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 2021 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 #define	SMB_CHE_TYPE_IS_SMB(x)	(((x) & 0x80) ==  0x80)
149 #define	SMB_CHE_TYPE_TYPE(x)	(((x) & 0x7f))
150 
151 /*
152  * SMBIOS implementation structure for SMB_TYPE_PROCESSOR.
153  */
154 typedef struct smb_processor {
155 	smb_header_t smbpr_hdr;		/* structure header */
156 	uint8_t smbpr_socket;		/* socket designation */
157 	uint8_t smbpr_type;		/* processor type (see <smbios.h>) */
158 	uint8_t smbpr_family;		/* processor family (see <smbios.h>) */
159 	uint8_t smbpr_manufacturer;	/* manufacturer */
160 	uint64_t smbpr_cpuid;		/* processor cpuid information */
161 	uint8_t smbpr_version;		/* version */
162 	uint8_t smbpr_voltage;		/* voltage */
163 	uint16_t smbpr_clkspeed;	/* external clock speed in MHz */
164 	uint16_t smbpr_maxspeed;	/* maximum speed in MHz */
165 	uint16_t smbpr_curspeed;	/* current speed in MHz */
166 	uint8_t smbpr_status;		/* status (see <smbios.h>) */
167 	uint8_t smbpr_upgrade;		/* upgrade */
168 	uint16_t smbpr_l1cache;		/* L1 cache handle (if any) */
169 	uint16_t smbpr_l2cache;		/* L2 cache handle (if any) */
170 	uint16_t smbpr_l3cache;		/* L3 cache handle (if any) */
171 	uint8_t smbpr_serial;		/* serial number */
172 	uint8_t smbpr_asset;		/* asset tag */
173 	uint8_t smbpr_part;		/* part number */
174 	uint8_t smbpr_corecount;	/* number of cores per socket */
175 	uint8_t smbpr_coresenabled;	/* number of enabled cores per socket */
176 	uint8_t smbpr_threadcount;	/* number of threads per socket */
177 	uint16_t smbpr_cflags;	/* cpu characteristics (see <smbios.h>) */
178 	uint16_t smbpr_family2;		/* processor family2 (see <smbios.h>) */
179 	uint16_t smbpr_corecount2;	/* second number of cores per socket */
180 	uint16_t smbpr_coresenabled2;	/* second number of enabled cores */
181 	uint16_t smbpr_threadcount2;	/* second number of enabled threads */
182 } smb_processor_t;
183 
184 /*
185  * SMBIOS implementation structure for SMB_TYPE_CACHE.
186  */
187 typedef struct smb_cache {
188 	smb_header_t smbca_hdr;		/* structure header */
189 	uint8_t smbca_socket;		/* socket designation */
190 	uint16_t smbca_config;		/* cache configuration */
191 	uint16_t smbca_maxsize;		/* maximum installed size */
192 	uint16_t smbca_size;		/* installed size */
193 	uint16_t smbca_stype;		/* supported SRAM type */
194 	uint16_t smbca_ctype;		/* current SRAM type */
195 	uint8_t smbca_speed;		/* speed in nanoseconds */
196 	uint8_t smbca_etype;		/* error correction type */
197 	uint8_t smbca_ltype;		/* logical cache type */
198 	uint8_t smbca_assoc;		/* associativity */
199 	uint32_t smbca_maxsize2;	/* maximum installed size 2 */
200 	uint32_t smbca_size2;		/* installed size 2 */
201 } smb_cache_t;
202 
203 /*
204  * Convert encoded cache size to bytes: DSP0134 Section 7.8 explains the
205  * encoding.  The highest bit is 0 for 1k units, 1 for 64k units, and this
206  * macro decodes the value into bytes for exporting to our clients.
207  */
208 #define	SMB_CACHE_SIZE(s)	(((s) & 0x8000) ? \
209 	((uint32_t)((s) & 0x7FFF) * 64 * 1024) : ((uint32_t)(s) * 1024))
210 
211 #define	SMB_CACHE_EXT_SIZE(s)	(((s) & 0x80000000U) ?	\
212 	((uint64_t)((s) & 0x7FFFFFFFULL) * 64ULL * 1024ULL) :	\
213 	((uint64_t)(s) * 1024ULL))
214 
215 #define	SMB_CACHE_CFG_MODE(c)		(((c) >> 8) & 3)
216 #define	SMB_CACHE_CFG_ENABLED(c)	(((c) >> 7) & 1)
217 #define	SMB_CACHE_CFG_LOCATION(c)	(((c) >> 5) & 3)
218 #define	SMB_CACHE_CFG_SOCKETED(c)	(((c) >> 3) & 1)
219 #define	SMB_CACHE_CFG_LEVEL(c)		(((c) & 7) + 1)
220 
221 /*
222  * SMBIOS implementation structure for SMB_TYPE_PORT.
223  */
224 typedef struct smb_port {
225 	smb_header_t smbpo_hdr;		/* structure header */
226 	uint8_t smbpo_iref;		/* internal reference designator */
227 	uint8_t smbpo_itype;		/* internal connector type */
228 	uint8_t smbpo_eref;		/* external reference designator */
229 	uint8_t smbpo_etype;		/* external connector type */
230 	uint8_t smbpo_ptype;		/* port type */
231 } smb_port_t;
232 
233 /*
234  * SMBIOS implementation structure for SMB_TYPE_SLOT.
