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UPSTREAM: scsi: ufs: core: Add lu_enable sysfs node

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We need to check whether HPB is enabled on a given LU from the userspace
tool. Add lu_enable sysfs node.

Link: https://lore.kernel.org/r/20210804182128.458356-3-huobean@gmail.com
Tested-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bug: 204438323
(cherry picked from commit f5efd4fe78)
Signed-off-by: Bart Van Assche <bvanassche@google.com>
Change-Id: I37faf8f52f180b2b6443cbeffeace3ec47f0a85f
This commit is contained in:
Bean Huo
2021-08-04 20:21:28 +02:00
committed by Bart Van Assche
parent 19d3641c3d
commit a704494924
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/ufs/ufs-sysfs.c
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@@ -1165,6 +1165,7 @@ 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);
@@ -1183,8 +1184,8 @@ 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,