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| Current File : //sys/dev/isci/scil/scic_sds_remote_device.c |
/*-
* 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/scic_sds_remote_device.c 231689 2012-02-14 15:58:49Z jimharris $");
/**
* @file
*
* @brief This file contains the implementation of remote device, it's
* methods and state machine.
*/
#include <dev/isci/scil/intel_sas.h>
#include <dev/isci/scil/sci_util.h>
#include <dev/isci/scil/scic_port.h>
#include <dev/isci/scil/scic_phy.h>
#include <dev/isci/scil/scic_remote_device.h>
#include <dev/isci/scil/scic_sds_port.h>
#include <dev/isci/scil/scic_sds_phy.h>
#include <dev/isci/scil/scic_sds_remote_device.h>
#include <dev/isci/scil/scic_sds_request.h>
#include <dev/isci/scil/scic_sds_controller.h>
#include <dev/isci/scil/scic_sds_logger.h>
#include <dev/isci/scil/scic_user_callback.h>
#include <dev/isci/scil/scic_controller.h>
#include <dev/isci/scil/scic_sds_logger.h>
#include <dev/isci/scil/scic_sds_remote_node_context.h>
#include <dev/isci/scil/scu_event_codes.h>
#define SCIC_SDS_REMOTE_DEVICE_RESET_TIMEOUT (1000)
//*****************************************************************************
//* CORE REMOTE DEVICE PUBLIC METHODS
//*****************************************************************************
U32 scic_remote_device_get_object_size(void)
{
return sizeof(SCIC_SDS_REMOTE_DEVICE_T)
+ sizeof(SCIC_SDS_REMOTE_NODE_CONTEXT_T);
}
// ---------------------------------------------------------------------------
void scic_remote_device_construct(
SCI_PORT_HANDLE_T port,
void * remote_device_memory,
SCI_REMOTE_DEVICE_HANDLE_T * new_remote_device_handle
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T*)
remote_device_memory;
SCIC_SDS_PORT_T *the_port = (SCIC_SDS_PORT_T*) port;
SCIC_LOG_TRACE((
sci_base_object_get_logger(the_port),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_construct(0x%x, 0x%x, 0x%x) enter\n",
port, remote_device_memory, new_remote_device_handle
));
memset(remote_device_memory, 0, sizeof(SCIC_SDS_REMOTE_DEVICE_T));
*new_remote_device_handle = this_device;
this_device->owning_port = the_port;
this_device->started_request_count = 0;
this_device->rnc = (SCIC_SDS_REMOTE_NODE_CONTEXT_T *)
((char *)this_device + sizeof(SCIC_SDS_REMOTE_DEVICE_T));
sci_base_remote_device_construct(
&this_device->parent,
sci_base_object_get_logger(the_port),
scic_sds_remote_device_state_table
);
scic_sds_remote_node_context_construct(
this_device,
this_device->rnc,
SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
);
sci_object_set_association(this_device->rnc, this_device);
scic_sds_remote_device_initialize_state_logging(this_device);
}
// ---------------------------------------------------------------------------
SCI_STATUS scic_remote_device_da_construct(
SCI_REMOTE_DEVICE_HANDLE_T remote_device
)
{
SCI_STATUS status;
U16 remote_node_index;
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T*)
remote_device;
SCI_SAS_IDENTIFY_ADDRESS_FRAME_PROTOCOLS_T protocols;
SCIC_PORT_PROPERTIES_T properties;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device->owning_port),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_da_construct(0x%x) enter\n",
remote_device
));
// This information is request to determine how many remote node context
// entries will be needed to store the remote node.
scic_sds_port_get_attached_protocols(this_device->owning_port,&protocols);
this_device->target_protocols.u.all = protocols.u.all;
this_device->is_direct_attached = TRUE;
#if !defined(DISABLE_ATAPI)
this_device->is_atapi = scic_sds_remote_device_is_atapi(this_device);
#endif
scic_port_get_properties(this_device->owning_port, &properties);
//Get accurate port width from port's phy mask for a DA device.
SCI_GET_BITS_SET_COUNT(properties.phy_mask, this_device->device_port_width);
status = scic_sds_controller_allocate_remote_node_context(
this_device->owning_port->owning_controller,
this_device,
&remote_node_index
);
if (status == SCI_SUCCESS)
{
scic_sds_remote_node_context_set_remote_node_index(
this_device->rnc, remote_node_index
);
scic_sds_port_get_attached_sas_address(
this_device->owning_port, &this_device->device_address
);
if (this_device->target_protocols.u.bits.attached_ssp_target)
{
this_device->has_ready_substate_machine = FALSE;
}
else if (this_device->target_protocols.u.bits.attached_stp_target)
{
this_device->has_ready_substate_machine = TRUE;
sci_base_state_machine_construct(
&this_device->ready_substate_machine,
&this_device->parent.parent,
scic_sds_stp_remote_device_ready_substate_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
}
else if (this_device->target_protocols.u.bits.attached_smp_target)
{
this_device->has_ready_substate_machine = TRUE;
//add the SMP ready substate machine construction here
sci_base_state_machine_construct(
&this_device->ready_substate_machine,
&this_device->parent.parent,
scic_sds_smp_remote_device_ready_substate_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
}
this_device->connection_rate = scic_sds_port_get_max_allowed_speed(
this_device->owning_port
);
/// @todo Should I assign the port width by reading all of the phys on the port?
this_device->device_port_width = 1;
}
return status;
}
// ---------------------------------------------------------------------------
void scic_sds_remote_device_get_info_from_smp_discover_response(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
SMP_RESPONSE_DISCOVER_T * discover_response
)
{
// decode discover_response to set sas_address to this_device.
