0001 #ifndef __NVIF_MMU_H__
0002 #define __NVIF_MMU_H__
0003 #include <nvif/object.h>
0004
0005 struct nvif_mmu {
0006 struct nvif_object object;
0007 u8 dmabits;
0008 u8 heap_nr;
0009 u8 type_nr;
0010 u8 kind_inv;
0011 u16 kind_nr;
0012 s32 mem;
0013
0014 struct {
0015 u64 size;
0016 } *heap;
0017
0018 struct {
0019 #define NVIF_MEM_VRAM 0x01
0020 #define NVIF_MEM_HOST 0x02
0021 #define NVIF_MEM_COMP 0x04
0022 #define NVIF_MEM_DISP 0x08
0023 #define NVIF_MEM_KIND 0x10
0024 #define NVIF_MEM_MAPPABLE 0x20
0025 #define NVIF_MEM_COHERENT 0x40
0026 #define NVIF_MEM_UNCACHED 0x80
0027 u8 type;
0028 u8 heap;
0029 } *type;
0030
0031 u8 *kind;
0032 };
0033
0034 int nvif_mmu_ctor(struct nvif_object *, const char *name, s32 oclass,
0035 struct nvif_mmu *);
0036 void nvif_mmu_dtor(struct nvif_mmu *);
0037
0038 static inline bool
0039 nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind)
0040 {
0041 if (kind) {
0042 if (kind >= mmu->kind_nr || mmu->kind[kind] == mmu->kind_inv)
0043 return false;
0044 }
0045 return true;
0046 }
0047
0048 static inline int
0049 nvif_mmu_type(struct nvif_mmu *mmu, u8 mask)
0050 {
0051 int i;
0052 for (i = 0; i < mmu->type_nr; i++) {
0053 if ((mmu->type[i].type & mask) == mask)
0054 return i;
0055 }
0056 return -EINVAL;
0057 }
0058 #endif
