IB/qib: Remove modify queue pair code

Modify queue pair functionality in rdmavt will be used instead.
Remove ancillary functions which are being used by modify QP code.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 751c9d7..5ba073e 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1539,4 +1539,14 @@
 void qib_format_hwerrors(u64 hwerrs,
 			 const struct qib_hwerror_msgs *hwerrmsgs,
 			 size_t nhwerrmsgs, char *msg, size_t lmsg);
+
+void stop_send_queue(struct rvt_qp *qp);
+void quiesce_qp(struct rvt_qp *qp);
+void flush_qp_waiters(struct rvt_qp *qp);
+int mtu_to_path_mtu(u32 mtu);
+u32 mtu_from_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, u32 pmtu);
+void notify_error_qp(struct rvt_qp *qp);
+int get_pmtu_from_attr(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+		       struct ib_qp_attr *attr);
+
 #endif                          /* _QIB_KERNEL_H */