isci: namespacecheck cleanups

* mark needlessly global routines static
* delete unused functions
* move kernel-doc blocks from header files to source
* reorder some functions to delete declarations
* more default handler cleanups phy

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/scsi/isci/core/sci_base_port.h

@@ -188,16 +188,4 @@ struct sci_base_port_state_handler {
 	SCI_BASE_PORT_PHY_HANDLER_T remove_phy_handler;
 
 };
-
-/**
- * sci_base_port_construct() - Construct the base port object
- * @this_port: This parameter specifies the base port to be constructed.
- * @state_table: This parameter specifies the table of state definitions to be
- *    utilized for the domain state machine.
- *
- */
-void sci_base_port_construct(
-	struct sci_base_port *this_port,
-	const struct sci_base_state *state_table);
-
 #endif /* _SCI_BASE_PORT_H_ */

drivers/scsi/isci/core/scic_config_parameters.h

@@ -260,19 +260,6 @@ enum sci_status scic_user_parameters_set(
 	struct scic_sds_controller *controller,
 	union scic_user_parameters *user_parameters);
 
-/**
- * scic_user_parameters_get() - This method allows the user to retrieve the
- *    user parameters utilized by the controller.
- * @controller: This parameter specifies the controller on which to set the
- *    user parameters.
- * @user_parameters: This parameter specifies the USER_PARAMETERS object into
- *    which the framework shall save it's parameters.
- *
- */
-void scic_user_parameters_get(
-	struct scic_sds_controller *controller,
-	union scic_user_parameters *user_parameters);
-
 /**
  * scic_oem_parameters_set() - This method allows the user to attempt to change
  *    the OEM parameters utilized by the controller.

drivers/scsi/isci/core/scic_controller.h

@@ -56,14 +56,6 @@
 #ifndef _SCIC_CONTROLLER_H_
 #define _SCIC_CONTROLLER_H_
 
-/**
- * This file contains all of the interface methods that can be called by an
- *    SCIC user on a controller object.
- *
- *
- */
-
-
 #include "sci_status.h"
 #include "sci_controller.h"
 #include "scic_config_parameters.h"
@@ -79,417 +71,77 @@ enum sci_controller_mode {
 	SCI_MODE_SIZE		/* Optimized for memory use */
 };
 
-
-/**
- * scic_controller_construct() - This method will attempt to construct a
- *    controller object utilizing the supplied parameter information.
- * @c: This parameter specifies the controller to be constructed.
- * @scu_base: mapped base address of the scu registers
- * @smu_base: mapped base address of the smu registers
- *
- * Indicate if the controller was successfully constructed or if it failed in
- * some way. SCI_SUCCESS This value is returned if the controller was
- * successfully constructed. SCI_WARNING_TIMER_CONFLICT This value is returned
- * if the interrupt coalescence timer may cause SAS compliance issues for SMP
- * Target mode response processing. SCI_FAILURE_UNSUPPORTED_CONTROLLER_TYPE
- * This value is returned if the controller does not support the supplied type.
- * SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION This value is returned if the
- * controller does not support the supplied initialization data version.
- */
 enum sci_status scic_controller_construct(struct scic_sds_controller *c,
 					  void __iomem *scu_base,
 					  void __iomem *smu_base);
 
-/**
- * scic_controller_enable_interrupts() - This method will enable all controller
- *    interrupts.
- * @controller: This parameter specifies the controller for which to enable
- *    interrupts.
- *
- */
 void scic_controller_enable_interrupts(
 	struct scic_sds_controller *controller);
 
-/**
- * scic_controller_disable_interrupts() - This method will disable all
- *    controller interrupts.
- * @controller: This parameter specifies the controller for which to disable
- *    interrupts.
- *
- */
 void scic_controller_disable_interrupts(
 	struct scic_sds_controller *controller);
 
-
-/**
- * scic_controller_initialize() - This method will initialize the controller
- *    hardware managed by the supplied core controller object.  This method
- *    will bring the physical controller hardware out of reset and enable the
- *    core to determine the capabilities of the hardware being managed.  Thus,
- *    the core controller can determine it's exact physical (DMA capable)
- *    memory requirements.
- * @controller: This parameter specifies the controller to be initialized.
- *
- * The SCI Core user must have called scic_controller_construct() on the
- * supplied controller object previously. Indicate if the controller was
- * successfully initialized or if it failed in some way. SCI_SUCCESS This value
- * is returned if the controller hardware was successfully initialized.
- */
 enum sci_status scic_controller_initialize(
 	struct scic_sds_controller *controller);
 
-/**
- * scic_controller_get_suggested_start_timeout() - This method returns the
- *    suggested scic_controller_start() timeout amount.  The user is free to
- *    use any timeout value, but this method provides the suggested minimum
- *    start timeout value.  The returned value is based upon empirical
- *    information determined as a result of interoperability testing.
- * @controller: the handle to the controller object for which to return the
- *    suggested start timeout.
- *
- * This method returns the number of milliseconds for the suggested start
- * operation timeout.
- */
 u32 scic_controller_get_suggested_start_timeout(
 	struct scic_sds_controller *controller);
 
-/**
- * scic_controller_start() - This method will start the supplied core
- *    controller.  This method will start the staggered spin up operation.  The
- *    SCI User completion callback is called when the following conditions are
- *    met: -# the return status of this method is SCI_SUCCESS. -# after all of
- *    the phys have successfully started or been given the opportunity to start.
- * @controller: the handle to the controller object to start.
- * @timeout: This parameter specifies the number of milliseconds in which the
- *    start operation should complete.
- *
- * The SCI Core user must have filled in the physical memory descriptor
- * structure via the sci_controller_get_memory_descriptor_list() method. The
- * SCI Core user must have invoked the scic_controller_initialize() method
- * prior to invoking this method. The controller must be in the INITIALIZED or
- * STARTED state. Indicate if the controller start method succeeded or failed
- * in some way. SCI_SUCCESS if the start operation succeeded.
- * SCI_WARNING_ALREADY_IN_STATE if the controller is already in the STARTED
- * state. SCI_FAILURE_INVALID_STATE if the controller is not either in the
- * INITIALIZED or STARTED states. SCI_FAILURE_INVALID_MEMORY_DESCRIPTOR if
- * there are inconsistent or invalid values in the supplied
- * struct sci_physical_memory_descriptor array.
- */
 enum sci_status scic_controller_start(
 	struct scic_sds_controller *controller,
 	u32 timeout);
 
-/**
- * scic_controller_stop() - This method will stop an individual controller
- *    object.This method will invoke the associated user callback upon
- *    completion.  The completion callback is called when the following
- *    conditions are met: -# the method return status is SCI_SUCCESS. -# the
- *    controller has been quiesced. This method will ensure that all IO
- *    requests are quiesced, phys are stopped, and all additional operation by
- *    the hardware is halted.
- * @controller: the handle to the controller object to stop.
- * @timeout: This parameter specifies the number of milliseconds in which the
- *    stop operation should complete.
- *
- * The controller must be in the STARTED or STOPPED state. Indicate if the
- * controller stop method succeeded or failed in some way. SCI_SUCCESS if the
- * stop operation successfully began. SCI_WARNING_ALREADY_IN_STATE if the
- * controller is already in the STOPPED state. SCI_FAILURE_INVALID_STATE if the
- * controller is not either in the STARTED or STOPPED states.
- */
 enum sci_status scic_controller_stop(
 	struct scic_sds_controller *controller,
 	u32 timeout);
 
-/**
- * scic_controller_reset() - This method will reset the supplied core
- *    controller regardless of the state of said controller.  This operation is
- *    considered destructive.  In other words, all current operations are wiped
- *    out.  No IO completions for outstanding devices occur.  Outstanding IO
- *    requests are not aborted or completed at the actual remote device.
- * @controller: the handle to the controller object to reset.
- *
- * Indicate if the controller reset method succeeded or failed in some way.
- * SCI_SUCCESS if the reset operation successfully started. SCI_FATAL_ERROR if
- * the controller reset operation is unable to complete.
- */
 enum sci_status scic_controller_reset(
 	struct scic_sds_controller *controller);
 
-/**
- * scic_controller_start_io() - This method is called by the SCI user to
- *    send/start an IO request. If the method invocation is successful, then
- *    the IO request has been queued to the hardware for processing.
- * @controller: the handle to the controller object for which to start an IO
- *    request.
- * @remote_device: the handle to the remote device object for which to start an
- *    IO request.
- * @io_request: the handle to the io request object to start.
- * @io_tag: This parameter specifies a previously allocated IO tag that the
- *    user desires to be utilized for this request. This parameter is optional.
- *     The user is allowed to supply SCI_CONTROLLER_INVALID_IO_TAG as the value
- *    for this parameter.
- *
- * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner.  This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - For SATA, the user is required to manage NCQ tags.  As a
- * result, it is expected the user will have set the NCQ tag field in the host
- * to device register FIS prior to calling this method.  There is also a
- * requirement for the user to call scic_stp_io_set_ncq_tag() prior to invoking
- * the scic_controller_start_io() method. scic_controller_allocate_tag() for
- * more information on allocating a tag. Indicate if the controller
- * successfully started the IO request. SCI_IO_SUCCESS if the IO request was
- * successfully started. Determine the failure situations and return values.
- */
 enum sci_io_status scic_controller_start_io(
 	struct scic_sds_controller *controller,
 	struct scic_sds_remote_device *remote_device,
 	struct scic_sds_request *io_request,
 	u16 io_tag);
 
-
-/**
- * scic_controller_start_task() - This method is called by the SCIC user to
- *    send/start a framework task management request.
- * @controller: the handle to the controller object for which to start the task
- *    management request.
- * @remote_device: the handle to the remote device object for which to start
- *    the task management request.
- * @task_request: the handle to the task request object to start.
- * @io_tag: This parameter specifies a previously allocated IO tag that the
- *    user desires to be utilized for this request.  Note this not the io_tag
- *    of the request being managed.  It is to be utilized for the task request
- *    itself. This parameter is optional.  The user is allowed to supply
- *    SCI_CONTROLLER_INVALID_IO_TAG as the value for this parameter.
- *
- * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner.  This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - The user must synchronize this task with completion
- * queue processing.  If they are not synchronized then it is possible for the
- * io requests that are being managed by the task request can complete before
- * starting the task request. scic_controller_allocate_tag() for more
- * information on allocating a tag. Indicate if the controller successfully
- * started the IO request. SCI_TASK_SUCCESS if the task request was
- * successfully started. SCI_TASK_FAILURE_REQUIRES_SCSI_ABORT This value is
- * returned if there is/are task(s) outstanding that require termination or
- * completion before this request can succeed.
- */
 enum sci_task_status scic_controller_start_task(
 	struct scic_sds_controller *controller,
 	struct scic_sds_remote_device *remote_device,
 	struct scic_sds_request *task_request,
 	u16 io_tag);
 
-/**
- * scic_controller_complete_task() - This method will perform core specific
- *    completion operations for task management request. After this method is
- *    invoked, the user should consider the task request as invalid until it is
- *    properly reused (i.e. re-constructed).
- * @controller: The handle to the controller object for which to complete the
- *    task management request.
- * @remote_device: The handle to the remote device object for which to complete
- *    the task management request.
- * @task_request: the handle to the task management request object to complete.
- *
- * Indicate if the controller successfully completed the task management
- * request. SCI_SUCCESS if the completion process was successful.
- */
 enum sci_status scic_controller_complete_task(
 	struct scic_sds_controller *controller,
 	struct scic_sds_remote_device *remote_device,
 	struct scic_sds_request *task_request);
 
-
-/**
- * scic_controller_terminate_request() - This method is called by the SCI Core
- *    user to terminate an ongoing (i.e. started) core IO request.  This does
- *    not abort the IO request at the target, but rather removes the IO request
- *    from the host controller.
- * @controller: the handle to the controller object for which to terminate a
- *    request.
- * @remote_device: the handle to the remote device object for which to
- *    terminate a request.
- * @request: the handle to the io or task management request object to
- *    terminate.
- *
- * Indicate if the controller successfully began the terminate process for the
- * IO request. SCI_SUCCESS if the terminate process was successfully started
- * for the request. Determine the failure situations and return values.
- */
 enum sci_status scic_controller_terminate_request(
 	struct scic_sds_controller *controller,
 	struct scic_sds_remote_device *remote_device,
 	struct scic_sds_request *request);
 
-/**
- * scic_controller_complete_io() - This method will perform core specific
- *    completion operations for an IO request.  After this method is invoked,
- *    the user should consider the IO request as invalid until it is properly
- *    reused (i.e. re-constructed).
- * @controller: The handle to the controller object for which to complete the
- *    IO request.
- * @remote_device: The handle to the remote device object for which to complete
- *    the IO request.
- * @io_request: the handle to the io request object to complete.
- *
- * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner.  This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
- * Core user, using the scic_controller_allocate_io_tag() method, then it is
- * the responsibility of the caller to invoke the scic_controller_free_io_tag()
- * method to free the tag (i.e. this method will not free the IO tag). Indicate
- * if the controller successfully completed the IO request. SCI_SUCCESS if the
- * completion process was successful.
- */
 enum sci_status scic_controller_complete_io(
 	struct scic_sds_controller *controller,
 	struct scic_sds_remote_device *remote_device,
 	struct scic_sds_request *io_request);
 
-
-/**
- * scic_controller_get_port_handle() - This method simply provides the user
- *    with a unique handle for a given SAS/SATA core port index.
- * @controller: This parameter represents the handle to the controller object
- *    from which to retrieve a port (SAS or SATA) handle.
- * @port_index: This parameter specifies the port index in the controller for
- *    which to retrieve the port handle. 0 <= port_index < maximum number of
- *    phys.
- * @port_handle: This parameter specifies the retrieved port handle to be
- *    provided to the caller.
- *
- * Indicate if the retrieval of the port handle was successful. SCI_SUCCESS
- * This value is returned if the retrieval was successful.
- * SCI_FAILURE_INVALID_PORT This value is returned if the supplied port id is
- * not in the supported range.
- */
 enum sci_status scic_controller_get_port_handle(
 	struct scic_sds_controller *controller,
 	u8 port_index,
 	struct scic_sds_port **port_handle);
 
-/**
- * scic_controller_get_phy_handle() - This method simply provides the user with
- *    a unique handle for a given SAS/SATA phy index/identifier.
- * @controller: This parameter represents the handle to the controller object
- *    from which to retrieve a phy (SAS or SATA) handle.
- * @phy_index: This parameter specifies the phy index in the controller for
- *    which to retrieve the phy handle. 0 <= phy_index < maximum number of phys.
- * @phy_handle: This parameter specifies the retrieved phy handle to be
- *    provided to the caller.
- *
- * Indicate if the retrieval of the phy handle was successful. SCI_SUCCESS This
- * value is returned if the retrieval was successful. SCI_FAILURE_INVALID_PHY
- * This value is returned if the supplied phy id is not in the supported range.
- */
 enum sci_status scic_controller_get_phy_handle(
 	struct scic_sds_controller *controller,
 	u8 phy_index,
 	struct scic_sds_phy **phy_handle);
 
-/**
- * scic_controller_allocate_io_tag() - This method will allocate a tag from the
- *    pool of free IO tags. Direct allocation of IO tags by the SCI Core user
- *    is optional. The scic_controller_start_io() method will allocate an IO
- *    tag if this method is not utilized and the tag is not supplied to the IO
- *    construct routine.  Direct allocation of IO tags may provide additional
- *    performance improvements in environments capable of supporting this usage
- *    model.  Additionally, direct allocation of IO tags also provides
- *    additional flexibility to the SCI Core user.  Specifically, the user may
- *    retain IO tags across the lives of multiple IO requests.
- * @controller: the handle to the controller object for which to allocate the
- *    tag.
- *
- * IO tags are a protected resource.  It is incumbent upon the SCI Core user to
- * ensure that each of the methods that may allocate or free available IO tags
- * are handled in a mutually exclusive manner.  This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). An unsigned integer representing an available IO tag.
- * SCI_CONTROLLER_INVALID_IO_TAG This value is returned if there are no
- * currently available tags to be allocated. All return other values indicate a
- * legitimate tag.
- */
 u16 scic_controller_allocate_io_tag(
 	struct scic_sds_controller *controller);
 
-/**
- * scic_controller_free_io_tag() - This method will free an IO tag to the pool
- *    of free IO tags. This method provides the SCI Core user more flexibility
- *    with regards to IO tags.  The user may desire to keep an IO tag after an
- *    IO request has completed, because they plan on re-using the tag for a
- *    subsequent IO request.  This method is only legal if the tag was
- *    allocated via scic_controller_allocate_io_tag().
- * @controller: This parameter specifies the handle to the controller object
- *    for which to free/return the tag.
- * @io_tag: This parameter represents the tag to be freed to the pool of
- *    available tags.
- *
- * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner.  This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
- * Core user, using the scic_controller_allocate_io_tag() method, then it is
- * the responsibility of the caller to invoke this method to free the tag. This
- * method returns an indication of whether the tag was successfully put back
- * (freed) to the pool of available tags. SCI_SUCCESS This return value
- * indicates the tag was successfully placed into the pool of available IO
- * tags. SCI_FAILURE_INVALID_IO_TAG This value is returned if the supplied tag
- * is not a valid IO tag value.
- */
 enum sci_status scic_controller_free_io_tag(
 	struct scic_sds_controller *controller,
 	u16 io_tag);
 
-
-
-
-/**
- * scic_controller_set_mode() - This method allows the user to configure the
- *    SCI core into either a performance mode or a memory savings mode.
- * @controller: This parameter represents the handle to the controller object
- *    for which to update the operating mode.
- * @mode: This parameter specifies the new mode for the controller.
- *
- * Indicate if the user successfully change the operating mode of the
- * controller. SCI_SUCCESS The user successfully updated the mode.
- */
-enum sci_status scic_controller_set_mode(
-	struct scic_sds_controller *controller,
-	enum sci_controller_mode mode);
-
-
-/**
- * scic_controller_set_interrupt_coalescence() - This method allows the user to
- *    configure the interrupt coalescence.
- * @controller: This parameter represents the handle to the controller object
- *    for which its interrupt coalesce register is overridden.
- * @coalesce_number: Used to control the number of entries in the Completion
- *    Queue before an interrupt is generated. If the number of entries exceed
- *    this number, an interrupt will be generated. The valid range of the input
- *    is [0, 256]. A setting of 0 results in coalescing being disabled.
- * @coalesce_timeout: Timeout value in microseconds. The valid range of the
- *    input is [0, 2700000] . A setting of 0 is allowed and results in no
- *    interrupt coalescing timeout.
- *
- * Indicate if the user successfully set the interrupt coalesce parameters.
- * SCI_SUCCESS The user successfully updated the interrutp coalescence.
- * SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range.
- */
-enum sci_status scic_controller_set_interrupt_coalescence(
-	struct scic_sds_controller *controller,
-	u32 coalesce_number,
-	u32 coalesce_timeout);
-
 struct device;
 struct scic_sds_controller *scic_controller_alloc(struct device *dev);
-
-
 #endif  /* _SCIC_CONTROLLER_H_ */
-

drivers/scsi/isci/core/scic_io_request.h

@@ -325,7 +325,7 @@ enum sci_status scic_io_request_construct(
 	struct scic_sds_remote_device *scic_remote_device,
 	u16 io_tag,
 	void *user_io_request_object,
-	void *scic_io_request_memory,
+	struct scic_sds_request *scic_io_request_memory,
 	struct scic_sds_request **new_scic_io_request_handle);
 
