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From: hch@infradead.org (Christoph Hellwig)
Subject: [PATCH V2 1/3] nvme: add support for ns write protect definitions
Date: Mon, 30 Jul 2018 08:54:26 -0700	[thread overview]
Message-ID: <20180730155426.GA29445@infradead.org> (raw)
In-Reply-To: <20180727025656.9334-2-chaitanya.kulkarni@wdc.com>

On Thu, Jul 26, 2018@07:56:54PM -0700, Chaitanya Kulkarni wrote:
> Add various definitions from NVMe 1.3 TP 4005.
> 
> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>
> ---
>  include/linux/nvme.h | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/nvme.h b/include/linux/nvme.h
> index 80dfedcf0bf7..8514d4e0b597 100644
> --- a/include/linux/nvme.h
> +++ b/include/linux/nvme.h
> @@ -254,7 +254,7 @@ struct nvme_id_ctrl {
>  	__le16			awun;
>  	__le16			awupf;
>  	__u8			nvscc;
> -	__u8			rsvd531;
> +	__u8			nwpc;
>  	__le16			acwu;
>  	__u8			rsvd534[2];
>  	__le32			sgls;
> @@ -312,7 +312,9 @@ struct nvme_id_ns {
>  	__le16			nabspf;
>  	__le16			noiob;
>  	__u8			nvmcap[16];

> -	__u8			rsvd64[40];
> +	__u8			rsvd64[32];
> +	__u8			nsattr;
> +	__u8			rsvd100[4];

how does this add up?  We remove 8 bytes from rsvd64, but
only add 1 in nsattr and 4 in rsvd100?

  reply	other threads:[~2018-07-30 15:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-27  2:56 [PATCH V2 0/3] nvmet: add support for ns write protect Chaitanya Kulkarni
2018-07-27  2:56 ` [PATCH V2 1/3] nvme: add support for ns write protect definitions Chaitanya Kulkarni
2018-07-30 15:54   ` Christoph Hellwig [this message]
2018-08-01  3:20     ` Chaitanya Kulkarni
2018-07-27  2:56 ` [PATCH V2 2/3] nvme-core: set gendisk read only based on nsattr Chaitanya Kulkarni
2018-07-30 15:54   ` Christoph Hellwig
2018-07-27  2:56 ` [PATCH V2 3/3] nvmet: add ns write protect support Chaitanya Kulkarni
2018-07-30 16:12   ` Christoph Hellwig

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