55 строки
1.6 KiB
C
55 строки
1.6 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2010-2013 Los Alamos National Security, LLC.
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* 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 "btl_vader.h"
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#include "btl_vader_frag.h"
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#include "btl_vader_endpoint.h"
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/**
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* Initiate an synchronous put.
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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_vader_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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{
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mca_btl_vader_frag_t *frag = (mca_btl_vader_frag_t *) des;
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mca_btl_base_segment_t *src = des->des_src;
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mca_btl_base_segment_t *dst = des->des_dst;
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size_t size = min(dst->seg_len, src->seg_len);
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mca_mpool_base_registration_t *reg;
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void *rem_ptr;
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reg = vader_get_registation (endpoint, (void *)(uintptr_t) dst->seg_addr.lval,
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dst->seg_len, 0);
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if (OPAL_UNLIKELY(NULL == reg)) {
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return OMPI_ERROR;
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}
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rem_ptr = vader_reg_to_ptr (reg, (void *)(uintptr_t) dst->seg_addr.lval);
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vader_memmove (rem_ptr, (void *)(uintptr_t) src->seg_addr.lval, size);
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vader_return_registration (reg, endpoint);
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/* always call the callback function */
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frag->base.des_flags |= MCA_BTL_DES_SEND_ALWAYS_CALLBACK;
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mca_btl_vader_frag_complete (frag);
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return OMPI_SUCCESS;
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}
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