[infiniband] Include SRP by default, but only for Infiniband builds

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/config/config.c

@@ -135,9 +135,6 @@ REQUIRE_OBJECT ( slam );
 #ifdef SANBOOT_PROTO_ISCSI
 REQUIRE_OBJECT ( iscsiboot );
 #endif
-#ifdef SANBOOT_PROTO_IB_SRP
-REQUIRE_OBJECT ( ib_srpboot );
-#endif
 
 /*
  * Drag in all requested resolvers

src/config/config_infiniband.c

@@ -0,0 +1,23 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2, or (at
+ * your option) any later version.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <config/general.h>
+
+/** @file
+ *
+ * Infiniband configuration options
+ *
+ */
+
+/*
+ * Drag in Infiniband-specific protocols
+ */
+#ifdef SANBOOT_PROTO_IB_SRP
+REQUIRE_OBJECT ( ib_srpboot );
+#endif

src/config/defaults/pcbios.h

@@ -31,5 +31,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 
 #define	SANBOOT_PROTO_ISCSI	/* iSCSI protocol */
 #define	SANBOOT_PROTO_AOE	/* AoE protocol */
+#define	SANBOOT_PROTO_IB_SRP	/* Infiniband SCSI RDMA protocol */
 
 #endif /* CONFIG_DEFAULTS_PCBIOS_H */