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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 SMBWord charExtBytes; // supported BIOS functions␊
123 SMBByte smbiosMajorVer; // supported BIOS functions␊
124 SMBByte smbiosMinorVer; // supported BIOS functions␊
125} __attribute__((packed)) SMBBIOSInformation;␊
126␊
127//␊
128// System Information (Type 1)␊
129//␊
130␊
131typedef struct SMBSystemInformation {␊
132 // 2.0+ spec (8 bytes)␊
133 SMB_STRUCT_HEADER // Type 1␊
134 SMBString manufacturer;␊
135 SMBString productName;␊
136 SMBString version;␊
137 SMBString serialNumber;␊
138 // 2.1+ spec (25 bytes)␊
139 SMBByte uuid[16]; // can be all 0 or all 1's␊
140 SMBByte wakeupReason; // reason for system wakeup␊
141 // 2.4+ spec (27 bytes)␊
142 SMBString skuNumber;␊
143 SMBString family;␊
144} __attribute__((packed)) SMBSystemInformation;␊
145␊
146//␊
147// Base Board (Type 2)␊
148//␊
149␊
150typedef struct SMBBaseBoard {␊
151 SMB_STRUCT_HEADER // Type 2␊
152 SMBString␉manufacturer;␊
153 SMBString␉product;␊
154 SMBString␉version;␊
155 SMBString␉serialNumber;␊
156 SMBString␉assetTagNumber;␊
157 SMBByte␉␉featureFlags;␊
158 SMBString␉locationInChassis;␊
159 SMBWord␉␉chassisHandle;␊
160 SMBByte␉␉boardType;␊
161 SMBByte␉␉numberOfContainedHandles;␊
162␉// 0 - 255 contained handles go here but we do not include␊
163␉// them in our structure. Be careful to use numberOfContainedHandles␊
164␉// times sizeof(SMBWord) when computing the actual record size,␊
165␉// if you need it.␊
166} __attribute__((packed)) SMBBaseBoard;␊
167␊
168// Values for boardType in Type 2 records␊
169enum {␊
170 kSMBBaseBoardUnknown␉␉␉␉= 0x01,␊
171 kSMBBaseBoardOther␉␉␉␉␉= 0x02,␊
172 kSMBBaseBoardServerBlade␉␉␉= 0x03,␊
173 kSMBBaseBoardConnectivitySwitch␉␉= 0x04,␊
174 kSMBBaseBoardSystemMgmtModule␉␉= 0x05,␊
175 kSMBBaseBoardProcessorModule␉␉= 0x06,␊
176 kSMBBaseBoardIOModule␉␉␉␉= 0x07,␊
177 kSMBBaseBoardMemoryModule␉␉␉= 0x08,␊
178 kSMBBaseBoardDaughter␉␉␉␉= 0x09,␊
179 kSMBBaseBoardMotherboard␉␉␉= 0x0A,␊
180 kSMBBaseBoardProcessorMemoryModule␉= 0x0B,␊
181 kSMBBaseBoardProcessorIOModule␉␉= 0x0C,␊
182 kSMBBaseBoardInterconnect␉␉␉= 0x0D,␊
183};␊
184␊
185␊
186//␊
187// System Enclosure (Type 3)␊
188//␊
189␊
190typedef struct SMBSystemEnclosure {␊
191 SMB_STRUCT_HEADER // Type 3␊
192 SMBString manufacturer;␊
193 SMBByte type;␊
194 SMBString version;␊
195 SMBString serialNumber;␊
196 SMBString assetTagNumber;␊
197 SMBByte bootupState;␊
198 SMBByte powerSupplyState;␊
199 SMBByte thermalState;␊
200 SMBByte securityStatus;␊
201 SMBDWord oemDefined;␊
202} __attribute__((packed)) SMBSystemEnclosure;␊
203␊
204//␊
205// Processor Information (Type 4)␊
206//␊
207␊
208typedef struct SMBProcessorInformation {␊
209 // 2.0+ spec (26 bytes)␊
210 SMB_STRUCT_HEADER // Type 4␊
