f0d64c6c26
ipmi_isa_attach. This keeps unintended but harmless noise about "ipmi1" from appearing in the boot up sequence. Submitted by: jbh@ (suggested by) Sponsored by: Yahoo! Inc.
287 lines
7.4 KiB
C
287 lines
7.4 KiB
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("$FreeBSD$");
|
|
|
|
#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 <machine/pci_cfgreg.h>
|
|
#include <dev/pci/pcireg.h>
|
|
|
|
#include <isa/isavar.h>
|
|
|
|
#ifdef LOCAL_MODULE
|
|
#include <ipmi.h>
|
|
#include <ipmivars.h>
|
|
#else
|
|
#include <sys/ipmi.h>
|
|
#include <dev/ipmi/ipmivars.h>
|
|
#endif
|
|
|
|
static void
|
|
ipmi_isa_identify(driver_t *driver, device_t parent)
|
|
{
|
|
struct ipmi_get_info info;
|
|
uint32_t devid;
|
|
|
|
if (ipmi_smbios_identify(&info) && info.iface_type != SSIF_MODE &&
|
|
device_find_child(parent, "ipmi", -1) == NULL) {
|
|
/*
|
|
* XXX: Hack alert. On some broken systems, the IPMI
|
|
* interface is described via SMBIOS, but the actual
|
|
* IO resource is in a PCI device BAR, so we have to let
|
|
* the PCI device attach ipmi instead. In that case don't
|
|
* create an isa ipmi device. For now we hardcode the list
|
|
* of bus, device, function tuples.
|
|
*/
|
|
devid = pci_cfgregread(0, 4, 2, PCIR_DEVVENDOR, 4);
|
|
if (devid != 0xffffffff &&
|
|
ipmi_pci_match(devid & 0xffff, devid >> 16) != NULL)
|
|
return;
|
|
BUS_ADD_CHILD(parent, 0, "ipmi", -1);
|
|
}
|
|
}
|
|
|
|
static int
|
|
ipmi_isa_probe(device_t dev)
|
|
{
|
|
|
|
/*
|
|
* Give other drivers precedence. Unfortunately, this doesn't
|
|
* work if we have an SMBIOS table that duplicates a PCI device
|
|
* that's later on the bus than the PCI-ISA bridge.
|
|
*/
|
|
if (ipmi_attached)
|
|
return (ENXIO);
|
|
|
|
/* Skip any PNP devices. */
|
|
if (isa_get_logicalid(dev) != 0)
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, "IPMI System Interface");
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
static int
|
|
ipmi_hint_identify(device_t dev, struct ipmi_get_info *info)
|
|
{
|
|
const char *mode, *name;
|
|
int i, unit, val;
|
|
|
|
/* We require at least a "mode" hint. */
|
|
name = device_get_name(dev);
|
|
unit = device_get_unit(dev);
|
|
if (resource_string_value(name, unit, "mode", &mode) != 0)
|
|
return (0);
|
|
|
|
/* Set the mode and default I/O resources for each mode. */
|
|
bzero(info, sizeof(struct ipmi_get_info));
|
|
if (strcasecmp(mode, "KCS") == 0) {
|
|
info->iface_type = KCS_MODE;
|
|
info->address = 0xca2;
|
|
info->io_mode = 1;
|
|
info->offset = 1;
|
|
} else if (strcasecmp(mode, "SMIC") == 0) {
|
|
info->iface_type = SMIC_MODE;
|
|
info->address = 0xca9;
|
|
info->io_mode = 1;
|
|
info->offset = 1;
|
|
} else if (strcasecmp(mode, "BT") == 0) {
|
|
info->iface_type = BT_MODE;
|
|
info->address = 0xe4;
|
|
info->io_mode = 1;
|
|
info->offset = 1;
|
|
} else {
|
|
device_printf(dev, "Invalid mode %s\n", mode);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Kill any resources that isahint.c might have setup for us
|
|
* since it will conflict with how we do resources.
