1 /* 2 * Copyright (C) 2020 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 #ifndef ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_2_UTILS_CALLBACKS_H 18 #define ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_2_UTILS_CALLBACKS_H 19 20 #include <android/hardware/neuralnetworks/1.0/IExecutionCallback.h> 21 #include <android/hardware/neuralnetworks/1.0/IPreparedModelCallback.h> 22 #include <android/hardware/neuralnetworks/1.0/types.h> 23 #include <android/hardware/neuralnetworks/1.2/IExecutionCallback.h> 24 #include <android/hardware/neuralnetworks/1.2/IPreparedModelCallback.h> 25 #include <android/hardware/neuralnetworks/1.2/types.h> 26 #include <nnapi/IPreparedModel.h> 27 #include <nnapi/Result.h> 28 #include <nnapi/Types.h> 29 #include <nnapi/hal/1.0/Callbacks.h> 30 #include <nnapi/hal/1.0/ProtectCallback.h> 31 #include <nnapi/hal/CommonUtils.h> 32 #include <nnapi/hal/TransferValue.h> 33 34 // See hardware/interfaces/neuralnetworks/utils/README.md for more information on HIDL interface 35 // lifetimes across processes and for protecting asynchronous calls across HIDL. 36 37 namespace android::hardware::neuralnetworks::V1_2::utils { 38 39 // Converts the results of IDevice::prepareModel* to the NN canonical format. On success, this 40 // function returns with a non-null nn::SharedPreparedModel with a feature level of 41 // nn::kVersionFeatureLevel3. On failure, this function returns with the appropriate 42 // nn::GeneralError. 43 nn::GeneralResult<nn::SharedPreparedModel> prepareModelCallback( 44 V1_0::ErrorStatus status, const sp<IPreparedModel>& preparedModel); 45 46 // Converts the results of IDevice::execute* to the NN canonical format. On success, this function 47 // returns with the output shapes and the timing information. On failure, this function returns with 48 // the appropriate nn::ExecutionError. 49 nn::ExecutionResult<std::pair<std::vector<nn::OutputShape>, nn::Timing>> executionCallback( 50 V1_0::ErrorStatus status, const hidl_vec<OutputShape>& outputShapes, const Timing& timing); 51 52 // A HIDL callback class to receive the results of IDevice::prepareModel* asynchronously. 53 class PreparedModelCallback final : public IPreparedModelCallback, 54 public hal::utils::IProtectedCallback { 55 public: 56 using Data = nn::GeneralResult<nn::SharedPreparedModel>; 57 58 Return<void> notify(V1_0::ErrorStatus status, 59 const sp<V1_0::IPreparedModel>& preparedModel) override; 60 Return<void> notify_1_2(V1_0::ErrorStatus status, 61 const sp<IPreparedModel>& preparedModel) override; 62 63 void notifyAsDeadObject() override; 64 65 Data get(); 66 67 private: 68 hal::utils::TransferValue<Data> mData; 69 }; 70 71 // A HIDL callback class to receive the results of IDevice::execute_1_2 asynchronously. 72 class ExecutionCallback final : public IExecutionCallback, public hal::utils::IProtectedCallback { 73 public: 74 using Data = nn::ExecutionResult<std::pair<std::vector<nn::OutputShape>, nn::Timing>>; 75 76 Return<void> notify(V1_0::ErrorStatus status) override; 77 Return<void> notify_1_2(V1_0::ErrorStatus status, const hidl_vec<OutputShape>& outputShapes, 78 const Timing& timing) override; 79 80 void notifyAsDeadObject() override; 81 82 Data get(); 83 84 private: 85 hal::utils::TransferValue<Data> mData; 86 }; 87 88 } // namespace android::hardware::neuralnetworks::V1_2::utils 89 90 #endif // ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_2_UTILS_CALLBACKS_H 91