this_device->device_address.high =
discover_response->attached_sas_address.high;
this_device->device_address.low =
discover_response->attached_sas_address.low;
this_device->target_protocols.u.all = discover_response->protocols.u.all;
}
// ---------------------------------------------------------------------------
SCI_STATUS scic_remote_device_ea_construct(
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
SMP_RESPONSE_DISCOVER_T * discover_response
)
{
SCI_STATUS status;
SCIC_SDS_REMOTE_DEVICE_T *this_device;
SCIC_SDS_CONTROLLER_T *the_controller;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device->owning_port),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_ea_sas_construct0x%x, 0x%x) enter\n",
remote_device, discover_response
));
the_controller = scic_sds_port_get_controller(this_device->owning_port);
scic_sds_remote_device_get_info_from_smp_discover_response(
this_device, discover_response
);
status = scic_sds_controller_allocate_remote_node_context(
the_controller,
this_device,
&this_device->rnc->remote_node_index
);
if (status == SCI_SUCCESS)
{
if (this_device->target_protocols.u.bits.attached_ssp_target)
{
this_device->has_ready_substate_machine = FALSE;
}
else if (this_device->target_protocols.u.bits.attached_smp_target)
{
this_device->has_ready_substate_machine = TRUE;
//add the SMP ready substate machine construction here
sci_base_state_machine_construct(
&this_device->ready_substate_machine,
&this_device->parent.parent,
scic_sds_smp_remote_device_ready_substate_table,
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
}
else if (this_device->target_protocols.u.bits.attached_stp_target)
{
this_device->has_ready_substate_machine = TRUE;
sci_base_state_machine_construct(
&this_device->ready_substate_machine,
&this_device->parent.parent,
scic_sds_stp_remote_device_ready_substate_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
}
// For SAS-2 the physical link rate is actually a logical link
// rate that incorporates multiplexing. The SCU doesn't
// incorporate multiplexing and for the purposes of the
// connection the logical link rate is that same as the
// physical. Furthermore, the SAS-2 and SAS-1.1 fields overlay
// one another, so this code works for both situations.
this_device->connection_rate = MIN(
scic_sds_port_get_max_allowed_speed( this_device->owning_port),
discover_response->u2.sas1_1.negotiated_physical_link_rate
);
/// @todo Should I assign the port width by reading all of the phys on the port?
this_device->device_port_width = 1;
}
return status;
}
// ---------------------------------------------------------------------------
SCI_STATUS scic_remote_device_destruct(
SCI_REMOTE_DEVICE_HANDLE_T remote_device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_destruct(0x%x) enter\n",
remote_device
));
return this_device->state_handlers->parent.destruct_handler(&this_device->parent);
}
// ---------------------------------------------------------------------------
#if !defined(DISABLE_WIDE_PORTED_TARGETS)
SCI_STATUS scic_remote_device_set_port_width(
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
U8 new_port_width
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_set_port_width(0x%x, 0x%x) enter\n",
remote_device, new_port_width
));
if(new_port_width != 0)
{
this_device->device_port_width = new_port_width;
return SCI_SUCCESS;
}
else
return SCI_FAILURE;
}
// ---------------------------------------------------------------------------
U8 scic_remote_device_get_port_width(
SCI_REMOTE_DEVICE_HANDLE_T remote_device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_get_port_width(0x%x) enter\n",
remote_device
));
return (U8)this_device->device_port_width;
}
#endif // !defined(DISABLE_WIDE_PORTED_TARGETS)
// ---------------------------------------------------------------------------
SCI_STATUS scic_remote_device_start(
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
U32 timeout
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_start(0x%x, 0x%x) enter\n",
remote_device, timeout
));
return this_device->state_handlers->parent.start_handler(&this_device->parent);
}
// ---------------------------------------------------------------------------
SCI_STATUS scic_remote_device_stop(
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
U32 timeout
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_stop(0x%x, 0x%x) enter\n",
remote_device, timeout
));
return this_device->state_handlers->parent.stop_handler(&this_device->parent);
}
/**
* This method invokes the remote device reset handler.
*
* @param[in] this_device The remote device for which the reset is being
* requested.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_remote_device_reset(
SCI_REMOTE_DEVICE_HANDLE_T remote_device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_reset(0x%x) enter\n",
remote_device
));
return this_device->state_handlers->parent.reset_handler(&this_device->parent);
}
/**
* This method invokes the remote device reset handler.
*
* @param[in] this_device The remote device for which the reset is being
* requested.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_remote_device_reset_complete(
SCI_REMOTE_DEVICE_HANDLE_T remote_device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_reset_complete(0x%x) enter\n",
remote_device
));
return this_device->state_handlers->parent.reset_complete_handler(&this_device->parent);
}
/**
* This method invokes the remote device reset handler.
*
* @param[in] this_device The remote device for which the reset is being
* requested.
*
* @return SCI_STATUS
*/
U32 scic_remote_device_get_suggested_reset_timeout(
SCI_REMOTE_DEVICE_HANDLE_T remote_device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_get_suggested_reset_timeout(0x%x) enter\n",
remote_device
));
if (this_device->target_protocols.u.bits.attached_stp_target)
{
return SCIC_SDS_SIGNATURE_FIS_TIMEOUT;
}
return SCIC_SDS_REMOTE_DEVICE_RESET_TIMEOUT;
}
// ---------------------------------------------------------------------------
SCI_STATUS scic_remote_device_set_max_connection_rate(
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
SCI_SAS_LINK_RATE connection_rate
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_set_max_connection_rate(0x%x, 0x%x) enter\n",
remote_device, connection_rate
));
this_device->connection_rate = connection_rate;
return SCI_SUCCESS;
}
// ---------------------------------------------------------------------------
SCI_SAS_LINK_RATE scic_remote_device_get_connection_rate(
SCI_REMOTE_DEVICE_HANDLE_T remote_device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_get_connection_rate(0x%x) enter\n",
remote_device
));
return this_device->connection_rate;
}
// ---------------------------------------------------------------------------
void scic_remote_device_get_protocols(
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
SMP_DISCOVER_RESPONSE_PROTOCOLS_T * protocols
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)
remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_get_protocols(0x%x) enter\n",
remote_device
));
protocols->u.all = this_device->target_protocols.u.all;
}
// ---------------------------------------------------------------------------
void scic_remote_device_get_sas_address(
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
SCI_SAS_ADDRESS_T * sas_address
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)remote_device;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET,
"scic_remote_device_get_sas_address(0x%x, 0x%x) enter\n",
remote_device, sas_address
));
sas_address->low = this_device->device_address.low;
sas_address->high = this_device->device_address.high;
}
// ---------------------------------------------------------------------------
#if !defined(DISABLE_ATAPI)
BOOL scic_remote_device_is_atapi(
SCI_REMOTE_DEVICE_HANDLE_T device_handle
)
{
return ((SCIC_SDS_REMOTE_DEVICE_T *)device_handle)->is_atapi;
}
#endif
//*****************************************************************************
//* SCU DRIVER STANDARD (SDS) REMOTE DEVICE IMPLEMENTATIONS
//*****************************************************************************
/**
* Remote device timer requirements
*/
#define SCIC_SDS_REMOTE_DEVICE_MINIMUM_TIMER_COUNT (0)
#define SCIC_SDS_REMOTE_DEVICE_MAXIMUM_TIMER_COUNT (SCI_MAX_REMOTE_DEVICES)
/**
* @brief This method returns the minimum number of timers required for all
* remote devices.
