diff options
Diffstat (limited to 'include/linux')
164 files changed, 2703 insertions, 735 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index bcbdd7484e5..03053aca5b3 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -152,15 +152,6 @@ void acpi_penalize_isa_irq(int irq, int active); void acpi_pci_irq_disable (struct pci_dev *dev); -struct acpi_pci_driver { - struct list_head node; - int (*add)(struct acpi_pci_root *root); - void (*remove)(struct acpi_pci_root *root); -}; - -int acpi_pci_register_driver(struct acpi_pci_driver *driver); -void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); - extern int ec_read(u8 addr, u8 *val); extern int ec_write(u8 addr, u8 val); extern int ec_transaction(u8 command, diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index f612c783170..62d9303c283 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -203,6 +203,9 @@ struct amba_pl011_data { bool (*dma_filter)(struct dma_chan *chan, void *filter_param); void *dma_rx_param; void *dma_tx_param; + bool dma_rx_poll_enable; + unsigned int dma_rx_poll_rate; + unsigned int dma_rx_poll_timeout; void (*init) (void); void (*exit) (void); }; diff --git a/include/linux/async.h b/include/linux/async.h index a2e3f18b2ad..6b0226bdaad 100644 --- a/include/linux/async.h +++ b/include/linux/async.h @@ -16,9 +16,8 @@ #include <linux/list.h> typedef u64 async_cookie_t; -typedef void (async_func_ptr) (void *data, async_cookie_t cookie); +typedef void (*async_func_t) (void *data, async_cookie_t cookie); struct async_domain { - struct list_head node; struct list_head pending; unsigned registered:1; }; @@ -27,8 +26,7 @@ struct async_domain { * domain participates in global async_synchronize_full */ #define ASYNC_DOMAIN(_name) \ - struct async_domain _name = { .node = LIST_HEAD_INIT(_name.node), \ - .pending = LIST_HEAD_INIT(_name.pending), \ + struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \ .registered = 1 } /* @@ -36,12 +34,11 @@ struct async_domain { * complete, this domain does not participate in async_synchronize_full */ #define ASYNC_DOMAIN_EXCLUSIVE(_name) \ - struct async_domain _name = { .node = LIST_HEAD_INIT(_name.node), \ - .pending = LIST_HEAD_INIT(_name.pending), \ + struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \ .registered = 0 } -extern async_cookie_t async_schedule(async_func_ptr *ptr, void *data); -extern async_cookie_t async_schedule_domain(async_func_ptr *ptr, void *data, +extern async_cookie_t async_schedule(async_func_t func, void *data); +extern async_cookie_t async_schedule_domain(async_func_t func, void *data, struct async_domain *domain); void async_unregister_domain(struct async_domain *domain); extern void async_synchronize_full(void); diff --git a/include/linux/ata.h b/include/linux/ata.h index 8f7a3d68371..ee0bd952405 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -954,7 +954,7 @@ static inline int atapi_cdb_len(const u16 *dev_id) } } -static inline bool atapi_command_packet_set(const u16 *dev_id) +static inline int atapi_command_packet_set(const u16 *dev_id) { return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f; } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index cdf11191e64..22990cf4439 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -111,12 +111,13 @@ struct bio { #define BIO_FS_INTEGRITY 9 /* fs owns integrity data, not block layer */ #define BIO_QUIET 10 /* Make BIO Quiet */ #define BIO_MAPPED_INTEGRITY 11/* integrity metadata has been remapped */ +#define BIO_SNAP_STABLE 12 /* bio data must be snapshotted during write */ /* * Flags starting here get preserved by bio_reset() - this includes * BIO_POOL_IDX() */ -#define BIO_RESET_BITS 12 +#define BIO_RESET_BITS 13 #define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag))) diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 0ea61e07a91..7c2e030e72f 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -12,7 +12,6 @@ struct blk_trace { int trace_state; - bool rq_based; struct rchan *rchan; unsigned long __percpu *sequence; unsigned char __percpu *msg_data; diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index cdc3bab0183..5f0b0e1f7c0 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -44,7 +44,6 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat, unsigned long endpfn); extern unsigned long init_bootmem(unsigned long addr, unsigned long memend); -extern unsigned long free_low_memory_core_early(int nodeid); extern unsigned long free_all_bootmem_node(pg_data_t *pgdat); extern unsigned long free_all_bootmem(void); diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 5afc4f94d11..4c16c4a88d4 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -181,6 +181,7 @@ void ll_rw_block(int, int, struct buffer_head * bh[]); int sync_dirty_buffer(struct buffer_head *bh); int __sync_dirty_buffer(struct buffer_head *bh, int rw); void write_dirty_buffer(struct buffer_head *bh, int rw); +int _submit_bh(int rw, struct buffer_head *bh, unsigned long bio_flags); int submit_bh(int, struct buffer_head *); void write_boundary_block(struct block_device *bdev, sector_t bblock, unsigned blocksize); diff --git a/include/linux/capability.h b/include/linux/capability.h index 98503b79236..d9a4f7f40f3 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -35,6 +35,7 @@ struct cpu_vfs_cap_data { #define _KERNEL_CAP_T_SIZE (sizeof(kernel_cap_t)) +struct file; struct inode; struct dentry; struct user_namespace; @@ -211,6 +212,7 @@ extern bool capable(int cap); extern bool ns_capable(struct user_namespace *ns, int cap); extern bool nsown_capable(int cap); extern bool inode_capable(const struct inode *inode, int cap); +extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); /* audit system wants to get cap info from files as well */ extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 95c02c0e35b..646ab9d15e4 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -19,6 +19,7 @@ #include <linux/idr.h> #include <linux/workqueue.h> #include <linux/xattr.h> +#include <linux/fs.h> #ifdef CONFIG_CGROUPS @@ -30,10 +31,6 @@ struct css_id; extern int cgroup_init_early(void); extern int cgroup_init(void); -extern void cgroup_lock(void); -extern int cgroup_lock_is_held(void); -extern bool cgroup_lock_live_group(struct cgroup *cgrp); -extern void cgroup_unlock(void); extern void cgroup_fork(struct task_struct *p); extern void cgroup_post_fork(struct task_struct *p); extern void cgroup_exit(struct task_struct *p, int run_callbacks); @@ -44,14 +41,25 @@ extern void cgroup_unload_subsys(struct cgroup_subsys *ss); extern const struct file_operations proc_cgroup_operations; -/* Define the enumeration of all builtin cgroup subsystems */ +/* + * Define the enumeration of all cgroup subsystems. + * + * We define ids for builtin subsystems and then modular ones. + */ #define SUBSYS(_x) _x ## _subsys_id, -#define IS_SUBSYS_ENABLED(option) IS_ENABLED(option) enum cgroup_subsys_id { +#define IS_SUBSYS_ENABLED(option) IS_BUILTIN(option) #include <linux/cgroup_subsys.h> +#undef IS_SUBSYS_ENABLED + CGROUP_BUILTIN_SUBSYS_COUNT, + + __CGROUP_SUBSYS_TEMP_PLACEHOLDER = CGROUP_BUILTIN_SUBSYS_COUNT - 1, + +#define IS_SUBSYS_ENABLED(option) IS_MODULE(option) +#include <linux/cgroup_subsys.h> +#undef IS_SUBSYS_ENABLED CGROUP_SUBSYS_COUNT, }; -#undef IS_SUBSYS_ENABLED #undef SUBSYS /* Per-subsystem/per-cgroup state maintained by the system. */ @@ -148,6 +156,13 @@ enum { * specified at mount time and thus is implemented here. */ CGRP_CPUSET_CLONE_CHILDREN, + /* see the comment above CGRP_ROOT_SANE_BEHAVIOR for details */ + CGRP_SANE_BEHAVIOR, +}; + +struct cgroup_name { + struct rcu_head rcu_head; + char name[]; }; struct cgroup { @@ -172,11 +187,23 @@ struct cgroup { struct cgroup *parent; /* my parent */ struct dentry *dentry; /* cgroup fs entry, RCU protected */ + /* + * This is a copy of dentry->d_name, and it's needed because + * we can't use dentry->d_name in cgroup_path(). + * + * You must acquire rcu_read_lock() to access cgrp->name, and + * the only place that can change it is rename(), which is + * protected by parent dir's i_mutex. + * + * Normally you should use cgroup_name() wrapper rather than + * access it directly. + */ + struct cgroup_name __rcu *name; + /* Private pointers for each registered subsystem */ struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT]; struct cgroupfs_root *root; - struct cgroup *top_cgroup; /* * List of cg_cgroup_links pointing at css_sets with @@ -213,6 +240,96 @@ struct cgroup { struct simple_xattrs xattrs; }; +#define MAX_CGROUP_ROOT_NAMELEN 64 + +/* cgroupfs_root->flags */ +enum { + /* + * Unfortunately, cgroup core and various controllers are riddled + * with idiosyncrasies and pointless options. The following flag, + * when set, will force sane behavior - some options are forced on, + * others are disallowed, and some controllers will change their + * hierarchical or other behaviors. + * + * The set of behaviors affected by this flag are still being + * determined and developed and the mount option for this flag is + * prefixed with __DEVEL__. The prefix will be dropped once we + * reach the point where all behaviors are compatible with the + * planned unified hierarchy, which will automatically turn on this + * flag. + * + * The followings are the behaviors currently affected this flag. + * + * - Mount options "noprefix" and "clone_children" are disallowed. + * Also, cgroupfs file cgroup.clone_children is not created. + * + * - When mounting an existing superblock, mount options should + * match. + * + * - Remount is disallowed. + * + * - memcg: use_hierarchy is on by default and the cgroup file for + * the flag is not created. + * + * The followings are planned changes. + * + * - release_agent will be disallowed once replacement notification + * mechanism is implemented. + */ + CGRP_ROOT_SANE_BEHAVIOR = (1 << 0), + + CGRP_ROOT_NOPREFIX = (1 << 1), /* mounted subsystems have no named prefix */ + CGRP_ROOT_XATTR = (1 << 2), /* supports extended attributes */ +}; + +/* + * A cgroupfs_root represents the root of a cgroup hierarchy, and may be + * associated with a superblock to form an active hierarchy. This is + * internal to cgroup core. Don't access directly from controllers. + */ +struct cgroupfs_root { + struct super_block *sb; + + /* + * The bitmask of subsystems intended to be attached to this + * hierarchy + */ + unsigned long subsys_mask; + + /* Unique id for this hierarchy. */ + int hierarchy_id; + + /* The bitmask of subsystems currently attached to this hierarchy */ + unsigned long actual_subsys_mask; + + /* A list running through the attached subsystems */ + struct list_head subsys_list; + + /* The root cgroup for this hierarchy */ + struct cgroup top_cgroup; + + /* Tracks how many cgroups are currently defined in hierarchy.*/ + int number_of_cgroups; + + /* A list running through the active hierarchies */ + struct list_head root_list; + + /* All cgroups on this root, cgroup_mutex protected */ + struct list_head allcg_list; + + /* Hierarchy-specific flags */ + unsigned long flags; + + /* IDs for cgroups in this hierarchy */ + struct ida cgroup_ida; + + /* The path to use for release notifications. */ + char release_agent_path[PATH_MAX]; + + /* The name for this hierarchy - may be empty */ + char name[MAX_CGROUP_ROOT_NAMELEN]; +}; + /* * A css_set is a structure holding pointers to a set of * cgroup_subsys_state objects. This saves space in the task struct @@ -278,6 +395,7 @@ struct cgroup_map_cb { /* cftype->flags */ #define CFTYPE_ONLY_ON_ROOT (1U << 0) /* only create on root cg */ #define CFTYPE_NOT_ON_ROOT (1U << 1) /* don't create on root cg */ +#define CFTYPE_INSANE (1U << 2) /* don't create if sane_behavior */ #define MAX_CFTYPE_NAME 64 @@ -304,9 +422,6 @@ struct cftype { /* CFTYPE_* flags */ unsigned int flags; - /* file xattrs */ - struct simple_xattrs xattrs; - int (*open)(struct inode *inode, struct file *file); ssize_t (*read)(struct cgroup *cgrp, struct cftype *cft, struct file *file, @@ -404,18 +519,31 @@ struct cgroup_scanner { void *data; }; +/* + * See the comment above CGRP_ROOT_SANE_BEHAVIOR for details. This + * function can be called as long as @cgrp is accessible. + */ +static inline bool cgroup_sane_behavior(const struct cgroup *cgrp) +{ + return cgrp->root->flags & CGRP_ROOT_SANE_BEHAVIOR; +} + +/* Caller should hold rcu_read_lock() */ +static inline const char *cgroup_name(const struct cgroup *cgrp) +{ + return rcu_dereference(cgrp->name)->name; +} + int cgroup_add_cftypes(struct cgroup_subsys *ss, struct cftype *cfts); int cgroup_rm_cftypes(struct cgroup_subsys *ss, struct cftype *cfts); int cgroup_is_removed(const struct cgroup *cgrp); +bool cgroup_is_descendant(struct cgroup *cgrp, struct cgroup *ancestor); int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen); int cgroup_task_count(const struct cgroup *cgrp); -/* Return true if cgrp is a descendant of the task's cgroup */ -int cgroup_is_descendant(const struct cgroup *cgrp, struct task_struct *task); - /* * Control Group taskset, used to pass around set of tasks to cgroup_subsys * methods. @@ -522,10 +650,16 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state( * rcu_dereference_check() conditions, such as locks used during the * cgroup_subsys::attach() methods. */ +#ifdef CONFIG_PROVE_RCU +extern struct mutex cgroup_mutex; #define task_subsys_state_check(task, subsys_id, __c) \ - rcu_dereference_check(task->cgroups->subsys[subsys_id], \ - lockdep_is_held(&task->alloc_lock) || \ - cgroup_lock_is_held() || (__c)) + rcu_dereference_check((task)->cgroups->subsys[(subsys_id)], \ + lockdep_is_held(&(task)->alloc_lock) || \ + lockdep_is_held(&cgroup_mutex) || (__c)) +#else +#define task_subsys_state_check(task, subsys_id, __c) \ + rcu_dereference((task)->cgroups->subsys[(subsys_id)]) +#endif static inline struct cgroup_subsys_state * task_subsys_state(struct task_struct *task, int subsys_id) @@ -660,8 +794,8 @@ struct task_struct *cgroup_iter_next(struct cgroup *cgrp, struct cgroup_iter *it); void cgroup_iter_end(struct cgroup *cgrp, struct cgroup_iter *it); int cgroup_scan_tasks(struct cgroup_scanner *scan); -int cgroup_attach_task(struct cgroup *, struct task_struct *); int cgroup_attach_task_all(struct task_struct *from, struct task_struct *); +int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from); /* * CSS ID is ID for cgroup_subsys_state structs under subsys. This only works @@ -686,13 +820,6 @@ void free_css_id(struct cgroup_subsys *ss, struct cgroup_subsys_state *css); struct cgroup_subsys_state *css_lookup(struct cgroup_subsys *ss, int id); -/* - * Get a cgroup whose id is greater than or equal to id under tree of root. - * Returning a cgroup_subsys_state or NULL. - */ -struct cgroup_subsys_state *css_get_next(struct cgroup_subsys *ss, int id, - struct cgroup_subsys_state *root, int *foundid); - /* Returns true if root is ancestor of cg */ bool css_is_ancestor(struct cgroup_subsys_state *cg, const struct cgroup_subsys_state *root); diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h index 9c7f5807824..dd7adff76e8 100644 --- a/include/linux/clk-private.h +++ b/include/linux/clk-private.h @@ -152,7 +152,7 @@ struct clk { }, \ .reg = _reg, \ .shift = _shift, \ - .width = _width, \ + .mask = BIT(_width) - 1, \ .flags = _mux_flags, \ .lock = _lock, \ }; \ diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 7f197d7addb..11860985fec 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -45,6 +45,14 @@ struct clk_hw; * undo any work done in the @prepare callback. Called with * prepare_lock held. * + * @is_prepared: Queries the hardware to determine if the clock is prepared. + * This function is allowed to sleep. Optional, if this op is not + * set then the prepare count will be used. + * + * @unprepare_unused: Unprepare the clock atomically. Only called from + * clk_disable_unused for prepare clocks with special needs. + * Called with prepare mutex held. This function may sleep. + * * @enable: Enable the clock atomically. This must not return until the * clock is generating a valid clock signal, usable by consumer * devices. Called with enable_lock held. This function must not @@ -108,6 +116,8 @@ struct clk_hw; struct clk_ops { int (*prepare)(struct clk_hw *hw); void (*unprepare)(struct clk_hw *hw); + int (*is_prepared)(struct clk_hw *hw); + void (*unprepare_unused)(struct clk_hw *hw); int (*enable)(struct clk_hw *hw); void (*disable)(struct clk_hw *hw); int (*is_enabled)(struct clk_hw *hw); @@ -239,9 +249,14 @@ struct clk_div_table { * CLK_DIVIDER_ONE_BASED - by default the divisor is the value read from the * register plus one. If CLK_DIVIDER_ONE_BASED is set then the divider is * the raw value read from the register, with the value of zero considered - * invalid + * invalid, unless CLK_DIVIDER_ALLOW_ZERO is set. * CLK_DIVIDER_POWER_OF_TWO - clock divisor is 2 raised to the value read from * the hardware register + * CLK_DIVIDER_ALLOW_ZERO - Allow zero divisors. For dividers which have + * CLK_DIVIDER_ONE_BASED set, it is possible to end up with a zero divisor. + * Some hardware implementations gracefully handle this case and allow a + * zero divisor by not modifying their input clock + * (divide by one / bypass). */ struct clk_divider { struct clk_hw hw; @@ -255,6 +270,7 @@ struct clk_divider { #define CLK_DIVIDER_ONE_BASED BIT(0) #define CLK_DIVIDER_POWER_OF_TWO BIT(1) +#define CLK_DIVIDER_ALLOW_ZERO BIT(2) extern const struct clk_ops clk_divider_ops; struct clk *clk_register_divider(struct device *dev, const char *name, @@ -274,7 +290,7 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name, * @reg: register controlling multiplexer * @shift: shift to multiplexer bit field * @width: width of mutliplexer bit field - * @num_clks: number of parent clocks + * @flags: hardware-specific flags * @lock: register lock * * Clock with multiple selectable parents. Implements .get_parent, .set_parent @@ -287,8 +303,9 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name, struct clk_mux { struct clk_hw hw; void __iomem *reg; + u32 *table; + u32 mask; u8 shift; - u8 width; u8 flags; spinlock_t *lock; }; @@ -297,11 +314,19 @@ struct clk_mux { #define CLK_MUX_INDEX_BIT BIT(1) extern const struct clk_ops clk_mux_ops; + struct clk *clk_register_mux(struct device *dev, const char *name, const char **parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_mux_flags, spinlock_t *lock); +struct clk *clk_register_mux_table(struct device *dev, const char *name, + const char **parent_names, u8 num_parents, unsigned long flags, + void __iomem *reg, u8 shift, u32 mask, + u8 clk_mux_flags, u32 *table, spinlock_t *lock); + +void of_fixed_factor_clk_setup(struct device_node *node); + /** * struct clk_fixed_factor - fixed multiplier and divider clock * @@ -325,6 +350,37 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); +/*** + * struct clk_composite - aggregate clock of mux, divider and gate clocks + * + * @hw: handle between common and hardware-specific interfaces + * @mux_hw: handle between composite and hardware-specific mux clock + * @rate_hw: handle between composite and hardware-specific rate clock + * @gate_hw: handle between composite and hardware-specific gate clock + * @mux_ops: clock ops for mux + * @rate_ops: clock ops for rate + * @gate_ops: clock ops for gate + */ +struct clk_composite { + struct clk_hw hw; + struct clk_ops ops; + + struct clk_hw *mux_hw; + struct clk_hw *rate_hw; + struct clk_hw *gate_hw; + + const struct clk_ops *mux_ops; + const struct clk_ops *rate_ops; + const struct clk_ops *gate_ops; +}; + +struct clk *clk_register_composite(struct device *dev, const char *name, + const char **parent_names, int num_parents, + struct clk_hw *mux_hw, const struct clk_ops *mux_ops, + struct clk_hw *rate_hw, const struct clk_ops *rate_ops, + struct clk_hw *gate_hw, const struct clk_ops *gate_ops, + unsigned long flags); + /** * clk_register - allocate a new clock, register it and return an opaque cookie * @dev: device that is registering this clock @@ -351,6 +407,7 @@ unsigned int __clk_get_enable_count(struct clk *clk); unsigned int __clk_get_prepare_count(struct clk *clk); unsigned long __clk_get_rate(struct clk *clk); unsigned long __clk_get_flags(struct clk *clk); +bool __clk_is_prepared(struct clk *clk); bool __clk_is_enabled(struct clk *clk); struct clk *__clk_lookup(const char *name); diff --git a/include/linux/clk.h b/include/linux/clk.h index b3ac22d0fc1..9a6d04524b1 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -28,16 +28,16 @@ struct clk; * PRE_RATE_CHANGE - called immediately before the clk rate is changed, * to indicate that the rate change will proceed. Drivers must * immediately terminate any operations that will be affected by the - * rate change. Callbacks may either return NOTIFY_DONE or - * NOTIFY_STOP. + * rate change. Callbacks may either return NOTIFY_DONE, NOTIFY_OK, + * NOTIFY_STOP or NOTIFY_BAD. * * ABORT_RATE_CHANGE: called if the rate change failed for some reason * after PRE_RATE_CHANGE. In this case, all registered notifiers on * the clk will be called with ABORT_RATE_CHANGE. Callbacks must - * always return NOTIFY_DONE. + * always return NOTIFY_DONE or NOTIFY_OK. * * POST_RATE_CHANGE - called after the clk rate change has successfully - * completed. Callbacks must always return NOTIFY_DONE. + * completed. Callbacks must always return NOTIFY_DONE or NOTIFY_OK. * */ #define PRE_RATE_CHANGE BIT(0) diff --git a/include/linux/clk/sunxi.h b/include/linux/clk/sunxi.h new file mode 100644 index 00000000000..e074fdd5a23 --- /dev/null +++ b/include/linux/clk/sunxi.h @@ -0,0 +1,22 @@ +/* + * Copyright 2012 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.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; 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. + */ + +#ifndef __LINUX_CLK_SUNXI_H_ +#define __LINUX_CLK_SUNXI_H_ + +void __init sunxi_init_clocks(void); + +#endif diff --git a/include/linux/compat.h b/include/linux/compat.h index 76a87fb57ac..377cd8c3395 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -141,11 +141,11 @@ typedef struct { } compat_sigset_t; struct compat_sigaction { -#ifndef __ARCH_HAS_ODD_SIGACTION +#ifndef __ARCH_HAS_IRIX_SIGACTION compat_uptr_t sa_handler; compat_ulong_t sa_flags; #else - compat_ulong_t sa_flags; + compat_uint_t sa_flags; compat_uptr_t sa_handler; #endif #ifdef __ARCH_HAS_SA_RESTORER diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 68b162d9225..842de225055 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -13,7 +13,7 @@ #define __must_check __attribute__((warn_unused_result)) #define __compiler_offsetof(a,b) __builtin_offsetof(a,b) -#if GCC_VERSION >= 40100 +#if GCC_VERSION >= 40100 && GCC_VERSION < 40600 # define __compiletime_object_size(obj) __builtin_object_size(obj, 0) #endif diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 10b8f23fab0..92669cd182a 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -351,4 +351,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); */ #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) +/* Ignore/forbid kprobes attach on very low level functions marked by this attribute: */ +#ifdef CONFIG_KPROBES +# define __kprobes __attribute__((__section__(".kprobes.text"))) +#else +# define __kprobes +#endif #endif /* __LINUX_COMPILER_H */ diff --git a/include/linux/console.h b/include/linux/console.h index 29680a8cda9..73bab0f58af 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -141,6 +141,7 @@ struct console { for (con = console_drivers; con != NULL; con = con->next) extern int console_set_on_cmdline; +extern struct console *early_console; extern int add_preferred_console(char *name, int idx, char *options); extern int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options); diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 032560295fc..d08e4d2a9b9 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -591,6 +591,21 @@ static inline int cpulist_scnprintf(char *buf, int len, } /** + * cpumask_parse - extract a cpumask from from a string + * @buf: the buffer to extract from + * @dstp: the cpumask to set. + * + * Returns -errno, or 0 for success. + */ +static inline int cpumask_parse(const char *buf, struct cpumask *dstp) +{ + char *nl = strchr(buf, '\n'); + int len = nl ? nl - buf : strlen(buf); + + return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits); +} + +/** * cpulist_parse - extract a cpumask from a user string of ranges * @buf: the buffer to extract from * @dstp: the cpumask to set. diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 8c8a60d2940..ccd1de8ad82 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/cpumask.h> #include <linux/nodemask.h> -#include <linux/cgroup.h> #include <linux/mm.h> #ifdef CONFIG_CPUSETS diff --git a/include/linux/ctype.h b/include/linux/ctype.h index 8acfe312f94..653589e3e30 100644 --- a/include/linux/ctype.h +++ b/include/linux/ctype.h @@ -61,4 +61,10 @@ static inline char _tolower(const char c) return c | 0x20; } +/* Fast check for octal digit */ +static inline int isodigit(const char c) +{ + return c >= '0' && c <= '7'; +} + #endif diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h index a975de1ff59..21ca773f77b 100644 --- a/include/linux/debug_locks.h +++ b/include/linux/debug_locks.h @@ -27,7 +27,7 @@ extern int debug_locks_off(void); \ if (!oops_in_progress && unlikely(c)) { \ if (debug_locks_off() && !debug_locks_silent) \ - WARN_ON(1); \ + WARN(1, "DEBUG_LOCKS_WARN_ON(%s)", #c); \ __ret = 1; \ } \ __ret; \ @@ -51,7 +51,7 @@ struct task_struct; extern void debug_show_all_locks(void); extern void debug_show_held_locks(struct task_struct *task); extern void debug_check_no_locks_freed(const void *from, unsigned long len); -extern void debug_check_no_locks_held(void); +extern void debug_check_no_locks_held(struct task_struct *task); #else static inline void debug_show_all_locks(void) { @@ -67,7 +67,7 @@ debug_check_no_locks_freed(const void *from, unsigned long len) } static inline void -debug_check_no_locks_held(void) +debug_check_no_locks_held(struct task_struct *task) { } #endif diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index e83ef39b3be..fe8c4476f7e 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -213,7 +213,7 @@ struct devfreq_simple_ondemand_data { #endif #else /* !CONFIG_PM_DEVFREQ */ -static struct devfreq *devfreq_add_device(struct device *dev, +static inline struct devfreq *devfreq_add_device(struct device *dev, struct devfreq_dev_profile *profile, const char *governor_name, void *data) @@ -221,34 +221,34 @@ static struct devfreq *devfreq_add_device(struct device *dev, return NULL; } -static int devfreq_remove_device(struct devfreq *devfreq) +static inline int devfreq_remove_device(struct devfreq *devfreq) { return 0; } -static int devfreq_suspend_device(struct devfreq *devfreq) +static inline int devfreq_suspend_device(struct devfreq *devfreq) { return 0; } -static int devfreq_resume_device(struct devfreq *devfreq) +static inline int devfreq_resume_device(struct devfreq *devfreq) { return 0; } -static struct opp *devfreq_recommended_opp(struct device *dev, +static inline struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq, u32 flags) { - return -EINVAL; + return ERR_PTR(-EINVAL); } -static int devfreq_register_opp_notifier(struct device *dev, +static inline int devfreq_register_opp_notifier(struct device *dev, struct devfreq *devfreq) { return -EINVAL; } -static int devfreq_unregister_opp_notifier(struct device *dev, +static inline int devfreq_unregister_opp_notifier(struct device *dev, struct devfreq *devfreq) { return -EINVAL; diff --git a/include/linux/device.h b/include/linux/device.h index 9d6464ea99c..711793b145f 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -25,6 +25,7 @@ #include <linux/pm.h> #include <linux/atomic.h> #include <linux/ratelimit.h> +#include <linux/uidgid.h> #include <asm/device.h> struct device; @@ -111,17 +112,11 @@ struct bus_type { struct iommu_ops *iommu_ops; struct subsys_private *p; + struct lock_class_key lock_key; }; -/* This is a #define to keep the compiler from merging different - * instances of the __key variable */ -#define bus_register(subsys) \ -({ \ - static struct lock_class_key __key; \ - __bus_register(subsys, &__key); \ -}) -extern int __must_check __bus_register(struct bus_type *bus, - struct lock_class_key *key); +extern int __must_check bus_register(struct bus_type *bus); + extern void bus_unregister(struct bus_type *bus); extern int __must_check bus_rescan_devices(struct bus_type *bus); @@ -302,6 +297,8 @@ void subsys_interface_unregister(struct subsys_interface *sif); int subsys_system_register(struct bus_type *subsys, const struct attribute_group **groups); +int subsys_virtual_register(struct bus_type *subsys, + const struct attribute_group **groups); /** * struct class - device classes @@ -471,7 +468,8 @@ struct device_type { const char *name; const struct attribute_group **groups; int (*uevent)(struct device *dev, struct kobj_uevent_env *env); - char *(*devnode)(struct device *dev, umode_t *mode); + char *(*devnode)(struct device *dev, umode_t *mode, + kuid_t *uid, kgid_t *gid); void (*release)(struct device *dev); const struct dev_pm_ops *pm; @@ -849,7 +847,8 @@ extern int device_rename(struct device *dev, const char *new_name); extern int device_move(struct device *dev, struct device *new_parent, enum dpm_order dpm_order); extern const char *device_get_devnode(struct device *dev, - umode_t *mode, const char **tmp); + umode_t *mode, kuid_t *uid, kgid_t *gid, + const char **tmp); extern void *dev_get_drvdata(const struct device *dev); extern int dev_set_drvdata(struct device *dev, void *data); diff --git a/include/linux/ecryptfs.h b/include/linux/ecryptfs.h index 2224a8c0cb6..8d5ab998a22 100644 --- a/include/linux/ecryptfs.h +++ b/include/linux/ecryptfs.h @@ -6,9 +6,8 @@ #define ECRYPTFS_VERSION_MINOR 0x04 #define ECRYPTFS_SUPPORTED_FILE_VERSION 0x03 /* These flags indicate which features are supported by the kernel - * module; userspace tools such as the mount helper read - * ECRYPTFS_VERSIONING_MASK from a sysfs handle in order to determine - * how to behave. */ + * module; userspace tools such as the mount helper read the feature + * bits from a sysfs handle in order to determine how to behave. */ #define ECRYPTFS_VERSIONING_PASSPHRASE 0x00000001 #define ECRYPTFS_VERSIONING_PUBKEY 0x00000002 #define ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH 0x00000004 @@ -19,13 +18,6 @@ #define ECRYPTFS_VERSIONING_HMAC 0x00000080 #define ECRYPTFS_VERSIONING_FILENAME_ENCRYPTION 0x00000100 #define ECRYPTFS_VERSIONING_GCM 0x00000200 -#define ECRYPTFS_VERSIONING_MASK (ECRYPTFS_VERSIONING_PASSPHRASE \ - | ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH \ - | ECRYPTFS_VERSIONING_PUBKEY \ - | ECRYPTFS_VERSIONING_XATTR \ - | ECRYPTFS_VERSIONING_MULTKEY \ - | ECRYPTFS_VERSIONING_DEVMISC \ - | ECRYPTFS_VERSIONING_FILENAME_ENCRYPTION) #define ECRYPTFS_MAX_PASSWORD_LENGTH 64 #define ECRYPTFS_MAX_PASSPHRASE_BYTES ECRYPTFS_MAX_PASSWORD_LENGTH #define ECRYPTFS_SALT_SIZE 8 diff --git a/include/linux/edac.h b/include/linux/edac.h index 4fd4999ccb5..0b763276f61 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -561,7 +561,6 @@ struct csrow_info { u32 ue_count; /* Uncorrectable Errors for this csrow */ u32 ce_count; /* Correctable Errors for this csrow */ - u32 nr_pages; /* combined pages count of all channels */ struct mem_ctl_info *mci; /* the parent */ @@ -676,11 +675,11 @@ struct mem_ctl_info { * sees memory sticks ("dimms"), and the ones that sees memory ranks. * All old memory controllers enumerate memories per rank, but most * of the recent drivers enumerate memories per DIMM, instead. - * When the memory controller is per rank, mem_is_per_rank is true. + * When the memory controller is per rank, csbased is true. */ unsigned n_layers; struct edac_mc_layer *layers; - bool mem_is_per_rank; + bool csbased; /* * DIMM info. Will eventually remove the entire csrows_info some day @@ -741,8 +740,6 @@ struct mem_ctl_info { u32 fake_inject_ue; u16 fake_inject_count; #endif - __u8 csbased : 1, /* csrow-based memory controller */ - __resv : 7; }; #endif diff --git a/include/linux/efi.h b/include/linux/efi.h index 9bf2f1fcae2..3d7df3d32c6 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -333,6 +333,7 @@ typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules, unsigned long count, u64 *max_size, int *reset_type); +typedef efi_status_t efi_query_variable_store_t(u32 attributes, unsigned long size); /* * EFI Configuration Table and GUID definitions @@ -575,9 +576,15 @@ extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if pos #ifdef CONFIG_X86 extern void efi_late_init(void); extern void efi_free_boot_services(void); +extern efi_status_t efi_query_variable_store(u32 attributes, unsigned long size); #else static inline void efi_late_init(void) {} static inline void efi_free_boot_services(void) {} + +static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size) +{ + return EFI_SUCCESS; +} #endif extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr); extern u64 efi_get_iobase (void); @@ -731,7 +738,7 @@ struct efivar_operations { efi_get_variable_t *get_variable; efi_get_next_variable_t *get_next_variable; efi_set_variable_t *set_variable; - efi_query_variable_info_t *query_variable_info; + efi_query_variable_store_t *query_variable_store; }; struct efivars { diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index 5b9b5b31718..41b223a59a6 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -85,6 +85,17 @@ enum fid_type { FILEID_NILFS_WITH_PARENT = 0x62, /* + * 32 bit generation number, 40 bit i_pos. + */ + FILEID_FAT_WITHOUT_PARENT = 0x71, + + /* + * 32 bit generation number, 40 bit i_pos, + * 32 bit parent generation number, 40 bit parent i_pos + */ + FILEID_FAT_WITH_PARENT = 0x72, + + /* * Filesystems must not use 0xff file ID. */ FILEID_INVALID = 0xff, diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 043a5cf8b5b..e70df40d84f 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -3,7 +3,6 @@ #ifndef FREEZER_H_INCLUDED #define FREEZER_H_INCLUDED -#include <linux/debug_locks.h> #include <linux/sched.h> #include <linux/wait.h> #include <linux/atomic.h> @@ -49,8 +48,6 @@ extern void thaw_kernel_threads(void); static inline bool try_to_freeze(void) { - if (!(current->flags & PF_NOFREEZE)) - debug_check_no_locks_held(); might_sleep(); if (likely(!freezing(current))) return false; diff --git a/include/linux/fs.h b/include/linux/fs.h index 74a907b8b95..2c28271ab9d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1825,6 +1825,8 @@ struct file_system_type { struct lock_class_key i_mutex_dir_key; }; +#define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME) + extern struct dentry *mount_ns(struct file_system_type *fs_type, int flags, void *data, int (*fill_super)(struct super_block *, void *, int)); extern struct dentry *mount_bdev(struct file_system_type *fs_type, diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h index 729eded4b24..2b93a9a5a1e 100644 --- a/include/linux/fs_struct.h +++ b/include/linux/fs_struct.h @@ -50,4 +50,6 @@ static inline void get_fs_root_and_pwd(struct fs_struct *fs, struct path *root, spin_unlock(&fs->lock); } +extern bool current_chrooted(void); + #endif /* _LINUX_FS_STRUCT_H */ diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index d5b0910d496..4b2ee8d12f5 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -157,7 +157,6 @@ struct fsnotify_group { struct inotify_group_private_data { spinlock_t idr_lock; struct idr idr; - u32 last_wd; struct user_struct *user; } inotify_data; #endif diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index e5ca8ef50e9..f83e17a40e8 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -89,6 +89,7 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip, * that the call back has its own recursion protection. If it does * not set this, then the ftrace infrastructure will add recursion * protection for the caller. + * STUB - The ftrace_ops is just a place holder. */ enum { FTRACE_OPS_FL_ENABLED = 1 << 0, @@ -98,6 +99,7 @@ enum { FTRACE_OPS_FL_SAVE_REGS = 1 << 4, FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED = 1 << 5, FTRACE_OPS_FL_RECURSION_SAFE = 1 << 6, + FTRACE_OPS_FL_STUB = 1 << 7, }; struct ftrace_ops { @@ -259,8 +261,10 @@ struct ftrace_probe_ops { void (*func)(unsigned long ip, unsigned long parent_ip, void **data); - int (*callback)(unsigned long ip, void **data); - void (*free)(void **data); + int (*init)(struct ftrace_probe_ops *ops, + unsigned long ip, void **data); + void (*free)(struct ftrace_probe_ops *ops, + unsigned long ip, void **data); int (*print)(struct seq_file *m, unsigned long ip, struct ftrace_probe_ops *ops, @@ -394,7 +398,6 @@ ssize_t ftrace_filter_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos); ssize_t ftrace_notrace_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos); -loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int whence); int ftrace_regex_release(struct inode *inode, struct file *file); void __init @@ -567,6 +570,8 @@ static inline int ftrace_regex_release(struct inode *inode, struct file *file) { return -ENODEV; } #endif /* CONFIG_DYNAMIC_FTRACE */ +loff_t ftrace_filter_lseek(struct file *file, loff_t offset, int whence); + /* totally disable ftrace - can not re-enable after this */ void ftrace_kill(void); diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 13a54d0bdfa..34e00fb49be 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -8,6 +8,7 @@ #include <linux/perf_event.h> struct trace_array; +struct trace_buffer; struct tracer; struct dentry; @@ -38,6 +39,12 @@ const char *ftrace_print_symbols_seq_u64(struct trace_seq *p, const char *ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int len); +struct trace_iterator; +struct trace_event; + +int ftrace_raw_output_prep(struct trace_iterator *iter, + struct trace_event *event); + /* * The trace entry - the most basic unit of tracing. This is what * is printed in the end as a single line in the trace output, such as: @@ -61,6 +68,7 @@ struct trace_entry { struct trace_iterator { struct trace_array *tr; struct tracer *trace; + struct trace_buffer *trace_buffer; void *private; int cpu_file; struct mutex mutex; @@ -95,8 +103,6 @@ enum trace_iter_flags { }; -struct trace_event; - typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter, int flags, struct trace_event *event); @@ -128,6 +134,13 @@ enum print_line_t { void tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags, int pc); +struct ftrace_event_file; + +struct ring_buffer_event * +trace_event_buffer_lock_reserve(struct ring_buffer **current_buffer, + struct ftrace_event_file *ftrace_file, + int type, unsigned long len, + unsigned long flags, int pc); struct ring_buffer_event * trace_current_buffer_lock_reserve(struct ring_buffer **current_buffer, int type, unsigned long len, @@ -182,53 +195,49 @@ extern int ftrace_event_reg(struct ftrace_event_call *event, enum trace_reg type, void *data); enum { - TRACE_EVENT_FL_ENABLED_BIT, TRACE_EVENT_FL_FILTERED_BIT, - TRACE_EVENT_FL_RECORDED_CMD_BIT, TRACE_EVENT_FL_CAP_ANY_BIT, TRACE_EVENT_FL_NO_SET_FILTER_BIT, TRACE_EVENT_FL_IGNORE_ENABLE_BIT, + TRACE_EVENT_FL_WAS_ENABLED_BIT, }; +/* + * Event flags: + * FILTERED - The event has a filter attached + * CAP_ANY - Any user can enable for perf + * NO_SET_FILTER - Set when filter has error and is to be ignored + * IGNORE_ENABLE - For ftrace internal events, do not enable with debugfs file + * WAS_ENABLED - Set and stays set when an event was ever enabled + * (used for module unloading, if a module event is enabled, + * it is best to clear the buffers that used it). + */ enum { - TRACE_EVENT_FL_ENABLED = (1 << TRACE_EVENT_FL_ENABLED_BIT), TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), - TRACE_EVENT_FL_RECORDED_CMD = (1 << TRACE_EVENT_FL_RECORDED_CMD_BIT), TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT), TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT), + TRACE_EVENT_FL_WAS_ENABLED = (1 << TRACE_EVENT_FL_WAS_ENABLED_BIT), }; struct ftrace_event_call { struct list_head list; struct ftrace_event_class *class; char *name; - struct dentry *dir; struct trace_event event; const char *print_fmt; struct event_filter *filter; + struct list_head *files; void *mod; void *data; - /* - * 32 bit flags: - * bit 1: enabled - * bit 2: filter_active - * bit 3: enabled cmd record - * bit 4: allow trace by non root (cap any) - * bit 5: failed to apply filter - * bit 6: ftrace internal event (do not enable) - * - * Changes to flags must hold the event_mutex. - * - * Note: Reads of flags do not hold the event_mutex since - * they occur in critical sections. But the way flags - * is currently used, these changes do no affect the code - * except that when a change is made, it may have a slight - * delay in propagating the changes to other CPUs due to - * caching and such. + * bit 0: filter_active + * bit 1: allow trace by non root (cap any) + * bit 2: failed to apply filter + * bit 3: ftrace internal event (do not enable) + * bit 4: Event was enabled by module */ - unsigned int flags; + int flags; /* static flags of different events */ #ifdef CONFIG_PERF_EVENTS int perf_refcount; @@ -236,6 +245,56 @@ struct ftrace_event_call { #endif }; +struct trace_array; +struct ftrace_subsystem_dir; + +enum { + FTRACE_EVENT_FL_ENABLED_BIT, + FTRACE_EVENT_FL_RECORDED_CMD_BIT, + FTRACE_EVENT_FL_SOFT_MODE_BIT, + FTRACE_EVENT_FL_SOFT_DISABLED_BIT, +}; + +/* + * Ftrace event file flags: + * ENABLED - The event is enabled + * RECORDED_CMD - The comms should be recorded at sched_switch + * SOFT_MODE - The event is enabled/disabled by SOFT_DISABLED + * SOFT_DISABLED - When set, do not trace the event (even though its + * tracepoint may be enabled) + */ +enum { + FTRACE_EVENT_FL_ENABLED = (1 << FTRACE_EVENT_FL_ENABLED_BIT), + FTRACE_EVENT_FL_RECORDED_CMD = (1 << FTRACE_EVENT_FL_RECORDED_CMD_BIT), + FTRACE_EVENT_FL_SOFT_MODE = (1 << FTRACE_EVENT_FL_SOFT_MODE_BIT), + FTRACE_EVENT_FL_SOFT_DISABLED = (1 << FTRACE_EVENT_FL_SOFT_DISABLED_BIT), +}; + +struct ftrace_event_file { + struct list_head list; + struct ftrace_event_call *event_call; + struct dentry *dir; + struct trace_array *tr; + struct ftrace_subsystem_dir *system; + + /* + * 32 bit flags: + * bit 0: enabled + * bit 1: enabled cmd record + * bit 2: enable/disable with the soft disable bit + * bit 3: soft disabled + * + * Note: The bits must be set atomically to prevent races + * from other writers. Reads of flags do not need to be in + * sync as they occur in critical sections. But the way flags + * is currently used, these changes do not affect the code + * except that when a change is made, it may have a slight + * delay in propagating the changes to other CPUs due to + * caching and such. Which is mostly OK ;-) + */ + unsigned long flags; +}; + #define __TRACE_EVENT_FLAGS(name, value) \ static int __init trace_init_flags_##name(void) \ { \ @@ -274,7 +333,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type, extern int trace_add_event_call(struct ftrace_event_call *call); extern void trace_remove_event_call(struct ftrace_event_call *call); -#define is_signed_type(type) (((type)(-1)) < (type)0) +#define is_signed_type(type) (((type)(-1)) < (type)1) int trace_set_clr_event(const char *system, const char *event, int set); diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h index dd7c569aaca..661d374aeb2 100644 --- a/include/linux/genalloc.h +++ b/include/linux/genalloc.h @@ -29,6 +29,10 @@ #ifndef __GENALLOC_H__ #define __GENALLOC_H__ + +struct device; +struct device_node; + /** * Allocation callback function type definition * @map: Pointer to bitmap @@ -105,4 +109,18 @@ extern unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size, extern unsigned long gen_pool_best_fit(unsigned long *map, unsigned long size, unsigned long start, unsigned int nr, void *data); +extern struct gen_pool *devm_gen_pool_create(struct device *dev, + int min_alloc_order, int nid); +extern struct gen_pool *dev_get_gen_pool(struct device *dev); + +#ifdef CONFIG_OF +extern struct gen_pool *of_get_named_gen_pool(struct device_node *np, + const char *propname, int index); +#else +static inline struct gen_pool *of_get_named_gen_pool(struct device_node *np, + const char *propname, int index) +{ + return NULL; +} +#endif #endif /* __GENALLOC_H__ */ diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 29eb805ea4a..c1d6555d256 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -118,10 +118,8 @@ #ifdef CONFIG_PREEMPT_COUNT # define preemptible() (preempt_count() == 0 && !irqs_disabled()) -# define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1) #else # define preemptible() 0 -# define IRQ_EXIT_OFFSET HARDIRQ_OFFSET #endif #if defined(CONFIG_SMP) || defined(CONFIG_GENERIC_HARDIRQS) diff --git a/include/linux/hash.h b/include/linux/hash.h index 61c97ae22e0..f09a0ae4d85 100644 --- a/include/linux/hash.h +++ b/include/linux/hash.h @@ -15,6 +15,7 @@ */ #include <asm/types.h> +#include <linux/compiler.h> /* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */ #define GOLDEN_RATIO_PRIME_32 0x9e370001UL @@ -31,7 +32,7 @@ #error Wordsize not 32 or 64 #endif -static inline u64 hash_64(u64 val, unsigned int bits) +static __always_inline u64 hash_64(u64 val, unsigned int bits) { u64 hash = val; diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index ee1c244a62a..528454c2caa 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -99,7 +99,11 @@ extern int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, extern int handle_pte_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, unsigned int flags); -extern int split_huge_page(struct page *page); +extern int split_huge_page_to_list(struct page *page, struct list_head *list); +static inline int split_huge_page(struct page *page) +{ + return split_huge_page_to_list(page, NULL); +} extern void __split_huge_page_pmd(struct vm_area_struct *vma, unsigned long address, pmd_t *pmd); #define split_huge_page_pmd(__vma, __address, __pmd) \ @@ -186,6 +190,11 @@ extern int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vm #define transparent_hugepage_enabled(__vma) 0 #define transparent_hugepage_flags 0UL +static inline int +split_huge_page_to_list(struct page *page, struct list_head *list) +{ + return 0; +} static inline int split_huge_page(struct page *page) { return 0; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 16e4e9a643f..3a62df310f2 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -58,6 +58,7 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, int hugetlb_prefault(struct address_space *, struct vm_area_struct *); void hugetlb_report_meminfo(struct seq_file *); int hugetlb_report_node_meminfo(int, char *); +void hugetlb_show_meminfo(void); unsigned long hugetlb_total_pages(void); int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, unsigned int flags); @@ -114,6 +115,9 @@ static inline void hugetlb_report_meminfo(struct seq_file *m) { } #define hugetlb_report_node_meminfo(n, buf) 0 +static inline void hugetlb_show_meminfo(void) +{ +} #define follow_huge_pmd(mm, addr, pmd, write) NULL #define follow_huge_pud(mm, addr, pud, write) NULL #define prepare_hugepage_range(file, addr, len) (-EINVAL) diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index df77ba9a816..c2559847d7e 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -27,6 +27,63 @@ #include <linux/types.h> + +/* + * Implementation of host controlled snapshot of the guest. + */ + +#define VSS_OP_REGISTER 128 + +enum hv_vss_op { + VSS_OP_CREATE = 0, + VSS_OP_DELETE, + VSS_OP_HOT_BACKUP, + VSS_OP_GET_DM_INFO, + VSS_OP_BU_COMPLETE, + /* + * Following operations are only supported with IC version >= 5.0 + */ + VSS_OP_FREEZE, /* Freeze the file systems in the VM */ + VSS_OP_THAW, /* Unfreeze the file systems */ + VSS_OP_AUTO_RECOVER, + VSS_OP_COUNT /* Number of operations, must be last */ +}; + + +/* + * Header for all VSS messages. + */ +struct hv_vss_hdr { + __u8 operation; + __u8 reserved[7]; +} __attribute__((packed)); + + +/* + * Flag values for the hv_vss_check_feature. Linux supports only + * one value. + */ +#define VSS_HBU_NO_AUTO_RECOVERY 0x00000005 + +struct hv_vss_check_feature { + __u32 flags; +} __attribute__((packed)); + +struct hv_vss_check_dm_info { + __u32 flags; +} __attribute__((packed)); + +struct hv_vss_msg { + union { + struct hv_vss_hdr vss_hdr; + int error; + }; + union { + struct hv_vss_check_feature vss_cf; + struct hv_vss_check_dm_info dm_info; + }; +} __attribute__((packed)); + /* * An implementation of HyperV key value pair (KVP) functionality for Linux. * @@ -1253,6 +1310,25 @@ void vmbus_driver_unregister(struct hv_driver *hv_driver); } /* + * VSS (Backup/Restore) GUID + */ +#define HV_VSS_GUID \ + .guid = { \ + 0x29, 0x2e, 0xfa, 0x35, 0x23, 0xea, 0x36, 0x42, \ + 0x96, 0xae, 0x3a, 0x6e, 0xba, 0xcb, 0xa4, 0x40 \ + } +/* + * Synthetic Video GUID + * {DA0A7802-E377-4aac-8E77-0558EB1073F8} + */ +#define HV_SYNTHVID_GUID \ + .guid = { \ + 0x02, 0x78, 0x0a, 0xda, 0x77, 0xe3, 0xac, 0x4a, \ + 0x8e, 0x77, 0x05, 0x58, 0xeb, 0x10, 0x73, 0xf8 \ + } + + +/* * Common header for Hyper-V ICs */ @@ -1356,6 +1432,10 @@ int hv_kvp_init(struct hv_util_service *); void hv_kvp_deinit(void); void hv_kvp_onchannelcallback(void *); +int hv_vss_init(struct hv_util_service *); +void hv_vss_deinit(void); +void hv_vss_onchannelcallback(void *); + /* * Negotiated version with the Host. */ diff --git a/include/linux/i2c/atmel_mxt_ts.h b/include/linux/i2c/atmel_mxt_ts.h index f027f7a6351..99e379b7439 100644 --- a/include/linux/i2c/atmel_mxt_ts.h +++ b/include/linux/i2c/atmel_mxt_ts.h @@ -15,6 +15,9 @@ #include <linux/types.h> +/* For key_map array */ +#define MXT_NUM_GPIO 4 + /* Orient */ #define MXT_NORMAL 0x0 #define MXT_DIAGONAL 0x1 @@ -39,6 +42,8 @@ struct mxt_platform_data { unsigned int voltage; unsigned char orient; unsigned long irqflags; + bool is_tp; + const unsigned int key_map[MXT_NUM_GPIO]; }; #endif /* __LINUX_ATMEL_MXT_TS_H */ diff --git a/include/linux/idr.h b/include/linux/idr.h index a6f38b5c34e..a470ac3ef49 100644 --- a/include/linux/idr.h +++ b/include/linux/idr.h @@ -42,6 +42,7 @@ struct idr { struct idr_layer *id_free; int layers; /* only valid w/o concurrent changes */ int id_free_cnt; + int cur; /* current pos for cyclic allocation */ spinlock_t lock; }; @@ -73,10 +74,9 @@ struct idr { */ void *idr_find_slowpath(struct idr *idp, int id); -int idr_pre_get(struct idr *idp, gfp_t gfp_mask); -int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id); void idr_preload(gfp_t gfp_mask); int idr_alloc(struct idr *idp, void *ptr, int start, int end, gfp_t gfp_mask); +int idr_alloc_cyclic(struct idr *idr, void *ptr, int start, int end, gfp_t gfp_mask); int idr_for_each(struct idr *idp, int (*fn)(int id, void *p, void *data), void *data); void *idr_get_next(struct idr *idp, int *nextid); @@ -99,7 +99,7 @@ static inline void idr_preload_end(void) /** * idr_find - return pointer for given id - * @idp: idr handle + * @idr: idr handle * @id: lookup key * * Return the pointer given the id it has been registered with. A %NULL @@ -120,19 +120,6 @@ static inline void *idr_find(struct idr *idr, int id) } /** - * idr_get_new - allocate new idr entry - * @idp: idr handle - * @ptr: pointer you want associated with the id - * @id: pointer to the allocated handle - * - * Simple wrapper around idr_get_new_above() w/ @starting_id of zero. - */ -static inline int idr_get_new(struct idr *idp, void *ptr, int *id) -{ - return idr_get_new_above(idp, ptr, 0, id); -} - -/** * idr_for_each_entry - iterate over an idr's elements of a given type * @idp: idr handle * @entry: the type * to use as cursor @@ -143,7 +130,56 @@ static inline int idr_get_new(struct idr *idp, void *ptr, int *id) entry != NULL; \ ++id, entry = (typeof(entry))idr_get_next((idp), &(id))) -void __idr_remove_all(struct idr *idp); /* don't use */ +/* + * Don't use the following functions. These exist only to suppress + * deprecated warnings on EXPORT_SYMBOL()s. + */ +int __idr_pre_get(struct idr *idp, gfp_t gfp_mask); +int __idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id); +void __idr_remove_all(struct idr *idp); + +/** + * idr_pre_get - reserve resources for idr allocation + * @idp: idr handle + * @gfp_mask: memory allocation flags + * + * Part of old alloc interface. This is going away. Use + * idr_preload[_end]() and idr_alloc() instead. + */ +static inline int __deprecated idr_pre_get(struct idr *idp, gfp_t gfp_mask) +{ + return __idr_pre_get(idp, gfp_mask); +} + +/** + * idr_get_new_above - allocate new idr entry above or equal to a start id + * @idp: idr handle + * @ptr: pointer you want associated with the id + * @starting_id: id to start search at + * @id: pointer to the allocated handle + * + * Part of old alloc interface. This is going away. Use + * idr_preload[_end]() and idr_alloc() instead. + */ +static inline int __deprecated idr_get_new_above(struct idr *idp, void *ptr, + int starting_id, int *id) +{ + return __idr_get_new_above(idp, ptr, starting_id, id); +} + +/** + * idr_get_new - allocate new idr entry + * @idp: idr handle + * @ptr: pointer you want associated with the id + * @id: pointer to the allocated handle + * + * Part of old alloc interface. This is going away. Use + * idr_preload[_end]() and idr_alloc() instead. + */ +static inline int __deprecated idr_get_new(struct idr *idp, void *ptr, int *id) +{ + return __idr_get_new_above(idp, ptr, 0, id); +} /** * idr_remove_all - remove all ids from the given idr tree diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h index 2e4eab9868a..e7fdec4db9d 100644 --- a/include/linux/iio/adc/ad_sigma_delta.h +++ b/include/linux/iio/adc/ad_sigma_delta.h @@ -133,9 +133,9 @@ int ad_sd_validate_trigger(struct iio_dev *indio_dev, struct iio_trigger *trig); .channel2 = (_channel2), \ .address = (_address), \ .extend_name = (_extend_name), \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_OFFSET), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .scan_index = (_si), \ .scan_type = { \ .sign = 'u', \ diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index 1f86a97ab2e..172c5b23cb8 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -15,6 +15,7 @@ #include <linux/spi/spi.h> #include <linux/irqreturn.h> #include <linux/iio/trigger.h> +#include <linux/bitops.h> #define ST_SENSORS_TX_MAX_LENGTH 2 #define ST_SENSORS_RX_MAX_LENGTH 6 @@ -45,8 +46,8 @@ { \ .type = device_type, \ .modified = 1, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .scan_index = index, \ .channel2 = mod, \ .address = addr, \ @@ -227,14 +228,17 @@ struct st_sensor_data { }; #ifdef CONFIG_IIO_BUFFER +irqreturn_t st_sensors_trigger_handler(int irq, void *p); + +int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf); +#endif + +#ifdef CONFIG_IIO_TRIGGER int st_sensors_allocate_trigger(struct iio_dev *indio_dev, const struct iio_trigger_ops *trigger_ops); void st_sensors_deallocate_trigger(struct iio_dev *indio_dev); -irqreturn_t st_sensors_trigger_handler(int irq, void *p); - -int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf); #else static inline int st_sensors_allocate_trigger(struct iio_dev *indio_dev, const struct iio_trigger_ops *trigger_ops) diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index da8c776ba0b..8d171f42763 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -38,76 +38,6 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_HYSTERESIS, }; -#define IIO_CHAN_INFO_SHARED_BIT(type) BIT(type*2) -#define IIO_CHAN_INFO_SEPARATE_BIT(type) BIT(type*2 + 1) -#define IIO_CHAN_INFO_BITS(type) (IIO_CHAN_INFO_SHARED_BIT(type) | \ - IIO_CHAN_INFO_SEPARATE_BIT(type)) - -#define IIO_CHAN_INFO_RAW_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_RAW) -#define IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PROCESSED) -#define IIO_CHAN_INFO_SCALE_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_SCALE) -#define IIO_CHAN_INFO_SCALE_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_SCALE) -#define IIO_CHAN_INFO_OFFSET_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_OFFSET) -#define IIO_CHAN_INFO_OFFSET_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_OFFSET) -#define IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_CALIBSCALE) -#define IIO_CHAN_INFO_CALIBSCALE_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_CALIBSCALE) -#define IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_CALIBBIAS) -#define IIO_CHAN_INFO_CALIBBIAS_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_CALIBBIAS) -#define IIO_CHAN_INFO_PEAK_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PEAK) -#define IIO_CHAN_INFO_PEAK_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_PEAK) -#define IIO_CHAN_INFO_PEAKSCALE_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PEAKSCALE) -#define IIO_CHAN_INFO_PEAKSCALE_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_PEAKSCALE) -#define IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT( \ - IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW) -#define IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT( \ - IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW) -#define IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_AVERAGE_RAW) -#define IIO_CHAN_INFO_AVERAGE_RAW_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_AVERAGE_RAW) -#define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT( \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) -#define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT( \ - IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) -#define IIO_CHAN_INFO_SAMP_FREQ_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_SAMP_FREQ) -#define IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_SAMP_FREQ) -#define IIO_CHAN_INFO_FREQUENCY_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_FREQUENCY) -#define IIO_CHAN_INFO_FREQUENCY_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_FREQUENCY) -#define IIO_CHAN_INFO_PHASE_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PHASE) -#define IIO_CHAN_INFO_PHASE_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_PHASE) -#define IIO_CHAN_INFO_HARDWAREGAIN_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_HARDWAREGAIN) -#define IIO_CHAN_INFO_HARDWAREGAIN_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_HARDWAREGAIN) -#define IIO_CHAN_INFO_HYSTERESIS_SEPARATE_BIT \ - IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_HYSTERESIS) -#define IIO_CHAN_INFO_HYSTERESIS_SHARED_BIT \ - IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_HYSTERESIS) - enum iio_endian { IIO_CPU, IIO_BE, @@ -218,6 +148,10 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev, * endianness: little or big endian * @info_mask: What information is to be exported about this channel. * This includes calibbias, scale etc. + * @info_mask_separate: What information is to be exported that is specific to + * this channel. + * @info_mask_shared_by_type: What information is to be exported that is shared +* by all channels of the same type. * @event_mask: What events can this channel produce. * @ext_info: Array of extended info attributes for this channel. * The array is NULL terminated, the last element should @@ -253,6 +187,8 @@ struct iio_chan_spec { enum iio_endian endianness; } scan_type; long info_mask; + long info_mask_separate; + long info_mask_shared_by_type; long event_mask; const struct iio_chan_spec_ext_info *ext_info; const char *extend_name; @@ -275,7 +211,8 @@ struct iio_chan_spec { static inline bool iio_channel_has_info(const struct iio_chan_spec *chan, enum iio_chan_info_enum type) { - return chan->info_mask & IIO_CHAN_INFO_BITS(type); + return (chan->info_mask_separate & type) | + (chan->info_mask_shared_by_type & type); } #define IIO_ST(si, rb, sb, sh) \ diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index ff781dca2e9..b665dc7f017 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -162,8 +162,8 @@ int adis_single_conversion(struct iio_dev *indio_dev, .indexed = 1, \ .channel = (chan), \ .extend_name = name, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE), \ .address = (addr), \ .scan_index = (si), \ .scan_type = { \ @@ -184,9 +184,9 @@ int adis_single_conversion(struct iio_dev *indio_dev, .type = IIO_TEMP, \ .indexed = 1, \ .