1/* 2 * Copyright (C) 2017 The Android Open Source Project 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#define LOG_TAG "android.hardware.neuralnetworks@1.0-impl-hvx" 18 19#include "PreparedModel.h" 20#include <android-base/logging.h> 21#include <thread> 22#include "HexagonUtils.h" 23#include "ValidateHal.h" 24 25namespace android { 26namespace hardware { 27namespace neuralnetworks { 28namespace V1_0 { 29namespace implementation { 30 31PreparedModel::PreparedModel(const Model& neuralNetworksModel, 32 const std::shared_ptr<hexagon::Model>& hexagonModel) 33 : mNeuralNetworksModel(neuralNetworksModel), mHexagonModel(hexagonModel) {} 34 35PreparedModel::~PreparedModel() {} 36 37static void asyncExecute(const std::shared_ptr<hexagon::Model>& model, const Request& request, 38 const sp<IExecutionCallback>& callback) { 39 ErrorStatus status = 40 model->execute(request) == true ? ErrorStatus::NONE : ErrorStatus::GENERAL_FAILURE; 41 Return<void> ret = callback->notify(status); 42 if (!ret.isOk()) { 43 LOG(ERROR) << "Error in callback's return type: " << ret.description(); 44 } 45} 46 47Return<ErrorStatus> PreparedModel::execute(const Request& request, 48 const sp<IExecutionCallback>& callback) { 49 if (callback.get() == nullptr) { 50 LOG(ERROR) << "invalid callback passed to execute"; 51 return ErrorStatus::INVALID_ARGUMENT; 52 } 53 54 if (!nn::validateRequest(request, mNeuralNetworksModel)) { 55 Return<void> ret = callback->notify(ErrorStatus::INVALID_ARGUMENT); 56 if (!ret.isOk()) { 57 LOG(ERROR) << "Error in callback's return type: " << ret.description(); 58 } 59 return ErrorStatus::INVALID_ARGUMENT; 60 } 61 if (!hexagon::isHexagonAvailable()) { 62 Return<void> ret = callback->notify(ErrorStatus::DEVICE_UNAVAILABLE); 63 if (!ret.isOk()) { 64 LOG(ERROR) << "Error in callback's return type: " << ret.description(); 65 } 66 return ErrorStatus::DEVICE_UNAVAILABLE; 67 } 68 69 // TODO: once nnlib hanging issue is resolved, make this function 70 // asynchronous again 71 asyncExecute(mHexagonModel, request, callback); 72 73 return ErrorStatus::NONE; 74} 75 76} // namespace implementation 77} // namespace V1_0 78} // namespace neuralnetworks 79} // namespace hardware 80} // namespace android 81