211e2dbdf3
This commit was SVN r25413.
87 строки
3.8 KiB
C
87 строки
3.8 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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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) 2004-2009 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 (c) 2008 Sun Microsystems, Inc. All rights reserved.
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* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2011 Los Alamos National Security, LLC. All rights
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* 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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#ifndef MCA_BTL_VADER_SEND_FRAG_H
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#define MCA_BTL_VADER_SEND_FRAG_H
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#include "ompi_config.h"
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#define MCA_BTL_VADER_FLAG_INLINE 0
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#define MCA_BTL_VADER_FLAG_SINGLE_COPY 1
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#define MCA_BTL_VADER_FLAG_FBOX 2
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struct mca_btl_vader_hdr_t {
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volatile void *next; /* next item in fifo. many peers may touch this */
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volatile bool complete; /* fragment completion (usually 1 byte) */
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mca_btl_base_tag_t tag; /* tag associated with this fragment (used to lookup callback) */
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char pad[2];
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int flags; /* vader send flags */
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int my_smp_rank; /* smp rank of owning process */
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size_t len; /* length of data following this header */
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};
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typedef struct mca_btl_vader_hdr_t mca_btl_vader_hdr_t;
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/**
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* shared memory send fragment derived type.
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*/
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struct mca_btl_vader_frag_t {
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mca_btl_base_descriptor_t base;
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mca_btl_base_segment_t segment;
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struct mca_btl_base_endpoint_t *endpoint;
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/* pointer written to the FIFO, this is the base of the shared memory region */
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mca_btl_vader_hdr_t *hdr;
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ompi_free_list_t *my_list;
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};
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typedef struct mca_btl_vader_frag_t mca_btl_vader_frag_t;
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OBJ_CLASS_DECLARATION(mca_btl_vader_frag_t);
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#define MCA_BTL_VADER_FRAG_ALLOC_EAGER(frag, rc) \
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do { \
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ompi_free_list_item_t *item; \
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OMPI_FREE_LIST_GET(&mca_btl_vader_component.vader_frags_eager, item, rc); \
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frag = (mca_btl_vader_frag_t *) item; \
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frag->hdr->complete = false; \
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frag->hdr->flags = MCA_BTL_VADER_FLAG_INLINE; \
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frag->segment.seg_addr.pval = (char *)(frag->hdr + 1); \
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frag->my_list = &mca_btl_vader_component.vader_frags_eager; \
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} while (0)
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#define MCA_BTL_VADER_FRAG_ALLOC_USER(frag, rc) \
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do { \
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ompi_free_list_item_t *item; \
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OMPI_FREE_LIST_GET(&mca_btl_vader_component.vader_frags_user, item, rc); \
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frag = (mca_btl_vader_frag_t *) item; \
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frag->hdr->complete = false; \
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frag->hdr->flags = MCA_BTL_VADER_FLAG_INLINE; \
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frag->segment.seg_addr.pval = (char *)(frag->hdr + 1); \
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frag->my_list = &mca_btl_vader_component.vader_frags_user; \
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} while (0)
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#define MCA_BTL_VADER_FRAG_RETURN(frag) \
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OMPI_FREE_LIST_RETURN((frag)->my_list, (ompi_free_list_item_t *)(frag))
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#endif /* MCA_BTL_VADER_SEND_FRAG_H */
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