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_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 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);
}
