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
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
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52  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53  */
54 #ifndef _SCIF_SAS_TASK_REQUEST_H_
55 #define _SCIF_SAS_TASK_REQUEST_H_
56 
57 /**
58  * @file
59  *
60  * @brief This file contains the protected interface structures, constants,
61  *        and methods for the SCIF_SAS_TASK_REQUEST object.
62  */
63 
64 #ifdef __cplusplus
65 extern "C" {
66 #endif // __cplusplus
67 
68 #include <dev/isci/scil/sati_translator_sequence.h>
69 #include <dev/isci/scil/scif_task_request.h>
70 #include <dev/isci/scil/sci_base_request.h>
71 #include <dev/isci/scil/scif_sas_request.h>
72 #include <dev/isci/scil/scif_sas_internal_io_request.h>
73 #include <dev/isci/scil/intel_sas.h>
74 
75 /**
76  * @struct SCIF_SAS_TASK_REQUEST
77  *
78  * @brief The SCI SAS Framework Task request object abstracts the SAS task
79  *        management behavior for the framework component.  Additionally,
80  *        it provides a higher level of abstraction for the core task
81  *        request object.
82  */
83 typedef struct SCIF_SAS_TASK_REQUEST
84 {
85    /**
86     * The SCIF_SAS_REQUEST is the parent object for the
87     * SCIF_SAS_TASK_REQUEST object.
88     */
89    SCIF_SAS_REQUEST_T  parent;
90 
91    /**
92     * This field contains the number of current requests affected by
93     * this task management request.  This number indicates all of the
94     * requests terminated in the silicon (including previous task requests).
95     */
96    U16  affected_request_count;
97 
98    /**
99     * This field specifies the tag for the IO request or the tag to be
100     * managed for a task management request.
101     * This field is utilized during internal IO requests.
102     */
103    U16  io_tag_to_manage;
104 
105    /**
106     * This field will be utilized to specify the task management function
107     * of this task request.
108     */
109    SCI_SAS_TASK_MGMT_FUNCTION_T function;
110 
111 } SCIF_SAS_TASK_REQUEST_T;
112 
113 extern SCI_BASE_STATE_T scif_sas_task_request_state_table[];
114 extern SCI_BASE_REQUEST_STATE_HANDLER_T
115    scif_sas_task_request_state_handler_table[];
116 
117 void scif_sas_task_request_operation_complete(
118    SCIF_SAS_TASK_REQUEST_T * fw_task
119 );
120 
121 U8 scif_sas_task_request_get_function(
122    SCIF_SAS_TASK_REQUEST_T * fw_task
123 );
124 
125 SCI_STATUS scif_sas_internal_task_request_construct(
126    SCI_CONTROLLER_HANDLE_T      scif_controller,
127    SCI_REMOTE_DEVICE_HANDLE_T   scif_remote_device,
128    U16                          io_tag,
129    void                       * task_request_memory,
130    SCI_TASK_REQUEST_HANDLE_T  * scif_task_request,
131    U8                           task_function
132 );
133 
134 void scif_sas_internal_task_request_destruct(
135    SCIF_SAS_TASK_REQUEST_T * fw_internal_task
136 );
137 
138 #ifdef __cplusplus
139 }
140 #endif // __cplusplus
141 
142 #endif // _SCIF_SAS_TASK_REQUEST_H_
143 
144