xe_sync.h

 1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2021 Intel Corporation
 4 */
 5
 6#ifndef _XE_SYNC_H_
 7#define _XE_SYNC_H_
 8
 9#include "xe_sync_types.h"
10
11struct drm_syncobj;
12struct xe_device;
13struct xe_exec_queue;
14struct xe_file;
15struct xe_sched_job;
16struct xe_vm;
17
18#define SYNC_PARSE_FLAG_EXEC			BIT(0)
19#define SYNC_PARSE_FLAG_LR_MODE			BIT(1)
20#define SYNC_PARSE_FLAG_DISALLOW_USER_FENCE	BIT(2)
21
22int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef,
23			struct xe_sync_entry *sync,
24			struct drm_xe_sync __user *sync_user,
25			struct drm_syncobj *ufence_syncobj,
26			u64 ufence_timeline_value,
27			unsigned int flags);
28int xe_sync_entry_add_deps(struct xe_sync_entry *sync,
29			   struct xe_sched_job *job);
30void xe_sync_entry_signal(struct xe_sync_entry *sync,
31			  struct dma_fence *fence);
32void xe_sync_entry_cleanup(struct xe_sync_entry *sync);
33struct dma_fence *
34xe_sync_in_fence_get(struct xe_sync_entry *sync, int num_sync,
35		     struct xe_exec_queue *q, struct xe_vm *vm);
36
37static inline bool xe_sync_is_ufence(struct xe_sync_entry *sync)
38{
39	return !!sync->ufence;
40}
41
42struct xe_user_fence *__xe_sync_ufence_get(struct xe_user_fence *ufence);
43struct xe_user_fence *xe_sync_ufence_get(struct xe_sync_entry *sync);
44void xe_sync_ufence_put(struct xe_user_fence *ufence);
45int xe_sync_ufence_get_status(struct xe_user_fence *ufence);
46
47#endif