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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: 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);