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// Copyright (C) 2014 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
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdint.h>
#include <limits>
#include "update_engine/update_metadata.pb.h"
namespace chromeos_update_engine {
// The major version used by Chrome OS.
extern const uint64_t kChromeOSMajorPayloadVersion;
// The major version used by Brillo.
extern const uint64_t kBrilloMajorPayloadVersion;
// The minor version used for all full payloads.
extern const uint32_t kFullPayloadMinorVersion;
// The minor version used by the in-place delta generator algorithm.
extern const uint32_t kInPlaceMinorPayloadVersion;
// The minor version used by the A to B delta generator algorithm.
extern const uint32_t kSourceMinorPayloadVersion;
// The minor version that allows per-operation source hash.
extern const uint32_t kOpSrcHashMinorPayloadVersion;
// The minor version that allows BROTLI_BSDIFF, ZERO and DISCARD operation.
extern const uint32_t kBrotliBsdiffMinorPayloadVersion;
// The minor version that allows PUFFDIFF operation.
extern const uint32_t kPuffdiffMinorPayloadVersion;
// The maximum size of the payload header (anything before the protobuf).
extern const uint64_t kMaxPayloadHeaderSize;
// The kernel and rootfs partition names used by the BootControlInterface when
// handling update payloads with a major version 1. The names of the updated
// partitions are include in the payload itself for major version 2.
extern const char kLegacyPartitionNameKernel[];
extern const char kLegacyPartitionNameRoot[];
extern const char kBspatchPath[];
extern const char kDeltaMagic[4];
// A block number denoting a hole on a sparse file. Used on Extents to refer to
// section of blocks not present on disk on a sparse file.
const uint64_t kSparseHole = std::numeric_limits<uint64_t>::max();
// Return the name of the operation type.
const char* InstallOperationTypeName(InstallOperation_Type op_type);
} // namespace chromeos_update_engine