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 2004 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_hca_util.c
34*9e39c5baSBill Taylor *
35*9e39c5baSBill Taylor * PURPOSE: Manage HCA structure
36*9e39c5baSBill Taylor *
37*9e39c5baSBill Taylor */
38*9e39c5baSBill Taylor
39*9e39c5baSBill Taylor #include "dapl.h"
40*9e39c5baSBill Taylor #include "dapl_adapter_util.h"
41*9e39c5baSBill Taylor #include "dapl_provider.h"
42*9e39c5baSBill Taylor #include "dapl_hca_util.h"
43*9e39c5baSBill Taylor #include "dapl_hash.h"
44*9e39c5baSBill Taylor
45*9e39c5baSBill Taylor
46*9e39c5baSBill Taylor /*
47*9e39c5baSBill Taylor * dapl_hca_alloc
48*9e39c5baSBill Taylor *
49*9e39c5baSBill Taylor * alloc and initialize an HCA struct
50*9e39c5baSBill Taylor *
51*9e39c5baSBill Taylor * Input:
52*9e39c5baSBill Taylor * name
53*9e39c5baSBill Taylor * port
54*9e39c5baSBill Taylor *
55*9e39c5baSBill Taylor * Output:
56*9e39c5baSBill Taylor * hca_ptr
57*9e39c5baSBill Taylor *
58*9e39c5baSBill Taylor * Returns:
59*9e39c5baSBill Taylor * none
60*9e39c5baSBill Taylor *
61*9e39c5baSBill Taylor */
62*9e39c5baSBill Taylor /* ARGSUSED */
63*9e39c5baSBill Taylor DAPL_HCA *
dapl_hca_alloc(char * name,char * port)64*9e39c5baSBill Taylor dapl_hca_alloc(char *name, char *port)
65*9e39c5baSBill Taylor {
66*9e39c5baSBill Taylor DAPL_HCA *hca_ptr;
67*9e39c5baSBill Taylor
68*9e39c5baSBill Taylor hca_ptr = dapl_os_alloc(sizeof (DAPL_HCA));
69*9e39c5baSBill Taylor if (NULL != hca_ptr) {
70*9e39c5baSBill Taylor (void) dapl_os_memzero(hca_ptr, sizeof (DAPL_HCA));
71*9e39c5baSBill Taylor
72*9e39c5baSBill Taylor if (DAT_SUCCESS ==
73*9e39c5baSBill Taylor dapls_hash_create(DAPL_HASH_TABLE_DEFAULT_CAPACITY,
74*9e39c5baSBill Taylor DAT_TRUE, &hca_ptr->lmr_hash_table)) {
75*9e39c5baSBill Taylor dapl_os_lock_init(&hca_ptr->lock);
76*9e39c5baSBill Taylor dapl_llist_init_head(&hca_ptr->ia_list_head);
77*9e39c5baSBill Taylor
78*9e39c5baSBill Taylor hca_ptr->name = dapl_os_strdup(name);
79*9e39c5baSBill Taylor hca_ptr->ib_hca_handle = IB_INVALID_HANDLE;
80*9e39c5baSBill Taylor hca_ptr->port_num = 0;
81*9e39c5baSBill Taylor hca_ptr->null_ib_cq_handle = IB_INVALID_HANDLE;
82*9e39c5baSBill Taylor } else {
83*9e39c5baSBill Taylor dapl_os_free(hca_ptr, sizeof (DAPL_HCA));
84*9e39c5baSBill Taylor hca_ptr = NULL;
85*9e39c5baSBill Taylor }
86*9e39c5baSBill Taylor }
87*9e39c5baSBill Taylor return (hca_ptr);
88*9e39c5baSBill Taylor }
89*9e39c5baSBill Taylor
90*9e39c5baSBill Taylor /*
91*9e39c5baSBill Taylor * dapl_hca_free
92*9e39c5baSBill Taylor *
93*9e39c5baSBill Taylor * free an IA INFO struct
94*9e39c5baSBill Taylor *
95*9e39c5baSBill Taylor * Input:
96*9e39c5baSBill Taylor * hca_ptr
97*9e39c5baSBill Taylor *
98*9e39c5baSBill Taylor * Output:
99*9e39c5baSBill Taylor * none
100*9e39c5baSBill Taylor *
101*9e39c5baSBill Taylor * Returns:
102*9e39c5baSBill Taylor * none
103*9e39c5baSBill Taylor *
104*9e39c5baSBill Taylor */
105*9e39c5baSBill Taylor void
dapl_hca_free(DAPL_HCA * hca_ptr)106*9e39c5baSBill Taylor dapl_hca_free(DAPL_HCA *hca_ptr)
