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 mic_modules="mic_host mic_x100_dma scif vop"
  39
  40 start()
  41 {
  42         [ -x $exec ] || exit 5
  43
  44         if [ "`ps -e | awk '{print $4}' | grep mpssd | head -1`" = "mpssd" ]; then
  45                 echo -e $"MPSSD already running! "
  46                 success
  47                 echo
  48                 return 0
  49         fi
  50
  51         echo -e $"Starting MPSS Stack"
  52         echo -e $"Loading MIC drivers:" $mic_modules
  53
  54         modprobe -a $mic_modules
  55         RETVAL=$?
  56         if [ $RETVAL -ne 0 ]; then
  57                 failure
  58                 echo
  59                 return $RETVAL
  60         fi
  61
  62         # Start the daemon
  63         echo -n $"Starting MPSSD "
  64         $exec
  65         RETVAL=$?
  66         if [ $RETVAL -ne 0 ]; then
  67                 failure
  68                 echo
  69                 return $RETVAL
  70         fi
  71         success
  72         echo
  73
  74         sleep 5
  75
  76         # Boot the cards
  77         micctrl -b
  78
  79         # Wait till ping works
  80         for f in $sysfs/*
  81         do
  82                 count=100
  83                 ipaddr=`cat $f/cmdline`
  84                 ipaddr=${ipaddr#*address,}
  85                 ipaddr=`echo $ipaddr | cut -d, -f1 | cut -d\; -f1`
  86                 while [ $count -ge 0 ]
  87                 do
  88                         echo -e "Pinging "`basename $f`" "
  89                         ping -c 1 $ipaddr &> /dev/null
  90                         RETVAL=$?
  91                         if [ $RETVAL -eq 0 ]; then
  92                                 success
  93                                 break
  94                         fi
  95                         sleep 1
  96                         count=`expr $count - 1`
  97                 done
  98                 [ $RETVAL -ne 0 ] && failure || success
  99                 echo
 100         done
 101         return $RETVAL
 102 }
 103
 104 stop()
 105 {
 106         echo -e $"Shutting down MPSS Stack: "
 107
 108         # Bail out if module is unloaded
 109         if [ ! -d "$sysfs" ]; then
 110                 echo -n $"Module unloaded "
 111                 success
 112                 echo
 113                 return 0
 114         fi
 115
 116         # Shut down the cards.
 117         micctrl -S
 118
 119         # Wait for the cards to go offline
 120         for f in $sysfs/*
 121         do
 122                 while [ "`cat $f/state`" != "ready" ]
 123                 do
 124                         sleep 1
 125                         echo -e "Waiting for "`basename $f`" to become ready"
 126                 done
 127         done
 128
 129         # Display the status of the cards
 130         micctrl -s
 131
 132         # Kill MPSSD now
 133         echo -n $"Killing MPSSD"
 134         killall -9 mpssd 2>/dev/null
 135         RETVAL=$?
 136         [ $RETVAL -ne 0 ] && failure || success
 137         echo
 138         return $RETVAL
 139 }
 140
 141 restart()
 142 {
 143         stop
 144         sleep 5
 145         start
 146 }
 147
 148 status()
 149 {
 150         micctrl -s
 151         if [ "`ps -e | awk '{print $4}' | grep mpssd | head -n 1`" = "mpssd" ]; then
 152                 echo "mpssd is running"
 153         else
 154                 echo "mpssd is stopped"
 155         fi
 156         return 0
 157 }
 158
 159 unload()
 160 {
 161         if [ ! -d "$sysfs" ]; then
 162                 echo -n $"No MIC_HOST Module: "
 163                 success
 164                 echo
 165                 return
 166         fi
 167
 168         stop
 169
 170         sleep 5
 171         echo -n $"Removing MIC drivers:" $mic_modules
 172         modprobe -r $mic_modules
 173         RETVAL=$?
 174         [ $RETVAL -ne 0 ] && failure || success
 175         echo
 176         return $RETVAL
 177 }
 178
 179 case $1 in
 180         start)
 181                 start
 182                 ;;
 183         stop)
 184                 stop
 185                 ;;
 186         restart)
 187                 restart
 188                 ;;
 189         status)
 190                 status
 191                 ;;
 192         unload)
 193                 unload
 194                 ;;
 195         *)
 196                 echo $"Usage: $0 {start|stop|restart|status|unload}"
 197                 exit 2
 198 esac
 199
 200 exit $?