } return 0; } @@ -1043,23 +1050,17 @@ static int devlog_open(struct inode *inode, struct file *file) return ret; } - /* Translate log multi-byte integral elements into host native format - * and determine where the first entry in the log is. + /* Find the earliest (lowest Sequence Number) log entry in the + * circular Device Log. */ for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) { struct fw_devlog_e *e = &dinfo->log[index]; - int i; __u32 seqno; if (e->timestamp == 0) continue; - e->timestamp = (__force __be64)be64_to_cpu(e->timestamp); seqno = be32_to_cpu(e->seqno); - for (i = 0; i < 8; i++) - e->params[i] = - (__force __be32)be32_to_cpu(e->params[i]); - if (seqno < fseqno) { fseqno = seqno; dinfo->first = index; diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index da2004e..918a8e4 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1170,7 +1170,7 @@ static int enic_poll(struct napi_struct *napi, int budget) wq_work_done, 0 /* dont unmask intr */, 0 /* dont reset intr timer */); - return rq_work_done; + return budget; } if (budget > 0) @@ -1191,6 +1191,7 @@ static int enic_poll(struct napi_struct *napi, int budget) 0 /* don't reset intr timer */); err = vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf); + enic_poll_unlock_napi(&enic->rq[cq_rq], napi); /* Buffer allocation failed. Stay in polling * mode so we can try to fill the ring again. @@ -1208,7 +1209,6 @@ static int enic_poll(struct napi_struct *napi, int budget) napi_complete(napi); vnic_intr_unmask(&enic->intr[intr]); } - enic_poll_unlock_napi(&enic->rq[cq_rq], napi); return rq_work_done; } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 1f89c59..42e20e5 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/string.h> +#include <linux/pm_runtime.h> #include <linux/ptrace.h> #include <linux/errno.h> #include <linux/ioport.h> @@ -77,6 +78,7 @@ static void fec_enet_itr_coal_init(struct net_device *ndev); #define FEC_ENET_RAEM_V 0x8 #define FEC_ENET_RAFL_V 0x8 #define FEC_ENET_OPD_V 0xFFF0 +#define FEC_MDIO_PM_TIMEOUT 100 /* ms */ static struct platform_device_id fec_devtype[] = { { @@ -1767,7 +1769,13 @@ static void fec_enet_adjust_link(struct net_device *ndev) static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) { struct fec_enet_private *fep = bus->priv; + struct device *dev = &fep->pdev->dev; unsigned long time_left; + int ret = 0; + + ret = pm_runtime_get_sync(dev); + if (IS_ERR_VALUE(ret)) + return ret; fep->mii_timeout = 0; init_completion(&fep->mdio_done); @@ -1783,18 +1791,30 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) if (time_left == 0) { fep->mii_timeout = 1; netdev_err(fep->netdev, "MDIO read timeout\n"); - return -ETIMEDOUT; + ret = -ETIMEDOUT; + goto out; } - /* return value */ - return FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); + ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); + +out: + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + + return ret; } static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value) { struct fec_enet_private *fep = bus->priv; + struct device *dev = &fep->pdev->dev; unsigned long time_left; + int ret = 0; + + ret = pm_runtime_get_sync(dev); + if (IS_ERR_VALUE(ret)) + return ret; fep->mii_timeout = 0; init_completion(&fep->mdio_done); @@ -1811,10 +1831,13 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, if (time_left == 0) { fep->mii_timeout = 1; netdev_err(fep->netdev, "MDIO write timeout\n"); - return -ETIMEDOUT; + ret = -ETIMEDOUT; } - return 0; + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + + return ret; } static int fec_enet_clk_enable(struct net_device *ndev, bool enable) @@ -1826,9 +1849,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable) ret = clk_prepare_enable(fep->clk_ahb); if (ret) return ret; - ret = clk_prepare_enable(fep->clk_ipg); - if (ret) - goto failed_clk_ipg; if (fep->clk_enet_out) { ret = clk_prepare_enable(fep->clk_enet_out); if (ret) @@ -1852,7 +1872,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable) } } else { clk_disable_unprepare(fep->clk_ahb); - clk_disable_unprepare(fep->clk_ipg); if (fep->clk_enet_out) clk_disable_unprepare(fep->clk_enet_out); if (fep->clk_ptp) { @@ -1874,8 +1893,6 @@ failed_clk_ptp: if (fep->clk_enet_out) clk_disable_unprepare(fep->clk_enet_out); failed_clk_enet_out: - clk_disable_unprepare(fep->clk_ipg); -failed_clk_ipg: clk_disable_unprepare(fep->clk_ahb); return ret; @@ -2847,10 +2864,14 @@ fec_enet_open(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); int ret; + ret = pm_runtime_get_sync(&fep->pdev->dev); + if (IS_ERR_VALUE(ret)) + return ret; + pinctrl_pm_select_default_state(&fep->pdev->dev); ret = fec_enet_clk_enable(ndev, true); if (ret) - return ret; + goto clk_enable; /* I should reset the ring buffers here, but I don't yet know * a simple way to do that. @@ -2881,6 +2902,9 @@ err_enet_mii_probe: fec_enet_free_buffers(ndev); err_enet_alloc: fec_enet_clk_enable(ndev, false); +clk_enable: + pm_runtime_mark_last_busy(&fep->pdev->dev); + pm_runtime_put_autosuspend(&fep->pdev->dev); pinctrl_pm_select_sleep_state(&fep->pdev->dev); return ret; } @@ -2903,6 +2927,9 @@ fec_enet_close(struct net_device *ndev) fec_enet_clk_enable(ndev, false); pinctrl_pm_select_sleep_state(&fep->pdev->dev); + pm_runtime_mark_last_busy(&fep->pdev->dev); + pm_runtime_put_autosuspend(&fep->pdev->dev); + fec_enet_free_buffers(ndev); return 0; @@ -3388,6 +3415,10 @@ fec_probe(struct platform_device *pdev) if (ret) goto failed_clk; + ret = clk_prepare_enable(fep->clk_ipg); + if (ret) + goto failed_clk_ipg; + fep->reg_phy = devm_regulator_get(&pdev->dev, "phy"); if (!IS_ERR(fep->reg_phy)) { ret = regulator_enable(fep->reg_phy); @@ -3434,6 +3465,8 @@ fec_probe(struct platform_device *pdev) netif_carrier_off(ndev); fec_enet_clk_enable(ndev, false); pinctrl_pm_select_sleep_state(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); ret = register_netdev(ndev); if (ret) @@ -3447,6 +3480,12 @@ fec_probe(struct platform_device *pdev) fep->rx_copybreak = COPYBREAK_DEFAULT; INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); + + pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + return 0; failed_register: @@ -3457,6 +3496,8 @@ failed_init: if (fep->reg_phy) regulator_disable(fep->reg_phy); failed_regulator: + clk_disable_unprepare(fep->clk_ipg); +failed_clk_ipg: fec_enet_clk_enable(ndev, false); failed_clk: failed_phy: @@ -3568,7 +3609,28 @@ failed_clk: return ret; } -static SIMPLE_DEV_PM_OPS(fec_pm_ops, fec_suspend, fec_resume); +static int __maybe_unused fec_runtime_suspend(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct fec_enet_private *fep = netdev_priv(ndev); + + clk_disable_unprepare(fep->clk_ipg); + + return 0; +} + +static int __maybe_unused fec_runtime_resume(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct fec_enet_private *fep = netdev_priv(ndev); + + return clk_prepare_enable(fep->clk_ipg); +} + +static const struct dev_pm_ops fec_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(fec_suspend, fec_resume) + SET_RUNTIME_PM_OPS(fec_runtime_suspend, fec_runtime_resume, NULL) +}; static struct platform_driver fec_driver = { .driver = { diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 8476434..605cc89 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -101,6 +101,11 @@ static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx) return resource_size(&efx->pci_dev->resource[bar]); } +static bool efx_ef10_is_vf(struct efx_nic *efx) +{ + return efx->type->is_vf; +} + static int efx_ef10_get_pf_index(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN); @@ -677,6 +682,48 @@ static int efx_ef10_probe_pf(struct efx_nic *efx) return efx_ef10_probe(efx); } +int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN); + + MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); + return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf), + NULL, 0, NULL); +} + +int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN); + + MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); + return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf), + NULL, 0, NULL); +} + +int efx_ef10_vport_add_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN); + + MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id); + ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac); + + return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf, + sizeof(inbuf), NULL, 0, NULL); +} + +int efx_ef10_vport_del_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN); + + MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id); + ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac); + + return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf, + sizeof(inbuf), NULL, 0, NULL); +} + #ifdef CONFIG_SFC_SRIOV static int efx_ef10_probe_vf(struct efx_nic *efx) { @@ -3804,6 +3851,72 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx) WARN_ON(remove_failed); } +static int efx_ef10_vport_set_mac_address(struct efx_nic *efx) +{ + struct efx_ef10_nic_data *nic_data = efx->nic_data; + u8 mac_old[ETH_ALEN]; + int rc, rc2; + + /* Only reconfigure a PF-created vport */ + if (is_zero_ether_addr(nic_data->vport_mac)) + return 0; + + efx_device_detach_sync(efx); + efx_net_stop(efx->net_dev); + down_write(&efx->filter_sem); + efx_ef10_filter_table_remove(efx); + up_write(&efx->filter_sem); + + rc = efx_ef10_vadaptor_free(efx, nic_data->vport_id); + if (rc) + goto restore_filters; + + ether_addr_copy(mac_old, nic_data->vport_mac); + rc = efx_ef10_vport_del_mac(efx, nic_data->vport_id, + nic_data->vport_mac); + if (rc) + goto restore_vadaptor; + + rc = efx_ef10_vport_add_mac(efx, nic_data->vport_id, + efx->net_dev->dev_addr); + if (!rc) { + ether_addr_copy(nic_data->vport_mac, efx->net_dev->dev_addr); + } else { + rc2 = efx_ef10_vport_add_mac(efx, nic_data->vport_id, mac_old); + if (rc2) { + /* Failed to add original MAC, so clear vport_mac */ + eth_zero_addr(nic_data->vport_mac); + goto reset_nic; + } + } + +restore_vadaptor: + rc2 = efx_ef10_vadaptor_alloc(efx, nic_data->vport_id); + if (rc2) + goto reset_nic; +restore_filters: + down_write(&efx->filter_sem); + rc2 = efx_ef10_filter_table_probe(efx); + up_write(&efx->filter_sem); + if (rc2) + goto reset_nic; + + rc2 = efx_net_open(efx->net_dev); + if (rc2) + goto reset_nic; + + netif_device_attach(efx->net_dev); + + return rc; + +reset_nic: + netif_err(efx, drv, efx->net_dev, + "Failed to restore when changing MAC address - scheduling reset\n"); + efx_schedule_reset(efx, RESET_TYPE_DATAPATH); + + return rc ? rc : rc2; +} + static int efx_ef10_set_mac_address(struct efx_nic *efx) { MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_SET_MAC_IN_LEN); @@ -3820,8 +3933,8 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) efx->net_dev->dev_addr); MCDI_SET_DWORD(inbuf, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID, nic_data->vport_id); - rc = efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, - sizeof(inbuf), NULL, 0, NULL); + rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, + sizeof(inbuf), NULL, 0, NULL); efx_ef10_filter_table_probe(efx); up_write(&efx->filter_sem); @@ -3829,38 +3942,27 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) efx_net_open(efx->net_dev); netif_device_attach(efx->net_dev); -#if !defined(CONFIG_SFC_SRIOV) - if (rc == -EPERM) - netif_err(efx, drv, efx->net_dev, - "Cannot change MAC address; use sfboot to enable mac-spoofing" - " on this interface\n"); -#else - if (rc == -EPERM) { +#ifdef CONFIG_SFC_SRIOV + if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) { struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; - /* Switch to PF and change MAC address on vport */ - if (efx->pci_dev->is_virtfn && pci_dev_pf) { - struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); + if (rc == -EPERM) { + struct efx_nic *efx_pf; - if (!efx_ef10_sriov_set_vf_mac(efx_pf, - nic_data->vf_index, - efx->net_dev->dev_addr)) - return 0; - } - netif_err(efx, drv, efx->net_dev, - "Cannot change MAC address; use sfboot to enable mac-spoofing" - " on this interface\n"); - } else if (efx->pci_dev->is_virtfn) { - /* Successfully changed by VF (with MAC spoofing), so update the - * parent PF if possible. - */ - struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; + /* Switch to PF and change MAC address on vport */ + efx_pf = pci_get_drvdata(pci_dev_pf); - if (pci_dev_pf) { + rc = efx_ef10_sriov_set_vf_mac(efx_pf, + nic_data->vf_index, + efx->net_dev->dev_addr); + } else if (!rc) { struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); struct efx_ef10_nic_data *nic_data = efx_pf->nic_data; unsigned int i; + /* MAC address successfully changed by VF (with MAC + * spoofing) so update the parent PF if possible. + */ for (i = 0; i < efx_pf->vf_count; ++i) { struct ef10_vf *vf = nic_data->vf + i; @@ -3871,8 +3973,24 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) } } } - } + } else #endif + if (rc == -EPERM) { + netif_err(efx, drv, efx->net_dev, + "Cannot change MAC address; use sfboot to enable" + " mac-spoofing on this interface\n"); + } else if (rc == -ENOSYS && !efx_ef10_is_vf(efx)) { + /* If the active MCFW does not support MC_CMD_VADAPTOR_SET_MAC + * fall-back to the method of changing the MAC address on the + * vport. This only applies to PFs because such versions of + * MCFW do not support VFs. + */ + rc = efx_ef10_vport_set_mac_address(efx); + } else { + efx_mcdi_display_error(efx, MC_CMD_VADAPTOR_SET_MAC, + sizeof(inbuf), NULL, 0, rc); + } + return rc; } diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index 6c9b6e4..3c17f27 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -29,30 +29,6 @@ static int efx_ef10_evb_port_assign(struct efx_nic *efx, unsigned int port_id, NULL, 0, NULL); } -static int efx_ef10_vport_add_mac(struct efx_nic *efx, - unsigned int port_id, u8 *mac) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN); - - MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id); - ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac); - - return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf, - sizeof(inbuf), NULL, 0, NULL); -} - -static int efx_ef10_vport_del_mac(struct efx_nic *efx, - unsigned int port_id, u8 *mac) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN); - - MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id); - ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac); - - return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf, - sizeof(inbuf), NULL, 0, NULL); -} - static int efx_ef10_vswitch_alloc(struct efx_nic *efx, unsigned int port_id, unsigned int vswitch_type) { @@ -136,24 +112,6 @@ static int efx_ef10_vport_free(struct efx_nic *efx, unsigned int port_id) NULL, 0, NULL); } -static int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN); - - MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); - return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf), - NULL, 0, NULL); -} - -static int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN); - - MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); - return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf), - NULL, 0, NULL); -} - static void efx_ef10_sriov_free_vf_vports(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; @@ -640,21 +598,21 @@ int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf_i, u16 vlan, MC_CMD_VPORT_ALLOC_IN_VPORT_TYPE_NORMAL, vf->vlan, &vf->vport_id); if (rc) - goto reset_nic; + goto reset_nic_up_write; restore_mac: if (!is_zero_ether_addr(vf->mac)) { rc2 = efx_ef10_vport_add_mac(efx, vf->vport_id, vf->mac); if (rc2) { eth_zero_addr(vf->mac); - goto reset_nic; + goto reset_nic_up_write; } } restore_evb_port: rc2 = efx_ef10_evb_port_assign(efx, vf->vport_id, vf_i); if (rc2) - goto reset_nic; + goto reset_nic_up_write; else vf->vport_assigned = 1; @@ -662,14 +620,16 @@ restore_vadaptor: if (vf->efx) { rc2 = efx_ef10_vadaptor_alloc(vf->efx, EVB_PORT_ID_ASSIGNED); if (rc2) - goto reset_nic; + goto reset_nic_up_write; } restore_filters: if (vf->efx) { rc2 = vf->efx->type->filter_table_probe(vf->efx); if (rc2) - goto reset_nic; + goto reset_nic_up_write; + + up_write(&vf->efx->filter_sem); up_write(&vf->efx->filter_sem); @@ -681,9 +641,12 @@ restore_filters: } return rc; +reset_nic_up_write: + if (vf->efx) + up_write(&vf->efx->filter_sem); + reset_nic: if (vf->efx) { - up_write(&vf->efx->filter_sem); netif_err(efx, drv, efx->net_dev, "Failed to restore VF - scheduling reset.\n"); efx_schedule_reset(vf->efx, RESET_TYPE_DATAPATH); diff --git a/drivers/net/ethernet/sfc/ef10_sriov.h b/drivers/net/ethernet/sfc/ef10_sriov.h index db4ef53..6d25b92 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.h +++ b/drivers/net/ethernet/sfc/ef10_sriov.h @@ -65,5 +65,11 @@ int efx_ef10_vswitching_restore_pf(struct efx_nic *efx); int efx_ef10_vswitching_restore_vf(struct efx_nic *efx); void efx_ef10_vswitching_remove_pf(struct efx_nic *efx); void efx_ef10_vswitching_remove_vf(struct efx_nic *efx); +int efx_ef10_vport_add_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac); +int efx_ef10_vport_del_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac); +int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id); +int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id); #endif /* EF10_SRIOV_H */ diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 804b9ad..03bc03b 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -245,11 +245,17 @@ static int efx_check_disabled(struct efx_nic *efx) */ static int efx_process_channel(struct efx_channel *channel, int budget) { + struct efx_tx_queue *tx_queue; int spent; if (unlikely(!channel->enabled)) return 0; + efx_for_each_channel_tx_queue(tx_queue, channel) { + tx_queue->pkts_compl = 0; + tx_queue->bytes_compl = 0; + } + spent = efx_nic_process_eventq(channel, budget); if (spent && efx_channel_has_rx_queue(channel)) { struct efx_rx_queue *rx_queue = @@ -259,6 +265,14 @@ static int efx_process_channel(struct efx_channel *channel, int budget) efx_fast_push_rx_descriptors(rx_queue, true); } + /* Update BQL */ + efx_for_each_channel_tx_queue(tx_queue, channel) { + if (tx_queue->bytes_compl) { + netdev_tx_completed_queue(tx_queue->core_txq, + tx_queue->pkts_compl, tx_queue->bytes_compl); + } + } + return spent; } diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index d72f522..47d1e3a 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -241,6 +241,8 @@ struct efx_tx_queue { unsigned int read_count ____cacheline_aligned_in_smp; unsigned int old_write_count; unsigned int merge_events; + unsigned int bytes_compl; + unsigned int pkts_compl; /* Members used only on the xmit path */ unsigned int insert_count ____cacheline_aligned_in_smp; diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index aaf2987..1833a01 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -617,7 +617,8 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) EFX_BUG_ON_PARANOID(index > tx_queue->ptr_mask); efx_dequeue_buffers(tx_queue, index, &pkts_compl, &bytes_compl); - netdev_tx_completed_queue(tx_queue->core_txq, pkts_compl, bytes_compl); + tx_queue->pkts_compl += pkts_compl; + tx_queue->bytes_compl += bytes_compl; if (pkts_compl > 1) ++tx_queue->merge_events; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 4628205..f335bf1 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -138,19 +138,6 @@ do { \ #define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT) #define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1) -#define cpsw_enable_irq(priv) \ - do { \ - u32 i; \ - for (i = 0; i < priv->num_irqs; i++) \ - enable_irq(priv->irqs_table[i]); \ - } while (0) -#define cpsw_disable_irq(priv) \ - do { \ - u32 i; \ - for (i = 0; i < priv->num_irqs; i++) \ - disable_irq_nosync(priv->irqs_table[i]); \ - } while (0) - #define cpsw_slave_index(priv) \ ((priv->data.dual_emac) ? priv->emac_port : \ priv->data.active_slave) @@ -509,9 +496,11 @@ static const struct cpsw_stats cpsw_gstrings_stats[] = { (func)(slave++, ##arg); \ } while (0) #define cpsw_get_slave_ndev(priv, __slave_no__) \ - (priv->slaves[__slave_no__].ndev) + ((__slave_no__ < priv->data.slaves) ? \ + priv->slaves[__slave_no__].ndev : NULL) #define cpsw_get_slave_priv(priv, __slave_no__) \ - ((priv->slaves[__slave_no__].ndev) ? \ + (((__slave_no__ < priv->data.slaves) && \ + (priv->slaves[__slave_no__].ndev)) ? \ netdev_priv(priv->slaves[__slave_no__].ndev) : NULL) \ #define cpsw_dual_emac_src_port_detect(status, priv, ndev, skb) \ @@ -781,7 +770,7 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) cpsw_intr_disable(priv); if (priv->irq_enabled == true) { - cpsw_disable_irq(priv); + disable_irq_nosync(priv->irqs_table[0]); priv->irq_enabled = false; } @@ -817,7 +806,7 @@ static int cpsw_poll(struct napi_struct *napi, int budget) prim_cpsw = cpsw_get_slave_priv(priv, 0); if (prim_cpsw->irq_enabled == false) { prim_cpsw->irq_enabled = true; - cpsw_enable_irq(priv); + enable_irq(priv->irqs_table[0]); } } @@ -1333,7 +1322,7 @@ static int cpsw_ndo_open(struct net_device *ndev) if (prim_cpsw->irq_enabled == false) { if ((priv == prim_cpsw) || !netif_running(prim_cpsw->ndev)) { prim_cpsw->irq_enabled = true; - cpsw_enable_irq(prim_cpsw); + enable_irq(prim_cpsw->irqs_table[0]); } } diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 4208dd7..d95f9aa 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1530,9 +1530,9 @@ static int axienet_probe(struct platform_device *pdev) /* Map device registers */ ethres = platform_get_resource(pdev, IORESOURCE_MEM, 0); lp->regs = devm_ioremap_resource(&pdev->dev, ethres); - if (!lp->regs) { + if (IS_ERR(lp->regs)) { dev_err(&pdev->dev, "could not map Axi Ethernet regs.\n"); - ret = -ENOMEM; + ret = PTR_ERR(lp->regs); goto free_netdev; } @@ -1599,9 +1599,9 @@ static int axienet_probe(struct platform_device *pdev) goto free_netdev; } lp->dma_regs = devm_ioremap_resource(&pdev->dev, &dmares); - if (!lp->dma_regs) { + if (IS_ERR(lp->dma_regs)) { dev_err(&pdev->dev, "could not map DMA regs\n"); - ret = -ENOMEM; + ret = PTR_ERR(lp->dma_regs); goto free_netdev; } lp->rx_irq = irq_of_parse_and_map(np, 1); diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c index 7856b6c..d95a50a 100644 --- a/drivers/net/hamradio/bpqether.c +++ b/drivers/net/hamradio/bpqether.c @@ -482,6 +482,7 @@ static void bpq_setup(struct net_device *dev) memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN); dev->flags = 0; + dev->features = NETIF_F_LLTX; /* Allow recursion */ #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) dev->header_ops = &ax25_header_ops; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index f837080..3b933bb 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -1355,6 +1355,7 @@ static void macvtap_exit(void) class_unregister(macvtap_class); cdev_del(&macvtap_cdev); unregister_chrdev_region(macvtap_major, MACVTAP_NUM_DEVS); + idr_destroy(&minor_idr); } module_exit(macvtap_exit); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index cf18940..cb86d7a 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -191,7 +191,7 @@ config MDIO_BUS_MUX_GPIO config MDIO_BUS_MUX_MMIOREG tristate "Support for MMIO device-controlled MDIO bus multiplexers" - depends on OF_MDIO + depends on OF_MDIO && HAS_IOMEM select MDIO_BUS_MUX help This module provides a driver for MDIO bus multiplexers that diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 4545e78..35a2bff 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -523,6 +523,7 @@ static const struct driver_info wwan_info = { #define REALTEK_VENDOR_ID 0x0bda #define SAMSUNG_VENDOR_ID 0x04e8 #define LENOVO_VENDOR_ID 0x17ef +#define NVIDIA_VENDOR_ID 0x0955 static const struct usb_device_id products[] = { /* BLACKLIST !! @@ -710,6 +711,13 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index e4b7a47..efc18e0 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -158,7 +158,7 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf) if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting)) goto err; - ret = cdc_ncm_bind_common(dev, intf, data_altsetting); + ret = cdc_ncm_bind_common(dev, intf, data_altsetting, 0); if (ret) goto err; diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 8067b8f..db40175 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -6,7 +6,7 @@ * Original author: Hans Petter Selasky <hans.petter.selasky@stericsson.com> * * USB Host Driver for Network Control Model (NCM) - * http://www.usb.org/developers/devclass_docs/NCM10.zip + * http://www.usb.org/developers/docs/devclass_docs/NCM10_012011.zip * * The NCM encoding, decoding and initialization logic * derives from FreeBSD 8.x. if_cdce.c and if_cdcereg.h @@ -684,10 +684,12 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) ctx->tx_curr_skb = NULL; } + kfree(ctx->delayed_ndp16); + kfree(ctx); } -int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting) +int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags) { const struct usb_cdc_union_desc *union_desc = NULL; struct cdc_ncm_ctx *ctx; @@ -855,6 +857,17 @@ advance: /* finish setting up the device specific data */ cdc_ncm_setup(dev); + /* Device-specific flags */ + ctx->drvflags = drvflags; + + /* Allocate the delayed NDP if needed. */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) { + ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL); + if (!ctx->delayed_ndp16) + goto error2; + dev_info(&intf->dev, "NDP will be placed at end of frame for this device."); + } + /* override ethtool_ops */ dev->net->ethtool_ops = &cdc_ncm_ethtool_ops; @@ -954,8 +967,11 @@ static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf) if (cdc_ncm_select_altsetting(intf) != CDC_NCM_COMM_ALTSETTING_NCM) return -ENODEV; - /* The NCM data altsetting is fixed */ - ret = cdc_ncm_bind_common(dev, intf, CDC_NCM_DATA_ALTSETTING_NCM); + /* The NCM data altsetting is fixed, so we hard-coded it. + * Additionally, generic NCM devices are assumed to accept arbitrarily + * placed NDP. + */ + ret = cdc_ncm_bind_common(dev, intf, CDC_NCM_DATA_ALTSETTING_NCM, 0); /* * We should get an event when network connection is "connected" or @@ -986,6 +1002,14 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ struct usb_cdc_ncm_nth16 *nth16 = (void *)skb->data; size_t ndpoffset = le16_to_cpu(nth16->wNdpIndex); + /* If NDP should be moved to the end of the NCM package, we can't follow the + * NTH16 header as we would normally do. NDP isn't written to the SKB yet, and + * the wNdpIndex field in the header is actually not consistent with reality. It will be later. + */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) + if (ctx->delayed_ndp16->dwSignature == sign) + return ctx->delayed_ndp16; + /* follow the chain of NDPs, looking for a match */ while (ndpoffset) { ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb->data + ndpoffset); @@ -995,7 +1019,8 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ } /* align new NDP */ - cdc_ncm_align_tail(skb, ctx->tx_ndp_modulus, 0, ctx->tx_max); + if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)) + cdc_ncm_align_tail(skb, ctx->tx_ndp_modulus, 0, ctx->tx_max); /* verify that there is room for the NDP and the datagram (reserve) */ if ((ctx->tx_max - skb->len - reserve) < ctx->max_ndp_size) @@ -1008,7 +1033,11 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ nth16->wNdpIndex = cpu_to_le16(skb->len); /* push a new empty NDP */ - ndp16 = (struct usb_cdc_ncm_ndp16 *)memset(skb_put(skb, ctx->max_ndp_size), 0, ctx->max_ndp_size); + if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)) + ndp16 = (struct usb_cdc_ncm_ndp16 *)memset(skb_put(skb, ctx->max_ndp_size), 0, ctx->max_ndp_size); + else + ndp16 = ctx->delayed_ndp16; + ndp16->dwSignature = sign; ndp16->wLength = cpu_to_le16(sizeof(struct usb_cdc_ncm_ndp16) + sizeof(struct usb_cdc_ncm_dpe16)); return ndp16; @@ -1023,6 +1052,15 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) struct sk_buff *skb_out; u16 n = 0, index, ndplen; u8 ready2send = 0; + u32 delayed_ndp_size; + + /* When our NDP gets written in cdc_ncm_ndp(), then skb_out->len gets updated + * accordingly. Otherwise, we should check here. + */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) + delayed_ndp_size = ctx->max_ndp_size; + else + delayed_ndp_size = 0; /* if there is a remaining skb, it gets priority */ if (skb != NULL) { @@ -1077,7 +1115,7 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) cdc_ncm_align_tail(skb_out, ctx->tx_modulus, ctx->tx_remainder, ctx->tx_max); /* check if we had enough room left for both NDP and frame */ - if (!ndp16 || skb_out->len + skb->len > ctx->tx_max) { + if (!ndp16 || skb_out->len + skb->len + delayed_ndp_size > ctx->tx_max) { if (n == 0) { /* won't fit, MTU problem? */ dev_kfree_skb_any(skb); @@ -1150,6 +1188,17 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) /* variables will be reset at next call */ } + /* If requested, put NDP at end of frame. */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) { + nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data; + cdc_ncm_align_tail(skb_out, ctx->tx_ndp_modulus, 0, ctx->tx_max); + nth16->wNdpIndex = cpu_to_le16(skb_out->len); + memcpy(skb_put(skb_out, ctx->max_ndp_size), ctx->delayed_ndp16, ctx->max_ndp_size); + + /* Zero out delayed NDP - signature checking will naturally fail. */ + ndp16 = memset(ctx->delayed_ndp16, 0, ctx->max_ndp_size); + } + /* If collected data size is less or equal ctx->min_tx_pkt * bytes, we send buffers as it is. If we get more data, it * would be more efficient for USB HS mobile device with DMA diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index 735f7da..2680a65 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -73,11 +73,14 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev, struct usb_driver *subdriver = ERR_PTR(-ENODEV); int ret = -ENODEV; struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + int drvflags = 0; /* altsetting should always be 1 for NCM devices - so we hard-coded - * it here + * it here. Some huawei devices will need the NDP part of the NCM package to + * be at the end of the frame. */ - ret = cdc_ncm_bind_common(usbnet_dev, intf, 1); + drvflags |= CDC_NCM_FLAG_NDP_TO_END; + ret = cdc_ncm_bind_common(usbnet_dev, intf, 1, drvflags); if (ret) goto err; diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index aafa1a1..7f6419e 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -494,6 +494,7 @@ enum rtl8152_flags { #define VENDOR_ID_REALTEK 0x0bda #define VENDOR_ID_SAMSUNG 0x04e8 #define VENDOR_ID_LENOVO 0x17ef +#define VENDOR_ID_NVIDIA 0x0955 #define MCU_TYPE_PLA 0x0100 #define MCU_TYPE_USB 0x0000 @@ -4117,6 +4118,7 @@ static struct usb_device_id rtl8152_table[] = { {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)}, + {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)}, {} }; diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index da11bb5..46f4cad 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1216,7 +1216,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, static const u32 rxprod_reg[2] = { VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2 }; - u32 num_rxd = 0; + u32 num_pkts = 0; bool skip_page_frags = false; struct Vmxnet3_RxCompDesc *rcd; struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx; @@ -1235,13 +1235,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, struct Vmxnet3_RxDesc *rxd; u32 idx, ring_idx; struct vmxnet3_cmd_ring *ring = NULL; - if (num_rxd >= quota) { + if (num_pkts >= quota) { /* we may stop even before we see the EOP desc of * the current pkt */ break; } - num_rxd++; BUG_ON(rcd->rqID != rq->qid && rcd->rqID != rq->qid2); idx = rcd->rxdIdx; ring_idx = rcd->rqID < adapter->num_rx_queues ? 0 : 1; @@ -1413,6 +1412,7 @@ not_lro: napi_gro_receive(&rq->napi, skb); ctx->skb = NULL; + num_pkts++; } rcd_done: @@ -1443,7 +1443,7 @@ rcd_done: &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp); } - return num_rxd; + return num_pkts; } diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index feacc3b..2f0bd69 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -1044,7 +1044,7 @@ EXPORT_SYMBOL(z8530_sync_dma_close); * @dev: The network device to attach * @c: The Z8530 channel to configure in sync DMA mode. * - * Set up a Z85x30 device for synchronous DMA tranmission. One + * Set up a Z85x30 device for synchronous DMA transmission. One * ISA DMA channel must be available for this to work. The receive * side is run in PIO mode, but then it has the bigger FIFO. */ diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index ed317cc..aaeeae8 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -309,12 +309,15 @@ static const struct dmi_system_id dell_quirks[] __initconst = { static struct calling_interface_buffer *buffer; static DEFINE_MUTEX(buffer_mutex); -static int hwswitch_state; +static void clear_buffer(void) +{ + memset(buffer, 0, sizeof(struct calling_interface_buffer)); +} static void get_buffer(void) { mutex_lock(&buffer_mutex); - memset(buffer, 0, sizeof(struct calling_interface_buffer)); + clear_buffer(); } static void release_buffer(void) @@ -548,21 +551,41 @@ static int dell_rfkill_set(void *data, bool blocked) int disable = blocked ? 1 : 0; unsigned long radio = (unsigned long)data; int hwswitch_bit = (unsigned long)data - 1; + int hwswitch; + int status; + int ret; get_buffer(); + + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + status = buffer->output[1]; + + if (ret != 0) + goto out; + + clear_buffer(); + + buffer->input[0] = 0x2; dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + hwswitch = buffer->output[1]; /* If the hardware switch controls this radio, and the hardware switch is disabled, always disable the radio */ - if ((hwswitch_state & BIT(hwswitch_bit)) && - !(buffer->output[1] & BIT(16))) + if (ret == 0 && (hwswitch & BIT(hwswitch_bit)) && + (status & BIT(0)) && !(status & BIT(16))) disable = 1; + clear_buffer(); + buffer->input[0] = (1 | (radio<<8) | (disable << 16)); dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + out: release_buffer(); - return 0; + return dell_smi_error(ret); } /* Must be called with the buffer held */ @@ -572,6 +595,7 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio, if (status & BIT(0)) { /* Has hw-switch, sync sw_state to BIOS */ int block = rfkill_blocked(rfkill); + clear_buffer(); buffer->input[0] = (1 | (radio << 8) | (block << 16)); dell_send_request(buffer, 17, 11); } else { @@ -581,23 +605,43 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio, } static void dell_rfkill_update_hw_state(struct rfkill *rfkill, int radio, - int status) + int status, int hwswitch) { - if (hwswitch_state & (BIT(radio - 1))) + if (hwswitch & (BIT(radio - 1))) rfkill_set_hw_state(rfkill, !(status & BIT(16))); } static void dell_rfkill_query(struct rfkill *rfkill, void *data) { + int radio = ((unsigned long)data & 0xF); + int hwswitch; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; - dell_rfkill_update_hw_state(rfkill, (unsigned long)data, status); + if (ret != 0 || !(status & BIT(0))) { + release_buffer(); + return; + } + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + hwswitch = buffer->output[1]; release_buffer(); + + if (ret != 0) + return; + + dell_rfkill_update_hw_state(rfkill, radio, status, hwswitch); } static const struct rfkill_ops dell_rfkill_ops = { @@ -609,13 +653,27 @@ static struct dentry *dell_laptop_dir; static int dell_debugfs_show(struct seq_file *s, void *data) { + int hwswitch_state; + int hwswitch_ret; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + hwswitch_ret = buffer->output[0]; + hwswitch_state = buffer->output[1]; + release_buffer(); + seq_printf(s, "return:\t%d\n", ret); seq_printf(s, "status:\t0x%X\n", status); seq_printf(s, "Bit 0 : Hardware switch supported: %lu\n", status & BIT(0)); @@ -657,7 +715,8 @@ static int dell_debugfs_show(struct seq_file *s, void *data) seq_printf(s, "Bit 21: WiGig is blocked: %lu\n", (status & BIT(21)) >> 21); - seq_printf(s, "\nhwswitch_state:\t0x%X\n", hwswitch_state); + seq_printf(s, "\nhwswitch_return:\t%d\n", hwswitch_ret); + seq_printf(s, "hwswitch_state:\t0x%X\n", hwswitch_state); seq_printf(s, "Bit 0 : Wifi controlled by switch: %lu\n", hwswitch_state & BIT(0)); seq_printf(s, "Bit 1 : Bluetooth controlled by switch: %lu\n", @@ -693,25 +752,43 @@ static const struct file_operations dell_debugfs_fops = { static void dell_update_rfkill(struct work_struct *ignored) { + int hwswitch = 0; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; + if (ret != 0) + goto out; + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + + if (ret == 0 && (status & BIT(0))) + hwswitch = buffer->output[1]; + if (wifi_rfkill) { - dell_rfkill_update_hw_state(wifi_rfkill, 1, status); + dell_rfkill_update_hw_state(wifi_rfkill, 1, status, hwswitch); dell_rfkill_update_sw_state(wifi_rfkill, 1, status); } if (bluetooth_rfkill) { - dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status); + dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status, + hwswitch); dell_rfkill_update_sw_state(bluetooth_rfkill, 2, status); } if (wwan_rfkill) { - dell_rfkill_update_hw_state(wwan_rfkill, 3, status); + dell_rfkill_update_hw_state(wwan_rfkill, 3, status, hwswitch); dell_rfkill_update_sw_state(wwan_rfkill, 3, status); } + out: release_buffer(); } static DECLARE_DELAYED_WORK(dell_rfkill_work, dell_update_rfkill); @@ -773,21 +850,17 @@ static int __init dell_setup_rfkill(void) get_buffer(); dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; - buffer->input[0] = 0x2; - dell_send_request(buffer, 17, 11); - hwswitch_state = buffer->output[1]; release_buffer(); - if (!(status & BIT(0))) { - if (force_rfkill) { - /* No hwsitch, clear all hw-controlled bits */ - hwswitch_state &= ~7; - } else { - /* rfkill is only tested on laptops with a hwswitch */ - return 0; - } - } + /* dell wireless info smbios call is not supported */ + if (ret != 0) + return 0; + + /* rfkill is only tested on laptops with a hwswitch */ + if (!(status & BIT(0)) && !force_rfkill) + return 0; if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) { wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev, @@ -932,47 +1005,50 @@ static void dell_cleanup_rfkill(void) static int dell_send_intensity(struct backlight_device *bd) { - int ret = 0; + int token; + int ret; + + token = find_token_location(BRIGHTNESS_TOKEN); + if (token == -1) + return -ENODEV; get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); + buffer->input[0] = token; buffer->input[1] = bd->props.brightness; - if (buffer->input[0] == -1) { - ret = -ENODEV; - goto out; - } - if (power_supply_is_system_supplied() > 0) dell_send_request(buffer, 1, 2); else dell_send_request(buffer, 1, 1); - out: + ret = dell_smi_error(buffer->output[0]); + release_buffer(); return ret; } static int dell_get_intensity(struct backlight_device *bd) { - int ret = 0; + int token; + int ret; - get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); + token = find_token_location(BRIGHTNESS_TOKEN); + if (token == -1) + return -ENODEV; - if (buffer->input[0] == -1) { - ret = -ENODEV; - goto out; - } + get_buffer(); + buffer->input[0] = token; if (power_supply_is_system_supplied() > 0) dell_send_request(buffer, 0, 2); else dell_send_request(buffer, 0, 1); - ret = buffer->output[1]; + if (buffer->output[0]) + ret = dell_smi_error(buffer->output[0]); + else + ret = buffer->output[1]; - out: release_buffer(); return ret; } @@ -2036,6 +2112,7 @@ static void kbd_led_exit(void) static int __init dell_init(void) { int max_intensity = 0; + int token; int ret; if (!dmi_check_system(dell_device_table)) @@ -2094,13 +2171,15 @@ static int __init dell_init(void) if (acpi_video_get_backlight_type() != acpi_backlight_vendor) return 0; - get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); - if (buffer->input[0] != -1) { + token = find_token_location(BRIGHTNESS_TOKEN); + if (token != -1) { + get_buffer(); + buffer->input[0] = token; dell_send_request(buffer, 0, 2); - max_intensity = buffer->output[3]; + if (buffer->output[0] == 0) + max_intensity = buffer->output[3]; + release_buffer(); } - release_buffer(); if (max_intensity) { struct backlight_properties props; diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index d734763..105cfff 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -96,18 +96,18 @@ static struct intel_pmc_ipc_dev { struct completion cmd_complete; /* The following PMC BARs share the same ACPI device with the IPC */ - void *acpi_io_base; + resource_size_t acpi_io_base; int acpi_io_size; struct platform_device *tco_dev; /* gcr */ - void *gcr_base; + resource_size_t gcr_base; int gcr_size; /* punit */ - void *punit_base; + resource_size_t punit_base; int punit_size; - void *punit_base2; + resource_size_t punit_base2; int punit_size2; struct platform_device *punit_dev; } ipcdev; @@ -210,10 +210,15 @@ static int intel_pmc_ipc_check_status(void) return ret; } -/* - * intel_pmc_ipc_simple_command - * @cmd: command - * @sub: sub type +/** + * intel_pmc_ipc_simple_command() - Simple IPC command + * @cmd: IPC command code. + * @sub: IPC command sub type. + * + * Send a simple IPC command to PMC when don't need to specify + * input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_simple_command(int cmd, int sub) { @@ -232,16 +237,20 @@ int intel_pmc_ipc_simple_command(int cmd, int sub) } EXPORT_SYMBOL_GPL(intel_pmc_ipc_simple_command); -/* - * intel_pmc_ipc_raw_cmd - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - * @sptr: data writing to SPTR register - * @dptr: data writing to DPTR register +/** + * intel_pmc_ipc_raw_cmd() - IPC command with data and pointers + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * @sptr: data writing to SPTR register. + * @dptr: data writing to DPTR register. + * + * Send an IPC command to PMC with input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen, u32 dptr, u32 sptr) @@ -278,14 +287,18 @@ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, } EXPORT_SYMBOL_GPL(intel_pmc_ipc_raw_cmd); -/* - * intel_pmc_ipc_command - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords +/** + * intel_pmc_ipc_command() - IPC command with input/output data + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * + * Send an IPC command to PMC with input/output data. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen) @@ -480,11 +493,11 @@ static int ipc_create_punit_device(void) pdev->dev.parent = ipcdev.dev; res = punit_res; - res->start = (resource_size_t)ipcdev.punit_base; + res->start = ipcdev.punit_base; res->end = res->start + ipcdev.punit_size - 1; res = punit_res + PUNIT_RESOURCE_INTER; - res->start = (resource_size_t)ipcdev.punit_base2; + res->start = ipcdev.punit_base2; res->end = res->start + ipcdev.punit_size2 - 1; ret = platform_device_add_resources(pdev, punit_res, @@ -522,15 +535,15 @@ static int ipc_create_tco_device(void) pdev->dev.parent = ipcdev.dev; res = tco_res + TCO_RESOURCE_ACPI_IO; - res->start = (resource_size_t)ipcdev.acpi_io_base + TCO_BASE_OFFSET; + res->start = ipcdev.acpi_io_base + TCO_BASE_OFFSET; res->end = res->start + TCO_REGS_SIZE - 1; res = tco_res + TCO_RESOURCE_SMI_EN_IO; - res->start = (resource_size_t)ipcdev.acpi_io_base + SMI_EN_OFFSET; + res->start = ipcdev.acpi_io_base + SMI_EN_OFFSET; res->end = res->start + SMI_EN_SIZE - 1; res = tco_res + TCO_RESOURCE_GCR_MEM; - res->start = (resource_size_t)ipcdev.gcr_base; + res->start = ipcdev.gcr_base; res->end = res->start + ipcdev.gcr_size - 1; ret = platform_device_add_resources(pdev, tco_res, ARRAY_SIZE(tco_res)); @@ -589,7 +602,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.acpi_io_base = (void *)res->start; + ipcdev.acpi_io_base = res->start; ipcdev.acpi_io_size = size; dev_info(&pdev->dev, "io res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -601,7 +614,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.punit_base = (void *)res->start; + ipcdev.punit_base = res->start; ipcdev.punit_size = size; dev_info(&pdev->dev, "punit data res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -613,7 +626,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.punit_base2 = (void *)res->start; + ipcdev.punit_base2 = res->start; ipcdev.punit_size2 = size; dev_info(&pdev->dev, "punit interface res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -637,7 +650,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) } ipcdev.ipc_base = addr; - ipcdev.gcr_base = (void *)(res->start + size); + ipcdev.gcr_base = res->start + size; ipcdev.gcr_size = PLAT_RESOURCE_GCR_SIZE; dev_info(&pdev->dev, "ipc res: %llx %x\n", (long long)res->start, (int)resource_size(res)); diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 001b199..187d108 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -216,13 +216,13 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id) int nc; u32 offset = 0; int err; - u8 cbuf[IPC_WWBUF_SIZE] = { }; + u8 cbuf[IPC_WWBUF_SIZE]; u32 *wbuf = (u32 *)&cbuf; - mutex_lock(&ipclock); - memset(cbuf, 0, sizeof(cbuf)); + mutex_lock(&ipclock); + if (ipcdev.pdev == NULL) { mutex_unlock(&ipclock); return -ENODEV; diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1aec8ff..f73d2f5 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1863,6 +1863,33 @@ static void __dasd_device_check_expire(struct dasd_device *device) } /* + * return 1 when device is not eligible for IO + */ +static int __dasd_device_is_unusable(struct dasd_device *device, + struct dasd_ccw_req *cqr) +{ + int mask = ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM); + + if (test_bit(DASD_FLAG_OFFLINE, &device->flags)) { + /* dasd is being set offline. */ + return 1; + } + if (device->stopped) { + if (device->stopped & mask) { + /* stopped and CQR will not change that. */ + return 1; + } + if (!test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags)) { + /* CQR is not able to change device to + * operational. */ + return 1; + } + /* CQR required to get device operational. */ + } + return 0; +} + +/* * Take a look at the first request on the ccw queue and check * if it needs to be started. */ @@ -1876,13 +1903,8 @@ static void __dasd_device_start_head(struct dasd_device *device) cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, devlist); if (cqr->status != DASD_CQR_QUEUED) return; - /* when device is stopped, return request to previous layer - * exception: only the disconnect or unresumed bits are set and the - * cqr is a path verification request - */ - if (device->stopped && - !(!(device->stopped & ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM)) - && test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags))) { + /* if device is not usable return request to upper layer */ + if (__dasd_device_is_unusable(device, cqr)) { cqr->intrc = -EAGAIN; cqr->status = DASD_CQR_CLEARED; dasd_schedule_device_bh(device); diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index a2597e6..ee3a6fa 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -699,7 +699,8 @@ struct dasd_device *dasd_alias_get_start_dev(struct dasd_device *base_device) struct dasd_device, alias_list); spin_unlock_irqrestore(&lcu->lock, flags); alias_priv = (struct dasd_eckd_private *) alias_device->private; - if ((alias_priv->count < private->count) && !alias_device->stopped) + if ((alias_priv->count < private->count) && !alias_device->stopped && + !test_bit(DASD_FLAG_OFFLINE, &alias_device->flags)) return alias_device; else return NULL; diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index aeed796..7bc6df3 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -7,6 +7,7 @@ #define KMSG_COMPONENT "sclp_early" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/errno.h> #include <asm/ctl_reg.h> #include <asm/sclp.h> #include <asm/ipl.h> diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 08f1830..01bf1f5 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -54,6 +54,10 @@ MODULE_DESCRIPTION("Cryptographic Coprocessor interface, " \ "Copyright IBM Corp. 2001, 2012"); MODULE_LICENSE("GPL"); +static int zcrypt_hwrng_seed = 1; +module_param_named(hwrng_seed, zcrypt_hwrng_seed, int, S_IRUSR|S_IRGRP); +MODULE_PARM_DESC(hwrng_seed, "Turn on/off hwrng auto seed, default is 1 (on)."); + static DEFINE_SPINLOCK(zcrypt_device_lock); static LIST_HEAD(zcrypt_device_list); static int zcrypt_device_count = 0; @@ -1373,6 +1377,7 @@ static int zcrypt_rng_data_read(struct hwrng *rng, u32 *data) static struct hwrng zcrypt_rng_dev = { .name = "zcrypt", .data_read = zcrypt_rng_data_read, + .quality = 990, }; static int zcrypt_rng_device_add(void) @@ -1387,6 +1392,8 @@ static int zcrypt_rng_device_add(void) goto out; } zcrypt_rng_buffer_index = 0; + if (!zcrypt_hwrng_seed) + zcrypt_rng_dev.quality = 0; rc = hwrng_register(&zcrypt_rng_dev); if (rc) goto out_free; diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index a85292b..e3cd3ec 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -203,7 +203,7 @@ static ssize_t srp_show_tmo(char *buf, int tmo) return tmo >= 0 ? sprintf(buf, "%d\n", tmo) : sprintf(buf, "off\n"); } -static int srp_parse_tmo(int *tmo, const char *buf) +int srp_parse_tmo(int *tmo, const char *buf) { int res = 0; @@ -214,6 +214,7 @@ static int srp_parse_tmo(int *tmo, const char *buf) return res; } +EXPORT_SYMBOL(srp_parse_tmo); static ssize_t show_reconnect_delay(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/fs/jfs/file.c b/fs/jfs/file.c index e98d39d..b9dc23c 100644 --- a/fs/jfs/file.c +++ b/fs/jfs/file.c @@ -76,7 +76,7 @@ static int jfs_open(struct inode *inode, struct file *file) if (ji->active_ag == -1) { struct jfs_sb_info *jfs_sb = JFS_SBI(inode->i_sb); ji->active_ag = BLKTOAG(addressPXD(&ji->ixpxd), jfs_sb); - atomic_inc( &jfs_sb->bmap->db_active[ji->active_ag]); + atomic_inc(&jfs_sb->bmap->db_active[ji->active_ag]); } spin_unlock_irq(&ji->ag_lock); } diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 6f1cb2b..41aa3ca 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -134,11 +134,11 @@ int jfs_write_inode(struct inode *inode, struct writeback_control *wbc) * It has been committed since the last change, but was still * on the dirty inode list. */ - if (!test_cflag(COMMIT_Dirty, inode)) { + if (!test_cflag(COMMIT_Dirty, inode)) { /* Make sure committed changes hit the disk */ jfs_flush_journal(JFS_SBI(inode->i_sb)->log, wait); return 0; - } + } if (jfs_commit_inode(inode, wait)) { jfs_err("jfs_write_inode: jfs_commit_inode failed!"); diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index e33be92..a5ac97b 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -1160,7 +1160,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, rc = dtModify(tid, new_dir, &new_dname, &ino, old_ip->i_ino, JFS_RENAME); if (rc) - goto out4; + goto out_tx; drop_nlink(new_ip); if (S_ISDIR(new_ip->i_mode)) { drop_nlink(new_ip); @@ -1185,7 +1185,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if ((new_size = commitZeroLink(tid, new_ip)) < 0) { txAbort(tid, 1); /* Marks FS Dirty */ rc = new_size; - goto out4; + goto out_tx; } tblk = tid_to_tblock(tid); tblk->xflag |= COMMIT_DELETE; @@ -1203,7 +1203,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (rc) { jfs_err("jfs_rename didn't expect dtSearch to fail " "w/rc = %d", rc); - goto out4; + goto out_tx; } ino = old_ip->i_ino; @@ -1211,7 +1211,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (rc) { if (rc == -EIO) jfs_err("jfs_rename: dtInsert returned -EIO"); - goto out4; + goto out_tx; } if (S_ISDIR(old_ip->i_mode)) inc_nlink(new_dir); @@ -1226,7 +1226,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, jfs_err("jfs_rename did not expect dtDelete to return rc = %d", rc); txAbort(tid, 1); /* Marks Filesystem dirty */ - goto out4; + goto out_tx; } if (S_ISDIR(old_ip->i_mode)) { drop_nlink(old_dir); @@ -1285,7 +1285,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, rc = txCommit(tid, ipcount, iplist, commit_flag); - out4: + out_tx: txEnd(tid); if (new_ip) mutex_unlock(&JFS_IP(new_ip)->commit_mutex); @@ -1308,13 +1308,6 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, } if (new_ip && (new_ip->i_nlink == 0)) set_cflag(COMMIT_Nolink, new_ip); - out3: - free_UCSname(&new_dname); - out2: - free_UCSname(&old_dname); - out1: - if (new_ip && !S_ISDIR(new_ip->i_mode)) - IWRITE_UNLOCK(new_ip); /* * Truncating the directory index table is not guaranteed. It * may need to be done iteratively @@ -1325,7 +1318,13 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, clear_cflag(COMMIT_Stale, old_dir); } - + if (new_ip && !S_ISDIR(new_ip->i_mode)) + IWRITE_UNLOCK(new_ip); + out3: + free_UCSname(&new_dname); + out2: + free_UCSname(&old_dname); + out1: jfs_info("jfs_rename: returning %d", rc); return rc; } @@ -862,12 +862,11 @@ static int posix_locks_deadlock(struct file_lock *caller_fl, * whether or not a lock was successfully freed by testing the return * value for -ENOENT. */ -static int flock_lock_file(struct file *filp, struct file_lock *request) +static int flock_lock_inode(struct inode *inode, struct file_lock *request) { struct file_lock *new_fl = NULL; struct file_lock *fl; struct file_lock_context *ctx; - struct inode *inode = file_inode(filp); int error = 0; bool found = false; LIST_HEAD(dispose); @@ -890,7 +889,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request) goto find_conflict; list_for_each_entry(fl, &ctx->flc_flock, fl_list) { - if (filp != fl->fl_file) + if (request->fl_file != fl->fl_file) continue; if (request->fl_type == fl->fl_type) goto out; @@ -1164,20 +1163,19 @@ int