1 | /* |
2 | * This file is provided under a dual BSD/GPLv2 license. When using or |
3 | * redistributing this file, you may do so under either license. |
4 | * |
5 | * GPL LICENSE SUMMARY |
6 | * |
7 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of version 2 of the GNU General Public License as |
11 | * published by the Free Software Foundation. |
12 | * |
13 | * This program is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
19 | * along with this program; if not, write to the Free Software |
20 | * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
21 | * The full GNU General Public License is included in this distribution |
22 | * in the file called LICENSE.GPL. |
23 | * |
24 | * BSD LICENSE |
25 | * |
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 without |
30 | * modification, are permitted provided that the following conditions |
31 | * are met: |
32 | * |
33 | * * Redistributions of source code must retain the above copyright |
34 | * notice, this list of conditions and the following disclaimer. |
35 | * * Redistributions in binary form must reproduce the above copyright |
36 | * notice, this list of conditions and the following disclaimer in |
37 | * the documentation and/or other materials provided with the |
38 | * distribution. |
39 | * * Neither the name of Intel Corporation nor the names of its |
40 | * contributors may be used to endorse or promote products derived |
41 | * from this software without specific prior written permission. |
42 | * |
43 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
44 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
45 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
46 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
47 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
48 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
49 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
50 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
51 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
52 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
53 | * 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 in |
63 | * the serial ATA specification. |
64 | * XXX: This needs to go into <scsi/sas.h> |
65 | */ |
66 | #define FIS_REGH2D 0x27 |
67 | #define FIS_REGD2H 0x34 |
68 | #define FIS_SETDEVBITS 0xA1 |
69 | #define FIS_DMA_ACTIVATE 0x39 |
70 | #define FIS_DMA_SETUP 0x41 |
71 | #define FIS_BIST_ACTIVATE 0x58 |
72 | #define FIS_PIO_SETUP 0x5F |
73 | #define FIS_DATA 0x46 |
74 | |
75 | /**************************************************************************/ |
76 | #define SSP_RESP_IU_MAX_SIZE 280 |
77 | |
78 | /* |
79 | * contents of the SSP COMMAND INFORMATION UNIT. |
80 | * For specific information on each of these individual fields please |
81 | * reference the SAS specification SSP transport layer section. |
82 | * XXX: This needs to go into <scsi/sas.h> |
83 | */ |
84 | struct 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 please |
100 | * reference the SAS specification SSP transport layer section. |
101 | * XXX: This needs to go into <scsi/sas.h> |
102 | */ |
103 | struct 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 of |
115 | * an SMP Request that is comprised of the struct smp_request_header and a |
116 | * phy identifier. |
117 | * Examples: SMP_REQUEST_DISCOVER, SMP_REQUEST_REPORT_PHY_SATA. |
118 | * |
119 | * For specific information on each of these individual fields please reference |
120 | * the SAS specification. |
121 | */ |
122 | struct 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 the |
135 | * contents of an SMP Configure Route Information request. |
136 | * |
137 | * For specific information on each of these individual fields please reference |
138 | * the SAS specification. |
139 | */ |
140 | struct 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 an |
159 | * SMP Phy Controller request. |
160 | * |
161 | * For specific information on each of these individual fields please reference |
162 | * the SAS specification. |
163 | */ |
164 | struct 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 request |
195 | * structures into a common request type. |
196 | * |
197 | * XXX: This data structure may need to go to scsi/sas.h |
198 | */ |
199 | struct 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 is |
209 | * represented by SCI. |
210 | * XXX convert this to u8 [SAS_ADDR_SIZE] like the rest of libsas |
211 | * |
212 | */ |
213 | struct sci_sas_address { |
214 | u32 high; |
215 | u32 low; |
216 | }; |
217 | #endif |
218 | |