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 * $Id$ 50 */ 51 52 #ifndef _SCSI_SCSI_DA_H 53 #define _SCSI_SCSI_DA_H 1 54 55 #include <sys/cdefs.h> 56 57 struct scsi_rezero_unit 58 { 59 u_int8_t opcode; 60 #define SRZU_LUN_MASK 0xE0 61 u_int8_t byte2; 62 u_int8_t reserved[3]; 63 u_int8_t control; 64 }; 65 66 struct scsi_reassign_blocks 67 { 68 u_int8_t opcode; 69 u_int8_t byte2; 70 u_int8_t unused[3]; 71 u_int8_t control; 72 }; 73 74 struct scsi_rw_6 75 { 76 u_int8_t opcode; 77 u_int8_t addr[3]; 78 /* only 5 bits are valid in the MSB address byte */ 79 #define SRW_TOPADDR 0x1F 80 u_int8_t length; 81 u_int8_t control; 82 }; 83 84 struct scsi_rw_10 85 { 86 u_int8_t opcode; 87 #define SRW10_RELADDR 0x01 88 #define SRW10_FUA 0x08 89 #define SRW10_DPO 0x10 90 u_int8_t byte2; 91 u_int8_t addr[4]; 92 u_int8_t reserved; 93 u_int8_t length[2]; 94 u_int8_t control; 95 }; 96 97 struct scsi_rw_12 98 { 99 u_int8_t opcode; 100 #define SRW12_RELADDR 0x01 101 #define SRW12_FUA 0x08 102 #define SRW12_DPO 0x10 103 u_int8_t byte2; 104 u_int8_t addr[4]; 105 u_int8_t reserved; 106 u_int8_t length[4]; 107 u_int8_t control; 108 }; 109 110 struct scsi_start_stop_unit 111 { 112 u_int8_t opcode; 113 u_int8_t byte2; 114 #define SSS_IMMED 0x01 115 u_int8_t reserved[2]; 116 u_int8_t how; 117 #define SSS_START 0x01 118 #define SSS_LOEJ 0x02 119 u_int8_t control; 120 }; 121 122 struct scsi_read_defect_data_10 123 { 124 u_int8_t opcode; 125 126 /* 127 * The most significant 3 bits are the LUN, the other 5 are 128 * reserved. 129 */ 130 #define SRDD10_LUN_MASK 0xE0 131 u_int8_t byte2; 132 #define SRDD10_GLIST 0x08 133 #define SRDD10_PLIST 0x10 134 #define SRDD10_DLIST_FORMAT_MASK 0x07 135 #define SRDD10_BLOCK_FORMAT 0x00 136 #define SRDD10_BYTES_FROM_INDEX_FORMAT 0x04 137 #define SRDD10_PHYSICAL_SECTOR_FORMAT 0x05 138 u_int8_t format; 139 140 u_int8_t reserved[4]; 141 142 u_int8_t alloc_length[2]; 143 144 u_int8_t control; 145 }; 146 147 struct scsi_read_defect_data_12 148 { 149 u_int8_t opcode; 150 151 /* 152 * The most significant 3 bits are the LUN, the other 5 are 153 * reserved. 154 */ 155 #define SRDD12_LUN_MASK 0xE0 156 u_int8_t byte2; 157 158 #define SRDD12_GLIST 0x08 159 #define SRDD12_PLIST 0x10 160 #define SRDD12_DLIST_FORMAT_MASK 0x07 161 #define SRDD12_BLOCK_FORMAT 0x00 162 #define SRDD12_BYTES_FROM_INDEX_FORMAT 0x04 163 #define SRDD12_PHYSICAL_SECTOR_FORMAT 0x05 164 u_int8_t format; 165 166 u_int8_t reserved[4]; 167 168 u_int8_t alloc_length[4]; 169 170 u_int8_t control; 171 172 }; 173 174 175 /* 176 * Opcodes 177 */ 178 #define REZERO_UNIT 0x01 179 #define REASSIGN_BLOCKS 0x07 180 #define READ_6 0x08 181 #define WRITE_6 0x0a 182 #define MODE_SELECT 0x15 183 #define MODE_SENSE 0x1a 184 #define START_STOP_UNIT 0x1b 185 #define READ_10 0x28 186 #define WRITE_10 0x2a 187 #define READ_DEFECT_DATA_10 0x37 188 #define READ_12 0xa8 189 #define WRITE_12 0xaa 190 #define READ_DEFECT_DATA_12 0xb7 191 192 193 struct scsi_reassign_blocks_data 194 { 195 u_int8_t reserved[2]; 196 u_int8_t length[2]; 197 struct { 198 u_int8_t dlbaddr[4]; /* defect logical block address */ 199 } defect_descriptor[1]; 200 }; 201 202 203 /* 204 * This is the list header for the READ DEFECT DATA(10) command above. 205 * It may be a bit wrong to append the 10 at the end of the data structure, 206 * since it's only 4 bytes but it does tie it to the 10 byte command. 