/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
 * Copyright (c) 2024 David Vernet <dvernet@meta.com>
 */
#include <bpf/bpf.h>
#include <scx/common.h>
#include <unistd.h>
#include "dsp_local_on.bpf.skel.h"
#include "scx_test.h"

static enum scx_test_status setup(void **ctx)
{
        struct dsp_local_on *skel;

        skel = dsp_local_on__open();
        SCX_FAIL_IF(!skel, "Failed to open");
        SCX_ENUM_INIT(skel);

        skel->rodata->nr_cpus = libbpf_num_possible_cpus();
        SCX_FAIL_IF(dsp_local_on__load(skel), "Failed to load skel");
        *ctx = skel;

        return SCX_TEST_PASS;
}

static enum scx_test_status run(void *ctx)
{
        struct dsp_local_on *skel = ctx;
        struct bpf_link *link;

        link = bpf_map__attach_struct_ops(skel->maps.dsp_local_on_ops);
        SCX_FAIL_IF(!link, "Failed to attach struct_ops");

        /* Just sleeping is fine, plenty of scheduling events happening */
        sleep(1);

        bpf_link__destroy(link);

        SCX_EQ(skel->data->uei.kind, EXIT_KIND(SCX_EXIT_UNREG));

        return SCX_TEST_PASS;
}

static void cleanup(void *ctx)
{
        struct dsp_local_on *skel = ctx;

        dsp_local_on__destroy(skel);
}

struct scx_test dsp_local_on = {
        .name = "dsp_local_on",
        .description = "Verify we can directly dispatch tasks to a local DSQs "
                       "from ops.dispatch()",
        .setup = setup,
        .run = run,
        .cleanup = cleanup,
};
REGISTER_SCX_TEST(&dsp_local_on)