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_OFFSET), \ .address = (addr), \ .scan_index = (si), \ .scan_type = { \ @@ -197,13 +197,13 @@ int adis_single_conversion(struct iio_dev *indio_dev, }, \ } -#define ADIS_MOD_CHAN(_type, mod, addr, si, info, bits) { \ +#define ADIS_MOD_CHAN(_type, mod, addr, si, info_sep, bits) { \ .type = (_type), \ .modified = 1, \ .channel2 = IIO_MOD_ ## mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - info, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + info_sep, \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .address = (addr), \ .scan_index = (si), \ .scan_type = { \ @@ -214,17 +214,17 @@ int adis_single_conversion(struct iio_dev *indio_dev, }, \ } -#define ADIS_ACCEL_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_ACCEL, mod, addr, si, info, bits) +#define ADIS_ACCEL_CHAN(mod, addr, si, info_sep, bits) \ + ADIS_MOD_CHAN(IIO_ACCEL, mod, addr, si, info_sep, bits) -#define ADIS_GYRO_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_ANGL_VEL, mod, addr, si, info, bits) +#define ADIS_GYRO_CHAN(mod, addr, si, info_sep, bits) \ + ADIS_MOD_CHAN(IIO_ANGL_VEL, mod, addr, si, info_sep, bits) -#define ADIS_INCLI_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_INCLI, mod, addr, si, info, bits) +#define ADIS_INCLI_CHAN(mod, addr, si, info_sep, bits) \ + ADIS_MOD_CHAN(IIO_INCLI, mod, addr, si, info_sep, bits) -#define ADIS_ROT_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_ROT, mod, addr, si, info, bits) +#define ADIS_ROT_CHAN(mod, addr, si, info_sep, bits) \ + ADIS_MOD_CHAN(IIO_ROT, mod, addr, si, info_sep, bits) #ifdef CONFIG_IIO_ADIS_LIB_BUFFER diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h index c66e0a96f6e..3869c525b05 100644 --- a/include/linux/iio/trigger.h +++ b/include/linux/iio/trigger.h @@ -44,7 +44,6 @@ struct iio_trigger_ops { * @id: [INTERN] unique id number * @name: [DRIVER] unique name * @dev: [DRIVER] associated device (if relevant) - * @private_data: [DRIVER] device specific data * @list: [INTERN] used in maintenance of global trigger list * @alloc_list: [DRIVER] used for driver specific trigger list * @use_count: use count for the trigger @@ -60,7 +59,6 @@ struct iio_trigger { const char *name; struct device dev; - void *private_data; struct list_head list; struct list_head alloc_list; int use_count; @@ -92,6 +90,30 @@ static inline void iio_trigger_get(struct iio_trigger *trig) } /** + * iio_device_set_drvdata() - Set trigger driver data + * @trig: IIO trigger structure + * @data: Driver specific data + * + * Allows to attach an arbitrary pointer to an IIO trigger, which can later be + * retrieved by iio_trigger_get_drvdata(). + */ +static inline void iio_trigger_set_drvdata(struct iio_trigger *trig, void *data) +{ + dev_set_drvdata(&trig->dev, data); +} + +/** + * iio_trigger_get_drvdata() - Get trigger driver data + * @trig: IIO trigger structure + * + * Returns the data previously set with iio_trigger_set_drvdata() + */ +static inline void *iio_trigger_get_drvdata(struct iio_trigger *trig) +{ + return dev_get_drvdata(&trig->dev); +} + +/** * iio_trigger_register() - register a trigger with the IIO core * @trig_info: trigger to be registered **/ diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 85ac9b9b72a..89b7c24a36e 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -192,6 +192,10 @@ extern struct resource * __request_region(struct resource *, extern int __check_region(struct resource *, resource_size_t, resource_size_t); extern void __release_region(struct resource *, resource_size_t, resource_size_t); +#ifdef CONFIG_MEMORY_HOTREMOVE +extern int release_mem_region_adjustable(struct resource *, resource_size_t, + resource_size_t); +#endif static inline int __deprecated check_region(resource_size_t s, resource_size_t n) diff --git a/include/linux/ipack.h b/include/linux/ipack.h index fea12cbb2ae..1888e06ddf6 100644 --- a/include/linux/ipack.h +++ b/include/linux/ipack.h @@ -207,19 +207,41 @@ int ipack_driver_register(struct ipack_driver *edrv, struct module *owner, void ipack_driver_unregister(struct ipack_driver *edrv); /** - * ipack_device_register -- register an IPack device with the kernel - * @dev: the new device to register. + * ipack_device_init -- initialize an IPack device + * @dev: the new device to initialize. * - * Register a new IPack device ("module" in IndustryPack jargon). The call - * is done by the carrier driver. The carrier should populate the fields - * bus and slot as well as the region array of @dev prior to calling this - * function. The rest of the fields will be allocated and populated - * during registration. + * Initialize a new IPack device ("module" in IndustryPack jargon). The call + * is done by the carrier driver. The carrier should populate the fields + * bus and slot as well as the region array of @dev prior to calling this + * function. The rest of the fields will be allocated and populated + * during initalization. * - * Return zero on success or error code on failure. + * Return zero on success or error code on failure. + * + * NOTE: _Never_ directly free @dev after calling this function, even + * if it returned an error! Always use ipack_put_device() to give up the + * reference initialized in this function instead. + */ +int ipack_device_init(struct ipack_device *dev); + +/** + * ipack_device_add -- Add an IPack device + * @dev: the new device to add. + * + * Add a new IPack device. The call is done by the carrier driver + * after calling ipack_device_init(). + * + * Return zero on success or error code on failure. + * + * NOTE: _Never_ directly free @dev after calling this function, even + * if it returned an error! Always use ipack_put_device() to give up the + * reference initialized in this function instead. */ -int ipack_device_register(struct ipack_device *dev); -void ipack_device_unregister(struct ipack_device *dev); +int ipack_device_add(struct ipack_device *dev); +void ipack_device_del(struct ipack_device *dev); + +void ipack_get_device(struct ipack_device *dev); +void ipack_put_device(struct ipack_device *dev); /** * DEFINE_IPACK_DEVICE_TABLE - macro used to describe a IndustryPack table diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h index f5dbce50466..66017028dcb 100644 --- a/include/linux/irq_work.h +++ b/include/linux/irq_work.h @@ -37,7 +37,7 @@ void irq_work_sync(struct irq_work *work); #ifdef CONFIG_IRQ_WORK bool irq_work_needs_cpu(void); #else -static bool irq_work_needs_cpu(void) { return false; } +static inline bool irq_work_needs_cpu(void) { return false; } #endif #endif /* _LINUX_IRQ_WORK_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 80d36874689..2dac79c3919 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -390,7 +390,6 @@ extern struct pid *session_of_pgrp(struct pid *pgrp); unsigned long int_sqrt(unsigned long); extern void bust_spinlocks(int yes); -extern void wake_up_klogd(void); extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in progress */ extern int panic_timeout; extern int panic_on_oops; @@ -487,6 +486,8 @@ enum ftrace_dump_mode { void tracing_on(void); void tracing_off(void); int tracing_is_on(void); +void tracing_snapshot(void); +void tracing_snapshot_alloc(void); extern void tracing_start(void); extern void tracing_stop(void); @@ -516,10 +517,32 @@ do { \ * * This is intended as a debugging tool for the developer only. * Please refrain from leaving trace_printks scattered around in - * your code. + * your code. (Extra memory is used for special buffers that are + * allocated when trace_printk() is used) + * + * A little optization trick is done here. If there's only one + * argument, there's no need to scan the string for printf formats. + * The trace_puts() will suffice. But how can we take advantage of + * using trace_puts() when trace_printk() has only one argument? + * By stringifying the args and checking the size we can tell + * whether or not there are args. __stringify((__VA_ARGS__)) will + * turn into "()\0" with a size of 3 when there are no args, anything + * else will be bigger. All we need to do is define a string to this, + * and then take its size and compare to 3. If it's bigger, use + * do_trace_printk() otherwise, optimize it to trace_puts(). Then just + * let gcc optimize the rest. */ -#define trace_printk(fmt, args...) \ +#define trace_printk(fmt, ...) \ +do { \ + char _______STR[] = __stringify((__VA_ARGS__)); \ + if (sizeof(_______STR) > 3) \ + do_trace_printk(fmt, ##__VA_ARGS__); \ + else \ + trace_puts(fmt); \ +} while (0) + +#define do_trace_printk(fmt, args...) \ do { \ static const char *trace_printk_fmt \ __attribute__((section("__trace_printk_fmt"))) = \ @@ -539,7 +562,45 @@ int __trace_bprintk(unsigned long ip, const char *fmt, ...); extern __printf(2, 3) int __trace_printk(unsigned long ip, const char *fmt, ...); -extern void trace_dump_stack(void); +/** + * trace_puts - write a string into the ftrace buffer + * @str: the string to record + * + * Note: __trace_bputs is an internal function for trace_puts and + * the @ip is passed in via the trace_puts macro. + * + * This is similar to trace_printk() but is made for those really fast + * paths that a developer wants the least amount of "Heisenbug" affects, + * where the processing of the print format is still too much. + * + * This function allows a kernel developer to debug fast path sections + * that printk is not appropriate for. By scattering in various + * printk like tracing in the code, a developer can quickly see + * where problems are occurring. + * + * This is intended as a debugging tool for the developer only. + * Please refrain from leaving trace_puts scattered around in + * your code. (Extra memory is used for special buffers that are + * allocated when trace_puts() is used) + * + * Returns: 0 if nothing was written, positive # if string was. + * (1 when __trace_bputs is used, strlen(str) when __trace_puts is used) + */ + +extern int __trace_bputs(unsigned long ip, const char *str); +extern int __trace_puts(unsigned long ip, const char *str, int size); +#define trace_puts(str) ({ \ + static const char *trace_printk_fmt \ + __attribute__((section("__trace_printk_fmt"))) = \ + __builtin_constant_p(str) ? str : NULL; \ + \ + if (__builtin_constant_p(str)) \ + __trace_bputs(_THIS_IP_, trace_printk_fmt); \ + else \ + __trace_puts(_THIS_IP_, str, strlen(str)); \ +}) + +extern void trace_dump_stack(int skip); /* * The double __builtin_constant_p is because gcc will give us an error @@ -574,6 +635,8 @@ static inline void trace_dump_stack(void) { } static inline void tracing_on(void) { } static inline void tracing_off(void) { } static inline int tracing_is_on(void) { return 0; } +static inline void tracing_snapshot(void) { } +static inline void tracing_snapshot_alloc(void) { } static inline __printf(1, 2) int trace_printk(const char *fmt, ...) diff --git a/include/linux/kexec.h b/include/linux/kexec.h index d2e6927bbaa..d78d28a733b 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -200,6 +200,8 @@ extern size_t vmcoreinfo_max_size; int __init parse_crashkernel(char *cmdline, unsigned long long system_ram, unsigned long long *crash_size, unsigned long long *crash_base); +int parse_crashkernel_high(char *cmdline, unsigned long long system_ram, + unsigned long long *crash_size, unsigned long long *crash_base); int parse_crashkernel_low(char *cmdline, unsigned long long system_ram, unsigned long long *crash_size, unsigned long long *crash_base); int crash_shrink_memory(unsigned long new_size); diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 4b6ef4d33cc..ca1d27a0d6a 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -29,6 +29,7 @@ * <jkenisto@us.ibm.com> and Prasanna S Panchamukhi * <prasanna@in.ibm.com> added function-return probes. */ +#include <linux/compiler.h> /* for __kprobes */ #include <linux/linkage.h> #include <linux/list.h> #include <linux/notifier.h> @@ -49,16 +50,11 @@ #define KPROBE_REENTER 0x00000004 #define KPROBE_HIT_SSDONE 0x00000008 -/* Attach to insert probes on any functions which should be ignored*/ -#define __kprobes __attribute__((__section__(".kprobes.text"))) - #else /* CONFIG_KPROBES */ typedef int kprobe_opcode_t; struct arch_specific_insn { int dummy; }; -#define __kprobes - #endif /* CONFIG_KPROBES */ struct kprobe; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index cad77fe09d7..c1395825192 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -518,7 +518,7 @@ int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data, int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, void *data, unsigned long len); int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc, - gpa_t gpa); + gpa_t gpa, unsigned long len); int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len); struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h index fa7cc7244cb..b0bcce0ddc9 100644 --- a/include/linux/kvm_types.h +++ b/include/linux/kvm_types.h @@ -71,6 +71,7 @@ struct gfn_to_hva_cache { u64 generation; gpa_t gpa; unsigned long hva; + unsigned long len; struct kvm_memory_slot *memslot; }; diff --git a/include/linux/libata.h b/include/linux/libata.h index 91c9d109e5f..eae7a053dc5 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -398,6 +398,7 @@ enum { ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */ ATA_HORKAGE_BROKEN_FPDMA_AA = (1 << 15), /* skip AA */ ATA_HORKAGE_DUMP_ID = (1 << 16), /* dump IDENTIFY data */ + ATA_HORKAGE_MAX_SEC_LBA48 = (1 << 17), /* Set max sects to 65535 */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/list.h b/include/linux/list.h index d991cc147c9..6a1f8df9144 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -667,7 +667,9 @@ static inline void hlist_move_list(struct hlist_head *old, pos = n) #define hlist_entry_safe(ptr, type, member) \ - (ptr) ? hlist_entry(ptr, type, member) : NULL + ({ typeof(ptr) ____ptr = (ptr); \ + ____ptr ? hlist_entry(____ptr, type, member) : NULL; \ + }) /** * hlist_for_each_entry - iterate over list of given type diff --git a/include/linux/list_bl.h b/include/linux/list_bl.h index 31f9d75adc5..2eb88556c5c 100644 --- a/include/linux/list_bl.h +++ b/include/linux/list_bl.h @@ -125,6 +125,11 @@ static inline void hlist_bl_unlock(struct hlist_bl_head *b) __bit_spin_unlock(0, (unsigned long *)b); } +static inline bool hlist_bl_is_locked(struct hlist_bl_head *b) +{ + return bit_spin_is_locked(0, (unsigned long *)b); +} + /** * hlist_bl_for_each_entry - iterate over list of given type * @tpos: the type * to use as a loop cursor. diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h new file mode 100644 index 00000000000..d14af7b722e --- /dev/null +++ b/include/linux/mei_cl_bus.h @@ -0,0 +1,44 @@ +#ifndef _LINUX_MEI_CL_BUS_H +#define _LINUX_MEI_CL_BUS_H + +#include <linux/device.h> +#include <linux/uuid.h> + +struct mei_cl_device; + +struct mei_cl_driver { + struct device_driver driver; + const char *name; + + const struct mei_cl_device_id *id_table; + + int (*probe)(struct mei_cl_device *dev, + const struct mei_cl_device_id *id); + int (*remove)(struct mei_cl_device *dev); +}; + +int __mei_cl_driver_register(struct mei_cl_driver *driver, + struct module *owner); +#define mei_cl_driver_register(driver) \ + __mei_cl_driver_register(driver, THIS_MODULE) + +void mei_cl_driver_unregister(struct mei_cl_driver *driver); + +int mei_cl_send(struct mei_cl_device *device, u8 *buf, size_t length); +int mei_cl_recv(struct mei_cl_device *device, u8 *buf, size_t length); + +typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device, + u32 events, void *context); +int mei_cl_register_event_cb(struct mei_cl_device *device, + mei_cl_event_cb_t read_cb, void *context); + +#define MEI_CL_EVENT_RX 0 +#define MEI_CL_EVENT_TX 1 + +void *mei_cl_get_drvdata(const struct mei_cl_device *device); +void mei_cl_set_drvdata(struct mei_cl_device *device, void *data); + +int mei_cl_enable_device(struct mei_cl_device *device); +int mei_cl_disable_device(struct mei_cl_device *device); + +#endif /* _LINUX_MEI_CL_BUS_H */ diff --git a/include/linux/memory.h b/include/linux/memory.h index 45e93b46887..73817af8b48 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -18,6 +18,7 @@ #include <linux/node.h> #include <linux/compiler.h> #include <linux/mutex.h> +#include <linux/notifier.h> #define MIN_MEMORY_BLOCK_SIZE (1UL << SECTION_SIZE_BITS) @@ -114,9 +115,10 @@ extern void unregister_memory_notifier(struct notifier_block *nb); extern int register_memory_isolate_notifier(struct notifier_block *nb); extern void unregister_memory_isolate_notifier(struct notifier_block *nb); extern int register_new_memory(int, struct mem_section *); +#ifdef CONFIG_MEMORY_HOTREMOVE extern int unregister_memory_section(struct mem_section *); +#endif extern int memory_dev_init(void); -extern int remove_memory_block(unsigned long, struct mem_section *, int); extern int memory_notify(unsigned long val, void *v); extern int memory_isolate_notify(unsigned long val, void *v); extern struct memory_block *find_memory_block_hinted(struct mem_section *, @@ -127,13 +129,18 @@ enum mem_add_context { BOOT, HOTPLUG }; #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */ #ifdef CONFIG_MEMORY_HOTPLUG -#define hotplug_memory_notifier(fn, pri) { \ +#define hotplug_memory_notifier(fn, pri) ({ \ static __meminitdata struct notifier_block fn##_mem_nb =\ - { .notifier_call = fn, .priority = pri }; \ + { .notifier_call = fn, .priority = pri };\ register_memory_notifier(&fn##_mem_nb); \ -} +}) +#define register_hotmemory_notifier(nb) register_memory_notifier(nb) +#define unregister_hotmemory_notifier(nb) unregister_memory_notifier(nb) #else -#define hotplug_memory_notifier(fn, pri) do { } while (0) +#define hotplug_memory_notifier(fn, pri) (0) +/* These aren't inline functions due to a GCC bug. */ +#define register_hotmemory_notifier(nb) ({ (void)(nb); 0; }) +#define unregister_hotmemory_notifier(nb) ({ (void)(nb); }) #endif /* diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index b6a3be7d47b..3e622c61092 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -97,13 +97,13 @@ extern void __online_page_free(struct page *page); #ifdef CONFIG_MEMORY_HOTREMOVE extern bool is_pageblock_removable_nolock(struct page *page); extern int arch_remove_memory(u64 start, u64 size); +extern int __remove_pages(struct zone *zone, unsigned long start_pfn, + unsigned long nr_pages); #endif /* CONFIG_MEMORY_HOTREMOVE */ /* reasonably generic interface to expand the physical pages in a zone */ extern int __add_pages(int nid, struct zone *zone, unsigned long start_pfn, unsigned long nr_pages); -extern int __remove_pages(struct zone *zone, unsigned long start_pfn, - unsigned long nr_pages); #ifdef CONFIG_NUMA extern int memory_add_physaddr_to_nid(u64 start); diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h index 9db0bda446a..84f449475c2 100644 --- a/include/linux/mfd/abx500/ab8500.h +++ b/include/linux/mfd/abx500/ab8500.h @@ -364,8 +364,7 @@ struct ab8500 { const int *irq_reg_offset; }; -struct regulator_reg_init; -struct regulator_init_data; +struct ab8500_regulator_platform_data; struct ab8500_gpio_platform_data; struct ab8500_codec_platform_data; struct ab8500_sysctrl_platform_data; @@ -375,19 +374,13 @@ struct ab8500_sysctrl_platform_data; * @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used * @pm_power_off: Should machine pm power off hook be registered or not * @init: board-specific initialization after detection of ab8500 - * @num_regulator_reg_init: number of regulator init registers - * @regulator_reg_init: regulator init registers - * @num_regulator: number of regulators * @regulator: machine-specific constraints for regulators */ struct ab8500_platform_data { int irq_base; bool pm_power_off; void (*init) (struct ab8500 *); - int num_regulator_reg_init; - struct ab8500_regulator_reg_init *regulator_reg_init; - int num_regulator; - struct regulator_init_data *regulator; + struct ab8500_regulator_platform_data *regulator; struct abx500_gpio_platform_data *gpio; struct ab8500_codec_platform_data *codec; struct ab8500_sysctrl_platform_data *sysctrl; diff --git a/include/linux/mfd/arizona/core.h b/include/linux/mfd/arizona/core.h index a710255528d..cc281368dc5 100644 --- a/include/linux/mfd/arizona/core.h +++ b/include/linux/mfd/arizona/core.h @@ -100,6 +100,9 @@ struct arizona { struct regmap_irq_chip_data *aod_irq_chip; struct regmap_irq_chip_data *irq_chip; + bool hpdet_magic; + unsigned int hp_ena; + struct mutex clk_lock; int clk32k_ref; diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h index 455c51d22d6..a0f940987a3 100644 --- a/include/linux/mfd/arizona/pdata.h +++ b/include/linux/mfd/arizona/pdata.h @@ -86,6 +86,11 @@ struct arizona_micd_config { bool gpio; }; +struct arizona_micd_range { + int max; /** Ohms */ + int key; /** Key to report to input layer */ +}; + struct arizona_pdata { int reset; /** GPIO controlling /RESET, if any */ int ldoena; /** GPIO controlling LODENA, if any */ @@ -117,12 +122,21 @@ struct arizona_pdata { /** GPIO5 is used for jack detection */ bool jd_gpio5; + /** Internal pull on GPIO5 is disabled when used for jack detection */ + bool jd_gpio5_nopull; + /** Use the headphone detect circuit to identify the accessory */ bool hpdet_acc_id; + /** Check for line output with HPDET method */ + bool hpdet_acc_id_line; + /** GPIO used for mic isolation with HPDET */ int hpdet_id_gpio; + /** Extra debounce timeout used during initial mic detection (ms) */ + int micd_detect_debounce; + /** GPIO for mic detection polarity */ int micd_pol_gpio; @@ -135,9 +149,16 @@ struct arizona_pdata { /** Mic detect debounce level */ int micd_dbtime; + /** Mic detect timeout (ms) */ + int micd_timeout; + /** Force MICBIAS on for mic detect */ bool micd_force_micbias; + /** Mic detect level parameters */ + const struct arizona_micd_range *micd_ranges; + int num_micd_ranges; + /** Headset polarity configurations */ struct arizona_micd_config *micd_configs; int num_micd_configs; diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h index 34035513606..f43aa7c8d04 100644 --- a/include/linux/mfd/arizona/registers.h +++ b/include/linux/mfd/arizona/registers.h @@ -124,6 +124,10 @@ #define ARIZONA_MIC_DETECT_1 0x2A3 #define ARIZONA_MIC_DETECT_2 0x2A4 #define ARIZONA_MIC_DETECT_3 0x2A5 +#define ARIZONA_MIC_DETECT_LEVEL_1 0x2A6 +#define ARIZONA_MIC_DETECT_LEVEL_2 0x2A7 +#define ARIZONA_MIC_DETECT_LEVEL_3 0x2A8 +#define ARIZONA_MIC_DETECT_LEVEL_4 0x2A9 #define ARIZONA_MIC_NOISE_MIX_CONTROL_1 0x2C3 #define ARIZONA_ISOLATION_CONTROL 0x2CB #define ARIZONA_JACK_DETECT_ANALOGUE 0x2D3 diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h index 5b18ecde69b..1aa4f13cdfa 100644 --- a/include/linux/mfd/max77693-private.h +++ b/include/linux/mfd/max77693-private.h @@ -106,6 +106,29 @@ enum max77693_muic_reg { MAX77693_MUIC_REG_END, }; +/* MAX77693 INTMASK1~2 Register */ +#define INTMASK1_ADC1K_SHIFT 3 +#define INTMASK1_ADCERR_SHIFT 2 +#define INTMASK1_ADCLOW_SHIFT 1 +#define INTMASK1_ADC_SHIFT 0 +#define INTMASK1_ADC1K_MASK (1 << INTMASK1_ADC1K_SHIFT) +#define INTMASK1_ADCERR_MASK (1 << INTMASK1_ADCERR_SHIFT) +#define INTMASK1_ADCLOW_MASK (1 << INTMASK1_ADCLOW_SHIFT) +#define INTMASK1_ADC_MASK (1 << INTMASK1_ADC_SHIFT) + +#define INTMASK2_VIDRM_SHIFT 5 +#define INTMASK2_VBVOLT_SHIFT 4 +#define INTMASK2_DXOVP_SHIFT 3 +#define INTMASK2_DCDTMR_SHIFT 2 +#define INTMASK2_CHGDETRUN_SHIFT 1 +#define INTMASK2_CHGTYP_SHIFT 0 +#define INTMASK2_VIDRM_MASK (1 << INTMASK2_VIDRM_SHIFT) +#define INTMASK2_VBVOLT_MASK (1 << INTMASK2_VBVOLT_SHIFT) +#define INTMASK2_DXOVP_MASK (1 << INTMASK2_DXOVP_SHIFT) +#define INTMASK2_DCDTMR_MASK (1 << INTMASK2_DCDTMR_SHIFT) +#define INTMASK2_CHGDETRUN_MASK (1 << INTMASK2_CHGDETRUN_SHIFT) +#define INTMASK2_CHGTYP_MASK (1 << INTMASK2_CHGTYP_SHIFT) + /* MAX77693 MUIC - STATUS1~3 Register */ #define STATUS1_ADC_SHIFT (0) #define STATUS1_ADCLOW_SHIFT (5) diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index a4d13d7cd00..ecddc5173c7 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h @@ -109,19 +109,6 @@ struct palmas_reg_init { */ int mode_sleep; - /* tstep is the timestep loaded to the TSTEP register - * - * For SMPS - * - * 0: Jump (no slope control) - * 1: 10mV/us - * 2: 5mV/us - * 3: 2.5mV/us - * - * For LDO unused - */ - int tstep; - /* voltage_sel is the bitfield loaded onto the SMPSX_VOLTAGE * register. Set this is the default voltage set in OTP needs * to be overridden. @@ -154,6 +141,12 @@ enum palmas_regulators { PALMAS_REG_LDO9, PALMAS_REG_LDOLN, PALMAS_REG_LDOUSB, + /* External regulators */ + PALMAS_REG_REGEN1, + PALMAS_REG_REGEN2, + PALMAS_REG_REGEN3, + PALMAS_REG_SYSEN1, + PALMAS_REG_SYSEN2, /* Total