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116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
/*
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* udev_rules.h
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*
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* Userspace devfs
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*
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* Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef UDEV_RULES_H
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#define UDEV_RULES_H
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#include "libsysfs/sysfs/libsysfs.h"
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#include "udev.h"
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#include "list.h"
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#define PAIRS_MAX 5
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#define RULEFILE_SUFFIX ".rules"
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enum key_operation {
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KEY_OP_UNSET,
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KEY_OP_MATCH,
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KEY_OP_NOMATCH,
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KEY_OP_ADD,
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KEY_OP_ASSIGN,
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KEY_OP_ASSIGN_FINAL,
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};
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struct key {
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enum key_operation operation;
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size_t val_off;
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};
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struct key_pair {
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struct key key;
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size_t key_name_off;
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};
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struct key_pairs {
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int count;
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struct key_pair keys[PAIRS_MAX];
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};
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enum import_type {
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IMPORT_UNSET,
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IMPORT_PROGRAM,
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IMPORT_FILE,
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IMPORT_PARENT,
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};
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struct udev_rule {
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struct key kernel_name;
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struct key subsystem;
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struct key action;
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struct key devpath;
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struct key bus;
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struct key id;
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struct key driver;
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struct key program;
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struct key result;
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struct key modalias;
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struct key import;
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enum import_type import_type;
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struct key wait_for_sysfs;
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struct key_pairs sysfs;
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struct key_pairs env;
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struct key name;
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struct key symlink;
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struct key run;
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struct key owner;
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struct key group;
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enum key_operation mode_operation;
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mode_t mode;
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unsigned int partitions;
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unsigned int last_rule:1,
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ignore_device:1,
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ignore_remove:1;
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size_t bufsize;
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char buf[];
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};
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struct udev_rules {
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char *buf;
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size_t bufsize;
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size_t current;
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int mapped;
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int resolve_names;
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};
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extern int udev_rules_init(struct udev_rules *rules, int resolve_names);
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extern void udev_rules_close(struct udev_rules *rules);
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extern void udev_rules_iter_init(struct udev_rules *rules);
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extern struct udev_rule *udev_rules_iter_next(struct udev_rules *rules);
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extern int udev_rules_get_name(struct udev_rules *rules, struct udevice *udev, struct sysfs_class_device *class_dev);
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extern int udev_rules_get_run(struct udev_rules *rules, struct udevice *udev, struct sysfs_device *sysfs_device);
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#endif
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