Index: Include/IndustryStandard/PciExpress21.h
===================================================================
--- Include/IndustryStandard/PciExpress21.h	(revision 15076)
+++ Include/IndustryStandard/PciExpress21.h	(working copy)
@@ -241,6 +241,8 @@
   PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_ENTRY  Capability[1];
 } PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR;
 
+#define GET_NUMBER_RESIZABLE_BARS(x) (((x->Capability[0].ResizableBarControl) & 0xE0) >> 5)
+
 #define PCI_EXPRESS_EXTENDED_CAPABILITY_ARI_CAPABILITY_ID    0x000E
 #define PCI_EXPRESS_EXTENDED_CAPABILITY_ARI_CAPABILITY_VER1  0x1
 
@@ -284,4 +286,6 @@
   UINT16                                                  TphStTable[1];
 } PCI_EXPRESS_EXTENDED_CAPABILITIES_TPH;
 
+#define GET_TPH_TABLE_SIZE(x) ((x->TphRequesterCapability & 0x7FF0000)>>16) * sizeof(UINT16)
+
 #endif