1 #ifndef __NOUVEAU_CHAN_H__
2 #define __NOUVEAU_CHAN_H__
3 
4 #include <nvif/object.h>
5 struct nvif_device;
6 
7 struct nouveau_channel {
8 	struct nvif_device *device;
9 	struct nouveau_drm *drm;
10 
11 	int chid;
12 
13 	struct nvif_object vram;
14 	struct nvif_object gart;
15 	struct nvif_object nvsw;
16 
17 	struct {
18 		struct nouveau_bo *buffer;
19 		struct nvkm_vma vma;
20 		struct nvif_object ctxdma;
21 	} push;
22 
23 	/* TODO: this will be reworked in the near future */
24 	bool accel_done;
25 	void *fence;
26 	struct {
27 		int max;
28 		int free;
29 		int cur;
30 		int put;
31 		int ib_base;
32 		int ib_max;
33 		int ib_free;
34 		int ib_put;
35 	} dma;
36 	u32 user_get_hi;
37 	u32 user_get;
38 	u32 user_put;
39 
40 	struct nvif_object user;
41 };
42 
43 
44 int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
45 			 u32 handle, u32 arg0, u32 arg1,
46 			 struct nouveau_channel **);
47 void nouveau_channel_del(struct nouveau_channel **);
48 int  nouveau_channel_idle(struct nouveau_channel *);
49 
50 extern int nouveau_vram_pushbuf;
51 
52 #endif
53