[Xen-users] Re: AMD-V or VT

[Christian Tramnitz <chris.ace@xxxxxxx>]

Brian P. Martin wrote:

> Just to make sure I'm clear on this ... you're saying that unless I have
> VT-d, there is no way I'm going to give a fully virtualized guest direct
> access to a parallel port of any kind (either on the mobo or on a PCI card).
> Do I have that right?
Not quite, for a PCI card yes, you would definitively need VT-d, but 
there are some exceptions for special devices like serial ports and usb 
devices. I'm not aware of a special parallel passthrough option but I 
may have missed that.
If there isn't one have you thought about a usb to parallel adapter and 
passing through the usb device? Afaik James Harper is currently working 
on an extension of his GPLPV drivers that will cover PVUSB...

Best regards,
   Christian


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