i40e/i40evf: add tracking to NVM busy state
The NVM updates take some time and are asynchronous actions that signal their completion with an AdminQ event. This code tracks when there is an NVM update outstanding and won't allow a new update command until a completion event is received from the current update. Change-ID: Ic132fe16bd9dc09b002ed38297a877c1a01553ce Signed-off-by: NShannon Nelson <shannon.nelson@intel.com> Acked-by: NMitch Williams <mitch.a.williams@intel.com> Acked-by: NGreg Rose <gregory.v.rose@intel.com> Tested-by: NKavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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