diff options
Diffstat (limited to 'include')
107 files changed, 1750 insertions, 534 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 78ca429929f7..ff103ba96b78 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -381,7 +381,7 @@ struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); int acpi_disable_wakeup_device_power(struct acpi_device *dev); -#ifdef CONFIG_PM_OPS +#ifdef CONFIG_PM int acpi_pm_device_sleep_state(struct device *, int *); #else static inline int acpi_pm_device_sleep_state(struct device *d, int *p) diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h index 2bcc5c7c22a6..61e03dd7939e 100644 --- a/include/asm-generic/cputime.h +++ b/include/asm-generic/cputime.h @@ -30,6 +30,9 @@ typedef u64 cputime64_t; #define cputime64_to_jiffies64(__ct) (__ct) #define jiffies64_to_cputime64(__jif) (__jif) #define cputime_to_cputime64(__ct) ((u64) __ct) +#define cputime64_gt(__a, __b) ((__a) > (__b)) + +#define nsecs_to_cputime64(__ct) nsecs_to_jiffies64(__ct) /* diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h index 0fc16e3f0bfc..84793c7025e2 100644 --- a/include/asm-generic/fcntl.h +++ b/include/asm-generic/fcntl.h @@ -80,6 +80,10 @@ #define O_SYNC (__O_SYNC|O_DSYNC) #endif +#ifndef O_PATH +#define O_PATH 010000000 +#endif + #ifndef O_NDELAY #define O_NDELAY O_NONBLOCK #endif diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h index 3c2344f48136..01f227e14254 100644 --- a/include/asm-generic/futex.h +++ b/include/asm-generic/futex.h @@ -6,7 +6,7 @@ #include <asm/errno.h> static inline int -futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -16,7 +16,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); @@ -48,7 +48,8 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { return -ENOSYS; } diff --git a/include/asm-generic/ioctls.h b/include/asm-generic/ioctls.h index 3f3f2d189fb8..199975fac395 100644 --- a/include/asm-generic/ioctls.h +++ b/include/asm-generic/ioctls.h @@ -73,6 +73,7 @@ #define TCSETXF 0x5434 #define TCSETXW 0x5435 #define TIOCSIG _IOW('T', 0x36, int) /* pty: generate signal */ +#define TIOCVHANGUP 0x5437 #define FIONCLEX 0x5450 #define FIOCLEX 0x5451 diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index b3bfabc258f3..c1a1216e29ce 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -11,6 +11,7 @@ extern char _sinittext[], _einittext[]; extern char _end[]; extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; +extern char __entry_text_start[], __entry_text_end[]; extern char __initdata_begin[], __initdata_end[]; extern char __start_rodata[], __end_rodata[]; diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h index b969770196c2..57af0338d270 100644 --- a/include/asm-generic/unistd.h +++ b/include/asm-generic/unistd.h @@ -646,9 +646,13 @@ __SYSCALL(__NR_prlimit64, sys_prlimit64) __SYSCALL(__NR_fanotify_init, sys_fanotify_init) #define __NR_fanotify_mark 263 __SYSCALL(__NR_fanotify_mark, sys_fanotify_mark) +#define __NR_name_to_handle_at 264 +__SYSCALL(__NR_name_to_handle_at, sys_name_to_handle_at) +#define __NR_open_by_handle_at 265 +__SYSCALL(__NR_open_by_handle_at, sys_open_by_handle_at) #undef __NR_syscalls -#define __NR_syscalls 264 +#define __NR_syscalls 266 /* * All syscalls below here should go away really, diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index fe77e3395b40..32c45e5fe0ab 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -15,7 +15,7 @@ * HEAD_TEXT_SECTION * INIT_TEXT_SECTION(PAGE_SIZE) * INIT_DATA_SECTION(...) - * PERCPU(PAGE_SIZE) + * PERCPU(CACHELINE_SIZE, PAGE_SIZE) * __init_end = .; * * _stext = .; @@ -424,6 +424,12 @@ *(.kprobes.text) \ VMLINUX_SYMBOL(__kprobes_text_end) = .; +#define ENTRY_TEXT \ + ALIGN_FUNCTION(); \ + VMLINUX_SYMBOL(__entry_text_start) = .; \ + *(.entry.text) \ + VMLINUX_SYMBOL(__entry_text_end) = .; + #ifdef CONFIG_FUNCTION_GRAPH_TRACER #define IRQENTRY_TEXT \ ALIGN_FUNCTION(); \ @@ -683,13 +689,18 @@ /** * PERCPU_VADDR - define output section for percpu area + * @cacheline: cacheline size * @vaddr: explicit base address (optional) * @phdr: destination PHDR (optional) * - * Macro which expands to output section for percpu area. If @vaddr - * is not blank, it specifies explicit base address and all percpu - * symbols will be offset from the given address. If blank, @vaddr - * always equals @laddr + LOAD_OFFSET. + * Macro which expands to output section for percpu area. + * + * @cacheline is used to align subsections to avoid false cacheline + * sharing between subsections for different purposes. + * + * If @vaddr is not blank, it specifies explicit base address and all + * percpu symbols will be offset from the given address. If blank, + * @vaddr always equals @laddr + LOAD_OFFSET. * * @phdr defines the output PHDR to use if not blank. Be warned that * output PHDR is sticky. If @phdr is specified, the next output @@ -700,7 +711,7 @@ * If there is no need to put the percpu section at a predetermined * address, use PERCPU(). */ -#define PERCPU_VADDR(vaddr, phdr) \ +#define PERCPU_VADDR(cacheline, vaddr, phdr) \ VMLINUX_SYMBOL(__per_cpu_load) = .; \ .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \ - LOAD_OFFSET) { \ @@ -708,7 +719,9 @@ *(.data..percpu..first) \ . = ALIGN(PAGE_SIZE); \ *(.data..percpu..page_aligned) \ + . = ALIGN(cacheline); \ *(.data..percpu..readmostly) \ + . = ALIGN(cacheline); \ *(.data..percpu) \ *(.data..percpu..shared_aligned) \ VMLINUX_SYMBOL(__per_cpu_end) = .; \ @@ -717,18 +730,18 @@ /** * PERCPU - define output section for percpu area, simple version + * @cacheline: cacheline size * @align: required alignment * - * Align to @align and outputs output section for percpu area. This - * macro doesn't maniuplate @vaddr or @phdr and __per_cpu_load and + * Align to @align and outputs output section for percpu area. This macro + * doesn't manipulate @vaddr or @phdr and __per_cpu_load and * __per_cpu_start will be identical. * - * This macro is equivalent to ALIGN(align); PERCPU_VADDR( , ) except - * that __per_cpu_load is defined as a relative symbol against - * .data..percpu which is required for relocatable x86_32 - * configuration. + * This macro is equivalent to ALIGN(@align); PERCPU_VADDR(@cacheline,,) + * except that __per_cpu_load is defined as a relative symbol against + * .data..percpu which is required for relocatable x86_32 configuration. */ -#define PERCPU(align) \ +#define PERCPU(cacheline, align) \ . = ALIGN(align); \ .data..percpu : AT(ADDR(.data..percpu) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__per_cpu_load) = .; \ @@ -736,7 +749,9 @@ *(.data..percpu..first) \ . = ALIGN(PAGE_SIZE); \ *(.data..percpu..page_aligned) \ + . = ALIGN(cacheline); \ *(.data..percpu..readmostly) \ + . = ALIGN(cacheline); \ *(.data..percpu) \ *(.data..percpu..shared_aligned) \ VMLINUX_SYMBOL(__per_cpu_end) = .; \ diff --git a/include/linux/ata.h b/include/linux/ata.h index 0c4929fa34d3..32df2b6ef0e0 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -89,6 +89,7 @@ enum { ATA_ID_SPG = 98, ATA_ID_LBA_CAPACITY_2 = 100, ATA_ID_SECTOR_SIZE = 106, + ATA_ID_WWN = 108, ATA_ID_LOGICAL_SECTOR_SIZE = 117, /* and 118 */ ATA_ID_LAST_LUN = 126, ATA_ID_DLF = 128, @@ -103,6 +104,7 @@ enum { ATA_ID_SERNO_LEN = 20, ATA_ID_FW_REV_LEN = 8, ATA_ID_PROD_LEN = 40, + ATA_ID_WWN_LEN = 8, ATA_PCI_CTL_OFS = 2, @@ -598,42 +600,42 @@ static inline bool ata_id_has_dipm(const u16 *id) } -static inline int ata_id_has_fua(const u16 *id) +static inline bool ata_id_has_fua(const u16 *id) { if ((id[ATA_ID_CFSSE] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_CFSSE] & (1 << 6); } -static inline int ata_id_has_flush(const u16 *id) +static inline bool ata_id_has_flush(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_COMMAND_SET_2] & (1 << 12); } -static inline int ata_id_flush_enabled(const u16 *id) +static inline bool ata_id_flush_enabled(const u16 *id) { if (ata_id_has_flush(id) == 0) - return 0; + return false; if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_CFS_ENABLE_2] & (1 << 12); } -static inline int ata_id_has_flush_ext(const u16 *id) +static inline bool ata_id_has_flush_ext(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_COMMAND_SET_2] & (1 << 13); } -static inline int ata_id_flush_ext_enabled(const u16 *id) +static inline bool ata_id_flush_ext_enabled(const u16 *id) { if (ata_id_has_flush_ext(id) == 0) - return 0; + return false; if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return 0; + return false; /* * some Maxtor disks have bit 13 defined incorrectly * so check bit 10 too @@ -686,64 +688,64 @@ static inline u16 ata_id_logical_sector_offset(const u16 *id, return 0; } -static inline int ata_id_has_lba48(const u16 *id) +static inline bool ata_id_has_lba48(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) - return 0; + return false; if (!ata_id_u64(id, ATA_ID_LBA_CAPACITY_2)) - return 0; + return false; return id[ATA_ID_COMMAND_SET_2] & (1 << 10); } -static inline int ata_id_lba48_enabled(const u16 *id) +static inline bool ata_id_lba48_enabled(const u16 *id) { if (ata_id_has_lba48(id) == 0) - return 0; + return false; if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_CFS_ENABLE_2] & (1 << 10); } -static inline int ata_id_hpa_enabled(const u16 *id) +static inline bool ata_id_hpa_enabled(const u16 *id) { /* Yes children, word 83 valid bits cover word 82 data */ if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) - return 0; + return false; /* And 87 covers 85-87 */ if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return 0; + return false; /* Check command sets enabled as well as supported */ if ((id[ATA_ID_CFS_ENABLE_1] & (1 << 10)) == 0) - return 0; + return false; return id[ATA_ID_COMMAND_SET_1] & (1 << 10); } -static inline int ata_id_has_wcache(const u16 *id) +static inline bool ata_id_has_wcache(const u16 *id) { /* Yes children, word 83 valid bits cover word 82 data */ if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_COMMAND_SET_1] & (1 << 5); } -static inline int ata_id_has_pm(const u16 *id) +static inline bool ata_id_has_pm(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_COMMAND_SET_1] & (1 << 3); } -static inline int ata_id_rahead_enabled(const u16 *id) +static inline bool ata_id_rahead_enabled(const u16 *id) { if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_CFS_ENABLE_1] & (1 << 6); } -static inline int ata_id_wcache_enabled(const u16 *id) +static inline bool ata_id_wcache_enabled(const u16 *id) { if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return 0; + return false; return id[ATA_ID_CFS_ENABLE_1] & (1 << 5); } @@ -773,7 +775,7 @@ static inline unsigned int ata_id_major_version(const u16 *id) return mver; } -static inline int ata_id_is_sata(const u16 *id) +static inline bool ata_id_is_sata(const u16 *id) { /* * See if word 93 is 0 AND drive is at least ATA-5 compatible @@ -782,37 +784,40 @@ static inline int ata_id_is_sata(const u16 *id) * 0x0000 and 0xffff along with the earlier ATA revisions... */ if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020) - return 1; - return 0; + return true; + return false; } -static inline int ata_id_has_tpm(const u16 *id) +static inline bool ata_id_has_tpm(const u16 *id) { /* The TPM bits are only valid on ATA8 */ if (ata_id_major_version(id) < 8) - return 0; + return false; if ((id[48] & 0xC000) != 0x4000) - return 0; + return false; return id[48] & (1 << 0); } -static inline int ata_id_has_dword_io(const u16 *id) +static inline bool ata_id_has_dword_io(const u16 *id) { /* ATA 8 reuses this flag for "trusted" computing */ if (ata_id_major_version(id) > 7) - return 0; - if (id[ATA_ID_DWORD_IO] & (1 << 0)) - return 1; - return 0; + return false; + return id[ATA_ID_DWORD_IO] & (1 << 0); } -static inline int ata_id_has_unload(const u16 *id) +static inline bool ata_id_has_unload(const u16 *id) { if (ata_id_major_version(id) >= 7 && (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 && id[ATA_ID_CFSSE] & (1 << 13)) - return 1; - return 0; + return true; + return false; +} + +static inline bool ata_id_has_wwn(const u16 *id) +{ + return (id[ATA_ID_CSF_DEFAULT] & 0xC100) == 0x4100; } static inline int ata_id_form_factor(const u16 *id) @@ -843,25 +848,25 @@ static inline int ata_id_rotation_rate(const u16 *id) return val; } -static inline int ata_id_has_trim(const u16 *id) +static inline bool ata_id_has_trim(const u16 *id) { if (ata_id_major_version(id) >= 7 && (id[ATA_ID_DATA_SET_MGMT] & 1)) - return 1; - return 0; + return true; + return false; } -static inline int ata_id_has_zero_after_trim(const u16 *id) +static inline bool ata_id_has_zero_after_trim(const u16 *id) { /* DSM supported, deterministic read, and read zero after trim set */ if (ata_id_has_trim(id) && (id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020) - return 1; + return true; - return 0; + return false; } -static inline int ata_id_current_chs_valid(const u16 *id) +static inline bool ata_id_current_chs_valid(const u16 *id) { /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command has not been issued to the device then the values of @@ -873,11 +878,11 @@ static inline int ata_id_current_chs_valid(const u16 *id) id[ATA_ID_CUR_SECTORS]; /* sectors in current translation */ } -static inline int ata_id_is_cfa(const u16 *id) +static inline bool ata_id_is_cfa(const u16 *id) { if ((id[ATA_ID_CONFIG] == 0x848A) || /* Traditional CF */ (id[ATA_ID_CONFIG] == 0x844A)) /* Delkin Devices CF */ - return 1; + return true; /* * CF specs don't require specific value in the word 0 anymore and yet * they forbid to report the ATA version in the word 80 and require the @@ -886,44 +891,40 @@ static inline int ata_id_is_cfa(const u16 *id) * and while those that don't indicate CFA feature support need some * sort of quirk list, it seems impractical for the ones that do... */ - if ((id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004) - return 1; - return 0; + return (id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004; } -static inline int ata_id_is_ssd(const u16 *id) +static inline bool ata_id_is_ssd(const u16 *id) { return id[ATA_ID_ROT_SPEED] == 0x01; } -static inline int ata_id_pio_need_iordy(const u16 *id, const u8 pio) +static inline bool ata_id_pio_need_iordy(const u16 *id, const u8 pio) { /* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */ if (pio > 4 && ata_id_is_cfa(id)) - return 0; + return false; /* For PIO3 and higher it is mandatory. */ if (pio > 2) - return 1; + return true; /* Turn it on when possible. */ - if (ata_id_has_iordy(id)) - return 1; - return 0; + return ata_id_has_iordy(id); } -static inline int ata_drive_40wire(const u16 *dev_id) +static inline bool ata_drive_40wire(const u16 *dev_id) { if (ata_id_is_sata(dev_id)) - return 0; /* SATA */ + return false; /* SATA */ if ((dev_id[ATA_ID_HW_CONFIG] & 0xE000) == 0x6000) - return 0; /* 80 wire */ - return 1; + return false; /* 80 wire */ + return true; } -static inline int ata_drive_40wire_relaxed(const u16 *dev_id) +static inline bool ata_drive_40wire_relaxed(const u16 *dev_id) { if ((dev_id[ATA_ID_HW_CONFIG] & 0x2000) == 0x2000) - return 0; /* 80 wire */ - return 1; + return false; /* 80 wire */ + return true; } static inline int atapi_cdb_len(const u16 *dev_id) @@ -936,12 +937,12 @@ static inline int atapi_cdb_len(const u16 *dev_id) } } -static inline int atapi_command_packet_set(const u16 *dev_id) +static inline bool atapi_command_packet_set(const u16 *dev_id) { return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f; } -static inline int atapi_id_dmadir(const u16 *dev_id) +static inline bool atapi_id_dmadir(const u16 *dev_id) { return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000); } @@ -954,13 +955,13 @@ static inline int atapi_id_dmadir(const u16 *dev_id) * * It is called only once for each device. */ -static inline int ata_id_is_lba_capacity_ok(u16 *id) +static inline bool ata_id_is_lba_capacity_ok(u16 *id) { unsigned long lba_sects, chs_sects, head, tail; /* No non-LBA info .. so valid! */ if (id[ATA_ID_CYLS] == 0) - return 1; + return true; lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY); @@ -975,13 +976,13 @@ static inline int ata_id_is_lba_capacity_ok(u16 *id) id[ATA_ID_SECTORS] == 63 && (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) && (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS])) - return 1; + return true; chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS]; /* perform a rough sanity check on lba_sects: within 10% is OK */ if (lba_sects - chs_sects < chs_sects/10) - return 1; + return true; /* some drives have the word order reversed */ head = (lba_sects >> 16) & 0xffff; @@ -990,10 +991,10 @@ static inline int ata_id_is_lba_capacity_ok(u16 *id) if (lba_sects - chs_sects < chs_sects/10) { *(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects); - return 1; /* LBA capacity is (now) good */ + return true; /* LBA capacity is (now) good */ } - return 0; /* LBA capacity value may be bad */ + return false; /* LBA capacity value may be bad */ } static inline void ata_id_to_hd_driveid(u16 *id) @@ -1051,19 +1052,19 @@ static inline int is_multi_taskfile(struct ata_taskfile *tf) (tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT); } -static inline int ata_ok(u8 status) +static inline bool ata_ok(u8 status) { return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) == ATA_DRDY); } -static inline int lba_28_ok(u64 block, u32 n_block) +static inline bool lba_28_ok(u64 block, u32 n_block) { /* check the ending block number: must be LESS THAN 0x0fffffff */ return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= 256); } -static inline int lba_48_ok(u64 block, u32 n_block) +static inline bool lba_48_ok(u64 block, u32 n_block) { /* check the ending block number */ return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index ce104e33cd22..e654fa239916 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -474,7 +474,8 @@ struct cgroup_subsys { struct cgroup *old_cgrp, struct task_struct *tsk, bool threadgroup); void (*fork)(struct cgroup_subsys *ss, struct task_struct *task); - void (*exit)(struct cgroup_subsys *ss, struct task_struct *task); + void (*exit)(struct cgroup_subsys *ss, struct cgroup *cgrp, + struct cgroup *old_cgrp, struct task_struct *task); int (*populate)(struct cgroup_subsys *ss, struct cgroup *cgrp); void (*post_clone)(struct cgroup_subsys *ss, struct cgroup *cgrp); @@ -626,6 +627,7 @@ bool css_is_ancestor(struct cgroup_subsys_state *cg, /* Get id and depth of css */ unsigned short css_id(struct cgroup_subsys_state *css); unsigned short css_depth(struct cgroup_subsys_state *css); +struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id); #else /* !CONFIG_CGROUPS */ diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h index ccefff02b6cb..cdbfcb8780ec 100644 --- a/include/linux/cgroup_subsys.h +++ b/include/linux/cgroup_subsys.h @@ -65,4 +65,8 @@ SUBSYS(net_cls) SUBSYS(blkio) #endif +#ifdef CONFIG_CGROUP_PERF +SUBSYS(perf) +#endif + /* */ diff --git a/include/linux/connector.h b/include/linux/connector.h index 7e8ca75d2dad..bcafc942e5e4 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -42,8 +42,9 @@ #define CN_VAL_DM_USERSPACE_LOG 0x1 #define CN_IDX_DRBD 0x8 #define CN_VAL_DRBD 0x1 +#define CN_KVP_IDX 0x9 /* HyperV KVP */ -#define CN_NETLINK_USERS 8 +#define CN_NETLINK_USERS 9 /* * Maximum connector's message size. @@ -128,14 +129,17 @@ struct cn_dev { struct cn_queue_dev *cbdev; }; -int cn_add_callback(struct cb_id *, char *, void (*callback) (struct cn_msg *, struct netlink_skb_parms *)); +int cn_add_callback(struct cb_id *id, const char *name, + void (*callback)(struct cn_msg *, struct netlink_skb_parms *)); void cn_del_callback(struct cb_id *); int cn_netlink_send(struct cn_msg *, u32, gfp_t); -int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(struct cn_msg *, struct netlink_skb_parms *)); +int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name, + struct cb_id *id, + void (*callback)(struct cn_msg *, struct netlink_skb_parms *)); void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id); -struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *); +struct cn_queue_dev *cn_queue_alloc_dev(const char *name, struct sock *); void cn_queue_free_dev(struct cn_queue_dev *dev); int cn_cb_equal(struct cb_id *, struct cb_id *); diff --git a/include/linux/debugobjects.h b/include/linux/debugobjects.h index 597692f1fc8d..65970b811e22 100644 --- a/include/linux/debugobjects.h +++ b/include/linux/debugobjects.h @@ -34,7 +34,10 @@ struct debug_obj { /** * struct debug_obj_descr - object type specific debug description structure + * * @name: name of the object typee + * @debug_hint: function returning address, which have associated + * kernel symbol, to allow identify the object * @fixup_init: fixup function, which is called when the init check * fails * @fixup_activate: fixup function, which is called when the activate check @@ -46,7 +49,7 @@ struct debug_obj { */ struct debug_obj_descr { const char *name; - + void *(*debug_hint) (void *addr); int (*fixup_init) (void *addr, enum debug_obj_state state); int (*fixup_activate) (void *addr, enum debug_obj_state state); int (*fixup_destroy) (void *addr, enum debug_obj_state state); diff --git a/include/linux/device.h b/include/linux/device.h index 1bf5cf0b4513..dba775a68752 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -128,9 +128,7 @@ struct device_driver { bool suppress_bind_attrs; /* disables bind/unbind via sysfs */ -#if defined(CONFIG_OF) const struct of_device_id *of_match_table; -#endif int (*probe) (struct