import RT-Thread@9217865c without bsp, libcpu and components/net
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Zihao Yu
commit
e2376a3709
1414 changed files with 390370 additions and 0 deletions
117
components/dfs/dfs_v2/include/dfs.h
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117
components/dfs/dfs_v2/include/dfs.h
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2005-02-22 Bernard The first version.
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*/
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#ifndef __DFS_H__
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#define __DFS_H__
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dirent.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/statfs.h>
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#include <sys/time.h>
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#include <rtdevice.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef DFS_FILESYSTEMS_MAX
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#define DFS_FILESYSTEMS_MAX 4
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#endif
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#ifndef DFS_FD_MAX
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#define DFS_FD_MAX 16
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#endif
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/*
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* skip stdin/stdout/stderr normally
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*/
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#ifndef DFS_STDIO_OFFSET
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#define DFS_STDIO_OFFSET 3
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#endif
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#ifndef DFS_PATH_MAX
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#define DFS_PATH_MAX DIRENT_NAME_MAX
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#endif
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#ifndef SECTOR_SIZE
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#define SECTOR_SIZE 512
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#endif
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#ifndef DFS_FILESYSTEM_TYPES_MAX
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#define DFS_FILESYSTEM_TYPES_MAX 2
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#endif
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#define DFS_FS_FLAG_DEFAULT 0x00 /* default flag */
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#define DFS_FS_FLAG_FULLPATH 0x01 /* set full path to underlaying file system */
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/* File types */
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#define FT_REGULAR 0 /* regular file */
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#define FT_SOCKET 1 /* socket file */
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#define FT_DIRECTORY 2 /* directory */
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#define FT_USER 3 /* user defined */
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#define FT_DEVICE 4 /* device */
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/* File flags */
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#define DFS_F_OPEN 0x01000000
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#define DFS_F_DIRECTORY 0x02000000
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#define DFS_F_EOF 0x04000000
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#define DFS_F_ERR 0x08000000
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struct dfs_fdtable
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{
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uint32_t maxfd;
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struct dfs_file **fds;
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};
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/* Initialization of dfs */
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int dfs_init(void);
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char *dfs_normalize_path(const char *directory, const char *filename);
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const char *dfs_subdir(const char *directory, const char *filename);
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int fd_is_open(const char *pathname);
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struct dfs_fdtable *dfs_fdtable_get(void);
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void dfs_lock(void);
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void dfs_unlock(void);
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void dfs_file_lock(void);
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void dfs_file_unlock(void);
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void dfs_fm_lock(void);
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void dfs_fm_unlock(void);
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#ifdef DFS_USING_POSIX
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/* FD APIs */
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int fdt_fd_new(struct dfs_fdtable *fdt);
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struct dfs_file *fdt_fd_get(struct dfs_fdtable* fdt, int fd);
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void fdt_fd_release(struct dfs_fdtable* fdt, int fd);
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int fd_new(void);
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int fd_associate(struct dfs_fdtable *fdt, int fd, struct dfs_file *file);
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struct dfs_file *fd_get(int fd);
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int fd_get_fd_index(struct dfs_file *file);
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void fd_release(int fd);
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void fd_init(struct dfs_file *fd);
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struct dfs_fdtable *dfs_fdtable_get(void);
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struct dfs_fdtable *dfs_fdtable_get_global(void);
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#endif /* DFS_USING_POSIX */
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#ifdef __cplusplus
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}
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#endif
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#endif
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104
components/dfs/dfs_v2/include/dfs_file.h
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104
components/dfs/dfs_v2/include/dfs_file.h
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2005-01-26 Bernard The first version.
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*/
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#ifndef __DFS_FILE_H__
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#define __DFS_FILE_H__
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#include <dfs.h>
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#include <dfs_fs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct rt_pollreq;
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struct dfs_file_ops
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{
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int (*open) (struct dfs_file *fd);
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int (*close) (struct dfs_file *fd);
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int (*ioctl) (struct dfs_file *fd, int cmd, void *args);
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int (*read) (struct dfs_file *fd, void *buf, size_t count);
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int (*write) (struct dfs_file *fd, const void *buf, size_t count);
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int (*flush) (struct dfs_file *fd);
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int (*lseek) (struct dfs_file *fd, off_t offset);
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int (*getdents) (struct dfs_file *fd, struct dirent *dirp, uint32_t count);
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int (*poll) (struct dfs_file *fd, struct rt_pollreq *req);
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};
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/* file descriptor */
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#define DFS_FD_MAGIC 0xfdfd
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struct dfs_vnode
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{
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uint16_t type; /* Type (regular or socket) */
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char *path; /* Name (below mount point) */
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char *fullpath; /* Full path is hash key */
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int ref_count; /* Descriptor reference count */
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rt_list_t list; /* The node of vnode hash table */
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struct dfs_filesystem *fs;
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const struct dfs_file_ops *fops;
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uint32_t flags; /* self flags, is dir etc.. */
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size_t size; /* Size in bytes */
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void *data; /* Specific file system data */
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};
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struct dfs_file
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{
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uint16_t magic; /* file descriptor magic number */
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uint32_t flags; /* Descriptor flags */
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int ref_count; /* Descriptor reference count */
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off_t pos; /* Current file position */
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struct dfs_vnode *vnode; /* file node struct */
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void *data; /* Specific fd data */
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};
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struct dfs_mmap2_args
