Merge branch 'octeontx2-improve-mailbox-tracing'

Subbaraya Sundeep says:

====================
octeontx2: Improve mailbox tracing

Octeontx2 VF,PF and AF devices communicate using hardware
shared mailbox region where VFs can only to talk to its PFs
and PFs can only talk to AF. AF does the entire resource management
for all PFs and VFs. The shared mbox region is used for synchronous
requests (requests from PF to AF or VF to PF) and async notifications
(notifications from AF to PFs or PF to VFs). Sending a request to AF
from VF involves various stages like
1. VF allocates message in shared region
2. Triggers interrupt to PF
3. PF upon receiving interrupt from VF will copy the message
   from VF<->PF region to PF<->AF region
4. Triggers interrupt to AF
5. AF processes it and writes response in PF<->AF region
6. Triggers interrupt to PF
7. PF copies responses from PF<->AF region to VF<->PF region
8. Triggers interrupt to Vf
9. VF reads response in VF<->PF region

Due to various stages involved, Tracepoints are used in mailbox code for
debugging. Existing tracepoints need some improvements so that maximum
information can be inferred from trace logs during an issue.
This patchset tries to enhance existing tracepoints and also adds
a couple of tracepoints.
====================

Link: https://patch.msgid.link/1747136408-30685-1-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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