| 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 | ));\r |
| 53 | DEBUG ((DEBUG_INFO,\r |
| 54 | " * DMA-Remapping Device Scope Entry Structure *\n"\r |
| 55 | ));\r |
| 56 | DEBUG ((DEBUG_INFO,\r |
| 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 |
| 147 | ));\r |
| 148 | DEBUG ((DEBUG_INFO,\r |
| 149 | " * ACPI Name-space Device Declaration Structure *\n"\r |
| 150 | ));\r |
| 151 | DEBUG ((DEBUG_INFO,\r |
| 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 |
| 200 | ));\r |
| 201 | DEBUG ((DEBUG_INFO,\r |
| 202 | " * Remapping Hardware Status Affinity Structure *\n"\r |
| 203 | ));\r |
| 204 | DEBUG ((DEBUG_INFO,\r |
| 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 |
| 256 | ));\r |
| 257 | DEBUG ((DEBUG_INFO,\r |
| 258 | " * Root Port ATS Capability Reporting Structure *\n"\r |
| 259 | ));\r |
| 260 | DEBUG ((DEBUG_INFO,\r |
| 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 |
| 324 | ));\r |
| 325 | DEBUG ((DEBUG_INFO,\r |
| 326 | " * Reserved Memory Region Reporting Structure *\n"\r |
| 327 | ));\r |
| 328 | DEBUG ((DEBUG_INFO,\r |
| 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 |
| 392 | ));\r |
| 393 | DEBUG ((DEBUG_INFO,\r |
| 394 | " * DMA-Remapping Hardware Definition Structure *\n"\r |
| 395 | ));\r |
| 396 | DEBUG ((DEBUG_INFO,\r |
| 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 |
| 467 | ));\r |
| 468 | DEBUG ((DEBUG_INFO,\r |
| 469 | "* DMAR Table *\n"\r |
| 470 | ));\r |
| 471 | DEBUG ((DEBUG_INFO,\r |
| 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 |
| 579 | while ((UINTN)DmarPciPath + sizeof(EFI_ACPI_DMAR_PCI_PATH) < (UINTN)DmarDevScopeEntry + DmarDevScopeEntry->Length) {\r |
| 580 | MyBus = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, MyBus, MyDevice, MyFunction, PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET));\r |
| 581 | DmarPciPath ++;\r |
| 582 | MyDevice = DmarPciPath->Device;\r |
| 583 | MyFunction = DmarPciPath->Function;\r |
| 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 |
| 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 |
| 630 | Status = ScanPciBus((VOID *)VtdIndex, DmarDrhd->SegmentNumber, 0, ScanBusCallbackRegisterPciDevice);\r |
| 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 |
| 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 |
| 671 | Status = RegisterPciDevice (VtdIndex, DmarDrhd->SegmentNumber, SourceId, DmarDevScopeEntry->Type, TRUE);\r |
| 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 |
| 686 | Status = ScanPciBus ((VOID *)VtdIndex, DmarDrhd->SegmentNumber, SecondaryBusNumber, ScanBusCallbackRegisterPciDevice);\r |
| 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_ALREADY_STARTED The DMAR ACPI table has been got previously.\r |
| 983 | @retval EFI_NOT_FOUND The DMAR ACPI table is not found.\r |
| 984 | **/\r |
| 985 | EFI_STATUS\r |
| 986 | GetDmarAcpiTable (\r |
| 987 | VOID\r |
| 988 | )\r |
| 989 | {\r |
| 990 | VOID *AcpiTable;\r |
| 991 | EFI_STATUS Status;\r |
| 992 | \r |
| 993 | if (mAcpiDmarTable != NULL) {\r |
| 994 | return EFI_ALREADY_STARTED;\r |
| 995 | }\r |
| 996 | \r |
| 997 | AcpiTable = NULL;\r |
| 998 | Status = EfiGetSystemConfigurationTable (\r |
| 999 | &gEfiAcpi20TableGuid,\r |
| 1000 | &AcpiTable\r |
| 1001 | );\r |
| 1002 | if (EFI_ERROR (Status)) {\r |
| 1003 | Status = EfiGetSystemConfigurationTable (\r |
| 1004 | &gEfiAcpi10TableGuid,\r |
| 1005 | &AcpiTable\r |
| 1006 | );\r |
| 1007 | }\r |
| 1008 | if (EFI_ERROR (Status)) {\r |
| 1009 | return EFI_NOT_FOUND;\r |
| 1010 | }\r |
| 1011 | ASSERT (AcpiTable != NULL);\r |
| 1012 | \r |
| 1013 | mAcpiDmarTable = FindAcpiPtr (\r |
| 1014 | (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)AcpiTable,\r |
| 1015 | EFI_ACPI_4_0_DMA_REMAPPING_TABLE_SIGNATURE\r |
| 1016 | );\r |
| 1017 | if (mAcpiDmarTable == NULL) {\r |
| 1018 | return EFI_NOT_FOUND;\r |
| 1019 | }\r |
| 1020 | DEBUG ((DEBUG_INFO,"DMAR Table - 0x%08x\n", mAcpiDmarTable));\r |
| 1021 | VtdDumpDmarTable();\r |
| 1022 | \r |
| 1023 | return EFI_SUCCESS;\r |
| 1024 | }\r |