device *dev); int (*remove) (struct device *dev); @@ -422,6 +420,7 @@ struct device { void *platform_data; /* Platform specific data, device core doesn't touch it */ struct dev_pm_info power; + struct dev_power_domain *pwr_domain; #ifdef CONFIG_NUMA int numa_node; /* NUMA node this device is close to */ @@ -441,9 +440,8 @@ struct device { override */ /* arch specific additions */ struct dev_archdata archdata; -#ifdef CONFIG_OF - struct device_node *of_node; -#endif + + struct device_node *of_node; /* associated device tree node */ dev_t devt; /* dev_t, creates the sysfs "dev" */ diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 90e087f8d951..f156cca25ad0 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -23,6 +23,53 @@ enum dmi_device_type { DMI_DEV_TYPE_DEV_ONBOARD = -3, }; +enum dmi_entry_type { + DMI_ENTRY_BIOS = 0, + DMI_ENTRY_SYSTEM, + DMI_ENTRY_BASEBOARD, + DMI_ENTRY_CHASSIS, + DMI_ENTRY_PROCESSOR, + DMI_ENTRY_MEM_CONTROLLER, + DMI_ENTRY_MEM_MODULE, + DMI_ENTRY_CACHE, + DMI_ENTRY_PORT_CONNECTOR, + DMI_ENTRY_SYSTEM_SLOT, + DMI_ENTRY_ONBOARD_DEVICE, + DMI_ENTRY_OEMSTRINGS, + DMI_ENTRY_SYSCONF, + DMI_ENTRY_BIOS_LANG, + DMI_ENTRY_GROUP_ASSOC, + DMI_ENTRY_SYSTEM_EVENT_LOG, + DMI_ENTRY_PHYS_MEM_ARRAY, + DMI_ENTRY_MEM_DEVICE, + DMI_ENTRY_32_MEM_ERROR, + DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR, + DMI_ENTRY_MEM_DEV_MAPPED_ADDR, + DMI_ENTRY_BUILTIN_POINTING_DEV, + DMI_ENTRY_PORTABLE_BATTERY, + DMI_ENTRY_SYSTEM_RESET, + DMI_ENTRY_HW_SECURITY, + DMI_ENTRY_SYSTEM_POWER_CONTROLS, + DMI_ENTRY_VOLTAGE_PROBE, + DMI_ENTRY_COOLING_DEV, + DMI_ENTRY_TEMP_PROBE, + DMI_ENTRY_ELECTRICAL_CURRENT_PROBE, + DMI_ENTRY_OOB_REMOTE_ACCESS, + DMI_ENTRY_BIS_ENTRY, + DMI_ENTRY_SYSTEM_BOOT, + DMI_ENTRY_MGMT_DEV, + DMI_ENTRY_MGMT_DEV_COMPONENT, + DMI_ENTRY_MGMT_DEV_THRES, + DMI_ENTRY_MEM_CHANNEL, + DMI_ENTRY_IPMI_DEV, + DMI_ENTRY_SYS_POWER_SUPPLY, + DMI_ENTRY_ADDITIONAL, + DMI_ENTRY_ONBOARD_DEV_EXT, + DMI_ENTRY_MGMT_CONTROLLER_HOST, + DMI_ENTRY_INACTIVE = 126, + DMI_ENTRY_END_OF_TABLE = 127, +}; + struct dmi_header { u8 type; u8 length; diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index 1c70028f81f9..0c9653f11c18 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -31,6 +31,10 @@ struct _ddebug { * writes commands to <debugfs>/dynamic_debug/control */ #define _DPRINTK_FLAGS_PRINT (1<<0) /* printk() a message using the format */ +#define _DPRINTK_FLAGS_INCL_MODNAME (1<<1) +#define _DPRINTK_FLAGS_INCL_FUNCNAME (1<<2) +#define _DPRINTK_FLAGS_INCL_LINENO (1<<3) +#define _DPRINTK_FLAGS_INCL_TID (1<<4) #define _DPRINTK_FLAGS_DEFAULT 0 unsigned int flags:8; char enabled; @@ -42,6 +46,8 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n, #if defined(CONFIG_DYNAMIC_DEBUG) extern int ddebug_remove_module(const char *mod_name); +extern int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...) + __attribute__ ((format (printf, 2, 3))); #define dynamic_pr_debug(fmt, ...) do { \ static struct _ddebug descriptor \ @@ -50,7 +56,7 @@ extern int ddebug_remove_module(const char *mod_name); { KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__, \ _DPRINTK_FLAGS_DEFAULT }; \ if (unlikely(descriptor.enabled)) \ - printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \ + __dynamic_pr_debug(&descriptor, pr_fmt(fmt), ##__VA_ARGS__); \ } while (0) diff --git a/include/linux/efi.h b/include/linux/efi.h index fb737bc19a8c..33fa1203024e 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -397,4 +397,41 @@ static inline void memrange_efi_to_native(u64 *addr, u64 *npages) *addr &= PAGE_MASK; } +#if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE) +/* + * EFI Variable support. + * + * Different firmware drivers can expose their EFI-like variables using + * the following. + */ + +struct efivar_operations { + efi_get_variable_t *get_variable; + efi_get_next_variable_t *get_next_variable; + efi_set_variable_t *set_variable; +}; + +struct efivars { + /* + * ->lock protects two things: + * 1) ->list - adds, removals, reads, writes + * 2) ops.[gs]et_variable() calls. + * It must not be held when creating sysfs entries or calling kmalloc. + * ops.get_next_variable() is only called from register_efivars(), + * which is protected by the BKL, so that path is safe. + */ + spinlock_t lock; + struct list_head list; + struct kset *kset; + struct bin_attribute *new_var, *del_var; + const struct efivar_operations *ops; +}; + +int register_efivars(struct efivars *efivars, + const struct efivar_operations *ops, + struct kobject *parent_kobj); +void unregister_efivars(struct efivars *efivars); + +#endif /* CONFIG_EFI_VARS */ + #endif /* _LINUX_EFI_H */ diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index 28028988c862..33a42f24b275 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -8,6 +8,9 @@ struct inode; struct super_block; struct vfsmount; +/* limit the handle size to NFSv4 handle size now */ +#define MAX_HANDLE_SZ 128 + /* * The fileid_type identifies how the file within the filesystem is encoded. * In theory this is freely set and parsed by the filesystem, but we try to @@ -121,8 +124,10 @@ struct fid { * set, the encode_fh() should store sufficient information so that a good * attempt can be made to find not only the file but also it's place in the * filesystem. This typically means storing a reference to de->d_parent in - * the filehandle fragment. encode_fh() should return the number of bytes - * stored or a negative error code such as %-ENOSPC + * the filehandle fragment. encode_fh() should return the fileid_type on + * success and on error returns 255 (if the space needed to encode fh is + * greater than @max_len*4 bytes). On error @max_len contains the minimum + * size(in 4 byte unit) needed to encode the file handle. * * fh_to_dentry: * @fh_to_dentry is given a &struct super_block (@sb) and a file handle diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 65990ef612f5..6043c64c207a 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -884,7 +884,8 @@ extern int ext3fs_dirhash(const char *name, int len, struct dx_hash_info *hinfo); /* ialloc.c */ -extern struct inode * ext3_new_inode (handle_t *, struct inode *, int); +extern struct inode * ext3_new_inode (handle_t *, struct inode *, + const struct qstr *, int); extern void ext3_free_inode (handle_t *, struct inode *); extern struct inode * ext3_orphan_get (struct super_block *, unsigned long); extern unsigned long ext3_count_free_inodes (struct super_block *); diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h index a562fa5fb4e3..f550f894ba15 100644 --- a/include/linux/fcntl.h +++ b/include/linux/fcntl.h @@ -46,6 +46,7 @@ unlinking file. */ #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */ #define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */ +#define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname */ #ifdef __KERNEL__ diff --git a/include/linux/file.h b/include/linux/file.h index e85baebf6279..21a79958541c 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -29,6 +29,8 @@ static inline void fput_light(struct file *file, int fput_needed) extern struct file *fget(unsigned int fd); extern struct file *fget_light(unsigned int fd, int *fput_needed); +extern struct file *fget_raw(unsigned int fd); +extern struct file *fget_raw_light(unsigned int fd, int *fput_needed); extern void set_close_on_exec(unsigned int fd, int flag); extern void put_filp(struct file *); extern int alloc_fd(unsigned start, unsigned flags); diff --git a/include/linux/firmware.h b/include/linux/firmware.h index 53d1e6c4f848..21b3e7588abd 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h @@ -39,7 +39,7 @@ struct builtin_fw { int request_firmware(const struct firmware **fw, const char *name, struct device *device); int request_firmware_nowait( - struct module *module, int uevent, + struct module *module, bool uevent, const char *name, struct device *device, gfp_t gfp, void *context, void (*cont)(const struct firmware *fw, void *context)); @@ -52,7 +52,7 @@ static inline int request_firmware(const struct firmware **fw, return -EINVAL; } static inline int request_firmware_nowait( - struct module *module, int uevent, + struct module *module, bool uevent, const char *name, struct device *device, gfp_t gfp, void *context, void (*cont)(const struct firmware *fw, void *context)) { diff --git a/include/linux/fs.h b/include/linux/fs.h index e38b50a4b9d2..2f5a71d6d766 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -102,6 +102,9 @@ struct inodes_stat_t { /* File is huge (eg. /dev/kmem): treat loff_t as unsigned */ #define FMODE_UNSIGNED_OFFSET ((__force fmode_t)0x2000) +/* File is opened with O_PATH; almost nothing can be done with it */ +#define FMODE_PATH ((__force fmode_t)0x4000) + /* File was opened by fanotify and shouldn't generate fanotify events */ #define FMODE_NONOTIFY ((__force fmode_t)0x1000000) @@ -798,8 +801,7 @@ struct inode { #endif #ifdef CONFIG_IMA - /* protected by i_lock */ - unsigned int i_readcount; /* struct files open RO */ + atomic_t i_readcount; /* struct files open RO */ #endif atomic_t i_writecount; #ifdef CONFIG_SECURITY @@ -978,6 +980,13 @@ struct file { #endif }; +struct file_handle { + __u32 handle_bytes; + int handle_type; + /* file identifier */ + unsigned char f_handle[0]; +}; + #define get_file(x) atomic_long_inc(&(x)->f_count) #define fput_atomic(x) atomic_long_add_unless(&(x)->f_count, -1, 1) #define file_count(x) atomic_long_read(&(x)->f_count) @@ -1401,6 +1410,7 @@ struct super_block { wait_queue_head_t s_wait_unfrozen; char s_id[32]; /* Informational name */ + u8 s_uuid[16]; /* UUID */ void *s_fs_info; /* Filesystem private info */ fmode_t s_mode; @@ -1874,6 +1884,8 @@ extern void drop_collected_mounts(struct vfsmount *); extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *, struct vfsmount *); extern int vfs_statfs(struct path *, struct kstatfs *); +extern int user_statfs(const char __user *, struct kstatfs *); +extern int fd_statfs(int, struct kstatfs *); extern int statfs_by_dentry(struct dentry *, struct kstatfs *); extern int freeze_super(struct super_block *super); extern int thaw_super(struct super_block *super); @@ -1990,6 +2002,8 @@ extern int do_fallocate(struct file *file, int mode, loff_t offset, extern long do_sys_open(int dfd, const char __user *filename, int flags, int mode); extern struct file *filp_open(const char *, int, int); +extern struct file *file_open_root(struct dentry *, struct vfsmount *, + const char *, int); extern struct file * dentry_open(struct dentry *, struct vfsmount *, int, const struct cred *); extern int filp_close(struct file *, fl_owner_t id); @@ -2200,15 +2214,31 @@ static inline void allow_write_access(struct file *file) if (file) atomic_inc(&file->f_path.dentry->d_inode->i_writecount); } +#ifdef CONFIG_IMA +static inline void i_readcount_dec(struct inode *inode) +{ + BUG_ON(!atomic_read(&inode->i_readcount)); + atomic_dec(&inode->i_readcount); +} +static inline void i_readcount_inc(struct inode *inode) +{ + atomic_inc(&inode->i_readcount); +} +#else +static inline void i_readcount_dec(struct inode *inode) +{ + return; +} +static inline void i_readcount_inc(struct inode *inode) +{ + return; +} +#endif extern int do_pipe_flags(int *, int); extern struct file *create_read_pipe(struct file *f, int flags); extern struct file *create_write_pipe(int flags); extern void free_write_pipe(struct file *); -extern struct file *do_filp_open(int dfd, const char *pathname, - int open_flag, int mode, int acc_mode); -extern int may_open(struct path *, int, int); - extern int kernel_read(struct file *, loff_t, char *, unsigned long); extern struct file * open_exec(const char *); diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index dcd6a7c3a435..ca29e03c1fac 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -428,6 +428,7 @@ extern void unregister_ftrace_graph(void); extern void ftrace_graph_init_task(struct task_struct *t); extern void ftrace_graph_exit_task(struct task_struct *t); +extern void ftrace_graph_init_idle_task(struct task_struct *t, int cpu); static inline int task_curr_ret_stack(struct task_struct *t) { @@ -451,6 +452,7 @@ static inline void unpause_graph_tracing(void) static inline void ftrace_graph_init_task(struct task_struct *t) { } static inline void ftrace_graph_exit_task(struct task_struct *t) { } +static inline void ftrace_graph_init_idle_task(struct task_struct *t, int cpu) { } static inline int register_ftrace_graph(trace_func_graph_ret_t retfunc, trace_func_graph_ent_t entryfunc) diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 47e3997f7b5c..22b32af1b5ec 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -37,7 +37,6 @@ struct trace_entry { unsigned char flags; unsigned char preempt_count; int pid; - int lock_depth; }; #define FTRACE_MAX_EVENT \ @@ -208,7 +207,6 @@ struct ftrace_event_call { #define PERF_MAX_TRACE_SIZE 2048 -#define MAX_FILTER_PRED 32 #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ extern void destroy_preds(struct ftrace_event_call *call); diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index f376ddc64c4d..62f500c724f9 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -54,11 +54,13 @@ enum hrtimer_restart { * 0x00 inactive * 0x01 enqueued into rbtree * 0x02 callback function running + * 0x04 timer is migrated to another cpu * * Special cases: * 0x03 callback function running and enqueued * (was requeued on another CPU) - * 0x09 timer was migrated on CPU hotunplug + * 0x05 timer was migrated on CPU hotunplug + * * The "callback function running and enqueued" status is only possible on * SMP. It happens for example when a posix timer expired and the callback * queued a signal. Between dropping the lock which protects the posix timer @@ -67,8 +69,11 @@ enum hrtimer_restart { * as otherwise the timer could be removed before the softirq code finishes the * the handling of the timer. * - * The HRTIMER_STATE_ENQUEUED bit is always or'ed to the current state to - * preserve the HRTIMER_STATE_CALLBACK bit in the above scenario. + * The HRTIMER_STATE_ENQUEUED bit is always or'ed to the current state + * to preserve the HRTIMER_STATE_CALLBACK in the above scenario. This + * also affects HRTIMER_STATE_MIGRATE where the preservation is not + * necessary. HRTIMER_STATE_MIGRATE is cleared after the timer is + * enqueued on the new cpu. * * All state transitions are protected by cpu_base->lock. */ @@ -148,7 +153,12 @@ struct hrtimer_clock_base { #endif }; -#define HRTIMER_MAX_CLOCK_BASES 2 +enum hrtimer_base_type { + HRTIMER_BASE_REALTIME, + HRTIMER_BASE_MONOTONIC, + HRTIMER_BASE_BOOTTIME, + HRTIMER_MAX_CLOCK_BASES, +}; /* * struct hrtimer_cpu_base - the per cpu clock bases @@ -308,6 +318,7 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer) extern ktime_t ktime_get(void); extern ktime_t ktime_get_real(void); +extern ktime_t ktime_get_boottime(void); DECLARE_PER_CPU(struct tick_device, tick_cpu_device); @@ -370,8 +381,9 @@ extern int hrtimer_get_res(const clockid_t which_clock, struct timespec *tp); extern ktime_t hrtimer_get_next_event(void); /* - * A timer is active, when it is enqueued into the rbtree or the callback - * function is running. + * A timer is active, when it is enqueued into the rbtree or the + * callback function is running or it's in the state of being migrated + * to another cpu. */ static inline int hrtimer_active(const struct hrtimer *timer) { diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 903576df88dc..06a8d9c7de98 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -258,9 +258,7 @@ struct i2c_board_info { unsigned short addr; void *platform_data; struct dev_archdata *archdata; -#ifdef CONFIG_OF struct device_node *of_node; -#endif int irq; }; diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h index 61b9609e55f2..a4bd05b7bd22 100644 --- a/include/linux/i2c/twl.h +++ b/include/linux/i2c/twl.h @@ -600,6 +600,8 @@ struct twl4030_usb_data { int (*phy_power)(struct device *dev, int iD, int on); /* enable/disable phy clocks */ int (*phy_set_clock)(struct device *dev, int on); + /* suspend/resume of phy */ + int (*phy_suspend)(struct device *dev, int suspend); }; struct twl4030_ins { diff --git a/include/linux/ima.h b/include/linux/ima.h index 975837e7d6c0..09e6e62f9953 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -20,7 +20,6 @@ extern void ima_inode_free(struct inode *inode); extern int ima_file_check(struct file *file, int mask); extern void ima_file_free(struct file *file); extern int ima_file_mmap(struct file *file, unsigned long prot); -extern void ima_counts_get(struct file *file); #else static inline int ima_bprm_check(struct linux_binprm *bprm) @@ -53,10 +52,5 @@ static inline int ima_file_mmap(struct file *file, unsigned long prot) return 0; } -static inline void ima_counts_get(struct file *file) -{ - return; -} - #endif /* CONFIG_IMA_H */ #endif /* _LINUX_IMA_H */ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 63c5ad78e37c..59b72ca1c5d1 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -57,7 +57,8 @@ * Used by threaded interrupts which need to keep the * irq line disabled until the threaded handler has been run. * IRQF_NO_SUSPEND - Do not disable this IRQ during suspend - * + * IRQF_FORCE_RESUME - Force enable it on resume even if IRQF_NO_SUSPEND is set + * IRQF_NO_THREAD - Interrupt cannot be threaded */ #define IRQF_DISABLED 0x00000020 #define IRQF_SAMPLE_RANDOM 0x00000040 @@ -69,22 +70,10 @@ #define IRQF_IRQPOLL 0x00001000 #define IRQF_ONESHOT 0x00002000 #define IRQF_NO_SUSPEND 0x00004000 +#define IRQF_FORCE_RESUME 0x00008000 +#define IRQF_NO_THREAD 0x00010000 -#define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND) - -/* - * Bits used by threaded handlers: - * IRQTF_RUNTHREAD - signals that the interrupt handler thread should run - * IRQTF_DIED - handler thread died - * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed - * IRQTF_AFFINITY - irq thread is requested to adjust affinity - */ -enum { - IRQTF_RUNTHREAD, - IRQTF_DIED, - IRQTF_WARNED, - IRQTF_AFFINITY, -}; +#define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD) /* * These values can be returned by request_any_context_irq() and @@ -112,6 +101,7 @@ typedef irqreturn_t (*irq_handler_t)(int, void *); * @thread_fn: interupt handler function for threaded interrupts * @thread: thread pointer for threaded interrupts * @thread_flags: flags related to @thread + * @thread_mask: bitmask for keeping track of @thread activity */ struct irqaction { irq_handler_t handler; @@ -122,6 +112,7 @@ struct irqaction { irq_handler_t thread_fn; struct task_struct *thread; unsigned long thread_flags; + unsigned long thread_mask; const char *name; struct proc_dir_entry *dir; } ____cacheline_internodealigned_in_smp; @@ -345,16 +336,24 @@ static inline void enable_irq_lockdep_irqrestore(unsigned int irq, unsigned long } /* IRQ wakeup (PM) control: */ -extern int set_irq_wake(unsigned int irq, unsigned int on); +extern int irq_set_irq_wake(unsigned int irq, unsigned int on); + +#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT +/* Please do not use: Use the replacement functions instead */ +static inline int set_irq_wake(unsigned int irq, unsigned int on) +{ + return irq_set_irq_wake(irq, on); +} +#endif static inline int enable_irq_wake(unsigned int irq) { - return set_irq_wake(irq, 1); + return irq_set_irq_wake(irq, 1); } static inline int disable_irq_wake(unsigned int irq) { - return set_irq_wake(irq, 0); + return irq_set_irq_wake(irq, 0); } #else /* !CONFIG_GENERIC_HARDIRQS */ @@ -384,6 +383,13 @@ static inline int disable_irq_wake(unsigned int irq) } #endif /* CONFIG_GENERIC_HARDIRQS */ + +#ifdef CONFIG_IRQ_FORCED_THREADING +extern bool force_irqthreads; +#else +#define force_irqthreads (0) +#endif + #ifndef __ARCH_SET_SOFTIRQ_PENDING #define set_softirq_pending(x) (local_softirq_pending() = (x)) #define or_softirq_pending(x) (local_softirq_pending() |= (x)) @@ -457,6 +463,13 @@ extern void raise_softirq(unsigned int nr); */ DECLARE_PER_CPU(struct list_head [NR_SOFTIRQS], softirq_work_list); +DECLARE_PER_CPU(struct task_struct *, ksoftirqd); + +static inline struct task_struct *this_cpu_ksoftirqd(void) +{ + return this_cpu_read(ksoftirqd); +} + /* Try to send a softirq to a remote cpu. If this cannot be done, the * work will be queued to the local cpu. */ @@ -676,6 +689,7 @@ static inline void init_irq_proc(void) struct seq_file; int show_interrupts(struct seq_file *p, void *v); +int arch_show_interrupts(struct seq_file *p, int prec); extern int early_irq_init(void); extern int arch_probe_nr_irqs(void); diff --git a/include/linux/irq.h b/include/linux/irq.h index 80fcb53057bc..1d3577f30d45 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -29,61 +29,104 @@ #include <asm/irq_regs.h> struct irq_desc; +struct irq_data; typedef void (*irq_flow_handler_t)(unsigned int irq, struct irq_desc *desc); - +typedef void (*irq_preflow_handler_t)(struct irq_data *data); /* * IRQ line status. * - * Bits 0-7 are reserved for the IRQF_* bits in linux/interrupt.h + * Bits 0-7 are the same as the IRQF_* bits in linux/interrupt.h + * + * IRQ_TYPE_NONE - default, unspecified type + * IRQ_TYPE_EDGE_RISING - rising edge triggered + * IRQ_TYPE_EDGE_FALLING - falling edge triggered + * IRQ_TYPE_EDGE_BOTH - rising and falling edge triggered + * IRQ_TYPE_LEVEL_HIGH - high level triggered + * IRQ_TYPE_LEVEL_LOW - low level triggered + * IRQ_TYPE_LEVEL_MASK - Mask to filter out the level bits + * IRQ_TYPE_SENSE_MASK - Mask for all the above bits + * IRQ_TYPE_PROBE - Special flag for probing