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/* $NetBSD: viceioctl.h,v 1.4 2002/07/10 18:54:03 wiz Exp $ */
/*
* Copyright (c) 1991 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the rights
* to redistribute these changes.
*/
/*
* Mach Operating System
* Copyright (c) 1989 Carnegie-Mellon University
* Copyright (c) 1988 Carnegie-Mellon University
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* Revision 2.4 90/08/30 11:51:12 bohman
*/
/*
* ITC Remote file system - vice ioctl interface module
*/
/*
* TODO: Find /usr/local/include/viceioctl.h.
*/
#ifndef _SYS_VICEIOCTL_H_
#define _SYS_VICEIOCTL_H_
#include <sys/types.h>
#include <sys/ioctl.h>
struct ViceIoctl {
caddr_t in, out; /* Data to be transferred in, or out */
short in_size; /* Size of input buffer <= 2K */
short out_size; /* Maximum size of output buffer, <= 2K */
};
/* The 2K limits above are a consequence of the size of the kernel buffer
used to buffer requests from the user to venus--2*MAXPATHLEN.
The buffer pointers may be null, or the counts may be 0 if there
are no input or output parameters
*/
#define _VICEIOCTL(id) ((unsigned int ) _IOW('V', id, struct ViceIoctl))
/* Use this macro to define up to 256 vice ioctl's. These ioctl's
all potentially have in/out parameters--this depends upon the
values in the ViceIoctl structure. This structure is itself passed
into the kernel by the normal ioctl parameter passing mechanism.
*/
#define _VALIDVICEIOCTL(com) (com >= _VICEIOCTL(0) && com <= _VICEIOCTL(255))
#endif /* _SYS_VICEIOCTL_H_ */
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