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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php.\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | **/\r | |
13 | \r | |
14 | #include "DmaProtection.h"\r | |
15 | \r | |
16 | #pragma pack(1)\r | |
17 | \r | |
18 | typedef struct {\r | |
19 | EFI_ACPI_DESCRIPTION_HEADER Header;\r | |
20 | UINT32 Entry;\r | |
21 | } RSDT_TABLE;\r | |
22 | \r | |
23 | typedef struct {\r | |
24 | EFI_ACPI_DESCRIPTION_HEADER Header;\r | |
25 | UINT64 Entry;\r | |
26 | } XSDT_TABLE;\r | |
27 | \r | |
28 | #pragma pack()\r | |
29 | \r | |
30 | EFI_ACPI_DMAR_HEADER *mAcpiDmarTable;\r | |
31 | \r | |
32 | /**\r | |
33 | Dump DMAR DeviceScopeEntry.\r | |
34 | \r | |
35 | @param[in] DmarDeviceScopeEntry DMAR DeviceScopeEntry\r | |
36 | **/\r | |
37 | VOID\r | |
38 | DumpDmarDeviceScopeEntry (\r | |
39 | IN EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDeviceScopeEntry\r | |
40 | )\r | |
41 | {\r | |
42 | UINTN PciPathNumber;\r | |
43 | UINTN PciPathIndex;\r | |
44 | EFI_ACPI_DMAR_PCI_PATH *PciPath;\r | |
45 | \r | |
46 | if (DmarDeviceScopeEntry == NULL) {\r | |
47 | return;\r | |
48 | }\r | |
49 | \r | |
50 | DEBUG ((DEBUG_INFO,\r | |
51 | " *************************************************************************\n"\r | |
52 | " * DMA-Remapping Device Scope Entry Structure *\n"\r | |
53 | " *************************************************************************\n"\r | |
54 | ));\r | |
55 | DEBUG ((DEBUG_INFO,\r | |
56 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
57 | " DMAR Device Scope Entry address ...................... 0x%016lx\n" :\r | |
58 | " DMAR Device Scope Entry address ...................... 0x%08x\n",\r | |
59 | DmarDeviceScopeEntry\r | |
60 | ));\r | |
61 | DEBUG ((DEBUG_INFO,\r | |
62 | " Device Scope Entry Type ............................ 0x%02x\n",\r | |
63 | DmarDeviceScopeEntry->Type\r | |
64 | ));\r | |
65 | switch (DmarDeviceScopeEntry->Type) {\r | |
66 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
67 | DEBUG ((DEBUG_INFO,\r | |
68 | " PCI Endpoint Device\n"\r | |
69 | ));\r | |
70 | break;\r | |
71 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
72 | DEBUG ((DEBUG_INFO,\r | |
73 | " PCI Sub-hierachy\n"\r | |
74 | ));\r | |
75 | break;\r | |
76 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_IOAPIC:\r | |
77 | DEBUG ((DEBUG_INFO,\r | |
78 | " IOAPIC\n"\r | |
79 | ));\r | |
80 | break;\r | |
81 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_MSI_CAPABLE_HPET:\r | |
82 | DEBUG ((DEBUG_INFO,\r | |
83 | " MSI Capable HPET\n"\r | |
84 | ));\r | |
85 | break;\r | |
86 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_ACPI_NAMESPACE_DEVICE:\r | |
87 | DEBUG ((DEBUG_INFO,\r | |
88 | " ACPI Namespace Device\n"\r | |
89 | ));\r | |
90 | break;\r | |
91 | default:\r | |
92 | break;\r | |
93 | }\r | |
94 | DEBUG ((DEBUG_INFO,\r | |
95 | " Length ............................................. 0x%02x\n",\r | |
96 | DmarDeviceScopeEntry->Length\r | |
97 | ));\r | |
98 | DEBUG ((DEBUG_INFO,\r | |
99 | " Enumeration ID ..................................... 0x%02x\n",\r | |
100 | DmarDeviceScopeEntry->EnumerationId\r | |
101 | ));\r | |
102 | DEBUG ((DEBUG_INFO,\r | |
103 | " Starting Bus Number ................................ 0x%02x\n",\r | |
104 | DmarDeviceScopeEntry->StartBusNumber\r | |
105 | ));\r | |
106 | \r | |
107 | PciPathNumber = (DmarDeviceScopeEntry->Length - sizeof(EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER)) / sizeof(EFI_ACPI_DMAR_PCI_PATH);\r | |
108 | PciPath = (EFI_ACPI_DMAR_PCI_PATH *)(DmarDeviceScopeEntry + 1);\r | |
109 | for (PciPathIndex = 0; PciPathIndex < PciPathNumber; PciPathIndex++) {\r | |
110 | DEBUG ((DEBUG_INFO,\r | |
111 | " Device ............................................. 0x%02x\n",\r | |
112 | PciPath[PciPathIndex].Device\r | |
113 | ));\r | |
114 | DEBUG ((DEBUG_INFO,\r | |
115 | " Function ........................................... 0x%02x\n",\r | |
116 | PciPath[PciPathIndex].Function\r | |
117 | ));\r | |
118 | }\r | |
119 | \r | |
120 | DEBUG ((DEBUG_INFO,\r | |
121 | " *************************************************************************\n\n"\r | |
122 | ));\r | |
123 | \r | |
124 | return;\r | |
125 | }\r | |
126 | \r | |
127 | /**\r | |
128 | Dump DMAR ANDD table.\r | |
129 | \r | |
130 | @param[in] Andd DMAR ANDD table\r | |
131 | **/\r | |
132 | VOID\r | |
133 | DumpDmarAndd (\r | |
134 | IN EFI_ACPI_DMAR_ANDD_HEADER *Andd\r | |
135 | )\r | |
136 | {\r | |
137 | if (Andd == NULL) {\r | |
