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From: Avri Altman <Avri.Altman@wdc.com>
To: Bean Huo <huobean@gmail.com>,
	"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>,
	"asutoshd@codeaurora.org" <asutoshd@codeaurora.org>,
	"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
	"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
	"stanley.chu@mediatek.com" <stanley.chu@mediatek.com>,
	"beanhuo@micron.com" <beanhuo@micron.com>,
	"bvanassche@acm.org" <bvanassche@acm.org>,
	"cang@codeaurora.org" <cang@codeaurora.org>,
	"daejun7.park@samsung.com" <daejun7.park@samsung.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v1 2/2] scsi: ufs: Add lu_enable sysfs node
Date: Thu, 5 Aug 2021 06:35:44 +0000	[thread overview]
Message-ID: <DM6PR04MB657589C9EE72DD8B4F62C6BDFCF29@DM6PR04MB6575.namprd04.prod.outlook.com> (raw)
In-Reply-To: <20210804182128.458356-3-huobean@gmail.com>

> From: Bean Huo <beanhuo@micron.com>
> 
> We need to check HPB being enabled on which LU from the userspace tool,
> so, add lu_enable sysfs node.
> 
> Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Tested-by: Avri Altman <avri.altman@wdc.com>

> ---
>  drivers/scsi/ufs/ufs-sysfs.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
> index 08fe037069bc..5c405ff7b6ea 100644
> --- a/drivers/scsi/ufs/ufs-sysfs.c
> +++ b/drivers/scsi/ufs/ufs-sysfs.c
> @@ -1163,6 +1163,7 @@ static DEVICE_ATTR_RO(_pname)
>  #define UFS_UNIT_DESC_PARAM(_name, _uname, _size)                      \
>         UFS_LUN_DESC_PARAM(_name, _uname, UNIT, _size)
> 
> +UFS_UNIT_DESC_PARAM(lu_enable, _LU_ENABLE, 1);
>  UFS_UNIT_DESC_PARAM(boot_lun_id, _BOOT_LUN_ID, 1);
>  UFS_UNIT_DESC_PARAM(lun_write_protect, _LU_WR_PROTECT, 1);
>  UFS_UNIT_DESC_PARAM(lun_queue_depth, _LU_Q_DEPTH, 1);
> @@ -1181,8 +1182,8 @@
> UFS_UNIT_DESC_PARAM(hpb_pinned_region_start_offset,
> _HPB_PIN_RGN_START_OFF, 2);
>  UFS_UNIT_DESC_PARAM(hpb_number_pinned_regions,
> _HPB_NUM_PIN_RGNS, 2);
>  UFS_UNIT_DESC_PARAM(wb_buf_alloc_units, _WB_BUF_ALLOC_UNITS, 4);
> 
> -
>  static struct attribute *ufs_sysfs_unit_descriptor[] = {
> +       &dev_attr_lu_enable.attr,
>         &dev_attr_boot_lun_id.attr,
>         &dev_attr_lun_write_protect.attr,
>         &dev_attr_lun_queue_depth.attr,
> --
> 2.25.1


  reply	other threads:[~2021-08-05  6:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-04 18:21 [PATCH v1 0/2] two changes for UFS/HPB Bean Huo
2021-08-04 18:21 ` [PATCH v1 1/2] scsi: ufs: Add L2P entry swap quirk for Micron UFS in HPB READ command Bean Huo
2021-08-05  6:34   ` Avri Altman
2021-08-04 18:21 ` [PATCH v1 2/2] scsi: ufs: Add lu_enable sysfs node Bean Huo
2021-08-05  6:35   ` Avri Altman [this message]
2021-08-06  3:21 ` [PATCH v1 0/2] two changes for UFS/HPB Martin K. Petersen
2021-08-10  5:20 ` Martin K. Petersen

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