xref: /openbmc/qemu/tests/qemu-iotests/191 (revision 0e324626)
1#!/usr/bin/env bash
2# group: rw auto
3#
4# Test commit block job where top has two parents
5#
6# Copyright (C) 2017 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 $seq"
27
28status=1 # failure is the default!
29
30_cleanup()
31{
32    _rm_test_img "${TEST_IMG}.mid"
33    _rm_test_img "${TEST_IMG}.ovl2"
34    _rm_test_img "${TEST_IMG}.ovl3"
35    _cleanup_test_img
36    _cleanup_qemu
37}
38trap "_cleanup; exit \$status" 0 1 2 3 15
39
40# get standard environment, filters and checks
41. ./common.rc
42. ./common.filter
43. ./common.qemu
44
45_supported_fmt qcow2
46_supported_proto file fuse
47# An external data file would change the query-named-block-nodes output
48_unsupported_imgopts data_file
49
50size=64M
51
52echo
53echo === Preparing and starting VM ===
54echo
55
56TEST_IMG="${TEST_IMG}.base" _make_test_img $size
57TEST_IMG="${TEST_IMG}.mid" _make_test_img -o "backing_fmt=$IMGFMT" -b "${TEST_IMG}.base"
58_make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
59TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
60
61$QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
62
63qemu_comm_method="qmp"
64qmp_pretty="y"
65
66_launch_qemu \
67    -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.base,node-name=base" \
68    -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.mid,node-name=mid,backing=base" \
69    -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG},node-name=top,backing=mid" \
70    -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.ovl2,node-name=top2,backing=mid"
71h=$QEMU_HANDLE
72_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
73
74echo
75echo === Perform commit job ===
76echo
77
78_send_qemu_cmd $h \
79    "{ 'execute': 'block-commit',
80       'arguments': { 'job-id': 'commit0',
81                      'device': 'top',
82                      'base':'$TEST_IMG.base',
83                      'top': '$TEST_IMG.mid' } }" \
84    '"status": "null"'
85_send_qemu_cmd $h "" "^}"
86
87echo
88echo === Check that both top and top2 point to base now ===
89echo
90
91_send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
92    _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
93
94_send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
95wait=1 _cleanup_qemu
96
97_img_info
98TEST_IMG="$TEST_IMG.ovl2" _img_info
99
100
101echo
102echo === Preparing and starting VM with -drive ===
103echo
104
105TEST_IMG="${TEST_IMG}.base" _make_test_img $size
106TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base" -F $IMGFMT
107_make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
108TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
109TEST_IMG="${TEST_IMG}.ovl3" _make_test_img -b "${TEST_IMG}.ovl2" -F $IMGFMT
110
111$QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
112
113qemu_comm_method="qmp"
114qmp_pretty="y"
115
116_launch_qemu \
117    -drive "driver=${IMGFMT},file=${TEST_IMG},node-name=top,backing.node-name=mid" \
118    -drive "driver=${IMGFMT},file=${TEST_IMG}.ovl3,node-name=top2,backing.backing=mid"
119h=$QEMU_HANDLE
120_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
121
122echo
123echo === Perform commit job ===
124echo
125
126_send_qemu_cmd $h \
127    "{ 'execute': 'block-commit',
128       'arguments': { 'job-id': 'commit0',
129                      'device': 'top',
130                      'base':'$TEST_IMG.base',
131                      'top': '$TEST_IMG.mid' } }" \
132    '"status": "null"'
133_send_qemu_cmd $h "" "^}"
134
135echo
136echo === Check that both top and top2 point to base now ===
137echo
138
139_send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
140    _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
141
142_send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
143wait=1 _cleanup_qemu
144
145_img_info
146TEST_IMG="$TEST_IMG.ovl2" _img_info
147
148# success, all done
149echo "*** done"
150rm -f $seq.full
151status=0
152