linux-kernel - Re: [PATCH 01/10] nvme.h: add RTD3R, RTD3E and OAES fields

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Message-ID: <20160607081009.xd7wsyfuv4swuf4p@c203.arch.suse.de>
Date:	Tue, 7 Jun 2016 10:10:09 +0200
From:	Johannes Thumshirn <jthumshirn@...e.de>
To:	Christoph Hellwig <hch@....de>
Cc:	axboe@...nel.dk, keith.busch@...el.com,
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-nvme@...ts.infradead.org
Subject: Re: [PATCH 01/10] nvme.h: add RTD3R, RTD3E and OAES fields

On Mon, Jun 06, 2016 at 11:20:43PM +0200, Christoph Hellwig wrote:
> These have been added in NVMe 1.2 and we'll need at least oaes for the
> NVMe target driver.
> 
> Reviewed-by: Sagi Grimberg <sagi@...mberg.me>
> Reviewed-by: Jay Freyensee <james.p.freyensee@...el.com>
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  include/linux/nvme.h | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/include/linux/nvme.h b/include/linux/nvme.h
> index 7d51b29..ff5ebc3 100644
> --- a/include/linux/nvme.h
> +++ b/include/linux/nvme.h
> @@ -107,7 +107,10 @@ struct nvme_id_ctrl {
>  	__u8			mdts;
>  	__le16			cntlid;
>  	__le32			ver;
> -	__u8			rsvd84[172];
> +	__le32			rtd3r;
> +	__le32			rtd3e;
> +	__le32			oaes;

Just out of curiosity, why not CTRATT as well?

> +	__u8			rsvd96[160];
>  	__le16			oacs;
>  	__u8			acl;
>  	__u8			aerl;
> -- 
> 2.1.4
> 
> 
> _______________________________________________
> Linux-nvme mailing list
> Linux-nvme@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-nvme

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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