On Wed, Aug 29, 2012 at 03:54:56PM -0700, Yinghai Lu wrote: > On Wed, Aug 29, 2012 at 3:44 PM, Jon Mason <jdmason@xxxxxxxx> 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? The driver parameter has to go away. The parameter makes more sense to be associated with a PF than with the driver. It has to be a run time interface to enable/disable the number of VFs for a given PF. RP -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
