drm/nouveau/object: store object type data outside of handle

#include <subdev/mmu.h>

#define NV_ENGCTX_(eng,var) (NV_ENGCTX_CLASS | ((var) << 8) | (eng))

#define NV_ENGCTX_(eng,var) (((var) << 8) | (eng))

#define NV_ENGCTX(name,var)  NV_ENGCTX_(NVDEV_ENGINE_##name, (var))

struct nvkm_engctx {

#define __NVKM_ENGINE_H__

#include <core/subdev.h>

#define NV_ENGINE_(eng,var) (NV_ENGINE_CLASS | ((var) << 8) | (eng))

#define NV_ENGINE_(eng,var) (((var) << 8) | (eng))

#define NV_ENGINE(name,var)  NV_ENGINE_(NVDEV_ENGINE_##name, (var))

struct nvkm_engine {

#define NV_MEMOBJ_CLASS 0x04000000

#define NV_GPUOBJ_CLASS 0x02000000

#define NV_ENGCTX_CLASS 0x01000000

#define NV_OBJECT_CLASS 0x0000ffff

struct nvkm_object {

	struct nvkm_oclass *oclass;

	u32 pclass;

	struct nvkm_object *parent;

	struct nvkm_engine *engine;

	atomic_t refcount;

#define nv_oclass(o)    nv_object(o)->oclass

#define nv_hclass(o)    nv_oclass(o)->handle

#define nv_iclass(o,i) (nv_hclass(o) & (i))

#define nv_mclass(o)    nv_iclass(o, NV_OBJECT_CLASS)

#define nv_iclass(o,i) (nv_object(o)->pclass & (i))

#define nv_mclass(o)    nv_oclass(o)->handle

static inline struct nvkm_object *

nv_pclass(struct nvkm_object *parent, u32 oclass)

#define __NVKM_SUBDEV_H__

#include <core/object.h>

#define NV_SUBDEV_(sub,var) (NV_SUBDEV_CLASS | ((var) << 8) | (sub))

#define NV_SUBDEV_(sub,var) (((var) << 8) | (sub))

#define NV_SUBDEV(name,var)  NV_SUBDEV_(NVDEV_SUBDEV_##name, (var))

struct nvkm_subdev {

};

#define nvkm_fifo_context_create(p,e,c,g,s,a,f,d)                           \

	nvkm_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d))

	nvkm_gpuobj_create((p), (e), (c), NV_ENGCTX_CLASS, (g), (s), (a), (f), (d))

#define nvkm_fifo_context_destroy(p)                                        \

	nvkm_gpuobj_destroy(&(p)->gpuobj)

#define nvkm_fifo_context_init(p)                                           \