235  */
236 typedef struct smb_slot_peer {
237 	uint16_t smbspb_group_no;	/* segment group number */
238 	uint8_t smbspb_bus;		/* bus number */
239 	uint8_t smbspb_df;		/* device/function number */
240 	uint8_t smbspb_width;		/* electrical width */
241 } smb_slot_peer_t;
242 
243 typedef struct smb_slot {
244 	smb_header_t smbsl_hdr;		/* structure header */
245 	uint8_t smbsl_name;		/* reference designation */
246 	uint8_t smbsl_type;		/* slot type */
247 	uint8_t smbsl_width;		/* slot data bus width */
248 	uint8_t smbsl_usage;		/* current usage */
249 	uint8_t smbsl_length;		/* slot length */
250 	uint16_t smbsl_id;		/* slot ID */
251 	uint8_t smbsl_ch1;		/* slot characteristics 1 */
252 	uint8_t smbsl_ch2;		/* slot characteristics 2 */
253 	uint16_t smbsl_sg;		/* segment group number */
254 	uint8_t smbsl_bus;		/* bus number */
255 	uint8_t smbsl_df;		/* device/function number */
256 	/* Added in SMBIOS 3.2+ */
257 	uint8_t	smbsl_dbw;		/* Data bus width */
258 	uint8_t	smbsl_npeers;		/* Peer bdf groups */
259 	smb_slot_peer_t smbsl_peers[];	/* bifurcation peers */
260 	/* There are later additions in 3.4+, see smbios_slot_cont_t */
261 } smb_slot_t;
262 
263 /*
264  * After the variable number of smbsl_peers, the smbios_slot has continued in
265  * size and has the following members defined as of version 3.4. These occur
266  * starting at byte 14 + 5 * smbsl_npeers.
267  */
268 typedef struct smb_slot_cont {
269 	uint8_t smbsl_info;		/* slot info */
270 	uint8_t smbsl_pwidth;		/* slot physical width */
271 	uint16_t smbsl_pitch;		/* slot pitch */
272 	/* Added in SMBIOS 3.5 */
273 	uint8_t smbsl_height;		/* slot height */
274 } smb_slot_cont_t;
275 
276 /*
277  * The first byte that the smb_slot_cont_t is defined to start at. Note, this
278  * was originally indicated to be 0x14 in the SMBIOS 3.4 specification. This has
279  * been noted as an errata. Right now we assume that most things have the
280  * updated behavior in SMBIOS 3.5. However, if we encounter things in the wild
281  * that have the other offset then we will need to condition this on 3.4.
282  */
283 #define	SMB_SLOT_CONT_START	0x13
284 
285 /*
286  * SMBIOS implementation structure for SMB_TYPE_OBDEVS.
287  */
288 typedef struct smb_obdev {
289 	uint8_t smbob_type;		/* encoded type and enable bit */
290 	uint8_t smbob_name;		/* description string */
291 } smb_obdev_t;
292 
293 #define	SMB_OBT_ENABLED		0x80	/* enable bit within smbob_type */
294 
295 /*
296  * SMBIOS implementation structure for SMB_TYPE_OEMSTR, SMB_TYPE_SYSCONFSTR,
297  * and SMB_TYPE_LANG.
298  */
299 typedef struct smb_strtab {
300 	smb_header_t smbtb_hdr;		/* structure header */
301 	uint8_t smbtb_count;		/* number of strings */
302 } smb_strtab_t;
303 
304 /*
305  * SMBIOS implementation structure for SMB_TYPE_LANG.
306  */
307 typedef struct smb_lang {
308 	smb_header_t smblang_hdr;	/* structure header */
309 	uint8_t smblang_num;		/* number of installed languages */
310 	uint8_t smblang_flags;		/* flags */
311 	uint8_t smblang_resv[15];	/* reserved for future use */
312 	uint8_t smblang_cur;		/* current language string */
313 } smb_lang_t;
314 
315 /*
316  * SMBIOS implementation structure for SMB_TYPE_EVENTLOG.
317  */
318 typedef struct smb_sel {
319 	smb_header_t smbsel_hdr;	/* structure header */
320 	uint16_t smbsel_len;		/* log area length */
321 	uint16_t smbsel_hdroff;		/* header offset */
322 	uint16_t smbsel_dataoff;	/* data offset */
323 	uint8_t smbsel_method;		/* access method */
324 	uint8_t smbsel_status;		/* status flags */
325 	uint32_t smbsel_token;		/* change token */
326 	uint32_t smbsel_addr;		/* access method address */
327 	uint8_t smbsel_format;		/* header format */
328 	uint8_t smbsel_typec;		/* number of type descriptors */
329 	uint8_t smbsel_typesz;		/* size of each type descriptor */
330 	uint8_t smbsel_typev[1];	/* array of type descriptors */
331 } smb_sel_t;
332 
333 /*
334  * SMBIOS implementation structure for SMB_TYPE_MEMARRAY.
335  */
336 typedef struct smb_memarray {
337 	smb_header_t smbmarr_hdr;	/* structure header */
338 	uint8_t smbmarr_loc;		/* location */
339 	uint8_t smbmarr_use;		/* use */
340 	uint8_t smbmarr_ecc;		/* error detect/correct mechanism */
341 	uint32_t smbmarr_cap;		/* maximum capacity */
342 	uint16_t smbmarr_err;		/* error handle */
343 	uint16_t smbmarr_ndevs;		/* number of slots or sockets */
344 	uint64_t smbmarr_extcap;	/* extended maximum capacity */
345 } smb_memarray_t;
346 
347 /*
348  * SMBIOS implementation structure for SMB_TYPE_MEMARRAYMAP.
