| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | comment "S/390 block device drivers" |
| Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 2 | depends on S390 && BLOCK |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
| 4 | config BLK_DEV_XPRAM |
| 5 | tristate "XPRAM disk support" |
| Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 6 | depends on S390 && BLOCK |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | help |
| 8 | Select this option if you want to use your expanded storage on S/390 |
| 9 | or zSeries as a disk. This is useful as a _fast_ swap device if you |
| 10 | want to access more than 2G of memory when running in 31 bit mode. |
| 11 | This option is also available as a module which will be called |
| 12 | xpram. If unsure, say "N". |
| 13 | |
| 14 | config DCSSBLK |
| 15 | tristate "DCSSBLK support" |
| Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 16 | depends on S390 && BLOCK |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | help |
| 18 | Support for dcss block device |
| 19 | |
| 20 | config DASD |
| 21 | tristate "Support for DASD devices" |
| Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 22 | depends on CCW && BLOCK |
| Josef 'Jeff' Sipek | 08a8a0c | 2008-04-17 07:45:56 +0200 | [diff] [blame] | 23 | select IOSCHED_DEADLINE |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | help |
| 25 | Enable this option if you want to access DASDs directly utilizing |
| 26 | S/390s channel subsystem commands. This is necessary for running |
| 27 | natively on a single image or an LPAR. |
| 28 | |
| 29 | config DASD_PROFILE |
| 30 | bool "Profiling support for dasd devices" |
| 31 | depends on DASD |
| 32 | help |
| 33 | Enable this option if you want to see profiling information |
| 34 | in /proc/dasd/statistics. |
| 35 | |
| 36 | config DASD_ECKD |
| 37 | tristate "Support for ECKD Disks" |
| 38 | depends on DASD |
| 39 | help |
| 40 | ECKD devices are the most commonly used devices. You should enable |
| 41 | this option unless you are very sure to have no ECKD device. |
| 42 | |
| 43 | config DASD_FBA |
| 44 | tristate "Support for FBA Disks" |
| 45 | depends on DASD |
| 46 | help |
| 47 | Select this option to be able to access FBA devices. It is safe to |
| 48 | say "Y". |
| 49 | |
| 50 | config DASD_DIAG |
| 51 | tristate "Support for DIAG access to Disks" |
| Peter Oberparleiter | d0b2eaa | 2006-03-24 03:15:24 -0800 | [diff] [blame] | 52 | depends on DASD |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | help |
| 54 | Select this option if you want to use Diagnose250 command to access |
| 55 | Disks under VM. If you are not running under VM or unsure what it is, |
| 56 | say "N". |
| 57 | |
| Stefan Weinhuber | 20c6446 | 2006-03-24 03:15:25 -0800 | [diff] [blame] | 58 | config DASD_EER |
| 59 | bool "Extended error reporting (EER)" |
| 60 | depends on DASD |
| 61 | help |
| 62 | This driver provides a character device interface to the |
| 63 | DASD extended error reporting. This is only needed if you want to |
| 64 | use applications written for the EER facility. |