138 | return;\r | |
139 | }\r | |
140 | \r | |
141 | DEBUG ((DEBUG_INFO,\r | |
142 | " ***************************************************************************\n"\r | |
143 | " * ACPI Name-space Device Declaration Structure *\n"\r | |
144 | " ***************************************************************************\n"\r | |
145 | ));\r | |
146 | DEBUG ((DEBUG_INFO,\r | |
147 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
148 | " ANDD address ........................................... 0x%016lx\n" :\r | |
149 | " ANDD address ........................................... 0x%08x\n",\r | |
150 | Andd\r | |
151 | ));\r | |
152 | DEBUG ((DEBUG_INFO,\r | |
153 | " Type ................................................. 0x%04x\n",\r | |
154 | Andd->Header.Type\r | |
155 | ));\r | |
156 | DEBUG ((DEBUG_INFO,\r | |
157 | " Length ............................................... 0x%04x\n",\r | |
158 | Andd->Header.Length\r | |
159 | ));\r | |
160 | DEBUG ((DEBUG_INFO,\r | |
161 | " ACPI Device Number ................................... 0x%02x\n",\r | |
162 | Andd->AcpiDeviceNumber\r | |
163 | ));\r | |
164 | DEBUG ((DEBUG_INFO,\r | |
165 | " ACPI Object Name ..................................... '%a'\n",\r | |
166 | (Andd + 1)\r | |
167 | ));\r | |
168 | \r | |
169 | DEBUG ((DEBUG_INFO,\r | |
170 | " ***************************************************************************\n\n"\r | |
171 | ));\r | |
172 | \r | |
173 | return;\r | |
174 | }\r | |
175 | \r | |
176 | /**\r | |
177 | Dump DMAR RHSA table.\r | |
178 | \r | |
179 | @param[in] Rhsa DMAR RHSA table\r | |
180 | **/\r | |
181 | VOID\r | |
182 | DumpDmarRhsa (\r | |
183 | IN EFI_ACPI_DMAR_RHSA_HEADER *Rhsa\r | |
184 | )\r | |
185 | {\r | |
186 | if (Rhsa == NULL) {\r | |
187 | return;\r | |
188 | }\r | |
189 | \r | |
190 | DEBUG ((DEBUG_INFO,\r | |
191 | " ***************************************************************************\n"\r | |
192 | " * Remapping Hardware Status Affinity Structure *\n"\r | |
193 | " ***************************************************************************\n"\r | |
194 | ));\r | |
195 | DEBUG ((DEBUG_INFO,\r | |
196 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
197 | " RHSA address ........................................... 0x%016lx\n" :\r | |
198 | " RHSA address ........................................... 0x%08x\n",\r | |
199 | Rhsa\r | |
200 | ));\r | |
201 | DEBUG ((DEBUG_INFO,\r | |
202 | " Type ................................................. 0x%04x\n",\r | |
203 | Rhsa->Header.Type\r | |
204 | ));\r | |
205 | DEBUG ((DEBUG_INFO,\r | |
206 | " Length ............................................... 0x%04x\n",\r | |
207 | Rhsa->Header.Length\r | |
208 | ));\r | |
209 | DEBUG ((DEBUG_INFO,\r | |
210 | " Register Base Address ................................ 0x%016lx\n",\r | |
211 | Rhsa->RegisterBaseAddress\r | |
212 | ));\r | |
213 | DEBUG ((DEBUG_INFO,\r | |
214 | " Proximity Domain ..................................... 0x%08x\n",\r | |
215 | Rhsa->ProximityDomain\r | |
216 | ));\r | |
217 | \r | |
218 | DEBUG ((DEBUG_INFO,\r | |
219 | " ***************************************************************************\n\n"\r | |
220 | ));\r | |
221 | \r | |
222 | return;\r | |
223 | }\r | |
224 | \r | |
225 | /**\r | |
226 | Dump DMAR ATSR table.\r | |
227 | \r | |
228 | @param[in] Atsr DMAR ATSR table\r | |
229 | **/\r | |
230 | VOID\r | |
231 | DumpDmarAtsr (\r | |
232 | IN EFI_ACPI_DMAR_ATSR_HEADER *Atsr\r | |
233 | )\r | |
234 | {\r | |
235 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDeviceScopeEntry;\r | |
236 | INTN AtsrLen;\r | |
237 | \r | |
238 | if (Atsr == NULL) {\r | |
239 | return;\r | |
240 | }\r | |
241 | \r | |
242 | DEBUG ((DEBUG_INFO,\r | |
243 | " ***************************************************************************\n"\r | |
244 | " * Root Port ATS Capability Reporting Structure *\n"\r | |
245 | " ***************************************************************************\n"\r | |
246 | ));\r | |
247 | DEBUG ((DEBUG_INFO,\r | |
248 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
249 | " ATSR address ........................................... 0x%016lx\n" :\r | |
250 | " ATSR address ........................................... 0x%08x\n",\r | |
251 | Atsr\r | |
252 | ));\r | |
253 | DEBUG ((DEBUG_INFO,\r | |
254 | " Type ................................................. 0x%04x\n",\r | |
255 | Atsr->Header.Type\r | |
256 | ));\r | |
257 | DEBUG ((DEBUG_INFO,\r | |
