Index: abi/include/abi/ipc/interfaces.h
===================================================================
--- abi/include/abi/ipc/interfaces.h	(revision 3694ced7e621aa03617c9dc91da7b92f534463c5)
+++ abi/include/abi/ipc/interfaces.h	(revision 7acd787ef6db58d28e222cd14600149ac8c9ff72)
@@ -183,5 +183,7 @@
 	    FOURCC_COMPACT('v', 'b', 'd', ' ') | IFACE_EXCHANGE_SERIALIZE,
 	INTERFACE_IPC_TEST =
-	    FOURCC_COMPACT('i', 'p', 'c', 't') | IFACE_EXCHANGE_SERIALIZE
+	    FOURCC_COMPACT('i', 'p', 'c', 't') | IFACE_EXCHANGE_SERIALIZE,
+	INTERFACE_PCI =
+	    FOURCC_COMPACT('p', 'c', 'i', ' ') | IFACE_EXCHANGE_SERIALIZE
 } iface_t;