FreeBSD/Linux Kernel Cross Reference
sys/dev/isci/scil/scic_sds_controller.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
      *
      * This file is provided under a dual BSD/GPLv2 license.  When using or
      * redistributing this file, you may do so under either license.
      *
      * GPL LICENSE SUMMARY
      *
      * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
     *
     * This program is free software; you can redistribute it and/or modify
     * it under the terms of version 2 of the GNU General Public License as
     * published by the Free Software Foundation.
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     * WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
     * The full GNU General Public License is included in this distribution
     * in the file called LICENSE.GPL.
     *
     * BSD LICENSE
     *
     * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
     * All rights reserved.
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     *
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     * $FreeBSD$
     */
    #ifndef _SCIC_SDS_CONTROLLER_H_
    #define _SCIC_SDS_CONTROLLER_H_
    
    /**
     * @file
     *
     * @brief This file contains the structures, constants and prototypes used for
     *        the core controller object.
     */
    
    #ifdef __cplusplus
    extern "C" {
    #endif // __cplusplus
    
    #include <dev/isci/scil/sci_pool.h>
    #include <dev/isci/scil/sci_controller_constants.h>
    #include <dev/isci/scil/sci_memory_descriptor_list.h>
    #include <dev/isci/scil/sci_base_controller.h>
    #include <dev/isci/scil/scic_config_parameters.h>
    #include <dev/isci/scil/scic_sds_port.h>
    #include <dev/isci/scil/scic_sds_phy.h>
    #include <dev/isci/scil/scic_sds_remote_node_table.h>
    #include <dev/isci/scil/scu_registers.h>
    #include <dev/isci/scil/scu_constants.h>
    #include <dev/isci/scil/scu_remote_node_context.h>
    #include <dev/isci/scil/scu_task_context.h>
    #include <dev/isci/scil/scu_unsolicited_frame.h>
    #include <dev/isci/scil/scic_sds_unsolicited_frame_control.h>
    #include <dev/isci/scil/scic_sds_port_configuration_agent.h>
    #include <dev/isci/scil/scic_sds_pci.h>
    
    struct SCIC_SDS_REMOTE_DEVICE;
    struct SCIC_SDS_REQUEST;
    
    
    #define SCU_COMPLETION_RAM_ALIGNMENT            (64)
    
    /**
     * @enum SCIC_SDS_CONTROLLER_MEMORY_DESCRIPTORS
     *
     * This enumeration depects the types of MDEs that are going to be created for
     * the controller object.
     */
    enum SCIC_SDS_CONTROLLER_MEMORY_DESCRIPTORS
   {
      /**
       * Completion queue MDE entry
       */
      SCU_MDE_COMPLETION_QUEUE,
   
      /**
       * Remote node context MDE entry
       */
      SCU_MDE_REMOTE_NODE_CONTEXT,
   
      /**
       * Task context MDE entry
       */
      SCU_MDE_TASK_CONTEXT,
   
      /**
       * Unsolicited frame buffer MDE entrys this is the start of the unsolicited
       * frame buffer entries.
       */
      SCU_MDE_UF_BUFFER,
   
      SCU_MAX_MDES
   };
   
   /**
    * @struct SCIC_POWER_CONTROL
    *
    * This structure defines the fields for managing power control for direct
    * attached disk devices.
    */
   typedef struct SCIC_POWER_CONTROL
   {
      /**
       * This field is set when the power control timer is running and cleared when
       * it is not.
       */
      BOOL timer_started;
   
      /**
       * This field is the handle to the driver timer object.  This timer is used to
       * control when the directed attached disks can consume power.
       */
      void *timer;
   
      /**
      * This field is used to keep track of how many phys are put into the
      * requesters field.
      */
      U8 phys_waiting;
   
      /**
      * This field is used to keep track of how many remote devices have been granted to consume power
      */
      U8 remote_devices_granted_power;
   
      /**
       * This field is an array of phys that we are waiting on. The phys are direct
       * mapped into requesters via SCIC_SDS_PHY_T.phy_index
       */
      SCIC_SDS_PHY_T *requesters[SCI_MAX_PHYS];
   
   } SCIC_POWER_CONTROL_T;
   
