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Diffstat (limited to 'sys/sys/reboot.h')
| -rw-r--r-- | sys/sys/reboot.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sys/sys/reboot.h b/sys/sys/reboot.h new file mode 100644 index 0000000..492b554 --- /dev/null +++ b/sys/sys/reboot.h @@ -0,0 +1,106 @@ +/* $OpenBSD: reboot.h,v 1.18 2019/04/01 07:00:52 tedu Exp $ */ +/* $NetBSD: reboot.h,v 1.9 1996/04/22 01:23:25 christos Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1988, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)reboot.h 8.2 (Berkeley) 7/10/94 + */ + +#ifndef _SYS_REBOOT_H_ +#define _SYS_REBOOT_H_ + +/* + * Arguments to reboot system call. These are passed to the boot program, + * and then on to init. + */ +#define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ + +#define RB_ASKNAME 0x0001 /* ask for file name to reboot from */ +#define RB_SINGLE 0x0002 /* reboot to single user only */ +#define RB_NOSYNC 0x0004 /* dont sync before reboot */ +#define RB_HALT 0x0008 /* don't reboot, just halt */ +#define RB_INITNAME 0x0010 /* name given for /etc/init (unused) */ +#define RB_DFLTROOT 0x0020 /* use compiled-in rootdev */ +#define RB_KDB 0x0040 /* give control to kernel debugger */ +#define RB_RDONLY 0x0080 /* mount root fs read-only */ +#define RB_DUMP 0x0100 /* dump kernel memory before reboot */ +#define RB_MINIROOT 0x0200 /* mini-root present in memory at boot time */ +#define RB_CONFIG 0x0400 /* change configured devices */ +#define RB_TIMEBAD 0x0800 /* don't call resettodr() in boot() */ +#define RB_POWERDOWN 0x1000 /* attempt to power down machine */ +#define RB_SERCONS 0x2000 /* use serial console if available */ +#define RB_USERREQ 0x4000 /* boot() called at user request (e.g. ddb) */ +#define RB_RESET 0x8000 /* just reset, no cleanup */ + +/* + * Constants for converting boot-style device number to type, + * adaptor (uba, mba, etc), unit number and partition number. + * Type (== major device number) is in the low byte + * for backward compatibility. Except for that of the "magic + * number", each mask applies to the shifted value. + * Format: + * (4) (4) (4) (4) (8) (8) + * -------------------------------- + * |MA | AD| CT| UN| PART | TYPE | + * -------------------------------- + */ +#define B_ADAPTORSHIFT 24 +#define B_ADAPTORMASK 0x0f +#define B_ADAPTOR(val) (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK) +#define B_CONTROLLERSHIFT 20 +#define B_CONTROLLERMASK 0xf +#define B_CONTROLLER(val) (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK) +#define B_UNITSHIFT 16 +#define B_UNITMASK 0xf +#define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) +#define B_PARTITIONSHIFT 8 +#define B_PARTITIONMASK 0xff +#define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) +#define B_TYPESHIFT 0 +#define B_TYPEMASK 0xff +#define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) + +#define B_MAGICMASK 0xf0000000 +#define B_DEVMAGIC 0xa0000000 + +#define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \ + (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \ + ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \ + ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC) + +#if defined(_KERNEL) && !defined(_STANDALONE) && !defined(_LOCORE) + +__BEGIN_DECLS +__dead void reboot(int); +__dead void boot(int); +__END_DECLS + +#endif /* _KERNEL */ + +#endif /* !_SYS_REBOOT_H_ */ |