Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * File...........: linux/drivers/s390/block/dasd_eckd.h |
| 3 | * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> |
| 4 | * Horst Hummel <Horst.Hummel@de.ibm.com> |
| 5 | * Bugreports.to..: <Linux390@de.ibm.com> |
| 6 | * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 |
| 7 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #ifndef DASD_ECKD_H |
| 11 | #define DASD_ECKD_H |
| 12 | |
| 13 | /***************************************************************************** |
| 14 | * SECTION: CCW Definitions |
| 15 | ****************************************************************************/ |
| 16 | #define DASD_ECKD_CCW_WRITE 0x05 |
| 17 | #define DASD_ECKD_CCW_READ 0x06 |
| 18 | #define DASD_ECKD_CCW_WRITE_HOME_ADDRESS 0x09 |
| 19 | #define DASD_ECKD_CCW_READ_HOME_ADDRESS 0x0a |
| 20 | #define DASD_ECKD_CCW_WRITE_KD 0x0d |
| 21 | #define DASD_ECKD_CCW_READ_KD 0x0e |
| 22 | #define DASD_ECKD_CCW_ERASE 0x11 |
| 23 | #define DASD_ECKD_CCW_READ_COUNT 0x12 |
| 24 | #define DASD_ECKD_CCW_SLCK 0x14 |
| 25 | #define DASD_ECKD_CCW_WRITE_RECORD_ZERO 0x15 |
| 26 | #define DASD_ECKD_CCW_READ_RECORD_ZERO 0x16 |
| 27 | #define DASD_ECKD_CCW_WRITE_CKD 0x1d |
| 28 | #define DASD_ECKD_CCW_READ_CKD 0x1e |
| 29 | #define DASD_ECKD_CCW_PSF 0x27 |
| 30 | #define DASD_ECKD_CCW_RSSD 0x3e |
| 31 | #define DASD_ECKD_CCW_LOCATE_RECORD 0x47 |
Stefan Weinhuber | 20c6446 | 2006-03-24 03:15:25 -0800 | [diff] [blame] | 32 | #define DASD_ECKD_CCW_SNSS 0x54 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #define DASD_ECKD_CCW_DEFINE_EXTENT 0x63 |
| 34 | #define DASD_ECKD_CCW_WRITE_MT 0x85 |
| 35 | #define DASD_ECKD_CCW_READ_MT 0x86 |
| 36 | #define DASD_ECKD_CCW_WRITE_KD_MT 0x8d |
| 37 | #define DASD_ECKD_CCW_READ_KD_MT 0x8e |
| 38 | #define DASD_ECKD_CCW_RELEASE 0x94 |
| 39 | #define DASD_ECKD_CCW_READ_CKD_MT 0x9e |
| 40 | #define DASD_ECKD_CCW_WRITE_CKD_MT 0x9d |
| 41 | #define DASD_ECKD_CCW_RESERVE 0xB4 |
| 42 | |
| 43 | /* |
| 44 | *Perform Subsystem Function / Sub-Orders |
| 45 | */ |
| 46 | #define PSF_ORDER_PRSSD 0x18 |
| 47 | |
| 48 | /***************************************************************************** |
| 49 | * SECTION: Type Definitions |
| 50 | ****************************************************************************/ |
| 51 | |
| 52 | struct eckd_count { |
| 53 | __u16 cyl; |
| 54 | __u16 head; |
| 55 | __u8 record; |
| 56 | __u8 kl; |
| 57 | __u16 dl; |
| 58 | } __attribute__ ((packed)); |
| 59 | |
| 60 | struct ch_t { |
| 61 | __u16 cyl; |
| 62 | __u16 head; |
| 63 | } __attribute__ ((packed)); |
| 64 | |
| 65 | struct chs_t { |
| 66 | __u16 cyl; |
| 67 | __u16 head; |
| 68 | __u32 sector; |
| 69 | } __attribute__ ((packed)); |
| 70 | |
| 71 | struct chr_t { |
| 72 | __u16 cyl; |
| 73 | __u16 head; |
| 74 | __u8 record; |
| 75 | } __attribute__ ((packed)); |
| 76 | |
| 77 | struct geom_t { |
| 78 | __u16 cyl; |
| 79 | __u16 head; |
| 80 | __u32 sector; |
| 81 | } __attribute__ ((packed)); |
| 82 | |
| 83 | struct eckd_home { |
| 84 | __u8 skip_control[14]; |
| 85 | __u16 cell_number; |
| 86 | __u8 physical_addr[3]; |
