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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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102
components/dfs/dfs_v2/include/dfs_fs.h Normal file
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2005-02-22 Bernard The first version.
*/
#ifndef __DFS_FS_H__
#define __DFS_FS_H__
#include <dfs.h>
#include <sys/types.h>
#include <sys/errno.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Pre-declaration */
struct dfs_filesystem;
struct dfs_file;
/* File system operations */
struct dfs_filesystem_ops
{
char *name;
uint32_t flags; /* flags for file system operations */
/* operations for file */
const struct dfs_file_ops *fops;
/* mount and unmount file system */
int (*mount) (struct dfs_filesystem *fs, unsigned long rwflag, const void *data);
int (*unmount) (struct dfs_filesystem *fs);
/* make a file system */
int (*mkfs) (rt_device_t dev_id, const char *fs_name);
int (*statfs) (struct dfs_filesystem *fs, struct statfs *buf);
int (*unlink) (struct dfs_filesystem *fs, const char *pathname);
int (*stat) (struct dfs_filesystem *fs, const char *filename, struct stat *buf);
int (*rename) (struct dfs_filesystem *fs, const char *oldpath, const char *newpath);
};
/* Mounted file system */
struct dfs_filesystem
{
rt_device_t dev_id; /* Attached device */
char *path; /* File system mount point */
const struct dfs_filesystem_ops *ops; /* Operations for file system type */
void *data; /* Specific file system data */
};
/* file system partition table */
struct dfs_partition
{
uint8_t type; /* file system type */
off_t offset; /* partition start offset */
size_t size; /* partition size */
rt_sem_t lock;
};
/* mount table */
struct dfs_mount_tbl
{
const char *device_name;
const char *path;
const char *filesystemtype;
unsigned long rwflag;
const void *data;
};
int dfs_register(const struct dfs_filesystem_ops *ops);
struct dfs_filesystem *dfs_filesystem_lookup(const char *path);
const char *dfs_filesystem_get_mounted_path(struct rt_device *device);
int dfs_filesystem_get_partition(struct dfs_partition *part,
uint8_t *buf,
uint32_t pindex);
int dfs_mount(const char *device_name,
const char *path,
const char *filesystemtype,
unsigned long rwflag,
const void *data);
int dfs_unmount(const char *specialfile);
int dfs_mkfs(const char *fs_name, const char *device_name);
int dfs_statfs(const char *path, struct statfs *buffer);
int dfs_mount_device(rt_device_t dev);
int dfs_unmount_device(rt_device_t dev);
#ifdef __cplusplus
}
#endif
#endif