162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* Copyright (c) 2017 Facebook 362306a36Sopenharmony_ci */ 462306a36Sopenharmony_ci#ifndef __MAP_IN_MAP_H__ 562306a36Sopenharmony_ci#define __MAP_IN_MAP_H__ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#include <linux/types.h> 862306a36Sopenharmony_ci 962306a36Sopenharmony_cistruct file; 1062306a36Sopenharmony_cistruct bpf_map; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cistruct bpf_map *bpf_map_meta_alloc(int inner_map_ufd); 1362306a36Sopenharmony_civoid bpf_map_meta_free(struct bpf_map *map_meta); 1462306a36Sopenharmony_civoid *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file, 1562306a36Sopenharmony_ci int ufd); 1662306a36Sopenharmony_civoid bpf_map_fd_put_ptr(struct bpf_map *map, void *ptr, bool need_defer); 1762306a36Sopenharmony_ciu32 bpf_map_fd_sys_lookup_elem(void *ptr); 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci#endif 20