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/*-
* 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.
*
* This program is distributed in the hope that it will be useful, but
* 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.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/isci/scil/scif_sas_remote_device_state_handlers.c 231689 2012-02-14 15:58:49Z jimharris $");
/**
* @file
*
* @brief This file contains all of the method implementations pertaining
* to the framework remote device state handler methods.
*/
#include <dev/isci/scil/scic_remote_device.h>
#include <dev/isci/scil/scif_sas_logger.h>
#include <dev/isci/scil/scif_sas_remote_device.h>
#include <dev/isci/scil/scif_sas_domain.h>
#include <dev/isci/scil/scif_sas_task_request.h>
#include <dev/isci/scil/scif_sas_internal_io_request.h>
//******************************************************************************
//* S T O P P E D H A N D L E R S
//******************************************************************************
/**
* @brief This method provides STOPPED state specific handling for
* when the framework attempts to start the remote device. This
* method attempts to transition the state machine into the
* STARTING state. If this is unsuccessful, then there is a direct
* transition into the FAILED state.
*
* @param[in] remote_device This parameter specifies the remote device
* object for which the framework is attempting to start.
*
* @return This method returns an indication as to whether the start
* operating began successfully.
*/
static
SCI_STATUS scif_sas_remote_device_stopped_start_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *)
remote_device;
sci_base_state_machine_change_state(
&fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STARTING
);
// Check to see if the state transition occurred without issue.
if (sci_base_state_machine_get_state(&fw_device->parent.state_machine)
== SCI_BASE_REMOTE_DEVICE_STATE_FAILED)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
"Domain:0x%x Device:0x%x Status:0x%x failed to start\n",
fw_device->domain, fw_device, fw_device->operation_status
));
}
return fw_device->operation_status;
}
/**
* @brief This method provides STOPPED state specific handling for
* when the user attempts to destruct the remote device.
*
* @param[in] remote_device This parameter specifies the remote device
* object for which the framework is attempting to start.
*
* @return This method returns an indication as to whether the destruct
* operation completed successfully.
*/
static
SCI_STATUS scif_sas_remote_device_stopped_destruct_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCI_STATUS status;
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *)
remote_device;
SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols;
scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols);
//For smp device, need to clear its smp phy list first.
if(dev_protocols.u.bits.attached_smp_target)
scif_sas_smp_remote_device_removed(fw_device);
status = scic_remote_device_destruct(fw_device->core_object);
if (status == SCI_SUCCESS)
{
sci_base_state_machine_change_state(
&fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_FINAL
);
scif_sas_remote_device_deinitialize_state_logging(fw_device);
}
else
{
SCIF_LOG_ERROR((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_REMOTE_DEVICE_CONFIG,
"Device:0x%x Status:0x%x failed to destruct core device\n",
fw_device
));
}
return status;
}
//******************************************************************************
//* S T O P P I N G H A N D L E R S
//******************************************************************************
/**
* @brief This method provides STOPPING state specific handling for
* when the core remote device object issues a stop completion
* notification.
*
* @note There is no need to ensure all IO/Task requests are complete
* before transitioning to the STOPPED state. The SCI Core will
* ensure this is accomplished.
*
* @param[in] remote_device This parameter specifies the remote device
* object for which the completion occurred.
* @param[in] completion_status This parameter specifies the status
* of the completion operation.
*
* @return none.
*/
static
void scif_sas_remote_device_stopping_stop_complete_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCI_STATUS completion_status
)
{
// Transition directly to the STOPPED state since the core ensures
// all IO/Tasks are complete.
sci_base_state_machine_change_state(
&fw_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
);
if (completion_status != SCI_SUCCESS)
{
SCIF_LOG_ERROR((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_REMOTE_DEVICE_CONFIG,
"Device:0x%x Status:0x%x failed to stop core device\n",
fw_device, completion_status
));
// Something is seriously wrong. Stopping the core remote device
// shouldn't fail in anyway.
scif_cb_controller_error(fw_device->domain->controller,
SCI_CONTROLLER_REMOTE_DEVICE_ERROR);
}
}
/**
* @brief This method provides STOPPING state handling for high priority
* IO requests, when the framework attempts to complete a high
* priority request.
*
* @param[in] remote_device This parameter specifies the remote device
* object for which to complete the high priority IO.
* @param[in] io_request This parameter specifies the IO request to be
* completed.
* @param[in] response_data This parameter is ignored, since the device
* is in the stopping state.
*
* @return This method always returns success.
