| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/mac_stub/@/dev/ipmi/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/mac_stub/@/dev/ipmi/ipmi_pci.c |
/*-
* 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: release/9.1.0/sys/dev/ipmi/ipmi_pci.c 168162 2007-03-31 21:39:02Z jhb $");
#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/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#ifdef LOCAL_MODULE
#include <ipmivars.h>
#else
#include <dev/ipmi/ipmivars.h>
#endif
static int ipmi_pci_probe(device_t dev);
static int ipmi_pci_attach(device_t dev);
static struct ipmi_ident
{
u_int16_t vendor;
u_int16_t device;
char *desc;
} ipmi_identifiers[] = {
{0x1028, 0x000d, "Dell PE2650 SMIC interface"},
{0, 0, 0}
};
const char *
ipmi_pci_match(uint16_t vendor, uint16_t device)
{
struct ipmi_ident *m;
for (m = ipmi_identifiers; m->vendor != 0; m++)
if (m->vendor == vendor && m->device == device)
return (m->desc);
return (NULL);
}
static int
ipmi_pci_probe(device_t dev)
{
const char *desc;
if (ipmi_attached)
return (ENXIO);
desc = ipmi_pci_match(pci_get_vendor(dev), pci_get_device(dev));
if (desc != NULL) {
device_set_desc(dev, desc);
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
ipmi_pci_attach(device_t dev)
{
struct ipmi_softc *sc = device_get_softc(dev);
struct ipmi_get_info info;
const char *mode;
int error, type;
/* Look for an IPMI entry in the SMBIOS table. */
if (!ipmi_smbios_identify(&info))
return (ENXIO);
sc->ipmi_dev = dev;
switch (info.iface_type) {
case KCS_MODE:
mode = "KCS";
break;
case SMIC_MODE:
mode = "SMIC";
break;
case BT_MODE:
device_printf(dev, "BT mode is unsupported\n");
return (ENXIO);
default:
device_printf(dev, "No IPMI interface found\n");
return (ENXIO);
}
device_printf(dev, "%s mode found at %s 0x%jx alignment 0x%x on %s\n",
mode, info.io_mode ? "io" : "mem",
(uintmax_t)info.address, info.offset,
device_get_name(device_get_parent(dev)));
if (info.io_mode)
type = SYS_RES_IOPORT;
else
type = SYS_RES_MEMORY;
sc->ipmi_io_rid = PCIR_BAR(0);
sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
&sc->ipmi_io_rid, RF_ACTIVE);
sc->ipmi_io_type = type;
sc->ipmi_io_spacing = info.offset;
if (sc->ipmi_io_res[0] == NULL) {
device_printf(dev, "couldn't configure pci io res\n");
return (ENXIO);
}
sc->ipmi_irq_rid = 0;
sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);
switch (info.iface_type) {
case KCS_MODE:
error = ipmi_kcs_attach(sc);
if (error)
goto bad;
break;
case SMIC_MODE:
error = ipmi_smic_attach(sc);
if (error)
goto bad;
break;
}
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_probe, ipmi_pci_probe),
DEVMETHOD(device_attach, ipmi_pci_attach),
DEVMETHOD(device_detach, ipmi_detach),
{ 0, 0 }
};
static driver_t ipmi_pci_driver = {
"ipmi",
ipmi_methods,
sizeof(struct ipmi_softc)
};
DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, ipmi_devclass, 0, 0);
/* Native IPMI on PCI driver. */
static int
ipmi2_pci_probe(device_t dev)
{
if (pci_get_class(dev) == PCIC_SERIALBUS &&
pci_get_subclass(dev) == PCIS_SERIALBUS_IPMI) {
device_set_desc(dev, "IPMI System Interface");
return (BUS_PROBE_GENERIC);
}
return (ENXIO);
}
static int
ipmi2_pci_attach(device_t dev)
{
struct ipmi_softc *sc;
int error, iface, type;
sc = device_get_softc(dev);
sc->ipmi_dev = dev;
/* Interface is determined by progif. */
switch (pci_get_progif(dev)) {
case PCIP_SERIALBUS_IPMI_SMIC:
iface = SMIC_MODE;
break;
case PCIP_SERIALBUS_IPMI_KCS:
iface = KCS_MODE;
break;
case PCIP_SERIALBUS_IPMI_BT:
iface = BT_MODE;
device_printf(dev, "BT interface unsupported\n");
return (ENXIO);
default:
device_printf(dev, "Unsupported interface: %d\n",
pci_get_progif(dev));
return (ENXIO);
}
/* Check the BAR to determine our resource type. */
sc->ipmi_io_rid = PCIR_BAR(0);
if (PCI_BAR_IO(pci_read_config(dev, PCIR_BAR(0), 4)))
type = SYS_RES_IOPORT;
else
type = SYS_RES_MEMORY;
sc->ipmi_io_type = type;
sc->ipmi_io_spacing = 1;
sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
&sc->ipmi_io_rid, RF_ACTIVE);
if (sc->ipmi_io_res[0] == NULL) {
device_printf(dev, "couldn't map ports/memory\n");
return (ENXIO);
}
sc->ipmi_irq_rid = 0;
sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);
switch (iface) {
case KCS_MODE:
device_printf(dev, "using KSC interface\n");
/*
* We have to examine the resource directly to determine the
* alignment.
*/
if (!ipmi_kcs_probe_align(sc)) {
device_printf(dev, "Unable to determine alignment\n");
error = ENXIO;
goto bad;
}
error = ipmi_kcs_attach(sc);
if (error)
goto bad;
break;
case SMIC_MODE:
device_printf(dev, "using SMIC interface\n");
error = ipmi_smic_attach(sc);
if (error)
goto bad;
break;
}
error = ipmi_attach(dev);
if (error)
goto bad;
return (0);
bad:
ipmi_release_resources(dev);
return (error);
}
static device_method_t ipmi2_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ipmi2_pci_probe),
DEVMETHOD(device_attach, ipmi2_pci_attach),
DEVMETHOD(device_detach, ipmi_detach),
{ 0, 0 }
};
static driver_t ipmi2_pci_driver = {
"ipmi",
ipmi2_methods,
sizeof(struct ipmi_softc)
};
DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, ipmi_devclass, 0, 0);