111 	ssize_t (*show)(struct pdcspath_entry *entry, char *buf);
112 	ssize_t (*store)(struct pdcspath_entry *entry, const char *buf, size_t count);
152 pdcspath_fetch(struct pdcspath_entry *entry)  in pdcspath_fetch()  argument
156 	if (!entry)  in pdcspath_fetch()
159 	devpath = &entry->devpath;  in pdcspath_fetch()
162 			entry, devpath, entry->addr);  in pdcspath_fetch()
165 	if (pdc_stable_read(entry->addr, devpath, sizeof(*devpath)) != PDC_OK)  in pdcspath_fetch()
171 	entry->dev = hwpath_to_device((struct hardware_path *)devpath);  in pdcspath_fetch()
173 	entry->ready = 1;  in pdcspath_fetch()
175 	DPRINTK("%s: device: 0x%p\n", __func__, entry->dev);  in pdcspath_fetch()
193 pdcspath_store(struct pdcspath_entry *entry)  in pdcspath_store()  argument
197 	BUG_ON(!entry);  in pdcspath_store()
199 	devpath = &entry->devpath;  in pdcspath_store()
204 	if (!entry->ready) {  in pdcspath_store()
206 		BUG_ON(!entry->dev);  in pdcspath_store()
207 		device_to_hwpath(entry->dev, (struct hardware_path *)devpath);  in pdcspath_store()
212 			entry, devpath, entry->addr);  in pdcspath_store()
215 	if (pdc_stable_write(entry->addr, devpath, sizeof(*devpath)) != PDC_OK)  in pdcspath_store()
221 	entry->ready = 2;  in pdcspath_store()
223 	DPRINTK("%s: device: 0x%p\n", __func__, entry->dev);  in pdcspath_store()
234 pdcspath_hwpath_read(struct pdcspath_entry *entry, char *buf)  in pdcspath_hwpath_read()  argument
240 	if (!entry || !buf)  in pdcspath_hwpath_read()
243 	read_lock(&entry->rw_lock);  in pdcspath_hwpath_read()
244 	devpath = &entry->devpath;  in pdcspath_hwpath_read()
245 	i = entry->ready;  in pdcspath_hwpath_read()
246 	read_unlock(&entry->rw_lock);  in pdcspath_hwpath_read()
277 pdcspath_hwpath_write(struct pdcspath_entry *entry, const char *buf, size_t count)  in pdcspath_hwpath_write()  argument
285 	if (!entry || !buf || !count)  in pdcspath_hwpath_write()
322 			"hardware path: %s\n", __func__, entry->name, buf);  in pdcspath_hwpath_write()
327 	write_lock(&entry->rw_lock);  in pdcspath_hwpath_write()
328 	entry->ready = 0;  in pdcspath_hwpath_write()
329 	entry->dev = dev;  in pdcspath_hwpath_write()
332 	pdcspath_store(entry);  in pdcspath_hwpath_write()
335 	sysfs_remove_link(&entry->kobj, "device");  in pdcspath_hwpath_write()
336 	write_unlock(&entry->rw_lock);  in pdcspath_hwpath_write()
338 	ret = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");  in pdcspath_hwpath_write()
342 		entry->name, buf);  in pdcspath_hwpath_write()
355 pdcspath_layer_read(struct pdcspath_entry *entry, char *buf)  in pdcspath_layer_read()  argument
361 	if (!entry || !buf)  in pdcspath_layer_read()
364 	read_lock(&entry->rw_lock);  in pdcspath_layer_read()
365 	devpath = &entry->devpath;  in pdcspath_layer_read()
366 	i = entry->ready;  in pdcspath_layer_read()
367 	read_unlock(&entry->rw_lock);  in pdcspath_layer_read()
393 pdcspath_layer_write(struct pdcspath_entry *entry, const char *buf, size_t count)  in pdcspath_layer_write()  argument
399 	if (!entry || !buf || !count)  in pdcspath_layer_write()
425 	write_lock(&entry->rw_lock);  in pdcspath_layer_write()
429 	memcpy(&entry->devpath.layers, &layers, sizeof(layers));  in pdcspath_layer_write()
432 	pdcspath_store(entry);  in pdcspath_layer_write()
433 	write_unlock(&entry->rw_lock);  in pdcspath_layer_write()
436 		entry->name, buf);  in pdcspath_layer_write()
450 	struct pdcspath_entry *entry = to_pdcspath_entry(kobj);  in pdcspath_attr_show()  local
455 		ret = pdcs_attr->show(entry, buf);  in pdcspath_attr_show()
471 	struct pdcspath_entry *entry = to_pdcspath_entry(kobj);  in pdcspath_attr_store()  local
479 		ret = pdcs_attr->store(entry, buf, count);  in pdcspath_attr_store()
977 	struct pdcspath_entry *entry;  in pdcs_register_pathentries()  local
981 	for (i = 0; (entry = pdcspath_entries[i]); i++)  in pdcs_register_pathentries()
982 		rwlock_init(&entry->rw_lock);  in pdcs_register_pathentries()
984 	for (i = 0; (entry = pdcspath_entries[i]); i++) {  in pdcs_register_pathentries()
985 		write_lock(&entry->rw_lock);  in pdcs_register_pathentries()
986 		err = pdcspath_fetch(entry);  in pdcs_register_pathentries()
987 		write_unlock(&entry->rw_lock);  in pdcs_register_pathentries()
992 		entry->kobj.kset = paths_kset;  in pdcs_register_pathentries()
993 		err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL,  in pdcs_register_pathentries()
994 					   "%s", entry->name);  in pdcs_register_pathentries()
999 		write_lock(&entry->rw_lock);  in pdcs_register_pathentries()
1000 		entry->ready = 2;  in pdcs_register_pathentries()
1001 		write_unlock(&entry->rw_lock);  in pdcs_register_pathentries()
1004 		if (entry->dev) {  in pdcs_register_pathentries()
1005 			err = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");  in pdcs_register_pathentries()
1009 		kobject_uevent(&entry->kobj, KOBJ_ADD);  in pdcs_register_pathentries()
1022 	struct pdcspath_entry *entry;  in pdcs_unregister_pathentries()  local
1024 	for (i = 0; (entry = pdcspath_entries[i]); i++) {  in pdcs_unregister_pathentries()
1025 		read_lock(&entry->rw_lock);  in pdcs_unregister_pathentries()
1026 		if (entry->ready >= 2)  in pdcs_unregister_pathentries()
1027 			kobject_put(&entry->kobj);  in pdcs_unregister_pathentries()
1028 		read_unlock(&entry->rw_lock);  in pdcs_unregister_pathentries()