1*9e39c5baSBill Taylor /*
2*9e39c5baSBill Taylor * CDDL HEADER START
3*9e39c5baSBill Taylor *
4*9e39c5baSBill Taylor * The contents of this file are subject to the terms of the
5*9e39c5baSBill Taylor * Common Development and Distribution License (the "License").
6*9e39c5baSBill Taylor * You may not use this file except in compliance with the License.
7*9e39c5baSBill Taylor *
8*9e39c5baSBill Taylor * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*9e39c5baSBill Taylor * or http://www.opensolaris.org/os/licensing.
10*9e39c5baSBill Taylor * See the License for the specific language governing permissions
11*9e39c5baSBill Taylor * and limitations under the License.
12*9e39c5baSBill Taylor *
13*9e39c5baSBill Taylor * When distributing Covered Code, include this CDDL HEADER in each
14*9e39c5baSBill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*9e39c5baSBill Taylor * If applicable, add the following below this CDDL HEADER, with the
16*9e39c5baSBill Taylor * fields enclosed by brackets "[]" replaced with your own identifying
17*9e39c5baSBill Taylor * information: Portions Copyright [yyyy] [name of copyright owner]
18*9e39c5baSBill Taylor *
19*9e39c5baSBill Taylor * CDDL HEADER END
20*9e39c5baSBill Taylor */
21*9e39c5baSBill Taylor
22*9e39c5baSBill Taylor /*
23*9e39c5baSBill Taylor * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
24*9e39c5baSBill Taylor */
25*9e39c5baSBill Taylor
26*9e39c5baSBill Taylor /*
27*9e39c5baSBill Taylor * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
28*9e39c5baSBill Taylor * Use is subject to license terms.
29*9e39c5baSBill Taylor */
30*9e39c5baSBill Taylor
31*9e39c5baSBill Taylor /*
32*9e39c5baSBill Taylor *
33*9e39c5baSBill Taylor * MODULE: dapl_cno_free.c
34*9e39c5baSBill Taylor *
35*9e39c5baSBill Taylor * PURPOSE: Consumer Notification Object destruction
36*9e39c5baSBill Taylor * Description: Interfaces in this file are completely described in
37*9e39c5baSBill Taylor * the DAPL 1.1 API, Chapter 6, section 3.2.2
38*9e39c5baSBill Taylor *
39*9e39c5baSBill Taylor * $Id: dapl_cno_free.c,v 1.5 2003/06/16 17:53:32 sjs2 Exp $
40*9e39c5baSBill Taylor */
41*9e39c5baSBill Taylor
42*9e39c5baSBill Taylor #include "dapl.h"
43*9e39c5baSBill Taylor #include "dapl_ia_util.h"
44*9e39c5baSBill Taylor #include "dapl_cno_util.h"
45*9e39c5baSBill Taylor #include "dapl_adapter_util.h"
46*9e39c5baSBill Taylor
47*9e39c5baSBill Taylor /*
48*9e39c5baSBill Taylor * dapl_cno_free
49*9e39c5baSBill Taylor *
50*9e39c5baSBill Taylor * DAPL Requirements Version xxx, 6.3.2.2
51*9e39c5baSBill Taylor *
52*9e39c5baSBill Taylor * Destroy a consumer notification object instance
53*9e39c5baSBill Taylor *
54*9e39c5baSBill Taylor * Input:
55*9e39c5baSBill Taylor * cno_handle
56*9e39c5baSBill Taylor *
57*9e39c5baSBill Taylor * Output:
58*9e39c5baSBill Taylor * none
59*9e39c5baSBill Taylor *
60*9e39c5baSBill Taylor * Returns:
61*9e39c5baSBill Taylor * DAT_SUCCESS
62*9e39c5baSBill Taylor * DAT_INVALID_HANDLE
63*9e39c5baSBill Taylor * DAT_INVALID_STATE
64*9e39c5baSBill Taylor */
65*9e39c5baSBill Taylor DAT_RETURN
dapl_cno_free(IN DAT_CNO_HANDLE cno_handle)66*9e39c5baSBill Taylor dapl_cno_free(
67*9e39c5baSBill Taylor IN DAT_CNO_HANDLE cno_handle) /* cno_handle */
68*9e39c5baSBill Taylor {
69*9e39c5baSBill Taylor DAPL_CNO *cno_ptr;
70*9e39c5baSBill Taylor DAT_RETURN dat_status;
71*9e39c5baSBill Taylor
72*9e39c5baSBill Taylor dat_status = DAT_SUCCESS;
73*9e39c5baSBill Taylor cno_ptr = (DAPL_CNO *)cno_handle;
74*9e39c5baSBill Taylor
75*9e39c5baSBill Taylor if (DAPL_BAD_HANDLE(cno_handle, DAPL_MAGIC_CNO)) {
76*9e39c5baSBill Taylor dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
77*9e39c5baSBill Taylor DAT_INVALID_HANDLE_CNO);
78*9e39c5baSBill Taylor goto bail;
79*9e39c5baSBill Taylor }
80*9e39c5baSBill Taylor
81*9e39c5baSBill Taylor if (cno_ptr->cno_ref_count != 0 || cno_ptr->cno_waiters != 0) {
82*9e39c5baSBill Taylor dat_status = DAT_ERROR(DAT_INVALID_STATE,
83*9e39c5baSBill Taylor DAT_INVALID_STATE_CNO_IN_USE);
84*9e39c5baSBill Taylor goto bail;
85*9e39c5baSBill Taylor }
86*9e39c5baSBill Taylor
87*9e39c5baSBill Taylor dapl_os_lock(&cno_ptr->header.lock);
88*9e39c5baSBill Taylor if (!dapl_llist_is_empty(&cno_ptr->evd_list_head)) {
89*9e39c5baSBill Taylor dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
90*9e39c5baSBill Taylor "cno_free: evd list not empty!\n");
91*9e39c5baSBill Taylor dapl_os_unlock(&cno_ptr->header.lock);
92*9e39c5baSBill Taylor dat_status = DAT_ERROR(DAT_INVALID_STATE,
93*9e39c5baSBill Taylor DAT_INVALID_STATE_CNO_IN_USE);
94*9e39c5baSBill Taylor goto bail;
95*9e39c5baSBill Taylor }
96*9e39c5baSBill Taylor dapl_os_unlock(&cno_ptr->header.lock);
97*9e39c5baSBill Taylor
98*9e39c5baSBill Taylor dat_status = dapls_ib_cno_free(cno_ptr);
99*9e39c5baSBill Taylor if (dat_status != DAT_SUCCESS) {
100*9e39c5baSBill Taylor goto bail;
101*9e39c5baSBill Taylor }
102*9e39c5baSBill Taylor
103*9e39c5baSBill Taylor dapl_ia_unlink_cno(cno_ptr->header.owner_ia, cno_ptr);
104*9e39c5baSBill Taylor dapl_cno_dealloc(cno_ptr);
105*9e39c5baSBill Taylor
106*9e39c5baSBill Taylor bail:
107*9e39c5baSBill Taylor return (dat_status);
108*9e39c5baSBill Taylor }
109