258 | " Length ............................................... 0x%04x\n",\r | |
259 | Atsr->Header.Length\r | |
260 | ));\r | |
261 | DEBUG ((DEBUG_INFO,\r | |
262 | " Flags ................................................ 0x%02x\n",\r | |
263 | Atsr->Flags\r | |
264 | ));\r | |
265 | DEBUG ((DEBUG_INFO,\r | |
266 | " ALL_PORTS .......................................... 0x%02x\n",\r | |
267 | Atsr->Flags & EFI_ACPI_DMAR_ATSR_FLAGS_ALL_PORTS\r | |
268 | ));\r | |
269 | DEBUG ((DEBUG_INFO,\r | |
270 | " Segment Number ....................................... 0x%04x\n",\r | |
271 | Atsr->SegmentNumber\r | |
272 | ));\r | |
273 | \r | |
274 | AtsrLen = Atsr->Header.Length - sizeof(EFI_ACPI_DMAR_ATSR_HEADER);\r | |
275 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)(Atsr + 1);\r | |
276 | while (AtsrLen > 0) {\r | |
277 | DumpDmarDeviceScopeEntry (DmarDeviceScopeEntry);\r | |
278 | AtsrLen -= DmarDeviceScopeEntry->Length;\r | |
279 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDeviceScopeEntry + DmarDeviceScopeEntry->Length);\r | |
280 | }\r | |
281 | \r | |
282 | DEBUG ((DEBUG_INFO,\r | |
283 | " ***************************************************************************\n\n"\r | |
284 | ));\r | |
285 | \r | |
286 | return;\r | |
287 | }\r | |
288 | \r | |
289 | /**\r | |
290 | Dump DMAR RMRR table.\r | |
291 | \r | |
292 | @param[in] Rmrr DMAR RMRR table\r | |
293 | **/\r | |
294 | VOID\r | |
295 | DumpDmarRmrr (\r | |
296 | IN EFI_ACPI_DMAR_RMRR_HEADER *Rmrr\r | |
297 | )\r | |
298 | {\r | |
299 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDeviceScopeEntry;\r | |
300 | INTN RmrrLen;\r | |
301 | \r | |
302 | if (Rmrr == NULL) {\r | |
303 | return;\r | |
304 | }\r | |
305 | \r | |
306 | DEBUG ((DEBUG_INFO,\r | |
307 | " ***************************************************************************\n"\r | |
308 | " * Reserved Memory Region Reporting Structure *\n"\r | |
309 | " ***************************************************************************\n"\r | |
310 | ));\r | |
311 | DEBUG ((DEBUG_INFO,\r | |
312 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
313 | " RMRR address ........................................... 0x%016lx\n" :\r | |
314 | " RMRR address ........................................... 0x%08x\n",\r | |
315 | Rmrr\r | |
316 | ));\r | |
317 | DEBUG ((DEBUG_INFO,\r | |
318 | " Type ................................................. 0x%04x\n",\r | |
319 | Rmrr->Header.Type\r | |
320 | ));\r | |
321 | DEBUG ((DEBUG_INFO,\r | |
322 | " Length ............................................... 0x%04x\n",\r | |
323 | Rmrr->Header.Length\r | |
324 | ));\r | |
325 | DEBUG ((DEBUG_INFO,\r | |
326 | " Segment Number ....................................... 0x%04x\n",\r | |
327 | Rmrr->SegmentNumber\r | |
328 | ));\r | |
329 | DEBUG ((DEBUG_INFO,\r | |
330 | " Reserved Memory Region Base Address .................. 0x%016lx\n",\r | |
331 | Rmrr->ReservedMemoryRegionBaseAddress\r | |
332 | ));\r | |
333 | DEBUG ((DEBUG_INFO,\r | |
334 | " Reserved Memory Region Limit Address ................. 0x%016lx\n",\r | |
335 | Rmrr->ReservedMemoryRegionLimitAddress\r | |
336 | ));\r | |
337 | \r | |
338 | RmrrLen = Rmrr->Header.Length - sizeof(EFI_ACPI_DMAR_RMRR_HEADER);\r | |
339 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)(Rmrr + 1);\r | |
340 | while (RmrrLen > 0) {\r | |
341 | DumpDmarDeviceScopeEntry (DmarDeviceScopeEntry);\r | |
342 | RmrrLen -= DmarDeviceScopeEntry->Length;\r | |
343 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDeviceScopeEntry + DmarDeviceScopeEntry->Length);\r | |
344 | }\r | |
345 | \r | |
346 | DEBUG ((DEBUG_INFO,\r | |
347 | " ***************************************************************************\n\n"\r | |
348 | ));\r | |
349 | \r | |
350 | return;\r | |
351 | }\r | |
352 | \r | |
353 | /**\r | |
354 | Dump DMAR DRHD table.\r | |
355 | \r | |
356 | @param[in] Drhd DMAR DRHD table\r | |
357 | **/\r | |
358 | VOID\r | |
359 | DumpDmarDrhd (\r | |
360 | IN EFI_ACPI_DMAR_DRHD_HEADER *Drhd\r | |
361 | )\r | |
362 | {\r | |
363 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDeviceScopeEntry;\r | |
364 | INTN DrhdLen;\r | |
365 | \r | |
366 | if (Drhd == NULL) {\r | |
367 | return;\r | |
368 | }\r | |
369 | \r | |
370 | DEBUG ((DEBUG_INFO,\r | |
371 | " ***************************************************************************\n"\r | |
372 | " * DMA-Remapping Hardware Definition Structure *\n"\r | |
373 | " ***************************************************************************\n"\r | |
374 | ));\r | |
