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 && (DAX || DAX=n) 9 help 10 Support for dcss block device 11 12config DCSSBLK_DAX 13 def_bool y 14 depends on DCSSBLK 15 # requires S390 ZONE_DEVICE support 16 depends on BROKEN 17 prompt "DCSSBLK DAX support" 18 help 19 Enable DAX operation for the dcss block device 20 21config DASD 22 def_tristate y 23 prompt "Support for DASD devices" 24 depends on CCW && BLOCK 25 help 26 Enable this option if you want to access DASDs directly utilizing 27 S/390s channel subsystem commands. This is necessary for running 28 natively on a single image or an LPAR. 29 30config DASD_PROFILE 31 def_bool y 32 prompt "Profiling support for dasd devices" 33 depends on DASD 34 help 35 Enable this option if you want to see profiling information 36 in /proc/dasd/statistics. 37 38config DASD_ECKD 39 def_tristate y 40 prompt "Support for ECKD Disks" 41 depends on DASD 42 help 43 ECKD devices are the most commonly used devices. You should enable 44 this option unless you are very sure to have no ECKD device. 45 46config DASD_FBA 47 def_tristate y 48 prompt "Support for FBA Disks" 49 depends on DASD 50 help 51 Select this option to be able to access FBA devices. It is safe to 52 say "Y". 53 54config DASD_DIAG 55 def_tristate y 56 prompt "Support for DIAG access to Disks" 57 depends on DASD 58 help 59 Select this option if you want to use Diagnose250 command to access 60 Disks under VM. If you are not running under VM or unsure what it is, 61 say "N". 62 63config DASD_EER 64 def_bool y 65 prompt "Extended error reporting (EER)" 66 depends on DASD 67 help 68 This driver provides a character device interface to the 69 DASD extended error reporting. This is only needed if you want to 70 use applications written for the EER facility. 71 72config SCM_BLOCK 73 def_tristate m 74 prompt "Support for Storage Class Memory" 75 depends on S390 && BLOCK && EADM_SCH && SCM_BUS 76 help 77 Block device driver for Storage Class Memory (SCM). This driver 78 provides a block device interface for each available SCM increment. 79 80 To compile this driver as a module, choose M here: the 81 module will be called scm_block. 82