[mirror_ubuntu-bionic-kernel.git] / include / linux / zbud.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ZBUD_H_
#define _ZBUD_H_

#include <linux/types.h>

struct zbud_pool;

struct zbud_ops {
	int (*evict)(struct zbud_pool *pool, unsigned long handle);
};

struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops);
void zbud_destroy_pool(struct zbud_pool *pool);
int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
	unsigned long *handle);
void zbud_free(struct zbud_pool *pool, unsigned long handle);
int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
void *zbud_map(struct zbud_pool *pool, unsigned long handle);
void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
u64 zbud_get_pool_size(struct zbud_pool *pool);

#endif /* _ZBUD_H_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
4e2e2770 SJ	2	#ifndef _ZBUD_H_
	3	#define _ZBUD_H_
	4
	5	#include <linux/types.h>
	6
	7	struct zbud_pool;
	8
	9	struct zbud_ops {
	10	int (evict)(struct zbud_pool pool, unsigned long handle);
	11	};
	12
c83db4f4	13	struct zbud_pool zbud_create_pool(gfp_t gfp, const struct zbud_ops ops);
4e2e2770	14	void zbud_destroy_pool(struct zbud_pool *pool);
99eef8e9	15	int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
4e2e2770 SJ	16	unsigned long *handle);
	17	void zbud_free(struct zbud_pool *pool, unsigned long handle);
	18	int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
	19	void zbud_map(struct zbud_pool pool, unsigned long handle);
	20	void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
	21	u64 zbud_get_pool_size(struct zbud_pool *pool);
	22
	23	#endif /* _ZBUD_H_ */