/* * Copyright (C) 2015 Google, Inc * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include 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);