| /* 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 */ |