[PATCH 1/1] cmd: blkls: Add blkls command

Add a command to print a list of available block device drivers, and for each, the list of known block devices.
Signed-off-by: Niel Fourie lusus@denx.de --- cmd/Kconfig | 8 ++++ cmd/Makefile | 1 + cmd/lsblk.c | 83 +++++++++++++++++++++++++++++++++++++ test/py/tests/test_lsblk.py | 23 ++++++++++ 4 files changed, 115 insertions(+) create mode 100644 cmd/lsblk.c create mode 100644 test/py/tests/test_lsblk.py
diff --git a/cmd/Kconfig b/cmd/Kconfig index 6403bc45a5..ee6ff467ae 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1047,6 +1047,14 @@ config CMD_LOADS help Load an S-Record file over serial line
+config CMD_LSBLK + depends on HAVE_BLOCK_DEVICE + bool "lsblk - list block drivers and devices" + default n + help + Print list of available block device drivers, and for each, the list + of known block devices. + config CMD_MMC bool "mmc" help diff --git a/cmd/Makefile b/cmd/Makefile index f1dd513a4b..6f80974a55 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -83,6 +83,7 @@ obj-$(CONFIG_CMD_LED) += led.o obj-$(CONFIG_CMD_LICENSE) += license.o obj-y += load.o obj-$(CONFIG_CMD_LOG) += log.o +obj-$(CONFIG_CMD_LSBLK) += lsblk.o obj-$(CONFIG_ID_EEPROM) += mac.o obj-$(CONFIG_CMD_MD5SUM) += md5sum.o obj-$(CONFIG_CMD_MEMORY) += mem.o diff --git a/cmd/lsblk.c b/cmd/lsblk.c new file mode 100644 index 0000000000..575a1c9277 --- /dev/null +++ b/cmd/lsblk.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2020 + * Niel Fourie, DENX Software Engineering, lusus@denx.de. + */ + +#include <config.h> +#include <common.h> +#include <dm/uclass.h> +#include <dm/device.h> + +#if CONFIG_IS_ENABLED(HAVE_BLOCK_DEVICE) +#if CONFIG_IS_ENABLED(BLK) +static int do_lsblk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct driver *d = ll_entry_start(struct driver, driver); + const int n_ents = ll_entry_count(struct driver, driver); + struct driver *entry; + struct udevice *udev; + struct uclass *uc; + struct blk_desc *desc; + int i; + + puts("Block Driver Devices\n"); + puts("-----------------------------\n"); + uclass_get(UCLASS_BLK, &uc); + for (entry = d; entry < d + n_ents; entry++) { + if (entry->id != UCLASS_BLK) + continue; + i = 0; + printf("%-20.20s", entry->name); + uclass_foreach_dev(udev, uc) { + if (udev->driver != entry) + continue; + desc = dev_get_uclass_platdata(udev); + printf("%c %s %u", i ? ',' : ':', + blk_get_if_type_name(desc->if_type), + desc->devnum); + i++; + } + if (!i) + puts(": <none>"); + puts("\n"); + } + return CMD_RET_SUCCESS; +} +#else +static int do_lsblk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct blk_driver *drv = ll_entry_start(struct blk_driver, blk_driver); + const int n_ents = ll_entry_count(struct blk_driver, blk_driver); + struct blk_driver *entry; + struct blk_desc *desc; + int i, j; + + puts("Block Driver Devices\n"); + puts("-----------------------------\n"); + for (entry = drv; entry != drv + n_ents; entry++) { + i = 0; + printf("%-20.20s", entry->if_typename); + for (j = 0; j < entry->max_devs; j++) { + desc = &entry->desc[j]; + if (!entry->get_dev) + continue; + if (entry->get_dev(j, &desc)) + continue; + if (desc->type == DEV_TYPE_UNKNOWN) + continue; + printf("%c %s %u", i ? ',' : ':', entry->if_typename, + desc->devnum); + i++; + } + if (!i) + puts(": <none>"); + puts("\n"); + } + return CMD_RET_SUCCESS; +} +#endif /* CONFIG_IS_ENABLED(BLK) */ +U_BOOT_CMD(lsblk, 1, 0, do_lsblk, "list block drivers and devices", + "- display list of block device drivers and attached block devices" +); +#endif /* CONFIG_IS_ENABLED(HAVE_BLOCK_DEVICE) */ diff --git a/test/py/tests/test_lsblk.py b/test/py/tests/test_lsblk.py new file mode 100644 index 0000000000..f4b36b581e --- /dev/null +++ b/test/py/tests/test_lsblk.py @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2020 +# Niel Fourie, DENX Software Engineering, lusus@denx.de + +import pytest + +@pytest.mark.buildconfigspec('have_block_device') +@pytest.mark.buildconfigspec('blk') +@pytest.mark.buildconfigspec('cmd_lsblk') +def test_lsblk(u_boot_console): + """Test that `lsblk` prints a result which includes `host`.""" + output = u_boot_console.run_command('lsblk') + assert "Block Driver" in output + assert "sandbox_host_blk" in output + +@pytest.mark.buildconfigspec('have_block_device') +@pytest.mark.notbuildconfigspec('blk') +@pytest.mark.buildconfigspec('cmd_lsblk') +def test_lsblk_legacy(u_boot_console): + """Test that `lsblk` prints a result which includes `host`.""" + output = u_boot_console.run_command('lsblk') + assert "Block Driver" in output + assert "host" in output

Hi Niel,
On 25.03.20 14:46, Niel Fourie wrote:
Add a command to print a list of available block device drivers, and for each, the list of known block devices.