*/
static
SCI_STATUS scif_sas_remote_device_stopping_complete_high_priority_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request,
void * response_data,
SCI_IO_STATUS completion_status
)
{
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *)
remote_device;
SCIF_SAS_REQUEST_T * fw_request = (SCIF_SAS_REQUEST_T *) io_request;
SCIF_LOG_TRACE((
sci_base_object_get_logger(remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_IO_REQUEST,
"scif_sas_remote_device_stopping_complete_high_priority_io_handler(0x%x,0x%x,0x%x) enter\n",
remote_device, io_request, response_data
));
fw_device->request_count--;
if (fw_request->is_internal == TRUE)
{
scif_sas_internal_io_request_complete(
fw_device->domain->controller,
(SCIF_SAS_INTERNAL_IO_REQUEST_T *) io_request,
SCI_SUCCESS
);
}
return SCI_SUCCESS;
}
//******************************************************************************
//* F A I L E D H A N D L E R S
//******************************************************************************
/**
* @brief This method provides FAILED state specific handling for
* when the remote device is being stopped by the framework.
*
* @param[in] remote_device This parameter specifies the remote device
* object for which the stop operation is being requested.
*
* @return This method returns an indication as to whether the failure
* operation completed successfully.
*/
static
SCI_STATUS scif_sas_remote_device_failed_stop_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *)
remote_device;
SCIF_LOG_WARNING((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x stopping failed device\n",
fw_device
));
sci_base_state_machine_change_state(
&fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
/// @todo Fix the return code handling.
return SCI_FAILURE;
}
//******************************************************************************
//* D E F A U L T H A N D L E R S
//******************************************************************************
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to start a remote device and a start operation
* is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device object
* on which the user is attempting to perform a start operation.
*
* @return This method returns an indication that start operations are not
* allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_start_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_REMOTE_DEVICE_CONFIG,
"RemoteDevice:0x%x State:0x%x invalid state to start\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to stop a remote device and a stop operation
* is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device object
* on which the user is attempting to perform a stop operation.
*
* @return This method returns an indication that stop operations are not
* allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_stop_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to stop\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when there is an attempt to fail a remote device from an invalid
* state.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which there is an attempt to fail the device.
*
* @return This method returns an indication that the fail transition is not
* allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
static
SCI_STATUS scif_sas_remote_device_default_fail_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to fail device\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when there is an attempt to destruct a remote device from an
* invalid state.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which there is an attempt to fail the device.
*
* @return This method returns an indication that the fail transition is not
* allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_destruct_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to destruct.\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when there is an attempt to reset a remote device from an invalid
* state.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which there is an attempt to fail the device.
*
* @return This method returns an indication that the fail transition is not
* allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_reset_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to reset.\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when there is an attempt to complete a reset to the remote device
* from an invalid state.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which there is an attempt to fail the device.
*
* @return This method returns an indication that the fail transition is not
* allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_reset_complete_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to complete reset.\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to start an IO on a remote device and a start
* IO operation is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which the user is attempting to perform a start IO
* operation.
* @param[in] io_request This parameter specifies the IO request to be
* started.
*
* @return This method returns an indication that start IO operations
* are not allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_start_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to start IO.\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to complete an IO on a remote device and a
* complete IO operation is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which the user is attempting to perform a complete
* IO operation.
* @param[in] io_request This parameter specifies the IO request to be
* completed.
*
* @return This method returns an indication that complete IO operations
* are not allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_complete_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to complete IO\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to complete an IO on a remote device and a
* complete IO operation is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which the user is attempting to perform a start IO
* operation.
* @param[in] io_request This parameter specifies the IO request to be
* started.
*
* @return This method returns an indication that complete IO operations
* are not allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_complete_high_priority_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request,
void * response_data,
SCI_IO_STATUS completion_status
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to complete high priority IO\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to continue an IO on a remote device and a
* continue IO operation is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which the user is attempting to perform a start IO
* operation.
* @param[in] io_request This parameter specifies the IO request to be
* started.
*
* @return This method returns an indication that continue IO operations
* are not allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_continue_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to continue IO\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to start a task on a remote device and a
* start task operation is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device
* object on which the user is attempting to perform a start
* task operation.
* @param[in] task_request This parameter specifies the task management
* request to be started.
*
* @return This method returns an indication that start task operations
* are not allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_start_task_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * task_request
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_TASK_MANAGEMENT,
"RemoteDevice:0x%x State:0x%x invalid state to start task\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* when a user attempts to complete a task on a remote device and a
* complete task operation is not allowed.
*
* @param[in] remote_device This parameter specifies the remote device object
* on which the user is attempting to perform a complete task
* operation.
* @param[in] task_request This parameter specifies the task management
* request to be completed.