 /**

drivers/scsi/isci/core/scic_port.h

@@ -56,14 +56,6 @@
 #ifndef _SCIC_PORT_H_
 #define _SCIC_PORT_H_
 
-/**
- * This file contains all of the interface methods that can be called by an SCI
- *    Core user on a SAS or SATA port.
- *
- *
- */
-
-
 #include "sci_status.h"
 #include "intel_sas.h"
 
@@ -78,118 +70,28 @@ enum SCIC_PORT_NOT_READY_REASON_CODE {
 	SCIC_PORT_NOT_READY_REASON_CODE_MAX
 };
 
-/**
- * struct scic_port_end_point_properties - This structure defines the
- *    properties that can be retrieved for each end-point local or remote
- *    (attached) port in the controller.
- *
- *
- */
 struct scic_port_end_point_properties {
-	/**
-	 * This field indicates the SAS address for the associated end
-	 * point in the port.
-	 */
 	struct sci_sas_address sas_address;
-
-	/**
-	 * This field indicates the protocols supported by the associated
-	 * end-point in the port.
-	 */
 	struct sci_sas_identify_address_frame_protocols protocols;
 
 };
 
-/**
- * struct scic_port_properties - This structure defines the properties that can
- *    be retrieved for each port in the controller.
- *
- *
- */
 struct scic_port_properties {
-	/**
-	 * This field specifies the logical index of the port (0 relative).
-	 */
 	u32 index;
-
-	/**
-	 * This field indicates the local end-point properties for port.
-	 */
 	struct scic_port_end_point_properties local;
-
-	/**
-	 * This field indicates the remote (attached) end-point properties
-	 * for the port.
-	 */
 	struct scic_port_end_point_properties remote;
-
-	/**
-	 * This field specifies the phys contained inside the port.
-	 */
 	u32 phy_mask;
-
 };
 
-/**
- * scic_port_get_properties() - This method simply returns the properties
- *    regarding the port, such as: physical index, protocols, sas address, etc.
- * @port: this parameter specifies the port for which to retrieve the physical
- *    index.
- * @properties: This parameter specifies the properties structure into which to
- *    copy the requested information.
- *
- * Indicate if the user specified a valid port. SCI_SUCCESS This value is
- * returned if the specified port was valid. SCI_FAILURE_INVALID_PORT This
- * value is returned if the specified port is not valid.  When this value is
- * returned, no data is copied to the properties output parameter.
- */
 enum sci_status scic_port_get_properties(
 	struct scic_sds_port *port,
 	struct scic_port_properties *properties);
 
-/**
- * scic_port_stop() - This method will make the port no longer ready for
- *    operation.  After invoking this method IO operation is not possible.
- * @port: This parameter specifies the port to be stopped.
- *
- * Indicate if the port was successfully stopped. SCI_SUCCESS This value is
- * returned if the port was successfully stopped. SCI_WARNING_ALREADY_IN_STATE
- * This value is returned if the port is already stopped or in the process of
- * stopping. SCI_FAILURE_INVALID_PORT This value is returned if the supplied
- * port is not valid. SCI_FAILURE_INVALID_STATE This value is returned if a
- * stop operation can't be completed due to the state of port.
- */
-enum sci_status scic_port_stop(
-	struct scic_sds_port *port);
-
-/**
- * scic_port_hard_reset() - This method will request the SCI implementation to
- *    perform a HARD RESET on the SAS Port.  If/When the HARD RESET completes
- *    the SCI user will be notified via an SCI OS callback indicating a direct
- *    attached device was found.
- * @port: a handle corresponding to the SAS port to be hard reset.
- * @reset_timeout: This parameter specifies the number of milliseconds in which
- *    the port reset operation should complete.
- *
- * The SCI User callback in SCIC_USER_CALLBACKS_T will only be called once for
- * each phy in the SAS Port at completion of the hard reset sequence. Return a
- * status indicating whether the hard reset started successfully. SCI_SUCCESS
- * This value is returned if the hard reset operation started successfully.
- */
 enum sci_status scic_port_hard_reset(
 	struct scic_sds_port *port,
 	u32 reset_timeout);
 
-/**
- * scic_port_enable_broadcast_change_notification() - This API method enables
- *    the broadcast change notification from underneath hardware.
- * @port: The port upon which broadcast change notifications (BCN) are to be
- *    enabled.
- *
- */
 void scic_port_enable_broadcast_change_notification(
 	struct scic_sds_port *port);
 
-
 #endif  /* _SCIC_PORT_H_ */
-

drivers/scsi/isci/core/scic_sds_controller.c

@@ -219,98 +219,33 @@ sci_controller_get_memory_descriptor_list_handle(struct scic_sds_controller *sci
        return &scic->parent.mdl;
 }
 
-/*
- * ****************************************************************************-
- * * SCIC SDS Controller Initialization Methods
- * ****************************************************************************- */
-
-/**
- * This timer is used to start another phy after we have given up on the
- *    previous phy to transition to the ready state.
- *
- *
- */
-static void scic_sds_controller_phy_startup_timeout_handler(
-	void *controller)
-{
-	enum sci_status status;
-	struct scic_sds_controller *this_controller;
-
-	this_controller = (struct scic_sds_controller *)controller;
-
-	this_controller->phy_startup_timer_pending = false;
-
-	status = SCI_FAILURE;
-
-	while (status != SCI_SUCCESS) {
-		status = scic_sds_controller_start_next_phy(this_controller);
-	}
-}
-
-/**
- *
- *
- * This method initializes the phy startup operations for controller start.
- */
-enum sci_status scic_sds_controller_initialize_phy_startup(
-		struct scic_sds_controller *scic)
+static void scic_sds_controller_initialize_power_control(struct scic_sds_controller *scic)
 {
 	struct isci_host *ihost = sci_object_get_association(scic);
+	scic->power_control.timer = isci_timer_create(ihost,
+						      scic,
+					scic_sds_controller_power_control_timer_handler);
 
-	scic->phy_startup_timer = isci_timer_create(ihost,
-						    scic,
-						    scic_sds_controller_phy_startup_timeout_handler);
-
-	if (scic->phy_startup_timer == NULL)
-		return SCI_FAILURE_INSUFFICIENT_RESOURCES;
-	else {
-		scic->next_phy_to_start = 0;
-		scic->phy_startup_timer_pending = false;
-	}
-
-	return SCI_SUCCESS;
-}
-
-/**
- *
- *
- * This method initializes the power control operations for the controller
- * object.
- */
-void scic_sds_controller_initialize_power_control(
-		struct scic_sds_controller *scic)
-{
-	struct isci_host *ihost = sci_object_get_association(scic);
-	scic->power_control.timer = isci_timer_create(
-			ihost,
-			scic,
-			scic_sds_controller_power_control_timer_handler);
-
-	memset(scic->power_control.requesters,
-	       0,
+	memset(scic->power_control.requesters, 0,
 	       sizeof(scic->power_control.requesters));
 
 	scic->power_control.phys_waiting = 0;
 	scic->power_control.phys_granted_power = 0;
 }
 
-/* --------------------------------------------------------------------------- */
-
 #define SCU_REMOTE_NODE_CONTEXT_ALIGNMENT       (32)
 #define SCU_TASK_CONTEXT_ALIGNMENT              (256)
 #define SCU_UNSOLICITED_FRAME_ADDRESS_ALIGNMENT (64)
 #define SCU_UNSOLICITED_FRAME_BUFFER_ALIGNMENT  (1024)
 #define SCU_UNSOLICITED_FRAME_HEADER_ALIGNMENT  (64)
 
-/* --------------------------------------------------------------------------- */
-
 /**
  * This method builds the memory descriptor table for this controller.
  * @this_controller: This parameter specifies the controller object for which
  *    to build the memory table.
  *
  */
-void scic_sds_controller_build_memory_descriptor_table(
+static void scic_sds_controller_build_memory_descriptor_table(
 	struct scic_sds_controller *this_controller)
 {
 	sci_base_mde_construct(
@@ -356,7 +291,7 @@ void scic_sds_controller_build_memory_descriptor_table(
  *
  * enum sci_status
  */
-enum sci_status scic_sds_controller_validate_memory_descriptor_table(
+static enum sci_status scic_sds_controller_validate_memory_descriptor_table(
 	struct scic_sds_controller *this_controller)
 {
 	bool mde_list_valid;
@@ -410,7 +345,7 @@ enum sci_status scic_sds_controller_validate_memory_descriptor_table(
  * @this_controller:
  *
  */
-void scic_sds_controller_ram_initialization(
+static void scic_sds_controller_ram_initialization(
 	struct scic_sds_controller *this_controller)
 {
 	struct sci_physical_memory_descriptor *mde;
@@ -457,7 +392,7 @@ void scic_sds_controller_ram_initialization(
  * @this_controller:
  *
  */
-void scic_sds_controller_assign_task_entries(
+static void scic_sds_controller_assign_task_entries(
 	struct scic_sds_controller *this_controller)
 {
 	u32 task_assignment;
@@ -483,7 +418,7 @@ void scic_sds_controller_assign_task_entries(
  *
  *
  */
-void scic_sds_controller_initialize_completion_queue(
+static void scic_sds_controller_initialize_completion_queue(
 	struct scic_sds_controller *this_controller)
 {
 	u32 index;
@@ -533,7 +468,7 @@ void scic_sds_controller_initialize_completion_queue(
  *
  *
  */
-void scic_sds_controller_initialize_unsolicited_frame_queue(
+static void scic_sds_controller_initialize_unsolicited_frame_queue(
 	struct scic_sds_controller *this_controller)
 {
 	u32 frame_queue_control_value;
@@ -565,7 +500,7 @@ void scic_sds_controller_initialize_unsolicited_frame_queue(
  *
  *
  */
-void scic_sds_controller_enable_port_task_scheduler(
+static void scic_sds_controller_enable_port_task_scheduler(
 	struct scic_sds_controller *this_controller)
 {
 	u32 port_task_scheduler_value;
@@ -578,8 +513,6 @@ void scic_sds_controller_enable_port_task_scheduler(
 	SCU_PTSGCR_WRITE(this_controller, port_task_scheduler_value);
 }
 
-/* --------------------------------------------------------------------------- */
-
 /**
  *
  *
@@ -591,7 +524,7 @@ void scic_sds_controller_enable_port_task_scheduler(
 /* Initialize the AFE for this phy index. We need to read the AFE setup from
  * the OEM parameters none
  */
-void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
+static void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
 {
 	const struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
 	u32 afe_status;
@@ -746,7 +679,7 @@ static void scic_sds_controller_transition_to_ready(
 	}
 }
 
-void scic_sds_controller_timeout_handler(void *_scic)
+static void scic_sds_controller_timeout_handler(void *_scic)
 {
 	struct scic_sds_controller *scic = _scic;
 	struct isci_host *ihost = sci_object_get_association(scic);
@@ -764,7 +697,7 @@ void scic_sds_controller_timeout_handler(void *_scic)
 			__func__);
 }
 
-enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic)
 {
 	u32 index;
 	enum sci_status port_status;
@@ -802,8 +735,7 @@ static inline void scic_sds_controller_phy_timer_start(
 	scic->phy_startup_timer_pending = true;
 }
 
-inline void scic_sds_controller_phy_timer_stop(
-		struct scic_sds_controller *scic)
+static void scic_sds_controller_phy_timer_stop(struct scic_sds_controller *scic)
 {
 	isci_timer_stop(scic->phy_startup_timer);
 
@@ -811,16 +743,14 @@ inline void scic_sds_controller_phy_timer_stop(
 }
 
 /**
- * This method is called internally by the controller object to start the next
- *    phy on the controller.  If all the phys have been started, then this
- *    method will attempt to transition the controller to the READY state and
- *    inform the user (scic_cb_controller_start_complete()).
- * @this_controller: This parameter specifies the controller object for which
- *    to start the next phy.
+ * scic_sds_controller_start_next_phy - start phy
+ * @scic: controller
  *
- * enum sci_status
+ * If all the phys have been started, then attempt to transition the
+ * controller to the READY state and inform the user
+ * (scic_cb_controller_start_complete()).
  */
-enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *scic)
 {
 	struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
 	struct scic_sds_phy *sci_phy;
@@ -907,14 +837,36 @@ enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *s
 	return status;
 }
 
-/**
- *
- * @this_controller:
- *
- * enum sci_status
- */
-enum sci_status scic_sds_controller_stop_phys(
-	struct scic_sds_controller *this_controller)
+static void scic_sds_controller_phy_startup_timeout_handler(void *_scic)
+{
+	struct scic_sds_controller *scic = _scic;
+	enum sci_status status;
+
+	scic->phy_startup_timer_pending = false;
+	status = SCI_FAILURE;
+	while (status != SCI_SUCCESS)
+		status = scic_sds_controller_start_next_phy(scic);
+}
+
+static enum sci_status scic_sds_controller_initialize_phy_startup(struct scic_sds_controller *scic)
+{
+	struct isci_host *ihost = sci_object_get_association(scic);
+
+	scic->phy_startup_timer = isci_timer_create(ihost,
+						    scic,
+						    scic_sds_controller_phy_startup_timeout_handler);
+
+	if (scic->phy_startup_timer == NULL)
+		return SCI_FAILURE_INSUFFICIENT_RESOURCES;
+	else {
+		scic->next_phy_to_start = 0;
+		scic->phy_startup_timer_pending = false;
+	}
+
+	return SCI_SUCCESS;
+}
+
+static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller *scic)
 {
 	u32 index;
 	enum sci_status status;
@@ -923,7 +875,7 @@ enum sci_status scic_sds_controller_stop_phys(
 	status = SCI_SUCCESS;
 
 	for (index = 0; index < SCI_MAX_PHYS; index++) {
-		phy_status = scic_sds_phy_stop(&this_controller->phy_table[index]);
+		phy_status = scic_sds_phy_stop(&scic->phy_table[index]);
 
 		if (
 			(phy_status != SCI_SUCCESS)
@@ -931,25 +883,18 @@ enum sci_status scic_sds_controller_stop_phys(
 			) {
 			status = SCI_FAILURE;
 
-			dev_warn(scic_to_dev(this_controller),
+			dev_warn(scic_to_dev(scic),
 				 "%s: Controller stop operation failed to stop "
 				 "phy %d because of status %d.\n",
 				 __func__,
-				 this_controller->phy_table[index].phy_index, phy_status);
+				 scic->phy_table[index].phy_index, phy_status);
 		}
 	}
 
 	return status;
 }
 
-/**
- *
- * @this_controller:
- *
- * enum sci_status
- */
-enum sci_status scic_sds_controller_stop_devices(
-	struct scic_sds_controller *this_controller)
+static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controller *scic)
 {
 	u32 index;
 	enum sci_status status;
@@ -957,19 +902,19 @@ enum sci_status scic_sds_controller_stop_devices(
 
 	status = SCI_SUCCESS;
 
-	for (index = 0; index < this_controller->remote_node_entries; index++) {
-		if (this_controller->device_table[index] != NULL) {
+	for (index = 0; index < scic->remote_node_entries; index++) {
+		if (scic->device_table[index] != NULL) {
 			/* / @todo What timeout value do we want to provide to this request? */
-			device_status = scic_remote_device_stop(this_controller->device_table[index], 0);
+			device_status = scic_remote_device_stop(scic->device_table[index], 0);
 
 			if ((device_status != SCI_SUCCESS) &&
 			    (device_status != SCI_FAILURE_INVALID_STATE)) {
-				dev_warn(scic_to_dev(this_controller),
+				dev_warn(scic_to_dev(scic),
 					 "%s: Controller stop operation failed "
 					 "to stop device 0x%p because of "
 					 "status %d.\n",
 					 __func__,
-					 this_controller->device_table[index], device_status);
+					 scic->device_table[index], device_status);
 			}
 		}
 	}
@@ -977,18 +922,7 @@ enum sci_status scic_sds_controller_stop_devices(
 	return status;
 }
 
-/*
- * ****************************************************************************-
- * * SCIC SDS Controller Power Control (Staggered Spinup)
- * ****************************************************************************- */
-
-/**
- * This function starts the power control timer for this controller object.
- *
- * @param scic
- */
-static inline void scic_sds_controller_power_control_timer_start(
-	struct scic_sds_controller *scic)
+static void scic_sds_controller_power_control_timer_start(struct scic_sds_controller *scic)
 {
 	isci_timer_start(scic->power_control.timer,
 			 SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
@@ -996,13 +930,7 @@ static inline void scic_sds_controller_power_control_timer_start(
 	scic->power_control.timer_started = true;
 }
 
-/**
- * This method stops the power control timer for this controller object.
- *
- * @param scic
- */
-static inline void scic_sds_controller_power_control_timer_stop(
-		struct scic_sds_controller *scic)
+static void scic_sds_controller_power_control_timer_stop(struct scic_sds_controller *scic)
 {
 	if (scic->power_control.timer_started) {
 		isci_timer_stop(scic->power_control.timer);
@@ -1010,24 +938,12 @@ static inline void scic_sds_controller_power_control_timer_stop(
 	}
 }
 
-/**
- * This method stops and starts the power control timer for this controller
- * object.
- *
- * @param scic
- */
-static inline void scic_sds_controller_power_control_timer_restart(
-	struct scic_sds_controller *scic)
+static void scic_sds_controller_power_control_timer_restart(struct scic_sds_controller *scic)
 {
 	scic_sds_controller_power_control_timer_stop(scic);
 	scic_sds_controller_power_control_timer_start(scic);
 }
 
-/**
- *
- *
- *
- */
 static void scic_sds_controller_power_control_timer_handler(
 	void *controller)
 {
@@ -1146,8 +1062,6 @@ static bool scic_sds_controller_completion_queue_has_entries(
 	return false;
 }
 
-/* --------------------------------------------------------------------------- */
-
 /**
  * This method processes a task completion notification.  This is called from
  *    within the controller completion handler.
@@ -1625,10 +1539,6 @@ void scic_sds_controller_error_handler(struct scic_sds_controller *scic)
 }
 
 
-u32 scic_sds_controller_get_object_size(void)
-{
-	return sizeof(struct scic_sds_controller);
-}
 
 
 void scic_sds_controller_link_up(
@@ -1703,7 +1613,7 @@ void scic_sds_controller_remote_device_started(struct scic_sds_controller *scic,
  * controller are still in the stopping state.
  *
  */
-bool scic_sds_controller_has_remote_devices_stopping(
+static bool scic_sds_controller_has_remote_devices_stopping(
 	struct scic_sds_controller *this_controller)
 {
 	u32 index;
@@ -2042,62 +1952,20 @@ static void scic_sds_controller_set_default_config_parameters(struct scic_sds_co
 	scic->user_parameters.sds1.no_outbound_task_timeout = 20;
 }
 
-
-enum sci_status scic_controller_construct(struct scic_sds_controller *controller,
-					  void __iomem *scu_base,
-					  void __iomem *smu_base)
-{
-	u8 index;
-
-	sci_base_controller_construct(
-		&controller->parent,
-		scic_sds_controller_state_table,
-		controller->memory_descriptors,
-		ARRAY_SIZE(controller->memory_descriptors),
-		NULL
-		);
-
-	controller->scu_registers = scu_base;
-	controller->smu_registers = smu_base;
-
-	scic_sds_port_configuration_agent_construct(&controller->port_agent);
-
-	/* Construct the ports for this controller */
-	for (index = 0; index < SCI_MAX_PORTS; index++)
-		scic_sds_port_construct(&controller->port_table[index],
-					index, controller);
-	scic_sds_port_construct(&controller->port_table[index],
-				SCIC_SDS_DUMMY_PORT, controller);
-
-	/* Construct the phys for this controller */
-	for (index = 0; index < SCI_MAX_PHYS; index++) {
-		/* Add all the PHYs to the dummy port */
-		scic_sds_phy_construct(
-			&controller->phy_table[index],
-			&controller->port_table[SCI_MAX_PORTS],
-			index
-			);
-	}
-
-	controller->invalid_phy_mask = 0;
-
-	/* Set the default maximum values */
-	controller->completion_event_entries      = SCU_EVENT_COUNT;
-	controller->completion_queue_entries      = SCU_COMPLETION_QUEUE_COUNT;
-	controller->remote_node_entries           = SCI_MAX_REMOTE_DEVICES;
-	controller->logical_port_entries          = SCI_MAX_PORTS;
-	controller->task_context_entries          = SCU_IO_REQUEST_COUNT;
-	controller->uf_control.buffers.count      = SCU_UNSOLICITED_FRAME_COUNT;
-	controller->uf_control.address_table.count = SCU_UNSOLICITED_FRAME_COUNT;
-
-	/* Initialize the User and OEM parameters to default values. */
-	scic_sds_controller_set_default_config_parameters(controller);
-
-	return scic_controller_reset(controller);
-}
-
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_initialize() - This method will initialize the controller
+ *    hardware managed by the supplied core controller object.  This method
+ *    will bring the physical controller hardware out of reset and enable the
+ *    core to determine the capabilities of the hardware being managed.  Thus,
+ *    the core controller can determine it's exact physical (DMA capable)
+ *    memory requirements.
+ * @controller: This parameter specifies the controller to be initialized.
+ *
+ * The SCI Core user must have called scic_controller_construct() on the
+ * supplied controller object previously. Indicate if the controller was
+ * successfully initialized or if it failed in some way. SCI_SUCCESS This value
+ * is returned if the controller hardware was successfully initialized.
+ */
 enum sci_status scic_controller_initialize(
 	struct scic_sds_controller *scic)
 {
@@ -2118,8 +1986,18 @@ enum sci_status scic_controller_initialize(
 	return status;
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_get_suggested_start_timeout() - This method returns the
+ *    suggested scic_controller_start() timeout amount.  The user is free to
+ *    use any timeout value, but this method provides the suggested minimum
+ *    start timeout value.  The returned value is based upon empirical
+ *    information determined as a result of interoperability testing.
+ * @controller: the handle to the controller object for which to return the
+ *    suggested start timeout.
+ *
+ * This method returns the number of milliseconds for the suggested start
+ * operation timeout.
+ */
 u32 scic_controller_get_suggested_start_timeout(
 	struct scic_sds_controller *sc)
 {
@@ -2146,8 +2024,28 @@ u32 scic_controller_get_suggested_start_timeout(
 		+ ((SCI_MAX_PHYS - 1) * SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_start() - This method will start the supplied core
+ *    controller.  This method will start the staggered spin up operation.  The
+ *    SCI User completion callback is called when the following conditions are
+ *    met: -# the return status of this method is SCI_SUCCESS. -# after all of
+ *    the phys have successfully started or been given the opportunity to start.
+ * @controller: the handle to the controller object to start.
+ * @timeout: This parameter specifies the number of milliseconds in which the
+ *    start operation should complete.
+ *
+ * The SCI Core user must have filled in the physical memory descriptor
+ * structure via the sci_controller_get_memory_descriptor_list() method. The
+ * SCI Core user must have invoked the scic_controller_initialize() method
+ * prior to invoking this method. The controller must be in the INITIALIZED or
+ * STARTED state. Indicate if the controller start method succeeded or failed
+ * in some way. SCI_SUCCESS if the start operation succeeded.
+ * SCI_WARNING_ALREADY_IN_STATE if the controller is already in the STARTED
+ * state. SCI_FAILURE_INVALID_STATE if the controller is not either in the
+ * INITIALIZED or STARTED states. SCI_FAILURE_INVALID_MEMORY_DESCRIPTOR if
+ * there are inconsistent or invalid values in the supplied
+ * struct sci_physical_memory_descriptor array.
+ */
 enum sci_status scic_controller_start(
 	struct scic_sds_controller *scic,
 	u32 timeout)
@@ -2169,8 +2067,24 @@ enum sci_status scic_controller_start(
 	return status;
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_stop() - This method will stop an individual controller
+ *    object.This method will invoke the associated user callback upon
+ *    completion.  The completion callback is called when the following
+ *    conditions are met: -# the method return status is SCI_SUCCESS. -# the
+ *    controller has been quiesced. This method will ensure that all IO
+ *    requests are quiesced, phys are stopped, and all additional operation by
+ *    the hardware is halted.
+ * @controller: the handle to the controller object to stop.
+ * @timeout: This parameter specifies the number of milliseconds in which the
+ *    stop operation should complete.
+ *
+ * The controller must be in the STARTED or STOPPED state. Indicate if the
+ * controller stop method succeeded or failed in some way. SCI_SUCCESS if the
+ * stop operation successfully began. SCI_WARNING_ALREADY_IN_STATE if the
+ * controller is already in the STOPPED state. SCI_FAILURE_INVALID_STATE if the
+ * controller is not either in the STARTED or STOPPED states.
+ */
 enum sci_status scic_controller_stop(
 	struct scic_sds_controller *scic,
 	u32 timeout)
@@ -2192,8 +2106,18 @@ enum sci_status scic_controller_stop(
 	return status;
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_reset() - This method will reset the supplied core
+ *    controller regardless of the state of said controller.  This operation is
+ *    considered destructive.  In other words, all current operations are wiped
+ *    out.  No IO completions for outstanding devices occur.  Outstanding IO
+ *    requests are not aborted or completed at the actual remote device.
+ * @controller: the handle to the controller object to reset.
+ *
+ * Indicate if the controller reset method succeeded or failed in some way.
+ * SCI_SUCCESS if the reset operation successfully started. SCI_FATAL_ERROR if
+ * the controller reset operation is unable to complete.
+ */
 enum sci_status scic_controller_reset(
 	struct scic_sds_controller *scic)
 {
@@ -2214,6 +2138,33 @@ enum sci_status scic_controller_reset(
 	return status;
 }
 
+/**
+ * scic_controller_start_io() - This method is called by the SCI user to
+ *    send/start an IO request. If the method invocation is successful, then
+ *    the IO request has been queued to the hardware for processing.
+ * @controller: the handle to the controller object for which to start an IO
+ *    request.
+ * @remote_device: the handle to the remote device object for which to start an
+ *    IO request.
+ * @io_request: the handle to the io request object to start.
+ * @io_tag: This parameter specifies a previously allocated IO tag that the
+ *    user desires to be utilized for this request. This parameter is optional.
+ *     The user is allowed to supply SCI_CONTROLLER_INVALID_IO_TAG as the value
+ *    for this parameter.
+ *
+ * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner.  This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - For SATA, the user is required to manage NCQ tags.  As a
+ * result, it is expected the user will have set the NCQ tag field in the host
+ * to device register FIS prior to calling this method.  There is also a
+ * requirement for the user to call scic_stp_io_set_ncq_tag() prior to invoking
+ * the scic_controller_start_io() method. scic_controller_allocate_tag() for
+ * more information on allocating a tag. Indicate if the controller
+ * successfully started the IO request. SCI_IO_SUCCESS if the IO request was
+ * successfully started. Determine the failure situations and return values.
+ */
 enum sci_io_status scic_controller_start_io(
 	struct scic_sds_controller *scic,
 	struct scic_sds_remote_device *remote_device,
@@ -2231,8 +2182,22 @@ enum sci_io_status scic_controller_start_io(
 			(struct sci_base_request *)io_request, io_tag);
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_terminate_request() - This method is called by the SCI Core
+ *    user to terminate an ongoing (i.e. started) core IO request.  This does
+ *    not abort the IO request at the target, but rather removes the IO request
+ *    from the host controller.
+ * @controller: the handle to the controller object for which to terminate a
+ *    request.
+ * @remote_device: the handle to the remote device object for which to
+ *    terminate a request.
+ * @request: the handle to the io or task management request object to
+ *    terminate.
+ *
+ * Indicate if the controller successfully began the terminate process for the
+ * IO request. SCI_SUCCESS if the terminate process was successfully started
+ * for the request. Determine the failure situations and return values.
+ */
 enum sci_status scic_controller_terminate_request(
 	struct scic_sds_controller *scic,
 	struct scic_sds_remote_device *remote_device,
@@ -2249,8 +2214,28 @@ enum sci_status scic_controller_terminate_request(
 				 (struct sci_base_request *)request);
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_complete_io() - This method will perform core specific
+ *    completion operations for an IO request.  After this method is invoked,
+ *    the user should consider the IO request as invalid until it is properly
+ *    reused (i.e. re-constructed).
+ * @controller: The handle to the controller object for which to complete the
+ *    IO request.
+ * @remote_device: The handle to the remote device object for which to complete
+ *    the IO request.
+ * @io_request: the handle to the io request object to complete.
+ *
+ * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner.  This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
+ * Core user, using the scic_controller_allocate_io_tag() method, then it is
+ * the responsibility of the caller to invoke the scic_controller_free_io_tag()
+ * method to free the tag (i.e. this method will not free the IO tag). Indicate
+ * if the controller successfully completed the IO request. SCI_SUCCESS if the
+ * completion process was successful.
+ */
 enum sci_status scic_controller_complete_io(
 	struct scic_sds_controller *scic,
 	struct scic_sds_remote_device *remote_device,
@@ -2267,9 +2252,34 @@ enum sci_status scic_controller_complete_io(
 			   (struct sci_base_request *)io_request);
 }
 
-/* --------------------------------------------------------------------------- */
-
-
+/**
+ * scic_controller_start_task() - This method is called by the SCIC user to
+ *    send/start a framework task management request.
+ * @controller: the handle to the controller object for which to start the task
+ *    management request.
+ * @remote_device: the handle to the remote device object for which to start
+ *    the task management request.
+ * @task_request: the handle to the task request object to start.
+ * @io_tag: This parameter specifies a previously allocated IO tag that the
+ *    user desires to be utilized for this request.  Note this not the io_tag
+ *    of the request being managed.  It is to be utilized for the task request
+ *    itself. This parameter is optional.  The user is allowed to supply
+ *    SCI_CONTROLLER_INVALID_IO_TAG as the value for this parameter.
+ *
+ * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner.  This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - The user must synchronize this task with completion
+ * queue processing.  If they are not synchronized then it is possible for the
+ * io requests that are being managed by the task request can complete before
+ * starting the task request. scic_controller_allocate_tag() for more
+ * information on allocating a tag. Indicate if the controller successfully
+ * started the IO request. SCI_TASK_SUCCESS if the task request was
+ * successfully started. SCI_TASK_FAILURE_REQUIRES_SCSI_ABORT This value is
+ * returned if there is/are task(s) outstanding that require termination or
+ * completion before this request can succeed.
+ */
 enum sci_task_status scic_controller_start_task(
 	struct scic_sds_controller *scic,
 	struct scic_sds_remote_device *remote_device,
@@ -2297,8 +2307,20 @@ enum sci_task_status scic_controller_start_task(
 	return status;
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_complete_task() - This method will perform core specific
+ *    completion operations for task management request. After this method is
+ *    invoked, the user should consider the task request as invalid until it is
+ *    properly reused (i.e. re-constructed).
+ * @controller: The handle to the controller object for which to complete the
+ *    task management request.
+ * @remote_device: The handle to the remote device object for which to complete
+ *    the task management request.
+ * @task_request: the handle to the task management request object to complete.
+ *
+ * Indicate if the controller successfully completed the task management
+ * request. SCI_SUCCESS if the completion process was successful.
+ */
 enum sci_status scic_controller_complete_task(
 	struct scic_sds_controller *scic,
 	struct scic_sds_remote_device *remote_device,
@@ -2325,8 +2347,22 @@ enum sci_status scic_controller_complete_task(
 }
 
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_get_port_handle() - This method simply provides the user
+ *    with a unique handle for a given SAS/SATA core port index.
+ * @controller: This parameter represents the handle to the controller object
+ *    from which to retrieve a port (SAS or SATA) handle.
+ * @port_index: This parameter specifies the port index in the controller for
+ *    which to retrieve the port handle. 0 <= port_index < maximum number of
+ *    phys.
+ * @port_handle: This parameter specifies the retrieved port handle to be
+ *    provided to the caller.
+ *
+ * Indicate if the retrieval of the port handle was successful. SCI_SUCCESS
+ * This value is returned if the retrieval was successful.
+ * SCI_FAILURE_INVALID_PORT This value is returned if the supplied port id is
+ * not in the supported range.
+ */
 enum sci_status scic_controller_get_port_handle(
 	struct scic_sds_controller *scic,
 	u8 port_index,
@@ -2341,8 +2377,20 @@ enum sci_status scic_controller_get_port_handle(
 	return SCI_FAILURE_INVALID_PORT;
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_get_phy_handle() - This method simply provides the user with
+ *    a unique handle for a given SAS/SATA phy index/identifier.
+ * @controller: This parameter represents the handle to the controller object
+ *    from which to retrieve a phy (SAS or SATA) handle.
+ * @phy_index: This parameter specifies the phy index in the controller for
+ *    which to retrieve the phy handle. 0 <= phy_index < maximum number of phys.
+ * @phy_handle: This parameter specifies the retrieved phy handle to be
+ *    provided to the caller.
+ *
+ * Indicate if the retrieval of the phy handle was successful. SCI_SUCCESS This
+ * value is returned if the retrieval was successful. SCI_FAILURE_INVALID_PHY
+ * This value is returned if the supplied phy id is not in the supported range.
+ */
 enum sci_status scic_controller_get_phy_handle(
 	struct scic_sds_controller *scic,
 	u8 phy_index,
@@ -2361,8 +2409,28 @@ enum sci_status scic_controller_get_phy_handle(
 	return SCI_FAILURE_INVALID_PHY;
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_allocate_io_tag() - This method will allocate a tag from the
+ *    pool of free IO tags. Direct allocation of IO tags by the SCI Core user
+ *    is optional. The scic_controller_start_io() method will allocate an IO
+ *    tag if this method is not utilized and the tag is not supplied to the IO
+ *    construct routine.  Direct allocation of IO tags may provide additional
+ *    performance improvements in environments capable of supporting this usage
+ *    model.  Additionally, direct allocation of IO tags also provides
+ *    additional flexibility to the SCI Core user.  Specifically, the user may
+ *    retain IO tags across the lives of multiple IO requests.
+ * @controller: the handle to the controller object for which to allocate the
+ *    tag.
+ *
+ * IO tags are a protected resource.  It is incumbent upon the SCI Core user to
+ * ensure that each of the methods that may allocate or free available IO tags
+ * are handled in a mutually exclusive manner.  This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). An unsigned integer representing an available IO tag.
+ * SCI_CONTROLLER_INVALID_IO_TAG This value is returned if there are no
+ * currently available tags to be allocated. All return other values indicate a
+ * legitimate tag.
+ */
 u16 scic_controller_allocate_io_tag(
 	struct scic_sds_controller *scic)
 {
@@ -2380,8 +2448,31 @@ u16 scic_controller_allocate_io_tag(
 	return SCI_CONTROLLER_INVALID_IO_TAG;
 }
 
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_free_io_tag() - This method will free an IO tag to the pool
+ *    of free IO tags. This method provides the SCI Core user more flexibility
+ *    with regards to IO tags.  The user may desire to keep an IO tag after an
+ *    IO request has completed, because they plan on re-using the tag for a
+ *    subsequent IO request.  This method is only legal if the tag was
+ *    allocated via scic_controller_allocate_io_tag().
+ * @controller: This parameter specifies the handle to the controller object
+ *    for which to free/return the tag.
+ * @io_tag: This parameter represents the tag to be freed to the pool of
+ *    available tags.
+ *
+ * - IO tags are a protected resource.  It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner.  This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
+ * Core user, using the scic_controller_allocate_io_tag() method, then it is
+ * the responsibility of the caller to invoke this method to free the tag. This
+ * method returns an indication of whether the tag was successfully put back
+ * (freed) to the pool of available tags. SCI_SUCCESS This return value
+ * indicates the tag was successfully placed into the pool of available IO
+ * tags. SCI_FAILURE_INVALID_IO_TAG This value is returned if the supplied tag
+ * is not a valid IO tag value.
+ */
 enum sci_status scic_controller_free_io_tag(
 	struct scic_sds_controller *scic,
 	u16 io_tag)
@@ -2408,8 +2499,6 @@ enum sci_status scic_controller_free_io_tag(
 	return SCI_FAILURE_INVALID_IO_TAG;
 }
 
-/* --------------------------------------------------------------------------- */
-
 void scic_controller_enable_interrupts(
 	struct scic_sds_controller *scic)
 {
@@ -2417,8 +2506,6 @@ void scic_controller_enable_interrupts(
 	SMU_IMR_WRITE(scic, 0x00000000);
 }
 
-/* --------------------------------------------------------------------------- */
-
 void scic_controller_disable_interrupts(
 	struct scic_sds_controller *scic)
 {
@@ -2426,9 +2513,7 @@ void scic_controller_disable_interrupts(
 	SMU_IMR_WRITE(scic, 0xffffffff);
 }
 
-/* --------------------------------------------------------------------------- */
-
-enum sci_status scic_controller_set_mode(
+static enum sci_status scic_controller_set_mode(
 	struct scic_sds_controller *scic,
 	enum sci_controller_mode operating_mode)
 {
@@ -2476,7 +2561,7 @@ enum sci_status scic_controller_set_mode(
  *
  * This method will reset the controller hardware.
  */
-void scic_sds_controller_reset_hardware(
+static void scic_sds_controller_reset_hardware(
 	struct scic_sds_controller *scic)
 {
 	/* Disable interrupts so we dont take any spurious interrupts */
@@ -2495,8 +2580,6 @@ void scic_sds_controller_reset_hardware(
 	SCU_UFQGP_WRITE(scic, 0x00000000);
 }
 
-/* --------------------------------------------------------------------------- */
-
 enum sci_status scic_user_parameters_set(
 	struct scic_sds_controller *scic,
 	union scic_user_parameters *scic_parms)
@@ -2551,17 +2634,6 @@ enum sci_status scic_user_parameters_set(
 	return SCI_FAILURE_INVALID_STATE;
 }
 
-/* --------------------------------------------------------------------------- */
-
-void scic_user_parameters_get(
-	struct scic_sds_controller *scic,
-	union scic_user_parameters *scic_parms)
-{
-	memcpy(scic_parms, (&scic->user_parameters), sizeof(*scic_parms));
-}
-
-/* --------------------------------------------------------------------------- */
-
 enum sci_status scic_oem_parameters_set(
 	struct scic_sds_controller *scic,
 	union scic_oem_parameters *scic_parms)
@@ -2616,8 +2688,6 @@ enum sci_status scic_oem_parameters_set(
 	return SCI_FAILURE_INVALID_STATE;
 }
 
-/* --------------------------------------------------------------------------- */
-
 void scic_oem_parameters_get(
 	struct scic_sds_controller *scic,
 	union scic_oem_parameters *scic_parms)
@@ -2625,9 +2695,6 @@ void scic_oem_parameters_get(
 	memcpy(scic_parms, (&scic->oem_parameters), sizeof(*scic_parms));
 }
 
