1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef MISC_INFO_H 16 #define MISC_INFO_H 17 18 #include <iostream> 19 #include <cstdlib> 20 #include <cstdio> 21 #include <unistd.h> 22 23 namespace Updater { 24 constexpr int MAX_COMMAND_SIZE = 32; 25 constexpr int MAX_STATUS_SIZE = 32; 26 constexpr int MAX_UPDATE_SIZE = 768; 27 constexpr int MAX_STAGE_SIZE = 32; 28 constexpr int MAX_FAULTINFO_SIZE = 32; 29 constexpr int MAX_RESERVED_SIZE = 224; 30 31 constexpr int MAX_PARA_SIZE = 32; 32 constexpr int MAX_RESERVED_SIZE_PARA = 224; 33 34 // misc partition offset definition. max size of misc is 2MB, do not overflow. 35 constexpr off_t MISC_BASE_OFFSET = 0; 36 37 constexpr off_t MISC_UPDATE_MESSAGE_OFFSET = MISC_BASE_OFFSET; 38 constexpr off_t MISC_UPDATE_MESSAGE_SIZE = MAX_COMMAND_SIZE + MAX_STATUS_SIZE + MAX_UPDATE_SIZE + 39 MAX_STAGE_SIZE + MAX_FAULTINFO_SIZE + MAX_RESERVED_SIZE; 40 41 constexpr off_t MISC_PARTITION_RECORD_OFFSET = MISC_UPDATE_MESSAGE_OFFSET + MISC_UPDATE_MESSAGE_SIZE; 42 constexpr off_t MISC_PARTITION_RECORD_SIZE = 1024; 43 44 constexpr off_t MISC_RECORD_UPDATE_PARTITIONS_OFFSET = MISC_PARTITION_RECORD_OFFSET + MISC_PARTITION_RECORD_SIZE; 45 constexpr off_t MISC_RECORD_UPDATE_PARTITIONS_SIZE = 256; 46 47 constexpr off_t MISC_UPDATER_PARA_OFFSET = 1024 * 1024; 48 49 struct UpdateMessage { 50 char command[MAX_COMMAND_SIZE]; 51 char status[MAX_STATUS_SIZE]; 52 char update[MAX_UPDATE_SIZE]; 53 char stage[MAX_STAGE_SIZE]; 54 char faultinfo[MAX_FAULTINFO_SIZE]; 55 char reserved[MAX_RESERVED_SIZE]; 56 }; 57 58 struct UpdaterPara { 59 char language[MAX_PARA_SIZE]; 60 char reserved[MAX_RESERVED_SIZE_PARA]; 61 }; 62 63 bool WriteUpdaterMessage(const std::string &path, const UpdateMessage &boot); 64 bool ReadUpdaterMessage(const std::string &path, UpdateMessage &boot); 65 bool WriteUpdaterMiscMsg(const UpdateMessage &boot); 66 bool ReadUpdaterMiscMsg(UpdateMessage &boot); 67 bool WriteUpdaterParaMisc(const UpdaterPara ¶); 68 bool ReadUpdaterParaMisc(UpdaterPara ¶); 69 void ClearUpdaterParaMisc(void); 70 } // Updater 71 #endif /* MISC_INFO_H */ 72