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c049fc99 JY |
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 | |
f77d35c7 JY |
52 | ));\r |
53 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 | 54 | " * DMA-Remapping Device Scope Entry Structure *\n"\r |
f77d35c7 JY |
55 | ));\r |
56 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 JY |
57 | " *************************************************************************\n"\r |
58 | ));\r | |
59 | DEBUG ((DEBUG_INFO,\r | |
60 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
61 | " DMAR Device Scope Entry address ...................... 0x%016lx\n" :\r | |
62 | " DMAR Device Scope Entry address ...................... 0x%08x\n",\r | |
63 | DmarDeviceScopeEntry\r | |
64 | ));\r | |
65 | DEBUG ((DEBUG_INFO,\r | |
66 | " Device Scope Entry Type ............................ 0x%02x\n",\r | |
67 | DmarDeviceScopeEntry->Type\r | |
68 | ));\r | |
69 | switch (DmarDeviceScopeEntry->Type) {\r | |
70 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
71 | DEBUG ((DEBUG_INFO,\r | |
72 | " PCI Endpoint Device\n"\r | |
73 | ));\r | |
74 | break;\r | |
75 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
76 | DEBUG ((DEBUG_INFO,\r | |
77 | " PCI Sub-hierachy\n"\r | |
78 | ));\r | |
79 | break;\r | |
80 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_IOAPIC:\r | |
81 | DEBUG ((DEBUG_INFO,\r | |
82 | " IOAPIC\n"\r | |
83 | ));\r | |
84 | break;\r | |
85 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_MSI_CAPABLE_HPET:\r | |
86 | DEBUG ((DEBUG_INFO,\r | |
87 | " MSI Capable HPET\n"\r | |
88 | ));\r | |
89 | break;\r | |
90 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_ACPI_NAMESPACE_DEVICE:\r | |
91 | DEBUG ((DEBUG_INFO,\r | |
92 | " ACPI Namespace Device\n"\r | |
93 | ));\r | |
94 | break;\r | |
95 | default:\r | |
96 | break;\r | |
97 | }\r | |
98 | DEBUG ((DEBUG_INFO,\r | |
99 | " Length ............................................. 0x%02x\n",\r | |
100 | DmarDeviceScopeEntry->Length\r | |
101 | ));\r | |
102 | DEBUG ((DEBUG_INFO,\r | |
103 | " Enumeration ID ..................................... 0x%02x\n",\r | |
104 | DmarDeviceScopeEntry->EnumerationId\r | |
105 | ));\r | |
106 | DEBUG ((DEBUG_INFO,\r | |
107 | " Starting Bus Number ................................ 0x%02x\n",\r | |
108 | DmarDeviceScopeEntry->StartBusNumber\r | |
109 | ));\r | |
110 | \r | |
111 | PciPathNumber = (DmarDeviceScopeEntry->Length - sizeof(EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER)) / sizeof(EFI_ACPI_DMAR_PCI_PATH);\r | |
112 | PciPath = (EFI_ACPI_DMAR_PCI_PATH *)(DmarDeviceScopeEntry + 1);\r | |
113 | for (PciPathIndex = 0; PciPathIndex < PciPathNumber; PciPathIndex++) {\r | |
114 | DEBUG ((DEBUG_INFO,\r | |
115 | " Device ............................................. 0x%02x\n",\r | |
116 | PciPath[PciPathIndex].Device\r | |
117 | ));\r | |
118 | DEBUG ((DEBUG_INFO,\r | |
119 | " Function ........................................... 0x%02x\n",\r | |
120 | PciPath[PciPathIndex].Function\r | |
121 | ));\r | |
122 | }\r | |
123 | \r | |
124 | DEBUG ((DEBUG_INFO,\r | |
125 | " *************************************************************************\n\n"\r | |
126 | ));\r | |
127 | \r | |
128 | return;\r | |
129 | }\r | |
130 | \r | |
131 | /**\r | |
132 | Dump DMAR ANDD table.\r | |
133 | \r | |
134 | @param[in] Andd DMAR ANDD table\r | |
135 | **/\r | |
136 | VOID\r | |
137 | DumpDmarAndd (\r | |
138 | IN EFI_ACPI_DMAR_ANDD_HEADER *Andd\r | |
139 | )\r | |
140 | {\r | |
141 | if (Andd == NULL) {\r | |
142 | return;\r | |
143 | }\r | |
144 | \r | |
145 | DEBUG ((DEBUG_INFO,\r | |
146 | " ***************************************************************************\n"\r | |
f77d35c7 JY |
147 | ));\r |
148 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 | 149 | " * ACPI Name-space Device Declaration Structure *\n"\r |
f77d35c7 JY |
150 | ));\r |
151 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 JY |
152 | " ***************************************************************************\n"\r |
153 | ));\r | |
154 | DEBUG ((DEBUG_INFO,\r | |
155 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
156 | " ANDD address ........................................... 0x%016lx\n" :\r | |
157 | " ANDD address ........................................... 0x%08x\n",\r | |
158 | Andd\r | |
159 | ));\r | |
160 | DEBUG ((DEBUG_INFO,\r | |
161 | " Type ................................................. 0x%04x\n",\r | |
162 | Andd->Header.Type\r | |
163 | ));\r | |
164 | DEBUG ((DEBUG_INFO,\r | |
