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xen-users
Re: [Xen-users] How do you give USB to a Windows domU?
On Fri, 2009-10-30 at 13:31 -0600, Nick Couchman wrote:
> On Windows HVMs, the "usbdevice=tablet" takes up the one USB device
> that you can forward through to the domU. So, you have to disable
> that, then you can forward through a usb device. You can use
> "usbdevice=host:xxx.yyy" or "usbdevice=host:aaaa:bbbb" - in the first
> case, it's the bus location where the device is plugged in; in the
> second case it's the vendor ID and device ID of the USB device.
>
> -Nick
>
So do I need to worry about pciback stuff? Looking at the Running Xen
book I tried what they suggested by adding the pciback.permissive and
pciback.hide commands. Got this in dmesg:
# dmesg | grep pciback
Bootdata ok (command line is root=/dev/disk/by-id/scsi-200d0b29d2d004400-part2
vga=0x317 resume=/dev/sda1 splash=silent showopts pciback.permissive
pciback.hide=(00:1d.0)(0000:00:1d.0))
Kernel command line: root=/dev/disk/by-id/scsi-200d0b29d2d004400-part2
vga=0x317 resume=/dev/sda1 splash=silent showopts pciback.permissive
pciback.hide=(00:1d.0)(0000:00:1d.0)
Unknown boot option `pciback.permissive': ignoring
Unknown boot option `pciback.hide=(00:1d.0)(0000:00:1d.0)': ignoring
How do I disable usbdevice=tablet and where do you put the
usbdevice=host:xxx.yyy?
Here's what the config looks like:
# xm list -l Vista
(domain
(on_crash destroy)
(uuid abf38e32-96d7-dcdd-ac1c-76a0c62adc1b)
(bootloader_args )
(vcpus 2)
(name Vista)
(on_poweroff destroy)
(on_reboot restart)
(bootloader )
(maxmem 1024)
(memory 1024)
(shadow_memory 10)
(features )
(on_xend_start ignore)
(on_xend_stop ignore)
(start_time 1256911200.21)
(cpu_time 84.60747841)
(image
(hvm
(kernel /usr/lib/xen/boot/hvmloader)
(hpet 0)
(boot c)
(rtc_timeoffset -18000)
(pae 1)
(acpi 1)
(localtime 1)
(timer_mode 0)
(apic 1)
(device_model /usr/lib/xen/bin/qemu-dm)
(usb 1)
(notes (SUSPEND_CANCEL 1))
)
)
(status 0)
(device
(vif
(bridge eth4)
(mac 00:16:3e:29:52:0c)
(backend 0)
(uuid 9fdd461a-4636-4e6b-432b-91dfd2f75a07)
(script vif-bridge)
)
)
(device
(vbd
(uuid cf9d7942-f200-0b99-a4ba-fcdd17494aee)
(bootable 1)
(driver paravirtualised)
(dev hda:disk)
(uname file:/xendata2/images/Vista/disk0)
(mode w)
(backend 0)
)
)
(device (vkbd (uuid 08076ab7-815d-c9a6-8ee2-5d04d215a643) (backend
0)))
(device
(vfb
(vncunused 1)
(type vnc)
(uuid 2af45cb8-5722-6419-4840-1820d6c44b36)
(location 127.0.0.1:5900)
)
)
(device
(console
(protocol vt100)
(location 4)
(uuid 58e633ec-843e-5eee-3fdf-0ffa0647bcde)
)
)
)
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