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-rw-r--r--MdeModulePkg/Include/Library/PciHostBridgeLib.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Library/PciHostBridgeLib.h b/MdeModulePkg/Include/Library/PciHostBridgeLib.h
index 16ad104a9..b67ac5e17 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()