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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 SMBByte anchor[5];␊
39 SMBByte checksum;␊
40 SMBWord tableLength;␊
41 SMBDWord tableAddress;␊
42 SMBWord structureCount;␊
43 SMBByte bcdRevision;␊
44} __attribute__((packed)) DMIEntryPoint;␊
45␊
46typedef struct SMBEntryPoint {␊
47 SMBByte anchor[4];␊
48 SMBByte checksum;␊
49 SMBByte entryPointLength;␊
50 SMBByte majorVersion;␊
51 SMBByte minorVersion;␊
52 SMBWord maxStructureSize;␊
53 SMBByte entryPointRevision;␊
54 SMBByte formattedArea[5];␊
55 DMIEntryPoint dmi;␊
56} __attribute__((packed)) SMBEntryPoint;␊
57␊
58//␊
59// Header common to all SMBIOS structures␊
60//␊
61␊
62typedef struct SMBStructHeader {␊
63 SMBByte type;␊
64 SMBByte length;␊
65 SMBWord handle;␊
66} __attribute__((packed)) SMBStructHeader;␊
67␊
68#define SMB_STRUCT_HEADER SMBStructHeader header;␊
69␊
70typedef struct SMBAnchor␊
71{␊
72␉const SMBStructHeader *␉header;␊
73␉const uint8_t *␉␉␉next;␊
74␉const uint8_t *␉␉␉end;␊
75} SMBAnchor;␊
76␊
77#define SMB_ANCHOR_IS_VALID(x)␉\␊
78␉((x) && ((x)->header) && ((x)->next) && ((x)->end))␊
79␊
80#define SMB_ANCHOR_RESET(x)␉␉\␊
81␉bzero(x, sizeof(typedef struct SMBAnchor));␊
82␊
83//␊
84// SMBIOS structure types.␊
85//␊
86␊
87enum {␊
88 kSMBTypeBIOSInformation = 0,␊
89 kSMBTypeSystemInformation = 1,␊
90 kSMBTypeBaseBoard␉␉␉␉␉= 2,␊
91 kSMBTypeSystemEnclosure = 3,␊
92 kSMBTypeProcessorInformation = 4,␊
93 kSMBTypeMemoryModule = 6,␊
94 kSMBTypeCacheInformation = 7,␊
95 kSMBTypeSystemSlot = 9,␊
96 kSMBTypePhysicalMemoryArray = 16,␊
97 kSMBTypeMemoryDevice = 17,␊
98 kSMBType32BitMemoryErrorInfo = 18,␊
99 kSMBType64BitMemoryErrorInfo = 33,␊
100␊
101 kSMBTypeEndOfTable = 127,␊
102␊
103 /* Apple Specific Structures */␊
104 kSMBTypeFirmwareVolume = 128,␊
105 kSMBTypeMemorySPD = 130,␊
106 kSMBTypeOemProcessorType = 131,␊
107 kSMBTypeOemProcessorBusSpeed = 132␊
108};␊
109␊
110//␊
111// BIOS Information (Type 0) //min len 18+num_of_extChars. Max=18h=24␊
112//␊
113typedef struct SMBBIOSInformation {␊
114 SMB_STRUCT_HEADER // Type 0␊
115 SMBString vendor; // BIOS vendor name␊
116 SMBString version; // BIOS version␊
117 SMBWord startSegment; // BIOS segment start␊
118 SMBString releaseDate; // BIOS release date␊
119 SMBByte romSize; // (n); 64K * (n+1) bytes␊
120 SMBQWord characteristics; // supported BIOS functions␊
121␉SMBByte extChars[2];␉␉␉//BIOS Characteristics Extension Bytes␊
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 ␉// 2.5+ spec (38 bytes)␊
229␉SMBByte␉␉coreCount;␊
230␉SMBByte␉␉coreEnabled;␊
231␉SMBByte␉␉Threads;␊
232} __attribute__((packed)) SMBProcessorInformation;␊
233␊
234#define kSMBProcessorInformationMinSize 26␊
235␊
236typedef struct SMBMemoryControllerInfo {/* 3.3.6 Memory Controller Information (Type 5) */␊
237␉SMB_STRUCT_HEADER ␊
238␉SMBByte␉␉␉errorDetectingMethod;␊
239␉SMBByte␉␉␉errorCorrectingCapability;␊
240␉SMBByte␉␉␉supportedInterleave;␊
241␉SMBByte␉␉␉currentInterleave;␊
242␉SMBByte␉␉␉maxMemoryModuleSize;␊
243␉SMBWord␉␉␉supportedSpeeds;␊
244␉SMBWord␉␉␉supportedMemoryTypes;␊
245␉SMBByte␉␉␉memoryModuleVoltage;␊
246␉SMBByte␉␉␉numberOfMemorySlots;␊
247} __attribute__((packed)) SMBMemoryControllerInfo;␊
248␊
249//␊
250// Memory Module Information (Type 6)␊
251// Obsoleted since SMBIOS version 2.1␊
252//␊
253␊
254typedef struct SMBMemoryModule {␊
255 SMB_STRUCT_HEADER // Type 6␊
