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https://github.com/xen-project/xen.git
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Olaf Hering
8db2e4bab2
Reuse automake variable instead of inventing a private variable. The result of this command: git grep -wnl BINDIR | xargs sed -i 's@BINDIR@bindir@g' Signed-off-by: Olaf Hering <olaf@aepfle.de> Cc: Ian Jackson <ian.jackson@eu.citrix.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Wei Liu <wei.liu2@citrix.com> Cc: George Dunlap <george.dunlap@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
98 lines
2.0 KiB
Bash
98 lines
2.0 KiB
Bash
#!/bin/sh -e
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# $NetBSD: block-nbsd,v 1.1.1.1 2008/08/07 20:26:57 cegger Exp $
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# Called by xenbackendd
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# Usage: block xsdir_backend_path state
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DIR=$(dirname "$0")
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. "${DIR}/hotplugpath.sh"
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PATH=${bindir}:${sbindir}:${LIBEXEC_BIN}:/bin:/usr/bin:/sbin:/usr/sbin
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export PATH
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error() {
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echo "$@" >&2
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xenstore-write $xpath/hotplug-status error \
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$xpath/hotplug-error "$@"
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exit 1
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}
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xpath=$1
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xstatus=$2
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xparams=$(xenstore-read "$xpath/params")
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if [ -b "$xparams" ]; then
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xtype="phy"
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elif [ -f "$xparams" ]; then
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xtype="file"
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elif [ -z "$xparams" ]; then
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error "$xpath/params is empty, unable to attach block device."
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else
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error "$xparams is not a valid file type to use as block device." \
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"Only block and regular image files accepted."
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fi
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case $xstatus in
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6)
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# device removed
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case $xtype in
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file)
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vnd=$(xenstore-read "$xpath/vnd" || echo none)
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if [ $vnd != none ]; then
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vnconfig -u $vnd
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fi
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;;
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phy)
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;;
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*)
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echo "unknown type $xtype" >&2
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;;
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esac
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xenstore-rm $xpath
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exit 0
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;;
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2)
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case $xtype in
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file)
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# Store the list of available vnd(4) devices in
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#``available_disks'', and mark them as ``free''.
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list=`ls -1 /dev/vnd[0-9]*d | sed "s,/dev/vnd,,;s,d,," | sort -n`
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for i in $list; do
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disk="vnd$i"
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available_disks="$available_disks $disk"
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eval $disk=free
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done
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# Mark the used vnd(4) devices as ``used''.
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for disk in `sysctl hw.disknames`; do
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case $disk in
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vnd[0-9]*) eval $disk=used ;;
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esac
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done
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# Configure the first free vnd(4) device.
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for disk in $available_disks; do
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eval status=\$$disk
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if [ "$status" = "free" ] && \
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vnconfig /dev/${disk}d $xparams >/dev/null; then
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device=/dev/${disk}d
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break
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fi
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done
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if [ x$device = x ] ; then
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error "no available vnd device"
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fi
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xenstore-write $xpath/vnd $device
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;;
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phy)
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device=$xparams
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;;
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esac
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physical_device=$(stat -f '%r' "$device")
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xenstore-write $xpath/physical-device $physical_device
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xenstore-write $xpath/hotplug-status connected
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exit 0
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;;
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*)
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exit 0
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;;
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esac
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