1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2015 OmniTI Computer Consulting, Inc. All rights reserved. 24 * Copyright (c) 2018, Joyent, Inc. 25 * Copyright 2025 Oxide Computer Company 26 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 /* 31 * This header file defines the implementation structures for the SMBIOS access 32 * library, libsmbios, and an equivalent kernel module. Clients should use 33 * the <smbios.h> or <sys/smbios.h> header files to access DMTF SMBIOS 34 * information, NOT these underlying implementation structures from the spec. 35 * In short, do not user this header file or these routines for any purpose. 36 */ 37 38 #ifndef _SYS_SMBIOS_IMPL_H 39 #define _SYS_SMBIOS_IMPL_H 40 41 #include <sys/smbios.h> 42 #include <sys/sysmacros.h> 43 44 #ifdef _KERNEL 45 #include <sys/systm.h> 46 #else 47 #include <strings.h> 48 #include <stddef.h> 49 #endif 50 51 #ifdef __cplusplus 52 extern "C" { 53 #endif 54 55 /* 56 * Definitions required to interpret the BIOS type information. 57 */ 58 #define SMB_BIOSXB_EXTROM 6 59 60 #define SMB_BIOS_EXTROM_VALUE_MASK(x) ((x) & 0x3fff) 61 #define SMB_BIOS_EXTROM_SHIFT_MASK(x) (((x) & 0xc000) >> 14) 62 63 #pragma pack(1) 64 65 typedef struct smb_header { 66 uint8_t smbh_type; /* structure type (SMB_TYPE_* value) */ 67 uint8_t smbh_len; /* length in bytes of formatted area */ 68 uint16_t smbh_hdl; /* structure handle */ 69 } smb_header_t; 70 71 /* 72 * SMBIOS implementation structure for SMB_TYPE_BIOS. 73 */ 74 typedef struct smb_bios { 75 smb_header_t smbbi_hdr; /* structure header */ 76 uint8_t smbbi_vendor; /* bios vendor string */ 77 uint8_t smbbi_version; /* bios version string */ 78 uint16_t smbbi_segment; /* segment location of bios address */ 79 uint8_t smbbi_reldate; /* bios release date */ 80 uint8_t smbbi_romsize; /* bios rom size (64k * (n + 1)) */ 81 uint64_t smbbi_cflags; /* bios characteristics */ 82 uint8_t smbbi_xcflags[1]; /* bios characteristics extensions */ 83 } smb_bios_t; 84 85 /* 86 * SMBIOS implementation structure for SMB_TYPE_SYSTEM. 87 */ 88 typedef struct smb_system { 89 smb_header_t smbsi_hdr; /* structure header */ 90 uint8_t smbsi_manufacturer; /* manufacturer */ 91 uint8_t smbsi_product; /* product name */ 92 uint8_t smbsi_version; /* version */ 93 uint8_t smbsi_serial; /* serial number */ 94 uint8_t smbsi_uuid[16]; /* UUID */ 95 uint8_t smbsi_wakeup; /* wake-up type */ 96 uint8_t smbsi_sku; /* SKU number */ 97 uint8_t smbsi_family; /* family */ 98 } smb_system_t; 99 100 /* 101 * SMBIOS implementation structure for SMB_TYPE_BASEBOARD. 102 */ 103 typedef struct smb_bboard { 104 smb_header_t smbbb_hdr; /* structure header */ 105 uint8_t smbbb_manufacturer; /* manufacturer */ 106 uint8_t smbbb_product; /* product name */ 107 uint8_t smbbb_version; /* version */ 108 uint8_t smbbb_serial; /* serial number */ 109 uint8_t smbbb_asset; /* asset tag */ 110 uint8_t smbbb_flags; /* feature flags */ 111 uint8_t smbbb_location; /* location in chassis */ 112 uint16_t smbbb_chassis; /* chassis handle */ 113 uint8_t smbbb_type; /* board type */ 114 uint8_t smbbb_cn; /* number of contained handles */ 115 uint16_t smbbb_cv[1]; /* array of contained handles */ 116 } smb_bboard_t; 117 118 /* 119 * SMBIOS implementation structure for SMB_TYPE_CHASSIS. 120 */ 121 typedef struct smb_chassis { 122 smb_header_t smbch_hdr; /* structure header */ 123 uint8_t smbch_manufacturer; /* manufacturer */ 124 uint8_t smbch_type; /* type */ 125 uint8_t smbch_version; /* version */ 126 uint8_t smbch_serial; /* serial number */ 127 uint8_t smbch_asset; /* asset tag */ 128 uint8_t smbch_bustate; /* boot-up state */ 129 uint8_t smbch_psstate; /* power supply state */ 130 uint8_t smbch_thstate; /* thermal state */ 131 uint8_t smbch_security; /* security state */ 132 uint32_t smbch_oemdata; /* OEM-specific data */ 133 uint8_t smbch_uheight; /* enclosure height */ 134 uint8_t smbch_cords; /* number of power cords */ 135 uint8_t smbch_cn; /* number of contained records */ 136 uint8_t smbch_cm; /* size of contained records */ 137 uint8_t smbch_cv[]; /* array of contained records */ 138 } smb_chassis_t; 139 140 #define SMB_CHT_LOCK 0x80 /* lock bit within smbch_type */ 141 142 typedef struct smb_chassis_entry { 143 uint8_t smbce_type; /* Containing Element and Type */ 144 uint8_t smbce_min; /* minimum number of elt */ 145 uint8_t smbce_max; /* minimum number of elt */ 146 } smb_chassis_entry_t; 147 148 /* 149 * Bonus information that follows the variable number of elements. 150 */ 151 typedef struct smb_chassis_bonus { 152 uint8_t smbcb_sku; /* chassis SKU, 2.7+ */ 153 uint8_t smbcb_rtype; /* rack type, 3.9+ */ 154 uint8_t smbcb_rheight; /* rack height, 3.9+ */ 155 } smb_chassis_bonus_t; 156 157 #define SMB_CHE_TYPE_IS_SMB(x) (((x) & 0x80) == 0x80) 158 #define SMB_CHE_TYPE_TYPE(x) (((x) & 0x7f)) 159 160 /* 161 * SMBIOS implementation structure for SMB_TYPE_PROCESSOR. 