diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 899d0f8813..04a59b1767 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -898,6 +898,14 @@ unsigned long acpi_create_dmar_ds_ioapic(unsigned long current,
 			SCOPE_IOAPIC, enumeration_id, bus, dev, fn);
 }
 
+unsigned long acpi_create_dmar_ds_ioapic_from_hw(unsigned long current,
+						 u32 addr, u8 bus, u8 dev, u8 fn)
+{
+	u8 enumeration_id = get_ioapic_id((void *)(uintptr_t)addr);
+	return acpi_create_dmar_ds(current,
+			SCOPE_IOAPIC, enumeration_id, bus, dev, fn);
+}
+
 unsigned long acpi_create_dmar_ds_msi_hpet(unsigned long current,
 	u8 enumeration_id, u8 bus, u8 dev, u8 fn)
 {
diff --git a/src/include/acpi/acpi.h b/src/include/acpi/acpi.h
index 57dbc65160..f66f054b82 100644
--- a/src/include/acpi/acpi.h
+++ b/src/include/acpi/acpi.h
@@ -1432,6 +1432,8 @@ unsigned long acpi_create_dmar_ds_pci(unsigned long current,
 unsigned long acpi_create_dmar_ds_ioapic(unsigned long current,
 					      u8 enumeration_id,
 					      u8 bus, u8 dev, u8 fn);
+unsigned long acpi_create_dmar_ds_ioapic_from_hw(unsigned long current,
+						 u32 addr, u8 bus, u8 dev, u8 fn);
 unsigned long acpi_create_dmar_ds_msi_hpet(unsigned long current,
 						u8 enumeration_id,
 						u8 bus, u8 dev, u8 fn);