227 	struct rdac_dh_data	*h;  member
293 			struct rdac_dh_data *h, struct list_head *list)  in rdac_failover_get()  argument
301 	if (h->ctlr->use_ms10) {  in rdac_failover_get()
305 		rdac_pg = &h->ctlr->mode_select.expanded;  in rdac_failover_get()
317 		rdac_pg = &h->ctlr->mode_select.legacy;  in rdac_failover_get()
329 		lun_table[qdata->h->lun] = 0x81;  in rdac_failover_get()
333 	rq = get_rdac_req(sdev, &h->ctlr->mode_select, data_size, WRITE);  in rdac_failover_get()
338 	if (h->ctlr->use_ms10) {  in rdac_failover_get()
348 	rq->sense = h->sense;  in rdac_failover_get()
400 			  unsigned int len, struct rdac_dh_data *h)  in submit_inquiry()  argument
406 	rq = get_rdac_req(sdev, &h->inq, len, READ);  in submit_inquiry()
417 	rq->sense = h->sense;  in submit_inquiry()
430 static int get_lun_info(struct scsi_device *sdev, struct rdac_dh_data *h,  in get_lun_info()  argument
436 	err = submit_inquiry(sdev, 0xC8, sizeof(struct c8_inquiry), h);  in get_lun_info()
438 		inqp = &h->inq.c8;  in get_lun_info()
444 		h->lun = inqp->lun[7]; /* Uses only the last byte */  in get_lun_info()
456 static int check_ownership(struct scsi_device *sdev, struct rdac_dh_data *h)  in check_ownership()  argument
461 	h->state = RDAC_STATE_ACTIVE;  in check_ownership()
462 	err = submit_inquiry(sdev, 0xC9, sizeof(struct c9_inquiry), h);  in check_ownership()
464 		inqp = &h->inq.c9;  in check_ownership()
467 			h->mode = RDAC_MODE_IOSHIP; /* LUN in IOSHIP mode */  in check_ownership()
469 			h->mode = RDAC_MODE_AVT; /* LUN in AVT mode */  in check_ownership()
471 			h->mode = RDAC_MODE; /* LUN in RDAC mode */  in check_ownership()
475 			h->lun_state = RDAC_LUN_OWNED;  in check_ownership()
477 			h->lun_state = RDAC_LUN_UNOWNED;  in check_ownership()
478 			if (h->mode == RDAC_MODE)  in check_ownership()
479 				h->state = RDAC_STATE_PASSIVE;  in check_ownership()
484 			h->preferred = RDAC_PREFERRED;  in check_ownership()
486 			h->preferred = RDAC_NON_PREFERRED;  in check_ownership()
493 		struct rdac_dh_data *h, char *array_name, u8 *array_id)  in initialize_controller()  argument
498 	err = submit_inquiry(sdev, 0xC4, sizeof(struct c4_inquiry), h);  in initialize_controller()
500 		inqp = &h->inq.c4;  in initialize_controller()
508 		h->ctlr = get_controller(index, array_name, array_id, sdev);  in initialize_controller()
509 		if (!h->ctlr)  in initialize_controller()
516 static int set_mode_select(struct scsi_device *sdev, struct rdac_dh_data *h)  in set_mode_select()  argument
521 	err = submit_inquiry(sdev, 0xC2, sizeof(struct c2_inquiry), h);  in set_mode_select()
523 		inqp = &h->inq.c2;  in set_mode_select()
529 			h->ctlr->use_ms10 = 1;  in set_mode_select()
531 			h->ctlr->use_ms10 = 0;  in set_mode_select()
541 	struct rdac_dh_data *h = sdev->handler_data;  in mode_select_handle_sense()  local
573 		(char *) h->ctlr->array_name, h->ctlr->index,  in mode_select_handle_sense()
586 	struct rdac_dh_data *h = sdev->handler_data;  in send_mode_select()  local
600 	rq = rdac_failover_get(sdev, h, &list);  in send_mode_select()
606 		(char *) h->ctlr->array_name, h->ctlr->index,  in send_mode_select()
612 		err = mode_select_handle_sense(sdev, h->sense);  in send_mode_select()
619 		h->state = RDAC_STATE_ACTIVE;  in send_mode_select()
622 				(char *) h->ctlr->array_name, h->ctlr->index);  in send_mode_select()
629 			qdata->h->state = RDAC_STATE_ACTIVE;  in send_mode_select()
647 	qdata->h = sdev->handler_data;  in queue_mode_select()
651 	ctlr = qdata->h->ctlr;  in queue_mode_select()
666 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_activate()  local
670 	err = check_ownership(sdev, h);  in rdac_activate()
674 	switch (h->mode) {  in rdac_activate()
676 		if (h->lun_state == RDAC_LUN_UNOWNED)  in rdac_activate()
680 		if ((h->lun_state == RDAC_LUN_UNOWNED) &&  in rdac_activate()
681 		    (h->preferred == RDAC_PREFERRED))  in rdac_activate()
701 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_prep_fn()  local
704 	if (h->state != RDAC_STATE_ACTIVE) {  in rdac_prep_fn()
715 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_check_sense()  local
719 			(char *) h->ctlr->array_name, h->ctlr->index,  in rdac_check_sense()
756 			h->state = RDAC_STATE_PASSIVE;  in rdac_check_sense()
779 	struct rdac_dh_data *h;  in rdac_bus_attach()  local
784 	h = kzalloc(sizeof(*h) , GFP_KERNEL);  in rdac_bus_attach()
785 	if (!h)  in rdac_bus_attach()
787 	h->lun = UNINITIALIZED_LUN;  in rdac_bus_attach()
788 	h->state = RDAC_STATE_ACTIVE;  in rdac_bus_attach()
790 	err = get_lun_info(sdev, h, array_name, array_id);  in rdac_bus_attach()
794 	err = initialize_controller(sdev, h, array_name, array_id);  in rdac_bus_attach()
798 	err = check_ownership(sdev, h);  in rdac_bus_attach()
802 	err = set_mode_select(sdev, h);  in rdac_bus_attach()
808 		    RDAC_NAME, h->lun, mode[(int)h->mode],  in rdac_bus_attach()
809 		    lun_state[(int)h->lun_state]);  in rdac_bus_attach()
811 	sdev->handler_data = h;  in rdac_bus_attach()
816 	kref_put(&h->ctlr->kref, release_controller);  in rdac_bus_attach()
820 	kfree(h);  in rdac_bus_attach()
826 	struct rdac_dh_data *h = sdev->handler_data;  in rdac_bus_detach()  local
828 	if (h->ctlr && h->ctlr->ms_queued)  in rdac_bus_detach()
832 	if (h->ctlr)  in rdac_bus_detach()
833 		kref_put(&h->ctlr->kref, release_controller);  in rdac_bus_detach()
836 	kfree(h);  in rdac_bus_detach()