165 | " Length ............................................... 0x%04x\n",\r | |
166 | Andd->Header.Length\r | |
167 | ));\r | |
168 | DEBUG ((DEBUG_INFO,\r | |
169 | " ACPI Device Number ................................... 0x%02x\n",\r | |
170 | Andd->AcpiDeviceNumber\r | |
171 | ));\r | |
172 | DEBUG ((DEBUG_INFO,\r | |
173 | " ACPI Object Name ..................................... '%a'\n",\r | |
174 | (Andd + 1)\r | |
175 | ));\r | |
176 | \r | |
177 | DEBUG ((DEBUG_INFO,\r | |
178 | " ***************************************************************************\n\n"\r | |
179 | ));\r | |
180 | \r | |
181 | return;\r | |
182 | }\r | |
183 | \r | |
184 | /**\r | |
185 | Dump DMAR RHSA table.\r | |
186 | \r | |
187 | @param[in] Rhsa DMAR RHSA table\r | |
188 | **/\r | |
189 | VOID\r | |
190 | DumpDmarRhsa (\r | |
191 | IN EFI_ACPI_DMAR_RHSA_HEADER *Rhsa\r | |
192 | )\r | |
193 | {\r | |
194 | if (Rhsa == NULL) {\r | |
195 | return;\r | |
196 | }\r | |
197 | \r | |
198 | DEBUG ((DEBUG_INFO,\r | |
199 | " ***************************************************************************\n"\r | |
f77d35c7 JY |
200 | ));\r |
201 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 | 202 | " * Remapping Hardware Status Affinity Structure *\n"\r |
f77d35c7 JY |
203 | ));\r |
204 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 JY |
205 | " ***************************************************************************\n"\r |
206 | ));\r | |
207 | DEBUG ((DEBUG_INFO,\r | |
208 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
209 | " RHSA address ........................................... 0x%016lx\n" :\r | |
210 | " RHSA address ........................................... 0x%08x\n",\r | |
211 | Rhsa\r | |
212 | ));\r | |
213 | DEBUG ((DEBUG_INFO,\r | |
214 | " Type ................................................. 0x%04x\n",\r | |
215 | Rhsa->Header.Type\r | |
216 | ));\r | |
217 | DEBUG ((DEBUG_INFO,\r | |
218 | " Length ............................................... 0x%04x\n",\r | |
219 | Rhsa->Header.Length\r | |
220 | ));\r | |
221 | DEBUG ((DEBUG_INFO,\r | |
222 | " Register Base Address ................................ 0x%016lx\n",\r | |
223 | Rhsa->RegisterBaseAddress\r | |
224 | ));\r | |
225 | DEBUG ((DEBUG_INFO,\r | |
226 | " Proximity Domain ..................................... 0x%08x\n",\r | |
227 | Rhsa->ProximityDomain\r | |
228 | ));\r | |
229 | \r | |
230 | DEBUG ((DEBUG_INFO,\r | |
231 | " ***************************************************************************\n\n"\r | |
232 | ));\r | |
233 | \r | |
234 | return;\r | |
235 | }\r | |
236 | \r | |
237 | /**\r | |
238 | Dump DMAR ATSR table.\r | |
239 | \r | |
240 | @param[in] Atsr DMAR ATSR table\r | |
241 | **/\r | |
242 | VOID\r | |
243 | DumpDmarAtsr (\r | |
244 | IN EFI_ACPI_DMAR_ATSR_HEADER *Atsr\r | |
245 | )\r | |
246 | {\r | |
247 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDeviceScopeEntry;\r | |
248 | INTN AtsrLen;\r | |
249 | \r | |
250 | if (Atsr == NULL) {\r | |
251 | return;\r | |
252 | }\r | |
253 | \r | |
254 | DEBUG ((DEBUG_INFO,\r | |
255 | " ***************************************************************************\n"\r | |
f77d35c7 JY |
256 | ));\r |
257 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 | 258 | " * Root Port ATS Capability Reporting Structure *\n"\r |
f77d35c7 JY |
259 | ));\r |
260 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 JY |
261 | " ***************************************************************************\n"\r |
262 | ));\r | |
263 | DEBUG ((DEBUG_INFO,\r | |
264 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
265 | " ATSR address ........................................... 0x%016lx\n" :\r | |
266 | " ATSR address ........................................... 0x%08x\n",\r | |
267 | Atsr\r | |
268 | ));\r | |
269 | DEBUG ((DEBUG_INFO,\r | |
270 | " Type ................................................. 0x%04x\n",\r | |
271 | Atsr->Header.Type\r | |
272 | ));\r | |
273 | DEBUG ((DEBUG_INFO,\r | |
274 | " Length ............................................... 0x%04x\n",\r | |
275 | Atsr->Header.Length\r | |
276 | ));\r | |
277 | DEBUG ((DEBUG_INFO,\r | |
278 | " Flags ................................................ 0x%02x\n",\r | |
279 | Atsr->Flags\r | |
280 | ));\r | |
281 | DEBUG ((DEBUG_INFO,\r | |
282 | " ALL_PORTS .......................................... 0x%02x\n",\r | |
283 | Atsr->Flags & EFI_ACPI_DMAR_ATSR_FLAGS_ALL_PORTS\r | |
284 | ));\r | |
285 | DEBUG ((DEBUG_INFO,\r | |
