samples/mic/mpssd/mpss

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0-only
   3 # Intel MIC Platform Software Stack (MPSS)
   4 #
   5 # Copyright(c) 2013 Intel Corporation.
   6 #
   7 # Intel MIC User Space Tools.
   8 #
   9 # mpss  Start mpssd.
  10 #
  11 # chkconfig: 2345 95 05
  12 # description: start MPSS stack processing.
  13 #
  14 ### BEGIN INIT INFO
  15 # Provides: mpss
  16 # Required-Start:
  17 # Required-Stop:
  18 # Short-Description: MPSS stack control
  19 # Description: MPSS stack control
  20 ### END INIT INFO
  21
  22 # Source function library.
  23 . /etc/init.d/functions
  24
  25 exec=/usr/sbin/mpssd
  26 sysfs="/sys/class/mic"
  27 mic_modules="mic_host mic_x100_dma scif vop"
  28
  29 start()
  30 {
  31         [ -x $exec ] || exit 5
  32
  33         if [ "`ps -e | awk '{print $4}' | grep mpssd | head -1`" = "mpssd" ]; then
  34                 echo -e $"MPSSD already running! "
  35                 success
  36                 echo
  37                 return 0
  38         fi
  39
  40         echo -e $"Starting MPSS Stack"
  41         echo -e $"Loading MIC drivers:" $mic_modules
  42
  43         modprobe -a $mic_modules
  44         RETVAL=$?
  45         if [ $RETVAL -ne 0 ]; then
  46                 failure
  47                 echo
  48                 return $RETVAL
  49         fi
  50
  51         # Start the daemon
  52         echo -n $"Starting MPSSD "
  53         $exec
  54         RETVAL=$?
  55         if [ $RETVAL -ne 0 ]; then
  56                 failure
  57                 echo
  58                 return $RETVAL
  59         fi
  60         success
  61         echo
  62
  63         sleep 5
  64
  65         # Boot the cards
  66         micctrl -b
  67
  68         # Wait till ping works
  69         for f in $sysfs/*
  70         do
  71                 count=100
  72                 ipaddr=`cat $f/cmdline`
  73                 ipaddr=${ipaddr#*address,}
  74                 ipaddr=`echo $ipaddr | cut -d, -f1 | cut -d\; -f1`
  75                 while [ $count -ge 0 ]
  76                 do
  77                         echo -e "Pinging "`basename $f`" "
  78                         ping -c 1 $ipaddr &> /dev/null
  79                         RETVAL=$?
  80                         if [ $RETVAL -eq 0 ]; then
  81                                 success
  82                                 break
  83                         fi
  84                         sleep 1
  85                         count=`expr $count - 1`
  86                 done
  87                 [ $RETVAL -ne 0 ] && failure || success
  88                 echo
  89         done
  90         return $RETVAL
  91 }
  92
  93 stop()
  94 {
  95         echo -e $"Shutting down MPSS Stack: "
  96
  97         # Bail out if module is unloaded
  98         if [ ! -d "$sysfs" ]; then
  99                 echo -n $"Module unloaded "
 100                 success
 101                 echo
 102                 return 0
 103         fi
 104
 105         # Shut down the cards.
 106         micctrl -S
 107
 108         # Wait for the cards to go offline
 109         for f in $sysfs/*
 110         do
 111                 while [ "`cat $f/state`" != "ready" ]
 112                 do
 113                         sleep 1
 114                         echo -e "Waiting for "`basename $f`" to become ready"
 115                 done
 116         done
 117
 118         # Display the status of the cards
 119         micctrl -s
 120
 121         # Kill MPSSD now
 122         echo -n $"Killing MPSSD"
 123         killall -9 mpssd 2>/dev/null
 124         RETVAL=$?
 125         [ $RETVAL -ne 0 ] && failure || success
 126         echo
 127         return $RETVAL
 128 }
 129
 130 restart()
 131 {
 132         stop
 133         sleep 5
 134         start
 135 }
 136
 137 status()
 138 {
 139         micctrl -s
 140         if [ "`ps -e | awk '{print $4}' | grep mpssd | head -n 1`" = "mpssd" ]; then
 141                 echo "mpssd is running"
 142         else
 143                 echo "mpssd is stopped"
 144         fi
 145         return 0
 146 }
 147
 148 unload()
 149 {
 150         if [ ! -d "$sysfs" ]; then
 151                 echo -n $"No MIC_HOST Module: "
 152                 success
 153                 echo
 154                 return
 155         fi
 156
 157         stop
 158
 159         sleep 5
 160         echo -n $"Removing MIC drivers:" $mic_modules
 161         modprobe -r $mic_modules
 162         RETVAL=$?
 163         [ $RETVAL -ne 0 ] && failure || success
 164         echo
 165         return $RETVAL
 166 }
 167
 168 case $1 in
 169         start)
 170                 start
 171                 ;;
 172         stop)
 173                 stop
 174                 ;;
 175         restart)
 176                 restart
 177                 ;;
 178         status)
 179                 status
 180                 ;;
 181         unload)
 182                 unload
 183                 ;;
 184         *)
 185                 echo $"Usage: $0 {start|stop|restart|status|unload}"
 186                 exit 2
 187 esac
 188
 189 exit $?