diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 18411f1dec..74a93a5d93 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -1600,7 +1600,7 @@ static void amdvi_instance_init(Object *klass)
 static void amdvi_class_init(ObjectClass *klass, void* data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    X86IOMMUClass *dc_class = X86_IOMMU_CLASS(klass);
+    X86IOMMUClass *dc_class = X86_IOMMU_DEVICE_CLASS(klass);
 
     dc->reset = amdvi_reset;
     dc->vmsd = &vmstate_amdvi;
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 0d7c4303b4..749eb6ad63 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -3853,7 +3853,7 @@ static void vtd_realize(DeviceState *dev, Error **errp)
 static void vtd_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    X86IOMMUClass *x86_class = X86_IOMMU_CLASS(klass);
+    X86IOMMUClass *x86_class = X86_IOMMU_DEVICE_CLASS(klass);
 
     dc->reset = vtd_reset;
     dc->vmsd = &vtd_vmstate;
diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c
index 4104060e68..5f4301639c 100644
--- a/hw/i386/x86-iommu.c
+++ b/hw/i386/x86-iommu.c
@@ -107,7 +107,7 @@ IommuType x86_iommu_get_type(void)
 static void x86_iommu_realize(DeviceState *dev, Error **errp)
 {
     X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
-    X86IOMMUClass *x86_class = X86_IOMMU_GET_CLASS(dev);
+    X86IOMMUClass *x86_class = X86_IOMMU_DEVICE_GET_CLASS(dev);
     MachineState *ms = MACHINE(qdev_get_machine());
     MachineClass *mc = MACHINE_GET_CLASS(ms);
     PCMachineState *pcms =
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h
index 8e10383b11..18420ada15 100644
--- a/include/hw/i386/x86-iommu.h
+++ b/include/hw/i386/x86-iommu.h
@@ -27,9 +27,9 @@
 #define  TYPE_X86_IOMMU_DEVICE  ("x86-iommu")
 #define  X86_IOMMU_DEVICE(obj) \
     OBJECT_CHECK(X86IOMMUState, (obj), TYPE_X86_IOMMU_DEVICE)
-#define  X86_IOMMU_CLASS(klass) \
+#define  X86_IOMMU_DEVICE_CLASS(klass) \
     OBJECT_CLASS_CHECK(X86IOMMUClass, (klass), TYPE_X86_IOMMU_DEVICE)
-#define  X86_IOMMU_GET_CLASS(obj) \
+#define  X86_IOMMU_DEVICE_GET_CLASS(obj) \
     OBJECT_GET_CLASS(X86IOMMUClass, obj, TYPE_X86_IOMMU_DEVICE)
 
 #define X86_IOMMU_SID_INVALID             (0xffff)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 6f18d940a5..205b68bc0c 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -4607,7 +4607,7 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
     if (iommu) {
         int ret;
         MSIMessage src, dst;
-        X86IOMMUClass *class = X86_IOMMU_GET_CLASS(iommu);
+        X86IOMMUClass *class = X86_IOMMU_DEVICE_GET_CLASS(iommu);
 
         if (!class->int_remap) {
             return 0;