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emellor@leeni.uk.xensource.com
a8a1d48e4c
can also be used by block-enbd and block-nbd. Signed-off-by: Ewan Mellor <ewan@xensource.com>
52 lines
1.4 KiB
Bash
52 lines
1.4 KiB
Bash
#
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# Copyright (c) 2005 XenSource Ltd.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of version 2.1 of the GNU Lesser General Public
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# License as published by the Free Software Foundation.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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dir=$(dirname "$0")
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. "$dir/xen-hotplug-common.sh"
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command="$1"
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if [ "$command" != "bind" ] && [ "$command" != "unbind" ]
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then
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log err "Invalid command: $command"
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exit 1
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fi
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XENBUS_PATH="${XENBUS_PATH:?}"
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##
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# Write physical-device = 0xMMmm and node = device to the store, where MM
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# and mm are the major and minor numbers of device.
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#
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# @param device The device from which major and minor numbers are read, which
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# will be written into the store.
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#
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write_dev() {
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local major
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local minor
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local pdev
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major=$(stat -L -c %t "$1")
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minor=$(stat -L -c %T "$1")
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pdev=$(printf "0x%02x%02x" "0x$major" "0x$minor")
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xenstore_write "$XENBUS_PATH"/physical-device "$pdev" \
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"$XENBUS_PATH"/node "$1"
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}
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