diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | configs/sandbox_defconfig | 1 | ||||
| -rw-r--r-- | test/dm/Makefile | 1 | ||||
| -rw-r--r-- | test/dm/blkmap.c | 201 |
4 files changed, 204 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index e0a1f8c..ec8b149 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -799,6 +799,7 @@ S: Maintained F: cmd/blkmap.c F: drivers/block/blkmap.c F: include/blkmap.h +F: test/dm/blkmap.c BOOTDEVICE M: Simon Glass <sjg@chromium.org> diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index cbace25..3a1f14c 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -147,6 +147,7 @@ CONFIG_ADC=y CONFIG_ADC_SANDBOX=y CONFIG_AXI=y CONFIG_AXI_SANDBOX=y +CONFIG_BLKMAP=y CONFIG_SYS_IDE_MAXBUS=1 CONFIG_SYS_ATA_BASE_ADDR=0x100 CONFIG_SYS_ATA_STRIDE=4 diff --git a/test/dm/Makefile b/test/dm/Makefile index 7a79b6e..e15bdbf 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_ADC) += adc.o obj-$(CONFIG_SOUND) += audio.o obj-$(CONFIG_AXI) += axi.o obj-$(CONFIG_BLK) += blk.o +obj-$(CONFIG_BLKMAP) += blkmap.o obj-$(CONFIG_BUTTON) += button.o obj-$(CONFIG_DM_BOOTCOUNT) += bootcount.o obj-$(CONFIG_DM_REBOOT_MODE) += reboot-mode.o diff --git a/test/dm/blkmap.c b/test/dm/blkmap.c new file mode 100644 index 0000000..7a163d6 --- /dev/null +++ b/test/dm/blkmap.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2023 Addiva Elektronik + * Author: Tobias Waldekranz <tobias@waldekranz.com> + */ + +#include <common.h> +#include <blk.h> +#include <blkmap.h> +#include <dm.h> +#include <asm/test.h> +#include <dm/test.h> +#include <test/test.h> +#include <test/ut.h> + +#define BLKSZ 0x200 + +struct mapping { + int src; + int cnt; + int dst; +}; + +const struct mapping unordered_mapping[] = { + { 0, 1, 3 }, + { 1, 3, 0 }, + { 4, 2, 6 }, + { 6, 2, 4 }, + + { 0, 0, 0 } +}; + +const struct mapping identity_mapping[] = { + { 0, 8, 0 }, + + { 0, 0, 0 } +}; + +static char identity[8 * BLKSZ]; +static char unordered[8 * BLKSZ]; +static char buffer[8 * BLKSZ]; + +static void mkblob(void *base, const struct mapping *m) +{ + int nr; + + for (; m->cnt; m++) { + for (nr = 0; nr < m->cnt; nr++) { + memset(base + (m->dst + nr) * BLKSZ, + m->src + nr, BLKSZ); + } + } +} + +static int dm_test_blkmap_read(struct unit_test_state *uts) +{ + struct udevice *dev, *blk; + const struct mapping *m; + + ut_assertok(blkmap_create("rdtest", &dev)); + ut_assertok(blk_get_from_parent(dev, &blk)); + + /* Generate an ordered and an unordered pattern in memory */ + mkblob(unordered, unordered_mapping); + mkblob(identity, identity_mapping); + + /* Create a blkmap that cancels out the disorder */ + for (m = unordered_mapping; m->cnt; m++) { + ut_assertok(blkmap_map_mem(dev, m->src, m->cnt, + unordered + m->dst * BLKSZ)); + } + + /* Read out the data via the blkmap device to another area, + * and verify that it matches the ordered pattern. + */ + ut_asserteq(8, blk_read(blk, 0, 8, buffer)); + ut_assertok(memcmp(buffer, identity, sizeof(buffer))); + + ut_assertok(blkmap_destroy(dev)); + return 0; +} +DM_TEST(dm_test_blkmap_read, 0); + +static int dm_test_blkmap_write(struct unit_test_state *uts) +{ + struct udevice *dev, *blk; + const struct mapping *m; + + ut_assertok(blkmap_create("wrtest", &dev)); + ut_assertok(blk_get_from_parent(dev, &blk)); + + /* Generate