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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 OMPI_BTL_PORTALS_FRAG_H
#define OMPI_BTL_PORTALS_FRAG_H
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
/**
* Portals send fragment derived type
*/
struct mca_btl_portals_frag_t {
mca_btl_base_descriptor_t base;
mca_btl_base_segment_t segments[1];
/* needed for retransmit case */
struct mca_btl_base_endpoint_t *endpoint;
/* needed for retransmit case */
mca_btl_base_header_t hdr;
/* handle to use for communication */
ptl_handle_md_t md_h;
/* size of the allocated memory region -- not the amount of data
we need to send */
size_t size;
enum { BTL_PORTALS_FRAG_TYPE_EAGER,
BTL_PORTALS_FRAG_TYPE_MAX,
BTL_PORTALS_FRAG_TYPE_USER } type;
unsigned char data[16];
};
typedef struct mca_btl_portals_frag_t mca_btl_portals_frag_t;
OBJ_CLASS_DECLARATION(mca_btl_portals_frag_t);
typedef struct mca_btl_portals_frag_t mca_btl_portals_frag_eager_t;
OBJ_CLASS_DECLARATION(mca_btl_portals_frag_eager_t);
typedef struct mca_btl_portals_frag_t mca_btl_portals_frag_max_t;
OBJ_CLASS_DECLARATION(mca_btl_portals_frag_max_t);
typedef struct mca_btl_portals_frag_t mca_btl_portals_frag_user_t;
OBJ_CLASS_DECLARATION(mca_btl_portals_frag_user_t);
typedef struct mca_btl_portals_frag_t mca_btl_portals_frag_recv_t;
OBJ_CLASS_DECLARATION(mca_btl_portals_frag_recv_t);
/*
* Macros to allocate/return descriptors from module specific
* free list(s).
*/
#define OMPI_BTL_PORTALS_FRAG_ALLOC_EAGER(btl_macro, frag, rc) \
{ \
\
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_GET(&((mca_btl_portals_module_t*)btl_macro)->portals_frag_eager, item, rc); \
frag = (mca_btl_portals_frag_t*) item; \
if (rc == OMPI_ERR_TEMP_OUT_OF_RESOURCE) { \
OMPI_BTL_PORTALS_FRAG_ALLOC_MAX(btl_macro, frag, rc); \
} \
}
#define OMPI_BTL_PORTALS_FRAG_RETURN_EAGER(btl_macro, frag) \
{ \
assert(BTL_PORTALS_FRAG_TYPE_EAGER == frag->type); \
OMPI_FREE_LIST_RETURN(&((mca_btl_portals_module_t*)btl_macro)->portals_frag_eager, \
(ompi_free_list_item_t*)(frag)); \
}
#define OMPI_BTL_PORTALS_FRAG_ALLOC_MAX(btl_macro, frag, rc) \
{ \
\
ompi_free_list_item_t *item_macro; \
OMPI_FREE_LIST_GET(&((mca_btl_portals_module_t*)btl_macro)->portals_frag_max, item_macro, rc); \
frag = (mca_btl_portals_frag_t*) item_macro; \
}
#define OMPI_BTL_PORTALS_FRAG_RETURN_MAX(btl_macro, frag) \
{ \
assert(BTL_PORTALS_FRAG_TYPE_MAX == frag->type); \
OMPI_FREE_LIST_RETURN(&((mca_btl_portals_module_t*)btl_macro)->portals_frag_max, \
(ompi_free_list_item_t*)(frag)); \
}
#define OMPI_BTL_PORTALS_FRAG_ALLOC_USER(btl_macro, frag, rc) \
{ \
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_WAIT(&((mca_btl_portals_module_t*)btl_macro)->portals_frag_user, item, rc); \
frag = (mca_btl_portals_frag_t*) item; \
}
#define OMPI_BTL_PORTALS_FRAG_RETURN_USER(btl_macro, frag) \
{ \
assert(BTL_PORTALS_FRAG_TYPE_USER == frag->type); \
OMPI_FREE_LIST_RETURN(&((mca_btl_portals_module_t*)btl_macro)->portals_frag_user, \
(ompi_free_list_item_t*)(frag)); \
}
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif
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