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