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 const int DISK_MMC_MAJOR = 179;
25 const int MAX_SCSI_VOLUMES = 15;
26 const std::string MMC_MAX_VOLUMES_PATH = "/sys/module/mmcblk/parameters/perdev_minors";
27 
28 int CreateDiskNode(const std::string &path, dev_t dev);
29 int DestroyDiskNode(const std::string &path);
30 int GetDevSize(const std::string &path, uint64_t *size);
31 int GetMaxVolume(dev_t device);
32 int32_t ReadMetadata(const std::string &path, std::string &uuid, std::string &type, std::string &label);
33 std::string GetBlkidData(const std::string &devPath, const std::string &type);
34 std::string GetBlkidDataByCmd(std::vector<std::string> &cmd);
35 std::string GetAnonyString(const std::string &value);
36 } // namespace STORAGE_DAEMON
37 } // namespace OHOS
38 
39 #endif // STORAGE_DAEMON_UTILS_DISK_H