#!/bin/bash
#################################################################
#
# This file is provided under a dual BSD/GPLv2 license.  When using or 
#   redistributing this file, you may do so under either license.
# 
#   GPL LICENSE SUMMARY
# 
#   Copyright(c) 2007-2013 Intel Corporation. All rights reserved.
# 
#   This program is free software; you can redistribute it and/or modify 
#   it under the terms of version 2 of the GNU General Public License 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.
# 
#   You should have received a copy of the GNU General Public License 
#   along with this program; if not, write to the Free Software 
#   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
#   The full GNU General Public License is included in this distribution 
#   in the file called LICENSE.GPL.
# 
#   Contact Information:
#   Intel Corporation
# 
#   BSD LICENSE 
# 
#   Copyright(c) 2007-2013 Intel Corporation. All rights reserved.
#   All rights reserved.
# 
#   Redistribution and use in source and binary forms, with or without 
#   modification, are permitted provided that the following conditions 
#   are met:
# 
#     * Redistributions of source code must retain the above copyright 
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright 
#       notice, this list of conditions and the following disclaimer in 
#       the documentation and/or other materials provided with the 
#       distribution.
#     * Neither the name of Intel Corporation nor the names of its 
#       contributors may be used to endorse or promote products derived 
#       from this software without specific prior written permission.
# 
#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# 
# 
#  version: QAT1.6.L.2.6.0-60
#
#################################################################

### BEGIN INIT INFO
# Provides:           Intel QAT driver 
# Required-Start:               
# Required-Stop:                
# Default-Start:      2 3 5
# Default-Stop:       0 1 6
# Default-Enabled:    no
# Short-Description:  Start/Stop the Intel QAT.
# Description:        Start/Stop the Intel QAT.
### END INIT INFO

# qat_service          Start/Stop the Intel QAT.
#
# chkconfig: 345 99 99
# description: modprobe the QAT icp_qa_al.ko, which loads dependant \
#       modules, before calling the user space \
#       utility to pass configuration parameters
usage() {
echo
echo --------------------------------------------------------
echo USAGE:
echo --------------------------------------------------------
echo "#  $0 start||stop||status||restart||shutdown"
echo --------------------------------------------------------
echo " Note: If there is more devices in the system"
echo " you can start, stop or restart separate device by "
echo " passing the dev to be restarted or stopped as a"
echo " parameter for instance: "
echo " $0 stop icp_dev<N>"
echo " where N is device number."
echo " To see all devices in the system use:"
echo " $0 status"
echo --------------------------------------------------------
exit 1
}

. /etc/rc.status

ADF_CTRL_PATH=/usr/sbin/evad_adf_ctl

case $1 in
  start)
    # First check if the modules are already installed
    # install them as necessary and if they are LKMs
    # and not built-in kernel modules
    if [ `lsmod | grep -c "sha512"` == 0 ]; then
         if [ `cat /proc/kallsyms |grep -c sha512_generic` == 0 ]; then
             `modprobe sha512`
         fi
    fi

    if [ `lsmod | grep -c "sha256"` == 0 ]; then
         if [ `cat /proc/kallsyms |grep -c sha256_generic` == 0 ]; then
             `modprobe sha256`
         fi
    fi

    if [ `lsmod | grep -o ^qat_dh895xcc` ]; then
         rmmod -f qat_dh895xcc
    fi

    if [ `lsmod | grep -o ^intel_qat` ]; then
         rmmod -f intel_qat
    fi

    lsmod | grep zlib >/dev/null 2>&1 || modprobe zlib >/dev/null 2>&1
    lsmod | grep icp_qa_al >/dev/null 2>&1 || modprobe icp_qa_al
    # Check device status, try to turn it on only if driver is loaded
    $ADF_CTRL_PATH $2 status | grep state=down >/dev/null 2>&1 
    if [ $? = 0 ]; then
        $ADF_CTRL_PATH $2 up
    fi
    # Show device status
    $ADF_CTRL_PATH $2 status
            ;;

 shutdown)
    $ADF_CTRL_PATH down
    modprobe -q -r icp_qa_al
    modprobe -q -r icp_qa_al_vf
            ;;

 stop)
    $ADF_CTRL_PATH $2 down
            ;;

 restart)
    $ADF_CTRL_PATH $2 down && $ADF_CTRL_PATH $2 up
            ;;

 status)
    $ADF_CTRL_PATH status
    if [ "$?" -ne 0 ]
    then
        echo "No devices found. Please start the driver using:"
        echo "$0 start"
    fi
            ;;

 *)
      usage
            ;;

esac
exit 0

