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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_AOSP_BOOT_CONTROL_ANDROID_H_
+#define UPDATE_ENGINE_AOSP_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/aosp/dynamic_partition_control_android.h"
+#include "update_engine/common/boot_control.h"
+#include "update_engine/common/dynamic_partition_control_interface.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;
+ std::optional<PartitionDevice> GetPartitionDevice(
+ const std::string& partition_name,
+ uint32_t slot,
+ uint32_t current_slot,
+ bool not_in_payload = false) const override;
+ bool GetPartitionDevice(const std::string& partition_name,
+ BootControlInterface::Slot slot,
+ bool not_in_payload,
+ std::string* device,
+ bool* is_dynamic) 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_AOSP_BOOT_CONTROL_ANDROID_H_