diff options
Diffstat (limited to 'drivers/scsi/isci')
| -rw-r--r-- | drivers/scsi/isci/host.c | 92 | ||||
| -rw-r--r-- | drivers/scsi/isci/host.h | 17 | ||||
| -rw-r--r-- | drivers/scsi/isci/phy.c | 479 | ||||
| -rw-r--r-- | drivers/scsi/isci/phy.h | 112 | ||||
| -rw-r--r-- | drivers/scsi/isci/port.c | 299 | ||||
| -rw-r--r-- | drivers/scsi/isci/port.h | 16 | ||||
| -rw-r--r-- | drivers/scsi/isci/port_config.c | 135 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_device.c | 2 |
8 files changed, 500 insertions, 652 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index d91cd6d8274..c5c2733a519 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -311,7 +311,7 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc struct isci_host *ihost = scic_to_ihost(scic); struct scu_unsolicited_frame_header *frame_header; - struct scic_sds_phy *phy; + struct isci_phy *iphy; struct scic_sds_remote_device *device; enum sci_status result = SCI_FAILURE; @@ -332,8 +332,8 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc if (frame_header->is_address_frame) { index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry); - phy = &ihost->phys[index].sci; - result = scic_sds_phy_frame_handler(phy, frame_index); + iphy = &ihost->phys[index]; + result = scic_sds_phy_frame_handler(iphy, frame_index); } else { index = SCU_GET_COMPLETION_INDEX(completion_entry); @@ -344,8 +344,8 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc * device that has not yet been created. In either case forwared * the frame to the PE and let it take care of the frame data. */ index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry); - phy = &ihost->phys[index].sci; - result = scic_sds_phy_frame_handler(phy, frame_index); + iphy = &ihost->phys[index]; + result = scic_sds_phy_frame_handler(iphy, frame_index); } else { if (index < scic->remote_node_entries) device = scic->device_table[index]; @@ -372,7 +372,7 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci struct isci_host *ihost = scic_to_ihost(scic); struct scic_sds_remote_device *device; struct isci_request *ireq; - struct scic_sds_phy *phy; + struct isci_phy *iphy; u32 index; index = SCU_GET_COMPLETION_INDEX(completion_entry); @@ -452,8 +452,8 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci * we get the event notification. This is a type 4 event. */ case SCU_EVENT_TYPE_OSSP_EVENT: index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry); - phy = &ihost->phys[index].sci; - scic_sds_phy_event_handler(phy, completion_entry); + iphy = &ihost->phys[index]; + scic_sds_phy_event_handler(iphy, completion_entry); break; case SCU_EVENT_TYPE_RNC_SUSPEND_TX: @@ -862,11 +862,11 @@ static void scic_sds_controller_transition_to_ready( } } -static bool is_phy_starting(struct scic_sds_phy *sci_phy) +static bool is_phy_starting(struct isci_phy *iphy) { enum scic_sds_phy_states state; - state = sci_phy->sm.current_state_id; + state = iphy->sm.current_state_id; switch (state) { case SCI_PHY_STARTING: case SCI_PHY_SUB_INITIAL: @@ -896,7 +896,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro { struct isci_host *ihost = scic_to_ihost(scic); struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1; - struct scic_sds_phy *sci_phy; + struct isci_phy *iphy; enum sci_status status; status = SCI_SUCCESS; @@ -910,10 +910,10 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro u8 index; for (index = 0; index < SCI_MAX_PHYS; index++) { - sci_phy = &ihost->phys[index].sci; - state = sci_phy->sm.current_state_id; + iphy = &ihost->phys[index]; + state = iphy->sm.current_state_id; - if (!phy_get_non_dummy_port(sci_phy)) + if (!phy_get_non_dummy_port(iphy)) continue; /* The controller start operation is complete iff: @@ -922,9 +922,9 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro * - have an indication of a connected device and it has * finished the link training process. */ - if ((sci_phy->is_in_link_training == false && state == SCI_PHY_INITIAL) || - (sci_phy->is_in_link_training == false && state == SCI_PHY_STOPPED) || - (sci_phy->is_in_link_training == true && is_phy_starting(sci_phy))) { + if ((iphy->is_in_link_training == false && state == SCI_PHY_INITIAL) || + (iphy->is_in_link_training == false && state == SCI_PHY_STOPPED) || + (iphy->is_in_link_training == true && is_phy_starting(iphy))) { is_controller_start_complete = false; break; } @@ -939,10 +939,10 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro scic->phy_startup_timer_pending = false; } } else { - sci_phy = &ihost->phys[scic->next_phy_to_start].sci; + iphy = &ihost->phys[scic->next_phy_to_start]; if (oem->controller.mode_type == SCIC_PORT_MANUAL_CONFIGURATION_MODE) { - if (phy_get_non_dummy_port(sci_phy) == NULL) { + if (phy_get_non_dummy_port(iphy) == NULL) { scic->next_phy_to_start++; /* Caution recursion ahead be forwarned @@ -958,7 +958,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro } } - status = scic_sds_phy_start(sci_phy); + status = scic_sds_phy_start(iphy); if (status == SCI_SUCCESS) { sci_mod_timer(&scic->phy_timer, @@ -970,7 +970,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro "to stop phy %d because of status " "%d.\n", __func__, - ihost->phys[scic->next_phy_to_start].sci.phy_index, + ihost->phys[scic->next_phy_to_start].phy_index, status); } @@ -1312,8 +1312,8 @@ void isci_host_deinit(struct isci_host *ihost) /* Cancel any/all outstanding phy timers */ for (i = 0; i < SCI_MAX_PHYS; i++) { - struct scic_sds_phy *sci_phy = &ihost->phys[i].sci; - del_timer_sync(&sci_phy->sata_timer.timer); + struct isci_phy *iphy = &ihost->phys[i]; + del_timer_sync(&iphy->sata_timer.timer); } del_timer_sync(&ihost->sci.port_agent.timer.timer); @@ -1527,7 +1527,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller status = SCI_SUCCESS; for (index = 0; index < SCI_MAX_PHYS; index++) { - phy_status = scic_sds_phy_stop(&ihost->phys[index].sci); + phy_status = scic_sds_phy_stop(&ihost->phys[index]); if (phy_status != SCI_SUCCESS && phy_status != SCI_FAILURE_INVALID_STATE) { @@ -1537,7 +1537,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller "%s: Controller stop operation failed to stop " "phy %d because of status %d.\n", __func__, - ihost->phys[index].sci.phy_index, phy_status); + ihost->phys[index].phy_index, phy_status); } } @@ -1786,7 +1786,7 @@ static enum sci_status scic_controller_construct(struct scic_sds_controller *sci /* Construct the phys for this controller */ for (i = 0; i < SCI_MAX_PHYS; i++) { /* Add all the PHYs to the dummy port */ - scic_sds_phy_construct(&ihost->phys[i].sci, + scic_sds_phy_construct(&ihost->phys[i], &ihost->ports[SCI_MAX_PORTS].sci, i); } @@ -1865,7 +1865,7 @@ static void power_control_timeout(unsigned long data) struct sci_timer *tmr = (struct sci_timer *)data; struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), power_control.timer); struct isci_host *ihost = scic_to_ihost(scic); - struct scic_sds_phy *sci_phy; + struct isci_phy *iphy; unsigned long flags; u8 i; @@ -1886,8 +1886,8 @@ static void power_control_timeout(unsigned long data) if (scic->power_control.phys_waiting == 0) break; - sci_phy = scic->power_control.requesters[i]; - if (sci_phy == NULL) + iphy = scic->power_control.requesters[i]; + if (iphy == NULL) continue; if (scic->power_control.phys_granted_power >= @@ -1897,7 +1897,7 @@ static void power_control_timeout(unsigned long data) scic->power_control.requesters[i] = NULL; scic->power_control.phys_waiting--; scic->power_control.phys_granted_power++; - scic_sds_phy_consume_power_handler(sci_phy); + scic_sds_phy_consume_power_handler(iphy); } /* @@ -1919,14 +1919,14 @@ done: */ void scic_sds_controller_power_control_queue_insert( struct scic_sds_controller *scic, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { - BUG_ON(sci_phy == NULL); + BUG_ON(iphy == NULL); if (scic->power_control.phys_granted_power < scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) { scic->power_control.phys_granted_power++; - scic_sds_phy_consume_power_handler(sci_phy); + scic_sds_phy_consume_power_handler(iphy); /* * stop and start the power_control timer. When the timer fires, the @@ -1941,7 +1941,7 @@ void scic_sds_controller_power_control_queue_insert( } else { /* Add the phy in the waiting list */ - scic->power_control.requesters[sci_phy->phy_index] = sci_phy; + scic->power_control.requesters[iphy->phy_index] = iphy; scic->power_control.phys_waiting++; } } @@ -1954,15 +1954,15 @@ void scic_sds_controller_power_control_queue_insert( */ void scic_sds_controller_power_control_queue_remove( struct scic_sds_controller *scic, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { - BUG_ON(sci_phy == NULL); + BUG_ON(iphy == NULL); - if (scic->power_control.requesters[sci_phy->phy_index] != NULL) { + if (scic->power_control.requesters[iphy->phy_index] != NULL) { scic->power_control.phys_waiting--; } - scic->power_control.requesters[sci_phy->phy_index] = NULL; + scic->power_control.requesters[iphy->phy_index] = NULL; } #define AFE_REGISTER_WRITE_DELAY 10 @@ -2225,7 +2225,7 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc * are accessed during the port initialization. */ for (i = 0; i < SCI_MAX_PHYS; i++) { - result = scic_sds_phy_initialize(&ihost->phys[i].sci, + result = scic_sds_phy_initialize(&ihost->phys[i], &scic->scu_registers->peg0.pe[i].tl, &scic->scu_registers->peg0.pe[i].ll); if (result != SCI_SUCCESS) @@ -2484,43 +2484,43 @@ int isci_host_init(struct isci_host *isci_host) } void scic_sds_controller_link_up(struct scic_sds_controller *scic, - struct scic_sds_port *port, struct scic_sds_phy *phy) + struct scic_sds_port *port, struct isci_phy *iphy) { switch (scic->sm.current_state_id) { case SCIC_STARTING: sci_del_timer(&scic->phy_timer); scic->phy_startup_timer_pending = false; scic->port_agent.link_up_handler(scic, &scic->port_agent, - port, phy); + port, iphy); scic_sds_controller_start_next_phy(scic); break; case SCIC_READY: scic->port_agent.link_up_handler(scic, &scic->port_agent, - port, phy); + port, iphy); break; default: dev_dbg(scic_to_dev(scic), "%s: SCIC Controller linkup event from phy %d in " - "unexpected state %d\n", __func__, phy->phy_index, + "unexpected state %d\n", __func__, iphy->phy_index, scic->sm.current_state_id); } } void scic_sds_controller_link_down(struct scic_sds_controller *scic, - struct scic_sds_port *port, struct scic_sds_phy *phy) + struct scic_sds_port *port, struct isci_phy *iphy) { switch (scic->sm.current_state_id) { case SCIC_STARTING: case SCIC_READY: scic->port_agent.link_down_handler(scic, &scic->port_agent, - port, phy); + port, iphy); break; default: dev_dbg(scic_to_dev(scic), "%s: SCIC Controller linkdown event from phy %d in " "unexpected state %d\n", __func__, - phy->phy_index, + iphy->phy_index, scic->sm.current_state_id); } } diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 0b26d25c19a..1edd13535c2 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -101,14 +101,14 @@ struct scic_power_control { * This field is an array of phys that we are waiting on. The phys are direct * mapped into requesters via struct scic_sds_phy.phy_index */ - struct scic_sds_phy *requesters[SCI_MAX_PHYS]; + struct isci_phy *requesters[SCI_MAX_PHYS]; }; struct scic_sds_port_configuration_agent; typedef void (*port_config_fn)(struct scic_sds_controller *, struct scic_sds_port_configuration_agent *, - struct scic_sds_port *, struct scic_sds_phy *); + struct scic_sds_port *, struct isci_phy *); struct scic_sds_port_configuration_agent { u16 phy_configured_mask; @@ -523,9 +523,8 @@ static inline struct device *scic_to_dev(struct scic_sds_controller *scic) return &scic_to_ihost(scic)->pdev->dev; } -static inline struct device *sciphy_to_dev(struct scic_sds_phy *sci_phy) +static inline struct device *sciphy_to_dev(struct isci_phy *iphy) { - struct isci_phy *iphy = sci_phy_to_iphy(sci_phy); if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host) return NULL; @@ -606,21 +605,21 @@ struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, void scic_sds_controller_power_control_queue_insert( struct scic_sds_controller *scic, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); void scic_sds_controller_power_control_queue_remove( struct scic_sds_controller *scic, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); void scic_sds_controller_link_up( struct scic_sds_controller *scic, struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); void scic_sds_controller_link_down( struct scic_sds_controller *scic, struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); void scic_sds_controller_remote_device_stopped( struct scic_sds_controller *scic, @@ -651,7 +650,7 @@ void isci_host_deinit( void isci_host_port_link_up( struct isci_host *, struct scic_sds_port *, - struct scic_sds_phy *); + struct isci_phy *); int isci_host_dev_found(struct domain_device *); void isci_host_remote_device_start_complete( diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index 98d93aeea75..0e60fb7bc1a 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -62,9 +62,9 @@ /* Maximum arbitration wait time in micro-seconds */ #define SCIC_SDS_PHY_MAX_ARBITRATION_WAIT_TIME (700) -enum sas_linkrate sci_phy_linkrate(struct scic_sds_phy *sci_phy) +enum sas_linkrate sci_phy_linkrate(struct isci_phy *iphy) { - return sci_phy->max_negotiated_speed; + return iphy->max_negotiated_speed; } /* @@ -80,23 +80,23 @@ enum sas_linkrate sci_phy_linkrate(struct scic_sds_phy *sci_phy) * enum sci_status */ static enum sci_status scic_sds_phy_transport_layer_initialization( - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, struct scu_transport_layer_registers __iomem *transport_layer_registers) { u32 tl_control; - sci_phy->transport_layer_registers = transport_layer_registers; + iphy->transport_layer_registers = transport_layer_registers; writel(SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX, - &sci_phy->transport_layer_registers->stp_rni); + &iphy->transport_layer_registers->stp_rni); /* * Hardware team recommends that we enable the STP prefetch for all * transports */ - tl_control = readl(&sci_phy->transport_layer_registers->control); + tl_control = readl(&iphy->transport_layer_registers->control); tl_control |= SCU_TLCR_GEN_BIT(STP_WRITE_DATA_PREFETCH); - writel(tl_control, &sci_phy->transport_layer_registers->control); + writel(tl_control, &iphy->transport_layer_registers->control); return SCI_SUCCESS; } @@ -109,12 +109,12 @@ static enum sci_status scic_sds_phy_transport_layer_initialization( * enum sci_status */ static enum sci_status -scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, +scic_sds_phy_link_layer_initialization(struct isci_phy *iphy, struct scu_link_layer_registers __iomem *link_layer_registers) { struct scic_sds_controller *scic = - sci_phy->owning_port->owning_controller; - int phy_idx = sci_phy->phy_index; + iphy->owning_port->owning_controller; + int phy_idx = iphy->phy_index; struct sci_phy_user_params *phy_user = &scic->user_parameters.sds1.phys[phy_idx]; struct sci_phy_oem_params *phy_oem = @@ -126,7 +126,7 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, u32 llctl, link_rate; u32 clksm_value = 0; - sci_phy->link_layer_registers = link_layer_registers; + iphy->link_layer_registers = link_layer_registers; /* Set our IDENTIFY frame data */ #define SCI_END_DEVICE 0x01 @@ -136,32 +136,32 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, SCU_SAS_TIID_GEN_BIT(STP_INITIATOR) | SCU_SAS_TIID_GEN_BIT(DA_SATA_HOST) | SCU_SAS_TIID_GEN_VAL(DEVICE_TYPE, SCI_END_DEVICE), - &sci_phy->link_layer_registers->transmit_identification); + &iphy->link_layer_registers->transmit_identification); /* Write the device SAS Address */ writel(0xFEDCBA98, - &sci_phy->link_layer_registers->sas_device_name_high); - writel(phy_idx, &sci_phy->link_layer_registers->sas_device_name_low); + &iphy->link_layer_registers->sas_device_name_high); + writel(phy_idx, &iphy->link_layer_registers->sas_device_name_low); /* Write the source SAS Address */ writel(phy_oem->sas_address.high, - &sci_phy->link_layer_registers->source_sas_address_high); + &iphy->link_layer_registers->source_sas_address_high); writel(phy_oem->sas_address.low, - &sci_phy->link_layer_registers->source_sas_address_low); + &iphy->link_layer_registers->source_sas_address_low); /* Clear and Set the PHY Identifier */ - writel(0, &sci_phy->link_layer_registers->identify_frame_phy_id); + writel(0, &iphy->link_layer_registers->identify_frame_phy_id); writel(SCU_SAS_TIPID_GEN_VALUE(ID, phy_idx), - &sci_phy->link_layer_registers->identify_frame_phy_id); + &iphy->link_layer_registers->identify_frame_phy_id); /* Change the initial state of the phy configuration register */ phy_configuration = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); /* Hold OOB state machine in reset */ phy_configuration |= SCU_SAS_PCFG_GEN_BIT(OOB_RESET); writel(phy_configuration, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); /* Configure the SNW capabilities */ phy_cap.all = 0; @@ -191,14 +191,14 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, if ((parity_count % 2) != 0) phy_cap.parity = 1; - writel(phy_cap.all, &sci_phy->link_layer_registers->phy_capabilities); + writel(phy_cap.all, &iphy->link_layer_registers->phy_capabilities); /* Set the enable spinup period but disable the ability to send * notify enable spinup */ writel(SCU_ENSPINUP_GEN_VAL(COUNT, phy_user->notify_enable_spin_up_insertion_frequency), - &sci_phy->link_layer_registers->notify_enable_spinup_control); + &iphy->link_layer_registers->notify_enable_spinup_control); /* Write the ALIGN Insertion Ferequency for connected phy and * inpendent of connected state @@ -209,11 +209,11 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, clksm_value |= SCU_ALIGN_INSERTION_FREQUENCY_GEN_VAL(GENERAL, phy_user->align_insertion_frequency); - writel(clksm_value, &sci_phy->link_layer_registers->clock_skew_management); + writel(clksm_value, &iphy->link_layer_registers->clock_skew_management); /* @todo Provide a way to write this register correctly */ writel(0x02108421, - &sci_phy->link_layer_registers->afe_lookup_table_control); + &iphy->link_layer_registers->afe_lookup_table_control); llctl = SCU_SAS_LLCTL_GEN_VAL(NO_OUTBOUND_TASK_TIMEOUT, (u8)scic->user_parameters.sds1.no_outbound_task_timeout); @@ -230,7 +230,7 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, break; } llctl |= SCU_SAS_LLCTL_GEN_VAL(MAX_LINK_RATE, link_rate); - writel(llctl, &sci_phy->link_layer_registers->link_layer_control); + writel(llctl, &iphy->link_layer_registers->link_layer_control); if (is_a0() || is_a2()) { /* Program the max ARB time for the PHY to 700us so we inter-operate with @@ -239,14 +239,14 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, * generate the break. */ writel(SCIC_SDS_PHY_MAX_ARBITRATION_WAIT_TIME, - &sci_phy->link_layer_registers->maximum_arbitration_wait_timer_timeout); + &iphy->link_layer_registers->maximum_arbitration_wait_timer_timeout); } /* Disable link layer hang detection, rely on the OS timeout for I/O timeouts. */ - writel(0, &sci_phy->link_layer_registers->link_layer_hang_detection_timeout); + writel(0, &iphy->link_layer_registers->link_layer_hang_detection_timeout); /* We can exit the initial state to the stopped state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STOPPED); + sci_change_state(&iphy->sm, SCI_PHY_STOPPED); return SCI_SUCCESS; } @@ -254,8 +254,8 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, static void phy_sata_timeout(unsigned long data) { struct sci_timer *tmr = (struct sci_timer *)data; - struct scic_sds_phy *sci_phy = container_of(tmr, typeof(*sci_phy), sata_timer); - struct isci_host *ihost = scic_to_ihost(sci_phy->owning_port->owning_controller); + struct isci_phy *iphy = container_of(tmr, typeof(*iphy), sata_timer); + struct isci_host *ihost = scic_to_ihost(iphy->owning_port->owning_controller); unsigned long flags; spin_lock_irqsave(&ihost->scic_lock, flags); @@ -263,13 +263,13 @@ static void phy_sata_timeout(unsigned long data) if (tmr->cancel) goto done; - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: SCIC SDS Phy 0x%p did not receive signature fis before " "timeout.\n", __func__, - sci_phy); + iphy); - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); done: spin_unlock_irqrestore(&ihost->scic_lock, flags); } @@ -287,30 +287,30 @@ done: * values indicate a handle/pointer to the port containing the phy. */ struct scic_sds_port *phy_get_non_dummy_port( - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { - if (scic_sds_port_get_index(sci_phy->owning_port) == SCIC_SDS_DUMMY_PORT) + if (scic_sds_port_get_index(iphy->owning_port) == SCIC_SDS_DUMMY_PORT) return NULL; - return sci_phy->owning_port; + return iphy->owning_port; } /** * This method will assign a port to the phy object. - * @out]: sci_phy This parameter specifies the phy for which to assign a port + * @out]: iphy This parameter specifies the phy for which to assign a port * object. * * */ void scic_sds_phy_set_port( - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, struct scic_sds_port *sci_port) { - sci_phy->owning_port = sci_port; + iphy->owning_port = sci_port; - if (sci_phy->bcn_received_while_port_unassigned) { - sci_phy->bcn_received_while_port_unassigned = false; - scic_sds_port_broadcast_change_received(sci_phy->owning_port, sci_phy); + if (iphy->bcn_received_while_port_unassigned) { + iphy->bcn_received_while_port_unassigned = false; + scic_sds_port_broadcast_change_received(iphy->owning_port, iphy); } } @@ -322,22 +322,22 @@ void scic_sds_phy_set_port( * enum sci_status */ enum sci_status scic_sds_phy_initialize( - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, struct scu_transport_layer_registers __iomem *transport_layer_registers, struct scu_link_layer_registers __iomem *link_layer_registers) { /* Perfrom the initialization of the TL hardware */ scic_sds_phy_transport_layer_initialization( - sci_phy, + iphy, transport_layer_registers); /* Perofrm the initialization of the PE hardware */ - scic_sds_phy_link_layer_initialization(sci_phy, link_layer_registers); + scic_sds_phy_link_layer_initialization(iphy, link_layer_registers); /* * There is nothing that needs to be done in this state just * transition to the stopped state. */ - sci_change_state(&sci_phy->sm, SCI_PHY_STOPPED); + sci_change_state(&iphy->sm, SCI_PHY_STOPPED); return SCI_SUCCESS; } @@ -345,27 +345,27 @@ enum sci_status scic_sds_phy_initialize( /** * This method assigns the direct attached device ID for this phy. * - * @sci_phy The phy for which the direct attached device id is to + * @iphy The phy for which the direct attached device id is to * be assigned. * @device_id The direct attached device ID to assign to the phy. * This will either be the RNi for the device or an invalid RNi if there * is no current device assigned to the phy. */ void scic_sds_phy_setup_transport( - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, u32 device_id) { u32 tl_control; - writel(device_id, &sci_phy->transport_layer_registers->stp_rni); + writel(device_id, &iphy->transport_layer_registers->stp_rni); /* * The read should guarantee that the first write gets posted * before the next write */ - tl_control = readl(&sci_phy->transport_layer_registers->control); + tl_control = readl(&iphy->transport_layer_registers->control); tl_control |= SCU_TLCR_GEN_BIT(CLEAR_TCI_NCQ_MAPPING_TABLE); - writel(tl_control, &sci_phy->transport_layer_registers->control); + writel(tl_control, &iphy->transport_layer_registers->control); } /** @@ -376,75 +376,74 @@ void scic_sds_phy_setup_transport( * hardware protocol engine. none */ static void scic_sds_phy_suspend( - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { u32 scu_sas_pcfg_value; scu_sas_pcfg_value = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(SUSPEND_PROTOCOL_ENGINE); writel(scu_sas_pcfg_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); scic_sds_phy_setup_transport( - sci_phy, + iphy, SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX); } -void scic_sds_phy_resume(struct scic_sds_phy *sci_phy) +void scic_sds_phy_resume(struct isci_phy *iphy) { u32 scu_sas_pcfg_value; scu_sas_pcfg_value = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); scu_sas_pcfg_value &= ~SCU_SAS_PCFG_GEN_BIT(SUSPEND_PROTOCOL_ENGINE); writel(scu_sas_pcfg_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); } -void scic_sds_phy_get_sas_address(struct scic_sds_phy *sci_phy, +void scic_sds_phy_get_sas_address(struct isci_phy *iphy, struct sci_sas_address *sas_address) { - sas_address->high = readl(&sci_phy->link_layer_registers->source_sas_address_high); - sas_address->low = readl(&sci_phy->link_layer_registers->source_sas_address_low); + sas_address->high = readl(&iphy->link_layer_registers->source_sas_address_high); + sas_address->low = readl(&iphy->link_layer_registers->source_sas_address_low); } -void scic_sds_phy_get_attached_sas_address(struct scic_sds_phy *sci_phy, +void scic_sds_phy_get_attached_sas_address(struct isci_phy *iphy, struct sci_sas_address *sas_address) { struct sas_identify_frame *iaf; - struct isci_phy *iphy = sci_phy_to_iphy(sci_phy); iaf = &iphy->frame_rcvd.iaf; memcpy(sas_address, iaf->sas_addr, SAS_ADDR_SIZE); } -void scic_sds_phy_get_protocols(struct scic_sds_phy *sci_phy, +void scic_sds_phy_get_protocols(struct isci_phy *iphy, struct scic_phy_proto *protocols) { protocols->all = - (u16)(readl(&sci_phy-> + (u16)(readl(&iphy-> link_layer_registers->transmit_identification) & 0x0000FFFF); } -enum sci_status scic_sds_phy_start(struct scic_sds_phy *sci_phy) +enum sci_status scic_sds_phy_start(struct isci_phy *iphy) { - enum scic_sds_phy_states state = sci_phy->sm.current_state_id; + enum scic_sds_phy_states state = iphy->sm.current_state_id; if (state != SCI_PHY_STOPPED) { - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); return SCI_SUCCESS; } -enum sci_status scic_sds_phy_stop(struct scic_sds_phy *sci_phy) +enum sci_status scic_sds_phy_stop(struct isci_phy *iphy) { - enum scic_sds_phy_states state = sci_phy->sm.current_state_id; + enum scic_sds_phy_states state = iphy->sm.current_state_id; switch (state) { case SCI_PHY_SUB_INITIAL: @@ -459,43 +458,43 @@ enum sci_status scic_sds_phy_stop(struct scic_sds_phy *sci_phy) case SCI_PHY_READY: break; default: - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - sci_change_state(&sci_phy->sm, SCI_PHY_STOPPED); + sci_change_state(&iphy->sm, SCI_PHY_STOPPED); return SCI_SUCCESS; } -enum sci_status scic_sds_phy_reset(struct scic_sds_phy *sci_phy) +enum sci_status scic_sds_phy_reset(struct isci_phy *iphy) { - enum scic_sds_phy_states state = sci_phy->sm.current_state_id; + enum scic_sds_phy_states state = iphy->sm.current_state_id; if (state != SCI_PHY_READY) { - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - sci_change_state(&sci_phy->sm, SCI_PHY_RESETTING); + sci_change_state(&iphy->sm, SCI_PHY_RESETTING); return SCI_SUCCESS; } -enum sci_status scic_sds_phy_consume_power_handler(struct scic_sds_phy *sci_phy) +enum sci_status scic_sds_phy_consume_power_handler(struct isci_phy *iphy) { - enum scic_sds_phy_states state = sci_phy->sm.current_state_id; + enum scic_sds_phy_states state = iphy->sm.current_state_id; switch (state) { case SCI_PHY_SUB_AWAIT_SAS_POWER: { u32 enable_spinup; - enable_spinup = readl(&sci_phy->link_layer_registers->notify_enable_spinup_control); + enable_spinup = readl(&iphy->link_layer_registers->notify_enable_spinup_control); enable_spinup |= SCU_ENSPINUP_GEN_BIT(ENABLE); - writel(enable_spinup, &sci_phy->link_layer_registers->notify_enable_spinup_control); + writel(enable_spinup, &iphy->link_layer_registers->notify_enable_spinup_control); /* Change state to the final state this substate machine has run to completion */ - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_FINAL); + sci_change_state(&iphy->sm, SCI_PHY_SUB_FINAL); return SCI_SUCCESS; } @@ -504,26 +503,26 @@ enum sci_status scic_sds_phy_consume_power_handler(struct scic_sds_phy *sci_phy) /* Release the spinup hold state and reset the OOB state machine */ scu_sas_pcfg_value = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); scu_sas_pcfg_value &= ~(SCU_SAS_PCFG_GEN_BIT(SATA_SPINUP_HOLD) | SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE)); scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(OOB_RESET); writel(scu_sas_pcfg_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); /* Now restart the OOB operation */ scu_sas_pcfg_value &= ~SCU_SAS_PCFG_GEN_BIT(OOB_RESET); scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE); writel(scu_sas_pcfg_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); /* Change state to the final state this substate machine has run to completion */ - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_PHY_EN); + sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_PHY_EN); return SCI_SUCCESS; } default: - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } @@ -545,19 +544,19 @@ enum sci_status scic_sds_phy_consume_power_handler(struct scic_sds_phy *sci_phy) * none */ static void scic_sds_phy_start_sas_link_training( - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { u32 phy_control; phy_control = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); phy_control |= SCU_SAS_PCFG_GEN_BIT(SATA_SPINUP_HOLD); writel(phy_control, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SAS_SPEED_EN); + sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SAS_SPEED_EN); - sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SAS; + iphy->protocol = SCIC_SDS_PHY_PROTOCOL_SAS; } /** @@ -569,11 +568,11 @@ static void scic_sds_phy_start_sas_link_training( * SPINUP HOLD event when the state machine was expecting a SAS PHY event. none */ static void scic_sds_phy_start_sata_link_training( - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_POWER); + sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_POWER); - sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA; + iphy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA; } /** @@ -588,33 +587,33 @@ static void scic_sds_phy_start_sata_link_training( * */ static void scic_sds_phy_complete_link_training( - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, enum sas_linkrate max_link_rate, u32 next_state) { - sci_phy->max_negotiated_speed = max_link_rate; + iphy->max_negotiated_speed = max_link_rate; - sci_change_state(&sci_phy->sm, next_state); + sci_change_state(&iphy->sm, next_state); } -enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, +enum sci_status scic_sds_phy_event_handler(struct isci_phy *iphy, u32 event_code) { - enum scic_sds_phy_states state = sci_phy->sm.current_state_id; + enum scic_sds_phy_states state = iphy->sm.current_state_id; switch (state) { case SCI_PHY_SUB_AWAIT_OSSP_EN: switch (scu_get_event_code(event_code)) { case SCU_EVENT_SAS_PHY_DETECTED: - scic_sds_phy_start_sas_link_training(sci_phy); - sci_phy->is_in_link_training = true; + scic_sds_phy_start_sas_link_training(iphy); + iphy->is_in_link_training = true; break; case SCU_EVENT_SATA_SPINUP_HOLD: - scic_sds_phy_start_sata_link_training(sci_phy); - sci_phy->is_in_link_training = true; + scic_sds_phy_start_sata_link_training(iphy); + iphy->is_in_link_training = true; break; default: - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, @@ -632,21 +631,21 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, case SCU_EVENT_SAS_15: case SCU_EVENT_SAS_15_SSC: scic_sds_phy_complete_link_training( - sci_phy, + iphy, SAS_LINK_RATE_1_5_GBPS, SCI_PHY_SUB_AWAIT_IAF_UF); break; case SCU_EVENT_SAS_30: case SCU_EVENT_SAS_30_SSC: scic_sds_phy_complete_link_training( - sci_phy, + iphy, SAS_LINK_RATE_3_0_GBPS, SCI_PHY_SUB_AWAIT_IAF_UF); break; case SCU_EVENT_SAS_60: case SCU_EVENT_SAS_60_SSC: scic_sds_phy_complete_link_training( - sci_phy, + iphy, SAS_LINK_RATE_6_0_GBPS, SCI_PHY_SUB_AWAIT_IAF_UF); break; @@ -654,14 +653,14 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, /* * We were doing SAS PHY link training and received a SATA PHY event * continue OOB/SN as if this were a SATA PHY */ - scic_sds_phy_start_sata_link_training(sci_phy); + scic_sds_phy_start_sata_link_training(iphy); break; case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, event_code); @@ -674,23 +673,23 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, switch (scu_get_event_code(event_code)) { case SCU_EVENT_SAS_PHY_DETECTED: /* Backup the state machine */ - scic_sds_phy_start_sas_link_training(sci_phy); + scic_sds_phy_start_sas_link_training(iphy); break; case SCU_EVENT_SATA_SPINUP_HOLD: /* We were doing SAS PHY link training and received a * SATA PHY event continue OOB/SN as if this were a * SATA PHY */ - scic_sds_phy_start_sata_link_training(sci_phy); + scic_sds_phy_start_sata_link_training(iphy); break; case SCU_EVENT_RECEIVED_IDENTIFY_TIMEOUT: case SCU_EVENT_LINK_FAILURE: case SCU_EVENT_HARD_RESET_RECEIVED: /* Start the oob/sn state machine over again */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, event_code); @@ -701,10 +700,10 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, switch (scu_get_event_code(event_code)) { case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received unexpected " "event_code %x\n", __func__, @@ -716,7 +715,7 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, switch (scu_get_event_code(event_code)) { case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; case SCU_EVENT_SATA_SPINUP_HOLD: /* These events are received every 10ms and are @@ -728,11 +727,11 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, /* There has been a change in the phy type before OOB/SN for the * SATA finished start down the SAS link traning path. */ - scic_sds_phy_start_sas_link_training(sci_phy); + scic_sds_phy_start_sas_link_training(iphy); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, event_code); @@ -744,7 +743,7 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, switch (scu_get_event_code(event_code)) { case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; case SCU_EVENT_SATA_SPINUP_HOLD: /* These events might be received since we dont know how many may be in @@ -752,19 +751,19 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, */ break; case SCU_EVENT_SATA_PHY_DETECTED: - sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA; + iphy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA; /* We have received the SATA PHY notification change state */ - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN); + sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN); break; case SCU_EVENT_SAS_PHY_DETECTED: /* There has been a change in the phy type before OOB/SN for the * SATA finished start down the SAS link traning path. */ - scic_sds_phy_start_sas_link_training(sci_phy); + scic_sds_phy_start_sas_link_training(iphy); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, @@ -783,36 +782,36 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, case SCU_EVENT_SATA_15: case SCU_EVENT_SATA_15_SSC: scic_sds_phy_complete_link_training( - sci_phy, + iphy, SAS_LINK_RATE_1_5_GBPS, SCI_PHY_SUB_AWAIT_SIG_FIS_UF); break; case SCU_EVENT_SATA_30: case SCU_EVENT_SATA_30_SSC: scic_sds_phy_complete_link_training( - sci_phy, + iphy, SAS_LINK_RATE_3_0_GBPS, SCI_PHY_SUB_AWAIT_SIG_FIS_UF); break; case SCU_EVENT_SATA_60: case SCU_EVENT_SATA_60_SSC: scic_sds_phy_complete_link_training( - sci_phy, + iphy, SAS_LINK_RATE_6_0_GBPS, SCI_PHY_SUB_AWAIT_SIG_FIS_UF); break; case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; case SCU_EVENT_SAS_PHY_DETECTED: /* * There has been a change in the phy type before OOB/SN for the * SATA finished start down the SAS link traning path. */ - scic_sds_phy_start_sas_link_training(sci_phy); + scic_sds_phy_start_sas_link_training(iphy); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, event_code); @@ -825,16 +824,16 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, switch (scu_get_event_code(event_code)) { case SCU_EVENT_SATA_PHY_DETECTED: /* Backup the state machine */ - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN); + sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_SATA_SPEED_EN); break; case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, @@ -847,20 +846,20 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, switch (scu_get_event_code(event_code)) { case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; case SCU_EVENT_BROADCAST_CHANGE: /* Broadcast change received. Notify the port. */ - if (phy_get_non_dummy_port(sci_phy) != NULL) - scic_sds_port_broadcast_change_received(sci_phy->owning_port, sci_phy); + if (phy_get_non_dummy_port(iphy) != NULL) + scic_sds_port_broadcast_change_received(iphy->owning_port, iphy); else - sci_phy->bcn_received_while_port_unassigned = true; + iphy->bcn_received_while_port_unassigned = true; break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%sP SCIC PHY 0x%p ready state machine received " "unexpected event_code %x\n", - __func__, sci_phy, event_code); + __func__, iphy, event_code); return SCI_FAILURE_INVALID_STATE; } return SCI_SUCCESS; @@ -868,30 +867,30 @@ enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, switch (scu_get_event_code(event_code)) { case SCU_EVENT_HARD_RESET_TRANSMITTED: /* Link failure change state back to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: SCIC PHY 0x%p resetting state machine received " "unexpected event_code %x\n", - __func__, sci_phy, event_code); + __func__, iphy, event_code); return SCI_FAILURE_INVALID_STATE; break; } return SCI_SUCCESS; default: - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } } -enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, +enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy, u32 frame_index) { - enum scic_sds_phy_states state = sci_phy->sm.current_state_id; - struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; + enum scic_sds_phy_states state = iphy->sm.current_state_id; + struct scic_sds_controller *scic = iphy->owning_port->owning_controller; enum sci_status result; unsigned long flags; @@ -899,7 +898,6 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, case SCI_PHY_SUB_AWAIT_IAF_UF: { u32 *frame_words; struct sas_identify_frame iaf; - struct isci_phy *iphy = sci_phy_to_iphy(sci_phy); result = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control, frame_index, @@ -927,10 +925,10 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, */ state = SCI_PHY_SUB_AWAIT_SAS_POWER; } - sci_change_state(&sci_phy->sm, state); + sci_change_state(&iphy->sm, state); result = SCI_SUCCESS; } else - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected frame id %x\n", __func__, frame_index); @@ -941,10 +939,9 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, case SCI_PHY_SUB_AWAIT_SIG_FIS_UF: { struct dev_to_host_fis *frame_header; u32 *fis_frame_data; - struct isci_phy *iphy = sci_phy_to_iphy(sci_phy); result = scic_sds_unsolicited_frame_control_get_header( - &(scic_sds_phy_get_controller(sci_phy)->uf_control), + &(scic_sds_phy_get_controller(iphy)->uf_control), frame_index, (void **)&frame_header); @@ -964,11 +961,11 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, spin_unlock_irqrestore(&iphy->sas_phy.frame_rcvd_lock, flags); /* got IAF we can now go to the await spinup semaphore state */ - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_FINAL); + sci_change_state(&iphy->sm, SCI_PHY_SUB_FINAL); result = SCI_SUCCESS; } else - dev_warn(sciphy_to_dev(sci_phy), + dev_warn(sciphy_to_dev(iphy), "%s: PHY starting substate machine received " "unexpected frame id %x\n", __func__, frame_index); @@ -979,7 +976,7 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, return result; } default: - dev_dbg(sciphy_to_dev(sci_phy), + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } @@ -988,77 +985,77 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, static void scic_sds_phy_starting_initial_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); /* This is just an temporary state go off to the starting state */ - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_AWAIT_OSSP_EN); + sci_change_state(&iphy->sm, SCI_PHY_SUB_AWAIT_OSSP_EN); } static void scic_sds_phy_starting_await_sas_power_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); - struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); + struct scic_sds_controller *scic = iphy->owning_port->owning_controller; - scic_sds_controller_power_control_queue_insert(scic, sci_phy); + scic_sds_controller_power_control_queue_insert(scic, iphy); } static void scic_sds_phy_starting_await_sas_power_substate_exit(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); - struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); + struct scic_sds_controller *scic = iphy->owning_port->owning_controller; - scic_sds_controller_power_control_queue_remove(scic, sci_phy); + scic_sds_controller_power_control_queue_remove(scic, iphy); } static void scic_sds_phy_starting_await_sata_power_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); - struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); + struct scic_sds_controller *scic = iphy->owning_port->owning_controller; - scic_sds_controller_power_control_queue_insert(scic, sci_phy); + scic_sds_controller_power_control_queue_insert(scic, iphy); } static void scic_sds_phy_starting_await_sata_power_substate_exit(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); - struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); + struct scic_sds_controller *scic = iphy->owning_port->owning_controller; - scic_sds_controller_power_control_queue_remove(scic, sci_phy); + scic_sds_controller_power_control_queue_remove(scic, iphy); } static void scic_sds_phy_starting_await_sata_phy_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - sci_mod_timer(&sci_phy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); + sci_mod_timer(&iphy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); } static void scic_sds_phy_starting_await_sata_phy_substate_exit(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - sci_del_timer(&sci_phy->sata_timer); + sci_del_timer(&iphy->sata_timer); } static void scic_sds_phy_starting_await_sata_speed_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - sci_mod_timer(&sci_phy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); + sci_mod_timer(&iphy->sata_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); } static void scic_sds_phy_starting_await_sata_speed_substate_exit(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - sci_del_timer(&sci_phy->sata_timer); + sci_del_timer(&iphy->sata_timer); } static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - if (scic_sds_port_link_detected(sci_phy->owning_port, sci_phy)) { + if (scic_sds_port_link_detected(iphy->owning_port, iphy)) { /* * Clear the PE suspend condition so we can actually @@ -1066,79 +1063,79 @@ static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(struct sci_bas * The hardware will not respond to the XRDY until the PE * suspend condition is cleared. */ - scic_sds_phy_resume(sci_phy); + scic_sds_phy_resume(iphy); - sci_mod_timer(&sci_phy->sata_timer, + sci_mod_timer(&iphy->sata_timer, SCIC_SDS_SIGNATURE_FIS_TIMEOUT); } else - sci_phy->is_in_link_training = false; + iphy->is_in_link_training = false; } static void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - sci_del_timer(&sci_phy->sata_timer); + sci_del_timer(&iphy->sata_timer); } static void scic_sds_phy_starting_final_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); /* State machine has run to completion so exit out and change * the base state machine to the ready state */ - sci_change_state(&sci_phy->sm, SCI_PHY_READY); + sci_change_state(&iphy->sm, SCI_PHY_READY); } /** * - * @sci_phy: This is the struct scic_sds_phy object to stop. + * @sci_phy: This is the struct isci_phy object to stop. * - * This method will stop the struct scic_sds_phy object. This does not reset the + * This method will stop the struct isci_phy object. This does not reset the * protocol engine it just suspends it and places it in a state where it will * not cause the end device to power up. none */ static void scu_link_layer_stop_protocol_engine( - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { u32 scu_sas_pcfg_value; u32 enable_spinup_value; /* Suspend the protocol engine and place it in a sata spinup hold state */ scu_sas_pcfg_value = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); scu_sas_pcfg_value |= (SCU_SAS_PCFG_GEN_BIT(OOB_RESET) | SCU_SAS_PCFG_GEN_BIT(SUSPEND_PROTOCOL_ENGINE) | SCU_SAS_PCFG_GEN_BIT(SATA_SPINUP_HOLD)); writel(scu_sas_pcfg_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); /* Disable the notify enable spinup primitives */ - enable_spinup_value = readl(&sci_phy->link_layer_registers->notify_enable_spinup_control); + enable_spinup_value = readl(&iphy->link_layer_registers->notify_enable_spinup_control); enable_spinup_value &= ~SCU_ENSPINUP_GEN_BIT(ENABLE); - writel(enable_spinup_value, &sci_phy->link_layer_registers->notify_enable_spinup_control); + writel(enable_spinup_value, &iphy->link_layer_registers->notify_enable_spinup_control); } /** * * - * This method will start the OOB/SN state machine for this struct scic_sds_phy object. + * This method will start the OOB/SN state machine for this struct isci_phy object. */ static void scu_link_layer_start_oob( - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { u32 scu_sas_pcfg_value; scu_sas_pcfg_value = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); scu_sas_pcfg_value |= SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE); scu_sas_pcfg_value &= ~(SCU_SAS_PCFG_GEN_BIT(OOB_RESET) | SCU_SAS_PCFG_GEN_BIT(HARD_RESET)); writel(scu_sas_pcfg_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); } /** @@ -1150,7 +1147,7 @@ static void scu_link_layer_start_oob( * hard reset bit set. */ static void scu_link_layer_tx_hard_reset( - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { u32 phy_configuration_value; @@ -1158,91 +1155,91 @@ static void scu_link_layer_tx_hard_reset( * SAS Phys must wait for the HARD_RESET_TX event notification to transition * to the starting state. */ phy_configuration_value = - readl(&sci_phy->link_layer_registers->phy_configuration); + readl(&iphy->link_layer_registers->phy_configuration); phy_configuration_value |= (SCU_SAS_PCFG_GEN_BIT(HARD_RESET) | SCU_SAS_PCFG_GEN_BIT(OOB_RESET)); writel(phy_configuration_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); /* Now take the OOB state machine out of reset */ phy_configuration_value |= SCU_SAS_PCFG_GEN_BIT(OOB_ENABLE); phy_configuration_value &= ~SCU_SAS_PCFG_GEN_BIT(OOB_RESET); writel(phy_configuration_value, - &sci_phy->link_layer_registers->phy_configuration); + &iphy->link_layer_registers->phy_configuration); } static void scic_sds_phy_stopped_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); /* * @todo We need to get to the controller to place this PE in a * reset state */ - sci_del_timer(&sci_phy->sata_timer); + sci_del_timer(&iphy->sata_timer); - scu_link_layer_stop_protocol_engine(sci_phy); + scu_link_layer_stop_protocol_engine(iphy); - if (sci_phy->sm.previous_state_id != SCI_PHY_INITIAL) - scic_sds_controller_link_down(scic_sds_phy_get_controller(sci_phy), - phy_get_non_dummy_port(sci_phy), - sci_phy); + if (iphy->sm.previous_state_id != SCI_PHY_INITIAL) + scic_sds_controller_link_down(scic_sds_phy_get_controller(iphy), + phy_get_non_dummy_port(iphy), + iphy); } static void scic_sds_phy_starting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - scu_link_layer_stop_protocol_engine(sci_phy); - scu_link_layer_start_oob(sci_phy); + scu_link_layer_stop_protocol_engine(iphy); + scu_link_layer_start_oob(iphy); /* We don't know what kind