[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Will Xen change the mapping after PCIe reset for the VT-d device?
On 10/6/08, pradeep singh rautela <rautelap@xxxxxxxxx> wrote: > On Wed, Oct 1, 2008 at 10:52 PM, Neo Jia <neojia@xxxxxxxxx> wrote: >> Could you show me where the PCI manager in the Xen hypervisor? > > I do not know but I doubt if it is in there yet. > Maybe someone better can ans this question. > What I said was from simple SR-IOV specification. SR-IOV implementation is out there, PCIM has to be driver specific rather a generic implementation in Hypervisor. http://lkml.org/lkml/2008/9/1/99. Now Code bases says that use the functionality in driver to enable IOV configuration space. > > Thanks, > >> >> Thanks, >> Neo >> >> On Wed, Oct 1, 2008 at 12:53 AM, pradeep singh rautela >> <rautelap@xxxxxxxxx> wrote: >>> On Wed, Oct 1, 2008 at 12:33 PM, Neo Jia <neojia@xxxxxxxxx> wrote: >>>> hi, >>>> >>>> After a secondary bus reset Xen will restore the PCI configure space >>>> for the VT-d device, will the mapping still valid as we are using the >>>> original BARs? >>>> >>>> Let's assume the guest device driver will not change the BARs as Xen >>>> only save the register after guest shutdown/reset. >>> >>> Won't SR(MR) PCI Manager take care of this? ( provided it sits in the >>> Xen hypervisor) >>> >>> Thanks, >>> --Pradeep >>>> >>>> Thanks, >>>> Neo >>>> -- >>>> I would remember that if researchers were not ambitious >>>> probably today we haven't the technology we are using! >>>> >>>> _______________________________________________ >>>> Xen-devel mailing list >>>> Xen-devel@xxxxxxxxxxxxxxxxxxx >>>> http://lists.xensource.com/xen-devel >>>> >>> >>> >>> >>> -- >>> Pradeep Singh Rautela >>> http://eagain.wordpress.com >>> http://emptydomain.googlepages.com >>> >> >> >> >> -- >> I would remember that if researchers were not ambitious >> probably today we haven't the technology we are using! >> > > > > -- > Pradeep Singh Rautela > http://eagain.wordpress.com > http://emptydomain.googlepages.com > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |