# 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
}
fc_tgt_lun="${fc_tgt_hcil##*:}"
fc_tgt_path="${DEV%/*}"
fc_tgt_num="${fc_tgt_path##*/}"
- fc_tgt_dev="${fc_tgt_path}/fc_transport:${fc_tgt_num}"
+ fc_tgt_dev="${fc_tgt_path}/fc_transport/${fc_tgt_num}"
if [ -e "$fc_tgt_dev/port_name" ]; then
read wwpn < $fc_tgt_dev/port_name
fi
: handle_sas $*
local DEV=$1
local cil adapter controller_dev
+ local lun
+ lun=${DEV##*:}
# SAS device
- sas_host_path="${DEV%%/port*}"
- sas_phy_path="${DEV#*/host*/}"
- sas_phy_path="${sas_phy_path%%/target*}"
- sas_phy_id="${sas_phy_path%%/*}"
- 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_id < $sas_phy_dev/phy_identifier
- fi
- if [ -z "$phy_address" ] ; then
+ sas_end_path="${DEV%%/target*}"
+ sas_host_path="${sas_end_path%%/port*}"
+ sas_phy_path="${sas_end_path#*/host*/}"
+ sas_phy_path="${sas_phy_path%%/*}"
+ sas_phy_path="${sas_host_path}/${sas_phy_path}"
+
+ sas_phy_id=255
+ for phy in $sas_phy_path/phy-*/sas_phy/phy-* ; do
+ if [ -d "$phy" ] ; then
+ read phy_id < $phy/phy_identifier
+ if [ $phy_id -lt $sas_phy_id ]; then
+ sas_phy_id=$phy_id
+ fi
+ fi
+ done
+
+ if [ $sas_phy_id -eq 255 ] ; then
: no initiator address
D=
RESULT=1
return
fi
+
+ sas_port_id="${sas_phy_path##*/port-}"
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:$phy_id"
+
+ sas_end_id="${sas_end_path##*end_device-}"
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 < $sas_end_dev/phy_identifier
fi
if [ -z "$end_address" ] ; then
- : no initiator address
+ : no end device address
D=
RESULT=1
return
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}-${sas_end_address}"
+ d="sas-phy${sas_phy_id}:${phy_port}-${sas_end_address}-lun$lun"
D="$controller_dev"
RESULT=0
}
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##*/}"
if [ -e "${iscsi_connection_path}/persistent_port" ] ; then
read iscsi_port < ${iscsi_connection_path}/persistent_port
fi
- d="ip-${iscsi_address}:${iscsi_port}-iscsi-${iscsi_tgtname}"
+ iscsi_scsi_lun="${DEV##*:}"
+ d="ip-${iscsi_address}:${iscsi_port}-iscsi-${iscsi_tgtname}-lun-${iscsi_scsi_lun}"
RESULT=0
}
full_sysfs_path="$SYSFS$DEVPATH"
case "$DEVPATH" in
/devices/*)
- # new sysfs layout
+ full_sysfs_path="${full_sysfs_path%/*}"
+ # skip parent device of the same subsystem
if [ -L $full_sysfs_path/subsystem ]; then
- full_sysfs_path="${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
- full_sysfs_path="${full_sysfs_path%/*}"
+ if [ "$subsys" = "$TYPE" ]; then
+ : skip same subsystem parent
+ full_sysfs_path="${full_sysfs_path%/*}"
fi
- cd $full_sysfs_path
fi
+ # skip subsystem directory
+ subsys="${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
- if [ -f $full_sysfs_path/range ] ; then return ; fi
+ 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
+ if [ ! -L $full_sysfs_path/device -o ! -f $full_sysfs_path/dev ]; then
return
fi
fi
- cd $full_sysfs_path/device
+ 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 "$D" in
*/host[0-9]*/[0-9]*:[0-9]*:[0-9]*:[0-9]*)
handle_scsi "$D"
;;
+ */ttyUSB*)
+ D=${D%/ttyUSB*}
+ ;;
*/usb[0-9]*/[0-9]*/*)
handle_usb "$D"
;;
;;
*)
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