-/* --------------------------------------------------------------------------- */
-
-
 #define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_LOWER_BOUND_NS 853
 #define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_UPPER_BOUND_NS 1280
 #define INTERRUPT_COALESCE_TIMEOUT_MAX_US                    2700000
@@ -2635,7 +2702,24 @@ void scic_oem_parameters_get(
 #define INTERRUPT_COALESCE_TIMEOUT_ENCODE_MIN                7
 #define INTERRUPT_COALESCE_TIMEOUT_ENCODE_MAX                28
 
-enum sci_status scic_controller_set_interrupt_coalescence(
+/**
+ * scic_controller_set_interrupt_coalescence() - This method allows the user to
+ *    configure the interrupt coalescence.
+ * @controller: This parameter represents the handle to the controller object
+ *    for which its interrupt coalesce register is overridden.
+ * @coalesce_number: Used to control the number of entries in the Completion
+ *    Queue before an interrupt is generated. If the number of entries exceed
+ *    this number, an interrupt will be generated. The valid range of the input
+ *    is [0, 256]. A setting of 0 results in coalescing being disabled.
+ * @coalesce_timeout: Timeout value in microseconds. The valid range of the
+ *    input is [0, 2700000] . A setting of 0 is allowed and results in no
+ *    interrupt coalescing timeout.
+ *
+ * Indicate if the user successfully set the interrupt coalesce parameters.
+ * SCI_SUCCESS The user successfully updated the interrutp coalescence.
+ * SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range.
+ */
+static enum sci_status scic_controller_set_interrupt_coalescence(
 	struct scic_sds_controller *scic_controller,
 	u32 coalesce_number,
 	u32 coalesce_timeout)
@@ -3419,7 +3503,7 @@ static enum sci_status scic_sds_controller_stopping_state_complete_io_handler(
  * This method is called when the struct scic_sds_controller is in a stopping state
  * and the remote device has stopped.
  **/
-void scic_sds_controller_stopping_state_device_stopped_handler(
+static void scic_sds_controller_stopping_state_device_stopped_handler(
 	struct scic_sds_controller *controller,
 	struct scic_sds_remote_device *remote_device
 )
@@ -3638,7 +3722,7 @@ static void scic_sds_controller_resetting_state_enter(struct sci_base_object *ob
 					    SCI_BASE_CONTROLLER_STATE_RESET);
 }
 
-const struct sci_base_state scic_sds_controller_state_table[] = {
+static const struct sci_base_state scic_sds_controller_state_table[] = {
 	[SCI_BASE_CONTROLLER_STATE_INITIAL] = {
 		.enter_state = scic_sds_controller_initial_state_enter,
 	},
@@ -3662,3 +3746,64 @@ const struct sci_base_state scic_sds_controller_state_table[] = {
 	[SCI_BASE_CONTROLLER_STATE_STOPPED] = {},
 	[SCI_BASE_CONTROLLER_STATE_FAILED] = {}
 };
+
+/**
+ * scic_controller_construct() - This method will attempt to construct a
+ *    controller object utilizing the supplied parameter information.
+ * @c: This parameter specifies the controller to be constructed.
+ * @scu_base: mapped base address of the scu registers
+ * @smu_base: mapped base address of the smu registers
+ *
+ * Indicate if the controller was successfully constructed or if it failed in
+ * some way. SCI_SUCCESS This value is returned if the controller was
+ * successfully constructed. SCI_WARNING_TIMER_CONFLICT This value is returned
+ * if the interrupt coalescence timer may cause SAS compliance issues for SMP
+ * Target mode response processing. SCI_FAILURE_UNSUPPORTED_CONTROLLER_TYPE
+ * This value is returned if the controller does not support the supplied type.
+ * SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION This value is returned if the
+ * controller does not support the supplied initialization data version.
+ */
+enum sci_status scic_controller_construct(struct scic_sds_controller *scic,
+					  void __iomem *scu_base,
+					  void __iomem *smu_base)
+{
+	u8 i;
+
+	sci_base_controller_construct(&scic->parent,
+				      scic_sds_controller_state_table,
+				      scic->memory_descriptors,
+				      ARRAY_SIZE(scic->memory_descriptors), NULL);
+
+	scic->scu_registers = scu_base;
+	scic->smu_registers = smu_base;
+
+	scic_sds_port_configuration_agent_construct(&scic->port_agent);
+
+	/* Construct the ports for this controller */
+	for (i = 0; i < SCI_MAX_PORTS; i++)
+		scic_sds_port_construct(&scic->port_table[i], i, scic);
+	scic_sds_port_construct(&scic->port_table[i], SCIC_SDS_DUMMY_PORT, scic);
+
+	/* Construct the phys for this controller */
+	for (i = 0; i < SCI_MAX_PHYS; i++) {
+		/* Add all the PHYs to the dummy port */
+		scic_sds_phy_construct(&scic->phy_table[i],
+				       &scic->port_table[SCI_MAX_PORTS], i);
+	}
+
+	scic->invalid_phy_mask = 0;
+
+	/* Set the default maximum values */
+	scic->completion_event_entries      = SCU_EVENT_COUNT;
+	scic->completion_queue_entries      = SCU_COMPLETION_QUEUE_COUNT;
+	scic->remote_node_entries           = SCI_MAX_REMOTE_DEVICES;
+	scic->logical_port_entries          = SCI_MAX_PORTS;
+	scic->task_context_entries          = SCU_IO_REQUEST_COUNT;
+	scic->uf_control.buffers.count      = SCU_UNSOLICITED_FRAME_COUNT;
+	scic->uf_control.address_table.count = SCU_UNSOLICITED_FRAME_COUNT;
+
+	/* Initialize the User and OEM parameters to default values. */
+	scic_sds_controller_set_default_config_parameters(scic);
+
+	return scic_controller_reset(scic);
+}

drivers/scsi/isci/core/scic_sds_controller.h

@@ -402,7 +402,6 @@ struct scic_sds_controller_state_handler {
 
 extern const struct scic_sds_controller_state_handler
 	scic_sds_controller_state_handler_table[];
-extern const struct sci_base_state scic_sds_controller_state_table[];
 
 /**
  * INCREMENT_QUEUE_GET() -
@@ -535,7 +534,6 @@ extern const struct sci_base_state scic_sds_controller_state_table[];
 
 /* --------------------------------------------------------------------------- */
 
-u32 scic_sds_controller_get_object_size(void);
 
 /* --------------------------------------------------------------------------- */
 
@@ -615,8 +613,6 @@ void scic_sds_controller_link_down(
  * * CORE CONTROLLER REMOTE DEVICE MESSAGE PROCESSING
  * ***************************************************************************** */
 
-bool scic_sds_controller_has_remote_devices_stopping(
-	struct scic_sds_controller *this_controller);
 
 void scic_sds_controller_remote_device_started(
 	struct scic_sds_controller *this_controller,
@@ -626,67 +622,11 @@ void scic_sds_controller_remote_device_stopped(
 	struct scic_sds_controller *this_controller,
 	struct scic_sds_remote_device *the_device);
 
-
-/*
- * *****************************************************************************
- * * CORE CONTROLLER PRIVATE METHODS
- * ***************************************************************************** */
-
-enum sci_status scic_sds_controller_validate_memory_descriptor_table(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_ram_initialization(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_assign_task_entries(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_afe_initialization(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_enable_port_task_scheduler(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_initialize_completion_queue(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_initialize_unsolicited_frame_queue(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_phy_timer_stop(
-	struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_start_next_phy(
-	struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_stop_phys(
-	struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_stop_ports(
-	struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_stop_devices(
-	struct scic_sds_controller *this_controller);
-
 void scic_sds_controller_copy_task_context(
 	struct scic_sds_controller *this_controller,
 	struct scic_sds_request *this_request);
 
-void scic_sds_controller_timeout_handler(void *controller);
-
-void scic_sds_controller_initialize_power_control(
-	struct scic_sds_controller *this_controller);
-
 void scic_sds_controller_register_setup(
 	struct scic_sds_controller *this_controller);
 
-void scic_sds_controller_reset_hardware(
-	struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_initialize_phy_startup(
-	struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_build_memory_descriptor_table(
-	struct scic_sds_controller *this_controller);
-
 #endif /* _SCIC_SDS_CONTROLLER_H_ */

drivers/scsi/isci/core/scic_sds_phy.c

@@ -257,7 +257,7 @@ scic_sds_phy_link_layer_initialization(struct scic_sds_phy *sci_phy,
  * restart the starting substate machine since we dont know what has actually
  * happening.
  */
-void scic_sds_phy_sata_timeout(void *phy)
+static void scic_sds_phy_sata_timeout(void *phy)
 {
 	struct scic_sds_phy *sci_phy = phy;
 
@@ -273,47 +273,6 @@ void scic_sds_phy_sata_timeout(void *phy)
 					    SCI_BASE_PHY_STATE_STARTING);
 }
 
-/**
- * This method will construct the struct scic_sds_phy object
- * @this_phy:
- * @owning_port:
- * @phy_index:
- *
- */
-void scic_sds_phy_construct(
-	struct scic_sds_phy *this_phy,
-	struct scic_sds_port *owning_port,
-	u8 phy_index)
-{
-	/*
-	 * Call the base constructor first
-	 */
-	sci_base_phy_construct(
-		&this_phy->parent,
-		scic_sds_phy_state_table
-		);
-
-	/* Copy the rest of the input data to our locals */
-	this_phy->owning_port = owning_port;
-	this_phy->phy_index = phy_index;
-	this_phy->bcn_received_while_port_unassigned = false;
-	this_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
-	this_phy->link_layer_registers = NULL;
-	this_phy->max_negotiated_speed = SCI_SAS_NO_LINK_RATE;
-	this_phy->sata_timeout_timer = NULL;
-
-	/* Clear out the identification buffer data */
-	memset(&this_phy->phy_type, 0, sizeof(this_phy->phy_type));
-
-	/* Initialize the the substate machines */
-	sci_base_state_machine_construct(
-		&this_phy->starting_substate_machine,
-		&this_phy->parent.parent,
-		scic_sds_phy_starting_substates,
-		SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL
-		);
-}
-
 /**
  * This method returns the port currently containing this phy. If the phy is
  *    currently contained by the dummy port, then the phy is considered to not
@@ -426,7 +385,7 @@ void scic_sds_phy_setup_transport(
  * This function will perform the register reads/writes to suspend the SCU
  * hardware protocol engine. none
  */
-void scic_sds_phy_suspend(
+static void scic_sds_phy_suspend(
 	struct scic_sds_phy *this_phy)
 {
 	u32 scu_sas_pcfg_value;
@@ -1416,7 +1375,62 @@ static enum sci_status scic_sds_phy_starting_substate_await_sata_power_consume_p
 	return SCI_SUCCESS;
 }
 
-const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_table[] = {
+static enum sci_status default_phy_handler(struct sci_base_phy *base_phy, const char *func)
+{
+	struct scic_sds_phy *sci_phy;
+
+	sci_phy = container_of(base_phy, typeof(*sci_phy), parent);
+	dev_dbg(sciphy_to_dev(sci_phy),
+		 "%s: in wrong state: %d\n", func,
+		 sci_base_state_machine_get_state(&base_phy->state_machine));
+	return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_phy_default_start_handler(struct sci_base_phy *base_phy)
+{
+	return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_stop_handler(struct sci_base_phy *base_phy)
+{
+	return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_reset_handler(struct sci_base_phy *base_phy)
+{
+	return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_destroy_handler(struct sci_base_phy *base_phy)
+{
+	return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_frame_handler(struct scic_sds_phy *sci_phy,
+							  u32 frame_index)
+{
+	struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy);
+
+	default_phy_handler(&sci_phy->parent, __func__);
+	scic_sds_controller_release_frame(scic, frame_index);
+
+	return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_phy_default_event_handler(struct scic_sds_phy *sci_phy,
+							  u32 event_code)
+{
+	return default_phy_handler(&sci_phy->parent, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_consume_power_handler(struct scic_sds_phy *sci_phy)
+{
+	return default_phy_handler(&sci_phy->parent, __func__);
+}
+
+
+
+static const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_table[] = {
 	[SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL] = {
 		.parent.start_handler    = scic_sds_phy_default_start_handler,
 		.parent.stop_handler     = scic_sds_phy_starting_substate_general_stop_handler,
@@ -1867,7 +1881,7 @@ static void scic_sds_phy_starting_final_substate_enter(struct sci_base_object *o
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_phy_starting_substates[] = {
+static const struct sci_base_state scic_sds_phy_starting_substates[] = {
 	[SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL] = {
 		.enter_state = scic_sds_phy_starting_initial_substate_enter,
 	},
@@ -1905,196 +1919,6 @@ const struct sci_base_state scic_sds_phy_starting_substates[] = {
 	}
 };
 
-/*
- * ***************************************************************************
- * *  DEFAULT HANDLERS
- * *************************************************************************** */
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- *    object.
- *
- * This is the default method for phy a start request.  It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_start_handler(
-	struct sci_base_phy *phy)
-{
-	struct scic_sds_phy *this_phy;
-
-	this_phy = (struct scic_sds_phy *)phy;
-
-	dev_warn(sciphy_to_dev(this_phy),
-		 "%s: SCIC Phy 0x%p requested to start from invalid "
-		 "state %d\n",
-		 __func__,
-		 this_phy,
-		 sci_base_state_machine_get_state(
-			 &this_phy->parent.state_machine));
-
-	return SCI_FAILURE_INVALID_STATE;
-
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a
- * struct scic_sds_phy object.
- *
- * This is the default method for phy a stop request.  It will report a warning
- * and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_stop_handler(struct sci_base_phy *base_phy)
-{
-	struct scic_sds_phy *sci_phy;
-
-	sci_phy = (struct scic_sds_phy *)base_phy;
-
-	dev_dbg(sciphy_to_dev(sci_phy),
-		"%s: SCIC Phy 0x%p requested to stop from invalid state %d\n",
-		__func__,
-		sci_phy,
-		sci_base_state_machine_get_state(
-			&sci_phy->parent.state_machine));
-
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- *    object.
- *
- * This is the default method for phy a reset request.  It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_reset_handler(
-	struct sci_base_phy *phy)
-{
-	struct scic_sds_phy *this_phy;
-
-	this_phy = (struct scic_sds_phy *)phy;
-
-	dev_warn(sciphy_to_dev(this_phy),
-		 "%s: SCIC Phy 0x%p requested to reset from invalid state "
-		 "%d\n",
-		 __func__,
-		 this_phy,
-		 sci_base_state_machine_get_state(
-			 &this_phy->parent.state_machine));
-
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- *    object.
- *
- * This is the default method for phy a destruct request.  It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_destroy_handler(
-	struct sci_base_phy *phy)
-{
-	struct scic_sds_phy *this_phy;
-
-	this_phy = (struct scic_sds_phy *)phy;
-
-	/* / @todo Implement something for the default */
-	dev_warn(sciphy_to_dev(this_phy),
-		 "%s: SCIC Phy 0x%p requested to destroy from invalid "
-		 "state %d\n",
-		 __func__,
-		 this_phy,
-		 sci_base_state_machine_get_state(
-			 &this_phy->parent.state_machine));
-
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- *    object.
- * @frame_index: This is the frame index that was received from the SCU
- *    hardware.
- *
- * This is the default method for a phy frame handling request.  It will report
- * a warning, release the frame and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_frame_handler(
-	struct scic_sds_phy *this_phy,
-	u32 frame_index)
-{
-	dev_warn(sciphy_to_dev(this_phy),
-		 "%s: SCIC Phy 0x%p received unexpected frame data %d "
-		 "while in state %d\n",
-		 __func__,
-		 this_phy,
-		 frame_index,
-		 sci_base_state_machine_get_state(
-			 &this_phy->parent.state_machine));
-
-	scic_sds_controller_release_frame(
-		scic_sds_phy_get_controller(this_phy), frame_index);
-
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- *    object.
- * @event_code: This is the event code that was received from the SCU hardware.
- *
- * This is the default method for a phy event handler.  It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_event_handler(
-	struct scic_sds_phy *this_phy,
-	u32 event_code)
-{
-	dev_dbg(sciphy_to_dev(this_phy),
-		"%s: SCIC Phy 0x%p received unexpected event status %x "
-		"while in state %d\n",
-		__func__,
-		this_phy,
-		event_code,
-		sci_base_state_machine_get_state(
-			&this_phy->parent.state_machine));
-
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- *    object.
- *
- * This is the default method for a phy consume power handler.  It will report
- * a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_consume_power_handler(
-	struct scic_sds_phy *this_phy)
-{
-	dev_warn(sciphy_to_dev(this_phy),
-		 "%s: SCIC Phy 0x%p given unexpected permission to consume "
-		 "power while in state %d\n",
-		 __func__,
-		 this_phy,
-		 sci_base_state_machine_get_state(
-			 &this_phy->parent.state_machine));
-
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-/*
- * ******************************************************************************
- * * PHY STOPPED STATE HANDLERS
- * ****************************************************************************** */
-
 /**
  *
  * @phy: This is the struct sci_base_phy object which is cast into a
@@ -2219,7 +2043,7 @@ static enum sci_status scic_sds_phy_resetting_state_event_handler(struct scic_sd
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[] = {
+static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[] = {
 	[SCI_BASE_PHY_STATE_INITIAL] = {
 		.parent.start_handler = scic_sds_phy_default_start_handler,
 		.parent.stop_handler  = scic_sds_phy_default_stop_handler,
@@ -2563,7 +2387,7 @@ static void scic_sds_phy_final_state_enter(
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_phy_state_table[] = {
+static const struct sci_base_state scic_sds_phy_state_table[] = {
 	[SCI_BASE_PHY_STATE_INITIAL] = {
 		.enter_state = scic_sds_phy_initial_state_enter,
 	},
@@ -2585,3 +2409,29 @@ const struct sci_base_state scic_sds_phy_state_table[] = {
 	},
 };
 
+void scic_sds_phy_construct(struct scic_sds_phy *sci_phy,
+			    struct scic_sds_port *owning_port, u8 phy_index)
+{
+	/*
+	 * Call the base constructor first
+	 */
+	sci_base_phy_construct(&sci_phy->parent, scic_sds_phy_state_table);
+
+	/* Copy the rest of the input data to our locals */
+	sci_phy->owning_port = owning_port;
+	sci_phy->phy_index = phy_index;
+	sci_phy->bcn_received_while_port_unassigned = false;
+	sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
+	sci_phy->link_layer_registers = NULL;
+	sci_phy->max_negotiated_speed = SCI_SAS_NO_LINK_RATE;
+	sci_phy->sata_timeout_timer = NULL;
+
+	/* Clear out the identification buffer data */
+	memset(&sci_phy->phy_type, 0, sizeof(sci_phy->phy_type));
+
+	/* Initialize the the substate machines */
+	sci_base_state_machine_construct(&sci_phy->starting_substate_machine,
+					 &sci_phy->parent.parent,
+					 scic_sds_phy_starting_substates,
+					 SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL);
+}

drivers/scsi/isci/core/scic_sds_phy.h

@@ -293,12 +293,6 @@ struct scic_sds_phy_state_handler {
 
 };
 
