projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * File...........: linux/drivers/s390/block/dasd_3990_erp.c | |
| 3 | * Author(s)......: Horst Hummel <Horst.Hummel@de.ibm.com> | |
| 4 | * Holger Smolinski <Holger.Smolinski@de.ibm.com> | |
| 5 | * Bugreports.to..: <Linux390@de.ibm.com> | |
| 6 | * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000, 2001 | |
| 7 | * | |
| 8 | * $Revision: 1.36 $ | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/timer.h> | |
| 12 | #include <linux/slab.h> | |
| 13 | #include <asm/idals.h> | |
| 14 | #include <asm/todclk.h> | |
| 15 | ||
| 16 | #define PRINTK_HEADER "dasd_erp(3990): " | |
| 17 | ||
| 18 | #include "dasd_int.h" | |
| 19 | #include "dasd_eckd.h" | |
| 20 | ||
| 21 | ||
| 22 | struct DCTL_data { | |
| 23 | unsigned char subcommand; /* e.g Inhibit Write, Enable Write,... */ | |
| 24 | unsigned char modifier; /* Subcommand modifier */ | |
| 25 | unsigned short res; /* reserved */ | |
| 26 | } __attribute__ ((packed)); | |
| 27 | ||
| 28 | /* | |
| 29 | ***************************************************************************** | |
| 30 | * SECTION ERP EXAMINATION | |
| 31 | ***************************************************************************** | |
| 32 | */ | |
| 33 | ||
| 34 | /* | |
| 35 | * DASD_3990_ERP_EXAMINE_24 | |
| 36 | * | |
| 37 | * DESCRIPTION | |
| 38 | * Checks only for fatal (unrecoverable) error. | |
| 39 | * A detailed examination of the sense data is done later outside | |
| 40 | * the interrupt handler. | |
| 41 | * | |
| 42 | * Each bit configuration leading to an action code 2 (Exit with | |
| 43 | * programming error or unusual condition indication) | |
| 44 |