kvm_ioeventfd     961 include/linux/kvm_host.h int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
kvm_ioeventfd     993 include/linux/kvm_host.h static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
kvm_ioeventfd    1025 include/uapi/linux/kvm.h #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)