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#!/bin/bash
#
# Test simple read/write using plain bdrv_read/bdrv_write
#
# Copyright (C) 2014 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=stefanha@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 generic
_supported_os Linux
size=128M
echo
echo "== Single request =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
_cleanup_test_img
echo
echo "== Sequential requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k ; 4k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xce 4k 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 8k 4k" "$TEST_IMG" | _filter_qemu_io
_cleanup_test_img
echo
echo "== Superset overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k ; 1k 2k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [1k, 3k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xcd 0 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xcd 3k 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
_cleanup_test_img
echo
echo "== Subset overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 1k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [1k, 3k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xce 0 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xce 3k 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
_cleanup_test_img
echo
echo "== Head overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [0k, 2k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xce 2k 2k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
_cleanup_test_img
echo
echo "== Tail overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 2k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [2k, 4k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xce 0k 2k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
_cleanup_test_img
echo
echo "== Disjoint requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k ; 64k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 60k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xce 64k 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 68k 4k" "$TEST_IMG" | _filter_qemu_io
# success, all done
echo "*** done"
rm -f $seq.full
status=0
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