bsd/sys/reboot.h

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