Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/keylock.h
Version:
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1 /* $NetBSD: keylock.h,v 1.1 2009/08/15 09:43:58 mbalmer Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Marc Balmer <marc@msys.ch> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _SYS_KEYLOCK_H 29 #define _SYS_KEYLOCK_H 30 31 #define KEYLOCK_ABSENT 0 32 #define KEYLOCK_TAMPER 1 33 #define KEYLOCK_OPEN 2 34 #define KEYLOCK_SEMIOPEN 3 35 #define KEYLOCK_SEMICLOSE 4 36 #define KEYLOCK_CLOSE 5 37 38 #ifdef _KERNEL 39 /* Functions for keylock drivers */ 40 extern int keylock_register(void *, int, int (*)(void *)); 41 extern void keylock_unregister(void *, int (*)(void *)); 42 43 /* Functions to query the keylock state */ 44 extern int keylock_state(void); 45 extern int keylock_position(void); 46 extern int keylock_num_positions(void); 47 #endif 48 49 #endif /* _SYS_KEYLOCK_H */
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