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

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