111a82d14SPhilippe Mathieu-Daudé#!/usr/bin/env bash 247e5df21SKevin Wolf# 347e5df21SKevin Wolf# Test command line configuration of block devices and driver-specific options 447e5df21SKevin Wolf# 547e5df21SKevin Wolf# Copyright (C) 2013 Red Hat, Inc. 647e5df21SKevin Wolf# 747e5df21SKevin Wolf# This program is free software; you can redistribute it and/or modify 847e5df21SKevin Wolf# it under the terms of the GNU General Public License as published by 947e5df21SKevin Wolf# the Free Software Foundation; either version 2 of the License, or 1047e5df21SKevin Wolf# (at your option) any later version. 1147e5df21SKevin Wolf# 1247e5df21SKevin Wolf# This program is distributed in the hope that it will be useful, 1347e5df21SKevin Wolf# but WITHOUT ANY WARRANTY; without even the implied warranty of 1447e5df21SKevin Wolf# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1547e5df21SKevin Wolf# GNU General Public License for more details. 1647e5df21SKevin Wolf# 1747e5df21SKevin Wolf# You should have received a copy of the GNU General Public License 1847e5df21SKevin Wolf# along with this program. If not, see <http://www.gnu.org/licenses/>. 1947e5df21SKevin Wolf# 2047e5df21SKevin Wolf 2147e5df21SKevin Wolf# creator 2247e5df21SKevin Wolfowner=kwolf@redhat.com 2347e5df21SKevin Wolf 2447e5df21SKevin Wolfseq=`basename $0` 2547e5df21SKevin Wolfecho "QA output created by $seq" 2647e5df21SKevin Wolf 2747e5df21SKevin Wolfstatus=1 # failure is the default! 2847e5df21SKevin Wolf 2947e5df21SKevin Wolf_cleanup() 3047e5df21SKevin Wolf{ 3147e5df21SKevin Wolf _cleanup_test_img 3247e5df21SKevin Wolf} 3347e5df21SKevin Wolftrap "_cleanup; exit \$status" 0 1 2 3 15 3447e5df21SKevin Wolf 3547e5df21SKevin Wolf# get standard environment, filters and checks 3647e5df21SKevin Wolf. ./common.rc 3747e5df21SKevin Wolf. ./common.filter 3847e5df21SKevin Wolf 3947e5df21SKevin Wolf_supported_fmt qcow2 4047e5df21SKevin Wolf_supported_proto file 4147e5df21SKevin Wolf_supported_os Linux 425262caa7SMax Reitz# A compat=0.10 image is created in this test which does not support anything 435262caa7SMax Reitz# other than refcount_bits=16 445262caa7SMax Reitz_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)' 4547e5df21SKevin Wolf 468cedcffdSEric Blakedo_run_qemu() 4747e5df21SKevin Wolf{ 4847e5df21SKevin Wolf echo Testing: "$@" 494db9c980SFam Zheng ( 504db9c980SFam Zheng if ! test -t 0; then 514db9c980SFam Zheng while read cmd; do 524db9c980SFam Zheng echo $cmd 534db9c980SFam Zheng done 544db9c980SFam Zheng fi 554db9c980SFam Zheng echo quit 564db9c980SFam Zheng ) | $QEMU -nographic -monitor stdio -serial none "$@" 5747e5df21SKevin Wolf echo 5847e5df21SKevin Wolf} 5947e5df21SKevin Wolf 608cedcffdSEric Blakerun_qemu() 6147e5df21SKevin Wolf{ 6269404d9eSKevin Wolf do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | 6369404d9eSKevin Wolf _filter_generated_node_ids | _filter_hmp 6447e5df21SKevin Wolf} 6547e5df21SKevin Wolf 6647e5df21SKevin Wolfsize=128M 67dd87de06SBo Tudevice_id="drive0" 6847e5df21SKevin Wolf 6947e5df21SKevin Wolf_make_test_img $size 701ab39193SJeff Codycp "$TEST_IMG" "$TEST_IMG.orig" 711ab39193SJeff Codymv "$TEST_IMG" "$TEST_IMG.base" 721ab39193SJeff Cody_make_test_img -b "$TEST_IMG.base" $size 7347e5df21SKevin Wolf 7447e5df21SKevin Wolfecho 7547e5df21SKevin Wolfecho === Unknown option === 7647e5df21SKevin Wolfecho 7747e5df21SKevin Wolf 78dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=,if=none,id=$device_id 79dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=on,if=none,id=$device_id 80dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=1234,if=none,id=$device_id 81dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=foo,if=none,id=$device_id 8247e5df21SKevin Wolf 834db9c980SFam Zhengecho 84eb909c7fSKevin Wolfecho === Unknown protocol