diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_sriov.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_sriov.c | 52 |
1 files changed, 6 insertions, 46 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index 588ad8696756..1f66914c7a20 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -135,18 +135,9 @@ static void ice_dis_vf_mappings(struct ice_vf *vf) */ static int ice_sriov_free_msix_res(struct ice_pf *pf) { - struct ice_res_tracker *res; - if (!pf) return -EINVAL; - res = pf->irq_tracker; - if (!res) - return -EINVAL; - - /* give back irq_tracker resources used */ - WARN_ON(pf->sriov_base_vector < res->num_entries); - pf->sriov_base_vector = 0; return 0; @@ -410,29 +401,6 @@ int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector) } /** - * ice_get_max_valid_res_idx - Get the max valid resource index - * @res: pointer to the resource to find the max valid index for - * - * Start from the end of the ice_res_tracker and return right when we find the - * first res->list entry with the ICE_RES_VALID_BIT set. This function is only - * valid for SR-IOV because it is the only consumer that manipulates the - * res->end and this is always called when res->end is set to res->num_entries. - */ -static int ice_get_max_valid_res_idx(struct ice_res_tracker *res) -{ - int i; - - if (!res) - return -EINVAL; - - for (i = res->num_entries - 1; i >= 0; i--) - if (res->list[i] & ICE_RES_VALID_BIT) - return i; - - return 0; -} - -/** * ice_sriov_set_msix_res - Set any used MSIX resources * @pf: pointer to PF structure * @num_msix_needed: number of MSIX vectors needed for all SR-IOV VFs @@ -450,7 +418,7 @@ static int ice_get_max_valid_res_idx(struct ice_res_tracker *res) static int ice_sriov_set_msix_res(struct ice_pf *pf, u16 num_msix_needed) { u16 total_vectors = pf->hw.func_caps.common_cap.num_msix_vectors; - int vectors_used = pf->irq_tracker->num_entries; + int vectors_used = ice_get_max_used_msix_vector(pf); int sriov_base_vector; sriov_base_vector = total_vectors - num_msix_needed; @@ -490,7 +458,7 @@ static int ice_sriov_set_msix_res(struct ice_pf *pf, u16 num_msix_needed) */ static int ice_set_per_vf_res(struct ice_pf *pf, u16 num_vfs) { - int max_valid_res_idx = ice_get_max_valid_res_idx(pf->irq_tracker); + int vectors_used = ice_get_max_used_msix_vector(pf); u16 num_msix_per_vf, num_txq, num_rxq, avail_qs; int msix_avail_per_vf, msix_avail_for_sriov; struct device *dev = ice_pf_to_dev(pf); @@ -501,12 +469,9 @@ static int ice_set_per_vf_res(struct ice_pf *pf, u16 num_vfs) if (!num_vfs) return -EINVAL; - if (max_valid_res_idx < 0) - return -ENOSPC; - /* determine MSI-X resources per VF */ msix_avail_for_sriov = pf->hw.func_caps.common_cap.num_msix_vectors - - pf->irq_tracker->num_entries; + vectors_used; msix_avail_per_vf = msix_avail_for_sriov / num_vfs; if (msix_avail_per_vf >= ICE_NUM_VF_MSIX_MED) { num_msix_per_vf = ICE_NUM_VF_MSIX_MED; @@ -871,7 +836,7 @@ static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs) int ret; /* Disable global interrupt 0 so we don't try to handle the VFLR. */ - wr32(hw, GLINT_DYN_CTL(pf->oicr_idx), + wr32(hw, GLINT_DYN_CTL(pf->oicr_irq.index), ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S); set_bit(ICE_OICR_INTR_DIS, pf->state); ice_flush(hw); @@ -940,14 +905,13 @@ err_unroll_intr: */ static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs) { - int pre_existing_vfs = pci_num_vf(pf->pdev); struct device *dev = ice_pf_to_dev(pf); int err; - if (pre_existing_vfs && pre_existing_vfs != num_vfs) + if (!num_vfs) { ice_free_vfs(pf); - else if (pre_existing_vfs && pre_existing_vfs == num_vfs) return 0; + } if (num_vfs > pf->vfs.num_supported) { dev_err(dev, "Can't enable %d VFs, max VFs supported is %d\n", @@ -1014,8 +978,6 @@ int ice_sriov_configure(struct pci_dev *pdev, int num_vfs) if (!num_vfs) { if (!pci_vfs_assigned(pdev)) { ice_free_vfs(pf); - if (pf->lag) - ice_enable_lag(pf->lag); return 0; } @@ -1027,8 +989,6 @@ int ice_sriov_configure(struct pci_dev *pdev, int num_vfs) if (err) return err; - if (pf->lag) - ice_disable_lag(pf->lag); return num_vfs; } |