349  */
350 typedef struct smb_memarrmap {
351 	smb_header_t smbamap_hdr;	/* structure header */
352 	uint32_t smbamap_start;		/* starting address in kilobytes */
353 	uint32_t smbamap_end;		/* ending address in kilobytes */
354 	uint16_t smbamap_array;		/* physical memory array handle */
355 	uint8_t smbamap_width;		/* partition width */
356 	uint64_t smbamap_extstart;	/* extended starting address in bytes */
357 	uint64_t smbamap_extend;	/* extended ending address in bytes */
358 } smb_memarrmap_t;
359 
360 /*
361  * SMBIOS implementation structure for SMB_TYPE_MEMDEVICE.
362  */
363 typedef struct smb_memdevice {
364 	smb_header_t smbmdev_hdr;	/* structure header */
365 	uint16_t smbmdev_array;		/* array handle */
366 	uint16_t smbmdev_error;		/* error handle */
367 	uint16_t smbmdev_twidth;	/* total width */
368 	uint16_t smbmdev_dwidth;	/* data width */
369 	uint16_t smbmdev_size;		/* size in either K or MB */
370 	uint8_t smbmdev_form;		/* form factor */
371 	uint8_t smbmdev_set;		/* device set */
372 	uint8_t smbmdev_dloc;		/* device locator */
373 	uint8_t smbmdev_bloc;		/* bank locator */
374 	uint8_t smbmdev_type;		/* memory type */
375 	uint16_t smbmdev_flags;		/* detail flags */
376 	uint16_t smbmdev_speed;		/* speed in MT/s */
377 	uint8_t smbmdev_manufacturer;	/* manufacturer */
378 	uint8_t smbmdev_serial;		/* serial number */
379 	uint8_t smbmdev_asset;		/* asset tag */
380 	uint8_t smbmdev_part;		/* part number */
381 	uint8_t smbmdev_attrs;		/* attributes */
382 	uint32_t smbmdev_extsize;	/* extended size */
383 	uint16_t smbmdev_clkspeed;	/* configured clock speed */
384 	uint16_t smbmdev_minvolt;	/* minimum voltage */
385 	uint16_t smbmdev_maxvolt;	/* maximum voltage */
386 	uint16_t smbmdev_confvolt;	/* configured voltage */
387 	/* Added in SMBIOS 3.2 */
388 	uint8_t smbmdev_memtech;	/* memory technology */
389 	uint16_t smbmdev_opmode;	/* memory operating mode capability */
390 	uint8_t smbmdev_fwver;		/* firmware version */
391 	uint16_t smbmdev_modulemfgid;	/* module manufacturer ID */
392 	uint16_t smbmdev_moduleprodid;	/* module product ID */
393 	uint16_t smbmdev_memsysmfgid;	/* memory controller manufacturer id */
394 	uint16_t smbmdev_memsysprodid;	/* memory controller product id */
395 	uint64_t smbmdev_nvsize;	/* non-volatile memory size */
396 	uint64_t smbmdev_volsize;	/* volatile memory size */
397 	uint64_t smbmdev_cachesize;	/* cache size */
398 	uint64_t smbmdev_logicalsize;	/* logical size */
399 	/* Added in SMBIOS 3.3 */
400 	uint32_t smbmdev_extspeed;	/* Extended device speed */
401 	uint32_t smbmdev_extclkspeed;	/* Extended clock speed */
402 } smb_memdevice_t;
403 
404 #define	SMB_MDS_KBYTES		0x8000	/* size in specified in kilobytes */
405 
406 /*
407  * SMBIOS implementation structure for SMB_TYPE_MEMDEVICEMAP.
408  */
409 typedef struct smb_memdevmap {
410 	smb_header_t smbdmap_hdr;	/* structure header */
411 	uint32_t smbdmap_start;		/* starting address in kilobytes */
412 	uint32_t smbdmap_end;		/* ending address in kilobytes */
413 	uint16_t smbdmap_device;	/* memory device handle */
414 	uint16_t smbdmap_array;		/* memory array mapped address handle */
415 	uint8_t smbdmap_rpos;		/* row position */
416 	uint8_t smbdmap_ipos;		/* interleave position */
417 	uint8_t smbdmap_idepth;		/* interleave depth */
418 	uint64_t smbdmap_extstart;	/* extended starting address */
419 	uint64_t smbdmap_extend;	/* extended ending address */
420 } smb_memdevmap_t;
421 
422 typedef struct smb_pointdev {
423 	smb_header_t smbpdev_hdr;	/* structure header */
424 	uint8_t smbpdev_type;		/* device type */
425 	uint8_t smbpdev_iface;		/* device interface */
426 	uint8_t smbpdev_nbuttons;	/* number of buttons */
427 } smb_pointdev_t;
428 
429 /*
430  * SMBIOS implementation structure for SMB_TYPE_BATTERY.
431  */
432 typedef struct smb_battery {
433 	smb_header_t smbbat_hdr;	/* structure header */
434 	uint8_t smbbat_loc;		/* location */
435 	uint8_t smbbat_manufacturer;	/* manufacturer */
436 	uint8_t smbbat_date;		/* manufacture date */
437 	uint8_t smbbat_serial;		/* serial number */
438 	uint8_t smbbat_devname;		/* device name */
439 	uint8_t smbbat_chem;		/* device chemistry */
440 	uint16_t smbbat_cap;		/* design capacity in mW hours */
441 	uint16_t smbbat_volt;		/* design voltage in mV */
442 	uint8_t smbbat_version;		/* SBDS version string */
443 	uint8_t smbbat_err;		/* error percentage */
444 	uint16_t smbbat_ssn;		/* SBDS serial number */
445 	uint16_t smbbat_sdate;		/* SBDS manufacture date */
446 	uint8_t smbbat_schem;		/* SBDS chemistry string */
447 	uint8_t smbbat_mult;		/* design capacity multiplier */
448 	uint32_t smbbat_oemdata;	/* OEM-specific data */
449 } smb_battery_t;
450 
451 /*
452  * SMBIOS implementation structure for SMB_TYPE_SECURITY.
