On 07/14/2017 03:22 PM, Suganath Prabu S wrote: > * Mpt3sas driver uses the NVMe Encapsulated Request message to > send an NVMe command to an NVMe device attached to the IOC. > > * Normal I/O commands like reads and writes are passed to the > controller as SCSI commands and the controller has the ability > to translate the commands to NVMe equivalent. > > * This encapsulated NVMe command is used by applications to send > direct NVMe commands to NVMe drives or for handling unmap where > the translation at controller/firmware level is having > performance issues. > > Signed-off-by: Chaitra P B <chaitra.basappa@xxxxxxxxxxxx> > Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@xxxxxxxxxxxx> > --- > drivers/scsi/mpt3sas/mpt3sas_base.c | 56 ++++++++++++++++++++++++++++- > drivers/scsi/mpt3sas/mpt3sas_base.h | 1 + > drivers/scsi/mpt3sas/mpt3sas_ctl.c | 69 ++++++++++++++++++++++++++++++++--- > 3 files changed, 119 insertions(+), 7 deletions(-) > Reviewed-by: Hannes Reinecke <hare@xxxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
