MdePkg/ProcessorBind: add defines for page allocation granularity

[mirror_edk2.git] / MdeModulePkg / Core / Dxe / DxeMain.h

diff --git a/MdeModulePkg/Core/Dxe/DxeMain.h b/MdeModulePkg/Core/Dxe/DxeMain.h
index b14be9a74d8ecf7fa5a49151245daa76c576f5b2..5668c1f2d64837c50fdca2a9ff64e825e2a9c38c 100644 (file)
--- a/MdeModulePkg/Core/Dxe/DxeMain.h
+++ b/MdeModulePkg/Core/Dxe/DxeMain.h
@@ -2949,4 +2949,28 @@ MemoryProtectionExitBootServicesCallback (
   VOID\r
   );\r
 \r
+/**\r
+  Manage memory permission attributes on a memory range, according to the\r
+  configured DXE memory protection policy.\r
+\r
+  @param  OldType           The old memory type of the range\r
+  @param  NewType           The new memory type of the range\r
+  @param  Memory            The base address of the range\r
+  @param  Length            The size of the range (in bytes)\r
+\r
+  @return EFI_SUCCESS       If the the CPU arch protocol is not installed yet\r
+  @return EFI_SUCCESS       If no DXE memory protection policy has been configured\r
+  @return EFI_SUCCESS       If OldType and NewType use the same permission attributes\r
+  @return other             Return value of gCpu->SetMemoryAttributes()\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ApplyMemoryProtectionPolicy (\r
+  IN  EFI_MEMORY_TYPE       OldType,\r
+  IN  EFI_MEMORY_TYPE       NewType,\r
+  IN  EFI_PHYSICAL_ADDRESS  Memory,\r
+  IN  UINT64                Length\r
+  );\r
+\r
 #endif\r