root/ompi/mca/pml/base/pml_base_request.h

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INCLUDED FROM


   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
   2 /*
   3  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
   4  *                         University Research and Technology
   5  *                         Corporation.  All rights reserved.
   6  * Copyright (c) 2004-2016 The University of Tennessee and The University
   7  *                         of Tennessee Research Foundation.  All rights
   8  *                         reserved.
   9  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
  10  *                         University of Stuttgart.  All rights reserved.
  11  * Copyright (c) 2004-2005 The Regents of the University of California.
  12  *                         All rights reserved.
  13  * Copyright (c) 2009      Sun Microsystems, Inc. All rights reserved.
  14  * Copyright (c) 2015      Los Alamos National Security, LLC. All rights
  15  *                         reserved.
  16  * Copyright (c) 2015      Research Organization for Information Science
  17  *                         and Technology (RIST). All rights reserved.
  18  * $COPYRIGHT$
  19  *
  20  * Additional copyrights may follow
  21  *
  22  * $HEADER$
  23  */
  24 /**
  25  * @file
  26  */
  27 #ifndef MCA_PML_BASE_REQUEST_H
  28 #define MCA_PML_BASE_REQUEST_H
  29 
  30 #include "ompi_config.h"
  31 #include "opal/class/opal_free_list.h"
  32 #include "ompi/communicator/communicator.h"
  33 #include "ompi/request/request.h"
  34 #include "opal/datatype/opal_convertor.h"
  35 
  36 BEGIN_C_DECLS
  37 
  38 /**
  39  * External list for the requests. They are declared as lists of
  40  * the basic request type, which will allow all PML to overload
  41  * the list. Beware these free lists have to be initialized
  42  * directly by the PML who win the PML election.
  43  */
  44 OMPI_DECLSPEC extern opal_free_list_t mca_pml_base_send_requests;
  45 OMPI_DECLSPEC extern opal_free_list_t mca_pml_base_recv_requests;
  46 
  47 /**
  48  * Type of request.
  49  */
  50 /*
  51  * The following include pulls in shared typedefs with debugger plugins.
  52  * For more information on why we do this see the Notice to developers
  53  * comment at the top of the ompi_msgq_dll.c file.
  54  */
  55 #include "pml_base_request_dbg.h"
  56 
  57 
  58 /**
  59  *  Base type for PML P2P requests
  60  */
  61 struct mca_pml_base_request_t {
  62 
  63 /* START: These fields have to match the definition of the mca_pml_cm_request_t */
  64     ompi_request_t req_ompi;              /**< base request */
  65     volatile int32_t req_pml_complete;    /**< flag indicating if the pt-2-pt layer is done with this request */
  66     volatile int32_t req_free_called;     /**< flag indicating if the user has freed this request */
  67     mca_pml_base_request_type_t req_type; /**< MPI request type - used for test */
  68     struct ompi_communicator_t *req_comm; /**< communicator pointer */
  69     struct ompi_datatype_t *req_datatype; /**< pointer to data type */
  70     opal_convertor_t req_convertor;       /**< always need the convertor */
  71 /* END: These field have to match the definition of the mca_pml_cm_request_t */
  72 
  73     void *req_addr;                       /**< pointer to application buffer */
  74     size_t req_count;                     /**< count of user datatype elements */
  75     int32_t req_peer;                     /**< peer process - rank w/in this communicator */
  76     int32_t req_tag;                      /**< user defined tag */
  77     struct ompi_proc_t* req_proc;         /**< peer process */
  78     uint64_t req_sequence;                /**< sequence number for MPI pt-2-pt ordering */
  79 };
  80 typedef struct mca_pml_base_request_t mca_pml_base_request_t;
  81 
  82 OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_pml_base_request_t);
  83 
  84 END_C_DECLS
  85 
  86 #endif
  87 

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