xref: /titanic_41/usr/src/uts/common/sys/smbios_impl.h (revision bb6fd8f9750a0c1d46a75c5bcc91952d3709334b)
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 2010 Sun Microsystems, Inc.  All rights reserved.
25  * Use is subject to license terms.
26  */
27 
28 /*
29  * This header file defines the implementation structures for the SMBIOS access
30  * library, libsmbios, and an equivalent kernel module.  Clients should use
31  * the <smbios.h> or <sys/smbios.h> header files to access DMTF SMBIOS
32  * information, NOT these underlying implementation structures from the spec.
33  * In short, do not user this header file or these routines for any purpose.
34  */
35 
36 #ifndef	_SYS_SMBIOS_IMPL_H
37 #define	_SYS_SMBIOS_IMPL_H
38 
39 #include <sys/smbios.h>
40 #include <sys/sysmacros.h>
41 
42 #ifdef _KERNEL
43 #include <sys/systm.h>
44 #else
45 #include <strings.h>
46 #include <stddef.h>
47 #endif
48 
49 #ifdef	__cplusplus
50 extern "C" {
51 #endif
52 
53 #pragma pack(1)
54 
55 typedef struct smb_header {
56 	uint8_t smbh_type;		/* structure type (SMB_TYPE_* value) */
57 	uint8_t smbh_len;		/* length in bytes of formatted area */
58 	uint16_t smbh_hdl;		/* structure handle */
59 } smb_header_t;
60 
61 typedef struct smb_bios {
62 	smb_header_t smbbi_hdr;		/* structure header */
63 	uint8_t smbbi_vendor;		/* bios vendor string */
64 	uint8_t smbbi_version;		/* bios version string */
65 	uint16_t smbbi_segment;		/* segment location of bios address */
66 	uint8_t smbbi_reldate;		/* bios release date */
67 	uint8_t smbbi_romsize;		/* bios rom size (64k * (n + 1)) */
68 	uint64_t smbbi_cflags;		/* bios characteristics */
69 	uint8_t smbbi_xcflags[1];	/* bios characteristics extensions */
70 } smb_bios_t;
71 
72 typedef struct smb_system {
73 	smb_header_t smbsi_hdr;		/* structure header */
74 	uint8_t smbsi_manufacturer;	/* manufacturer */
75 	uint8_t smbsi_product;		/* product name */
76 	uint8_t smbsi_version;		/* version */
77 	uint8_t smbsi_serial;		/* serial number */
78 	uint8_t smbsi_uuid[16];		/* UUID */
79 	uint8_t smbsi_wakeup;		/* wake-up type */
80 	uint8_t smbsi_sku;		/* SKU number */
81 	uint8_t smbsi_family;		/* family */
82 } smb_system_t;
83 
84 typedef struct smb_bboard {
85 	smb_header_t smbbb_hdr;		/* structure header */
86 	uint8_t smbbb_manufacturer;	/* manufacturer */
87 	uint8_t smbbb_product;		/* product name */
88 	uint8_t smbbb_version;		/* version */
89 	uint8_t smbbb_serial;		/* serial number */
90 	uint8_t smbbb_asset;		/* asset tag */
91 	uint8_t smbbb_flags;		/* feature flags */
92 	uint8_t smbbb_location;		/* location in chassis */
93 	uint16_t smbbb_chassis;		/* chassis handle */
94 	uint8_t smbbb_type;		/* board type */
95 	uint8_t smbbb_cn;		/* number of contained handles */
96 	uint16_t smbbb_cv[1];		/* array of contained handles */
97 } smb_bboard_t;
98 
99 typedef struct smb_chassis {
100 	smb_header_t smbch_hdr;		/* structure header */
101 	uint8_t smbch_manufacturer;	/* manufacturer */
102 	uint8_t smbch_type;		/* type */
103 	uint8_t smbch_version;		/* version */
104 	uint8_t smbch_serial;		/* serial number */
105 	uint8_t smbch_asset;		/* asset tag */