162 */ 163 typedef struct smb_processor { 164 smb_header_t smbpr_hdr; /* structure header */ 165 uint8_t smbpr_socket; /* socket designation */ 166 uint8_t smbpr_type; /* processor type (see <smbios.h>) */ 167 uint8_t smbpr_family; /* processor family (see <smbios.h>) */ 168 uint8_t smbpr_manufacturer; /* manufacturer */ 169 uint64_t smbpr_cpuid; /* processor cpuid information */ 170 uint8_t smbpr_version; /* version */ 171 uint8_t smbpr_voltage; /* voltage */ 172 uint16_t smbpr_clkspeed; /* external clock speed in MHz */ 173 uint16_t smbpr_maxspeed; /* maximum speed in MHz */ 174 uint16_t smbpr_curspeed; /* current speed in MHz */ 175 uint8_t smbpr_status; /* status (see <smbios.h>) */ 176 uint8_t smbpr_upgrade; /* upgrade */ 177 uint16_t smbpr_l1cache; /* L1 cache handle (if any) */ 178 uint16_t smbpr_l2cache; /* L2 cache handle (if any) */ 179 uint16_t smbpr_l3cache; /* L3 cache handle (if any) */ 180 uint8_t smbpr_serial; /* serial number */ 181 uint8_t smbpr_asset; /* asset tag */ 182 uint8_t smbpr_part; /* part number */ 183 uint8_t smbpr_corecount; /* number of cores per socket */ 184 uint8_t smbpr_coresenabled; /* number of enabled cores per socket */ 185 uint8_t smbpr_threadcount; /* number of threads per socket */ 186 uint16_t smbpr_cflags; /* cpu characteristics (see <smbios.h>) */ 187 uint16_t smbpr_family2; /* processor family2 (see <smbios.h>) */ 188 uint16_t smbpr_corecount2; /* second number of cores per socket */ 189 uint16_t smbpr_coresenabled2; /* second number of enabled cores */ 190 uint16_t smbpr_threadcount2; /* second number of enabled threads */ 191 uint16_t smbpr_threaden; /* enabled thread count */ 192 uint8_t smbpr_socktype; /* socket type string */ 193 } smb_processor_t; 194 195 /* 196 * SMBIOS implementation structure for SMB_TYPE_CACHE. 197 */ 198 typedef struct smb_cache { 199 smb_header_t smbca_hdr; /* structure header */ 200 uint8_t smbca_socket; /* socket designation */ 201 uint16_t smbca_config; /* cache configuration */ 202 uint16_t smbca_maxsize; /* maximum installed size */ 203 uint16_t smbca_size; /* installed size */ 204 uint16_t smbca_stype; /* supported SRAM type */ 205 uint16_t smbca_ctype; /* current SRAM type */ 206 uint8_t smbca_speed; /* speed in nanoseconds */ 207 uint8_t smbca_etype; /* error correction type */ 208 uint8_t smbca_ltype; /* logical cache type */ 209 uint8_t smbca_assoc; /* associativity */ 210 uint32_t smbca_maxsize2; /* maximum installed size 2 */ 211 uint32_t smbca_size2; /* installed size 2 */ 212 } smb_cache_t; 213 214 /* 215 * Convert encoded cache size to bytes: DSP0134 Section 7.8 explains the 216 * encoding. The highest bit is 0 for 1k units, 1 for 64k units, and this 217 * macro decodes the value into bytes for exporting to our clients. 218 */ 219 #define SMB_CACHE_SIZE(s) (((s) & 0x8000) ? \ 220 ((uint32_t)((s) & 0x7FFF) * 64 * 1024) : ((uint32_t)(s) * 1024)) 221 222 #define SMB_CACHE_EXT_SIZE(s) (((s) & 0x80000000U) ? \ 223 ((uint64_t)((s) & 0x7FFFFFFFULL) * 64ULL * 1024ULL) : \ 224 ((uint64_t)(s) * 1024ULL)) 225 226 #define SMB_CACHE_CFG_MODE(c) (((c) >> 8) & 3) 227 #define SMB_CACHE_CFG_ENABLED(c) (((c) >> 7) & 1) 228 #define SMB_CACHE_CFG_LOCATION(c) (((c) >> 5) & 3) 229 #define SMB_CACHE_CFG_SOCKETED(c) (((c) >> 3) & 1) 230 #define SMB_CACHE_CFG_LEVEL(c) (((c) & 7) + 1) 231 232 /* 233 * SMBIOS implementation structure for SMB_TYPE_PORT. 234 */ 235 typedef struct smb_port { 236 smb_header_t smbpo_hdr; /* structure header */ 237 uint8_t smbpo_iref; /* internal reference designator */ 238 uint8_t smbpo_itype; /* internal connector type */ 239 uint8_t smbpo_eref; /* external reference designator */ 240 uint8_t smbpo_etype; /* external connector type */ 241 uint8_t smbpo_ptype; /* port type */ 242 } smb_port_t; 243 244 /* 245 * SMBIOS implementation structure for SMB_TYPE_SLOT. 246 */ 247 typedef struct smb_slot_peer { 248 uint16_t smbspb_group_no; /* segment group number */ 249 uint8_t smbspb_bus; /* bus number */ 250 uint8_t smbspb_df; /* device/function number */ 251 uint8_t smbspb_width; /* electrical width */ 252 } smb_slot_peer_t; 253 254 typedef struct smb_slot { 255 smb_header_t smbsl_hdr; /* structure header */ 256 uint8_t smbsl_name; /* reference designation */ 257 uint8_t smbsl_type; /* slot type */ 258 uint8_t smbsl_width; /* slot data bus width */ 259 uint8_t smbsl_usage; /* current usage */ 260 uint8_t smbsl_length; /* slot length */ 261 uint16_t smbsl_id; /* slot ID */ 262 uint8_t smbsl_ch1; /* slot characteristics 1 */ 263 uint8_t smbsl_ch2; /* slot characteristics 2 */ 264 uint16_t smbsl_sg; /* segment group number */ 265 uint8_t smbsl_bus; /* bus number */ 266 uint8_t smbsl_df; /* device/function number */ 267 /* Added in SMBIOS 3.2+ */ 268 uint8_t smbsl_dbw; /* Data bus width */ 269 uint8_t smbsl_npeers; /* Peer bdf groups */ 270 smb_slot_peer_t smbsl_peers[]; /* bifurcation peers */ 271 /* There are later additions in 3.4+, see smbios_slot_cont_t */ 272 } smb_slot_t; 273 274 /* 275 * After the variable number of smbsl_peers, the smbios_slot has continued in 276 * size and has the following members defined as of version 3.4. These occur 277 * starting at byte 14 + 5 * smbsl_npeers. 278 */ 279 typedef struct smb_slot_cont { 280 uint8_t smbsl_info; /* slot info */ 281 uint8_t smbsl_pwidth; /* slot physical width */ 282 uint16_t smbsl_pitch; /* slot pitch */ 283 /* Added in SMBIOS 3.5 */ 284 uint8_t smbsl_height; /* slot height */ 285 } smb_slot_cont_t; 286 287 /* 288 * The first byte that the smb_slot_cont_t is defined to start at. Note, this 289 * was originally indicated to be 0x14 in the SMBIOS 3.4 specification. This has 290 * been noted as an errata. Right now we assume that most things have the 291 * updated behavior in SMBIOS 3.5. However, if we encounter things in the wild 292 * that have the other offset then we will need to condition this on 3.4. 293 */ 294 #define SMB_SLOT_CONT_START 0x13 295 296 /* 297 * SMBIOS implementation structure for SMB_TYPE_OBDEVS. 298 */ 299 typedef struct smb_obdev { 300 uint8_t smbob_type; /* encoded type and enable bit */ 301 uint8_t smbob_name; /* description string */ 302 } smb_obdev_t; 303 304 #define SMB_OBT_ENABLED 0x80 /* enable bit within smbob_type */ 305 306 /* 307 * SMBIOS implementation structure for SMB_TYPE_OEMSTR, SMB_TYPE_SYSCONFSTR, 308 * and SMB_TYPE_LANG. 309 */ 310 typedef struct smb_strtab { 311 smb_header_t smbtb_hdr; /* structure header */ 312 uint8_t smbtb_count; /* number of strings */ 313 } smb_strtab_t; 314 315 /* 316 * SMBIOS implementation structure for SMB_TYPE_LANG. 317 */ 318 typedef struct smb_lang { 319 smb_header_t smblang_hdr; /* structure header */ 320 uint8_t smblang_num; /* number of installed languages */ 321 uint8_t smblang_flags; /* flags */ 322 uint8_t smblang_resv[15]; /* reserved for future use */ 323 uint8_t smblang_cur; /* current language string */ 324 } smb_lang_t; 325 326 /* 327 * SMBIOS implementation structure for SMB_TYPE_EVENTLOG. 328 */ 329 typedef struct smb_sel { 330 smb_header_t smbsel_hdr; /* structure header */ 331 uint16_t smbsel_len; /* log area length */ 332 uint16_t smbsel_hdroff; /* header offset */ 333 uint16_t smbsel_dataoff; /* data offset */ 334 uint8_t smbsel_method; /* access method */ 335 uint8_t smbsel_status; /* status flags */ 336 uint32_t smbsel_token; /* change token */ 337 uint32_t smbsel_addr; /* access method address */ 338 uint8_t smbsel_format; /* header format */ 339 uint8_t smbsel_typec; /* number of type descriptors */ 340 uint8_t smbsel_typesz; /* size of each type descriptor */ 341 uint8_t smbsel_typev[1]; /* array of type descriptors */ 342 } smb_sel_t; 343 344 /* 345 * SMBIOS implementation structure for SMB_TYPE_MEMARRAY. 346 */ 347 typedef struct smb_memarray { 348 smb_header_t smbmarr_hdr; /* structure header */ 349 uint8_t smbmarr_loc; /* location */ 350 uint8_t smbmarr_use; /* use */ 351 uint8_t smbmarr_ecc; /* error detect/correct mechanism */ 352 uint32_t smbmarr_cap; /* maximum capacity */ 353 uint16_t smbmarr_err; /* error handle */ 354 uint16_t smbmarr_ndevs; /* number of slots or sockets */ 355 uint64_t smbmarr_extcap; /* extended maximum capacity */ 356 } smb_memarray_t; 357 358 /* 359 * SMBIOS implementation structure for SMB_TYPE_MEMARRAYMAP. 360 */ 361 typedef struct smb_memarrmap { 362 smb_header_t smbamap_hdr; /* structure header */ 363 uint32_t smbamap_start; /* starting address in kilobytes */ 364 uint32_t smbamap_end; /* ending address in kilobytes */ 365 uint16_t smbamap_array; /* physical memory array handle */ 366 uint8_t smbamap_width; /* partition width */ 367 uint64_t smbamap_extstart; /* extended starting address in bytes */ 368 uint64_t smbamap_extend; /* extended ending address in bytes */ 369 } smb_memarrmap_t; 370 371 /* 372 * SMBIOS implementation structure for SMB_TYPE_MEMDEVICE. 373 */ 374 typedef struct smb_memdevice { 375 smb_header_t smbmdev_hdr; /* structure header */ 376 uint16_t smbmdev_array; /* array handle */ 377 uint16_t smbmdev_error; /* error handle */ 378 uint16_t smbmdev_twidth; /* total width */ 379 uint16_t smbmdev_dwidth; /* data width */ 380 uint16_t smbmdev_size; /* size in either K or MB */ 381 uint8_t smbmdev_form; /* form factor */ 382 uint8_t smbmdev_set; /* device set */ 383 uint8_t smbmdev_dloc; /* device locator */ 384 uint8_t smbmdev_bloc; /* bank locator */ 385 uint8_t smbmdev_type; /* memory type */ 386 uint16_t smbmdev_flags; /* detail flags */ 387 uint16_t smbmdev_speed; /* speed in MT/s */ 388 uint8_t smbmdev_manufacturer; /* manufacturer */ 389 uint8_t smbmdev_serial; /* serial number */ 390 uint8_t smbmdev_asset; /* asset tag */ 391 uint8_t smbmdev_part; /* part number */ 392 uint8_t smbmdev_attrs; /* attributes */ 393 uint32_t smbmdev_extsize; /* extended size */ 394 uint16_t smbmdev_clkspeed; /* configured clock speed */ 395 uint16_t smbmdev_minvolt; /* minimum voltage */ 396 uint16_t smbmdev_maxvolt; /* maximum voltage */ 