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 InitDeviceMapper();
33     bool InitDmUser(const std::string& name);
34     bool InitDevices(std::set<std::string> devices);
35     bool InitDmDevice(const std::string& device);
36     bool InitPlatformDevice(const std::string& device);
37 
38   private:
39     ListenerAction HandleUevent(const Uevent& uevent, std::set<std::string>* devices);
40 
41     bool InitMiscDevice(const std::string& name);
42     bool InitDevice(const std::string& syspath, const std::string& device);
43 
44     std::unique_ptr<DeviceHandler> device_handler_;
45     UeventListener uevent_listener_;
46 };
47 
48 }  // namespace init
49 }  // namespace android
50