Re: [Xen-devel] Multiple IRQ's in HVM for Windows

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 27/12/2008 09:35, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> I'm not sure if I understand the question. Under my drivers I just do:
> 
> hvm_set_parameter(HVM_PARAM_CALLBACK_IRQ, irq_number);
> 
> where irq_number is what Windows assigns the platform PCI device, and is
> normally 28 when the HAL is APIC, otherwise it is 5, assuming no qemu
> network adapters or passed through PCI devices.
> 
> I think there is another way of setting the IRQ using the PCI address,
> but that doesn't appear to be required here.

So where will irq_number come from when every event channel needs one?

 -- Keir



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