xref: /qemu/tests/qemu-iotests/051 (revision 824808dd77821ceba05357cb1ee4069a6a95bebd)
147e5df21SKevin Wolf#!/bin/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 Wolfhere=`pwd`
2847e5df21SKevin Wolfstatus=1	# failure is the default!
2947e5df21SKevin Wolf
3047e5df21SKevin Wolf_cleanup()
3147e5df21SKevin Wolf{
3247e5df21SKevin Wolf	_cleanup_test_img
3347e5df21SKevin Wolf}
3447e5df21SKevin Wolftrap "_cleanup; exit \$status" 0 1 2 3 15
3547e5df21SKevin Wolf
3647e5df21SKevin Wolf# get standard environment, filters and checks
3747e5df21SKevin Wolf. ./common.rc
3847e5df21SKevin Wolf. ./common.filter
3947e5df21SKevin Wolf
4047e5df21SKevin Wolf_supported_fmt qcow2
4147e5df21SKevin Wolf_supported_proto file
4247e5df21SKevin Wolf_supported_os Linux
435262caa7SMax Reitz# A compat=0.10 image is created in this test which does not support anything
445262caa7SMax Reitz# other than refcount_bits=16
455262caa7SMax Reitz_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'
4647e5df21SKevin Wolf
4747e5df21SKevin Wolffunction do_run_qemu()
4847e5df21SKevin Wolf{
4947e5df21SKevin Wolf    echo Testing: "$@"
504db9c980SFam Zheng    (
514db9c980SFam Zheng        if ! test -t 0; then
524db9c980SFam Zheng            while read cmd; do
534db9c980SFam Zheng                echo $cmd
544db9c980SFam Zheng            done
554db9c980SFam Zheng        fi
564db9c980SFam Zheng        echo quit
574db9c980SFam Zheng    ) | $QEMU -nographic -monitor stdio -serial none "$@"
5847e5df21SKevin Wolf    echo
5947e5df21SKevin Wolf}
6047e5df21SKevin Wolf
6147e5df21SKevin Wolffunction run_qemu()
6247e5df21SKevin Wolf{
6369404d9eSKevin Wolf    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu |
6469404d9eSKevin Wolf        _filter_generated_node_ids | _filter_hmp
6547e5df21SKevin Wolf}
6647e5df21SKevin Wolf
6747e5df21SKevin Wolfsize=128M
68dd87de06SBo Tudevice_id="drive0"
6947e5df21SKevin Wolf
7047e5df21SKevin Wolf_make_test_img $size
711ab39193SJeff Codycp "$TEST_IMG" "$TEST_IMG.orig"
721ab39193SJeff Codymv "$TEST_IMG" "$TEST_IMG.base"
731ab39193SJeff Cody_make_test_img -b "$TEST_IMG.base" $size
7447e5df21SKevin Wolf
7547e5df21SKevin Wolfecho
7647e5df21SKevin Wolfecho === Unknown option ===
7747e5df21SKevin Wolfecho
7847e5df21SKevin Wolf
79dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=,if=none,id=$device_id
80dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=on,if=none,id=$device_id
81dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=1234,if=none,id=$device_id
82dd87de06SBo Turun_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=foo,if=none,id=$device_id
8347e5df21SKevin Wolf
844db9c980SFam Zhengecho
85eb909c7fSKevin Wolfecho === Unknown protocol option ===
86eb909c7fSKevin Wolfecho
87eb909c7fSKevin Wolf
88eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=
89eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=on
90eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=1234
91eb909c7fSKevin Wolfrun_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=foo
92eb909c7fSKevin Wolf
93eb909c7fSKevin Wolfecho
9406d22aa3SKevin Wolfecho === Invalid format ===
9506d22aa3SKevin Wolfecho
9606d22aa3SKevin Wolf
9706d22aa3SKevin Wolfrun_qemu -drive file="$TEST_IMG",format=foo
9806d22aa3SKevin Wolfrun_qemu -drive file="$TEST_IMG",driver=foo
9917b005f1SKevin Wolfrun_qemu -drive file="$TEST_IMG",driver=raw,format=qcow2
10080495fdfSMax Reitzrun_qemu -drive file="$TEST_IMG",driver=qcow2,format=qcow2
10106d22aa3SKevin Wolf
10206d22aa3SKevin Wolfecho
103*824808ddSKevin Wolfecho === Node names ===
104*824808ddSKevin Wolfecho
105*824808ddSKevin Wolf
106*824808ddSKevin Wolf# Maximum length: 31 characters
107*824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=x123456789012345678901234567890
108*824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=x1234567890123456789012345678901
109*824808ddSKevin Wolf
110*824808ddSKevin Wolf# First character must be alphabetic
111*824808ddSKevin Wolf# Following characters alphanumeric or -._
112*824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=All-Types.of_all0wed_chars
113*824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=123foo
114*824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=_foo
115*824808ddSKevin Wolfrun_qemu -drive file="$TEST_IMG",node-name=foo#12
116*824808ddSKevin Wolf
117*824808ddSKevin Wolfecho
