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