1*c87dd6b7SRajkumar Sivaprakasam /*
2*c87dd6b7SRajkumar Sivaprakasam * CDDL HEADER START
3*c87dd6b7SRajkumar Sivaprakasam *
4*c87dd6b7SRajkumar Sivaprakasam * The contents of this file are subject to the terms of the
5*c87dd6b7SRajkumar Sivaprakasam * Common Development and Distribution License (the "License").
6*c87dd6b7SRajkumar Sivaprakasam * You may not use this file except in compliance with the License.
7*c87dd6b7SRajkumar Sivaprakasam *
8*c87dd6b7SRajkumar Sivaprakasam * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*c87dd6b7SRajkumar Sivaprakasam * or http://www.opensolaris.org/os/licensing.
10*c87dd6b7SRajkumar Sivaprakasam * See the License for the specific language governing permissions
11*c87dd6b7SRajkumar Sivaprakasam * and limitations under the License.
12*c87dd6b7SRajkumar Sivaprakasam *
13*c87dd6b7SRajkumar Sivaprakasam * When distributing Covered Code, include this CDDL HEADER in each
14*c87dd6b7SRajkumar Sivaprakasam * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*c87dd6b7SRajkumar Sivaprakasam * If applicable, add the following below this CDDL HEADER, with the
16*c87dd6b7SRajkumar Sivaprakasam * fields enclosed by brackets "[]" replaced with your own identifying
17*c87dd6b7SRajkumar Sivaprakasam * information: Portions Copyright [yyyy] [name of copyright owner]
18*c87dd6b7SRajkumar Sivaprakasam *
19*c87dd6b7SRajkumar Sivaprakasam * CDDL HEADER END
20*c87dd6b7SRajkumar Sivaprakasam */
21*c87dd6b7SRajkumar Sivaprakasam /*
22*c87dd6b7SRajkumar Sivaprakasam * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23*c87dd6b7SRajkumar Sivaprakasam */
24*c87dd6b7SRajkumar Sivaprakasam
25*c87dd6b7SRajkumar Sivaprakasam #include <sys/types.h>
26*c87dd6b7SRajkumar Sivaprakasam #include <sys/kmem.h>
27*c87dd6b7SRajkumar Sivaprakasam #include <sys/ksynch.h>
28*c87dd6b7SRajkumar Sivaprakasam #include <sys/ib/ibtl/ibti_common.h>
29*c87dd6b7SRajkumar Sivaprakasam
30*c87dd6b7SRajkumar Sivaprakasam kmutex_t ibtl_part_attr_mutex;
31*c87dd6b7SRajkumar Sivaprakasam ibt_status_t (*ibtl_get_part_attr_cb)(datalink_id_t, ibt_part_attr_t *);
32*c87dd6b7SRajkumar Sivaprakasam ibt_status_t (*ibtl_get_all_part_attr_cb)(ibt_part_attr_t **, int *);
33*c87dd6b7SRajkumar Sivaprakasam
34*c87dd6b7SRajkumar Sivaprakasam void
ibt_register_part_attr_cb(ibt_status_t (* get_part_attr)(datalink_id_t,ibt_part_attr_t *),ibt_status_t (* get_all_part_attr)(ibt_part_attr_t **,int *))35*c87dd6b7SRajkumar Sivaprakasam ibt_register_part_attr_cb(
36*c87dd6b7SRajkumar Sivaprakasam ibt_status_t (*get_part_attr)(datalink_id_t, ibt_part_attr_t *),
37*c87dd6b7SRajkumar Sivaprakasam ibt_status_t (*get_all_part_attr)(ibt_part_attr_t **, int *))
38*c87dd6b7SRajkumar Sivaprakasam {
39*c87dd6b7SRajkumar Sivaprakasam mutex_enter(&ibtl_part_attr_mutex);
40*c87dd6b7SRajkumar Sivaprakasam ibtl_get_part_attr_cb = get_part_attr;
41*c87dd6b7SRajkumar Sivaprakasam ibtl_get_all_part_attr_cb = get_all_part_attr;
42*c87dd6b7SRajkumar Sivaprakasam mutex_exit(&ibtl_part_attr_mutex);
