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_0_UTILS_DEVICE_H 18 #define ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_0_UTILS_DEVICE_H 19 20 #include <android/hardware/neuralnetworks/1.0/IDevice.h> 21 #include <nnapi/IBuffer.h> 22 #include <nnapi/IDevice.h> 23 #include <nnapi/OperandTypes.h> 24 #include <nnapi/Result.h> 25 #include <nnapi/Types.h> 26 #include <nnapi/hal/CommonUtils.h> 27 28 #include "nnapi/hal/1.0/ProtectCallback.h" 29 30 #include <functional> 31 #include <memory> 32 #include <optional> 33 #include <string> 34 #include <vector> 35 36 // See hardware/interfaces/neuralnetworks/utils/README.md for more information on HIDL interface 37 // lifetimes across processes and for protecting asynchronous calls across HIDL. 38 39 namespace android::hardware::neuralnetworks::V1_0::utils { 40 41 // Class that adapts V1_0::IDevice to nn::IDevice. 42 class Device final : public nn::IDevice { 43 struct PrivateConstructorTag {}; 44 45 public: 46 static nn::GeneralResult<std::shared_ptr<const Device>> create(std::string name, 47 sp<V1_0::IDevice> device); 48 49 Device(PrivateConstructorTag tag, std::string name, nn::Capabilities capabilities, 50 sp<V1_0::IDevice> device, hal::utils::DeathHandler deathHandler); 51 52 const std::string& getName() const override; 53 const std::string& getVersionString() const override; 54 nn::Version getFeatureLevel() const override; 55 nn::DeviceType getType() const override; 56 const std::vector<nn::Extension>& getSupportedExtensions() const override; 57 const nn::Capabilities& getCapabilities() const override; 58 std::pair<uint32_t, uint32_t> getNumberOfCacheFilesNeeded() const override; 59 60 nn::GeneralResult<void> wait() const override; 61 62 nn::GeneralResult<std::vector<bool>> getSupportedOperations( 63 const nn::Model& model) const override; 64 65 nn::GeneralResult<nn::SharedPreparedModel> prepareModel( 66 const nn::Model& model, nn::ExecutionPreference preference, nn::Priority priority, 67 nn::OptionalTimePoint deadline, const std::vector<nn::SharedHandle>& modelCache, 68 const std::vector<nn::SharedHandle>& dataCache, const nn::CacheToken& token, 69 const std::vector<nn::TokenValuePair>& hints, 70 const std::vector<nn::ExtensionNameAndPrefix>& extensionNameToPrefix) const override; 71 72 nn::GeneralResult<nn::SharedPreparedModel> prepareModelFromCache( 73 nn::OptionalTimePoint deadline, const std::vector<nn::SharedHandle>& modelCache, 74 const std::vector<nn::SharedHandle>& dataCache, 75 const nn::CacheToken& token) const override; 76 77 nn::GeneralResult<nn::SharedBuffer> allocate( 78 const nn::BufferDesc& desc, const std::vector<nn::SharedPreparedModel>& preparedModels, 79 const std::vector<nn::BufferRole>& inputRoles, 80 const std::vector<nn::BufferRole>& outputRoles) const override; 81 82 private: 83 const std::string kName; 84 const std::string kVersionString = "UNKNOWN"; 85 const std::vector<nn::Extension> kExtensions; 86 const nn::Capabilities kCapabilities; 87 const sp<V1_0::IDevice> kDevice; 88 const hal::utils::DeathHandler kDeathHandler; 89 }; 90 91 } // namespace android::hardware::neuralnetworks::V1_0::utils 92 93 #endif // ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_1_0_UTILS_DEVICE_H 94