106 	uint8_t smbch_bustate;		/* boot-up state */
107 	uint8_t smbch_psstate;		/* power supply state */
108 	uint8_t smbch_thstate;		/* thermal state */
109 	uint8_t smbch_security;		/* security state */
110 	uint32_t smbch_oemdata;		/* OEM-specific data */
111 	uint8_t smbch_uheight;		/* enclosure height */
112 	uint8_t smbch_cords;		/* number of power cords */
113 	uint8_t smbch_cn;		/* number of contained records */
114 	uint8_t smbch_cm;		/* size of contained records */
115 	uint8_t smbch_cv[1];		/* array of contained records */
116 } smb_chassis_t;
117 
118 /* WARNING: the argument is evaluated three times! */
119 #define	SMB_CH_SKU(smbcp) ((char *) \
120 	(smbcp)->smbch_cv + ((smbcp)->smbch_cn * (smbcp)->smbch_cm))
121 #define	SMB_CHT_LOCK	0x80		/* lock bit within smbch_type */
122 
123 typedef struct smb_processor {
124 	smb_header_t smbpr_hdr;		/* structure header */
125 	uint8_t smbpr_socket;		/* socket designation */
126 	uint8_t smbpr_type;		/* processor type (see <smbios.h>) */
127 	uint8_t smbpr_family;		/* processor family (see <smbios.h>) */
128 	uint8_t smbpr_manufacturer;	/* manufacturer */
129 	uint64_t smbpr_cpuid;		/* processor cpuid information */
130 	uint8_t smbpr_version;		/* version */
131 	uint8_t smbpr_voltage;		/* voltage */
132 	uint16_t smbpr_clkspeed;	/* external clock speed in MHz */
133 	uint16_t smbpr_maxspeed;	/* maximum speed in MHz */
134 	uint16_t smbpr_curspeed;	/* current speed in MHz */
135 	uint8_t smbpr_status;		/* status (see <smbios.h>) */
136 	uint8_t smbpr_upgrade;		/* upgrade */
137 	uint16_t smbpr_l1cache;		/* L1 cache handle (if any) */
138 	uint16_t smbpr_l2cache;		/* L2 cache handle (if any) */
139 	uint16_t smbpr_l3cache;		/* L3 cache handle (if any) */
140 	uint8_t smbpr_serial;		/* serial number */
141 	uint8_t smbpr_asset;		/* asset tag */
142 	uint8_t smbpr_part;		/* part number */
143 	uint8_t smbpr_corecount;	/* number of cores per socket */
144 	uint8_t smbpr_coresenabled;	/* number of enabled cores per socket */
145 	uint8_t smbpr_threadcount;	/* number of threads per socket */
146 	uint16_t smbpr_cflags;	/* cpu characteristics (see <smbios.h>) */
147 	uint16_t smbpr_family2;		/* processor family2 (see <smbios.h>) */
148 } smb_processor_t;
149 
150 typedef struct smb_cache {
151 	smb_header_t smbca_hdr;		/* structure header */
152 	uint8_t smbca_socket;		/* socket designation */
153 	uint16_t smbca_config;		/* cache configuration */
154 	uint16_t smbca_maxsize;		/* maximum installed size */
155 	uint16_t smbca_size;		/* installed size */
156 	uint16_t smbca_stype;		/* supported SRAM type */
157 	uint16_t smbca_ctype;		/* current SRAM type */
158 	uint8_t smbca_speed;		/* speed in nanoseconds */
159 	uint8_t smbca_etype;		/* error correction type */
160 	uint8_t smbca_ltype;		/* logical cache type */
161 	uint8_t smbca_assoc;		/* associativity */
162 } smb_cache_t;
163 
164 /*
165  * Convert encoded cache size to bytes: DSP0134 Section 7.8 explains the
166  * encoding.  The highest bit is 0 for 1k units, 1 for 64k units, and this
167  * macro decodes the value into bytes for exporting to our clients.
