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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_BTL_MX_FRAG_H
#define MCA_BTL_MX_FRAG_H
#define MCA_BTL_MX_FRAG_ALIGN (8)
#include "ompi_config.h"
#include "opal/class/opal_list.h"
#include "ompi/class/ompi_free_list.h"
#include "btl_mx.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_btl_mx_frag_t);
/**
* MX send framxent derived type.
*/
struct mca_btl_mx_frag_t {
mca_btl_base_descriptor_t base;
mca_btl_base_segment_t segment[2];
struct mca_btl_base_endpoint_t* endpoint;
mca_btl_base_tag_t tag;
mx_request_t mx_request;
size_t size;
ompi_free_list_t* mx_frag_list;
#if MCA_BTL_HAS_MPOOL
struct mca_mpool_base_registration_t* registration;
#endif
};
typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_t;
OBJ_CLASS_DECLARATION(mca_btl_mx_frag_t);
typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_eager_t;
OBJ_CLASS_DECLARATION(mca_btl_mx_frag_eager_t);
typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_max_t;
OBJ_CLASS_DECLARATION(mca_btl_mx_frag_max_t);
typedef struct mca_btl_mx_frag_t mca_btl_mx_frag_user_t;
OBJ_CLASS_DECLARATION(mca_btl_mx_frag_user_t);
/*
* Macros to allocate/return descriptors from module specific
* free list(s).
*/
#define MCA_BTL_MX_FRAG_ALLOC_EAGER(btl, frag, rc) \
{ \
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_WAIT( &mca_btl_mx_component.mx_send_eager_frags, item, rc); \
frag = (mca_btl_mx_frag_t*) item; \
frag->mx_frag_list = (ompi_free_list_t*)&(mca_btl_mx_component.mx_send_eager_frags); \
frag->segment[0].seg_addr.pval = (void*)(frag+1); \
frag->segment[0].seg_len = mca_btl_mx_module.super.btl_eager_limit; \
}
#if 0
#define MCA_BTL_MX_FRAG_ALLOC_USER(btl, frag, rc) \
{ \
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_WAIT( &mca_btl_mx_component.mx_send_user_frags, item, rc); \
frag = (mca_btl_mx_frag_t*) item; \
frag->mx_frag_list = (ompi_free_list_t*)&(mca_btl_mx_component.mx_send_user_frags); \
frag->segment[0].seg_addr.pval = (void*)(frag+1); \
frag->segment[0].seg_len = mca_btl_mx_module.super.btl_eager_limit; \
}
#else
#define MCA_BTL_MX_FRAG_ALLOC_USER(btl, frag, rc) \
MCA_BTL_MX_FRAG_ALLOC_EAGER( btl, frag, rc )
#endif
#define MCA_BTL_MX_FRAG_RETURN(btl, frag) \
{ \
/*opal_output( 0, "return item to %p\n", frag->mx_frag_list );*/ \
OMPI_FREE_LIST_RETURN( frag->mx_frag_list, (ompi_free_list_item_t*)(frag)); \
}
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif
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