Re: [Qemu-devel] [PATCH] qemu: msi irq allocation api

[Avi Kivity]

Paul Brook wrote:
> > The PCI bus doesn't need any special support (I think) but something on
> > the other end needs to interpret those writes.
> >     
>
> Sure. But there's definitely nothing PCI specific about it. I assumed this 
> would all be contained within the APIC.
>   

MSIs are defined by PCI and their configuration is done using the PCI 
configuration space.

> > In any case we need some internal API for this, and qemu_irq looks like
> > a good choice.
> >     
>
> What do you expect to be using this API?
>   

virtio, emulated devices capable of supporting MSI (e1000?), device 
assignment (not yet in qemu.git).

--
error compiling committee.c: too many arguments to function