61e889a1d9
without any context so we need to save a context somewhere so it can be retrieved given only buffer pointer. This patch saves context (pointer to frag) just before start of a buffer so it can be be easily retrieved. This commit was SVN r14664. The following SVN revision numbers were found above: r13921 --> open-mpi/ompi@90fb58de4f
85 строки
2.7 KiB
C
85 строки
2.7 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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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 "btl_gm_frag.h"
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#define MCA_BTL_GM_FRAG_COMMON_CONSTRUCTOR(frag) \
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do { \
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frag->base.des_src = NULL; \
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frag->base.des_src_cnt = 0; \
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frag->base.des_dst = NULL; \
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frag->base.des_dst_cnt = 0; \
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frag->registration = NULL; \
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} while(0)
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static void mca_btl_gm_frag_eager_constructor(mca_btl_gm_frag_t* frag)
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{
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uintptr_t *ctx = (uintptr_t*)frag->base.super.ptr;
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*ctx = (uintptr_t)frag;
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frag->hdr = (mca_btl_base_header_t*)(ctx + 1);
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frag->segment.seg_addr.pval = (unsigned char*)(frag->hdr + 1);
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frag->segment.seg_len = mca_btl_gm_module.super.btl_eager_limit - sizeof(mca_btl_base_header_t);
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frag->size = mca_btl_gm_component.gm_eager_frag_size;
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MCA_BTL_GM_FRAG_COMMON_CONSTRUCTOR(frag);
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}
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static void mca_btl_gm_frag_max_constructor(mca_btl_gm_frag_t* frag)
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{
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uintptr_t *ctx = (uintptr_t*)frag->base.super.ptr;
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*ctx = (uintptr_t)frag;
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frag->hdr = (mca_btl_base_header_t*)(ctx + 1);
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frag->segment.seg_addr.pval = (unsigned char*)(frag->hdr + 1);
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frag->segment.seg_len = mca_btl_gm_module.super.btl_max_send_size - sizeof(mca_btl_base_header_t);
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frag->size = mca_btl_gm_component.gm_max_frag_size;
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MCA_BTL_GM_FRAG_COMMON_CONSTRUCTOR(frag);
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}
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static void mca_btl_gm_frag_user_constructor(mca_btl_gm_frag_t* frag)
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{
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frag->hdr = NULL;
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frag->size = 0;
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frag->registration = NULL;
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MCA_BTL_GM_FRAG_COMMON_CONSTRUCTOR(frag);
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}
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OBJ_CLASS_INSTANCE(
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mca_btl_gm_frag_t,
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mca_btl_base_descriptor_t,
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NULL,
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NULL);
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OBJ_CLASS_INSTANCE(
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mca_btl_gm_frag_eager_t,
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mca_btl_base_descriptor_t,
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mca_btl_gm_frag_eager_constructor,
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NULL);
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OBJ_CLASS_INSTANCE(
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mca_btl_gm_frag_max_t,
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mca_btl_base_descriptor_t,
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mca_btl_gm_frag_max_constructor,
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NULL);
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OBJ_CLASS_INSTANCE(
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mca_btl_gm_frag_user_t,
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mca_btl_base_descriptor_t,
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mca_btl_gm_frag_user_constructor,
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NULL);
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