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/*
* 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 (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <strings.h>
#include <fcode/private.h>
#include <fcode/log.h>
#include <fcdriver/fcdriver.h>
static char *prop_buf;
static int
getproplen(common_data_t *cdp, fc_phandle_t node, char *propname, int inherit)
{
fc_cell_t len;
char *service;
int error;
service = inherit ? FC_GET_IN_PROPLEN : FC_GET_PKG_PROPLEN;
error = fc_run_priv(cdp, service, 2, 1, fc_phandle2cell(node),
fc_ptr2cell(propname), &len);
if (error)
return (-1);
return (fc_cell2int(len));
}
static int
getprop(common_data_t *cdp, fc_phandle_t node, char *propname, char *buf,
int inherit)
{
fc_cell_t len;
char *service;
int error;
service = inherit ? FC_GET_IN_PROP : FC_GET_PKG_PROP;
error = fc_run_priv(cdp, service, 3, 1, fc_phandle2cell(node),
fc_ptr2cell(buf), fc_ptr2cell(propname), &len);
if (error)
return (-1);
return (fc_cell2int(len));
}
int
os_get_prop_common(common_data_t *cdp, fc_phandle_t node, char *name,
int inherit, char **buf, int *len)
{
int i, j;
char *bp;
i = getproplen(cdp, node, name, inherit);
if (i <= 0) {
/*
* OK for properties to be undefined, suppress error message
* unless some debug is on.
*/
if (get_interpreter_debug_level())
log_message(MSG_ERROR, "os_get_prop_common:"
" getproplen(%s) returned %d\n", name, i);
return (-1);
}
bp = MALLOC(i);
j = getprop(cdp, node, name, bp, inherit);
if (i != j) {
/*
* It's an error if getproplen succeeded but getprop didn't
* return a matching length.
*/
log_message(MSG_ERROR, "os_get_prop_common: getprop(%s)"
" return %d, getproplen returned %d\n", name, j, i);
FREE(bp);
return (-2);
}
memcpy(prop_buf, bp, i);
*buf = prop_buf;
*len = i;
FREE(bp);
return (0);
}
static void
os_get_prop(fcode_env_t *env, int inherit, device_t *dev)
{
fc_phandle_t node;
char *name;
char *prop;
int len;
private_data_t *pd;
ASSERT(dev);
pd = dev->private;
ASSERT(pd);
name = pop_a_string(env, &len);
node = pd->node;
if (node == 0) {
log_message(MSG_ERROR, "os_get_prop: NULL node: %s\n",
get_path(env, dev));
PUSH(DS, TRUE);
} else if (os_get_prop_common(pd->common, node, name, inherit, &prop,
&len)) {
PUSH(DS, TRUE);
} else {
PUSH(DS, (fstack_t)prop);
PUSH(DS, len);
PUSH(DS, FALSE);
}
}
static void
os_get_package_prop(fcode_env_t *env)
{
device_t *dev;
CONVERT_PHANDLE(env, dev, POP(DS));
os_get_prop(env, 0, dev);
}
static void
os_get_inherited_prop(fcode_env_t *env)
{
os_get_prop(env, 1, env->attachment_pt);
}
void
install_property_vectors(fcode_env_t *env, device_t *d)
{
d->vectors.get_package_prop = os_get_package_prop;
d->vectors.get_inherited_prop = os_get_inherited_prop;
}
#pragma init(_init)
static void
_init(void)
{
fcode_env_t *env = initial_env;
ASSERT(env);
NOTICE;
prop_buf = MALLOC(4096);
}
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