qemu-e2k/tests/qemu-iotests/033

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#!/bin/bash
#
# Test aligned and misaligned write zeroes operations.
#
# Copyright (C) 2012 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=pbonzini@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
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 generic
_supported_os Linux
size=128M
_make_test_img $size
do_test()
{
local align=$1
local iocmd=$2
local img=$3
{
echo "open -o driver=$IMGFMT,file.align=$align blkdebug::$img"
echo $iocmd
} | $QEMU_IO
}
for align in 512 4k; do
echo
echo "== preparing image =="
do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -z 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verifying patterns (1) =="
do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
echo
echo "== rewriting zeroes =="
do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -z 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verifying patterns (2) =="
do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
echo
echo "== rewriting unaligned zeroes =="
do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -z 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verifying patterns (3) =="
do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io
echo
done
# success, all done
echo "*** done"
rm -f $seq.full
status=0