Documentation/mic/mpssd/micctrl

   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 # micctrl - Controls MIC boot/start/stop.
  21 #
  22 # chkconfig: 2345 95 05
  23 # description: start MPSS stack processing.
  24 #
  25 ### BEGIN INIT INFO
  26 # Provides: micctrl
  27 ### END INIT INFO
  28
  29 # Source function library.
  30 . /etc/init.d/functions
  31
  32 sysfs="/sys/class/mic"
  33
  34 _status()
  35 {
  36         f=$sysfs/$1
  37         echo -e $1 state: "`cat $f/state`" shutdown_status: "`cat $f/shutdown_status`"
  38 }
  39
  40 status()
  41 {
  42         if [ "`echo $1 | head -c3`" == "mic" ]; then
  43                 _status $1
  44                 return $?
  45         fi
  46         for f in $sysfs/*
  47         do
  48                 _status `basename $f`
  49                 RETVAL=$?
  50                 [ $RETVAL -ne 0 ] && return $RETVAL
  51         done
  52         return 0
  53 }
  54
  55 _reset()
  56 {
  57         f=$sysfs/$1
  58         echo reset > $f/state
  59 }
  60
  61 reset()
  62 {
  63         if [ "`echo $1 | head -c3`" == "mic" ]; then
  64                 _reset $1
  65                 return $?
  66         fi
  67         for f in $sysfs/*
  68         do
  69                 _reset `basename $f`
  70                 RETVAL=$?
  71                 [ $RETVAL -ne 0 ] && return $RETVAL
  72         done
  73         return 0
  74 }
  75
  76 _boot()
  77 {
  78         f=$sysfs/$1
  79         echo "linux" > $f/bootmode
  80         echo "mic/uos.img" > $f/firmware
  81         echo "mic/$1.image" > $f/ramdisk
  82         echo "boot" > $f/state
  83 }
  84
  85 boot()
  86 {
  87         if [ "`echo $1 | head -c3`" == "mic" ]; then
  88                 _boot $1
  89                 return $?
  90         fi
  91         for f in $sysfs/*
  92         do
  93                 _boot `basename $f`
  94                 RETVAL=$?
  95                 [ $RETVAL -ne 0 ] && return $RETVAL
  96         done
  97         return 0
  98 }
  99
 100 _shutdown()
 101 {
 102         f=$sysfs/$1
 103         echo shutdown > $f/state
 104 }
 105
 106 shutdown()
 107 {
 108         if [ "`echo $1 | head -c3`" == "mic" ]; then
 109                 _shutdown $1
 110                 return $?
 111         fi
 112         for f in $sysfs/*
 113         do
 114                 _shutdown `basename $f`
 115                 RETVAL=$?
 116                 [ $RETVAL -ne 0 ] && return $RETVAL
 117         done
 118         return 0
 119 }
 120
 121 _wait()
 122 {
 123         f=$sysfs/$1
 124         while [ "`cat $f/state`" != "offline" -a "`cat $f/state`" != "online" ]
 125         do
 126                 sleep 1
 127                 echo -e "Waiting for $1 to go offline"
 128         done
 129 }
 130
 131 wait()
 132 {
 133         if [ "`echo $1 | head -c3`" == "mic" ]; then
 134                 _wait $1
 135                 return $?
 136         fi
 137         # Wait for the cards to go offline
 138         for f in $sysfs/*
 139         do
 140                 _wait `basename $f`
 141                 RETVAL=$?
 142                 [ $RETVAL -ne 0 ] && return $RETVAL
 143         done
 144         return 0
 145 }
 146
 147 if [ ! -d "$sysfs" ]; then
 148         echo -e $"Module unloaded "
 149         exit 3
 150 fi
 151
 152 case $1 in
 153         -s)
 154                 status $2
 155                 ;;
 156         -r)
 157                 reset $2
 158                 ;;
 159         -b)
 160                 boot $2
 161                 ;;
 162         -S)
 163                 shutdown $2
 164                 ;;
 165         -w)
 166                 wait $2
 167                 ;;
 168         *)
 169                 echo $"Usage: $0 {-s (status) |-r (reset) |-b (boot) |-S (shutdown) |-w (wait)}"
 170                 exit 2
 171 esac
 172
 173 exit $?