325 lines
10 KiB
Diff
325 lines
10 KiB
Diff
Description: Get scsi, sata, and firewire drive info from sysfs
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as legacy /proc/scsi interface does not exist anymore.
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Added support for pata-macio on 2011-08-04.
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Last-Update: 2011-08-04
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Bug-Debian: http://bugs.debian.org/608384
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Bug-Debian: http://bugs.debian.org/572869
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Bug-Debian: http://bugs.debian.org/377097
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Bug-Debian: http://bugs.debian.org/342833
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Bug-Debian: http://bugs.debian.org/289201
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Author: Milan Kupcevic <milan@physics.harvard.edu>
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Forwarded: http://patchwork.ozlabs.org/patch/108566/
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--- a/ybin/ofpath
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+++ b/ybin/ofpath
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@@ -3,6 +3,9 @@
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###############################################################################
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##
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## ofpath: determine OpenFirmware path from unix device node
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+##
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+## Copyright (C) 2010, 2011 Milan Kupcevic
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+##
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## Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
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##
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## Portions based on show_of_path.sh:
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@@ -27,7 +30,7 @@
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PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"
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PRG="${0##*/}"
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-VERSION=1.0.7
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+VERSION=1.0.7+debian2
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DEBUG=0
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export LC_COLLATE=C
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@@ -36,9 +39,10 @@
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{
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echo \
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"$PRG $VERSION
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-Written by Ethan Benson
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+Written by Ethan Benson, portions rewritten by Milan Kupcevic
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Portions based on show_of_path.sh written by Olaf Hering
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+Copyright (C) 2010, 2011 Milan Kupcevic
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Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
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Portions Copyright (C) 2000 Olaf Hering
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This is free software; see the source for copying conditions. There is NO
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@@ -181,158 +185,125 @@
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return 0
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}
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+# read OpenFirmware device path from its corresponding devspec
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+find_of_path()
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+{
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+ [ -z "$1" ] && return
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+ [ -f "$1/devspec" ] && {
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+ OF_PATH="`cat $1/devspec`"
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+ SYS_PATH="$1"
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+ return
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+ }
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+ find_of_path "${1%/*}"
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+}
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+
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## this finds information we need on both newworld and oldworld macs.
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## mainly what scsi host a disk is attached to.
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scsiinfo()
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{
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- ## see if system has scsi at all
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- if [ ! -f /proc/scsi/scsi ] ; then
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- local kver="$(uname -r)"
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- case "$kver" in
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- 2.5.*|2.6.*)
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- if [ -d /sys/bus/scsi/devices -a \
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- -n "$(ls /sys/bus/scsi/devices 2>/dev/null)" ] ; then
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- echo 1>&2 "$PRG: /proc/scsi/scsi does not exist"
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- echo 1>&2 "$PRG: Make sure you compiled your kernel with CONFIG_SCSI_PROC_FS=y"
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- return 1
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- fi
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- ;;
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- esac
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- echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
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- return 1
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- fi
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-
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- ## first we have to figure out the SCSI ID, have to do that
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- ## anyway [to] find the attached scsi disks = "Direct-Access" and
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- ## stop at sda=1 sdb=2 or whatever count in 3 lines steps
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-
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- ## get last letter of device node, ie sda -> a
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- SUBNODE=${DEVNODE##*sd}
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-
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- ## turn SUBNODE above into a number starting at 1, ie a -> 1
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- SUBDEV="$(smalltr $SUBNODE)"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: SUBNODE=$SUBNODE SUBDEV=$SUBDEV"
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-
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- DEVCOUNT=0
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-
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- ## copy scsi file into a variable removing "Attached Devices"
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- ## which is the first line. this avoids a lot of
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- ## [incmopatible] crap later, and improves readability.
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-
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- ## find number of lines once and recycle that number, to save
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- ## some time (linecount is a bit slow). subtract one line
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- ## to scrap Attached Devices:
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-
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- SCSILINES="$(($(linecount /proc/scsi/scsi) - 1))"
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-
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- if [ "$SUBDEV" -gt "$(cat /proc/scsi/scsi | grep Direct-Access | linecount)" ] ; then
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- echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
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- return 1
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- fi
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-
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- PROCSCSI="$(cat /proc/scsi/scsi | tail -n $SCSILINES)"
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-
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- for i in $(smallseq $(($SCSILINES / 3))) ; do
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-
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- ## put every scsi device into one single line
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- DEVINFO="$(echo "$PROCSCSI" | head -n $(($i * 3)) | tail -n 3)"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVINFO=$DEVINFO"
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-
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- ## cut the type field, expect "Direct-Access" later.
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- DEVTYPE="$(v=$(echo ${DEVINFO##*Type: }) ; echo ${v%% *})"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVTYPE=$DEVTYPE"
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-
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- ## get the device id.
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- DEVID="$(v=$(echo ${DEVINFO##*Id: }) ; n=$(echo ${v%% *}) ; echo ${n#*0})"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVID=$DEVID"
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-
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- ## get the scsi host id.