| 87 | __u8 flag; |
| 88 | struct ch_t track_addr; |
| 89 | __u8 reserved; |
| 90 | __u8 key_length; |
| 91 | __u8 reserved2[2]; |
| 92 | } __attribute__ ((packed)); |
| 93 | |
| 94 | struct DE_eckd_data { |
| 95 | struct { |
| 96 | unsigned char perm:2; /* Permissions on this extent */ |
| 97 | unsigned char reserved:1; |
| 98 | unsigned char seek:2; /* Seek control */ |
| 99 | unsigned char auth:2; /* Access authorization */ |
| 100 | unsigned char pci:1; /* PCI Fetch mode */ |
| 101 | } __attribute__ ((packed)) mask; |
| 102 | struct { |
| 103 | unsigned char mode:2; /* Architecture mode */ |
| 104 | unsigned char ckd:1; /* CKD Conversion */ |
| 105 | unsigned char operation:3; /* Operation mode */ |
| 106 | unsigned char cfw:1; /* Cache fast write */ |
| 107 | unsigned char dfw:1; /* DASD fast write */ |
| 108 | } __attribute__ ((packed)) attributes; |
| 109 | __u16 blk_size; /* Blocksize */ |
| 110 | __u16 fast_write_id; |
| 111 | __u8 ga_additional; /* Global Attributes Additional */ |
| 112 | __u8 ga_extended; /* Global Attributes Extended */ |
| 113 | struct ch_t beg_ext; |
| 114 | struct ch_t end_ext; |
| 115 | unsigned long long ep_sys_time; /* Ext Parameter - System Time Stamp */ |
| 116 | __u8 ep_format; /* Extended Parameter format byte */ |
| 117 | __u8 ep_prio; /* Extended Parameter priority I/O byte */ |
| 118 | __u8 ep_reserved[6]; /* Extended Parameter Reserved */ |
| 119 | } __attribute__ ((packed)); |
| 120 | |
| 121 | struct LO_eckd_data { |
| 122 | struct { |
| 123 | unsigned char orientation:2; |
| 124 | unsigned char operation:6; |
| 125 | } __attribute__ ((packed)) operation; |
| 126 | struct { |
| 127 | unsigned char last_bytes_used:1; |
| 128 | unsigned char reserved:6; |
| 129 | unsigned char read_count_suffix:1; |
| 130 | } __attribute__ ((packed)) auxiliary; |
| 131 | __u8 unused; |
| 132 | __u8 count; |
| 133 | struct ch_t seek_addr; |
| 134 | struct chr_t search_arg; |
| 135 | __u8 sector; |
| 136 | __u16 length; |
| 137 | } __attribute__ ((packed)); |
| 138 | |
| 139 | struct dasd_eckd_characteristics { |
| 140 | __u16 cu_type; |
| 141 | struct { |
| 142 | unsigned char support:2; |
| 143 | unsigned char async:1; |
| 144 | unsigned char reserved:1; |
| 145 | unsigned char cache_info:1; |
| 146 | unsigned char model:3; |
| 147 | } __attribute__ ((packed)) cu_model; |
| 148 | __u16 dev_type; |
| 149 | __u8 dev_model; |
| 150 | struct { |
| 151 | unsigned char mult_burst:1; |
| 152 | unsigned char RT_in_LR:1; |
| 153 | unsigned char reserved1:1; |
| 154 | unsigned char RD_IN_LR:1; |
| 155 | unsigned char reserved2:4; |
| 156 | unsigned char reserved3:8; |
| 157 | unsigned char defect_wr:1; |
| 158 | unsigned char XRC_supported:1; |
| 159 | unsigned char reserved4:1; |
| 160 | unsigned char striping:1; |
| 161 | unsigned char reserved5:4; |
| 162 | unsigned char cfw:1; |
| 163 | unsigned char reserved6:2; |
| 164 | unsigned char cache:1; |
| 165 | unsigned char dual_copy:1; |
| 166 | unsigned char dfw:1; |
| 167 | unsigned char reset_alleg:1; |
| 168 | unsigned char sense_down:1; |
| 169 | } __attribute__ ((packed)) facilities; |