*
* @return U32
*/
U32 scic_sds_remote_device_get_min_timer_count(void)
{
return SCIC_SDS_REMOTE_DEVICE_MINIMUM_TIMER_COUNT;
}
/**
* @brief This method returns the maximum number of timers requried for all
* remote devices.
*
* @return U32
*/
U32 scic_sds_remote_device_get_max_timer_count(void)
{
return SCIC_SDS_REMOTE_DEVICE_MAXIMUM_TIMER_COUNT;
}
// ---------------------------------------------------------------------------
#ifdef SCI_LOGGING
/**
* This method will enable and turn on state transition logging for the remote
* device object.
*
* @param[in] this_device The device for which state transition logging is to
* be enabled.
*
* @return Nothing
*/
void scic_sds_remote_device_initialize_state_logging(
SCIC_SDS_REMOTE_DEVICE_T *this_device
)
{
sci_base_state_machine_logger_initialize(
&this_device->parent.state_machine_logger,
&this_device->parent.state_machine,
&this_device->parent.parent,
scic_cb_logger_log_states,
"SCIC_SDS_REMOTE_DEVICE_T", "base state machine",
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET
);
if (this_device->has_ready_substate_machine)
{
sci_base_state_machine_logger_initialize(
&this_device->ready_substate_machine_logger,
&this_device->ready_substate_machine,
&this_device->parent.parent,
scic_cb_logger_log_states,
"SCIC_SDS_REMOTE_DEVICE_T", "ready substate machine",
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET
);
}
}
/**
* This method will stop the state machine logging for this object and should
* be called before the object is destroyed.
*
* @param[in] this_device The device on which to stop logging state
* transitions.
*
* @return Nothing
*/
void scic_sds_remote_device_deinitialize_state_logging(
SCIC_SDS_REMOTE_DEVICE_T *this_device
)
{
sci_base_state_machine_logger_deinitialize(
&this_device->parent.state_machine_logger,
&this_device->parent.state_machine
);
if (this_device->has_ready_substate_machine)
{
sci_base_state_machine_logger_deinitialize(
&this_device->ready_substate_machine_logger,
&this_device->ready_substate_machine
);
}
}
#endif
/**
* This method invokes the remote device suspend state handler.
*
* @param[in] this_device The remote device for which the suspend is being
* requested.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_suspend(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 suspend_type
)
{
return this_device->state_handlers->suspend_handler(this_device, suspend_type);
}
/**
* This method invokes the remote device resume state handler.
*
* @param[in] this_device The remote device for which the resume is being
* requested.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_resume(
SCIC_SDS_REMOTE_DEVICE_T *this_device
)
{
return this_device->state_handlers->resume_handler(this_device);
}
/**
* This method invokes the frame handler for the remote device state machine
*
* @param[in] this_device The remote device for which the event handling is
* being requested.
* @param[in] frame_index This is the frame index that is being processed.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_frame_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 frame_index
)
{
return this_device->state_handlers->frame_handler(this_device, frame_index);
}
/**
* This method invokes the remote device event handler.
*
* @param[in] this_device The remote device for which the event handling is
* being requested.
* @param[in] event_code This is the event code that is to be processed.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_event_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 event_code
)
{
return this_device->state_handlers->event_handler(this_device, event_code);
}
/**
* This method invokes the remote device start io handler.
*
* @param[in] controller The controller that is starting the io request.
* @param[in] this_device The remote device for which the start io handling is
* being requested.
* @param[in] io_request The io request that is being started.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_start_io(
SCIC_SDS_CONTROLLER_T *controller,
SCIC_SDS_REMOTE_DEVICE_T *this_device,
SCIC_SDS_REQUEST_T *io_request
)
{
return this_device->state_handlers->parent.start_io_handler(
&this_device->parent, &io_request->parent);
}
/**
* This method invokes the remote device complete io handler.
*
* @param[in] controller The controller that is completing the io request.
* @param[in] this_device The remote device for which the complete io handling
* is being requested.
* @param[in] io_request The io request that is being completed.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_complete_io(
SCIC_SDS_CONTROLLER_T *controller,
SCIC_SDS_REMOTE_DEVICE_T *this_device,
SCIC_SDS_REQUEST_T *io_request
)
{
return this_device->state_handlers->parent.complete_io_handler(
&this_device->parent, &io_request->parent);
}
/**
* This method invokes the remote device start task handler.
*
* @param[in] controller The controller that is starting the task request.
* @param[in] this_device The remote device for which the start task handling
* is being requested.
* @param[in] io_request The task request that is being started.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_start_task(
SCIC_SDS_CONTROLLER_T *controller,
SCIC_SDS_REMOTE_DEVICE_T *this_device,
SCIC_SDS_REQUEST_T *io_request
)
{
return this_device->state_handlers->parent.start_task_handler(
&this_device->parent, &io_request->parent);
}
/**
* This method takes the request and bulids an appropriate SCU context for the
* request and then requests the controller to post the request.
*
* @param[in] this_device
* @param[in] request
*
* @return none
*/
void scic_sds_remote_device_post_request(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 request
)
{
U32 context;
context = scic_sds_remote_device_build_command_context(this_device, request);
scic_sds_controller_post_request(
scic_sds_remote_device_get_controller(this_device),
context
);
}
#if !defined(DISABLE_ATAPI)
/**
* This method check the signature fis of a stp device to decide whether
* a device is atapi or not.
*
* @param[in] this_device The device to be checked.
*
* @return TRUE if a device is atapi device. False if a device is not atapi.
