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/* $OpenBSD: ppiioctl.h,v 1.2 1997/01/12 15:12:58 downsj Exp $ */
/* $NetBSD: ppiioctl.h,v 1.4 1994/10/26 07:24:48 cgd Exp $ */
/*
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)ppiioctl.h 8.1 (Berkeley) 6/10/93
*/
#ifndef _IOCTL_
#include <sys/ioctl.h>
#endif
struct ppiparam {
int burst; /* chars to send/recv in one call */
int timo; /* timeout: -1 blocking, 0 non-blocking, >0 msec */
int delay; /* delay between polls (msec) */
};
#define PPI_BLOCK -1
#define PPI_NOBLOCK 0
/* default values */
#define PPI_BURST 1024
#define PPI_TIMO PPI_BLOCK
#define PPI_DELAY 10
/* limits */
#define PPI_BURST_MIN 1
#define PPI_BURST_MAX 1024
#define PPI_DELAY_MIN 0
#define PPI_DELAY_MAX 30000
#define PPIIOCSPARAM _IOW('P', 0x1, struct ppiparam)
#define PPIIOCGPARAM _IOR('P', 0x2, struct ppiparam)
#define PPIIOCSSEC _IOW('P', 0x3, int)
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