Thanks for the response Stephen. Are you referring to Virt-IO 0.9 in specific here in the response or for any Virt-IO versions in general?
On Thu, Oct 1, 2015 at 8:12 PM, Stephen Hemminger < stephen at networkplumber.org> wrote: > On Thu, 1 Oct 2015 09:51:42 +0530 > Venkateswara Rao Dokku <dvrao.584 at gmail.com> wrote: > > > Hi, > > > > If we go through the DPDK code it is observed that we are using MMIO for > > Virt-IO devices. But in the Virt-IO specification, it is written that > from > > Virt-IO 1.0 onwards only they are supporting MMIO, all previous versions > > uses Port IO for RX/TX notifications. > > > > So, If I use VirtIO 0.9, Can I get the MMIO based notifications for RX/TX > > or is it supported only for Virt-IO 1.0 onwards? > > > > Although the virtio device will bind to the mmio address in some cases, > it does not use that. It uses i/o port access (see iopl) to activate > host. > -- Thanks & Regards, Venkateswara Rao Dokku.