397 uint16_t smbmdev_confvolt; /* configured voltage */ 398 /* Added in SMBIOS 3.2 */ 399 uint8_t smbmdev_memtech; /* memory technology */ 400 uint16_t smbmdev_opmode; /* memory operating mode capability */ 401 uint8_t smbmdev_fwver; /* firmware version */ 402 uint16_t smbmdev_modulemfgid; /* module manufacturer ID */ 403 uint16_t smbmdev_moduleprodid; /* module product ID */ 404 uint16_t smbmdev_memsysmfgid; /* memory controller manufacturer id */ 405 uint16_t smbmdev_memsysprodid; /* memory controller product id */ 406 uint64_t smbmdev_nvsize; /* non-volatile memory size */ 407 uint64_t smbmdev_volsize; /* volatile memory size */ 408 uint64_t smbmdev_cachesize; /* cache size */ 409 uint64_t smbmdev_logicalsize; /* logical size */ 410 /* Added in SMBIOS 3.3 */ 411 uint32_t smbmdev_extspeed; /* Extended device speed */ 412 uint32_t smbmdev_extclkspeed; /* Extended clock speed */ 413 /* Added in SMBIOS 3.7 */ 414 uint16_t smbmdev_pmic0mfgid; /* PMIC0 Manufacturer ID */ 415 uint16_t smbmdev_pmic0rev; /* PMIC0 Revision */ 416 uint16_t smbmdev_rcdmfgid; /* RCD Manufacturer ID */ 417 uint16_t smbmdev_rcdrev; /* RCD Revision */ 418 } smb_memdevice_t; 419 420 #define SMB_MDS_KBYTES 0x8000 /* size in specified in kilobytes */ 421 422 /* 423 * SMBIOS implementation structure for SMB_TYPE_MEMDEVICEMAP. 424 */ 425 typedef struct smb_memdevmap { 426 smb_header_t smbdmap_hdr; /* structure header */ 427 uint32_t smbdmap_start; /* starting address in kilobytes */ 428 uint32_t smbdmap_end; /* ending address in kilobytes */ 429 uint16_t smbdmap_device; /* memory device handle */ 430 uint16_t smbdmap_array; /* memory array mapped address handle */ 431 uint8_t smbdmap_rpos; /* row position */ 432 uint8_t smbdmap_ipos; /* interleave position */ 433 uint8_t smbdmap_idepth; /* interleave depth */ 434 uint64_t smbdmap_extstart; /* extended starting address */ 435 uint64_t smbdmap_extend; /* extended ending address */ 436 } smb_memdevmap_t; 437 438 typedef struct smb_pointdev { 439 smb_header_t smbpdev_hdr; /* structure header */ 440 uint8_t smbpdev_type; /* device type */ 441 uint8_t smbpdev_iface; /* device interface */ 442 uint8_t smbpdev_nbuttons; /* number of buttons */ 443 } smb_pointdev_t; 444 445 /* 446 * SMBIOS implementation structure for SMB_TYPE_BATTERY. 447 */ 448 typedef struct smb_battery { 449 smb_header_t smbbat_hdr; /* structure header */ 450 uint8_t smbbat_loc; /* location */ 451 uint8_t smbbat_manufacturer; /* manufacturer */ 452 uint8_t smbbat_date; /* manufacture date */ 453 uint8_t smbbat_serial; /* serial number */ 454 uint8_t smbbat_devname; /* device name */ 455 uint8_t smbbat_chem; /* device chemistry */ 456 uint16_t smbbat_cap; /* design capacity in mW hours */ 457 uint16_t smbbat_volt; /* design voltage in mV */ 458 uint8_t smbbat_version; /* SBDS version string */ 459 uint8_t smbbat_err; /* error percentage */ 460 uint16_t smbbat_ssn; /* SBDS serial number */ 461 uint16_t smbbat_sdate; /* SBDS manufacture date */ 462 uint8_t smbbat_schem; /* SBDS chemistry string */ 463 uint8_t smbbat_mult; /* design capacity multiplier */ 464 uint32_t smbbat_oemdata; /* OEM-specific data */ 465 } smb_battery_t; 466 467 /* 468 * SMBIOS implementation structure for SMB_TYPE_SECURITY. 469 */ 470 typedef struct smb_hwsec { 471 smb_header_t smbhs_hdr; /* structure header */ 472 uint8_t smbhs_settings; /* settings byte */ 473 } smb_hwsec_t; 474 475 #define SMB_HWS_PWR_PS(x) (((x) & 0xC0) >> 6) 476 #define SMB_HWS_KBD_PS(x) (((x) & 0x30) >> 4) 477 #define SMB_HWS_ADM_PS(x) (((x) & 0x0C) >> 2) 478 #define SMB_HWS_PAN_PS(x) (((x) & 0x03) >> 0) 479 480 /* 481 * SMBIOS implementation structure for SMB_TYPE_VPROBE. 482 */ 483 typedef struct smb_vprobe { 484 smb_header_t smbvpr_hdr; /* structure header */ 485 uint8_t smbvpr_descr; /* description string */ 486 uint8_t smbvpr_locstat; /* location and status */ 487 uint16_t smbvpr_maxval; /* maximum voltage */ 488 uint16_t smbvpr_minval; /* minimum voltage */ 489 uint16_t smbvpr_resolution; /* probe resolution */ 490 uint16_t smbvpr_tolerance; /* probe tolerance */ 491 uint16_t smbvpr_accuracy; /* probe accuracy */ 492 uint32_t smbvpr_oem; /* vendor-specific data */ 493 uint16_t smbvpr_nominal; /* nominal value */ 494 } smb_vprobe_t; 495 496 #define SMB_VPROBE_MINLEN 0x14 497 #define SMB_VPROBE_NOMINAL_MINLEN 0x16 498 499 #define SMB_VPROBE_LOCATION(x) ((x) & 0x1f) 500 #define SMB_VPROBE_STATUS(x) (((x) >> 5) & 0x7) 501 502 /* 503 * SMBIOS implementation structure for SMB_TYPE_COOLDEV. 504 */ 505 typedef struct smb_cooldev { 506 smb_header_t smbcdev_hdr; /* structure header */ 507 uint16_t smbcdev_tprobe; /* temperature probe */ 508 uint8_t smbcdev_typstat; /* type and status */ 509 uint8_t smbcdev_group; /* group identifier */ 510 uint32_t smbcdev_oem; /* vendor-specific data */ 511 uint16_t smbcdev_nominal; /* nominal value */ 512 uint8_t smbcdev_descr; /* description string */ 513 } smb_cooldev_t; 514 515 #define SMB_COOLDEV_MINLEN 0x0c 516 #define SMB_COOLDEV_NOMINAL_MINLEN 0x0e 517 #define SMB_COOLDEV_DESCR_MINLEN 0x0f 518 519 #define SMB_COOLDEV_TYPE(x) ((x) & 0x1f) 520 #define SMB_COOLDEV_STATUS(x) (((x) >> 5) & 0x7) 521 522 /* 523 * SMBIOS implementation structure for SMB_TYPE_TPROBE. 