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| Current File : //usr/src/sys/dev/isci/scil/scic_sds_stp_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_stp_remote_device.c 231689 2012-02-14 15:58:49Z jimharris $");
/**
* @file
*
* @brief This file contains the methods and state machines for SATA/STP
* remote devices.
*/
#include <dev/isci/scil/intel_sat.h>
#include <dev/isci/scil/intel_ata.h>
#include <dev/isci/scil/intel_sata.h>
#include <dev/isci/scil/scic_remote_device.h>
#include <dev/isci/scil/scic_user_callback.h>
#include <dev/isci/scil/scic_sds_logger.h>
#include <dev/isci/scil/scic_sds_controller.h>
#include <dev/isci/scil/scic_sds_port.h>
#include <dev/isci/scil/scic_sds_remote_device.h>
#include <dev/isci/scil/scic_sds_request.h>
#include <dev/isci/scil/scu_event_codes.h>
#include <dev/isci/scil/scu_completion_codes.h>
#include <dev/isci/scil/sci_base_state.h>
/**
* This method will perform the STP request completion 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 completed.
* @param[in] request This parameter specifies the request being completed.
*
* @return This method returns an indication as to whether the request
* processing completed successfully.
*/
static
SCI_STATUS scic_sds_stp_remote_device_complete_request(
SCI_BASE_REMOTE_DEVICE_T * device,
SCI_BASE_REQUEST_T * request
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T * the_request = (SCIC_SDS_REQUEST_T *)request;
SCI_STATUS status;
status = scic_sds_io_request_complete(the_request);
if (status == SCI_SUCCESS)
{
status = scic_sds_port_complete_io(
this_device->owning_port, this_device, the_request
);
if (status == SCI_SUCCESS)
{
scic_sds_remote_device_decrement_request_count(this_device);
if (the_request->sci_status == SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED)
{
//This request causes hardware error, device needs to be Lun Reset.
//So here we force the state machine to IDLE state so the rest IOs
//can reach RNC state handler, these IOs will be completed by RNC with
//status of "DEVICE_RESET_REQUIRED", instead of "INVALID STATE".
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET
);
}
else if (scic_sds_remote_device_get_request_count(this_device) == 0)
{
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
}
}
}
if (status != SCI_SUCCESS)
{
SCIC_LOG_ERROR((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"Port:0x%x Device:0x%x Request:0x%x Status:0x%x could not complete\n",
this_device->owning_port, this_device, the_request, status
));
}
return status;
}
//*****************************************************************************
//* STP REMOTE DEVICE READY COMMON SUBSTATE HANDLERS
//*****************************************************************************
/**
* This is the READY NCQ substate handler to start task management request. In this
* routine, we suspend and resume the RNC.
*
* @param[in] device The target device a task management request towards to.
* @param[in] request The task request.
*
* @return SCI_STATUS Always return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS status
* to let controller_start_task_handler know that the controller can't post TC for
* task request yet, instead, when RNC gets resumed, a controller_continue_task
* callback will be called.
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_substate_start_request_handler(
SCI_BASE_REMOTE_DEVICE_T * device,
SCI_BASE_REQUEST_T * request
)
{
SCI_STATUS status;
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T * this_request = (SCIC_SDS_REQUEST_T *)request;
// Will the port allow the io request to start?
status = this_device->owning_port->state_handlers->start_io_handler(
this_device->owning_port,
this_device,
this_request
);
if (SCI_SUCCESS == status)
{
status =
scic_sds_remote_node_context_start_task(this_device->rnc, this_request);
if (SCI_SUCCESS == status)
{
status = this_request->state_handlers->parent.start_handler(request);
}
if (status == SCI_SUCCESS)
{
/// @note If the remote device state is not IDLE this will replace
/// the request that probably resulted in the task management
/// request.
this_device->working_request = this_request;
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD
);
//The remote node context must cleanup the TCi to NCQ mapping table.
