diff --git a/hw/pci.h b/hw/pci.h
index bab9caba98..157995c96d 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -311,6 +311,18 @@ pci_get_long(uint8_t *config)
     return le32_to_cpupu((uint32_t *)config);
 }
 
+static inline void
+pci_set_quad(uint8_t *config, uint64_t val)
+{
+    cpu_to_le64w((uint64_t *)config, val);
+}
+
+static inline uint64_t
+pci_get_quad(uint8_t *config)
+{
+    return le64_to_cpup((uint64_t *)config);
+}
+
 static inline void
 pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val)
 {