kernel_optimize_test/drivers/dma-buf/sync_debug.h
Ezequiel Garcia 28eff78618 dma-buf: Remove unneeded stubs around sync_debug interfaces
The sync_debug.h header is internal, and only used by
sw_sync.c. Therefore, SW_SYNC is always defined and there
is no need for the stubs. Remove them and make the code
simpler.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180504180037.10661-1-ezequiel@collabora.com
2018-05-07 15:58:07 +02:00

74 lines
1.9 KiB
C

/*
* Sync File validation framework and debug infomation
*
* Copyright (C) 2012 Google, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _LINUX_SYNC_H
#define _LINUX_SYNC_H
#include <linux/list.h>
#include <linux/rbtree.h>
#include <linux/spinlock.h>
#include <linux/dma-fence.h>
#include <linux/sync_file.h>
#include <uapi/linux/sync_file.h>
/**
* struct sync_timeline - sync object
* @kref: reference count on fence.
* @name: name of the sync_timeline. Useful for debugging
* @lock: lock protecting @pt_list and @value
* @pt_tree: rbtree of active (unsignaled/errored) sync_pts
* @pt_list: list of active (unsignaled/errored) sync_pts
* @sync_timeline_list: membership in global sync_timeline_list
*/
struct sync_timeline {
struct kref kref;
char name[32];
/* protected by lock */
u64 context;
int value;
struct rb_root pt_tree;
struct list_head pt_list;
spinlock_t lock;
struct list_head sync_timeline_list;
};
static inline struct sync_timeline *dma_fence_parent(struct dma_fence *fence)
{
return container_of(fence->lock, struct sync_timeline, lock);
}
/**
* struct sync_pt - sync_pt object
* @base: base fence object
* @link: link on the sync timeline's list
* @node: node in the sync timeline's tree
*/
struct sync_pt {
struct dma_fence base;
struct list_head link;
struct rb_node node;
};
extern const struct file_operations sw_sync_debugfs_fops;
void sync_timeline_debug_add(struct sync_timeline *obj);
void sync_timeline_debug_remove(struct sync_timeline *obj);
void sync_file_debug_add(struct sync_file *fence);
void sync_file_debug_remove(struct sync_file *fence);
void sync_dump(void);
#endif /* _LINUX_SYNC_H */