256 SMBString socketDesignation;␊
257 SMBByte bankConnections;␊
258 SMBByte currentSpeed;␊
259 SMBWord currentMemoryType;␊
260 SMBByte installedSize;␊
261 SMBByte enabledSize;␊
262 SMBByte errorStatus;␊
263} __attribute__((packed)) SMBMemoryModule;␊
264␊
265#define kSMBMemoryModuleSizeNotDeterminable 0x7D␊
266#define kSMBMemoryModuleSizeNotEnabled 0x7E␊
267#define kSMBMemoryModuleSizeNotInstalled 0x7F␊
268␊
269//␊
270// Cache Information (Type 7)␊
271//␊
272␊
273typedef struct SMBCacheInformation {␊
274 SMB_STRUCT_HEADER // Type 7␊
275 SMBString socketDesignation;␊
276 SMBWord cacheConfiguration;␊
277 SMBWord maximumCacheSize;␊
278 SMBWord installedSize;␊
279 SMBWord supportedSRAMType;␊
280 SMBWord currentSRAMType;␊
281 SMBByte cacheSpeed;␊
282 SMBByte errorCorrectionType;␊
283 SMBByte systemCacheType;␊
284 SMBByte associativity;␊
285} __attribute__((packed)) SMBCacheInformation;␊
286␊
287typedef struct SMBSystemSlot {␊
288 // 2.0+ spec (12 bytes)␊
289 SMB_STRUCT_HEADER // Type 9␊
290 SMBString slotDesignation;␊
291 SMBByte slotType;␊
292 SMBByte slotDataBusWidth;␊
293 SMBByte currentUsage;␊
294 SMBByte slotLength;␊
295 SMBWord slotID;␊
296 SMBByte slotCharacteristics1;␊
297 // 2.1+ spec (13 bytes)␊
298 SMBByte slotCharacteristics2;␊
299} __attribute__((packed)) SMBSystemSlot;␊
300␊
301//␊
302// Physical Memory Array (Type 16)␊
303//␊
304␊
305typedef struct SMBPhysicalMemoryArray {␊
306 // 2.1+ spec (15 bytes)␊
307 SMB_STRUCT_HEADER // Type 16␊
308 SMBByte physicalLocation; // physical location␊
309 SMBByte arrayUse; // the use for the memory array␊
310 SMBByte errorCorrection; // error correction/detection method␊
311 SMBDWord maximumCapacity; // maximum memory capacity in kilobytes␊
312 SMBWord errorHandle; // handle of a previously detected error␊
313 SMBWord numMemoryDevices; // number of memory slots or sockets␊
314} __attribute__((packed)) SMBPhysicalMemoryArray;␊
315␊
316// Memory Array - Use␊
317enum {␊
318 kSMBMemoryArrayUseOther = 0x01,␊
319 kSMBMemoryArrayUseUnknown = 0x02,␊
320 kSMBMemoryArrayUseSystemMemory = 0x03,␊
321 kSMBMemoryArrayUseVideoMemory = 0x04,␊
322 kSMBMemoryArrayUseFlashMemory = 0x05,␊
323 kSMBMemoryArrayUseNonVolatileMemory = 0x06,␊
324 kSMBMemoryArrayUseCacheMemory = 0x07␊
325};␊
326␊
327// Memory Array - Error Correction Types␊
328enum {␊
329 kSMBMemoryArrayErrorCorrectionTypeOther = 0x01,␊
330 kSMBMemoryArrayErrorCorrectionTypeUnknown = 0x02,␊
331 kSMBMemoryArrayErrorCorrectionTypeNone = 0x03,␊
332 kSMBMemoryArrayErrorCorrectionTypeParity = 0x04,␊
333 kSMBMemoryArrayErrorCorrectionTypeSingleBitECC = 0x05,␊
334 kSMBMemoryArrayErrorCorrectionTypeMultiBitECC = 0x06,␊
335 kSMBMemoryArrayErrorCorrectionTypeCRC = 0x07␊
336};␊
337␊
338//␊
339// Memory Device (Type 17)␊
340//␊
341␊
342typedef struct SMBMemoryDevice {␊
343 // 2.1+ spec (21 bytes)␊
344 SMB_STRUCT_HEADER // Type 17␊
345 SMBWord arrayHandle; // handle of the parent memory array␊
346 SMBWord errorHandle; // handle of a previously detected error␊
347 SMBWord totalWidth; // total width in bits; including ECC bits␊
348 SMBWord dataWidth; // data width in bits␊
349 SMBWord memorySize; // bit15 is scale, 0 = MB, 1 = KB␊
350 SMBByte formFactor; // memory device form factor␊
351 SMBByte deviceSet; // parent set of identical memory devices␊
352 SMBString deviceLocator; // labeled socket; e.g. "SIMM 3"␊
