xref: /freebsd/sys/dev/isci/scil/sci_base_state.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
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 #ifndef _SCI_BASE_STATE_H_
55 #define _SCI_BASE_STATE_H_
56 
57 /**
58  * @file
59  *
60  * @brief This file contains all of the structures, constants, and methods
61  *        common to all base object definitions.
62  */
63 
64 #ifdef __cplusplus
65 extern "C" {
66 #endif // __cplusplus
67 
68 #include <dev/isci/scil/sci_base_object.h>
69 
70 typedef void (*SCI_BASE_STATE_HANDLER_T)(
71    void
72 );
73 
74 typedef void (*SCI_STATE_TRANSITION_T)(
75    SCI_BASE_OBJECT_T *base_object
76 );
77 
78 /**
79  * @struct SCI_BASE_STATE
80  *
81  * @brief The base state object abstracts the fields common to all state
82  *        objects defined in SCI.
83  */
84 typedef struct SCI_BASE_STATE
85 {
86    /**
87     * This field indicates the defined value for this state.  After
88     * initialization this field should not change.
89     */
90    U32  value;
91 
92    /**
93     * This field is a function pointer that defines the method to be
94     * invoked when the state is entered.
95     */
96    SCI_STATE_TRANSITION_T  enter_state;
97 
98    /**
99     * This field is a function pointer that defines the method to be
100     * invoked when the state is exited.
101     */
102    SCI_STATE_TRANSITION_T  exit_state;
103 
104 } SCI_BASE_STATE_T;
105 
106 #ifdef __cplusplus
107 }
108 #endif // __cplusplus
109 
110 #endif // _SCI_BASE_STATE_H_
111