projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 138c014d | 1 | /* |
| 1da177e4 LT |
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 | * | |
| 1da177e4 LT |
9 | */ |
| 10 | ||
| 11 | #define MDSK_WRITE_REQ 0x01 | |
| 12 | #define MDSK_READ_REQ 0x02 | |
| 13 | ||
| 14 | #define INIT_BIO 0x00 | |
| 15 | #define RW_BIO 0x01 | |
| 16 | #define TERM_BIO 0x02 | |
| 17 | ||
| 18 | #define DEV_CLASS_FBA 0x01 | |
| 19 | #define DEV_CLASS_ECKD 0x04 | |
| 20 | ||
| fd49f41a HH |
21 | #define DASD_DIAG_CODE_31BIT 0x03 |
| 22 | #define DASD_DIAG_CODE_64BIT 0x07 | |
| 23 | ||
| 24 | #define DASD_DIAG_RWFLAG_ASYNC 0x02 | |
| 25 | #define DASD_DIAG_RWFLAG_NOCACHE 0x01 | |
| 26 | ||
| 27 | #define DASD_DIAG_FLAGA_FORMAT_64BIT 0x80 | |
| 28 | ||
| 1da177e4 LT |
29 | struct dasd_diag_characteristics { |
| 30 | u16 dev_nr; | |
| 31 | u16 rdc_len; | |
| 32 | u8 vdev_class; | |
| 33 | u8 vdev_type; | |
| 34 | u8 vdev_status; | |
| 35 | u8 vdev_flags; | |
| 36 | u8 rdev_class; | |
| 37 | u8 rdev_type; | |
| 38 | u8 rdev_model; | |
| 39 | u8 rdev_features; | |
| 40 | } __attribute__ ((packed, aligned(4))); | |
| 41 | ||
| fd49f41a | 42 | |
| 347a8dc3 | 43 | #ifdef CONFIG_64BIT |
| fd49f41a HH |
44 | #define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT |
| 45 | ||
| 46 | typedef u64 blocknum_t; | |
| 47 | typedef s64 sblocknum_t; | |
| 48 | ||
| 49 | struct dasd_diag_bio { | |
| 50 | u8 type; | |
| 51 | u8 status; | |
| 52 | u8 spare1[2]; | |
| 53 | u32 alet; | |
| 54 | blocknum_t block_number; | |
| 86b368a5 | 55 | void *buffer; |
| fd49f41a HH |
56 | } __attribute__ ((packed, aligned(8))); |
| 57 | ||
| 58 | struct dasd_diag_init_io { | |
| 59 | u16 dev_nr; | |
| 60 | u8 flaga; | |
| 61 | u8 spare1[21]; | |
| 62 | u32 block_size; | |
| 63 | u8 spare2[4]; | |
| 64 | blocknum_t offset; | |
| 65 | sblocknum_t start_block; | |
| 66 | blocknum_t end_block; | |
| 67 | u8 spare3[8]; | |
| 68 | } __attribute__ ((packed, aligned(8))); | |
| 69 | ||
| 70 | struct dasd_diag_rw_io { | |
| 71 | u16 dev_nr; | |
| 72 | u8 flaga; | |
| 73 | u8 spare1[21]; | |
| 74 | u8 key; | |
| 75 | u8 flags; | |
| 76 | u8 spare2[2]; | |
| 77 | u32 block_count; | |
| 78 | u32 alet; | |
| 79 | u8 spare3[4]; | |
| 80 | u64 interrupt_params; | |
| 86b368a5 | 81 | struct dasd_diag_bio *bio_list; |
| fd49f41a HH |
82 | u8 spare4[8]; |
| 83 | } __attribute__ ((packed, aligned(8))); | |
| 347a8dc3 | 84 | #else /* CONFIG_64BIT */ |
| fd49f41a HH |
85 | #define DASD_DIAG_FLAGA_DEFAULT 0x0 |
| 86 | ||
| 87 | typedef u32 blocknum_t; | |
| 88 | typedef s32 sblocknum_t; | |
| 89 | ||
| 1da177e4 LT |
90 | struct dasd_diag_bio { |
| 91 | u8 type; | |
| 92 | u8 status; | |
| 93 | u16 spare1; | |
| fd49f41a | 94 | blocknum_t block_number; |
| 1da177e4 | 95 | u32 alet; |
| 86b368a5 | 96 | void *buffer; |
| 1da177e4 LT |
97 | } __attribute__ ((packed, aligned(8))); |
| 98 | ||
| 99 | struct dasd_diag_init_io { | |
| 100 | u16 dev_nr; | |
| fd49f41a HH |
101 | u8 flaga; |
| 102 | u8 spare1[21]; | |
| 1da177e4 | 103 | u32 block_size; |
| fd49f41a HH |
104 | blocknum_t offset; |
| 105 | sblocknum_t start_block; | |
| 106 | blocknum_t end_block; | |
| 107 | u8 spare2[24]; | |
| 1da177e4 LT |
108 | } __attribute__ ((packed, aligned(8))); |
| 109 | ||
| 110 | struct dasd_diag_rw_io { | |
| 111 | u16 dev_nr; | |
| fd49f41a HH |
112 | u8 flaga; |
| 113 | u8 spare1[21]; | |
| 1da177e4 LT |
114 | u8 key; |
| 115 | u8 flags; | |
| fd49f41a | 116 | u8 spare2[2]; |
| 1da177e4 LT |
117 | u32 block_count; |
| 118 | u32 alet; | |
| 86b368a5 | 119 | struct dasd_diag_bio *bio_list; |
| 1da177e4 | 120 | u32 interrupt_params; |
| fd49f41a | 121 | u8 spare3[20]; |
| 1da177e4 | 122 | } __attribute__ ((packed, aligned(8))); |
| 347a8dc3 | 123 | #endif /* CONFIG_64BIT */ |