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_cpumask_weight", 22 }; 23 24 static 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; 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 cpumask_success__load(skel); 40 if (!ASSERT_OK_PTR(skel, "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 59 cleanup: 60 bpf_link__destroy(link); 61 cpumask_success__destroy(skel); 62 } 63 64 void 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 } 78