MdePkg/MdeModulePkg: Implement the missing SetMemorySpaceCapabilities function.

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

diff --git a/MdeModulePkg/Core/Dxe/DxeMain.h b/MdeModulePkg/Core/Dxe/DxeMain.h
index bb2bfab370ff8ec32bb749336b9383684ad54d8d..059a38336acdd4502becdcae202a488198b269b8 100644 (file)
--- a/MdeModulePkg/Core/Dxe/DxeMain.h
+++ b/MdeModulePkg/Core/Dxe/DxeMain.h
@@ -1863,7 +1863,7 @@ CoreGetMemorySpaceDescriptor (
                                 resource range specified by BaseAddress and Length.\r
   @retval EFI_UNSUPPORTED       The bit mask of attributes is not support for the memory resource\r
                                 range specified by BaseAddress and Length.\r
-  @retval EFI_ACCESS_DEFINED    The attributes for the memory resource range specified by\r
+  @retval EFI_ACCESS_DENIED     The attributes for the memory resource range specified by\r
                                 BaseAddress and Length cannot be modified.\r
   @retval EFI_OUT_OF_RESOURCES  There are not enough system resources to modify the attributes of\r
                                 the memory resource range.\r
@@ -1880,6 +1880,32 @@ CoreSetMemorySpaceAttributes (
   );\r
 \r
 \r
+/**\r
+  Modifies the capabilities for a memory region in the global coherency domain of the\r
+  processor.\r
+\r
+  @param  BaseAddress      The physical address that is the start address of a memory region.\r
+  @param  Length           The size in bytes of the memory region.\r
+  @param  Capabilities     The bit mask of capabilities that the memory region supports.\r
+\r
+  @retval EFI_SUCCESS           The capabilities were set for the memory region.\r
+  @retval EFI_INVALID_PARAMETER Length is zero.\r
+  @retval EFI_UNSUPPORTED       The capabilities specified by Capabilities do not include the\r
+                                memory region attributes currently in use.\r
+  @retval EFI_ACCESS_DENIED     The capabilities for the memory resource range specified by\r
+                                BaseAddress and Length cannot be modified.\r
+  @retval EFI_OUT_OF_RESOURCES  There are not enough system resources to modify the capabilities\r
+                                of the memory resource range.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreSetMemorySpaceCapabilities (\r
+  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
+  IN UINT64                Length,\r
+  IN UINT64                Capabilities\r
+  );\r
+\r
+\r
 /**\r
   Returns a map of the memory resources in the global coherency domain of the\r
   processor.\r
@@ -2816,4 +2842,26 @@ CoreUpdateProfile (
   IN VOID                   *Buffer\r
   );\r
 \r
+/**\r
+  Internal function.  Converts a memory range to use new attributes.\r
+\r
+  @param  Start                  The first address of the range Must be page\r
+                                 aligned\r
+  @param  NumberOfPages          The number of pages to convert\r
+  @param  NewAttributes          The new attributes value for the range.\r
+\r
+  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
+  @retval EFI_NOT_FOUND          Could not find a descriptor cover the specified\r
+                                 range  or convertion not allowed.\r
+  @retval EFI_SUCCESS            Successfully converts the memory range to the\r
+                                 specified attributes.\r
+\r
+**/\r
+VOID\r
+CoreUpdateMemoryAttributes (\r
+  IN EFI_PHYSICAL_ADDRESS  Start,\r
+  IN UINT64                NumberOfPages,\r
+  IN UINT64                NewAttributes\r
+  );\r
+\r
 #endif\r