dapl_get_consumer_context.c revision 9517:b4839b0aa7a4
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved. 24 */ 25 26/* 27 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31/* 32 * 33 * MODULE: dapl_get_consumer_context.c 34 * 35 * PURPOSE: Interface Adapter management 36 * Description: Interfaces in this file are completely described in 37 * the DAPL 1.1 API, Chapter 6, section 2 38 * 39 * $Id: dapl_get_consumer_context.c,v 1.5 2003/08/20 13:50:45 sjs2 Exp $ 40 */ 41 42#include "dapl.h" 43 44/* 45 * dapl_get_consumer_context 46 * 47 * DAPL Requirements Version xxx, 6.2.2.2 48 * 49 * Gets the consumer context from the specified dat_object 50 * 51 * Input: 52 * dat_handle 53 * 54 * Output: 55 * context 56 * 57 * Returns: 58 * DAT_SUCCESS 59 * DAT_INVALID_PARAMETER 60 */ 61DAT_RETURN 62dapl_get_consumer_context( 63 IN DAT_HANDLE dat_handle, 64 OUT DAT_CONTEXT *context) 65{ 66 DAT_RETURN dat_status; 67 DAPL_HEADER *header; 68 69 dat_status = DAT_SUCCESS; 70 71 header = (DAPL_HEADER *)dat_handle; 72 if (((header) == NULL) || 73 ((unsigned long)(header) & 3) || 74 (header->magic != DAPL_MAGIC_IA && 75 header->magic != DAPL_MAGIC_EVD && 76 header->magic != DAPL_MAGIC_EP && 77 header->magic != DAPL_MAGIC_LMR && 78 header->magic != DAPL_MAGIC_RMR && 79 header->magic != DAPL_MAGIC_PZ && 80 header->magic != DAPL_MAGIC_PSP && 81 header->magic != DAPL_MAGIC_RSP && 82 header->magic != DAPL_MAGIC_CR)) { 83 dat_status = DAT_ERROR(DAT_INVALID_HANDLE, 0); 84 goto bail; 85 } 86 *context = header->user_context; 87 88bail: 89 return (dat_status); 90} 91