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qemu-iotests: test 'offset' and 'size' options in raw driver
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Tomáš Golembiovský
Kevin Wolf
parent
2fdc70452a
commit
ccc47808fd
3 changed files with 526 additions and 0 deletions
212
tests/qemu-iotests/171
Executable file
212
tests/qemu-iotests/171
Executable file
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#!/bin/bash
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#
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# Test 'offset' and 'size' options of the raw driver. Make sure we can't
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# (or can) read and write outside of the image size.
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#
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# Copyright (C) 2016 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=tgolembi@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt raw
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_supported_proto file
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_supported_os Linux
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# Create JSON with options
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img_json() {
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echo -n 'json:{"driver":"raw", '
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echo -n "\"offset\":\"$img_offset\", "
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if [ "$img_size" -ne -1 ] ; then
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echo -n "\"size\":\"$img_size\", "
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fi
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echo -n '"file": {'
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echo -n '"driver":"file", '
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echo -n "\"filename\":\"$TEST_IMG\" "
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echo -n "} }"
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}
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do_general_test() {
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if [ "$img_size" -ge 0 ] ; then
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test_size=$img_size
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else
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test_size=$((size-img_offset))
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fi
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echo
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echo "write to image"
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$QEMU_IO -c "write -P 0x0a 0 $test_size" "$(img_json)" | _filter_qemu_io
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echo
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echo "read the image"
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$QEMU_IO -c "read -P 0x0a 0 $test_size" "$(img_json)" | _filter_qemu_io
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echo
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echo "check that offset is respected"
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$QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io
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echo
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echo "write before image boundary"
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$QEMU_IO -c "write $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io
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echo
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echo "write across image boundary"
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$QEMU_IO -c "write $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
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echo
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echo "write at image boundary"
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$QEMU_IO -c "write $test_size 1" "$(img_json)" | _filter_qemu_io
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echo
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echo "write after image boundary"
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$QEMU_IO -c "write $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io
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echo
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echo "writev before/after image boundary"
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$QEMU_IO -c "writev $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io
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echo
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echo "read before image boundary"
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$QEMU_IO -c "read $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io
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echo
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echo "read across image boundary"
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$QEMU_IO -c "read $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
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echo
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echo "read at image boundary"
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$QEMU_IO -c "read $test_size 1" "$(img_json)" | _filter_qemu_io
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echo
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echo "read after image boundary"
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$QEMU_IO -c "read $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io
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echo
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echo "readv before/after image boundary"
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$QEMU_IO -c "readv $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io
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echo
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echo "fill image with pattern"
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$QEMU_IO -c "write -P 0x0a 0 $size" $TEST_IMG | _filter_qemu_io
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echo
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echo "write zeroes and check"
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$QEMU_IO -c "write -z 0 512" "$(img_json)" | _filter_qemu_io
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$QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io
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echo
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echo "write zeroes across image boundary"
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$QEMU_IO -c "write -z $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
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echo
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echo "write zeroes at image boundary and check"
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$QEMU_IO -c "write -z $((test_size-2)) 2" "$(img_json)" | _filter_qemu_io
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$QEMU_IO -c "read -v $((img_offset+test_size-2)) 2" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -v $((img_offset+test_size)) 2" $TEST_IMG | _filter_qemu_io
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echo
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echo "fill image with pattern"
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$QEMU_IO -c "write -P 0x0a 0 $size" $TEST_IMG | _filter_qemu_io
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echo
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echo "discard and check"
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$QEMU_IO -c "discard 0 512" "$(img_json)" | _filter_qemu_io
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$QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io
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echo
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echo "discard across image boundary"
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$QEMU_IO -c "discard $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
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echo
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echo "discard at image boundary and check"
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$QEMU_IO -c "discard $((test_size-2)) 2" "$(img_json)" | _filter_qemu_io
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$QEMU_IO -c "read -v $((img_offset+test_size-2)) 2" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -v $((img_offset+test_size)) 2" $TEST_IMG | _filter_qemu_io
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}
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echo
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echo "== test 'offset' option =="
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size=4096
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img_offset=512
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img_size=-1
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_make_test_img $size
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do_general_test
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_cleanup_test_img
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echo
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echo "== test 'offset' and 'size' options =="
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size=4096
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img_offset=512
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img_size=2048
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_make_test_img $size
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do_general_test
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_cleanup_test_img
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echo
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echo "== test misaligned 'offset' =="
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size=4096
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img_offset=10
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img_size=2048
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_make_test_img $size
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do_general_test
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_cleanup_test_img
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echo
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echo "== test reopen =="
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size=4096
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img_offset=512
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img_size=512
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_make_test_img $size
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(
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$QEMU_IO "$(img_json)" <<EOT
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write -P 0x0a 0 512
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write -P 0x0a 511 1
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write -P 0x0a 512 1
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reopen -o driver=raw,offset=1536,size=1024
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write -P 0x0a 0 1024
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write -P 0x0a 1023 1
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write -P 0x0a 1024 1
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EOT
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) | _filter_qemu_io
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echo "checking boundaries"
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$QEMU_IO -c "read -v 510 4" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -v 1022 4" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -v 1534 4" $TEST_IMG | _filter_qemu_io
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$QEMU_IO -c "read -v 2558 4" $TEST_IMG | _filter_qemu_io
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_cleanup_test_img
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# success, all done
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echo
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echo "*** done"
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rm -f $seq.full
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status=0
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