286 | " Segment Number ....................................... 0x%04x\n",\r | |
287 | Atsr->SegmentNumber\r | |
288 | ));\r | |
289 | \r | |
290 | AtsrLen = Atsr->Header.Length - sizeof(EFI_ACPI_DMAR_ATSR_HEADER);\r | |
291 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)(Atsr + 1);\r | |
292 | while (AtsrLen > 0) {\r | |
293 | DumpDmarDeviceScopeEntry (DmarDeviceScopeEntry);\r | |
294 | AtsrLen -= DmarDeviceScopeEntry->Length;\r | |
295 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDeviceScopeEntry + DmarDeviceScopeEntry->Length);\r | |
296 | }\r | |
297 | \r | |
298 | DEBUG ((DEBUG_INFO,\r | |
299 | " ***************************************************************************\n\n"\r | |
300 | ));\r | |
301 | \r | |
302 | return;\r | |
303 | }\r | |
304 | \r | |
305 | /**\r | |
306 | Dump DMAR RMRR table.\r | |
307 | \r | |
308 | @param[in] Rmrr DMAR RMRR table\r | |
309 | **/\r | |
310 | VOID\r | |
311 | DumpDmarRmrr (\r | |
312 | IN EFI_ACPI_DMAR_RMRR_HEADER *Rmrr\r | |
313 | )\r | |
314 | {\r | |
315 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDeviceScopeEntry;\r | |
316 | INTN RmrrLen;\r | |
317 | \r | |
318 | if (Rmrr == NULL) {\r | |
319 | return;\r | |
320 | }\r | |
321 | \r | |
322 | DEBUG ((DEBUG_INFO,\r | |
323 | " ***************************************************************************\n"\r | |
f77d35c7 JY |
324 | ));\r |
325 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 | 326 | " * Reserved Memory Region Reporting Structure *\n"\r |
f77d35c7 JY |
327 | ));\r |
328 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 JY |
329 | " ***************************************************************************\n"\r |
330 | ));\r | |
331 | DEBUG ((DEBUG_INFO,\r | |
332 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
333 | " RMRR address ........................................... 0x%016lx\n" :\r | |
334 | " RMRR address ........................................... 0x%08x\n",\r | |
335 | Rmrr\r | |
336 | ));\r | |
337 | DEBUG ((DEBUG_INFO,\r | |
338 | " Type ................................................. 0x%04x\n",\r | |
339 | Rmrr->Header.Type\r | |
340 | ));\r | |
341 | DEBUG ((DEBUG_INFO,\r | |
342 | " Length ............................................... 0x%04x\n",\r | |
343 | Rmrr->Header.Length\r | |
344 | ));\r | |
345 | DEBUG ((DEBUG_INFO,\r | |
346 | " Segment Number ....................................... 0x%04x\n",\r | |
347 | Rmrr->SegmentNumber\r | |
348 | ));\r | |
349 | DEBUG ((DEBUG_INFO,\r | |
350 | " Reserved Memory Region Base Address .................. 0x%016lx\n",\r | |
351 | Rmrr->ReservedMemoryRegionBaseAddress\r | |
352 | ));\r | |
353 | DEBUG ((DEBUG_INFO,\r | |
354 | " Reserved Memory Region Limit Address ................. 0x%016lx\n",\r | |
355 | Rmrr->ReservedMemoryRegionLimitAddress\r | |
356 | ));\r | |
357 | \r | |
358 | RmrrLen = Rmrr->Header.Length - sizeof(EFI_ACPI_DMAR_RMRR_HEADER);\r | |
359 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)(Rmrr + 1);\r | |
360 | while (RmrrLen > 0) {\r | |
361 | DumpDmarDeviceScopeEntry (DmarDeviceScopeEntry);\r | |
362 | RmrrLen -= DmarDeviceScopeEntry->Length;\r | |
363 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDeviceScopeEntry + DmarDeviceScopeEntry->Length);\r | |
364 | }\r | |
365 | \r | |
366 | DEBUG ((DEBUG_INFO,\r | |
367 | " ***************************************************************************\n\n"\r | |
368 | ));\r | |
369 | \r | |
370 | return;\r | |
371 | }\r | |
372 | \r | |
373 | /**\r | |
374 | Dump DMAR DRHD table.\r | |
375 | \r | |
376 | @param[in] Drhd DMAR DRHD table\r | |
377 | **/\r | |
378 | VOID\r | |
379 | DumpDmarDrhd (\r | |
380 | IN EFI_ACPI_DMAR_DRHD_HEADER *Drhd\r | |
381 | )\r | |
382 | {\r | |
383 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDeviceScopeEntry;\r | |
384 | INTN DrhdLen;\r | |
385 | \r | |
386 | if (Drhd == NULL) {\r | |
387 | return;\r | |
388 | }\r | |
389 | \r | |
390 | DEBUG ((DEBUG_INFO,\r | |
391 | " ***************************************************************************\n"\r | |
f77d35c7 JY |
392 | ));\r |
393 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 | 394 | " * DMA-Remapping Hardware Definition Structure *\n"\r |
f77d35c7 JY |
395 | ));\r |
396 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 JY |
397 | " ***************************************************************************\n"\r |
398 | ));\r | |
399 | DEBUG ((DEBUG_INFO,\r | |
400 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
401 | " DRHD address ........................................... 0x%016lx\n" :\r | |
