# 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 version 2 of the License.
-#
-# to be called from a udev rule to return the name for a symlink
-# DEVPATH=<devpath>; path_id
-# path_id <devpath>
-
-# examples for all block devices on a system:
-# for i in `find /sys/class/block`; do DEVPATH="`echo $i | sed -e 's@^/sys\|/dev@@g'`"; path_id; done
SYSFS=/sys
RESULT=1
DEV=${PWD}
pci_id=${DEV##*/}
host_dev_path=$DEV
+
+ # cciss devices don't have a separate sysfs node
+ for blk_link in block*; do
+ if [ -L "$blk_link" ]; then
+ case "$blk_link" in
+ *cciss*)
+ d=cciss-${blk_link#*cciss\!}
+ ;;
+ esac
+ fi
+ done
while [ ! -z "$host_dev_path" ] ; do
case "$host_dev_path" in
*/pci[0-9]*)
;;
esac
done
- d="pci-$pci_id-$d"
+ if [ "$d" ]; then
+ d="pci-$pci_id-$d"
+ else
+ d="pci-$pci_id"
+ fi
D="$host_dev_path"
RESULT=0
}
}
handle_firewire () {
- :handle_firewire $*
+ : handle_firewire $*
local DEV=$1
if [ -f "$D/ieee1394_id" ] ; then
read ieee1394_id < $D/ieee1394_id
fi
if [ -z "$wwpn" ] ; then
: no WWPN
+ D=
RESULT=1
return
fi
local DEV=$1
local cil adapter controller_dev
# SAS device
- sas_host_path="${DEV%%/phy*}"
+ sas_host_path="${DEV%%/port*}"
sas_phy_path="${DEV#*/host*/}"
sas_phy_path="${sas_phy_path%%/target*}"
sas_phy_id="${sas_phy_path%%/*}"
- sas_rphy_id="${sas_phy_path##*/}"
- sas_phy_dev="/sys/class/sas_phy/${sas_phy_id}"
+ sas_phy_id="${sas_phy_id##*port-}"
+ sas_port_id="${sas_phy_path%%/end_device*}"
+ sas_port_id="${sas_port_id##*port-}"
+ sas_end_id="${sas_phy_path##*end_device-}"
+ sas_phy_dev="/sys/class/sas_phy/phy-${sas_phy_id}"
if [ -e "$sas_phy_dev/sas_address" ]; then
read phy_address < $sas_phy_dev/sas_address
- read phy_port < $sas_phy_dev/port_identifier
read phy_id < $sas_phy_dev/phy_identifier
fi
if [ -z "$phy_address" ] ; then
: no initiator address
+ D=
+ RESULT=1
+ return
+ fi
+ sas_port_dev="/sys/class/sas_port/port-${sas_port_id}"
+ if [ -e "$sas_port_dev/num_phys" ] ; then
+ read phy_port < $sas_port_dev/num_phys
+ fi
+ if [ -z "$phy_port" ] ; then
+ : no initiator address
+ D=
RESULT=1
return
fi
sas_phy_address="$phy_address:$phy_port:$phy_id"
- sas_rphy_dev="/sys/class/sas_device/${sas_rphy_id}"
- if [ -e "$sas_rphy_dev/sas_address" ]; then
- read rphy_address < $sas_rphy_dev/sas_address
- read rphy_id < $sas_rphy_dev/phy_identifier
+ sas_end_dev="/sys/class/sas_device/end_device-${sas_end_id}"
+ if [ -e "$sas_end_dev/sas_address" ]; then
+ read end_address < $sas_end_dev/sas_address
+ read end_id < $sas_end_dev/phy_identifier
fi
- if [ -z "$rphy_address" ] ; then
+ if [ -z "$end_address" ] ; then
: no initiator address
+ D=
RESULT=1
return
fi
- sas_rphy_address="$rphy_address:$rphy_id"
+ sas_end_address="$end_address:$end_id"
controller_dev="${sas_host_path%/host[0-9]*}"
# SAS devices are always endpoints
- d="sas-${sas_phy_address}-${sas_rphy_address}"
+ d="sas-${sas_phy_address}-${sas_end_address}"
D="$controller_dev"
RESULT=0
}
+handle_iscsi() {
+ local DEV=$1
+ local iscsi_session_dir
+ local iscsi_session iscsi_session_path
+ local iscsi_connection iscsi_connection_path
+ local iscsi_scsi_lun
+ # iSCSI device
+ iscsi_session_dir="${DEV%%/target*}"
+ iscsi_session="${iscsi_session_dir##*/}"
+ iscsi_session_path=/sys/class/iscsi_session/${iscsi_session}
+ if [ ! -d "$iscsi_session_path" ] ; then
+ : no iSCSI session path
+ RESULT=1
+ return
+ fi
+ # Currently we're not doing MC/S
+ for conn in ${iscsi_session_dir}/connection* ; do
+ iscsi_conn_num=${conn##*:}
+ if [ "$iscsi_conn_num" = '0' ] ; then
+ iscsi_connection=$(basename $conn)
+ fi
+ done
+ if [ -z "$iscsi_connection" ] ; then
