| 1 | /* $NetBSD: reboot.h,v 1.25 2007/12/25 18:33:48 perry Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1982, 1986, 1988, 1993, 1994 |
| 5 | * The Regents of the University of California. 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 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | * @(#)reboot.h 8.3 (Berkeley) 12/13/94 |
| 32 | */ |
| 33 | |
| 34 | #ifndef _SYS_REBOOT_H_ |
| 35 | #define _SYS_REBOOT_H_ |
| 36 | |
| 37 | /* |
| 38 | * Arguments to reboot system call. These are passed to the boot program, |
| 39 | * and then on to init. |
| 40 | */ |
| 41 | #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ |
| 42 | |
| 43 | #define RB_ASKNAME 0x00000001 /* ask for file name to reboot from */ |
| 44 | #define RB_SINGLE 0x00000002 /* reboot to single user only */ |
| 45 | #define RB_NOSYNC 0x00000004 /* dont sync before reboot */ |
| 46 | #define RB_HALT 0x00000008 /* don't reboot, just halt */ |
| 47 | #define RB_INITNAME 0x00000010 /* name given for /etc/init (unused) */ |
| 48 | #define __RB_UNUSED1 0x00000020 /* was RB_DFLTROOT, obsolete */ |
| 49 | #define RB_KDB 0x00000040 /* give control to kernel debugger */ |
| 50 | #define RB_RDONLY 0x00000080 /* mount root fs read-only */ |
| 51 | #define RB_DUMP 0x00000100 /* dump kernel memory before reboot */ |
| 52 | #define RB_MINIROOT 0x00000200 /* mini-root present in memory */ |
| 53 | #define RB_STRING 0x00000400 /* use provided bootstr */ |
| 54 | #define RB_POWERDOWN (RB_HALT|0x800) /* turn power off (or at least halt) */ |
| 55 | #define RB_USERCONF 0x00001000 /* change configured devices */ |
| 56 | |
| 57 | /* |
| 58 | * Extra autoboot flags (passed by boot prog to kernel). See also |
| 59 | * macros bootverbose, bootquiet in <sys/systm.h>. |
| 60 | */ |
| 61 | #define AB_NORMAL 0x00000000 /* boot normally (default) */ |
| 62 | #define AB_QUIET 0x00010000 /* boot quietly */ |
| 63 | #define AB_VERBOSE 0x00020000 /* boot verbosely */ |
| 64 | #define AB_SILENT 0x00040000 /* boot silently */ |
| 65 | #define AB_DEBUG 0x00080000 /* boot with debug messages */ |
| 66 | |
| 67 | /* |
| 68 | * The top 4 bits are architecture specific and are used to |
| 69 | * pass information between the bootblocks and the machine |
| 70 | * initialization code. |
| 71 | */ |
| 72 | #define RB_MD1 0x10000000 |
| 73 | #define RB_MD2 0x20000000 |
| 74 | #define RB_MD3 0x40000000 |
| 75 | #define RB_MD4 0x80000000 |
| 76 | |
| 77 | /* |
| 78 | * Constants for converting boot-style device number to type, |
| 79 | * adaptor (uba, mba, etc), unit number and partition number. |
| 80 | * Type (== major device number) is in the low byte |
| 81 | * for backward compatibility. Except for that of the "magic |
| 82 | * number", each mask applies to the shifted value. |
| 83 | * Format: |
| 84 | * (4) (4) (4) (4) (8) (8) |
| 85 | * -------------------------------- |
| 86 | * |MA | AD| CT| UN| PART | TYPE | |
| 87 | * -------------------------------- |
| 88 | */ |
| 89 | #define B_ADAPTORSHIFT 24 |
| 90 | #define B_ADAPTORMASK 0x0f |
| 91 | #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) |
| 92 | #define B_CONTROLLERSHIFT 20 |
| 93 | #define B_CONTROLLERMASK 0xf |
| 94 | #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) |
| 95 | #define B_UNITSHIFT 16 |
| 96 | #define B_UNITMASK 0xf |
| 97 | #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) |
| 98 | #define B_PARTITIONSHIFT 8 |
| 99 | #define B_PARTITIONMASK 0xff |
| 100 | #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) |
| 101 | #define B_TYPESHIFT 0 |
| 102 | #define B_TYPEMASK 0xff |
| 103 | #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) |
| 104 | |
| 105 | #define B_MAGICMASK 0xf0000000 |
| 106 | #define B_DEVMAGIC 0xa0000000 |
| 107 | |
| 108 | #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ |
| 109 | (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ |
| 110 | ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ |
| 111 | ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) |
| 112 | |
| 113 | #ifdef _KERNEL |
| 114 | |
| 115 | __BEGIN_DECLS |
| 116 | |
| 117 | void cpu_reboot(int, char *) |
| 118 | __dead; |
| 119 | |
| 120 | __END_DECLS |
| 121 | |
| 122 | #endif /* _KERNEL */ |
| 123 | |
| 124 | #endif /* !_SYS_REBOOT_H_ */ |
| 125 | |