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