diff options
Diffstat (limited to 'test/dm/blk.c')
| -rw-r--r-- | test/dm/blk.c | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/test/dm/blk.c b/test/dm/blk.c new file mode 100644 index 00000000000..d03aec32f6c --- /dev/null +++ b/test/dm/blk.c @@ -0,0 +1,336 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015 Google, Inc + */ + +#include <blk.h> +#include <dm.h> +#include <part.h> +#include <sandbox_host.h> +#include <usb.h> +#include <asm/global_data.h> +#include <asm/state.h> +#include <dm/test.h> +#include <test/test.h> +#include <test/ut.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Test that block devices can be created */ +static int dm_test_blk_base(struct unit_test_state *uts) +{ + struct udevice *blk0, *blk1, *dev0, *dev1, *dev, *chk0, *chk1; + + /* Create two, one the parent of the other */ + ut_assertok(host_create_device("test0", false, DEFAULT_BLKSZ, &dev0)); + ut_assertok(host_create_device("test1", false, DEFAULT_BLKSZ, &dev1)); + + /* Check we can find them */ + ut_assertok(blk_get_device(UCLASS_HOST, 0, &blk0)); + ut_assertok(blk_get_from_parent(dev0, &chk0)); + ut_asserteq_ptr(blk0, chk0); + + ut_assertok(blk_get_device(UCLASS_HOST, 1, &blk1)); + ut_assertok(blk_get_from_parent(dev1, &chk1)); + ut_asserteq_ptr(blk1, chk1); + ut_asserteq(-ENODEV, blk_get_device(UCLASS_HOST, 2, &dev0)); + + /* Check we can iterate */ + ut_assertok(blk_first_device(UCLASS_HOST, &dev)); + ut_asserteq_ptr(blk0, dev); + ut_assertok(blk_next_device(&dev)); + ut_asserteq_ptr(blk1, dev); + + return 0; +} +DM_TEST(dm_test_blk_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int count_blk_devices(void) +{ + struct udevice *blk; + struct uclass *uc; + int count = 0; + int ret; + + ret = uclass_get(UCLASS_BLK, &uc); + if (ret) + return ret; + + uclass_foreach_dev(blk, uc) + count++; + + return count; +} + +/* Test that block devices work correctly with USB */ +static int dm_test_blk_usb(struct unit_test_state *uts) +{ + struct udevice *usb_dev, *dev; + struct blk_desc *dev_desc; + + usb_started = false; + + /* Get a flash device */ + state_set_skip_delays(true); + ut_assertok(usb_stop()); + ut_assertok(usb_init()); + ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &usb_dev)); + ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc)); + + /* The parent should be a block device */ + ut_assertok(blk_get_device(UCLASS_USB, 0, &dev)); + ut_asserteq_ptr(usb_dev, dev_get_parent(dev)); + + /* Check we have one block device for each mass storage device */ + ut_asserteq(6, count_blk_devices()); + + /* Now go around again, making sure the old devices were unbound */ + ut_assertok(usb_stop()); + ut_assertok(usb_init()); + ut_asserteq(6, count_blk_devices()); + ut_assertok(usb_stop()); + + return 0; +} +DM_TEST(dm_test_blk_usb, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test that we can find block devices without probing them */ +static int dm_test_blk_find(struct unit_test_state *uts) +{ + struct udevice *blk, *chk, *dev; + + ut_assertok(host_create_device("test0", false, DEFAULT_BLKSZ, &dev)); + + ut_assertok(blk_find_device(UCLASS_HOST, 0, &chk)); + ut_assertok(device_find_first_child_by_uclass(dev, UCLASS_BLK, &blk)); + ut_asserteq_ptr(chk, blk); + ut_asserteq(false, device_active(dev)); + ut_asserteq(-ENODEV, blk_find_device(UCLASS_HOST, 1, &dev)); + + /* Now activate it */ + ut_assertok(blk_get_device(UCLASS_HOST, 