path_id: support SAS devices

[elogind.git] / extras / path_id

diff --git a/extras/path_id b/extras/path_id
old mode 100755 (executable)
new mode 100644 (file)
index 73d5c83..324fe82
--- a/extras/path_id
+++ b/extras/path_id
@@ -288,6 +288,48 @@ handle_block_fc () {
        RESULT=0
 }
 
+handle_block_sas () {
+    : handle_block_sas $*
+       local DEV=$1
+       local cil adapter controller_dev
+       # SAS device
+       sas_host_path="${DEV%%/phy*}"
+       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="${sas_host_path}/${sas_phy_id}/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
+           read phy_id < $sas_phy_dev/phy_identifier
+       fi
+       if [ -z "$phy_address" ] ; then
+           : no initiator address
+           RESULT=1
+           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:${sas_rphy_id}"
+       if [ -e "$sas_rphy_dev/sas_address" ]; then
+           read rphy_address < $sas_rphy_dev/sas_address
+           read rphy_id < $sas_rphy_dev/phy_identifier
+       fi
+       if [ -z "$rphy_address" ] ; then
+           : no initiator address
+           RESULT=1
+           return
+       fi
+       sas_rphy_address="$rphy_address:$rphy_id"
+
+       controller_dev="${sas_host_path%/host[0-9]*}"
+       adapter="${controller_dev##*/}"
+       bus="pci"
+       d="$bus-$adapter"
+       d="${d}-sas-${sas_phy_address}-${sas_rphy_address}"
+       RESULT=0
+}
+
 handle_block_usb_storage () {
 : handle_block_usb_storage $*
        local DEV=$1
@@ -396,6 +438,9 @@ handle_block () {
        */rport-[0-9]*:[0-9]*-[0-9]*/*)
        handle_block_fc "$D"
        ;;
+       */phy-[0-9]*:[0-9]*/*)
+       handle_block_sas "$D"
+       ;;
        */host[0-9]*/[0-9]*:[0-9]*:[0-9]*:[0-9]*)
        # check for ieee1394 sbp2 
        if test -f $D/ieee1394_id ; then