218 lines · c
1/*2 * This file is provided under a dual BSD/GPLv2 license. When using or3 * redistributing this file, you may do so under either license.4 *5 * GPL LICENSE SUMMARY6 *7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.8 *9 * This program is free software; you can redistribute it and/or modify10 * it under the terms of version 2 of the GNU General Public License as11 * published by the Free Software Foundation.12 *13 * This program is distributed in the hope that it will be useful, but14 * WITHOUT ANY WARRANTY; without even the implied warranty of15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU16 * General Public License for more details.17 *18 * You should have received a copy of the GNU General Public License19 * along with this program; if not, write to the Free Software20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.21 * The full GNU General Public License is included in this distribution22 * in the file called LICENSE.GPL.23 *24 * BSD LICENSE25 *26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.27 * All rights reserved.28 *29 * Redistribution and use in source and binary forms, with or without30 * modification, are permitted provided that the following conditions31 * are met:32 *33 * * Redistributions of source code must retain the above copyright34 * notice, this list of conditions and the following disclaimer.35 * * Redistributions in binary form must reproduce the above copyright36 * notice, this list of conditions and the following disclaimer in37 * the documentation and/or other materials provided with the38 * distribution.39 * * Neither the name of Intel Corporation nor the names of its40 * contributors may be used to endorse or promote products derived41 * from this software without specific prior written permission.42 *43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.54 */55 56#ifndef _SCI_SAS_H_57#define _SCI_SAS_H_58 59#include <linux/kernel.h>60 61/*62 * SATA FIS Types These constants depict the various SATA FIS types devined in63 * the serial ATA specification.64 * XXX: This needs to go into <scsi/sas.h>65 */66#define FIS_REGH2D 0x2767#define FIS_REGD2H 0x3468#define FIS_SETDEVBITS 0xA169#define FIS_DMA_ACTIVATE 0x3970#define FIS_DMA_SETUP 0x4171#define FIS_BIST_ACTIVATE 0x5872#define FIS_PIO_SETUP 0x5F73#define FIS_DATA 0x4674 75/**************************************************************************/76#define SSP_RESP_IU_MAX_SIZE 28077 78/*79 * contents of the SSP COMMAND INFORMATION UNIT.80 * For specific information on each of these individual fields please81 * reference the SAS specification SSP transport layer section.82 * XXX: This needs to go into <scsi/sas.h>83 */84struct ssp_cmd_iu {85 u8 LUN[8];86 u8 add_cdb_len:6;87 u8 _r_a:2;88 u8 _r_b;89 u8 en_fburst:1;90 u8 task_prio:4;91 u8 task_attr:3;92 u8 _r_c;93 94 u8 cdb[16];95} __packed;96 97/*98 * contents of the SSP TASK INFORMATION UNIT.99 * For specific information on each of these individual fields please100 * reference the SAS specification SSP transport layer section.101 * XXX: This needs to go into <scsi/sas.h>102 */103struct ssp_task_iu {104 u8 LUN[8];105 u8 _r_a;106 u8 task_func;107 u8 _r_b[4];108 u16 task_tag;109 u8 _r_c[12];110} __packed;111 112 113/*114 * struct smp_req_phy_id - This structure defines the contents of115 * an SMP Request that is comprised of the struct smp_request_header and a116 * phy identifier.117 * Examples: SMP_REQUEST_DISCOVER, SMP_REQUEST_REPORT_PHY_SATA.118 *119 * For specific information on each of these individual fields please reference120 * the SAS specification.121 */122struct smp_req_phy_id {123 u8 _r_a[4]; /* bytes 4-7 */124 125 u8 ign_zone_grp:1; /* byte 8 */126 u8 _r_b:7;127 128 u8 phy_id; /* byte 9 */129 u8 _r_c; /* byte 10 */130 u8 _r_d; /* byte 11 */131} __packed;132 133/*134 * struct smp_req_config_route_info - This structure defines the135 * contents of an SMP Configure Route Information request.136 *137 * For specific information on each of these individual fields please reference138 * the SAS specification.139 */140struct smp_req_conf_rtinfo {141 u16 exp_change_cnt; /* bytes 4-5 */142 u8 exp_rt_idx_hi; /* byte 6 */143 u8 exp_rt_idx; /* byte 7 */144 145 u8 _r_a; /* byte 8 */146 u8 phy_id; /* byte 9 */147 u16 _r_b; /* bytes 10-11 */148 149 u8 _r_c:7; /* byte 12 */150 u8 dis_rt_entry:1;151 u8 _r_d[3]; /* bytes 13-15 */152 153 u8 rt_sas_addr[8]; /* bytes 16-23 */154 u8 _r_e[16]; /* bytes 24-39 */155} __packed;156 157/*158 * struct smp_req_phycntl - This structure defines the contents of an159 * SMP Phy Controller request.160 *161 * For specific information on each of these individual fields please reference162 * the SAS specification.163 */164struct smp_req_phycntl {165 u16 exp_change_cnt; /* byte 4-5 */166 167 u8 _r_a[3]; /* bytes 6-8 */168 169 u8 phy_id; /* byte 9 */170 u8 phy_op; /* byte 10 */171 172 u8 upd_pathway:1; /* byte 11 */173 u8 _r_b:7;174 175 u8 _r_c[12]; /* byte 12-23 */176 177 u8 att_dev_name[8]; /* byte 24-31 */178 179 u8 _r_d:4; /* byte 32 */180 u8 min_linkrate:4;181 182 u8 _r_e:4; /* byte 33 */183 u8 max_linkrate:4;184 185 u8 _r_f[2]; /* byte 34-35 */186 187 u8 pathway:4; /* byte 36 */188 u8 _r_g:4;189 190 u8 _r_h[3]; /* bytes 37-39 */191} __packed;192 193/*194 * struct smp_req - This structure simply unionizes the existing request195 * structures into a common request type.196 *197 * XXX: This data structure may need to go to scsi/sas.h198 */199struct smp_req {200 u8 type; /* byte 0 */201 u8 func; /* byte 1 */202 u8 alloc_resp_len; /* byte 2 */203 u8 req_len; /* byte 3 */204 u8 req_data[];205} __packed;206 207/*208 * struct sci_sas_address - This structure depicts how a SAS address is209 * represented by SCI.210 * XXX convert this to u8 [SAS_ADDR_SIZE] like the rest of libsas211 *212 */213struct sci_sas_address {214 u32 high;215 u32 low;216};217#endif218