X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FInclude%2FIndustryStandard%2FPciExpress21.h;h=a9915e032bfa3e5a202c638d766956298e642c34;hp=3d121a24aefa3bb5a120827658f18ceb8a1b0987;hb=e1c9edd6b6ea5e78f02e382b254de40cf708d20c;hpb=a1d20250e539b9b7d60d4887db8d5650fd4de2de

diff --git a/MdePkg/Include/IndustryStandard/PciExpress21.h b/MdePkg/Include/IndustryStandard/PciExpress21.h
index 3d121a24ae..a9915e032b 100644
--- a/MdePkg/Include/IndustryStandard/PciExpress21.h
+++ b/MdePkg/Include/IndustryStandard/PciExpress21.h
@@ -241,6 +241,8 @@ typedef struct {
   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 @@ typedef struct {
   UINT16                                                  TphStTable[1];
 } PCI_EXPRESS_EXTENDED_CAPABILITIES_TPH;
 
+#define GET_TPH_TABLE_SIZE(x) ((x->TphRequesterCapability & 0x7FF0000)>>16) * sizeof(UINT16)
+
 #endif