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5d73d92f | 1 | /** @file\r |
2 | API for SMBIOS table.\r | |
3 | \r | |
4 | Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | \r | |
16 | #include "../UefiShellDebug1CommandsLib.h"\r | |
17 | #include <Guid/Smbios.h>\r | |
18 | #include "LIbSmbios.h"\r | |
19 | #include "LibSmbiosView.h"\r | |
20 | #include "smbiosview.h"\r | |
21 | \r | |
22 | STATIC UINT8 mInit = 0;\r | |
23 | STATIC SMBIOS_STRUCTURE_TABLE *mSmbiosTable = NULL;\r | |
24 | STATIC SMBIOS_STRUCTURE_POINTER m_SmbiosStruct;\r | |
25 | STATIC SMBIOS_STRUCTURE_POINTER *mSmbiosStruct = &m_SmbiosStruct;\r | |
26 | \r | |
27 | EFI_STATUS\r | |
28 | LibSmbiosInit (\r | |
29 | VOID\r | |
30 | )\r | |
31 | /*++\r | |
32 | \r | |
33 | Routine Description:\r | |
34 | Init the SMBIOS VIEW API's environment.\r | |
35 | \r | |
36 | Arguments:\r | |
37 | None\r | |
38 | \r | |
39 | Returns:\r | |
40 | EFI_SUCCESS - Successful to init the SMBIOS VIEW Lib\r | |
41 | Others - Cannot get SMBIOS Table\r | |
42 | \r | |
43 | **/\r | |
44 | {\r | |
45 | EFI_STATUS Status;\r | |
46 | \r | |
47 | //\r | |
48 | // Init only once\r | |
49 | //\r | |
50 | if (mInit == 1) {\r | |
51 | return EFI_SUCCESS;\r | |
52 | }\r | |
53 | //\r | |
54 | // Get SMBIOS table from System Configure table\r | |
55 | //\r | |
56 | Status = GetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID**)&mSmbiosTable);\r | |
57 | \r | |
58 | if (mSmbiosTable == NULL) {\r | |
59 | ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_CANNOT_GET_TABLE), gShellDebug1HiiHandle);\r | |
60 | return EFI_NOT_FOUND;\r | |
61 | }\r | |
62 | \r | |
63 | if (EFI_ERROR (Status)) {\r | |
64 | ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);\r | |
65 | return Status;\r | |
66 | }\r | |
67 | //\r | |
68 | // Init SMBIOS structure table address\r | |
69 | //\r | |
70 | mSmbiosStruct->Raw = (UINT8 *) (UINTN) (mSmbiosTable->TableAddress);\r | |
71 | \r | |
72 | mInit = 1;\r | |
73 | return EFI_SUCCESS;\r | |
74 | }\r | |
75 | \r | |
76 | VOID\r | |
77 | LibSmbiosCleanup (\r | |
78 | VOID\r | |
79 | )\r | |
80 | {\r | |
81 | //\r | |
82 | // Release resources\r | |
83 | //\r | |
84 | if (mSmbiosTable != NULL) {\r | |
85 | mSmbiosTable = NULL;\r | |
86 | }\r | |
87 | \r | |
88 | mInit = 0;\r | |
89 | }\r | |
90 | \r | |
91 | VOID\r | |
92 | LibSmbiosGetEPS (\r | |
93 | SMBIOS_STRUCTURE_TABLE **pEntryPointStructure\r | |
94 | )\r | |
95 | {\r | |
96 | //\r | |
97 | // return SMBIOS Table address\r | |
98 | //\r | |
99 | *pEntryPointStructure = mSmbiosTable;\r | |
100 | }\r | |
101 | \r | |
102 | VOID\r | |
103 | LibSmbiosGetStructHead (\r | |
104 | SMBIOS_STRUCTURE_POINTER *pHead\r | |
105 | )\r | |
106 | {\r | |
107 | //\r | |
108 | // return SMBIOS structure table address\r | |
109 | //\r | |
110 | pHead = mSmbiosStruct;\r | |
111 | }\r | |
112 | \r | |
113 | EFI_STATUS\r | |
114 | LibGetSmbiosInfo (\r | |
115 | OUT CHAR8 *dmiBIOSRevision,\r | |
116 | OUT UINT16 *NumStructures,\r | |
117 | OUT UINT16 *StructureSize,\r | |
118 | OUT UINT32 *dmiStorageBase,\r | |
119 | OUT UINT16 *dmiStorageSize\r | |
120 | )\r | |
121 | /*++\r | |
122 | \r | |
123 | Routine Description:\r | |
124 | Get SMBIOS Information.\r | |
125 | \r | |
126 | Arguments:\r | |
127 | dmiBIOSRevision - Revision of the SMBIOS Extensions.\r | |
128 | NumStructures - Max. Number of Structures the BIOS will return.\r | |
129 | StructureSize - Size of largest SMBIOS Structure.\r | |
130 | dmiStorageBase - 32-bit physical base address for memory mapped SMBIOS data.\r | |
131 | dmiStorageSize - Size of the memory-mapped SMBIOS data.\r | |
