70 	struct vfio_device_set *dev_set;  in vfio_assign_device_set()  local
79 	dev_set = xa_load(&vfio_device_set_xa, idx);  in vfio_assign_device_set()
80 	if (dev_set)  in vfio_assign_device_set()
92 	dev_set = __xa_cmpxchg(&vfio_device_set_xa, idx, NULL, new_dev_set,  in vfio_assign_device_set()
94 	if (!dev_set) {  in vfio_assign_device_set()
95 		dev_set = new_dev_set;  in vfio_assign_device_set()
100 	if (xa_is_err(dev_set)) {  in vfio_assign_device_set()
102 		return xa_err(dev_set);  in vfio_assign_device_set()
106 	dev_set->device_count++;  in vfio_assign_device_set()
108 	mutex_lock(&dev_set->lock);  in vfio_assign_device_set()
109 	device->dev_set = dev_set;  in vfio_assign_device_set()
110 	list_add_tail(&device->dev_set_list, &dev_set->device_list);  in vfio_assign_device_set()
111 	mutex_unlock(&dev_set->lock);  in vfio_assign_device_set()
118 	struct vfio_device_set *dev_set = device->dev_set;  in vfio_release_device_set()  local
120 	if (!dev_set)  in vfio_release_device_set()
123 	mutex_lock(&dev_set->lock);  in vfio_release_device_set()
125 	mutex_unlock(&dev_set->lock);  in vfio_release_device_set()
128 	if (!--dev_set->device_count) {  in vfio_release_device_set()
130 			   (unsigned long)dev_set->set_id);  in vfio_release_device_set()
131 		mutex_destroy(&dev_set->lock);  in vfio_release_device_set()
132 		kfree(dev_set);  in vfio_release_device_set()
137 unsigned int vfio_device_set_open_count(struct vfio_device_set *dev_set)  in vfio_device_set_open_count()  argument
142 	lockdep_assert_held(&dev_set->lock);  in vfio_device_set_open_count()
144 	list_for_each_entry(cur, &dev_set->device_list, dev_set_list)  in vfio_device_set_open_count()
151 vfio_find_device_in_devset(struct vfio_device_set *dev_set,  in vfio_find_device_in_devset()  argument
156 	lockdep_assert_held(&dev_set->lock);  in vfio_find_device_in_devset()
158 	list_for_each_entry(cur, &dev_set->device_list, dev_set_list)  in vfio_find_device_in_devset()
328 	if (!device->dev_set)  in __vfio_register_dev()
439 	lockdep_assert_held(&device->dev_set->lock);  in vfio_device_get_kvm_safe()
467 	lockdep_assert_held(&device->dev_set->lock);  in vfio_device_put_kvm()
511 	lockdep_assert_held(&device->dev_set->lock);  in vfio_df_device_first_open()
545 	lockdep_assert_held(&device->dev_set->lock);  in vfio_df_device_last_close()
561 	lockdep_assert_held(&device->dev_set->lock);  in vfio_df_open()
584 	lockdep_assert_held(&device->dev_set->lock);  in vfio_df_close()