Implement Deferred probe, mailbox enhancements and heartbeat monitor.

v4 -> v5:
   - addressed review comments
     https://lore.kernel.org/all/20230323104703.GD36557@unreal/ (local)
     replaced atomic_inc() + atomic_read() with atomic_inc_return().

v3 -> v4:
   - addressed review comments on v3
     https://lore.kernel.org/all/20230214051422.13705-1-vburru@marvell.com/ (local)
   - 0004-xxx.patch v3 is split into 0004-xxx.patch and 0005-xxx.patch
     in v4.
   - API changes to accept function ID are moved to 0005-xxx.patch.
   - fixed rct violations.
   - reverted newly added changes that do not yet have use cases.

v2 -> v3:
   - removed SRIOV VF support changes from v2, as new drivers which use
     ndo_get_vf_xxx() and ndo_set_vf_xxx() are not accepted.
     https://lore.kernel.org/all/20221207200204.6819575a@kernel.org/ (local)

     Will implement VF representors and submit again.
   - 0007-xxx.patch and 0008-xxx.patch from v2 are removed and
     0009-xxx.patch in v2 is now 0007-xxx.patch in v3.
   - accordingly, changed title for cover letter.

v1 -> v2:
   - remove separate workqueue task to wait for firmware ready.
     instead defer probe when firmware is not ready.
     Reported-by: Leon Romanovsky [off-list ref]
   - This change has resulted in update of 0001-xxx.patch and
     all other patches in the patchset.

Veerasenareddy Burru (8):
  octeon_ep: defer probe if firmware not ready
  octeon_ep: poll for control messages
  octeon_ep: control mailbox for multiple PFs
  octeon_ep: add separate mailbox command and response queues
  octeon_ep: include function id in mailbox commands
  octeon_ep: support asynchronous notifications
  octeon_ep: function id in link info and stats mailbox commands
  octeon_ep: add heartbeat monitor

 .../marvell/octeon_ep/octep_cn9k_pf.c         |  72 ++--
 .../ethernet/marvell/octeon_ep/octep_config.h |   6 +
 .../marvell/octeon_ep/octep_ctrl_mbox.c       | 276 +++++++------
 .../marvell/octeon_ep/octep_ctrl_mbox.h       |  88 ++--
 .../marvell/octeon_ep/octep_ctrl_net.c        | 387 ++++++++++++------
 .../marvell/octeon_ep/octep_ctrl_net.h        | 196 +++++----
 .../marvell/octeon_ep/octep_ethtool.c         |  12 +-
 .../ethernet/marvell/octeon_ep/octep_main.c   | 180 +++++---
 .../ethernet/marvell/octeon_ep/octep_main.h   |  18 +-
 .../marvell/octeon_ep/octep_regs_cn9k_pf.h    |   6 +
 10 files changed, 784 insertions(+), 457 deletions(-)


base-commit: 323fe43cf9aef79159ba8937218a3f076bf505af
-- 
2.36.0