diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_controller.c | 259 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_controller.h | 9 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_phy.c | 400 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_phy.h | 48 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_port.c | 424 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_port.h | 16 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_remote_device.c | 508 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_remote_device.h | 16 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_remote_node_context.h | 3 |
9 files changed, 389 insertions, 1294 deletions
diff --git a/drivers/scsi/isci/core/scic_sds_controller.c b/drivers/scsi/isci/core/scic_sds_controller.c index eaaa4cc..7d25a0a 100644 --- a/drivers/scsi/isci/core/scic_sds_controller.c +++ b/drivers/scsi/isci/core/scic_sds_controller.c @@ -739,9 +739,8 @@ static void scic_sds_controller_transition_to_ready( * We move into the ready state, because some of the phys/ports * may be up and operational. */ - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_READY); + sci_base_state_machine_change_state(&scic->parent.state_machine, + SCI_BASE_CONTROLLER_STATE_READY); isci_host_start_complete(ihost, status); } @@ -751,18 +750,12 @@ void scic_sds_controller_timeout_handler(void *_scic) { struct scic_sds_controller *scic = _scic; struct isci_host *ihost = sci_object_get_association(scic); - enum sci_base_controller_states current_state; - - current_state = sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine(scic)); + struct sci_base_state_machine *sm = &scic->parent.state_machine; - if (current_state == SCI_BASE_CONTROLLER_STATE_STARTING) { - scic_sds_controller_transition_to_ready( - scic, SCI_FAILURE_TIMEOUT); - } else if (current_state == SCI_BASE_CONTROLLER_STATE_STOPPING) { - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_FAILED); + if (sm->current_state_id == SCI_BASE_CONTROLLER_STATE_STARTING) + scic_sds_controller_transition_to_ready(scic, SCI_FAILURE_TIMEOUT); + else if (sm->current_state_id == SCI_BASE_CONTROLLER_STATE_STOPPING) { + sci_base_state_machine_change_state(sm, SCI_BASE_CONTROLLER_STATE_FAILED); isci_host_stop_complete(ihost, SCI_FAILURE_TIMEOUT); } else /* / @todo Now what do we want to do in this case? */ dev_err(scic_to_dev(scic), @@ -1619,16 +1612,15 @@ void scic_sds_controller_error_handler(struct scic_sds_controller *scic) dev_err(scic_to_dev(scic), "%s: status: %#x\n", __func__, interrupt_status); - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_FAILED); + sci_base_state_machine_change_state(&scic->parent.state_machine, + SCI_BASE_CONTROLLER_STATE_FAILED); return; } - /* - * If we dont process any completions I am not sure that we want to do this. - * We are in the middle of a hardware fault and should probably be reset. */ + /* If we dont process any completions I am not sure that we want to do this. + * We are in the middle of a hardware fault and should probably be reset. + */ SMU_IMR_WRITE(scic, 0x00000000); } @@ -1655,12 +1647,8 @@ void scic_sds_controller_link_up( else dev_dbg(scic_to_dev(scic), "%s: SCIC Controller linkup event from phy %d in " - "unexpected state %d\n", - __func__, - sci_phy->phy_index, - sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine( - scic))); + "unexpected state %d\n", __func__, sci_phy->phy_index, + state); } @@ -2125,11 +2113,7 @@ enum sci_status scic_controller_initialize( else dev_warn(scic_to_dev(scic), "%s: SCIC Controller initialize operation requested " - "in invalid state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine( - scic))); + "in invalid state %d\n", __func__, state); return status; } @@ -2180,11 +2164,7 @@ enum sci_status scic_controller_start( else dev_warn(scic_to_dev(scic), "%s: SCIC Controller start operation requested in " - "invalid state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine( - scic))); + "invalid state %d\n", __func__, state); return status; } @@ -2207,11 +2187,7 @@ enum sci_status scic_controller_stop( else dev_warn(scic_to_dev(scic), "%s: SCIC Controller stop operation requested in " - "invalid state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine( - scic))); + "invalid state %d\n", __func__, state); return status; } @@ -2233,11 +2209,7 @@ enum sci_status scic_controller_reset( else dev_warn(scic_to_dev(scic), "%s: SCIC Controller reset operation requested in " - "invalid state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine( - scic))); + "invalid state %d\n", __func__, state); return status; } @@ -2765,128 +2737,57 @@ struct scic_sds_controller *scic_controller_alloc(struct device *dev) return devm_kzalloc(dev, sizeof(struct scic_sds_controller), GFP_KERNEL); } -/* - * ***************************************************************************** - * * DEFAULT STATE HANDLERS - * ***************************************************************************** */ +static enum sci_status default_controller_handler(struct sci_base_controller *base_scic, + const char *func) +{ + struct scic_sds_controller *scic = container_of(base_scic, typeof(*scic), parent); + u32 state = base_scic->state_machine.current_state_id; + + dev_warn(scic_to_dev(scic), "%s: invalid state %d\n", func, state); + + return SCI_FAILURE_INVALID_STATE; +} -/** - * - * @controller: This is struct sci_base_controller object which is cast into a - * struct scic_sds_controller object. - * @remote_device: This is struct sci_base_remote_device which, if it was used, would - * be cast to a struct scic_sds_remote_device. - * @io_request: This is the struct sci_base_request which, if it was used, would be - * cast to a SCIC_SDS_IO_REQUEST. - * @io_tag: This is the IO tag to be assigned to the IO request or - * SCI_CONTROLLER_INVALID_IO_TAG. - * - * This method is called when the struct scic_sds_controller default start io/task - * handler is in place. - Issue a warning message enum sci_status - * SCI_FAILURE_INVALID_STATE - */ static enum sci_status scic_sds_controller_default_start_operation_handler( - struct sci_base_controller *controller, + struct sci_base_controller *base_scic, struct sci_base_remote_device *remote_device, struct sci_base_request *io_request, u16 io_tag) { - struct scic_sds_controller *this_controller; - - this_controller = (struct scic_sds_controller *)controller; - - dev_warn(scic_to_dev(this_controller), - "%s: SCIC Controller requested to start an io/task from " - "invalid state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine( - this_controller))); - - return SCI_FAILURE_INVALID_STATE; + return default_controller_handler(base_scic, __func__); } -/** - * - * @controller: This is struct sci_base_controller object which is cast into a - * struct scic_sds_controller object. - * @remote_device: This is struct sci_base_remote_device which, if it was used, would - * be cast to a struct scic_sds_remote_device. - * @io_request: This is the struct sci_base_request which, if it was used, would be - * cast to a SCIC_SDS_IO_REQUEST. - * - * This method is called when the struct scic_sds_controller default request handler - * is in place. - Issue a warning message enum sci_status SCI_FAILURE_INVALID_STATE - */ static enum sci_status scic_sds_controller_default_request_handler( - struct sci_base_controller *controller, + struct sci_base_controller *base_scic, struct sci_base_remote_device *remote_device, struct sci_base_request *io_request) { - struct scic_sds_controller *this_controller; - - this_controller = (struct scic_sds_controller *)controller; - - dev_warn(scic_to_dev(this_controller), - "%s: SCIC Controller request operation from invalid state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_controller_get_base_state_machine( - this_controller))); - - return SCI_FAILURE_INVALID_STATE; + return default_controller_handler(base_scic, __func__); } -/* - * ***************************************************************************** - * * GENERAL (COMMON) STATE HANDLERS - * ***************************************************************************** */ - -/** - * - * @controller: The struct sci_base_controller object which is cast into a - * struct scic_sds_controller object. - * - * This method is called when the struct scic_sds_controller is in the ready state - * reset handler is in place. - Transition to - * SCI_BASE_CONTROLLER_STATE_RESETTING enum sci_status SCI_SUCCESS - */ -static enum sci_status scic_sds_controller_general_reset_handler( - struct sci_base_controller *controller) +static enum sci_status scic_sds_controller_general_reset_handler(struct sci_base_controller *base_scic) { - struct scic_sds_controller *this_controller; - - this_controller = (struct scic_sds_controller *)controller; - - /* - * The reset operation is not a graceful cleanup just perform the state - * transition. */ - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(this_controller), - SCI_BASE_CONTROLLER_STATE_RESETTING - ); + /* The reset operation is not a graceful cleanup just perform the state + * transition. + */ + sci_base_state_machine_change_state(&base_scic->state_machine, + SCI_BASE_CONTROLLER_STATE_RESETTING); return SCI_SUCCESS; } -/* - * ***************************************************************************** - * * RESET STATE HANDLERS - * ***************************************************************************** */ - static enum sci_status scic_sds_controller_reset_state_initialize_handler(struct sci_base_controller *base_scic) { + struct sci_base_state_machine *sm = &base_scic->state_machine; enum sci_status result = SCI_SUCCESS; struct scic_sds_controller *scic; struct isci_host *ihost; - u32 index; + u32 index, state; scic = container_of(base_scic, typeof(*scic), parent); ihost = sci_object_get_association(scic); - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_INITIALIZING); + sci_base_state_machine_change_state(sm, SCI_BASE_CONTROLLER_STATE_INITIALIZING); scic->timeout_timer = isci_timer_create(ihost, scic, @@ -3028,13 +2929,10 @@ static enum sci_status scic_sds_controller_reset_state_initialize_handler(struct /* Advance the controller state machine */ if (result == SCI_SUCCESS) - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_INITIALIZED); + state = SCI_BASE_CONTROLLER_STATE_INITIALIZED; else - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_FAILED); + state = SCI_BASE_CONTROLLER_STATE_FAILED; + sci_base_state_machine_change_state(sm, state); return result; } @@ -3065,14 +2963,14 @@ static enum sci_status scic_sds_controller_reset_state_initialize_handler(struct * descriptor fields is invalid. */ static enum sci_status scic_sds_controller_initialized_state_start_handler( - struct sci_base_controller *controller, + struct sci_base_controller *base_scic, u32 timeout) { u16 index; enum sci_status result; struct scic_sds_controller *scic; - scic = (struct scic_sds_controller *)controller; + scic = container_of(base_scic, typeof(*scic), parent); /* * Make sure that the SCI User filled in the memory descriptor @@ -3135,9 +3033,8 @@ static enum sci_status scic_sds_controller_initialized_state_start_handler( isci_timer_start(scic->timeout_timer, timeout); - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_STARTING); + sci_base_state_machine_change_state(&base_scic->state_machine, + SCI_BASE_CONTROLLER_STATE_STARTING); } return result; @@ -3197,33 +3094,15 @@ static void scic_sds_controller_starting_state_link_down_handler( /* scic_sds_port_link_down(port, phy); */ } -/* - * ***************************************************************************** - * * READY STATE HANDLERS - * ***************************************************************************** */ - -/** - * - * @controller: The struct sci_base_controller object which is cast into a - * struct scic_sds_controller object. - * @timeout: The timeout for when the stop operation should report a failure. - * - * This method is called when the struct scic_sds_controller is in the ready state - * stop handler is called. - Start the timeout timer - Transition to - * SCI_BASE_CONTROLLER_STATE_STOPPING. enum sci_status SCI_SUCCESS - */ -static enum sci_status scic_sds_controller_ready_state_stop_handler( - struct sci_base_controller *controller, - u32 timeout) +static enum sci_status scic_sds_controller_ready_state_stop_handler(struct sci_base_controller *base_scic, + u32 timeout) { - struct scic_sds_controller *scic = - (struct scic_sds_controller *)controller; + struct scic_sds_controller *scic; + scic = container_of(base_scic, typeof(*scic), parent); isci_timer_start(scic->timeout_timer, timeout); - - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(scic), - SCI_BASE_CONTROLLER_STATE_STOPPING); + sci_base_state_machine_change_state(&base_scic->state_machine, + SCI_BASE_CONTROLLER_STATE_STOPPING); return SCI_SUCCESS; } @@ -3749,33 +3628,16 @@ static inline void scic_sds_controller_stopping_state_exit( isci_timer_stop(scic->timeout_timer); } -/** - * - * @object: This is the struct sci_base_object which is cast to a struct scic_sds_controller - * object. - * - * This method implements the actions taken by the struct scic_sds_controller on entry - * to the SCI_BASE_CONTROLLER_STATE_RESETTING. - Set the state handlers to the - * controllers resetting state. - Write to the SCU hardware reset register to - * force a reset - Transition to the SCI_BASE_CONTROLLER_STATE_RESET none - */ -static void scic_sds_controller_resetting_state_enter( - struct sci_base_object *object) +static void scic_sds_controller_resetting_state_enter(struct sci_base_object *object) { - struct scic_sds_controller *this_controller; - - this_controller = (struct scic_sds_controller *)object; - - scic_sds_controller_reset_hardware(this_controller); + struct scic_sds_controller *scic; - sci_base_state_machine_change_state( - scic_sds_controller_get_base_state_machine(this_controller), - SCI_BASE_CONTROLLER_STATE_RESET - ); + scic = container_of(object, typeof(*scic), parent.parent); + scic_sds_controller_reset_hardware(scic); + sci_base_state_machine_change_state(&scic->parent.state_machine, + SCI_BASE_CONTROLLER_STATE_RESET); } -/* --------------------------------------------------------------------------- */ - const struct sci_base_state scic_sds_controller_state_table[] = { [SCI_BASE_CONTROLLER_STATE_INITIAL] = { .enter_state = scic_sds_controller_initial_state_enter, @@ -3800,4 +3662,3 @@ const struct sci_base_state scic_sds_controller_state_table[] = { [SCI_BASE_CONTROLLER_STATE_STOPPED] = {}, [SCI_BASE_CONTROLLER_STATE_FAILED] = {} }; - diff --git a/drivers/scsi/isci/core/scic_sds_controller.h b/drivers/scsi/isci/core/scic_sds_controller.h index f426324..aa2698b 100644 --- a/drivers/scsi/isci/core/scic_sds_controller.h +++ b/drivers/scsi/isci/core/scic_sds_controller.h @@ -421,15 +421,6 @@ extern const struct sci_base_state scic_sds_controller_state_table[]; } /** - * scic_sds_controller_get_base_state_machine() - - * - * This is a helper macro that gets the base state machine for the controller - * object - */ -#define scic_sds_controller_get_base_state_machine(this_controller) \ - (&(this_controller)->parent.state_machine) - -/** * scic_sds_controller_get_port_configuration_agent() - * * This is a helper macro to get the port configuration agent from the diff --git a/drivers/scsi/isci/core/scic_sds_phy.c b/drivers/scsi/isci/core/scic_sds_phy.c index 225e67a..e546e20 100644 --- a/drivers/scsi/isci/core/scic_sds_phy.c +++ b/drivers/scsi/isci/core/scic_sds_phy.c @@ -246,7 +246,7 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy, 0x1F4); /* We can exit the initial state to the stopped state */ - sci_base_state_machine_change_state(scic_sds_phy_get_base_state_machine(sci_phy), + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, SCI_BASE_PHY_STATE_STOPPED); return SCI_SUCCESS; @@ -267,13 +267,10 @@ void scic_sds_phy_sata_timeout(void *phy) __func__, sci_phy); - sci_base_state_machine_stop( - scic_sds_phy_get_starting_substate_machine(sci_phy)); + sci_base_state_machine_stop(&sci_phy->starting_substate_machine); - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(sci_phy), - SCI_BASE_PHY_STATE_STARTING - ); + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, + SCI_BASE_PHY_STATE_STARTING); } /** @@ -390,9 +387,8 @@ enum sci_status scic_sds_phy_initialize( /* * There is nothing that needs to be done in this state just * transition to the stopped state. */ - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(sci_phy), - SCI_BASE_PHY_STATE_STOPPED); + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, + SCI_BASE_PHY_STATE_STOPPED); return SCI_SUCCESS; } @@ -716,9 +712,9 @@ static void scic_sds_phy_start_sata_link_training( } /** - * This method performs processing common to all protocols upon completion of - * link training. - * @this_phy: This parameter specifies the phy object for which link training + * scic_sds_phy_complete_link_training - perform processing common to + * all protocols upon completion of link training. + * @sci_phy: This parameter specifies the phy object for which link training * has completed. * @max_link_rate: This parameter specifies the maximum link rate to be * associated with this phy. @@ -727,37 +723,25 @@ static void scic_sds_phy_start_sata_link_training( * */ static void scic_sds_phy_complete_link_training( - struct scic_sds_phy *this_phy, + struct scic_sds_phy *sci_phy, enum sci_sas_link_rate max_link_rate, u32 next_state) { - this_phy->max_negotiated_speed = max_link_rate; + sci_phy->max_negotiated_speed = max_link_rate; - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), next_state - ); + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + next_state); } -/** - * - * @this_phy: The struct scic_sds_phy object to restart. - * - * This method restarts the struct scic_sds_phy objects base state machine in the - * starting state from any starting substate. none - */ static void scic_sds_phy_restart_starting_state( - struct scic_sds_phy *this_phy) + struct scic_sds_phy *sci_phy) { /* Stop the current substate machine */ - sci_base_state_machine_stop( - scic_sds_phy_get_starting_substate_machine(this_phy) - ); + sci_base_state_machine_stop(&sci_phy->starting_substate_machine); /* Re-enter the base state machine starting state */ - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(this_phy), - SCI_BASE_PHY_STATE_STARTING - ); + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, + SCI_BASE_PHY_STATE_STARTING); } /* **************************************************************************** @@ -1041,7 +1025,7 @@ static enum sci_status scic_sds_phy_starting_substate_await_sata_power_event_han } /** - * + * scic_sds_phy_starting_substate_await_sata_phy_event_handler - * @phy: This struct scic_sds_phy object which has received an event. * @event_code: This is the event code which the phy object is to decode. * @@ -1054,42 +1038,39 @@ static enum sci_status scic_sds_phy_starting_substate_await_sata_power_event_han * failure event SCI_FAILURE on any unexpected event notifation */ static enum sci_status scic_sds_phy_starting_substate_await_sata_phy_event_handler( - struct scic_sds_phy *this_phy, - u32 event_code) + struct scic_sds_phy *sci_phy, u32 event_code) { u32 result = SCI_SUCCESS; switch (scu_get_event_code(event_code)) { case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - scic_sds_phy_restart_starting_state(this_phy); + scic_sds_phy_restart_starting_state(sci_phy); break; case SCU_EVENT_SATA_SPINUP_HOLD: - /* - * These events might be received since we dont know how many may be in - * the completion queue while waiting for power */ + /* These events might be received since we dont know how many may be in + * the completion queue while waiting for power + */ break; case SCU_EVENT_SATA_PHY_DETECTED: - this_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA; + sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_SATA; /* We have received the SATA PHY notification change state */ - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN - ); + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_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(this_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); break; default: - dev_warn(sciphy_to_dev(this_phy), + dev_warn(sciphy_to_dev(sci_phy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, @@ -1182,7 +1163,7 @@ static enum sci_status scic_sds_phy_starting_substate_await_sata_speed_event_han } /** - * + * scic_sds_phy_starting_substate_await_sig_fis_event_handler - * @phy: This struct scic_sds_phy object which has received an event. * @event_code: This is the event code which the phy object is to decode. * @@ -1196,27 +1177,24 @@ static enum sci_status scic_sds_phy_starting_substate_await_sata_speed_event_han * unexpected event notifation */ static enum sci_status scic_sds_phy_starting_substate_await_sig_fis_event_handler( - struct scic_sds_phy *this_phy, - u32 event_code) + struct scic_sds_phy *sci_phy, u32 event_code) { u32 result = SCI_SUCCESS; switch (scu_get_event_code(event_code)) { case SCU_EVENT_SATA_PHY_DETECTED: /* Backup the state machine */ - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN - ); + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN); break; case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - scic_sds_phy_restart_starting_state(this_phy); + scic_sds_phy_restart_starting_state(sci_phy); break; default: - dev_warn(sciphy_to_dev(this_phy), + dev_warn(sciphy_to_dev(sci_phy), "%s: PHY starting substate machine received " "unexpected event_code %x\n", __func__, @@ -1249,15 +1227,14 @@ static enum sci_status scic_sds_phy_starting_substate_await_sig_fis_event_handle * unsolicted frame - release frame buffer enum sci_status SCI_SUCCESS */ static enum sci_status scic_sds_phy_starting_substate_await_iaf_uf_frame_handler( - struct scic_sds_phy *this_phy, - u32 frame_index) + struct scic_sds_phy *sci_phy, u32 frame_index) { enum sci_status result; u32 *frame_words; struct sci_sas_identify_address_frame *identify_frame; result = scic_sds_unsolicited_frame_control_get_header( - &(scic_sds_phy_get_controller(this_phy)->uf_control), + &(scic_sds_phy_get_controller(sci_phy)->uf_control), frame_index, (void **)&frame_words); @@ -1269,49 +1246,43 @@ static enum sci_status scic_sds_phy_starting_substate_await_iaf_uf_frame_handler identify_frame = (struct sci_sas_identify_address_frame *)frame_words; if (identify_frame->address_frame_type == 0) { - /* - * Byte swap the rest of the frame so we can make - * a copy of the buffer */ + u32 state; + + /* Byte swap the rest of the frame so we can make + * a copy of the buffer + */ frame_words[1] = SCIC_SWAP_DWORD(frame_words[1]); frame_words[2] = SCIC_SWAP_DWORD(frame_words[2]); frame_words[3] = SCIC_SWAP_DWORD(frame_words[3]); frame_words[4] = SCIC_SWAP_DWORD(frame_words[4]); frame_words[5] = SCIC_SWAP_DWORD(frame_words[5]); - memcpy( - &this_phy->phy_type.sas.identify_address_frame_buffer, + memcpy(&sci_phy->phy_type.sas.identify_address_frame_buffer, identify_frame, - sizeof(struct sci_sas_identify_address_frame) - ); + sizeof(struct sci_sas_identify_address_frame)); if (identify_frame->protocols.u.bits.smp_target) { - /* - * We got the IAF for an expander PHY go to the final state since - * there are no power requirements for expander phys. */ - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL - ); + /* We got the IAF for an expander PHY go to the final state since + * there are no power requirements for expander phys. + */ + state = SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL; } else { /* We got the IAF we can now go to the await spinup semaphore state */ - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER - ); + state = SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER; } - + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + state); result = SCI_SUCCESS; } else - dev_warn(sciphy_to_dev(this_phy), + dev_warn(sciphy_to_dev(sci_phy), "%s: PHY starting substate machine received " "unexpected frame id %x\n", __func__, frame_index); /* Regardless of the result release this frame since we are done with it */ - scic_sds_controller_release_frame( - scic_sds_phy_get_controller(this_phy), frame_index - ); + scic_sds_controller_release_frame(scic_sds_phy_get_controller(sci_phy), + frame_index); return result; } @@ -1331,7 +1302,7 @@ static enum sci_status scic_sds_phy_starting_substate_await_iaf_uf_frame_handler * data */ static enum sci_status scic_sds_phy_starting_substate_await_sig_fis_frame_handler( - struct scic_sds_phy *this_phy, + struct scic_sds_phy *sci_phy, u32 frame_index) { enum sci_status result; @@ -1340,7 +1311,7 @@ static enum sci_status scic_sds_phy_starting_substate_await_sig_fis_frame_handle u32 *fis_frame_data; result = scic_sds_unsolicited_frame_control_get_header( - &(scic_sds_phy_get_controller(this_phy)->uf_control), + &(scic_sds_phy_get_controller(sci_phy)->uf_control), frame_index, (void **)&frame_words); @@ -1350,40 +1321,33 @@ static enum sci_status scic_sds_phy_starting_substate_await_sig_fis_frame_handle fis_frame_header = (struct sata_fis_header *)frame_words; - if ( - (fis_frame_header->fis_type == SATA_FIS_TYPE_REGD2H) - && !(fis_frame_header->status & ATA_STATUS_REG_BSY_BIT) - ) { + if ((fis_frame_header->fis_type == SATA_FIS_TYPE_REGD2H) && + !(fis_frame_header->status & ATA_STATUS_REG_BSY_BIT)) { scic_sds_unsolicited_frame_control_get_buffer( - &(scic_sds_phy_get_controller(this_phy)->uf_control), + &(scic_sds_phy_get_controller(sci_phy)->uf_control), frame_index, - (void **)&fis_frame_data - ); + (void **)&fis_frame_data); scic_sds_controller_copy_sata_response( - &this_phy->phy_type.sata.signature_fis_buffer, + &sci_phy->phy_type.sata.signature_fis_buffer, frame_words, - fis_frame_data - ); + fis_frame_data); /* We got the IAF we can now go to the await spinup semaphore state */ - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL - ); + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL); result = SCI_SUCCESS; } else - dev_warn(sciphy_to_dev(this_phy), + dev_warn(sciphy_to_dev(sci_phy), "%s: PHY starting substate machine received " "unexpected frame id %x\n", __func__, frame_index); /* Regardless of the result release this frame since we are done with it */ - scic_sds_controller_release_frame( - scic_sds_phy_get_controller(this_phy), frame_index - ); + scic_sds_controller_release_frame(scic_sds_phy_get_controller(sci_phy), + frame_index); return result; } @@ -1394,7 +1358,7 @@ static enum sci_status scic_sds_phy_starting_substate_await_sig_fis_frame_handle * ***************************************************************************** */ /** - * + * scic_sds_phy_starting_substate_await_sas_power_consume_power_handler - * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy * object. * @@ -1404,19 +1368,17 @@ static enum sci_status scic_sds_phy_starting_substate_await_sig_fis_frame_handle * 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 *this_phy) + struct scic_sds_phy *sci_phy) { u32 enable_spinup; - enable_spinup = SCU_SAS_ENSPINUP_READ(this_phy); + enable_spinup = SCU_SAS_ENSPINUP_READ(sci_phy); enable_spinup |= SCU_ENSPINUP_GEN_BIT(ENABLE); - SCU_SAS_ENSPINUP_WRITE(this_phy, enable_spinup); + SCU_SAS_ENSPINUP_WRITE(sci_phy, enable_spinup); /* Change state to the final state this substate machine has run to completion */ - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL - ); + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL); return SCI_SUCCESS; } @@ -1431,27 +1393,25 @@ static enum sci_status scic_sds_phy_starting_substate_await_sas_power_consume_po * 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 *this_phy) + 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 = SCU_SAS_PCFG_READ(this_phy); + scu_sas_pcfg_value = SCU_SAS_PCFG_READ(sci_phy); 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); - SCU_SAS_PCFG_WRITE(this_phy, scu_sas_pcfg_value); + SCU_SAS_PCFG_WRITE(sci_phy, scu_sas_pcfg_value); /* 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); - SCU_SAS_PCFG_WRITE(this_phy, scu_sas_pcfg_value); + SCU_SAS_PCFG_WRITE(sci_phy, scu_sas_pcfg_value); /* Change state to the final state this substate machine has run to completion */ - sci_base_state_machine_change_state( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN - ); + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN); return SCI_SUCCESS; } @@ -1566,7 +1526,7 @@ const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_t * **************************************************************************** */ /** - * + * scic_sds_phy_starting_initial_substate_enter - * @object: This is the struct sci_base_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 @@ -1574,21 +1534,18 @@ const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_t * 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( - struct sci_base_object *object) +static void scic_sds_phy_starting_initial_substate_enter(struct sci_base_object *object) { - struct scic_sds_phy *this_phy; + struct scic_sds_phy *sci_phy; - this_phy = (struct scic_sds_phy *)object; + sci_phy = (struct scic_sds_phy *)object; scic_sds_phy_set_starting_substate_handlers( - this_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL); + 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( - scic_sds_phy_get_starting_substate_machine(this_phy), - SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN - ); + sci_base_state_machine_change_state(&sci_phy->starting_substate_machine, + SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN); } /** @@ -1892,23 +1849,20 @@ static inline void scic_sds_phy_starting_await_sig_fis_uf_substate_exit( * object state handlers for this state. - Change base state machine to the * ready state. none */ -static void scic_sds_phy_starting_final_substate_enter( - struct sci_base_object *object) +static void scic_sds_phy_starting_final_substate_enter(struct sci_base_object *object) { - struct scic_sds_phy *this_phy; + struct scic_sds_phy *sci_phy; - this_phy = (struct scic_sds_phy *)object; + sci_phy = container_of(object, typeof(*sci_phy), parent.parent); - scic_sds_phy_set_starting_substate_handlers( - this_phy, SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL - ); + scic_sds_phy_set_starting_substate_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 */ - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(this_phy), - SCI_BASE_PHY_STATE_READY); + /* State machine has run to completion so exit out and change + * the base state machine to the ready state + */ + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, + SCI_BASE_PHY_STATE_READY); } /* --------------------------------------------------------------------------- */ @@ -2150,153 +2104,85 @@ enum sci_status scic_sds_phy_default_consume_power_handler( * attempts to start it. - The phy state machine is transitioned to the * SCI_BASE_PHY_STATE_STARTING. enum sci_status SCI_SUCCESS */ -static enum sci_status scic_sds_phy_stopped_state_start_handler( - struct sci_base_phy *phy) +static enum sci_status scic_sds_phy_stopped_state_start_handler(struct sci_base_phy *base_phy) { - struct scic_sds_phy *sci_phy = (struct scic_sds_phy *)phy; - struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy); - struct isci_host *ihost = sci_object_get_association(scic); + struct isci_host *ihost; + struct scic_sds_phy *sci_phy; + struct scic_sds_controller *scic; + + sci_phy = container_of(base_phy, typeof(*sci_phy), parent); + scic = scic_sds_phy_get_controller(sci_phy), + ihost = sci_object_get_association(scic); /* Create the SIGNATURE FIS Timeout timer for this phy */ - sci_phy->sata_timeout_timer = - isci_timer_create( - ihost, - sci_phy, - scic_sds_phy_sata_timeout); + sci_phy->sata_timeout_timer = isci_timer_create(ihost, sci_phy, + scic_sds_phy_sata_timeout); - if (sci_phy->sata_timeout_timer != NULL) { - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(sci_phy), - SCI_BASE_PHY_STATE_STARTING); - } + if (sci_phy->sata_timeout_timer) + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, + SCI_BASE_PHY_STATE_STARTING); return SCI_SUCCESS; } -/** - * - * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy - * object. - * - * This method takes the struct scic_sds_phy from a stopped state and destroys it. - - * This function takes no action. Shouldnt this function transition the - * struct sci_base_phy::state_machine to the SCI_BASE_PHY_STATE_FINAL? enum sci_status - * SCI_SUCCESS - */ -static enum sci_status scic_sds_phy_stopped_state_destroy_handler( - struct sci_base_phy *phy) +static enum sci_status scic_sds_phy_stopped_state_destroy_handler(struct sci_base_phy *base_phy) { - struct scic_sds_phy *this_phy; - - this_phy = (struct scic_sds_phy *)phy; - - /* @todo what do we actually need to do here? */ return SCI_SUCCESS; } -/* - * ****************************************************************************** - * * PHY STARTING STATE HANDLERS - * ****************************************************************************** */ - -/* All of these state handlers are mapped to the starting sub-state machine */ - -/* - * ****************************************************************************** - * * PHY READY STATE HANDLERS - * ****************************************************************************** */ - -/** - * - * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy - * object. - * - * This method takes the struct scic_sds_phy from a ready state and attempts to stop - * it. - The phy state machine is transitioned to the - * SCI_BASE_PHY_STATE_STOPPED. enum sci_status SCI_SUCCESS - */ -static enum sci_status scic_sds_phy_ready_state_stop_handler( - struct sci_base_phy *phy) +static enum sci_status scic_sds_phy_ready_state_stop_handler(struct sci_base_phy *base_phy) { - struct scic_sds_phy *this_phy; - - this_phy = (struct scic_sds_phy *)phy; - - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(this_phy), - SCI_BASE_PHY_STATE_STOPPED - ); + sci_base_state_machine_change_state(&base_phy->state_machine, + SCI_BASE_PHY_STATE_STOPPED); return SCI_SUCCESS; } -/** - * - * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy - * object. - * - * This method takes the struct scic_sds_phy from a ready state and attempts to reset - * it. - The phy state machine is transitioned to the - * SCI_BASE_PHY_STATE_STARTING. enum sci_status SCI_SUCCESS - */ -static enum sci_status scic_sds_phy_ready_state_reset_handler( - struct sci_base_phy *phy) +static enum sci_status scic_sds_phy_ready_state_reset_handler(struct sci_base_phy *base_phy) { - struct scic_sds_phy *this_phy; - - this_phy = (struct scic_sds_phy *)phy; - - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(this_phy), - SCI_BASE_PHY_STATE_RESETTING - ); + sci_base_state_machine_change_state(&base_phy->state_machine, + SCI_BASE_PHY_STATE_RESETTING); return SCI_SUCCESS; } /** - * + * scic_sds_phy_ready_state_event_handler - * @phy: This is the struct scic_sds_phy object which has received the event. * * This method request the struct scic_sds_phy handle the received event. The only * event that we are interested in while in the ready state is the link failure * event. - decoded event is a link failure - transition the struct scic_sds_phy back - * to the SCI_BASE_PHY_STATE_STARTING state. - any other event recived will + * to the SCI_BASE_PHY_STATE_STARTING state. - any other event received will * report a warning message enum sci_status SCI_SUCCESS if the event received is a * link failure SCI_FAILURE_INVALID_STATE for any other event received. */ -static enum sci_status scic_sds_phy_ready_state_event_handler( - struct scic_sds_phy *this_phy, - u32 event_code) +static enum sci_status scic_sds_phy_ready_state_event_handler(struct scic_sds_phy *sci_phy, + u32 event_code) { enum sci_status result = SCI_FAILURE; switch (scu_get_event_code(event_code)) { case SCU_EVENT_LINK_FAILURE: /* Link failure change state back to the starting state */ - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(this_phy), - SCI_BASE_PHY_STATE_STARTING - ); - + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, + SCI_BASE_PHY_STATE_STARTING); result = SCI_SUCCESS; break; case SCU_EVENT_BROADCAST_CHANGE: /* Broadcast change received. Notify the port. */ - if (scic_sds_phy_get_port(this_phy) != NULL) - scic_sds_port_broadcast_change_received(this_phy->owning_port, this_phy); + if (scic_sds_phy_get_port(sci_phy) != NULL) + scic_sds_port_broadcast_change_received(sci_phy->owning_port, sci_phy); else - this_phy->bcn_received_while_port_unassigned = true; + sci_phy->bcn_received_while_port_unassigned = true; break; default: - dev_warn(sciphy_to_dev(this_phy), + dev_warn(sciphy_to_dev(sci_phy), "%sP SCIC PHY 0x%p ready state machine received " "unexpected event_code %x\n", - __func__, - this_phy, - event_code); + __func__, sci_phy, event_code); result = SCI_FAILURE_INVALID_STATE; break; @@ -2305,40 +2191,24 @@ static enum sci_status scic_sds_phy_ready_state_event_handler( return result; } -/* --------------------------------------------------------------------------- */ - -/** - * - * @this_phy: This is the struct scic_sds_phy object which is receiving the event. - * @event_code: This is the event code to be processed. - * - * This is the resetting state event handler. enum sci_status - * SCI_FAILURE_INVALID_STATE - */ -static enum sci_status scic_sds_phy_resetting_state_event_handler( - struct scic_sds_phy *this_phy, - u32 event_code) +static enum sci_status scic_sds_phy_resetting_state_event_handler(struct scic_sds_phy *sci_phy, + u32 event_code) { enum sci_status result = SCI_FAILURE; switch (scu_get_event_code(event_code)) { case SCU_EVENT_HARD_RESET_TRANSMITTED: /* Link failure change state back to the starting state */ - sci_base_state_machine_change_state( - scic_sds_phy_get_base_state_machine(this_phy), - SCI_BASE_PHY_STATE_STARTING - ); - + sci_base_state_machine_change_state(&sci_phy->parent.state_machine, + SCI_BASE_PHY_STATE_STARTING); result = SCI_SUCCESS; break; default: - dev_warn(sciphy_to_dev(this_phy), + dev_warn(sciphy_to_dev(sci_phy), "%s: SCIC PHY 0x%p resetting state machine received " "unexpected event_code %x\n", - __func__, - this_phy, - event_code); + __func__, sci_phy, event_code); result = SCI_FAILURE_INVALID_STATE; break; diff --git a/drivers/scsi/isci/core/scic_sds_phy.h b/drivers/scsi/isci/core/scic_sds_phy.h index b611e33..af9e24c 100644 --- a/drivers/scsi/isci/core/scic_sds_phy.h +++ b/drivers/scsi/isci/core/scic_sds_phy.h @@ -317,24 +317,6 @@ extern const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_ha (scic_sds_port_get_controller((phy)->owning_port)) /** - * scic_sds_phy_get_base_state_machine() - This macro returns the state machine - * for the base phy - * - * - */ -#define scic_sds_phy_get_base_state_machine(phy) \ - (&(phy)->parent.state_machine) - -/** - * scic_sds_phy_get_starting_substate_machine() - This macro returns the - * starting substate machine for this phy - * - * - */ -#define scic_sds_phy_get_starting_substate_machine(phy) \ - (&(phy)->starting_substate_machine) - -/** * scic_sds_phy_set_state_handlers() - This macro sets the state handlers for * this phy object * @@ -354,27 +336,6 @@ extern const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_ha &scic_sds_phy_state_handler_table[(state_id)] \ ) -/** - * scic_sds_phy_is_ready() - - * - * This macro returns true if the current base state for this phy is - * SCI_BASE_PHY_STATE_READY - */ -#define scic_sds_phy_is_ready(phy) \ - (\ - SCI_BASE_PHY_STATE_READY \ - == sci_base_state_machine_get_state(\ - scic_sds_phy_get_base_state_machine(phy) \ - ) \ - ) - -/* --------------------------------------------------------------------------- */ - - - - -/* --------------------------------------------------------------------------- */ - void scic_sds_phy_construct( struct scic_sds_phy *this_phy, struct scic_sds_port *owning_port, @@ -404,8 +365,6 @@ enum sci_status scic_sds_phy_reset( void scic_sds_phy_sata_timeout( void *cookie); -/* --------------------------------------------------------------------------- */ - void scic_sds_phy_suspend( struct scic_sds_phy *this_phy); @@ -416,8 +375,6 @@ void scic_sds_phy_setup_transport( struct scic_sds_phy *this_phy, u32 device_id); -/* --------------------------------------------------------------------------- */ - enum sci_status scic_sds_phy_event_handler( struct scic_sds_phy *this_phy, u32 event_code); @@ -445,11 +402,6 @@ void scic_sds_phy_get_attached_phy_protocols( struct scic_sds_phy *this_phy, struct sci_sas_identify_address_frame_protocols *protocols); -/* - * ****************************************************************************- - * * SCIC SDS PHY Handler Methods - * ****************************************************************************- */ - enum sci_status scic_sds_phy_default_start_handler( struct sci_base_phy *phy); diff --git a/drivers/scsi/isci/core/scic_sds_port.c b/drivers/scsi/isci/core/scic_sds_port.c index 3ae0f0d..72b815e 100644 --- a/drivers/scsi/isci/core/scic_sds_port.c +++ b/drivers/scsi/isci/core/scic_sds_port.c @@ -576,12 +576,10 @@ void scic_sds_port_construct(struct scic_sds_port *sci_port, u8 port_index, sci_base_port_construct(&sci_port->parent, scic_sds_port_state_table); - sci_base_state_machine_construct( - scic_sds_port_get_ready_substate_machine(sci_port), - &sci_port->parent.parent, - scic_sds_port_ready_substate_table, - SCIC_SDS_PORT_READY_SUBSTATE_WAITING - ); + sci_base_state_machine_construct(&sci_port->ready_substate_machine, + &sci_port->parent.parent, + scic_sds_port_ready_substate_table, + SCIC_SDS_PORT_READY_SUBSTATE_WAITING); sci_port->logical_port_index = SCIC_SDS_DUMMY_PORT; sci_port->physical_port_index = port_index; @@ -1339,9 +1337,9 @@ static void scic_sds_port_ready_operational_substate_link_up_handler( /** * scic_sds_port_ready_operational_substate_link_down_handler() - - * @this_port: This is the struct scic_sds_port object that which has a phy that has + * @sci_port: This is the struct scic_sds_port object that which has a phy that has * gone link down. - * @the_phy: This is the struct scic_sds_phy object that has gone link down. + * @sci_phy: This is the struct scic_sds_phy object that has gone link down. * * This method is the ready operational substate link down handler for the * struct scic_sds_port object. This function notifies the SCI User that the phy has @@ -1349,21 +1347,18 @@ static void scic_sds_port_ready_operational_substate_link_up_handler( * state to the ready waiting substate. none */ static void scic_sds_port_ready_operational_substate_link_down_handler( - struct scic_sds_port *this_port, - struct scic_sds_phy *the_phy) + struct scic_sds_port *sci_port, + struct scic_sds_phy *sci_phy) { - scic_sds_port_deactivate_phy(this_port, the_phy, true); + scic_sds_port_deactivate_phy(sci_port, sci_phy, true); /* * If there are no active phys left in the port, then transition * the port to the WAITING state until such time as a phy goes * link up. */ - if (this_port->active_phy_mask == 0) { - sci_base_state_machine_change_state( - scic_sds_port_get_ready_substate_machine(this_port), - SCIC_SDS_PORT_READY_SUBSTATE_WAITING - ); - } + if (sci_port->active_phy_mask == 0) + sci_base_state_machine_change_state(&sci_port->ready_substate_machine, + SCIC_SDS_PORT_READY_SUBSTATE_WAITING); } /** @@ -1820,169 +1815,52 @@ const struct sci_base_state scic_sds_port_ready_substate_table[] = { }, }; -/* - * *************************************************************************** - * * DEFAULT HANDLERS - * *************************************************************************** */ - -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for port a start request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -enum sci_status scic_sds_port_default_start_handler( - struct sci_base_port *port) +static enum sci_status default_port_handler(struct sci_base_port *base_port, const char *func) { - struct scic_sds_port *sci_port = (struct scic_sds_port *)port; + struct scic_sds_port *sci_port; + sci_port = container_of(base_port, typeof(*sci_port), parent); dev_warn(sciport_to_dev(sci_port), - "%s: SCIC Port 0x%p requested to start while in invalid " - "state %d\n", - __func__, - port, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine( - (struct scic_sds_port *)port))); - + "%s: in wrong state: %d\n", func, + sci_base_state_machine_get_state(&base_port->state_machine)); return SCI_FAILURE_INVALID_STATE; } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port stop request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -static enum sci_status scic_sds_port_default_stop_handler( - struct sci_base_port *port) +enum sci_status scic_sds_port_default_start_handler(struct sci_base_port *base_port) { - struct scic_sds_port *sci_port = (struct scic_sds_port *)port; - - dev_warn(sciport_to_dev(sci_port), - "%s: SCIC Port 0x%p requested to stop while in invalid " - "state %d\n", - __func__, - port, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine( - (struct scic_sds_port *)port))); - - return SCI_FAILURE_INVALID_STATE; + return default_port_handler(base_port, __func__); } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port destruct request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -enum sci_status scic_sds_port_default_destruct_handler( - struct sci_base_port *port) +static enum sci_status scic_sds_port_default_stop_handler(struct sci_base_port *base_port) { - struct scic_sds_port *sci_port = (struct scic_sds_port *)port; - - dev_warn(sciport_to_dev(sci_port), - "%s: SCIC Port 0x%p requested to destruct while in invalid " - "state %d\n", - __func__, - port, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine( - (struct scic_sds_port *)port))); - - return SCI_FAILURE_INVALID_STATE; + return default_port_handler(base_port, __func__); } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * @timeout: This is the timeout for the reset request to complete. - * - * This is the default method for a port reset request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -enum sci_status scic_sds_port_default_reset_handler( - struct sci_base_port *port, - u32 timeout) +enum sci_status scic_sds_port_default_destruct_handler(struct sci_base_port *base_port) { - struct scic_sds_port *sci_port = (struct scic_sds_port *)port; - - dev_warn(sciport_to_dev(sci_port), - "%s: SCIC Port 0x%p requested to reset while in invalid " - "state %d\n", - __func__, - port, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine( - (struct scic_sds_port *)port))); - - return SCI_FAILURE_INVALID_STATE; + return default_port_handler(base_port, __func__); } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port add phy request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -static enum sci_status scic_sds_port_default_add_phy_handler( - struct sci_base_port *port, - struct sci_base_phy *phy) +enum sci_status scic_sds_port_default_reset_handler(struct sci_base_port *base_port, + u32 timeout) { - struct scic_sds_port *sci_port = (struct scic_sds_port *)port; - - dev_warn(sciport_to_dev(sci_port), - "%s: SCIC Port 0x%p requested to add phy 0x%p while in " - "invalid state %d\n", - __func__, - port, - phy, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine( - (struct scic_sds_port *)port))); - - return SCI_FAILURE_INVALID_STATE; + return default_port_handler(base_port, __func__); } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port remove phy request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -enum sci_status scic_sds_port_default_remove_phy_handler( - struct sci_base_port *port, - struct sci_base_phy *phy) +static enum sci_status scic_sds_port_default_add_phy_handler(struct sci_base_port *base_port, + struct sci_base_phy *base_phy) { - struct scic_sds_port *sci_port = (struct scic_sds_port *)port; - - dev_warn(sciport_to_dev(sci_port), - "%s: SCIC Port 0x%p requested to remove phy 0x%p while in " - "invalid state %d\n", - __func__, - port, - phy, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine( - (struct scic_sds_port *)port))); + return default_port_handler(base_port, __func__); +} - return SCI_FAILURE_INVALID_STATE; +enum sci_status scic_sds_port_default_remove_phy_handler(struct sci_base_port *base_port, + struct sci_base_phy *base_phy) +{ + return default_port_handler(base_port, __func__); } /** - * + * scic_sds_port_default_frame_handler * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port * object. * @@ -1991,149 +1869,48 @@ enum sci_status scic_sds_port_default_remove_phy_handler( * possible to receive an unsolicited frame directed to a port object? It * seems possible if we implementing virtual functions but until then? */ -enum sci_status scic_sds_port_default_frame_handler( - struct scic_sds_port *port, - u32 frame_index) -{ - dev_warn(sciport_to_dev(port), - "%s: SCIC Port 0x%p requested to process frame %d while in " - "invalid state %d\n", - __func__, - port, - frame_index, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine(port))); - - scic_sds_controller_release_frame( - scic_sds_port_get_controller(port), frame_index - ); - - return SCI_FAILURE_INVALID_STATE; -} +enum sci_status scic_sds_port_default_frame_handler(struct scic_sds_port *sci_port, + u32 frame_index) +{ + struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port); -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port event request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -enum sci_status scic_sds_port_default_event_handler( - struct scic_sds_port *port, - u32 event_code) -{ - dev_warn(sciport_to_dev(port), - "%s: SCIC Port 0x%p requested to process event 0x%x while " - "in invalid state %d\n", - __func__, - port, - event_code, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine( - (struct scic_sds_port *)port))); + default_port_handler(&sci_port->parent, __func__); + scic_sds_controller_release_frame(scic, frame_index); return SCI_FAILURE_INVALID_STATE; } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port link up notification. It will report - * a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -void scic_sds_port_default_link_up_handler( - struct scic_sds_port *this_port, - struct