Merge branch 'hns3-VF-reset'

Salil Mehta says:

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Add support of VF Reset to HNS3 VF driver

This patch-set adds the support of VF reset to the existing VF driver.
VF Reset can be triggered due to TX watchdog firing  as a result of TX
data-path not working. VF reset could also be a result of some internal
configuration changes if that requires reset, or as a result of the
PF/Core/Global/IMP(Integrated Management Processor) reset happened in
the PF.

Summary of Patches:
* Watchdog timer trigger chnages are present in Patch 1.
* Reset Service Task and related Event handling is present in Patches {2,3}
* Changes to send reset request to PF, reset stack and re-initialization
  of the hclge device is present in Patches {4,5,6}
* Changes related to ARQ (Asynchronous Receive Queue) and its event handling
  are present in Patches {7,8}
* Changes required in PF to handle the VF Reset request and actually perform
  hardware VF reset is there in Patch 9.

NOTE: This patch depends upon "[PATCH net-next 00/11] fix some bugs for HNS3 driver"
	Link: https://lkml.org/lkml/2018/3/21/72


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Signed-off-by: David S. Miller <davem@davemloft.net>