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Diffstat (limited to 'aosp/boot_control_android.h')
-rw-r--r-- | aosp/boot_control_android.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/aosp/boot_control_android.h b/aosp/boot_control_android.h new file mode 100644 index 00000000..926023a1 --- /dev/null +++ b/aosp/boot_control_android.h @@ -0,0 +1,78 @@ +// +// 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_ |