|
|
*/
|
|
for (i = 0; i < 2; i++) {
|
|
bus_delete_resource(dev, SYS_RES_MEMORY, i);
|
|
bus_delete_resource(dev, SYS_RES_IOPORT, i);
|
|
}
|
|
|
|
/* Allow the I/O address to be overriden via hints. */
|
|
if (resource_int_value(name, unit, "port", &val) == 0 && val != 0) {
|
|
info->address = val;
|
|
info->io_mode = 1;
|
|
} else if (resource_int_value(name, unit, "maddr", &val) == 0 &&
|
|
val != 0) {
|
|
info->address = val;
|
|
info->io_mode = 0;
|
|
}
|
|
|
|
/* Allow the spacing to be overriden. */
|
|
if (resource_int_value(name, unit, "spacing", &val) == 0) {
|
|
switch (val) {
|
|
case 8:
|
|
info->offset = 1;
|
|
break;
|
|
case 16:
|
|
info->offset = 2;
|
|
break;
|
|
case 32:
|
|
info->offset = 4;
|
|
break;
|
|
default:
|
|
device_printf(dev, "Invalid register spacing\n");
|
|
return (0);
|
|
}
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
static int
|
|
ipmi_isa_attach(device_t dev)
|
|
{
|
|
struct ipmi_softc *sc = device_get_softc(dev);
|
|
struct ipmi_get_info info;
|
|
const char *mode;
|
|
int count, error, i, type;
|
|
|
|
/*
|
|
* Pull info out of the SMBIOS table. If that doesn't work, use
|
|
* hints to enumerate a device.
|
|
*/
|
|
if (!ipmi_smbios_identify(&info) &&
|
|
!ipmi_hint_identify(dev, &info))
|
|
return (ENXIO);
|
|
|
|
switch (info.iface_type) {
|
|
case KCS_MODE:
|
|
count = 2;
|
|
mode = "KCS";
|
|
break;
|
|
case SMIC_MODE:
|
|
count = 3;
|
|
mode = "SMIC";
|
|
break;
|
|
case BT_MODE:
|
|
device_printf(dev, "BT mode is unsupported\n");
|
|
return (ENXIO);
|
|
default:
|
|
return (ENXIO);
|
|
}
|
|
error = 0;
|
|
sc->ipmi_dev = dev;
|
|
|
|
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_type = type;
|
|
sc->ipmi_io_spacing = info.offset;
|
|
if (info.offset == 1) {
|
|
sc->ipmi_io_rid = 0;
|
|
sc->ipmi_io_res[0] = bus_alloc_resource(dev, type,
|
|
&sc->ipmi_io_rid, info.address, info.address + count - 1,
|
|
count, RF_ACTIVE);
|
|
if (sc->ipmi_io_res[0] == NULL) {
|
|
device_printf(dev, "couldn't configure I/O resource\n");
|
|
return (ENXIO);
|
|
}
|
|
} else {
|
|
for (i = 0; i < count; i++) {
|
|
sc->ipmi_io_rid = i;
|
|
sc->ipmi_io_res[i] = bus_alloc_resource(dev, type,
|
|
&sc->ipmi_io_rid, info.address + i * info.offset,
|
|
info.address + i * info.offset, 1, RF_ACTIVE);
|
|
if (sc->ipmi_io_res[i] == NULL) {
|
|
device_printf(dev,
|
|
"couldn't configure I/O resource\n");
|
|
error = ENXIO;
|
|
sc->ipmi_io_rid = 0;
|
|
goto bad;
|
|
}
|
|
}
|
|
sc->ipmi_io_rid = 0;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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_identify, ipmi_isa_identify),
|
|
DEVMETHOD(device_probe, ipmi_isa_probe),
|
|
DEVMETHOD(device_attach, ipmi_isa_attach),
|
|
DEVMETHOD(device_detach, ipmi_detach),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ipmi_isa_driver = {
|
|
"ipmi",
|
|
ipmi_methods,
|
|
sizeof(struct ipmi_softc),
|
|
};
|
|
|
|
DRIVER_MODULE(ipmi_isa, isa, ipmi_isa_driver, ipmi_devclass, 0, 0);
|