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/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SCIF_SAS_REQUEST_H_
#define _SCIF_SAS_REQUEST_H_
/**
* @file
*
* @brief This file contains the protected interface structures, constants,
* and methods for the SCIF_SAS_REQUEST object. This object provides
* the common data and behavior to SAS IO and task management
* request types.
*/
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include <dev/isci/scil/sati_translator_sequence.h>
#include <dev/isci/scil/sci_types.h>
#include <dev/isci/scil/sci_status.h>
#include <dev/isci/scil/sci_fast_list.h>
#include <dev/isci/scil/sci_base_request.h>
#define SCIF_SAS_RESPONSE_DATA_LENGTH 120
struct SCIF_SAS_CONTROLLER;
struct SCIF_SAS_REMOTE_DEVICE;
struct SCIF_SAS_TASK_REQUEST;
struct SCIF_SAS_REQUEST;
typedef SCI_STATUS (*SCIF_SAS_REQUEST_COMPLETION_HANDLER_T)(
struct SCIF_SAS_CONTROLLER *,
struct SCIF_SAS_REMOTE_DEVICE *,
struct SCIF_SAS_REQUEST *,
SCI_STATUS *
);
/**
* @struct SCIF_SAS_STP_REQUEST
*
* @brief This structure contains all of the data specific to performing
* SATA/STP IO and TASK requests.
*/
typedef struct SCIF_SAS_STP_REQUEST
{
/**
* This field contains the translation information utilized by SATI.
* For more information on this field please refer to
* SATI_TRANSLATOR_SEQUENCE.
*/
SATI_TRANSLATOR_SEQUENCE_T sequence;
/**
* This field contains the ncq tag being utilized by this IO request.
* The NCQ tag value must be less than or equal to 31 (0 <= tag <= 31).
*/
U8 ncq_tag;
} SCIF_SAS_STP_REQUEST_T;
/**
* @struct SCIF_SAS_REQUEST
*
* @brief The SCIF_SAS_REQUEST object abstracts the common SAS
* IO & task management data and behavior for the framework component.
*/
typedef struct SCIF_SAS_REQUEST
{
/**
* All SAS request types (IO or Task management) have the SCI base
* request as their parent object.
*/
SCI_BASE_REQUEST_T parent;
/**
* This field references the list of state specific handler methods to
* be utilized for this request instance.
*/
SCI_BASE_REQUEST_STATE_HANDLER_T * state_handlers;
SCIF_SAS_REQUEST_COMPLETION_HANDLER_T protocol_complete_handler;
/**
* This field is utilized to communicate state information relating
* to this IO request and it's state transitions.
*/
SCI_STATUS status;
/**
* This field represents the remote device object to which this IO
* request is destined.
*/
struct SCIF_SAS_REMOTE_DEVICE * device;
/**
* This field references the request object that has asked that this
* request be terminated.
*/
struct SCIF_SAS_TASK_REQUEST * terminate_requestor;
/**
* This field provides list specific information that enables a request
* to be placed in a list.
*/
SCI_FAST_LIST_ELEMENT_T list_element;
/**
* This field indicates if the current request is one internally
* generated by the framework or if it is a user IO/task request.
*/
BOOL is_internal;
/**
* This field indicates the current request is a high priority one.
* An internal request is always high priority. But an external request
* could be high priority.
*/
BOOL is_high_priority;
/**
* This field indicates the current request should not be completed
* until a pending abort task set request is completed. For NCQ errors,
* it will allow waiting until the read log ext data is returned to
* to determine how to fail/abort the pending ios.
*/
BOOL is_waiting_for_abort_task_set;
/**
* This field indicates the logical unit (LUN) for the request.
* This field is utilized during internal IO requests.
*/
U32 lun;
/**
* This field specifies sata specific data for the reqeust object.
* This data is only valid for SATA requests.
*/
SCIF_SAS_STP_REQUEST_T stp;
/**
* This field contains the handle for the SCI Core request object that is
* managed by this framework request.
*/
SCI_IO_REQUEST_HANDLE_T core_object;
} SCIF_SAS_REQUEST_T;
void scif_sas_request_construct(
SCIF_SAS_REQUEST_T * fw_request,
struct SCIF_SAS_REMOTE_DEVICE * fw_device,
SCI_BASE_LOGGER_T * logger,
SCI_BASE_STATE_T * state_table
);
SCI_STATUS scif_sas_request_terminate_start(
SCIF_SAS_REQUEST_T * fw_request,
SCI_IO_REQUEST_HANDLE_T core_request
);
void scif_sas_request_terminate_complete(
SCIF_SAS_REQUEST_T * fw_request
);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _SCIF_SAS_REQUEST_H_
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