netdev - Re: [RFC PATCH v6 19/27] qedn: Add IRQ and fast-path resources initializations

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: <8f198995-3994-fbca-e8e1-0f73d28f7a34@suse.de>
Date:   Fri, 28 May 2021 14:46:42 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Shai Malin <smalin@...vell.com>, netdev@...r.kernel.org,
        linux-nvme@...ts.infradead.org, davem@...emloft.net,
        kuba@...nel.org, sagi@...mberg.me, hch@....de, axboe@...com,
        kbusch@...nel.org
Cc:     aelior@...vell.com, mkalderon@...vell.com, okulkarni@...vell.com,
        pkushwaha@...vell.com, malin1024@...il.com
Subject: Re: [RFC PATCH v6 19/27] qedn: Add IRQ and fast-path resources
 initializations

On 5/28/21 1:58 AM, Shai Malin wrote:
> This patch will present the adding of qedn_fp_queue - this is a per cpu
> core element which handles all of the connections on that cpu core.
> The qedn_fp_queue will handle a group of connections (NVMeoF QPs) which
> are handled on the same cpu core, and will only use the same FW-driver
> resources with no need to be related to the same NVMeoF controller.
> 
> The per qedn_fq_queue resources are the FW CQ and FW status block:
> - The FW CQ will be used for the FW to notify the driver that the
>   the exchange has ended and the FW will pass the incoming NVMeoF CQE
>   (if exist) to the driver.
> - FW status block - which is used for the FW to notify the driver with
>   the producer update of the FW CQE chain.
> 
> The FW fast-path queues are based on qed_chain.h
> 
> Acked-by: Igor Russkikh <irusskikh@...vell.com>
> Signed-off-by: Prabhakar Kushwaha <pkushwaha@...vell.com>
> Signed-off-by: Omkar Kulkarni <okulkarni@...vell.com>
> Signed-off-by: Michal Kalderon <mkalderon@...vell.com>
> Signed-off-by: Ariel Elior <aelior@...vell.com>
> Signed-off-by: Shai Malin <smalin@...vell.com>
> ---
>  drivers/nvme/hw/qedn/qedn.h      |  25 +++
>  drivers/nvme/hw/qedn/qedn_main.c | 289 ++++++++++++++++++++++++++++++-
>  2 files changed, 311 insertions(+), 3 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		        Kernel Storage Architect
hare@...e.de			               +49 911 74053 688
SUSE Software Solutions Germany GmbH, 90409 Nürnberg
GF: F. Imendörffer, HRB 36809 (AG Nürnberg)