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 | 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 | 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 | |