RE: Re: [PATCH v26 4/4] scsi: ufs: Add HPB 2.0 support
From: Daejun Park <hidden>
Date: 2021-03-05 00:33:14
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Hi, Can Guo
quoted
diff --git a/drivers/scsi/ufs/ufs-sysfs.cb/drivers/scsi/ufs/ufs-sysfs.c index 2546e7a1ac4f..00fb519406cf 100644--- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c@@ -841,6 +841,7 @@ out: \ static DEVICE_ATTR_RO(_name) UFS_ATTRIBUTE(boot_lun_enabled, _BOOT_LU_EN); +UFS_ATTRIBUTE(max_data_size_hpb_single_cmd, _MAX_HPB_SINGLE_CMD); UFS_ATTRIBUTE(current_power_mode, _POWER_MODE); UFS_ATTRIBUTE(active_icc_level, _ACTIVE_ICC_LVL); UFS_ATTRIBUTE(ooo_data_enabled, _OOO_DATA_EN);@@ -864,6 +865,7 @@ UFS_ATTRIBUTE(wb_cur_buf, _CURR_WB_BUFF_SIZE); static struct attribute *ufs_sysfs_attributes[] = { &dev_attr_boot_lun_enabled.attr, + &dev_attr_max_data_size_hpb_single_cmd.attr, &dev_attr_current_power_mode.attr, &dev_attr_active_icc_level.attr, &dev_attr_ooo_data_enabled.attr,diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 957763db1006..e0b748777a1b 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h@@ -123,12 +123,13 @@ enum flag_idn { QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F, QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10, QUERY_FLAG_IDN_HPB_RESET = 0x11, + QUERY_FLAG_IDN_HPB_EN = 0x12,Also add this flag to sysfs?
Sure, I will do. Thanks, Daejun