xref: /openbmc/qemu/tests/qemu-iotests/127 (revision 831734cc)
1#!/usr/bin/env bash
2# group: rw auto backing quick
3#
4# Test case for mirroring with dataplane
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=mreitz@redhat.com
24
25seq=$(basename $0)
26echo "QA output created by $seq"
27
28status=1    # failure is the default!
29
30_cleanup()
31{
32    _cleanup_qemu
33    _cleanup_test_img
34    _rm_test_img "$TEST_IMG.overlay0"
35    _rm_test_img "$TEST_IMG.overlay1"
36}
37trap "_cleanup; exit \$status" 0 1 2 3 15
38
39# get standard environment, filters and qemu instance handling
40. ./common.rc
41. ./common.filter
42. ./common.qemu
43
44_supported_fmt qcow2
45_supported_proto file fuse
46
47_require_devices virtio-scsi scsi-hd
48
49IMG_SIZE=64K
50
51_make_test_img $IMG_SIZE
52TEST_IMG="$TEST_IMG.overlay0" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
53TEST_IMG="$TEST_IMG.overlay1" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
54
55# So that we actually have something to mirror and the job does not return
56# immediately (which may be bad because then we cannot know whether the
57# 'return' or the 'BLOCK_JOB_READY' comes first).
58$QEMU_IO -c 'write 0 42' "$TEST_IMG.overlay0" | _filter_qemu_io
59
60# We cannot use virtio-blk here because that does not actually set the attached
61# BB's AioContext in qtest mode
62_launch_qemu \
63    -object iothread,id=iothr \
64    -blockdev node-name=source,driver=$IMGFMT,file.driver=file,file.filename="$TEST_IMG.overlay0" \
65    -device virtio-scsi,id=scsi-bus,iothread=iothr \
66    -device scsi-hd,bus=scsi-bus.0,drive=source
67
68_send_qemu_cmd $QEMU_HANDLE \
69    "{ 'execute': 'qmp_capabilities' }" \
70    'return'
71
72_send_qemu_cmd $QEMU_HANDLE \
73    "{ 'execute': 'drive-mirror',
74       'arguments': {
75           'job-id': 'mirror',
76           'device': 'source',
77           'target': '$TEST_IMG.overlay1',
78           'mode':   'existing',
79           'sync':   'top'
80       } }" \
81    'BLOCK_JOB_READY'
82
83# The backing BDS should be assigned the overlay's AioContext
84_send_qemu_cmd $QEMU_HANDLE \
85    "{ 'execute': 'block-job-complete',
86       'arguments': { 'device': 'mirror' } }" \
87    'BLOCK_JOB_COMPLETED'
88
89_send_qemu_cmd $QEMU_HANDLE \
90    "{ 'execute': 'quit' }" \
91    'return'
92
93wait=yes _cleanup_qemu
94
95# success, all done
96echo '*** done'
97rm -f $seq.full
98status=0
99