3 ###############################################################################
5 ## ofpath: determine OpenFirmware path from unix device node
6 ## Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
8 ## Portions based on show_of_path.sh:
10 ## Copyright (C) 2000 Olaf Hering <olh@suse.de>
12 ## This program is free software; you can redistribute it and/or
13 ## modify it under the terms of the GNU General Public License
14 ## as published by the Free Software Foundation; either version 2
15 ## of the License, or (at your option) any later version.
17 ## This program is distributed in the hope that it will be useful,
18 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ## GNU General Public License for more details.
22 ## You should have received a copy of the GNU General Public License
23 ## along with this program; if not, write to the Free Software
24 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 ###############################################################################
28 PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
39 Written by Ethan Benson
40 Portions based on show_of_path.sh written by Olaf Hering
42 Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
43 Portions Copyright (C) 2000 Olaf Hering
44 This is free software; see the source for copying conditions. There is NO
45 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
52 "Usage: $PRG [OPTION]... FILE
53 Find OpenFirmware device path from unix device node.
55 --debug print boring junk only useful for debugging
56 -h, --help display this help and exit
57 -V, --version output version information and exit"
60 ## a small seq replacement, seq is not present on boot/rescue floppies.
66 while [ "$v" -gt 1 ] ; do
74 ## a kludge to replace wc -l, wc is not present on boot/rescue
75 ## floppies. max file is 145 lines, 3 hosts * 16 devs each * 3 lines
76 ## per device, + 1 "Attached Devices:" line.
83 local file="$(cat $1)"
87 if [ -z "$file" ] ; then
92 ## use real wc if available
93 if (command -v wc > /dev/null 2>&1) ; then
94 if [ -x `command -v wc` ] ; then
95 lines="$(echo "$file" | wc -l)"
105 for i in `smallseq 145` ; do
106 local b="$(echo "$file" | tail -n $i)"
107 if [ "$v" = "$b" ] ; then
116 ## small tr replacment which handles a specific need of this script.
120 a) echo 1 ;; b) echo 2 ;; c) echo 3 ;; d) echo 4 ;; e) echo 5 ;; f) echo 6 ;;
121 g) echo 7 ;; h) echo 8 ;; i) echo 9 ;; j) echo 10 ;; k) echo 11 ;; l) echo 12 ;;
122 m) echo 13 ;; n) echo 14 ;; o) echo 15 ;; p) echo 16 ;;
123 1) echo a ;; 2) echo b ;; 3) echo c ;; 4) echo d ;; 5) echo e ;;
124 6) echo f ;; 7) echo g ;; 8) echo h ;; 9) echo i ;; 10) echo j ;;
125 11) echo k ;; 12) echo l ;; 13) echo m ;; 14) echo n ;; 15) echo o ;;
131 ## replacment for grep -l which is not supported by busybox grep.
132 ## echo $(cat..) hack needed because busybox grep barfs with `line too
133 ## long' when fed /proc files. the for loop is needed since busybox
134 ## grep seems to have somewhat broken regexp support.
135 ## usage: lgrep filename regexp regexp ...
141 echo "$(cat "$f")" | grep -q "$i" && echo "$f" && break
146 ## if readlink is missing use a kludge
147 if (command -v readlink > /dev/null 2>&1) ; then
152 local SYMTARGET="$(v=`ls -l "$1" 2>/dev/null` ; echo ${v##*> })"
153 if [ -n "$SYMTARGET" ] ; then
162 ## a function to print relevant scsi host path when there is more then
163 ## one. this function also takes care of stripping off the trailing
184 ## this finds information we need on both newworld and oldworld macs.
185 ## mainly what scsi host a disk is attached to.
188 ## see if system has scsi at all
189 if [ ! -f /proc/scsi/scsi ] ; then
190 local kver="$(uname -r)"
193 if [ -d /sys/bus/scsi/devices -a \
194 -n "$(ls /sys/bus/scsi/devices 2>/dev/null)" ] ; then
195 echo 1>&2 "$PRG: /proc/scsi/scsi does not exist"
196 echo 1>&2 "$PRG: Make sure you compiled your kernel with CONFIG_SCSI_PROC_FS=y"
201 echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
205 ## first we have to figure out the SCSI ID, have to do that
206 ## anyway [to] find the attached scsi disks = "Direct-Access" and
207 ## stop at sda=1 sdb=2 or whatever count in 3 lines steps
209 ## get last letter of device node, ie sda -> a
210 SUBNODE=${DEVNODE##*sd}
212 ## turn SUBNODE above into a number starting at 1, ie a -> 1
213 SUBDEV="$(smalltr $SUBNODE)"
214 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: SUBNODE=$SUBNODE SUBDEV=$SUBDEV"
218 ## copy scsi file into a variable removing "Attached Devices"
219 ## which is the first line. this avoids a lot of
220 ## [incmopatible] crap later, and improves readability.
222 ## find number of lines once and recycle that number, to save
223 ## some time (linecount is a bit slow). subtract one line
224 ## to scrap Attached Devices:
226 SCSILINES="$(($(linecount /proc/scsi/scsi) - 1))"
228 if [ "$SUBDEV" -gt "$(cat /proc/scsi/scsi | grep Direct-Access | linecount)" ] ; then
229 echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
233 PROCSCSI="$(cat /proc/scsi/scsi | tail -n $SCSILINES)"
235 for i in $(smallseq $(($SCSILINES / 3))) ; do
237 ## put every scsi device into one single line
238 DEVINFO="$(echo "$PROCSCSI" | head -n $(($i * 3)) | tail -n 3)"
239 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVINFO=$DEVINFO"
241 ## cut the type field, expect "Direct-Access" later.
242 DEVTYPE="$(v=$(echo ${DEVINFO##*Type: }) ; echo ${v%% *})"
243 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVTYPE=$DEVTYPE"
245 ## get the device id.
246 DEVID="$(v=$(echo ${DEVINFO##*Id: }) ; n=$(echo ${v%% *}) ; echo ${n#*0})"
247 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVID=$DEVID"
249 ## get the scsi host id.
250 DEVHOST="$(v=$(echo ${DEVINFO##*Host: scsi}) ; echo ${v%% *})"
251 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVHOST=$DEVHOST"
253 if [ "$DEVTYPE" = "Direct-Access" ] ; then
254 DEVCOUNT="$(($DEVCOUNT + 1))"
255 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVCOUNT=$DEVCOUNT"
256 if [ "$SUBDEV" = "$DEVCOUNT" ] ; then
259 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVICE_HOST=$DEVICE_HOST"
265 ## figure out what the scsi driver is, it is /proc/scsi/dirname.
266 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVICE_HOST=$DEVICE_HOST"
267 SCSI_DRIVER="$(x=`ls /proc/scsi/*/$DEVICE_HOST 2>/dev/null | cat` ; y=`echo ${x##*proc/scsi/}` ; echo ${y%%/*})"
268 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: SCSI_DRIVER=$SCSI_DRIVER"
270 ## figure out which host we found.
271 SCSI_HOSTNUMBER="$(v=`ls /proc/scsi/$SCSI_DRIVER/* 2>/dev/null | cat | grep -n "$DEVICE_HOST\>"` ; echo ${v%%:*})"
272 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: SCSI_HOSTNUMBER=$SCSI_HOSTNUMBER"
277 ## generic function that can find OF device paths for scsi devices,
278 ## must be run after scsiinfo().
