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	"test_cpumask_weight",
22};
23
24static void verify_success(const char *prog_name)
25{
26	struct cpumask_success *skel;
27	struct bpf_program *prog;
28	struct bpf_link *link = NULL;
29	pid_t child_pid;
30	int status, err;
31
32	skel = cpumask_success__open();
33	if (!ASSERT_OK_PTR(skel, "cpumask_success__open"))
34		return;
35
36	skel->bss->pid = getpid();
37	skel->bss->nr_cpus = libbpf_num_possible_cpus();
38
39	err = cpumask_success__load(skel);
40	if (!ASSERT_OK(err, "cpumask_success__load"))
41		goto cleanup;
42
43	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
44	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
45		goto cleanup;
46
47	link = bpf_program__attach(prog);
48	if (!ASSERT_OK_PTR(link, "bpf_program__attach"))
49		goto cleanup;
50
51	child_pid = fork();
52	if (!ASSERT_GT(child_pid, -1, "child_pid"))
53		goto cleanup;
54	if (child_pid == 0)
55		_exit(0);
56	waitpid(child_pid, &status, 0);
57	ASSERT_OK(skel->bss->err, "post_wait_err");
58
59cleanup:
60	bpf_link__destroy(link);
61	cpumask_success__destroy(skel);
62}
63
64void test_cpumask(void)
65{
66	int i;
67
68	for (i = 0; i < ARRAY_SIZE(cpumask_success_testcases); i++) {
69		if (!test__start_subtest(cpumask_success_testcases[i]))
70			continue;
71
72		verify_success(cpumask_success_testcases[i]);
73	}
74
75	RUN_TESTS(cpumask_success);
76	RUN_TESTS(cpumask_failure);
77}