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[Xen-devel] Question about the XEN platform pci

  • To: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
  • From: "Wu, Bob" <Bob.Wu@xxxxxxx>
  • Date: Fri, 8 Apr 2016 08:52:08 +0000
  • Accept-language: en-US
  • Delivery-date: Fri, 08 Apr 2016 08:52:43 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: AdGRcocYbS4FaSsjTtaE+T002VcFJw==
  • Thread-topic: Question about the XEN platform pci


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.


Really thank you for your replay.





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