211 SMBString socketDesignation;␊
212 SMBByte processorType; // CPU = 3␊
213 SMBByte processorFamily; // processor family enum␊
214 SMBString manufacturer;␊
215 SMBQWord processorID; // based on CPUID␊
216 SMBString processorVersion;␊
217 SMBByte voltage; // bit7 cleared indicate legacy mode␊
218 SMBWord externalClock; // external clock in MHz␊
219 SMBWord maximumClock; // max internal clock in MHz␊
220 SMBWord currentClock; // current internal clock in MHz␊
221 SMBByte status;␊
222 SMBByte processorUpgrade; // processor upgrade enum␊
223 // 2.1+ spec (32 bytes)␊
224 SMBWord L1CacheHandle;␊
225 SMBWord L2CacheHandle;␊
226 SMBWord L3CacheHandle;␊
227 // 2.3+ spec (35 bytes)␊
228 SMBString serialNumber;␊
229 SMBString assetTag;␊
230 SMBString partNumber;␊
231} __attribute__((packed)) SMBProcessorInformation;␊
232␊
233#define kSMBProcessorInformationMinSize 26␊
234␊
235//␊
236// Memory Module Information (Type 6)␊
237// Obsoleted since SMBIOS version 2.1␊
238//␊
239␊
240typedef struct SMBMemoryModule {␊
241 SMB_STRUCT_HEADER // Type 6␊
242 SMBString socketDesignation;␊
243 SMBByte bankConnections;␊
244 SMBByte currentSpeed;␊
245 SMBWord currentMemoryType;␊
246 SMBByte installedSize;␊
247 SMBByte enabledSize;␊
248 SMBByte errorStatus;␊
249} __attribute__((packed)) SMBMemoryModule;␊
250␊
251#define kSMBMemoryModuleSizeNotDeterminable 0x7D␊
252#define kSMBMemoryModuleSizeNotEnabled 0x7E␊
253#define kSMBMemoryModuleSizeNotInstalled 0x7F␊
254␊
255//␊
256// Cache Information (Type 7)␊
257//␊
258␊
259typedef struct SMBCacheInformation {␊
260 SMB_STRUCT_HEADER // Type 7␊
261 SMBString socketDesignation;␊
262 SMBWord cacheConfiguration;␊
263 SMBWord maximumCacheSize;␊
264 SMBWord installedSize;␊
265 SMBWord supportedSRAMType;␊
266 SMBWord currentSRAMType;␊
267 SMBByte cacheSpeed;␊
268 SMBByte errorCorrectionType;␊
269 SMBByte systemCacheType;␊
270 SMBByte associativity;␊
271} __attribute__((packed)) SMBCacheInformation;␊
272␊
273typedef struct SMBSystemSlot {␊
274 // 2.0+ spec (12 bytes)␊
275 SMB_STRUCT_HEADER // Type 9␊
276 SMBString slotDesignation;␊
277 SMBByte slotType;␊
278 SMBByte slotDataBusWidth;␊
279 SMBByte currentUsage;␊
280 SMBByte slotLength;␊
281 SMBWord slotID;␊
282 SMBByte slotCharacteristics1;␊
283 // 2.1+ spec (13 bytes)␊
284 SMBByte slotCharacteristics2;␊
285} __attribute__((packed)) SMBSystemSlot;␊
286␊
287//␊
288// Physical Memory Array (Type 16)␊
289//␊
290␊
291typedef struct SMBPhysicalMemoryArray {␊
292 // 2.1+ spec (15 bytes)␊
293 SMB_STRUCT_HEADER // Type 16␊
294 SMBByte physicalLocation; // physical location␊
295 SMBByte arrayUse; // the use for the memory array␊
296 SMBByte errorCorrection; // error correction/detection method␊
297 SMBDWord maximumCapacity; // maximum memory capacity in kilobytes␊
298 SMBWord errorHandle; // handle of a previously detected error␊