281 case "$SCSI_DRIVER" in
283 HOST_LIST="$(for i in `find /proc/device-tree -name compatible` ; do
284 lgrep "$i" "^ADPT" "^pci900[45]" "^pciclass,01000" ; done)"
285 DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
286 echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
289 HOST_LIST="$(for i in `find /proc/device-tree -name compatible` ; do
290 lgrep "$i" "^Symbios" "^pci1000" "^pciclass,01000" ; done)"
291 DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
292 echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
295 HOST_LIST="$(for i in `find /proc/device-tree -name compatible` ; do
296 lgrep "$i" "mesh" ; done)"
297 DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
298 echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
301 HOST_LIST="$(for i in `find /proc/device-tree -name compatible ` ; do
302 lgrep "$i" "k2-sata" ; done | sort)"
303 DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
304 echo "${DEVICE_PATH##*device-tree}/disk@0:$PARTITION"
307 HOST_LIST="$(for i in `find /proc/device-tree -name name` ; do
308 lgrep "$i" "sbp-2" ; done)"
309 DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
310 echo "${DEVICE_PATH##*device-tree}/disk@0:$PARTITION"
313 echo 1>&2 "$PRG: Driver: $SCSI_DRIVER is not supported"
322 if [ ! -L "/proc/ide/$DEVNODE" ] ; then
323 echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
327 local IDEBUS="$(v=`readlink /proc/ide/$DEVNODE` ; echo ${v%%/*} )"
328 if [ -z "$IDEBUS" ] ; then
329 echo 1>&2 "$PRG: BUG: IDEBUS == NULL"
333 case "$(uname -r)" in
334 2.5.*|2.6.0*|2.6.1|2.6.1-*|2.6.2|2.6.2-*)
335 echo 1>&2 "$PRG: Linux kernel `uname -r` is not supported"
339 if ! (grep -q '.* .* sysfs ' /proc/mounts 2> /dev/null) ; then
340 echo 1>&2 "$PRG: sysfs must be mounted for ofpath to support this system"
343 local SYS="$(m=`grep '.* .* sysfs ' /proc/mounts | head -n 1` ; echo `d=${m#* };echo ${d%% *}`)"
344 if [ -z "$SYS" -o ! -d "$SYS" ] ; then
345 echo 1>&2 "$PRG: Unable to determine sysfs mountpoint"
348 local OF1275IDE="${SYS}/block/${DEVNODE}/device/../../devspec"
351 local OF1275IDE="/proc/ide/$IDEBUS/devspec"
355 if [ ! -f "$OF1275IDE" ] ; then
356 case "$(cat /proc/device-tree/model)" in
357 PowerMac3*|PowerMac4*|PowerMac5*|PowerMac6*|PowerMac7*|RackMac*)
358 local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
359 if [ -z "$CDROM" ] ; then
360 echo 1>&2 "$PRG: WARNING: Your kernel is too old for proper support, device may be innaccurate."
361 echo "ultra2:$PARTITION"
367 local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
368 if [ -z "$CDROM" ] ; then
369 if [ "$DEVNODE" = hda ] ; then
372 echo "ultra1:$PARTITION"
380 local DEVSPEC="$(cat $OF1275IDE)"
381 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVSPEC=$DEVSPEC"
382 if [ -z "$DEVSPEC" ] ; then
383 echo 1>&2 "$PRG: KERNEL BUG: $OF1275IDE exists, but is empty"
387 if [ ! -f "/proc/ide/${IDEBUS}/channel" ] ; then
388 echo 1>&2 "$PRG: KERNEL BUG: /proc/ide/${IDEBUS}/channel does not exist"
392 case "$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)" in
394 local MASTER="/disk@0"
395 local SLAVE="/disk@1"
398 local MASTER="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@0"
399 local SLAVE="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@1"
401 scsi) ## some lame controllers pretend they are scsi, hopefully all kludges are created equal.
402 local MASTER="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 0))"
403 local SLAVE="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 1))"
406 local MASTER="/disk@$(cat /proc/ide/${IDEBUS}/channel),0"
407 local SLAVE="/disk@$(cat /proc/ide/${IDEBUS}/channel),1"
410 echo 1>&2 "$PRG: Unsupported IDE device type: \"$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)\""
416 hda|hdc|hde|hdg|hdi|hdk|hdm|hdo)
417 echo "${DEVSPEC}${MASTER}:$PARTITION"
420 hdb|hdd|hdf|hdh|hdj|hdl|hdn|hdp)
421 echo "${DEVSPEC}${SLAVE}:$PARTITION"
425 echo 1>&2 "$PRG: /dev/$DEVNODE is not supported"
432 ## figure out the OpenFirmware device path for newworld macs.
433 ## sd* scsi disks , hd* ide disks.
438 ## use common scsiinfo function to get info we need.
441 ## now we have the data for /@$DEVID:$PARTITION
442 ## find the actual OF path.
