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xen-devel
Re: [Xen-devel] disable qemu PCI devices in HVM domains
On 13/12/2008 10:05, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:
> Citrix use fixed ports for logging. The problem with using
> xen-platform-pci's ioport range is that I can only get to them once the
> windows pci bus driver has enumerated all the devices, and it's too late
> by then as Windows has already enumerated PDO's for all the devices. The
> only way around this would be to send an 'unplug' event to xen to remove
> the PCI devices, but is the standard PCI bus emulated by qemu hotplug
> capable? And would windows even cope with a hotplug event that early in
> the boot process?
Does Windows remap the BAR? If not you can go probe the PCI space yourself?
It's really easy to do.
-- Keir
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