cirrus: fix off-by-one in cirrus_bitblt_rop_bkwd_transp_*_16
[qemu.git] / tests / qemu-iotests / 058
1 #!/bin/bash
2 #
3 # Test export internal snapshot by qemu-nbd, convert it by qemu-img.
4 #
5 # Copyright (C) 2013 IBM, Inc.
6 #
7 # Based on 029.
8 #
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
13 #
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 # GNU General Public License for more details.
18 #
19 # You should have received a copy of the GNU General Public License
20 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 #
22
23 # creator
24 owner=xiawenc@linux.vnet.ibm.com
25
26 seq=`basename $0`
27 echo "QA output created by $seq"
28
29 here=`pwd`
30 status=1        # failure is the default!
31
32 nbd_unix_socket=$TEST_DIR/test_qemu_nbd_socket
33 nbd_snapshot_img="nbd:unix:$nbd_unix_socket"
34 rm -f "${TEST_DIR}/qemu-nbd.pid"
35
36 _cleanup_nbd()
37 {
38     local NBD_SNAPSHOT_PID
39     if [ -f "${TEST_DIR}/qemu-nbd.pid" ]; then
40         read NBD_SNAPSHOT_PID < "${TEST_DIR}/qemu-nbd.pid"
41         rm -f "${TEST_DIR}/qemu-nbd.pid"
42         if [ -n "$NBD_SNAPSHOT_PID" ]; then
43             kill "$NBD_SNAPSHOT_PID"
44         fi
45     fi
46     rm -f "$nbd_unix_socket"
47 }
48
49 _wait_for_nbd()
50 {
51     for ((i = 0; i < 300; i++))
52     do
53         if [ -r "$nbd_unix_socket" ]; then
54             return
55         fi
56         sleep 0.1
57     done
58     echo "Failed in check of unix socket created by qemu-nbd"
59     exit 1
60 }
61
62 converted_image=$TEST_IMG.converted
63
64 _export_nbd_snapshot()
65 {
66     _cleanup_nbd
67     $QEMU_NBD -v -t -k "$nbd_unix_socket" "$TEST_IMG" -l $1 &
68     _wait_for_nbd
69 }
70
71 _export_nbd_snapshot1()
72 {
73     _cleanup_nbd
74     $QEMU_NBD -v -t -k "$nbd_unix_socket" "$TEST_IMG" -l snapshot.name=$1 &
75     _wait_for_nbd
76 }
77
78 _cleanup()
79 {
80     _cleanup_nbd
81     _cleanup_test_img
82     rm -f "$converted_image"
83 }
84 trap "_cleanup; exit \$status" 0 1 2 3 15
85
86 # get standard environment, filters and checks
87 . ./common.rc
88 . ./common.filter
89 . ./common.pattern
90
91 _supported_fmt qcow2
92 _supported_proto file
93 _supported_os Linux
94 _require_command QEMU_NBD
95 # Internal snapshots are (currently) impossible with refcount_bits=1
96 _unsupported_imgopts 'refcount_bits=1[^0-9]'
97
98 # Use -f raw instead of -f $IMGFMT for the NBD connection
99 QEMU_IO_NBD="$QEMU_IO -f raw --cache=$CACHEMODE"
100
101 echo
102 echo "== preparing image =="
103 _make_test_img 64M
104 $QEMU_IO -c 'write -P 0xa 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io
105 $QEMU_IO -c 'write -P 0xb 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io
106 $QEMU_IMG snapshot -c sn1 "$TEST_IMG"
107 $QEMU_IO -c 'write -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io
108 $QEMU_IO -c 'write -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io
109 _check_test_img
110
111 echo
112 echo "== verifying the image file with patterns =="
113 $QEMU_IO -c 'read -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io
114 $QEMU_IO -c 'read -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io
115
116 _export_nbd_snapshot sn1
117
118 echo
119 echo "== verifying the exported snapshot with patterns, method 1 =="
120 $QEMU_IO_NBD -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io
121 $QEMU_IO_NBD -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io
122
123 _export_nbd_snapshot1 sn1
124
125 echo
126 echo "== verifying the exported snapshot with patterns, method 2 =="
127 $QEMU_IO_NBD -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io
128 $QEMU_IO_NBD -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io
129
130 $QEMU_IMG convert "$TEST_IMG" -l sn1 -O qcow2 "$converted_image"
131
132 echo
133 echo "== verifying the converted snapshot with patterns, method 1 =="
134 $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io
135 $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io
136
137 $QEMU_IMG convert "$TEST_IMG" -l snapshot.name=sn1 -O qcow2 "$converted_image"
138
139 echo
140 echo "== verifying the converted snapshot with patterns, method 2 =="
141 $QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io
142 $QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io
143
144 # success, all done
145 echo "*** done"
146 rm -f $seq.full
147 status=0