On Mon, Sep 25, 2017 at 07:02:06PM +0100, Peter Maydell wrote: > On 25 September 2017 at 18:51, Eduardo Habkost <ehabk...@redhat.com> wrote: > > On Mon, Sep 25, 2017 at 06:45:15PM +0100, Peter Maydell wrote: > >> You should be able to on the command line for x86 do something > >> like -device virtio-pci,... -device virtio-foo-device,... > >> to manually create the pci transport and the backend. > > > > virtio-pci is abstract, so this is not possible. (The same > > applies to virtio-ccw-device). > > Did I use the wrong device name? I meant the transport > layer device (which virtio-pci-blk creates along with > virtio-blk-device internally), not the abstract device > that's a base class for the pci devices.
AFAIK, virtio-pci/virtio-pci-blk itself is the transport layer device. Internally, it creates two objects: a virtio-pci-bus (which is a 1-device bus, not creatable using -device), and a virtio-blk-device attached to that bus. -- Eduardo