1845 allow disable of UNMAP via stmfadm(1M).

@@ -104,10 +104,11 @@
 #define STMF_ERROR_SIZE_OUT_OF_RANGE    (STMF_STATUS_ERROR | 0x105)
 #define STMF_ERROR_LU_BUSY              (STMF_STATUS_ERROR | 0x106)
 #define STMF_ERROR_META_CREATION        (STMF_STATUS_ERROR | 0x107)
 #define STMF_ERROR_FILE_SIZE_INVALID    (STMF_STATUS_ERROR | 0x108)
 #define STMF_ERROR_WRITE_CACHE_SET      (STMF_STATUS_ERROR | 0x109)
+#define STMF_ERROR_UNMAP_SET            (STMF_STATUS_ERROR | 0x10a)
 
 /* Initiator Name Types */
 #define STMF_FC_PORT_WWN            1
 #define STMF_ISCSI_NAME             2
 

@@ -147,11 +148,12 @@
         STMF_LU_PROP_WRITE_CACHE_DISABLE,
         STMF_LU_PROP_VID,
         STMF_LU_PROP_PID,
         STMF_LU_PROP_SERIAL_NUM,
         STMF_LU_PROP_ACCESS_STATE,
-        STMF_LU_PROP_HOST_ID
+        STMF_LU_PROP_HOST_ID,
+        STMF_LU_PROP_UNMAP
 };
 
 
 /* devid code set and name types */
 #define EUI_64_TYPE     2