posix_lock_file(struct file *filp, struct file_lock *fl, EXPORT_SYMBOL(posix_lock_file); /** - * posix_lock_file_wait - Apply a POSIX-style lock to a file - * @filp: The file to apply the lock to + * posix_lock_inode_wait - Apply a POSIX-style lock to a file + * @inode: inode of file to which lock request should be applied * @fl: The lock to be applied * - * Add a POSIX style lock to a file. - * We merge adjacent & overlapping locks whenever possible. - * POSIX locks are sorted by owner task, then by starting address + * Variant of posix_lock_file_wait that does not take a filp, and so can be + * used after the filp has already been torn down. */ -int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl) { int error; might_sleep (); for (;;) { - error = posix_lock_file(filp, fl, NULL); + error = __posix_lock_file(inode, fl, NULL); if (error != FILE_LOCK_DEFERRED) break; error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); @@ -1189,7 +1187,7 @@ int posix_lock_file_wait(struct file *filp, struct file_lock *fl) } return error; } -EXPORT_SYMBOL(posix_lock_file_wait); +EXPORT_SYMBOL(posix_lock_inode_wait); /** * locks_mandatory_locked - Check for an active lock @@ -1851,18 +1849,18 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg) } /** - * flock_lock_file_wait - Apply a FLOCK-style lock to a file - * @filp: The file to apply the lock to + * flock_lock_inode_wait - Apply a FLOCK-style lock to a file + * @inode: inode of the file to apply to * @fl: The lock to be applied * - * Add a FLOCK style lock to a file. + * Apply a FLOCK style lock request to an inode. */ -int flock_lock_file_wait(struct file *filp, struct file_lock *fl) +int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl) { int error; might_sleep(); for (;;) { - error = flock_lock_file(filp, fl); + error = flock_lock_inode(inode, fl); if (error != FILE_LOCK_DEFERRED) break; error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); @@ -1874,8 +1872,7 @@ int flock_lock_file_wait(struct file *filp, struct file_lock *fl) } return error; } - -EXPORT_SYMBOL(flock_lock_file_wait); +EXPORT_SYMBOL(flock_lock_inode_wait); /** * sys_flock: - flock() system call. @@ -2401,7 +2398,8 @@ locks_remove_flock(struct file *filp) .fl_type = F_UNLCK, .fl_end = OFFSET_MAX, }; - struct file_lock_context *flctx = file_inode(filp)->i_flctx; + struct inode *inode = file_inode(filp); + struct file_lock_context *flctx = inode->i_flctx; if (list_empty(&flctx->flc_flock)) return; @@ -2409,7 +2407,7 @@ locks_remove_flock(struct file *filp) if (filp->f_op->flock) filp->f_op->flock(filp, F_SETLKW, &fl); else - flock_lock_file(filp, &fl); + flock_lock_inode(inode, &fl); if (fl.fl_ops && fl.fl_ops->fl_release_private) fl.fl_ops->fl_release_private(&fl); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 6f228b5..8bee934 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5439,15 +5439,15 @@ static int nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock * return err; } -static int do_vfs_lock(struct file *file, struct file_lock *fl) +static int do_vfs_lock(struct inode *inode, struct file_lock *fl) { int res = 0; switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) { case FL_POSIX: - res = posix_lock_file_wait(file, fl); + res = posix_lock_inode_wait(inode, fl); break; case FL_FLOCK: - res = flock_lock_file_wait(file, fl); + res = flock_lock_inode_wait(inode, fl); break; default: BUG(); @@ -5484,7 +5484,6 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, atomic_inc(&lsp->ls_count); /* Ensure we don't close file until we're done freeing locks! */ p->ctx = get_nfs_open_context(ctx); - get_file(fl->fl_file); memcpy(&p->fl, fl, sizeof(p->fl)); p->server = NFS_SERVER(inode); return p; @@ -5496,7 +5495,6 @@ static void nfs4_locku_release_calldata(void *data) nfs_free_seqid(calldata->arg.seqid); nfs4_put_lock_state(calldata->lsp); put_nfs_open_context(calldata->ctx); - fput(calldata->fl.fl_file); kfree(calldata); } @@ -5509,7 +5507,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data) switch (task->tk_status) { case 0: renew_lease(calldata->server, calldata->timestamp); - do_vfs_lock(calldata->fl.fl_file, &calldata->fl); + do_vfs_lock(calldata->lsp->ls_state->inode, &calldata->fl); if (nfs4_update_lock_stateid(calldata->lsp, &calldata->res.stateid)) break; @@ -5617,7 +5615,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock * mutex_lock(&sp->so_delegreturn_mutex); /* Exclude nfs4_reclaim_open_stateid() - note nesting! */ down_read(&nfsi->rwsem); - if (do_vfs_lock(request->fl_file, request) == -ENOENT) { + if (do_vfs_lock(inode, request) == -ENOENT) { up_read(&nfsi->rwsem); mutex_unlock(&sp->so_delegreturn_mutex); goto out; @@ -5758,7 +5756,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata) data->timestamp); if (data->arg.new_lock) { data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS); - if (do_vfs_lock(data->fl.fl_file, &data->fl) < 0) { + if (do_vfs_lock(lsp->ls_state->inode, &data->fl) < 0) { rpc_restart_call_prepare(task); break; } @@ -6000,7 +5998,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock if (status != 0) goto out; request->fl_flags |= FL_ACCESS; - status = do_vfs_lock(request->fl_file, request); + status = do_vfs_lock(state->inode, request); if (status < 0) goto out; down_read(&nfsi->rwsem); @@ -6008,7 +6006,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock /* Yes: cache locks! */ /* ...but avoid races with delegation recall... */ request->fl_flags = fl_flags & ~FL_SLEEP; - status = do_vfs_lock(request->fl_file, request); + status = do_vfs_lock(state->inode, request); up_read(&nfsi->rwsem); goto out; } diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 58cfab8..1b62d76 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -47,6 +47,7 @@ struct blkcg { struct blkcg_policy_data *pd[BLKCG_MAX_POLS]; + struct list_head all_blkcgs_node; #ifdef CONFIG_CGROUP_WRITEBACK struct list_head cgwb_list; #endif @@ -88,18 +89,12 @@ struct blkg_policy_data { * Policies that need to keep per-blkcg data which is independent * from any request_queue associated to it must specify its size * with the cpd_size field of the blkcg_policy structure and - * embed a blkcg_policy_data in it. blkcg core allocates - * policy-specific per-blkcg structures lazily the first time - * they are actually needed, so it handles them together with - * blkgs. cpd_init() is invoked to let each policy handle - * per-blkcg data. + * embed a blkcg_policy_data in it. cpd_init() is invoked to let + * each policy handle per-blkcg data. */ struct blkcg_policy_data { /* the policy id this per-policy data belongs to */ int plid; - - /* used during policy activation */ - struct list_head alloc_node; }; /* association between a blk cgroup and a request queue */ diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index b6a52a4..51bb653 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -27,10 +27,12 @@ /** * struct can_skb_priv - private additional data inside CAN sk_buffs * @ifindex: ifindex of the first interface the CAN frame appeared on + * @skbcnt: atomic counter to have an unique id together with skb pointer * @cf: align to the following CAN frame at skb->data */ struct can_skb_priv { int ifindex; + int skbcnt; struct can_frame cf[0]; }; diff --git a/include/linux/fs.h b/include/linux/fs.h index a0653e5..cc008c3 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1046,12 +1046,12 @@ extern void locks_remove_file(struct file *); extern void locks_release_private(struct file_lock *); extern void posix_test_lock(struct file *, struct file_lock *); extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *); -extern int posix_lock_file_wait(struct file *, struct file_lock *); +extern int posix_lock_inode_wait(struct inode *, struct file_lock *); extern int posix_unblock_lock(struct file_lock *); extern int vfs_test_lock(struct file *, struct file_lock *); extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl); -extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl); +extern int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl); extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); extern void lease_get_mtime(struct inode *, struct timespec *time); extern int generic_setlease(struct file *, long, struct file_lock **, void **priv); @@ -1137,7 +1137,8 @@ static inline int posix_lock_file(struct file *filp, struct file_lock *fl, return -ENOLCK; } -static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +static inline int posix_lock_inode_wait(struct inode *inode, + struct file_lock *fl) { return -ENOLCK; } @@ -1163,8 +1164,8 @@ static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl) return 0; } -static inline int flock_lock_file_wait(struct file *filp, - struct file_lock *request) +static inline int flock_lock_inode_wait(struct inode *inode, + struct file_lock *request) { return -ENOLCK; } @@ -1202,6 +1203,20 @@ static inline void show_fd_locks(struct seq_file *f, struct file *filp, struct files_struct *files) {} #endif /* !CONFIG_FILE_LOCKING */ +static inline struct inode *file_inode(const struct file *f) +{ + return f->f_inode; +} + +static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +{ + return posix_lock_inode_wait(file_inode(filp), fl); +} + +static inline int flock_lock_file_wait(struct file *filp, struct file_lock *fl) +{ + return flock_lock_inode_wait(file_inode(filp), fl); +} struct fasync_struct { spinlock_t fa_lock; @@ -2011,11 +2026,6 @@ extern void ihold(struct inode * inode); extern void iput(struct inode *); extern int generic_update_time(struct inode *, struct timespec *, int); -static inline struct inode *file_inode(const struct file *f) -{ - return f->f_inode; -} - /* /sys/fs */ extern struct kobject *fs_kobj; diff --git a/include/linux/init.h b/include/linux/init.h index 7c68c36..b449f37 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -282,68 +282,8 @@ void __init parse_early_param(void); void __init parse_early_options(char *cmdline); #endif /* __ASSEMBLY__ */ -/** - * module_init() - driver initialization entry point - * @x: function to be run at kernel boot time or module insertion - * - * module_init() will either be called during do_initcalls() (if - * builtin) or at module insertion time (if a module). There can only - * be one per module. - */ -#define module_init(x) __initcall(x); - -/** - * module_exit() - driver exit entry point - * @x: function to be run when driver is removed - * - * module_exit() will wrap the driver clean-up code - * with cleanup_module() when used with rmmod when - * the driver is a module. If the driver is statically - * compiled into the kernel, module_exit() has no effect. - * There can only be one per module. - */ -#define module_exit(x) __exitcall(x); - #else /* MODULE */ -/* - * In most cases loadable modules do not need custom - * initcall levels. There are still some valid cases where - * a driver may be needed early if built in, and does not - * matter when built as a loadable module. Like bus - * snooping debug drivers. - */ -#define early_initcall(fn) module_init(fn) -#define core_initcall(fn) module_init(fn) -#define core_initcall_sync(fn) module_init(fn) -#define postcore_initcall(fn) module_init(fn) -#define postcore_initcall_sync(fn) module_init(fn) -#define arch_initcall(fn) module_init(fn) -#define subsys_initcall(fn) module_init(fn) -#define subsys_initcall_sync(fn) module_init(fn) -#define fs_initcall(fn) module_init(fn) -#define fs_initcall_sync(fn) module_init(fn) -#define rootfs_initcall(fn) module_init(fn) -#define device_initcall(fn) module_init(fn) -#define device_initcall_sync(fn) module_init(fn) -#define late_initcall(fn) module_init(fn) -#define late_initcall_sync(fn) module_init(fn) - -#define console_initcall(fn) module_init(fn) -#define security_initcall(fn) module_init(fn) - -/* Each module must use one module_init(). */ -#define module_init(initfn) \ - static inline initcall_t __inittest(void) \ - { return initfn; } \ - int init_module(void) __attribute__((alias(#initfn))); - -/* This is only required if you want to be unloadable. */ -#define module_exit(exitfn) \ - static inline exitcall_t __exittest(void) \ - { return exitfn; } \ - void cleanup_module(void) __attribute__((alias(#exitfn))); - #define __setup_param(str, unique_id, fn) /* nothing */ #define __setup(str, func) /* nothing */ #endif @@ -351,24 +291,6 @@ void __init parse_early_options(char *cmdline); /* Data marked not to be saved by software suspend */ #define __nosavedata __section(.data..nosave) -/* This means "can be init if no module support, otherwise module load - may call it." */ -#ifdef CONFIG_MODULES -#define __init_or_module -#define __initdata_or_module -#define __initconst_or_module -#define __INIT_OR_MODULE .text -#define __INITDATA_OR_MODULE .data -#define __INITRODATA_OR_MODULE .section ".rodata","a",%progbits -#else -#define __init_or_module __init -#define __initdata_or_module __initdata -#define __initconst_or_module __initconst -#define __INIT_OR_MODULE __INIT -#define __INITDATA_OR_MODULE __INITDATA -#define __INITRODATA_OR_MODULE __INITRODATA -#endif /*CONFIG_MODULES*/ - #ifdef MODULE #define __exit_p(x) x #else diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9564fd7..05e99b8 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -734,6 +734,24 @@ static inline bool kvm_arch_has_noncoherent_dma(struct kvm *kvm) return false; } #endif +#ifdef __KVM_HAVE_ARCH_ASSIGNED_DEVICE +void kvm_arch_start_assignment(struct kvm *kvm); +void kvm_arch_end_assignment(struct kvm *kvm); +bool kvm_arch_has_assigned_device(struct kvm *kvm); +#else +static inline void kvm_arch_start_assignment(struct kvm *kvm) +{ +} + +static inline void kvm_arch_end_assignment(struct kvm *kvm) +{ +} + +static inline bool kvm_arch_has_assigned_device(struct kvm *kvm) +{ + return false; +} +#endif static inline wait_queue_head_t *kvm_arch_vcpu_wq(struct kvm_vcpu *vcpu) { diff --git a/include/linux/module.h b/include/linux/module.h index d67b193..3a19c79 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -11,6 +11,7 @@ #include <linux/compiler.h> #include <linux/cache.h> #include <linux/kmod.h> +#include <linux/init.h> #include <linux/elf.h> #include <linux/stringify.h> #include <linux/kobject.h> @@ -71,6 +72,89 @@ extern struct module_attribute module_uevent; extern int init_module(void); extern void cleanup_module(void); +#ifndef MODULE +/** + * module_init() - driver initialization entry point + * @x: function to be run at kernel boot time or module insertion + * + * module_init() will either be called during do_initcalls() (if + * builtin) or at module insertion time (if a module). There can only + * be one per module. + */ +#define module_init(x) __initcall(x); + +/** + * module_exit() - driver exit entry point + * @x: function to be run when driver is removed + * + * module_exit() will wrap the driver clean-up code + * with cleanup_module() when used with rmmod when + * the driver is a module. If the driver is statically + * compiled into the kernel, module_exit() has no effect. + * There can only be one per module. + */ +#define module_exit(x) __exitcall(x); + +#else /* MODULE */ + +/* + * In most cases loadable modules do not need custom + * initcall levels. There are still some valid cases where + * a driver may be needed early if built in, and does not + * matter when built as a loadable module. Like bus + * snooping debug drivers. + */ +#define early_initcall(fn) module_init(fn) +#define core_initcall(fn) module_init(fn) +#define core_initcall_sync(fn) module_init(fn) +#define postcore_initcall(fn) module_init(fn) +#define postcore_initcall_sync(fn) module_init(fn) +#define arch_initcall(fn) module_init(fn) +#define subsys_initcall(fn) module_init(fn) +#define subsys_initcall_sync(fn) module_init(fn) +#define fs_initcall(fn) module_init(fn) +#define fs_initcall_sync(fn) module_init(fn) +#define rootfs_initcall(fn) module_init(fn) +#define device_initcall(fn) module_init(fn) +#define device_initcall_sync(fn) module_init(fn) +#define late_initcall(fn) module_init(fn) +#define late_initcall_sync(fn) module_init(fn) + +#define console_initcall(fn) module_init(fn) +#define security_initcall(fn) module_init(fn) + +/* Each module must use one module_init(). */ +#define module_init(initfn) \ + static inline initcall_t __inittest(void) \ + { return initfn; } \ + int init_module(void) __attribute__((alias(#initfn))); + +/* This is only required if you want to be unloadable. */ +#define module_exit(exitfn) \ + static inline exitcall_t __exittest(void) \ + { return exitfn; } \ + void cleanup_module(void) __attribute__((alias(#exitfn))); + +#endif + +/* This means "can be init if no module support, otherwise module load + may call it." */ +#ifdef CONFIG_MODULES +#define __init_or_module +#define __initdata_or_module +#define __initconst_or_module +#define __INIT_OR_MODULE .text +#define __INITDATA_OR_MODULE .data +#define __INITRODATA_OR_MODULE .section ".rodata","a",%progbits +#else +#define __init_or_module __init +#define __initdata_or_module __initdata +#define __initconst_or_module __initconst +#define __INIT_OR_MODULE __INIT +#define __INITDATA_OR_MODULE __INITDATA +#define __INITRODATA_OR_MODULE __INITRODATA +#endif /*CONFIG_MODULES*/ + /* Archs provide a method of finding the correct exception table. */ struct exception_table_entry; diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 7c9b484..1f6526c 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -80,6 +80,9 @@ #define CDC_NCM_TIMER_INTERVAL_MIN 5UL #define CDC_NCM_TIMER_INTERVAL_MAX (U32_MAX / NSEC_PER_USEC) +/* Driver flags */ +#define CDC_NCM_FLAG_NDP_TO_END 0x02 /* NDP is placed at end of frame */ + #define cdc_ncm_comm_intf_is_mbim(x) ((x)->desc.bInterfaceSubClass == USB_CDC_SUBCLASS_MBIM && \ (x)->desc.bInterfaceProtocol == USB_CDC_PROTO_NONE) #define cdc_ncm_data_intf_is_mbim(x) ((x)->desc.bInterfaceProtocol == USB_CDC_MBIM_PROTO_NTB) @@ -103,9 +106,11 @@ struct cdc_ncm_ctx { spinlock_t mtx; atomic_t stop; + int drvflags; u32 timer_interval; u32 max_ndp_size; + struct usb_cdc_ncm_ndp16 *delayed_ndp16; u32 tx_timer_pending; u32 tx_curr_frame_num; @@ -133,7 +138,7 @@ struct cdc_ncm_ctx { }; u8 cdc_ncm_select_altsetting(struct usb_interface *intf); -int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); +int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags); void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 986fddb..b0f898e 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1745,6 +1745,7 @@ struct ib_device { char node_desc[64]; __be64 node_guid; u32 local_dma_lkey; + u16 is_switch:1; u8 node_type; u8 phys_port_cnt; @@ -1824,6 +1825,20 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num); /** + * rdma_cap_ib_switch - Check if the device is IB switch + * @device: Device to check + * + * Device driver is responsible for setting is_switch bit on + * in ib_device structure at init time. + * + * Return: true if the device is IB switch. + */ +static inline bool rdma_cap_ib_switch(const struct ib_device *device) +{ + return device->is_switch; +} + +/** * rdma_start_port - Return the first valid port number for the device * specified * @@ -1833,7 +1848,7 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, */ static inline u8 rdma_start_port(const struct ib_device *device) { - return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1; + return rdma_cap_ib_switch(device) ? 0 : 1; } /** @@ -1846,8 +1861,7 @@ static inline u8 rdma_start_port(const struct ib_device *device) */ static inline u8 rdma_end_port(const struct ib_device *device) { - return (device->node_type == RDMA_NODE_IB_SWITCH) ? - 0 : device->phys_port_cnt; + return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt; } static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num) diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h index cdb05dd1..d40d3ef 100644 --- a/include/scsi/scsi_transport_srp.h +++ b/include/scsi/scsi_transport_srp.h @@ -119,6 +119,7 @@ extern struct srp_rport *srp_rport_add(struct Scsi_Host *, extern void srp_rport_del(struct srp_rport *); extern int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, int dev_loss_tmo); +int srp_parse_tmo(int *tmo, const char *buf); extern int srp_reconnect_rport(struct srp_rport *rport); extern void srp_start_tl_fail_timers(struct srp_rport *rport); extern void srp_remove_host(struct Scsi_Host *); diff --git a/include/uapi/linux/netconf.h b/include/uapi/linux/netconf.h index 669a1f0..23cbd34 100644 --- a/include/uapi/linux/netconf.h +++ b/include/uapi/linux/netconf.h @@ -15,6 +15,7 @@ enum { NETCONFA_RP_FILTER, NETCONFA_MC_FORWARDING, NETCONFA_PROXY_NEIGH, + NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, __NETCONFA_MAX }; #define NETCONFA_MAX (__NETCONFA_MAX - 1) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f060716..74bde81 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -444,6 +444,7 @@ enum { TRACE_CONTROL_BIT, + TRACE_BRANCH_BIT, /* * Abuse of the trace_recursion. * As we need a way to maintain state if we are tracing the function diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index a87b43f..e2e12ad 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -36,9 +36,12 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) struct trace_branch *entry; struct ring_buffer *buffer; unsigned long flags; - int cpu, pc; + int pc; const char *p; + if (current->trace_recursion & TRACE_BRANCH_BIT) + return; + /* * I would love to save just the ftrace_likely_data pointer, but * this code can also be used by modules. Ugly things can happen @@ -49,10 +52,10 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) if (unlikely(!tr)) return; - local_irq_save(flags); - cpu = raw_smp_processor_id(); - data = per_cpu_ptr(tr->trace_buffer.data, cpu); - if (atomic_inc_return(&data->disabled) != 1) + raw_local_irq_save(flags); + current->trace_recursion |= TRACE_BRANCH_BIT; + data = this_cpu_ptr(tr->trace_buffer.data); + if (atomic_read(&data->disabled)) goto out; pc = preempt_count(); @@ -81,8 +84,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) __buffer_unlock_commit(buffer, event); out: - atomic_dec(&data->disabled); - local_irq_restore(flags); + current->trace_recursion &= ~TRACE_BRANCH_BIT; + raw_local_irq_restore(flags); } static inline diff --git a/lib/rhashtable.c b/lib/rhashtable.c index a60a6d3..cc0c697 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -610,6 +610,8 @@ next: iter->skip = 0; } + iter->p = NULL; + /* Ensure we see any new tables. */ smp_rmb(); @@ -620,8 +622,6 @@ next: return ERR_PTR(-EAGAIN); } - iter->p = NULL; - return NULL; } EXPORT_SYMBOL_GPL(rhashtable_walk_next); diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index e97572b..0ff6e1b 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -42,6 +42,7 @@ int br_dev_queue_push_xmit(struct sock *sk, struct sk_buff *skb) } else { skb_push(skb, ETH_HLEN); br_drop_fake_rtable(skb); + skb_sender_cpu_clear(skb); dev_queue_xmit(skb); } diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index e29ad70..c11cf26 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -323,6 +323,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, struct net_bridge_port_group *p; struct net_bridge_port_group __rcu **pp; struct net_bridge_mdb_htable *mdb; + unsigned long now = jiffies; int err; mdb = mlock_dereference(br->mdb, br); @@ -347,6 +348,8 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, if (unlikely(!p)) return -ENOMEM; rcu_assign_pointer(*pp, p); + if (state == MDB_TEMPORARY) + mod_timer(&p->timer, now + br->multicast_membership_interval); br_mdb_notify(br->dev, port, group, RTM_NEWMDB); return 0; @@ -371,6 +374,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, if (!p || p->br != br || p->state == BR_STATE_DISABLED) return -EINVAL; + memset(&ip, 0, sizeof(ip)); ip.proto = entry->addr.proto; if (ip.proto == htons(ETH_P_IP)) ip.u.ip4 = entry->addr.u.ip4; @@ -417,20 +421,14 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) if (!netif_running(br->dev) || br->multicast_disabled) return -EINVAL; + memset(&ip, 0, sizeof(ip)); ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) { - if (timer_pending(&br->ip4_other_query.timer)) - return -EBUSY; - + if (ip.proto == htons(ETH_P_IP)) ip.u.ip4 = entry->addr.u.ip4; #if IS_ENABLED(CONFIG_IPV6) - } else { - if (timer_pending(&br->ip6_other_query.timer)) - return -EBUSY; - + else ip.u.ip6 = entry->addr.u.ip6; #endif - } spin_lock_bh(&br->multicast_lock); mdb = mlock_dereference(br->mdb, br); diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index d89f4fa..c8b9bcf 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -111,7 +111,7 @@ static inline __be16 pppoe_proto(const struct sk_buff *skb) /* largest possible L2 header, see br_nf_dev_queue_xmit() */ #define NF_BRIDGE_MAX_MAC_HEADER_LENGTH (PPPOE_SES_HLEN + ETH_HLEN) -#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) || IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) struct brnf_frag_data { char mac[NF_BRIDGE_MAX_MAC_HEADER_LENGTH]; u8 encap_size; @@ -694,6 +694,7 @@ static int br_nf_push_frag_xmit(struct sock *sk, struct sk_buff *skb) } #endif +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) static int br_nf_ip_fragment(struct sock *sk, struct sk_buff *skb, int (*output)(struct sock *, struct sk_buff *)) { @@ -712,6 +713,7 @@ static int br_nf_ip_fragment(struct sock *sk, struct sk_buff *skb, return ip_do_fragment(sk, skb, output); } +#endif static unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb) { @@ -742,7 +744,7 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) struct brnf_frag_data *data; if (br_validate_ipv4(skb)) - return NF_DROP; + goto drop; IPCB(skb)->frag_max_size = nf_bridge->frag_max_size; @@ -767,7 +769,7 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) struct brnf_frag_data *data; if (br_validate_ipv6(skb)) - return NF_DROP; + goto drop; IP6CB(skb)->frag_max_size = nf_bridge->frag_max_size; @@ -782,12 +784,16 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) if (v6ops) return v6ops->fragment(sk, skb, br_nf_push_frag_xmit); - else - return -EMSGSIZE; + + kfree_skb(skb); + return -EMSGSIZE; } #endif nf_bridge_info_free(skb); return br_dev_queue_push_xmit(sk, skb); + drop: + kfree_skb(skb); + return 0; } /* PF_BRIDGE/POST_ROUTING ********************************************/ diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c index 6d12d26..13b7d1e 100644 --- a/net/bridge/br_netfilter_ipv6.c +++ b/net/bridge/br_netfilter_ipv6.c @@ -104,7 +104,7 @@ int br_validate_ipv6(struct sk_buff *skb) { const struct ipv6hdr *hdr; struct net_device *dev = skb->dev; - struct inet6_dev *idev = in6_dev_get(skb->dev); + struct inet6_dev *idev = __in6_dev_get(skb->dev); u32 pkt_len; u8 ip6h_len = sizeof(struct ipv6hdr); diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 6b67ed3..364bdc9 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -457,6 +457,8 @@ static int br_afspec(struct net_bridge *br, if (nla_len(attr) != sizeof(struct bridge_vlan_info)) return -EINVAL; vinfo = nla_data(attr); + if (!vinfo->vid || vinfo->vid >= VLAN_VID_MASK) + return -EINVAL; if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { if (vinfo_start) return -EINVAL; diff --git a/net/can/af_can.c b/net/can/af_can.c index 7933e62..166d436 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -89,6 +89,8 @@ struct timer_list can_stattimer; /* timer for statistics update */ struct s_stats can_stats; /* packet statistics */ struct s_pstats can_pstats; /* receive list statistics */ +static atomic_t skbcounter = ATOMIC_INIT(0); + /* * af_can socket functions */ @@ -310,12 +312,8 @@ int can_send(struct sk_buff *skb, int loop) return err; } - if (newskb) { - if (!