1/* SPDX-License-Identifier: MIT */
2#ifndef __NOUVEAU_CHAN_H__
3#define __NOUVEAU_CHAN_H__
4#include <nvif/object.h>
5#include <nvif/event.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 struct nvif_mem mem_userd;
20 struct nvif_object *userd;
21
22 int runlist;
23 int chid;
24 u64 inst;
25 u32 token;
26
27 struct nvif_object vram;
28 struct nvif_object gart;
29 struct nvif_object nvsw;
30
31 struct {
32 struct nouveau_bo *buffer;
33 struct nouveau_vma *vma;
34 struct nvif_object ctxdma;
35 u64 addr;
36 } push;
37
38 /* TODO: this will be reworked in the near future */
39 bool accel_done;
40 void *fence;
41 struct {
42 int max;
43 int free;
44 int cur;
45 int put;
46 int ib_base;
47 int ib_max;
48 int ib_free;
49 int ib_put;
50 } dma;
51 u32 user_get_hi;
52 u32 user_get;
53 u32 user_put;
54
55 struct nvif_object user;
56 struct nvif_object blit;
57
58 struct nvif_event kill;
59 atomic_t killed;
60};
61
62int nouveau_channels_init(struct nouveau_drm *);
63void nouveau_channels_fini(struct nouveau_drm *);
64
65int nouveau_channel_new(struct nouveau_drm *, struct nvif_device *, bool priv, u64 runm,
66 u32 vram, u32 gart, struct nouveau_channel **);
67void nouveau_channel_del(struct nouveau_channel **);
68int nouveau_channel_idle(struct nouveau_channel *);
69void nouveau_channel_kill(struct nouveau_channel *);
70
71extern int nouveau_vram_pushbuf;
72
73#endif
74

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