4 # Test qcow2 feature bits
6 # Copyright (C) 2011 Red Hat, Inc.
7 # Copyright IBM, Corp. 2010
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.
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.
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/>.
26 owner=stefanha@redhat.com
29 echo "QA output created by $seq"
31 status=1 # failure is the default!
37 trap "_cleanup; exit \$status" 0 1 2 3 15
39 # get standard environment, filters and checks
44 # This tests qcow2-specific low-level functionality
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=\(512\|1024\|2048\|4096\)'
54 echo === Image with unknown incompatible feature bit ===
57 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
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
65 # With feature table containing bit 63
66 printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
70 echo === Image with multiple incompatible feature bits ===
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
77 # Without feature table
78 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
81 # With feature table containing bit 63
82 printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
85 # With feature table containing bit 61
86 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
87 printf "\x00\x3d%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
90 # With feature table containing bits 61 and 62
91 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
92 printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s" "test1" "" "test2" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
95 # With feature table containing all bits
96 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
97 printf "\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
100 # With feature table containing unrelated bits, including compatible/autoclear
101 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
102 printf "\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
106 echo === Create image with unknown autoclear feature bit ===
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
114 echo === Repair image ===
116 _check_test_img -r all
118 _qcow2_dump_header | grep features
119 $PYTHON qcow2.py "$TEST_IMG" dump-header-exts