167 		device->group->container->iommu_driver;  in vfio_device_container_register()
171 			device->group->container->iommu_data, device);  in vfio_device_container_register()
177 		device->group->container->iommu_driver;  in vfio_device_container_unregister()
181 			device->group->container->iommu_data, device);  in vfio_device_container_unregister()
239 	struct vfio_group *group;  in __vfio_container_attach_groups()  local
242 	list_for_each_entry(group, &container->group_list, container_next) {  in __vfio_container_attach_groups()
243 		ret = driver->ops->attach_group(data, group->iommu_group,  in __vfio_container_attach_groups()
244 						group->type);  in __vfio_container_attach_groups()
252 	list_for_each_entry_continue_reverse(group, &container->group_list,  in __vfio_container_attach_groups()
254 		driver->ops->detach_group(data, group->iommu_group);  in __vfio_container_attach_groups()
417 				struct vfio_group *group)  in vfio_container_attach_group()  argument
422 	lockdep_assert_held(&group->group_lock);  in vfio_container_attach_group()
424 	if (group->type == VFIO_NO_IOMMU && !capable(CAP_SYS_RAWIO))  in vfio_container_attach_group()
431 	    container->noiommu != (group->type == VFIO_NO_IOMMU)) {  in vfio_container_attach_group()
436 	if (group->type == VFIO_IOMMU) {  in vfio_container_attach_group()
437 		ret = iommu_group_claim_dma_owner(group->iommu_group, group);  in vfio_container_attach_group()
445 						group->iommu_group,  in vfio_container_attach_group()
446 						group->type);  in vfio_container_attach_group()
448 			if (group->type == VFIO_IOMMU)  in vfio_container_attach_group()
450 					group->iommu_group);  in vfio_container_attach_group()
455 	group->container = container;  in vfio_container_attach_group()
456 	group->container_users = 1;  in vfio_container_attach_group()
457 	container->noiommu = (group->type == VFIO_NO_IOMMU);  in vfio_container_attach_group()
458 	list_add(&group->container_next, &container->group_list);  in vfio_container_attach_group()
468 void vfio_group_detach_container(struct vfio_group *group)  in vfio_group_detach_container()  argument
470 	struct vfio_container *container = group->container;  in vfio_group_detach_container()
473 	lockdep_assert_held(&group->group_lock);  in vfio_group_detach_container()
474 	WARN_ON(group->container_users != 1);  in vfio_group_detach_container()
481 					  group->iommu_group);  in vfio_group_detach_container()
483 	if (group->type == VFIO_IOMMU)  in vfio_group_detach_container()
484 		iommu_group_release_dma_owner(group->iommu_group);  in vfio_group_detach_container()
486 	group->container = NULL;  in vfio_group_detach_container()
487 	group->container_users = 0;  in vfio_group_detach_container()
488 	list_del(&group->container_next);  in vfio_group_detach_container()
503 int vfio_group_use_container(struct vfio_group *group)  in vfio_group_use_container()  argument
505 	lockdep_assert_held(&group->group_lock);  in vfio_group_use_container()
511 	if (!group->container->iommu_driver)  in vfio_group_use_container()
514 	if (group->type == VFIO_NO_IOMMU && !capable(CAP_SYS_RAWIO))  in vfio_group_use_container()
517 	get_file(group->opened_file);  in vfio_group_use_container()
518 	group->container_users++;  in vfio_group_use_container()
522 void vfio_group_unuse_container(struct vfio_group *group)  in vfio_group_unuse_container()  argument
524 	lockdep_assert_held(&group->group_lock);  in vfio_group_unuse_container()
526 	WARN_ON(group->container_users <= 1);  in vfio_group_unuse_container()
527 	group->container_users--;  in vfio_group_unuse_container()
528 	fput(group->opened_file);  in vfio_group_unuse_container()
535 	struct vfio_container *container = device->group->container;  in vfio_device_container_pin_pages()
536 	struct iommu_group *iommu_group = device->group->iommu_group;  in vfio_device_container_pin_pages()
551 	struct vfio_container *container = device->group->container;  in vfio_device_container_unpin_pages()
564 	struct vfio_container *container = device->group->container;  in vfio_device_container_dma_rw()