7  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
20  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
140 	return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id);  in isci_show_id()
166 	.this_id			= -1,
201 	/* ata recovery called from ata-eh */
223  * isci_register_sas_ha() - This method initializes various lldd
236 	struct sas_ha_struct *sas_ha = &(isci_host->sas_ha);  in isci_register_sas_ha()
240 	sas_phys = devm_kcalloc(&isci_host->pdev->dev,  in isci_register_sas_ha()
244 		return -ENOMEM;  in isci_register_sas_ha()
246 	sas_ports = devm_kcalloc(&isci_host->pdev->dev,  in isci_register_sas_ha()
250 		return -ENOMEM;  in isci_register_sas_ha()
252 	sas_ha->sas_ha_name = DRV_NAME;  in isci_register_sas_ha()
253 	sas_ha->lldd_module = THIS_MODULE;  in isci_register_sas_ha()
254 	sas_ha->sas_addr    = &isci_host->phys[0].sas_addr[0];  in isci_register_sas_ha()
257 		sas_phys[i] = &isci_host->phys[i].sas_phy;  in isci_register_sas_ha()
258 		sas_ports[i] = &isci_host->sas_ports[i];  in isci_register_sas_ha()
261 	sas_ha->sas_phy  = sas_phys;  in isci_register_sas_ha()
262 	sas_ha->sas_port = sas_ports;  in isci_register_sas_ha()
263 	sas_ha->num_phys = SCI_MAX_PHYS;  in isci_register_sas_ha()
265 	sas_ha->strict_wide_ports = 1;  in isci_register_sas_ha()
280 	sas_unregister_ha(&isci_host->sas_ha);  in isci_unregister()
293 		dev_err(&pdev->dev,  in isci_pci_init()
308 		return -ENOMEM;  in isci_pci_init()
312 	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));  in isci_pci_init()
314 		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));  in isci_pci_init()
354 		ihost = pci_info->hosts[id];  in isci_setup_interrupts()
355 		/* odd numbered vectors are error interrupts */  in isci_setup_interrupts()
361 		err = devm_request_irq(&pdev->dev, pci_irq_vector(pdev, i),  in isci_setup_interrupts()
362 				isr, 0, DRV_NAME"-msix", ihost);  in isci_setup_interrupts()
366 		dev_info(&pdev->dev, "msix setup failed falling back to intx\n");  in isci_setup_interrupts()
367 		while (i--) {  in isci_setup_interrupts()
369 			ihost = pci_info->hosts[id];  in isci_setup_interrupts()
370 			devm_free_irq(&pdev->dev, pci_irq_vector(pdev, i),  in isci_setup_interrupts()
380 		err = devm_request_irq(&pdev->dev, pci_irq_vector(pdev, 0),  in isci_setup_interrupts()
381 				isci_intx_isr, IRQF_SHARED, DRV_NAME"-intx",  in isci_setup_interrupts()
394 		struct sci_phy_user_params *u_phy = &u->phys[i];  in isci_user_parameters_get()
396 		u_phy->max_speed_generation = phy_gen;  in isci_user_parameters_get()
399 		u_phy->align_insertion_frequency = 0x7f;  in isci_user_parameters_get()
400 		u_phy->in_connection_align_insertion_frequency = 0xff;  in isci_user_parameters_get()
401 		u_phy->notify_enable_spin_up_insertion_frequency = 0x33;  in isci_user_parameters_get()
404 	u->stp_inactivity_timeout = stp_inactive_to;  in isci_user_parameters_get()
405 	u->ssp_inactivity_timeout = ssp_inactive_to;  in isci_user_parameters_get()
406 	u->stp_max_occupancy_timeout = stp_max_occ_to;  in isci_user_parameters_get()
