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1/*␊
2 * Copyright (c) 1998-2009 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * The contents of this file constitute Original Code as defined in and␊
7 * are subject to the Apple Public Source License Version 1.1 (the␊
8 * "License"). You may not use this file except in compliance with the␊
9 * License. Please obtain a copy of the License at␊
10 * http://www.apple.com/publicsource and read it before using this file.␊
11 * ␊
12 * This Original Code and all software distributed under the License are␊
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊
17 * License for the specific language governing rights and limitations␊
18 * under the License.␊
19 * ␊
20 * @APPLE_LICENSE_HEADER_END@␊
21 */␊
22␊
23#ifndef __LIBSAIO_SMBIOS_H␊
24#define __LIBSAIO_SMBIOS_H␊
25␊
26#include <stdint.h>␊
27//␊
28// Based on System Management BIOS Reference Specification v2.5␊
29//␊
30␊
31typedef uint8_t SMBString;␊
32typedef uint8_t SMBByte;␊
33typedef uint16_t SMBWord;␊
34typedef uint32_t SMBDWord;␊
35typedef uint64_t SMBQWord;␊
36␊
37␊
38typedef struct DMIEntryPoint {␊
39 SMBByte anchor[5];␊
40 SMBByte checksum;␊
41 SMBWord tableLength;␊
42 SMBDWord tableAddress;␊
43 SMBWord structureCount;␊
44 SMBByte bcdRevision;␊
45} __attribute__((packed)) DMIEntryPoint;␊
46␊
47typedef struct SMBEntryPoint {␊
48 SMBByte anchor[4];␊
49 SMBByte checksum;␊
50 SMBByte entryPointLength;␊
51 SMBByte majorVersion;␊
52 SMBByte minorVersion;␊
53 SMBWord maxStructureSize;␊
54 SMBByte entryPointRevision;␊
55 SMBByte formattedArea[5];␊
56 DMIEntryPoint dmi;␊
57} __attribute__((packed)) SMBEntryPoint;␊
58␊
59//␊
60// Header common to all SMBIOS structures␊
61//␊
62␊
63typedef struct SMBStructHeader {␊
64 SMBByte type;␊
65 SMBByte length;␊
66 SMBWord handle;␊
67} __attribute__((packed)) SMBStructHeader;␊
68␊
69#define SMB_STRUCT_HEADER SMBStructHeader header;␊
70␊
71typedef struct SMBAnchor␊
72{␊
73␉const SMBStructHeader *␉header;␊
74␉const uint8_t *␉␉␉next;␊
75␉const uint8_t *␉␉␉end;␊
76} SMBAnchor;␊
77␊
78#define SMB_ANCHOR_IS_VALID(x)␉\␊
79␉((x) && ((x)->header) && ((x)->next) && ((x)->end))␊
80␊
81#define SMB_ANCHOR_RESET(x)␉␉\␊
82␉bzero(x, sizeof(typedef struct SMBAnchor));␊
83␊
84//␊
85// SMBIOS structure types.␊
86//␊
87␊
88enum {␊
89 kSMBTypeBIOSInformation = 0,␊
90 kSMBTypeSystemInformation = 1,␊
91 kSMBTypeBaseBoard␉␉␉␉␉= 2,␊
92 kSMBTypeSystemEnclosure = 3,␊
93 kSMBTypeProcessorInformation = 4,␊
94 kSMBTypeMemoryModule = 6,␊
95 kSMBTypeCacheInformation = 7,␊
96 kSMBTypeSystemSlot = 9,␊
97 kSMBTypePhysicalMemoryArray = 16,␊
98 kSMBTypeMemoryDevice = 17,␊
99 kSMBType32BitMemoryErrorInfo = 18,␊
100 kSMBType64BitMemoryErrorInfo = 33,␊
101␊
102 kSMBTypeEndOfTable = 127,␊
103␊
104 /* Apple Specific Structures */␊
105 kSMBTypeFirmwareVolume = 128,␊
106 kSMBTypeMemorySPD = 130,␊