453  */
454 typedef struct smb_hwsec {
455 	smb_header_t smbhs_hdr;		/* structure header */
456 	uint8_t smbhs_settings;		/* settings byte */
457 } smb_hwsec_t;
458 
459 #define	SMB_HWS_PWR_PS(x)	(((x) & 0xC0) >> 6)
460 #define	SMB_HWS_KBD_PS(x)	(((x) & 0x30) >> 4)
461 #define	SMB_HWS_ADM_PS(x)	(((x) & 0x0C) >> 2)
462 #define	SMB_HWS_PAN_PS(x)	(((x) & 0x03) >> 0)
463 
464 /*
465  * SMBIOS implementation structure for SMB_TYPE_VPROBE.
466  */
467 typedef struct smb_vprobe {
468 	smb_header_t smbvpr_hdr;	/* structure header */
469 	uint8_t smbvpr_descr;		/* description string */
470 	uint8_t smbvpr_locstat;		/* location and status */
471 	uint16_t smbvpr_maxval;		/* maximum voltage */
472 	uint16_t smbvpr_minval;		/* minimum voltage */
473 	uint16_t smbvpr_resolution;	/* probe resolution */
474 	uint16_t smbvpr_tolerance;	/* probe tolerance */
475 	uint16_t smbvpr_accuracy;	/* probe accuracy */
476 	uint32_t smbvpr_oem;		/* vendor-specific data */
477 	uint16_t smbvpr_nominal;	/* nominal value */
478 } smb_vprobe_t;
479 
480 #define	SMB_VPROBE_MINLEN		0x14
481 #define	SMB_VPROBE_NOMINAL_MINLEN	0x16
482 
483 #define	SMB_VPROBE_LOCATION(x)	((x) & 0x1f)
484 #define	SMB_VPROBE_STATUS(x)	(((x) >> 5) & 0x7)
485 
486 /*
487  * SMBIOS implementation structure for SMB_TYPE_COOLDEV.
488  */
489 typedef struct smb_cooldev {
490 	smb_header_t smbcdev_hdr;	/* structure header */
491 	uint16_t smbcdev_tprobe;	/* temperature probe */
492 	uint8_t smbcdev_typstat;	/* type and status */
493 	uint8_t smbcdev_group;		/* group identifier */
494 	uint32_t smbcdev_oem;		/* vendor-specific data */
495 	uint16_t smbcdev_nominal;	/* nominal value */
496 	uint8_t smbcdev_descr;		/* description string */
497 } smb_cooldev_t;
498 
499 #define	SMB_COOLDEV_MINLEN		0x0c
500 #define	SMB_COOLDEV_NOMINAL_MINLEN	0x0e
501 #define	SMB_COOLDEV_DESCR_MINLEN	0x0f
502 
503 #define	SMB_COOLDEV_TYPE(x)	((x) & 0x1f)
504 #define	SMB_COOLDEV_STATUS(x)	(((x) >> 5) & 0x7)
505 
506 /*
507  * SMBIOS implementation structure for SMB_TYPE_TPROBE.
508  */
509 typedef struct smb_tprobe {
510 	smb_header_t smbtpr_hdr;	/* structure header */
511 	uint8_t smbtpr_descr;		/* description string */
512 	uint8_t smbtpr_locstat;		/* location and status */
513 	uint16_t smbtpr_maxval;		/* maximum temperature */
514 	uint16_t smbtpr_minval;		/* minimum temperature */
515 	uint16_t smbtpr_resolution;	/* probe resolution */
516 	uint16_t smbtpr_tolerance;	/* probe tolerance */
517 	uint16_t smbtpr_accuracy;	/* probe accuracy */
518 	uint32_t smbtpr_oem;		/* vendor-specific data */
519 	uint16_t smbtpr_nominal;	/* nominal value */
520 } smb_tprobe_t;
521 
522 #define	SMB_TPROBE_MINLEN		0x14
523 #define	SMB_TPROBE_NOMINAL_MINLEN	0x16
524 
525 #define	SMB_TPROBE_LOCATION(x)	((x) & 0x1f)
526 #define	SMB_TPROBE_STATUS(x)	(((x) >> 5) & 0x7)
527 
528 /*
529  * SMBIOS implementation structure for SMB_TYPE_IPROBE.
530  */
531 typedef struct smb_iprobe {
532 	smb_header_t smbipr_hdr;	/* structure header */
533 	uint8_t smbipr_descr;		/* description string */
534 	uint8_t smbipr_locstat;		/* location and status */
535 	uint16_t smbipr_maxval;		/* maximum current */
536 	uint16_t smbipr_minval;		/* minimum current */
537 	uint16_t smbipr_resolution;	/* probe resolution */
538 	uint16_t smbipr_tolerance;	/* probe tolerance */
539 	uint16_t smbipr_accuracy;	/* probe accuracy */
540 	uint32_t smbipr_oem;		/* vendor-specific data */
541 	uint16_t smbipr_nominal;	/* nominal value */
542 } smb_iprobe_t;
543 
544 #define	SMB_IPROBE_MINLEN		0x14
545 #define	SMB_IPROBE_NOMINAL_MINLEN	0x16
546 
547 #define	SMB_IPROBE_LOCATION(x)	((x) & 0x1f)
548 #define	SMB_IPROBE_STATUS(x)	(((x) >> 5) & 0x7)
549 
550 /*
551  * SMBIOS implementation structure for SMB_TYPE_BOOT.
