1/* OpenACC Runtime - internal declarations 2 3 Copyright (C) 2013-2020 Free Software Foundation, Inc. 4 5 Contributed by Mentor Embedded. 6 7 This file is part of the GNU Offloading and Multi Processing Library 8 (libgomp). 9 10 Libgomp is free software; you can redistribute it and/or modify it 11 under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3, or (at your option) 13 any later version. 14 15 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY 16 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 17 FOR A PARTICULAR PURPOSE. See the GNU General Public License for 18 more details. 19 20 Under Section 7 of GPL version 3, you are granted additional 21 permissions described in the GCC Runtime Library Exception, version 22 3.1, as published by the Free Software Foundation. 23 24 You should have received a copy of the GNU General Public License and 25 a copy of the GCC Runtime Library Exception along with this program; 26 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 27 <http://www.gnu.org/licenses/>. */ 28 29/* This file contains data types and function declarations that are not 30 part of the official OpenACC user interface. There are declarations 31 in here that are part of the GNU OpenACC ABI, in that the compiler is 32 required to know about them and use them. 33 34 The convention is that the all caps prefix "GOACC" is used group items 35 that are part of the external ABI, and the lower case prefix "goacc" 36 is used group items that are completely private to the library. */ 37 38#ifndef OACC_INT_H 39#define OACC_INT_H 1 40 41#include "openacc.h" 42#include "config.h" 43#include "acc_prof.h" 44#include <stddef.h> 45#include <stdbool.h> 46#include <stdarg.h> 47 48#ifdef HAVE_ATTRIBUTE_VISIBILITY 49# pragma GCC visibility push(hidden) 50#endif 51 52static inline enum acc_device_t 53acc_device_type (enum offload_target_type type) 54{ 55 return (enum acc_device_t) type; 56} 57 58struct goacc_thread 59{ 60 /* The base device for the current thread. */ 61 struct gomp_device_descr *base_dev; 62 63 /* The device for the current thread. */ 64 struct gomp_device_descr *dev; 65 66 struct gomp_device_descr *saved_bound_dev; 67 68 /* This is a linked list of data mapped by the "acc data" pragma, following 69 strictly push/pop semantics according to lexical scope. */ 70 struct target_mem_desc *mapped_data; 71 72 /* Data of the OpenACC Profiling Interface. */ 73 acc_prof_info *prof_info; 74 acc_api_info *api_info; 75 /* Per-thread toggle of OpenACC Profiling Interface callbacks. */ 76 bool prof_callbacks_enabled; 77 78 /* These structures form a list: this is the next thread in that list. */ 79 struct goacc_thread *next; 80 81 /* Target-specific data (used by plugin). */ 82 void *target_tls; 83}; 84 85#ifdef __AMDGCN__ 86static inline struct goacc_thread * 87goacc_thread (void) 88{ 89 /* Unused in the offload libgomp for OpenACC: return a dummy value. */ 90 return 0; 91} 92#elif defined HAVE_TLS || defined USE_EMUTLS 93extern __thread struct goacc_thread *goacc_tls_data; 94static inline struct goacc_thread * 95goacc_thread (void) 96{ 97 return goacc_tls_data; 98} 99#else 100extern pthread_key_t goacc_tls_key; 101static inline struct goacc_thread * 102goacc_thread (void) 103{ 104 return pthread_getspecific (goacc_tls_key); 105} 106#endif 107 108void goacc_register (struct gomp_device_descr *) __GOACC_NOTHROW; 109void goacc_attach_host_thread_to_device (int); 110void goacc_runtime_initialize (void); 111void goacc_save_and_set_bind (acc_device_t); 112void goacc_restore_bind (void); 113void goacc_lazy_initialize (void); 114void goacc_host_init (void); 115 116void goacc_wait (int, int, va_list *); 117void goacc_init_asyncqueues (struct gomp_device_descr *); 118bool goacc_fini_asyncqueues (struct gomp_device_descr *); 119void goacc_async_free (struct gomp_device_descr *, struct goacc_asyncqueue *, 120 void *); 121struct goacc_asyncqueue *get_goacc_asyncqueue (int); 122struct goacc_asyncqueue *lookup_goacc_asyncqueue (struct goacc_thread *, bool, 123 int); 124static inline bool 125async_valid_stream_id_p (int async) 126{ 127 return async >= 0; 128} 129 130static inline bool 131async_valid_p (int async) 132{ 133 return (async == acc_async_noval || async == acc_async_sync 134 || async_valid_stream_id_p (async)); 135} 136 137static inline bool 138async_synchronous_p (int async) 139{ 140 if (!async_valid_p (async)) 141 return true; 142 143 return async == acc_async_sync; 144} 145 146 147extern bool goacc_prof_enabled; 148/* Tune for the (very common) case that profiling is not enabled. */ 149#define GOACC_PROF_ENABLED \ 150 (__builtin_expect (__atomic_load_n (&goacc_prof_enabled, \ 151 MEMMODEL_ACQUIRE) == true, false)) 152 153void goacc_profiling_initialize (void); 154bool _goacc_profiling_dispatch_p (bool); 155/* Tune for the (very common) case that profiling is not enabled. */ 156#define GOACC_PROFILING_DISPATCH_P(...) \ 157 (GOACC_PROF_ENABLED \ 158 && _goacc_profiling_dispatch_p (__VA_ARGS__)) 159bool _goacc_profiling_setup_p (struct goacc_thread *, 160 acc_prof_info *, acc_api_info *); 161/* Tune for the (very common) case that profiling is not enabled. */ 162#define GOACC_PROFILING_SETUP_P(...) \ 163 (GOACC_PROFILING_DISPATCH_P (false) \ 164 && _goacc_profiling_setup_p (__VA_ARGS__)) 165void goacc_profiling_dispatch (acc_prof_info *, acc_event_info *, 166 acc_api_info *); 167 168#ifdef HAVE_ATTRIBUTE_VISIBILITY 169# pragma GCC visibility pop 170#endif 171 172#endif 173