| //===------------ omp_data.cu - OpenMP GPU objects --------------- CUDA -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the data objects used on the GPU device. |
| // |
| //===----------------------------------------------------------------------===// |
| #pragma omp declare target |
| |
| #include "common/allocator.h" |
| #include "common/omptarget.h" |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // global device environment |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| PLUGIN_ACCESSIBLE |
| DeviceEnvironmentTy omptarget_device_environment; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // global data holding OpenMP state information |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // OpenMP will try to call its ctor if we don't add the attribute explicitly |
| [[clang::loader_uninitialized]] omptarget_nvptx_Queue< |
| omptarget_nvptx_ThreadPrivateContext, OMP_STATE_COUNT> |
| omptarget_nvptx_device_State[MAX_SM]; |
| |
| omptarget_nvptx_SimpleMemoryManager omptarget_nvptx_simpleMemoryManager; |
| uint32_t SHARED(usedMemIdx); |
| uint32_t SHARED(usedSlotIdx); |
| |
| // SHARED doesn't work with array so we add the attribute explicitly. |
| [[clang::loader_uninitialized]] uint8_t |
| parallelLevel[MAX_THREADS_PER_TEAM / WARPSIZE]; |
| #pragma omp allocate(parallelLevel) allocator(omp_pteam_mem_alloc) |
| uint16_t SHARED(threadLimit); |
| uint16_t SHARED(threadsInTeam); |
| uint16_t SHARED(nThreads); |
| // Pointer to this team's OpenMP state object |
| omptarget_nvptx_ThreadPrivateContext * |
| SHARED(omptarget_nvptx_threadPrivateContext); |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // The team master sets the outlined parallel function in this variable to |
| // communicate with the workers. Since it is in shared memory, there is one |
| // copy of these variables for each kernel, instance, and team. |
| //////////////////////////////////////////////////////////////////////////////// |
| omptarget_nvptx_WorkFn SHARED(omptarget_nvptx_workFn); |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // OpenMP kernel execution parameters |
| //////////////////////////////////////////////////////////////////////////////// |
| int8_t SHARED(execution_param); |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Scratchpad for teams reduction. |
| //////////////////////////////////////////////////////////////////////////////// |
| void *SHARED(ReductionScratchpadPtr); |
| |
| #pragma omp end declare target |