in progress + * + * Bits which can be modified via irq_set/clear/modify_status_flags() + * IRQ_LEVEL - Interrupt is level type. Will be also + * updated in the code when the above trigger + * bits are modified via set_irq_type() + * IRQ_PER_CPU - Mark an interrupt PER_CPU. Will protect + * it from affinity setting + * IRQ_NOPROBE - Interrupt cannot be probed by autoprobing + * IRQ_NOREQUEST - Interrupt cannot be requested via + * request_irq() + * IRQ_NOAUTOEN - Interrupt is not automatically enabled in + * request/setup_irq() + * IRQ_NO_BALANCING - Interrupt cannot be balanced (affinity set) + * IRQ_MOVE_PCNTXT - Interrupt can be migrated from process context + * IRQ_NESTED_TRHEAD - Interrupt nests into another thread + * + * Deprecated bits. They are kept updated as long as + * CONFIG_GENERIC_HARDIRQS_NO_COMPAT is not set. Will go away soon. These bits + * are internal state of the core code and if you really need to acces + * them then talk to the genirq maintainer instead of hacking + * something weird. * - * IRQ types */ -#define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */ -#define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */ -#define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */ -#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) -#define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */ -#define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */ -#define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */ -#define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */ - -/* Internal flags */ -#define IRQ_INPROGRESS 0x00000100 /* IRQ handler active - do not enter! */ -#define IRQ_DISABLED 0x00000200 /* IRQ disabled - do not enter! */ -#define IRQ_PENDING 0x00000400 /* IRQ pending - replay on enable */ -#define IRQ_REPLAY 0x00000800 /* IRQ has been replayed but not acked yet */ -#define IRQ_AUTODETECT 0x00001000 /* IRQ is being autodetected */ -#define IRQ_WAITING 0x00002000 /* IRQ not yet seen - for autodetection */ -#define IRQ_LEVEL 0x00004000 /* IRQ level triggered */ -#define IRQ_MASKED 0x00008000 /* IRQ masked - shouldn't be seen again */ -#define IRQ_PER_CPU 0x00010000 /* IRQ is per CPU */ -#define IRQ_NOPROBE 0x00020000 /* IRQ is not valid for probing */ -#define IRQ_NOREQUEST 0x00040000 /* IRQ cannot be requested */ -#define IRQ_NOAUTOEN 0x00080000 /* IRQ will not be enabled on request irq */ -#define IRQ_WAKEUP 0x00100000 /* IRQ triggers system wakeup */ -#define IRQ_MOVE_PENDING 0x00200000 /* need to re-target IRQ destination */ -#define IRQ_NO_BALANCING 0x00400000 /* IRQ is excluded from balancing */ -#define IRQ_SPURIOUS_DISABLED 0x00800000 /* IRQ was disabled by the spurious trap */ -#define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */ -#define IRQ_AFFINITY_SET 0x02000000 /* IRQ affinity was set from userspace*/ -#define IRQ_SUSPENDED 0x04000000 /* IRQ has gone through suspend sequence */ -#define IRQ_ONESHOT 0x08000000 /* IRQ is not unmasked after hardirq */ -#define IRQ_NESTED_THREAD 0x10000000 /* IRQ is nested into another, no own handler thread */ +enum { + IRQ_TYPE_NONE = 0x00000000, + IRQ_TYPE_EDGE_RISING = 0x00000001, + IRQ_TYPE_EDGE_FALLING = 0x00000002, + IRQ_TYPE_EDGE_BOTH = (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING), + IRQ_TYPE_LEVEL_HIGH = 0x00000004, + IRQ_TYPE_LEVEL_LOW = 0x00000008, + IRQ_TYPE_LEVEL_MASK = (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH), + IRQ_TYPE_SENSE_MASK = 0x0000000f, + + IRQ_TYPE_PROBE = 0x00000010, + + IRQ_LEVEL = (1 << 8), + IRQ_PER_CPU = (1 << 9), + IRQ_NOPROBE = (1 << 10), + IRQ_NOREQUEST = (1 << 11), + IRQ_NOAUTOEN = (1 << 12), + IRQ_NO_BALANCING = (1 << 13), + IRQ_MOVE_PCNTXT = (1 << 14), + IRQ_NESTED_THREAD = (1 << 15), + +#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT + IRQ_INPROGRESS = (1 << 16), + IRQ_REPLAY = (1 << 17), + IRQ_WAITING = (1 << 18), + IRQ_DISABLED = (1 << 19), + IRQ_PENDING = (1 << 20), + IRQ_MASKED = (1 << 21), + IRQ_MOVE_PENDING = (1 << 22), + IRQ_AFFINITY_SET = (1 << 23), + IRQ_WAKEUP = (1 << 24), +#endif +}; #define IRQF_MODIFY_MASK \ (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \ IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \ - IRQ_PER_CPU) + IRQ_PER_CPU | IRQ_NESTED_THREAD) -#ifdef CONFIG_IRQ_PER_CPU -# define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) -# define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING) -#else -# define CHECK_IRQ_PER_CPU(var) 0 -# define IRQ_NO_BALANCING_MASK IRQ_NO_BALANCING -#endif +#define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING) + +static inline __deprecated bool CHECK_IRQ_PER_CPU(unsigned int status) +{ + return status & IRQ_PER_CPU; +} + +/* + * Return value for chip->irq_set_affinity() + * + * IRQ_SET_MASK_OK - OK, core updates irq_data.affinity + * IRQ_SET_MASK_NOCPY - OK, chip did update irq_data.affinity + */ +enum { + IRQ_SET_MASK_OK = 0, + IRQ_SET_MASK_OK_NOCOPY, +}; struct msi_desc; @@ -91,6 +134,8 @@ struct msi_desc; * struct irq_data - per irq and irq chip data passed down to chip functions * @irq: interrupt number * @node: node index useful for balancing + * @state_use_accessor: status information for irq chip functions. + * Use accessor functions to deal with it * @chip: low level interrupt hardware access * @handler_data: per-IRQ data for the irq_chip methods * @chip_data: platform-specific per-chip private data for the chip @@ -105,6 +150,7 @@ struct msi_desc; struct irq_data { unsigned int irq; unsigned int node; + unsigned int state_use_accessors; struct irq_chip *chip; void *handler_data; void *chip_data; @@ -114,6 +160,80 @@ struct irq_data { #endif }; +/* + * Bit masks for irq_data.state + * + * IRQD_TRIGGER_MASK - Mask for the trigger type bits + * IRQD_SETAFFINITY_PENDING - Affinity setting is pending + * IRQD_NO_BALANCING - Balancing disabled for this IRQ + * IRQD_PER_CPU - Interrupt is per cpu + * IRQD_AFFINITY_SET - Interrupt affinity was set + * IRQD_LEVEL - Interrupt is level triggered + * IRQD_WAKEUP_STATE - Interrupt is configured for wakeup + * from suspend + * IRDQ_MOVE_PCNTXT - Interrupt can be moved in process + * context + */ +enum { + IRQD_TRIGGER_MASK = 0xf, + IRQD_SETAFFINITY_PENDING = (1 << 8), + IRQD_NO_BALANCING = (1 << 10), + IRQD_PER_CPU = (1 << 11), + IRQD_AFFINITY_SET = (1 << 12), + IRQD_LEVEL = (1 << 13), + IRQD_WAKEUP_STATE = (1 << 14), + IRQD_MOVE_PCNTXT = (1 << 15), +}; + +static inline bool irqd_is_setaffinity_pending(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_SETAFFINITY_PENDING; +} + +static inline bool irqd_is_per_cpu(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_PER_CPU; +} + +static inline bool irqd_can_balance(struct irq_data *d) +{ + return !(d->state_use_accessors & (IRQD_PER_CPU | IRQD_NO_BALANCING)); +} + +static inline bool irqd_affinity_was_set(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_AFFINITY_SET; +} + +static inline u32 irqd_get_trigger_type(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_TRIGGER_MASK; +} + +/* + * Must only be called inside irq_chip.irq_set_type() functions. + */ +static inline void irqd_set_trigger_type(struct irq_data *d, u32 type) +{ + d->state_use_accessors &= ~IRQD_TRIGGER_MASK; + d->state_use_accessors |= type & IRQD_TRIGGER_MASK; +} + +static inline bool irqd_is_level_type(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_LEVEL; +} + +static inline bool irqd_is_wakeup_set(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_WAKEUP_STATE; +} + +static inline bool irqd_can_move_in_process_context(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_MOVE_PCNTXT; +} + /** * struct irq_chip - hardware interrupt chip descriptor * @@ -150,6 +270,7 @@ struct irq_data { * @irq_set_wake: enable/disable power-management wake-on of an IRQ * @irq_bus_lock: function to lock access to slow bus (i2c) chips * @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips + * @flags: chip specific flags * * @release: release function solely used by UML */ @@ -196,12 +317,27 @@ struct irq_chip { void (*irq_bus_lock)(struct irq_data *data); void (*irq_bus_sync_unlock)(struct irq_data *data); + unsigned long flags; + /* Currently used only by UML, might disappear one day.*/ #ifdef CONFIG_IRQ_RELEASE_METHOD void (*release)(unsigned int irq, void *dev_id); #endif }; +/* + * irq_chip specific flags + * + * IRQCHIP_SET_TYPE_MASKED: Mask before calling chip.irq_set_type() + * IRQCHIP_EOI_IF_HANDLED: Only issue irq_eoi() when irq was handled + * IRQCHIP_MASK_ON_SUSPEND: Mask non wake irqs in the suspend path + */ +enum { + IRQCHIP_SET_TYPE_MASKED = (1 << 0), + IRQCHIP_EOI_IF_HANDLED = (1 << 1), + IRQCHIP_MASK_ON_SUSPEND = (1 << 2), +}; + /* This include will go away once we isolated irq_desc usage to core code */ #include <linux/irqdesc.h> @@ -218,7 +354,7 @@ struct irq_chip { # define ARCH_IRQ_INIT_FLAGS 0 #endif -#define IRQ_DEFAULT_INIT_FLAGS (IRQ_DISABLED | ARCH_IRQ_INIT_FLAGS) +#define IRQ_DEFAULT_INIT_FLAGS ARCH_IRQ_INIT_FLAGS struct irqaction; extern int setup_irq(unsigned int irq, struct irqaction *new); @@ -229,9 +365,13 @@ extern void remove_irq(unsigned int irq, struct irqaction *act); #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ) void move_native_irq(int irq); void move_masked_irq(int irq); +void irq_move_irq(struct irq_data *data); +void irq_move_masked_irq(struct irq_data *data); #else static inline void move_native_irq(int irq) { } static inline void move_masked_irq(int irq) { } +static inline void irq_move_irq(struct irq_data *data) { } +static inline void irq_move_masked_irq(struct irq_data *data) { } #endif extern int no_irq_affinity; @@ -267,23 +407,23 @@ extern struct irq_chip no_irq_chip; extern struct irq_chip dummy_irq_chip; extern void -set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip, - irq_flow_handler_t handle); -extern void -set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, +irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, irq_flow_handler_t handle, const char *name); +static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *chip, + irq_flow_handler_t handle) +{ + irq_set_chip_and_handler_name(irq, chip, handle, NULL); +} + extern void -__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, +__irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, const char *name); -/* - * Set a highlevel flow handler for a given IRQ: - */ static inline void -set_irq_handler(unsigned int irq, irq_flow_handler_t handle) +irq_set_handler(unsigned int irq, irq_flow_handler_t handle) { - __set_irq_handler(irq, handle, 0, NULL); + __irq_set_handler(irq, handle, 0, NULL); } /* @@ -292,14 +432,11 @@ set_irq_handler(unsigned int irq, irq_flow_handler_t handle) * IRQ_NOREQUEST and IRQ_NOPROBE) */ static inline void -set_irq_chained_handler(unsigned int irq, - irq_flow_handler_t handle) +irq_set_chained_handler(unsigned int irq, irq_flow_handler_t handle) { - __set_irq_handler(irq, handle, 1, NULL); + __irq_set_handler(irq, handle, 1, NULL); } -extern void set_irq_nested_thread(unsigned int irq, int nest); - void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set); static inline void irq_set_status_flags(unsigned int irq, unsigned long set) @@ -312,16 +449,24 @@ static inline void irq_clear_status_flags(unsigned int irq, unsigned long clr) irq_modify_status(irq, clr, 0); } -static inline void set_irq_noprobe(unsigned int irq) +static inline void irq_set_noprobe(unsigned int irq) { irq_modify_status(irq, 0, IRQ_NOPROBE); } -static inline void set_irq_probe(unsigned int irq) +static inline void irq_set_probe(unsigned int irq) { irq_modify_status(irq, IRQ_NOPROBE, 0); } +static inline void irq_set_nested_thread(unsigned int irq, bool nest) +{ + if (nest) + irq_set_status_flags(irq, IRQ_NESTED_THREAD); + else + irq_clear_status_flags(irq, IRQ_NESTED_THREAD); +} + /* Handle dynamic irq creation and destruction */ extern unsigned int create_irq_nr(unsigned int irq_want, int node); extern int create_irq(void); @@ -338,14 +483,14 @@ static inline void dynamic_irq_init(unsigned int irq) } /* Set/get chip/data for an IRQ: */ -extern int set_irq_chip(unsigned int irq, struct irq_chip *chip); -extern int set_irq_data(unsigned int irq, void *data); -extern int set_irq_chip_data(unsigned int irq, void *data); -extern int set_irq_type(unsigned int irq, unsigned int type); -extern int set_irq_msi(unsigned int irq, struct msi_desc *entry); +extern int irq_set_chip(unsigned int irq, struct irq_chip *chip); +extern int irq_set_handler_data(unsigned int irq, void *data); +extern int irq_set_chip_data(unsigned int irq, void *data); +extern int irq_set_irq_type(unsigned int irq, unsigned int type); +extern int irq_set_msi_desc(unsigned int irq, struct msi_desc *entry); extern struct irq_data *irq_get_irq_data(unsigned int irq); -static inline struct irq_chip *get_irq_chip(unsigned int irq) +static inline struct irq_chip *irq_get_chip(unsigned int irq) { struct irq_data *d = irq_get_irq_data(irq); return d ? d->chip : NULL; @@ -356,7 +501,7 @@ static inline struct irq_chip *irq_data_get_irq_chip(struct irq_data *d) return d->chip; } -static inline void *get_irq_chip_data(unsigned int irq) +static inline void *irq_get_chip_data(unsigned int irq) { struct irq_data *d = irq_get_irq_data(irq); return d ? d->chip_data : NULL; @@ -367,18 +512,18 @@ static inline void *irq_data_get_irq_chip_data(struct irq_data *d) return d->chip_data; } -static inline void *get_irq_data(unsigned int irq) +static inline void *irq_get_handler_data(unsigned int irq) { struct irq_data *d = irq_get_irq_data(irq); return d ? d->handler_data : NULL; } -static inline void *irq_data_get_irq_data(struct irq_data *d) +static inline void *irq_data_get_irq_handler_data(struct irq_data *d) { return d->handler_data; } -static inline struct msi_desc *get_irq_msi(unsigned int irq) +static inline struct msi_desc *irq_get_msi_desc(unsigned int irq) { struct irq_data *d = irq_get_irq_data(irq); return d ? d->msi_desc : NULL; @@ -389,6 +534,89 @@ static inline struct msi_desc *irq_data_get_msi(struct irq_data *d) return d->msi_desc; } +#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT +/* Please do not use: Use the replacement functions instead */ +static inline int set_irq_chip(unsigned int irq, struct irq_chip *chip) +{ + return irq_set_chip(irq, chip); +} +static inline int set_irq_data(unsigned int irq, void *data) +{ + return irq_set_handler_data(irq, data); +} +static inline int set_irq_chip_data(unsigned int irq, void *data) +{ + return irq_set_chip_data(irq, data); +} +static inline int set_irq_type(unsigned int irq, unsigned int type) +{ + return irq_set_irq_type(irq, type); +} +static inline int set_irq_msi(unsigned int irq, struct msi_desc *entry) +{ + return irq_set_msi_desc(irq, entry); +} +static inline struct irq_chip *get_irq_chip(unsigned int irq) +{ + return irq_get_chip(irq); +} +static inline void *get_irq_chip_data(unsigned int irq) +{ + return irq_get_chip_data(irq); +} +static inline void *get_irq_data(unsigned int irq) +{ + return irq_get_handler_data(irq); +} +static inline void *irq_data_get_irq_data(struct irq_data *d) +{ + return irq_data_get_irq_handler_data(d); +} +static inline struct msi_desc *get_irq_msi(unsigned int irq) +{ + return irq_get_msi_desc(irq); +} +static inline void set_irq_noprobe(unsigned int irq) +{ + irq_set_noprobe(irq); +} +static inline void set_irq_probe(unsigned int irq) +{ + irq_set_probe(irq); +} +static inline void set_irq_nested_thread(unsigned int irq, int nest) +{ + irq_set_nested_thread(irq, nest); +} +static inline void +set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, + irq_flow_handler_t handle, const char *name) +{ + irq_set_chip_and_handler_name(irq, chip, handle, name); +} +static inline void +set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip, + irq_flow_handler_t handle) +{ + irq_set_chip_and_handler(irq, chip, handle); +} +static inline void +__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, + const char *name) +{ + __irq_set_handler(irq, handle, is_chained, name); +} +static inline void set_irq_handler(unsigned int irq, irq_flow_handler_t handle) +{ + irq_set_handler(irq, handle); +} +static inline void +set_irq_chained_handler(unsigned int irq, irq_flow_handler_t handle) +{ + irq_set_chained_handler(irq, handle); +} +#endif + int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node); void irq_free_descs(unsigned int irq, unsigned int cnt); int irq_reserve_irqs(unsigned int from, unsigned int cnt); diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index bfef56dadddb..00218371518b 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -19,6 +19,7 @@ struct timer_rand_state; * @handle_irq: highlevel irq-events handler [if NULL, __do_IRQ()] * @action: the irq action chain * @status: status information + * @core_internal_state__do_not_mess_with_it: core internal status information * @depth: disable-depth, for nested irq_disable() calls * @wake_depth: enable depth, for multiple set_irq_wake() callers * @irq_count: stats field to detect stalled irqs @@ -27,6 +28,7 @@ struct timer_rand_state; * @lock: locking for SMP * @affinity_notify: context for notification of affinity changes * @pending_mask: pending rebalanced interrupts + * @threads_oneshot: bitfield to handle shared oneshot threads * @threads_active: number of irqaction threads currently running * @wait_for_threads: wait queue for sync_irq to wait for threaded handlers * @dir: /proc/irq/ procfs entry @@ -47,6 +49,7 @@ struct irq_desc { struct { unsigned int irq; unsigned int node; + unsigned int pad_do_not_even_think_about_it; struct irq_chip *chip; void *handler_data; void *chip_data; @@ -61,9 +64,16 @@ struct irq_desc { struct timer_rand_state *timer_rand_state; unsigned int __percpu *kstat_irqs; irq_flow_handler_t handle_irq; +#ifdef CONFIG_IRQ_PREFLOW_FASTEOI + irq_preflow_handler_t preflow_handler; +#endif struct irqaction *action; /* IRQ action list */ +#ifdef CONFIG_GENERIC_HARDIRQS_NO_COMPAT + unsigned int status_use_accessors; +#else unsigned int status; /* IRQ status */ - +#endif + unsigned int core_internal_state__do_not_mess_with_it; unsigned int depth; /* nested irq disables */ unsigned int wake_depth; /* nested wake enables */ unsigned int irq_count; /* For detecting broken IRQs */ @@ -77,6 +87,7 @@ struct irq_desc { cpumask_var_t pending_mask; #endif #endif + unsigned long threads_oneshot; atomic_t threads_active; wait_queue_head_t wait_for_threads; #ifdef CONFIG_PROC_FS @@ -98,10 +109,51 @@ static inline struct irq_desc *move_irq_desc(struct irq_desc *desc, int node) #ifdef CONFIG_GENERIC_HARDIRQS -#define get_irq_desc_chip(desc) ((desc)->irq_data.chip) -#define get_irq_desc_chip_data(desc) ((desc)->irq_data.chip_data) -#define get_irq_desc_data(desc) ((desc)->irq_data.handler_data) -#define get_irq_desc_msi(desc) ((desc)->irq_data.msi_desc) +static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc) +{ + return &desc->irq_data; +} + +static inline struct irq_chip *irq_desc_get_chip(struct irq_desc *desc) +{ + return desc->irq_data.chip; +} + +static inline void *irq_desc_get_chip_data(struct irq_desc *desc) +{ + return desc->irq_data.chip_data; +} + +static inline void *irq_desc_get_handler_data(struct irq_desc *desc) +{ + return desc->irq_data.handler_data; +} + +static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc) +{ + return desc->irq_data.msi_desc; +} + +#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT +static inline struct irq_chip *get_irq_desc_chip(struct irq_desc *desc) +{ + return irq_desc_get_chip(desc); +} +static inline void *get_irq_desc_data(struct irq_desc *desc) +{ + return irq_desc_get_handler_data(desc); +} + +static inline void *get_irq_desc_chip_data(struct irq_desc *desc) +{ + return irq_desc_get_chip_data(desc); +} + +static inline struct msi_desc *get_irq_desc_msi(struct irq_desc *desc) +{ + return irq_desc_get_msi_desc(desc); +} +#endif /* * Architectures call this to let the generic IRQ layer @@ -126,6 +178,7 @@ static inline int irq_has_action(unsigned int irq) return desc->action != NULL; } +#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT static inline int irq_balancing_disabled(unsigned int irq) { struct irq_desc *desc; @@ -133,6 +186,7 @@ static inline int irq_balancing_disabled(unsigned int irq) desc = irq_to_desc(irq); return desc->status & IRQ_NO_BALANCING_MASK; } +#endif /* caller has locked the irq_desc and both params are valid */ static inline void __set_irq_handler_unlocked(int irq, @@ -143,6 +197,17 @@ static inline void __set_irq_handler_unlocked(int irq, desc = irq_to_desc(irq); desc->handle_irq = handler; } + +#ifdef CONFIG_IRQ_PREFLOW_FASTEOI +static inline void +__irq_set_preflow_handler(unsigned int irq, irq_preflow_handler_t handler) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + desc->preflow_handler = handler; +} +#endif #endif #endif diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 6811f4bfc6e7..922aa313c9f9 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -307,6 +307,7 @@ extern clock_t jiffies_to_clock_t(long x); extern unsigned long clock_t_to_jiffies(unsigned long x); extern u64 jiffies_64_to_clock_t(u64 x); extern u64 nsec_to_clock_t(u64 x); +extern u64 nsecs_to_jiffies64(u64 n); extern unsigned long nsecs_to_jiffies(u64 n); #define TIMESTAMP_SIZE 30 diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h index 506ad20c18f8..4b0761cc7dd9 100644 --- a/include/linux/kbd_kern.h +++ b/include/linux/kbd_kern.h @@ -50,11 +50,12 @@ struct kbd_struct { #define