> On 05-Jun-2017, at 9:41 PM, ron minnich <[email protected]> wrote: > > > > On Mon, Jun 5, 2017 at 9:00 AM Himanshu Chauhan <[email protected]> > wrote: > Hi, > > VT-d requires support from BIOS. Does coreboot support VT-d? > > > > what support does it need?
BIOS adds DMAR and other entries in the ACPI table. I am not quite sure how these entries are formed exactly though. https://www.mjmwired.net/kernel/Documentation/Intel-IOMMU.txt http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/vt-directed-io-spec.pdf Is anybody working on this? Regards Himanshu -- coreboot mailing list: [email protected] https://mail.coreboot.org/mailman/listinfo/coreboot
