1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
3
4#include <test_progs.h>
5#include "cpumask_failure.skel.h"
6#include "cpumask_success.skel.h"
7
8static const char * const cpumask_success_testcases[] = {
9	"test_alloc_free_cpumask",
10	"test_set_clear_cpu",
11	"test_setall_clear_cpu",
12	"test_first_firstzero_cpu",
13	"test_firstand_nocpu",
14	"test_test_and_set_clear",
15	"test_and_or_xor",
16	"test_intersects_subset",
17	"test_copy_any_anyand",
18	"test_insert_leave",
19	"test_insert_remove_release",
20	"test_global_mask_rcu",
21};
22
23static void verify_success(const char *prog_name)
24{
25	struct cpumask_success *skel;
26	struct bpf_program *prog;
27	struct bpf_link *link = NULL;
28	pid_t child_pid;
29	int status;
30
31	skel = cpumask_success__open();
32	if (!ASSERT_OK_PTR(skel, "cpumask_success__open"))
33		return;
34
35	skel->bss->pid = getpid();
36	skel->bss->nr_cpus = libbpf_num_possible_cpus();
37
38	cpumask_success__load(skel);
39	if (!ASSERT_OK_PTR(skel, "cpumask_success__load"))
40		goto cleanup;
41
42	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
43	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
44		goto cleanup;
45
46	link = bpf_program__attach(prog);
47	if (!ASSERT_OK_PTR(link, "bpf_program__attach"))
48		goto cleanup;
49
50	child_pid = fork();
51	if (!ASSERT_GT(child_pid, -1, "child_pid"))
52		goto cleanup;
53	if (child_pid == 0)
54		_exit(0);
55	waitpid(child_pid, &status, 0);
56	ASSERT_OK(skel->bss->err, "post_wait_err");
57
58cleanup:
59	bpf_link__destroy(link);
60	cpumask_success__destroy(skel);
61}
62
63void test_cpumask(void)
64{
65	int i;
66
67	for (i = 0; i < ARRAY_SIZE(cpumask_success_testcases); i++) {
68		if (!test__start_subtest(cpumask_success_testcases[i]))
69			continue;
70
71		verify_success(cpumask_success_testcases[i]);
72	}
73
74	RUN_TESTS(cpumask_success);
75	RUN_TESTS(cpumask_failure);
76}
77