/*- * 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. * * $FreeBSD$ */ #ifndef _SCI_BASE_REQUST_H_ #define _SCI_BASE_REQUST_H_ /** * @file * * @brief This file contains all of the constants, types, and method * declarations for the SCI base IO and task request objects. */ #ifdef __cplusplus extern "C" { #endif // __cplusplus #include #include #include /** * @enum SCI_BASE_REQUEST_STATES * * @brief This enumeration depicts all the states for the common request * state machine. */ typedef enum _SCI_BASE_REQUEST_STATES { /** * Simply the initial state for the base request state machine. */ SCI_BASE_REQUEST_STATE_INITIAL, /** * This state indicates that the request has been constructed. This state * is entered from the INITIAL state. */ SCI_BASE_REQUEST_STATE_CONSTRUCTED, /** * This state indicates that the request has been started. This state is * entered from the CONSTRUCTED state. */ SCI_BASE_REQUEST_STATE_STARTED, /** * This state indicates that the request has completed. * This state is entered from the STARTED state. This state is entered from * the ABORTING state. */ SCI_BASE_REQUEST_STATE_COMPLETED, /** * This state indicates that the request is in the process of being * terminated/aborted. * This state is entered from the CONSTRUCTED state. * This state is entered from the STARTED state. */ SCI_BASE_REQUEST_STATE_ABORTING, /** * Simply the final state for the base request state machine. */ SCI_BASE_REQUEST_STATE_FINAL, SCI_BASE_REQUEST_MAX_STATES } SCI_BASE_REQUEST_STATES; /** * @struct SCI_BASE_REQUEST * * @brief The base request object abstracts the fields common to all SCI IO * and task request objects. */ typedef struct SCI_BASE_REQUEST { /** * The field specifies that the parent object for the base request is the * base object itself. */ SCI_BASE_OBJECT_T parent; /** * This field contains the information for the base request state machine. */ SCI_BASE_STATE_MACHINE_T state_machine; #ifdef SCI_LOGGING SCI_BASE_STATE_MACHINE_LOGGER_T state_machine_logger; #endif // SCI_LOGGING } SCI_BASE_REQUEST_T; typedef SCI_STATUS (*SCI_BASE_REQUEST_HANDLER_T)( SCI_BASE_REQUEST_T * this_request ); /** * @struct SCI_BASE_REQUEST_STATE_HANDLER * * @brief This structure contains all of the state handler methods common to * base IO and task request state machines. Handler methods provide * the ability to change the behavior for user requests or * transitions depending on the state the machine is in. * */ typedef struct SCI_BASE_REQUEST_STATE_HANDLER { /** * The start_handler specifies the method invoked when a user attempts to * start a request. */ SCI_BASE_REQUEST_HANDLER_T start_handler; /** * The abort_handler specifies the method invoked when a user attempts to * abort a request. */ SCI_BASE_REQUEST_HANDLER_T abort_handler; /** * The complete_handler specifies the method invoked when a user attempts to * complete a request. */ SCI_BASE_REQUEST_HANDLER_T complete_handler; /** * The destruct_handler specifies the method invoked when a user attempts to * destruct a request. */ SCI_BASE_REQUEST_HANDLER_T destruct_handler; } SCI_BASE_REQUEST_STATE_HANDLER_T; /** * @brief Construct the base request. * * @param[in] this_request This parameter specifies the base request * to be constructed. * @param[in] logger This parameter specifies the logger associated with * this base request object. * @param[in] state_table This parameter specifies the table of state * definitions to be utilized for the request state machine. * * @return none */ void sci_base_request_construct( SCI_BASE_REQUEST_T * this_request, SCI_BASE_LOGGER_T * logger, SCI_BASE_STATE_T * state_table ); #ifdef __cplusplus } #endif // __cplusplus #endif // _SCI_BASE_REQUST_H_