[qemu.git] / tests / qemu-iotests / 051

#!/bin/bash
#
# Test command line configuration of block devices and driver-specific options
#
# Copyright (C) 2013 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# creator
[email protected]

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
	_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_supported_fmt qcow2
_supported_proto file
_supported_os Linux
# A compat=0.10 image is created in this test which does not support anything
# other than refcount_bits=16
_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'

function do_run_qemu()
{
    echo Testing: "$@"
    (
        if ! test -t 0; then
            while read cmd; do
                echo $cmd
            done
        fi
        echo quit
    ) | $QEMU -nographic -monitor stdio -serial none "$@"
    echo
}

function run_qemu()
{
    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_generated_node_ids
}

size=128M

_make_test_img $size
cp "$TEST_IMG" "$TEST_IMG.orig"
mv "$TEST_IMG" "$TEST_IMG.base"
_make_test_img -b "$TEST_IMG.base" $size

echo
echo === Unknown option ===
echo

run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=
run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=on
run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=1234
run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=foo

echo
echo === Unknown protocol option ===
echo

run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=
run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=on
run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=1234
run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=foo

echo
echo === Invalid format ===
echo

run_qemu -drive file="$TEST_IMG",format=foo
run_qemu -drive file="$TEST_IMG",driver=foo
run_qemu -drive file="$TEST_IMG",driver=raw,format=qcow2
run_qemu -drive file="$TEST_IMG",driver=qcow2,format=qcow2

echo
echo === Device without drive ===
echo

run_qemu -device virtio-scsi-pci -device scsi-hd

echo
echo === Overriding backing file ===
echo

echo "info block" | run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig" -nodefaults\
                  | _filter_generated_node_ids

# Drivers that don't support backing files
run_qemu -drive file="$TEST_IMG",driver=raw,backing.file.filename="$TEST_IMG.orig"
run_qemu -drive file="$TEST_IMG",file.backing.driver=file,file.backing.filename="$TEST_IMG.orig"
run_qemu -drive file="$TEST_IMG",file.backing.driver=qcow2,file.backing.file.filename="$TEST_IMG.orig"

echo
echo === Enable and disable lazy refcounting on the command line, plus some invalid values ===
echo

run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=42
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=foo


echo
echo === With version 2 images enabling lazy refcounts must fail ===
echo

_make_test_img -ocompat=0.10 $size

run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off

echo
echo === No medium ===
echo

run_qemu -drive if=floppy
run_qemu -drive if=ide,media=cdrom
run_qemu -drive if=scsi,media=cdrom

run_qemu -drive if=ide
run_qemu -drive if=virtio
run_qemu -drive if=scsi

run_qemu -drive if=none,id=disk -device ide-cd,drive=disk
run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-cd,drive=disk

run_qemu -drive if=none,id=disk -device ide-drive,drive=disk
run_qemu -drive if=none,id=disk -device ide-hd,drive=disk
run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-disk,drive=disk
run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk

echo
echo === Read-only ===
echo

run_qemu -drive file="$TEST_IMG",if=floppy,readonly=on
run_qemu -drive file="$TEST_IMG",if=ide,media=cdrom,readonly=on
run_qemu -drive file="$TEST_IMG",if=scsi,media=cdrom,readonly=on

run_qemu -drive file="$TEST_IMG",if=ide,readonly=on
run_qemu -drive file="$TEST_IMG",if=virtio,readonly=on
run_qemu -drive file="$TEST_IMG",if=scsi,readonly=on

run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-cd,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-cd,drive=disk

run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-drive,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-hd,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-disk,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-hd,drive=disk

echo
echo === Cache modes ===
echo

# Cannot use the test image because cache=none might not work on the host FS
# Use cdrom so that we won't get errors about missing media

run_qemu -drive driver=null-co,cache=none
run_qemu -drive driver=null-co,cache=directsync
run_qemu -drive driver=null-co,cache=writeback
run_qemu -drive driver=null-co,cache=writethrough
run_qemu -drive driver=null-co,cache=unsafe
run_qemu -drive driver=null-co,cache=invalid_value

