xref: /freebsd/sys/dev/isci/scil/intel_sata.h (revision e4456411a8c2d4a9bfbccd60f2cf914fd402f817)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3  *
4  * This file is provided under a dual BSD/GPLv2 license.  When using or
5  * redistributing this file, you may do so under either license.
6  *
7  * GPL LICENSE SUMMARY
8  *
9  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of version 2 of the GNU General Public License as
13  * published by the Free Software Foundation.
14  *
15  * This program is distributed in the hope that it will be useful, but
16  * WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  * General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
23  * The full GNU General Public License is included in this distribution
24  * in the file called LICENSE.GPL.
25  *
26  * BSD LICENSE
27  *
28  * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  *
35  *   * Redistributions of source code must retain the above copyright
36  *     notice, this list of conditions and the following disclaimer.
37  *   * Redistributions in binary form must reproduce the above copyright
38  *     notice, this list of conditions and the following disclaimer in
39  *     the documentation and/or other materials provided with the
40  *     distribution.
41  *
42  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53  *
54  * $FreeBSD$
55  */
56 #ifndef _SATA_H_
57 #define _SATA_H_
58 
59 #include <dev/isci/types.h>
60 
61 /**
62  * @file
63  *
64  * @brief This file defines all of the SATA releated constants, enumerations,
65  *        and types. Please note that this file does not necessarily contain
66  *        an exhaustive list of all contants and commands.
67  */
68 
69 /**
70  * @name SATA FIS Types
71  *
72  * These constants depict the various SATA FIS types devined in the serial ATA
73  * specification.
74  */
75 /*@{*/
76 #define SATA_FIS_TYPE_REGH2D          0x27
77 #define SATA_FIS_TYPE_REGD2H          0x34
78 #define SATA_FIS_TYPE_SETDEVBITS      0xA1
79 #define SATA_FIS_TYPE_DMA_ACTIVATE    0x39
80 #define SATA_FIS_TYPE_DMA_SETUP       0x41
81 #define SATA_FIS_TYPE_BIST_ACTIVATE   0x58
82 #define SATA_FIS_TYPE_PIO_SETUP       0x5F
83 #define SATA_FIS_TYPE_DATA            0x46
84 /*@}*/
85 
86 #define SATA_REGISTER_FIS_SIZE 0x20
87 
88 /**
89  * @struct  SATA_FIS_HEADER
90  *
91  * @brief This is the common definition for a SATA FIS Header word.  A
92  *        different header word is defined for any FIS type that does not use
93  *        the standard header.
94  */
95 typedef struct SATA_FIS_HEADER
96 {
97    U32 fis_type         :8;   // word 0
98    U32 pm_port          :4;
99    U32 reserved         :1;
100    U32 direction_flag   :1;   // direction
101    U32 interrupt_flag   :1;
102    U32 command_flag     :1;   // command, auto_activate, or notification
103    U32 status           :8;
104    U32 error            :8;
105 } SATA_FIS_HEADER_T;
106 
107 
108 /**
109  * @struct SATA_FIS_REG_H2D
110  *
111  * @brief This is the definition for a SATA Host to Device Register FIS.
112  */
113 typedef struct SATA_FIS_REG_H2D
114 {
115    U32 fis_type         :8;     // word 0
116    U32 pm_port          :4;
117    U32 reserved0        :3;
118    U32 command_flag     :1;
119    U32 command          :8;
120    U32 features         :8;
121    U32 lba_low          :8;     // word 1
122    U32 lba_mid          :8;
123    U32 lba_high         :8;
124    U32 device           :8;
125    U32 lba_low_exp      :8;     // word 2
126    U32 lba_mid_exp      :8;
127    U32 lba_high_exp     :8;
128    U32 features_exp     :8;
129    U32 sector_count     :8;     // word 3
130    U32 sector_count_exp :8;
131    U32 reserved1        :8;
132    U32 control          :8;
133    U32 reserved2;               // word 4
134 } SATA_FIS_REG_H2D_T;
135 
136 /**
137  * @struct SATA_FIS_REG_D2H
138  *
139  * @brief SATA Device To Host FIS
140  */
141 typedef struct SATA_FIS_REG_D2H
142 {
143    U32 fis_type   :8;         // word 0