   /**
    * @struct SCIC_SDS_CONTROLLER
    *
    * This structure represents the SCU contoller object.
    */
   typedef struct SCIC_SDS_CONTROLLER
   {
      /**
       * The SCI_BASE_CONTROLLER is the parent object for the SCIC_SDS_CONTROLLER
       * object.
       */
      SCI_BASE_CONTROLLER_T parent;
   
      /**
       * This field is the driver timer object handler used to time the controller
       * object start and stop requests.
       */
      void *timeout_timer;
   
      /**
       * This field is the current set of state handlers assigned to this controller
       * object.
       */
      struct SCIC_SDS_CONTROLLER_STATE_HANDLER *state_handlers;
   
      /**
       * This field contains the user parameters to be utilized for this
       * core controller object.
       */
      SCIC_USER_PARAMETERS_T  user_parameters;
   
      /**
       * This field contains the OEM parameters version defining the structure
       * layout. It comes from the version in the OEM block header.
       */
      U8 oem_parameters_version;
   
      /**
       * This field contains the OEM parameters to be utilized for this
       * core controller object.
       */
      SCIC_OEM_PARAMETERS_T  oem_parameters;
   
      /**
       * This field contains the port configuration agent for this controller.
       */
      SCIC_SDS_PORT_CONFIGURATION_AGENT_T port_agent;
   
      /**
       * This field is the array of port objects that are controlled by this
       * controller object.  There is one dummy port object also contained within
       * this controller object.
       */
      struct SCIC_SDS_PORT port_table[SCI_MAX_PORTS + 1];
   
      /**
       * This field is the array of phy objects that are controlled by this
       * controller object.
       */
      struct SCIC_SDS_PHY phy_table[SCI_MAX_PHYS];
   
      /**
       * This field is the array of device objects that are currently constructed
       * for this controller object.  This table is used as a fast lookup of device
       * objects that need to handle device completion notifications from the
       * hardware. The table is RNi based.
       */
      struct SCIC_SDS_REMOTE_DEVICE *device_table[SCI_MAX_REMOTE_DEVICES];
   
      /**
       * This field is the array of IO request objects that are currently active for
       * this controller object.  This table is used as a fast lookup of the io
       * request object that need to handle completion queue notifications.  The
       * table is TCi based.
       */
      struct SCIC_SDS_REQUEST *io_request_table[SCI_MAX_IO_REQUESTS];
   
      /**
       * This field is the free RNi data structure
       */
      SCIC_REMOTE_NODE_TABLE_T available_remote_nodes;
   
      /**
       * This field is the TCi pool used to manage the task context index.
       */
      SCI_POOL_CREATE(tci_pool, U16, SCI_MAX_IO_REQUESTS);
   
      /**
       * This filed is the SCIC_POWER_CONTROL data used to control when direct
       * attached devices can consume power.
       */
      SCIC_POWER_CONTROL_T power_control;
   
      /**
       * This field is the array of sequence values for the IO Tag fields.  Even
       * though only 4 bits of the field is used for the sequence the sequence is 16
       * bits in size so the sequence can be bitwise or'd with the TCi to build the
       * IO Tag value.
       */
      U16 io_request_sequence[SCI_MAX_IO_REQUESTS];
   
      /**
       * This field in the array of sequence values for the RNi.  These are used
       * to control io request build to io request start operations.  The sequence
       * value is recorded into an io request when it is built and is checked on
       * the io request start operation to make sure that there was not a device
       * hot plug between the build and start operation.
       */
      U8  remote_device_sequence[SCI_MAX_REMOTE_DEVICES];
   
      /**
       * This field is a pointer to the memory allocated by the driver for the task
       * context table.  This data is shared between the hardware and software.
       */
      SCU_TASK_CONTEXT_T *task_context_table;
   
      /**
       * This field is a pointer to the memory allocated by the driver for the
       * remote node context table.  This table is shared between the hardware and
       * software.
       */
      SCU_REMOTE_NODE_CONTEXT_T *remote_node_context_table;
   
      /**
       * This field is the array of physical memory requiremets for this controller
       * object.
       */
      SCI_PHYSICAL_MEMORY_DESCRIPTOR_T memory_descriptors[SCU_MAX_MDES];
   
