DPDK i40e PMD will modify some global registers during initialization
and post initialization, there'll be impact during use of 700 series
Ethernet Adapter with both Linux kernel and DPDK PMD.
This patchset adds logs for global configuration and adds device args
to disable global configuration and change interrupt for PF.

This patchset is based on 16.11.4 LTS.
Commit id: 516447a5056c093e4d020011a69216b453576782

v3 changes:
 - Fix interrupt conflict when using multiple driver.

v2 changes:
 - Add warning logs and debug logs.

Beilei Xing (4):
  net/i40e: add warnings when writing global registers
  net/i40e: add debug logs when writing global registers
  net/i40e: fix multiple driver support issue
  net/i40e: fix interrupt conflict when using multi-driver

 doc/guides/nics/i40e.rst          |  12 ++
 drivers/net/i40e/i40e_ethdev.c    | 412 ++++++++++++++++++++++++++++----------
 drivers/net/i40e/i40e_ethdev.h    |  63 +++++-
 drivers/net/i40e/i40e_ethdev_vf.c |   4 +-
 4 files changed, 377 insertions(+), 114 deletions(-)


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