linux-kernel - Re: [PATCH v8 2/3] scsi: ufs: add debugfs for ufs

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Message-ID: <a6975524841300d9a2dfbfde2384aea8.squirrel@www.codeaurora.org>
Date:	Tue, 28 Apr 2015 14:10:21 -0000
From:	"Dov Levenglick" <dovl@...eaurora.org>
To:	"Gilad Broner" <gbroner@...eaurora.org>
Cc:	james.bottomley@...senpartnership.com,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, santoshsy@...il.com,
	linux-scsi-owner@...r.kernel.org, subhashj@...eaurora.org,
	ygardi@...eaurora.org, draviv@...eaurora.org,
	"Lee Susman" <lsusman@...eaurora.org>,
	"Raviv Shvili" <rshvili@...eaurora.org>,
	"Gilad Broner" <gbroner@...eaurora.org>,
	"Vinayak Holikatti" <vinholikatti@...il.com>,
	"James E.J. Bottomley" <jbottomley@...n.com>
Subject: Re: [PATCH v8 2/3] scsi: ufs: add debugfs for ufs

Reviewed-by: Dov Levenglick <dovl@...eaurora.org>

> From: Lee Susman <lsusman@...eaurora.org>
>
> Adding debugfs capability for ufshcd.
>
> debugfs attributes introduced in this patch:
>  - View driver/controller runtime data
>  - Command tag statistics for performance analisis
>  - Dump device descriptor info
>  - Track recoverable errors statistics during runtime
>  - Change UFS power mode during runtime
>      entry a string in the format 'GGLLMM' where:
>          G - selected gear
>          L - number of lanes
>          M - power mode
>              (1=fast mode, 2=slow mode, 4=fast-auto mode,
>               5=slow-auto mode)
>      First letter is for RX, second is for TX.
>  - Get/set DME attributes
>
> Signed-off-by: Lee Susman <lsusman@...eaurora.org>
> Signed-off-by: Dolev Raviv <draviv@...eaurora.org>
> Signed-off-by: Yaniv Gardi <ygardi@...eaurora.org>
> Signed-off-by: Raviv Shvili <rshvili@...eaurora.org>
> Signed-off-by: Gilad Broner <gbroner@...eaurora.org>
> ---
>  drivers/scsi/ufs/Makefile      |   3 +-
>  drivers/scsi/ufs/ufs-debugfs.c | 901
> +++++++++++++++++++++++++++++++++++++++++
>  drivers/scsi/ufs/ufs-debugfs.h |  38 ++
>  drivers/scsi/ufs/ufshcd.c      | 229 ++++++++++-
>  drivers/scsi/ufs/ufshcd.h      |  65 +++
>  drivers/scsi/ufs/ufshci.h      |   2 +
>  6 files changed, 1225 insertions(+), 13 deletions(-)
>  create mode 100644 drivers/scsi/ufs/ufs-debugfs.c
>  create mode 100644 drivers/scsi/ufs/ufs-debugfs.h
>

<snip many lines of code>

> @@ -72,6 +72,8 @@ enum {
>  	REG_UIC_COMMAND_ARG_1			= 0x94,
>  	REG_UIC_COMMAND_ARG_2			= 0x98,
>  	REG_UIC_COMMAND_ARG_3			= 0x9C,
> +
> +	UFSHCI_REG_SPACE_SIZE			= 0xA0,
>  };
>
>  /* Controller capability masks */
> --
> Qualcomm Israel, on behalf of Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
> --
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>


QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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