xref: /freebsd/sys/dev/isci/scil/sati_unmap.h (revision 148a8da8)
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.
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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.
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44  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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48  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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54  * $FreeBSD$
55  */
56 #ifndef _SATI_UNMAP_H_
57 #define _SATI_UNMAP_H_
58 
59 /**
60  * @file
61  * @brief This file contains the method implementations required to
62  *        translate the SCSI reassign blocks command.
63  */
64 
65 #if !defined(DISABLE_SATI_UNMAP)
66 
67 #include <dev/isci/scil/sati_types.h>
68 #include <dev/isci/scil/sati_translator_sequence.h>
69 
70 #define SATI_DSM_MAX_SECTOR_COUNT                     0xFFFF
71 #define SATI_DSM_MAX_SECTOR_ADDRESS                   0xFFFFFFFFFFFF
72 #define SATI_DSM_MAX_BUFFER_SIZE                      4096
73 
74 #define SATI_UNMAP_SIZEOF_SCSI_UNMAP_BLOCK_DESCRIPTOR 16
75 #define SATI_UNMAP_SIZEOF_SCSI_UNMAP_PARAMETER_LIST   8
76 
77 typedef struct _TRIM_PAIR
78 {
79     U64 sector_address:48;
80     U64 sector_count:16;
81 } TRIM_PAIR, *PTRIM_PAIR;
82 
83 U32 sati_unmap_calculate_dsm_blocks(
84    SATI_TRANSLATOR_SEQUENCE_T * sequence,
85    U32                          dsm_descriptor_count
86 );
87 
88 SATI_STATUS sati_unmap_construct(
89    SATI_TRANSLATOR_SEQUENCE_T * sequence,
90    void                       * scsi_io,
91    void                       * ata_io,
92    U32                          sector_count
93 );
94 
95 SATI_STATUS sati_unmap_load_next_descriptor(
96    SATI_TRANSLATOR_SEQUENCE_T * sequence,
97    void                       * scsi_io
98 );
99 
100 U32 sati_unmap_get_max_buffer_size_in_blocks(
101    SATI_TRANSLATOR_SEQUENCE_T * sequence
102 );
103 
104 SATI_STATUS sati_unmap_initial_processing(
105    SATI_TRANSLATOR_SEQUENCE_T * sequence,
106    void                       * scsi_io,
107    void                       * ata_io
108 );
109 
110 SATI_STATUS sati_unmap_process(
111    SATI_TRANSLATOR_SEQUENCE_T * sequence,
112    void                       * scsi_io,
113    void                       * ata_io
114 );
115 
116 SATI_STATUS sati_unmap_translate_command(
117    SATI_TRANSLATOR_SEQUENCE_T * sequence,
118    void                       * scsi_io,
119    void                       * ata_io
120 );
121 
122 SATI_STATUS sati_unmap_translate_response(
123    SATI_TRANSLATOR_SEQUENCE_T * sequence,
124    void                       * scsi_io,
125    void                       * ata_io
126 );
127 
128 void sati_unmap_terminate(
129    SATI_TRANSLATOR_SEQUENCE_T * sequence,
130    void                       * scsi_io,
131    void                       * ata_io
132 );
133 #else // !defined(DISABLE_SATI_UNMAP)
134 #define sati_unmap_terminate(sequence,scsi_io,ata_io)
135 #endif // !defined(DISABLE_SATI_UNMAP)
136 
137 #endif // _SATI_UNMAP_H_
138