diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/isci/phy.c | 574 | ||||
| -rw-r--r-- | drivers/scsi/isci/phy.h | 36 |
2 files changed, 83 insertions, 527 deletions
diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index 0ffb5d5a860..9a5ec375f76 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -505,16 +505,53 @@ enum sci_status scic_sds_phy_reset(struct scic_sds_phy *sci_phy) return SCI_SUCCESS; } -/** - * This method will give the phy permission to consume power - * @sci_phy: - * - * enum sci_status - */ -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 scic_sds_phy *sci_phy) { - return sci_phy->state_handlers->consume_power_handler(sci_phy); + enum scic_sds_phy_states state = sci_phy->state_machine.current_state_id; + + switch (state) { + case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER: { + u32 enable_spinup; + + enable_spinup = readl(&sci_phy->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); + + /* Change state to the final state this substate machine has run to completion */ + sci_base_state_machine_change_state(&sci_phy->state_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL); + + return SCI_SUCCESS; + } + case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_POWER: { + u32 scu_sas_pcfg_value; + + /* Release the spinup hold state and reset the OOB state machine */ + scu_sas_pcfg_value = + readl(&sci_phy->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); + + /* 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); + + /* Change state to the final state this substate machine has run to completion */ + sci_base_state_machine_change_state(&sci_phy->state_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN); + + return SCI_SUCCESS; + } + default: + dev_dbg(sciphy_to_dev(sci_phy), + "%s: in wrong state: %d\n", __func__, state); + return SCI_FAILURE_INVALID_STATE; + } } /* @@ -592,76 +629,6 @@ static void scic_sds_phy_complete_link_training( next_state); } -/* - * This method is called by the struct scic_sds_controller when the phy object is - * granted power. - The notify enable spinups are turned on for this phy object - * - The phy state machine is transitioned to the - * SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL. enum sci_status SCI_SUCCESS - */ -static enum sci_status scic_sds_phy_starting_substate_await_sas_power_consume_power_handler( - struct scic_sds_phy *sci_phy) -{ - u32 enable_spinup; - - enable_spinup = readl(&sci_phy->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); - - /* Change state to the final state this substate machine has run to completion */ - sci_base_state_machine_change_state(&sci_phy->state_machine, - SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL); - - return SCI_SUCCESS; -} - -/* - * This method is called by the struct scic_sds_controller when the phy object is - * granted power. - The phy state machine is transitioned to the - * SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN. enum sci_status SCI_SUCCESS - */ -static enum sci_status scic_sds_phy_starting_substate_await_sata_power_consume_power_handler( - struct scic_sds_phy *sci_phy) -{ - u32 scu_sas_pcfg_value; - - /* Release the spinup hold state and reset the OOB state machine */ - scu_sas_pcfg_value = - readl(&sci_phy->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); - - /* 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); - - /* Change state to the final state this substate machine has run to completion */ - sci_base_state_machine_change_state(&sci_phy->state_machine, - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN); - - return SCI_SUCCESS; -} - -static enum sci_status default_phy_handler(struct scic_sds_phy *sci_phy, - const char *func) -{ - dev_dbg(sciphy_to_dev(sci_phy), - "%s: in wrong state: %d\n", func, - sci_base_state_machine_get_state(&sci_phy->state_machine)); - return SCI_FAILURE_INVALID_STATE; -} - -static enum sci_status -scic_sds_phy_default_consume_power_handler(struct scic_sds_phy *sci_phy) -{ - return default_phy_handler(sci_phy, __func__); -} - - enum sci_status scic_sds_phy_event_handler(struct scic_sds_phy *sci_phy, u32 event_code) { @@ -1059,287 +1026,71 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, } - - -/* --------------------------------------------------------------------------- */ - -static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[] = { - [SCI_BASE_PHY_STATE_INITIAL] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCI_BASE_PHY_STATE_STOPPED] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCI_BASE_PHY_STATE_STARTING] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_SPEED_EN] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_IAF_UF] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER] = { - .consume_power_handler = scic_sds_phy_starting_substate_await_sas_power_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_POWER] = { - .consume_power_handler = scic_sds_phy_starting_substate_await_sata_power_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCI_BASE_PHY_STATE_READY] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCI_BASE_PHY_STATE_RESETTING] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - }, - [SCI_BASE_PHY_STATE_FINAL] = { - .consume_power_handler = scic_sds_phy_default_consume_power_handler - } -}; - -/* - * **************************************************************************** - * * PHY STARTING SUBSTATE METHODS - * **************************************************************************** */ - -/** - * scic_sds_phy_starting_initial_substate_enter - - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL. - The initial state - * handlers are put in place for the struct scic_sds_phy object. - The state is - * changed to the wait phy type event notification. none - */ static void scic_sds_phy_starting_initial_substate_enter(void *object) { struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers( - sci_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL); - /* This is just an temporary state go off to the starting state */ sci_base_state_machine_change_state(&sci_phy->state_machine, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_PHY_TYPE_EN. - Set the - * struct scic_sds_phy object state handlers for this state. none - */ -static void scic_sds_phy_starting_await_ossp_en_substate_enter(void *object) -{ - struct scic_sds_phy *sci_phy = object; - - scic_sds_phy_set_base_state_handlers( - sci_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN - ); -} - -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SPEED_EN. - Set the - * struct scic_sds_phy object state handlers for this state. none - */ -static void scic_sds_phy_starting_await_sas_speed_en_substate_enter( - void *object) -{ - struct scic_sds_phy *sci_phy = object; - - scic_sds_phy_set_base_state_handlers( - sci_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_SPEED_EN - ); -} - -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_IAF_UF. - Set the - * struct scic_sds_phy object state handlers for this state. none - */ -static void scic_sds_phy_starting_await_iaf_uf_substate_enter(void *object) -{ - struct scic_sds_phy *sci_phy = object; - - scic_sds_phy_set_base_state_handlers( - sci_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_IAF_UF - ); -} - -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER. - Set the - * struct scic_sds_phy object state handlers for this state. - Add this phy object to - * the power control queue none - */ static void scic_sds_phy_starting_await_sas_power_substate_enter(void *object) { struct scic_sds_phy *sci_phy = object; + struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; - scic_sds_phy_set_base_state_handlers( - sci_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER - ); - - scic_sds_controller_power_control_queue_insert( - scic_sds_phy_get_controller(sci_phy), - sci_phy - ); + scic_sds_controller_power_control_queue_insert(scic, sci_phy); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on exiting - * the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER. - Remove the - * struct scic_sds_phy object from the power control queue. none - */ static void scic_sds_phy_starting_await_sas_power_substate_exit(void *object) { struct scic_sds_phy *sci_phy = object; + struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; - scic_sds_controller_power_control_queue_remove( - scic_sds_phy_get_controller(sci_phy), sci_phy - ); + scic_sds_controller_power_control_queue_remove(scic, sci_phy); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_POWER. - Set the - * struct scic_sds_phy object state handlers for this state. - Add this phy object to - * the power control queue none - */ static void scic_sds_phy_starting_await_sata_power_substate_enter(void *object) { struct scic_sds_phy *sci_phy = object; + struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; - scic_sds_phy_set_base_state_handlers( - sci_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_POWER - ); - - scic_sds_controller_power_control_queue_insert( - scic_sds_phy_get_controller(sci_phy), - sci_phy - ); + scic_sds_controller_power_control_queue_insert(scic, sci_phy); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on exiting - * the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_POWER. - Remove the - * struct scic_sds_phy object from the power control queue. none - */ static void scic_sds_phy_starting_await_sata_power_substate_exit(void *object) { struct scic_sds_phy *sci_phy = object; + struct