1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2023 Intel Corporation 4 */ 5 6 #ifndef _XE_GPU_SCHEDULER_H_ 7 #define _XE_GPU_SCHEDULER_H_ 8 9 #include "xe_gpu_scheduler_types.h" 10 #include "xe_sched_job_types.h" 11 12 int xe_sched_init(struct xe_gpu_scheduler *sched, 13 const struct drm_sched_backend_ops *ops, 14 const struct xe_sched_backend_ops *xe_ops, 15 struct workqueue_struct *submit_wq, 16 uint32_t hw_submission, unsigned hang_limit, 17 long timeout, struct workqueue_struct *timeout_wq, 18 atomic_t *score, const char *name, 19 struct device *dev); 20 void xe_sched_fini(struct xe_gpu_scheduler *sched); 21 22 void xe_sched_submission_start(struct xe_gpu_scheduler *sched); 23 void xe_sched_submission_stop(struct xe_gpu_scheduler *sched); 24 25 void xe_sched_submission_resume_tdr(struct xe_gpu_scheduler *sched); 26 27 void xe_sched_add_msg(struct xe_gpu_scheduler *sched, 28 struct xe_sched_msg *msg); 29 void xe_sched_add_msg_locked(struct xe_gpu_scheduler *sched, 30 struct xe_sched_msg *msg); 31 32 static inline void xe_sched_msg_lock(struct xe_gpu_scheduler *sched) 33 { 34 spin_lock(&sched->base.job_list_lock); 35 } 36 37 static inline void xe_sched_msg_unlock(struct xe_gpu_scheduler *sched) 38 { 39 spin_unlock(&sched->base.job_list_lock); 40 } 41 42 static inline void xe_sched_stop(struct xe_gpu_scheduler *sched) 43 { 44 drm_sched_stop(&sched->base, NULL); 45 } 46 47 static inline void xe_sched_tdr_queue_imm(struct xe_gpu_scheduler *sched) 48 { 49 drm_sched_tdr_queue_imm(&sched->base); 50 } 51 52 static inline void xe_sched_resubmit_jobs(struct xe_gpu_scheduler *sched) 53 { 54 struct drm_sched_job *s_job; 55 56 list_for_each_entry(s_job, &sched->base.pending_list, list) { 57 struct drm_sched_fence *s_fence = s_job->s_fence; 58 struct dma_fence *hw_fence = s_fence->parent; 59 60 if (hw_fence && !dma_fence_is_signaled(hw_fence)) 61 sched->base.ops->run_job(s_job); 62 } 63 } 64 65 static inline bool 66 xe_sched_invalidate_job(struct xe_sched_job *job, int threshold) 67 { 68 return drm_sched_invalidate_job(&job->drm, threshold); 69 } 70 71 static inline void xe_sched_add_pending_job(struct xe_gpu_scheduler *sched, 72 struct xe_sched_job *job) 73 { 74 spin_lock(&sched->base.job_list_lock); 75 list_add(&job->drm.list, &sched->base.pending_list); 76 spin_unlock(&sched->base.job_list_lock); 77 } 78 79 static inline 80 struct xe_sched_job *xe_sched_first_pending_job(struct xe_gpu_scheduler *sched) 81 { 82 struct xe_sched_job *job; 83 84 spin_lock(&sched->base.job_list_lock); 85 job = list_first_entry_or_null(&sched->base.pending_list, 86 struct xe_sched_job, drm.list); 87 spin_unlock(&sched->base.job_list_lock); 88 89 return job; 90 } 91 92 static inline int 93 xe_sched_entity_init(struct xe_sched_entity *entity, 94 struct xe_gpu_scheduler *sched) 95 { 96 return drm_sched_entity_init(entity, 0, 97 (struct drm_gpu_scheduler **)&sched, 98 1, NULL); 99 } 100 101 #define xe_sched_entity_fini drm_sched_entity_fini 102 103 #endif 104