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
25 namespace android {
26 namespace hardware {
27 namespace neuralnetworks {
28 namespace V1_0 {
29 namespace implementation {
30
PreparedModel(const Model & neuralNetworksModel,const std::shared_ptr<hexagon::Model> & hexagonModel)31 PreparedModel::PreparedModel(const Model& neuralNetworksModel,
32 const std::shared_ptr<hexagon::Model>& hexagonModel)
33 : mNeuralNetworksModel(neuralNetworksModel), mHexagonModel(hexagonModel) {}
34
~PreparedModel()35 PreparedModel::~PreparedModel() {}
36
asyncExecute(const std::shared_ptr<hexagon::Model> & model,const Request & request,const sp<IExecutionCallback> & callback)37 static 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
execute(const Request & request,const sp<IExecutionCallback> & callback)47 Return<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