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Re: [Xen-devel] how to route interrupts directly to HVM guest from hyper

To: veerasena reddy <veeruyours@xxxxxxxxx>
Subject: Re: [Xen-devel] how to route interrupts directly to HVM guest from hypervisor
From: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date: Mon, 6 Jun 2011 09:47:21 +0100
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At 19:05 +0530 on 05 Jun (1307300753), veerasena reddy wrote:
> I want to customize my XEN-4.0 hypervisor to directly pass interrupts from
> an IO device to HVM guest driver directly without involving dom0. Means,
> when the hypervisor receives real interrupts from IO device and then i want
> to send virtual interrupt to HVM guest without involving dom0.

This is already how PCI passthrough devices work, AIUI.  Have a look at
xc_domain_bind_pt_irq() in libxc. 


Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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