229 	struct rdac_dh_data	*h;  member
301 		lun_table[qdata->h->lun] = 0x81;  in rdac_failover_get()
362 static int get_lun_info(struct scsi_device *sdev, struct rdac_dh_data *h,  in get_lun_info()  argument
366 	struct c8_inquiry *inqp = &h->inq.c8;  in get_lun_info()
375 		h->lun = inqp->lun[7]; /* Uses only the last byte */  in get_lun_info()
388 static int check_ownership(struct scsi_device *sdev, struct rdac_dh_data *h)  in check_ownership()  argument
392 	struct c9_inquiry *inqp = &h->inq.c9;  in check_ownership()
394 	h->state = RDAC_STATE_ACTIVE;  in check_ownership()
399 			h->mode = RDAC_MODE_IOSHIP; /* LUN in IOSHIP mode */  in check_ownership()
401 			h->mode = RDAC_MODE_AVT; /* LUN in AVT mode */  in check_ownership()
403 			h->mode = RDAC_MODE; /* LUN in RDAC mode */  in check_ownership()
407 			h->lun_state = RDAC_LUN_OWNED;  in check_ownership()
410 			h->lun_state = RDAC_LUN_UNOWNED;  in check_ownership()
411 			if (h->mode == RDAC_MODE) {  in check_ownership()
412 				h->state = RDAC_STATE_PASSIVE;  in check_ownership()
420 			h->preferred = RDAC_PREFERRED;  in check_ownership()
423 			h->preferred = RDAC_NON_PREFERRED;  in check_ownership()
425 		list_for_each_entry_rcu(tmp, &h->ctlr->dh_list, node) {  in check_ownership()
438 		struct rdac_dh_data *h, char *array_name, u8 *array_id)  in initialize_controller()  argument
441 	struct c4_inquiry *inqp = &h->inq.c4;  in initialize_controller()
452 		h->ctlr = get_controller(index, array_name, array_id, sdev);  in initialize_controller()
453 		if (!h->ctlr)  in initialize_controller()
456 			h->sdev = sdev;  in initialize_controller()
457 			list_add_rcu(&h->node, &h->ctlr->dh_list);  in initialize_controller()
465 static int set_mode_select(struct scsi_device *sdev, struct rdac_dh_data *h)  in set_mode_select()  argument
468 	struct c2_inquiry *inqp = &h->inq.c2;  in set_mode_select()
477 			h->ctlr->use_ms10 = 1;  in set_mode_select()
479 			h->ctlr->use_ms10 = 0;  in set_mode_select()
489 	struct rdac_dh_data *h = sdev->handler_data;  in mode_select_handle_sense()  local
520 		(char *) h->ctlr->array_name, h->ctlr->index,  in mode_select_handle_sense()
532 	struct rdac_dh_data *h = sdev->handler_data;  in send_mode_select()  local
555 		(char *) h->ctlr->array_name, h->ctlr->index,  in send_mode_select()
558 	if (scsi_execute(sdev, cdb, DMA_TO_DEVICE, &h->ctlr->mode_select,  in send_mode_select()
568 		h->state = RDAC_STATE_ACTIVE;  in send_mode_select()
571 				(char *) h->ctlr->array_name, h->ctlr->index);  in send_mode_select()
577 			qdata->h->state = RDAC_STATE_ACTIVE;  in send_mode_select()
595 	qdata->h = sdev->handler_data;  in queue_mode_select()
599 	ctlr = qdata->h->ctlr;  in queue_mode_select()
614 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_activate()  local
618 	err = check_ownership(sdev, h);  in rdac_activate()
622 	switch (h->mode) {  in rdac_activate()
624 		if (h->lun_state == RDAC_LUN_UNOWNED)  in rdac_activate()
628 		if ((h->lun_state == RDAC_LUN_UNOWNED) &&  in rdac_activate()
629 		    (h->preferred == RDAC_PREFERRED))  in rdac_activate()
649 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_prep_fn()  local
651 	if (h->state != RDAC_STATE_ACTIVE) {  in rdac_prep_fn()
662 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_check_sense()  local
666 			(char *) h->ctlr->array_name, h->ctlr->index,  in rdac_check_sense()
703 			h->state = RDAC_STATE_PASSIVE;  in rdac_check_sense()
726 	struct rdac_dh_data *h;  in rdac_bus_attach()  local
731 	h = kzalloc(sizeof(*h) , GFP_KERNEL);  in rdac_bus_attach()
732 	if (!h)  in rdac_bus_attach()
734 	h->lun = UNINITIALIZED_LUN;  in rdac_bus_attach()
735 	h->state = RDAC_STATE_ACTIVE;  in rdac_bus_attach()
737 	err = get_lun_info(sdev, h, array_name, array_id);  in rdac_bus_attach()
741 	err = initialize_controller(sdev, h, array_name, array_id);  in rdac_bus_attach()
745 	err = check_ownership(sdev, h);  in rdac_bus_attach()
749 	err = set_mode_select(sdev, h);  in rdac_bus_attach()
755 		    RDAC_NAME, h->lun, mode[(int)h->mode],  in rdac_bus_attach()
756 		    lun_state[(int)h->lun_state]);  in rdac_bus_attach()
758 	sdev->handler_data = h;  in rdac_bus_attach()
763 	kref_put(&h->ctlr->kref, release_controller);  in rdac_bus_attach()
767 	kfree(h);  in rdac_bus_attach()
773 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_bus_detach()  local
775 	if (h->ctlr && h->ctlr->ms_queued)  in rdac_bus_detach()
779 	if (h->ctlr) {  in rdac_bus_detach()
780 		list_del_rcu(&h->node);  in rdac_bus_detach()
781 		kref_put(&h->ctlr->kref, release_controller);  in rdac_bus_detach()
786 	kfree(h);  in rdac_bus_detach()