Signed-off-by: Niel Fourie lusus@denx.de
cmd/Kconfig | 8 ++++ cmd/Makefile | 1 + cmd/lsblk.c | 83 +++++++++++++++++++++++++++++++++++++ test/py/tests/test_lsblk.py | 23 ++++++++++ 4 files changed, 115 insertions(+) create mode 100644 cmd/lsblk.c create mode 100644 test/py/tests/test_lsblk.py
diff --git a/cmd/Kconfig b/cmd/Kconfig index 6403bc45a5..ee6ff467ae 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1047,6 +1047,14 @@ config CMD_LOADS help Load an S-Record file over serial line
+config CMD_LSBLK
- depends on HAVE_BLOCK_DEVICE
You depend on CONFIG_HAVE_BLOCK_DEVICE here...
- bool "lsblk - list block drivers and devices"
- default n
- help
Print list of available block device drivers, and for each, the list
of known block devices.
- config CMD_MMC bool "mmc" help
diff --git a/cmd/Makefile b/cmd/Makefile index f1dd513a4b..6f80974a55 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -83,6 +83,7 @@ obj-$(CONFIG_CMD_LED) += led.o obj-$(CONFIG_CMD_LICENSE) += license.o obj-y += load.o obj-$(CONFIG_CMD_LOG) += log.o +obj-$(CONFIG_CMD_LSBLK) += lsblk.o obj-$(CONFIG_ID_EEPROM) += mac.o obj-$(CONFIG_CMD_MD5SUM) += md5sum.o obj-$(CONFIG_CMD_MEMORY) += mem.o diff --git a/cmd/lsblk.c b/cmd/lsblk.c new file mode 100644 index 0000000000..575a1c9277 --- /dev/null +++ b/cmd/lsblk.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0+ +/*
- (C) Copyright 2020
- Niel Fourie, DENX Software Engineering, lusus@denx.de.
- */
+#include <config.h> +#include <common.h> +#include <dm/uclass.h> +#include <dm/device.h>
+#if CONFIG_IS_ENABLED(HAVE_BLOCK_DEVICE)
... so this #ifdef should not be necessary, right?
