OpenMPI  0.1.1
common_cuda.h
1 /*
2  * Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
3  * University Research and Technology
4  * Corporation. All rights reserved.
5  * Copyright (c) 2004-2005 The University of Tennessee and The University
6  * of Tennessee Research Foundation. All rights
7  * reserved.
8  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
9  * University of Stuttgart. All rights reserved.
10  * Copyright (c) 2004-2006 The Regents of the University of California.
11  * All rights reserved.
12  * Copyright (c) 2011 NVIDIA Corporation. All rights reserved.
13  * $COPYRIGHT$
14  *
15  * Additional copyrights may follow
16  *
17  * $HEADER$
18  */
19 
20 #ifndef OMPI_MCA_COMMON_CUDA_H
21 #define OMPI_MCA_COMMON_CUDA_H
22 #include "ompi/mca/btl/btl.h"
23 
24 #define MEMHANDLE_SIZE 8
25 #define EVTHANDLE_SIZE 8
28  uint64_t memHandle[MEMHANDLE_SIZE];
29  uint64_t evtHandle[EVTHANDLE_SIZE];
30  uint64_t event;
31 };
33 
34 
35 OMPI_DECLSPEC void mca_common_cuda_register(void *ptr, size_t amount, char *msg);
36 
37 OMPI_DECLSPEC void mca_common_cuda_unregister(void *ptr, char *msg);
38 
39 OMPI_DECLSPEC void mca_common_wait_stream_synchronize(mca_mpool_common_cuda_reg_t *rget_reg);
40 
41 OMPI_DECLSPEC int mca_common_cuda_memcpy(void *dst, void *src, size_t amount, char *msg,
42  struct mca_btl_base_descriptor_t *, int *done);
43 
44 OMPI_DECLSPEC int progress_one_cuda_event(struct mca_btl_base_descriptor_t **);
45 
46 OMPI_DECLSPEC int mca_common_cuda_memhandle_matches(mca_mpool_common_cuda_reg_t *new_reg,
48 
49 OMPI_DECLSPEC void mca_common_cuda_construct_event_and_handle(uint64_t **event, void **handle);
50 OMPI_DECLSPEC void mca_common_cuda_destruct_event(uint64_t *event);
51 
52 OMPI_DECLSPEC int cuda_getmemhandle(void *base, size_t, mca_mpool_base_registration_t *newreg,
54 OMPI_DECLSPEC int cuda_ungetmemhandle(void *reg_data, mca_mpool_base_registration_t *reg);
55 OMPI_DECLSPEC int cuda_openmemhandle(void *base, size_t size, mca_mpool_base_registration_t *newreg,
57 OMPI_DECLSPEC int cuda_closememhandle(void *reg_data, mca_mpool_base_registration_t *reg);
58 
59 
60 #endif /* OMPI_MCA_COMMON_CUDA_H */
A descriptor that holds the parameters to a send/put/get operation along w/ a callback routine that i...
Definition: btl.h:275
Structure to represent a single event.
Definition: event_struct.h:87
Definition: common_cuda.h:26
Definition: mpool.h:44
Byte Transfer Layer (BTL)