19fa1db4cSMartin Schwidefsky# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldscomment "S/390 block device drivers" 361d48c2cSMartin Schwidefsky depends on S390 && BLOCK 41da177e4SLinus Torvalds 51da177e4SLinus Torvaldsconfig DCSSBLK 66f9a3c33SMartin Schwidefsky def_tristate m 76f9a3c33SMartin Schwidefsky prompt "DCSSBLK support" 8*5b27dfb1SGerald Schaefer depends on S390 && BLOCK && ZONE_DEVICE 9*5b27dfb1SGerald Schaefer select FS_DAX 101da177e4SLinus Torvalds help 111da177e4SLinus Torvalds Support for dcss block device 121da177e4SLinus Torvalds 131da177e4SLinus Torvaldsconfig DASD 146f9a3c33SMartin Schwidefsky def_tristate y 156f9a3c33SMartin Schwidefsky prompt "Support for DASD devices" 1661d48c2cSMartin Schwidefsky depends on CCW && BLOCK 171da177e4SLinus Torvalds help 181da177e4SLinus Torvalds Enable this option if you want to access DASDs directly utilizing 191da177e4SLinus Torvalds S/390s channel subsystem commands. This is necessary for running 201da177e4SLinus Torvalds natively on a single image or an LPAR. 211da177e4SLinus Torvalds 221da177e4SLinus Torvaldsconfig DASD_PROFILE 236f9a3c33SMartin Schwidefsky def_bool y 246f9a3c33SMartin Schwidefsky prompt "Profiling support for dasd devices" 251da177e4SLinus Torvalds depends on DASD 261da177e4SLinus Torvalds help 271da177e4SLinus Torvalds Enable this option if you want to see profiling information 281da177e4SLinus Torvalds in /proc/dasd/statistics. 291da177e4SLinus Torvalds 301da177e4SLinus Torvaldsconfig DASD_ECKD 316f9a3c33SMartin Schwidefsky def_tristate y 326f9a3c33SMartin Schwidefsky prompt "Support for ECKD Disks" 331da177e4SLinus Torvalds depends on DASD 341da177e4SLinus Torvalds help 351da177e4SLinus Torvalds ECKD devices are the most commonly used devices. You should enable 361da177e4SLinus Torvalds this option unless you are very sure to have no ECKD device. 371da177e4SLinus Torvalds 381da177e4SLinus Torvaldsconfig DASD_FBA 396f9a3c33SMartin Schwidefsky def_tristate y 406f9a3c33SMartin Schwidefsky prompt "Support for FBA Disks" 411da177e4SLinus Torvalds depends on DASD 421da177e4SLinus Torvalds help 431da177e4SLinus Torvalds Select this option to be able to access FBA devices. It is safe to 441da177e4SLinus Torvalds say "Y". 451da177e4SLinus Torvalds 461da177e4SLinus Torvaldsconfig DASD_DIAG 476f9a3c33SMartin Schwidefsky def_tristate y 486f9a3c33SMartin Schwidefsky prompt "Support for DIAG access to Disks" 49d0b2eaa3SPeter Oberparleiter depends on DASD 501da177e4SLinus Torvalds help 511da177e4SLinus Torvalds Select this option if you want to use Diagnose250 command to access 521da177e4SLinus Torvalds Disks under VM. If you are not running under VM or unsure what it is, 531da177e4SLinus Torvalds say "N". 541da177e4SLinus Torvalds 5520c64468SStefan Weinhuberconfig DASD_EER 566f9a3c33SMartin Schwidefsky def_bool y 576f9a3c33SMartin Schwidefsky prompt "Extended error reporting (EER)" 5820c64468SStefan Weinhuber depends on DASD 5920c64468SStefan Weinhuber help 6020c64468SStefan Weinhuber This driver provides a character device interface to the 6120c64468SStefan Weinhuber DASD extended error reporting. This is only needed if you want to 6220c64468SStefan Weinhuber use applications written for the EER facility. 63f30664e2SSebastian Ott 64f30664e2SSebastian Ottconfig SCM_BLOCK 65f30664e2SSebastian Ott def_tristate m 66f30664e2SSebastian Ott prompt "Support for Storage Class Memory" 67f30664e2SSebastian Ott depends on S390 && BLOCK && EADM_SCH && SCM_BUS 68f30664e2SSebastian Ott help 69f30664e2SSebastian Ott Block device driver for Storage Class Memory (SCM). This driver 70f30664e2SSebastian Ott provides a block device interface for each available SCM increment. 71f30664e2SSebastian Ott 72f30664e2SSebastian Ott To compile this driver as a module, choose M here: the 73f30664e2SSebastian Ott module will be called scm_block. 74