bootinfo_aux.c revision fa9e4066f08beec538e775443c5be79dd423fcab
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <dhcp_impl.h>
#include <sys/promif.h>
#include <strings.h>
#include <sys/salib.h>
#include <dhcpv4.h>
#include <bootinfo.h>
#include <bootinfo_aux.h>
/*
* Functions dealing with bootinfo initialization/cleanup.
* Both no-ops in the standalone.
*/
boolean_t
bi_init_bootinfo(void)
{
return (B_TRUE);
}
void
bi_end_bootinfo(void)
{
}
/*
* Functions dealing with /chosen data.
*/
boolean_t
bi_get_chosen_prop(const char *name, void *valbuf, size_t *vallenp)
{
static pnode_t chosen;
int len;
/*
* The standalone helpfully provides a function for getting a
* handle on /chosen; it prom_panic()'s if /chosen doesn't exist.
*/
if (chosen == OBP_NONODE) {
chosen = prom_chosennode();
}
/*
* Check for the existence/size of a property with name 'name';
* if found, and the receiving buffer is big enough, copy its value.
* If not, return the length of the buffer that would be needed
* to fullfill the request.
*/
if ((len = prom_getproplen(chosen, (char *)name)) == -1) {
return (B_FALSE);
}
if (len <= *vallenp) {
if (prom_getprop(chosen, (char *)name, (caddr_t)valbuf) == -1) {
return (B_FALSE);
}
}
*vallenp = len;
return (B_TRUE);
}
boolean_t
bi_put_chosen_prop(const char *name, const void *valbuf, size_t vallen,
boolean_t bytes)
{
/*
* Add this property to /chosen.
*/
prom_create_encoded_prop((char *)name, (void *)valbuf, vallen,
(bytes ? ENCODE_BYTES : ENCODE_STRING));
return (B_TRUE);
}
/*
* Function dealing with DHCP data.
*/
boolean_t
bi_get_dhcp_info(uchar_t optcat, uint16_t optcode, uint16_t optsize,
void *valbuf, size_t *vallenp)
{
return (dhcp_getinfo_pl(state_pl, optcat, optcode, optsize, valbuf,
vallenp));
}