scic_sds_controller *scic = sci_phy->owning_port->owning_controller; - scic_sds_controller_power_control_queue_remove( - scic_sds_phy_get_controller(sci_phy), - sci_phy - ); + scic_sds_controller_power_control_queue_remove(scic, sci_phy); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This function will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN. - Set the - * struct scic_sds_phy object state handlers for this state. none - */ static void scic_sds_phy_starting_await_sata_phy_substate_enter(void *object) { struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers( - sci_phy, - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN); - isci_timer_start(sci_phy->sata_timeout_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy - * on exiting - * the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN. - stop the timer - * that was started on entry to await sata phy event notification none - */ -static inline void scic_sds_phy_starting_await_sata_phy_substate_exit( - void *object) +static void scic_sds_phy_starting_await_sata_phy_substate_exit(void *object) { struct scic_sds_phy *sci_phy = object; isci_timer_stop(sci_phy->sata_timeout_timer); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN. - Set the - * struct scic_sds_phy object state handlers for this state. none - */ static void scic_sds_phy_starting_await_sata_speed_substate_enter(void *object) { struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers( - sci_phy, - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN); - isci_timer_start(sci_phy->sata_timeout_timer, SCIC_SDS_SATA_LINK_TRAINING_TIMEOUT); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This function will perform the actions required by the - * struct scic_sds_phy on exiting - * the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN. - stop the timer - * that was started on entry to await sata phy event notification none - */ -static inline void scic_sds_phy_starting_await_sata_speed_substate_exit( +static void scic_sds_phy_starting_await_sata_speed_substate_exit( void *object) { struct scic_sds_phy *sci_phy = object; @@ -1347,30 +1098,12 @@ static inline void scic_sds_phy_starting_await_sata_speed_substate_exit( isci_timer_stop(sci_phy->sata_timeout_timer); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This function will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF. - Set the - * struct scic_sds_phy object state handlers for this state. - * - Start the SIGNATURE FIS - * timeout timer none - */ static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(void *object) { - bool continue_to_ready_state; struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers( - sci_phy, - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF); - - continue_to_ready_state = scic_sds_port_link_detected( - sci_phy->owning_port, - sci_phy); + if (scic_sds_port_link_detected(sci_phy->owning_port, sci_phy)) { - if (continue_to_ready_state) { /* * Clear the PE suspend condition so we can actually * receive SIG FIS @@ -1385,39 +1118,17 @@ static void scic_sds_phy_starting_await_sig_fis_uf_substate_enter(void *object) sci_phy->is_in_link_training = false; } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This function will perform the actions required by the - * struct scic_sds_phy on exiting - * the SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF. - Stop the SIGNATURE - * FIS timeout timer. none - */ -static inline void scic_sds_phy_starting_await_sig_fis_uf_substate_exit( - void *object) +static void scic_sds_phy_starting_await_sig_fis_uf_substate_exit(void *object) { struct scic_sds_phy *sci_phy = object; isci_timer_stop(sci_phy->sata_timeout_timer); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL. - Set the struct scic_sds_phy - * object state handlers for this state. - Change base state machine to the - * ready state. none - */ static void scic_sds_phy_starting_final_substate_enter(void *object) { struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers(sci_phy, - SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL); - /* State machine has run to completion so exit out and change * the base state machine to the ready state */ @@ -1425,11 +1136,6 @@ static void scic_sds_phy_starting_final_substate_enter(void *object) SCI_BASE_PHY_STATE_READY); } -/* - * **************************************************************************** - * * PHY STATE PRIVATE METHODS - * **************************************************************************** */ - /** * * @sci_phy: This is the struct scic_sds_phy object to stop. @@ -1511,49 +1217,17 @@ static void scu_link_layer_tx_hard_reset( &sci_phy->link_layer_registers->phy_configuration); } -/* - * **************************************************************************** - * * PHY