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
|
/*
* 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
*
* $HEADER$
*/
#ifndef MCA_BTL_IB_FRAG_H
#define MCA_BTL_IB_FRAG_H
#define MCA_BTL_IB_FRAG_ALIGN (8)
#include "ompi_config.h"
#include "btl_openib.h"
#include <infiniband/verbs.h>
#include "ompi/mca/mpool/openib/mpool_openib.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_btl_openib_frag_t);
struct mca_btl_openib_header_t {
mca_btl_base_tag_t tag;
int16_t credits;
int16_t rdma_credits;
};
typedef struct mca_btl_openib_header_t mca_btl_openib_header_t;
struct mca_btl_openib_footer_t {
#ifdef OMPI_ENABLE_DEBUG
uint32_t seq;
#endif
union {
uint32_t size;
uint8_t buf[4];
} u;
};
typedef struct mca_btl_openib_footer_t mca_btl_openib_footer_t;
typedef enum {
MCA_BTL_OPENIB_CONTROL_NOOP,
MCA_BTL_OPENIB_CONTROL_RDMA
} mca_btl_openib_control_t;
struct mca_btl_openib_control_header_t {
mca_btl_openib_control_t type;
};
typedef struct mca_btl_openib_control_header_t mca_btl_openib_control_header_t;
struct mca_btl_openib_eager_rdma_header_t {
mca_btl_openib_control_header_t control;
ompi_ptr_t rdma_start;
uint32_t rkey;
};
typedef struct mca_btl_openib_eager_rdma_header_t mca_btl_openib_eager_rdma_header_t;
enum mca_btl_openib_frag_type_t {
MCA_BTL_OPENIB_FRAG_EAGER,
MCA_BTL_OPENIB_FRAG_MAX,
MCA_BTL_OPENIB_FRAG_FRAG,
MCA_BTL_OPENIB_FRAG_EAGER_RDMA
};
typedef enum mca_btl_openib_frag_type_t mca_btl_openib_frag_type_t;
/**
* IB send fragment derived type.
*/
struct mca_btl_openib_frag_t {
mca_btl_base_descriptor_t base;
mca_btl_base_segment_t segment;
struct mca_btl_base_endpoint_t *endpoint;
size_t size;
int rc;
mca_btl_openib_frag_type_t type;
union{
struct ibv_recv_wr rd_desc;
struct ibv_send_wr sr_desc;
} wr_desc;
struct ibv_sge sg_entry;
struct ibv_mr *mr;
mca_btl_openib_header_t *hdr;
mca_btl_openib_footer_t *ftr;
mca_mpool_openib_registration_t * openib_reg;
};
typedef struct mca_btl_openib_frag_t mca_btl_openib_frag_t;
OBJ_CLASS_DECLARATION(mca_btl_openib_frag_t);
typedef struct mca_btl_openib_frag_t mca_btl_openib_send_frag_eager_t;
OBJ_CLASS_DECLARATION(mca_btl_openib_send_frag_eager_t);
typedef struct mca_btl_openib_frag_t mca_btl_openib_send_frag_max_t;
OBJ_CLASS_DECLARATION(mca_btl_openib_send_frag_max_t);
typedef struct mca_btl_openib_frag_t mca_btl_openib_send_frag_frag_t;
OBJ_CLASS_DECLARATION(mca_btl_openib_send_frag_frag_t);
typedef struct mca_btl_openib_frag_t mca_btl_openib_recv_frag_eager_t;
OBJ_CLASS_DECLARATION(mca_btl_openib_recv_frag_eager_t);
typedef struct mca_btl_openib_frag_t mca_btl_openib_recv_frag_max_t;
OBJ_CLASS_DECLARATION(mca_btl_openib_recv_frag_max_t);
/*
* Allocate an IB send descriptor
*
*/
#define MCA_BTL_IB_FRAG_ALLOC_EAGER(btl, frag, rc) \
{ \
\
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_WAIT(&((mca_btl_openib_module_t*)btl)->send_free_eager, item, rc); \
frag = (mca_btl_openib_frag_t*) item; \
}
#define MCA_BTL_IB_FRAG_ALLOC_MAX(btl, frag, rc) \
{ \
\
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_WAIT(&((mca_btl_openib_module_t*)btl)->send_free_max, item, rc); \
frag = (mca_btl_openib_frag_t*) item; \
}
#define MCA_BTL_IB_FRAG_ALLOC_FRAG(btl, frag, rc) \
{ \
\
ompi_free_list_item_t *item; \
OMPI_FREE_LIST_WAIT(&((mca_btl_openib_module_t*)btl)->send_free_frag, item, rc); \
frag = (mca_btl_openib_frag_t*) item; \
}
#define MCA_BTL_IB_FRAG_RETURN(btl, frag) \
{ do { \
ompi_free_list_t* my_list; \
switch(frag->type) { \
case MCA_BTL_OPENIB_FRAG_EAGER_RDMA: \
case MCA_BTL_OPENIB_FRAG_EAGER: \
my_list = &btl->send_free_eager; \
break; \
case MCA_BTL_OPENIB_FRAG_MAX: \
my_list = &btl->send_free_max; \
break; \
case MCA_BTL_OPENIB_FRAG_FRAG: \
my_list = &btl->send_free_frag; \
} \
OMPI_FREE_LIST_RETURN(my_list, (ompi_free_list_item_t*)(frag)); \
} while(0); \
}
#define MCA_BTL_IB_FRAG_PROGRESS(frag) \
do { \
switch(frag->wr_desc.sr_desc.opcode) { \
case IBV_WR_SEND: \
if(OMPI_SUCCESS != mca_btl_openib_endpoint_send(frag->endpoint, frag)) { \
BTL_ERROR(("error in posting pending send\n")); \
} \
break; \
case IBV_WR_RDMA_WRITE: \
if(OMPI_SUCCESS != mca_btl_openib_put((mca_btl_base_module_t*) openib_btl, \
frag->endpoint, \
(mca_btl_base_descriptor_t*) frag)) { \
BTL_ERROR(("error in posting pending rdma write\n")); \
} \
break; \
case IBV_WR_RDMA_READ: \
if(OMPI_SUCCESS != mca_btl_openib_get((mca_btl_base_module_t *) openib_btl, \
frag->endpoint, \
(mca_btl_base_descriptor_t*) frag)) { \
BTL_ERROR(("error in posting pending rdma read\n")); \
} \
break; \
default: \
BTL_ERROR(("error in posting pending operation, invalide opcode %d\n", frag->wr_desc.sr_desc.opcode)); \
break; \
} \
} while (0)
struct mca_btl_openib_module_t;
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif
|
