1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * Copyright (c) 1987 NeXT, Inc.
30 */
31
32#include <sys/_types/_dev_t.h> /* dev_t */
33
34struct consdev {
35 char *cn_name; /* name of device in dev_name_list */
36 int (*cn_probe)(void); /* probe and fill in consdev info */
37 int (*cn_init)(void); /* turn on as console */
38 int (*cn_getc)(void); /* kernel getchar interface */
39 int (*cn_putc)(void); /* kernel putchar interface */
40 struct tty *cn_tp; /* tty structure for console device */
41 dev_t cn_dev; /* major/minor of device */
42 short cn_pri; /* pecking order; the higher the better */
43};
44
45/* values for cn_pri - reflect our policy for console selection */
46#define CN_DEAD 0 /* device doesn't exist */
47#define CN_NORMAL 1 /* device exists but is nothing special */
48#define CN_INTERNAL 2 /* "internal" bit-mapped display */
49#define CN_REMOTE 3 /* serial interface with remote bit set */
50
51/* XXX */
52#define CONSMAJOR 0
53
54#ifdef KERNEL
55
56#include <sys/types.h>
57#include <sys/conf.h>
58
59extern struct consdev constab[];
60extern struct consdev *cn_tab;
61extern struct tty *cn_tty;
62
63/* Returns tty with +1 retain count, use ttyfree() to release. */
64extern struct tty *copy_constty(void); /* current console device */
65extern struct tty *set_constty(struct tty *);
66
67int consopen(dev_t, int, int, struct proc *);
68int consclose(dev_t, int, int, struct proc *);
69int consread(dev_t, struct uio *, int);
70int conswrite(dev_t, struct uio *, int);
71int consioctl(dev_t, u_long, caddr_t, int, struct proc *);
72int consselect(dev_t, int, void *, struct proc *);
73
74/*
75 * These really want their own header file, but this is the only one in
76 * common, and the km device is the keyboard monitor, so it's technically a
77 * part of the console.
78 */
79int kmopen(dev_t, int, int, struct proc *);
80int kmclose(dev_t, int, int, struct proc *);
81int kmread(dev_t, struct uio *, int);
82int kmwrite(dev_t, struct uio *, int);
83int kmioctl(dev_t, u_long, caddr_t, int, struct proc *);
84int kmputc(dev_t, char);
85
86#endif
87