1 /* SPDX-License-Identifier: MIT */ 2 3 #ifndef NOUVEAU_SCHED_H 4 #define NOUVEAU_SCHED_H 5 6 #include <linux/types.h> 7 8 #include <drm/drm_gpuvm.h> 9 #include <drm/gpu_scheduler.h> 10 11 #include "nouveau_drv.h" 12 13 #define to_nouveau_job(sched_job) \ 14 container_of((sched_job), struct nouveau_job, base) 15 16 struct nouveau_job_ops; 17 18 enum nouveau_job_state { 19 NOUVEAU_JOB_UNINITIALIZED = 0, 20 NOUVEAU_JOB_INITIALIZED, 21 NOUVEAU_JOB_SUBMIT_SUCCESS, 22 NOUVEAU_JOB_SUBMIT_FAILED, 23 NOUVEAU_JOB_RUN_SUCCESS, 24 NOUVEAU_JOB_RUN_FAILED, 25 }; 26 27 struct nouveau_job_args { 28 struct drm_file *file_priv; 29 struct nouveau_sched *sched; 30 u32 credits; 31 32 enum dma_resv_usage resv_usage; 33 bool sync; 34 35 struct { 36 struct drm_nouveau_sync *s; 37 u32 count; 38 } in_sync; 39 40 struct { 41 struct drm_nouveau_sync *s; 42 u32 count; 43 } out_sync; 44 45 const struct nouveau_job_ops *ops; 46 }; 47 48 struct nouveau_job { 49 struct drm_sched_job base; 50 51 enum nouveau_job_state state; 52 53 struct nouveau_sched *sched; 54 struct list_head entry; 55 56 struct drm_file *file_priv; 57 struct nouveau_cli *cli; 58 59 enum dma_resv_usage resv_usage; 60 struct dma_fence *done_fence; 61 62 bool sync; 63 64 struct { 65 struct drm_nouveau_sync *data; 66 u32 count; 67 } in_sync; 68 69 struct { 70 struct drm_nouveau_sync *data; 71 struct drm_syncobj **objs; 72 struct dma_fence_chain **chains; 73 u32 count; 74 } out_sync; 75 76 const struct nouveau_job_ops { 77 /* If .submit() returns without any error, it is guaranteed that 78 * armed_submit() is called. 79 */ 80 int (*submit)(struct nouveau_job *, struct drm_gpuvm_exec *); 81 void (*armed_submit)(struct nouveau_job *, struct drm_gpuvm_exec *); 82 struct dma_fence *(*run)(struct nouveau_job *); 83 void (*free)(struct nouveau_job *); 84 enum drm_gpu_sched_stat (*timeout)(struct nouveau_job *); 85 } *ops; 86 }; 87 88 int nouveau_job_ucopy_syncs(struct nouveau_job_args *args, 89 u32 inc, u64 ins, 90 u32 outc, u64 outs); 91 92 int nouveau_job_init(struct nouveau_job *job, 93 struct nouveau_job_args *args); 94 void nouveau_job_fini(struct nouveau_job *job); 95 int nouveau_job_submit(struct nouveau_job *job); 96 void nouveau_job_done(struct nouveau_job *job); 97 void nouveau_job_free(struct nouveau_job *job); 98 99 struct nouveau_sched { 100 struct drm_gpu_scheduler base; 101 struct drm_sched_entity entity; 102 struct workqueue_struct *wq; 103 struct mutex mutex; 104 105 struct { 106 struct { 107 struct list_head head; 108 spinlock_t lock; 109 } list; 110 struct wait_queue_head wq; 111 } job; 112 }; 113 114 int nouveau_sched_create(struct nouveau_sched **psched, struct nouveau_drm *drm, 115 struct workqueue_struct *wq, u32 credit_limit); 116 void nouveau_sched_destroy(struct nouveau_sched **psched); 117 118 #endif 119