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/*-
* Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
* 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/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/condvar.h>
#include <sys/eventhandler.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/selinfo.h>
#include <dev/smbus/smbconf.h>
#include <dev/smbus/smbus.h>
#include <dev/smbus/smb.h>
#include "smbus_if.h"
#ifdef LOCAL_MODULE
#include <ipmivars.h>
#else
#include <dev/ipmi/ipmivars.h>
#endif
static void ipmi_smbus_identify(driver_t *driver, device_t parent);
static int ipmi_smbus_probe(device_t dev);
static int ipmi_smbus_attach(device_t dev);
static void
ipmi_smbus_identify(driver_t *driver, device_t parent)
{
struct ipmi_get_info info;
if (ipmi_smbios_identify(&info) && info.iface_type == SSIF_MODE &&
device_find_child(parent, "ipmi", -1) == NULL)
BUS_ADD_CHILD(parent, 0, "ipmi", -1);
}
static int
ipmi_smbus_probe(device_t dev)
{
device_set_desc(dev, "IPMI System Interface");
return (BUS_PROBE_DEFAULT);
}
static int
ipmi_smbus_attach(device_t dev)
{
struct ipmi_softc *sc = device_get_softc(dev);
struct ipmi_get_info info;
int error;
/* This should never fail. */
if (!ipmi_smbios_identify(&info))
return (ENXIO);
if (info.iface_type != SSIF_MODE) {
device_printf(dev, "No SSIF IPMI interface found\n");
return (ENXIO);
}
sc->ipmi_dev = dev;
if (info.irq != 0) {
sc->ipmi_irq_rid = 0;
sc->ipmi_irq_res = bus_alloc_resource(dev, SYS_RES_IRQ,
&sc->ipmi_irq_rid, info.irq, info.irq, 1,
RF_SHAREABLE | RF_ACTIVE);
}
device_printf(dev, "SSIF mode found at address 0x%llx on %s\n",
(long long)info.address, device_get_name(device_get_parent(dev)));
error = ipmi_ssif_attach(sc, device_get_parent(dev), info.address);
if (error)
goto bad;
error = ipmi_attach(dev);
if (error)
goto bad;
return (0);
bad:
ipmi_release_resources(dev);
return (error);
}
static device_method_t ipmi_methods[] = {
/* Device interface */
DEVMETHOD(device_identify, ipmi_smbus_identify),
DEVMETHOD(device_probe, ipmi_smbus_probe),
DEVMETHOD(device_attach, ipmi_smbus_attach),
DEVMETHOD(device_detach, ipmi_detach),
{ 0, 0 }
};
static driver_t ipmi_smbus_driver = {
"ipmi",
ipmi_methods,
sizeof(struct ipmi_softc)
};
DRIVER_MODULE(ipmi_smbus, smbus, ipmi_smbus_driver, ipmi_devclass, 0, 0);
MODULE_DEPEND(ipmi_smbus, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER);
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