1 /* 2 * Structures and definitions for SCSI commands to Direct Access Devices 3 */ 4 5 /* 6 * Some lines of this file come from a file of the name "scsi.h" 7 * distributed by OSF as part of mach2.5, 8 * so the following disclaimer has been kept. 9 * 10 * Copyright 1990 by Open Software Foundation, 11 * Grenoble, FRANCE 12 * 13 * All Rights Reserved 14 * 15 * Permission to use, copy, modify, and distribute this software and 16 * its documentation for any purpose and without fee is hereby granted, 17 * provided that the above copyright notice appears in all copies and 18 * that both the copyright notice and this permission notice appear in 19 * supporting documentation, and that the name of OSF or Open Software 20 * Foundation not be used in advertising or publicity pertaining to 21 * distribution of the software without specific, written prior 22 * permission. 23 * 24 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 25 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, 26 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 27 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 28 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 29 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 30 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 31 */ 32 33 /* 34 * Largely written by Julian Elischer (julian@tfs.com) 35 * for TRW Financial Systems. 36 * 37 * TRW Financial Systems, in accordance with their agreement with Carnegie 38 * Mellon University, makes this software available to CMU to distribute 39 * or use in any manner that they see fit as long as this message is kept with 40 * the software. For this reason TFS also grants any other persons or 41 * organisations permission to use or modify this software. 42 * 43 * TFS supplies this software to be publicly redistributed 44 * on the understanding that TFS is not responsible for the correct 45 * functioning of this software in any circumstances. 46 * 47 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 48 * 49 * $FreeBSD: src/sys/cam/scsi/scsi_da.h,v 1.3.2.2 2000/07/01 23:35:49 ken Exp $ 50 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.h,v 1.3 2007/11/28 22:16:09 pavalos Exp $ 51 */ 52 53 #ifndef _SCSI_SCSI_DA_H 54 #define _SCSI_SCSI_DA_H 1 55 56 #include <sys/cdefs.h> 57 58 struct scsi_rezero_unit 59 { 60 u_int8_t opcode; 61 #define SRZU_LUN_MASK 0xE0 62 u_int8_t byte2; 63 u_int8_t reserved[3]; 64 u_int8_t control; 65 }; 66 67 /* 68 * NOTE: The lower three bits of byte2 of the format CDB are the same as 69 * the lower three bits of byte2 of the read defect data CDB, below. 70 */ 71 struct scsi_format_unit 72 { 73 u_int8_t opcode; 74 u_int8_t byte2; 75 #define FU_FORMAT_MASK SRDD10_DLIST_FORMAT_MASK 76 #define FU_BLOCK_FORMAT SRDD10_BLOCK_FORMAT 77 #define FU_BFI_FORMAT SRDD10_BYTES_FROM_INDEX_FORMAT 78 #define FU_PHYS_FORMAT SRDD10_PHYSICAL_SECTOR_FORMAT 79 #define FU_CMPLST 0x08 80 #define FU_FMT_DATA 0x10 81 u_int8_t vendor_specific; 82 u_int8_t interleave[2]; 83 u_int8_t control; 84 }; 85 86 struct scsi_reassign_blocks 87 { 88 u_int8_t opcode; 89 u_int8_t byte2; 90 u_int8_t unused[3]; 91 u_int8_t control; 92 }; 93 94 struct scsi_read_defect_data_10 95 { 96 u_int8_t opcode; 97 98 /* 99 * The most significant 3 bits are the LUN, the other 5 are 100 * reserved. 101 */ 102 #define SRDD10_LUN_MASK 0xE0 103 u_int8_t byte2; 104 #define SRDD10_GLIST 0x08 105 #define SRDD10_PLIST 0x10 106 #define SRDD10_DLIST_FORMAT_MASK 0x07 107 #define SRDD10_BLOCK_FORMAT 0x00 108 #define SRDD10_BYTES_FROM_INDEX_FORMAT 0x04 109 #define SRDD10_PHYSICAL_SECTOR_FORMAT 0x05 110 u_int8_t format; 111 112 u_int8_t reserved[4]; 113 114 u_int8_t alloc_length[2]; 115 116 u_int8_t control; 117 }; 118 119 struct scsi_read_defect_data_12 120 { 121 u_int8_t opcode; 122 123 /* 124 * The most significant 3 bits are the LUN, the other 5 are 125 * reserved. 126 */ 127 #define SRDD12_LUN_MASK 0xE0 128 u_int8_t byte2; 129 130 #define SRDD12_GLIST 0x08 131 #define SRDD12_PLIST 0x10 132 #define SRDD12_DLIST_FORMAT_MASK 0x07 133 #define SRDD12_BLOCK_FORMAT 0x00 134 #define SRDD12_BYTES_FROM_INDEX_FORMAT 0x04 135 #define SRDD12_PHYSICAL_SECTOR_FORMAT 0x05 136 u_int8_t format; 137 138 u_int8_t reserved[4]; 139 140 u_int8_t alloc_length[4]; 141 142 u_int8_t control; 143 144 }; 145 146 147 /* 148 * Opcodes 149 */ 150 #define REZERO_UNIT 0x01 151 #define FORMAT_UNIT 0x04 152 #define REASSIGN_BLOCKS 0x07 153 #define MODE_SELECT 0x15 154 #define MODE_SENSE 0x1a 155 #define READ_FORMAT_CAPACITIES 0x23 156 #define WRITE_AND_VERIFY 0x2e 157 #define VERIFY 0x2f 158 #define READ_DEFECT_DATA_10 0x37 159 #define READ_DEFECT_DATA_12 0xb7 160 161 struct format_defect_list_header 162 { 163 u_int8_t reserved; 164 u_int8_t byte2; 165 #define FU_DLH_VS 0x01 166 #define FU_DLH_IMMED 0x02 167 #define FU_DLH_DSP 0x04 168 #define FU_DLH_IP 0x08 169 #define FU_DLH_STPF 0x10 170 #define FU_DLH_DCRT 0x20 171 #define FU_DLH_DPRY 0x40 172 #define FU_DLH_FOV 0x80 173 u_int8_t defect_list_length[2]; 174 }; 175 176 struct format_ipat_descriptor 177 { 178 u_int8_t byte1; 179 #define FU_INIT_NO_HDR 0x00 180 #define FU_INIT_LBA_MSB 0x40 181 #define FU_INIT_LBA_EACH 0x80 182 #define FU_INIT_SI 0x20 183 u_int8_t pattern_type; 184 #define FU_INIT_PAT_DEFAULT 0x00 185 #define FU_INIT_PAT_REPEAT 0x01 186 u_int8_t pat_length[2]; 187 }; 188 189 struct scsi_read_format_capacities 190 { 191 uint8_t opcode; /* READ_FORMAT_CAPACITIES */ 192 uint8_t byte2; 193 #define SRFC_LUN_MASK 0xE0 194 uint8_t reserved0[5]; 195 uint8_t alloc_length[2]; 196 uint8_t reserved1[3]; 197 }; 198 199 struct scsi_verify 200 { 201 uint8_t opcode; /* VERIFY */ 202 uint8_t byte2; 203 #define SVFY_LUN_MASK 0xE0 204 #define SVFY_RELADR 0x01 205 #define SVFY_BYTECHK 0x02 206 #define SVFY_DPO 0x10 207 uint8_t addr[4]; /* LBA to begin verification at */ 208 uint8_t reserved0[1]; 209 uint8_t len[2]; /* number of blocks to verify */ 210 uint8_t reserved1[3]; 211 }; 212 213 struct scsi_write_and_verify 214 { 215 uint8_t opcode; /* WRITE_AND_VERIFY */ 216 uint8_t byte2; 217 #define SWVY_LUN_MASK 0xE0 218 #define SWVY_RELADR 0x01 219 #define SWVY_BYTECHK 0x02 220 #define SWVY_DPO 0x10 221 uint8_t addr[4]; /* LBA to begin verification at */ 222 uint8_t reserved0[1]; 223 uint8_t len[2]; /* number of blocks to write and verify */ 224 uint8_t reserved1[3]; 225 }; 226 227 /* 228 * Replies to READ_FORMAT_CAPACITIES look like this: 229 * 230 * struct format_capacity_list_header 231 * struct format_capacity_descriptor[1..n] 232 * 233 * These are similar, but not totally identical to, the 234 * defect list used to format a rigid disk. 235 * 236 * The appropriate csio_decode() format string looks like this: 237 * "{} *i3 {Len} i1 {Blocks} i4 {} *b6 {Code} b2 {Blocklen} i3" 238 * 239 * If the capacity_list_length is greater than 240 * sizeof(struct format_capacity_descriptor), then there are 241 * additional format capacity descriptors available which 242 * denote which format(s) the drive can handle. 243 * 244 * (Source: USB Mass Storage UFI Specification) 245 */ 246 247 struct format_capacity_list_header { 248 uint8_t unused[3]; 249 uint8_t capacity_list_length; 250 }; 251 252 struct format_capacity_descriptor { 253 uint8_t nblocks[4]; /* total number of LBAs */ 254 uint8_t byte4; /* only present in max/cur descriptor */ 255 #define FCD_CODE_MASK 0x03 /* mask for code field above */ 256 #define FCD_UNFORMATTED 0x01 /* unformatted media present, 257 * maximum capacity returned */ 258 #define FCD_FORMATTED 0x02 /* formatted media present, 259 * current capacity returned */ 260 #define FCD_NOMEDIA 0x03 /* no media present, 261 * maximum device capacity returned */ 262 uint8_t block_length[3]; /* length of an LBA in bytes */ 263 }; 264 265 struct scsi_reassign_blocks_data 266 { 267 u_int8_t reserved[2]; 268 u_int8_t length[2]; 269 struct { 270 u_int8_t dlbaddr[4]; /* defect logical block address */ 271 } defect_descriptor[1]; 272 }; 273 274 275 /* 276 * This is the list header for the READ DEFECT DATA(10) command above. 