tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2comment "S/390 block device drivers"
3 depends on S390 && BLOCK
4
5config DCSSBLK
6 def_tristate m
7 prompt "DCSSBLK support"
8 depends on S390 && BLOCK && (DAX || DAX=n)
9 help
10 Support for dcss block device
11
12config DCSSBLK_DAX
13 def_bool y
14 depends on DCSSBLK
15 # requires S390 ZONE_DEVICE support
16 depends on BROKEN
17 prompt "DCSSBLK DAX support"
18 help
19 Enable DAX operation for the dcss block device
20
21config DASD
22 def_tristate y
23 prompt "Support for DASD devices"
24 depends on CCW && BLOCK
25 help
26 Enable this option if you want to access DASDs directly utilizing
27 S/390s channel subsystem commands. This is necessary for running
28 natively on a single image or an LPAR.
29
30config DASD_PROFILE
31 def_bool y
32 prompt "Profiling support for dasd devices"
33 depends on DASD
34 help
35 Enable this option if you want to see profiling information
36 in /proc/dasd/statistics.
37
38config DASD_ECKD
39 def_tristate y
40 prompt "Support for ECKD Disks"
41 depends on DASD
42 help
43 ECKD devices are the most commonly used devices. You should enable
44 this option unless you are very sure to have no ECKD device.
45
46config DASD_FBA
47 def_tristate y
48 prompt "Support for FBA Disks"
49 depends on DASD
50 help
51 Select this option to be able to access FBA devices. It is safe to
52 say "Y".
53
54config DASD_DIAG
55 def_tristate y
56 prompt "Support for DIAG access to Disks"
57 depends on DASD
58 help
59 Select this option if you want to use Diagnose250 command to access
60 Disks under VM. If you are not running under VM or unsure what it is,
61 say "N".
62
63config DASD_EER
64 def_bool y
65 prompt "Extended error reporting (EER)"
66 depends on DASD
67 help
68 This driver provides a character device interface to the
69 DASD extended error reporting. This is only needed if you want to
70 use applications written for the EER facility.
71
72config SCM_BLOCK
73 def_tristate m
74 prompt "Support for Storage Class Memory"
75 depends on S390 && BLOCK && EADM_SCH && SCM_BUS
76 help
77 Block device driver for Storage Class Memory (SCM). This driver
78 provides a block device interface for each available SCM increment.
79
80 To compile this driver as a module, choose M here: the
81 module will be called scm_block.