#define IRP_MJ_SCSI IRP_MJ_INTERNAL_DEVICE_CONTROL
+/*
+ * Minor function numbers for IRP_MJ_LOCK_CONTROL
+ */
+#define IRP_MN_LOCK 0x01
+#define IRP_MN_UNLOCK_SINGLE 0x02
+#define IRP_MN_UNLOCK_ALL 0x03
+#define IRP_MN_UNLOCK_ALL_BY_KEY 0x04
+
/*
* Minor function numbers for IRP_MJ_FILE_SYSTEM_CONTROL
*/