> From: virtio-dev@lists.oasis-open.org <virtio-dev@lists.oasis-open.org> On > Behalf Of Michael S. Tsirkin > Sent: Thursday, May 11, 2023 9:45 AM > > On Thu, May 11, 2023 at 01:15:15PM +0000, Parav Pandit wrote: > > > Why not simply invent individual commands to access legacy > > > facilities like commands to access like what transport virtqueue did > > > for modern > > > device?: > > > > > I don’t see how this is being any different than register-offset interface. > > For example legacy device config's offset moves depending on MSI enable. > Which is a missing piece in the current proposal btw as I keep saying. How is this missing? The offset is decided by the driver when msi enable. Device also know that msi is enable/disabled. So device responds based on what is done with msi, like how a device responds today on iobar.
I responded in this previously, don’t have the link, not sure if you got chance to read through.
