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dma-buf: Rename struct fence to dma_fence

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I plan to usurp the short name of struct fence for a core kernel struct,
and so I need to rename the specialised fence/timeline for DMA
operations to make room.

A consensus was reached in
https://lists.freedesktop.org/archives/dri-devel/2016-July/113083.html
that making clear this fence applies to DMA operations was a good thing.
Since then the patch has grown a bit as usage increases, so hopefully it
remains a good thing!

(v2...: rebase, rerun spatch)
v3: Compile on msm, spotted a manual fixup that I broke.
v4: Try again for msm, sorry Daniel

coccinelle script:
@@

@@
- struct fence
+ struct dma_fence
@@

@@
- struct fence_ops
+ struct dma_fence_ops
@@

@@
- struct fence_cb
+ struct dma_fence_cb
@@

@@
- struct fence_array
+ struct dma_fence_array
@@

@@
- enum fence_flag_bits
+ enum dma_fence_flag_bits
@@

@@
(
- fence_init
+ dma_fence_init
|
- fence_release
+ dma_fence_release
|
- fence_free
+ dma_fence_free
|
- fence_get
+ dma_fence_get
|
- fence_get_rcu
+ dma_fence_get_rcu
|
- fence_put
+ dma_fence_put
|
- fence_signal
+ dma_fence_signal
|
- fence_signal_locked
+ dma_fence_signal_locked
|
- fence_default_wait
+ dma_fence_default_wait
|
- fence_add_callback
+ dma_fence_add_callback
|
- fence_remove_callback
+ dma_fence_remove_callback
|
- fence_enable_sw_signaling
+ dma_fence_enable_sw_signaling
|
- fence_is_signaled_locked
+ dma_fence_is_signaled_locked
|
- fence_is_signaled
+ dma_fence_is_signaled
|
- fence_is_later
+ dma_fence_is_later
|
- fence_later
+ dma_fence_later
|
- fence_wait_timeout
+ dma_fence_wait_timeout
|
- fence_wait_any_timeout
+ dma_fence_wait_any_timeout
|
- fence_wait
+ dma_fence_wait
|
- fence_context_alloc
+ dma_fence_context_alloc
|
- fence_array_create
+ dma_fence_array_create
|
- to_fence_array
+ to_dma_fence_array
|
- fence_is_array
+ dma_fence_is_array
|
- trace_fence_emit
+ trace_dma_fence_emit
|
- FENCE_TRACE
+ DMA_FENCE_TRACE
|
- FENCE_WARN
+ DMA_FENCE_WARN
|
- FENCE_ERR
+ DMA_FENCE_ERR
)
 (
 ...
 )