-extern const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[];
-extern const struct sci_base_state scic_sds_phy_state_table[];
-extern const struct sci_base_state scic_sds_phy_starting_substates[];
-extern const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_table[];
-
-
 /**
  * scic_sds_phy_get_index() -
  *
@@ -362,12 +356,6 @@ enum sci_status scic_sds_phy_stop(
 enum sci_status scic_sds_phy_reset(
 	struct scic_sds_phy *this_phy);
 
-void scic_sds_phy_sata_timeout(
-	void *cookie);
-
-void scic_sds_phy_suspend(
-	struct scic_sds_phy *this_phy);
-
 void scic_sds_phy_resume(
 	struct scic_sds_phy *this_phy);
 
@@ -402,27 +390,4 @@ void scic_sds_phy_get_attached_phy_protocols(
 	struct scic_sds_phy *this_phy,
 	struct sci_sas_identify_address_frame_protocols *protocols);
 
-enum sci_status scic_sds_phy_default_start_handler(
-	struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_stop_handler(
-	struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_reset_handler(
-	struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_destroy_handler(
-	struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_frame_handler(
-	struct scic_sds_phy *phy,
-	u32 frame_index);
-
-enum sci_status scic_sds_phy_default_event_handler(
-	struct scic_sds_phy *phy,
-	u32 evnet_code);
-
-enum sci_status scic_sds_phy_default_consume_power_handler(
-	struct scic_sds_phy *phy);
-
 #endif /* _SCIC_SDS_PHY_H_ */

drivers/scsi/isci/core/scic_sds_port.c

@@ -69,19 +69,13 @@
 #include "sci_environment.h"
 #include "scic_sds_controller_registers.h"
 
-
-static void scic_sds_port_invalid_link_up(
-	struct scic_sds_port *this_port,
-	struct scic_sds_phy *phy);
-static void scic_sds_port_timeout_handler(
-	void *port);
 #define SCIC_SDS_PORT_MIN_TIMER_COUNT  (SCI_MAX_PORTS)
 #define SCIC_SDS_PORT_MAX_TIMER_COUNT  (SCI_MAX_PORTS)
 
 #define SCIC_SDS_PORT_HARD_RESET_TIMEOUT  (1000)
 #define SCU_DUMMY_INDEX    (0xFFFF)
 
-void sci_base_port_construct(
+static void sci_base_port_construct(
 	struct sci_base_port *base_port,
 	const struct sci_base_state *state_table)
 {
@@ -168,7 +162,7 @@ bool scic_sds_port_is_valid_phy_assignment(
  * Return a bit mask indicating which phys are a part of this port. Each bit
  * corresponds to a phy identifier (e.g. bit 0 = phy id 0).
  */
-u32 scic_sds_port_get_phys(struct scic_sds_port *this_port)
+static u32 scic_sds_port_get_phys(struct scic_sds_port *this_port)
 {
 	u32 index;
 	u32 mask;
@@ -196,7 +190,7 @@ u32 scic_sds_port_get_phys(struct scic_sds_port *this_port)
  * phy mask can be supported. true if this is a valid phy assignment for the
  * port false if this is not a valid phy assignment for the port
  */
-bool scic_sds_port_is_phy_mask_valid(
+static bool scic_sds_port_is_phy_mask_valid(
 	struct scic_sds_port *this_port,
 	u32 phy_mask)
 {
@@ -269,7 +263,7 @@ static struct scic_sds_phy *scic_sds_port_get_a_connected_phy(
  * is a functional test that only fails if the phy is currently assigned to a
  * different port.
  */
-enum sci_status scic_sds_port_set_phy(
+static enum sci_status scic_sds_port_set_phy(
 	struct scic_sds_port *port,
 	struct scic_sds_phy *phy)
 {
@@ -304,7 +298,7 @@ enum sci_status scic_sds_port_set_phy(
  * this phy is not currently assinged to this port. bool true if the phy is
  * removed from the port. false if this phy is not assined to this port.
  */
-enum sci_status scic_sds_port_clear_phy(
+static enum sci_status scic_sds_port_clear_phy(
 	struct scic_sds_port *port,
 	struct scic_sds_phy *phy)
 {
@@ -485,7 +479,7 @@ void scic_sds_port_get_attached_protocols(
  * This structure will be posted to the hardware to work around a scheduler
  * error in the hardware.
  */
-void scic_sds_port_construct_dummy_rnc(struct scic_sds_port *sci_port, u16 rni)
+static void scic_sds_port_construct_dummy_rnc(struct scic_sds_port *sci_port, u16 rni)
 {
 	union scu_remote_node_context *rnc;
 
@@ -520,7 +514,7 @@ void scic_sds_port_construct_dummy_rnc(struct scic_sds_port *sci_port, u16 rni)
  * in the hardware.
  *
  */
-void scic_sds_port_construct_dummy_task(struct scic_sds_port *sci_port, u16 tci)
+static void scic_sds_port_construct_dummy_task(struct scic_sds_port *sci_port, u16 tci)
 {
 	struct scu_task_context *task_context;
 
@@ -554,7 +548,7 @@ void scic_sds_port_construct_dummy_task(struct scic_sds_port *sci_port, u16 tci)
 	task_context->task_phase = 0x01;
 }
 
-void scic_sds_port_destroy_dummy_resources(struct scic_sds_port *sci_port)
+static void scic_sds_port_destroy_dummy_resources(struct scic_sds_port *sci_port)
 {
 	struct scic_sds_controller *scic = sci_port->owning_controller;
 
@@ -569,38 +563,6 @@ void scic_sds_port_destroy_dummy_resources(struct scic_sds_port *sci_port)
 	sci_port->reserved_tci = SCU_DUMMY_INDEX;
 }
 
-void scic_sds_port_construct(struct scic_sds_port *sci_port, u8 port_index,
-			     struct scic_sds_controller *scic)
-{
-	u32 index;
-
-	sci_base_port_construct(&sci_port->parent, scic_sds_port_state_table);
-
-	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;
-	sci_port->active_phy_mask     = 0;
-
-	sci_port->owning_controller = scic;
-
-	sci_port->started_request_count = 0;
-	sci_port->assigned_device_count = 0;
-
-	sci_port->reserved_rni = SCU_DUMMY_INDEX;
-	sci_port->reserved_tci = SCU_DUMMY_INDEX;
-
-	sci_port->timer_handle = NULL;
-
-	sci_port->port_task_scheduler_registers = NULL;
-
-	for (index = 0; index < SCI_MAX_PHYS; index++)
-		sci_port->phy_table[index] = NULL;
-}
-
 /**
  * This method performs initialization of the supplied port. Initialization
  *    includes: - state machine initialization - member variable initialization
@@ -627,61 +589,18 @@ enum sci_status scic_sds_port_initialize(
 }
 
 /**
+ * scic_port_get_properties() - This method simply returns the properties
+ *    regarding the port, such as: physical index, protocols, sas address, etc.
+ * @port: this parameter specifies the port for which to retrieve the physical
+ *    index.
+ * @properties: This parameter specifies the properties structure into which to
+ *    copy the requested information.
  *
- * @this_port: This is the struct scic_sds_port object for which has a phy that has
- *    gone link up.
- * @the_phy: This is the struct scic_sds_phy object that has gone link up.
- * @do_notify_user: This parameter specifies whether to inform the user (via
- *    scic_cb_port_link_up()) as to the fact that a new phy as become ready.
- *
- * This method is the a general link up handler for the struct scic_sds_port object.
- * This function will determine if this struct scic_sds_phy can be assigned to this
- * struct scic_sds_port object. If the struct scic_sds_phy object can is not a valid PHY for
- * this port then the function will notify the SCIC_USER. A PHY can only be
- * part of a port if it's attached SAS ADDRESS is the same as all other PHYs in
- * the same port. none
+ * Indicate if the user specified a valid port. SCI_SUCCESS This value is
+ * returned if the specified port was valid. SCI_FAILURE_INVALID_PORT This
+ * value is returned if the specified port is not valid.  When this value is
+ * returned, no data is copied to the properties output parameter.
  */
-void scic_sds_port_general_link_up_handler(
-	struct scic_sds_port *this_port,
-	struct scic_sds_phy *the_phy,
-	bool do_notify_user)
-{
-	struct sci_sas_address port_sas_address;
-	struct sci_sas_address phy_sas_address;
-
-	scic_sds_port_get_attached_sas_address(this_port, &port_sas_address);
-	scic_sds_phy_get_attached_sas_address(the_phy, &phy_sas_address);
-
-	/*
-	 * If the SAS address of the new phy matches the SAS address of
-	 * other phys in the port OR this is the first phy in the port,
-	 * then activate the phy and allow it to be used for operations
-	 * in this port. */
-	if (
-		(
-			(phy_sas_address.high == port_sas_address.high)
-			&& (phy_sas_address.low  == port_sas_address.low)
-		)
-		|| (this_port->active_phy_mask == 0)
-		) {
-		scic_sds_port_activate_phy(this_port, the_phy, do_notify_user);
-
-		if (this_port->parent.state_machine.current_state_id
-		    == SCI_BASE_PORT_STATE_RESETTING) {
-			sci_base_state_machine_change_state(
-				&this_port->parent.state_machine, SCI_BASE_PORT_STATE_READY
-				);
-		}
-	} else {
-		scic_sds_port_invalid_link_up(this_port, the_phy);
-	}
-}
-
-enum sci_status scic_port_stop(struct scic_sds_port *port)
-{
-	return port->state_handlers->parent.stop_handler(&port->parent);
-}
-
 enum sci_status scic_port_get_properties(
 	struct scic_sds_port *port,
 	struct scic_port_properties *prop)
@@ -700,7 +619,20 @@ enum sci_status scic_port_get_properties(
 	return SCI_SUCCESS;
 }
 
-
+/**
+ * scic_port_hard_reset() - This method will request the SCI implementation to
+ *    perform a HARD RESET on the SAS Port.  If/When the HARD RESET completes
+ *    the SCI user will be notified via an SCI OS callback indicating a direct
+ *    attached device was found.
+ * @port: a handle corresponding to the SAS port to be hard reset.
+ * @reset_timeout: This parameter specifies the number of milliseconds in which
+ *    the port reset operation should complete.
+ *
+ * The SCI User callback in SCIC_USER_CALLBACKS_T will only be called once for
+ * each phy in the SAS Port at completion of the hard reset sequence. Return a
+ * status indicating whether the hard reset started successfully. SCI_SUCCESS
+ * This value is returned if the hard reset operation started successfully.
+ */
 enum sci_status scic_port_hard_reset(
 	struct scic_sds_port *port,
 	u32 reset_timeout)
@@ -741,12 +673,11 @@ void scic_sds_port_setup_transports(
  * the phy to the port - enabling the Protocol Engine in the silicon. -
  * notifying the user that the link is up. none
  */
-void scic_sds_port_activate_phy(struct scic_sds_port *sci_port,
-				struct scic_sds_phy *sci_phy,
-				bool do_notify_user)
+static void scic_sds_port_activate_phy(struct scic_sds_port *sci_port,
+				       struct scic_sds_phy *sci_phy,
+				       bool do_notify_user)
 {
-	struct scic_sds_controller *scic =
-		scic_sds_port_get_controller(sci_port);
+	struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
 	struct sci_sas_identify_address_frame_protocols protocols;
 	struct isci_host *ihost = sci_object_get_association(scic);
 
@@ -764,22 +695,11 @@ void scic_sds_port_activate_phy(struct scic_sds_port *sci_port,
 		isci_port_link_up(ihost, sci_port, sci_phy);
 }
 
-/**
- *
- * @this_port: This is the port on which the phy should be deactivated.
- * @the_phy: This is the specific phy that is no longer active in the port.
- * @do_notify_user: This parameter specifies whether to inform the user (via
- *    isci_port_link_down()) as to the fact that a new phy as become
- *    ready.
- *
- * This function will deactivate the supplied phy in the port. none
- */
 void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port,
 				  struct scic_sds_phy *sci_phy,
 				  bool do_notify_user)
 {
-	struct scic_sds_controller *scic =
-		scic_sds_port_get_controller(sci_port);
+	struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
 	struct isci_port *iport = sci_object_get_association(sci_port);
 	struct isci_host *ihost = sci_object_get_association(scic);
 	struct isci_phy *iphy = sci_object_get_association(sci_phy);
@@ -821,6 +741,48 @@ static void scic_sds_port_invalid_link_up(
 	}
 }
 
+/**
+ * scic_sds_port_general_link_up_handler - phy can be assigned to port?
+ * @sci_port: scic_sds_port object for which has a phy that has gone link up.
+ * @sci_phy: This is the struct scic_sds_phy object that has gone link up.
+ * @do_notify_user: This parameter specifies whether to inform the user (via
+ *    scic_cb_port_link_up()) as to the fact that a new phy as become ready.
+ *
+ * Determine if this phy can be assigned to this
+ * port . If the phy is not a valid PHY for
+ * this port then the function will notify the user. A PHY can only be
+ * part of a port if it's attached SAS ADDRESS is the same as all other PHYs in
+ * the same port. none
+ */
+static void scic_sds_port_general_link_up_handler(struct scic_sds_port *sci_port,
+						  struct scic_sds_phy *sci_phy,
+						  bool do_notify_user)
+{
+	struct sci_sas_address port_sas_address;
+	struct sci_sas_address phy_sas_address;
+
+	scic_sds_port_get_attached_sas_address(sci_port, &port_sas_address);
+	scic_sds_phy_get_attached_sas_address(sci_phy, &phy_sas_address);
+
+	/* If the SAS address of the new phy matches the SAS address of
+	 * other phys in the port OR this is the first phy in the port,
+	 * then activate the phy and allow it to be used for operations
+	 * in this port.
+	 */
+	if ((phy_sas_address.high == port_sas_address.high &&
+	     phy_sas_address.low  == port_sas_address.low) ||
+	    sci_port->active_phy_mask == 0) {
+		struct sci_base_state_machine *sm = &sci_port->parent.state_machine;
+
+		scic_sds_port_activate_phy(sci_port, sci_phy, do_notify_user);
+		if (sm->current_state_id == SCI_BASE_PORT_STATE_RESETTING)
+			sci_base_state_machine_change_state(sm, SCI_BASE_PORT_STATE_READY);
+	} else
+		scic_sds_port_invalid_link_up(sci_port, sci_phy);
+}
+
+
+
 /**
  * This method returns false if the port only has a single phy object assigned.
  *     If there are no phys or more than one phy then the method will return
@@ -1004,7 +966,7 @@ static void scic_sds_port_timeout_handler(void *port)
  *
  *
  */
-void scic_sds_port_update_viit_entry(struct scic_sds_port *this_port)
+static void scic_sds_port_update_viit_entry(struct scic_sds_port *this_port)
 {
 	struct sci_sas_address sas_address;
 
@@ -1483,9 +1445,106 @@ static enum sci_status scic_sds_port_ready_configuring_substate_complete_io_hand
 	return SCI_SUCCESS;
 }
 
-/* --------------------------------------------------------------------------- */
+static enum sci_status default_port_handler(struct sci_base_port *base_port, const char *func)
+{
+	struct scic_sds_port *sci_port;
+
+	sci_port = container_of(base_port, typeof(*sci_port), parent);
+	dev_warn(sciport_to_dev(sci_port),
+		 "%s: in wrong state: %d\n", func,
+		 sci_base_state_machine_get_state(&base_port->state_machine));
+	return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_port_default_start_handler(struct sci_base_port *base_port)
+{
+	return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_stop_handler(struct sci_base_port *base_port)
+{
+	return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_destruct_handler(struct sci_base_port *base_port)
+{
+	return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_reset_handler(struct sci_base_port *base_port,
+						    u32 timeout)
+{
+	return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_add_phy_handler(struct sci_base_port *base_port,
+							     struct sci_base_phy *base_phy)
+{
+	return default_port_handler(base_port, __func__);
+}
+
+static 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.
+ *
+ * This is the default method for a port unsolicited frame request.  It will
+ * report a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE Is it even
+ * possible to receive an unsolicited frame directed to a port object?  It
+ * seems possible if we implementing virtual functions but until then?
+ */
+static 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);
+
+	default_port_handler(&sci_port->parent, __func__);
+	scic_sds_controller_release_frame(scic, frame_index);
+
+	return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_port_default_event_handler(struct scic_sds_port *sci_port,
+						    u32 event_code)
+{
+	return default_port_handler(&sci_port->parent, __func__);
+}
+
+static void scic_sds_port_default_link_up_handler(struct scic_sds_port *sci_port,
+					   struct scic_sds_phy *sci_phy)
+{
+	default_port_handler(&sci_port->parent, __func__);
+}
+
+static void scic_sds_port_default_link_down_handler(struct scic_sds_port *sci_port,
+					     struct scic_sds_phy *sci_phy)
+{
+	default_port_handler(&sci_port->parent, __func__);
+}
 
-struct scic_sds_port_state_handler
+static 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)
+{
+	return default_port_handler(&sci_port->parent, __func__);
+}
+
+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__);
+}
+
+
+
+static struct scic_sds_port_state_handler
 scic_sds_port_ready_substate_handler_table[SCIC_SDS_PORT_READY_MAX_SUBSTATES] =
 {
 	/* SCIC_SDS_PORT_READY_SUBSTATE_WAITING */
@@ -1541,7 +1600,6 @@ scic_sds_port_ready_substate_handler_table[SCIC_SDS_PORT_READY_MAX_SUBSTATES] =
 	}
 };
 
-
 /**
  * scic_sds_port_set_ready_state_handlers() -
  *
@@ -1584,7 +1642,7 @@ static void scic_sds_port_suspend_port_task_scheduler(
  * ongoing requests.
  *
  */
-void scic_sds_port_post_dummy_request(struct scic_sds_port *sci_port)
+static void scic_sds_port_post_dummy_request(struct scic_sds_port *sci_port)
 {
 	u32 command;
 	struct scu_task_context *task_context;
@@ -1609,7 +1667,7 @@ void scic_sds_port_post_dummy_request(struct scic_sds_port *sci_port)
  * @sci_port: The port on which the task must be aborted.
  *
  */
-void scic_sds_port_abort_dummy_request(struct scic_sds_port *sci_port)
+static void scic_sds_port_abort_dummy_request(struct scic_sds_port *sci_port)
 {
 	struct scic_sds_controller *scic = sci_port->owning_controller;
 	u16 tci = sci_port->reserved_tci;
@@ -1801,7 +1859,7 @@ static void scic_sds_port_ready_substate_configuring_exit(
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_port_ready_substate_table[] = {
+static const struct sci_base_state scic_sds_port_ready_substate_table[] = {
 	[SCIC_SDS_PORT_READY_SUBSTATE_WAITING] = {
 		.enter_state = scic_sds_port_ready_substate_waiting_enter,
 	},
@@ -1815,103 +1873,6 @@ const struct sci_base_state scic_sds_port_ready_substate_table[] = {
 	},
 };
 
