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