718cf2ccb9
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
246 lines
10 KiB
C
246 lines
10 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SCIF_IO_REQUEST_H_
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#define _SCIF_IO_REQUEST_H_
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/**
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* @file
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*
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* @brief This file contains the structures and interface methods that
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* can be referenced and used by the SCI user for the SCI IO request
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* object.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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#include <dev/isci/scil/sci_types.h>
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#include <dev/isci/scil/sci_status.h>
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/**
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* @brief This method simply returns the size required to construct an SCI
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* based IO request object (includes core & framework object size).
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*
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* @return Return the size of the SCI IO request object.
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*/
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U32 scif_io_request_get_object_size(
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void
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);
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/**
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* @brief This method simply the number of data bytes transferred for a
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* STP or SSP io request.
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*
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* @param[in] scif_io_request This parameter specifies the framework IO
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* handle to retrieve the number of data bytes transferred.
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*
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* @return Return the number of data bytes transferred by the io request
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*/
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U32 scif_io_request_get_number_of_bytes_transferred(
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void * scif_io_request
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);
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/**
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* @brief This method is called by the SCIF user to construct an IO request.
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* This method will construct a SCIC IO request internally. The memory
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* for the core IO request is passed as a parameter to this method.
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*
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* @note The SCI framework implementation will create an association between
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* the user IO request object and the framework IO request object.
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*
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* @param[in] scif_controller the handle to the framework controller object
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* for which to build an IO request.
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* @param[in] scif_remote_device This parameter specifies the framework
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* remote device with which this IO request is to be associated.
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* @param[in] io_tag This parameter specifies the IO tag to be associated
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* with this request. If SCI_CONTROLLER_INVALID_IO_TAG is
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* passed, then a copy of the request is built internally. The
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* request will be copied into the actual controller request
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* memory when the IO tag is allocated internally during the
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* scif_controller_start_io() method.
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* @param[in] user_io_request_object This parameter specifies the user
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* IO request to be utilized during IO construction. This IO
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* pointer will become the associated object for the framework
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* IO request object.
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* @param[in] io_request_memory This parameter specifies the memory
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* to be utilized in the construction of the framework IO request.
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* @param[in] scif_io_request This parameter specifies the handle to be
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* utilized for all further interactions with this IO request
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* object.
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*
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* @return Indicate if the controller successfully built the IO request.
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* @retval SCI_SUCCESS This value is returned if the IO request was
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* successfully built.
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*/
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SCI_STATUS scif_io_request_construct(
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SCI_CONTROLLER_HANDLE_T scif_controller,
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SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
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U16 io_tag,
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void * user_io_request_object,
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void * io_request_memory,
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SCI_IO_REQUEST_HANDLE_T * scif_io_request
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);
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/**
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* @brief This method simply returns the SCI Core object handle that is
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* associated with the supplied SCI Framework object.
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*
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* @param[in] scif_io_request This parameter specifies the framework IO
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* for which to return the associated core IO request object.
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*
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* @return This method returns a handle to the core IO request object
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* associated with the framework IO request object.
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* @retval SCI_INVALID_HANDLE This return value indicates that the SCI Core
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* IO request handle for the supplied framework IO is invalid.
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*/
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SCI_IO_REQUEST_HANDLE_T scif_io_request_get_scic_handle(
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SCI_IO_REQUEST_HANDLE_T scif_io_request
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);
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/**
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* @brief This method returns the address of the response information unit.
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* This call is only valid if the completion status for the io request
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* is SCI_FAILURE_IO_RESPONSE_VALID.
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*
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* @param[in] scif_io_request This parameter specifies the framework IO
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* for which to return the associated core IO request object.
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*
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* @return The address for the response information unit.
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*/
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void * scif_io_request_get_response_iu_address(
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SCI_IO_REQUEST_HANDLE_T scif_io_request
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);
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/**
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* @brief This method will build an Framework SSP Passthrough IO request based
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* on the user information supplied in the pass-through IO request object.
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* In case of pass through request construction, the driver creates the
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* sci core request object and pass that to the framework
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*
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* @pre
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*
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* @param[in] scif_controller. Not used in the function but kept to maintain uniformity
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* with other io construct functions
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* @param[in] scif_remote_device. This parameter is the device.
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* @param[in] scic_io_request. This parameter is the scic request already constructed
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* @param[in] user_io_request_object, the user io request
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* @param[in] io_request_memory, the scif offset in the user_io_request_object.
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*
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* @param[out] the contructed scif request. This points to the same location as io_request_memory
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*
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* @return Indicate if framework IO request is successfully built.
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* @retval SCI_SUCCESS This value is returned if the IO request was
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* successfully built.
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*/
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SCI_STATUS scif_io_request_construct_with_core (
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SCI_CONTROLLER_HANDLE_T scif_controller,
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SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
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void * scic_io_request,
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void * user_io_request_object,
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void * io_request_memory,
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SCI_IO_REQUEST_HANDLE_T * scif_io_request
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);
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/**
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* @brief This method will build the basic scif and scic io request object based
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* on the user information supplied in the pass-through IO request object.
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* This function will not build the protocol specific part of the request
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* but set up the memory areas of scif and scic set the association.
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*
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* @pre
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*
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* @param[in] scif_controller the handle to the framework controller object
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* for which to build an IO request.
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* @param[in] scif_remote_device This parameter specifies the framework
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* remote device with which this IO request is to be associated.
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* @param[in] io_tag This parameter specifies the IO tag to be associated
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* with this request. If SCI_CONTROLLER_INVALID_IO_TAG is
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* passed, then a copy of the request is built internally. The
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* request will be copied into the actual controller request
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* memory when the IO tag is allocated internally during the
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* scif_controller_start_io() method.
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* @param[in] user_io_request_object This parameter specifies the user
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* IO request to be utilized during IO construction. This IO
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* pointer will become the associated object for the framework
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* IO request object.
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* @param[in] io_request_memory This parameter specifies the memory
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* to be utilized in the construction of the framework IO request.
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* @param[in] scif_io_request This parameter specifies the handle to be
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* utilized for all further interactions with this IO request
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* object.
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*
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* @return Indicate if the controller successfully built the IO request.
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* @retval SCI_SUCCESS This value is returned if the IO request was
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* successfully built.
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*/
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SCI_STATUS scif_request_construct(
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SCI_CONTROLLER_HANDLE_T scif_controller,
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SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
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U16 io_tag,
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void * user_io_request_object,
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void * io_request_memory,
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SCI_IO_REQUEST_HANDLE_T * scif_io_request
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);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // _SCIF_IO_REQUEST_H_
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