xref: /freebsd/sys/dev/isci/scil/scic_sds_stp_packet_request.h (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
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  *
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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.
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40  *     distribution.
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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
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46  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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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 _SCIC_SDS_STP_PACKET_REQUEST_H_
57 #define _SCIC_SDS_STP_PACKET_REQUEST_H_
58 
59 #ifdef __cplusplus
60 extern "C" {
61 #endif // __cplusplus
62 
63 #include <dev/isci/scil/intel_sas.h>
64 #include <dev/isci/scil/sci_types.h>
65 #include <dev/isci/scil/scic_sds_stp_request.h>
66 
67 /**
68  * @file
69  *
70  * @brief This file contains the structures and constants for PACKET protocol
71  *        requests.
72  */
73 
74 
75 /**
76  * @enum
77  *
78  * This is the enumeration of the SATA PIO DATA IN started substate machine.
79  */
80 enum _SCIC_SDS_STP_PACKET_REQUEST_STARTED_SUBSTATES
81 {
82    /**
83     * While in this state the IO request object is waiting for the TC completion
84     * notification for the H2D Register FIS
85     */
86    SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE,
87 
88    /**
89     * While in this state the IO request object is waiting for either a PIO Setup.
90     */
91    SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE,
92 
93    /**
94     * While in this state the IO request object is waiting for TC completion for
95     * the Packet DMA DATA fis or Raw Frame.
96     */
97    SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE,
98 
99    /**
100     * The non-data IO transit to this state in this state after receiving TC
101     * completion. While in this state IO request object is waiting for D2H status
102     * frame as UF.
103     */
104    SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE,
105 
106    /**
107     * The IO transit to this state in this state if the previous TC completion status
108     * is not success and the atapi device is suspended due to target device failed the IO.
109     * While in this state IO request object is waiting for device coming out of the
110     * suspension state then complete the IO.
111     */
112    SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE,
113 
114    SCIC_SDS_STP_PACKET_REQUEST_STARTED_MAX_SUBSTATES
115 };
116 
117 
118 
119 #if !defined(DISABLE_ATAPI)
120 extern SCI_BASE_STATE_T scic_sds_stp_packet_request_started_substate_table[];
121 extern SCIC_SDS_IO_REQUEST_STATE_HANDLER_T
122 	scic_sds_stp_packet_request_started_substate_handler_table[];
123 #endif // !defined(DISABLE_ATAPI)
124 
125 #if !defined(DISABLE_ATAPI)
126 SCI_STATUS scic_sds_stp_packet_request_construct(
127    SCIC_SDS_REQUEST_T * this_request
128 );
129 #else  // !defined(DISABLE_ATAPI)
130 #define scic_sds_stp_packet_request_construct(request) SCI_FAILURE
131 #endif // !defined(DISABLE_ATAPI)
132 
133 #if !defined(DISABLE_ATAPI)
134 void scu_stp_packet_request_command_phase_construct_task_context(
135    SCIC_SDS_REQUEST_T * this_request,
136    SCU_TASK_CONTEXT_T * task_context
137 );
138 #else  // !defined(DISABLE_ATAPI)
139 #define scu_stp_packet_request_command_phase_construct_task_context(reqeust, tc)
140 #endif // !defined(DISABLE_ATAPI)
141 
142 #if !defined(DISABLE_ATAPI)
143 void scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(
144    SCIC_SDS_REQUEST_T * this_request,
145    SCU_TASK_CONTEXT_T * task_context
146 );
147 #else  // !defined(DISABLE_ATAPI)
148 #define scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(reqeust, tc)
149 #endif // !defined(DISABLE_ATAPI)
150 
151 #if !defined(DISABLE_ATAPI)
152 SCI_STATUS scic_sds_stp_packet_request_process_status_fis(
153    SCIC_SDS_REQUEST_T * this_request,
154    SATA_FIS_REG_D2H_T * status_fis
155 );
156 #else  // !defined(DISABLE_ATAPI)
157 #define scic_sds_stp_packet_request_process_status_fis(reqeust, fis) SCI_FAILURE
158 #endif // !defined(DISABLE_ATAPI)
159 
160 #if !defined(DISABLE_ATAPI)
161 void scic_sds_stp_packet_internal_request_sense_build_sgl(
162    SCIC_SDS_REQUEST_T * this_request
163 );
164 #else  // !defined(DISABLE_ATAPI)
165 #define scic_sds_stp_packet_internal_request_sense_build_sgl(request)
166 #endif // !defined(DISABLE_ATAPI)
167 
168 #ifdef __cplusplus
169 }
170 #endif // __cplusplus
171 
172 #endif // _SCIC_SDS_STP_PACKET_REQUEST_H_
173 
174