Re: [PATCH v2 04/13] mpt3sas: Added support for nvme encapsulated request message.

From	Hannes Reinecke <hare@suse.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 04/13] mpt3sas: Added support for nvme encapsulated request message.
Date	2017-08-03 08:40 +0200
Message-ID	<uahXz-4uQ-1@gated-at.bofh.it> (permalink)
References	<u38Po-413-5@gated-at.bofh.it> <u38Pq-413-49@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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@broadcom.com>
> Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
> ---
>  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@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +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)

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

Re: [PATCH v2 04/13] mpt3sas: Added support for nvme encapsulated  request message. Hannes Reinecke <hare@suse.de> - 2017-08-03 08:40 +0200

csiph-web