[Ksummit-2012-discuss] PCI mini-summit notes

[Yinghai Lu]

On Wed, Aug 29, 2012 at 3:44 PM, Jon Mason <jdmason at kudzu.us> wrote:
>> Hi Bjorn,
>>         One of my team member reported another corner case for SR-IOV. There's
>> are two NIC cards in the system driven by the same driver, but one supports
>> SR-IOV and the other doesn't. It runs into trouble if "max_vfs" parameter is
>> set for the NIC driver.
>>         --Gerry
>
> I believe it was decided that a per-pf sysfs interface would be used
> to replace the current module parameter that specifies the number of
> vf's.  This should enable different numbers of vf's for each physical
> device.  The driver interface that was discussed would introduce new
> function pointers for handlers to setup/teardown the vf's.  I believe
> this will solve your problem once it has been implemented.

now we have ixgbe.max_vfs=63

so if change to per pci device (PF),

how about having the driver built-in?
what kind of kernel parameters will be passed?

Thanks

Yinghai