On Thu, 2014-05-29 at 00:46 +0200, Alexander Graf wrote: > I don't think so :). In QEMU the PHB emulation would have to notify the > "container" (IOMMU emulation layer -> PE) that a PE operation happened. > It's that emulation code's responsibility to broadcast operations across > its own emulated operations (recover config space access, reconfigure > BARs, etc) and the VFIO PE operations. > > So from a kernel interface point of view, I think leaving out any > address information is the right way to go. Whether we managed to get > all QEMU internal interfaces modeled correctly yet has to be seen on the > next patch set revision :).
For a kernel interface I absolutely agree, all we care about is the group fd. From a qemu internal, I suppose it makes things easier to operate at the PHB level for now and we can revisit later if the need arises. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