402 | " DRHD address ........................................... 0x%08x\n",\r | |
403 | Drhd\r | |
404 | ));\r | |
405 | DEBUG ((DEBUG_INFO,\r | |
406 | " Type ................................................. 0x%04x\n",\r | |
407 | Drhd->Header.Type\r | |
408 | ));\r | |
409 | DEBUG ((DEBUG_INFO,\r | |
410 | " Length ............................................... 0x%04x\n",\r | |
411 | Drhd->Header.Length\r | |
412 | ));\r | |
413 | DEBUG ((DEBUG_INFO,\r | |
414 | " Flags ................................................ 0x%02x\n",\r | |
415 | Drhd->Flags\r | |
416 | ));\r | |
417 | DEBUG ((DEBUG_INFO,\r | |
418 | " INCLUDE_PCI_ALL .................................... 0x%02x\n",\r | |
419 | Drhd->Flags & EFI_ACPI_DMAR_DRHD_FLAGS_INCLUDE_PCI_ALL\r | |
420 | ));\r | |
421 | DEBUG ((DEBUG_INFO,\r | |
422 | " Segment Number ....................................... 0x%04x\n",\r | |
423 | Drhd->SegmentNumber\r | |
424 | ));\r | |
425 | DEBUG ((DEBUG_INFO,\r | |
426 | " Register Base Address ................................ 0x%016lx\n",\r | |
427 | Drhd->RegisterBaseAddress\r | |
428 | ));\r | |
429 | \r | |
430 | DrhdLen = Drhd->Header.Length - sizeof(EFI_ACPI_DMAR_DRHD_HEADER);\r | |
431 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)(Drhd + 1);\r | |
432 | while (DrhdLen > 0) {\r | |
433 | DumpDmarDeviceScopeEntry (DmarDeviceScopeEntry);\r | |
434 | DrhdLen -= DmarDeviceScopeEntry->Length;\r | |
435 | DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDeviceScopeEntry + DmarDeviceScopeEntry->Length);\r | |
436 | }\r | |
437 | \r | |
438 | DEBUG ((DEBUG_INFO,\r | |
439 | " ***************************************************************************\n\n"\r | |
440 | ));\r | |
441 | \r | |
442 | return;\r | |
443 | }\r | |
444 | \r | |
445 | /**\r | |
446 | Dump DMAR ACPI table.\r | |
447 | \r | |
448 | @param[in] Dmar DMAR ACPI table\r | |
449 | **/\r | |
450 | VOID\r | |
451 | DumpAcpiDMAR (\r | |
452 | IN EFI_ACPI_DMAR_HEADER *Dmar\r | |
453 | )\r | |
454 | {\r | |
455 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
456 | INTN DmarLen;\r | |
457 | \r | |
458 | if (Dmar == NULL) {\r | |
459 | return;\r | |
460 | }\r | |
461 | \r | |
462 | //\r | |
463 | // Dump Dmar table\r | |
464 | //\r | |
465 | DEBUG ((DEBUG_INFO,\r | |
466 | "*****************************************************************************\n"\r | |
f77d35c7 JY |
467 | ));\r |
468 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 | 469 | "* DMAR Table *\n"\r |
f77d35c7 JY |
470 | ));\r |
471 | DEBUG ((DEBUG_INFO,\r | |
c049fc99 JY |
472 | "*****************************************************************************\n"\r |
473 | ));\r | |
474 | \r | |
475 | DEBUG ((DEBUG_INFO,\r | |
476 | (sizeof(UINTN) == sizeof(UINT64)) ?\r | |
477 | "DMAR address ............................................. 0x%016lx\n" :\r | |
478 | "DMAR address ............................................. 0x%08x\n",\r | |
479 | Dmar\r | |
480 | ));\r | |
481 | \r | |
482 | DEBUG ((DEBUG_INFO,\r | |
483 | " Table Contents:\n"\r | |
484 | ));\r | |
485 | DEBUG ((DEBUG_INFO,\r | |
486 | " Host Address Width ................................... 0x%02x\n",\r | |
487 | Dmar->HostAddressWidth\r | |
488 | ));\r | |
489 | DEBUG ((DEBUG_INFO,\r | |
490 | " Flags ................................................ 0x%02x\n",\r | |
491 | Dmar->Flags\r | |
492 | ));\r | |
493 | DEBUG ((DEBUG_INFO,\r | |
494 | " INTR_REMAP ......................................... 0x%02x\n",\r | |
495 | Dmar->Flags & EFI_ACPI_DMAR_FLAGS_INTR_REMAP\r | |
496 | ));\r | |
497 | DEBUG ((DEBUG_INFO,\r | |
498 | " X2APIC_OPT_OUT_SET ................................. 0x%02x\n",\r | |
499 | Dmar->Flags & EFI_ACPI_DMAR_FLAGS_X2APIC_OPT_OUT\r | |
500 | ));\r | |
501 | \r | |
502 | DmarLen = Dmar->Header.Length - sizeof(EFI_ACPI_DMAR_HEADER);\r | |
503 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)(Dmar + 1);\r | |
504 | while (DmarLen > 0) {\r | |
505 | switch (DmarHeader->Type) {\r | |
506 | case EFI_ACPI_DMAR_TYPE_DRHD:\r | |
507 | DumpDmarDrhd ((EFI_ACPI_DMAR_DRHD_HEADER *)DmarHeader);\r | |
508 | break;\r | |
509 | case EFI_ACPI_DMAR_TYPE_RMRR:\r | |
510 | DumpDmarRmrr ((EFI_ACPI_DMAR_RMRR_HEADER *)DmarHeader);\r | |
511 | break;\r | |
512 | case EFI_ACPI_DMAR_TYPE_ATSR:\r | |
513 | DumpDmarAtsr ((EFI_ACPI_DMAR_ATSR_HEADER *)DmarHeader);\r | |
514 | break;\r | |
515 | case EFI_ACPI_DMAR_TYPE_RHSA:\r | |
516 | DumpDmarRhsa ((EFI_ACPI_DMAR_RHSA_HEADER *)DmarHeader);\r | |
517 | break;\r | |
