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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
if ! _have_program fio; then
exit $UBLK_SKIP_CODE
fi
fio_version=$(fio --version)
if [[ "$fio_version" =~ fio-[0-9]+\.[0-9]+$ ]]; then
echo "Requires development fio version with https://github.com/axboe/fio/pull/1992"
exit $UBLK_SKIP_CODE
fi
ERR_CODE=0
# Global variables set during device setup
dev_id=""
fio_args=""
fio_err=""
_setup_device() {
_create_backfile 0 256M
_create_backfile 1 32M # 256M * (64 integrity bytes / 512 data bytes)
local integrity_params="--integrity_capable --integrity_reftag
--metadata_size 64 --pi_offset 56 --csum_type t10dif"
dev_id=$(_add_ublk_dev -t loop -u $integrity_params "${UBLK_BACKFILES[@]}")
_check_add_dev "$TID" $?
# 1M * (64 integrity bytes / 512 data bytes) = 128K
fio_args="--ioengine io_uring --direct 1 --bsrange 512-1M --iodepth 32
--md_per_io_size 128K --pi_act 0 --pi_chk GUARD,REFTAG,APPTAG
--filename /dev/ublkb$dev_id"
fio_err=$(mktemp "${UBLK_TEST_DIR}"/fio_err_XXXXX)
}
_test_fill_and_verify() {
fio --name fill --rw randwrite $fio_args > /dev/null
if [ $? != 0 ]; then
echo "fio fill failed"
ERR_CODE=255
return 1
fi
fio --name verify --rw randread $fio_args > /dev/null
if [ $? != 0 ]; then
echo "fio verify failed"
ERR_CODE=255
return 1
fi
}
_test_corrupted_reftag() {
local dd_reftag_args="bs=1 seek=60 count=4 oflag=dsync conv=notrunc status=none"
local expected_err="REFTAG compare error: LBA: 0 Expected=0, Actual="
# Overwrite 4-byte reftag at offset 56 + 4 = 60
dd if=/dev/urandom "of=${UBLK_BACKFILES[1]}" $dd_reftag_args
if [ $? != 0 ]; then
echo "dd corrupted_reftag failed"
ERR_CODE=255
return 1
fi
if fio --name corrupted_reftag --rw randread $fio_args > /dev/null 2> "$fio_err"; then
echo "fio corrupted_reftag unexpectedly succeeded"
ERR_CODE=255
return 1
fi
if ! grep -q "$expected_err" "$fio_err"; then
echo "fio corrupted_reftag message not found: $expected_err"
ERR_CODE=255
return 1
fi
# Reset to 0
dd if=/dev/zero "of=${UBLK_BACKFILES[1]}" $dd_reftag_args
if [ $? != 0 ]; then
echo "dd restore corrupted_reftag failed"
ERR_CODE=255
return 1
fi
}
_test_corrupted_data() {
local dd_data_args="bs=512 count=1 oflag=direct,dsync conv=notrunc status=none"
local expected_err="Guard compare error: LBA: 0 Expected=0, Actual="
dd if=/dev/zero "of=${UBLK_BACKFILES[0]}" $dd_data_args
if [ $? != 0 ]; then
echo "dd corrupted_data failed"
ERR_CODE=255
return 1
fi
if fio --name corrupted_data --rw randread $fio_args > /dev/null 2> "$fio_err"; then
echo "fio corrupted_data unexpectedly succeeded"
ERR_CODE=255
return 1
fi
if ! grep -q "$expected_err" "$fio_err"; then
echo "fio corrupted_data message not found: $expected_err"
ERR_CODE=255
return 1
fi
}
_test_bad_apptag() {
local expected_err="APPTAG compare error: LBA: [0-9]* Expected=4321, Actual=1234"
if fio --name bad_apptag --rw randread $fio_args --apptag 0x4321 > /dev/null 2> "$fio_err"; then
echo "fio bad_apptag unexpectedly succeeded"
ERR_CODE=255
return 1
fi
if ! grep -q "$expected_err" "$fio_err"; then
echo "fio bad_apptag message not found: $expected_err"
ERR_CODE=255
return 1
fi
}
_prep_test "loop" "end-to-end integrity"
_setup_device
_test_fill_and_verify && \
_test_corrupted_reftag && \
_test_corrupted_data && \
_test_bad_apptag
rm -f "$fio_err"
_cleanup_test
_show_result "$TID" $ERR_CODE
|
