| /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| #ifndef TENSORFLOW_CORE_COMMON_RUNTIME_GPU_GPU_ID_MANAGER_H_ |
| #define TENSORFLOW_CORE_COMMON_RUNTIME_GPU_GPU_ID_MANAGER_H_ |
| |
| #include "tensorflow/core/common_runtime/gpu/gpu_id.h" |
| #include "tensorflow/core/lib/core/status.h" |
| |
| namespace tensorflow { |
| |
| // Class that maintains a map from TfGpuId to CudaGpuId, and manages the |
| // translation between them. |
| class GpuIdManager { |
| public: |
| // Adds a mapping from tf_gpu_id to cuda_gpu_id. |
| static Status InsertTfCudaGpuIdPair(TfGpuId tf_gpu_id, CudaGpuId cuda_gpu_id); |
| |
| // Gets the cuda_gpu_id associated with tf_gpu_id. Returns OK if found. |
| static Status TfToCudaGpuId(TfGpuId tf_gpu_id, CudaGpuId* cuda_gpu_id); |
| |
| // Clears the map. Used in unit tests only. |
| static void TestOnlyReset(); |
| }; |
| |
| } // namespace tensorflow |
| |
| #endif // TENSORFLOW_CORE_COMMON_RUNTIME_GPU_GPU_ID_MANAGER_H_ |