+ : no iSCSI connection found
+ RESULT=1
+ return
+ fi
+ iscsi_connection_path=/sys/class/iscsi_connection/${iscsi_connection}
+ if [ ! -d "$iscsi_connection_path" ] ; then
+ : no iSCSI connection path
+ RESULT=1
+ return
+ fi
+ if [ -e "${iscsi_session_path}/targetname" ]; then
+ read iscsi_tgtname < ${iscsi_session_path}/targetname
+ fi
+ if [ -z "$iscsi_tgtname" ] ; then
+ : No iSCSI Targetname
+ RESULT=1
+ return
+ fi
+ if [ -e "${iscsi_connection_path}/persistent_address" ] ; then
+ read iscsi_address < ${iscsi_connection_path}/persistent_address
+ fi
+ if [ -z "$iscsi_address" ] ; then
+ : No iSCSI Target address
+ RESULT=1
+ return
+ fi
+ if [ -e "${iscsi_connection_path}/persistent_port" ] ; then
+ read iscsi_port < ${iscsi_connection_path}/persistent_port
+ fi
+ iscsi_scsi_lun="${DEV##*:}"
+ d="ip-${iscsi_address}:${iscsi_port}-iscsi-${iscsi_tgtname}-lun-${iscsi_scsi_lun}"
+ RESULT=0
+}
+
handle_usb () {
: handle_usb $*
local DEV=$1
handle_device () {
full_sysfs_path="$SYSFS$DEVPATH"
- if [ -L $full_sysfs_path/subsystem ]; then
- # new sysfs block layout
- full_sysfs_path="${full_sysfs_path%/*}"
- cd "$full_sysfs_path/subsystem";
- subsys="`pwd -P`"
- cd "$OPWD"
- subsys="${subsys##*/}"
- if [ "$subsys" == "block" ]; then
- # parent is "block", it's a partition, move one up
+ case "$DEVPATH" in
+ /devices/*)
full_sysfs_path="${full_sysfs_path%/*}"
- fi
- cd $full_sysfs_path
- else
- # old sysfs block layout
- if [ ! -L $full_sysfs_path/device ] ; then
- if [ -f $full_sysfs_path/range ] ; then return ; fi
- full_sysfs_path="${full_sysfs_path%/*}"
- : full_sysfs_path "$full_sysfs_path"
- if [ ! -L $full_sysfs_path/device -o ! -f $full_sysfs_path/dev ] ; then
- return
+ # skip parent device of the same subsystem
+ if [ -L $full_sysfs_path/subsystem ]; then
+ cd "$full_sysfs_path/subsystem";
+ subsys="`pwd -P`"
+ cd "$OPWD"
+ subsys="${subsys##*/}"
+ if [ "$subsys" = "$TYPE" ]; then
+ : skip same subsystem parent
+ full_sysfs_path="${full_sysfs_path%/*}"
+ fi
fi
- fi
- cd $full_sysfs_path/device
- fi
+ # skip subsystem directory
+ subsys="${full_sysfs_path##*/}"
+ if [ "$subsys" = "$TYPE" ]; then
+ : skip subsystem directory
+ full_sysfs_path="${full_sysfs_path%/*}"
+ fi
+ cd $full_sysfs_path
+ ;;
+ *)
+ # old sysfs layout
+ if [ ! -L $full_sysfs_path/device ]; then
+ full_sysfs_path="${full_sysfs_path%/*}"
+ : full_sysfs_path "$full_sysfs_path"
+ if [ ! -L $full_sysfs_path/device -o ! -f $full_sysfs_path/dev ]; then
+ return
+ fi
+ fi
+ if [ -L $full_sysfs_path/device/device ]; then
+ cd $full_sysfs_path/device/device
+ else
+ cd $full_sysfs_path/device
+ fi
+ ;;
+ esac
full_sysfs_device_path="`pwd -P`"
cd "$OPWD"
+
D=$full_sysfs_device_path
while [ ! -z "$D" ] ; do
case "$D" in
*/rport-[0-9]*:[0-9]*-[0-9]*/*)
handle_fc "$D"
;;
- */phy-[0-9]*:[0-9]*/*)
+ */end_device-[0-9]*:[0-9]*:[0-9]*/*)
handle_sas "$D"
;;
*/fw-host[0-9]*/*)
handle_firewire "$D"
;;
+ */session[0-9]*/*)
+ handle_iscsi "$D"
+ D=
+ ;;
*/host[0-9]*/[0-9]*:[0-9]*:[0-9]*:[0-9]*)
handle_scsi "$D"
;;
;;
esac
done
- if [ "$TYPE" == "scsi_tape" ] ; then
+ if [ "$TYPE" = "scsi_tape" ] ; then
devname=${full_sysfs_path##*/}
rewind="${devname%%st*}"
mode="${devname##*st}"
;;
*)
mode=""
- ;;
+ ;;
esac
if [ "$d" ]; then
d="$d-${rewind}st${mode}"
fi
}
-case "$TYPE" in
- block)
- handle_device
- echo "ID_PATH=$d"
- ;;
- scsi_tape)
- handle_device
- echo "ID_PATH=$d"
- ;;
- input)
- handle_device
- echo "ID_PATH=$d"
- ;;
- *)
- RESULT=1
- ;;
-esac
-
-exit $RESULT
+handle_device
+if [ -z "$d" ]; then
+ exit 1
+fi
+echo "ID_PATH=$d"
+exit 0
~ianmdlvl / elogind.git / blobdiff