1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
|
/*
* 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 OMPI_PML_OB1_RECV_REQUEST_H
#define OMPI_PML_OB1_RECV_REQUEST_H
#include "pml_ob1.h"
#include "pml_ob1_proc.h"
#include "pml_ob1_rdma.h"
#include "ompi/mca/mpool/base/base.h"
#include "ompi/mca/pml/base/pml_base_recvreq.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
struct mca_pml_ob1_recv_request_t {
mca_pml_base_recv_request_t req_recv;
ompi_ptr_t req_send;
#if OMPI_HAVE_THREAD_SUPPORT
volatile int32_t req_lock;
#else
int32_t req_lock;
#endif
size_t req_pipeline_depth;
size_t req_bytes_received;
size_t req_bytes_delivered;
size_t req_rdma_offset;
mca_pml_ob1_rdma_btl_t req_rdma[MCA_PML_OB1_MAX_RDMA_PER_REQUEST];
uint32_t req_rdma_cnt;
uint32_t req_rdma_idx;
};
typedef struct mca_pml_ob1_recv_request_t mca_pml_ob1_recv_request_t;
OBJ_CLASS_DECLARATION(mca_pml_ob1_recv_request_t);
/**
* Allocate a recv request from the modules free list.
*
* @param rc (OUT) OMPI_SUCCESS or error status on failure.
* @return Receive request.
*/
#define MCA_PML_OB1_RECV_REQUEST_ALLOC(recvreq, rc) \
do { \
ompi_free_list_item_t* item; \
rc = OMPI_SUCCESS; \
OMPI_FREE_LIST_GET(&mca_pml_ob1.recv_requests, item, rc); \
recvreq = (mca_pml_ob1_recv_request_t*)item; \
} while(0)
/**
* Initialize a receive request with call parameters.
*
* @param request (IN) Receive request.
* @param addr (IN) User buffer.
* @param count (IN) Number of elements of indicated datatype.
* @param datatype (IN) User defined datatype.
* @param src (IN) Source rank w/in the communicator.
* @param tag (IN) User defined tag.
* @param comm (IN) Communicator.
* @param persistent (IN) Is this a ersistent request.
*/
#define MCA_PML_OB1_RECV_REQUEST_INIT( request, \
addr, \
count, \
datatype, \
src, \
tag, \
comm, \
persistent) \
do { \
MCA_PML_BASE_RECV_REQUEST_INIT( &(request)->req_recv, \
addr, \
count, \
datatype, \
src, \
tag, \
comm, \
persistent); \
} while(0)
/**
* Mark the request as completed at MPI level for internal purposes.
*
* @param recvreq (IN) Receive request.
*/
#define MCA_PML_OB1_RECV_REQUEST_MPI_COMPLETE( recvreq ) \
do { \
PERUSE_TRACE_COMM_EVENT( PERUSE_COMM_REQ_COMPLETE, \
&(recvreq->req_recv.req_base), PERUSE_RECV ); \
MCA_PML_BASE_REQUEST_MPI_COMPLETE( &(recvreq->req_recv.req_base.req_ompi) ); \
} while (0)
/**
* Return a recv request to the modules free list.
*
* @param recvreq (IN) Receive request.
*/
#define MCA_PML_OB1_RECV_REQUEST_PML_COMPLETE(recvreq) \
do { \
size_t r; \
\
assert( false == recvreq->req_recv.req_base.req_pml_complete ); \
\
PERUSE_TRACE_COMM_EVENT( PERUSE_COMM_REQ_XFER_END, \
&(recvreq->req_recv.req_base), PERUSE_RECV ); \
\
for( r = 0; r < recvreq->req_rdma_cnt; r++ ) { \
mca_mpool_base_registration_t* btl_reg = recvreq->req_rdma[r].btl_reg; \
if( NULL != btl_reg ) { \
btl_reg->mpool->mpool_release( btl_reg->mpool, btl_reg ); \
} \
} \
recvreq->req_rdma_cnt = 0; \
\
OPAL_THREAD_LOCK(&ompi_request_lock); \
\
if( true == recvreq->req_recv.req_base.req_free_called ) { \
MCA_PML_OB1_RECV_REQUEST_RETURN( recvreq ); \
} else { \
/* initialize request status */ \
recvreq->req_recv.req_base.req_pml_complete = true; \
recvreq->req_recv.req_base.req_ompi.req_status._count = \
(recvreq->req_bytes_received < recvreq->req_bytes_delivered ? \
recvreq->req_bytes_received : recvreq->req_bytes_delivered); \
MCA_PML_OB1_RECV_REQUEST_MPI_COMPLETE( recvreq ); \
} \
OPAL_THREAD_UNLOCK(&ompi_request_lock); \
} while(0)
/*
* Free the PML receive request
*/
#define MCA_PML_OB1_RECV_REQUEST_RETURN(recvreq) \
{ \
MCA_PML_BASE_RECV_REQUEST_FINI(&(recvreq)->req_recv); \
OMPI_FREE_LIST_RETURN( &mca_pml_ob1.recv_requests, \
(ompi_free_list_item_t*)(recvreq)); \
}
/**
* Attempt to match the request against the unexpected fragment list
* for all source ranks w/in the communicator.
