1.\" 2.\" Copyright (c) 2011 Hans Petter Selasky. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 14.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 15.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 17.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 23.\" POSSIBILITY OF SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd May 17, 2011 28.Dt XHCI 4 29.Os 30.Sh NAME 31.Nm xhci 32.Nd USB eXtensible Host Controller driver 33.Sh SYNOPSIS 34.Cd "device xhci" 35.Sh DESCRIPTION 36The 37.Nm 38driver provides support for the 39.Tn USB 40eXtensible Host Controller Interface, 41which allows use of 42.Tn USB 431.0, 2.0 and 3.0 devices on the same 44.Tn USB 45port. 46.Pp 47The 48.Tn XHCI 49controller supports 50.Tn USB 51connection speeds up to 5.0Gbps when using a USB 3.0 compliant device. 52.Sh HARDWARE 53The 54.Nm 55driver supports 56.Tn XHCI 57compatible controllers having PCI class 12 (serial bus), 58subclass 3 (USB) and programming interface 48 (XHCI). 59.Sh SEE ALSO 60.Xr ehci 4 , 61.Xr ohci 4 , 62.Xr uhci 4 , 63.Xr usb 4 64.Sh HISTORY 65The 66.Nm 67device driver first appeared in 68.Fx 8.2 . 69