44 static struct vfio {  struct
52 } vfio;  argument
153 	list_for_each_entry(group, &vfio.group_list, vfio_next) {  in __vfio_group_get_from_iommu()
167 	mutex_lock(&vfio.group_lock);  in vfio_group_get_from_iommu()
169 	mutex_unlock(&vfio.group_lock);  in vfio_group_get_from_iommu()
180 	ida_free(&vfio.group_ida, MINOR(group->dev.devt));  in vfio_group_release()
194 	minor = ida_alloc_max(&vfio.group_ida, MINORMASK, GFP_KERNEL);  in vfio_group_alloc()
201 	group->dev.devt = MKDEV(MAJOR(vfio.group_devt), minor);  in vfio_group_alloc()
202 	group->dev.class = vfio.class;  in vfio_group_alloc()
239 	mutex_lock(&vfio.group_lock);  in vfio_create_group()
252 	list_add(&group->vfio_next, &vfio.group_list);  in vfio_create_group()
254 	mutex_unlock(&vfio.group_lock);  in vfio_create_group()
258 	mutex_unlock(&vfio.group_lock);  in vfio_create_group()
273 	if (!refcount_dec_and_mutex_lock(&group->drivers, &vfio.group_lock))  in vfio_device_remove_group()
305 	mutex_unlock(&vfio.group_lock);  in vfio_device_remove_group()
353 	ida_free(&vfio.device_ida, device->index);  in vfio_device_release()
410 	ret = ida_alloc_max(&vfio.device_ida, MINORMASK, GFP_KERNEL);  in vfio_init_device()
429 	device->device.class = vfio.device_class;  in vfio_init_device()
435 	ida_free(&vfio.device_ida, device->index);  in vfio_init_device()
1824 	ida_init(&vfio.group_ida);  in vfio_init()
1825 	ida_init(&vfio.device_ida);  in vfio_init()
1826 	mutex_init(&vfio.group_lock);  in vfio_init()
1827 	INIT_LIST_HEAD(&vfio.group_list);  in vfio_init()
1834 	vfio.class = class_create(THIS_MODULE, "vfio");  in vfio_init()
1835 	if (IS_ERR(vfio.class)) {  in vfio_init()
1836 		ret = PTR_ERR(vfio.class);  in vfio_init()
1840 	vfio.class->devnode = vfio_devnode;  in vfio_init()
1843 	vfio.device_class = class_create(THIS_MODULE, "vfio-dev");  in vfio_init()
1844 	if (IS_ERR(vfio.device_class)) {  in vfio_init()
1845 		ret = PTR_ERR(vfio.device_class);  in vfio_init()
1849 	ret = alloc_chrdev_region(&vfio.group_devt, 0, MINORMASK + 1, "vfio");  in vfio_init()
1857 	class_destroy(vfio.device_class);  in vfio_init()
1858 	vfio.device_class = NULL;  in vfio_init()
1860 	class_destroy(vfio.class);  in vfio_init()
1861 	vfio.class = NULL;  in vfio_init()
1869 	WARN_ON(!list_empty(&vfio.group_list));  in vfio_cleanup()
1871 	ida_destroy(&vfio.device_ida);  in vfio_cleanup()
1872 	ida_destroy(&vfio.group_ida);  in vfio_cleanup()
1873 	unregister_chrdev_region(vfio.group_devt, MINORMASK + 1);  in vfio_cleanup()
1874 	class_destroy(vfio.device_class);  in vfio_cleanup()
1875 	vfio.device_class = NULL;  in vfio_cleanup()
1876 	class_destroy(vfio.class);  in vfio_cleanup()
1878 	vfio.class = NULL;  in vfio_cleanup()