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-rw-r--r--src/include/device/pci_type.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/device/pci_type.h b/src/include/device/pci_type.h
index 2849ececa7..0b08e8d0aa 100644
--- a/src/include/device/pci_type.h
+++ b/src/include/device/pci_type.h
@@ -19,4 +19,11 @@
typedef u32 pci_devfn_t;
typedef u32 pnp_devfn_t;
+#define PCI_DEV(SEGBUS, DEV, FN) ( \
+ (((SEGBUS) & 0xFFF) << 20) | \
+ (((DEV) & 0x1F) << 15) | \
+ (((FN) & 0x07) << 12))
+
+#define PCI_DEV_INVALID (0xffffffffU)
+
#endif /* DEVICE_PCI_TYPE_H */