diff options
Diffstat (limited to 'include/linux')
61 files changed, 537 insertions, 162 deletions
diff --git a/include/linux/acct.h b/include/linux/acct.h index 882dc724876..3e4737fa6cc 100644 --- a/include/linux/acct.h +++ b/include/linux/acct.h @@ -121,16 +121,15 @@ struct vfsmount; struct super_block; struct pacct_struct; struct pid_namespace; +extern int acct_parm[]; /* for sysctl */ extern void acct_auto_close_mnt(struct vfsmount *m); extern void acct_auto_close(struct super_block *sb); -extern void acct_init_pacct(struct pacct_struct *pacct); extern void acct_collect(long exitcode, int group_dead); extern void acct_process(void); extern void acct_exit_ns(struct pid_namespace *); #else #define acct_auto_close_mnt(x) do { } while (0) #define acct_auto_close(x) do { } while (0) -#define acct_init_pacct(x) do { } while (0) #define acct_collect(x,y) do { } while (0) #define acct_process() do { } while (0) #define acct_exit_ns(ns) do { } while (0) diff --git a/include/linux/amba/clcd.h b/include/linux/amba/clcd.h index 29c0448265c..ca16c3801a1 100644 --- a/include/linux/amba/clcd.h +++ b/include/linux/amba/clcd.h @@ -21,22 +21,21 @@ #define CLCD_UBAS 0x00000010 #define CLCD_LBAS 0x00000014 -#if !defined(CONFIG_ARCH_VERSATILE) && !defined(CONFIG_ARCH_REALVIEW) -#define CLCD_IENB 0x00000018 -#define CLCD_CNTL 0x0000001c -#else -/* - * Someone rearranged these two registers on the Versatile - * platform... - */ -#define CLCD_IENB 0x0000001c -#define CLCD_CNTL 0x00000018 -#endif - -#define CLCD_STAT 0x00000020 -#define CLCD_INTR 0x00000024 -#define CLCD_UCUR 0x00000028 -#define CLCD_LCUR 0x0000002C +#define CLCD_PL110_IENB 0x00000018 +#define CLCD_PL110_CNTL 0x0000001c +#define CLCD_PL110_STAT 0x00000020 +#define CLCD_PL110_INTR 0x00000024 +#define CLCD_PL110_UCUR 0x00000028 +#define CLCD_PL110_LCUR 0x0000002C + +#define CLCD_PL111_CNTL 0x00000018 +#define CLCD_PL111_IENB 0x0000001c +#define CLCD_PL111_RIS 0x00000020 +#define CLCD_PL111_MIS 0x00000024 +#define CLCD_PL111_ICR 0x00000028 +#define CLCD_PL111_UCUR 0x0000002c +#define CLCD_PL111_LCUR 0x00000030 + #define CLCD_PALL 0x00000200 #define CLCD_PALETTE 0x00000200 @@ -147,6 +146,8 @@ struct clcd_fb { struct clcd_board *board; void *board_data; void __iomem *regs; + u16 off_ienb; + u16 off_cntl; u32 clcd_cntl; u32 cmap[16]; }; diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 8c4f884db6b..4a3d52e545e 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -36,18 +36,18 @@ struct backlight_device; struct fb_info; struct backlight_ops { - const unsigned int options; + unsigned int options; #define BL_CORE_SUSPENDRESUME (1 << 0) /* Notify the backlight driver some property has changed */ - int (* const update_status)(struct backlight_device *); + int (*update_status)(struct backlight_device *); /* Return the current backlight brightness (accounting for power, fb_blank etc.) */ - int (* const get_brightness)(struct backlight_device *); + int (*get_brightness)(struct backlight_device *); /* Check if given framebuffer device is the one bound to this backlight; return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ - int (* const check_fb)(struct fb_info *); + int (*check_fb)(struct backlight_device *, struct fb_info *); }; /* This structure defines all the properties of a backlight */ @@ -103,7 +103,8 @@ static inline void backlight_update_status(struct backlight_device *bd) } extern struct backlight_device *backlight_device_register(const char *name, - struct device *dev, void *devdata, const struct backlight_ops *ops); + struct device *dev, void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props); extern void backlight_device_unregister(struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index c9bbcb2a75a..b8ad1ea9958 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -37,16 +37,24 @@ extern void cgroup_post_fork(struct task_struct *p); extern void cgroup_exit(struct task_struct *p, int run_callbacks); extern int cgroupstats_build(struct cgroupstats *stats, struct dentry *dentry); +extern int cgroup_load_subsys(struct cgroup_subsys *ss); +extern void cgroup_unload_subsys(struct cgroup_subsys *ss); extern const struct file_operations proc_cgroup_operations; -/* Define the enumeration of all cgroup subsystems */ +/* Define the enumeration of all builtin cgroup subsystems */ #define SUBSYS(_x) _x ## _subsys_id, enum cgroup_subsys_id { #include <linux/cgroup_subsys.h> - CGROUP_SUBSYS_COUNT + CGROUP_BUILTIN_SUBSYS_COUNT }; #undef SUBSYS +/* + * This define indicates the maximum number of subsystems that can be loaded + * at once. We limit to this many since cgroupfs_root has subsys_bits to keep + * track of all of them. + */ +#define CGROUP_SUBSYS_COUNT (BITS_PER_BYTE*sizeof(unsigned long)) /* Per-subsystem/per-cgroup state maintained by the system. */ struct cgroup_subsys_state { @@ -76,6 +84,12 @@ enum { CSS_REMOVED, /* This CSS is dead */ }; +/* Caller must verify that the css is not for root cgroup */ +static inline void __css_get(struct cgroup_subsys_state *css, int count) +{ + atomic_add(count, &css->refcnt); +} + /* * Call css_get() to hold a reference on the css; it can be used * for a reference obtained via: @@ -87,7 +101,7 @@ static inline void css_get(struct cgroup_subsys_state *css) { /* We don't need to reference count the root state */ if (!test_bit(CSS_ROOT, &css->flags)) - atomic_inc(&css->refcnt); + __css_get(css, 1); } static inline bool css_is_removed(struct cgroup_subsys_state *css) @@ -118,11 +132,11 @@ static inline bool css_tryget(struct cgroup_subsys_state *css) * css_get() or css_tryget() */ -extern void __css_put(struct cgroup_subsys_state *css); +extern void __css_put(struct cgroup_subsys_state *css, int count); static inline void css_put(struct cgroup_subsys_state *css) { if (!test_bit(CSS_ROOT, &css->flags)) - __css_put(css); + __css_put(css, 1); } /* bits in struct cgroup flags field */ @@ -221,6 +235,10 @@ struct cgroup { /* For RCU-protected deletion */ struct rcu_head rcu_head; + + /* List of events which userspace want to recieve */ + struct list_head event_list; + spinlock_t event_list_lock; }; /* @@ -258,7 +276,8 @@ struct css_set { /* * Set of subsystem states, one for each subsystem. This array * is immutable after creation apart from the init_css_set - * during subsystem registration (at boot time). + * during subsystem registration (at boot time) and modular subsystem + * loading/unloading. */ struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT]; @@ -363,6 +382,23 @@ struct cftype { int (*trigger)(struct cgroup *cgrp, unsigned int event); int (*release)(struct inode *inode, struct file *file); + + /* + * register_event() callback will be used to add new userspace + * waiter for changes related to the cftype. Implement it if + * you want to provide this functionality. Use eventfd_signal() + * on eventfd to send notification to userspace. + */ + int (*register_event)(struct cgroup *cgrp, struct cftype *cft, + struct eventfd_ctx *eventfd, const char *args); + /* + * unregister_event() callback will be called when userspace + * closes the eventfd or on cgroup removing. + * This callback must be implemented, if you want provide + * notification functionality. + */ + int (*unregister_event)(struct cgroup *cgrp, struct cftype *cft, + struct eventfd_ctx *eventfd); }; struct cgroup_scanner { @@ -428,6 +464,8 @@ struct cgroup_subsys { void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp); int (*can_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp, struct task_struct *tsk, bool threadgroup); + void (*cancel_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp, + struct task_struct *tsk, bool threadgroup); void (*attach)(struct cgroup_subsys *ss, struct cgroup *cgrp, struct cgroup *old_cgrp, struct task_struct *tsk, bool threadgroup); @@ -472,6 +510,9 @@ struct cgroup_subsys { /* used when use_id == true */ struct idr idr; spinlock_t id_lock; + + /* should be defined only by modular subsystems */ + struct module *module; }; #define SUBSYS(_x) extern struct cgroup_subsys _x ## _subsys; diff --git a/include/linux/compat.h b/include/linux/compat.h index ef68119a4fd..717c691ecd8 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -23,6 +23,7 @@ typedef __compat_uid32_t compat_uid_t; typedef __compat_gid32_t compat_gid_t; +struct compat_sel_arg_struct; struct rusage; struct compat_itimerspec { @@ -249,6 +250,8 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, struct compat_timeval __user *tvp); +asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); + asmlinkage long compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, struct compat_rusage __user *ru); diff --git a/include/linux/coredump.h b/include/linux/coredump.h index b3c91d7cede..8ba66a9d902 100644 --- a/include/linux/coredump.h +++ b/include/linux/coredump.h @@ -16,6 +16,8 @@ static inline int dump_write(struct file *file, const void *addr, int nr) static inline int dump_seek(struct file *file, loff_t off) { + int ret = 1; + if (file->f_op->llseek && file->f_op->llseek != no_llseek) { if (file->f_op->llseek(file, off, SEEK_CUR) < 0) return 0; @@ -29,13 +31,15 @@ static inline int dump_seek(struct file *file, loff_t off) if (n > PAGE_SIZE) n = PAGE_SIZE; - if (!dump_write(file, buf, n)) - return 0; + if (!dump_write(file, buf, n)) { + ret = 0; + break; + } off -= n; } free_page((unsigned long)buf); } - return 1; + return ret; } #endif /* _LINUX_COREDUMP_H */ diff --git a/include/linux/cred.h b/include/linux/cred.h index 4db09f89b63..52507c3e138 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -280,7 +280,7 @@ static inline void put_cred(const struct cred *_cred) * task or by holding tasklist_lock to prevent it from being unlinked. */ #define __task_cred(task) \ - ((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_is_held(&tasklist_lock)))) + ((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_tasklist_lock_is_held()))) /** * get_task_cred - Get another task's objective credentials diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h index 5032b9a31ae..ad5ec1d0475 100644 --- a/include/linux/decompress/mm.h +++ b/include/linux/decompress/mm.h @@ -14,11 +14,21 @@ /* Code active when included from pre-boot environment: */ +/* + * Some architectures want to ensure there is no local data in their + * pre-boot environment, so that data can arbitarily relocated (via + * GOT references). This is achieved by defining STATIC_RW_DATA to + * be null. + */ +#ifndef STATIC_RW_DATA +#define STATIC_RW_DATA static +#endif + /* A trivial malloc implementation, adapted from * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 */ -static unsigned long malloc_ptr; -static int malloc_count; +STATIC_RW_DATA unsigned long malloc_ptr; +STATIC_RW_DATA int malloc_count; static void *malloc(int size) { diff --git a/include/linux/dm9000.h b/include/linux/dm9000.h index c30879cf93b..96e87693d93 100644 --- a/include/linux/dm9000.h +++ b/include/linux/dm9000.h @@ -23,7 +23,7 @@ #define DM9000_PLATF_NO_EEPROM (0x0010) #define DM9000_PLATF_SIMPLE_PHY (0x0020) /* Use NSR to find LinkStatus */ -/* platfrom data for platfrom device structure's platfrom_data field */ +/* platform data for platform device structure's platform_data field */ struct dm9000_plat_data { unsigned int flags; diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 91b76184606..ca32ed78b05 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -127,6 +127,14 @@ static inline u64 dma_get_mask(struct device *dev) return DMA_BIT_MASK(32); } +static inline int dma_set_coherent_mask(struct device *dev, u64 mask) +{ + if (!dma_supported(dev, mask)) + return -EIO; + dev->coherent_dma_mask = mask; + return 0; +} + extern u64 dma_get_required_mask(struct device *dev); static inline unsigned int dma_get_max_seg_size(struct device *dev) @@ -232,4 +240,20 @@ struct dma_attrs; #endif /* CONFIG_HAVE_DMA_ATTRS */ +#ifdef CONFIG_NEED_DMA_MAP_STATE +#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME +#define DEFINE_DMA_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME +#define dma_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME) +#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL)) +#define dma_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME) +#define dma_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL)) +#else +#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME) +#define DEFINE_DMA_UNMAP_LEN(LEN_NAME) +#define dma_unmap_addr(PTR, ADDR_NAME) (0) +#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) +#define dma_unmap_len(PTR, LEN_NAME) (0) +#define dma_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) +#endif + #endif diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index cca1c3de140..b33f316bb92 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -61,6 +61,13 @@ struct ethtool_drvinfo { /* For PCI devices, use pci_name(pci_dev). */ char reserved1[32]; char reserved2[12]; + /* + * Some struct members below are filled in + * using ops->get_sset_count(). Obtaining + * this info from ethtool_drvinfo is now + * deprecated; Use ETHTOOL_GSSET_INFO + * instead. + */ __u32 n_priv_flags; /* number of flags valid in ETHTOOL_GPFLAGS */ __u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */ __u32 testinfo_len; @@ -253,6 +260,17 @@ struct ethtool_gstrings { __u8 data[0]; }; +struct ethtool_sset_info { + __u32 cmd; /* ETHTOOL_GSSET_INFO */ + __u32 reserved; + __u64 sset_mask; /* input: each bit selects an sset to query */ + /* output: each bit a returned sset */ + __u32 data[0]; /* ETH_SS_xxx count, in order, based on bits + in sset_mask. One bit implies one + __u32, two bits implies two + __u32's, etc. */ +}; + enum ethtool_test_flags { ETH_TEST_FL_OFFLINE = (1 << 0), /* online / offline */ ETH_TEST_FL_FAILED = (1 << 1), /* test passed / failed */ @@ -606,9 +624,9 @@ struct ethtool_ops { #define ETHTOOL_SRXCLSRLINS 0x00000032 /* Insert RX classification rule */ #define ETHTOOL_FLASHDEV 0x00000033 /* Flash firmware to device */ #define ETHTOOL_RESET 0x00000034 /* Reset hardware */ - -#define ETHTOOL_SRXNTUPLE 0x00000035 /* Add an n-tuple filter to device */ -#define ETHTOOL_GRXNTUPLE 0x00000036 /* Get n-tuple filters from device */ +#define ETHTOOL_SRXNTUPLE 0x00000035 /* Add an n-tuple filter to device */ +#define ETHTOOL_GRXNTUPLE 0x00000036 /* Get n-tuple filters from device */ +#define ETHTOOL_GSSET_INFO 0x00000037 /* Get string set info */ /* compatibility with older code */ #define SPARC_ETH_GSET ETHTOOL_GSET diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 6b7c444ab8f..c0f4b364c71 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -131,12 +131,12 @@ struct ftrace_event_call { void *mod; void *data; - int profile_count; - int (*profile_enable)(struct ftrace_event_call *); - void (*profile_disable)(struct ftrace_event_call *); + int perf_refcount; + int (*perf_event_enable)(struct ftrace_event_call *); + void (*perf_event_disable)(struct ftrace_event_call *); }; -#define