207 */ 208 struct scsi_read_defect_data_hdr_10 209 { 210 u_int8_t reserved; 211 #define SRDDH10_GLIST 0x08 212 #define SRDDH10_PLIST 0x10 213 #define SRDDH10_DLIST_FORMAT_MASK 0x07 214 #define SRDDH10_BLOCK_FORMAT 0x00 215 #define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04 216 #define SRDDH10_PHYSICAL_SECTOR_FORMAT 0x05 217 u_int8_t format; 218 u_int8_t length[2]; 219 }; 220 221 struct scsi_defect_desc_block 222 { 223 u_int8_t address[4]; 224 }; 225 226 struct scsi_defect_desc_bytes_from_index 227 { 228 u_int8_t cylinder[3]; 229 u_int8_t head; 230 u_int8_t bytes_from_index[4]; 231 }; 232 233 struct scsi_defect_desc_phys_sector 234 { 235 u_int8_t cylinder[3]; 236 u_int8_t head; 237 u_int8_t sector[4]; 238 }; 239 240 struct scsi_read_defect_data_hdr_12 241 { 242 u_int8_t reserved; 243 #define SRDDH12_GLIST 0x08 244 #define SRDDH12_PLIST 0x10 245 #define SRDDH12_DLIST_FORMAT_MASK 0x07 246 #define SRDDH12_BLOCK_FORMAT 0x00 247 #define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04 248 #define SRDDH12_PHYSICAL_SECTOR_FORMAT 0x05 249 u_int8_t format; 250 u_int8_t length[4]; 251 }; 252 253 union disk_pages /* this is the structure copied from osf */ 254 { 255 struct format_device_page { 256 u_int8_t pg_code; /* page code (should be 3) */ 257 #define SMS_FORMAT_DEVICE_PAGE 0x03 /* only 6 bits valid */ 258 u_int8_t pg_length; /* page length (should be 0x16) */ 259 #define SMS_FORMAT_DEVICE_PLEN 0x16 260 u_int8_t trk_z_1; /* tracks per zone (MSB) */ 261 u_int8_t trk_z_0; /* tracks per zone (LSB) */ 262 u_int8_t alt_sec_1; /* alternate sectors per zone (MSB) */ 263 u_int8_t alt_sec_0; /* alternate sectors per zone (LSB) */ 264 u_int8_t alt_trk_z_1; /* alternate tracks per zone (MSB) */ 265 u_int8_t alt_trk_z_0; /* alternate tracks per zone (LSB) */ 266 u_int8_t alt_trk_v_1; /* alternate tracks per volume (MSB) */ 267 u_int8_t alt_trk_v_0; /* alternate tracks per volume (LSB) */ 268 u_int8_t ph_sec_t_1; /* physical sectors per track (MSB) */ 269 u_int8_t ph_sec_t_0; /* physical sectors per track (LSB) */ 270 u_int8_t bytes_s_1; /* bytes per sector (MSB) */ 271 u_int8_t bytes_s_0; /* bytes per sector (LSB) */ 272 u_int8_t interleave_1; /* interleave (MSB) */ 273 u_int8_t interleave_0; /* interleave (LSB) */ 274 u_int8_t trk_skew_1; /* track skew factor (MSB) */ 275 u_int8_t trk_skew_0; /* track skew factor (LSB) */ 276 u_int8_t cyl_skew_1; /* cylinder skew (MSB) */ 277 u_int8_t cyl_skew_0; /* cylinder skew (LSB) */ 278 u_int8_t flags; /* various */ 279 #define DISK_FMT_SURF 0x10 280 #define DISK_FMT_RMB 0x20 281 #define DISK_FMT_HSEC 0x40 282 #define DISK_FMT_SSEC 0x80 283 u_int8_t reserved21; 284 u_int8_t reserved22; 285 u_int8_t reserved23; 286 } format_device; 287 struct rigid_geometry_page { 288 u_int8_t pg_code; /* page code (should be 4) */ 289 #define SMS_RIGID_GEOMETRY_PAGE 0x04 290 u_int8_t pg_length; /* page length (should be 0x16) */ 291 #define SMS_RIGID_GEOMETRY_PLEN 0x16 292 u_int8_t ncyl_2; /* number of cylinders (MSB) */ 293 u_int8_t ncyl_1; /* number of cylinders */ 294 u_int8_t ncyl_0; /* number of cylinders (LSB) */ 295 u_int8_t nheads; /* number of heads */ 296 u_int8_t st_cyl_wp_2; /* starting cyl., write precomp (MSB) */ 297 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp */ 298 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */ 299 u_int8_t st_cyl_rwc_2; /* starting cyl., red. write cur (MSB)*/ 300 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur */ 301 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/ 302 u_int8_t driv_step_1; /* drive step rate (MSB) */ 303 u_int8_t driv_step_0; /* drive step rate (LSB) */ 304 u_int8_t land_zone_2; /* landing