diff options
Diffstat (limited to 'sys/dev/isci/scil/sci_base_state_machine_observer.c')
| -rw-r--r-- | sys/dev/isci/scil/sci_base_state_machine_observer.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sys/dev/isci/scil/sci_base_state_machine_observer.c b/sys/dev/isci/scil/sci_base_state_machine_observer.c new file mode 100644 index 0000000..5a0ef54 --- /dev/null +++ b/sys/dev/isci/scil/sci_base_state_machine_observer.c @@ -0,0 +1,99 @@ +/*- + * 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) |