scic_sds_phy *phy) +enum sci_status scic_sds_port_default_event_handler(struct scic_sds_port *sci_port, + u32 event_code) { - dev_warn(sciport_to_dev(this_port), - "%s: SCIC Port 0x%p received link_up notification from phy " - "0x%p while in invalid state %d\n", - __func__, - this_port, - phy, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine(this_port))); + return default_port_handler(&sci_port->parent, __func__); } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port link down notification. It will - * report a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -void scic_sds_port_default_link_down_handler( - struct scic_sds_port *this_port, - struct scic_sds_phy *phy) +void scic_sds_port_default_link_up_handler(struct scic_sds_port *sci_port, + struct scic_sds_phy *sci_phy) { - dev_warn(sciport_to_dev(this_port), - "%s: SCIC Port 0x%p received link down notification from " - "phy 0x%p while in invalid state %d\n", - __func__, - this_port, - phy, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine(this_port))); + default_port_handler(&sci_port->parent, __func__); } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port start io request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -enum sci_status scic_sds_port_default_start_io_handler( - struct scic_sds_port *this_port, - struct scic_sds_remote_device *device, - struct scic_sds_request *io_request) +void scic_sds_port_default_link_down_handler(struct scic_sds_port *sci_port, + struct scic_sds_phy *sci_phy) { - dev_warn(sciport_to_dev(this_port), - "%s: SCIC Port 0x%p requested to start io request 0x%p " - "while in invalid state %d\n", - __func__, - this_port, - io_request, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine(this_port))); - - return SCI_FAILURE_INVALID_STATE; + default_port_handler(&sci_port->parent, __func__); } -/** - * - * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port - * object. - * - * This is the default method for a port complete io request. It will report a - * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE - */ -static enum sci_status scic_sds_port_default_complete_io_handler( - struct scic_sds_port *this_port, - struct scic_sds_remote_device *device, - struct scic_sds_request *io_request) +enum sci_status scic_sds_port_default_start_io_handler(struct scic_sds_port *sci_port, + struct scic_sds_remote_device *sci_dev, + struct scic_sds_request *sci_req) { - dev_warn(sciport_to_dev(this_port), - "%s: SCIC Port 0x%p requested to complete io request 0x%p " - "while in invalid state %d\n", - __func__, - this_port, - io_request, - sci_base_state_machine_get_state( - scic_sds_port_get_base_state_machine(this_port))); - - return SCI_FAILURE_INVALID_STATE; + return default_port_handler(&sci_port->parent, __func__); } -/* - * **************************************************************************** - * * GENERAL STATE HANDLERS - * **************************************************************************** */ +static enum sci_status scic_sds_port_default_complete_io_handler(struct scic_sds_port *sci_port, + struct scic_sds_remote_device *sci_dev, + struct scic_sds_request *sci_req) +{ + return default_port_handler(&sci_port->parent, __func__); +} /** * @@ -2160,11 +1937,6 @@ static enum sci_status scic_sds_port_general_complete_io_handler( return SCI_SUCCESS; } -/* - * **************************************************************************** - * * STOPPED STATE HANDLERS - * **************************************************************************** */ - /** * scic_sds_port_stopped_state_start_handler() - stop a port from "started" * @@ -2242,9 +2014,8 @@ scic_sds_port_stopped_state_start_handler(struct sci_base_port *base_port) * silicon. */ if (scic_sds_port_is_phy_mask_valid(sci_port, phy_mask) == true) { - sci_base_state_machine_change_state( - scic_sds_port_get_base_state_machine(sci_port), - SCI_BASE_PORT_STATE_READY); + sci_base_state_machine_change_state(&base_port->state_machine, + SCI_BASE_PORT_STATE_READY); return SCI_SUCCESS; } else @@ -2390,19 +2161,15 @@ static enum sci_status scic_sds_port_stopped_state_remove_phy_handler( * object will transition to the stopped state. enum sci_status SCI_SUCCESS */ static enum sci_status scic_sds_port_stopping_state_complete_io_handler( - struct scic_sds_port *port, + struct scic_sds_port *sci_port, struct scic_sds_remote_device *device, struct scic_sds_request *io_request) { - struct scic_sds_port *this_port = (struct scic_sds_port *)port; - - scic_sds_port_decrement_request_count(this_port); + scic_sds_port_decrement_request_count(sci_port); - if (this_port->started_request_count == 0) { - sci_base_state_machine_change_state( - scic_sds_port_get_base_state_machine(this_port), - SCI_BASE_PORT_STATE_STOPPED - ); + if (sci_port->started_request_count == 0) { + sci_base_state_machine_change_state(&sci_port->parent.state_machine, + SCI_BASE_PORT_STATE_STOPPED); } return SCI_SUCCESS; @@ -2727,9 +2494,8 @@ static void scic_sds_port_stopped_state_exit( } /** - * - * @object: This is the struct sci_base_object which is cast to a - * struct scic_sds_port object. + * scic_sds_port_ready_state_enter - + * @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object. * * This method will perform the actions required by the struct scic_sds_port on * entering the SCI_BASE_PORT_STATE_READY. This function sets the ready state @@ -2738,50 +2504,40 @@ static void scic_sds_port_stopped_state_exit( */ static void scic_sds_port_ready_state_enter(struct sci_base_object *object) { - struct scic_sds_port *sci_port = (struct scic_sds_port *)object; - struct isci_port *iport = sci_object_get_association(sci_port); - struct scic_sds_controller *scic = - scic_sds_port_get_controller(sci_port); - struct isci_host *ihost = sci_object_get_association(scic); + struct scic_sds_controller *scic; + struct scic_sds_port *sci_port; + struct isci_port *iport; + struct isci_host *ihost; + u32 prev_state; - /* - * Put the ready state handlers in place though they will not be - * there long - */ - scic_sds_port_set_base_state_handlers(sci_port, - SCI_BASE_PORT_STATE_READY); + sci_port = container_of(object, typeof(*sci_port), parent.parent); + scic = scic_sds_port_get_controller(sci_port); + ihost = sci_object_get_association(scic); + iport = sci_object_get_association(sci_port); - if (sci_port->parent.state_machine.previous_state_id == - SCI_BASE_PORT_STATE_RESETTING) + /* Put the ready state handlers in place though they will not be there long */ + scic_sds_port_set_base_state_handlers(sci_port, SCI_BASE_PORT_STATE_READY); + + prev_state = sci_port->parent.state_machine.previous_state_id; + if (prev_state == SCI_BASE_PORT_STATE_RESETTING) isci_port_hard_reset_complete(iport, SCI_SUCCESS); - else /* Notify the caller that the port is not yet ready */ + else isci_port_not_ready(ihost, iport); /* Post and suspend the dummy remote node context for this port. */ scic_sds_port_post_dummy_remote_node(sci_port); /* Start the ready substate machine */ - sci_base_state_machine_start( - scic_sds_port_get_ready_substate_machine(sci_port)); + sci_base_state_machine_start(&sci_port->ready_substate_machine); } -/** - * - * @object: This is the struct sci_base_object which is cast to a struct scic_sds_port object. - * - * This method will perform the actions required by the struct scic_sds_port on - * exiting the SCI_BASE_STATE_READY. This function does nothing. none - */ -static void scic_sds_port_ready_state_exit( - struct sci_base_object *object) +static void scic_sds_port_ready_state_exit(struct sci_base_object *object) { - struct scic_sds_port *this_port; - - this_port = (struct scic_sds_port *)object; - - sci_base_state_machine_stop(&this_port->ready_substate_machine); + struct scic_sds_port *sci_port; - scic_sds_port_invalidate_dummy_remote_node(this_port); + sci_port = container_of(object, typeof(*sci_port), parent.parent); + sci_base_state_machine_stop(&sci_port->ready_substate_machine); + scic_sds_port_invalidate_dummy_remote_node(sci_port); } /** diff --git a/drivers/scsi/isci/core/scic_sds_port.h b/drivers/scsi/isci/core/scic_sds_port.h index c98caef..ac81a92 100644 --- a/drivers/scsi/isci/core/scic_sds_port.h +++ b/drivers/scsi/isci/core/scic_sds_port.h @@ -251,14 +251,6 @@ extern struct scic_sds_port_state_handler scic_sds_port_ready_substate_handler_t ((this_port)->owning_controller) /** - * scic_sds_port_get_base_state_machine() - - * - * Helper macro to get the base state machine for this port - */ -#define scic_sds_port_get_base_state_machine(this_port) \ - (&(this_port)->parent.state_machine) - -/** * scic_sds_port_set_base_state_handlers() - * * This macro will change the state handlers to those of the specified state id @@ -268,14 +260,6 @@ extern struct scic_sds_port_state_handler scic_sds_port_ready_substate_handler_t (this_port), &scic_sds_port_state_handler_table[(state_id)]) /** - * scic_sds_port_get_ready_substate_machine() - - * - * Helper macro to get the ready substate machine for this port - */ -#define scic_sds_port_get_ready_substate_machine(this_port) \ - (&(this_port)->ready_substate_machine) - -/** * scic_sds_port_set_state_handlers() - * * Helper macro to set the port object state handlers diff --git a/drivers/scsi/isci/core/scic_sds_remote_device.c b/drivers/scsi/isci/core/scic_sds_remote_device.c index f722678..05599d1 100644 --- a/drivers/scsi/isci/core/scic_sds_remote_device.c +++ b/drivers/scsi/isci/core/scic_sds_remote_device.c @@ -135,8 +135,7 @@ enum sci_status scic_remote_device_da_construct( &remote_node_index); if (status == SCI_SUCCESS) { - scic_sds_remote_node_context_set_remote_node_index( - sci_dev->rnc, remote_node_index); + sci_dev->rnc->remote_node_index = remote_node_index; scic_sds_port_get_attached_sas_address( sci_dev->owning_port, &sci_dev->device_address); @@ -510,16 +509,14 @@ bool scic_sds_remote_device_is_atapi( static void scic_sds_cb_remote_device_rnc_destruct_complete( void *user_parameter) { - struct scic_sds_remote_device *this_device; + struct