| #ifndef __NVIF_MMU_H__ |
| #define __NVIF_MMU_H__ |
| #include <nvif/object.h> |
| |
| struct nvif_mmu { |
| struct nvif_object object; |
| u8 dmabits; |
| u8 heap_nr; |
| u8 type_nr; |
| u16 kind_nr; |
| s32 mem; |
| |
| struct { |
| u64 size; |
| } *heap; |
| |
| struct { |
| #define NVIF_MEM_VRAM 0x01 |
| #define NVIF_MEM_HOST 0x02 |
| #define NVIF_MEM_COMP 0x04 |
| #define NVIF_MEM_DISP 0x08 |
| #define NVIF_MEM_KIND 0x10 |
| #define NVIF_MEM_MAPPABLE 0x20 |
| #define NVIF_MEM_COHERENT 0x40 |
| #define NVIF_MEM_UNCACHED 0x80 |
| u8 type; |
| u8 heap; |
| } *type; |
| |
| u8 *kind; |
| }; |
| |
| int nvif_mmu_init(struct nvif_object *, s32 oclass, struct nvif_mmu *); |
| void nvif_mmu_fini(struct nvif_mmu *); |
| |
| static inline bool |
| nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind) |
| { |
| const u8 invalid = mmu->kind_nr - 1; |
| if (kind) { |
| if (kind >= mmu->kind_nr || mmu->kind[kind] == invalid) |
| return false; |
| } |
| return true; |
| } |
| |
| static inline int |
| nvif_mmu_type(struct nvif_mmu *mmu, u8 mask) |
| { |
| int i; |
| for (i = 0; i < mmu->type_nr; i++) { |
| if ((mmu->type[i].type & mask) == mask) |
| return i; |
| } |
| return -EINVAL; |
| } |
| #endif |
