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1/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
2/* Copyright (C) 2020 Facebook, Inc. */
3
4#ifndef __TESTING_HELPERS_H
5#define __TESTING_HELPERS_H
6
7#include <stdbool.h>
8#include <bpf/bpf.h>
9#include <bpf/libbpf.h>
10#include <time.h>
11
12#define __TO_STR(x) #x
13#define TO_STR(x) __TO_STR(x)
14
15int parse_num_list(const char *s, bool **set, int *set_len);
16__u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info);
17int bpf_prog_test_load(const char *file, enum bpf_prog_type type,
18 struct bpf_object **pobj, int *prog_fd);
19int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
20 size_t insns_cnt, const char *license,
21 __u32 kern_version, char *log_buf,
22 size_t log_buf_sz);
23
24/*
25 * below function is exported for testing in prog_test test
26 */
27struct test_filter_set;
28int parse_test_list(const char *s,
29 struct test_filter_set *test_set,
30 bool is_glob_pattern);
31int parse_test_list_file(const char *path,
32 struct test_filter_set *test_set,
33 bool is_glob_pattern);
34
35__u64 read_perf_max_sample_freq(void);
36int load_bpf_testmod(bool verbose);
37int unload_bpf_testmod(bool verbose);
38int kern_sync_rcu(void);
39/* returns a userfaultfd that makes accesses to fault_addr's page block */
40int uffd_block_page(void *fault_addr);
41int finit_module(int fd, const char *param_values, int flags);
42int delete_module(const char *name, int flags);
43int load_module(const char *path, bool verbose);
44int load_module_params(const char *path, const char *param_values, bool verbose);
45int try_unload_module(const char *name, int retries, bool verbose);
46int unload_module(const char *name, bool verbose);
47
48static inline __u64 get_time_ns(void)
49{
50 struct timespec t;
51
52 clock_gettime(CLOCK_MONOTONIC, &t);
53
54 return (u64)t.tv_sec * 1000000000 + t.tv_nsec;
55}
56
57struct bpf_insn;
58/* Request BPF program instructions after all rewrites are applied,
59 * e.g. verifier.c:convert_ctx_access() is done.
60 */
61int get_xlated_program(int fd_prog, struct bpf_insn **buf, __u32 *cnt);
62int testing_prog_flags(void);
63bool is_jit_enabled(void);
64int stack_mprotect(void);
65
66#endif /* __TESTING_HELPERS_H */