1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Test for bootdev functions. All start with 'bootdev'
4 *
5 * Copyright 2021 Google LLC
6 * Written by Simon Glass <sjg@chromium.org>
7 */
8
9#include <common.h>
10#include <bootdev.h>
11#include <bootstd.h>
12#include <dm.h>
13#include <memalign.h>
14#include <mmc.h>
15#include <linux/log2.h>
16#include <test/suites.h>
17#include <test/ut.h>
18#include <u-boot/crc.h>
19#include "bootstd_common.h"
20
21/* tracks whether bootstd_setup_for_tests() has been run yet */
22bool vbe_setup_done;
23
24/* set up MMC for VBE tests */
25int bootstd_setup_for_tests(void)
26{
27	ALLOC_CACHE_ALIGN_BUFFER(u8, buf, MMC_MAX_BLOCK_LEN);
28	struct udevice *mmc;
29	struct blk_desc *desc;
30	int ret;
31
32	if (vbe_setup_done)
33		return 0;
34
35	/* Set up the version string */
36	ret = uclass_get_device(UCLASS_MMC, 1, &mmc);
37	if (ret)
38		return log_msg_ret("mmc", -EIO);
39	desc = blk_get_by_device(mmc);
40
41	memset(buf, '\0', MMC_MAX_BLOCK_LEN);
42	strcpy(buf, TEST_VERSION);
43	if (blk_dwrite(desc, VERSION_START_BLK, 1, buf) != 1)
44		return log_msg_ret("wr1", -EIO);
45
46	/* Set up the nvdata */
47	memset(buf, '\0', MMC_MAX_BLOCK_LEN);
48	buf[1] = ilog2(0x40) << 4 | 1;
49	*(u32 *)(buf + 4) = TEST_VERNUM;
50	buf[0] = crc8(0, buf + 1, 0x3f);
51	if (blk_dwrite(desc, NVDATA_START_BLK, 1, buf) != 1)
52		return log_msg_ret("wr2", -EIO);
53
54	vbe_setup_done = true;
55
56	return 0;
57}
58
59int bootstd_test_drop_bootdev_order(struct unit_test_state *uts)
60{
61	struct bootstd_priv *priv;
62	struct udevice *bootstd;
63
64	ut_assertok(uclass_first_device_err(UCLASS_BOOTSTD, &bootstd));
65	priv = dev_get_priv(bootstd);
66	priv->bootdev_order = NULL;
67
68	return 0;
69}
70
71int bootstd_test_check_mmc_hunter(struct unit_test_state *uts)
72{
73	struct bootdev_hunter *start, *mmc;
74	struct bootstd_priv *std;
75	uint seq;
76
77	if (!IS_ENABLED(CONFIG_MMC))
78		return 0;
79
80	/* get access to the used hunters */
81	ut_assertok(bootstd_get_priv(&std));
82
83	/* check that the hunter was used */
84	start = ll_entry_start(struct bootdev_hunter, bootdev_hunter);
85	mmc = BOOTDEV_HUNTER_GET(mmc_bootdev_hunter);
86	seq = mmc - start;
87	ut_asserteq(BIT(seq), std->hunters_used);
88
89	return 0;
90}
91
92int do_ut_bootstd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
93{
94	struct unit_test *tests = UNIT_TEST_SUITE_START(bootstd_test);
95	const int n_ents = UNIT_TEST_SUITE_COUNT(bootstd_test);
96	int ret;
97
98	ret = bootstd_setup_for_tests();
99	if (ret) {
100		printf("Failed to set up for bootstd tests (err=%d)\n", ret);
101		return CMD_RET_FAILURE;
102	}
103
104	return cmd_ut_category("bootstd", "bootstd_test_",
105			       tests, n_ents, argc, argv);
106}
107