Re: [Xen-devel] Question about the XEN platform pci

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Apr 08, 2016 at 08:52:08AM +0000, Wu, Bob wrote:
> 
> Sorry bother, I read the XEN source code recently, and found the XEN platform 
> PCI code under drivers/xen/platform-pci.c,
> and I can't fully under this driver's affect, can anybody explain a little 
> for me?
> 
> Is the platform PCI driver for PV-split-PCI-driver-model such as the 
> pci-frontend/pci-backend? or for PCI pass-through model? Or for other purpose?
> I saw the xenbus_pcifront_driver/ xenbus_xen_pcibk_driver are registered on 
> XENBUS, so I guess the platform-PCI-driver is not for PV PCI driver.
> 

It is for the QEMU driver. To tell QEMU to stop emulating the IDE/network.

> Really thank you for your replay.
> 
> Thanks,
> Bob
> 

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