1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ 2 /* Copyright (c) 2021 Facebook */ 3 #ifndef __BPF_GEN_INTERNAL_H 4 #define __BPF_GEN_INTERNAL_H 5 6 struct ksym_relo_desc { 7 const char *name; 8 int kind; 9 int insn_idx; 10 bool is_weak; 11 bool is_typeless; 12 }; 13 14 struct ksym_desc { 15 const char *name; 16 int ref; 17 int kind; 18 union { 19 /* used for kfunc */ 20 int off; 21 /* used for typeless ksym */ 22 bool typeless; 23 }; 24 int insn; 25 }; 26 27 struct bpf_gen { 28 struct gen_loader_opts *opts; 29 void *data_start; 30 void *data_cur; 31 void *insn_start; 32 void *insn_cur; 33 ssize_t cleanup_label; 34 __u32 nr_progs; 35 __u32 nr_maps; 36 int log_level; 37 int error; 38 struct ksym_relo_desc *relos; 39 int relo_cnt; 40 char attach_target[128]; 41 int attach_kind; 42 struct ksym_desc *ksyms; 43 __u32 nr_ksyms; 44 int fd_array; 45 int nr_fd_array; 46 }; 47 48 void bpf_gen__init(struct bpf_gen *gen, int log_level); 49 int bpf_gen__finish(struct bpf_gen *gen); 50 void bpf_gen__free(struct bpf_gen *gen); 51 void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size); 52 void bpf_gen__map_create(struct bpf_gen *gen, struct bpf_create_map_params *map_attr, int map_idx); 53 struct bpf_prog_load_params; 54 void bpf_gen__prog_load(struct bpf_gen *gen, struct bpf_prog_load_params *load_attr, int prog_idx); 55 void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size); 56 void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx); 57 void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type); 58 void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak, 59 bool is_typeless, int kind, int insn_idx); 60 61 #endif 62