an ordered and an unordered pattern in memory */ + mkblob(unordered, unordered_mapping); + mkblob(identity, identity_mapping); + + /* Create a blkmap that mimics the disorder */ + for (m = unordered_mapping; m->cnt; m++) { + ut_assertok(blkmap_map_mem(dev, m->src, m->cnt, + buffer + m->dst * BLKSZ)); + } + + /* Write the ordered data via the blkmap device to another + * area, and verify that the result matches the unordered + * pattern. + */ + ut_asserteq(8, blk_write(blk, 0, 8, identity)); + ut_assertok(memcmp(buffer, unordered, sizeof(buffer))); + + ut_assertok(blkmap_destroy(dev)); + return 0; +} +DM_TEST(dm_test_blkmap_write, 0); + +static int dm_test_blkmap_slicing(struct unit_test_state *uts) +{ + struct udevice *dev; + + ut_assertok(blkmap_create("slicetest", &dev)); + + ut_assertok(blkmap_map_mem(dev, 8, 8, NULL)); + + /* Can't overlap on the low end */ + ut_asserteq(-EBUSY, blkmap_map_mem(dev, 4, 5, NULL)); + /* Can't be inside */ + ut_asserteq(-EBUSY, blkmap_map_mem(dev, 10, 2, NULL)); + /* Can't overlap on the high end */ + ut_asserteq(-EBUSY, blkmap_map_mem(dev, 15, 4, NULL)); + + /* But we should be able to add slices right before and + * after + */ + ut_assertok(blkmap_map_mem(dev, 4, 4, NULL)); + ut_assertok(blkmap_map_mem(dev, 16, 4, NULL)); + + ut_assertok(blkmap_destroy(dev)); + return 0; +} +DM_TEST(dm_test_blkmap_slicing, 0); + +static int dm_test_blkmap_creation(struct unit_test_state *uts) +{ + struct udevice *first, *second; + + ut_assertok(blkmap_create("first", &first)); + + /* Can't have two "first"s */ + ut_asserteq(-EBUSY, blkmap_create("first", &second)); + + /* But "second" should be fine */ + ut_assertok(blkmap_create("second", &second)); + + /* Once "first" is destroyed, we should be able to create it + * again + */ + ut_assertok(blkmap_destroy(first)); + ut_assertok(blkmap_create("first", &first)); + + ut_assertok(blkmap_destroy(first)); + ut_assertok(blkmap_destroy(second)); + return 0; +} +DM_TEST(dm_test_blkmap_creation, 0); + +static int dm_test_cmd_blkmap(struct unit_test_state *uts) +{ + ulong loadaddr = env_get_hex("loadaddr", 0); + struct udevice *dev; + + console_record_reset(); + + ut_assertok(run_command("blkmap info", 0)); + ut_assert_console_end(); + + ut_assertok(run_command("blkmap create ramdisk", 0)); + ut_assert_nextline("Created \"ramdisk\""); + ut_assert_console_end(); + + ut_assertnonnull((dev = blkmap_from_label("ramdisk"))); + + ut_assertok(run_commandf("blkmap map ramdisk 0 800 mem 0x%lx", loadaddr)); + ut_assert_nextline("Block 0x0+0x800 mapped to 0x%lx", loadaddr); + ut_assert_console_end(); + + ut_assertok(run_command("blkmap info", 0)); + ut_assert_nextline("Device 0: Vendor: U-Boot Rev: 1.0 Prod: blkmap"); + ut_assert_nextline(" Type: Hard Disk"); + ut_assert_nextline(" Capacity: 1.0 MB = 0.0 GB (2048 x 512)"); + ut_assert_console_end(); + + ut_assertok(run_command("blkmap get ramdisk dev devnum", 0)); + ut_asserteq(dev_seq(dev), env_get_hex("devnum", 0xdeadbeef)); + + ut_assertok(run_command("blkmap destroy ramdisk", 0)); + ut_assert_nextline("Destroyed \"ramdisk\""); + ut_assert_console_end(); + + ut_assertok(run_command("blkmap info", 0)); + ut_assert_console_end(); + return 0; +} +DM_TEST(dm_test_cmd_blkmap, 0); |