number of regulators */ PALMAS_NUM_REGS, }; @@ -171,6 +164,9 @@ struct palmas_pmic_platform_data { /* use LDO6 for vibrator control */ int ldo6_vibrator; + + /* Enable tracking mode of LDO8 */ + bool enable_ldo8_tracking; }; struct palmas_usb_platform_data { @@ -221,6 +217,7 @@ struct palmas_clk_platform_data { }; struct palmas_platform_data { + int irq_flags; int gpio_base; /* bit value to be loaded to the POWER_CTRL register */ @@ -330,6 +327,8 @@ struct palmas_pmic { int smps457; int range[PALMAS_REG_SMPS10]; + unsigned int ramp_delay[PALMAS_REG_SMPS10]; + unsigned int current_reg_mode[PALMAS_REG_SMPS10]; }; struct palmas_resource { diff --git a/include/linux/mfd/tps65217.h b/include/linux/mfd/tps65217.h index 290762f9393..29eab2bd3df 100644 --- a/include/linux/mfd/tps65217.h +++ b/include/linux/mfd/tps65217.h @@ -228,6 +228,7 @@ enum tps65217_bl_fdim { struct tps65217_bl_pdata { enum tps65217_bl_isel isel; enum tps65217_bl_fdim fdim; + int dft_brightness; }; /** diff --git a/include/linux/mfd/tps65912.h b/include/linux/mfd/tps65912.h index aaceab402ec..6d309032dc0 100644 --- a/include/linux/mfd/tps65912.h +++ b/include/linux/mfd/tps65912.h @@ -323,5 +323,6 @@ int tps65912_device_init(struct tps65912 *tps65912); void tps65912_device_exit(struct tps65912 *tps65912); int tps65912_irq_init(struct tps65912 *tps65912, int irq, struct tps65912_platform_data *pdata); +int tps65912_irq_exit(struct tps65912 *tps65912); #endif /* __LINUX_MFD_TPS65912_H */ diff --git a/include/linux/mfd/wm831x/auxadc.h b/include/linux/mfd/wm831x/auxadc.h index b132067e9e9..867aa23f937 100644 --- a/include/linux/mfd/wm831x/auxadc.h +++ b/include/linux/mfd/wm831x/auxadc.h @@ -15,6 +15,8 @@ #ifndef __MFD_WM831X_AUXADC_H__ #define __MFD_WM831X_AUXADC_H__ +struct wm831x; + /* * R16429 (0x402D) - AuxADC Data */ diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h index 4a3b83a7761..76c22648436 100644 --- a/include/linux/mfd/wm831x/core.h +++ b/include/linux/mfd/wm831x/core.h @@ -20,6 +20,7 @@ #include <linux/irqdomain.h> #include <linux/list.h> #include <linux/regmap.h> +#include <linux/mfd/wm831x/auxadc.h> /* * Register values. @@ -355,7 +356,6 @@ enum wm831x_parent { }; struct wm831x; -enum wm831x_auxadc; typedef int (*wm831x_auxadc_read_fn)(struct wm831x *wm831x, enum wm831x_auxadc input); diff --git a/include/linux/mm.h b/include/linux/mm.h index 7acc9dc73c9..c05d7cfbb6b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -44,6 +44,9 @@ extern int sysctl_legacy_va_layout; #include <asm/pgtable.h> #include <asm/processor.h> +extern unsigned long sysctl_user_reserve_kbytes; +extern unsigned long sysctl_admin_reserve_kbytes; + #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n)) /* to align the pointer to the (next) page boundary */ @@ -87,7 +90,6 @@ extern unsigned int kobjsize(const void *objp); #define VM_PFNMAP 0x00000400 /* Page-ranges managed without "struct page", just pure PFN */ #define VM_DENYWRITE 0x00000800 /* ETXTBSY on write attempts.. */ -#define VM_POPULATE 0x00001000 #define VM_LOCKED 0x00002000 #define VM_IO 0x00004000 /* Memory mapped I/O or similar */ @@ -900,7 +902,8 @@ extern void pagefault_out_of_memory(void); * Flags passed to show_mem() and show_free_areas() to suppress output in * various contexts. */ -#define SHOW_MEM_FILTER_NODES (0x0001u) /* filter disallowed nodes */ +#define SHOW_MEM_FILTER_NODES (0x0001u) /* disallowed nodes */ +#define SHOW_MEM_FILTER_PAGE_COUNT (0x0002u) /* page type count */ extern void show_free_areas(unsigned int flags); extern bool skip_free_areas_node(unsigned int flags, int nid); @@ -1295,6 +1298,61 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, unsigned long zone_start_pfn, unsigned long *zholes_size); extern void free_initmem(void); +/* + * Free reserved pages within range [PAGE_ALIGN(start), end & PAGE_MASK) + * into the buddy system. The freed pages will be poisoned with pattern + * "poison" if it's non-zero. + * Return pages freed into the buddy system. + */ +extern unsigned long free_reserved_area(unsigned long start, unsigned long end, + int poison, char *s); +#ifdef CONFIG_HIGHMEM +/* + * Free a highmem page into the buddy system, adjusting totalhigh_pages + * and totalram_pages. + */ +extern void free_highmem_page(struct page *page); +#endif + +static inline void adjust_managed_page_count(struct page *page, long count) +{ + totalram_pages += count; +} + +/* Free the reserved page into the buddy system, so it gets managed. */ +static inline void __free_reserved_page(struct page *page) +{ + ClearPageReserved(page); + init_page_count(page); + __free_page(page); +} + +static inline void free_reserved_page(struct page *page) +{ + __free_reserved_page(page); + adjust_managed_page_count(page, 1); +} + +static inline void mark_page_reserved(struct page *page) +{ + SetPageReserved(page); + adjust_managed_page_count(page, -1); +} + +/* + * Default method to free all the __init memory into the buddy system. + * The freed pages will be poisoned with pattern "poison" if it is + * non-zero. Return pages freed into the buddy system. + */ +static inline unsigned long free_initmem_default(int poison) +{ + extern char __init_begin[], __init_end[]; + + return free_reserved_area(PAGE_ALIGN((unsigned long)&__init_begin) , + ((unsigned long)&__init_end) & PAGE_MASK, + poison, "unused kernel"); +} + #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP /* * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its @@ -1612,6 +1670,8 @@ int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); +int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len); + struct page *follow_page_mask(struct vm_area_struct *vma, unsigned long address, unsigned int foll_flags, @@ -1674,8 +1734,12 @@ int in_gate_area_no_mm(unsigned long addr); #define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_mm(addr);}) #endif /* __HAVE_ARCH_GATE_AREA */ +#ifdef CONFIG_SYSCTL +extern int sysctl_drop_caches; int drop_caches_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); +#endif + unsigned long shrink_slab(struct shrink_control *shrink, unsigned long nr_pages_scanned, unsigned long lru_pages); @@ -1703,12 +1767,12 @@ pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node); void *vmemmap_alloc_block(unsigned long size, int node); void *vmemmap_alloc_block_buf(unsigned long size, int node); void vmemmap_verify(pte_t *, int, unsigned long, unsigned long); -int vmemmap_populate_basepages(struct page *start_page, - unsigned long pages, int node); -int vmemmap_populate(struct page *start_page, unsigned long pages, int node); +int vmemmap_populate_basepages(unsigned long start, unsigned long end, + int node); +int vmemmap_populate(unsigned long start, unsigned long end, int node); void vmemmap_populate_print_last(void); #ifdef CONFIG_MEMORY_HOTPLUG -void vmemmap_free(struct page *memmap, unsigned long nr_pages); +void vmemmap_free(unsigned long start, unsigned long end); #endif void register_page_bootmem_memmap(unsigned long section_nr, struct page *map, unsigned long size); @@ -1755,5 +1819,11 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; } static inline bool page_is_guard(struct page *page) { return false; } #endif /* CONFIG_DEBUG_PAGEALLOC */ +#if MAX_NUMNODES > 1 +void __init setup_nr_node_ids(void); +#else +static inline void setup_nr_node_ids(void) {} +#endif + #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/include/linux/mman.h b/include/linux/mman.h index 61c7a87e5d2..9aa863da287 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -79,8 +79,6 @@ calc_vm_flag_bits(unsigned long flags) { return _calc_vm_trans(flags, MAP_GROWSDOWN, VM_GROWSDOWN ) | _calc_vm_trans(flags, MAP_DENYWRITE, VM_DENYWRITE ) | - ((flags & MAP_LOCKED) ? (VM_LOCKED | VM_POPULATE) : 0) | - (((flags & (MAP_POPULATE | MAP_NONBLOCK)) == MAP_POPULATE) ? - VM_POPULATE : 0); + _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ); } #endif /* _LINUX_MMAN_H */ diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index ede274957e0..c74092eebf5 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -527,7 +527,7 @@ static inline int zone_is_oom_locked(const struct zone *zone) return test_bit(ZONE_OOM_LOCKED, &zone->flags); } -static inline unsigned zone_end_pfn(const struct zone *zone) +static inline unsigned long zone_end_pfn(const struct zone *zone) { return zone->zone_start_pfn + zone->spanned_pages; } diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 779cf7c4a3d..b508016fb76 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -9,6 +9,7 @@ #ifdef __KERNEL__ #include <linux/types.h> +#include <linux/uuid.h> typedef unsigned long kernel_ulong_t; #endif @@ -568,4 +569,12 @@ struct ipack_device_id { __u32 device; /* Device ID or IPACK_ANY_ID */ }; +#define MEI_CL_MODULE_PREFIX "mei:" +#define MEI_CL_NAME_SIZE 32 + +struct mei_cl_device_id { + char name[MEI_CL_NAME_SIZE]; + kernel_ulong_t driver_info; +}; + #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/include/linux/mount.h b/include/linux/mount.h index d7029f4a191..73005f9957e 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -47,6 +47,8 @@ struct mnt_namespace; #define MNT_INTERNAL 0x4000 +#define MNT_LOCK_READONLY 0x400000 + struct vfsmount { struct dentry *mnt_root; /* root of the mounted tree */ struct super_block *mnt_sb; /* pointer to superblock */ diff --git a/include/linux/msi.h b/include/linux/msi.h index ce93a341337..20c2d6dd5d2 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -13,14 +13,14 @@ struct msi_msg { /* Helper functions */ struct irq_data; struct msi_desc; -extern void mask_msi_irq(struct irq_data *data); -extern void unmask_msi_irq(struct irq_data *data); -extern void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg); -extern void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg); -extern void __write_msi_msg(struct msi_desc *entry, struct msi_msg *msg); -extern void read_msi_msg(unsigned int irq, struct msi_msg *msg); -extern void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg); -extern void write_msi_msg(unsigned int irq, struct msi_msg *msg); +void mask_msi_irq(struct irq_data *data); +void unmask_msi_irq(struct irq_data *data); +void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg); +void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg); +void __write_msi_msg(struct msi_desc *entry, struct msi_msg *msg); +void read_msi_msg(unsigned int irq, struct msi_msg *msg); +void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg); +void write_msi_msg(unsigned int irq, struct msi_msg *msg); struct msi_desc { struct { @@ -54,9 +54,8 @@ struct msi_desc { */ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc); void arch_teardown_msi_irq(unsigned int irq); -extern int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type); -extern void arch_teardown_msi_irqs(struct pci_dev *dev); -extern int arch_msi_check_device(struct pci_dev* dev, int nvec, int type); - +int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type); +void arch_teardown_msi_irqs(struct pci_dev *dev); +int arch_msi_check_device(struct pci_dev* dev, int nvec, int type); #endif /* LINUX_MSI_H */ diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 7ccb3c59ed6..ef52d9c9145 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -187,6 +187,13 @@ typedef enum { * This happens with the Renesas AG-AND chips, possibly others. */ #define BBT_AUTO_REFRESH 0x00000080 +/* + * Chip requires ready check on read (for auto-incremented sequential read). + * True only for small page devices; large page devices do not support + * autoincrement. + */ +#define NAND_NEED_READRDY 0x00000100 + /* Chip does not allow subpage writes */ #define NAND_NO_SUBPAGE_WRITE 0x00000200 diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 9121595a8eb..433da8a1a42 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -53,6 +53,9 @@ struct mutex { #if defined(CONFIG_DEBUG_MUTEXES) || defined(CONFIG_SMP) struct task_struct *owner; #endif +#ifdef CONFIG_MUTEX_SPIN_ON_OWNER + void *spin_mlock; /* Spinner MCS lock */ +#endif #ifdef CONFIG_DEBUG_MUTEXES const char *name; void *magic; diff --git a/include/linux/mxsfb.h b/include/linux/mxsfb.h index f14943d5531..f80af867434 100644 --- a/include/linux/mxsfb.h +++ b/include/linux/mxsfb.h @@ -24,8 +24,8 @@ #define STMLCDIF_18BIT 2 /** pixel data bus to the display is of 18 bit width */ #define STMLCDIF_24BIT 3 /** pixel data bus to the display is of 24 bit width */ -#define FB_SYNC_DATA_ENABLE_HIGH_ACT (1 << 6) -#define FB_SYNC_DOTCLK_FAILING_ACT (1 << 7) /* failing/negtive edge sampling */ +#define MXSFB_SYNC_DATA_ENABLE_HIGH_ACT (1 << 6) +#define MXSFB_SYNC_DOTCLK_FAILING_ACT (1 << 7) /* failing/negtive edge sampling */ struct mxsfb_platform_data { struct fb_videomode *mode_list; @@ -44,6 +44,9 @@ struct mxsfb_platform_data { * allocated. If specified,fb_size must also be specified. * fb_phys must be unused by Linux. */ + u32 sync; /* sync mask, contains MXSFB specifics not + * carried in fb_info->var.sync + */ }; #endif /* __LINUX_MXSFB_H */ diff --git a/include/linux/net.h b/include/linux/net.h index aa1673160a4..99c9f0c103c 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -240,8 +240,8 @@ do { \ #define net_dbg_ratelimited(fmt, ...) \ net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__) -#define net_random() random32() -#define net_srandom(seed) srandom32((__force u32)seed) +#define net_random() prandom_u32() +#define net_srandom(seed) prandom_seed((__force u32)(seed)) extern int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec, size_t num, size_t len); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index b3d00fa4b31..6151e903eef 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -210,9 +210,9 @@ struct netdev_hw_addr { #define NETDEV_HW_ADDR_T_SLAVE 3 #define NETDEV_HW_ADDR_T_UNICAST 4 #define NETDEV_HW_ADDR_T_MULTICAST 5 - bool synced; bool global_use; int refcount; + int synced; struct rcu_head rcu_head; }; @@ -895,7 +895,7 @@ struct netdev_fcoe_hbainfo { * * int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh) * int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq, - * struct net_device *dev) + * struct net_device *dev, u32 filter_mask) * * int (*ndo_change_carrier)(struct net_device *dev, bool new_carrier); * Called to change device carrier. Soft-devices (like dummy, team, etc) diff --git a/include/linux/netfilter/ipset/ip_set_ahash.h b/include/linux/netfilter/ipset/ip_set_ahash.h index ef9acd3c845..0214c4c146f 100644 --- a/include/linux/netfilter/ipset/ip_set_ahash.h +++ b/include/linux/netfilter/ipset/ip_set_ahash.h @@ -291,6 +291,7 @@ ip_set_hash_destroy(struct ip_set *set) #define type_pf_data_tlist TOKEN(TYPE, PF, _data_tlist) #define type_pf_data_next TOKEN(TYPE, PF, _data_next) #define type_pf_data_flags TOKEN(TYPE, PF, _data_flags) +#define type_pf_data_reset_flags TOKEN(TYPE, PF, _data_reset_flags) #ifdef IP_SET_HASH_WITH_NETS #define type_pf_data_match TOKEN(TYPE, PF, _data_match) #else @@ -385,9 +386,9 @@ type_pf_resize(struct ip_set *set, bool retried) struct ip_set_hash *h = set->data; struct htable *t, *orig = h->table; u8 htable_bits = orig->htable_bits; - const struct type_pf_elem *data; + struct type_pf_elem *data; struct hbucket *n, *m; - u32 i, j; + u32 i, j, flags = 0; int ret; retry: @@ -412,9 +413,16 @@ retry: n = hbucket(orig, i); for (j = 0; j < n->pos; j++) { data = ahash_data(n, j); +#ifdef IP_SET_HASH_WITH_NETS + flags = 0; + type_pf_data_reset_flags(data, &flags); +#endif m = hbucket(t, HKEY(data, h->initval, htable_bits)); - ret = type_pf_elem_add(m, data, AHASH_MAX(h), 0); + ret = type_pf_elem_add(m, data, AHASH_MAX(h), flags); if (ret < 0) { +#ifdef IP_SET_HASH_WITH_NETS + type_pf_data_flags(data, flags); +#endif read_unlock_bh(&set->lock); ahash_destroy(t); if (ret == -EAGAIN) @@ -836,9 +844,9 @@ type_pf_tresize(struct ip_set *set, bool retried) struct ip_set_hash *h = set->data; struct htable *t, *orig = h->table; u8 htable_bits = orig->htable_bits; - const struct type_pf_elem *data; + struct type_pf_elem *data; struct hbucket *n, *m; - u32 i, j; + u32 i, j, flags = 0; int ret; /* Try to cleanup once */ @@ -854,6 +862,8 @@ type_pf_tresize(struct ip_set *set, bool retried) retry: ret = 0; htable_bits++; + pr_debug("attempt to resize set %s from %u to %u, t %p\n", + set->name, orig->htable_bits, htable_bits, orig); if (!htable_bits) { /* In case we have plenty of memory :-) */ pr_warning("Cannot increase the hashsize of set %s further\n", @@ -871,10 +881,17 @@ retry: n = hbucket(orig, i); for (j = 0; j < n->pos; j++) { data = ahash_tdata(n, j); +#ifdef IP_SET_HASH_WITH_NETS + flags = 0; + type_pf_data_reset_flags(data, &flags); +#endif m = hbucket(t, HKEY(data, h->initval, htable_bits)); - ret = type_pf_elem_tadd(m, data, AHASH_MAX(h), 0, - type_pf_data_timeout(data)); + ret = type_pf_elem_tadd(m, data, AHASH_MAX(h), flags, + ip_set_timeout_get(type_pf_data_timeout(data))); if (ret < 0) { +#ifdef IP_SET_HASH_WITH_NETS + type_pf_data_flags(data, flags); +#endif read_unlock_bh(&set->lock); ahash_destroy(t); if (ret == -EAGAIN) @@ -1185,6 +1202,7 @@ type_pf_gc_init(struct ip_set *set) #undef type_pf_data_tlist #undef type_pf_data_next #undef type_pf_data_flags +#undef type_pf_data_reset_flags #undef type_pf_data_match #undef type_pf_elem diff --git a/include/linux/notifier.h b/include/linux/notifier.h index d65746efc95..d14a4c36246 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -47,8 +47,11 @@ * runtime initialization. */ +typedef int (*notifier_fn_t)(struct notifier_block *nb, + unsigned long action, void *data); + struct notifier_block { - int (*notifier_call)(struct notifier_block *, unsigned long, void *); + notifier_fn_t notifier_call; struct notifier_block __rcu *next; int priority; }; diff --git a/include/linux/nvme.h b/include/linux/nvme.h index c25cccaa555..4fa3b0b9b07 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -137,6 +137,34 @@ enum { NVME_LBAF_RP_DEGRADED = 3, }; +struct nvme_smart_log { + __u8 critical_warning; + __u8 temperature[2]; + __u8 avail_spare; + __u8 spare_thresh; + __u8 percent_used; + __u8 rsvd6[26]; + __u8 data_units_read[16]; + __u8 data_units_written[16]; + __u8 host_reads[16]; + __u8 host_writes[16]; + __u8 ctrl_busy_time[16]; + __u8 power_cycles[16]; + __u8 power_on_hours[16]; + __u8 unsafe_shutdowns[16]; + __u8 media_errors[16]; + __u8 num_err_log_entries[16]; + __u8 rsvd192[320]; +}; + +enum { + NVME_SMART_CRIT_SPARE = 1 << 0, + NVME_SMART_CRIT_TEMPERATURE = 1 << 1, + NVME_SMART_CRIT_RELIABILITY = 1 << 2, + NVME_SMART_CRIT_MEDIA = 1 << 3, + NVME_SMART_CRIT_VOLATILE_MEMORY = 1 << 4, +}; + struct nvme_lba_range_type { __u8 type; __u8 attributes; diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 0e38e13eb24..e3dea75a078 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -149,7 +149,7 @@ static inline int page_cache_get_speculative(struct page *page) { VM_BUG_ON(in_interrupt()); -#if !defined(CONFIG_SMP) && defined(CONFIG_TREE_RCU) +#ifdef CONFIG_TINY_RCU # ifdef CONFIG_PREEMPT_COUNT VM_BUG_ON(!in_atomic()); # endif diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 9a22b5efb38..81b31613eb2 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -41,8 +41,37 @@ static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) return DEVICE_ACPI_HANDLE(dev); } + +void acpi_pci_add_bus(struct pci_bus *bus); +void acpi_pci_remove_bus(struct pci_bus *bus); + +#ifdef CONFIG_ACPI_PCI_SLOT +void acpi_pci_slot_init(void); +void acpi_pci_slot_enumerate(struct pci_bus *bus, acpi_handle handle); +void acpi_pci_slot_remove(struct pci_bus *bus); +#else +static inline void acpi_pci_slot_init(void) { } +static inline void acpi_pci_slot_enumerate(struct pci_bus *bus, + acpi_handle handle) { } +static inline void acpi_pci_slot_remove(struct pci_bus *bus) { } #endif +#ifdef CONFIG_HOTPLUG_PCI_ACPI +void acpiphp_init(void); +void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle); +void acpiphp_remove_slots(struct pci_bus *bus); +#else +static inline void acpiphp_init(void) { } +static inline void acpiphp_enumerate_slots(struct pci_bus *bus, + acpi_handle handle) { } +static inline void acpiphp_remove_slots(struct pci_bus *bus) { } +#endif + +#else /* CONFIG_ACPI */ +static inline void acpi_pci_add_bus(struct pci_bus *bus) { } +static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } +#endif /* CONFIG_ACPI */ + #ifdef CONFIG_ACPI_APEI extern bool aer_acpi_firmware_first(void); #else diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h index c8320144fe7..8af4610c2e4 100644 --- a/include/linux/pci-aspm.h +++ b/include/linux/pci-aspm.h @@ -23,14 +23,14 @@ #define PCIE_LINK_STATE_CLKPM 4 #ifdef CONFIG_PCIEASPM -extern void pcie_aspm_init_link_state(struct pci_dev *pdev); -extern void pcie_aspm_exit_link_state(struct pci_dev *pdev); -extern void pcie_aspm_pm_state_change(struct pci_dev *pdev); -extern void pcie_aspm_powersave_config_link(struct pci_dev *pdev); -extern void pci_disable_link_state(struct pci_dev *pdev, int state); -extern void pci_disable_link_state_locked(struct pci_dev *pdev, int state); -extern void pcie_clear_aspm(struct pci_bus *bus); -extern void pcie_no_aspm(void); +void pcie_aspm_init_link_state(struct pci_dev *pdev); +void pcie_aspm_exit_link_state(struct pci_dev *pdev); +void pcie_aspm_pm_state_change(struct pci_dev *pdev); +void pcie_aspm_powersave_config_link(struct pci_dev *pdev); +void pci_disable_link_state(struct pci_dev *pdev, int state); +void pci_disable_link_state_locked(struct pci_dev *pdev, int state); +void pcie_clear_aspm(struct pci_bus *bus); +void pcie_no_aspm(void); #else static inline void pcie_aspm_init_link_state(struct pci_dev *pdev) { @@ -56,8 +56,8 @@ static inline void pcie_no_aspm(void) #endif #ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */ -extern void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev); -extern void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev); +void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev); +void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev); #else static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) { diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h index 7ef68724f0f..68bcefd7fca 100644 --- a/include/linux/pci-ats.h +++ b/include/linux/pci-ats.h @@ -14,9 +14,9 @@ struct pci_ats { #ifdef CONFIG_PCI_ATS -extern int pci_enable_ats(struct pci_dev *dev, int ps); -extern void pci_disable_ats(struct pci_dev *dev); -extern int pci_ats_queue_depth(struct pci_dev *dev); +int pci_enable_ats(struct pci_dev *dev, int ps); +void pci_disable_ats(struct pci_dev *dev); +int pci_ats_queue_depth(struct pci_dev *dev); /** * pci_ats_enabled - query the ATS status @@ -54,12 +54,12 @@ static inline int pci_ats_enabled(struct pci_dev *dev) #ifdef CONFIG_PCI_PRI -extern int pci_enable_pri(struct pci_dev *pdev, u32 reqs); -extern void pci_disable_pri(struct pci_dev *pdev); -extern bool pci_pri_enabled(struct pci_dev *pdev); -extern int pci_reset_pri(struct pci_dev *pdev); -extern bool pci_pri_stopped(struct pci_dev *pdev); -extern int pci_pri_status(struct pci_dev *pdev); +int pci_enable_pri(struct pci_dev *pdev, u32 reqs); +void pci_disable_pri(struct pci_dev *pdev); +bool pci_pri_enabled(struct pci_dev *pdev); +int pci_reset_pri(struct pci_dev *pdev); +bool pci_pri_stopped(struct pci_dev *pdev); +int pci_pri_status(struct pci_dev *pdev); #else /* CONFIG_PCI_PRI */ @@ -95,10 +95,10 @@ static inline int pci_pri_status(struct pci_dev *pdev) #ifdef CONFIG_PCI_PASID -extern int pci_enable_pasid(struct pci_dev *pdev, int features); -extern void pci_disable_pasid(struct pci_dev *pdev); -extern int pci_pasid_features(struct pci_dev *pdev); -extern int pci_max_pasids(struct pci_dev *pdev); +int pci_enable_pasid(struct pci_dev *pdev, int features); +void pci_disable_pasid(struct pci_dev *pdev); +int pci_pasid_features(struct pci_dev *pdev); +int pci_max_pasids(struct pci_dev *pdev); #else /* CONFIG_PCI_PASID */ diff --git a/include/linux/pci.h b/include/linux/pci.h index 2461033a798..e73dfa308b8 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -35,6 +35,21 @@ /* Include the ID list */ #include <linux/pci_ids.h> +/* + * The PCI interface treats multi-function devices as independent + * devices. The slot/function address of each device is encoded + * in a single byte as follows: + * + * 7:3 = slot + * 2:0 = function + * PCI_DEVFN(), PCI_SLOT(), and PCI_FUNC() are defined uapi/linux/pci.h + * In the interest of not exposing interfaces to user-space unnecessarily, + * the following kernel only defines are being added here. + */ +#define PCI_DEVID(bus, devfn) ((((u16)bus) << 8) | devfn) +/* return bus from PCI devid = ((u16)bus_number) << 8) | devfn */ +#define PCI_BUS_NUM(x) (((x) >> 8) & 0xff) + /* pci_slot represents a physical slot */ struct pci_slot { struct pci_bus *bus; /* The bus this slot is on */ @@ -232,6 +247,8 @@ struct pci_dev { u8 revision; /* PCI revision, low byte of class word */ u8 hdr_type; /* PCI header type (`multi' flag masked out) */ u8 pcie_cap; /* PCI-E capability offset */ + u8 msi_cap; /* MSI capability offset */ + u8 msix_cap; /* MSI-X capability offset */ u8 pcie_mpss:3; /* PCI-E Max Payload Size Supported */ u8 rom_base_reg; /* which config register controls the ROM */ u8 pin; /* which interrupt pin this device uses */ @@ -249,8 +266,7 @@ struct pci_dev { pci_power_t current_state; /* Current operating state. In ACPI-speak, this is D0-D3, D0 being fully functional, and D3 being off. */ - int pm_cap; /* PM capability offset in the - configuration space */ + u8 pm_cap; /* PM capability offset */ unsigned int pme_support:5; /* Bitmask of states from which PME# can be generated */ unsigned int pme_interrupt:1; @@ -348,7 +364,7 @@ static inline struct pci_dev *pci_physfn(struct pci_dev *dev) return dev; } -extern struct pci_dev *alloc_pci_dev(void); +struct pci_dev *alloc_pci_dev(void); #define to_pci_dev(n) container_of(n, struct pci_dev, dev) #define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL) @@ -504,10 +520,10 @@ struct pci_ops { * ACPI needs to be able to access PCI config space before we've done a * PCI bus scan and created pci_bus structures. */ -extern int raw_pci_read(unsigned int domain, unsigned int bus, - unsigned int devfn, int reg, int len, u32 *val); -extern int raw_pci_write(unsigned int domain, unsigned int bus, - unsigned int devfn, int reg, int len, u32 val); +int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn, + int reg, int len, u32 *val); +int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn, + int reg, int len, u32 val); struct pci_bus_region { resource_size_t start; @@ -658,7 +674,7 @@ struct pci_driver { /* these external functions are only available when PCI support is enabled */ #ifdef CONFIG_PCI -extern void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss); +void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss); enum pcie_bus_config_types { PCIE_BUS_TUNE_OFF, @@ -675,9 +691,11 @@ extern struct bus_type pci_bus_type; * code, or pci core code. */ extern struct list_head pci_root_buses; /* list of all known PCI buses */ /* Some device drivers need know if pci is initiated */ -extern int no_pci_devices(void); +int no_pci_devices(void); void pcibios_resource_survey_bus(struct pci_bus *bus); +void pcibios_add_bus(struct pci_bus *bus); +void pcibios_remove_bus(struct pci_bus *bus); void pcibios_fixup_bus(struct pci_bus *); int __must_check pcibios_enable_device(struct pci_dev *, int mask); /* Architecture specific versions may override this (weak) */ @@ -699,7 +717,7 @@ void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, struct pci_bus_region *region); void pcibios_scan_specific_bus(int busn); -extern struct pci_bus *pci_find_bus(int domain, int busnr); +struct pci_bus *pci_find_bus(int domain, int busnr); void pci_bus_add_devices(const struct pci_bus *bus); struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata); @@ -732,14 +750,14 @@ struct resource *pci_find_parent_resource(const struct pci_dev *dev, u8 pci_swizzle_interrupt_pin(const struct pci_dev *dev, u8 pin); int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge); u8 pci_common_swizzle(struct pci_dev *dev, u8 *pinp); -extern struct pci_dev *pci_dev_get(struct pci_dev *dev); -extern void pci_dev_put(struct pci_dev *dev); -extern void pci_remove_bus(struct pci_bus *b); -extern void pci_stop_and_remove_bus_device(struct pci_dev *dev); +struct pci_dev *pci_dev_get(struct pci_dev *dev); +void pci_dev_put(struct pci_dev *dev); +void pci_remove_bus(struct pci_bus *b); +void pci_stop_and_remove_bus_device(struct pci_dev *dev); void pci_stop_root_bus(struct pci_bus *bus); void pci_remove_root_bus(struct pci_bus *bus); void pci_setup_cardbus(struct pci_bus *bus); -extern void pci_sort_breadthfirst(void); +void pci_sort_breadthfirst(void); #define dev_is_pci(d) ((d)->bus == &pci_bus_type) #define dev_is_pf(d) ((dev_is_pci(d) ? to_pci_dev(d)->is_physfn : false)) #define dev_num_vf(d) ((dev_is_pci(d) ? pci_num_vf(to_pci_dev(d)) : 0)) @@ -916,6 +934,7 @@ void pci_disable_rom(struct pci_dev *pdev); void __iomem __must_check *pci_map_rom(struct pci_dev *pdev, size_t *size); void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom); size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size); +void __iomem __must_check *pci_platform_rom(struct pci_dev *pdev, size_t *size); /* Power management related routines */ int pci_save_state(struct pci_dev *dev); @@ -1141,18 +1160,17 @@ static inline int pci_msi_enabled(void) return 0; } #else -extern int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec); -extern int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec); -extern void pci_msi_shutdown(struct pci_dev *dev); -extern void pci_disable_msi(struct pci_dev *dev); -extern int pci_msix_table_size(struct pci_dev *dev); -extern int pci_enable_msix(struct pci_dev *dev, - struct msix_entry *entries, int nvec); -extern void pci_msix_shutdown(struct pci_dev *dev); -extern void pci_disable_msix(struct pci_dev *dev); -extern void msi_remove_pci_irq_vectors(struct pci_dev *dev); -extern void pci_restore_msi_state(struct pci_dev *dev); -extern int pci_msi_enabled(void); +int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec); +int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec); +void pci_msi_shutdown(struct pci_dev *dev); +void pci_disable_msi(struct pci_dev *dev); +int pci_msix_table_size(struct pci_dev *dev); +int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec); +void pci_msix_shutdown(struct pci_dev *dev); +void pci_disable_msix(struct pci_dev *dev); +void msi_remove_pci_irq_vectors(struct pci_dev *dev); +void pci_restore_msi_state(struct pci_dev *dev); +int pci_msi_enabled(void); #endif #ifdef CONFIG_PCIEPORTBUS @@ -1167,8 +1185,8 @@ extern bool pcie_ports_auto; static inline int pcie_aspm_enabled(void) { return 0; } static inline bool pcie_aspm_support_enabled(void) { return false; } #else -extern int pcie_aspm_enabled(void); -extern bool pcie_aspm_support_enabled(void); +int pcie_aspm_enabled(void); +bool pcie_aspm_support_enabled(void); #endif #ifdef CONFIG_PCIEAER @@ -1186,8 +1204,8 @@ static inline void pcie_set_ecrc_checking(struct pci_dev *dev) } static inline void pcie_ecrc_get_policy(char *str) {}; #else -extern void pcie_set_ecrc_checking(struct pci_dev *dev); -extern void pcie_ecrc_get_policy(char *str); +void pcie_set_ecrc_checking(struct pci_dev *dev); +void pcie_ecrc_get_policy(char *str); #endif #define pci_enable_msi(pdev) pci_enable_msi_block(pdev, 1) @@ -1198,9 +1216,9 @@ int ht_create_irq(struct pci_dev *dev, int idx); void ht_destroy_irq(unsigned int irq); #endif /* CONFIG_HT_IRQ */ -extern void pci_cfg_access_lock(struct pci_dev *dev); -extern bool pci_cfg_access_trylock(struct pci_dev *dev); -extern void pci_cfg_access_unlock(struct pci_dev *dev); +void pci_cfg_access_lock(struct pci_dev *dev); +bool pci_cfg_access_trylock(struct pci_dev *dev); +void pci_cfg_access_unlock(struct pci_dev *dev); /* * PCI domain support. Sometimes called PCI segment (eg by ACPI), @@ -1225,7 +1243,7 @@ static inline int pci_proc_domain(struct pci_bus *bus) /* some architectures require additional setup to direct VGA traffic */ typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode, unsigned int command_bits, u32 flags); -extern void pci_register_set_vga_state(arch_set_vga_state_t func); +void pci_register_set_vga_state(arch_set_vga_state_t func); #else /* CONFIG_PCI is not enabled */ @@ -1627,8 +1645,8 @@ int pcibios_set_pcie_reset_state(struct pci_dev *dev, int pcibios_add_device(struct pci_dev *dev); #ifdef CONFIG_PCI_MMCONFIG -extern void __init pci_mmcfg_early_init(void); -extern void __init pci_mmcfg_late_init(void); +void __init pci_mmcfg_early_init(void); +void __init pci_mmcfg_late_init(void); #else static inline void pci_mmcfg_early_init(void) { } static inline void pci_mmcfg_late_init(void) { } @@ -1639,12 +1657,12 @@ int pci_ext_cfg_avail(void); void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar); #ifdef CONFIG_PCI_IOV -extern int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn); -extern void pci_disable_sriov(struct pci_dev *dev); -extern irqreturn_t pci_sriov_migration(struct pci_dev *dev); -extern int pci_num_vf(struct pci_dev *dev); -extern int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs); -extern int pci_sriov_get_totalvfs(struct pci_dev *dev); +int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn); +void pci_disable_sriov(struct pci_dev *dev); +irqreturn_t pci_sriov_migration(struct pci_dev *dev); +int pci_num_vf(struct pci_dev *dev); +int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs); +int pci_sriov_get_totalvfs(struct pci_dev *dev); #else static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) { @@ -1672,8 +1690,8 @@ static inline int pci_sriov_get_totalvfs(struct pci_dev *dev) #endif #if defined(CONFIG_HOTPLUG_PCI) || defined(CONFIG_HOTPLUG_PCI_MODULE) -extern void pci_hp_create_module_link(struct pci_slot *pci_slot); -extern void pci_hp_remove_module_link(struct pci_slot *pci_slot); +void pci_hp_create_module_link(struct pci_slot *pci_slot); +void pci_hp_remove_module_link(struct pci_slot *pci_slot); #endif /** @@ -1817,13 +1835,13 @@ int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off, /* PCI <-> OF binding helpers */ #ifdef CONFIG_OF struct device_node; -extern void pci_set_of_node(struct pci_dev *dev); -extern void pci_release_of_node(struct pci_dev *dev); -extern void pci_set_bus_of_node(struct pci_bus *bus); -extern void pci_release_bus_of_node(struct pci_bus *bus); +void pci_set_of_node(struct pci_dev *dev); +void pci_release_of_node(struct pci_dev *dev); +void pci_set_bus_of_node(struct pci_bus *bus); +void pci_release_bus_of_node(struct pci_bus *bus); /* Arch may override this (weak) */ -extern struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus); +struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus); static inline struct device_node * pci_device_to_OF_node(const struct pci_dev *pdev) diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h index 45fc162cbdc..8db71dcd633 100644 --- a/include/linux/pci_hotplug.h +++ b/include/linux/pci_hotplug.h @@ -125,12 +125,12 @@ static inline const char *hotplug_slot_name(const struct hotplug_slot *slot) return pci_slot_name(slot->pci_slot); } -extern int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *pbus, - int nr, const char *name, - struct module *owner, const char *mod_name); -extern int pci_hp_deregister(struct hotplug_slot *slot); -extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot, - struct hotplug_slot_info *info); +int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *pbus, int nr, + const char *name, struct module *owner, + const char *mod_name); +int pci_hp_deregister(struct hotplug_slot *slot); +int __must_check pci_hp_change_slot_info(struct hotplug_slot *slot, + struct hotplug_slot_info *info); /* use a define to avoid include chaining to get THIS_MODULE & friends */ #define pci_hp_register(slot, pbus, devnr, name) \ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index f11c1c2609d..a80f9e6ce9e 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1604,6 +1604,7 @@ #define PCI_SUBDEVICE_ID_KEYSPAN_SX2 0x5334 #define PCI_VENDOR_ID_MARVELL 0x11ab +#define PCI_VENDOR_ID_MARVELL_EXT 0x1b4b #define PCI_DEVICE_ID_MARVELL_GT64111 0x4146 #define PCI_DEVICE_ID_MARVELL_GT64260 0x6430 #define PCI_DEVICE_ID_MARVELL_MV64360 0x6460 diff --git a/include/linux/pcieport_if.h b/include/linux/pcieport_if.h index e6f91b1406d..9572669eea9 100644 --- a/include/linux/pcieport_if.h +++ b/include/linux/pcieport_if.h @@ -62,7 +62,7 @@ struct pcie_port_service_driver { #define to_service_driver(d) \ container_of(d, struct pcie_port_service_driver, driver) -extern int pcie_port_service_register(struct pcie_port_service_driver *new); -extern void pcie_port_service_unregister(struct pcie_port_service_driver *new); +int pcie_port_service_register(struct pcie_port_service_driver *new); +void pcie_port_service_unregister(struct pcie_port_service_driver *new); #endif /* _PCIEPORT_IF_H_ */ diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index e47ee462c2f..e0373d26c24 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -21,7 +21,6 @@ */ #ifdef CONFIG_PERF_EVENTS -# include <linux/cgroup.h> # include <asm/perf_event.h> # include <asm/local64.h> #endif @@ -128,6 +127,7 @@ struct hw_perf_event { int event_base_rdpmc; int idx; int last_cpu; + int flags; struct hw_perf_event_extra extra_reg; struct hw_perf_event_extra branch_reg; @@ -299,22 +299,7 @@ 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_cgroup; struct ring_buffer; /** @@ -583,11 +568,13 @@ struct perf_sample_data { u32 reserved; } cpu_entry; u64 period; + union perf_mem_data_src data_src; struct perf_callchain_entry *callchain; struct perf_raw_record *raw; struct perf_branch_stack *br_stack; struct perf_regs_user regs_user; u64 stack_user_size; + u64 weight; }; static inline void perf_sample_data_init(struct perf_sample_data *data, @@ -601,6 +588,8 @@ static inline void perf_sample_data_init(struct perf_sample_data *data, data->regs_user.abi = PERF_SAMPLE_REGS_ABI_NONE; data->regs_user.regs = NULL; data->stack_user_size = 0; + data->weight = 0; + data->data_src.val = 0; } extern void perf_output_sample(struct perf_output_handle *handle, @@ -799,6 +788,12 @@ static inline int __perf_event_disable(void *info) { return -1; } static inline void perf_event_task_tick(void) { } #endif +#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_INTEL) +extern void perf_restore_debug_store(void); +#else +static inline void perf_restore_debug_store(void) { } +#endif + #define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x)) /* @@ -825,6 +820,7 @@ do { \ struct perf_pmu_events_attr { struct device_attribute attr; u64 id; + const char *event_str; }; #define PMU_EVENT_ATTR(_name, _var, _id, _show) \ diff --git a/include/linux/pinctrl/pinconf.h b/include/linux/pinctrl/pinconf.h index e7a720104a4..1ad4f31ef6b 100644 --- a/include/linux/pinctrl/pinconf.h +++ b/include/linux/pinctrl/pinconf.h @@ -14,6 +14,8 @@ #ifdef CONFIG_PINCONF +#include <linux/pinctrl/machine.h> + struct pinctrl_dev; struct seq_file; @@ -28,6 +30,7 @@ struct seq_file; * @pin_config_set: configure an individual pin * @pin_config_group_get: get configurations for an entire pin group * @pin_config_group_set: configure all pins in a group + * @pin_config_group_dbg_set: optional debugfs to modify a pin configuration * @pin_config_dbg_show: optional debugfs display hook that will provide * per-device info for a certain pin in debugfs * @pin_config_group_dbg_show: optional debugfs display hook that will provide @@ -51,6 +54,9 @@ struct pinconf_ops { int (*pin_config_group_set) (struct pinctrl_dev *pctldev, unsigned selector, unsigned long config); + int (*pin_config_dbg_parse_modify) (struct pinctrl_dev *pctldev, + const char *arg, + unsigned long *config); void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, unsigned offset); diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 778804df293..2c2a9e8d857 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -118,9 +118,9 @@ struct pinctrl_desc { const char *name; struct pinctrl_pin_desc const *pins; unsigned int npins; - struct pinctrl_ops *pctlops; - struct pinmux_ops *pmxops; - struct pinconf_ops *confops; + const struct pinctrl_ops *pctlops; + const struct pinmux_ops *pmxops; + const struct pinconf_ops *confops; struct module *owner; }; diff --git a/include/linux/platform_data/coda.h b/include/linux/platform_data/coda.h new file mode 100644 index 00000000000..6ad4410d9e2 --- /dev/null +++ b/include/linux/platform_data/coda.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) 2013 Philipp Zabel, Pengutronix + * + * 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. + */ +#ifndef PLATFORM_CODA_H +#define PLATFORM_CODA_H + +struct device; + +struct coda_platform_data { + struct device *iram_dev; +}; + +#endif diff --git a/include/linux/platform_data/dwc3-omap.h b/include/linux/platform_data/dwc3-omap.h index ada401244e0..1d36ca874cc 100644 --- a/include/linux/platform_data/dwc3-omap.h +++ b/include/linux/platform_data/dwc3-omap.h @@ -41,7 +41,3 @@ enum dwc3_omap_utmi_mode { DWC3_OMAP_UTMI_MODE_HW, DWC3_OMAP_UTMI_MODE_SW, }; - -struct dwc3_omap_data { - enum dwc3_omap_utmi_mode utmi_mode; -}; diff --git a/include/linux/platform_data/emif_plat.h b/include/linux/platform_data/emif_plat.h index 03378ca8406..5c19a2a647c 100644 --- a/include/linux/platform_data/emif_plat.h +++ b/include/linux/platform_data/emif_plat.h @@ -40,6 +40,7 @@ /* Custom config requests */ #define EMIF_CUSTOM_CONFIG_LPMODE 0x00000001 #define EMIF_CUSTOM_CONFIG_TEMP_ALERT_POLL_INTERVAL 0x00000002 +#define EMIF_CUSTOM_CONFIG_EXTENDED_TEMP_PART 0x00000004 #ifndef __ASSEMBLY__ /** diff --git a/include/linux/platform_data/lp855x.h b/include/linux/platform_data/lp855x.h index 20ee8b221db..ea3200527dd 100644 --- a/include/linux/platform_data/lp855x.h +++ b/include/linux/platform_data/lp855x.h @@ -69,11 +69,6 @@ enum lp855x_chip_id { LP8557, }; -enum lp855x_brightness_ctrl_mode { - PWM_BASED = 1, - REGISTER_BASED, -}; - enum lp8550_brighntess_source { LP8550_PWM_ONLY, LP8550_I2C_ONLY = 2, @@ -116,24 +111,18 @@ struct lp855x_rom_data { /** * struct lp855x_platform_data * @name : Backlight driver name. If it is not defined, default name is set. - * @mode : brightness control by pwm or lp855x register * @device_control : value of DEVICE CONTROL register * @initial_brightness : initial value of backlight brightness * @period_ns : platform specific pwm period value. unit is nano. Only valid when mode is PWM_BASED. - * @load_new_rom_data : - 0 : use default configuration data - 1 : update values of eeprom or eprom registers on loading driver * @size_program : total size of lp855x_rom_data * @rom_data : list of new eeprom/eprom registers */ struct lp855x_platform_data { - char *name; - enum lp855x_brightness_ctrl_mode mode; + const char *name; u8 device_control; - int initial_brightness; + u8 initial_brightness; unsigned int period_ns; - u8 load_new_rom_data; int size_program; struct lp855x_rom_data *rom_data; }; diff --git a/include/linux/platform_data/mv_usb.h b/include/linux/platform_data/mv_usb.h index 944b01dd103..98b7925f1a2 100644 --- a/include/linux/platform_data/mv_usb.h +++ b/include/linux/platform_data/mv_usb.h @@ -34,8 +34,6 @@ struct mv_usb_addon_irq { }; struct mv_usb_platform_data { - unsigned int clknum; - char **clkname; struct mv_usb_addon_irq *id; /* Only valid for OTG. ID pin change*/ struct mv_usb_addon_irq *vbus; /* valid for OTG/UDC. VBUS change*/ diff --git a/include/linux/platform_data/ntc_thermistor.h b/include/linux/platform_data/ntc_thermistor.h index 88734e871e3..c7285b57546 100644 --- a/include/linux/platform_data/ntc_thermistor.h +++ b/include/linux/platform_data/ntc_thermistor.h @@ -21,6 +21,8 @@ #ifndef _LINUX_NTC_H #define _LINUX_NTC_H +struct iio_channel; + enum ntc_thermistor_type { TYPE_NCPXXWB473, TYPE_NCPXXWL333, @@ -39,13 +41,17 @@ struct ntc_thermistor_platform_data { * described at Documentation/hwmon/ntc_thermistor * * pullup/down_ohm: 0 for infinite / not-connected + * + * chan: iio_channel pointer to communicate with the ADC which the + * thermistor is using for conversion of the analog values. */ - int (*read_uV)(void); - unsigned int pullup_uV; + int (*read_uv)(struct ntc_thermistor_platform_data *); + unsigned int pullup_uv; unsigned int pullup_ohm; unsigned int pulldown_ohm; enum { NTC_CONNECTED_POSITIVE, NTC_CONNECTED_GROUND } connect; + struct iio_channel *chan; int (*read_ohm)(void); }; diff --git a/include/linux/platform_data/serial-sccnxp.h b/include/linux/platform_data/serial-sccnxp.h index 215574d1e81..bdc510d0324 100644 --- a/include/linux/platform_data/serial-sccnxp.h +++ b/include/linux/platform_data/serial-sccnxp.h @@ -86,10 +86,6 @@ struct sccnxp_pdata { const u32 mctrl_cfg[SCCNXP_MAX_UARTS]; /* Timer value for polling mode (usecs) */ const unsigned int poll_time_us; - /* Called during startup */ - void (*init)(void); - /* Called before finish */ - void (*exit)(void); }; #endif diff --git a/include/linux/platform_data/si5351.h b/include/linux/platform_data/si5351.h new file mode 100644 index 00000000000..92dabcaf649 --- /dev/null +++ b/include/linux/platform_data/si5351.h @@ -0,0 +1,114 @@ +/* + * Si5351A/B/C programmable clock generator platform_data. + */ + +#ifndef __LINUX_PLATFORM_DATA_SI5351_H__ +#define __LINUX_PLATFORM_DATA_SI5351_H__ + +struct clk; + +/** + * enum si5351_variant - SiLabs Si5351 chip variant + * @SI5351_VARIANT_A: Si5351A (8 output clocks, XTAL input) + * @SI5351_VARIANT_A3: Si5351A MSOP10 (3 output clocks, XTAL input) + * @SI5351_VARIANT_B: Si5351B (8 output clocks, XTAL/VXCO input) + * @SI5351_VARIANT_C: Si5351C (8 output clocks, XTAL/CLKIN input) + */ +enum si5351_variant { + SI5351_VARIANT_A = 1, + SI5351_VARIANT_A3 = 2, + SI5351_VARIANT_B = 3, + SI5351_VARIANT_C = 4, +}; + +/** + * enum si5351_pll_src - Si5351 pll clock source + * @SI5351_PLL_SRC_DEFAULT: default, do not change eeprom config + * @SI5351_PLL_SRC_XTAL: pll source clock is XTAL input + * @SI5351_PLL_SRC_CLKIN: pll source clock is CLKIN input (Si5351C only) + */ +enum si5351_pll_src { + SI5351_PLL_SRC_DEFAULT = 0, + SI5351_PLL_SRC_XTAL = 1, + SI5351_PLL_SRC_CLKIN = 2, +}; + +/** + * enum si5351_multisynth_src - Si5351 multisynth clock source + * @SI5351_MULTISYNTH_SRC_DEFAULT: default, do not change eeprom config + * @SI5351_MULTISYNTH_SRC_VCO0: multisynth source clock is VCO0 + * @SI5351_MULTISYNTH_SRC_VCO1: multisynth source clock is VCO1/VXCO + */ +enum si5351_multisynth_src { + SI5351_MULTISYNTH_SRC_DEFAULT = 0, + SI5351_MULTISYNTH_SRC_VCO0 = 1, + SI5351_MULTISYNTH_SRC_VCO1 = 2, +}; + +/** + * enum si5351_clkout_src - Si5351 clock output clock source + * @SI5351_CLKOUT_SRC_DEFAULT: default, do not change eeprom config + * @SI5351_CLKOUT_SRC_MSYNTH_N: clkout N source clock is multisynth N + * @SI5351_CLKOUT_SRC_MSYNTH_0_4: clkout N source clock is multisynth 0 (N<4) + * or 4 (N>=4) + * @SI5351_CLKOUT_SRC_XTAL: clkout N source clock is XTAL + * @SI5351_CLKOUT_SRC_CLKIN: clkout N source clock is CLKIN (Si5351C only) + */ +enum si5351_clkout_src { + SI5351_CLKOUT_SRC_DEFAULT = 0, + SI5351_CLKOUT_SRC_MSYNTH_N = 1, + SI5351_CLKOUT_SRC_MSYNTH_0_4 = 2, + SI5351_CLKOUT_SRC_XTAL = 3, + SI5351_CLKOUT_SRC_CLKIN = 4, +}; + +/** + * enum si5351_drive_strength - Si5351 clock output drive strength + * @SI5351_DRIVE_DEFAULT: default, do not change eeprom config + * @SI5351_DRIVE_2MA: 2mA clock output drive strength + * @SI5351_DRIVE_4MA: 4mA clock output drive strength + * @SI5351_DRIVE_6MA: 6mA clock output drive strength + * @SI5351_DRIVE_8MA: 8mA clock output drive strength + */ +enum si5351_drive_strength { + SI5351_DRIVE_DEFAULT = 0, + SI5351_DRIVE_2MA = 2, + SI5351_DRIVE_4MA = 4, + SI5351_DRIVE_6MA = 6, + SI5351_DRIVE_8MA = 8, +}; + +/** + * struct si5351_clkout_config - Si5351 clock output configuration + * @clkout: clkout number + * @multisynth_src: multisynth source clock + * @clkout_src: clkout source clock + * @pll_master: if true, clkout can also change pll rate + * @drive: output drive strength + * @rate: initial clkout rate, or default if 0 + */ +struct si5351_clkout_config { + enum si5351_multisynth_src multisynth_src; + enum si5351_clkout_src clkout_src; + enum si5351_drive_strength drive; + bool pll_master; + unsigned long rate; +}; + +/** + * struct si5351_platform_data - Platform data for the Si5351 clock driver + * @variant: Si5351 chip variant + * @clk_xtal: xtal input clock + * @clk_clkin: clkin input clock + * @pll_src: array of pll source clock setting + * @clkout: array of clkout configuration + */ +struct si5351_platform_data { + enum si5351_variant variant; + struct clk *clk_xtal; + struct clk *clk_clkin; + enum si5351_pll_src pll_src[2]; + struct si5351_clkout_config clkout[8]; +}; + +#endif diff --git a/include/linux/platform_data/spi-s3c64xx.h b/include/linux/platform_data/spi-s3c64xx.h index ceba18d23a5..8447f634c7f 100644 --- a/include/linux/platform_data/spi-s3c64xx.h +++ b/include/linux/platform_data/spi-s3c64xx.h @@ -11,6 +11,8 @@ #ifndef __S3C64XX_PLAT_SPI_H #define __S3C64XX_PLAT_SPI_H +#include <linux/dmaengine.h> + struct platform_device; /** @@ -38,6 +40,7 @@ struct s3c64xx_spi_info { int src_clk_nr; int num_cs; int (*cfg_gpio)(void); + dma_filter_fn filter; }; /** diff --git a/include/linux/platform_data/video-vt8500lcdfb.h b/include/linux/platform_data/video-vt8500lcdfb.h deleted file mode 100644 index 7f399c370fe..00000000000 --- a/include/linux/platform_data/video-vt8500lcdfb.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * VT8500/WM8505 Frame Buffer platform data definitions - * - * Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.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 _VT8500FB_H -#define _VT8500FB_H - -#include <linux/fb.h> - -struct vt8500fb_platform_data { - struct fb_videomode mode; - u32 xres_virtual; - u32 yres_virtual; - u32 bpp; - unsigned long video_mem_phys; - void *video_mem_virt; - unsigned long video_mem_len; -}; - -#endif /* _VT8500FB_H */ diff --git a/include/linux/platform_data/video_s3c.h b/include/linux/platform_data/video_s3c.h new file mode 100644 index 00000000000..48883995f47 --- /dev/null +++ b/include/linux/platform_data/video_s3c.h @@ -0,0 +1,54 @@ +#ifndef __PLATFORM_DATA_VIDEO_S3C +#define __PLATFORM_DATA_VIDEO_S3C + +/* S3C_FB_MAX_WIN + * Set to the maximum number of windows that any of the supported hardware + * can use. Since the platform data uses this for an array size, having it + * set to the maximum of any version of the hardware can do is safe. + */ +#define S3C_FB_MAX_WIN (5) + +/** + * struct s3c_fb_pd_win - per window setup data + * @xres : The window X size. + * @yres : The window Y size. + * @virtual_x: The virtual X size. + * @virtual_y: The virtual Y size. + */ +struct s3c_fb_pd_win { + unsigned short default_bpp; + unsigned short max_bpp; + unsigned short xres; + unsigned short yres; + unsigned short virtual_x; + unsigned short virtual_y; +}; + +/** + * struct s3c_fb_platdata - S3C driver platform specific information + * @setup_gpio: Setup the external GPIO pins to the right state to transfer + * the data from the display system to the connected display + * device. + * @vidcon0: The base vidcon0 values to control the panel data format. + * @vidcon1: The base vidcon1 values to control the panel data output. + * @vtiming: Video timing when connected to a RGB type panel. + * @win: The setup data for each hardware window, or NULL for unused. + * @display_mode: The LCD output display mode. + * + * The platform data supplies the video driver with all the information + * it requires to work with the display(s) attached to the machine. It + * controls the initial mode, the number of display windows (0 is always + * the base framebuffer) that are initialised etc. + * + */ +struct s3c_fb_platdata { + void (*setup_gpio)(void); + + struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN]; + struct fb_videomode *vtiming; + + u32 vidcon0; + u32 vidcon1; +}; + +#endif diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index c082c71f722..9abf1db6aea 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -20,12 +20,12 @@ struct mfd_cell; struct platform_device { - const char * name; + const char *name; int id; bool id_auto; struct device dev; u32 num_resources; - struct resource * resource; + struct resource *resource; const struct platform_device_id *id_entry; @@ -47,9 +47,12 @@ extern struct bus_type platform_bus_type; extern struct device platform_bus; extern void arch_setup_pdev_archdata(struct platform_device *); -extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int); +extern struct resource *platform_get_resource(struct platform_device *, + unsigned int, unsigned int); extern int platform_get_irq(struct platform_device *, unsigned int); -extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, const char *); +extern struct resource *platform_get_resource_byname(struct platform_device *, + unsigned int, + const char *); extern int platform_get_irq_byname(struct platform_device *, const char *); extern int platform_add_devices(struct platform_device **, int); @@ -161,7 +164,8 @@ extern struct platform_device *platform_device_alloc(const char *name, int id); extern int platform_device_add_resources(struct platform_device *pdev, const struct resource *res, unsigned int num); -extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); +extern int platform_device_add_data(struct platform_device *pdev, + const void *data, size_t size); extern int platform_device_add(struct platform_device *pdev); extern void platform_device_del(struct platform_device *pdev); extern void platform_device_put(struct platform_device *pdev); @@ -190,7 +194,8 @@ 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) +static inline void platform_set_drvdata(struct platform_device *pdev, + void *data) { dev_set_drvdata(&pdev->dev, data); } @@ -222,10 +227,10 @@ static void __exit __platform_driver##_exit(void) \ } \ module_exit(__platform_driver##_exit); -extern struct platform_device *platform_create_bundle(struct platform_driver *driver, - int (*probe)(struct platform_device *), - struct resource *res, unsigned int n_res, - const void *data, size_t size); +extern struct platform_device *platform_create_bundle( + struct platform_driver *driver, int (*probe)(struct platform_device *), + struct resource *res, unsigned int n_res, + const void *data, size_t size); /* early platform driver interface */ struct early_platform_driver { diff --git a/include/linux/preempt.h b/include/linux/preempt.h index 5a710b9c578..87a03c746f1 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -93,14 +93,20 @@ do { \ #else /* !CONFIG_PREEMPT_COUNT */ -#define preempt_disable() do { } while (0) -#define sched_preempt_enable_no_resched() do { } while (0) -#define preempt_enable_no_resched() do { } while (0) -#define preempt_enable() do { } while (0) - -#define preempt_disable_notrace() do { } while (0) -#define preempt_enable_no_resched_notrace() do { } while (0) -#define preempt_enable_notrace() do { } while (0) +/* + * Even if we don't have any preemption, we need preempt disable/enable + * to be barriers, so that we don't have things like get_user/put_user + * that can cause faults and scheduling migrate into our preempt-protected + * region. + */ +#define preempt_disable() barrier() +#define sched_preempt_enable_no_resched() barrier() +#define preempt_enable_no_resched() barrier() +#define preempt_enable() barrier() + +#define preempt_disable_notrace() barrier() +#define preempt_enable_no_resched_notrace() barrier() +#define preempt_enable_notrace() barrier() #endif /* CONFIG_PREEMPT_COUNT */ diff --git a/include/linux/printk.h b/include/linux/printk.h index 1249a54d17e..4890fe62c01 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -1,6 +1,7 @@ #ifndef __KERNEL_PRINTK__ #define __KERNEL_PRINTK__ +#include <stdarg.h> #include <linux/init.h> #include <linux/kern_levels.h> @@ -95,8 +96,14 @@ int no_printk(const char *fmt, ...) return 0; } +#ifdef CONFIG_EARLY_PRINTK extern asmlinkage __printf(1, 2) void early_printk(const char *fmt, ...); +void early_vprintk(const char *fmt, va_list ap); +#else +static inline __printf(1, 2) __cold +void early_printk(const char *s, ...) { } +#endif #ifdef CONFIG_PRINTK asmlinkage __printf(5, 0) @@ -134,6 +141,8 @@ extern int printk_delay_msec; extern int dmesg_restrict; extern int kptr_restrict; +extern void wake_up_klogd(void); + void log_buf_kexec_setup(void); void __init