#!/bin/bash
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# Intel MIC Platform Software Stack (MPSS)
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#
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# Copyright(c) 2013 Intel Corporation.
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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, version 2, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful, but
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# 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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# General Public License for more details.
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#
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# The full GNU General Public License is included in this distribution in
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# the file called "COPYING".
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#
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# Intel MIC User Space Tools.
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#
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# mpss Start mpssd.
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#
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# chkconfig: 2345 95 05
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# description: start MPSS stack processing.
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#
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### BEGIN INIT INFO
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# Provides: mpss
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# Required-Start:
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# Required-Stop:
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# Short-Description: MPSS stack control
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# Description: MPSS stack control
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### END INIT INFO
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# Source function library.
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. /etc/init.d/functions
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exec=/usr/sbin/mpssd
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sysfs="/sys/class/mic"
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mic_modules="mic_host mic_x100_dma scif vop"
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start()
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{
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[ -x $exec ] || exit 5
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if [ "`ps -e | awk '{print $4}' | grep mpssd | head -1`" = "mpssd" ]; then
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echo -e $"MPSSD already running! "
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success
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echo
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return 0
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fi
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echo -e $"Starting MPSS Stack"
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echo -e $"Loading MIC drivers:" $mic_modules
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modprobe -a $mic_modules
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RETVAL=$?
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if [ $RETVAL -ne 0 ]; then
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failure
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echo
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return $RETVAL
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fi
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# Start the daemon
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echo -n $"Starting MPSSD "
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$exec
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RETVAL=$?
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if [ $RETVAL -ne 0 ]; then
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failure
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echo
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return $RETVAL
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fi
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success
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echo
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sleep 5
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# Boot the cards
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micctrl -b
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# Wait till ping works
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for f in $sysfs/*
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do
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count=100
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ipaddr=`cat $f/cmdline`
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ipaddr=${ipaddr#*address,}
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ipaddr=`echo $ipaddr | cut -d, -f1 | cut -d\; -f1`
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while [ $count -ge 0 ]
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do
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echo -e "Pinging "`basename $f`" "
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ping -c 1 $ipaddr &> /dev/null
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RETVAL=$?
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if [ $RETVAL -eq 0 ]; then
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success
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break
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fi
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sleep 1
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count=`expr $count - 1`
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done
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[ $RETVAL -ne 0 ] && failure || success
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echo
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done
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return $RETVAL
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}
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stop()
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{
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echo -e $"Shutting down MPSS Stack: "
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# Bail out if module is unloaded
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if [ ! -d "$sysfs" ]; then
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echo -n $"Module unloaded "
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success
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echo
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return 0
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fi
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# Shut down the cards.
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micctrl -S
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# Wait for the cards to go offline
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for f in $sysfs/*
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do
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while [ "`cat $f/state`" != "ready" ]
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do
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sleep 1
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echo -e "Waiting for "`basename $f`" to become ready"
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done
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done
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# Display the status of the cards
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micctrl -s
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# Kill MPSSD now
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echo -n $"Killing MPSSD"
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killall -9 mpssd 2>/dev/null
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RETVAL=$?
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[ $RETVAL -ne 0 ] && failure || success
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echo
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return $RETVAL
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}
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restart()
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{
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stop
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sleep 5
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start
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}
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status()
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{
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micctrl -s
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if [ "`ps -e | awk '{print $4}' | grep mpssd | head -n 1`" = "mpssd" ]; then
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echo "mpssd is running"
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else
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echo "mpssd is stopped"
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fi
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return 0
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}
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unload()
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{
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if [ ! -d "$sysfs" ]; then
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echo -n $"No MIC_HOST Module: "
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success
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echo
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return
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fi
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stop
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sleep 5
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echo -n $"Removing MIC drivers:" $mic_modules
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modprobe -r $mic_modules
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RETVAL=$?
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[ $RETVAL -ne 0 ] && failure || success
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echo
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return $RETVAL
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}
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case $1 in
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start)
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start
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;;
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stop)
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stop
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;;
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restart)
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restart
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;;
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status)
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status
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;;
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unload)
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unload
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;;
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*)
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echo $"Usage: $0 {start|stop|restart|status|unload}"
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exit 2
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esac
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exit $?
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