1 files changed, 59 insertions, 0 deletions
diff --git a/drm/nouveau/include/nvkm/core/engine.h b/drm/nouveau/include/nvkm/core/engine.h
new file mode 100644
index 000000000..d7ebd35ef
--- /dev/null
+++ b/drm/nouveau/include/nvkm/core/engine.h
@@ -0,0 +1,59 @@
+#ifndef __NOUVEAU_ENGINE_H__
+#define __NOUVEAU_ENGINE_H__
+
+#include <core/object.h>
+#include <core/subdev.h>
+
+#define NV_ENGINE_(eng,var) (NV_ENGINE_CLASS | ((var) << 8) | (eng))
+#define NV_ENGINE(name,var)  NV_ENGINE_(NVDEV_ENGINE_##name, (var))
+
+struct nouveau_engine {
+	struct nouveau_subdev subdev;
+	struct nouveau_oclass *cclass;
+	struct nouveau_oclass *sclass;
+
+	struct list_head contexts;
+	spinlock_t lock;
+
+	void (*tile_prog)(struct nouveau_engine *, int region);
+	int  (*tlb_flush)(struct nouveau_engine *);
+};
+
+static inline struct nouveau_engine *
+nv_engine(void *obj)
+{
+#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
+	if (unlikely(!nv_iclass(obj, NV_ENGINE_CLASS)))
+		nv_assert("BAD CAST -> NvEngine, %08x", nv_hclass(obj));
+#endif
+	return obj;
+}
+
+static inline int
+nv_engidx(struct nouveau_engine *engine)
+{
+	return nv_subidx(&engine->subdev);
+}
+
+struct nouveau_engine *nouveau_engine(void *obj, int idx);
+
+#define nouveau_engine_create(p,e,c,d,i,f,r)                                   \
+	nouveau_engine_create_((p), (e), (c), (d), (i), (f),                   \
+			       sizeof(**r),(void **)r)
+
+#define nouveau_engine_destroy(p)                                              \
+	nouveau_subdev_destroy(&(p)->subdev)
+#define nouveau_engine_init(p)                                                 \
+	nouveau_subdev_init(&(p)->subdev)
+#define nouveau_engine_fini(p,s)                                               \
+	nouveau_subdev_fini(&(p)->subdev, (s))
+
+int nouveau_engine_create_(struct nouveau_object *, struct nouveau_object *,
+			   struct nouveau_oclass *, bool, const char *,
+			   const char *, int, void **);
+
+#define _nouveau_engine_dtor _nouveau_subdev_dtor
+#define _nouveau_engine_init _nouveau_subdev_init
+#define _nouveau_engine_fini _nouveau_subdev_fini
+
+#endif