      /**
       * This field is a pointer to the completion queue.  This memory is
       * written to by the hardware and read by the software.
       */
      U32 *completion_queue;
   
      /**
       * This field is the software copy of the completion queue get pointer.  The
       * controller object writes this value to the hardware after processing the
       * completion entries.
       */
      U32 completion_queue_get;
   
      /**
       * This field is the minimum of the number of hardware supported port entries
       * and the software requested port entries.
       */
      U32 logical_port_entries;
   
      /**
       * This field is the minimum number of hardware supported completion queue
       * entries and the software requested completion queue entries.
       */
      U32 completion_queue_entries;
   
      /**
       * This field is the minimum number of hardware supported event entries and
       * the software requested event entries.
       */
      U32 completion_event_entries;
   
      /**
       * This field is the minimum number of devices supported by the hardware and
       * the number of devices requested by the software.
       */
      U32 remote_node_entries;
   
      /**
       * This field is the minimum number of IO requests supported by the hardware
       * and the number of IO requests requested by the software.
       */
      U32 task_context_entries;
   
      /**
       * This object contains all of the unsolicited frame specific
       * data utilized by the core controller.
       */
      SCIC_SDS_UNSOLICITED_FRAME_CONTROL_T uf_control;
   
      /**
       * This field records the fact that the controller has encountered a fatal
       * error and must be reset.
       */
      BOOL encountered_fatal_error;
   
      /**
       * This field specifies that the controller should ignore
       * completion processing for non-fastpath events.  This will
       * cause the completions to be thrown away.
       */
      BOOL restrict_completions;
   
      // Phy Startup Data
      /**
       * This field is the driver timer handle for controller phy request startup.
       * On controller start the controller will start each PHY individually in
       * order of phy index.
       */
      void *phy_startup_timer;
   
      /**
       * This field is set when the phy_startup_timer is running and is cleared when
       * the phy_startup_timer is stopped.
       */
      BOOL phy_startup_timer_pending;
   
      /**
       * This field is the index of the next phy start.  It is initialized to 0 and
       * increments for each phy index that is started.
       */
      U32 next_phy_to_start;
   
      /**
       * This field controls the invalid link up notifications to the SCI_USER.  If
       * an invalid_link_up notification is reported a bit for the PHY index is set
       * so further notifications are not made.  Once the PHY object reports link up
       * and is made part of a port then this bit for the PHY index is cleared.
       */
      U8  invalid_phy_mask;
   
      /**
       * This is the controller index for this controller object.
       */
      U8 controller_index;
   
      /**
       * This field is the PCI revision code for the controller object.
       */
      enum SCU_CONTROLLER_PCI_REVISION_CODE pci_revision;
   
      /*
       * This field saves the current interrupt coalescing number of the controller.
       */
      U16 interrupt_coalesce_number;
   
      /*
       * This field saves the current interrupt coalescing timeout value in microseconds.
       */
      U32 interrupt_coalesce_timeout;
   
      // Hardware memory mapped register space
   #ifdef ARLINGTON_BUILD
      /**
       * This field is a pointer to the memory mapped register space for the
       * LEX_REGISTERS.
       */
      LEX_REGISTERS_T *lex_registers;
   #endif
   
      /**
       * This field is a pointer to the memory mapped register space for the
       * SMU_REGISTERS.
       */
      SMU_REGISTERS_T *smu_registers;
   
      /**
       * This field is a pointer to the memory mapped register space for the
       * SCU_REGISTERS.
       */
      SCU_REGISTERS_T *scu_registers;
   
   } SCIC_SDS_CONTROLLER_T;
   
   
   typedef void (*SCIC_SDS_CONTROLLER_PHY_HANDLER_T)(
                        struct SCIC_SDS_CONTROLLER *controller,
                        struct SCIC_SDS_PORT       *port,
                        struct SCIC_SDS_PHY        *phy
                        );
   
   typedef void (*SCIC_SDS_CONTROLLER_DEVICE_HANDLER_T)(
                        struct SCIC_SDS_CONTROLLER    * controller,
                        struct SCIC_SDS_REMOTE_DEVICE * device
                        );
   /**
    * @struct SCIC_SDS_CONTROLLER_STATE_HANDLER
    *
    * This structure contains the SDS core specific definition for the state
    * handlers.
    */
   typedef struct SCIC_SDS_CONTROLLER_STATE_HANDLER
   {
      SCI_BASE_CONTROLLER_STATE_HANDLER_T parent;
   