375 | DEBUG ((DEBUG_INFO,\r | |
376 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
377 | " DRHD address ........................................... 0x%016lx\n" :\r | |
378 | " DRHD address ........................................... 0x%08x\n",\r | |
379 | Drhd\r | |
380 | ));\r | |
381 | DEBUG ((DEBUG_INFO,\r | |
382 | " Type ................................................. 0x%04x\n",\r | |
383 | Drhd->Header.Type\r | |
384 | ));\r | |
385 | DEBUG ((DEBUG_INFO,\r | |
386 | " Length ............................................... 0x%04x\n",\r | |
387 | Drhd->Header.Length\r | |
388 | ));\r | |
389 | DEBUG ((DEBUG_INFO,\r | |
390 | " Flags ................................................ 0x%02x\n",\r | |
391 | Drhd->Flags\r | |
392 | ));\r | |
393 | DEBUG ((DEBUG_INFO,\r | |
394 | " INCLUDE_PCI_ALL .................................... 0x%02x\n",\r | |
395 | Drhd->Flags & EFI_ACPI_DMAR_DRHD_FLAGS_INCLUDE_PCI_ALL\r | |
396 | ));\r | |
397 | DEBUG ((DEBUG_INFO,\r | |
398 | " Segment Number ....................................... 0x%04x\n",\r | |
399 | Drhd->SegmentNumber\r | |
400 | ));\r | |
401 | DEBUG ((DEBUG_INFO,\r | |
402 | " Register Base Address ................................ 0x%016lx\n",\r | |
403 | Drhd->RegisterBaseAddress\r | |
404 | ));\r | |
405 | \r | |
406 | DrhdLen = Drhd->Header.Length - sizeof(EFI_ACPI_DMAR_DRHD_HEADER);\r | |
407 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)(Drhd + 1);\r | |
408 | while (DrhdLen > 0) {\r | |
409 | DumpDmarDeviceScopeEntry (DmarDeviceScopeEntry);\r | |
410 | DrhdLen -= DmarDeviceScopeEntry->Length;\r | |
411 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDeviceScopeEntry + DmarDeviceScopeEntry->Length);\r | |
412 | }\r | |
413 | \r | |
414 | DEBUG ((DEBUG_INFO,\r | |
415 | " ***************************************************************************\n\n"\r | |
416 | ));\r | |
417 | \r | |
418 | return;\r | |
419 | }\r | |
420 | \r | |
421 | /**\r | |
422 | Dump DMAR ACPI table.\r | |
423 | \r | |
424 | @param[in] Dmar DMAR ACPI table\r | |
425 | **/\r | |
426 | VOID\r | |
427 | DumpAcpiDMAR (\r | |
428 | IN EFI_ACPI_DMAR_HEADER *Dmar\r | |
429 | )\r | |
430 | {\r | |
431 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
432 | INTN DmarLen;\r | |
433 | \r | |
434 | if (Dmar == NULL) {\r | |
435 | return;\r | |
436 | }\r | |
437 | \r | |
438 | //\r | |
439 | // Dump Dmar table\r | |
440 | //\r | |
441 | DEBUG ((DEBUG_INFO,\r | |
442 | "*****************************************************************************\n"\r | |
443 | "* DMAR Table *\n"\r | |
444 | "*****************************************************************************\n"\r | |
445 | ));\r | |
446 | \r | |
447 | DEBUG ((DEBUG_INFO,\r | |
448 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
449 | "DMAR address ............................................. 0x%016lx\n" :\r | |
450 | "DMAR address ............................................. 0x%08x\n",\r | |
451 | Dmar\r | |
452 | ));\r | |
453 | \r | |
454 | DEBUG ((DEBUG_INFO,\r | |
455 | " Table Contents:\n"\r | |
456 | ));\r | |
457 | DEBUG ((DEBUG_INFO,\r | |
458 | " Host Address Width ................................... 0x%02x\n",\r | |
459 | Dmar->HostAddressWidth\r | |
460 | ));\r | |
461 | DEBUG ((DEBUG_INFO,\r | |
462 | " Flags ................................................ 0x%02x\n",\r | |
463 | Dmar->Flags\r | |
464 | ));\r | |
465 | DEBUG ((DEBUG_INFO,\r | |
466 | " INTR_REMAP ......................................... 0x%02x\n",\r | |
467 | Dmar->Flags & EFI_ACPI_DMAR_FLAGS_INTR_REMAP\r | |
468 | ));\r | |
469 | DEBUG ((DEBUG_INFO,\r | |
470 | " X2APIC_OPT_OUT_SET ................................. 0x%02x\n",\r | |
471 | Dmar->Flags & EFI_ACPI_DMAR_FLAGS_X2APIC_OPT_OUT\r | |
472 | ));\r | |
473 | \r | |
474 | DmarLen = Dmar->Header.Length - sizeof(EFI_ACPI_DMAR_HEADER);\r | |
475 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)(Dmar + 1);\r | |
476 | while (DmarLen > 0) {\r | |
477 | switch (DmarHeader->Type) {\r | |
478 | case EFI_ACPI_DMAR_TYPE_DRHD:\r | |
479 | DumpDmarDrhd ((EFI_ACPI_DMAR_DRHD_HEADER *)DmarHeader);\r | |
480 | break;\r | |
481 | case EFI_ACPI_DMAR_TYPE_RMRR:\r | |
482 | DumpDmarRmrr ((EFI_ACPI_DMAR_RMRR_HEADER *)DmarHeader);\r | |
483 | break;\r | |
484 | case EFI_ACPI_DMAR_TYPE_ATSR:\r | |
485 | DumpDmarAtsr ((EFI_ACPI_DMAR_ATSR_HEADER *)DmarHeader);\r | |
486 | break;\r | |
487 | case EFI_ACPI_DMAR_TYPE_RHSA:\r | |
488 | DumpDmarRhsa ((EFI_ACPI_DMAR_RHSA_HEADER *)DmarHeader);\r | |
489 | break;\r | |