*
* @return This method returns an indication that complete task operations
* are not allowed.
* @retval SCI_FAILURE_INVALID_STATE This value is always returned.
*/
SCI_STATUS scif_sas_remote_device_default_complete_task_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * task_request
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_TASK_MANAGEMENT,
"RemoteDevice:0x%x State:0x%x invalid state to complete task\n",
remote_device,
sci_base_state_machine_get_state(
&((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* @brief This method provides default handling (i.e. returns an error);
* for when the core issues a start completion notification and
* such a notification isn't supported.
*
* @param[in] remote_device This parameter specifies the remote device object
* for which the completion notification has occured.
* @param[in] completion_status This parameter specifies the status
* of the completion operation.
*
* @return none.
*/
void scif_sas_remote_device_default_start_complete_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCI_STATUS completion_status
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to start complete\n",
fw_device,
sci_base_state_machine_get_state(&fw_device->parent.state_machine)
));
}
/**
* @brief This method provides default handling (i.e. returns an error);
* for when the core issues a stop completion notification and
* such a notification isn't supported.
*
* @param[in] remote_device This parameter specifies the remote device object
* for which the completion notification has occured.
* @param[in] completion_status This parameter specifies the status
* of the completion operation.
*
* @return none.
*/
void scif_sas_remote_device_default_stop_complete_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCI_STATUS completion_status
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to stop complete\n",
fw_device,
sci_base_state_machine_get_state(&fw_device->parent.state_machine)
));
}
/**
* @brief This method provides default handling (i.e. returns an error);
* for when the core issues a ready notification and such a
* notification isn't supported.
*
* @param[in] remote_device This parameter specifies the remote device object
* for which the notification has occured.
*
* @return none.
*/
void scif_sas_remote_device_default_ready_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to handle ready\n",
fw_device,
sci_base_state_machine_get_state(&fw_device->parent.state_machine)
));
}
/**
* @brief This method provides default handling (i.e. returns an error);
* for when the core issues a not ready notification and such a
* notification isn't supported.
*
* @param[in] remote_device This parameter specifies the remote device object
* for which the notification has occured.
*
* @return none.
*/
void scif_sas_remote_device_default_not_ready_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
U32 reason_code
)
{
SCIF_LOG_WARNING((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x State:0x%x invalid state to handle not ready\n",
fw_device,
sci_base_state_machine_get_state(&fw_device->parent.state_machine)
));
}
#if !defined(DISABLE_WIDE_PORTED_TARGETS)
/**
* @brief This method provides handling of device start complete duing
* UPDATING_PORT_WIDTH state.
*
* @param[in] remote_device This parameter specifies the remote device object
* which is start complete.
*
* @return none.
*/
static
SCI_STATUS scif_sas_remote_device_updating_port_width_state_complete_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
)
{
SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*)
remote_device;
fw_device->request_count--;
//If the request count is zero, go ahead to update the RNC.
if (fw_device->request_count == 0 )
{
if (fw_device->destination_state == SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING)
{
//if the destination state of this device change to STOPPING, no matter
//whether we need to update the port width, just make the device
//go to the STOPPING state, the device will be removed anyway.
sci_base_state_machine_change_state(
&fw_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
}
else
{
//stop the device, upon the stop complete callback, start the device again
//with the updated port width.
scic_remote_device_stop(
fw_device->core_object, SCIF_SAS_REMOTE_DEVICE_CORE_OP_TIMEOUT);
}
}
return SCI_SUCCESS;
}
/**
* @brief This method provides handling of device start complete duing
* UPDATING_PORT_WIDTH state.
*
* @param[in] remote_device This parameter specifies the remote device object
* which is start complete.
*
* @return none.
*/
static
void scif_sas_remote_device_updating_port_width_state_start_complete_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCI_STATUS completion_status
)
{
SCIF_LOG_INFO((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x updating port width state start complete handler\n",
fw_device,
sci_base_state_machine_get_state(&fw_device->parent.state_machine)
));
if ( fw_device->destination_state
== SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING )
{
//if the destination state of this device change to STOPPING, no matter
//whether we need to update the port width again, just make the device
//go to the STOPPING state.
sci_base_state_machine_change_state(
&fw_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
}
else if ( scic_remote_device_get_port_width(fw_device->core_object)
!= fw_device->device_port_width
&& fw_device->device_port_width != 0)
{
scic_remote_device_stop(
fw_device->core_object,
SCIF_SAS_REMOTE_DEVICE_CORE_OP_TIMEOUT
);
}
else
{
//Port width updating succeeds. Transfer to destination state.
sci_base_state_machine_change_state(
&fw_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_READY
);
}
}
/**
* @brief This method provides handling of device stop complete duing
* UPDATING_PORT_WIDTH state.