118354483e5SChristian Borntraegerecho === Device without drive ===
119354483e5SChristian Borntraegerecho
120354483e5SChristian Borntraeger
12175f02ed5SCornelia Huckcase "$QEMU_DEFAULT_MACHINE" in
12275f02ed5SCornelia Huck  s390-ccw-virtio)
12375f02ed5SCornelia Huck      virtio_scsi=virtio-scsi-ccw
12475f02ed5SCornelia Huck      ;;
12575f02ed5SCornelia Huck  *)
12675f02ed5SCornelia Huck      virtio_scsi=virtio-scsi-pci
12775f02ed5SCornelia Huck      ;;
12875f02ed5SCornelia Huckesac
12975f02ed5SCornelia Huck
13075f02ed5SCornelia Huckrun_qemu -device $virtio_scsi -device scsi-hd |
13175f02ed5SCornelia Huck    sed -e "s/$virtio_scsi/VIRTIO_SCSI/"
132354483e5SChristian Borntraeger
133354483e5SChristian Borntraegerecho
1344db9c980SFam Zhengecho === Overriding backing file ===
1354db9c980SFam Zhengecho
1364db9c980SFam Zheng
137dd87de06SBo Tuecho "info block" | run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig",if=none,id=$device_id -nodefaults\
13815489c76SJeff Cody                  | _filter_generated_node_ids
13947e5df21SKevin Wolf
1408ee79e70SKevin Wolf# Drivers that don't support backing files
1418ee79e70SKevin Wolfrun_qemu -drive file="$TEST_IMG",driver=raw,backing.file.filename="$TEST_IMG.orig"
1428ee79e70SKevin Wolfrun_qemu -drive file="$TEST_IMG",file.backing.driver=file,file.backing.filename="$TEST_IMG.orig"
1438ee79e70SKevin Wolfrun_qemu -drive file="$TEST_IMG",file.backing.driver=qcow2,file.backing.file.filename="$TEST_IMG.orig"
1448ee79e70SKevin Wolf
14547e5df21SKevin Wolfecho
14647e5df21SKevin Wolfecho === Enable and disable lazy refcounting on the command line, plus some invalid values ===
14747e5df21SKevin Wolfecho
14847e5df21SKevin Wolf
1497e0db6f4SMax Reitz_make_test_img -o compat=1.1 "$size"
1507e0db6f4SMax Reitz
151fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
152fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
153fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=
154fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=42
155fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=foo
15647e5df21SKevin Wolf
15747e5df21SKevin Wolf
15847e5df21SKevin Wolfecho
15947e5df21SKevin Wolfecho === With version 2 images enabling lazy refcounts must fail ===
16047e5df21SKevin Wolfecho
16147e5df21SKevin Wolf
16247e5df21SKevin Wolf_make_test_img -ocompat=0.10 $size
16347e5df21SKevin Wolf
164fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
165fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
16647e5df21SKevin Wolf
16747e5df21SKevin Wolfecho
16847e5df21SKevin Wolfecho === No medium ===
16947e5df21SKevin Wolfecho
17047e5df21SKevin Wolf
171dd87de06SBo Tucase "$QEMU_DEFAULT_MACHINE" in
172dd87de06SBo Tu    pc)
17347e5df21SKevin Wolf        run_qemu -drive if=floppy
17447e5df21SKevin Wolf        run_qemu -drive if=ide,media=cdrom
17547e5df21SKevin Wolf        run_qemu -drive if=ide
176dd87de06SBo Tu        ;;
177dd87de06SBo Tu     *)
178dd87de06SBo Tu        ;;
179dd87de06SBo Tuesac
180dd87de06SBo Tu
181dd87de06SBo Turun_qemu -drive if=virtio
18247e5df21SKevin Wolf
183289f3ebaSBo Tucase "$QEMU_DEFAULT_MACHINE" in
184289f3ebaSBo Tu    pc)
18547e5df21SKevin Wolf        run_qemu -drive if=none,id=disk -device ide-cd,drive=disk
18647e5df21SKevin Wolf        run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-cd,drive=disk
18747e5df21SKevin Wolf        run_qemu -drive if=none,id=disk -device ide-drive,drive=disk
18847e5df21SKevin Wolf        run_qemu -drive if=none,id=disk -device ide-hd,drive=disk
18947e5df21SKevin Wolf        run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-disk,drive=disk
19047e5df21SKevin Wolf        run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk
191289f3ebaSBo Tu        ;;
192289f3ebaSBo Tu     *)
193289f3ebaSBo Tu        ;;
194289f3ebaSBo Tuesac
19547e5df21SKevin Wolf
19647e5df21SKevin Wolfecho
19747e5df21SKevin Wolfecho === Read-only ===
19847e5df21SKevin Wolfecho
19947e5df21SKevin Wolf
200289f3ebaSBo Tucase "$QEMU_DEFAULT_MACHINE" in
201289f3ebaSBo Tu    pc)
202fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=floppy,readonly=on
203fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=ide,media=cdrom,readonly=on
204fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=ide,readonly=on
205289f3ebaSBo Tu        ;;
206289f3ebaSBo Tu     *)
207289f3ebaSBo Tu        ;;
208289f3ebaSBo Tuesac
209289f3ebaSBo Tu
210fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",if=virtio,readonly=on
21147e5df21SKevin Wolf
212289f3ebaSBo Tucase "$QEMU_DEFAULT_MACHINE" in
213289f3ebaSBo Tu    pc)
214fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-cd,drive=disk
215fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-cd,drive=disk
216fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-drive,drive=disk
217fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-hd,drive=disk
218fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-disk,drive=disk
219fef9c191SJeff Cody        run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-hd,drive=disk
220289f3ebaSBo Tu        ;;
221289f3ebaSBo Tu     *)
222289f3ebaSBo Tu        ;;
223289f3ebaSBo Tuesac
22447e5df21SKevin Wolf
22547e5df21SKevin Wolfecho
22647e5df21SKevin Wolfecho === Cache modes ===
22747e5df21SKevin Wolfecho
22847e5df21SKevin Wolf
22947e5df21SKevin Wolf# Cannot use the test image because cache=none might not work on the host FS
23047e5df21SKevin Wolf# Use cdrom so that we won't get errors about missing media
23147e5df21SKevin Wolf
232fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=none
233fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=directsync
234fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=writeback
235fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=writethrough
236fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=unsafe
237fc17c259SKevin Wolfrun_qemu -drive driver=null-co,cache=invalid_value
23847e5df21SKevin Wolf
239768ee459SKevin Wolf# Can't test direct=on here because O_DIRECT might not be supported on this FS
240768ee459SKevin Wolf# Test 142 checks the direct=on cases
241768ee459SKevin Wolf
242768ee459SKevin Wolffor cache in writeback writethrough unsafe invalid_value; do
243b43671f8SEric Blake    printf "info block %s\n" '' file backing backing-file | \
24461de4c68SKevin Wolf    run_qemu -drive file="$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=$device_id -nodefaults
245768ee459SKevin Wolfdone
246768ee459SKevin Wolf
2472af5ef70SKevin Wolfecho
2482af5ef70SKevin Wolfecho === Specifying the protocol layer ===
2492af5ef70SKevin Wolfecho
2502af5ef70SKevin Wolf
251fef9c191SJeff Codyrun_qemu -drive file="$TEST_IMG",file.driver=file
2522af5ef70SKevin Wolf
25398289620SKevin Wolfecho
254765003dbSKevin Wolfecho === Leaving out required options ===
255765003dbSKevin Wolfecho
256765003dbSKevin Wolf
257765003dbSKevin Wolfrun_qemu -drive driver=file
25842dc10f1SMax Reitzrun_qemu -drive driver=file,filename=
259765003dbSKevin Wolfrun_qemu -drive driver=nbd
260765003dbSKevin Wolfrun_qemu -drive driver=raw
261765003dbSKevin Wolfrun_qemu -drive file.driver=file
262765003dbSKevin Wolfrun_qemu -drive file.driver=nbd
263765003dbSKevin Wolfrun_qemu -drive file.driver=raw
264765003dbSKevin Wolfrun_qemu -drive foo=bar
265765003dbSKevin Wolf
266765003dbSKevin Wolfecho
2675abbf0eeSKevin Wolfecho === Specifying both an option and its legacy alias ===
2685abbf0eeSKevin Wolfecho
2695abbf0eeSKevin Wolf
2705abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops=1234,throttling.iops-total=5678
2715abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_rd=1234,throttling.iops-read=5678
2725abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_wr=1234,throttling.iops-write=5678
2735abbf0eeSKevin Wolf
2745abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps=1234,throttling.bps-total=5678
2755abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_rd=1234,throttling.bps-read=5678
2765abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_wr=1234,throttling.bps-write=5678
2775abbf0eeSKevin Wolf
2785abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_max=1234,throttling.iops-total-max=5678
2795abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_rd_max=1234,throttling.iops-read-max=5678
2805abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_wr_max=1234,throttling.iops-write-max=5678
2815abbf0eeSKevin Wolf
2825abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_max=1234,throttling.bps-total-max=5678
2835abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_rd_max=1234,throttling.bps-read-max=5678
2845abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",bps_wr_max=1234,throttling.bps-write-max=5678
