1) Add in support to traverse taken space

[mirror_edk2.git] / MdePkg / Include / Protocol / Pcd.h

diff --git a/MdePkg/Include/Protocol/Pcd.h b/MdePkg/Include/Protocol/Pcd.h
index 323c16ccf1c96a930eab52a6d76cb87222f408b0..8869ad2be13497106ff517274131a4dd85eb006f 100644 (file)
--- a/MdePkg/Include/Protocol/Pcd.h
+++ b/MdePkg/Include/Protocol/Pcd.h
@@ -22,7 +22,7 @@ extern EFI_GUID gPcdProtocolGuid;
 #define PCD_PROTOCOL_GUID \\r
   { 0x11b34006, 0xd85b, 0x4d0a, { 0xa2, 0x90, 0xd5, 0xa5, 0x71, 0x31, 0xe, 0xf7 } }\r
 \r
-#define PCD_INVALID_TOKEN_NUMBER ((UINTN) -1)\r
+#define PCD_INVALID_TOKEN_NUMBER ((UINTN) 0)\r
 \r
 typedef \r
 VOID\r
@@ -256,6 +256,14 @@ EFI_STATUS
   IN OUT  UINTN               *TokenNumber\r
   );\r
 \r
+\r
+typedef \r
+EFI_STATUS\r
+(EFIAPI *PCD_PROTOCOL_GET_NEXT_TOKENSPACE) (\r
+  IN      CONST EFI_GUID      **Guid\r
+  );\r
+\r
+\r
 typedef struct {\r
   PCD_PROTOCOL_SET_SKU              SetSku;\r
 \r
@@ -292,6 +300,7 @@ typedef struct {
   PCD_PROTOCOL_CALLBACK_ONSET       CallbackOnSet;\r
   PCD_PROTOCOL_CANCEL_CALLBACK      CancelCallback;\r
   PCD_PROTOCOL_GET_NEXT_TOKEN       GetNextToken;\r
+  PCD_PROTOCOL_GET_NEXT_TOKENSPACE  GetNextTokenSpace;\r
 } PCD_PROTOCOL;\r
 \r
 #endif\r