On Mon, 13 Jul 2020 10:43:16 -0700 Tony Nguyen wrote: > From: Haiyue Wang <haiyue.w...@intel.com> > > The DCF (Device Config Function) is a named trust VF (always with ID 0, > single entity per PF port) that can act as a sole controlling entity to > exercise advance functionality such as adding switch rules for the rest > of VFs.
But why? This looks like a bifurcated driver to me. > To achieve this approach, this VF is permitted to send some basic AdminQ > commands to the PF through virtual channel (mailbox), then the PF driver > sends these commands to the firmware, and returns the response to the VF > again through virtual channel. > > The AdminQ command from DCF is split into two parts: one is the AdminQ > descriptor, the other is the buffer (the descriptor has BUF flag set). > These two parts should be sent in order, so that the PF can handle them > correctly. > > Signed-off-by: Haiyue Wang <haiyue.w...@intel.com> > Tested-by: Nannan Lu <nannan...@intel.com> > Tested-by: Andrew Bowers <andrewx.bow...@intel.com> > Signed-off-by: Tony Nguyen <anthony.l.ngu...@intel.com>