168  */
169 #define	SMB_CACHE_SIZE(s)	(((s) & 0x8000) ? \
170 	((uint32_t)((s) & 0x7FFF) * 64 * 1024) : ((uint32_t)(s) * 1024))
171 
172 #define	SMB_CACHE_CFG_MODE(c)		(((c) >> 8) & 3)
173 #define	SMB_CACHE_CFG_ENABLED(c)	(((c) >> 7) & 1)
174 #define	SMB_CACHE_CFG_LOCATION(c)	(((c) >> 5) & 3)
175 #define	SMB_CACHE_CFG_SOCKETED(c)	(((c) >> 3) & 1)
176 #define	SMB_CACHE_CFG_LEVEL(c)		(((c) & 7) + 1)
177 
178 typedef struct smb_port {
179 	smb_header_t smbpo_hdr;		/* structure header */
180 	uint8_t smbpo_iref;		/* internal reference designator */
181 	uint8_t smbpo_itype;		/* internal connector type */
182 	uint8_t smbpo_eref;		/* external reference designator */
183 	uint8_t smbpo_etype;		/* external connector type */
184 	uint8_t smbpo_ptype;		/* port type */
185 } smb_port_t;
186 
187 typedef struct smb_slot {
188 	smb_header_t smbsl_hdr;		/* structure header */
189 	uint8_t smbsl_name;		/* reference designation */
190 	uint8_t smbsl_type;		/* slot type */
191 	uint8_t smbsl_width;		/* slot data bus width */
192 	uint8_t smbsl_usage;		/* current usage */
193 	uint8_t smbsl_length;		/* slot length */
194 	uint16_t smbsl_id;		/* slot ID */
195 	uint8_t smbsl_ch1;		/* slot characteristics 1 */
196 	uint8_t smbsl_ch2;		/* slot characteristics 2 */
197 	uint16_t smbsl_sg;		/* segment group number */
198 	uint8_t smbsl_bus;		/* bus number */
199 	uint8_t smbsl_df;		/* device/function number */
200 } smb_slot_t;
201 
202 typedef struct smb_obdev {
203 	uint8_t smbob_type;		/* encoded type and enable bit */
204 	uint8_t smbob_name;		/* description string */
205 } smb_obdev_t;
206 
207 #define	SMB_OBT_ENABLED		0x80	/* enable bit within smbob_type */
208 
209 typedef struct smb_strtab {
210 	smb_header_t smbtb_hdr;		/* structure header */
211 	uint8_t smbtb_count;		/* number of strings */
212 } smb_strtab_t;
213 
214 typedef struct smb_lang {
215 	smb_header_t smblang_hdr;	/* structure header */
216 	uint8_t smblang_num;		/* number of installed languages */
217 	uint8_t smblang_flags;		/* flags */
218 	uint8_t smblang_resv[15];	/* reserved for future use */
219 	uint8_t smblang_cur;		/* current language string */
220 } smb_lang_t;
221 
222 typedef struct smb_sel {
223 	smb_header_t smbsel_hdr;	/* structure header */
224 	uint16_t smbsel_len;		/* log area length */
225 	uint16_t smbsel_hdroff;		/* header offset */
226 	uint16_t smbsel_dataoff;	/* data offset */
227 	uint8_t smbsel_method;		/* access method */
228 	uint8_t smbsel_status;		/* status flags */
229 	uint32_t smbsel_token;		/* change token */
230 	uint32_t smbsel_addr;		/* access method address */
231 	uint8_t smbsel_format;		/* header format */
232 	uint8_t smbsel_typec;		/* number of type descriptors */
233 	uint8_t smbsel_typesz;		/* size of each type descriptor */
234 	uint8_t smbsel_typev[1];	/* array of type descriptors */
235 } smb_sel_t;
236 
237 typedef struct smb_memarray {
238 	smb_header_t smbmarr_hdr;	/* structure header */
239 	uint8_t smbmarr_loc;		/* location */
