| 1 | /* SPDX-License-Identifier: MIT */ |
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| 2 | /* |
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| 3 | * Copyright © 2022 Intel Corporation |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef _XE_GUC_ENGINE_TYPES_H_ |
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| 7 | #define _XE_GUC_ENGINE_TYPES_H_ |
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| 8 | |
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| 9 | #include <linux/spinlock.h> |
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| 10 | #include <linux/workqueue.h> |
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| 11 | |
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| 12 | #include "xe_gpu_scheduler_types.h" |
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| 13 | |
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| 14 | struct dma_fence; |
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| 15 | struct xe_exec_queue; |
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| 16 | |
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| 17 | /** |
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| 18 | * struct xe_guc_exec_queue - GuC specific state for an xe_exec_queue |
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| 19 | */ |
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| 20 | struct xe_guc_exec_queue { |
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| 21 | /** @q: Backpointer to parent xe_exec_queue */ |
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| 22 | struct xe_exec_queue *q; |
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| 23 | /** @rcu: For safe freeing of exported dma fences */ |
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| 24 | struct rcu_head rcu; |
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| 25 | /** @sched: GPU scheduler for this xe_exec_queue */ |
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| 26 | struct xe_gpu_scheduler sched; |
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| 27 | /** @entity: Scheduler entity for this xe_exec_queue */ |
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| 28 | struct xe_sched_entity entity; |
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| 29 | /** |
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| 30 | * @static_msgs: Static messages for this xe_exec_queue, used when |
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| 31 | * a message needs to sent through the GPU scheduler but memory |
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| 32 | * allocations are not allowed. |
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| 33 | */ |
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| 34 | #define MAX_STATIC_MSG_TYPE 3 |
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| 35 | struct xe_sched_msg static_msgs[MAX_STATIC_MSG_TYPE]; |
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| 36 | /** @lr_tdr: long running TDR worker */ |
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| 37 | struct work_struct lr_tdr; |
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| 38 | /** @destroy_async: do final destroy async from this worker */ |
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| 39 | struct work_struct destroy_async; |
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| 40 | /** @resume_time: time of last resume */ |
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| 41 | u64 resume_time; |
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| 42 | /** @state: GuC specific state for this xe_exec_queue */ |
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| 43 | atomic_t state; |
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| 44 | /** @wqi_head: work queue item tail */ |
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| 45 | u32 wqi_head; |
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| 46 | /** @wqi_tail: work queue item tail */ |
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| 47 | u32 wqi_tail; |
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| 48 | /** @id: GuC id for this exec_queue */ |
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| 49 | u16 id; |
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| 50 | /** @suspend_wait: wait queue used to wait on pending suspends */ |
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| 51 | wait_queue_head_t suspend_wait; |
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| 52 | /** @suspend_pending: a suspend of the exec_queue is pending */ |
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| 53 | bool suspend_pending; |
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| 54 | /** |
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| 55 | * @needs_cleanup: Needs a cleanup message during VF post migration |
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| 56 | * recovery. |
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| 57 | */ |
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| 58 | bool needs_cleanup; |
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| 59 | /** |
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| 60 | * @needs_suspend: Needs a suspend message during VF post migration |
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| 61 | * recovery. |
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| 62 | */ |
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| 63 | bool needs_suspend; |
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| 64 | /** |
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| 65 | * @needs_resume: Needs a resume message during VF post migration |
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| 66 | * recovery. |
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| 67 | */ |
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| 68 | bool needs_resume; |
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| 69 | }; |
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| 70 | |
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| 71 | #endif |
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| 72 | |
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