162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_cicomment "S/390 block device drivers" 362306a36Sopenharmony_ci depends on S390 && BLOCK 462306a36Sopenharmony_ci 562306a36Sopenharmony_ciconfig DCSSBLK 662306a36Sopenharmony_ci def_tristate m 762306a36Sopenharmony_ci select FS_DAX_LIMITED 862306a36Sopenharmony_ci select DAX 962306a36Sopenharmony_ci prompt "DCSSBLK support" 1062306a36Sopenharmony_ci depends on S390 && BLOCK 1162306a36Sopenharmony_ci help 1262306a36Sopenharmony_ci Support for dcss block device 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciconfig DASD 1562306a36Sopenharmony_ci def_tristate y 1662306a36Sopenharmony_ci prompt "Support for DASD devices" 1762306a36Sopenharmony_ci depends on CCW && BLOCK 1862306a36Sopenharmony_ci help 1962306a36Sopenharmony_ci Enable this option if you want to access DASDs directly utilizing 2062306a36Sopenharmony_ci S/390s channel subsystem commands. This is necessary for running 2162306a36Sopenharmony_ci natively on a single image or an LPAR. 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ciconfig DASD_PROFILE 2462306a36Sopenharmony_ci def_bool y 2562306a36Sopenharmony_ci prompt "Profiling support for dasd devices" 2662306a36Sopenharmony_ci depends on DASD 2762306a36Sopenharmony_ci help 2862306a36Sopenharmony_ci Enable this option if you want to see profiling information 2962306a36Sopenharmony_ci in /proc/dasd/statistics. 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciconfig DASD_ECKD 3262306a36Sopenharmony_ci def_tristate y 3362306a36Sopenharmony_ci prompt "Support for ECKD Disks" 3462306a36Sopenharmony_ci depends on DASD 3562306a36Sopenharmony_ci help 3662306a36Sopenharmony_ci ECKD devices are the most commonly used devices. You should enable 3762306a36Sopenharmony_ci this option unless you are very sure to have no ECKD device. 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ciconfig DASD_FBA 4062306a36Sopenharmony_ci def_tristate y 4162306a36Sopenharmony_ci prompt "Support for FBA Disks" 4262306a36Sopenharmony_ci depends on DASD 4362306a36Sopenharmony_ci help 4462306a36Sopenharmony_ci Select this option to be able to access FBA devices. It is safe to 4562306a36Sopenharmony_ci say "Y". 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ciconfig DASD_DIAG 4862306a36Sopenharmony_ci def_tristate y 4962306a36Sopenharmony_ci prompt "Support for DIAG access to Disks" 5062306a36Sopenharmony_ci depends on DASD 5162306a36Sopenharmony_ci help 5262306a36Sopenharmony_ci Select this option if you want to use Diagnose250 command to access 5362306a36Sopenharmony_ci Disks under VM. If you are not running under VM or unsure what it is, 5462306a36Sopenharmony_ci say "N". 5562306a36Sopenharmony_ci 5662306a36Sopenharmony_ciconfig DASD_EER 5762306a36Sopenharmony_ci def_bool y 5862306a36Sopenharmony_ci prompt "Extended error reporting (EER)" 5962306a36Sopenharmony_ci depends on DASD 6062306a36Sopenharmony_ci help 6162306a36Sopenharmony_ci This driver provides a character device interface to the 6262306a36Sopenharmony_ci DASD extended error reporting. This is only needed if you want to 6362306a36Sopenharmony_ci use applications written for the EER facility. 6462306a36Sopenharmony_ci 6562306a36Sopenharmony_ciconfig SCM_BLOCK 6662306a36Sopenharmony_ci def_tristate m 6762306a36Sopenharmony_ci prompt "Support for Storage Class Memory" 6862306a36Sopenharmony_ci depends on S390 && BLOCK && EADM_SCH && SCM_BUS 6962306a36Sopenharmony_ci help 7062306a36Sopenharmony_ci Block device driver for Storage Class Memory (SCM). This driver 7162306a36Sopenharmony_ci provides a block device interface for each available SCM increment. 7262306a36Sopenharmony_ci 7362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the 7462306a36Sopenharmony_ci module will be called scm_block. 75