[vbox-dev] PDM virtual PCI device bar size
Nikolay Igotti
igotti at gmail.com
Wed Apr 24 07:08:19 GMT 2013
Which chipset you are using? ICH9 generally shall be better suited for
your needs, due to recent
PCI features support.
Nikolay
23.04.2013 18:25, José Massada ?????:
> Hi all,
>
> I'm working on a PDM virtual PCI device module and I need to have a
> bar size of 512MB.
> This particular PCI device uses bar 0 and 1 for register blocks (64KB
> each) and bar 2 for memory (this one I need to be 512MB or even bigger).
>
> Registering the memory bar using the MMIO2 functions fails when the
> size is bigger than 256MB (hard coded limit in the allocation
> function) so I tried registering using MMIO. It seems to work but my
> read and write callbacks never get called (bar 0 and 1 also use MMIO
> and their callbacks always get called). I tried decreasing the bar 2
> size and the callbacks got called.
>
> Is this even possible without modifying VBox source code? What am I
> missing?
>
> Thanks,
> Jose
>
>
> _______________________________________________
> vbox-dev mailing list
> vbox-dev at virtualbox.org
> https://www.virtualbox.org/mailman/listinfo/vbox-dev
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.virtualbox.org/pipermail/vbox-dev/attachments/20130424/0696f6e5/attachment.html>
More information about the vbox-dev
mailing list