138 строки
5.9 KiB
C
138 строки
5.9 KiB
C
/*
|
|
* 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
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
/**
|
|
* @file
|
|
*/
|
|
|
|
#ifndef MCA_PML_OB1_RECVFRAG_H
|
|
#define MCA_PML_OB1_RECVFRAG_H
|
|
|
|
#include "ompi/mca/btl/btl.h"
|
|
#include "ompi/mca/bml/bml.h"
|
|
#include "pml_ob1_hdr.h"
|
|
|
|
struct mca_pml_ob1_buffer_t {
|
|
ompi_free_list_item_t super;
|
|
size_t len;
|
|
unsigned char addr[1];
|
|
};
|
|
typedef struct mca_pml_ob1_buffer_t mca_pml_ob1_buffer_t;
|
|
|
|
OBJ_CLASS_DECLARATION(mca_pml_ob1_buffer_t);
|
|
|
|
|
|
struct mca_pml_ob1_recv_frag_t {
|
|
ompi_free_list_item_t super;
|
|
mca_pml_ob1_hdr_t hdr;
|
|
struct mca_pml_ob1_recv_request_t* request;
|
|
size_t num_segments;
|
|
mca_btl_base_module_t* btl;
|
|
mca_btl_base_segment_t segments[MCA_BTL_DES_MAX_SEGMENTS];
|
|
mca_pml_ob1_buffer_t* buffers[MCA_BTL_DES_MAX_SEGMENTS];
|
|
};
|
|
typedef struct mca_pml_ob1_recv_frag_t mca_pml_ob1_recv_frag_t;
|
|
|
|
OBJ_CLASS_DECLARATION(mca_pml_ob1_recv_frag_t);
|
|
|
|
|
|
#define MCA_PML_OB1_RECV_FRAG_ALLOC(frag,rc) \
|
|
do { \
|
|
ompi_free_list_item_t* item; \
|
|
OMPI_FREE_LIST_WAIT(&mca_pml_ob1.recv_frags, item, rc); \
|
|
frag = (mca_pml_ob1_recv_frag_t*)item; \
|
|
} while(0)
|
|
|
|
|
|
#define MCA_PML_OB1_RECV_FRAG_INIT(frag, hdr, segs, cnt, btl ) \
|
|
do { \
|
|
size_t i; \
|
|
mca_btl_base_segment_t* macro_segments = frag->segments; \
|
|
mca_pml_ob1_buffer_t** buffers = frag->buffers; \
|
|
\
|
|
/* init recv_frag */ \
|
|
frag->btl = btl; \
|
|
frag->hdr = *(mca_pml_ob1_hdr_t*)hdr; \
|
|
frag->num_segments = cnt; \
|
|
/* copy over data */ \
|
|
for(i=0; i<cnt; i++) { \
|
|
ompi_free_list_item_t* item; \
|
|
mca_pml_ob1_buffer_t* buff; \
|
|
OMPI_FREE_LIST_WAIT(&mca_pml_ob1.buffers, item, rc); \
|
|
buff = (mca_pml_ob1_buffer_t*)item; \
|
|
buffers[i] = buff; \
|
|
macro_segments[i].seg_addr.pval = buff->addr; \
|
|
macro_segments[i].seg_len = segs[i].seg_len; \
|
|
memcpy(buff->addr, \
|
|
segs[i].seg_addr.pval, \
|
|
segs[i].seg_len); \
|
|
} \
|
|
\
|
|
} while(0)
|
|
|
|
|
|
#define MCA_PML_OB1_RECV_FRAG_RETURN(frag) \
|
|
do { \
|
|
size_t i; \
|
|
\
|
|
/* return buffers */ \
|
|
for(i=0; i<frag->num_segments; i++) { \
|
|
OMPI_FREE_LIST_RETURN(&mca_pml_ob1.buffers, \
|
|
(ompi_free_list_item_t*)frag->buffers[i]); \
|
|
} \
|
|
frag->num_segments = 0; \
|
|
\
|
|
/* return recv_frag */ \
|
|
OMPI_FREE_LIST_RETURN(&mca_pml_ob1.recv_frags, \
|
|
(ompi_free_list_item_t*)frag); \
|
|
} while(0)
|
|
|
|
|
|
/**
|
|
* Callback from BTL on receipt of a recv_frag.
|
|
*/
|
|
|
|
OMPI_DECLSPEC void mca_pml_ob1_recv_frag_callback(
|
|
mca_btl_base_module_t *btl,
|
|
mca_btl_base_tag_t tag,
|
|
mca_btl_base_descriptor_t* descriptor,
|
|
void* cbdata
|
|
);
|
|
|
|
/**
|
|
* Match incoming recv_frags against posted receives.
|
|
* Supports out of order delivery.
|
|
*
|
|
* @param frag_header (IN) Header of received recv_frag.
|
|
* @param frag_desc (IN) Received recv_frag descriptor.
|
|
* @param match_made (OUT) Flag indicating wether a match was made.
|
|
* @param additional_matches (OUT) List of additional matches
|
|
* @return OMPI_SUCCESS or error status on failure.
|
|
*/
|
|
OMPI_DECLSPEC int mca_pml_ob1_recv_frag_match(
|
|
mca_btl_base_module_t* btl,
|
|
mca_pml_ob1_match_hdr_t *hdr,
|
|
mca_btl_base_segment_t* segments,
|
|
size_t num_segments);
|
|
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif
|
|
|