240 	uint8_t smbmarr_use;		/* use */
241 	uint8_t smbmarr_ecc;		/* error detect/correct mechanism */
242 	uint32_t smbmarr_cap;		/* maximum capacity */
243 	uint16_t smbmarr_err;		/* error handle */
244 	uint16_t smbmarr_ndevs;		/* number of slots or sockets */
245 	uint64_t smbmarr_extcap;	/* extended maximum capacity */
246 } smb_memarray_t;
247 
248 typedef struct smb_memarrmap {
249 	smb_header_t smbamap_hdr;	/* structure header */
250 	uint32_t smbamap_start;		/* starting address in kilobytes */
251 	uint32_t smbamap_end;		/* ending address in kilobytes */
252 	uint16_t smbamap_array;		/* physical memory array handle */
253 	uint8_t smbamap_width;		/* partition width */
254 	uint64_t smbamap_extstart;	/* extended starting address in bytes */
255 	uint64_t smbamap_extend;	/* extended ending address in bytes */
256 } smb_memarrmap_t;
257 
258 typedef struct smb_memdevice {
259 	smb_header_t smbmdev_hdr;	/* structure header */
260 	uint16_t smbmdev_array;		/* array handle */
261 	uint16_t smbmdev_error;		/* error handle */
262 	uint16_t smbmdev_twidth;	/* total width */
263 	uint16_t smbmdev_dwidth;	/* data width */
264 	uint16_t smbmdev_size;		/* size in either K or MB */
265 	uint8_t smbmdev_form;		/* form factor */
266 	uint8_t smbmdev_set;		/* device set */
267 	uint8_t smbmdev_dloc;		/* device locator */
268 	uint8_t smbmdev_bloc;		/* bank locator */
269 	uint8_t smbmdev_type;		/* memory type */
270 	uint16_t smbmdev_flags;		/* detail flags */
271 	uint16_t smbmdev_speed;		/* speed in MHz */
272 	uint8_t smbmdev_manufacturer;	/* manufacturer */
273 	uint8_t smbmdev_serial;		/* serial number */
274 	uint8_t smbmdev_asset;		/* asset tag */
275 	uint8_t smbmdev_part;		/* part number */
276 	uint8_t smbmdev_attrs;		/* attributes */
277 	uint32_t smbmdev_extsize;	/* extended size */
278 	uint16_t smbmdev_clkspeed;	/* configured clock speed */
279 	uint16_t smbmdev_minvolt;	/* minimum voltage */
280 	uint16_t smbmdev_maxvolt;	/* maximum voltage */
281 	uint16_t smbmdev_confvolt;	/* configured voltage */
282 } smb_memdevice_t;
283 
284 #define	SMB_MDS_KBYTES		0x8000	/* size in specified in kilobytes */
285 
286 typedef struct smb_memdevmap {
287 	smb_header_t smbdmap_hdr;	/* structure header */
288 	uint32_t smbdmap_start;		/* starting address in kilobytes */
289 	uint32_t smbdmap_end;		/* ending address in kilobytes */
290 	uint16_t smbdmap_device;	/* memory device handle */
291 	uint16_t smbdmap_array;		/* memory array mapped address handle */
292 	uint8_t smbdmap_rpos;		/* row position */
293 	uint8_t smbdmap_ipos;		/* interleave position */
294 	uint8_t smbdmap_idepth;		/* interleave depth */
295 	uint64_t smbdmap_extstart;	/* extended starting address */
296 	uint64_t smbdmap_extend;	/* extended ending address */
297 } smb_memdevmap_t;
298 
299 typedef struct smb_battery {
300 	smb_header_t smbbat_hdr;	/* structure header */
301 	uint8_t smbbat_loc;		/* location */
