42 static struct vfio {  struct
52 } vfio;  argument
234 	mutex_lock(&vfio.iommu_drivers_lock);  in vfio_register_iommu_driver()
237 	list_for_each_entry(tmp, &vfio.iommu_drivers_list, vfio_next) {  in vfio_register_iommu_driver()
239 			mutex_unlock(&vfio.iommu_drivers_lock);  in vfio_register_iommu_driver()
245 	list_add(&driver->vfio_next, &vfio.iommu_drivers_list);  in vfio_register_iommu_driver()
247 	mutex_unlock(&vfio.iommu_drivers_lock);  in vfio_register_iommu_driver()
257 	mutex_lock(&vfio.iommu_drivers_lock);  in vfio_unregister_iommu_driver()
258 	list_for_each_entry(driver, &vfio.iommu_drivers_list, vfio_next) {  in vfio_unregister_iommu_driver()
261 			mutex_unlock(&vfio.iommu_drivers_lock);  in vfio_unregister_iommu_driver()
266 	mutex_unlock(&vfio.iommu_drivers_lock);  in vfio_unregister_iommu_driver()
275 	return idr_alloc(&vfio.group_idr, group, 0, MINORMASK + 1, GFP_KERNEL);  in vfio_alloc_group_minor()
280 	idr_remove(&vfio.group_idr, minor);  in vfio_free_group_minor()
313 	mutex_unlock(&vfio.group_lock);  in vfio_group_unlock_and_free()
364 	mutex_lock(&vfio.group_lock);  in vfio_create_group()
367 	list_for_each_entry(tmp, &vfio.group_list, vfio_next) {  in vfio_create_group()
381 	dev = device_create(vfio.class, NULL,  in vfio_create_group()
382 			    MKDEV(MAJOR(vfio.group_devt), minor),  in vfio_create_group()
394 	list_add(&group->vfio_next, &vfio.group_list);  in vfio_create_group()
396 	mutex_unlock(&vfio.group_lock);  in vfio_create_group()
417 	device_destroy(vfio.class, MKDEV(MAJOR(vfio.group_devt), group->minor));  in vfio_group_release()
426 	kref_put_mutex(&group->kref, vfio_group_release, &vfio.group_lock);  in vfio_group_put()
471 	mutex_lock(&vfio.group_lock);  in vfio_group_try_get()
472 	list_for_each_entry(group, &vfio.group_list, vfio_next) {  in vfio_group_try_get()
475 			mutex_unlock(&vfio.group_lock);  in vfio_group_try_get()
479 	mutex_unlock(&vfio.group_lock);  in vfio_group_try_get()
489 	mutex_lock(&vfio.group_lock);  in vfio_group_get_from_iommu()
490 	list_for_each_entry(group, &vfio.group_list, vfio_next) {  in vfio_group_get_from_iommu()
493 			mutex_unlock(&vfio.group_lock);  in vfio_group_get_from_iommu()
497 	mutex_unlock(&vfio.group_lock);  in vfio_group_get_from_iommu()
506 	mutex_lock(&vfio.group_lock);  in vfio_group_get_from_minor()
507 	group = idr_find(&vfio.group_idr, minor);  in vfio_group_get_from_minor()
509 		mutex_unlock(&vfio.group_lock);  in vfio_group_get_from_minor()
513 	mutex_unlock(&vfio.group_lock);  in vfio_group_get_from_minor()
579 	wake_up(&vfio.release_q);  in vfio_device_release()
978 			ret = wait_event_timeout(vfio.release_q,  in vfio_del_group_dev()
981 			ret = wait_event_interruptible_timeout(vfio.release_q,  in vfio_del_group_dev()
1040 			mutex_lock(&vfio.iommu_drivers_lock);  in vfio_ioctl_check_extension()
1041 			list_for_each_entry(driver, &vfio.iommu_drivers_list,  in vfio_ioctl_check_extension()
1061 			mutex_unlock(&vfio.iommu_drivers_lock);  in vfio_ioctl_check_extension()
1118 	mutex_lock(&vfio.iommu_drivers_lock);  in vfio_ioctl_set_iommu()
1119 	list_for_each_entry(driver, &vfio.iommu_drivers_list, vfio_next) {  in vfio_ioctl_set_iommu()
1165 	mutex_unlock(&vfio.iommu_drivers_lock);  in vfio_ioctl_set_iommu()
2200 	idr_init(&vfio.group_idr);  in vfio_init()
2201 	mutex_init(&vfio.group_lock);  in vfio_init()
2202 	mutex_init(&vfio.iommu_drivers_lock);  in vfio_init()
2203 	INIT_LIST_HEAD(&vfio.group_list);  in vfio_init()
2204 	INIT_LIST_HEAD(&vfio.iommu_drivers_list);  in vfio_init()
2205 	init_waitqueue_head(&vfio.release_q);  in vfio_init()
2214 	vfio.class = class_create(THIS_MODULE, "vfio");  in vfio_init()
2215 	if (IS_ERR(vfio.class)) {  in vfio_init()
2216 		ret = PTR_ERR(vfio.class);  in vfio_init()
2220 	vfio.class->devnode = vfio_devnode;  in vfio_init()
2222 	ret = alloc_chrdev_region(&vfio.group_devt, 0, MINORMASK, "vfio");  in vfio_init()
2226 	cdev_init(&vfio.group_cdev, &vfio_group_fops);  in vfio_init()
2227 	ret = cdev_add(&vfio.group_cdev, vfio.group_devt, MINORMASK);  in vfio_init()
2239 	unregister_chrdev_region(vfio.group_devt, MINORMASK);  in vfio_init()
2241 	class_destroy(vfio.class);  in vfio_init()
2242 	vfio.class = NULL;  in vfio_init()
2250 	WARN_ON(!list_empty(&vfio.group_list));  in vfio_cleanup()
2255 	idr_destroy(&vfio.group_idr);  in vfio_cleanup()
2256 	cdev_del(&vfio.group_cdev);  in vfio_cleanup()
2257 	unregister_chrdev_region(vfio.group_devt, MINORMASK);  in vfio_cleanup()
2258 	class_destroy(vfio.class);  in vfio_cleanup()
2259 	vfio.class = NULL;  in vfio_cleanup()