isci: unify port reset, add_phy, and remove_phy handlers
Piotr Sawicki [Thu, 12 May 2011 19:10:03 +0000 (19:10 +0000)]
Unify the implementations and remove the state handlers.

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Piotr Sawicki <piotr.sawicki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/scsi/isci/port.c
drivers/scsi/isci/port.h

index 1a058a2..5501e14 100644 (file)
@@ -531,40 +531,6 @@ static enum sci_status scic_sds_port_clear_phy(
        return SCI_FAILURE;
 }
 
-/**
- * scic_sds_port_add_phy() -
- * @sci_port: This parameter specifies the port in which the phy will be added.
- * @sci_phy: This parameter is the phy which is to be added to the port.
- *
- * This method will add a PHY to the selected port. This method returns an
- * enum sci_status. SCI_SUCCESS the phy has been added to the port. Any other status
- * is failre to add the phy to the port.
- */
-enum sci_status scic_sds_port_add_phy(
-       struct scic_sds_port *sci_port,
-       struct scic_sds_phy *sci_phy)
-{
-       return sci_port->state_handlers->add_phy_handler(
-                      sci_port, sci_phy);
-}
-
-
-/**
- * scic_sds_port_remove_phy() -
- * @sci_port: This parameter specifies the port in which the phy will be added.
- * @sci_phy: This parameter is the phy which is to be added to the port.
- *
- * This method will remove the PHY from the selected PORT. This method returns
- * an enum sci_status. SCI_SUCCESS the phy has been removed from the port. Any other
- * status is failre to add the phy to the port.
- */
-enum sci_status scic_sds_port_remove_phy(
-       struct scic_sds_port *sci_port,
-       struct scic_sds_phy *sci_phy)
-{
-       return sci_port->state_handlers->remove_phy_handler(
-                      sci_port, sci_phy);
-}
 
 /**
  * This method requests the SAS address for the supplied SAS port from the SCI
@@ -745,23 +711,6 @@ enum sci_status scic_sds_port_initialize(
        return SCI_SUCCESS;
 }
 
-/**
- * scic_port_hard_reset() - perform port hard reset
- * @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.
- */
-static enum sci_status scic_port_hard_reset(struct scic_sds_port *port,
-                                           u32 reset_timeout)
-{
-       return port->state_handlers->reset_handler(
-                      port, reset_timeout);
-}
 
 /**
  * This method assigns the direct attached device ID for this port.
@@ -1186,48 +1135,6 @@ static enum sci_status scic_sds_port_ready_substate_complete_io_handler(
        return SCI_SUCCESS;
 }
 
-static enum sci_status scic_sds_port_ready_substate_add_phy_handler(struct scic_sds_port *sci_port,
-                                                                   struct scic_sds_phy *sci_phy)
-{
-       enum sci_status status;
-
-       status = scic_sds_port_set_phy(sci_port, sci_phy);
-
-       if (status != SCI_SUCCESS)
-               return status;
-
-       scic_sds_port_general_link_up_handler(sci_port, sci_phy, true);
-       sci_port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING;
-       port_state_machine_change(sci_port, SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
-
-       return status;
-}
-
-
-static enum sci_status scic_sds_port_ready_substate_remove_phy_handler(struct scic_sds_port *port,
-                                                                      struct scic_sds_phy *phy)
-{
-       enum sci_status status;
-
-       status = scic_sds_port_clear_phy(port, phy);
-
-       if (status != SCI_SUCCESS)
-               return status;
-
-       scic_sds_port_deactivate_phy(port, phy, true);
-
-       port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING;
-
-       port_state_machine_change(port,
-                                 SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
-       return status;
-}
-
-/*
- * ****************************************************************************
- * *  READY SUBSTATE WAITING HANDLERS
- * **************************************************************************** */
-
 /**
  *
  * @sci_port: This is the struct scic_sds_port object that which has a phy that has
@@ -1264,57 +1171,6 @@ static enum sci_status scic_sds_port_ready_waiting_substate_start_io_handler(
        return SCI_FAILURE_INVALID_STATE;
 }
 