*
* @param request (IN) Request to match.
*/
void mca_pml_ob1_recv_request_match_wild(mca_pml_ob1_recv_request_t* request);
/**
* Attempt to match the request against the unexpected fragment list
* for a specific source rank.
*
* @param request (IN) Request to match.
*/
void mca_pml_ob1_recv_request_match_specific(mca_pml_ob1_recv_request_t* request);
/**
* Initialize diagnostic code for tracing rdma protocol timing
*/
/**
* Start an initialized request.
*
* @param request Receive request.
* @return OMPI_SUCESS or error status on failure.
*/
#define MCA_PML_OB1_RECV_REQUEST_START(request) \
do { \
/* init/re-init the request */ \
(request)->req_bytes_received = 0; \
(request)->req_bytes_delivered = 0; \
(request)->req_lock = 0; \
(request)->req_pipeline_depth = 0; \
(request)->req_rdma_idx = 0; \
\
MCA_PML_BASE_RECV_START( &(request)->req_recv.req_base ); \
\
/* attempt to match posted recv */ \
if((request)->req_recv.req_base.req_peer == OMPI_ANY_SOURCE) { \
mca_pml_ob1_recv_request_match_wild(request); \
} else { \
mca_pml_ob1_recv_request_match_specific(request); \
} \
} while (0)
/**
*
*/
#define MCA_PML_OB1_RECV_REQUEST_MATCHED( request, hdr ) \
do { \
(request)->req_recv.req_base.req_ompi.req_status.MPI_TAG = (hdr)->hdr_tag; \
(request)->req_recv.req_base.req_ompi.req_status.MPI_SOURCE = (hdr)->hdr_src; \
\
PERUSE_TRACE_COMM_EVENT( PERUSE_COMM_MSG_MATCH_POSTED_REQ, \
&((request)->req_recv.req_base), PERUSE_RECV ); \
\
if((request)->req_recv.req_bytes_packed != 0) { \
ompi_convertor_copy_and_prepare_for_recv( \
(request)->req_recv.req_base.req_proc->proc_convertor, \
(request)->req_recv.req_base.req_datatype, \
(request)->req_recv.req_base.req_count, \
(request)->req_recv.req_base.req_addr, \
0, \
&(request)->req_recv.req_convertor ); \
ompi_convertor_get_unpacked_size( &(request)->req_recv.req_convertor, \
&(request)->req_bytes_delivered ); \
} \
PERUSE_TRACE_COMM_EVENT (PERUSE_COMM_REQ_XFER_BEGIN, \
&(recvreq->req_recv.req_base), PERUSE_RECV); \
} while (0)
/**
*
*/
#define MCA_PML_OB1_RECV_REQUEST_UNPACK( \
request, \
segments, \
num_segments, \
seg_offset, \
data_offset, \
bytes_received, \
bytes_delivered) \
do { \
if(request->req_recv.req_bytes_packed > 0) { \
struct iovec iov[MCA_BTL_DES_MAX_SEGMENTS]; \
uint32_t iov_count = 0; \
size_t max_data = bytes_received; \
int32_t free_after = 0; \
size_t n, offset = seg_offset; \
\
for(n=0; n<num_segments; n++) { \
mca_btl_base_segment_t* segment = segments+n; \
if(offset >= segment->seg_len) { \
offset -= segment->seg_len; \
} else { \
iov[iov_count].iov_len = segment->seg_len - seg_offset; \
iov[iov_count].iov_base = (void*)((unsigned char*)segment->seg_addr.pval + seg_offset); \
iov_count++; \
} \
} \
ompi_convertor_set_position( \
&(request->req_recv.req_convertor), \
&data_offset); \
ompi_convertor_unpack( \
&(request)->req_recv.req_convertor, \
iov, \
&iov_count, \
&max_data, \
&free_after); \
bytes_delivered = max_data; \
} else { \
bytes_delivered = 0; \
} \
} while (0)
/**
*
*/
void mca_pml_ob1_recv_request_progress(
mca_pml_ob1_recv_request_t* req,
struct mca_btl_base_module_t* btl,
mca_btl_base_segment_t* segments,
size_t num_segments);
/**
*
*/
void mca_pml_ob1_recv_request_matched_probe(
mca_pml_ob1_recv_request_t* req,
struct mca_btl_base_module_t* btl,
mca_btl_base_segment_t* segments,
size_t num_segments);
/**
*
*/
void mca_pml_ob1_recv_request_schedule(
mca_pml_ob1_recv_request_t* req);
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif
|
