Commit d7fdb0ae authored by Gustavo Padovan's avatar Gustavo Padovan Committed by Greg Kroah-Hartman

staging/android: rename sync_fence to sync_file

sync_file has a more close meaning to what a sync_fence really, a struct
that represent a file that can be used by userspace to get information on
a fence, or wait for it to be signaled.
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a44eb74c
This diff is collapsed.
......@@ -25,7 +25,7 @@
struct sync_timeline;
struct sync_pt;
struct sync_fence;
struct sync_file;
/**
* struct sync_timeline_ops - sync object implementation ops
......@@ -108,36 +108,36 @@ static inline struct sync_timeline *sync_pt_parent(struct sync_pt *pt)
child_list_lock);
}
struct sync_fence_cb {
struct sync_file_cb {
struct fence_cb cb;
struct fence *sync_pt;
struct sync_fence *fence;
struct sync_file *sync_file;
};
/**
* struct sync_fence - sync fence
* struct sync_file - sync file to export to the userspace
* @file: file representing this fence
* @kref: reference count on fence.
* @name: name of sync_fence. Useful for debugging
* @sync_fence_list: membership in global fence list
* @name: name of sync_file. Useful for debugging
* @sync_file_list: membership in global file list
* @num_fences number of sync_pts in the fence
* @wq: wait queue for fence signaling
* @status: 0: signaled, >0:active, <0: error
* @cbs: sync_pts callback information
*/
struct sync_fence {
struct sync_file {
struct file *file;
struct kref kref;
char name[32];
#ifdef CONFIG_DEBUG_FS
struct list_head sync_fence_list;
struct list_head sync_file_list;
#endif
int num_fences;
wait_queue_head_t wq;
atomic_t status;
struct sync_fence_cb cbs[];
struct sync_file_cb cbs[];
};
/*
......@@ -199,95 +199,95 @@ struct sync_pt *sync_pt_create(struct sync_timeline *parent, int size);
void sync_pt_free(struct sync_pt *pt);
/**
* sync_fence_create() - creates a sync fence
* @name: name of fence to create
* @pt: sync_pt to add to the fence
* sync_file_create() - creates a sync file
* @name: name of file to create
* @pt: sync_pt to add to the file
*
* Creates a fence containg @pt. Once this is called, the fence takes
* Creates a sync_file containg @pt. Once this is called, the sync_file takes
* ownership of @pt.
*/
struct sync_fence *sync_fence_create(const char *name, struct sync_pt *pt);
struct sync_file *sync_file_create(const char *name, struct sync_pt *pt);
/**
* sync_fence_create_dma() - creates a sync fence from dma-fence
* @name: name of fence to create
* @pt: dma-fence to add to the fence
* sync_file_create_dma() - creates a sync file from dma-fence
* @name: name of file to create
* @pt: dma-fence to add to the file
*
* Creates a fence containg @pt. Once this is called, the fence takes
* Creates a sync_file containg @pt. Once this is called, the fence takes
* ownership of @pt.
*/
struct sync_fence *sync_fence_create_dma(const char *name, struct fence *pt);
struct sync_file *sync_file_create_dma(const char *name, struct fence *pt);
/*
* API for sync_fence consumers
* API for sync_file consumers
*/
/**
* sync_fence_merge() - merge two fences
* sync_file_merge() - merge two sync_files
* @name: name of new fence
* @a: fence a
* @b: fence b
* @a: sync_file a
* @b: sync_file b
*
* Creates a new fence which contains copies of all the sync_pts in both
* @a and @b. @a and @b remain valid, independent fences. Returns the
* new merged fence or NULL in case of error.
* Creates a new sync_file which contains copies of all the sync_pts in both
* @a and @b. @a and @b remain valid, independent sync_file. Returns the
* new merged sync_file or NULL in case of error.
*/
struct sync_fence *sync_fence_merge(const char *name,
struct sync_fence *a, struct sync_fence *b);
struct sync_file *sync_file_merge(const char *name,
struct sync_file *a, struct sync_file *b);
/**
* sync_fence_fdget() - get a fence from an fd
* sync_file_fdget() - get a sync_file from an fd
* @fd: fd referencing a fence
*
* Ensures @fd references a valid fence, increments the refcount of the backing
* file, and returns the fence. Returns the fence or NULL in case of error.
* Ensures @fd references a valid sync_file, increments the refcount of the
* backing file. Returns the sync_file or NULL in case of error.