*/
BOOL scic_sds_remote_device_is_atapi(
SCIC_SDS_REMOTE_DEVICE_T * this_device
)
{
if (!this_device->target_protocols.u.bits.attached_stp_target)
return FALSE;
else if (this_device->is_direct_attached)
{
SCIC_SDS_PHY_T * phy;
SCIC_SATA_PHY_PROPERTIES_T properties;
SATA_FIS_REG_D2H_T * signature_fis;
phy = scic_sds_port_get_a_connected_phy(this_device->owning_port);
scic_sata_phy_get_properties(phy, &properties);
//decode the signature fis.
signature_fis = &(properties.signature_fis);
if ( (signature_fis->sector_count == 0x01)
&& (signature_fis->lba_low == 0x01)
&& (signature_fis->lba_mid == 0x14)
&& (signature_fis->lba_high == 0xEB)
&& ( (signature_fis->device & 0x5F) == 0x00)
)
{
// An ATA device supporting the PACKET command set.
return TRUE;
}
else
return FALSE;
}
else
{
//Expander supported ATAPI device is not currently supported.
return FALSE;
}
}
#endif // !defined(DISABLE_ATAPI)
//******************************************************************************
//* REMOTE DEVICE STATE MACHINE
//******************************************************************************
/**
* This method is called once the remote node context is ready to be
* freed. The remote device can now report that its stop operation is
* complete.
*
* @param[in] user_parameter This is cast to a remote device object.
*
* @return none
*/
static
void scic_sds_cb_remote_device_rnc_destruct_complete(
void * user_parameter
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)user_parameter;
ASSERT(this_device->started_request_count == 0);
sci_base_state_machine_change_state(
scic_sds_remote_device_get_base_state_machine(this_device),
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
);
}
/**
* This method is called once the remote node context has transisitioned to a
* ready state. This is the indication that the remote device object can also
* transition to ready.
*
* @param[in] user_parameter This is cast to a remote device object.
*
* @return none
*/
static
void scic_sds_remote_device_resume_complete_handler(
void * user_parameter
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)user_parameter;
if (
sci_base_state_machine_get_state(&this_device->parent.state_machine)
!= SCI_BASE_REMOTE_DEVICE_STATE_READY
)
{
sci_base_state_machine_change_state(
&this_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_READY
);
}
}
/**
* This method will perform the STP request start processing common
* to IO requests and task requests of all types.
*
* @param[in] device This parameter specifies the device for which the
* request is being started.
* @param[in] request This parameter specifies the request being started.
* @param[in] status This parameter specifies the current start operation
* status.
*
* @return none
*/
void scic_sds_remote_device_start_request(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
SCIC_SDS_REQUEST_T * the_request,
SCI_STATUS status
)
{
// We still have a fault in starting the io complete it on the port
if (status == SCI_SUCCESS)
scic_sds_remote_device_increment_request_count(this_device);
else
{
this_device->owning_port->state_handlers->complete_io_handler(
this_device->owning_port, this_device, the_request
);
}
}
/**
* This method will continue to post tc for a STP request. This method usually
* serves as a callback when RNC gets resumed during a task management sequence.
*
* @param[in] request This parameter specifies the request being continued.
*
* @return none
*/
void scic_sds_remote_device_continue_request(
SCIC_SDS_REMOTE_DEVICE_T * this_device
)
{
// we need to check if this request is still valid to continue.
if (this_device->working_request != NULL)
{
SCIC_SDS_REQUEST_T * this_request = this_device->working_request;
this_request->owning_controller->state_handlers->parent.continue_io_handler(
&this_request->owning_controller->parent,
&this_request->target_device->parent,
&this_request->parent
);
}
}
/**
* @brief This method will terminate all of the IO requests in the
* controllers IO request table that were targeted for this
* device.
*
* @param[in] this_device This parameter specifies the remote device
* for which to attempt to terminate all requests.
*
* @return This method returns an indication as to whether all requests
* were successfully terminated. If a single request fails to
* be terminated, then this method will return the failure.
*/
static
SCI_STATUS scic_sds_remote_device_terminate_requests(
SCIC_SDS_REMOTE_DEVICE_T *this_device
)
{
return scic_sds_terminate_reqests(
this_device->owning_port->owning_controller,
this_device,
NULL);
}
//*****************************************************************************
//* DEFAULT STATE HANDLERS
//*****************************************************************************
/**
* This method is the default start handler. It logs a warning and returns a
* failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_start_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to start while in wrong state %d\n",
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default stop handler. It logs a warning and returns a
* failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_stop_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to stop while in wrong state %d\n",
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default fail handler. It logs a warning and returns a
* failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_fail_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to fail while in wrong state %d\n",
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default destruct handler. It logs a warning and returns
* a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_destruct_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to destroy while in wrong state %d\n",
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default reset handler. It logs a warning and returns a
* failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_reset_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to reset while in wrong state %d\n",
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default reset complete handler. It logs a warning and
* returns a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_reset_complete_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to complete reset while in wrong state %d\n",
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default suspend handler. It logs a warning and returns
* a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_suspend_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 suspend_type
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device 0x%x requested to suspend %d while in wrong state %d\n",
this_device, suspend_type,
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine(this_device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default resume handler. It logs a warning and returns a
* failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_resume_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to resume while in wrong state %d\n",
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine(this_device))
));
return SCI_FAILURE_INVALID_STATE;
}
#if defined(SCI_LOGGING)
/**
* This is a private method for emitting log messages related to events reported
* to the remote device from the controller object.
*
* @param [in] this_device This is the device object that is receiving the
* event.
* @param [in] event_code The event code to process.
*
* @return None
*/
static void scic_sds_emit_event_log_message(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 event_code,
char * message_guts,
BOOL ready_state
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote device 0x%x (state %d) received %s %x while in the %sready %s%d\n",
this_device,
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine(this_device)),
message_guts, event_code,
(ready_state)
? ""
: "not ",
(this_device->has_ready_substate_machine)
? "substate "
: "",
(this_device->has_ready_substate_machine)
? sci_base_state_machine_get_state(&this_device->ready_substate_machine)
: 0
));
}
#else // defined(SCI_LOGGING)
#define scic_sds_emit_event_log_message(device, event_code, message, state)
#endif // defined(SCI_LOGGING)
/**
* This method is the default event handler. It will call the RNC state
* machine handler for any RNC events otherwise it will log a warning and
* returns a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
* @param[in] event_code The event code that the SCIC_SDS_CONTROLLER wants the
* device object to process.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
static
SCI_STATUS scic_sds_remote_device_core_event_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 event_code,
BOOL is_ready_state
)
{
SCI_STATUS status;
switch (scu_get_event_type(event_code))
{
case SCU_EVENT_TYPE_RNC_OPS_MISC:
case SCU_EVENT_TYPE_RNC_SUSPEND_TX:
case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX:
status = scic_sds_remote_node_context_event_handler(this_device->rnc, event_code);
break;
case SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT:
if( scu_get_event_code(event_code) == SCU_EVENT_IT_NEXUS_TIMEOUT )
{
status = SCI_SUCCESS;
// Suspend the associated RNC
scic_sds_remote_node_context_suspend( this_device->rnc,
SCI_SOFTWARE_SUSPENSION,
NULL, NULL );
scic_sds_emit_event_log_message(
this_device, event_code,
(is_ready_state)
? "I_T_Nexus_Timeout event"
: "I_T_Nexus_Timeout event in wrong state",
is_ready_state );
break;
}
// Else, fall through and treat as unhandled...
