1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_CORE_ASCEND_RESOURCE_H_ 18 #define MINDSPORE_CCSRC_MINDDATA_DATASET_CORE_ASCEND_RESOURCE_H_ 19 20 #include <memory> 21 #include <string> 22 #include "minddata/dataset/core/device_resource.h" 23 #include "minddata/dataset/core/device_tensor.h" 24 #include "minddata/dataset/core/tensor.h" 25 26 namespace mindspore { 27 namespace dataset { 28 29 class AscendResource : public DeviceResource { 30 public: 31 AscendResource() = default; 32 ~AscendResource() = default; 33 34 Status InitResource(uint32_t device_id) override; 35 36 Status FinalizeResource() override; 37 38 Status Sink(const mindspore::MSTensor &host_input, std::shared_ptr<DeviceTensor> *device_input) override; 39 40 Status Pop(const std::shared_ptr<DeviceTensor> &device_output, std::shared_ptr<Tensor> *host_output) override; 41 42 std::shared_ptr<void> GetInstance() override; 43 44 Status DeviceDataRelease() override; 45 46 void *GetContext() override; 47 48 void *GetStream() override; 49 50 private: 51 std::shared_ptr<void> processor_; 52 }; 53 54 } // namespace dataset 55 } // namespace mindspore 56 57 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_CORE_ASCEND_RESOURCE_H_ 58