| # SPDX-License-Identifier: GPL-2.0 | |
| comment "S/390 block device drivers" | |
| depends on S390 && BLOCK | |
| config BLK_DEV_XPRAM | |
| def_tristate m | |
| prompt "XPRAM disk support" | |
| depends on S390 && BLOCK | |
| help | |
| Select this option if you want to use your expanded storage on S/390 | |
| or zSeries as a disk. This is useful as a _fast_ swap device if you | |
| want to access more than 2G of memory when running in 31 bit mode. | |
| This option is also available as a module which will be called | |
| xpram. If unsure, say "N". | |
| config DCSSBLK | |
| def_tristate m | |
| select FS_DAX_LIMITED | |
| select DAX_DRIVER | |
| prompt "DCSSBLK support" | |
| depends on S390 && BLOCK | |
| help | |
| Support for dcss block device | |
| config DASD | |
| def_tristate y | |
| prompt "Support for DASD devices" | |
| depends on CCW && BLOCK | |
| select IOSCHED_DEADLINE | |
| help | |
| Enable this option if you want to access DASDs directly utilizing | |
| S/390s channel subsystem commands. This is necessary for running | |
| natively on a single image or an LPAR. | |
| config DASD_PROFILE | |
| def_bool y | |
| prompt "Profiling support for dasd devices" | |
| depends on DASD | |
| help | |
| Enable this option if you want to see profiling information | |
| in /proc/dasd/statistics. | |
| config DASD_ECKD | |
| def_tristate y | |
| prompt "Support for ECKD Disks" | |
| depends on DASD | |
| help | |
| ECKD devices are the most commonly used devices. You should enable | |
| this option unless you are very sure to have no ECKD device. | |
| config DASD_FBA | |
| def_tristate y | |
| prompt "Support for FBA Disks" | |
| depends on DASD | |
| help | |
| Select this option to be able to access FBA devices. It is safe to | |
| say "Y". | |
| config DASD_DIAG | |
| def_tristate y | |
| prompt "Support for DIAG access to Disks" | |
| depends on DASD | |
| help | |
| Select this option if you want to use Diagnose250 command to access | |
| Disks under VM. If you are not running under VM or unsure what it is, | |
| say "N". | |
| config DASD_EER | |
| def_bool y | |
| prompt "Extended error reporting (EER)" | |
| depends on DASD | |
| help | |
| This driver provides a character device interface to the | |
| DASD extended error reporting. This is only needed if you want to | |
| use applications written for the EER facility. | |
| config SCM_BLOCK | |
| def_tristate m | |
| prompt "Support for Storage Class Memory" | |
| depends on S390 && BLOCK && EADM_SCH && SCM_BUS | |
| help | |
| Block device driver for Storage Class Memory (SCM). This driver | |
| provides a block device interface for each available SCM increment. | |
| To compile this driver as a module, choose M here: the | |
| module will be called scm_block. |