of phy we are going to be just yet */ - sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN; - sci_phy->bcn_received_while_port_unassigned = false; + iphy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN; + iphy->bcn_received_while_port_unassigned = false; - if (sci_phy->sm.previous_state_id == SCI_PHY_READY) - scic_sds_controller_link_down(scic_sds_phy_get_controller(sci_phy), - phy_get_non_dummy_port(sci_phy), - sci_phy); + if (iphy->sm.previous_state_id == SCI_PHY_READY) + scic_sds_controller_link_down(scic_sds_phy_get_controller(iphy), + phy_get_non_dummy_port(iphy), + iphy); - sci_change_state(&sci_phy->sm, SCI_PHY_SUB_INITIAL); + sci_change_state(&iphy->sm, SCI_PHY_SUB_INITIAL); } static void scic_sds_phy_ready_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - scic_sds_controller_link_up(scic_sds_phy_get_controller(sci_phy), - phy_get_non_dummy_port(sci_phy), - sci_phy); + scic_sds_controller_link_up(scic_sds_phy_get_controller(iphy), + phy_get_non_dummy_port(iphy), + iphy); } static void scic_sds_phy_ready_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); - scic_sds_phy_suspend(sci_phy); + scic_sds_phy_suspend(iphy); } static void scic_sds_phy_resetting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_phy *sci_phy = container_of(sm, typeof(*sci_phy), sm); + struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm); /* The phy is being reset, therefore deactivate it from the port. In * the resetting state we don't notify the user regarding link up and * link down notifications */ - scic_sds_port_deactivate_phy(sci_phy->owning_port, sci_phy, false); + scic_sds_port_deactivate_phy(iphy->owning_port, iphy, false); - if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) { - scu_link_layer_tx_hard_reset(sci_phy); + if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) { + scu_link_layer_tx_hard_reset(iphy); } else { /* The SCU does not need to have a discrete reset state so * just go back to the starting state. */ - sci_change_state(&sci_phy->sm, SCI_PHY_STARTING); + sci_change_state(&iphy->sm, SCI_PHY_STARTING); } } @@ -1293,21 +1290,21 @@ static const struct sci_base_state scic_sds_phy_state_table[] = { [SCI_PHY_FINAL] = { }, }; -void scic_sds_phy_construct(struct scic_sds_phy *sci_phy, +void scic_sds_phy_construct(struct isci_phy *iphy, struct scic_sds_port *owning_port, u8 phy_index) { - sci_init_sm(&sci_phy->sm, scic_sds_phy_state_table, SCI_PHY_INITIAL); + sci_init_sm(&iphy->sm, scic_sds_phy_state_table, SCI_PHY_INITIAL); /* Copy the rest of the input data to our locals */ - sci_phy->owning_port = owning_port; - sci_phy->phy_index = phy_index; - sci_phy->bcn_received_while_port_unassigned = false; - sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN; - sci_phy->link_layer_registers = NULL; - sci_phy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN; + iphy->owning_port = owning_port; + iphy->phy_index = phy_index; + iphy->bcn_received_while_port_unassigned = false; + iphy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN; + iphy->link_layer_registers = NULL; + iphy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN; /* Create the SIGNATURE FIS Timeout timer for this phy */ - sci_init_timer(&sci_phy->sata_timer, phy_sata_timeout); + sci_init_timer(&iphy->sata_timer, phy_sata_timeout); } void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index) @@ -1368,14 +1365,14 @@ int isci_phy_control(struct asd_sas_phy *sas_phy, switch (func) { case PHY_FUNC_DISABLE: spin_lock_irqsave(&ihost->scic_lock, flags); - scic_sds_phy_stop(&iphy->sci); + scic_sds_phy_stop(iphy); spin_unlock_irqrestore(&ihost->scic_lock, flags); break; case PHY_FUNC_LINK_RESET: spin_lock_irqsave(&ihost->scic_lock, flags); - scic_sds_phy_stop(&iphy->sci); - scic_sds_phy_start(&iphy->sci); + scic_sds_phy_stop(iphy); + scic_sds_phy_start(iphy); spin_unlock_irqrestore(&ihost->scic_lock, flags); break; diff --git a/drivers/scsi/isci/phy.h b/drivers/scsi/isci/phy.h index 97ebee16f4b..345fbeacb5c 100644 --- a/drivers/scsi/isci/phy.h +++ b/drivers/scsi/isci/phy.h @@ -84,102 +84,40 @@ enum scic_sds_phy_protocol { }; /** - * struct scic_sds_phy - This structure contains or references all of the data - * necessary to represent the core phy object and SCU harware protocol - * engine. - * - * + * isci_phy - hba local phy infrastructure + * @sm: + * @protocol: attached device protocol + * @phy_index: physical index relative to the controller (0-3) + * @bcn_received_while_port_unassigned: bcn to report after port association + * @sata_timer: timeout SATA signature FIS arrival */ -struct scic_sds_phy { - /** - * This field contains the information for the base phy state machine. - */ +struct isci_phy { struct sci_base_state_machine sm; - - /** - * This field specifies the port object that owns/contains this phy. - */ struct scic_sds_port *owning_port; - - /** - * This field indicates whether the phy supports 1.5 Gb/s, 3.0 Gb/s, - * or 6.0 Gb/s operation. - */ enum sas_linkrate max_negotiated_speed; - - /** - * This member specifies the protocol being utilized on this phy. This - * field contains a legitamite value once the PHY has link trained with - * a remote phy. - */ enum scic_sds_phy_protocol protocol; - - /** - * This field specifies the index with which this phy is associated (0-3). - */ u8 phy_index; - - /** - * This member indicates if this particular PHY has received a BCN while - * it had no port assignement. This BCN will be reported once the phy is - * assigned to a port. - */ bool bcn_received_while_port_unassigned; - - /** - * This field indicates if this PHY is currently in the process of - * link training (i.e. it has started OOB, but has yet to perform - * IAF exchange/Signature FIS reception). - */ bool is_in_link_training; - - /** - * Timer to detect when a signature FIS timeout has occurred. The - * signature FIS is the first FIS sent by an attached SATA device - * after OOB/SN. - */ - struct sci_timer sata_timer; - - /** - * This field is the pointer to the transport layer register for the SCU - * hardware. - */ + struct sci_timer sata_timer; struct scu_transport_layer_registers __iomem *transport_layer_registers; - - /** - * This field points to the link layer register set within the SCU. - */ struct scu_link_layer_registers __iomem *link_layer_registers; - -}; - - -struct isci_phy { - struct scic_sds_phy sci; struct asd_sas_phy sas_phy; struct isci_port *isci_port; u8 sas_addr[SAS_ADDR_SIZE]; - union { struct sas_identify_frame iaf; struct dev_to_host_fis fis; } frame_rcvd; }; -static inline struct isci_phy *to_isci_phy(struct asd_sas_phy *sas_phy) +static inline struct isci_phy *to_iphy(struct asd_sas_phy *sas_phy) { struct isci_phy *iphy = container_of(sas_phy, typeof(*iphy), sas_phy); return iphy; } -static inline struct isci_phy *sci_phy_to_iphy(struct scic_sds_phy *sci_phy) -{ - struct isci_phy *iphy = container_of(sci_phy, typeof(*iphy), sci); - - return iphy; -} - struct scic_phy_cap { union { struct { @@ -520,61 +458,61 @@ enum scic_sds_phy_states { (scic_sds_port_get_controller((phy)->owning_port)) void scic_sds_phy_construct( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, struct scic_sds_port *owning_port, u8 phy_index); -struct scic_sds_port *phy_get_non_dummy_port(struct scic_sds_phy *sci_phy); +struct scic_sds_port *phy_get_non_dummy_port(struct isci_phy *iphy); void scic_sds_phy_set_port( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, struct scic_sds_port *owning_port); enum sci_status scic_sds_phy_initialize( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, struct scu_transport_layer_registers __iomem *transport_layer_registers, struct scu_link_layer_registers __iomem *link_layer_registers); enum sci_status scic_sds_phy_start( - struct scic_sds_phy *this_phy); + struct isci_phy *iphy); enum sci_status scic_sds_phy_stop( - struct scic_sds_phy *this_phy); + struct isci_phy *iphy); enum sci_status scic_sds_phy_reset( - struct scic_sds_phy *this_phy); + struct isci_phy *iphy); void scic_sds_phy_resume( - struct scic_sds_phy *this_phy); + struct isci_phy *iphy); void scic_sds_phy_setup_transport( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, u32 device_id); enum sci_status scic_sds_phy_event_handler( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, u32 event_code); enum sci_status scic_sds_phy_frame_handler( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, u32 frame_index); enum sci_status scic_sds_phy_consume_power_handler( - struct scic_sds_phy *this_phy); + struct isci_phy *iphy); void scic_sds_phy_get_sas_address( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, struct sci_sas_address *sas_address); void scic_sds_phy_get_attached_sas_address( - struct scic_sds_phy *this_phy, + struct isci_phy *iphy, struct sci_sas_address *sas_address); struct scic_phy_proto; void scic_sds_phy_get_protocols( - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, struct scic_phy_proto *protocols); -enum sas_linkrate sci_phy_linkrate(struct scic_sds_phy *sci_phy); +enum sas_linkrate sci_phy_linkrate(struct isci_phy *iphy); struct isci_host; void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index); diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index bd091549b4f..d53c0b1748e 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -154,17 +154,17 @@ static enum sci_status scic_port_get_properties(struct scic_sds_port *port, static void scic_port_bcn_enable(struct scic_sds_port *sci_port) { - struct scic_sds_phy *sci_phy; + struct isci_phy *iphy; u32 val; int i; for (i = 0; i < ARRAY_SIZE(sci_port->phy_table); i++) { - sci_phy = sci_port->phy_table[i]; - if (!sci_phy) + iphy = sci_port->phy_table[i]; + if (!iphy) continue; - val = readl(&sci_phy->link_layer_registers->link_layer_control); + val = readl(&iphy->link_layer_registers->link_layer_control); /* clear the bit by writing 1. */ - writel(val, &sci_phy->link_layer_registers->link_layer_control); + writel(val, &iphy->link_layer_registers->link_layer_control); } } @@ -180,10 +180,9 @@ void isci_port_bcn_enable(struct isci_host *ihost, struct isci_port *iport) return; for (i = 0; i < ARRAY_SIZE(iport->sci.phy_table); i++) { - struct scic_sds_phy *sci_phy = iport->sci.phy_table[i]; - struct isci_phy *iphy = sci_phy_to_iphy(sci_phy); + struct isci_phy *iphy = iport->sci.phy_table[i]; - if (!sci_phy) + if (!iphy) continue; ihost->sas_ha.notify_port_event(&iphy->sas_phy, @@ -194,9 +193,8 @@ void isci_port_bcn_enable(struct isci_host *ihost, struct isci_port *iport) void isci_port_bc_change_received(struct isci_host *ihost, struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { - struct isci_phy *iphy = sci_phy_to_iphy(sci_phy); struct isci_port *iport = iphy->isci_port; if (iport && test_bit(IPORT_BCN_BLOCKED, &iport->flags)) { @@ -219,33 +217,32 @@ void isci_port_bc_change_received(struct isci_host *ihost, static void isci_port_link_up(struct isci_host *isci_host, struct scic_sds_port *port, - struct scic_sds_phy *phy) + struct isci_phy *iphy) { unsigned long flags; struct scic_port_properties properties; - struct isci_phy *isci_phy = sci_phy_to_iphy(phy); struct isci_port *isci_port = sci_port_to_iport(port); unsigned long success = true; - BUG_ON(isci_phy->isci_port != NULL); + BUG_ON(iphy->isci_port != NULL); - isci_phy->isci_port = isci_port; + iphy->isci_port = isci_port; dev_dbg(&isci_host->pdev->dev, "%s: isci_port = %p\n", __func__, isci_port); - spin_lock_irqsave(&isci_phy->sas_phy.frame_rcvd_lock, flags); + spin_lock_irqsave(&iphy->sas_phy.frame_rcvd_lock, flags); - isci_port_change_state(isci_phy->isci_port, isci_starting); + isci_port_change_state(iphy->isci_port, isci_starting); scic_port_get_properties(port, &properties); - if (phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) { + if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) { u64 attached_sas_address; - isci_phy->sas_phy.oob_mode = SATA_OOB_MODE; - isci_phy->sas_phy.frame_rcvd_size = sizeof(struct dev_to_host_fis); + iphy->sas_phy.oob_mode = SATA_OOB_MODE; + iphy->sas_phy.frame_rcvd_size = sizeof(struct dev_to_host_fis); /* * For direct-attached SATA devices, the SCI core will @@ -259,28 +256,28 @@ static void isci_port_link_up(struct isci_host *isci_host, attached_sas_address |= properties.remote.sas_address.low; swab64s(&attached_sas_address); - memcpy(&isci_phy->sas_phy.attached_sas_addr, + memcpy(&iphy->sas_phy.attached_sas_addr, &attached_sas_address, sizeof(attached_sas_address)); - } else if (phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) { - isci_phy->sas_phy.oob_mode = SAS_OOB_MODE; - isci_phy->sas_phy.frame_rcvd_size = sizeof(struct sas_identify_frame); + } else if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) { + iphy->sas_phy.oob_mode = SAS_OOB_MODE; + iphy->sas_phy.frame_rcvd_size = sizeof(struct sas_identify_frame); /* Copy the attached SAS address from the IAF */ - memcpy(isci_phy->sas_phy.attached_sas_addr, - isci_phy->frame_rcvd.iaf.sas_addr, SAS_ADDR_SIZE); + memcpy(iphy->sas_phy.attached_sas_addr, + iphy->frame_rcvd.iaf.sas_addr, SAS_ADDR_SIZE); } else { dev_err(&isci_host->pdev->dev, "%s: unkown target\n", __func__); success = false; } - isci_phy->sas_phy.phy->negotiated_linkrate = sci_phy_linkrate(phy); + iphy->sas_phy.phy->negotiated_linkrate = sci_phy_linkrate(iphy); - spin_unlock_irqrestore(&isci_phy->sas_phy.frame_rcvd_lock, flags); + spin_unlock_irqrestore(&iphy->sas_phy.frame_rcvd_lock, flags); /* Notify libsas that we have an address frame, if indeed * we've found an SSP, SMP, or STP target */ if (success) - isci_host->sas_ha.notify_port_event(&isci_phy->sas_phy, + isci_host->sas_ha.notify_port_event(&iphy->sas_phy, PORTE_BYTES_DMAED); } @@ -495,11 +492,7 @@ static bool scic_sds_port_is_phy_mask_valid( return false; } -/** - * - * @sci_port: This parameter specifies the port from which to return a - * connected phy. - * +/* * This method retrieves a currently active (i.e. connected) phy contained in * the port. Currently, the lowest order phy that is connected is returned. * This method returns a pointer to a SCIS_SDS_PHY object. NULL This value is @@ -507,58 +500,38 @@ static bool scic_sds_port_is_phy_mask_valid( * point) phys contained in the port. All other values specify a struct scic_sds_phy * object that is active in the port. */ -static struct scic_sds_phy *scic_sds_port_get_a_connected_phy( - struct scic_sds_port *sci_port - ) { +static struct isci_phy *scic_sds_port_get_a_connected_phy(struct scic_sds_port *sci_port) +{ u32 index; - struct scic_sds_phy *phy; + struct isci_phy *iphy; for (index = 0; index < SCI_MAX_PHYS; index++) { - /* - * Ensure that the phy is both part of the port and currently - * connected to the remote end-point. */ - phy = sci_port->phy_table[index]; - if ( - (phy != NULL) - && scic_sds_port_active_phy(sci_port, phy) - ) { - return phy; - } + /* Ensure that the phy is both part of the port and currently + * connected to the remote end-point. + */ + iphy = sci_port->phy_table[index]; + if (iphy && scic_sds_port_active_phy(sci_port, iphy)) + return iphy; } return NULL; } -/** - * scic_sds_port_set_phy() - - * @out]: port The port object to which the phy assignement is being made. - * @out]: phy The phy which is being assigned to the port. - * - * This method attempts to make the assignment of the phy to the port. If - * successful the phy is assigned to the ports phy table. bool true if the phy - * assignment can be made. false if the phy assignement can not be made. This - * is a functional test that only fails if the phy is currently assigned to a - * different port. - */ -static enum sci_status scic_sds_port_set_phy( - struct scic_sds_port *port, - struct scic_sds_phy *phy) +static enum sci_status scic_sds_port_set_phy(struct scic_sds_port *port, struct isci_phy *iphy) { - /* - * Check to see if we can add this phy to a port + /* Check to see if we can add this phy to a port * that means that the phy is not part of a port and that the port does - * not already have a phy assinged to the phy index. */ - if ( - (port->phy_table[phy->phy_index] == NULL) - && (phy_get_non_dummy_port(phy) == NULL) - && scic_sds_port_is_valid_phy_assignment(port, phy->phy_index) - ) { - /* - * Phy is being added in the stopped state so we are in MPC mode - * make logical port index = physical port index */ + * not already have a phy assinged to the phy index. + */ + if (!port->phy_table[iphy->phy_index] && + !phy_get_non_dummy_port(iphy) && + scic_sds_port_is_valid_phy_assignment(port, iphy->phy_index)) { + /* Phy is being added in the stopped state so we are in MPC mode + * make logical port index = physical port index + */ port->logical_port_index = port->physical_port_index; - port->phy_table[phy->phy_index] = phy; - scic_sds_phy_set_port(phy, port); + port->phy_table[iphy->phy_index] = iphy; + scic_sds_phy_set_port(iphy, port); return SCI_SUCCESS; } @@ -566,28 +539,18 @@ static enum sci_status scic_sds_port_set_phy( return SCI_FAILURE; } -/** - * scic_sds_port_clear_phy() - - * @out]: port The port from which the phy is being cleared. - * @out]: phy The phy being cleared from the port. - * - * This method will clear the phy assigned to this port. This method fails if - * this phy is not currently assinged to this port. bool true if the phy is - * removed from the port. false if this phy is not assined to this port. - */ -static enum sci_status scic_sds_port_clear_phy( - struct scic_sds_port *port, - struct scic_sds_phy *phy) +static enum sci_status scic_sds_port_clear_phy(struct scic_sds_port *port, + struct isci_phy *iphy) { /* Make sure that this phy is part of this port */ - if (port->phy_table[phy->phy_index] == phy && - phy_get_non_dummy_port(phy) == port) { + if (port->phy_table[iphy->phy_index] == iphy && + phy_get_non_dummy_port(iphy) == port) { struct scic_sds_controller *scic = port->owning_controller; struct isci_host *ihost = scic_to_ihost(scic); /* Yep it is assigned to this port so remove it */ - scic_sds_phy_set_port(phy, &ihost->ports[SCI_MAX_PORTS].sci); - port->phy_table[phy->phy_index] = NULL; + scic_sds_phy_set_port(iphy, &ihost->ports[SCI_MAX_PORTS].sci); + port->phy_table[iphy->phy_index] = NULL; return SCI_SUCCESS; } @@ -634,20 +597,20 @@ void scic_sds_port_get_attached_sas_address( struct scic_sds_port *sci_port, struct sci_sas_address *sas_address) { - struct scic_sds_phy *sci_phy; + struct isci_phy *iphy; /* * Ensure that the phy is both part of the port and currently * connected to the remote end-point. */ - sci_phy = scic_sds_port_get_a_connected_phy(sci_port); - if (sci_phy) { - if (sci_phy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) { - scic_sds_phy_get_attached_sas_address(sci_phy, + iphy = scic_sds_port_get_a_connected_phy(sci_port); + if (iphy) { + if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) { + scic_sds_phy_get_attached_sas_address(iphy, sas_address); } else { - scic_sds_phy_get_sas_address(sci_phy, sas_address); - sas_address->low += sci_phy->phy_index; + scic_sds_phy_get_sas_address(iphy, sas_address); + sas_address->low += iphy->phy_index; } } else { sas_address->high = 0; @@ -787,39 +750,38 @@ void scic_sds_port_setup_transports( * notifying the user that the link is up. none */ static void scic_sds_port_activate_phy(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, bool do_notify_user) { struct scic_sds_controller *scic = sci_port->owning_controller; struct isci_host *ihost = scic_to_ihost(scic); - if (sci_phy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) - scic_sds_phy_resume(sci_phy); + if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) + scic_sds_phy_resume(iphy); - sci_port->active_phy_mask |= 1 << sci_phy->phy_index; + sci_port->active_phy_mask |= 1 << iphy->phy_index; - scic_sds_controller_clear_invalid_phy(scic, sci_phy); + scic_sds_controller_clear_invalid_phy(scic, iphy); if (do_notify_user == true) - isci_port_link_up(ihost, sci_port, sci_phy); + isci_port_link_up(ihost, sci_port, iphy); } void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, bool do_notify_user) { struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port); struct isci_port *iport = sci_port_to_iport(sci_port); struct isci_host *ihost = scic_to_ihost(scic); - struct isci_phy *iphy = sci_phy_to_iphy(sci_phy); - sci_port->active_phy_mask &= ~(1 << sci_phy->phy_index); + sci_port->active_phy_mask &= ~(1 << iphy->phy_index); - sci_phy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN; + iphy->max_negotiated_speed = SAS_LINK_RATE_UNKNOWN; /* Re-assign the phy back to the LP as if it were a narrow port */ - writel(sci_phy->phy_index, - &sci_port->port_pe_configuration_register[sci_phy->phy_index]); + writel(iphy->phy_index, + &sci_port->port_pe_configuration_register[iphy->phy_index]); if (do_notify_user == true) isci_port_link_down(ihost, iphy, iport); @@ -834,7 +796,7 @@ void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port, * this port object. None */ static void scic_sds_port_invalid_link_up(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { struct scic_sds_controller *scic = sci_port->owning_controller; @@ -843,8 +805,8 @@ static void scic_sds_port_invalid_link_up(struct scic_sds_port *sci_port, * not go ahead and tell the SCI_USER that we have discovered an * invalid link. */ - if ((scic->invalid_phy_mask & (1 << sci_phy->phy_index)) == 0) { - scic_sds_controller_set_invalid_phy(scic, sci_phy); + if ((scic->invalid_phy_mask & (1 << iphy->phy_index)) == 0) { + scic_sds_controller_set_invalid_phy(scic, iphy); dev_warn(&scic_to_ihost(scic)->pdev->dev, "Invalid link up!\n"); } } @@ -879,7 +841,7 @@ static void port_state_machine_change(struct scic_sds_port *sci_port, /** * scic_sds_port_general_link_up_handler - phy can be assigned to port? * @sci_port: scic_sds_port object for which has a phy that has gone link up. - * @sci_phy: This is the struct scic_sds_phy object that has gone link up. + * @sci_phy: This is the struct isci_phy object that has gone link up. * @do_notify_user: This parameter specifies whether to inform the user (via * scic_cb_port_link_up()) as to the fact that a new phy as become ready. * @@ -890,14 +852,14 @@ static void port_state_machine_change(struct scic_sds_port *sci_port, * the same port. none */ static void scic_sds_port_general_link_up_handler(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, bool do_notify_user) { struct sci_sas_address port_sas_address; struct sci_sas_address phy_sas_address; scic_sds_port_get_attached_sas_address(sci_port, &port_sas_address); - scic_sds_phy_get_attached_sas_address(sci_phy, &phy_sas_address); + scic_sds_phy_get_attached_sas_address(iphy, &phy_sas_address); /* If the SAS address of the new phy matches the SAS address of * other phys in the port OR this is the first phy in the port, @@ -909,11 +871,11 @@ static void scic_sds_port_general_link_up_handler(struct scic_sds_port *sci_port sci_port->active_phy_mask == 0) { struct sci_base_state_machine *sm = &sci_port->sm; - scic_sds_port_activate_phy(sci_port, sci_phy, do_notify_user); + scic_sds_port_activate_phy(sci_port, iphy, do_notify_user); if (sm->current_state_id == SCI_PORT_RESETTING) port_state_machine_change(sci_port, SCI_PORT_READY); } else - scic_sds_port_invalid_link_up(sci_port, sci_phy); + scic_sds_port_invalid_link_up(sci_port, iphy); } @@ -957,12 +919,12 @@ static bool scic_sds_port_is_wide(struct scic_sds_port *sci_port) */ bool scic_sds_port_link_detected( struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { if ((sci_port->logical_port_index != SCIC_SDS_DUMMY_PORT) && - (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) && + (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) && scic_sds_port_is_wide(sci_port)) { - scic_sds_port_invalid_link_up(sci_port, sci_phy); + scic_sds_port_invalid_link_up(sci_port, iphy); return false; } @@ -1045,47 +1007,26 @@ static void scic_sds_port_update_viit_entry(struct scic_sds_port *sci_port) &sci_port->viit_registers->status); } -/** - * This method returns the maximum allowed speed for data transfers on this - * port. This maximum allowed speed evaluates to the maximum speed of the - * slowest phy in the port. - * @sci_port: This parameter specifies the port for which to retrieve the - * maximum allowed speed. - * - * This method returns the maximum negotiated speed of the slowest phy in the - * port. - */ -enum sas_linkrate scic_sds_port_get_max_allowed_speed( - struct scic_sds_port *sci_port) +enum sas_linkrate scic_sds_port_get_max_allowed_speed(struct scic_sds_port *sci_port) { u16 index; + struct isci_phy *iphy; enum sas_linkrate max_allowed_speed = SAS_LINK_RATE_6_0_GBPS; - struct scic_sds_phy *phy = NULL; /* * Loop through all of the phys in this port and find the phy with the * lowest maximum link rate. */ for (index = 0; index < SCI_MAX_PHYS; index++) { - phy = sci_port->phy_table[index]; - if ( - (phy != NULL) - && (scic_sds_port_active_phy(sci_port, phy) == true) - && (phy->max_negotiated_speed < max_allowed_speed) - ) - max_allowed_speed = phy->max_negotiated_speed; + iphy = sci_port->phy_table[index]; + if (iphy && scic_sds_port_active_phy(sci_port, iphy) && + iphy->max_negotiated_speed < max_allowed_speed) + max_allowed_speed = iphy->max_negotiated_speed; } return max_allowed_speed; } -/** - * - * @sci_port: This is the struct scic_sds_port object to suspend. - * - * This method will susped the port task scheduler for this port object. none - */ -static void -scic_sds_port_suspend_port_task_scheduler(struct scic_sds_port *port) +static void scic_sds_port_suspend_port_task_scheduler(struct scic_sds_port *port) { u32 pts_control_value; @@ -1377,7 +1318,7 @@ enum sci_status scic_sds_port_stop(struct scic_sds_port *sci_port) static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32 timeout) { enum sci_status status = SCI_FAILURE_INVALID_PHY; - struct scic_sds_phy *selected_phy = NULL; + struct isci_phy *iphy = NULL; enum scic_sds_port_states state; u32 phy_index; @@ -1389,22 +1330,21 @@ static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32 } /* Select a phy on which we can send the hard reset request. */ - for (phy_index = 0; phy_index < SCI_MAX_PHYS && !selected_phy; phy_index++) { - selected_phy = sci_port->phy_table[phy_index]; - if (selected_phy && - !scic_sds_port_active_phy(sci_port, selected_phy)) { + for (phy_index = 0; phy_index < SCI_MAX_PHYS && !iphy; phy_index++) { + iphy = sci_port->phy_table[phy_index]; + if (iphy && !scic_sds_port_active_phy(sci_port, iphy)) { /* * We found a phy but it is not ready select * different phy */ - selected_phy = NULL; + iphy = NULL; } } /* If we have a phy then go ahead and start the reset procedure */ - if (!selected_phy) + if (!iphy) return status; - status = scic_sds_phy_reset(selected_phy); + status = scic_sds_phy_reset(iphy); if (status != SCI_SUCCESS) return status; @@ -1412,8 +1352,7 @@ static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32 sci_mod_timer(&sci_port->timer, timeout); sci_port->not_ready_reason = SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED; - port_state_machine_change(sci_port, - SCI_PORT_RESETTING); + port_state_machine_change(sci_port, SCI_PORT_RESETTING); return SCI_SUCCESS; } @@ -1427,7 +1366,7 @@ static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32 * status is a failure to add the phy to the port. */ enum sci_status scic_sds_port_add_phy(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { enum sci_status status; enum scic_sds_port_states state; @@ -1446,32 +1385,32 @@ enum sci_status scic_sds_port_add_phy(struct scic_sds_port *sci_port, /* Make sure that the PHY SAS Address matches the SAS Address * for this port */ - scic_sds_phy_get_sas_address(sci_phy, &phy_sas_address); + scic_sds_phy_get_sas_address(iphy, &phy_sas_address); if (port_sas_address.high != phy_sas_address.high || port_sas_address.low != phy_sas_address.low) return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION; } - return scic_sds_port_set_phy(sci_port, sci_phy); + return scic_sds_port_set_phy(sci_port, iphy); } case SCI_PORT_SUB_WAITING: case SCI_PORT_SUB_OPERATIONAL: - status = scic_sds_port_set_phy(sci_port, sci_phy); + status = scic_sds_port_set_phy(sci_port, iphy); if (status != SCI_SUCCESS) return status; - scic_sds_port_general_link_up_handler(sci_port, sci_phy, true); + scic_sds_port_general_link_up_handler(sci_port, iphy, true); sci_port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING; port_state_machine_change(sci_port, SCI_PORT_SUB_CONFIGURING); return status; case SCI_PORT_SUB_CONFIGURING: - status = scic_sds_port_set_phy(sci_port, sci_phy); + status = scic_sds_port_set_phy(sci_port, iphy); if (status != SCI_SUCCESS) return status; - scic_sds_port_general_link_up_handler(sci_port, sci_phy, true); + scic_sds_port_general_link_up_handler(sci_port, iphy, true); /* Re-enter the configuring state since this may be the last phy in * the port. @@ -1496,7 +1435,7 @@ enum sci_status scic_sds_port_add_phy(struct scic_sds_port *sci_port, * other status is a failure to add the phy to the port. */ enum sci_status scic_sds_port_remove_phy(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { enum sci_status status; enum scic_sds_port_states state; @@ -1505,23 +1444,23 @@ enum sci_status scic_sds_port_remove_phy(struct scic_sds_port *sci_port, switch (state) { case SCI_PORT_STOPPED: - return scic_sds_port_clear_phy(sci_port, sci_phy); + return scic_sds_port_clear_phy(sci_port, iphy); case SCI_PORT_SUB_OPERATIONAL: - status = scic_sds_port_clear_phy(sci_port, sci_phy); + status = scic_sds_port_clear_phy(sci_port, iphy); if (status != SCI_SUCCESS) return status; - scic_sds_port_deactivate_phy(sci_port, sci_phy, true); + scic_sds_port_deactivate_phy(sci_port, iphy, true); sci_port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING; port_state_machine_change(sci_port, SCI_PORT_SUB_CONFIGURING); return SCI_SUCCESS; case SCI_PORT_SUB_CONFIGURING: - status = scic_sds_port_clear_phy(sci_port, sci_phy); + status = scic_sds_port_clear_phy(sci_port, iphy); if (status != SCI_SUCCESS) return status; - scic_sds_port_deactivate_phy(sci_port, sci_phy, true); + scic_sds_port_deactivate_phy(sci_port, iphy, true); /* Re-enter the configuring state since this may be the last phy in * the port @@ -1537,7 +1476,7 @@ enum sci_status scic_sds_port_remove_phy(struct scic_sds_port *sci_port, } enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { enum scic_sds_port_states state; @@ -1547,13 +1486,13 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port, /* Since this is the first phy going link up for the port we * can just enable it and continue */ - scic_sds_port_activate_phy(sci_port, sci_phy, true); + scic_sds_port_activate_phy(sci_port, iphy, true); port_state_machine_change(sci_port, SCI_PORT_SUB_OPERATIONAL); return SCI_SUCCESS; case SCI_PORT_SUB_OPERATIONAL: - scic_sds_port_general_link_up_handler(sci_port, sci_phy, true); + scic_sds_port_general_link_up_handler(sci_port, iphy, true); return SCI_SUCCESS; case SCI_PORT_RESETTING: /* TODO We should make sure that the phy that has gone @@ -1570,7 +1509,7 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port, /* In the resetting state we don't notify the user regarding * link up and link down notifications. */ - scic_sds_port_general_link_up_handler(sci_port, sci_phy, false); + scic_sds_port_general_link_up_handler(sci_port, iphy, false); return SCI_SUCCESS; default: dev_warn(sciport_to_dev(sci_port), @@ -1580,14 +1519,14 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port, } enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { enum scic_sds_port_states state; state = sci_port->sm.current_state_id; switch (state) { case SCI_PORT_SUB_OPERATIONAL: - scic_sds_port_deactivate_phy(sci_port, sci_phy, true); + scic_sds_port_deactivate_phy(sci_port, iphy, true); /* If there are no active phys left in the port, then * transition the port to the WAITING state until such time @@ -1600,7 +1539,7 @@ enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port, case SCI_PORT_RESETTING: /* In the resetting state we don't notify the user regarding * link up and link down notifications. */ - scic_sds_port_deactivate_phy(sci_port, sci_phy, false); + scic_sds_port_deactivate_phy(sci_port, iphy, false); return SCI_SUCCESS; default: dev_warn(sciport_to_dev(sci_port), @@ -1879,13 +1818,13 @@ enum isci_status isci_port_get_state( void scic_sds_port_broadcast_change_received( struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { struct scic_sds_controller *scic = sci_port->owning_controller; struct isci_host *ihost = scic_to_ihost(scic); /* notify the user. */ - isci_port_bc_change_received(ihost, sci_port, sci_phy); + isci_port_bc_change_received(ihost, sci_port, iphy); } int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *iport, diff --git a/drivers/scsi/isci/port.h b/drivers/scsi/isci/port.h index 668f3a14cd7..b6ce56a6c11 100644 --- a/drivers/scsi/isci/port.h +++ b/drivers/scsi/isci/port.h @@ -131,7 +131,7 @@ struct scic_sds_port { /** * This field is the table of phys assigned to the port. */ - struct scic_sds_phy *phy_table[SCI_MAX_PHYS]; + struct isci_phy *phy_table[SCI_MAX_PHYS]; /** * This field is a pointer back to the controller that owns this @@ -328,11 +328,11 @@ enum sci_status scic_sds_port_stop(struct scic_sds_port *sci_port); enum sci_status scic_sds_port_add_phy( struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); enum sci_status scic_sds_port_remove_phy( struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); void scic_sds_port_setup_transports( struct scic_sds_port *sci_port, @@ -342,17 +342,17 @@ void isci_port_bcn_enable(struct isci_host *, struct isci_port *); void scic_sds_port_deactivate_phy( struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy, + struct isci_phy *iphy, bool do_notify_user); bool scic_sds_port_link_detected( struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); struct isci_request; struct scic_sds_remote_device; @@ -371,7 +371,7 @@ enum sas_linkrate scic_sds_port_get_max_allowed_speed( void scic_sds_port_broadcast_change_received( struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy); + struct isci_phy *iphy); bool scic_sds_port_is_valid_phy_assignment( struct scic_sds_port *sci_port, diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c index fcb8f030b7a..8444fd8219d 100644 --- a/drivers/scsi/isci/port_config.c +++ b/drivers/scsi/isci/port_config.c @@ -114,7 +114,7 @@ static s32 sci_sas_address_compare( */ static struct scic_sds_port *scic_sds_port_configuration_agent_find_port( struct scic_sds_controller *scic, - struct scic_sds_phy *phy) + struct isci_phy *iphy) { u8 i; struct sci_sas_address port_sas_address; @@ -127,8 +127,8 @@ static struct scic_sds_port *scic_sds_port_configuration_agent_find_port( * more phys match the sent and received SAS address as this phy in which * case it should participate in the same port. */ - scic_sds_phy_get_sas_address(phy, &phy_sas_address); - scic_sds_phy_get_attached_sas_address(phy, &phy_attached_device_address); + scic_sds_phy_get_sas_address(iphy, &phy_sas_address); + scic_sds_phy_get_attached_sas_address(iphy, &phy_attached_device_address); for (i = 0; i < scic->logical_port_entries; i++) { struct isci_host *ihost = scic_to_ihost(scic); @@ -196,8 +196,8 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports( * PE0 and PE3 can never have the same SAS Address unless they * are part of the same x4 wide port and we have already checked * for this condition. */ - scic_sds_phy_get_sas_address(&ihost->phys[0].sci, &first_address); - scic_sds_phy_get_sas_address(&ihost->phys[3].sci, &second_address); + scic_sds_phy_get_sas_address(&ihost->phys[0], &first_address); + scic_sds_phy_get_sas_address(&ihost->phys[3], &second_address); if (sci_sas_address_compare(first_address, second_address) == 0) { return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION; @@ -209,8 +209,8 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports( * part of the same port. */ if (port_agent->phy_valid_port_range[0].min_index == 0 && port_agent->phy_valid_port_range[1].min_index == 1) { - scic_sds_phy_get_sas_address(&ihost->phys[0].sci, &first_address); - scic_sds_phy_get_sas_address(&ihost->phys[2].sci, &second_address); + scic_sds_phy_get_sas_address(&ihost->phys[0], &first_address); + scic_sds_phy_get_sas_address(&ihost->phys[2], &second_address); if (sci_sas_address_compare(first_address, second_address) == 0) { return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION; @@ -223,8 +223,8 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports( * part of the same port. */ if (port_agent->phy_valid_port_range[2].min_index == 2 && port_agent->phy_valid_port_range[3].min_index == 3) { - scic_sds_phy_get_sas_address(&ihost->phys[1].sci, &first_address); - scic_sds_phy_get_sas_address(&ihost->phys[3].sci, &second_address); + scic_sds_phy_get_sas_address(&ihost->phys[1], &first_address); + scic_sds_phy_get_sas_address(&ihost->phys[3], &second_address); if (sci_sas_address_compare(first_address, second_address) == 0) { return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION; @@ -277,7 +277,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration( for (phy_index = 0; phy_index < SCI_MAX_PHYS; phy_index++) { if ((phy_mask & (1 << phy_index)) == 0) continue; - scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci, + scic_sds_phy_get_sas_address(&ihost->phys[phy_index], &sas_address); /* @@ -302,7 +302,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration( while (phy_index < SCI_MAX_PHYS) { if ((phy_mask & (1 << phy_index)) == 0) continue; - scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci, + scic_sds_phy_get_sas_address(&ihost->phys[phy_index], &phy_assigned_address); if (sci_sas_address_compare(sas_address, phy_assigned_address) != 0) { @@ -316,7 +316,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration( port_agent->phy_valid_port_range[phy_index].max_index = phy_index; scic_sds_port_add_phy(&ihost->ports[port_index].sci, - &ihost->phys[phy_index].sci); + &ihost->phys[phy_index]); assigned_phy_mask |= (1 << phy_index); } @@ -352,12 +352,12 @@ static void mpc_agent_timeout(unsigned long data) configure_phy_mask = ~port_agent->phy_configured_mask & port_agent->phy_ready_mask; for (index = 0; index < SCI_MAX_PHYS; index++) { - struct scic_sds_phy *sci_phy = &ihost->phys[index].sci; + struct isci_phy *iphy = &ihost->phys[index]; if (configure_phy_mask & (1 << index)) { port_agent->link_up_handler(scic, port_agent, - phy_get_non_dummy_port(sci_phy), - sci_phy); + phy_get_non_dummy_port(iphy), + iphy); } } @@ -365,37 +365,22 @@ done: spin_unlock_irqrestore(&ihost->scic_lock, flags); } -/** - * - * @controller: This is the controller object that receives the link up - * notification. - * @port: This is the port object associated with the phy. If the is no - * associated port this is an NULL. - * @phy: This is the phy object which has gone ready. - * - * This method handles the manual port configuration link up notifications. - * Since all ports and phys are associate at initialization time we just turn - * around and notifiy the port object that there is a link up. If this PHY is - * not associated with a port there is no action taken. Is it possible to get a - * link up notification from a phy that has no assocoated port? - */ -static void scic_sds_mpc_agent_link_up( - struct scic_sds_controller *controller, - struct scic_sds_port_configuration_agent *port_agent, - struct scic_sds_port *port, - struct scic_sds_phy *phy) +static void scic_sds_mpc_agent_link_up(struct scic_sds_controller *controller, + struct scic_sds_port_configuration_agent *port_agent, + struct scic_sds_port *port, + struct isci_phy *iphy) { - /* - * If the port has an invalid handle then the phy was not assigned to + /* If the port has an invalid handle then the phy was not assigned to * a port. This is because the phy was not given the same SAS Address - * as the other PHYs in the port. */ + * as the other PHYs in the port. + */ if (port != NULL) { - port_agent->phy_ready_mask |= (1 << scic_sds_phy_get_index(phy)); + port_agent->phy_ready_mask |= (1 << scic_sds_phy_get_index(iphy)); - scic_sds_port_link_up(port, phy); + scic_sds_port_link_up(port, iphy); - if ((port->active_phy_mask & (1 << scic_sds_phy_get_index(phy))) != 0) { - port_agent->phy_configured_mask |= (1 << scic_sds_phy_get_index(phy)); + if ((port->active_phy_mask & (1 << scic_sds_phy_get_index(iphy))) != 0) { + port_agent->phy_configured_mask |= (1 << scic_sds_phy_get_index(iphy)); } } } @@ -421,7 +406,7 @@ static void scic_sds_mpc_agent_link_down( struct scic_sds_controller *scic, struct scic_sds_port_configuration_agent *port_agent, struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { if (sci_port != NULL) { /* @@ -432,9 +417,9 @@ static void scic_sds_mpc_agent_link_down( * state. */ port_agent->phy_ready_mask &= - ~(1 << scic_sds_phy_get_index(sci_phy)); + ~(1 << scic_sds_phy_get_index(iphy)); port_agent->phy_configured_mask &= - ~(1 << scic_sds_phy_get_index(sci_phy)); + ~(1 << scic_sds_phy_get_index(iphy)); /* * Check to see if there are more phys waiting to be @@ -451,7 +436,7 @@ static void scic_sds_mpc_agent_link_down( SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT); } - scic_sds_port_link_down(sci_port, sci_phy); + scic_sds_port_link_down(sci_port, iphy); } } @@ -482,11 +467,11 @@ static enum sci_status scic_sds_apc_agent_validate_phy_configuration( port_index = phy_index; /* Get the assigned SAS Address for the first PHY on the controller. */ - scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci, + scic_sds_phy_get_sas_address(&ihost->phys[phy_index], &sas_address); while (++phy_index < SCI_MAX_PHYS) { - scic_sds_phy_get_sas_address(&ihost->phys[phy_index].sci, + scic_sds_phy_get_sas_address(&ihost->phys[phy_index], &phy_assigned_address); /* Verify each of the SAS address are all the same for every PHY */ @@ -504,20 +489,10 @@ static enum sci_status scic_sds_apc_agent_validate_phy_configuration( return scic_sds_port_configuration_agent_validate_ports(controller, port_agent); } -/** - * - * @controller: This is the controller object that receives the link up - * notification. - * @phy: This is the phy object which has gone link up. - * - * This method handles the automatic port configuration for link up - * notifications. - */ -static void scic_sds_apc_agent_configure_ports( - struct scic_sds_controller *controller, - struct scic_sds_port_configuration_agent *port_agent, - struct scic_sds_phy *phy, - bool start_timer) +static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *controller, + struct scic_sds_port_configuration_agent *port_agent, + struct isci_phy *iphy, + bool start_timer) { u8 port_index; enum sci_status status; @@ -525,10 +500,10 @@ static void scic_sds_apc_agent_configure_ports( enum SCIC_SDS_APC_ACTIVITY apc_activity = SCIC_SDS_APC_SKIP_PHY; struct isci_host *ihost = scic_to_ihost(controller); - port = scic_sds_port_configuration_agent_find_port(controller, phy); + port = scic_sds_port_configuration_agent_find_port(controller, iphy); if (port != NULL) { - if (scic_sds_port_is_valid_phy_assignment(port, phy->phy_index)) + if (scic_sds_port_is_valid_phy_assignment(port, iphy->phy_index)) apc_activity = SCIC_SDS_APC_ADD_PHY; else apc_activity = SCIC_SDS_APC_SKIP_PHY; @@ -540,20 +515,20 @@ static void scic_sds_apc_agent_configure_ports( * * Note the break when we reach the condition of the port id == phy id */ for ( - port_index = port_agent->phy_valid_port_range[phy->phy_index].min_index; - port_index <= port_agent->phy_valid_port_range[phy->phy_index].max_index; + port_index = port_agent->phy_valid_port_range[iphy->phy_index].min_index; + port_index <= port_agent->phy_valid_port_range[iphy->phy_index].max_index; port_index++ ) { port = &ihost->ports[port_index].sci; /* First we must make sure that this PHY can be added to this Port. */ - if (scic_sds_port_is_valid_phy_assignment(port, phy->phy_index)) { + if (scic_sds_port_is_valid_phy_assignment(port, iphy->phy_index)) { /* * Port contains a PHY with a greater PHY ID than the current * PHY that has gone link up. This phy can not be part of any * port so skip it and move on. */ - if (port->active_phy_mask > (1 << phy->phy_index)) { + if (port->active_phy_mask > (1 << iphy->phy_index)) { apc_activity = SCIC_SDS_APC_SKIP_PHY; break; } @@ -562,7 +537,7 @@ static void scic_sds_apc_agent_configure_ports( * We have reached the end of our Port list and have not found * any reason why we should not either add the PHY to the port * or wait for more phys to become active. */ - if (port->physical_port_index == phy->phy_index) { + if (port->physical_port_index == iphy->phy_index) { /* * The Port either has no active PHYs. * Consider that if the port had any active PHYs we would have @@ -608,10 +583,10 @@ static void scic_sds_apc_agent_configure_ports( switch (apc_activity) { case SCIC_SDS_APC_ADD_PHY: - status = scic_sds_port_add_phy(port, phy); + status = scic_sds_port_add_phy(port, iphy); if (status == SCI_SUCCESS) { - port_agent->phy_configured_mask |= (1 << phy->phy_index); + port_agent->phy_configured_mask |= (1 << iphy->phy_index); } break; @@ -651,14 +626,14 @@ static void scic_sds_apc_agent_configure_ports( static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic, struct scic_sds_port_configuration_agent *port_agent, struct scic_sds_port *sci_port, - struct scic_sds_phy *sci_phy) + struct isci_phy *iphy) { - u8 phy_index = sci_phy->phy_index; + u8 phy_index = iphy->phy_index; if (!sci_port) { /* the phy is not the part of this port */ port_agent->phy_ready_mask |= 1 << phy_index; - scic_sds_apc_agent_configure_ports(scic, port_agent, sci_phy, true); + scic_sds_apc_agent_configure_ports(scic, port_agent, iphy, true); } else { /* the phy is already the part of the port */ u32 port_state = sci_port->sm.current_state_id; @@ -669,7 +644,7 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic, */ BUG_ON(port_state != SCI_PORT_RESETTING); port_agent->phy_ready_mask |= 1 << phy_index; - scic_sds_port_link_up(sci_port, sci_phy); + scic_sds_port_link_up(sci_port, iphy); } } @@ -690,18 +665,18 @@ static void scic_sds_apc_agent_link_down( struct scic_sds_controller *controller, struct scic_sds_port_configuration_agent *port_agent, struct scic_sds_port *port, - struct scic_sds_phy *phy) + struct isci_phy *iphy) { - port_agent->phy_ready_mask &= ~(1 << scic_sds_phy_get_index(phy)); + port_agent->phy_ready_mask &= ~(1 << scic_sds_phy_get_index(iphy)); if (port != NULL) { - if (port_agent->phy_configured_mask & (1 << phy->phy_index)) { + if (port_agent->phy_configured_mask & (1 << iphy->phy_index)) { enum sci_status status; - status = scic_sds_port_remove_phy(port, phy); + status = scic_sds_port_remove_phy(port, iphy); if (status == SCI_SUCCESS) { - port_agent->phy_configured_mask &= ~(1 << phy->phy_index); + port_agent->phy_configured_mask &= ~(1 << iphy->phy_index); } } } @@ -739,7 +714,7 @@ static void apc_agent_timeout(unsigned long data) continue; scic_sds_apc_agent_configure_ports(scic, port_agent, - &ihost->phys[index].sci, false); + &ihost->phys[index], false); } done: diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index c7cb0c54df5..a81a864d35c 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -1389,7 +1389,7 @@ int isci_remote_device_found(struct domain_device *domain_dev) sas_port = domain_dev->port; sas_phy = list_first_entry(&sas_port->phy_list, struct asd_sas_phy, port_phy_el); - isci_phy = to_isci_phy(sas_phy); + isci_phy = to_iphy(sas_phy); isci_port = isci_phy->isci_port; /* we are being called for a device on this port, |