diff options
Diffstat (limited to 'include/linux')
98 files changed, 2864 insertions, 550 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index a3323f337e4d..12e9a2957caf 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -371,3 +371,5 @@ unifdef-y += xattr.h unifdef-y += xfrm.h objhdr-y += version.h +header-y += wimax.h +header-y += wimax/ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index fba8051fb297..6fce2fc2d124 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -131,22 +131,6 @@ extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity); */ void acpi_unregister_gsi (u32 gsi); -struct acpi_prt_entry { - struct list_head node; - struct acpi_pci_id id; - u8 pin; - struct { - acpi_handle handle; - u32 index; - } link; - u32 irq; -}; - -struct acpi_prt_list { - int count; - struct list_head entries; -}; - struct pci_dev; int acpi_pci_irq_enable (struct pci_dev *dev); @@ -270,6 +254,7 @@ int acpi_check_mem_region(resource_size_t start, resource_size_t n, #ifdef CONFIG_PM_SLEEP void __init acpi_no_s4_hw_signature(void); void __init acpi_old_suspend_ordering(void); +void __init acpi_s4_no_nvs(void); #endif /* CONFIG_PM_SLEEP */ #else /* CONFIG_ACPI */ diff --git a/include/linux/async.h b/include/linux/async.h new file mode 100644 index 000000000000..c4ecacd0b327 --- /dev/null +++ b/include/linux/async.h @@ -0,0 +1,25 @@ +/* + * async.h: Asynchronous function calls for boot performance + * + * (C) Copyright 2009 Intel Corporation + * Author: Arjan van de Ven <arjan@linux.intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 + * of the License. + */ + +#include <linux/types.h> +#include <linux/list.h> + +typedef u64 async_cookie_t; +typedef void (async_func_ptr) (void *data, async_cookie_t cookie); + +extern async_cookie_t async_schedule(async_func_ptr *ptr, void *data); +extern async_cookie_t async_schedule_special(async_func_ptr *ptr, void *data, struct list_head *list); +extern void async_synchronize_full(void); +extern void async_synchronize_full_special(struct list_head *list); +extern void async_synchronize_cookie(async_cookie_t cookie); +extern void async_synchronize_cookie_special(async_cookie_t cookie, struct list_head *list); + diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h index 0f50d4cc4360..45f6297821bd 100644 --- a/include/linux/async_tx.h +++ b/include/linux/async_tx.h @@ -59,9 +59,7 @@ enum async_tx_flags { }; #ifdef CONFIG_DMA_ENGINE -void async_tx_issue_pending_all(void); -enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx); -void async_tx_run_dependencies(struct dma_async_tx_descriptor *tx); +#define async_tx_issue_pending_all dma_issue_pending_all #ifdef CONFIG_ARCH_HAS_ASYNC_TX_FIND_CHANNEL #include <asm/async_tx.h> #else @@ -77,19 +75,6 @@ static inline void async_tx_issue_pending_all(void) do { } while (0); } -static inline enum dma_status -dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx) -{ - return DMA_SUCCESS; -} - -static inline void -async_tx_run_dependencies(struct dma_async_tx_descriptor *tx, - struct dma_chan *host_chan) -{ - do { } while (0); -} - static inline struct dma_chan * async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, enum dma_transaction_type tx_type, struct page **dst, int dst_count, diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h new file mode 100644 index 000000000000..2f1f95737acb --- /dev/null +++ b/include/linux/atmel-mci.h @@ -0,0 +1,39 @@ +#ifndef __LINUX_ATMEL_MCI_H +#define __LINUX_ATMEL_MCI_H + +#define ATMEL_MCI_MAX_NR_SLOTS 2 + +#include <linux/dw_dmac.h> + +/** + * struct mci_slot_pdata - board-specific per-slot configuration + * @bus_width: Number of data lines wired up the slot + * @detect_pin: GPIO pin wired to the card detect switch + * @wp_pin: GPIO pin wired to the write protect sensor + * + * If a given slot is not present on the board, @bus_width should be + * set to 0. The other fields are ignored in this case. + * + * Any pins that aren't available should be set to a negative value. + * + * Note that support for multiple slots is experimental -- some cards + * might get upset if we don't get the clock management exactly right. + * But in most cases, it should work just fine. + */ +struct mci_slot_pdata { + unsigned int bus_width; + int detect_pin; + int wp_pin; +}; + +/** + * struct mci_platform_data - board-specific MMC/SDcard configuration + * @dma_slave: DMA slave interface to use in data transfers. + * @slot: Per-slot configuration data. + */ +struct mci_platform_data { + struct dw_dma_slave dma_slave; + struct mci_slot_pdata slot[ATMEL_MCI_MAX_NR_SLOTS]; +}; + +#endif /* __LINUX_ATMEL_MCI_H */ diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index d7afa9dd6635..f3b5d4e3a2ac 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -23,16 +23,16 @@ #define AT_PLATFORM 15 /* string identifying CPU for optimizations */ #define AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ #define AT_CLKTCK 17 /* frequency at which times() increments */ - +/* AT_* values 18 through 22 are reserved */ #define AT_SECURE 23 /* secure mode boolean */ - #define AT_BASE_PLATFORM 24 /* string identifying real platform, may * differ from AT_PLATFORM. */ +#define AT_RANDOM 25 /* address of 16 random bytes */ #define AT_EXECFN 31 /* filename of program */ #ifdef __KERNEL__ -#define AT_VECTOR_SIZE_BASE 18 /* NEW_AUX_ENT entries in auxiliary table */ +#define AT_VECTOR_SIZE_BASE 19 /* NEW_AUX_ENT entries in auxiliary table */ /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */ #endif diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 1ee9488ca2e4..79ca2da81c87 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -31,6 +31,10 @@ struct backlight_device; struct fb_info; struct backlight_ops { + unsigned int options; + +#define BL_CORE_SUSPENDRESUME (1 << 0) + /* Notify the backlight driver some property has changed */ int (*update_status)(struct backlight_device *); /* Return the current backlight brightness (accounting for power, @@ -51,7 +55,19 @@ struct backlight_properties { modes; 4: full off), see FB_BLANK_XXX */ int power; /* FB Blanking active? (values as for power) */ + /* Due to be removed, please use (state & BL_CORE_FBBLANK) */ int fb_blank; + /* Flags used to signal drivers of state changes */ + /* Upper 4 bits are reserved for driver internal use */ + unsigned int state; + +#define BL_CORE_SUSPENDED (1 << 0) /* backlight is suspended */ +#define BL_CORE_FBBLANK (1 << 1) /* backlight is under an fb blank event */ +#define BL_CORE_DRIVER4 (1 << 28) /* reserved for driver specific use */ +#define BL_CORE_DRIVER3 (1 << 29) /* reserved for driver specific use */ +#define BL_CORE_DRIVER2 (1 << 30) /* reserved for driver specific use */ +#define BL_CORE_DRIVER1 (1 << 31) /* reserved for driver specific use */ + }; struct backlight_device { diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 7035cec583b6..044467ef7b11 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -690,6 +690,8 @@ struct rq_map_data { struct page **pages; int page_order; int nr_entries; + unsigned long offset; + int null_mapped; }; struct req_iterator { diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 8605f8a74df9..bd7ac793be19 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -171,7 +171,7 @@ void __wait_on_buffer(struct buffer_head *); wait_queue_head_t *bh_waitq_head(struct buffer_head *bh); int fsync_bdev(struct block_device *); struct super_block *freeze_bdev(struct block_device *); -void thaw_bdev(struct block_device *, struct super_block *); +int thaw_bdev(struct block_device *, struct super_block *); int fsync_super(struct super_block *); int fsync_no_super(struct block_device *); struct buffer_head *__find_get_block(struct block_device *bdev, sector_t block, @@ -346,6 +346,15 @@ static inline int remove_inode_buffers(struct inode *inode) { return 1; } static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; } static inline void invalidate_bdev(struct block_device *bdev) {} +static inline struct super_block *freeze_bdev(struct block_device *sb) +{ + return NULL; +} + +static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb) +{ + return 0; +} #endif /* CONFIG_BLOCK */ #endif /* _LINUX_BUFFER_HEAD_H */ diff --git a/include/linux/can/core.h b/include/linux/can/core.h index f50785ad4781..25085cbadcfc 100644 --- a/include/linux/can/core.h +++ b/include/linux/can/core.h @@ -19,7 +19,7 @@ #include <linux/skbuff.h> #include <linux/netdevice.h> -#define CAN_VERSION "20081130" +#define CAN_VERSION "20090105" /* increment this number each time you change some user-space interface */ #define CAN_ABI_VERSION "8" diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 08b78c09b09a..e267e62827bb 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -52,9 +52,9 @@ struct cgroup_subsys_state { * hierarchy structure */ struct cgroup *cgroup; - /* State maintained by the cgroup system to allow - * subsystems to be "busy". Should be accessed via css_get() - * and css_put() */ + /* State maintained by the cgroup system to allow subsystems + * to be "busy". Should be accessed via css_get(), + * css_tryget() and and css_put(). */ atomic_t refcnt; @@ -64,11 +64,14 @@ struct cgroup_subsys_state { /* bits in struct cgroup_subsys_state flags field */ enum { CSS_ROOT, /* This CSS is the root of the subsystem */ + CSS_REMOVED, /* This CSS is dead */ }; /* - * Call css_get() to hold a reference on the cgroup; - * + * Call css_get() to hold a reference on the css; it can be used + * for a reference obtained via: + * - an existing ref-counted reference to the css + * - task->cgroups for a locked task */ static inline void css_get(struct cgroup_subsys_state *css) @@ -77,9 +80,32 @@ static inline void css_get(struct cgroup_subsys_state *css) if (!test_bit(CSS_ROOT, &css->flags)) atomic_inc(&css->refcnt); } + +static inline bool css_is_removed(struct cgroup_subsys_state *css) +{ + return test_bit(CSS_REMOVED, &css->flags); +} + +/* + * Call css_tryget() to take a reference on a css if your existing + * (known-valid) reference isn't already ref-counted. Returns false if + * the css has been destroyed. + */ + +static inline bool css_tryget(struct cgroup_subsys_state *css) +{ + if (test_bit(CSS_ROOT, &css->flags)) + return true; + while (!atomic_inc_not_zero(&css->refcnt)) { + if (test_bit(CSS_REMOVED, &css->flags)) + return false; + } + return true; +} + /* * css_put() should be called to release a reference taken by - * css_get() + * css_get() or css_tryget() */ extern void __css_put(struct cgroup_subsys_state *css); @@ -116,7 +142,7 @@ struct cgroup { struct list_head children; /* my children */ struct cgroup *parent; /* my parent */ - struct dentry *dentry; /* cgroup fs entry */ + struct dentry *dentry; /* cgroup fs entry, RCU protected */ /* Private pointers for each registered subsystem */ struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT]; @@ -145,6 +171,9 @@ struct cgroup { int pids_use_count; /* Length of the current tasks_pids array */ int pids_length; + + /* For RCU-protected deletion */ + struct rcu_head rcu_head; }; /* A css_set is a structure holding pointers to a set of @@ -337,9 +366,23 @@ struct cgroup_subsys { #define MAX_CGROUP_TYPE_NAMELEN 32 const char *name; - /* Protected by RCU */ - struct cgroupfs_root *root; + /* + * Protects sibling/children links of cgroups in this + * hierarchy, plus protects which hierarchy (or none) the + * subsystem is a part of (i.e. root/sibling). To avoid + * potential deadlocks, the following operations should not be + * undertaken while holding any hierarchy_mutex: + * + * - allocating memory + * - initiating hotplug events + */ + struct mutex hierarchy_mutex; + /* + * Link to parent, and list entry in parent's children. + * Protected by this->hierarchy_mutex and cgroup_lock() + */ + struct cgroupfs_root *root; struct list_head sibling; }; diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index af40f8eb86f0..1514d534deeb 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -11,9 +11,19 @@ /* The "volatile" is due to gcc bugs */ #define barrier() __asm__ __volatile__("": : :"memory") -/* This macro obfuscates arithmetic on a variable address so that gcc - shouldn't recognize the original var, and make assumptions about it */ /* + * This macro obfuscates arithmetic on a variable address so that gcc + * shouldn't recognize the original var, and make assumptions about it. + * + * This is needed because the C standard makes it undefined to do + * pointer arithmetic on "objects" outside their boundaries and the + * gcc optimizers assume this is the case. In particular they + * assume such arithmetic does not wrap. + * + * A miscompilation has been observed because of this on PPC. + * To work around it we hide the relationship of the pointer and the object + * using this macro. + * * Versions of the ppc64 compiler before 4.1 had a bug where use of * RELOC_HIDE could trash r30. The bug can be worked around by changing * the inline assembly constraint from =g to =r, in this particular diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 484b3abf61bb..384b38d3e8e2 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -80,8 +80,8 @@ struct cpufreq_real_policy { }; struct cpufreq_policy { - cpumask_t cpus; /* CPUs requiring sw coordination */ - cpumask_t related_cpus; /* CPUs with any coordination */ + cpumask_var_t cpus; /* CPUs requiring sw coordination */ + cpumask_var_t related_cpus; /* CPUs with any coordination */ unsigned int shared_type; /* ANY or ALL affected CPUs should set cpufreq */ unsigned int cpu; /* cpu nr of registered CPU */ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 51ea2bdea0f9..90c6074a36ca 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -20,8 +20,9 @@ extern int number_of_cpusets; /* How many cpusets are defined in system? */ extern int cpuset_init_early(void); extern int cpuset_init(void); extern void cpuset_init_smp(void); -extern void cpuset_cpus_allowed(struct task_struct *p, cpumask_t *mask); -extern void cpuset_cpus_allowed_locked(struct task_struct *p, cpumask_t *mask); +extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask); +extern void cpuset_cpus_allowed_locked(struct task_struct *p, + struct cpumask *mask); extern nodemask_t cpuset_mems_allowed(struct task_struct *p); #define cpuset_current_mems_allowed (current->mems_allowed) void cpuset_init_current_mems_allowed(void); @@ -86,12 +87,13 @@ static inline int cpuset_init_early(void) { return 0; } static inline int cpuset_init(void) { return 0; } static inline void cpuset_init_smp(void) {} -static inline void cpuset_cpus_allowed(struct task_struct *p, cpumask_t *mask) +static inline void cpuset_cpus_allowed(struct task_struct *p, + struct cpumask *mask) { *mask = cpu_possible_map; } static inline void cpuset_cpus_allowed_locked(struct task_struct *p, - cpumask_t *mask) + struct cpumask *mask) { *mask = cpu_possible_map; } diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index e1a6c046cea3..23936b16426b 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -63,6 +63,8 @@ struct dentry *debugfs_create_x16(const char *name, mode_t mode, struct dentry *parent, u16 *value); struct dentry *debugfs_create_x32(const char *name, mode_t mode, struct dentry *parent, u32 *value); +struct dentry *debugfs_create_size_t(const char *name, mode_t mode, + struct dentry *parent, size_t *value); struct dentry *debugfs_create_bool(const char *name, mode_t mode, struct dentry *parent, u32 *value); diff --git a/include/linux/device.h b/include/linux/device.h index 7d9da4b4993f..45e5b1921fbb 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -28,7 +28,6 @@ #define BUS_ID_SIZE 20 struct device; -struct device_private; struct device_driver; struct driver_private; struct class; @@ -366,10 +365,12 @@ struct device_dma_parameters { }; struct device { + struct klist klist_children; + struct klist_node knode_parent; /* node in sibling list */ + struct klist_node knode_driver; + struct klist_node knode_bus; struct device *parent; - struct device_private *p; - struct kobject kobj; char bus_id[BUS_ID_SIZE]; /* position on parent bus */ unsigned uevent_suppress:1; diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index adb0b084eb5a..64dea2ab326c 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -29,32 +29,6 @@ #include <linux/dma-mapping.h> /** - * enum dma_state - resource PNP/power management state - * @DMA_RESOURCE_SUSPEND: DMA device going into low power state - * @DMA_RESOURCE_RESUME: DMA device returning to full power - * @DMA_RESOURCE_AVAILABLE: DMA device available to the system - * @DMA_RESOURCE_REMOVED: DMA device removed from the system - */ -enum dma_state { - DMA_RESOURCE_SUSPEND, - DMA_RESOURCE_RESUME, - DMA_RESOURCE_AVAILABLE, - DMA_RESOURCE_REMOVED, -}; - -/** - * enum dma_state_client - state of the channel in the client - * @DMA_ACK: client would like to use, or was using this channel - * @DMA_DUP: client has already seen this channel, or is not using this channel - * @DMA_NAK: client does not want to see any more channels - */ -enum dma_state_client { - DMA_ACK, - DMA_DUP, - DMA_NAK, -}; - -/** * typedef dma_cookie_t - an opaque DMA cookie * * if dma_cookie_t is >0 it's a DMA request cookie, <0 it's an error code @@ -89,23 +63,13 @@ enum dma_transaction_type { DMA_MEMSET, DMA_MEMCPY_CRC32C, DMA_INTERRUPT, + DMA_PRIVATE, DMA_SLAVE, }; /* last transaction type for creation of the capabilities mask */ #define DMA_TX_TYPE_END (DMA_SLAVE + 1) -/** - * enum dma_slave_width - DMA slave register access width. - * @DMA_SLAVE_WIDTH_8BIT: Do 8-bit slave register accesses - * @DMA_SLAVE_WIDTH_16BIT: Do 16-bit slave register accesses - * @DMA_SLAVE_WIDTH_32BIT: Do 32-bit slave register accesses - */ -enum dma_slave_width { - DMA_SLAVE_WIDTH_8BIT, - DMA_SLAVE_WIDTH_16BIT, - DMA_SLAVE_WIDTH_32BIT, -}; /** * enum dma_ctrl_flags - DMA flags to augment operation preparation, @@ -132,32 +96,6 @@ enum dma_ctrl_flags { typedef struct { DECLARE_BITMAP(bits, DMA_TX_TYPE_END); } dma_cap_mask_t; /** - * struct dma_slave - Information about a DMA slave - * @dev: device acting as DMA slave - * @dma_dev: required DMA master device. If non-NULL, the client can not be - * bound to other masters than this. - * @tx_reg: physical address of data register used for - * memory-to-peripheral transfers - * @rx_reg: physical address of data register used for - * peripheral-to-memory transfers - * @reg_width: peripheral register width - * - * If dma_dev is non-NULL, the client can not be bound to other DMA - * masters than the one corresponding to this device. The DMA master - * driver may use this to determine if there is controller-specific - * data wrapped around this struct. Drivers of platform code that sets - * the dma_dev field must therefore make sure to use an appropriate - * controller-specific dma slave structure wrapping this struct. - */ -struct dma_slave { - struct device *dev; - struct device *dma_dev; - dma_addr_t tx_reg; - dma_addr_t rx_reg; - enum dma_slave_width reg_width; -}; - -/** * struct dma_chan_percpu - the per-CPU part of struct dma_chan * @refcount: local_t used for open-coded "bigref" counting * @memcpy_count: transaction counter @@ -165,7 +103,6 @@ struct dma_slave { */ struct dma_chan_percpu { - local_t refcount; /* stats */ unsigned long memcpy_count; unsigned long bytes_transferred; @@ -176,13 +113,14 @@ struct dma_chan_percpu { * @device: ptr to the dma device who supplies this channel, always !