107*9e39c5baSBill Taylor {
108*9e39c5baSBill Taylor unsigned int len;
109*9e39c5baSBill Taylor
110*9e39c5baSBill Taylor (void) dapls_hash_free(hca_ptr->lmr_hash_table);
111*9e39c5baSBill Taylor if (NULL != hca_ptr->name) {
112*9e39c5baSBill Taylor len = dapl_os_strlen(hca_ptr->name);
113*9e39c5baSBill Taylor /* pacify lint dapl_os_free macro doesn't use len */
114*9e39c5baSBill Taylor len = len;
115*9e39c5baSBill Taylor dapl_os_free(hca_ptr->name, len + 1);
116*9e39c5baSBill Taylor }
117*9e39c5baSBill Taylor
118*9e39c5baSBill Taylor dapl_os_free(hca_ptr, sizeof (DAPL_HCA));
119*9e39c5baSBill Taylor }
120*9e39c5baSBill Taylor
121*9e39c5baSBill Taylor /*
122*9e39c5baSBill Taylor * dapl_hca_link_ia
123*9e39c5baSBill Taylor *
124*9e39c5baSBill Taylor * Add an ia to the HCA structure
125*9e39c5baSBill Taylor *
126*9e39c5baSBill Taylor * Input:
127*9e39c5baSBill Taylor * hca_ptr
128*9e39c5baSBill Taylor * ia_ptr
129*9e39c5baSBill Taylor *
130*9e39c5baSBill Taylor * Output:
131*9e39c5baSBill Taylor * none
132*9e39c5baSBill Taylor *
133*9e39c5baSBill Taylor * Returns:
134*9e39c5baSBill Taylor * none
135*9e39c5baSBill Taylor *
136*9e39c5baSBill Taylor */
137*9e39c5baSBill Taylor void
dapl_hca_link_ia(IN DAPL_HCA * hca_ptr,IN DAPL_IA * ia_ptr)138*9e39c5baSBill Taylor dapl_hca_link_ia(IN DAPL_HCA *hca_ptr, IN DAPL_IA *ia_ptr)
139*9e39c5baSBill Taylor {
140*9e39c5baSBill Taylor dapl_os_lock(&hca_ptr->lock);
141*9e39c5baSBill Taylor dapl_llist_add_head(&hca_ptr->ia_list_head,
142*9e39c5baSBill Taylor &ia_ptr->hca_ia_list_entry, ia_ptr);
143*9e39c5baSBill Taylor dapl_os_unlock(&hca_ptr->lock);
144*9e39c5baSBill Taylor }
145*9e39c5baSBill Taylor
146*9e39c5baSBill Taylor /*
147*9e39c5baSBill Taylor * dapl_hca_unlink_ia
148*9e39c5baSBill Taylor *
149*9e39c5baSBill Taylor * Remove an ia from the hca info structure
150*9e39c5baSBill Taylor *
151*9e39c5baSBill Taylor * Input:
152*9e39c5baSBill Taylor * hca_ptr
153*9e39c5baSBill Taylor * ia_ptr
154*9e39c5baSBill Taylor *
155*9e39c5baSBill Taylor * Output:
156*9e39c5baSBill Taylor * none
157*9e39c5baSBill Taylor *
158*9e39c5baSBill Taylor * Returns:
159*9e39c5baSBill Taylor * none
160*9e39c5baSBill Taylor *
161*9e39c5baSBill Taylor */
162*9e39c5baSBill Taylor void
dapl_hca_unlink_ia(IN DAPL_HCA * hca_ptr,IN DAPL_IA * ia_ptr)163*9e39c5baSBill Taylor dapl_hca_unlink_ia(IN DAPL_HCA *hca_ptr, IN DAPL_IA *ia_ptr)
164*9e39c5baSBill Taylor {
165*9e39c5baSBill Taylor dapl_os_lock(&hca_ptr->lock);
166*9e39c5baSBill Taylor /*
167*9e39c5baSBill Taylor * If an error occurred when we were opening the IA it
168*9e39c5baSBill Taylor * will not be linked on the list; don't unlink an unlinked
169*9e39c5baSBill Taylor * list!
170*9e39c5baSBill Taylor */
171*9e39c5baSBill Taylor if (!dapl_llist_is_empty(&hca_ptr->ia_list_head)) {
172*9e39c5baSBill Taylor (void) dapl_llist_remove_entry(&hca_ptr->ia_list_head,
173*9e39c5baSBill Taylor &ia_ptr->hca_ia_list_entry);
174*9e39c5baSBill Taylor }
175*9e39c5baSBill Taylor dapl_os_unlock(&hca_ptr->lock);
176*9e39c5baSBill Taylor }
177