option === 85eb909c7fSKevin Wolfecho 86eb909c7fSKevin Wolf 87eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt= 88eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=on 89eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=1234 90eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=foo 91eb909c7fSKevin Wolf 92eb909c7fSKevin Wolfecho 9306d22aa3SKevin Wolfecho === Invalid format === 9406d22aa3SKevin Wolfecho 9506d22aa3SKevin Wolf 9606d22aa3SKevin Wolfrun_qemu -drive file="$TEST_IMG",format=foo 9706d22aa3SKevin Wolfrun_qemu -drive file="$TEST_IMG",driver=foo 9817b005f1SKevin Wolfrun_qemu -drive file="$TEST_IMG",driver=raw,format=qcow2 9980495fdfSMax Reitzrun_qemu -drive file="$TEST_IMG",driver=qcow2,format=qcow2 10006d22aa3SKevin Wolf 10106d22aa3SKevin Wolfecho 102824808ddSKevin Wolfecho === Node names === 103824808ddSKevin Wolfecho 104824808ddSKevin Wolf 105824808ddSKevin Wolf# Maximum length: 31 characters 106824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=x123456789012345678901234567890 107824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=x1234567890123456789012345678901 108824808ddSKevin Wolf 109824808ddSKevin Wolf# First character must be alphabetic 110824808ddSKevin Wolf# Following characters alphanumeric or -._ 111824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=All-Types.of_all0wed_chars 112824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=123foo 113824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=_foo 114824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=foo#12 115824808ddSKevin Wolf 116824808ddSKevin Wolfecho 117354483e5SChristian Borntraegerecho === Device without drive === 118354483e5SChristian Borntraegerecho 119354483e5SChristian Borntraeger 12075f02ed5SCornelia Huckcase "$QEMU_DEFAULT_MACHINE" in 12175f02ed5SCornelia Huck s390-ccw-virtio) 12275f02ed5SCornelia Huck virtio_scsi=virtio-scsi-ccw 12375f02ed5SCornelia Huck ;; 12475f02ed5SCornelia Huck *) 12575f02ed5SCornelia Huck virtio_scsi=virtio-scsi-pci 12675f02ed5SCornelia Huck ;; 12775f02ed5SCornelia Huckesac 12875f02ed5SCornelia Huck 12975f02ed5SCornelia Huckrun_qemu -device $virtio_scsi -device scsi-hd | 13075f02ed5SCornelia Huck sed -e "s/$virtio_scsi/VIRTIO_SCSI/" 131354483e5SChristian Borntraeger 132354483e5SChristian Borntraegerecho 1334db9c980SFam Zhengecho === Overriding backing file === 1344db9c980SFam Zhengecho 1354db9c980SFam Zheng 136dd87de06SBo Tuecho "info block" | run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig",if=none,id=$device_id -nodefaults\ 13715489c76SJeff Cody | _filter_generated_node_ids 13847e5df21SKevin Wolf 1398ee79e70SKevin Wolf# Drivers that don't support backing files 1408ee79e70SKevin Wolfrun_qemu -drive file="$TEST_IMG",driver=raw,backing.file.filename="$TEST_IMG.orig" 1418ee79e70SKevin Wolfrun_qemu -drive file="$TEST_IMG",file.backing.driver=file,file.backing.filename="$TEST_IMG.orig" 1428ee79e70SKevin Wolfrun_qemu -drive file="$TEST_IMG",file.backing.driver=qcow2,file.backing.file.filename="$TEST_IMG.orig" 1438ee79e70SKevin Wolf 14447e5df21SKevin Wolfecho 14547e5df21SKevin Wolfecho === Enable and disable lazy refcounting on the command line, plus some invalid values === 14647e5df21SKevin Wolfecho 14747e5df21SKevin Wolf 1487e0db6f4SMax Reitz_make_test_img -o compat=1.1 "$size" 1497e0db6f4SMax Reitz 150fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on 151fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off 152fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts= 153fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=42 154fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=foo 15547e5df21SKevin Wolf 15647e5df21SKevin Wolf 15747e5df21SKevin Wolfecho 15847e5df21SKevin Wolfecho === With version 2 images enabling lazy refcounts must