scic_sds_remote_device *sci_dev; - this_device = (struct scic_sds_remote_device *)user_parameter; + sci_dev = (struct scic_sds_remote_device *)user_parameter; - BUG_ON(this_device->started_request_count != 0); + BUG_ON(sci_dev->started_request_count != 0); - sci_base_state_machine_change_state( - scic_sds_remote_device_get_base_state_machine(this_device), - SCI_BASE_REMOTE_DEVICE_STATE_STOPPED - ); + sci_base_state_machine_change_state(&sci_dev->parent.state_machine, + SCI_BASE_REMOTE_DEVICE_STATE_STOPPED); } /** @@ -649,206 +646,64 @@ static enum sci_status scic_sds_remote_device_terminate_requests( return status; } -/* - * ***************************************************************************** - * * DEFAULT STATE HANDLERS - * ***************************************************************************** */ - -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default start handler. It logs a warning and returns a - * failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ -enum sci_status scic_sds_remote_device_default_start_handler( - struct sci_base_remote_device *device) +static enum sci_status default_device_handler(struct sci_base_remote_device *base_dev, + const char *func) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to start while in wrong " - "state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); + struct scic_sds_remote_device *sci_dev; + sci_dev = container_of(base_dev, typeof(*sci_dev), parent); + dev_warn(scirdev_to_dev(sci_dev), + "%s: in wrong state: %d\n", func, + sci_base_state_machine_get_state(&base_dev->state_machine)); return SCI_FAILURE_INVALID_STATE; } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default stop handler. It logs a warning and returns a - * failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ -static enum sci_status scic_sds_remote_device_default_stop_handler( - struct sci_base_remote_device *device) +enum sci_status scic_sds_remote_device_default_start_handler( + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to stop while in wrong " - "state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); + return default_device_handler(base_dev, __func__); +} - return SCI_FAILURE_INVALID_STATE; +static enum sci_status scic_sds_remote_device_default_stop_handler( + struct sci_base_remote_device *base_dev) +{ + return default_device_handler(base_dev, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default fail handler. It logs a warning and returns a - * failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_fail_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to fail while in wrong " - "state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(base_dev, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default destruct handler. It logs a warning and returns - * a failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_destruct_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to destroy while in " - "wrong state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(base_dev, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default reset handler. It logs a warning and returns a - * failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_reset_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to reset while in wrong " - "state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(base_dev, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default reset complete handler. It logs a warning and - * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_reset_complete_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to complete reset while " - "in wrong state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(base_dev, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default suspend handler. It logs a warning and returns a - * failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_suspend_handler( - struct scic_sds_remote_device *this_device, - u32 suspend_type) + struct scic_sds_remote_device *sci_dev, u32 suspend_type) { - dev_warn(scirdev_to_dev(this_device), - "%s: SCIC Remote Device 0x%p requested to suspend %d while " - "in wrong state %d\n", - __func__, - this_device, - suspend_type, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - this_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(&sci_dev->parent, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * - * This method is the default resume handler. It logs a warning and returns a - * failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_resume_handler( - struct scic_sds_remote_device *this_device) + struct scic_sds_remote_device *sci_dev) { - dev_warn(scirdev_to_dev(this_device), - "%s: SCIC Remote Device requested to resume while in " - "wrong state %d\n", - __func__, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - this_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(&sci_dev->parent, __func__); } /** @@ -960,113 +815,31 @@ enum sci_status scic_sds_remote_device_default_frame_handler( return SCI_FAILURE_INVALID_STATE; } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST - * to start. - * - * This method is the default start io handler. It logs a warning and returns - * a failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_start_request_handler( - struct sci_base_remote_device *device, + struct sci_base_remote_device *base_dev, struct sci_base_request *request) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to start io request %p " - "while in wrong state %d\n", - __func__, - request, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - (struct scic_sds_remote_device *)device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(base_dev, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST - * to complete. - * - * This method is the default complete io handler. It logs a warning and - * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_complete_request_handler( - struct sci_base_remote_device *device, + struct sci_base_remote_device *base_dev, struct sci_base_request *request) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to complete io_request %p " - "while in wrong state %d\n", - __func__, - request, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(base_dev, __func__); } -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. - * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST - * to continue. - * - * This method is the default continue io handler. It logs a warning and - * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ enum sci_status scic_sds_remote_device_default_continue_request_handler( - struct sci_base_remote_device *device, + struct sci_base_remote_device *base_dev, struct sci_base_request *request) { - struct scic_sds_remote_device *sds_device = - (struct scic_sds_remote_device *)device; - - dev_warn(scirdev_to_dev(sds_device), - "%s: SCIC Remote Device requested to continue io request %p " - "while in wrong state %d\n", - __func__, - request, - sci_base_state_machine_get_state( - scic_sds_remote_device_get_base_state_machine( - sds_device))); - - return SCI_FAILURE_INVALID_STATE; + return default_device_handler(base_dev, __func__); } /** * * @device: The struct sci_base_remote_device which is then cast into a * struct scic_sds_remote_device. - * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST - * to complete. - * - * This method is the default complete task handler. It logs a warning and - * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE - */ - -/* - * ***************************************************************************** - * * NORMAL STATE HANDLERS - * ***************************************************************************** */ - -/** - * - * @device: The struct sci_base_remote_device which is then cast into a - * struct scic_sds_remote_device. * @frame_index: The frame index for which the struct scic_sds_controller wants this * device object to process. * @@ -1146,45 +919,32 @@ enum sci_status scic_sds_remote_device_general_event_handler( * which to construct the remote device. */ static enum sci_status scic_sds_remote_device_stopped_state_start_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { enum sci_status status; - struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device; + struct scic_sds_remote_device *sci_dev; - status = scic_sds_remote_node_context_resume( - this_device->rnc, - scic_sds_remote_device_resume_complete_handler, - this_device - ); + sci_dev = container_of(base_dev, typeof(*sci_dev), parent); - if (status == SCI_SUCCESS) { - sci_base_state_machine_change_state( - scic_sds_remote_device_get_base_state_machine(this_device), - SCI_BASE_REMOTE_DEVICE_STATE_STARTING - ); - } + status = scic_sds_remote_node_context_resume(sci_dev->rnc, + scic_sds_remote_device_resume_complete_handler, sci_dev); + + if (status == SCI_SUCCESS) + sci_base_state_machine_change_state(&base_dev->state_machine, + SCI_BASE_REMOTE_DEVICE_STATE_STARTING); return status; } -/** - * - * @this_device: The struct sci_base_remote_device which is cast into a - * struct scic_sds_remote_device. - * - * This method will stop a struct scic_sds_remote_device that is already in a stopped - * state. This is not considered an error since the device is already stopped. - * enum sci_status SCI_SUCCESS - */ static enum sci_status scic_sds_remote_device_stopped_state_stop_handler( - struct sci_base_remote_device *this_device) + struct sci_base_remote_device *base_dev) { return SCI_SUCCESS; } /** * - * @this_device: The struct sci_base_remote_device which is cast into a + * @sci_dev: The struct sci_base_remote_device which is cast into a * struct scic_sds_remote_device. * * This method will destruct a struct scic_sds_remote_device that is in a stopped @@ -1194,25 +954,19 @@ static enum sci_status scic_sds_remote_device_stopped_state_stop_handler( * enum sci_status SCI_SUCCESS */ static enum sci_status scic_sds_remote_device_stopped_state_destruct_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device; - - scic_sds_controller_free_remote_node_context( - scic_sds_remote_device_get_controller(this_device), - this_device, - this_device->rnc->remote_node_index - ); + struct scic_sds_remote_device *sci_dev; + struct scic_sds_controller *scic; - scic_sds_remote_node_context_set_remote_node_index( - this_device->rnc, - SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX - ); + sci_dev = container_of(base_dev, typeof(*sci_dev), parent); + scic = scic_sds_remote_device_get_controller(sci_dev); + scic_sds_controller_free_remote_node_context(scic, sci_dev, + sci_dev->rnc->remote_node_index); + sci_dev->rnc->remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX; - sci_base_state_machine_change_state( - scic_sds_remote_device_get_base_state_machine(this_device), - SCI_BASE_REMOTE_DEVICE_STATE_FINAL - ); + sci_base_state_machine_change_state(&base_dev->state_machine, + SCI_BASE_REMOTE_DEVICE_STATE_FINAL); return SCI_SUCCESS; } @@ -1223,86 +977,49 @@ static enum sci_status scic_sds_remote_device_stopped_state_destruct_handler( * ***************************************************************************** */ static enum sci_status scic_sds_remote_device_starting_state_stop_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device; + struct scic_sds_remote_device *sci_dev; + sci_dev = container_of(base_dev, typeof(*sci_dev), parent); /* * This device has not yet started so there had better be no IO requests */ - BUG_ON(this_device->started_request_count != 0); + BUG_ON(sci_dev->started_request_count != 0); /* * Destroy the remote node context */ - scic_sds_remote_node_context_destruct( - this_device->rnc, - scic_sds_cb_remote_device_rnc_destruct_complete, - this_device - ); + scic_sds_remote_node_context_destruct(sci_dev->rnc, + scic_sds_cb_remote_device_rnc_destruct_complete, sci_dev); /* * Transition to the stopping state and wait for the remote node to * complete being posted and invalidated. */ - sci_base_state_machine_change_state( - scic_sds_remote_device_get_base_state_machine(this_device), - SCI_BASE_REMOTE_DEVICE_STATE_STOPPING - ); + sci_base_state_machine_change_state(&base_dev->state_machine, + SCI_BASE_REMOTE_DEVICE_STATE_STOPPING); return SCI_SUCCESS; } -/* - * ***************************************************************************** - * * INITIALIZING STATE HANDLERS - * ***************************************************************************** */ - -/* There is nothing to do here for SSP devices */ - -/* - * ***************************************************************************** - * * READY STATE HANDLERS - * ***************************************************************************** */ - -/** - * - * @this_device: The struct scic_sds_remote_device object to be suspended. - * - * This method is the resume handler for the struct scic_sds_remote_device object. It - * will post an RNC resume to the SCU hardware. enum sci_status SCI_SUCCESS - */ - -/** - * - * @device: The struct sci_base_remote_device object which is cast to a - * struct scic_sds_remote_device object. - * - * This method is the default stop handler for the struct scic_sds_remote_device ready - * substate machine. It will stop the current substate machine and transition - * the base state machine to SCI_BASE_REMOTE_DEVICE_STATE_STOPPING. enum sci_status - * SCI_SUCCESS - */ enum sci_status scic_sds_remote_device_ready_state_stop_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device; - enum sci_status status = SCI_SUCCESS; + struct scic_sds_remote_device *sci_dev; + enum sci_status status = SCI_SUCCESS; + sci_dev = container_of(base_dev, typeof(*sci_dev), parent); /* Request the parent state machine to transition to the stopping state */ - sci_base_state_machine_change_state( - scic_sds_remote_device_get_base_state_machine(this_device), - SCI_BASE_REMOTE_DEVICE_STATE_STOPPING - ); + sci_base_state_machine_change_state(&base_dev->state_machine, + SCI_BASE_REMOTE_DEVICE_STATE_STOPPING); - if (this_device->started_request_count == 0) { - scic_sds_remote_node_context_destruct( - this_device->rnc, + if (sci_dev->started_request_count == 0) { + scic_sds_remote_node_context_destruct(sci_dev->rnc, scic_sds_cb_remote_device_rnc_destruct_complete, - this_device - ); + sci_dev); } else - status = scic_sds_remote_device_terminate_requests(this_device); + status = scic_sds_remote_device_terminate_requests(sci_dev); return status; } @@ -1315,32 +1032,20 @@ enum sci_status scic_sds_remote_device_ready_state_stop_handler( * This is the ready state device reset handler enum sci_status */ enum sci_status scic_sds_remote_device_ready_state_reset_handler( - struct sci_base_remote_device *device) + struct sci_base_remote_device *base_dev) { - struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device; + struct scic_sds_remote_device *sci_dev; + sci_dev = container_of(base_dev, typeof(*sci_dev), parent); /* Request the parent state machine to transition to the stopping state */ - sci_base_state_machine_change_state( - scic_sds_remote_device_get_base_state_machine(this_device), - SCI_BASE_REMOTE_DEVICE_STATE_RESETTING - ); + sci_base_state_machine_change_state(&base_dev->state_machine, + SCI_BASE_REMOTE_DEVICE_STATE_RESETTING); return SCI_SUCCESS; } /** * - * @device: The struct sci_base_remote_device object which is cast to a - * struct scic_sds_remote_device object. - * - * This is the default fail handler for the struct scic_sds_remote_device ready - * substate machine. It will stop the current ready substate and transition - * the remote device object to the SCI_BASE_REMOTE_DEVICE_STATE_FAILED. - * enum sci_status SCI_SUCCESS - */ - -/** - * * @device: The struct sci_base_remote_device which is cast to a * struct scic_sds_remote_device for which the request is to be started. * @request: The struct sci_base_request which is cast to a SCIC_SDS_IO_REQUEST that @@ -1775,19 +1480,15 @@ const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_h static void scic_sds_remote_device_initial_state_enter( struct sci_base_object *object) { - struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object; + struct scic_sds_remote_device *sci_dev = (struct scic_sds_remote_device *)object; - SET_STATE_HANDLER( - this_device, - scic_sds_remote_device_state_handler_table, - SCI_BASE_REMOTE_DEVICE_STATE_INITIAL - ); + sci_dev = container_of(object, typeof(*sci_dev), parent.parent); + SET_STATE_HANDLER(sci_dev, scic_sds_remote_device_state_handler_table, + SCI_BASE_REMOTE_DEVICE_STATE_INITIAL); /* Initial state is a transitional state to the stopped state */ - sci_base_state_machine_change_state( - scic_sds_remote_device_get_base_state_machine(this_device), - SCI_BASE_REMOTE_DEVICE_STATE_STOPPED - ); + sci_base_state_machine_change_state(&sci_dev->parent.state_machine, + SCI_BASE_REMOTE_DEVICE_STATE_STOPPED); } /** @@ -1803,29 +1504,28 @@ static void scic_sds_remote_device_initial_state_enter( static void scic_sds_remote_device_stopped_state_enter( struct sci_base_object *object) { - struct scic_sds_remote_device *sci_dev = - (struct scic_sds_remote_device *)object; - struct scic_sds_controller *scic = - scic_sds_remote_device_get_controller(sci_dev); - struct isci_host *ihost = sci_object_get_association(scic); - struct isci_remote_device *idev = - sci_object_get_association(sci_dev); + struct scic_sds_remote_device *sci_dev; + struct scic_sds_controller *scic; + struct isci_remote_device *idev; + struct isci_host *ihost; + u32 prev_state; - SET_STATE_HANDLER(sci_dev, - scic_sds_remote_device_state_handler_table, + sci_dev = container_of(object, typeof(*sci_dev), parent.parent); + scic = scic_sds_remote_device_get_controller(sci_dev); + ihost = sci_object_get_association(scic); + idev = sci_object_get_association(sci_dev); + + SET_STATE_HANDLER(sci_dev, scic_sds_remote_device_state_handler_table, SCI_BASE_REMOTE_DEVICE_STATE_STOPPED); - /* - * If we are entering from the stopping state let the SCI User know that + /* If we are entering from the stopping state let the SCI User know that * the stop operation has completed. */ - if (sci_dev->parent.state_machine.previous_state_id == - SCI_BASE_REMOTE_DEVICE_STATE_STOPPING) + prev_state = sci_dev->parent.state_machine.previous_state_id; + if (prev_state == SCI_BASE_REMOTE_DEVICE_STATE_STOPPING) isci_remote_device_stop_complete(ihost, idev, SCI_SUCCESS); - scic_sds_controller_remote_device_stopped( - scic_sds_remote_device_get_controller(sci_dev), - sci_dev); + scic_sds_controller_remote_device_stopped(scic, sci_dev); } /** diff --git a/drivers/scsi/isci/core/scic_sds_remote_device.h b/drivers/scsi/isci/core/scic_sds_remote_device.h index 4841e45..aa46624 100644 --- a/drivers/scsi/isci/core/scic_sds_remote_device.h +++ b/drivers/scsi/isci/core/scic_sds_remote_device.h @@ -377,22 +377,6 @@ extern const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_dev ((this_device)->state_handlers = (handlers)) /** - * scic_sds_remote_device_get_base_state_machine() - - * - * This macro returns the base sate machine object for the remote device. - */ -#define scic_sds_remote_device_get_base_state_machine(this_device) \ - (&(this_device)->parent.state_machine) - -/** - * scic_sds_remote_device_get_ready_substate_machine() - - * - * This macro returns the remote device ready substate machine - */ -#define scic_sds_remote_device_get_ready_substate_machine(this_device) \ - (&(this_device)->ready_substate_machine) - -/** * scic_sds_remote_device_get_port() - * * This macro returns the owning port of this device diff --git a/drivers/scsi/isci/core/scic_sds_remote_node_context.h b/drivers/scsi/isci/core/scic_sds_remote_node_context.h index 86c6d75..c7c75ae 100644 --- a/drivers/scsi/isci/core/scic_sds_remote_node_context.h +++ b/drivers/scsi/isci/core/scic_sds_remote_node_context.h @@ -296,9 +296,6 @@ void scic_sds_remote_node_context_construct_buffer( bool scic_sds_remote_node_context_is_ready( struct scic_sds_remote_node_context *this_rnc); -#define scic_sds_remote_node_context_set_remote_node_index(rnc, rni) \ - ((rnc)->remote_node_index = (rni)) - #define scic_sds_remote_node_context_get_remote_node_index(rcn) \ ((rnc)->remote_node_index) |