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.
49  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
93 		return -1;  in sci_sas_address_compare()
94 	} else if (address_one.low > address_two.low) {  in sci_sas_address_compare()
96 	} else if (address_one.low < address_two.low) {  in sci_sas_address_compare()
97 		return -1;  in sci_sas_address_compare()
133 	for (i = 0; i < ihost->logical_port_entries; i++) {  in sci_port_configuration_agent_find_port()
134 		struct isci_port *iport = &ihost->ports[i];  in sci_port_configuration_agent_find_port()
154  * -> (PE0), (PE0, PE1), (PE0, PE1, PE2, PE3) LP1 -> (PE1) LP2 -> (PE2), (PE2,
155  * PE3) LP3 -> (PE3) enum sci_status SCI_SUCCESS the port configuration is valid for
169 	if (port_agent->phy_valid_port_range[0].max_index != 0 ||  in sci_port_configuration_agent_validate_ports()
170 	    port_agent->phy_valid_port_range[1].max_index != 1 ||  in sci_port_configuration_agent_validate_ports()
171 	    port_agent->phy_valid_port_range[2].max_index != 2 ||  in sci_port_configuration_agent_validate_ports()
172 	    port_agent->phy_valid_port_range[3].max_index != 3)  in sci_port_configuration_agent_validate_ports()
178 	if (port_agent->phy_valid_port_range[0].min_index == 0 &&  in sci_port_configuration_agent_validate_ports()
179 	    port_agent->phy_valid_port_range[1].min_index == 0 &&  in sci_port_configuration_agent_validate_ports()
180 	    port_agent->phy_valid_port_range[2].min_index == 0 &&  in sci_port_configuration_agent_validate_ports()
181 	    port_agent->phy_valid_port_range[3].min_index == 0)  in sci_port_configuration_agent_validate_ports()
189 	if (port_agent->phy_valid_port_range[2].min_index == 1) {  in sci_port_configuration_agent_validate_ports()
197 	sci_phy_get_sas_address(&ihost->phys[0], &first_address);  in sci_port_configuration_agent_validate_ports()
198 	sci_phy_get_sas_address(&ihost->phys[3], &second_address);  in sci_port_configuration_agent_validate_ports()
208 	if (port_agent->phy_valid_port_range[0].min_index == 0 &&  in sci_port_configuration_agent_validate_ports()
209 	    port_agent->phy_valid_port_range[1].min_index == 1) {  in sci_port_configuration_agent_validate_ports()
210 		sci_phy_get_sas_address(&ihost->phys[0], &first_address);  in sci_port_configuration_agent_validate_ports()
211 		sci_phy_get_sas_address(&ihost->phys[2], &second_address);  in sci_port_configuration_agent_validate_ports()
222 	if (port_agent->phy_valid_port_range[2].min_index == 2 &&  in sci_port_configuration_agent_validate_ports()
223 	    port_agent->phy_valid_port_range[3].min_index == 3) {  in sci_port_configuration_agent_validate_ports()
224 		sci_phy_get_sas_address(&ihost->phys[1], &first_address);  in sci_port_configuration_agent_validate_ports()
225 		sci_phy_get_sas_address(&ihost->phys[3], &second_address);  in sci_port_configuration_agent_validate_ports()
254 	sas_address.low = 0;  in sci_mpc_agent_validate_phy_configuration()
257 		phy_mask = ihost->oem_parameters.ports[port_index].phy_mask;  in sci_mpc_agent_validate_phy_configuration()
272 			sci_phy_get_sas_address(&ihost->phys[phy_index],  in sci_mpc_agent_validate_phy_configuration()
279 			port_agent->phy_valid_port_range[phy_index].min_index = port_index;  in sci_mpc_agent_validate_phy_configuration()
280 			port_agent->phy_valid_port_range[phy_index].max_index = phy_index;  in sci_mpc_agent_validate_phy_configuration()
297 			sci_phy_get_sas_address(&ihost->phys[phy_index],  in sci_mpc_agent_validate_phy_configuration()
307 			port_agent->phy_valid_port_range[phy_index].min_index = port_index;  in sci_mpc_agent_validate_phy_configuration()
308 			port_agent->phy_valid_port_range[phy_index].max_index = phy_index;  in sci_mpc_agent_validate_phy_configuration()
310 			sci_port_add_phy(&ihost->ports[port_index],  in sci_mpc_agent_validate_phy_configuration()
311 					      &ihost->phys[phy_index]);  in sci_mpc_agent_validate_phy_configuration()
333 	spin_lock_irqsave(&ihost->scic_lock, flags);  in mpc_agent_timeout()
