[linux-2.6-block.git] / include / net / hwbm.h

#ifndef _HWBM_H
#define _HWBM_H

struct hwbm_pool {
	/* Capacity of the pool */
	int size;
	/* Size of the buffers managed */
	int frag_size;
	/* Number of buffers currently used by this pool */
	int buf_num;
	/* constructor called during alocation */
	int (*construct)(struct hwbm_pool *bm_pool, void *buf);
	/* protect acces to the buffer counter*/
	spinlock_t lock;
	/* private data */
	void *priv;
};
#ifdef CONFIG_HWBM
void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf);
int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp);
int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num, gfp_t gfp);
#else
void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {}
int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; }
int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num, gfp_t gfp)
{ return 0; }
#endif /* CONFIG_HWBM */
#endif /* _HWBM_H */
Commit	Line	Data
8cb2d8bf GC	1	#ifndef _HWBM_H
	2	#define _HWBM_H
	3
	4	struct hwbm_pool {
	5	/* Capacity of the pool */
	6	int size;
	7	/* Size of the buffers managed */
	8	int frag_size;
	9	/* Number of buffers currently used by this pool */
	10	int buf_num;
	11	/* constructor called during alocation */
	12	int (construct)(struct hwbm_pool bm_pool, void *buf);
	13	/* protect acces to the buffer counter*/
	14	spinlock_t lock;
	15	/* private data */
	16	void *priv;
	17	};
	18	#ifdef CONFIG_HWBM
	19	void hwbm_buf_free(struct hwbm_pool bm_pool, void buf);
	20	int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp);
	21	int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num, gfp_t gfp);
	22	#else
	23	void hwbm_buf_free(struct hwbm_pool bm_pool, void buf) {}
	24	int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; }
	25	int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num, gfp_t gfp)
	26	{ return 0; }
	27	#endif /* CONFIG_HWBM */
	28	#endif /* _HWBM_H */