bsd/sys/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_ */