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1#!/usr/bin/env bash 2# group: rw quick 3# 4# Test 'offset' and 'size' options of the raw driver. Make sure we can't 5# (or can) read and write outside of the image size. 6# 7# Copyright (C) 2016 Red Hat, Inc. 8# 9# This program is free software; you can redistribute it and/or modify 10# it under the terms of the GNU General Public License as published by 11# the Free Software Foundation; either version 2 of the License, or 12# (at your option) any later version. 13# 14# This program is distributed in the hope that it will be useful, 15# but WITHOUT ANY WARRANTY; without even the implied warranty of 16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17# GNU General Public License for more details. 18# 19# You should have received a copy of the GNU General Public License 20# along with this program. If not, see <http://www.gnu.org/licenses/>. 21# 22 23# creator 24owner=tgolembi@redhat.com 25 26seq=`basename $0` 27echo "QA output created by $seq" 28 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40 41_supported_fmt raw 42_supported_proto file fuse 43_supported_os Linux 44 45 46# Create JSON with options 47img_json() { 48 printf %s 'json:{"driver":"raw", ' 49 printf %s "\"offset\":\"$img_offset\", " 50 if [ "$img_size" -ne -1 ] ; then 51 printf %s "\"size\":\"$img_size\", " 52 fi 53 printf %s '"file": {' 54 printf %s '"driver":"file", ' 55 printf %s "\"filename\":\"$TEST_IMG\" " 56 printf %s "} }" 57} 58 59do_general_test() { 60 if [ "$img_size" -ge 0 ] ; then 61 test_size=$img_size 62 else 63 test_size=$((size-img_offset)) 64 fi 65 66 echo 67 echo "write to image" 68 $QEMU_IO -c "write -P 0x0a 0 $test_size" "$(img_json)" | _filter_qemu_io 69 70 echo 71 echo "read the image" 72 $QEMU_IO -c "read -P 0x0a 0 $test_size" "$(img_json)" | _filter_qemu_io 73 74 echo 75 echo "check that offset is respected" 76 $QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io 77 78 echo 79 echo "write before image boundary" 80 $QEMU_IO -c "write $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io 81 82 echo 83 echo "write across image boundary" 84 $QEMU_IO -c "write $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io 85 86 echo 87 echo "write at image boundary" 88 $QEMU_IO -c "write $test_size 1" "$(img_json)" | _filter_qemu_io 89 90 echo 91 echo "write after image boundary" 92 $QEMU_IO -c "write $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io 93 94 echo 95 echo "writev before/after image boundary" 96 $QEMU_IO -c "writev $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io 97 98 echo 99 echo "read before image boundary" 100 $QEMU_IO -c "read $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io 101 102 echo 103 echo "read across image boundary" 104 $QEMU_IO -c "read $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io 105 106 echo 107 echo "read at image boundary" 108 $QEMU_IO -c "read $test_size 1" "$(img_json)" | _filter_qemu_io 109 110 echo 111 echo "read after image boundary" 112 $QEMU_IO -c "read $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io 113 114 echo 115 echo "readv before/after image boundary" 116 $QEMU_IO -c "readv $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io 117 118 echo 119 echo "fill image with pattern" 120 $QEMU_IO -c "write -P 0x0a 0 $size" $TEST_IMG | _filter_qemu_io 121 122 echo 123 echo "write zeroes and check" 124 $QEMU_IO -c "write -z 0 512" "$(img_json)" | _filter_qemu_io 125 $QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io 126 127 echo 128 echo "write zeroes across image boundary" 129 $QEMU_IO -c "write -z $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io 130 131 echo 132 echo "write zeroes at image boundary and check" 133 $QEMU_IO -c "write -z $((test_size-2)) 2" "$(img_json)" | _filter_qemu_io 134 $QEMU_IO -c "read -v $((img_offset+test_size-2)) 2" $TEST_IMG | _filter_qemu_io 135 $QEMU_IO -c "read -v $((img_offset+test_size)) 2" $TEST_IMG | _filter_qemu_io 136 137 echo 138 echo "fill image with pattern" 139 $QEMU_IO -c "write -P 0x0a 0 $size" $TEST_IMG | _filter_qemu_io 140 141 echo 142 echo "discard and check" 143 $QEMU_IO -c "discard 0 512" "$(img_json)" | _filter_qemu_io 144 $QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io 145 146 echo 147 echo "discard across image boundary" 148 $QEMU_IO -c "discard $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io 149 150 echo 151 echo "discard at image boundary and check" 152 $QEMU_IO -c "discard $((test_size-2)) 2" "$(img_json)" | _filter_qemu_io 153 $QEMU_IO -c "read -v $((img_offset+test_size-2)) 2" $TEST_IMG | _filter_qemu_io 154 $QEMU_IO -c "read -v $((img_offset+test_size)) 2" $TEST_IMG | _filter_qemu_io 155} 156 157echo 158echo "== test 'offset' option ==" 159size=4096 160img_offset=512 161img_size=-1 162_make_test_img $size 163do_general_test 164_cleanup_test_img 165 166echo 167echo "== test 'offset' and 'size' options ==" 168size=4096 169img_offset=512 170img_size=2048 171_make_test_img $size 172do_general_test 173_cleanup_test_img 174 175echo 176echo "== test misaligned 'offset' ==" 177size=4096 178img_offset=10 179img_size=2048 180_make_test_img $size 181do_general_test 182_cleanup_test_img 183 184echo 185echo "== test reopen ==" 186size=4096 187img_offset=512 188img_size=512 189_make_test_img $size 190( 191$QEMU_IO "$(img_json)" <<EOT 192write -P 0x0a 0 512 193write -P 0x0a 511 1 194write -P 0x0a 512 1 195reopen -o driver=raw,offset=1536,size=1024 196write -P 0x0a 0 1024 197write -P 0x0a 1023 1 198write -P 0x0a 1024 1 199EOT 200) | _filter_qemu_io 201echo "checking boundaries" 202$QEMU_IO -c "read -v 510 4" $TEST_IMG | _filter_qemu_io 203$QEMU_IO -c "read -v 1022 4" $TEST_IMG | _filter_qemu_io 204$QEMU_IO -c "read -v 1534 4" $TEST_IMG | _filter_qemu_io 205$QEMU_IO -c "read -v 2558 4" $TEST_IMG | _filter_qemu_io 206_cleanup_test_img 207 208# success, all done 209echo 210echo "*** done" 211rm -f $seq.full 212status=0