1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ZBUD_H_
3#define _ZBUD_H_
4
5#include <linux/types.h>
6
7struct zbud_pool;
8
9struct zbud_ops {
10 int (*evict)(struct zbud_pool *pool, unsigned long handle);
11};
12
13struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops);
14void zbud_destroy_pool(struct zbud_pool *pool);
15int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
16 unsigned long *handle);
17void zbud_free(struct zbud_pool *pool, unsigned long handle);
18int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
19void *zbud_map(struct zbud_pool *pool, unsigned long handle);
20void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
21u64 zbud_get_pool_size(struct zbud_pool *pool);
22
23#endif /* _ZBUD_H_ */
24