netdev - Re: [RFC PATCH v6 02/27] nvme-fabrics: Move NVMF_ALLOWED_OPTS and NVMF_REQUIRED

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Date:   Fri, 28 May 2021 12:18:18 +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,
        Arie Gershberg <agershberg@...vell.com>
Subject: Re: [RFC PATCH v6 02/27] nvme-fabrics: Move NVMF_ALLOWED_OPTS and
 NVMF_REQUIRED_OPTS definitions

On 5/28/21 1:58 AM, Shai Malin wrote:
> From: Arie Gershberg <agershberg@...vell.com>
> 
> Move NVMF_ALLOWED_OPTS and NVMF_REQUIRED_OPTS definitions
> to header file, so it can be used by the different HW devices.
> 
> NVMeTCP offload devices might have different limitations of the
> allowed options, for example, a device that does not support all the
> queue types. With tcp and rdma, only the nvme-tcp and nvme-rdma layers
> handle those attributes and the HW devices do not create any limitations
> for the allowed options.
> 
> An alternative design could be to add separate fields in nvme_tcp_ofld_ops
> such as max_hw_sectors and max_segments that we already have in this
> series.
> 
> Acked-by: Igor Russkikh <irusskikh@...vell.com>
> Signed-off-by: Arie Gershberg <agershberg@...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>
> Reviewed-by: Himanshu Madhani <himanshu.madhani@...cle.com>
> Acked-by: Sagi Grimberg <sagi@...mberg.me>
> ---
>  drivers/nvme/host/fabrics.c | 7 -------
>  drivers/nvme/host/fabrics.h | 7 +++++++
>  2 files changed, 7 insertions(+), 7 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)