Am 11.05.2012 17:22, schrieb Markus Armbruster: > For historical reasons, and unlike other block devices, our floppy > devices isa-fdc, sysbus-fdc and SUNW,fdtwo integrate the controller > and the drive(s) in a single qdev. This makes them weird: we need > -global to set up floppy drives, unlike every other optional device.
I like the idea of splitting the drives from the controller. In fact, I think we could even try to split them into a separate hw/fdd.c > Unfortunately, eliding the qbus means I can't make the floppy disk a > qdev (sub-class of TYPE_DEVICE), because qdevs can only connect to a > qbus. Anthony tells me that restriction is gone in his latest QOM > series. > > Since it's not a qdev, -device fdd does not work. Pity, because it > defeats the stated purpose of making floppy disk drives work like > other existing optional devices. As long as this is true, committing a patch like this doesn't help a lot, so I hope Anthony's patches will go in before this is ready. > Note: I *break* -global isa-fdc.driveA=... The properties are simply > gone. Fixable if we need backwards compatibility there. We might need it, I seem to remember that libvirt uses it. Kevin
