1#ifndef __NVKM_ENGCTX_H__
2#define __NVKM_ENGCTX_H__
3#include <core/gpuobj.h>
4
5#include <subdev/mmu.h>
6
7#define NV_ENGCTX_(eng,var) (NV_ENGCTX_CLASS | ((var) << 8) | (eng))
8#define NV_ENGCTX(name,var)  NV_ENGCTX_(NVDEV_ENGINE_##name, (var))
9
10struct nvkm_engctx {
11	struct nvkm_gpuobj gpuobj;
12	struct nvkm_vma vma;
13	struct list_head head;
14	unsigned long save;
15	u64 addr;
16};
17
18static inline struct nvkm_engctx *
19nv_engctx(void *obj)
20{
21#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
22	if (unlikely(!nv_iclass(obj, NV_ENGCTX_CLASS)))
23		nv_assert("BAD CAST -> NvEngCtx, %08x", nv_hclass(obj));
24#endif
25	return obj;
26}
27
28#define nvkm_engctx_create(p,e,c,g,s,a,f,d)                                 \
29	nvkm_engctx_create_((p), (e), (c), (g), (s), (a), (f),              \
30			       sizeof(**d), (void **)d)
31
32int  nvkm_engctx_create_(struct nvkm_object *, struct nvkm_object *,
33			    struct nvkm_oclass *, struct nvkm_object *,
34			    u32 size, u32 align, u32 flags,
35			    int length, void **data);
36void nvkm_engctx_destroy(struct nvkm_engctx *);
37int  nvkm_engctx_init(struct nvkm_engctx *);
38int  nvkm_engctx_fini(struct nvkm_engctx *, bool suspend);
39
40int  _nvkm_engctx_ctor(struct nvkm_object *, struct nvkm_object *,
41			  struct nvkm_oclass *, void *, u32,
42			  struct nvkm_object **);
43void _nvkm_engctx_dtor(struct nvkm_object *);
44int  _nvkm_engctx_init(struct nvkm_object *);
45int  _nvkm_engctx_fini(struct nvkm_object *, bool suspend);
46#define _nvkm_engctx_rd32 _nvkm_gpuobj_rd32
47#define _nvkm_engctx_wr32 _nvkm_gpuobj_wr32
48
49struct nvkm_object *nvkm_engctx_get(struct nvkm_engine *, u64 addr);
50void nvkm_engctx_put(struct nvkm_object *);
51#endif
52