1#!/usr/bin/env bash 2# group: rw quick 3# 4# parallels format validation tests (created by QEMU) 5# 6# Copyright (C) 2014 Denis V. Lunev <den@openvz.org> 7# 8# This program is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program. If not, see <http://www.gnu.org/licenses/>. 20# 21 22# creator 23owner=den@openvz.org 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39 40_supported_fmt parallels 41_supported_proto file 42_supported_os Linux 43 44inuse_offset=$((0x2c)) 45 46size=$((64 * 1024 * 1024)) 47IMGFMT=parallels 48_make_test_img $size 49 50# get cluster size in sectors from "tracks" header field 51CLUSTER_SIZE_OFFSET=28 52CLUSTER_SIZE=$(peek_file_le $TEST_IMG $CLUSTER_SIZE_OFFSET 4) 53CLUSTER_SIZE=$((CLUSTER_SIZE * 512)) 54CLUSTER_HALF_SIZE=$((CLUSTER_SIZE / 2)) 55CLUSTER_DBL_SIZE=$((CLUSTER_SIZE * 2)) 56 57echo == read empty image == 58{ $QEMU_IO -c "read -P 0 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 59echo == write more than 1 block in a row == 60{ $QEMU_IO -c "write -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 61echo == read less than block == 62{ $QEMU_IO -c "read -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 63echo == read exactly 1 block == 64{ $QEMU_IO -c "read -P 0x11 $CLUSTER_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 65echo == read more than 1 block == 66{ $QEMU_IO -c "read -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 67echo == check that there is no trash after written == 68{ $QEMU_IO -c "read -P 0 $((CLUSTER_HALF_SIZE + CLUSTER_DBL_SIZE)) $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 69echo == check that there is no trash before written == 70{ $QEMU_IO -c "read -P 0 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 71 72echo "== corrupt image ==" 73poke_file "$TEST_IMG" "$inuse_offset" "\x59\x6e\x6f\x74" 74echo "== read corrupted image with repairing ==" 75{ $QEMU_IO -c "read -P 0x11 $CLUSTER_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir 76 77echo "== allocate with backing ==" 78# Verify that allocating clusters works fine even when there is a backing image. 79# Regression test for a bug where we would pass a buffer read from the backing 80# node as a QEMUIOVector object, which could cause anything from I/O errors over 81# assertion failures to invalid reads from memory. 82 83# Clear image 84_make_test_img $size 85# Create base image 86TEST_IMG="$TEST_IMG.base" _make_test_img $size 87 88# Write some data to the base image (which would trigger an assertion failure if 89# interpreted as a QEMUIOVector) 90$QEMU_IO -c "write -P 42 0 $CLUSTER_SIZE" "$TEST_IMG.base" | _filter_qemu_io 91 92# Parallels does not seem to support storing a backing filename in the image 93# itself, so we need to build our backing chain on the command line 94imgopts="driver=$IMGFMT,file.driver=$IMGPROTO,file.filename=$TEST_IMG" 95imgopts+=",backing.driver=$IMGFMT" 96imgopts+=",backing.file.driver=$IMGPROTO,backing.file.filename=$TEST_IMG.base" 97 98# Cause allocation in the top image 99QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ 100 $QEMU_IO --image-opts "$imgopts" -c 'write -P 1 0 64' | _filter_qemu_io 101 102# Verify 103QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ 104 $QEMU_IO --image-opts "$imgopts" \ 105 -c 'read -P 1 0 64' \ 106 -c "read -P 42 64 $((CLUSTER_SIZE - 64))" \ 107 -c "read -P 0 $CLUSTER_SIZE $((size - CLUSTER_SIZE))" \ 108 | _filter_qemu_io 109 110# success, all done 111echo "*** done" 112rm -f $seq.full 113status=0 114