1#!/bin/bash 2# 3# Test aligned and misaligned write zeroes operations. 4# 5# Copyright (C) 2012 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 22owner=pbonzini@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28tmp=/tmp/$$ 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40 41_supported_fmt generic 42_supported_proto generic 43_supported_os Linux 44 45 46size=128M 47_make_test_img $size 48 49do_test() 50{ 51 local align=$1 52 local iocmd=$2 53 local img=$3 54 { 55 echo "open -o driver=$IMGFMT,file.align=$align blkdebug::$img" 56 echo $iocmd 57 } | $QEMU_IO 58} 59 60for align in 512 4k; do 61 echo 62 echo "== preparing image ==" 63 do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io 64 do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io 65 do_test $align "write -z 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io 66 67 echo 68 echo "== verifying patterns (1) ==" 69 do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io 70 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io 71 do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io 72 73 echo 74 echo "== rewriting zeroes ==" 75 do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io 76 do_test $align "write -z 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io 77 78 echo 79 echo "== verifying patterns (2) ==" 80 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io 81 82 echo 83 echo "== rewriting unaligned zeroes ==" 84 do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io 85 do_test $align "write -z 0x200 0x200" "$TEST_IMG" | _filter_qemu_io 86 87 echo 88 echo "== verifying patterns (3) ==" 89 do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io 90 do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io 91 do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io 92 93 echo 94done 95 96# success, all done 97echo "*** done" 98rm -f $seq.full 99status=0 100