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 - 2010 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 *
40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
41 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
42 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
43 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
44 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
46 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
51 *
52 * $FreeBSD$
53 */
54#ifndef _SATA_H_
55#define _SATA_H_
56
57#include <dev/isci/types.h>
58
59/**
60 * @file
61 *
62 * @brief This file defines all of the SATA releated constants, enumerations,
63 *        and types. Please note that this file does not necessarily contain
64 *        an exhaustive list of all contants and commands.
65 */
66
67/**
68 * @name SATA FIS Types
69 *
70 * These constants depict the various SATA FIS types devined in the serial ATA
71 * specification.
72 */
73/*@{*/
74#define SATA_FIS_TYPE_REGH2D          0x27
75#define SATA_FIS_TYPE_REGD2H          0x34
76#define SATA_FIS_TYPE_SETDEVBITS      0xA1
77#define SATA_FIS_TYPE_DMA_ACTIVATE    0x39
78#define SATA_FIS_TYPE_DMA_SETUP       0x41
79#define SATA_FIS_TYPE_BIST_ACTIVATE   0x58
80#define SATA_FIS_TYPE_PIO_SETUP       0x5F
81#define SATA_FIS_TYPE_DATA            0x46
82/*@}*/
83
84#define SATA_REGISTER_FIS_SIZE 0x20
85
86/**
87 * @struct  SATA_FIS_HEADER
88 *
89 * @brief This is the common definition for a SATA FIS Header word.  A
90 *        different header word is defined for any FIS type that does not use
91 *        the standard header.
92 */
93typedef struct SATA_FIS_HEADER
94{
95   U32 fis_type         :8;   // word 0
96   U32 pm_port          :4;
97   U32 reserved         :1;
98   U32 direction_flag   :1;   // direction
99   U32 interrupt_flag   :1;
100   U32 command_flag     :1;   // command, auto_activate, or notification
101   U32 status           :8;
102   U32 error            :8;
103} SATA_FIS_HEADER_T;
104
105
106/**
107 * @struct SATA_FIS_REG_H2D
108 *
109 * @brief This is the definition for a SATA Host to Device Register FIS.
110 */
111typedef struct SATA_FIS_REG_H2D
112{
113   U32 fis_type         :8;     // word 0
114   U32 pm_port          :4;
115   U32 reserved0        :3;
116   U32 command_flag     :1;
117   U32 command          :8;
118   U32 features         :8;
119   U32 lba_low          :8;     // word 1
120   U32 lba_mid          :8;
121   U32 lba_high         :8;
122   U32 device           :8;
123   U32 lba_low_exp      :8;     // word 2
124   U32 lba_mid_exp      :8;
125   U32 lba_high_exp     :8;
126   U32 features_exp     :8;
127   U32 sector_count     :8;     // word 3
128   U32 sector_count_exp :8;
129   U32 reserved1        :8;
130   U32 control          :8;
131   U32 reserved2;               // word 4
132} SATA_FIS_REG_H2D_T;
133
134/**
135 * @struct SATA_FIS_REG_D2H
136 *
137 * @brief SATA Device To Host FIS
138 */
139typedef struct SATA_FIS_REG_D2H
140{
141   U32 fis_type   :8;         // word 0
142   U32 pm_port    :4;
143   U32 reserved0  :2;
144   U32 irq        :1;
145   U32 reserved1  :1;
146   U32 status     :8;
147   U32 error      :8;
148   U8 lba_low;               // word 1
149   U8 lba_mid;
150   U8 lba_high;
151   U8 device;
152   U8 lba_low_exp;           // word 2
153   U8 lba_mid_exp;
154   U8 lba_high_exp;
155   U8 reserved;
156   U8 sector_count;          // word 3
157   U8 sector_count_exp;
158   U16 reserved2;
159   U32 reserved3;
160} SATA_FIS_REG_D2H_T;
161
162/**
163 *  Status field bit definitions
164 */
165#define SATA_FIS_STATUS_DEVBITS_MASK  (0x77)
166
167/**
168 * @struct SATA_FIS_SET_DEV_BITS
169 *
170 * @brief SATA Set Device Bits FIS
171 */
172typedef struct SATA_FIS_SET_DEV_BITS
173{
174   U32 fis_type      :8;   // word 0
175   U32 pm_port       :4;
176   U32 reserved0     :2;
177   U32 irq           :1;
178   U32 notification  :1;
179   U32 status_low    :4;
180   U32 status_high   :4;
181   U32 error         :8;
182   U32 s_active;           // word 1
183} SATA_FIS_SET_DEV_BITS_T;
184
185/**
186 * @struct SATA_FIS_DMA_ACTIVATE
187 *
188 * @brief SATA DMA Activate FIS
189 */
190typedef struct SATA_FIS_DMA_ACTIVATE
191{
192   U32 fis_type      :8;   // word 0
193   U32 pm_port       :4;
194   U32 reserved0     :24;
195} SATA_FIS_DMA_ACTIVATE_T;
196
197/**
198 * The lower 5 bits in the DMA Buffer ID Low field of the DMA Setup
199 * are used to communicate the command tag.
