104 строки
4.2 KiB
C
104 строки
4.2 KiB
C
/*
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*Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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*Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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*Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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*Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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*$COPYRIGHT$
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*
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*Additional copyrights may follow
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*
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*$HEADER$
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*/
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/**
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* @file
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*/
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#ifndef PTL_SELF_H_HAS_BEEN_INCLUDED
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#define PTL_SELF_H_HAS_BEEN_INCLUDED
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#include "class/ompi_free_list.h"
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#include "opal/event/event.h"
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#include "mca/pml/pml.h"
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#include "mca/ptl/ptl.h"
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#include "mca/ptl/base/ptl_base_sendreq.h"
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#include "mca/ptl/base/ptl_base_recvreq.h"
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#include "mca/ptl/base/ptl_base_recvfrag.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* SELF PTL component.
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*/
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struct mca_ptl_self_component_t {
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mca_ptl_base_component_1_0_0_t super; /**< base PTL component */
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uint32_t self_buf_size; /**< the size of the internal buffer used to pack/unpack the data */
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uint32_t self_is_non_blocking; /**< how the memcopy operations are done segmented or not */
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int32_t self_free_list_num; /**< initial size of free lists */
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int32_t self_free_list_max; /**< maximum size of free lists */
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int32_t self_free_list_inc; /**< number of elements to alloc when growing free lists */
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ompi_free_list_t self_send_requests; /**< free list of self send requests -- sendreq + sendfrag */
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struct ompi_proc_t* self_local; /**< the self proc instance corresponding to the local process */
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};
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typedef struct mca_ptl_self_component_t mca_ptl_self_component_t;
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/**
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* Self send request derived type. The send request contains both the
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* base send request, and the base receive fragment which will be used to do the match.
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*/
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struct mca_ptl_self_send_request_t {
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mca_ptl_base_send_request_t req_ptl;
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mca_ptl_base_recv_frag_t req_frag; /* first fragment */
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};
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typedef struct mca_ptl_self_send_request_t mca_ptl_self_send_request_t;
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OBJ_CLASS_DECLARATION(mca_ptl_self_send_request_t);
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extern mca_ptl_self_component_t mca_ptl_self_component;
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/**
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* Register SELF component parameters with the MCA framework
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*/
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extern int mca_ptl_self_component_open(void);
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/**
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* Any final cleanup before being unloaded.
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*/
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extern int mca_ptl_self_component_close(void);
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/**
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* SELF component initialization.
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*
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* @param num_ptls (OUT) Number of PTLs returned in PTL array.
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* @param allow_multi_user_threads (OUT) Flag indicating wether PTL supports user threads (TRUE)
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* @param have_hidden_threads (OUT) Flag indicating wether PTL uses threads (TRUE)
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*
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* (1) prepare the local buffering and initialize the SELF
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* engine.
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*/
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extern mca_ptl_base_module_t** mca_ptl_self_component_init(
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int *num_ptls,
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bool enable_progress_threads,
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bool enable_mpi_threads
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);
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int mca_ptl_self_add_proc(struct mca_ptl_base_module_t* ptl, size_t nprocs, struct ompi_proc_t **ompi_proc, struct mca_ptl_base_peer_t** peer_ret, struct ompi_bitmap_t* reachable);
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int mca_ptl_self_del_proc(struct mca_ptl_base_module_t* ptl, size_t nprocs, struct ompi_proc_t **proc, struct mca_ptl_base_peer_t** ptl_peer);
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int mca_ptl_self_finalize(struct mca_ptl_base_module_t* ptl);
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int mca_ptl_self_request_init(struct mca_ptl_base_module_t* ptl, struct mca_ptl_base_send_request_t* request);
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void mca_ptl_self_request_fini(struct mca_ptl_base_module_t* ptl, struct mca_ptl_base_send_request_t* request);
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int mca_ptl_self_send( struct mca_ptl_base_module_t* ptl, struct mca_ptl_base_peer_t* ptl_base_peer, struct mca_ptl_base_send_request_t* request,
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size_t offset, size_t size, int flags );
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void mca_ptl_self_matched( mca_ptl_base_module_t* ptl, mca_ptl_base_recv_frag_t* frag );
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* PTL_SELF_H_HAS_BEEN_INCLUDED */
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