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- DEVHOST="$(v=$(echo ${DEVINFO##*Host: scsi}) ; echo ${v%% *})"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVHOST=$DEVHOST"
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-
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- if [ "$DEVTYPE" = "Direct-Access" ] || [ "$DEVTYPE" = "Direct-Access-RBC" ] ; then
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- DEVCOUNT="$(($DEVCOUNT + 1))"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVCOUNT=$DEVCOUNT"
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- if [ "$SUBDEV" = "$DEVCOUNT" ] ; then
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- DEVICE_HOST=$DEVHOST
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- DEVICE_ID=$DEVID
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVICE_HOST=$DEVICE_HOST"
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- break
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- fi
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- fi
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- done
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-
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- ## figure out what the scsi driver is, it is /proc/scsi/dirname.
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: DEVICE_HOST=$DEVICE_HOST"
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- SCSI_DRIVER="$(x=`ls /proc/scsi/*/$DEVICE_HOST 2>/dev/null | cat` ; y=`echo ${x##*proc/scsi/}` ; echo ${y%%/*})"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: SCSI_DRIVER=$SCSI_DRIVER"
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-
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- ## figure out which host we found.
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- SCSI_HOSTNUMBER="$(v=`ls /proc/scsi/$SCSI_DRIVER/* 2>/dev/null | cat | grep -n "$DEVICE_HOST\>"` ; echo ${v%%:*})"
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- [ "$DEBUG" = 1 ] && echo 1>&2 "$PRG: DEBUG: SCSI_HOSTNUMBER=$SCSI_HOSTNUMBER"
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+ SYS_DEVICE="`readlink -f /sys/block/$DEVNODE/device`"
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+ [ -e "$SYS_DEVICE" ] && {
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+
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+ SCSI_DEVICE=${SYS_DEVICE##*/}
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+ HOST_ID=${SCSI_DEVICE%%:*}
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+ BUS_ID=`T=${SCSI_DEVICE#*:}; echo ${T%%:*}`
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+ DEVICE_ID=`T=${SCSI_DEVICE#*:*:}; echo ${T%%:*}`
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+ LUN_ID=${SCSI_DEVICE##*:}
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+
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+ OF_PATH=;find_of_path "$SYS_DEVICE"
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+
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+ SCSI_DRIVER=`cat /sys/class/scsi_host/host$HOST_ID/proc_name 2>/dev/null`
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+
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+ SCSI_NAME=`cat /proc/device-tree$OF_PATH/name 2>/dev/null`
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+
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+ IEEE1394_ID=`cat /sys/block/$DEVNODE/device/ieee1394_id 2>/dev/null`
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+ IEEE1394_ID=${IEEE1394_ID%%:*}
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+
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+ PLUG_ID=$(ls -dv $SYS_PATH/host* 2>/dev/null | grep -n "/host$HOST_ID$")
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+ PLUG_ID=$((${PLUG_ID%%:*}-1))
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+
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+ PART=${PARTITION:+:$PARTITION}
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+
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+ [ "$LUN_ID" != "0" ] && LUNX=`printf ",%x" $LUN_ID`
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+
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+ [ "$DEBUG" = "1" ] && {
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+ echo SYS_DEVICE=$SYS_DEVICE
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+ echo SCSI_DEVICE=$SCSI_DEVICE
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+ echo HOST_ID=$HOST_ID
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+ echo BUS_ID=$BUS_ID
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+ echo DEVICE_ID=$DEVICE_ID
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+ echo LUN_ID=$LUN_ID
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+ echo PLUG_ID=$PLUG_ID
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+ echo IEEE1394_ID=$IEEE1394_ID
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+ echo SCSI_NAME=$SCSI_NAME
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+ echo SCSI_DRIVER=$SCSI_DRIVER
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+ echo SYS_PATH=$SYS_PATH
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+ echo OF_PATH=$OF_PATH
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+ echo PART=$PART
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+ echo LUNX=$LUNX
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+ }
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+
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+ SCSI_DRIVER=${SCSI_DRIVER:?}
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+
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+ [ -z "$OF_PATH" ] && {
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+ echo 1>&2 "Cannot find $DEVNODE among OpenFirmware registered devices"
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+
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+ exit 1
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+ }
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+
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return 0
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+ }
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+
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+ echo 1>&2 "Link /sys/block/$DEVNODE/device does not exist"
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+
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+ exit 1
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}
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-## generic function that can find OF device paths for scsi devices,
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+## add OF device node to the host OF path,
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## must be run after scsiinfo().
