xref: /titanic_51/usr/src/cmd/stmsboot/stmsboot.sh (revision f4b3ec61df05330d25f55a36b975b4d7519fdeb1) 
1#!/sbin/sh
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22#
23# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26#ident	"%Z%%M%	%I%	%E% SMI"
27
28PATH=/usr/bin:/usr/sbin:$PATH; export PATH
29STMSBOOTUTIL=/lib/mpxio/stmsboot_util
30STMSMETHODSCRIPT=/lib/svc/method/mpxio-upgrade
31FPCONF=/kernel/drv/fp.conf
32TMPFPCONF=/var/run/tmp.fp.conf.$$
33TMPFPCONF_MPXIO_ENTRY=/var/run/tmp.fp.conf.mpxioentry.$$
34VFSTAB=/etc/vfstab
35SAVEDIR=/etc/mpxio
36RECOVERFILE=$SAVEDIR/recover_instructions
37SVCCFG_RECOVERY=$SAVEDIR/svccfg_recover
38USAGE=`gettext "Usage: stmsboot -e | -d | -u | -L | -l controller_number"`
39TEXTDOMAIN=SUNW_OST_OSCMD
40export TEXTDOMAIN
41STMSINSTANCE=system/device/mpxio-upgrade:default
42
43MACH=`/usr/bin/uname -p`
44if [ "x$MACH" = "xsparc" ]; then
45	CLIENT_TYPE_VHCI="/scsi_vhci.*/ssd@.*"
46	CLIENT_TYPE_PHCI="/fp@.*/ssd@.*"
47else
48	CLIENT_TYPE_VHCI="/scsi_vhci.*/disk@.*"
49	CLIENT_TYPE_PHCI="/fp@.*/disk@.*"
50	BOOTENV_FILE=/boot/solaris/bootenv.rc
51fi
52#
53# Copy all entries (including comments) from source driver.conf to destination
54# driver.conf except those entries which contain mpxio-disable property.
55# Take into consideration entries that spawn more than one line.
56#
57# $1	source driver.conf file
58# $2	destination driver.conf file
59#
60# Returns 0 on success, non zero on failure.
61#
62delete_mpxio_disable_entries()
63{
64	sed '
65		/^[ 	]*#/{ p
66			      d
67			    }
68		s/[ 	]*$//
69		/^$/{ p
70		      d
71		    }
72		/mpxio-disable[ 	]*=.*;$/{ w '$3'
73						  d
74						}
75		/;$/{ p
76		      d
77		    }
78		:rdnext
79		N
80		s/[ 	]*$//
81		/[^;]$/b rdnext
82		/mpxio-disable[ 	]*=/{ s/\n/ /g
83					      w '$3'
84					      d
85					    }
86		' $1 > $2
87
88	return $?
89}
90
91#
92# backup the last saved copy of the specified files.
93# $*	files to backup
94#
95backup_lastsaved()
96{
97	for file in $*
98	do
99		file=`basename $file`
100		if [ -f $SAVEDIR/$file ]; then
101			mv $SAVEDIR/$file $SAVEDIR/${file}.old
102		fi
103	done
104}
105
106#
107# build recover instructions
108#
109# $1	1 to include boot script in the instructions
110#	0 otherwise
111#
112build_recover()
113{
114	gettext "Instructions to recover your previous STMS configuration (if in case the system does not boot):\n\n" > $RECOVERFILE
115	echo "\tboot net \c"  >> $RECOVERFILE
116	gettext "(or from a cd/dvd/another disk)\n" >> $RECOVERFILE
117	echo "\tfsck <your-root-device>" >> $RECOVERFILE
118	echo "\tmount <your-root-device> /mnt" >> $RECOVERFILE
119
120	if [ "x$cmd" = xupdate ]; then
121		gettext "\tUndo the modifications you made to STMS configuration.\n\tFor example undo any changes you made to " >> $RECOVERFILE
122		echo "/mnt$FPCONF." >> $RECOVERFILE
123	else
124		echo "\tcp /mnt${SAVEDIR}/fp.conf /mnt$FPCONF" >> $RECOVERFILE
125	fi
126
127	if [ $1 -eq 1 ]; then
128		echo "\tcp /mnt${SAVEDIR}/vfstab /mnt$VFSTAB" >> $RECOVERFILE
129
130		echo "repository /mnt/etc/svc/repository.db" > $SVCCFG_RECOVERY
131		echo "select $STMSINSTANCE" >> $SVCCFG_RECOVERY
132		echo "setprop general/enabled=false" >> $SVCCFG_RECOVERY
133		echo "exit" >> $SVCCFG_RECOVERY
134
135		echo "\t/usr/sbin/svccfg -f /mnt$SVCCFG_RECOVERY" >> $RECOVERFILE
136
137		if [ "x$MACH" = "xi386" -a "x$new_bootpath" != "x" ]; then
138			echo "\tcp /mnt${SAVEDIR}/bootenv.rc /mnt$BOOTENV_FILE" >> $RECOVERFILE
139		fi
140	fi
141
142	rootdisk=`mount | grep "/ on " | cut -f 3 -d " "`
143	echo "\tumount /mnt\n\treboot\n\n${rootdisk} \c" >> $RECOVERFILE
144	gettext "was your root device,\nbut it could be named differently after you boot net.\n" >> $RECOVERFILE
145}
146
147#
148# Arrange for /etc/vfstab and dump configuration to be updated
149# during the next reboot. If the cmd is "enable" or "disable", copy
150# $TMPFPCONF to $FPCONF.
