projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | * | |
| fd49f41a | 9 | * $Revision: 1.7 $ |
| 1da177e4 LT |
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 | ||
| fd49f41a HH |
22 | #define DASD_DIAG_LC_INT_CODE 132 |
| 23 | #define DASD_DIAG_LC_INT_STATUS 133 | |
| 24 | #define DASD_DIAG_LC_INT_PARM_31BIT 128 | |
| 25 | #define DASD_DIAG_LC_INT_PARM_64BIT 4536 | |
| 26 | #define DASD_DIAG_CODE_31BIT 0x03 | |
| 27 | #define DASD_DIAG_CODE_64BIT 0x07 | |
| 28 | ||
| 29 | #define DASD_DIAG_RWFLAG_ASYNC 0x02 | |
| 30 | #define DASD_DIAG_RWFLAG_NOCACHE 0x01 | |
| 31 | ||
| 32 | #define DASD_DIAG_FLAGA_FORMAT_64BIT 0x80 | |
| 33 | ||
| 1da177e4 LT |
34 | struct dasd_diag_characteristics { |
| 35 | u16 dev_nr; | |
| 36 | u16 rdc_len; | |
| 37 | u8 vdev_class; | |
| 38 | u8 vdev_type; | |
| 39 | u8 vdev_status; | |
| 40 | u8 vdev_flags; | |
| 41 | u8 rdev_class; | |
| 42 | u8 rdev_type; | |
| 43 | u8 rdev_model; | |
| 44 | u8 rdev_features; | |
| 45 | } __attribute__ ((packed, aligned(4))); | |
| 46 | ||
| fd49f41a HH |
47 | struct dasd_diag_cms_label { |
| 48 | u8 label_id[4]; | |
| 49 | u8 vol_id[6]; | |
| 50 | u16 version_id; | |
| 51 | u32 block_size; | |
| 52 | u32 origin_ptr; | |
| 53 | u32 usable_count; | |
| 54 | u32 formatted_count; | |
| 55 | u32 block_count; | |
| 56 | u32 used_count; | |
| 57 | u32 fst_size; | |
| 58 | u32 fst_count; | |
| 59 | u8 format_date[6]; | |
| 60 | u8 reserved1[2]; | |
| 61 | u32 disk_offset; | |
| 62 | u32 map_block; | |
| 63 | u32 hblk_disp; | |
| 64 | u32 user_disp; | |
| 65 | u8 reserved2[4]; | |
| 66 | u8 segment_name[8]; | |
| 67 | } __attribute__ ((packed)); | |
| 68 | ||
| 69 | #ifdef CONFIG_ARCH_S390X | |
| 70 | #define DASD_DIAG_FLAGA_DEFAULT DASD_DIAG_FLAGA_FORMAT_64BIT | |
| 71 | ||
| 72 | typedef u64 blocknum_t; | |
| 73 | typedef s64 sblocknum_t; | |
| 74 | ||
| 75 | struct dasd_diag_bio { | |
| 76 | u8 type; | |
| 77 | u8 status; | |
| 78 | u8 spare1[2]; | |
| 79 | u32 alet; | |
| 80 | blocknum_t block_number; | |
| 81 | u64 buffer; | |
| 82 | } __attribute__ ((packed, aligned(8))); | |
| 83 | ||
| 84 | struct dasd_diag_init_io { | |
| 85 | u16 dev_nr; | |
| 86 | u8 flaga; | |
| 87 | u8 spare1[21]; | |
| 88 | u32 block_size; | |
| 89 | u8 spare2[4]; | |
| 90 | blocknum_t offset; | |
| 91 | sblocknum_t start_block; | |
| 92 | blocknum_t end_block; | |
| 93 | u8 spare3[8]; | |
| 94 | } __attribute__ ((packed, aligned(8))); | |
| 95 | ||
| 96 | struct dasd_diag_rw_io { | |
| 97 | u16 dev_nr; | |
| 98 | u8 flaga; | |
| 99 | u8 spare1[21]; | |
| 100 | u8 key; | |
| 101 | u8 flags; | |
| 102 | u8 spare2[2]; | |
| 103 | u32 block_count; | |
| 104 | u32 alet; | |
| 105 | u8 spare3[4]; | |
| 106 | u64 interrupt_params; | |
| 107 | u64 bio_list; | |
| 108 | u8 spare4[8]; | |
| 109 | } __attribute__ ((packed, aligned(8))); | |
| 110 | #else /* CONFIG_ARCH_S390X */ | |
| 111 | #define DASD_DIAG_FLAGA_DEFAULT 0x0 | |
| 112 | ||
| 113 | typedef u32 blocknum_t; | |
| 114 | typedef s32 sblocknum_t; | |
| 115 | ||
| 1da177e4 LT |
116 | struct dasd_diag_bio { |
| 117 | u8 type; | |
| 118 | u8 status; | |
| 119 | u16 spare1; | |
| fd49f41a | 120 | blocknum_t block_number; |
| 1da177e4 LT |
121 | u32 alet; |
| 122 | u32 buffer; | |
| 123 | } __attribute__ ((packed, aligned(8))); | |
| 124 | ||
| 125 | struct dasd_diag_init_io { | |
| 126 | u16 dev_nr; | |
| fd49f41a HH |
127 | u8 flaga; |
| 128 | u8 spare1[21]; | |
| 1da177e4 | 129 | u32 block_size; |
| fd49f41a HH |
130 | blocknum_t offset; |
| 131 | sblocknum_t start_block; | |
| 132 | blocknum_t end_block; | |
| 133 | u8 spare2[24]; | |
| 1da177e4 LT |
134 | } __attribute__ ((packed, aligned(8))); |
| 135 | ||
| 136 | struct dasd_diag_rw_io { | |
| 137 | u16 dev_nr; | |
| fd49f41a HH |
138 | u8 flaga; |
| 139 | u8 spare1[21]; | |
| 1da177e4 LT |
140 | u8 key; |
| 141 | u8 flags; | |
| fd49f41a | 142 | u8 spare2[2]; |
| 1da177e4 LT |
143 | u32 block_count; |
| 144 | u32 alet; | |
| 145 | u32 bio_list; | |
| 146 | u32 interrupt_params; | |
| fd49f41a | 147 | u8 spare3[20]; |
| 1da177e4 | 148 | } __attribute__ ((packed, aligned(8))); |
| fd49f41a | 149 | #endif /* CONFIG_ARCH_S390X */ |