This source file includes following definitions.
- nvif_mmu_kind_valid
- nvif_mmu_type
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 u16 kind_nr;
11 s32 mem;
12
13 struct {
14 u64 size;
15 } *heap;
16
17 struct {
18 #define NVIF_MEM_VRAM 0x01
19 #define NVIF_MEM_HOST 0x02
20 #define NVIF_MEM_COMP 0x04
21 #define NVIF_MEM_DISP 0x08
22 #define NVIF_MEM_KIND 0x10
23 #define NVIF_MEM_MAPPABLE 0x20
24 #define NVIF_MEM_COHERENT 0x40
25 #define NVIF_MEM_UNCACHED 0x80
26 u8 type;
27 u8 heap;
28 } *type;
29
30 u8 *kind;
31 };
32
33 int nvif_mmu_init(struct nvif_object *, s32 oclass, struct nvif_mmu *);
34 void nvif_mmu_fini(struct nvif_mmu *);
35
36 static inline bool
37 nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind)
38 {
39 const u8 invalid = mmu->kind_nr - 1;
40 if (kind) {
41 if (kind >= mmu->kind_nr || mmu->kind[kind] == invalid)
42 return false;
43 }
44 return true;
45 }
46
47 static inline int
48 nvif_mmu_type(struct nvif_mmu *mmu, u8 mask)
49 {
50 int i;
51 for (i = 0; i < mmu->type_nr; i++) {
52 if ((mmu->type[i].type & mask) == mask)
53 return i;
54 }
55 return -EINVAL;
56 }
57 #endif