/*
* 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_
#include <linux/kernel.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 0 x27
#define FIS_REGD2H 0 x34
#define FIS_SETDEVBITS 0 xA1
#define FIS_DMA_ACTIVATE 0 x39
#define FIS_DMA_SETUP 0 x41
#define FIS_BIST_ACTIVATE 0 x58
#define FIS_PIO_SETUP 0 x5F
#define FIS_DATA 0 x46
/**************************************************************************/
#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;
/*
* struct smp_req_phy_id - This structure defines the contents of
* an SMP Request that is comprised of the struct smp_request_header and a
* phy identifier .
* Examples : SMP_REQUEST_DISCOVER , SMP_REQUEST_REPORT_PHY_SATA .
*
* For specific information on each of these individual fields please reference
* the SAS specification .
*/
struct smp_req_phy_id {
u8 _r_a[4 ]; /* bytes 4-7 */
u8 ign_zone_grp:1 ; /* byte 8 */
u8 _r_b:7 ;
u8 phy_id; /* byte 9 */
u8 _r_c; /* byte 10 */
u8 _r_d; /* byte 11 */
} __packed;
/*
* struct smp_req_config_route_info - This structure defines the
* contents of an SMP Configure Route Information request .
*
* For specific information on each of these individual fields please reference
* the SAS specification .
*/
struct smp_req_conf_rtinfo {
u16 exp_change_cnt; /* bytes 4-5 */
u8 exp_rt_idx_hi; /* byte 6 */
u8 exp_rt_idx; /* byte 7 */
u8 _r_a; /* byte 8 */
u8 phy_id; /* byte 9 */
u16 _r_b; /* bytes 10-11 */
u8 _r_c:7 ; /* byte 12 */
u8 dis_rt_entry:1 ;
u8 _r_d[3 ]; /* bytes 13-15 */
u8 rt_sas_addr[8 ]; /* bytes 16-23 */
u8 _r_e[16 ]; /* bytes 24-39 */
} __packed;
/*
* struct smp_req_phycntl - This structure defines the contents of an
* SMP Phy Controller request .
*
* For specific information on each of these individual fields please reference
* the SAS specification .
*/
struct smp_req_phycntl {
u16 exp_change_cnt; /* byte 4-5 */
u8 _r_a[3 ]; /* bytes 6-8 */
u8 phy_id; /* byte 9 */
u8 phy_op; /* byte 10 */
u8 upd_pathway:1 ; /* byte 11 */
u8 _r_b:7 ;
u8 _r_c[12 ]; /* byte 12-23 */
u8 att_dev_name[8 ]; /* byte 24-31 */
u8 _r_d:4 ; /* byte 32 */
u8 min_linkrate:4 ;
u8 _r_e:4 ; /* byte 33 */
u8 max_linkrate:4 ;
u8 _r_f[2 ]; /* byte 34-35 */
u8 pathway:4 ; /* byte 36 */
u8 _r_g:4 ;
u8 _r_h[3 ]; /* bytes 37-39 */
} __packed;
/*
* struct smp_req - This structure simply unionizes the existing request
* structures into a common request type .
*
* XXX : This data structure may need to go to scsi / sas . h
*/
struct smp_req {
u8 type; /* byte 0 */
u8 func; /* byte 1 */
u8 alloc_resp_len; /* byte 2 */
u8 req_len; /* byte 3 */
u8 req_data[];
} __packed;
/*
* struct sci_sas_address - This structure depicts how a SAS address is
* represented by SCI .
* XXX convert this to u8 [ SAS_ADDR_SIZE ] like the rest of libsas
*
*/
struct sci_sas_address {
u32 high;
u32 low;
};
#endif
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