xen/init.pciback

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#!/bin/bash
#
# Copyright (c) 2014 SUSE GmbH Nuernberg, Germany. All rights reserved.
#
# /etc/init.d/pciback
#
### BEGIN INIT INFO
# Provides: pciback
# Required-Start: $syslog $network
# Should-Start: $null
# Required-Stop: $syslog $network
# Should-Stop: $null
# Default-Start: 3 5
# Default-Stop: 0 1 2 6
# Description: bind PCI devices to pciback
### END INIT INFO
. /etc/rc.status
. /etc/sysconfig/pciback
rc_reset
load_pciback() {
if ! lsmod | grep -qi "pciback"
then
echo "Loading pciback ..."
modprobe pciback
fi
}
unload_pciback() {
if lsmod | grep -qi "pciback"
then
echo "Unloading pciback ..."
modprobe -r pciback
fi
}
bind_dev_to_pciback() {
for DEVICE in ${XEN_PCI_HIDE_LIST}
do
local DRV=`echo ${DEVICE} | /usr/bin/cut -d "," -f 1`
local PCIID=`echo ${DEVICE} | /usr/bin/cut -d "," -f 2`
if ! ls /sys/bus/pci/drivers/pciback/${PCIID} > /dev/null 2>&1
then
echo "Binding ${PCIID} ..."
if ls /sys/bus/pci/drivers/${DRV}/${PCIID} > /dev/null 2>&1
then
echo -n ${PCIID} > /sys/bus/pci/drivers/${DRV}/unbind
fi
echo -n ${PCIID} > /sys/bus/pci/drivers/pciback/new_slot
echo -n ${PCIID} > /sys/bus/pci/drivers/pciback/bind
fi
done
}
unbind_dev_from_pciback() {
for DEVICE in ${XEN_PCI_HIDE_LIST}
do
local DRV=`echo ${DEVICE} | /usr/bin/cut -d "," -f 1`
local PCIID=`echo ${DEVICE} | /usr/bin/cut -d "," -f 2`
if ls /sys/bus/pci/drivers/pciback/${PCIID} > /dev/null
then
echo "Unbinding ${PCIID} ..."
echo -n ${PCIID} > /sys/bus/pci/drivers/pciback/unbind
fi
done
}
test "uname -r" | grep xen && exit 0
case $1 in
start)
echo "Starting pciback ..."
echo
load_pciback
bind_dev_to_pciback
rc_status -v -r
;;
stop)
echo "Stopping pciback ..."
echo
unbind_dev_from_pciback
unload_pciback
rc_status -v
;;
reload|restart)
echo "Stopping pciback ..."
echo
unbind_dev_from_pciback
unload_pciback
echo "Starting pciback ..."
echo
load_pciback
bind_dev_to_pciback
;;
status)
if lsmod | grep -qi pciback
then
echo
echo "pciback: loaded"
echo
echo "Currently bound devices ..."
echo "-----------------------------"
ls /sys/bus/pci/drivers/pciback | grep ^0000
echo
else
echo "pciback: not loaded"
fi
;;
*)
echo "Usage: $0 [start|stop|restart|reload|status]"
exit 1
;;
esac