552  */
553 typedef struct smb_boot {
554 	smb_header_t smbbo_hdr;		/* structure header */
555 	uint8_t smbbo_pad[6];		/* reserved for future use */
556 	uint8_t smbbo_status[1];	/* variable-length status buffer */
557 } smb_boot_t;
558 
559 /*
560  * SMBIOS implementation structure for SMB_TYPE_IPMIDEV.
561  */
562 typedef struct smb_ipmi {
563 	smb_header_t smbipm_hdr;	/* structure header */
564 	uint8_t smbipm_type;		/* interface type */
565 	uint8_t smbipm_spec;		/* specification revision */
566 	uint8_t smbipm_i2c;		/* i2C slave address */
567 	uint8_t smbipm_bus;		/* NV storage device bus ID */
568 	uint64_t smbipm_addr;		/* base address */
569 	uint8_t smbipm_info;		/* base address modifier/intr info */
570 	uint8_t smbipm_intr;		/* interrupt number */
571 } smb_ipmi_t;
572 
573 #define	SMB_IPM_SPEC_MAJOR(x)	(((x) & 0xF0) >> 4)
574 #define	SMB_IPM_SPEC_MINOR(x)	((x) & 0x0F)
575 
576 #define	SMB_IPM_ADDR_IO		1ULL
577 
578 #define	SMB_IPM_INFO_REGS(x)	(((x) & 0xC0) >> 6)
579 #define	SMB_IPM_INFO_LSB(x)	(((x) & 0x10) >> 4)
580 #define	SMB_IPM_INFO_ISPEC(x)	(((x) & 0x08) >> 3)
581 #define	SMB_IPM_INFO_IPOL(x)	(((x) & 0x02) >> 1)
582 #define	SMB_IPM_INFO_IMODE(x)	(((x) & 0x01) >> 0)
583 
584 #define	SMB_IPM_REGS_1B		0
585 #define	SMB_IPM_REGS_4B		1
586 #define	SMB_IPM_REGS_16B	2
587 
588 #define	SMB_IPM_IPOL_LO		0
589 #define	SMB_IPM_IPOL_HI		1
590 
591 #define	SMB_IPM_IMODE_EDGE	0
592 #define	SMB_IPM_IMODE_LEVEL	1
593 
594 /*
595  * SMBIOS implementation structure for SMB_TYPE_POWERSUP.
596  */
597 typedef struct smb_powersup {
598 	smb_header_t smbpsup_hdr;	/* structure header */
599 	uint8_t smbpsup_group;		/* group id */
600 	uint8_t smbpsup_loc;		/* location tag */
601 	uint8_t smbpsup_devname;	/* device name */
602 	uint8_t smbpsup_manufacturer;	/* manufacturer */
603 	uint8_t smbpsup_serial;		/* serial number */
604 	uint8_t smbpsup_asset;		/* asset tag */
605 	uint8_t smbpsup_part;		/* part number */
606 	uint8_t smbpsup_rev;		/* revision string */
607 	uint16_t smbpsup_max;		/* max output in milliwatts */
608 	uint16_t smbpsup_char;		/* characteristics */
609 	uint16_t smbpsup_vprobe;	/* voltage probe handle */
610 	uint16_t smbpsup_cooldev;	/* cooling device handle */
611 	uint16_t smbpsup_iprobe;	/* current probe handle */
612 } smb_powersup_t;
613 
614 #define	SMB_PSU_CHARS_ISHOT(x)		((x) & 0x01)
615 #define	SMB_PSU_CHARS_ISPRES(x)		((x) & 0x02)
616 #define	SMB_PSU_CHARS_ISUNPLUG(x)	((x) & 0x04)
617 #define	SMB_PSU_CHARS_IVRS(x)		(((x) >> 3) & 0xf)
618 #define	SMB_PSU_CHARS_STATUS(x)		(((x) >> 7) & 0x7)
619 #define	SMB_PSU_CHARS_TYPE(x)		(((x) >> 10) & 0xf)
620 
621 /*
622  * SMBIOS implementation structure for SMB_TYPE_OBDEVEXT.
623  */
624 typedef struct smb_obdev_ext {
625 	smb_header_t smbobe_hdr;	/* structure header */
626 	uint8_t smbobe_name;		/* reference designation */
627 	uint8_t smbobe_dtype;		/* device type */
628 	uint8_t smbobe_dti;		/* device type instance */
629 	uint16_t smbobe_sg;		/* segment group number */
630 	uint8_t smbobe_bus;		/* bus number */
631 	uint8_t smbobe_df;		/* device/function number */
632 } smb_obdev_ext_t;
633 
634 /*
635  * SMBIOS implementation structure for SMB_TYPE_PROCESSOR_INFO
636  */
637 typedef struct smb_processor_info {
638 	smb_header_t smbpai_hdr;	/* structure handle */
639 	uint16_t smbpai_proc;		/* processor handle */
640 	uint8_t smbpai_len;		/* length of processor specific data */
641 	uint8_t smbpai_type;		/* processor type */
642 	uint8_t smbpai_data[];		/* processor-specific block */
643 } smb_processor_info_t;
644 
645 typedef struct smb_processor_info_riscv {
646 	uint16_t smbpairv_vers;		/* structure revision */
647 	uint8_t smbpairv_len;		/* length of structure */
648 	uint8_t smbpairv_hartid[16];	/* id of the hart */
649 	uint8_t smbpairv_boot;		/* boot hart */
650 	uint8_t smbpairv_vendid[16];	/* machine vendor id */
651 	uint8_t smbpairv_archid[16];	/* arch vendor id */
652 	uint8_t smbpairv_machid[16];	/* machine impl id */
653 	uint32_t smbpairv_isa;		/* supported ISA */
654 	uint8_t smbpairv_privlvl;		/* supported privilege levels */
655 	uint8_t smbpairv_metdi[16];	/* Machine exception trap delegation */
656 	uint8_t smbpairv_mitdi[16];	/* Machine interrupt trap delegation */
657 	uint8_t smbpairv_xlen;		/* Register width */
658 	uint8_t smbpairv_mxlen;		/* Machine register width */
659 	uint8_t smbpairv_rsvd;		/* Reserved */
660 	uint8_t smbpairv_sxlen;		/* Supervisor register width */
661 	uint8_t smbpairv_uxlen;		/* User register width */
662 } smb_processor_info_riscv_t;
663 
664 /*
665  * SMBIOS implementation structure for SMBIOS_TYPE_FWINFO.
