From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: Multiple IRQ's in HVM for Windows
Date: Sat, 27 Dec 2008 09:57:35 +0000
Message-ID: <C57BAC8F.20947%keir.fraser@eu.citrix.com>
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To: James Harper <james.harper@bendigoit.com.au>, xen-devel@lists.xensource.com
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On 27/12/2008 09:35, "James Harper" <james.harper@bendigoit.com.au> 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