407 	u->ssp_max_occupancy_timeout = ssp_max_occ_to;  in isci_user_parameters_get()
408 	u->no_outbound_task_timeout = no_outbound_task_to;  in isci_user_parameters_get()
409 	u->max_concurr_spinup = max_concurr_spinup;  in isci_user_parameters_get()
424 		u = &sci_parms->phys[index];  in sci_user_parameters_set()
426 		if (!((u->max_speed_generation <= SCIC_SDS_PARM_MAX_SPEED) &&  in sci_user_parameters_set()
427 		      (u->max_speed_generation > SCIC_SDS_PARM_NO_SPEED)))  in sci_user_parameters_set()
430 		if ((u->in_connection_align_insertion_frequency < 3) ||  in sci_user_parameters_set()
431 		    (u->align_insertion_frequency == 0) ||  in sci_user_parameters_set()
432 		    (u->notify_enable_spin_up_insertion_frequency == 0))  in sci_user_parameters_set()
436 	if ((sci_parms->stp_inactivity_timeout == 0) ||  in sci_user_parameters_set()
437 	    (sci_parms->ssp_inactivity_timeout == 0) ||  in sci_user_parameters_set()
438 	    (sci_parms->stp_max_occupancy_timeout == 0) ||  in sci_user_parameters_set()
439 	    (sci_parms->ssp_max_occupancy_timeout == 0) ||  in sci_user_parameters_set()
440 	    (sci_parms->no_outbound_task_timeout == 0))  in sci_user_parameters_set()
443 	memcpy(&ihost->user_parameters, sci_parms, sizeof(*sci_parms));  in sci_user_parameters_set()
451 	struct sci_user_parameters *user = &ihost->user_parameters;  in sci_oem_defaults()
452 	struct sci_oem_params *oem = &ihost->oem_parameters;  in sci_oem_defaults()
456 	oem->controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;  in sci_oem_defaults()
459 	oem->controller.max_concurr_spin_up = 1;  in sci_oem_defaults()
462 	oem->controller.do_enable_ssc = false;  in sci_oem_defaults()
465 	oem->controller.cable_selection_mask = 0;  in sci_oem_defaults()
469 		oem->ports[i].phy_mask = 0;  in sci_oem_defaults()
474 		user->phys[i].max_speed_generation = SCIC_SDS_PARM_GEN2_SPEED;  in sci_oem_defaults()
477 		user->phys[i].align_insertion_frequency = 0x7f;  in sci_oem_defaults()
478 		user->phys[i].in_connection_align_insertion_frequency = 0xff;  in sci_oem_defaults()
479 		user->phys[i].notify_enable_spin_up_insertion_frequency = 0x33;  in sci_oem_defaults()
482 		 * is worked around by having the upper 32-bits of SAS address  in sci_oem_defaults()
486 		oem->phys[i].sas_address.low = 0x1 + ihost->id;  in sci_oem_defaults()
487 		oem->phys[i].sas_address.high = 0x5FCFFFFF;  in sci_oem_defaults()
490 	user->stp_inactivity_timeout = 5;  in sci_oem_defaults()
491 	user->ssp_inactivity_timeout = 5;  in sci_oem_defaults()
492 	user->stp_max_occupancy_timeout = 5;  in sci_oem_defaults()
493 	user->ssp_max_occupancy_timeout = 20;  in sci_oem_defaults()
494 	user->no_outbound_task_timeout = 2;  in sci_oem_defaults()
499 	struct isci_orom *orom = to_pci_info(pdev)->orom;  in isci_host_alloc()
506 	ihost = devm_kzalloc(&pdev->dev, sizeof(*ihost), GFP_KERNEL);  in isci_host_alloc()
510 	ihost->pdev = pdev;  in isci_host_alloc()
511 	ihost->id = id;  in isci_host_alloc()
512 	spin_lock_init(&ihost->scic_lock);  in isci_host_alloc()
513 	init_waitqueue_head(&ihost->eventq);  in isci_host_alloc()
