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 select FS_DAX_LIMITED 8 select DAX 9 prompt "DCSSBLK support" 10 depends on S390 && BLOCK 11 help 12 Support for dcss block device 13 14config DASD 15 def_tristate y 16 prompt "Support for DASD devices" 17 depends on CCW && BLOCK 18 help 19 Enable this option if you want to access DASDs directly utilizing 20 S/390s channel subsystem commands. This is necessary for running 21 natively on a single image or an LPAR. 22 23config DASD_PROFILE 24 def_bool y 25 prompt "Profiling support for dasd devices" 26 depends on DASD 27 help 28 Enable this option if you want to see profiling information 29 in /proc/dasd/statistics. 30 31config DASD_ECKD 32 def_tristate y 33 prompt "Support for ECKD Disks" 34 depends on DASD 35 help 36 ECKD devices are the most commonly used devices. You should enable 37 this option unless you are very sure to have no ECKD device. 38 39config DASD_FBA 40 def_tristate y 41 prompt "Support for FBA Disks" 42 depends on DASD 43 help 44 Select this option to be able to access FBA devices. It is safe to 45 say "Y". 46 47config DASD_DIAG 48 def_tristate y 49 prompt "Support for DIAG access to Disks" 50 depends on DASD 51 help 52 Select this option if you want to use Diagnose250 command to access 53 Disks under VM. If you are not running under VM or unsure what it is, 54 say "N". 55 56config DASD_EER 57 def_bool y 58 prompt "Extended error reporting (EER)" 59 depends on DASD 60 help 61 This driver provides a character device interface to the 62 DASD extended error reporting. This is only needed if you want to 63 use applications written for the EER facility. 64 65config SCM_BLOCK 66 def_tristate m 67 prompt "Support for Storage Class Memory" 68 depends on S390 && BLOCK && EADM_SCH && SCM_BUS 69 help 70 Block device driver for Storage Class Memory (SCM). This driver 71 provides a block device interface for each available SCM increment. 72 73 To compile this driver as a module, choose M here: the 74 module will be called scm_block. 75