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From: John Snow <jsnow@redhat.com>
To: Klaus Jensen <its@irrelevant.dk>, qemu-devel@nongnu.org
Cc: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,
	qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>
Subject: Re: [PATCH] nvme: fix NSSRS offset in CAP register
Date: Wed, 23 Oct 2019 11:26:57 -0400	[thread overview]
Message-ID: <4a51bf95-c38b-7fef-9b97-0bec2bd36854@redhat.com> (raw)
In-Reply-To: <20191023073315.446534-1-its@irrelevant.dk>



On 10/23/19 3:33 AM, Klaus Jensen wrote:
> Fix the offset of the NSSRS field the CAP register.

From NVME 1.4, section 3 ("Controller Registers"), subsection 3.1.1
("Offset 0h: CAP – Controller Capabilities") CAP_NSSRS_SHIFT is bit 36,
not 33.

> 
> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> Reported-by: Javier Gonzalez <javier.gonz@samsung.com>
> ---
>  include/block/nvme.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/block/nvme.h b/include/block/nvme.h
> index 3ec8efcc435e..fa15b51c33bb 100644
> --- a/include/block/nvme.h
> +++ b/include/block/nvme.h
> @@ -23,7 +23,7 @@ enum NvmeCapShift {
>      CAP_AMS_SHIFT      = 17,
>      CAP_TO_SHIFT       = 24,
>      CAP_DSTRD_SHIFT    = 32,
> -    CAP_NSSRS_SHIFT    = 33,
> +    CAP_NSSRS_SHIFT    = 36,
>      CAP_CSS_SHIFT      = 37,
>      CAP_MPSMIN_SHIFT   = 48,
>      CAP_MPSMAX_SHIFT   = 52,
> 

I like updating commit messages with spec references; if it can be
updated that would be nice.

Regardless:

Reviewed-by: John Snow <jsnow@redhat.com>



  reply	other threads:[~2019-10-23 15:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-23  7:33 [PATCH] nvme: fix NSSRS offset in CAP register Klaus Jensen
2019-10-23 15:26 ` John Snow [this message]
2019-10-23 19:55   ` Klaus Birkelund
2019-10-29 14:12 ` Max Reitz

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