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kernel/linux-imx6_3.14.28/Documentation/mic/mpssd/micctrl 2.7 KB
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  #!/bin/bash
  # Intel MIC Platform Software Stack (MPSS)
  #
  # Copyright(c) 2013 Intel Corporation.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License, version 2, as
  # published by the Free Software Foundation.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  # General Public License for more details.
  #
  # The full GNU General Public License is included in this distribution in
  # the file called "COPYING".
  #
  # Intel MIC User Space Tools.
  #
  # micctrl - Controls MIC boot/start/stop.
  #
  # chkconfig: 2345 95 05
  # description: start MPSS stack processing.
  #
  ### BEGIN INIT INFO
  # Provides: micctrl
  ### END INIT INFO
  
  # Source function library.
  . /etc/init.d/functions
  
  sysfs="/sys/class/mic"
  
  _status()
  {
  	f=$sysfs/$1
  	echo -e $1 state: "`cat $f/state`" shutdown_status: "`cat $f/shutdown_status`"
  }
  
  status()
  {
  	if [ "`echo $1 | head -c3`" == "mic" ]; then
  		_status $1
  		return $?
  	fi
  	for f in $sysfs/*
  	do
  		_status `basename $f`
  		RETVAL=$?
  		[ $RETVAL -ne 0 ] && return $RETVAL
  	done
  	return 0
  }
  
  _reset()
  {
  	f=$sysfs/$1
  	echo reset > $f/state
  }
  
  reset()
  {
  	if [ "`echo $1 | head -c3`" == "mic" ]; then
  		_reset $1
  		return $?
  	fi
  	for f in $sysfs/*
  	do
  		_reset `basename $f`
  		RETVAL=$?
  		[ $RETVAL -ne 0 ] && return $RETVAL
  	done
  	return 0
  }
  
  _boot()
  {
  	f=$sysfs/$1
  	echo "linux" > $f/bootmode
  	echo "mic/uos.img" > $f/firmware
  	echo "mic/$1.image" > $f/ramdisk
  	echo "boot" > $f/state
  }
  
  boot()
  {
  	if [ "`echo $1 | head -c3`" == "mic" ]; then
  		_boot $1
  		return $?
  	fi
  	for f in $sysfs/*
  	do
  		_boot `basename $f`
  		RETVAL=$?
  		[ $RETVAL -ne 0 ] && return $RETVAL
  	done
  	return 0
  }
  
  _shutdown()
  {
  	f=$sysfs/$1
  	echo shutdown > $f/state
  }
  
  shutdown()
  {
  	if [ "`echo $1 | head -c3`" == "mic" ]; then
  		_shutdown $1
  		return $?
  	fi
  	for f in $sysfs/*
  	do
  		_shutdown `basename $f`
  		RETVAL=$?
  		[ $RETVAL -ne 0 ] && return $RETVAL
  	done
  	return 0
  }
  
  _wait()
  {
  	f=$sysfs/$1
  	while [ "`cat $f/state`" != "offline" -a "`cat $f/state`" != "online" ]
  	do
  		sleep 1
  		echo -e "Waiting for $1 to go offline"
  	done
  }
  
  wait()
  {
  	if [ "`echo $1 | head -c3`" == "mic" ]; then
  		_wait $1
  		return $?
  	fi
  	# Wait for the cards to go offline
  	for f in $sysfs/*
  	do
  		_wait `basename $f`
  		RETVAL=$?
  		[ $RETVAL -ne 0 ] && return $RETVAL
  	done
  	return 0
  }
  
  if [ ! -d "$sysfs" ]; then
  	echo -e $"Module unloaded "
  	exit 3
  fi
  
  case $1 in
  	-s)
  		status $2
  		;;
  	-r)
  		reset $2
  		;;
  	-b)
  		boot $2
  		;;
  	-S)
  		shutdown $2
  		;;
  	-w)
  		wait $2
  		;;
  	*)
  		echo $"Usage: $0 {-s (status) |-r (reset) |-b (boot) |-S (shutdown) |-w (wait)}"
  		exit 2
  esac
  
  exit $?