xref: /openbmc/qemu/tests/qemu-iotests/131 (revision 1fe8ac35)
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))
47CLUSTER_SIZE=64k
48IMGFMT=parallels
49_make_test_img $size
50
51echo == read empty image ==
52{ $QEMU_IO -c "read -P 0 32k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
53echo == write more than 1 block in a row ==
54{ $QEMU_IO -c "write -P 0x11 32k 128k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
55echo == read less than block ==
56{ $QEMU_IO -c "read -P 0x11 32k 32k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
57echo == read exactly 1 block ==
58{ $QEMU_IO -c "read -P 0x11 64k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
59echo == read more than 1 block ==
60{ $QEMU_IO -c "read -P 0x11 32k 128k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
61echo == check that there is no trash after written ==
62{ $QEMU_IO -c "read -P 0 160k 32k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
63echo == check that there is no trash before written ==
64{ $QEMU_IO -c "read -P 0 0 32k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
65
66echo "== Corrupt image =="
67poke_file "$TEST_IMG" "$inuse_offset" "\x59\x6e\x6f\x74"
68{ $QEMU_IO -c "read -P 0x11 64k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
69_check_test_img
70_check_test_img -r all
71{ $QEMU_IO -c "read -P 0x11 64k 64k" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
72
73echo "== allocate with backing =="
74# Verify that allocating clusters works fine even when there is a backing image.
75# Regression test for a bug where we would pass a buffer read from the backing
76# node as a QEMUIOVector object, which could cause anything from I/O errors over
77# assertion failures to invalid reads from memory.
78
79# Clear image
80_make_test_img $size
81# Create base image
82TEST_IMG="$TEST_IMG.base" _make_test_img $size
83
84# Write some data to the base image (which would trigger an assertion failure if
85# interpreted as a QEMUIOVector)
86$QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG.base" | _filter_qemu_io
87
88# Parallels does not seem to support storing a backing filename in the image
89# itself, so we need to build our backing chain on the command line
90imgopts="driver=$IMGFMT,file.driver=$IMGPROTO,file.filename=$TEST_IMG"
91imgopts+=",backing.driver=$IMGFMT"
92imgopts+=",backing.file.driver=$IMGPROTO,backing.file.filename=$TEST_IMG.base"
93
94# Cause allocation in the top image
95QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \
96    $QEMU_IO --image-opts "$imgopts" -c 'write -P 1 0 64' | _filter_qemu_io
97
98# Verify
99QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \
100    $QEMU_IO --image-opts "$imgopts" \
101    -c 'read -P 1 0 64' \
102    -c "read -P 42 64 $((64 * 1024 - 64))" \
103    -c "read -P 0 64k $((size - 64 * 1024))" \
104    | _filter_qemu_io
105
106# success, all done
107echo "*** done"
108rm -f $seq.full
109status=0
110