Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_da.h
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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 * $FreeBSD$ 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_read_defect_data_10 75 { 76 u_int8_t opcode; 77 78 /* 79 * The most significant 3 bits are the LUN, the other 5 are 80 * reserved. 81 */ 82 #define SRDD10_LUN_MASK 0xE0 83 u_int8_t byte2; 84 #define SRDD10_GLIST 0x08 85 #define SRDD10_PLIST 0x10 86 #define SRDD10_DLIST_FORMAT_MASK 0x07 87 #define SRDD10_BLOCK_FORMAT 0x00 88 #define SRDD10_BYTES_FROM_INDEX_FORMAT 0x04 89 #define SRDD10_PHYSICAL_SECTOR_FORMAT 0x05 90 u_int8_t format; 91 92 u_int8_t reserved[4]; 93 94 u_int8_t alloc_length[2]; 95 96 u_int8_t control; 97 }; 98 99 struct scsi_read_defect_data_12 100 { 101 u_int8_t opcode; 102 103 /* 104 * The most significant 3 bits are the LUN, the other 5 are 105 * reserved. 106 */ 107 #define SRDD12_LUN_MASK 0xE0 108 u_int8_t byte2; 109 110 #define SRDD12_GLIST 0x08 111 #define SRDD12_PLIST 0x10 112 #define SRDD12_DLIST_FORMAT_MASK 0x07 113 #define SRDD12_BLOCK_FORMAT 0x00 114 #define SRDD12_BYTES_FROM_INDEX_FORMAT 0x04 115 #define SRDD12_PHYSICAL_SECTOR_FORMAT 0x05 116 u_int8_t format; 117 118 u_int8_t reserved[4]; 119 120 u_int8_t alloc_length[4]; 121 122 u_int8_t control; 123 124 }; 125 126 127 /* 128 * Opcodes 129 */ 130 #define REZERO_UNIT 0x01 131 #define REASSIGN_BLOCKS 0x07 132 #define MODE_SELECT 0x15 133 #define MODE_SENSE 0x1a 134 #define READ_DEFECT_DATA_10 0x37 135 #define READ_DEFECT_DATA_12 0xb7 136 137 138 struct scsi_reassign_blocks_data 139 { 140 u_int8_t reserved[2]; 141 u_int8_t length[2]; 142 struct { 143 u_int8_t dlbaddr[4]; /* defect logical block address */ 144 } defect_descriptor[1]; 145 }; 146 147 148 /* 149 * This is the list header for the READ DEFECT DATA(10) command above. 150 * It may be a bit wrong to append the 10 at the end of the data structure, 151 * since it's only 4 bytes but it does tie it to the 10 byte command. 152 */ 153 struct scsi_read_defect_data_hdr_10 154 { 155 u_int8_t reserved; 156 #define SRDDH10_GLIST 0x08 157 #define SRDDH10_PLIST 0x10 158 #define SRDDH10_DLIST_FORMAT_MASK 0x07 159 #define SRDDH10_BLOCK_FORMAT 0x00 160 #define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04 161 #define SRDDH10_PHYSICAL_SECTOR_FORMAT 0x05 162 u_int8_t format; 163 u_int8_t length[2]; 164 }; 165 166 struct scsi_defect_desc_block 167 { 168 u_int8_t address[4]; 169 }; 170 171 struct scsi_defect_desc_bytes_from_index 172 { 173 u_int8_t cylinder[3]; 174 u_int8_t head; 175 u_int8_t bytes_from_index[4]; 176 }; 177 178 struct scsi_defect_desc_phys_sector 179 { 180 u_int8_t cylinder[3]; 181 u_int8_t head; 182 u_int8_t sector[4]; 183 }; 184 185 struct scsi_read_defect_data_hdr_12 186 { 187 u_int8_t reserved; 188 #define SRDDH12_GLIST 0x08 189 #define SRDDH12_PLIST 0x10 190 #define SRDDH12_DLIST_FORMAT_MASK 0x07 191 #define SRDDH12_BLOCK_FORMAT 0x00 192 #define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04 193 #define SRDDH12_PHYSICAL_SECTOR_FORMAT 0x05 194 u_int8_t format; 195 u_int8_t length[4]; 196 }; 197 198 union disk_pages /* this is the structure copied from osf */ 199 { 200 struct format_device_page { 201 u_int8_t pg_code; /* page code (should be 3) */ 202 #define SMS_FORMAT_DEVICE_PAGE 0x03 /* only 6 bits valid */ 203 u_int8_t pg_length; /* page length (should be 0x16) */ 204 #define SMS_FORMAT_DEVICE_PLEN 0x16 205 u_int8_t trk_z_1; /* tracks per zone (MSB) */ 206 u_int8_t trk_z_0; /* tracks per zone (LSB) */ 207 u_int8_t alt_sec_1; /* alternate sectors per zone (MSB) */ 208 u_int8_t alt_sec_0; /* alternate sectors per zone (LSB) */ 209 u_int8_t alt_trk_z_1; /* alternate tracks per zone (MSB) */ 210 u_int8_t alt_trk_z_0; /* alternate tracks per zone (LSB) */ 211 u_int8_t alt_trk_v_1; /* alternate tracks per volume (MSB) */ 212 u_int8_t alt_trk_v_0; /* alternate tracks per volume (LSB) */ 213 u_int8_t ph_sec_t_1; /* physical sectors per track (MSB) */ 214 u_int8_t ph_sec_t_0; /* physical sectors per track (LSB) */ 215 u_int8_t bytes_s_1; /* bytes per sector (MSB) */ 216 u_int8_t bytes_s_0; /* bytes per sector (LSB) */ 217 u_int8_t interleave_1; /* interleave (MSB) */ 218 u_int8_t interleave_0; /* interleave (LSB) */ 219 u_int8_t trk_skew_1; /* track skew factor (MSB) */ 220 u_int8_t