From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bowers, AndrewX Date: Thu, 5 Mar 2020 22:35:25 +0000 Subject: [Intel-wired-lan] [PATCH 2/2] i40e: Register a virtbus device to provide RDMA In-Reply-To: <20200302165154.1098-2-shiraz.saleem@intel.com> References: <20200302165154.1098-1-shiraz.saleem@intel.com> <20200302165154.1098-2-shiraz.saleem@intel.com> Message-ID: <1af6ad8f2d2a4b9f8041989f805a910b@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: > -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces at osuosl.org] On > Behalf Of Shiraz Saleem > Sent: Monday, March 2, 2020 8:52 AM > To: intel-wired-lan at lists.osuosl.org > Cc: Saleem, Shiraz > Subject: [Intel-wired-lan] [PATCH 2/2] i40e: Register a virtbus device to > provide RDMA > > Register client virtbus device on the virtbus for the RDMA virtbus driver > (irdma) to bind to. It allows to realize a single RDMA driver capable of working > with multiple netdev drivers over multi-generation Intel HW supporting > RDMA. > There is also no load ordering dependencies between i40e and irdma. > > Summary of changes: > * Support to add/remove virtbus devices > * Add 2 new client ops. > * i40e_client_device_register() which is called during RDMA > probe() per PF. Validate client drv OPs and schedule service > task to call open() > * i40e_client_device_unregister() called during RDMA remove() > per PF. Call client close() and release_qvlist. > * The global register/unregister calls exported for i40iw are retained > until i40iw is removed from the kernel. > > Signed-off-by: Mustafa Ismail > Signed-off-by: Shiraz Saleem > --- > drivers/net/ethernet/intel/Kconfig | 1 + > drivers/net/ethernet/intel/i40e/i40e_client.c | 131 > ++++++++++++++++++++++---- > include/linux/net/intel/i40e_client.h | 15 +++ > 3 files changed, 127 insertions(+), 20 deletions(-) Tested-by: Andrew Bowers