2 .\" Copyright (c) 2011 Hans Petter Selasky. All rights reserved.
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5 .\" modification, are permitted provided that the following conditions
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21 .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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32 .Nd USB eXtensible Host Controller driver
38 driver provides support for the
40 eXtensible Host Controller Interface,
43 1.0, 2.0 and 3.0 devices on the same
51 connection speeds up to 5.0Gbps when using a USB 3.0 compliant device.
57 compatible controllers having PCI class 12 (serial bus),
58 subclass 3 (USB) and programming interface 48 (XHCI).
67 device driver first appeared in