Hi Iain, On 7/5/19 10:31 AM, Iain Hunter wrote: > Hi Denis, > That is about as far as I got.... > > The driver to handle crossbar is > https://github.com/torvalds/linux/blob/master/drivers/irqchip/irq-crossbar.c > The documentation is > https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/arm/omap/crossbar.txt Julien recommended me to look at the tegra example: https://lists.xenproject.org/archives/html/xen-devel/2017-04/msg00991.html And I believe that Stefano proposed to implement a virtualized crossbar control register. I am going to try to expose the whole crossbar to the dom0 by mapping it into dom0 and after that to unmap it and restrict the use of the control register via register_mmio_handler. Don't know whether this will work.
-- Regards, Denis Obrezkov
signature.asc
Description: OpenPGP digital signature
_______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
