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openmpi/opal/mca/btl/smcuda/btl_smcuda_frag.c
2015-02-13 11:46:37 -07:00

84 строки
2.8 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2009 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2012 NVIDIA Corporation. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "btl_smcuda_frag.h"
static inline void mca_btl_smcuda_frag_common_constructor(mca_btl_smcuda_frag_t* frag)
{
frag->hdr = (mca_btl_smcuda_hdr_t*)frag->base.super.ptr;
if(frag->hdr != NULL) {
frag->hdr->frag = (mca_btl_smcuda_frag_t*)((uintptr_t)frag |
MCA_BTL_SMCUDA_FRAG_ACK);
frag->segment.seg_addr.pval = ((char*)frag->hdr) +
sizeof(mca_btl_smcuda_hdr_t);
frag->hdr->my_smp_rank = mca_btl_smcuda_component.my_smp_rank;
}
frag->segment.seg_len = frag->size;
frag->base.des_segments = &frag->segment;
frag->base.des_segment_count = 1;
frag->base.des_flags = 0;
#if OPAL_CUDA_SUPPORT
frag->registration = NULL;
#endif /* OPAL_CUDA_SUPPORT */
}
static void mca_btl_smcuda_frag1_constructor(mca_btl_smcuda_frag_t* frag)
{
frag->size = mca_btl_smcuda_component.eager_limit;
frag->my_list = &mca_btl_smcuda_component.sm_frags_eager;
mca_btl_smcuda_frag_common_constructor(frag);
}
static void mca_btl_smcuda_frag2_constructor(mca_btl_smcuda_frag_t* frag)
{
frag->size = mca_btl_smcuda_component.max_frag_size;
frag->my_list = &mca_btl_smcuda_component.sm_frags_max;
mca_btl_smcuda_frag_common_constructor(frag);
}
static void mca_btl_smcuda_user_constructor(mca_btl_smcuda_frag_t* frag)
{
frag->size = 0;
frag->my_list = &mca_btl_smcuda_component.sm_frags_user;
mca_btl_smcuda_frag_common_constructor(frag);
}
OBJ_CLASS_INSTANCE(
mca_btl_smcuda_frag1_t,
mca_btl_base_descriptor_t,
mca_btl_smcuda_frag1_constructor,
NULL);
OBJ_CLASS_INSTANCE(
mca_btl_smcuda_frag2_t,
mca_btl_base_descriptor_t,
mca_btl_smcuda_frag2_constructor,
NULL);
OBJ_CLASS_INSTANCE(
mca_btl_smcuda_user_t,
mca_btl_base_descriptor_t,
mca_btl_smcuda_user_constructor,
NULL);