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.
152 lines
5.4 KiB
C
152 lines
5.4 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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#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 the base implementation for the memory
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* descriptor list decorator. The decorator adds additional
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* functionality that may be used by SCI users to help
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* offload MDE processing.
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*/
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#include <dev/isci/scil/sci_memory_descriptor_list_decorator.h>
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U32 sci_mdl_decorator_get_memory_size(
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SCI_MEMORY_DESCRIPTOR_LIST_HANDLE_T mdl,
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U32 attributes
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)
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{
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U32 size = 0;
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SCI_PHYSICAL_MEMORY_DESCRIPTOR_T * mde;
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sci_mdl_first_entry(mdl);
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mde = sci_mdl_get_current_entry(mdl);
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while (mde != NULL)
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{
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if ( (mde->constant_memory_attributes == attributes)
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|| (attributes == 0) )
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size += (mde->constant_memory_size + mde->constant_memory_alignment);
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sci_mdl_next_entry(mdl);
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mde = sci_mdl_get_current_entry(mdl);
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}
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return size;
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}
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// ---------------------------------------------------------------------------
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void sci_mdl_decorator_assign_memory(
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SCI_MEMORY_DESCRIPTOR_LIST_HANDLE_T mdl,
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U32 attributes,
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POINTER_UINT virtual_address,
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SCI_PHYSICAL_ADDRESS sci_physical_address
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)
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{
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SCI_PHYSICAL_MEMORY_DESCRIPTOR_T * mde;
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U64 physical_address;
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physical_address
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= ((U64) sci_cb_physical_address_lower(sci_physical_address))
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| (((U64) sci_cb_physical_address_upper(sci_physical_address)) << 32);
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sci_mdl_first_entry(mdl);
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mde = sci_mdl_get_current_entry(mdl);
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while (mde != NULL)
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{
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// As long as the memory attribute for this MDE is equivalent to
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// those supplied by the caller, then fill out the appropriate
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// MDE fields.
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if ( (mde->constant_memory_attributes == attributes)
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|| (attributes == 0) )
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{
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// Ensure the virtual address alignment rules are met.
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if ((virtual_address % mde->constant_memory_alignment) != 0)
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{
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virtual_address
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+= (mde->constant_memory_alignment -
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(virtual_address % mde->constant_memory_alignment));
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}
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// Ensure the physical address alignment rules are met.
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if ((physical_address % mde->constant_memory_alignment) != 0)
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{
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physical_address
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+= (mde->constant_memory_alignment -
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(physical_address % mde->constant_memory_alignment));
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}
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// Update the MDE with properly aligned address values.
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mde->virtual_address = (void *)virtual_address;
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sci_cb_make_physical_address(
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mde->physical_address,
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(U32) (physical_address >> 32),
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(U32) (physical_address & 0xFFFFFFFF)
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);
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virtual_address += mde->constant_memory_size;
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physical_address += mde->constant_memory_size;
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}
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// Move on to the next MDE
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sci_mdl_next_entry(mdl);
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mde = sci_mdl_get_current_entry (mdl);
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}
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}
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