2008-08-27 17:11:58 +02:00
|
|
|
/*
|
|
|
|
* libudev - interface to udev device information
|
|
|
|
*
|
2009-06-05 23:27:11 +02:00
|
|
|
* Copyright (C) 2008-2009 Kay Sievers <kay.sievers@vrfy.org>
|
2008-08-27 17:11:58 +02:00
|
|
|
*
|
2009-03-26 19:29:36 +01:00
|
|
|
* This library is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
|
|
* License as published by the Free Software Foundation; either
|
|
|
|
* version 2.1 of the License, or (at your option) any later version.
|
2008-08-27 17:11:58 +02:00
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef _LIBUDEV_H_
|
|
|
|
#define _LIBUDEV_H_
|
|
|
|
|
2008-09-06 15:45:31 +02:00
|
|
|
#include <stdarg.h>
|
2008-12-16 14:48:33 +01:00
|
|
|
#include <sys/types.h>
|
2008-09-09 14:06:20 +02:00
|
|
|
#include <sys/stat.h>
|
2008-09-06 15:45:31 +02:00
|
|
|
|
2009-06-08 19:31:07 +02:00
|
|
|
/*
|
|
|
|
* udev - library context
|
|
|
|
*
|
|
|
|
* reads the udev config and system environment
|
|
|
|
* allows custom logging
|
|
|
|
*/
|
2008-09-28 01:34:55 +02:00
|
|
|
struct udev;
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev *udev_ref(struct udev *udev);
|
|
|
|
void udev_unref(struct udev *udev);
|
2009-06-08 19:31:07 +02:00
|
|
|
struct udev *udev_new(void);
|
2009-04-26 13:59:39 +02:00
|
|
|
void udev_set_log_fn(struct udev *udev,
|
2008-08-27 17:11:58 +02:00
|
|
|
void (*log_fn)(struct udev *udev,
|
|
|
|
int priority, const char *file, int line, const char *fn,
|
|
|
|
const char *format, va_list args));
|
2009-04-26 13:59:39 +02:00
|
|
|
int udev_get_log_priority(struct udev *udev);
|
|
|
|
void udev_set_log_priority(struct udev *udev, int priority);
|
|
|
|
const char *udev_get_sys_path(struct udev *udev);
|
|
|
|
const char *udev_get_dev_path(struct udev *udev);
|
|
|
|
void *udev_get_userdata(struct udev *udev);
|
|
|
|
void udev_set_userdata(struct udev *udev, void *userdata);
|
2008-09-25 06:39:29 +02:00
|
|
|
|
2009-06-08 19:31:07 +02:00
|
|
|
/*
|
|
|
|
* udev_list
|
|
|
|
*
|
|
|
|
* access to libudev generated lists
|
|
|
|
*/
|
2008-09-28 01:34:55 +02:00
|
|
|
struct udev_list_entry;
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
|
|
|
|
struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name);
|
|
|
|
const char *udev_list_entry_get_name(struct udev_list_entry *list_entry);
|
|
|
|
const char *udev_list_entry_get_value(struct udev_list_entry *list_entry);
|
2009-06-15 13:22:38 +02:00
|
|
|
/**
|
|
|
|
* udev_list_entry_foreach:
|
|
|
|
* @list_entry: entry to store the current position
|
|
|
|
* @first_entry: first entry to start with
|
|
|
|
*
|
|
|
|
* Helper to iterate over all entries of a list.
