Merge Dustin's RAID patch

[yaboot.git] / ybin / ofpath

diff --git a/ybin/ofpath b/ybin/ofpath
index ea1a7fa81d3b7cefdfbc96ef3410f949e8689cd6..1a69a486608eef3d54fd99bd9aab887f1ad68235 100755 (executable)
--- a/ybin/ofpath
+++ b/ybin/ofpath
@@ -3,7 +3,7 @@
 ###############################################################################
 ##
 ## 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:
 ##
@@ -27,7 +27,7 @@
 
 PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
 PRG="${0##*/}"
-VERSION=1.0.3-rc4
+VERSION=1.0.7
 DEBUG=0
 export LC_COLLATE=C
 
@@ -39,7 +39,7 @@ echo \
 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."
@@ -187,6 +187,17 @@ scsiinfo()
 {
     ## 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/$DEVNODE: Device not configured"
        return 1
     fi
@@ -286,6 +297,12 @@ scsi_ofpath()
            DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
            echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
            ;;
+       ata_k2|sata_svw)
+           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: $SCSI_DRIVER is not supported"
            return 1
@@ -297,7 +314,7 @@ scsi_ofpath()
 ide_ofpath()
 {
     if [ ! -L "/proc/ide/$DEVNODE" ] ; then
-       echo 2>&1 "$PRG: /dev/$DEVNODE: Device not configured"
+       echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
        return 1
     fi
 
@@ -306,13 +323,35 @@ ide_ofpath()
        echo 1>&2 "$PRG: BUG: IDEBUS == NULL"
        return 1
     fi
-    local OF1275IDE="/proc/ide/$IDEBUS/devspec"
+
+    case "$(uname -r)" in
+       2.5.*|2.6.0*|2.6.1|2.6.1-*|2.6.2|2.6.2-*)
+           echo 1>&2 "$PRG: Linux kernel `uname -r` is not supported"
+           return 1
+           ;;
+       2.6.*|2.7.*)
+           if ! (grep -q '.* .* sysfs ' /proc/mounts 2> /dev/null) ; then
+               echo 1>&2 "$PRG: sysfs must be mounted for ofpath to support this system"
+               return 1
+           fi
+           local SYS="$(m=`grep '.* .* sysfs ' /proc/mounts | head -n 1` ; echo `d=${m#* };echo ${d%% *}`)"
+           if [ -z "$SYS" -o ! -d "$SYS" ] ; then
+               echo 1>&2 "$PRG: Unable to determine sysfs mountpoint"
+               return 1
+           fi
+           local OF1275IDE="${SYS}/block/${DEVNODE}/device/../../devspec"
+           ;;
+       *)
+           local OF1275IDE="/proc/ide/$IDEBUS/devspec"
+           ;;
+    esac
 
     if [ ! -f "$OF1275IDE" ] ; then
        case "$(cat /proc/device-tree/model)" in
-           "PowerMac3,6")
+           PowerMac3*|PowerMac4*|PowerMac5*|PowerMac6*|PowerMac7*|RackMac*)
                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"
@@ -345,7 +384,7 @@ ide_ofpath()
        fi
 
        case "$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)" in
-           ata)
+           ide|ata)
                local MASTER="/disk@0"
                local SLAVE="/disk@1"
                ;;
@@ -354,11 +393,11 @@ ide_ofpath()
                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/${IDEBUS}/channel) * 2 + 0)),0"
-               local SLAVE="/$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 1)),0"
+               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${DEVSPEC}/device_type 2> /dev/null)\""
+               echo 1>&2 "$PRG: Unsupported IDE device type: \"$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)\""
                return 1
                ;;
        esac
@@ -850,7 +889,7 @@ if [ `uname -s` != Linux ] ; then
 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