Thanks, Stefan
+#if CONFIG_IS_ENABLED(BLK) +static int do_lsblk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{
- struct driver *d = ll_entry_start(struct driver, driver);
- const int n_ents = ll_entry_count(struct driver, driver);
- struct driver *entry;
- struct udevice *udev;
- struct uclass *uc;
- struct blk_desc *desc;
- int i;
- puts("Block Driver Devices\n");
- puts("-----------------------------\n");
- uclass_get(UCLASS_BLK, &uc);
- for (entry = d; entry < d + n_ents; entry++) {
if (entry->id != UCLASS_BLK)
continue;
i = 0;
printf("%-20.20s", entry->name);
uclass_foreach_dev(udev, uc) {
if (udev->driver != entry)
continue;
desc = dev_get_uclass_platdata(udev);
printf("%c %s %u", i ? ',' : ':',
blk_get_if_type_name(desc->if_type),
desc->devnum);
i++;
}
if (!i)
puts(": <none>");
puts("\n");
- }
- return CMD_RET_SUCCESS;
+} +#else +static int do_lsblk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{
- struct blk_driver *drv = ll_entry_start(struct blk_driver, blk_driver);
- const int n_ents = ll_entry_count(struct blk_driver, blk_driver);
- struct blk_driver *entry;
- struct blk_desc *desc;
- int i, j;
- puts("Block Driver Devices\n");
- puts("-----------------------------\n");
- for (entry = drv; entry != drv + n_ents; entry++) {
i = 0;
printf("%-20.20s", entry->if_typename);
for (j = 0; j < entry->max_devs; j++) {
desc = &entry->desc[j];
if (!entry->get_dev)
continue;
if (entry->get_dev(j, &desc))
continue;
if (desc->type == DEV_TYPE_UNKNOWN)
continue;
printf("%c %s %u", i ? ',' : ':', entry->if_typename,
desc->devnum);
i++;
}
if (!i)
puts(": <none>");
puts("\n");
- }
- return CMD_RET_SUCCESS;
+} +#endif /* CONFIG_IS_ENABLED(BLK) */ +U_BOOT_CMD(lsblk, 1, 0, do_lsblk, "list block drivers and devices",
"- display list of block device drivers and attached block devices"
+); +#endif /* CONFIG_IS_ENABLED(HAVE_BLOCK_DEVICE) */ diff --git a/test/py/tests/test_lsblk.py b/test/py/tests/test_lsblk.py new file mode 100644 index 0000000000..f4b36b581e --- /dev/null +++ b/test/py/tests/test_lsblk.py @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2020 +# Niel Fourie, DENX Software Engineering, lusus@denx.de
+import pytest
+@pytest.mark.buildconfigspec('have_block_device') +@pytest.mark.buildconfigspec('blk') +@pytest.mark.buildconfigspec('cmd_lsblk') +def test_lsblk(u_boot_console):
- """Test that `lsblk` prints a result which includes `host`."""
- output = u_boot_console.run_command('lsblk')
- assert "Block Driver" in output
- assert "sandbox_host_blk" in output
+@pytest.mark.buildconfigspec('have_block_device') +@pytest.mark.notbuildconfigspec('blk') +@pytest.mark.buildconfigspec('cmd_lsblk') +def test_lsblk_legacy(u_boot_console):
- """Test that `lsblk` prints a result which includes `host`."""
- output = u_boot_console.run_command('lsblk')
- assert "Block Driver" in output
- assert "host" in output

Hi Stefan,
On 3/25/20 3:13 PM, Stefan Roese wrote:
+config CMD_LSBLK + depends on HAVE_BLOCK_DEVICE
You depend on CONFIG_HAVE_BLOCK_DEVICE here...
+#if CONFIG_IS_ENABLED(HAVE_BLOCK_DEVICE)
... so this #ifdef should not be necessary, right?
Oops, you are right... I forgot to take out the #ifdef after adding the Kconfig dependency. Will fix. Well spotted, thanks!
Best regards, Niel Fourie

Hi Niel,
On Wed, 25 Mar 2020 at 07:46, Niel Fourie lusus@denx.de wrote:
Add a command to print a list of available block device drivers, and for each, the list of known block devices.
Signed-off-by: Niel Fourie lusus@denx.de
cmd/Kconfig | 8 ++++ cmd/Makefile | 1 + cmd/lsblk.c | 83 +++++++++++++++++++++++++++++++++++++ test/py/tests/test_lsblk.py | 23 ++++++++++ 4 files changed, 115 insertions(+) create mode 100644 cmd/lsblk.c create mode 100644 test/py/tests/test_lsblk.py
diff --git a/cmd/Kconfig b/cmd/Kconfig index 6403bc45a5..ee6ff467ae 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1047,6 +1047,14 @@ config CMD_LOADS help Load an S-Record file over serial line
+config CMD_LSBLK
depends on HAVE_BLOCK_DEVICE
depends on BLK
(the migration date has passed so we MUST NOT add new features that don't use BLK)
bool "lsblk - list block drivers and devices"
default n
help
Print list of available block device drivers, and for each, the list
of known block devices.
config CMD_MMC bool "mmc" help diff --git a/cmd/Makefile b/cmd/Makefile index f1dd513a4b..6f80974a55 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -83,6 +83,7 @@ obj-$(CONFIG_CMD_LED) += led.o obj-$(CONFIG_CMD_LICENSE) += license.o obj-y += load.o obj-$(CONFIG_CMD_LOG) += log.o +obj-$(CONFIG_CMD_LSBLK) += lsblk.o obj-$(CONFIG_ID_EEPROM) += mac.o obj-$(CONFIG_CMD_MD5SUM) += md5sum.o obj-$(CONFIG_CMD_MEMORY) += mem.o diff --git a/cmd/lsblk.c b/cmd/lsblk.c new file mode 100644 index 0000000000..575a1c9277 --- /dev/null +++ b/cmd/lsblk.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0+ +/*
- (C) Copyright 2020
- Niel Fourie, DENX Software Engineering, lusus@denx.de.
