On Wed, Feb 17, 2016 at 10:04:18AM +0800, Xiao Guangrong wrote: > >>>As for the rest could that commands go via MMIO that we usually > >>>use for control path? > >> > >>So both input data and output data go through single MMIO, we need to > >>introduce a protocol to pass these data, that is complex? > >> > >>And is any MMIO we can reuse (more complexer？) or we should allocate this > >>MMIO page （the old question - where to allocated?）? > >Maybe you could reuse/extend memhotplug IO interface, > >or alternatively as Michael suggested add a vendor specific PCI_Config, > >I'd suggest PM device for that (hw/acpi/[piix4.c|ihc9.c]) > >which I like even better since you won't need to care about which ports > >to allocate at all. > > Well, if Michael does not object, i will do it in the next version. :)
Sorry, the thread's so long by now that I'm no longer sure what does "it" refer to. -- MST
