171 (5795B)
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 24 owner=tgolembi@redhat.com 25 26 seq=`basename $0` 27 echo "QA output created by $seq" 28 29 status=1 # failure is the default! 30 31 _cleanup() 32 { 33 _cleanup_test_img 34 } 35 trap "_cleanup; exit \$status" 0 1 2 3 15 36 37 # get standard environment, filters and checks 38 . ./common.rc 39 . ./common.filter 40 41 _supported_fmt raw 42 _supported_proto file fuse 43 _supported_os Linux 44 45 46 # Create JSON with options 47 img_json() { 48 printf %s 'json:{"driver":"raw", ' 49 printf %s "\"offset\":\"$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\":\"$TEST_IMG\" " 56 printf %s "} }" 57 } 58 59 do_general_test() { 60 if [ "$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 } 156 157 echo 158 echo "== test 'offset' option ==" 159 size=4096 160 img_offset=512 161 img_size=-1 162 _make_test_img $size 163 do_general_test 164 _cleanup_test_img 165 166 echo 167 echo "== test 'offset' and 'size' options ==" 168 size=4096 169 img_offset=512 170 img_size=2048 171 _make_test_img $size 172 do_general_test 173 _cleanup_test_img 174 175 echo 176 echo "== test misaligned 'offset' ==" 177 size=4096 178 img_offset=10 179 img_size=2048 180 _make_test_img $size 181 do_general_test 182 _cleanup_test_img 183 184 echo 185 echo "== test reopen ==" 186 size=4096 187 img_offset=512 188 img_size=512 189 _make_test_img $size 190 ( 191 $QEMU_IO "$(img_json)" <<EOT 192 write -P 0x0a 0 512 193 write -P 0x0a 511 1 194 write -P 0x0a 512 1 195 reopen -o driver=raw,offset=1536,size=1024 196 write -P 0x0a 0 1024 197 write -P 0x0a 1023 1 198 write -P 0x0a 1024 1 199 EOT 200 ) | _filter_qemu_io 201 echo "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 209 echo 210 echo "*** done" 211 rm -f $seq.full 212 status=0