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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273/* * 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->extern_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 * @deadline: the earliest fence deadline hint */struct sync_pt { struct dma_fence base; struct list_head link; struct rb_node node; ktime_t deadline;};
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);
#endif /* _LINUX_SYNC_H */