1 /*
2  * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification,
5  * are permitted provided that the following conditions are met:
6  *
7  * 1. Redistributions of source code must retain the above copyright notice, this list of
8  *    conditions and the following disclaimer.
9  *
10  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11  *    of conditions and the following disclaimer in the documentation and/or other materials
12  *    provided with the distribution.
13  *
14  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15  *    to endorse or promote products derived from this software without specific prior written
16  *    permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef _VFS_PARTITION_H_
32 #define _VFS_PARTITION_H_
33 
34 #include "los_compiler.h"
35 
36 #ifdef __cplusplus
37 #if __cplusplus
38 extern "C" {
39 #endif /* __cplusplus */
40 #endif /* __cplusplus */
41 
42 #define MAX_PARTITION_NUM 4
43 
44 int GetPartIdByPartName(const char *partName);
45 int GetDevIdByDevName(const char *dev);
46 struct DeviceDesc *getDeviceList(void);
47 
48 struct DeviceDesc {
49     struct FsMap      *dFs;             /* file system info */
50     struct DeviceDesc *dNext;           /* point to next mount point */
51     const char        *dPath;           /* target path, /system, /usr, etc. */
52     const char        *dDev;            /* device, "emmc0p0", "emmc0p1", etc. */
53     void              *dData;           /* specific file system handle */
54     const char        *dFsType;         /* file system type */
55     int               *dLengthArray;    /* point to device partitions length array */
56     int               *dAddrArray;      /* point to device partitions address array */
57     int                dPartNum;        /* number of device partitions */
58 };
59 
60 #ifdef __cplusplus
61 #if __cplusplus
62 }
63 #endif /* __cplusplus */
64 #endif /* __cplusplus */
65 
66 #endif /* _VFS_PARTITION_H_ */
67