#!/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
#
#

setvar PATH = "/sbin:/bin"
setvar ORIGIFS = "${IFS}"
setvar USAGE = ""Usage: ibd_upgrade [-v]""
setvar DRVCONF = '/kernel/drv/ibp.conf.old'

#
# split device path into path components
#
proc split_path_components
{
	setvar hca_path = ''
	setvar node_name = ''
	setvar port = ''
	setvar pkey = ''
	setvar service = ''
	setvar partition_name = ''

	setvar hca_path = ""/dev/$(dirname $device_path)""
	setvar bname = $(basename $device_path)
	setvar IFS = "":""
	set -- $bname
	setvar node_at_addr = "$1"
	setvar partition_name = "$2"
	setvar IFS = ""@""
	set -- $node_at_addr
	setvar node_name = "$1"
	setvar IFS = "",""
	set -- $2
	setvar port = "$1"
	setvar pkey = "0x$2"
	setvar service = "$3"

	setvar IFS = "${ORIGIFS}"
}

proc do_cmd
{
	if test $verbose -eq 1 {
		echo $1
	}
	$1
}

proc process_rc_mode
{
	setvar device = "$1"

	#
	# Get the instance number of ibd
	# Device name format would be ibd#, 
	#
	setvar IFS = ""d""
	set -- ${device}
	setvar IFS = "${ORIGIFS}"

	if test $1 != "ib" {
		return
	}

	setvar inst = "$2"

	setvar IFS = "",""
	set -- ${enable_rc}
	setvar IFS = "${ORIGIFS}"

	if test ${inst} -lt $Argc {
		(( inst = $inst + 1 ))
		eval "linkmode=\$${inst}"
	} else {
		setvar linkmode = '0'
	}

	if test $linkmode = "0" {
		do_cmd "dladm set-linkprop -p linkmode=ud ${device}"
	}
}

setvar verbose = '0'
while getopts v c
{
	match $c {
	with v	setvar verbose = '1'
	with \?	echo $USAGE 1>&2
		exit 2
	}
}

setvar enable_rc = ''
if test -f ${DRVCONF} {
	setvar enable_rc = $(egrep "^[ 	]*enable_rc[ 	]*=" ${DRVCONF} | sed -e "s/[ 	]*//g" -e "s/enable_rc=//" -e "s/;$//" )
}

#
# Loop through all ibd devices based on the old model (i.e., one ibd instance
# per partition; consequently device names have non zero pkey)
# and create data links with the same names as in the old model under the
# new model.
#
ls -l /dev/ibd* 2> /dev/null \
    | while read x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 device_path
{
	split_path_components

	if test $node_name != "ibport" -o $service != "ipib" \
	    -o $pkey = "0x0" -o $pkey = "0x" {
		continue
	}

	# verify that the hca path exists
	cd $hca_path 2> /dev/null
	if test $Status -ne 0 {
		continue
	}

	setvar fn = $(echo ibport@${port},0,ipib:ibp*[0-9])
	if test -c $fn {
		setvar IFS = "":""
		set -- $fn
		setvar IFS = "${ORIGIFS}"

		do_cmd "dladm delete-phys $partition_name" 2>/dev/null
		if test $Status -ne 0 {
			do_cmd "ibd_delete_link $partition_name"
		}
		do_cmd "dladm create-part -f -l $2 -P $pkey $partition_name"

		if test $enable_rc != "" {
			process_rc_mode $partition_name
		}
	}
} 

exit 0