freebsd-nq/sys/sun4v/mdesc/mdesc_bus_subr.c
2006-10-05 06:14:28 +00:00

134 lines
3.7 KiB
C

/*-
* Copyright (c) 2006 Kip Macy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <machine/mdesc_bus_subr.h>
#include <machine/cddl/mdesc.h>
#include <machine/cddl/mdesc_impl.h>
#include "mdesc_bus_if.h"
MALLOC_DEFINE(M_MDPROP, "mdesc", "machine description");
int
mdesc_bus_gen_setup_devinfo(struct mdesc_bus_devinfo *mbd, mde_cookie_t node)
{
md_t *mdp;
if (mbd == NULL)
return (ENOMEM);
mdp = md_get();
/* The 'name' property is considered mandatory. */
if ((md_get_prop_alloc(mdp, node, "name", MDET_PROP_STR, (uint8_t **)&mbd->mbd_name)) == -1)
return (EINVAL);
md_get_prop_alloc(mdp, node, "compatible", MDET_PROP_DAT, (uint8_t **)&mbd->mbd_compat);
md_get_prop_alloc(mdp, node, "device-type", MDET_PROP_STR, (uint8_t **)&mbd->mbd_type);
md_get_prop_val(mdp, node, "cfg-handle", &mbd->mbd_handle);
md_put(mdp);
return (0);
}
void
mdesc_bus_gen_destroy_devinfo(struct mdesc_bus_devinfo *mbd)
{
if (mbd == NULL)
return;
if (mbd->mbd_compat != NULL)
free(mbd->mbd_compat, M_MDPROP);
if (mbd->mbd_name != NULL)
free(mbd->mbd_name, M_MDPROP);
if (mbd->mbd_type != NULL)
free(mbd->mbd_type, M_MDPROP);
}
const char *
mdesc_bus_gen_get_compat(device_t bus, device_t dev)
{
const struct mdesc_bus_devinfo *mbd;
mbd = MDESC_BUS_GET_DEVINFO(bus, dev);
if (mbd == NULL)
return (NULL);
return (mbd->mbd_compat);
}
const char *
mdesc_bus_gen_get_name(device_t bus, device_t dev)
{
const struct mdesc_bus_devinfo *mbd;
mbd = MDESC_BUS_GET_DEVINFO(bus, dev);
if (mbd == NULL)
return (NULL);
return (mbd->mbd_name);
}
const char *
mdesc_bus_gen_get_type(device_t bus, device_t dev)
{
const struct mdesc_bus_devinfo *mbd;
mbd = MDESC_BUS_GET_DEVINFO(bus, dev);
if (mbd == NULL)
return (NULL);
return (mbd->mbd_type);
}
uint64_t
mdesc_bus_gen_get_handle(device_t bus, device_t dev)
{
const struct mdesc_bus_devinfo *mbd;
mbd = MDESC_BUS_GET_DEVINFO(bus, dev);
if (mbd == NULL)
return (0);
return (mbd->mbd_handle);
}