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| author | Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com> | 2017-10-31 13:32:28 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-11-03 17:20:52 +0100 |
| commit | 016d5c35e27824f31c394009dd0f72f2c6b0dc85 (patch) | |
| tree | 8a631356de4f2c8b1fd937a7b9d4de35f09c2421 /lib | |
| parent | scsi: mpt3sas: Add nvme device support in slave alloc, target alloc and probe (diff) | |
| download | linux-016d5c35e27824f31c394009dd0f72f2c6b0dc85.tar.xz linux-016d5c35e27824f31c394009dd0f72f2c6b0dc85.zip | |
scsi: mpt3sas: SGL to PRP Translation for I/Os to NVMe devices
* Added support for translating the SGLs associated with incoming
commands either to IEE SGL or NVMe PRPs for NVMe devices.
* The hardware translation of IEEE SGL to NVMe PRPs has limitations
and if a command cannot be translated by hardware then it will go to
firmware and the firmware needs to translate it. This will have a
performance impact. To avoid that, the driver proactively checks
whether the translation will be done in hardware or not. If not, then
driver translates.
[mkp: clarified commit message]
Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions