50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2022-10-24 flybreak the first version
|
|
*/
|
|
|
|
#ifndef __DFS_TMPFS_H__
|
|
#define __DFS_TMPFS_H__
|
|
|
|
#include <rtthread.h>
|
|
|
|
#define TMPFS_NAME_MAX 32
|
|
#define TMPFS_MAGIC 0x0B0B0B0B
|
|
|
|
#define TMPFS_TYPE_FILE 0x00
|
|
#define TMPFS_TYPE_DIR 0x01
|
|
|
|
struct tmpfs_sb;
|
|
|
|
struct tmpfs_file
|
|
{
|
|
rt_uint32_t type; /* file type */
|
|
char name[TMPFS_NAME_MAX]; /* file name */
|
|
rt_list_t subdirs; /* file subdir list */
|
|
rt_list_t sibling; /* file sibling list */
|
|
struct tmpfs_sb *sb; /* superblock ptr */
|
|
rt_uint8_t *data; /* file date ptr */
|
|
rt_size_t size; /* file size */
|
|
rt_bool_t fre_memory;/* Whether to release memory upon close */
|
|
};
|
|
|
|
|
|
struct tmpfs_sb
|
|
{
|
|
rt_uint32_t magic; /* TMPFS_MAGIC */
|
|
struct tmpfs_file root; /* root dir */
|
|
rt_size_t df_size; /* df size */
|
|
rt_list_t sibling; /* sb sibling list */
|
|
struct rt_spinlock lock; /* tmpfs lock */
|
|
};
|
|
|
|
int dfs_tmpfs_init(void);
|
|
|
|
#endif
|
|
|