| 170 | __u8 dev_class; |
| 171 | __u8 unit_type; |
| 172 | __u16 no_cyl; |
| 173 | __u16 trk_per_cyl; |
| 174 | __u8 sec_per_trk; |
| 175 | __u8 byte_per_track[3]; |
| 176 | __u16 home_bytes; |
| 177 | __u8 formula; |
| 178 | union { |
| 179 | struct { |
| 180 | __u8 f1; |
| 181 | __u16 f2; |
| 182 | __u16 f3; |
| 183 | } __attribute__ ((packed)) f_0x01; |
| 184 | struct { |
| 185 | __u8 f1; |
| 186 | __u8 f2; |
| 187 | __u8 f3; |
| 188 | __u8 f4; |
| 189 | __u8 f5; |
| 190 | } __attribute__ ((packed)) f_0x02; |
| 191 | } __attribute__ ((packed)) factors; |
| 192 | __u16 first_alt_trk; |
| 193 | __u16 no_alt_trk; |
| 194 | __u16 first_dia_trk; |
| 195 | __u16 no_dia_trk; |
| 196 | __u16 first_sup_trk; |
| 197 | __u16 no_sup_trk; |
| 198 | __u8 MDR_ID; |
| 199 | __u8 OBR_ID; |
| 200 | __u8 director; |
| 201 | __u8 rd_trk_set; |
| 202 | __u16 max_rec_zero; |
| 203 | __u8 reserved1; |
| 204 | __u8 RWANY_in_LR; |
| 205 | __u8 factor6; |
| 206 | __u8 factor7; |
| 207 | __u8 factor8; |
| 208 | __u8 reserved2[3]; |
| 209 | __u8 reserved3[10]; |
| 210 | } __attribute__ ((packed)); |
| 211 | |
| 212 | struct dasd_eckd_confdata { |
| 213 | struct { |
| 214 | struct { |
| 215 | unsigned char identifier:2; |
| 216 | unsigned char token_id:1; |
| 217 | unsigned char sno_valid:1; |
| 218 | unsigned char subst_sno:1; |
| 219 | unsigned char recNED:1; |
| 220 | unsigned char emuNED:1; |
| 221 | unsigned char reserved:1; |
| 222 | } __attribute__ ((packed)) flags; |
| 223 | __u8 descriptor; |
| 224 | __u8 dev_class; |
| 225 | __u8 reserved; |
| 226 | unsigned char dev_type[6]; |
| 227 | unsigned char dev_model[3]; |
| 228 | unsigned char HDA_manufacturer[3]; |
| 229 | unsigned char HDA_location[2]; |
| 230 | unsigned char HDA_seqno[12]; |
Horst Hummel | 3d05259 | 2006-04-27 18:40:28 -0700 | [diff] [blame] | 231 | __u8 ID; |
| 232 | __u8 unit_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | } __attribute__ ((packed)) ned1; |
Horst Hummel | 3d05259 | 2006-04-27 18:40:28 -0700 | [diff] [blame] | 234 | union { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | struct { |
Horst Hummel | 3d05259 | 2006-04-27 18:40:28 -0700 | [diff] [blame] | 236 | struct { |
| 237 | unsigned char identifier:2; |
| 238 | unsigned char token_id:1; |
| 239 | unsigned char sno_valid:1; |
| 240 | unsigned char subst_sno:1; |
| 241 | unsigned char recNED:1; |
| 242 | unsigned char emuNED:1; |
| 243 | unsigned char reserved:1; |
| 244 | } __attribute__ ((packed)) flags; |
| 245 | __u8 descriptor; |
| 246 | __u8 reserved[2]; |
| 247 | unsigned char dev_type[6]; |
| 248 | unsigned char dev_model[3]; |
| 249 | unsigned char DASD_manufacturer[3]; |
| 250 | unsigned char DASD_location[2]; |
| 251 | unsigned char DASD_seqno[12]; |
| 252 | __u16 ID; |
| 253 | } __attribute__ ((packed)) ned; |
| 254 | struct { |
| 255 | unsigned char flags; /* byte 0 */ |
| 256 | unsigned char res2[7]; /* byte 1- 7 */ |
| 257 | unsigned char sua_flags; /* byte 8 */ |
| 258 | __u8 base_unit_addr; /* byte 9 */ |
| 259 | unsigned char res3[22]; /* byte 10-31 */ |
| 260 | } __attribute__ ((packed)) sneq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | } __attribute__ ((packed)) ned2; |
