340 lines
9.4 KiB
C
340 lines
9.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Google, Inc
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*/
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#include <common.h>
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#include <dm.h>
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#include <part.h>
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#include <sandbox_host.h>
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#include <usb.h>
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#include <asm/global_data.h>
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#include <asm/state.h>
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#include <dm/test.h>
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#include <test/test.h>
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#include <test/ut.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Allow resetting the USB-started flag */
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extern char usb_started;
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/* Test that block devices can be created */
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static int dm_test_blk_base(struct unit_test_state *uts)
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{
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struct udevice *blk0, *blk1, *dev0, *dev1, *dev, *chk0, *chk1;
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/* Create two, one the parent of the other */
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ut_assertok(host_create_device("test0", false, &dev0));
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ut_assertok(host_create_device("test1", false, &dev1));
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/* Check we can find them */
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ut_assertok(blk_get_device(UCLASS_HOST, 0, &blk0));
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ut_assertok(blk_get_from_parent(dev0, &chk0));
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ut_asserteq_ptr(blk0, chk0);
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ut_assertok(blk_get_device(UCLASS_HOST, 1, &blk1));
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ut_assertok(blk_get_from_parent(dev1, &chk1));
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ut_asserteq_ptr(blk1, chk1);
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ut_asserteq(-ENODEV, blk_get_device(UCLASS_HOST, 2, &dev0));
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/* Check we can iterate */
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ut_assertok(blk_first_device(UCLASS_HOST, &dev));
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ut_asserteq_ptr(blk0, dev);
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ut_assertok(blk_next_device(&dev));
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ut_asserteq_ptr(blk1, dev);
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return 0;
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}
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DM_TEST(dm_test_blk_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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static int count_blk_devices(void)
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{
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struct udevice *blk;
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struct uclass *uc;
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int count = 0;
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int ret;
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ret = uclass_get(UCLASS_BLK, &uc);
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if (ret)
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return ret;
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uclass_foreach_dev(blk, uc)
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count++;
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return count;
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}
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/* Test that block devices work correctly with USB */
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static int dm_test_blk_usb(struct unit_test_state *uts)
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{
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struct udevice *usb_dev, *dev;
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struct blk_desc *dev_desc;
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usb_started = false;
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/* Get a flash device */
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state_set_skip_delays(true);
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ut_assertok(usb_stop());
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ut_assertok(usb_init());
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ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &usb_dev));
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ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc));
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/* The parent should be a block device */
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ut_assertok(blk_get_device(UCLASS_USB, 0, &dev));
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ut_asserteq_ptr(usb_dev, dev_get_parent(dev));
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/* Check we have one block device for each mass storage device */
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ut_asserteq(6, count_blk_devices());
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/* Now go around again, making sure the old devices were unbound */
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ut_assertok(usb_stop());
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ut_assertok(usb_init());
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ut_asserteq(6, count_blk_devices());
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ut_assertok(usb_stop());
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return 0;
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}
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DM_TEST(dm_test_blk_usb, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test that we can find block devices without probing them */
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static int dm_test_blk_find(struct unit_test_state *uts)
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{
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struct udevice *blk, *chk, *dev;
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ut_assertok(host_create_device("test0", false, &dev));
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ut_assertok(blk_find_device(UCLASS_HOST, 0, &chk));
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ut_assertok(device_find_first_child_by_uclass(dev, UCLASS_BLK, &blk));
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ut_asserteq_ptr(chk, blk);
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ut_asserteq(false, device_active(dev));
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ut_asserteq(-ENODEV, blk_find_device(UCLASS_HOST, 1, &dev));
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/* Now activate it */
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ut_assertok(blk_get_device(UCLASS_HOST, 0, &blk));
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ut_asserteq_ptr(chk, blk);
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ut_asserteq(true, device_active(blk));
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return 0;
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}
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DM_TEST(dm_test_blk_find, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test that block device numbering works as expected */
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static int dm_test_blk_devnum(struct unit_test_state *uts)
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{
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struct udevice *dev, *mmc_dev, *parent;
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int i;
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/*
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* Probe the devices, with the first one being probed last. This is the
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* one with no alias / sequence number.
