tests/qemu-iotests/157

   1 #!/bin/bash
   2 #
   3 # Test command line configuration of block devices with qdev
   4 #
   5 # Copyright (C) 2016 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=kwolf@redhat.com
  23
  24 seq="$(basename $0)"
  25 echo "QA output created by $seq"
  26
  27 here="$PWD"
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt generic
  41 _supported_proto file
  42 _supported_os Linux
  43
  44 function do_run_qemu()
  45 {
  46     echo Testing: "$@"
  47     (
  48         if ! test -t 0; then
  49             while read cmd; do
  50                 echo $cmd
  51             done
  52         fi
  53         echo quit
  54     ) | $QEMU -nodefaults -nographic -monitor stdio -serial none "$@"
  55     echo
  56 }
  57
  58 function run_qemu()
  59 {
  60     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt \
  61                           | _filter_qemu | _filter_generated_node_ids
  62 }
  63
  64
  65 size=128M
  66 drive="if=none,file=$TEST_IMG,driver=$IMGFMT"
  67
  68 _make_test_img $size
  69
  70 echo
  71 echo "=== Setting WCE with qdev and with manually created BB ==="
  72 echo
  73
  74 # The qdev option takes precedence, but if it isn't given or 'auto', the BB
  75 # option is used instead.
  76
  77 for cache in "writeback" "writethrough"; do
  78     for wce in "" ",write-cache=auto" ",write-cache=on" ",write-cache=off"; do
  79         echo "info block" \
  80             | run_qemu -drive "$drive,cache=$cache" \
  81                        -device "virtio-blk,drive=none0$wce" \
  82             | grep -e "Testing" -e "Cache mode"
  83     done
  84 done
  85
  86 # success, all done
  87 echo "*** done"
  88 rm -f $seq.full
  89 status=0