(newskb->tstamp.tv64)) - __net_timestamp(newskb); - + if (newskb) netif_rx_ni(newskb); - } /* update statistics */ can_stats.tx_frames++; @@ -683,6 +681,10 @@ static void can_receive(struct sk_buff *skb, struct net_device *dev) can_stats.rx_frames++; can_stats.rx_frames_delta++; + /* create non-zero unique skb identifier together with *skb */ + while (!(can_skb_prv(skb)->skbcnt)) + can_skb_prv(skb)->skbcnt = atomic_inc_return(&skbcounter); + rcu_read_lock(); /* deliver the packet to sockets listening on all devices */ diff --git a/net/can/bcm.c b/net/can/bcm.c index b523453..a1ba687 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -261,6 +261,7 @@ static void bcm_can_tx(struct bcm_op *op) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; memcpy(skb_put(skb, CFSIZ), cf, CFSIZ); @@ -1217,6 +1218,7 @@ static int bcm_tx_send(struct msghdr *msg, int ifindex, struct sock *sk) } can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; skb->dev = dev; can_skb_set_owner(skb, sk); err = can_send(skb, 1); /* send with loopback */ diff --git a/net/can/raw.c b/net/can/raw.c index 31b9748..2e67b14 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -75,7 +75,7 @@ MODULE_ALIAS("can-proto-1"); */ struct uniqframe { - ktime_t tstamp; + int skbcnt; const struct sk_buff *skb; unsigned int join_rx_count; }; @@ -133,7 +133,7 @@ static void raw_rcv(struct sk_buff *oskb, void *data) /* eliminate multiple filter matches for the same skb */ if (this_cpu_ptr(ro->uniq)->skb == oskb && - ktime_equal(this_cpu_ptr(ro->uniq)->tstamp, oskb->tstamp)) { + this_cpu_ptr(ro->uniq)->skbcnt == can_skb_prv(oskb)->skbcnt) { if (ro->join_filters) { this_cpu_inc(ro->uniq->join_rx_count); /* drop frame until all enabled filters matched */ @@ -144,7 +144,7 @@ static void raw_rcv(struct sk_buff *oskb, void *data) } } else { this_cpu_ptr(ro->uniq)->skb = oskb; - this_cpu_ptr(ro->uniq)->tstamp = oskb->tstamp; + this_cpu_ptr(ro->uniq)->skbcnt = can_skb_prv(oskb)->skbcnt; this_cpu_ptr(ro->uniq)->join_rx_count = 1; /* drop first frame to check all enabled filters? */ if (ro->join_filters && ro->count > 1) @@ -749,6 +749,7 @@ static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err < 0) diff --git a/net/core/dev.c b/net/core/dev.c index 6778a99..a8e4dd4 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -677,10 +677,6 @@ int dev_get_iflink(const struct net_device *dev) if (dev->netdev_ops && dev->netdev_ops->ndo_get_iflink) return dev->netdev_ops->ndo_get_iflink(dev); - /* If dev->rtnl_link_ops is set, it's a virtual interface. */ - if (dev->rtnl_link_ops) - return 0; - return dev->ifindex; } EXPORT_SYMBOL(dev_get_iflink); @@ -3452,6 +3448,8 @@ static int enqueue_to_backlog(struct sk_buff *skb, int cpu, local_irq_save(flags); rps_lock(sd); + if (!netif_running(skb->dev)) + goto drop; qlen = skb_queue_len(&sd->input_pkt_queue); if (qlen <= netdev_max_backlog && !skb_flow_limit(skb, qlen)) { if (qlen) { @@ -3473,6 +3471,7 @@ enqueue: goto enqueue; } +drop: sd->dropped++; rps_unlock(sd); @@ -3775,8 +3774,6 @@ static int __netif_receive_skb_core(struct sk_buff *skb, bool pfmemalloc) pt_prev = NULL; - rcu_read_lock(); - another_round: skb->skb_iif = skb->dev->ifindex; @@ -3786,7 +3783,7 @@ another_round: skb->protocol == cpu_to_be16(ETH_P_8021AD)) { skb = skb_vlan_untag(skb); if (unlikely(!skb)) - goto unlock; + goto out; } #ifdef CONFIG_NET_CLS_ACT @@ -3816,10 +3813,10 @@ skip_taps: if (static_key_false(&ingress_needed)) { skb = handle_ing(skb, &pt_prev, &ret, orig_dev); if (!skb) - goto unlock; + goto out; if (nf_ingress(skb, &pt_prev, &ret, orig_dev) < 0) - goto unlock; + goto out; } #endif #ifdef CONFIG_NET_CLS_ACT @@ -3837,7 +3834,7 @@ ncls: if (vlan_do_receive(&skb)) goto another_round; else if (unlikely(!skb)) - goto unlock; + goto out; } rx_handler = rcu_dereference(skb->dev->rx_handler); @@ -3849,7 +3846,7 @@ ncls: switch (rx_handler(&skb)) { case RX_HANDLER_CONSUMED: ret = NET_RX_SUCCESS; - goto unlock; + goto out; case RX_HANDLER_ANOTHER: goto another_round; case RX_HANDLER_EXACT: @@ -3903,8 +3900,7 @@ drop: ret = NET_RX_DROP; } -unlock: - rcu_read_unlock(); +out: return ret; } @@ -3935,29 +3931,30 @@ static int __netif_receive_skb(struct sk_buff *skb) static int netif_receive_skb_internal(struct sk_buff *skb) { + int ret; + net_timestamp_check(netdev_tstamp_prequeue, skb); if (skb_defer_rx_timestamp(skb)) return NET_RX_SUCCESS; + rcu_read_lock(); + #ifdef CONFIG_RPS if (static_key_false(&rps_needed)) { struct rps_dev_flow voidflow, *rflow = &voidflow; - int cpu, ret; - - rcu_read_lock(); - - cpu = get_rps_cpu(skb->dev, skb, &rflow); + int cpu = get_rps_cpu(skb->dev, skb, &rflow); if (cpu >= 0) { ret = enqueue_to_backlog(skb, cpu, &rflow->last_qtail); rcu_read_unlock(); return ret; } - rcu_read_unlock(); } #endif - return __netif_receive_skb(skb); + ret = __netif_receive_skb(skb); + rcu_read_unlock(); + return ret; } /** @@ -4502,8 +4499,10 @@ static int process_backlog(struct napi_struct *napi, int quota) struct sk_buff *skb; while ((skb = __skb_dequeue(&sd->process_queue))) { + rcu_read_lock(); local_irq_enable(); __netif_receive_skb(skb); + rcu_read_unlock(); local_irq_disable(); input_queue_head_incr(sd); if (++work >= quota) { @@ -6139,6 +6138,7 @@ static void rollback_registered_many(struct list_head *head) unlist_netdevice(dev); dev->reg_state = NETREG_UNREGISTERING; + on_each_cpu(flush_backlog, dev, 1); } synchronize_net(); @@ -6409,7 +6409,8 @@ static int netif_alloc_netdev_queues(struct net_device *dev) struct netdev_queue *tx; size_t sz = count * sizeof(*tx); - BUG_ON(count < 1 || count > 0xffff); + if (count < 1 || count > 0xffff) + return -EINVAL; tx = kzalloc(sz, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); if (!tx) { @@ -6773,8 +6774,6 @@ void netdev_run_todo(void) dev->reg_state = NETREG_UNREGISTERED; - on_each_cpu(flush_backlog, dev, 1); - netdev_wait_allrefs(dev); /* paranoia */ diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c index 9dfb88a..92d886f 100644 --- a/net/core/gen_estimator.c +++ b/net/core/gen_estimator.c @@ -66,7 +66,7 @@ NOTES. - * avbps is scaled by 2^5, avpps is scaled by 2^10. + * avbps and avpps are scaled by 2^5. * both values are reported as 32 bit unsigned values. bps can overflow for fast links : max speed being 34360Mbit/sec * Minimal interval is HZ/4=250msec (it is the greatest common divisor @@ -85,10 +85,10 @@ struct gen_estimator struct gnet_stats_rate_est64 *rate_est; spinlock_t *stats_lock; int ewma_log; + u32 last_packets; + unsigned long avpps; u64 last_bytes; u64 avbps; - u32 last_packets; - u32 avpps; struct rcu_head e_rcu; struct rb_node node; struct gnet_stats_basic_cpu __percpu *cpu_bstats; @@ -118,8 +118,8 @@ static void est_timer(unsigned long arg) rcu_read_lock(); list_for_each_entry_rcu(e, &elist[idx].list, list) { struct gnet_stats_basic_packed b = {0}; + unsigned long rate; u64 brate; - u32 rate; spin_lock(e->stats_lock); read_lock(&est_lock); @@ -133,10 +133,11 @@ static void est_timer(unsigned long arg) e->avbps += (brate >> e->ewma_log) - (e->avbps >> e->ewma_log); e->rate_est->bps = (e->avbps+0xF)>>5; - rate = (b.packets - e->last_packets)<<(12 - idx); + rate = b.packets - e->last_packets; + rate <<= (7 - idx); e->last_packets = b.packets; e->avpps += (rate >> e->ewma_log) - (e->avpps >> e->ewma_log); - e->rate_est->pps = (e->avpps+0x1FF)>>10; + e->rate_est->pps = (e->avpps + 0xF) >> 5; skip: read_unlock(&est_lock); spin_unlock(e->stats_lock); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 05badbb..1ebdf1c 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3571,13 +3571,6 @@ static int pktgen_thread_worker(void *arg) pr_debug("%s removing thread\n", t->tsk->comm); pktgen_rem_thread(t); - /* Wait for kthread_stop */ - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } - __set_current_state(TASK_RUNNING); - return 0; } @@ -3769,6 +3762,7 @@ static int __net_init pktgen_create_thread(int cpu, struct pktgen_net *pn) } t->net = pn; + get_task_struct(p); wake_up_process(p); wait_for_completion(&t->start_done); @@ -3891,6 +3885,7 @@ static void __net_exit pg_net_exit(struct net *net) t = list_entry(q, struct pktgen_thread, th_list); list_del(&t->th_list); kthread_stop(t->tsk); + put_task_struct(t->tsk); kfree(t); } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 01ced4a..9e433d5 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1328,10 +1328,6 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = { [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED }, }; -static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = { - [IFLA_VF_INFO] = { .type = NLA_NESTED }, -}; - static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = { [IFLA_VF_MAC] = { .len = sizeof(struct ifla_vf_mac) }, [IFLA_VF_VLAN] = { .len = sizeof(struct ifla_vf_vlan) }, @@ -1488,96 +1484,98 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[]) return 0; } -static int do_setvfinfo(struct net_device *dev, struct nlattr *attr) +static int do_setvfinfo(struct net_device *dev, struct nlattr **tb) { - int rem, err = -EINVAL; - struct nlattr *vf; const struct net_device_ops *ops = dev->netdev_ops; + int err = -EINVAL; - nla_for_each_nested(vf, attr, rem) { - switch (nla_type(vf)) { - case IFLA_VF_MAC: { - struct ifla_vf_mac *ivm; - ivm = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_mac) - err = ops->ndo_set_vf_mac(dev, ivm->vf, - ivm->mac); - break; - } - case IFLA_VF_VLAN: { - struct ifla_vf_vlan *ivv; - ivv = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_vlan) - err = ops->ndo_set_vf_vlan(dev, ivv->vf, - ivv->vlan, - ivv->qos); - break; - } - case IFLA_VF_TX_RATE: { - struct ifla_vf_tx_rate *ivt; - struct ifla_vf_info ivf; - ivt = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_get_vf_config) - err = ops->ndo_get_vf_config(dev, ivt->vf, - &ivf); - if (err) - break; - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rate) - err = ops->ndo_set_vf_rate(dev, ivt->vf, - ivf.min_tx_rate, - ivt->rate); - break; - } - case IFLA_VF_RATE: { - struct ifla_vf_rate *ivt; - ivt = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rate) - err = ops->ndo_set_vf_rate(dev, ivt->vf, - ivt->min_tx_rate, - ivt->max_tx_rate); - break; - } - case IFLA_VF_SPOOFCHK: { - struct ifla_vf_spoofchk *ivs; - ivs = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_spoofchk) - err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, - ivs->setting); - break; - } - case IFLA_VF_LINK_STATE: { - struct ifla_vf_link_state *ivl; - ivl = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_link_state) - err = ops->ndo_set_vf_link_state(dev, ivl->vf, - ivl->link_state); - break; - } - case IFLA_VF_RSS_QUERY_EN: { - struct ifla_vf_rss_query_en *ivrssq_en; + if (tb[IFLA_VF_MAC]) { + struct ifla_vf_mac *ivm = nla_data(tb[IFLA_VF_MAC]); - ivrssq_en = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rss_query_en) - err = ops->ndo_set_vf_rss_query_en(dev, - ivrssq_en->vf, - ivrssq_en->setting); - break; - } - default: - err = -EINVAL; - break; - } - if (err) - break; + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_mac) + err = ops->ndo_set_vf_mac(dev, ivm->vf, + ivm->mac); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_VLAN]) { + struct ifla_vf_vlan *ivv = nla_data(tb[IFLA_VF_VLAN]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_vlan) + err = ops->ndo_set_vf_vlan(dev, ivv->vf, ivv->vlan, + ivv->qos); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_TX_RATE]) { + struct ifla_vf_tx_rate *ivt = nla_data(tb[IFLA_VF_TX_RATE]); + struct ifla_vf_info ivf; + + err = -EOPNOTSUPP; + if (ops->ndo_get_vf_config) + err = ops->ndo_get_vf_config(dev, ivt->vf, &ivf); + if (err < 0) + return err; + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_rate) + err = ops->ndo_set_vf_rate(dev, ivt->vf, + ivf.min_tx_rate, + ivt->rate); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_RATE]) { + struct ifla_vf_rate *ivt = nla_data(tb[IFLA_VF_RATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_rate) + err = ops->ndo_set_vf_rate(dev, ivt->vf, + ivt->min_tx_rate, + ivt->max_tx_rate); + if (err < 0) + return err; } + + if (tb[IFLA_VF_SPOOFCHK]) { + struct ifla_vf_spoofchk *ivs = nla_data(tb[IFLA_VF_SPOOFCHK]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_spoofchk) + err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, + ivs->setting); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_LINK_STATE]) { + struct