524 */ 525 typedef struct smb_tprobe { 526 smb_header_t smbtpr_hdr; /* structure header */ 527 uint8_t smbtpr_descr; /* description string */ 528 uint8_t smbtpr_locstat; /* location and status */ 529 uint16_t smbtpr_maxval; /* maximum temperature */ 530 uint16_t smbtpr_minval; /* minimum temperature */ 531 uint16_t smbtpr_resolution; /* probe resolution */ 532 uint16_t smbtpr_tolerance; /* probe tolerance */ 533 uint16_t smbtpr_accuracy; /* probe accuracy */ 534 uint32_t smbtpr_oem; /* vendor-specific data */ 535 uint16_t smbtpr_nominal; /* nominal value */ 536 } smb_tprobe_t; 537 538 #define SMB_TPROBE_MINLEN 0x14 539 #define SMB_TPROBE_NOMINAL_MINLEN 0x16 540 541 #define SMB_TPROBE_LOCATION(x) ((x) & 0x1f) 542 #define SMB_TPROBE_STATUS(x) (((x) >> 5) & 0x7) 543 544 /* 545 * SMBIOS implementation structure for SMB_TYPE_IPROBE. 546 */ 547 typedef struct smb_iprobe { 548 smb_header_t smbipr_hdr; /* structure header */ 549 uint8_t smbipr_descr; /* description string */ 550 uint8_t smbipr_locstat; /* location and status */ 551 uint16_t smbipr_maxval; /* maximum current */ 552 uint16_t smbipr_minval; /* minimum current */ 553 uint16_t smbipr_resolution; /* probe resolution */ 554 uint16_t smbipr_tolerance; /* probe tolerance */ 555 uint16_t smbipr_accuracy; /* probe accuracy */ 556 uint32_t smbipr_oem; /* vendor-specific data */ 557 uint16_t smbipr_nominal; /* nominal value */ 558 } smb_iprobe_t; 559 560 #define SMB_IPROBE_MINLEN 0x14 561 #define SMB_IPROBE_NOMINAL_MINLEN 0x16 562 563 #define SMB_IPROBE_LOCATION(x) ((x) & 0x1f) 564 #define SMB_IPROBE_STATUS(x) (((x) >> 5) & 0x7) 565 566 /* 567 * SMBIOS implementation structure for SMB_TYPE_BOOT. 568 */ 569 typedef struct smb_boot { 570 smb_header_t smbbo_hdr; /* structure header */ 571 uint8_t smbbo_pad[6]; /* reserved for future use */ 572 uint8_t smbbo_status[1]; /* variable-length status buffer */ 573 } smb_boot_t; 574 575 /* 576 * SMBIOS implementation structure for SMB_TYPE_IPMIDEV. 577 */ 578 typedef struct smb_ipmi { 579 smb_header_t smbipm_hdr; /* structure header */ 580 uint8_t smbipm_type; /* interface type */ 581 uint8_t smbipm_spec; /* specification revision */ 582 uint8_t smbipm_i2c; /* i2C slave address */ 583 uint8_t smbipm_bus; /* NV storage device bus ID */ 584 uint64_t smbipm_addr; /* base address */ 585 uint8_t smbipm_info; /* base address modifier/intr info */ 586 uint8_t smbipm_intr; /* interrupt number */ 587 } smb_ipmi_t; 588 589 #define SMB_IPM_SPEC_MAJOR(x) (((x) & 0xF0) >> 4) 590 #define SMB_IPM_SPEC_MINOR(x) ((x) & 0x0F) 591 592 #define SMB_IPM_ADDR_IO 1ULL 593 594 #define SMB_IPM_INFO_REGS(x) (((x) & 0xC0) >> 6) 595 #define SMB_IPM_INFO_LSB(x) (((x) & 0x10) >> 4) 596 #define SMB_IPM_INFO_ISPEC(x) (((x) & 0x08) >> 3) 597 #define SMB_IPM_INFO_IPOL(x) (((x) & 0x02) >> 1) 598 #define SMB_IPM_INFO_IMODE(x) (((x) & 0x01) >> 0) 599 600 #define SMB_IPM_REGS_1B 0 601 #define SMB_IPM_REGS_4B 1 602 #define SMB_IPM_REGS_16B 2 603 604 #define SMB_IPM_IPOL_LO 0 605 #define SMB_IPM_IPOL_HI 1 606 607 #define SMB_IPM_IMODE_EDGE 0 608 #define SMB_IPM_IMODE_LEVEL 1 609 610 /* 611 * SMBIOS implementation structure for SMB_TYPE_POWERSUP. 612 */ 613 typedef struct smb_powersup { 614 smb_header_t smbpsup_hdr; /* structure header */ 615 uint8_t smbpsup_group; /* group id */ 616 uint8_t smbpsup_loc; /* location tag */ 617 uint8_t smbpsup_devname; /* device name */ 618 uint8_t smbpsup_manufacturer; /* manufacturer */ 619 uint8_t smbpsup_serial; /* serial number */ 620 uint8_t smbpsup_asset; /* asset tag */ 621 uint8_t smbpsup_part; /* part number */ 622 uint8_t smbpsup_rev; /* revision string */ 623 uint16_t smbpsup_max; /* max output in milliwatts */ 624 uint16_t smbpsup_char; /* characteristics */ 625 uint16_t smbpsup_vprobe; /* voltage probe handle */ 626 uint16_t smbpsup_cooldev; /* cooling device handle */ 627 uint16_t smbpsup_iprobe; /* current probe handle */ 628 } smb_powersup_t; 629 630 #define SMB_PSU_CHARS_ISHOT(x) ((x) & 0x01) 631 #define SMB_PSU_CHARS_ISPRES(x) ((x) & 0x02) 632 #define SMB_PSU_CHARS_ISUNPLUG(x) ((x) & 0x04) 633 #define SMB_PSU_CHARS_IVRS(x) (((x) >> 3) & 0xf) 634 #define SMB_PSU_CHARS_STATUS(x) (((x) >> 7) & 0x7) 635 #define SMB_PSU_CHARS_TYPE(x) (((x) >> 10) & 0xf) 636 637 /* 638 * SMBIOS implementation structure for SMB_TYPE_ADDINFO. 639 */ 640 typedef struct smb_addinfo { 641 smb_header_t smbai_hdr; 642 uint8_t smbai_nents; 643 uint8_t smbai_data[]; 644 } smb_addinfo_t; 645 646 /* 647 * This contains the additional information entry. There are in theory n of 648 * these in the smbai_data[] member of the additional information structure 649 * above. The offset here is to the referenced handle. 