chiark / gitweb /
path_id: remove broken example
[elogind.git] / extras / path_id / path_id
index a9182af6e07ba0674bea9d8447d682ed57f5d58d..a7d650bf423b62b46cfd188d3b31c9814d370c53 100644 (file)
 #      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
@@ -278,15 +271,17 @@ handle_sas () {
        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
@@ -295,22 +290,32 @@ handle_sas () {
                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="$controller_dev"
        RESULT=0
 }
@@ -320,6 +325,7 @@ handle_iscsi() {
        local iscsi_session_dir
        local iscsi_session iscsi_session_path
        local iscsi_connection iscsi_connection_path
+       local iscsi_scsi_lun
        # iSCSI device
        iscsi_session_dir="${DEV%%/target*}"
        iscsi_session="${iscsi_session_dir##*/}"
@@ -366,7 +372,8 @@ handle_iscsi() {
        if [ -e "${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
 }
 
@@ -470,7 +477,7 @@ handle_device () {
                        */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]*/*)