ifla_vf_link_state *ivl = nla_data(tb[IFLA_VF_LINK_STATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_link_state) + err = ops->ndo_set_vf_link_state(dev, ivl->vf, + ivl->link_state); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_RSS_QUERY_EN]) { + struct ifla_vf_rss_query_en *ivrssq_en; + + err = -EOPNOTSUPP; + ivrssq_en = nla_data(tb[IFLA_VF_RSS_QUERY_EN]); + if (ops->ndo_set_vf_rss_query_en) + err = ops->ndo_set_vf_rss_query_en(dev, ivrssq_en->vf, + ivrssq_en->setting); + if (err < 0) + return err; + } + return err; } @@ -1773,14 +1771,21 @@ static int do_setlink(const struct sk_buff *skb, } if (tb[IFLA_VFINFO_LIST]) { + struct nlattr *vfinfo[IFLA_VF_MAX + 1]; struct nlattr *attr; int rem; + nla_for_each_nested(attr, tb[IFLA_VFINFO_LIST], rem) { - if (nla_type(attr) != IFLA_VF_INFO) { + if (nla_type(attr) != IFLA_VF_INFO || + nla_len(attr) < NLA_HDRLEN) { err = -EINVAL; goto errout; } - err = do_setvfinfo(dev, attr); + err = nla_parse_nested(vfinfo, IFLA_VF_MAX, attr, + ifla_vf_policy); + if (err < 0) + goto errout; + err = do_setvfinfo(dev, vfinfo); if (err < 0) goto errout; status |= DO_SETLINK_NOTIFY; diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 392e29a..b445d49 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -630,7 +630,7 @@ static int dsa_of_probe(struct device *dev) continue; cd->sw_addr = be32_to_cpup(sw_addr); - if (cd->sw_addr > PHY_MAX_ADDR) + if (cd->sw_addr >= PHY_MAX_ADDR) continue; if (!of_property_read_u32(child, "eeprom-length", &eeprom_len)) @@ -642,6 +642,8 @@ static int dsa_of_probe(struct device *dev) continue; port_index = be32_to_cpup(port_reg); + if (port_index >= DSA_MAX_PORTS) + break; port_name = of_get_property(port, "label", NULL); if (!port_name) @@ -666,8 +668,6 @@ static int dsa_of_probe(struct device *dev) goto out_free_chip; } - if (port_index == DSA_MAX_PORTS) - break; } } diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 7498716..e813196 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1740,6 +1740,8 @@ static int inet_netconf_msgsize_devconf(int type) size += nla_total_size(4); if (type == -1 || type == NETCONFA_PROXY_NEIGH) size += nla_total_size(4); + if (type == -1 || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN) + size += nla_total_size(4); return size; } @@ -1780,6 +1782,10 @@ static int inet_netconf_fill_devconf(struct sk_buff *skb, int ifindex, nla_put_s32(skb, NETCONFA_PROXY_NEIGH, IPV4_DEVCONF(*devconf, PROXY_ARP)) < 0) goto nla_put_failure; + if ((type == -1 || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN) && + nla_put_s32(skb, NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, + IPV4_DEVCONF(*devconf, IGNORE_ROUTES_WITH_LINKDOWN)) < 0) + goto nla_put_failure; nlmsg_end(skb, nlh); return 0; @@ -1819,6 +1825,7 @@ static const struct nla_policy devconf_ipv4_policy[NETCONFA_MAX+1] = { [NETCONFA_FORWARDING] = { .len = sizeof(int) }, [NETCONFA_RP_FILTER] = { .len = sizeof(int) }, [NETCONFA_PROXY_NEIGH] = { .len = sizeof(int) }, + [NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN] = { .len = sizeof(int) }, }; static int inet_netconf_get_devconf(struct sk_buff *in_skb, @@ -2048,6 +2055,12 @@ static int devinet_conf_proc(struct ctl_table *ctl, int write, inet_netconf_notify_devconf(net, NETCONFA_PROXY_NEIGH, ifindex, cnf); } + if (i == IPV4_DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN - 1 && + new_value != old_value) { + ifindex = devinet_conf_ifindex(net, cnf); + inet_netconf_notify_devconf(net, NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, + ifindex, cnf); + } } return ret; diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 9bc2667..c3b1f3a 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -152,8 +152,8 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, inet6_sk(sk)->tclass) < 0) goto errout; - if (ipv6_only_sock(sk) && - nla_put_u8(skb, INET_DIAG_SKV6ONLY, 1)) + if (((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) && + nla_put_u8(skb, INET_DIAG_SKV6ONLY, ipv6_only_sock(sk))) goto errout; } #endif diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 4c2c3ba..626d9e5 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -586,7 +586,8 @@ int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, EXPORT_SYMBOL(ip_tunnel_encap); static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, - struct rtable *rt, __be16 df) + struct rtable *rt, __be16 df, + const struct iphdr *inner_iph) { struct ip_tunnel *tunnel = netdev_priv(dev); int pkt_size = skb->len - tunnel->hlen - dev->hard_header_len; @@ -603,7 +604,8 @@ static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, if (skb->protocol == htons(ETH_P_IP)) { if (!skb_is_gso(skb) && - (df & htons(IP_DF)) && mtu < pkt_size) { + (inner_iph->frag_off & htons(IP_DF)) && + mtu < pkt_size) { memset(IPCB(skb), 0, sizeof(*IPCB(skb))); icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); return -E2BIG; @@ -737,7 +739,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, goto tx_error; } - if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off)) { + if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph)) { ip_rt_put(rt); goto tx_error; } diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 95c9b6e..92305a1 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -254,9 +254,10 @@ unsigned int arpt_do_table(struct sk_buff *skb, static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); unsigned int verdict = NF_DROP; const struct arphdr *arp; - struct arpt_entry *e, *back; + struct arpt_entry *e, **jumpstack; const char *indev, *outdev; const void *table_base; + unsigned int cpu, stackidx = 0; const struct xt_table_info *private; struct xt_action_param acpar; unsigned int addend; @@ -270,15 +271,16 @@ unsigned int arpt_do_table(struct sk_buff *skb, local_bh_disable(); addend = xt_write_recseq_begin(); private = table->private; + cpu = smp_processor_id(); /* * Ensure we load private-> members after we've fetched the base * pointer. */ smp_read_barrier_depends(); table_base = private->entries; + jumpstack = (struct arpt_entry **)private->jumpstack[cpu]; e = get_entry(table_base, private->hook_entry[hook]); - back = get_entry(table_base, private->underflow[hook]); acpar.in = state->in; acpar.out = state->out; @@ -312,18 +314,23 @@ unsigned int arpt_do_table(struct sk_buff *skb, verdict = (unsigned int)(-v) - 1; break; } - e = back; - back = get_entry(table_base, back->comefrom); + if (stackidx == 0) { + e = get_entry(table_base, + private->underflow[hook]); + } else { + e = jumpstack[--stackidx]; + e = arpt_next_entry(e); + } continue; } if (table_base + v != arpt_next_entry(e)) { - /* Save old back ptr in next entry */ - struct arpt_entry *next = arpt_next_entry(e); - next->comefrom = (void *)back - table_base; - /* set back pointer to next entry */ - back = next; + if (stackidx >= private->stacksize) { + verdict = NF_DROP; + break; + } + jumpstack[stackidx++] = e; } e = get_entry(table_base, v); diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index f2e464e..57990c9 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -331,10 +331,10 @@ int ip6_mc_input(struct sk_buff *skb) if (offset < 0) goto out; - if (!ipv6_is_mld(skb, nexthdr, offset)) - goto out; + if (ipv6_is_mld(skb, nexthdr, offset)) + deliver = true; - deliver = true; + goto out; } /* unknown RA - process it normally */ } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 1a1122a..6090969 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -369,10 +369,7 @@ static void ip6_dst_destroy(struct dst_entry *dst) struct inet6_dev *idev; dst_destroy_metrics_generic(dst); - - if (rt->rt6i_pcpu) - free_percpu(rt->rt6i_pcpu); - + free_percpu(rt->rt6i_pcpu); rt6_uncached_list_del(rt); idev = rt->rt6i_idev; diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c index cd60d39..8a8b2ab 100644 --- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -213,7 +213,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict) if (verdict == NF_ACCEPT) { next_hook: - verdict = nf_iterate(&nf_hooks[entry->state.pf][entry->state.hook], + verdict = nf_iterate(entry->state.hook_list, skb, &entry->state, &elem); } diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 8b117c9..0c0e8ec 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -269,6 +269,12 @@ static void nfnl_err_deliver(struct list_head *err_list, struct sk_buff *skb) } } +enum { + NFNL_BATCH_FAILURE = (1 << 0), + NFNL_BATCH_DONE = (1 << 1), + NFNL_BATCH_REPLAY = (1 << 2), +}; + static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh, u_int16_t subsys_id) { @@ -276,13 +282,15 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh, struct net *net = sock_net(skb->sk); const struct nfnetlink_subsystem *ss; const struct nfnl_callback *nc; - bool success = true, done = false; static LIST_HEAD(err_list); + u32 status; int err; if (subsys_id >= NFNL_SUBSYS_COUNT) return netlink_ack(skb, nlh, -EINVAL); replay: + status = 0; + skb = netlink_skb_clone(oskb, GFP_KERNEL); if (!skb) return netlink_ack(oskb, nlh, -ENOMEM); @@ -336,10 +344,10 @@ replay: if (type == NFNL_MSG_BATCH_BEGIN) { /* Malformed: Batch begin twice */ nfnl_err_reset(&err_list); - success = false; + status |= NFNL_BATCH_FAILURE; goto done; } else if (type == NFNL_MSG_BATCH_END) { - done = true; + status |= NFNL_BATCH_DONE; goto done; } else if (type < NLMSG_MIN_TYPE) { err = -EINVAL; @@ -382,11 +390,8 @@ replay: * original skb. */ if (err == -EAGAIN) { - nfnl_err_reset(&err_list); - ss->abort(oskb); - nfnl_unlock(subsys_id); - kfree_skb(skb); - goto replay; + status |= NFNL_BATCH_REPLAY; + goto next; } } ack: @@ -402,7 +407,7 @@ ack: */ nfnl_err_reset(&err_list); netlink_ack(skb, nlmsg_hdr(oskb), -ENOMEM); - success = false; + status |= NFNL_BATCH_FAILURE; goto done; } /* We don't stop processing the batch on errors, thus, @@ -410,19 +415,26 @@ ack: * triggers. */ if (err) - success = false; + status |= NFNL_BATCH_FAILURE; } - +next: msglen = NLMSG_ALIGN(nlh->nlmsg_len); if (msglen > skb->len) msglen = skb->len; skb_pull(skb, msglen); } done: - if (success && done) + if (status & NFNL_BATCH_REPLAY) { + ss->abort(oskb); + nfnl_err_reset(&err_list); + nfnl_unlock(subsys_id); + kfree_skb(skb); + goto replay; + } else if (status == NFNL_BATCH_DONE) { ss->commit(oskb); - else + } else { ss->abort(oskb); + } nfnl_err_deliver(&err_list, oskb); nfnl_unlock(subsys_id); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index dea9253..9a0ae71 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -158,7 +158,7 @@ static int __netlink_remove_tap(struct netlink_tap *nt) out: spin_unlock(&netlink_tap_lock); - if (found && nt->module) + if (found) module_put(nt->module); return found ? 0 : -ENODEV; diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 273b8bf..657ba9f 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -759,8 +759,10 @@ void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents, } ibmr = rds_ib_alloc_fmr(rds_ibdev); - if (IS_ERR(ibmr)) + if (IS_ERR(ibmr)) { + rds_ib_dev_put(rds_ibdev); return ibmr; + } ret = rds_ib_map_fmr(rds_ibdev, ibmr, sg, nents); if (ret == 0) diff --git a/net/rds/transport.c b/net/rds/transport.c index 8b4a6cd..83498e1 100644 --- a/net/rds/transport.c +++ b/net/rds/transport.c @@ -73,7 +73,7 @@ EXPORT_SYMBOL_GPL(rds_trans_unregister); void rds_trans_put(struct rds_transport *trans) { - if (trans && trans->t_owner) + if (trans) module_put(trans->t_owner); } diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 84f77a0..9f2add3 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -171,8 +171,10 @@ int switchdev_port_attr_set(struct net_device *dev, struct switchdev_attr *attr) * released. */ - attr->trans = SWITCHDEV_TRANS_ABORT; - __switchdev_port_attr_set(dev, attr); + if (err != -EOPNOTSUPP) { + attr->trans = SWITCHDEV_TRANS_ABORT; + __switchdev_port_attr_set(dev, attr); + } return err; } @@ -249,8 +251,10 @@ int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj) * released. */ - obj->trans = SWITCHDEV_TRANS_ABORT; - __switchdev_port_obj_add(dev, obj); + if (err != -EOPNOTSUPP) { + obj->trans = SWITCHDEV_TRANS_ABORT; + __switchdev_port_obj_add(dev, obj); + } return err; } diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 46b6ed5..3a7567f 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2007,6 +2007,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags) res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, 1); if (res) goto exit; + security_sk_clone(sock->sk, new_sock->sk); new_sk = new_sock->sk; new_tsock = tipc_sk(new_sk); diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c index 620e37f..1dd087d 100644 --- a/virt/kvm/vfio.c +++ b/virt/kvm/vfio.c @@ -155,6 +155,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg) list_add_tail(&kvg->node, &kv->group_list); kvg->vfio_group = vfio_group; + kvm_arch_start_assignment(dev->kvm); + mutex_unlock(&kv->lock); kvm_vfio_update_coherency(dev); @@ -190,6 +192,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg) break; } + kvm_arch_end_assignment(dev->kvm); + mutex_unlock(&kv->lock); kvm_vfio_group_put_external_user(vfio_group); @@ -239,6 +243,7 @@ static void kvm_vfio_destroy(struct kvm_device *dev) kvm_vfio_group_put_external_user(kvg->vfio_group); list_del(&kvg->node); kfree(kvg); + kvm_arch_end_assignment(dev->kvm); } kvm_vfio_update_coherency(dev); |