On Tue, Sep 12, 2017 at 11:42:38AM +0100, Julien Grall wrote: > Hi Roger, > > On 14/08/17 15:28, Roger Pau Monne wrote: > > This functionality is going to reside in vpci.c (and the corresponding > > vpci.h header), and should be arch-agnostic. The handlers introduced > > in this patch setup the basic functionality required in order to trap > > accesses to the PCI config space, and allow decoding the address and > > finding the corresponding handler that should handle the access > > (although no handlers are implemented). > > If I understand correctly this patch, the virtual BDF will always correspond > to the physical BDF. Is that right? If so, would you mind to explain why > such restriction?
Yes, this is not a limitation of this patch, but of the implementation that follows. Likely this will be expanded when support for DomU is added, but for Dom0 at least on x86 adding such a translation layer is not needed, since I see no reason to present a different PCI topology to Dom0. Thanks, Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