107 kSMBTypeOemProcessorType = 131,␊
108 kSMBTypeOemProcessorBusSpeed = 132␊
109};␊
110␊
111//␊
112// BIOS Information (Type 0)␊
113//␊
114typedef struct SMBBIOSInformation {␊
115 SMB_STRUCT_HEADER // Type 0␊
116 SMBString vendor; // BIOS vendor name␊
117 SMBString version; // BIOS version␊
118 SMBWord startSegment; // BIOS segment start␊
119 SMBString releaseDate; // BIOS release date␊
120 SMBByte romSize; // (n); 64K * (n+1) bytes␊
121 SMBQWord characteristics; // supported BIOS functions␊
122} __attribute__((packed)) SMBBIOSInformation;␊
123␊
124//␊
125// System Information (Type 1)␊
126//␊
127␊
128typedef struct SMBSystemInformation {␊
129 // 2.0+ spec (8 bytes)␊
130 SMB_STRUCT_HEADER // Type 1␊
131 SMBString manufacturer;␊
132 SMBString productName;␊
133 SMBString version;␊
134 SMBString serialNumber;␊
135 // 2.1+ spec (25 bytes)␊
136 SMBByte uuid[16]; // can be all 0 or all 1's␊
137 SMBByte wakeupReason; // reason for system wakeup␊
138 // 2.4+ spec (27 bytes)␊
139 SMBString skuNumber;␊
140 SMBString family;␊
141} __attribute__((packed)) SMBSystemInformation;␊
142␊
143//␊
144// Base Board (Type 2)␊
145//␊
146␊
147typedef struct SMBBaseBoard {␊
148 SMB_STRUCT_HEADER // Type 2␊
149 SMBString␉manufacturer;␊
150 SMBString␉product;␊
151 SMBString␉version;␊
152 SMBString␉serialNumber;␊
153 SMBString␉assetTagNumber;␊
154 SMBByte␉␉featureFlags;␊
155 SMBString␉locationInChassis;␊
156 SMBWord␉␉chassisHandle;␊
157 SMBByte␉␉boardType;␊
158 SMBByte␉␉numberOfContainedHandles;␊
159␉// 0 - 255 contained handles go here but we do not include␊
160␉// them in our structure. Be careful to use numberOfContainedHandles␊
161␉// times sizeof(SMBWord) when computing the actual record size,␊
162␉// if you need it.␊
163} __attribute__((packed)) SMBBaseBoard;␊
164␊
165// Values for boardType in Type 2 records␊
166enum {␊
167 kSMBBaseBoardUnknown␉␉␉␉= 0x01,␊
168 kSMBBaseBoardOther␉␉␉␉␉= 0x02,␊
169 kSMBBaseBoardServerBlade␉␉␉= 0x03,␊
170 kSMBBaseBoardConnectivitySwitch␉␉= 0x04,␊
171 kSMBBaseBoardSystemMgmtModule␉␉= 0x05,␊
172 kSMBBaseBoardProcessorModule␉␉= 0x06,␊
173 kSMBBaseBoardIOModule␉␉␉␉= 0x07,␊
174 kSMBBaseBoardMemoryModule␉␉␉= 0x08,␊
175 kSMBBaseBoardDaughter␉␉␉␉= 0x09,␊
176 kSMBBaseBoardMotherboard␉␉␉= 0x0A,␊
177 kSMBBaseBoardProcessorMemoryModule␉= 0x0B,␊
178 kSMBBaseBoardProcessorIOModule␉␉= 0x0C,␊
179 kSMBBaseBoardInterconnect␉␉␉= 0x0D,␊
180};␊
181␊
182␊
183//␊
184// System Enclosure (Type 3)␊
185//␊
186␊
187typedef struct SMBSystemEnclosure {␊
188 SMB_STRUCT_HEADER // Type 3␊
189 SMBString manufacturer;␊
190 SMBByte type;␊
191 SMBString version;␊
192 SMBString serialNumber;␊
193 SMBString assetTagNumber;␊
194 SMBByte bootupState;␊
195 SMBByte powerSupplyState;␊
196 SMBByte thermalState;␊
197 SMBByte securityStatus;␊
198 SMBDWord oemDefined;␊
199} __attribute__((packed)) SMBSystemEnclosure;␊
200␊
201//␊