- */
+#include <config.h> +#include <common.h> +#include <dm/uclass.h> +#include <dm/device.h>
+#if CONFIG_IS_ENABLED(HAVE_BLOCK_DEVICE) +#if CONFIG_IS_ENABLED(BLK)
drop these I think
+static int do_lsblk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{
struct driver *d = ll_entry_start(struct driver, driver);
const int n_ents = ll_entry_count(struct driver, driver);
struct driver *entry;
struct udevice *udev;
struct uclass *uc;
struct blk_desc *desc;
int i;
puts("Block Driver Devices\n");
puts("-----------------------------\n");
uclass_get(UCLASS_BLK, &uc);
Check return value
for (entry = d; entry < d + n_ents; entry++) {
if (entry->id != UCLASS_BLK)
continue;
i = 0;
printf("%-20.20s", entry->name);
uclass_foreach_dev(udev, uc) {
if (udev->driver != entry)
continue;
desc = dev_get_uclass_platdata(udev);
printf("%c %s %u", i ? ',' : ':',
blk_get_if_type_name(desc->if_type),
desc->devnum);
i++;
}
if (!i)
puts(": <none>");
puts("\n");
}
return CMD_RET_SUCCESS;
+} +#else +static int do_lsblk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
Drop this function
+{
struct blk_driver *drv = ll_entry_start(struct blk_driver, blk_driver);
const int n_ents = ll_entry_count(struct blk_driver, blk_driver);
struct blk_driver *entry;
struct blk_desc *desc;
int i, j;
puts("Block Driver Devices\n");
puts("-----------------------------\n");
for (entry = drv; entry != drv + n_ents; entry++) {
i = 0;
printf("%-20.20s", entry->if_typename);
for (j = 0; j < entry->max_devs; j++) {
desc = &entry->desc[j];
if (!entry->get_dev)
continue;
if (entry->get_dev(j, &desc))
continue;
if (desc->type == DEV_TYPE_UNKNOWN)
continue;
printf("%c %s %u", i ? ',' : ':', entry->if_typename,
desc->devnum);
i++;
}
if (!i)
puts(": <none>");
puts("\n");
}
return CMD_RET_SUCCESS;
+} +#endif /* CONFIG_IS_ENABLED(BLK) */ +U_BOOT_CMD(lsblk, 1, 0, do_lsblk, "list block drivers and devices",
"- display list of block device drivers and attached block devices"
+); +#endif /* CONFIG_IS_ENABLED(HAVE_BLOCK_DEVICE) */ diff --git a/test/py/tests/test_lsblk.py b/test/py/tests/test_lsblk.py new file mode 100644 index 0000000000..f4b36b581e --- /dev/null +++ b/test/py/tests/test_lsblk.py @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2020 +# Niel Fourie, DENX Software Engineering, lusus@denx.de
+import pytest
+@pytest.mark.buildconfigspec('have_block_device') +@pytest.mark.buildconfigspec('blk') +@pytest.mark.buildconfigspec('cmd_lsblk') +def test_lsblk(u_boot_console):
- """Test that `lsblk` prints a result which includes `host`."""
- output = u_boot_console.run_command('lsblk')
- assert "Block Driver" in output
- assert "sandbox_host_blk" in output
+@pytest.mark.buildconfigspec('have_block_device') +@pytest.mark.notbuildconfigspec('blk') +@pytest.mark.buildconfigspec('cmd_lsblk') +def test_lsblk_legacy(u_boot_console):
- """Test that `lsblk` prints a result which includes `host`."""
- output = u_boot_console.run_command('lsblk')
- assert "Block Driver" in output
- assert "host" in output
Drop this test
-- 2.25.1
Regards, Simon
participants (3)
-
Niel Fourie
-
Simon Glass
-
Stefan Roese