302 	uint8_t smbbat_manufacturer;	/* manufacturer */
303 	uint8_t smbbat_date;		/* manufacture date */
304 	uint8_t smbbat_serial;		/* serial number */
305 	uint8_t smbbat_devname;		/* device name */
306 	uint8_t smbbat_chem;		/* device chemistry */
307 	uint16_t smbbat_cap;		/* design capacity in mW hours */
308 	uint16_t smbbat_volt;		/* design voltage in mV */
309 	uint8_t smbbat_version;		/* SBDS version string */
310 	uint8_t smbbat_err;		/* error percentage */
311 	uint16_t smbbat_ssn;		/* SBDS serial number */
312 	uint16_t smbbat_sdate;		/* SBDS manufacture date */
313 	uint8_t smbbat_schem;		/* SBDS chemistry string */
314 	uint8_t smbbat_mult;		/* design capacity multiplier */
315 	uint32_t smbbat_oemdata;	/* OEM-specific data */
316 } smb_battery_t;
317 
318 typedef struct smb_hwsec {
319 	smb_header_t smbhs_hdr;		/* structure header */
320 	uint8_t smbhs_settings;		/* settings byte */
321 } smb_hwsec_t;
322 
323 #define	SMB_HWS_PWR_PS(x)	(((x) & 0xC0) >> 6)
324 #define	SMB_HWS_KBD_PS(x)	(((x) & 0x30) >> 4)
325 #define	SMB_HWS_ADM_PS(x)	(((x) & 0x0C) >> 2)
326 #define	SMB_HWS_PAN_PS(x)	(((x) & 0x03) >> 0)
327 
328 typedef struct smb_boot {
329 	smb_header_t smbbo_hdr;		/* structure header */
330 	uint8_t smbbo_pad[6];		/* reserved for future use */
331 	uint8_t smbbo_status[1];	/* variable-length status buffer */
332 } smb_boot_t;
333 
334 typedef struct smb_ipmi {
335 	smb_header_t smbipm_hdr;	/* structure header */
336 	uint8_t smbipm_type;		/* interface type */
337 	uint8_t smbipm_spec;		/* specification revision */
338 	uint8_t smbipm_i2c;		/* i2C slave address */
339 	uint8_t smbipm_bus;		/* NV storage device bus ID */
340 	uint64_t smbipm_addr;		/* base address */
341 	uint8_t smbipm_info;		/* base address modifier/intr info */
342 	uint8_t smbipm_intr;		/* interrupt number */
343 } smb_ipmi_t;
344 
345 #define	SMB_IPM_SPEC_MAJOR(x)	(((x) & 0xF0) >> 4)
346 #define	SMB_IPM_SPEC_MINOR(x)	((x) & 0x0F)
347 
348 #define	SMB_IPM_ADDR_IO		1ULL
349 
350 #define	SMB_IPM_INFO_REGS(x)	(((x) & 0xC0) >> 6)
351 #define	SMB_IPM_INFO_LSB(x)	(((x) & 0x10) >> 4)
352 #define	SMB_IPM_INFO_ISPEC(x)	(((x) & 0x08) >> 3)
353 #define	SMB_IPM_INFO_IPOL(x)	(((x) & 0x02) >> 1)
354 #define	SMB_IPM_INFO_IMODE(x)	(((x) & 0x01) >> 0)
355 
356 #define	SMB_IPM_REGS_1B		0
357 #define	SMB_IPM_REGS_4B		1
358 #define	SMB_IPM_REGS_16B	2
359 
360 #define	SMB_IPM_IPOL_LO		0
361 #define	SMB_IPM_IPOL_HI		1
362 
363 #define	SMB_IPM_IMODE_EDGE	0
364 #define	SMB_IPM_IMODE_LEVEL	1
365 
366 typedef struct smb_powersup {
367 	smb_header_t smbpsup_hdr;	/* structure header */
368 	uint8_t smbpsup_group;		/* group id */
369 	uint8_t smbpsup_loc;		/* location tag */
370 	uint8_t smbpsup_devname;	/* device name */
371 	uint8_t smbpsup_manufacturer;	/* manufacturer */
372 	uint8_t smbpsup_serial;		/* serial number */
373 	uint8_t smbpsup_asset;		/* asset tag */
374 	uint8_t smbpsup_part;		/* part number */
375 	uint8_t smbpsup_rev;		/* revision string */