299 SMBWord numMemoryDevices; // number of memory slots or sockets␊
300} __attribute__((packed)) SMBPhysicalMemoryArray;␊
301␊
302// Memory Array - Use␊
303enum {␊
304 kSMBMemoryArrayUseOther = 0x01,␊
305 kSMBMemoryArrayUseUnknown = 0x02,␊
306 kSMBMemoryArrayUseSystemMemory = 0x03,␊
307 kSMBMemoryArrayUseVideoMemory = 0x04,␊
308 kSMBMemoryArrayUseFlashMemory = 0x05,␊
309 kSMBMemoryArrayUseNonVolatileMemory = 0x06,␊
310 kSMBMemoryArrayUseCacheMemory = 0x07␊
311};␊
312␊
313// Memory Array - Error Correction Types␊
314enum {␊
315 kSMBMemoryArrayErrorCorrectionTypeOther = 0x01,␊
316 kSMBMemoryArrayErrorCorrectionTypeUnknown = 0x02,␊
317 kSMBMemoryArrayErrorCorrectionTypeNone = 0x03,␊
318 kSMBMemoryArrayErrorCorrectionTypeParity = 0x04,␊
319 kSMBMemoryArrayErrorCorrectionTypeSingleBitECC = 0x05,␊
320 kSMBMemoryArrayErrorCorrectionTypeMultiBitECC = 0x06,␊
321 kSMBMemoryArrayErrorCorrectionTypeCRC = 0x07␊
322};␊
323␊
324//␊
325// Memory Device (Type 17)␊
326//␊
327␊
328typedef struct SMBMemoryDevice {␊
329 // 2.1+ spec (21 bytes)␊
330 SMB_STRUCT_HEADER // Type 17␊
331 SMBWord arrayHandle; // handle of the parent memory array␊
332 SMBWord errorHandle; // handle of a previously detected error␊
333 SMBWord totalWidth; // total width in bits; including ECC bits␊
334 SMBWord dataWidth; // data width in bits␊
335 SMBWord memorySize; // bit15 is scale, 0 = MB, 1 = KB␊
336 SMBByte formFactor; // memory device form factor␊
337 SMBByte deviceSet; // parent set of identical memory devices␊
338 SMBString deviceLocator; // labeled socket; e.g. "SIMM 3"␊
339 SMBString bankLocator; // labeled bank; e.g. "Bank 0" or "A"␊
340 SMBByte memoryType; // type of memory␊
341 SMBWord memoryTypeDetail; // additional detail on memory type␊
342 // 2.3+ spec (27 bytes)␊
343 SMBWord memorySpeed; // speed of device in MHz (0 for unknown)␊
344 SMBString manufacturer;␊
345 SMBString serialNumber;␊
346 SMBString assetTag;␊
347 SMBString partNumber;␊
348} __attribute__((packed)) SMBMemoryDevice;␊
349␊
350//␊
351// Firmware Volume Description (Apple Specific - Type 128)␊
352//␊
353␊
354enum {␊
355 FW_REGION_RESERVED = 0,␊
356 FW_REGION_RECOVERY = 1,␊
357 FW_REGION_MAIN = 2,␊
358 FW_REGION_NVRAM = 3,␊
359 FW_REGION_CONFIG = 4,␊
360 FW_REGION_DIAGVAULT = 5,␊
361␊
362 NUM_FLASHMAP_ENTRIES = 8␊
363};␊
364␊
365typedef struct FW_REGION_INFO␊
366{␊
367 SMBDWord StartAddress;␊
368 SMBDWord EndAddress;␊
369} __attribute__((packed)) FW_REGION_INFO;␊
370␊
371typedef struct SMBFirmwareVolume {␊
372 SMB_STRUCT_HEADER // Type 128␊
373 SMBByte RegionCount;␊
374 SMBByte Reserved[3];␊
375 SMBDWord FirmwareFeatures;␊
376 SMBDWord FirmwareFeaturesMask;␊
377 SMBByte RegionType[ NUM_FLASHMAP_ENTRIES ];␊
378 FW_REGION_INFO FlashMap[ NUM_FLASHMAP_ENTRIES ];␊
379} __attribute__((packed)) SMBFirmwareVolume;␊