666  */
667 typedef struct smb_fwinfo {
668 	smb_header_t smbfwii_hdr;	/* structure handle */
669 	uint8_t smbfwii_name;		/* Firmware component name */
670 	uint8_t smbfwii_vers;		/* Firmware version */
671 	uint8_t smbfwii_vers_fmt;	/* Version format */
672 	uint8_t smbfwii_id;		/* Firmware ID */
673 	uint8_t smbfwii_id_fmt;		/* Firmware ID format */
674 	uint8_t smbfwii_reldate;	/* Release Date */
675 	uint8_t smbfwii_mfg;		/* Manufacturer */
676 	uint8_t smbfwii_lsv;		/* Lowest supported version */
677 	uint64_t smbfwii_imgsz;		/* Image size */
678 	uint16_t smbfwii_chars;		/* Characteristics */
679 	uint8_t smbfwii_state;		/* State */
680 	uint8_t smbfwii_ncomps;		/* Number of associated components */
681 	uint16_t smbfwii_comps[];	/* Variable handles */
682 } smb_fwinfo_t;
683 
684 /*
685  * SMBIOS implementation structure for SMBIOS_TYPE_STRPROP.
686  */
687 typedef struct smb_strprop {
688 	smb_header_t smbstrp_hdr;	/* structure handle */
689 	uint16_t smbstrp_prop_id;	/* string property ID */
690 	uint8_t smbstrp_prop_val;	/* string property value */
691 	uint16_t smbstrp_phdl;		/* parent handle */
692 } smb_strprop_t;
693 
694 /*
695  * SMBIOS implementation structure for SUN_OEM_EXT_PROCESSOR.
696  */
697 typedef struct smb_processor_ext {
698 	smb_header_t smbpre_hdr;	/* structure header */
699 	uint16_t smbpre_processor;	/* processor handle */
700 	uint8_t smbpre_fru;		/* FRU indicator */
701 	uint8_t smbpre_n;		/* number of APIC IDs */
702 	uint16_t smbpre_apicid[1];	/* strand initial apic id */
703 } smb_processor_ext_t;
704 
705 /*
706  * SMBIOS implementation structure for SUN_OEM_EXT_PORT.
707  */
708 typedef struct smb_port_ext {
709 	smb_header_t smbpoe_hdr;	/* structure header */
710 	uint16_t smbpoe_chassis;	/* chassis handle */
711 	uint16_t smbpoe_port;		/* port connector handle */
712 	uint8_t smbpoe_dtype;		/* device type */
713 	uint16_t smbpoe_devhdl;		/* device handle */
714 	uint8_t smbpoe_phy;		/* PHY number */
715 } smb_port_ext_t;
716 
717 /*
718  * SMBIOS implementation structure for SUN_OEM_PCIEXRC.
719  */
720 typedef struct smb_pciexrc {
721 	smb_header_t smbpciexrc_hdr;	/* structure header */
722 	uint16_t smbpciexrc_bboard;	/* base board handle */
723 	uint16_t smbpciexrc_bdf;	/* PCI Bus/Dev/Func */
724 } smb_pciexrc_t;
725 
726 /*
727  * SMBIOS implementation structure for SUN_OEM_EXT_MEMARRAY.
728  */
729 typedef struct smb_memarray_ext {
730 	smb_header_t smbmarre_hdr;	/* structure header */
731 	uint16_t smbmarre_ma;		/* memory array handle */
732 	uint16_t smbmarre_component;	/* component parent handle */
733 	uint16_t smbmarre_bdf;		/* PCI bus/dev/funct */
734 } smb_memarray_ext_t;
735 
736 /*
737  * SMBIOS implementation structure for SUN_OEM_EXT_MEMDEVICE.
