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/* OpenACC Runtime Library User-facing Declarations
Copyright (C) 2013-2022 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_current = -1,
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_radeon = 8,
_ACC_device_hwm,
/* Ensure enumeration is layout compatible with int. */
_ACC_highest = __INT_MAX__,
_ACC_neg = -1
} acc_device_t;
typedef enum acc_device_property_t {
/* Keep in sync with 'libgomp/libgomp-plugin.h:goacc_property'. */
acc_property_memory = 1,
acc_property_free_memory = 2,
acc_property_name = 0x10001,
acc_property_vendor = 0x10002,
acc_property_driver = 0x10003
} acc_device_property_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;
size_t acc_get_property
(int, acc_device_t, acc_device_property_t) __GOACC_NOTHROW;
const char *acc_get_property_string
(int, acc_device_t, acc_device_property_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;
void acc_attach (void **) __GOACC_NOTHROW;
void acc_attach_async (void **, int) __GOACC_NOTHROW;
void acc_detach (void **) __GOACC_NOTHROW;
void acc_detach_async (void **, int) __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;
void acc_detach_finalize (void **) __GOACC_NOTHROW;
void acc_detach_finalize_async (void **, 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 */
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