Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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.