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|
#!/bin/bash
#
# Test command line configuration of block devices with qdev
#
# Copyright (C) 2016 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# creator
owner=kwolf@redhat.com
seq="$(basename $0)"
echo "QA output created by $seq"
here="$PWD"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt generic
_supported_proto file
_supported_os Linux
function do_run_qemu()
{
echo Testing: "$@"
(
if ! test -t 0; then
while read cmd; do
echo $cmd
done
fi
echo quit
) | $QEMU -nodefaults -nographic -monitor stdio -serial none "$@"
echo
}
function run_qemu()
{
do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt \
| _filter_qemu | _filter_generated_node_ids
}
size=128M
drive="if=none,file=$TEST_IMG,driver=$IMGFMT"
_make_test_img $size
echo
echo "=== Setting WCE with qdev and with manually created BB ==="
echo
# The qdev option takes precedence, but if it isn't given or 'auto', the BB
# option is used instead.
for cache in "writeback" "writethrough"; do
for wce in "" ",write-cache=auto" ",write-cache=on" ",write-cache=off"; do
echo "info block" \
| run_qemu -drive "$drive,cache=$cache" \
-device "virtio-blk,drive=none0$wce" \
| grep -e "Testing" -e "Cache mode"
done
done
# success, all done
echo "*** done"
rm -f $seq.full
status=0
|