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{
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void *addr;
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size_t length;
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int prot;
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int flags;
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off_t pgoffset;
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void *ret;
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};
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void dfs_vnode_mgr_init(void);
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int dfs_file_is_open(const char *pathname);
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int dfs_file_open(struct dfs_file *fd, const char *path, int flags);
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int dfs_file_close(struct dfs_file *fd);
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int dfs_file_ioctl(struct dfs_file *fd, int cmd, void *args);
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int dfs_file_read(struct dfs_file *fd, void *buf, size_t len);
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int dfs_file_getdents(struct dfs_file *fd, struct dirent *dirp, size_t nbytes);
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int dfs_file_unlink(const char *path);
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int dfs_file_write(struct dfs_file *fd, const void *buf, size_t len);
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int dfs_file_flush(struct dfs_file *fd);
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int dfs_file_lseek(struct dfs_file *fd, off_t offset);
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int dfs_file_stat(const char *path, struct stat *buf);
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int dfs_file_rename(const char *oldpath, const char *newpath);
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int dfs_file_ftruncate(struct dfs_file *fd, off_t length);
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int dfs_file_mmap2(struct dfs_file *fd, struct dfs_mmap2_args *mmap2);
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/* 0x5254 is just a magic number to make these relatively unique ("RT") */
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#define RT_FIOFTRUNCATE 0x52540000U
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#define RT_FIOGETADDR 0x52540001U
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#define RT_FIOMMAP2 0x52540002U
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#ifdef __cplusplus
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}
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#endif
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#endif
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102
components/dfs/dfs_v2/include/dfs_fs.h
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102
components/dfs/dfs_v2/include/dfs_fs.h
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2005-02-22 Bernard The first version.
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*/
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#ifndef __DFS_FS_H__
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#define __DFS_FS_H__
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#include <dfs.h>
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#include <sys/types.h>
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#include <sys/errno.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Pre-declaration */
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struct dfs_filesystem;
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struct dfs_file;
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/* File system operations */
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struct dfs_filesystem_ops
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{
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char *name;
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uint32_t flags; /* flags for file system operations */
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/* operations for file */
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const struct dfs_file_ops *fops;
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/* mount and unmount file system */
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int (*mount) (struct dfs_filesystem *fs, unsigned long rwflag, const void *data);
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int (*unmount) (struct dfs_filesystem *fs);
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/* make a file system */
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int (*mkfs) (rt_device_t dev_id, const char *fs_name);
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int (*statfs) (struct dfs_filesystem *fs, struct statfs *buf);
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int (*unlink) (struct dfs_filesystem *fs, const char *pathname);
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int (*stat) (struct dfs_filesystem *fs, const char *filename, struct stat *buf);
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int (*rename) (struct dfs_filesystem *fs, const char *oldpath, const char *newpath);
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};
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/* Mounted file system */
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struct dfs_filesystem
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{
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rt_device_t dev_id; /* Attached device */
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char *path; /* File system mount point */
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const struct dfs_filesystem_ops *ops; /* Operations for file system type */
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void *data; /* Specific file system data */
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};
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/* file system partition table */
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struct dfs_partition
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{
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uint8_t type; /* file system type */
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off_t offset; /* partition start offset */
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size_t size; /* partition size */
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rt_sem_t lock;
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};
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/* mount table */
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struct dfs_mount_tbl
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{
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const char *device_name;
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const char *path;
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const char *filesystemtype;
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unsigned long rwflag;
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const void *data;
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};
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int dfs_register(const struct dfs_filesystem_ops *ops);
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struct dfs_filesystem *dfs_filesystem_lookup(const char *path);
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const char *dfs_filesystem_get_mounted_path(struct rt_device *device);
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int dfs_filesystem_get_partition(struct dfs_partition *part,
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uint8_t *buf,
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uint32_t pindex);
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int dfs_mount(const char *device_name,
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const char *path,
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const char *filesystemtype,
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unsigned long rwflag,
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const void *data);
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int dfs_unmount(const char *specialfile);
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int dfs_mkfs(const char *fs_name, const char *device_name);
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int dfs_statfs(const char *path, struct statfs *buffer);
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int dfs_mount_device(rt_device_t dev);
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int dfs_unmount_device(rt_device_t dev);
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#ifdef __cplusplus
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}
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#endif
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#endif
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28
components/dfs/dfs_v2/include/dfs_private.h
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28
components/dfs/dfs_v2/include/dfs_private.h
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@ -0,0 +1,28 @@
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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#ifndef DFS_PRIVATE_H__
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#define DFS_PRIVATE_H__
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#include <dfs.h>
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#define DBG_TAG "DFS"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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#define NO_WORKING_DIR "system does not support working directory\n"
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/* extern variable */
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extern const struct dfs_filesystem_ops *filesystem_operation_table[];
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extern struct dfs_filesystem filesystem_table[];
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extern const struct dfs_mount_tbl mount_table[];
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extern char working_directory[];
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#endif
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