-/*
- * ****************************************************************************
- * *  READY SUBSTATE OPERATIONAL HANDLERS
- * **************************************************************************** */
-
-/*
- * This method will casue the port to reset. enum sci_status SCI_SUCCESS
- */
-static enum
-sci_status scic_sds_port_ready_operational_substate_reset_handler(
-               struct scic_sds_port *port,
-               u32 timeout)
-{
-       enum sci_status status = SCI_FAILURE_INVALID_PHY;
-       u32 phy_index;
-       struct scic_sds_phy *selected_phy = NULL;
-
-
-       /* Select a phy on which we can send the hard reset request. */
-       for (phy_index = 0;
-            (phy_index < SCI_MAX_PHYS) && (selected_phy == NULL);
-            phy_index++) {
-               selected_phy = port->phy_table[phy_index];
-
-               if ((selected_phy != NULL) &&
-                   !scic_sds_port_active_phy(port, selected_phy)) {
-                       /*
-                        * We found a phy but it is not ready select
-                        * different phy
-                        */
-                       selected_phy = NULL;
-               }
-       }
-
-       /* If we have a phy then go ahead and start the reset procedure */
-       if (selected_phy != NULL) {
-               status = scic_sds_phy_reset(selected_phy);
-
-               if (status == SCI_SUCCESS) {
-                       isci_timer_start(port->timer_handle, timeout);
-                       port->not_ready_reason =
-                               SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED;
-
-                       port_state_machine_change(port,
-                                                 SCI_BASE_PORT_STATE_RESETTING);
-               }
-       }
-
-       return status;
-}
-
 /**
  * scic_sds_port_ready_operational_substate_link_up_handler() -
  * @sci_port: This is the struct scic_sds_port object that which has a phy that has
@@ -1372,61 +1228,6 @@ static enum sci_status scic_sds_port_ready_operational_substate_start_io_handler
        return SCI_SUCCESS;
 }
 
-/*
- * ****************************************************************************
- * *  READY SUBSTATE OPERATIONAL HANDLERS
- * **************************************************************************** */
-
-/*
- * This is the default method for a port add phy request.  It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-static enum sci_status scic_sds_port_ready_configuring_substate_add_phy_handler(
-       struct scic_sds_port *port,
-       struct scic_sds_phy *phy)
-{
-       enum sci_status status;
-
-       status = scic_sds_port_set_phy(port, phy);
-
-       if (status == SCI_SUCCESS) {
-               scic_sds_port_general_link_up_handler(port, phy, true);
-
-               /*
-                * Re-enter the configuring state since this may be the last phy in
-                * the port. */
-               port_state_machine_change(port,
-                                         SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
-       }
-
-       return status;
-}
-
-/*
- * This is the default method for a port remove phy request.  It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-static enum sci_status scic_sds_port_ready_configuring_substate_remove_phy_handler(
-       struct scic_sds_port *port,
-       struct scic_sds_phy *phy)
-{
-       enum sci_status status;
-
-       status = scic_sds_port_clear_phy(port, phy);
-
-       if (status != SCI_SUCCESS)
-               return status;
-       scic_sds_port_deactivate_phy(port, phy, true);
-
-       /* Re-enter the configuring state since this may be the last phy in
-        * the port
-        */
-       port_state_machine_change(port,
-                                 SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
-
-       return status;
-}
-
 /**
  * scic_sds_port_ready_configuring_substate_complete_io_handler() -
  * @port: This is the port that is being requested to complete the io request.
@@ -1461,27 +1262,6 @@ static enum sci_status default_port_handler(struct scic_sds_port *sci_port,
        return SCI_FAILURE_INVALID_STATE;
 }
 
-static enum sci_status
-scic_sds_port_default_reset_handler(struct scic_sds_port *sci_port,
-                                   u32 timeout)
-{
-       return default_port_handler(sci_port, __func__);
-}
-
-static enum sci_status
-scic_sds_port_default_add_phy_handler(struct scic_sds_port *sci_port,
-                                     struct scic_sds_phy *base_phy)
-{
-       return default_port_handler(sci_port, __func__);
-}
-
-static enum sci_status
-scic_sds_port_default_remove_phy_handler(struct scic_sds_port *sci_port,
-                                        struct scic_sds_phy *base_phy)
-{
-       return default_port_handler(sci_port, __func__);
-}
-
 /*
  * 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
@@ -1818,70 +1598,6 @@ static enum sci_status scic_sds_port_general_complete_io_handler(
 }
 
