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71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*
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*
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* Coda: an Experimental Distributed File System
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* Release 3.1
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*
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* Copyright (c) 1987-1998 Carnegie Mellon University
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* All Rights Reserved
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation, and
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* that credit is given to Carnegie Mellon University in all documents
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* and publicity pertaining to direct or indirect use of this code or its
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* derivatives.
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*
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* CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
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* SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
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* FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
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* DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
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* RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
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* ANY DERIVATIVE WORK.
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*
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* Carnegie Mellon encourages users of this software to return any
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* improvements or extensions that they make, and to grant Carnegie
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* Mellon the rights to redistribute these changes without encumbrance.
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*
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* @(#) src/sys/coda/coda_pioctl.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
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* $FreeBSD$
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*
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*/
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/*
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* Mach Operating System
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* Copyright (c) 1989 Carnegie-Mellon University
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* Copyright (c) 1988 Carnegie-Mellon University
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* Copyright (c) 1987 Carnegie-Mellon University
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* All rights reserved. The CMU software License Agreement specifies
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* the terms and conditions for use and redistribution.
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*/
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/*
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* ITC Remote filesystem - vice ioctl interface module
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*/
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/*
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* TODO: Find /usr/local/include/viceioctl.h.
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*/
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#ifndef _SYS_PIOCTL_H_
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#define _SYS_PIOCTL_H_
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/* The 2K limits above are a consequence of the size of the kernel buffer
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used to buffer requests from the user to venus--2*MAXPATHLEN.
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The buffer pointers may be null, or the counts may be 0 if there
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are no input or output parameters
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*/
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#define _VICEIOCTL(id) ((unsigned int ) _IOW('V', id, struct ViceIoctl))
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/* Use this macro to define up to 256 vice ioctl's. These ioctl's
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all potentially have in/out parameters--this depends upon the
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values in the ViceIoctl structure. This structure is itself passed
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into the kernel by the normal ioctl parameter passing mechanism.
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*/
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#define _VALIDVICEIOCTL(com) (com >= _VICEIOCTL(0) && com <= _VICEIOCTL(255))
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#endif
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