xref: /openbmc/linux/tools/lib/bpf/bpf_gen_internal.h (revision 35267cea)
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 };
11 
12 struct bpf_gen {
13 	struct gen_loader_opts *opts;
14 	void *data_start;
15 	void *data_cur;
16 	void *insn_start;
17 	void *insn_cur;
18 	ssize_t cleanup_label;
19 	__u32 nr_progs;
20 	__u32 nr_maps;
21 	int log_level;
22 	int error;
23 	struct ksym_relo_desc *relos;
24 	int relo_cnt;
25 	char attach_target[128];
26 	int attach_kind;
27 };
28 
29 void bpf_gen__init(struct bpf_gen *gen, int log_level);
30 int bpf_gen__finish(struct bpf_gen *gen);
31 void bpf_gen__free(struct bpf_gen *gen);
32 void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size);
33 void bpf_gen__map_create(struct bpf_gen *gen, struct bpf_create_map_attr *map_attr, int map_idx);
34 struct bpf_prog_load_params;
35 void bpf_gen__prog_load(struct bpf_gen *gen, struct bpf_prog_load_params *load_attr, int prog_idx);
36 void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size);
37 void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx);
38 void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type);
39 void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, int kind, int insn_idx);
40 
41 #endif
42