zone cylinder (MSB) */ 305 u_int8_t land_zone_1; /* landing zone cylinder */ 306 u_int8_t land_zone_0; /* landing zone cylinder (LSB) */ 307 u_int8_t rpl; /* rotational position locking (2 bits) */ 308 u_int8_t rot_offset; /* rotational offset */ 309 u_int8_t reserved19; 310 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */ 311 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */ 312 u_int8_t reserved22; 313 u_int8_t reserved23; 314 } rigid_geometry; 315 struct flexible_disk_page { 316 u_int8_t pg_code; /* page code (should be 5) */ 317 #define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05 318 u_int8_t pg_length; /* page length (should be 0x1E) */ 319 #define SMS_FLEXIBLE_GEOMETRY_PLEN 0x0x1E 320 u_int8_t xfr_rate_1; /* transfer rate (MSB) */ 321 u_int8_t xfr_rate_0; /* transfer rate (LSB) */ 322 u_int8_t nheads; /* number of heads */ 323 u_int8_t sec_per_track; /* Sectors per track */ 324 u_int8_t bytes_s_1; /* bytes per sector (MSB) */ 325 u_int8_t bytes_s_0; /* bytes per sector (LSB) */ 326 u_int8_t ncyl_1; /* number of cylinders (MSB) */ 327 u_int8_t ncyl_0; /* number of cylinders (LSB) */ 328 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp (MSB) */ 329 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */ 330 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur (MSB)*/ 331 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/ 332 u_int8_t driv_step_1; /* drive step rate (MSB) */ 333 u_int8_t driv_step_0; /* drive step rate (LSB) */ 334 u_int8_t driv_step_pw; /* drive step pulse width */ 335 u_int8_t head_stl_del_1;/* Head settle delay (MSB) */ 336 u_int8_t head_stl_del_0;/* Head settle delay (LSB) */ 337 u_int8_t motor_on_del; /* Motor on delay */ 338 u_int8_t motor_off_del; /* Motor off delay */ 339 u_int8_t trdy_ssn_mo; /* XXX ??? */ 340 u_int8_t spc; /* XXX ??? */ 341 u_int8_t write_comp; /* Write compensation */ 342 u_int8_t head_load_del; /* Head load delay */ 343 u_int8_t head_uload_del;/* Head un-load delay */ 344 u_int8_t pin32_pin2; 345 u_int8_t pin4_pint1; 346 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */ 347 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */ 348 u_int8_t reserved30; 349 u_int8_t reserved31; 350 } flexible_disk; 351 }; 352 353 struct scsi_da_rw_recovery_page { 354 u_int8_t page_code; 355 #define SMS_RW_ERROR_RECOVERY_PAGE 0x01 356 u_int8_t page_length; 357 u_int8_t byte3; 358 #define SMS_RWER_AWRE 0x80 359 #define SMS_RWER_ARRE 0x40 360 #define SMS_RWER_TB 0x20 361 #define SMS_RWER_RC 0x10 362 #define SMS_RWER_EER 0x08 363 #define SMS_RWER_PER 0x04 364 #define SMS_RWER_DTE 0x02 365 #define SMS_RWER_DCR 0x01 366 u_int8_t read_retry_count; 367 u_int8_t correction_span; 368 u_int8_t head_offset_count; 369 u_int8_t data_strobe_offset_cnt; 370 u_int8_t reserved; 371 u_int8_t write_retry_count; 372 u_int8_t reserved2; 373 u_int8_t recovery_time_limit[2]; 374 }; 375 376 __BEGIN_DECLS 377 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries, 378 void (*cbfcnp)(struct cam_periph *, union ccb *), 379 u_int8_t tag_action, int readop, u_int8_t byte2, 380 int minimum_cmd_size, u_int32_t lba, 381 u_int32_t block_count, u_int8_t *data_ptr, 382 u_int32_t dxfer_len, u_int8_t sense_len, 383 u_int32_t timeout); 384 385 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries, 386 void (*cbfcnp)(struct cam_periph *, union ccb *), 387 u_int8_t tag_action, int start, int load_eject, 388 int immediate, u_int8_t sense_len, u_int32_t timeout); 389 __END_DECLS 390 391 #endif /* _SCSI_SCSI_DA_H */ 392