 /*
- * This method takes the struct scic_sds_port that is in a stopped state and handles
- * the add phy request.  In MPC mode the only time a phy can be added to a port
- * is in the SCI_BASE_PORT_STATE_STOPPED. enum sci_status
- * SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION is returned when the phy can not
- * be added to the port. SCI_SUCCESS if the phy is added to the port.
- */
-static enum sci_status scic_sds_port_stopped_state_add_phy_handler(
-       struct scic_sds_port *port,
-       struct scic_sds_phy *phy)
-{
-       struct sci_sas_address port_sas_address;
-
-       /* Read the port assigned SAS Address if there is one */
-       scic_sds_port_get_sas_address(port, &port_sas_address);
-
-       if (port_sas_address.high != 0 && port_sas_address.low != 0) {
-               struct sci_sas_address phy_sas_address;
-
-               /*
-                * Make sure that the PHY SAS Address matches the SAS Address
-                * for this port. */
-               scic_sds_phy_get_sas_address(phy, &phy_sas_address);
-
-               if (
-                       (port_sas_address.high != phy_sas_address.high)
-                       || (port_sas_address.low  != phy_sas_address.low)
-                       ) {
-                       return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
-               }
-       }
-
-       return scic_sds_port_set_phy(port, phy);
-}
-
-/*
- * This method takes the struct scic_sds_port that is in a stopped state and handles
- * the remove phy request.  In MPC mode the only time a phy can be removed from
- * a port is in the SCI_BASE_PORT_STATE_STOPPED. enum sci_status
- * SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION is returned when the phy can not
- * be added to the port. SCI_SUCCESS if the phy is added to the port.
- */
-static enum sci_status scic_sds_port_stopped_state_remove_phy_handler(
-       struct scic_sds_port *port,
-       struct scic_sds_phy *phy)
-{
-       return scic_sds_port_clear_phy(port, phy);
-}
-
-/*
- * ****************************************************************************
- * *  READY STATE HANDLERS
- * **************************************************************************** */
-
-/*
- * ****************************************************************************
- * *  RESETTING STATE HANDLERS
- * **************************************************************************** */
-
-/*
- * ****************************************************************************
- * *  STOPPING STATE HANDLERS
- * **************************************************************************** */
-
-/*
  * This method takes the struct scic_sds_port that is in a stopping state and handles
  * the complete io request. Should the request count reach 0 then the port
  * object will transition to the stopped state. enum sci_status SCI_SUCCESS
@@ -2044,11 +1760,171 @@ enum sci_status scic_sds_port_stop(struct scic_sds_port *sci_port)
        }
 }
 
