From 6cb5853d3e252015eaf72d3761491e3da959556d Mon Sep 17 00:00:00 2001 From: Edmund Nadolski Date: Thu, 19 May 2011 11:59:56 +0000 Subject: isci: convert scic_timeout_timer to sci_timer Signed-off-by: Edmund Nadolski Signed-off-by: Dan Williams --- drivers/scsi/isci/host.c | 59 ++++++++++++++++++++++++++++-------------------- drivers/scsi/isci/host.h | 5 ++-- 2 files changed, 36 insertions(+), 28 deletions(-) diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 7b497f2667b7..156b37563761 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -1115,7 +1115,7 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic, scic_sds_controller_start_next_phy(scic); - isci_timer_start(scic->timeout_timer, timeout); + sci_mod_timer(&scic->timer, timeout); sci_base_state_machine_change_state(&scic->state_machine, SCI_BASE_CONTROLLER_STATE_STARTING); @@ -1296,7 +1296,7 @@ static enum sci_status scic_controller_stop(struct scic_sds_controller *scic, return SCI_FAILURE_INVALID_STATE; } - isci_timer_start(scic->timeout_timer, timeout); + sci_mod_timer(&scic->timer, timeout); sci_base_state_machine_change_state(&scic->state_machine, SCI_BASE_CONTROLLER_STATE_STOPPING); return SCI_SUCCESS; @@ -1376,6 +1376,8 @@ void isci_host_deinit(struct isci_host *ihost) del_timer_sync(&ihost->sci.power_control.timer.timer); + del_timer_sync(&ihost->sci.timer.timer); + isci_timer_list_destroy(ihost); } @@ -1433,7 +1435,7 @@ static inline void scic_sds_controller_starting_state_exit(struct sci_base_state { struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine); - isci_timer_stop(scic->timeout_timer); + sci_del_timer(&scic->timer); } #define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_LOWER_BOUND_NS 853 @@ -1669,7 +1671,7 @@ static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machin { struct scic_sds_controller *scic = container_of(sm, typeof(*scic), state_machine); - isci_timer_stop(scic->timeout_timer); + sci_del_timer(&scic->timer); } @@ -1776,7 +1778,33 @@ static void scic_sds_controller_set_default_config_parameters(struct scic_sds_co scic->user_parameters.sds1.no_outbound_task_timeout = 20; } +static void controller_timeout(unsigned long data) +{ + struct sci_timer *tmr = (struct sci_timer *)data; + struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), timer); + struct isci_host *ihost = scic_to_ihost(scic); + struct sci_base_state_machine *sm = &scic->state_machine; + unsigned long flags; + + spin_lock_irqsave(&ihost->scic_lock, flags); + + if (tmr->cancel) + goto done; + + 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), + "%s: Controller timer fired when controller was not " + "in a state being timed.\n", + __func__); +done: + spin_unlock_irqrestore(&ihost->scic_lock, flags); +} /** * scic_controller_construct() - This method will attempt to construct a @@ -1826,6 +1854,8 @@ static enum sci_status scic_controller_construct(struct scic_sds_controller *sci scic->invalid_phy_mask = 0; + sci_init_timer(&scic->timer, controller_timeout); + /* Set the default maximum values */ scic->completion_event_entries = SCU_EVENT_COUNT; scic->completion_queue_entries = SCU_COMPLETION_QUEUE_COUNT; @@ -1901,24 +1931,6 @@ void scic_oem_parameters_get( memcpy(scic_parms, (&scic->oem_parameters), sizeof(*scic_parms)); } -static void scic_sds_controller_timeout_handler(void *_scic) -{ - struct scic_sds_controller *scic = _scic; - struct isci_host *ihost = scic_to_ihost(scic); - struct sci_base_state_machine *sm = &scic->state_machine; - - 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), - "%s: Controller timer fired when controller was not " - "in a state being timed.\n", - __func__); -} - static enum sci_status scic_sds_controller_initialize_phy_startup(struct scic_sds_controller *scic) { struct isci_host *ihost = scic_to_ihost(scic); @@ -2246,9 +2258,6 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc sci_base_state_machine_change_state(sm, SCI_BASE_CONTROLLER_STATE_INITIALIZING); - scic->timeout_timer = isci_timer_create(ihost, scic, - scic_sds_controller_timeout_handler); - scic_sds_controller_initialize_phy_startup(scic); scic_sds_controller_initialize_power_control(scic); diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 2be935fa6af2..80808661ce5c 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -137,10 +137,9 @@ struct scic_sds_controller { struct sci_base_state_machine state_machine; /** - * This field is the driver timer object handler used to time the controller - * object start and stop requests. + * Timer for controller start/stop operations. */ - void *timeout_timer; + struct sci_timer timer; /** * This field contains the user parameters to be utilized for this -- cgit v1.2.2