From: Caleb Sander Mateos <csander@purestorage.com>
Date: Thu, 8 Jan 2026 09:19:46 +0000 (-0700)
Subject: selftests: ublk: add integrity params test
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e9f635525b12f055558a7cfe2e54d109839d030;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/tools/testing/selftests/ublk/Makefile b/tools/testing/selftests/ublk/Makefile
index 351ac64385613..239ad1c741ef4 100644
--- a/tools/testing/selftests/ublk/Makefile
+++ b/tools/testing/selftests/ublk/Makefile
@@ -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
diff --git a/tools/testing/selftests/ublk/test_common.sh b/tools/testing/selftests/ublk/test_common.sh
index ea9a5f3eb70ab..7ff6ce79d62c7 100755
--- a/tools/testing/selftests/ublk/test_common.sh
+++ b/tools/testing/selftests/ublk/test_common.sh
@@ -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=$(_ublk_test_top_dir)/kublk
 UBLK_TEST_QUIET=1
 UBLK_TEST_SHOW_RESULT=1
diff --git a/tools/testing/selftests/ublk/test_null_04.sh b/tools/testing/selftests/ublk/test_null_04.sh
new file mode 100755
index 0000000000000..0b0719ea33a31
--- /dev/null
+++ b/tools/testing/selftests/ublk/test_null_04.sh
@@ -0,0 +1,166 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+. "$(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