[Xen-devel] Xen pci passthru support for pci-e 4kB config space

[James Regan <jamregan1@xxxxxxxxx>]

Hi:

I have successfully leased (passed through) an ati hd 6450 to a win7 hvm domU as the primary gfx (, but I don't seem to have full functionality (e.g. HDCP).  Currently, I can see the 256 Byte PCI configuration space in the DomU (say if I leased the card to a linux guest and run lspci -xxxx), but is there a way to pass the full 4KBpci-e configuration space to an hvm guest?  My theory is that win7 utilizes this full configuration space to complete the HDCP handshake.  I am running xen 4.1.1-r2 on a gentoo dom0 (kernel 3.3.8) with vt-d, vt-x enabled chipset (MSI Z-68 and Intel i7 2600S).  I have applied the ati gfx primary gpu patches.  Any thoughts?  thank you.

Jim

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