linux/drivers/scsi/isci/sas.h

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/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SCI_SAS_H_
#define _SCI_SAS_H_
/*
* SATA FIS Types These constants depict the various SATA FIS types devined in
* the serial ATA specification.
* XXX: This needs to go into <scsi/sas.h>
*/
#define FIS_REGH2D 0x27
#define FIS_REGD2H 0x34
#define FIS_SETDEVBITS 0xA1
#define FIS_DMA_ACTIVATE 0x39
#define FIS_DMA_SETUP 0x41
#define FIS_BIST_ACTIVATE 0x58
#define FIS_PIO_SETUP 0x5F
#define FIS_DATA 0x46
/**************************************************************************/
#define SSP_RESP_IU_MAX_SIZE 280
/*
* contents of the SSP COMMAND INFORMATION UNIT.
* For specific information on each of these individual fields please
* reference the SAS specification SSP transport layer section.
* XXX: This needs to go into <scsi/sas.h>
*/
struct ssp_cmd_iu {
u8 LUN[8];
u8 add_cdb_len:6;
u8 _r_a:2;
u8 _r_b;
u8 en_fburst:1;
u8 task_prio:4;
u8 task_attr:3;
u8 _r_c;
u8 cdb[16];
} __packed;
/*
* contents of the SSP TASK INFORMATION UNIT.
* For specific information on each of these individual fields please
* reference the SAS specification SSP transport layer section.
* XXX: This needs to go into <scsi/sas.h>
*/
struct ssp_task_iu {
u8 LUN[8];
u8 _r_a;
u8 task_func;
u8 _r_b[4];
u16 task_tag;
u8 _r_c[12];
} __packed;
#endif