151#
152# Returns 0 on success, 1 on failure.
153#
154update_sysfiles()
155{
156	gettext "WARNING: This operation will require a reboot.\nDo you want to continue ? [y/n] (default: y) "
157	read response
158
159	if [ "x$response" != x -a "x$response" != xy -a \
160	    "x$response" != xY ]; then
161		rm -f $TMPFPCONF
162		return 0
163	fi
164
165	need_bootscript=1
166	if [ "x$cmd" = xenable -o "x$cmd" = xdisable ]; then
167		cp $FPCONF $SAVEDIR
168		cp $TMPFPCONF $FPCONF
169		rm -f $TMPFPCONF
170
171		#
172		# there is no need to update the system files in the following
173		# cases:
174		# - we are enabling mpxio and the system has no configured
175		#   disks accessible by phci paths.
176		# - we are disabling mpxio and the system has no configured
177		#   disks accessible by vhci paths.
178		#
179		if [ "x$cmd" = xenable ]; then
180			ls -l /dev/dsk/*s2 2> /dev/null | \
181			    egrep -s $CLIENT_TYPE_PHCI
182		else
183			ls -l /dev/dsk/*s2 2> /dev/null | \
184			    egrep -s $CLIENT_TYPE_VHCI
185		fi
186
187		if [ $? -ne 0 ]; then
188			need_bootscript=0
189		fi
190	fi
191
192	if [ $need_bootscript -eq 1 ]; then
193		if [ "x$MACH" = "xi386" -a "x$new_bootpath" != "x" ]; then
194			#only update bootpath for x86.
195			cp $BOOTENV_FILE $SAVEDIR
196			eeprom bootpath=$new_bootpath
197		fi
198		#
199		# Enable the mpxio-upgrade service, but don't run it now.
200		# The service will run during the next reboot and will do
201		# the actual job of modifying the system files.
202		#
203		svcadm disable -t $STMSINSTANCE
204		svccfg -f - << EOF
205select $STMSINSTANCE
206setprop general/enabled = true
207EOF
208	fi
209
210	build_recover $need_bootscript
211
212	gettext "The changes will come into effect after rebooting the system.\nReboot the system now ? [y/n] (default: y) "
213	read response
214
215	if [ "x$response" = x -o "x$response" = xy -o \
216	    "x$response" = xY ]; then
217		reboot
218	fi
219
220	return 0
221}
222
223#
224# Enable or disable mpxio as specified by the cmd.
225# Returns 0 on success, 1 on failure.
226#
227configure_mpxio()
228{
229	mpxiodisableno='mpxio-disable[ 	]*=[ 	]*"no"[ 	]*;'
230	mpxiodisableyes='mpxio-disable[ 	]*=[ 	]*"yes"[ 	]*;'
231
232	if [ "x$cmd" = xenable ]; then
233		mpxiodisable_cur_entry=$mpxiodisableyes
234		propval=no
235		msg=`gettext "STMS already enabled."`
236	else
237		mpxiodisable_cur_entry=$mpxiodisableno
238		propval=yes
239		msg=`gettext "STMS already disabled."`
240	fi
241
242	if delete_mpxio_disable_entries $FPCONF $TMPFPCONF $TMPFPCONF_MPXIO_ENTRY; then
243		if [ -s $TMPFPCONF_MPXIO_ENTRY ]; then
244			# fp.conf does have mpxiodisable entries
245			egrep -s "$mpxiodisable_cur_entry" $TMPFPCONF_MPXIO_ENTRY
246			if [ $? -ne 0 ]; then
247				# if all mpxiodisable entries are no/yes for
248				# enable/disable mpxio, notify the user
249				rm -f $TMPFPCONF $TMPFPCONF_MPXIO_ENTRY
250				echo "$msg"
251				return 0
252			fi
253			# If mpxiodisable entries does not exist, always continue update
254		fi
255	else
256		rm -f $TMPFPCONF $TMPFPCONF_MPXIO_ENTRY
257		gettext "failed to update " 1>&2
258		echo "$FPCONF." 1>&2
259		gettext "No changes were made to your STMS configuration.\n" 1>&2
260		return 1
261	fi
262
263	rm $TMPFPCONF_MPXIO_ENTRY
264	echo "mpxio-disable=\"${propval}\";" >> $TMPFPCONF
265
266	#Need to update bootpath on x86 if boot system from FC disk
267	#Only update bootpath before reboot when mpxio is enabled
268	#If mpxio is disabled currently, will update bootpath in mpxio-upgrade
269	if [ "x$MACH" = "xi386" -a "x$cmd" = "xdisable" ]; then
270		get_newbootpath_for_stmsdev
271		if [ $? -ne 0 ]; then
272			rm -f $TMPFPCONF
273			gettext "failed to update bootpath.\n" 1>&2
274			gettext "No changes were made to your STMS configuration.\n" 1>&2
275			return 1
276		fi
277	fi
278	update_sysfiles
279	return $?
