#! /bin/sh
#
# $Id: nw_node_postinstall.SunOS,v 1.3.10.5 2006/04/26 18:33:31 castrv Exp $ Copyright (c) 2003-2005 EMC Corporation.
#

#
# Copyright (c) 2003-2005 EMC Corporation.
#
# All rights reserved.  This is an UNPUBLISHED work, and
# comprises proprietary and confidential information of EMC.
# Unauthorized use, disclosure, and distribution are strictly
# prohibited.  Use, duplication, or disclosure of the software
# and documentation by the U.S. Government is subject to
# restrictions set forth in a license agreement between the
# Government and EMC or other written agreement specifying
# the Government's rights to use the software and any applicable
# FAR provisions, such as FAR 52.227-19.
#

PATH=/usr/sbin:/usr/bin:/sbin
PRODUCT_NAME="Sun StorEdge EBS"

#==============================================================================
# Function:	add_devlink
# Summary:	add entries to /etc/devlink.tab
#==============================================================================
add_devlink()
{
file=${PKG_INSTALL_ROOT}/etc/devlink.tab
echo "Adding entries to ${file}"

# clean up any previous entries in /etc/devlink.tab
sedcmd1="/^#EMC Juke begin/,/^#EMC Juke end/d"
sedcmd2="/^#EMC uscsi begin/,/^#EMC uscsi end/d"
sedcmd3="/^#EMC Optical begin/,/^#EMC Optical end/d"
sed -e "${sedcmd1}" -e "${sedcmd2}" -e "${sedcmd3}" ${file} > ${file}.tmp.$$
if [ $? -eq 0 ]; then
	mv ${file}.tmp.$$ ${file}
else
	echo "cleanup of ${file} failed"
	exit 2
fi

# add entries to /etc/devlink.tab
echo "#begin - added by ${PKGINST} - do not EDIT" >> ${file}
if [ `uname -r | cut -f 2 -d '.'` -lt 10 ]; then
	# lus driver only supported on Solaris 9 and below
	echo "type=ddi_pseudo;name=lus;minor=0	lus" >> ${file}
fi
echo "type=ddi_pseudo;name=op	optical\N0" >> ${file}
echo "#end - added by ${PKGINST} - do not EDIT" >> ${file}
}

#==============================================================================
# Function:	add_sgen
# Summary:	add entries to /kernel/drv/sgen.conf
#==============================================================================
add_sgen()
{
file=${PKG_INSTALL_ROOT}/kernel/drv/sgen.conf
list=device-type-config-list
types='"direct", "sequential", "worm", "rodirect", "optical", "changer"'
echo "Adding entries to ${file}"

echo "#begin - added by ${PKGINST} - do not EDIT" >> ${file}
echo "${list}=${types};" >> ${file}
for t in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
  for l in 0 1 2 3 4 5 6; do
    echo "name=\"sgen\" class=\"scsi\" target=${t} lun=${l};" >> ${file}
  done
done
echo "#end - added by ${PKGINST} - do not EDIT" >> ${file}
}

#==============================================================================
# Function:	remove_lus
# Summary:	removes the lus driver
#==============================================================================
remove_lus()
{
rm -f ${PKG_INSTALL_ROOT}/usr/kernel/drv/lus
rm -f ${PKG_INSTALL_ROOT}/usr/kernel/drv/lus.conf
rm -f ${PKG_INSTALL_ROOT}/usr/kernel/drv/sparcv9/lus
removef ${PKGINST} ${PKG_INSTALL_ROOT}/usr/kernel/drv/lus > /dev/null
removef ${PKGINST} ${PKG_INSTALL_ROOT}/usr/kernel/drv/lus.conf > /dev/null
removef ${PKGINST} ${PKG_INSTALL_ROOT}/usr/kernel/drv/sparcv9/lus > /dev/null

removef -f ${PKGINST}
}

#==============================================================================
# Function:	load_drivers
# Summary:	load the lus and op drivers
#==============================================================================
load_drivers()
{
if [ "X${PKG_INSTALL_ROOT}" = "/a" ]; then
	touch ${PKG_INSTALL_ROOT}/reconfigure
	fmt<<-!
	Due to package relocation, the lus and optical drivers can not be
	dynamically loaded. The drivers will be configured automatically
	the next time the target system is rebooted.
	!
else
	if [ `uname -r | cut -f 2 -d '.'` -lt 10 ]; then
		# use lus driver on Solaris 9 and below
		add_drv -m '* 0666 bin bin' lus > /dev/null 2>&1
		if [ $? -eq 0 ]; then
			echo "lus driver configured and loaded"
		else
			echo "lus driver did not configure properly"
		fi
	else
		# for Solaris 10 and above we use sgen instead of lus

		# if sgen is currently loaded, we must ask the user if
		# we can unload and reload it so that our modifications
		# to sgen.conf will take effect

		ID=`modinfo | grep sgen | awk '{print $1}'`
		if [ -n "$ID" ]; then
			echo
			echo "The changes made to sgen.conf will not take effect until sgen is reloaded. "
			echo
			echo "If you are sure that no process is currently using sgen to control "
			echo "     a tape library or other device, then it may be safely unloaded. "
			RESULT=`ckyorn -Q -p "Would you like to unload sgen? (default=no)" -d no`
			if [ `expr ${RESULT} : [yY]` -ne 0 ]; then
				modunload -i ${ID}
				if [ $? != 0 ]; then
					echo "   ERROR: modunload -i $ID failed "
					echo "   You must unload and reload sgen manually or reboot this system before "
					echo "   changes will take effect "
					echo
				else
					echo "  sgen unloaded OK - we will now reload it so other applications "
					echo "  that depend on it will continue to function properly. "
					echo
					modload -p drv/sgen
				fi
			else
					echo "   You must unload and reload sgen manually or reboot this system before "
					echo "   changes will take effect "
					echo

			fi

		else
			#sgen is not currently loaded - we can safely load it ourselves
			modload -p drv/sgen
			if [ $? -eq 0 ]; then
				echo "sgen driver configured and loaded"
			else
				add_drv -n -m '* 0600 bin bin' sgen > /dev/null 2>&1
				if [ $? -eq 0 ]; then
					modload -p drv/sgen
					if [ $? -eq 0 ]; then
						echo "sgen driver configured, added and loaded properly"
					else
						echo "sgen driver added OK, but did not load properly"
					fi
				else
					echo "  ***  sgen driver did not load properly and "
					echo "  ***  it could not be added "
					echo "  ***  /kernel/drv/sparcv9/sgen is possibly missing"
					exit 2

				fi
			fi
		fi
	fi
	add_drv -n -m '* 0600 bin bin' op > /dev/null 2>&1
	if [ $? -eq 0 ]; then
		echo "optical driver configured and loaded"
	else
		echo "optical driver did not configure properly"
	fi
fi
}

#==============================================================================
# Function:	start_daemons
# Summary:	start the NetWorker daemons
#==============================================================================
start_daemons()
{
if [ "X${RESTART_DAEMONS}" = "Xyes" ]; then
	echo "Starting the ${PRODUCT_NAME} daemons"
	/etc/init.d/networker start
fi
}

#==============================================================================
# Function:	main
#==============================================================================
add_devlink
if [ `uname -r | cut -f 2 -d '.'` -ge 10 ]; then
	add_sgen
	remove_lus
fi
load_drivers
start_daemons
exit 0