+#if EFSYS_OPT_FW_SUBVARIANT_AWARE
+/* Advertise that the driver is firmware subvariant aware */
+# if !(EFSYS_OPT_MEDFORD2)
+# error "FW_SUBVARIANT_AWARE requires MEDFORD2"
+# endif
+#endif
+
+#if EFSYS_OPT_EVB
+/* Support enterprise virtual bridging */
+# if !(EFX_OPTS_EF10())
+# error "EVB requires EF10 arch"
+# endif
+#endif /* EFSYS_OPT_EVB */
+