IABSD.fr/src/sys/dev/cons.h

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• Author : jsg
  Date : 2024-05-13 01:15:50
  Hash : 0f9e9ec2
  Message : remove prototypes with no matching function ok mpi@

• sys/dev/cons.h

• /*	$OpenBSD: cons.h,v 1.20 2024/05/13 01:15:50 jsg Exp $	*/
  /*	$NetBSD: cons.h,v 1.14 1996/03/14 19:08:35 christos Exp $	*/
  
  /*
   * Copyright (c) 1988 University of Utah.
   * Copyright (c) 1990, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * the Systems Programming Group of the University of Utah Computer
   * Science Department.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * from: Utah $Hdr: cons.h 1.6 92/01/21$
   *
   *	@(#)cons.h	8.1 (Berkeley) 6/10/93
   */
  
  struct consdev {
  				/* probe hardware and fill in consdev info */
  	void	(*cn_probe)(struct consdev *);
  				/* turn on as console */
  	void	(*cn_init)(struct consdev *);
  				/* kernel getchar interface */
  	int	(*cn_getc)(dev_t);
  				/* kernel putchar interface */
  	void	(*cn_putc)(dev_t, int);
  				/* turn on and off polling */
  	void	(*cn_pollc)(dev_t, int);
  				/* ring bell */
  	void	(*cn_bell)(dev_t, u_int, u_int, u_int);
  	dev_t	cn_dev;		/* major/minor of device */
  	u_int	cn_pri;		/* picking order; the higher the better */
  };
  
  /* Values for cn_pri - policy for console selection. */
  #define	CN_DEAD		0	/* Device does not exist. */
  #define CN_LOWPRI	1	/* Device exists and is low priority. */
  #define CN_MIDPRI	2	/* Device exists and is medium priority. */
  #define CN_HIGHPRI	3	/* Device exists and is high priority. */
  #define	CN_FORCED	4	/* Use this device. */
  
  /* XXX */
  #define	CONSMAJOR	0
  
  #ifdef _KERNEL
  
  extern	struct consdev constab[];
  extern	struct consdev *cn_tab;
  extern	struct tty *constty;
  extern	struct vnode *cn_devvp;
  
  struct knote;
  
  void	cninit(void);
  int	cnopen(dev_t, int, int, struct proc *);
  int	cnclose(dev_t, int, int, struct proc *);
  int	cnread(dev_t, struct uio *, int);
  int	cnwrite(dev_t, struct uio *, int);
  int	cnioctl(dev_t, u_long, caddr_t, int, struct proc *);
  int	cnkqfilter(dev_t, struct knote *);
  int	cngetc(void);
  void	cnputc(int);
  void	cnpollc(int);
  void	cnbell(u_int, u_int, u_int);
  void	nullcnpollc(dev_t, int);
  
  /* console-specific types */
  #define	dev_type_cnprobe(n)	void n(struct consdev *)
  #define	dev_type_cninit(n)	void n(struct consdev *)
  #define	dev_type_cngetc(n)	int n(dev_t)
  #define	dev_type_cnputc(n)	void n(dev_t, int)
  #define	dev_type_cnpollc(n)	void n(dev_t, int)
  #define	dev_type_cnbell(n)	void n(dev_t, u_int, u_int, u_int)
  
  #define	cons_decl(n) \
  	dev_decl(n,cnprobe); dev_decl(n,cninit); dev_decl(n,cngetc); \
  	dev_decl(n,cnputc); dev_decl(n,cnpollc); dev_decl(n,cnbell);
  
  #define	cons_init(n) { \
  	dev_init(1,n,cnprobe), dev_init(1,n,cninit), dev_init(1,n,cngetc), \
  	dev_init(1,n,cnputc), dev_init(1,n,cnpollc), NULL, \
  	NODEV, CN_DEAD }
  
  #define cons_init_bell(n) { \
  	dev_init(1,n,cnprobe), dev_init(1,n,cninit), dev_init(1,n,cngetc), \
  	dev_init(1,n,cnputc), dev_init(1,n,cnpollc), dev_init(1,n,cnbell), \
  	NODEV, CN_DEAD }
  
  #endif