1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2022 Intel Corporation
4 */
5
6#ifndef _XE_PREEMPT_FENCE_TYPES_H_
7#define _XE_PREEMPT_FENCE_TYPES_H_
8
9#include <linux/dma-fence.h>
10#include <linux/workqueue.h>
11
12struct xe_exec_queue;
13
14/**
15 * struct xe_preempt_fence - Xe preempt fence
16 *
17 * hardware and triggers a callback once the xe_engine is complete.
18 */
19struct xe_preempt_fence {
20 /** @base: dma fence base */
21 struct dma_fence base;
22 /** @link: link into list of pending preempt fences */
23 struct list_head link;
24 /** @q: exec queue for this preempt fence */
25 struct xe_exec_queue *q;
26 /** @preempt_work: work struct which issues preemption */
27 struct work_struct preempt_work;
28 /** @lock: dma-fence fence lock */
29 spinlock_t lock;
30 /** @error: preempt fence is in error state */
31 int error;
32};
33
34#endif
35

source code of linux/drivers/gpu/drm/xe/xe_preempt_fence_types.h