%NULL * @cookie: last cookie value returned to client * @chan_id: channel ID for sysfs - * @class_dev: class device for sysfs + * @dev: class device for sysfs * @refcount: kref, used in "bigref" slow-mode * @slow_ref: indicates that the DMA channel is free * @rcu: the DMA channel's RCU head * @device_node: used to add this to the device chan list * @local: per-cpu pointer to a struct dma_chan_percpu * @client-count: how many clients are using this channel + * @table_count: number of appearances in the mem-to-mem allocation table */ struct dma_chan { struct dma_device *device; @@ -190,73 +128,47 @@ struct dma_chan { /* sysfs */ int chan_id; - struct device dev; - - struct kref refcount; - int slow_ref; - struct rcu_head rcu; + struct dma_chan_dev *dev; struct list_head device_node; struct dma_chan_percpu *local; int client_count; + int table_count; }; -#define to_dma_chan(p) container_of(p, struct dma_chan, dev) - -void dma_chan_cleanup(struct kref *kref); - -static inline void dma_chan_get(struct dma_chan *chan) -{ - if (unlikely(chan->slow_ref)) - kref_get(&chan->refcount); - else { - local_inc(&(per_cpu_ptr(chan->local, get_cpu())->refcount)); - put_cpu(); - } -} +/** + * struct dma_chan_dev - relate sysfs device node to backing channel device + * @chan - driver channel device + * @device - sysfs device + * @dev_id - parent dma_device dev_id + * @idr_ref - reference count to gate release of dma_device dev_id + */ +struct dma_chan_dev { + struct dma_chan *chan; + struct device device; + int dev_id; + atomic_t *idr_ref; +}; -static inline void dma_chan_put(struct dma_chan *chan) +static inline const char *dma_chan_name(struct dma_chan *chan) { - if (unlikely(chan->slow_ref)) - kref_put(&chan->refcount, dma_chan_cleanup); - else { - local_dec(&(per_cpu_ptr(chan->local, get_cpu())->refcount)); - put_cpu(); - } + return dev_name(&chan->dev->device); } -/* - * typedef dma_event_callback - function pointer to a DMA event callback - * For each channel added to the system this routine is called for each client. - * If the client would like to use the channel it returns '1' to signal (ack) - * the dmaengine core to take out a reference on the channel and its - * corresponding device. A client must not 'ack' an available channel more - * than once. When a channel is removed all clients are notified. If a client - * is using the channel it must 'ack' the removal. A client must not 'ack' a - * removed channel more than once. - * @client - 'this' pointer for the client context - * @chan - channel to be acted upon - * @state - available or removed - */ -struct dma_client; -typedef enum dma_state_client (*dma_event_callback) (struct dma_client *client, - struct dma_chan *chan, enum dma_state state); +void dma_chan_cleanup(struct kref *kref); /** - * struct dma_client - info on the entity making use of DMA services - * @event_callback: func ptr to call when something happens - * @cap_mask: only return channels that satisfy the requested capabilities - * a value of zero corresponds to any capability - * @slave: data for preparing slave transfer. Must be non-NULL iff the - * DMA_SLAVE capability is requested. - * @global_node: list_head for global dma_client_list + * typedef dma_filter_fn - callback filter for dma_request_channel + * @chan: channel to be reviewed + * @filter_param: opaque parameter passed through dma_request_channel + * + * When this optional parameter is specified in a call to dma_request_channel a + * suitable channel is passed to this routine for further dispositioning before + * being returned. Where 'suitable' indicates a non-busy channel that + * satisfies the given capability mask. It returns 'true' to indicate that the + * channel is suitable. */ -struct dma_client { - dma_event_callback event_callback; - dma_cap_mask_t cap_mask; - struct dma_slave *slave; - struct list_head global_node; -}; +typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param); typedef void (*dma_async_tx_callback)(void *dma_async_param); /** @@ -323,14 +235,10 @@ struct dma_device { dma_cap_mask_t cap_mask; int max_xor; - struct kref refcount; - struct completion done; - int dev_id; struct device *dev; - int (*device_alloc_chan_resources)(struct dma_chan *chan, - struct dma_client *client); + int (*device_alloc_chan_resources)(struct dma_chan *chan); void (*device_free_chan_resources)(struct dma_chan *chan); struct dma_async_tx_descriptor *(*device_prep_dma_memcpy)( @@ -362,9 +270,8 @@ struct dma_device { /* --- public DMA engine API --- */ -void dma_async_client_register(struct dma_client *client); -void dma_async_client_unregister(struct dma_client *client); -void dma_async_client_chan_request(struct dma_client *client); +void dmaengine_get(void); +void dmaengine_put(void); dma_cookie_t dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest, void *src, size_t len); dma_cookie_t dma_async_memcpy_buf_to_pg(struct dma_chan *chan, @@ -406,6 +313,12 @@ __dma_cap_set(enum dma_transaction_type tx_type, dma_cap_mask_t *dstp) set_bit(tx_type, dstp->bits); } +#define dma_cap_zero(mask) __dma_cap_zero(&(mask)) +static inline void __dma_cap_zero(dma_cap_mask_t *dstp) +{ + bitmap_zero(dstp->bits, DMA_TX_TYPE_END); +} + #define dma_has_cap(tx, mask) __dma_has_cap((tx), &(mask)) static inline int __dma_has_cap(enum dma_transaction_type tx_type, dma_cap_mask_t *srcp) @@ -475,11 +388,25 @@ static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie, } enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie); +#ifdef CONFIG_DMA_ENGINE +enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx); +#else +static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx) +{ + return DMA_SUCCESS; +} +#endif /* --- DMA device --- */ int dma_async_device_register(struct dma_device *device); void dma_async_device_unregister(struct dma_device *device); +void dma_run_dependencies(struct dma_async_tx_descriptor *tx); +struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type); +void dma_issue_pending_all(void); +#define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y) +struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, void *fn_param); +void dma_release_channel(struct dma_chan *chan); /* --- Helper iov-locking functions --- */ diff --git a/include/linux/dw_dmac.h b/include/linux/dw_dmac.h index 04d217b442bf..d797dde247f7 100644 --- a/include/linux/dw_dmac.h +++ b/include/linux/dw_dmac.h @@ -22,14 +22,34 @@ struct dw_dma_platform_data { }; /** + * enum dw_dma_slave_width - DMA slave register access width. + * @DMA_SLAVE_WIDTH_8BIT: Do 8-bit slave register accesses + * @DMA_SLAVE_WIDTH_16BIT: Do 16-bit slave register accesses + * @DMA_SLAVE_WIDTH_32BIT: Do 32-bit slave register accesses + */ +enum dw_dma_slave_width { + DW_DMA_SLAVE_WIDTH_8BIT, + DW_DMA_SLAVE_WIDTH_16BIT, + DW_DMA_SLAVE_WIDTH_32BIT, +}; + +/** * struct dw_dma_slave - Controller-specific information about a slave - * @slave: Generic information about the slave - * @ctl_lo: Platform-specific initializer for the CTL_LO register + * + * @dma_dev: required DMA master device + * @tx_reg: physical address of data register used for + * memory-to-peripheral transfers + * @rx_reg: physical address of data register used for + * peripheral-to-memory transfers + * @reg_width: peripheral register width * @cfg_hi: Platform-specific initializer for the CFG_HI register * @cfg_lo: Platform-specific initializer for the CFG_LO register */ struct dw_dma_slave { - struct dma_slave slave; + struct device *dma_dev; + dma_addr_t tx_reg; + dma_addr_t rx_reg; + enum dw_dma_slave_width reg_width; u32 cfg_hi; u32 cfg_lo; }; @@ -54,9 +74,4 @@ struct dw_dma_slave { #define DWC_CFGL_HS_DST_POL (1 << 18) /* dst handshake active low */ #define DWC_CFGL_HS_SRC_POL (1 << 19) /* src handshake active low */ -static inline struct dw_dma_slave *to_dw_dma_slave(struct dma_slave *slave) -{ - return container_of(slave, struct dw_dma_slave, slave); -} - #endif /* DW_DMAC_H */ diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h index 78c775a83f7c..121720d74e15 100644 --- a/include/linux/ext2_fs.h +++ b/include/linux/ext2_fs.h @@ -194,6 +194,30 @@ struct ext2_group_desc #define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */ #define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */ +/* Flags that should be inherited by new inodes from their parent. */ +#define EXT2_FL_INHERITED (EXT2_SECRM_FL | EXT2_UNRM_FL | EXT2_COMPR_FL |\ + EXT2_SYNC_FL | EXT2_IMMUTABLE_FL | EXT2_APPEND_FL |\ + EXT2_NODUMP_FL | EXT2_NOATIME_FL | EXT2_COMPRBLK_FL|\ + EXT2_NOCOMP_FL | EXT2_JOURNAL_DATA_FL |\ + EXT2_NOTAIL_FL | EXT2_DIRSYNC_FL) + +/* Flags that are appropriate for regular files (all but dir-specific ones). */ +#define EXT2_REG_FLMASK (~(EXT2_DIRSYNC_FL | EXT2_TOPDIR_FL)) + +/* Flags that are appropriate for non-directories/regular files. */ +#define EXT2_OTHER_FLMASK (EXT2_NODUMP_FL | EXT2_NOATIME_FL) + +/* Mask out flags that are inappropriate for the given type of inode. */ +static inline __u32 ext2_mask_flags(umode_t mode, __u32 flags) +{ + if (S_ISDIR(mode)) + return flags; + else if (S_ISREG(mode)) + return flags & EXT2_REG_FLMASK; + else + return flags & EXT2_OTHER_FLMASK; +} + /* * ioctl commands */ diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h index dc541f3653d1..1cdb66367c98 100644 --- a/include/linux/ext2_fs_sb.h +++ b/include/linux/ext2_fs_sb.h @@ -101,7 +101,7 @@ struct ext2_sb_info { struct percpu_counter s_freeblocks_counter; struct percpu_counter s_freeinodes_counter; struct percpu_counter s_dirs_counter; - struct blockgroup_lock s_blockgroup_lock; + struct blockgroup_lock *s_blockgroup_lock; /* root of the per fs reservation window tree */ spinlock_t s_rsv_window_lock; struct rb_root s_rsv_window_root; @@ -111,7 +111,7 @@ struct ext2_sb_info { static inline spinlock_t * sb_bgl_lock(struct ext2_sb_info *sbi, unsigned int block_group) { - return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); + return bgl_lock_ptr(sbi->s_blockgroup_lock, block_group); } #endif /* _LINUX_EXT2_FS_SB */ diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index d14f02918483..dd495b8c3091 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -178,6 +178,30 @@ struct ext3_group_desc #define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ #define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */ +/* Flags that should be inherited by new inodes from their parent. */ +#define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\ + EXT3_SYNC_FL | EXT3_IMMUTABLE_FL | EXT3_APPEND_FL |\ + EXT3_NODUMP_FL | EXT3_NOATIME_FL | EXT3_COMPRBLK_FL|\ + EXT3_NOCOMPR_FL | EXT3_JOURNAL_DATA_FL |\ + EXT3_NOTAIL_FL | EXT3_DIRSYNC_FL) + +/* Flags that are appropriate for regular files (all but dir-specific ones). */ +#define EXT3_REG_FLMASK (~(EXT3_DIRSYNC_FL | EXT3_TOPDIR_FL)) + +/* Flags that are appropriate for non-directories/regular files. */ +#define EXT3_OTHER_FLMASK (EXT3_NODUMP_FL | EXT3_NOATIME_FL) + +/* Mask out flags that are inappropriate for the given type of inode. */ +static inline __u32 ext3_mask_flags(umode_t mode, __u32 flags) +{ + if (S_ISDIR(mode)) + return flags; + else if (S_ISREG(mode)) + return flags & EXT3_REG_FLMASK; + else + return flags & EXT3_OTHER_FLMASK; +} + /* * Inode dynamic state flags */ @@ -354,6 +378,13 @@ struct ext3_inode { #define EXT3_ORPHAN_FS 0x0004 /* Orphans being recovered */ /* + * Misc. filesystem flags + */ +#define EXT2_FLAGS_SIGNED_HASH 0x0001 /* Signed dirhash in use */ +#define EXT2_FLAGS_UNSIGNED_HASH 0x0002 /* Unsigned dirhash in use */ +#define EXT2_FLAGS_TEST_FILESYS 0x0004 /* to test development code */ + +/* * Mount flags */ #define EXT3_MOUNT_CHECK 0x00001 /* Do mount-time checks */ @@ -489,7 +520,23 @@ struct ext3_super_block { __u16 s_reserved_word_pad; __le32 s_default_mount_opts; __le32 s_first_meta_bg; /* First metablock block group */ - __u32 s_reserved[190]; /* Padding to the end of the block */ + __le32 s_mkfs_time; /* When the filesystem was created */ + __le32 s_jnl_blocks[17]; /* Backup of the journal inode */ + /* 64bit support valid if EXT4_FEATURE_COMPAT_64BIT */ +/*150*/ __le32 s_blocks_count_hi; /* Blocks count */ + __le32 s_r_blocks_count_hi; /* Reserved blocks count */ + __le32 s_free_blocks_count_hi; /* Free blocks count */ + __le16 s_min_extra_isize; /* All inodes have at least # bytes */ + __le16 s_want_extra_isize; /* New inodes should reserve # bytes */ + __le32 s_flags; /* Miscellaneous flags */ + __le16 s_raid_stride; /* RAID stride */ + __le16 s_mmp_interval; /* # seconds to wait in MMP checking */ + __le64 s_mmp_block; /* Block for multi-mount protection */ + __le32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/ + __u8 s_log_groups_per_flex; /* FLEX_BG group size */ + __u8 s_reserved_char_pad2; + __le16 s_reserved_pad; + __u32 s_reserved[162]; /* Padding to the end of the block */ }; #ifdef __KERNEL__ @@ -694,6 +741,9 @@ static inline __le16 ext3_rec_len_to_disk(unsigned len) #define DX_HASH_LEGACY 0 #define DX_HASH_HALF_MD4 1 #define DX_HASH_TEA 2 +#define DX_HASH_LEGACY_UNSIGNED 3 +#define DX_HASH_HALF_MD4_UNSIGNED 4 +#define DX_HASH_TEA_UNSIGNED 5 #ifdef __KERNEL__ diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h index e024e38248ff..f07f34de2f0e 100644 --- a/include/linux/ext3_fs_sb.h +++ b/include/linux/ext3_fs_sb.h @@ -57,10 +57,11 @@ struct ext3_sb_info { u32 s_next_generation; u32 s_hash_seed[4]; int s_def_hash_version; + int s_hash_unsigned; /* 3 if hash should be signed, 0 if not */ struct percpu_counter s_freeblocks_counter; struct percpu_counter s_freeinodes_counter; struct percpu_counter s_dirs_counter; - struct blockgroup_lock s_blockgroup_lock; + struct blockgroup_lock *s_blockgroup_lock; /* root of the per fs reservation window tree */ spinlock_t s_rsv_window_lock; @@ -86,7 +87,7 @@ struct ext3_sb_info { static inline spinlock_t * sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group) { - return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); + return bgl_lock_ptr(sbi->s_blockgroup_lock, block_group); } #endif /* _LINUX_EXT3_FS_SB */ diff --git a/include/linux/fs.h b/include/linux/fs.h index d7eba77f666e..6022f44043f2 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -234,6 +234,8 @@ struct inodes_stat_t { #define BMAP_IOCTL 1 /* obsolete - kept for compatibility */ #define FIBMAP _IO(0x00,1) /* bmap access */ #define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */ +#define FIFREEZE _IOWR('X', 119, int) /* Freeze */ +#define FITHAW _IOWR('X', 120, int) /* Thaw */ #define FS_IOC_GETFLAGS _IOR('f', 1, long) #define FS_IOC_SETFLAGS _IOW('f', 2, long) @@ -565,6 +567,7 @@ struct address_space { struct block_device { dev_t bd_dev; /* not a kdev_t - it's a search key */ struct inode * bd_inode; /* will die */ + struct super_block * bd_super; int bd_openers; struct mutex bd_mutex; /* open/close mutex */ struct semaphore bd_mount_sem; @@ -590,6 +593,11 @@ struct block_device { * care to not mess up bd_private for that case. */ unsigned long bd_private; + + /* The counter of freeze processes */ + int bd_fsfreeze_count; + /* Mutex for freeze */ + struct mutex bd_fsfreeze_mutex; }; /* @@ -1184,6 +1192,11 @@ struct super_block { * generic_show_options() */ char *s_options; + + /* + * storage for asynchronous operations + */ + struct list_head s_async_list; }; extern struct timespec current_fs_time(struct super_block *sb); @@ -1371,8 +1384,8 @@ struct super_operations { void (*put_super) (struct super_block *); void (*write_super) (struct super_block *); int (*sync_fs)(struct super_block *sb, int wait); - void (*write_super_lockfs) (struct super_block *); - void (*unlockfs) (struct super_block *); + int (*freeze_fs) (struct super_block *); + int (*unfreeze_fs) (struct super_block *); int (*statfs) (struct dentry *, struct kstatfs *); int (*remount_fs) (struct super_block *, int *, char *); void (*clear_inode) (struct inode *); @@ -1384,6 +1397,7 @@ struct super_operations { ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t); ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); #endif + int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); }; /* diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 33a5992d4936..20873d402467 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -393,11 +393,7 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data) #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */ #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */ #define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */ -#define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */ -#define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */ -#define I2C_CLASS_SOUND (1<<6) /* sound devices */ #define I2C_CLASS_SPD (1<<7) /* SPD EEPROMs and similar */ -#define I2C_CLASS_ALL (UINT_MAX) /* all of the above */ /* i2c_client_address_data is the struct for holding default client * addresses for a driver and for the parameters supplied on the diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index a5cb0c3f6dcf..f8ff918c208f 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -115,6 +115,11 @@ extern u16 vlan_dev_vlan_id(const struct net_device *dev); extern int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, u16 vlan_tci, int polling); extern int vlan_hwaccel_do_receive(struct sk_buff *skb); +extern int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, struct sk_buff *skb); +extern int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, + struct napi_gro_fraginfo *info); #else static inline struct net_device *vlan_dev_real_dev(const struct net_device *dev) @@ -140,6 +145,20 @@ static inline int vlan_hwaccel_do_receive(struct sk_buff *skb) { return 0; } + +static inline int vlan_gro_receive(struct napi_struct *napi, + struct vlan_group *grp, + unsigned int vlan_tci, struct sk_buff *skb) +{ + return NET_RX_DROP; +} + +static inline int vlan_gro_frags(struct napi_struct *napi, + struct vlan_group *grp, unsigned int vlan_tci, + struct napi_gro_fraginfo *info) +{ + return NET_RX_DROP; +} #endif /** diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 041e95aac2bf..f6bb2ca8e3ba 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -49,6 +49,7 @@ struct resource_list { #define IORESOURCE_SIZEALIGN 0x00020000 /* size indicates alignment */ #define IORESOURCE_STARTALIGN 0x00040000 /* start field is alignment */ +#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ #define IORESOURCE_DISABLED 0x10000000 #define IORESOURCE_UNSET 0x20000000 #define IORESOURCE_AUTO 0x40000000 @@ -133,13 +134,16 @@ static inline unsigned long resource_type(struct resource *res) } /* Convenience shorthand with allocation */ -#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name)) -#define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name)) +#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name), 0) +#define __request_mem_region(start,n,name, excl) __request_region(&iomem_resource, (start), (n), (name), excl) +#define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name), 0) +#define request_mem_region_exclusive(start,n,name) \ + __request_region(&iomem_resource, (start), (n), (name), IORESOURCE_EXCLUSIVE) #define rename_region(region, newname) do { (region)->name = (newname); } while (0) extern struct resource * __request_region(struct resource *, resource_size_t start, - resource_size_t n, const char *name); + resource_size_t n, const char *name, int relaxed); /* Compatibility cruft */ #define release_region(start,n) __release_region(&ioport_resource, (start), (n)) @@ -175,6 +179,7 @@ extern struct resource * __devm_request_region(struct device *dev, extern void __devm_release_region(struct device *dev, struct resource *parent, resource_size_t start, resource_size_t n); extern int iomem_map_sanity_check(resource_size_t addr, unsigned long size); +extern int iomem_is_exclusive(u64 addr); #endif /* __ASSEMBLY__ */ #endif /* _LINUX_IOPORT_H */ diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index f98a656b17e5..76dad4808847 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -86,4 +86,6 @@ static inline int task_nice_ioclass(struct task_struct *task) */ extern int ioprio_best(unsigned short aprio, unsigned short bprio); +extern int set_task_ioprio(struct task_struct *task, int ioprio); + #endif diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 346e2b80be7d..6384b19efe64 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -543,6 +543,11 @@ struct transaction_s unsigned long t_expires; /* + * When this transaction started, in nanoseconds [no locking] + */ + ktime_t t_start_time; + + /* * How many handles used this transaction? [t_handle_lock] */ int t_handle_count; @@ -798,9 +803,19 @@ struct journal_s struct buffer_head **j_wbuf; int j_wbufsize; + /* + * this is the pid of the last person to run a synchronous operation + * through the journal. + */ pid_t j_last_sync_writer; /* + * the average amount of time in nanoseconds it takes to commit a + * transaction to the disk. [j_state_lock] + */ + u64 j_average_commit_time; + + /* * An opaque pointer to fs-private information. ext3 puts its * superblock pointer here */ diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 34456476e761..b45109c61fba 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -638,6 +638,11 @@ struct transaction_s unsigned long t_expires; /* + * When this transaction started, in nanoseconds [no locking] + */ + ktime_t t_start_time; + + /* * How many handles used this transaction? [t_handle_lock] */ int t_handle_count; @@ -682,6 +687,8 @@ jbd2_time_diff(unsigned long start, unsigned long end) return end + (MAX_JIFFY_OFFSET - start); } +#define JBD2_NR_BATCH 64 + /** * struct journal_s - The journal_s type is the concrete type associated with * journal_t. @@ -826,6 +833,14 @@ struct journal_s struct mutex j_checkpoint_mutex; /* + * List of buffer heads used by the checkpoint routine. This + * was moved from jbd2_log_do_checkpoint() to reduce stack + * usage. Access to this array is controlled by the + * j_checkpoint_mutex. [j_checkpoint_mutex] + */ + struct buffer_head *j_chkpt_bhs[JBD2_NR_BATCH]; + + /* * Journal head: identifies the first unused block in the journal. * [j_state_lock] */ @@ -939,8 +954,26 @@ struct journal_s struct buffer_head **j_wbuf; int j_wbufsize; + /* + * this is the pid of hte last person to run a synchronous operation + * through the journal + */ pid_t j_last_sync_writer; + /* + * the average amount of time in nanoseconds it takes to commit a + * transaction to disk. [j_state_lock] + */ + u64 j_average_commit_time; + + /* + * minimum and maximum times that we should wait for + * additional filesystem operations to get batched into a + * synchronous handle in microseconds + */ + u32 j_min_batch_time; + u32 j_max_batch_time; + /* This function is called when a transaction is closed */ void (*j_commit_callback)(journal_t *, transaction_t *); @@ -1102,7 +1135,6 @@ extern int jbd2_journal_set_features (journal_t *, unsigned long, unsigned long, unsigned long); extern void jbd2_journal_clear_features (journal_t *, unsigned long, unsigned long, unsigned long); -extern int jbd2_journal_create (journal_t *); extern int jbd2_journal_load (journal_t *journal); extern int jbd2_journal_destroy (journal_t *); extern int jbd2_journal_recover (journal_t *journal); @@ -1177,8 +1209,8 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid); int jbd2_log_do_checkpoint(journal_t *journal); void __jbd2_log_wait_for_space(journal_t *journal); -extern void __jbd2_journal_drop_transaction(journal_t *, transaction_t *); -extern int jbd2_cleanup_journal_tail(journal_t *); +extern void __jbd2_journal_drop_transaction(journal_t *, transaction_t *); +extern int jbd2_cleanup_journal_tail(journal_t *); /* Debugging code only: */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 6b8e2027165e..343df9ef2412 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -476,6 +476,12 @@ static inline char *pack_hex_byte(char *buf, u8 byte) __val = __val < __min ? __min: __val; \ __val > __max ? __max: __val; }) + +/* + * swap - swap value of @a and @b + */ +#define swap(a, b) ({ typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; }) + /** * container_of - cast a member of a structure out to the containing structure * @ptr: the pointer to the member. diff --git a/include/linux/leds-pca9532.h b/include/linux/leds-pca9532.h index 81b4207deb95..96eea90f01a8 100644 --- a/include/linux/leds-pca9532.h +++ b/include/linux/leds-pca9532.h @@ -15,6 +15,7 @@ #define __LINUX_PCA9532_H #include <linux/leds.h> +#include <linux/workqueue.h> enum pca9532_state { PCA9532_OFF = 0x0, @@ -31,6 +32,7 @@ struct pca9532_led { struct i2c_client *client; char *name; struct led_classdev ldev; + struct work_struct work; enum pca9532_type type; enum pca9532_state state; }; diff --git a/include/linux/leds.h b/include/linux/leds.h index d3a73f5a48c3..24489da701e3 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -32,7 +32,10 @@ struct led_classdev { int brightness; int flags; + /* Lower 16 bits reflect status */ #define LED_SUSPENDED (1 << 0) + /* Upper 16 bits reflect control information */ +#define LED_CORE_SUSPENDRESUME (1 << 16) /* Set LED brightness level */ /* Must not sleep, use a workqueue if needed */ @@ -62,7 +65,7 @@ struct led_classdev { extern int led_classdev_register(struct device *parent, struct led_classdev *led_cdev); -extern void led_classdev_unregister(struct led_classdev *lcd); +extern void led_classdev_unregister(struct led_classdev *led_cdev); extern void led_classdev_suspend(struct led_classdev *led_cdev); extern void led_classdev_resume(struct led_classdev *led_cdev); diff --git a/include/linux/libata.h b/include/linux/libata.h index 3449de597eff..b6b8a7f3ec66 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -239,6 +239,7 @@ enum { /* host set flags */ ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host only */ ATA_HOST_STARTED = (1 << 1), /* Host started */ + ATA_HOST_PARALLEL_SCAN = (1 << 2), /* Ports on this host can be scanned in parallel */ /* bits 24:31 of host->flags are reserved for LLD specific flags */ @@ -1518,6 +1519,7 @@ extern void sata_pmp_error_handler(struct ata_port *ap); extern const struct ata_port_operations ata_sff_port_ops; extern const struct ata_port_operations ata_bmdma_port_ops; +extern const struct ata_port_operations ata_bmdma32_port_ops; /* PIO only, sg_tablesize and dma_boundary limits can be removed */ #define ATA_PIO_SHT(drv_name) \ @@ -1545,6 +1547,8 @@ extern void ata_sff_exec_command(struct ata_port *ap, const struct ata_taskfile *tf); extern unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw); +extern unsigned int ata_sff_data_xfer32(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw); extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw); extern u8 ata_sff_irq_on(struct ata_port *ap); diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 23da3fa69efa..aa6fe7026de7 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -43,8 +43,8 @@ struct nlm_host { struct sockaddr_storage h_addr; /* peer address */ size_t h_addrlen; struct sockaddr_storage h_srcaddr; /* our address (optional) */ - struct rpc_clnt * h_rpcclnt; /* RPC client to talk to peer */ - char * h_name; /* remote hostname */ + struct rpc_clnt *h_rpcclnt; /* RPC client to talk to peer */ + char *h_name; /* remote hostname */ u32 h_version; /* interface version */ unsigned short h_proto; /* transport proto */ unsigned short h_reclaiming : 1, @@ -64,21 +64,29 @@ struct nlm_host { spinlock_t h_lock; struct list_head h_granted; /* Locks in GRANTED state */ struct list_head h_reclaim; /* Locks in RECLAIM state */ - struct nsm_handle * h_nsmhandle; /* NSM status handle */ - - char h_addrbuf[48], /* address eyecatchers */ - h_srcaddrbuf[48]; + struct nsm_handle *h_nsmhandle; /* NSM status handle */ + char *h_addrbuf; /* address eyecatcher */ }; +/* + * The largest string sm_addrbuf should hold is a full-size IPv6 address + * (no "::" anywhere) with a scope ID. The buffer size is computed to + * hold eight groups of colon-separated four-hex-digit numbers, a + * percent sign, a scope id (at most 32 bits, in decimal), and NUL. + */ +#define NSM_ADDRBUF ((8 * 4 + 7) + (1 + 10) + 1) + struct nsm_handle { struct list_head sm_link; atomic_t sm_count; - char * sm_name; + char *sm_mon_name; + char *sm_name; struct sockaddr_storage sm_addr; size_t sm_addrlen; unsigned int sm_monitored : 1, sm_sticky : 1; /* don't unmonitor */ - char sm_addrbuf[48]; /* address eyecatcher */ + struct nsm_private sm_priv; + char sm_addrbuf[NSM_ADDRBUF]; }; /* @@ -104,16 +112,6 @@ static inline struct sockaddr *nlm_srcaddr(const struct nlm_host *host) return (struct sockaddr *)&host->h_srcaddr; } -static inline struct sockaddr_in *nsm_addr_in(const struct nsm_handle *handle) -{ - return (struct sockaddr_in *)&handle->sm_addr; -} - -static inline struct sockaddr *nsm_addr(const struct nsm_handle *handle) -{ - return (struct sockaddr *)&handle->sm_addr; -} - /* * Map an fl_owner_t into a unique 32-bit "pid" */ @@ -197,6 +195,7 @@ extern struct svc_procedure nlmsvc_procedures4[]; extern int nlmsvc_grace_period; extern unsigned long nlmsvc_timeout; extern int nsm_use_hostnames; +extern int nsm_local_state; /* * Lockd client functions @@ -231,10 +230,20 @@ void nlm_rebind_host(struct nlm_host *); struct nlm_host * nlm_get_host(struct nlm_host *); void nlm_release_host(struct nlm_host *); void nlm_shutdown_hosts(void); -extern void nlm_host_rebooted(const struct sockaddr_in *, const char *, - unsigned int, u32); -void nsm_release(struct nsm_handle *); +void nlm_host_rebooted(const struct nlm_reboot *); +/* + * Host monitoring + */ +int nsm_monitor(const struct nlm_host *host); +void nsm_unmonitor(const struct nlm_host *host); + +struct nsm_handle *nsm_get_handle(const struct sockaddr *sap, + const size_t salen, + const char *hostname, + const size_t hostname_len); +struct nsm_handle *nsm_reboot_lookup(const struct nlm_reboot *info); +void nsm_release(struct nsm_handle *nsm); /* * This is used in garbage collection and resource reclaim @@ -282,16 +291,25 @@ static inline struct inode *nlmsvc_file_inode(struct nlm_file *file) static inline int __nlm_privileged_request4(const struct sockaddr *sap) { const struct sockaddr_in *sin = (struct sockaddr_in *)sap; - return (sin->sin_addr.s_addr == htonl(INADDR_LOOPBACK)) && - (ntohs(sin->sin_port) < 1024); + + if (ntohs(sin->sin_port) > 1023) + return 0; + + return ipv4_is_loopback(sin->sin_addr.s_addr); } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) static inline int __nlm_privileged_request6(const struct sockaddr *sap) { const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap; - return (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LOOPBACK) && - (ntohs(sin6->sin6_port) < 1024); + + if (ntohs(sin6->sin6_port) > 1023) + return 0; + + if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED) + return ipv4_is_loopback(sin6->sin6_addr.s6_addr32[3]); + + return ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LOOPBACK; } #else /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ static inline int __nlm_privileged_request6(const struct sockaddr *sap) diff --git a/include/linux/lockd/sm_inter.h b/include/linux/lockd/sm_inter.h deleted file mode 100644 index 5a5448bdb17d..000000000000 --- a/include/linux/lockd/sm_inter.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * linux/include/linux/lockd/sm_inter.h - * - * Declarations for the kernel statd client. - * - * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> - */ - -#ifndef LINUX_LOCKD_SM_INTER_H -#define LINUX_LOCKD_SM_INTER_H - -#define SM_PROGRAM 100024 -#define SM_VERSION 1 -#define SM_STAT 1 -#define SM_MON 2 -#define SM_UNMON 3 -#define SM_UNMON_ALL 4 -#define SM_SIMU_CRASH 5 -#define SM_NOTIFY 6 - -#define SM_MAXSTRLEN 1024 -#define SM_PRIV_SIZE 16 - -/* - * Arguments for all calls to statd - */ -struct nsm_args { - __be32 addr; /* remote address */ - u32 prog; /* RPC callback info */ - u32 vers; - u32 proc; - - char * mon_name; -}; - -/* - * Result returned by statd - */ -struct nsm_res { - u32 status; - u32 state; -}; - -int nsm_monitor(struct nlm_host *); -int nsm_unmonitor(struct nlm_host *); -extern int nsm_local_state; - -#endif /* LINUX_LOCKD_SM_INTER_H */ diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h index d6b3a802c046..7dc5b6cb44cd 100644 --- a/include/linux/lockd/xdr.h +++ b/include/linux/lockd/xdr.h @@ -13,6 +13,13 @@ #include <linux/nfs.h> #include <linux/sunrpc/xdr.h> +#define SM_MAXSTRLEN 1024 +#define SM_PRIV_SIZE 16 + +struct nsm_private { + unsigned char data[SM_PRIV_SIZE]; +}; + struct svc_rqst; #define NLM_MAXCOOKIELEN 32 @@ -77,10 +84,10 @@ struct nlm_res { * statd callback when client has rebooted */ struct nlm_reboot { - char * mon; - unsigned int len; - u32 state; - __be32 addr; + char *mon; + unsigned int len; + u32 state; + struct nsm_private priv; }; /* diff --git a/include/linux/mISDNhw.h b/include/linux/mISDNhw.h index e794dfb87504..97ffdc1d3442 100644 --- a/include/linux/mISDNhw.h +++ b/include/linux/mISDNhw.h @@ -57,20 +57,21 @@ #define FLG_L2DATA 14 /* channel use L2 DATA primitivs */ #define FLG_ORIGIN 15 /* channel is on origin site */ /* channel specific stuff */ +#define FLG_FILLEMPTY 16 /* fill fifo on first frame (empty) */ /* arcofi specific */ -#define FLG_ARCOFI_TIMER 16 -#define FLG_ARCOFI_ERROR 17 +#define FLG_ARCOFI_TIMER 17 +#define FLG_ARCOFI_ERROR 18 /* isar specific */ -#define FLG_INITIALIZED 16 -#define FLG_DLEETX 17 -#define FLG_LASTDLE 18 -#define FLG_FIRST 19 -#define FLG_LASTDATA 20 -#define FLG_NMD_DATA 21 -#define FLG_FTI_RUN 22 -#define FLG_LL_OK 23 -#define FLG_LL_CONN 24 -#define FLG_DTMFSEND 25 +#define FLG_INITIALIZED 17 +#define FLG_DLEETX 18 +#define FLG_LASTDLE 19 +#define FLG_FIRST 20 +#define FLG_LASTDATA 21 +#define FLG_NMD_DATA 22 +#define FLG_FTI_RUN 23 +#define FLG_LL_OK 24 +#define FLG_LL_CONN 25 +#define FLG_DTMFSEND 26 /* workq events */ #define FLG_RECVQUEUE 30 @@ -183,6 +184,7 @@ extern void queue_ch_frame(struct mISDNchannel *, u_int, extern int dchannel_senddata(struct dchannel *, struct sk_buff *); extern int bchannel_senddata(struct bchannel *, struct sk_buff *); extern void recv_Dchannel(struct dchannel *); +extern void recv_Echannel(struct dchannel *, struct dchannel *); extern void recv_Bchannel(struct bchannel *); extern void recv_Dchannel_skb(struct dchannel *, struct sk_buff *); extern void recv_Bchannel_skb(struct bchannel *, struct sk_buff *); diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h index 8f2d60da04e7..557477ac3d5b 100644 --- a/include/linux/mISDNif.h +++ b/include/linux/mISDNif.h @@ -36,8 +36,8 @@ * - should be incremented on every checkin */ #define MISDN_MAJOR_VERSION 1 -#define MISDN_MINOR_VERSION 0 -#define MISDN_RELEASE 19 +#define MISDN_MINOR_VERSION 1 +#define MISDN_RELEASE 20 /* primitives for information exchange * generell format @@ -80,6 +80,7 @@ #define PH_DEACTIVATE_IND 0x0202 #define PH_DEACTIVATE_CNF 0x4202 #define PH_DATA_IND 0x2002 +#define PH_DATA_E_IND 0x3002 #define MPH_ACTIVATE_IND 0x0502 #define MPH_DEACTIVATE_IND 0x0602 #define MPH_INFORMATION_IND 0x0702 @@ -199,6 +200,18 @@ #define ISDN_P_NT_S0 0x02 #define ISDN_P_TE_E1 0x03 #define ISDN_P_NT_E1 0x04 +#define ISDN_P_TE_UP0 0x05 +#define ISDN_P_NT_UP0 0x06 + +#define IS_ISDN_P_TE(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_TE_E1) || \ + (p == ISDN_P_TE_UP0) || (p == ISDN_P_LAPD_TE)) +#define IS_ISDN_P_NT(p) ((p == ISDN_P_NT_S0) || (p == ISDN_P_NT_E1) || \ + (p == ISDN_P_NT_UP0) || (p == ISDN_P_LAPD_NT)) +#define IS_ISDN_P_S0(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_NT_S0)) +#define IS_ISDN_P_E1(p) ((p == ISDN_P_TE_E1) || (p == ISDN_P_NT_E1)) +#define IS_ISDN_P_UP0(p) ((p == ISDN_P_TE_UP0) || (p == ISDN_P_NT_UP0)) + + #define ISDN_P_LAPD_TE 0x10 #define ISDN_P_LAPD_NT 0x11 @@ -255,16 +268,6 @@ struct sockaddr_mISDN { unsigned char tei; }; -/* timer device ioctl */ -#define IMADDTIMER _IOR('I', 64, int) -#define IMDELTIMER _IOR('I', 65, int) -/* socket ioctls */ -#define IMGETVERSION _IOR('I', 66, int) -#define IMGETCOUNT _IOR('I', 67, int) -#define IMGETDEVINFO _IOR('I', 68, int) -#define IMCTRLREQ _IOR('I', 69, int) -#define IMCLEAR_L2 _IOR('I', 70, int) - struct mISDNversion { unsigned char major; unsigned char minor; @@ -281,6 +284,40 @@ struct mISDN_devinfo { char name[MISDN_MAX_IDLEN]; }; +struct mISDN_devrename { + u_int id; + char name[MISDN_MAX_IDLEN]; /* new name */ +}; + +/* MPH_INFORMATION_REQ payload */ +struct ph_info_ch { + __u32 protocol; + __u64 Flags; +}; + +struct ph_info_dch { + struct ph_info_ch ch; + __u16 state; + __u16 num_bch; +}; + +struct ph_info { + struct ph_info_dch dch; + struct ph_info_ch bch[]; +}; + +/* timer device ioctl */ +#define IMADDTIMER _IOR('I', 64, int) +#define IMDELTIMER _IOR('I', 65, int) + +/* socket ioctls */ +#define IMGETVERSION _IOR('I', 66, int) +#define IMGETCOUNT _IOR('I', 67, int) +#define IMGETDEVINFO _IOR('I', 68, int) +#define IMCTRLREQ _IOR('I', 69, int) +#define IMCLEAR_L2 _IOR('I', 70, int) +#define IMSETDEVNAME _IOR('I', 71, struct mISDN_devrename) + static inline int test_channelmap(u_int nr, u_char *map) { @@ -312,6 +349,8 @@ clear_channelmap(u_int nr, u_char *map) #define MISDN_CTRL_SETPEER 0x0040 #define MISDN_CTRL_UNSETPEER 0x0080 #define MISDN_CTRL_RX_OFF 0x0100 +#define MISDN_CTRL_FILL_EMPTY 0x0200 +#define MISDN_CTRL_GETPEER 0x0400 #define MISDN_CTRL_HW_FEATURES_OP 0x2000 #define MISDN_CTRL_HW_FEATURES 0x2001 #define MISDN_CTRL_HFC_OP 0x4000 @@ -362,6 +401,7 @@ struct mISDN_ctrl_req { #define DEBUG_L2_TEI 0x00100000 #define DEBUG_L2_TEIFSM 0x00200000 #define DEBUG_TIMER 0x01000000 +#define DEBUG_CLOCK 0x02000000 #define mISDN_HEAD_P(s) ((struct mISDNhead *)&s->cb[0]) #define mISDN_HEAD_PRIM(s) (((struct mISDNhead *)&s->cb[0])->prim) @@ -375,6 +415,7 @@ struct mISDN_ctrl_req { struct mISDNchannel; struct mISDNdevice; struct mISDNstack; +struct mISDNclock; struct channel_req { u_int protocol; @@ -423,7 +464,6 @@ struct mISDN_sock { struct mISDNdevice { struct mISDNchannel D; u_int id; - char name[MISDN_MAX_IDLEN]; u_int Dprotocols; u_int Bprotocols; u_int nrbchan; @@ -452,6 +492,16 @@ struct mISDNstack { #endif }; +typedef int (clockctl_func_t)(void *, int); + +struct mISDNclock { + struct list_head list; + char name[64]; + int pri; + clockctl_func_t *ctl; + void *priv; +}; + /* global alloc/queue functions */ static inline struct sk_buff * @@ -498,12 +548,23 @@ _queue_data(struct mISDNchannel *ch, u_int prim, /* global register/unregister functions */ -extern int mISDN_register_device(struct mISDNdevice *, char *name); +extern int mISDN_register_device(struct mISDNdevice *, + struct device *parent, char *name); extern void mISDN_unregister_device(struct mISDNdevice *); extern int mISDN_register_Bprotocol(struct Bprotocol *); extern void mISDN_unregister_Bprotocol(struct Bprotocol *); +extern struct mISDNclock *mISDN_register_clock(char *, int, clockctl_func_t *, + void *); +extern void mISDN_unregister_clock(struct mISDNclock *); + +static inline struct mISDNdevice *dev_to_mISDN(struct device *dev) +{ + return dev_get_drvdata(dev); +} extern void set_channel_address(struct mISDNchannel *, u_int, u_int); +extern void mISDN_clock_update(struct mISDNclock *, int, struct timeval *); +extern unsigned short mISDN_clock_get(void); #endif /* __KERNEL__ */ #endif /* mISDNIF_H */ diff --git a/include/linux/magic.h b/include/linux/magic.h index f7f3fdddbef0..439f6f3cb0c4 100644 --- a/include/linux/magic.h +++ b/include/linux/magic.h @@ -13,6 +13,7 @@ #define EFS_SUPER_MAGIC 0x414A53 #define EXT2_SUPER_MAGIC 0xEF53 #define EXT3_SUPER_MAGIC 0xEF53 +#define XENFS_SUPER_MAGIC 0xabba1974 #define EXT4_SUPER_MAGIC 0xEF53 #define HPFS_SUPER_MAGIC 0xf995e849 #define ISOFS_SUPER_MAGIC 0x9660 diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 1fbe14d39521..326f45c86530 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -19,22 +19,45 @@ #ifndef _LINUX_MEMCONTROL_H #define _LINUX_MEMCONTROL_H - +#include <linux/cgroup.h> struct mem_cgroup; struct page_cgroup; struct page; struct mm_struct; #ifdef CONFIG_CGROUP_MEM_RES_CTLR +/* + * All "charge" functions with gfp_mask should use GFP_KERNEL or + * (gfp_mask & GFP_RECLAIM_MASK). In current implementatin, memcg doesn't + * alloc memory but reclaims memory from all available zones. So, "where I want + * memory from" bits of gfp_mask has no meaning. So any bits of that field is + * available but adding a rule is better. charge functions' gfp_mask should + * be set to GFP_KERNEL or gfp_mask & GFP_RECLAIM_MASK for avoiding ambiguous + * codes. + * (Of course, if memcg does memory allocation in future, GFP_KERNEL is sane.) + */ -extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm, +extern int mem_cgroup_newpage_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask); +/* for swap handling */ +extern int mem_cgroup_try_charge_swapin(struct mm_struct *mm, + struct page *page, gfp_t mask, struct mem_cgroup **ptr); +extern void mem_cgroup_commit_charge_swapin(struct page *page, + struct mem_cgroup *ptr); +extern void mem_cgroup_cancel_charge_swapin(struct mem_cgroup *ptr); + extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask); -extern void mem_cgroup_move_lists(struct page *page, enum lru_list lru); +extern void mem_cgroup_add_lru_list(struct page *page, enum lru_list lru); +extern void mem_cgroup_del_lru_list(struct page *page, enum lru_list lru); +extern void mem_cgroup_rotate_lru_list(struct page *page, enum lru_list lru); +extern void mem_cgroup_del_lru(struct page *page); +extern void mem_cgroup_move_lists(struct page *page, + enum lru_list from, enum lru_list to); extern void mem_cgroup_uncharge_page(struct page *page); extern void mem_cgroup_uncharge_cache_page(struct page *page); -extern int mem_cgroup_shrink_usage(struct mm_struct *mm, gfp_t gfp_mask); +extern int mem_cgroup_shrink_usage(struct page *page, + struct mm_struct *mm, gfp_t gfp_mask); extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan, struct list_head *dst, @@ -47,12 +70,20 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem); extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p); -#define mm_match_cgroup(mm, cgroup) \ - ((cgroup) == mem_cgroup_from_task((mm)->owner)) +static inline +int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup) +{ + struct mem_cgroup *mem; + rcu_read_lock(); + mem = mem_cgroup_from_task((mm)->owner); + rcu_read_unlock(); + return cgroup == mem; +} extern int -mem_cgroup_prepare_migration(struct page *page, struct page *newpage); -extern void mem_cgroup_end_migration(struct page *page); +mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr); +extern void mem_cgroup_end_migration(struct mem_cgroup *mem, + struct page *oldpage, struct page *newpage); /* * For memory reclaim. @@ -65,13 +96,32 @@ extern void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem, int priority); extern void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem, int priority); +int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg); +unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg, + struct zone *zone, + enum lru_list lru); +struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, + struct zone *zone); +struct zone_reclaim_stat* +mem_cgroup_get_reclaim_stat_from_page(struct page *page); -extern long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, struct zone *zone, - int priority, enum lru_list lru); +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP +extern int do_swap_account; +#endif +static inline bool mem_cgroup_disabled(void) +{ + if (mem_cgroup_subsys.disabled) + return true; + return false; +} + +extern bool mem_cgroup_oom_called(struct task_struct *task); #else /* CONFIG_CGROUP_MEM_RES_CTLR */ -static inline int mem_cgroup_charge(struct page *page, +struct mem_cgroup; + +static inline int mem_cgroup_newpage_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask) { return 0; @@ -83,6 +133,21 @@ static inline int mem_cgroup_cache_charge(struct page *page, return 0; } +static inline int mem_cgroup_try_charge_swapin(struct mm_struct *mm, + struct page *page, gfp_t gfp_mask, struct mem_cgroup **ptr) +{ + return 0; +} + +static inline void mem_cgroup_commit_charge_swapin(struct page *page, + struct mem_cgroup *ptr) +{ +} + +static inline void mem_cgroup_cancel_charge_swapin(struct mem_cgroup *ptr) +{ +} + static inline void mem_cgroup_uncharge_page(struct page *page) { } @@ -91,12 +156,33 @@ static inline void mem_cgroup_uncharge_cache_page(struct page *page) { } -static inline int mem_cgroup_shrink_usage(struct mm_struct *mm, gfp_t gfp_mask) +static inline int mem_cgroup_shrink_usage(struct page *page, + struct mm_struct *mm, gfp_t gfp_mask) { return 0; } -static inline void mem_cgroup_move_lists(struct page *page, bool active) +static inline void mem_cgroup_add_lru_list(struct page *page, int lru) +{ +} + +static inline void mem_cgroup_del_lru_list(struct page *page, int lru) +{ + return ; +} + +static inline void mem_cgroup_rotate_lru_list(struct page *page, int lru) +{ + return ; +} + +static inline void mem_cgroup_del_lru(struct page *page) +{ + return ; +} + +static inline void +mem_cgroup_move_lists(struct page *page, enum lru_list from, enum lru_list to) { } @@ -112,12 +198,14 @@ static inline int task_in_mem_cgroup(struct task_struct *task, } static inline int -mem_cgroup_prepare_migration(struct page *page, struct page *newpage) +mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr) { return 0; } -static inline void mem_cgroup_end_migration(struct page *page) +static inline void mem_cgroup_end_migration(struct mem_cgroup *mem, + struct page *oldpage, + struct page *newpage) { } @@ -146,12 +234,42 @@ static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem, { } -static inline