+static enum sci_status scic_port_hard_reset(struct scic_sds_port *sci_port, u32 timeout)
+{
+       enum sci_status status = SCI_FAILURE_INVALID_PHY;
+       struct scic_sds_phy *selected_phy = NULL;
+       enum scic_sds_port_states state;
+       u32 phy_index;
+
+       state = sci_port->state_machine.current_state_id;
+       if (state != SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL) {
+               dev_warn(sciport_to_dev(sci_port),
+                        "%s: in wrong state: %d\n", __func__, state);
+               return SCI_FAILURE_INVALID_STATE;
+       }
+
+       /* Select a phy on which we can send the hard reset request. */
+       for (phy_index = 0; phy_index < SCI_MAX_PHYS && !selected_phy; phy_index++) {
+               selected_phy = sci_port->phy_table[phy_index];
+               if (selected_phy &&
+                   !scic_sds_port_active_phy(sci_port, selected_phy)) {
+                       /*
+                        * We found a phy but it is not ready select
+                        * different phy
+                        */
+                       selected_phy = NULL;
+               }
+       }
+
+       /* If we have a phy then go ahead and start the reset procedure */
+       if (!selected_phy)
+               return status;
+       status = scic_sds_phy_reset(selected_phy);
+
+       if (status != SCI_SUCCESS)
+               return status;
+
+       isci_timer_start(sci_port->timer_handle, timeout);
+       sci_port->not_ready_reason = SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED;
+
+       port_state_machine_change(sci_port,
+                                 SCI_BASE_PORT_STATE_RESETTING);
+       return SCI_SUCCESS;
+}
+
+/**
+ * scic_sds_port_add_phy() -
+ * @sci_port: This parameter specifies the port in which the phy will be added.
+ * @sci_phy: This parameter is the phy which is to be added to the port.
+ *
+ * This method will add a PHY to the selected port. This method returns an
+ * enum sci_status. SCI_SUCCESS the phy has been added to the port. Any other
+ * status is a failure to add the phy to the port.
+ */
+enum sci_status scic_sds_port_add_phy(struct scic_sds_port *sci_port,
+                                     struct scic_sds_phy *sci_phy)
+{
+       enum sci_status status;
+       enum scic_sds_port_states state;
+
+       state = sci_port->state_machine.current_state_id;
+       switch (state) {
+       case SCI_BASE_PORT_STATE_STOPPED: {
+               struct sci_sas_address port_sas_address;
+
+               /* Read the port assigned SAS Address if there is one */
+               scic_sds_port_get_sas_address(sci_port, &port_sas_address);
+
+               if (port_sas_address.high != 0 && port_sas_address.low != 0) {
+                       struct sci_sas_address phy_sas_address;
+
+                       /* Make sure that the PHY SAS Address matches the SAS Address
+                        * for this port
+                        */
+                       scic_sds_phy_get_sas_address(sci_phy, &phy_sas_address);
+
+                       if (port_sas_address.high != phy_sas_address.high ||
+                           port_sas_address.low  != phy_sas_address.low)
+                               return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
+               }
+               return scic_sds_port_set_phy(sci_port, sci_phy);
+       }
+       case SCIC_SDS_PORT_READY_SUBSTATE_WAITING:
+       case SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL:
+               status = scic_sds_port_set_phy(sci_port, sci_phy);
+
+               if (status != SCI_SUCCESS)
+                       return status;
+
+               scic_sds_port_general_link_up_handler(sci_port, sci_phy, true);
+               sci_port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING;
+               port_state_machine_change(sci_port, SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
+
+               return status;
+       case SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING:
+               status = scic_sds_port_set_phy(sci_port, sci_phy);
+
+               if (status != SCI_SUCCESS)
+                       return status;
+               scic_sds_port_general_link_up_handler(sci_port, sci_phy, true);
+
+               /* Re-enter the configuring state since this may be the last phy in
+                * the port.
+                */
+               port_state_machine_change(sci_port,
+                                         SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
+               return SCI_SUCCESS;
+       default:
+               dev_warn(sciport_to_dev(sci_port),
+                        "%s: in wrong state: %d\n", __func__, state);
+               return SCI_FAILURE_INVALID_STATE;
+       }
+}
+
+/**
+ * scic_sds_port_remove_phy() -
+ * @sci_port: This parameter specifies the port in which the phy will be added.
+ * @sci_phy: This parameter is the phy which is to be added to the port.
+ *
+ * This method will remove the PHY from the selected PORT. This method returns
+ * an enum sci_status. SCI_SUCCESS the phy has been removed from the port. Any
+ * other status is a failure to add the phy to the port.
+ */
+enum sci_status scic_sds_port_remove_phy(struct scic_sds_port *sci_port,
+                                        struct scic_sds_phy *sci_phy)
+{
+       enum sci_status status;
+       enum scic_sds_port_states state;
+
+       state = sci_port->state_machine.current_state_id;
+
+       switch (state) {
+       case SCI_BASE_PORT_STATE_STOPPED:
+               return scic_sds_port_clear_phy(sci_port, sci_phy);
+       case SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL:
+               status = scic_sds_port_clear_phy(sci_port, sci_phy);
+               if (status != SCI_SUCCESS)
+                       return status;
+
+               scic_sds_port_deactivate_phy(sci_port, sci_phy, true);
+               sci_port->not_ready_reason = SCIC_PORT_NOT_READY_RECONFIGURING;
+               port_state_machine_change(sci_port,
+                                         SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
+               return SCI_SUCCESS;
+       case SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING:
