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- if ARCH_S390
- comment "S/390 block device drivers"
- depends on ARCH_S390
- config BLK_DEV_XPRAM
- tristate "XPRAM disk support"
- depends on ARCH_S390
- 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
- tristate "DCSSBLK support"
- help
- Support for dcss block device
- config DASD
- tristate "Support for DASD devices"
- depends on CCW
- 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
- bool "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
- tristate "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
- tristate "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
- tristate "Support for DIAG access to Disks"
- depends on DASD && ( ARCH_S390X = 'n' || EXPERIMENTAL)
- 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_CMB
- tristate "Compatibility interface for DASD channel measurement blocks"
- depends on DASD
- help
- This driver provides an additional interface to the channel measurement
- facility, which is normally accessed though sysfs, with a set of
- ioctl functions specific to the dasd driver.
- This is only needed if you want to use applications written for
- linux-2.4 dasd channel measurement facility interface.
- endif
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