sys/arch/x68k/include/parioctl.h

   1 /*
   2  * Copyright (c) 1990 The Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      from: @(#)ppiioctl.h    7.2 (Berkeley) 12/16/90
  30  *      $NetBSD: parioctl.h,v 1.1.48.3 2004/09/21 13:24:20 skrll Exp $
  31  */
  32
  33 #ifndef _X68K_PARIOCTL_H_
  34 #define _X68K_PARIOCTL_H_
  35
  36 #ifndef _IOCTL_
  37 #include <sys/ioctl.h>
  38 #endif
  39
  40 struct parparam {
  41         int     burst;  /* chars to send/recv in one call */
  42         int     timo;   /* timeout: -1 blocking, 0 non-blocking, >0 msec */
  43         int     delay;  /* delay between polls (msec) */
  44 };
  45
  46 #define PAR_BLOCK       -1
  47 #define PAR_NOBLOCK     0
  48
  49 /* default values */
  50 #define PAR_BURST       1024
  51 #define PAR_TIMO        PAR_BLOCK
  52 #define PAR_DELAY       10
  53
  54 /* limits */
  55 #define PAR_BURST_MIN   1
  56 #define PAR_BURST_MAX   1024
  57 #define PAR_DELAY_MIN   0
  58 #define PAR_DELAY_MAX   30000
  59
  60 #define PARIOCSPARAM    _IOW('P', 0x1, struct parparam)
  61 #define PARIOCGPARAM    _IOR('P', 0x2, struct parparam)
  62
  63 #endif