1/* SPDX-License-Identifier: MIT */
2#ifndef __NOUVEAU_CHAN_H__
3#define __NOUVEAU_CHAN_H__
4#include <nvif/object.h>
5#include <nvif/notify.h>
6#include <nvif/push.h>
7struct nvif_device;
8
9struct nouveau_channel {
10	struct {
11		struct nvif_push _push;
12		struct nvif_push *push;
13	} chan;
14
15	struct nvif_device *device;
16	struct nouveau_drm *drm;
17	struct nouveau_vmm *vmm;
18
19	int chid;
20	u64 inst;
21	u32 token;
22
23	struct nvif_object vram;
24	struct nvif_object gart;
25	struct nvif_object nvsw;
26
27	struct {
28		struct nouveau_bo *buffer;
29		struct nouveau_vma *vma;
30		struct nvif_object ctxdma;
31		u64 addr;
32	} push;
33
34	/* TODO: this will be reworked in the near future */
35	bool accel_done;
36	void *fence;
37	struct {
38		int max;
39		int free;
40		int cur;
41		int put;
42		int ib_base;
43		int ib_max;
44		int ib_free;
45		int ib_put;
46	} dma;
47	u32 user_get_hi;
48	u32 user_get;
49	u32 user_put;
50
51	struct nvif_object user;
52
53	struct nvif_notify kill;
54	atomic_t killed;
55};
56
57int nouveau_channels_init(struct nouveau_drm *);
58
59int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
60			 u32 arg0, u32 arg1, bool priv,
61			 struct nouveau_channel **);
62void nouveau_channel_del(struct nouveau_channel **);
63int  nouveau_channel_idle(struct nouveau_channel *);
64
65extern int nouveau_vram_pushbuf;
66
67#endif
68