selftests: ublk: add integrity params test

Add test case null_04 to exercise all the different integrity params. It
creates 4 different ublk devices with different combinations of
integrity arguments and verifies their integrity limits via sysfs and
the metadata_size utility.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Caleb Sander Mateos 2026-01-08 02:19:46 -07:00 committed by Jens Axboe
parent f48250dc5b
commit 9e9f635525
3 changed files with 177 additions and 0 deletions

View File

@ -27,6 +27,7 @@ TEST_PROGS += test_generic_15.sh
TEST_PROGS += test_null_01.sh
TEST_PROGS += test_null_02.sh
TEST_PROGS += test_null_03.sh
TEST_PROGS += test_null_04.sh
TEST_PROGS += test_loop_01.sh
TEST_PROGS += test_loop_02.sh
TEST_PROGS += test_loop_03.sh

View File

@ -384,6 +384,16 @@ _ublk_test_top_dir()
cd "$(dirname "$0")" && pwd
}
METADATA_SIZE_PROG="$(_ublk_test_top_dir)/metadata_size"
_get_metadata_size()
{
local dev_id=$1
local field=$2
"$METADATA_SIZE_PROG" "/dev/ublkb$dev_id" | grep "$field" | grep -o "[0-9]*"
}
UBLK_PROG=$(_ublk_test_top_dir)/kublk
UBLK_TEST_QUIET=1
UBLK_TEST_SHOW_RESULT=1