*/
struct sync_fence *sync_fence_fdget(int fd);
struct sync_file *sync_file_fdget(int fd);
/**
* sync_fence_put() - puts a reference of a sync fence
* @fence: fence to put
* sync_file_put() - puts a reference of a sync_file
* @sync_file: sync_file to put
*
* Puts a reference on @fence. If this is the last reference, the fence and
* all it's sync_pts will be freed
* Puts a reference on @sync_fence. If this is the last reference, the
* sync_fil and all it's sync_pts will be freed
*/
void sync_fence_put(struct sync_fence *fence);
void sync_file_put(struct sync_file *sync_file);
/**
* sync_fence_install() - installs a fence into a file descriptor
* @fence: fence to install
* sync_file_install() - installs a sync_file into a file descriptor
* @sync_file: sync_file to install
* @fd: file descriptor in which to install the fence
*
* Installs @fence into @fd. @fd's should be acquired through
* Installs @sync_file into @fd. @fd's should be acquired through
* get_unused_fd_flags(O_CLOEXEC).
*/
void sync_fence_install(struct sync_fence *fence, int fd);
void sync_file_install(struct sync_file *sync_file, int fd);
/**
* sync_fence_wait() - wait on fence
* @fence: fence to wait on
* sync_file_wait() - wait on sync file
* @sync_file: file to wait on
* @tiemout: timeout in ms
*
* Wait for @fence to be signaled or have an error. Waits indefinitely
* Wait for @sync_file to be signaled or have an error. Waits indefinitely
* if @timeout < 0.
*
* Returns 0 if fence signaled, > 0 if it is still active and <0 on error
*/
int sync_fence_wait(struct sync_fence *fence, long timeout);
int sync_file_wait(struct sync_file *sync_file, long timeout);
#ifdef CONFIG_DEBUG_FS
void sync_timeline_debug_add(struct sync_timeline *obj);
void sync_timeline_debug_remove(struct sync_timeline *obj);
void sync_fence_debug_add(struct sync_fence *fence);
void sync_fence_debug_remove(struct sync_fence *fence);
void sync_file_debug_add(struct sync_file *fence);
void sync_file_debug_remove(struct sync_file *fence);
void sync_dump(void);
#else
# define sync_timeline_debug_add(obj)
# define sync_timeline_debug_remove(obj)
# define sync_fence_debug_add(fence)
# define sync_fence_debug_remove(fence)
# define sync_file_debug_add(fence)
# define sync_file_debug_remove(fence)
# define sync_dump()
#endif
......
......@@ -35,8 +35,8 @@ static struct dentry *dbgfs;
static LIST_HEAD(sync_timeline_list_head);
static DEFINE_SPINLOCK(sync_timeline_list_lock);
static LIST_HEAD(sync_fence_list_head);
static DEFINE_SPINLOCK(sync_fence_list_lock);
static LIST_HEAD(sync_file_list_head);
static DEFINE_SPINLOCK(sync_file_list_lock);
void sync_timeline_debug_add(struct sync_timeline *obj)
{
......@@ -56,22 +56,22 @@ void sync_timeline_debug_remove(struct sync_timeline *obj)
spin_unlock_irqrestore(&sync_timeline_list_lock, flags);
}
void sync_fence_debug_add(struct sync_fence *fence)
void sync_file_debug_add(struct sync_file *sync_file)
{
unsigned long flags;
spin_lock_irqsave(&sync_fence_list_lock, flags);
list_add_tail(&fence->sync_fence_list, &sync_fence_list_head);
spin_unlock_irqrestore(&sync_fence_list_lock, flags);
spin_lock_irqsave(&sync_file_list_lock, flags);
list_add_tail(&sync_file->sync_file_list, &sync_file_list_head);
spin_unlock_irqrestore(&sync_file_list_lock, flags);
}
void sync_fence_debug_remove(struct sync_fence *fence)
void sync_file_debug_remove(struct sync_file *sync_file)
{
unsigned long flags;
spin_lock_irqsave(&sync_fence_list_lock, flags);
list_del(&fence->sync_fence_list);
spin_unlock_irqrestore(&sync_fence_list_lock, flags);
spin_lock_irqsave(&sync_file_list_lock, flags);
list_del(&sync_file->sync_file_list);
spin_unlock_irqrestore(&sync_file_list_lock, flags);
}
static const char *sync_status_str(int status)
......@@ -152,16 +152,17 @@ static void sync_print_obj(struct seq_file *s, struct sync_timeline *obj)
spin_unlock_irqrestore(&obj->child_list_lock, flags);
}
static void sync_print_fence(struct seq_file *s, struct sync_fence *fence)
{
static void sync_print_sync_file(struct seq_file *s,
struct sync_file *sync_file)
{
int i;
seq_printf(s, "[%p] %s: %s\n", fence, fence->name,
