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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
8struct nouveau_drm;
9struct nouveau_bo;
10
11struct 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
20static inline struct nouveau_fence *
21to_nouveau_fence(struct dma_fence *fence)
22{
23 return container_of(fence, struct nouveau_fence, base);
24}
25
26int nouveau_fence_create(struct nouveau_fence **, struct nouveau_channel *);
27int nouveau_fence_new(struct nouveau_fence **, struct nouveau_channel *);
28void nouveau_fence_unref(struct nouveau_fence **);
29
30int nouveau_fence_emit(struct nouveau_fence *);
31bool nouveau_fence_done(struct nouveau_fence *);
32int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
33int nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
34
35struct nouveau_fence_chan {
36 spinlock_t lock;
37 struct kref fence_ref;
38
39 struct list_head pending;
40 struct list_head flip;
41
42 int (*emit)(struct nouveau_fence *);
43 int (*sync)(struct nouveau_fence *, struct nouveau_channel *,
44 struct nouveau_channel *);
45 u32 (*read)(struct nouveau_channel *);
46 int (*emit32)(struct nouveau_channel *, u64, u32);
47 int (*sync32)(struct nouveau_channel *, u64, u32);
48
49 u32 sequence;
50 u32 context;
51 char name[32];
52
53 struct work_struct uevent_work;
54 struct nvif_event event;
55 int notify_ref, dead, killed;
56};
57
58struct nouveau_fence_priv {
59 void (*dtor)(struct nouveau_drm *);
60 bool (*suspend)(struct nouveau_drm *);
61 void (*resume)(struct nouveau_drm *);
62 int (*context_new)(struct nouveau_channel *);
63 void (*context_del)(struct nouveau_channel *);
64
65 bool uevent;
66};
67
68#define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
69
70void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
71void nouveau_fence_context_del(struct nouveau_fence_chan *);
72void nouveau_fence_context_free(struct nouveau_fence_chan *);
73void nouveau_fence_context_kill(struct nouveau_fence_chan *, int error);
74
75int nv04_fence_create(struct nouveau_drm *);
76int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
77
78int nv10_fence_emit(struct nouveau_fence *);
79int nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
80 struct nouveau_channel *);
81u32 nv10_fence_read(struct nouveau_channel *);
82void nv10_fence_context_del(struct nouveau_channel *);
83void nv10_fence_destroy(struct nouveau_drm *);
84int nv10_fence_create(struct nouveau_drm *);
85
86int nv17_fence_create(struct nouveau_drm *);
87void nv17_fence_resume(struct nouveau_drm *drm);
88
89int nv50_fence_create(struct nouveau_drm *);
90int nv84_fence_create(struct nouveau_drm *);
91int nvc0_fence_create(struct nouveau_drm *);
92int gv100_fence_create(struct nouveau_drm *);
93
94struct nv84_fence_chan {
95 struct nouveau_fence_chan base;
96 struct nouveau_vma *vma;
97};
98
99struct nv84_fence_priv {
100 struct nouveau_fence_priv base;
101 struct nouveau_bo *bo;
102 u32 *suspend;
103 struct mutex mutex;
104};
105
106int nv84_fence_context_new(struct nouveau_channel *);
107
108#endif