FTRACE_MAX_PROFILE_SIZE 2048 +#define PERF_MAX_TRACE_SIZE 2048 #define MAX_FILTER_PRED 32 #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ @@ -187,22 +187,25 @@ do { \ #ifdef CONFIG_PERF_EVENTS struct perf_event; -extern int ftrace_profile_enable(int event_id); -extern void ftrace_profile_disable(int event_id); + +DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); + +extern int perf_trace_enable(int event_id); +extern void perf_trace_disable(int event_id); extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, char *filter_str); extern void ftrace_profile_free_filter(struct perf_event *event); extern void * -ftrace_perf_buf_prepare(int size, unsigned short type, int *rctxp, +perf_trace_buf_prepare(int size, unsigned short type, int *rctxp, unsigned long *irq_flags); static inline void -ftrace_perf_buf_submit(void *raw_data, int size, int rctx, u64 addr, - u64 count, unsigned long irq_flags) +perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr, + u64 count, unsigned long irq_flags, struct pt_regs *regs) { struct trace_entry *entry = raw_data; - perf_tp_event(entry->type, addr, count, raw_data, size); + perf_tp_event(entry->type, addr, count, raw_data, size, regs); perf_swevent_put_recursion_context(rctx); local_irq_restore(irq_flags); } diff --git a/include/linux/hil.h b/include/linux/hil.h index 13352d7d0ca..523785a9de7 100644 --- a/include/linux/hil.h +++ b/include/linux/hil.h @@ -168,14 +168,14 @@ enum hil_command { HIL_CMD_PR6 = 0x45, /* Prompt6 */ HIL_CMD_PR7 = 0x46, /* Prompt7 */ HIL_CMD_PRM = 0x47, /* Prompt (General Purpose) */ - HIL_CMD_AK1 = 0x48, /* Acknowlege1 */ - HIL_CMD_AK2 = 0x49, /* Acknowlege2 */ - HIL_CMD_AK3 = 0x4a, /* Acknowlege3 */ - HIL_CMD_AK4 = 0x4b, /* Acknowlege4 */ - HIL_CMD_AK5 = 0x4c, /* Acknowlege5 */ - HIL_CMD_AK6 = 0x4d, /* Acknowlege6 */ - HIL_CMD_AK7 = 0x4e, /* Acknowlege7 */ - HIL_CMD_ACK = 0x4f, /* Acknowlege (General Purpose) */ + HIL_CMD_AK1 = 0x48, /* Acknowledge1 */ + HIL_CMD_AK2 = 0x49, /* Acknowledge2 */ + HIL_CMD_AK3 = 0x4a, /* Acknowledge3 */ + HIL_CMD_AK4 = 0x4b, /* Acknowledge4 */ + HIL_CMD_AK5 = 0x4c, /* Acknowledge5 */ + HIL_CMD_AK6 = 0x4d, /* Acknowledge6 */ + HIL_CMD_AK7 = 0x4e, /* Acknowledge7 */ + HIL_CMD_ACK = 0x4f, /* Acknowledge (General Purpose) */ /* 0x50 to 0x78 reserved for future use */ /* 0x80 to 0xEF device-specific commands */ diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h index 5977b724f7c..c70d27af03f 100644 --- a/include/linux/hw_breakpoint.h +++ b/include/linux/hw_breakpoint.h @@ -66,14 +66,14 @@ register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr, perf_overflow_handler_t triggered, int cpu); -extern struct perf_event ** +extern struct perf_event * __percpu * register_wide_hw_breakpoint(struct perf_event_attr *attr, perf_overflow_handler_t triggered); extern int register_perf_hw_breakpoint(struct perf_event *bp); extern int __register_perf_hw_breakpoint(struct perf_event *bp); extern void unregister_hw_breakpoint(struct perf_event *bp); -extern void unregister_wide_hw_breakpoint(struct perf_event **cpu_events); +extern void unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events); extern int dbg_reserve_bp_slot(struct perf_event *bp); extern int dbg_release_bp_slot(struct perf_event *bp); @@ -100,7 +100,7 @@ static inline struct perf_event * register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr, perf_overflow_handler_t triggered, int cpu) { return NULL; } -static inline struct perf_event ** +static inline struct perf_event * __percpu * register_wide_hw_breakpoint(struct perf_event_attr *attr, perf_overflow_handler_t triggered) { return NULL; } static inline int @@ -109,7 +109,7 @@ static inline int __register_perf_hw_breakpoint(struct perf_event *bp) { return -ENOSYS; } static inline void unregister_hw_breakpoint(struct perf_event *bp) { } static inline void -unregister_wide_hw_breakpoint(struct perf_event **cpu_events) { } +unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events) { } static inline int reserve_bp_slot(struct perf_event *bp) {return -ENOSYS; } static inline void release_bp_slot(struct perf_event *bp) { } diff --git a/include/linux/i2c-algo-bit.h b/include/linux/i2c-algo-bit.h index 111334f5b92..4f98148c11c 100644 --- a/include/linux/i2c-algo-bit.h +++ b/include/linux/i2c-algo-bit.h @@ -36,6 +36,8 @@ struct i2c_algo_bit_data { void (*setscl) (void *data, int state); int (*getsda) (void *data); int (*getscl) (void *data); + int (*pre_xfer) (struct i2c_adapter *); + void (*post_xfer) (struct i2c_adapter *); /* local settings */ int udelay; /* half clock cycle time in us, diff --git a/include/linux/i2c-xiic.h b/include/linux/i2c-xiic.h new file mode 100644 index 00000000000..4f9f2256a97 --- /dev/null +++ b/include/linux/i2c-xiic.h @@ -0,0 +1,43 @@ +/* + * i2c-xiic.h + * Copyright (c) 2009 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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. + */ + +/* Supports: + * Xilinx IIC + */ + +#ifndef _LINUX_I2C_XIIC_H +#define _LINUX_I2C_XIIC_H + +/** + * struct xiic_i2c_platform_data - Platform data of the Xilinx I2C driver + * @num_devices: Number of devices that shall be added when the driver + * is probed. + * @devices: The actuall devices to add. + * + * This purpose of this platform data struct is to be able to provide a number + * of devices that should be added to the I2C bus. The reason is that sometimes + * the I2C board info is not enough, a new PCI board can for instance be + * plugged into a standard PC, and the bus number might be unknown at + * early init time. + */ +struct xiic_i2c_platform_data { + u8 num_devices; + struct i2c_board_info const *devices; +}; + +#endif /* _LINUX_I2C_XIIC_H */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index abec69b63d7..b1ed1cd8e2a 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -32,14 +32,6 @@ extern struct fs_struct init_fs; } extern struct nsproxy init_nsproxy; -#define INIT_NSPROXY(nsproxy) { \ - .pid_ns = &init_pid_ns, \ - .count = ATOMIC_INIT(1), \ - .uts_ns = &init_uts_ns, \ - .mnt_ns = NULL, \ - INIT_NET_NS(net_ns) \ - INIT_IPC_NS(ipc_ns) \ -} #define INIT_SIGHAND(sighand) { \ .count = ATOMIC_INIT(1), \ diff --git a/include/linux/input.h b/include/linux/input.h index dc24effb6d0..7ed2251b33f 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -58,10 +58,10 @@ struct input_absinfo { #define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */ #define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */ -#define EVIOCGREP _IOR('E', 0x03, int[2]) /* get repeat settings */ -#define EVIOCSREP _IOW('E', 0x03, int[2]) /* set repeat settings */ -#define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */ -#define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */ +#define EVIOCGREP _IOR('E', 0x03, unsigned int[2]) /* get repeat settings */ +#define EVIOCSREP _IOW('E', 0x03, unsigned int[2]) /* set repeat settings */ +#define EVIOCGKEYCODE _IOR('E', 0x04, unsigned int[2]) /* get keycode */ +#define EVIOCSKEYCODE _IOW('E', 0x04, unsigned int[2]) /* set keycode */ #define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */ #define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */ @@ -1142,8 +1142,10 @@ struct input_dev { unsigned int keycodemax; unsigned int keycodesize; void *keycode; - int (*setkeycode)(struct input_dev *dev, int scancode, int keycode); - int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode); + int (*setkeycode)(struct input_dev *dev, + unsigned