freebsd-dev/sys/dev/isci/scil/sci_base_state_machine_observer.c

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/*-
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/**
* @file
*
* @brief This file provides the implementation for the observer role
* for a state machine. A state machine observer is notified when
* the state machine changes states.
*/
#include <dev/isci/scil/sci_base_state_machine.h>
#include <dev/isci/scil/sci_base_state_machine_observer.h>
#if defined(SCI_LOGGING)
#define SCI_BASE_INVALID_SUBJECT_STATE 0xFFFF
//******************************************************************************
//* P R O T E C T E D M E T H O D S
//******************************************************************************
void sci_base_state_machine_observer_default_update(
SCI_BASE_OBSERVER_T *this_observer,
SCI_BASE_SUBJECT_T *the_subject
)
{
SCI_BASE_STATE_MACHINE_OBSERVER_T *state_machine_observer;
state_machine_observer = (SCI_BASE_STATE_MACHINE_OBSERVER_T *)this_observer;
state_machine_observer->subject_state =
sci_base_state_machine_get_state((SCI_BASE_STATE_MACHINE_T *)the_subject);
}
// ---------------------------------------------------------------------------
void sci_base_state_machine_observer_construct(
SCI_BASE_STATE_MACHINE_OBSERVER_T *this_observer
)
{
this_observer->parent.update = sci_base_state_machine_observer_default_update;
this_observer->subject_state = SCI_BASE_INVALID_SUBJECT_STATE;
}
#endif // defined(SCI_LOGGING)