//The only way to do this correctly is to either write to the TLCR
//register or to invalidate and repost the RNC. In either case the
//remote node context state machine will take the correct action when
//the remote node context is suspended and later resumed.
scic_sds_remote_node_context_suspend(
this_device->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL);
scic_sds_remote_node_context_resume(
this_device->rnc,
(SCIC_SDS_REMOTE_NODE_CONTEXT_CALLBACK)
scic_sds_remote_device_continue_request,
this_device);
}
scic_sds_remote_device_start_request(this_device,this_request,status);
//We need to let the controller start request handler know that it can't
//post TC yet. We will provide a callback function to post TC when RNC gets
//resumed.
return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS;
}
return status;
}
//*****************************************************************************
//* STP REMOTE DEVICE READY IDLE SUBSTATE HANDLERS
//*****************************************************************************
/**
* This method will handle the start io operation for a sata device that is in
* the command idle state.
* - Evalute the type of IO request to be started
* - If its an NCQ request change to NCQ substate
* - If its any other command change to the CMD substate
*
* @note If this is a softreset we may want to have a different substate.
*
* @param [in] device
* @param [in] request
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_idle_substate_start_io_handler(
SCI_BASE_REMOTE_DEVICE_T * device,
SCI_BASE_REQUEST_T * request
)
{
SCI_STATUS status;
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T * io_request = (SCIC_SDS_REQUEST_T *)request;
// Will the port allow the io request to start?
status = this_device->owning_port->state_handlers->start_io_handler(
this_device->owning_port,
this_device,
io_request
);
if (status == SCI_SUCCESS)
{
status =
scic_sds_remote_node_context_start_io(this_device->rnc, io_request);
if (status == SCI_SUCCESS)
{
status = io_request->state_handlers->parent.start_handler(request);
}
if (status == SCI_SUCCESS)
{
if (io_request->sat_protocol == SAT_PROTOCOL_FPDMA)
{
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ
);
}
else
{
this_device->working_request = io_request;
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD
);
}
}
scic_sds_remote_device_start_request(this_device, io_request, status);
}
return status;
}
/**
* This method will handle the event for a sata device that is in
* the idle state. We pick up suspension events to handle specifically
* to this state. We resume the RNC right away.
*
* @param [in] device The device received event.
* @param [in] event_code The event code.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_idle_substate_event_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 event_code
)
{
SCI_STATUS status;
status = scic_sds_remote_device_general_event_handler(this_device, event_code);
if (status == SCI_SUCCESS)
{
if ((scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX
|| scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX)
&& (this_device->rnc->destination_state != SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_READY))
{
status = scic_sds_remote_node_context_resume(
this_device->rnc, NULL, NULL);
}
}
return status;
}
//*****************************************************************************
//* STP REMOTE DEVICE READY NCQ SUBSTATE HANDLERS
//*****************************************************************************
/**
*
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler(
SCI_BASE_REMOTE_DEVICE_T * device,
SCI_BASE_REQUEST_T * request
)
{
SCI_STATUS status;
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T * io_request = (SCIC_SDS_REQUEST_T *)request;
if (io_request->sat_protocol == SAT_PROTOCOL_FPDMA)
{
status = this_device->owning_port->state_handlers->start_io_handler(
this_device->owning_port,
this_device,
io_request
);
if (status == SCI_SUCCESS)
{
status = scic_sds_remote_node_context_start_io(this_device->rnc, io_request);
if (status == SCI_SUCCESS)
{
status = io_request->state_handlers->parent.start_handler(request);
}
scic_sds_remote_device_start_request(this_device, io_request, status);
}
}
else
{
status = SCI_FAILURE_INVALID_STATE;
}
return status;
}
/**
* This method will handle events received while the STP device is in the
* ready command substate.
*
* @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
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_ncq_substate_event_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 event_code
)
{
SCI_STATUS status;
status = scic_sds_remote_device_general_event_handler(this_device, event_code);
switch (scu_get_event_code(event_code))
{
case SCU_EVENT_TL_RNC_SUSPEND_TX:
case SCU_EVENT_TL_RNC_SUSPEND_TX_RX:
/// @todo We need to decode and understand why the hardware suspended the device.
/// The suspension reason was probably due to an SDB error FIS received.
break;
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_DATA_LEN_ERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_OFFSET_ERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_DMASETUP_DIERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_XFERCNT_ERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_RX_DONE_PLD_LEN_ERR:
this_device->not_ready_reason =
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED;
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
);
// We have a notification that the driver requested a suspend operation
// this should not happen.
