scsi: qla2xxx: Move FCE Trace buffer allocation to user control

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Currently FCE Tracing is enabled to log additional ELS events. Instead,
user will enable or disable this feature through debugfs.

Modify existing DFS knob to allow user to enable or disable this
feature.

echo [1 | 0] > /sys/kernel/debug/qla2xxx/qla2xxx_??/fce
cat  /sys/kernel/debug/qla2xxx/qla2xxx_??/fce

Cc: stable@vger.kernel.org
Fixes: df613b9607 ("[SCSI] qla2xxx: Add Fibre Channel Event (FCE) tracing support.")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20241115130313.46826-4-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

...

This commit is contained in:

Quinn Tran 2024-11-15 18:33:09 +05:30 • committed by Martin K. Petersen

parent a9a099575d

commit 841df27d61

4 changed files with 126 additions and 31 deletions

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2

drivers/scsi/qla2xxx/qla_def.h

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122

drivers/scsi/qla2xxx/qla_dfs.c

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3

drivers/scsi/qla2xxx/qla_gbl.h

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28

drivers/scsi/qla2xxx/qla_init.c

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