diff options
| author | Michal Swiatkowski <michal.swiatkowski@linux.intel.com> | 2023-10-19 10:32:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-20 12:53:05 +0100 |
| commit | 05c16687e0cc78205eaa1b7a70fc6a95f8d3a417 (patch) | |
| tree | 8b18d0020ea90cca6cee281999bd46cf9a2bb770 /drivers/net/ethernet/intel/ice/ice_sriov.h | |
| parent | ea4af9b4005dceb3165ece6ba21091bc6362efc4 (diff) | |
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 <michal.swiatkowski@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_sriov.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_sriov.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.h b/drivers/net/ethernet/intel/ice/ice_sriov.h index 06829443d540..8488df38b586 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.h +++ b/drivers/net/ethernet/intel/ice/ice_sriov.h @@ -60,6 +60,8 @@ void ice_print_vfs_mdd_events(struct ice_pf *pf); void ice_print_vf_rx_mdd_event(struct ice_vf *vf); bool ice_vc_validate_pattern(struct ice_vf *vf, struct virtchnl_proto_hdrs *proto); +u32 ice_sriov_get_vf_total_msix(struct pci_dev *pdev); +int ice_sriov_set_msix_vec_count(struct pci_dev *vf_dev, int msix_vec_count); #else /* CONFIG_PCI_IOV */ static inline void ice_process_vflr_event(struct ice_pf *pf) { } static inline void ice_free_vfs(struct ice_pf *pf) { } @@ -142,5 +144,16 @@ ice_get_vf_stats(struct net_device __always_unused *netdev, { return -EOPNOTSUPP; } + +static inline u32 ice_sriov_get_vf_total_msix(struct pci_dev *pdev) +{ + return 0; +} + +static inline int +ice_sriov_set_msix_vec_count(struct pci_dev *vf_dev, int msix_vec_count) +{ + return -EOPNOTSUPP; +} #endif /* CONFIG_PCI_IOV */ #endif /* _ICE_SRIOV_H_ */ |