StarPU Internal Handbook
copy_driver.h
Go to the documentation of this file.
1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2008-2022 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4  * Copyright (C) 2021 Federal University of Rio Grande do Sul (UFRGS)
5  *
6  * StarPU is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU Lesser General Public License as published by
8  * the Free Software Foundation; either version 2.1 of the License, or (at
9  * your option) any later version.
10  *
11  * StarPU is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14  *
15  * See the GNU Lesser General Public License in COPYING.LGPL for more details.
16  */
17 
18 #ifndef __COPY_DRIVER_H__
19 #define __COPY_DRIVER_H__
20 
23 #ifdef HAVE_AIO_H
24 #include <aio.h>
25 #endif
26 
27 #include <common/config.h>
28 #include <common/list.h>
29 
30 #pragma GCC visibility push(hidden)
31 
32 #ifdef __cplusplus
33 extern "C"
34 {
35 #endif
36 
37 struct _starpu_data_request;
39 
40 enum _starpu_may_alloc
41 {
42  _STARPU_DATAWIZARD_DO_NOT_ALLOC,
43  _STARPU_DATAWIZARD_DO_ALLOC,
44  _STARPU_DATAWIZARD_ONLY_FAST_ALLOC
45 };
46 
47 
49  void *backend_event;
50 );
51 
53 {
54  unsigned memory_node;
55  unsigned node;
56  struct _starpu_disk_backend_event_list * requests;
57 
58  void * ptr;
59  size_t size;
60  starpu_data_handle_t handle;
61 };
62 
66 {
67  char data[40];
68 };
69 
71 {
72  union _starpu_async_channel_event event;
73  const struct _starpu_node_ops *node_ops;
75  struct _starpu_mp_node *polling_node_sender;
76  struct _starpu_mp_node *polling_node_receiver;
79  volatile int starpu_mp_common_finished_receiver;
80 };
81 
82 void _starpu_wake_all_blocked_workers_on_node(unsigned nodeid);
83 
84 int _starpu_driver_copy_data_1_to_1(starpu_data_handle_t handle,
85  struct _starpu_data_replicate *src_replicate,
86  struct _starpu_data_replicate *dst_replicate,
87  unsigned donotread,
88  struct _starpu_data_request *req,
89  enum _starpu_may_alloc may_alloc,
90  enum starpu_is_prefetch prefetch);
91 
92 int _starpu_copy_interface_any_to_any(starpu_data_handle_t handle, void *src_interface, unsigned src_node, void *dst_interface, unsigned dst_node, struct _starpu_data_request *req);
93 
94 unsigned _starpu_driver_test_request_completion(struct _starpu_async_channel *async_channel);
95 void _starpu_driver_wait_request_completion(struct _starpu_async_channel *async_channel);
96 
97 #ifdef __cplusplus
98 }
99 #endif
100 
101 #pragma GCC visibility pop
102 
103 #endif // __COPY_DRIVER_H__
Definition: coherency.h:47
volatile int starpu_mp_common_finished_sender
Definition: copy_driver.h:78
struct _starpu_mp_node * polling_node_sender
Definition: copy_driver.h:75
Definition: copy_driver.h:71
Definition: copy_driver.h:48
Definition: copy_driver.h:53
Definition: copy_driver.h:66
Definition: node_ops.h:92