1 #ifndef __NOUVEAU_MM_H__
2 #define __NOUVEAU_MM_H__
3
4 struct nouveau_mm_node {
5 struct list_head nl_entry;
6 struct list_head fl_entry;
7 struct list_head rl_entry;
8
9 u8 type;
10 u32 offset;
11 u32 length;
12 };
13
14 struct nouveau_mm {
15 struct list_head nodes;
16 struct list_head free;
17
18 struct mutex mutex;
19
20 u32 block_size;
21 int heap_nodes;
22 };
23
24 static inline bool
nouveau_mm_initialised(struct nouveau_mm * mm)25 nouveau_mm_initialised(struct nouveau_mm *mm)
26 {
27 return mm->block_size != 0;
28 }
29
30 int nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block);
31 int nouveau_mm_fini(struct nouveau_mm *);
32 int nouveau_mm_head(struct nouveau_mm *, u8 type, u32 size_max, u32 size_min,
33 u32 align, struct nouveau_mm_node **);
34 int nouveau_mm_tail(struct nouveau_mm *, u8 type, u32 size_max, u32 size_min,
35 u32 align, struct nouveau_mm_node **);
36 void nouveau_mm_free(struct nouveau_mm *, struct nouveau_mm_node **);
37
38 #endif
39