1 // Copyright (C) 2020 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include <memory> 18 #include <set> 19 #include <string> 20 21 #include "devices.h" 22 #include "uevent_listener.h" 23 24 namespace android { 25 namespace init { 26 27 // TODO: should this be renamed to FirstStageDevInitialize? 28 class BlockDevInitializer final { 29 public: 30 BlockDevInitializer(); 31 32 bool InitBootDevicesFromPartUuid(); 33 bool InitDeviceMapper(); 34 bool InitDmUser(const std::string& name); 35 bool InitDevices(std::set<std::string> devices); 36 bool InitDmDevice(const std::string& device); 37 bool InitPlatformDevice(const std::string& device); 38 bool InitHvcDevice(const std::string& device); 39 40 private: 41 ListenerAction HandleUevent(const Uevent& uevent, std::set<std::string>* devices); 42 43 bool InitMiscDevice(const std::string& name); 44 bool InitDevice(const std::string& syspath, const std::string& device); 45 46 std::unique_ptr<DeviceHandler> device_handler_; 47 UeventListener uevent_listener_; 48 }; 49 50 } // namespace init 51 } // namespace android 52