2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
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.
9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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.
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.
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.
28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
29 * All rights reserved.
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32 * modification, are permitted provided that the following conditions
35 * * Redistributions of source code must retain the above copyright
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38 * notice, this list of conditions and the following disclaimer in
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55 #include <sys/cdefs.h>
56 __FBSDID("$FreeBSD$");
61 * @brief This file provides the implementation for the observer role
62 * for a state machine. A state machine observer is notified when
63 * the state machine changes states.
66 #include <dev/isci/scil/sci_base_state_machine.h>
67 #include <dev/isci/scil/sci_base_state_machine_observer.h>
69 #if defined(SCI_LOGGING)
71 #define SCI_BASE_INVALID_SUBJECT_STATE 0xFFFF
73 //******************************************************************************
74 //* P R O T E C T E D M E T H O D S
75 //******************************************************************************
77 void sci_base_state_machine_observer_default_update(
78 SCI_BASE_OBSERVER_T *this_observer,
79 SCI_BASE_SUBJECT_T *the_subject
82 SCI_BASE_STATE_MACHINE_OBSERVER_T *state_machine_observer;
84 state_machine_observer = (SCI_BASE_STATE_MACHINE_OBSERVER_T *)this_observer;
86 state_machine_observer->subject_state =
87 sci_base_state_machine_get_state((SCI_BASE_STATE_MACHINE_T *)the_subject);
90 // ---------------------------------------------------------------------------
92 void sci_base_state_machine_observer_construct(
93 SCI_BASE_STATE_MACHINE_OBSERVER_T *this_observer
96 this_observer->parent.update = sci_base_state_machine_observer_default_update;
98 this_observer->subject_state = SCI_BASE_INVALID_SUBJECT_STATE;
101 #endif // defined(SCI_LOGGING)