200 */
201#define SATA_DMA_SETUP_TAG_ENABLE      0x1F
202
203#define SATA_DMA_SETUP_AUTO_ACT_ENABLE 0x80
204
205/**
206 * @struct SATA_FIS_DMA_SETUP
207 *
208 * @brief SATA DMA Setup FIS
209 */
210typedef struct SATA_FIS_DMA_SETUP
211{
212   U32 fis_type            :8;   // word 0
213   U32 pm_port             :4;
214   U32 reserved_00         :1;
215   U32 direction           :1;
216   U32 irq                 :1;
217   U32 auto_activate       :1;
218   U32 reserved_01         :16;
219   U32 dma_buffer_id_low;        // word 1
220   U32 dma_buffer_id_high;       // word 2
221   U32 reserved0;                // word 3
222   U32 dma_buffer_offset;        // word 4
223   U32 dma_transfer_count;       // word 5
224   U32 reserved1;                // word 6
225} SATA_FIS_DMA_SETUP_T;
226
227/**
228 *  @struct SATA_FIS_BIST_ACTIVATE
229 *
230 *  @brief SATA BIST Activate FIS
231 */
232typedef struct SATA_FIS_BIST_ACTIVATE
233{
234   U32 fis_type               :8;   // word 0
235   U32 reserved0              :8;
236   U32 pattern_definition     :8;
237   U32 reserved1              :8;
238   U32 data1;                       // word 1
239   U32 data2;                       // word 1
240} SATA_FIS_BIST_ACTIVATE_T;
241
242/*
243 *  SATA PIO Setup FIS
244 */
245typedef struct SATA_FIS_PIO_SETUP
246{
247   U32 fis_type         :8;   // word 0
248   U32 pm_port          :4;
249   U32 reserved_00      :1;
250   U32 direction        :1;
251   U32 irq              :1;
252   U32 reserved_01      :1;
253   U32 status           :8;
254   U32 error            :8;
255   U32 lba_low          :8;   // word 1
256   U32 lba_mid          :8;
257   U32 lba_high         :8;
258   U32 device           :8;
259   U32 lba_low_exp      :8;   // word 2
260   U32 lba_mid_exp      :8;
261   U32 lba_high_exp     :8;
262   U32 reserved         :8;
263   U32 sector_count     :8;   // word 3
264   U32 sector_count_exp :8;
265   U32 reserved1        :8;
266   U32 ending_status    :8;
267   U32 transfter_count  :16;  // word 4
268   U32 reserved3        :16;
269} SATA_FIS_PIO_SETUP_T;
270
271/**
272 * @struct SATA_FIS_DATA
273 *
274 * @brief SATA Data FIS
275 */
276typedef struct SATA_FIS_DATA
277{
278   U32 fis_type      :8;   // word 0
279   U32 pm_port       :4;
280   U32 reserved0     :24;
281   U8  data[4];            // word 1
282} SATA_FIS_DATA_T;
283
284#endif // _SATA_H_
285