path_id: add support for iSCSI devices

[elogind.git] / extras / path_id / path_id

diff --git a/extras/path_id/path_id b/extras/path_id/path_id
old mode 100755 (executable)
new mode 100644 (file)
index 0274be3..a6dfbf1
--- a/extras/path_id/path_id
+++ b/extras/path_id/path_id
@@ -96,6 +96,56 @@ handle_pci () {
        RESULT=0
 }
 
+handle_platform () {
+       local DEV=$1
+       cd -P $1
+       DEV=${PWD}
+       platform_id=${DEV##*/}
+       host_dev_path=$DEV
+       while [ ! -z "$host_dev_path" ] ; do
+               case "$host_dev_path" in
+                       */platform*)
+                               host_dev_path=${host_dev_path%/*}
+                               ;;
+                       *)
+                               break
+                               ;;
+               esac
+       done
+       if [ "$d" ]; then
+               d="platform-$platform_id-$d"
+       else
+               d="platform-$platform_id"
+       fi
+       D="$host_dev_path"
+       RESULT=0
+}
+
+handle_serio () {
+       local DEV=$1
+       cd -P $1
+       DEV=${PWD}
+       serio_id=${DEV##*/serio}
+       host_dev_path=$DEV
+       while [ ! -z "$host_dev_path" ] ; do
+               case "$host_dev_path" in
+                       */serio*)
+                               host_dev_path=${host_dev_path%/*}
+                               ;;
+                       *)
+                               break
+                               ;;
+               esac
+       done
+       if [ "$d" ]; then
+               d="serio-$serio_id-$d"
+       else
+               d="serio-$serio_id"
+       fi
+       D="$host_dev_path"
+       RESULT=0
+}
+
 handle_ide () {
        : handle_ide $*
        local DEV=$1
@@ -232,7 +282,7 @@ handle_sas () {
        sas_phy_path="${sas_phy_path%%/target*}"
        sas_phy_id="${sas_phy_path%%/*}"
        sas_rphy_id="${sas_phy_path##*/}"
-       sas_phy_dev="${sas_host_path}/${sas_phy_id}/sas_phy:${sas_phy_id}"
+       sas_phy_dev="/sys/class/sas_phy/${sas_phy_id}"
        if [ -e "$sas_phy_dev/sas_address" ]; then
                read phy_address < $sas_phy_dev/sas_address
                read phy_port < $sas_phy_dev/port_identifier
@@ -244,7 +294,7 @@ handle_sas () {
                return
        fi
        sas_phy_address="$phy_address:$phy_port:$phy_id"
-       sas_rphy_dev="${sas_host_path}/${sas_phy_id}/${sas_rphy_id}/sas_rphy:${sas_rphy_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
@@ -262,6 +312,61 @@ handle_sas () {
        RESULT=0
 }
 
+handle_iscsi() {
+       local DEV=$1
+       local iscsi_session_dir
+       local iscsi_session iscsi_session_path
+       local iscsi_connection iscsi_connection_path
+       # iSCSI device
+       iscsi_session_dir="${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 < ${iscsi_connection_path}/persistent_port
+       fi
+       d="ip-${iscsi_address}:${iscsi_port}-iscsi-${iscsi_tgtname}"
+       RESULT=0
+}
+
 handle_usb () {
 : handle_usb $*
        local DEV=$1
@@ -306,7 +411,7 @@ handle_device () {
                subsys="`pwd -P`"
                cd "$OPWD"
                subsys="${subsys##*/}"
-               if [ "$subsys" == "block" ]; then
+               if [ "$subsys" = "block" ]; then
                        # parent is "block", it's a partition, move one up
                        full_sysfs_path="${full_sysfs_path%/*}"
                fi
@@ -363,6 +468,10 @@ handle_device () {
                        */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 "$D"
                                ;;
@@ -372,6 +481,12 @@ handle_device () {
                        */pci[0-9]*:[0-9]*)
                                handle_pci "$D"
                                ;;
+                       */serio[0-9]*)
+                               handle_serio "$D"
+                               ;;
+                       */platform/*)
+                               handle_platform "$D"
+                               ;;
                        */devices)
                                D=
                                ;;
@@ -382,7 +497,7 @@ handle_device () {
                                ;;
                esac
        done
-       if [ "$TYPE" == "scsi_tape" ] ; then
+       if [ "$TYPE" = "scsi_tape" ] ; then
                devname=${full_sysfs_path##*/}
                rewind="${devname%%st*}"
                mode="${devname##*st}"