From: Gustavo Padovan gustavo.padovan@collabora.co.uk
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: Gustavo Padovan gustavo.padovan@collabora.co.uk --- drivers/staging/android/sync.c | 254 ++++++++++++++++++----------------- drivers/staging/android/sync.h | 98 +++++++------- drivers/staging/android/sync_debug.c | 53 ++++---- drivers/staging/android/trace/sync.h | 10 +- drivers/staging/android/uapi/sync.h | 14 +- 5 files changed, 218 insertions(+), 211 deletions(-)
diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c index f4d9bcd..8cccdf9 100644 --- a/drivers/staging/android/sync.c +++ b/drivers/staging/android/sync.c @@ -32,7 +32,7 @@ #include "trace/sync.h"
static const struct fence_ops android_fence_ops; -static const struct file_operations sync_fence_fops; +static const struct file_operations sync_file_fops;
struct sync_timeline *sync_timeline_create(const struct sync_timeline_ops *ops, int size, const char *name) @@ -147,80 +147,81 @@ void sync_pt_free(struct sync_pt *pt) } EXPORT_SYMBOL(sync_pt_free);
-static struct sync_fence *sync_fence_alloc(int size, const char *name) +static struct sync_file *sync_file_alloc(int size, const char *name) { - struct sync_fence *fence; + struct sync_file *sync_file;
- fence = kzalloc(size, GFP_KERNEL); - if (!fence) + sync_file = kzalloc(size, GFP_KERNEL); + if (!sync_file) return NULL;
- fence->file = anon_inode_getfile("sync_fence", &sync_fence_fops, - fence, 0); - if (IS_ERR(fence->file)) + sync_file->file = anon_inode_getfile("sync_file", &sync_file_fops, + sync_file, 0); + if (IS_ERR(sync_file->file)) goto err;
- kref_init(&fence->kref); - strlcpy(fence->name, name, sizeof(fence->name)); + kref_init(&sync_file->kref); + strlcpy(sync_file->name, name, sizeof(sync_file->name));
- init_waitqueue_head(&fence->wq); + init_waitqueue_head(&sync_file->wq);
- return fence; + return sync_file;
err: - kfree(fence); + kfree(sync_file); return NULL; }
static void fence_check_cb_func(struct fence *f, struct fence_cb *cb) { - struct sync_fence_cb *check; - struct sync_fence *fence; + struct sync_file_cb *check; + struct sync_file *sync_file;
- check = container_of(cb, struct sync_fence_cb, cb); - fence = check->fence; + check = container_of(cb, struct sync_file_cb, cb); + sync_file = check->sync_file;
- if (atomic_dec_and_test(&fence->status)) - wake_up_all(&fence->wq); + if (atomic_dec_and_test(&sync_file->status)) + wake_up_all(&sync_file->wq); }
/* TODO: implement a create which takes more that one sync_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) { - struct sync_fence *fence; + struct sync_file *sync_file;
- fence = sync_fence_alloc(offsetof(struct sync_fence, cbs[1]), name); - if (!fence) + sync_file = sync_file_alloc(offsetof(struct sync_file, cbs[1]), + name); + if (!sync_file) return NULL;
- fence->num_fences = 1; - atomic_set(&fence->status, 1); + sync_file->num_fences = 1; + atomic_set(&sync_file->status, 1);
- fence->cbs[0].sync_pt = pt; - fence->cbs[0].fence = fence; - if (fence_add_callback(pt, &fence->cbs[0].cb, fence_check_cb_func)) - atomic_dec(&fence->status); + sync_file->cbs[0].sync_pt = pt; + sync_file->cbs[0].sync_file = sync_file; + if (fence_add_callback(pt, &sync_file->cbs[0].cb, fence_check_cb_func)) + atomic_dec(&sync_file->status);
- sync_fence_debug_add(fence); + sync_file_debug_add(sync_file);
- return fence; + return sync_file; } -EXPORT_SYMBOL(sync_fence_create_dma); +EXPORT_SYMBOL(sync_file_create_dma);
-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) { - return sync_fence_create_dma(name, &pt->base); + return sync_file_create_dma(name, &pt->base); } -EXPORT_SYMBOL(sync_fence_create); +EXPORT_SYMBOL(sync_file_create);
-struct sync_fence *sync_fence_fdget(int fd) +struct sync_file *sync_file_fdget(int fd) { struct file *file = fget(fd);
if (!file) return NULL;
- if (file->f_op != &sync_fence_fops) + if (file->f_op != &sync_file_fops) goto err;
