1 files changed, 40 insertions, 0 deletions
diff --git a/modules.d/95lunmask/parse-lunmask.sh b/modules.d/95lunmask/parse-lunmask.sh
new file mode 100755
index 0000000..5e05e5b
--- /dev/null
+++ b/modules.d/95lunmask/parse-lunmask.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+create_udev_rule() {
+    local transport="$1"
+    local tgtid="$2"
+    local lun="$3"
+    local _rule=/etc/udev/rules.d/51-"${transport}"-lunmask-"${tgtid}".rules
+
+    [ -e "${_rule}" ] && return 0
+
+    if [ ! -f "$_rule" ]; then
+        if [ "$transport" = "fc" ]; then
+            cat > "$_rule" << EOF
+ACTION=="add", SUBSYSTEM=="fc_remote_ports", ATTR{port_name}=="$tgtid", PROGRAM="fc_transport_scan_lun.sh $lun"
+EOF
+        elif [ "$transport" = "sas" ]; then
+            cat > "$_rule" << EOF
+ACTION=="add", SUBSYSTEM=="sas_device", ATTR{sas_address}=="$tgtid", PROGRAM="sas_transport_scan_lun.sh $lun"
+EOF
+        fi
+    fi
+}
+
+for lunmask_arg in $(getargs rd.lunmask); do
+    (
+        local OLDIFS="$IFS"
+        local IFS=","
+        # shellcheck disable=SC2086
+        set $lunmask_arg
+        IFS="$OLDIFS"
+        if [ -d /sys/module/scsi_mod ]; then
+            printf "manual" > /sys/module/scsi_mod/parameters/scan
+        elif [ ! -f /etc/modprobe.d/95lunmask.conf ]; then
+            echo "options scsi_mod scan=manual" > /etc/modprobe.d/95lunmask.conf
+        fi
+        create_udev_rule "$1" "$2" "$3"
+    )
+done