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path: root/test/boot/bootflow.c
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// SPDX-License-Identifier: GPL-2.0+
/*
 * Test for bootdev functions. All start with 'bootdev'
 *
 * Copyright 2021 Google LLC
 * Written by Simon Glass <sjg@chromium.org>
 */

#include <common.h>
#include <bootdev.h>
#include <bootflow.h>
#include <bootstd.h>
#include <dm.h>
#include <dm/lists.h>
#include <test/suites.h>
#include <test/ut.h>
#include "bootstd_common.h"

/* Check 'bootflow scan/list' commands */
static int bootflow_cmd(struct unit_test_state *uts)
{
	console_record_reset_enable();
	ut_assertok(run_command("bootdev select 1", 0));
	ut_assert_console_end();
	ut_assertok(run_command("bootflow scan -l", 0));
	ut_assert_nextline("Scanning for bootflows in bootdev 'mmc1.bootdev'");
	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
	ut_assert_nextlinen("---");
	ut_assert_nextline("  0  syslinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
	ut_assert_nextlinen("---");
	ut_assert_nextline("(1 bootflow, 1 valid)");
	ut_assert_console_end();

	ut_assertok(run_command("bootflow list", 0));
	ut_assert_nextline("Showing bootflows for bootdev 'mmc1.bootdev'");
	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
	ut_assert_nextlinen("---");
	ut_assert_nextline("  0  syslinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
	ut_assert_nextlinen("---");
	ut_assert_nextline("(1 bootflow, 1 valid)");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_cmd, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check 'bootflow scan' with a name / label / seq */
static int bootflow_cmd_label(struct unit_test_state *uts)
{
	console_record_reset_enable();
	ut_assertok(run_command("bootflow scan -l mmc1", 0));
	ut_assert_nextline("Scanning for bootflows in bootdev 'mmc1.bootdev'");
	ut_assert_skip_to_line("(1 bootflow, 1 valid)");
	ut_assert_console_end();

	ut_assertok(run_command("bootflow scan -l mmc0.bootdev", 0));
	ut_assert_nextline("Scanning for bootflows in bootdev 'mmc0.bootdev'");
	ut_assert_skip_to_line("(0 bootflows, 0 valid)");
	ut_assert_console_end();

	ut_assertok(run_command("bootflow scan -l 0", 0));
	ut_assert_nextline("Scanning for bootflows in bootdev 'mmc2.bootdev'");
	ut_assert_skip_to_line("(0 bootflows, 0 valid)");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_cmd_label, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check 'bootflow scan/list' commands using all bootdevs */
static int bootflow_cmd_glob(struct unit_test_state *uts)
{
	ut_assertok(bootstd_test_drop_bootdev_order(uts));

	console_record_reset_enable();
	ut_assertok(run_command("bootflow scan -l", 0));
	ut_assert_nextline("Scanning for bootflows in all bootdevs");
	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
	ut_assert_nextlinen("---");
	ut_assert_nextline("Scanning bootdev 'mmc2.bootdev':");
	ut_assert_nextline("Scanning bootdev 'mmc1.bootdev':");
	ut_assert_nextline("  0  syslinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
	ut_assert_nextline("Scanning bootdev 'mmc0.bootdev':");
	ut_assert_nextline("No more bootdevs");
	ut_assert_nextlinen("---");
	ut_assert_nextline("(1 bootflow, 1 valid)");
	ut_assert_console_end();

	ut_assertok(run_command("bootflow list", 0));
	ut_assert_nextline("Showing all bootflows");
	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
	ut_assert_nextlinen("---");
	ut_assert_nextline("  0  syslinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
	ut_assert_nextlinen("---");
	ut_assert_nextline("(1 bootflow, 1 valid)");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_cmd_glob, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check 'bootflow scan -e' */
static int bootflow_cmd_scan_e(struct unit_test_state *uts)
{
	ut_assertok(bootstd_test_drop_bootdev_order(uts));

	console_record_reset_enable();
	ut_assertok(run_command("bootflow scan -ale", 0));
	ut_assert_nextline("Scanning for bootflows in all bootdevs");
	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
	ut_assert_nextlinen("---");
	ut_assert_nextline("Scanning bootdev 'mmc2.bootdev':");
	ut_assert_nextline("  0  syslinux     media   mmc          0  mmc2.bootdev.whole        <NULL>");
	ut_assert_nextline("     ** No partition found, err=-93");
	ut_assert_nextline("  1  efi          media   mmc          0  mmc2.bootdev.whole        <NULL>");
	ut_assert_nextline("     ** No partition found, err=-93");

