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 STORAGE_DAEMON_UTILS_DISK_H 16 #define STORAGE_DAEMON_UTILS_DISK_H 17 18 #include <string> 19 20 #include <sys/types.h> 21 22 namespace OHOS { 23 namespace StorageDaemon { 24 constexpr int DISK_MMC_MAJOR = 179; 25 constexpr int MAX_SCSI_VOLUMES = 15; 26 27 int CreateDiskNode(const std::string &path, dev_t dev); 28 int DestroyDiskNode(const std::string &path); 29 int GetDevSize(const std::string &path, uint64_t *size); 30 int GetMaxVolume(dev_t device); 31 int32_t ReadMetadata(const std::string &path, std::string &uuid, std::string &type, std::string &label); 32 std::string GetBlkidData(const std::string &devPath, const std::string &type); 33 std::string GetBlkidDataByCmd(std::vector<std::string> &cmd); 34 std::string GetAnonyString(const std::string &value); 35 } // namespace STORAGE_DAEMON 36 } // namespace OHOS 37 38 #endif // STORAGE_DAEMON_UTILS_DISK_H