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161025120045.28839-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2016-10-25 13:00:45 +01:00
committed by Daniel Vetter
parent 0fc4f78f44
commit f54d186700
110 changed files with 1251 additions and 1213 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/dma-buf/sync_file.c
+33 -30
View File
@@ -54,7 +54,7 @@ err:
return NULL;
}
static void fence_check_cb_func(struct fence *f, struct fence_cb *cb)
static void fence_check_cb_func(struct dma_fence *f, struct dma_fence_cb *cb)
{
struct sync_file *sync_file;
@@ -71,7 +71,7 @@ static void fence_check_cb_func(struct fence *f, struct fence_cb *cb)
* takes ownership of @fence. The sync_file can be released with
* fput(sync_file->file). Returns the sync_file or NULL in case of error.
*/
struct sync_file *sync_file_create(struct fence *fence)
struct sync_file *sync_file_create(struct dma_fence *fence)
{
struct sync_file *sync_file;
@@ -79,7 +79,7 @@ struct sync_file *sync_file_create(struct fence *fence)
if (!sync_file)
return NULL;
sync_file->fence = fence_get(fence);
sync_file->fence = dma_fence_get(fence);
snprintf(sync_file->name, sizeof(sync_file->name), "%s-%s%llu-%d",
fence->ops->get_driver_name(fence),
@@ -121,16 +121,16 @@ err:
* Ensures @fd references a valid sync_file and returns a fence that
* represents all fence in the sync_file. On error NULL is returned.
*/
struct fence *sync_file_get_fence(int fd)
struct dma_fence *sync_file_get_fence(int fd)
{
struct sync_file *sync_file;
struct fence *fence;
struct dma_fence *fence;
sync_file = sync_file_fdget(fd);
if (!sync_file)
return NULL;
fence = fence_get(sync_file->fence);
fence = dma_fence_get(sync_file->fence);
fput(sync_file->file);
return fence;
@@ -138,22 +138,23 @@ struct fence *sync_file_get_fence(int fd)
EXPORT_SYMBOL(sync_file_get_fence);
static int sync_file_set_fence(struct sync_file *sync_file,
struct fence **fences, int num_fences)
struct dma_fence **fences, int num_fences)
{
struct fence_array *array;
struct dma_fence_array *array;
/*
* The reference for the fences in the new sync_file and held
* in add_fence() during the merge procedure, so for num_fences == 1
* we already own a new reference to the fence. For num_fence > 1
* we own the reference of the fence_array creation.
* we own the reference of the dma_fence_array creation.
*/
if (num_fences == 1) {
sync_file->fence = fences[0];
kfree(fences);
} else {
array = fence_array_create(num_fences, fences,
fence_context_alloc(1), 1, false);
array = dma_fence_array_create(num_fences, fences,
dma_fence_context_alloc(1),
1, false);
if (!array)
return -ENOMEM;
@@ -163,10 +164,11 @@ static int sync_file_set_fence(struct sync_file *sync_file,
return 0;
}
static struct fence **get_fences(struct sync_file *sync_file, int *num_fences)
static struct dma_fence **get_fences(struct sync_file *sync_file,
int *num_fences)
{
if (fence_is_array(sync_file->fence)) {
struct fence_array *array = to_fence_array(sync_file->fence);
if (dma_fence_is_array(sync_file->fence)) {
struct dma_fence_array *array = to_dma_fence_array(sync_file->fence);
*num_fences = array->num_fences;
return array->fences;
@@ -176,12 +178,13 @@ static struct fence **get_fences(struct sync_file *sync_file, int *num_fences)
return &sync_file->fence;
}
static void add_fence(struct fence **fences, int *i, struct fence *fence)
static void add_fence(struct dma_fence **fences,
int *i, struct dma_fence *fence)
{
fences[*i] = fence;
if (!fence_is_signaled(fence)) {
fence_get(fence);
if (!dma_fence_is_signaled(fence)) {
dma_fence_get(fence);
(*i)++;
}
}
@@ -200,7 +203,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
struct sync_file *b)
{
struct sync_file *sync_file;
struct fence **fences, **nfences, **a_fences, **b_fences;
struct dma_fence **fences, **nfences, **a_fences, **b_fences;
int i, i_a, i_b, num_fences, a_num_fences, b_num_fences;
sync_file = sync_file_alloc();
@@ -226,8 +229,8 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
* 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_fences[i_a];
struct fence *pt_b = b_fences[i_b];
struct dma_fence *pt_a = a_fences[i_a];
struct dma_fence *pt_b = b_fences[i_b];
if (pt_a->context < pt_b->context) {
add_fence(fences, &i, pt_a);
@@ -255,7 +258,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
add_fence(fences, &i, b_fences[i_b]);
if (i == 0)
fences[i++] = fence_get(a_fences[0]);
fences[i++] = dma_fence_get(a_fences[0]);
if (num_fences > i) {
nfences = krealloc(fences, i * sizeof(*fences),
@@ -286,8 +289,8 @@ static void sync_file_free(struct kref *kref)
kref);
if (test_bit(POLL_ENABLED, &sync_file->fence->flags))
fence_remove_callback(sync_file->fence, &sync_file->cb);
fence_put(sync_file->fence);
dma_fence_remove_callback(sync_file->fence, &sync_file->cb);
dma_fence_put(sync_file->fence);
kfree(sync_file);
}
@@ -307,12 +310,12 @@ static unsigned int sync_file_poll(struct file *file, poll_table *wait)
if (!poll_does_not_wait(wait) &&
!test_and_set_bit(POLL_ENABLED, &sync_file->fence->flags)) {
if (fence_add_callback(sync_file->fence, &sync_file->cb,
fence_check_cb_func) < 0)
if (dma_fence_add_callback(sync_file->fence, &sync_file->cb,
fence_check_cb_func) < 0)
wake_up_all(&sync_file->wq);
}
return fence_is_signaled(sync_file->fence) ? POLLIN : 0;
return dma_fence_is_signaled(sync_file->fence) ? POLLIN : 0;
}
static long sync_file_ioctl_merge(struct sync_file *sync_file,
@@ -370,14 +373,14 @@ err_put_fd:
return err;
}
static void sync_fill_fence_info(struct fence *fence,
static void sync_fill_fence_info(struct dma_fence *fence,
struct sync_fence_info *info)
{
strlcpy(info->obj_name, fence->ops->get_timeline_name(fence),
sizeof(info->obj_name));
strlcpy(info->driver_name, fence->ops->get_driver_name(fence),
sizeof(info->driver_name));
if (fence_is_signaled(fence))
if (dma_fence_is_signaled(fence))
info->status = fence->status >= 0 ? 1 : fence->status;
else
info->status = 0;
@@ -389,7 +392,7 @@ static long sync_file_ioctl_fence_info(struct sync_file *sync_file,
{
struct sync_file_info info;
struct sync_fence_info *fence_info = NULL;
struct fence **fences;
struct dma_fence **fences;
__u32 size;
int num_fences, ret, i;
@@ -429,7 +432,7 @@ static long sync_file_ioctl_fence_info(struct sync_file *sync_file,
no_fences:
strlcpy(info.name, sync_file->name, sizeof(info.name));
info.status = fence_is_signaled(sync_file->fence);
info.status = dma_fence_is_signaled(sync_file->fence);
info.num_fences = num_fences;
if (copy_to_user((void __user *)arg, &info, sizeof(info)))