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 * $FreeBSD$ 53 */ 54 #ifndef _SCI_OBJECT_H_ 55 #define _SCI_OBJECT_H_ 56 57 /** 58 * @file 59 * 60 * @brief This file contains all of the method and constants associated with 61 * the SCI base object. The SCI base object is the class from which 62 * all other objects derive in the Storage Controller Interface. 63 */ 64 65 #ifdef __cplusplus 66 extern "C" { 67 #endif // __cplusplus 68 69 #include <dev/isci/scil/sci_types.h> 70 #include <dev/isci/scil/sci_status.h> 71 72 /** 73 * @brief This method returns the object to which a previous association was 74 * created. This association represents a link between an SCI object 75 * and another SCI object or potentially a user object. The 76 * association essentially acts as a cookie for the user of an object. 77 * The user of an SCI object is now able to retrieve a handle to their 78 * own object that is managing, or related in someway, to said SCI 79 * object. 80 * 81 * @param[in] base_object This parameter specifies the SCI object for 82 * which to retrieve the association reference. 83 * 84 * @return This method returns a pointer to the object that was previously 85 * associated to the supplied base_object parameter. 86 * @retval SCI_INVALID_HANDLE This value is returned when there is no known 87 * association for the supplied base_object instance. 88 */ 89 #if defined(SCI_OBJECT_USE_ASSOCIATION_FUNCTIONS) 90 void * sci_object_get_association( 91 SCI_OBJECT_HANDLE_T base_object 92 ); 93 #else 94 #define sci_object_get_association(object) (*((void **)object)) 95 #endif 96 97 /** 98 * @brief This method will associate to SCI objects. 99 * 100 * @see For more information about associations please reference the 101 * sci_object_get_association() method. 102 * 103 * @param[in] base_object This parameter specifies the SCI object for 104 * which to set the association reference. 105 * @param[in] associated_object This parameter specifies a pointer to the 106 * object being associated. 107 * 108 * @return This method will return an indication as to whether the 109 * association was set successfully. 110 * @retval SCI_SUCCESS This value is currently always returned. 111 */ 112 #if defined(SCI_OBJECT_USE_ASSOCIATION_FUNCTIONS) 113 SCI_STATUS sci_object_set_association( 114 SCI_OBJECT_HANDLE_T base_object, 115 void * associated_object 116 ); 117 #else 118 #define sci_object_set_association(base_object, associated_object) \ 119 ((*((void **)base_object)) = (associated_object)) 120 #endif 121 122 /** 123 * @brief This method will get the logger for an object. 124 * 125 * @param[in] object This parameter specifies SCI object for 126 * which to retrieve its logger. 127 * 128 * @return This method returns a SCI_LOGGER_HANDLE to SCI user. 129 */ 130 SCI_LOGGER_HANDLE_T sci_object_get_logger( 131 SCI_OBJECT_HANDLE_T object 132 ); 133 134 #ifdef __cplusplus 135 } 136 #endif // __cplusplus 137 138 #endif // _SCI_OBJECT_H_ 139 140