setup_log_buf(int early); #else @@ -162,6 +171,10 @@ static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, return false; } +static inline void wake_up_klogd(void) +{ +} + static inline void log_buf_kexec_setup(void) { } diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 8307f2f94d8..94dfb2aa553 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -117,6 +117,7 @@ struct proc_dir_entry *proc_create_data(const char *name, umode_t mode, const struct file_operations *proc_fops, void *data); extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent); +extern int remove_proc_subtree(const char *name, struct proc_dir_entry *parent); struct pid_namespace; @@ -202,6 +203,7 @@ static inline struct proc_dir_entry *proc_create_data(const char *name, return NULL; } #define remove_proc_entry(name, parent) do {} while (0) +#define remove_proc_subtree(name, parent) do {} while (0) static inline struct proc_dir_entry *proc_symlink(const char *name, struct proc_dir_entry *parent,const char *dest) {return NULL;} diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h index 5bf5500db83..69e37c2d1ea 100644 --- a/include/linux/ramfs.h +++ b/include/linux/ramfs.h @@ -6,7 +6,13 @@ struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir, extern struct dentry *ramfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data); -#ifndef CONFIG_MMU +#ifdef CONFIG_MMU +static inline int +ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize) +{ + return 0; +} +#else extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize); extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file, unsigned long addr, diff --git a/include/linux/rculist_bl.h b/include/linux/rculist_bl.h index cf1244fbf3b..4f216c59e7d 100644 --- a/include/linux/rculist_bl.h +++ b/include/linux/rculist_bl.h @@ -20,7 +20,7 @@ static inline void hlist_bl_set_first_rcu(struct hlist_bl_head *h, static inline struct hlist_bl_node *hlist_bl_first_rcu(struct hlist_bl_head *h) { return (struct hlist_bl_node *) - ((unsigned long)rcu_dereference(h->first) & ~LIST_BL_LOCKMASK); + ((unsigned long)rcu_dereference_check(h->first, hlist_bl_is_locked(h)) & ~LIST_BL_LOCKMASK); } /** diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index b758ce17b30..9ed2c9a4de4 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -80,6 +80,7 @@ extern void do_trace_rcu_torture_read(char *rcutorturename, #define UINT_CMP_LT(a, b) (UINT_MAX / 2 < (a) - (b)) #define ULONG_CMP_GE(a, b) (ULONG_MAX / 2 >= (a) - (b)) #define ULONG_CMP_LT(a, b) (ULONG_MAX / 2 < (a) - (b)) +#define ulong2long(a) (*(long *)(&(a))) /* Exported common interfaces */ diff --git a/include/linux/regmap.h b/include/linux/regmap.h index bf77dfdabef..02d84e24b7c 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -389,6 +389,7 @@ int regmap_update_bits_check(struct regmap *map, unsigned int reg, bool *change); int regmap_get_val_bytes(struct regmap *map); int regmap_async_complete(struct regmap *map); +bool regmap_can_raw_write(struct regmap *map); int regcache_sync(struct regmap *map); int regcache_sync_region(struct regmap *map, unsigned int min, diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h index 7bd73bbdfd1..7c5ff0c5577 100644 --- a/include/linux/regulator/ab8500.h +++ b/include/linux/regulator/ab8500.h @@ -5,11 +5,14 @@ * * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson + * Daniel Willerud <daniel.willerud@stericsson.com> for ST-Ericsson */ #ifndef __LINUX_MFD_AB8500_REGULATOR_H #define __LINUX_MFD_AB8500_REGULATOR_H +#include <linux/platform_device.h> + /* AB8500 regulators */ enum ab8500_regulator_id { AB8500_LDO_AUX1, @@ -17,7 +20,6 @@ enum ab8500_regulator_id { AB8500_LDO_AUX3, AB8500_LDO_INTCORE, AB8500_LDO_TVOUT, - AB8500_LDO_USB, AB8500_LDO_AUDIO, AB8500_LDO_ANAMIC1, AB8500_LDO_ANAMIC2, @@ -26,7 +28,28 @@ enum ab8500_regulator_id { AB8500_NUM_REGULATORS, }; -/* AB9450 regulators */ +/* AB8505 regulators */ +enum ab8505_regulator_id { + AB8505_LDO_AUX1, + AB8505_LDO_AUX2, + AB8505_LDO_AUX3, + AB8505_LDO_AUX4, + AB8505_LDO_AUX5, + AB8505_LDO_AUX6, + AB8505_LDO_INTCORE, + AB8505_LDO_ADC, + AB8505_LDO_USB, + AB8505_LDO_AUDIO, + AB8505_LDO_ANAMIC1, + AB8505_LDO_ANAMIC2, + AB8505_LDO_AUX8, + AB8505_LDO_ANA, + AB8505_SYSCLKREQ_2, + AB8505_SYSCLKREQ_4, + AB8505_NUM_REGULATORS, +}; + +/* AB9540 regulators */ enum ab9540_regulator_id { AB9540_LDO_AUX1, AB9540_LDO_AUX2, @@ -45,16 +68,39 @@ enum ab9540_regulator_id { AB9540_NUM_REGULATORS, }; -/* AB8500 and AB9540 register initialization */ +/* AB8540 regulators */ +enum ab8540_regulator_id { + AB8540_LDO_AUX1, + AB8540_LDO_AUX2, + AB8540_LDO_AUX3, + AB8540_LDO_AUX4, + AB8540_LDO_AUX5, + AB8540_LDO_AUX6, + AB8540_LDO_INTCORE, + AB8540_LDO_TVOUT, + AB8540_LDO_AUDIO, + AB8540_LDO_ANAMIC1, + AB8540_LDO_ANAMIC2, + AB8540_LDO_DMIC, + AB8540_LDO_ANA, + AB8540_LDO_SDIO, + AB8540_SYSCLKREQ_2, + AB8540_SYSCLKREQ_4, + AB8540_NUM_REGULATORS, +}; + +/* AB8500, AB8505, and AB9540 register initialization */ struct ab8500_regulator_reg_init { int id; + u8 mask; u8 value; }; -#define INIT_REGULATOR_REGISTER(_id, _value) \ - { \ - .id = _id, \ - .value = _value, \ +#define INIT_REGULATOR_REGISTER(_id, _mask, _value) \ + { \ + .id = _id, \ + .mask = _mask, \ + .value = _value, \ } /* AB8500 registers */ @@ -86,10 +132,58 @@ enum ab8500_regulator_reg { AB8500_REGUCTRL2SPARE, AB8500_REGUCTRLDISCH, AB8500_REGUCTRLDISCH2, - AB8500_VSMPS1SEL1, AB8500_NUM_REGULATOR_REGISTERS, }; +/* AB8505 registers */ +enum ab8505_regulator_reg { + AB8505_REGUREQUESTCTRL1, + AB8505_REGUREQUESTCTRL2, + AB8505_REGUREQUESTCTRL3, + AB8505_REGUREQUESTCTRL4, + AB8505_REGUSYSCLKREQ1HPVALID1, + AB8505_REGUSYSCLKREQ1HPVALID2, + AB8505_REGUHWHPREQ1VALID1, + AB8505_REGUHWHPREQ1VALID2, + AB8505_REGUHWHPREQ2VALID1, + AB8505_REGUHWHPREQ2VALID2, + AB8505_REGUSWHPREQVALID1, + AB8505_REGUSWHPREQVALID2, + AB8505_REGUSYSCLKREQVALID1, + AB8505_REGUSYSCLKREQVALID2, + AB8505_REGUVAUX4REQVALID, + AB8505_REGUMISC1, + AB8505_VAUDIOSUPPLY, + AB8505_REGUCTRL1VAMIC, + AB8505_VSMPSAREGU, + AB8505_VSMPSBREGU, + AB8505_VSAFEREGU, /* NOTE! PRCMU register */ + AB8505_VPLLVANAREGU, + AB8505_EXTSUPPLYREGU, + AB8505_VAUX12REGU, + AB8505_VRF1VAUX3REGU, + AB8505_VSMPSASEL1, + AB8505_VSMPSASEL2, + AB8505_VSMPSASEL3, + AB8505_VSMPSBSEL1, + AB8505_VSMPSBSEL2, + AB8505_VSMPSBSEL3, + AB8505_VSAFESEL1, /* NOTE! PRCMU register */ + AB8505_VSAFESEL2, /* NOTE! PRCMU register */ + AB8505_VSAFESEL3, /* NOTE! PRCMU register */ + AB8505_VAUX1SEL, + AB8505_VAUX2SEL, + AB8505_VRF1VAUX3SEL, + AB8505_VAUX4REQCTRL, + AB8505_VAUX4REGU, + AB8505_VAUX4SEL, + AB8505_REGUCTRLDISCH, + AB8505_REGUCTRLDISCH2, + AB8505_REGUCTRLDISCH3, + AB8505_CTRLVAUX5, + AB8505_CTRLVAUX6, + AB8505_NUM_REGULATOR_REGISTERS, +}; /* AB9540 registers */ enum ab9540_regulator_reg { @@ -139,4 +233,111 @@ enum ab9540_regulator_reg { AB9540_NUM_REGULATOR_REGISTERS, }; +/* AB8540 registers */ +enum ab8540_regulator_reg { + AB8540_REGUREQUESTCTRL1, + AB8540_REGUREQUESTCTRL2, + AB8540_REGUREQUESTCTRL3, + AB8540_REGUREQUESTCTRL4, + AB8540_REGUSYSCLKREQ1HPVALID1, + AB8540_REGUSYSCLKREQ1HPVALID2, + AB8540_REGUHWHPREQ1VALID1, + AB8540_REGUHWHPREQ1VALID2, + AB8540_REGUHWHPREQ2VALID1, + AB8540_REGUHWHPREQ2VALID2, + AB8540_REGUSWHPREQVALID1, + AB8540_REGUSWHPREQVALID2, + AB8540_REGUSYSCLKREQVALID1, + AB8540_REGUSYSCLKREQVALID2, + AB8540_REGUVAUX4REQVALID, + AB8540_REGUVAUX5REQVALID, + AB8540_REGUVAUX6REQVALID, + AB8540_REGUVCLKBREQVALID, + AB8540_REGUVRF1REQVALID, + AB8540_REGUMISC1, + AB8540_VAUDIOSUPPLY, + AB8540_REGUCTRL1VAMIC, + AB8540_VHSIC, + AB8540_VSDIO, + AB8540_VSMPS1REGU, + AB8540_VSMPS2REGU, + AB8540_VSMPS3REGU, + AB8540_VPLLVANAREGU, + AB8540_EXTSUPPLYREGU, + AB8540_VAUX12REGU, + AB8540_VRF1VAUX3REGU, + AB8540_VSMPS1SEL1, + AB8540_VSMPS1SEL2, + AB8540_VSMPS1SEL3, + AB8540_VSMPS2SEL1, + AB8540_VSMPS2SEL2, + AB8540_VSMPS2SEL3, + AB8540_VSMPS3SEL1, + AB8540_VSMPS3SEL2, + AB8540_VAUX1SEL, + AB8540_VAUX2SEL, + AB8540_VRF1VAUX3SEL, + AB8540_REGUCTRL2SPARE, + AB8540_VAUX4REQCTRL, + AB8540_VAUX4REGU, + AB8540_VAUX4SEL, + AB8540_VAUX5REQCTRL, + AB8540_VAUX5REGU, + AB8540_VAUX5SEL, + AB8540_VAUX6REQCTRL, + AB8540_VAUX6REGU, + AB8540_VAUX6SEL, + AB8540_VCLKBREQCTRL, + AB8540_VCLKBREGU, + AB8540_VCLKBSEL, + AB8540_VRF1REQCTRL, + AB8540_REGUCTRLDISCH, + AB8540_REGUCTRLDISCH2, + AB8540_REGUCTRLDISCH3, + AB8540_REGUCTRLDISCH4, + AB8540_VSIMSYSCLKCTRL, + AB8540_VANAVPLLSEL, + AB8540_NUM_REGULATOR_REGISTERS, +}; + +/* AB8500 external regulators */ +struct ab8500_ext_regulator_cfg { + bool hwreq; /* requires hw mode or high power mode */ +}; + +enum ab8500_ext_regulator_id { + AB8500_EXT_SUPPLY1, + AB8500_EXT_SUPPLY2, + AB8500_EXT_SUPPLY3, + AB8500_NUM_EXT_REGULATORS, +}; + +/* AB8500 regulator platform data */ +struct ab8500_regulator_platform_data { + int num_reg_init; + struct ab8500_regulator_reg_init *reg_init; + int num_regulator; + struct regulator_init_data *regulator; + int num_ext_regulator; + struct regulator_init_data *ext_regulator; +}; + +#ifdef CONFIG_REGULATOR_AB8500_DEBUG +int ab8500_regulator_debug_init(struct platform_device *pdev); +int ab8500_regulator_debug_exit(struct platform_device *pdev); +#else +static inline int ab8500_regulator_debug_init(struct platform_device *pdev) +{ + return 0; +} +static inline int ab8500_regulator_debug_exit(struct platform_device *pdev) +{ + return 0; +} +#endif + +/* AB8500 external regulator functions. */ +int ab8500_ext_regulator_init(struct platform_device *pdev); +void ab8500_ext_regulator_exit(struct platform_device *pdev); + #endif diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 7bc732ce6e5..145022a8308 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -141,18 +141,18 @@ void regulator_put(struct regulator *regulator); void devm_regulator_put(struct regulator *regulator); /* regulator output control and status */ -int regulator_enable(struct regulator *regulator); +int __must_check regulator_enable(struct regulator *regulator); int regulator_disable(struct regulator *regulator); int regulator_force_disable(struct regulator *regulator); int regulator_is_enabled(struct regulator *regulator); int regulator_disable_deferred(struct regulator *regulator, int ms); -int regulator_bulk_get(struct device *dev, int num_consumers, - struct regulator_bulk_data *consumers); -int devm_regulator_bulk_get(struct device *dev, int num_consumers, - struct regulator_bulk_data *consumers); -int regulator_bulk_enable(int num_consumers, - struct regulator_bulk_data *consumers); +int __must_check regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers); +int __must_check devm_regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers); +int __must_check regulator_bulk_enable(int num_consumers, + struct regulator_bulk_data *consumers); int regulator_bulk_disable(int num_consumers, struct regulator_bulk_data *consumers); int regulator_bulk_force_disable(int num_consumers, diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 23070fd8387..6700cc94bdd 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -22,6 +22,7 @@ struct regmap; struct regulator_dev; struct regulator_init_data; +struct regulator_enable_gpio; enum regulator_status { REGULATOR_STATUS_OFF, @@ -199,6 +200,10 @@ enum regulator_type { * output when using regulator_set_voltage_sel_regmap * @enable_reg: Register for control when using regmap enable/disable ops * @enable_mask: Mask for control when using regmap enable/disable ops + * @enable_is_inverted: A flag to indicate set enable_mask bits to disable + * when using regulator_enable_regmap and friends APIs. + * @bypass_reg: Register for control when using regmap set_bypass + * @bypass_mask: Mask for control when using regmap set_bypass * * @enable_time: Time taken for initial enable of regulator (in uS). */ @@ -226,6 +231,7 @@ struct regulator_desc { unsigned int apply_bit; unsigned int enable_reg; unsigned int enable_mask; + bool enable_is_inverted; unsigned int bypass_reg; unsigned int bypass_mask; @@ -300,8 +306,7 @@ struct regulator_dev { struct dentry *debugfs; - int ena_gpio; - unsigned int ena_gpio_invert:1; + struct regulator_enable_gpio *ena_pin; unsigned int ena_gpio_state:1; }; @@ -327,6 +332,8 @@ int regulator_map_voltage_linear(struct regulator_dev *rdev, int min_uV, int max_uV); int regulator_map_voltage_iterate(struct regulator_dev *rdev, int min_uV, int max_uV); +int regulator_map_voltage_ascend(struct regulator_dev *rdev, + int min_uV, int max_uV); int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev); int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel); int regulator_is_enabled_regmap(struct regulator_dev *rdev); diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h index 45e42855ad0..4dbb63a1d4a 100644 --- a/include/linux/regulator/max8952.h +++ b/include/linux/regulator/max8952.h @@ -122,13 +122,13 @@ struct max8952_platform_data { int gpio_vid1; int gpio_en; - u8 default_mode; - u8 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ + u32 default_mode; + u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */ - u8 sync_freq; - u8 ramp_speed; + u32 sync_freq; + u32 ramp_speed; - struct regulator_init_data reg_data; + struct regulator_init_data *reg_data; }; diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h index 5ae8456d967..96a509b6be0 100644 --- a/include/linux/res_counter.h +++ b/include/linux/res_counter.h @@ -13,7 +13,8 @@ * info about what this counter is. */ -#include <linux/cgroup.h> +#include <linux/spinlock.h> +#include <linux/errno.h> /* * The core object. the cgroup that wishes to account for some diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 1342e69542f..d69cf637a15 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -4,6 +4,7 @@ #include <linux/kmemcheck.h> #include <linux/mm.h> #include <linux/seq_file.h> +#include <linux/poll.h> struct ring_buffer; struct ring_buffer_iter; @@ -96,6 +97,11 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k __ring_buffer_alloc((size), (flags), &__key); \ }) +void ring_buffer_wait(struct ring_buffer *buffer, int cpu); +int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, + struct file *filp, poll_table *poll_table); + + #define RING_BUFFER_ALL_CPUS -1 void ring_buffer_free(struct ring_buffer *buffer); diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 580b24c8b8c..c2c28975293 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -133,7 +133,13 @@ extern struct rtc_device *rtc_device_register(const char *name, struct device *dev, const struct rtc_class_ops *ops, struct module *owner); +extern struct rtc_device *devm_rtc_device_register(struct device *dev, + const char *name, + const struct rtc_class_ops *ops, + struct module *owner); extern void rtc_device_unregister(struct rtc_device *rtc); +extern void devm_rtc_device_unregister(struct device *dev, + 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); diff --git a/include/linux/sched.h b/include/linux/sched.h index a25168f4ab8..01c7d85bcaa 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -151,9 +151,10 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq); #define TASK_DEAD 64 #define TASK_WAKEKILL 128 #define TASK_WAKING 256 -#define TASK_STATE_MAX 512 +#define TASK_PARKED 512 +#define TASK_STATE_MAX 1024 -#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKW" +#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP" extern char ___assert_task_state[1 - 2*!!( sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)]; @@ -308,7 +309,6 @@ extern signed long schedule_timeout_killable(signed long timeout); extern signed long schedule_timeout_uninterruptible(signed long timeout); asmlinkage void schedule(void); extern void schedule_preempt_disabled(void); -extern int mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner); struct nsproxy; struct user_namespace; @@ -1628,7 +1628,7 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, #define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */ #define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */ #define PF_SPREAD_SLAB 0x02000000 /* Spread some slab caches over cpuset */ -#define PF_THREAD_BOUND 0x04000000 /* Thread bound to specific cpu */ +#define PF_NO_SETAFFINITY 0x04000000 /* Userland is not allowed to meddle with cpus_allowed */ #define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */ #define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */ #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ diff --git a/include/linux/security.h b/include/linux/security.h index eee7478cda7..032c366ef1c 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -1012,6 +1012,10 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * This hook can be used by the module to update any security state * associated with the TUN device's security structure. * @security pointer to the TUN devices's security structure. + * @skb_owned_by: + * This hook sets the packet's owning sock. + * @skb is the packet. + * @sk the sock which owns the packet. * * Security hooks for XFRM operations. * @@ -1638,6 +1642,7 @@ struct security_operations { int (*tun_dev_attach_queue) (void *security); int (*tun_dev_attach) (struct sock *sk, void *security); int (*tun_dev_open) (void *security); + void (*skb_owned_by) (struct sk_buff *skb, struct sock *sk); #endif /* CONFIG_SECURITY_NETWORK */ #ifdef CONFIG_SECURITY_NETWORK_XFRM @@ -2588,6 +2593,8 @@ int security_tun_dev_attach_queue(void *security); int security_tun_dev_attach(struct sock *sk, void *security); int security_tun_dev_open(void *security); +void security_skb_owned_by(struct sk_buff *skb, struct sock *sk); + #else /* CONFIG_SECURITY_NETWORK */ static inline int security_unix_stream_connect(struct sock *sock, struct sock *other, @@ -2779,6 +2786,11 @@ static inline int security_tun_dev_open(void *security) { return 0; } + +static inline void security_skb_owned_by(struct sk_buff *skb, struct sock *sk) +{ +} + #endif /* CONFIG_SECURITY_NETWORK */ #ifdef CONFIG_SECURITY_NETWORK_XFRM diff --git a/include/linux/serial_s3c.h b/include/linux/serial_s3c.h new file mode 100644 index 00000000000..907d9d1d56c --- /dev/null +++ b/include/linux/serial_s3c.h @@ -0,0 +1,260 @@ +/* + * Internal header file for Samsung S3C2410 serial ports (UART0-2) + * + * Copyright (C) 2002 Shane Nay (shane@minirl.com) + * + * Additional defines, Copyright 2003 Simtec Electronics (linux@simtec.co.uk) + * + * Adapted from: + * + * Internal header file for MX1ADS serial ports (UART1 & 2) + * + * Copyright (C) 2002 Shane Nay (shane@minirl.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef __ASM_ARM_REGS_SERIAL_H +#define __ASM_ARM_REGS_SERIAL_H + +#define S3C2410_URXH (0x24) +#define S3C2410_UTXH (0x20) +#define S3C2410_ULCON (0x00) +#define S3C2410_UCON (0x04) +#define S3C2410_UFCON (0x08) +#define S3C2410_UMCON (0x0C) +#define S3C2410_UBRDIV (0x28) +#define S3C2410_UTRSTAT (0x10) +#define S3C2410_UERSTAT (0x14) +#define S3C2410_UFSTAT (0x18) +#define S3C2410_UMSTAT (0x1C) + +#define S3C2410_LCON_CFGMASK ((0xF<<3)|(0x3)) + +#define S3C2410_LCON_CS5 (0x0) +#define S3C2410_LCON_CS6 (0x1) +#define S3C2410_LCON_CS7 (0x2) +#define S3C2410_LCON_CS8 (0x3) +#define S3C2410_LCON_CSMASK (0x3) + +#define S3C2410_LCON_PNONE (0x0) +#define S3C2410_LCON_PEVEN (0x5 << 3) +#define S3C2410_LCON_PODD (0x4 << 3) +#define S3C2410_LCON_PMASK (0x7 << 3) + +#define S3C2410_LCON_STOPB (1<<2) +#define S3C2410_LCON_IRM (1<<6) + +#define S3C2440_UCON_CLKMASK (3<<10) +#define S3C2440_UCON_CLKSHIFT (10) +#define S3C2440_UCON_PCLK (0<<10) +#define S3C2440_UCON_UCLK (1<<10) +#define S3C2440_UCON_PCLK2 (2<<10) +#define S3C2440_UCON_FCLK (3<<10) +#define S3C2443_UCON_EPLL (3<<10) + +#define S3C6400_UCON_CLKMASK (3<<10) +#define S3C6400_UCON_CLKSHIFT (10) +#define S3C6400_UCON_PCLK (0<<10) +#define S3C6400_UCON_PCLK2 (2<<10) +#define S3C6400_UCON_UCLK0 (1<<10) +#define S3C6400_UCON_UCLK1 (3<<10) + +#define S3C2440_UCON2_FCLK_EN (1<<15) +#define S3C2440_UCON0_DIVMASK (15 << 12) +#define S3C2440_UCON1_DIVMASK (15 << 12) +#define S3C2440_UCON2_DIVMASK (7 << 12) +#define S3C2440_UCON_DIVSHIFT (12) + +#define S3C2412_UCON_CLKMASK (3<<10) +#define S3C2412_UCON_CLKSHIFT (10) +#define S3C2412_UCON_UCLK (1<<10) +#define S3C2412_UCON_USYSCLK (3<<10) +#define S3C2412_UCON_PCLK (0<<10) +#define S3C2412_UCON_PCLK2 (2<<10) + +#define S3C2410_UCON_CLKMASK (1 << 10) +#define S3C2410_UCON_CLKSHIFT (10) +#define S3C2410_UCON_UCLK (1<<10) +#define S3C2410_UCON_SBREAK (1<<4) + +#define S3C2410_UCON_TXILEVEL (1<<9) +#define S3C2410_UCON_RXILEVEL (1<<8) +#define S3C2410_UCON_TXIRQMODE (1<<2) +#define S3C2410_UCON_RXIRQMODE (1<<0) +#define S3C2410_UCON_RXFIFO_TOI (1<<7) +#define S3C2443_UCON_RXERR_IRQEN (1<<6) +#define S3C2443_UCON_LOOPBACK (1<<5) + +#define S3C2410_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ + S3C2410_UCON_RXILEVEL | \ + S3C2410_UCON_TXIRQMODE | \ + S3C2410_UCON_RXIRQMODE | \ + S3C2410_UCON_RXFIFO_TOI) + +#define S3C2410_UFCON_FIFOMODE (1<<0) +#define S3C2410_UFCON_TXTRIG0 (0<<6) +#define S3C2410_UFCON_RXTRIG8 (1<<4) +#define S3C2410_UFCON_RXTRIG12 (2<<4) + +/* S3C2440 FIFO trigger levels */ +#define S3C2440_UFCON_RXTRIG1 (0<<4) +#define S3C2440_UFCON_RXTRIG8 (1<<4) +#define S3C2440_UFCON_RXTRIG16 (2<<4) +#define S3C2440_UFCON_RXTRIG32 (3<<4) + +#define S3C2440_UFCON_TXTRIG0 (0<<6) +#define S3C2440_UFCON_TXTRIG16 (1<<6) +#define S3C2440_UFCON_TXTRIG32 (2<<6) +#define S3C2440_UFCON_TXTRIG48 (3<<6) + +#define S3C2410_UFCON_RESETBOTH (3<<1) +#define S3C2410_UFCON_RESETTX (1<<2) +#define S3C2410_UFCON_RESETRX (1<<1) + +#define S3C2410_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ + S3C2410_UFCON_TXTRIG0 | \ + S3C2410_UFCON_RXTRIG8 ) + +#define S3C2410_UMCOM_AFC (1<<4) +#define S3C2410_UMCOM_RTS_LOW (1<<0) + +#define S3C2412_UMCON_AFC_63 (0<<5) /* same as s3c2443 */ +#define S3C2412_UMCON_AFC_56 (1<<5) +#define S3C2412_UMCON_AFC_48 (2<<5) +#define S3C2412_UMCON_AFC_40 (3<<5) +#define S3C2412_UMCON_AFC_32 (4<<5) +#define S3C2412_UMCON_AFC_24 (5<<5) +#define S3C2412_UMCON_AFC_16 (6<<5) +#define S3C2412_UMCON_AFC_8 (7<<5) + +#define S3C2410_UFSTAT_TXFULL (1<<9) +#define S3C2410_UFSTAT_RXFULL (1<<8) +#define S3C2410_UFSTAT_TXMASK (15<<4) +#define S3C2410_UFSTAT_TXSHIFT (4) +#define S3C2410_UFSTAT_RXMASK (15<<0) +#define S3C2410_UFSTAT_RXSHIFT (0) + +/* UFSTAT S3C2443 same as S3C2440 */ +#define S3C2440_UFSTAT_TXFULL (1<<14) +#define S3C2440_UFSTAT_RXFULL (1<<6) +#define S3C2440_UFSTAT_TXSHIFT (8) +#define S3C2440_UFSTAT_RXSHIFT (0) +#define S3C2440_UFSTAT_TXMASK (63<<8) +#define S3C2440_UFSTAT_RXMASK (63) + +#define S3C2410_UTRSTAT_TXE (1<<2) +#define S3C2410_UTRSTAT_TXFE (1<<1) +#define S3C2410_UTRSTAT_RXDR (1<<0) + +#define S3C2410_UERSTAT_OVERRUN (1<<0) +#define S3C2410_UERSTAT_FRAME (1<<2) +#define S3C2410_UERSTAT_BREAK (1<<3) +#define S3C2443_UERSTAT_PARITY (1<<1) + +#define S3C2410_UERSTAT_ANY (S3C2410_UERSTAT_OVERRUN | \ + S3C2410_UERSTAT_FRAME | \ + S3C2410_UERSTAT_BREAK) + +#define S3C2410_UMSTAT_CTS (1<<0) +#define S3C2410_UMSTAT_DeltaCTS (1<<2) + +#define S3C2443_DIVSLOT (0x2C) + +/* S3C64XX interrupt registers. */ +#define S3C64XX_UINTP 0x30 +#define S3C64XX_UINTSP 0x34 +#define S3C64XX_UINTM 0x38 + +#define S3C64XX_UINTM_RXD (0) +#define S3C64XX_UINTM_TXD (2) +#define S3C64XX_UINTM_RXD_MSK (1 << S3C64XX_UINTM_RXD) +#define S3C64XX_UINTM_TXD_MSK (1 << S3C64XX_UINTM_TXD) + +/* Following are specific to S5PV210 */ +#define S5PV210_UCON_CLKMASK (1<<10) +#define S5PV210_UCON_CLKSHIFT (10) +#define S5PV210_UCON_PCLK (0<<10) +#define S5PV210_UCON_UCLK (1<<10) + +#define S5PV210_UFCON_TXTRIG0 (0<<8) +#define S5PV210_UFCON_TXTRIG4 (1<<8) +#define S5PV210_UFCON_TXTRIG8 (2<<8) +#define S5PV210_UFCON_TXTRIG16 (3<<8) +#define S5PV210_UFCON_TXTRIG32 (4<<8) +#define S5PV210_UFCON_TXTRIG64 (5<<8) +#define S5PV210_UFCON_TXTRIG128 (6<<8) +#define S5PV210_UFCON_TXTRIG256 (7<<8) + +#define S5PV210_UFCON_RXTRIG1 (0<<4) +#define S5PV210_UFCON_RXTRIG4 (1<<4) +#define S5PV210_UFCON_RXTRIG8 (2<<4) +#define S5PV210_UFCON_RXTRIG16 (3<<4) +#define S5PV210_UFCON_RXTRIG32 (4<<4) +#define S5PV210_UFCON_RXTRIG64 (5<<4) +#define S5PV210_UFCON_RXTRIG128 (6<<4) +#define S5PV210_UFCON_RXTRIG256 (7<<4) + +#define S5PV210_UFSTAT_TXFULL (1<<24) +#define S5PV210_UFSTAT_RXFULL (1<<8) +#define S5PV210_UFSTAT_TXMASK (255<<16) +#define S5PV210_UFSTAT_TXSHIFT (16) +#define S5PV210_UFSTAT_RXMASK (255<<0) +#define S5PV210_UFSTAT_RXSHIFT (0) + +#define S3C2410_UCON_CLKSEL0 (1 << 0) +#define S3C2410_UCON_CLKSEL1 (1 << 1) +#define S3C2410_UCON_CLKSEL2 (1 << 2) +#define S3C2410_UCON_CLKSEL3 (1 << 3) + +/* Default values for s5pv210 UCON and UFCON uart registers */ +#define S5PV210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ + S3C2410_UCON_RXILEVEL | \ + S3C2410_UCON_TXIRQMODE | \ + S3C2410_UCON_RXIRQMODE | \ + S3C2410_UCON_RXFIFO_TOI | \ + S3C2443_UCON_RXERR_IRQEN) + +#define S5PV210_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ + S5PV210_UFCON_TXTRIG4 | \ + S5PV210_UFCON_RXTRIG4) + +#ifndef __ASSEMBLY__ + +/* configuration structure for per-machine configurations for the + * serial port + * + * the pointer is setup by the machine specific initialisation from the + * arch/arm/mach-s3c2410/ directory. +*/ + +struct s3c2410_uartcfg { + unsigned char hwport; /* hardware port number */ + unsigned char unused; + unsigned short flags; + upf_t uart_flags; /* default uart flags */ + unsigned int clk_sel; + + unsigned int has_fracval; + + unsigned long ucon; /* value of ucon for port */ + unsigned long ulcon; /* value of ulcon for port */ + unsigned long ufcon; /* value of ufcon for port */ +}; + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_ARM_REGS_SERIAL_H */ + diff --git a/include/linux/signal.h b/include/linux/signal.h index a2dcb94ea49..9475c5cb28b 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -250,11 +250,11 @@ extern int show_unhandled_signals; extern int sigsuspend(sigset_t *); struct sigaction { -#ifndef __ARCH_HAS_ODD_SIGACTION +#ifndef __ARCH_HAS_IRIX_SIGACTION __sighandler_t sa_handler; unsigned long sa_flags; #else - unsigned long sa_flags; + unsigned int sa_flags; __sighandler_t sa_handler; #endif #ifdef __ARCH_HAS_SA_RESTORER diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 821c7f45d2a..b8292d8cc9f 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -500,7 +500,7 @@ struct sk_buff { union { __u32 mark; __u32 dropcount; - __u32 avail_size; + __u32 reserved_tailroom; }; sk_buff_data_t inner_transport_header; @@ -1288,11 +1288,13 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i, * do not lose pfmemalloc information as the pages would not be * allocated using __GFP_MEMALLOC. */ - if (page->pfmemalloc && !page->mapping) - skb->pfmemalloc = true; frag->page.p = page; frag->page_offset = off; skb_frag_size_set(frag, size); + + page = compound_head(page); + if (page->pfmemalloc && !page->mapping) + skb->pfmemalloc = true; } /** @@ -1447,7 +1449,10 @@ static inline int skb_tailroom(const struct sk_buff *skb) */ static inline int skb_availroom(const struct sk_buff *skb) { - return skb_is_nonlinear(skb) ? 0 : skb->avail_size - skb->len; + if (skb_is_nonlinear(skb)) + return 0; + + return skb->end - skb->tail - skb->reserved_tailroom; } /** @@ -2638,6 +2643,13 @@ static inline void nf_reset(struct sk_buff *skb) #endif } +static inline void nf_reset_trace(struct sk_buff *skb) +{ +#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) + skb->nf_trace = 0; +#endif +} + /* Note: This doesn't put any conntrack and bridge info in dst. */ static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src) { diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h index c65dee05991..13e92967955 100644 --- a/include/linux/smpboot.h +++ b/include/linux/smpboot.h @@ -24,6 +24,9 @@ struct smpboot_thread_data; * parked (cpu offline) * @unpark: Optional unpark function, called when the thread is * unparked (cpu online) + * @pre_unpark: Optional unpark function, called before the thread is + * unparked (cpu online). This is not guaranteed to be + * called on the target cpu of the thread. Careful! * @selfparking: Thread is not parked by the park function. * @thread_comm: The base name of the thread */ @@ -37,6 +40,7 @@ struct smp_hotplug_thread { void (*cleanup)(unsigned int cpu, bool online); void (*park)(unsigned int cpu); void (*unpark)(unsigned int cpu); + void (*pre_unpark)(unsigned int cpu); bool selfparking; const char *thread_comm; }; diff --git a/include/linux/spi/spi-tegra.h b/include/linux/spi/spi-tegra.h deleted file mode 100644 index 786932c62ed..00000000000 --- a/include/linux/spi/spi-tegra.