| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * File...........: linux/drivers/s390/block/dasd_diag.h |
| 3 | * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> |
| 4 | * Based on.......: linux/drivers/s390/block/mdisk.h |
| 5 | * ...............: by Hartmunt Penner <hpenner@de.ibm.com> |
| 6 | * Bugreports.to..: <Linux390@de.ibm.com> |
| 7 | * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 |
| 8 | * |
| 9 | * $Revision: 1.6 $ |
| 10 | */ |
| 11 | |
| 12 | #define MDSK_WRITE_REQ 0x01 |
| 13 | #define MDSK_READ_REQ 0x02 |
| 14 | |
| 15 | #define INIT_BIO 0x00 |
| 16 | #define RW_BIO 0x01 |
| 17 | #define TERM_BIO 0x02 |
| 18 | |
| 19 | #define DEV_CLASS_FBA 0x01 |
| 20 | #define DEV_CLASS_ECKD 0x04 |
| 21 | |
| 22 | struct dasd_diag_characteristics { |
| 23 | u16 dev_nr; |
| 24 | u16 rdc_len; |
| 25 | u8 vdev_class; |
| 26 | u8 vdev_type; |
| 27 | u8 vdev_status; |
| 28 | u8 vdev_flags; |
| 29 | u8 rdev_class; |
| 30 | u8 rdev_type; |
| 31 | u8 rdev_model; |
| 32 | u8 rdev_features; |
| 33 | } __attribute__ ((packed, aligned(4))); |
| 34 | |
| 35 | struct dasd_diag_bio { |
| 36 | u8 type; |
| 37 | u8 status; |
| 38 | u16 spare1; |
| 39 | u32 block_number; |
| 40 | u32 alet; |
| 41 | u32 buffer; |
| 42 | } __attribute__ ((packed, aligned(8))); |
| 43 | |
| 44 | struct dasd_diag_init_io { |
| 45 | u16 dev_nr; |
| 46 | u16 spare1[11]; |
| 47 | u32 block_size; |
| 48 | u32 offset; |
| 49 | u32 start_block; |
| 50 | u32 end_block; |
| 51 | u32 spare2[6]; |
| 52 | } __attribute__ ((packed, aligned(8))); |
| 53 | |
| 54 | struct dasd_diag_rw_io { |
| 55 | u16 dev_nr; |
| 56 | u16 spare1[11]; |
| 57 | u8 key; |
| 58 | u8 flags; |
| 59 | u16 spare2; |
| 60 | u32 block_count; |
| 61 | u32 alet; |
| 62 | u32 bio_list; |
| 63 | u32 interrupt_params; |
| 64 | u32 spare3[5]; |
| 65 | } __attribute__ ((packed, aligned(8))); |
| 66 | |