long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, - struct zone *zone, int priority, - enum lru_list lru) +static inline bool mem_cgroup_disabled(void) +{ + return true; +} + +static inline bool mem_cgroup_oom_called(struct task_struct *task) +{ + return false; +} + +static inline int +mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg) +{ + return 1; +} + +static inline unsigned long +mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg, struct zone *zone, + enum lru_list lru) { return 0; } + + +static inline struct zone_reclaim_stat* +mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, struct zone *zone) +{ + return NULL; +} + +static inline struct zone_reclaim_stat* +mem_cgroup_get_reclaim_stat_from_page(struct page *page) +{ + return NULL; +} + #endif /* CONFIG_CGROUP_MEM_CONT */ #endif /* _LINUX_MEMCONTROL_H */ diff --git a/include/linux/memstick.h b/include/linux/memstick.h index d0c37e682234..690c35a9d4cc 100644 --- a/include/linux/memstick.h +++ b/include/linux/memstick.h @@ -100,8 +100,8 @@ struct mspro_param_register { #define MEMSTICK_SYS_PAR8 0x40 #define MEMSTICK_SYS_SERIAL 0x80 - unsigned short data_count; - unsigned int data_address; + __be16 data_count; + __be32 data_address; unsigned char tpc_param; } __attribute__((packed)); diff --git a/include/linux/mfd/wm8350/pmic.h b/include/linux/mfd/wm8350/pmic.h index 96acbfc8aa12..be3264e286e0 100644 --- a/include/linux/mfd/wm8350/pmic.h +++ b/include/linux/mfd/wm8350/pmic.h @@ -13,6 +13,10 @@ #ifndef __LINUX_MFD_WM8350_PMIC_H #define __LINUX_MFD_WM8350_PMIC_H +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/regulator/machine.h> + /* * Register values. */ @@ -700,6 +704,33 @@ struct wm8350; struct platform_device; struct regulator_init_data; +/* + * WM8350 LED platform data + */ +struct wm8350_led_platform_data { + const char *name; + const char *default_trigger; + int max_uA; +}; + +struct wm8350_led { + struct platform_device *pdev; + struct mutex mutex; + struct work_struct work; + spinlock_t value_lock; + enum led_brightness value; + struct led_classdev cdev; + int max_uA_index; + int enabled; + + struct regulator *isink; + struct regulator_consumer_supply isink_consumer; + struct regulator_init_data isink_init; + struct regulator *dcdc; + struct regulator_consumer_supply dcdc_consumer; + struct regulator_init_data dcdc_init; +}; + struct wm8350_pmic { /* Number of regulators of each type on this device */ int max_dcdc; @@ -717,10 +748,15 @@ struct wm8350_pmic { /* regulator devices */ struct platform_device *pdev[NUM_WM8350_REGULATORS]; + + /* LED devices */ + struct wm8350_led led[2]; }; int wm8350_register_regulator(struct wm8350 *wm8350, int reg, struct regulator_init_data *initdata); +int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink, + struct wm8350_led_platform_data *pdata); /* * Additional DCDC control not supported via regulator API diff --git a/include/linux/mm.h b/include/linux/mm.h index 4a3d28c86443..b91a73fd1bcc 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -56,19 +56,9 @@ extern unsigned long mmap_min_addr; extern struct kmem_cache *vm_area_cachep; -/* - * This struct defines the per-mm list of VMAs for uClinux. If CONFIG_MMU is - * disabled, then there's a single shared list of VMAs maintained by the - * system, and mm's subscribe to these individually - */ -struct vm_list_struct { - struct vm_list_struct *next; - struct vm_area_struct *vma; -}; - #ifndef CONFIG_MMU -extern struct rb_root nommu_vma_tree; -extern struct rw_semaphore nommu_vma_sem; +extern struct rb_root nommu_region_tree; +extern struct rw_semaphore nommu_region_sem; extern unsigned int kobjsize(const void *objp); #endif @@ -1061,6 +1051,7 @@ extern void memmap_init_zone(unsigned long, int, unsigned long, unsigned long, enum memmap_context); extern void setup_per_zone_pages_min(void); extern void mem_init(void); +extern void __init mmap_init(void); extern void show_mem(void); extern void si_meminfo(struct sysinfo * val); extern void si_meminfo_node(struct sysinfo *val, int nid); @@ -1072,6 +1063,9 @@ extern void setup_per_cpu_pageset(void); static inline void setup_per_cpu_pageset(void) {} #endif +/* nommu.c */ +extern atomic_t mmap_pages_allocated; + /* prio_tree.c */ void vma_prio_tree_add(struct vm_area_struct *, struct vm_area_struct *old); void vma_prio_tree_insert(struct vm_area_struct *, struct prio_tree_root *); diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index c948350c378e..7fbb97267556 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -28,6 +28,7 @@ add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l) { list_add(&page->lru, &zone->lru[l].list); __inc_zone_state(zone, NR_LRU_BASE + l); + mem_cgroup_add_lru_list(page, l); } static inline void @@ -35,6 +36,7 @@ del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l) { list_del(&page->lru); __dec_zone_state(zone, NR_LRU_BASE + l); + mem_cgroup_del_lru_list(page, l); } static inline void @@ -54,6 +56,7 @@ del_page_from_lru(struct zone *zone, struct page *page) l += page_is_file_cache(page); } __dec_zone_state(zone, NR_LRU_BASE + l); + mem_cgroup_del_lru_list(page, l); } /** @@ -78,23 +81,4 @@ static inline enum lru_list page_lru(struct page *page) return lru; } -/** - * inactive_anon_is_low - check if anonymous pages need to be deactivated - * @zone: zone to check - * - * Returns true if the zone does not have enough inactive anon pages, - * meaning some active anon pages need to be deactivated. - */ -static inline int inactive_anon_is_low(struct zone *zone) -{ - unsigned long active, inactive; - - active = zone_page_state(zone, NR_ACTIVE_ANON); - inactive = zone_page_state(zone, NR_INACTIVE_ANON); - - if (inactive * zone->inactive_ratio < active) - return 1; - - return 0; -} #endif diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 9cfc9b627fdd..92915e81443f 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -97,6 +97,23 @@ struct page { }; /* + * A region containing a mapping of a non-memory backed file under NOMMU + * conditions. These are held in a global tree and are pinned by the VMAs that + * map parts of them. + */ +struct vm_region { + struct rb_node vm_rb; /* link in global region tree */ + unsigned long vm_flags; /* VMA vm_flags */ + unsigned long vm_start; /* start address of region */ + unsigned long vm_end; /* region initialised to here */ + unsigned long vm_top; /* region allocated to here */ + unsigned long vm_pgoff; /* the offset in vm_file corresponding to vm_start */ + struct file *vm_file; /* the backing file or NULL */ + + atomic_t vm_usage; /* region usage count */ +}; + +/* * This struct defines a memory VMM memory area. There is one of these * per VM-area/task. A VM area is any part of the process virtual memory * space that has a special rule for the page-fault handlers (ie a shared @@ -152,7 +169,7 @@ struct vm_area_struct { unsigned long vm_truncate_count;/* truncate_count or restart_addr */ #ifndef CONFIG_MMU - atomic_t vm_usage; /* refcount (VMAs shared if !MMU) */ + struct vm_region *vm_region; /* NOMMU mapping region */ #endif #ifdef CONFIG_NUMA struct mempolicy *vm_policy; /* NUMA policy for the VMA */ diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 35a7b5e19465..09c14e213b63 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -263,6 +263,19 @@ enum zone_type { #error ZONES_SHIFT -- too many zones configured adjust calculation #endif +struct zone_reclaim_stat { + /* + * The pageout code in vmscan.c keeps track of how many of the + * mem/swap backed and file backed pages are refeferenced. + * The higher the rotated/scanned ratio, the more valuable + * that cache is. + * + * The anon LRU stats live in [0], file LRU stats in [1] + */ + unsigned long recent_rotated[2]; + unsigned long recent_scanned[2]; +}; + struct zone { /* Fields commonly accessed by the page allocator */ unsigned long pages_min, pages_low, pages_high; @@ -315,16 +328,7 @@ struct zone { unsigned long nr_scan; } lru[NR_LRU_LISTS]; - /* - * The pageout code in vmscan.c keeps track of how many of the - * mem/swap backed and file backed pages are refeferenced. - * The higher the rotated/scanned ratio, the more valuable - * that cache is. - * - * The anon LRU stats live in [0], file LRU stats in [1] - */ - unsigned long recent_rotated[2]; - unsigned long recent_scanned[2]; + struct zone_reclaim_stat reclaim_stat; unsigned long pages_scanned; /* since last reclaim */ unsigned long flags; /* zone flags, see below */ diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index 00e2b575021f..88d3d8fbf9f2 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -520,6 +520,7 @@ struct cfi_fixup { #define CFI_MFR_AMD 0x0001 #define CFI_MFR_ATMEL 0x001F +#define CFI_MFR_SAMSUNG 0x00EC #define CFI_MFR_ST 0x0020 /* STMicroelectronics */ void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup* fixups); diff --git a/include/linux/mtd/ftl.h b/include/linux/mtd/ftl.h index 0be442f881dd..0555f7a0b9ed 100644 --- a/include/linux/mtd/ftl.h +++ b/include/linux/mtd/ftl.h @@ -32,25 +32,25 @@ #define _LINUX_FTL_H typedef struct erase_unit_header_t { - u_int8_t LinkTargetTuple[5]; - u_int8_t DataOrgTuple[10]; - u_int8_t NumTransferUnits; - u_int32_t EraseCount; - u_int16_t LogicalEUN; - u_int8_t BlockSize; - u_int8_t EraseUnitSize; - u_int16_t FirstPhysicalEUN; - u_int16_t NumEraseUnits; - u_int32_t FormattedSize; - u_int32_t FirstVMAddress; - u_int16_t NumVMPages; - u_int8_t Flags; - u_int8_t Code; - u_int32_t SerialNumber; - u_int32_t AltEUHOffset; - u_int32_t BAMOffset; - u_int8_t Reserved[12]; - u_int8_t EndTuple[2]; + uint8_t LinkTargetTuple[5]; + uint8_t DataOrgTuple[10]; + uint8_t NumTransferUnits; + uint32_t EraseCount; + uint16_t LogicalEUN; + uint8_t BlockSize; + uint8_t EraseUnitSize; + uint16_t FirstPhysicalEUN; + uint16_t NumEraseUnits; + uint32_t FormattedSize; + uint32_t FirstVMAddress; + uint16_t NumVMPages; + uint8_t Flags; + uint8_t Code; + uint32_t SerialNumber; + uint32_t AltEUHOffset; + uint32_t BAMOffset; + uint8_t Reserved[12]; + uint8_t EndTuple[2]; } erase_unit_header_t; /* Flags in erase_unit_header_t */ diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index aa30244492c6..b981b8772217 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -223,6 +223,7 @@ struct map_info { must leave it enabled. */ void (*set_vpp)(struct map_info *, int); + unsigned long pfow_base; unsigned long map_priv_1; unsigned long map_priv_2; void *fldrv_priv; diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index eae26bb6430a..3aa5d77c2cdb 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -15,6 +15,8 @@ #include <linux/mtd/compatmac.h> #include <mtd/mtd-abi.h> +#include <asm/div64.h> + #define MTD_CHAR_MAJOR 90 #define MTD_BLOCK_MAJOR 31 #define MAX_MTD_DEVICES 32 @@ -25,20 +27,20 @@ #define MTD_ERASE_DONE 0x08 #define MTD_ERASE_FAILED 0x10 -#define MTD_FAIL_ADDR_UNKNOWN 0xffffffff +#define MTD_FAIL_ADDR_UNKNOWN -1LL /* If the erase fails, fail_addr might indicate exactly which block failed. If fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not specific to any particular block. */ struct erase_info { struct mtd_info *mtd; - u_int32_t addr; - u_int32_t len; - u_int32_t fail_addr; + uint64_t addr; + uint64_t len; + uint64_t fail_addr; u_long time; u_long retries; - u_int dev; - u_int cell; + unsigned dev; + unsigned cell; void (*callback) (struct erase_info *self); u_long priv; u_char state; @@ -46,9 +48,9 @@ struct erase_info { }; struct mtd_erase_region_info { - u_int32_t offset; /* At which this region starts, from the beginning of the MTD */ - u_int32_t erasesize; /* For this region */ - u_int32_t numblocks; /* Number of blocks of erasesize in this region */ + uint64_t offset; /* At which this region starts, from the beginning of the MTD */ + uint32_t erasesize; /* For this region */ + uint32_t numblocks; /* Number of blocks of erasesize in this region */ unsigned long *lockmap; /* If keeping bitmap of locks */ }; @@ -83,7 +85,7 @@ typedef enum { * @datbuf: data buffer - if NULL only oob data are read/written * @oobbuf: oob data buffer * - * Note, it is allowed to read more then one OOB area at one go, but not write. + * Note, it is allowed to read more than one OOB area at one go, but not write. * The interface assumes that the OOB write requests program only one page's * OOB area. */ @@ -100,14 +102,14 @@ struct mtd_oob_ops { struct mtd_info { u_char type; - u_int32_t flags; - u_int32_t size; // Total size of the MTD + uint32_t flags; + uint64_t size; // Total size of the MTD /* "Major" erase size for the device. Naïve users may take this * to be the only erase size available, or may use the more detailed * information below if they desire */ - u_int32_t erasesize; + uint32_t erasesize; /* Minimal writable flash unit size. In case of NOR flash it is 1 (even * though individual bits can be cleared), in case of NAND flash it is * one NAND page (or half, or one-fourths of it), in case of ECC-ed NOR @@ -115,10 +117,20 @@ struct mtd_info { * Any driver registering a struct mtd_info must ensure a writesize of * 1 or larger. */ - u_int32_t writesize; + uint32_t writesize; + + uint32_t oobsize; // Amount of OOB data per block (e.g. 16) + uint32_t oobavail; // Available OOB bytes per block - u_int32_t oobsize; // Amount of OOB data per block (e.g. 16) - u_int32_t oobavail; // Available OOB bytes per block + /* + * If erasesize is a power of 2 then the shift is stored in + * erasesize_shift otherwise erasesize_shift is zero. Ditto writesize. + */ + unsigned int erasesize_shift; + unsigned int writesize_shift; + /* Masks based on erasesize_shift and writesize_shift */ + unsigned int erasesize_mask; + unsigned int writesize_mask; // Kernel-only stuff starts here. const char *name; @@ -190,8 +202,8 @@ struct mtd_info { void (*sync) (struct mtd_info *mtd); /* Chip-supported device locking */ - int (*lock) (struct mtd_info *mtd, loff_t ofs, size_t len); - int (*unlock) (struct mtd_info *mtd, loff_t ofs, size_t len); + int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); + int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); /* Power Management functions */ int (*suspend) (struct mtd_info *mtd); @@ -221,6 +233,35 @@ struct mtd_info { void (*put_device) (struct mtd_info *mtd); }; +static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd) +{ + if (mtd->erasesize_shift) + return sz >> mtd->erasesize_shift; + do_div(sz, mtd->erasesize); + return sz; +} + +static inline uint32_t mtd_mod_by_eb(uint64_t sz, struct mtd_info *mtd) +{ + if (mtd->erasesize_shift) + return sz & mtd->erasesize_mask; + return do_div(sz, mtd->erasesize); +} + +static inline uint32_t mtd_div_by_ws(uint64_t sz, struct mtd_info *mtd) +{ + if (mtd->writesize_shift) + return sz >> mtd->writesize_shift; + do_div(sz, mtd->writesize); + return sz; +} + +static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd) +{ + if (mtd->writesize_shift) + return sz & mtd->writesize_mask; + return do_div(sz, mtd->writesize); +} /* Kernel-side ioctl definitions */ diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 733d3f3b4eb8..db5b63da2a7e 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -335,17 +335,12 @@ struct nand_buffers { * @erase_cmd: [INTERN] erase command write function, selectable due to AND support * @scan_bbt: [REPLACEABLE] function to scan bad block table * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transfering data from array to read regs (tR) - * @wq: [INTERN] wait queue to sleep on if a NAND operation is in progress * @state: [INTERN] the current state of the NAND device * @oob_poi: poison value buffer * @page_shift: [INTERN] number of address bits in a page (column address bits) * @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock * @bbt_erase_shift: [INTERN] number of address bits in a bbt entry * @chip_shift: [INTERN] number of address bits in one chip - * @datbuf: [INTERN] internal buffer for one page + oob - * @oobbuf: [INTERN] oob buffer for one eraseblock - * @oobdirty: [INTERN] indicates that oob_buf must be reinitialized - * @data_poi: [INTERN] pointer to a data buffer * @options: [BOARDSPECIFIC] various chip options. They can partly be set to inform nand_scan about * special functionality. See the defines for further explanation * @badblockpos: [INTERN] position of the bad block marker in the oob area @@ -399,7 +394,7 @@ struct nand_chip { int bbt_erase_shift; int chip_shift; int numchips; - unsigned long chipsize; + uint64_t chipsize; int pagemask; int pagebuf; int subpagesize; diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index c92b4d439609..a45dd831b3f8 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -36,9 +36,9 @@ struct mtd_partition { char *name; /* identifier string */ - u_int32_t size; /* partition size */ - u_int32_t offset; /* offset within the master MTD space */ - u_int32_t mask_flags; /* master MTD flags to mask out for this partition */ + uint64_t size; /* partition size */ + uint64_t offset; /* offset within the master MTD space */ + uint32_t mask_flags; /* master MTD flags to mask out for this partition */ struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only)*/ struct mtd_info **mtdp; /* pointer to store the MTD object */ }; diff --git a/include/linux/mtd/pfow.h b/include/linux/mtd/pfow.h new file mode 100644 index 000000000000..b730d4f84655 --- /dev/null +++ b/include/linux/mtd/pfow.h @@ -0,0 +1,159 @@ +/* Primary function overlay window definitions + * and service functions used by LPDDR chips + */ +#ifndef __LINUX_MTD_PFOW_H +#define __LINUX_MTD_PFOW_H + +#include <linux/mtd/qinfo.h> + +/* PFOW registers addressing */ +/* Address of symbol "P" */ +#define PFOW_QUERY_STRING_P 0x0000 +/* Address of symbol "F" */ +#define PFOW_QUERY_STRING_F 0x0002 +/* Address of symbol "O" */ +#define PFOW_QUERY_STRING_O 0x0004 +/* Address of symbol "W" */ +#define PFOW_QUERY_STRING_W 0x0006 +/* Identification info for LPDDR chip */ +#define PFOW_MANUFACTURER_ID 0x0020 +#define PFOW_DEVICE_ID 0x0022 +/* Address in PFOW where prog buffer can can be found */ +#define PFOW_PROGRAM_BUFFER_OFFSET 0x0040 +/* Size of program buffer in words */ +#define PFOW_PROGRAM_BUFFER_SIZE 0x0042 +/* Address command code register */ +#define PFOW_COMMAND_CODE 0x0080 +/* command data register */ +#define PFOW_COMMAND_DATA 0x0084 +/* command address register lower address bits */ +#define PFOW_COMMAND_ADDRESS_L 0x0088 +/* command address register upper address bits */ +#define PFOW_COMMAND_ADDRESS_H 0x008a +/* number of bytes to be proggrammed lower address bits */ +#define PFOW_DATA_COUNT_L 0x0090 +/* number of bytes to be proggrammed higher address bits */ +#define PFOW_DATA_COUNT_H 0x0092 +/* command execution register, the only possible value is 0x01 */ +#define PFOW_COMMAND_EXECUTE 0x00c0 +/* 0x01 should be written at this address to clear buffer */ +#define PFOW_CLEAR_PROGRAM_BUFFER 0x00c4 +/* device program/erase suspend register */ +#define PFOW_PROGRAM_ERASE_SUSPEND 0x00c8 +/* device status register */ +#define PFOW_DSR 0x00cc + +/* LPDDR memory device command codes */ +/* They are possible values of PFOW command code register */ +#define LPDDR_WORD_PROGRAM 0x0041 +#define LPDDR_BUFF_PROGRAM 0x00E9 +#define LPDDR_BLOCK_ERASE 0x0020 +#define LPDDR_LOCK_BLOCK 0x0061 +#define LPDDR_UNLOCK_BLOCK 0x0062 +#define LPDDR_READ_BLOCK_LOCK_STATUS 0x0065 +#define LPDDR_INFO_QUERY 0x0098 +#define LPDDR_READ_OTP 0x0097 +#define LPDDR_PROG_OTP 0x00C0 +#define LPDDR_RESUME 0x00D0 + +/* Defines possible value of PFOW command execution register */ +#define LPDDR_START_EXECUTION 0x0001 + +/* Defines possible value of PFOW program/erase suspend register */ +#define LPDDR_SUSPEND 0x0001 + +/* Possible values of PFOW device status register */ +/* access R - read; RC read & clearable */ +#define DSR_DPS (1<<1) /* RC; device protect status + * 0 - not protected 1 - locked */ +#define DSR_PSS (1<<2) /* R; program suspend status; + * 0-prog in progress/completed, + * 1- prog suspended */ +#define DSR_VPPS (1<<3) /* RC; 0-Vpp OK, * 1-Vpp low */ +#define DSR_PROGRAM_STATUS (1<<4) /* RC; 0-successful, 1-error */ +#define DSR_ERASE_STATUS (1<<5) /* RC; erase or blank check status; + * 0-success erase/blank check, + * 1 blank check error */ +#define DSR_ESS (1<<6) /* R; erase suspend status; + * 0-erase in progress/complete, + * 1 erase suspended */ +#define DSR_READY_STATUS (1<<7) /* R; Device status + * 0-busy, + * 1-ready */ +#define DSR_RPS (0x3<<8) /* RC; region program status + * 00 - Success, + * 01-re-program attempt in region with + * object mode data, + * 10-object mode program w attempt in + * region with control mode data + * 11-attempt to program invalid half + * with 0x41 command */ +#define DSR_AOS (1<<12) /* RC; 1- AO related failure */ +#define DSR_AVAILABLE (1<<15) /* R; Device availbility + * 1 - Device available + * 0 - not available */ + +/* The superset of all possible error bits in DSR */ +#define DSR_ERR 0x133A + +static inline void send_pfow_command(struct map_info *map, + unsigned long cmd_code, unsigned long adr, + unsigned long len, map_word *datum) +{ + int bits_per_chip = map_bankwidth(map) * 8; + int chipnum; + struct lpddr_private *lpddr = map->fldrv_priv; + chipnum = adr >> lpddr->chipshift; + + map_write(map, CMD(cmd_code), map->pfow_base + PFOW_COMMAND_CODE); + map_write(map, CMD(adr & ((1<<bits_per_chip) - 1)), + map->pfow_base + PFOW_COMMAND_ADDRESS_L); + map_write(map, CMD(adr>>bits_per_chip), + map->pfow_base + PFOW_COMMAND_ADDRESS_H); + if (len) { + map_write(map, CMD(len & ((1<<bits_per_chip) - 1)), + map->pfow_base + PFOW_DATA_COUNT_L); + map_write(map, CMD(len>>bits_per_chip), + map->pfow_base + PFOW_DATA_COUNT_H); + } + if (datum) + map_write(map, *datum, map->pfow_base + PFOW_COMMAND_DATA); + + /* Command execution start */ + map_write(map, CMD(LPDDR_START_EXECUTION), + map->pfow_base + PFOW_COMMAND_EXECUTE); +} + +static inline void print_drs_error(unsigned dsr) +{ + int prog_status = (dsr & DSR_RPS) >> 8; + + if (!