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * spi-tegra.h: SPI interface for Nvidia Tegra20 SLINK controller. - * - * Copyright (C) 2011 NVIDIA Corporation - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#ifndef _LINUX_SPI_TEGRA_H -#define _LINUX_SPI_TEGRA_H - -struct tegra_spi_platform_data { - int dma_req_sel; - unsigned int spi_max_frequency; -}; - -/* - * Controller data from device to pass some info like - * hw based chip select can be used or not and if yes - * then CS hold and setup time. - */ -struct tegra_spi_device_controller_data { - bool is_hw_based_cs; - int cs_setup_clk_count; - int cs_hold_clk_count; -}; - -#endif /* _LINUX_SPI_TEGRA_H */ diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 38c2b925923..733eb5ee31c 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -228,6 +228,11 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * every chipselect is connected to a slave. * @dma_alignment: SPI controller constraint on DMA buffers alignment. * @mode_bits: flags understood by this controller driver + * @bits_per_word_mask: A mask indicating which values of bits_per_word are + * supported by the driver. Bit n indicates that a bits_per_word n+1 is + * suported. If set, the SPI core will reject any transfer with an + * unsupported bits_per_word. If not set, this value is simply ignored, + * and it's up to the individual driver to perform any validation. * @flags: other constraints relevant to this driver * @bus_lock_spinlock: spinlock for SPI bus locking * @bus_lock_mutex: mutex for SPI bus locking @@ -301,6 +306,9 @@ struct spi_master { /* spi_device.mode flags understood by this controller driver */ u16 mode_bits; + /* bitmask of supported bits_per_word for transfers */ + u32 bits_per_word_mask; + /* other constraints relevant to this driver */ u16 flags; #define SPI_MASTER_HALF_DUPLEX BIT(0) /* can't do full duplex */ diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h index a26e2fb604e..e2369c167db 100644 --- a/include/linux/spinlock_up.h +++ b/include/linux/spinlock_up.h @@ -16,7 +16,10 @@ * In the debug case, 1 means unlocked, 0 means locked. (the values * are inverted, to catch initialization bugs) * - * No atomicity anywhere, we are on UP. + * No atomicity anywhere, we are on UP. However, we still need + * the compiler barriers, because we do not want the compiler to + * move potentially faulting instructions (notably user accesses) + * into the locked sequence, resulting in non-atomic execution. */ #ifdef CONFIG_DEBUG_SPINLOCK @@ -25,6 +28,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) { lock->slock = 0; + barrier(); } static inline void @@ -32,6 +36,7 @@ arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) { local_irq_save(flags); lock->slock = 0; + barrier(); } static inline int arch_spin_trylock(arch_spinlock_t *lock) @@ -39,32 +44,34 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) char oldval = lock->slock; lock->slock = 0; + barrier(); return oldval > 0; } static inline void arch_spin_unlock(arch_spinlock_t *lock) { + barrier(); lock->slock = 1; } /* * Read-write spinlocks. No debug version. */ -#define arch_read_lock(lock) do { (void)(lock); } while (0) -#define arch_write_lock(lock) do { (void)(lock); } while (0) -#define arch_read_trylock(lock) ({ (void)(lock); 1; }) -#define arch_write_trylock(lock) ({ (void)(lock); 1; }) -#define arch_read_unlock(lock) do { (void)(lock); } while (0) -#define arch_write_unlock(lock) do { (void)(lock); } while (0) +#define arch_read_lock(lock) do { barrier(); (void)(lock); } while (0) +#define arch_write_lock(lock) do { barrier(); (void)(lock); } while (0) +#define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; }) +#define arch_write_trylock(lock) ({ barrier(); (void)(lock); 1; }) +#define arch_read_unlock(lock) do { barrier(); (void)(lock); } while (0) +#define arch_write_unlock(lock) do { barrier(); (void)(lock); } while (0) #else /* DEBUG_SPINLOCK */ #define arch_spin_is_locked(lock) ((void)(lock), 0) /* for sched.c and kernel_lock.c: */ -# define arch_spin_lock(lock) do { (void)(lock); } while (0) -# define arch_spin_lock_flags(lock, flags) do { (void)(lock); } while (0) -# define arch_spin_unlock(lock) do { (void)(lock); } while (0) -# define arch_spin_trylock(lock) ({ (void)(lock); 1; }) +# define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0) +# define arch_spin_lock_flags(lock, flags) do { barrier(); (void)(lock); } while (0) +# define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0) +# define arch_spin_trylock(lock) ({ barrier(); (void)(lock); 1; }) #endif /* DEBUG_SPINLOCK */ #define arch_spin_is_contended(lock) (((void)(lock), 0)) diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index 9e492be5244..6fcfe99bd99 100644 --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -219,6 +219,7 @@ #define SSB_CHIPCO_PMU_CTL 0x0600 /* PMU control */ #define SSB_CHIPCO_PMU_CTL_ILP_DIV 0xFFFF0000 /* ILP div mask */ #define SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT 16 +#define SSB_CHIPCO_PMU_CTL_PLL_UPD 0x00000400 #define SSB_CHIPCO_PMU_CTL_NOILPONW 0x00000200 /* No ILP on wait */ #define SSB_CHIPCO_PMU_CTL_HTREQEN 0x00000100 /* HT req enable */ #define SSB_CHIPCO_PMU_CTL_ALPREQEN 0x00000080 /* ALP req enable */ @@ -667,5 +668,6 @@ enum ssb_pmu_ldo_volt_id { void ssb_pmu_set_ldo_voltage(struct ssb_chipcommon *cc, enum ssb_pmu_ldo_volt_id id, u32 voltage); void ssb_pmu_set_ldo_paref(struct ssb_chipcommon *cc, bool on); +void ssb_pmu_spuravoid_pllupdate(struct ssb_chipcommon *cc, int spuravoid); #endif /* LINUX_SSB_CHIPCO_H_ */ diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h new file mode 100644 index 00000000000..44ef5da2147 --- /dev/null +++ b/include/linux/ssbi.h @@ -0,0 +1,38 @@ +/* Copyright (C) 2010 Google, Inc. + * Copyright (c) 2011, Code Aurora Forum. All rights reserved. + * Author: Dima Zavin <dima@android.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only 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. + */ + +#ifndef _LINUX_SSBI_H +#define _LINUX_SSBI_H + +#include <linux/types.h> + +struct ssbi_slave_info { + const char *name; + void *platform_data; +}; + +enum ssbi_controller_type { + MSM_SBI_CTRL_SSBI = 0, + MSM_SBI_CTRL_SSBI2, + MSM_SBI_CTRL_PMIC_ARBITER, +}; + +struct ssbi_platform_data { + struct ssbi_slave_info slave; + enum ssbi_controller_type controller_type; +}; + +int ssbi_write(struct device *dev, u16 addr, u8 *buf, int len); +int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len); +#endif diff --git a/include/linux/swap.h b/include/linux/swap.h index 2818a123f3e..1701ce4be74 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -236,7 +236,7 @@ extern unsigned long nr_free_pagecache_pages(void); extern void __lru_cache_add(struct page *, enum lru_list lru); extern void lru_cache_add_lru(struct page *, enum lru_list lru); extern void lru_add_page_tail(struct page *page, struct page *page_tail, - struct lruvec *lruvec); + struct lruvec *lruvec, struct list_head *head); extern void activate_page(struct page *); extern void mark_page_accessed(struct page *); extern void lru_add_drain(void); @@ -330,6 +330,9 @@ static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) /* linux/mm/page_io.c */ extern int swap_readpage(struct page *); extern int swap_writepage(struct page *page, struct writeback_control *wbc); +extern void end_swap_bio_write(struct bio *bio, int err); +extern int __swap_writepage(struct page *page, struct writeback_control *wbc, + void (*end_write_func)(struct bio *, int)); extern int swap_set_page_dirty(struct page *page); extern void end_swap_bio_read(struct bio *bio, int err); @@ -343,8 +346,9 @@ extern struct address_space swapper_spaces[]; #define swap_address_space(entry) (&swapper_spaces[swp_type(entry)]) extern unsigned long total_swapcache_pages(void); extern void show_swap_cache_info(void); -extern int add_to_swap(struct page *); +extern int add_to_swap(struct page *, struct list_head *list); extern int add_to_swap_cache(struct page *, swp_entry_t, gfp_t); +extern int __add_to_swap_cache(struct page *page, swp_entry_t entry); extern void __delete_from_swap_cache(struct page *); extern void delete_from_swap_cache(struct page *); extern void free_page_and_swap_cache(struct page *); @@ -461,7 +465,7 @@ static inline struct page *lookup_swap_cache(swp_entry_t swp) return NULL; } -static inline int add_to_swap(struct page *page) +static inline int add_to_swap(struct page *page, struct list_head *list) { return 0; } diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 2de42f9401d..a5ffd32642f 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -25,6 +25,7 @@ extern int swiotlb_force; extern void swiotlb_init(int verbose); int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose); extern unsigned long swiotlb_nr_tbl(void); +unsigned long swiotlb_size_or_default(void); extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs); /* diff --git a/include/linux/thermal.h b/include/linux/thermal.h index f0bd7f90a90..e3c0ae9bb1f 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -44,7 +44,7 @@ /* Adding event notification support elements */ #define THERMAL_GENL_FAMILY_NAME "thermal_event" #define THERMAL_GENL_VERSION 0x01 -#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_group" +#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_grp" /* Default Thermal Governor */ #if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE) diff --git a/include/linux/trace_clock.h b/include/linux/trace_clock.h index d563f37e1a1..1d7ca273927 100644 --- a/include/linux/trace_clock.h +++ b/include/linux/trace_clock.h @@ -16,6 +16,7 @@ extern u64 notrace trace_clock_local(void); extern u64 notrace trace_clock(void); +extern u64 notrace trace_clock_jiffies(void); extern u64 notrace trace_clock_global(void); extern u64 notrace trace_clock_counter(void); diff --git a/include/linux/tty.h b/include/linux/tty.h index c75d886b030..367a9dfc4ea 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -255,9 +255,9 @@ struct tty_struct { int count; struct winsize winsize; /* termios mutex */ unsigned char stopped:1, hw_stopped:1, flow_stopped:1, packet:1; - unsigned char warned:1; unsigned char ctrl_status; /* ctrl_lock */ unsigned int receive_room; /* Bytes free for queue */ + int flow_change; struct tty_struct *link; struct fasync_struct *fasync; @@ -315,9 +315,25 @@ struct tty_file_private { #define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */ #define TTY_HUPPED 18 /* Post driver->hangup() */ #define TTY_HUPPING 21 /* ->hangup() in progress */ +#define TTY_LDISC_HALTED 22 /* Line discipline is halted */ #define TTY_WRITE_FLUSH(tty) tty_write_flush((tty)) +/* Values for tty->flow_change */ +#define TTY_THROTTLE_SAFE 1 +#define TTY_UNTHROTTLE_SAFE 2 + +static inline void __tty_set_flow_change(struct tty_struct *tty, int val) +{ + tty->flow_change = val; +} + +static inline void tty_set_flow_change(struct tty_struct *tty, int val) +{ + tty->flow_change = val; + smp_mb(); +} + #ifdef CONFIG_TTY extern void console_init(void); extern void tty_kref_put(struct tty_struct *tty); @@ -400,6 +416,8 @@ extern int tty_write_room(struct tty_struct *tty); extern void tty_driver_flush_buffer(struct tty_struct *tty); extern void tty_throttle(struct tty_struct *tty); extern void tty_unthrottle(struct tty_struct *tty); +extern int tty_throttle_safe(struct tty_struct *tty); +extern int tty_unthrottle_safe(struct tty_struct *tty); extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws); extern void tty_driver_remove_tty(struct tty_driver *driver, struct tty_struct *tty); @@ -419,13 +437,28 @@ extern void tty_flush_to_ldisc(struct tty_struct *tty); extern void tty_buffer_free_all(struct tty_port *port); extern void tty_buffer_flush(struct tty_struct *tty); extern void tty_buffer_init(struct tty_port *port); -extern speed_t tty_get_baud_rate(struct tty_struct *tty); extern speed_t tty_termios_baud_rate(struct ktermios *termios); extern speed_t tty_termios_input_baud_rate(struct ktermios *termios); extern void tty_termios_encode_baud_rate(struct ktermios *termios, speed_t ibaud, speed_t obaud); extern void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud); + +/** + * tty_get_baud_rate - get tty bit rates + * @tty: tty to query + * + * Returns the baud rate as an integer for this terminal. The + * termios lock must be held by the caller and the terminal bit + * flags may be updated. + * + * Locking: none + */ +static inline speed_t tty_get_baud_rate(struct tty_struct *tty) +{ + return tty_termios_baud_rate(&tty->termios); +} + 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); @@ -502,6 +535,8 @@ extern int tty_port_carrier_raised(struct tty_port *port); extern void tty_port_raise_dtr_rts(struct tty_port *port); extern void tty_port_lower_dtr_rts(struct tty_port *port); extern void tty_port_hangup(struct tty_port *port); +extern void tty_port_tty_hangup(struct tty_port *port, bool check_clocal); +extern void tty_port_tty_wakeup(struct tty_port *port); extern int tty_port_block_til_ready(struct tty_port *port, struct tty_struct *tty, struct file *filp); extern int tty_port_close_start(struct tty_port *port, @@ -526,8 +561,6 @@ extern void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty); extern void tty_ldisc_init(struct tty_struct *tty); extern void tty_ldisc_deinit(struct tty_struct *tty); extern void tty_ldisc_begin(void); -/* This last one is just for the tty layer internals and shouldn't be used elsewhere */ -extern void tty_ldisc_enable(struct tty_struct *tty); /* n_tty.c */ diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 455a0d7bf22..58390c73df8 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -9,89 +9,89 @@ * * int (*open)(struct tty_struct *); * - * This function is called when the line discipline is associated - * with the tty. The line discipline can use this as an - * opportunity to initialize any state needed by the ldisc routines. - * + * This function is called when the line discipline is associated + * with the tty. The line discipline can use this as an + * opportunity to initialize any state needed by the ldisc routines. + * * void (*close)(struct tty_struct *); * * This function is called when the line discipline is being - * shutdown, either because the tty is being closed or because - * the tty is being changed to use a new line discipline - * + * shutdown, either because the tty is being closed or because + * the tty is being changed to use a new line discipline + * * void (*flush_buffer)(struct tty_struct *tty); * - * This function instructs the line discipline to clear its - * buffers of any input characters it may have queued to be - * delivered to the user mode process. - * + * This function instructs the line discipline to clear its + * buffers of any input characters it may have queued to be + * delivered to the user mode process. + * * ssize_t (*chars_in_buffer)(struct tty_struct *tty); * - * This function returns the number of input characters the line + * This function returns the number of input characters the line * discipline may have queued up to be delivered to the user mode * process. - * + * * ssize_t (*read)(struct tty_struct * tty, struct file * file, * unsigned char * buf, size_t nr); * - * This function is called when the user requests to read from - * the tty. The line discipline will return whatever characters - * it has buffered up for the user. If this function is not - * defined, the user will receive an EIO error. - * + * This function is called when the user requests to read from + * the tty. The line discipline will return whatever characters + * it has buffered up for the user. If this function is not + * defined, the user will receive an EIO error. + * * ssize_t (*write)(struct tty_struct * tty, struct file * file, - * const unsigned char * buf, size_t nr); - * - * This function is called when the user requests to write to the - * tty. The line discipline will deliver the characters to the - * low-level tty device for transmission, optionally performing - * some processing on the characters first. If this function is - * not defined, the user will receive an EIO error. - * + * const unsigned char * buf, size_t nr); + * + * This function is called when the user requests to write to the + * tty. The line discipline will deliver the characters to the + * low-level tty device for transmission, optionally performing + * some processing on the characters first. If this function is + * not defined, the user will receive an EIO error. + * * int (*ioctl)(struct tty_struct * tty, struct file * file, - * unsigned int cmd, unsigned long arg); + * unsigned int cmd, unsigned long arg); * * This function is called when the user requests an ioctl which - * is not handled by the tty layer or the low-level tty driver. - * It is intended for ioctls which affect line discpline - * operation. Note that the search order for ioctls is (1) tty - * layer, (2) tty low-level driver, (3) line discpline. So a - * low-level driver can "grab" an ioctl request before the line - * discpline has a chance to see it. - * + * is not handled by the tty layer or the low-level tty driver. + * It is intended for ioctls which affect line discpline + * operation. Note that the search order for ioctls is (1) tty + * layer, (2) tty low-level driver, (3) line discpline. So a + * low-level driver can "grab" an ioctl request before the line + * discpline has a chance to see it. + * * long (*compat_ioctl)(struct tty_struct * tty, struct file * file, - * unsigned int cmd, unsigned long arg); + * unsigned int cmd, unsigned long arg); * - * Process ioctl calls from 32-bit process on 64-bit system + * Process ioctl calls from 32-bit process on 64-bit system * * void (*set_termios)(struct tty_struct *tty, struct ktermios * old); * - * This function notifies the line discpline that a change has - * been made to the termios structure. - * + * This function notifies the line discpline that a change has + * been made to the termios structure. + * * int (*poll)(struct tty_struct * tty, struct file * file, - * poll_table *wait); + * poll_table *wait); * - * This function is called when a user attempts to select/poll on a - * tty device. It is solely the responsibility of the line - * discipline to handle poll requests. + * This function is called when a user attempts to select/poll on a + * tty device. It is solely the responsibility of the line + * discipline to handle poll requests. * * void (*receive_buf)(struct tty_struct *, const unsigned char *cp, - * char *fp, int count); - * - * This function is called by the low-level tty driver to send - * characters received by the hardware to the line discpline for - * processing. <cp> is a pointer to the buffer of input - * character received by the device. <fp> is a pointer to a - * pointer of flag bytes which indicate whether a character was - * received with a parity error, etc. - * + * char *fp, int count); + * + * This function is called by the low-level tty driver to send + * characters received by the hardware to the line discpline for + * processing. <cp> is a pointer to the buffer of input + * character received by the device. <fp> is a pointer to a + * pointer of flag bytes which indicate whether a character was + * received with a parity error, etc. + * * void (*write_wakeup)(struct tty_struct *); * - * This function is called by the low-level tty driver to signal - * that line discpline should try to send more characters to the - * low-level driver for transmission. If the line discpline does - * not have any more data to send, it can just return. + * This function is called by the low-level tty driver to signal + * that line discpline should try to send more characters to the + * low-level driver for transmission. If the line discpline does + * not have any more data to send, it can just return. * * int (*hangup)(struct tty_struct *) * @@ -115,7 +115,7 @@ struct tty_ldisc_ops { char *name; int num; int flags; - + /* * The following routines are called from above. */ @@ -123,19 +123,19 @@ struct tty_ldisc_ops { void (*close)(struct tty_struct *); void (*flush_buffer)(struct tty_struct *tty); ssize_t (*chars_in_buffer)(struct tty_struct *tty); - ssize_t (*read)(struct tty_struct * tty, struct file * file, - unsigned char __user * buf, size_t nr); - ssize_t (*write)(struct tty_struct * tty, struct file * file, - const unsigned char * buf, size_t nr); - int (*ioctl)(struct tty_struct * tty, struct file * file, + ssize_t (*read)(struct tty_struct *tty, struct file *file, + unsigned char __user *buf, size_t nr); + ssize_t (*write)(struct tty_struct *tty, struct file *file, + const unsigned char *buf, size_t nr); + int (*ioctl)(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); - long (*compat_ioctl)(struct tty_struct * tty, struct file * file, + long (*compat_ioctl)(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); - void (*set_termios)(struct tty_struct *tty, struct ktermios * old); + void (*set_termios)(struct tty_struct *tty, struct ktermios *old); unsigned int (*poll)(struct tty_struct *, struct file *, struct poll_table_struct *); int (*hangup)(struct tty_struct *tty); - + /* * The following routines are called from below. */ @@ -145,7 +145,7 @@ struct tty_ldisc_ops { void (*dcd_change)(struct tty_struct *, unsigned int); struct module *owner; - + int refcount; }; diff --git a/include/linux/ucs2_string.h b/include/linux/ucs2_string.h new file mode 100644 index 00000000000..cbb20afdbc0 --- /dev/null +++ b/include/linux/ucs2_string.h @@ -0,0 +1,14 @@ +#ifndef _LINUX_UCS2_STRING_H_ +#define _LINUX_UCS2_STRING_H_ + +#include <linux/types.h> /* for size_t */ +#include <linux/stddef.h> /* for NULL */ + +typedef u16 ucs2_char_t; + +unsigned long ucs2_strnlen(const ucs2_char_t *s, size_t maxlength); +unsigned long ucs2_strlen(const ucs2_char_t *s); +unsigned long ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength); +int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len); + +#endif /* _LINUX_UCS2_STRING_H_ */ diff --git a/include/linux/udp.h b/include/linux/udp.h index 9d81de123c9..42278bbf7a8 100644 --- a/include/linux/udp.h +++ b/include/linux/udp.h @@ -68,6 +68,7 @@ struct udp_sock { * For encapsulation sockets. */ int (*encap_rcv)(struct sock *sk, struct sk_buff *skb); + void (*encap_destroy)(struct sock *sk); }; static inline struct udp_sock *udp_sk(const struct sock *sk) diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h index 02b83db8e2c..06f28beed7c 100644 --- a/include/linux/uprobes.h +++ b/include/linux/uprobes.h @@ -38,6 +38,8 @@ struct inode; #define UPROBE_HANDLER_REMOVE 1 #define UPROBE_HANDLER_MASK 1 +#define MAX_URETPROBE_DEPTH 64 + enum uprobe_filter_ctx { UPROBE_FILTER_REGISTER, UPROBE_FILTER_UNREGISTER, @@ -46,6 +48,9 @@ enum uprobe_filter_ctx { struct uprobe_consumer { int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs); + int (*ret_handler)(struct uprobe_consumer *self, + unsigned long func, + struct pt_regs *regs); bool (*filter)(struct uprobe_consumer *self, enum uprobe_filter_ctx ctx, struct mm_struct *mm); @@ -68,6 +73,8 @@ struct uprobe_task { enum uprobe_task_state state; struct arch_uprobe_task autask; + struct return_instance *return_instances; + unsigned int depth; struct uprobe *active_uprobe; unsigned long xol_vaddr; @@ -100,6 +107,7 @@ struct uprobes_state { extern int __weak set_swbp(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr); extern int __weak set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr); extern bool __weak is_swbp_insn(uprobe_opcode_t *insn); +extern bool __weak is_trap_insn(uprobe_opcode_t *insn); extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc); extern int uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool); extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc); diff --git a/include/linux/usb.h b/include/linux/usb.h index 4d22d0f6167..a0bee5a28d1 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -469,14 +469,12 @@ struct usb3_lpm_parameters { * @lpm_capable: device supports LPM * @usb2_hw_lpm_capable: device can perform USB2 hardware LPM * @usb2_hw_lpm_enabled: USB2 hardware LPM enabled + * @usb3_lpm_enabled: USB3 hardware LPM enabled * @string_langid: language ID for strings * @product: iProduct string, if present (static) * @manufacturer: iManufacturer string, if present (static) * @serial: iSerialNumber string, if present (static) * @filelist: usbfs files that are open to this device - * @usb_classdev: USB class device that was created for usbfs device - * access from userspace - * @usbfs_dentry: usbfs dentry entry for the device * @maxchild: number of ports if hub * @quirks: quirks of the whole device * @urbnum: number of URBs submitted for the whole device @@ -619,7 +617,7 @@ static inline bool usb_acpi_power_manageable(struct usb_device *hdev, int index) #endif /* USB autosuspend and autoresume */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME extern void usb_enable_autosuspend(struct usb_device *udev); extern void usb_disable_autosuspend(struct usb_device *udev); @@ -978,7 +976,12 @@ struct usbdrv_wrap { * the "usbfs" filesystem. This lets devices provide ways to * expose information to user space regardless of where they * do (or don't) show up otherwise in the filesystem. - * @suspend: Called when the device is going to be suspended by the system. + * @suspend: Called when the device is going to be suspended by the + * system either from system sleep or runtime suspend context. The + * return value will be ignored in system sleep context, so do NOT + * try to continue using the device if suspend fails in this case. + * Instead, let the resume or reset-resume routine recover from + * the failure. * @resume: Called when the device is being resumed by the system. * @reset_resume: Called when the suspended device has been reset instead * of being resumed. diff --git a/include/linux/usb/cdc-wdm.h b/include/linux/usb/cdc-wdm.h index 719c332620f..0b3f4295c02 100644 --- a/include/linux/usb/cdc-wdm.h +++ b/include/linux/usb/cdc-wdm.h @@ -11,6 +11,8 @@ #ifndef __LINUX_USB_CDC_WDM_H #define __LINUX_USB_CDC_WDM_H +#include <uapi/linux/usb/cdc-wdm.h> + extern struct usb_driver *usb_cdc_wdm_register(struct usb_interface *intf, struct usb_endpoint_descriptor *ep, int bufsize, diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 3b8f9d4fc3f..cc25b70af33 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -127,6 +127,7 @@ struct cdc_ncm_ctx { u16 connected; }; +extern u8 cdc_ncm_select_altsetting(struct usbnet *dev, struct usb_interface *intf); extern int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); extern void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); extern struct sk_buff *cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign); diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 9c210f2283d..27603bcbb9b 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -43,4 +43,13 @@ */ extern const char *usb_speed_string(enum usb_device_speed speed); + +/** + * usb_state_string - Returns human readable name for the state. + * @state: The state to return a human-readable name for. If it's not + * any of the states devices in usb_device_state_string enum, + * the string UNKNOWN will be returned. + */ +extern const char *usb_state_string(enum usb_device_state state); + #endif /* __LINUX_USB_CH9_H */ diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 3c671c1b37f..5e61589fc16 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -39,6 +39,7 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/log2.h> +#include <linux/configfs.h> /* * USB function drivers should return USB_GADGET_DELAYED_STATUS if they @@ -60,7 +61,7 @@ struct usb_configuration; * @name: For diagnostics, identifies the function. * @strings: tables of strings, keyed by identifiers assigned during bind() * and by language IDs provided in control requests - * @descriptors: Table of full (or low) speed descriptors, using interface and + * @fs_descriptors: Table of full (or low) speed descriptors, using interface and * string identifiers assigned during @bind(). If this pointer is null, * the function will not be available at