fail === 15947e5df21SKevin Wolfecho 16047e5df21SKevin Wolf 16147e5df21SKevin Wolf_make_test_img -ocompat=0.10 $size 16247e5df21SKevin Wolf 163fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on 164fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off 16547e5df21SKevin Wolf 16647e5df21SKevin Wolfecho 16747e5df21SKevin Wolfecho === No medium === 16847e5df21SKevin Wolfecho 16947e5df21SKevin Wolf 170dd87de06SBo Tucase "$QEMU_DEFAULT_MACHINE" in 171dd87de06SBo Tu pc) 17247e5df21SKevin Wolf run_qemu -drive if=floppy 17347e5df21SKevin Wolf run_qemu -drive if=ide,media=cdrom 17447e5df21SKevin Wolf run_qemu -drive if=ide 175dd87de06SBo Tu ;; 176dd87de06SBo Tu *) 177dd87de06SBo Tu ;; 178dd87de06SBo Tuesac 179dd87de06SBo Tu 180dd87de06SBo Turun_qemu -drive if=virtio 18147e5df21SKevin Wolf 182289f3ebaSBo Tucase "$QEMU_DEFAULT_MACHINE" in 183289f3ebaSBo Tu pc) 18447e5df21SKevin Wolf run_qemu -drive if=none,id=disk -device ide-cd,drive=disk 18547e5df21SKevin Wolf run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-cd,drive=disk 18647e5df21SKevin Wolf run_qemu -drive if=none,id=disk -device ide-drive,drive=disk 18747e5df21SKevin Wolf run_qemu -drive if=none,id=disk -device ide-hd,drive=disk 18847e5df21SKevin Wolf run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-disk,drive=disk 18947e5df21SKevin Wolf run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk 190289f3ebaSBo Tu ;; 191289f3ebaSBo Tu *) 192289f3ebaSBo Tu ;; 193289f3ebaSBo Tuesac 19447e5df21SKevin Wolf 19547e5df21SKevin Wolfecho 19647e5df21SKevin Wolfecho === Read-only === 19747e5df21SKevin Wolfecho 19847e5df21SKevin Wolf 199289f3ebaSBo Tucase "$QEMU_DEFAULT_MACHINE" in 200289f3ebaSBo Tu pc) 201fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=floppy,readonly=on 202fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=ide,media=cdrom,readonly=on 203fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=ide,readonly=on 204289f3ebaSBo Tu ;; 205289f3ebaSBo Tu *) 206289f3ebaSBo Tu ;; 207289f3ebaSBo Tuesac 208289f3ebaSBo Tu 209fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",if=virtio,readonly=on 21047e5df21SKevin Wolf 211289f3ebaSBo Tucase "$QEMU_DEFAULT_MACHINE" in 212289f3ebaSBo Tu pc) 213fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-cd,drive=disk 214fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-cd,drive=disk 215fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-drive,drive=disk 216fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-hd,drive=disk 217fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-disk,drive=disk 218fef9c191SJeff Cody run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-hd,drive=disk 219289f3ebaSBo Tu ;; 220289f3ebaSBo Tu *) 221289f3ebaSBo Tu ;; 222289f3ebaSBo Tuesac 22347e5df21SKevin Wolf 22447e5df21SKevin Wolfecho 22547e5df21SKevin Wolfecho === Cache modes === 22647e5df21SKevin Wolfecho 22747e5df21SKevin Wolf 22847e5df21SKevin Wolf# Cannot use the test image because cache=none might not work on the host FS 22947e5df21SKevin Wolf# Use cdrom so that we won't get errors about missing media 23047e5df21SKevin Wolf 231fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=none 232fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=directsync 233fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=writeback 234fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=writethrough 235fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=unsafe 236fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=invalid_value 23747e5df21SKevin Wolf 238768ee459SKevin Wolf# Can't test direct=on here because O_DIRECT might not be supported on this FS 239768ee459SKevin Wolf# Test 142 checks the direct=on cases 240768ee459SKevin Wolf 241768ee459SKevin Wolffor cache in writeback writethrough unsafe