Re: [Xen-devel] Multiple platform PCI device ID registries?

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Ian Campbell
> Sent: 13 November 2013 09:41
> To: xen-devel
> Cc: Paul Durrant; Ian Jackson; Stefano Stabellini
> Subject: Multiple platform PCI device ID registries?
> 
> http://xenbits.xen.org/docs/unstable-staging/misc/pci-device-
> reservations.txt
> vs
> http://xenbits.xen.org/docs/unstable-
> staging/hypercall/x86_64/include,public,hvm,pvdrivers.h.html
> 
> Are they distinct namespaces? Can someone clarify with a patch to one or
> both what the relationship is? How does this relate to the additional
> platform device thing which Paul added to qemu?
> 
> I'm particularly concerned that 0x0002 is different in the two of
> them...
> 

They are distinct namespaces. The former is PCI device ID, the latter is an 
abstract 'product number' which is used as part of the QEMU unplug protocol 
(and actually means nothing to the upstream QEMU platform device code anyway).

  Paul

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