full speed (or at low speed). * @hs_descriptors: Table of high speed descriptors, using interface and @@ -290,6 +291,7 @@ enum { * after function notifications * @resume: Notifies configuration when the host restarts USB traffic, * before function notifications + * @gadget_driver: Gadget driver controlling this driver * * Devices default to reporting self powered operation. Devices which rely * on bus powered operation should report this in their @bind method. @@ -463,6 +465,8 @@ struct usb_function_driver { }; struct usb_function_instance { + struct config_group group; + struct list_head cfs_list; struct usb_function_driver *fd; void (*free_func_inst)(struct usb_function_instance *inst); }; diff --git a/include/linux/usb/dwc3-omap.h b/include/linux/usb/dwc3-omap.h index 51eae14477f..5615f4d8272 100644 --- a/include/linux/usb/dwc3-omap.h +++ b/include/linux/usb/dwc3-omap.h @@ -19,11 +19,11 @@ enum omap_dwc3_vbus_id_status { }; #if (defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_DWC3_MODULE)) -extern void dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status); +extern int dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status); #else -static inline void dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status) +static inline int dwc3_omap_mailbox(enum omap_dwc3_vbus_id_status status) { - return; + return -ENODEV; } #endif diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 2e297e80d59..c454a88abf2 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -482,6 +482,7 @@ struct usb_gadget_ops { * @speed: Speed of current connection to USB host. * @max_speed: Maximal speed the UDC can handle. UDC must support this * and all slower speeds. + * @state: the state we are now (attached, suspended, configured, etc) * @sg_supported: true if we can handle scatter-gather * @is_otg: True if the USB device port uses a Mini-AB jack, so that the * gadget driver must provide a USB OTG descriptor. @@ -525,6 +526,7 @@ struct usb_gadget { struct list_head ep_list; /* of usb_ep */ enum usb_device_speed speed; enum usb_device_speed max_speed; + enum usb_device_state state; unsigned sg_supported:1; unsigned is_otg:1; unsigned is_a_peripheral:1; @@ -872,6 +874,8 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver); */ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver); +extern int usb_add_gadget_udc_release(struct device *parent, + struct usb_gadget *gadget, void (*release)(struct device *dev)); extern int usb_add_gadget_udc(struct device *parent, struct usb_gadget *gadget); extern void usb_del_gadget_udc(struct usb_gadget *gadget); extern int udc_attach_driver(const char *name, @@ -959,6 +963,13 @@ extern void usb_gadget_unmap_request(struct usb_gadget *gadget, /*-------------------------------------------------------------------------*/ +/* utility to set gadget state properly */ + +extern void usb_gadget_set_state(struct usb_gadget *gadget, + enum usb_device_state state); + +/*-------------------------------------------------------------------------*/ + /* utility wrapping a simple endpoint selection policy */ extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *, diff --git a/include/linux/usb/gadget_configfs.h b/include/linux/usb/gadget_configfs.h new file mode 100644 index 00000000000..d74c0ae989d --- /dev/null +++ b/include/linux/usb/gadget_configfs.h @@ -0,0 +1,110 @@ +#ifndef __GADGET_CONFIGFS__ +#define __GADGET_CONFIGFS__ + +#include <linux/configfs.h> + +int check_user_usb_string(const char *name, + struct usb_gadget_strings *stringtab_dev); + +#define GS_STRINGS_W(__struct, __name) \ + static ssize_t __struct##_##__name##_store(struct __struct *gs, \ + const char *page, size_t len) \ +{ \ + int ret; \ + \ + ret = usb_string_copy(page, &gs->__name); \ + if (ret) \ + return ret; \ + return len; \ +} + +#define GS_STRINGS_R(__struct, __name) \ + static ssize_t __struct##_##__name##_show(struct __struct *gs, \ + char *page) \ +{ \ + return sprintf(page, "%s\n", gs->__name ?: ""); \ +} + +#define GS_STRING_ITEM_ATTR(struct_name, name) \ + static struct struct_name##_attribute struct_name##_##name = \ + __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ + struct_name##_##name##_show, \ + struct_name##_##name##_store) + +#define GS_STRINGS_RW(struct_name, _name) \ + GS_STRINGS_R(struct_name, _name) \ + GS_STRINGS_W(struct_name, _name) \ + GS_STRING_ITEM_ATTR(struct_name, _name) + +#define USB_CONFIG_STRING_RW_OPS(struct_in) \ + CONFIGFS_ATTR_OPS(struct_in); \ + \ +static struct configfs_item_operations struct_in##_langid_item_ops = { \ + .release = struct_in##_attr_release, \ + .show_attribute = struct_in##_attr_show, \ + .store_attribute = struct_in##_attr_store, \ +}; \ + \ +static struct config_item_type struct_in##_langid_type = { \ + .ct_item_ops = &struct_in##_langid_item_ops, \ + .ct_attrs = struct_in##_langid_attrs, \ + .ct_owner = THIS_MODULE, \ +} + +#define USB_CONFIG_STRINGS_LANG(struct_in, struct_member) \ + static struct config_group *struct_in##_strings_make( \ + struct config_group *group, \ + const char *name) \ + { \ + struct struct_member *gi; \ + struct struct_in *gs; \ + struct struct_in *new; \ + int langs = 0; \ + int ret; \ + \ + new = kzalloc(sizeof(*new), GFP_KERNEL); \ + if (!new) \ + return ERR_PTR(-ENOMEM); \ + \ + ret = check_user_usb_string(name, &new->stringtab_dev); \ + if (ret) \ + goto err; \ + config_group_init_type_name(&new->group, name, \ + &struct_in##_langid_type); \ + \ + gi = container_of(group, struct struct_member, strings_group); \ + ret = -EEXIST; \ + list_for_each_entry(gs, &gi->string_list, list) { \ + if (gs->stringtab_dev.language == new->stringtab_dev.language) \ + goto err; \ + langs++; \ + } \ + ret = -EOVERFLOW; \ + if (langs >= MAX_USB_STRING_LANGS) \ + goto err; \ + \ + list_add_tail(&new->list, &gi->string_list); \ + return &new->group; \ +err: \ + kfree(new); \ + return ERR_PTR(ret); \ +} \ + \ +static void struct_in##_strings_drop( \ + struct config_group *group, \ + struct config_item *item) \ +{ \ + config_item_put(item); \ +} \ + \ +static struct configfs_group_operations struct_in##_strings_ops = { \ + .make_group = &struct_in##_strings_make, \ + .drop_item = &struct_in##_strings_drop, \ +}; \ + \ +static struct config_item_type struct_in##_strings_type = { \ + .ct_group_ops = &struct_in##_strings_ops, \ + .ct_owner = THIS_MODULE, \ +} + +#endif diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 0a78df5f6cf..f5f5c7dfda9 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -84,7 +84,7 @@ struct usb_hcd { struct timer_list rh_timer; /* drives root-hub polling */ struct urb *status_urb; /* the current status urb */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME struct work_struct wakeup_work; /* for remote wakeup */ #endif @@ -357,6 +357,7 @@ struct hc_driver { */ int (*disable_usb3_lpm_timeout)(struct usb_hcd *, struct usb_device *, enum usb3_link_state state); + int (*find_raw_port_number)(struct usb_hcd *, int); }; extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb); @@ -396,6 +397,7 @@ 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); +extern int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1); struct platform_device; extern void usb_hcd_platform_shutdown(struct platform_device *dev); @@ -591,14 +593,14 @@ extern int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg); extern int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg); #endif /* CONFIG_PM */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME extern void usb_hcd_resume_root_hub(struct usb_hcd *hcd); #else static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd) { return; } -#endif /* CONFIG_USB_SUSPEND */ +#endif /* CONFIG_PM_RUNTIME */ /*-------------------------------------------------------------------------*/ diff --git a/include/linux/usb/musb-ux500.h b/include/linux/usb/musb-ux500.h new file mode 100644 index 00000000000..1e2c7130f6e --- /dev/null +++ b/include/linux/usb/musb-ux500.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2013 ST-Ericsson AB + * + * 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. + */ + +#ifndef __MUSB_UX500_H__ +#define __MUSB_UX500_H__ + +enum ux500_musb_vbus_id_status { + UX500_MUSB_NONE = 0, + UX500_MUSB_VBUS, + UX500_MUSB_ID, + UX500_MUSB_CHARGER, + UX500_MUSB_ENUMERATED, + UX500_MUSB_RIDA, + UX500_MUSB_RIDB, + UX500_MUSB_RIDC, + UX500_MUSB_PREPARE, + UX500_MUSB_CLEAN, +}; + +#endif /* __MUSB_UX500_H__ */ diff --git a/include/linux/usb/nop-usb-xceiv.h b/include/linux/usb/nop-usb-xceiv.h index 28884c71741..148d35171aa 100644 --- a/include/linux/usb/nop-usb-xceiv.h +++ b/include/linux/usb/nop-usb-xceiv.h @@ -5,6 +5,11 @@ struct nop_usb_xceiv_platform_data { enum usb_phy_type type; + unsigned long clk_rate; + + /* if set fails with -EPROBE_DEFER if can't get regulator */ + unsigned int needs_vcc:1; + unsigned int needs_reset:1; }; #if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE)) diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index e8a5fe87c6b..291e01ba32e 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -36,14 +36,7 @@ struct usb_otg { }; -#ifdef CONFIG_USB_OTG_UTILS -extern const char *otg_state_string(enum usb_otg_state state); -#else -static inline const char *otg_state_string(enum usb_otg_state state) -{ - return NULL; -} -#endif +extern const char *usb_otg_state_string(enum usb_otg_state state); /* Context: can sleep */ static inline int diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h index 15847cbdb51..6b5978f5763 100644 --- a/include/linux/usb/phy.h +++ b/include/linux/usb/phy.h @@ -91,6 +91,9 @@ struct usb_phy { int (*init)(struct usb_phy *x); void (*shutdown)(struct usb_phy *x); + /* enable/disable VBUS */ + int (*set_vbus)(struct usb_phy *x, int on); + /* effective for B devices, ignored for A-peripheral */ int (*set_power)(struct usb_phy *x, unsigned mA); @@ -160,8 +163,26 @@ usb_phy_shutdown(struct usb_phy *x) x->shutdown(x); } +static inline int +usb_phy_vbus_on(struct usb_phy *x) +{ + if (!x->set_vbus) + return 0; + + return x->set_vbus(x, true); +} + +static inline int +usb_phy_vbus_off(struct usb_phy *x) +{ + if (!x->set_vbus) + return 0; + + return x->set_vbus(x, false); +} + /* for usb host and peripheral controller drivers */ -#ifdef CONFIG_USB_OTG_UTILS +#if IS_ENABLED(CONFIG_USB_PHY) extern struct usb_phy *usb_get_phy(enum usb_phy_type type); extern struct usb_phy *devm_usb_get_phy(struct device *dev, enum usb_phy_type type); @@ -176,29 +197,29 @@ extern int usb_bind_phy(const char *dev_name, u8 index, #else static inline struct usb_phy *usb_get_phy(enum usb_phy_type type) { - return NULL; + return ERR_PTR(-ENXIO); } static inline struct usb_phy *devm_usb_get_phy(struct device *dev, enum usb_phy_type type) { - return NULL; + return ERR_PTR(-ENXIO); } static inline struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index) { - return NULL; + return ERR_PTR(-ENXIO); } static inline struct usb_phy *devm_usb_get_phy_dev(struct device *dev, u8 index) { - return NULL; + return ERR_PTR(-ENXIO); } static inline struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev, const char *phandle, u8 index) { - return NULL; + return ERR_PTR(-ENXIO); } static inline void usb_put_phy(struct usb_phy *x) diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index c5d36c65c33..e452ba6ec6b 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -62,14 +62,14 @@ struct renesas_usbhs_platform_callback { * Hardware exit function for platform. * it is called when driver was removed */ - void (*hardware_exit)(struct platform_device *pdev); + int (*hardware_exit)(struct platform_device *pdev); /* * option: * * for board specific clock control */ - void (*power_ctrl)(struct platform_device *pdev, + int (*power_ctrl)(struct platform_device *pdev, void __iomem *base, int enable); /* @@ -77,7 +77,7 @@ struct renesas_usbhs_platform_callback { * * Phy reset for platform */ - void (*phy_reset)(struct platform_device *pdev); + int (*phy_reset)(struct platform_device *pdev); /* * get USB ID function diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index ef9be7e1e19..b9b0f7b4e43 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -15,6 +15,7 @@ #include <linux/kref.h> #include <linux/mutex.h> +#include <linux/serial.h> #include <linux/sysrq.h> #include <linux/kfifo.h> @@ -61,6 +62,7 @@ * @bulk_out_buffers: pointers to the bulk out buffers for this port * @write_urbs: pointers to the bulk out urbs for this port * @write_urbs_free: status bitmap the for bulk out urbs + * @icount: interrupt counters * @tx_bytes: number of bytes currently in host stack queues * @bulk_out_endpointAddress: endpoint address for the bulk out pipe for this * port. @@ -108,6 +110,7 @@ struct usb_serial_port { unsigned long write_urbs_free; __u8 bulk_out_endpointAddress; + struct async_icount icount; int tx_bytes; unsigned long flags; @@ -270,6 +273,7 @@ struct usb_serial_driver { int (*tiocmget)(struct tty_struct *tty); int (*tiocmset)(struct tty_struct *tty, unsigned int set, unsigned int clear); + int (*tiocmiwait)(struct tty_struct *tty, unsigned long arg); int (*get_icount)(struct tty_struct *tty, struct serial_icounter_struct *icount); /* Called by the tty layer for port level work. There may or may not @@ -327,8 +331,10 @@ extern void usb_serial_generic_read_bulk_callback(struct urb *urb); extern void usb_serial_generic_write_bulk_callback(struct urb *urb); extern void usb_serial_generic_throttle(struct tty_struct *tty); extern void usb_serial_generic_unthrottle(struct tty_struct *tty); -extern void usb_serial_generic_disconnect(struct usb_serial *serial); -extern void usb_serial_generic_release(struct usb_serial *serial); +extern int usb_serial_generic_tiocmiwait(struct tty_struct *tty, + unsigned long arg); +extern int usb_serial_generic_get_icount(struct tty_struct *tty, + struct serial_icounter_struct *icount); extern int usb_serial_generic_register(void); extern void usb_serial_generic_deregister(void); extern int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port, diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h index 9ebebe90692..1b7519a8c0b 100644 --- a/include/linux/usb/tegra_usb_phy.h +++ b/include/linux/usb/tegra_usb_phy.h @@ -61,10 +61,14 @@ struct tegra_usb_phy { struct device *dev; bool is_legacy_phy; bool is_ulpi_phy; + void (*set_pts)(struct usb_phy *x, u8 pts_val); + void (*set_phcd)(struct usb_phy *x, bool enable); }; struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, - void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode); + void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode, + void (*set_pts)(struct usb_phy *x, u8 pts_val), + void (*set_phcd)(struct usb_phy *x, bool enable)); void tegra_usb_phy_preresume(struct usb_phy *phy); @@ -75,8 +79,4 @@ void tegra_ehci_phy_restore_start(struct usb_phy *phy, void tegra_ehci_phy_restore_end(struct usb_phy *phy); -void tegra_ehci_set_pts(struct usb_phy *x, u8 pts_val); - -void tegra_ehci_set_phcd(struct usb_phy *x, bool enable); - #endif /* __TEGRA_USB_PHY_H */ diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h index 6f033a415ec..5c295c26ad3 100644 --- a/include/linux/usb/ulpi.h +++ b/include/linux/usb/ulpi.h @@ -181,8 +181,16 @@ /*-------------------------------------------------------------------------*/ +#if IS_ENABLED(CONFIG_USB_ULPI) struct usb_phy *otg_ulpi_create(struct usb_phy_io_ops *ops, unsigned int flags); +#else +static inline struct usb_phy *otg_ulpi_create(struct usb_phy_io_ops *ops, + unsigned int flags) +{ + return NULL; +} +#endif #ifdef CONFIG_USB_ULPI_VIEWPORT /* access ops for controllers with a viewport register */ diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index 4ce00932493..b6b215f13b4 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -26,6 +26,8 @@ struct user_namespace { kuid_t owner; kgid_t group; unsigned int proc_inum; + bool may_mount_sysfs; + bool may_mount_proc; }; extern struct user_namespace init_user_ns; @@ -82,4 +84,6 @@ static inline void put_user_ns(struct user_namespace *ns) #endif +void update_mnt_policy(struct user_namespace *userns); + #endif /* _LINUX_USER_H */ diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 6071e911c7f..7d5773a99f2 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -3,7 +3,9 @@ #include <linux/spinlock.h> #include <linux/init.h> +#include <linux/list.h> #include <asm/page.h> /* pgprot_t */ +#include <linux/rbtree.h> struct vm_area_struct; /* vma defining user mapping in mm_types.h */ @@ -35,6 +37,17 @@ struct vm_struct { const void *caller; }; +struct vmap_area { + unsigned long va_start; + unsigned long va_end; + unsigned long flags; + struct rb_node rb_node; /* address sorted rbtree */ + struct list_head list; /* address sorted list */ + struct list_head purge_list; /* "lazy purge" list */ + struct vm_struct *vm; + struct rcu_head rcu_head; +}; + /* * Highlevel APIs for driver use */ @@ -130,8 +143,7 @@ extern long vwrite(char *buf, char *addr, unsigned long count); /* * Internals. Dont't use.. */ -extern rwlock_t vmlist_lock; -extern struct vm_struct *vmlist; +extern struct list_head vmap_area_list; extern __init void vm_area_add_early(struct vm_struct *vm); extern __init void vm_area_register_early(struct vm_struct *vm, size_t align); @@ -158,4 +170,22 @@ pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) # endif #endif +struct vmalloc_info { + unsigned long used; + unsigned long largest_chunk; +}; + +#ifdef CONFIG_MMU +#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) +extern void get_vmalloc_info(struct vmalloc_info *vmi); +#else + +#define VMALLOC_TOTAL 0UL +#define get_vmalloc_info(vmi) \ +do { \ + (vmi)->used = 0; \ + (vmi)->largest_chunk = 0; \ +} while (0) +#endif + #endif /* _LINUX_VMALLOC_H */ diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h new file mode 100644 index 00000000000..76be077340e --- /dev/null +++ b/include/linux/vmpressure.h @@ -0,0 +1,47 @@ +#ifndef __LINUX_VMPRESSURE_H +#define __LINUX_VMPRESSURE_H + +#include <linux/mutex.h> +#include <linux/list.h> +#include <linux/workqueue.h> +#include <linux/gfp.h> +#include <linux/types.h> +#include <linux/cgroup.h> + +struct vmpressure { + unsigned long scanned; + unsigned long reclaimed; + /* The lock is used to keep the scanned/reclaimed above in sync. */ + struct mutex sr_lock; + + /* The list of vmpressure_event structs. */ + struct list_head events; + /* Have to grab the lock on events traversal or modifications. */ + struct mutex events_lock; + + struct work_struct work; +}; + +struct mem_cgroup; + +#ifdef CONFIG_MEMCG +extern void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, + unsigned long scanned, unsigned long reclaimed); +extern void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg, int prio); + +extern void vmpressure_init(struct vmpressure *vmpr); +extern struct vmpressure *memcg_to_vmpressure(struct mem_cgroup *memcg); +extern struct cgroup_subsys_state *vmpressure_to_css(struct vmpressure *vmpr); +extern struct vmpressure *css_to_vmpressure(struct cgroup_subsys_state *css); +extern int vmpressure_register_event(struct cgroup *cg, struct cftype *cft, + struct eventfd_ctx *eventfd, + const char *args); +extern void vmpressure_unregister_event(struct cgroup *cg, struct cftype *cft, + struct eventfd_ctx *eventfd); +#else +static inline void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, + unsigned long scanned, unsigned long reclaimed) {} +static inline void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg, + int prio) {} +#endif /* CONFIG_MEMCG */ +#endif /* __LINUX_VMPRESSURE_H */ diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 5fd71a7d0df..c586679b6fe 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -48,13 +48,8 @@ static inline void count_vm_events(enum vm_event_item item, long delta) } extern void all_vm_events(unsigned long *); -#ifdef CONFIG_HOTPLUG + extern void vm_events_fold_cpu(int cpu); -#else -static inline void vm_events_fold_cpu(int cpu) -{ -} -#endif #else diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 8afab27cdbc..71797563937 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -11,6 +11,7 @@ #include <linux/lockdep.h> #include <linux/threads.h> #include <linux/atomic.h> +#include <linux/cpumask.h> struct workqueue_struct; @@ -68,7 +69,7 @@ enum { WORK_STRUCT_COLOR_BITS, /* data contains off-queue information when !WORK_STRUCT_PWQ */ - WORK_OFFQ_FLAG_BASE = WORK_STRUCT_FLAG_BITS, + WORK_OFFQ_FLAG_BASE = WORK_STRUCT_COLOR_SHIFT, WORK_OFFQ_CANCELING = (1 << WORK_OFFQ_FLAG_BASE), @@ -115,6 +116,20 @@ struct delayed_work { int cpu; }; +/* + * A struct for workqueue attributes. This can be used to change + * attributes of an unbound workqueue. + * + * Unlike other fields, ->no_numa isn't a property of a worker_pool. It + * only modifies how apply_workqueue_attrs() select pools and thus doesn't + * participate in pool hash calculations or equality comparisons. + */ +struct workqueue_attrs { + int nice; /* nice level */ + cpumask_var_t cpumask; /* allowed CPUs */ + bool no_numa; /* disable NUMA affinity */ +}; + static inline struct delayed_work *to_delayed_work(struct work_struct *work) { return container_of(work, struct delayed_work, work); @@ -283,9 +298,10 @@ enum { WQ_MEM_RECLAIM = 1 << 3, /* may be used for memory reclaim */ WQ_HIGHPRI = 1 << 4, /* high priority */ WQ_CPU_INTENSIVE = 1 << 5, /* cpu instensive workqueue */ + WQ_SYSFS = 1 << 6, /* visible in sysfs, see wq_sysfs_register() */ - WQ_DRAINING = 1 << 6, /* internal: workqueue is draining */ - WQ_RESCUER = 1 << 7, /* internal: workqueue has rescuer */ + __WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */ + __WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */ WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */ WQ_MAX_UNBOUND_PER_CPU = 4, /* 4 * #cpus for unbound wq */ @@ -388,7 +404,7 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, * Pointer to the allocated workqueue on success, %NULL on failure. */ #define alloc_ordered_workqueue(fmt, flags, args...) \ - alloc_workqueue(fmt, WQ_UNBOUND | (flags), 1, ##args) + alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | (flags), 1, ##args) #define create_workqueue(name) \ alloc_workqueue((name), WQ_MEM_RECLAIM, 1) @@ -399,30 +415,23 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, extern void destroy_workqueue(struct workqueue_struct *wq); +struct workqueue_attrs *alloc_workqueue_attrs(gfp_t gfp_mask); +void free_workqueue_attrs(struct workqueue_attrs *attrs); +int apply_workqueue_attrs(struct workqueue_struct *wq, + const struct workqueue_attrs *attrs); + extern bool queue_work_on(int cpu, struct workqueue_struct *wq, struct work_struct *work); -extern bool queue_work(struct workqueue_struct *wq, struct work_struct *work); extern bool queue_delayed_work_on(int cpu, struct workqueue_struct *wq, struct delayed_work *work, unsigned long delay); -extern bool queue_delayed_work(struct workqueue_struct *wq, - struct delayed_work *work, unsigned long delay); extern bool mod_delayed_work_on(int cpu, struct workqueue_struct *wq, struct delayed_work *dwork, unsigned long delay); -extern bool mod_delayed_work(struct workqueue_struct *wq, - struct delayed_work *dwork, unsigned long delay); extern void flush_workqueue(struct workqueue_struct *wq); extern void drain_workqueue(struct workqueue_struct *wq); extern void flush_scheduled_work(void); -extern bool schedule_work_on(int cpu, struct work_struct *work); -extern bool schedule_work(struct work_struct *work); -extern bool schedule_delayed_work_on(int cpu, struct delayed_work *work, - unsigned long delay); -extern bool schedule_delayed_work(struct delayed_work *work, - unsigned long delay); extern int schedule_on_each_cpu(work_func_t func); -extern int keventd_up(void); int execute_in_process_context(work_func_t fn, struct execute_work *); @@ -435,9 +444,121 @@ extern bool cancel_delayed_work_sync(struct delayed_work *dwork); extern void workqueue_set_max_active(struct workqueue_struct *wq, int max_active); -extern bool workqueue_congested(unsigned int cpu, struct workqueue_struct *wq); +extern bool current_is_workqueue_rescuer(void); +extern bool workqueue_congested(int cpu, struct workqueue_struct *wq); extern unsigned int work_busy(struct work_struct *work); +/** + * queue_work - queue work on a workqueue + * @wq: workqueue to use + * @work: work to queue + * + * Returns %false if @work was already on a queue, %true otherwise. + * + * We queue the work to the CPU on which it was submitted, but if the CPU dies + * it can be processed by another CPU. + */ +static inline bool queue_work(struct workqueue_struct *wq, + struct work_struct *work) +{ + return queue_work_on(WORK_CPU_UNBOUND, wq, work); +} + +/** + * queue_delayed_work - queue work on a workqueue after delay + * @wq: workqueue to use + * @dwork: delayable work to queue + * @delay: number of jiffies to wait before queueing + * + * Equivalent to queue_delayed_work_on() but tries to use the local CPU. + */ +static inline bool queue_delayed_work(struct workqueue_struct *wq, + struct delayed_work *dwork, + unsigned long delay) +{ + return queue_delayed_work_on(WORK_CPU_UNBOUND, wq, dwork, delay); +} + +/** + * mod_delayed_work - modify delay of or queue a delayed work + * @wq: workqueue to use + * @dwork: work to queue + * @delay: number of jiffies to wait before queueing + * + * mod_delayed_work_on() on local CPU. + */ +static inline bool mod_delayed_work(struct workqueue_struct *wq, + struct delayed_work *dwork, + unsigned long delay) +{ + return mod_delayed_work_on(WORK_CPU_UNBOUND, wq, dwork, delay); +} + +/** + * schedule_work_on - put work task on a specific cpu + * @cpu: cpu to put the work task on + * @work: job to be done + * + * This puts a job on a specific cpu + */ +static inline bool schedule_work_on(int cpu, struct work_struct *work) +{ + return queue_work_on(cpu, system_wq, work); +} + +/** + * schedule_work - put work task in global workqueue + * @work: job to be done + * + * Returns %false if @work was already on the kernel-global workqueue and + * %true otherwise. + * + * This puts a job in the kernel-global workqueue if it was not already + * queued and leaves it in the same position on the kernel-global + * workqueue otherwise. + */ +static inline bool schedule_work(struct work_struct *work) +{ + return queue_work(system_wq, work); +} + +/** + * schedule_delayed_work_on - queue work in global workqueue on CPU after delay + * @cpu: cpu to use + * @dwork: job to be done + * @delay: number of jiffies to wait + * + * After waiting for a given time this puts a job in the kernel-global + * workqueue on the specified CPU. + */ +static inline bool schedule_delayed_work_on(int cpu, struct delayed_work *dwork, + unsigned long delay) +{ + return queue_delayed_work_on(cpu, system_wq, dwork, delay); +} + +/** + * schedule_delayed_work - put work task in global workqueue after delay + * @dwork: job to be done + * @delay: number of jiffies to wait or 0 for immediate execution + * + * After waiting for a given time this puts a job in the kernel-global + * workqueue. + */ +static inline bool schedule_delayed_work(struct delayed_work *dwork, + unsigned long delay) +{ + return queue_delayed_work(system_wq, dwork, delay); +} + +/** + * keventd_up - is workqueue initialized yet? + */ +static inline bool keventd_up(void) +{ + return system_wq != NULL; +} + /* * Like above, but uses del_timer() instead of del_timer_sync(). This means, * if it returns 0 the timer function may be running and the queueing is in @@ -466,12 +587,12 @@ static inline bool __deprecated flush_delayed_work_sync(struct delayed_work *dwo } #ifndef CONFIG_SMP -static inline long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg) +static inline long work_on_cpu(int cpu, long (*fn)(void *), void *arg) { return fn(arg); } #else -long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg); +long work_on_cpu(int cpu, long (*fn)(void *), void *arg); #endif /* CONFIG_SMP */ #ifdef CONFIG_FREEZER @@ -480,4 +601,11 @@ extern bool freeze_workqueues_busy(void); extern void thaw_workqueues(void); #endif /* CONFIG_FREEZER */ +#ifdef CONFIG_SYSFS +int workqueue_sysfs_register(struct workqueue_struct *wq); +#else /* CONFIG_SYSFS */ +static inline int workqueue_sysfs_register(struct workqueue_struct *wq) +{ return 0; } +#endif /* CONFIG_SYSFS */ + #endif |