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