On 01/08/2013 05:05 PM, Don Dutile wrote:

> (a) no such thing as a non-PCIe VF -- all VFs
>     are PCIe-based.

The sriov spec says that a VF doesn't necessarily has to have PCIE cap:
"3.5 PCI Express Capability:
   ...
   PFs and VFs are required to implement this capability ... subject to
   the exceptions and additional requirements described below"

> (b) code says to return null if VF doesn't have PCIe cap,
>     but the code checks if pdev is VF and if PF is PCIe,
>     which it must be! ...

You are right, I should rather check if the VF is not a pcie.

> nack until a better &/or matching explanation of what
> the real problem is, and what the solution is trying to do.

The problem is that I do have a device where VFs are not PCIE and I get this 
nasty warning.
For now I have a workaround, but it would be nice it Linux would support non 
PCIE VFs.

Thanks,
T

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