int scancode, unsigned int keycode); + int (*getkeycode)(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode); struct ff_device *ff; @@ -1415,8 +1417,10 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis); } -int input_get_keycode(struct input_dev *dev, int scancode, int *keycode); -int input_set_keycode(struct input_dev *dev, int scancode, int keycode); +int input_get_keycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode); +int input_set_keycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode); extern struct class input_class; diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 1195a806fe0..a0bb301afac 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h @@ -42,7 +42,7 @@ struct io_context { unsigned short ioprio; unsigned short ioprio_changed; -#ifdef CONFIG_BLK_CGROUP +#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE) unsigned short cgroup_changed; #endif diff --git a/include/linux/ioport.h b/include/linux/ioport.h index dda98410d58..71ab79da7e7 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -34,22 +34,24 @@ struct resource_list { */ #define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ -#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */ +#define IORESOURCE_TYPE_BITS 0x00001f00 /* Resource type */ #define IORESOURCE_IO 0x00000100 #define IORESOURCE_MEM 0x00000200 #define IORESOURCE_IRQ 0x00000400 #define IORESOURCE_DMA 0x00000800 +#define IORESOURCE_BUS 0x00001000 -#define IORESOURCE_PREFETCH 0x00001000 /* No side effects */ -#define IORESOURCE_READONLY 0x00002000 -#define IORESOURCE_CACHEABLE 0x00004000 -#define IORESOURCE_RANGELENGTH 0x00008000 -#define IORESOURCE_SHADOWABLE 0x00010000 +#define IORESOURCE_PREFETCH 0x00002000 /* No side effects */ +#define IORESOURCE_READONLY 0x00004000 +#define IORESOURCE_CACHEABLE 0x00008000 +#define IORESOURCE_RANGELENGTH 0x00010000 +#define IORESOURCE_SHADOWABLE 0x00020000 -#define IORESOURCE_SIZEALIGN 0x00020000 /* size indicates alignment */ -#define IORESOURCE_STARTALIGN 0x00040000 /* start field is alignment */ +#define IORESOURCE_SIZEALIGN 0x00040000 /* size indicates alignment */ +#define IORESOURCE_STARTALIGN 0x00080000 /* start field is alignment */ #define IORESOURCE_MEM_64 0x00100000 +#define IORESOURCE_WINDOW 0x00200000 /* forwarded by bridge */ #define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ #define IORESOURCE_DISABLED 0x10000000 diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index 07baa38bce3..51952989ad4 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -62,11 +62,6 @@ extern struct ipc_namespace init_ipc_ns; extern atomic_t nr_ipc_ns; extern spinlock_t mq_lock; -#if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC) -#define INIT_IPC_NS(ns) .ns = &init_ipc_ns, -#else -#define INIT_IPC_NS(ns) -#endif #ifdef CONFIG_SYSVIPC extern int register_ipcns_notifier(struct ipc_namespace *); diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h index f7c9c75a277..4b48318ac54 100644 --- a/include/linux/ipmi_smi.h +++ b/include/linux/ipmi_smi.h @@ -39,7 +39,6 @@ #include <linux/module.h> #include <linux/device.h> #include <linux/platform_device.h> -#include <linux/ipmi_smi.h> /* This files describes the interface for IPMI system management interface drivers to bind into the IPMI message handler. */ diff --git a/include/linux/kmod.h b/include/linux/kmod.h index 384ca8bbf1a..facb27fe7de 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -27,6 +27,7 @@ #define KMOD_PATH_LEN 256 #ifdef CONFIG_MODULES +extern char modprobe_path[]; /* for sysctl */ /* modprobe exit status on success, -ve on error. Return value * usually useless though. */ extern int __request_module(bool wait, const char *name, ...) \ diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 10206a87da1..a03977a96d7 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -12,6 +12,10 @@ struct task_struct; struct lockdep_map; +/* for sysctl */ +extern int prove_locking; +extern int lock_stat; + #ifdef CONFIG_LOCKDEP #include <linux/linkage.h> diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h index 3a2b2d9b047..de48d167568 100644 --- a/include/linux/lru_cache.h +++ b/include/linux/lru_cache.h @@ -64,7 +64,7 @@ For crash recovery after replication node failure, usually the condition is softened to regions that _may_ have been target of in-flight WRITE IO, e.g. by only lazily clearing the on-disk write-intent bitmap, trading frequency of meta data transactions against amount of - (possibly unneccessary) resync traffic. + (possibly unnecessary) resync traffic. If we set a hard limit on the area that may be "hot" at any given time, we limit the amount of resync traffic needed for crash recovery. diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 1f9b119f4ac..44301c6affa 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -124,7 +124,6 @@ static inline bool mem_cgroup_disabled(void) return false; } -extern bool mem_cgroup_oom_called(struct task_struct *task); void mem_cgroup_update_file_mapped(struct page *page, int val); unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, gfp_t gfp_mask, int nid, @@ -258,11 +257,6 @@ static inline bool mem_cgroup_disabled(void) return true; } -static inline bool mem_cgroup_oom_called(struct task_struct *task) -{ - return false; -} - static inline int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg) { diff --git a/include/linux/memory.h b/include/linux/memory.h index 1adfe779eb9..85582e1bcee 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -36,6 +36,8 @@ struct memory_block { struct sys_device sysdev; }; +int arch_get_memory_phys_device(unsigned long start_pfn); + /* These states are exposed to userspace as text strings in sysfs */ #define MEM_ONLINE (1<<0) /* exposed to userspace */ #define MEM_GOING_OFFLINE (1<<1) /* exposed to userspace */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 3899395a03d..e70f21beb4b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -971,7 +971,13 @@ static inline void setmax_mm_hiwater_rss(unsigned long *maxrss, *maxrss = hiwater_rss; } +#if defined(SPLIT_RSS_COUNTING) void sync_mm_rss(struct task_struct *task, struct mm_struct *mm); +#else +static inline void sync_mm_rss(struct task_struct *task, struct mm_struct *mm) +{ +} +#endif /* * A callback you can register to apply pressure to ageable caches. @@ -1459,5 +1465,7 @@ extern void shake_page(struct page *p, int access); extern atomic_long_t mce_bad_pages; extern int soft_offline_page(struct page *page, int flags); +extern void dump_page(struct page *page); + #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 048b46270aa..b8bb9a6a1f3 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -203,7 +203,7 @@ enum { NR_MM_COUNTERS }; -#if USE_SPLIT_PTLOCKS +#if USE_SPLIT_PTLOCKS && defined(CONFIG_MMU) #define SPLIT_RSS_COUNTING struct mm_rss_stat { atomic_long_t count[NR_MM_COUNTERS]; diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index bc209d8b7b5..cf9e458e96b 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -342,7 +342,7 @@ struct zone { * prev_priority holds the scanning priority for this zone. It is * defined as the scanning priority at which we achieved our reclaim * target at the previous try_to_free_pages() or balance_pgdat() - * invokation. + * invocation. * * We use prev_priority as a measure of how much stress page reclaim is * under - it drives the swappiness decision: whether to unmap mapped diff --git a/include/linux/module.h b/include/linux/module.h index dd618eb026a..5e869ffd34a 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -175,6 +175,7 @@ struct notifier_block; #ifdef CONFIG_MODULES +extern int modules_disabled; /* for sysctl */ /* Get/put a kernel symbol (calls must be symmetric) */ void *__symbol_get(const char *symbol); void *__symbol_get_gpl(const char *symbol); diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h index ce38f1caa5e..34066e65fde 100644 --- a/include/linux/msdos_fs.h +++ b/include/linux/msdos_fs.h @@ -15,6 +15,7 @@ #define MSDOS_DPB_BITS 4 /* log2(MSDOS_DPB) */ #define MSDOS_DPS (SECTOR_SIZE / sizeof(struct msdos_dir_entry)) #define MSDOS_DPS_BITS 4 /* log2(MSDOS_DPS) */ +#define MSDOS_LONGNAME 256 /* maximum name length */ #define CF_LE_W(v) le16_to_cpu(v) #define CF_LE_L(v) le32_to_cpu(v) #define CT_LE_W(v) cpu_to_le16(v) @@ -47,8 +48,8 @@ #define DELETED_FLAG 0xe5 /* marks file as deleted when in name[0] */ #define IS_FREE(n) (!