106 static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)  in hp_sw_tur()  argument
122 	req->sense = h->sense;  in hp_sw_tur()
129 			ret = tur_done(sdev, h->sense);  in hp_sw_tur()
137 		h->path_state = HP_SW_PATH_ACTIVE;  in hp_sw_tur()
145 		h->path_state = HP_SW_PATH_PASSIVE;  in hp_sw_tur()
197 	struct hp_sw_dh_data *h = req->end_io_data;  in start_stop_endio()  local
202 		sdev_printk(KERN_WARNING, h->sdev,  in start_stop_endio()
210 		err = start_done(h->sdev, h->sense);  in start_stop_endio()
213 			if (--h->retry_cnt) {  in start_stop_endio()
215 				err = hp_sw_start_stop(h);  in start_stop_endio()
224 	if (h->callback_fn) {  in start_stop_endio()
225 		h->callback_fn(h->callback_data, err);  in start_stop_endio()
226 		h->callback_fn = h->callback_data = NULL;  in start_stop_endio()
238 static int hp_sw_start_stop(struct hp_sw_dh_data *h)  in hp_sw_start_stop()  argument
242 	req = blk_get_request(h->sdev->request_queue, WRITE, GFP_ATOMIC);  in hp_sw_start_stop()
253 	req->sense = h->sense;  in hp_sw_start_stop()
256 	req->end_io_data = h;  in hp_sw_start_stop()
264 	struct hp_sw_dh_data *h = sdev->handler_data;  in hp_sw_prep_fn()  local
267 	if (h->path_state != HP_SW_PATH_ACTIVE) {  in hp_sw_prep_fn()
289 	struct hp_sw_dh_data *h = sdev->handler_data;  in hp_sw_activate()  local
291 	ret = hp_sw_tur(sdev, h);  in hp_sw_activate()
293 	if (ret == SCSI_DH_OK && h->path_state == HP_SW_PATH_PASSIVE) {  in hp_sw_activate()
294 		h->retry_cnt = h->retries;  in hp_sw_activate()
295 		h->callback_fn = fn;  in hp_sw_activate()
296 		h->callback_data = data;  in hp_sw_activate()
297 		ret = hp_sw_start_stop(h);  in hp_sw_activate()
300 		h->callback_fn = h->callback_data = NULL;  in hp_sw_activate()
310 	struct hp_sw_dh_data *h;  in hp_sw_bus_attach()  local
313 	h = kzalloc(sizeof(*h), GFP_KERNEL);  in hp_sw_bus_attach()
314 	if (!h)  in hp_sw_bus_attach()
316 	h->path_state = HP_SW_PATH_UNINITIALIZED;  in hp_sw_bus_attach()
317 	h->retries = HP_SW_RETRIES;  in hp_sw_bus_attach()
318 	h->sdev = sdev;  in hp_sw_bus_attach()
320 	ret = hp_sw_tur(sdev, h);  in hp_sw_bus_attach()
321 	if (ret != SCSI_DH_OK || h->path_state == HP_SW_PATH_UNINITIALIZED)  in hp_sw_bus_attach()
325 		    HP_SW_NAME, h->path_state == HP_SW_PATH_ACTIVE?  in hp_sw_bus_attach()
328 	sdev->handler_data = h;  in hp_sw_bus_attach()
331 	kfree(h);  in hp_sw_bus_attach()