diff --git a/sys/cam/scsi/scsi_all.h b/sys/cam/scsi/scsi_all.h
index 029b2ccd136..d6b6e81c871 100644
--- a/sys/cam/scsi/scsi_all.h
+++ b/sys/cam/scsi/scsi_all.h
@@ -170,6 +170,8 @@ struct scsi_mode_sense_6
 #define	SMS_PAGE_CODE 			0x3F
 #define SMS_VENDOR_SPECIFIC_PAGE	0x00
 #define SMS_DISCONNECT_RECONNECT_PAGE	0x02
+#define SMS_FORMAT_DEVICE_PAGE		0x03
+#define SMS_GEOMETRY_PAGE		0x04
 #define SMS_CACHE_PAGE			0x08
 #define SMS_PERIPHERAL_DEVICE_PAGE	0x09
 #define SMS_CONTROL_MODE_PAGE		0x0A