return file->private_data; @@ -229,70 +230,71 @@ err: fput(file); return NULL; } -EXPORT_SYMBOL(sync_fence_fdget); +EXPORT_SYMBOL(sync_file_fdget);
-void sync_fence_put(struct sync_fence *fence) +void sync_file_put(struct sync_file *sync_file) { - fput(fence->file); + fput(sync_file->file); } -EXPORT_SYMBOL(sync_fence_put); +EXPORT_SYMBOL(sync_file_put);
-void sync_fence_install(struct sync_fence *fence, int fd) +void sync_file_install(struct sync_file *sync_file, int fd) { - fd_install(fd, fence->file); + fd_install(fd, sync_file->file); } -EXPORT_SYMBOL(sync_fence_install); +EXPORT_SYMBOL(sync_file_install);
-static void sync_fence_add_pt(struct sync_fence *fence, - int *i, struct fence *pt) +static void sync_file_add_pt(struct sync_file *sync_file, int *i, + struct fence *pt) { - fence->cbs[*i].sync_pt = pt; - fence->cbs[*i].fence = fence; + sync_file->cbs[*i].sync_pt = pt; + sync_file->cbs[*i].sync_file = sync_file;
- if (!fence_add_callback(pt, &fence->cbs[*i].cb, fence_check_cb_func)) { + if (!fence_add_callback(pt, &sync_file->cbs[*i].cb, + fence_check_cb_func)) { fence_get(pt); (*i)++; } }
-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) { int num_fences = a->num_fences + b->num_fences; - struct sync_fence *fence; + struct sync_file *sync_file; int i, i_a, i_b; - unsigned long size = offsetof(struct sync_fence, cbs[num_fences]); + unsigned long size = offsetof(struct sync_file, cbs[num_fences]);
- fence = sync_fence_alloc(size, name); - if (!fence) + sync_file = sync_file_alloc(size, name); + if (!sync_file) return NULL;
- atomic_set(&fence->status, num_fences); + atomic_set(&sync_file->status, num_fences);
/* - * Assume sync_fence a and b are both ordered and have no + * Assume sync_file a and b are both ordered and have no * duplicates with the same context. * - * If a sync_fence can only be created with sync_fence_merge - * and sync_fence_create, this is a reasonable assumption. + * If a sync_file can only be created with sync_file_merge + * and sync_file_create, this is a reasonable assumption. */ for (i = i_a = i_b = 0; i_a < a->num_fences && i_b < b->num_fences; ) { struct fence *pt_a = a->cbs[i_a].sync_pt; struct fence *pt_b = b->cbs[i_b].sync_pt;
if (pt_a->context < pt_b->context) { - sync_fence_add_pt(fence, &i, pt_a); + sync_file_add_pt(sync_file, &i, pt_a);
i_a++; } else if (pt_a->context > pt_b->context) { - sync_fence_add_pt(fence, &i, pt_b); + sync_file_add_pt(sync_file, &i, pt_b);
i_b++; } else { if (pt_a->seqno - pt_b->seqno <= INT_MAX) - sync_fence_add_pt(fence, &i, pt_a); + sync_file_add_pt(sync_file, &i, pt_a); else - sync_fence_add_pt(fence, &i, pt_b); + sync_file_add_pt(sync_file, &i, pt_b);
i_a++; i_b++; @@ -300,21 +302,21 @@ struct sync_fence *sync_fence_merge(const char *name, }
for (; i_a < a->num_fences; i_a++) - sync_fence_add_pt(fence, &i, a->cbs[i_a].sync_pt); + sync_file_add_pt(sync_file, &i, a->cbs[i_a].sync_pt);
for (; i_b < b->num_fences; i_b++) - sync_fence_add_pt(fence, &i, b->cbs[i_b].sync_pt); + sync_file_add_pt(sync_file, &i, b->cbs[i_b].sync_pt);
if (num_fences > i) - atomic_sub(num_fences - i, &fence->status); - fence->num_fences = i; + atomic_sub(num_fences - i, &sync_file->status); + sync_file->num_fences = i;
- sync_fence_debug_add(fence); - return fence; + sync_file_debug_add(sync_file); + return sync_file; } -EXPORT_SYMBOL(sync_fence_merge); +EXPORT_SYMBOL(sync_file_merge);
-int sync_fence_wait(struct sync_fence *fence, long timeout) +int sync_file_wait(struct sync_file *sync_file, long timeout) { long ret; int i; @@ -324,33 +326,33 @@ int sync_fence_wait(struct sync_fence *fence, long timeout) else timeout = msecs_to_jiffies(timeout);
- trace_sync_wait(fence, 1); - for (i = 0; i < fence->num_fences; ++i) - trace_sync_pt(fence->cbs[i].sync_pt); - ret = wait_event_interruptible_timeout(fence->wq, - atomic_read(&fence->status) <= 0, + trace_sync_wait(sync_file, 1); + for (i = 0; i < sync_file->num_fences; ++i) + trace_sync_pt(sync_file->cbs[i].sync_pt); + ret = wait_event_interruptible_timeout(sync_file->wq, + atomic_read(&sync_file->status) <= 0, timeout); - trace_sync_wait(fence, 0); + trace_sync_wait(sync_file, 0);
