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//
// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_BOOT_CONTROL_ANDROID_H_
#define UPDATE_ENGINE_BOOT_CONTROL_ANDROID_H_
#include <map>
#include <memory>
#include <string>
#include <android/hardware/boot/1.0/IBootControl.h>
#include <liblp/builder.h>
#include "update_engine/common/boot_control.h"
#include "update_engine/common/dynamic_partition_control_interface.h"
#include "update_engine/dynamic_partition_control_android.h"
namespace chromeos_update_engine {
// The Android implementation of the BootControlInterface. This implementation
// uses the libhardware's boot_control HAL to access the bootloader.
class BootControlAndroid : public BootControlInterface {
public:
BootControlAndroid() = default;
~BootControlAndroid() = default;
// Load boot_control HAL implementation using libhardware and
// initializes it. Returns false if an error occurred.
bool Init();
// BootControlInterface overrides.
unsigned int GetNumSlots() const override;
BootControlInterface::Slot GetCurrentSlot() const override;
bool GetPartitionDevice(const std::string& partition_name,
BootControlInterface::Slot slot,
std::string* device) const override;
bool IsSlotBootable(BootControlInterface::Slot slot) const override;
bool MarkSlotUnbootable(BootControlInterface::Slot slot) override;
bool SetActiveBootSlot(BootControlInterface::Slot slot) override;
bool MarkBootSuccessfulAsync(base::Callback<void(bool)> callback) override;
bool IsSlotMarkedSuccessful(BootControlInterface::Slot slot) const override;
DynamicPartitionControlInterface* GetDynamicPartitionControl() override;
private:
::android::sp<::android::hardware::boot::V1_0::IBootControl> module_;
std::unique_ptr<DynamicPartitionControlAndroid> dynamic_control_;
friend class BootControlAndroidTest;
DISALLOW_COPY_AND_ASSIGN(BootControlAndroid);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_BOOT_CONTROL_ANDROID_H_
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