VC_CAPSLOCK 2 /* capslock mode */ #define VC_KANALOCK 3 /* kanalock mode */ - unsigned char kbdmode:2; /* one 2-bit value */ + unsigned char kbdmode:3; /* one 3-bit value */ #define VC_XLATE 0 /* translate keycodes using keymap */ #define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */ #define VC_RAW 2 /* raw (scancode) mode */ #define VC_UNICODE 3 /* Unicode mode */ +#define VC_OFF 4 /* disabled mode */ unsigned char modeflags:5; #define VC_APPLIC 0 /* application key mode */ diff --git a/include/linux/kd.h b/include/linux/kd.h index 15f2853ea58f..c36d8476db55 100644 --- a/include/linux/kd.h +++ b/include/linux/kd.h @@ -81,6 +81,7 @@ struct unimapinit { #define K_XLATE 0x01 #define K_MEDIUMRAW 0x02 #define K_UNICODE 0x03 +#define K_OFF 0x04 #define KDGKBMODE 0x4B44 /* gets current keyboard mode */ #define KDSKBMODE 0x4B45 /* sets current keyboard mode */ diff --git a/include/linux/key-type.h b/include/linux/key-type.h index 65833d4d5998..9efd081bb31e 100644 --- a/include/linux/key-type.h +++ b/include/linux/key-type.h @@ -41,6 +41,9 @@ struct key_type { */ size_t def_datalen; + /* vet a description */ + int (*vet_description)(const char *description); + /* instantiate a key of this type * - this method should call key_payload_reserve() to determine if the * user's quota will hold the payload @@ -102,11 +105,20 @@ extern int key_instantiate_and_link(struct key *key, size_t datalen, struct key *keyring, struct key *instkey); -extern int key_negate_and_link(struct key *key, +extern int key_reject_and_link(struct key *key, unsigned timeout, + unsigned error, struct key *keyring, struct key *instkey); extern void complete_request_key(struct key_construction *cons, int error); +static inline int key_negate_and_link(struct key *key, + unsigned timeout, + struct key *keyring, + struct key *instkey) +{ + return key_reject_and_link(key, timeout, ENOKEY, keyring, instkey); +} + #endif /* CONFIG_KEYS */ #endif /* _LINUX_KEY_TYPE_H */ diff --git a/include/linux/key.h b/include/linux/key.h index 3db0adce1fda..b2bb01719561 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -170,6 +170,7 @@ struct key { struct list_head link; unsigned long x[2]; void *p[2]; + int reject_error; } type_data; /* key data @@ -275,6 +276,10 @@ static inline key_serial_t key_serial(struct key *key) return key ? key->serial : 0; } +#define rcu_dereference_key(KEY) \ + (rcu_dereference_protected((KEY)->payload.rcudata, \ + rwsem_is_locked(&((struct key *)(KEY))->sem))) + #ifdef CONFIG_SYSCTL extern ctl_table key_sysctls[]; #endif diff --git a/include/linux/keyctl.h b/include/linux/keyctl.h index bd383f1944fb..9b0b865ce622 100644 --- a/include/linux/keyctl.h +++ b/include/linux/keyctl.h @@ -53,5 +53,7 @@ #define KEYCTL_ASSUME_AUTHORITY 16 /* assume request_key() authorisation */ #define KEYCTL_GET_SECURITY 17 /* get key security label */ #define KEYCTL_SESSION_TO_PARENT 18 /* apply session keyring to parent process */ +#define KEYCTL_REJECT 19 /* reject a partially constructed key */ +#define KEYCTL_INSTANTIATE_IOV 20 /* instantiate a partially constructed key */ #endif /* _LINUX_KEYCTL_H */ diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 8f6d12151048..9229b64ee3aa 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -85,11 +85,13 @@ static inline const char *kobject_name(const struct kobject *kobj) extern void kobject_init(struct kobject *kobj, struct kobj_type *ktype); extern int __must_check kobject_add(struct kobject *kobj, struct kobject *parent, - const char *fmt, ...); + const char *fmt, ...) + __attribute__((format(printf, 3, 4))); extern int __must_check kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype, struct kobject *parent, - const char *fmt, ...); + const char *fmt, ...) + __attribute__((format(printf, 4, 5))); extern void kobject_del(struct kobject *kobj); @@ -224,8 +226,8 @@ static inline int kobject_uevent_env(struct kobject *kobj, char *envp[]) { return 0; } -static inline int add_uevent_var(struct kobj_uevent_env *env, - const char *format, ...) +static inline __attribute__((format(printf, 2, 3))) +int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...) { return 0; } static inline int kobject_action_type(const char *buf, size_t count, diff --git a/include/linux/kthread.h b/include/linux/kthread.h index ce0775aa64c3..7ff16f7d3ed4 100644 --- a/include/linux/kthread.h +++ b/include/linux/kthread.h @@ -64,7 +64,7 @@ struct kthread_work { }; #define KTHREAD_WORKER_INIT(worker) { \ - .lock = SPIN_LOCK_UNLOCKED, \ + .lock = __SPIN_LOCK_UNLOCKED((worker).lock), \ .work_list = LIST_HEAD_INIT((worker).work_list), \ } diff --git a/include/linux/libata.h b/include/linux/libata.h index c9c5d7ad1a2b..c71f46960f39 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -179,10 +179,6 @@ enum { ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */ /* (doesn't imply presence) */ ATA_FLAG_SATA = (1 << 1), - ATA_FLAG_NO_LEGACY = (1 << 2), /* no legacy mode check */ - ATA_FLAG_MMIO = (1 << 3), /* use MMIO, not PIO */ - ATA_FLAG_SRST = (1 << 4), /* (obsolete) use ATA SRST, not E.D.D. */ - ATA_FLAG_SATA_RESET = (1 << 5), /* (obsolete) use COMRESET */ ATA_FLAG_NO_ATAPI = (1 << 6), /* No ATAPI support */ ATA_FLAG_PIO_DMA = (1 << 7), /* PIO cmds via DMA */ ATA_FLAG_PIO_LBA48 = (1 << 8), /* Host DMA engine is LBA28 only */ @@ -198,7 +194,6 @@ enum { ATA_FLAG_ACPI_SATA = (1 << 17), /* need native SATA ACPI layout */ ATA_FLAG_AN = (1 << 18), /* controller supports AN */ ATA_FLAG_PMP = (1 << 19), /* controller supports PMP */ - ATA_FLAG_LPM = (1 << 20), /* driver can handle LPM */ ATA_FLAG_EM = (1 << 21), /* driver supports enclosure * management */ ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity @@ -1050,6 +1045,8 @@ extern int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth, int reason); extern struct ata_device *ata_dev_pair(struct ata_device *adev); extern int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev); +extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap); +extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_head *eh_q); extern int ata_cable_40wire(struct ata_port *ap); extern int ata_cable_80wire(struct ata_port *ap); @@ -1613,6 +1610,9 @@ extern void ata_sff_irq_on(struct ata_port *ap); extern void ata_sff_irq_clear(struct ata_port *ap); extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc, u8 status, int in_wq); +extern void ata_sff_queue_work(struct work_struct *work); +extern void ata_sff_queue_delayed_work(struct delayed_work *dwork, + unsigned long delay); extern void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay); extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc); extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc); diff --git a/include/linux/memory.h b/include/linux/memory.h index 06c1fa0a5c7b..e1e3b2b84f85 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -21,7 +21,8 @@ #include <linux/mutex.h> struct memory_block { - unsigned long phys_index; + unsigned long start_section_nr; + unsigned long end_section_nr; unsigned long state; int section_count; diff --git a/include/linux/mm.h b/include/linux/mm.h index f6385fc17ad4..679300c050f5 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1309,8 +1309,6 @@ int add_from_early_node_map(struct range *range, int az, int nr_range, int nid); u64 __init find_memory_core_early(int nid, u64 size, u64 align, u64 goal, u64 limit); -void *__alloc_memory_core_early(int nodeid, u64 size, u64 align, - u64 goal, u64 limit); typedef int (*work_fn_t)(unsigned long, unsigned long, void *); extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data); extern void sparse_memory_present_with_active_regions(int nid); diff --git a/include/linux/namei.h b/include/linux/namei.h index f276d4fa01fc..9c8603872c36 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -19,7 +19,6 @@ struct nameidata { struct path path; struct qstr last; struct path root; - struct file *file; struct inode *inode; /* path.dentry.d_inode */ unsigned int flags; unsigned seq; @@ -63,6 +62,10 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; #define LOOKUP_EXCL 0x0400 #define LOOKUP_RENAME_TARGET 0x0800 +#define LOOKUP_JUMPED 0x1000 +#define LOOKUP_ROOT 0x2000 +#define LOOKUP_EMPTY 0x4000 + extern int user_path_at(int, const char __user *, unsigned, struct path *); #define user_path(name, path) user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW, path) @@ -72,7 +75,7 @@ extern int user_path_at(int, const char __user *, unsigned, struct path *); extern int kern_path(const char *, unsigned, struct path *); -extern int path_lookup(const char *, unsigned, struct nameidata *); +extern int kern_path_parent(const char *, struct nameidata *); extern int vfs_path_lookup(struct dentry *, struct vfsmount *, const char *, unsigned int, struct nameidata *); diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index b197563913bf..3e112de12d8d 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -68,11 +68,7 @@ struct nfs_client { unsigned char cl_id_uniquifier; u32 cl_cb_ident; /* v4.0 callback identifier */ const struct nfs4_minor_version_ops *cl_mvops; -#endif /* CONFIG_NFS_V4 */ -#ifdef CONFIG_NFS_V4_1 - /* clientid returned from EXCHANGE_ID, used by session operations */ - u64 cl_ex_clid; /* The sequence id to use for the next CREATE_SESSION */ u32 cl_seqid; /* The flags used for obtaining the clientid during EXCHANGE_ID */ @@ -80,7 +76,7 @@ struct nfs_client { struct nfs4_session *cl_session; /* sharred session */ struct list_head cl_layouts; struct pnfs_deviceid_cache *cl_devid_cache; /* pNFS deviceid cache */ -#endif /* CONFIG_NFS_V4_1 */ +#endif /* CONFIG_NFS_V4 */ #ifdef CONFIG_NFS_FSCACHE struct fscache_cookie *fscache; /* client index cache cookie */ @@ -185,7 +181,7 @@ struct nfs_server { /* maximum number of slots to use */ #define NFS4_MAX_SLOT_TABLE RPC_MAX_SLOT_TABLE -#if defined(CONFIG_NFS_V4_1) +#if defined(CONFIG_NFS_V4) /* Sessions */ #define SLOT_TABLE_SZ (NFS4_MAX_SLOT_TABLE/(8*sizeof(long))) @@ -225,5 +221,5 @@ struct nfs4_session { struct nfs_client *clp; }; -#endif /* CONFIG_NFS_V4_1 */ +#endif /* CONFIG_NFS_V4 */ #endif diff --git a/include/linux/node.h b/include/linux/node.h index 1466945cc9ef..92370e22343c 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -39,7 +39,8 @@ extern int register_cpu_under_node(unsigned int cpu, unsigned int nid); extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid); extern int register_mem_sect_under_node(struct memory_block *mem_blk, int nid); -extern int unregister_mem_sect_under_nodes(struct memory_block *mem_blk); +extern int unregister_mem_sect_under_nodes(struct memory_block *mem_blk, + unsigned long phys_index); #ifdef CONFIG_HUGETLBFS extern void register_hugetlbfs_with_node(node_registration_func_t doregister, @@ -67,7 +68,8 @@ static inline int register_mem_sect_under_node(struct memory_block *mem_blk, { return 0; } -static inline int unregister_mem_sect_under_nodes(struct memory_block *mem_blk) +static inline int unregister_mem_sect_under_nodes(struct memory_block *mem_blk, + unsigned long phys_index) { return 0; } diff --git a/include/linux/of.h b/include/linux/of.h index cad7cf0ab278..266db1d0baa9 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -23,8 +23,6 @@ #include <asm/byteorder.h> -#ifdef CONFIG_OF - typedef u32 phandle; typedef u32 ihandle; @@ -65,11 +63,18 @@ struct device_node { #endif }; +#ifdef CONFIG_OF + /* Pointer for first entry in chain of all nodes. */ extern struct device_node *allnodes; extern struct device_node *of_chosen; extern rwlock_t devtree_lock; +static inline bool of_have_populated_dt(void) +{ + return allnodes != NULL; +} + static inline bool of_node_is_root(const struct device_node *node) { return node && (node->parent == NULL); @@ -222,5 +227,12 @@ extern void of_attach_node(struct device_node *); extern void of_detach_node(struct device_node *); #endif +#else + +static inline bool of_have_populated_dt(void) +{ + return false; +} + #endif /* CONFIG_OF */ #endif /* _LINUX_OF_H */ diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h new file mode 100644 index 000000000000..85a27b650d76 --- /dev/null +++ b/include/linux/of_pci.h @@ -0,0 +1,9 @@ +#ifndef __OF_PCI_H +#define __OF_PCI_H + +#include <linux/pci.h> + +struct pci_dev; +struct of_irq; +int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); +#endif diff --git a/include/linux/pata_arasan_cf_data.h b/include/linux/pata_arasan_cf_data.h new file mode 100644 index 000000000000..a6ee9aa898bb --- /dev/null +++ b/include/linux/pata_arasan_cf_data.h @@ -0,0 +1,49 @@ +/* + * include/linux/pata_arasan_cf_data.h + * + * Arasan Compact Flash host controller platform data header file + * + * Copyright (C) 2011 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef _PATA_ARASAN_CF_DATA_H +#define _PATA_ARASAN_CF_DATA_H + +#include <linux/platform_device.h> + +struct arasan_cf_pdata { + u8 cf_if_clk; + #define CF_IF_CLK_100M (0x0) + #define CF_IF_CLK_75M (0x1) + #define CF_IF_CLK_66M (0x2) + #define CF_IF_CLK_50M (0x3) + #define CF_IF_CLK_40M (0x4) + #define CF_IF_CLK_33M (0x5) + #define CF_IF_CLK_25M (0x6) + #define CF_IF_CLK_125M (0x7) + #define CF_IF_CLK_150M (0x8) + #define CF_IF_CLK_166M (0x9) + #define CF_IF_CLK_200M (0xA) + /* + * Platform specific incapabilities of CF controller is handled via + * quirks + */ + u32 quirk; + #define CF_BROKEN_PIO (1) + #define CF_BROKEN_MWDMA (1 << 1) + #define CF_BROKEN_UDMA (1 << 2) + /* This is platform specific data for the DMA controller */ + void *dma_priv; +}; + +static inline void +set_arasan_cf_pdata(struct platform_device *pdev, struct arasan_cf_pdata *data) +{ + pdev->dev.platform_data = data; +} +#endif /* _PATA_ARASAN_CF_DATA_H */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 3adb06ebf841..580de67f318b 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -518,6 +518,7 @@ #define PCI_DEVICE_ID_AMD_11H_NB_MISC 0x1303 #define PCI_DEVICE_ID_AMD_11H_NB_LINK 0x1304 #define PCI_DEVICE_ID_AMD_15H_NB_MISC 0x1603 +#define PCI_DEVICE_ID_AMD_15H_NB_LINK 0x1604 #define PCI_DEVICE_ID_AMD_CNB17H_F3 0x1703 #define PCI_DEVICE_ID_AMD_LANCE 0x2000 #define PCI_DEVICE_ID_AMD_LANCE_HOME 0x2001 diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 27c3c6fcfad3..3a5c4449fd36 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -255,6 +255,30 @@ extern void __bad_size_call_parameter(void); pscr2_ret__; \ }) +/* + * Special handling for cmpxchg_double. cmpxchg_double is passed two + * percpu variables. The first has to be aligned to a double word + * boundary and the second has to follow directly thereafter. + */ +#define __pcpu_double_call_return_bool(stem, pcp1, pcp2, ...) \ +({ \ + bool pdcrb_ret__; \ + __verify_pcpu_ptr(&pcp1); \ + BUILD_BUG_ON(sizeof(pcp1) != sizeof(pcp2)); \ + VM_BUG_ON((unsigned long)(&pcp1) % (2 * sizeof(pcp1))); \ + VM_BUG_ON((unsigned long)(&pcp2) != \ + (unsigned long)(&pcp1) + sizeof(pcp1)); \ + switch(sizeof(pcp1)) { \ + case 1: pdcrb_ret__ = stem##1(pcp1, pcp2, __VA_ARGS__); break; \ + case 2: pdcrb_ret__ = stem##2(pcp1, pcp2, __VA_ARGS__); break; \ + case 4: pdcrb_ret__ = stem##4(pcp1, pcp2, __VA_ARGS__); break; \ + case 8: pdcrb_ret__ = stem##8(pcp1, pcp2, __VA_ARGS__); break; \ + default: \ + __bad_size_call_parameter(); break; \ + } \ + pdcrb_ret__; \ +}) + #define __pcpu_size_call(stem, variable, ...) \ do { \ __verify_pcpu_ptr(&(variable)); \ @@ -501,6 +525,45 @@ do { \ #endif /* + * cmpxchg_double replaces two adjacent scalars at once. The first + * two parameters are per cpu variables which have to be of the same + * size. A truth value is returned to indicate success or failure + * (since a double register result is difficult to handle). There is + * very limited hardware support for these operations, so only certain + * sizes may work. + */ +#define _this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ +({ \ + int ret__; \ + preempt_disable(); \ + ret__ = __this_cpu_generic_cmpxchg_double(pcp1, pcp2, \ + oval1, oval2, nval1, nval2); \ + preempt_enable(); \ + ret__; \ +}) + +#ifndef this_cpu_cmpxchg_double +# ifndef this_cpu_cmpxchg_double_1 +# define this_cpu_cmpxchg_double_1(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + _this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef this_cpu_cmpxchg_double_2 +# define this_cpu_cmpxchg_double_2(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + _this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef this_cpu_cmpxchg_double_4 +# define this_cpu_cmpxchg_double_4(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + _this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef this_cpu_cmpxchg_double_8 +# define this_cpu_cmpxchg_double_8(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + _this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# define this_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + __pcpu_double_call_return_bool(this_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2)) +#endif + +/* * Generic percpu operations that do not require preemption handling. * Either we do not care about races or the caller has the * responsibility of handling preemptions issues. Arch code can still @@ -703,6 +766,39 @@ do { \ __pcpu_size_call_return2(__this_cpu_cmpxchg_, pcp, oval, nval) #endif +#define __this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ +({ \ + int __ret = 0; \ + if (__this_cpu_read(pcp1) == (oval1) && \ + __this_cpu_read(pcp2) == (oval2)) { \ + __this_cpu_write(pcp1, (nval1)); \ + __this_cpu_write(pcp2, (nval2)); \ + __ret = 1; \ + } \ + (__ret); \ +}) + +#ifndef __this_cpu_cmpxchg_double +# ifndef __this_cpu_cmpxchg_double_1 +# define __this_cpu_cmpxchg_double_1(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + __this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef __this_cpu_cmpxchg_double_2 +# define __this_cpu_cmpxchg_double_2(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + __this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef __this_cpu_cmpxchg_double_4 +# define __this_cpu_cmpxchg_double_4(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + __this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef __this_cpu_cmpxchg_double_8 +# define __this_cpu_cmpxchg_double_8(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + __this_cpu_generic_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# define __this_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + __pcpu_double_call_return_bool(__this_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2)) +#endif + /* * IRQ safe versions of the per cpu RMW operations. Note that these operations * are *not* safe against modification of the same variable from another @@ -823,4 +919,36 @@ do { \ __pcpu_size_call_return2(irqsafe_cpu_cmpxchg_, (pcp), oval, nval) #endif +#define irqsafe_generic_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ +({ \ + int ret__; \ + unsigned long flags; \ + local_irq_save(flags); \ + ret__ = __this_cpu_generic_cmpxchg_double(pcp1, pcp2, \ + oval1, oval2, nval1, nval2); \ + local_irq_restore(flags); \ + ret__; \ +}) + +#ifndef irqsafe_cpu_cmpxchg_double +# ifndef irqsafe_cpu_cmpxchg_double_1 +# define irqsafe_cpu_cmpxchg_double_1(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + irqsafe_generic_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef irqsafe_cpu_cmpxchg_double_2 +# define irqsafe_cpu_cmpxchg_double_2(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + irqsafe_generic_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef irqsafe_cpu_cmpxchg_double_4 +# define irqsafe_cpu_cmpxchg_double_4(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + irqsafe_generic_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# ifndef irqsafe_cpu_cmpxchg_double_8 +# define irqsafe_cpu_cmpxchg_double_8(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + irqsafe_generic_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) +# endif +# define irqsafe_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ + __pcpu_double_call_return_int(irqsafe_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2)) +#endif + #endif /* __LINUX_PERCPU_H */ diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index dda5b0a3ff60..614615b8d42b 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -225,8 +225,14 @@ struct perf_event_attr { }; __u32 bp_type; - __u64 bp_addr; - __u64 bp_len; + union { + __u64 bp_addr; + __u64 config1; /* extension of config */ + }; + union { + __u64 bp_len; + __u64 config2; /* extension of config1 */ + }; }; /* @@ -464,6 +470,7 @@ enum perf_callchain_context { #define PERF_FLAG_FD_NO_GROUP (1U << 0) #define PERF_FLAG_FD_OUTPUT (1U << 1) +#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */ #ifdef __KERNEL__ /* @@ -471,6 +478,7 @@ enum perf_callchain_context { */ #ifdef CONFIG_PERF_EVENTS +# include <linux/cgroup.h> # include <asm/perf_event.h> # include <asm/local64.h> #endif @@ -539,6 +547,9 @@ struct hw_perf_event { unsigned long event_base; int idx; int last_cpu; + unsigned int extra_reg; + u64 extra_config; + int extra_alloc; }; struct { /* software */ struct hrtimer hrtimer; @@ -716,6 +727,22 @@ struct swevent_hlist { #define PERF_ATTACH_GROUP 0x02 #define PERF_ATTACH_TASK 0x04 +#ifdef CONFIG_CGROUP_PERF +/* + * perf_cgroup_info keeps track of time_enabled for a cgroup. + * This is a per-cpu dynamically allocated data structure. + */ +struct perf_cgroup_info { + u64 time; + u64 timestamp; +}; + +struct perf_cgroup { + struct cgroup_subsys_state css; + struct perf_cgroup_info *info; /* timing info, one per cpu */ +}; +#endif + /** * struct perf_event - performance event kernel representation: */ @@ -832,6 +859,11 @@ struct perf_event { struct event_filter *filter; #endif +#ifdef CONFIG_CGROUP_PERF + struct perf_cgroup *cgrp; /* cgroup event is attach to */ + int cgrp_defer_enabled; +#endif + #endif /* CONFIG_PERF_EVENTS */ }; @@ -886,6 +918,7 @@ struct perf_event_context { u64 generation; int pin_count; struct rcu_head rcu_head; + int nr_cgroups; /* cgroup events present */ }; /* @@ -905,6 +938,9 @@ struct perf_cpu_context { struct list_head rotation_list; int jiffies_interval; struct pmu *active_pmu; +#ifdef CONFIG_CGROUP_PERF + struct perf_cgroup *cgrp; +#endif }; struct perf_output_handle { @@ -1040,11 +1076,11 @@ have_event: __perf_sw_event(event_id, nr, nmi, regs, addr); } -extern atomic_t perf_task_events; +extern atomic_t perf_sched_events; static inline void perf_event_task_sched_in(struct task_struct *task) { - COND_STMT(&perf_task_events, __perf_event_task_sched_in(task)); + COND_STMT(&perf_sched_events, __perf_event_task_sched_in(task)); } static inline @@ -1052,7 +1088,7 @@ void perf_event_task_sched_out(struct task_struct *task, struct task_struct *nex { perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0); - COND_STMT(&perf_task_events, __perf_event_task_sched_out(task, next)); + COND_STMT(&perf_sched_events, __perf_event_task_sched_out(task, next)); } extern void perf_event_mmap(struct vm_area_struct *vma); @@ -1083,6 +1119,10 @@ extern int sysctl_perf_event_paranoid; extern int sysctl_perf_event_mlock; extern int sysctl_perf_event_sample_rate; +extern int perf_proc_update_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos); + static inline bool perf_paranoid_tracepoint_raw(void) { return sysctl_perf_event_paranoid > -1; diff --git a/include/linux/platform_data/msm_serial_hs.h b/include/linux/platform_data/msm_serial_hs.h new file mode 100644 index 000000000000..98a2046f8b31 --- /dev/null +++ b/include/linux/platform_data/msm_serial_hs.