90 строки
3.1 KiB
C
90 строки
3.1 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) 2004-2008 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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#ifndef MCA_BTL_MX_FRAG_H
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#define MCA_BTL_MX_FRAG_H
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#include "ompi_config.h"
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#include "opal/class/opal_list.h"
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#include "ompi/class/ompi_free_list.h"
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#include "btl_mx.h"
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#define MCA_BTL_MX_SEND 0x01
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#define MCA_BTL_MX_RECV 0x02
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BEGIN_C_DECLS
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/**
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* MX send framxent derived type.
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*/
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struct mca_btl_mx_frag_t {
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mca_btl_base_descriptor_t base;
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mca_btl_base_segment_t segment[2];
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struct mca_btl_base_endpoint_t* endpoint;
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uint8_t type;
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mx_request_t mx_request;
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size_t size;
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ompi_free_list_t* mx_frag_list;
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};
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typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_t;
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OBJ_CLASS_DECLARATION(mca_btl_mx_frag_t);
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typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_eager_t;
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OBJ_CLASS_DECLARATION(mca_btl_mx_frag_eager_t);
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typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_max_t;
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OBJ_CLASS_DECLARATION(mca_btl_mx_frag_max_t);
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typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_user_t;
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OBJ_CLASS_DECLARATION(mca_btl_mx_frag_user_t);
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/*
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* Macros to allocate/return descriptors from module specific
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* free list(s).
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*/
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#define MCA_BTL_MX_FRAG_ALLOC_EAGER(btl, frag, rc) \
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{ \
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ompi_free_list_item_t *item; \
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OMPI_FREE_LIST_WAIT( &mca_btl_mx_component.mx_send_eager_frags, item, rc); \
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frag = (mca_btl_mx_frag_t*) item; \
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frag->mx_frag_list = &(mca_btl_mx_component.mx_send_eager_frags); \
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frag->segment[0].seg_addr.pval = (void*)(frag+1); \
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}
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#define MCA_BTL_MX_FRAG_ALLOC_USER(btl, frag, rc) \
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{ \
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ompi_free_list_item_t *item; \
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OMPI_FREE_LIST_WAIT( &mca_btl_mx_component.mx_send_user_frags, item, rc); \
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frag = (mca_btl_mx_frag_t*) item; \
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frag->mx_frag_list = &(mca_btl_mx_component.mx_send_user_frags); \
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}
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#define MCA_BTL_MX_FRAG_RETURN(btl, frag) \
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{ \
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OMPI_FREE_LIST_RETURN( frag->mx_frag_list, (ompi_free_list_item_t*)(frag)); \
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}
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END_C_DECLS
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#endif
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