490 | case EFI_ACPI_DMAR_TYPE_ANDD:\r | |
491 | DumpDmarAndd ((EFI_ACPI_DMAR_ANDD_HEADER *)DmarHeader);\r | |
492 | break;\r | |
493 | default:\r | |
494 | break;\r | |
495 | }\r | |
496 | DmarLen -= DmarHeader->Length;\r | |
497 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
498 | }\r | |
499 | \r | |
500 | DEBUG ((DEBUG_INFO,\r | |
501 | "*****************************************************************************\n\n"\r | |
502 | ));\r | |
503 | \r | |
504 | return;\r | |
505 | }\r | |
506 | \r | |
507 | /**\r | |
508 | Dump DMAR ACPI table.\r | |
509 | **/\r | |
510 | VOID\r | |
511 | VtdDumpDmarTable (\r | |
512 | VOID\r | |
513 | )\r | |
514 | {\r | |
515 | DumpAcpiDMAR ((EFI_ACPI_DMAR_HEADER *)(UINTN)mAcpiDmarTable);\r | |
516 | }\r | |
517 | \r | |
518 | /**\r | |
519 | Get PCI device information from DMAR DevScopeEntry.\r | |
520 | \r | |
521 | @param[in] Segment The segment number.\r | |
522 | @param[in] DmarDevScopeEntry DMAR DevScopeEntry\r | |
523 | @param[out] Bus The bus number.\r | |
524 | @param[out] Device The device number.\r | |
525 | @param[out] Function The function number.\r | |
526 | \r | |
527 | @retval EFI_SUCCESS The PCI device information is returned.\r | |
528 | **/\r | |
529 | EFI_STATUS\r | |
530 | GetPciBusDeviceFunction (\r | |
531 | IN UINT16 Segment,\r | |
532 | IN EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDevScopeEntry,\r | |
533 | OUT UINT8 *Bus,\r | |
534 | OUT UINT8 *Device,\r | |
535 | OUT UINT8 *Function\r | |
536 | )\r | |
537 | {\r | |
538 | EFI_ACPI_DMAR_PCI_PATH *DmarPciPath;\r | |
539 | UINT8 MyBus;\r | |
540 | UINT8 MyDevice;\r | |
541 | UINT8 MyFunction;\r | |
542 | \r | |
543 | DmarPciPath = (EFI_ACPI_DMAR_PCI_PATH *)((UINTN)(DmarDevScopeEntry + 1));\r | |
544 | MyBus = DmarDevScopeEntry->StartBusNumber;\r | |
545 | MyDevice = DmarPciPath->Device;\r | |
546 | MyFunction = DmarPciPath->Function;\r | |
547 | \r | |
548 | switch (DmarDevScopeEntry->Type) {\r | |
549 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
550 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
551 | while ((UINTN)DmarPciPath < (UINTN)DmarDevScopeEntry + DmarDevScopeEntry->Length) {\r | |
552 | MyBus = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, MyBus, MyDevice, MyFunction, PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET));\r | |
553 | MyDevice = DmarPciPath->Device;\r | |
554 | MyFunction = DmarPciPath->Function;\r | |
555 | DmarPciPath ++;\r | |
556 | }\r | |
557 | break;\r | |
558 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_IOAPIC:\r | |
559 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_MSI_CAPABLE_HPET:\r | |
560 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_ACPI_NAMESPACE_DEVICE:\r | |
561 | break;\r | |
562 | }\r | |
563 | \r | |
564 | *Bus = MyBus;\r | |
565 | *Device = MyDevice;\r | |
566 | *Function = MyFunction;\r | |
567 | \r | |
568 | return EFI_SUCCESS;\r | |
569 | }\r | |
570 | \r | |
571 | /**\r | |
572 | Process DMAR DHRD table.\r | |
573 | \r | |
574 | @param[in] VtdIndex The index of VTd engine.\r | |
575 | @param[in] DmarDrhd The DRHD table.\r | |
576 | \r | |
577 | @retval EFI_SUCCESS The DRHD table is processed.\r | |
578 | **/\r | |
579 | EFI_STATUS\r | |
580 | ProcessDhrd (\r | |
581 | IN UINTN VtdIndex,\r | |
582 | IN EFI_ACPI_DMAR_DRHD_HEADER *DmarDrhd\r | |
583 | )\r | |
584 | {\r | |
585 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDevScopeEntry;\r | |
586 | UINT8 Bus;\r | |
587 | UINT8 Device;\r | |
588 | UINT8 Function;\r | |
589 | UINT8 SecondaryBusNumber;\r | |
590 | EFI_STATUS Status;\r | |
591 | VTD_SOURCE_ID SourceId;\r | |
592 | BOOLEAN IsRealPciDevice;\r | |
593 | \r | |
594 | mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress = (UINTN)DmarDrhd->RegisterBaseAddress;\r | |
595 | DEBUG ((DEBUG_INFO," VTD (%d) BaseAddress - 0x%016lx\n", VtdIndex, DmarDrhd->RegisterBaseAddress));\r | |
596 | \r | |
597 | mVtdUnitInformation[VtdIndex].Segment = DmarDrhd->SegmentNumber;\r | |
598 | \r | |
599 | if ((DmarDrhd->Flags & EFI_ACPI_DMAR_DRHD_FLAGS_INCLUDE_PCI_ALL) != 0) {\r | |
600 | mVtdUnitInformation[VtdIndex].PciDeviceInfo.IncludeAllFlag = TRUE;\r | |
601 | DEBUG ((DEBUG_INFO," ProcessDhrd: with INCLUDE ALL\n"));\r | |
602 | \r | |
603 | Status = ScanPciBus(VtdIndex, DmarDrhd->SegmentNumber, 0);\r | |
604 | if (EFI_ERROR (Status)) {\r | |
605 | return Status;\r | |
606 | }\r | |
607 | } else {\r | |
608 | mVtdUnitInformation[VtdIndex].PciDeviceInfo.IncludeAllFlag = FALSE;\r | |