if (ret < 0) { return ret; } else if (ret == 0) { if (timeout) { - pr_info("fence timeout on [%p] after %dms\n", fence, - jiffies_to_msecs(timeout)); + pr_info("sync_file timeout on [%p] after %dms\n", + sync_file, jiffies_to_msecs(timeout)); sync_dump(); } return -ETIME; }
- ret = atomic_read(&fence->status); + ret = atomic_read(&sync_file->status); if (ret) { - pr_info("fence error %ld on [%p]\n", ret, fence); + pr_info("sync_file error %ld on [%p]\n", ret, sync_file); sync_dump(); } return ret; } -EXPORT_SYMBOL(sync_fence_wait); +EXPORT_SYMBOL(sync_file_wait);
static const char *android_fence_get_driver_name(struct fence *fence) { @@ -459,37 +461,39 @@ static const struct fence_ops android_fence_ops = { .timeline_value_str = android_fence_timeline_value_str, };
-static void sync_fence_free(struct kref *kref) +static void sync_file_free(struct kref *kref) { - struct sync_fence *fence = container_of(kref, struct sync_fence, kref); + struct sync_file *sync_file = container_of(kref, struct sync_file, + kref); int i;
- for (i = 0; i < fence->num_fences; ++i) { - fence_remove_callback(fence->cbs[i].sync_pt, &fence->cbs[i].cb); - fence_put(fence->cbs[i].sync_pt); + for (i = 0; i < sync_file->num_fences; ++i) { + fence_remove_callback(sync_file->cbs[i].sync_pt, + &sync_file->cbs[i].cb); + fence_put(sync_file->cbs[i].sync_pt); }
- kfree(fence); + kfree(sync_file); }
-static int sync_fence_release(struct inode *inode, struct file *file) +static int sync_file_release(struct inode *inode, struct file *file) { - struct sync_fence *fence = file->private_data; + struct sync_file *sync_file = file->private_data;
- sync_fence_debug_remove(fence); + sync_file_debug_remove(sync_file);
- kref_put(&fence->kref, sync_fence_free); + kref_put(&sync_file->kref, sync_file_free); return 0; }
-static unsigned int sync_fence_poll(struct file *file, poll_table *wait) +static unsigned int sync_file_poll(struct file *file, poll_table *wait) { - struct sync_fence *fence = file->private_data; + struct sync_file *sync_file = file->private_data; int status;
- poll_wait(file, &fence->wq, wait); + poll_wait(file, &sync_file->wq, wait);
- status = atomic_read(&fence->status); + status = atomic_read(&sync_file->status);
if (!status) return POLLIN; @@ -498,21 +502,23 @@ static unsigned int sync_fence_poll(struct file *file, poll_table *wait) return 0; }
-static long sync_fence_ioctl_wait(struct sync_fence *fence, unsigned long arg) +static long sync_file_ioctl_wait(struct sync_file *sync_file, + unsigned long arg) { __s32 value;
if (copy_from_user(&value, (void __user *)arg, sizeof(value))) return -EFAULT;
- return sync_fence_wait(fence, value); + return sync_file_wait(sync_file, value); }
-static long sync_fence_ioctl_merge(struct sync_fence *fence, unsigned long arg) +static long sync_file_ioctl_merge(struct sync_file *sync_file, + unsigned long arg) { int fd = get_unused_fd_flags(O_CLOEXEC); int err; - struct sync_fence *fence2, *fence3; + struct sync_file *fence2, *fence3; struct sync_merge_data data;
if (fd < 0) @@ -523,14 +529,14 @@ static long sync_fence_ioctl_merge(struct sync_fence *fence, unsigned long arg) goto err_put_fd; }
- fence2 = sync_fence_fdget(data.fd2); + fence2 = sync_file_fdget(data.fd2); if (!fence2) { err = -ENOENT; goto err_put_fd; }
data.name[sizeof(data.name) - 1] = '\0'; - fence3 = sync_fence_merge(data.name, fence, fence2); + fence3 = sync_file_merge(data.name, sync_file, fence2); if (!fence3) { err = -ENOMEM; goto err_put_fence2; @@ -542,15 +548,15 @@ static long sync_fence_ioctl_merge(struct sync_fence *fence, unsigned long arg) goto err_put_fence3; }
- sync_fence_install(fence3, fd); - sync_fence_put(fence2); + sync_file_install(fence3, fd); + sync_file_put(fence2); return 0;
err_put_fence3: - sync_fence_put(fence3); + sync_file_put(fence3);
