228 	struct rdac_dh_data	*h;  member
299 			struct rdac_dh_data *h, struct list_head *list)  in rdac_failover_get()  argument
307 	if (h->ctlr->use_ms10) {  in rdac_failover_get()
311 		rdac_pg = &h->ctlr->mode_select.expanded;  in rdac_failover_get()
323 		rdac_pg = &h->ctlr->mode_select.legacy;  in rdac_failover_get()
335 		lun_table[qdata->h->lun] = 0x81;  in rdac_failover_get()
339 	rq = get_rdac_req(sdev, &h->ctlr->mode_select, data_size, WRITE);  in rdac_failover_get()
344 	if (h->ctlr->use_ms10) {  in rdac_failover_get()
354 	rq->sense = h->sense;  in rdac_failover_get()
406 			  unsigned int len, struct rdac_dh_data *h)  in submit_inquiry()  argument
412 	rq = get_rdac_req(sdev, &h->inq, len, READ);  in submit_inquiry()
423 	rq->sense = h->sense;  in submit_inquiry()
436 static int get_lun_info(struct scsi_device *sdev, struct rdac_dh_data *h,  in get_lun_info()  argument
442 	err = submit_inquiry(sdev, 0xC8, sizeof(struct c8_inquiry), h);  in get_lun_info()
444 		inqp = &h->inq.c8;  in get_lun_info()
450 		h->lun = inqp->lun[7]; /* Uses only the last byte */  in get_lun_info()
462 static int check_ownership(struct scsi_device *sdev, struct rdac_dh_data *h)  in check_ownership()  argument
467 	h->state = RDAC_STATE_ACTIVE;  in check_ownership()
468 	err = submit_inquiry(sdev, 0xC9, sizeof(struct c9_inquiry), h);  in check_ownership()
470 		inqp = &h->inq.c9;  in check_ownership()
473 			h->mode = RDAC_MODE_IOSHIP; /* LUN in IOSHIP mode */  in check_ownership()
475 			h->mode = RDAC_MODE_AVT; /* LUN in AVT mode */  in check_ownership()
477 			h->mode = RDAC_MODE; /* LUN in RDAC mode */  in check_ownership()
481 			h->lun_state = RDAC_LUN_OWNED;  in check_ownership()
483 			h->lun_state = RDAC_LUN_UNOWNED;  in check_ownership()
484 			if (h->mode == RDAC_MODE)  in check_ownership()
485 				h->state = RDAC_STATE_PASSIVE;  in check_ownership()
490 			h->preferred = RDAC_PREFERRED;  in check_ownership()
492 			h->preferred = RDAC_NON_PREFERRED;  in check_ownership()
499 		struct rdac_dh_data *h, char *array_name, u8 *array_id)  in initialize_controller()  argument
504 	err = submit_inquiry(sdev, 0xC4, sizeof(struct c4_inquiry), h);  in initialize_controller()
506 		inqp = &h->inq.c4;  in initialize_controller()
514 		h->ctlr = get_controller(index, array_name, array_id, sdev);  in initialize_controller()
515 		if (!h->ctlr)  in initialize_controller()
522 static int set_mode_select(struct scsi_device *sdev, struct rdac_dh_data *h)  in set_mode_select()  argument
527 	err = submit_inquiry(sdev, 0xC2, sizeof(struct c2_inquiry), h);  in set_mode_select()
529 		inqp = &h->inq.c2;  in set_mode_select()
535 			h->ctlr->use_ms10 = 1;  in set_mode_select()
537 			h->ctlr->use_ms10 = 0;  in set_mode_select()
547 	struct rdac_dh_data *h = get_rdac_data(sdev);  in mode_select_handle_sense()  local
579 		(char *) h->ctlr->array_name, h->ctlr->index,  in mode_select_handle_sense()
592 	struct rdac_dh_data *h = get_rdac_data(sdev);  in send_mode_select()  local
606 	rq = rdac_failover_get(sdev, h, &list);  in send_mode_select()
612 		(char *) h->ctlr->array_name, h->ctlr->index,  in send_mode_select()
618 		err = mode_select_handle_sense(sdev, h->sense);  in send_mode_select()
625 		h->state = RDAC_STATE_ACTIVE;  in send_mode_select()
628 				(char *) h->ctlr->array_name, h->ctlr->index);  in send_mode_select()
635 			qdata->h->state = RDAC_STATE_ACTIVE;  in send_mode_select()
653 	qdata->h = get_rdac_data(sdev);  in queue_mode_select()
657 	ctlr = qdata->h->ctlr;  in queue_mode_select()
672 	struct rdac_dh_data *h = get_rdac_data(sdev);  in rdac_activate()  local
676 	err = check_ownership(sdev, h);  in rdac_activate()
680 	switch (h->mode) {  in rdac_activate()
682 		if (h->lun_state == RDAC_LUN_UNOWNED)  in rdac_activate()
686 		if ((h->lun_state == RDAC_LUN_UNOWNED) &&  in rdac_activate()
687 		    (h->preferred == RDAC_PREFERRED))  in rdac_activate()
707 	struct rdac_dh_data *h = get_rdac_data(sdev);  in rdac_prep_fn()  local
710 	if (h->state != RDAC_STATE_ACTIVE) {  in rdac_prep_fn()
721 	struct rdac_dh_data *h = get_rdac_data(sdev);  in rdac_check_sense()  local
725 			(char *) h->ctlr->array_name, h->ctlr->index,  in rdac_check_sense()
762 			h->state = RDAC_STATE_PASSIVE;  in rdac_check_sense()
834 	struct rdac_dh_data *h;  in rdac_bus_attach()  local
839 	h = kzalloc(sizeof(*h) , GFP_KERNEL);  in rdac_bus_attach()
840 	if (!h)  in rdac_bus_attach()
842 	h->lun = UNINITIALIZED_LUN;  in rdac_bus_attach()
843 	h->state = RDAC_STATE_ACTIVE;  in rdac_bus_attach()
845 	err = get_lun_info(sdev, h, array_name, array_id);  in rdac_bus_attach()
849 	err = initialize_controller(sdev, h, array_name, array_id);  in rdac_bus_attach()
853 	err = check_ownership(sdev, h);  in rdac_bus_attach()
857 	err = set_mode_select(sdev, h);  in rdac_bus_attach()
863 		    RDAC_NAME, h->lun, mode[(int)h->mode],  in rdac_bus_attach()
864 		    lun_state[(int)h->lun_state]);  in rdac_bus_attach()
866 	return &h->dh_data;  in rdac_bus_attach()
870 	kref_put(&h->ctlr->kref, release_controller);  in rdac_bus_attach()
874 	kfree(h);  in rdac_bus_attach()
880 	struct rdac_dh_data *h = get_rdac_data(sdev);  in rdac_bus_detach()  local
882 	if (h->ctlr && h->ctlr->ms_queued)  in rdac_bus_detach()
886 	if (h->ctlr)  in rdac_bus_detach()
887 		kref_put(&h->ctlr->kref, release_controller);  in rdac_bus_detach()
889 	kfree(h);  in rdac_bus_detach()