271 lines
8.9 KiB
C
271 lines
8.9 KiB
C
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/**
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* @file
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*
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* @brief This file contains all of the method implementations for the
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* SCIF_SAS_LIBRARY object.
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*/
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#include <dev/isci/scil/scic_library.h>
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#include <dev/isci/scil/sci_pool.h>
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#include <dev/isci/scil/scif_sas_library.h>
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#include <dev/isci/scil/scif_sas_logger.h>
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#include <dev/isci/scil/scif_sas_controller.h>
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/**
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* This macro simply calculates the size of the framework library. This
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* includes the memory for each controller object.
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*/
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#define SCIF_LIBRARY_SIZE(max_controllers) \
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( \
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sizeof(SCIF_SAS_LIBRARY_T) + \
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(sizeof(SCIF_SAS_CONTROLLER_T) * (max_controllers)) \
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)
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//******************************************************************************
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//* P U B L I C M E T H O D S
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//******************************************************************************
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U32 scif_library_get_object_size(
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U8 max_controller_count
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)
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{
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return ( SCIF_LIBRARY_SIZE(max_controller_count) +
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scic_library_get_object_size(max_controller_count) );
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}
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// ---------------------------------------------------------------------------
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SCI_LIBRARY_HANDLE_T scif_library_construct(
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void * library_memory,
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U8 max_controller_count
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)
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{
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SCI_STATUS status;
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SCIF_SAS_LIBRARY_T * fw_library = (SCIF_SAS_LIBRARY_T *) library_memory;
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// Just clear out the memory of the structure to be safe.
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memset(fw_library, 0, scif_library_get_object_size(max_controller_count));
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// Invoke the parent object constructor.
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SCI_BASE_LIBRARY_CONSTRUCT(fw_library,
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&fw_library->parent,
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max_controller_count,
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struct SCIF_SAS_CONTROLLER,
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status);
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// The memory for the framework controller objects start immediately
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// after the library object.
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fw_library->controllers = (SCIF_SAS_CONTROLLER_T*)
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((U8*)library_memory + sizeof(SCIF_SAS_LIBRARY_T));
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// Construct the core library.
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fw_library->core_object = scic_library_construct(
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(U8 *)library_memory +
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SCIF_LIBRARY_SIZE(max_controller_count),
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max_controller_count
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);
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// Ensure construction completed successfully for the core.
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if (fw_library->core_object != SCI_INVALID_HANDLE)
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{
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// Set the association in the core library to this framework library.
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sci_object_set_association(
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(SCI_OBJECT_HANDLE_T) fw_library->core_object,
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(void *) fw_library
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);
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return fw_library;
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}
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return SCI_INVALID_HANDLE;
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}
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// ---------------------------------------------------------------------------
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SCI_STATUS scif_library_allocate_controller(
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SCI_LIBRARY_HANDLE_T library,
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SCI_CONTROLLER_HANDLE_T * new_controller
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)
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{
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SCI_STATUS status;
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// Ensure the user supplied a valid library handle.
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if (library != SCI_INVALID_HANDLE)
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{
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SCIF_SAS_LIBRARY_T * fw_library = (SCIF_SAS_LIBRARY_T *) library;
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// Allocate the framework library.
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SCI_BASE_LIBRARY_ALLOCATE_CONTROLLER(fw_library, new_controller, &status);
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if (status == SCI_SUCCESS)
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{
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SCIF_SAS_CONTROLLER_T * fw_controller;
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// Allocate the core controller and save the handle in the framework
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// controller object.
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fw_controller = (SCIF_SAS_CONTROLLER_T*) *new_controller;
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// Just clear out the memory of the structure to be safe.
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memset(fw_controller, 0, sizeof(SCIF_SAS_CONTROLLER_T));
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status = scic_library_allocate_controller(
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fw_library->core_object, &(fw_controller->core_object)
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);
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// Free the framework controller if the core controller allocation
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// failed.
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if (status != SCI_SUCCESS)
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scif_library_free_controller(library, fw_controller);
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}
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if (status != SCI_SUCCESS)
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{
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SCIF_LOG_WARNING((
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sci_base_object_get_logger(fw_library),
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SCIF_LOG_OBJECT_LIBRARY,
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"Library:0x%x Status:0x%x controller allocation failed\n",
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fw_library, status
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));
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}
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}
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else
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status = SCI_FAILURE_INVALID_PARAMETER_VALUE;
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return status;
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}
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// ---------------------------------------------------------------------------
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SCI_STATUS scif_library_free_controller(
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SCI_LIBRARY_HANDLE_T library,
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SCI_CONTROLLER_HANDLE_T controller
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)
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{
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SCI_STATUS status;
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if ( (library != SCI_INVALID_HANDLE) && (controller != SCI_INVALID_HANDLE) )
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{
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SCI_STATUS core_status;
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SCIF_SAS_LIBRARY_T * fw_library = (SCIF_SAS_LIBRARY_T*) library;
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SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*) controller;
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core_status = scic_library_free_controller(
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fw_library->core_object, fw_controller->core_object
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);
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scif_sas_controller_destruct(fw_controller);
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SCI_BASE_LIBRARY_FREE_CONTROLLER(
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(SCIF_SAS_LIBRARY_T *) library,
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controller,
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SCIF_SAS_CONTROLLER_T,
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&status
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);
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if ( (status == SCI_SUCCESS) && (core_status != SCI_SUCCESS) )
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status = core_status;
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if (status != SCI_SUCCESS)
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{
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SCIF_LOG_WARNING((
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sci_base_object_get_logger(fw_library),
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SCIF_LOG_OBJECT_LIBRARY,
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"Library:0x%x Controller:0x%x Status:0x%x free controller failed\n",
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fw_library, fw_controller, status
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));
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}
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}
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else
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status = SCI_FAILURE_INVALID_PARAMETER_VALUE;
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return status;
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}
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// ---------------------------------------------------------------------------
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SCI_LIBRARY_HANDLE_T scif_library_get_scic_handle(
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SCI_LIBRARY_HANDLE_T scif_library
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)
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{
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SCIF_SAS_LIBRARY_T * fw_library = (SCIF_SAS_LIBRARY_T*) scif_library;
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return fw_library->core_object;
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}
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// ---------------------------------------------------------------------------
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#define SCIF_SAS_LIBRARY_MAX_TIMERS 32
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U16 scif_library_get_max_timer_count(
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void
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)
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{
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/// @todo Need to calculate the exact maximum number of timers needed.
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return SCIF_SAS_LIBRARY_MAX_TIMERS + scic_library_get_max_timer_count();
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}
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//******************************************************************************
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//* P R O T E C T E D M E T H O D S
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//******************************************************************************
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