// 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_global_mask_nested_deep_array_rcu",
        "test_cpumask_weight",
        "test_refcount_null_tracking",
        "test_populate_reject_small_mask",
        "test_populate_reject_unaligned",
        "test_populate",
};

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_failure);
}