/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
*
* MODULE: dapl_cr_util.c
*
* PURPOSE: Manage CR (Connection Request) structure
*
* $Id: dapl_cr_util.c,v 1.7 2003/08/08 19:20:05 sjs2 Exp $
*/
#include "dapl.h"
#include "dapl_cr_util.h"
/*
* dapls_cr_create
*
* Create a CR. Part of the passive side of a connection
*
* Input:
* ia_ptr
* cno_ptr
* qlen
* evd_flags
*
* Output:
* evd_ptr_ptr
*
* Returns:
* none
*
*/
DAPL_CR *
dapls_cr_alloc(
DAPL_IA *ia_ptr)
{
DAPL_CR *cr_ptr;
/* Allocate EP */
cr_ptr = (DAPL_CR *)dapl_os_alloc(sizeof (DAPL_CR));
if (cr_ptr == NULL) {
return (NULL);
}
/* zero the structure */
(void) dapl_os_memzero(cr_ptr, sizeof (DAPL_CR));
/*
* initialize the header
*/
cr_ptr->header.provider = ia_ptr->header.provider;
cr_ptr->header.magic = DAPL_MAGIC_CR;
cr_ptr->header.handle_type = DAT_HANDLE_TYPE_CR;
cr_ptr->header.owner_ia = ia_ptr;
cr_ptr->header.user_context.as_64 = 0;
cr_ptr->header.user_context.as_ptr = NULL;
dapl_llist_init_entry(&cr_ptr->header.ia_list_entry);
dapl_os_lock_init(&cr_ptr->header.lock);
return (cr_ptr);
}
/*
* dapls_cr_free
*
* Free the passed in EP structure.
*
* Input:
* entry point pointer
*
* Output:
* none
*
* Returns:
* none
*
*/
void
dapls_cr_free(
IN DAPL_CR *cr_ptr)
{
dapl_os_assert(cr_ptr->header.magic == DAPL_MAGIC_CR ||
cr_ptr->header.magic == DAPL_MAGIC_CR_DESTROYED);
/* reset magic to prevent reuse */
cr_ptr->header.magic = DAPL_MAGIC_INVALID;
dapl_os_free(cr_ptr, sizeof (DAPL_CR));
}