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2008 Google, Inc. + * Author: Nick Pelly <npelly@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + */ + +#ifndef __ASM_ARCH_MSM_SERIAL_HS_H +#define __ASM_ARCH_MSM_SERIAL_HS_H + +#include <linux/serial_core.h> + +/* API to request the uart clock off or on for low power management + * Clients should call request_clock_off() when no uart data is expected, + * and must call request_clock_on() before any further uart data can be + * received. */ +extern void msm_hs_request_clock_off(struct uart_port *uport); +extern void msm_hs_request_clock_on(struct uart_port *uport); + +/** + * struct msm_serial_hs_platform_data + * @rx_wakeup_irq: Rx activity irq + * @rx_to_inject: extra character to be inserted to Rx tty on wakeup + * @inject_rx: 1 = insert rx_to_inject. 0 = do not insert extra character + * @exit_lpm_cb: function called before every Tx transaction + * + * This is an optional structure required for UART Rx GPIO IRQ based + * wakeup from low power state. UART wakeup can be triggered by RX activity + * (using a wakeup GPIO on the UART RX pin). This should only be used if + * there is not a wakeup GPIO on the UART CTS, and the first RX byte is + * known (eg., with the Bluetooth Texas Instruments HCILL protocol), + * since the first RX byte will always be lost. RTS will be asserted even + * while the UART is clocked off in this mode of operation. + */ +struct msm_serial_hs_platform_data { + int rx_wakeup_irq; + unsigned char inject_rx_on_wakeup; + char rx_to_inject; + void (*exit_lpm_cb)(struct uart_port *); +}; + +#endif diff --git a/include/linux/platform_data/tegra_usb.h b/include/linux/platform_data/tegra_usb.h new file mode 100644 index 000000000000..6bca5b569acb --- /dev/null +++ b/include/linux/platform_data/tegra_usb.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2010 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ + +#ifndef _TEGRA_USB_H_ +#define _TEGRA_USB_H_ + +enum tegra_usb_operating_modes { + TEGRA_USB_DEVICE, + TEGRA_USB_HOST, + TEGRA_USB_OTG, +}; + +struct tegra_ehci_platform_data { + enum tegra_usb_operating_modes operating_mode; + /* power down the phy on bus suspend */ + int power_down_on_bus_suspend; + void *phy_config; +}; + +#endif /* _TEGRA_USB_H_ */ diff --git a/include/linux/platform_data/uio_pruss.h b/include/linux/platform_data/uio_pruss.h new file mode 100644 index 000000000000..f39140aabc6f --- /dev/null +++ b/include/linux/platform_data/uio_pruss.h @@ -0,0 +1,25 @@ +/* + * include/linux/platform_data/uio_pruss.h + * + * Platform data for uio_pruss driver + * + * Copyright (C) 2010-11 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _UIO_PRUSS_H_ +#define _UIO_PRUSS_H_ + +/* To configure the PRUSS INTC base offset for UIO driver */ +struct uio_pruss_pdata { + u32 pintc_base; +}; +#endif /* _UIO_PRUSS_H_ */ diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 2e700ec0601f..d96db9825708 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -130,8 +130,15 @@ extern void platform_driver_unregister(struct platform_driver *); extern int platform_driver_probe(struct platform_driver *driver, int (*probe)(struct platform_device *)); -#define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev) -#define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data)) +static inline void *platform_get_drvdata(const struct platform_device *pdev) +{ + return dev_get_drvdata(&pdev->dev); +} + +static inline void platform_set_drvdata(struct platform_device *pdev, void *data) +{ + dev_set_drvdata(&pdev->dev, data); +} extern struct platform_device *platform_create_bundle(struct platform_driver *driver, int (*probe)(struct platform_device *), diff --git a/include/linux/plist.h b/include/linux/plist.h index 7254eda078e5..c9b9f322c8d8 100644 --- a/include/linux/plist.h +++ b/include/linux/plist.h @@ -31,15 +31,17 @@ * * Simple ASCII art explanation: * - * |HEAD | - * | | - * |prio_list.prev|<------------------------------------| - * |prio_list.next|<->|pl|<->|pl|<--------------->|pl|<-| - * |10 | |10| |21| |21| |21| |40| (prio) - * | | | | | | | | | | | | - * | | | | | | | | | | | | - * |node_list.next|<->|nl|<->|nl|<->|nl|<->|nl|<->|nl|<-| - * |node_list.prev|<------------------------------------| + * pl:prio_list (only for plist_node) + * nl:node_list + * HEAD| NODE(S) + * | + * ||------------------------------------| + * ||->|pl|<->|pl|<--------------->|pl|<-| + * | |10| |21| |21| |21| |40| (prio) + * | | | | | | | | | | | + * | | | | | | | | | | | + * |->|nl|<->|nl|<->|nl|<->|nl|<->|nl|<->|nl|<-| + * |-------------------------------------------| * * The nodes on the prio_list list are sorted by priority to simplify * the insertion of new nodes. There are no nodes with duplicate @@ -78,7 +80,6 @@ #include <linux/spinlock_types.h> struct plist_head { - struct list_head prio_list; struct list_head node_list; #ifdef CONFIG_DEBUG_PI_LIST raw_spinlock_t *rawlock; @@ -88,7 +89,8 @@ struct plist_head { struct plist_node { int prio; - struct plist_head plist; + struct list_head prio_list; + struct list_head node_list; }; #ifdef CONFIG_DEBUG_PI_LIST @@ -100,7 +102,6 @@ struct plist_node { #endif #define _PLIST_HEAD_INIT(head) \ - .prio_list = LIST_HEAD_INIT((head).prio_list), \ .node_list = LIST_HEAD_INIT((head).node_list) /** @@ -133,7 +134,8 @@ struct plist_node { #define PLIST_NODE_INIT(node, __prio) \ { \ .prio = (__prio), \ - .plist = { _PLIST_HEAD_INIT((node).plist) }, \ + .prio_list = LIST_HEAD_INIT((node).prio_list), \ + .node_list = LIST_HEAD_INIT((node).node_list), \ } /** @@ -144,7 +146,6 @@ struct plist_node { static inline void plist_head_init(struct plist_head *head, spinlock_t *lock) { - INIT_LIST_HEAD(&head->prio_list); INIT_LIST_HEAD(&head->node_list); #ifdef CONFIG_DEBUG_PI_LIST head->spinlock = lock; @@ -160,7 +161,6 @@ plist_head_init(struct plist_head *head, spinlock_t *lock) static inline void plist_head_init_raw(struct plist_head *head, raw_spinlock_t *lock) { - INIT_LIST_HEAD(&head->prio_list); INIT_LIST_HEAD(&head->node_list); #ifdef CONFIG_DEBUG_PI_LIST head->rawlock = lock; @@ -176,7 +176,8 @@ plist_head_init_raw(struct plist_head *head, raw_spinlock_t *lock) static inline void plist_node_init(struct plist_node *node, int prio) { node->prio = prio; - plist_head_init(&node->plist, NULL); + INIT_LIST_HEAD(&node->prio_list); + INIT_LIST_HEAD(&node->node_list); } extern void plist_add(struct plist_node *node, struct plist_head *head); @@ -188,7 +189,7 @@ extern void plist_del(struct plist_node *node, struct plist_head *head); * @head: the head for your list */ #define plist_for_each(pos, head) \ - list_for_each_entry(pos, &(head)->node_list, plist.node_list) + list_for_each_entry(pos, &(head)->node_list, node_list) /** * plist_for_each_safe - iterate safely over a plist of given type @@ -199,7 +200,7 @@ extern void plist_del(struct plist_node *node, struct plist_head *head); * Iterate over a plist of given type, safe against removal of list entry. */ #define plist_for_each_safe(pos, n, head) \ - list_for_each_entry_safe(pos, n, &(head)->node_list, plist.node_list) + list_for_each_entry_safe(pos, n, &(head)->node_list, node_list) /** * plist_for_each_entry - iterate over list of given type @@ -208,7 +209,7 @@ extern void plist_del(struct plist_node *node, struct plist_head *head); * @mem: the name of the list_struct within the struct */ #define plist_for_each_entry(pos, head, mem) \ - list_for_each_entry(pos, &(head)->node_list, mem.plist.node_list) + list_for_each_entry(pos, &(head)->node_list, mem.node_list) /** * plist_for_each_entry_safe - iterate safely over list of given type @@ -220,7 +221,7 @@ extern void plist_del(struct plist_node *node, struct plist_head *head); * Iterate over list of given type, safe against removal of list entry. */ #define plist_for_each_entry_safe(pos, n, head, m) \ - list_for_each_entry_safe(pos, n, &(head)->node_list, m.plist.node_list) + list_for_each_entry_safe(pos, n, &(head)->node_list, m.node_list) /** * plist_head_empty - return !0 if a plist_head is empty @@ -237,7 +238,7 @@ static inline int plist_head_empty(const struct plist_head *head) */ static inline int plist_node_empty(const struct plist_node *node) { - return plist_head_empty(&node->plist); + return list_empty(&node->node_list); } /* All functions below assume the plist_head is not empty. */ @@ -285,7 +286,7 @@ static inline int plist_node_empty(const struct plist_node *node) static inline struct plist_node *plist_first(const struct plist_head *head) { return list_entry(head->node_list.next, - struct plist_node, plist.node_list); + struct plist_node, node_list); } /** @@ -297,7 +298,7 @@ static inline struct plist_node *plist_first(const struct plist_head *head) static inline struct plist_node *plist_last(const struct plist_head *head) { return list_entry(head->node_list.prev, - struct plist_node, plist.node_list); + struct plist_node, node_list); } #endif diff --git a/include/linux/pm.h b/include/linux/pm.h index 21415cc91cbb..6618216bb973 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -267,7 +267,7 @@ const struct dev_pm_ops name = { \ * callbacks provided by device drivers supporting both the system sleep PM and * runtime PM, make the pm member point to generic_subsys_pm_ops. */ -#ifdef CONFIG_PM_OPS +#ifdef CONFIG_PM extern struct dev_pm_ops generic_subsys_pm_ops; #define GENERIC_SUBSYS_PM_OPS (&generic_subsys_pm_ops) #else @@ -465,6 +465,14 @@ struct dev_pm_info { extern void update_pm_runtime_accounting(struct device *dev); +/* + * Power domains provide callbacks that are executed during system suspend, + * hibernation, system resume and during runtime PM transitions along with + * subsystem-level and driver-level callbacks. + */ +struct dev_power_domain { + struct dev_pm_ops ops; +}; /* * The PM_EVENT_ messages are also used by drivers implementing the legacy @@ -565,15 +573,6 @@ enum dpm_order { DPM_ORDER_DEV_LAST, }; -/* - * Global Power Management flags - * Used to keep APM and ACPI from both being active - */ -extern unsigned int pm_flags; - -#define PM_APM 1 -#define PM_ACPI 2 - extern int pm_generic_suspend(struct device *dev); extern int pm_generic_resume(struct device *dev); extern int pm_generic_freeze(struct device *dev); diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index d34f067e2a7f..8de9aa6e7def 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -87,6 +87,11 @@ static inline bool pm_runtime_enabled(struct device *dev) return !dev->power.disable_depth; } +static inline bool pm_runtime_callbacks_present(struct device *dev) +{ + return !dev->power.no_callbacks; +} + static inline void pm_runtime_mark_last_busy(struct device *dev) { ACCESS_ONCE(dev->power.last_busy) = jiffies; @@ -133,6 +138,7 @@ static inline int pm_generic_runtime_resume(struct device *dev) { return 0; } static inline void pm_runtime_no_callbacks(struct device *dev) {} static inline void pm_runtime_irq_safe(struct device *dev) {} +static inline bool pm_runtime_callbacks_present(struct device *dev) { return false; } static inline void pm_runtime_mark_last_busy(struct device *dev) {} static inline void __pm_runtime_use_autosuspend(struct device *dev, bool use) {} diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h index 03a67db03d01..a32da962d693 100644 --- a/include/linux/pm_wakeup.h +++ b/include/linux/pm_wakeup.h @@ -62,18 +62,11 @@ struct wakeup_source { * Changes to device_may_wakeup take effect on the next pm state change. */ -static inline void device_set_wakeup_capable(struct device *dev, bool capable) -{ - dev->power.can_wakeup = capable; -} - static inline bool device_can_wakeup(struct device *dev) { return dev->power.can_wakeup; } - - static inline bool device_may_wakeup(struct device *dev) { return dev->power.can_wakeup && !!dev->power.wakeup; @@ -88,6 +81,7 @@ extern struct wakeup_source *wakeup_source_register(const char *name); extern void wakeup_source_unregister(struct wakeup_source *ws); extern int device_wakeup_enable(struct device *dev); extern int device_wakeup_disable(struct device *dev); +extern void device_set_wakeup_capable(struct device *dev, bool capable); extern int device_init_wakeup(struct device *dev, bool val); extern int device_set_wakeup_enable(struct device *dev, bool enable); extern void __pm_stay_awake(struct wakeup_source *ws); diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h new file mode 100644 index 000000000000..369e19d3750b --- /dev/null +++ b/include/linux/posix-clock.h @@ -0,0 +1,150 @@ +/* + * posix-clock.h - support for dynamic clock devices + * + * Copyright (C) 2010 OMICRON electronics GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#ifndef _LINUX_POSIX_CLOCK_H_ +#define _LINUX_POSIX_CLOCK_H_ + +#include <linux/cdev.h> +#include <linux/fs.h> +#include <linux/poll.h> +#include <linux/posix-timers.h> + +struct posix_clock; + +/** + * struct posix_clock_operations - functional interface to the clock + * + * Every posix clock is represented by a character device. Drivers may + * optionally offer extended capabilities by implementing the + * character device methods. The character device file operations are + * first handled by the clock device layer, then passed on to the + * driver by calling these functions. + * + * @owner: The clock driver should set to THIS_MODULE + * @clock_adjtime: Adjust the clock + * @clock_gettime: Read the current time + * @clock_getres: Get the clock resolution + * @clock_settime: Set the current time value + * @timer_create: Create a new timer + * @timer_delete: Remove a previously created timer + * @timer_gettime: Get remaining time and interval of a timer + * @timer_setttime: Set a timer's initial expiration and interval + * @fasync: Optional character device fasync method + * @mmap: Optional character device mmap method + * @open: Optional character device open method + * @release: Optional character device release method + * @ioctl: Optional character device ioctl method + * @read: Optional character device read method + * @poll: Optional character device poll method + */ +struct posix_clock_operations { + struct module *owner; + + int (*clock_adjtime)(struct posix_clock *pc, struct timex *tx); + + int (*clock_gettime)(struct posix_clock *pc, struct timespec *ts); + + int (*clock_getres) (struct posix_clock *pc, struct timespec *ts); + + int (*clock_settime)(struct posix_clock *pc, + const struct timespec *ts); + + int (*timer_create) (struct posix_clock *pc, struct k_itimer *kit); + + int (*timer_delete) (struct posix_clock *pc, struct k_itimer *kit); + + void (*timer_gettime)(struct posix_clock *pc, + struct k_itimer *kit, struct itimerspec *tsp); + + int (*timer_settime)(struct posix_clock *pc, + struct k_itimer *kit, int flags, + struct itimerspec *tsp, struct itimerspec *old); + /* + * Optional character device methods: + */ + int (*fasync) (struct posix_clock *pc, + int fd, struct file *file, int on); + + long (*ioctl) (struct posix_clock *pc, + unsigned int cmd, unsigned long arg); + + int (*mmap) (struct posix_clock *pc, + struct vm_area_struct *vma); + + int (*open) (struct posix_clock *pc, fmode_t f_mode); + + uint (*poll) (struct posix_clock *pc, + struct file *file, poll_table *wait); + + int (*release) (struct posix_clock *pc); + + ssize_t (*read) (struct posix_clock *pc, + uint flags, char __user *buf, size_t cnt); +}; + +/** + * struct posix_clock - represents a dynamic posix clock + * + * @ops: Functional interface to the clock + * @cdev: Character device instance for this clock + * @kref: Reference count. + * @mutex: Protects the 'zombie' field from concurrent access. + * @zombie: If 'zombie' is true, then the hardware has disappeared. + * @release: A function to free the structure when the reference count reaches + * zero. May be NULL if structure is statically allocated. + * + * Drivers should embed their struct posix_clock within a private + * structure, obtaining a reference to it during callbacks using + * container_of(). + */ +struct posix_clock { + struct posix_clock_operations ops; + struct cdev cdev; + struct kref kref; + struct mutex mutex; + bool zombie; + void (*release)(struct posix_clock *clk); +}; + +/** + * posix_clock_register() - register a new clock + * @clk: Pointer to the clock. Caller must provide 'ops' and 'release' + * @devid: Allocated device id + * + * A clock driver calls this function to register itself with the + * clock device subsystem. If 'clk' points to dynamically allocated + * memory, then the caller must provide a 'release' function to free + * that memory. + * + * Returns zero on success, non-zero otherwise. + */ +int posix_clock_register(struct posix_clock *clk, dev_t devid); + +/** + * posix_clock_unregister() - unregister a clock + * @clk: Clock instance previously registered via posix_clock_register() + * + * A clock driver calls this function to remove itself from the clock + * device subsystem. The posix_clock itself will remain (in an + * inactive state) until its reference count drops to zero, at which + * point it will be deallocated with its 'release' method. + */ +void posix_clock_unregister(struct posix_clock *clk); + +#endif diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index 3e23844a6990..d51243ae0726 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -4,6 +4,7 @@ #include <linux/spinlock.h> #include <linux/list.h> #include <linux/sched.h> +#include <linux/timex.h> union cpu_time_count { cputime_t cpu; @@ -17,10 +18,21 @@ struct cpu_timer_list { int firing; }; +/* + * Bit fields within a clockid: + * + * The most significant 29 bits hold either a pid or a file descriptor. + * + * Bit 2 indicates whether a cpu clock refers to a thread or a process. + * + * Bits 1 and 0 give the type: PROF=0, VIRT=1, SCHED=2, or FD=3. + * + * A clockid is invalid if bits 2, 1, and 0 are all set. + */ #define CPUCLOCK_PID(clock) ((pid_t) ~((clock) >> 3)) #define CPUCLOCK_PERTHREAD(clock) \ (((clock) & (clockid_t) CPUCLOCK_PERTHREAD_MASK) != 0) -#define CPUCLOCK_PID_MASK 7 + #define CPUCLOCK_PERTHREAD_MASK 4 #define CPUCLOCK_WHICH(clock) ((clock) & (clockid_t) CPUCLOCK_CLOCK_MASK) #define CPUCLOCK_CLOCK_MASK 3 @@ -28,12 +40,17 @@ struct cpu_timer_list { #define CPUCLOCK_VIRT 1 #define CPUCLOCK_SCHED 2 #define CPUCLOCK_MAX 3 +#define CLOCKFD CPUCLOCK_MAX +#define CLOCKFD_MASK (CPUCLOCK_PERTHREAD_MASK|CPUCLOCK_CLOCK_MASK) #define MAKE_PROCESS_CPUCLOCK(pid, clock) \ ((~(clockid_t) (pid) << 3) | (clockid_t) (clock)) #define MAKE_THREAD_CPUCLOCK(tid, clock) \ MAKE_PROCESS_CPUCLOCK((tid), (clock) | CPUCLOCK_PERTHREAD_MASK) +#define FD_TO_CLOCKID(fd) ((~(clockid_t) (fd) << 3) | CLOCKFD) +#define CLOCKID_TO_FD(clk) ((unsigned int) ~((clk) >> 3)) + /* POSIX.1b interval timer structure. */ struct k_itimer { struct list_head list; /* free/ allocate list */ @@ -67,10 +84,11 @@ struct k_itimer { }; struct k_clock { - int res; /* in nanoseconds */ int (*clock_getres) (const clockid_t which_clock, struct timespec *tp); - int (*clock_set) (const clockid_t which_clock, struct timespec * tp); + int (*clock_set) (const clockid_t which_clock, + const struct timespec *tp); int (*clock_get) (const clockid_t which_clock, struct timespec * tp); + int (*clock_adj) (const clockid_t which_clock, struct timex *tx); int (*timer_create) (struct k_itimer *timer); int (*nsleep) (const clockid_t which_clock, int flags, struct timespec *, struct timespec __user *); @@ -84,28 +102,14 @@ struct k_clock { struct itimerspec * cur_setting); }; -void register_posix_clock(const clockid_t clock_id, struct k_clock *new_clock); +extern struct k_clock clock_posix_cpu; +extern struct k_clock clock_posix_dynamic; -/* error handlers for timer_create, nanosleep and settime */ -int do_posix_clock_nonanosleep(const clockid_t, int flags, struct timespec *, - struct timespec __user *); -int do_posix_clock_nosettime(const clockid_t, struct timespec *tp); +void posix_timers_register_clock(const clockid_t clock_id, struct k_clock *new_clock); /* function to call to trigger timer event */ int posix_timer_event(struct k_itimer *timr, int si_private); -int posix_cpu_clock_getres(const clockid_t which_clock, struct timespec *ts); -int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *ts); -int posix_cpu_clock_set(const clockid_t which_clock, const struct timespec *ts); -int posix_cpu_timer_create(struct k_itimer *timer); -int posix_cpu_nsleep(const clockid_t which_clock, int flags, - struct timespec *rqtp, struct timespec __user *rmtp); -long posix_cpu_nsleep_restart(struct restart_block *restart_block); -int posix_cpu_timer_set(struct k_itimer *timer, int flags, - struct itimerspec *new, struct itimerspec *old); -int posix_cpu_timer_del(struct k_itimer *timer); -void posix_cpu_timer_get(struct k_itimer *timer, struct itimerspec *itp); - void posix_cpu_timer_schedule(struct k_itimer *timer); void run_posix_cpu_timers(struct task_struct *task); diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h index 3b94c91f20a6..6deef5dc95fb 100644 --- a/include/linux/reiserfs_xattr.h +++ b/include/linux/reiserfs_xattr.h @@ -63,6 +63,7 @@ extern const struct xattr_handler reiserfs_xattr_trusted_handler; extern const struct xattr_handler reiserfs_xattr_security_handler; #ifdef CONFIG_REISERFS_FS_SECURITY int reiserfs_security_init(struct inode *dir, struct inode *inode, + const struct qstr *qstr, struct reiserfs_security_handle *sec); int reiserfs_security_write(struct reiserfs_transaction_handle *th, struct inode *inode, @@ -130,6 +131,7 @@ static inline void reiserfs_init_xattr_rwsem(struct inode *inode) #ifndef CONFIG_REISERFS_FS_SECURITY static inline int reiserfs_security_init(struct inode *dir, struct inode *inode, + const struct qstr *qstr, struct reiserfs_security_handle *sec) { return 0; diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 8d3a2486544d..ab38ac80b0f9 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -100,6 +100,8 @@ void ring_buffer_free(struct ring_buffer *buffer); int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size); +void ring_buffer_change_overwrite(struct ring_buffer *buffer, int val); + struct ring_buffer_event *ring_buffer_lock_reserve(struct ring_buffer *buffer, unsigned long length); int ring_buffer_unlock_commit(struct ring_buffer *buffer, diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 89c3e5182991..2ca7e8a78060 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -133,7 +133,6 @@ extern struct class *rtc_class; * The (current) exceptions are mostly filesystem hooks: * - the proc() hook for procfs * - non-ioctl() chardev hooks: open(), release(), read_callback() - * - periodic irq calls: irq_set_state(), irq_set_freq() * * REVISIT those periodic irq calls *do* have ops_lock when they're * issued through ioctl() ... @@ -148,11 +147,8 @@ struct rtc_class_ops { int (*set_alarm)(struct device *, struct rtc_wkalrm *); int (*proc)(struct device *, struct seq_file *); int (*set_mmss)(struct device *, unsigned long secs); - int (*irq_set_state)(struct device *, int enabled); - int (*irq_set_freq)(struct device *, int freq); int (*read_callback)(struct device *, int data); int (*alarm_irq_enable)(struct device *, unsigned int enabled); - int (*update_irq_enable)(struct device *, unsigned int enabled); }; #define RTC_DEVICE_NAME_SIZE 20 @@ -227,6 +223,7 @@ extern void rtc_device_unregister(struct rtc_device *rtc); extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm); extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm); extern int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs); +int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm); extern int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alrm); extern int rtc_set_alarm(struct rtc_device *rtc, diff --git a/include/linux/rwlock_types.h b/include/linux/rwlock_types.h index bd31808c7d8e..cc0072e93e36 100644 --- a/include/linux/rwlock_types.h +++ b/include/linux/rwlock_types.h @@ -43,14 +43,6 @@ typedef struct { RW_DEP_MAP_INIT(lockname) } #endif -/* - * RW_LOCK_UNLOCKED defeat lockdep state tracking and is hence - * deprecated. - * - * Please use DEFINE_RWLOCK() or __RW_LOCK_UNLOCKED() as appropriate. - */ -#define RW_LOCK_UNLOCKED __RW_LOCK_UNLOCKED(old_style_rw_init) - #define DEFINE_RWLOCK(x) rwlock_t x = __RW_LOCK_UNLOCKED(x) #endif /* __LINUX_RWLOCK_TYPES_H */ diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h index bdfcc2527970..34701241b673 100644 --- a/include/linux/rwsem-spinlock.h +++ b/include/linux/rwsem-spinlock.h @@ -12,15 +12,7 @@ #error "please don't include linux/rwsem-spinlock.h directly, use linux/rwsem.h instead" #endif -#include <linux/spinlock.h> -#include <linux/list.h> - #ifdef __KERNEL__ - -#include <linux/types.h> - -struct rwsem_waiter; - /* * the rw-semaphore definition * - if activity is 0 then there are no active readers or writers @@ -37,28 +29,7 @@ struct rw_semaphore { #endif }; -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } -#else -# define __RWSEM_DEP_MAP_INIT(lockname) -#endif - -#define __RWSEM_INITIALIZER(name) \ -{ 0, __SPIN_LOCK_UNLOCKED(name.wait_lock), LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEP_MAP_INIT(name) } - -#define DECLARE_RWSEM(name) \ - struct rw_semaphore name = __RWSEM_INITIALIZER(name) - -extern void __init_rwsem(struct rw_semaphore *sem, const char *name, - struct lock_class_key *key); - -#define init_rwsem(sem) \ -do { \ - static struct lock_class_key __key; \ - \ - __init_rwsem((sem), #sem, &__key); \ -} while (0) +#define RWSEM_UNLOCKED_VALUE 0x00000000 extern void __down_read(struct rw_semaphore *sem); extern int __down_read_trylock(struct rw_semaphore *sem); diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index efd348fe8ca7..a8afe9cd000c 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -11,6 +11,9 @@ #include <linux/types.h> #include <linux/kernel.h> +#include <linux/list.h> +#include <linux/spinlock.h> + #include <asm/system.h> #include <asm/atomic.h> @@ -19,9 +22,57 @@ struct rw_semaphore; #ifdef CONFIG_RWSEM_GENERIC_SPINLOCK #include <linux/rwsem-spinlock.h> /* use a generic implementation */ #else -#include <asm/rwsem.h> /* use an arch-specific implementation */ +/* All arch specific implementations share the same struct */ +struct rw_semaphore { + long count; + spinlock_t wait_lock; + struct list_head wait_list; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +}; + +extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *); +extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); + +/* Include the arch specific part */ +#include <asm/rwsem.h> + +/* In all implementations count != 0 means locked */ +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return sem->count != 0; +} + +#endif + +/* Common initializer macros and functions */ + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } +#else +# define __RWSEM_DEP_MAP_INIT(lockname) #endif +#define __RWSEM_INITIALIZER(name) \ + { RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED(name.wait_lock), \ + LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) } + +#define DECLARE_RWSEM(name) \ + struct rw_semaphore name = __RWSEM_INITIALIZER(name) + +extern void __init_rwsem(struct rw_semaphore *sem, const char *name, + struct lock_class_key *key); + +#define init_rwsem(sem) \ +do { \ + static struct lock_class_key __key; \ + \ + __init_rwsem((sem), #sem, &__key); \ +} while (0) + /* * lock for reading */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 777d8a5ed06b..c15936fe998b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1058,6 +1058,7 @@ struct sched_class { void (*enqueue_task) (struct rq *rq, struct task_struct *p, int flags); void (*dequeue_task) (struct rq *rq, struct task_struct *p, int flags); void (*yield_task) (struct rq *rq); + bool (*yield_to_task) (struct rq *rq, struct task_struct *p, bool preempt); void (*check_preempt_curr) (struct rq *rq, struct task_struct *p, int flags); @@ -1084,12 +1085,10 @@ struct sched_class { void (*task_tick) (struct rq *rq, struct task_struct *p, int queued); void (*task_fork) (struct task_struct *p); - void (*switched_from) (struct rq *this_rq, struct task_struct *task, - int running); - void (*switched_to) (struct rq *this_rq, struct task_struct *task, - int running); + void (*switched_from) (struct rq *this_rq, struct task_struct *task); + void (*switched_to) (struct rq *this_rq, struct task_struct *task); void (*prio_changed) (struct rq *this_rq, struct task_struct *task, - int oldprio, int running); + int oldprio); unsigned int (*get_rr_interval) (struct rq *rq, struct task_struct *task); @@ -1715,7 +1714,6 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t * /* * Per process flags */ -#define PF_KSOFTIRQD 0x00000001 /* I am ksoftirqd */ #define PF_STARTING 0x00000002 /* being created */ #define PF_EXITING 0x00000004 /* getting shut down */ #define PF_EXITPIDONE 0x00000008 /* pi exit done on shut down */ @@ -1945,8 +1943,6 @@ int sched_rt_handler(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); -extern unsigned int sysctl_sched_compat_yield; - #ifdef CONFIG_SCHED_AUTOGROUP extern unsigned int sysctl_sched_autogroup_enabled; @@ -1977,6 +1973,7 @@ static inline int rt_mutex_getprio(struct task_struct *p) # define rt_mutex_adjust_pi(p) do { } while (0) #endif +extern bool yield_to(struct task_struct *p, bool preempt); extern void set_user_nice(struct task_struct *p, long nice); extern int task_prio(const struct task_struct *p); extern int task_nice(const struct task_struct *p); @@ -2049,7 +2046,7 @@ extern void release_uids(struct user_namespace *ns); #include <asm/current.h> -extern void do_timer(unsigned long ticks); +extern void xtime_update(unsigned long ticks); extern int wake_up_state(struct task_struct *tsk, unsigned int state); extern int wake_up_process(struct task_struct *tsk); @@ -2578,13 +2575,6 @@ static inline void inc_syscw(struct task_struct *tsk) #define TASK_SIZE_OF(tsk) TASK_SIZE #endif -/* - * Call the function if the target task is executing on a CPU right now: - */ -extern void task_oncpu_function_call(struct task_struct *p, - void (*func) (void *info), void *info); - - #ifdef CONFIG_MM_OWNER extern void mm_update_next_owner(struct mm_struct *mm); extern void mm_init_owner(struct mm_struct *mm, struct task_struct *p); diff --git a/include/linux/security.h b/include/linux/security.h index 9b5f184a7f65..56cac520d014 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -25,6 +25,7 @@ #include <linux/fs.h> #include <linux/fsnotify.h> #include <linux/binfmts.h> +#include <linux/dcache.h> #include <linux/signal.h> #include <linux/resource.h> #include <linux/sem.h> @@ -53,7 +54,7 @@ struct audit_krule; */ extern int cap_capable(struct task_struct *tsk, const struct cred *cred, int cap, int audit); -extern int cap_settime(struct timespec *ts, struct timezone *tz); +extern int cap_settime(const struct timespec *ts, const struct timezone *tz); extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode); extern int cap_ptrace_traceme(struct task_struct *parent); extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); @@ -267,6 +268,12 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @orig the original mount data copied from userspace. * @copy copied data which will be passed to the security module. * Returns 0 if the copy was successful. + * @sb_remount: + * Extracts security system specifc mount options and verifys no changes + * are being made to those options. + * @sb superblock being remounted + * @data contains the filesystem-specific data. + * Return 0 if permission is granted. * @sb_umount: * Check permission before the @mnt file system is unmounted. * @mnt contains the mounted file system. @@ -315,6 +322,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * then it should return -EOPNOTSUPP to skip this processing. * @inode contains the inode structure of the newly created inode. * @dir contains the inode structure of the parent directory. + * @qstr contains the last path component of the new object * @name will be set to the allocated name suffix (e.g. selinux). * @value will be set to the allocated attribute value. * @len will be set to the length of the value. @@ -1257,12 +1265,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @cap contains the capability <include/linux/capability.h>. * @audit: Whether to write an audit message or not * Return 0 if the capability is granted for @tsk. - * @sysctl: - * Check permission before accessing the @table sysctl variable in the - * manner specified by @op. - * @table contains the ctl_table structure for the sysctl variable. - * @op contains the operation (001 = search, 002 = write, 004 = read). - * Return 0 if permission is granted. * @syslog: * Check permission before accessing the kernel message ring or changing * logging to the console. @@ -1383,11 +1385,10 @@ struct security_operations { const kernel_cap_t *permitted); int (*capable) (struct task_struct *tsk, const struct cred *cred, int cap, int audit); - int (*sysctl) (struct ctl_table *table, int op); int (*quotactl) (int cmds, int type, int id, struct super_block *sb); int (*quota_on) (struct dentry *dentry); int (*syslog) (int type); - int (*settime) (struct timespec *ts, struct timezone *tz); + int (*settime) (const struct timespec *ts, const struct timezone *tz); int (*vm_enough_memory) (struct mm_struct *mm, long pages); int (*bprm_set_creds) (struct linux_binprm *bprm); @@ -1399,6 +1400,7 @@ struct security_operations { int (*sb_alloc_security) (struct super_block *sb); void (*sb_free_security) (struct super_block *sb); int (*sb_copy_data) (char *orig, char *copy); + int (*sb_remount) (struct super_block *sb, void *data); int (*sb_kern_mount) (struct super_block *sb, int flags, void *data); int (*sb_show_options) (struct seq_file *m, struct super_block *sb); int (*sb_statfs) (struct dentry *dentry); @@ -1435,7 +1437,8 @@ struct security_operations { int (*inode_alloc_security) (struct inode *inode); void (*inode_free_security) (struct inode *inode); int (*inode_init_security) (struct inode *inode, struct inode *dir, - char **name, void **value, size_t *len); + const struct qstr *qstr, char **name, + void **value, size_t *len); int (*inode_create) (struct inode *dir, struct dentry *dentry, int mode); int (*inode_link) (struct dentry *old_dentry, @@ -1665,11 +1668,10 @@ int security_capset(struct cred *new, const struct cred *old, int security_capable(const struct cred *cred, int cap); int security_real_capable(struct task_struct *tsk, int cap); int security_real_capable_noaudit(struct task_struct *tsk, int cap); -int security_sysctl(struct ctl_table *table, int op); int security_quotactl(int cmds, int type, int id, struct super_block *sb); int security_quota_on(struct dentry *dentry); int security_syslog(int type); -int security_settime(struct timespec *ts, struct timezone *tz); +int security_settime(const struct timespec *ts, const struct timezone *tz); int security_vm_enough_memory(long pages); int security_vm_enough_memory_mm(struct mm_struct *mm, long pages); int security_vm_enough_memory_kern(long pages); @@ -1681,6 +1683,7 @@ int security_bprm_secureexec(struct linux_binprm *bprm); int security_sb_alloc(struct super_block *sb); void security_sb_free(struct super_block *sb); int security_sb_copy_data(char *orig, char *copy); +int security_sb_remount(struct super_block *sb, void *data); int security_sb_kern_mount(struct super_block *sb, int flags, void *data); int security_sb_show_options(struct seq_file *m, struct super_block *sb); int security_sb_statfs(struct dentry *dentry); @@ -1696,7 +1699,8 @@ int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts); int security_inode_alloc(struct inode *inode); void security_inode_free(struct inode *inode); int security_inode_init_security(struct inode *inode, struct inode *dir, - char **name, void **value, size_t *len); + const struct qstr *qstr, char **name, + void **value, size_t *len); int security_inode_create(struct inode *dir, struct dentry *dentry, int mode); int security_inode_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry); @@ -1883,11 +1887,6 @@ int security_real_capable_noaudit(struct task_struct *tsk, int cap) return ret; } -static inline int security_sysctl(struct ctl_table *table, int op) -{ - return 0; -} - static inline int security_quotactl(int cmds, int type, int id, struct super_block *sb) { @@ -1904,7 +1903,8 @@ static inline int security_syslog(int type) return 0; } -static inline int security_settime(struct timespec *ts, struct timezone *tz) +static inline int security_settime(const struct timespec *ts, + const struct timezone *tz) { return cap_settime(ts, tz); } @@ -1964,6 +1964,11 @@ static inline int security_sb_copy_data(char *orig, char *copy) return 0; } +static inline int security_sb_remount(struct super_block *sb, void *data) +{ + return 0; +} + static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data) { return 0; @@ -2023,6 +2028,7 @@ static inline void security_inode_free(struct inode *inode) static inline int security_inode_init_security(struct inode *inode, struct inode *dir, + const struct qstr *qstr, char **name, void **value, size_t *len) diff --git a/include/linux/spi/ifx_modem.h b/include/linux/spi/ifx_modem.h index a68f3b19d112..394fec9e7722 100644 --- a/include/linux/spi/ifx_modem.h +++ b/include/linux/spi/ifx_modem.h @@ -2,13 +2,18 @@ #define LINUX_IFX_MODEM_H struct ifx_modem_platform_data { - unsigned short rst_out; /* modem reset out */ - unsigned short pwr_on; /* power on */ - unsigned short rst_pmu; /* reset modem */ - unsigned short tx_pwr; /* modem power threshold */ - unsigned short srdy; /* SRDY */ - unsigned short mrdy; /* MRDY */ - unsigned short is_6160; /* Modem type */ + unsigned short rst_out; /* modem reset out */ + unsigned short pwr_on; /* power on */ + unsigned short rst_pmu; /* reset modem */ + unsigned short tx_pwr; /* modem power threshold */ + unsigned short srdy; /* SRDY */ + unsigned short mrdy; /* MRDY */ + unsigned char modem_type; /* Modem type */ + unsigned long max_hz; /* max SPI frequency */ + unsigned short use_dma:1; /* spi protocol driver supplies + dma-able addrs */ }; +#define IFX_MODEM_6160 1 +#define IFX_MODEM_6260 2 #endif diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h index 851b7783720d..73548eb13a5d 100644 --- a/include/linux/spinlock_types.h +++ b/include/linux/spinlock_types.h @@ -81,14 +81,6 @@ typedef struct spinlock { #define __SPIN_LOCK_UNLOCKED(lockname) \ (spinlock_t ) __SPIN_LOCK_INITIALIZER(lockname) -/* - * SPIN_LOCK_UNLOCKED defeats lockdep state tracking and is hence - * deprecated. - * Please use DEFINE_SPINLOCK() or __SPIN_LOCK_UNLOCKED() as - * appropriate. - */ -#define SPIN_LOCK_UNLOCKED __SPIN_LOCK_UNLOCKED(old_style_spin_init) - #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) #include <linux/rwlock_types.h> diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 88513fd8e208..d81db8012c63 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -212,6 +212,7 @@ struct rpc_task *rpc_run_task(const struct rpc_task_setup *); struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req, const struct rpc_call_ops *ops); void rpc_put_task(struct rpc_task *); +void rpc_put_task_async(struct rpc_task *); void rpc_exit_task(struct rpc_task *); void rpc_exit(struct rpc_task *, int); void rpc_release_calldata(const struct rpc_call_ops *, void *); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 98664db1be47..1f5c18e6f4f1 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -62,6 +62,7 @@ struct robust_list_head; struct getcpu_cache; struct old_linux_dirent; struct perf_event_attr; +struct file_handle; #include <linux/types.h> #include <linux/aio_abi.h> @@ -132,11 +133,11 @@ extern struct trace_event_functions exit_syscall_print_funcs; .class = &event_class_syscall_enter, \ .event.funcs = &enter_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ + .flags = TRACE_EVENT_FL_CAP_ANY, \ }; \ static struct ftrace_event_call __used \ __attribute__((section("_ftrace_events"))) \ - *__event_enter_##sname = &event_enter_##sname; \ - __TRACE_EVENT_FLAGS(enter_##sname, TRACE_EVENT_FL_CAP_ANY) + *__event_enter_##sname = &event_enter_##sname; #define SYSCALL_TRACE_EXIT_EVENT(sname) \ static struct syscall_metadata __syscall_meta_##sname; \ @@ -146,11 +147,11 @@ extern struct trace_event_functions exit_syscall_print_funcs; .class = &event_class_syscall_exit, \ .event.funcs = &exit_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ + .flags = TRACE_EVENT_FL_CAP_ANY, \ }; \ static struct ftrace_event_call __used \ __attribute__((section("_ftrace_events"))) \ - *__event_exit_##sname = &event_exit_##sname; \ - __TRACE_EVENT_FLAGS(exit_##sname, TRACE_EVENT_FL_CAP_ANY) + *__event_exit_##sname = &event_exit_##sname; #define SYSCALL_METADATA(sname, nb) \ SYSCALL_TRACE_ENTER_EVENT(sname); \ @@ -158,6 +159,7 @@ extern struct trace_event_functions exit_syscall_print_funcs; static struct syscall_metadata __used \ __syscall_meta_##sname = { \ .name = "sys"#sname, \ + .syscall_nr = -1, /* Filled in at boot */ \ .nb_args = nb, \ .types = types_##sname, \ .args = args_##sname, \ @@ -175,6 +177,7 @@ extern struct trace_event_functions exit_syscall_print_funcs; static struct syscall_metadata __used \ __syscall_meta__##sname = { \ .name = "sys_"#sname, \ + .syscall_nr = -1, /* Filled in at boot */ \ .nb_args = 0, \ .enter_event = &event_enter__##sname, \ .exit_event = &event_exit__##sname, \ @@ -313,6 +316,8 @@ asmlinkage long sys_clock_settime(clockid_t which_clock, const struct timespec __user *tp); asmlinkage long sys_clock_gettime(clockid_t which_clock, struct timespec __user *tp); +asmlinkage long sys_clock_adjtime(clockid_t which_clock, + struct timex __user *tx); asmlinkage long sys_clock_getres(clockid_t which_clock, struct timespec __user *tp); asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags, @@ -832,5 +837,10 @@ asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff); asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg); - +asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name, + struct file_handle __user *handle, + int __user *mnt_id, int flag); +asmlinkage long sys_open_by_handle_at(int mountdirfd, + struct file_handle __user *handle, + int flags); #endif diff --git a/include/linux/syscore_ops.h b/include/linux/syscore_ops.h new file mode 100644 index 000000000000..27b3b0bc41a9 --- /dev/null +++ b/include/linux/syscore_ops.h @@ -0,0 +1,29 @@ +/* + * syscore_ops.h - System core operations. + * + * Copyright (C) 2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc. + * + * This file is released under the GPLv2. + */ + +#ifndef _LINUX_SYSCORE_OPS_H +#define _LINUX_SYSCORE_OPS_H + +#include <linux/list.h> + +struct syscore_ops { + struct list_head node; + int (*suspend)(void); + void (*resume)(void); + void (*shutdown)(void); +}; + +extern void register_syscore_ops(struct syscore_ops *ops); +extern void unregister_syscore_ops(struct syscore_ops *ops); +#ifdef CONFIG_PM_SLEEP +extern int syscore_suspend(void); +extern void syscore_resume(void); +#endif +extern void syscore_shutdown(void); + +#endif diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index c90696544176..20fc303947d3 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -18,9 +18,6 @@ struct compat_timespec; struct restart_block { long (*fn)(struct restart_block *); union { - struct { - unsigned long arg0, arg1, arg2, arg3; - }; /* For futex_wait and futex_wait_requeue_pi */ struct { u32 __user *uaddr; diff --git a/include/linux/ti_wilink_st.h b/include/linux/ti_wilink_st.h index 4c7be2263011..7071ec5d0118 100644 --- a/include/linux/ti_wilink_st.h +++ b/include/linux/ti_wilink_st.h @@ -26,15 +26,6 @@ #define TI_WILINK_ST_H /** - * enum kim_gpio_state - Few protocols such as FM have ACTIVE LOW - * gpio states for their chip/core enable gpios - */ -enum kim_gpio_state { - KIM_GPIO_INACTIVE, - KIM_GPIO_ACTIVE, -}; - -/** * enum proto-type - The protocol on WiLink chips which share a * common physical interface like UART. */ @@ -42,7 +33,7 @@ enum proto_type { ST_BT, ST_FM, ST_GPS, - ST_MAX, + ST_MAX_CHANNELS = 16, }; /** @@ -62,6 +53,17 @@ enum proto_type { * @priv_data: privdate data holder for the protocol drivers, sent * from the protocol drivers during registration, and sent back on * reg_complete_cb and recv. + * @chnl_id: channel id the protocol driver is interested in, the channel + * id is nothing but the 1st byte of the packet in UART frame. + * @max_frame_size: size of the largest frame the protocol can receive. + * @hdr_len: length of the header structure of the protocol. + * @offset_len_in_hdr: this provides the offset of the length field in the + * header structure of the protocol header, to assist ST to know + * how much to receive, if the data is split across UART frames. + * @len_size: whether the length field inside the header is 2 bytes + * or 1 byte. + * @reserve: the number of bytes ST needs to reserve in the skb being + * prepared for the protocol driver. */ struct st_proto_s { enum proto_type type; @@ -70,10 +72,17 @@ struct st_proto_s { void (*reg_complete_cb) (void *, char data); long (*write) (struct sk_buff *skb); void *priv_data; + + unsigned char chnl_id; + unsigned short max_frame_size; + unsigned char hdr_len; + unsigned char offset_len_in_hdr; + unsigned char len_size; + unsigned char reserve; }; extern long st_register(struct st_proto_s *); -extern long st_unregister(enum proto_type); +extern long st_unregister(struct st_proto_s *); /* @@ -114,6 +123,7 @@ extern long st_unregister(enum proto_type); * @rx_skb: the skb where all data for a protocol gets accumulated, * since tty might not call receive when a complete event packet * is received, the states, count and the skb needs to be maintained. + * @rx_chnl: the channel ID for which the data is getting accumalated for. * @txq: the list of skbs which needs to be sent onto the TTY. * @tx_waitq: if the chip is not in AWAKE state, the skbs needs to be queued * up in here, PM(WAKEUP_IND) data needs to be sent and then the skbs @@ -135,10 +145,11 @@ struct st_data_s { #define ST_TX_SENDING 1 #define ST_TX_WAKEUP 2 unsigned long tx_state; - struct st_proto_s *list[ST_MAX]; + struct st_proto_s *list[ST_MAX_CHANNELS]; unsigned long rx_state; unsigned long rx_count; struct sk_buff *rx_skb; + unsigned char rx_chnl; struct sk_buff_head txq, tx_waitq; spinlock_t lock; unsigned char protos_registered; @@ -146,6 +157,11 @@ struct st_data_s { void *kim_data; }; +/* + * wrapper around tty->ops->write_room to check + * availability during firmware download + */ +int st_get_uart_wr_room(struct st_data_s *st_gdata); /** * st_int_write - * point this to tty->driver->write or tty->ops->write @@ -186,8 +202,9 @@ void gps_chrdrv_stub_init(void); /* time in msec to wait for * line discipline to be installed */ -#define LDISC_TIME 500 -#define CMD_RESP_TIME 500 +#define LDISC_TIME 1000 +#define CMD_RESP_TIME 800 +#define CMD_WR_TIME 5000 #define MAKEWORD(a, b) ((unsigned short)(((unsigned char)(a)) \ | ((unsigned short)((unsigned char)(b))) << 8)) @@ -210,6 +227,7 @@ struct chip_version { unsigned short maj_ver; }; +#define UART_DEV_NAME_LEN 32 /** * struct kim_data_s - the KIM internal data, embedded as the * platform's drv data. One for each ST device in the system. @@ -225,14 +243,11 @@ struct chip_version { * the ldisc was properly installed. * @resp_buffer: data buffer for the .bts fw file name. * @fw_entry: firmware class struct to request/release the fw. - * @gpios: the list of core/chip enable gpios for BT, FM and GPS cores. * @rx_state: the rx state for kim's receive func during fw download. * @rx_count: the rx count for the kim's receive func during fw download. * @rx_skb: all of fw data might not come at once, and hence data storage for * whole of the fw response, only HCI_EVENTs and hence diff from ST's * response. - * @rfkill: rfkill data for each of the cores to be registered with rfkill. - * @rf_protos: proto types of the data registered with rfkill sub-system. * @core_data: ST core's data, which mainly is the tty's disc_data * @version: chip version available via a sysfs entry. * @@ -243,14 +258,16 @@ struct kim_data_s { struct completion kim_rcvd, ldisc_installed; char resp_buffer[30]; const struct firmware *fw_entry; - long gpios[ST_MAX]; + long nshutdown; unsigned long rx_state; unsigned long rx_count; struct sk_buff *rx_skb; - struct rfkill *rfkill[ST_MAX]; - enum proto_type rf_protos[ST_MAX]; struct st_data_s *core_data; struct chip_version version; + unsigned char ldisc_install; + unsigned char dev_name[UART_DEV_NAME_LEN]; + unsigned char flow_cntrl; + unsigned long baud_rate; }; /** @@ -262,7 +279,6 @@ long st_kim_start(void *); long st_kim_stop(void *); void st_kim_recv(void *, const unsigned char *, long count); -void st_kim_chip_toggle(enum proto_type, enum kim_gpio_state); void st_kim_complete(void *); void kim_st_list_protocols(struct st_data_s *, void *); @@ -338,12 +354,8 @@ struct hci_command { /* ST LL receiver states */ #define ST_W4_PACKET_TYPE 0 -#define ST_BT_W4_EVENT_HDR 1 -#define ST_BT_W4_ACL_HDR 2 -#define ST_BT_W4_SCO_HDR 3 -#define ST_BT_W4_DATA 4 -#define ST_FM_W4_EVENT_HDR 5 -#define ST_GPS_W4_EVENT_HDR 6 +#define ST_W4_HEADER 1 +#define ST_W4_DATA 2 /* ST LL state machines */ #define ST_LL_ASLEEP 0 @@ -397,4 +409,14 @@ struct gps_event_hdr { u16 plen; } __attribute__ ((packed)); +/* platform data */ +struct ti_st_plat_data { + long nshutdown_gpio; + unsigned char dev_name[UART_DEV_NAME_LEN]; /* uart name */ + unsigned char flow_cntrl; /* flow control flag */ + unsigned long baud_rate; + int (*suspend)(struct platform_device *, pm_message_t); + int (*resume)(struct platform_device *); +}; + #endif /* TI_WILINK_ST_H */ diff --git a/include/linux/time.h b/include/linux/time.h index 1e6d3b59238d..454a26205787 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -113,8 +113,6 @@ static inline struct timespec timespec_sub(struct timespec lhs, #define timespec_valid(ts) \ (((ts)->tv_sec >= 0) && (((unsigned long) (ts)->tv_nsec) < NSEC_PER_SEC)) -extern seqlock_t xtime_lock; - extern void read_persistent_clock(struct timespec *ts); extern void read_boot_clock(struct timespec *ts); extern int update_persistent_clock(struct timespec now); @@ -125,8 +123,9 @@ extern int timekeeping_suspended; unsigned long get_seconds(void); struct timespec current_kernel_time(void); struct timespec __current_kernel_time(void); /* does not take xtime_lock */ -struct timespec __get_wall_to_monotonic(void); /* does not take xtime_lock */ struct timespec get_monotonic_coarse(void); +void get_xtime_and_monotonic_and_sleep_offset(struct timespec *xtim, + struct timespec *wtom, struct timespec *sleep); #define CURRENT_TIME (current_kernel_time()) #define CURRENT_TIME_SEC ((struct timespec) { get_seconds(), 0 }) @@ -147,8 +146,9 @@ static inline u32 arch_gettimeoffset(void) { return 0; } #endif extern void do_gettimeofday(struct timeval *tv); -extern int do_settimeofday(struct timespec *tv); -extern int do_sys_settimeofday(struct timespec *tv, struct timezone *tz); +extern int do_settimeofday(const struct timespec *tv); +extern int do_sys_settimeofday(const struct timespec *tv, + const struct timezone *tz); #define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) extern long do_utimes(int dfd, const char __user *filename, struct timespec *times, int flags); struct itimerval; @@ -162,12 +162,13 @@ extern void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real); extern void getboottime(struct timespec *ts); extern void monotonic_to_bootbased(struct timespec *ts); +extern void get_monotonic_boottime(struct timespec *ts); extern struct timespec timespec_trunc(struct timespec t, unsigned gran); extern int timekeeping_valid_for_hres(void); extern u64 timekeeping_max_deferment(void); -extern void update_wall_time(void); extern void timekeeping_leap_insert(int leapsecond); +extern int timekeeping_inject_offset(struct timespec *ts); struct tms; extern void do_sys_times(struct tms *); @@ -292,6 +293,7 @@ struct itimerval { #define CLOCK_MONOTONIC_RAW 4 #define CLOCK_REALTIME_COARSE 5 #define CLOCK_MONOTONIC_COARSE 6 +#define CLOCK_BOOTTIME 7 /* * The IDs of various hardware clocks: diff --git a/include/linux/timex.h b/include/linux/timex.h index d23999f9499d..aa60fe7b6ed6 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -73,7 +73,7 @@ struct timex { long tolerance; /* clock frequency tolerance (ppm) * (read only) */ - struct timeval time; /* (read only) */ + struct timeval time; /* (read only, except for ADJ_SETOFFSET) */ long tick; /* (modified) usecs between clock ticks */ long ppsfreq; /* pps frequency (scaled ppm) (ro) */ @@ -102,6 +102,7 @@ struct timex { #define ADJ_STATUS 0x0010 /* clock status */ #define ADJ_TIMECONST 0x0020 /* pll time constant */ #define ADJ_TAI 0x0080 /* set TAI offset */ +#define ADJ_SETOFFSET 0x0100 /* add 'time' to current time */ #define ADJ_MICRO 0x1000 /* select microsecond resolution */ #define ADJ_NANO 0x2000 /* select nanosecond resolution */ #define ADJ_TICK 0x4000 /* tick value */ diff --git a/include/linux/tty.h b/include/linux/tty.h index 54e4eaaa0561..4e53d4641b38 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -448,6 +448,7 @@ extern void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud); extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old); extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b); +extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt); extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *); extern void tty_ldisc_deref(struct tty_ldisc *); @@ -584,10 +585,10 @@ extern int pcxe_open(struct tty_struct *tty, struct file *filp); /* vt.c */ -extern int vt_ioctl(struct tty_struct *tty, struct file *file, +extern int vt_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); -extern long vt_compat_ioctl(struct tty_struct *tty, struct file * file, +extern long vt_compat_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); /* tty_mutex.c */ diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index c3d43eb4150c..9deeac855240 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -98,8 +98,7 @@ * * Note: Do not call this function directly, call tty_write_room * - * int (*ioctl)(struct tty_struct *tty, struct file * file, - * unsigned int cmd, unsigned long arg); + * int (*ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); * * This routine allows the tty driver to implement * device-specific ioctls. If the ioctl number passed in cmd @@ -107,7 +106,7 @@ * * Optional * - * long (*compat_ioctl)(struct tty_struct *tty, struct file * file, + * long (*compat_ioctl)(struct tty_struct *tty,, * unsigned int cmd, unsigned long arg); * * implement ioctl processing for 32 bit process on 64 bit system @@ -256,9 +255,9 @@ struct tty_operations { void (*flush_chars)(struct tty_struct *tty); int (*write_room)(struct tty_struct *tty); int (*chars_in_buffer)(struct tty_struct *tty); - int (*ioctl)(struct tty_struct *tty, struct file * file, + int (*ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); - long (*compat_ioctl)(struct tty_struct *tty, struct file * file, + long (*compat_ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); void (*set_termios)(struct tty_struct *tty, struct ktermios * old); void (*throttle)(struct tty_struct * tty); @@ -271,8 +270,8 @@ struct tty_operations { void (*set_ldisc)(struct tty_struct *tty); void (*wait_until_sent)(struct tty_struct *tty, int timeout); void (*send_xchar)(struct tty_struct *tty, char ch); - int (*tiocmget)(struct tty_struct *tty, struct file *file); - int (*tiocmset)(struct tty_struct *tty, struct file *file, + int (*tiocmget)(struct tty_struct *tty); + int (*tiocmset)(struct tty_struct *tty, unsigned int set, unsigned int clear); int (*resize)(struct tty_struct *tty, struct winsize *ws); int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew); diff --git a/include/linux/usb.h b/include/linux/usb.h index bd69b65f3356..e63efeb378e3 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -976,6 +976,7 @@ extern int usb_disabled(void); #define URB_SETUP_MAP_SINGLE 0x00100000 /* Setup packet DMA mapped */ #define URB_SETUP_MAP_LOCAL 0x00200000 /* HCD-local setup packet */ #define URB_DMA_SG_COMBINED 0x00400000 /* S-G entries were combined */ +#define URB_ALIGNED_TEMP_BUFFER 0x00800000 /* Temp buffer was alloc'd */ struct usb_iso_packet_descriptor { unsigned int offset; diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild index 51410e0200cf..ed91fb62674b 100644 --- a/include/linux/usb/Kbuild +++ b/include/linux/usb/Kbuild @@ -2,6 +2,7 @@ header-y += audio.h header-y += cdc.h header-y += ch9.h header-y += ch11.h +header-y += functionfs.h header-y += gadgetfs.h header-y += midi.h header-y += g_printer.h diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h index 10ec0699bea4..4ebaf0824179 100644 --- a/include/linux/usb/ch11.h +++ b/include/linux/usb/ch11.h @@ -26,6 +26,7 @@ #define HUB_RESET_TT 9 #define HUB_GET_TT_STATE 10 #define HUB_STOP_TT 11 +#define HUB_SET_DEPTH 12 /* * Hub class additional requests defined by USB 3.0 spec @@ -61,6 +62,12 @@ #define USB_PORT_FEAT_TEST 21 #define USB_PORT_FEAT_INDICATOR 22 #define USB_PORT_FEAT_C_PORT_L1 23 +#define USB_PORT_FEAT_C_PORT_LINK_STATE 25 +#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR 26 +#define USB_PORT_FEAT_PORT_REMOTE_WAKE_MASK 27 +#define USB_PORT_FEAT_BH_PORT_RESET 28 +#define USB_PORT_FEAT_C_BH_PORT_RESET 29 +#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30 /* * Port feature selectors added by USB 3.0 spec. @@ -102,7 +109,6 @@ struct usb_port_status { #define USB_PORT_STAT_TEST 0x0800 #define USB_PORT_STAT_INDICATOR 0x1000 /* bits 13 to 15 are reserved */ -#define USB_PORT_STAT_SUPER_SPEED 0x8000 /* Linux-internal */ /* * Additions to wPortStatus bit field from USB 3.0 @@ -110,8 +116,14 @@ struct usb_port_status { */ #define USB_PORT_STAT_LINK_STATE 0x01e0 #define USB_SS_PORT_STAT_POWER 0x0200 +#define USB_SS_PORT_STAT_SPEED 0x1c00 #define USB_PORT_STAT_SPEED_5GBPS 0x0000 /* Valid only if port is enabled */ +/* Bits that are the same from USB 2.0 */ +#define USB_SS_PORT_STAT_MASK (USB_PORT_STAT_CONNECTION | \ + USB_PORT_STAT_ENABLE | \ + USB_PORT_STAT_OVERCURRENT | \ + USB_PORT_STAT_RESET) /* * Definitions for PORT_LINK_STATE values @@ -132,8 +144,8 @@ struct usb_port_status { /* * wPortChange bit field - * See USB 2.0 spec Table 11-22 - * Bits 0 to 4 shown, bits 5 to 15 are reserved + * See USB 2.0 spec Table 11-22 and USB 2.0 LPM ECN Table-4.10 + * Bits 0 to 5 shown, bits 6 to 15 are reserved */ #define USB_PORT_STAT_C_CONNECTION 0x0001 #define USB_PORT_STAT_C_ENABLE 0x0002 @@ -141,6 +153,13 @@ struct usb_port_status { #define USB_PORT_STAT_C_OVERCURRENT 0x0008 #define USB_PORT_STAT_C_RESET 0x0010 #define USB_PORT_STAT_C_L1 0x0020 +/* + * USB 3.0 wPortChange bit fields + * See USB 3.0 spec Table 10-11 + */ +#define USB_PORT_STAT_C_BH_RESET 0x0020 +#define USB_PORT_STAT_C_LINK_STATE 0x0040 +#define USB_PORT_STAT_C_CONFIG_ERROR 0x0080 /* * wHubCharacteristics (masks) @@ -175,7 +194,9 @@ struct usb_hub_status { */ #define USB_DT_HUB (USB_TYPE_CLASS | 0x09) +#define USB_DT_SS_HUB (USB_TYPE_CLASS | 0x0a) #define USB_DT_HUB_NONVAR_SIZE 7 +#define USB_DT_SS_HUB_SIZE 12 struct usb_hub_descriptor { __u8 bDescLength; @@ -184,11 +205,22 @@ struct usb_hub_descriptor { __le16 wHubCharacteristics; __u8 bPwrOn2PwrGood; __u8 bHubContrCurrent; - /* add 1 bit for hub status change; round to bytes */ - __u8 DeviceRemovable[(USB_MAXCHILDREN + 1 + 7) / 8]; - __u8 PortPwrCtrlMask[(USB_MAXCHILDREN + 1 + 7) / 8]; -} __attribute__ ((packed)); + /* 2.0 and 3.0 hubs differ here */ + union { + struct { + /* add 1 bit for hub status change; round to bytes */ + __u8 DeviceRemovable[(USB_MAXCHILDREN + 1 + 7) / 8]; + __u8 PortPwrCtrlMask[(USB_MAXCHILDREN + 1 + 7) / 8]; + } __attribute__ ((packed)) hs; + + struct { + __u8 bHubHdrDecLat; + __u16 wHubDelay; + __u16 DeviceRemovable; + } __attribute__ ((packed)) ss; + } u; +} __attribute__ ((packed)); /* port indicator status selectors, tables 11-7 and 11-25 */ #define HUB_LED_AUTO 0 diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index ab461948b579..b72f305ce6bd 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -584,7 +584,9 @@ struct usb_ss_ep_comp_descriptor { #define USB_DT_SS_EP_COMP_SIZE 6 /* Bits 4:0 of bmAttributes if this is a bulk endpoint */ -#define USB_SS_MAX_STREAMS(p) (1 << (p & 0x1f)) +#define USB_SS_MAX_STREAMS(p) (1 << ((p) & 0x1f)) +/* Bits 1:0 of bmAttributes if this is an isoc endpoint */ +#define USB_SS_MULT(p) (1 + ((p) & 0x3)) /*-------------------------------------------------------------------------*/ diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h index 2e262cb15425..656380245198 100644 --- a/include/linux/usb/ehci_def.h +++ b/include/linux/usb/ehci_def.h @@ -127,7 +127,9 @@ struct ehci_regs { #define PORT_WKDISC_E (1<<21) /* wake on disconnect (enable) */ #define PORT_WKCONN_E (1<<20) /* wake on connect (enable) */ /* 19:16 for port testing */ -#define PORT_TEST_PKT (0x4<<16) /* Port Test Control - packet test */ +#define PORT_TEST(x) (((x)&0xf)<<16) /* Port Test Control */ +#define PORT_TEST_PKT PORT_TEST(0x4) /* Port Test Control - packet test */ +#define PORT_TEST_FORCE PORT_TEST(0x5) /* Port Test Control - force enable */ #define PORT_LED_OFF (0<<14) #define PORT_LED_AMBER (1<<14) #define PORT_LED_GREEN (2<<14) diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index a854fe89484e..0097136ba45d 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -76,6 +76,10 @@ struct usb_hcd { struct kref kref; /* reference counter */ const char *product_desc; /* product/vendor string */ + int speed; /* Speed for this roothub. + * May be different from + * hcd->driver->flags & HCD_MASK + */ char irq_descr[24]; /* driver + bus # */ struct timer_list rh_timer; /* drives root-hub polling */ @@ -99,6 +103,8 @@ struct usb_hcd { #define HCD_FLAG_POLL_RH 2 /* poll for rh status? */ #define HCD_FLAG_POLL_PENDING 3 /* status has changed? */ #define HCD_FLAG_WAKEUP_PENDING 4 /* root hub is resuming? */ +#define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */ +#define HCD_FLAG_DEAD 6 /* controller has died? */ /* The flags can be tested using these macros; they are likely to * be slightly faster than test_bit(). @@ -108,6 +114,8 @@ struct usb_hcd { #define HCD_POLL_RH(hcd) ((hcd)->flags & (1U << HCD_FLAG_POLL_RH)) #define HCD_POLL_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_POLL_PENDING)) #define HCD_WAKEUP_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_WAKEUP_PENDING)) +#define