diff options
Diffstat (limited to 'dynamic_partition_control_interface.h')
| -rw-r--r-- | dynamic_partition_control_interface.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/dynamic_partition_control_interface.h b/dynamic_partition_control_interface.h index 12e62e08..32fbbe4a 100644 --- a/dynamic_partition_control_interface.h +++ b/dynamic_partition_control_interface.h @@ -30,15 +30,25 @@ namespace chromeos_update_engine { +struct FeatureFlag { + enum class Value { NONE = 0, RETROFIT, LAUNCH }; + constexpr explicit FeatureFlag(Value value) : value_(value) {} + constexpr bool IsEnabled() const { return value_ != Value::NONE; } + constexpr bool IsRetrofit() const { return value_ == Value::RETROFIT; } + + private: + Value value_; +}; + class DynamicPartitionControlInterface { public: virtual ~DynamicPartitionControlInterface() = default; - // Return true iff dynamic partitions is enabled on this device. - virtual bool IsDynamicPartitionsEnabled() = 0; - - // Return true iff dynamic partitions is retrofitted on this device. - virtual bool IsDynamicPartitionsRetrofit() = 0; + // Return the feature flags of dynamic partitions on this device. + // Return RETROFIT iff dynamic partitions is retrofitted on this device, + // LAUNCH iff this device is launched with dynamic partitions, + // NONE iff dynamic partitions is disabled on this device. + virtual FeatureFlag GetDynamicPartitionsFeatureFlag() = 0; // Map logical partition on device-mapper. // |super_device| is the device path of the physical partition ("super"). |