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.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 void xe_sched_add_msg_head(struct xe_gpu_scheduler *sched, 32 struct xe_sched_msg *msg); 33 34 static inline void xe_sched_msg_lock(struct xe_gpu_scheduler *sched) 35 { 36 spin_lock(&sched->msg_lock); 37 } 38 39 static inline void xe_sched_msg_unlock(struct xe_gpu_scheduler *sched) 40 { 41 spin_unlock(&sched->msg_lock); 42 } 43 44 static inline void xe_sched_stop(struct xe_gpu_scheduler *sched) 45 { 46 drm_sched_stop(&sched->base, NULL); 47 } 48 49 static inline void xe_sched_tdr_queue_imm(struct xe_gpu_scheduler *sched) 50 { 51 drm_sched_tdr_queue_imm(&sched->base); 52 } 53 54 static inline void xe_sched_resubmit_jobs(struct xe_gpu_scheduler *sched) 55 { 56 struct drm_sched_job *s_job; 57 bool restore_replay = false; 58 59 drm_sched_for_each_pending_job(s_job, &sched->base, NULL) { 60 restore_replay |= to_xe_sched_job(s_job)->restore_replay; 61 if (restore_replay || !drm_sched_job_is_signaled(s_job)) 62 sched->base.ops->run_job(s_job); 63 } 64 } 65 66 static inline bool 67 xe_sched_invalidate_job(struct xe_sched_job *job, int threshold) 68 { 69 return drm_sched_invalidate_job(&job->drm, threshold); 70 } 71 72 /** 73 * xe_sched_first_pending_job() - Find first pending job which is unsignaled 74 * @sched: Xe GPU scheduler 75 * 76 * Return first unsignaled job in pending list or NULL 77 */ 78 static inline 79 struct xe_sched_job *xe_sched_first_pending_job(struct xe_gpu_scheduler *sched) 80 { 81 struct drm_sched_job *job; 82 83 drm_sched_for_each_pending_job(job, &sched->base, NULL) 84 if (!drm_sched_job_is_signaled(job)) 85 return to_xe_sched_job(job); 86 87 return NULL; 88 } 89 90 static inline int 91 xe_sched_entity_init(struct xe_sched_entity *entity, 92 struct xe_gpu_scheduler *sched) 93 { 94 return drm_sched_entity_init(entity, 0, 95 (struct drm_gpu_scheduler **)&sched, 96 1, NULL); 97 } 98 99 #define xe_sched_entity_fini drm_sched_entity_fini 100 101 #endif 102