335 	if (tmr->cancel)  in mpc_agent_timeout()
338 	port_agent->timer_pending = false;  in mpc_agent_timeout()
341 	configure_phy_mask = ~port_agent->phy_configured_mask & port_agent->phy_ready_mask;  in mpc_agent_timeout()
344 		struct isci_phy *iphy = &ihost->phys[index];  in mpc_agent_timeout()
347 			port_agent->link_up_handler(ihost, port_agent,  in mpc_agent_timeout()
354 	spin_unlock_irqrestore(&ihost->scic_lock, flags);  in mpc_agent_timeout()
369 	port_agent->phy_ready_mask |= (1 << iphy->phy_index);  in sci_mpc_agent_link_up()
371 	if ((iport->active_phy_mask & (1 << iphy->phy_index)))  in sci_mpc_agent_link_up()
372 		port_agent->phy_configured_mask |= (1 << iphy->phy_index);  in sci_mpc_agent_link_up()
377  * @ihost: This is the controller object that receives the link down
385  * @iphy: This is the phy object which has gone link down.
387  * This function handles the manual port configuration link down notifications.
389  * around and notifiy the port object of the link down event.  If this PHY is
391  * link down notification from a phy that has no assocoated port?
407 		port_agent->phy_ready_mask &= ~(1 << iphy->phy_index);  in sci_mpc_agent_link_down()
408 		port_agent->phy_configured_mask &= ~(1 << iphy->phy_index);  in sci_mpc_agent_link_down()
416 		if ((port_agent->phy_configured_mask == 0x0000) &&  in sci_mpc_agent_link_down()
417 		    (port_agent->phy_ready_mask != 0x0000) &&  in sci_mpc_agent_link_down()
418 		    !port_agent->timer_pending) {  in sci_mpc_agent_link_down()
419 			port_agent->timer_pending = true;  in sci_mpc_agent_link_down()
421 			sci_mod_timer(&port_agent->timer,  in sci_mpc_agent_link_down()
447 		sci_phy_get_sas_address(&ihost->phys[phy_index],  in sci_apc_agent_validate_phy_configuration()
451 			sci_phy_get_sas_address(&ihost->phys[phy_index],  in sci_apc_agent_validate_phy_configuration()
456 				port_agent->phy_valid_port_range[phy_index].min_index = port_index;  in sci_apc_agent_validate_phy_configuration()
457 				port_agent->phy_valid_port_range[phy_index].max_index = phy_index;  in sci_apc_agent_validate_phy_configuration()
459 				port_agent->phy_valid_port_range[phy_index].min_index = phy_index;  in sci_apc_agent_validate_phy_configuration()
460 				port_agent->phy_valid_port_range[phy_index].max_index = phy_index;  in sci_apc_agent_validate_phy_configuration()
471  * timer for the next time period. This could be caused by either a link
472  * down event or a link up event where we can not yet tell to which a phy
478 	port_agent->timer_pending = true;  in sci_apc_agent_start_timer()
479 	sci_mod_timer(&port_agent->timer, timeout);  in sci_apc_agent_start_timer()
495 		if (sci_port_is_valid_phy_assignment(iport, iphy->phy_index))  in sci_apc_agent_configure_ports()
506 		for (port_index = port_agent->phy_valid_port_range[iphy->phy_index].min_index;  in sci_apc_agent_configure_ports()
507 		     port_index <= port_agent->phy_valid_port_range[iphy->phy_index].max_index;  in sci_apc_agent_configure_ports()
510 			iport = &ihost->ports[port_index];  in sci_apc_agent_configure_ports()
513 			if (sci_port_is_valid_phy_assignment(iport, iphy->phy_index)) {  in sci_apc_agent_configure_ports()
516 				 * PHY that has gone link up.  This phy can not be part of any  in sci_apc_agent_configure_ports()
518 				if (iport->active_phy_mask > (1 << iphy->phy_index)) {  in sci_apc_agent_configure_ports()
527 				if (iport->physical_port_index == iphy->phy_index) {  in sci_apc_agent_configure_ports()
544 				if (iport->active_phy_mask == 0) {  in sci_apc_agent_configure_ports()
547 			} else if (iport->active_phy_mask != 0) {  in sci_apc_agent_configure_ports()
576 			port_agent->phy_configured_mask |= (1 << iphy->phy_index);  in sci_apc_agent_configure_ports()
593  * sci_apc_agent_link_up - handle apc link up events
594  * @ihost: This is the controller object that receives the link up
599  * @iphy: This is the phy object which has gone link up.
