1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SCI_BASE_PORT_H_
#define _SCI_BASE_PORT_H_
/**
* @file
*
* @brief This file contains all of the structures, constants, and methods
* common to all port object definitions.
*/
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include <dev/isci/scil/sci_base_object.h>
#include <dev/isci/scil/sci_base_logger.h>
#include <dev/isci/scil/sci_base_state_machine.h>
#include <dev/isci/scil/sci_base_state_machine_logger.h>
/**
* @enum SCI_BASE_PORT_STATES
*
* @brief This enumeration depicts all the states for the common port
* state machine.
*/
typedef enum _SCI_BASE_PORT_STATES
{
/**
* This state indicates that the port has successfully been stopped.
* In this state no new IO operations are permitted.
* This state is entered from the STOPPING state.
*/
SCI_BASE_PORT_STATE_STOPPED,
/**
* This state indicates that the port is in the process of stopping.
* In this state no new IO operations are permitted, but existing IO
* operations are allowed to complete.
* This state is entered from the READY state.
*/
SCI_BASE_PORT_STATE_STOPPING,
/**
* This state indicates the port is now ready. Thus, the user is
* able to perform IO operations on this port.
* This state is entered from the STARTING state.
*/
SCI_BASE_PORT_STATE_READY,
/**
* This state indicates the port is in the process of performing a hard
* reset. Thus, the user is unable to perform IO operations on this
* port.
* This state is entered from the READY state.
*/
SCI_BASE_PORT_STATE_RESETTING,
/**
* This state indicates the port has failed a reset request. This state
* is entered when a port reset request times out.
* This state is entered from the RESETTING state.
*/
SCI_BASE_PORT_STATE_FAILED,
SCI_BASE_PORT_MAX_STATES
} SCI_BASE_PORT_STATES;
/**
* @struct SCI_BASE_PORT
*
* @brief The base port object abstracts the fields common to all SCI
* port objects.
*/
typedef struct SCI_BASE_PORT
{
/**
* The field specifies that the parent object for the base controller
* is the base object itself.
*/
SCI_BASE_OBJECT_T parent;
/**
* This field contains the information for the base port state machine.
*/
SCI_BASE_STATE_MACHINE_T state_machine;
#ifdef SCI_LOGGING
SCI_BASE_STATE_MACHINE_LOGGER_T state_machine_logger;
#endif // SCI_LOGGING
} SCI_BASE_PORT_T;
struct SCI_BASE_PHY;
typedef SCI_STATUS (*SCI_BASE_PORT_HANDLER_T)(
SCI_BASE_PORT_T *
);
typedef SCI_STATUS (*SCI_BASE_PORT_PHY_HANDLER_T)(
SCI_BASE_PORT_T *,
struct SCI_BASE_PHY *
);
typedef SCI_STATUS (*SCI_BASE_PORT_RESET_HANDLER_T)(
SCI_BASE_PORT_T *,
U32 timeout
);
/**
* @struct SCI_BASE_PORT_STATE_HANDLER
*
* @brief This structure contains all of the state handler methods common to
* base port state machines. Handler methods provide the ability
* to change the behavior for user requests or transitions depending
* on the state the machine is in.
*/
typedef struct SCI_BASE_PORT_STATE_HANDLER
{
/**
* The start_handler specifies the method invoked when a user attempts to
* start a port.
*/
SCI_BASE_PORT_HANDLER_T start_handler;
/**
* The stop_handler specifies the method invoked when a user attempts to
* stop a port.
*/
SCI_BASE_PORT_HANDLER_T stop_handler;
/**
* The destruct_handler specifies the method invoked when attempting to
* destruct a port.
*/
SCI_BASE_PORT_HANDLER_T destruct_handler;
/**
* The reset_handler specifies the method invoked when a user attempts to
* hard reset a port.
*/
SCI_BASE_PORT_RESET_HANDLER_T reset_handler;
/**
* The add_phy_handler specifies the method invoked when a user attempts to
* add another phy into the port.
*/
SCI_BASE_PORT_PHY_HANDLER_T add_phy_handler;
/**
* The remove_phy_handler specifies the method invoked when a user
* attempts to remove a phy from the port.
*/
SCI_BASE_PORT_PHY_HANDLER_T remove_phy_handler;
} SCI_BASE_PORT_STATE_HANDLER_T;
/**
* @brief Construct the base port object
*
* @param[in] this_port This parameter specifies the base port to be
* constructed.
* @param[in] logger This parameter specifies the logger to be associated
* with this base port object.
* @param[in] state_table This parameter specifies the table of state
* definitions to be utilized for the domain state machine.
*
* @return none
*/
void sci_base_port_construct(
SCI_BASE_PORT_T * this_port,
SCI_BASE_LOGGER_T * logger,
SCI_BASE_STATE_T * state_table
);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _SCI_BASE_PORT_H_
|
