On Tue, Dec 18, 2012 at 10:33:37AM +0000, Peter Maydell wrote: > On 17 December 2012 15:45, Michael S. Tsirkin <m...@redhat.com> wrote: > > Is the point to allow virtio-mmio? Why can't virtio-mmio be just > > another bus, like a pci bus, and another binding, like the virtio-pci > > binding? > > (a) the current code is really not very nice because it's not > actually a proper set of QOM/qdev devices > (b) unlike PCI, you can't create sysbus devices on the > command line, because they don't correspond to a user > pluggable bit of hardware. We don't want users to have to know > an address and IRQ number for each virtio-mmio device (especially > since these are board specific); instead the board can create > and wire up transport devices wherever is suitable, and the > user just creates the backend (which is plugged into the virtio bus). > > -- PMM
This is what I am saying: create your own bus and put your devices there. Allocate resources when you init a device. Instead you seem to want to expose a virtio device as two devices to user - if true this is not reasonable. -- MST
