system/devices/usb.rst

4 QEMU can emulate a PCI UHCI, OHCI, EHCI or XHCI USB controller. You can
32 The QEMU EHCI Adapter supports USB 2.0 devices.  It can be used either
38 When running EHCI in standalone mode you can add UHCI or OHCI
49 You can use the standard ``-device`` switch to add a EHCI controller to
55 When adding USB devices using the ``-device`` switch you can specify the
74 The UHCI and OHCI controllers can attach to a USB bus created by EHCI
83 you, which you can use like this:
100 USB devices can be connected with the ``-device usb-...`` command line
131    specify what those disks are backed by. One ``usb-uas`` device can
168    ``tablet`` above but it can be used with the tslib library because in
197    user-mode networking can be used with
222 If you need to, you can also specify the physical port where
223 the device will show up in the guest.  This can be done using the
242 specify some unique id which you can use to refer to the device.
243 You can then use ``device_del`` to unplug the device later.
252 The ``usb-bot`` and ``usb-uas`` devices can be hotplugged.  In the hotplug
285 3. Since only root can access to the USB devices directly, you can
301    You should see the list of the devices you can use (Never try to use
311    You can use the option ``-device usb-host,...`` to do the same.
313 6. Now you can try to use the host USB device in QEMU.
337 In theory you can combine all these properties as you like.  In
356 for 1.1 devices, you can pass through any device plugged into that port
399 All usb devices have support for recording the usb traffic.  This can
405 tools, including ``wireshark``, can decode and inspect these trace