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote device 0x%x received driver suspend event %x while in ncq ready substate %d\n",
this_device, event_code, sci_base_state_machine_get_state(&this_device->ready_substate_machine)
));
// Since we didnt expect to get here start the device again.
status = scic_sds_remote_device_resume(this_device);
break;
case SCU_EVENT_POST_RCN_RELEASE:
/// @todo Do we need to store the suspend state on the device?
SCIC_LOG_INFO((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote device 0x%x received driver release event %x while in the ready substate %d\n",
this_device, event_code, sci_base_state_machine_get_state(&this_device->ready_substate_machine)
));
break;
default:
// Some other event just log it and continue
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote device 0x%x received driver unexpected event %x while in the ready substate %d\n",
this_device, event_code, sci_base_state_machine_get_state(&this_device->ready_substate_machine)
));
status = SCI_FAILURE_INVALID_STATE;
break;
}
return status;
}
/**
*
*
* @param[in] this_device
* @param[in] frame_index
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_ncq_substate_frame_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 frame_index
)
{
SCI_STATUS status;
SATA_FIS_HEADER_T * frame_header;
status = scic_sds_unsolicited_frame_control_get_header(
&(scic_sds_remote_device_get_controller(this_device)->uf_control),
frame_index,
(void **)&frame_header
);
if (status == SCI_SUCCESS)
{
if (
(frame_header->fis_type == SATA_FIS_TYPE_SETDEVBITS)
&& (frame_header->status & ATA_STATUS_REG_ERROR_BIT)
)
{
this_device->not_ready_reason =
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED;
/** @todo Check sactive and complete associated IO if any. */
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
);
}
else if (
(frame_header->fis_type == SATA_FIS_TYPE_REGD2H)
&& (frame_header->status & ATA_STATUS_REG_ERROR_BIT)
)
{
// Some devices return D2H FIS when an NCQ error is detected.
// Treat this like an SDB error FIS ready reason.
this_device->not_ready_reason =
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED;
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
);
}
else
{
status = SCI_FAILURE;
}
scic_sds_controller_release_frame(
scic_sds_remote_device_get_controller(this_device), frame_index
);
}
return status;
}
//*****************************************************************************
//* STP REMOTE DEVICE READY CMD SUBSTATE HANDLERS
//*****************************************************************************
/**
* This device is already handling a command it can not accept new commands
* until this one is complete.
*
* @param[in] device
* @param[in] request
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler(
SCI_BASE_REMOTE_DEVICE_T * device,
SCI_BASE_REQUEST_T * request
)
{
return SCI_FAILURE_INVALID_STATE;
}
static
SCI_STATUS scic_sds_stp_remote_device_ready_cmd_substate_suspend_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 suspend_type
)
{
SCI_STATUS status;
status = scic_sds_remote_node_context_suspend(
this_device->rnc, suspend_type, NULL, NULL
);
return status;
}
/**
*
*
* @param[in] this_device
* @param[in] frame_index
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_cmd_substate_frame_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 frame_index
)
{
SCI_STATUS status;
/// The device doe not process any UF received from the hardware while
/// in this state. All unsolicited frames are forwarded to the io request
/// object.
status = scic_sds_io_request_frame_handler(
this_device->working_request,
frame_index
);
return status;
}
//*****************************************************************************
//* STP REMOTE DEVICE READY NCQ SUBSTATE HANDLERS
//*****************************************************************************
//*****************************************************************************
//* STP REMOTE DEVICE READY AWAIT RESET SUBSTATE HANDLERS
//*****************************************************************************
static
SCI_STATUS scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler(
SCI_BASE_REMOTE_DEVICE_T * device,
SCI_BASE_REQUEST_T * request
)
{
return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED;
}
/**
* This method will perform the STP request (both io or task) completion
* processing for await reset state.
*
* @param[in] device This parameter specifies the device for which the
* request is being completed.
* @param[in] request This parameter specifies the request being completed.
*
* @return This method returns an indication as to whether the request
* processing completed successfully.
