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- /* OpenACC Runtime - internal 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/>. */
- /* This file contains data types and function declarations that are not
- part of the official OpenACC user interface. There are declarations
- in here that are part of the GNU OpenACC ABI, in that the compiler is
- required to know about them and use them.
- The convention is that the all caps prefix "GOACC" is used group items
- that are part of the external ABI, and the lower case prefix "goacc"
- is used group items that are completely private to the library. */
- #ifndef OACC_INT_H
- #define OACC_INT_H 1
- #include "openacc.h"
- #include "config.h"
- #include "acc_prof.h"
- #include <stddef.h>
- #include <stdbool.h>
- #include <stdarg.h>
- #ifdef HAVE_ATTRIBUTE_VISIBILITY
- # pragma GCC visibility push(hidden)
- #endif
- static inline enum acc_device_t
- acc_device_type (enum offload_target_type type)
- {
- return (enum acc_device_t) type;
- }
- struct goacc_thread
- {
- /* The base device for the current thread. */
- struct gomp_device_descr *base_dev;
- /* The device for the current thread. */
- struct gomp_device_descr *dev;
- struct gomp_device_descr *saved_bound_dev;
- /* This is a linked list of data mapped by the "acc data" pragma, following
- strictly push/pop semantics according to lexical scope. */
- struct target_mem_desc *mapped_data;
- /* Data of the OpenACC Profiling Interface. */
- acc_prof_info *prof_info;
- acc_api_info *api_info;
- /* Per-thread toggle of OpenACC Profiling Interface callbacks. */
- bool prof_callbacks_enabled;
- /* These structures form a list: this is the next thread in that list. */
- struct goacc_thread *next;
- /* Target-specific data (used by plugin). */
- void *target_tls;
- };
- #ifdef __AMDGCN__
- static inline struct goacc_thread *
- goacc_thread (void)
- {
- /* Unused in the offload libgomp for OpenACC: return a dummy value. */
- return 0;
- }
- #elif defined HAVE_TLS || defined USE_EMUTLS
- extern __thread struct goacc_thread *goacc_tls_data;
- static inline struct goacc_thread *
- goacc_thread (void)
- {
- return goacc_tls_data;
- }
- #else
- extern pthread_key_t goacc_tls_key;
- static inline struct goacc_thread *
- goacc_thread (void)
- {
- return pthread_getspecific (goacc_tls_key);
- }
- #endif
- void goacc_register (struct gomp_device_descr *) __GOACC_NOTHROW;
- void goacc_attach_host_thread_to_device (int);
- void goacc_runtime_initialize (void);
- void goacc_save_and_set_bind (acc_device_t);
- void goacc_restore_bind (void);
- void goacc_lazy_initialize (void);
- void goacc_host_init (void);
- void goacc_wait (int, int, va_list *);
- void goacc_init_asyncqueues (struct gomp_device_descr *);
- bool goacc_fini_asyncqueues (struct gomp_device_descr *);
- void goacc_async_free (struct gomp_device_descr *, struct goacc_asyncqueue *,
- void *);
- struct goacc_asyncqueue *get_goacc_asyncqueue (int);
- struct goacc_asyncqueue *lookup_goacc_asyncqueue (struct goacc_thread *, bool,
- int);
- static inline bool
- async_valid_stream_id_p (int async)
- {
- return async >= 0;
- }
- static inline bool
- async_valid_p (int async)
- {
- return (async == acc_async_noval || async == acc_async_sync
- || async_valid_stream_id_p (async));
- }
- static inline bool
- async_synchronous_p (int async)
- {
- if (!async_valid_p (async))
- return true;
- return async == acc_async_sync;
- }
- extern bool goacc_prof_enabled;
- /* Tune for the (very common) case that profiling is not enabled. */
- #define GOACC_PROF_ENABLED \
- (__builtin_expect (__atomic_load_n (&goacc_prof_enabled, \
- MEMMODEL_ACQUIRE) == true, false))
- void goacc_profiling_initialize (void);
- bool _goacc_profiling_dispatch_p (bool);
- /* Tune for the (very common) case that profiling is not enabled. */
- #define GOACC_PROFILING_DISPATCH_P(...) \
- (GOACC_PROF_ENABLED \
- && _goacc_profiling_dispatch_p (__VA_ARGS__))
- bool _goacc_profiling_setup_p (struct goacc_thread *,
- acc_prof_info *, acc_api_info *);
- /* Tune for the (very common) case that profiling is not enabled. */
- #define GOACC_PROFILING_SETUP_P(...) \
- (GOACC_PROFILING_DISPATCH_P (false) \
- && _goacc_profiling_setup_p (__VA_ARGS__))
- void goacc_profiling_dispatch (acc_prof_info *, acc_event_info *,
- acc_api_info *);
- #ifdef HAVE_ATTRIBUTE_VISIBILITY
- # pragma GCC visibility pop
- #endif
- #endif
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