StarPU Internal Handbook
driver_cpu.h
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1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2008-2022 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4  *
5  * StarPU is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU Lesser General Public License as published by
7  * the Free Software Foundation; either version 2.1 of the License, or (at
8  * your option) any later version.
9  *
10  * StarPU is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13  *
14  * See the GNU Lesser General Public License in COPYING.LGPL for more details.
15  */
16 
17 #ifndef __DRIVER_CPU_H__
18 #define __DRIVER_CPU_H__
19 
22 #include <core/workers.h>
23 #include <common/config.h>
24 #include <datawizard/node_ops.h>
25 
26 #pragma GCC visibility push(hidden)
27 
28 void _starpu_cpu_preinit(void);
29 
30 extern struct _starpu_driver_ops _starpu_driver_cpu_ops;
31 extern struct _starpu_node_ops _starpu_driver_cpu_node_ops;
32 
33 /* Reserve one CPU core as busy for starting a driver thread */
34 void _starpu_cpu_busy_cpu(unsigned num);
35 
36 void _starpu_init_cpu_config(struct _starpu_machine_topology *topology, struct _starpu_machine_config *config);
37 void _starpu_cpu_init_worker_binding(struct _starpu_machine_config *config, int no_mp_config STARPU_ATTRIBUTE_UNUSED, struct _starpu_worker *workerarg);
38 void _starpu_cpu_init_worker_memory(struct _starpu_machine_config *config, int no_mp_config STARPU_ATTRIBUTE_UNUSED, struct _starpu_worker *workerarg);
39 
40 void *_starpu_cpu_worker(void *);
41 
42 int _starpu_cpu_copy_interface(starpu_data_handle_t handle, void *src_interface, unsigned src_node, void *dst_interface, unsigned dst_node, struct _starpu_data_request *req);
43 int _starpu_cpu_copy_data(uintptr_t src_ptr, size_t src_offset, unsigned src_node, uintptr_t dst_ptr, size_t dst_offset, unsigned dst_node, size_t ssize, struct _starpu_async_channel *async_channel);
44 
45 int _starpu_cpu_is_direct_access_supported(unsigned node, unsigned handling_node);
46 uintptr_t _starpu_cpu_malloc_on_node(unsigned dst_node, size_t size, int flags);
47 void _starpu_cpu_free_on_node(unsigned dst_node, uintptr_t addr, size_t size, int flags);
48 
49 #pragma GCC visibility pop
50 
51 #endif // __DRIVER_CPU_H__
Definition: copy_driver.h:71
Definition: drivers.h:26
Definition: workers.h:441
Definition: workers.h:352
Definition: node_ops.h:92
Definition: workers.h:155