738  */
739 typedef struct smb_memdevice_ext {
740 	smb_header_t smbmdeve_hdr;	/* structure header */
741 	uint16_t smbmdeve_mdev;		/* memory device handle */
742 	uint8_t smbmdeve_dchan;		/* DRAM channel */
743 	uint8_t smbmdeve_ncs;		/* number of chip select */
744 	uint8_t smbmdeve_cs[1];		/* chip selects */
745 } smb_memdevice_ext_t;
746 
747 #pragma pack()
748 
749 typedef struct smb_struct {
750 	const smb_header_t *smbst_hdr;	/* address of raw structure data */
751 	const uchar_t *smbst_str;	/* address of string data (if any) */
752 	const uchar_t *smbst_end;	/* address of 0x0000 ending tag */
753 	struct smb_struct *smbst_next;	/* next structure in hash chain */
754 	uint16_t *smbst_strtab;		/* string index -> offset table */
755 	uint_t smbst_strtablen;		/* length of smbst_strtab */
756 } smb_struct_t;
757 
758 struct smbios_hdl {
759 	smbios_entry_point_t sh_ent_type; /* structure table entry point type */
760 	smbios_entry_t sh_ent;		/* structure table entry point */
761 	uint_t sh_ent_stnum;		/* number of structure table entries */
762 	const void *sh_buf;		/* structure table buffer */
763 	size_t sh_buflen;		/* size of structure table buffer */
764 	smb_struct_t *sh_structs;	/* array of structure descriptors */
765 	uint_t sh_nstructs;		/* number of active structures */
766 	smb_struct_t **sh_hash;		/* hash bucket array for descriptors */
767 	uint_t sh_hashlen;		/* hash bucket array length */
768 	int sh_err;			/* error code for smbios_errno() */
769 	int sh_libvers;			/* library client abi version */
770 	int sh_smbvers;			/* derived underlying format version */
771 	uint_t sh_flags;		/* miscellaneous flags (see below) */
772 };
773 
774 #define	SMB_FL_DEBUG	0x1		/* print debug messages for this hdl */
775 #define	SMB_FL_BUFALLOC	0x2		/* sh_buf was allocated by library */
776 #define	SMB_FL_TRUNC	0x4		/* smbios table is truncated */
777 
778 #define	SMB_BIOS_DEVICE		"/dev/xsvc"	/* device w/ BIOS physmem */
779 #define	SMB_SMBIOS_DEVICE	"/dev/smbios"	/* device w/ SMBIOS image */
780 
781 #define	SMB_RANGE_START	0xF0000		/* start of physical address range */
782 #define	SMB_RANGE_LIMIT	0xFFFFF		/* limit of physical address range */
783 #define	SMB_SCAN_STEP	16		/* stepping by paragraph */
784 
785 #define	SMB_MAJMIN(M, m)	((((M) & 0xFF) << 8) | ((m) & 0xFF))
786 #define	SMB_MAJOR(v)		(((v) & 0xFF00) >> 8)
787 #define	SMB_MINOR(v)		(((v) & 0x00FF))
788 
789 #define	ESMB_BASE	1000		/* base value for libsmbios errnos */
790 
791 enum {
792 	ESMB_NOTFOUND = ESMB_BASE,	/* SMBIOS table not found on system */
793 	ESMB_MAPDEV,			/* failed to map SMBIOS table */
794 	ESMB_NOENT,			/* failed to locate structure */
795 	ESMB_NOMEM,			/* failed to allocate memory */
796 	ESMB_NOHDR,			/* failed to read SMBIOS header */
797 	ESMB_NOSTAB,			/* failed to read SMBIOS struct table */
798 	ESMB_NOINFO,			/* no common info for structure */
799 	ESMB_SHORT,			/* buffer length doesn't match header */
800 	ESMB_CORRUPT,			/* buffer struct or len is corrupt */
801 	ESMB_VERSION,			/* version not supported by library */
802 	ESMB_NOTSUP,			/* feature not supported by provider */
803 	ESMB_HEADER,			/* SMBIOS header corrupt or invalid */
804 	ESMB_OLD,			/* SMBIOS version is too old for us */
805 	ESMB_NEW,			/* SMBIOS version is too new for us */
806 	ESMB_CKSUM,			/* SMBIOS header checksum mismatch */
807 	ESMB_INVAL,			/* invalid function call argument */
808 	ESMB_TYPE,			/* structure type mismatch */
809 	ESMB_UNKNOWN			/* unknown error (maximum value tag) */
810 };
811 
812 extern const smb_struct_t *smb_lookup_type(smbios_hdl_t *, uint_t);
813 extern const smb_struct_t *smb_lookup_id(smbios_hdl_t *, uint_t);
814 extern const char *smb_strptr(const smb_struct_t *, uint_t);
815 extern int smb_gteq(smbios_hdl_t *, int);
816 extern int smb_libgteq(smbios_hdl_t *, int);
817 
818 extern int smb_set_errno(smbios_hdl_t *, int);
819 extern smbios_hdl_t *smb_open_error(smbios_hdl_t *, int *, int);
820 extern const char *smb_strerror(int);
821 
822 extern void *smb_alloc(size_t);
823 extern void *smb_zalloc(size_t);
824 extern void smb_free(void *, size_t);
825 
826 extern void smb_dprintf(smbios_hdl_t *, const char *, ...);
827 
828 extern int _smb_debug;
829 
830 /*
831  * The following series of structures represent the base versions of public
832  * structures that are used inside by the smbios routines. This allows the
833  * common code to properly know how much it should or should not bzero and how
834  * to handle additions to the spec. Types should only be added here if we need
835  * to extend the public structures in sys/smbios.h due to a change in the spec.
836  *
837  * Types here have the name smb_base_%s which corresponds to smbios_%s.