	ut_assert_nextline("Scanning bootdev 'mmc1.bootdev':");
	ut_assert_nextline("  2  syslinux     media   mmc          0  mmc1.bootdev.whole        <NULL>");
	ut_assert_nextline("     ** No partition found, err=-2");
	ut_assert_nextline("  3  efi          media   mmc          0  mmc1.bootdev.whole        <NULL>");
	ut_assert_nextline("     ** No partition found, err=-2");
	ut_assert_nextline("  4  syslinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
	ut_assert_nextline("  5  efi          fs      mmc          1  mmc1.bootdev.part_1       efi/boot/bootsbox.efi");

	ut_assert_skip_to_line("Scanning bootdev 'mmc0.bootdev':");
	ut_assert_skip_to_line(" 3f  efi          media   mmc          0  mmc0.bootdev.whole        <NULL>");
	ut_assert_nextline("     ** No partition found, err=-93");
	ut_assert_nextline("No more bootdevs");
	ut_assert_nextlinen("---");
	ut_assert_nextline("(64 bootflows, 1 valid)");
	ut_assert_console_end();

	ut_assertok(run_command("bootflow list", 0));
	ut_assert_nextline("Showing all bootflows");
	ut_assert_nextline("Seq  Method       State   Uclass    Part  Name                      Filename");
	ut_assert_nextlinen("---");
	ut_assert_nextline("  0  syslinux     media   mmc          0  mmc2.bootdev.whole        <NULL>");
	ut_assert_nextline("  1  efi          media   mmc          0  mmc2.bootdev.whole        <NULL>");
	ut_assert_skip_to_line("  4  syslinux     ready   mmc          1  mmc1.bootdev.part_1       /extlinux/extlinux.conf");
	ut_assert_skip_to_line(" 3f  efi          media   mmc          0  mmc0.bootdev.whole        <NULL>");
	ut_assert_nextlinen("---");
	ut_assert_nextline("(64 bootflows, 1 valid)");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_cmd_scan_e, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check 'bootflow info' */
static int bootflow_cmd_info(struct unit_test_state *uts)
{
	console_record_reset_enable();
	ut_assertok(run_command("bootdev select 1", 0));
	ut_assert_console_end();
	ut_assertok(run_command("bootflow scan", 0));
	ut_assert_console_end();
	ut_assertok(run_command("bootflow select 0", 0));
	ut_assert_console_end();
	ut_assertok(run_command("bootflow info", 0));
	ut_assert_nextline("Name:      mmc1.bootdev.part_1");
	ut_assert_nextline("Device:    mmc1.bootdev");
	ut_assert_nextline("Block dev: mmc1.blk");
	ut_assert_nextline("Method:    syslinux");
	ut_assert_nextline("State:     ready");
	ut_assert_nextline("Partition: 1");
	ut_assert_nextline("Subdir:    (none)");
	ut_assert_nextline("Filename:  /extlinux/extlinux.conf");
	ut_assert_nextlinen("Buffer:    ");
	ut_assert_nextline("Size:      253 (595 bytes)");
	ut_assert_nextline("Error:     0");
	ut_assert_console_end();

	ut_assertok(run_command("bootflow info -d", 0));
	ut_assert_nextline("Name:      mmc1.bootdev.part_1");
	ut_assert_skip_to_line("Error:     0");
	ut_assert_nextline("Contents:");
	ut_assert_nextline("%s", "");
	ut_assert_nextline("# extlinux.conf generated by appliance-creator");
	ut_assert_skip_to_line("        initrd /initramfs-5.3.7-301.fc31.armv7hl.img");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_cmd_info, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check 'bootflow scan -b' to boot the first available bootdev */
static int bootflow_scan_boot(struct unit_test_state *uts)
{
	console_record_reset_enable();
	ut_assertok(run_command("bootflow scan -b", 0));
	ut_assert_nextline(
		"** Booting bootflow 'mmc1.bootdev.part_1' with syslinux");
	ut_assert_nextline("Ignoring unknown command: ui");

