X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FInclude%2FLibrary%2FPciHostBridgeLib.h;fp=MdeModulePkg%2FInclude%2FLibrary%2FPciHostBridgeLib.h;h=b67ac5e17d48bfb91b8630458aab2e45fb8466e4;hb=014b472053ae31e6b9fcdb5d4ee01e29b4d44fd4;hp=16ad104a9368a7511e03cf7be2603437165be085;hpb=3da829657e67d01e39eb6cf8ef9754043271e2e7;p=mirror_edk2.git

diff --git a/MdeModulePkg/Include/Library/PciHostBridgeLib.h b/MdeModulePkg/Include/Library/PciHostBridgeLib.h
index 16ad104a93..b67ac5e17d 100644
--- a/MdeModulePkg/Include/Library/PciHostBridgeLib.h
+++ b/MdeModulePkg/Include/Library/PciHostBridgeLib.h
@@ -34,6 +34,10 @@ typedef struct {
                                                   ///< and SetAttributes() in EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
   BOOLEAN                  DmaAbove4G;            ///< DMA above 4GB memory.
                                                   ///< Set to TRUE when root bridge supports DMA above 4GB memory.
+  BOOLEAN                  NoExtendedConfigSpace; ///< When FALSE, the root bridge supports
+                                                  ///< Extended (4096-byte) Configuration Space.
+                                                  ///< When TRUE, the root bridge supports
+                                                  ///< 256-byte Configuration Space only.
   UINT64                   AllocationAttributes;  ///< Allocation attributes.
                                                   ///< Refer to EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM and
                                                   ///< EFI_PCI_HOST_BRIDGE_MEM64_DECODE used by GetAllocAttributes()