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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
7 *
8 * This file contains Original Code and/or Modifications of Original Code
9 * as defined in and that are subject to the Apple Public Source License
10 * Version 2.0 (the 'License'). You may not use this file except in
11 * compliance with the License. Please obtain a copy of the License at
12 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * file.
14 *
15 * The Original Code and all software distributed under the License are
16 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20 * Please see the License for the specific language governing rights and
21 * limitations under the License.
22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25/*
26 * Copyright (c) 1987 NeXT, Inc.
27 */
28
29struct consdev {
30 char *cn_name; /* name of device in dev_name_list */
31 int (*cn_probe)(); /* probe hardware and fill in consdev info */
32 int (*cn_init)(); /* turn on as console */
33 int (*cn_getc)(); /* kernel getchar interface */
34 int (*cn_putc)(); /* kernel putchar interface */
35 struct tty *cn_tp; /* tty structure for console device */
36 dev_t cn_dev; /* major/minor of device */
37 short cn_pri; /* pecking order; the higher the better */
38};
39
40/* values for cn_pri - reflect our policy for console selection */
41#define CN_DEAD 0 /* device doesn't exist */
42#define CN_NORMAL 1 /* device exists but is nothing special */
43#define CN_INTERNAL 2 /* "internal" bit-mapped display */
44#define CN_REMOTE 3 /* serial interface with remote bit set */
45
46/* XXX */
47#define CONSMAJOR 0
48
49#ifdef KERNEL
50
51#include <sys/types.h>
52
53extern struct consdev constab[];
54extern struct consdev *cn_tab;
55extern struct tty *cn_tty;
56
57extern struct tty cons;
58extern struct tty *constty; /* current console device */
59#endif
60