1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <libintl.h>
30*0Sstevel@tonic-gate #include "volume_request.h"
31*0Sstevel@tonic-gate #include "volume_error.h"
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate /*
34*0Sstevel@tonic-gate * Methods which manipulate a request_t struct
35*0Sstevel@tonic-gate */
36*0Sstevel@tonic-gate
37*0Sstevel@tonic-gate /*
38*0Sstevel@tonic-gate * Constructor: Create a request_t struct. This request_t must be
39*0Sstevel@tonic-gate * freed.
40*0Sstevel@tonic-gate *
41*0Sstevel@tonic-gate * @param request
42*0Sstevel@tonic-gate * RETURN: a pointer to a new request_t
43*0Sstevel@tonic-gate *
44*0Sstevel@tonic-gate * @return 0
45*0Sstevel@tonic-gate * if successful
46*0Sstevel@tonic-gate *
47*0Sstevel@tonic-gate * @return non-zero
48*0Sstevel@tonic-gate * if an error occurred. Use get_error_string() to
49*0Sstevel@tonic-gate * retrieve the associated error message.
50*0Sstevel@tonic-gate */
51*0Sstevel@tonic-gate int
new_request(request_t ** request)52*0Sstevel@tonic-gate new_request(
53*0Sstevel@tonic-gate request_t **request)
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate int error;
56*0Sstevel@tonic-gate devconfig_t *diskset_req;
57*0Sstevel@tonic-gate devconfig_t *diskset_config;
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate *request = (request_t *)calloc(1, sizeof (request_t));
60*0Sstevel@tonic-gate if (*request == NULL) {
61*0Sstevel@tonic-gate (void) volume_set_error(gettext("new_request calloc() failed\n"));
62*0Sstevel@tonic-gate return (-1);
63*0Sstevel@tonic-gate }
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate /* Create a new diskset_req */
66*0Sstevel@tonic-gate if ((error = new_devconfig(&diskset_req, TYPE_DISKSET)) != 0) {
67*0Sstevel@tonic-gate free_request(*request);
68*0Sstevel@tonic-gate return (error);
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate request_set_diskset_req(*request, diskset_req);
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate /* Create a new diskset_config */
73*0Sstevel@tonic-gate if ((error = new_devconfig(&diskset_config, TYPE_DISKSET)) != 0) {
74*0Sstevel@tonic-gate free_request(*request);
75*0Sstevel@tonic-gate return (error);
76*0Sstevel@tonic-gate }
77*0Sstevel@tonic-gate request_set_diskset_config(*request, diskset_config);
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate return (0);
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate
82*0Sstevel@tonic-gate /*
83*0Sstevel@tonic-gate * Free memory (recursively) allocated to a request_t struct
84*0Sstevel@tonic-gate *
85*0Sstevel@tonic-gate * @param arg
86*0Sstevel@tonic-gate * pointer to the request_t struct to free
87*0Sstevel@tonic-gate */
88*0Sstevel@tonic-gate void
free_request(void * arg)89*0Sstevel@tonic-gate free_request(
90*0Sstevel@tonic-gate void *arg)
91*0Sstevel@tonic-gate {
92*0Sstevel@tonic-gate request_t *request = (request_t *)arg;
93*0Sstevel@tonic-gate
94*0Sstevel@tonic-gate if (request == NULL) {
95*0Sstevel@tonic-gate return;
96*0Sstevel@tonic-gate }
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate /* Free the diskset_req */
99*0Sstevel@tonic-gate if (request->diskset_req != NULL) {
100*0Sstevel@tonic-gate free_devconfig(request->diskset_req);
101*0Sstevel@tonic-gate }
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate /* Free the diskset_config */
104*0Sstevel@tonic-gate if (request->diskset_config != NULL) {
105*0Sstevel@tonic-gate free_devconfig(request->diskset_config);
