search for: pci_exp_devcap_phantom

Hi, guys. I''ve been trying to use the pci-phantom command line options to xen so as to work around the hardware issue with the Marvell 88SE91xx SATA controllers in IOMMU ([Intel:] VT-d) mode, but I cannot seem to get my head around it. From having had a glance here: http://xenbits.xen.org/docs/unstable/misc/xen-command-line.html and in particular the syntax described as such: