/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1987 NeXT, Inc. */ struct consdev { char *cn_name; /* name of device in dev_name_list */ int (*cn_probe)(void); /* probe and fill in consdev info */ int (*cn_init)(void); /* turn on as console */ int (*cn_getc)(void); /* kernel getchar interface */ int (*cn_putc)(void); /* kernel putchar interface */ struct tty *cn_tp; /* tty structure for console device */ dev_t cn_dev; /* major/minor of device */ short cn_pri; /* pecking order; the higher the better */ }; /* values for cn_pri - reflect our policy for console selection */ #define CN_DEAD 0 /* device doesn't exist */ #define CN_NORMAL 1 /* device exists but is nothing special */ #define CN_INTERNAL 2 /* "internal" bit-mapped display */ #define CN_REMOTE 3 /* serial interface with remote bit set */ /* XXX */ #define CONSMAJOR 0 #ifdef KERNEL #include <sys/types.h> extern struct consdev constab[]; extern struct consdev *cn_tab; extern struct tty *cn_tty; extern struct tty cons; extern struct tty *constty; /* current console device */ #endif