[deliverable/linux.git] / drivers / gpu / drm / nouveau / core / include / core / mm.h

#ifndef __NOUVEAU_MM_H__
#define __NOUVEAU_MM_H__

struct nouveau_mm_node {
	struct list_head nl_entry;
	struct list_head fl_entry;
	struct list_head rl_entry;

	u8  type;
	u32 offset;
	u32 length;
};

struct nouveau_mm {
	struct list_head nodes;
	struct list_head free;

	struct mutex mutex;

	u32 block_size;
	int heap_nodes;
};

static inline bool
nouveau_mm_initialised(struct nouveau_mm *mm)
{
	return mm->block_size != 0;
}

int  nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block);
int  nouveau_mm_fini(struct nouveau_mm *);
int  nouveau_mm_head(struct nouveau_mm *, u8 type, u32 size_max, u32 size_min,
		     u32 align, struct nouveau_mm_node **);
int  nouveau_mm_tail(struct nouveau_mm *, u8 type, u32 size_max, u32 size_min,
		     u32 align, struct nouveau_mm_node **);
void nouveau_mm_free(struct nouveau_mm *, struct nouveau_mm_node **);

#endif
Commit	Line	Data
9274f4a9 BS	1	#ifndef __NOUVEAU_MM_H__
9274f4a9 BS	2	#define __NOUVEAU_MM_H__
573a2a37 BS	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
8b464bfe	9	u8 type;
573a2a37 BS	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;
a12036ba	21	int heap_nodes;
573a2a37 BS	22	};
573a2a37 BS	23
7e0f992b BS	24	static inline bool
	25	nouveau_mm_initialised(struct nouveau_mm *mm)
	26	{
	27	return mm->block_size != 0;
	28	}
	29
987eec10 BS	30	int nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block);
987eec10 BS	31	int nouveau_mm_fini(struct nouveau_mm *);
496734bf BS	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 *);
573a2a37	37
573a2a37	38	#endif