udev_rules.h revision aa8734ffcb8a895fc8d66ff383cbcf8f4b78f562
/*
* Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UDEV_RULES_H
#define UDEV_RULES_H
#include "udev.h"
#define PAIRS_MAX 5
enum key_operation {
KEY_OP_UNSET,
KEY_OP_MATCH,
KEY_OP_NOMATCH,
KEY_OP_ADD,
KEY_OP_ASSIGN,
KEY_OP_ASSIGN_FINAL,
};
struct key {
enum key_operation operation;
size_t val_off;
};
struct key_pair {
struct key key;
size_t key_name_off;
};
struct key_pairs {
int count;
struct key_pair keys[PAIRS_MAX];
};
enum import_type {
IMPORT_UNSET,
IMPORT_PROGRAM,
IMPORT_FILE,
IMPORT_PARENT,
};
enum escape_type {
ESCAPE_UNSET,
ESCAPE_NONE,
ESCAPE_REPLACE,
};
struct udev_rule {
struct key action;
struct key devpath;
struct key kernel;
struct key subsystem;
struct key driver;
struct key_pairs attr;
struct key kernels;
struct key subsystems;
struct key drivers;
struct key_pairs attrs;
struct key_pairs env;
struct key program;
struct key result;
struct key import;
enum import_type import_type;
struct key test;
mode_t test_mode_mask;
struct key run;
struct key wait_for;
struct key label;
struct key goto_label;
size_t goto_rule_off;
struct key name;
struct key symlink;
struct key symlink_match;
struct key owner;
struct key group;
struct key mode;
enum escape_type string_escape;
unsigned int link_priority;
int event_timeout;
unsigned int partitions;
unsigned int last_rule:1,
run_ignore_error:1,
ignore_device:1,
ignore_remove:1;
size_t bufsize;
char buf[];
};
struct udev_rules {
struct udev *udev;
char *buf;
size_t bufsize;
int resolve_names;
};
struct udev_rules_iter {
struct udev_rules *rules;
size_t current;
};
extern int udev_rules_init(struct udev *udev, struct udev_rules *rules, int resolve_names);
extern void udev_rules_cleanup(struct udev_rules *rules);
extern void udev_rules_iter_init(struct udev_rules_iter *iter, struct udev_rules *rules);
extern struct udev_rule *udev_rules_iter_next(struct udev_rules_iter *iter);
extern struct udev_rule *udev_rules_iter_goto(struct udev_rules_iter *iter, size_t rule_off);
extern int udev_rules_get_name(struct udev_rules *rules, struct udev_event *event);
extern int udev_rules_get_run(struct udev_rules *rules, struct udev_event *event);
extern int udev_rules_run(struct udev_event *event);
extern void udev_rules_apply_format(struct udev_event *event, char *string, size_t maxsize);
#endif