invalid_value; do 242b43671f8SEric Blake printf "info block %s\n" '' file backing backing-file | \ 24361de4c68SKevin Wolf run_qemu -drive file="$TEST_IMG",cache=$cache,backing.file.filename="$TEST_IMG.base",backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=$device_id -nodefaults 244768ee459SKevin Wolfdone 245768ee459SKevin Wolf 2462af5ef70SKevin Wolfecho 2472af5ef70SKevin Wolfecho === Specifying the protocol layer === 2482af5ef70SKevin Wolfecho 2492af5ef70SKevin Wolf 250fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",file.driver=file 2512af5ef70SKevin Wolf 25298289620SKevin Wolfecho 253765003dbSKevin Wolfecho === Leaving out required options === 254765003dbSKevin Wolfecho 255765003dbSKevin Wolf 256765003dbSKevin Wolfrun_qemu -drive driver=file 25742dc10f1SMax Reitzrun_qemu -drive driver=file,filename= 258765003dbSKevin Wolfrun_qemu -drive driver=nbd 259765003dbSKevin Wolfrun_qemu -drive driver=raw 260765003dbSKevin Wolfrun_qemu -drive file.driver=file 261765003dbSKevin Wolfrun_qemu -drive file.driver=nbd 262765003dbSKevin Wolfrun_qemu -drive file.driver=raw 263765003dbSKevin Wolfrun_qemu -drive foo=bar 264765003dbSKevin Wolf 265765003dbSKevin Wolfecho 2665abbf0eeSKevin Wolfecho === Specifying both an option and its legacy alias === 2675abbf0eeSKevin Wolfecho 2685abbf0eeSKevin Wolf 2695abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops=1234,throttling.iops-total=5678 2705abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_rd=1234,throttling.iops-read=5678 2715abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_wr=1234,throttling.iops-write=5678 2725abbf0eeSKevin Wolf 2735abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps=1234,throttling.bps-total=5678 2745abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_rd=1234,throttling.bps-read=5678 2755abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_wr=1234,throttling.bps-write=5678 2765abbf0eeSKevin Wolf 2775abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_max=1234,throttling.iops-total-max=5678 2785abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_rd_max=1234,throttling.iops-read-max=5678 2795abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_wr_max=1234,throttling.iops-write-max=5678 2805abbf0eeSKevin Wolf 2815abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_max=1234,throttling.bps-total-max=5678 2825abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_rd_max=1234,throttling.bps-read-max=5678 2835abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_wr_max=1234,throttling.bps-write-max=5678 2845abbf0eeSKevin Wolf 2855abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_size=1234,throttling.iops-size=5678 2865abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",readonly=on,read-only=off 2875abbf0eeSKevin Wolf 2885abbf0eeSKevin Wolfecho 289e9b15550SFam Zhengecho === Catching negative/large throttling values === 290e9b15550SFam Zhengecho 291e9b15550SFam Zheng 292e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",iops=-1 293e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=-2 294e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps_rd=-3 295e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps_rd_max=-3 296e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",throttling.iops-total=-4 297e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",throttling.bps-total=-5 298e9b15550SFam Zheng# These are accepted 299e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=0 300e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=1 301e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=1000000000000000 302e9b15550SFam Zheng# While these are not 303e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=1000000000000001 304e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=9999999999999999 305e9b15550SFam Zheng 306e9b15550SFam Zhengecho 30798289620SKevin Wolfecho === Parsing protocol from file name === 30898289620SKevin Wolfecho 30998289620SKevin Wolf 31098289620SKevin Wolf# Protocol strings are supposed to be parsed from traditional option strings, 31198289620SKevin Wolf# but not when using driver-specific options. We can distinguish them by the 31298289620SKevin Wolf# error message for non-existing files. 