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scsi_ofpath()
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{
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- case "$SCSI_DRIVER" in
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- aic7xxx)
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- HOST_LIST="$(for i in `find /proc/device-tree -name compatible` ; do
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- lgrep "$i" "^ADPT" "^pci900[45]" "^pciclass,01000" ; done)"
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- DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
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- echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
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- ;;
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- sym53c8xx)
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- HOST_LIST="$(for i in `find /proc/device-tree -name compatible` ; do
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- lgrep "$i" "^Symbios" "^pci1000" "^pciclass,01000" ; done)"
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- DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
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- echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
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- ;;
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- mesh)
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- HOST_LIST="$(for i in `find /proc/device-tree -name compatible` ; do
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- lgrep "$i" "mesh" ; done)"
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- DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
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- echo "${DEVICE_PATH##*device-tree}/@$DEVICE_ID:$PARTITION"
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- ;;
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- ata_k2|sata_svw)
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- #Not all G5 device trees have a compatible "k2-sata" node
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- #per channel use parent
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- HOST_LIST="$(for i in `find /proc/device-tree -name compatible ` ; do
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- lgrep "$i" "k2-s-ata" ; done | sort)"
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- DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
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- K2_DEVICE_ID=0
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- while [ "$DEVICE_PATH" = "" ] ; do
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- SCSI_HOSTNUMBER=`expr $SCSI_HOSTNUMBER - 1`
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- let "K2_DEVICE_ID += 1"
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- DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
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- done
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- echo "${DEVICE_PATH##*device-tree}/k2-sata@$K2_DEVICE_ID/disk@0:$PARTITION"
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- ;;
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- usb-storage)
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- HOST_LIST="$(for i in `find /proc/device-tree -name name | grep usb` ; do
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- lgrep "$i" "disk" ; done)"
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- DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
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- echo "${DEVICE_PATH##*device-tree}:$PARTITION"
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- ;;
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- sbp2|"")
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- # sbp-2 driver may not have a dir in /proc/scsi
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- HOST_LIST="$(for i in `find /proc/device-tree -name name` ; do
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- lgrep "$i" "sbp-2" ; done)"
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- if [ "$SCSI_HOSTNUMBER" = "" ] ; then
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- SCSI_HOSTNUMBER=1
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- fi
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- DEVICE_PATH="$(printhost $SCSI_HOSTNUMBER $HOST_LIST)"
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- echo "${DEVICE_PATH##*device-tree}/disk@0:$PARTITION"
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- ;;
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- *)
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- echo 1>&2 "$PRG: Driver: $SCSI_DRIVER is not supported"
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- return 1
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- ;;
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+ if [ -d "/proc/device-tree$OF_PATH/sas" ] ; then
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+
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+ SAS_ID=$(( ($BUS_ID << 16) | ($DEVICE_ID << 8) | $LUN_ID))
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+ printf "%s/sas/disk@%x%s\n" $OF_PATH $SAS_ID $LUNX$PART
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+
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+ elif [ -d "/proc/device-tree$OF_PATH/scsi@`printf %x $BUS_ID`" ] ; then
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+
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+ printf "%s/scsi@%x/@%x%s\n" $OF_PATH $BUS_ID $DEVICE_ID $LUNX$PART
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+
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+ else
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+
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+ case "$SCSI_DRIVER-$SCSI_NAME" in
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+ aic7xxx-*|sym53c8xx-*|mesh-*|*-scsi)
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+ printf "%s/@%x%s\n" $OF_PATH $DEVICE_ID $LUNX$PART
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+ ;;
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+ sata_sil-*|sata_vsc-*)
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+ printf "%s/@%x%s\n" $OF_PATH $(($PLUG_ID * 2)) $PART
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+ ;;
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+ sata_svw-*|*-pci-ata)
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+ printf "%s/@%x/@%x%s\n" $OF_PATH $PLUG_ID $DEVICE_ID $PART
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+ ;;
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+ pata_macio-*)
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+ printf "%s/@%x%s\n" $OF_PATH $DEVICE_ID $PART
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+ ;;
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+ sbp2-*)
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+ IEEE1394_ID=${IEEE1394_ID:?}
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+ printf "%s/node@%s/sbp-2/@%x%s\n" $OF_PATH $IEEE1394_ID $DEVICE_ID $PART
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+ ;;
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+ ipr-obsidian)
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+ printf "%s/@%x,%x%s\n" $OF_PATH $BUS_ID $DEVICE_ID $LUNX$PART
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+ ;;
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+ *)
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+ echo 1>&2 "${PRG}: ${SCSI_NAME} (${SCSI_DRIVER}) is not supported"
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+ return 1
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+ ;;
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esac
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- return 0
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+
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+ fi
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+
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+ return 0
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}
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ide_ofpath()
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@@ -432,11 +403,11 @@
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case "$DEVNODE" in
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hda|hdc|hde|hdg|hdi|hdk|hdm|hdo)
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- echo "${DEVSPEC}${MASTER}:$PARTITION"
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+ echo "${DEVSPEC}${MASTER}${PARTITION:+:${PARTITION}}"
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return 0
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;;
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hdb|hdd|hdf|hdh|hdj|hdl|hdn|hdp)
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- echo "${DEVSPEC}${SLAVE}:$PARTITION"
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+ echo "${DEVSPEC}${SLAVE}${PARTITION:+:${PARTITION}}"
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return 0
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;;
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*)
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