650 */ 651 typedef struct smb_addinfo_ent { 652 uint8_t smbaie_len; 653 uint16_t smbaie_rhdl; 654 uint8_t smbaie_off; 655 uint8_t smbaie_str; 656 uint8_t smbaie_val[]; 657 } smb_addinfo_ent_t; 658 659 /* 660 * SMBIOS implementation structure for SMB_TYPE_OBDEVEXT. 661 */ 662 typedef struct smb_obdev_ext { 663 smb_header_t smbobe_hdr; /* structure header */ 664 uint8_t smbobe_name; /* reference designation */ 665 uint8_t smbobe_dtype; /* device type */ 666 uint8_t smbobe_dti; /* device type instance */ 667 uint16_t smbobe_sg; /* segment group number */ 668 uint8_t smbobe_bus; /* bus number */ 669 uint8_t smbobe_df; /* device/function number */ 670 } smb_obdev_ext_t; 671 672 /* 673 * SMBIOS implementation structure for SMB_TYPE_PROCESSOR_INFO 674 */ 675 typedef struct smb_processor_info { 676 smb_header_t smbpai_hdr; /* structure handle */ 677 uint16_t smbpai_proc; /* processor handle */ 678 uint8_t smbpai_len; /* length of processor specific data */ 679 uint8_t smbpai_type; /* processor type */ 680 uint8_t smbpai_data[]; /* processor-specific block */ 681 } smb_processor_info_t; 682 683 typedef struct smb_processor_info_riscv { 684 uint16_t smbpairv_vers; /* structure revision */ 685 uint8_t smbpairv_len; /* length of structure */ 686 uint8_t smbpairv_hartid[16]; /* id of the hart */ 687 uint8_t smbpairv_boot; /* boot hart */ 688 uint8_t smbpairv_vendid[16]; /* machine vendor id */ 689 uint8_t smbpairv_archid[16]; /* arch vendor id */ 690 uint8_t smbpairv_machid[16]; /* machine impl id */ 691 uint32_t smbpairv_isa; /* supported ISA */ 692 uint8_t smbpairv_privlvl; /* supported privilege levels */ 693 uint8_t smbpairv_metdi[16]; /* Machine exception trap delegation */ 694 uint8_t smbpairv_mitdi[16]; /* Machine interrupt trap delegation */ 695 uint8_t smbpairv_xlen; /* Register width */ 696 uint8_t smbpairv_mxlen; /* Machine register width */ 697 uint8_t smbpairv_rsvd; /* Reserved */ 698 uint8_t smbpairv_sxlen; /* Supervisor register width */ 699 uint8_t smbpairv_uxlen; /* User register width */ 700 } smb_processor_info_riscv_t; 701 702 /* 703 * SMBIOS implementation structure for SMBIOS_TYPE_FWINFO. 704 */ 705 typedef struct smb_fwinfo { 706 smb_header_t smbfwii_hdr; /* structure handle */ 707 uint8_t smbfwii_name; /* Firmware component name */ 708 uint8_t smbfwii_vers; /* Firmware version */ 709 uint8_t smbfwii_vers_fmt; /* Version format */ 710 uint8_t smbfwii_id; /* Firmware ID */ 711 uint8_t smbfwii_id_fmt; /* Firmware ID format */ 712 uint8_t smbfwii_reldate; /* Release Date */ 713 uint8_t smbfwii_mfg; /* Manufacturer */ 714 uint8_t smbfwii_lsv; /* Lowest supported version */ 715 uint64_t smbfwii_imgsz; /* Image size */ 716 uint16_t smbfwii_chars; /* Characteristics */ 717 uint8_t smbfwii_state; /* State */ 718 uint8_t smbfwii_ncomps; /* Number of associated components */ 719 uint16_t smbfwii_comps[]; /* Variable handles */ 720 } smb_fwinfo_t; 721 722 /* 723 * SMBIOS implementation structure for SMBIOS_TYPE_STRPROP. 724 */ 725 typedef struct smb_strprop { 726 smb_header_t smbstrp_hdr; /* structure handle */ 727 uint16_t smbstrp_prop_id; /* string property ID */ 728 uint8_t smbstrp_prop_val; /* string property value */ 729 uint16_t smbstrp_phdl; /* parent handle */ 730 } smb_strprop_t; 731 732 /* 733 * SMBIOS implementation structure for SUN_OEM_EXT_PROCESSOR. 734 */ 735 typedef struct smb_processor_ext { 736 smb_header_t smbpre_hdr; /* structure header */ 737 uint16_t smbpre_processor; /* processor handle */ 738 uint8_t smbpre_fru; /* FRU indicator */ 739 uint8_t smbpre_n; /* number of APIC IDs */ 740 uint16_t smbpre_apicid[1]; /* strand initial apic id */ 741 } smb_processor_ext_t; 742 743 /* 744 * SMBIOS implementation structure for SUN_OEM_EXT_PORT. 745 */ 746 typedef struct smb_port_ext { 747 smb_header_t smbpoe_hdr; /* structure header */ 748 uint16_t smbpoe_chassis; /* chassis handle */ 749 uint16_t smbpoe_port; /* port connector handle */ 750 uint8_t smbpoe_dtype; /* device type */ 751 uint16_t smbpoe_devhdl; /* device handle */ 752 uint8_t smbpoe_phy; /* PHY number */ 753 } smb_port_ext_t; 754 755 /* 756 * SMBIOS implementation structure for SUN_OEM_PCIEXRC. 757 */ 758 typedef struct smb_pciexrc { 759 smb_header_t smbpciexrc_hdr; /* structure header */ 760 uint16_t smbpciexrc_bboard; /* base board handle */ 761 uint16_t smbpciexrc_bdf; /* PCI Bus/Dev/Func */ 762 } smb_pciexrc_t; 763 764 /* 765 * SMBIOS implementation structure for SUN_OEM_EXT_MEMARRAY. 766 */ 767 typedef struct smb_memarray_ext { 768 smb_header_t smbmarre_hdr; /* structure header */ 769 uint16_t smbmarre_ma; /* memory array handle */ 770 uint16_t smbmarre_component; /* component parent handle */ 771 uint16_t smbmarre_bdf; /* PCI bus/dev/funct */ 772 } smb_memarray_ext_t; 773 774 /* 775 * SMBIOS implementation structure for SUN_OEM_EXT_MEMDEVICE. 