      SCI_BASE_CONTROLLER_REQUEST_HANDLER_T terminate_request_handler;
      SCIC_SDS_CONTROLLER_PHY_HANDLER_T     link_up_handler;
      SCIC_SDS_CONTROLLER_PHY_HANDLER_T     link_down_handler;
      SCIC_SDS_CONTROLLER_DEVICE_HANDLER_T  remote_device_started_handler;
      SCIC_SDS_CONTROLLER_DEVICE_HANDLER_T  remote_device_stopped_handler;
   
   } SCIC_SDS_CONTROLLER_STATE_HANDLER_T;
   
   extern SCIC_SDS_CONTROLLER_STATE_HANDLER_T
          scic_sds_controller_state_handler_table[];
   extern SCI_BASE_STATE_T scic_sds_controller_state_table[];
   
   /**
    * This macro will increment the specified index to and if the index wraps
    * to 0 it will toggel the cycle bit.
    */
   #define INCREMENT_QUEUE_GET(index, cycle, entry_count, bit_toggle) \
   { \
      if ((index) + 1 == entry_count) \
      { \
         (index) = 0; \
         (cycle) = (cycle) ^ (bit_toggle); \
      } \
      else \
      { \
         index = index + 1; \
      } \
   }
   
   /**
    * This is a helper macro that sets the state handlers for the controller
    * object
    */
   #define scic_sds_controller_set_state_handlers(this_controller, handlers) \
      ((this_controller)->state_handlers = (handlers))
   
   /**
    * This is a helper macro that gets the base state machine for the
    * controller object
    */
   #define scic_sds_controller_get_base_state_machine(this_contoroller) \
      (&(this_controller)->parent.state_machine)
   
   /**
    * This is a helper macro to get the port configuration agent from the
    * controller object.
    */
   #define scic_sds_controller_get_port_configuration_agent(controller) \
      (&(controller)->port_agent)
   
   /**
    * This is a helper macro that sets the base state machine state handlers
    * based on the state id
    */
   #define scic_sds_controller_set_base_state_handlers(this_controller, state_id) \
      scic_sds_controller_set_state_handlers( \
         this_controller, &scic_sds_controller_state_handler_table[(state_id)])
   
   /**
    * This macro writes to the smu_register for this controller
    */
   #define smu_register_write(controller, reg, value) \
      scic_sds_pci_write_smu_dword((controller), &(reg), (value))
   
   /**
    * This macro reads the smu_register for this controller
    */
   #define smu_register_read(controller, reg) \
      scic_sds_pci_read_smu_dword((controller), &(reg))
   
   /**
    * This mcaro writes the scu_register for this controller
    */
   #define scu_register_write(controller, reg, value) \
      scic_sds_pci_write_scu_dword((controller), &(reg), (value))
   
   /**
    * This macro reads the scu_register for this controller
    */
   #define scu_register_read(controller, reg) \
      scic_sds_pci_read_scu_dword((controller), &(reg))
   
   #ifdef ARLINGTON_BUILD
      /**
       * This macro writes to the lex_register for this controller.
       */
      #define lex_register_write(controller, reg, value) \
         scic_cb_pci_write_dword((controller), (reg), (value))
   
      /**
       * This macro reads from the lex_register for this controller.
       */
      #define lex_register_read(controller, reg) \
         scic_cb_pci_read_dword((controller), (reg))
   #endif // ARLINGTON_BUILD
   
   /**
    * This macro returns the protocol engine group for this controller object.
    * Presently we only support protocol engine group 0 so just return that
    */
   #define scic_sds_controller_get_protocol_engine_group(controller) 0
   
   /**
    * This macro constructs an IO tag from the sequence and index values.
    */
   #define scic_sds_io_tag_construct(sequence, task_index) \
      ((sequence) << 12 | (task_index))
   