	/*
	 * We expect it to get through to boot although sandbox always returns
	 * -EFAULT as it cannot actually boot the kernel
	 */
	ut_assert_skip_to_line("sandbox: continuing, as we cannot run Linux");
	ut_assert_nextline("Boot failed (err=-14)");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_scan_boot, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check iterating through available bootflows */
static int bootflow_iter(struct unit_test_state *uts)
{
	struct bootflow_iter iter;
	struct bootflow bflow;

	bootstd_clear_glob();

	/* The first device is mmc2.bootdev which has no media */
	ut_asserteq(-EPROTONOSUPPORT,
		    bootflow_scan_first(&iter, BOOTFLOWF_ALL, &bflow));
	ut_asserteq(2, iter.num_methods);
	ut_asserteq(0, iter.cur_method);
	ut_asserteq(0, iter.part);
	ut_asserteq(0, iter.max_part);
	ut_asserteq_str("syslinux", iter.method->name);
	ut_asserteq(0, bflow.err);

	/*
	 * This shows MEDIA even though there is none, since int
	 * bootdev_find_in_blk() we call part_get_info() which returns
	 * -EPROTONOSUPPORT. Ideally it would return -EEOPNOTSUPP and we would
	 * know.
	 */
	ut_asserteq(BOOTFLOWST_MEDIA, bflow.state);

	ut_asserteq(-EPROTONOSUPPORT, bootflow_scan_next(&iter, &bflow));
	ut_asserteq(2, iter.num_methods);
	ut_asserteq(1, iter.cur_method);
	ut_asserteq(0, iter.part);
	ut_asserteq(0, iter.max_part);
	ut_asserteq_str("efi", iter.method->name);
	ut_asserteq(0, bflow.err);
	ut_asserteq(BOOTFLOWST_MEDIA, bflow.state);
	bootflow_free(&bflow);

	/* The next device is mmc1.bootdev - at first we use the whole device */
	ut_asserteq(-ENOENT, bootflow_scan_next(&iter, &bflow));
	ut_asserteq(2, iter.num_methods);
	ut_asserteq(0, iter.cur_method);
	ut_asserteq(0, iter.part);
	ut_asserteq(0x1e, iter.max_part);
	ut_asserteq_str("syslinux", iter.method->name);
	ut_asserteq(0, bflow.err);
	ut_asserteq(BOOTFLOWST_MEDIA, bflow.state);
	bootflow_free(&bflow);

	ut_asserteq(-ENOENT, bootflow_scan_next(&iter, &bflow));
	ut_asserteq(2, iter.num_methods);
	ut_asserteq(1, iter.cur_method);
	ut_asserteq(0, iter.part);
	ut_asserteq(0x1e, iter.max_part);
	ut_asserteq_str("efi", iter.method->name);
	ut_asserteq(0, bflow.err);
	ut_asserteq(BOOTFLOWST_MEDIA, bflow.state);
	bootflow_free(&bflow);

	/* Then more to partition 1 where we find something */
	ut_assertok(bootflow_scan_next(&iter, &bflow));
	ut_asserteq(2, iter.num_methods);
	ut_asserteq(0, iter.cur_method);
	ut_asserteq(1, iter.part);
	ut_asserteq(0x1e, iter.max_part);
	ut_asserteq_str("syslinux", iter.method->name);
	ut_asserteq(0, bflow.err);
	ut_asserteq(BOOTFLOWST_READY, bflow.state);
	bootflow_free(&bflow);

	ut_asserteq(-ENOENT, bootflow_scan_next(&iter, &bflow));
	ut_asserteq(2, iter.num_methods);
	ut_asserteq(1, iter.cur_method);
	ut_asserteq(1, iter.part);
	ut_asserteq(0x1e, iter.max_part);
	ut_asserteq_str("efi", iter.method->name);
	ut_asserteq(0, bflow.err);
	ut_asserteq(BOOTFLOWST_FS, bflow.state);
	bootflow_free(&bflow);