BASE STATE METHODS - * **************************************************************************** */ - -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCI_BASE_PHY_STATE_INITIAL. - This function sets the state - * handlers for the phy object base state machine initial state. none - */ -static void scic_sds_phy_initial_state_enter(void *object) -{ - struct scic_sds_phy *sci_phy = object; - - scic_sds_phy_set_base_state_handlers(sci_phy, SCI_BASE_PHY_STATE_INITIAL); -} - -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This function will perform the actions required by the struct scic_sds_phy on - * entering the SCI_BASE_PHY_STATE_INITIAL. - This function sets the state - * handlers for the phy object base state machine initial state. - The SCU - * hardware is requested to stop the protocol engine. none - */ static void scic_sds_phy_stopped_state_enter(void *object) { struct scic_sds_phy *sci_phy = object; - struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy); + struct scic_sds_port *sci_port = sci_phy->owning_port; + struct scic_sds_controller *scic = sci_port->owning_controller; struct isci_host *ihost = scic_to_ihost(scic); /* * @todo We need to get to the controller to place this PE in a * reset state */ - - scic_sds_phy_set_base_state_handlers(sci_phy, - SCI_BASE_PHY_STATE_STOPPED); - if (sci_phy->sata_timeout_timer != NULL) { isci_del_timer(ihost, sci_phy->sata_timeout_timer); @@ -1562,32 +1236,16 @@ static void scic_sds_phy_stopped_state_enter(void *object) scu_link_layer_stop_protocol_engine(sci_phy); - if (sci_phy->state_machine.previous_state_id != - SCI_BASE_PHY_STATE_INITIAL) - scic_sds_controller_link_down( - scic_sds_phy_get_controller(sci_phy), - scic_sds_phy_get_port(sci_phy), - sci_phy); + if (sci_phy->state_machine.previous_state_id != SCI_BASE_PHY_STATE_INITIAL) + scic_sds_controller_link_down(scic_sds_phy_get_controller(sci_phy), + scic_sds_phy_get_port(sci_phy), + sci_phy); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCI_BASE_PHY_STATE_STARTING. - This function sets the state - * handlers for the phy object base state machine starting state. - The SCU - * hardware is requested to start OOB/SN on this protocl engine. - The phy - * starting substate machine is started. - If the previous state was the ready - * state then the struct scic_sds_controller is informed that the phy has gone link - * down. none - */ static void scic_sds_phy_starting_state_enter(void *object) { struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers(sci_phy, SCI_BASE_PHY_STATE_STARTING); - scu_link_layer_stop_protocol_engine(sci_phy); scu_link_layer_start_oob(sci_phy); @@ -1595,50 +1253,25 @@ static void scic_sds_phy_starting_state_enter(void *object) sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN; sci_phy->bcn_received_while_port_unassigned = false; - if (sci_phy->state_machine.previous_state_id - == SCI_BASE_PHY_STATE_READY) { - scic_sds_controller_link_down( - scic_sds_phy_get_controller(sci_phy), - scic_sds_phy_get_port(sci_phy), - sci_phy - ); - } + if (sci_phy->state_machine.previous_state_id == SCI_BASE_PHY_STATE_READY) + scic_sds_controller_link_down(scic_sds_phy_get_controller(sci_phy), + scic_sds_phy_get_port(sci_phy), + sci_phy); sci_base_state_machine_change_state(&sci_phy->state_machine, SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCI_BASE_PHY_STATE_READY. - This function sets the state - * handlers for the phy object base state machine ready state. - The SCU - * hardware protocol engine is resumed. - The struct scic_sds_controller is informed - * that the phy object has gone link up. none - */ static void scic_sds_phy_ready_state_enter(void *object) { struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers(sci_phy, SCI_BASE_PHY_STATE_READY); + scic_sds_controller_link_up(scic_sds_phy_get_controller(sci_phy), + scic_sds_phy_get_port(sci_phy), + sci_phy); - scic_sds_controller_link_up( - scic_sds_phy_get_controller(sci_phy), - scic_sds_phy_get_port(sci_phy), - sci_phy - ); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on exiting - * the SCI_BASE_PHY_STATE_INITIAL. This function suspends the SCU hardware - * protocol engine represented by this struct scic_sds_phy object. none - */ static void scic_sds_phy_ready_state_exit(void *object) { struct scic_sds_phy *sci_phy = object; @@ -1646,62 +1279,29 @@ static void scic_sds_phy_ready_state_exit(void *object) scic_sds_phy_suspend(sci_phy); } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCI_BASE_PHY_STATE_RESETTING. - This function sets the state - * handlers for the phy object base state machine resetting state. none - */ static void scic_sds_phy_resetting_state_enter(void *object) { struct