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*/
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ut_assertok(uclass_get_device(UCLASS_MMC, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_MMC, 2, &dev));
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ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
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for (i = 0; i < 3; i++) {
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struct blk_desc *desc;
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/* Check that the bblock device is attached */
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ut_assertok(uclass_get_device_by_seq(UCLASS_MMC, i, &mmc_dev));
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ut_assertok(blk_find_device(UCLASS_MMC, i, &dev));
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parent = dev_get_parent(dev);
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ut_asserteq_ptr(parent, mmc_dev);
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ut_asserteq(trailing_strtol(mmc_dev->name), i);
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/*
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* Check that the block device devnum matches its parent's
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* sequence number
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*/
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desc = dev_get_uclass_plat(dev);
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ut_asserteq(desc->devnum, i);
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}
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return 0;
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}
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DM_TEST(dm_test_blk_devnum, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test that we can get a block from its parent */
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static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
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{
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struct udevice *dev, *blk;
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ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
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ut_assertok(blk_get_from_parent(dev, &blk));
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ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
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ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
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ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
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ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
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return 0;
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}
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DM_TEST(dm_test_blk_get_from_parent, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test iteration through block devices */
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static int dm_test_blk_iter(struct unit_test_state *uts)
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{
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struct udevice *dev;
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int i;
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/*
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* See sandbox test.dts - it has:
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*
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* mmc0 - removable
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* mmc1 - removable
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* mmc2 - fixed
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*/
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ut_assertok(blk_first_device_err(BLKF_FIXED, &dev));
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ut_asserteq_str("mmc2.blk", dev->name);
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ut_asserteq(-ENODEV, blk_next_device_err(BLKF_FIXED, &dev));
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ut_assertok(blk_first_device_err(BLKF_REMOVABLE, &dev));
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ut_asserteq_str("mmc1.blk", dev->name);
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ut_assertok(blk_next_device_err(BLKF_REMOVABLE, &dev));
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ut_asserteq_str("mmc0.blk", dev->name);
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ut_asserteq(-ENODEV, blk_next_device_err(BLKF_REMOVABLE, &dev));
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ut_assertok(blk_first_device_err(BLKF_BOTH, &dev));
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ut_asserteq_str("mmc2.blk", dev->name);
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ut_assertok(blk_next_device_err(BLKF_BOTH, &dev));
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ut_asserteq_str("mmc1.blk", dev->name);
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ut_assertok(blk_next_device_err(BLKF_BOTH, &dev));
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ut_asserteq_str("mmc0.blk", dev->name);
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ut_asserteq(-ENODEV, blk_next_device_err(BLKF_FIXED, &dev));
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ut_asserteq(1, blk_count_devices(BLKF_FIXED));
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ut_asserteq(2, blk_count_devices(BLKF_REMOVABLE));
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ut_asserteq(3, blk_count_devices(BLKF_BOTH));
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i = 0;
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blk_foreach_probe(BLKF_FIXED, dev)
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ut_asserteq_str((i++, "mmc2.blk"), dev->name);
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ut_asserteq(1, i);
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i = 0;
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blk_foreach_probe(BLKF_REMOVABLE, dev)
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ut_asserteq_str(i++ ? "mmc0.blk" : "mmc1.blk", dev->name);
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ut_asserteq(2, i);
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i = 0;
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blk_foreach_probe(BLKF_BOTH, dev)
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ut_asserteq_str((++i == 1 ? "mmc2.blk" : i == 2 ?
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"mmc1.blk" : "mmc0.blk"), dev->name);
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ut_asserteq(3, i);
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return 0;
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}
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DM_TEST(dm_test_blk_iter, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test finding fixed/removable block devices */
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static int dm_test_blk_flags(struct unit_test_state *uts)
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{
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struct udevice *dev;
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/* Iterate through devices without probing them */
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ut_assertok(blk_find_first(BLKF_BOTH, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc2.blk", dev->name);
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ut_assertok(blk_find_next(BLKF_BOTH, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc1.blk", dev->name);
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ut_assertok(blk_find_next(BLKF_BOTH, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc0.blk", dev->name);
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ut_asserteq(-ENODEV, blk_find_next(BLKF_BOTH, &dev));
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ut_assertnull(dev);
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/* All devices are removable until probed */
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ut_asserteq(-ENODEV, blk_find_first(BLKF_FIXED, &dev));
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ut_assertok(blk_find_first(BLKF_REMOVABLE, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc2.blk", dev->name);
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/* Now probe them and iterate again */
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ut_assertok(blk_first_device_err(BLKF_BOTH, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc2.blk", dev->name);
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ut_assertok(blk_next_device_err(BLKF_BOTH, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc1.blk", dev->name);
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ut_assertok(blk_next_device_err(BLKF_BOTH, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc0.blk", dev->name);
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ut_asserteq(-ENODEV, blk_next_device_err(BLKF_BOTH, &dev));
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/* Look only for fixed devices */
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ut_assertok(blk_first_device_err(BLKF_FIXED, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc2.blk", dev->name);
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ut_asserteq(-ENODEV, blk_next_device_err(BLKF_FIXED, &dev));
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/* Look only for removable devices */
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ut_assertok(blk_first_device_err(BLKF_REMOVABLE, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc1.blk", dev->name);
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ut_assertok(blk_next_device_err(BLKF_REMOVABLE, &dev));
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ut_assertnonnull(dev);
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ut_asserteq_str("mmc0.blk", dev->name);
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ut_asserteq(-ENODEV, blk_next_device_err(BLKF_REMOVABLE, &dev));
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return 0;
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}
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DM_TEST(dm_test_blk_flags, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test blk_foreach() and friend */
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static int dm_test_blk_foreach(struct unit_test_state *uts)
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{
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struct udevice *dev;
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int found;
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/* Test blk_foreach() - use the 3rd bytes of the name (0/1/2) */
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found = 0;
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blk_foreach(BLKF_BOTH, dev)
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found |= 1 << dectoul(&dev->name[3], NULL);
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ut_asserteq(7, found);
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/* All devices are removable until probed */
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found = 0;
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blk_foreach(BLKF_FIXED, dev)
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found |= 1 << dectoul(&dev->name[3], NULL);
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ut_asserteq(0, found);
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found = 0;
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blk_foreach(BLKF_REMOVABLE, dev)
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found |= 1 << dectoul(&dev->name[3], NULL);
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ut_asserteq(7, found);
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/* Now try again with the probing functions */
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found = 0;
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blk_foreach_probe(BLKF_BOTH, dev)
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found |= 1 << dectoul(&dev->name[3], NULL);
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ut_asserteq(7, found);
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ut_asserteq(3, blk_count_devices(BLKF_BOTH));
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found = 0;
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blk_foreach_probe(BLKF_FIXED, dev)
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found |= 1 << dectoul(&dev->name[3], NULL);
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ut_asserteq(4, found);
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ut_asserteq(1, blk_count_devices(BLKF_FIXED));
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found = 0;
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blk_foreach_probe(BLKF_REMOVABLE, dev)
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found |= 1 << dectoul(&dev->name[3], NULL);
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ut_asserteq(3, found);
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ut_asserteq(2, blk_count_devices(BLKF_REMOVABLE));
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return 0;
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}
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DM_TEST(dm_test_blk_foreach, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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