609 | DEBUG ((DEBUG_INFO," ProcessDhrd: without INCLUDE ALL\n"));\r | |
610 | }\r | |
611 | \r | |
612 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)(DmarDrhd + 1));\r | |
613 | while ((UINTN)DmarDevScopeEntry < (UINTN)DmarDrhd + DmarDrhd->Header.Length) {\r | |
614 | \r | |
615 | Status = GetPciBusDeviceFunction (DmarDrhd->SegmentNumber, DmarDevScopeEntry, &Bus, &Device, &Function);\r | |
616 | if (EFI_ERROR (Status)) {\r | |
617 | return Status;\r | |
618 | }\r | |
619 | switch (DmarDevScopeEntry->Type) {\r | |
620 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
621 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
622 | IsRealPciDevice = TRUE;\r | |
623 | break;\r | |
624 | default:\r | |
625 | IsRealPciDevice = FALSE;\r | |
626 | break;\r | |
627 | }\r | |
628 | \r | |
629 | DEBUG ((DEBUG_INFO," ProcessDhrd: "));\r | |
630 | switch (DmarDevScopeEntry->Type) {\r | |
631 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
632 | DEBUG ((DEBUG_INFO,"PCI Endpoint"));\r | |
633 | break;\r | |
634 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
635 | DEBUG ((DEBUG_INFO,"PCI-PCI bridge"));\r | |
636 | break;\r | |
637 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_IOAPIC:\r | |
638 | DEBUG ((DEBUG_INFO,"IOAPIC"));\r | |
639 | break;\r | |
640 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_MSI_CAPABLE_HPET:\r | |
641 | DEBUG ((DEBUG_INFO,"MSI Capable HPET"));\r | |
642 | break;\r | |
643 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_ACPI_NAMESPACE_DEVICE:\r | |
644 | DEBUG ((DEBUG_INFO,"ACPI Namespace Device"));\r | |
645 | break;\r | |
646 | }\r | |
647 | DEBUG ((DEBUG_INFO," S%04x B%02x D%02x F%02x\n", DmarDrhd->SegmentNumber, Bus, Device, Function));\r | |
648 | \r | |
649 | SourceId.Bits.Bus = Bus;\r | |
650 | SourceId.Bits.Device = Device;\r | |
651 | SourceId.Bits.Function = Function;\r | |
652 | \r | |
653 | Status = RegisterPciDevice (VtdIndex, DmarDrhd->SegmentNumber, SourceId, IsRealPciDevice, TRUE);\r | |
654 | if (EFI_ERROR (Status)) {\r | |
655 | //\r | |
656 | // There might be duplication for special device other than standard PCI device.\r | |
657 | //\r | |
658 | switch (DmarDevScopeEntry->Type) {\r | |
659 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
660 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
661 | return Status;\r | |
662 | }\r | |
663 | }\r | |
664 | \r | |
665 | switch (DmarDevScopeEntry->Type) {\r | |
666 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
667 | SecondaryBusNumber = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(DmarDrhd->SegmentNumber, Bus, Device, Function, PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET));\r | |
668 | Status = ScanPciBus (VtdIndex, DmarDrhd->SegmentNumber, SecondaryBusNumber);\r | |
669 | if (EFI_ERROR (Status)) {\r | |
670 | return Status;\r | |
671 | }\r | |
672 | break;\r | |
673 | default:\r | |
674 | break;\r | |
675 | }\r | |
676 | \r | |
677 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDevScopeEntry + DmarDevScopeEntry->Length);\r | |
678 | }\r | |
679 | \r | |
680 | return EFI_SUCCESS;\r | |
681 | }\r | |
682 | \r | |
683 | /**\r | |
684 | Process DMAR RMRR table.\r | |
685 | \r | |
686 | @param[in] DmarRmrr The RMRR table.\r | |
687 | \r | |
688 | @retval EFI_SUCCESS The RMRR table is processed.\r | |
689 | **/\r | |
690 | EFI_STATUS\r | |
691 | ProcessRmrr (\r | |
692 | IN EFI_ACPI_DMAR_RMRR_HEADER *DmarRmrr\r | |
693 | )\r | |
694 | {\r | |
695 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDevScopeEntry;\r | |
696 | UINT8 Bus;\r | |
697 | UINT8 Device;\r | |
698 | UINT8 Function;\r | |
699 | EFI_STATUS Status;\r | |
700 | VTD_SOURCE_ID SourceId;\r | |
701 | \r | |
702 | DEBUG ((DEBUG_INFO," RMRR (Base 0x%016lx, Limit 0x%016lx)\n", DmarRmrr->ReservedMemoryRegionBaseAddress, DmarRmrr->ReservedMemoryRegionLimitAddress));\r | |
703 | \r | |
704 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)(DmarRmrr + 1));\r | |
705 | while ((UINTN)DmarDevScopeEntry < (UINTN)DmarRmrr + DmarRmrr->Header.Length) {\r | |
706 | if (DmarDevScopeEntry->Type != EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT) {\r | |
707 | DEBUG ((DEBUG_INFO,"RMRR DevScopeEntryType is not endpoint, type[0x%x] \n", DmarDevScopeEntry->Type));\r | |
708 | return EFI_DEVICE_ERROR;\r | |
709 | }\r | |
710 | \r | |
711 | Status = GetPciBusDeviceFunction (DmarRmrr->SegmentNumber, DmarDevScopeEntry, &Bus, &Device, &Function);\r | |
712 | if (EFI_ERROR (Status)) {\r | |
713 | return Status;\r | |
714 | }\r | |
715 | \r | |
