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  
11  struct xe_device;
12  struct xe_exec_queue;
13  struct xe_file;
14  struct xe_sched_job;
15  struct xe_vm;
16  
17  #define SYNC_PARSE_FLAG_EXEC			BIT(0)
18  #define SYNC_PARSE_FLAG_LR_MODE			BIT(1)
19  #define SYNC_PARSE_FLAG_DISALLOW_USER_FENCE	BIT(2)
20  
21  int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef,
22  			struct xe_sync_entry *sync,
23  			struct drm_xe_sync __user *sync_user,
24  			unsigned int flags);
25  int xe_sync_entry_add_deps(struct xe_sync_entry *sync,
26  			   struct xe_sched_job *job);
27  void xe_sync_entry_signal(struct xe_sync_entry *sync,
28  			  struct dma_fence *fence);
29  void xe_sync_entry_cleanup(struct xe_sync_entry *sync);
30  struct dma_fence *
31  xe_sync_in_fence_get(struct xe_sync_entry *sync, int num_sync,
32  		     struct xe_exec_queue *q, struct xe_vm *vm);
33  
xe_sync_is_ufence(struct xe_sync_entry * sync)34  static inline bool xe_sync_is_ufence(struct xe_sync_entry *sync)
35  {
36  	return !!sync->ufence;
37  }
38  
39  struct xe_user_fence *__xe_sync_ufence_get(struct xe_user_fence *ufence);
40  struct xe_user_fence *xe_sync_ufence_get(struct xe_sync_entry *sync);
41  void xe_sync_ufence_put(struct xe_user_fence *ufence);
42  int xe_sync_ufence_get_status(struct xe_user_fence *ufence);
43  
44  #endif
45