86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
/*
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* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* Copyright (c) 1987 NeXT, Inc.
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*/
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#include <sys/_types/_dev_t.h> /* dev_t */
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struct consdev {
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char *cn_name; /* name of device in dev_name_list */
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int (*cn_probe)(void); /* probe and fill in consdev info */
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int (*cn_init)(void); /* turn on as console */
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int (*cn_getc)(void); /* kernel getchar interface */
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int (*cn_putc)(void); /* kernel putchar interface */
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struct tty *cn_tp; /* tty structure for console device */
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dev_t cn_dev; /* major/minor of device */
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short cn_pri; /* pecking order; the higher the better */
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};
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/* values for cn_pri - reflect our policy for console selection */
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#define CN_DEAD 0 /* device doesn't exist */
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#define CN_NORMAL 1 /* device exists but is nothing special */
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#define CN_INTERNAL 2 /* "internal" bit-mapped display */
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#define CN_REMOTE 3 /* serial interface with remote bit set */
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/* XXX */
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#define CONSMAJOR 0
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#ifdef KERNEL
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#include <sys/types.h>
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#include <sys/conf.h>
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extern struct consdev constab[];
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extern struct consdev *cn_tab;
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extern struct tty *cn_tty;
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/* Returns tty with +1 retain count, use ttyfree() to release. */
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extern struct tty *copy_constty(void); /* current console device */
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extern struct tty *set_constty(struct tty *);
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int consopen(dev_t, int, int, struct proc *);
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int consclose(dev_t, int, int, struct proc *);
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int consread(dev_t, struct uio *, int);
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int conswrite(dev_t, struct uio *, int);
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int consioctl(dev_t, u_long, caddr_t, int, struct proc *);
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int consselect(dev_t, int, void *, struct proc *);
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/*
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* These really want their own header file, but this is the only one in
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* common, and the km device is the keyboard monitor, so it's technically a
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* part of the console.
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*/
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int kmopen(dev_t, int, int, struct proc *);
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int kmclose(dev_t, int, int, struct proc *);
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int kmread(dev_t, struct uio *, int);
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int kmwrite(dev_t, struct uio *, int);
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int kmioctl(dev_t, u_long, caddr_t, int, struct proc *);
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int kmputc(dev_t, char);
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#endif
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