Re: [uml-user] IRQ support?

[Richard W. <ric...@gm...>]

Hi!

CC'ing -devel list.

On Thu, Oct 22, 2015 at 1:29 PM, Ricardo Nunes
<ric...@gm...> wrote:
> I'm trying to use a real hardware driver inside UML and I,ve come to the IRQ
> suppor part.

How do you map the hardware into UML?

> Right now it's failing on request_irq call, so my question is if there is
> any manual on how to support this method calls in UML or if it's supposed to
> work as it is.
>
> I need to register IRQs and raise them. After a few searches I saw SIGIO
> module and everything, but it didn't help enough.

UML is using SIGIO for interrupts.

> What's the best way to support this?

Well, it depends how you map the hardware.
Maybe you can use vfio.

-- 
Thanks,
//richard