112 static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)  in hp_sw_tur()  argument
128 	req->sense = h->sense;  in hp_sw_tur()
135 			ret = tur_done(sdev, h->sense);  in hp_sw_tur()
143 		h->path_state = HP_SW_PATH_ACTIVE;  in hp_sw_tur()
151 		h->path_state = HP_SW_PATH_PASSIVE;  in hp_sw_tur()
203 	struct hp_sw_dh_data *h = req->end_io_data;  in start_stop_endio()  local
208 		sdev_printk(KERN_WARNING, h->sdev,  in start_stop_endio()
216 		err = start_done(h->sdev, h->sense);  in start_stop_endio()
219 			if (--h->retry_cnt) {  in start_stop_endio()
221 				err = hp_sw_start_stop(h);  in start_stop_endio()
230 	if (h->callback_fn) {  in start_stop_endio()
231 		h->callback_fn(h->callback_data, err);  in start_stop_endio()
232 		h->callback_fn = h->callback_data = NULL;  in start_stop_endio()
244 static int hp_sw_start_stop(struct hp_sw_dh_data *h)  in hp_sw_start_stop()  argument
248 	req = blk_get_request(h->sdev->request_queue, WRITE, GFP_ATOMIC);  in hp_sw_start_stop()
259 	req->sense = h->sense;  in hp_sw_start_stop()
262 	req->end_io_data = h;  in hp_sw_start_stop()
270 	struct hp_sw_dh_data *h = get_hp_sw_data(sdev);  in hp_sw_prep_fn()  local
273 	if (h->path_state != HP_SW_PATH_ACTIVE) {  in hp_sw_prep_fn()
295 	struct hp_sw_dh_data *h = get_hp_sw_data(sdev);  in hp_sw_activate()  local
297 	ret = hp_sw_tur(sdev, h);  in hp_sw_activate()
299 	if (ret == SCSI_DH_OK && h->path_state == HP_SW_PATH_PASSIVE) {  in hp_sw_activate()
300 		h->retry_cnt = h->retries;  in hp_sw_activate()
301 		h->callback_fn = fn;  in hp_sw_activate()
302 		h->callback_data = data;  in hp_sw_activate()
303 		ret = hp_sw_start_stop(h);  in hp_sw_activate()
306 		h->callback_fn = h->callback_data = NULL;  in hp_sw_activate()
345 	struct hp_sw_dh_data *h;  in hp_sw_bus_attach()  local
348 	h = kzalloc(sizeof(*h), GFP_KERNEL);  in hp_sw_bus_attach()
349 	if (!h)  in hp_sw_bus_attach()
351 	h->path_state = HP_SW_PATH_UNINITIALIZED;  in hp_sw_bus_attach()
352 	h->retries = HP_SW_RETRIES;  in hp_sw_bus_attach()
353 	h->sdev = sdev;  in hp_sw_bus_attach()
355 	ret = hp_sw_tur(sdev, h);  in hp_sw_bus_attach()
356 	if (ret != SCSI_DH_OK || h->path_state == HP_SW_PATH_UNINITIALIZED)  in hp_sw_bus_attach()
360 		    HP_SW_NAME, h->path_state == HP_SW_PATH_ACTIVE?  in hp_sw_bus_attach()
362 	return &h->dh_data;  in hp_sw_bus_attach()
364 	kfree(h);  in hp_sw_bus_attach()
370 	struct hp_sw_dh_data *h = get_hp_sw_data(sdev);  in hp_sw_bus_detach()  local
372 	kfree(h);  in hp_sw_bus_detach()