132 | \r | |
133 | Returns:\r | |
134 | DMI_SUCCESS - successful.\r | |
135 | DMI_FUNCTION_NOT_SUPPORTED - Does not support SMBIOS calling interface capability.\r | |
136 | \r | |
137 | **/\r | |
138 | {\r | |
139 | //\r | |
140 | // If no SMIBOS table, unsupported.\r | |
141 | //\r | |
142 | if (mSmbiosTable == NULL) {\r | |
143 | return DMI_FUNCTION_NOT_SUPPORTED;\r | |
144 | }\r | |
145 | \r | |
146 | *dmiBIOSRevision = mSmbiosTable->SmbiosBcdRevision;\r | |
147 | *NumStructures = mSmbiosTable->NumberOfSmbiosStructures;\r | |
148 | *StructureSize = mSmbiosTable->MaxStructureSize;\r | |
149 | *dmiStorageBase = mSmbiosTable->TableAddress;\r | |
150 | *dmiStorageSize = mSmbiosTable->TableLength;\r | |
151 | \r | |
152 | return DMI_SUCCESS;\r | |
153 | }\r | |
154 | \r | |
155 | EFI_STATUS\r | |
156 | LibGetSmbiosStructure (\r | |
157 | IN OUT UINT16 *Handle,\r | |
158 | IN OUT UINT8 *Buffer,\r | |
159 | OUT UINT16 *Length\r | |
160 | )\r | |
161 | /*++\r | |
162 | \r | |
163 | Routine Description:\r | |
164 | Get SMBIOS structure given the Handle,copy data to the Buffer,\r | |
165 | Handle is changed to the next handle or 0xFFFF when the end is\r | |
166 | reached or the handle is not found.\r | |
167 | \r | |
168 | Arguments:\r | |
169 | Handle: - 0xFFFF: get the first structure\r | |
170 | - Others: get a structure according to this value.\r | |
171 | Buffter: - The pointer to the caller's memory buffer.\r | |
172 | Length: - Length of return buffer in bytes.\r | |
173 | \r | |
174 | Returns:\r | |
175 | DMI_SUCCESS - Buffer contains the required structure data\r | |
176 | - Handle is updated with next structure handle or\r | |
177 | 0xFFFF(end-of-list).\r | |
178 | \r | |
179 | DMI_INVALID_HANDLE - Buffer not contain the requiring structure data\r | |
180 | - Handle is updated with next structure handle or\r | |
181 | 0xFFFF(end-of-list).\r | |
182 | **/\r | |
183 | {\r | |
184 | SMBIOS_STRUCTURE_POINTER Smbios;\r | |
185 | SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r | |
186 | UINT8 *Raw;\r | |
187 | \r | |
188 | if (*Handle == INVALIDE_HANDLE) {\r | |
189 | *Handle = mSmbiosStruct->Hdr->Handle;\r | |
190 | return DMI_INVALID_HANDLE;\r | |
191 | }\r | |
192 | \r | |
193 | if (Buffer == NULL) {\r | |
194 | ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUFF_SPEC), gShellDebug1HiiHandle);\r | |
195 | return DMI_INVALID_HANDLE;\r | |
196 | }\r | |
197 | \r | |
198 | *Length = 0;\r | |
199 | Smbios.Hdr = mSmbiosStruct->Hdr;\r | |
200 | SmbiosEnd.Raw = Smbios.Raw + mSmbiosTable->TableLength;\r | |
201 | while (Smbios.Raw < SmbiosEnd.Raw) {\r | |
202 | if (Smbios.Hdr->Handle == *Handle) {\r | |
203 | Raw = Smbios.Raw;\r | |
204 | //\r | |
205 | // Walk to next structure\r | |
206 | //\r | |
207 | LibGetSmbiosString (&Smbios, (UINT16) (-1));\r | |
208 | //\r | |
209 | // Length = Next structure head - this structure head\r | |
210 | //\r | |
211 | *Length = (UINT16) (Smbios.Raw - Raw);\r | |
212 | CopyMem (Buffer, Raw, *Length);\r | |
213 | //\r | |
214 | // update with the next structure handle.\r | |
215 | //\r | |
216 | if (Smbios.Raw < SmbiosEnd.Raw) {\r | |
217 | *Handle = Smbios.Hdr->Handle;\r | |
218 | } else {\r | |
219 | *Handle = INVALIDE_HANDLE;\r | |
220 | }\r | |
221 | return DMI_SUCCESS;\r | |
222 | }\r | |
223 | //\r | |
224 | // Walk to next structure\r | |
225 | //\r | |
226 | LibGetSmbiosString (&Smbios, (UINT16) (-1));\r | |
227 | }\r | |
228 | \r | |
229 | *Handle = INVALIDE_HANDLE;\r | |
230 | return DMI_INVALID_HANDLE;\r | |
231 | }\r | |
232 | \r | |
233 | EFI_STATUS\r | |
234 | SmbiosCheckStructure (\r | |
