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NetBSD/sys/dev/keylock.h

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Move the keylock.h header from sys/sys to sys/dev where it really belongs. Add keylock options to the ALL kernel configuration.
2009-08-15 13:43:58 +04:00
/* $NetBSD: keylock.h,v 1.1 2009/08/15 09:43:58 mbalmer Exp $ */
Add support for multi-position electro-mechanical keylocks. An example driver, gpiolock(4), is provided as an example how to interface real hardware. A new securemodel, securemodel_keylock, is provided to show how this can be used to tie keylocks to overall system security. This is experimental code. The diff has been on tech-kern for several weeks. Reviewed by many, kauth(9) integration reviewed by Elad Efrat; approved by tonnerre@ and tron@. Thanks to everyone who provided feedback.
2009-08-15 01:17:21 +04:00
/*
* Copyright (c) 2009 Marc Balmer <marc@msys.ch>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_KEYLOCK_H
#define _SYS_KEYLOCK_H
#define KEYLOCK_ABSENT 0
#define KEYLOCK_TAMPER 1
#define KEYLOCK_OPEN 2
#define KEYLOCK_SEMIOPEN 3
#define KEYLOCK_SEMICLOSE 4
#define KEYLOCK_CLOSE 5
#ifdef _KERNEL
/* Functions for keylock drivers */
extern int keylock_register(void *, int, int (*)(void *));
extern void keylock_unregister(void *, int (*)(void *));
/* Functions to query the keylock state */
extern int keylock_state(void);
extern int keylock_position(void);
extern int keylock_num_positions(void);
#endif
#endif /* _SYS_KEYLOCK_H */