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Commit | Line | Data |
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9fa1db4c | 1 | # SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | comment "S/390 block device drivers" |
61d48c2c | 3 | depends on S390 && BLOCK |
1da177e4 | 4 | |
1da177e4 | 5 | config DCSSBLK |
6f9a3c33 | 6 | def_tristate m |
569d0365 | 7 | select FS_DAX_LIMITED |
2080e88a | 8 | select DAX_DRIVER |
6f9a3c33 | 9 | prompt "DCSSBLK support" |
61d48c2c | 10 | depends on S390 && BLOCK |
1da177e4 LT |
11 | help |
12 | Support for dcss block device | |
13 | ||
14 | config DASD | |
6f9a3c33 MS |
15 | def_tristate y |
16 | prompt "Support for DASD devices" | |
61d48c2c | 17 | depends on CCW && BLOCK |
1da177e4 LT |
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 | ||
23 | config DASD_PROFILE | |
6f9a3c33 MS |
24 | def_bool y |
25 | prompt "Profiling support for dasd devices" | |
1da177e4 LT |
26 | depends on DASD |
27 | help | |
28 | Enable this option if you want to see profiling information | |
8b96d971 | 29 | in /proc/dasd/statistics. |
1da177e4 LT |
30 | |
31 | config DASD_ECKD | |
6f9a3c33 MS |
32 | def_tristate y |
33 | prompt "Support for ECKD Disks" | |
1da177e4 LT |
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 | ||
39 | config DASD_FBA | |
6f9a3c33 MS |
40 | def_tristate y |
41 | prompt "Support for FBA Disks" | |
1da177e4 LT |
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 | ||
47 | config DASD_DIAG | |
6f9a3c33 MS |
48 | def_tristate y |
49 | prompt "Support for DIAG access to Disks" | |
d0b2eaa3 | 50 | depends on DASD |
1da177e4 LT |
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 | ||
20c64468 | 56 | config DASD_EER |
6f9a3c33 MS |
57 | def_bool y |
58 | prompt "Extended error reporting (EER)" | |
20c64468 SW |
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. | |
f30664e2 SO |
64 | |
65 | config 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. |