scic_sds_phy *sci_phy = object; - scic_sds_phy_set_base_state_handlers(sci_phy, SCI_BASE_PHY_STATE_RESETTING); - - /* - * 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. */ + /* 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); if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) { scu_link_layer_tx_hard_reset(sci_phy); } else { - /* - * The SCU does not need to have a discrete reset state so + /* The SCU does not need to have a discrete reset state so * just go back to the starting state. */ - sci_base_state_machine_change_state( - &sci_phy->state_machine, - SCI_BASE_PHY_STATE_STARTING); + sci_base_state_machine_change_state(&sci_phy->state_machine, + SCI_BASE_PHY_STATE_STARTING); } } -/** - * - * @object: This is the object which is cast to a struct scic_sds_phy object. - * - * This method will perform the actions required by the struct scic_sds_phy on - * entering the SCI_BASE_PHY_STATE_FINAL. - This function sets the state - * handlers for the phy object base state machine final state. none - */ -static void scic_sds_phy_final_state_enter(void *object) -{ - struct scic_sds_phy *sci_phy = object; - - scic_sds_phy_set_base_state_handlers(sci_phy, SCI_BASE_PHY_STATE_FINAL); - - /* Nothing to do here */ -} - -/* --------------------------------------------------------------------------- */ - static const struct sci_base_state scic_sds_phy_state_table[] = { - [SCI_BASE_PHY_STATE_INITIAL] = { - .enter_state = scic_sds_phy_initial_state_enter, - }, + [SCI_BASE_PHY_STATE_INITIAL] = { }, [SCI_BASE_PHY_STATE_STOPPED] = { .enter_state = scic_sds_phy_stopped_state_enter, }, @@ -1711,15 +1311,9 @@ static const struct sci_base_state scic_sds_phy_state_table[] = { [SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL] = { .enter_state = scic_sds_phy_starting_initial_substate_enter, }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN] = { - .enter_state = scic_sds_phy_starting_await_ossp_en_substate_enter, - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_SPEED_EN] = { - .enter_state = scic_sds_phy_starting_await_sas_speed_en_substate_enter, - }, - [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_IAF_UF] = { - .enter_state = scic_sds_phy_starting_await_iaf_uf_substate_enter, - }, + [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN] = { }, + [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_SPEED_EN] = { }, + [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_IAF_UF] = { }, [SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER] = { .enter_state = scic_sds_phy_starting_await_sas_power_substate_enter, .exit_state = scic_sds_phy_starting_await_sas_power_substate_exit, @@ -1750,9 +1344,7 @@ static const struct sci_base_state scic_sds_phy_state_table[] = { [SCI_BASE_PHY_STATE_RESETTING] = { .enter_state = scic_sds_phy_resetting_state_enter, }, - [SCI_BASE_PHY_STATE_FINAL] = { - .enter_state = scic_sds_phy_final_state_enter, - }, + [SCI_BASE_PHY_STATE_FINAL] = { }, }; void scic_sds_phy_construct(struct scic_sds_phy *sci_phy, diff --git a/drivers/scsi/isci/phy.h b/drivers/scsi/isci/phy.h index a95c74e5869..57708550a18 100644 --- a/drivers/scsi/isci/phy.h +++ b/drivers/scsi/isci/phy.h @@ -140,8 +140,6 @@ struct scic_sds_phy { */ void *sata_timeout_timer; - const struct scic_sds_phy_state_handler *state_handlers; - /** * This field is the pointer to the transport layer register for the SCU * hardware. @@ -504,20 +502,6 @@ enum scic_sds_phy_states { SCI_BASE_PHY_STATE_FINAL, }; - -typedef enum sci_status (*scic_sds_phy_handler_t)(struct scic_sds_phy *); -typedef enum sci_status (*scic_sds_phy_event_handler_t)(struct scic_sds_phy *, u32); -typedef enum sci_status (*scic_sds_phy_frame_handler_t)(struct scic_sds_phy *, u32); -typedef enum sci_status (*scic_sds_phy_power_handler_t)(struct scic_sds_phy *); - -struct scic_sds_phy_state_handler { - /** - * The state handler for staggered spinup. - */ - scic_sds_phy_power_handler_t consume_power_handler; - -}; - /** * scic_sds_phy_get_index() - * @@ -535,26 +519,6 @@ struct scic_sds_phy_state_handler { #define scic_sds_phy_get_controller(phy) \ (scic_sds_port_get_controller((phy)->owning_port)) -/** - * scic_sds_phy_set_state_handlers() - This macro sets the state handlers for - * this phy object - * - * - */ -#define scic_sds_phy_set_state_handlers(phy, handlers) \ - ((phy)->state_handlers = (handlers)) - -/** - * scic_sds_phy_set_base_state_handlers() - - * - * This macro set the base state handlers for the phy object. - */ -#define scic_sds_phy_set_base_state_handlers(phy, state_id) \ - scic_sds_phy_set_state_handlers(\ - (phy), \ - &scic_sds_phy_state_handler_table[(state_id)] \ - ) - void scic_sds_phy_construct( struct scic_sds_phy *this_phy, struct scic_sds_port *owning_port, |