   /**
    * This macro returns the IO sequence from the IO tag value.
    */
   #define scic_sds_io_tag_get_sequence(io_tag) \
      (((io_tag) & 0xF000) >> 12)
   
   /**
    * This macro returns the TCi from the io tag value
    */
   #define scic_sds_io_tag_get_index(io_tag) \
      ((io_tag) & 0x0FFF)
   
   /**
    * This is a helper macro to increment the io sequence count.
    *
    * We may find in the future that it will be faster to store the sequence
    * count in such a way as we dont perform the shift operation to build io
    * tag values so therefore need a way to incrment them correctly
    */
   #define scic_sds_io_sequence_increment(value) \
      ((value) = (((value) + 1) & 0x000F))
   
   #define scic_sds_remote_device_node_count(device) \
      ( \
         ( \
            (device)->target_protocols.u.bits.attached_stp_target \
         && ((device)->is_direct_attached != TRUE) \
         ) \
         ? SCU_STP_REMOTE_NODE_COUNT : SCU_SSP_REMOTE_NODE_COUNT \
      )
   
   /**
    * This macro will set the bit in the invalid phy mask for this controller
    * object.  This is used to control messages reported for invalid link up
    * notifications.
    */
   #define scic_sds_controller_set_invalid_phy(controller, phy) \
      ((controller)->invalid_phy_mask |= (1 << (phy)->phy_index))
   
   /**
    * This macro will clear the bit in the invalid phy mask for this controller
    * object.  This is used to control messages reported for invalid link up
    * notifications.
    */
   #define scic_sds_controller_clear_invalid_phy(controller, phy) \
      ((controller)->invalid_phy_mask &= ~(1 << (phy)->phy_index))
   
   // ---------------------------------------------------------------------------
   
   U32 scic_sds_controller_get_object_size(void);
   
   // ---------------------------------------------------------------------------
   
   U32 scic_sds_controller_get_min_timer_count(void);
   U32 scic_sds_controller_get_max_timer_count(void);
   
   // ---------------------------------------------------------------------------
   
   void scic_sds_controller_post_request(
      SCIC_SDS_CONTROLLER_T *this_controller,
      U32                    request
   );
   
   // ---------------------------------------------------------------------------
   
   void scic_sds_controller_release_frame(
      SCIC_SDS_CONTROLLER_T *this_controller,
      U32                   frame_index
   );
   
   void scic_sds_controller_copy_sata_response(
      void * response_buffer,
      void * frame_header,
      void * frame_buffer
   );
   
   // ---------------------------------------------------------------------------
   
   SCI_STATUS scic_sds_controller_allocate_remote_node_context(
      SCIC_SDS_CONTROLLER_T         *this_controller,
      struct SCIC_SDS_REMOTE_DEVICE *the_device,
      U16                           *node_id
   );
   
   void scic_sds_controller_free_remote_node_context(
      SCIC_SDS_CONTROLLER_T         *this_controller,
      struct SCIC_SDS_REMOTE_DEVICE *the_device,
      U16                            node_id
   );
   
   SCU_REMOTE_NODE_CONTEXT_T *scic_sds_controller_get_remote_node_context_buffer(
      SCIC_SDS_CONTROLLER_T *this_controller,
      U16                    node_id
   );
   
   // ---------------------------------------------------------------------------
   
   struct SCIC_SDS_REQUEST *scic_sds_controller_get_io_request_from_tag(
      SCIC_SDS_CONTROLLER_T *this_controller,
      U16                    io_tag
   );
   
   U16 scic_sds_controller_get_io_sequence_from_tag(
      SCIC_SDS_CONTROLLER_T *this_controller,
      U16                    io_tag
   );
   
   SCU_TASK_CONTEXT_T *scic_sds_controller_get_task_context_buffer(
      SCIC_SDS_CONTROLLER_T *this_controller,
      U16                   io_tag
   );
   
   //-----------------------------------------------------------------------------
   
   SCI_STATUS scic_sds_terminate_reqests(
           SCIC_SDS_CONTROLLER_T *this_controller,
           struct SCIC_SDS_REMOTE_DEVICE *this_remote_device,
           struct SCIC_SDS_PORT *this_port
   );
   
