1 /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #ifndef TENSORFLOW_CORE_COMMON_RUNTIME_DMA_HELPER_H_ 17 #define TENSORFLOW_CORE_COMMON_RUNTIME_DMA_HELPER_H_ 18 19 #include "tensorflow/core/framework/tensor.h" 20 21 namespace tensorflow { 22 23 // For TensorFlow internal use only. 24 class DMAHelper { 25 public: CanUseDMA(const Tensor * t)26 static bool CanUseDMA(const Tensor* t) { return t->CanUseDMA(); } base(const Tensor * t)27 static const void* base(const Tensor* t) { return t->base<const void>(); } base(Tensor * t)28 static void* base(Tensor* t) { return t->base<void>(); } buffer(Tensor * t)29 static TensorBuffer* buffer(Tensor* t) { return t->buf_; } buffer(const Tensor * t)30 static const TensorBuffer* buffer(const Tensor* t) { return t->buf_; } UnsafeSetShape(Tensor * t,const TensorShape & s)31 static void UnsafeSetShape(Tensor* t, const TensorShape& s) { 32 t->set_shape(s); 33 } 34 }; 35 36 } // namespace tensorflow 37 38 #endif // TENSORFLOW_CORE_COMMON_RUNTIME_DMA_HELPER_H_ 39