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>
7 struct nvif_device;
8 
9 struct 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 
62 int nouveau_channels_init(struct nouveau_drm *);
63 void nouveau_channels_fini(struct nouveau_drm *);
64 
65 int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *, bool priv, u64 runm,
66 			 u32 vram, u32 gart, struct nouveau_channel **);
67 void nouveau_channel_del(struct nouveau_channel **);
68 int  nouveau_channel_idle(struct nouveau_channel *);
69 void nouveau_channel_kill(struct nouveau_channel *);
70 
71 extern int nouveau_vram_pushbuf;
72 
73 #endif
74