1 #ifndef __NVIF_MMU_H__ 2 #define __NVIF_MMU_H__ 3 #include <nvif/object.h> 4 5 struct nvif_mmu { 6 struct nvif_object object; 7 u8 dmabits; 8 u8 heap_nr; 9 u8 type_nr; 10 u8 kind_inv; 11 u16 kind_nr; 12 s32 mem; 13 14 struct { 15 u64 size; 16 } *heap; 17 18 struct { 19 #define NVIF_MEM_VRAM 0x01 20 #define NVIF_MEM_HOST 0x02 21 #define NVIF_MEM_COMP 0x04 22 #define NVIF_MEM_DISP 0x08 23 #define NVIF_MEM_KIND 0x10 24 #define NVIF_MEM_MAPPABLE 0x20 25 #define NVIF_MEM_COHERENT 0x40 26 #define NVIF_MEM_UNCACHED 0x80 27 u8 type; 28 u8 heap; 29 } *type; 30 31 u8 *kind; 32 }; 33 34 int nvif_mmu_ctor(struct nvif_object *, const char *name, s32 oclass, 35 struct nvif_mmu *); 36 void nvif_mmu_dtor(struct nvif_mmu *); 37 38 static inline bool nvif_mmu_kind_valid(struct nvif_mmu * mmu,u8 kind)39nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind) 40 { 41 if (kind) { 42 if (kind >= mmu->kind_nr || mmu->kind[kind] == mmu->kind_inv) 43 return false; 44 } 45 return true; 46 } 47 48 static inline int nvif_mmu_type(struct nvif_mmu * mmu,u8 mask)49nvif_mmu_type(struct nvif_mmu *mmu, u8 mask) 50 { 51 int i; 52 for (i = 0; i < mmu->type_nr; i++) { 53 if ((mmu->type[i].type & mask) == mask) 54 return i; 55 } 56 return -EINVAL; 57 } 58 #endif 59