feat: Added NetBSD man pages

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diff --git a/static/netbsd/man4/xpci.4 b/static/netbsd/man4/xpci.4
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+.\"	$NetBSD: xpci.4,v 1.3 2014/03/18 18:20:39 riastradh Exp $
+.\"
+.\" Copyright (c) 2011 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Jean-Yves Migeon <jym@NetBSD.org>.
+.\"
+.\" 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, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``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 FOUNDATION OR CONTRIBUTORS
+.\" 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 January 8, 2011
+.Dt XPCI 4 xen
+.Os
+.Sh NAME
+.Nm xpci
+.Nd Xen frontend paravirtualized PCI pass-through driver
+.Sh SYNOPSIS
+.Cd "xpci* at xenbus?"
+.Cd "pci* at xpci?"
+.Sh DESCRIPTION
+The
+.Nm
+driver is the frontend part of the PCI pass-through functionality
+that can be used by
+.Tn Xen
+guest domains to communicate with PCI devices.
+.Pp
+From a guest point of view,
+.Nm
+is similar to a
+.Xr pci 4
+bus, except that the guest talks with the PCI backend driver
+instead of the real physical device directly.
+.Pp
+When the host domain is
+.Nx ,
+the
+.Nm
+driver is backed by a
+.Xr pciback 4
+driver within the dom0.
+.Sh SEE ALSO
+.Xr pci 4 ,
+.Xr pciback 4 ,
+.Xr xenbus 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Nx 5.1 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Manuel Bouyer Aq Mt bouyer@NetBSD.org .
+.Sh SECURITY CONSIDERATIONS
+As PCI passthrough offers the possibility for guest domains
+to send arbitrary PCI commands to a physical device, this has
+direct impact on the overall stability and security of the system.
+For example, in case of erroneous or malicious commands, the device
+could overwrite physical memory portions, via DMA.