*(n) || *(n) == DELETED_FLAG) +#define FAT_LFN_LEN 255 /* maximum long name length */ #define MSDOS_NAME 11 /* maximum name length */ -#define MSDOS_LONGNAME 256 /* maximum name length */ #define MSDOS_SLOTS 21 /* max # of slots for short and long names */ #define MSDOS_DOT ". " /* ".", padded to MSDOS_NAME chars */ #define MSDOS_DOTDOT ".. " /* "..", padded to MSDOS_NAME chars */ diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index c4fa64b585f..dba35e41337 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -483,7 +483,7 @@ static inline int num_node_state(enum node_states state) type *name = kmalloc(sizeof(*name), gfp_flags) #define NODEMASK_FREE(m) kfree(m) #else -#define NODEMASK_ALLOC(type, name, gfp_flags) type _name, *name = &_name +#define NODEMASK_ALLOC(type, name, gfp_flags) type _##name, *name = &_##name #define NODEMASK_FREE(m) do {} while (0) #endif diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index b0e4eb12623..30b08136fdf 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -118,6 +118,8 @@ static inline void __init page_cgroup_init_flatmem(void) #include <linux/swap.h> #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP +extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent, + unsigned short old, unsigned short new); extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id); extern unsigned short lookup_swap_cgroup(swp_entry_t ent); extern int swap_cgroup_swapon(int type, unsigned long max_pages); diff --git a/include/linux/pci-dma.h b/include/linux/pci-dma.h new file mode 100644 index 00000000000..549a041f9c0 --- /dev/null +++ b/include/linux/pci-dma.h @@ -0,0 +1,11 @@ +#ifndef _LINUX_PCI_DMA_H +#define _LINUX_PCI_DMA_H + +#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) DEFINE_DMA_UNMAP_ADDR(ADDR_NAME); +#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) DEFINE_DMA_UNMAP_LEN(LEN_NAME); +#define pci_unmap_addr dma_unmap_addr +#define pci_unmap_addr_set dma_unmap_addr_set +#define pci_unmap_len dma_unmap_len +#define pci_unmap_len_set dma_unmap_len_set + +#endif diff --git a/include/linux/pci.h b/include/linux/pci.h index cd5809a5963..a788fa12ff3 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -769,8 +769,6 @@ int pci_try_set_mwi(struct pci_dev *dev); void pci_clear_mwi(struct pci_dev *dev); void pci_intx(struct pci_dev *dev, int enable); void pci_msi_off(struct pci_dev *dev); -int pci_set_dma_mask(struct pci_dev *dev, u64 mask); -int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask); int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size); int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask); int pcix_get_max_mmrbc(struct pci_dev *dev); @@ -904,6 +902,7 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode, unsigned int command_bits, bool change_bridge); /* kmem_cache style wrapper around pci_alloc_consistent() */ +#include <linux/pci-dma.h> #include <linux/dmapool.h> #define pci_pool dma_pool diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 7b18b4fd5df..95477038a72 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -452,6 +452,8 @@ enum perf_callchain_context { #include <linux/fs.h> #include <linux/pid_namespace.h> #include <linux/workqueue.h> +#include <linux/ftrace.h> +#include <linux/cpu.h> #include <asm/atomic.h> #define PERF_MAX_STACK_DEPTH 255 @@ -487,9 +489,8 @@ struct hw_perf_event { struct hrtimer hrtimer; }; #ifdef CONFIG_HAVE_HW_BREAKPOINT - union { /* breakpoint */ - struct arch_hw_breakpoint info; - }; + /* breakpoint */ + struct arch_hw_breakpoint info; #endif }; atomic64_t prev_count; @@ -802,6 +803,13 @@ struct perf_sample_data { struct perf_raw_record *raw; }; +static inline +void perf_sample_data_init(struct perf_sample_data *data, u64 addr) +{ + data->addr = addr; + data->raw = NULL; +} + extern void perf_output_sample(struct perf_output_handle *handle, struct perf_event_header *header, struct perf_sample_data *data, @@ -841,6 +849,44 @@ perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr) __perf_sw_event(event_id, nr, nmi, regs, addr); } +extern void +perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip); + +/* + * Take a snapshot of the regs. Skip ip and frame pointer to + * the nth caller. We only need a few of the regs: + * - ip for PERF_SAMPLE_IP + * - cs for user_mode() tests + * - bp for callchains + * - eflags, for future purposes, just in case + */ +static inline void perf_fetch_caller_regs(struct pt_regs *regs, int skip) +{ + unsigned long ip; + + memset(regs, 0, sizeof(*regs)); + + switch (skip) { + case 1 : + ip = CALLER_ADDR0; + break; + case 2 : + ip = CALLER_ADDR1; + break; + case 3 : + ip = CALLER_ADDR2; + break; + case 4: + ip = CALLER_ADDR3; + break; + /* No need to support further for now */ + default: + ip = 0; + } + + return perf_arch_fetch_caller_regs(regs, ip, skip); +} + extern void __perf_event_mmap(struct vm_area_struct *vma); static inline void perf_event_mmap(struct vm_area_struct *vma) @@ -858,8 +904,24 @@ extern int sysctl_perf_event_paranoid; extern int sysctl_perf_event_mlock; extern int sysctl_perf_event_sample_rate; +static inline bool perf_paranoid_tracepoint_raw(void) +{ + return sysctl_perf_event_paranoid > -1; +} + +static inline bool perf_paranoid_cpu(void) +{ + return sysctl_perf_event_paranoid > 0; +} + +static inline bool perf_paranoid_kernel(void) +{ + return sysctl_perf_event_paranoid > 1; +} + extern void perf_event_init(void); -extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record, int entry_size); +extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record, + int entry_size, struct pt_regs *regs); extern void perf_bp_event(struct perf_event *event, void *data); #ifndef perf_misc_flags @@ -915,5 +977,21 @@ static inline void perf_event_disable(struct perf_event *event) { } #define perf_output_put(handle, x) \ perf_output_copy((handle), &(x), sizeof(x)) +/* + * This has to have a higher priority than migration_notifier in sched.c. + */ +#define perf_cpu_notifier(fn) \ +do { \ + static struct notifier_block fn##_nb __cpuinitdata = \ + { .notifier_call = fn, .priority = 20 }; \ + fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \ + (void *)(unsigned long)smp_processor_id()); \ + fn(&fn##_nb, (unsigned long)CPU_STARTING, \ + (void *)(unsigned long)smp_processor_id()); \ + fn(&fn##_nb, (unsigned long)CPU_ONLINE, \ + (void *)(unsigned long)smp_processor_id()); \ + register_cpu_notifier(&fn##_nb); \ +} while (0) + #endif /* __KERNEL__ */ #endif /* _LINUX_PERF_EVENT_H */ diff --git a/include/linux/poll.h b/include/linux/poll.h index 6673743946f..600cc1fde64 