1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/pci/pcie_port.h b/include/hw/pci/pcie_port.h
index df242a0caf..09586f4641 100644
--- a/include/hw/pci/pcie_port.h
+++ b/include/hw/pci/pcie_port.h
@@ -78,6 +78,7 @@ typedef struct PCIERootPortClass {
     int exp_offset;
     int aer_offset;
     int ssvid_offset;
+    int acs_offset;    /* If nonzero, optional ACS capability offset */
     int ssid;
 } PCIERootPortClass;