scsi: mpt3sas: Add module parameter multipath_on_hba

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Add module parameter multipath_on_hba to enable/disable multi-port path
topology support.  By default this feature is enabled on SAS3.5 HBA device
and disabled on SAS3 &SAS2.5 HBA devices.

When this feature is disabled then driver uses a default
PhysicalPort(PortID) number i.e. 255 instead of the PhysicalPort number
provided by HBA firmware.

Link: https://lore.kernel.org/r/20201027130847.9962-14-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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This commit is contained in:

Sreekanth Reddy 2020-10-27 18:38:46 +05:30 • committed by Martin K. Petersen

parent ffa381d637

commit 324c122fc0

4 changed files with 76 additions and 7 deletions

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2

drivers/scsi/mpt3sas/mpt3sas_base.h

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6

drivers/scsi/mpt3sas/mpt3sas_ctl.c

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69

drivers/scsi/mpt3sas/mpt3sas_scsih.c

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6

drivers/scsi/mpt3sas/mpt3sas_transport.c

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