518 | case EFI_ACPI_DMAR_TYPE_ANDD:\r | |
519 | DumpDmarAndd ((EFI_ACPI_DMAR_ANDD_HEADER *)DmarHeader);\r | |
520 | break;\r | |
521 | default:\r | |
522 | break;\r | |
523 | }\r | |
524 | DmarLen -= DmarHeader->Length;\r | |
525 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
526 | }\r | |
527 | \r | |
528 | DEBUG ((DEBUG_INFO,\r | |
529 | "*****************************************************************************\n\n"\r | |
530 | ));\r | |
531 | \r | |
532 | return;\r | |
533 | }\r | |
534 | \r | |
535 | /**\r | |
536 | Dump DMAR ACPI table.\r | |
537 | **/\r | |
538 | VOID\r | |
539 | VtdDumpDmarTable (\r | |
540 | VOID\r | |
541 | )\r | |
542 | {\r | |
543 | DumpAcpiDMAR ((EFI_ACPI_DMAR_HEADER *)(UINTN)mAcpiDmarTable);\r | |
544 | }\r | |
545 | \r | |
546 | /**\r | |
547 | Get PCI device information from DMAR DevScopeEntry.\r | |
548 | \r | |
549 | @param[in] Segment The segment number.\r | |
550 | @param[in] DmarDevScopeEntry DMAR DevScopeEntry\r | |
551 | @param[out] Bus The bus number.\r | |
552 | @param[out] Device The device number.\r | |
553 | @param[out] Function The function number.\r | |
554 | \r | |
555 | @retval EFI_SUCCESS The PCI device information is returned.\r | |
556 | **/\r | |
557 | EFI_STATUS\r | |
558 | GetPciBusDeviceFunction (\r | |
559 | IN UINT16 Segment,\r | |
560 | IN EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDevScopeEntry,\r | |
561 | OUT UINT8 *Bus,\r | |
562 | OUT UINT8 *Device,\r | |
563 | OUT UINT8 *Function\r | |
564 | )\r | |
565 | {\r | |
566 | EFI_ACPI_DMAR_PCI_PATH *DmarPciPath;\r | |
567 | UINT8 MyBus;\r | |
568 | UINT8 MyDevice;\r | |
569 | UINT8 MyFunction;\r | |
570 | \r | |
571 | DmarPciPath = (EFI_ACPI_DMAR_PCI_PATH *)((UINTN)(DmarDevScopeEntry + 1));\r | |
572 | MyBus = DmarDevScopeEntry->StartBusNumber;\r | |
573 | MyDevice = DmarPciPath->Device;\r | |
574 | MyFunction = DmarPciPath->Function;\r | |
575 | \r | |
576 | switch (DmarDevScopeEntry->Type) {\r | |
577 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
578 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
f77d35c7 | 579 | while ((UINTN)DmarPciPath + sizeof(EFI_ACPI_DMAR_PCI_PATH) < (UINTN)DmarDevScopeEntry + DmarDevScopeEntry->Length) {\r |
c049fc99 | 580 | MyBus = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, MyBus, MyDevice, MyFunction, PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET));\r |
f77d35c7 | 581 | DmarPciPath ++;\r |
c049fc99 JY |
582 | MyDevice = DmarPciPath->Device;\r |
583 | MyFunction = DmarPciPath->Function;\r | |
c049fc99 JY |
584 | }\r |
585 | break;\r | |
586 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_IOAPIC:\r | |
587 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_MSI_CAPABLE_HPET:\r | |
588 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_ACPI_NAMESPACE_DEVICE:\r | |
589 | break;\r | |
590 | }\r | |
591 | \r | |
592 | *Bus = MyBus;\r | |
593 | *Device = MyDevice;\r | |
594 | *Function = MyFunction;\r | |
595 | \r | |
596 | return EFI_SUCCESS;\r | |
597 | }\r | |
598 | \r | |
599 | /**\r | |
600 | Process DMAR DHRD table.\r | |
601 | \r | |
602 | @param[in] VtdIndex The index of VTd engine.\r | |
603 | @param[in] DmarDrhd The DRHD table.\r | |
604 | \r | |
605 | @retval EFI_SUCCESS The DRHD table is processed.\r | |
606 | **/\r | |
607 | EFI_STATUS\r | |
608 | ProcessDhrd (\r | |
609 | IN UINTN VtdIndex,\r | |
610 | IN EFI_ACPI_DMAR_DRHD_HEADER *DmarDrhd\r | |
611 | )\r | |
612 | {\r | |
613 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDevScopeEntry;\r | |
614 | UINT8 Bus;\r | |
615 | UINT8 Device;\r | |
616 | UINT8 Function;\r | |
617 | UINT8 SecondaryBusNumber;\r | |
618 | EFI_STATUS Status;\r | |
619 | VTD_SOURCE_ID SourceId;\r | |
c049fc99 JY |
620 | \r |
621 | mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress = (UINTN)DmarDrhd->RegisterBaseAddress;\r | |
622 | DEBUG ((DEBUG_INFO," VTD (%d) BaseAddress - 0x%016lx\n", VtdIndex, DmarDrhd->RegisterBaseAddress));\r | |
623 | \r | |
624 | mVtdUnitInformation[VtdIndex].Segment = DmarDrhd->SegmentNumber;\r | |
625 | \r | |
626 | if ((DmarDrhd->Flags & EFI_ACPI_DMAR_DRHD_FLAGS_INCLUDE_PCI_ALL) != 0) {\r | |
627 | mVtdUnitInformation[VtdIndex].PciDeviceInfo.IncludeAllFlag = TRUE;\r | |
628 | DEBUG ((DEBUG_INFO," ProcessDhrd: with INCLUDE ALL\n"));\r | |
629 | \r | |
f77d35c7 | 630 | Status = ScanPciBus((VOID *)VtdIndex, DmarDrhd->SegmentNumber, 0, ScanBusCallbackRegisterPciDevice);\r |
c049fc99 JY |
631 | if (EFI_ERROR (Status)) {\r |
632 | return Status;\r | |
633 | }\r | |
