scsi: megaraid_sas: NVME fast path io support

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This patch provide true fast path IO support.  Driver creates PRP for
NVME drives and send Fast Path for performance.  Certain h/w requirement
needs to be taken care in driver.

Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Shivasharan S 2017-02-10 00:59:12 -08:00 • committed by Martin K. Petersen

parent 96188a89cc

commit 33203bc4d6

4 changed files with 350 additions and 45 deletions

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10

drivers/scsi/megaraid/megaraid_sas.h

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55

drivers/scsi/megaraid/megaraid_sas_fp.c

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316

drivers/scsi/megaraid/megaraid_sas_fusion.c

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14

drivers/scsi/megaraid/megaraid_sas_fusion.h

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