RPC/RDMA: add data types and new FRMR memory registration enum.

Internal RPC/RDMA structure updates in preparation for FRMR support.

Signed-off-by: Tom Talpey <talpey@netapp.com>
Acked-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

include/linux/sunrpc/xprtrdma.h

@@ -78,6 +78,7 @@ enum rpcrdma_memreg {
 	RPCRDMA_MEMWINDOWS,
 	RPCRDMA_MEMWINDOWS_ASYNC,
 	RPCRDMA_MTHCAFMR,
+	RPCRDMA_FRMR,
 	RPCRDMA_ALLPHYSICAL,
 	RPCRDMA_LAST
 };