/ duct-tape / xnu / bsd / sys / reboot.h
reboot.h
  1  /*
  2   * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
  3   *
  4   * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  5   *
  6   * This file contains Original Code and/or Modifications of Original Code
  7   * as defined in and that are subject to the Apple Public Source License
  8   * Version 2.0 (the 'License'). You may not use this file except in
  9   * compliance with the License. The rights granted to you under the License
 10   * may not be used to create, or enable the creation or redistribution of,
 11   * unlawful or unlicensed copies of an Apple operating system, or to
 12   * circumvent, violate, or enable the circumvention or violation of, any
 13   * terms of an Apple operating system software license agreement.
 14   *
 15   * Please obtain a copy of the License at
 16   * http://www.opensource.apple.com/apsl/ and read it before using this file.
 17   *
 18   * The Original Code and all software distributed under the License are
 19   * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 20   * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 21   * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 22   * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 23   * Please see the License for the specific language governing rights and
 24   * limitations under the License.
 25   *
 26   * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 27   */
 28  /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 29  /*
 30   * Copyright (c) 1982, 1986, 1988, 1993, 1994
 31   *	The Regents of the University of California.  All rights reserved.
 32   *
 33   * Redistribution and use in source and binary forms, with or without
 34   * modification, are permitted provided that the following conditions
 35   * are met:
 36   * 1. Redistributions of source code must retain the above copyright
 37   *    notice, this list of conditions and the following disclaimer.
 38   * 2. Redistributions in binary form must reproduce the above copyright
 39   *    notice, this list of conditions and the following disclaimer in the
 40   *    documentation and/or other materials provided with the distribution.
 41   * 3. All advertising materials mentioning features or use of this software
 42   *    must display the following acknowledgement:
 43   *	This product includes software developed by the University of
 44   *	California, Berkeley and its contributors.
 45   * 4. Neither the name of the University nor the names of its contributors
 46   *    may be used to endorse or promote products derived from this software
 47   *    without specific prior written permission.
 48   *
 49   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 50   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 51   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 52   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 53   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 54   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 55   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 56   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 57   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 58   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 59   * SUCH DAMAGE.
 60   *
 61   *	@(#)reboot.h	8.3 (Berkeley) 12/13/94
 62   */
 63  
 64  #ifndef _SYS_REBOOT_H_
 65  #define _SYS_REBOOT_H_
 66  
 67  #include <sys/appleapiopts.h>
 68  #include <sys/cdefs.h>
 69  #include <stdint.h>
 70  
 71  /*
 72   * Arguments to reboot system call.
 73   */
 74  
 75  #ifdef __APPLE_API_PRIVATE
 76  #define RB_AUTOBOOT     0       /* flags for system auto-booting itself */
 77  
 78  #define RB_ASKNAME      0x01    /* ask for file name to reboot from */
 79  #define RB_SINGLE       0x02    /* reboot to single user only */
 80  #define RB_NOSYNC       0x04    /* dont sync before reboot */
 81  #define RB_HALT         0x08    /* don't reboot, just halt */
 82  #define RB_INITNAME     0x10    /* name given for /etc/init */
 83  #define RB_DFLTROOT     0x20    /* use compiled-in rootdev */
 84  #define RB_ALTBOOT      0x40    /* use /boot.old vs /boot */
 85  #define RB_UNIPROC      0x80    /* don't start slaves */
 86  #define RB_SAFEBOOT     0x100   /* booting safe */
 87  #define RB_UPSDELAY 0x200   /* Delays restart by 5 minutes */
 88  #define RB_QUICK        0x400   /* quick and ungraceful reboot with file system caches flushed*/
 89  #define RB_PANIC        0x800   /* panic the kernel */
 90  #define RB_PANIC_ZPRINT 0x1000   /* add zprint info to panic string */
 91  
 92  #ifndef KERNEL
 93  __BEGIN_DECLS
 94  /* userspace reboot control */
 95  int usrctl(uint32_t flags);
 96  /* The normal reboot syscall. */
 97  int reboot(int howto);
 98  /* Used with RB_PANIC to panic the kernel from userspace with a message.
 99   * Requires an entitlement on Release. */
100  int reboot_np(int howto, const char *message);
101  __END_DECLS
102  #endif
103  
104  #endif /* __APPLE_API_PRIVATE */
105  
106  #ifdef __APPLE_API_OBSOLETE
107  /*
108   * Constants for converting boot-style device number to type,
109   * adaptor (uba, mba, etc), unit number and partition number.
110   * Type (== major device number) is in the low byte
111   * for backward compatibility.  Except for that of the "magic
112   * number", each mask applies to the shifted value.
113   * Format:
114   *	 (4) (4) (4) (4)  (8)     (8)
115   *	--------------------------------
116   *	|MA | AD| CT| UN| PART  | TYPE |
117   *	--------------------------------
118   */
119  #define B_ADAPTORSHIFT  24
120  #define B_ADAPTORMASK   0x0f
121  #define B_ADAPTOR(val)          (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
122  #define B_CONTROLLERSHIFT       20
123  #define B_CONTROLLERMASK        0xf
124  #define B_CONTROLLER(val)       (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
125  #define B_UNITSHIFT     16
126  #define B_UNITMASK      0xff
127  #define B_UNIT(val)             (((val) >> B_UNITSHIFT) & B_UNITMASK)
128  #define B_PARTITIONSHIFT 8
129  #define B_PARTITIONMASK 0xff
130  #define B_PARTITION(val)        (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
131  #define B_TYPESHIFT     0
132  #define B_TYPEMASK      0xff
133  #define B_TYPE(val)             (((val) >> B_TYPESHIFT) & B_TYPEMASK)
134  #define B_MAGICMASK     0xf0000000
135  #define B_DEVMAGIC      0xa0000000
136  
137  #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
138  	(((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
139  	((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
140  	((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
141  
142  #endif /* __APPLE_API_OBSOLETE */
143  
144  #ifdef BSD_KERNEL_PRIVATE
145  
146  __BEGIN_DECLS
147  int     reboot_kernel(int, char *);
148  __END_DECLS
149  
150  #define PROC_SHUTDOWN_LOG "/var/log/kernel-shutdown.log"
151  
152  #endif /* BSD_KERNEL_PRIVATE */
153  
154  #if KERNEL_PRIVATE
155  __BEGIN_DECLS
156  int get_system_inshutdown(void);
157  __END_DECLS
158  #endif /* KERNEL_PRIVATE */
159  
160  #endif  /* _SYS_REBOOT_H_ */