-static enum sci_status default_port_handler(struct sci_base_port *base_port, const char *func)
-{
-	struct scic_sds_port *sci_port;
-
-	sci_port = container_of(base_port, typeof(*sci_port), parent);
-	dev_warn(sciport_to_dev(sci_port),
-		 "%s: in wrong state: %d\n", func,
-		 sci_base_state_machine_get_state(&base_port->state_machine));
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-enum sci_status scic_sds_port_default_start_handler(struct sci_base_port *base_port)
-{
-	return default_port_handler(base_port, __func__);
-}
-
-static enum sci_status scic_sds_port_default_stop_handler(struct sci_base_port *base_port)
-{
-	return default_port_handler(base_port, __func__);
-}
-
-enum sci_status scic_sds_port_default_destruct_handler(struct sci_base_port *base_port)
-{
-	return default_port_handler(base_port, __func__);
-}
-
-enum sci_status scic_sds_port_default_reset_handler(struct sci_base_port *base_port,
-						    u32 timeout)
-{
-	return default_port_handler(base_port, __func__);
-}
-
-static enum sci_status scic_sds_port_default_add_phy_handler(struct sci_base_port *base_port,
-							     struct sci_base_phy *base_phy)
-{
-	return default_port_handler(base_port, __func__);
-}
-
-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.
- *
- * This is the default method for a port unsolicited frame request.  It will
- * report a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE Is it even
- * 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 *sci_port,
-						    u32 frame_index)
-{
-	struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
-
-	default_port_handler(&sci_port->parent, __func__);
-	scic_sds_controller_release_frame(scic, frame_index);
-
-	return SCI_FAILURE_INVALID_STATE;
-}
-
-enum sci_status scic_sds_port_default_event_handler(struct scic_sds_port *sci_port,
-						    u32 event_code)
-{
-	return default_port_handler(&sci_port->parent, __func__);
-}
-
-void scic_sds_port_default_link_up_handler(struct scic_sds_port *sci_port,
-					   struct scic_sds_phy *sci_phy)
-{
-	default_port_handler(&sci_port->parent, __func__);
-}
-
-void scic_sds_port_default_link_down_handler(struct scic_sds_port *sci_port,
-					     struct scic_sds_phy *sci_phy)
-{
-	default_port_handler(&sci_port->parent, __func__);
-}
-
-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)
-{
-	return default_port_handler(&sci_port->parent, __func__);
-}
-
-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__);
-}
-
 /**
  *
  * @port: This is the struct scic_sds_port object on which the io request count will
@@ -2248,9 +2209,7 @@ static void scic_sds_port_reset_state_link_down_handler(
 	scic_sds_port_deactivate_phy(this_port, phy, false);
 }
 
-/* --------------------------------------------------------------------------- */
-
-struct scic_sds_port_state_handler
+static struct scic_sds_port_state_handler
 scic_sds_port_state_handler_table[SCI_BASE_PORT_MAX_STATES] =
 {
 	/* SCI_BASE_PORT_STATE_STOPPED */
@@ -2384,7 +2343,7 @@ static void scic_sds_port_disable_port_task_scheduler(
 	scu_port_task_scheduler_write(this_port, control, pts_control_value);
 }
 
-void scic_sds_port_post_dummy_remote_node(struct scic_sds_port *sci_port)
+static void scic_sds_port_post_dummy_remote_node(struct scic_sds_port *sci_port)
 {
 	struct scic_sds_controller *scic = sci_port->owning_controller;
 	u8 phys_index = sci_port->physical_port_index;
@@ -2412,7 +2371,7 @@ void scic_sds_port_post_dummy_remote_node(struct scic_sds_port *sci_port)
 	scic_sds_controller_post_request(scic, command);
 }
 
-void scic_sds_port_invalidate_dummy_remote_node(struct scic_sds_port *sci_port)
+static void scic_sds_port_invalidate_dummy_remote_node(struct scic_sds_port *sci_port)
 {
 	struct scic_sds_controller *scic = sci_port->owning_controller;
 	u8 phys_index = sci_port->physical_port_index;
@@ -2639,7 +2598,7 @@ static void scic_sds_port_failed_state_enter(struct sci_base_object *object)
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_port_state_table[] = {
+static const struct sci_base_state scic_sds_port_state_table[] = {
 	[SCI_BASE_PORT_STATE_STOPPED] = {
 		.enter_state = scic_sds_port_stopped_state_enter,
 		.exit_state  = scic_sds_port_stopped_state_exit
@@ -2661,3 +2620,34 @@ const struct sci_base_state scic_sds_port_state_table[] = {
 	}
 };
 
+void scic_sds_port_construct(struct scic_sds_port *sci_port, u8 port_index,
+			     struct scic_sds_controller *scic)
+{
+	u32 index;
+
+	sci_base_port_construct(&sci_port->parent, scic_sds_port_state_table);
+
+	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;
+	sci_port->active_phy_mask     = 0;
+
+	sci_port->owning_controller = scic;
+
+	sci_port->started_request_count = 0;
+	sci_port->assigned_device_count = 0;
+
+	sci_port->reserved_rni = SCU_DUMMY_INDEX;
+	sci_port->reserved_tci = SCU_DUMMY_INDEX;
+
+	sci_port->timer_handle = NULL;
+
+	sci_port->port_task_scheduler_registers = NULL;
+
+	for (index = 0; index < SCI_MAX_PHYS; index++)
+		sci_port->phy_table[index] = NULL;
+}

drivers/scsi/isci/core/scic_sds_port.h

@@ -236,12 +236,6 @@ struct scic_sds_port_state_handler {
 
 };
 
-extern const struct sci_base_state scic_sds_port_state_table[];
-extern const struct sci_base_state scic_sds_port_ready_substate_table[];
-
-extern struct scic_sds_port_state_handler scic_sds_port_state_handler_table[];
-extern struct scic_sds_port_state_handler scic_sds_port_ready_substate_handler_table[];
-
 /**
  * scic_sds_port_get_controller() -
  *
@@ -351,10 +345,6 @@ void scic_sds_port_setup_transports(
 	struct scic_sds_port *this_port,
 	u32 device_id);
 
-void scic_sds_port_activate_phy(
-	struct scic_sds_port *this_port,
-	struct scic_sds_phy *phy,
-	bool do_notify_user);
 
 void scic_sds_port_deactivate_phy(
 	struct scic_sds_port *this_port,
@@ -363,10 +353,6 @@ void scic_sds_port_deactivate_phy(
 
 
 
-void scic_sds_port_general_link_up_handler(
-	struct scic_sds_port *this_port,
-	struct scic_sds_phy *the_phy,
-	bool do_notify_user);
 
 bool scic_sds_port_link_detected(
 	struct scic_sds_port *this_port,
@@ -397,47 +383,19 @@ enum sci_status scic_sds_port_complete_io(
 
 /* --------------------------------------------------------------------------- */
 
-void scic_sds_port_update_viit_entry(
-	struct scic_sds_port *this_port);
 
 /* --------------------------------------------------------------------------- */
 
-enum sci_status scic_sds_port_default_start_handler(
-	struct sci_base_port *port);
 
 
-enum sci_status scic_sds_port_default_destruct_handler(
-	struct sci_base_port *port);
 
-enum sci_status scic_sds_port_default_reset_handler(
-	struct sci_base_port *port,
-	u32 timeout);
 
 
-enum sci_status scic_sds_port_default_remove_phy_handler(
-	struct sci_base_port *port,
-	struct sci_base_phy *phy);
 
-enum sci_status scic_sds_port_default_frame_handler(
-	struct scic_sds_port *port,
-	u32 frame_index);
 
-enum sci_status scic_sds_port_default_event_handler(
-	struct scic_sds_port *port,
-	u32 event_code);
 
-void scic_sds_port_default_link_up_handler(
-	struct scic_sds_port *this_port,
-	struct scic_sds_phy *phy);
 
-void scic_sds_port_default_link_down_handler(
-	struct scic_sds_port *this_port,
-	struct scic_sds_phy *phy);
 
-enum sci_status scic_sds_port_default_start_io_handler(
-	struct scic_sds_port *port,
-	struct scic_sds_remote_device *device,
-	struct scic_sds_request *io_request);
 
 
 enum sci_sas_link_rate scic_sds_port_get_max_allowed_speed(
@@ -451,12 +409,7 @@ bool scic_sds_port_is_valid_phy_assignment(
 	struct scic_sds_port *this_port,
 	u32 phy_index);
 
-bool scic_sds_port_is_phy_mask_valid(
-	struct scic_sds_port *this_port,
-	u32 phy_mask);
 
-u32 scic_sds_port_get_phys(
-	struct scic_sds_port *this_port);
 
 void scic_sds_port_get_sas_address(
 	struct scic_sds_port *this_port,
@@ -470,13 +423,7 @@ void scic_sds_port_get_attached_protocols(
 	struct scic_sds_port *this_port,
 	struct sci_sas_identify_address_frame_protocols *protocols);
 
-enum sci_status scic_sds_port_set_phy(
-	struct scic_sds_port *port,
-	struct scic_sds_phy *phy);
 
-enum sci_status scic_sds_port_clear_phy(
-	struct scic_sds_port *port,
-	struct scic_sds_phy *phy);
 
 
 

drivers/scsi/isci/core/scic_sds_remote_device.c

@@ -87,30 +87,6 @@ u32 scic_remote_device_get_object_size(void)
 	       + sizeof(struct scic_sds_remote_node_context);
 }
 
-/* --------------------------------------------------------------------------- */
-
-void scic_remote_device_construct(struct scic_sds_port *sci_port,
-				  struct scic_sds_remote_device *sci_dev)
-{
-	sci_dev->owning_port = sci_port;
-	sci_dev->started_request_count = 0;
-	sci_dev->rnc = (struct scic_sds_remote_node_context *) &sci_dev[1];
-
-	sci_base_remote_device_construct(
-		&sci_dev->parent,
-		scic_sds_remote_device_state_table
-		);
-
-	scic_sds_remote_node_context_construct(
-		sci_dev,
-		sci_dev->rnc,
-		SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
-		);
-
-	sci_object_set_association(sci_dev->rnc, sci_dev);
-}
-
-
 enum sci_status scic_remote_device_da_construct(
 	struct scic_sds_remote_device *sci_dev)
 {
@@ -1330,7 +1306,7 @@ static enum sci_status scic_sds_remote_device_resetting_state_complete_request_h
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = {
+static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = {
 	[SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
 		.parent.start_handler		= scic_sds_remote_device_default_start_handler,
 		.parent.stop_handler		= scic_sds_remote_device_default_stop_handler,
@@ -1741,7 +1717,7 @@ static void scic_sds_remote_device_final_state_enter(
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_remote_device_state_table[] = {
+static const struct sci_base_state scic_sds_remote_device_state_table[] = {
 	[SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
 		.enter_state = scic_sds_remote_device_initial_state_enter,
 	},
@@ -1771,3 +1747,23 @@ const struct sci_base_state scic_sds_remote_device_state_table[] = {
 	},
 };
 
+void scic_remote_device_construct(struct scic_sds_port *sci_port,
+				  struct scic_sds_remote_device *sci_dev)
+{
+	sci_dev->owning_port = sci_port;
+	sci_dev->started_request_count = 0;
+	sci_dev->rnc = (struct scic_sds_remote_node_context *) &sci_dev[1];
+
+	sci_base_remote_device_construct(
+		&sci_dev->parent,
+		scic_sds_remote_device_state_table
+		);
+
+	scic_sds_remote_node_context_construct(
+		sci_dev,
+		sci_dev->rnc,
+		SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
+		);
+
+	sci_object_set_association(sci_dev->rnc, sci_dev);
+}

drivers/scsi/isci/core/scic_sds_remote_device.h

@@ -316,15 +316,10 @@ struct scic_sds_remote_device_state_handler {
 	scic_sds_remote_device_frame_handler_t frame_handler;
 };
 
-extern const struct sci_base_state scic_sds_remote_device_state_table[];
 extern const struct sci_base_state scic_sds_ssp_remote_device_ready_substate_table[];
 extern const struct sci_base_state scic_sds_stp_remote_device_ready_substate_table[];
 extern const struct sci_base_state scic_sds_smp_remote_device_ready_substate_table[];
 
-extern const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[];
-extern const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[];
-extern const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_ready_substate_handler_table[];
-
 /**
  * scic_sds_remote_device_increment_request_count() -
  *

drivers/scsi/isci/core/scic_sds_remote_node_context.c

@@ -64,26 +64,6 @@
 #include "scu_event_codes.h"
 #include "scu_task_context.h"
 
-void scic_sds_remote_node_context_construct(
-	struct scic_sds_remote_device *device,
-	struct scic_sds_remote_node_context *rnc,
-	u16 remote_node_index)
-{
-	memset(rnc, 0, sizeof(struct scic_sds_remote_node_context));
-
-	rnc->remote_node_index = remote_node_index;
-	rnc->device            = device;
-	rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED;
-
-	sci_base_state_machine_construct(
-		&rnc->state_machine,
-		&rnc->parent,
-		scic_sds_remote_node_context_state_table,
-		SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE
-		);
-
-	sci_base_state_machine_start(&rnc->state_machine);
-}
 
 /**
  *
@@ -124,7 +104,7 @@ bool scic_sds_remote_node_context_is_ready(
  *
  * This method will construct the RNC buffer for this remote device object. none
  */
-void scic_sds_remote_node_context_construct_buffer(
+static void scic_sds_remote_node_context_construct_buffer(
 	struct scic_sds_remote_node_context *this_rnc)
 {
 	union scu_remote_node_context *rnc;
@@ -830,7 +810,7 @@ static enum sci_status scic_sds_remote_node_context_await_suspension_state_event
 
 /* --------------------------------------------------------------------------- */
 
-struct scic_sds_remote_node_context_handlers
+static struct scic_sds_remote_node_context_handlers
 scic_sds_remote_node_context_state_handler_table[
 	SCIC_SDS_REMOTE_NODE_CONTEXT_MAX_STATES] =
 {
@@ -1218,7 +1198,7 @@ static void scic_sds_remote_node_context_await_suspension_state_enter(
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_remote_node_context_state_table[] = {
+static const struct sci_base_state scic_sds_remote_node_context_state_table[] = {
 	[SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE] = {
 		.enter_state = scic_sds_remote_node_context_initial_state_enter,
 	},
@@ -1245,3 +1225,23 @@ const struct sci_base_state scic_sds_remote_node_context_state_table[] = {
 	},
 };
 
+void scic_sds_remote_node_context_construct(
+	struct scic_sds_remote_device *device,
+	struct scic_sds_remote_node_context *rnc,
+	u16 remote_node_index)
+{
+	memset(rnc, 0, sizeof(struct scic_sds_remote_node_context));
+
+	rnc->remote_node_index = remote_node_index;
+	rnc->device            = device;
+	rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED;
+
+	sci_base_state_machine_construct(
+		&rnc->state_machine,
+		&rnc->parent,
+		scic_sds_remote_node_context_state_table,
+		SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE
+		);
+
+	sci_base_state_machine_start(&rnc->state_machine);
+}

drivers/scsi/isci/core/scic_sds_remote_node_context.h

@@ -279,19 +279,11 @@ struct scic_sds_remote_node_context {
 	struct scic_sds_remote_node_context_handlers *state_handlers;
 };
 
-extern const struct sci_base_state scic_sds_remote_node_context_state_table[];
-
-extern struct scic_sds_remote_node_context_handlers
-	scic_sds_remote_node_context_state_handler_table[
-	SCIC_SDS_REMOTE_NODE_CONTEXT_MAX_STATES];
-
 void scic_sds_remote_node_context_construct(
 	struct scic_sds_remote_device *device,
 	struct scic_sds_remote_node_context *rnc,
 	u16 remote_node_index);
 
-void scic_sds_remote_node_context_construct_buffer(
-	struct scic_sds_remote_node_context *rnc);
 
 bool scic_sds_remote_node_context_is_ready(
 	struct scic_sds_remote_node_context *this_rnc);

drivers/scsi/isci/core/scic_sds_request.c

@@ -325,59 +325,6 @@ void scic_sds_request_build_sgl(struct scic_sds_request *sds_request)
 	}
 }
 
-/**
- * This method initializes common portions of the io request object. This
- *    includes construction of the struct sci_base_request parent.
- * @the_controller: This parameter specifies the controller for which the
- *    request is being constructed.
- * @the_target: This parameter specifies the remote device for which the
- *    request is being constructed.
- * @io_tag: This parameter specifies the IO tag to be utilized for this
- *    request.  This parameter can be set to SCI_CONTROLLER_INVALID_IO_TAG.
- * @user_io_request_object: This parameter specifies the user request object
- *    for which the request is being constructed.
- * @this_request: This parameter specifies the request being constructed.
- *
- */
-static void scic_sds_general_request_construct(
-	struct scic_sds_controller *the_controller,
-	struct scic_sds_remote_device *the_target,
-	u16 io_tag,
-	void *user_io_request_object,
-	struct scic_sds_request *this_request)
-{
-	sci_base_request_construct(
-		&this_request->parent,
-		scic_sds_request_state_table
-		);
-
-	this_request->io_tag = io_tag;
-	this_request->user_request = user_io_request_object;
-	this_request->owning_controller = the_controller;
-	this_request->target_device = the_target;
-	this_request->has_started_substate_machine = false;
-	this_request->protocol = SCIC_NO_PROTOCOL;
-	this_request->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX;
-	this_request->device_sequence = scic_sds_remote_device_get_sequence(the_target);
-
-	this_request->sci_status   = SCI_SUCCESS;
-	this_request->scu_status   = 0;
-	this_request->post_context = 0xFFFFFFFF;
-
-	this_request->is_task_management_request = false;
-
-	if (io_tag == SCI_CONTROLLER_INVALID_IO_TAG) {
-		this_request->was_tag_assigned_by_user = false;
-		this_request->task_context_buffer = NULL;
-	} else {
-		this_request->was_tag_assigned_by_user = true;
-
-		this_request->task_context_buffer =
-			scic_sds_controller_get_task_context_buffer(
-				this_request->owning_controller, io_tag);
-	}
-}
-
 /**
  * This method build the remainder of the IO request object.
  * @this_request: This parameter specifies the request object being constructed.
@@ -754,16 +701,6 @@ static enum sci_status scic_io_request_construct_sata(struct scic_sds_request *s
 	return status;
 }
 
-/*
- * ****************************************************************************
- * * SCIC Interface Implementation
- * **************************************************************************** */
-
-
-
-
-/* --------------------------------------------------------------------------- */
-
 u32 scic_io_request_get_object_size(void)
 {
 	u32 ssp_request_size;
@@ -777,128 +714,6 @@ u32 scic_io_request_get_object_size(void)
 	return max(ssp_request_size, max(stp_request_size, smp_request_size));
 }
 
