0fb39f6e69
This change allows init to ensure that a specified virtio-console device file (`/dev/hvc*`) is available before `ueventd` coldboot. Times out if device path is not encountered within 10 seconds. Bug: 325538592 Test: build bertha_x86_64 and bertha_arm64 Change-Id: Ia1512e69ea607bf4d235595caa53668e2dac500c
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <memory>
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#include <set>
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#include <string>
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#include "devices.h"
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#include "uevent_listener.h"
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namespace android {
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namespace init {
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// TODO: should this be renamed to FirstStageDevInitialize?
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class BlockDevInitializer final {
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public:
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BlockDevInitializer();
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bool InitDeviceMapper();
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bool InitDmUser(const std::string& name);
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bool InitDevices(std::set<std::string> devices);
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bool InitDmDevice(const std::string& device);
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bool InitPlatformDevice(const std::string& device);
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bool InitHvcDevice(const std::string& device);
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private:
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ListenerAction HandleUevent(const Uevent& uevent, std::set<std::string>* devices);
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bool InitMiscDevice(const std::string& name);
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bool InitDevice(const std::string& syspath, const std::string& device);
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std::unique_ptr<DeviceHandler> device_handler_;
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UeventListener uevent_listener_;
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};
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} // namespace init
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} // namespace android
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