376 	uint16_t smbpsup_max;		/* max output in milliwatts */
377 	uint16_t smbpsup_char;		/* characteristics */
378 	uint16_t smbpsup_vprobe;	/* voltage probe handle */
379 	uint16_t smbpsup_cooldev;	/* cooling device handle */
380 	uint16_t smbpsup_iprobe;	/* current probe handle */
381 } smb_powersup_t;
382 
383 typedef struct smb_obdev_ext {
384 	smb_header_t smbobe_hdr;	/* structure header */
385 	uint8_t smbobe_name;		/* reference designation */
386 	uint8_t smbobe_dtype;		/* device type */
387 	uint8_t smbobe_dti;		/* device type instance */
388 	uint16_t smbobe_sg;		/* segment group number */
389 	uint8_t smbobe_bus;		/* bus number */
390 	uint8_t smbobe_df;		/* device/function number */
391 } smb_obdev_ext_t;
392 
393 typedef struct smb_processor_ext {
394 	smb_header_t smbpre_hdr;	/* structure header */
395 	uint16_t smbpre_processor;	/* processor handle */
396 	uint8_t smbpre_fru;		/* FRU indicator */
397 	uint8_t smbpre_n;		/* number of APIC IDs */
398 	uint16_t smbpre_apicid[1];	/* strand initial apic id */
399 } smb_processor_ext_t;
400 
401 typedef struct smb_port_ext {
402 	smb_header_t smbpoe_hdr;	/* structure header */
403 	uint16_t smbpoe_chassis;	/* chassis handle */
404 	uint16_t smbpoe_port;		/* port connector handle */
405 	uint8_t smbpoe_dtype;		/* device type */
406 	uint16_t smbpoe_devhdl;		/* device handle */
407 	uint8_t smbpoe_phy;		/* PHY number */
408 } smb_port_ext_t;
409 
410 typedef struct smb_pciexrc {
411 	smb_header_t smbpciexrc_hdr;	/* structure header */
412 	uint16_t smbpciexrc_bboard;	/* base board handle */
413 	uint16_t smbpciexrc_bdf;	/* PCI Bus/Dev/Func */
414 } smb_pciexrc_t;
415 
416 typedef struct smb_memarray_ext {
417 	smb_header_t smbmarre_hdr;	/* structure header */
418 	uint16_t smbmarre_ma;		/* memory array handle */
419 	uint16_t smbmarre_component;	/* component parent handle */
420 	uint16_t smbmarre_bdf;		/* PCI bus/dev/funct */
421 } smb_memarray_ext_t;
422 
423 typedef struct smb_memdevice_ext {
424 	smb_header_t smbmdeve_hdr;	/* structure header */
425 	uint16_t smbmdeve_mdev;		/* memory device handle */
426 	uint8_t smbmdeve_dchan;		/* DRAM channel */
427 	uint8_t smbmdeve_ncs;		/* number of chip select */
428 	uint8_t smbmdeve_cs[1];		/* chip selects */
429 } smb_memdevice_ext_t;
430 
431 #pragma pack()
432 
433 typedef struct smb_struct {
434 	const smb_header_t *smbst_hdr;	/* address of raw structure data */
435 	const uchar_t *smbst_str;	/* address of string data (if any) */
436 	const uchar_t *smbst_end;	/* address of 0x0000 ending tag */
437 	struct smb_struct *smbst_next; 	/* next structure in hash chain */
438 	uint16_t *smbst_strtab;		/* string index -> offset table */
439 	uint_t smbst_strtablen;		/* length of smbst_strtab */
440 } smb_struct_t;
441 
442 struct smbios_hdl {
443 	smbios_entry_t sh_ent;		/* structure table entry point */
444 	const void *sh_buf;		/* structure table buffer */
445 	size_t sh_buflen;		/* size of structure table buffer */