634 | } else {\r | |
635 | mVtdUnitInformation[VtdIndex].PciDeviceInfo.IncludeAllFlag = FALSE;\r | |
636 | DEBUG ((DEBUG_INFO," ProcessDhrd: without INCLUDE ALL\n"));\r | |
637 | }\r | |
638 | \r | |
639 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)(DmarDrhd + 1));\r | |
640 | while ((UINTN)DmarDevScopeEntry < (UINTN)DmarDrhd + DmarDrhd->Header.Length) {\r | |
641 | \r | |
642 | Status = GetPciBusDeviceFunction (DmarDrhd->SegmentNumber, DmarDevScopeEntry, &Bus, &Device, &Function);\r | |
643 | if (EFI_ERROR (Status)) {\r | |
644 | return Status;\r | |
645 | }\r | |
c049fc99 JY |
646 | \r |
647 | DEBUG ((DEBUG_INFO," ProcessDhrd: "));\r | |
648 | switch (DmarDevScopeEntry->Type) {\r | |
649 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
650 | DEBUG ((DEBUG_INFO,"PCI Endpoint"));\r | |
651 | break;\r | |
652 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
653 | DEBUG ((DEBUG_INFO,"PCI-PCI bridge"));\r | |
654 | break;\r | |
655 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_IOAPIC:\r | |
656 | DEBUG ((DEBUG_INFO,"IOAPIC"));\r | |
657 | break;\r | |
658 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_MSI_CAPABLE_HPET:\r | |
659 | DEBUG ((DEBUG_INFO,"MSI Capable HPET"));\r | |
660 | break;\r | |
661 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_ACPI_NAMESPACE_DEVICE:\r | |
662 | DEBUG ((DEBUG_INFO,"ACPI Namespace Device"));\r | |
663 | break;\r | |
664 | }\r | |
665 | DEBUG ((DEBUG_INFO," S%04x B%02x D%02x F%02x\n", DmarDrhd->SegmentNumber, Bus, Device, Function));\r | |
666 | \r | |
667 | SourceId.Bits.Bus = Bus;\r | |
668 | SourceId.Bits.Device = Device;\r | |
669 | SourceId.Bits.Function = Function;\r | |
670 | \r | |
f77d35c7 | 671 | Status = RegisterPciDevice (VtdIndex, DmarDrhd->SegmentNumber, SourceId, DmarDevScopeEntry->Type, TRUE);\r |
c049fc99 JY |
672 | if (EFI_ERROR (Status)) {\r |
673 | //\r | |
674 | // There might be duplication for special device other than standard PCI device.\r | |
675 | //\r | |
676 | switch (DmarDevScopeEntry->Type) {\r | |
677 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT:\r | |
678 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
679 | return Status;\r | |
680 | }\r | |
681 | }\r | |
682 | \r | |
683 | switch (DmarDevScopeEntry->Type) {\r | |
684 | case EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE:\r | |
685 | SecondaryBusNumber = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(DmarDrhd->SegmentNumber, Bus, Device, Function, PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET));\r | |
f77d35c7 | 686 | Status = ScanPciBus ((VOID *)VtdIndex, DmarDrhd->SegmentNumber, SecondaryBusNumber, ScanBusCallbackRegisterPciDevice);\r |
c049fc99 JY |
687 | if (EFI_ERROR (Status)) {\r |
688 | return Status;\r | |
689 | }\r | |
690 | break;\r | |
691 | default:\r | |
692 | break;\r | |
693 | }\r | |
694 | \r | |
695 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDevScopeEntry + DmarDevScopeEntry->Length);\r | |
696 | }\r | |
697 | \r | |
698 | return EFI_SUCCESS;\r | |
699 | }\r | |
700 | \r | |
701 | /**\r | |
702 | Process DMAR RMRR table.\r | |
703 | \r | |
704 | @param[in] DmarRmrr The RMRR table.\r | |
705 | \r | |
706 | @retval EFI_SUCCESS The RMRR table is processed.\r | |
707 | **/\r | |
708 | EFI_STATUS\r | |
709 | ProcessRmrr (\r | |
710 | IN EFI_ACPI_DMAR_RMRR_HEADER *DmarRmrr\r | |
711 | )\r | |
712 | {\r | |
713 | EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *DmarDevScopeEntry;\r | |
714 | UINT8 Bus;\r | |
715 | UINT8 Device;\r | |
716 | UINT8 Function;\r | |
717 | EFI_STATUS Status;\r | |
718 | VTD_SOURCE_ID SourceId;\r | |
719 | \r | |
720 | DEBUG ((DEBUG_INFO," RMRR (Base 0x%016lx, Limit 0x%016lx)\n", DmarRmrr->ReservedMemoryRegionBaseAddress, DmarRmrr->ReservedMemoryRegionLimitAddress));\r | |
721 | \r | |
722 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)(DmarRmrr + 1));\r | |
723 | while ((UINTN)DmarDevScopeEntry < (UINTN)DmarRmrr + DmarRmrr->Header.Length) {\r | |
724 | if (DmarDevScopeEntry->Type != EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT) {\r | |
725 | DEBUG ((DEBUG_INFO,"RMRR DevScopeEntryType is not endpoint, type[0x%x] \n", DmarDevScopeEntry->Type));\r | |
726 | return EFI_DEVICE_ERROR;\r | |
727 | }\r | |
728 | \r | |
729 | Status = GetPciBusDeviceFunction (DmarRmrr->SegmentNumber, DmarDevScopeEntry, &Bus, &Device, &Function);\r | |
730 | if (EFI_ERROR (Status)) {\r | |
731 | return Status;\r | |
732 | }\r | |
733 | \r | |
734 | DEBUG ((DEBUG_INFO,"RMRR S%04x B%02x D%02x F%02x\n", DmarRmrr->SegmentNumber, Bus, Device, Function));\r | |