100644 --- a/include/linux/poll.h +++ b/include/linux/poll.h @@ -10,8 +10,10 @@ #include <linux/wait.h> #include <linux/string.h> #include <linux/fs.h> +#include <linux/sysctl.h> #include <asm/uaccess.h> +extern struct ctl_table epoll_table[]; /* for sysctl */ /* ~832 bytes of stack space used max in sys_select/sys_poll before allocating additional memory. */ #define MAX_STACK_ALLOC 832 diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index b5d096d3a9b..ebd2b8fb00d 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -82,6 +82,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_CYCLE_COUNT, POWER_SUPPLY_PROP_VOLTAGE_MAX, POWER_SUPPLY_PROP_VOLTAGE_MIN, POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index c5eab89da51..e1fb6072997 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -264,6 +264,9 @@ static inline void user_enable_single_step(struct task_struct *task) static inline void user_disable_single_step(struct task_struct *task) { } +#else +extern void user_enable_single_step(struct task_struct *); +extern void user_disable_single_step(struct task_struct *); #endif /* arch_has_single_step */ #ifndef arch_has_block_step @@ -291,6 +294,8 @@ static inline void user_enable_block_step(struct task_struct *task) { BUG(); /* This can never be called. */ } +#else +extern void user_enable_block_step(struct task_struct *); #endif /* arch_has_block_step */ #ifdef ARCH_HAS_USER_SINGLE_STEP_INFO diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index 9c295411d01..5210a5c6087 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -25,10 +25,10 @@ Some example of insert and search follows here. The search is a plain normal search over an ordered tree. The insert instead must be implemented - int two steps: as first thing the code must insert the element in - order as a red leaf in the tree, then the support library function - rb_insert_color() must be called. Such function will do the - not trivial work to rebalance the rbtree if necessary. + in two steps: First, the code must insert the element in order as a red leaf + in the tree, and then the support library function rb_insert_color() must + be called. Such function will do the not trivial work to rebalance the + rbtree, if necessary. ----------------------------------------------------------------------- static inline struct page * rb_search_page_cache(struct inode * inode, diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index c8437362633..3024050c82a 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -41,6 +41,10 @@ #include <linux/lockdep.h> #include <linux/completion.h> +#ifdef CONFIG_RCU_TORTURE_TEST +extern int rcutorture_runnable; /* for sysctl */ +#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */ + /** * struct rcu_head - callback structure for use with RCU * @next: next update requests in a list @@ -97,6 +101,11 @@ extern struct lockdep_map rcu_sched_lock_map; # define rcu_read_release_sched() \ lock_release(&rcu_sched_lock_map, 1, _THIS_IP_) +static inline int debug_lockdep_rcu_enabled(void) +{ + return likely(rcu_scheduler_active && debug_locks); +} + /** * rcu_read_lock_held - might we be in RCU read-side critical section? * @@ -104,12 +113,14 @@ extern struct lockdep_map rcu_sched_lock_map; * an RCU read-side critical section. In absence of CONFIG_PROVE_LOCKING, * this assumes we are in an RCU read-side critical section unless it can * prove otherwise. + * + * Check rcu_scheduler_active to prevent false positives during boot. */ static inline int rcu_read_lock_held(void) { - if (debug_locks) - return lock_is_held(&rcu_lock_map); - return 1; + if (!debug_lockdep_rcu_enabled()) + return 1; + return lock_is_held(&rcu_lock_map); } /** @@ -119,12 +130,14 @@ static inline int rcu_read_lock_held(void) * an RCU-bh read-side critical section. In absence of CONFIG_PROVE_LOCKING, * this assumes we are in an RCU-bh read-side critical section unless it can * prove otherwise. + * + * Check rcu_scheduler_active to prevent false positives during boot. */ static inline int rcu_read_lock_bh_held(void) { - if (debug_locks) - return lock_is_held(&rcu_bh_lock_map); - return 1; + if (!debug_lockdep_rcu_enabled()) + return 1; + return lock_is_held(&rcu_bh_lock_map); } /** @@ -135,15 +148,26 @@ static inline int rcu_read_lock_bh_held(void) * this assumes we are in an RCU-sched read-side critical section unless it * can prove otherwise. Note that disabling of preemption (including * disabling irqs) counts as an RCU-sched read-side critical section. + * + * Check rcu_scheduler_active to prevent false positives during boot. */ +#ifdef CONFIG_PREEMPT static inline int rcu_read_lock_sched_held(void) { int lockdep_opinion = 0; + if (!debug_lockdep_rcu_enabled()) + return 1; if (debug_locks) lockdep_opinion = lock_is_held(&rcu_sched_lock_map); - return lockdep_opinion || preempt_count() != 0 || !rcu_scheduler_active; + return lockdep_opinion || preempt_count() != 0; +} +#else /* #ifdef CONFIG_PREEMPT */ +static inline int rcu_read_lock_sched_held(void) +{ + return 1; } +#endif /* #else #ifdef CONFIG_PREEMPT */ #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ @@ -164,10 +188,17 @@ static inline int rcu_read_lock_bh_held(void) return 1; } +#ifdef CONFIG_PREEMPT static inline int rcu_read_lock_sched_held(void) { - return preempt_count() != 0 || !rcu_scheduler_active; + return !rcu_scheduler_active || preempt_count() != 0; +} +#else /* #ifdef CONFIG_PREEMPT */ +static inline int rcu_read_lock_sched_held(void) +{ + return 1; } +#endif /* #else #ifdef CONFIG_PREEMPT */ #endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */ @@ -184,7 +215,7 @@ static inline int rcu_read_lock_sched_held(void) */ #define rcu_dereference_check(p, c) \ ({ \ - if (debug_locks && !(c)) \ + if (debug_lockdep_rcu_enabled() && !(c)) \ lockdep_rcu_dereference(__FILE__, __LINE__); \ rcu_dereference_raw(p); \ }) diff --git a/include/linux/reboot.h b/include/linux/reboot.h index 988e55fe649..3005d5a7fce 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h @@ -64,6 +64,7 @@ extern void kernel_restart(char *cmd); extern void kernel_halt(void); extern void kernel_power_off(void); +extern int C_A_D; /* for sysctl */ void ctrl_alt_del(void); #define POWEROFF_CMD_PATH_LEN 256 diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h index 97059d08a62..4f82326eb29 100644 --- a/include/linux/rfkill.h +++ b/include/linux/rfkill.h @@ -29,7 +29,7 @@ /** * enum rfkill_type - type of rfkill switch. * - * @RFKILL_TYPE_ALL: toggles all switches (userspace only) + * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type) * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device. * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device. * @RFKILL_TYPE_UWB: switch is on a ultra wideband device. diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 60f88a7fb13..14dbc83ded2 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -238,6 +238,12 @@ static inline bool is_leap_year(unsigned int year) return (!(year % 4) && (year % 100)) || !