openharmony_kernel_liteos_m/components/fs/vfs/vfs_partition.h

67 lines
2.8 KiB
C

/*
* Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _VFS_PARTITION_H_
#define _VFS_PARTITION_H_
#include "los_compiler.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define MAX_PARTITION_NUM 4
int GetPartIdByPartName(const char *partName);
int GetDevIdByDevName(const char *dev);
struct DeviceDesc *getDeviceList(void);
struct DeviceDesc {
struct FsMap *dFs; /* file system info */
struct DeviceDesc *dNext; /* point to next mount point */
const char *dPath; /* target path, /system, /usr, etc. */
const char *dDev; /* device, "emmc0p0", "emmc0p1", etc. */
void *dData; /* specific file system handle */
const char *dFsType; /* file system type */
int *dLengthArray; /* point to device partitions length array */
int *dAddrArray; /* point to device partitions address array */
int dPartNum; /* number of device partitions */
};
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _VFS_PARTITION_H_ */