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/*-
*
* Coda: an Experimental Distributed File System
* Release 3.1
*
* Copyright (c) 1987-1998 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, and
* that credit is given to Carnegie Mellon University in all documents
* and publicity pertaining to direct or indirect use of this code or its
* derivatives.
*
* CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
* SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. 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 DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
* ANY DERIVATIVE WORK.
*
* Carnegie Mellon encourages users of this software to return any
* improvements or extensions that they make, and to grant Carnegie
* Mellon the rights to redistribute these changes without encumbrance.
*
* @(#) src/sys/coda/coda_pioctl.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
* $FreeBSD: src/sys/fs/coda/coda_pioctl.h,v 1.10.2.1.6.1 2010/12/21 17:09:25 kensmith Exp $
*
*/
/*-
* 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.
*/
/*
* ITC Remote filesystem - vice ioctl interface module
*
* TODO: Find /usr/local/include/viceioctl.h.
*/
#ifndef _SYS_PIOCTL_H_
#define _SYS_PIOCTL_H_
/*
* 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_PIOCTL_H_ */
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