1comment "S/390 block device drivers" 2 depends on S390 && BLOCK 3 4config BLK_DEV_XPRAM 5 def_tristate m 6 prompt "XPRAM disk support" 7 depends on S390 && BLOCK 8 help 9 Select this option if you want to use your expanded storage on S/390 10 or zSeries as a disk. This is useful as a _fast_ swap device if you 11 want to access more than 2G of memory when running in 31 bit mode. 12 This option is also available as a module which will be called 13 xpram. If unsure, say "N". 14 15config DCSSBLK 16 def_tristate m 17 prompt "DCSSBLK support" 18 depends on S390 && BLOCK 19 help 20 Support for dcss block device 21 22config DASD 23 def_tristate y 24 prompt "Support for DASD devices" 25 depends on CCW && BLOCK 26 select IOSCHED_DEADLINE 27 help 28 Enable this option if you want to access DASDs directly utilizing 29 S/390s channel subsystem commands. This is necessary for running 30 natively on a single image or an LPAR. 31 32config DASD_PROFILE 33 def_bool y 34 prompt "Profiling support for dasd devices" 35 depends on DASD 36 help 37 Enable this option if you want to see profiling information 38 in /proc/dasd/statistics. 39 40config DASD_ECKD 41 def_tristate y 42 prompt "Support for ECKD Disks" 43 depends on DASD 44 help 45 ECKD devices are the most commonly used devices. You should enable 46 this option unless you are very sure to have no ECKD device. 47 48config DASD_FBA 49 def_tristate y 50 prompt "Support for FBA Disks" 51 depends on DASD 52 help 53 Select this option to be able to access FBA devices. It is safe to 54 say "Y". 55 56config DASD_DIAG 57 def_tristate y 58 prompt "Support for DIAG access to Disks" 59 depends on DASD 60 help 61 Select this option if you want to use Diagnose250 command to access 62 Disks under VM. If you are not running under VM or unsure what it is, 63 say "N". 64 65config DASD_EER 66 def_bool y 67 prompt "Extended error reporting (EER)" 68 depends on DASD 69 help 70 This driver provides a character device interface to the 71 DASD extended error reporting. This is only needed if you want to 72 use applications written for the EER facility. 73