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ice: enable VF admin queue interrupts

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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>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mitch Williams 2019-02-19 15:04:02 -08:00 committed by Jeff Kirsher
parent 64a59d05a4
commit a7c9b47bc9
2 changed files with 6 additions and 0 deletions
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2
drivers/net/ethernet/intel/ice/ice_hw_autogen.h
View File

@ -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))

4
drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
View File

@ -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);