446 	smb_struct_t *sh_structs;	/* array of structure descriptors */
447 	uint_t sh_nstructs;		/* number of active structures */
448 	smb_struct_t **sh_hash;		/* hash bucket array for descriptors */
449 	uint_t sh_hashlen;		/* hash bucket array length */
450 	int sh_err;			/* error code for smbios_errno() */
451 	int sh_libvers;			/* library client abi version */
452 	int sh_smbvers;			/* derived underlying format version */
453 	uint_t sh_flags;		/* miscellaneous flags (see below) */
454 };
455 
456 #define	SMB_FL_DEBUG	0x1		/* print debug messages for this hdl */
457 #define	SMB_FL_BUFALLOC	0x2		/* sh_buf was allocated by library */
458 
459 #define	SMB_BIOS_DEVICE		"/dev/xsvc"	/* device w/ BIOS physmem */
460 #define	SMB_SMBIOS_DEVICE	"/dev/smbios"	/* device w/ SMBIOS image */
461 
462 #define	SMB_RANGE_START	0xF0000		/* start of physical address range */
463 #define	SMB_RANGE_LIMIT	0xFFFFF		/* limit of physical address range */
464 
465 #define	SMB_MAJMIN(M, m)	((((M) & 0xFF) << 16) | ((m) & 0xFF))
466 #define	SMB_MAJOR(v)		(((v) & 0xFF00) >> 8)
467 #define	SMB_MINOR(v)		(((v) & 0x00FF))
468 
469 #define	ESMB_BASE	1000		/* base value for libsmbios errnos */
470 
471 enum {
472 	ESMB_NOTFOUND = ESMB_BASE,	/* SMBIOS table not found on system */
473 	ESMB_MAPDEV,			/* failed to map SMBIOS table */
474 	ESMB_NOENT,			/* failed to locate structure */
475 	ESMB_NOMEM,			/* failed to allocate memory */
476 	ESMB_NOHDR,			/* failed to read SMBIOS header */
477 	ESMB_NOSTAB,			/* failed to read SMBIOS struct table */
478 	ESMB_NOINFO,			/* no common info for structure */
479 	ESMB_SHORT,			/* buffer length doesn't match header */
480 	ESMB_CORRUPT,			/* buffer struct or len is corrupt */
481 	ESMB_VERSION,			/* version not supported by library */
482 	ESMB_NOTSUP,			/* feature not supported by provider */
483 	ESMB_HEADER,			/* SMBIOS header corrupt or invalid */
484 	ESMB_OLD,			/* SMBIOS version is too old for us */
485 	ESMB_NEW,			/* SMBIOS version is too new for us */
486 	ESMB_CKSUM,			/* SMBIOS header checksum mismatch */
487 	ESMB_INVAL,			/* invalid function call argument */
488 	ESMB_TYPE,			/* structure type mismatch */
489 	ESMB_UNKNOWN			/* unknown error (maximum value tag) */
490 };
491 
492 extern const smb_struct_t *smb_lookup_type(smbios_hdl_t *, uint_t);
493 extern const smb_struct_t *smb_lookup_id(smbios_hdl_t *, uint_t);
494 extern const char *smb_strptr(const smb_struct_t *, uint_t);
495 extern int smb_gteq(smbios_hdl_t *, int);
496 
497 extern int smb_set_errno(smbios_hdl_t *, int);
498 extern smbios_hdl_t *smb_open_error(smbios_hdl_t *, int *, int);
499 extern const char *smb_strerror(int);
500 
501 extern void *smb_alloc(size_t);
502 extern void *smb_zalloc(size_t);
503 extern void smb_free(void *, size_t);
504 
505 extern void smb_dprintf(smbios_hdl_t *, const char *, ...);
506 
507 extern int _smb_debug;
508 
509 #ifdef	__cplusplus
510 }
511 #endif
512 
513 #endif	/* _SYS_SMBIOS_IMPL_H */
514