443 scsi_ofpath || return 1
446 ide_ofpath || return 1
449 echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"
458 ## for some reason 2.4 kernels put OF aliases in aliases@0/ instead of plain aliases/
459 if [ -d "/proc/device-tree/aliases" ] ; then
460 local ALIASES="aliases"
461 elif [ -d "/proc/device-tree/aliases@0" ] ; then
462 local ALIASES="aliases@0"
464 echo 1>&2 "$PRG: Cannot find OpenFirmware aliases directory in /proc/device-tree/"
468 local MODEL="$(cat /proc/device-tree/compatible)"
469 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: Oldworld subarch: $MODEL"
472 AAPL,7300*|AAPL,7500*|AAPL,8500*|AAPL,9500*|AAPL,\?\?\?\?*)
476 case "$SCSI_DRIVER" in
478 echo $(cat /proc/device-tree/$ALIASES/scsi-int)/sd\@$DEVICE_ID:$PARTITION
481 echo $(cat /proc/device-tree/$ALIASES/scsi)/sd\@$DEVICE_ID:$PARTITION
484 echo 1>&2 "$PRG: Driver $SCSI_DRIVER is not supported"
490 echo 1>&2 "$PRG: Unsupported device: /dev/$DEVNODE"
499 case "$SCSI_DRIVER" in
501 echo $(cat /proc/device-tree/$ALIASES/scsi)/sd\@$DEVICE_ID:$PARTITION
504 echo 1>&2 "$PRG: Driver $SCSI_DRIVER is not supported"
510 echo $(cat /proc/device-tree/$ALIASES/ata)/ATA-Disk\@0:$PARTITION
513 echo $(cat /proc/device-tree/$ALIASES/ata)/ATA-Disk\@1:$PARTITION
516 echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"
524 case "$SCSI_DRIVER" in
526 echo $(cat /proc/device-tree/$ALIASES/scsi)/sd\@$DEVICE_ID:$PARTITION
529 echo 1>&2 "$PRG: Driver $SCSI_DRIVER is not supported"
535 echo $(cat /proc/device-tree/$ALIASES/ata)/ata-disk\@0:$PARTITION
538 echo $(cat /proc/device-tree/$ALIASES/ata)/ata-disk\@1:$PARTITION
541 echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"
545 AAPL,Gossamer*|AAPL,PowerMac\ G3*)
549 case "$SCSI_DRIVER" in
551 echo $(cat /proc/device-tree/$ALIASES/scsi)/sd\@$DEVICE_ID:$PARTITION
554 echo 1>&2 "$PRG: Driver $SCSI_DRIVER is not supported"
560 echo $(cat /proc/device-tree/$ALIASES/ide0)/ata-disk\@0:$PARTITION
563 echo $(cat /proc/device-tree/$ALIASES/ide0)/ata-disk\@1:$PARTITION
566 echo $(cat /proc/device-tree/$ALIASES/ide1)/ata-disk\@0:$PARTITION
569 echo $(cat /proc/device-tree/$ALIASES/ide1)/ata-disk\@1:$PARTITION
572 echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"
577 if [ -f /proc/device-tree/$ALIASES/ata0 ] ; then
582 if [ -f /proc/device-tree/$ALIASES/ata1 ] ; then
590 case "$SCSI_DRIVER" in
592 echo $(cat /proc/device-tree/$ALIASES/scsi)/sd\@$DEVICE_ID:$PARTITON
595 echo 1>&2 "$PRG: Driver $SCSI_DRIVER is not supported"
601 echo $(cat /proc/device-tree/$ALIASES/$ATA0)/ata-disk\@0:$PARTITION
604 echo $(cat /proc/device-tree/$ALIASES/$ATA0)/ata-disk\@1:$PARTITION
607 echo $(cat /proc/device-tree/$ALIASES/$ATA1)/atapi-disk\@0:$PARTITION
610 echo $(cat /proc/device-tree/$ALIASES/$ATA1)/atapi-disk\@1:$PARTITION
613 echo 1>&2 "$PRG: Unsupported device: /dev/$DEVNODE"
622 case "$SCSI_DRIVER" in
624 echo $(cat /proc/device-tree/$ALIASES/scsi-int)/sd\@$DEVICE_ID:$PARTITON
627 echo $(cat /proc/device-tree/$ALIASES/scsi)/sd\@$DEVICE_ID:$PARTITON
630 echo 1>&2 "$PRG: Driver $SCSI_DRIVER is not supported"
636 echo $(cat /proc/device-tree/$ALIASES/ata0)/ata-disk\@0:$PARTITION
639 echo $(cat /proc/device-tree/$ALIASES/ata0)/ata-disk\@1:$PARTITION
642 echo $(cat /proc/device-tree/$ALIASES/ata1)/atapi-disk\@0:$PARTITION
645 echo $(cat /proc/device-tree/$ALIASES/ata1)/atapi-disk\@1:$PARTITION
648 echo $(cat /proc/device-tree/$ALIASES/ata2):$PARTITION
651 echo $(cat /proc/device-tree/$ALIASES/ata3):$PARTITION
654 echo 1>&2 "$PRG: Unsupported device: /dev/$DEVNODE"
660 echo 1>&2 "$PRG: This machine is not supported: $MODEL"
667 ## find OpenFirmware device path for IBM CHRP hardware (scsi only)
672 if ls -l /proc/device-tree | grep -q ^d ; then
675 echo 1>&2 "$PRG: /proc/device-tree is broken."