-/* --------------------------------------------------------------------------- */
-
-
-/* --------------------------------------------------------------------------- */
-
-
-/* --------------------------------------------------------------------------- */
-
-
-/* --------------------------------------------------------------------------- */
-
-enum sci_status scic_io_request_construct(
-	struct scic_sds_controller *scic_controller,
-	struct scic_sds_remote_device *scic_remote_device,
-	u16 io_tag,
-	void *user_io_request_object,
-	void *scic_io_request_memory,
-	struct scic_sds_request **new_scic_io_request_handle)
-{
-	enum sci_status status = SCI_SUCCESS;
-	struct scic_sds_request *this_request;
-	struct smp_discover_response_protocols device_protocol;
-
-	this_request = (struct scic_sds_request *)scic_io_request_memory;
-
-	/* Build the common part of the request */
-	scic_sds_general_request_construct(
-		(struct scic_sds_controller *)scic_controller,
-		(struct scic_sds_remote_device *)scic_remote_device,
-		io_tag,
-		user_io_request_object,
-		this_request
-		);
-
-	if (
-		scic_sds_remote_device_get_index((struct scic_sds_remote_device *)scic_remote_device)
-		== SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
-		) {
-		return SCI_FAILURE_INVALID_REMOTE_DEVICE;
-	}
-
-	scic_remote_device_get_protocols(scic_remote_device, &device_protocol);
-
-	if (device_protocol.u.bits.attached_ssp_target) {
-		scic_sds_ssp_io_request_assign_buffers(this_request);
-	} else if (device_protocol.u.bits.attached_stp_target) {
-		scic_sds_stp_request_assign_buffers(this_request);
-		memset(this_request->command_buffer, 0, sizeof(struct sata_fis_reg_h2d));
-	} else if (device_protocol.u.bits.attached_smp_target) {
-		scic_sds_smp_request_assign_buffers(this_request);
-		memset(this_request->command_buffer, 0, sizeof(struct smp_request));
-	} else {
-		status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
-	}
-
-	if (status == SCI_SUCCESS) {
-		memset(
-			this_request->task_context_buffer,
-			0,
-			SCI_FIELD_OFFSET(struct scu_task_context, sgl_pair_ab)
-			);
-		*new_scic_io_request_handle = scic_io_request_memory;
-	}
-
-	return status;
-}
-
-/* --------------------------------------------------------------------------- */
-
-
-enum sci_status scic_task_request_construct(
-	struct scic_sds_controller *controller,
-	struct scic_sds_remote_device *remote_device,
-	u16 io_tag,
-	void *user_io_request_object,
-	void *scic_task_request_memory,
-	struct scic_sds_request **new_scic_task_request_handle)
-{
-	enum sci_status status = SCI_SUCCESS;
-	struct scic_sds_request *this_request = (struct scic_sds_request *)
-					   scic_task_request_memory;
-	struct smp_discover_response_protocols device_protocol;
-
-	/* Build the common part of the request */
-	scic_sds_general_request_construct(
-		(struct scic_sds_controller *)controller,
-		(struct scic_sds_remote_device *)remote_device,
-		io_tag,
-		user_io_request_object,
-		this_request
-		);
-
-	scic_remote_device_get_protocols(remote_device, &device_protocol);
-
-	if (device_protocol.u.bits.attached_ssp_target) {
-		scic_sds_ssp_task_request_assign_buffers(this_request);
-
-		this_request->has_started_substate_machine = true;
-
-		/* Construct the started sub-state machine. */
-		sci_base_state_machine_construct(
-			&this_request->started_substate_machine,
-			&this_request->parent.parent,
-			scic_sds_io_request_started_task_mgmt_substate_table,
-			SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_COMPLETION
-			);
-	} else if (device_protocol.u.bits.attached_stp_target) {
-		scic_sds_stp_request_assign_buffers(this_request);
-	} else {
-		status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
-	}
-
-	if (status == SCI_SUCCESS) {
-		this_request->is_task_management_request = true;
-		memset(this_request->task_context_buffer, 0x00, sizeof(struct scu_task_context));
-		*new_scic_task_request_handle            = scic_task_request_memory;
-	}
-
-	return status;
-}
-
-
 enum sci_status scic_io_request_construct_basic_ssp(
 	struct scic_sds_request *sci_req)
 {
@@ -1915,9 +1730,7 @@ static enum sci_status scic_sds_request_aborting_state_frame_handler(
 	return SCI_SUCCESS;
 }
 
-/* --------------------------------------------------------------------------- */
-
-const struct scic_sds_io_request_state_handler scic_sds_request_state_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_request_state_handler_table[] = {
 	[SCI_BASE_REQUEST_STATE_INITIAL] = {
 		.parent.start_handler    = scic_sds_request_default_start_handler,
 		.parent.abort_handler    = scic_sds_request_default_abort_handler,
@@ -2142,9 +1955,7 @@ static void scic_sds_request_final_state_enter(
 		);
 }
 
-/* --------------------------------------------------------------------------- */
-
-const struct sci_base_state scic_sds_request_state_table[] = {
+static const struct sci_base_state scic_sds_request_state_table[] = {
 	[SCI_BASE_REQUEST_STATE_INITIAL] = {
 		.enter_state = scic_sds_request_initial_state_enter,
 	},
@@ -2166,3 +1977,119 @@ const struct sci_base_state scic_sds_request_state_table[] = {
 	},
 };
 
+static void scic_sds_general_request_construct(struct scic_sds_controller *scic,
+					       struct scic_sds_remote_device *sci_dev,
+					       u16 io_tag,
+					       void *user_io_request_object,
+					       struct scic_sds_request *sci_req)
+{
+	sci_base_request_construct(&sci_req->parent, scic_sds_request_state_table);
+	sci_req->io_tag = io_tag;
+	sci_req->user_request = user_io_request_object;
+	sci_req->owning_controller = scic;
+	sci_req->target_device = sci_dev;
+	sci_req->has_started_substate_machine = false;
+	sci_req->protocol = SCIC_NO_PROTOCOL;
+	sci_req->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX;
+	sci_req->device_sequence = scic_sds_remote_device_get_sequence(sci_dev);
+
+	sci_req->sci_status   = SCI_SUCCESS;
+	sci_req->scu_status   = 0;
+	sci_req->post_context = 0xFFFFFFFF;
+
+	sci_req->is_task_management_request = false;
+
+	if (io_tag == SCI_CONTROLLER_INVALID_IO_TAG) {
+		sci_req->was_tag_assigned_by_user = false;
+		sci_req->task_context_buffer = NULL;
+	} else {
+		sci_req->was_tag_assigned_by_user = true;
+
+		sci_req->task_context_buffer =
+			scic_sds_controller_get_task_context_buffer(scic, io_tag);
+	}
+}
+
+enum sci_status scic_io_request_construct(struct scic_sds_controller *scic,
+					  struct scic_sds_remote_device *sci_dev,
+					  u16 io_tag,
+					  void *user_io_request_object,
+					  struct scic_sds_request *sci_req,
+					  struct scic_sds_request **new_scic_io_request_handle)
+{
+	enum sci_status status = SCI_SUCCESS;
+	struct smp_discover_response_protocols device_protocol;
+
+	/* Build the common part of the request */
+	scic_sds_general_request_construct(scic, sci_dev, io_tag,
+					   user_io_request_object, sci_req);
+
+	if (sci_dev->rnc->remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX)
+		return SCI_FAILURE_INVALID_REMOTE_DEVICE;
+
+	scic_remote_device_get_protocols(sci_dev, &device_protocol);
+
+	if (device_protocol.u.bits.attached_ssp_target) {
+		scic_sds_ssp_io_request_assign_buffers(sci_req);
+	} else if (device_protocol.u.bits.attached_stp_target) {
+		scic_sds_stp_request_assign_buffers(sci_req);
+		memset(sci_req->command_buffer, 0, sizeof(struct sata_fis_reg_h2d));
+	} else if (device_protocol.u.bits.attached_smp_target) {
+		scic_sds_smp_request_assign_buffers(sci_req);
+		memset(sci_req->command_buffer, 0, sizeof(struct smp_request));
+	} else {
+		status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
+	}
+
+	if (status == SCI_SUCCESS) {
+		memset(sci_req->task_context_buffer, 0,
+			SCI_FIELD_OFFSET(struct scu_task_context, sgl_pair_ab));
+		*new_scic_io_request_handle = sci_req;
+	}
+
+	return status;
+}
+
+enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
+					    struct scic_sds_remote_device *sci_dev,
+					    u16 io_tag,
+					    void *user_io_request_object,
+					    struct scic_sds_request *sci_req,
+					    struct scic_sds_request **new_sci_req)
+{
+	enum sci_status status = SCI_SUCCESS;
+	struct smp_discover_response_protocols device_protocol;
+
+	/* Build the common part of the request */
+	scic_sds_general_request_construct(scic, sci_dev, io_tag,
+					   user_io_request_object,
+					   sci_req);
+
+	scic_remote_device_get_protocols(sci_dev, &device_protocol);
+
+	if (device_protocol.u.bits.attached_ssp_target) {
+		scic_sds_ssp_task_request_assign_buffers(sci_req);
+
+		sci_req->has_started_substate_machine = true;
+
+		/* Construct the started sub-state machine. */
+		sci_base_state_machine_construct(
+			&sci_req->started_substate_machine,
+			&sci_req->parent.parent,
+			scic_sds_io_request_started_task_mgmt_substate_table,
+			SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_COMPLETION
+			);
+	} else if (device_protocol.u.bits.attached_stp_target) {
+		scic_sds_stp_request_assign_buffers(sci_req);
+	} else {
+		status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
+	}
+
+	if (status == SCI_SUCCESS) {
+		sci_req->is_task_management_request = true;
+		memset(sci_req->task_context_buffer, 0, sizeof(struct scu_task_context));
+		*new_sci_req = sci_req;
+	}
+
+	return status;
+}

drivers/scsi/isci/core/scic_sds_request.h

@@ -256,14 +256,7 @@ struct scic_sds_io_request_state_handler {
 
 };
 
-extern const struct sci_base_state scic_sds_request_state_table[];
-extern const struct scic_sds_io_request_state_handler scic_sds_request_state_handler_table[];
-
 extern const struct sci_base_state scic_sds_io_request_started_task_mgmt_substate_table[];
-extern const struct scic_sds_io_request_state_handler scic_sds_ssp_task_request_started_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_smp_request_started_substate_table[];
-extern const struct scic_sds_io_request_state_handler scic_sds_smp_request_started_substate_handler_table[];
 
 /**
  *

drivers/scsi/isci/core/scic_sds_smp_remote_device.c

@@ -207,7 +207,7 @@ static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_frame_handl
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_ready_substate_handler_table[] = {
+static const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_ready_substate_handler_table[] = {
 	[SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
 		.parent.start_handler		= scic_sds_remote_device_default_start_handler,
 		.parent.stop_handler		= scic_sds_remote_device_ready_state_stop_handler,

drivers/scsi/isci/core/scic_sds_smp_request.c

@@ -142,73 +142,6 @@ void scic_sds_smp_request_assign_buffers(
 	}
 
 }
-/**
- * This method is called by the SCI user to build an SMP IO request.
- *
- * - The user must have previously called scic_io_request_construct() on the
- * supplied IO request. Indicate if the controller successfully built the IO
- * request. SCI_SUCCESS This value is returned if the IO request was
- * successfully built. SCI_FAILURE_UNSUPPORTED_PROTOCOL This value is returned
- * if the remote_device does not support the SMP protocol.
- * SCI_FAILURE_INVALID_ASSOCIATION This value is returned if the user did not
- * properly set the association between the SCIC IO request and the user's IO
- * request.  Please refer to the sci_object_set_association() routine for more
- * information.
- */
-enum sci_status scic_io_request_construct_smp(
-	struct scic_sds_request *sci_req)
-{
-	struct smp_request *smp_req = kmalloc(sizeof(*smp_req), GFP_KERNEL);
-
-	if (!smp_req)
-		return SCI_FAILURE_INSUFFICIENT_RESOURCES;
-
-	sci_req->protocol                     = SCIC_SMP_PROTOCOL;
-	sci_req->has_started_substate_machine = true;
-
-	/* Construct the started sub-state machine. */
-	sci_base_state_machine_construct(
-		&sci_req->started_substate_machine,
-		&sci_req->parent.parent,
-		scic_sds_smp_request_started_substate_table,
-		SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE
-		);
-
-	/* Construct the SMP SCU Task Context */
-	memcpy(smp_req, sci_req->command_buffer, sizeof(*smp_req));
-
-	/*
-	 * Look at the SMP requests' header fields; for certain SAS 1.x SMP
-	 * functions under SAS 2.0, a zero request length really indicates
-	 * a non-zero default length. */
-	if (smp_req->header.request_length == 0) {
-		switch (smp_req->header.function) {
-		case SMP_FUNCTION_DISCOVER:
-		case SMP_FUNCTION_REPORT_PHY_ERROR_LOG:
-		case SMP_FUNCTION_REPORT_PHY_SATA:
-		case SMP_FUNCTION_REPORT_ROUTE_INFORMATION:
-			smp_req->header.request_length = 2;
-			break;
-		case SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION:
-		case SMP_FUNCTION_PHY_CONTROL:
-		case SMP_FUNCTION_PHY_TEST:
-			smp_req->header.request_length = 9;
-			break;
-			/* Default - zero is a valid default for 2.0. */
-		}
-	}
-
-	scu_smp_request_construct_task_context(sci_req, smp_req);
-
-	sci_base_state_machine_change_state(
-		&sci_req->parent.state_machine,
-		SCI_BASE_REQUEST_STATE_CONSTRUCTED
-		);
-
-	kfree(smp_req);
-
-	return SCI_SUCCESS;
-}
 
 /**
  * This method is called by the SCI user to build an SMP pass-through IO
@@ -595,7 +528,7 @@ static enum sci_status scic_sds_smp_request_await_tc_completion_tc_completion_ha
 }
 
 
-const struct scic_sds_io_request_state_handler scic_sds_smp_request_started_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_smp_request_started_substate_handler_table[] = {
 	[SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE] = {
 		.parent.start_handler    = scic_sds_request_default_start_handler,
 		.parent.abort_handler    = scic_sds_request_started_state_abort_handler,
@@ -658,7 +591,7 @@ static void scic_sds_smp_request_started_await_tc_completion_substate_enter(
 		);
 }
 
-const struct sci_base_state scic_sds_smp_request_started_substate_table[] = {
+static const struct sci_base_state scic_sds_smp_request_started_substate_table[] = {
 	[SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE] = {
 		.enter_state = scic_sds_smp_request_started_await_response_substate_enter,
 	},
@@ -667,3 +600,69 @@ const struct sci_base_state scic_sds_smp_request_started_substate_table[] = {
 	},
 };
 
+/**
+ * This method is called by the SCI user to build an SMP IO request.
+ *
+ * - The user must have previously called scic_io_request_construct() on the
+ * supplied IO request. Indicate if the controller successfully built the IO
+ * request. SCI_SUCCESS This value is returned if the IO request was
+ * successfully built. SCI_FAILURE_UNSUPPORTED_PROTOCOL This value is returned
+ * if the remote_device does not support the SMP protocol.
+ * SCI_FAILURE_INVALID_ASSOCIATION This value is returned if the user did not
+ * properly set the association between the SCIC IO request and the user's IO
+ * request.  Please refer to the sci_object_set_association() routine for more
+ * information.
+ */
+enum sci_status scic_io_request_construct_smp(struct scic_sds_request *sci_req)
+{
+	struct smp_request *smp_req = kmalloc(sizeof(*smp_req), GFP_KERNEL);
+
+	if (!smp_req)
+		return SCI_FAILURE_INSUFFICIENT_RESOURCES;
+
+	sci_req->protocol                     = SCIC_SMP_PROTOCOL;
+	sci_req->has_started_substate_machine = true;
+
+	/* Construct the started sub-state machine. */
+	sci_base_state_machine_construct(
+		&sci_req->started_substate_machine,
+		&sci_req->parent.parent,
+		scic_sds_smp_request_started_substate_table,
+		SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE
+		);
+
+	/* Construct the SMP SCU Task Context */
+	memcpy(smp_req, sci_req->command_buffer, sizeof(*smp_req));
+
+	/*
+	 * Look at the SMP requests' header fields; for certain SAS 1.x SMP
+	 * functions under SAS 2.0, a zero request length really indicates
+	 * a non-zero default length. */
+	if (smp_req->header.request_length == 0) {
+		switch (smp_req->header.function) {
+		case SMP_FUNCTION_DISCOVER:
+		case SMP_FUNCTION_REPORT_PHY_ERROR_LOG:
+		case SMP_FUNCTION_REPORT_PHY_SATA:
+		case SMP_FUNCTION_REPORT_ROUTE_INFORMATION:
+			smp_req->header.request_length = 2;
+			break;
+		case SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION:
+		case SMP_FUNCTION_PHY_CONTROL:
+		case SMP_FUNCTION_PHY_TEST:
+			smp_req->header.request_length = 9;
+			break;
+			/* Default - zero is a valid default for 2.0. */
+		}
+	}
+
+	scu_smp_request_construct_task_context(sci_req, smp_req);
+
+	sci_base_state_machine_change_state(
+		&sci_req->parent.state_machine,
+		SCI_BASE_REQUEST_STATE_CONSTRUCTED
+		);
+
+	kfree(smp_req);
+
+	return SCI_SUCCESS;
+}

drivers/scsi/isci/core/scic_sds_ssp_request.c

@@ -193,7 +193,7 @@ static enum sci_status scic_sds_ssp_task_request_await_tc_response_frame_handler
 	return SCI_SUCCESS;
 }
 
-const struct scic_sds_io_request_state_handler scic_sds_ssp_task_request_started_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_ssp_task_request_started_substate_handler_table[] = {
 	[SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_COMPLETION] = {
 		.parent.start_handler    = scic_sds_request_default_start_handler,
 		.parent.abort_handler    = scic_sds_request_started_state_abort_handler,

drivers/scsi/isci/core/scic_sds_stp_pio_request.h

@@ -99,18 +99,7 @@ enum _SCIC_SDS_STP_REQUEST_STARTED_PIO_SUBSTATES {
 	SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE,
 };
 
-
-/* --------------------------------------------------------------------------- */
-
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_pio_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_pio_substate_table[];
-
-/* --------------------------------------------------------------------------- */
-
 struct scic_sds_stp_request;
 
-struct scu_sgl_element *scic_sds_stp_request_pio_get_next_sgl(
-	struct scic_sds_stp_request *this_request);
 
 #endif   /* _SCIC_SDS_SATA_PIO_REQUEST_H_ */

drivers/scsi/isci/core/scic_sds_stp_remote_device.c

@@ -565,7 +565,7 @@ enum sci_status scic_sds_stp_remote_device_ready_atapi_error_substate_event_hand
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[] = {
+static const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[] = {
 	[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
 		.parent.start_handler		= scic_sds_remote_device_default_start_handler,
 		.parent.stop_handler		= scic_sds_remote_device_ready_state_stop_handler,

drivers/scsi/isci/core/scic_sds_stp_request.c

@@ -267,7 +267,7 @@ static void scu_sata_reqeust_construct_task_context(
  * This method will perform any general sata request construction. What part of
  * SATA IO request construction is general? none
  */
-void scic_sds_stp_non_ncq_request_construct(
+static void scic_sds_stp_non_ncq_request_construct(
 	struct scic_sds_request *this_request)
 {
 	this_request->has_started_substate_machine = true;
@@ -318,33 +318,6 @@ static void scic_sds_stp_optimized_request_construct(struct scic_sds_request *sc
 	}
 }
 
-/**
- *
- * @sci_req: This parameter specifies the request to be constructed.
- *
- * This method will construct the STP UDMA request and its associated TC data.
- * This method returns an indication as to whether the construction was
- * successful. SCI_SUCCESS Currently this method always returns this value.
- */
-enum sci_status scic_sds_stp_udma_request_construct(struct scic_sds_request *sci_req,
-						    u32 len,
-						    enum dma_data_direction dir)
-{
-	scic_sds_stp_non_ncq_request_construct(sci_req);
-
-	scic_sds_stp_optimized_request_construct(sci_req, SCU_TASK_TYPE_DMA_IN,
-						 len, dir);
-
-	sci_base_state_machine_construct(
-		&sci_req->started_substate_machine,
-		&sci_req->parent.parent,
-		scic_sds_stp_request_started_udma_substate_table,
-		SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE
-		);
-
-	return SCI_SUCCESS;
-}
-
 /**
  *
  * @sci_req: This parameter specifies the request to be constructed.
@@ -364,7 +337,7 @@ enum sci_status scic_sds_stp_ncq_request_construct(struct scic_sds_request *sci_
 }
 
