drivers/misc/enclosure.c

46 	struct enclosure_device *edev;
49 	edev = list_prepare_entry(start, &container_list, node);
51 		put_device(&start->edev);
53 	list_for_each_entry_continue(edev, &container_list, node) {
54 		struct device *parent = edev->edev.parent;
59 				get_device(&edev->edev);
61 				return edev;
88 	struct enclosure_device *edev;
91 	list_for_each_entry(edev, &container_list, node) {
92 		error = fn(edev, data);
118 	struct enclosure_device *edev =
119 		kzalloc(struct_size(edev, component, components), GFP_KERNEL);
124 	if (!edev)
127 	edev->components = components;
129 	edev->edev.class = &enclosure_class;
130 	edev->edev.parent = get_device(dev);
131 	edev->cb = cb;
132 	dev_set_name(&edev->edev, "%s", name);
133 	err = device_register(&edev->edev);
138 		edev->component[i].number = -1;
139 		edev->component[i].slot = -1;
140 		edev->component[i].power_status = -1;
144 	list_add_tail(&edev->node, &container_list);
147 	return edev;
150 	put_device(edev->edev.parent);
151 	kfree(edev);
161  * @edev:	the registered enclosure to remove;
163 void enclosure_unregister(struct enclosure_device *edev)
168 	list_del(&edev->node);
171 	for (i = 0; i < edev->components; i++)
172 		if (edev->component[i].number != -1)
173 			device_unregister(&edev->component[i].cdev);
176 	edev->cb = &enclosure_null_callbacks;
177 	device_unregister(&edev->edev);
226 	struct enclosure_device *edev = to_enclosure_device(cdev);
229 	kfree(edev);
244 enclosure_component_find_by_name(struct enclosure_device *edev,
251 	if (!edev || !name || !name[0])
254 	for (i = 0; i < edev->components; i++) {
255 		ecomp = &edev->component[i];
270  * @edev:	the enclosure to add the component
281 enclosure_component_alloc(struct enclosure_device *edev,
291 	if (number >= edev->components)
294 	ecomp = &edev->component[number];
302 	cdev->parent = get_device(&edev->edev);
312 		while (enclosure_component_find_by_name(edev, newname))
351  * @edev:	the enclosure device being added to.
363 int enclosure_add_device(struct enclosure_device *edev, int component,
369 	if (!edev || component >= edev->components)
372 	cdev = &edev->component[component];
393  * @edev:	the enclosure device
399 int enclosure_remove_device(struct enclosure_device *edev, struct device *dev)
404 	if (!edev || !dev)
407 	for (i = 0; i < edev->components; i++) {
408 		cdev = &edev->component[i];
427 	struct enclosure_device *edev = to_enclosure_device(cdev);
429 	return sysfs_emit(buf, "%d\n", edev->components);
437 	struct enclosure_device *edev = to_enclosure_device(cdev);
439 	if (edev->cb->show_id)
440 		return edev->cb->show_id(edev, buf);
478 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
481 	if (edev->cb->get_fault)
482 		edev->cb->get_fault(edev, ecomp);
490 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
494 	if (edev->cb->set_fault)
495 		edev->cb->set_fault(edev, ecomp, val);
502 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
505 	if (edev->cb->get_status)
506 		edev->cb->get_status(edev, ecomp);
514 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
526 	if (enclosure_status[i] && edev->cb->set_status) {
527 		edev->cb->set_status(edev, ecomp, i);
536 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
539 	if (edev->cb->get_active)
540 		edev->cb->get_active(edev, ecomp);
548 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
552 	if (edev->cb->set_active)
553 		edev->cb->set_active(edev, ecomp, val);
560 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
563 	if (edev->cb->get_locate)
564 		edev->cb->get_locate(edev, ecomp);
572 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
576 	if (edev->cb->set_locate)
577 		edev->cb->set_locate(edev, ecomp, val);
585 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
588 	if (edev->cb->get_power_status)
589 		edev->cb->get_power_status(edev, ecomp);
593 		return (edev->cb->get_power_status) ? -EIO : -ENOTTY;
602 	struct enclosure_device *edev = to_enclosure_device(cdev->parent);
615 	if (edev->cb->set_power_status)
616 		edev->cb->set_power_status(edev, ecomp, val);