601  * This method handles the automatic port configuration for link up
602  * notifications. Is it possible to get a link down notification from a phy
610 	u8 phy_index  = iphy->phy_index;  in sci_apc_agent_link_up()
614 		port_agent->phy_ready_mask |= 1 << phy_index;  in sci_apc_agent_link_up()
619 		port_agent->phy_ready_mask |= 1 << phy_index;  in sci_apc_agent_link_up()
626  * @ihost: This is the controller object that receives the link down
631  * @iphy: This is the phy object which has gone link down.
633  * This method handles the automatic port configuration link down
635  * possible to get a link down notification from a phy that has no assocoated
644 	port_agent->phy_ready_mask &= ~(1 << iphy->phy_index);  in sci_apc_agent_link_down()
648 	if (port_agent->phy_configured_mask & (1 << iphy->phy_index)) {  in sci_apc_agent_link_down()
654 			port_agent->phy_configured_mask &= ~(1 << iphy->phy_index);  in sci_apc_agent_link_down()
671 	spin_lock_irqsave(&ihost->scic_lock, flags);  in apc_agent_timeout()
673 	if (tmr->cancel)  in apc_agent_timeout()
676 	port_agent->timer_pending = false;  in apc_agent_timeout()
678 	configure_phy_mask = ~port_agent->phy_configured_mask & port_agent->phy_ready_mask;  in apc_agent_timeout()
688 						   &ihost->phys[index], false);  in apc_agent_timeout()
695 	spin_unlock_irqrestore(&ihost->scic_lock, flags);  in apc_agent_timeout()
713 	port_agent->phy_configured_mask = 0x00;  in sci_port_configuration_agent_construct()
714 	port_agent->phy_ready_mask = 0x00;  in sci_port_configuration_agent_construct()
716 	port_agent->link_up_handler = NULL;  in sci_port_configuration_agent_construct()
717 	port_agent->link_down_handler = NULL;  in sci_port_configuration_agent_construct()
719 	port_agent->timer_pending = false;  in sci_port_configuration_agent_construct()
722 		port_agent->phy_valid_port_range[index].min_index = 0;  in sci_port_configuration_agent_construct()
723 		port_agent->phy_valid_port_range[index].max_index = 0;  in sci_port_configuration_agent_construct()
729 	return ihost->port_agent.link_up_handler == sci_apc_agent_link_up;  in is_port_config_apc()
739 	mode = ihost->oem_parameters.controller.mode_type;  in sci_port_configuration_agent_initialize()
745 		port_agent->link_up_handler = sci_mpc_agent_link_up;  in sci_port_configuration_agent_initialize()
746 		port_agent->link_down_handler = sci_mpc_agent_link_down;  in sci_port_configuration_agent_initialize()
748 		sci_init_timer(&port_agent->timer, mpc_agent_timeout);  in sci_port_configuration_agent_initialize()
753 		port_agent->link_up_handler = sci_apc_agent_link_up;  in sci_port_configuration_agent_initialize()
754 		port_agent->link_down_handler = sci_apc_agent_link_down;  in sci_port_configuration_agent_initialize()
756 		sci_init_timer(&port_agent->timer, apc_agent_timeout);  in sci_port_configuration_agent_initialize()