intel_sata.h revision 330897
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: stable/11/sys/dev/isci/scil/intel_sata.h 330897 2018-03-14 03:19:51Z eadler $
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 */
95typedef 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 */
113typedef 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 */
141typedef 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 */
174typedef 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 */
192typedef 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 */
212typedef 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 */
234typedef 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 */
247typedef 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 */
278typedef 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