# Can't test direct=on here because O_DIRECT might not be supported on this FS
# Test 142 checks the direct=on cases

for cache in writeback writethrough unsafe invalid_value; do
    echo -e "info block\ninfo block file\ninfo block backing\ninfo block backing-file" | \
    run_qemu -drive file="$TEST_IMG",cache=$cache,backing.file.filename="$TEST_IMG.base",backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file -nodefaults
done

echo
echo === Specifying the protocol layer ===
echo

run_qemu -drive file="$TEST_IMG",file.driver=file

echo
echo === Leaving out required options ===
echo

run_qemu -drive driver=file
run_qemu -drive driver=nbd
run_qemu -drive driver=raw
run_qemu -drive file.driver=file
run_qemu -drive file.driver=nbd
run_qemu -drive file.driver=raw
run_qemu -drive foo=bar

echo
echo === Specifying both an option and its legacy alias ===
echo

run_qemu -drive file="$TEST_IMG",iops=1234,throttling.iops-total=5678
run_qemu -drive file="$TEST_IMG",iops_rd=1234,throttling.iops-read=5678
run_qemu -drive file="$TEST_IMG",iops_wr=1234,throttling.iops-write=5678

run_qemu -drive file="$TEST_IMG",bps=1234,throttling.bps-total=5678
run_qemu -drive file="$TEST_IMG",bps_rd=1234,throttling.bps-read=5678
run_qemu -drive file="$TEST_IMG",bps_wr=1234,throttling.bps-write=5678

run_qemu -drive file="$TEST_IMG",iops_max=1234,throttling.iops-total-max=5678
run_qemu -drive file="$TEST_IMG",iops_rd_max=1234,throttling.iops-read-max=5678
run_qemu -drive file="$TEST_IMG",iops_wr_max=1234,throttling.iops-write-max=5678

run_qemu -drive file="$TEST_IMG",bps_max=1234,throttling.bps-total-max=5678
run_qemu -drive file="$TEST_IMG",bps_rd_max=1234,throttling.bps-read-max=5678
run_qemu -drive file="$TEST_IMG",bps_wr_max=1234,throttling.bps-write-max=5678

run_qemu -drive file="$TEST_IMG",iops_size=1234,throttling.iops-size=5678
run_qemu -drive file="$TEST_IMG",readonly=on,read-only=off

echo
echo === Parsing protocol from file name ===
echo

# Protocol strings are supposed to be parsed from traditional option strings,
# but not when using driver-specific options. We can distinguish them by the
# error message for non-existing files.

run_qemu -hda foo:bar
run_qemu -drive file=foo:bar
run_qemu -drive file.filename=foo:bar

run_qemu -hda "file:$TEST_IMG"
run_qemu -drive file="file:$TEST_IMG"
run_qemu -drive file.filename="file:$TEST_IMG"

echo
echo === Snapshot mode ===
echo

$QEMU_IO -c "write -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io

echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG" -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2,snapshot=on | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2 -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="file:$TEST_IMG" -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="file:$TEST_IMG",snapshot=on | _filter_qemu_io

# Opening a read-only file r/w with snapshot=on
chmod u-w "$TEST_IMG"
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG" -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io
chmod u+w "$TEST_IMG"

$QEMU_IO -c "read -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io

echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=off | _filter_qemu_io

$QEMU_IO -c "read -P 0x22 0 4k" "$TEST_IMG" | _filter_qemu_io

echo -e 'qemu-io ide0-hd0 "write -P 0x33 0 4k"\ncommit ide0-hd0' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io

