From bfe9fa1770f245abd8fa70c56712d8da3600af93 Mon Sep 17 00:00:00 2001
From: Dan Horák <dan@danny.cz>
Date: Tue, 25 Aug 2020 15:08:07 +0000
Subject: zfcpconf: add support for automatic LUN scanning

---
 zfcpconf.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'zfcpconf.sh')

diff --git a/zfcpconf.sh b/zfcpconf.sh
index dca117e..8dc05ad 100644
--- a/zfcpconf.sh
+++ b/zfcpconf.sh
@@ -2,10 +2,12 @@
 
 # config file syntax:
 # deviceno   WWPN   FCPLUN
+# deviceno			# allowed when auto LUN scan is enabled and port is in NPIV mode
 #
 # Example:
 # 0.0.4000 0x5005076300C213e9 0x5022000000000000 
 # 0.0.4001 0x5005076300c213e9 0x5023000000000000 
+# 0.0.5000
 #
 #
 # manual setup:
@@ -42,6 +44,17 @@ if [ -f "$CONFIG" ]; then
 	   *)
 	       [ -z "$line" ] && continue
 	       set $line
+	       if [ $# -eq 1 ]; then
+		   DEVICE=${1##*0x}
+		   if [ `cat /sys/module/zfcp/parameters/allow_lun_scan` = "Y" ]; then
+		      set_online ${DEVICE}
+		      grep -q NPIV /sys/bus/ccw/devices/${DEVICE}/host*/fc_host/host*/port_type || \
+		         echo "Error: Only device ID (${DEVICE}) given, but port not in NPIV mode"
+		   else
+		      echo "Error: Only device ID (${DEVICE}) given, but LUN scan is disabled for the zfcp module"
+		   fi
+		   continue
+	       fi
 	       if [ $# -eq 5 ]; then
 		   DEVICE=$1
 		   SCSIID=$2
-- 
cgit