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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <75dcdeda-5f3c-cef0-9957-4588ac9624cc@suse.de>
Date:   Thu, 3 Aug 2017 08:33:13 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Suganath Prabu S <suganath-prabu.subramani@...adcom.com>,
        jejb@...nel.org, hch@...radead.org
Cc:     martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
        Sathya.Prakash@...adcom.com, kashyap.desai@...adcom.com,
        linux-kernel@...r.kernel.org, chaitra.basappa@...adcom.com,
        sreekanth.reddy@...adcom.com, linux-nvme@...ts.infradead.org
Subject: Re: [PATCH v2 04/13] mpt3sas: Added support for nvme encapsulated
 request message.

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

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@...e.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)