$QEMU_IO -c "read -P 0x33 0 4k" "$TEST_IMG" | _filter_qemu_io

# success, all done
echo "*** done"
rm -f $seq.full
status=0
Commit	Line	Data
47e5df21 KW	1	#!/bin/bash
	2	#
	3	# Test command line configuration of block devices and driver-specific options
	4	#
	5	# Copyright (C) 2013 Red Hat, Inc.
	6	#
	7	# This program is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 2 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# This program is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	# GNU General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	#
	20
	21	# creator
	22	[email protected]
	23
	24	seq=`basename $0`
	25	echo "QA output created by $seq"
	26
	27	here=`pwd`
	28	tmp=/tmp/$$
	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 qcow2
	42	_supported_proto file
	43	_supported_os Linux
5262caa7 HR	44	# A compat=0.10 image is created in this test which does not support anything
	45	# other than refcount_bits=16
	46	_unsupported_imgopts 'refcount_bits=\([^1]\\|.\([^6]\\|$\)\)'
47e5df21 KW	47
	48	function do_run_qemu()
	49	{
	50	echo Testing: "$@"
4db9c980 FZ	51	(
	52	if ! test -t 0; then
	53	while read cmd; do
	54	echo $cmd
	55	done
	56	fi
	57	echo quit
	58	) \| $QEMU -nographic -monitor stdio -serial none "$@"
47e5df21 KW	59	echo
	60	}
	61
	62	function run_qemu()
	63	{
768ee459	64	do_run_qemu "$@" 2>&1 \| _filter_testdir \| _filter_qemu \| _filter_generated_node_ids
47e5df21 KW	65	}
	66
	67	size=128M
	68
	69	_make_test_img $size
1ab39193 JC	70	cp "$TEST_IMG" "$TEST_IMG.orig"
	71	mv "$TEST_IMG" "$TEST_IMG.base"
	72	_make_test_img -b "$TEST_IMG.base" $size
47e5df21 KW	73
	74	echo
	75	echo === Unknown option ===
	76	echo
	77
fef9c191 JC	78	run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=
	79	run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=on
	80	run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=1234
	81	run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=foo
47e5df21	82
eb909c7f KW	83	echo
	84	echo === Unknown protocol option ===
	85	echo
	86
	87	run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=
	88	run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=on
	89	run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=1234
	90	run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=foo
	91
06d22aa3 KW	92	echo
	93	echo === Invalid format ===
	94	echo
	95
	96	run_qemu -drive file="$TEST_IMG",format=foo
	97	run_qemu -drive file="$TEST_IMG",driver=foo
17b005f1	98	run_qemu -drive file="$TEST_IMG",driver=raw,format=qcow2
80495fdf	99	run_qemu -drive file="$TEST_IMG",driver=qcow2,format=qcow2
06d22aa3	100
354483e5 CB	101	echo
	102	echo === Device without drive ===
	103	echo
	104
	105	run_qemu -device virtio-scsi-pci -device scsi-hd
	106
4db9c980 FZ	107	echo
	108	echo === Overriding backing file ===
	109	echo
	110
15489c76 JC	111	echo "info block" \| run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig" -nodefaults\
15489c76 JC	112	\| _filter_generated_node_ids
47e5df21	113
8ee79e70 KW	114	# Drivers that don't support backing files
	115	run_qemu -drive file="$TEST_IMG",driver=raw,backing.file.filename="$TEST_IMG.orig"
	116	run_qemu -drive file="$TEST_IMG",file.backing.driver=file,file.backing.filename="$TEST_IMG.orig"
	117	run_qemu -drive file="$TEST_IMG",file.backing.driver=qcow2,file.backing.file.filename="$TEST_IMG.orig"
	118
47e5df21 KW	119	echo
	120	echo === Enable and disable lazy refcounting on the command line, plus some invalid values ===
	121	echo
	122
fef9c191 JC	123	run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
	124	run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
