1 # SPDX-License-Identifier: GPL-2.0
2 comment "S/390 block device drivers"
3 depends on S390 && BLOCK
7 prompt "XPRAM disk support"
8 depends on S390 && BLOCK
10 Select this option if you want to use your expanded storage on S/390
11 or zSeries as a disk. This is useful as a _fast_ swap device if you
12 want to access more than 2G of memory when running in 31 bit mode.
13 This option is also available as a module which will be called
14 xpram. If unsure, say "N".
20 prompt "DCSSBLK support"
21 depends on S390 && BLOCK
23 Support for dcss block device
27 prompt "Support for DASD devices"
28 depends on CCW && BLOCK
29 select IOSCHED_DEADLINE
31 Enable this option if you want to access DASDs directly utilizing
32 S/390s channel subsystem commands. This is necessary for running
33 natively on a single image or an LPAR.
37 prompt "Profiling support for dasd devices"
40 Enable this option if you want to see profiling information
41 in /proc/dasd/statistics.
45 prompt "Support for ECKD Disks"
48 ECKD devices are the most commonly used devices. You should enable
49 this option unless you are very sure to have no ECKD device.
53 prompt "Support for FBA Disks"
56 Select this option to be able to access FBA devices. It is safe to
61 prompt "Support for DIAG access to Disks"
64 Select this option if you want to use Diagnose250 command to access
65 Disks under VM. If you are not running under VM or unsure what it is,
70 prompt "Extended error reporting (EER)"
73 This driver provides a character device interface to the
74 DASD extended error reporting. This is only needed if you want to
75 use applications written for the EER facility.
79 prompt "Support for Storage Class Memory"
80 depends on S390 && BLOCK && EADM_SCH && SCM_BUS
82 Block device driver for Storage Class Memory (SCM). This driver
83 provides a block device interface for each available SCM increment.
85 To compile this driver as a module, choose M here: the
86 module will be called scm_block.