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openmpi/ompi/mca/btl/vader/btl_vader_frag.h
Nathan Hjelm 211e2dbdf3 clean up tab characters
This commit was SVN r25413.
2011-11-02 15:07:57 +00:00

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