uio.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/poll.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/idr.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/kobject.h>
#include <linux/cdev.h>
#include <linux/uio_driver.h>

Go to the source code of this file.

Data Structures
struct	uio_device
struct	uio_map
struct	map_sysfs_entry
struct	uio_portio
struct	portio_sysfs_entry
struct	uio_listener

Macros
#define	UIO_MAX_DEVICES   (1U << MINORBITS)
#define	to_map(map)   container_of(map, struct uio_map, kobj)
#define	to_portio(portio)   container_of(portio, struct uio_portio, kobj)

Functions
void	uio_event_notify (struct uio_info *info)
	EXPORT_SYMBOL_GPL (uio_event_notify)
int	__uio_register_device (struct module *owner, struct device *parent, struct uio_info *info)
	EXPORT_SYMBOL_GPL (__uio_register_device)
void	uio_unregister_device (struct uio_info *info)
	EXPORT_SYMBOL_GPL (uio_unregister_device)

Macro Definition Documentation

#define to_map

(

map

)

container_of(map, struct uio_map, kobj)

Definition at line 60 of file uio.c.

#define to_portio

(

portio

)

container_of(portio, struct uio_portio, kobj)

Definition at line 143 of file uio.c.

#define UIO_MAX_DEVICES   (1U << MINORBITS)

Definition at line 29 of file uio.c.

Function Documentation

int __uio_register_device	(	struct module *	owner,
		struct device *	parent,
		struct uio_info *	info
	)

uio_register_device - register a new userspace IO device : module that creates the new device : parent device : UIO device capabilities

returns zero on success or a negative error code.

Definition at line 801 of file uio.c.

EXPORT_SYMBOL_GPL

(

uio_event_notify

)

EXPORT_SYMBOL_GPL

(

__uio_register_device

)

EXPORT_SYMBOL_GPL

(

uio_unregister_device

)

void uio_event_notify

(

struct uio_info *

info

)

uio_event_notify - trigger an interrupt event : UIO device capabilities

Definition at line 407 of file uio.c.

void uio_unregister_device

(

struct uio_info *

info

)

uio_unregister_device - unregister a industrial IO device : UIO device capabilities

Definition at line 870 of file uio.c.