drivers/gpu/drm/nouveau/include/nvkm/core/parent.h

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