xref: /qemu/tests/qemu-iotests/036 (revision abff1abf)
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# this test requires a cluster size large enough for the feature table
49_unsupported_imgopts 'compat=0.10' data_file \
50		     'cluster_size=\(512\|1024\|2048\|4096\)'
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 | grep features
61$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
62_img_info
63
64# With feature table containing bit 63
65printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
66_img_info
67
68echo
69echo === Image with multiple incompatible feature bits ===
70echo
71_make_test_img 64M
72$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 61
73$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 62
74$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
75
76# Without feature table
77$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
78_img_info
79
80# With feature table containing bit 63
81printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
82_img_info
83
84# With feature table containing bit 61
85$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
86printf "\x00\x3d%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
87_img_info
88
89# With feature table containing bits 61 and 62
90$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
91printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s" "test1" "" "test2" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
92_img_info
93
94# With feature table containing all bits
95$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
96printf "\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
97_img_info
98
99# With feature table containing unrelated bits, including compatible/autoclear
100$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
101printf "\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
102_img_info
103
104
105echo === Create image with unknown autoclear feature bit ===
106echo
107_make_test_img 64M
108$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 63
109$PYTHON qcow2.py "$TEST_IMG" dump-header | grep features
110$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
111
112echo
113echo === Repair image ===
114echo
115_check_test_img -r all
116
117$PYTHON qcow2.py "$TEST_IMG" dump-header | grep features
118$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
119
120# success, all done
121echo "*** done"
122rm -f $seq.full
123status=0
124