202// Processor Information (Type 4)␊
203//␊
204␊
205typedef struct SMBProcessorInformation {␊
206 // 2.0+ spec (26 bytes)␊
207 SMB_STRUCT_HEADER // Type 4␊
208 SMBString socketDesignation;␊
209 SMBByte processorType; // CPU = 3␊
210 SMBByte processorFamily; // processor family enum␊
211 SMBString manufacturer;␊
212 SMBQWord processorID; // based on CPUID␊
213 SMBString processorVersion;␊
214 SMBByte voltage; // bit7 cleared indicate legacy mode␊
215 SMBWord externalClock; // external clock in MHz␊
216 SMBWord maximumClock; // max internal clock in MHz␊
217 SMBWord currentClock; // current internal clock in MHz␊
218 SMBByte status;␊
219 SMBByte processorUpgrade; // processor upgrade enum␊
220 // 2.1+ spec (32 bytes)␊
221 SMBWord L1CacheHandle;␊
222 SMBWord L2CacheHandle;␊
223 SMBWord L3CacheHandle;␊
224 // 2.3+ spec (35 bytes)␊
225 SMBString serialNumber;␊
226 SMBString assetTag;␊
227 SMBString partNumber;␊
228} __attribute__((packed)) SMBProcessorInformation;␊
229␊
230#define kSMBProcessorInformationMinSize 26␊
231␊
232//␊
233// Memory Module Information (Type 6)␊
234// Obsoleted since SMBIOS version 2.1␊
235//␊
236␊
237typedef struct SMBMemoryModule {␊
238 SMB_STRUCT_HEADER // Type 6␊
239 SMBString socketDesignation;␊
240 SMBByte bankConnections;␊
241 SMBByte currentSpeed;␊
242 SMBWord currentMemoryType;␊
243 SMBByte installedSize;␊
244 SMBByte enabledSize;␊
245 SMBByte errorStatus;␊
246} __attribute__((packed)) SMBMemoryModule;␊
247␊
248#define kSMBMemoryModuleSizeNotDeterminable 0x7D␊
249#define kSMBMemoryModuleSizeNotEnabled 0x7E␊
250#define kSMBMemoryModuleSizeNotInstalled 0x7F␊
251␊
252//␊
253// Cache Information (Type 7)␊
254//␊
255␊
256typedef struct SMBCacheInformation {␊
257 SMB_STRUCT_HEADER // Type 7␊
258 SMBString socketDesignation;␊
259 SMBWord cacheConfiguration;␊
260 SMBWord maximumCacheSize;␊
261 SMBWord installedSize;␊
262 SMBWord supportedSRAMType;␊
263 SMBWord currentSRAMType;␊
264 SMBByte cacheSpeed;␊
265 SMBByte errorCorrectionType;␊
266 SMBByte systemCacheType;␊
267 SMBByte associativity;␊
268} __attribute__((packed)) SMBCacheInformation;␊
269␊
270typedef struct SMBSystemSlot {␊
271 // 2.0+ spec (12 bytes)␊
272 SMB_STRUCT_HEADER // Type 9␊
273 SMBString slotDesignation;␊
274 SMBByte slotType;␊
275 SMBByte slotDataBusWidth;␊
276 SMBByte currentUsage;␊
277 SMBByte slotLength;␊
278 SMBWord slotID;␊
279 SMBByte slotCharacteristics1;␊
280 // 2.1+ spec (13 bytes)␊
281 SMBByte slotCharacteristics2;␊
282} __attribute__((packed)) SMBSystemSlot;␊
283␊
284//␊
285// Physical Memory Array (Type 16)␊
286//␊
287␊
288typedef struct SMBPhysicalMemoryArray {␊
289 // 2.1+ spec (15 bytes)␊
290 SMB_STRUCT_HEADER // Type 16␊
291 SMBByte physicalLocation; // physical location␊
292 SMBByte arrayUse; // the use for the memory array␊
293 SMBByte errorCorrection; // error correction/detection method␊