err_put_fence2: - sync_fence_put(fence2); + sync_file_put(fence2);
err_put_fd: put_unused_fd(fd); @@ -589,10 +595,10 @@ static int sync_fill_pt_info(struct fence *fence, void *data, int size) return info->len; }
-static long sync_fence_ioctl_fence_info(struct sync_fence *fence, +static long sync_file_ioctl_fence_info(struct sync_file *sync_file, unsigned long arg) { - struct sync_fence_info_data *data; + struct sync_file_info_data *data; __u32 size; __u32 len = 0; int ret, i; @@ -600,7 +606,7 @@ static long sync_fence_ioctl_fence_info(struct sync_fence *fence, if (copy_from_user(&size, (void __user *)arg, sizeof(size))) return -EFAULT;
- if (size < sizeof(struct sync_fence_info_data)) + if (size < sizeof(struct sync_file_info_data)) return -EINVAL;
if (size > 4096) @@ -610,15 +616,15 @@ static long sync_fence_ioctl_fence_info(struct sync_fence *fence, if (!data) return -ENOMEM;
- strlcpy(data->name, fence->name, sizeof(data->name)); - data->status = atomic_read(&fence->status); + strlcpy(data->name, sync_file->name, sizeof(data->name)); + data->status = atomic_read(&sync_file->status); if (data->status >= 0) data->status = !data->status;
- len = sizeof(struct sync_fence_info_data); + len = sizeof(struct sync_file_info_data);
- for (i = 0; i < fence->num_fences; ++i) { - struct fence *pt = fence->cbs[i].sync_pt; + for (i = 0; i < sync_file->num_fences; ++i) { + struct fence *pt = sync_file->cbs[i].sync_pt;
ret = sync_fill_pt_info(pt, (u8 *)data + len, size - len);
@@ -641,30 +647,30 @@ out: return ret; }
-static long sync_fence_ioctl(struct file *file, unsigned int cmd, +static long sync_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - struct sync_fence *fence = file->private_data; + struct sync_file *sync_file = file->private_data;
switch (cmd) { case SYNC_IOC_WAIT: - return sync_fence_ioctl_wait(fence, arg); + return sync_file_ioctl_wait(sync_file, arg);
case SYNC_IOC_MERGE: - return sync_fence_ioctl_merge(fence, arg); + return sync_file_ioctl_merge(sync_file, arg);
case SYNC_IOC_FENCE_INFO: - return sync_fence_ioctl_fence_info(fence, arg); + return sync_file_ioctl_fence_info(sync_file, arg);
default: return -ENOTTY; } }
-static const struct file_operations sync_fence_fops = { - .release = sync_fence_release, - .poll = sync_fence_poll, - .unlocked_ioctl = sync_fence_ioctl, - .compat_ioctl = sync_fence_ioctl, +static const struct file_operations sync_file_fops = { + .release = sync_file_release, + .poll = sync_file_poll, + .unlocked_ioctl = sync_file_ioctl, + .compat_ioctl = sync_file_ioctl, };
diff --git a/drivers/staging/android/sync.h b/drivers/staging/android/sync.h index b47058f..bec62c3 100644 --- a/drivers/staging/android/sync.h +++ b/drivers/staging/android/sync.h @@ -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
diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c index ae08fc1..6887ba7 100644 --- a/drivers/staging/android/sync_debug.c +++ b/drivers/staging/android/sync_debug.c @@ -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) @@ -152,15 +152,16 @@ 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); } }
@@ -184,15 +185,15 @@ 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; }
@@ -245,7 +246,7 @@ 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) @@ -263,8 +264,8 @@ 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; @@ -272,12 +273,12 @@ 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;
diff --git a/drivers/staging/android/trace/sync.h b/drivers/staging/android/trace/sync.h index 77edb97..80f5da4 100644 --- a/drivers/staging/android/trace/sync.h +++ b/drivers/staging/android/trace/sync.h @@ -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; ),
diff --git a/drivers/staging/android/uapi/sync.h b/drivers/staging/android/uapi/sync.h index e964c75..73deb69 100644 --- a/drivers/staging/android/uapi/sync.h +++ b/drivers/staging/android/uapi/sync.h @@ -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 */