| 262 | struct { |
| 263 | struct { |
| 264 | unsigned char identifier:2; |
| 265 | unsigned char token_id:1; |
| 266 | unsigned char sno_valid:1; |
| 267 | unsigned char subst_sno:1; |
| 268 | unsigned char recNED:1; |
| 269 | unsigned char emuNED:1; |
| 270 | unsigned char reserved:1; |
| 271 | } __attribute__ ((packed)) flags; |
| 272 | __u8 descriptor; |
| 273 | __u8 reserved[2]; |
| 274 | unsigned char cont_type[6]; |
| 275 | unsigned char cont_model[3]; |
| 276 | unsigned char cont_manufacturer[3]; |
| 277 | unsigned char cont_location[2]; |
| 278 | unsigned char cont_seqno[12]; |
| 279 | __u16 ID; |
| 280 | } __attribute__ ((packed)) ned3; |
| 281 | struct { |
| 282 | struct { |
| 283 | unsigned char identifier:2; |
| 284 | unsigned char token_id:1; |
| 285 | unsigned char sno_valid:1; |
| 286 | unsigned char subst_sno:1; |
| 287 | unsigned char recNED:1; |
| 288 | unsigned char emuNED:1; |
| 289 | unsigned char reserved:1; |
| 290 | } __attribute__ ((packed)) flags; |
| 291 | __u8 descriptor; |
| 292 | __u8 reserved[2]; |
| 293 | unsigned char cont_type[6]; |
| 294 | unsigned char empty[3]; |
| 295 | unsigned char cont_manufacturer[3]; |
| 296 | unsigned char cont_location[2]; |
| 297 | unsigned char cont_seqno[12]; |
| 298 | __u16 ID; |
| 299 | } __attribute__ ((packed)) ned4; |
| 300 | unsigned char ned5[32]; |
| 301 | unsigned char ned6[32]; |
| 302 | unsigned char ned7[32]; |
| 303 | struct { |
| 304 | struct { |
| 305 | unsigned char identifier:2; |
| 306 | unsigned char reserved:6; |
| 307 | } __attribute__ ((packed)) flags; |
| 308 | __u8 selector; |
| 309 | __u16 interfaceID; |
| 310 | __u32 reserved; |
| 311 | __u16 subsystemID; |
| 312 | struct { |
| 313 | unsigned char sp0:1; |
| 314 | unsigned char sp1:1; |
| 315 | unsigned char reserved:5; |
| 316 | unsigned char scluster:1; |
| 317 | } __attribute__ ((packed)) spathID; |
| 318 | __u8 unit_address; |
| 319 | __u8 dev_ID; |
| 320 | __u8 dev_address; |
| 321 | __u8 adapterID; |
| 322 | __u16 link_address; |
| 323 | struct { |
| 324 | unsigned char parallel:1; |
| 325 | unsigned char escon:1; |
| 326 | unsigned char reserved:1; |
| 327 | unsigned char ficon:1; |
| 328 | unsigned char reserved2:4; |
| 329 | } __attribute__ ((packed)) protocol_type; |
| 330 | struct { |
| 331 | unsigned char PID_in_236:1; |
| 332 | unsigned char reserved:7; |
| 333 | } __attribute__ ((packed)) format_flags; |
| 334 | __u8 log_dev_address; |
| 335 | unsigned char reserved2[12]; |
| 336 | } __attribute__ ((packed)) neq; |
| 337 | } __attribute__ ((packed)); |
| 338 | |
| 339 | struct dasd_eckd_path { |
| 340 | __u8 opm; |
| 341 | __u8 ppm; |
| 342 | __u8 npm; |
| 343 | }; |
| 344 | |
| 345 | /* |
| 346 | * Perform Subsystem Function - Prepare for Read Subsystem Data |
| 347 | */ |
| 348 | struct dasd_psf_prssd_data { |
| 349 | unsigned char order; |
| 350 | unsigned char flags; |
| 351 | unsigned char reserved[4]; |
| 352 | unsigned char suborder; |
| 353 | unsigned char varies[9]; |
| 354 | } __attribute__ ((packed)); |
| 355 | |
| 356 | #endif /* DASD_ECKD_H */ |