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From: Bean Huo <huobean@gmail.com>
To: alim.akhtar@samsung.com, avri.altman@wdc.com,
	asutoshd@codeaurora.org, jejb@linux.ibm.com,
	martin.petersen@oracle.com, stanley.chu@mediatek.com,
	beanhuo@micron.com, bvanassche@acm.org, cang@codeaurora.org,
	daejun7.park@samsung.com
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v1 2/2] scsi: ufs: Add lu_enable sysfs node
Date: Wed,  4 Aug 2021 20:21:28 +0200	[thread overview]
Message-ID: <20210804182128.458356-3-huobean@gmail.com> (raw)
In-Reply-To: <20210804182128.458356-1-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>
---
 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


  parent reply	other threads:[~2021-08-04 18:21 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 ` Bean Huo [this message]
2021-08-05  6:35   ` [PATCH v1 2/2] scsi: ufs: Add lu_enable sysfs node Avri Altman
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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