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author | Joseph Jezak <josejx@gentoo.org> | 2010-10-03 17:09:39 +0000 |
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committer | Joseph Jezak <josejx@gentoo.org> | 2010-10-03 17:09:39 +0000 |
commit | fce240dbc87a669d1816e8bc1a34f1986d0548d7 (patch) | |
tree | 62b98a555d42dc040d36e4121d82d05aec734d35 /sys-boot/yaboot/files | |
parent | Stable on amd64 wrt bug #335430 (diff) | |
download | gentoo-2-fce240dbc87a669d1816e8bc1a34f1986d0548d7.tar.gz gentoo-2-fce240dbc87a669d1816e8bc1a34f1986d0548d7.tar.bz2 gentoo-2-fce240dbc87a669d1816e8bc1a34f1986d0548d7.zip |
Removed old versions. Added latest version, including a new ofpath.
(Portage version: 2.1.9.13/cvs/Linux x86_64)
Diffstat (limited to 'sys-boot/yaboot/files')
-rwxr-xr-x | sys-boot/yaboot/files/new-ofpath | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/sys-boot/yaboot/files/new-ofpath b/sys-boot/yaboot/files/new-ofpath new file mode 100755 index 000000000000..5e395b251a8e --- /dev/null +++ b/sys-boot/yaboot/files/new-ofpath @@ -0,0 +1,143 @@ +#!/bin/sh +############################################################################### +# Determines the Open Firmware path based on the linux device name +# +# Joseph Jezak <josejx@gentoo.org> Copyright (C) 2010 +# Rewrite of OFPath for newer kernels/scsi configurations +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +############################################################################### + +### Set this to 1 to turn on debugging messages +DEBUG=0 + +### Find the device tree +if [ ! -e /proc/device-tree ]; then + echo 1>&2 "ofpath: Cannot find the device tree!" + exit 1 +fi +DEV_TREE="/proc/device-tree" + +### Check if sys is mounted +if ! (grep -q '.* .* sysfs ' /proc/mounts 2> /dev/null) ; then + echo 1>&2 "ofpath: sysfs must be mounted for ofpath to support this system" + exit 1 +fi + +### Get the sysfs mount point +SYS="$(m=`grep '.* .* sysfs ' /proc/mounts | head -n 1` ; echo `d=${m#* };echo ${d%% *}`)" +if [ -z "$SYS" -o ! -d "$SYS" ] ; then + echo 1>&2 "ofpath: Unable to determine sysfs mountpoint" + exit 1 +fi + + +### Get the device from the user +### We dereference links to support devices like /dev/cdrom1 +DEVICE=$1 +if [ -z "$DEVICE" ]; then + echo 1>&2 "ofpath: No device specified!" + exit 1 +fi +DEVICE=$(readlink -f "$DEVICE") +DEVICE=$(basename $DEVICE) +if [ -z "$DEVICE" ] || [ ! -e "/dev/$DEVICE" ]; then + echo 1>&2 "ofpath: Invalid device: /dev/$DEVICE" + exit 1 +fi +[ "$DEBUG" = 1 ] && echo "Device is: $DEVICE" + +### Get the partition if we have it +case ${DEVICE} in + sd*) PARTITION="${DEVICE#sd?}" ;; + ### No partition for sr/sg devices + sr*|sg*) PARTITION="${DEVICE#sr?}" ;; + hd*) PARTITION="${DEVICE#hd?}" ;; + *) echo "Unknown device string."; exit 1;; +esac +if [ ! -z "$PARTITION" ] && [ "$DEBUG" = 1 ]; then + echo "Partition: $PARTITION" +fi + +### Get the disk device name +DISK_NAME="${DEVICE%%${PARTITION}}" +[ "$DEBUG" = 1 ] && echo "Disk Name: $DISK_NAME" + +### Find the devspec for the controller +DEVPATH=$(cd -P "$SYS/block/${DISK_NAME}/device" && pwd) +if [ -z "$DEVPATH" ]; then + echo "Unable to determine device path!" + exit 1 +fi +[ "$DEBUG" = 1 ] && echo "Devpath is: $DEVPATH" + +### Get the OF Path of the controller +case ${DISK_NAME} in + sd*|sg*|sr*) CONTROLLER_PATH=$(cat ${DEVPATH}/../../../devspec) ;; + hd*) CONTROLLER_PATH=$(cat ${DEVPATH}/../../devspec) ;; + *) CONTROLLER_PATH="" ;; +esac +if [ -z "$CONTROLLER_PATH" ]; then + echo "Unable to determine controller path!" + exit 1 +fi +[ "$DEBUG" = 1 ] && echo "Controller Path is: $CONTROLLER_PATH" + +### Generate the disk number and partition info +case ${DISK_NAME} in + sd*|sg*|sr*) + DISK_NO="$(cd ${DEVPATH}/../; pwd)"; + DISK_NO="${DISK_NO##*:}"; + ;; + hd*) + DISK_NO="$(cd ${DEVPATH}/../; pwd)"; + DISK_NO="${DISK_NO##*ide}"; + ;; + *) echo "Unsupported disk type!"; exit 1 ;; +esac +DISK_NO="disk@${DISK_NO}:" +[ "$DEBUG" = 1 ] && echo "Disk Number: ${DISK_NO}" + +### We need to get the controller port path (if it has one) +if [ ! -d "$DEV_TREE/$CONTROLLER_PATH/disk" ] && [ ! -d "$DEV_TREE/$CONTROLLER_PATH/$DISK_NO" ]; then + ### FIXME I don't know if every scsi device uses the host nomenclature + case ${DISK_NAME} in + sd*|sg*|sr*) + PORT="$(cd ${DEVPATH}/../../; pwd)"; + PORT="${PORT##*host}"; + CTL_PORT="${CONTROLLER_PATH##*/}"; + CTL_PORT="${CTL_PORT%%-root*}"; + PORT="$CTL_PORT@$PORT" + [ "$DEBUG" = 1 ] && echo "Port: $PORT" + ;; + *) echo "Unsupported disk type!"; exit 1 ;; + esac +fi + +### Add the partition information if required +if [ ! -z $PARTITION ]; then + DISK_NO="$DISK_NO$PARTITION" +fi + +### Build the OF Path +if [ -z "$PORT" ]; then + OFPATH="$CONTROLLER_PATH/$DISK_NO" +else + OFPATH="$CONTROLLER_PATH/${PORT}/$DISK_NO" +fi + +### Print out the ofpath +echo $OFPATH |