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authorEdmund Nadolski <edmund.nadolski@intel.com>2011-05-19 11:59:56 +0000
committerDan Williams <dan.j.williams@intel.com>2011-07-03 04:04:49 -0700
commit6cb5853d3e252015eaf72d3761491e3da959556d (patch)
treee62addf161577f80ed350ef5478a2f9d558a2a48 /drivers
parent0473661a125905240879456567e117ed8a58cf5d (diff)
isci: convert scic_timeout_timer to sci_timer
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/isci/host.c59
-rw-r--r--drivers/scsi/isci/host.h5
2 files changed, 36 insertions, 28 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 7b497f2667b..156b3756376 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 2be935fa6af..80808661ce5 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