147 lines
5.4 KiB
C++
147 lines
5.4 KiB
C++
/* OpenACC Runtime Library User-facing Declarations
|
|
|
|
Copyright (C) 2013-2019 Free Software Foundation, Inc.
|
|
|
|
Contributed by Mentor Embedded.
|
|
|
|
This file is part of the GNU Offloading and Multi Processing Library
|
|
(libgomp).
|
|
|
|
Libgomp is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3, or (at your option)
|
|
any later version.
|
|
|
|
Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
more details.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _OPENACC_H
|
|
#define _OPENACC_H 1
|
|
|
|
/* The OpenACC standard is silent on whether or not including <openacc.h>
|
|
might or must not include other header files. We chose to include
|
|
some. */
|
|
#include <stddef.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103
|
|
# define __GOACC_NOTHROW noexcept
|
|
#elif __cplusplus
|
|
# define __GOACC_NOTHROW throw ()
|
|
#else /* Not C++ */
|
|
# define __GOACC_NOTHROW __attribute__ ((__nothrow__))
|
|
#endif
|
|
|
|
/* Types */
|
|
typedef enum acc_device_t {
|
|
/* Keep in sync with include/gomp-constants.h. */
|
|
acc_device_none = 0,
|
|
acc_device_default = 1,
|
|
acc_device_host = 2,
|
|
/* acc_device_host_nonshm = 3 removed. */
|
|
acc_device_not_host = 4,
|
|
acc_device_nvidia = 5,
|
|
_ACC_device_hwm,
|
|
/* Ensure enumeration is layout compatible with int. */
|
|
_ACC_highest = __INT_MAX__,
|
|
_ACC_neg = -1
|
|
} acc_device_t;
|
|
|
|
typedef enum acc_async_t {
|
|
/* Keep in sync with include/gomp-constants.h. */
|
|
acc_async_noval = -1,
|
|
acc_async_sync = -2
|
|
} acc_async_t;
|
|
|
|
int acc_get_num_devices (acc_device_t) __GOACC_NOTHROW;
|
|
void acc_set_device_type (acc_device_t) __GOACC_NOTHROW;
|
|
acc_device_t acc_get_device_type (void) __GOACC_NOTHROW;
|
|
void acc_set_device_num (int, acc_device_t) __GOACC_NOTHROW;
|
|
int acc_get_device_num (acc_device_t) __GOACC_NOTHROW;
|
|
int acc_async_test (int) __GOACC_NOTHROW;
|
|
int acc_async_test_all (void) __GOACC_NOTHROW;
|
|
void acc_wait (int) __GOACC_NOTHROW;
|
|
void acc_async_wait (int) __GOACC_NOTHROW;
|
|
void acc_wait_async (int, int) __GOACC_NOTHROW;
|
|
void acc_wait_all (void) __GOACC_NOTHROW;
|
|
void acc_async_wait_all (void) __GOACC_NOTHROW;
|
|
void acc_wait_all_async (int) __GOACC_NOTHROW;
|
|
void acc_init (acc_device_t) __GOACC_NOTHROW;
|
|
void acc_shutdown (acc_device_t) __GOACC_NOTHROW;
|
|
#ifdef __cplusplus
|
|
int acc_on_device (int __arg) __GOACC_NOTHROW;
|
|
#else
|
|
int acc_on_device (acc_device_t __arg) __GOACC_NOTHROW;
|
|
#endif
|
|
void *acc_malloc (size_t) __GOACC_NOTHROW;
|
|
void acc_free (void *) __GOACC_NOTHROW;
|
|
/* Some of these would be more correct with const qualifiers, but
|
|
the standard specifies otherwise. */
|
|
void *acc_copyin (void *, size_t) __GOACC_NOTHROW;
|
|
void *acc_present_or_copyin (void *, size_t) __GOACC_NOTHROW;
|
|
void *acc_pcopyin (void *, size_t) __GOACC_NOTHROW;
|
|
void *acc_create (void *, size_t) __GOACC_NOTHROW;
|
|
void *acc_present_or_create (void *, size_t) __GOACC_NOTHROW;
|
|
void *acc_pcreate (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_copyout (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_delete (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_update_device (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_update_self (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_map_data (void *, void *, size_t) __GOACC_NOTHROW;
|
|
void acc_unmap_data (void *) __GOACC_NOTHROW;
|
|
void *acc_deviceptr (void *) __GOACC_NOTHROW;
|
|
void *acc_hostptr (void *) __GOACC_NOTHROW;
|
|
int acc_is_present (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_memcpy_to_device (void *, void *, size_t) __GOACC_NOTHROW;
|
|
void acc_memcpy_from_device (void *, void *, size_t) __GOACC_NOTHROW;
|
|
|
|
/* Finalize versions of copyout/delete functions, specified in OpenACC 2.5. */
|
|
void acc_copyout_finalize (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_copyout_finalize_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_delete_finalize (void *, size_t) __GOACC_NOTHROW;
|
|
void acc_delete_finalize_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
|
|
/* Async functions, specified in OpenACC 2.5. */
|
|
void acc_copyin_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_create_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_copyout_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_delete_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_update_device_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_update_self_async (void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_memcpy_to_device_async (void *, void *, size_t, int) __GOACC_NOTHROW;
|
|
void acc_memcpy_from_device_async (void *, void *, size_t, int) __GOACC_NOTHROW;
|
|
|
|
/* CUDA-specific routines. */
|
|
void *acc_get_current_cuda_device (void) __GOACC_NOTHROW;
|
|
void *acc_get_current_cuda_context (void) __GOACC_NOTHROW;
|
|
void *acc_get_cuda_stream (int) __GOACC_NOTHROW;
|
|
int acc_set_cuda_stream (int, void *) __GOACC_NOTHROW;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
|
|
/* Forwarding function with correctly typed arg. */
|
|
|
|
#pragma acc routine seq
|
|
inline int acc_on_device (acc_device_t __arg) __GOACC_NOTHROW
|
|
{
|
|
return acc_on_device ((int) __arg);
|
|
}
|
|
#endif
|
|
|
|
#endif /* _OPENACC_H */
|