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//
// Copyright (C) 2018 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_UPDATE_MANAGER_ROLLBACK_PREFS_H_
#define UPDATE_ENGINE_UPDATE_MANAGER_ROLLBACK_PREFS_H_
namespace chromeos_update_manager {
// Value used to represent that kernel key versions can always roll-forward.
// This is the maximum value of a kernel key version.
constexpr int kRollforwardInfinity = 0xfffffffe;
// Whether the device should roll back to the target version, and if yes, which
// type of rollback should it do. Matches chrome_device_policy.proto's
// AutoUpdateSettingsProto::RollbackToTargetVersion.
enum class RollbackToTargetVersion {
kUnspecified = 0,
kDisabled = 1,
kRollbackAndPowerwash = 2,
kRollbackAndRestoreIfPossible = 3,
// This value must be the last entry.
kMaxValue = 4
};
// Whether the device should do rollback and powerwash on channel downgrade.
// Matches chrome_device_policy.proto's
// |AutoUpdateSettingsProto::ChannelDowngradeBehavior|.
enum class ChannelDowngradeBehavior {
kUnspecified = 0,
kWaitForVersionToCatchUp = 1,
kRollback = 2,
kAllowUserToConfigure = 3,
// These values must be kept up to date.
kFirstValue = kUnspecified,
kLastValue = kAllowUserToConfigure
};
} // namespace chromeos_update_manager
#endif // UPDATE_ENGINE_UPDATE_MANAGER_ROLLBACK_PREFS_H_
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