diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 3c0dcfed4835ccc93be4d7c426647668ea0a1bac..3af8b0164f1e6b2fa07469778aa31f47d1e39645 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -1415,6 +1415,11 @@ struct kvm_s390_ucas_mapping {
 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
 
+/* ioctl for SW vcpu init */
+#define KVM_SW64_VCPU_INIT	  _IO(KVMIO,  0xba)
+#define KVM_SW64_GET_VCB          _IO(KVMIO,  0xbc)
+#define KVM_SW64_SET_VCB          _IO(KVMIO,  0xbd)
+
 /* ioctl for vm fd */
 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)