default:
scic_sds_emit_event_log_message( this_device, event_code,
(is_ready_state)
? "unexpected event"
: "unexpected event in wrong state",
is_ready_state );
status = SCI_FAILURE_INVALID_STATE;
break;
}
return status;
}
/**
* This method is the default event handler. It will call the RNC state
* machine handler for any RNC events otherwise it will log a warning and
* returns a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
* @param[in] event_code The event code that the SCIC_SDS_CONTROLLER wants the
* device object to process.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_event_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 event_code
)
{
return scic_sds_remote_device_core_event_handler( this_device,
event_code,
FALSE );
}
/**
* This method is the default unsolicited frame handler. It logs a warning,
* releases the frame and returns a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
* @param[in] frame_index The frame index for which the SCIC_SDS_CONTROLLER
* wants this device object to process.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_frame_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 frame_index
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to handle frame %x while in wrong state %d\n",
frame_index,
sci_base_state_machine_get_state(&this_device->parent.state_machine)
));
// Return the frame back to the controller
scic_sds_controller_release_frame(
scic_sds_remote_device_get_controller(this_device), frame_index
);
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default start io handler. It logs a warning and returns
* a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
* @param[in] request The SCI_BASE_REQUEST which is then cast into a
* SCIC_SDS_IO_REQUEST to start.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_start_request_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to start io request %x while in wrong state %d\n",
request,
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default complete io handler. It logs a warning and
* returns a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
* @param[in] request The SCI_BASE_REQUEST which is then cast into a
* SCIC_SDS_IO_REQUEST to complete.
*
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_complete_request_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to complete io_request %x while in wrong state %d\n",
request,
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the default continue io handler. It logs a warning and
* returns a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
* @param[in] request The SCI_BASE_REQUEST which is then cast into a
* SCIC_SDS_IO_REQUEST to continue.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_default_continue_request_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger((SCIC_SDS_REMOTE_DEVICE_T *)device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Device requested to continue io request %x while in wrong state %d\n",
request,
sci_base_state_machine_get_state(
scic_sds_remote_device_get_base_state_machine((SCIC_SDS_REMOTE_DEVICE_T *)device))
));
return SCI_FAILURE_INVALID_STATE;
}
/**
* This method is the general suspend handler.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
static
SCI_STATUS scic_sds_remote_device_general_suspend_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 suspend_type
)
{
return scic_sds_remote_node_context_suspend(this_device->rnc, suspend_type, NULL, NULL);
}
/**
* This method is the general suspend handler. It logs a warning and returns
* a failure.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
static
SCI_STATUS scic_sds_remote_device_general_resume_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device
)
{
return scic_sds_remote_node_context_resume(this_device->rnc, NULL, NULL);
}
//*****************************************************************************
//* NORMAL STATE HANDLERS
//*****************************************************************************
/**
* This method is a general ssp frame handler. In most cases the device
* object needs to route the unsolicited frame processing to the io request
* object. This method decodes the tag for the io request object and routes
* the unsolicited frame to that object.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is then cast into a
* SCIC_SDS_REMOTE_DEVICE.
* @param[in] frame_index The frame index for which the SCIC_SDS_CONTROLLER
* wants this device object to process.
*
* @return SCI_STATUS
* @retval SCI_FAILURE_INVALID_STATE
*/
SCI_STATUS scic_sds_remote_device_general_frame_handler(
SCIC_SDS_REMOTE_DEVICE_T *this_device,
U32 frame_index
)
{
SCI_STATUS result;
SCI_SSP_FRAME_HEADER_T *frame_header;
SCIC_SDS_REQUEST_T *io_request;
result = scic_sds_unsolicited_frame_control_get_header(
&(scic_sds_remote_device_get_controller(this_device)->uf_control),
frame_index,
(void **)&frame_header
);
if (SCI_SUCCESS == result)
{
io_request = scic_sds_controller_get_io_request_from_tag(
scic_sds_remote_device_get_controller(this_device), frame_header->tag);
if ( (io_request == SCI_INVALID_HANDLE)
|| (io_request->target_device != this_device) )
{
// We could not map this tag to a valid IO request
// Just toss the frame and continue
scic_sds_controller_release_frame(
scic_sds_remote_device_get_controller(this_device), frame_index
);
}
else
{
// The IO request is now in charge of releasing the frame
result = io_request->state_handlers->frame_handler(
io_request, frame_index);
}
}
return result;
}
/**
* This is a common method for handling events reported to the remote device
* from the controller object.
*
* @param [in] this_device This is the device object that is receiving the
* event.
* @param [in] event_code The event code to process.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_general_event_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 event_code
)
{
return scic_sds_remote_device_core_event_handler( this_device,
event_code,
TRUE );
}
//*****************************************************************************
//* STOPPED STATE HANDLERS
//*****************************************************************************
/**
* This method takes the SCIC_SDS_REMOTE_DEVICE from a stopped state and
* attempts to start it. The RNC buffer for the device is constructed and
* the device state machine is transitioned to the
* SCIC_BASE_REMOTE_DEVICE_STATE_STARTING.
*
* @param[in] device
*
* @return SCI_STATUS
* @retval SCI_SUCCESS if there is an RNC buffer available to construct the
* remote device.
* @retval SCI_FAILURE_INSUFFICIENT_RESOURCES if there is no RNC buffer
* available in which to construct the remote device.
*/
static
SCI_STATUS scic_sds_remote_device_stopped_state_start_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCI_STATUS status;
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
status = scic_sds_remote_node_context_resume(
this_device->rnc,
scic_sds_remote_device_resume_complete_handler,
this_device
);
if (status == SCI_SUCCESS)
{
sci_base_state_machine_change_state(
scic_sds_remote_device_get_base_state_machine(this_device),
SCI_BASE_REMOTE_DEVICE_STATE_STARTING
);
}
return status;
}
/**
* This method will stop a SCIC_SDS_REMOTE_DEVICE that is already in a stopped
* state. This is not considered an error since the device is already
* stopped.
