Am 02.02.2016 um 14:36 schrieb Markus Armbruster: > Gerd Hoffmann <kra...@redhat.com> writes: > >> This patch marks usb-bot as hot-pluggable device, makes attached >> property settable and turns off auto-attach in case the device >> was hotplugged. >> >> Hot-plugging a usb-bot device with one or more scsi devices can be >> done this way now: >> >> (1) device-add usb-bot,id=foo >> (2) device-add scsi-{hd,cd},bus=foo.0,lun=0 >> (2b) optionally add more devices (luns 0 ... 15). >> (3) qom-set foo.attached = true > > This isn't exactly pretty, but it beats no hot plug. > > A general solution for hot plugging composite devices could perhaps be > prettier, but I'm not aware of any recent work in the area. Andreas, > Paolo?
Not aware, no. Essentially we'd need a DeviceClass::dont_realize flag, right? Then foo.attached=true could become foo.realized=true. Question is then whether the bus would be attachable prior to realization - to be tested. Haven't read the full series yet, so puzzled what kind of bot this is supposed to be. ;) Cheers, Andreas >> Signed-off-by: Gerd Hoffmann <kra...@redhat.com> > > Assuming we want this because we can't have a general solution now: > > Reviewed-by: Markus Armbruster <arm...@redhat.com> -- SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg)