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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_MYSMBIOS_H␊
24#define __LIBSAIO_MYSMBIOS_H␊
25␊
26#include "SMBIOS.h"␊
27#include "fake_efi.h"␊
28␊
29#define kSMBIOSdefaults␉␉"SMBIOSdefaults"␉␊
30␊
31extern uint64_t smbios_p;␊
32␊
33typedef struct SMBAnchor␊
34{␊
35␉const SMBStructHeader *␉header;␊
36␉const uint8_t *␉␉␉next;␊
37␉const uint8_t *␉␉␉end;␊
38} SMBAnchor;␊
39␊
40#define SMB_ANCHOR_IS_VALID(x)␉\␊
41␉((x) && ((x)->header) && ((x)->next) && ((x)->end))␊
42␊
43#define SMB_ANCHOR_RESET(x)␉␉\␊
44␉bzero(x, sizeof(typedef struct SMBAnchor));␊
45␊
46//␊
47// SMBIOS structure types.␊
48//␊
49␊
50enum {␊
51 kSMBTypeBIOSInformation = 0,␊
52 kSMBTypeSystemInformation = 1,␊
53 kSMBTypeBaseBoard␉␉␉␉␉= 2,␊
54 kSMBTypeSystemEnclosure = 3,␊
55 kSMBTypeProcessorInformation = 4,␊
56 kSMBTypeMemoryModule = 6,␊
57 kSMBTypeCacheInformation = 7,␊
58 kSMBTypeSystemSlot = 9,␊
59 kSMBTypePhysicalMemoryArray = 16,␊
60 kSMBTypeMemoryDevice = 17,␊
61 kSMBType32BitMemoryErrorInfo = 18,␊
62 kSMBType64BitMemoryErrorInfo = 33,␊
63␊
64 kSMBTypeEndOfTable = 127,␊
65␊
66 /* Apple Specific Structures */␊
67 kSMBTypeFirmwareVolume = 128,␊
68 kSMBTypeMemorySPD = 130,␊
69 kSMBTypeOemProcessorType = 131,␊
70 kSMBTypeOemProcessorBusSpeed = 132␊
71};␊
72␊
73//␊
74// BIOS Information (Type 0)␊
75//␊
76typedef struct SMBBIOSInformation {␊
77 SMB_STRUCT_HEADER // Type 0␊
78 SMBString vendor; // BIOS vendor name␊
79 SMBString version; // BIOS version␊
80 SMBWord startSegment; // BIOS segment start␊
81 SMBString releaseDate; // BIOS release date␊
82 SMBByte romSize; // (n); 64K * (n+1) bytes␊
83 SMBQWord characteristics; // supported BIOS functions␊
84} __attribute__((packed)) SMBBIOSInformation;␊
85␊
86//␊
87// Base Board (Type 2)␊
88//␊
89␊
90typedef struct SMBBaseBoard {␊
91 SMB_STRUCT_HEADER // Type 2␊
92 SMBString␉manufacturer;␊
93 SMBString␉product;␊
94 SMBString␉version;␊
95 SMBString␉serialNumber;␊
96 SMBString␉assetTagNumber;␊
97 SMBByte␉␉featureFlags;␊
98 SMBString␉locationInChassis;␊
99 SMBWord␉␉chassisHandle;␊
100 SMBByte␉␉boardType;␊
101 SMBByte␉␉numberOfContainedHandles;␊
102␉// 0 - 255 contained handles go here but we do not include␊
103␉// them in our structure. Be careful to use numberOfContainedHandles␊
104␉// times sizeof(SMBWord) when computing the actual record size,␊
105␉// if you need it.␊
106} __attribute__((packed)) SMBBaseBoard;␊
107␊
108// Values for boardType in Type 2 records␊
109enum {␊
110 kSMBBaseBoardUnknown␉␉␉␉= 0x01,␊
111 kSMBBaseBoardOther␉␉␉␉␉= 0x02,␊
112 kSMBBaseBoardServerBlade␉␉␉= 0x03,␊
113 kSMBBaseBoardConnectivitySwitch␉␉= 0x04,␊
114 kSMBBaseBoardSystemMgmtModule␉␉= 0x05,␊
115 kSMBBaseBoardProcessorModule␉␉= 0x06,␊
116 kSMBBaseBoardIOModule␉␉␉␉= 0x07,␊
117 kSMBBaseBoardMemoryModule␉␉␉= 0x08,␊
118 kSMBBaseBoardDaughter␉␉␉␉= 0x09,␊
119 kSMBBaseBoardMotherboard␉␉␉= 0x0A,␊
120 kSMBBaseBoardProcessorMemoryModule␉= 0x0B,␊
121 kSMBBaseBoardProcessorIOModule␉␉= 0x0C,␊
122 kSMBBaseBoardInterconnect␉␉␉= 0x0D,␊
123};␊
124␊
125␊
126//␊
127// System Enclosure (Type 3)␊
128//␊
129␊
130typedef struct SMBSystemEnclosure {␊
131 SMB_STRUCT_HEADER // Type 3␊
132 SMBString manufacturer;␊
133 SMBByte type;␊
134 SMBString version;␊
135 SMBString serialNumber;␊
136 SMBString assetTagNumber;␊
137 SMBByte bootupState;␊
138 SMBByte powerSupplyState;␊
139 SMBByte thermalState;␊
140 SMBByte securityStatus;␊
141 SMBDWord oemDefined;␊
142} __attribute__((packed)) SMBSystemEnclosure;␊
143␊
144//␊
145// Processor Information (Type 4)␊
146//␊
147␊
148typedef struct SMBProcessorInformation {␊
149 // 2.0+ spec (26 bytes)␊
150 SMB_STRUCT_HEADER // Type 4␊
151 SMBString socketDesignation;␊
152 SMBByte processorType; // CPU = 3␊
153 SMBByte processorFamily; // processor family enum␊
154 SMBString manufacturer;␊
155 SMBQWord processorID; // based on CPUID␊
156 SMBString processorVersion;␊
157 SMBByte voltage; // bit7 cleared indicate legacy mode␊
158 SMBWord externalClock; // external clock in MHz␊
159 SMBWord maximumClock; // max internal clock in MHz␊
160 SMBWord currentClock; // current internal clock in MHz␊
161 SMBByte status;␊
162 SMBByte processorUpgrade; // processor upgrade enum␊
163 // 2.1+ spec (32 bytes)␊
164 SMBWord L1CacheHandle;␊
165 SMBWord L2CacheHandle;␊
166 SMBWord L3CacheHandle;␊
167 // 2.3+ spec (35 bytes)␊
168 SMBString serialNumber;␊
169 SMBString assetTag;␊
170 SMBString partNumber;␊
171} __attribute__((packed)) SMBProcessorInformation;␊
172␊
173#define kSMBProcessorInformationMinSize 26␊
174␊
175//␊
176// Memory Module Information (Type 6)␊
177// Obsoleted since SMBIOS version 2.1␊
178//␊
179␊
180typedef struct SMBMemoryModule {␊
181 SMB_STRUCT_HEADER // Type 6␊
182 SMBString socketDesignation;␊
183 SMBByte bankConnections;␊
184 SMBByte currentSpeed;␊
185 SMBWord currentMemoryType;␊
186 SMBByte installedSize;␊
187 SMBByte enabledSize;␊
188 SMBByte errorStatus;␊
189} __attribute__((packed)) SMBMemoryModule;␊
190␊
191#define kSMBMemoryModuleSizeNotDeterminable 0x7D␊
192#define kSMBMemoryModuleSizeNotEnabled 0x7E␊
193#define kSMBMemoryModuleSizeNotInstalled 0x7F␊
194␊
195//␊
196// Cache Information (Type 7)␊
197//␊
198␊
199typedef struct SMBCacheInformation {␊
200 SMB_STRUCT_HEADER // Type 7␊
201 SMBString socketDesignation;␊
202 SMBWord cacheConfiguration;␊
203 SMBWord maximumCacheSize;␊
204 SMBWord installedSize;␊
205 SMBWord supportedSRAMType;␊
206 SMBWord currentSRAMType;␊
207 SMBByte cacheSpeed;␊
208 SMBByte errorCorrectionType;␊
209 SMBByte systemCacheType;␊
210 SMBByte associativity;␊
211} __attribute__((packed)) SMBCacheInformation;␊
212␊
213typedef struct SMBSystemSlot {␊
214 // 2.0+ spec (12 bytes)␊
