kernel/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_sclass {
   6         struct nvkm_sclass *sclass;
   7         struct nvkm_engine *engine;
   8         struct nvkm_oclass *oclass;
   9 };
  10
  11 struct 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
  26 static inline struct nvkm_parent *
  27 nv_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
  44 int  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 **);
  48 void nvkm_parent_destroy(struct nvkm_parent *);
  49
  50 void _nvkm_parent_dtor(struct nvkm_object *);
  51 #define _nvkm_parent_init nvkm_object_init
  52 #define _nvkm_parent_fini nvkm_object_fini
  53
  54 int nvkm_parent_sclass(struct nvkm_object *, u16 handle,
  55                        struct nvkm_object **pengine,
  56                        struct nvkm_oclass **poclass);
  57 int nvkm_parent_lclass(struct nvkm_object *, u32 *, int);
  58 #endif