devfs.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2016 Eistec AB
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
9 #pragma once
10 
27 #include "clist.h"
28 #include "vfs.h"
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
37 typedef struct devfs devfs_t;
38 
44 struct devfs {
45  clist_node_t list_entry;
46  const char *path;
47  const vfs_file_ops_t *f_op;
48  void *private_data;
49 };
50 
56 extern const vfs_file_system_t devfs_file_system;
57 
72 int devfs_register(devfs_t *node);
73 
85 int devfs_unregister(devfs_t *node);
86 
87 #ifdef __cplusplus
88 }
89 #endif
90 
clist.h
Circular linked list.
devfs_register
int devfs_register(devfs_t *node)
Register a node in DevFS.
devfs_unregister
int devfs_unregister(devfs_t *node)
Remove a registration from DevFS.
devfs_file_system
const vfs_file_system_t devfs_file_system
DevFS file system driver.
devfs
A device "file" consists of a file name and an opaque pointer to device driver private data.
Definition: devfs.h:44
devfs::private_data
void * private_data
Pointer to device driver specific data.
Definition: devfs.h:48
devfs::path
const char * path
File system relative path to this node.
Definition: devfs.h:46
devfs::f_op
const vfs_file_ops_t * f_op
Pointer to file operations table for this device.
Definition: devfs.h:47
devfs::list_entry
clist_node_t list_entry
List item entry.
Definition: devfs.h:45
list_node
List node structure.
Definition: list.h:39
vfs_file_ops
Operations on open files.
Definition: vfs.h:447
vfs_file_system_t
A file system driver.
Definition: vfs.h:374