blob: d296890813cc9b96c3f6720fc67678f82fd10a04 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001/* SPDX-License-Identifier: GPL-2.0-only */
2/* Copyright (c) 2017 Facebook
3 */
4#ifndef __MAP_IN_MAP_H__
5#define __MAP_IN_MAP_H__
6
7#include <linux/types.h>
8
9struct file;
10struct bpf_map;
11
12struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);
13void bpf_map_meta_free(struct bpf_map *map_meta);
14bool bpf_map_meta_equal(const struct bpf_map *meta0,
15 const struct bpf_map *meta1);
16void *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file,
17 int ufd);
18void bpf_map_fd_put_ptr(struct bpf_map *map, void *ptr, bool need_defer);
19u32 bpf_map_fd_sys_lookup_elem(void *ptr);
20
21#endif