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scsi: mpt3sas: Optimize mpt3sas driver logging

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This improves mpt3sas driver default debug information collection and
allows for a higher percentage of issues being able to be resolved with a
first-time data capture.  However, this improvement to balance the amount
of debug data captured with the performance of driver.

Enabled below print messages with out affecting the IO performance,

1. When task abort TM is received then print IO commands's timeout value
   and how much time this command has been outstanding.

2. Whenever hard reset occurs then print from where this hard reset has
   been issued.

3. Failure message should be displayed for failure scenarios without any
   logging level.

4. Added a print after driver successfully register or unregistered a
   target drive with the SML. This print will be useful for debugging the
   issue where the drive addition or deletion is hanging at SML.

5. During driver load time print request, reply, sense and config page
   pool's information such as its address, length and size. Also printed
   sg_tablesize information.

Link: https://lore.kernel.org/r/20191226111333.26131-8-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sreekanth Reddy 2019-12-26 06:13:30 -05:00 • committed by Martin K. Petersen
commit 5b061980e3
5 changed files with 110 additions and 78 deletions
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