31398289620SKevin Wolf 31498289620SKevin Wolfrun_qemu -hda foo:bar 31598289620SKevin Wolfrun_qemu -drive file=foo:bar 31698289620SKevin Wolfrun_qemu -drive file.filename=foo:bar 31798289620SKevin Wolf 318e3fa4bfaSKevin Wolfrun_qemu -hda "file:$TEST_IMG" 319e3fa4bfaSKevin Wolfrun_qemu -drive file="file:$TEST_IMG" 320e3fa4bfaSKevin Wolfrun_qemu -drive file.filename="file:$TEST_IMG" 321e3fa4bfaSKevin Wolf 322f32f988cSKevin Wolfecho 323f32f988cSKevin Wolfecho === Snapshot mode === 324f32f988cSKevin Wolfecho 325f32f988cSKevin Wolf 326f32f988cSKevin Wolf$QEMU_IO -c "write -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io 327f32f988cSKevin Wolf 328289f3ebaSBo Tu 329289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="$TEST_IMG",if=none,id=$device_id -snapshot | _filter_qemu_io 330289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="$TEST_IMG",snapshot=on,if=none,id=$device_id | _filter_qemu_io 331289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2,snapshot=on,if=none,id=$device_id\ 332289f3ebaSBo Tu | _filter_qemu_io 333289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2,if=none,id=$device_id -snapshot\ 334289f3ebaSBo Tu | _filter_qemu_io 335289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="file:$TEST_IMG",if=none,id=$device_id -snapshot | _filter_qemu_io 336289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="file:$TEST_IMG",snapshot=on,if=none,id=$device_id | _filter_qemu_io 337b998875dSKevin Wolf 338b998875dSKevin Wolf# Opening a read-only file r/w with snapshot=on 339b998875dSKevin Wolfchmod u-w "$TEST_IMG" 340289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="$TEST_IMG",if=none,id=$device_id -snapshot | _filter_qemu_io 341289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="$TEST_IMG",snapshot=on,if=none,id=$device_id | _filter_qemu_io 342b998875dSKevin Wolfchmod u+w "$TEST_IMG" 343f32f988cSKevin Wolf 344f32f988cSKevin Wolf$QEMU_IO -c "read -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io 345f32f988cSKevin Wolf 346289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="$TEST_IMG",snapshot=off,if=none,id=$device_id | _filter_qemu_io 347f32f988cSKevin Wolf 348f32f988cSKevin Wolf$QEMU_IO -c "read -P 0x22 0 4k" "$TEST_IMG" | _filter_qemu_io 349f32f988cSKevin Wolf 350b43671f8SEric Blakeprintf %b "qemu-io $device_id \"write -P 0x33 0 4k\"\ncommit $device_id\n" | 351b43671f8SEric Blake run_qemu -drive file="$TEST_IMG",snapshot=on,if=none,id=$device_id | 352b43671f8SEric Blake _filter_qemu_io 353b1e6fc08SKevin Wolf 354b1e6fc08SKevin Wolf$QEMU_IO -c "read -P 0x33 0 4k" "$TEST_IMG" | _filter_qemu_io 355b1e6fc08SKevin Wolf 3566a7014efSAlberto Garcia# Using snapshot=on with a non-existent TMPDIR 3576a7014efSAlberto GarciaTMPDIR=/nonexistent run_qemu -drive driver=null-co,snapshot=on 3586a7014efSAlberto Garcia 359*30855137SKevin Wolf# Using snapshot=on together with read-only=on 360*30855137SKevin Wolfecho "info block" | 361*30855137SKevin Wolf run_qemu -drive file="$TEST_IMG",snapshot=on,read-only=on,if=none,id=$device_id | 362*30855137SKevin Wolf _filter_qemu_io | 363*30855137SKevin Wolf sed -e 's#"/[^"]*/vl\.[A-Za-z0-9]\{6\}"#SNAPSHOT_PATH#g' 364*30855137SKevin Wolf 365*30855137SKevin Wolf 36647e5df21SKevin Wolf# success, all done 36747e5df21SKevin Wolfecho "*** done" 36847e5df21SKevin Wolfrm -f $seq.full 36947e5df21SKevin Wolfstatus=0 370