1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _SYS_REBOOT_H_ 33 #define _SYS_REBOOT_H_ 34 35 /* 36 * Arguments to reboot system call. These are passed to 37 * the boot program and on to init. 38 */ 39 #define RB_AUTOBOOT 0 /* flags for system auto-booting itself */ 40 41 #define RB_ASKNAME 0x001 /* force prompt of device of root filesystem */ 42 #define RB_SINGLE 0x002 /* reboot to single user only */ 43 #define RB_NOSYNC 0x004 /* dont sync before reboot */ 44 #define RB_HALT 0x008 /* don't reboot, just halt */ 45 #define RB_INITNAME 0x010 /* Unused placeholder to specify init path */ 46 #define RB_DFLTROOT 0x020 /* use compiled-in rootdev */ 47 #define RB_KDB 0x040 /* give control to kernel debugger */ 48 #define RB_RDONLY 0x080 /* mount root fs read-only */ 49 #define RB_DUMP 0x100 /* dump kernel memory before reboot */ 50 #define RB_MINIROOT 0x200 /* Unused placeholder */ 51 #define RB_VERBOSE 0x800 /* print all potentially useful info */ 52 #define RB_SERIAL 0x1000 /* use serial port as console */ 53 #define RB_CDROM 0x2000 /* use cdrom as root */ 54 #define RB_POWEROFF 0x4000 /* turn the power off if possible */ 55 #define RB_GDB 0x8000 /* use GDB remote debugger instead of DDB */ 56 #define RB_MUTE 0x10000 /* start up with the console muted */ 57 #define RB_SELFTEST 0x20000 /* unused placeholder */ 58 #define RB_RESERVED1 0x40000 /* reserved for internal use of boot blocks */ 59 #define RB_RESERVED2 0x80000 /* reserved for internal use of boot blocks */ 60 #define RB_PAUSE 0x100000 /* pause after each output line during probe */ 61 #define RB_REROOT 0x200000 /* unmount the rootfs and mount it again */ 62 #define RB_POWERCYCLE 0x400000 /* Power cycle if possible */ 63 #define RB_MUTEMSGS 0x800000 /* start up with console muted after banner */ 64 #define RB_PROBE 0x10000000 /* Probe multiple consoles */ 65 #define RB_MULTIPLE 0x20000000 /* use multiple consoles */ 66 67 #define RB_BOOTINFO 0x80000000 /* have `struct bootinfo *' arg */ 68 69 #endif 70