(dsr & DSR_AVAILABLE)) + printk(KERN_NOTICE"DSR.15: (0) Device not Available\n"); + if (prog_status & 0x03) + printk(KERN_NOTICE"DSR.9,8: (11) Attempt to program invalid " + "half with 41h command\n"); + else if (prog_status & 0x02) + printk(KERN_NOTICE"DSR.9,8: (10) Object Mode Program attempt " + "in region with Control Mode data\n"); + else if (prog_status & 0x01) + printk(KERN_NOTICE"DSR.9,8: (01) Program attempt in region " + "with Object Mode data\n"); + if (!(dsr & DSR_READY_STATUS)) + printk(KERN_NOTICE"DSR.7: (0) Device is Busy\n"); + if (dsr & DSR_ESS) + printk(KERN_NOTICE"DSR.6: (1) Erase Suspended\n"); + if (dsr & DSR_ERASE_STATUS) + printk(KERN_NOTICE"DSR.5: (1) Erase/Blank check error\n"); + if (dsr & DSR_PROGRAM_STATUS) + printk(KERN_NOTICE"DSR.4: (1) Program Error\n"); + if (dsr & DSR_VPPS) + printk(KERN_NOTICE"DSR.3: (1) Vpp low detect, operation " + "aborted\n"); + if (dsr & DSR_PSS) + printk(KERN_NOTICE"DSR.2: (1) Program suspended\n"); + if (dsr & DSR_DPS) + printk(KERN_NOTICE"DSR.1: (1) Aborted Erase/Program attempt " + "on locked block\n"); +} +#endif /* __LINUX_MTD_PFOW_H */ diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h index c8e63a5ee72e..76f7cabf07d3 100644 --- a/include/linux/mtd/physmap.h +++ b/include/linux/mtd/physmap.h @@ -24,6 +24,7 @@ struct physmap_flash_data { unsigned int width; void (*set_vpp)(struct map_info *, int); unsigned int nr_parts; + unsigned int pfow_base; struct mtd_partition *parts; }; diff --git a/include/linux/mtd/qinfo.h b/include/linux/mtd/qinfo.h new file mode 100644 index 000000000000..7b3d487d8b3f --- /dev/null +++ b/include/linux/mtd/qinfo.h @@ -0,0 +1,91 @@ +#ifndef __LINUX_MTD_QINFO_H +#define __LINUX_MTD_QINFO_H + +#include <linux/mtd/map.h> +#include <linux/wait.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/flashchip.h> +#include <linux/mtd/partitions.h> + +/* lpddr_private describes lpddr flash chip in memory map + * @ManufactId - Chip Manufacture ID + * @DevId - Chip Device ID + * @qinfo - pointer to qinfo records describing the chip + * @numchips - number of chips including virual RWW partitions + * @chipshift - Chip/partiton size 2^chipshift + * @chips - per-chip data structure + */ +struct lpddr_private { + uint16_t ManufactId; + uint16_t DevId; + struct qinfo_chip *qinfo; + int numchips; + unsigned long chipshift; + struct flchip chips[0]; +}; + +/* qinfo_query_info structure contains request information for + * each qinfo record + * @major - major number of qinfo record + * @major - minor number of qinfo record + * @id_str - descriptive string to access the record + * @desc - detailed description for the qinfo record + */ +struct qinfo_query_info { + uint8_t major; + uint8_t minor; + char *id_str; + char *desc; +}; + +/* + * qinfo_chip structure contains necessary qinfo records data + * @DevSizeShift - Device size 2^n bytes + * @BufSizeShift - Program buffer size 2^n bytes + * @TotalBlocksNum - Total number of blocks + * @UniformBlockSizeShift - Uniform block size 2^UniformBlockSizeShift bytes + * @HWPartsNum - Number of hardware partitions + * @SuspEraseSupp - Suspend erase supported + * @SingleWordProgTime - Single word program 2^SingleWordProgTime u-sec + * @ProgBufferTime - Program buffer write 2^ProgBufferTime u-sec + * @BlockEraseTime - Block erase 2^BlockEraseTime m-sec + */ +struct qinfo_chip { + /* General device info */ + uint16_t DevSizeShift; + uint16_t BufSizeShift; + /* Erase block information */ + uint16_t TotalBlocksNum; + uint16_t UniformBlockSizeShift; + /* Partition information */ + uint16_t HWPartsNum; + /* Optional features */ + uint16_t SuspEraseSupp; + /* Operation typical time */ + uint16_t SingleWordProgTime; + uint16_t ProgBufferTime; + uint16_t BlockEraseTime; +}; + +/* defines for fixup usage */ +#define LPDDR_MFR_ANY 0xffff +#define LPDDR_ID_ANY 0xffff +#define NUMONYX_MFGR_ID 0x0089 +#define R18_DEVICE_ID_1G 0x893c + +static inline map_word lpddr_build_cmd(u_long cmd, struct map_info *map) +{ + map_word val = { {0} }; + val.x[0] = cmd; + return val; +} + +#define CMD(x) lpddr_build_cmd(x, map) +#define CMDVAL(cmd) cmd.x[0] + +struct mtd_info *lpddr_cmdset(struct map_info *); + +#endif + diff --git a/include/linux/mtd/sharpsl.h b/include/linux/mtd/sharpsl.h new file mode 100644 index 000000000000..25f4d2a845c1 --- /dev/null +++ b/include/linux/mtd/sharpsl.h @@ -0,0 +1,20 @@ +/* + * SharpSL NAND support + * + * Copyright (C) 2008 Dmitry Baryshkov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +struct sharpsl_nand_platform_data { + struct nand_bbt_descr *badblock_pattern; + struct nand_ecclayout *ecc_layout; + struct mtd_partition *partitions; + unsigned int nr_partitions; +}; diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h index 9f2d76347f19..f69e66d151cc 100644 --- a/include/linux/ncp_fs.h +++ b/include/linux/ncp_fs.h @@ -87,7 +87,7 @@ struct ncp_objectname_ioctl #define NCP_AUTH_NDS 0x32 int auth_type; size_t object_name_len; - void __user * object_name; /* an userspace data, in most cases user name */ + void __user * object_name; /* a userspace data, in most cases user name */ }; struct ncp_privatedata_ioctl diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c28bbba3c23d..f24556813375 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1125,9 +1125,6 @@ struct softnet_data struct sk_buff *completion_queue; struct napi_struct backlog; -#ifdef CONFIG_NET_DMA - struct dma_chan *net_dma; -#endif }; DECLARE_PER_CPU(struct softnet_data,softnet_data); @@ -1373,8 +1370,14 @@ extern int netif_rx_ni(struct sk_buff *skb); #define HAVE_NETIF_RECEIVE_SKB 1 extern int netif_receive_skb(struct sk_buff *skb); extern void napi_gro_flush(struct napi_struct *napi); +extern int dev_gro_receive(struct napi_struct *napi, + struct sk_buff *skb); extern int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb); +extern void napi_reuse_skb(struct napi_struct *napi, + struct sk_buff *skb); +extern struct sk_buff * napi_fraginfo_skb(struct napi_struct *napi, + struct napi_gro_fraginfo *info); extern int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info); extern void netif_nit_deliver(struct sk_buff *skb); diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index ea0366769484..b912311a56b1 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -88,6 +88,8 @@ #define NFS4_ACE_GENERIC_EXECUTE 0x001200A0 #define NFS4_ACE_MASK_ALL 0x001F01FF +#define NFS4_MAX_UINT64 (~(u64)0) + enum nfs4_acl_whotype { NFS4_ACL_WHO_NAMED = 0, NFS4_ACL_WHO_OWNER, diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h index 21269405ffe2..e19f45991b2e 100644 --- a/include/linux/nfsd/nfsd.h +++ b/include/linux/nfsd/nfsd.h @@ -23,7 +23,6 @@ /* * nfsd version */ -#define NFSD_VERSION "0.5" #define NFSD_SUPPORTED_MINOR_VERSION 0 /* diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h index d1941cb965e9..b2e093870bc6 100644 --- a/include/linux/nfsd/nfsfh.h +++ b/include/linux/nfsd/nfsfh.h @@ -68,6 +68,10 @@ struct nfs_fhbase_old { * 1 - 4 byte user specified identifier * 2 - 4 byte major, 4 byte minor, 4 byte inode number - DEPRECATED * 3 - 4 byte device id, encoded for user-space, 4 byte inode number + * 4 - 4 byte inode number and 4 byte uuid + * 5 - 8 byte uuid + * 6 - 16 byte uuid + * 7 - 8 byte inode number and 16 byte uuid * * The fileid_type identified how the file within the filesystem is encoded. * This is (will be) passed to, and set by, the underlying filesystem if it supports diff --git a/include/linux/nwpserial.h b/include/linux/nwpserial.h new file mode 100644 index 000000000000..9acb21572eaf --- /dev/null +++ b/include/linux/nwpserial.h @@ -0,0 +1,18 @@ +/* + * Serial Port driver for a NWP uart device + * + * Copyright (C) 2008 IBM Corp., Benjamin Krill <ben@codiert.org> + * + * 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 _NWPSERIAL_H +#define _NWPSERIAL_H + +int nwpserial_register_port(struct uart_port *port); +void nwpserial_unregister_port(int line); + +#endif /* _NWPSERIAL_H */ diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 1ce9fe572e51..1d9518bc4c58 100644 --- a/include/linux/oprofile.h +++ b/include/linux/oprofile.h @@ -164,4 +164,22 @@ void oprofile_put_buff(unsigned long *buf, unsigned int start, unsigned long oprofile_get_cpu_buffer_size(void); void oprofile_cpu_buffer_inc_smpl_lost(void); +/* cpu buffer functions */ + +struct op_sample; + +struct op_entry { + struct ring_buffer_event *event; + struct op_sample *sample; + unsigned long irq_flags; + unsigned long size; + unsigned long *data; +}; + +void oprofile_write_reserve(struct op_entry *entry, + struct pt_regs * const regs, + unsigned long pc, int code, int size); +int oprofile_add_data(struct op_entry *entry, unsigned long val); +int oprofile_write_commit(struct op_entry *entry); + #endif /* OPROFILE_H */ diff --git a/include/linux/oxu210hp.h b/include/linux/oxu210hp.h new file mode 100644 index 000000000000..0bf96eae5389 --- /dev/null +++ b/include/linux/oxu210hp.h @@ -0,0 +1,7 @@ +/* platform data for the OXU210HP HCD */ + +struct oxu210hp_platform_data { + unsigned int bus16:1; + unsigned int use_hcd_otg:1; + unsigned int use_hcd_sph:1; +}; diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index 1e6d34bfa094..602cc1fdee90 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -26,10 +26,6 @@ enum { PCG_LOCK, /* page cgroup is locked */ PCG_CACHE, /* charged as cache */ PCG_USED, /* this object is in use. */ - /* flags for LRU placement */ - PCG_ACTIVE, /* page is active in this cgroup */ - PCG_FILE, /* page is file system backed */ - PCG_UNEVICTABLE, /* page is unevictableable */ }; #define TESTPCGFLAG(uname, lname) \ @@ -50,19 +46,6 @@ TESTPCGFLAG(Cache, CACHE) TESTPCGFLAG(Used, USED) CLEARPCGFLAG(Used, USED) -/* LRU management flags (from global-lru definition) */ -TESTPCGFLAG(File, FILE) -SETPCGFLAG(File, FILE) -CLEARPCGFLAG(File, FILE) - -TESTPCGFLAG(Active, ACTIVE) -SETPCGFLAG(Active, ACTIVE) -CLEARPCGFLAG(Active, ACTIVE) - -TESTPCGFLAG(Unevictable, UNEVICTABLE) -SETPCGFLAG(Unevictable, UNEVICTABLE) -CLEARPCGFLAG(Unevictable, UNEVICTABLE) - static inline int page_cgroup_nid(struct page_cgroup *pc) { return page_to_nid(pc->page); @@ -105,4 +88,39 @@ static inline void page_cgroup_init(void) } #endif + +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP +#include <linux/swap.h> +extern struct mem_cgroup * +swap_cgroup_record(swp_entry_t ent, struct mem_cgroup *mem); +extern struct mem_cgroup *lookup_swap_cgroup(swp_entry_t ent); +extern int swap_cgroup_swapon(int type, unsigned long max_pages); +extern void swap_cgroup_swapoff(int type); +#else +#include <linux/swap.h> + +static inline +struct mem_cgroup *swap_cgroup_record(swp_entry_t ent, struct mem_cgroup *mem) +{ + return NULL; +} + +static inline +struct mem_cgroup *lookup_swap_cgroup(swp_entry_t ent) +{ + return NULL; +} + +static inline int +swap_cgroup_swapon(int type, unsigned long max_pages) +{ + return 0; +} + +static inline void swap_cgroup_swapoff(int type) +{ + return; +} + +#endif #endif diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 8837928fbf33..042c166f65d5 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -8,6 +8,8 @@ #ifndef _PCI_ACPI_H_ #define _PCI_ACPI_H_ +#include <linux/acpi.h> + #define OSC_QUERY_TYPE 0 #define OSC_SUPPORT_TYPE 1 #define OSC_CONTROL_TYPE 2 @@ -48,15 +50,7 @@ #ifdef CONFIG_ACPI extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags); -extern acpi_status __pci_osc_support_set(u32 flags, const char *hid); -static inline acpi_status pci_osc_support_set(u32 flags) -{ - return __pci_osc_support_set(flags, PCI_ROOT_HID_STRING); -} -static inline acpi_status pcie_osc_support_set(u32 flags) -{ - return __pci_osc_support_set(flags, PCI_EXPRESS_ROOT_HID_STRING); -} +int pci_acpi_osc_support(acpi_handle handle, u32 flags); static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) { /* Find root host bridge */ @@ -66,6 +60,15 @@ static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus), pdev->bus->number); } + +static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) +{ + int seg = pci_domain_nr(pbus), busnr = pbus->number; + struct pci_dev *bridge = pbus->self; + if (bridge) + return DEVICE_ACPI_HANDLE(&(bridge->dev)); + return acpi_get_pci_rootbridge_handle(seg, busnr); +} #else #if !defined(AE_ERROR) typedef u32 acpi_status; @@ -73,8 +76,6 @@ typedef u32 acpi_status; #endif static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags) {return AE_ERROR;} -static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} -static inline acpi_status pcie_osc_support_set(u32 flags) {return AE_ERROR;} static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) { return NULL; } #endif diff --git a/include/linux/pci.h b/include/linux/pci.h index 4bb156ba854a..80f8b8b65fde 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -82,7 +82,30 @@ enum pci_mmap_state { #define PCI_DMA_FROMDEVICE 2 #define PCI_DMA_NONE 3 -#define DEVICE_COUNT_RESOURCE 12 +/* + * For PCI devices, the region numbers are assigned this way: + */ +enum { + /* #0-5: standard PCI resources */ + PCI_STD_RESOURCES, + PCI_STD_RESOURCE_END = 5, + + /* #6: expansion ROM resource */ + PCI_ROM_RESOURCE, + + /* resources assigned to buses behind the bridge */ +#define PCI_BRIDGE_RESOURCE_NUM 4 + + PCI_BRIDGE_RESOURCES, + PCI_BRIDGE_RESOURCE_END = PCI_BRIDGE_RESOURCES + + PCI_BRIDGE_RESOURCE_NUM - 1, + + /* total resources associated with a PCI device */ + PCI_NUM_RESOURCES, + + /* preserve this for compatibility */ + DEVICE_COUNT_RESOURCE +}; typedef int __bitwise pci_power_t; @@ -274,18 +297,6 @@ static inline void pci_add_saved_cap(struct pci_dev *pci_dev, hlist_add_head(&new_cap->next, &pci_dev->saved_cap_space); } -/* - * For PCI devices, the region numbers are assigned this way: - * - * 0-5 standard PCI regions - * 6 expansion ROM - * 7-10 bridges: address space assigned to buses behind the bridge - */ - -#define PCI_ROM_RESOURCE 6 -#define PCI_BRIDGE_RESOURCES 7 -#define PCI_NUM_RESOURCES 11 - #ifndef PCI_BUS_NUM_RESOURCES #define PCI_BUS_NUM_RESOURCES 16 #endif @@ -325,6 +336,15 @@ struct pci_bus { #define pci_bus_b(n) list_entry(n, struct pci_bus, node) #define to_pci_bus(n) container_of(n, struct pci_bus, dev) +#ifdef CONFIG_PCI_MSI +static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) +{ + return pci_dev->msi_enabled || pci_dev->msix_enabled; +} +#else +static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; } +#endif + /* * Error values that may be returned by PCI functions. */ @@ -532,7 +552,9 @@ int __must_check pci_bus_add_device(struct pci_dev *dev); void pci_read_bridge_bases(struct pci_bus *child); struct resource *pci_find_parent_resource(const struct pci_dev *dev, struct resource *res); +u8 pci_swizzle_interrupt_pin(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); @@ -629,6 +651,7 @@ static inline int pci_is_managed(struct pci_dev *pdev) void pci_disable_device(struct pci_dev *dev); void pci_set_master(struct pci_dev *dev); +void pci_clear_master(struct pci_dev *dev); int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state); #define HAVE_PCI_SET_MWI int __must_check pci_set_mwi(struct pci_dev *dev); @@ -647,7 +670,7 @@ int pcie_get_readrq(struct pci_dev *dev); int pcie_set_readrq(struct pci_dev *dev, int rq); int pci_reset_function(struct pci_dev *dev); int pci_execute_reset_function(struct pci_dev *dev); -void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno); +void pci_update_resource(struct pci_dev *dev, int resno); int __must_check pci_assign_resource(struct pci_dev *dev, int i); int pci_select_bars(struct pci_dev *dev, unsigned long flags); @@ -674,6 +697,11 @@ int pci_back_from_sleep(struct pci_dev *dev); /* Functions for PCI Hotplug drivers to use */ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap); +/* Vital product data routines */ +ssize_t pci_read_vpd(struct pci_dev *dev, loff_t pos, size_t count, void *buf); +ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void *buf); +int pci_vpd_truncate(struct pci_dev *dev, size_t size); + /* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */ void pci_bus_assign_resources(struct pci_bus *bus); void pci_bus_size_bridges(struct pci_bus *bus); @@ -686,10 +714,13 @@ void pci_fixup_irqs(u8 (*)(struct pci_dev *, u8 *), int (*)(struct pci_dev *, u8, u8)); #define HAVE_PCI_REQ_REGIONS 2 int __must_check pci_request_regions(struct pci_dev *, const char *); +int __must_check pci_request_regions_exclusive(struct pci_dev *, const char *); void pci_release_regions(struct pci_dev *); int __must_check pci_request_region(struct pci_dev *, int, const char *); +int __must_check pci_request_region_exclusive(struct pci_dev *, int, const char *); void pci_release_region(struct pci_dev *, int); int pci_request_selected_regions(struct pci_dev *, int, const char *); +int pci_request_selected_regions_exclusive(struct pci_dev *, int, const char *); void pci_release_selected_regions(struct pci_dev *, int); /* drivers/pci/bus.c */ @@ -779,6 +810,10 @@ static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev) static inline void pci_restore_msi_state(struct pci_dev *dev) { } +static inline int pci_msi_enabled(void) +{ + return 0; +} #else extern int pci_enable_msi(struct pci_dev *dev); extern void pci_msi_shutdown(struct pci_dev *dev); @@ -789,6 +824,16 @@ 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); +#endif + +#ifndef CONFIG_PCIEASPM +static inline int pcie_aspm_enabled(void) +{ + return 0; +} +#else +extern int pcie_aspm_enabled(void); #endif #ifdef CONFIG_HT_IRQ @@ -1140,20 +1185,9 @@ static inline void pci_mmcfg_early_init(void) { } static inline void pci_mmcfg_late_init(void) { } #endif -#ifdef CONFIG_HAS_IOMEM -static inline void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar) -{ - /* - * Make sure the BAR is actually a memory resource, not an IO resource - */ - if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { - WARN_ON(1); - return NULL; - } - return ioremap_nocache(pci_resource_start(pdev, bar), - pci_resource_len(pdev, bar)); -} -#endif +int pci_ext_cfg_avail(struct pci_dev *dev); + +void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar); #endif /* __KERNEL__ */ #endif /* LINUX_PCI_H */ diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h index a00bd1a0f156..20998746518e 100644 --- a/include/linux/pci_hotplug.h +++ b/include/linux/pci_hotplug.h @@ -223,11 +223,12 @@ struct hotplug_params { #ifdef CONFIG_ACPI #include <acpi/acpi.h> #include <acpi/acpi_bus.h> -#include <acpi/actypes.h> extern acpi_status acpi_get_hp_params_from_firmware(struct pci_bus *bus, struct hotplug_params *hpp); int acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev, u32 flags); int acpi_root_bridge(acpi_handle handle); +int acpi_pci_check_ejectable(struct pci_bus *pbus, acpi_handle handle); +int acpi_pci_detect_ejectable(struct pci_bus *pbus); #endif #endif diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index e5effd47ed74..027815b4635e 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -210,6 +210,7 @@ #define PCI_CAP_ID_AGP3 0x0E /* AGP Target PCI-PCI bridge */ #define PCI_CAP_ID_EXP 0x10 /* PCI Express */ #define PCI_CAP_ID_MSIX 0x11 /* MSI-X */ +#define PCI_CAP_ID_AF 0x13 /* PCI Advanced Features */ #define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ #define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */ #define PCI_CAP_SIZEOF 4 @@ -316,6 +317,17 @@ #define PCI_CHSWP_EXT 0x40 /* ENUM# status - extraction */ #define PCI_CHSWP_INS 0x80 /* ENUM# status - insertion */ +/* PCI Advanced Feature registers */ + +#define PCI_AF_LENGTH 2 +#define PCI_AF_CAP 3 +#define PCI_AF_CAP_TP 0x01 +#define PCI_AF_CAP_FLR 0x02 +#define PCI_AF_CTRL 4 +#define PCI_AF_CTRL_FLR 0x01 +#define PCI_AF_STATUS 5 +#define PCI_AF_STATUS_TP 0x01 + /* PCI-X registers */ #define PCI_X_CMD 2 /* Modes & Features */ @@ -399,20 +411,70 @@ #define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */ #define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */ #define PCI_EXP_LNKCAP 12 /* Link Capabilities */ -#define PCI_EXP_LNKCAP_ASPMS 0xc00 /* ASPM Support */ -#define PCI_EXP_LNKCAP_L0SEL 0x7000 /* L0s Exit Latency */ -#define PCI_EXP_LNKCAP_L1EL 0x38000 /* L1 Exit Latency */ -#define PCI_EXP_LNKCAP_CLKPM 0x40000 /* L1 Clock Power Management */ +#define PCI_EXP_LNKCAP_SLS 0x0000000f /* Supported Link Speeds */ +#define PCI_EXP_LNKCAP_MLW 0x000003f0 /* Maximum Link Width */ +#define PCI_EXP_LNKCAP_ASPMS 0x00000c00 /* ASPM Support */ +#define PCI_EXP_LNKCAP_L0SEL 0x00007000 /* L0s Exit Latency */ +#define PCI_EXP_LNKCAP_L1EL 0x00038000 /* L1 Exit Latency */ +#define PCI_EXP_LNKCAP_CLKPM 0x00040000 /* L1 Clock Power Management */ +#define PCI_EXP_LNKCAP_SDERC 0x00080000 /* Suprise Down Error Reporting Capable */ +#define PCI_EXP_LNKCAP_DLLLARC 0x00100000 /* Data Link Layer Link Active Reporting Capable */ +#define PCI_EXP_LNKCAP_LBNC 0x00200000 /* Link Bandwidth Notification Capability */ +#define PCI_EXP_LNKCAP_PN 0xff000000 /* Port Number */ #define PCI_EXP_LNKCTL 16 /* Link Control */ -#define PCI_EXP_LNKCTL_RL 0x20 /* Retrain Link */ -#define PCI_EXP_LNKCTL_CCC 0x40 /* Common Clock COnfiguration */ +#define PCI_EXP_LNKCTL_ASPMC 0x0003 /* ASPM Control */ +#define PCI_EXP_LNKCTL_RCB 0x0008 /* Read Completion Boundary */ +#define PCI_EXP_LNKCTL_LD 0x0010 /* Link Disable */ +#define PCI_EXP_LNKCTL_RL 0x0020 /* Retrain Link */ +#define PCI_EXP_LNKCTL_CCC 0x0040 /* Common Clock Configuration */ +#define PCI_EXP_LNKCTL_ES 0x0080 /* Extended Synch */ #define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */ +#define PCI_EXP_LNKCTL_HAWD 