46 строки
1.4 KiB
C
46 строки
1.4 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2011-2012 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2011 UT-Battelle, LLC. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "opal/include/opal_stdint.h"
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#include "btl_ugni_rdma.h"
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#include "opal/util/opal_sos.h"
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/**
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* Initiate a put operation.
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*
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* @param btl (IN) BTL module
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* @param endpoint (IN) BTL addressing information
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* @param descriptor (IN) Description of the data to be transferred
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*/
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int mca_btl_ugni_put (struct mca_btl_base_module_t *btl,
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struct mca_btl_base_endpoint_t *endpoint,
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struct mca_btl_base_descriptor_t *des) {
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mca_btl_ugni_base_frag_t *frag = (mca_btl_ugni_base_frag_t *) des;
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int rc;
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BTL_VERBOSE(("Using RDMA/FMA Put"));
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/* Check if endpoint is connected */
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rc = mca_btl_ugni_check_endpoint_state(endpoint);
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if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
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/* Ack! We should already be connected by this point (we got an smsg msg) */
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return rc;
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}
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if (frag->base.des_src->seg_len <= mca_btl_ugni_component.ugni_fma_limit) {
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return mca_btl_ugni_post_fma (frag, GNI_POST_FMA_PUT, des->des_src, des->des_dst);
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}
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return mca_btl_ugni_post_bte (frag, GNI_POST_RDMA_PUT, des->des_src, des->des_dst);
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}
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