HCD_RH_RUNNING(hcd) ((hcd)->flags & (1U << HCD_FLAG_RH_RUNNING)) +#define HCD_DEAD(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEAD)) /* Flags that get set only during HCD registration or removal. */ unsigned rh_registered:1;/* is root hub registered? */ @@ -138,7 +146,9 @@ struct usb_hcd { * bandwidth_mutex should be dropped after a successful control message * to the device, or resetting the bandwidth after a failed attempt. */ - struct mutex bandwidth_mutex; + struct mutex *bandwidth_mutex; + struct usb_hcd *shared_hcd; + struct usb_hcd *primary_hcd; #define HCD_BUFFER_POOLS 4 @@ -201,6 +211,7 @@ struct hc_driver { int flags; #define HCD_MEMORY 0x0001 /* HC regs use memory (else I/O) */ #define HCD_LOCAL_MEM 0x0002 /* HC needs local memory */ +#define HCD_SHARED 0x0004 /* Two (or more) usb_hcds share HW */ #define HCD_USB11 0x0010 /* USB 1.1 */ #define HCD_USB2 0x0020 /* USB 2.0 */ #define HCD_USB3 0x0040 /* USB 3.0 */ @@ -234,6 +245,19 @@ struct hc_driver { int (*urb_dequeue)(struct usb_hcd *hcd, struct urb *urb, int status); + /* + * (optional) these hooks allow an HCD to override the default DMA + * mapping and unmapping routines. In general, they shouldn't be + * necessary unless the host controller has special DMA requirements, + * such as alignment contraints. If these are not specified, the + * general usb_hcd_(un)?map_urb_for_dma functions will be used instead + * (and it may be a good idea to call these functions in your HCD + * implementation) + */ + int (*map_urb_for_dma)(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags); + void (*unmap_urb_for_dma)(struct usb_hcd *hcd, struct urb *urb); + /* hw synch, freeing endpoint resources that urb_dequeue can't */ void (*endpoint_disable)(struct usb_hcd *hcd, struct usb_host_endpoint *ep); @@ -330,8 +354,10 @@ extern int usb_hcd_submit_urb(struct urb *urb, gfp_t mem_flags); extern int usb_hcd_unlink_urb(struct urb *urb, int status); extern void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status); -extern void unmap_urb_setup_for_dma(struct usb_hcd *, struct urb *); -extern void unmap_urb_for_dma(struct usb_hcd *, struct urb *); +extern int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags); +extern void usb_hcd_unmap_urb_setup_for_dma(struct usb_hcd *, struct urb *); +extern void usb_hcd_unmap_urb_for_dma(struct usb_hcd *, struct urb *); extern void usb_hcd_flush_endpoint(struct usb_device *udev, struct usb_host_endpoint *ep); extern void usb_hcd_disable_endpoint(struct usb_device *udev, @@ -347,8 +373,12 @@ extern int usb_hcd_get_frame_number(struct usb_device *udev); extern struct usb_hcd *usb_create_hcd(const struct hc_driver *driver, struct device *dev, const char *bus_name); +extern struct usb_hcd *usb_create_shared_hcd(const struct hc_driver *driver, + struct device *dev, const char *bus_name, + struct usb_hcd *shared_hcd); extern struct usb_hcd *usb_get_hcd(struct usb_hcd *hcd); extern void usb_put_hcd(struct usb_hcd *hcd); +extern int usb_hcd_is_primary_hcd(struct usb_hcd *hcd); extern int usb_add_hcd(struct usb_hcd *hcd, unsigned int irqnum, unsigned long irqflags); extern void usb_remove_hcd(struct usb_hcd *hcd); @@ -622,13 +652,6 @@ static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb, /*-------------------------------------------------------------------------*/ -/* hub.h ... DeviceRemovable in 2.4.2-ac11, gone in 2.4.10 */ -/* bleech -- resurfaced in 2.4.11 or 2.4.12 */ -#define bitmap DeviceRemovable - - -/*-------------------------------------------------------------------------*/ - /* random stuff */ #define RUN_CONTEXT (in_irq() ? "in_irq" \ diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h index 3675e03b1539..3657403eac18 100644 --- a/include/linux/usb/msm_hsusb.h +++ b/include/linux/usb/msm_hsusb.h @@ -55,7 +55,7 @@ enum otg_control_type { /** * struct msm_otg_platform_data - platform device data - * for msm72k_otg driver. + * for msm_otg driver. * @phy_init_seq: PHY configuration sequence. val, reg pairs * terminated by -1. * @vbus_power: VBUS power on/off routine. diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index a1a1e7a73ec9..6e40718f5abe 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -66,6 +66,7 @@ struct otg_transceiver { u8 default_a; enum usb_otg_state state; + enum usb_xceiv_events last_event; struct usb_bus *host; struct usb_gadget *gadget; @@ -74,7 +75,7 @@ struct otg_transceiver { void __iomem *io_priv; /* for notification of usb_xceiv_events */ - struct blocking_notifier_head notifier; + struct atomic_notifier_head notifier; /* to pass extra port status to the root hub */ u16 port_status; @@ -234,13 +235,13 @@ otg_start_srp(struct otg_transceiver *otg) static inline int otg_register_notifier(struct otg_transceiver *otg, struct notifier_block *nb) { - return blocking_notifier_chain_register(&otg->notifier, nb); + return atomic_notifier_chain_register(&otg->notifier, nb); } static inline void otg_unregister_notifier(struct otg_transceiver *otg, struct notifier_block *nb) { - blocking_notifier_chain_unregister(&otg->notifier, nb); + atomic_notifier_chain_unregister(&otg->notifier, nb); } /* for OTG controller drivers (and maybe other stuff) */ diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index c9049139a7a5..b29f70b2ecae 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -191,7 +191,8 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data) * @id_table: pointer to a list of usb_device_id structures that define all * of the devices this structure can support. * @num_ports: the number of different ports this device will have. - * @bulk_in_size: bytes to allocate for bulk-in buffer (0 = end-point size) + * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer + * (0 = end-point size) * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size) * @calc_num_ports: pointer to a function to determine how many ports this * device has dynamically. It will be called after the probe() @@ -260,7 +261,7 @@ struct usb_serial_driver { const unsigned char *buf, int count); /* Called only by the tty layer */ int (*write_room)(struct tty_struct *tty); - int (*ioctl)(struct tty_struct *tty, struct file *file, + int (*ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); void (*set_termios)(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old); @@ -268,8 +269,8 @@ struct usb_serial_driver { int (*chars_in_buffer)(struct tty_struct *tty); void (*throttle)(struct tty_struct *tty); void (*unthrottle)(struct tty_struct *tty); - int (*tiocmget)(struct tty_struct *tty, struct file *file); - int (*tiocmset)(struct tty_struct *tty, struct file *file, + int (*tiocmget)(struct tty_struct *tty); + int (*tiocmset)(struct tty_struct *tty, unsigned int set, unsigned int clear); int (*get_icount)(struct tty_struct *tty, struct serial_icounter_struct *icount); diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h index 82b1507f4735..9595796d62ed 100644 --- a/include/linux/usb/ulpi.h +++ b/include/linux/usb/ulpi.h @@ -184,4 +184,9 @@ struct otg_transceiver *otg_ulpi_create(struct otg_io_access_ops *ops, unsigned int flags); +#ifdef CONFIG_USB_ULPI_VIEWPORT +/* access ops for controllers with a viewport register */ +extern struct otg_io_access_ops ulpi_viewport_access_ops; +#endif + #endif /* __LINUX_USB_ULPI_H */ diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 6625cc1ab758..4d05e14ea60c 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -142,14 +142,6 @@ static inline bool vt_force_oops_output(struct vc_data *vc) return false; } -/* - * vc_screen.c shares this temporary buffer with the console write code so that - * we can easily avoid touching user space while holding the console spinlock. - */ - -#define CON_BUF_SIZE (CONFIG_BASE_SMALL ? 256 : PAGE_SIZE) -extern char con_buf[CON_BUF_SIZE]; -extern struct mutex con_buf_mtx; extern char vt_dont_switch; extern int default_utf8; extern int global_cursor_default; diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index f7998a3bf020..f584aba78ca9 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -286,11 +286,15 @@ enum { * any specific CPU, not concurrency managed, and all queued works are * executed immediately as long as max_active limit is not reached and * resources are available. + * + * system_freezable_wq is equivalent to system_wq except that it's + * freezable. */ extern struct workqueue_struct *system_wq; extern struct workqueue_struct *system_long_wq; extern struct workqueue_struct *system_nrt_wq; extern struct workqueue_struct *system_unbound_wq; +extern struct workqueue_struct *system_freezable_wq; extern struct workqueue_struct * __alloc_workqueue_key(const char *name, unsigned int flags, int max_active, diff --git a/include/linux/xattr.h b/include/linux/xattr.h index e6131ef98d8f..6050783005bd 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -42,11 +42,13 @@ #define XATTR_SMACK_IPOUT "SMACK64IPOUT" #define XATTR_SMACK_EXEC "SMACK64EXEC" #define XATTR_SMACK_TRANSMUTE "SMACK64TRANSMUTE" +#define XATTR_SMACK_MMAP "SMACK64MMAP" #define XATTR_NAME_SMACK XATTR_SECURITY_PREFIX XATTR_SMACK_SUFFIX #define XATTR_NAME_SMACKIPIN XATTR_SECURITY_PREFIX XATTR_SMACK_IPIN #define XATTR_NAME_SMACKIPOUT XATTR_SECURITY_PREFIX XATTR_SMACK_IPOUT #define XATTR_NAME_SMACKEXEC XATTR_SECURITY_PREFIX XATTR_SMACK_EXEC #define XATTR_NAME_SMACKTRANSMUTE XATTR_SECURITY_PREFIX XATTR_SMACK_TRANSMUTE +#define XATTR_NAME_SMACKMMAP XATTR_SECURITY_PREFIX XATTR_SMACK_MMAP #define XATTR_CAPS_SUFFIX "capability" #define XATTR_NAME_CAPS XATTR_SECURITY_PREFIX XATTR_CAPS_SUFFIX diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index 071fd7a8d781..6b75a6971346 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -139,6 +139,8 @@ do { \ */ enum p9_msg_t { + P9_TSYNCFS = 0, + P9_RSYNCFS, P9_TLERROR = 6, P9_RLERROR, P9_TSTATFS = 8, @@ -688,7 +690,11 @@ struct p9_rwstat { * @id: protocol operating identifier of type &p9_msg_t * @tag: transaction id of the request * @offset: used by marshalling routines to track currentposition in buffer - * @capacity: used by marshalling routines to track total capacity + * @capacity: used by marshalling routines to track total malloc'd capacity + * @pubuf: Payload user buffer given by the caller + * @pubuf: Payload kernel buffer given by the caller + * @pbuf_size: pubuf/pkbuf(only one will be !NULL) size to be read/write. + * @private: For transport layer's use. * @sdata: payload * * &p9_fcall represents the structure for all 9P RPC @@ -705,6 +711,10 @@ struct p9_fcall { size_t offset; size_t capacity; + char __user *pubuf; + char *pkbuf; + size_t pbuf_size; + void *private; uint8_t *sdata; }; diff --git a/include/net/9p/client.h b/include/net/9p/client.h index 83ba6a4d58a3..0a30977e3c1f 100644 --- a/include/net/9p/client.h +++ b/include/net/9p/client.h @@ -230,6 +230,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode, gid_t gid, struct p9_qid *qid); int p9_client_clunk(struct p9_fid *fid); int p9_client_fsync(struct p9_fid *fid, int datasync); +int p9_client_sync_fs(struct p9_fid *fid); int p9_client_remove(struct p9_fid *fid); int p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset, u32 count); diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h index 6d5886efb102..82868f18c573 100644 --- a/include/net/9p/transport.h +++ b/include/net/9p/transport.h @@ -26,11 +26,19 @@ #ifndef NET_9P_TRANSPORT_H #define NET_9P_TRANSPORT_H +#define P9_TRANS_PREF_PAYLOAD_MASK 0x1 + +/* Default. Add Payload to PDU before sending it down to transport layer */ +#define P9_TRANS_PREF_PAYLOAD_DEF 0x0 +/* Send pay load seperately to transport layer along with PDU.*/ +#define P9_TRANS_PREF_PAYLOAD_SEP 0x1 + /** * struct p9_trans_module - transport module interface * @list: used to maintain a list of currently available transports * @name: the human-readable name of the transport * @maxsize: transport provided maximum packet size + * @pref: Preferences of this transport * @def: set if this transport should be considered the default * @create: member function to create a new connection on this transport * @request: member function to issue a request to the transport @@ -47,6 +55,7 @@ struct p9_trans_module { struct list_head list; char *name; /* name of transport */ int maxsize; /* max message size of transport */ + int pref; /* Preferences of this transport */ int def; /* this transport should be default */ struct module *owner; int (*create)(struct p9_client *, const char *, char *); diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h index eea2e6152389..59ba38bc400f 100644 --- a/include/net/irda/ircomm_tty.h +++ b/include/net/irda/ircomm_tty.h @@ -120,10 +120,10 @@ struct ircomm_tty_cb { void ircomm_tty_start(struct tty_struct *tty); void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self); -extern int ircomm_tty_tiocmget(struct tty_struct *tty, struct file *file); -extern int ircomm_tty_tiocmset(struct tty_struct *tty, struct file *file, +extern int ircomm_tty_tiocmget(struct tty_struct *tty); +extern int ircomm_tty_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); -extern int ircomm_tty_ioctl(struct tty_struct *tty, struct file *file, +extern int ircomm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); extern void ircomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old_termios); diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h index c583193ae929..9c159f74c6d0 100644 --- a/include/scsi/sas_ata.h +++ b/include/scsi/sas_ata.h @@ -39,6 +39,11 @@ int sas_ata_init_host_and_port(struct domain_device *found_dev, struct scsi_target *starget); void sas_ata_task_abort(struct sas_task *task); +void sas_ata_strategy_handler(struct Scsi_Host *shost); +int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task, + enum blk_eh_timer_return *rtn); +int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, + struct list_head *done_q); #else @@ -55,6 +60,23 @@ static inline int sas_ata_init_host_and_port(struct domain_device *found_dev, static inline void sas_ata_task_abort(struct sas_task *task) { } + +static inline void sas_ata_strategy_handler(struct Scsi_Host *shost) +{ +} + +static inline int sas_ata_timed_out(struct scsi_cmnd *cmd, + struct sas_task *task, + enum blk_eh_timer_return *rtn) +{ + return 0; +} +static inline int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, + struct list_head *done_q) +{ + return 0; +} + #endif #endif /* _SAS_ATA_H_ */ diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h index 246940511579..2e8ec51f0615 100644 --- a/include/target/target_core_transport.h +++ b/include/target/target_core_transport.h @@ -135,6 +135,8 @@ extern void transport_complete_task(struct se_task *, int); extern void transport_add_task_to_execute_queue(struct se_task *, struct se_task *, struct se_device *); +extern void transport_remove_task_from_execute_queue(struct se_task *, + struct se_device *); unsigned char *transport_dump_cmd_direction(struct se_cmd *); extern void transport_dump_dev_state(struct se_device *, char *, int *); extern void transport_dump_dev_info(struct se_device *, struct se_lun *, diff --git a/include/trace/events/mce.h b/include/trace/events/mce.h index 7eee77895cb3..4cbbcef6baa8 100644 --- a/include/trace/events/mce.h +++ b/include/trace/events/mce.h @@ -17,36 +17,36 @@ TRACE_EVENT(mce_record, TP_STRUCT__entry( __field( u64, mcgcap ) __field( u64, mcgstatus ) - __field( u8, bank ) __field( u64, status ) __field( u64, addr ) __field( u64, misc ) __field( u64, ip ) - __field( u8, cs ) __field( u64, tsc ) __field( u64, walltime ) __field( u32, cpu ) __field( u32, cpuid ) __field( u32, apicid ) __field( u32, socketid ) + __field( u8, cs ) + __field( u8, bank ) __field( u8, cpuvendor ) ), TP_fast_assign( __entry->mcgcap = m->mcgcap; __entry->mcgstatus = m->mcgstatus; - __entry->bank = m->bank; __entry->status = m->status; __entry->addr = m->addr; __entry->misc = m->misc; __entry->ip = m->ip; - __entry->cs = m->cs; __entry->tsc = m->tsc; __entry->walltime = m->time; __entry->cpu = m->extcpu; __entry->cpuid = m->cpuid; __entry->apicid = m->apicid; __entry->socketid = m->socketid; + __entry->cs = m->cs; + __entry->bank = m->bank; __entry->cpuvendor = m->cpuvendor; ), diff --git a/include/trace/events/module.h b/include/trace/events/module.h index c6bae36547e5..21a546d27c0c 100644 --- a/include/trace/events/module.h +++ b/include/trace/events/module.h @@ -108,14 +108,14 @@ TRACE_EVENT(module_request, TP_ARGS(name, wait, ip), TP_STRUCT__entry( - __field( bool, wait ) __field( unsigned long, ip ) + __field( bool, wait ) __string( name, name ) ), TP_fast_assign( - __entry->wait = wait; __entry->ip = ip; + __entry->wait = wait; __assign_str(name, name); ), @@ -129,4 +129,3 @@ TRACE_EVENT(module_request, /* This part must be outside protection */ #include <trace/define_trace.h> - diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h index f10293c41b1e..0c68ae22da22 100644 --- a/include/trace/events/skb.h +++ b/include/trace/events/skb.h @@ -19,14 +19,14 @@ TRACE_EVENT(kfree_skb, TP_STRUCT__entry( __field( void *, skbaddr ) - __field( unsigned short, protocol ) __field( void *, location ) + __field( unsigned short, protocol ) ), TP_fast_assign( __entry->skbaddr = skb; - __entry->protocol = ntohs(skb->protocol); __entry->location = location; + __entry->protocol = ntohs(skb->protocol); ), TP_printk("skbaddr=%p protocol=%u location=%p", diff --git a/include/xen/events.h b/include/xen/events.h index bd03b1e4a2f4..d3b9010ee96a 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -81,11 +81,9 @@ int xen_allocate_pirq(unsigned gsi, int shareable, char *name); int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name); #ifdef CONFIG_PCI_MSI -/* Allocate an irq and a pirq to be used with MSIs. */ -#define XEN_ALLOC_PIRQ (1 << 0) -#define XEN_ALLOC_IRQ (1 << 1) -void xen_allocate_pirq_msi(char *name, int *irq, int *pirq, int alloc_mask); -int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type); +int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc); +int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, + int pirq, int vector, const char *name); #endif /* De-allocates the above mentioned physical interrupt. */ diff --git a/include/xen/interface/io/blkif.h b/include/xen/interface/io/blkif.h index c2d1fa4dc1ee..61e523af3c46 100644 --- a/include/xen/interface/io/blkif.h +++ b/include/xen/interface/io/blkif.h @@ -51,11 +51,7 @@ typedef uint64_t blkif_sector_t; */ #define BLKIF_MAX_SEGMENTS_PER_REQUEST 11 -struct blkif_request { - uint8_t operation; /* BLKIF_OP_??? */ - uint8_t nr_segments; /* number of segments */ - blkif_vdev_t handle; /* only for read/write requests */ - uint64_t id; /* private guest value, echoed in resp */ +struct blkif_request_rw { blkif_sector_t sector_number;/* start sector idx on disk (r/w only) */ struct blkif_request_segment { grant_ref_t gref; /* reference to I/O buffer frame */ @@ -65,6 +61,16 @@ struct blkif_request { } seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; }; +struct blkif_request { + uint8_t operation; /* BLKIF_OP_??? */ + uint8_t nr_segments; /* number of segments */ + blkif_vdev_t handle; /* only for read/write requests */ + uint64_t id; /* private guest value, echoed in resp */ + union { + struct blkif_request_rw rw; + } u; +}; + struct blkif_response { uint64_t id; /* copied from request */ uint8_t operation; /* copied from request */ @@ -91,4 +97,25 @@ DEFINE_RING_TYPES(blkif, struct blkif_request, struct blkif_response); #define VDISK_REMOVABLE 0x2 #define VDISK_READONLY 0x4 +/* Xen-defined major numbers for virtual disks, they look strangely + * familiar */ +#define XEN_IDE0_MAJOR 3 +#define XEN_IDE1_MAJOR 22 +#define XEN_SCSI_DISK0_MAJOR 8 +#define XEN_SCSI_DISK1_MAJOR 65 +#define XEN_SCSI_DISK2_MAJOR 66 +#define XEN_SCSI_DISK3_MAJOR 67 +#define XEN_SCSI_DISK4_MAJOR 68 +#define XEN_SCSI_DISK5_MAJOR 69 +#define XEN_SCSI_DISK6_MAJOR 70 +#define XEN_SCSI_DISK7_MAJOR 71 +#define XEN_SCSI_DISK8_MAJOR 128 +#define XEN_SCSI_DISK9_MAJOR 129 +#define XEN_SCSI_DISK10_MAJOR 130 +#define XEN_SCSI_DISK11_MAJOR 131 +#define XEN_SCSI_DISK12_MAJOR 132 +#define XEN_SCSI_DISK13_MAJOR 133 +#define XEN_SCSI_DISK14_MAJOR 134 +#define XEN_SCSI_DISK15_MAJOR 135 + #endif /* __XEN_PUBLIC_IO_BLKIF_H__ */ diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h index 2befa3e2f1bc..b33257bc7e83 100644 --- a/include/xen/interface/xen.h +++ b/include/xen/interface/xen.h @@ -30,7 +30,7 @@ #define __HYPERVISOR_stack_switch 3 #define __HYPERVISOR_set_callbacks 4 #define __HYPERVISOR_fpu_taskswitch 5 -#define __HYPERVISOR_sched_op 6 +#define __HYPERVISOR_sched_op_compat 6 #define __HYPERVISOR_dom0_op 7 #define __HYPERVISOR_set_debugreg 8 #define __HYPERVISOR_get_debugreg 9 @@ -52,7 +52,7 @@ #define __HYPERVISOR_mmuext_op 26 #define __HYPERVISOR_acm_op 27 #define __HYPERVISOR_nmi_op 28 -#define __HYPERVISOR_sched_op_new 29 +#define __HYPERVISOR_sched_op 29 #define __HYPERVISOR_callback_op 30 #define __HYPERVISOR_xenoprof_op 31 #define __HYPERVISOR_event_channel_op 32 diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index 98b92154a264..03c85d7387fb 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -5,9 +5,9 @@ DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu); -void xen_pre_suspend(void); -void xen_post_suspend(int suspend_cancelled); -void xen_hvm_post_suspend(int suspend_cancelled); +void xen_arch_pre_suspend(void); +void xen_arch_post_suspend(int suspend_cancelled); +void xen_arch_hvm_post_suspend(int suspend_cancelled); void xen_mm_pin_all(void); void xen_mm_unpin_all(void); |