1162562Sjhb/*- 2162562Sjhb * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com> 3162562Sjhb * All rights reserved. 4162562Sjhb * 5162562Sjhb * Redistribution and use in source and binary forms, with or without 6162562Sjhb * modification, are permitted provided that the following conditions 7162562Sjhb * are met: 8162562Sjhb * 1. Redistributions of source code must retain the above copyright 9162562Sjhb * notice, this list of conditions and the following disclaimer. 10162562Sjhb * 2. Redistributions in binary form must reproduce the above copyright 11162562Sjhb * notice, this list of conditions and the following disclaimer in the 12162562Sjhb * documentation and/or other materials provided with the distribution. 13162562Sjhb * 14162562Sjhb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15162562Sjhb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16162562Sjhb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17162562Sjhb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18162562Sjhb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19162562Sjhb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20162562Sjhb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21162562Sjhb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22162562Sjhb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23162562Sjhb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24162562Sjhb * SUCH DAMAGE. 25162562Sjhb */ 26162562Sjhb 27162562Sjhb#include <sys/cdefs.h> 28162562Sjhb__FBSDID("$FreeBSD: releng/10.2/sys/dev/ipmi/ipmi_smbus.c 162562 2006-09-22 22:11:29Z jhb $"); 29162562Sjhb 30162562Sjhb#include <sys/param.h> 31162562Sjhb#include <sys/systm.h> 32162562Sjhb#include <sys/bus.h> 33162562Sjhb#include <sys/condvar.h> 34162562Sjhb#include <sys/eventhandler.h> 35162562Sjhb#include <sys/kernel.h> 36162562Sjhb#include <sys/module.h> 37162562Sjhb#include <sys/rman.h> 38162562Sjhb#include <sys/selinfo.h> 39162562Sjhb 40162562Sjhb#include <dev/smbus/smbconf.h> 41162562Sjhb#include <dev/smbus/smbus.h> 42162562Sjhb#include <dev/smbus/smb.h> 43162562Sjhb 44162562Sjhb#include "smbus_if.h" 45162562Sjhb 46162562Sjhb#ifdef LOCAL_MODULE 47162562Sjhb#include <ipmivars.h> 48162562Sjhb#else 49162562Sjhb#include <dev/ipmi/ipmivars.h> 50162562Sjhb#endif 51162562Sjhb 52162562Sjhbstatic void ipmi_smbus_identify(driver_t *driver, device_t parent); 53162562Sjhbstatic int ipmi_smbus_probe(device_t dev); 54162562Sjhbstatic int ipmi_smbus_attach(device_t dev); 55162562Sjhb 56162562Sjhbstatic void 57162562Sjhbipmi_smbus_identify(driver_t *driver, device_t parent) 58162562Sjhb{ 59162562Sjhb struct ipmi_get_info info; 60162562Sjhb 61162562Sjhb if (ipmi_smbios_identify(&info) && info.iface_type == SSIF_MODE && 62162562Sjhb device_find_child(parent, "ipmi", -1) == NULL) 63162562Sjhb BUS_ADD_CHILD(parent, 0, "ipmi", -1); 64162562Sjhb} 65162562Sjhb 66162562Sjhbstatic int 67162562Sjhbipmi_smbus_probe(device_t dev) 68162562Sjhb{ 69162562Sjhb 70162562Sjhb device_set_desc(dev, "IPMI System Interface"); 71162562Sjhb return (BUS_PROBE_DEFAULT); 72162562Sjhb} 73162562Sjhb 74162562Sjhbstatic int 75162562Sjhbipmi_smbus_attach(device_t dev) 76162562Sjhb{ 77162562Sjhb struct ipmi_softc *sc = device_get_softc(dev); 78162562Sjhb struct ipmi_get_info info; 79162562Sjhb int error; 80162562Sjhb 81162562Sjhb /* This should never fail. */ 82162562Sjhb if (!ipmi_smbios_identify(&info)) 83162562Sjhb return (ENXIO); 84162562Sjhb 85162562Sjhb if (info.iface_type != SSIF_MODE) { 86162562Sjhb device_printf(dev, "No SSIF IPMI interface found\n"); 87162562Sjhb return (ENXIO); 88162562Sjhb } 89162562Sjhb 90162562Sjhb sc->ipmi_dev = dev; 91162562Sjhb 92162562Sjhb if (info.irq != 0) { 93162562Sjhb sc->ipmi_irq_rid = 0; 94162562Sjhb sc->ipmi_irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, 95162562Sjhb &sc->ipmi_irq_rid, info.irq, info.irq, 1, 96162562Sjhb RF_SHAREABLE | RF_ACTIVE); 97162562Sjhb } 98162562Sjhb 99162562Sjhb device_printf(dev, "SSIF mode found at address 0x%llx on %s\n", 100162562Sjhb (long long)info.address, device_get_name(device_get_parent(dev))); 101162562Sjhb error = ipmi_ssif_attach(sc, device_get_parent(dev), info.address); 102162562Sjhb if (error) 103162562Sjhb goto bad; 104162562Sjhb 105162562Sjhb error = ipmi_attach(dev); 106162562Sjhb if (error) 107162562Sjhb goto bad; 108162562Sjhb 109162562Sjhb return (0); 110162562Sjhbbad: 111162562Sjhb ipmi_release_resources(dev); 112162562Sjhb return (error); 113162562Sjhb} 114162562Sjhb 115162562Sjhbstatic device_method_t ipmi_methods[] = { 116162562Sjhb /* Device interface */ 117162562Sjhb DEVMETHOD(device_identify, ipmi_smbus_identify), 118162562Sjhb DEVMETHOD(device_probe, ipmi_smbus_probe), 119162562Sjhb DEVMETHOD(device_attach, ipmi_smbus_attach), 120162562Sjhb DEVMETHOD(device_detach, ipmi_detach), 121162562Sjhb { 0, 0 } 122162562Sjhb}; 123162562Sjhb 124162562Sjhbstatic driver_t ipmi_smbus_driver = { 125162562Sjhb "ipmi", 126162562Sjhb ipmi_methods, 127162562Sjhb sizeof(struct ipmi_softc) 128162562Sjhb}; 129162562Sjhb 130162562SjhbDRIVER_MODULE(ipmi_smbus, smbus, ipmi_smbus_driver, ipmi_devclass, 0, 0); 131162562SjhbMODULE_DEPEND(ipmi_smbus, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER); 132