xref: /qemu/tests/qemu-iotests/036 (revision 770275ed)
1#!/usr/bin/env bash
2#
3# Test qcow2 feature bits
4#
5# Copyright (C) 2011 Red Hat, Inc.
6# Copyright IBM, Corp. 2010
7#
8# Based on test 031.
9#
10# This program is free software; you can redistribute it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 2 of the License, or
13# (at your option) any later version.
14#
15# This program is distributed in the hope that it will be useful,
16# but WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18# GNU General Public License for more details.
19#
20# You should have received a copy of the GNU General Public License
21# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22#
23
24# creator
25owner=stefanha@linux.vnet.ibm.com
26
27seq=`basename $0`
28echo "QA output created by $seq"
29
30status=1	# failure is the default!
31
32_cleanup()
33{
34	_cleanup_test_img
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38# get standard environment, filters and checks
39. ./common.rc
40. ./common.filter
41. ./common.pattern
42
43# This tests qcow2-specific low-level functionality
44_supported_fmt qcow2
45_supported_proto file
46# Only qcow2v3 and later supports feature bits;
47# qcow2.py does not support external data files
48_unsupported_imgopts 'compat=0.10' data_file
49
50echo
51echo === Image with unknown incompatible feature bit ===
52echo
53_make_test_img 64M
54$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
55
56# Without feature table
57$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
58$PYTHON qcow2.py "$TEST_IMG" dump-header | grep features
59$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
60_img_info
61
62# With feature table containing bit 63
63printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
64_img_info
65
66echo
67echo === Image with multiple incompatible feature bits ===
68echo
69_make_test_img 64M
70$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 61
71$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 62
72$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
73
74# Without feature table
75$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
76_img_info
77
78# With feature table containing bit 63
79printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
80_img_info
81
82# With feature table containing bit 61
83$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
84printf "\x00\x3d%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
85_img_info
86
87# With feature table containing bits 61 and 62
88$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
89printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s" "test1" "" "test2" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
90_img_info
91
92# With feature table containing all bits
93$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
94printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s\x00\x3f%s\x00%40s" "test1" "" "test2" "" "test3" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
95_img_info
96
97# With feature table containing unrelated bits, including compatible/autoclear
98$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
99printf "\x01\x3d%s\x00%40s\x00\x3e%s\x00%40s\x02\x3f%s\x00%40s\x00\x3c%s\x00%40s" "test1" "" "test2" "" "test3" "" "test4" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
100_img_info
101
102
103echo === Create image with unknown autoclear feature bit ===
104echo
105_make_test_img 64M
106$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 63
107$PYTHON qcow2.py "$TEST_IMG" dump-header | grep features
108$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
109
110echo
111echo === Repair image ===
112echo
113_check_test_img -r all
114
115$PYTHON qcow2.py "$TEST_IMG" dump-header | grep features
116$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
117
118# success, all done
119echo "*** done"
120rm -f $seq.full
121status=0
122