776 */ 777 typedef struct smb_memdevice_ext { 778 smb_header_t smbmdeve_hdr; /* structure header */ 779 uint16_t smbmdeve_mdev; /* memory device handle */ 780 uint8_t smbmdeve_dchan; /* DRAM channel */ 781 uint8_t smbmdeve_ncs; /* number of chip select */ 782 uint8_t smbmdeve_cs[]; /* chip selects */ 783 } smb_memdevice_ext_t; 784 785 #pragma pack() 786 787 typedef struct smb_struct { 788 const smb_header_t *smbst_hdr; /* address of raw structure data */ 789 const uchar_t *smbst_str; /* address of string data (if any) */ 790 const uchar_t *smbst_end; /* address of 0x0000 ending tag */ 791 struct smb_struct *smbst_next; /* next structure in hash chain */ 792 uint16_t *smbst_strtab; /* string index -> offset table */ 793 uint_t smbst_strtablen; /* length of smbst_strtab */ 794 } smb_struct_t; 795 796 struct smbios_hdl { 797 smbios_entry_point_t sh_ent_type; /* structure table entry point type */ 798 smbios_entry_t sh_ent; /* structure table entry point */ 799 uint_t sh_ent_stnum; /* number of structure table entries */ 800 const void *sh_buf; /* structure table buffer */ 801 size_t sh_buflen; /* size of structure table buffer */ 802 smb_struct_t *sh_structs; /* array of structure descriptors */ 803 uint_t sh_nstructs; /* number of active structures */ 804 smb_struct_t **sh_hash; /* hash bucket array for descriptors */ 805 uint_t sh_hashlen; /* hash bucket array length */ 806 int sh_err; /* error code for smbios_errno() */ 807 int sh_libvers; /* library client abi version */ 808 int sh_smbvers; /* derived underlying format version */ 809 uint_t sh_flags; /* miscellaneous flags (see below) */ 810 }; 811 812 #define SMB_FL_DEBUG 0x1 /* print debug messages for this hdl */ 813 #define SMB_FL_BUFALLOC 0x2 /* sh_buf was allocated by library */ 814 #define SMB_FL_TRUNC 0x4 /* smbios table is truncated */ 815 816 #define SMB_BIOS_DEVICE "/dev/xsvc" /* device w/ BIOS physmem */ 817 #define SMB_SMBIOS_DEVICE "/dev/smbios" /* device w/ SMBIOS image */ 818 819 #define SMB_RANGE_START 0xF0000 /* start of physical address range */ 820 #define SMB_RANGE_LIMIT 0xFFFFF /* limit of physical address range */ 821 #define SMB_SCAN_STEP 16 /* stepping by paragraph */ 822 823 #define SMB_MAJMIN(M, m) ((((M) & 0xFF) << 8) | ((m) & 0xFF)) 824 #define SMB_MAJOR(v) (((v) & 0xFF00) >> 8) 825 #define SMB_MINOR(v) (((v) & 0x00FF)) 826 827 #define ESMB_BASE 1000 /* base value for libsmbios errnos */ 828 829 enum { 830 ESMB_NOTFOUND = ESMB_BASE, /* SMBIOS table not found on system */ 831 ESMB_MAPDEV, /* failed to map SMBIOS table */ 832 ESMB_NOENT, /* failed to locate structure */ 833 ESMB_NOMEM, /* failed to allocate memory */ 834 ESMB_NOHDR, /* failed to read SMBIOS header */ 835 ESMB_NOSTAB, /* failed to read SMBIOS struct table */ 836 ESMB_NOINFO, /* no common info for structure */ 837 ESMB_SHORT, /* buffer length doesn't match header */ 838 ESMB_CORRUPT, /* buffer struct or len is corrupt */ 839 ESMB_VERSION, /* version not supported by library */ 840 ESMB_NOTSUP, /* feature not supported by provider */ 841 ESMB_HEADER, /* SMBIOS header corrupt or invalid */ 842 ESMB_OLD, /* SMBIOS version is too old for us */ 843 ESMB_NEW, /* SMBIOS version is too new for us */ 844 ESMB_CKSUM, /* SMBIOS header checksum mismatch */ 845 ESMB_INVAL, /* invalid function call argument */ 846 ESMB_TYPE, /* structure type mismatch */ 847 ESMB_UNKNOWN, /* unknown error */ 848 ESMB_REQVAL /* invalid requested value */ 849 }; 850 851 extern const smb_struct_t *smb_lookup_type(smbios_hdl_t *, uint_t); 852 extern const smb_struct_t *smb_lookup_id(smbios_hdl_t *, uint_t); 853 extern const char *smb_strptr(const smb_struct_t *, uint_t); 854 extern boolean_t smb_gteq(smbios_hdl_t *, int); 855 extern boolean_t smb_libgteq(smbios_hdl_t *, int); 856 857 extern int smb_set_errno(smbios_hdl_t *, int); 858 extern smbios_hdl_t *smb_open_error(smbios_hdl_t *, int *, int); 859 extern const char *smb_strerror(int); 860 861 extern void *smb_alloc(size_t); 862 extern void *smb_zalloc(size_t); 863 extern void smb_free(void *, size_t); 864 865 extern void smb_dprintf(smbios_hdl_t *, const char *, ...); 866 867 extern int _smb_debug; 868 869 /* 870 * The following series of structures represent the base versions of public 871 * structures that are used inside by the smbios routines. This allows the 872 * common code to properly know how much it should or should not bzero and how 873 * to handle additions to the spec. Types should only be added here if we need 874 * to extend the public structures in sys/smbios.h due to a change in the spec. 875 * 876 * Types here have the name smb_base_%s which corresponds to smbios_%s. 877 */ 878 typedef struct smb_base_chassis { 879 uint32_t smbbc_oemdata; /* OEM-specific data */ 880 uint8_t smbbc_lock; /* lock present? */ 881 uint8_t smbbc_type; /* type */ 882 uint8_t smbbc_bustate; /* boot-up state */ 883 uint8_t smbbc_psstate; /* power supply state */ 884 uint8_t smbbc_thstate; /* thermal state */ 885 uint8_t smbbc_security; /* security status */ 886 uint8_t smbbc_uheight; /* enclosure