trk_skew_0; /* track skew factor (LSB) */ 221 u_int8_t cyl_skew_1; /* cylinder skew (MSB) */ 222 u_int8_t cyl_skew_0; /* cylinder skew (LSB) */ 223 u_int8_t flags; /* various */ 224 #define DISK_FMT_SURF 0x10 225 #define DISK_FMT_RMB 0x20 226 #define DISK_FMT_HSEC 0x40 227 #define DISK_FMT_SSEC 0x80 228 u_int8_t reserved21; 229 u_int8_t reserved22; 230 u_int8_t reserved23; 231 } format_device; 232 struct rigid_geometry_page { 233 u_int8_t pg_code; /* page code (should be 4) */ 234 #define SMS_RIGID_GEOMETRY_PAGE 0x04 235 u_int8_t pg_length; /* page length (should be 0x16) */ 236 #define SMS_RIGID_GEOMETRY_PLEN 0x16 237 u_int8_t ncyl_2; /* number of cylinders (MSB) */ 238 u_int8_t ncyl_1; /* number of cylinders */ 239 u_int8_t ncyl_0; /* number of cylinders (LSB) */ 240 u_int8_t nheads; /* number of heads */ 241 u_int8_t st_cyl_wp_2; /* starting cyl., write precomp (MSB) */ 242 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp */ 243 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */ 244 u_int8_t st_cyl_rwc_2; /* starting cyl., red. write cur (MSB)*/ 245 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur */ 246 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/ 247 u_int8_t driv_step_1; /* drive step rate (MSB) */ 248 u_int8_t driv_step_0; /* drive step rate (LSB) */ 249 u_int8_t land_zone_2; /* landing zone cylinder (MSB) */ 250 u_int8_t land_zone_1; /* landing zone cylinder */ 251 u_int8_t land_zone_0; /* landing zone cylinder (LSB) */ 252 u_int8_t rpl; /* rotational position locking (2 bits) */ 253 u_int8_t rot_offset; /* rotational offset */ 254 u_int8_t reserved19; 255 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */ 256 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */ 257 u_int8_t reserved22; 258 u_int8_t reserved23; 259 } rigid_geometry; 260 struct flexible_disk_page { 261 u_int8_t pg_code; /* page code (should be 5) */ 262 #define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05 263 u_int8_t pg_length; /* page length (should be 0x1E) */ 264 #define SMS_FLEXIBLE_GEOMETRY_PLEN 0x0x1E 265 u_int8_t xfr_rate_1; /* transfer rate (MSB) */ 266 u_int8_t xfr_rate_0; /* transfer rate (LSB) */ 267 u_int8_t nheads; /* number of heads */ 268 u_int8_t sec_per_track; /* Sectors per track */ 269 u_int8_t bytes_s_1; /* bytes per sector (MSB) */ 270 u_int8_t bytes_s_0; /* bytes per sector (LSB) */ 271 u_int8_t ncyl_1; /* number of cylinders (MSB) */ 272 u_int8_t ncyl_0; /* number of cylinders (LSB) */ 273 u_int8_t st_cyl_wp_1; /* starting cyl., write precomp (MSB) */ 274 u_int8_t st_cyl_wp_0; /* starting cyl., write precomp (LSB) */ 275 u_int8_t st_cyl_rwc_1; /* starting cyl., red. write cur (MSB)*/ 276 u_int8_t st_cyl_rwc_0; /* starting cyl., red. write cur (LSB)*/ 277 u_int8_t driv_step_1; /* drive step rate (MSB) */ 278 u_int8_t driv_step_0; /* drive step rate (LSB) */ 279 u_int8_t driv_step_pw; /* drive step pulse width */ 280 u_int8_t head_stl_del_1;/* Head settle delay (MSB) */ 281 u_int8_t head_stl_del_0;/* Head settle delay (LSB) */ 282 u_int8_t motor_on_del; /* Motor on delay */ 283 u_int8_t motor_off_del; /* Motor off delay */ 284 u_int8_t trdy_ssn_mo; /* XXX ??? */ 285 u_int8_t spc; /* XXX ??? */ 286 u_int8_t write_comp; /* Write compensation */ 287 u_int8_t head_load_del; /* Head load delay */ 288 u_int8_t head_uload_del;/* Head un-load delay */ 289 u_int8_t pin32_pin2; 290 u_int8_t pin4_pint1; 291 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */ 292 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */ 293 u_int8_t reserved30; 294 u_int8_t reserved31; 295 } flexible_disk; 296 }; 297 298 struct scsi_da_rw_recovery_page { 299 u_int8_t page_code; 300 #define SMS_RW_ERROR_RECOVERY_PAGE 0x01 301 u_int8_t page_length; 302 u_int8_t byte3; 303 #define SMS_RWER_AWRE 0x80 304 #define SMS_RWER_ARRE 0x40 305 #define SMS_RWER_TB 0x20 306 #define SMS_RWER_RC 0x10 307 #define SMS_RWER_EER 0x08 308 #define SMS_RWER_PER 0x04 309 #define SMS_RWER_DTE 0x02 310 #define SMS_RWER_DCR 0x01 311 u_int8_t read_retry_count; 312 u_int8_t correction_span; 313 u_int8_t head_offset_count; 314 u_int8_t data_strobe_offset_cnt; 315 u_int8_t reserved; 316 u_int8_t write_retry_count; 317 u_int8_t reserved2; 318 u_int8_t recovery_time_limit[2]; 319 }; 320 321 #endif /* _SCSI_SCSI_DA_H */
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