Re: [Qemu-devel] [PATCH v2 06/11] nvdimm acpi: initialize the resource used by NVDIMM ACPI

[Michael S. Tsirkin]

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