xref: /qemu/tests/qemu-iotests/036 (revision ac06724a)
1#!/bin/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 $seq"
29
30here=`pwd`
31status=1	# failure is the default!
32
33_cleanup()
34{
35	_cleanup_test_img
36}
37trap "_cleanup; exit \$status" 0 1 2 3 15
38
39# get standard environment, filters and checks
40. ./common.rc
41. ./common.filter
42. ./common.pattern
43
44# This tests qcow2-specific low-level functionality
45_supported_fmt qcow2
46_supported_proto file
47_supported_os Linux
48
49# Only qcow2v3 and later supports feature bits
50IMGOPTS="compat=1.1"
51
52echo
53echo === Image with unknown incompatible feature bit ===
54echo
55_make_test_img 64M
56$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
57
58# Without feature table
59$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
60$PYTHON qcow2.py "$TEST_IMG" dump-header
61_img_info
62
63# With feature table containing bit 63
64printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
65_img_info
66
67echo
68echo === Image with multiple incompatible feature bits ===
69echo
70_make_test_img 64M
71$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 61
72$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 62
73$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
74
75# Without feature table
76$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
77_img_info
78
79# With feature table containing bit 63
80printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
81_img_info
82
83# With feature table containing bit 61
84$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
85printf "\x00\x3d%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
86_img_info
87
88# With feature table containing bits 61 and 62
89$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
90printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s" "test1" "" "test2" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
91_img_info
92
93# With feature table containing all bits
94$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
95printf "\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
96_img_info
97
98# With feature table containing unrelated bits, including compatible/autoclear
99$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
100printf "\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
101_img_info
102
103
104echo === Create image with unknown autoclear feature bit ===
105echo
106_make_test_img 64M
107$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 63
108$PYTHON qcow2.py "$TEST_IMG" dump-header
109
110echo
111echo === Repair image ===
112echo
113_check_test_img -r all
114
115$PYTHON qcow2.py "$TEST_IMG" dump-header
116
117# success, all done
118echo "*** done"
119rm -f $seq.full
120status=0
121