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#include "bpf.h"
 7
 8struct ksym_relo_desc {
 9	const char *name;
10	int kind;
11	int insn_idx;
12	bool is_weak;
13	bool is_typeless;
14	bool is_ld64;
15};
16
17struct ksym_desc {
18	const char *name;
19	int ref;
20	int kind;
21	union {
22		/* used for kfunc */
23		int off;
24		/* used for typeless ksym */
25		bool typeless;
26	};
27	int insn;
28	bool is_ld64;
29};
30
31struct bpf_gen {
32	struct gen_loader_opts *opts;
33	void *data_start;
34	void *data_cur;
35	void *insn_start;
36	void *insn_cur;
37	ssize_t cleanup_label;
38	__u32 nr_progs;
39	__u32 nr_maps;
40	int log_level;
41	int error;
42	struct ksym_relo_desc *relos;
43	int relo_cnt;
44	struct bpf_core_relo *core_relos;
45	int core_relo_cnt;
46	char attach_target[128];
47	int attach_kind;
48	struct ksym_desc *ksyms;
49	__u32 nr_ksyms;
50	int fd_array;
51	int nr_fd_array;
52};
53
54void bpf_gen__init(struct bpf_gen *gen, int log_level, int nr_progs, int nr_maps);
55int bpf_gen__finish(struct bpf_gen *gen, int nr_progs, int nr_maps);
56void bpf_gen__free(struct bpf_gen *gen);
57void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size);
58void bpf_gen__map_create(struct bpf_gen *gen,
59			 enum bpf_map_type map_type, const char *map_name,
60			 __u32 key_size, __u32 value_size, __u32 max_entries,
61			 struct bpf_map_create_opts *map_attr, int map_idx);
62void bpf_gen__prog_load(struct bpf_gen *gen,
63			enum bpf_prog_type prog_type, const char *prog_name,
64			const char *license, struct bpf_insn *insns, size_t insn_cnt,
65			struct bpf_prog_load_opts *load_attr, int prog_idx);
66void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size);
67void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx);
68void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type);
69void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak,
70			    bool is_typeless, bool is_ld64, int kind, int insn_idx);
71void bpf_gen__record_relo_core(struct bpf_gen *gen, const struct bpf_core_relo *core_relo);
72void bpf_gen__populate_outer_map(struct bpf_gen *gen, int outer_map_idx, int key, int inner_map_idx);
73
74#endif

 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
 
 
 6struct ksym_relo_desc {
 7	const char *name;
 8	int kind;
 9	int insn_idx;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10};
11
12struct 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
29void bpf_gen__init(struct bpf_gen *gen, int log_level);
30int bpf_gen__finish(struct bpf_gen *gen);
31void bpf_gen__free(struct bpf_gen *gen);
32void bpf_gen__load_btf(struct bpf_gen *gen, const void *raw_data, __u32 raw_size);
33void bpf_gen__map_create(struct bpf_gen *gen, struct bpf_create_map_attr *map_attr, int map_idx);
34struct bpf_prog_load_params;
35void bpf_gen__prog_load(struct bpf_gen *gen, struct bpf_prog_load_params *load_attr, int prog_idx);
 
 
 
 
 
36void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u32 value_size);
37void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx);
38void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type);
39void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, int kind, int insn_idx);
 
 
 
40
41#endif