xref: /freebsd/sys/dev/isci/scil/sati_unmap.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
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 - 2011 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
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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,
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50  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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52  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53  */
54 #ifndef _SATI_UNMAP_H_
55 #define _SATI_UNMAP_H_
56 
57 /**
58  * @file
59  * @brief This file contains the method implementations required to
60  *        translate the SCSI reassign blocks command.
61  */
62 
63 #if !defined(DISABLE_SATI_UNMAP)
64 
65 #include <dev/isci/scil/sati_types.h>
66 #include <dev/isci/scil/sati_translator_sequence.h>
67 
68 #define SATI_DSM_MAX_SECTOR_COUNT                     0xFFFF
69 #define SATI_DSM_MAX_SECTOR_ADDRESS                   0xFFFFFFFFFFFF
70 #define SATI_DSM_MAX_BUFFER_SIZE                      4096
71 
72 #define SATI_UNMAP_SIZEOF_SCSI_UNMAP_BLOCK_DESCRIPTOR 16
73 #define SATI_UNMAP_SIZEOF_SCSI_UNMAP_PARAMETER_LIST   8
74 
75 typedef struct _TRIM_PAIR
76 {
77     U64 sector_address:48;
78     U64 sector_count:16;
79 } TRIM_PAIR, *PTRIM_PAIR;
80 
81 U32 sati_unmap_calculate_dsm_blocks(
82    SATI_TRANSLATOR_SEQUENCE_T * sequence,
83    U32                          dsm_descriptor_count
84 );
85 
86 SATI_STATUS sati_unmap_construct(
87    SATI_TRANSLATOR_SEQUENCE_T * sequence,
88    void                       * scsi_io,
89    void                       * ata_io,
90    U32                          sector_count
91 );
92 
93 SATI_STATUS sati_unmap_load_next_descriptor(
94    SATI_TRANSLATOR_SEQUENCE_T * sequence,
95    void                       * scsi_io
96 );
97 
98 U32 sati_unmap_get_max_buffer_size_in_blocks(
99    SATI_TRANSLATOR_SEQUENCE_T * sequence
100 );
101 
102 SATI_STATUS sati_unmap_initial_processing(
103    SATI_TRANSLATOR_SEQUENCE_T * sequence,
104    void                       * scsi_io,
105    void                       * ata_io
106 );
107 
108 SATI_STATUS sati_unmap_process(
109    SATI_TRANSLATOR_SEQUENCE_T * sequence,
110    void                       * scsi_io,
111    void                       * ata_io
112 );
113 
114 SATI_STATUS sati_unmap_translate_command(
115    SATI_TRANSLATOR_SEQUENCE_T * sequence,
116    void                       * scsi_io,
117    void                       * ata_io
118 );
119 
120 SATI_STATUS sati_unmap_translate_response(
121    SATI_TRANSLATOR_SEQUENCE_T * sequence,
122    void                       * scsi_io,
123    void                       * ata_io
124 );
125 
126 void sati_unmap_terminate(
127    SATI_TRANSLATOR_SEQUENCE_T * sequence,
128    void                       * scsi_io,
129    void                       * ata_io
130 );
131 #else // !defined(DISABLE_SATI_UNMAP)
132 #define sati_unmap_terminate(sequence,scsi_io,ata_io)
133 #endif // !defined(DISABLE_SATI_UNMAP)
134 
135 #endif // _SATI_UNMAP_H_
136