| | 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 | struct consdev { |
| | 33 | char *cn_name; /* name of device in dev_name_list */ |
| | 34 | int (*cn_probe)(void); /* probe and fill in consdev info */ |
| | 35 | int (*cn_init)(void); /* turn on as console */ |
| | 36 | int (*cn_getc)(void); /* kernel getchar interface */ |
| | 37 | int (*cn_putc)(void); /* kernel putchar interface */ |
| | 38 | struct tty *cn_tp; /* tty structure for console device */ |
| | 39 | dev_t cn_dev; /* major/minor of device */ |
| | 40 | short cn_pri; /* pecking order; the higher the better */ |
| | 41 | }; |
| | 42 | |
| | 43 | /* values for cn_pri - reflect our policy for console selection */ |
| | 44 | #define CN_DEAD 0 /* device doesn't exist */ |
| | 45 | #define CN_NORMAL 1 /* device exists but is nothing special */ |
| | 46 | #define CN_INTERNAL 2 /* "internal" bit-mapped display */ |
| | 47 | #define CN_REMOTE 3 /* serial interface with remote bit set */ |
| | 48 | |
| | 49 | /* XXX */ |
| | 50 | #define CONSMAJOR 0 |
| | 51 | |
| | 52 | #ifdef KERNEL |
| | 53 | |
| | 54 | #include <sys/types.h> |
| | 55 | #include <sys/conf.h> |
| | 56 | |
| | 57 | extern struct consdev constab[]; |
| | 58 | extern struct consdev *cn_tab; |
| | 59 | extern struct tty *cn_tty; |
| | 60 | |
| | 61 | extern struct tty *constty; /* current console device */ |
| | 62 | |
| | 63 | int consopen(dev_t, int, int, struct proc *); |
| | 64 | int consclose(dev_t, int, int, struct proc *); |
| | 65 | int consread(dev_t, struct uio *, int); |
| | 66 | int conswrite(dev_t, struct uio *, int); |
| | 67 | int consioctl(dev_t, u_long, caddr_t, int, struct proc *); |
| | 68 | int consselect(dev_t, int, void *, struct proc *); |
| | 69 | |
| | 70 | /* |
| | 71 | * These really want their own header file, but this is the only one in |
| | 72 | * common, and the km device is the keyboard monitor, so it's technically a |
| | 73 | * part of the console. |
| | 74 | */ |
| | 75 | int kmopen(dev_t, int, int, struct proc *); |
| | 76 | int kmclose(dev_t, int, int, struct proc *); |
| | 77 | int kmread(dev_t, struct uio *, int); |
| | 78 | int kmwrite(dev_t, struct uio *, int); |
| | 79 | int kmioctl(dev_t, u_long, caddr_t, int, struct proc *); |
| | 80 | int kmputc(dev_t, char); |
| | 81 | |
| | 82 | #endif |
| | 83 | |
projects / apple / xnu.git / blame_incremental