	/* Then more to partition 2 which doesn't exist */
	ut_asserteq(-ENOENT, bootflow_scan_next(&iter, &bflow));
	ut_asserteq(2, iter.num_methods);
	ut_asserteq(0, iter.cur_method);
	ut_asserteq(2, iter.part);
	ut_asserteq(0x1e, iter.max_part);
	ut_asserteq_str("syslinux", iter.method->name);
	ut_asserteq(0, bflow.err);
	ut_asserteq(BOOTFLOWST_MEDIA, bflow.state);
	bootflow_free(&bflow);

	bootflow_iter_uninit(&iter);

	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_iter, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check using the system bootdev */
static int bootflow_system(struct unit_test_state *uts)
{
	struct udevice *bootstd, *dev;

	/* Add the EFI bootmgr driver */
	ut_assertok(uclass_first_device_err(UCLASS_BOOTSTD, &bootstd));
	ut_assertok(device_bind_driver(bootstd, "bootmeth_efi_mgr", "bootmgr",
				       &dev));

	/* Add the system bootdev that it uses */
	ut_assertok(device_bind_driver(bootstd, "system_bootdev",
				       "system-bootdev", &dev));

	ut_assertok(bootstd_test_drop_bootdev_order(uts));

	/* We should get a single 'bootmgr' method right at the end */
	bootstd_clear_glob();
	console_record_reset_enable();
	ut_assertok(run_command("bootflow scan -l", 0));
	ut_assert_skip_to_line("  1  bootmgr      ready   bootstd      0  <NULL>                    <NULL>");
	ut_assert_nextline("No more bootdevs");
	ut_assert_skip_to_line("(2 bootflows, 2 valid)");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_system, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check disabling a bootmethod if it requests it */
static int bootflow_iter_disable(struct unit_test_state *uts)
{
	struct udevice *bootstd, *dev;
	struct bootflow_iter iter;
	struct bootflow bflow;
	int i;

	/* Add the EFI bootmgr driver */
	ut_assertok(uclass_first_device_err(UCLASS_BOOTSTD, &bootstd));
	ut_assertok(device_bind_driver(bootstd, "bootmeth_sandbox", "sandbox",
				       &dev));

	/* Add the system bootdev that it uses */
	ut_assertok(device_bind_driver(bootstd, "system_bootdev",
				       "system-bootdev", &dev));

	ut_assertok(bootstd_test_drop_bootdev_order(uts));

	bootstd_clear_glob();
	ut_assertok(run_command("bootflow scan -lb", 0));

	/* Try to boot the bootmgr flow, which will fail */
	console_record_reset_enable();
	ut_assertok(bootflow_scan_first(&iter, 0, &bflow));
	ut_asserteq(3, iter.num_methods);
	ut_asserteq_str("sandbox", iter.method->name);
	ut_asserteq(-ENOTSUPP, bootflow_run_boot(&iter, &bflow));

	ut_assert_skip_to_line("Boot method 'sandbox' failed and will not be retried");
	ut_assert_console_end();

	/* Check that the sandbox bootmeth has been removed */
	ut_asserteq(2, iter.num_methods);
	for (i = 0; i < iter.num_methods; i++)
		ut_assert(strcmp("sandbox", iter.method_order[i]->name));

	return 0;
}
BOOTSTD_TEST(bootflow_iter_disable, UT_TESTF_DM | UT_TESTF_SCAN_FDT);

/* Check 'bootflow boot' to boot a selected bootflow */
static int bootflow_cmd_boot(struct unit_test_state *uts)
{
	console_record_reset_enable();
	ut_assertok(run_command("bootdev select 1", 0));
	ut_assert_console_end();
	ut_assertok(run_command("bootflow scan", 0));
	ut_assert_console_end();
	ut_assertok(run_command("bootflow select 0", 0));
	ut_assert_console_end();
	ut_asserteq(1, run_command("bootflow boot", 0));
	ut_assert_nextline(
		"** Booting bootflow 'mmc1.bootdev.part_1' with syslinux");
	ut_assert_nextline("Ignoring unknown command: ui");

	/*
	 * We expect it to get through to boot although sandbox always returns
	 * -EFAULT as it cannot actually boot the kernel
	 */
	ut_assert_skip_to_line("sandbox: continuing, as we cannot run Linux");
	ut_assert_nextline("Boot failed (err=-14)");
	ut_assert_console_end();

	return 0;
}
BOOTSTD_TEST(bootflow_cmd_boot, UT_TESTF_DM | UT_TESTF_SCAN_FDT);