215 SMB_STRUCT_HEADER // Type 9␊
216 SMBString slotDesignation;␊
217 SMBByte slotType;␊
218 SMBByte slotDataBusWidth;␊
219 SMBByte currentUsage;␊
220 SMBByte slotLength;␊
221 SMBWord slotID;␊
222 SMBByte slotCharacteristics1;␊
223 // 2.1+ spec (13 bytes)␊
224 SMBByte slotCharacteristics2;␊
225} __attribute__((packed)) SMBSystemSlot;␊
226␊
227//␊
228// Physical Memory Array (Type 16)␊
229//␊
230␊
231typedef struct SMBPhysicalMemoryArray {␊
232 // 2.1+ spec (15 bytes)␊
233 SMB_STRUCT_HEADER // Type 16␊
234 SMBByte physicalLocation; // physical location␊
235 SMBByte arrayUse; // the use for the memory array␊
236 SMBByte errorCorrection; // error correction/detection method␊
237 SMBDWord maximumCapacity; // maximum memory capacity in kilobytes␊
238 SMBWord errorHandle; // handle of a previously detected error␊
239 SMBWord numMemoryDevices; // number of memory slots or sockets␊
240} __attribute__((packed)) SMBPhysicalMemoryArray;␊
241␊
242// Memory Array - Use␊
243enum {␊
244 kSMBMemoryArrayUseOther = 0x01,␊
245 kSMBMemoryArrayUseUnknown = 0x02,␊
246 kSMBMemoryArrayUseSystemMemory = 0x03,␊
247 kSMBMemoryArrayUseVideoMemory = 0x04,␊
248 kSMBMemoryArrayUseFlashMemory = 0x05,␊
249 kSMBMemoryArrayUseNonVolatileMemory = 0x06,␊
250 kSMBMemoryArrayUseCacheMemory = 0x07␊
251};␊
252␊
253// Memory Array - Error Correction Types␊
254enum {␊
255 kSMBMemoryArrayErrorCorrectionTypeOther = 0x01,␊
256 kSMBMemoryArrayErrorCorrectionTypeUnknown = 0x02,␊
257 kSMBMemoryArrayErrorCorrectionTypeNone = 0x03,␊
258 kSMBMemoryArrayErrorCorrectionTypeParity = 0x04,␊
259 kSMBMemoryArrayErrorCorrectionTypeSingleBitECC = 0x05,␊
260 kSMBMemoryArrayErrorCorrectionTypeMultiBitECC = 0x06,␊
261 kSMBMemoryArrayErrorCorrectionTypeCRC = 0x07␊
262};␊
263␊
264//␊
265// Memory Device (Type 17)␊
266//␊
267␊
268typedef struct SMBMemoryDevice {␊
269 // 2.1+ spec (21 bytes)␊
270 SMB_STRUCT_HEADER // Type 17␊
271 SMBWord arrayHandle; // handle of the parent memory array␊
272 SMBWord errorHandle; // handle of a previously detected error␊
273 SMBWord totalWidth; // total width in bits; including ECC bits␊
274 SMBWord dataWidth; // data width in bits␊
275 SMBWord memorySize; // bit15 is scale, 0 = MB, 1 = KB␊
276 SMBByte formFactor; // memory device form factor␊
277 SMBByte deviceSet; // parent set of identical memory devices␊
278 SMBString deviceLocator; // labeled socket; e.g. "SIMM 3"␊
279 SMBString bankLocator; // labeled bank; e.g. "Bank 0" or "A"␊
280 SMBByte memoryType; // type of memory␊
281 SMBWord memoryTypeDetail; // additional detail on memory type␊
282 // 2.3+ spec (27 bytes)␊
283 SMBWord memorySpeed; // speed of device in MHz (0 for unknown)␊
284 SMBString manufacturer;␊
285 SMBString serialNumber;␊
286 SMBString assetTag;␊
287 SMBString partNumber;␊
288} __attribute__((packed)) SMBMemoryDevice;␊
289␊
290//␊
