1#!/usr/bin/env bash
2#
3# Test command line configuration of block devices with qdev
4#
5# Copyright (C) 2016 Red Hat, Inc.
6#
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.
11#
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.
16#
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/>.
19#
20
21# creator
22owner=kwolf@redhat.com
23
24seq="$(basename $0)"
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31	_cleanup_test_img
32}
33trap "_cleanup; exit \$status" 0 1 2 3 15
34
35# get standard environment, filters and checks
36. ./common.rc
37. ./common.filter
38
39_supported_fmt generic
40_supported_proto file
41
42do_run_qemu()
43{
44    (
45        if ! test -t 0; then
46            while read cmd; do
47                echo $cmd
48            done
49        fi
50        echo quit
51    ) | $QEMU -nodefaults -nographic -monitor stdio -serial none "$@"
52    echo
53}
54
55run_qemu()
56{
57    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt \
58                          | _filter_qemu | _filter_generated_node_ids
59}
60
61
62size=128M
63if test "$IMGOPTSSYNTAX" = "true"
64then
65    SYSEMU_DRIVE_ARG=if=none,$TEST_IMG
66    SYSEMU_EXTRA_ARGS=""
67    if [ -n "$IMGKEYSECRET" ]; then
68        SECRET_ARG="secret,id=keysec0,data=$IMGKEYSECRET"
69        SYSEMU_EXTRA_ARGS="-object $SECRET_ARG"
70    fi
71else
72    SYSEMU_DRIVE_ARG=if=none,file="$TEST_IMG",driver=$IMGFMT
73    SYSEMU_EXTRA_ARGS=""
74fi
75
76_make_test_img $size
77
78echo
79echo "=== Setting WCE with qdev and with manually created BB ==="
80echo
81
82# The qdev option takes precedence, but if it isn't given or 'auto', the BB
83# option is used instead.
84
85for cache in "writeback" "writethrough"; do
86    for wce in "" ",write-cache=auto" ",write-cache=on" ",write-cache=off"; do
87        echo "Testing: cache='$cache' wce='$wce'"
88        echo "info block" \
89            | run_qemu $SYSEMU_EXTRA_ARGS -drive "$SYSEMU_DRIVE_ARG,cache=$cache" \
90                       -device "virtio-blk,drive=none0$wce" \
91            | grep -e "Testing" -e "Cache mode"
92    done
93done
94
95# success, all done
96echo "*** done"
97rm -f $seq.full
98status=0
99