(year % 400); } +#ifdef CONFIG_RTC_HCTOSYS +extern int rtc_hctosys_ret; +#else +#define rtc_hctosys_ret -ENODEV +#endif + #endif /* __KERNEL__ */ #endif /* _LINUX_RTC_H_ */ diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index 281d8fd775e..8d522ffeda3 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -16,6 +16,8 @@ #include <linux/plist.h> #include <linux/spinlock_types.h> +extern int max_lock_depth; /* for sysctl */ + /** * The rt_mutex structure * diff --git a/include/linux/rwlock.h b/include/linux/rwlock.h index 71e0b00b6f2..bc2994ed66e 100644 --- a/include/linux/rwlock.h +++ b/include/linux/rwlock.h @@ -29,25 +29,25 @@ do { \ #endif #ifdef CONFIG_DEBUG_SPINLOCK - extern void do_raw_read_lock(rwlock_t *lock); + extern void do_raw_read_lock(rwlock_t *lock) __acquires(lock); #define do_raw_read_lock_flags(lock, flags) do_raw_read_lock(lock) extern int do_raw_read_trylock(rwlock_t *lock); - extern void do_raw_read_unlock(rwlock_t *lock); - extern void do_raw_write_lock(rwlock_t *lock); + extern void do_raw_read_unlock(rwlock_t *lock) __releases(lock); + extern void do_raw_write_lock(rwlock_t *lock) __acquires(lock); #define do_raw_write_lock_flags(lock, flags) do_raw_write_lock(lock) extern int do_raw_write_trylock(rwlock_t *lock); - extern void do_raw_write_unlock(rwlock_t *lock); + extern void do_raw_write_unlock(rwlock_t *lock) __releases(lock); #else -# define do_raw_read_lock(rwlock) arch_read_lock(&(rwlock)->raw_lock) +# define do_raw_read_lock(rwlock) do {__acquire(lock); arch_read_lock(&(rwlock)->raw_lock); } while (0) # define do_raw_read_lock_flags(lock, flags) \ - arch_read_lock_flags(&(lock)->raw_lock, *(flags)) + do {__acquire(lock); arch_read_lock_flags(&(lock)->raw_lock, *(flags)); } while (0) # define do_raw_read_trylock(rwlock) arch_read_trylock(&(rwlock)->raw_lock) -# define do_raw_read_unlock(rwlock) arch_read_unlock(&(rwlock)->raw_lock) -# define do_raw_write_lock(rwlock) arch_write_lock(&(rwlock)->raw_lock) +# define do_raw_read_unlock(rwlock) do {arch_read_unlock(&(rwlock)->raw_lock); __release(lock); } while (0) +# define do_raw_write_lock(rwlock) do {__acquire(lock); arch_write_lock(&(rwlock)->raw_lock); } while (0) # define do_raw_write_lock_flags(lock, flags) \ - arch_write_lock_flags(&(lock)->raw_lock, *(flags)) + do {__acquire(lock); arch_write_lock_flags(&(lock)->raw_lock, *(flags)); } while (0) # define do_raw_write_trylock(rwlock) arch_write_trylock(&(rwlock)->raw_lock) -# define do_raw_write_unlock(rwlock) arch_write_unlock(&(rwlock)->raw_lock) +# define do_raw_write_unlock(rwlock) do {arch_write_unlock(&(rwlock)->raw_lock); __release(lock); } while (0) #endif #define read_can_lock(rwlock) arch_read_can_lock(&(rwlock)->raw_lock) diff --git a/include/linux/sched.h b/include/linux/sched.h index 46c6f8d5dc0..dad7f668ebf 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -258,6 +258,10 @@ extern spinlock_t mmlist_lock; struct task_struct; +#ifdef CONFIG_PROVE_RCU +extern int lockdep_tasklist_lock_is_held(void); +#endif /* #ifdef CONFIG_PROVE_RCU */ + extern void sched_init(void); extern void sched_init_smp(void); extern asmlinkage void schedule_tail(struct task_struct *prev); @@ -1473,7 +1477,7 @@ struct task_struct { struct list_head *scm_work_list; #ifdef CONFIG_FUNCTION_GRAPH_TRACER - /* Index of current stored adress in ret_stack */ + /* Index of current stored address in ret_stack */ int curr_ret_stack; /* Stack of return addresses for return function tracing */ struct ftrace_ret_stack *ret_stack; @@ -2391,9 +2395,7 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times); static inline void thread_group_cputime_init(struct signal_struct *sig) { - sig->cputimer.cputime = INIT_CPUTIME; spin_lock_init(&sig->cputimer.lock); - sig->cputimer.running = 0; } static inline void thread_group_cputime_free(struct signal_struct *sig) diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 8c3dd36fe91..78dd1e7120a 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -491,9 +491,13 @@ uart_handle_dcd_change(struct uart_port *uport, unsigned int status) { struct uart_state *state = uport->state; struct tty_port *port = &state->port; + struct tty_ldisc *ld = tty_ldisc_ref(port->tty); + struct timespec ts; - uport->icount.dcd++; + if (ld && ld->ops->dcd_change) + getnstimeofday(&ts); + uport->icount.dcd++; #ifdef CONFIG_HARD_PPS if ((uport->flags & UPF_HARDPPS_CD) && status) hardpps(); @@ -505,6 +509,11 @@ uart_handle_dcd_change(struct uart_port *uport, unsigned int status) else if (port->tty) tty_hangup(port->tty); } + + if (ld && ld->ops->dcd_change) + ld->ops->dcd_change(port->tty, status, &ts); + if (ld) + tty_ldisc_deref(ld); } /** diff --git a/include/linux/signal.h b/include/linux/signal.h index ab9272cc270..fcd2b14b193 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -7,6 +7,8 @@ #ifdef __KERNEL__ #include <linux/list.h> +/* for sysctl */ +extern int print_fatal_signals; /* * Real Time signals may be queued. */ diff --git a/include/linux/snmp.h b/include/linux/snmp.h index e28f5a0182e..4435d108475 100644 --- a/include/linux/snmp.h +++ b/include/linux/snmp.h @@ -225,6 +225,8 @@ enum LINUX_MIB_SACKSHIFTED, LINUX_MIB_SACKMERGED, LINUX_MIB_SACKSHIFTFALLBACK, + LINUX_MIB_TCPBACKLOGDROP, + LINUX_MIB_TCPMINTTLDROP, /* RFC 5082 */ __LINUX_MIB_MAX }; diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 51948eb6927..b4ae570d3c9 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -12,7 +12,7 @@ enum ads7846_filter { }; struct ads7846_platform_data { - u16 model; /* 7843, 7845, 7846. */ + u16 model; /* 7843, 7845, 7846, 7873. */ u16 vref_delay_usecs; /* 0 for external vref; etc */ u16 vref_mv; /* external vref value, milliVolts */ bool keep_vref_on; /* set to keep vref on for differential @@ -53,5 +53,6 @@ struct ads7846_platform_data { int (*filter) (void *filter_data, int data_idx, int *val); void (*filter_cleanup)(void *filter_data); void (*wait_for_sync)(void); + bool wakeup; }; diff --git a/include/linux/spi/l4f00242t03.h b/include/linux/spi/l4f00242t03.h new file mode 100644 index 00000000000..aee1dbda4ed --- /dev/null +++ b/include/linux/spi/l4f00242t03.h @@ -0,0 +1,31 @@ +/* + * l4f00242t03.h -- Platform glue for Epson L4F00242T03 LCD + * + * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> + * Based on Marek Vasut work in lms283gf05.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _INCLUDE_LINUX_SPI_L4F00242T03_H_ +#define _INCLUDE_LINUX_SPI_L4F00242T03_H_ + +struct l4f00242t03_pdata { + unsigned int reset_gpio; + unsigned int data_enable_gpio; + const char *io_supply; /* will be set to 1.8 V */ + const char *core_supply; /* will be set to 2.8 V */ +}; + +#endif /* _INCLUDE_LINUX_SPI_L4F00242T03_H_ */ diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 86088213334..89fac6a3f78 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -128,19 +128,21 @@ static inline void smp_mb__after_lock(void) { smp_mb(); } #define raw_spin_unlock_wait(lock) arch_spin_unlock_wait(&(lock)->raw_lock) #ifdef CONFIG_DEBUG_SPINLOCK - extern void do_raw_spin_lock(raw_spinlock_t *lock); + extern void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock); #define do_raw_spin_lock_flags(lock, flags) do_raw_spin_lock(lock) extern int do_raw_spin_trylock(raw_spinlock_t *lock); - extern void do_raw_spin_unlock(raw_spinlock_t *lock); + extern void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock); #else -static inline void do_raw_spin_lock(raw_spinlock_t *lock) +static inline void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock) { + __acquire(lock); arch_spin_lock(&lock->raw_lock); } static inline void -do_raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long *flags) +do_raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long *flags) __acquires(lock) { + __acquire(lock); arch_spin_lock_flags(&lock->raw_lock, *flags); } @@ -149,9 +151,10 @@ static inline int do_raw_spin_trylock(raw_spinlock_t *lock) return arch_spin_trylock(&(lock)->raw_lock); } -static