1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 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. 6 * 7 * GPL LICENSE SUMMARY 8 * 9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 10 * 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. 14 * 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. 19 * 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. 25 * 26 * BSD LICENSE 27 * 28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 29 * All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 35 * * Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * * Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in 39 * the documentation and/or other materials provided with the 40 * distribution. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 * 54 * $FreeBSD$ 55 */ 56 #ifndef _SCI_BASE_OBJECT_H_ 57 #define _SCI_BASE_OBJECT_H_ 58 59 /** 60 * @file 61 * 62 * @brief This file contains all of the method and constants associated with 63 * the SCI base object. The SCI base object is the class from which 64 * all other objects derive in the Storage Controller Interface. 65 */ 66 67 #ifdef __cplusplus 68 extern "C" { 69 #endif // __cplusplus 70 71 #include <dev/isci/scil/sci_object.h> 72 73 // Forward declare the logger object 74 struct SCI_BASE_LOGGER; 75 76 /** 77 * @struct SCI_BASE_OBJECT 78 * 79 * @brief The SCI_BASE_OBJECT object represents the data and functionality 80 * that is common to all SCI objects. It is the base class. 81 */ 82 typedef struct SCI_BASE_OBJECT 83 { 84 /** 85 * This field represents an association created by the user for this 86 * object. The association can be whatever the user wishes. Think of 87 * it as a cookie. 88 */ 89 void * associated_object; 90 91 /** 92 * This field simply contains a handle to the logger object to be 93 * utilized when utilizing the logger interface. 94 */ 95 struct SCI_BASE_LOGGER * logger; 96 97 } SCI_BASE_OBJECT_T; 98 99 100 /** 101 * @brief This method constructs the sci base object. 102 * 103 * @param[in] base_object This parameter specifies the SCI base 104 * object which we whish to construct. 105 * @param[in] logger This parameter specifies the logger object to be 106 * saved and utilized for this base object. 107 * 108 * @return none 109 */ 110 void sci_base_object_construct( 111 SCI_BASE_OBJECT_T * base_object, 112 struct SCI_BASE_LOGGER * logger 113 ); 114 115 #if defined(SCI_LOGGING) 116 /** 117 * @brief This method returns the logger to which a previous 118 * association was created. 119 * 120 * @param[in] base_object This parameter specifies the SCI base object for 121 * which to retrieve the logger. 122 * 123 * @return This method returns a pointer to the logger that was 124 * previously associated to the supplied base_object 125 * parameter. 126 * @retval NULL This value is returned when there is no logger 127 * association for the supplied base_object instance. 128 */ 129 #define sci_base_object_get_logger(this_object) \ 130 (((SCI_BASE_OBJECT_T *)(this_object))->logger) 131 132 #else // defined(SCI_LOGGING) 133 134 #define sci_base_object_get_logger(this_object) NULL 135 136 #endif // defined(SCI_LOGGING) 137 138 #ifdef __cplusplus 139 } 140 #endif // __cplusplus 141 142 143 #endif // _SCI_BASE_OBJECT_H_ 144 145