/* 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_COMMON_RUNTIME_DMA_HELPER_H_
#define TENSORFLOW_COMMON_RUNTIME_DMA_HELPER_H_

#include "tensorflow/core/framework/tensor.h"

namespace tensorflow {

// For TensorFlow internal use only.
class DMAHelper {
 public:
  static bool CanUseDMA(const Tensor* t) { return t->CanUseDMA(); }
  static const void* base(const Tensor* t) { return t->base<const void>(); }
  static void* base(Tensor* t) { return t->base<void>(); }
  static TensorBuffer* buffer(Tensor* t) { return t->buf_; }
  static const TensorBuffer* buffer(const Tensor* t) { return t->buf_; }
  static void UnsafeSetShape(Tensor* t, const TensorShape& s) {
    t->set_shape(s);
  }
};

}  // namespace tensorflow

#endif  // TENSORFLOW_COMMON_RUNTIME_DMA_HELPER_H_
