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ice: Reset all VFs with VFLR during SR-IOV init flow 

During SR-IOV initialization, we allocate and setup VFs with reset, and
since we were going to inform Firmware about our intention to do VFLR by
disabling LAN TX Queue, then we really have to complete VF reset flow with
VFLR using appropriate registers - Otherwise, reset status bit for VF in
the Guest OS might returns DEADBEEF.
This resolves issue to properly initialize VFs in the Guest OS via PCI
passthrough.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@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:
Akeem G Abodunrin 2019-02-08 12:50:58 -08:00 committed by Jeff Kirsher
parent 7a1f711175
commit 544f63d307
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
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@ -1029,7 +1029,7 @@ static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs)
pf->num_alloc_vfs = num_alloc_vfs;
/* VF resources get allocated during reset */
if (!ice_reset_all_vfs(pf, false))
if (!ice_reset_all_vfs(pf, true))
goto err_unroll_sriov;
goto err_unroll_intr;