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_exec.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_entity *sched_entity; |
30 | |
31 | enum dma_resv_usage resv_usage; |
32 | bool sync; |
33 | |
34 | struct { |
35 | struct drm_nouveau_sync *s; |
36 | u32 count; |
37 | } in_sync; |
38 | |
39 | struct { |
40 | struct drm_nouveau_sync *s; |
41 | u32 count; |
42 | } out_sync; |
43 | |
44 | struct nouveau_job_ops *ops; |
45 | }; |
46 | |
47 | struct nouveau_job { |
48 | struct drm_sched_job base; |
49 | |
50 | enum nouveau_job_state state; |
51 | |
52 | struct nouveau_sched_entity *entity; |
53 | |
54 | struct drm_file *file_priv; |
55 | struct nouveau_cli *cli; |
56 | |
57 | struct drm_exec exec; |
58 | enum dma_resv_usage resv_usage; |
59 | struct dma_fence *done_fence; |
60 | |
61 | bool sync; |
62 | |
63 | struct { |
64 | struct drm_nouveau_sync *data; |
65 | u32 count; |
66 | } in_sync; |
67 | |
68 | struct { |
69 | struct drm_nouveau_sync *data; |
70 | struct drm_syncobj **objs; |
71 | struct dma_fence_chain **chains; |
72 | u32 count; |
73 | } out_sync; |
74 | |
75 | struct nouveau_job_ops { |
76 | /* If .submit() returns without any error, it is guaranteed that |
77 | * armed_submit() is called. |
78 | */ |
79 | int (*submit)(struct nouveau_job *); |
80 | void (*armed_submit)(struct nouveau_job *); |
81 | struct dma_fence *(*run)(struct nouveau_job *); |
82 | void (*free)(struct nouveau_job *); |
83 | enum drm_gpu_sched_stat (*timeout)(struct nouveau_job *); |
84 | } *ops; |
85 | }; |
86 | |
87 | int nouveau_job_ucopy_syncs(struct nouveau_job_args *args, |
88 | u32 inc, u64 ins, |
89 | u32 outc, u64 outs); |
90 | |
91 | int nouveau_job_init(struct nouveau_job *job, |
92 | struct nouveau_job_args *args); |
93 | void nouveau_job_free(struct nouveau_job *job); |
94 | |
95 | int nouveau_job_submit(struct nouveau_job *job); |
96 | void nouveau_job_fini(struct nouveau_job *job); |
97 | |
98 | #define to_nouveau_sched_entity(entity) \ |
99 | container_of((entity), struct nouveau_sched_entity, base) |
100 | |
101 | struct nouveau_sched_entity { |
102 | struct drm_sched_entity base; |
103 | struct mutex mutex; |
104 | |
105 | struct workqueue_struct *sched_wq; |
106 | |
107 | struct { |
108 | struct { |
109 | struct list_head head; |
110 | spinlock_t lock; |
111 | } list; |
112 | struct wait_queue_head wq; |
113 | } job; |
114 | }; |
115 | |
116 | int nouveau_sched_entity_init(struct nouveau_sched_entity *entity, |
117 | struct drm_gpu_scheduler *sched, |
118 | struct workqueue_struct *sched_wq); |
119 | void nouveau_sched_entity_fini(struct nouveau_sched_entity *entity); |
120 | |
121 | bool nouveau_sched_entity_qwork(struct nouveau_sched_entity *entity, |
122 | struct work_struct *work); |
123 | |
124 | int nouveau_sched_init(struct nouveau_drm *drm); |
125 | void nouveau_sched_fini(struct nouveau_drm *drm); |
126 | |
127 | #endif |
128 | |