106*0Sstevel@tonic-gate }
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate /* Free the devconfig itself */
109*0Sstevel@tonic-gate free(request);
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate
112*0Sstevel@tonic-gate /*
113*0Sstevel@tonic-gate * Set the disk set at the top of the request hierarchy
114*0Sstevel@tonic-gate *
115*0Sstevel@tonic-gate * @param request
116*0Sstevel@tonic-gate * The request_t representing the request to modify
117*0Sstevel@tonic-gate *
118*0Sstevel@tonic-gate * @param diskset
119*0Sstevel@tonic-gate * The devconfig_t representing the toplevel (disk set)
120*0Sstevel@tonic-gate * device in the volume request hierarchy
121*0Sstevel@tonic-gate */
122*0Sstevel@tonic-gate void
request_set_diskset_req(request_t * request,devconfig_t * diskset)123*0Sstevel@tonic-gate request_set_diskset_req(
124*0Sstevel@tonic-gate request_t *request,
125*0Sstevel@tonic-gate devconfig_t *diskset)
126*0Sstevel@tonic-gate {
127*0Sstevel@tonic-gate request->diskset_req = diskset;
128*0Sstevel@tonic-gate }
129*0Sstevel@tonic-gate
130*0Sstevel@tonic-gate /*
131*0Sstevel@tonic-gate * Get the disk set at the top of the request hierarchy
132*0Sstevel@tonic-gate *
133*0Sstevel@tonic-gate * @param request
134*0Sstevel@tonic-gate * The request_t representing the request to examine
135*0Sstevel@tonic-gate *
136*0Sstevel@tonic-gate * @return The devconfig_t representing the toplevel (disk set)
137*0Sstevel@tonic-gate * device in the volume request hierarchy
138*0Sstevel@tonic-gate */
139*0Sstevel@tonic-gate devconfig_t *
request_get_diskset_req(request_t * request)140*0Sstevel@tonic-gate request_get_diskset_req(
141*0Sstevel@tonic-gate request_t *request)
142*0Sstevel@tonic-gate {
143*0Sstevel@tonic-gate return (request->diskset_req);
144*0Sstevel@tonic-gate }
145*0Sstevel@tonic-gate
146*0Sstevel@tonic-gate /*
147*0Sstevel@tonic-gate * Set/get the disk set at the top of the proposed volume hierarchy
148*0Sstevel@tonic-gate *
149*0Sstevel@tonic-gate * @param request
150*0Sstevel@tonic-gate * The request_t representing the request to modify
151*0Sstevel@tonic-gate *
152*0Sstevel@tonic-gate * @param diskset
153*0Sstevel@tonic-gate * The devconfig_t representing the toplevel (disk set)
154*0Sstevel@tonic-gate * device in the proposed volume hierarchy
155*0Sstevel@tonic-gate */
156*0Sstevel@tonic-gate void
request_set_diskset_config(request_t * request,devconfig_t * diskset)157*0Sstevel@tonic-gate request_set_diskset_config(
158*0Sstevel@tonic-gate request_t *request,
159*0Sstevel@tonic-gate devconfig_t *diskset)
160*0Sstevel@tonic-gate {
161*0Sstevel@tonic-gate request->diskset_config = diskset;
162*0Sstevel@tonic-gate }
163*0Sstevel@tonic-gate
164*0Sstevel@tonic-gate /*
165*0Sstevel@tonic-gate * Get the disk set at the top of the request hierarchy
166*0Sstevel@tonic-gate *
167*0Sstevel@tonic-gate * @param request
168*0Sstevel@tonic-gate * The request_t representing the request to examine
169*0Sstevel@tonic-gate *
170*0Sstevel@tonic-gate * @return The devconfig_t representing the toplevel (disk set)
171*0Sstevel@tonic-gate * device in the proposed volume hierarchy
172*0Sstevel@tonic-gate */
173*0Sstevel@tonic-gate devconfig_t *
request_get_diskset_config(request_t * request)174*0Sstevel@tonic-gate request_get_diskset_config(
175*0Sstevel@tonic-gate request_t *request)
176*0Sstevel@tonic-gate {
177*0Sstevel@tonic-gate return (request->diskset_config);
178*0Sstevel@tonic-gate }
179