| #!/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 |
