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-rw-r--r--MdePkg/Include/IndustryStandard/Pci22.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/Pci22.h b/MdePkg/Include/IndustryStandard/Pci22.h
index db24a153e1..4cf8389c69 100644
--- a/MdePkg/Include/IndustryStandard/Pci22.h
+++ b/MdePkg/Include/IndustryStandard/Pci22.h
@@ -635,6 +635,7 @@ typedef union {
#define EFI_PCI_CAPABILITY_ID_SLOTID 0x04
#define EFI_PCI_CAPABILITY_ID_MSI 0x05
#define EFI_PCI_CAPABILITY_ID_HOTPLUG 0x06
+#define EFI_PCI_CAPABILITY_ID_SHPC 0x0C
///
/// Capabilities List Header