1 /* 2 * Copyright (c) 1982, 1986, 1988, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)reboot.h 8.3 (Berkeley) 12/13/94 34 * $FreeBSD: src/sys/sys/reboot.h,v 1.18.2.1 2001/12/17 18:44:43 guido Exp $ 35 */ 36 37 #ifndef _SYS_REBOOT_H_ 38 #define _SYS_REBOOT_H_ 39 40 /* 41 * Arguments to reboot system call. These are passed to 42 * the boot program and on to init. 43 * 44 * Note: if neither MUTE, SERIAL, or VIDEO is set, multi-console mode is 45 * assumed. 46 */ 47 #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ 48 49 #define RB_ASKNAME 0x001 /* ask for file name to reboot from */ 50 #define RB_SINGLE 0x002 /* reboot to single user only */ 51 #define RB_NOSYNC 0x004 /* dont sync before reboot */ 52 #define RB_HALT 0x008 /* don't reboot, just halt */ 53 #define RB_INITNAME 0x010 /* name given for /etc/init (unused) */ 54 #define RB_DFLTROOT 0x020 /* use compiled-in rootdev */ 55 #define RB_KDB 0x040 /* give control to kernel debugger */ 56 #define RB_RDONLY 0x080 /* mount root fs read-only */ 57 #define RB_DUMP 0x100 /* dump kernel memory before reboot */ 58 #define RB_MINIROOT 0x200 /* mini-root present in memory at boot time */ 59 #define RB_UNUSED10 0x400 /* was: invoke user configuration routing */ 60 #define RB_VERBOSE 0x800 /* print all potentially useful info */ 61 #define RB_SERIAL 0x1000 /* user serial port as console */ 62 #define RB_CDROM 0x2000 /* use cdrom as root */ 63 #define RB_POWEROFF 0x4000 /* if you can, turn the power off */ 64 #define RB_GDB 0x8000 /* use GDB remote debugger instead of DDB */ 65 #define RB_MUTE 0x10000 /* Come up with the console muted */ 66 #define RB_SELFTEST 0x20000 /* don't boot to normal operation, do selftest */ 67 #define RB_PAUSE 0x40000 /* pause after each output line during probe */ 68 69 #define RB_VIDEO 0x20000000 /* use video console */ 70 #define RB_BOOTINFO 0x80000000 /* have `struct bootinfo *' arg */ 71 72 /* 73 * Constants for converting boot-style device number to type, 74 * adaptor (uba, mba, etc), unit number and partition number. 75 * Type (== major device number) is in the low byte 76 * for backward compatibility. Except for that of the "magic 77 * number", each mask applies to the shifted value. 78 * Format: 79 * (4) (4) (4) (4) (8) (8) 80 * -------------------------------- 81 * |MA | AD| CT| UN| PART | TYPE | 82 * -------------------------------- 83 */ 84 #define B_ADAPTORSHIFT 24 85 #define B_ADAPTORMASK 0x0f 86 #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) 87 #define B_CONTROLLERSHIFT 20 88 #define B_CONTROLLERMASK 0xf 89 #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) 90 #define B_SLICESHIFT 20 91 #define B_SLICEMASK 0xff 92 #define B_SLICE(val) (((val)>>B_SLICESHIFT) & B_SLICEMASK) 93 #define B_UNITSHIFT 16 94 #define B_UNITMASK 0xf 95 #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) 96 #define B_PARTITIONSHIFT 8 97 #define B_PARTITIONMASK 0xff 98 #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) 99 #define B_TYPESHIFT 0 100 #define B_TYPEMASK 0xff 101 #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) 102 103 #define B_MAGICMASK 0xf0000000 104 #define B_DEVMAGIC 0xa0000000 105 106 #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ 107 (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ 108 ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ 109 ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) 110 111 #endif 112