On Mon, Aug 22, 2011 at 08:42:35AM -0400, Avi Kivity wrote: > On 08/22/2011 03:36 PM, Roedel, Joerg wrote: > > On the AMD IOMMU side this information is stored in the IVRS ACPI table. > > Not sure about the VT-d side, though. > > I see. There is no sysfs node representing it? No. It also doesn't exist as a 'struct pci_dev'. This caused problems in the AMD IOMMU driver in the past and I needed to fix that. There I know that from :) > I'd rather not add another meaningless identifier. Well, I don't think its really meaningless, but we need some way to communicate the information about device groups to userspace. Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
