98 	ssize_t (*show)(struct pdcspath_entry *entry, char *buf);
99 	ssize_t (*store)(struct pdcspath_entry *entry, const char *buf, size_t count);
139 pdcspath_fetch(struct pdcspath_entry *entry)  in pdcspath_fetch()  argument
143 	if (!entry)  in pdcspath_fetch()
146 	devpath = &entry->devpath;  in pdcspath_fetch()
149 			entry, devpath, entry->addr);  in pdcspath_fetch()
152 	if (pdc_stable_read(entry->addr, devpath, sizeof(*devpath)) != PDC_OK)  in pdcspath_fetch()
158 	entry->dev = hwpath_to_device((struct hardware_path *)devpath);  in pdcspath_fetch()
160 	entry->ready = 1;  in pdcspath_fetch()
162 	DPRINTK("%s: device: 0x%p\n", __func__, entry->dev);  in pdcspath_fetch()
180 pdcspath_store(struct pdcspath_entry *entry)  in pdcspath_store()  argument
184 	BUG_ON(!entry);  in pdcspath_store()
186 	devpath = &entry->devpath;  in pdcspath_store()
191 	if (!entry->ready) {  in pdcspath_store()
193 		BUG_ON(!entry->dev);  in pdcspath_store()
194 		device_to_hwpath(entry->dev, (struct hardware_path *)devpath);  in pdcspath_store()
199 			entry, devpath, entry->addr);  in pdcspath_store()
202 	if (pdc_stable_write(entry->addr, devpath, sizeof(*devpath)) != PDC_OK)  in pdcspath_store()
208 	entry->ready = 2;  in pdcspath_store()
210 	DPRINTK("%s: device: 0x%p\n", __func__, entry->dev);  in pdcspath_store()
221 pdcspath_hwpath_read(struct pdcspath_entry *entry, char *buf)  in pdcspath_hwpath_read()  argument
227 	if (!entry || !buf)  in pdcspath_hwpath_read()
230 	read_lock(&entry->rw_lock);  in pdcspath_hwpath_read()
231 	devpath = &entry->devpath;  in pdcspath_hwpath_read()
232 	i = entry->ready;  in pdcspath_hwpath_read()
233 	read_unlock(&entry->rw_lock);  in pdcspath_hwpath_read()
264 pdcspath_hwpath_write(struct pdcspath_entry *entry, const char *buf, size_t count)  in pdcspath_hwpath_write()  argument
272 	if (!entry || !buf || !count)  in pdcspath_hwpath_write()
309 			"hardware path: %s\n", __func__, entry->name, buf);  in pdcspath_hwpath_write()
314 	write_lock(&entry->rw_lock);  in pdcspath_hwpath_write()
315 	entry->ready = 0;  in pdcspath_hwpath_write()
316 	entry->dev = dev;  in pdcspath_hwpath_write()
319 	pdcspath_store(entry);  in pdcspath_hwpath_write()
322 	sysfs_remove_link(&entry->kobj, "device");  in pdcspath_hwpath_write()
323 	write_unlock(&entry->rw_lock);  in pdcspath_hwpath_write()
325 	ret = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");  in pdcspath_hwpath_write()
329 		entry->name, buf);  in pdcspath_hwpath_write()
342 pdcspath_layer_read(struct pdcspath_entry *entry, char *buf)  in pdcspath_layer_read()  argument
348 	if (!entry || !buf)  in pdcspath_layer_read()
351 	read_lock(&entry->rw_lock);  in pdcspath_layer_read()
352 	devpath = &entry->devpath;  in pdcspath_layer_read()
353 	i = entry->ready;  in pdcspath_layer_read()
354 	read_unlock(&entry->rw_lock);  in pdcspath_layer_read()
380 pdcspath_layer_write(struct pdcspath_entry *entry, const char *buf, size_t count)  in pdcspath_layer_write()  argument
386 	if (!entry || !buf || !count)  in pdcspath_layer_write()
412 	write_lock(&entry->rw_lock);  in pdcspath_layer_write()
416 	memcpy(&entry->devpath.layers, &layers, sizeof(layers));  in pdcspath_layer_write()
419 	pdcspath_store(entry);  in pdcspath_layer_write()
420 	write_unlock(&entry->rw_lock);  in pdcspath_layer_write()
423 		entry->name, buf);  in pdcspath_layer_write()
437 	struct pdcspath_entry *entry = to_pdcspath_entry(kobj);  in pdcspath_attr_show()  local
442 		ret = pdcs_attr->show(entry, buf);  in pdcspath_attr_show()
458 	struct pdcspath_entry *entry = to_pdcspath_entry(kobj);  in pdcspath_attr_store()  local
466 		ret = pdcs_attr->store(entry, buf, count);  in pdcspath_attr_store()
964 	struct pdcspath_entry *entry;  in pdcs_register_pathentries()  local
968 	for (i = 0; (entry = pdcspath_entries[i]); i++)  in pdcs_register_pathentries()
969 		rwlock_init(&entry->rw_lock);  in pdcs_register_pathentries()
971 	for (i = 0; (entry = pdcspath_entries[i]); i++) {  in pdcs_register_pathentries()
972 		write_lock(&entry->rw_lock);  in pdcs_register_pathentries()
973 		err = pdcspath_fetch(entry);  in pdcs_register_pathentries()
974 		write_unlock(&entry->rw_lock);  in pdcs_register_pathentries()
979 		entry->kobj.kset = paths_kset;  in pdcs_register_pathentries()
980 		err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL,  in pdcs_register_pathentries()
981 					   "%s", entry->name);  in pdcs_register_pathentries()
983 			kobject_put(&entry->kobj);  in pdcs_register_pathentries()
988 		write_lock(&entry->rw_lock);  in pdcs_register_pathentries()
989 		entry->ready = 2;  in pdcs_register_pathentries()
990 		write_unlock(&entry->rw_lock);  in pdcs_register_pathentries()
993 		if (entry->dev) {  in pdcs_register_pathentries()
994 			err = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");  in pdcs_register_pathentries()
998 		kobject_uevent(&entry->kobj, KOBJ_ADD);  in pdcs_register_pathentries()
1011 	struct pdcspath_entry *entry;  in pdcs_unregister_pathentries()  local
1013 	for (i = 0; (entry = pdcspath_entries[i]); i++) {  in pdcs_unregister_pathentries()
1014 		read_lock(&entry->rw_lock);  in pdcs_unregister_pathentries()
1015 		if (entry->ready >= 2)  in pdcs_unregister_pathentries()
1016 			kobject_put(&entry->kobj);  in pdcs_unregister_pathentries()
1017 		read_unlock(&entry->rw_lock);  in pdcs_unregister_pathentries()