*
* @param[in] this_device The SCI_BASE_REMOTE_DEVICE which is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_SUCCESS
*/
static
SCI_STATUS scic_sds_remote_device_stopped_state_stop_handler(
SCI_BASE_REMOTE_DEVICE_T *this_device
)
{
return SCI_SUCCESS;
}
/**
* This method will destruct a SCIC_SDS_REMOTE_DEVICE that is in a stopped
* state. This is the only state from which a destruct request will succeed.
* The RNi for this SCIC_SDS_REMOTE_DEVICE is returned to the free pool and
* the device object transitions to the SCI_BASE_REMOTE_DEVICE_STATE_FINAL.
*
* @param[in] this_device The SCI_BASE_REMOTE_DEVICE which is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_SUCCESS
*/
static
SCI_STATUS scic_sds_remote_device_stopped_state_destruct_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_CONTROLLER_T * the_controller =
scic_sds_remote_device_get_controller(this_device);
the_controller->remote_device_sequence[this_device->rnc->remote_node_index]++;
scic_sds_controller_free_remote_node_context(
the_controller,
this_device,
this_device->rnc->remote_node_index
);
scic_sds_remote_node_context_set_remote_node_index(
this_device->rnc,
SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
);
sci_base_state_machine_change_state(
scic_sds_remote_device_get_base_state_machine(this_device),
SCI_BASE_REMOTE_DEVICE_STATE_FINAL
);
scic_sds_remote_device_deinitialize_state_logging(this_device);
return SCI_SUCCESS;
}
//*****************************************************************************
//* STARTING STATE HANDLERS
//*****************************************************************************
static
SCI_STATUS scic_sds_remote_device_starting_state_stop_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
/*
* This device has not yet started so there had better be no IO requests
*/
ASSERT(this_device->started_request_count == 0);
/*
* Destroy the remote node context
*/
scic_sds_remote_node_context_destruct(
this_device->rnc,
scic_sds_cb_remote_device_rnc_destruct_complete,
this_device
);
/*
* Transition to the stopping state and wait for the remote node to
* complete being posted and invalidated.
*/
sci_base_state_machine_change_state(
scic_sds_remote_device_get_base_state_machine(this_device),
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
return SCI_SUCCESS;
}
//*****************************************************************************
//* INITIALIZING STATE HANDLERS
//*****************************************************************************
/* There is nothing to do here for SSP devices */
//*****************************************************************************
//* READY STATE HANDLERS
//*****************************************************************************
/**
* This method is the default stop handler for the SCIC_SDS_REMOTE_DEVICE
* ready substate machine. It will stop the current substate machine and
* transition the base state machine to SCI_BASE_REMOTE_DEVICE_STATE_STOPPING.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE object which is cast to a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return SCI_STATUS
* @retval SCI_SUCCESS
*/
SCI_STATUS scic_sds_remote_device_ready_state_stop_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCI_STATUS status = SCI_SUCCESS;
// Request the parent state machine to transition to the stopping state
sci_base_state_machine_change_state(
scic_sds_remote_device_get_base_state_machine(this_device),
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
if (this_device->started_request_count == 0)
{
scic_sds_remote_node_context_destruct(
this_device->rnc,
scic_sds_cb_remote_device_rnc_destruct_complete,
this_device
);
}
else
status = scic_sds_remote_device_terminate_requests(this_device);
return status;
}
/**
* This is the ready state device reset handler
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE object which is cast to a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return SCI_STATUS
*/
SCI_STATUS scic_sds_remote_device_ready_state_reset_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
// Request the parent state machine to transition to the stopping state
sci_base_state_machine_change_state(
scic_sds_remote_device_get_base_state_machine(this_device),
SCI_BASE_REMOTE_DEVICE_STATE_RESETTING
);
return SCI_SUCCESS;
}
/**
* This method will attempt to start a task request for this device object.
* The remote device object will issue the start request for the task and if
* successful it will start the request for the port object then increment its
* own requet count.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is cast to a
* SCIC_SDS_REMOTE_DEVICE for which the request is to be started.
* @param[in] request The SCI_BASE_REQUEST which is cast to a
* SCIC_SDS_IO_REQUEST that is to be started.
*
* @return SCI_STATUS
* @retval SCI_SUCCESS if the task request is started for this device object.
* @retval SCI_FAILURE_INSUFFICIENT_RESOURCES if the io request object could
* not get the resources to start.
*/
static
SCI_STATUS scic_sds_remote_device_ready_state_start_task_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCI_STATUS result;
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T *task_request = (SCIC_SDS_REQUEST_T *)request;
// See if the port is in a state where we can start the IO request
result = scic_sds_port_start_io(
scic_sds_remote_device_get_port(this_device), this_device, task_request);
if (result == SCI_SUCCESS)
{
result = scic_sds_remote_node_context_start_task(
this_device->rnc, task_request
);
if (result == SCI_SUCCESS)
{
result = scic_sds_request_start(task_request);
}
scic_sds_remote_device_start_request(this_device, task_request, result);
}
return result;
}
/**
* This method will attempt to start an io request for this device object. The
* remote device object will issue the start request for the io and if
* successful it will start the request for the port object then increment its
* own requet count.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is cast to a
* SCIC_SDS_REMOTE_DEVICE for which the request is to be started.
* @param[in] request The SCI_BASE_REQUEST which is cast to a
* SCIC_SDS_IO_REQUEST that is to be started.
*
* @return SCI_STATUS
* @retval SCI_SUCCESS if the io request is started for this device object.
* @retval SCI_FAILURE_INSUFFICIENT_RESOURCES if the io request object could
* not get the resources to start.
*/
static
SCI_STATUS scic_sds_remote_device_ready_state_start_io_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCI_STATUS result;
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T *io_request = (SCIC_SDS_REQUEST_T *)request;
// See if the port is in a state where we can start the IO request
result = scic_sds_port_start_io(
scic_sds_remote_device_get_port(this_device), this_device, io_request);
if (result == SCI_SUCCESS)
{
result = scic_sds_remote_node_context_start_io(
this_device->rnc, io_request
);
if (result == SCI_SUCCESS)
{
result = scic_sds_request_start(io_request);
}
scic_sds_remote_device_start_request(this_device, io_request, result);
}
return result;
}
/**
* This method will complete the request for the remote device object. The
* method will call the completion handler for the request object and if
* successful it will complete the request on the port object then decrement
* its own started_request_count.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is cast to a
* SCIC_SDS_REMOTE_DEVICE for which the request is to be completed.