43*c87dd6b7SRajkumar Sivaprakasam }
44*c87dd6b7SRajkumar Sivaprakasam
45*c87dd6b7SRajkumar Sivaprakasam void
ibt_unregister_part_attr_cb(void)46*c87dd6b7SRajkumar Sivaprakasam ibt_unregister_part_attr_cb(void)
47*c87dd6b7SRajkumar Sivaprakasam {
48*c87dd6b7SRajkumar Sivaprakasam mutex_enter(&ibtl_part_attr_mutex);
49*c87dd6b7SRajkumar Sivaprakasam ibtl_get_part_attr_cb = NULL;
50*c87dd6b7SRajkumar Sivaprakasam ibtl_get_all_part_attr_cb = NULL;
51*c87dd6b7SRajkumar Sivaprakasam mutex_exit(&ibtl_part_attr_mutex);
52*c87dd6b7SRajkumar Sivaprakasam }
53*c87dd6b7SRajkumar Sivaprakasam
54*c87dd6b7SRajkumar Sivaprakasam ibt_status_t
ibt_get_part_attr(datalink_id_t linkid,ibt_part_attr_t * attr)55*c87dd6b7SRajkumar Sivaprakasam ibt_get_part_attr(datalink_id_t linkid, ibt_part_attr_t *attr)
56*c87dd6b7SRajkumar Sivaprakasam {
57*c87dd6b7SRajkumar Sivaprakasam ibt_status_t status;
58*c87dd6b7SRajkumar Sivaprakasam
59*c87dd6b7SRajkumar Sivaprakasam mutex_enter(&ibtl_part_attr_mutex);
60*c87dd6b7SRajkumar Sivaprakasam if (ibtl_get_part_attr_cb != NULL)
61*c87dd6b7SRajkumar Sivaprakasam status = (*ibtl_get_part_attr_cb) (linkid, attr);
62*c87dd6b7SRajkumar Sivaprakasam else
63*c87dd6b7SRajkumar Sivaprakasam status = IBT_NO_SUCH_OBJECT;
64*c87dd6b7SRajkumar Sivaprakasam mutex_exit(&ibtl_part_attr_mutex);
65*c87dd6b7SRajkumar Sivaprakasam
66*c87dd6b7SRajkumar Sivaprakasam return (status);
67*c87dd6b7SRajkumar Sivaprakasam }
68*c87dd6b7SRajkumar Sivaprakasam
69*c87dd6b7SRajkumar Sivaprakasam ibt_status_t
ibt_get_all_part_attr(ibt_part_attr_t ** attr,int * nparts)70*c87dd6b7SRajkumar Sivaprakasam ibt_get_all_part_attr(ibt_part_attr_t **attr, int *nparts)
71*c87dd6b7SRajkumar Sivaprakasam {
72*c87dd6b7SRajkumar Sivaprakasam ibt_status_t status;
73*c87dd6b7SRajkumar Sivaprakasam
74*c87dd6b7SRajkumar Sivaprakasam mutex_enter(&ibtl_part_attr_mutex);
75*c87dd6b7SRajkumar Sivaprakasam if (ibtl_get_all_part_attr_cb != NULL)
76*c87dd6b7SRajkumar Sivaprakasam status = (*ibtl_get_all_part_attr_cb) (attr, nparts);
77*c87dd6b7SRajkumar Sivaprakasam else {
78*c87dd6b7SRajkumar Sivaprakasam *attr = NULL;
79*c87dd6b7SRajkumar Sivaprakasam *nparts = 0;
80*c87dd6b7SRajkumar Sivaprakasam status = IBT_SUCCESS;
81*c87dd6b7SRajkumar Sivaprakasam }
82*c87dd6b7SRajkumar Sivaprakasam mutex_exit(&ibtl_part_attr_mutex);
83*c87dd6b7SRajkumar Sivaprakasam
84*c87dd6b7SRajkumar Sivaprakasam return (status);
85*c87dd6b7SRajkumar Sivaprakasam }
86*c87dd6b7SRajkumar Sivaprakasam
87*c87dd6b7SRajkumar Sivaprakasam ibt_status_t
ibt_free_part_attr(ibt_part_attr_t * attr,int nparts)88*c87dd6b7SRajkumar Sivaprakasam ibt_free_part_attr(ibt_part_attr_t *attr, int nparts)
89*c87dd6b7SRajkumar Sivaprakasam {
90*c87dd6b7SRajkumar Sivaprakasam if (nparts > 0)
91*c87dd6b7SRajkumar Sivaprakasam kmem_free(attr, sizeof (ibt_part_attr_t) * nparts);
92*c87dd6b7SRajkumar Sivaprakasam return (IBT_SUCCESS);
93*c87dd6b7SRajkumar Sivaprakasam }
94