*
* @param[in] remote_device This parameter specifies the remote device object
* which is stop complete.
*
* @return none.
*/
static
void scif_sas_remote_device_updating_port_width_state_stop_complete_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCI_STATUS completion_status
)
{
SCIF_LOG_INFO((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x updating port width state stop complete handler\n",
fw_device,
sci_base_state_machine_get_state(&fw_device->parent.state_machine)
));
if ( fw_device->destination_state
== SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING )
{
//Device directly transits to STOPPED STATE from UPDATING_PORT_WIDTH state,
fw_device->domain->device_start_count--;
//if the destination state of this device change to STOPPING, no matter
//whether we need to update the port width again, just make the device
//go to the STOPPED state.
sci_base_state_machine_change_state(
&fw_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
);
}
else
{
scic_remote_device_set_port_width(
fw_device->core_object,
fw_device->device_port_width
);
//Device stop complete, means the RNC has been destructed. Now we need to
//start core device so the RNC with updated port width will be posted.
scic_remote_device_start(
fw_device->core_object, SCIF_SAS_REMOTE_DEVICE_CORE_OP_TIMEOUT);
}
}
/**
* @brief This method provides handling (i.e. returns an error);
* when a user attempts to stop a remote device during the updating
* port width state, it will record the destination state for this
* device to be STOPPING, instead of usually READY state.
*
* @param[in] remote_device This parameter specifies the remote device object
* on which the user is attempting to perform a stop operation.
*
* @return This method always return SCI_SUCCESS.
*/
static
SCI_STATUS scif_sas_remote_device_updating_port_width_state_stop_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
)
{
SCIF_SAS_REMOTE_DEVICE_T * fw_device =
(SCIF_SAS_REMOTE_DEVICE_T *)remote_device;
SCIF_LOG_INFO((
sci_base_object_get_logger(fw_device),
SCIF_LOG_OBJECT_REMOTE_DEVICE,
"RemoteDevice:0x%x updating port width state stop handler\n",
fw_device,
sci_base_state_machine_get_state(&fw_device->parent.state_machine)
));
//Can't stop the device right now. Remember the pending stopping request.
//When exit the UPDATING_PORT_WIDTH state, we will check this variable
//to decide which state to go.
fw_device->destination_state =
SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING;
return SCI_SUCCESS;
}
#endif //#if !defined(DISABLE_WIDE_PORTED_TARGETS)
#define scif_sas_remote_device_stopping_complete_io_handler \
scif_sas_remote_device_ready_operational_complete_io_handler
#define scif_sas_remote_device_stopping_complete_task_handler \
scif_sas_remote_device_ready_operational_complete_task_handler
SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER_T
scif_sas_remote_device_state_handler_table[SCI_BASE_REMOTE_DEVICE_MAX_STATES] =
{
// SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_default_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_default_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
{
{
scif_sas_remote_device_stopped_start_handler,
scif_sas_remote_device_default_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_stopped_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_default_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_STARTING
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_default_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_default_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_READY - see substate handlers
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_default_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_default_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_default_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_stopping_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_stopping_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_stopping_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_stopping_complete_high_priority_io_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_FAILED
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_failed_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_default_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_RESETTING - is unused by framework
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_default_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_default_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
},
#if !defined(DISABLE_WIDE_PORTED_TARGETS)
// SCI_BASE_REMOTE_DEVICE_STATE_UPDATING_PORT_WIDTH
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_updating_port_width_state_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_updating_port_width_state_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_updating_port_width_state_start_complete_handler,
scif_sas_remote_device_updating_port_width_state_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
},
#endif
// SCI_BASE_REMOTE_DEVICE_STATE_FINAL
{
{
scif_sas_remote_device_default_start_handler,
scif_sas_remote_device_default_stop_handler,
scif_sas_remote_device_default_fail_handler,
scif_sas_remote_device_default_destruct_handler,
scif_sas_remote_device_default_reset_handler,
scif_sas_remote_device_default_reset_complete_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_io_handler,
scif_sas_remote_device_default_continue_io_handler,
scif_sas_remote_device_default_start_task_handler,
scif_sas_remote_device_default_complete_task_handler
},
scif_sas_remote_device_default_start_complete_handler,
scif_sas_remote_device_default_stop_complete_handler,
scif_sas_remote_device_default_ready_handler,
scif_sas_remote_device_default_not_ready_handler,
scif_sas_remote_device_default_start_io_handler,
scif_sas_remote_device_default_complete_high_priority_io_handler
}
};