###############################################################################
##
## ofpath: determine OpenFirmware path from unix device node
-## Copyright (C) 2000, 2001, 2002 Ethan Benson
+## Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
##
## Portions based on show_of_path.sh:
##
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
PRG="${0##*/}"
-VERSION=1.0.3-DEVEL_DO_NOT_DISTRIBUTE-1
+VERSION=1.0.5-UNRELEASED_UNSUPPORTED
DEBUG=0
export LC_COLLATE=C
Written by Ethan Benson
Portions based on show_of_path.sh written by Olaf Hering
-Copyright (C) 2000, 2001, 2002 Ethan Benson
+Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
Portions Copyright (C) 2000 Olaf Hering
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
else
readlink()
{
- local SYMTARGET="$(v=`ls -l "$2" 2>/dev/null` ; echo ${v##*> })"
+ local SYMTARGET="$(v=`ls -l "$1" 2>/dev/null` ; echo ${v##*> })"
if [ -n "$SYMTARGET" ] ; then
echo "$SYMTARGET"
return 0
{
## see if system has scsi at all
if [ ! -f /proc/scsi/scsi ] ; then
+ local kver="$(uname -r)"
+ case "$kver" in
+ 2.5.*|2.6.*)
+ if [ -d /sys/bus/scsi/devices -a \
+ -n "$(ls /sys/bus/scsi/devices 2>/dev/null)" ] ; then
+ echo 1>&2 "$PRG: /proc/scsi/scsi does not exist"
+ echo 1>&2 "$PRG: Make sure you compiled your kernel with CONFIG_SCSI_PROC_FS=y"
+ return 1
+ fi
+ ;;
+ esac
echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
return 1
fi
DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
;;
+ ata_k2)
+ HOST_LIST="$(for i in `find /proc/device-tree -name compatible` ; do
+ lgrep "$i" "k2-s-ata" ; done)"
+ DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
+ echo "${DEVICE_PATH##*device-tree}/k2-sata@$DEVICE_ID/disk@0:$PARTITION"
+ ;;
*)
echo 1>&2 "$PRG: Driver: $SCSI_DRIVER is not supported"
return 1
ide_ofpath()
{
- local OF1275IDE=/proc/ide/of1275
+ if [ ! -L "/proc/ide/$DEVNODE" ] ; then
+ echo 2>&1 "$PRG: /dev/$DEVNODE: Device not configured"
+ return 1
+ fi
+
+ local IDEBUS="$(v=`readlink /proc/ide/$DEVNODE` ; echo ${v%%/*} )"
+ if [ -z "$IDEBUS" ] ; then
+ echo 1>&2 "$PRG: BUG: IDEBUS == NULL"
+ return 1
+ fi
+ local OF1275IDE="/proc/ide/$IDEBUS/devspec"
if [ ! -f "$OF1275IDE" ] ; then
case "$(cat /proc/device-tree/model)" in
"PowerMac3,6")
local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
if [ -z "$CDROM" ] ; then
+ echo 1>&2 "$PRG: WARNING: Your kernel is too old for proper support, device may be innaccurate."
echo "ultra2:$PARTITION"
else
echo "cd:$PARTITION"
fi
;;
*)
- if [ ! -L "/proc/ide/$DEVNODE" ] ; then
- echo "$PRG: /dev/$DEVNODE: Device not configured"
- return 1
- fi
local CDROM="$(grep "^drive name:" /proc/sys/dev/cdrom/info 2> /dev/null | grep $DEVNODE)"
if [ -z "$CDROM" ] ; then
if [ "$DEVNODE" = hda ] ; then
;;
esac
else
- if [ ! -L "/proc/ide/$DEVNODE" ] ; then
- echo 2>&1 "$PRG: /dev/$DEVNODE: Device not configured"
+ local DEVSPEC="$(cat $OF1275IDE)"
+ [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVSPEC=$DEVSPEC"
+ if [ -z "$DEVSPEC" ] ; then
+ echo 1>&2 "$PRG: KERNEL BUG: $OF1275IDE exists, but is empty"
return 1
fi
- local IDEBUS="$(v=`readlink /proc/ide/$DEVNODE` ; echo ${v%%/*} )"
- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: IDEBUS=$IDEBUS"
- local NUMBUSSES="$(($(linecount $OF1275IDE) / 5))"
- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: NUMBUSSES=$NUMBUSSES"
- if [ "$((${IDEBUS##ide} + 1))" -gt "$NUMBUSSES" ] ; then
- echo 1>&2 "$PRG: /dev/$DEVNODE is not supported"
- return 1
- fi
- local IDEDEV="$(head -n $((5 * $((${IDEBUS##ide} + 1)))) $OF1275IDE | tail -n 5)"
- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: IDEDEV=$IDEDEV"
- if [ "$(echo "$IDEDEV" | head -n 1)" != "$IDEBUS" ] ; then
- echo "$PRG: /dev/$DEVNODE: is not supported"
+ if [ ! -f "/proc/ide/${IDEBUS}/channel" ] ; then
+ echo 1>&2 "$PRG: KERNEL BUG: /proc/ide/${IDEBUS}/channel does not exist"
return 1
fi
- local DEVSPEC="$(v=`echo "$IDEDEV" | grep devspec` ; echo ${v##*:})"
- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVSPEC=$DEVSPEC"
+
+ case "$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)" in
+ ide|ata)
+ local MASTER="/disk@0"
+ local SLAVE="/disk@1"
+ ;;
+ pci-ide|pci-ata)
+ local MASTER="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@0"
+ local SLAVE="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@1"
+ ;;
+ scsi) ## some lame controllers pretend they are scsi, hopefully all kludges are created equal.
+ local MASTER="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 0))"
+ local SLAVE="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 1))"
+ ;;
+ *)
+ echo 2>&1 "$PRG: Unsupported IDE device type: \"$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)\""
+ return 1
+ ;;
+ esac
+
case "$DEVNODE" in
- hda|hdc|hde|hdg)
- echo "${DEVSPEC}/disk@0:$PARTITION"
+ hda|hdc|hde|hdg|hdi|hdk|hdm|hdo)
+ echo "${DEVSPEC}${MASTER}:$PARTITION"
return 0
;;
- hdb|hdd|hdf|hdh)
- echo "${DEVSPEC}/disk@1:$PARTITION"
+ hdb|hdd|hdf|hdh|hdj|hdl|hdn|hdp)
+ echo "${DEVSPEC}${SLAVE}:$PARTITION"
return 0
;;
*)
fi
## check for ppc, i think uname -m is safe for this...
-if [ `uname -m` != ppc ] ; then
+if [ `uname -m` != ppc -a `uname -m` != ppc64 ] ; then
echo 1>&2 "$PRG: This utility will only work on PowerPC hardware"
exit 1
fi