height in U's */ 887 uint8_t smbbc_cords; /* number of power cords */ 888 uint8_t smbbc_elems; /* number of element records (n) */ 889 uint8_t smbbc_elemlen; /* length of contained element (m) */ 890 } smb_base_chassis_t; 891 892 typedef struct smb_base_processor { 893 uint64_t smbbp_cpuid; /* processor cpuid information */ 894 uint32_t smbbp_family; /* processor family */ 895 uint8_t smbbp_type; /* processor type (SMB_PRT_*) */ 896 uint8_t smbbp_voltage; /* voltage (SMB_PRV_*) */ 897 uint8_t smbbp_status; /* status (SMB_PRS_*) */ 898 uint8_t smbbp_upgrade; /* upgrade (SMB_PRU_*) */ 899 uint32_t smbbp_clkspeed; /* external clock speed in MHz */ 900 uint32_t smbbp_maxspeed; /* maximum speed in MHz */ 901 uint32_t smbbp_curspeed; /* current speed in MHz */ 902 id_t smbbp_l1cache; /* L1 cache handle */ 903 id_t smbbp_l2cache; /* L2 cache handle */ 904 id_t smbbp_l3cache; /* L3 cache handle */ 905 } smb_base_processor_t; 906 907 typedef struct smb_base_memdevice { 908 id_t smbbmd_array; /* handle of physical memory array */ 909 id_t smbbmd_error; /* handle of memory error data */ 910 uint32_t smbbmd_twidth; /* total width in bits including ecc */ 911 uint32_t smbbmd_dwidth; /* data width in bits */ 912 uint64_t smbbmd_size; /* size in bytes (see note above) */ 913 uint8_t smbbmd_form; /* form factor */ 914 uint8_t smbbmd_set; /* set (0x00=none, 0xFF=unknown) */ 915 uint8_t smbbmd_type; /* memory type */ 916 uint8_t smbbmd_pad; /* padding */ 917 uint32_t smbbmd_flags; /* flags (see below) */ 918 uint32_t smbbmd_speed; /* speed in MHz */ 919 const char *smbbmd_dloc; /* physical device locator string */ 920 const char *smbbmd_bloc; /* physical bank locator string */ 921 uint8_t smbbmd_rank; /* rank */ 922 } smb_base_memdevice_t; 923 924 typedef struct smb_base_bios { 925 const char *smbbb_vendor; /* bios vendor string */ 926 const char *smbbb_version; /* bios version string */ 927 const char *smbbb_reldate; /* bios release date */ 928 uint32_t smbbb_segment; /* bios address segment location */ 929 uint32_t smbbb_romsize; /* bios rom size in bytes */ 930 uint32_t smbbb_runsize; /* bios image size in bytes */ 931 uint64_t smbbb_cflags; /* bios characteristics */ 932 const uint8_t *smbbb_xcflags; /* bios characteristics extensions */ 933 size_t smbbb_nxcflags; /* number of smbb_xcflags[] bytes */ 934 smbios_version_t smbbb_biosv; /* bios version */ 935 smbios_version_t smbbb_ecfwv; /* bios embedded ctrl f/w version */ 936 } smb_base_bios_t; 937 938 typedef struct smb_base_cache { 939 uint32_t smbba_maxsize; /* maximum installed size in bytes */ 940 uint32_t smbba_size; /* installed size in bytes */ 941 uint16_t smbba_stype; /* supported SRAM types (SMB_CAT_*) */ 942 uint16_t smbba_ctype; /* current SRAM type (SMB_CAT_*) */ 943 uint8_t smbba_speed; /* speed in nanoseconds */ 944 uint8_t smbba_etype; /* error correction type (SMB_CAE_*) */ 945 uint8_t smbba_ltype; /* logical cache type (SMB_CAG_*) */ 946 uint8_t smbba_assoc; /* associativity (SMB_CAA_*) */ 947 uint8_t smbba_level; /* cache level */ 948 uint8_t smbba_mode; /* cache mode (SMB_CAM_*) */ 949 uint8_t smbba_location; /* cache location (SMB_CAL_*) */ 950 uint8_t smbba_flags; /* cache flags (SMB_CAF_*) */ 951 } smb_base_cache_t; 952 953 typedef struct smb_base_slot { 954 const char *smbbl_name; /* reference designation */ 955 uint8_t smbbl_type; /* slot type */ 956 uint8_t smbbl_width; /* slot data bus width */ 957 uint8_t smbbl_usage; /* current usage */ 958 uint8_t smbbl_length; /* slot length */ 959 uint16_t smbbl_id; /* slot ID */ 960 uint8_t smbbl_ch1; /* slot characteristics 1 */ 961 uint8_t smbbl_ch2; /* slot characteristics 2 */ 962 uint16_t smbbl_sg; /* segment group number */ 963 uint8_t smbbl_bus; /* bus number */ 964 uint8_t smbbl_df; /* device/function number */ 965 } smb_base_slot_t; 966 967 /* 968 * Prior to reivison 3.5 of the library and interface we had embedded a 256 byte 969 * string for the SKU into here rather than pointing to constant data. This, 970 * combined withe bugs in the implementation, generally led to strings with 971 * garbage. As part of fixing this with the 3.5 support, we moved the struct to 972 * ve more inline with everything else. 973 */ 974 typedef struct smb_chassis_pre35 { 975 uint32_t smbc_oemdata; /* OEM-specific data */ 976 uint8_t smbc_lock; /* lock present? */ 977 uint8_t smbc_type; /* type */ 978 uint8_t smbc_bustate; /* boot-up state */ 979 uint8_t smbc_psstate; /* power supply state */ 980 uint8_t smbc_thstate; /* thermal state */ 981 uint8_t smbc_security; /* security status */ 982 uint8_t smbc_uheight; /* enclosure height in U's */ 983 uint8_t smbc_cords; /* number of power cords */ 984 uint8_t smbc_elems; /* number of element records (n) */ 985 uint8_t smbc_elemlen; /* length of contained element (m) */ 986 char smbc_sku[256]; 987 } smb_chassis_pre35_t; 988 989 #ifdef __cplusplus 990 } 991 #endif 992 993 #endif /* _SYS_SMBIOS_IMPL_H */ 994