summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_sched.h
blob: e1f01a23e6f6e84cf2700bde86e4fb5e3e013df1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/* SPDX-License-Identifier: MIT */

#ifndef NOUVEAU_SCHED_H
#define NOUVEAU_SCHED_H

#include <linux/types.h>

#include <drm/drm_gpuvm.h>
#include <drm/gpu_scheduler.h>

#include "nouveau_drv.h"

#define to_nouveau_job(sched_job)		\
		container_of((sched_job), struct nouveau_job, base)

struct nouveau_job_ops;

enum nouveau_job_state {
	NOUVEAU_JOB_UNINITIALIZED = 0,
	NOUVEAU_JOB_INITIALIZED,
	NOUVEAU_JOB_SUBMIT_SUCCESS,
	NOUVEAU_JOB_SUBMIT_FAILED,
	NOUVEAU_JOB_RUN_SUCCESS,
	NOUVEAU_JOB_RUN_FAILED,
};

struct nouveau_job_args {
	struct drm_file *file_priv;
	struct nouveau_sched *sched;
	u32 credits;

	enum dma_resv_usage resv_usage;
	bool sync;

	struct {
		struct drm_nouveau_sync *s;
		u32 count;
	} in_sync;

	struct {
		struct drm_nouveau_sync *s;
		u32 count;
	} out_sync;

	struct nouveau_job_ops *ops;
};

struct nouveau_job {
	struct drm_sched_job base;

	enum nouveau_job_state state;

	struct nouveau_sched *sched;
	struct list_head entry;

	struct drm_file *file_priv;
	struct nouveau_cli *cli;

	enum dma_resv_usage resv_usage;
	struct dma_fence *done_fence;

	bool sync;

	struct {
		struct drm_nouveau_sync *data;
		u32 count;
	} in_sync;

	struct {
		struct drm_nouveau_sync *data;
		struct drm_syncobj **objs;
		struct dma_fence_chain **chains;
		u32 count;
	} out_sync;

	struct nouveau_job_ops {
		/* If .submit() returns without any error, it is guaranteed that
		 * armed_submit() is called.
		 */
		int (*submit)(struct nouveau_job *, struct drm_gpuvm_exec *);
		void (*armed_submit)(struct nouveau_job *, struct drm_gpuvm_exec *);
		struct dma_fence *(*run)(struct nouveau_job *);
		void (*free)(struct nouveau_job *);
		enum drm_gpu_sched_stat (*timeout)(struct nouveau_job *);
	} *ops;
};

int nouveau_job_ucopy_syncs(struct nouveau_job_args *args,
			    u32 inc, u64 ins,
			    u32 outc, u64 outs);

int nouveau_job_init(struct nouveau_job *job,
		     struct nouveau_job_args *args);
void nouveau_job_fini(struct nouveau_job *job);
int nouveau_job_submit(struct nouveau_job *job);
void nouveau_job_done(struct nouveau_job *job);
void nouveau_job_free(struct nouveau_job *job);

struct nouveau_sched {
	struct drm_gpu_scheduler base;
	struct drm_sched_entity entity;
	struct workqueue_struct *wq;
	struct mutex mutex;

	struct {
		struct {
			struct list_head head;
			spinlock_t lock;
		} list;
		struct wait_queue_head wq;
	} job;
};

int nouveau_sched_create(struct nouveau_sched **psched, struct nouveau_drm *drm,
			 struct workqueue_struct *wq, u32 credit_limit);
void nouveau_sched_destroy(struct nouveau_sched **psched);

#endif