0, &blk)); + ut_asserteq_ptr(chk, blk); + ut_asserteq(true, device_active(blk)); + + return 0; +} +DM_TEST(dm_test_blk_find, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test that block device numbering works as expected */ +static int dm_test_blk_devnum(struct unit_test_state *uts) +{ + struct udevice *dev, *mmc_dev, *parent; + int i; + + /* + * Probe the devices, with the first one being probed last. This is the + * one with no alias / sequence number. + */ + ut_assertok(uclass_get_device(UCLASS_MMC, 1, &dev)); + ut_assertok(uclass_get_device(UCLASS_MMC, 2, &dev)); + ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev)); + for (i = 0; i < 3; i++) { + struct blk_desc *desc; + + /* Check that the bblock device is attached */ + ut_assertok(uclass_get_device_by_seq(UCLASS_MMC, i, &mmc_dev)); + ut_assertok(blk_find_device(UCLASS_MMC, i, &dev)); + parent = dev_get_parent(dev); + ut_asserteq_ptr(parent, mmc_dev); + ut_asserteq(trailing_strtol(mmc_dev->name), i); + + /* + * Check that the block device devnum matches its parent's + * sequence number + */ + desc = dev_get_uclass_plat(dev); + ut_asserteq(desc->devnum, i); + } + + return 0; +} +DM_TEST(dm_test_blk_devnum, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test that we can get a block from its parent */ +static int dm_test_blk_get_from_parent(struct unit_test_state *uts) +{ + struct udevice *dev, *blk; + + ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev)); + ut_assertok(blk_get_from_parent(dev, &blk)); + + ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev)); + ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk)); + + ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev)); + ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk)); + + return 0; +} +DM_TEST(dm_test_blk_get_from_parent, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test iteration through block devices */ +static int dm_test_blk_iter(struct unit_test_state *uts) +{ + struct udevice *dev; + int i; + + /* + * See sandbox test.dts - it has: + * + * mmc0 - removable + * mmc1 - removable + * mmc2 - fixed + */ + ut_assertok(blk_first_device_err(BLKF_FIXED, &dev)); + ut_asserteq_str("mmc2.blk", dev->name); + ut_asserteq(-ENODEV, blk_next_device_err(BLKF_FIXED, &dev)); + + ut_assertok(blk_first_device_err(BLKF_REMOVABLE, &dev)); + ut_asserteq_str("mmc1.blk", dev->name); + ut_assertok(blk_next_device_err(BLKF_REMOVABLE, &dev)); + ut_asserteq_str("mmc0.blk", dev->name); + ut_asserteq(-ENODEV, blk_next_device_err(BLKF_REMOVABLE, &dev)); + + ut_assertok(blk_first_device_err(BLKF_BOTH, &dev)); + ut_asserteq_str("mmc2.blk", dev->name); + ut_assertok(blk_next_device_err(BLKF_BOTH, &dev)); + ut_asserteq_str("mmc1.blk", dev->name); + ut_assertok(blk_next_device_err(BLKF_BOTH, &dev)); + ut_asserteq_str("mmc0.blk", dev->name); + ut_asserteq(-ENODEV, blk_next_device_err(BLKF_FIXED, &dev)); + + ut_asserteq(1, blk_count_devices(BLKF_FIXED)); + ut_asserteq(2, blk_count_devices(BLKF_REMOVABLE)); + ut_asserteq(3, blk_count_devices(BLKF_BOTH)); + + i = 0; + blk_foreach_probe(BLKF_FIXED, dev) + ut_asserteq_str((i++, "mmc2.blk"), dev->name); + ut_asserteq(1, i); + + i = 0; + blk_foreach_probe(BLKF_REMOVABLE, dev) + ut_asserteq_str(i++ ? "mmc0.blk" : "mmc1.blk", dev->name); + ut_asserteq(2, i); + + i = 0; + blk_foreach_probe(BLKF_BOTH, dev) + ut_asserteq_str((++i == 1 ? "mmc2.blk" : i == 2 ? + "mmc1.blk" : "mmc0.blk"), dev->name); + ut_asserteq(3, i); + + return 0; +} +DM_TEST(dm_test_blk_iter, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test finding fixed/removable block devices */ +static int dm_test_blk_flags(struct unit_test_state *uts) +{ + struct udevice *dev; + + /* Iterate through devices without probing them */ + ut_assertok(blk_find_first(BLKF_BOTH, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc2.blk", dev->name); + + ut_assertok(blk_find_next(BLKF_BOTH, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc1.blk", dev->name); + + ut_assertok(blk_find_next(BLKF_BOTH, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc0.blk", dev->name); + + ut_asserteq(-ENODEV, blk_find_next(BLKF_BOTH, &dev)); + ut_assertnull(dev); + + /* All devices are removable until probed */ + ut_asserteq(-ENODEV, blk_find_first(BLKF_FIXED, &dev)); + + ut_assertok(blk_find_first(BLKF_REMOVABLE, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc2.blk", dev->name); + + /* Now probe them and iterate again */ + ut_assertok(blk_first_device_err(BLKF_BOTH, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc2.blk", dev->name); + + ut_assertok(blk_next_device_err(BLKF_BOTH, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc1.blk", dev->name); + + ut_assertok(blk_next_device_err(BLKF_BOTH, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc0.blk", dev->name); + + ut_asserteq(-ENODEV, blk_next_device_err(BLKF_BOTH, &dev)); + + /* Look only for fixed devices */ + ut_assertok(blk_first_device_err(BLKF_FIXED, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc2.blk", dev->name); + + ut_asserteq(-ENODEV, blk_next_device_err(BLKF_FIXED, &dev)); + + /* Look only for removable devices */ + ut_assertok(blk_first_device_err(BLKF_REMOVABLE, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc1.blk", dev->name); + + ut_assertok(blk_next_device_err(BLKF_REMOVABLE, &dev)); + ut_assertnonnull(dev); + ut_asserteq_str("mmc0.blk", dev->name); + + ut_asserteq(-ENODEV, blk_next_device_err(BLKF_REMOVABLE, &dev)); + + return 0; +} +DM_TEST(dm_test_blk_flags, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test blk_foreach() and friend */ +static int dm_test_blk_foreach(struct unit_test_state *uts) +{ + struct udevice *dev; + int found; + + /* Test blk_foreach() - use the 3rd bytes of the name (0/1/2) */ + found = 0; + blk_foreach(BLKF_BOTH, dev) + found |= 1 << dectoul(&dev->name[3], NULL); + ut_asserteq(7, found); + + /* All devices are removable until probed */ + found = 0; + blk_foreach(BLKF_FIXED, dev) + found |= 1 << dectoul(&dev->name[3], NULL); + ut_asserteq(0, found); + + found = 0; + blk_foreach(BLKF_REMOVABLE, dev) + found |= 1 << dectoul(&dev->name[3], NULL); + ut_asserteq(7, found); + + /* Now try again with the probing functions */ + found = 0; + blk_foreach_probe(BLKF_BOTH, dev) + found |= 1 << dectoul(&dev->name[3], NULL); + ut_asserteq(7, found); + ut_asserteq(3, blk_count_devices(BLKF_BOTH)); + + found = 0; + blk_foreach_probe(BLKF_FIXED, dev) + found |= 1 << dectoul(&dev->name[3], NULL); + ut_asserteq(4, found); + ut_asserteq(1, blk_count_devices(BLKF_FIXED)); + + found = 0; + blk_foreach_probe(BLKF_REMOVABLE, dev) + found |= 1 << dectoul(&dev->name[3], NULL); + ut_asserteq(3, found); + ut_asserteq(2, blk_count_devices(BLKF_REMOVABLE)); + + return 0; +} +DM_TEST(dm_test_blk_foreach, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |