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#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;
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
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