ibt_alloc_ah
retval = ibt_alloc_ah(hca_hdl, flags, pd, &adds_vect, &ah);
status = ibt_alloc_ah(cip->ci_ci_handle, ud_dest_flags,
ibt_status_t ibt_alloc_ah(ibt_hca_hdl_t hca_hdl, ibt_ah_flags_t flags,