);
}
-/*
- * *****************************************************************************
- * * SCIC SDS PHY External Methods
- * ***************************************************************************** */
-
-/**
- * This method returns the object size for a phy object.
- *
- * u32
- */
-
-/**
- * This method returns the minimum number of timers required for a phy object.
- *
- * u32
- */
-
-/**
- * This method returns the maximum number of timers required for a phy object.
- *
- * u32
- */
-
-#ifdef SCIC_DEBUG_ENABLED
-/**
- * scic_sds_phy_observe_state_change() -
- * @our_observer:
- *
- * Debug code to record the state transitions in the phy
- */
-void scic_sds_phy_observe_state_change(
- struct sci_base_observer *our_observer,
- struct sci_base_subject *the_subject)
-{
- struct scic_sds_phy *this_phy;
- struct sci_base_state_machine *the_state_machine;
-
- u8 transition_requestor;
- u32 base_state_id;
- u32 starting_substate_id;
-
- the_state_machine = (struct sci_base_state_machine *)the_subject;
- this_phy = (struct scic_sds_phy *)the_state_machine->state_machine_owner;
-
- if (the_state_machine == &this_phy->parent.state_machine) {
- transition_requestor = 0x01;
- } else if (the_state_machine == &this_phy->starting_substate_machine) {
- transition_requestor = 0x02;
- } else {
- transition_requestor = 0xFF;
- }
-
- base_state_id =
- sci_base_state_machine_get_state(&this_phy->parent.state_machine);
- starting_substate_id =
- sci_base_state_machine_get_state(&this_phy->starting_substate_machine);
-
- this_phy->state_record.state_transition_table[
- this_phy->state_record.index++] = ((transition_requestor << 24)
- | ((u8)base_state_id << 8)
- | ((u8)starting_substate_id));
-
- this_phy->state_record.index =
- this_phy->state_record.index & (MAX_STATE_TRANSITION_RECORD - 1);
-
-}
-#endif /* SCIC_DEBUG_ENABLED */
-
-#ifdef SCIC_DEBUG_ENABLED
-/**
- * scic_sds_phy_initialize_state_recording() -
- *
- * This method initializes the state record debug information for the phy
- * object. The state machines for the phy object must be constructed before
- * this function is called.
- */
-void scic_sds_phy_initialize_state_recording(
- struct scic_sds_phy *this_phy)
-{
- this_phy->state_record.index = 0;
-
- sci_base_observer_initialize(
- &this_phy->state_record.base_state_observer,
- scic_sds_phy_observe_state_change,
- &this_phy->parent.state_machine.parent
- );
-
- sci_base_observer_initialize(
- &this_phy->state_record.starting_state_observer,
- scic_sds_phy_observe_state_change,
- &this_phy->starting_substate_machine.parent
- );
-}
-#endif /* SCIC_DEBUG_ENABLED */
-
/**
* This method will construct the struct scic_sds_phy object
* @this_phy:
scic_sds_phy_starting_substates,
SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL
);
-
- #ifdef SCIC_DEBUG_ENABLED
- scic_sds_phy_initialize_state_recording(this_phy);
- #endif /* SCIC_DEBUG_ENABLED */
}
/**
struct scic_sds_port;
struct scic_sds_controller;
-#ifdef SCIC_DEBUG_ENABLED
-#define MAX_STATE_TRANSITION_RECORD (256)
-
-/**
- *
- *
- * Debug code to record the state transitions for the phy object
- */
-struct scic_sds_phy_state_record {
- struct sci_base_observer base_state_observer;
- struct sci_base_observer starting_state_observer;
-
- u16 index;
-
- u32 state_transition_table[MAX_STATE_TRANSITION_RECORD];
-
-};
-#endif /* SCIC_DEBUG_ENABLED */
-
/**
* This enumeration provides a named phy type for the state machine
*
struct sci_base_state_machine starting_substate_machine;
- #ifdef SCIC_DEBUG_ENABLED
- struct scic_sds_phy_state_record state_record;
- #endif /* SCIC_DEBUG_ENABLED */
-
/**
* This field points to the link layer register set within the SCU.
*/
*
*/
+#include <linux/kernel.h>
#include "sci_controller_constants.h"
#include "intel_sas.h"
#include "sci_base_port.h"
#define scic_sds_port_get_index(this_port) \
((this_port)->physical_port_index)
-/**
- * scic_sds_port_increment_request_count() -
- *
- * Helper macro to increment the started request count
- */
-#define scic_sds_port_increment_request_count(this_port) \
- ((this_port)->started_request_count++)
-#ifdef SCIC_DEBUG_ENABLED
-/**
- * scic_sds_port_decrement_request_count() - This method decrements the started
- * io request count. The method will not decrment the started io request
- * count below 0 and will log a debug message if this is attempted.
- *
- *
- */
-void scic_sds_port_decrement_request_count(
- struct scic_sds_port *this_port);
-#else
-/**
- * scic_sds_port_decrement_request_count() -
- *
- * Helper macro to decrement the started io request count. The macro will not
- * decrement the started io request count below 0.
- */
-#define scic_sds_port_decrement_request_count(this_port) \
- (\
- (this_port)->started_request_count = (\
- ((this_port)->started_request_count == 0) ? \
- (this_port)->started_request_count : \
- ((this_port)->started_request_count - 1) \
- ) \
- )
-#endif
+static inline void scic_sds_port_increment_request_count(struct scic_sds_port *sci_port)
+{
+ sci_port->started_request_count++;
+}
+
+static inline void scic_sds_port_decrement_request_count(struct scic_sds_port *sci_port)
+{
+ if (WARN_ONCE(sci_port->started_request_count == 0,
+ "%s: tried to decrement started_request_count past 0!?",
+ __func__))
+ /* pass */;
+ else
+ sci_port->started_request_count--;
+}
/**
* scic_sds_port_write_phy_assignment() -
git.openpandora.org / pandora-kernel.git / commitdiff