+/* status subtypes for link down */
+#define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK 0x00000000
+#define FSF_STATUS_READ_SUB_FDISC_FAILED 0x00000001
+#define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE 0x00000002
+
+/* status subtypes for unsolicited status notification lost */
+#define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001
+#define FSF_STATUS_READ_SUB_SENSE_DATA 0x00000002
+#define FSF_STATUS_READ_SUB_LINK_STATUS 0x00000004
+#define FSF_STATUS_READ_SUB_PORT_CLOSED 0x00000008
+#define FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD 0x00000010
+#define FSF_STATUS_READ_SUB_ACT_UPDATED 0x00000020
+#define FSF_STATUS_READ_SUB_ACT_HARDENED 0x00000040
+#define FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT 0x00000080
+