root/drivers/gpu/drm/nouveau/include/nvif/if0008.h
#ifndef __NVIF_IF0008_H__
#define __NVIF_IF0008_H__
struct nvif_mmu_v0 {
        __u8  version;
        __u8  dmabits;
        __u8  heap_nr;
        __u8  type_nr;
        __u16 kind_nr;
};

#define NVIF_MMU_V0_HEAP                                                   0x00
#define NVIF_MMU_V0_TYPE                                                   0x01
#define NVIF_MMU_V0_KIND                                                   0x02

struct nvif_mmu_heap_v0 {
        __u8  version;
        __u8  index;
        __u8  pad02[6];
        __u64 size;
};

struct nvif_mmu_type_v0 {
        __u8  version;
        __u8  index;
        __u8  heap;
        __u8  vram;
        __u8  host;
        __u8  comp;
        __u8  disp;
        __u8  kind;
        __u8  mappable;
        __u8  coherent;
        __u8  uncached;
};

struct nvif_mmu_kind_v0 {
        __u8  version;
        __u8  kind_inv;
        __u16 count;
        __u8  data[];
};
#endif