1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
2 /*
3 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
4 * University Research and Technology
5 * Corporation. All rights reserved.
6 * Copyright (c) 2004-2013 The University of Tennessee and The University
7 * of Tennessee Research Foundation. All rights
8 * reserved.
9 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
10 * University of Stuttgart. All rights reserved.
11 * Copyright (c) 2004-2005 The Regents of the University of California.
12 * All rights reserved.
13 * Copyright (c) 2015 Los Alamos National Security, LLC. All rights
14 * reserved.
15 * $COPYRIGHT$
16 *
17 * Additional copyrights may follow
18 *
19 * $HEADER$
20 */
21 /**
22 * @file
23 */
24 #ifndef MCA_BTL_SELF_SEND_FRAG_H
25 #define MCA_BTL_SELF_SEND_FRAG_H
26
27 #include <sys/types.h>
28 #include "btl_self.h"
29
30
31 /**
32 * shared memory send fragment derived type.
33 */
34 struct mca_btl_self_frag_t {
35 mca_btl_base_descriptor_t base;
36 mca_btl_base_segment_t segments[2];
37 struct mca_btl_base_endpoint_t *endpoint;
38 opal_free_list_t *list;
39 size_t size;
40 unsigned char data[];
41 };
42 typedef struct mca_btl_self_frag_t mca_btl_self_frag_t;
43 typedef struct mca_btl_self_frag_t mca_btl_self_frag_eager_t;
44 typedef struct mca_btl_self_frag_t mca_btl_self_frag_send_t;
45 typedef struct mca_btl_self_frag_t mca_btl_self_frag_rdma_t;
46
47 OBJ_CLASS_DECLARATION(mca_btl_self_frag_eager_t);
48 OBJ_CLASS_DECLARATION(mca_btl_self_frag_send_t);
49 OBJ_CLASS_DECLARATION(mca_btl_self_frag_rdma_t);
50
51 #define MCA_BTL_SELF_FRAG_ALLOC_EAGER(frag) \
52 { \
53 frag = (mca_btl_self_frag_t *) \
54 opal_free_list_get (&mca_btl_self_component.self_frags_eager); \
55 }
56
57
58 #define MCA_BTL_SELF_FRAG_ALLOC_RDMA(frag) \
59 { \
60 frag = (mca_btl_self_frag_t *) \
61 opal_free_list_get (&mca_btl_self_component.self_frags_rdma); \
62 }
63
64 #define MCA_BTL_SELF_FRAG_ALLOC_SEND(frag) \
65 { \
66 frag = (mca_btl_self_frag_t *) \
67 opal_free_list_get (&mca_btl_self_component.self_frags_send); \
68 }
69
70 #define MCA_BTL_SELF_FRAG_RETURN(frag) \
71 { \
72 opal_free_list_return ((frag)->list, (opal_free_list_item_t*)(frag)); \
73 }
74
75 #endif /* MCA_BTL_SELF_SEND_FRAG_H */