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/*
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* Copyright (c) 2010, Mentor Graphics Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of the <ORGANIZATION> nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <openmcapi.h>
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extern mcapi_request_t MCAPI_Free_Request_Structs[];
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/*************************************************************************
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*
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* FUNCTION
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*
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* mcapi_init_request
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*
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* DESCRIPTION
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*
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* Initializes a request structure.
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*
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* INPUTS
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*
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* *request A pointer to the request to initialize.
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* type The type of request.
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*
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* OUTPUTS
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*
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* None.
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*
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*************************************************************************/
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void mcapi_init_request(mcapi_request_t *request, mcapi_uint8_t type)
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{
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/* Zero out the request structure. */
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memset(request, 0, sizeof(mcapi_request_t));
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/* Initialize the common parameters. */
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request->mcapi_requesting_node_id = MCAPI_Node_ID;
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request->mcapi_type = type;
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request->mcapi_status = MCAPI_PENDING;
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}
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/*************************************************************************
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*
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* FUNCTION
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*
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* mcapi_get_free_request_struct
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*
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* DESCRIPTION
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*
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* Returns a free request structure to use for a pending request
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* from a foreign node.
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*
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* INPUTS
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*
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* None.
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*
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* OUTPUTS
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*
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* mcapi_request_t
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* MCAPI_NULL
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*
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*************************************************************************/
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mcapi_request_t *mcapi_get_free_request_struct(void)
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{
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mcapi_request_t *request = MCAPI_NULL;
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int i;
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/* Traverse the list looking for a free entry. */
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for (i = 0; i < MCAPI_FREE_REQUEST_COUNT; i++)
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{
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/* If this entry is available. */
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if (MCAPI_Free_Request_Structs[i].mcapi_type == 0)
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{
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/* Clear any old data from the structure. */
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memset(&MCAPI_Free_Request_Structs[i], 0, sizeof(mcapi_request_t));
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/* Return a pointer to the request struct. */
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request = &MCAPI_Free_Request_Structs[i];
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break;
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}
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}
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return (request);
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}
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/*************************************************************************
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*
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* FUNCTION
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*
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* mcapi_release_request_struct
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*
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* DESCRIPTION
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*
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* Returns the request structure to the free list.
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*
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* INPUTS
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*
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* *req_ptr A pointer to the structure to free.
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*
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* OUTPUTS
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*
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* None.
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*
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*************************************************************************/
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void mcapi_release_request_struct(mcapi_request_t *req_ptr)
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{
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/* Set the structure to available. */
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req_ptr->mcapi_type = 0;
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}
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