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author | 2023-10-19 10:32:20 -0700 | |
---|---|---|
committer | 2023-10-20 12:53:05 +0100 | |
commit | fe1c5ca2fe760d95eb609976e225111fa055e931 (patch) | |
tree | 41eafd915d080a2528f47c8ef5a8c99091f94a03 /drivers/net | |
parent | ice: store VF's pci_dev ptr in ice_vf (diff) | |
download | linux-fe1c5ca2fe760d95eb609976e225111fa055e931.tar.gz linux-fe1c5ca2fe760d95eb609976e225111fa055e931.tar.bz2 linux-fe1c5ca2fe760d95eb609976e225111fa055e931.zip |
ice: implement num_msix field per VF
Store the amount of MSI-X per VF instead of storing it in pf struct. It
is used to calculate number of q_vectors (and queues) for VF VSI.
This is necessary because with follow up changes the number of MSI-X can
be different between VFs. Use it instead of using pf->vf_msix value in
all cases.
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')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_sriov.c | 13 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_vf_lib.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_virtchnl.c | 2 |
4 files changed, 14 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index f61002273c30..4b1e56396293 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -229,7 +229,7 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi) * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the * original vector count */ - vsi->num_q_vectors = pf->vfs.num_msix_per - ICE_NONQ_VECS_VF; + vsi->num_q_vectors = vf->num_msix - ICE_NONQ_VECS_VF; break; case ICE_VSI_CTRL: vsi->alloc_txq = 1; diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index 4ae59c59e22b..d345f5d8635b 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -64,7 +64,7 @@ static void ice_free_vf_res(struct ice_vf *vf) vf->num_mac = 0; } - last_vector_idx = vf->first_vector_idx + pf->vfs.num_msix_per - 1; + last_vector_idx = vf->first_vector_idx + vf->num_msix - 1; /* clear VF MDD event information */ memset(&vf->mdd_tx_events, 0, sizeof(vf->mdd_tx_events)); @@ -102,7 +102,7 @@ static void ice_dis_vf_mappings(struct ice_vf *vf) wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), 0); first = vf->first_vector_idx; - last = first + pf->vfs.num_msix_per - 1; + last = first + vf->num_msix - 1; for (v = first; v <= last; v++) { u32 reg; @@ -280,12 +280,12 @@ static void ice_ena_vf_msix_mappings(struct ice_vf *vf) hw = &pf->hw; pf_based_first_msix = vf->first_vector_idx; - pf_based_last_msix = (pf_based_first_msix + pf->vfs.num_msix_per) - 1; + pf_based_last_msix = (pf_based_first_msix + vf->num_msix) - 1; device_based_first_msix = pf_based_first_msix + pf->hw.func_caps.common_cap.msix_vector_first_id; device_based_last_msix = - (device_based_first_msix + pf->vfs.num_msix_per) - 1; + (device_based_first_msix + vf->num_msix) - 1; device_based_vf_id = vf->vf_id + hw->func_caps.vf_base_id; reg = (((device_based_first_msix << VPINT_ALLOC_FIRST_S) & @@ -825,6 +825,11 @@ static int ice_create_vf_entries(struct ice_pf *pf, u16 num_vfs) pci_dev_get(vfdev); + /* set default number of MSI-X */ + vf->num_msix = pf->vfs.num_msix_per; + vf->num_vf_qs = pf->vfs.num_qps_per; + ice_vc_set_default_allowlist(vf); + hash_add_rcu(vfs->table, &vf->entry, vf_id); } diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.h b/drivers/net/ethernet/intel/ice/ice_vf_lib.h index 628396aa4a04..93c774f2f437 100644 --- a/drivers/net/ethernet/intel/ice/ice_vf_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.h @@ -72,7 +72,7 @@ struct ice_vfs { struct mutex table_lock; /* Lock for protecting the hash table */ u16 num_supported; /* max supported VFs on this PF */ u16 num_qps_per; /* number of queue pairs per VF */ - u16 num_msix_per; /* number of MSI-X vectors per VF */ + u16 num_msix_per; /* default MSI-X vectors per VF */ unsigned long last_printed_mdd_jiffies; /* MDD message rate limit */ }; @@ -136,6 +136,8 @@ struct ice_vf { /* devlink port data */ struct devlink_port devlink_port; + + u16 num_msix; /* num of MSI-X configured on this VF */ }; /* Flags for controlling behavior of ice_reset_vf */ diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c b/drivers/net/ethernet/intel/ice/ice_virtchnl.c index 01e88b6e43a1..cdf17b1e2f25 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c @@ -501,7 +501,7 @@ static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg) vfres->num_vsis = 1; /* Tx and Rx queue are equal for VF */ vfres->num_queue_pairs = vsi->num_txq; - vfres->max_vectors = vf->pf->vfs.num_msix_per; + vfres->max_vectors = vf->num_msix; vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE; vfres->rss_lut_size = ICE_LUT_VSI_SIZE; vfres->max_mtu = ice_vc_get_max_frame_size(vf); |