xref: /openbmc/qemu/tests/qemu-iotests/034 (revision 812b31d3)
1#!/usr/bin/env bash
2# group: rw auto backing quick
3#
4# Test bdrv_pwrite_zeroes with backing files (see also 154)
5#
6# Copyright (C) 2012 Red Hat, Inc.
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=kwolf@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt qcow qcow2 vmdk qed
41_supported_proto file fuse
42_supported_os Linux
43_unsupported_imgopts "subformat=monolithicFlat" \
44                     "subformat=twoGbMaxExtentFlat" \
45                     "subformat=twoGbMaxExtentSparse" \
46                     "subformat=streamOptimized"
47
48CLUSTER_SIZE=4k
49size=128M
50
51echo
52echo "== creating backing file for COW tests =="
53
54TEST_IMG_SAVE="$TEST_IMG"
55TEST_IMG="$TEST_IMG.base"
56
57_make_test_img $size
58$QEMU_IO -c "write -P 0x55 0 1M" "$TEST_IMG" | _filter_qemu_io
59
60TEST_IMG="$TEST_IMG_SAVE"
61
62_make_test_img -b "$TEST_IMG.base" -F $IMGFMT 6G
63
64echo
65echo "== zero write with backing file =="
66$QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io
67$QEMU_IO -c "write -z 513k 13k" "$TEST_IMG" | _filter_qemu_io
68
69_check_test_img
70
71echo
72echo "== verifying patterns (3) =="
73$QEMU_IO -c "read -P 0x55 0 64k" "$TEST_IMG" | _filter_qemu_io
74$QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io
75$QEMU_IO -c "read -P 0x55 256k 257k" "$TEST_IMG" | _filter_qemu_io
76$QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io
77$QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io
78
79echo
80echo "== overwriting zero cluster =="
81$QEMU_IO -c "write -P 0xa 60k 8k" "$TEST_IMG" | _filter_qemu_io
82$QEMU_IO -c "write -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io
83$QEMU_IO -c "write -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io
84$QEMU_IO -c "write -P 0xd 252k 8k" "$TEST_IMG" | _filter_qemu_io
85$QEMU_IO -c "write -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io
86
87_check_test_img
88
89echo
90echo "== verifying patterns (4) =="
91$QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io
92$QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io
93$QEMU_IO -c "read -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io
94$QEMU_IO -c "read -P 0x0 72k 4k" "$TEST_IMG" | _filter_qemu_io
95$QEMU_IO -c "read -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io
96$QEMU_IO -c "read -P 0x0 80k 168k" "$TEST_IMG" | _filter_qemu_io
97$QEMU_IO -c "read -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io
98$QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io
99$QEMU_IO -c "read -P 0x55 260k 64k" "$TEST_IMG" | _filter_qemu_io
100
101echo
102echo "== re-zeroing overwritten area =="
103$QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io
104
105_check_test_img
106
107echo
108echo "== verifying patterns (5) =="
109$QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io
110$QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io
111$QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io
112$QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io
113$QEMU_IO -c "read -P 0x55 260k 253k" "$TEST_IMG" | _filter_qemu_io
114$QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io
115$QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io
116
117# success, all done
118echo "*** done"
119rm -f $seq.full
120status=0
121