forked from Minki/linux
63a3a15fb0
Reported-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
/*
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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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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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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/**
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* This field defines the SCU format of an unsolicited frame (UF). A UF is a
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* frame received by the SCU for which there is no known corresponding task
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* context (TC).
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*
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*
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*/
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#ifndef _SCU_UNSOLICITED_FRAME_H_
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#define _SCU_UNSOLICITED_FRAME_H_
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#include <linux/string.h>
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/**
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*
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*
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* This constant defines the number of DWORDS found the unsolicited frame
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* header data member.
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*/
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#define SCU_UNSOLICITED_FRAME_HEADER_DATA_DWORDS 15
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/**
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* struct scu_unsolicited_frame_header -
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*
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* This structure delineates the format of an unsolicited frame header. The
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* first DWORD are UF attributes defined by the silicon architecture. The data
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* depicts actual header information received on the link.
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*/
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struct scu_unsolicited_frame_header {
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/**
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* This field indicates if there is an Initiator Index Table entry with
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* which this header is associated.
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*/
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u32 iit_exists:1;
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/**
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* This field simply indicates the protocol type (i.e. SSP, STP, SMP).
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*/
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u32 protocol_type:3;
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/**
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* This field indicates if the frame is an address frame (IAF or OAF)
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* or if it is a information unit frame.
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*/
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u32 is_address_frame:1;
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/**
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* This field simply indicates the connection rate at which the frame
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* was received.
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*/
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u32 connection_rate:4;
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u32 reserved:23;
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/**
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* This field represents the actual header data received on the link.
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*/
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u32 data[SCU_UNSOLICITED_FRAME_HEADER_DATA_DWORDS];
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};
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#endif /* _SCU_UNSOLICITED_FRAME_H_ */
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