144    U32 pm_port    :4;
145    U32 reserved0  :2;
146    U32 irq        :1;
147    U32 reserved1  :1;
148    U32 status     :8;
149    U32 error      :8;
150    U8 lba_low;               // word 1
151    U8 lba_mid;
152    U8 lba_high;
153    U8 device;
154    U8 lba_low_exp;           // word 2
155    U8 lba_mid_exp;
156    U8 lba_high_exp;
157    U8 reserved;
158    U8 sector_count;          // word 3
159    U8 sector_count_exp;
160    U16 reserved2;
161    U32 reserved3;
162 } SATA_FIS_REG_D2H_T;
163 
164 /**
165  *  Status field bit definitions
166  */
167 #define SATA_FIS_STATUS_DEVBITS_MASK  (0x77)
168 
169 /**
170  * @struct SATA_FIS_SET_DEV_BITS
171  *
172  * @brief SATA Set Device Bits FIS
173  */
174 typedef struct SATA_FIS_SET_DEV_BITS
175 {
176    U32 fis_type      :8;   // word 0
177    U32 pm_port       :4;
178    U32 reserved0     :2;
179    U32 irq           :1;
180    U32 notification  :1;
181    U32 status_low    :4;
182    U32 status_high   :4;
183    U32 error         :8;
184    U32 s_active;           // word 1
185 } SATA_FIS_SET_DEV_BITS_T;
186 
187 /**
188  * @struct SATA_FIS_DMA_ACTIVATE
189  *
190  * @brief SATA DMA Activate FIS
191  */
192 typedef struct SATA_FIS_DMA_ACTIVATE
193 {
194    U32 fis_type      :8;   // word 0
195    U32 pm_port       :4;
196    U32 reserved0     :24;
197 } SATA_FIS_DMA_ACTIVATE_T;
198 
199 /**
200  * The lower 5 bits in the DMA Buffer ID Low field of the DMA Setup
201  * are used to communicate the command tag.
202  */
203 #define SATA_DMA_SETUP_TAG_ENABLE      0x1F
204 
205 #define SATA_DMA_SETUP_AUTO_ACT_ENABLE 0x80
206 
207 /**
208  * @struct SATA_FIS_DMA_SETUP
209  *
210  * @brief SATA DMA Setup FIS
211  */
212 typedef struct SATA_FIS_DMA_SETUP
213 {
214    U32 fis_type            :8;   // word 0
215    U32 pm_port             :4;
216    U32 reserved_00         :1;
217    U32 direction           :1;
218    U32 irq                 :1;
219    U32 auto_activate       :1;
220    U32 reserved_01         :16;
221    U32 dma_buffer_id_low;        // word 1
222    U32 dma_buffer_id_high;       // word 2
223    U32 reserved0;                // word 3
224    U32 dma_buffer_offset;        // word 4
225    U32 dma_transfer_count;       // word 5
226    U32 reserved1;                // word 6
227 } SATA_FIS_DMA_SETUP_T;
228 
229 /**
230  *  @struct SATA_FIS_BIST_ACTIVATE
231  *
232  *  @brief SATA BIST Activate FIS
233  */
234 typedef struct SATA_FIS_BIST_ACTIVATE
235 {
236    U32 fis_type               :8;   // word 0
237    U32 reserved0              :8;
238    U32 pattern_definition     :8;
239    U32 reserved1              :8;
240    U32 data1;                       // word 1
241    U32 data2;                       // word 1
242 } SATA_FIS_BIST_ACTIVATE_T;
243 
244 /*
245  *  SATA PIO Setup FIS
246  */
247 typedef struct SATA_FIS_PIO_SETUP
248 {
249    U32 fis_type         :8;   // word 0
250    U32 pm_port          :4;
251    U32 reserved_00      :1;
252    U32 direction        :1;
253    U32 irq              :1;
254    U32 reserved_01      :1;
255    U32 status           :8;
256    U32 error            :8;
257    U32 lba_low          :8;   // word 1
258    U32 lba_mid          :8;
259    U32 lba_high         :8;
260    U32 device           :8;
261    U32 lba_low_exp      :8;   // word 2
262    U32 lba_mid_exp      :8;
263    U32 lba_high_exp     :8;
264    U32 reserved         :8;
265    U32 sector_count     :8;   // word 3
266    U32 sector_count_exp :8;
267    U32 reserved1        :8;
268    U32 ending_status    :8;
269    U32 transfter_count  :16;  // word 4
270    U32 reserved3        :16;
271 } SATA_FIS_PIO_SETUP_T;
272 
273 /**
274  * @struct SATA_FIS_DATA
275  *
276  * @brief SATA Data FIS
277  */
278 typedef struct SATA_FIS_DATA
279 {
280    U32 fis_type      :8;   // word 0
281    U32 pm_port       :4;
282    U32 reserved0     :24;
283    U8  data[4];            // word 1
284 } SATA_FIS_DATA_T;
285 
286 #endif // _SATA_H_
287