90 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
#!/bin/bash
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#
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# Test command line configuration of block devices with qdev
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#
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# Copyright (C) 2016 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=kwolf@redhat.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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here="$PWD"
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status=1	# failure is the default!
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_cleanup()
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{
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	_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt generic
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_supported_proto file
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_supported_os Linux
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function do_run_qemu()
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{
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    echo Testing: "$@"
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    (
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        if ! test -t 0; then
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            while read cmd; do
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                echo $cmd
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            done
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        fi
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        echo quit
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    ) | $QEMU -nodefaults -nographic -monitor stdio -serial none "$@"
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    echo
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}
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function run_qemu()
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{
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    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt \
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                          | _filter_qemu | _filter_generated_node_ids
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}
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size=128M
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drive="if=none,file=$TEST_IMG,driver=$IMGFMT"
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_make_test_img $size
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echo
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echo "=== Setting WCE with qdev and with manually created BB ==="
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echo
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# The qdev option takes precedence, but if it isn't given or 'auto', the BB
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# option is used instead.
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for cache in "writeback" "writethrough"; do
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    for wce in "" ",write-cache=auto" ",write-cache=on" ",write-cache=off"; do
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        echo "info block" \
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            | run_qemu -drive "$drive,cache=$cache" \
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                       -device "virtio-blk,drive=none0$wce" \
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            | grep -e "Testing" -e "Cache mode"
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    done
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done
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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