1#ifndef __NVKM_PARENT_H__
2#define __NVKM_PARENT_H__
3#include <core/object.h>
4
5struct nvkm_sclass {
6	struct nvkm_sclass *sclass;
7	struct nvkm_engine *engine;
8	struct nvkm_oclass *oclass;
9};
10
11struct nvkm_parent {
12	struct nvkm_object object;
13
14	struct nvkm_sclass *sclass;
15	u64 engine;
16
17	int  (*context_attach)(struct nvkm_object *, struct nvkm_object *);
18	int  (*context_detach)(struct nvkm_object *, bool suspend,
19			       struct nvkm_object *);
20
21	int  (*object_attach)(struct nvkm_object *parent,
22			      struct nvkm_object *object, u32 name);
23	void (*object_detach)(struct nvkm_object *parent, int cookie);
24};
25
26static inline struct nvkm_parent *
27nv_parent(void *obj)
28{
29#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
30	if (unlikely(!(nv_iclass(obj, NV_PARENT_CLASS))))
31		nv_assert("BAD CAST -> NvParent, %08x", nv_hclass(obj));
32#endif
33	return obj;
34}
35
36#define nvkm_parent_create(p,e,c,v,s,m,d)                                   \
37	nvkm_parent_create_((p), (e), (c), (v), (s), (m),                   \
38			       sizeof(**d), (void **)d)
39#define nvkm_parent_init(p)                                                 \
40	nvkm_object_init(&(p)->object)
41#define nvkm_parent_fini(p,s)                                               \
42	nvkm_object_fini(&(p)->object, (s))
43
44int  nvkm_parent_create_(struct nvkm_object *, struct nvkm_object *,
45			    struct nvkm_oclass *, u32 pclass,
46			    struct nvkm_oclass *, u64 engcls,
47			    int size, void **);
48void nvkm_parent_destroy(struct nvkm_parent *);
49
50void _nvkm_parent_dtor(struct nvkm_object *);
51#define _nvkm_parent_init nvkm_object_init
52#define _nvkm_parent_fini nvkm_object_fini
53
54int nvkm_parent_sclass(struct nvkm_object *, u16 handle,
55		       struct nvkm_object **pengine,
56		       struct nvkm_oclass **poclass);
57int nvkm_parent_lclass(struct nvkm_object *, u32 *, int);
58#endif
59