| 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 | |
| 12 | struct 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 | */ |
| 19 | struct 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 | |