514 	ihost->sas_ha.dev = &ihost->pdev->dev;  in isci_host_alloc()
515 	ihost->sas_ha.lldd_ha = ihost;  in isci_host_alloc()
516 	tasklet_init(&ihost->completion_tasklet,  in isci_host_alloc()
524 		dev_warn(&pdev->dev,  in isci_host_alloc()
531 		if (id < 0 || id >= SCI_MAX_CONTROLLERS || id > orom->hdr.num_elements) {  in isci_host_alloc()
532 			dev_warn(&pdev->dev, "parsing firmware oem parameters failed\n");  in isci_host_alloc()
535 		ihost->oem_parameters = orom->ctrl[id];  in isci_host_alloc()
536 		oem_version = orom->hdr.version;  in isci_host_alloc()
539 	/* validate oem parameters (platform, firmware, or built-in defaults) */  in isci_host_alloc()
540 	if (sci_oem_parameters_validate(&ihost->oem_parameters, oem_version)) {  in isci_host_alloc()
541 		dev_warn(&pdev->dev, "oem parameter validation failed\n");  in isci_host_alloc()
546 		struct isci_port *iport = &ihost->ports[i];  in isci_host_alloc()
548 		INIT_LIST_HEAD(&iport->remote_dev_list);  in isci_host_alloc()
549 		iport->isci_host = ihost;  in isci_host_alloc()
553 		isci_phy_init(&ihost->phys[i], ihost, i);  in isci_host_alloc()
556 		struct isci_remote_device *idev = &ihost->devices[i];  in isci_host_alloc()
558 		INIT_LIST_HEAD(&idev->node);  in isci_host_alloc()
565 	dev_info(&pdev->dev, "%sSCU controller %d: phy 3-0 cables: "  in isci_host_alloc()
567 		 (is_cable_select_overridden() ? "* " : ""), ihost->id,  in isci_host_alloc()
577 	SHOST_TO_SAS_HA(shost) = &ihost->sas_ha;  in isci_host_alloc()
578 	ihost->sas_ha.core.shost = shost;  in isci_host_alloc()
579 	shost->transportt = isci_transport_template;  in isci_host_alloc()
581 	shost->max_id = ~0;  in isci_host_alloc()
582 	shost->max_lun = ~0;  in isci_host_alloc()
583 	shost->max_cmd_len = MAX_COMMAND_SIZE;  in isci_host_alloc()
592 	err = scsi_add_host(shost, &pdev->dev);  in isci_host_alloc()
619 	dev_info(&pdev->dev, "driver configured for rev: %d silicon\n",  in isci_pci_probe()
620 		 pdev->revision);  in isci_pci_probe()
622 	pci_info = devm_kzalloc(&pdev->dev, sizeof(*pci_info), GFP_KERNEL);  in isci_pci_probe()
624 		return -ENOMEM;  in isci_pci_probe()
634 		if (sci_oem_parameters_validate(&orom->ctrl[i],  in isci_pci_probe()
635 						orom->hdr.version)) {  in isci_pci_probe()
636 			dev_warn(&pdev->dev,  in isci_pci_probe()
650 			dev_warn(&pdev->dev,  in isci_pci_probe()
653 			dev_warn(&pdev->dev,  in isci_pci_probe()
660 		dev_info(&pdev->dev,  in isci_pci_probe()
662 			 (orom->hdr.version & 0xf0) >> 4,  in isci_pci_probe()
663 			 (orom->hdr.version & 0xf), source);  in isci_pci_probe()
665 	pci_info->orom = orom;  in isci_pci_probe()
675 			err = -ENOMEM;  in isci_pci_probe()
678 		pci_info->hosts[i] = h;  in isci_pci_probe()
716 		sas_suspend_ha(&ihost->sas_ha);  in isci_suspend()
730 		sas_prep_resume_ha(&ihost->sas_ha);  in isci_resume()
733 		isci_host_start(ihost->sas_ha.core.shost);  in isci_resume()
736 		sas_resume_ha(&ihost->sas_ha);  in isci_resume()
757 	pr_info("%s: Intel(R) C600 SAS Controller Driver - version %s\n",  in isci_init()
762 		return -ENOMEM;  in isci_init()