	125	run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=
	126	run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=42
	127	run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=foo
47e5df21 KW	128
	129
	130	echo
	131	echo === With version 2 images enabling lazy refcounts must fail ===
	132	echo
	133
	134	_make_test_img -ocompat=0.10 $size
	135
fef9c191 JC	136	run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
fef9c191 JC	137	run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
47e5df21 KW	138
	139	echo
	140	echo === No medium ===
	141	echo
	142
	143	run_qemu -drive if=floppy
	144	run_qemu -drive if=ide,media=cdrom
	145	run_qemu -drive if=scsi,media=cdrom
	146
	147	run_qemu -drive if=ide
	148	run_qemu -drive if=virtio
	149	run_qemu -drive if=scsi
	150
	151	run_qemu -drive if=none,id=disk -device ide-cd,drive=disk
	152	run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-cd,drive=disk
	153
	154	run_qemu -drive if=none,id=disk -device ide-drive,drive=disk
	155	run_qemu -drive if=none,id=disk -device ide-hd,drive=disk
	156	run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-disk,drive=disk
	157	run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk
	158
	159	echo
	160	echo === Read-only ===
	161	echo
	162
fef9c191 JC	163	run_qemu -drive file="$TEST_IMG",if=floppy,readonly=on
	164	run_qemu -drive file="$TEST_IMG",if=ide,media=cdrom,readonly=on
	165	run_qemu -drive file="$TEST_IMG",if=scsi,media=cdrom,readonly=on
47e5df21	166
fef9c191 JC	167	run_qemu -drive file="$TEST_IMG",if=ide,readonly=on
	168	run_qemu -drive file="$TEST_IMG",if=virtio,readonly=on
	169	run_qemu -drive file="$TEST_IMG",if=scsi,readonly=on
47e5df21	170
fef9c191 JC	171	run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-cd,drive=disk
fef9c191 JC	172	run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-cd,drive=disk
47e5df21	173
fef9c191 JC	174	run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-drive,drive=disk
	175	run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-hd,drive=disk
	176	run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-disk,drive=disk
	177	run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-hd,drive=disk
47e5df21 KW	178
	179	echo
	180	echo === Cache modes ===
	181	echo
	182
	183	# Cannot use the test image because cache=none might not work on the host FS
	184	# Use cdrom so that we won't get errors about missing media
	185
fc17c259 KW	186	run_qemu -drive driver=null-co,cache=none
	187	run_qemu -drive driver=null-co,cache=directsync
	188	run_qemu -drive driver=null-co,cache=writeback
	189	run_qemu -drive driver=null-co,cache=writethrough
	190	run_qemu -drive driver=null-co,cache=unsafe
	191	run_qemu -drive driver=null-co,cache=invalid_value
47e5df21	192
768ee459 KW	193	# Can't test direct=on here because O_DIRECT might not be supported on this FS
	194	# Test 142 checks the direct=on cases
	195
	196	for cache in writeback writethrough unsafe invalid_value; do
	197	echo -e "info block\ninfo block file\ninfo block backing\ninfo block backing-file" \| \
	198	run_qemu -drive file="$TEST_IMG",cache=$cache,backing.file.filename="$TEST_IMG.base",backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file -nodefaults
	199	done
	200
2af5ef70 KW	201	echo
	202	echo === Specifying the protocol layer ===
	203	echo
	204
fef9c191	205	run_qemu -drive file="$TEST_IMG",file.driver=file
2af5ef70	206
765003db KW	207	echo
	208	echo === Leaving out required options ===
	209	echo
	210
	211	run_qemu -drive driver=file
	212	run_qemu -drive driver=nbd
	213	run_qemu -drive driver=raw
	214	run_qemu -drive file.driver=file
	215	run_qemu -drive file.driver=nbd
