IB/hfi1: Add a function to build TID RDMA WRITE response

This patch adds the function to build TID RDMA WRITE response. The
main role of the TID RDMA WRITE RESP packet is to send TID entries
to the requester so that they can be used to encode TID RDMA WRITE
DATA packet.

Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/tid_rdma.h

@@ -263,4 +263,9 @@ void hfi1_compute_tid_rdma_flow_wt(void);
 
 void hfi1_rc_rcv_tid_rdma_write_req(struct hfi1_packet *packet);
 
+u32 hfi1_build_tid_rdma_write_resp(struct rvt_qp *qp, struct rvt_ack_entry *e,
+				   struct ib_other_headers *ohdr, u32 *bth1,
+				   u32 bth2, u32 *len,
+				   struct rvt_sge_state **ss);
+
 #endif /* HFI1_TID_RDMA_H */