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 select DAX 18 prompt "DCSSBLK support" 19 depends on S390 && BLOCK 20 help 21 Support for dcss block device 22 23config DASD 24 def_tristate y 25 prompt "Support for DASD devices" 26 depends on CCW && BLOCK 27 select IOSCHED_DEADLINE 28 help 29 Enable this option if you want to access DASDs directly utilizing 30 S/390s channel subsystem commands. This is necessary for running 31 natively on a single image or an LPAR. 32 33config DASD_PROFILE 34 def_bool y 35 prompt "Profiling support for dasd devices" 36 depends on DASD 37 help 38 Enable this option if you want to see profiling information 39 in /proc/dasd/statistics. 40 41config DASD_ECKD 42 def_tristate y 43 prompt "Support for ECKD Disks" 44 depends on DASD 45 help 46 ECKD devices are the most commonly used devices. You should enable 47 this option unless you are very sure to have no ECKD device. 48 49config DASD_FBA 50 def_tristate y 51 prompt "Support for FBA Disks" 52 depends on DASD 53 help 54 Select this option to be able to access FBA devices. It is safe to 55 say "Y". 56 57config DASD_DIAG 58 def_tristate y 59 prompt "Support for DIAG access to Disks" 60 depends on DASD 61 help 62 Select this option if you want to use Diagnose250 command to access 63 Disks under VM. If you are not running under VM or unsure what it is, 64 say "N". 65 66config DASD_EER 67 def_bool y 68 prompt "Extended error reporting (EER)" 69 depends on DASD 70 help 71 This driver provides a character device interface to the 72 DASD extended error reporting. This is only needed if you want to 73 use applications written for the EER facility. 74 75config SCM_BLOCK 76 def_tristate m 77 prompt "Support for Storage Class Memory" 78 depends on S390 && BLOCK && EADM_SCH && SCM_BUS 79 help 80 Block device driver for Storage Class Memory (SCM). This driver 81 provides a block device interface for each available SCM increment. 82 83 To compile this driver as a module, choose M here: the 84 module will be called scm_block. 85