353 SMBString bankLocator; // labeled bank; e.g. "Bank 0" or "A"␊
354 SMBByte memoryType; // type of memory␊
355 SMBWord memoryTypeDetail; // additional detail on memory type␊
356 // 2.3+ spec (27 bytes)␊
357 SMBWord memorySpeed; // speed of device in MHz (0 for unknown)␊
358 SMBString manufacturer;␊
359 SMBString serialNumber;␊
360 SMBString assetTag;␊
361 SMBString partNumber;␊
362} __attribute__((packed)) SMBMemoryDevice;␊
363␊
364//␊
365// Firmware Volume Description (Apple Specific - Type 128)␊
366//␊
367␊
368enum {␊
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 SMB_STRUCT_HEADER // Type 128␊
387 SMBByte RegionCount;␊
388 SMBByte Reserved[3];␊
389 SMBDWord FirmwareFeatures;␊
390 SMBDWord FirmwareFeaturesMask;␊
391 SMBByte RegionType[ NUM_FLASHMAP_ENTRIES ];␊
392 FW_REGION_INFO FlashMap[ NUM_FLASHMAP_ENTRIES ];␊
393} __attribute__((packed)) SMBFirmwareVolume;␊
394␊
395//␊
396// Memory SPD Data (Apple Specific - Type 130)␊
397//␊
398␊
399typedef struct SMBMemorySPD {␊
400␉SMB_STRUCT_HEADER // Type 130␊
401␉SMBWord Type17Handle;␊
402␉SMBWord Offset;␊
403␉SMBWord Size;␊
404␉SMBWord Data[];␊
405} __attribute__((packed)) SMBMemorySPD;␊
406␊
407static const char *␊
408SMBMemoryDeviceTypes[] =␊
409{␊
410 "RAM", /* 00h Undefined */␊
411 "RAM", /* 01h Other */␊
412 "RAM", /* 02h Unknown */␊
413 "DRAM", /* 03h DRAM */␊
414 "EDRAM", /* 04h EDRAM */␊
415 "VRAM", /* 05h VRAM */␊
416 "SRAM", /* 06h SRAM */␊
417 "RAM", /* 07h RAM */␊
418 "ROM", /* 08h ROM */␊
419 "FLASH", /* 09h FLASH */␊
420 "EEPROM", /* 0Ah EEPROM */␊
421 "FEPROM", /* 0Bh FEPROM */␊
422 "EPROM", /* 0Ch EPROM */␊
423 "CDRAM", /* 0Dh CDRAM */␊
424 "3DRAM", /* 0Eh 3DRAM */␊
425 "SDRAM", /* 0Fh SDRAM */␊
426 "SGRAM", /* 10h SGRAM */␊
427 "RDRAM", /* 11h RDRAM */␊
428 "DDR SDRAM", /* 12h DDR */␊
429 "DDR2 SDRAM", /* 13h DDR2 */␊
430 "DDR2 FB-DIMM", /* 14h DDR2 FB-DIMM */␊
431 "RAM",␉␉␉/* 15h unused */␊
432 "RAM",␉␉␉/* 16h unused */␊
433 "RAM",␉␉␉/* 17h unused */␊
434 "DDR3",␉␉␉/* 18h DDR3, chosen in [5776134] */␊
435};␊
436␊
437static const int␊
438kSMBMemoryDeviceTypeCount = sizeof(SMBMemoryDeviceTypes) /␊
439 sizeof(SMBMemoryDeviceTypes[0]);␊
440␊
441//␊
442// OEM Processor Type (Apple Specific - Type 131)␊
443//␊
444␊
445typedef struct SMBOemProcessorType {␊
446␉SMB_STRUCT_HEADER␊
447␉SMBWord ProcessorType;␊
448} __attribute__((packed)) SMBOemProcessorType;␊
449␊
450//␊
451// OEM Processor Bus Speed (Apple Specific - Type 132)␊
452//␊
453typedef struct SMBOemProcessorBusSpeed {␊
454␉SMB_STRUCT_HEADER␊
455␉SMBWord ProcessorBusSpeed; // MT/s unit␊
456} __attribute__((packed)) SMBOemProcessorBusSpeed;␊
457␊
458//----------------------------------------------------------------------------------------------------------␊
459␊
460/* From Foundation/Efi/Guid/Smbios/SmBios.h */␊
461/* Modified to wrap Data4 array init with {} */␊
462#define EFI_SMBIOS_TABLE_GUID {0xeb9d2d31, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d}}␊
463␊
464#define SMBIOS_ORIGINAL␉␉0␊
465#define SMBIOS_PATCHED␉␉1␊
466␊
467extern void *getSmbios(int which);␊
468extern void readSMBIOSInfo(SMBEntryPoint *eps);␊
469extern void setupSMBIOSTable(void);␊
470␊
471extern void decodeSMBIOSTable(SMBEntryPoint *eps);␊
472extern char MacModel[8];␊
473extern unsigned int ModelRev;␊
474extern uint64_t smbios_p;␊
475␊
476␊
477␊
478#endif /* !__LIBSAIO_SMBIOS_H */␊
479

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