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_test_and_set_clear",
14 "test_and_or_xor",
15 "test_intersects_subset",
16 "test_copy_any_anyand",
17 "test_insert_leave",
18 "test_insert_remove_release",
19 "test_insert_kptr_get_release",
20 };
21
verify_success(const char * prog_name)22 static void verify_success(const char *prog_name)
23 {
24 struct cpumask_success *skel;
25 struct bpf_program *prog;
26 struct bpf_link *link = NULL;
27 pid_t child_pid;
28 int status;
29
30 skel = cpumask_success__open();
31 if (!ASSERT_OK_PTR(skel, "cpumask_success__open"))
32 return;
33
34 skel->bss->pid = getpid();
35 skel->bss->nr_cpus = libbpf_num_possible_cpus();
36
37 cpumask_success__load(skel);
38 if (!ASSERT_OK_PTR(skel, "cpumask_success__load"))
39 goto cleanup;
40
41 prog = bpf_object__find_program_by_name(skel->obj, prog_name);
42 if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
43 goto cleanup;
44
45 link = bpf_program__attach(prog);
46 if (!ASSERT_OK_PTR(link, "bpf_program__attach"))
47 goto cleanup;
48
49 child_pid = fork();
50 if (!ASSERT_GT(child_pid, -1, "child_pid"))
51 goto cleanup;
52 if (child_pid == 0)
53 _exit(0);
54 waitpid(child_pid, &status, 0);
55 ASSERT_OK(skel->bss->err, "post_wait_err");
56
57 cleanup:
58 bpf_link__destroy(link);
59 cpumask_success__destroy(skel);
60 }
61
test_cpumask(void)62 void test_cpumask(void)
63 {
64 int i;
65
66 for (i = 0; i < ARRAY_SIZE(cpumask_success_testcases); i++) {
67 if (!test__start_subtest(cpumask_success_testcases[i]))
68 continue;
69
70 verify_success(cpumask_success_testcases[i]);
71 }
72
73 RUN_TESTS(cpumask_failure);
74 }
75