* @param[in] request The SCI_BASE_REQUEST which is cast to a
* SCIC_SDS_IO_REQUEST that is to be completed.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_remote_device_ready_state_complete_request_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCI_STATUS result;
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T *the_request = (SCIC_SDS_REQUEST_T *)request;
result = scic_sds_request_complete(the_request);
if (result == SCI_SUCCESS)
{
// See if the port is in a state where we can start the IO request
result = scic_sds_port_complete_io(
scic_sds_remote_device_get_port(this_device), this_device, the_request);
if (result == SCI_SUCCESS)
{
scic_sds_remote_device_decrement_request_count(this_device);
}
}
return result;
}
//*****************************************************************************
//* STOPPING STATE HANDLERS
//*****************************************************************************
/**
* This method will stop a SCIC_SDS_REMOTE_DEVICE that is already in the
* SCI_BASE_REMOTE_DEVICE_STATE_STOPPING state. This is not considered an
* error since we allow a stop request on a device that is alreay stopping or
* stopped.
*
* @param[in] this_device The SCI_BASE_REMOTE_DEVICE which is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return SCI_STATUS
* @retval SCI_SUCCESS
*/
static
SCI_STATUS scic_sds_remote_device_stopping_state_stop_handler(
SCI_BASE_REMOTE_DEVICE_T *device
)
{
// All requests should have been terminated, but if there is an
// attempt to stop a device already in the stopping state, then
// try again to terminate.
return scic_sds_remote_device_terminate_requests(
(SCIC_SDS_REMOTE_DEVICE_T*)device);
}
/**
* This method completes requests for this SCIC_SDS_REMOTE_DEVICE while it is
* in the SCI_BASE_REMOTE_DEVICE_STATE_STOPPING state. This method calls the
* complete method for the request object and if that is successful the port
* object is called to complete the task request. Then the device object
* itself completes the task request. If SCIC_SDS_REMOTE_DEVICE
* started_request_count goes to 0 and the invalidate RNC request has
* completed the device object can transition to the
* SCI_BASE_REMOTE_DEVICE_STATE_STOPPED.
*
* @param[in] device The device object for which the request is completing.
* @param[in] request The task request that is being completed.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_remote_device_stopping_state_complete_request_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCI_STATUS status = SCI_SUCCESS;
SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)request;
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
status = scic_sds_request_complete(this_request);
if (status == SCI_SUCCESS)
{
status = scic_sds_port_complete_io(
scic_sds_remote_device_get_port(this_device),
this_device,
this_request
);
if (status == SCI_SUCCESS)
{
scic_sds_remote_device_decrement_request_count(this_device);
if (scic_sds_remote_device_get_request_count(this_device) == 0)
{
scic_sds_remote_node_context_destruct(
this_device->rnc,
scic_sds_cb_remote_device_rnc_destruct_complete,
this_device
);
}
}
}
return status;
}
//*****************************************************************************
//* RESETTING STATE HANDLERS
//*****************************************************************************
/**
* This method will complete the reset operation when the device is in the
* resetting state.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is to be cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_remote_device_resetting_state_reset_complete_handler(
SCI_BASE_REMOTE_DEVICE_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
sci_base_state_machine_change_state(
&this_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_READY
);
return SCI_SUCCESS;
}
/**
* This method will stop the remote device while in the resetting state.
*
* @param[in] device The SCI_BASE_REMOTE_DEVICE which is to be cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_remote_device_resetting_state_stop_handler(
SCI_BASE_REMOTE_DEVICE_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
sci_base_state_machine_change_state(
&this_device->parent.state_machine,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
return SCI_SUCCESS;
}
/**
* This method completes requests for this SCIC_SDS_REMOTE_DEVICE while it is
* in the SCI_BASE_REMOTE_DEVICE_STATE_RESETTING state. This method calls the
* complete method for the request object and if that is successful the port
* object is called to complete the task request. Then the device object
* itself completes the task request.
*
* @param[in] device The device object for which the request is completing.
* @param[in] request The task request that is being completed.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_remote_device_resetting_state_complete_request_handler(
SCI_BASE_REMOTE_DEVICE_T *device,
SCI_BASE_REQUEST_T *request
)
{
SCI_STATUS status = SCI_SUCCESS;
SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)request;
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
status = scic_sds_request_complete(this_request);
if (status == SCI_SUCCESS)
{
status = scic_sds_port_complete_io(
scic_sds_remote_device_get_port(this_device), this_device, this_request);
if (status == SCI_SUCCESS)
{
scic_sds_remote_device_decrement_request_count(this_device);
}
}
return status;
}
//*****************************************************************************
//* FAILED STATE HANDLERS
//*****************************************************************************
SCIC_SDS_REMOTE_DEVICE_STATE_HANDLER_T
scic_sds_remote_device_state_handler_table[SCI_BASE_REMOTE_DEVICE_MAX_STATES] =
{
// SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_default_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_default_event_handler,
scic_sds_remote_device_default_frame_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
{
{
scic_sds_remote_device_stopped_state_start_handler,
scic_sds_remote_device_stopped_state_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_stopped_state_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_default_event_handler,
scic_sds_remote_device_default_frame_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_STARTING
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_starting_state_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_general_event_handler,
scic_sds_remote_device_default_frame_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_READY
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_ready_state_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_ready_state_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_ready_state_start_io_handler,
scic_sds_remote_device_ready_state_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_ready_state_start_task_handler,
scic_sds_remote_device_ready_state_complete_request_handler
},
scic_sds_remote_device_general_suspend_handler,
scic_sds_remote_device_general_resume_handler,
scic_sds_remote_device_general_event_handler,
scic_sds_remote_device_general_frame_handler,
},
// SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_stopping_state_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_stopping_state_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_stopping_state_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_general_event_handler,
scic_sds_remote_device_general_frame_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_FAILED
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_default_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_default_event_handler,
scic_sds_remote_device_general_frame_handler
},
// SCI_BASE_REMOTE_DEVICE_STATE_RESETTING
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_resetting_state_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_resetting_state_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_resetting_state_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_resetting_state_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_default_event_handler,
scic_sds_remote_device_general_frame_handler
},
#if !defined(DISABLE_WIDE_PORTED_TARGETS)
// SCI_BASE_REMOTE_DEVICE_STATE_UPDATING_PORT_WIDTH - unused by SCIC
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_default_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_default_event_handler,
scic_sds_remote_device_default_frame_handler
},
#endif
// SCI_BASE_REMOTE_DEVICE_STATE_FINAL
{
{
scic_sds_remote_device_default_start_handler,
scic_sds_remote_device_default_stop_handler,
scic_sds_remote_device_default_fail_handler,
scic_sds_remote_device_default_destruct_handler,
scic_sds_remote_device_default_reset_handler,
scic_sds_remote_device_default_reset_complete_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_remote_device_default_start_request_handler,
scic_sds_remote_device_default_complete_request_handler
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_default_event_handler,
scic_sds_remote_device_default_frame_handler
}
};
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_INITIAL it
* immediatly transitions the remote device object to the stopped state.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_initial_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
);
// Initial state is a transitional state to the stopped state
sci_base_state_machine_change_state(
scic_sds_remote_device_get_base_state_machine(this_device),
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
);
}
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_INITIAL it
* sets the stopped state handlers and if this state is entered from the
* SCI_BASE_REMOTE_DEVICE_STATE_STOPPING then the SCI User is informed that
* the device stop is complete.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_stopped_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
);
// If we are entering from the stopping state let the SCI User know that
// the stop operation has completed.