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler(
SCI_BASE_REMOTE_DEVICE_T * device,
SCI_BASE_REQUEST_T * request
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SCIC_SDS_REQUEST_T * the_request = (SCIC_SDS_REQUEST_T *)request;
SCI_STATUS status;
status = scic_sds_io_request_complete(the_request);
if (status == SCI_SUCCESS)
{
status = scic_sds_port_complete_io(
this_device->owning_port, this_device, the_request
);
if (status == SCI_SUCCESS)
scic_sds_remote_device_decrement_request_count(this_device);
}
if (status != SCI_SUCCESS)
{
SCIC_LOG_ERROR((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"Port:0x%x Device:0x%x Request:0x%x Status:0x%x could not complete\n",
this_device->owning_port, this_device, the_request, status
));
}
return status;
}
#if !defined(DISABLE_ATAPI)
//*****************************************************************************
//* STP REMOTE DEVICE READY ATAPI ERROR SUBSTATE HANDLERS
//*****************************************************************************
/**
* This method will handle the event for a ATAPI device that is in
* the ATAPI ERROR state. We pick up suspension events to handle specifically
* to this state. We resume the RNC right away. We then complete the outstanding
* IO to this device.
*
* @param [in] device The device received event.
* @param [in] event_code The event code.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_atapi_error_substate_event_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 event_code
)
{
SCI_STATUS status;
status = scic_sds_remote_device_general_event_handler(this_device, event_code);
if (status == SCI_SUCCESS)
{
if (scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX
|| scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX)
{
status = scic_sds_remote_node_context_resume(
this_device->rnc,
(SCIC_SDS_REMOTE_NODE_CONTEXT_CALLBACK)
this_device->working_request->state_handlers->parent.complete_handler,
(void *)this_device->working_request
);
}
}
return status;
}
#endif // !defined(DISABLE_ATAPI)
// ---------------------------------------------------------------------------
SCIC_SDS_REMOTE_DEVICE_STATE_HANDLER_T
scic_sds_stp_remote_device_ready_substate_handler_table[
SCIC_SDS_STP_REMOTE_DEVICE_READY_MAX_SUBSTATES] =
{
// SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
{
{
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_stp_remote_device_ready_idle_substate_start_io_handler,
scic_sds_remote_device_default_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_stp_remote_device_ready_substate_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_stp_remote_device_ready_idle_substate_event_handler,
scic_sds_remote_device_default_frame_handler
},
// SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD
{
{
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_stp_remote_device_ready_cmd_substate_start_io_handler,
scic_sds_stp_remote_device_complete_request,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_stp_remote_device_ready_substate_start_request_handler,
scic_sds_stp_remote_device_complete_request,
},
scic_sds_stp_remote_device_ready_cmd_substate_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_remote_device_general_event_handler,
scic_sds_stp_remote_device_ready_cmd_substate_frame_handler
},
// SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ
{
{
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_stp_remote_device_ready_ncq_substate_start_io_handler,
scic_sds_stp_remote_device_complete_request,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_stp_remote_device_ready_substate_start_request_handler,
scic_sds_stp_remote_device_complete_request
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_stp_remote_device_ready_ncq_substate_event_handler,
scic_sds_stp_remote_device_ready_ncq_substate_frame_handler
},
// SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
{
{
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_default_start_request_handler,
scic_sds_stp_remote_device_complete_request,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_stp_remote_device_ready_substate_start_request_handler,
scic_sds_stp_remote_device_complete_request
},
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
},
#if !defined(DISABLE_ATAPI)
// SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR
{
{
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_default_start_request_handler,
scic_sds_stp_remote_device_complete_request,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_stp_remote_device_ready_substate_start_request_handler,
scic_sds_stp_remote_device_complete_request
},
scic_sds_remote_device_default_suspend_handler,
scic_sds_remote_device_default_resume_handler,
scic_sds_stp_remote_device_ready_atapi_error_substate_event_handler,
scic_sds_remote_device_general_frame_handler
},
#endif
// SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET
{
{
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_stp_remote_device_ready_await_reset_substate_start_io_handler,
scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler,
scic_sds_remote_device_default_continue_request_handler,
scic_sds_stp_remote_device_ready_substate_start_request_handler,
scic_sds_stp_remote_device_complete_request
},
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
}
};
//*****************************************************************************
//* STP REMOTE DEVICE READY SUBSTATE PRIVATE METHODS
//*****************************************************************************
static
void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(
void * user_cookie
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)user_cookie;
// For NCQ operation we do not issue a
// scic_cb_remote_device_not_ready(). As a result, avoid sending
// the ready notification.
