OpenMPI 0.1.1

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osc_rdma_replyreq.h
1 /*
2 * Copyright (c) 2004-2005 The Trustees of Indiana University.
3 * All rights reserved.
4 * Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
5 * All rights reserved.
6 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
7 * University of Stuttgart. All rights reserved.
8 * Copyright (c) 2004-2005 The Regents of the University of California.
9 * All rights reserved.
10 * Copyright (c) 2007 Los Alamos National Security, LLC. All rights
11 * reserved.
12 * Copyright (c) 2010 Cisco Systems, Inc. All rights reserved.
13 * $COPYRIGHT$
14 *
15 * Additional copyrights may follow
16 *
17 * $HEADER$
18 */
19
20 #ifndef OMPI_OSC_RDMA_REPLYREQ_H
21 #define OMPI_OSC_RDMA_REPLYREQ_H
22
23 #include "osc_rdma.h"
24 #include "osc_rdma_longreq.h"
25
26 #include "opal/class/opal_list.h"
27 #include "ompi/datatype/ompi_datatype.h"
28 #include "opal/datatype/opal_convertor.h"
29 #include "ompi/communicator/communicator.h"
30 #include "ompi/proc/proc.h"
31 #include "ompi/memchecker.h"
32
33
34 struct ompi_osc_rdma_replyreq_t {
35 opal_list_item_t super;
36
37 /** pointer to the module that created the replyreq */
38 ompi_osc_rdma_module_t *rep_module;
39
40 /** Datatype for the target side of the operation */
41 struct ompi_datatype_t *rep_target_datatype;
42 /** Convertor for the target. Always setup for send. */
43 opal_convertor_t rep_target_convertor;
44 /** packed size of message on the target side */
45 size_t rep_target_bytes_packed;
46
47 /** rank in module's communicator for origin of operation */
48 int rep_origin_rank;
49 /** pointer to the proc structure for the origin of the operation */
50 ompi_proc_t *rep_origin_proc;
51
52 ompi_ptr_t rep_origin_sendreq;
53 };
54 typedef struct ompi_osc_rdma_replyreq_t ompi_osc_rdma_replyreq_t;
55 OBJ_CLASS_DECLARATION(ompi_osc_rdma_replyreq_t);
56
57
58 /** allocate and populate a replyreq structure. datatype is
59 RETAINed for the life of the replyreq */
60 int
61 ompi_osc_rdma_replyreq_alloc_init(ompi_osc_rdma_module_t *module,
62 int origin,
63 ompi_ptr_t origin_request,
64 OPAL_PTRDIFF_TYPE target_displacement,
65 int target_count,
66 struct ompi_datatype_t *datatype,
67 ompi_osc_rdma_replyreq_t **replyreq);
68
69
70 static inline int
71 ompi_osc_rdma_replyreq_alloc(ompi_osc_rdma_module_t *module,
72 int origin_rank,
73 ompi_osc_rdma_replyreq_t **replyreq)
74 {
75 int ret;
76 opal_free_list_item_t *item;
77 ompi_proc_t *proc = ompi_comm_peer_lookup( module->m_comm, origin_rank );
78
79 /* BWB - FIX ME - is this really the right return code? */
80 if (NULL == proc) return OMPI_ERR_OUT_OF_RESOURCE;
81
82 OPAL_FREE_LIST_GET(&mca_osc_rdma_component.c_replyreqs,
83 item, ret);
84 if (OMPI_SUCCESS != ret) return ret;
85 *replyreq = (ompi_osc_rdma_replyreq_t*) item;
86
87 (*replyreq)->rep_module = module;
88 (*replyreq)->rep_origin_rank = origin_rank;
89 (*replyreq)->rep_origin_proc = proc;
90
91 return OMPI_SUCCESS;
92 }
93
94
95 static inline int
96 ompi_osc_rdma_replyreq_init_target(ompi_osc_rdma_replyreq_t *replyreq,
97 void *target_addr,
98 int target_count,
99 struct ompi_datatype_t *target_dt)
100 {
101 OBJ_RETAIN(target_dt);
102 replyreq->rep_target_datatype = target_dt;
103
104 opal_convertor_copy_and_prepare_for_send(replyreq->rep_origin_proc->proc_convertor,
105 &(target_dt->super),
106 target_count,
