xref: /qemu/tests/qemu-iotests/073 (revision 6402cbbb) 
1#!/bin/bash
2#
3# Test count_contiguous_clusters in qcow2
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
22owner=kwolf@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27here=`pwd`
28status=1	# failure is the default!
29
30_cleanup()
31{
32    _cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt qcow2
41_supported_proto generic
42_unsupported_proto vxhs
43_supported_os Linux
44
45CLUSTER_SIZE=64k
46size=128M
47
48echo
49echo "== creating backing file =="
50
51TEST_IMG="$TEST_IMG.base" _make_test_img $size
52
53_make_test_img -b "$TEST_IMG.base"
54$QEMU_IO -c "write -P 0xa5 0 $size" "$TEST_IMG.base" | _filter_qemu_io
55
56echo
57echo "== normal -> unallocated =="
58
59$QEMU_IO -c "write -P 0x11 0 0x10000" "$TEST_IMG" | _filter_qemu_io
60$QEMU_IO -c "write -P 0x11 0x10000 0x10000" "$TEST_IMG.base" | _filter_qemu_io
61
62$QEMU_IO -c "read -P 0x11 0 0x20000" "$TEST_IMG" | _filter_qemu_io
63
64echo
65echo "== normal -> compressed =="
66
67$QEMU_IO -c "write -P 0x22 0x20000 0x10000" "$TEST_IMG" | _filter_qemu_io
68$QEMU_IO -c "write -c -P 0x22 0x30000 0x10000" "$TEST_IMG" | _filter_qemu_io
69
70$QEMU_IO -c "read -P 0x22 0x20000 0x20000" "$TEST_IMG" | _filter_qemu_io
71
72echo
73echo "== normal -> zero =="
74
75$QEMU_IO -c "write -P 0x33 0x40000 0x20000" "$TEST_IMG" | _filter_qemu_io
76$QEMU_IO -c "write -P 0x33 0x40000 0x20000" "$TEST_IMG.base" | _filter_qemu_io
77$QEMU_IO -c "write -P 0 0x40000 0x10000" "$TEST_IMG" | _filter_qemu_io
78$QEMU_IO -c "write -z 0x50000 0x10000" "$TEST_IMG" | _filter_qemu_io
79
80$QEMU_IO -c "read -P 0 0x40000 0x20000" "$TEST_IMG" | _filter_qemu_io
81
82echo
83echo
84echo "== unallocated -> normal =="
85
86$QEMU_IO -c "write -P 0x44 0x60000 0x10000" "$TEST_IMG.base" | _filter_qemu_io
87$QEMU_IO -c "write -P 0x44 0x70000 0x10000" "$TEST_IMG" | _filter_qemu_io
88
89$QEMU_IO -c "read -P 0x44 0x60000 0x20000" "$TEST_IMG" | _filter_qemu_io
90
91echo
92echo "== unallocated -> compressed =="
93
94$QEMU_IO -c "write -P 0x55 0x80000 0x10000" "$TEST_IMG.base" | _filter_qemu_io
95$QEMU_IO -c "write -c -P 0x55 0x90000 0x10000" "$TEST_IMG" | _filter_qemu_io
96
97$QEMU_IO -c "read -P 0x55 0x80000 0x20000" "$TEST_IMG" | _filter_qemu_io
98
99echo
100echo "== unallocated -> zero =="
101
102$QEMU_IO -c "write -P 0x66 0xa0000 0x20000" "$TEST_IMG.base" | _filter_qemu_io
103$QEMU_IO -c "write -P 0 0xa0000 0x10000" "$TEST_IMG.base" | _filter_qemu_io
104$QEMU_IO -c "write -z 0xb0000 0x10000" "$TEST_IMG" | _filter_qemu_io
105
106$QEMU_IO -c "read -P 0 0xa0000 0x20000" "$TEST_IMG" | _filter_qemu_io
107
108echo
109echo
110echo "== compressed -> normal =="
111
112$QEMU_IO -c "write -c -P 0x77 0xc0000 0x10000" "$TEST_IMG" | _filter_qemu_io
113$QEMU_IO -c "write -P 0x77 0xd0000 0x10000" "$TEST_IMG" | _filter_qemu_io
114
115$QEMU_IO -c "read -P 0x77 0xc0000 0x20000" "$TEST_IMG" | _filter_qemu_io
116
117echo
118echo "== compressed -> unallocated =="
119
120$QEMU_IO -c "write -c -P 0x88 0xe0000 0x10000" "$TEST_IMG" | _filter_qemu_io
121$QEMU_IO -c "write -P 0x88 0xf0000 0x10000" "$TEST_IMG.base" | _filter_qemu_io
122
123$QEMU_IO -c "read -P 0x88 0xe0000 0x20000" "$TEST_IMG" | _filter_qemu_io
124
125echo
126echo "== compressed -> zero =="
127
128$QEMU_IO -c "write -c -P 0 0x100000 0x10000" "$TEST_IMG" | _filter_qemu_io
129$QEMU_IO -c "write -c -P 0x99 0x110000 0x10000" "$TEST_IMG" | _filter_qemu_io
130$QEMU_IO -c "write -z 0x110000 0x10000" "$TEST_IMG" | _filter_qemu_io
131
132$QEMU_IO -c "read -P 0 0x100000 0x20000" "$TEST_IMG" | _filter_qemu_io
133
134echo
135echo
136echo "== zero -> normal =="
137
138$QEMU_IO -c "write -P 0xaa 0x120000 0x10000" "$TEST_IMG" | _filter_qemu_io
139$QEMU_IO -c "write -P 0 0x130000 0x10000" "$TEST_IMG" | _filter_qemu_io
140$QEMU_IO -c "write -z 0x120000 0x10000" "$TEST_IMG" | _filter_qemu_io
141
142$QEMU_IO -c "read -P 0 0x120000 0x20000" "$TEST_IMG" | _filter_qemu_io
143
144echo
145echo "== zero -> unallocated =="
146
147$QEMU_IO -c "write -z 0x140000 0x10000" "$TEST_IMG" | _filter_qemu_io
148$QEMU_IO -c "write -P 0 0x150000 0x10000" "$TEST_IMG.base" | _filter_qemu_io
149
150$QEMU_IO -c "read -P 0 0x140000 0x20000" "$TEST_IMG" | _filter_qemu_io
151
152echo
153echo "== zero -> compressed =="
154
155$QEMU_IO -c "write -c -P 0 0x170000 0x10000" "$TEST_IMG" | _filter_qemu_io
156$QEMU_IO -c "write -z 0x160000 0x10000" "$TEST_IMG" | _filter_qemu_io
157
158$QEMU_IO -c "read -P 0 0x160000 0x20000" "$TEST_IMG" | _filter_qemu_io
159
160
161_check_test_img
162
163# success, all done
164echo "*** done"
165rm -f $seq.full
166status=0
167