0x0200 /* Hardware Autonomous Width Disable */ +#define PCI_EXP_LNKCTL_LBMIE 0x0400 /* Link Bandwidth Management Interrupt Enable */ +#define PCI_EXP_LNKCTL_LABIE 0x0800 /* Lnk Autonomous Bandwidth Interrupt Enable */ #define PCI_EXP_LNKSTA 18 /* Link Status */ -#define PCI_EXP_LNKSTA_LT 0x800 /* Link Training */ +#define PCI_EXP_LNKSTA_CLS 0x000f /* Current Link Speed */ +#define PCI_EXP_LNKSTA_NLW 0x03f0 /* Nogotiated Link Width */ +#define PCI_EXP_LNKSTA_LT 0x0800 /* Link Training */ #define PCI_EXP_LNKSTA_SLC 0x1000 /* Slot Clock Configuration */ +#define PCI_EXP_LNKSTA_DLLLA 0x2000 /* Data Link Layer Link Active */ +#define PCI_EXP_LNKSTA_LBMS 0x4000 /* Link Bandwidth Management Status */ +#define PCI_EXP_LNKSTA_LABS 0x8000 /* Link Autonomous Bandwidth Status */ #define PCI_EXP_SLTCAP 20 /* Slot Capabilities */ +#define PCI_EXP_SLTCAP_ABP 0x00000001 /* Attention Button Present */ +#define PCI_EXP_SLTCAP_PCP 0x00000002 /* Power Controller Present */ +#define PCI_EXP_SLTCAP_MRLSP 0x00000004 /* MRL Sensor Present */ +#define PCI_EXP_SLTCAP_AIP 0x00000008 /* Attention Indicator Present */ +#define PCI_EXP_SLTCAP_PIP 0x00000010 /* Power Indicator Present */ +#define PCI_EXP_SLTCAP_HPS 0x00000020 /* Hot-Plug Surprise */ +#define PCI_EXP_SLTCAP_HPC 0x00000040 /* Hot-Plug Capable */ +#define PCI_EXP_SLTCAP_SPLV 0x00007f80 /* Slot Power Limit Value */ +#define PCI_EXP_SLTCAP_SPLS 0x00018000 /* Slot Power Limit Scale */ +#define PCI_EXP_SLTCAP_EIP 0x00020000 /* Electromechanical Interlock Present */ +#define PCI_EXP_SLTCAP_NCCS 0x00040000 /* No Command Completed Support */ +#define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */ #define PCI_EXP_SLTCTL 24 /* Slot Control */ +#define PCI_EXP_SLTCTL_ABPE 0x0001 /* Attention Button Pressed Enable */ +#define PCI_EXP_SLTCTL_PFDE 0x0002 /* Power Fault Detected Enable */ +#define PCI_EXP_SLTCTL_MRLSCE 0x0004 /* MRL Sensor Changed Enable */ +#define PCI_EXP_SLTCTL_PDCE 0x0008 /* Presence Detect Changed Enable */ +#define PCI_EXP_SLTCTL_CCIE 0x0010 /* Command Completed Interrupt Enable */ +#define PCI_EXP_SLTCTL_HPIE 0x0020 /* Hot-Plug Interrupt Enable */ +#define PCI_EXP_SLTCTL_AIC 0x00c0 /* Attention Indicator Control */ +#define PCI_EXP_SLTCTL_PIC 0x0300 /* Power Indicator Control */ +#define PCI_EXP_SLTCTL_PCC 0x0400 /* Power Controller Control */ +#define PCI_EXP_SLTCTL_EIC 0x0800 /* Electromechanical Interlock Control */ +#define PCI_EXP_SLTCTL_DLLSCE 0x1000 /* Data Link Layer State Changed Enable */ #define PCI_EXP_SLTSTA 26 /* Slot Status */ +#define PCI_EXP_SLTSTA_ABP 0x0001 /* Attention Button Pressed */ +#define PCI_EXP_SLTSTA_PFD 0x0002 /* Power Fault Detected */ +#define PCI_EXP_SLTSTA_MRLSC 0x0004 /* MRL Sensor Changed */ +#define PCI_EXP_SLTSTA_PDC 0x0008 /* Presence Detect Changed */ +#define PCI_EXP_SLTSTA_CC 0x0010 /* Command Completed */ +#define PCI_EXP_SLTSTA_MRLSS 0x0020 /* MRL Sensor State */ +#define PCI_EXP_SLTSTA_PDS 0x0040 /* Presence Detect State */ +#define PCI_EXP_SLTSTA_EIS 0x0080 /* Electromechanical Interlock Status */ +#define PCI_EXP_SLTSTA_DLLSC 0x0100 /* Data Link Layer State Changed */ #define PCI_EXP_RTCTL 28 /* Root Control */ #define PCI_EXP_RTCTL_SECEE 0x01 /* System Error on Correctable Error */ #define PCI_EXP_RTCTL_SENFEE 0x02 /* System Error on Non-Fatal Error */ diff --git a/include/linux/pid.h b/include/linux/pid.h index bb206c56d1f0..49f1c2f66e95 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -123,6 +123,24 @@ extern struct pid *alloc_pid(struct pid_namespace *ns); extern void free_pid(struct pid *pid); /* + * ns_of_pid() returns the pid namespace in which the specified pid was + * allocated. + * + * NOTE: + * ns_of_pid() is expected to be called for a process (task) that has + * an attached 'struct pid' (see attach_pid(), detach_pid()) i.e @pid + * is expected to be non-NULL. If @pid is NULL, caller should handle + * the resulting NULL pid-ns. + */ +static inline struct pid_namespace *ns_of_pid(struct pid *pid) +{ + struct pid_namespace *ns = NULL; + if (pid) + ns = pid->numbers[pid->level].ns; + return ns; +} + +/* * the helpers to get the pid's id seen from different namespaces * * pid_nr() : global id, i.e. the id seen from the init namespace; diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index d82fe825d62f..38d10326246a 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -79,11 +79,7 @@ static inline void zap_pid_ns_processes(struct pid_namespace *ns) } #endif /* CONFIG_PID_NS */ -static inline struct pid_namespace *task_active_pid_ns(struct task_struct *tsk) -{ - return tsk->nsproxy->pid_ns; -} - +extern struct pid_namespace *task_active_pid_ns(struct task_struct *tsk); void pidhash_init(void); void pidmap_init(void); diff --git a/include/linux/qnx4_fs.h b/include/linux/qnx4_fs.h index 34a196ee7941..787d19ea9f46 100644 --- a/include/linux/qnx4_fs.h +++ b/include/linux/qnx4_fs.h @@ -2,14 +2,12 @@ * Name : qnx4_fs.h * Author : Richard Frowijn * Function : qnx4 global filesystem definitions - * Version : 1.0.2 - * Last modified : 2000-01-31 - * * History : 23-03-1998 created */ #ifndef _LINUX_QNX4_FS_H #define _LINUX_QNX4_FS_H +#include <linux/types.h> #include <linux/qnxtypes.h> #include <linux/magic.h> diff --git a/include/linux/qnxtypes.h b/include/linux/qnxtypes.h index a3eb1137857b..bebbe5cc4fb8 100644 --- a/include/linux/qnxtypes.h +++ b/include/linux/qnxtypes.h @@ -2,9 +2,6 @@ * Name : qnxtypes.h * Author : Richard Frowijn * Function : standard qnx types - * Version : 1.0.2 - * Last modified : 2000-01-06 - * * History : 22-03-1998 created * */ @@ -12,6 +9,8 @@ #ifndef _QNX4TYPES_H #define _QNX4TYPES_H +#include <linux/types.h> + typedef __le16 qnx4_nxtnt_t; typedef __u8 qnx4_ftype_t; diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h index 8fc909ef6787..9743e4dbc918 100644 --- a/include/linux/raid/md_k.h +++ b/include/linux/raid/md_k.h @@ -137,6 +137,9 @@ struct mddev_s struct gendisk *gendisk; struct kobject kobj; + int hold_active; +#define UNTIL_IOCTL 1 +#define UNTIL_STOP 2 /* Superblock information */ int major_version, @@ -215,6 +218,9 @@ struct mddev_s #define MD_RECOVERY_FROZEN 9 unsigned long recovery; + int recovery_disabled; /* if we detect that recovery + * will always fail, set this + * so we don't loop trying */ int in_sync; /* know to not need resync */ struct mutex reconfig_mutex; @@ -244,6 +250,9 @@ struct mddev_s struct sysfs_dirent *sysfs_state; /* handle for 'array_state' * file in sysfs. */ + struct sysfs_dirent *sysfs_action; /* handle for 'sync_action' */ + + struct work_struct del_work; /* used for delayed sysfs removal */ spinlock_t write_lock; wait_queue_head_t sb_wait; /* for waiting on superblock updates */ @@ -334,17 +343,14 @@ static inline char * mdname (mddev_t * mddev) * iterates through some rdev ringlist. It's safe to remove the * current 'rdev'. Dont touch 'tmp' though. */ -#define rdev_for_each_list(rdev, tmp, list) \ - \ - for ((tmp) = (list).next; \ - (rdev) = (list_entry((tmp), mdk_rdev_t, same_set)), \ - (tmp) = (tmp)->next, (tmp)->prev != &(list) \ - ; ) +#define rdev_for_each_list(rdev, tmp, head) \ + list_for_each_entry_safe(rdev, tmp, head, same_set) + /* * iterates through the 'same array disks' ringlist */ #define rdev_for_each(rdev, tmp, mddev) \ - rdev_for_each_list(rdev, tmp, (mddev)->disks) + list_for_each_entry_safe(rdev, tmp, &((mddev)->disks), same_set) #define rdev_for_each_rcu(rdev, mddev) \ list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set) diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h index 8b4de4a41ff1..9491026afe66 100644 --- a/include/linux/raid/md_p.h +++ b/include/linux/raid/md_p.h @@ -194,6 +194,8 @@ static inline __u64 md_event(mdp_super_t *sb) { return (ev<<32)| sb->events_lo; } +#define MD_SUPERBLOCK_1_TIME_SEC_MASK ((1ULL<<40) - 1) + /* * The version-1 superblock : * All numeric fields are little-endian. diff --git a/include/linux/raid/raid0.h b/include/linux/raid/raid0.h index 1b2dda035f8e..fd42aa87c391 100644 --- a/include/linux/raid/raid0.h +++ b/include/linux/raid/raid0.h @@ -5,9 +5,9 @@ struct strip_zone { - sector_t zone_offset; /* Zone offset in md_dev */ - sector_t dev_offset; /* Zone offset in real dev */ - sector_t size; /* Zone size */ + sector_t zone_start; /* Zone offset in md_dev (in sectors) */ + sector_t dev_start; /* Zone offset in real dev (in sectors) */ + sector_t sectors; /* Zone size in sectors */ int nb_dev; /* # of devices attached to the zone */ mdk_rdev_t **dev; /* Devices attached to the zone */ }; @@ -19,8 +19,8 @@ struct raid0_private_data mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */ int nr_strip_zones; - sector_t hash_spacing; - int preshift; /* shift this before divide by hash_spacing */ + sector_t spacing; + int sector_shift; /* shift this before divide by spacing */ }; typedef struct raid0_private_data raid0_conf_t; diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index 344bc3495ddb..9c295411d01f 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -140,10 +140,10 @@ extern void rb_insert_color(struct rb_node *, struct rb_root *); extern void rb_erase(struct rb_node *, struct rb_root *); /* Find logical next and previous nodes in a tree */ -extern struct rb_node *rb_next(struct rb_node *); -extern struct rb_node *rb_prev(struct rb_node *); -extern struct rb_node *rb_first(struct rb_root *); -extern struct rb_node *rb_last(struct rb_root *); +extern struct rb_node *rb_next(const struct rb_node *); +extern struct rb_node *rb_prev(const struct rb_node *); +extern struct rb_node *rb_first(const struct rb_root *); +extern struct rb_node *rb_last(const struct rb_root *); /* Fast replacement of a single node without remove/rebalance/add/rebalance */ extern void rb_replace_node(struct rb_node *victim, struct rb_node *new, diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index afdc4558bb94..801bf77ff4e2 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -104,10 +104,10 @@ struct regulator; /** * struct regulator_bulk_data - Data used for bulk regulator operations. * - * @supply The name of the supply. Initialised by the user before - * using the bulk regulator APIs. - * @consumer The regulator consumer for the supply. This will be managed - * by the bulk API. + * @supply: The name of the supply. Initialised by the user before + * using the bulk regulator APIs. + * @consumer: The regulator consumer for the supply. This will be managed + * by the bulk API. * * The regulator APIs provide a series of regulator_bulk_() API calls as * a convenience to consumers which require multiple supplies. This diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index e37d80561985..2dae05705f13 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -24,7 +24,33 @@ struct regulator_init_data; /** * struct regulator_ops - regulator operations. * - * This struct describes regulator operations. + * This struct describes regulator operations which can be implemented by + * regulator chip drivers. + * + * @enable: Enable the regulator. + * @disable: Disable the regulator. + * @is_enabled: Return 1 if the regulator is enabled, 0 otherwise. + * + * @set_voltage: Set the voltage for the regulator within the range specified. + * The driver should select the voltage closest to min_uV. + * @get_voltage: Return the currently configured voltage for the regulator. + * + * @set_current_limit: Configure a limit for a current-limited regulator. + * @get_current_limit: Get the limit for a current-limited regulator. + * + * @set_mode: Set the operating mode for the regulator. + * @get_mode: Get the current operating mode for the regulator. + * @get_optimum_mode: Get the most efficient operating mode for the regulator + * when running with the specified parameters. + * + * @set_suspend_voltage: Set the voltage for the regulator when the system + * is suspended. + * @set_suspend_enable: Mark the regulator as enabled when the system is + * suspended. + * @set_suspend_disable: Mark the regulator as disabled when the system is + * suspended. + * @set_suspend_mode: Set the operating mode for the regulator when the + * system is suspended. */ struct regulator_ops { @@ -75,6 +101,15 @@ enum regulator_type { /** * struct regulator_desc - Regulator descriptor * + * Each regulator registered with the core is described with a structure of + * this type. + * + * @name: Identifying name for the regulator. + * @id: Numerical identifier for the regulator. + * @ops: Regulator operations table. + * @irq: Interrupt number for the regulator. + * @type: Indicates if the regulator is a voltage or current regulator. + * @owner: Module providing the regulator, used for refcounting. */ struct regulator_desc { const char *name; diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index c6d69331a81e..3794773b23d2 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -44,6 +44,10 @@ struct regulator; * struct regulator_state - regulator state during low power syatem states * * This describes a regulators state during a system wide low power state. + * + * @uV: Operating voltage during suspend. + * @mode: Operating mode during suspend. + * @enabled: Enabled during suspend. */ struct regulator_state { int uV; /* suspend voltage */ @@ -55,6 +59,30 @@ struct regulator_state { * struct regulation_constraints - regulator operating constraints. * * This struct describes regulator and board/machine specific constraints. + * + * @name: Descriptive name for the constraints, used for display purposes. + * + * @min_uV: Smallest voltage consumers may set. + * @max_uV: Largest voltage consumers may set. + * + * @min_uA: Smallest consumers consumers may set. + * @max_uA: Largest current consumers may set. + * + * @valid_modes_mask: Mask of modes which may be configured by consumers. + * @valid_ops_mask: Operations which may be performed by consumers. + * + * @always_on: Set if the regulator should never be disabled. + * @boot_on: Set if the regulator is enabled when the system is initially + * started. + * @apply_uV: Apply the voltage constraint when initialising. + * + * @input_uV: Input voltage for regulator when supplied by another regulator. + * + * @state_disk: State for regulator when system is suspended in disk mode. + * @state_mem: State for regulator when system is suspended in mem mode. + * @state_standby: State for regulator when system is suspended in standby + * mode. + * @initial_state: Suspend state to set by default. */ struct regulation_constraints { @@ -93,6 +121,9 @@ struct regulation_constraints { * struct regulator_consumer_supply - supply -> device mapping * * This maps a supply name to a device. + * + * @dev: Device structure for the consumer. + * @supply: Name for the supply. */ struct regulator_consumer_supply { struct device *dev; /* consumer */ @@ -103,6 +134,16 @@ struct regulator_consumer_supply { * struct regulator_init_data - regulator platform initialisation data. * * Initialisation constraints, our supply and consumers supplies. + * + * @supply_regulator_dev: Parent regulator (if any). + * + * @constraints: Constraints. These must be specified for the regulator to + * be usable. + * @num_consumer_supplies: Number of consumer device supplies. + * @consumer_supplies: Consumer device supply configuration. + * + * @regulator_init: Callback invoked when the regulator has been registered. + * @driver_data: Data passed to regulator_init. */ struct regulator_init_data { struct device *supply_regulator_dev; /* or NULL for LINE */ diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h index 271c1c2c9f6f..dede0a2cfc45 100644 --- a/include/linux/res_counter.h +++ b/include/linux/res_counter.h @@ -43,6 +43,10 @@ struct res_counter { * the routines below consider this to be IRQ-safe */ spinlock_t lock; + /* + * Parent counter, used for hierarchial resource accounting + */ + struct res_counter *parent; }; /** @@ -87,7 +91,7 @@ enum { * helpers for accounting */ -void res_counter_init(struct res_counter *counter); +void res_counter_init(struct res_counter *counter, struct res_counter *parent); /* * charge - try to consume more resource. @@ -103,7 +107,7 @@ void res_counter_init(struct res_counter *counter); int __must_check res_counter_charge_locked(struct res_counter *counter, unsigned long val); int __must_check res_counter_charge(struct res_counter *counter, - unsigned long val); + unsigned long val, struct res_counter **limit_fail_at); /* * uncharge - tell that some portion of the resource is released diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index b4199841f1fc..90bbbf0b1161 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -161,6 +161,9 @@ #define PORT_S3C6400 84 +/* NWPSERIAL */ +#define PORT_NWPSERIAL 85 + #ifdef __KERNEL__ #include <linux/compiler.h> diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 82229317753d..68bb1c501d0d 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -327,9 +327,9 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * @tx_dma: DMA address of tx_buf, if @spi_message.is_dma_mapped * @rx_dma: DMA address of rx_buf, if @spi_message.is_dma_mapped * @len: size of rx and tx buffers (in bytes) - * @speed_hz: Select a speed other then the device default for this + * @speed_hz: Select a speed other than the device default for this * transfer. If 0 the default (from @spi_device) is used. - * @bits_per_word: select a bits_per_word other then the device default + * @bits_per_word: select a bits_per_word other than the device default * for this transfer. If 0 the default (from @spi_device) is used. * @cs_change: affects chipselect after this transfer completes * @delay_usecs: microseconds to delay after this transfer before diff --git a/include/linux/spi/tdo24m.h b/include/linux/spi/tdo24m.h new file mode 100644 index 000000000000..7572d4e1fe76 --- /dev/null +++ b/include/linux/spi/tdo24m.h @@ -0,0 +1,13 @@ +#ifndef __TDO24M_H__ +#define __TDO24M_H__ + +enum tdo24m_model { + TDO24M, + TDO35S, +}; + +struct tdo24m_platform_data { + enum tdo24m_model model; +}; + +#endif /* __TDO24M_H__ */ diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 3afe7fb403b2..3435d24bfe55 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -58,10 +58,13 @@ struct svc_serv { struct svc_stat * sv_stats; /* RPC statistics */ spinlock_t sv_lock; unsigned int sv_nrthreads; /* # of server threads */ + unsigned int sv_maxconn; /* max connections allowed or + * '0' causing max to be based + * on number of threads. */ + unsigned int sv_max_payload; /* datagram payload size */ unsigned int sv_max_mesg; /* max_payload + 1 page for overheads */ unsigned int sv_xdrsize; /* XDR buffer size */ - struct list_head sv_permsocks; /* all permanent sockets */ struct list_head sv_tempsocks; /* all temporary sockets */ int sv_tmpcnt; /* count of temporary sockets */ diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 2ce8207686e2..2b409c44db83 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -232,6 +232,11 @@ extern unsigned long get_safe_page(gfp_t gfp_mask); extern void hibernation_set_ops(struct platform_hibernation_ops *ops); extern int hibernate(void); +extern int hibernate_nvs_register(unsigned long start, unsigned long size); +extern int hibernate_nvs_alloc(void); +extern void hibernate_nvs_free(void); +extern void hibernate_nvs_save(void); +extern void hibernate_nvs_restore(void); #else /* CONFIG_HIBERNATION */ static inline int swsusp_page_is_forbidden(struct page *p) { return 0; } static inline void swsusp_set_page_free(struct page *p) {} @@ -239,6 +244,14 @@ static inline void swsusp_unset_page_free(struct page *p) {} static inline void hibernation_set_ops(struct platform_hibernation_ops *ops) {} static inline int hibernate(void) { return -ENOSYS; } +static inline int hibernate_nvs_register(unsigned long a, unsigned long b) +{ + return 0; +} +static inline int hibernate_nvs_alloc(void) { return 0; } +static inline void hibernate_nvs_free(void) {} +static inline void hibernate_nvs_save(void) {} +static inline void hibernate_nvs_restore(void) {} #endif /* CONFIG_HIBERNATION */ #ifdef CONFIG_PM_SLEEP diff --git a/include/linux/swap.h b/include/linux/swap.h index 91dee50fe260..d30215578877 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -214,7 +214,8 @@ static inline void lru_cache_add_active_file(struct page *page) extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order, gfp_t gfp_mask); extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem, - gfp_t gfp_mask); + gfp_t gfp_mask, bool noswap, + unsigned int swappiness); extern int __isolate_lru_page(struct page *page, int mode, int file); extern unsigned long shrink_all_memory(unsigned long nr_pages); extern int vm_swappiness; @@ -333,6 +334,22 @@ static inline void disable_swap_token(void) put_swap_token(swap_token_mm); } +#ifdef CONFIG_CGROUP_MEM_RES_CTLR +extern void mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent); +#else +static inline void +mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent) +{ +} +#endif +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP +extern void mem_cgroup_uncharge_swap(swp_entry_t ent); +#else +static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) +{ +} +#endif + #else /* CONFIG_SWAP */ #define nr_swap_pages 0L @@ -409,6 +426,12 @@ static inline swp_entry_t get_swap_page(void) #define has_swap_token(x) 0 #define disable_swap_token() do { } while(0) +static inline int mem_cgroup_cache_charge_swapin(struct page *page, + struct mm_struct *mm, gfp_t mask, bool locked) +{ + return 0; +} + #endif /* CONFIG_SWAP */ #endif /* __KERNEL__*/ #endif /* _LINUX_SWAP_H */ diff --git a/include/linux/types.h b/include/linux/types.h index 3b864f2d9560..712ca53bc348 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -176,10 +176,9 @@ typedef __u16 __bitwise __le16; typedef __u16 __bitwise __be16; typedef __u32 __bitwise __le32; typedef __u32 __bitwise __be32; -#if defined(__GNUC__) typedef __u64 __bitwise __le64; typedef __u64 __bitwise __be64; -#endif + typedef __u16 __bitwise __sum16; typedef __u32 __bitwise __wsum; diff --git a/include/linux/usb.h b/include/linux/usb.h index f72aa51f7bcd..85ee9be9361e 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -108,6 +108,7 @@ enum usb_interface_condition { * (in probe()), bound to a driver, or unbinding (in disconnect()) * @is_active: flag set when the interface is bound and not suspended. * @sysfs_files_created: sysfs attributes exist + * @ep_devs_created: endpoint child pseudo-devices exist * @unregistering: flag set when the interface is being unregistered * @needs_remote_wakeup: flag set when the driver requires remote-wakeup * capability during autosuspend. @@ -120,6 +121,11 @@ enum usb_interface_condition { * to the sysfs representation for that device. * @pm_usage_cnt: PM usage counter for this interface; autosuspend is not * allowed unless the counter is 0. + * @reset_ws: Used for scheduling resets from atomic context. + * @reset_running: set to 1 if the interface is currently running a + * queued reset so that usb_cancel_queued_reset() doesn't try to + * remove from the workqueue when running inside the worker + * thread. See __usb_queue_reset_device(). * * USB device drivers attach to interfaces on a physical device. Each * interface encapsulates a single high level function, such as feeding @@ -164,14 +170,17 @@ struct usb_interface { enum usb_interface_condition condition; /* state of binding */ unsigned is_active:1; /* the interface is not suspended */ unsigned sysfs_files_created:1; /* the sysfs attributes exist */ + unsigned ep_devs_created:1; /* endpoint "devices" exist */ unsigned unregistering:1; /* unregistration is in progress */ unsigned needs_remote_wakeup:1; /* driver requires remote wakeup */ unsigned needs_altsetting0:1; /* switch to altsetting 0 is pending */ unsigned needs_binding:1; /* needs delayed unbind/rebind */ + unsigned reset_running:1; struct device dev; /* interface specific device info */ struct device *usb_dev; int pm_usage_cnt; /* usage counter for autosuspend */ + struct work_struct reset_ws; /* for resets in atomic context */ }; #define to_usb_interface(d) container_of(d, struct usb_interface, dev) #define interface_to_usbdev(intf) \ @@ -329,7 +338,7 @@ struct usb_bus { #endif struct device *dev; /* device for this bus */ -#if defined(CONFIG_USB_MON) +#if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE) struct mon_bus *mon_bus; /* non-null when associated */ int monitored; /* non-zero when monitored */ #endif @@ -398,6 +407,7 @@ struct usb_tt; * @urbnum: number of URBs submitted for the whole device * @active_duration: total time device is not suspended * @autosuspend: for delayed autosuspends + * @autoresume: for autoresumes requested while in_interrupt * @pm_mutex: protects PM operations * @last_busy: time of last use * @autosuspend_delay: in jiffies @@ -476,6 +486,7 @@ struct usb_device { #ifdef CONFIG_PM struct delayed_work autosuspend; + struct work_struct autoresume; struct mutex pm_mutex; unsigned long last_busy; @@ -505,6 +516,7 @@ extern int usb_lock_device_for_reset(struct usb_device *udev, /* USB port reset for device reinitialization */ extern int usb_reset_device(struct usb_device *dev); +extern void usb_queue_reset_device(struct usb_interface *dev); extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id); @@ -513,6 +525,8 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id); extern int usb_autopm_set_interface(struct usb_interface *intf); extern int usb_autopm_get_interface(struct usb_interface *intf); extern void usb_autopm_put_interface(struct usb_interface *intf); +extern int usb_autopm_get_interface_async(struct usb_interface *intf); +extern void usb_autopm_put_interface_async(struct usb_interface *intf); static inline void usb_autopm_enable(struct usb_interface *intf) { @@ -539,8 +553,13 @@ static inline int usb_autopm_set_interface(struct usb_interface *intf) static inline int usb_autopm_get_interface(struct usb_interface *intf) { return 0; } +static inline int usb_autopm_get_interface_async(struct usb_interface *intf) +{ return 0; } + static inline void usb_autopm_put_interface(struct usb_interface *intf) { } +static inline void usb_autopm_put_interface_async(struct usb_interface *intf) +{ } static inline void usb_autopm_enable(struct usb_interface *intf) { } static inline void usb_autopm_disable(struct usb_interface *intf) @@ -1050,7 +1069,7 @@ struct usb_device_driver { void (*disconnect) (struct usb_device *udev); int (*suspend) (struct usb_device *udev, pm_message_t message); - int (*resume) (struct usb_device *udev); + int (*resume) (struct usb_device *udev, pm_message_t message); struct usbdrv_wrap drvwrap; unsigned int supports_autosuspend:1; }; @@ -1321,7 +1340,7 @@ struct urb { struct kref kref; /* reference count of the URB */ void *hcpriv; /* private data for host controller */ atomic_t use_count; /* concurrent submissions counter */ - u8 reject; /* submissions will fail */ + atomic_t reject; /* submissions will fail */ int unlinked; /* unlink error code */ /* public: documented fields in the urb that can be used by drivers */ @@ -1466,6 +1485,7 @@ extern void usb_poison_urb(struct urb *urb); extern void usb_unpoison_urb(struct urb *urb); extern void usb_kill_anchored_urbs(struct usb_anchor *anchor); extern void usb_poison_anchored_urbs(struct usb_anchor *anchor); +extern void usb_unpoison_anchored_urbs(struct usb_anchor *anchor); extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor); extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor); extern void usb_unanchor_urb(struct urb *urb); @@ -1722,10 +1742,6 @@ extern void usb_unregister_notify(struct notifier_block *nb); #define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \ format "\n" , ## arg) -#define info(format, arg...) printk(KERN_INFO KBUILD_MODNAME ": " \ - format "\n" , ## arg) -#define warn(format, arg...) printk(KERN_WARNING KBUILD_MODNAME ": " \ - format "\n" , ## arg) #endif /* __KERNEL__ */ diff --git a/include/linux/usb/association.h b/include/linux/usb/association.h index 07c5e3cf5898..0a4a18b3c1bb 100644 --- a/include/linux/usb/association.h +++ b/include/linux/usb/association.h @@ -28,17 +28,17 @@ struct wusb_am_attr { }; /* Different fields defined by the spec */ -#define WUSB_AR_AssociationTypeId { .id = 0x0000, .len = 2 } -#define WUSB_AR_AssociationSubTypeId { .id = 0x0001, .len = 2 } -#define WUSB_AR_Length { .id = 0x0002, .len = 4 } -#define WUSB_AR_AssociationStatus { .id = 0x0004, .len = 4 } -#define WUSB_AR_LangID { .id = 0x0008, .len = 2 } -#define WUSB_AR_DeviceFriendlyName { .id = 0x000b, .len = 64 } /* max */ -#define WUSB_AR_HostFriendlyName { .id = 0x000c, .len = 64 } /* max */ -#define WUSB_AR_CHID { .id = 0x1000, .len = 16 } -#define WUSB_AR_CDID { .id = 0x1001, .len = 16 } -#define WUSB_AR_ConnectionContext { .id = 0x1002, .len = 48 } -#define WUSB_AR_BandGroups { .id = 0x1004, .len = 2 } +#define WUSB_AR_AssociationTypeId { .id = cpu_to_le16(0x0000), .len = cpu_to_le16(2) } +#define WUSB_AR_AssociationSubTypeId { .id = cpu_to_le16(0x0001), .len = cpu_to_le16(2) } +#define WUSB_AR_Length { .id = cpu_to_le16(0x0002), .len = cpu_to_le16(4) } +#define WUSB_AR_AssociationStatus { .id = cpu_to_le16(0x0004), .len = cpu_to_le16(4) } +#define WUSB_AR_LangID { .id = cpu_to_le16(0x0008), .len = cpu_to_le16(2) } +#define WUSB_AR_DeviceFriendlyName { .id = cpu_to_le16(0x000b), .len = cpu_to_le16(64) } /* max */ +#define WUSB_AR_HostFriendlyName { .id = cpu_to_le16(0x000c), .len = cpu_to_le16(64) } /* max */ +#define WUSB_AR_CHID { .id = cpu_to_le16(0x1000), .len = cpu_to_le16(16) } +#define WUSB_AR_CDID { .id = cpu_to_le16(0x1001), .len = cpu_to_le16(16) } +#define WUSB_AR_ConnectionContext { .id = cpu_to_le16(0x1002), .len = cpu_to_le16(48) } +#define WUSB_AR_BandGroups { .id = cpu_to_le16(0x1004), .len = cpu_to_le16(2) } /* CBAF Control Requests (AMS1.0[T4-1] */ enum { diff --git a/include/linux/usb/gpio_vbus.h b/include/linux/usb/gpio_vbus.h new file mode 100644 index 000000000000..d9f03ccc2d60 --- /dev/null +++ b/include/linux/usb/gpio_vbus.h @@ -0,0 +1,30 @@ +/* + * A simple GPIO VBUS sensing driver for B peripheral only devices + * with internal transceivers. + * Optionally D+ pullup can be controlled by a second GPIO. + * + * Copyright (c) 2008 Philipp Zabel <philipp.zabel@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +/** + * struct gpio_vbus_mach_info - configuration for gpio_vbus + * @gpio_vbus: VBUS sensing GPIO + * @gpio_pullup: optional D+ or D- pullup GPIO (else negative/invalid) + * @gpio_vbus_inverted: true if gpio_vbus is active low + * @gpio_pullup_inverted: true if gpio_pullup is active low + * + * The VBUS sensing GPIO should have a pulldown, which will normally be + * part of a resistor ladder turning a 4.0V-5.25V level on VBUS into a + * value the GPIO detects as active. Some systems will use comparators. + */ +struct gpio_vbus_mach_info { + int gpio_vbus; + int gpio_pullup; + bool gpio_vbus_inverted; + bool gpio_pullup_inverted; +}; diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h index 630962c04ca4..d6aad0ea6033 100644 --- a/include/linux/usb/musb.h +++ b/include/linux/usb/musb.h @@ -47,6 +47,11 @@ struct musb_hdrc_config { u8 ram_bits; /* ram address size */ struct musb_hdrc_eps_bits *eps_bits; +#ifdef CONFIG_BLACKFIN + /* A GPIO controlling VRSEL in Blackfin */ + unsigned int gpio_vrsel; +#endif + }; struct musb_hdrc_platform_data { diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index 1db25d152ad8..94df4fe6c6c0 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -84,6 +84,7 @@ extern int otg_set_transceiver(struct otg_transceiver *); /* for usb host and peripheral controller drivers */ extern struct otg_transceiver *otg_get_transceiver(void); +extern void otg_put_transceiver(struct otg_transceiver *); static inline int otg_start_hnp(struct otg_transceiver *otg) diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h index d9a3bbe38e6b..1eea1ab68dc4 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -52,8 +52,11 @@ US_FLAG(MAX_SECTORS_MIN,0x00002000) \ /* Sets max_sectors to arch min */ \ US_FLAG(BULK_IGNORE_TAG,0x00004000) \ - /* Ignore tag mismatch in bulk operations */ - + /* Ignore tag mismatch in bulk operations */ \ + US_FLAG(SANE_SENSE, 0x00008000) \ + /* Sane Sense (> 18 bytes) */ \ + US_FLAG(CAPACITY_OK, 0x00010000) \ + /* READ CAPACITY response is correct */ #define US_FLAG(name, value) US_FL_##name = value , enum { US_DO_ALL_FLAGS }; diff --git a/include/linux/wimax.h b/include/linux/wimax.h new file mode 100644 index 000000000000..c89de7f4e5b9 --- /dev/null +++ b/include/linux/wimax.h @@ -0,0 +1,234 @@ +/* + * Linux WiMax + * API for user space + * + * + * Copyright (C) 2007-2008 Intel Corporation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * + * Intel Corporation <linux-wimax@intel.com> + * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> + * - Initial implementation + * + * + * This file declares the user/kernel protocol that is spoken over + * Generic Netlink, as well as any type declaration that is to be used + * by kernel and user space. + * + * It is intended for user space to clone it verbatim to use it as a + * primary reference for definitions. + * + * Stuff intended for kernel usage as well as full protocol and stack + * documentation is rooted in include/net/wimax.h. + */ + +#ifndef __LINUX__WIMAX_H__ +#define __LINUX__WIMAX_H__ + +#include <linux/types.h> + +enum { + /** + * Version of the interface (unsigned decimal, MMm, max 25.5) + * M - Major: change if removing or modifying an existing call. + * m - minor: change when adding a new call + */ + WIMAX_GNL_VERSION = 00, + /* Generic NetLink attributes */ + WIMAX_GNL_ATTR_INVALID = 0x00, + WIMAX_GNL_ATTR_MAX = 10, +}; + + +/* + * Generic NetLink operations + * + * Most of these map to an API call; _OP_ stands for operation, _RP_ + * for reply and _RE_ for report (aka: signal). + */ +enum { + WIMAX_GNL_OP_MSG_FROM_USER, /* User to kernel message */ + WIMAX_GNL_OP_MSG_TO_USER, /* Kernel to user message */ + WIMAX_GNL_OP_RFKILL, /* Run wimax_rfkill() */ + WIMAX_GNL_OP_RESET, /* Run wimax_rfkill() */ + WIMAX_GNL_RE_STATE_CHANGE, /* Report: status change */ +}; + + +/* Message from user / to user */ +enum { + WIMAX_GNL_MSG_IFIDX = 1, + WIMAX_GNL_MSG_PIPE_NAME, + WIMAX_GNL_MSG_DATA, +}; + + +/* + * wimax_rfkill() + * + * The state of the radio (ON/OFF) is mapped to the rfkill subsystem's + * switch state (DISABLED/ENABLED). + */ +enum wimax_rf_state { + WIMAX_RF_OFF = 0, /* Radio is off, rfkill on/enabled */ + WIMAX_RF_ON = 1, /* Radio is on, rfkill off/disabled */ + WIMAX_RF_QUERY = 2, +}; + +/* Attributes */ +enum { + WIMAX_GNL_RFKILL_IFIDX = 1, + WIMAX_GNL_RFKILL_STATE, +}; + + +/* Attributes for wimax_reset() */ +enum { + WIMAX_GNL_RESET_IFIDX = 1, +}; + + +/* + * Attributes for the Report State Change + * + * For now we just have the old and new states; new attributes might + * be added later on. + */ +enum { + WIMAX_GNL_STCH_IFIDX = 1, + WIMAX_GNL_STCH_STATE_OLD, + WIMAX_GNL_STCH_STATE_NEW, +}; + + +/** + * enum wimax_st - The different states of a WiMAX device + * @__WIMAX_ST_NULL: The device structure has been allocated and zeroed, + * but still wimax_dev_add() hasn't been called. There is no state. + * + * @WIMAX_ST_DOWN: The device has been registered with the WiMAX and + * networking stacks, but it is not initialized (normally that is + * done with 'ifconfig DEV up' [or equivalent], which can upload + * firmware and enable communications with the device). + * In this state, the device is powered down and using as less + * power as possible. + * This state is the default after a call to wimax_dev_add(). It + * is ok to have drivers move directly to %WIMAX_ST_UNINITIALIZED + * or %WIMAX_ST_RADIO_OFF in _probe() after the call to + * wimax_dev_add(). + * It is recommended that the driver leaves this state when + * calling 'ifconfig DEV up' and enters it back on 'ifconfig DEV + * down'. + * + * @__WIMAX_ST_QUIESCING: The device is being torn down, so no API + * operations are allowed to proceed except the ones needed to + * complete the device clean up process. + * + * @WIMAX_ST_UNINITIALIZED: [optional] Communication with the device + * is setup, but the device still requires some configuration + * before being operational. + * Some WiMAX API calls might work. + * + * @WIMAX_ST_RADIO_OFF: The device is fully up; radio is off (wether + * by hardware or software switches). + * It is recommended to always leave the device in this state + * after initialization. + * + * @WIMAX_ST_READY: The device is fully up and radio is on. + * + * @WIMAX_ST_SCANNING: [optional] The device has been instructed to + * scan. In this state, the device cannot be actively connected to + * a network. + * + * @WIMAX_ST_CONNECTING: The device is connecting to a network. This + * state exists because in some devices, the connect process can + * include a number of negotiations between user space, kernel + * space and the device. User space needs to know what the device + * is doing. If the connect sequence in a device is atomic and + * fast, the device can transition directly to CONNECTED + * + * @WIMAX_ST_CONNECTED: The device is connected to a network. + * + * @__WIMAX_ST_INVALID: This is an invalid state used to mark the + * maximum numeric value of states. + * + * Description: + * + * Transitions from one state to another one are atomic and can only + * be caused in kernel space with wimax_state_change(). To read the + * state, use wimax_state_get(). + * + * States starting with __ are internal and shall not be used or + * referred to by drivers or userspace. They look ugly, but that's the + * point -- if any use is made non-internal to the stack, it is easier + * to catch on review. + * + * All API operations [with well defined exceptions] will take the + * device mutex before starting and then check the state. If the state + * is %__WIMAX_ST_NULL, %WIMAX_ST_DOWN, %WIMAX_ST_UNINITIALIZED or + * %__WIMAX_ST_QUIESCING, it will drop the lock and quit with + * -%EINVAL, -%ENOMEDIUM, -%ENOTCONN or -%ESHUTDOWN. + * + * The order of the definitions is important, so we can do numerical + * comparisons (eg: < %WIMAX_ST_RADIO_OFF means the device is not ready + * to operate). + */ +/* + * The allowed state transitions are described in the table below + * (states in rows can go to states in columns where there is an X): + * + * UNINI RADIO READY SCAN CONNEC CONNEC + * NULL DOWN QUIESCING TIALIZED OFF NING TING TED + * NULL - x + * DOWN - x x x + * QUIESCING x - + * UNINITIALIZED x - x + * RADIO_OFF x - x + * READY x x - x x x + * SCANNING x x x - x x + * CONNECTING x x x x - x + * CONNECTED x x x - + * + * This table not available in kernel-doc because the formatting messes it up. + */ + enum wimax_st { + __WIMAX_ST_NULL = 0, + WIMAX_ST_DOWN, + __WIMAX_ST_QUIESCING, + WIMAX_ST_UNINITIALIZED, + WIMAX_ST_RADIO_OFF, + WIMAX_ST_READY, + WIMAX_ST_SCANNING, + WIMAX_ST_CONNECTING, + WIMAX_ST_CONNECTED, + __WIMAX_ST_INVALID /* Always keep last */ +}; + + +#endif /* #ifndef __LINUX__WIMAX_H__ */ diff --git a/include/linux/wimax/Kbuild b/include/linux/wimax/Kbuild new file mode 100644 index 000000000000..3cb4f269bb09 --- /dev/null +++ b/include/linux/wimax/Kbuild @@ -0,0 +1 @@ +header-y += i2400m.h diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h new file mode 100644 index 000000000000..ba0c49399a83 --- /dev/null +++ b/include/linux/wimax/debug.h @@ -0,0 +1,453 @@ +/* + * Linux WiMAX + * Collection of tools to manage debug operations. + * + * + * Copyright (C) 2005-2007 Intel Corporation + * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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. + * + * + * Don't #include this file directly, read on! + * + * + * EXECUTING DEBUGGING ACTIONS OR NOT + * + * The main thing this framework provides is decission power to take a + * debug action (like printing a message) if the current debug level + * allows it. + * + * The decission power is at two levels: at compile-time (what does + * not make it is compiled out) and at run-time. The run-time + * selection is done per-submodule (as they are declared by the user + * of the framework). + * + * A call to d_test(L) (L being the target debug level) returns true + * if the action should be taken because the current debug levels + * allow it (both compile and run time). + * + * It follows that a call to d_test() that can be determined to be + * always false at compile time will get the code depending on it + * compiled out by optimization. + * + * + * DEBUG LEVELS + * + * It is up to the caller to define how much a debugging level is. + * + * Convention sets 0 as "no debug" (so an action marked as debug level 0 + * will always be taken). The increasing debug levels are used for + * increased verbosity. + * + * + * USAGE + * + * Group the code in modules and submodules inside each module [which + * in most cases maps to Linux modules and .c files that compose + * those]. + * + * + * For each module, there is: + * + * - a MODULENAME (single word, legal C identifier) + * + * - a debug-levels.h header file that declares the list of + * submodules and that is included by all .c files that use + * the debugging tools. The file name can be anything. + * + * - some (optional) .c code to manipulate the runtime debug levels + * through debugfs. + * + * The debug-levels.h file would look like: + * + * #ifndef __debug_levels__h__ + * #define __debug_levels__h__ + * + * #define D_MODULENAME modulename + * #define D_MASTER 10 + * + * #include <linux/wimax/debug.h> + * + * enum d_module { + * D_SUBMODULE_DECLARE(submodule_1), + * D_SUBMODULE_DECLARE(submodule_2), + * ... + * D_SUBMODULE_DECLARE(submodule_N) + * }; + * + * #endif + * + * D_MASTER is the maximum compile-time debug level; any debug actions + * above this will be out. D_MODULENAME is the module name (legal C + * identifier), which has to be unique for each module (to avoid + * namespace collisions during linkage). Note those #defines need to + * be done before #including debug.h + * + * We declare N different submodules whose debug level can be + * independently controlled during runtime. + * + * In a .c file of the module (and only in one of them), define the + * following code: + * + * struct d_level D_LEVEL[] = { + * D_SUBMODULE_DEFINE(submodule_1), + * D_SUBMODULE_DEFINE(submodule_2), + * ... + * D_SUBMODULE_DEFINE(submodule_N), + * }; + * size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL); + * + * Externs for d_level_MODULENAME and d_level_size_MODULENAME are used + * and declared in this file using the D_LEVEL and D_LEVEL_SIZE macros + * #defined also in this file. + * + * To manipulate from user space the levels, create a debugfs dentry + * and then register each submodule with: + * + * result = d_level_register_debugfs("PREFIX_", submodule_X, parent); + * if (result < 0) + * goto error; + * + * Where PREFIX_ is a name of your chosing. This will create debugfs + * file with a single numeric value that can be use to tweak it. To + * remove the entires, just use debugfs_remove_recursive() on 'parent'. + * + * NOTE: remember that even if this will show attached to some + * particular instance of a device, the settings are *global*. + * + * + * On each submodule (for example, .c files), the debug infrastructure + * should be included like this: + * + * #define D_SUBMODULE submodule_x // matches one in debug-levels.h + * #include "debug-levels.h" + * + * after #including all your include files. + * + * + * Now