735 | \r | |
736 | SourceId.Bits.Bus = Bus;\r | |
737 | SourceId.Bits.Device = Device;\r | |
738 | SourceId.Bits.Function = Function;\r | |
739 | Status = SetAccessAttribute (\r | |
740 | DmarRmrr->SegmentNumber,\r | |
741 | SourceId,\r | |
742 | DmarRmrr->ReservedMemoryRegionBaseAddress,\r | |
743 | DmarRmrr->ReservedMemoryRegionLimitAddress + 1 - DmarRmrr->ReservedMemoryRegionBaseAddress,\r | |
744 | EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE\r | |
745 | );\r | |
746 | if (EFI_ERROR (Status)) {\r | |
747 | return Status;\r | |
748 | }\r | |
749 | \r | |
750 | DmarDevScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDevScopeEntry + DmarDevScopeEntry->Length);\r | |
751 | }\r | |
752 | \r | |
753 | return EFI_SUCCESS;\r | |
754 | }\r | |
755 | \r | |
756 | /**\r | |
757 | Get VTd engine number.\r | |
758 | **/\r | |
759 | UINTN\r | |
760 | GetVtdEngineNumber (\r | |
761 | VOID\r | |
762 | )\r | |
763 | {\r | |
764 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
765 | UINTN VtdIndex;\r | |
766 | \r | |
767 | VtdIndex = 0;\r | |
768 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));\r | |
769 | while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {\r | |
770 | switch (DmarHeader->Type) {\r | |
771 | case EFI_ACPI_DMAR_TYPE_DRHD:\r | |
772 | VtdIndex++;\r | |
773 | break;\r | |
774 | default:\r | |
775 | break;\r | |
776 | }\r | |
777 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
778 | }\r | |
779 | return VtdIndex ;\r | |
780 | }\r | |
781 | \r | |
782 | /**\r | |
783 | Parse DMAR DRHD table.\r | |
784 | \r | |
785 | @return EFI_SUCCESS The DMAR DRHD table is parsed.\r | |
786 | **/\r | |
787 | EFI_STATUS\r | |
788 | ParseDmarAcpiTableDrhd (\r | |
789 | VOID\r | |
790 | )\r | |
791 | {\r | |
792 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
793 | EFI_STATUS Status;\r | |
794 | UINTN VtdIndex;\r | |
795 | \r | |
796 | mVtdUnitNumber = GetVtdEngineNumber ();\r | |
797 | DEBUG ((DEBUG_INFO," VtdUnitNumber - %d\n", mVtdUnitNumber));\r | |
798 | ASSERT (mVtdUnitNumber > 0);\r | |
799 | if (mVtdUnitNumber == 0) {\r | |
800 | return EFI_DEVICE_ERROR;\r | |
801 | }\r | |
802 | \r | |
803 | mVtdUnitInformation = AllocateZeroPool (sizeof(*mVtdUnitInformation) * mVtdUnitNumber);\r | |
804 | ASSERT (mVtdUnitInformation != NULL);\r | |
805 | if (mVtdUnitInformation == NULL) {\r | |
806 | return EFI_OUT_OF_RESOURCES;\r | |
807 | }\r | |
808 | \r | |
809 | mVtdHostAddressWidthMask = LShiftU64 (1ull, mAcpiDmarTable->HostAddressWidth) - 1;\r | |
810 | \r | |
811 | VtdIndex = 0;\r | |
812 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));\r | |
813 | while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {\r | |
814 | switch (DmarHeader->Type) {\r | |
815 | case EFI_ACPI_DMAR_TYPE_DRHD:\r | |
816 | ASSERT (VtdIndex < mVtdUnitNumber);\r | |
817 | Status = ProcessDhrd (VtdIndex, (EFI_ACPI_DMAR_DRHD_HEADER *)DmarHeader);\r | |
818 | if (EFI_ERROR (Status)) {\r | |
819 | return Status;\r | |
820 | }\r | |
821 | VtdIndex++;\r | |
822 | \r | |
823 | break;\r | |
824 | \r | |
825 | default:\r | |
826 | break;\r | |
827 | }\r | |
828 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
829 | }\r | |
830 | ASSERT (VtdIndex == mVtdUnitNumber);\r | |
831 | \r | |
832 | for (VtdIndex = 0; VtdIndex < mVtdUnitNumber; VtdIndex++) {\r | |
833 | DumpPciDeviceInfo (VtdIndex);\r | |
834 | }\r | |
835 | return EFI_SUCCESS ;\r | |
836 | }\r | |
837 | \r | |
838 | /**\r | |
839 | Parse DMAR DRHD table.\r | |
840 | \r | |
841 | @return EFI_SUCCESS The DMAR DRHD table is parsed.\r | |
842 | **/\r | |
843 | EFI_STATUS\r | |
844 | ParseDmarAcpiTableRmrr (\r | |
845 | VOID\r | |
846 | )\r | |
847 | {\r | |
848 | EFI_ACPI_DMAR_STRUCTURE_HEADER *DmarHeader;\r | |
849 | EFI_STATUS Status;\r | |
850 | \r | |
851 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));\r | |
852 | while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {\r | |
853 | switch (DmarHeader->Type) {\r | |
854 | case EFI_ACPI_DMAR_TYPE_RMRR:\r | |
855 | Status = ProcessRmrr ((EFI_ACPI_DMAR_RMRR_HEADER *)DmarHeader);\r | |
856 | if (EFI_ERROR (Status)) {\r | |
857 | return Status;\r | |
858 | }\r | |
859 | break;\r | |
860 | default:\r | |
861 | break;\r | |
862 | }\r | |
863 | DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)DmarHeader + DmarHeader->Length);\r | |
864 | }\r | |
865 | return EFI_SUCCESS ;\r | |
866 | }\r | |
867 | \r | |
868 | /**\r | |
869 | This function scan ACPI table in RSDT.\r | |