294 SMBDWord maximumCapacity; // maximum memory capacity in kilobytes␊
295 SMBWord errorHandle; // handle of a previously detected error␊
296 SMBWord numMemoryDevices; // number of memory slots or sockets␊
297} __attribute__((packed)) SMBPhysicalMemoryArray;␊
298␊
299// Memory Array - Use␊
300enum {␊
301 kSMBMemoryArrayUseOther = 0x01,␊
302 kSMBMemoryArrayUseUnknown = 0x02,␊
303 kSMBMemoryArrayUseSystemMemory = 0x03,␊
304 kSMBMemoryArrayUseVideoMemory = 0x04,␊
305 kSMBMemoryArrayUseFlashMemory = 0x05,␊
306 kSMBMemoryArrayUseNonVolatileMemory = 0x06,␊
307 kSMBMemoryArrayUseCacheMemory = 0x07␊
308};␊
309␊
310// Memory Array - Error Correction Types␊
311enum {␊
312 kSMBMemoryArrayErrorCorrectionTypeOther = 0x01,␊
313 kSMBMemoryArrayErrorCorrectionTypeUnknown = 0x02,␊
314 kSMBMemoryArrayErrorCorrectionTypeNone = 0x03,␊
315 kSMBMemoryArrayErrorCorrectionTypeParity = 0x04,␊
316 kSMBMemoryArrayErrorCorrectionTypeSingleBitECC = 0x05,␊
317 kSMBMemoryArrayErrorCorrectionTypeMultiBitECC = 0x06,␊
318 kSMBMemoryArrayErrorCorrectionTypeCRC = 0x07␊
319};␊
320␊
321//␊
322// Memory Device (Type 17)␊
323//␊
324␊
325typedef struct SMBMemoryDevice {␊
326 // 2.1+ spec (21 bytes)␊
327 SMB_STRUCT_HEADER // Type 17␊
328 SMBWord arrayHandle; // handle of the parent memory array␊
329 SMBWord errorHandle; // handle of a previously detected error␊
330 SMBWord totalWidth; // total width in bits; including ECC bits␊
331 SMBWord dataWidth; // data width in bits␊
332 SMBWord memorySize; // bit15 is scale, 0 = MB, 1 = KB␊
333 SMBByte formFactor; // memory device form factor␊
334 SMBByte deviceSet; // parent set of identical memory devices␊
335 SMBString deviceLocator; // labeled socket; e.g. "SIMM 3"␊
336 SMBString bankLocator; // labeled bank; e.g. "Bank 0" or "A"␊
337 SMBByte memoryType; // type of memory␊
338 SMBWord memoryTypeDetail; // additional detail on memory type␊
339 // 2.3+ spec (27 bytes)␊
340 SMBWord memorySpeed; // speed of device in MHz (0 for unknown)␊
341 SMBString manufacturer;␊
342 SMBString serialNumber;␊
343 SMBString assetTag;␊
344 SMBString partNumber;␊
345} __attribute__((packed)) SMBMemoryDevice;␊
346␊
347//␊
348// Firmware Volume Description (Apple Specific - Type 128)␊
349//␊
350␊
351enum {␊
352 FW_REGION_RESERVED = 0,␊
353 FW_REGION_RECOVERY = 1,␊
354 FW_REGION_MAIN = 2,␊
355 FW_REGION_NVRAM = 3,␊
356 FW_REGION_CONFIG = 4,␊
357 FW_REGION_DIAGVAULT = 5,␊
358␊
359 NUM_FLASHMAP_ENTRIES = 8␊
360};␊
361␊
362typedef struct FW_REGION_INFO␊
363{␊
364 SMBDWord StartAddress;␊
365 SMBDWord EndAddress;␊
366} __attribute__((packed)) FW_REGION_INFO;␊
367␊
368typedef struct SMBFirmwareVolume {␊
369 SMB_STRUCT_HEADER // Type 128␊
370 SMBByte RegionCount;␊
371 SMBByte Reserved[3];␊
372 SMBDWord FirmwareFeatures;␊
373 SMBDWord FirmwareFeaturesMask;␊
374 SMBByte RegionType[ NUM_FLASHMAP_ENTRIES ];␊