   //*****************************************************************************
   //* CORE CONTROLLER POWER CONTROL METHODS
   //*****************************************************************************
   
   void scic_sds_controller_power_control_timer_handler(
      void *controller
   );
   
   void scic_sds_controller_power_control_queue_insert(
      SCIC_SDS_CONTROLLER_T *this_controller,
      struct SCIC_SDS_PHY   *the_phy
   );
   
   void scic_sds_controller_power_control_queue_remove(
      SCIC_SDS_CONTROLLER_T *this_controller,
      struct SCIC_SDS_PHY   *the_phy
   );
   
   //*****************************************************************************
   //* CORE CONTROLLER PHY MESSAGE PROCESSING
   //*****************************************************************************
   
   void scic_sds_controller_link_up(
      SCIC_SDS_CONTROLLER_T *this_controller,
      struct SCIC_SDS_PORT  *the_port,
      struct SCIC_SDS_PHY   *the_phy
   );
   
   void scic_sds_controller_link_down(
      SCIC_SDS_CONTROLLER_T *this_controller,
      struct SCIC_SDS_PORT  *the_port,
      struct SCIC_SDS_PHY   *the_phy
   );
   
   //*****************************************************************************
   //* CORE CONTROLLER PORT AGENT MESSAGE PROCESSING
   //*****************************************************************************
   void scic_sds_controller_port_agent_configured_ports(
      SCIC_SDS_CONTROLLER_T * this_controller
   );
   
   //*****************************************************************************
   //* CORE CONTROLLER REMOTE DEVICE MESSAGE PROCESSING
   //*****************************************************************************
   
   BOOL scic_sds_controller_has_remote_devices_stopping(
      SCIC_SDS_CONTROLLER_T * this_controller
   );
   
   void scic_sds_controller_remote_device_started(
      SCIC_SDS_CONTROLLER_T         * this_controller,
      struct SCIC_SDS_REMOTE_DEVICE * the_device
   );
   
   void scic_sds_controller_remote_device_stopped(
      SCIC_SDS_CONTROLLER_T         * this_controller,
      struct SCIC_SDS_REMOTE_DEVICE * the_device
   );
   
   //*****************************************************************************
   //* CORE CONTROLLER PRIVATE METHODS
   //*****************************************************************************
   
   #ifdef SCI_LOGGING
   void scic_sds_controller_initialize_state_logging(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_deinitialize_state_logging(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   #else
   #define scic_sds_controller_initialize_state_logging(x)
   #define scic_sds_controller_deinitialize_state_logging(x)
   #endif
   
   SCI_STATUS scic_sds_controller_validate_memory_descriptor_table(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_ram_initialization(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_assign_task_entries(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_afe_initialization(
      SCIC_SDS_CONTROLLER_T * this_controller
   );
   
   void scic_sds_controller_enable_port_task_scheduler(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_initialize_completion_queue(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_initialize_unsolicited_frame_queue(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_phy_timer_stop(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   BOOL scic_sds_controller_is_start_complete(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   SCI_STATUS scic_sds_controller_start_next_phy(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   SCI_STATUS scic_sds_controller_stop_phys(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   SCI_STATUS scic_sds_controller_stop_ports(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   SCI_STATUS scic_sds_controller_stop_devices(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_copy_task_context(
      SCIC_SDS_CONTROLLER_T   *this_controller,
      struct SCIC_SDS_REQUEST *this_request
   );
   
   void scic_sds_controller_timeout_handler(
      SCI_CONTROLLER_HANDLE_T controller
   );
   
   void scic_sds_controller_initialize_power_control(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_register_setup(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_reset_hardware(
      SCIC_SDS_CONTROLLER_T * this_controller
   );
   
   #ifdef ARLINGTON_BUILD
   void scic_sds_controller_lex_atux_initialization(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   void scic_sds_controller_enable_chipwatch(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   #endif // ARLINGTON_BUILD
   
   void scic_sds_controller_build_memory_descriptor_table(
      SCIC_SDS_CONTROLLER_T *this_controller
   );
   
   #ifdef __cplusplus
   }
   #endif // __cplusplus
   
   #endif // _SCIC_SDS_CONTROLLER_H_

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