Thread (26 messages) 26 messages, 4 authors, 2021-03-15

RE: Re: [PATCH v26 4/4] scsi: ufs: Add HPB 2.0 support

From: Daejun Park <hidden>
Date: 2021-03-05 00:33:14
Also in: lkml

Hi, Can Guo
quoted
diff --git a/drivers/scsi/ufs/ufs-sysfs.c 
b/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
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