1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
13 DECLARE_GLOBAL_DATA_PTR;
15 /* Test that block devices can be created */
16 static int dm_test_blk_base(struct unit_test_state *uts)
18 struct udevice *blk, *usb_blk, *dev;
20 /* Make sure there are no block devices */
21 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_BLK, 0, &blk));
23 /* Create two, one the parent of the other */
24 ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
25 IF_TYPE_HOST, 1, 512, 2, &blk));
26 ut_assertok(blk_create_device(blk, "usb_storage_blk", "test",
27 IF_TYPE_USB, 3, 512, 2, &usb_blk));
29 /* Check we can find them */
30 ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_HOST, 0, &dev));
31 ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
32 ut_asserteq_ptr(blk, dev);
34 ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_USB, 0, &dev));
35 ut_assertok(blk_get_device(IF_TYPE_USB, 3, &dev));
36 ut_asserteq_ptr(usb_blk, dev);
38 /* Check we can iterate */
39 ut_assertok(blk_first_device(IF_TYPE_HOST, &dev));
40 ut_asserteq_ptr(blk, dev);
41 ut_asserteq(-ENODEV, blk_next_device(&dev));
43 ut_assertok(blk_first_device(IF_TYPE_USB, &dev));
44 ut_asserteq_ptr(usb_blk, dev);
45 ut_asserteq(-ENODEV, blk_next_device(&dev));
49 DM_TEST(dm_test_blk_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
51 static int count_blk_devices(void)
58 ret = uclass_get(UCLASS_BLK, &uc);
62 uclass_foreach_dev(blk, uc)
68 /* Test that block devices work correctly with USB */
69 static int dm_test_blk_usb(struct unit_test_state *uts)
71 struct udevice *usb_dev, *dev;
72 struct blk_desc *dev_desc;
74 /* Get a flash device */
75 state_set_skip_delays(true);
76 ut_assertok(usb_init());
77 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &usb_dev));
78 ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc));
80 /* The parent should be a block device */
81 ut_assertok(blk_get_device(IF_TYPE_USB, 0, &dev));
82 ut_asserteq_ptr(usb_dev, dev_get_parent(dev));
84 /* Check we have one block device for each mass storage device */
85 ut_asserteq(6, count_blk_devices());
87 /* Now go around again, making sure the old devices were unbound */
88 ut_assertok(usb_stop());
89 ut_assertok(usb_init());
90 ut_asserteq(6, count_blk_devices());
91 ut_assertok(usb_stop());
95 DM_TEST(dm_test_blk_usb, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
97 /* Test that we can find block devices without probing them */
98 static int dm_test_blk_find(struct unit_test_state *uts)
100 struct udevice *blk, *dev;
102 ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
103 IF_TYPE_HOST, 1, 512, 2, &blk));
104 ut_asserteq(-ENODEV, blk_find_device(IF_TYPE_HOST, 0, &dev));
105 ut_assertok(blk_find_device(IF_TYPE_HOST, 1, &dev));
106 ut_asserteq_ptr(blk, dev);
107 ut_asserteq(false, device_active(dev));
109 /* Now activate it */
110 ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
111 ut_asserteq_ptr(blk, dev);
112 ut_asserteq(true, device_active(dev));
116 DM_TEST(dm_test_blk_find, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
118 /* Test that block device numbering works as expected */
119 static int dm_test_blk_devnum(struct unit_test_state *uts)
121 struct udevice *dev, *mmc_dev, *parent;
125 * Probe the devices, with the first one being probed last. This is the
126 * one with no alias / sequence numnber.
128 ut_assertok(uclass_get_device(UCLASS_MMC, 1, &dev));
129 ut_assertok(uclass_get_device(UCLASS_MMC, 2, &dev));
130 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
131 for (i = 0; i < 3; i++) {
132 struct blk_desc *desc;
134 /* Check that the bblock device is attached */
135 ut_assertok(uclass_get_device_by_seq(UCLASS_MMC, i, &mmc_dev));
136 ut_assertok(blk_find_device(IF_TYPE_MMC, i, &dev));
137 parent = dev_get_parent(dev);
138 ut_asserteq_ptr(parent, mmc_dev);
139 ut_asserteq(trailing_strtol(mmc_dev->name), i);
142 * Check that the block device devnum matches its parent's
145 desc = dev_get_uclass_platdata(dev);
146 ut_asserteq(desc->devnum, i);
151 DM_TEST(dm_test_blk_devnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
153 /* Test that we can get a block from its parent */
154 static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
156 struct udevice *dev, *blk;
158 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
159 ut_assertok(blk_get_from_parent(dev, &blk));
161 ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
162 ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk));
164 ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
165 ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
169 DM_TEST(dm_test_blk_get_from_parent, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);