	216	run_qemu -drive file.driver=raw
	217	run_qemu -drive foo=bar
	218
5abbf0ee KW	219	echo
	220	echo === Specifying both an option and its legacy alias ===
	221	echo
	222
	223	run_qemu -drive file="$TEST_IMG",iops=1234,throttling.iops-total=5678
	224	run_qemu -drive file="$TEST_IMG",iops_rd=1234,throttling.iops-read=5678
	225	run_qemu -drive file="$TEST_IMG",iops_wr=1234,throttling.iops-write=5678
	226
	227	run_qemu -drive file="$TEST_IMG",bps=1234,throttling.bps-total=5678
	228	run_qemu -drive file="$TEST_IMG",bps_rd=1234,throttling.bps-read=5678
	229	run_qemu -drive file="$TEST_IMG",bps_wr=1234,throttling.bps-write=5678
	230
	231	run_qemu -drive file="$TEST_IMG",iops_max=1234,throttling.iops-total-max=5678
	232	run_qemu -drive file="$TEST_IMG",iops_rd_max=1234,throttling.iops-read-max=5678
	233	run_qemu -drive file="$TEST_IMG",iops_wr_max=1234,throttling.iops-write-max=5678
	234
	235	run_qemu -drive file="$TEST_IMG",bps_max=1234,throttling.bps-total-max=5678
	236	run_qemu -drive file="$TEST_IMG",bps_rd_max=1234,throttling.bps-read-max=5678
	237	run_qemu -drive file="$TEST_IMG",bps_wr_max=1234,throttling.bps-write-max=5678
	238
	239	run_qemu -drive file="$TEST_IMG",iops_size=1234,throttling.iops-size=5678
	240	run_qemu -drive file="$TEST_IMG",readonly=on,read-only=off
	241
98289620 KW	242	echo
	243	echo === Parsing protocol from file name ===
	244	echo
	245
	246	# Protocol strings are supposed to be parsed from traditional option strings,
	247	# but not when using driver-specific options. We can distinguish them by the
	248	# error message for non-existing files.
	249
	250	run_qemu -hda foo:bar
	251	run_qemu -drive file=foo:bar
	252	run_qemu -drive file.filename=foo:bar
	253
e3fa4bfa KW	254	run_qemu -hda "file:$TEST_IMG"
	255	run_qemu -drive file="file:$TEST_IMG"
	256	run_qemu -drive file.filename="file:$TEST_IMG"
	257
f32f988c KW	258	echo
	259	echo === Snapshot mode ===
	260	echo
	261
	262	$QEMU_IO -c "write -P 0x11 0 4k" "$TEST_IMG" \| _filter_qemu_io
	263
	264	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file="$TEST_IMG" -snapshot \| _filter_qemu_io
	265	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file="$TEST_IMG",snapshot=on \| _filter_qemu_io
	266	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file.filename="$TEST_IMG",driver=qcow2,snapshot=on \| _filter_qemu_io
	267	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file.filename="$TEST_IMG",driver=qcow2 -snapshot \| _filter_qemu_io
b998875d KW	268	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file="file:$TEST_IMG" -snapshot \| _filter_qemu_io
	269	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file="file:$TEST_IMG",snapshot=on \| _filter_qemu_io
	270
	271	# Opening a read-only file r/w with snapshot=on
	272	chmod u-w "$TEST_IMG"
	273	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file="$TEST_IMG" -snapshot \| _filter_qemu_io
	274	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file="$TEST_IMG",snapshot=on \| _filter_qemu_io
	275	chmod u+w "$TEST_IMG"
f32f988c KW	276
	277	$QEMU_IO -c "read -P 0x11 0 4k" "$TEST_IMG" \| _filter_qemu_io
	278
	279	echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' \| run_qemu -drive file="$TEST_IMG",snapshot=off \| _filter_qemu_io
	280
	281	$QEMU_IO -c "read -P 0x22 0 4k" "$TEST_IMG" \| _filter_qemu_io
	282
b1e6fc08 KW	283	echo -e 'qemu-io ide0-hd0 "write -P 0x33 0 4k"\ncommit ide0-hd0' \| run_qemu -drive file="$TEST_IMG",snapshot=on \| _filter_qemu_io
	284
	285	$QEMU_IO -c "read -P 0x33 0 4k" "$TEST_IMG" \| _filter_qemu_io
	286
47e5df21 KW	287	# success, all done
	288	echo "*** done"
	289	rm -f $seq.full
	290	status=0