61 	struct vfio_device_set *dev_set;  in vfio_assign_device_set()  local
70 	dev_set = xa_load(&vfio_device_set_xa, idx);  in vfio_assign_device_set()
71 	if (dev_set)  in vfio_assign_device_set()
83 	dev_set = __xa_cmpxchg(&vfio_device_set_xa, idx, NULL, new_dev_set,  in vfio_assign_device_set()
85 	if (!dev_set) {  in vfio_assign_device_set()
86 		dev_set = new_dev_set;  in vfio_assign_device_set()
91 	if (xa_is_err(dev_set)) {  in vfio_assign_device_set()
93 		return xa_err(dev_set);  in vfio_assign_device_set()
97 	dev_set->device_count++;  in vfio_assign_device_set()
99 	mutex_lock(&dev_set->lock);  in vfio_assign_device_set()
100 	device->dev_set = dev_set;  in vfio_assign_device_set()
101 	list_add_tail(&device->dev_set_list, &dev_set->device_list);  in vfio_assign_device_set()
102 	mutex_unlock(&dev_set->lock);  in vfio_assign_device_set()
109 	struct vfio_device_set *dev_set = device->dev_set;  in vfio_release_device_set()  local
111 	if (!dev_set)  in vfio_release_device_set()
114 	mutex_lock(&dev_set->lock);  in vfio_release_device_set()
116 	mutex_unlock(&dev_set->lock);  in vfio_release_device_set()
119 	if (!--dev_set->device_count) {  in vfio_release_device_set()
121 			   (unsigned long)dev_set->set_id);  in vfio_release_device_set()
122 		mutex_destroy(&dev_set->lock);  in vfio_release_device_set()
123 		kfree(dev_set);  in vfio_release_device_set()
128 unsigned int vfio_device_set_open_count(struct vfio_device_set *dev_set)  in vfio_device_set_open_count()  argument
133 	lockdep_assert_held(&dev_set->lock);  in vfio_device_set_open_count()
135 	list_for_each_entry(cur, &dev_set->device_list, dev_set_list)  in vfio_device_set_open_count()
544 	if (!device->dev_set)  in __vfio_register_dev()
766 	mutex_lock(&device->dev_set->lock);  in vfio_device_open()
785 	mutex_unlock(&device->dev_set->lock);  in vfio_device_open()
815 	mutex_lock(&device->dev_set->lock);  in vfio_device_open()
828 	mutex_unlock(&device->dev_set->lock);  in vfio_device_open()
1031 	mutex_lock(&device->dev_set->lock);  in vfio_device_fops_release()
1044 	mutex_unlock(&device->dev_set->lock);  in vfio_device_fops_release()