1# SPDX-License-Identifier: GPL-2.0+ 2# 3# Kernel configuration file for the UFS Host Controller core. 4# 5# Copyright (C) 2011-2013 Samsung India Software Operations 6# 7# Authors: 8# Santosh Yaraganavi <santosh.sy@samsung.com> 9# Vinayak Holikatti <h.vinayak@samsung.com> 10 11config SCSI_UFS_BSG 12 bool "Universal Flash Storage BSG device node" 13 select BLK_DEV_BSGLIB 14 help 15 Universal Flash Storage (UFS) is SCSI transport specification for 16 accessing flash storage on digital cameras, mobile phones and 17 consumer electronic devices. 18 A UFS controller communicates with a UFS device by exchanging 19 UFS Protocol Information Units (UPIUs). 20 UPIUs can not only be used as a transport layer for the SCSI protocol 21 but are also used by the UFS native command set. 22 This transport driver supports exchanging UFS protocol information units 23 with a UFS device. See also the ufshcd driver, which is a SCSI driver 24 that supports UFS devices. 25 26 Select this if you need a bsg device node for your UFS controller. 27 If unsure, say N. 28 29config SCSI_UFS_CRYPTO 30 bool "UFS Crypto Engine Support" 31 depends on BLK_INLINE_ENCRYPTION 32 help 33 Enable Crypto Engine Support in UFS. 34 Enabling this makes it possible for the kernel to use the crypto 35 capabilities of the UFS device (if present) to perform crypto 36 operations on data being transferred to/from the device. 37 38config SCSI_UFS_HPB 39 bool "Support UFS Host Performance Booster" 40 help 41 The UFS HPB feature improves random read performance. It caches 42 L2P (logical to physical) map of UFS to host DRAM. The driver uses HPB 43 read command by piggybacking physical page number for bypassing FTL (flash 44 translation layer)'s L2P address translation. 45 46config SCSI_UFS_FAULT_INJECTION 47 bool "UFS Fault Injection Support" 48 depends on FAULT_INJECTION 49 help 50 Enable fault injection support in the UFS driver. This makes it easier 51 to test the UFS error handler and abort handler. 52 53config SCSI_UFS_HWMON 54 bool "UFS Temperature Notification" 55 depends on SCSI_UFSHCD=HWMON || HWMON=y 56 help 57 This provides support for UFS hardware monitoring. If enabled, 58 a hardware monitoring device will be created for the UFS device. 59 60 If unsure, say N. 61