if (this_device->parent.state_machine.previous_state_id
== SCI_BASE_REMOTE_DEVICE_STATE_STOPPING)
{
scic_cb_remote_device_stop_complete(
scic_sds_remote_device_get_controller(this_device),
this_device,
SCI_SUCCESS
);
}
scic_sds_controller_remote_device_stopped(
scic_sds_remote_device_get_controller(this_device),
this_device
);
}
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_STARTING it
* sets the starting state handlers, sets the device not ready, and posts the
* remote node context to the hardware.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_starting_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_CONTROLLER_T * the_controller;
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
the_controller = scic_sds_remote_device_get_controller(this_device);
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_STARTING
);
scic_cb_remote_device_not_ready(
the_controller,
this_device,
SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED
);
}
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_READY it sets
* the ready state handlers, and starts the ready substate machine.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_ready_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_CONTROLLER_T * the_controller;
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
the_controller = scic_sds_remote_device_get_controller(this_device);
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_READY
);
/// @todo Check the device object for the proper return code for this
/// callback
scic_cb_remote_device_start_complete(
the_controller, this_device, SCI_SUCCESS
);
scic_sds_controller_remote_device_started(
the_controller, this_device
);
if (this_device->has_ready_substate_machine)
{
sci_base_state_machine_start(&this_device->ready_substate_machine);
}
else
{
scic_cb_remote_device_ready(the_controller, this_device);
}
}
/**
* This is the exit method for the SCI_BASE_REMOTE_DEVICE_STATE_READY it does
* nothing.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_ready_state_exit(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_CONTROLLER_T * the_controller;
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
the_controller = scic_sds_remote_device_get_controller(this_device);
if (this_device->has_ready_substate_machine)
{
sci_base_state_machine_stop(&this_device->ready_substate_machine);
}
else
{
scic_cb_remote_device_not_ready(
the_controller,
this_device,
SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED
);
}
}
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_STOPPING it
* sets the stopping state handlers and posts an RNC invalidate request to the
* SCU hardware.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_stopping_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
);
}
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_FAILED it
* sets the stopping state handlers.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_failed_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_FAILED
);
}
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_RESETTING it
* sets the resetting state handlers.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_resetting_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_RESETTING
);
scic_sds_remote_node_context_suspend(
this_device->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL);
}
/**
* This is the exit method for the SCI_BASE_REMOTE_DEVICE_STATE_RESETTING it
* does nothing.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_resetting_state_exit(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
scic_sds_remote_node_context_resume(this_device->rnc, NULL, NULL);
}
/**
* This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_FINAL it sets
* the final state handlers.
*
* @param[in] object This is the SCI_BASE_OBJECT that is cast into a
* SCIC_SDS_REMOTE_DEVICE.
*
* @return none
*/
static
void scic_sds_remote_device_final_state_enter(
SCI_BASE_OBJECT_T *object
)
{
SCIC_SDS_REMOTE_DEVICE_T *this_device = (SCIC_SDS_REMOTE_DEVICE_T *)object;
SET_STATE_HANDLER(
this_device,
scic_sds_remote_device_state_handler_table,
SCI_BASE_REMOTE_DEVICE_STATE_FINAL
);
}
// ---------------------------------------------------------------------------
SCI_BASE_STATE_T
scic_sds_remote_device_state_table[SCI_BASE_REMOTE_DEVICE_MAX_STATES] =
{
{
SCI_BASE_REMOTE_DEVICE_STATE_INITIAL,
scic_sds_remote_device_initial_state_enter,
NULL
},
{
SCI_BASE_REMOTE_DEVICE_STATE_STOPPED,
scic_sds_remote_device_stopped_state_enter,
NULL
},
{
SCI_BASE_REMOTE_DEVICE_STATE_STARTING,
scic_sds_remote_device_starting_state_enter,
NULL
},
{
SCI_BASE_REMOTE_DEVICE_STATE_READY,
scic_sds_remote_device_ready_state_enter,
scic_sds_remote_device_ready_state_exit
},
{
SCI_BASE_REMOTE_DEVICE_STATE_STOPPING,
scic_sds_remote_device_stopping_state_enter,
NULL
},
{
SCI_BASE_REMOTE_DEVICE_STATE_FAILED,
scic_sds_remote_device_failed_state_enter,
NULL
},
{
SCI_BASE_REMOTE_DEVICE_STATE_RESETTING,
scic_sds_remote_device_resetting_state_enter,
scic_sds_remote_device_resetting_state_exit
},
#if !defined(DISABLE_WIDE_PORTED_TARGETS)
{ //Not used by SCIC
SCI_BASE_REMOTE_DEVICE_STATE_UPDATING_PORT_WIDTH,
NULL,
NULL
},
#endif //#if !defined(DISABLE_WIDE_PORTED_TARGETS)
{
SCI_BASE_REMOTE_DEVICE_STATE_FINAL,
scic_sds_remote_device_final_state_enter,
NULL
}
};