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@ -0,0 +1,166 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
TID=null_04
_prep_test "null" "integrity params"
dev_id=$(_add_ublk_dev -t null -u --metadata_size 8)
_check_add_dev $TID $?
metadata_size=$(_get_metadata_size "$dev_id" metadata_size)
if [ "$metadata_size" != 8 ]; then
echo "metadata_size $metadata_size != 8"
_show_result $TID 255
fi
pi_offset=$(_get_metadata_size "$dev_id" pi_offset)
if [ "$pi_offset" != 0 ]; then
echo "pi_offset $pi_offset != 0"
_show_result $TID 255
fi
pi_tuple_size=$(_get_metadata_size "$dev_id" pi_tuple_size)
if [ "$pi_tuple_size" != 0 ]; then
echo "pi_tuple_size $pi_tuple_size != 0"
_show_result $TID 255
fi
capable=$(cat "/sys/block/ublkb$dev_id/integrity/device_is_integrity_capable")
if [ "$capable" != 0 ]; then
echo "device_is_integrity_capable $capable != 0"
_show_result $TID 255
fi
format=$(cat "/sys/block/ublkb$dev_id/integrity/format")
if [ "$format" != nop ]; then
echo "format $format != nop"
_show_result $TID 255
fi
protection_interval_bytes=$(cat "/sys/block/ublkb$dev_id/integrity/protection_interval_bytes")
if [ "$protection_interval_bytes" != 512 ]; then
echo "protection_interval_bytes $protection_interval_bytes != 512"
_show_result $TID 255
fi
tag_size=$(cat "/sys/block/ublkb$dev_id/integrity/tag_size")
if [ "$tag_size" != 0 ]; then
echo "tag_size $tag_size != 0"
_show_result $TID 255
fi
_cleanup_test
dev_id=$(_add_ublk_dev -t null -u --integrity_capable --metadata_size 64 --pi_offset 56 --csum_type ip)
_check_add_dev $TID $?
metadata_size=$(_get_metadata_size "$dev_id" metadata_size)
if [ "$metadata_size" != 64 ]; then
echo "metadata_size $metadata_size != 64"
_show_result $TID 255
fi
pi_offset=$(_get_metadata_size "$dev_id" pi_offset)
if [ "$pi_offset" != 56 ]; then
echo "pi_offset $pi_offset != 56"
_show_result $TID 255
fi
pi_tuple_size=$(_get_metadata_size "$dev_id" pi_tuple_size)
if [ "$pi_tuple_size" != 8 ]; then
echo "pi_tuple_size $pi_tuple_size != 8"
_show_result $TID 255
fi
capable=$(cat "/sys/block/ublkb$dev_id/integrity/device_is_integrity_capable")
if [ "$capable" != 1 ]; then
echo "device_is_integrity_capable $capable != 1"
_show_result $TID 255
fi
format=$(cat "/sys/block/ublkb$dev_id/integrity/format")
if [ "$format" != T10-DIF-TYPE3-IP ]; then
echo "format $format != T10-DIF-TYPE3-IP"
_show_result $TID 255
fi
protection_interval_bytes=$(cat "/sys/block/ublkb$dev_id/integrity/protection_interval_bytes")
if [ "$protection_interval_bytes" != 512 ]; then
echo "protection_interval_bytes $protection_interval_bytes != 512"
_show_result $TID 255
fi
tag_size=$(cat "/sys/block/ublkb$dev_id/integrity/tag_size")
if [ "$tag_size" != 0 ]; then
echo "tag_size $tag_size != 0"
_show_result $TID 255
fi
_cleanup_test
dev_id=$(_add_ublk_dev -t null -u --integrity_reftag --metadata_size 8 --csum_type t10dif)
_check_add_dev $TID $?
metadata_size=$(_get_metadata_size "$dev_id" metadata_size)
if [ "$metadata_size" != 8 ]; then
echo "metadata_size $metadata_size != 8"
_show_result $TID 255
fi
pi_offset=$(_get_metadata_size "$dev_id" pi_offset)
if [ "$pi_offset" != 0 ]; then
echo "pi_offset $pi_offset != 0"
_show_result $TID 255
fi
pi_tuple_size=$(_get_metadata_size "$dev_id" pi_tuple_size)
if [ "$pi_tuple_size" != 8 ]; then
echo "pi_tuple_size $pi_tuple_size != 8"
_show_result $TID 255
fi
capable=$(cat "/sys/block/ublkb$dev_id/integrity/device_is_integrity_capable")
if [ "$capable" != 0 ]; then
echo "device_is_integrity_capable $capable != 0"
_show_result $TID 255
fi
format=$(cat "/sys/block/ublkb$dev_id/integrity/format")
if [ "$format" != T10-DIF-TYPE1-CRC ]; then
echo "format $format != T10-DIF-TYPE1-CRC"
_show_result $TID 255
fi
protection_interval_bytes=$(cat "/sys/block/ublkb$dev_id/integrity/protection_interval_bytes")
if [ "$protection_interval_bytes" != 512 ]; then
echo "protection_interval_bytes $protection_interval_bytes != 512"
_show_result $TID 255
fi
tag_size=$(cat "/sys/block/ublkb$dev_id/integrity/tag_size")
if [ "$tag_size" != 0 ]; then
echo "tag_size $tag_size != 0"
_show_result $TID 255
fi
_cleanup_test
dev_id=$(_add_ublk_dev -t null -u --metadata_size 16 --csum_type nvme --tag_size 8)
_check_add_dev $TID $?
metadata_size=$(_get_metadata_size "$dev_id" metadata_size)
if [ "$metadata_size" != 16 ]; then
echo "metadata_size $metadata_size != 16"
_show_result $TID 255
fi
pi_offset=$(_get_metadata_size "$dev_id" pi_offset)
if [ "$pi_offset" != 0 ]; then
echo "pi_offset $pi_offset != 0"
_show_result $TID 255
fi
pi_tuple_size=$(_get_metadata_size "$dev_id" pi_tuple_size)
if [ "$pi_tuple_size" != 16 ]; then
echo "pi_tuple_size $pi_tuple_size != 16"
_show_result $TID 255
fi
capable=$(cat "/sys/block/ublkb$dev_id/integrity/device_is_integrity_capable")
if [ "$capable" != 0 ]; then
echo "device_is_integrity_capable $capable != 0"
_show_result $TID 255
fi
format=$(cat "/sys/block/ublkb$dev_id/integrity/format")
if [ "$format" != EXT-DIF-TYPE3-CRC64 ]; then
echo "format $format != EXT-DIF-TYPE3-CRC64"
_show_result $TID 255
fi
protection_interval_bytes=$(cat "/sys/block/ublkb$dev_id/integrity/protection_interval_bytes")
if [ "$protection_interval_bytes" != 512 ]; then
echo "protection_interval_bytes $protection_interval_bytes != 512"
_show_result $TID 255
fi
tag_size=$(cat "/sys/block/ublkb$dev_id/integrity/tag_size")
if [ "$tag_size" != 8 ]; then
echo "tag_size $tag_size != 8"
_show_result $TID 255
fi
_cleanup_test
_show_result $TID 0