devfs.h
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1 /*
2  * SPDX-FileCopyrightText: 2016 Eistec AB
3  * SPDX-License-Identifier: LGPL-2.1-only
4  */
5 
6 #pragma once
7 
24 #include "clist.h"
25 #include "vfs.h"
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
34 typedef struct devfs devfs_t;
35 
41 struct devfs {
42  clist_node_t list_entry;
43  const char *path;
44  const vfs_file_ops_t *f_op;
45  void *private_data;
46 };
47 
53 extern const vfs_file_system_t devfs_file_system;
54 
69 int devfs_register(devfs_t *node);
70 
82 int devfs_unregister(devfs_t *node);
83 
84 #ifdef __cplusplus
85 }
86 #endif
87 
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:41
devfs::private_data
void * private_data
Pointer to device driver specific data.
Definition: devfs.h:45
devfs::path
const char * path
File system relative path to this node.
Definition: devfs.h:43
devfs::f_op
const vfs_file_ops_t * f_op
Pointer to file operations table for this device.
Definition: devfs.h:44
devfs::list_entry
clist_node_t list_entry
List item entry.
Definition: devfs.h:42
list_node
List node structure.
Definition: list.h:36
vfs_file_ops
Operations on open files.
Definition: vfs.h:459
vfs_file_system_t
A file system driver.
Definition: vfs.h:386