OpenMPI 0.1.1

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pml_base_request.h
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1 /* -*- Mode: C; c-basic-offset:4 ; -*- */
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) 2004-2007 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 * $COPYRIGHT$
15 *
16 * Additional copyrights may follow
17 *
18 * $HEADER$
19 */
20 /**
21 * @file
22 */
23 #ifndef MCA_PML_BASE_REQUEST_H
24 #define MCA_PML_BASE_REQUEST_H
25
26 #include "ompi_config.h"
27 #include "ompi/class/ompi_free_list.h"
28 #include "ompi/communicator/communicator.h"
29 #include "ompi/request/request.h"
30 #include "opal/datatype/opal_convertor.h"
31
32 BEGIN_C_DECLS
33
34 /**
35 * External list for the requests. They are declared as lists of
36 * the basic request type, which will allow all PML to overload
37 * the list. Beware these free lists have to be initialized
38 * directly by the PML who win the PML election.
39 */
40 OMPI_DECLSPEC extern ompi_free_list_t mca_pml_base_send_requests;
41 OMPI_DECLSPEC extern ompi_free_list_t mca_pml_base_recv_requests;
42
43 /**
44 * Type of request.
45 */
46 /*
47 * The following include pulls in shared typedefs with debugger plugins.
48 * For more information on why we do this see the Notice to developers
49 * comment at the top of the ompi_msgq_dll.c file.
50 */
51 #include "pml_base_request_dbg.h"
52
53
54 /**
55 * Base type for PML P2P requests
56 */
57 struct mca_pml_base_request_t {
58
59 /* START: These fields have to match the definition of the mca_pml_cm_request_t */
60 ompi_request_t req_ompi; /**< base request */
61 volatile bool req_pml_complete; /**< flag indicating if the pt-2-pt layer is done with this request */
62 mca_pml_base_request_type_t req_type; /**< MPI request type - used for test */
63 struct ompi_communicator_t *req_comm; /**< communicator pointer */
64 struct ompi_datatype_t *req_datatype; /**< pointer to data type */
65 volatile bool req_free_called; /**< flag indicating if the user has freed this request */
66 opal_convertor_t req_convertor; /**< always need the convertor */
67 /* END: These field have to match the definition of the mca_pml_cm_request_t */
68
69 void *req_addr; /**< pointer to application buffer */
70 size_t req_count; /**< count of user datatype elements */
71 int32_t req_peer; /**< peer process - rank w/in this communicator */
72 int32_t req_tag; /**< user defined tag */
73 struct ompi_proc_t* req_proc; /**< peer process */
74 uint64_t req_sequence; /**< sequence number for MPI pt-2-pt ordering */
75 };
76 typedef struct mca_pml_base_request_t mca_pml_base_request_t;
77
78 OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_pml_base_request_t);
79
80 END_C_DECLS
81
82 #endif
83
mca_pml_base_request_t::req_count
size_t req_count
count of user datatype elements
Definition: pml_base_request.h:70
ompi_datatype_t
Definition: ompi_datatype.h:68
mca_pml_base_request_t::req_comm
struct ompi_communicator_t * req_comm
communicator pointer
Definition: pml_base_request.h:63
mca_pml_base_request_t::req_peer
int32_t req_peer
peer process - rank w/in this communicator
Definition: pml_base_request.h:71
ompi_proc_t
Remote Open MPI process structure.
Definition: proc.h:56
mca_pml_base_request_t::req_convertor
opal_convertor_t req_convertor
always need the convertor
Definition: pml_base_request.h:66
request.h
Top-level description of requests.
mca_pml_base_request_t::req_pml_complete
volatile bool req_pml_complete
flag indicating if the pt-2-pt layer is done with this request
Definition: pml_base_request.h:61
mca_pml_base_request_t::req_proc
struct ompi_proc_t * req_proc
peer process
Definition: pml_base_request.h:73
mca_pml_base_request_t::req_tag
int32_t req_tag
user defined tag
Definition: pml_base_request.h:72
ompi_free_list_t
Definition: ompi_free_list.h:39
mca_pml_base_request_t::req_datatype
struct ompi_datatype_t * req_datatype
pointer to data type
Definition: pml_base_request.h:64
mca_pml_base_request_t::req_addr
void * req_addr
pointer to application buffer
Definition: pml_base_request.h:69
opal_convertor_t
Definition: opal_convertor.h:90
mca_pml_base_request_t::req_type
mca_pml_base_request_type_t req_type
MPI request type - used for test.
Definition: pml_base_request.h:62
mca_pml_base_send_requests
BEGIN_C_DECLS OMPI_DECLSPEC ompi_free_list_t mca_pml_base_send_requests
External list for the requests.
Definition: pml_base_request.c:27
mca_pml_base_request_t::req_ompi
ompi_request_t req_ompi
base request
Definition: pml_base_request.h:60
ompi_communicator_t
Definition: communicator.h:118
ompi_request_t
Main top-level request struct definition.
Definition: request.h:100
mca_pml_base_request_t
Type of request.
Definition: pml_base_request.h:57
OBJ_CLASS_DECLARATION
#define OBJ_CLASS_DECLARATION(NAME)
Declaration for class descriptor.
Definition: opal_object.h:236
mca_pml_base_request_t::req_sequence
uint64_t req_sequence
sequence number for MPI pt-2-pt ordering
Definition: pml_base_request.h:74
mca_pml_base_request_t::req_free_called
volatile bool req_free_called
flag indicating if the user has freed this request
Definition: pml_base_request.h:65