1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NOUVEAU_FENCE_H__
3 #define __NOUVEAU_FENCE_H__
5 #include <linux/dma-fence.h>
6 #include <nvif/event.h>
11 struct nouveau_fence {
12 struct dma_fence base;
14 struct list_head head;
16 struct nouveau_channel __rcu *channel;
17 unsigned long timeout;
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 **);
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);
29 struct nouveau_fence_chan {
31 struct kref fence_ref;
33 struct list_head pending;
34 struct list_head flip;
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);
47 struct work_struct uevent_work;
48 struct nvif_event event;
49 int notify_ref, dead, killed;
52 struct nouveau_fence_priv {
53 void (*dtor)(struct nouveau_drm *);
54 bool (*suspend)(struct nouveau_drm *);
55 void (*resume)(struct nouveau_drm *);
56 int (*context_new)(struct nouveau_channel *);
57 void (*context_del)(struct nouveau_channel *);
62 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
64 void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
65 void nouveau_fence_context_del(struct nouveau_fence_chan *);
66 void nouveau_fence_context_free(struct nouveau_fence_chan *);
67 void nouveau_fence_context_kill(struct nouveau_fence_chan *, int error);
69 int nv04_fence_create(struct nouveau_drm *);
70 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
72 int nv10_fence_emit(struct nouveau_fence *);
73 int nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
74 struct nouveau_channel *);
75 u32 nv10_fence_read(struct nouveau_channel *);
76 void nv10_fence_context_del(struct nouveau_channel *);
77 void nv10_fence_destroy(struct nouveau_drm *);
78 int nv10_fence_create(struct nouveau_drm *);
80 int nv17_fence_create(struct nouveau_drm *);
81 void nv17_fence_resume(struct nouveau_drm *drm);
83 int nv50_fence_create(struct nouveau_drm *);
84 int nv84_fence_create(struct nouveau_drm *);
85 int nvc0_fence_create(struct nouveau_drm *);
87 struct nv84_fence_chan {
88 struct nouveau_fence_chan base;
89 struct nouveau_vma *vma;
92 struct nv84_fence_priv {
93 struct nouveau_fence_priv base;
94 struct nouveau_bo *bo;
99 int nv84_fence_context_new(struct nouveau_channel *);