679 ## use common scsiinfo function to get info we need.
682 ## now we have the data for /@$DEVID:$PARTITION
683 ## find the actual OF path.
684 scsi_ofpath || return 1
687 echo 1>&2 "$PRG: Device: /dev/$DEVNODE is not supported"
694 ## If we get lame devfs name, we need to make it foad
698 /dev/ide/*|/dev/scsi/*|/dev/discs/*)
707 ## convert devfs names into normal short ones, written by Tom Rini.
710 ## get partition number, if any
711 local PARTNUM="${1##*[a-z]}"
712 ## Find the bus type.
713 local TYPE="$(v=${1#/dev/} ; echo ${v%/host*})"
714 ## Find the host number.
715 local HOST="$(v=${1#/dev/*/host} ; echo ${v%/bus*})"
716 ## Find the bus number.
717 local BUS="$(v=${1#/dev/*/bus} ; echo ${v%/tar*})"
719 local TARGET="$(v=${1#/dev/*/target} ; echo ${v%/lun*})"
745 echo 1>&2 "$PRG: $1: Unable to translate this device, try again without devfs."
748 local DEV="${DEV}${PARTNUM}"
753 local LUN="$(v=${1#/dev/*/lun} ; echo ${v%/*})"
755 ## In this case, we need to figure out what number our device is
758 ## copy scsi file into a variable removing "Attached Devices"
759 ## which is the first line. this avoids a lot of
760 ## [incmopatible] crap later, and improves readability.
762 ## find number of lines once and recycle that number, to save
763 ## some time (linecount is a bit slow). subtract one line
764 ## to scrap Attached Devices:
766 local SCSILINES="$(($(linecount /proc/scsi/scsi) - 1))"
767 local PROCSCSI="$(cat /proc/scsi/scsi | tail -n $SCSILINES)"
769 for i in $(smallseq $(($SCSILINES / 3))) ; do
771 ## put every scsi device into one single line
772 local DEVINFO="$(echo "$PROCSCSI" | head -n $(($i * 3)) | tail -n 3)"
773 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: fixdevfs: DEVINFO=$DEVINFO"
775 ## cut the type field, expect "Direct-Access" later.
776 local DEVTYPE="$(v=$(echo ${DEVINFO##*Type: }) ; echo ${v%% *})"
777 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: fixdevfs: DEVTYPE=$DEVTYPE"
779 if [ "$DEVTYPE" = "Direct-Access" ] ; then
780 ## Lets find out some more information
781 ## get the device id.
782 local DEVID="$(v=$(echo ${DEVINFO##*Id: }) ; n=$(echo ${v%% *}) ; echo ${n#*0})"
783 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: fixdevfs: DEVID=$DEVID"
785 ## get the device lun.
786 local DEVLUN="$(v=$(echo ${DEVINFO##*Lun: }) ; n=$(echo ${v%% *}) ; echo ${n#*0})"
787 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: fixdevfs: DEVLUN=$DEVLUN"
789 ## get the device channel.
790 local DEVCHAN="$(v=$(echo ${DEVINFO##*Channel: }) ; n=$(echo ${v%% *}) ; echo ${n#*0})"
791 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: fixdevfs: DEVCHAN=$DEVCHAN"
793 ## get the scsi host id.
794 local DEVHOST="$(v=$(echo ${DEVINFO##*Host: scsi}) ; echo ${v%% *})"
795 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: fixdevfs: DEVHOST=$DEVHOST"
797 local DEVCOUNT="$(($DEVCOUNT + 1))"
798 [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: fixdevfs: DEVCOUNT=$DEVCOUNT"
799 if [ "$DEVHOST" = "$HOST" -a "$DEVCHAN" = "$BUS" -a \
800 "$DEVID" = "$TARGET" -a "$DEVLUN" = "$LUN" ] ; then
801 local DEV="sd$(smalltr $DEVCOUNT)${PARTNUM}"
807 echo 1>&2 "$PRG: $1: Unable to translate this device, try again without devfs."
