1comment "S/390 block device drivers" 2 depends on S390 && BLOCK 3 4config BLK_DEV_XPRAM 5 tristate "XPRAM disk support" 6 depends on S390 && BLOCK 7 help 8 Select this option if you want to use your expanded storage on S/390 9 or zSeries as a disk. This is useful as a _fast_ swap device if you 10 want to access more than 2G of memory when running in 31 bit mode. 11 This option is also available as a module which will be called 12 xpram. If unsure, say "N". 13 14config DCSSBLK 15 tristate "DCSSBLK support" 16 depends on S390 && BLOCK 17 help 18 Support for dcss block device 19 20config DASD 21 tristate "Support for DASD devices" 22 depends on CCW && BLOCK 23 select IOSCHED_DEADLINE 24 help 25 Enable this option if you want to access DASDs directly utilizing 26 S/390s channel subsystem commands. This is necessary for running 27 natively on a single image or an LPAR. 28 29config DASD_PROFILE 30 bool "Profiling support for dasd devices" 31 depends on DASD 32 help 33 Enable this option if you want to see profiling information 34 in /proc/dasd/statistics. 35 36config DASD_ECKD 37 tristate "Support for ECKD Disks" 38 depends on DASD 39 help 40 ECKD devices are the most commonly used devices. You should enable 41 this option unless you are very sure to have no ECKD device. 42 43config DASD_FBA 44 tristate "Support for FBA Disks" 45 depends on DASD 46 help 47 Select this option to be able to access FBA devices. It is safe to 48 say "Y". 49 50config DASD_DIAG 51 tristate "Support for DIAG access to Disks" 52 depends on DASD 53 help 54 Select this option if you want to use Diagnose250 command to access 55 Disks under VM. If you are not running under VM or unsure what it is, 56 say "N". 57 58config DASD_EER 59 bool "Extended error reporting (EER)" 60 depends on DASD 61 help 62 This driver provides a character device interface to the 63 DASD extended error reporting. This is only needed if you want to 64 use applications written for the EER facility. 65