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authorPaul Greenwalt <paul.greenwalt@intel.com>2019-07-25 01:55:36 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2019-08-20 14:34:36 -0700
commit1337175deca72c3a1c846344d5743667a4dbedef (patch)
treee1b6a3ce775c797124d52ce0c4d468a24371d31d /drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
parentice: Do not always bring up PF VSI in ice_ena_vsi() (diff)
downloadlinux-dev-1337175deca72c3a1c846344d5743667a4dbedef.tar.xz
linux-dev-1337175deca72c3a1c846344d5743667a4dbedef.zip
ice: update GLINT_DYN_CTL and GLINT_VECT2FUNC register access
Register access for GLINT_DYN_CTL and GLINT_VECT2FUNC should be within the PF space and not the absolute device space. Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index 93b835a24bb1..54b0e88af4ca 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -474,19 +474,20 @@ ice_vf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, u16 vf_id)
}
/**
- * ice_calc_vf_first_vector_idx - Calculate absolute MSIX vector index in HW
+ * ice_calc_vf_first_vector_idx - Calculate MSIX vector index in the PF space
* @pf: pointer to PF structure
* @vf: pointer to VF that the first MSIX vector index is being calculated for
*
- * This returns the first MSIX vector index in HW that is used by this VF and
- * this will always be the OICR index in the AVF driver so any functionality
+ * This returns the first MSIX vector index in PF space that is used by this VF.
+ * This index is used when accessing PF relative registers such as
+ * GLINT_VECT2FUNC and GLINT_DYN_CTL.
+ * This will always be the OICR index in the AVF driver so any functionality
* using vf->first_vector_idx for queue configuration will have to increment by
* 1 to avoid meddling with the OICR index.
*/
static int ice_calc_vf_first_vector_idx(struct ice_pf *pf, struct ice_vf *vf)
{
- return pf->hw.func_caps.common_cap.msix_vector_first_id +
- pf->sriov_base_vector + vf->vf_id * pf->num_vf_msix;
+ return pf->sriov_base_vector + vf->vf_id * pf->num_vf_msix;
}
/**
@@ -597,27 +598,30 @@ ice_alloc_vf_res_exit:
*/
static void ice_ena_vf_mappings(struct ice_vf *vf)
{
+ int abs_vf_id, abs_first, abs_last;
struct ice_pf *pf = vf->pf;
struct ice_vsi *vsi;
int first, last, v;
struct ice_hw *hw;
- int abs_vf_id;
u32 reg;
hw = &pf->hw;
vsi = pf->vsi[vf->lan_vsi_idx];
first = vf->first_vector_idx;
last = (first + pf->num_vf_msix) - 1;
+ abs_first = first + pf->hw.func_caps.common_cap.msix_vector_first_id;
+ abs_last = (abs_first + pf->num_vf_msix) - 1;
abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
/* VF Vector allocation */
- reg = (((first << VPINT_ALLOC_FIRST_S) & VPINT_ALLOC_FIRST_M) |
- ((last << VPINT_ALLOC_LAST_S) & VPINT_ALLOC_LAST_M) |
+ reg = (((abs_first << VPINT_ALLOC_FIRST_S) & VPINT_ALLOC_FIRST_M) |
+ ((abs_last << VPINT_ALLOC_LAST_S) & VPINT_ALLOC_LAST_M) |
VPINT_ALLOC_VALID_M);
wr32(hw, VPINT_ALLOC(vf->vf_id), reg);
- reg = (((first << VPINT_ALLOC_PCI_FIRST_S) & VPINT_ALLOC_PCI_FIRST_M) |
- ((last << VPINT_ALLOC_PCI_LAST_S) & VPINT_ALLOC_PCI_LAST_M) |
+ reg = (((abs_first << VPINT_ALLOC_PCI_FIRST_S)
+ & VPINT_ALLOC_PCI_FIRST_M) |
+ ((abs_last << VPINT_ALLOC_PCI_LAST_S) & VPINT_ALLOC_PCI_LAST_M) |
VPINT_ALLOC_PCI_VALID_M);
wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), reg);
/* map the interrupts to its functions */