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IntelSiliconPkg/VTdDxe: Clean up DXE flush memory. 

Make sure the context table are flush to memory.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Jiewen Yao 2017-09-20 16:33:15 +08:00
parent ba30d5f051
commit 73a2fe8b87
2 changed files with 9 additions and 4 deletions
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9
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/TranslationTable.c
View File

@ -124,7 +124,6 @@ CreateContextEntry (
RootEntry->Bits.ContextTablePointerHi = (UINT32) RShiftU64 ((UINT64)(UINTN)Buffer, 32); RootEntry->Bits.ContextTablePointerHi = (UINT32) RShiftU64 ((UINT64)(UINTN)Buffer, 32);
RootEntry->Bits.Present = 1; RootEntry->Bits.Present = 1;
Buffer = (UINT8 *)Buffer + EFI_PAGES_TO_SIZE (ContextPages); Buffer = (UINT8 *)Buffer + EFI_PAGES_TO_SIZE (ContextPages);
FlushPageTableMemory (VtdIndex, (UINTN)RootEntry, sizeof(*RootEntry));
} }
ContextEntryTable = (VTD_CONTEXT_ENTRY *)(UINTN)VTD_64BITS_ADDRESS(RootEntry->Bits.ContextTablePointerLo, RootEntry->Bits.ContextTablePointerHi) ; ContextEntryTable = (VTD_CONTEXT_ENTRY *)(UINTN)VTD_64BITS_ADDRESS(RootEntry->Bits.ContextTablePointerLo, RootEntry->Bits.ContextTablePointerHi) ;
@ -143,9 +142,10 @@ CreateContextEntry (
ContextEntry->Bits.AddressWidth = 0x2; ContextEntry->Bits.AddressWidth = 0x2;
break; break;
} }
FlushPageTableMemory (VtdIndex, (UINTN)ContextEntry, sizeof(*ContextEntry));
} }
FlushPageTableMemory (VtdIndex, (UINTN)mVtdUnitInformation[VtdIndex].RootEntryTable, EFI_PAGES_TO_SIZE(EntryTablePages));
return EFI_SUCCESS; return EFI_SUCCESS;
} }
@ -196,6 +196,7 @@ CreateSecondLevelPagingEntryTable (
DEBUG ((DEBUG_ERROR,"Could not Alloc LVL4 PT. \n")); DEBUG ((DEBUG_ERROR,"Could not Alloc LVL4 PT. \n"));
return NULL; return NULL;
} }
FlushPageTableMemory (VtdIndex, (UINTN)SecondLevelPagingEntry, EFI_PAGES_TO_SIZE(1));
} }
// //
@ -219,6 +220,7 @@ CreateSecondLevelPagingEntryTable (
ASSERT(FALSE); ASSERT(FALSE);
return NULL; return NULL;
} }
FlushPageTableMemory (VtdIndex, (UINTN)Lvl4PtEntry[Index4].Uint64, SIZE_4KB);
SetSecondLevelPagingEntryAttribute (&Lvl4PtEntry[Index4], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE); SetSecondLevelPagingEntryAttribute (&Lvl4PtEntry[Index4], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE);
} }
@ -239,6 +241,7 @@ CreateSecondLevelPagingEntryTable (
ASSERT(FALSE); ASSERT(FALSE);
return NULL; return NULL;
} }
FlushPageTableMemory (VtdIndex, (UINTN)Lvl3PtEntry[Index3].Uint64, SIZE_4KB);
SetSecondLevelPagingEntryAttribute (&Lvl3PtEntry[Index3], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE); SetSecondLevelPagingEntryAttribute (&Lvl3PtEntry[Index3], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE);
} }
@ -542,6 +545,7 @@ GetSecondLevelPageTableEntry (
*PageAttribute = PageNone; *PageAttribute = PageNone;
return NULL; return NULL;
} }
FlushPageTableMemory (VtdIndex, (UINTN)L4PageTable[Index4], SIZE_4KB);
SetSecondLevelPagingEntryAttribute ((VTD_SECOND_LEVEL_PAGING_ENTRY *)&L4PageTable[Index4], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE); SetSecondLevelPagingEntryAttribute ((VTD_SECOND_LEVEL_PAGING_ENTRY *)&L4PageTable[Index4], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE);
FlushPageTableMemory (VtdIndex, (UINTN)&L4PageTable[Index4], sizeof(L4PageTable[Index4])); FlushPageTableMemory (VtdIndex, (UINTN)&L4PageTable[Index4], sizeof(L4PageTable[Index4]));
} }
@ -555,6 +559,7 @@ GetSecondLevelPageTableEntry (
*PageAttribute = PageNone; *PageAttribute = PageNone;
return NULL; return NULL;
} }
FlushPageTableMemory (VtdIndex, (UINTN)L3PageTable[Index3], SIZE_4KB);
SetSecondLevelPagingEntryAttribute ((VTD_SECOND_LEVEL_PAGING_ENTRY *)&L3PageTable[Index3], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE); SetSecondLevelPagingEntryAttribute ((VTD_SECOND_LEVEL_PAGING_ENTRY *)&L3PageTable[Index3], EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE);
FlushPageTableMemory (VtdIndex, (UINTN)&L3PageTable[Index3], sizeof(L3PageTable[Index3])); FlushPageTableMemory (VtdIndex, (UINTN)&L3PageTable[Index3], sizeof(L3PageTable[Index3]));
} }

4
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/TranslationTableEx.c
View File

@ -73,7 +73,6 @@ CreateExtContextEntry (
ExtRootEntry->Bits.UpperContextTablePointerLo = (UINT32) RShiftU64 ((UINT64)(UINTN)Buffer, 12) + 1; ExtRootEntry->Bits.UpperContextTablePointerLo = (UINT32) RShiftU64 ((UINT64)(UINTN)Buffer, 12) + 1;
ExtRootEntry->Bits.UpperContextTablePointerHi = (UINT32) RShiftU64 (RShiftU64 ((UINT64)(UINTN)Buffer, 12) + 1, 20); ExtRootEntry->Bits.UpperContextTablePointerHi = (UINT32) RShiftU64 (RShiftU64 ((UINT64)(UINTN)Buffer, 12) + 1, 20);
ExtRootEntry->Bits.UpperPresent = 1; ExtRootEntry->Bits.UpperPresent = 1;
FlushPageTableMemory (VtdIndex, (UINTN)ExtRootEntry, sizeof(*ExtRootEntry));
Buffer = (UINT8 *)Buffer + EFI_PAGES_TO_SIZE (ContextPages); Buffer = (UINT8 *)Buffer + EFI_PAGES_TO_SIZE (ContextPages);
} }
@ -93,9 +92,10 @@ CreateExtContextEntry (
ExtContextEntry->Bits.AddressWidth = 0x2; ExtContextEntry->Bits.AddressWidth = 0x2;
break; break;
} }
FlushPageTableMemory (VtdIndex, (UINTN)ExtContextEntry, sizeof(*ExtContextEntry));
} }
FlushPageTableMemory (VtdIndex, (UINTN)mVtdUnitInformation[VtdIndex].ExtRootEntryTable, EFI_PAGES_TO_SIZE(EntryTablePages));
return EFI_SUCCESS; return EFI_SUCCESS;
} }