+               status = scic_sds_port_clear_phy(sci_port, sci_phy);
+
+               if (status != SCI_SUCCESS)
+                       return status;
+               scic_sds_port_deactivate_phy(sci_port, sci_phy, true);
+
+               /* Re-enter the configuring state since this may be the last phy in
+                * the port
+                */
+               port_state_machine_change(sci_port,
+                                         SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING);
+
+               return SCI_SUCCESS;
+       default:
+               dev_warn(sciport_to_dev(sci_port),
+                        "%s: in wrong state: %d\n", __func__, state);
+               return SCI_FAILURE_INVALID_STATE;
+       }
+}
+
 static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] = {
        [SCI_BASE_PORT_STATE_STOPPED] = {
-               .reset_handler          = scic_sds_port_default_reset_handler,
-               .add_phy_handler        = scic_sds_port_stopped_state_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_stopped_state_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_default_link_up_handler,
@@ -2057,9 +1933,6 @@ static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] =
                .complete_io_handler    = scic_sds_port_default_complete_io_handler
        },
        [SCI_BASE_PORT_STATE_STOPPING] = {
-               .reset_handler          = scic_sds_port_default_reset_handler,
-               .add_phy_handler        = scic_sds_port_default_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_default_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_default_link_up_handler,
@@ -2068,9 +1941,6 @@ static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] =
                .complete_io_handler    = scic_sds_port_stopping_state_complete_io_handler
        },
        [SCI_BASE_PORT_STATE_READY] = {
-               .reset_handler          = scic_sds_port_default_reset_handler,
-               .add_phy_handler        = scic_sds_port_default_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_default_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_default_link_up_handler,
@@ -2079,9 +1949,6 @@ static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] =
                .complete_io_handler    = scic_sds_port_general_complete_io_handler
        },
        [SCIC_SDS_PORT_READY_SUBSTATE_WAITING] = {
-               .reset_handler          = scic_sds_port_default_reset_handler,
-               .add_phy_handler        = scic_sds_port_ready_substate_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_default_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_ready_waiting_substate_link_up_handler,
@@ -2090,9 +1957,6 @@ static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] =
                .complete_io_handler    = scic_sds_port_ready_substate_complete_io_handler,
        },
        [SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL] = {
-               .reset_handler          = scic_sds_port_ready_operational_substate_reset_handler,
-               .add_phy_handler        = scic_sds_port_ready_substate_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_ready_substate_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_ready_operational_substate_link_up_handler,
@@ -2101,9 +1965,6 @@ static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] =
                .complete_io_handler    = scic_sds_port_ready_substate_complete_io_handler,
        },
        [SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING] = {
-               .reset_handler          = scic_sds_port_default_reset_handler,
-               .add_phy_handler        = scic_sds_port_ready_configuring_substate_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_ready_configuring_substate_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_default_link_up_handler,
@@ -2112,9 +1973,6 @@ static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] =
                .complete_io_handler    = scic_sds_port_ready_configuring_substate_complete_io_handler
        },
        [SCI_BASE_PORT_STATE_RESETTING] = {
-               .reset_handler          = scic_sds_port_default_reset_handler,
-               .add_phy_handler        = scic_sds_port_default_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_default_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_reset_state_link_up_handler,
@@ -2123,9 +1981,6 @@ static struct scic_sds_port_state_handler scic_sds_port_state_handler_table[] =
                .complete_io_handler    = scic_sds_port_general_complete_io_handler
        },
        [SCI_BASE_PORT_STATE_FAILED] = {
-               .reset_handler          = scic_sds_port_default_reset_handler,
-               .add_phy_handler        = scic_sds_port_default_add_phy_handler,
-               .remove_phy_handler     = scic_sds_port_default_remove_phy_handler,
                .frame_handler          = scic_sds_port_default_frame_handler,
                .event_handler          = scic_sds_port_default_event_handler,
                .link_up_handler        = scic_sds_port_default_link_up_handler,
index 7016371..326279a 100644 (file)
@@ -312,24 +312,6 @@ typedef enum sci_status (*scic_sds_port_io_request_handler_t)(struct scic_sds_po
                                                              struct scic_sds_request *);
 
 struct scic_sds_port_state_handler {
-       /**
-        * The reset_handler specifies the method invoked when a user
-        * attempts to hard reset a port.
-        */
-       scic_sds_port_reset_handler_t reset_handler;
-
-       /**
-        * The add_phy_handler specifies the method invoked when a user
-        * attempts to add another phy into the port.
-        */
-       scic_sds_port_phy_handler_t add_phy_handler;
-
-       /**
-        * The remove_phy_handler specifies the method invoked when a user
-        * attempts to remove a phy from the port.
-        */
-       scic_sds_port_phy_handler_t remove_phy_handler;
-
        scic_sds_port_frame_handler_t frame_handler;
        scic_sds_port_event_handler_t event_handler;
 
@@ -338,7 +320,6 @@ struct scic_sds_port_state_handler {
 
        scic_sds_port_io_request_handler_t start_io_handler;
        scic_sds_port_io_request_handler_t complete_io_handler;
-
 };
 
 /**