| Message ID | 20190219230414.25627-3-anirudh.venkataramanan@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Jeff Kirsher |
| Headers | show |
| Series | Bug fixes and minor clean up for ice | expand |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On > Behalf Of Anirudh Venkataramanan > Sent: Tuesday, February 19, 2019 3:04 PM > To: intel-wired-lan@lists.osuosl.org > Subject: [Intel-wired-lan] [PATCH S15 02/14] ice: enable VF admin queue > interrupts > > From: Mitch Williams <mitch.a.williams@intel.com> > > The VPINT_MBX_CTL register array must be programmed to enable VF > admin queue interrupts. Without this, VFs never get interrupts on vector 0, > and some VF drivers will fail to init. > > Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> > Signed-off-by: Anirudh Venkataramanan > <anirudh.venkataramanan@intel.com> > --- > drivers/net/ethernet/intel/ice/ice_hw_autogen.h | 2 ++ > drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c | 4 ++++ > 2 files changed, 6 insertions(+) Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h index 24255ff64ab0..af6f32358363 100644 --- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h +++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h @@ -178,6 +178,8 @@ #define VPINT_ALLOC_PCI_LAST_S 12 #define VPINT_ALLOC_PCI_LAST_M ICE_M(0x7FF, 12) #define VPINT_ALLOC_PCI_VALID_M BIT(31) +#define VPINT_MBX_CTL(_VSI) (0x0016A000 + ((_VSI) * 4)) +#define VPINT_MBX_CTL_CAUSE_ENA_M BIT(30) #define GLLAN_RCTL_0 0x002941F8 #define QRX_CONTEXT(_i, _QRX) (0x00280000 + ((_i) * 8192 + (_QRX) * 4)) #define QRX_CTRL(_QRX) (0x00120000 + ((_QRX) * 4)) diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c index e2517ab696e9..7a4f86ad8149 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c @@ -604,6 +604,10 @@ static void ice_ena_vf_mappings(struct ice_vf *vf) wr32(hw, GLINT_VECT2FUNC(v), reg); } + /* Map mailbox interrupt. We put an explicit 0 here to remind us that + * VF admin queue interrupts will go to VF MSI-X vector 0. + */ + wr32(hw, VPINT_MBX_CTL(abs_vf_id), VPINT_MBX_CTL_CAUSE_ENA_M | 0); /* set regardless of mapping mode */ wr32(hw, VPLAN_TXQ_MAPENA(vf->vf_id), VPLAN_TXQ_MAPENA_TX_ENA_M);