projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 138c014d | 1 | /* |
| 1da177e4 LT |
2 | * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> |
| 3 | * Based on.......: linux/drivers/s390/block/mdisk.h | |
| 4 | * ...............: by Hartmunt Penner <hpenner@de.ibm.com> | |
| 5 | * Bugreports.to..: <Linux390@de.ibm.com> | |
| a53c8fab | 6 | * Copyright IBM Corp. 1999, 2000 |
| 1da177e4 | 7 | * |
| 1da177e4 LT |
8 | */ |
| 9 | ||
| 10 | #define MDSK_WRITE_REQ 0x01 | |
| 11 | #define MDSK_READ_REQ 0x02 | |
| 12 | ||
| 13 | #define INIT_BIO 0x00 | |
| 14 | #define RW_BIO 0x01 | |
| 15 | #define TERM_BIO 0x02 | |
| 16 | ||
| 17 | #define DEV_CLASS_FBA 0x01 | |
| 18 | #define DEV_CLASS_ECKD 0x04 | |
| 19 | ||
| fd49f41a HH |
20 | #define DASD_DIAG_CODE_31BIT 0x03 |
| 21 | #define DASD_DIAG_CODE_64BIT 0x07 | |
| 22 | ||
| 23 | #define DASD_DIAG_RWFLAG_ASYNC 0x02 | |
| 24 | #define DASD_DIAG_RWFLAG_NOCACHE 0x01 | |
| 25 | ||
| 26 | #define DASD_DIAG_FLAGA_FORMAT_64BIT 0x80 | |
| 27 | ||
| 1da177e4 LT |
28 | struct dasd_diag_characteristics { |
| 29 | u16 dev_nr; | |
| 30 | u16 rdc_len; | |
| 31 | u8 vdev_class; | |
| 32 | u8 vdev_type; | |
| 33 | u8 vdev_status; | |
| 34 | u8 vdev_flags; | |
| 35 | u8 rdev_class; | |
| 36 | u8 rdev_type; | |
| 37 | u8 rdev_model; | |
| 38 | u8 rdev_features; | |
| 39 | } __attribute__ ((packed, aligned(4))); | |
| 40 | ||
| fd49f41a HH |
41 | #define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT |
| 42 | ||
| 43 | typedef u64 blocknum_t; | |
| 44 | typedef s64 sblocknum_t; | |
| 45 | ||
| 46 | struct dasd_diag_bio { | |
| 47 | u8 type; | |
| 48 | u8 status; | |
| 49 | u8 spare1[2]; | |
| 50 | u32 alet; | |
| 51 | blocknum_t block_number; | |
| 86b368a5 | 52 | void *buffer; |
| fd49f41a HH |
53 | } __attribute__ ((packed, aligned(8))); |
| 54 | ||
| 55 | struct dasd_diag_init_io { | |
| 56 | u16 dev_nr; | |
| 57 | u8 flaga; | |
| 58 | u8 spare1[21]; | |
| 59 | u32 block_size; | |
| 60 | u8 spare2[4]; | |
| 61 | blocknum_t offset; | |
| 62 | sblocknum_t start_block; | |
| 63 | blocknum_t end_block; | |
| 64 | u8 spare3[8]; | |
| 65 | } __attribute__ ((packed, aligned(8))); | |
| 66 | ||
| 67 | struct dasd_diag_rw_io { | |
| 68 | u16 dev_nr; | |
| 69 | u8 flaga; | |
| 70 | u8 spare1[21]; | |
| 71 | u8 key; | |
| 72 | u8 flags; | |
| 73 | u8 spare2[2]; | |
| 74 | u32 block_count; | |
| 75 | u32 alet; | |
| 76 | u8 spare3[4]; | |
| 77 | u64 interrupt_params; | |
| 86b368a5 | 78 | struct dasd_diag_bio *bio_list; |
| fd49f41a HH |
79 | u8 spare4[8]; |
| 80 | } __attribute__ ((packed, aligned(8))); |