1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (c) 2023 Meta Platforms, Inc. and affiliates.
 4 * Copyright (c) 2023 David Vernet <dvernet@meta.com>
 5 * Copyright (c) 2023 Tejun Heo <tj@kernel.org>
 6 */
 7#include <bpf/bpf.h>
 8#include <scx/common.h>
 9#include <sys/wait.h>
10#include <unistd.h>
11#include "minimal.bpf.skel.h"
12#include "scx_test.h"
13
14static enum scx_test_status setup(void **ctx)
15{
16	struct minimal *skel;
17
18	skel = minimal__open_and_load();
19	if (!skel) {
20		SCX_ERR("Failed to open and load skel");
21		return SCX_TEST_FAIL;
22	}
23	*ctx = skel;
24
25	return SCX_TEST_PASS;
26}
27
28static enum scx_test_status run(void *ctx)
29{
30	struct minimal *skel = ctx;
31	struct bpf_link *link;
32
33	link = bpf_map__attach_struct_ops(skel->maps.minimal_ops);
34	if (!link) {
35		SCX_ERR("Failed to attach scheduler");
36		return SCX_TEST_FAIL;
37	}
38
39	bpf_link__destroy(link);
40
41	return SCX_TEST_PASS;
42}
43
44static void cleanup(void *ctx)
45{
46	struct minimal *skel = ctx;
47
48	minimal__destroy(skel);
49}
50
51struct scx_test minimal = {
52	.name = "minimal",
53	.description = "Verify we can load a fully minimal scheduler",
54	.setup = setup,
55	.run = run,
56	.cleanup = cleanup,
57};
58REGISTER_SCX_TEST(&minimal)