Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-08-13 at 11:37 +0100, Julien Grall wrote:
> >  4.2.2    Xenstore Update: For each PCI-EP BAR (IPA-PA mapping info).
> >  ----------------------------------------------------------------------
> > ------
> > 
> >  Toolstack also updates the xenstore information for the device
> >  (virtualbar:physical bar).This information is read by xen-pciback and
> >  returned to the domU-pcifront driver configuration space reads for 
> > BAR.
> > 
> >  Entries created are as follows:
> >  /local/domain/0/backend/pci/1/0
> >  vdev-N
> >      BDF = ""
> >      BAR-0-IPA = ""
> >      BAR-0-PA = ""
> >      BAR-0-SIZE = ""
> >      ...
> >      BAR-M-IPA = ""
> >      BAR-M-PA = ""
> >      BAR-M-SIZE = ""
> > 
> >  Note: If BAR M SIZE is 0, it is not a valid entry.
> 
> How would you describe the ROM in xenstore?

You mean the ROM BAR? BAR-ROM-* perhaps? 

> 
> 
> regards,
> 

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel