1# SPDX-License-Identifier: GPL-2.0 2comment "S/390 block device drivers" 3 depends on S390 && BLOCK 4 5config DCSSBLK 6 def_tristate m 7 prompt "DCSSBLK support" 8 depends on S390 && BLOCK && ZONE_DEVICE 9 select FS_DAX 10 help 11 Support for dcss block device 12 13config DASD 14 def_tristate y 15 prompt "Support for DASD devices" 16 depends on CCW && BLOCK 17 help 18 Enable this option if you want to access DASDs directly utilizing 19 S/390s channel subsystem commands. This is necessary for running 20 natively on a single image or an LPAR. 21 22config DASD_PROFILE 23 def_bool y 24 prompt "Profiling support for dasd devices" 25 depends on DASD 26 help 27 Enable this option if you want to see profiling information 28 in /proc/dasd/statistics. 29 30config DASD_ECKD 31 def_tristate y 32 prompt "Support for ECKD Disks" 33 depends on DASD 34 help 35 ECKD devices are the most commonly used devices. You should enable 36 this option unless you are very sure to have no ECKD device. 37 38config DASD_FBA 39 def_tristate y 40 prompt "Support for FBA Disks" 41 depends on DASD 42 help 43 Select this option to be able to access FBA devices. It is safe to 44 say "Y". 45 46config DASD_DIAG 47 def_tristate y 48 prompt "Support for DIAG access to Disks" 49 depends on DASD 50 help 51 Select this option if you want to use Diagnose250 command to access 52 Disks under VM. If you are not running under VM or unsure what it is, 53 say "N". 54 55config DASD_EER 56 def_bool y 57 prompt "Extended error reporting (EER)" 58 depends on DASD 59 help 60 This driver provides a character device interface to the 61 DASD extended error reporting. This is only needed if you want to 62 use applications written for the EER facility. 63 64config SCM_BLOCK 65 def_tristate m 66 prompt "Support for Storage Class Memory" 67 depends on S390 && BLOCK && EADM_SCH && SCM_BUS 68 help 69 Block device driver for Storage Class Memory (SCM). This driver 70 provides a block device interface for each available SCM increment. 71 72 To compile this driver as a module, choose M here: the 73 module will be called scm_block. 74