1 // 2 // Copyright (C) 2014 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef UPDATE_ENGINE_PAYLOAD_CONSUMER_PAYLOAD_CONSTANTS_H_ 18 #define UPDATE_ENGINE_PAYLOAD_CONSUMER_PAYLOAD_CONSTANTS_H_ 19 20 #include <stdint.h> 21 22 #include <limits> 23 24 #include "update_engine/update_metadata.pb.h" 25 26 namespace chromeos_update_engine { 27 28 // The major version used by Chrome OS. 29 // extern const uint64_t kChromeOSMajorPayloadVersion; DEPRECATED 30 31 // The major version used by Brillo. 32 extern const uint64_t kBrilloMajorPayloadVersion; 33 34 // The minimum and maximum supported major version. 35 extern const uint64_t kMinSupportedMajorPayloadVersion; 36 extern const uint64_t kMaxSupportedMajorPayloadVersion; 37 38 // The minor version used for all full payloads. 39 extern const uint32_t kFullPayloadMinorVersion; 40 41 // The minor version used by the in-place delta generator algorithm. 42 // extern const uint32_t kInPlaceMinorPayloadVersion; DEPRECATED 43 44 // The minor version used by the A to B delta generator algorithm. 45 extern const uint32_t kSourceMinorPayloadVersion; 46 47 // The minor version that allows per-operation source hash. 48 extern const uint32_t kOpSrcHashMinorPayloadVersion; 49 50 // The minor version that allows BROTLI_BSDIFF, ZERO and DISCARD operation. 51 extern const uint32_t kBrotliBsdiffMinorPayloadVersion; 52 53 // The minor version that allows PUFFDIFF operation. 54 extern const uint32_t kPuffdiffMinorPayloadVersion; 55 56 // The minor version that allows Verity hash tree and FEC generation. 57 extern const uint32_t kVerityMinorPayloadVersion; 58 59 // The minor version that allows partial update, e.g. kernel only update. 60 extern const uint32_t kPartialUpdateMinorPayloadVersion; 61 62 // The minor version that allows ZUCCHINI operation. 63 extern const uint32_t kZucchiniMinorPayloadVersion; 64 65 // THe minor version that allows LZ4DIFF operation 66 constexpr uint32_t kLZ4DIFFMinorPayloadVersion = 9; 67 68 // The minimum and maximum supported minor version. 69 extern const uint32_t kMinSupportedMinorPayloadVersion; 70 extern const uint32_t kMaxSupportedMinorPayloadVersion; 71 72 // The maximum size of the payload header (anything before the protobuf). 73 extern const uint64_t kMaxPayloadHeaderSize; 74 75 // The kernel and rootfs partition names used by the BootControlInterface when 76 // handling update payloads with a major version 1. The names of the updated 77 // partitions are include in the payload itself for major version 2. 78 extern const char kPartitionNameKernel[]; 79 extern const char kPartitionNameRoot[]; 80 81 extern const char kBspatchPath[]; 82 extern const char kDeltaMagic[4]; 83 84 // A block number denoting a hole on a sparse file. Used on Extents to refer to 85 // section of blocks not present on disk on a sparse file. 86 const uint64_t kSparseHole = std::numeric_limits<uint64_t>::max(); 87 88 // Return the name of the operation type. 89 const char* InstallOperationTypeName(InstallOperation::Type op_type); 90 91 } // namespace chromeos_update_engine 92 93 #endif // UPDATE_ENGINE_PAYLOAD_CONSUMER_PAYLOAD_CONSTANTS_H_ 94