if (this_device->ready_substate_machine.previous_state_id
!= SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ)
{
scic_cb_remote_device_ready(
scic_sds_remote_device_get_controller(this_device), this_device
);
}
}
//*****************************************************************************
//* STP REMOTE DEVICE READY IDLE SUBSTATE
//*****************************************************************************
/**
*
* @param[in] device This is the SCI base object which is cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return none
*/
static
void scic_sds_stp_remote_device_ready_idle_substate_enter(
SCI_BASE_OBJECT_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
);
this_device->working_request = NULL;
if (scic_sds_remote_node_context_is_ready(this_device->rnc))
{
// Since the RNC is ready, it's alright to finish completion
// processing (e.g. signal the remote device is ready).
scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(
this_device
);
}
else
{
scic_sds_remote_node_context_resume(
this_device->rnc,
scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler,
this_device
);
}
}
//*****************************************************************************
//* STP REMOTE DEVICE READY CMD SUBSTATE
//*****************************************************************************
/**
*
*
* @param[in] device This is the SCI base object which is cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return none
*/
static
void scic_sds_stp_remote_device_ready_cmd_substate_enter(
SCI_BASE_OBJECT_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
ASSERT(this_device->working_request != NULL);
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD
);
scic_cb_remote_device_not_ready(
scic_sds_remote_device_get_controller(this_device),
this_device,
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED
);
}
//*****************************************************************************
//* STP REMOTE DEVICE READY NCQ SUBSTATE
//*****************************************************************************
/**
*
*
* @param[in] device This is the SCI base object which is cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return none
*/
static
void scic_sds_stp_remote_device_ready_ncq_substate_enter(
SCI_BASE_OBJECT_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ
);
}
//*****************************************************************************
//* STP REMOTE DEVICE READY NCQ ERROR SUBSTATE
//*****************************************************************************
/**
*
*
* @param[in] device This is the SCI base object which is cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return none
*/
static
void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(
SCI_BASE_OBJECT_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
);
if(this_device->not_ready_reason ==
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED)
{
scic_cb_remote_device_not_ready(
scic_sds_remote_device_get_controller(this_device),
this_device,
this_device->not_ready_reason
);
}
}
//*****************************************************************************
//* STP REMOTE DEVICE READY AWAIT RESET SUBSTATE
//*****************************************************************************
/**
* @brief The enter routine to READY AWAIT RESET substate.
*
* @param[in] device This is the SCI base object which is cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return none
*/
static
void scic_sds_stp_remote_device_ready_await_reset_substate_enter(
SCI_BASE_OBJECT_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET
);
}
#if !defined(DISABLE_ATAPI)
//*****************************************************************************
//* STP REMOTE DEVICE READY ATAPI ERROR SUBSTATE
//*****************************************************************************
/**
* @brief The enter routine to READY ATAPI ERROR substate.
*
* @param[in] device This is the SCI base object which is cast into a
* SCIC_SDS_REMOTE_DEVICE object.
*
* @return none
*/
static
void scic_sds_stp_remote_device_ready_atapi_error_substate_enter(
SCI_BASE_OBJECT_T * device
)
{
SCIC_SDS_REMOTE_DEVICE_T * this_device;
this_device = (SCIC_SDS_REMOTE_DEVICE_T *)device;
SET_STATE_HANDLER(
this_device,
scic_sds_stp_remote_device_ready_substate_handler_table,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR
);
}
#endif // !defined(DISABLE_ATAPI)
// ---------------------------------------------------------------------------
SCI_BASE_STATE_T
scic_sds_stp_remote_device_ready_substate_table[
SCIC_SDS_STP_REMOTE_DEVICE_READY_MAX_SUBSTATES] =
{
{
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE,
scic_sds_stp_remote_device_ready_idle_substate_enter,
NULL
},
{
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD,
scic_sds_stp_remote_device_ready_cmd_substate_enter,
NULL
},
{
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ,
scic_sds_stp_remote_device_ready_ncq_substate_enter,
NULL
},
{
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR,
scic_sds_stp_remote_device_ready_ncq_error_substate_enter,
NULL
},
#if !defined(DISABLE_ATAPI)
{
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR,
scic_sds_stp_remote_device_ready_atapi_error_substate_enter,
NULL
},
#endif
{
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET,
scic_sds_stp_remote_device_ready_await_reset_substate_enter,
NULL
}
};