nouveau_fence.h source code [linux/drivers/gpu/drm/nouveau/nouveau_fence.h]

1	/ SPDX-License-Identifier: MIT /
2	#ifndef __NOUVEAU_FENCE_H__
3	#define __NOUVEAU_FENCE_H__
4
5	#include <linux/dma-fence.h>
6	#include <nvif/event.h>
7
8	struct nouveau_drm;
9	struct nouveau_bo;
10
11	struct nouveau_fence {
12	struct dma_fence base;
13
14	struct list_head head;
15
16	struct nouveau_channel __rcu *channel;
17	unsigned long timeout;
18	};
19
20	int nouveau_fence_create(struct nouveau_fence , struct** nouveau_channel *);
21	int nouveau_fence_new(struct nouveau_fence , struct** nouveau_channel *);
22	void nouveau_fence_unref(struct nouveau_fence **);
23
24	int nouveau_fence_emit(struct nouveau_fence *);
25	bool nouveau_fence_done(struct nouveau_fence *);
26	int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
27	int nouveau_fence_sync(struct nouveau_bo , struct* nouveau_channel *, bool exclusive, bool intr);
28
29	struct nouveau_fence_chan {
30	spinlock_t lock;
31	struct kref fence_ref;
32
33	struct list_head pending;
34	struct list_head flip;
35
36	int (emit)(struct* nouveau_fence *);
37	int (sync)(struct* nouveau_fence , struct* nouveau_channel *,
38	struct nouveau_channel *);
39	u32 (read)(struct* nouveau_channel *);
40	int (emit32)(struct* nouveau_channel *, u64, u32);
41	int (sync32)(struct* nouveau_channel *, u64, u32);
42
43	u32 sequence;
44	u32 context;
45	char name[`32`];
46
47	struct nvif_event event;
48	int notify_ref, dead, killed;
49	};
50
51	struct nouveau_fence_priv {
52	void (dtor)(struct* nouveau_drm *);
53	bool (suspend)(struct* nouveau_drm *);
54	void (resume)(struct* nouveau_drm *);
55	int (context_new)(struct* nouveau_channel *);
56	void (context_del)(struct* nouveau_channel *);
57
58	bool uevent;
59	};
60
61	#define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
62
63	void nouveau_fence_context_new(struct nouveau_channel , struct* nouveau_fence_chan *);
64	void nouveau_fence_context_del(struct nouveau_fence_chan *);
65	void nouveau_fence_context_free(struct nouveau_fence_chan *);
66	void nouveau_fence_context_kill(struct nouveau_fence_chan , int* error);
67
68	int nv04_fence_create(struct nouveau_drm *);
69	int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
70
71	int nv10_fence_emit(struct nouveau_fence *);
72	int nv17_fence_sync(struct nouveau_fence , struct* nouveau_channel *,
73	struct nouveau_channel *);
74	u32 nv10_fence_read(struct nouveau_channel *);
75	void nv10_fence_context_del(struct nouveau_channel *);
76	void nv10_fence_destroy(struct nouveau_drm *);
77	int nv10_fence_create(struct nouveau_drm *);
78
79	int nv17_fence_create(struct nouveau_drm *);
80	void nv17_fence_resume(struct nouveau_drm *drm);
81
82	int nv50_fence_create(struct nouveau_drm *);
83	int nv84_fence_create(struct nouveau_drm *);
84	int nvc0_fence_create(struct nouveau_drm *);
85
86	struct nv84_fence_chan {
87	struct nouveau_fence_chan base;
88	struct nouveau_vma *vma;
89	};
90
91	struct nv84_fence_priv {
92	struct nouveau_fence_priv base;
93	struct nouveau_bo *bo;
94	u32 *suspend;
95	struct mutex mutex;
96	};
97
98	int nv84_fence_context_new(struct nouveau_channel *);
99
100	#endif
101

source code of linux/drivers/gpu/drm/nouveau/nouveau_fence.h