Function vduse_device_destroy

dpdk/lib/vhost/vduse.c:600–642

}

int
vduse_device_destroy(const char *path)
{
	const char *name = path + strlen("/dev/vduse/");
	struct virtio_net *dev;
	int vid, ret;

	for (vid = 0; vid < RTE_MAX_VHOST_DEVICE; vid++) {
		dev = vhost_devices[vid];

		if (dev == NULL)
			continue;

		if (!strcmp(path, dev->ifname))
			break;
	}

	if (vid == RTE_MAX_VHOST_DEVICE)
		return -1;

	vduse_device_stop(dev);

	fdset_del(&vduse.fdset, dev->vduse_dev_fd);
	fdset_pipe_notify_sync(&vduse.fdset);

	if (dev->vduse_dev_fd >= 0) {
		close(dev->vduse_dev_fd);
		dev->vduse_dev_fd = -1;
	}

	if (dev->vduse_ctrl_fd >= 0) {
		ret = ioctl(dev->vduse_ctrl_fd, VDUSE_DESTROY_DEV, name);
		if (ret)
			VHOST_LOG_CONFIG(name, ERR, "Failed to destroy VDUSE device: %s\n",
					strerror(errno));
		close(dev->vduse_ctrl_fd);
		dev->vduse_ctrl_fd = -1;
	}

	vhost_destroy_device(vid);

	return 0;
}