// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */ #include <test_progs.h> #include "cpumask_failure.skel.h" #include "cpumask_success.skel.h" static const char * const cpumask_success_testcases[] = { "test_alloc_free_cpumask", "test_set_clear_cpu", "test_setall_clear_cpu", "test_first_firstzero_cpu", "test_firstand_nocpu", "test_test_and_set_clear", "test_and_or_xor", "test_intersects_subset", "test_copy_any_anyand", "test_insert_leave", "test_insert_remove_release", "test_global_mask_rcu", "test_global_mask_array_one_rcu", "test_global_mask_array_rcu", "test_global_mask_array_l2_rcu", "test_global_mask_nested_rcu", "test_global_mask_nested_deep_rcu", "test_cpumask_weight", }; static void verify_success(const char *prog_name) { struct cpumask_success *skel; struct bpf_program *prog; struct bpf_link *link = NULL; pid_t child_pid; int status, err; skel = cpumask_success__open(); if (!ASSERT_OK_PTR(skel, "cpumask_success__open")) return; skel->bss->pid = getpid(); skel->bss->nr_cpus = libbpf_num_possible_cpus(); err = cpumask_success__load(skel); if (!ASSERT_OK(err, "cpumask_success__load")) goto cleanup; prog = bpf_object__find_program_by_name(skel->obj, prog_name); if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name")) goto cleanup; link = bpf_program__attach(prog); if (!ASSERT_OK_PTR(link, "bpf_program__attach")) goto cleanup; child_pid = fork(); if (!ASSERT_GT(child_pid, -1, "child_pid")) goto cleanup; if (child_pid == 0) _exit(0); waitpid(child_pid, &status, 0); ASSERT_OK(skel->bss->err, "post_wait_err"); cleanup: bpf_link__destroy(link); cpumask_success__destroy(skel); } void test_cpumask(void) { int i; for (i = 0; i < ARRAY_SIZE(cpumask_success_testcases); i++) { if (!test__start_subtest(cpumask_success_testcases[i])) continue; verify_success(cpumask_success_testcases[i]); } RUN_TESTS(cpumask_success); RUN_TESTS(cpumask_failure); }