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/*
* Copyright (C) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <console.h>
#include <dm.h>
#include <usb.h>
#include <asm/io.h>
#include <asm/state.h>
#include <dm/device-internal.h>
#include <dm/test.h>
#include <dm/uclass-internal.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
/* Test that sandbox USB works correctly */
static int dm_test_usb_base(struct unit_test_state *uts)
{
struct udevice *bus;
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 0, &bus));
ut_assertok(uclass_get_device(UCLASS_USB, 0, &bus));
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 2, &bus));
return 0;
}
DM_TEST(dm_test_usb_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/*
* Test that we can use the flash stick. This is more of a functional test. It
* covers scanning the bug, setting up a hub and a flash stick and reading
* data from the flash stick.
*/
static int dm_test_usb_flash(struct unit_test_state *uts)
{
struct udevice *dev;
block_dev_desc_t *dev_desc;
char cmp[1024];
state_set_skip_delays(true);
ut_assertok(usb_init());
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
ut_assertok(get_device("usb", "0", &dev_desc));
/* Read a few blocks and look for the string we expect */
ut_asserteq(512, dev_desc->blksz);
memset(cmp, '\0', sizeof(cmp));
ut_asserteq(2, dev_desc->block_read(dev_desc->dev, 0, 2, cmp));
ut_assertok(strcmp(cmp, "this is a test"));
return 0;
}
DM_TEST(dm_test_usb_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* test that we can handle multiple storage devices */
static int dm_test_usb_multi(struct unit_test_state *uts)
{
struct udevice *dev;
state_set_skip_delays(true);
ut_assertok(usb_init());
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
return 0;
}
DM_TEST(dm_test_usb_multi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
static int count_usb_devices(void)
{
struct udevice *hub;
struct uclass *uc;
int count = 0;
int ret;
ret = uclass_get(UCLASS_USB_HUB, &uc);
if (ret)
return ret;
uclass_foreach_dev(hub, uc) {
struct udevice *dev;
count++;
for (device_find_first_child(hub, &dev);
dev;
device_find_next_child(&dev)) {
count++;
}
}
return count;
}
/* test that we can remove an emulated device and it is then not found */
static int dm_test_usb_remove(struct unit_test_state *uts)
{
struct udevice *dev, *emul;
/* Scan and check that all devices are present */
state_set_skip_delays(true);
ut_assertok(usb_init());
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
ut_asserteq(5, count_usb_devices());
ut_assertok(usb_stop());
ut_asserteq(5, count_usb_devices());
/* Remove the second emulation device */
ut_assertok(uclass_find_device_by_name(UCLASS_USB_EMUL, "flash-stick@1",
&dev));
ut_assertok(device_unbind(dev));
/* Rescan - only the first and third should be present */
ut_assertok(usb_init());
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
ut_assertok(usb_emul_find_for_dev(dev, &emul));
ut_asserteq_str("flash-stick@0", emul->name);
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
ut_assertok(usb_emul_find_for_dev(dev, &emul));
ut_asserteq_str("flash-stick@2", emul->name);
ut_asserteq(-ENODEV, uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
ut_asserteq(4, count_usb_devices());
ut_assertok(usb_stop());
ut_asserteq(4, count_usb_devices());
return 0;
}
DM_TEST(dm_test_usb_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
const char usb_tree_base[] =
" 1 Hub (12 Mb/s, 100mA)\n"
" | sandbox hub 2345\n"
" |\n"
" |\b+-2 Mass Storage (12 Mb/s, 100mA)\n"
" | sandbox flash flash-stick@0\n"
" | \n"
" |\b+-3 Mass Storage (12 Mb/s, 100mA)\n"
" | sandbox flash flash-stick@1\n"
" | \n"
" |\b+-4 Mass Storage (12 Mb/s, 100mA)\n"
" sandbox flash flash-stick@2\n"
" \n";
/* test that the 'usb tree' command output looks correct */
static int dm_test_usb_tree(struct unit_test_state *uts)
{
char *data;
int len;
state_set_skip_delays(true);
ut_assertok(usb_init());
console_record_reset_enable();
usb_show_tree();
len = membuff_getraw(&gd->console_out, -1, true, &data);
if (len)
data[len] = '\0';
ut_asserteq_str(usb_tree_base, data);
ut_assertok(usb_stop());
return 0;
}
DM_TEST(dm_test_usb_tree, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
const char usb_tree_remove[] =
" 1 Hub (12 Mb/s, 100mA)\n"
" | sandbox hub 2345\n"
" |\n"
" |\b+-2 Mass Storage (12 Mb/s, 100mA)\n"
" | sandbox flash flash-stick@0\n"
" | \n"
" |\b+-3 Mass Storage (12 Mb/s, 100mA)\n"
" sandbox flash flash-stick@2\n"
" \n";
/*
* test that the 'usb tree' command output looks correct when we remove a
* device
*/
static int dm_test_usb_tree_remove(struct unit_test_state *uts)
{
struct udevice *dev;
char *data;
int len;
/* Remove the second emulation device */
ut_assertok(uclass_find_device_by_name(UCLASS_USB_EMUL, "flash-stick@1",
&dev));
ut_assertok(device_unbind(dev));
state_set_skip_delays(true);
ut_assertok(usb_init());
console_record_reset_enable();
usb_show_tree();
len = membuff_getraw(&gd->console_out, -1, true, &data);
if (len)
data[len] = '\0';
ut_asserteq_str(usb_tree_remove, data);
ut_assertok(usb_stop());
return 0;
}
DM_TEST(dm_test_usb_tree_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
const char usb_tree_reorder[] =
" 1 Hub (12 Mb/s, 100mA)\n"
" | sandbox hub 2345\n"
" |\n"
" |\b+-2 Mass Storage (12 Mb/s, 100mA)\n"
" | sandbox flash flash-stick@0\n"
" | \n"
" |\b+-3 Mass Storage (12 Mb/s, 100mA)\n"
" | sandbox flash flash-stick@2\n"
" | \n"
" |\b+-4 Mass Storage (12 Mb/s, 100mA)\n"
" sandbox flash flash-stick@1\n"
" \n";
/*
* test that the 'usb tree' command output looks correct when we reorder two
* devices.
*/
static int dm_test_usb_tree_reorder(struct unit_test_state *uts)
{
struct udevice *dev, *parent;
char *data;
int len;
/* Remove the second emulation device */
ut_assertok(uclass_find_device_by_name(UCLASS_USB_EMUL, "flash-stick@1",
&dev));
parent = dev->parent;
/* Reorder the devices in the parent list and uclass list */
list_del(&dev->sibling_node);
list_add_tail(&dev->sibling_node, &parent->child_head);
list_del(&dev->uclass_node);
list_add_tail(&dev->uclass_node, &dev->uclass->dev_head);
state_set_skip_delays(true);
ut_assertok(usb_init());
console_record_reset_enable();
usb_show_tree();
len = membuff_getraw(&gd->console_out, -1, true, &data);
if (len)
data[len] = '\0';
ut_asserteq_str(usb_tree_reorder, data);
ut_assertok(usb_stop());
return 0;
}
DM_TEST(dm_test_usb_tree_reorder, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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