/* 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(struct bpf_map *map, void *ptr, bool need_defer); u32 bpf_map_fd_sys_lookup_elem(void *ptr); #endif