1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/core/parent.h b/drivers/gpu/drm/nouveau/core/include/core/parent.h
new file mode 100644
index 0000000..1dd57f6
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/core/parent.h
@@ -0,0 +1,61 @@
+#ifndef __NOUVEAU_PARENT_H__
+#define __NOUVEAU_PARENT_H__
+
+#include <core/device.h>
+#include <core/object.h>
+
+struct nouveau_sclass {
+	struct nouveau_sclass *sclass;
+	struct nouveau_engine *engine;
+	struct nouveau_oclass *oclass;
+};
+
+struct nouveau_parent {
+	struct nouveau_object base;
+
+	struct nouveau_sclass *sclass;
+	u64 engine;
+
+	int  (*context_attach)(struct nouveau_object *,
+			       struct nouveau_object *);
+	int  (*context_detach)(struct nouveau_object *, bool suspend,
+			       struct nouveau_object *);
+
+	int  (*object_attach)(struct nouveau_object *parent,
+			      struct nouveau_object *object, u32 name);
+	void (*object_detach)(struct nouveau_object *parent, int cookie);
+};
+
+static inline struct nouveau_parent *
+nv_parent(void *obj)
+{
+#if CPTCFG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
+	if (unlikely(!(nv_iclass(obj, NV_PARENT_CLASS))))
+		nv_assert("BAD CAST -> NvParent, %08x", nv_hclass(obj));
+#endif
+	return obj;
+}
+
+#define nouveau_parent_create(p,e,c,v,s,m,d)                                   \
+	nouveau_parent_create_((p), (e), (c), (v), (s), (m),                   \
+			       sizeof(**d), (void **)d)
+#define nouveau_parent_init(p)                                                 \
+	nouveau_object_init(&(p)->base)
+#define nouveau_parent_fini(p,s)                                               \
+	nouveau_object_fini(&(p)->base, (s))
+
+int  nouveau_parent_create_(struct nouveau_object *, struct nouveau_object *,
+			    struct nouveau_oclass *, u32 pclass,
+			    struct nouveau_oclass *, u64 engcls,
+			    int size, void **);
+void nouveau_parent_destroy(struct nouveau_parent *);
+
+void _nouveau_parent_dtor(struct nouveau_object *);
+#define _nouveau_parent_init nouveau_object_init
+#define _nouveau_parent_fini nouveau_object_fini
+
+int nouveau_parent_sclass(struct nouveau_object *, u16 handle,
+			  struct nouveau_object **pengine,
+			  struct nouveau_oclass **poclass);
+
+#endif