sync_status_str(atomic_read(&fence->status)));
seq_printf(s, "[%p] %s: %s\n", sync_file, sync_file->name,
sync_status_str(atomic_read(&sync_file->status)));
for (i = 0; i < fence->num_fences; ++i)
sync_print_pt(s, fence->cbs[i].sync_pt, true);
}
for (i = 0; i < sync_file->num_fences; ++i)
sync_print_pt(s, sync_file->cbs[i].sync_pt, true);
}
static int sync_debugfs_show(struct seq_file *s, void *unused)
{
......@@ -183,15 +184,15 @@ static int sync_debugfs_show(struct seq_file *s, void *unused)
seq_puts(s, "fences:\n--------------\n");
spin_lock_irqsave(&sync_fence_list_lock, flags);
list_for_each(pos, &sync_fence_list_head) {
struct sync_fence *fence =
container_of(pos, struct sync_fence, sync_fence_list);
spin_lock_irqsave(&sync_file_list_lock, flags);
list_for_each(pos, &sync_file_list_head) {
struct sync_file *sync_file =
container_of(pos, struct sync_file, sync_file_list);
sync_print_fence(s, fence);
sync_print_sync_file(s, sync_file);
seq_puts(s, "\n");
}
spin_unlock_irqrestore(&sync_fence_list_lock, flags);
spin_unlock_irqrestore(&sync_file_list_lock, flags);
return 0;
}
......@@ -244,7 +245,7 @@ static long sw_sync_ioctl_create_fence(struct sw_sync_timeline *obj,
int fd = get_unused_fd_flags(O_CLOEXEC);
int err;
struct sync_pt *pt;
struct sync_fence *fence;
struct sync_file *sync_file;
struct sw_sync_create_fence_data data;
if (fd < 0)
......@@ -262,8 +263,8 @@ static long sw_sync_ioctl_create_fence(struct sw_sync_timeline *obj,
}
data.name[sizeof(data.name) - 1] = '\0';
fence = sync_fence_create(data.name, pt);
if (!fence) {
sync_file = sync_file_create(data.name, pt);
if (!sync_file) {
sync_pt_free(pt);
err = -ENOMEM;
goto err;
......@@ -271,12 +272,12 @@ static long sw_sync_ioctl_create_fence(struct sw_sync_timeline *obj,
data.fence = fd;
if (copy_to_user((void __user *)arg, &data, sizeof(data))) {
sync_fence_put(fence);
sync_file_put(sync_file);
err = -EFAULT;
goto err;
}
sync_fence_install(fence, fd);
sync_file_install(sync_file, fd);
return 0;
......
......@@ -33,19 +33,19 @@ TRACE_EVENT(sync_timeline,
);
TRACE_EVENT(sync_wait,
TP_PROTO(struct sync_fence *fence, int begin),
TP_PROTO(struct sync_file *sync_file, int begin),
TP_ARGS(fence, begin),
TP_ARGS(sync_file, begin),
TP_STRUCT__entry(
__string(name, fence->name)
__string(name, sync_file->name)
__field(s32, status)
__field(u32, begin)
),
TP_fast_assign(
__assign_str(name, fence->name);
__entry->status = atomic_read(&fence->status);
__assign_str(name, sync_file->name);
__entry->status = atomic_read(&sync_file->status);
__entry->begin = begin;
),
......
......@@ -46,15 +46,15 @@ struct sync_pt_info {
};
/**
* struct sync_fence_info_data - data returned from fence info ioctl
* struct sync_file_info_data - data returned from fence info ioctl
* @len: ioctl caller writes the size of the buffer its passing in.
* ioctl returns length of sync_fence_data returned to userspace
* including pt_info.
* ioctl returns length of sync_file_info_data returned to
* userspace including pt_info.
* @name: name of fence
* @status: status of fence. 1: signaled 0:active <0:error
* @pt_info: a sync_pt_info struct for every sync_pt in the fence
*/
struct sync_fence_info_data {
struct sync_file_info_data {
__u32 len;
char name[32];
__s32 status;
......@@ -83,15 +83,15 @@ struct sync_fence_info_data {
/**
* DOC: SYNC_IOC_FENCE_INFO - get detailed information on a fence
*
* Takes a struct sync_fence_info_data with extra space allocated for pt_info.
* Takes a struct sync_file_info_data with extra space allocated for pt_info.
* Caller should write the size of the buffer into len. On return, len is
* updated to reflect the total size of the sync_fence_info_data including
* updated to reflect the total size of the sync_file_info_data including
* pt_info.
*
* pt_info is a buffer containing sync_pt_infos for every sync_pt in the fence.
* To iterate over the sync_pt_infos, use the sync_pt_info.len field.
*/
#define SYNC_IOC_FENCE_INFO _IOWR(SYNC_IOC_MAGIC, 2,\
struct sync_fence_info_data)
struct sync_file_info_data)
#endif /* _UAPI_LINUX_SYNC_H */
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