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Diffstat (limited to 'static/openbsd/man9/getdevvp.9')
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diff --git a/static/openbsd/man9/getdevvp.9 b/static/openbsd/man9/getdevvp.9 new file mode 100644 index 00000000..b0376977 --- /dev/null +++ b/static/openbsd/man9/getdevvp.9 @@ -0,0 +1,90 @@ +.\" $OpenBSD: getdevvp.9,v 1.10 2025/09/20 13:56:15 mpi Exp $ +.\" +.\" Copyright (C) 2002 Peter A. Werner. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice(s), this list of conditions and the following disclaimer as +.\" the first lines of this file unmodified other than the possible +.\" addition of one or more copyright notices. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice(s), this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY +.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +.\" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY +.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH +.\" DAMAGE. +.\" +.\" +.Dd $Mdocdate: September 20 2025 $ +.Dt GETDEVVP 9 +.Os +.Sh NAME +.Nm getdevvp , +.Nm bdevvp , +.Nm cdevvp +.Nd create a vnode for a device +.Sh SYNOPSIS +.In sys/param.h +.In sys/vnode.h +.Ft int +.Fn getdevvp "dev_t dev" "struct vnode **vpp" "enum vtype type" +.Ft int +.Fn bdevvp "dev_t dev" "struct vnode **vpp" +.Ft int +.Fn cdevvp "dev_t dev" "struct vnode **vpp" +.Sh DESCRIPTION +The +.Fn getdevvp +function creates a vnode for a device of type +.Fa type +with a device number of +.Fa dev , +and returns a pointer to it in +.Fa vpp . +.Pp +Its arguments are: +.Bl -tag -width "rootrefs" +.It Fa dev +The device number of the desired device. +.It Fa vpp +Where the vnode will be returned on success. +.It Fa type +The type of device, either: +.Bl -tag -width "VBLK" +.It Dv VBLK +For a block device, or +.It Dv VCHR +for a character device. +.El +.El +.Pp +.Fn bdevvp +and +.Fn cdevvp +use getdevvp internally, specifying the third argument. +.Fn bdevvp +will create a vnode for a block device, and is used for the root file system +and swap areas, among other things. +.Fn cdevvp +will create a vnode for a character device and is used in console handling. +.Sh RETURN VALUES +All functions return 0 on success. +If an error occurs, vpp will point to +.Dv NULL . +See +.Xr getnewvnode 9 +for further return values. +.Sh SEE ALSO +.Xr getnewvnode 9 , +.Xr vnode 9 |
