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1# SPDX-License-Identifier: GPL-2.02comment "S/390 block device drivers"3 depends on S390 && BLOCK4 5config DCSSBLK6 def_tristate m7 select FS_DAX_LIMITED8 select DAX9 prompt "DCSSBLK support"10 depends on S390 && BLOCK11 help12 Support for dcss block device13 14config DASD15 def_tristate y16 prompt "Support for DASD devices"17 depends on CCW && BLOCK18 help19 Enable this option if you want to access DASDs directly utilizing20 S/390s channel subsystem commands. This is necessary for running21 natively on a single image or an LPAR.22 23config DASD_PROFILE24 def_bool y25 prompt "Profiling support for dasd devices"26 depends on DASD27 help28 Enable this option if you want to see profiling information29 in /proc/dasd/statistics.30 31config DASD_ECKD32 def_tristate y33 prompt "Support for ECKD Disks"34 depends on DASD35 help36 ECKD devices are the most commonly used devices. You should enable37 this option unless you are very sure to have no ECKD device.38 39config DASD_FBA40 def_tristate y41 prompt "Support for FBA Disks"42 depends on DASD43 help44 Select this option to be able to access FBA devices. It is safe to45 say "Y".46 47config DASD_DIAG48 def_tristate y49 prompt "Support for DIAG access to Disks"50 depends on DASD51 help52 Select this option if you want to use Diagnose250 command to access53 Disks under VM. If you are not running under VM or unsure what it is,54 say "N".55 56config DASD_EER57 def_bool y58 prompt "Extended error reporting (EER)"59 depends on DASD60 help61 This driver provides a character device interface to the62 DASD extended error reporting. This is only needed if you want to63 use applications written for the EER facility.64 65config SCM_BLOCK66 def_tristate m67 prompt "Support for Storage Class Memory"68 depends on S390 && BLOCK && EADM_SCH && SCM_BUS69 help70 Block device driver for Storage Class Memory (SCM). This driver71 provides a block device interface for each available SCM increment.72 73 To compile this driver as a module, choose M here: the74 module will be called scm_block.75