291// Firmware Volume Description (Apple Specific - Type 128)␊
292//␊
293␊
294enum {␊
295 FW_REGION_RESERVED = 0,␊
296 FW_REGION_RECOVERY = 1,␊
297 FW_REGION_MAIN = 2,␊
298 FW_REGION_NVRAM = 3,␊
299 FW_REGION_CONFIG = 4,␊
300 FW_REGION_DIAGVAULT = 5,␊
301␊
302 NUM_FLASHMAP_ENTRIES = 8␊
303};␊
304␊
305typedef struct FW_REGION_INFO␊
306{␊
307 SMBDWord StartAddress;␊
308 SMBDWord EndAddress;␊
309} __attribute__((packed)) FW_REGION_INFO;␊
310␊
311typedef struct SMBFirmwareVolume {␊
312 SMB_STRUCT_HEADER // Type 128␊
313 SMBByte RegionCount;␊
314 SMBByte Reserved[3];␊
315 SMBDWord FirmwareFeatures;␊
316 SMBDWord FirmwareFeaturesMask;␊
317 SMBByte RegionType[ NUM_FLASHMAP_ENTRIES ];␊
318 FW_REGION_INFO FlashMap[ NUM_FLASHMAP_ENTRIES ];␊
319} __attribute__((packed)) SMBFirmwareVolume;␊
320␊
321//␊
322// Memory SPD Data (Apple Specific - Type 130)␊
323//␊
324␊
325typedef struct SMBMemorySPD {␊
326␉SMB_STRUCT_HEADER // Type 130␊
327␉SMBWord Type17Handle;␊
328␉SMBWord Offset;␊
329␉SMBWord Size;␊
330␉SMBWord Data[];␊
331} __attribute__((packed)) SMBMemorySPD;␊
332␊
333static const char *␊
334SMBMemoryDeviceTypes[] =␊
335{␊
336 "RAM", /* 00h Undefined */␊
337 "RAM", /* 01h Other */␊
338 "RAM", /* 02h Unknown */␊
339 "DRAM", /* 03h DRAM */␊
340 "EDRAM", /* 04h EDRAM */␊
341 "VRAM", /* 05h VRAM */␊
342 "SRAM", /* 06h SRAM */␊
343 "RAM", /* 07h RAM */␊
344 "ROM", /* 08h ROM */␊
345 "FLASH", /* 09h FLASH */␊
346 "EEPROM", /* 0Ah EEPROM */␊
347 "FEPROM", /* 0Bh FEPROM */␊
348 "EPROM", /* 0Ch EPROM */␊
349 "CDRAM", /* 0Dh CDRAM */␊
350 "3DRAM", /* 0Eh 3DRAM */␊
351 "SDRAM", /* 0Fh SDRAM */␊
352 "SGRAM", /* 10h SGRAM */␊
353 "RDRAM", /* 11h RDRAM */␊
354 "DDR SDRAM", /* 12h DDR */␊
355 "DDR2 SDRAM", /* 13h DDR2 */␊
356 "DDR2 FB-DIMM", /* 14h DDR2 FB-DIMM */␊
357 "RAM",␉␉␉/* 15h unused */␊
358 "RAM",␉␉␉/* 16h unused */␊
359 "RAM",␉␉␉/* 17h unused */␊
360 "DDR3",␉␉␉/* 18h DDR3, chosen in [5776134] */␊
361};␊
362␊
363static const int␊
364kSMBMemoryDeviceTypeCount = sizeof(SMBMemoryDeviceTypes) /␊
365 sizeof(SMBMemoryDeviceTypes[0]);␊
366␊
367//␊
368// OEM Processor Type (Apple Specific - Type 131)␊
369//␊
370␊
371typedef struct SMBOemProcessorType {␊
372␉SMB_STRUCT_HEADER␊
373␉SMBWord ProcessorType;␊
374} __attribute__((packed)) SMBOemProcessorType;␊
375␊
376//␊
377// OEM Processor Bus Speed (Apple Specific - Type 132)␊
378//␊
379typedef struct SMBOemProcessorBusSpeed {␊
380␉SMB_STRUCT_HEADER␊
381␉SMBWord ProcessorBusSpeed; // MT/s unit␊
382} __attribute__((packed)) SMBOemProcessorBusSpeed;␊
383␊
384extern void readSMBIOSInfo(SMBEntryPoint *eps);␊
385extern void setupSMBIOSTable(void);␊
386extern void *getSmbiosPatched();␊
387extern void decodeSMBIOSTable(SMBEntryPoint *eps);␊
388extern char *setDefaultSMBData(void);␊
389␊
390#endif /* !__LIBSAIO_MYSMBIOS_H */␊
391

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