> -----Original Message----- > From: Intel-wired-lan <[email protected]> On Behalf Of > Michal Swiatkowski > Sent: Monday, September 18, 2023 8:24 AM > To: [email protected] > Cc: [email protected]; Michal Swiatkowski > <[email protected]>; Fijalkowski, Maciej > <[email protected]>; Kitszel, Przemyslaw > <[email protected]> > Subject: [Intel-wired-lan] [PATCH iwl-next v2 3/4] ice: set MSI-X vector count > on VF > > Implement ops needed to set MSI-X vector count on VF. > > sriov_get_vf_total_msix() should return total number of MSI-X that can be > used by the VFs. Return the value set by devlink resources API (pf- > >req_msix.vf). > > sriov_set_msix_vec_count() will set number of MSI-X on particular VF. > Disable VF register mapping, rebuild VSI with new MSI-X and queues values > and enable new VF register mapping. > > For best performance set number of queues equal to number of MSI-X. > > Signed-off-by: Michal Swiatkowski <[email protected]> > Reviewed-by: Przemek Kitszel <[email protected]> > --- > drivers/net/ethernet/intel/ice/ice_main.c | 2 + > drivers/net/ethernet/intel/ice/ice_sriov.c | 69 ++++++++++++++++++++++ > drivers/net/ethernet/intel/ice/ice_sriov.h | 13 ++++ > 3 files changed, 84 insertions(+) > > diff --git a/drivers/net/ethernet/intel/ice/ice_main.c > b/drivers/net/ethernet/intel/ice/ice_main.c > index 38adffbe0edf..c301ab1d6610 100644 > --- a/drivers/net/ethernet/intel/ice/ice_main.c > +++ b/drivers/net/ethernet/intel/ice/ice_main.c > @@ -5655,6 +5655,8 @@ static struct pci_driver ice_driver = { #endif /* > CONFIG_PM */ > .shutdown = ice_shutdown, > .sriov_configure = ice_sriov_configure, > + .sriov_get_vf_total_msix = ice_sriov_get_vf_total_msix, > + .sriov_set_msix_vec_count = ice_sriov_set_msix_vec_count, > .err_handler = &ice_pci_err_handler > }; > > diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c > b/drivers/net/ethernet/intel/ice/ice_sriov.c > index 49adb0b05817..679bf63fd17a 100644 > --- a/drivers/net/ethernet/intel/ice/ice_sriov.c > +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c
Tested-by: Rafal Romanowski <[email protected]> _______________________________________________ Intel-wired-lan mailing list [email protected] https://lists.osuosl.org/mailman/listinfo/intel-wired-lan
