1 /*- 2 * This file is provided under a dual BSD/GPLv2 license. When using or 3 * redistributing this file, you may do so under either license. 4 * 5 * GPL LICENSE SUMMARY 6 * 7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of version 2 of the GNU General Public License as 11 * published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 21 * The full GNU General Public License is included in this distribution 22 * in the file called LICENSE.GPL. 23 * 24 * BSD LICENSE 25 * 26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 27 * All rights reserved. 28 * 29 * Redistribution and use in source and binary forms, with or without 30 * modification, are permitted provided that the following conditions 31 * are met: 32 * 33 * * Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * * Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in 37 * the documentation and/or other materials provided with the 38 * distribution. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 41 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 42 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 43 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 44 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 46 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 #include <sys/cdefs.h> 54 __FBSDID("$FreeBSD$"); 55 56 /** 57 * @file 58 * 59 * @brief This file provides the implementation for the observer role 60 * for a state machine. A state machine observer is notified when 61 * the state machine changes states. 62 */ 63 64 #include <dev/isci/scil/sci_base_state_machine.h> 65 #include <dev/isci/scil/sci_base_state_machine_observer.h> 66 67 #if defined(SCI_LOGGING) 68 69 #define SCI_BASE_INVALID_SUBJECT_STATE 0xFFFF 70 71 //****************************************************************************** 72 //* P R O T E C T E D M E T H O D S 73 //****************************************************************************** 74 75 void sci_base_state_machine_observer_default_update( 76 SCI_BASE_OBSERVER_T *this_observer, 77 SCI_BASE_SUBJECT_T *the_subject 78 ) 79 { 80 SCI_BASE_STATE_MACHINE_OBSERVER_T *state_machine_observer; 81 82 state_machine_observer = (SCI_BASE_STATE_MACHINE_OBSERVER_T *)this_observer; 83 84 state_machine_observer->subject_state = 85 sci_base_state_machine_get_state((SCI_BASE_STATE_MACHINE_T *)the_subject); 86 } 87 88 // --------------------------------------------------------------------------- 89 90 void sci_base_state_machine_observer_construct( 91 SCI_BASE_STATE_MACHINE_OBSERVER_T *this_observer 92 ) 93 { 94 this_observer->parent.update = sci_base_state_machine_observer_default_update; 95 96 this_observer->subject_state = SCI_BASE_INVALID_SUBJECT_STATE; 97 } 98 99 #endif // defined(SCI_LOGGING) 100