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, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <sys/types.h>
30 #include <dhcp_impl.h>
31 #include <sys/promif.h>
32 #include <strings.h>
33 #include <sys/salib.h>
34 #include <dhcpv4.h>
35 #include <bootinfo.h>
36 #include <bootinfo_aux.h>
37
38 /*
39 * Functions dealing with bootinfo initialization/cleanup.
40 * Both no-ops in the standalone.
41 */
42 boolean_t
bi_init_bootinfo(void)43 bi_init_bootinfo(void)
44 {
45 return (B_TRUE);
46 }
47
48 void
bi_end_bootinfo(void)49 bi_end_bootinfo(void)
50 {
51 }
52
53 /*
54 * Functions dealing with /chosen data.
55 */
56 boolean_t
bi_get_chosen_prop(const char * name,void * valbuf,size_t * vallenp)57 bi_get_chosen_prop(const char *name, void *valbuf, size_t *vallenp)
58 {
59 static pnode_t chosen;
60 int len;
61
62 /*
63 * The standalone helpfully provides a function for getting a
64 * handle on /chosen; it prom_panic()'s if /chosen doesn't exist.
65 */
66 if (chosen == OBP_NONODE) {
67 chosen = prom_chosennode();
68 }
69
70 /*
71 * Check for the existence/size of a property with name 'name';
72 * if found, and the receiving buffer is big enough, copy its value.
73 * If not, return the length of the buffer that would be needed
74 * to fullfill the request.
75 */
76 if ((len = prom_getproplen(chosen, (char *)name)) == -1) {
77 return (B_FALSE);
78 }
79 if (len <= *vallenp) {
80 if (prom_getprop(chosen, (char *)name, (caddr_t)valbuf) == -1) {
81 return (B_FALSE);
82 }
83 }
84 *vallenp = len;
85
86 return (B_TRUE);
87 }
88
89 boolean_t
bi_put_chosen_prop(const char * name,const void * valbuf,size_t vallen,boolean_t bytes)90 bi_put_chosen_prop(const char *name, const void *valbuf, size_t vallen,
91 boolean_t bytes)
92 {
93 /*
94 * Add this property to /chosen.
95 */
96 prom_create_encoded_prop((char *)name, (void *)valbuf, vallen,
97 (bytes ? ENCODE_BYTES : ENCODE_STRING));
98
99 return (B_TRUE);
100 }
101
102 /*
103 * Function dealing with DHCP data.
104 */
105 boolean_t
bi_get_dhcp_info(uchar_t optcat,uint16_t optcode,uint16_t optsize,void * valbuf,size_t * vallenp)106 bi_get_dhcp_info(uchar_t optcat, uint16_t optcode, uint16_t optsize,
107 void *valbuf, size_t *vallenp)
108 {
109 return (dhcp_getinfo_pl(state_pl, optcat, optcode, optsize, valbuf,
110 vallenp));
111 }
112