| /* Copyright (c) 2017 Facebook |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of version 2 of the GNU General Public |
| * License as published by the Free Software Foundation. |
| */ |
| #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); |
| bool bpf_map_meta_equal(const struct bpf_map *meta0, |
| const struct bpf_map *meta1); |
| void *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file, |
| int ufd); |
| void bpf_map_fd_put_ptr(struct bpf_map *map, void *ptr, bool need_defer); |
| u32 bpf_map_fd_sys_lookup_elem(void *ptr); |
| |
| #endif |