2855abbf0eeSKevin Wolf
2865abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",iops_size=1234,throttling.iops-size=5678
2875abbf0eeSKevin Wolfrun_qemu -drive file="$TEST_IMG",readonly=on,read-only=off
2885abbf0eeSKevin Wolf
2895abbf0eeSKevin Wolfecho
290e9b15550SFam Zhengecho === Catching negative/large throttling values ===
291e9b15550SFam Zhengecho
292e9b15550SFam Zheng
293e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",iops=-1
294e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=-2
295e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps_rd=-3
296e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps_rd_max=-3
297e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",throttling.iops-total=-4
298e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",throttling.bps-total=-5
299e9b15550SFam Zheng# These are accepted
300e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=0
301e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=1
302e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=1000000000000000
303e9b15550SFam Zheng# While these are not
304e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=1000000000000001
305e9b15550SFam Zhengrun_qemu -drive file="$TEST_IMG",bps=9999999999999999
306e9b15550SFam Zheng
307e9b15550SFam Zhengecho
30898289620SKevin Wolfecho === Parsing protocol from file name ===
30998289620SKevin Wolfecho
31098289620SKevin Wolf
31198289620SKevin Wolf# Protocol strings are supposed to be parsed from traditional option strings,
31298289620SKevin Wolf# but not when using driver-specific options. We can distinguish them by the
31398289620SKevin Wolf# error message for non-existing files.
31498289620SKevin Wolf
31598289620SKevin Wolfrun_qemu -hda foo:bar
31698289620SKevin Wolfrun_qemu -drive file=foo:bar
31798289620SKevin Wolfrun_qemu -drive file.filename=foo:bar
31898289620SKevin Wolf
319e3fa4bfaSKevin Wolfrun_qemu -hda "file:$TEST_IMG"
320e3fa4bfaSKevin Wolfrun_qemu -drive file="file:$TEST_IMG"
321e3fa4bfaSKevin Wolfrun_qemu -drive file.filename="file:$TEST_IMG"
322e3fa4bfaSKevin Wolf
323f32f988cSKevin Wolfecho
324f32f988cSKevin Wolfecho === Snapshot mode ===
325f32f988cSKevin Wolfecho
326f32f988cSKevin Wolf
327f32f988cSKevin Wolf$QEMU_IO -c "write -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io
328f32f988cSKevin Wolf
329289f3ebaSBo Tu
330289f3ebaSBo 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
331289f3ebaSBo 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
332289f3ebaSBo 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\
333289f3ebaSBo Tu                                                 | _filter_qemu_io
334289f3ebaSBo 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\
335289f3ebaSBo Tu                                                 | _filter_qemu_io
336289f3ebaSBo 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
337289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="file:$TEST_IMG",snapshot=on,if=none,id=$device_id | _filter_qemu_io
338b998875dSKevin Wolf
339b998875dSKevin Wolf# Opening a read-only file r/w with snapshot=on
340b998875dSKevin Wolfchmod u-w "$TEST_IMG"
341289f3ebaSBo 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
342289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="$TEST_IMG",snapshot=on,if=none,id=$device_id | _filter_qemu_io
343b998875dSKevin Wolfchmod u+w "$TEST_IMG"
344f32f988cSKevin Wolf
345f32f988cSKevin Wolf$QEMU_IO -c "read -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io
346f32f988cSKevin Wolf
347289f3ebaSBo Tuecho "qemu-io $device_id \"write -P 0x22 0 4k\"" | run_qemu -drive file="$TEST_IMG",snapshot=off,if=none,id=$device_id | _filter_qemu_io
348f32f988cSKevin Wolf
349f32f988cSKevin Wolf$QEMU_IO -c "read -P 0x22 0 4k" "$TEST_IMG" | _filter_qemu_io
350f32f988cSKevin Wolf
351b43671f8SEric Blakeprintf %b "qemu-io $device_id \"write -P 0x33 0 4k\"\ncommit $device_id\n" |
352b43671f8SEric Blake    run_qemu -drive file="$TEST_IMG",snapshot=on,if=none,id=$device_id |
353b43671f8SEric Blake    _filter_qemu_io
354b1e6fc08SKevin Wolf
355b1e6fc08SKevin Wolf$QEMU_IO -c "read -P 0x33 0 4k" "$TEST_IMG" | _filter_qemu_io
356b1e6fc08SKevin Wolf
35747e5df21SKevin Wolf# success, all done
35847e5df21SKevin Wolfecho "*** done"
35947e5df21SKevin Wolfrm -f $seq.full
36047e5df21SKevin Wolfstatus=0
361