716 | DEBUG ((DEBUG_INFO,"RMRR S%04x B%02x D%02x F%02x\n", DmarRmrr->SegmentNumber, Bus, Device, Function));\r | |
717 | \r | |
718 | SourceId.Bits.Bus = Bus;\r | |
719 | SourceId.Bits.Device = Device;\r | |
720 | SourceId.Bits.Function = Function;\r | |
721 | Status = SetAccessAttribute (\r | |
722 | DmarRmrr->SegmentNumber,\r | |
723 | SourceId,\r | |
724 | DmarRmrr->ReservedMemoryRegionBaseAddress,\r | |
725 | DmarRmrr->ReservedMemoryRegionLimitAddress + 1 - DmarRmrr->ReservedMemoryRegionBaseAddress,\r | |
726 | EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE\r | |
727 | );\r | |
728 | if (EFI_ERROR (Status)) {\r | |
729 | return Status;\r | |
730 | }\r | |
731 | \r | |
732 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDevScopeEntry + DmarDevScopeEntry->Length);\r | |
733 | }\r | |
734 | \r | |
735 | return EFI_SUCCESS;\r | |
736 | }\r | |
737 | \r | |
738 | /**\r | |
739 | Get VTd engine number.\r | |
740 | **/\r | |
741 | UINTN\r | |
742 | GetVtdEngineNumber (\r | |
743 | VOID\r | |
744 | )\r | |
745 | {\r | |
746 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
747 | UINTN VtdIndex;\r | |
748 | \r | |
749 | VtdIndex = 0;\r | |
750 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));\r | |
751 | while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {\r | |
752 | switch (DmarHeader->Type) {\r | |
753 | case EFI_ACPI_DMAR_TYPE_DRHD:\r | |
754 | VtdIndex++;\r | |
755 | break;\r | |
756 | default:\r | |
757 | break;\r | |
758 | }\r | |
759 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
760 | }\r | |
761 | return VtdIndex ;\r | |
762 | }\r | |
763 | \r | |
764 | /**\r | |
765 | Parse DMAR DRHD table.\r | |
766 | \r | |
767 | @return EFI_SUCCESS The DMAR DRHD table is parsed.\r | |
768 | **/\r | |
769 | EFI_STATUS\r | |
770 | ParseDmarAcpiTableDrhd (\r | |
771 | VOID\r | |
772 | )\r | |
773 | {\r | |
774 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
775 | EFI_STATUS Status;\r | |
776 | UINTN VtdIndex;\r | |
777 | \r | |
778 | mVtdUnitNumber = GetVtdEngineNumber ();\r | |
779 | DEBUG ((DEBUG_INFO," VtdUnitNumber - %d\n", mVtdUnitNumber));\r | |
780 | ASSERT (mVtdUnitNumber > 0);\r | |
781 | if (mVtdUnitNumber == 0) {\r | |
782 | return EFI_DEVICE_ERROR;\r | |
783 | }\r | |
784 | \r | |
785 | mVtdUnitInformation = AllocateZeroPool (sizeof(*mVtdUnitInformation) * mVtdUnitNumber);\r | |
786 | ASSERT (mVtdUnitInformation != NULL);\r | |
787 | if (mVtdUnitInformation == NULL) {\r | |
788 | return EFI_OUT_OF_RESOURCES;\r | |
789 | }\r | |
790 | \r | |
791 | mVtdHostAddressWidthMask = LShiftU64 (1ull, mAcpiDmarTable->HostAddressWidth) - 1;\r | |
792 | \r | |
793 | VtdIndex = 0;\r | |
794 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));\r | |
795 | while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {\r | |
796 | switch (DmarHeader->Type) {\r | |
797 | case EFI_ACPI_DMAR_TYPE_DRHD:\r | |
798 | ASSERT (VtdIndex < mVtdUnitNumber);\r | |
799 | Status = ProcessDhrd (VtdIndex, (EFI_ACPI_DMAR_DRHD_HEADER *)DmarHeader);\r | |
800 | if (EFI_ERROR (Status)) {\r | |
801 | return Status;\r | |
802 | }\r | |
803 | VtdIndex++;\r | |
804 | \r | |
805 | break;\r | |
806 | \r | |
807 | default:\r | |
808 | break;\r | |
809 | }\r | |
810 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
811 | }\r | |
812 | ASSERT (VtdIndex == mVtdUnitNumber);\r | |
813 | \r | |
814 | for (VtdIndex = 0; VtdIndex < mVtdUnitNumber; VtdIndex++) {\r | |
815 | DumpPciDeviceInfo (VtdIndex);\r | |
816 | }\r | |
817 | return EFI_SUCCESS ;\r | |
818 | }\r | |
819 | \r | |
820 | /**\r | |
821 | Parse DMAR DRHD table.\r | |
822 | \r | |
823 | @return EFI_SUCCESS The DMAR DRHD table is parsed.\r | |
824 | **/\r | |
825 | EFI_STATUS\r | |
826 | ParseDmarAcpiTableRmrr (\r | |
827 | VOID\r | |
828 | )\r | |
829 | {\r | |
830 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
831 | EFI_STATUS Status;\r | |
832 | \r | |
833 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));\r | |
834 | while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {\r | |
835 | switch (DmarHeader->Type) {\r | |
836 | case EFI_ACPI_DMAR_TYPE_RMRR:\r | |
837 | Status = ProcessRmrr ((EFI_ACPI_DMAR_RMRR_HEADER *)DmarHeader);\r | |
838 | if (EFI_ERROR (Status)) {\r | |
839 | return Status;\r | |
840 | }\r | |
841 | break;\r | |
842 | default:\r | |
843 | break;\r | |
844 | }\r | |
845 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
846 | }\r | |
847 | return EFI_SUCCESS ;\r | |
848 | }\r | |
849 | \r | |
850 | /**\r | |
851 | This function scan ACPI table in RSDT.\r | |