277 * It may be a bit wrong to append the 10 at the end of the data structure, 278 * since it's only 4 bytes but it does tie it to the 10 byte command. 279 */ 280 struct scsi_read_defect_data_hdr_10 281 { 282 u_int8_t reserved; 283 #define SRDDH10_GLIST 0x08 284 #define SRDDH10_PLIST 0x10 285 #define SRDDH10_DLIST_FORMAT_MASK 0x07 286 #define SRDDH10_BLOCK_FORMAT 0x00 287 #define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04 288 #define SRDDH10_PHYSICAL_SECTOR_FORMAT 0x05 289 u_int8_t format; 290 u_int8_t length[2]; 291 }; 292 293 struct scsi_defect_desc_block 294 { 295 u_int8_t address[4]; 296 }; 297 298 struct scsi_defect_desc_bytes_from_index 299 { 300 u_int8_t cylinder[3]; 301 u_int8_t head; 302 u_int8_t bytes_from_index[4]; 303 }; 304 305 struct scsi_defect_desc_phys_sector 306 { 307 u_int8_t cylinder[3]; 308 u_int8_t head; 309 u_int8_t sector[4]; 310 }; 311 312 struct scsi_read_defect_data_hdr_12 313 { 314 u_int8_t reserved; 315 #define SRDDH12_GLIST 0x08 316 #define SRDDH12_PLIST 0x10 317 #define SRDDH12_DLIST_FORMAT_MASK 0x07 318 #define SRDDH12_BLOCK_FORMAT 0x00 319 #define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04 320 #define SRDDH12_PHYSICAL_SECTOR_FORMAT 0x05 321 u_int8_t format; 322 u_int8_t length[4]; 323 }; 324 325 union disk_pages /* this is the structure copied from osf */ 326 { 327 struct format_device_page { 328 u_int8_t pg_code; /* page code (should be 3) */ 329 #define SMS_FORMAT_DEVICE_PAGE 0x03 /* only 6 bits valid */ 330 u_int8_t pg_length; /* page length (should be 0x16) */ 331 #define SMS_FORMAT_DEVICE_PLEN 0x16 332 u_int8_t trk_z_1; /* tracks per zone (MSB) */ 333 u_int8_t trk_z_0; /* tracks per zone (LSB) */ 334 u_int8_t alt_sec_1; /* alternate sectors per zone (MSB) */ 335 u_int8_t alt_sec_0; /* alternate sectors per zone (LSB) */ 336 u_int8_t alt_trk_z_1; /* alternate tracks per zone (MSB) */ 337 u_int8_t alt_trk_z_0; /* alternate tracks per zone (LSB) */ 338 u_int8_t alt_trk_v_1; /* alternate tracks per volume (MSB) */ 339 u_int8_t alt_trk_v_0; /* alternate tracks per volume (LSB) */ 340 u_int8_t ph_sec_t_1; /* physical sectors per track (MSB) */ 341 u_int8_t ph_sec_t_0; /* physical sectors per track (LSB) */ 342 u_int8_t bytes_s_1; /* bytes per sector (MSB) */ 343 u_int8_t bytes_s_0; /* bytes per sector (LSB) */ 344 u_int8_t interleave_1; /* interleave (MSB) */ 345 u_int8_t interleave_0; /* interleave (LSB) */ 346 u_int8_t trk_skew_1; /* track skew factor (MSB) */ 347 u_int8_t trk_skew_0; /* track skew factor (LSB) */ 348 u_int8_t cyl_skew_1; /* cylinder skew (MSB) */ 349 u_int8_t cyl_skew_0; /* cylinder skew (LSB) */ 350 u_int8_t flags; /* various */ 351 #define DISK_FMT_SURF 0x10 352 #define DISK_FMT_RMB 0x20 353 #define DISK_FMT_HSEC 0x40 354 #define DISK_FMT_SSEC 0x80 355 u_int8_t reserved21; 356 u_int8_t reserved22; 357 u_int8_t reserved23; 358 } format_device; 359 struct rigid_geometry_page { 360 u_int8_t pg_code; /* page code (should be 4) */ 361 #define SMS_RIGID_GEOMETRY_PAGE 0x04 362 u_int8_t pg_length; /* page length (should be 0x16) */ 363 #define SMS_RIGID_GEOMETRY_PLEN 0x16 364 u_int8_t ncyl_2; /* number of cylinders (MSB) */ 365 u_int8_t ncyl_1; /* number of cylinders */ 366 u_int8_t ncyl_0; /* number of cylinders (LSB) */ 367 u_int8_t nheads; /* number of heads */ 368 u_int8_t st_cyl_wp_2; /* starting cyl., write precomp (MSB) */ 369 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp */ 370 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */ 371 