inline void do_raw_spin_unlock(raw_spinlock_t *lock) +static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock) { arch_spin_unlock(&lock->raw_lock); + __release(lock); } #endif diff --git a/include/linux/swap.h b/include/linux/swap.h index a2602a8207a..1f59d9340c4 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -355,6 +355,7 @@ static inline void disable_swap_token(void) #ifdef CONFIG_CGROUP_MEM_RES_CTLR extern void mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout); +extern int mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep); #else static inline void mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout) @@ -485,6 +486,14 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent) { } +#ifdef CONFIG_CGROUP_MEM_RES_CTLR +static inline int +mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep) +{ + return 0; +} +#endif + #endif /* CONFIG_SWAP */ #endif /* __KERNEL__*/ #endif /* _LINUX_SWAP_H */ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 8126f239edf..f994ae58a00 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -23,6 +23,7 @@ struct kexec_segment; struct linux_dirent; struct linux_dirent64; struct list_head; +struct mmap_arg_struct; struct msgbuf; struct msghdr; struct mmsghdr; @@ -30,10 +31,13 @@ struct msqid_ds; struct new_utsname; struct nfsctl_arg; struct __old_kernel_stat; +struct oldold_utsname; +struct old_utsname; struct pollfd; struct rlimit; struct rusage; struct sched_param; +struct sel_arg_struct; struct semaphore; struct sembuf; struct shmid_ds; @@ -101,18 +105,18 @@ struct perf_event_attr; #ifdef CONFIG_PERF_EVENTS -#define TRACE_SYS_ENTER_PROFILE_INIT(sname) \ - .profile_enable = prof_sysenter_enable, \ - .profile_disable = prof_sysenter_disable, +#define TRACE_SYS_ENTER_PERF_INIT(sname) \ + .perf_event_enable = perf_sysenter_enable, \ + .perf_event_disable = perf_sysenter_disable, -#define TRACE_SYS_EXIT_PROFILE_INIT(sname) \ - .profile_enable = prof_sysexit_enable, \ - .profile_disable = prof_sysexit_disable, +#define TRACE_SYS_EXIT_PERF_INIT(sname) \ + .perf_event_enable = perf_sysexit_enable, \ + .perf_event_disable = perf_sysexit_disable, #else -#define TRACE_SYS_ENTER_PROFILE(sname) -#define TRACE_SYS_ENTER_PROFILE_INIT(sname) -#define TRACE_SYS_EXIT_PROFILE(sname) -#define TRACE_SYS_EXIT_PROFILE_INIT(sname) +#define TRACE_SYS_ENTER_PERF(sname) +#define TRACE_SYS_ENTER_PERF_INIT(sname) +#define TRACE_SYS_EXIT_PERF(sname) +#define TRACE_SYS_EXIT_PERF_INIT(sname) #endif /* CONFIG_PERF_EVENTS */ #ifdef CONFIG_FTRACE_SYSCALLS @@ -149,7 +153,7 @@ struct perf_event_attr; .regfunc = reg_event_syscall_enter, \ .unregfunc = unreg_event_syscall_enter, \ .data = (void *)&__syscall_meta_##sname,\ - TRACE_SYS_ENTER_PROFILE_INIT(sname) \ + TRACE_SYS_ENTER_PERF_INIT(sname) \ } #define SYSCALL_TRACE_EXIT_EVENT(sname) \ @@ -171,7 +175,7 @@ struct perf_event_attr; .regfunc = reg_event_syscall_exit, \ .unregfunc = unreg_event_syscall_exit, \ .data = (void *)&__syscall_meta_##sname,\ - TRACE_SYS_EXIT_PROFILE_INIT(sname) \ + TRACE_SYS_EXIT_PERF_INIT(sname) \ } #define SYSCALL_METADATA(sname, nb) \ @@ -638,6 +642,7 @@ asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, long timeout); asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp); +asmlinkage long sys_old_select(struct sel_arg_struct __user *arg); asmlinkage long sys_epoll_create(int size); asmlinkage long sys_epoll_create1(int flags); asmlinkage long sys_epoll_ctl(int epfd, int op, int fd, @@ -652,6 +657,8 @@ asmlinkage long sys_gethostname(char __user *name, int len); asmlinkage long sys_sethostname(char __user *name, int len); asmlinkage long sys_setdomainname(char __user *name, int len); asmlinkage long sys_newuname(struct new_utsname __user *name); +asmlinkage long sys_uname(struct old_utsname __user *); +asmlinkage long sys_olduname(struct oldold_utsname __user *); asmlinkage long sys_getrlimit(unsigned int resource, struct rlimit __user *rlim); @@ -681,6 +688,8 @@ asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); asmlinkage long sys_shmget(key_t key, size_t size, int flag); asmlinkage long sys_shmdt(char __user *shmaddr); asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); +asmlinkage long sys_ipc(unsigned int call, int first, int second, + unsigned long third, void __user *ptr, long fifth); asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr); asmlinkage long sys_mq_unlink(const char __user *name); @@ -836,4 +845,6 @@ asmlinkage long sys_perf_event_open( 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); + #endif diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h index 3398f455326..b6523c1427c 100644 --- a/include/linux/taskstats_kern.h +++ b/include/linux/taskstats_kern.h @@ -14,11 +14,6 @@ extern struct kmem_cache *taskstats_cache; extern struct mutex taskstats_exit_mutex; -static inline void taskstats_tgid_init(struct signal_struct *sig) -{ - sig->stats = NULL; -} - static inline void taskstats_tgid_free(struct signal_struct *sig) { if (sig->stats) @@ -30,8 +25,6 @@ extern void taskstats_init_early(void); #else static inline void taskstats_exit(struct task_struct *tsk, int group_dead) {} -static inline void taskstats_tgid_init(struct signal_struct *sig) -{} static inline void taskstats_tgid_free(struct signal_struct *sig) {} static inline void taskstats_init_early(void) diff --git a/include/linux/tty.h b/include/linux/tty.h index d96e5882f12..568369a8630 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -514,6 +514,7 @@ extern void tty_ldisc_enable(struct tty_struct *tty); /* n_tty.c */ extern struct tty_ldisc_ops tty_ldisc_N_TTY; +extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops); /* tty_audit.c */ #ifdef CONFIG_AUDIT diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 0c4ee9b88f8..526d66f066a 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -99,6 +99,12 @@ * cease I/O to the tty driver. Can sleep. The driver should * seek to perform this action quickly but should wait until * any pending driver I/O is completed. + * + * void (*dcd_change)(struct tty_struct *tty, unsigned int status, + * struct timespec *ts) + * + * Tells the discipline that the DCD pin has changed its status and + * the relative timestamp. Pointer ts can be NULL. */ #include <linux/fs.h> @@ -136,6 +142,8 @@ struct tty_ldisc_ops { void (*receive_buf)(struct tty_struct *, const unsigned char *cp, char *fp, int count); void (*write_wakeup)(struct tty_struct *); + void (*dcd_change)(struct tty_struct *, unsigned int, + struct timespec *); struct module *owner; diff --git a/include/linux/virtio.h b/include/linux/virtio.h index f508c651e53..40d1709bdbf 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -98,6 +98,7 @@ struct virtio_device { void *priv; }; +#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev) int register_virtio_device(struct virtio_device *dev); void unregister_virtio_device(struct virtio_device *dev); diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h index 33227508008..5cf11765146 100644 --- a/include/linux/virtio_9p.h +++ b/include/linux/virtio_9p.h @@ -5,4 +5,16 @@ #include <linux/virtio_ids.h> #include <linux/virtio_config.h> +/* The feature bitmap for virtio 9P */ + +/* The mount point is specified in a config variable */ +#define VIRTIO_9P_MOUNT_TAG 0 + +struct virtio_9p_config { + /* length of the tag name */ + __u16 tag_len; + /* non-NULL terminated tag name */ + __u8 tag[0]; +} __attribute__((packed)); + #endif /* _LINUX_VIRTIO_9P_H */ |