diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index d0fb854..679e4d2 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -309,6 +309,8 @@
  */
 #define SA5_DOORBELL	0x20
 #define SA5_REQUEST_PORT_OFFSET	0x40
+#define SA5_REQUEST_PORT64_LO_OFFSET 0xC0
+#define SA5_REQUEST_PORT64_HI_OFFSET 0xC4
 #define SA5_REPLY_INTR_MASK_OFFSET	0x34
 #define SA5_REPLY_PORT_OFFSET		0x44
 #define SA5_INTR_STATUS		0x30