vfio_pci_config_rw_single
ret = vfio_pci_config_rw_single(vdev, buf, count, &pos, iswrite);
EXPORT_SYMBOL_GPL(vfio_pci_config_rw_single);
ret = vfio_pci_config_rw_single(vdev, buf, count, &pos, iswrite);
ssize_t vfio_pci_config_rw_single(struct vfio_pci_core_device *vdev,