Source to bsd/sys/reboot.h

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/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1982, 1986, 1988, 1993, 1994
 *	The Regents of the University of California.  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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
 *
 *	@(#)reboot.h	8.3 (Berkeley) 12/13/94
 */

#ifndef	_SYS_REBOOT_H_
#define _SYS_REBOOT_H_

#ifdef	KERNEL_BUILD
#include <mach_kdb.h>
#endif	/* KERNEL_BUILD */

/*
 * Arguments to reboot system call.
 */

#define RB_AUTOBOOT	0	/* flags for system auto-booting itself */

#define RB_ASKNAME	0x01	/* ask for file name to reboot from */
#define RB_SINGLE	0x02	/* reboot to single user only */
#define RB_NOSYNC	0x04	/* dont sync before reboot */
#define RB_KDB		0x04	/* load kernel debugger */
#define RB_HALT		0x08	/* don't reboot, just halt */
#define RB_INITNAME	0x10	/* name given for /etc/init */
#define RB_DFLTROOT	0x20	/* use compiled-in rootdev */
#define RB_ALTBOOT	0x40	/* use /boot.old vs /boot */
#define RB_UNIPROC	0x80	/* don't start slaves */
#define RB_PANIC	0	/* reboot due to panic */
#define RB_BOOT		1	/* reboot due to boot() */

/*
 * Constants for converting boot-style device number to type,
 * adaptor (uba, mba, etc), unit number and partition number.
 * Type (== major device number) is in the low byte
 * for backward compatibility.  Except for that of the "magic
 * number", each mask applies to the shifted value.
 * Format:
 *	 (4) (4) (4) (4)  (8)     (8)
 *	--------------------------------
 *	|MA | AD| CT| UN| PART  | TYPE |
 *	--------------------------------
 */
#define B_ADAPTORSHIFT	24
#define B_ADAPTORMASK	0x0f
#define	B_ADAPTOR(val)		(((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
#define B_CONTROLLERSHIFT	20
#define B_CONTROLLERMASK	0xf
#define	B_CONTROLLER(val)	(((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
#define B_UNITSHIFT	16
#define B_UNITMASK	0xff
#define	B_UNIT(val)		(((val) >> B_UNITSHIFT) & B_UNITMASK)
#define B_PARTITIONSHIFT 8
#define B_PARTITIONMASK	0xff
#define	B_PARTITION(val)	(((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
#define B_TYPESHIFT	0
#define B_TYPEMASK	0xff
#define	B_TYPE(val)		(((val) >> B_TYPESHIFT) & B_TYPEMASK)
#define B_MAGICMASK	0xf0000000
#define B_DEVMAGIC	0xa0000000

#define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
	(((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
	((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
	((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)

#include <machine/reboot.h>

#endif	/* _SYS_REBOOT_H_ */