tests/qemu-iotests/036

   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
  25 owner=stefanha@linux.vnet.ibm.com
  26
  27 seq=`basename $0`
  28 echo "QA output created by $seq"
  29
  30 status=1        # failure is the default!
  31
  32 _cleanup()
  33 {
  34         _cleanup_test_img
  35 }
  36 trap "_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 fuse
  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
  52 echo
  53 echo === Image with unknown incompatible feature bit ===
  54 echo
  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
  65 printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  66 _img_info
  67
  68 echo
  69 echo === Image with multiple incompatible feature bits ===
  70 echo
  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
  81 printf "\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
  86 printf "\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
  91 printf "\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
  96 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
  97 _img_info
  98
  99 # With feature table containing unrelated bits, including compatible/autoclear
 100 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
 101 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
 102 _img_info
 103
 104
 105 echo === Create image with unknown autoclear feature bit ===
 106 echo
 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
 112 echo
 113 echo === Repair image ===
 114 echo
 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
 121 echo "*** done"
 122 rm -f $seq.full
 123 status=0