1#ifndef __NVIF_MMU_H__
2#define __NVIF_MMU_H__
3#include <nvif/object.h>
4
5struct 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
34int nvif_mmu_ctor(struct nvif_object *, const char *name, s32 oclass,
35		  struct nvif_mmu *);
36void nvif_mmu_dtor(struct nvif_mmu *);
37
38static inline bool
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
48static inline int
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