870 | \r | |
871 | @param[in] Rsdt ACPI RSDT\r | |
872 | @param[in] Signature ACPI table signature\r | |
873 | \r | |
874 | @return ACPI table\r | |
875 | **/\r | |
876 | VOID *\r | |
877 | ScanTableInRSDT (\r | |
878 | IN RSDT_TABLE *Rsdt,\r | |
879 | IN UINT32 Signature\r | |
880 | )\r | |
881 | {\r | |
882 | UINTN Index;\r | |
883 | UINT32 EntryCount;\r | |
884 | UINT32 *EntryPtr;\r | |
885 | EFI_ACPI_DESCRIPTION_HEADER *Table;\r | |
886 | \r | |
887 | EntryCount = (Rsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT32);\r | |
888 | \r | |
889 | EntryPtr = &Rsdt->Entry;\r | |
890 | for (Index = 0; Index < EntryCount; Index ++, EntryPtr ++) {\r | |
891 | Table = (EFI_ACPI_DESCRIPTION_HEADER*)((UINTN)(*EntryPtr));\r | |
892 | if (Table->Signature == Signature) {\r | |
893 | return Table;\r | |
894 | }\r | |
895 | }\r | |
896 | \r | |
897 | return NULL;\r | |
898 | }\r | |
899 | \r | |
900 | /**\r | |
901 | This function scan ACPI table in XSDT.\r | |
902 | \r | |
903 | @param[in] Xsdt ACPI XSDT\r | |
904 | @param[in] Signature ACPI table signature\r | |
905 | \r | |
906 | @return ACPI table\r | |
907 | **/\r | |
908 | VOID *\r | |
909 | ScanTableInXSDT (\r | |
910 | IN XSDT_TABLE *Xsdt,\r | |
911 | IN UINT32 Signature\r | |
912 | )\r | |
913 | {\r | |
914 | UINTN Index;\r | |
915 | UINT32 EntryCount;\r | |
916 | UINT64 EntryPtr;\r | |
917 | UINTN BasePtr;\r | |
918 | EFI_ACPI_DESCRIPTION_HEADER *Table;\r | |
919 | \r | |
920 | EntryCount = (Xsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT64);\r | |
921 | \r | |
922 | BasePtr = (UINTN)(&(Xsdt->Entry));\r | |
923 | for (Index = 0; Index < EntryCount; Index ++) {\r | |
924 | CopyMem (&EntryPtr, (VOID *)(BasePtr + Index * sizeof(UINT64)), sizeof(UINT64));\r | |
925 | Table = (EFI_ACPI_DESCRIPTION_HEADER*)((UINTN)(EntryPtr));\r | |
926 | if (Table->Signature == Signature) {\r | |
927 | return Table;\r | |
928 | }\r | |
929 | }\r | |
930 | \r | |
931 | return NULL;\r | |
932 | }\r | |
933 | \r | |
934 | /**\r | |
935 | This function scan ACPI table in RSDP.\r | |
936 | \r | |
937 | @param[in] Rsdp ACPI RSDP\r | |
938 | @param[in] Signature ACPI table signature\r | |
939 | \r | |
940 | @return ACPI table\r | |
941 | **/\r | |
942 | VOID *\r | |
943 | FindAcpiPtr (\r | |
944 | IN EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp,\r | |
945 | IN UINT32 Signature\r | |
946 | )\r | |
947 | {\r | |
948 | EFI_ACPI_DESCRIPTION_HEADER *AcpiTable;\r | |
949 | RSDT_TABLE *Rsdt;\r | |
950 | XSDT_TABLE *Xsdt;\r | |
951 | \r | |
952 | AcpiTable = NULL;\r | |
953 | \r | |
954 | //\r | |
955 | // Check ACPI2.0 table\r | |
956 | //\r | |
957 | Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r | |
958 | Xsdt = NULL;\r | |
959 | if ((Rsdp->Revision >= 2) && (Rsdp->XsdtAddress < (UINT64)(UINTN)-1)) {\r | |
960 | Xsdt = (XSDT_TABLE *)(UINTN)Rsdp->XsdtAddress;\r | |
961 | }\r | |
962 | //\r | |
963 | // Check Xsdt\r | |
964 | //\r | |
965 | if (Xsdt != NULL) {\r | |
966 | AcpiTable = ScanTableInXSDT (Xsdt, Signature);\r | |
967 | }\r | |
968 | //\r | |
969 | // Check Rsdt\r | |
970 | //\r | |
971 | if ((AcpiTable == NULL) && (Rsdt != NULL)) {\r | |
972 | AcpiTable = ScanTableInRSDT (Rsdt, Signature);\r | |
973 | }\r | |
974 | \r | |
975 | return AcpiTable;\r | |
976 | }\r | |
977 | \r | |
978 | /**\r | |
979 | Get the DMAR ACPI table.\r | |
980 | \r | |
981 | @retval EFI_SUCCESS The DMAR ACPI table is got.\r | |
982 | @retval EFI_NOT_FOUND The DMAR ACPI table is not found.\r | |
983 | **/\r | |
984 | EFI_STATUS\r | |
985 | GetDmarAcpiTable (\r | |
986 | VOID\r | |
987 | )\r | |
988 | {\r | |
989 | VOID *AcpiTable;\r | |
990 | EFI_STATUS Status;\r | |
991 | \r | |
992 | AcpiTable = NULL;\r | |
993 | Status = EfiGetSystemConfigurationTable (\r | |
994 | &gEfiAcpi20TableGuid,\r | |
995 | &AcpiTable\r | |
996 | );\r | |
997 | if (EFI_ERROR (Status)) {\r | |
998 | Status = EfiGetSystemConfigurationTable (\r | |
999 | &gEfiAcpiTableGuid,\r | |
1000 | &AcpiTable\r | |
1001 | );\r | |
1002 | }\r | |
1003 | ASSERT (AcpiTable != NULL);\r | |
1004 | \r | |
1005 | mAcpiDmarTable = FindAcpiPtr (\r | |
1006 | (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)AcpiTable,\r | |
1007 | EFI_ACPI_4_0_DMA_REMAPPING_TABLE_SIGNATURE\r | |
1008 | );\r | |
1009 | DEBUG ((DEBUG_INFO,"DMAR Table - 0x%08x\n", mAcpiDmarTable));\r | |
1010 | if (mAcpiDmarTable == NULL) {\r | |
1011 | return EFI_UNSUPPORTED;\r | |
1012 | }\r | |
1013 | VtdDumpDmarTable();\r | |
1014 | \r | |
1015 | return EFI_SUCCESS;\r | |
1016 | }\r |