KVM_GET_VCPU_MMAP_SIZE
ret = ioctl(dev_fd, KVM_GET_VCPU_MMAP_SIZE, NULL);
KVM_IOCTL_ERROR(KVM_GET_VCPU_MMAP_SIZE, ret));
self->kvm_run_size = ioctl(self->kvm_fd, KVM_GET_VCPU_MMAP_SIZE, NULL);
TH_LOG(KVM_IOCTL_ERROR(KVM_GET_VCPU_MMAP_SIZE, self->kvm_run_size));
case KVM_GET_VCPU_MMAP_SIZE: