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