you can use the d_*() macros below [d_test(), d_fnstart(), + * d_fnend(), d_printf(), d_dump()]. + * + * If their debug level is greater than D_MASTER, they will be + * compiled out. + * + * If their debug level is lower or equal than D_MASTER but greater + * than the current debug level of their submodule, they'll be + * ignored. + * + * Otherwise, the action will be performed. + */ +#ifndef __debug__h__ +#define __debug__h__ + +#include <linux/types.h> +#include <linux/device.h> + + +/* Backend stuff */ + +/* + * Debug backend: generate a message header from a 'struct device' + * + * @head: buffer where to place the header + * @head_size: length of @head + * @dev: pointer to device used to generate a header from. If NULL, + * an empty ("") header is generated. + */ +static inline +void __d_head(char *head, size_t head_size, + struct device *dev) +{ + if (dev == NULL) + head[0] = 0; + else if ((unsigned long)dev < 4096) { + printk(KERN_ERR "E: Corrupt dev %p\n", dev); + WARN_ON(1); + } else + snprintf(head, head_size, "%s %s: ", + dev_driver_string(dev), dev->bus_id); +} + + +/* + * Debug backend: log some message if debugging is enabled + * + * @l: intended debug level + * @tag: tag to prefix the message with + * @dev: 'struct device' associated to this message + * @f: printf-like format and arguments + * + * Note this is optimized out if it doesn't pass the compile-time + * check; however, it is *always* compiled. This is useful to make + * sure the printf-like formats and variables are always checked and + * they don't get bit rot if you have all the debugging disabled. + */ +#define _d_printf(l, tag, dev, f, a...) \ +do { \ + char head[64]; \ + if (!d_test(l)) \ + break; \ + __d_head(head, sizeof(head), dev); \ + printk(KERN_ERR "%s%s%s: " f, head, __func__, tag, ##a); \ +} while (0) + + +/* + * CPP sintatic sugar to generate A_B like symbol names when one of + * the arguments is a a preprocessor #define. + */ +#define __D_PASTE__(varname, modulename) varname##_##modulename +#define __D_PASTE(varname, modulename) (__D_PASTE__(varname, modulename)) +#define _D_SUBMODULE_INDEX(_name) (D_SUBMODULE_DECLARE(_name)) + + +/* + * Store a submodule's runtime debug level and name + */ +struct d_level { + u8 level; + const char *name; +}; + + +/* + * List of available submodules and their debug levels + * + * We call them d_level_MODULENAME and d_level_size_MODULENAME; the + * macros D_LEVEL and D_LEVEL_SIZE contain the name already for + * convenience. + * + * This array and the size are defined on some .c file that is part of + * the current module. + */ +#define D_LEVEL __D_PASTE(d_level, D_MODULENAME) +#define D_LEVEL_SIZE __D_PASTE(d_level_size, D_MODULENAME) + +extern struct d_level D_LEVEL[]; +extern size_t D_LEVEL_SIZE; + + +/* + * Frontend stuff + * + * + * Stuff you need to declare prior to using the actual "debug" actions + * (defined below). + */ + +#ifndef D_MODULENAME +#error D_MODULENAME is not defined in your debug-levels.h file +/** + * D_MODULE - Name of the current module + * + * #define in your module's debug-levels.h, making sure it is + * unique. This has to be a legal C identifier. + */ +#define D_MODULENAME undefined_modulename +#endif + + +#ifndef D_MASTER +#warning D_MASTER not defined, but debug.h included! [see docs] +/** + * D_MASTER - Compile time maximum debug level + * + * #define in your debug-levels.h file to the maximum debug level the + * runtime code will be allowed to have. This allows you to provide a + * main knob. + * + * Anything above that level will be optimized out of the compile. + * + * Defaults to zero (no debug code compiled in). + * + * Maximum one definition per module (at the debug-levels.h file). + */ +#define D_MASTER 0 +#endif + +#ifndef D_SUBMODULE +#error D_SUBMODULE not defined, but debug.h included! [see docs] +/** + * D_SUBMODULE - Name of the current submodule + * + * #define in your submodule .c file before #including debug-levels.h + * to the name of the current submodule as previously declared and + * defined with D_SUBMODULE_DECLARE() (in your module's + * debug-levels.h) and D_SUBMODULE_DEFINE(). + * + * This is used to provide runtime-control over the debug levels. + * + * Maximum one per .c file! Can be shared among different .c files + * (meaning they belong to the same submodule categorization). + */ +#define D_SUBMODULE undefined_module +#endif + + +/** + * D_SUBMODULE_DECLARE - Declare a submodule for runtime debug level control + * + * @_name: name of the submodule, restricted to the chars that make up a + * valid C identifier ([a-zA-Z0-9_]). + * + * Declare in the module's debug-levels.h header file as: + * + * enum d_module { + * D_SUBMODULE_DECLARE(submodule_1), + * D_SUBMODULE_DECLARE(submodule_2), + * D_SUBMODULE_DECLARE(submodule_3), + * }; + * + * Some corresponding .c file needs to have a matching + * D_SUBMODULE_DEFINE(). + */ +#define D_SUBMODULE_DECLARE(_name) __D_SUBMODULE_##_name + + +/** + * D_SUBMODULE_DEFINE - Define a submodule for runtime debug level control + * + * @_name: name of the submodule, restricted to the chars that make up a + * valid C identifier ([a-zA-Z0-9_]). + * + * Use once per module (in some .c file) as: + * + * static + * struct d_level d_level_SUBMODULENAME[] = { + * D_SUBMODULE_DEFINE(submodule_1), + * D_SUBMODULE_DEFINE(submodule_2), + * D_SUBMODULE_DEFINE(submodule_3), + * }; + * size_t d_level_size_SUBDMODULENAME = ARRAY_SIZE(d_level_SUBDMODULENAME); + * + * Matching D_SUBMODULE_DECLARE()s have to be present in a + * debug-levels.h header file. + */ +#define D_SUBMODULE_DEFINE(_name) \ +[__D_SUBMODULE_##_name] = { \ + .level = 0, \ + .name = #_name \ +} + + + +/* The actual "debug" operations */ + + +/** + * d_test - Returns true if debugging should be enabled + * + * @l: intended debug level (unsigned) + * + * If the master debug switch is enabled and the current settings are + * higher or equal to the requested level, then debugging + * output/actions should be enabled. + * + * NOTE: + * + * This needs to be coded so that it can be evaluated in compile + * time; this is why the ugly BUG_ON() is placed in there, so the + * D_MASTER evaluation compiles all out if it is compile-time false. + */ +#define d_test(l) \ +({ \ + unsigned __l = l; /* type enforcer */ \ + (D_MASTER) >= __l \ + && ({ \ + BUG_ON(_D_SUBMODULE_INDEX(D_SUBMODULE) >= D_LEVEL_SIZE);\ + D_LEVEL[_D_SUBMODULE_INDEX(D_SUBMODULE)].level >= __l; \ + }); \ +}) + + +/** + * d_fnstart - log message at function start if debugging enabled + * + * @l: intended debug level + * @_dev: 'struct device' pointer, NULL if none (for context) + * @f: printf-like format and arguments + */ +#define d_fnstart(l, _dev, f, a...) _d_printf(l, " FNSTART", _dev, f, ## a) + + +/** + * d_fnend - log message at function end if debugging enabled + * + * @l: intended debug level + * @_dev: 'struct device' pointer, NULL if none (for context) + * @f: printf-like format and arguments + */ +#define d_fnend(l, _dev, f, a...) _d_printf(l, " FNEND", _dev, f, ## a) + + +/** + * d_printf - log message if debugging enabled + * + * @l: intended debug level + * @_dev: 'struct device' pointer, NULL if none (for context) + * @f: printf-like format and arguments + */ +#define d_printf(l, _dev, f, a...) _d_printf(l, "", _dev, f, ## a) + + +/** + * d_dump - log buffer hex dump if debugging enabled + * + * @l: intended debug level + * @_dev: 'struct device' pointer, NULL if none (for context) + * @f: printf-like format and arguments + */ +#define d_dump(l, dev, ptr, size) \ +do { \ + char head[64]; \ + if (!d_test(l)) \ + break; \ + __d_head(head, sizeof(head), dev); \ + print_hex_dump(KERN_ERR, head, 0, 16, 1, \ + ((void *) ptr), (size), 0); \ +} while (0) + + +/** + * Export a submodule's debug level over debugfs as PREFIXSUBMODULE + * + * @prefix: string to prefix the name with + * @submodule: name of submodule (not a string, just the name) + * @dentry: debugfs parent dentry + * + * Returns: 0 if ok, < 0 errno on error. + * + * For removing, just use debugfs_remove_recursive() on the parent. + */ +#define d_level_register_debugfs(prefix, name, parent) \ +({ \ + int rc; \ + struct dentry *fd; \ + struct dentry *verify_parent_type = parent; \ + fd = debugfs_create_u8( \ + prefix #name, 0600, verify_parent_type, \ + &(D_LEVEL[__D_SUBMODULE_ ## name].level)); \ + rc = PTR_ERR(fd); \ + if (IS_ERR(fd) && rc != -ENODEV) \ + printk(KERN_ERR "%s: Can't create debugfs entry %s: " \ + "%d\n", __func__, prefix #name, rc); \ + else \ + rc = 0; \ + rc; \ +}) + + +#endif /* #ifndef __debug__h__ */ diff --git a/include/linux/wimax/i2400m.h b/include/linux/wimax/i2400m.h new file mode 100644 index 000000000000..74198f5bb4dc --- /dev/null +++ b/include/linux/wimax/i2400m.h @@ -0,0 +1,512 @@ +/* + * Intel Wireless WiMax Connection 2400m + * Host-Device protocol interface definitions + * + * + * Copyright (C) 2007-2008 Intel Corporation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * + * Intel Corporation <linux-wimax@intel.com> + * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> + * - Initial implementation + * + * + * This header defines the data structures and constants used to + * communicate with the device. + * + * BOOTMODE/BOOTROM/FIRMWARE UPLOAD PROTOCOL + * + * The firmware upload protocol is quite simple and only requires a + * handful of commands. See drivers/net/wimax/i2400m/fw.c for more + * details. + * + * The BCF data structure is for the firmware file header. + * + * + * THE DATA / CONTROL PROTOCOL + * + * This is the normal protocol spoken with the device once the + * firmware is uploaded. It transports data payloads and control + * messages back and forth. + * + * It consists 'messages' that pack one or more payloads each. The + * format is described in detail in drivers/net/wimax/i2400m/rx.c and + * tx.c. + * + * + * THE L3L4 PROTOCOL + * + * The term L3L4 refers to Layer 3 (the device), Layer 4 (the + * driver/host software). + * + * This is the control protocol used by the host to control the i2400m + * device (scan, connect, disconnect...). This is sent to / received + * as control frames. These frames consist of a header and zero or + * more TLVs with information. We call each control frame a "message". + * + * Each message is composed of: + * + * HEADER + * [TLV0 + PAYLOAD0] + * [TLV1 + PAYLOAD1] + * [...] + * [TLVN + PAYLOADN] + * + * The HEADER is defined by 'struct i2400m_l3l4_hdr'. The payloads are + * defined by a TLV structure (Type Length Value) which is a 'header' + * (struct i2400m_tlv_hdr) and then the payload. + * + * All integers are represented as Little Endian. + * + * - REQUESTS AND EVENTS + * + * The requests can be clasified as follows: + * + * COMMAND: implies a request from the host to the device requesting + * an action being performed. The device will reply with a + * message (with the same type as the command), status and + * no (TLV) payload. Execution of a command might cause + * events (of different type) to be sent later on as + * device's state changes. + * + * GET/SET: similar to COMMAND, but will not cause other + * EVENTs. The reply, in the case of GET, will contain + * TLVs with the requested information. + * + * EVENT: asynchronous messages sent from the device, maybe as a + * consequence of previous COMMANDs but disassociated from + * them. + * + * Only one request might be pending at the same time (ie: don't + * parallelize nor post another GET request before the previous + * COMMAND has been acknowledged with it's corresponding reply by the + * device). + * + * The different requests and their formats are described below: + * + * I2400M_MT_* Message types + * I2400M_MS_* Message status (for replies, events) + * i2400m_tlv_* TLVs + * + * data types are named 'struct i2400m_msg_OPNAME', OPNAME matching the + * operation. + */ + +#ifndef __LINUX__WIMAX__I2400M_H__ +#define __LINUX__WIMAX__I2400M_H__ + +#include <linux/types.h> + + +/* + * Host Device Interface (HDI) common to all busses + */ + +/* Boot-mode (firmware upload mode) commands */ + +/* Header for the firmware file */ +struct i2400m_bcf_hdr { + __le32 module_type; + __le32 header_len; + __le32 header_version; + __le32 module_id; + __le32 module_vendor; + __le32 date; /* BCD YYYMMDD */ + __le32 size; + __le32 key_size; /* in dwords */ + __le32 modulus_size; /* in dwords */ + __le32 exponent_size; /* in dwords */ + __u8 reserved[88]; +} __attribute__ ((packed)); + +/* Boot mode opcodes */ +enum i2400m_brh_opcode { + I2400M_BRH_READ = 1, + I2400M_BRH_WRITE = 2, + I2400M_BRH_JUMP = 3, + I2400M_BRH_SIGNED_JUMP = 8, + I2400M_BRH_HASH_PAYLOAD_ONLY = 9, +}; + +/* Boot mode command masks and stuff */ +enum i2400m_brh { + I2400M_BRH_SIGNATURE = 0xcbbc0000, + I2400M_BRH_SIGNATURE_MASK = 0xffff0000, + I2400M_BRH_SIGNATURE_SHIFT = 16, + I2400M_BRH_OPCODE_MASK = 0x0000000f, + I2400M_BRH_RESPONSE_MASK = 0x000000f0, + I2400M_BRH_RESPONSE_SHIFT = 4, + I2400M_BRH_DIRECT_ACCESS = 0x00000400, + I2400M_BRH_RESPONSE_REQUIRED = 0x00000200, + I2400M_BRH_USE_CHECKSUM = 0x00000100, +}; + + +/* Constants for bcf->module_id */ +enum i2400m_bcf_mod_id { + /* Firmware file carries its own pokes -- pokes are a set of + * magical values that have to be written in certain memory + * addresses to get the device up and ready for firmware + * download when it is in non-signed boot mode. */ + I2400M_BCF_MOD_ID_POKES = 0x000000001, +}; + + +/** + * i2400m_bootrom_header - Header for a boot-mode command + * + * @cmd: the above command descriptor + * @target_addr: where on the device memory should the action be performed. + * @data_size: for read/write, amount of data to be read/written + * @block_checksum: checksum value (if applicable) + * @payload: the beginning of data attached to this header + */ +struct i2400m_bootrom_header { + __le32 command; /* Compose with enum i2400_brh */ + __le32 target_addr; + __le32 data_size; + __le32 block_checksum; + char payload[0]; +} __attribute__ ((packed)); + + +/* + * Data / control protocol + */ + +/* Packet types for the host-device interface */ +enum i2400m_pt { + I2400M_PT_DATA = 0, + I2400M_PT_CTRL, + I2400M_PT_TRACE, /* For device debug */ + I2400M_PT_RESET_WARM, /* device reset */ + I2400M_PT_RESET_COLD, /* USB[transport] reset, like reconnect */ + I2400M_PT_ILLEGAL +}; + + +/* + * Payload for a data packet + * + * This is prefixed to each and every outgoing DATA type. + */ +struct i2400m_pl_data_hdr { + __le32 reserved; +} __attribute__((packed)); + + +/* Misc constants */ +enum { + I2400M_PL_PAD = 16, /* Payload data size alignment */ + I2400M_PL_SIZE_MAX = 0x3EFF, + I2400M_MAX_PLS_IN_MSG = 60, + /* protocol barkers: sync sequences; for notifications they + * are sent in groups of four. */ + I2400M_H2D_PREVIEW_BARKER = 0xcafe900d, + I2400M_COLD_RESET_BARKER = 0xc01dc01d, + I2400M_WARM_RESET_BARKER = 0x50f750f7, + I2400M_NBOOT_BARKER = 0xdeadbeef, + I2400M_SBOOT_BARKER = 0x0ff1c1a1, + I2400M_ACK_BARKER = 0xfeedbabe, + I2400M_D2H_MSG_BARKER = 0xbeefbabe, +}; + + +/* + * Hardware payload descriptor + * + * Bitfields encoded in a struct to enforce typing semantics. + * + * Look in rx.c and tx.c for a full description of the format. + */ +struct i2400m_pld { + __le32 val; +} __attribute__ ((packed)); + +#define I2400M_PLD_SIZE_MASK 0x00003fff +#define I2400M_PLD_TYPE_SHIFT 16 +#define I2400M_PLD_TYPE_MASK 0x000f0000 + +/* + * Header for a TX message or RX message + * + * @barker: preamble + * @size: used for management of the FIFO queue buffer; before + * sending, this is converted to be a real preamble. This + * indicates the real size of the TX message that starts at this + * point. If the highest bit is set, then this message is to be + * skipped. + * @sequence: sequence number of this message + * @offset: offset where the message itself starts -- see the comments + * in the file header about message header and payload descriptor + * alignment. + * @num_pls: number of payloads in this message + * @padding: amount of padding bytes at the end of the message to make + * it be of block-size aligned + * + * Look in rx.c and tx.c for a full description of the format. + */ +struct i2400m_msg_hdr { + union { + __le32 barker; + __u32 size; /* same size type as barker!! */ + }; + union { + __le32 sequence; + __u32 offset; /* same size type as barker!! */ + }; + __le16 num_pls; + __le16 rsv1; + __le16 padding; + __le16 rsv2; + struct i2400m_pld pld[0]; +} __attribute__ ((packed)); + + + +/* + * L3/L4 control protocol + */ + +enum { + /* Interface version */ + I2400M_L3L4_VERSION = 0x0100, +}; + +/* Message types */ +enum i2400m_mt { + I2400M_MT_RESERVED = 0x0000, + I2400M_MT_INVALID = 0xffff, + I2400M_MT_REPORT_MASK = 0x8000, + + I2400M_MT_GET_SCAN_RESULT = 0x4202, + I2400M_MT_SET_SCAN_PARAM = 0x4402, + I2400M_MT_CMD_RF_CONTROL = 0x4602, + I2400M_MT_CMD_SCAN = 0x4603, + I2400M_MT_CMD_CONNECT = 0x4604, + I2400M_MT_CMD_DISCONNECT = 0x4605, + I2400M_MT_CMD_EXIT_IDLE = 0x4606, + I2400M_MT_GET_LM_VERSION = 0x5201, + I2400M_MT_GET_DEVICE_INFO = 0x5202, + I2400M_MT_GET_LINK_STATUS = 0x5203, + I2400M_MT_GET_STATISTICS = 0x5204, + I2400M_MT_GET_STATE = 0x5205, + I2400M_MT_GET_MEDIA_STATUS = 0x5206, + I2400M_MT_SET_INIT_CONFIG = 0x5404, + I2400M_MT_CMD_INIT = 0x5601, + I2400M_MT_CMD_TERMINATE = 0x5602, + I2400M_MT_CMD_MODE_OF_OP = 0x5603, + I2400M_MT_CMD_RESET_DEVICE = 0x5604, + I2400M_MT_CMD_MONITOR_CONTROL = 0x5605, + I2400M_MT_CMD_ENTER_POWERSAVE = 0x5606, + I2400M_MT_GET_TLS_OPERATION_RESULT = 0x6201, + I2400M_MT_SET_EAP_SUCCESS = 0x6402, + I2400M_MT_SET_EAP_FAIL = 0x6403, + I2400M_MT_SET_EAP_KEY = 0x6404, + I2400M_MT_CMD_SEND_EAP_RESPONSE = 0x6602, + I2400M_MT_REPORT_SCAN_RESULT = 0xc002, + I2400M_MT_REPORT_STATE = 0xd002, + I2400M_MT_REPORT_POWERSAVE_READY = 0xd005, + I2400M_MT_REPORT_EAP_REQUEST = 0xe002, + I2400M_MT_REPORT_EAP_RESTART = 0xe003, + I2400M_MT_REPORT_ALT_ACCEPT = 0xe004, + I2400M_MT_REPORT_KEY_REQUEST = 0xe005, +}; + + +/* + * Message Ack Status codes + * + * When a message is replied-to, this status is reported. + */ +enum i2400m_ms { + I2400M_MS_DONE_OK = 0, + I2400M_MS_DONE_IN_PROGRESS = 1, + I2400M_MS_INVALID_OP = 2, + I2400M_MS_BAD_STATE = 3, + I2400M_MS_ILLEGAL_VALUE = 4, + I2400M_MS_MISSING_PARAMS = 5, + I2400M_MS_VERSION_ERROR = 6, + I2400M_MS_ACCESSIBILITY_ERROR = 7, + I2400M_MS_BUSY = 8, + I2400M_MS_CORRUPTED_TLV = 9, + I2400M_MS_UNINITIALIZED = 10, + I2400M_MS_UNKNOWN_ERROR = 11, + I2400M_MS_PRODUCTION_ERROR = 12, + I2400M_MS_NO_RF = 13, + I2400M_MS_NOT_READY_FOR_POWERSAVE = 14, + I2400M_MS_THERMAL_CRITICAL = 15, + I2400M_MS_MAX +}; + + +/** + * i2400m_tlv - enumeration of the different types of TLVs + * + * TLVs stand for type-length-value and are the header for a payload + * composed of almost anything. Each payload has a type assigned + * and a length. + */ +enum i2400m_tlv { + I2400M_TLV_L4_MESSAGE_VERSIONS = 129, + I2400M_TLV_SYSTEM_STATE = 141, + I2400M_TLV_MEDIA_STATUS = 161, + I2400M_TLV_RF_OPERATION = 162, + I2400M_TLV_RF_STATUS = 163, + I2400M_TLV_DEVICE_RESET_TYPE = 132, + I2400M_TLV_CONFIG_IDLE_PARAMETERS = 601, +}; + + +struct i2400m_tlv_hdr { + __le16 type; + __le16 length; /* payload's */ + __u8 pl[0]; +} __attribute__((packed)); + + +struct i2400m_l3l4_hdr { + __le16 type; + __le16 length; /* payload's */ + __le16 version; + __le16 resv1; + __le16 status; + __le16 resv2; + struct i2400m_tlv_hdr pl[0]; +} __attribute__((packed)); + + +/** + * i2400m_system_state - different states of the device + */ +enum i2400m_system_state { + I2400M_SS_UNINITIALIZED = 1, + I2400M_SS_INIT, + I2400M_SS_READY, + I2400M_SS_SCAN, + I2400M_SS_STANDBY, + I2400M_SS_CONNECTING, + I2400M_SS_WIMAX_CONNECTED, + I2400M_SS_DATA_PATH_CONNECTED, + I2400M_SS_IDLE, + I2400M_SS_DISCONNECTING, + I2400M_SS_OUT_OF_ZONE, + I2400M_SS_SLEEPACTIVE, + I2400M_SS_PRODUCTION, + I2400M_SS_CONFIG, + I2400M_SS_RF_OFF, + I2400M_SS_RF_SHUTDOWN, + I2400M_SS_DEVICE_DISCONNECT, + I2400M_SS_MAX, +}; + + +/** + * i2400m_tlv_system_state - report on the state of the system + * + * @state: see enum i2400m_system_state + */ +struct i2400m_tlv_system_state { + struct i2400m_tlv_hdr hdr; + __le32 state; +} __attribute__((packed)); + + +struct i2400m_tlv_l4_message_versions { + struct i2400m_tlv_hdr hdr; + __le16 major; + __le16 minor; + __le16 branch; + __le16 reserved; +} __attribute__((packed)); + + +struct i2400m_tlv_detailed_device_info { + struct i2400m_tlv_hdr hdr; + __u8 reserved1[400]; + __u8 mac_address[6]; + __u8 reserved2[2]; +} __attribute__((packed)); + + +enum i2400m_rf_switch_status { + I2400M_RF_SWITCH_ON = 1, + I2400M_RF_SWITCH_OFF = 2, +}; + +struct i2400m_tlv_rf_switches_status { + struct i2400m_tlv_hdr hdr; + __u8 sw_rf_switch; /* 1 ON, 2 OFF */ + __u8 hw_rf_switch; /* 1 ON, 2 OFF */ + __u8 reserved[2]; +} __attribute__((packed)); + + +enum { + i2400m_rf_operation_on = 1, + i2400m_rf_operation_off = 2 +}; + +struct i2400m_tlv_rf_operation { + struct i2400m_tlv_hdr hdr; + __le32 status; /* 1 ON, 2 OFF */ +} __attribute__((packed)); + + +enum i2400m_tlv_reset_type { + I2400M_RESET_TYPE_COLD = 1, + I2400M_RESET_TYPE_WARM +}; + +struct i2400m_tlv_device_reset_type { + struct i2400m_tlv_hdr hdr; + __le32 reset_type; +} __attribute__((packed)); + + +struct i2400m_tlv_config_idle_parameters { + struct i2400m_tlv_hdr hdr; + __le32 idle_timeout; /* 100 to 300000 ms [5min], 100 increments + * 0 disabled */ + __le32 idle_paging_interval; /* frames */ +} __attribute__((packed)); + + +enum i2400m_media_status { + I2400M_MEDIA_STATUS_LINK_UP = 1, + I2400M_MEDIA_STATUS_LINK_DOWN, + I2400M_MEDIA_STATUS_LINK_RENEW, +}; + +struct i2400m_tlv_media_status { + struct i2400m_tlv_hdr hdr; + __le32 media_status; +} __attribute__((packed)); + +#endif /* #ifndef __LINUX__WIMAX__I2400M_H__ */ |