Documentation/mic/mpssd/mpss

   1 #!/bin/bash
   2 # Intel MIC Platform Software Stack (MPSS)
   3 #
   4 # Copyright(c) 2013 Intel Corporation.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License, version 2, as
   8 # published by the Free Software Foundation.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13 # General Public License for more details.
  14 #
  15 # The full GNU General Public License is included in this distribution in
  16 # the file called "COPYING".
  17 #
  18 # Intel MIC User Space Tools.
  19 #
  20 # mpss  Start mpssd.
  21 #
  22 # chkconfig: 2345 95 05
  23 # description: start MPSS stack processing.
  24 #
  25 ### BEGIN INIT INFO
  26 # Provides: mpss
  27 # Required-Start:
  28 # Required-Stop:
  29 # Short-Description: MPSS stack control
  30 # Description: MPSS stack control
  31 ### END INIT INFO
  32
  33 # Source function library.
  34 . /etc/init.d/functions
  35
  36 exec=/usr/sbin/mpssd
  37 sysfs="/sys/class/mic"
  38
  39 start()
  40 {
  41         [ -x $exec ] || exit 5
  42
  43         if [ "`ps -e | awk '{print $4}' | grep mpssd | head -1`" = "mpssd" ]; then
  44                 echo -e $"MPSSD already running! "
  45                 success
  46                 echo
  47                 return 0
  48         fi
  49
  50         echo -e $"Starting MPSS Stack"
  51         echo -e $"Loading MIC_HOST Module"
  52
  53         # Ensure the driver is loaded
  54         if [ ! -d "$sysfs" ]; then
  55                 modprobe mic_host
  56                 RETVAL=$?
  57                 if [ $RETVAL -ne 0 ]; then
  58                         failure
  59                         echo
  60                         return $RETVAL
  61                 fi
  62         fi
  63
  64         # Start the daemon
  65         echo -n $"Starting MPSSD "
  66         $exec
  67         RETVAL=$?
  68         if [ $RETVAL -ne 0 ]; then
  69                 failure
  70                 echo
  71                 return $RETVAL
  72         fi
  73         success
  74         echo
  75
  76         sleep 5
  77
  78         # Boot the cards
  79         micctrl -b
  80
  81         # Wait till ping works
  82         for f in $sysfs/*
  83         do
  84                 count=100
  85                 ipaddr=`cat $f/cmdline`
  86                 ipaddr=${ipaddr#*address,}
  87                 ipaddr=`echo $ipaddr | cut -d, -f1 | cut -d\; -f1`
  88                 while [ $count -ge 0 ]
  89                 do
  90                         echo -e "Pinging "`basename $f`" "
  91                         ping -c 1 $ipaddr &> /dev/null
  92                         RETVAL=$?
  93                         if [ $RETVAL -eq 0 ]; then
  94                                 success
  95                                 break
  96                         fi
  97                         sleep 1
  98                         count=`expr $count - 1`
  99                 done
 100                 [ $RETVAL -ne 0 ] && failure || success
 101                 echo
 102         done
 103         return $RETVAL
 104 }
 105
 106 stop()
 107 {
 108         echo -e $"Shutting down MPSS Stack: "
 109
 110         # Bail out if module is unloaded
 111         if [ ! -d "$sysfs" ]; then
 112                 echo -n $"Module unloaded "
 113                 success
 114                 echo
 115                 return 0
 116         fi
 117
 118         # Shut down the cards.
 119         micctrl -S
 120
 121         # Wait for the cards to go offline
 122         for f in $sysfs/*
 123         do
 124                 while [ "`cat $f/state`" != "offline" ]
 125                 do
 126                         sleep 1
 127                         echo -e "Waiting for "`basename $f`" to go offline"
 128                 done
 129         done
 130
 131         # Display the status of the cards
 132         micctrl -s
 133
 134         # Kill MPSSD now
 135         echo -n $"Killing MPSSD"
 136         killall -9 mpssd 2>/dev/null
 137         RETVAL=$?
 138         [ $RETVAL -ne 0 ] && failure || success
 139         echo
 140         return $RETVAL
 141 }
 142
 143 restart()
 144 {
 145         stop
 146         sleep 5
 147         start
 148 }
 149
 150 status()
 151 {
 152         micctrl -s
 153         if [ "`ps -e | awk '{print $4}' | grep mpssd | head -n 1`" = "mpssd" ]; then
 154                 echo "mpssd is running"
 155         else
 156                 echo "mpssd is stopped"
 157         fi
 158         return 0
 159 }
 160
 161 unload()
 162 {
 163         if [ ! -d "$sysfs" ]; then
 164                 echo -n $"No MIC_HOST Module: "
 165                 success
 166                 echo
 167                 return
 168         fi
 169
 170         stop
 171
 172         sleep 5
 173         echo -n $"Removing MIC_HOST Module: "
 174         modprobe -r mic_host
 175         RETVAL=$?
 176         [ $RETVAL -ne 0 ] && failure || success
 177         echo
 178         return $RETVAL
 179 }
 180
 181 case $1 in
 182         start)
 183                 start
 184                 ;;
 185         stop)
 186                 stop
 187                 ;;
 188         restart)
 189                 restart
 190                 ;;
 191         status)
 192                 status
 193                 ;;
 194         unload)
 195                 unload
 196                 ;;
 197         *)
 198                 echo $"Usage: $0 {start|stop|restart|status|unload}"
 199                 exit 2
 200 esac
 201
 202 exit $?