280}
281
282setcmd()
283{
284	if [ "x$cmd" = xnone ]; then
285		cmd=$1
286	else
287		echo "$USAGE" 1>&2
288		exit 2
289	fi
290}
291
292
293#Need to update bootpath on x86 if boot system from FC disk
294#Only update bootpath here when mpxio is enabled
295#If mpxio is disabled currently, will update bootpath in mpxio-upgrade
296get_newbootpath_for_stmsdev() {
297	if [ "x$cmd" = "xenable" ]; then
298		return 0
299	fi
300
301	cur_bootpath=`eeprom bootpath | sed 's/bootpath=[ 	]*//g' | sed 's/[ 	]*$//'`
302	if [ "x$cur_bootpath" = "x" ]; then
303		gettext "failed to get bootpath by eeprom\n" 1>&2
304		return 1
305	fi
306
307	#only update bootpath for STMS path
308	echo $cur_bootpath|grep $CLIENT_TYPE_VHCI > /dev/null 2>&1
309	if [ $? -eq 1 ]; then
310		return 0
311	fi
312
313	new_bootpath=`$STMSBOOTUTIL -p /devices$cur_bootpath`
314	if [ $? -ne 0 ]; then
315		new_bootpath=""
316		return 1
317	fi
318}
319
320
321cmd=none
322
323# process options
324while getopts eduLl: c
325do
326	case $c in
327	e)	setcmd enable;;
328	d)	setcmd disable;;
329	u)	setcmd update;;
330	L)	setcmd listall;;
331	l)	setcmd list
332		controller=$OPTARG;;
333	\?)	echo "$USAGE" 1>&2
334		exit 2;;
335	esac
336done
337
338if [ "x$cmd" = xnone ]; then
339	echo "$USAGE" 1>&2
340	exit 2
341fi
342
343set `id`
344if [ "$1" != "uid=0(root)" ]; then
345	gettext "You must be super-user to run this script.\n" 1>&2
346	exit 1
347fi
348
349# just a sanity check
350if [ ! -f $STMSBOOTUTIL -o ! -f $STMSMETHODSCRIPT ]; then
351	fmt=`gettext "Can't find %s and/or %s"`
352	printf "$fmt\n" "$STMSBOOTUTIL" "$STMSMETHODSCRIPT" 1>&2
353	exit 1
354fi
355
356svcprop -q $STMSINSTANCE
357if [ $? -ne 0 ]; then
358	fmt=`gettext "Can't find %s service"`
359	printf "$fmt\n" "$STMSINSTANCE" 1>&2
360	exit 1
361fi
362
363if [ "x$cmd" = xenable -o "x$cmd" = xdisable -o "x$cmd" = xupdate ]; then
364	#
365	# The bootup script doesn't work on cache-only-clients as the script
366	# is executed before the plumbing for cachefs mounting of root is done.
367	#
368	if mount -v | egrep -s " on / type (nfs|cachefs) "; then
369		gettext "This command option is not supported on systems with nfs or cachefs mounted root filesystem.\n" 1>&2
370		exit 1
371	fi
372
373	if [ -d $SAVEDIR ]; then
374		#
375		# keep a copy of the last saved files, useful for manual
376		# recovery in case of a problem.
377		#
378		if [ "x$MACH" = "xsparc" ]; then
379			backup_lastsaved $FPCONF $VFSTAB
380		else
381			backup_lastsaved $FPCONF $VFSTAB $BOOTENV_FILE
382		fi
383	else
384		mkdir $SAVEDIR
385	fi
386
387fi
388
389if [ "x$cmd" = xenable -o "x$cmd" = xdisable ]; then
390	configure_mpxio $cmd
391elif [ "x$cmd" = xupdate ]; then
392	if [ "x$MACH" = "xi386" ]; then
393	# In this case we always change the bootpath to phci-based
394	# path first. bootpath will later be modified in mpxio-upgrade
395	# to the vhci-based path if mpxio is enabled on root.
396		get_newbootpath_for_stmsdev
397		if [ $? -ne 0 ]; then
398			gettext "failed to update bootpath.\n" 1>&2
399			return 1
400		fi
401	fi
402	update_sysfiles
403elif [ "x$cmd" = xlist ]; then
404	$STMSBOOTUTIL -l $controller
405else
406	$STMSBOOTUTIL -L
407fi
408
409exit $?
410