1 /* 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 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); 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(struct bpf_map *map, void *ptr, bool need_defer); 17 u32 bpf_map_fd_sys_lookup_elem(void *ptr); 18 19 #endif 20
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