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 "test_global_mask_array_one_rcu", 22 "test_global_mask_array_rcu", 23 "test_global_mask_array_l2_rcu", 24 "test_global_mask_nested_rcu", 25 "test_global_mask_nested_deep_rcu", 26 "test_global_mask_nested_deep_array_rcu", 27 "test_cpumask_weight", 28 }; 29 30 static void verify_success(const char *prog_name) 31 { 32 struct cpumask_success *skel; 33 struct bpf_program *prog; 34 struct bpf_link *link = NULL; 35 pid_t child_pid; 36 int status, err; 37 38 skel = cpumask_success__open(); 39 if (!ASSERT_OK_PTR(skel, "cpumask_success__open")) 40 return; 41 42 skel->bss->pid = getpid(); 43 skel->bss->nr_cpus = libbpf_num_possible_cpus(); 44 45 err = cpumask_success__load(skel); 46 if (!ASSERT_OK(err, "cpumask_success__load")) 47 goto cleanup; 48 49 prog = bpf_object__find_program_by_name(skel->obj, prog_name); 50 if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name")) 51 goto cleanup; 52 53 link = bpf_program__attach(prog); 54 if (!ASSERT_OK_PTR(link, "bpf_program__attach")) 55 goto cleanup; 56 57 child_pid = fork(); 58 if (!ASSERT_GT(child_pid, -1, "child_pid")) 59 goto cleanup; 60 if (child_pid == 0) 61 _exit(0); 62 waitpid(child_pid, &status, 0); 63 ASSERT_OK(skel->bss->err, "post_wait_err"); 64 65 cleanup: 66 bpf_link__destroy(link); 67 cpumask_success__destroy(skel); 68 } 69 70 void test_cpumask(void) 71 { 72 int i; 73 74 for (i = 0; i < ARRAY_SIZE(cpumask_success_testcases); i++) { 75 if (!test__start_subtest(cpumask_success_testcases[i])) 76 continue; 77 78 verify_success(cpumask_success_testcases[i]); 79 } 80 81 RUN_TESTS(cpumask_success); 82 RUN_TESTS(cpumask_failure); 83 } 84