1#ifndef __NVKM_MM_H__
2#define __NVKM_MM_H__
3#include <core/os.h>
4
5struct nvkm_mm_node {
6	struct list_head nl_entry;
7	struct list_head fl_entry;
8	struct list_head rl_entry;
9
10#define NVKM_MM_HEAP_ANY 0x00
11	u8  heap;
12#define NVKM_MM_TYPE_NONE 0x00
13#define NVKM_MM_TYPE_HOLE 0xff
14	u8  type;
15	u32 offset;
16	u32 length;
17};
18
19struct nvkm_mm {
20	struct list_head nodes;
21	struct list_head free;
22
23	u32 block_size;
24	int heap_nodes;
25};
26
27static inline bool
28nvkm_mm_initialised(struct nvkm_mm *mm)
29{
30	return mm->block_size != 0;
31}
32
33int  nvkm_mm_init(struct nvkm_mm *, u32 offset, u32 length, u32 block);
34int  nvkm_mm_fini(struct nvkm_mm *);
35int  nvkm_mm_head(struct nvkm_mm *, u8 heap, u8 type, u32 size_max,
36		  u32 size_min, u32 align, struct nvkm_mm_node **);
37int  nvkm_mm_tail(struct nvkm_mm *, u8 heap, u8 type, u32 size_max,
38		  u32 size_min, u32 align, struct nvkm_mm_node **);
39void nvkm_mm_free(struct nvkm_mm *, struct nvkm_mm_node **);
40#endif
41