Re: [Xen-devel] [RFC + Queries] Flow of PCI passthrough in ARM

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-10-08 at 19:07 +0530, manish jaggi wrote:
> Thanks for replying. As detailed in this thread, I need to create a
> hypercall that would send the following information to Xen at the time
> of PCI attach
> { sbdf , domU sbdf, domainId }.
> I am not able to find a way to get the domU sbdf from dom0 at the time
> of pci-attach.

I think it would need to be done by the pciback driver in the dom0
kernel, which AFAIK is the thing which consistently knows both physical
and virtual sbdf for a given assigned device.

Ian.


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