838  */
839 typedef struct smb_base_chassis {
840 	uint32_t smbbc_oemdata;		/* OEM-specific data */
841 	uint8_t smbbc_lock;		/* lock present? */
842 	uint8_t smbbc_type;		/* type */
843 	uint8_t smbbc_bustate;		/* boot-up state */
844 	uint8_t smbbc_psstate;		/* power supply state */
845 	uint8_t smbbc_thstate;		/* thermal state */
846 	uint8_t smbbc_security;		/* security status */
847 	uint8_t smbbc_uheight;		/* enclosure height in U's */
848 	uint8_t smbbc_cords;		/* number of power cords */
849 	uint8_t smbbc_elems;		/* number of element records (n) */
850 	uint8_t smbbc_elemlen;		/* length of contained element (m) */
851 } smb_base_chassis_t;
852 
853 typedef struct smb_base_processor {
854 	uint64_t smbbp_cpuid;		/* processor cpuid information */
855 	uint32_t smbbp_family;		/* processor family */
856 	uint8_t smbbp_type;		/* processor type (SMB_PRT_*) */
857 	uint8_t smbbp_voltage;		/* voltage (SMB_PRV_*) */
858 	uint8_t smbbp_status;		/* status (SMB_PRS_*) */
859 	uint8_t smbbp_upgrade;		/* upgrade (SMB_PRU_*) */
860 	uint32_t smbbp_clkspeed;	/* external clock speed in MHz */
861 	uint32_t smbbp_maxspeed;	/* maximum speed in MHz */
862 	uint32_t smbbp_curspeed;	/* current speed in MHz */
863 	id_t smbbp_l1cache;		/* L1 cache handle */
864 	id_t smbbp_l2cache;		/* L2 cache handle */
865 	id_t smbbp_l3cache;		/* L3 cache handle */
866 } smb_base_processor_t;
867 
868 typedef struct smb_base_memdevice {
869 	id_t smbbmd_array;		/* handle of physical memory array */
870 	id_t smbbmd_error;		/* handle of memory error data */
871 	uint32_t smbbmd_twidth;		/* total width in bits including ecc */
872 	uint32_t smbbmd_dwidth;		/* data width in bits */
873 	uint64_t smbbmd_size;		/* size in bytes (see note above) */
874 	uint8_t smbbmd_form;		/* form factor */
875 	uint8_t smbbmd_set;		/* set (0x00=none, 0xFF=unknown) */
876 	uint8_t smbbmd_type;		/* memory type */
877 	uint8_t smbbmd_pad;		/* padding */
878 	uint32_t smbbmd_flags;		/* flags (see below) */
879 	uint32_t smbbmd_speed;		/* speed in MHz */
880 	const char *smbbmd_dloc;	/* physical device locator string */
881 	const char *smbbmd_bloc;	/* physical bank locator string */
882 	uint8_t smbbmd_rank;		/* rank */
883 } smb_base_memdevice_t;
884 
885 typedef struct smb_base_bios {
886 	const char *smbbb_vendor;	/* bios vendor string */
887 	const char *smbbb_version;	/* bios version string */
888 	const char *smbbb_reldate;	/* bios release date */
889 	uint32_t smbbb_segment;		/* bios address segment location */
890 	uint32_t smbbb_romsize;		/* bios rom size in bytes */
891 	uint32_t smbbb_runsize;		/* bios image size in bytes */
892 	uint64_t smbbb_cflags;		/* bios characteristics */
893 	const uint8_t *smbbb_xcflags;	/* bios characteristics extensions */
894 	size_t smbbb_nxcflags;		/* number of smbb_xcflags[] bytes */
895 	smbios_version_t smbbb_biosv;	/* bios version */
896 	smbios_version_t smbbb_ecfwv;	/* bios embedded ctrl f/w version */
897 } smb_base_bios_t;
898 
899 typedef struct smb_base_cache {
900 	uint32_t smbba_maxsize;		/* maximum installed size in bytes */
901 	uint32_t smbba_size;		/* installed size in bytes */
902 	uint16_t smbba_stype;		/* supported SRAM types (SMB_CAT_*) */
903 	uint16_t smbba_ctype;		/* current SRAM type (SMB_CAT_*) */
904 	uint8_t smbba_speed;		/* speed in nanoseconds */
905 	uint8_t smbba_etype;		/* error correction type (SMB_CAE_*) */
906 	uint8_t smbba_ltype;		/* logical cache type (SMB_CAG_*) */
907 	uint8_t smbba_assoc;		/* associativity (SMB_CAA_*) */
908 	uint8_t smbba_level;		/* cache level */
909 	uint8_t smbba_mode;		/* cache mode (SMB_CAM_*) */
910 	uint8_t smbba_location;		/* cache location (SMB_CAL_*) */
911 	uint8_t smbba_flags;		/* cache flags (SMB_CAF_*) */
912 } smb_base_cache_t;
913 
914 typedef struct smb_base_slot {
915 	const char *smbbl_name;		/* reference designation */
916 	uint8_t smbbl_type;		/* slot type */
917 	uint8_t smbbl_width;		/* slot data bus width */
918 	uint8_t smbbl_usage;		/* current usage */
919 	uint8_t smbbl_length;		/* slot length */
920 	uint16_t smbbl_id;		/* slot ID */
921 	uint8_t smbbl_ch1;		/* slot characteristics 1 */
922 	uint8_t smbbl_ch2;		/* slot characteristics 2 */
923 	uint16_t smbbl_sg;		/* segment group number */
924 	uint8_t smbbl_bus;		/* bus number */
925 	uint8_t smbbl_df;		/* device/function number */
926 } smb_base_slot_t;
927 
928 /*
929  * Prior to reivison 3.5 of the library and interface we had embedded a 256 byte
930  * string for the SKU into here rather than pointing to constant data. This,
931  * combined withe bugs in the implementation, generally led to strings with
932  * garbage. As part of fixing this with the 3.5 support, we moved the struct to
933  * ve more inline with everything else.
934  */
935 typedef struct smb_chassis_pre35 {
936 	uint32_t smbc_oemdata;		/* OEM-specific data */
937 	uint8_t smbc_lock;		/* lock present? */
938 	uint8_t smbc_type;		/* type */
939 	uint8_t smbc_bustate;		/* boot-up state */
940 	uint8_t smbc_psstate;		/* power supply state */
941 	uint8_t smbc_thstate;		/* thermal state */
942 	uint8_t smbc_security;		/* security status */
943 	uint8_t smbc_uheight;		/* enclosure height in U's */
944 	uint8_t smbc_cords;		/* number of power cords */
945 	uint8_t smbc_elems;		/* number of element records (n) */
946 	uint8_t smbc_elemlen;		/* length of contained element (m) */
947 	char smbc_sku[256];
948 } smb_chassis_pre35_t;
949 
950 #ifdef	__cplusplus
951 }
952 #endif
953 
954 #endif	/* _SYS_SMBIOS_IMPL_H */
955