[linux-block.git] / kernel / bpf / map_in_map.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2017 Facebook
 */
#ifndef __MAP_IN_MAP_H__
#define __MAP_IN_MAP_H__

#include <linux/types.h>

struct file;
struct bpf_map;

struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);
void bpf_map_meta_free(struct bpf_map *map_meta);
void *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file,
			 int ufd);
void bpf_map_fd_put_ptr(void *ptr);
u32 bpf_map_fd_sys_lookup_elem(void *ptr);

#endif
Commit	Line	Data
25763b3c	1	/* SPDX-License-Identifier: GPL-2.0-only */
56f668df	2	/* Copyright (c) 2017 Facebook
56f668df MKL	3	*/
	4	#ifndef __MAP_IN_MAP_H__
	5	#define __MAP_IN_MAP_H__
	6
	7	#include <linux/types.h>
	8
	9	struct file;
	10	struct bpf_map;
	11
	12	struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);
	13	void bpf_map_meta_free(struct bpf_map *map_meta);
56f668df MKL	14	void bpf_map_fd_get_ptr(struct bpf_map map, struct file *map_file,
	15	int ufd);
	16	void bpf_map_fd_put_ptr(void *ptr);
14dc6f04	17	u32 bpf_map_fd_sys_lookup_elem(void *ptr);
56f668df MKL	18
56f668df MKL	19	#endif