1 /* $NetBSD: reboot.h,v 1.19 2001/07/01 02:56:20 gmcgarry 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)reboot.h 8.3 (Berkeley) 12/13/94 36 */ 37 38 #ifndef _SYS_REBOOT_H_ 39 #define _SYS_REBOOT_H_ 40 41 /* 42 * Arguments to reboot system call. These are passed to the boot program, 43 * and then on to init. 44 */ 45 #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ 46 47 #define RB_ASKNAME 0x001 /* ask for file name to reboot from */ 48 #define RB_SINGLE 0x002 /* reboot to single user only */ 49 #define RB_NOSYNC 0x004 /* dont sync before reboot */ 50 #define RB_HALT 0x008 /* don't reboot, just halt */ 51 #define RB_INITNAME 0x010 /* name given for /etc/init (unused) */ 52 #define __RB_UNUSED1 0x020 /* was RB_DFLTROOT, obsolete */ 53 #define RB_KDB 0x040 /* give control to kernel debugger */ 54 #define RB_RDONLY 0x080 /* mount root fs read-only */ 55 #define RB_DUMP 0x100 /* dump kernel memory before reboot */ 56 #define RB_MINIROOT 0x200 /* mini-root present in memory at boot time */ 57 #define RB_STRING 0x400 /* use provided bootstr */ 58 #define RB_POWERDOWN (RB_HALT|0x800) /* turn power off (or at least halt) */ 59 #define RB_USERCONF 0x1000 /* change configured devices */ 60 61 /* 62 * Extra autoboot flags (passed by boot prog to kernel). See also 63 * macros bootverbose, bootquiet in <sys/systm.h>. 64 */ 65 #define AB_NORMAL 0x00000 /* boot normally (default) */ 66 #define AB_QUIET 0x10000 /* boot quietly */ 67 #define AB_VERBOSE 0x20000 /* boot verbosely */ 68 69 /* 70 * Constants for converting boot-style device number to type, 71 * adaptor (uba, mba, etc), unit number and partition number. 72 * Type (== major device number) is in the low byte 73 * for backward compatibility. Except for that of the "magic 74 * number", each mask applies to the shifted value. 75 * Format: 76 * (4) (4) (4) (4) (8) (8) 77 * -------------------------------- 78 * |MA | AD| CT| UN| PART | TYPE | 79 * -------------------------------- 80 */ 81 #define B_ADAPTORSHIFT 24 82 #define B_ADAPTORMASK 0x0f 83 #define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) 84 #define B_CONTROLLERSHIFT 20 85 #define B_CONTROLLERMASK 0xf 86 #define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) 87 #define B_UNITSHIFT 16 88 #define B_UNITMASK 0xf 89 #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) 90 #define B_PARTITIONSHIFT 8 91 #define B_PARTITIONMASK 0xff 92 #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) 93 #define B_TYPESHIFT 0 94 #define B_TYPEMASK 0xff 95 #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) 96 97 #define B_MAGICMASK 0xf0000000 98 #define B_DEVMAGIC 0xa0000000 99 100 #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ 101 (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ 102 ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ 103 ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) 104 105 #ifdef _KERNEL 106 107 __BEGIN_DECLS 108 109 void cpu_reboot __P((int, char *)) 110 __attribute__((__noreturn__)); 111 112 __END_DECLS 113 114 #endif /* _KERNEL */ 115 116 #endif /* !_SYS_REBOOT_H_ */ 117