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btl_smcuda_frag.h
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1 /*
2 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
3 * University Research and Technology
4 * Corporation. All rights reserved.
5 * Copyright (c) 2004-2009 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) 2004-2005 The Regents of the University of California.
11 * All rights reserved.
12 * Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
13 * Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
14 * Copyright (c) 2012 NVIDIA Corporation. All rights reserved.
15 * $COPYRIGHT$
16 *
17 * Additional copyrights may follow
18 *
19 * $HEADER$
20 */
21 /**
22 * @file
23 */
24 #ifndef MCA_BTL_SMCUDA_SEND_FRAG_H
25 #define MCA_BTL_SMCUDA_SEND_FRAG_H
26
27 #include "ompi_config.h"
28 #include "btl_smcuda.h"
29
30
31 #define MCA_BTL_SMCUDA_FRAG_TYPE_MASK ((uintptr_t)0x3)
32 #define MCA_BTL_SMCUDA_FRAG_SEND ((uintptr_t)0x0)
33 #define MCA_BTL_SMCUDA_FRAG_ACK ((uintptr_t)0x1)
34 #define MCA_BTL_SMCUDA_FRAG_PUT ((uintptr_t)0x2)
35 #define MCA_BTL_SMCUDA_FRAG_GET ((uintptr_t)0x3)
36
37 #define MCA_BTL_SMCUDA_FRAG_STATUS_MASK ((uintptr_t)0x4)
38
39 struct mca_btl_smcuda_frag_t;
40
41 struct mca_btl_smcuda_hdr_t {
42 struct mca_btl_smcuda_frag_t *frag;
43 size_t len;
44 int my_smp_rank;
45 mca_btl_base_tag_t tag;
46 };
47 typedef struct mca_btl_smcuda_hdr_t mca_btl_smcuda_hdr_t;
48
49 /**
50 * shared memory send fragment derived type.
51 */
52 struct mca_btl_smcuda_frag_t {
53 mca_btl_base_descriptor_t base;
54 mca_btl_base_segment_t segment;
55 struct mca_btl_base_endpoint_t *endpoint;
56 #if OMPI_CUDA_SUPPORT
57 struct mca_mpool_base_registration_t *registration;
58 #endif /* OMPI_CUDA_SUPPORT */
59 size_t size;
60 /* pointer written to the FIFO, this is the base of the shared memory region */
61 mca_btl_smcuda_hdr_t *hdr;
62 ompi_free_list_t* my_list;
63 };
64 typedef struct mca_btl_smcuda_frag_t mca_btl_smcuda_frag_t;
65 typedef struct mca_btl_smcuda_frag_t mca_btl_smcuda_frag1_t;
66 typedef struct mca_btl_smcuda_frag_t mca_btl_smcuda_frag2_t;
67 typedef struct mca_btl_smcuda_frag_t mca_btl_smcuda_user_t;
68
69
70 OBJ_CLASS_DECLARATION(mca_btl_smcuda_frag_t);
71 OBJ_CLASS_DECLARATION(mca_btl_smcuda_frag1_t);
72 OBJ_CLASS_DECLARATION(mca_btl_smcuda_frag2_t);
73 OBJ_CLASS_DECLARATION(mca_btl_smcuda_user_t);
74
75 #define MCA_BTL_SMCUDA_FRAG_ALLOC_EAGER(frag, rc) \
76 { \
77 ompi_free_list_item_t* item; \
78 OMPI_FREE_LIST_GET(&mca_btl_smcuda_component.sm_frags_eager, item, rc); \
79 frag = (mca_btl_smcuda_frag_t*)item; \
80 }
81
82 #define MCA_BTL_SMCUDA_FRAG_ALLOC_MAX(frag, rc) \
83 { \
84 ompi_free_list_item_t* item; \
85 OMPI_FREE_LIST_GET(&mca_btl_smcuda_component.sm_frags_max, item, rc); \
86 frag = (mca_btl_smcuda_frag_t*)item; \
87 }
88
89 #define MCA_BTL_SMCUDA_FRAG_ALLOC_USER(frag, rc) \
90 { \
91 ompi_free_list_item_t* item; \
92 OMPI_FREE_LIST_GET(&mca_btl_smcuda_component.sm_frags_user, item, rc); \
93 frag = (mca_btl_smcuda_frag_t*)item; \
94 }
95
96
97 #define MCA_BTL_SMCUDA_FRAG_RETURN(frag) \
98 { \
99 OMPI_FREE_LIST_RETURN(frag->my_list, (ompi_free_list_item_t*)(frag)); \
100 }
101 #endif
mca_btl_base_descriptor_t
A descriptor that holds the parameters to a send/put/get operation along w/ a callback routine that i...
Definition: btl.h:275
btl_smcuda.h
mca_mpool_base_registration_t
Definition: mpool.h:44
ompi_free_list_t
Definition: ompi_free_list.h:39
mca_btl_base_endpoint_t
State of ELAN endpoint connection.
Definition: btl_elan_endpoint.h:33
mca_btl_base_segment_t
Describes a region/segment of memory that is addressable by an BTL.
Definition: btl.h:236
mca_btl_smcuda_frag_t
shared memory send fragment derived type.
Definition: btl_smcuda_frag.h:52
OBJ_CLASS_DECLARATION
#define OBJ_CLASS_DECLARATION(NAME)
Declaration for class descriptor.
Definition: opal_object.h:236
mca_btl_smcuda_hdr_t
Definition: btl_smcuda_frag.h:41