u_int8_t st_cyl_rwc_2; /* starting cyl., red. write cur (MSB)*/ 372 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur */ 373 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/ 374 u_int8_t driv_step_1; /* drive step rate (MSB) */ 375 u_int8_t driv_step_0; /* drive step rate (LSB) */ 376 u_int8_t land_zone_2; /* landing zone cylinder (MSB) */ 377 u_int8_t land_zone_1; /* landing zone cylinder */ 378 u_int8_t land_zone_0; /* landing zone cylinder (LSB) */ 379 u_int8_t rpl; /* rotational position locking (2 bits) */ 380 u_int8_t rot_offset; /* rotational offset */ 381 u_int8_t reserved19; 382 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */ 383 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */ 384 u_int8_t reserved22; 385 u_int8_t reserved23; 386 } rigid_geometry; 387 struct flexible_disk_page { 388 u_int8_t pg_code; /* page code (should be 5) */ 389 #define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05 390 u_int8_t pg_length; /* page length (should be 0x1E) */ 391 #define SMS_FLEXIBLE_GEOMETRY_PLEN 0x1E 392 u_int8_t xfr_rate_1; /* transfer rate (MSB) */ 393 u_int8_t xfr_rate_0; /* transfer rate (LSB) */ 394 u_int8_t nheads; /* number of heads */ 395 u_int8_t sec_per_track; /* Sectors per track */ 396 u_int8_t bytes_s_1; /* bytes per sector (MSB) */ 397 u_int8_t bytes_s_0; /* bytes per sector (LSB) */ 398 u_int8_t ncyl_1; /* number of cylinders (MSB) */ 399 u_int8_t ncyl_0; /* number of cylinders (LSB) */ 400 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp (MSB) */ 401 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */ 402 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur (MSB)*/ 403 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/ 404 u_int8_t driv_step_1; /* drive step rate (MSB) */ 405 u_int8_t driv_step_0; /* drive step rate (LSB) */ 406 u_int8_t driv_step_pw; /* drive step pulse width */ 407 u_int8_t head_stl_del_1;/* Head settle delay (MSB) */ 408 u_int8_t head_stl_del_0;/* Head settle delay (LSB) */ 409 u_int8_t motor_on_del; /* Motor on delay */ 410 u_int8_t motor_off_del; /* Motor off delay */ 411 u_int8_t trdy_ssn_mo; /* XXX ??? */ 412 u_int8_t spc; /* XXX ??? */ 413 u_int8_t write_comp; /* Write compensation */ 414 u_int8_t head_load_del; /* Head load delay */ 415 u_int8_t head_uload_del;/* Head un-load delay */ 416 u_int8_t pin32_pin2; 417 u_int8_t pin4_pint1; 418 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */ 419 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */ 420 u_int8_t reserved30; 421 u_int8_t reserved31; 422 } flexible_disk; 423 }; 424 425 struct scsi_da_rw_recovery_page { 426 u_int8_t page_code; 427 #define SMS_RW_ERROR_RECOVERY_PAGE 0x01 428 u_int8_t page_length; 429 u_int8_t byte3; 430 #define SMS_RWER_AWRE 0x80 431 #define SMS_RWER_ARRE 0x40 432 #define SMS_RWER_TB 0x20 433 #define SMS_RWER_RC 0x10 434 #define SMS_RWER_EER 0x08 435 #define SMS_RWER_PER 0x04 436 #define SMS_RWER_DTE 0x02 437 #define SMS_RWER_DCR 0x01 438 u_int8_t read_retry_count; 439 u_int8_t correction_span; 440 u_int8_t head_offset_count; 441 u_int8_t data_strobe_offset_cnt; 442 u_int8_t reserved; 443 u_int8_t write_retry_count; 444 u_int8_t reserved2; 445 u_int8_t recovery_time_limit[2]; 446 }; 447 448 __BEGIN_DECLS 449 /* 450 * XXX This is only left out of the kernel build to silence warnings. If, 451 * for some reason this function is used in the kernel, the ifdefs should 452 * be moved so it is included both in the kernel and userland. 453 */ 454 #ifndef _KERNEL 455 void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 456 void (*cbfcnp)(struct cam_periph *, union ccb *), 457 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 458 u_int8_t *data_ptr, u_int32_t dxfer_len, 459 u_int8_t sense_len, u_int32_t timeout); 460 461 #endif /* !_KERNEL */ 462 __END_DECLS 463 464 #endif /* _SCSI_SCSI_DA_H */ 465