vga: build virtio-gpu as module
[qemu/ar7.git] / tests / qemu-iotests / 027
blob494be0921fa880b8c4700ad0f8f7d180e9645dec
1 #!/usr/bin/env bash
3 # Test that sub-cluster allocating writes zero the rest of the cluster
5 # Copyright (C) 2010 IBM, Corp.
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.
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.
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/>.
21 # creator
22 owner=stefanha@linux.vnet.ibm.com
24 seq=`basename $0`
25 echo "QA output created by $seq"
27 status=1 # failure is the default!
29 _cleanup()
31 _cleanup_test_img
33 trap "_cleanup; exit \$status" 0 1 2 3 15
35 # get standard environment, filters and checks
36 . ./common.rc
37 . ./common.filter
39 _supported_fmt vmdk qcow qcow2 qed
40 _supported_proto generic
41 _unsupported_imgopts "subformat=streamOptimized"
44 size=128M
45 cluster_size=65536
46 subcluster_offset=1024
47 subcluster_size=2048
48 _make_test_img $size
50 # This first write causes an L2 table to be allocated so that the next write
51 # doesn't need to allocate one and is therefore at the end of the image file.
52 # Otherwise an L2 table could get in the way after the data cluster.
53 echo
54 echo "== writing first cluster to populate metadata =="
55 $QEMU_IO -c "write -pP 0xde $cluster_size $cluster_size" "$TEST_IMG" | _filter_qemu_io
57 echo
58 echo "== writing at sub-cluster granularity =="
59 $QEMU_IO -c "write -pP 0xa $subcluster_offset $subcluster_size" "$TEST_IMG" | _filter_qemu_io
61 echo
62 echo "== verify pattern =="
63 $QEMU_IO -c "read -pP 0xa $subcluster_offset $subcluster_size" "$TEST_IMG" | _filter_qemu_io
65 echo
66 echo "== verify zeroes before sub-cluster pattern =="
67 $QEMU_IO -c "read -pP 0 -l $subcluster_offset 0 $subcluster_size" "$TEST_IMG" | _filter_qemu_io
69 echo
70 echo "== verify zeroes after sub-cluster pattern =="
71 $QEMU_IO -c "read -pP 0 -l 512 -s $subcluster_size $subcluster_offset $(( subcluster_size + 512 ))" "$TEST_IMG" | _filter_qemu_io
73 # success, all done
74 echo "*** done"
75 rm -f $seq.full
76 status=0