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
8 static 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
verify_success(const char * prog_name)23 static 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
58 cleanup:
59 bpf_link__destroy(link);
60 cpumask_success__destroy(skel);
61 }
62
test_cpumask(void)63 void 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