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 | |
34 | struct 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 | |
59 | extern struct consdev constab[]; |
60 | extern struct consdev *cn_tab; |
61 | extern struct tty *cn_tty; |
62 | |
63 | /* Returns tty with +1 retain count, use ttyfree() to release. */ |
64 | extern struct tty *copy_constty(void); /* current console device */ |
65 | extern struct tty *set_constty(struct tty *); |
66 | |
67 | int consopen(dev_t, int, int, struct proc *); |
68 | int consclose(dev_t, int, int, struct proc *); |
69 | int consread(dev_t, struct uio *, int); |
70 | int conswrite(dev_t, struct uio *, int); |
71 | int consioctl(dev_t, u_long, caddr_t, int, struct proc *); |
72 | int 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 | */ |
79 | int kmopen(dev_t, int, int, struct proc *); |
80 | int kmclose(dev_t, int, int, struct proc *); |
81 | int kmread(dev_t, struct uio *, int); |
82 | int kmwrite(dev_t, struct uio *, int); |
83 | int kmioctl(dev_t, u_long, caddr_t, int, struct proc *); |
84 | int kmputc(dev_t, char); |
85 | |
86 | #endif |
87 | |