> From: Bean Huo <beanhuo@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
Reviewed-by: Avri Altman <avri.altman@xxxxxxx>
Tested-by: Avri Altman <avri.altman@xxxxxxx>
> ---
> 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
