Re: [Xen-devel] [early RFC] ARM PCI Passthrough design document

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hello Sameer,

On 19/05/17 07:38, Goel, Sameer wrote:
> On 12/29/2016 7:04 AM, Julien Grall wrote:
>
> > ### Finding the StreamID and DeviceID
> >
> > The static table IORT (see [5]) will provide information that will help to
> > deduce the StreamID and DeviceID from a given RID.
> IORT table will also need some information on PCI seg to parse through the table
> and find the required SMMU. Should, we consider the API to be similar to Linux.
> This will mandate pulling in parts of fw_spec which will make the bookkeeping 
> for
> SMMUs easier.
I haven't looked closely at the code. I would say we need to pull what 
makes sense.
I would recommend you to send an RFC of your proposal where we can 
discuss about the various ways.
> Also, for arm64 will be be reusing the current definition of struct pci_device? 
> (SBDF specifically)
Do you mean pci_dev in Xen? Or something else?

Cheers,

--
Julien Grall

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