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1.1 root 1: /*
2: * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
3: * 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: *
1.1.1.2 ! root 33: * from: @(#)reboot.h 7.6 (Berkeley) 6/28/90
! 34: * reboot.h,v 1.3 1993/05/20 16:22:55 cgd Exp
1.1 root 35: */
36:
1.1.1.2 ! root 37: #ifndef _SYS_REBOOT_H_
! 38: #define _SYS_REBOOT_H_
! 39:
1.1 root 40: /*
41: * Arguments to reboot system call.
42: * These are passed to boot program in r11,
43: * and on to init.
44: */
45: #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */
46:
47: #define RB_ASKNAME 0x01 /* ask for file name to reboot from */
48: #define RB_SINGLE 0x02 /* reboot to single user only */
49: #define RB_NOSYNC 0x04 /* dont sync before reboot */
50: #define RB_HALT 0x08 /* don't reboot, just halt */
51: #define RB_INITNAME 0x10 /* name given for /etc/init (unused) */
52: #define RB_DFLTROOT 0x20 /* use compiled-in rootdev */
53: #define RB_KDB 0x40 /* give control to kernel debugger */
54: #define RB_RDONLY 0x80 /* mount root fs read-only */
55: #define RB_DUMP 0x100 /* dump kernel memory before reboot */
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 ((u_long)0xf0000000)
86: #define B_DEVMAGIC ((u_long)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)
1.1.1.2 ! root 92:
! 93: #endif /* !_SYS_REBOOT_H_ */
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