 /**
- *
+ * scu_stp_raw_request_construct_task_context -
  * @this_request: This parameter specifies the STP request object for which to
  *    construct a RAW command frame task context.
  * @task_context: This parameter specifies the SCU specific task context buffer
@@ -373,7 +346,7 @@ enum sci_status scic_sds_stp_ncq_request_construct(struct scic_sds_request *sci_
  * This method performs the operations common to all SATA/STP requests
  * utilizing the raw frame method. none
  */
-void scu_stp_raw_request_construct_task_context(
+static void scu_stp_raw_request_construct_task_context(
 	struct scic_sds_stp_request *this_request,
 	struct scu_task_context *task_context)
 {
@@ -386,59 +359,6 @@ void scu_stp_raw_request_construct_task_context(
 	task_context->transfer_length_bytes = sizeof(struct sata_fis_reg_h2d) - sizeof(u32);
 }
 
-/**
- *
- * @this_request: This parameter specifies the core request object to
- *    construction into an STP/SATA non-data request.
- *
- * This method will construct the STP Non-data request and its associated TC
- * data.  A non-data request essentially behaves like a 0 length read request
- * in the SCU. This method currently always returns SCI_SUCCESS
- */
-enum sci_status scic_sds_stp_non_data_request_construct(
-	struct scic_sds_request *this_request)
-{
-	scic_sds_stp_non_ncq_request_construct(this_request);
-
-	/* Build the STP task context structure */
-	scu_stp_raw_request_construct_task_context(
-		(struct scic_sds_stp_request *)this_request,
-		this_request->task_context_buffer
-		);
-
-	sci_base_state_machine_construct(
-		&this_request->started_substate_machine,
-		&this_request->parent.parent,
-		scic_sds_stp_request_started_non_data_substate_table,
-		SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE
-		);
-
-	return SCI_SUCCESS;
-}
-
-
-enum sci_status scic_sds_stp_soft_reset_request_construct(
-	struct scic_sds_request *this_request)
-{
-	scic_sds_stp_non_ncq_request_construct(this_request);
-
-	/* Build the STP task context structure */
-	scu_stp_raw_request_construct_task_context(
-		(struct scic_sds_stp_request *)this_request,
-		this_request->task_context_buffer
-		);
-
-	sci_base_state_machine_construct(
-		&this_request->started_substate_machine,
-		&this_request->parent.parent,
-		scic_sds_stp_request_started_soft_reset_substate_table,
-		SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE
-		);
-
-	return SCI_SUCCESS;
-}
-
-
 void scic_stp_io_request_set_ncq_tag(
 	struct scic_sds_request *req,
 	u16 ncq_tag)
@@ -474,7 +394,7 @@ void *scic_stp_io_request_get_d2h_reg_address(
  * - if there are more SGL element pairs - advance to the next pair and return
  * element A struct scu_sgl_element*
  */
-struct scu_sgl_element *scic_sds_stp_request_pio_get_next_sgl(struct scic_sds_stp_request *stp_req)
+static struct scu_sgl_element *scic_sds_stp_request_pio_get_next_sgl(struct scic_sds_stp_request *stp_req)
 {
 	struct scu_sgl_element *current_sgl;
 	struct scic_sds_request *sci_req = &stp_req->parent;
@@ -508,60 +428,6 @@ struct scu_sgl_element *scic_sds_stp_request_pio_get_next_sgl(struct scic_sds_st
 	return current_sgl;
 }
 
-/**
- *
- * @scic_io_request: The core request object which is cast to a SATA PIO
- *    request object.
- *
- * This method will construct the SATA PIO request. This method returns an
- * indication as to whether the construction was successful. SCI_SUCCESS
- * Currently this method always returns this value.
- */
-enum sci_status scic_sds_stp_pio_request_construct(
-	struct scic_sds_request *scic_io_request,
-	u8 sat_protocol,
-	bool copy_rx_frame)
-{
-	struct scic_sds_stp_request *this_request;
-
-	this_request = (struct scic_sds_stp_request *)scic_io_request;
-
-	scic_sds_stp_non_ncq_request_construct(&this_request->parent);
-
-	scu_stp_raw_request_construct_task_context(
-		this_request, this_request->parent.task_context_buffer
-		);
-
-	this_request->type.pio.current_transfer_bytes = 0;
-	this_request->type.pio.ending_error = 0;
-	this_request->type.pio.ending_status = 0;
-
-	this_request->type.pio.request_current.sgl_offset = 0;
-	this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A;
-	this_request->type.pio.sat_protocol = sat_protocol;
-
-	if (copy_rx_frame) {
-		scic_sds_request_build_sgl(&this_request->parent);
-		/*
-		 * Since the IO request copy of the TC contains the same data as
-		 * the actual TC this pointer is vaild for either. */
-		this_request->type.pio.request_current.sgl_pair =
-			&this_request->parent.task_context_buffer->sgl_pair_ab;
-	} else {
-		/* The user does not want the data copied to the SGL buffer location */
-		this_request->type.pio.request_current.sgl_pair = NULL;
-	}
-
-	sci_base_state_machine_construct(
-		&this_request->parent.started_substate_machine,
-		&this_request->parent.parent.parent,
-		scic_sds_stp_request_started_pio_substate_table,
-		SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE
-		);
-
-	return SCI_SUCCESS;
-}
-
 /**
  *
  * @this_request:
@@ -689,7 +555,7 @@ static enum sci_status scic_sds_stp_request_non_data_await_d2h_frame_handler(
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_non_data_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_non_data_substate_handler_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE] = {
 		.parent.start_handler    = scic_sds_request_default_start_handler,
 		.parent.abort_handler    = scic_sds_request_started_state_abort_handler,
@@ -740,7 +606,7 @@ static void scic_sds_stp_request_started_non_data_await_d2h_enter(
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_stp_request_started_non_data_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_non_data_substate_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE] = {
 		.enter_state = scic_sds_stp_request_started_non_data_await_h2d_completion_enter,
 	},
@@ -749,6 +615,23 @@ const struct sci_base_state scic_sds_stp_request_started_non_data_substate_table
 	},
 };
 
+enum sci_status scic_sds_stp_non_data_request_construct(struct scic_sds_request *sci_req)
+{
+	struct scic_sds_stp_request *stp_req = container_of(sci_req, typeof(*stp_req), parent);
+
+	scic_sds_stp_non_ncq_request_construct(sci_req);
+
+	/* Build the STP task context structure */
+	scu_stp_raw_request_construct_task_context(stp_req, sci_req->task_context_buffer);
+
+	sci_base_state_machine_construct(&sci_req->started_substate_machine,
+					 &sci_req->parent.parent,
+					 scic_sds_stp_request_started_non_data_substate_table,
+					 SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE);
+
+	return SCI_SUCCESS;
+}
+
 #define SCU_MAX_FRAME_BUFFER_SIZE  0x400  /* 1K is the maximum SCU frame data payload */
 
 /**
@@ -1330,7 +1213,7 @@ static enum sci_status scic_sds_stp_request_pio_data_in_await_data_event_handler
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_pio_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_pio_substate_handler_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE] = {
 		.parent.start_handler    = scic_sds_request_default_start_handler,
 		.parent.abort_handler    = scic_sds_request_started_state_abort_handler,
@@ -1422,7 +1305,7 @@ static void scic_sds_stp_request_started_pio_data_out_transmit_data_enter(
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_stp_request_started_pio_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_pio_substate_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE] = {
 		.enter_state = scic_sds_stp_request_started_pio_await_h2d_completion_enter,
 	},
@@ -1437,6 +1320,45 @@ const struct sci_base_state scic_sds_stp_request_started_pio_substate_table[] =
 	}
 };
 
+enum sci_status scic_sds_stp_pio_request_construct(struct scic_sds_request *sci_req,
+						   u8 sat_protocol,
+						   bool copy_rx_frame)
+{
+	struct scic_sds_stp_request *stp_req = container_of(sci_req, typeof(*stp_req), parent);
+	struct scic_sds_stp_pio_request *pio = &stp_req->type.pio;
+
+	scic_sds_stp_non_ncq_request_construct(sci_req);
+
+	scu_stp_raw_request_construct_task_context(stp_req,
+						   sci_req->task_context_buffer);
+
+	pio->current_transfer_bytes = 0;
+	pio->ending_error = 0;
+	pio->ending_status = 0;
+
+	pio->request_current.sgl_offset = 0;
+	pio->request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A;
+	pio->sat_protocol = sat_protocol;
+
+	if (copy_rx_frame) {
+		scic_sds_request_build_sgl(sci_req);
+		/* Since the IO request copy of the TC contains the same data as
+		 * the actual TC this pointer is vaild for either.
+		 */
+		pio->request_current.sgl_pair = &sci_req->task_context_buffer->sgl_pair_ab;
+	} else {
+		/* The user does not want the data copied to the SGL buffer location */
+		pio->request_current.sgl_pair = NULL;
+	}
+
+	sci_base_state_machine_construct(&sci_req->started_substate_machine,
+					 &sci_req->parent.parent,
+					 scic_sds_stp_request_started_pio_substate_table,
+					 SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE);
+
+	return SCI_SUCCESS;
+}
+
 static void scic_sds_stp_request_udma_complete_request(
 	struct scic_sds_request *this_request,
 	u32 scu_status,
@@ -1594,7 +1516,7 @@ static enum sci_status scic_sds_stp_request_udma_await_d2h_reg_fis_frame_handler
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_udma_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_udma_substate_handler_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE] = {
 		.parent.start_handler    = scic_sds_request_default_start_handler,
 		.parent.abort_handler    = scic_sds_request_started_state_abort_handler,
@@ -1648,7 +1570,7 @@ static void scic_sds_stp_request_started_udma_await_d2h_reg_fis_enter(
 
 /* --------------------------------------------------------------------------- */
 
-const struct sci_base_state scic_sds_stp_request_started_udma_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_udma_substate_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE] = {
 		.enter_state = scic_sds_stp_request_started_udma_await_tc_completion_enter,
 	},
@@ -1657,6 +1579,25 @@ const struct sci_base_state scic_sds_stp_request_started_udma_substate_table[] =
 	},
 };
 
+enum sci_status scic_sds_stp_udma_request_construct(struct scic_sds_request *sci_req,
+						    u32 len,
+						    enum dma_data_direction dir)
+{
+	scic_sds_stp_non_ncq_request_construct(sci_req);
+
+	scic_sds_stp_optimized_request_construct(sci_req, SCU_TASK_TYPE_DMA_IN,
+						 len, dir);
+
+	sci_base_state_machine_construct(
+		&sci_req->started_substate_machine,
+		&sci_req->parent.parent,
+		scic_sds_stp_request_started_udma_substate_table,
+		SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE
+		);
+
+	return SCI_SUCCESS;
+}
+
 /**
  *
  * @this_request:
@@ -1831,7 +1772,7 @@ static enum sci_status scic_sds_stp_request_soft_reset_await_d2h_frame_handler(
 
 /* --------------------------------------------------------------------------- */
 
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_soft_reset_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_soft_reset_substate_handler_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE] = {
 		.parent.start_handler    = scic_sds_request_default_start_handler,
 		.parent.abort_handler    = scic_sds_request_started_state_abort_handler,
@@ -1925,9 +1866,7 @@ static void scic_sds_stp_request_started_soft_reset_await_d2h_response_enter(
 		);
 }
 
-/* --------------------------------------------------------------------------- */
-
-const struct sci_base_state scic_sds_stp_request_started_soft_reset_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_soft_reset_substate_table[] = {
 	[SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE] = {
 		.enter_state = scic_sds_stp_request_started_soft_reset_await_h2d_asserted_completion_enter,
 	},
@@ -1939,3 +1878,19 @@ const struct sci_base_state scic_sds_stp_request_started_soft_reset_substate_tab
 	},
 };
 
+enum sci_status scic_sds_stp_soft_reset_request_construct(struct scic_sds_request *sci_req)
+{
+	struct scic_sds_stp_request *stp_req = container_of(sci_req, typeof(*stp_req), parent);
+
+	scic_sds_stp_non_ncq_request_construct(sci_req);
+
+	/* Build the STP task context structure */
+	scu_stp_raw_request_construct_task_context(stp_req, sci_req->task_context_buffer);
+
+	sci_base_state_machine_construct(&sci_req->started_substate_machine,
+					 &sci_req->parent.parent,
+					 scic_sds_stp_request_started_soft_reset_substate_table,
+					 SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE);
+
+	return SCI_SUCCESS;
+}

drivers/scsi/isci/core/scic_sds_stp_request.h

@@ -76,7 +76,7 @@ struct scic_sds_stp_request {
 
 		u32 udma;
 
-		struct {
+		struct scic_sds_stp_pio_request {
 			/**
 			 * Total transfer for the entire PIO request recorded at request constuction
 			 * time.
@@ -169,26 +169,8 @@ enum SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_SUBSTATES {
 	SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_SUBSTATE,
 };
 
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_udma_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_udma_substate_table[];
-
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_non_data_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_non_data_substate_table[];
-
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_soft_reset_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_soft_reset_substate_table[];
-
-/* --------------------------------------------------------------------------- */
-
 u32 scic_sds_stp_request_get_object_size(void);
 
-
-void scic_sds_stp_non_ncq_request_construct(
-	struct scic_sds_request *this_request);
-
 enum sci_status scic_sds_stp_pio_request_construct(
 	struct scic_sds_request *scic_io_request,
 	u8 sat_protocol,
@@ -214,8 +196,5 @@ enum sci_status scic_sds_stp_ncq_request_construct(
 	u32 transfer_length,
 	enum dma_data_direction dir);
 
-void scu_stp_raw_request_construct_task_context(
-	struct scic_sds_stp_request *this_request,
-	struct scu_task_context *task_context);
 
 #endif /* _SCIC_SDS_STP_REQUEST_T_ */

drivers/scsi/isci/firmware/README

@@ -32,5 +32,5 @@ Header Type - u8: 0xf
 ==============================================================================
 
 Place isci_firmware.bin in /lib/firmware
-Be sure to recreate the initramfs image to include the firmware. 
+Be sure to recreate the initramfs image to include the firmware.
 

drivers/scsi/isci/port.c

@@ -201,7 +201,7 @@ void isci_port_link_up(
 		call_status = scic_sata_phy_get_properties(phy,
 							   &sata_phy_properties);
 
-		/* 
+		/*
 		 * XXX I am concerned about this "assert". shouldn't we
 		 * handle the return appropriately?
 		 */

drivers/scsi/isci/request.c

@@ -1263,47 +1263,6 @@ enum dma_data_direction isci_request_io_request_get_data_direction(
  *
  * physical address in the specified sge.
  */
-dma_addr_t isci_request_sge_get_address_field(
-	struct isci_request *request,
-	void *sge_address)
-{
-	struct sas_task *task = isci_request_access_task(request);
-	dma_addr_t ret;
-	struct isci_host *isci_host = isci_host_from_sas_ha(
-		task->dev->port->ha);
-
-	dev_dbg(&isci_host->pdev->dev,
-		"%s: request = %p, sge_address = %p\n",
-		__func__,
-		request,
-		sge_address);
-
-	if (task->data_dir == PCI_DMA_NONE)
-		return 0;
-
-	/* the case where num_scatter == 0 is special, in that
-	 * task->scatter is the actual buffer address, not an sgl.
-	 * so a map single is required here.
-	 */
-	if ((task->num_scatter == 0) &&
-	    !sas_protocol_ata(task->task_proto)) {
-		ret = dma_map_single(
-			&isci_host->pdev->dev,
-			task->scatter,
-			task->total_xfer_len,
-			task->data_dir
-			);
-		request->zero_scatter_daddr = ret;
-	} else
-		ret = sg_dma_address(((struct scatterlist *)sge_address));
-
-	dev_dbg(&isci_host->pdev->dev,
-		"%s: bus address = %lx\n",
-		__func__,
-		(unsigned long)ret);
-
-	return ret;
-}
 
 
 /**
@@ -1314,38 +1273,6 @@ dma_addr_t isci_request_sge_get_address_field(
  *
  * length field value in the specified sge.
  */
-u32 isci_request_sge_get_length_field(
-	struct isci_request *request,
-	void *sge_address)
-{
-	struct sas_task *task = isci_request_access_task(request);
-	int ret;
-
-	dev_dbg(&request->isci_host->pdev->dev,
-		"%s: request = %p, sge_address = %p\n",
-		__func__,
-		request,
-		sge_address);
-
-	if (task->data_dir == PCI_DMA_NONE)
-		return 0;
-
-	/* the case where num_scatter == 0 is special, in that
-	 * task->scatter is the actual buffer address, not an sgl.
-	 * so we return total_xfer_len here.
-	 */
-	if (task->num_scatter == 0)
-		ret = task->total_xfer_len;
-	else
-		ret = sg_dma_len((struct scatterlist *)sge_address);
-
-	dev_dbg(&request->isci_host->pdev->dev,
-		"%s: len = %d\n",
-		__func__,
-		ret);
-
-	return ret;
-}
 
 
 /**

drivers/scsi/isci/request.h

@@ -391,13 +391,7 @@ static inline void *isci_request_io_request_get_next_sge(
 	return ret;
 }
 
-dma_addr_t isci_request_sge_get_address_field(
-	struct isci_request *request,
-	void *sge_address);
 
-u32 isci_request_sge_get_length_field(
-	struct isci_request *request,
-	void *sge_address);
 
 void *isci_request_ssp_io_request_get_cdb_address(
 	struct isci_request *request);

drivers/scsi/isci/task.c

@@ -588,7 +588,7 @@ void isci_task_build_tmf(
 	tmf->cb_data       = cb_data;
 }
 
-void isci_task_build_abort_task_tmf(
+static void isci_task_build_abort_task_tmf(
 	struct isci_tmf *tmf,
 	struct isci_remote_device *isci_device,
 	enum isci_tmf_function_codes code,
@@ -1528,15 +1528,6 @@ void isci_task_request_complete(
  *
  * lun for specified task request.
  */
-u32 isci_task_ssp_request_get_lun(struct isci_request *request)
-{
-	struct isci_tmf *isci_tmf = isci_request_access_tmf(request);
-
-	dev_dbg(&request->isci_host->pdev->dev,
-		"%s: lun = %d\n", __func__, isci_tmf->lun[0]);
-/* @todo: build lun from array of bytes to 32 bit */
-	return isci_tmf->lun[0];
-}
 
 /**
  * isci_task_ssp_request_get_function() - This function is called by the sci

drivers/scsi/isci/task.h

@@ -202,8 +202,6 @@ u16 isci_task_ssp_request_get_io_tag_to_manage(
 u8 isci_task_ssp_request_get_function(
 	struct isci_request *request);
 
-u32 isci_task_ssp_request_get_lun(
-	struct isci_request *request);
 
 void *isci_task_ssp_request_get_response_data_address(
 	struct isci_request *request);
@@ -226,14 +224,6 @@ void isci_task_build_tmf(
 			    void *),
 	void *cb_data);
 
-void isci_task_build_abort_task_tmf(
-	struct isci_tmf *tmf,
-	struct isci_remote_device *isci_device,
-	enum isci_tmf_function_codes code,
-	void (*tmf_sent_cb)(
-		enum isci_tmf_cb_state,
-		struct isci_tmf *, void *),
-	struct isci_request *old_request);
 
 int isci_task_execute_tmf(
 	struct isci_host *isci_host,