From f5efd4fe78de871515444b660029074be17ec11f Mon Sep 17 00:00:00 2001 From: Bean Huo Date: Wed, 4 Aug 2021 20:21:28 +0200 Subject: [PATCH] scsi: ufs: core: Add lu_enable sysfs node 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 Reviewed-by: Avri Altman Signed-off-by: Bean Huo Signed-off-by: Martin K. Petersen --- 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,