On 07/17/09 16:42, Kay, Allen M wrote:
> These hooks for two purposes:
>
> 1) Enabling of a SR-IOV virtual function. The hypercall will tell xen to 
> setup VT-d context entries for the BDF corresponding to the new virtual 
> function. This is required for SR-IOV to work.
>
> 2) PCI hot-plug support when devices are hot added/removed. Vt-d context 
> entries and data structures in Xen needs to be modified accordingly.
>
> These hooks needs to be enabled before either of these functions are 
> performed - I assume after dom0 boots.
>
> Can you suggest a better way to do this?
>
The best person to ask is probably Jesse Barnes (cc:d).
In general the way to approach these things is to either find something
in the kernel which does something analogous and use the same
interfaces, possibly extending them a bit if necessary.
 J
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