811 echo 1>&2 "$PRG: Unknown bus $TYPE"
815 ## we should never get here
819 ## make sure that find, head and tail can be found. otherwise the
820 ## script will silently give bogus paths. these are the only /usr/*
821 ## utilities this script depends on.
824 if command -v find > /dev/null 2>&1 ; then
825 [ -x `command -v find` ] || FAIL=1 ; else FAIL=1 ; fi
826 if command -v head > /dev/null 2>&1 ; then
827 [ -x `command -v head` ] || FAIL=1 ; else FAIL=1 ; fi
828 if command -v tail > /dev/null 2>&1 ; then
829 [ -x `command -v tail` ] || FAIL=1 ; else FAIL=1 ; fi
831 if [ "$FAIL" = 1 ] ; then
832 echo 1>&2 "$PRG: \`find', \`head', or \`tail' could not be found, aborting."
839 ## parse command line switches.
840 if [ $# != 0 ] ; then
856 echo 1>&2 "$PRG: unrecognized option \`$1'"
857 echo 1>&2 "$PRG: Try \`$PRG --help' for more information."
861 echo 1>&2 "$PRG: You must specify a filename"
862 echo 1>&2 "Try \`$PRG --help' for more information."
872 echo 1>&2 "$PRG: You must specify a /dev device"
873 echo 1>&2 "Try \`$PRG --help' for more information."
877 ## check that FILE is a block device and exists.
878 if [ ! -e "$device" ] ; then
879 echo 1>&2 "$PRG: $device: No such file or directory"
881 elif [ ! -b "$device" ] ; then
882 echo 1>&2 "$PRG: $device is not a block device"
886 ## check that we are running on a GNU/Linux system, OSX/BSD does not
887 ## have the same /proc stuff
888 if [ `uname -s` != Linux ] ; then
889 echo 1>&2 "$PRG: This utility will only work with GNU/Linux"
893 ## check for ppc, i think uname -m is safe for this...
894 if [ `uname -m` != ppc -a `uname -m` != ppc64 ] ; then
895 echo 1>&2 "$PRG: This utility will only work on PowerPC hardware"
899 ## ofpath cannot live without procfs
900 if [ ! -f /proc/uptime ] ; then
901 echo 1>&2 "$PRG: This utility requires the /proc filesystem"
905 ## check for retarded devfs names and tell them to foad.
906 if ckdevfs "$device" ; then
907 device="$(fixdevfs $device)" || exit 1
910 ## check for newworld mac. use cat hack due to /proc wierdness.
911 if [ "$(v=`cat /proc/cpuinfo 2>/dev/null | grep pmac-generation` ; echo ${v##*:[ ]})" = NewWorld ] ; then
913 elif [ "$(v=`cat /proc/cpuinfo 2>/dev/null | grep pmac-generation` ; echo ${v##*:[ ]})" = OldWorld ] ; then
915 elif (cat /proc/cpuinfo 2>/dev/null | grep ^motherboard | grep -q AAPL) ; then
917 elif (cat /proc/cpuinfo 2> /dev/null | grep ^machine | grep -q 'CHRP IBM') ; then
919 elif (cat /proc/cpuinfo 2>/dev/null | grep ^machine | grep -q 'CHRP Pegasos') ; then
922 echo 1>&2 "$PRG: This machine is not yet supported"
926 ## make sure /proc/device-tree exists
927 if [ ! -d /proc/device-tree ] ; then
928 echo 1>&2 "$PRG: /proc/device-tree does not exist"
929 echo 1>&2 "$PRG: Make sure you compiled your kernel with CONFIG_PROC_DEVICETREE=y"
933 ## make sure we have what we need.
936 ## get the base device node and scrap /dev/ ie /dev/hda2 -> hda
937 DEVICE="${device##*/}"
938 DEVNODE="${DEVICE%%[0-9]*}"
939 PARTITION="${DEVICE##*[a-z]}"
941 ## use appropriate search for right sub arch.
943 # Pegasos OF seems to be NewWorld-ish enough to cope with this.