Return to reboot.h CVS log

Up to [local] / sys / sys

Annotation of sys/sys/reboot.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: reboot.h,v 1.13 2004/03/10 23:02:53 tom Exp $ */
        !             2: /*     $NetBSD: reboot.h,v 1.9 1996/04/22 01:23:25 christos Exp $      */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1982, 1986, 1988, 1993, 1994
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the University nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  *
        !            32:  *     @(#)reboot.h    8.2 (Berkeley) 7/10/94
        !            33:  */
        !            34:
        !            35: /*
        !            36:  * Arguments to reboot system call.  These are passed to the boot program,
        !            37:  * and then on to init.
        !            38:  */
        !            39: #define        RB_AUTOBOOT     0       /* flags for system auto-booting itself */
        !            40:
        !            41: #define        RB_ASKNAME      0x0001  /* ask for file name to reboot from */
        !            42: #define        RB_SINGLE       0x0002  /* reboot to single user only */
        !            43: #define        RB_NOSYNC       0x0004  /* dont sync before reboot */
        !            44: #define        RB_HALT         0x0008  /* don't reboot, just halt */
        !            45: #define        RB_INITNAME     0x0010  /* name given for /etc/init (unused) */
        !            46: #define        RB_DFLTROOT     0x0020  /* use compiled-in rootdev */
        !            47: #define        RB_KDB          0x0040  /* give control to kernel debugger */
        !            48: #define        RB_RDONLY       0x0080  /* mount root fs read-only */
        !            49: #define        RB_DUMP         0x0100  /* dump kernel memory before reboot */
        !            50: #define        RB_MINIROOT     0x0200  /* mini-root present in memory at boot time */
        !            51: #define        RB_CONFIG       0x0400  /* change configured devices */
        !            52: #define        RB_TIMEBAD      0x0800  /* don't call resettodr() in boot() */
        !            53: #define        RB_POWERDOWN    0x1000  /* attempt to power down machine */
        !            54: #define        RB_SERCONS      0x2000  /* use serial console if available */
        !            55: #define        RB_USERREQ      0x4000  /* boot() called at user request (e.g. ddb) */
        !            56:
        !            57: /*
        !            58:  * Constants for converting boot-style device number to type,
        !            59:  * adaptor (uba, mba, etc), unit number and partition number.
        !            60:  * Type (== major device number) is in the low byte
        !            61:  * for backward compatibility.  Except for that of the "magic
        !            62:  * number", each mask applies to the shifted value.
        !            63:  * Format:
        !            64:  *      (4) (4) (4) (4)  (8)     (8)
        !            65:  *     --------------------------------
        !            66:  *     |MA | AD| CT| UN| PART  | TYPE |
        !            67:  *     --------------------------------
        !            68:  */
        !            69: #define        B_ADAPTORSHIFT          24
        !            70: #define        B_ADAPTORMASK           0x0f
        !            71: #define        B_ADAPTOR(val)          (((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
        !            72: #define B_CONTROLLERSHIFT      20
        !            73: #define B_CONTROLLERMASK       0xf
        !            74: #define        B_CONTROLLER(val)       (((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
        !            75: #define B_UNITSHIFT            16
        !            76: #define B_UNITMASK             0xf
        !            77: #define        B_UNIT(val)             (((val) >> B_UNITSHIFT) & B_UNITMASK)
        !            78: #define B_PARTITIONSHIFT       8
        !            79: #define B_PARTITIONMASK                0xff
        !            80: #define        B_PARTITION(val)        (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
        !            81: #define        B_TYPESHIFT             0
        !            82: #define        B_TYPEMASK              0xff
        !            83: #define        B_TYPE(val)             (((val) >> B_TYPESHIFT) & B_TYPEMASK)
        !            84:
        !            85: #define        B_MAGICMASK     0xf0000000
        !            86: #define        B_DEVMAGIC      0xa0000000
        !            87:
        !            88: #define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
        !            89:        (((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
        !            90:        ((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
        !            91:        ((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
        !            92:
        !            93: #if    defined(_KERNEL) && !defined(_STANDALONE) && !defined(_LOCORE)
        !            94:
        !            95: __BEGIN_DECLS
        !            96:
        !            97: void   boot(int)
        !            98:     __attribute__((__noreturn__));
        !            99:
        !           100: __END_DECLS
        !           101:
        !           102: #endif /* _KERNEL */