1230557Sjimharris/*- 2230557Sjimharris * This file is provided under a dual BSD/GPLv2 license. When using or 3230557Sjimharris * redistributing this file, you may do so under either license. 4230557Sjimharris * 5230557Sjimharris * GPL LICENSE SUMMARY 6230557Sjimharris * 7230557Sjimharris * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 8230557Sjimharris * 9230557Sjimharris * This program is free software; you can redistribute it and/or modify 10230557Sjimharris * it under the terms of version 2 of the GNU General Public License as 11230557Sjimharris * published by the Free Software Foundation. 12230557Sjimharris * 13230557Sjimharris * This program is distributed in the hope that it will be useful, but 14230557Sjimharris * WITHOUT ANY WARRANTY; without even the implied warranty of 15230557Sjimharris * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16230557Sjimharris * General Public License for more details. 17230557Sjimharris * 18230557Sjimharris * You should have received a copy of the GNU General Public License 19230557Sjimharris * along with this program; if not, write to the Free Software 20230557Sjimharris * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 21230557Sjimharris * The full GNU General Public License is included in this distribution 22230557Sjimharris * in the file called LICENSE.GPL. 23230557Sjimharris * 24230557Sjimharris * BSD LICENSE 25230557Sjimharris * 26230557Sjimharris * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 27230557Sjimharris * All rights reserved. 28230557Sjimharris * 29230557Sjimharris * Redistribution and use in source and binary forms, with or without 30230557Sjimharris * modification, are permitted provided that the following conditions 31230557Sjimharris * are met: 32230557Sjimharris * 33230557Sjimharris * * Redistributions of source code must retain the above copyright 34230557Sjimharris * notice, this list of conditions and the following disclaimer. 35230557Sjimharris * * Redistributions in binary form must reproduce the above copyright 36230557Sjimharris * notice, this list of conditions and the following disclaimer in 37230557Sjimharris * the documentation and/or other materials provided with the 38230557Sjimharris * distribution. 39230557Sjimharris * 40230557Sjimharris * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 41230557Sjimharris * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 42230557Sjimharris * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 43230557Sjimharris * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 44230557Sjimharris * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45230557Sjimharris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 46230557Sjimharris * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47230557Sjimharris * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48230557Sjimharris * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49230557Sjimharris * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 50230557Sjimharris * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51230557Sjimharris * 52230557Sjimharris * $FreeBSD$ 53230557Sjimharris */ 54230557Sjimharris#ifndef _SCI_MEMORY_DESCRIPTOR_LIST_DECORATOR_H_ 55230557Sjimharris#define _SCI_MEMORY_DESCRIPTOR_LIST_DECORATOR_H_ 56230557Sjimharris 57230557Sjimharris/** 58230557Sjimharris * @file 59230557Sjimharris * 60230557Sjimharris * @brief This file contains methods utilized to provide additional 61230557Sjimharris * functionality above normal MDL processing. 62230557Sjimharris */ 63230557Sjimharris 64230557Sjimharris#ifdef __cplusplus 65230557Sjimharrisextern "C" { 66230557Sjimharris#endif // __cplusplus 67230557Sjimharris 68230557Sjimharris#include <dev/isci/scil/sci_memory_descriptor_list.h> 69230557Sjimharris 70230557Sjimharris/** 71230557Sjimharris * @brief This method will determine the amount of memory needed for 72230557Sjimharris * memory descriptors with exact matching memory attributes. 73230557Sjimharris * If the supplied attributes value is 0, then all MDEs are 74230557Sjimharris * included in the calculation. 75230557Sjimharris * 76230557Sjimharris * @param[in] mdl This parameter specifies the MDL to search through 77230557Sjimharris * for MDEs with matching memory attributes. 78230557Sjimharris * @param[in] attributes This parameter specifies the attributes to 79230557Sjimharris * match. If this parameter is set to 0, then each MDE 80230557Sjimharris * is included in the calculation. 81230557Sjimharris * 82230557Sjimharris * @return This method returns the number of bytes, including offsets 83230557Sjimharris * to achieve proper alignment, for memory descriptors that 84230557Sjimharris * exactly match the supplied memory attributes. 85230557Sjimharris */ 86230557SjimharrisU32 sci_mdl_decorator_get_memory_size( 87230557Sjimharris SCI_MEMORY_DESCRIPTOR_LIST_HANDLE_T mdl, 88230557Sjimharris U32 attributes 89230557Sjimharris); 90230557Sjimharris 91230557Sjimharris/** 92230557Sjimharris * @brief This method will assign the supplied memory address values 93230557Sjimharris * to all of the MDEs in the memory descriptor list with 94230557Sjimharris * exact matching attributes as those supplied by parameter. 95230557Sjimharris * If the supplied attributes value is 0, then all MDEs will 96230557Sjimharris * have their values assigned. 97230557Sjimharris * 98230557Sjimharris * @warning It is suggested the user invoke the 99230557Sjimharris * sci_mdl_decorator_get_memory_size() method prior to invoking 100230557Sjimharris * this method. This ensures that the user supplies pointers 101230557Sjimharris * that refer to memory locations with sufficient space. 102230557Sjimharris * 103230557Sjimharris * @param[in,out] mdl This parameter specifies the MDL to iterate through 104230557Sjimharris * for MDEs with matching memory attributes. 105230557Sjimharris * @param[in] attributes This parameter specifies the attributes to 106230557Sjimharris * match. If this parameter is set to 0, then each 107230557Sjimharris * memory descriptor will be filled out. 108230557Sjimharris * @param[in] virtual_address This parameter specifies the starting 109230557Sjimharris * virtual address to be used when filling out the MDE 110230557Sjimharris * virtual address field. 111230557Sjimharris * @param[in] sci_physical_address This parameter specifies the starting 112230557Sjimharris * physical address to be used when filling out the MDE 113230557Sjimharris * physical address field. 114230557Sjimharris * 115230557Sjimharris * @return none 116230557Sjimharris */ 117230557Sjimharrisvoid sci_mdl_decorator_assign_memory( 118230557Sjimharris SCI_MEMORY_DESCRIPTOR_LIST_HANDLE_T mdl, 119230557Sjimharris U32 attributes, 120230557Sjimharris POINTER_UINT virtual_address, 121230557Sjimharris SCI_PHYSICAL_ADDRESS sci_physical_address 122230557Sjimharris); 123230557Sjimharris 124230557Sjimharris#ifdef __cplusplus 125230557Sjimharris} 126230557Sjimharris#endif // __cplusplus 127230557Sjimharris 128230557Sjimharris#endif // _SCI_MEMORY_DESCRIPTOR_LIST_DECORATOR_H_ 129230557Sjimharris 130