OpenMPI 0.1.1

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btl_sm_frag.h
Go to the documentation of this file.
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 * $COPYRIGHT$
15 *
16 * Additional copyrights may follow
17 *
18 * $HEADER$
19 */
20 /**
21 * @file
22 */
23 #ifndef MCA_BTL_SM_SEND_FRAG_H
24 #define MCA_BTL_SM_SEND_FRAG_H
25
26 #include "ompi_config.h"
27 #include "btl_sm.h"
28
29
30 #define MCA_BTL_SM_FRAG_TYPE_MASK ((uintptr_t)0x3)
31 #define MCA_BTL_SM_FRAG_SEND ((uintptr_t)0x0)
32 #define MCA_BTL_SM_FRAG_ACK ((uintptr_t)0x1)
33 #define MCA_BTL_SM_FRAG_PUT ((uintptr_t)0x2)
34 #define MCA_BTL_SM_FRAG_GET ((uintptr_t)0x3)
35
36 #define MCA_BTL_SM_FRAG_STATUS_MASK ((uintptr_t)0x4)
37
38 struct mca_btl_sm_frag_t;
39
40 struct mca_btl_sm_hdr_t {
41 struct mca_btl_sm_frag_t *frag;
42 size_t len;
43 int my_smp_rank;
44 mca_btl_base_tag_t tag;
45 };
46 typedef struct mca_btl_sm_hdr_t mca_btl_sm_hdr_t;
47
48 /**
49 * shared memory send fragment derived type.
50 */
51 struct mca_btl_sm_frag_t {
52 mca_btl_base_descriptor_t base;
53 mca_btl_base_segment_t segment;
54 struct mca_btl_base_endpoint_t *endpoint;
55 size_t size;
56 /* pointer written to the FIFO, this is the base of the shared memory region */
57 mca_btl_sm_hdr_t *hdr;
58 ompi_free_list_t* my_list;
59 };
60 typedef struct mca_btl_sm_frag_t mca_btl_sm_frag_t;
61 typedef struct mca_btl_sm_frag_t mca_btl_sm_frag1_t;
62 typedef struct mca_btl_sm_frag_t mca_btl_sm_frag2_t;
63 typedef struct mca_btl_sm_frag_t mca_btl_sm_user_t;
64
65
66 OBJ_CLASS_DECLARATION(mca_btl_sm_frag_t);
67 OBJ_CLASS_DECLARATION(mca_btl_sm_frag1_t);
68 OBJ_CLASS_DECLARATION(mca_btl_sm_frag2_t);
69 OBJ_CLASS_DECLARATION(mca_btl_sm_user_t);
70
71 #define MCA_BTL_SM_FRAG_ALLOC_EAGER(frag, rc) \
72 { \
73 ompi_free_list_item_t* item; \
74 OMPI_FREE_LIST_GET(&mca_btl_sm_component.sm_frags_eager, item, rc); \
75 frag = (mca_btl_sm_frag_t*)item; \
76 }
77
78 #define MCA_BTL_SM_FRAG_ALLOC_MAX(frag, rc) \
79 { \
80 ompi_free_list_item_t* item; \
81 OMPI_FREE_LIST_GET(&mca_btl_sm_component.sm_frags_max, item, rc); \
82 frag = (mca_btl_sm_frag_t*)item; \
83 }
84
85 #define MCA_BTL_SM_FRAG_ALLOC_USER(frag, rc) \
86 { \
87 ompi_free_list_item_t* item; \
88 OMPI_FREE_LIST_GET(&mca_btl_sm_component.sm_frags_user, item, rc); \
89 frag = (mca_btl_sm_frag_t*)item; \
90 }
91
92
93 #define MCA_BTL_SM_FRAG_RETURN(frag) \
94 { \
95 OMPI_FREE_LIST_RETURN(frag->my_list, (ompi_free_list_item_t*)(frag)); \
96 }
97 #endif
btl_sm.h
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
mca_btl_sm_frag_t
shared memory send fragment derived type.
Definition: btl_sm_frag.h:51
ompi_free_list_t
Definition: ompi_free_list.h:39
mca_btl_sm_hdr_t
Definition: btl_sm_frag.h:40
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
OBJ_CLASS_DECLARATION
#define OBJ_CLASS_DECLARATION(NAME)
Declaration for class descriptor.
Definition: opal_object.h:236