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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) 2004-2006 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_GM_FRAG_H
#define MCA_BTL_GM_FRAG_H
#define MCA_BTL_GM_FRAG_ALIGN (8)
#include "ompi_config.h"
#include "btl_gm.h"
#include "ompi/mca/btl/base/btl_base_error.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
typedef enum {
MCA_BTL_GM_EAGER,
MCA_BTL_GM_SEND,
MCA_BTL_GM_PUT,
MCA_BTL_GM_GET
} mca_btl_gm_frag_type_t;
/**
* GM send fragment derived type.
*/
struct mca_btl_gm_frag_t {
mca_btl_base_descriptor_t base;
mca_btl_base_segment_t segment;
struct mca_btl_gm_module_t* btl;
struct mca_btl_base_endpoint_t *endpoint;
struct mca_mpool_base_registration_t* registration;
mca_btl_base_header_t *hdr;
size_t size;
enum gm_priority priority;
mca_btl_gm_frag_type_t type;
};
typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_t;
OBJ_CLASS_DECLARATION(mca_btl_gm_frag_t);
typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_eager_t;
OBJ_CLASS_DECLARATION(mca_btl_gm_frag_eager_t);
typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_max_t;
OBJ_CLASS_DECLARATION(mca_btl_gm_frag_max_t);
typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_user_t;
OBJ_CLASS_DECLARATION(mca_btl_gm_frag_user_t);
/*
* Macros to allocate/return descriptors from module specific
* free list(s).
*/
#define MCA_BTL_GM_FRAG_ALLOC_EAGER(btl, frag, rc) \
{ \
\
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_GET(&((mca_btl_gm_module_t*)btl)->gm_frag_eager, item, rc); \
frag = (mca_btl_gm_frag_t*) item; \
}
#define MCA_BTL_GM_FRAG_ALLOC_MAX(btl, frag, rc) \
{ \
\
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_GET(&((mca_btl_gm_module_t*)btl)->gm_frag_max, item, rc); \
frag = (mca_btl_gm_frag_t*) item; \
}
#define MCA_BTL_GM_FRAG_ALLOC_USER(btl, frag, rc) \
{ \
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_GET(&((mca_btl_gm_module_t*)btl)->gm_frag_user, item, rc); \
frag = (mca_btl_gm_frag_t*) item; \
}
#define MCA_BTL_GM_FRAG_RETURN(btl, frag) \
do { \
ompi_free_list_t* mylist = NULL; \
mca_btl_gm_module_t* btl_gm = (mca_btl_gm_module_t*) btl; \
mca_btl_gm_frag_t* frag_gm = (mca_btl_gm_frag_t*) frag; \
switch(frag_gm->type) { \
case MCA_BTL_GM_EAGER: \
mylist = &btl_gm->gm_frag_eager; \
break; \
case MCA_BTL_GM_SEND: \
mylist = &btl_gm->gm_frag_max; \
break; \
case MCA_BTL_GM_PUT: \
case MCA_BTL_GM_GET: \
mylist = &btl_gm->gm_frag_user; \
break; \
default: \
BTL_ERROR(("Unknown frag type\n")); \
break; \
} \
OMPI_FREE_LIST_RETURN(mylist, \
(ompi_free_list_item_t*)(frag)); \
} while (0);
/* called with mca_btl_gm_component.gm_lock held */
#define MCA_BTL_GM_FRAG_POST(btl,frag) \
do { \
if(opal_list_get_size(&btl->gm_repost) < (size_t)btl->gm_num_repost) { \
opal_list_append(&btl->gm_repost, (opal_list_item_t*)frag); \
} else { \
do { \
gm_provide_receive_buffer(btl->port, frag->hdr, frag->size, frag->priority); \
} while (NULL != (frag = (mca_btl_gm_frag_t*)opal_list_remove_first(&btl->gm_repost))); \
} \
} while(0)
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif
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