|
|
|
|
*/
|
|
|
|
#define udev_list_entry_foreach(list_entry, first_entry) \
|
|
|
|
for (list_entry = first_entry; \
|
|
|
|
list_entry != NULL; \
|
|
|
|
list_entry = udev_list_entry_get_next(list_entry))
|
2008-09-25 13:20:27 +02:00
|
|
|
|
2009-06-08 19:31:07 +02:00
|
|
|
/*
|
|
|
|
* udev_device
|
|
|
|
*
|
|
|
|
* access to sysfs/kernel devices
|
|
|
|
*/
|
2008-09-28 01:34:55 +02:00
|
|
|
struct udev_device;
|
2009-06-08 19:31:07 +02:00
|
|
|
struct udev_device *udev_device_ref(struct udev_device *udev_device);
|
|
|
|
void udev_device_unref(struct udev_device *udev_device);
|
|
|
|
struct udev *udev_device_get_udev(struct udev_device *udev_device);
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
|
|
|
|
struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
|
|
|
|
struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname);
|
2009-06-08 19:31:07 +02:00
|
|
|
/* udev_device_get_parent_*() does not take a reference on the returned device, it is automatically unref'd with the parent */
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
|
2009-06-08 19:31:07 +02:00
|
|
|
struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device,
|
|
|
|
const char *subsystem, const char *devtype);
|
|
|
|
/* retrieve device properties */
|
2009-04-26 13:59:39 +02:00
|
|
|
const char *udev_device_get_devpath(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_subsystem(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_devtype(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_syspath(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_sysname(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_sysnum(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_devnode(struct udev_device *udev_device);
|
|
|
|
struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device);
|
|
|
|
struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key);
|
|
|
|
const char *udev_device_get_driver(struct udev_device *udev_device);
|
|
|
|
dev_t udev_device_get_devnum(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_action(struct udev_device *udev_device);
|
|
|
|
unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device);
|
|
|
|
const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr);
|
2008-08-27 17:11:58 +02:00
|
|
|
|
2009-06-08 19:31:07 +02:00
|
|
|
/*
|
|
|
|
* udev_monitor
|
|
|
|
*
|
|
|
|
* access to kernel uevents and udev events
|
|
|
|
*/
|
2008-09-28 01:34:55 +02:00
|
|
|
struct udev_monitor;
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
|
|
|
|
void udev_monitor_unref(struct udev_monitor *udev_monitor);
|
|
|
|
struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
|
2009-06-08 19:31:07 +02:00
|
|
|
/* kernel and udev generated events over netlink */
|
|
|
|
struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name);
|
|
|
|
/* custom socket (use netlink and filters instead) */
|
|
|
|
struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path);
|
|
|
|
/* bind socket */
|
|
|
|
int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
|
2009-04-26 13:59:39 +02:00
|
|
|
int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
|
|
|
|
struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
|
2009-06-08 19:31:07 +02:00
|
|
|
/* in-kernel socket filters to select messages that get delivered to a listener */
|
|
|
|
int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor,
|
|
|
|
const char *subsystem, const char *devtype);
|
2009-04-26 13:59:39 +02:00
|
|
|
int udev_monitor_filter_update(struct udev_monitor *udev_monitor);
|
|
|
|
int udev_monitor_filter_remove(struct udev_monitor *udev_monitor);
|
2008-08-28 23:05:01 +02:00
|
|
|
|
2009-06-08 19:31:07 +02:00
|
|
|
/*
|
|
|
|
* udev_enumerate
|
|
|
|
*
|
|
|
|
* search sysfs for specific devices and provide a sorted list
|
|
|
|
*/
|
2008-09-28 01:34:55 +02:00
|
|
|
struct udev_enumerate;
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
|
|
|
|
void udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
|
|
|
|
struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate);
|
2009-06-08 19:31:07 +02:00
|
|
|
struct udev_enumerate *udev_enumerate_new(struct udev *udev);
|
|
|
|
/* device properties filter */
|
2009-04-26 13:59:39 +02:00
|
|
|
int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
|
|
|
|
int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
|
|
|
|
int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
|
|
|
|
int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
|
|
|
|
int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value);
|
2009-07-23 00:02:28 +02:00
|
|
|
int udev_enumerate_add_match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname);
|
2009-04-26 13:59:39 +02:00
|
|
|
int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath);
|
2009-06-08 19:31:07 +02:00
|
|
|
/* run enumeration with active filters */
|
2009-04-26 13:59:39 +02:00
|
|
|
int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate);
|
|
|
|
int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate);
|
2009-06-08 19:31:07 +02:00
|
|
|
/* return device list */
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate);
|
2008-09-28 01:34:55 +02:00
|
|
|
|
2009-06-08 19:31:07 +02:00
|
|
|
/*
|
|
|
|
* udev_queue
|
|
|
|
*
|
|
|
|
* access to the currently running udev events
|
|
|
|
*/
|
2008-10-01 09:34:07 +02:00
|
|
|
struct udev_queue;
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue);
|
|
|
|
void udev_queue_unref(struct udev_queue *udev_queue);
|
|
|
|
struct udev *udev_queue_get_udev(struct udev_queue *udev_queue);
|
2009-06-08 19:31:07 +02:00
|
|
|
struct udev_queue *udev_queue_new(struct udev *udev);
|
2009-04-26 13:59:39 +02:00
|
|
|
unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue);
|
|
|
|
unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue);
|
|
|
|
int udev_queue_get_udev_is_active(struct udev_queue *udev_queue);
|
|
|
|
int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue);
|
|
|
|
int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum);
|
2009-05-21 22:22:37 +02:00
|
|
|
int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue,
|
|
|
|
unsigned long long int start, unsigned long long int end);
|
2009-04-26 13:59:39 +02:00
|
|
|
struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue);
|
|
|
|
struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue);
|
2008-08-27 17:11:58 +02:00
|
|
|
#endif
|