xref: /qemu/tests/qemu-iotests/036 (revision c4b8ffcb)
1#!/usr/bin/env bash
2# group: rw auto quick
3#
4# Test qcow2 feature bits
5#
6# Copyright (C) 2011 Red Hat, Inc.
7# Copyright IBM, Corp. 2010
8#
9# Based on test 031.
10#
11# This program is free software; you can redistribute it and/or modify
12# it under the terms of the GNU General Public License as published by
13# the Free Software Foundation; either version 2 of the License, or
14# (at your option) any later version.
15#
16# This program is distributed in the hope that it will be useful,
17# but WITHOUT ANY WARRANTY; without even the implied warranty of
18# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19# GNU General Public License for more details.
20#
21# You should have received a copy of the GNU General Public License
22# along with this program.  If not, see <http://www.gnu.org/licenses/>.
23#
24
25# creator
26owner=stefanha@redhat.com
27
28seq=`basename $0`
29echo "QA output created by $seq"
30
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 fuse
47# Only qcow2v3 and later supports feature bits;
48# qcow2.py does not support external data files;
49# this test requires a cluster size large enough for the feature table
50_unsupported_imgopts 'compat=0.10' data_file \
51		     'cluster_size=\(512\|1024\|2048\|4096\)'
52
53echo
54echo === Image with unknown incompatible feature bit ===
55echo
56_make_test_img 64M
57$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
58
59# Without feature table
60$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
61_qcow2_dump_header | grep features
62$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
63_img_info
64
65# With feature table containing bit 63
66printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
67_img_info
68
69echo
70echo === Image with multiple incompatible feature bits ===
71echo
72_make_test_img 64M
73$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 61
74$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 62
75$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
76
77# Without feature table
78$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
79_img_info
80
81# With feature table containing bit 63
82printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
83_img_info
84
85# With feature table containing bit 61
86$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
87printf "\x00\x3d%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
88_img_info
89
90# With feature table containing bits 61 and 62
91$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
92printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s" "test1" "" "test2" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
93_img_info
94
95# With feature table containing all bits
96$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
97printf "\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
98_img_info
99
100# With feature table containing unrelated bits, including compatible/autoclear
101$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
102printf "\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
103_img_info
104
105
106echo === Create image with unknown autoclear feature bit ===
107echo
108_make_test_img 64M
109$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 63
110_qcow2_dump_header | grep features
111$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
112
113echo
114echo === Repair image ===
115echo
116_check_test_img -r all
117
118_qcow2_dump_header | grep features
119$PYTHON qcow2.py "$TEST_IMG" dump-header-exts
120
121# success, all done
122echo "*** done"
123rm -f $seq.full
124status=0
125