1/* 2 * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com> 3 * Copyright (C) 2004-2006 Kay Sievers <kay.sievers@vrfy.org> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License as published by the 7 * Free Software Foundation version 2 of the License. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 * 18 */ 19 20#ifndef UDEV_RULES_H 21#define UDEV_RULES_H 22 23#include "udev.h" 24#include "list.h" 25 26#define PAIRS_MAX 5 27#define RULESFILE_SUFFIX ".rules" 28 29enum key_operation { 30 KEY_OP_UNSET, 31 KEY_OP_MATCH, 32 KEY_OP_NOMATCH, 33 KEY_OP_ADD, 34 KEY_OP_ASSIGN, 35 KEY_OP_ASSIGN_FINAL, 36}; 37 38struct key { 39 enum key_operation operation; 40 size_t val_off; 41}; 42 43struct key_pair { 44 struct key key; 45 size_t key_name_off; 46}; 47 48struct key_pairs { 49 int count; 50 struct key_pair keys[PAIRS_MAX]; 51}; 52 53enum import_type { 54 IMPORT_UNSET, 55 IMPORT_PROGRAM, 56 IMPORT_FILE, 57 IMPORT_PARENT, 58}; 59 60enum escape_type { 61 ESCAPE_UNSET, 62 ESCAPE_NONE, 63 ESCAPE_REPLACE, 64}; 65 66struct udev_rule { 67 struct key action; 68 struct key devpath; 69 struct key kernel; 70 struct key subsystem; 71 struct key driver; 72 struct key_pairs attr; 73 74 struct key kernels; 75 struct key subsystems; 76 struct key drivers; 77 struct key_pairs attrs; 78 79 struct key_pairs env; 80 struct key program; 81 struct key result; 82 struct key import; 83 enum import_type import_type; 84 struct key test; 85 mode_t test_mode_mask; 86 struct key run; 87 struct key wait_for_sysfs; 88 struct key label; 89 struct key goto_label; 90 91 struct key name; 92 struct key symlink; 93 struct key owner; 94 struct key group; 95 mode_t mode; 96 enum key_operation mode_operation; 97 enum escape_type string_escape; 98 99 unsigned int link_priority; 100 unsigned int partitions; 101 unsigned int last_rule:1, 102 ignore_device:1, 103 ignore_remove:1; 104 105 size_t bufsize; 106 char buf[]; 107}; 108 109struct udev_rules { 110 char *buf; 111 size_t bufsize; 112 size_t current; 113 int resolve_names; 114}; 115 116extern int udev_rules_init(struct udev_rules *rules, int resolve_names); 117extern void udev_rules_cleanup(struct udev_rules *rules); 118 119extern void udev_rules_iter_init(struct udev_rules *rules); 120extern struct udev_rule *udev_rules_iter_next(struct udev_rules *rules); 121extern struct udev_rule *udev_rules_iter_label(struct udev_rules *rules, const char *label); 122 123extern int udev_rules_get_name(struct udev_rules *rules, struct udevice *udev); 124extern int udev_rules_get_run(struct udev_rules *rules, struct udevice *udev); 125 126extern void udev_rules_apply_format(struct udevice *udev, char *string, size_t maxsize); 127 128#endif 129