block: Catch backing files assigned to non-COW drivers
[qemu.git] / tests / qemu-iotests / 051
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 owner=kwolf@redhat.com
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
44
45 function do_run_qemu()
46 {
47     echo Testing: "$@"
48     (
49         if ! test -t 0; then
50             while read cmd; do
51                 echo $cmd
52             done
53         fi
54         echo quit
55     ) | $QEMU -nographic -monitor stdio -serial none "$@"
56     echo
57 }
58
59 function run_qemu()
60 {
61     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu
62 }
63
64 size=128M
65
66 _make_test_img $size
67 cp "$TEST_IMG" "$TEST_IMG.orig"
68 mv "$TEST_IMG" "$TEST_IMG.base"
69 _make_test_img -b "$TEST_IMG.base" $size
70
71 echo
72 echo === Unknown option ===
73 echo
74
75 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=
76 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=on
77 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=1234
78 run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=foo
79
80 echo
81 echo === Unknown protocol option ===
82 echo
83
84 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=
85 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=on
86 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=1234
87 run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=foo
88
89 echo
90 echo === Invalid format ===
91 echo
92
93 run_qemu -drive file="$TEST_IMG",format=foo
94 run_qemu -drive file="$TEST_IMG",driver=foo
95 run_qemu -drive file="$TEST_IMG",driver=raw,format=qcow2
96
97 echo
98 echo === Overriding backing file ===
99 echo
100
101 echo "info block" | run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig" -nodefaults
102
103 # Drivers that don't support backing files
104 run_qemu -drive file="$TEST_IMG",driver=raw,backing.file.filename="$TEST_IMG.orig"
105 run_qemu -drive file="$TEST_IMG",file.backing.driver=file,file.backing.filename="$TEST_IMG.orig"
106 run_qemu -drive file="$TEST_IMG",file.backing.driver=qcow2,file.backing.file.filename="$TEST_IMG.orig"
107
108 echo
109 echo === Enable and disable lazy refcounting on the command line, plus some invalid values ===
110 echo
111
112 run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
113 run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
114 run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=
115 run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=42
116 run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=foo
117
118
119 echo
120 echo === With version 2 images enabling lazy refcounts must fail ===
121 echo
122
123 _make_test_img -ocompat=0.10 $size
124
125 run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
126 run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
127
128 echo
129 echo === No medium ===
130 echo
131
132 run_qemu -drive if=floppy
133 run_qemu -drive if=ide,media=cdrom
134 run_qemu -drive if=scsi,media=cdrom
135
136 run_qemu -drive if=ide
137 run_qemu -drive if=virtio
138 run_qemu -drive if=scsi
139
140 run_qemu -drive if=none,id=disk -device ide-cd,drive=disk
141 run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-cd,drive=disk
142
143 run_qemu -drive if=none,id=disk -device ide-drive,drive=disk
144 run_qemu -drive if=none,id=disk -device ide-hd,drive=disk
145 run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-disk,drive=disk
146 run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk
147
148 echo
149 echo === Read-only ===
150 echo
151
152 run_qemu -drive file="$TEST_IMG",if=floppy,readonly=on
153 run_qemu -drive file="$TEST_IMG",if=ide,media=cdrom,readonly=on
154 run_qemu -drive file="$TEST_IMG",if=scsi,media=cdrom,readonly=on
155
156 run_qemu -drive file="$TEST_IMG",if=ide,readonly=on
157 run_qemu -drive file="$TEST_IMG",if=virtio,readonly=on
158 run_qemu -drive file="$TEST_IMG",if=scsi,readonly=on
159
160 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-cd,drive=disk
161 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-cd,drive=disk
162
163 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-drive,drive=disk
164 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-hd,drive=disk
165 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-disk,drive=disk
166 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-hd,drive=disk
167
168 echo
169 echo === Cache modes ===
170 echo
171
172 # Cannot use the test image because cache=none might not work on the host FS
173 # Use cdrom so that we won't get errors about missing media
174
175 run_qemu -drive media=cdrom,cache=none
176 run_qemu -drive media=cdrom,cache=directsync
177 run_qemu -drive media=cdrom,cache=writeback
178 run_qemu -drive media=cdrom,cache=writethrough
179 run_qemu -drive media=cdrom,cache=unsafe
180 run_qemu -drive media=cdrom,cache=invalid_value
181
182 echo
183 echo === Specifying the protocol layer ===
184 echo
185
186 run_qemu -drive file="$TEST_IMG",file.driver=file
187 run_qemu -drive file="$TEST_IMG",file.driver=qcow2
188
189 echo
190 echo === Leaving out required options ===
191 echo
192
193 run_qemu -drive driver=file
194 run_qemu -drive driver=nbd
195 run_qemu -drive driver=raw
196 run_qemu -drive file.driver=file
197 run_qemu -drive file.driver=nbd
198 run_qemu -drive file.driver=raw
199 run_qemu -drive foo=bar
200
201 echo
202 echo === Parsing protocol from file name ===
203 echo
204
205 # Protocol strings are supposed to be parsed from traditional option strings,
206 # but not when using driver-specific options. We can distinguish them by the
207 # error message for non-existing files.
208
209 run_qemu -hda foo:bar
210 run_qemu -drive file=foo:bar
211 run_qemu -drive file.filename=foo:bar
212
213 run_qemu -hda "file:$TEST_IMG"
214 run_qemu -drive file="file:$TEST_IMG"
215 run_qemu -drive file.filename="file:$TEST_IMG"
216
217 echo
218 echo === Snapshot mode ===
219 echo
220
221 $QEMU_IO -c "write -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io
222
223 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG" -snapshot | _filter_qemu_io
224 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io
225 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2,snapshot=on | _filter_qemu_io
226 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2 -snapshot | _filter_qemu_io
227 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="file:$TEST_IMG" -snapshot | _filter_qemu_io
228 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="file:$TEST_IMG",snapshot=on | _filter_qemu_io
229
230 # Opening a read-only file r/w with snapshot=on
231 chmod u-w "$TEST_IMG"
232 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG" -snapshot | _filter_qemu_io
233 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io
234 chmod u+w "$TEST_IMG"
235
236 $QEMU_IO -c "read -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io
237
238 echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=off | _filter_qemu_io
239
240 $QEMU_IO -c "read -P 0x22 0 4k" "$TEST_IMG" | _filter_qemu_io
241
242 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
243
244 $QEMU_IO -c "read -P 0x33 0 4k" "$TEST_IMG" | _filter_qemu_io
245
246 # success, all done
247 echo "*** done"
248 rm -f $seq.full
249 status=0