852 | \r | |
853 | @param[in] Rsdt ACPI RSDT\r | |
854 | @param[in] Signature ACPI table signature\r | |
855 | \r | |
856 | @return ACPI table\r | |
857 | **/\r | |
858 | VOID *\r | |
859 | ScanTableInRSDT (\r | |
860 | IN RSDT_TABLE *Rsdt,\r | |
861 | IN UINT32 Signature\r | |
862 | )\r | |
863 | {\r | |
864 | UINTN Index;\r | |
865 | UINT32 EntryCount;\r | |
866 | UINT32 *EntryPtr;\r | |
867 | EFI_ACPI_DESCRIPTION_HEADER *Table;\r | |
868 | \r | |
869 | EntryCount = (Rsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT32);\r | |
870 | \r | |
871 | EntryPtr = &Rsdt->Entry;\r | |
872 | for (Index = 0; Index < EntryCount; Index ++, EntryPtr ++) {\r | |
873 | Table = (EFI_ACPI_DESCRIPTION_HEADER*)((UINTN)(*EntryPtr));\r | |
874 | if (Table->Signature == Signature) {\r | |
875 | return Table;\r | |
876 | }\r | |
877 | }\r | |
878 | \r | |
879 | return NULL;\r | |
880 | }\r | |
881 | \r | |
882 | /**\r | |
883 | This function scan ACPI table in XSDT.\r | |
884 | \r | |
885 | @param[in] Xsdt ACPI XSDT\r | |
886 | @param[in] Signature ACPI table signature\r | |
887 | \r | |
888 | @return ACPI table\r | |
889 | **/\r | |
890 | VOID *\r | |
891 | ScanTableInXSDT (\r | |
892 | IN XSDT_TABLE *Xsdt,\r | |
893 | IN UINT32 Signature\r | |
894 | )\r | |
895 | {\r | |
896 | UINTN Index;\r | |
897 | UINT32 EntryCount;\r | |
898 | UINT64 EntryPtr;\r | |
899 | UINTN BasePtr;\r | |
900 | EFI_ACPI_DESCRIPTION_HEADER *Table;\r | |
901 | \r | |
902 | EntryCount = (Xsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT64);\r | |
903 | \r | |
904 | BasePtr = (UINTN)(&(Xsdt->Entry));\r | |
905 | for (Index = 0; Index < EntryCount; Index ++) {\r | |
906 | CopyMem (&EntryPtr, (VOID *)(BasePtr + Index * sizeof(UINT64)), sizeof(UINT64));\r | |
907 | Table = (EFI_ACPI_DESCRIPTION_HEADER*)((UINTN)(EntryPtr));\r | |
908 | if (Table->Signature == Signature) {\r | |
909 | return Table;\r | |
910 | }\r | |
911 | }\r | |
912 | \r | |
913 | return NULL;\r | |
914 | }\r | |
915 | \r | |
916 | /**\r | |
917 | This function scan ACPI table in RSDP.\r | |
918 | \r | |
919 | @param[in] Rsdp ACPI RSDP\r | |
920 | @param[in] Signature ACPI table signature\r | |
921 | \r | |
922 | @return ACPI table\r | |
923 | **/\r | |
924 | VOID *\r | |
925 | FindAcpiPtr (\r | |
926 | IN EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp,\r | |
927 | IN UINT32 Signature\r | |
928 | )\r | |
929 | {\r | |
930 | EFI_ACPI_DESCRIPTION_HEADER *AcpiTable;\r | |
931 | RSDT_TABLE *Rsdt;\r | |
932 | XSDT_TABLE *Xsdt;\r | |
933 | \r | |
934 | AcpiTable = NULL;\r | |
935 | \r | |
936 | //\r | |
937 | // Check ACPI2.0 table\r | |
938 | //\r | |
939 | Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r | |
940 | Xsdt = NULL;\r | |
941 | if ((Rsdp->Revision >= 2) && (Rsdp->XsdtAddress < (UINT64)(UINTN)-1)) {\r | |
942 | Xsdt = (XSDT_TABLE *)(UINTN)Rsdp->XsdtAddress;\r | |
943 | }\r | |
944 | //\r | |
945 | // Check Xsdt\r | |
946 | //\r | |
947 | if (Xsdt != NULL) {\r | |
948 | AcpiTable = ScanTableInXSDT (Xsdt, Signature);\r | |
949 | }\r | |
950 | //\r | |
951 | // Check Rsdt\r | |
952 | //\r | |
953 | if ((AcpiTable == NULL) && (Rsdt != NULL)) {\r | |
954 | AcpiTable = ScanTableInRSDT (Rsdt, Signature);\r | |
955 | }\r | |
956 | \r | |
957 | return AcpiTable;\r | |
958 | }\r | |
959 | \r | |
960 | /**\r | |
961 | Get the DMAR ACPI table.\r | |
962 | \r | |
963 | @retval EFI_SUCCESS The DMAR ACPI table is got.\r | |
964 | @retval EFI_NOT_FOUND The DMAR ACPI table is not found.\r | |
965 | **/\r | |
966 | EFI_STATUS\r | |
967 | GetDmarAcpiTable (\r | |
968 | VOID\r | |
969 | )\r | |
970 | {\r | |
971 | VOID *AcpiTable;\r | |
972 | EFI_STATUS Status;\r | |
973 | \r | |
974 | AcpiTable = NULL;\r | |
975 | Status = EfiGetSystemConfigurationTable (\r | |
976 | &gEfiAcpi20TableGuid,\r | |
977 | &AcpiTable\r | |
978 | );\r | |
979 | if (EFI_ERROR (Status)) {\r | |
980 | Status = EfiGetSystemConfigurationTable (\r | |
981 | &gEfiAcpiTableGuid,\r | |
982 | &AcpiTable\r | |
983 | );\r | |
984 | }\r | |
985 | ASSERT (AcpiTable != NULL);\r | |
986 | \r | |
987 | mAcpiDmarTable = FindAcpiPtr (\r | |
988 | (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)AcpiTable,\r | |
989 | EFI_ACPI_4_0_DMA_REMAPPING_TABLE_SIGNATURE\r | |
990 | );\r | |
991 | DEBUG ((DEBUG_INFO,"DMAR Table - 0x%08x\n", mAcpiDmarTable));\r | |
992 | if (mAcpiDmarTable == NULL) {\r | |
993 | return EFI_UNSUPPORTED;\r | |
994 | }\r | |
995 | VtdDumpDmarTable();\r | |
996 | \r | |
997 | return EFI_SUCCESS;\r | |
998 | }\r |