375 FW_REGION_INFO FlashMap[ NUM_FLASHMAP_ENTRIES ];␊
376} __attribute__((packed)) SMBFirmwareVolume;␊
377␊
378//␊
379// Memory SPD Data (Apple Specific - Type 130)␊
380//␊
381␊
382typedef struct SMBMemorySPD {␊
383␉SMB_STRUCT_HEADER // Type 130␊
384␉SMBWord Type17Handle;␊
385␉SMBWord Offset;␊
386␉SMBWord Size;␊
387␉SMBWord Data[];␊
388} __attribute__((packed)) SMBMemorySPD;␊
389␊
390static const char *␊
391SMBMemoryDeviceTypes[] =␊
392{␊
393 "RAM", /* 00h Undefined */␊
394 "RAM", /* 01h Other */␊
395 "RAM", /* 02h Unknown */␊
396 "DRAM", /* 03h DRAM */␊
397 "EDRAM", /* 04h EDRAM */␊
398 "VRAM", /* 05h VRAM */␊
399 "SRAM", /* 06h SRAM */␊
400 "RAM", /* 07h RAM */␊
401 "ROM", /* 08h ROM */␊
402 "FLASH", /* 09h FLASH */␊
403 "EEPROM", /* 0Ah EEPROM */␊
404 "FEPROM", /* 0Bh FEPROM */␊
405 "EPROM", /* 0Ch EPROM */␊
406 "CDRAM", /* 0Dh CDRAM */␊
407 "3DRAM", /* 0Eh 3DRAM */␊
408 "SDRAM", /* 0Fh SDRAM */␊
409 "SGRAM", /* 10h SGRAM */␊
410 "RDRAM", /* 11h RDRAM */␊
411 "DDR SDRAM", /* 12h DDR */␊
412 "DDR2 SDRAM", /* 13h DDR2 */␊
413 "DDR2 FB-DIMM", /* 14h DDR2 FB-DIMM */␊
414 "RAM",␉␉␉/* 15h unused */␊
415 "RAM",␉␉␉/* 16h unused */␊
416 "RAM",␉␉␉/* 17h unused */␊
417 "DDR3",␉␉␉/* 18h DDR3, chosen in [5776134] */␊
418};␊
419␊
420static const int␊
421kSMBMemoryDeviceTypeCount = sizeof(SMBMemoryDeviceTypes) /␊
422 sizeof(SMBMemoryDeviceTypes[0]);␊
423␊
424//␊
425// OEM Processor Type (Apple Specific - Type 131)␊
426//␊
427␊
428typedef struct SMBOemProcessorType {␊
429␉SMB_STRUCT_HEADER␊
430␉SMBWord ProcessorType;␊
431} __attribute__((packed)) SMBOemProcessorType;␊
432␊
433//␊
434// OEM Processor Bus Speed (Apple Specific - Type 132)␊
435//␊
436typedef struct SMBOemProcessorBusSpeed {␊
437␉SMB_STRUCT_HEADER␊
438␉SMBWord ProcessorBusSpeed; // MT/s unit␊
439} __attribute__((packed)) SMBOemProcessorBusSpeed;␊
440#define SMBIOS_RANGE_START 0x000F0000␊
441#define SMBIOS_RANGE_END 0x000FFFFF␊
442␊
443#define NOT_AVAILABLE␉␉␉"N/A"␊
444␊
445//----------------------------------------------------------------------------------------------------------␊
446/* From smbios_getter */␊
447␊
448typedef enum {␊
449␉kSMBString,␊
450␉kSMBByte,␊
451␉kSMBWord,␊
452␉kSMBDWord␊
453␉//␉kSMBQWord␊
454} SMBValueType;␊
455␊
456typedef union {␊
457␉const char␉*string;␊
458␉uint8_t␉␉byte;␊
459␉uint16_t␉word;␊
460␉uint32_t␉dword;␊
461␉//␉uint64_t␉qword;␊
462} returnType;␊
463␊
464␊
465//----------------------------------------------------------------------------------------------------------␊
466␊
467/* From Foundation/Efi/Guid/Smbios/SmBios.h */␊
468/* Modified to wrap Data4 array init with {} */␊
469#define EFI_SMBIOS_TABLE_GUID {0xeb9d2d31, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d}}␊
470␊
471#define SMBIOS_ORIGINAL␉␉0␊
472#define SMBIOS_PATCHED␉␉1␊
473␊
474#endif /* !__LIBSAIO_SMBIOS_H */␊
475

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