380␊
381//␊
382// Memory SPD Data (Apple Specific - Type 130)␊
383//␊
384␊
385typedef struct SMBMemorySPD {␊
386␉SMB_STRUCT_HEADER // Type 130␊
387␉SMBWord Type17Handle;␊
388␉SMBWord Offset;␊
389␉SMBWord Size;␊
390␉SMBWord Data[];␊
391} __attribute__((packed)) SMBMemorySPD;␊
392␊
393static const char *␊
394SMBMemoryDeviceTypes[] =␊
395{␊
396 "RAM", /* 00h Undefined */␊
397 "RAM", /* 01h Other */␊
398 "RAM", /* 02h Unknown */␊
399 "DRAM", /* 03h DRAM */␊
400 "EDRAM", /* 04h EDRAM */␊
401 "VRAM", /* 05h VRAM */␊
402 "SRAM", /* 06h SRAM */␊
403 "RAM", /* 07h RAM */␊
404 "ROM", /* 08h ROM */␊
405 "FLASH", /* 09h FLASH */␊
406 "EEPROM", /* 0Ah EEPROM */␊
407 "FEPROM", /* 0Bh FEPROM */␊
408 "EPROM", /* 0Ch EPROM */␊
409 "CDRAM", /* 0Dh CDRAM */␊
410 "3DRAM", /* 0Eh 3DRAM */␊
411 "SDRAM", /* 0Fh SDRAM */␊
412 "SGRAM", /* 10h SGRAM */␊
413 "RDRAM", /* 11h RDRAM */␊
414 "DDR SDRAM", /* 12h DDR */␊
415 "DDR2 SDRAM", /* 13h DDR2 */␊
416 "DDR2 FB-DIMM", /* 14h DDR2 FB-DIMM */␊
417 "RAM",␉␉␉/* 15h unused */␊
418 "RAM",␉␉␉/* 16h unused */␊
419 "RAM",␉␉␉/* 17h unused */␊
420 "DDR3",␉␉␉/* 18h DDR3, chosen in [5776134] */␊
421};␊
422␊
423static const int␊
424kSMBMemoryDeviceTypeCount = sizeof(SMBMemoryDeviceTypes) /␊
425 sizeof(SMBMemoryDeviceTypes[0]);␊
426␊
427//␊
428// OEM Processor Type (Apple Specific - Type 131)␊
429//␊
430␊
431typedef struct SMBOemProcessorType {␊
432␉SMB_STRUCT_HEADER␊
433␉SMBWord ProcessorType;␊
434} __attribute__((packed)) SMBOemProcessorType;␊
435␊
436//␊
437// OEM Processor Bus Speed (Apple Specific - Type 132)␊
438//␊
439typedef struct SMBOemProcessorBusSpeed {␊
440␉SMB_STRUCT_HEADER␊
441␉SMBWord ProcessorBusSpeed; // MT/s unit␊
442} __attribute__((packed)) SMBOemProcessorBusSpeed;␊
443#define SMBIOS_RANGE_START 0x000F0000␊
444#define SMBIOS_RANGE_END 0x000FFFFF␊
445␊
446#define NOT_AVAILABLE␉␉␉"N/A"␊
447␊
448//----------------------------------------------------------------------------------------------------------␊
449/* From smbios_getter */␊
450␊
451typedef enum {␊
452␉kSMBString,␊
453␉kSMBByte,␊
454␉kSMBWord,␊
455␉kSMBDWord␊
456␉//␉kSMBQWord␊
457} SMBValueType;␊
458␊
459typedef union {␊
460␉const char␉*string;␊
461␉uint8_t␉␉byte;␊
462␉uint16_t␉word;␊
463␉uint32_t␉dword;␊
464␉//␉uint64_t␉qword;␊
465} returnType;␊
466␊
467␊
468//----------------------------------------------------------------------------------------------------------␊
469␊
470/* From Foundation/Efi/Guid/Smbios/SmBios.h */␊
471/* Modified to wrap Data4 array init with {} */␊
472#define EFI_SMBIOS_TABLE_GUID {0xeb9d2d31, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d}}␊
473␊
474#define SMBIOS_ORIGINAL␉␉0␊
475#define SMBIOS_PATCHED␉␉1␊
476␊
477#endif /* !__LIBSAIO_SMBIOS_H */␊
478

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