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
  46
  47 # Only qcow2v3 and later supports feature bits
  48 IMGOPTS="compat=1.1"
  49
  50 echo
  51 echo === Image with unknown incompatible feature bit ===
  52 echo
  53 _make_test_img 64M
  54 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
  55
  56 # Without feature table
  57 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  58 $PYTHON qcow2.py "$TEST_IMG" dump-header
  59 _img_info
  60
  61 # With feature table containing bit 63
  62 printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  63 _img_info
  64
  65 echo
  66 echo === Image with multiple incompatible feature bits ===
  67 echo
  68 _make_test_img 64M
  69 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 61
  70 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 62
  71 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
  72
  73 # Without feature table
  74 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  75 _img_info
  76
  77 # With feature table containing bit 63
  78 printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  79 _img_info
  80
  81 # With feature table containing bit 61
  82 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  83 printf "\x00\x3d%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  84 _img_info
  85
  86 # With feature table containing bits 61 and 62
  87 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  88 printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s" "test1" "" "test2" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  89 _img_info
  90
  91 # With feature table containing all bits
  92 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  93 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
  94 _img_info
  95
  96 # With feature table containing unrelated bits, including compatible/autoclear
  97 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  98 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
  99 _img_info
 100
 101
 102 echo === Create image with unknown autoclear feature bit ===
 103 echo
 104 _make_test_img 64M
 105 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 63
 106 $PYTHON qcow2.py "$TEST_IMG" dump-header
 107
 108 echo
 109 echo === Repair image ===
 110 echo
 111 _check_test_img -r all
 112
 113 $PYTHON qcow2.py "$TEST_IMG" dump-header
 114
 115 # success, all done
 116 echo "*** done"
 117 rm -f $seq.full
 118 status=0