On Mon, Apr 03, 2023 at 03:11:52PM -0400, Stefan Hajnoczi wrote: > On Mon, Apr 03, 2023 at 01:48:46PM -0400, Michael S. Tsirkin wrote: > > On Mon, Apr 03, 2023 at 10:53:29AM -0400, Parav Pandit wrote: > > > On 4/3/2023 10:45 AM, Stefan Hajnoczi wrote: > > > > On Fri, Mar 31, 2023 at 01:58:23AM +0300, Parav Pandit wrote: > > > > > 3. A hypervisor system prefers to have single stack regardless of > > > > > virtio device type (net/blk) and be future compatible with a > > > > > single vfio stack using SR-IOV or other scalable device > > > > > virtualization technology to map PCI devices to the guest VM. > > > > > (as transitional or otherwise) > > > > > > > > What does this paragraph mean? > > > > > > > It means regardless of a VF being transitional MMR VF or 1.x VF without > > > any > > > MMR extensions, there is single vfio virtio driver handling both type of > > > devices to map to the guest VM. > > > > I don't think this can be vfio. You need a host layer translating > > things such as device ID etc. > > An mdev driver?
vdpa seems more likely. we can extend it to support legacy if we want to. -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