235 | IN SMBIOS_STRUCTURE_POINTER *Smbios\r | |
236 | )\r | |
237 | /*++\r | |
238 | \r | |
239 | Routine Description:\r | |
240 | Check the structure to see if it is legal.\r | |
241 | \r | |
242 | Arguments:\r | |
243 | Smbios - Pointer to the structure that will be checked.\r | |
244 | \r | |
245 | Returns:\r | |
246 | DMI_SUCCESS - Structure data is legal.\r | |
247 | DMI_BAD_PARAMETER - Structure data contains bad parameter\r | |
248 | \r | |
249 | **/\r | |
250 | {\r | |
251 | //\r | |
252 | // If key != value, then error.\r | |
253 | //\r | |
254 | #define CHECK_VALUE(key, value) (((key) == (value)) ? EFI_SUCCESS : DMI_BAD_PARAMETER)\r | |
255 | \r | |
256 | EFI_STATUS Status;\r | |
257 | //\r | |
258 | // Assume staus is EFI_SUCCESS,\r | |
259 | // but if check is error, then EFI_ERROR.\r | |
260 | //\r | |
261 | Status = EFI_SUCCESS;\r | |
262 | \r | |
263 | switch (Smbios->Hdr->Type) {\r | |
264 | case 0:\r | |
265 | break;\r | |
266 | \r | |
267 | case 1:\r | |
268 | if (Smbios->Type1->Hdr.Length == 0x08 || Smbios->Type0->Hdr.Length == 0x19) {\r | |
269 | Status = EFI_SUCCESS;\r | |
270 | } else {\r | |
271 | Status = DMI_BAD_PARAMETER;\r | |
272 | }\r | |
273 | break;\r | |
274 | \r | |
275 | case 2:\r | |
276 | Status = CHECK_VALUE (Smbios->Type2->Hdr.Length, 0x08);\r | |
277 | break;\r | |
278 | \r | |
279 | case 6:\r | |
280 | Status = CHECK_VALUE (Smbios->Type6->Hdr.Length, 0x0C);\r | |
281 | break;\r | |
282 | \r | |
283 | case 11:\r | |
284 | Status = CHECK_VALUE (Smbios->Type11->Hdr.Length, 0x05);\r | |
285 | break;\r | |
286 | \r | |
287 | case 12:\r | |
288 | Status = CHECK_VALUE (Smbios->Type12->Hdr.Length, 0x05);\r | |
289 | break;\r | |
290 | \r | |
291 | case 13:\r | |
292 | Status = CHECK_VALUE (Smbios->Type13->Hdr.Length, 0x16);\r | |
293 | break;\r | |
294 | \r | |
295 | case 16:\r | |
296 | Status = CHECK_VALUE (Smbios->Type16->Hdr.Length, 0x0F);\r | |
297 | break;\r | |
298 | \r | |
299 | case 19:\r | |
300 | Status = CHECK_VALUE (Smbios->Type19->Hdr.Length, 0x0F);\r | |
301 | break;\r | |
302 | \r | |
303 | case 20:\r | |
304 | Status = CHECK_VALUE (Smbios->Type20->Hdr.Length, 0x13);\r | |
305 | break;\r | |
306 | \r | |
307 | case 32:\r | |
308 | //\r | |
309 | // Because EFI_SUCCESS == 0,\r | |
310 | // So errors added up is also error.\r | |
311 | //\r | |
312 | Status = CHECK_VALUE (Smbios->Type32->Reserved[0], 0x00) +\r | |
313 | CHECK_VALUE (Smbios->Type32->Reserved[1], 0x00) +\r | |
314 | CHECK_VALUE (Smbios->Type32->Reserved[2], 0x00) +\r | |
315 | CHECK_VALUE (Smbios->Type32->Reserved[3], 0x00) +\r | |
316 | CHECK_VALUE (Smbios->Type32->Reserved[4], 0x00) +\r | |
317 | CHECK_VALUE (Smbios->Type32->Reserved[5], 0x00);\r | |
318 | break;\r | |
319 | \r | |
320 | default:\r | |
321 | Status = DMI_BAD_PARAMETER;\r | |
322 | }\r | |
323 | \r | |
324 | return Status;\r | |
325 | }\r | |
326 | \r | |
327 | VOID\r | |
328 | SmbiosGetPendingString (\r | |
329 | IN SMBIOS_STRUCTURE_POINTER *Smbios,\r | |
330 | IN UINT16 StringNumber,\r | |
331 | OUT CHAR8 *Buffer\r | |
332 | )\r | |
333 | {\r | |
334 | CHAR8 *String;\r | |
335 | if (Buffer == NULL) {\r | |
336 | ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_NO_BUF_SPEC_WHEN_STRUCT), gShellDebug1HiiHandle);\r | |
337 | return ;\r | |
338 | }\r | |
339 | //\r | |
340 | // Get string and copy to buffer.\r | |
341 | // Caller should provide the buffer.\r | |
342 | //\r | |
343 | String = LibGetSmbiosString (Smbios, StringNumber);\r | |
344 | if (String != NULL) {\r | |
345 | CopyMem (Buffer, String, AsciiStrLen(String));\r | |
346 | } else {\r | |
347 | Buffer = NULL;\r | |
348 | }\r | |
349 | }\r |