drivers/gpu/drm/nouveau/include/nvif/mem.h

#ifndef __NVIF_MEM_H__
#define __NVIF_MEM_H__
#include "mmu.h"

struct nvif_mem {
	struct nvif_object object;
	u8  type;
	u8  page;
	u64 addr;
	u64 size;
};

int nvif_mem_init_type(struct nvif_mmu *mmu, s32 oclass, int type, u8 page,
		       u64 size, void *argv, u32 argc, struct nvif_mem *);
int nvif_mem_init(struct nvif_mmu *mmu, s32 oclass, u8 type, u8 page,
		  u64 size, void *argv, u32 argc, struct nvif_mem *);
void nvif_mem_fini(struct nvif_mem *);

int nvif_mem_init_map(struct nvif_mmu *, u8 type, u64 size, struct nvif_mem *);
#endif