107 target_addr,
108 0,
109 &(replyreq->rep_target_convertor));
110 opal_convertor_get_packed_size(&replyreq->rep_target_convertor,
111 &replyreq->rep_target_bytes_packed);
112
113 return OMPI_SUCCESS;
114 }
115
116
117 static inline int
118 ompi_osc_rdma_replyreq_init_origin(ompi_osc_rdma_replyreq_t *replyreq,
119 ompi_ptr_t origin_request)
120 {
121 replyreq->rep_origin_sendreq = origin_request;
122
123 return OMPI_SUCCESS;
124 }
125
126
127 static inline int
128 ompi_osc_rdma_replyreq_free(ompi_osc_rdma_replyreq_t *replyreq)
129 {
130 MEMCHECKER(
131 memchecker_convertor_call(&opal_memchecker_base_mem_defined,
132 &replyreq->rep_target_convertor);
133 );
134 opal_convertor_cleanup(&replyreq->rep_target_convertor);
135
136 OBJ_RELEASE(replyreq->rep_target_datatype);
137
138 OPAL_FREE_LIST_RETURN(&mca_osc_rdma_component.c_replyreqs,
139 (opal_list_item_t*) replyreq);
140
141 return OMPI_SUCCESS;
142 }
143
144 #endif /* OMPI_OSC_RDMA_REPLYREQ_H */
ompi_osc_rdma_replyreq_t
Definition: osc_rdma_replyreq.h:34
ompi_osc_rdma_module_t
Definition: osc_rdma.h:111
ompi_datatype_t
Definition: ompi_datatype.h:68
ompi_ptr_t
Definition: types.h:52
opal_list.h
The opal_list_t interface is used to provide a generic doubly-linked list container for Open MPI...
proc.h
Process identification structure interface.
ompi_proc_t
Remote Open MPI process structure.
Definition: proc.h:56
OBJ_RETAIN
#define OBJ_RETAIN(object)
Retain an object (by incrementing its reference count)
Definition: opal_object.h:278
ompi_osc_rdma_replyreq_t::rep_target_convertor
opal_convertor_t rep_target_convertor
Convertor for the target.
Definition: osc_rdma_replyreq.h:43
ompi_osc_rdma_replyreq_t::rep_module
ompi_osc_rdma_module_t * rep_module
pointer to the module that created the replyreq
Definition: osc_rdma_replyreq.h:38
opal_list_item_t
Definition: opal_list.h:98
OBJ_RELEASE
#define OBJ_RELEASE(object)
Release an object (by decrementing its reference count).
Definition: opal_object.h:324
ompi_osc_rdma_component_t::c_replyreqs
opal_free_list_t c_replyreqs
free list of ompi_osc_rdma_replyreq_t structures
Definition: osc_rdma.h:66
opal_free_list_item_t
Definition: opal_free_list.h:47
ompi_datatype_t::super
opal_datatype_t super
Base opal_datatype_t superclass.
Definition: ompi_datatype.h:69
ompi_osc_rdma_replyreq_t::rep_origin_proc
ompi_proc_t * rep_origin_proc
pointer to the proc structure for the origin of the operation
Definition: osc_rdma_replyreq.h:50
opal_convertor_t
Definition: opal_convertor.h:90
ompi_proc_t::proc_convertor
struct opal_convertor_t * proc_convertor
Base convertor for the proc described by this process.
Definition: proc.h:70
ompi_osc_rdma_replyreq_t::rep_target_datatype
struct ompi_datatype_t * rep_target_datatype
Datatype for the target side of the operation.
Definition: osc_rdma_replyreq.h:41
ompi_osc_rdma_replyreq_t::rep_origin_rank
int rep_origin_rank
rank in module's communicator for origin of operation
Definition: osc_rdma_replyreq.h:48
ompi_osc_rdma_module_t::m_comm
ompi_communicator_t * m_comm
communicator created with this window
Definition: osc_rdma.h:130
ompi_osc_rdma_replyreq_t::rep_target_bytes_packed
size_t rep_target_bytes_packed
packed size of message on the target side
Definition: osc_rdma_replyreq.h:45
OBJ_CLASS_DECLARATION
#define OBJ_CLASS_DECLARATION(NAME)
Declaration for class descriptor.
Definition: opal_object.h:236