1*86d7f5d3SJohn Marino.\" Copyright (c) 1996 Doug Rabson 2*86d7f5d3SJohn Marino.\" 3*86d7f5d3SJohn Marino.\" All rights reserved. 4*86d7f5d3SJohn Marino.\" 5*86d7f5d3SJohn Marino.\" This program is free software. 6*86d7f5d3SJohn Marino.\" 7*86d7f5d3SJohn Marino.\" Redistribution and use in source and binary forms, with or without 8*86d7f5d3SJohn Marino.\" modification, are permitted provided that the following conditions 9*86d7f5d3SJohn Marino.\" are met: 10*86d7f5d3SJohn Marino.\" 1. Redistributions of source code must retain the above copyright 11*86d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer. 12*86d7f5d3SJohn Marino.\" 2. Redistributions in binary form must reproduce the above copyright 13*86d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer in the 14*86d7f5d3SJohn Marino.\" documentation and/or other materials provided with the distribution. 15*86d7f5d3SJohn Marino.\" 16*86d7f5d3SJohn Marino.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 17*86d7f5d3SJohn Marino.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18*86d7f5d3SJohn Marino.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19*86d7f5d3SJohn Marino.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 20*86d7f5d3SJohn Marino.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21*86d7f5d3SJohn Marino.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22*86d7f5d3SJohn Marino.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23*86d7f5d3SJohn Marino.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24*86d7f5d3SJohn Marino.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25*86d7f5d3SJohn Marino.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26*86d7f5d3SJohn Marino.\" 27*86d7f5d3SJohn Marino.\" $FreeBSD: src/share/man/man9/VOP_IOCTL.9,v 1.5.2.1 2001/12/17 11:30:18 ru Exp $ 28*86d7f5d3SJohn Marino.\" 29*86d7f5d3SJohn Marino.Dd July 24, 1996 30*86d7f5d3SJohn Marino.Dt VOP_IOCTL 9 31*86d7f5d3SJohn Marino.Os 32*86d7f5d3SJohn Marino.Sh NAME 33*86d7f5d3SJohn Marino.Nm VOP_IOCTL 34*86d7f5d3SJohn Marino.Nd device specific control 35*86d7f5d3SJohn Marino.Sh SYNOPSIS 36*86d7f5d3SJohn Marino.In sys/param.h 37*86d7f5d3SJohn Marino.In sys/vnode.h 38*86d7f5d3SJohn Marino.Ft int 39*86d7f5d3SJohn Marino.Fn VOP_IOCTL "struct vnode *vp" "u_long command" "caddr_t data" "int fflag" "struct ucred *cred" "struct proc *p" 40*86d7f5d3SJohn Marino.Sh DESCRIPTION 41*86d7f5d3SJohn MarinoManipulate a file in device dependent ways. 42*86d7f5d3SJohn Marino.Pp 43*86d7f5d3SJohn MarinoIts arguments are: 44*86d7f5d3SJohn Marino.Bl -tag -width command 45*86d7f5d3SJohn Marino.It Ar vp 46*86d7f5d3SJohn Marinothe vnode of the file (normally representing a device) 47*86d7f5d3SJohn Marino.It Ar command 48*86d7f5d3SJohn Marinothe device specific operation to perform 49*86d7f5d3SJohn Marino.It Ar cnp 50*86d7f5d3SJohn Marinoextra data for the specified operation 51*86d7f5d3SJohn Marino.It Ar fflag 52*86d7f5d3SJohn Marinosome flags ??? 53*86d7f5d3SJohn Marino.It Ar cred 54*86d7f5d3SJohn Marinothe caller's credentials 55*86d7f5d3SJohn Marino.It Ar p 56*86d7f5d3SJohn Marinothe calling process 57*86d7f5d3SJohn Marino.El 58*86d7f5d3SJohn Marino.Pp 59*86d7f5d3SJohn MarinoMost filesystems do not implement this entry point. 60*86d7f5d3SJohn Marino.Sh LOCKS 61*86d7f5d3SJohn MarinoThe file should not be locked on entry. 62*86d7f5d3SJohn Marino.Sh RETURN VALUES 63*86d7f5d3SJohn MarinoIf successful, zero is returned, otherwise an appropriate error code. 64*86d7f5d3SJohn Marino.Sh PSEUDOCODE 65*86d7f5d3SJohn Marino.Bd -literal 66*86d7f5d3SJohn Marinoint 67*86d7f5d3SJohn Marinovop_ioctl(struct vnode *vp, int command, caddr_t data, int fflag, 68*86d7f5d3SJohn Marino struct ucred *cred, struct proc *p) 69*86d7f5d3SJohn Marino{ 70*86d7f5d3SJohn Marino return EOPNOTSUPP; 71*86d7f5d3SJohn Marino} 72*86d7f5d3SJohn Marino.Ed 73*86d7f5d3SJohn Marino.Sh SEE ALSO 74*86d7f5d3SJohn Marino.Xr vnode 9 75*86d7f5d3SJohn Marino.Sh AUTHORS 76*86d7f5d3SJohn MarinoThis man page was written by 77*86d7f5d3SJohn Marino.An Doug Rabson . 78