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/** 55230557Sjimharris * @file 56230557Sjimharris * 57230557Sjimharris * @brief This field defines the SCU format of an unsolicited frame (UF). A 58230557Sjimharris * UF is a frame received by the SCU for which there is no known 59230557Sjimharris * corresponding task context (TC). 60230557Sjimharris */ 61230557Sjimharris 62230557Sjimharris#ifndef _SCU_UNSOLICITED_FRAME_H_ 63230557Sjimharris#define _SCU_UNSOLICITED_FRAME_H_ 64230557Sjimharris 65230557Sjimharris#ifdef __cplusplus 66230557Sjimharrisextern "C" { 67230557Sjimharris#endif // __cplusplus 68230557Sjimharris 69230557Sjimharris#include <dev/isci/scil/sci_types.h> 70230557Sjimharris 71230557Sjimharris/** 72230557Sjimharris * This constant defines the number of DWORDS found the unsolicited frame 73230557Sjimharris * header data member. 74230557Sjimharris */ 75230557Sjimharris#define SCU_UNSOLICITED_FRAME_HEADER_DATA_DWORDS 15 76230557Sjimharris 77230557Sjimharris/** 78230557Sjimharris * @struct SCU_UNSOLICITED_FRAME_HEADER 79230557Sjimharris * 80230557Sjimharris * This structure delineates the format of an unsolicited frame header. 81230557Sjimharris * The first DWORD are UF attributes defined by the silicon architecture. 82230557Sjimharris * The data depicts actual header information received on the link. 83230557Sjimharris */ 84230557Sjimharristypedef struct SCU_UNSOLICITED_FRAME_HEADER 85230557Sjimharris{ 86230557Sjimharris /** 87230557Sjimharris * This field indicates if there is an Initiator Index Table entry with 88230557Sjimharris * which this header is associated. 89230557Sjimharris */ 90230557Sjimharris U32 iit_exists : 1; 91230557Sjimharris 92230557Sjimharris /** 93230557Sjimharris * This field simply indicates the protocol type (i.e. SSP, STP, SMP). 94230557Sjimharris */ 95230557Sjimharris U32 protocol_type : 3; 96230557Sjimharris 97230557Sjimharris /** 98230557Sjimharris * This field indicates if the frame is an address frame (IAF or OAF) 99230557Sjimharris * or if it is a information unit frame. 100230557Sjimharris */ 101230557Sjimharris U32 is_address_frame : 1; 102230557Sjimharris 103230557Sjimharris /** 104230557Sjimharris * This field simply indicates the connection rate at which the frame 105230557Sjimharris * was received. 106230557Sjimharris */ 107230557Sjimharris U32 connection_rate : 4; 108230557Sjimharris 109230557Sjimharris U32 reserved : 23; 110230557Sjimharris 111230557Sjimharris /** 112230557Sjimharris * This field represents the actual header data received on the link. 113230557Sjimharris */ 114230557Sjimharris U32 data[SCU_UNSOLICITED_FRAME_HEADER_DATA_DWORDS]; 115230557Sjimharris 116230557Sjimharris} SCU_UNSOLICITED_FRAME_HEADER_T; 117230557Sjimharris 118230557Sjimharris#ifdef __cplusplus 119230557Sjimharris} 120230557Sjimharris#endif // __cplusplus 121230557Sjimharris 122230557Sjimharris#endif // _SCU_UNSOLICITED_FRAME_H_ 123