#!/bin/sh

#

# Copyright 2009 Red Hat, Inc.

# License: GPLv2

# Author: Dan HorĂ¡k <dhorak@redhat.com>

#

# cpi Set Control Program Identification on IBM zSeries

#

# chkconfig:   12345 80 20

# description: Set Control Program Identification on IBM zSeries \

#              that's reported on a Linux LPAR

### BEGIN INIT INFO

# Provides: cpi

# Required-Start: 

# Required-Stop: 

# Should-Start: 

# Should-Stop: 

# Default-Start: 1 2 3 4 5 

# Default-Stop: 0 6

# Short-Description: Set control program identification on IBM zSeries

# Description: Set Control Program Identification on IBM zSeries \

#              that's reported on a Linux LPAR

### END INIT INFO

# Source function library.

. /etc/init.d/functions

prog="cpi"

[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog

cpipath=/sys/firmware/cpi

start() {

    [ `id -u` -eq 0 ] || return 4

    echo -n $"Starting $prog: "

    if [ -d $cpipath ]; then

        retval=0

        echo LINUX > $cpipath/system_type 2> /dev/null || retval=1

        [ $retval -eq 0 ] && echo "$SYSTEM_NAME" > $cpipath/system_name 2> /dev/null || retval=1

        [ $retval -eq 0 ] && echo "$SYSPLEX_NAME" > $cpipath/sysplex_name 2> /dev/null || retval=1

        level_maj=`uname -r | cut -d '-' -f 1 | cut -d '.' -f 1`

        level_min=`uname -r | cut -d '-' -f 1 | cut -d '.' -f 2`

        level_mic=`uname -r | cut -d '-' -f 1 | cut -d '.' -f 3`

        level=`printf '%02x%02x%02x' $level_maj $level_min $level_mic`

        [ $retval -eq 0 ] && echo $level > $cpipath/system_level 2> /dev/null || retval=1

        [ $retval -eq 0 ] && echo 1 > $cpipath/set 2> /dev/null || retval=1

    else

        retval=1

    fi

    [ $retval -eq 0 ] && success || failure

    echo

    return $retval

}

stop() {

    echo -n $"Stopping $prog: "

    # nothing to do

    success

    echo

    return 0

}

restart() {

    stop

    start

}

reload() {

    restart

}

force_reload() {

    restart

}

rh_status() {

    if [ -d $cpipath ]; then

        echo -n "System type: "; cat $cpipath/system_type

        echo -n "System level: "; cat $cpipath/system_level

        echo -n "System name: "; cat $cpipath/system_name

        echo -n "Sysplex name: "; cat $cpipath/sysplex_name

        retval=0

    else

        echo "Control Program Identification system interface doesn't exist."

        retval=1

    fi

    return $retval

}

rh_status_q() {

    rh_status >/dev/null 2>&1

}

case "$1" in

    start)

        $1

        ;;

    stop)

        $1

        ;;

    restart)

        $1

        ;;

    reload)

        rh_status_q || exit 7

        $1

        ;;

    force-reload)

        force_reload

        ;;

    status)

        rh_status

        ;;

    condrestart|try-restart)

        rh_status_q || exit 0

        restart

        ;;

    *)

        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"

        exit 2

esac

exit $?