1/*- 2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/condvar.h> 34#include <sys/eventhandler.h> 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/rman.h> 38#include <sys/selinfo.h> 39 40#include <dev/pci/pcireg.h> 41#include <dev/pci/pcivar.h> 42 43#ifdef LOCAL_MODULE 44#include <ipmivars.h> 45#else 46#include <dev/ipmi/ipmivars.h> 47#endif 48 49static int ipmi_pci_probe(device_t dev); 50static int ipmi_pci_attach(device_t dev); 51 52static struct ipmi_ident 53{ 54 u_int16_t vendor; 55 u_int16_t device; 56 char *desc; 57} ipmi_identifiers[] = { 58 {0x1028, 0x000d, "Dell PE2650 SMIC interface"}, 59 {0, 0, 0} 60}; 61 62const char * 63ipmi_pci_match(uint16_t vendor, uint16_t device) 64{ 65 struct ipmi_ident *m; 66 67 for (m = ipmi_identifiers; m->vendor != 0; m++) 68 if (m->vendor == vendor && m->device == device) 69 return (m->desc); 70 return (NULL); 71} 72 73static int 74ipmi_pci_probe(device_t dev) 75{ 76 const char *desc; 77 78 if (ipmi_attached) 79 return (ENXIO); 80 81 desc = ipmi_pci_match(pci_get_vendor(dev), pci_get_device(dev)); 82 if (desc != NULL) { 83 device_set_desc(dev, desc); 84 return (BUS_PROBE_DEFAULT); 85 } 86 87 return (ENXIO); 88} 89 90static int 91ipmi_pci_attach(device_t dev) 92{ 93 struct ipmi_softc *sc = device_get_softc(dev); 94 struct ipmi_get_info info; 95 const char *mode; 96 int error, type; 97 98 /* Look for an IPMI entry in the SMBIOS table. */ 99 if (!ipmi_smbios_identify(&info)) 100 return (ENXIO); 101 102 sc->ipmi_dev = dev; 103 104 switch (info.iface_type) { 105 case KCS_MODE: 106 mode = "KCS"; 107 break; 108 case SMIC_MODE: 109 mode = "SMIC"; 110 break; 111 case BT_MODE: 112 device_printf(dev, "BT mode is unsupported\n"); 113 return (ENXIO); 114 default: 115 device_printf(dev, "No IPMI interface found\n"); 116 return (ENXIO); 117 } 118 119 device_printf(dev, "%s mode found at %s 0x%jx alignment 0x%x on %s\n", 120 mode, info.io_mode ? "io" : "mem", 121 (uintmax_t)info.address, info.offset, 122 device_get_name(device_get_parent(dev))); 123 if (info.io_mode) 124 type = SYS_RES_IOPORT; 125 else 126 type = SYS_RES_MEMORY; 127 128 sc->ipmi_io_rid = PCIR_BAR(0); 129 sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type, 130 &sc->ipmi_io_rid, RF_ACTIVE); 131 sc->ipmi_io_type = type; 132 sc->ipmi_io_spacing = info.offset; 133 134 if (sc->ipmi_io_res[0] == NULL) { 135 device_printf(dev, "couldn't configure pci io res\n"); 136 return (ENXIO); 137 } 138 139 sc->ipmi_irq_rid = 0; 140 sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 141 &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE); 142 143 switch (info.iface_type) { 144 case KCS_MODE: 145 error = ipmi_kcs_attach(sc); 146 if (error) 147 goto bad; 148 break; 149 case SMIC_MODE: 150 error = ipmi_smic_attach(sc); 151 if (error) 152 goto bad; 153 break; 154 } 155 error = ipmi_attach(dev); 156 if (error) 157 goto bad; 158 159 return (0); 160bad: 161 ipmi_release_resources(dev); 162 return (error); 163} 164 165static device_method_t ipmi_methods[] = { 166 /* Device interface */ 167 DEVMETHOD(device_probe, ipmi_pci_probe), 168 DEVMETHOD(device_attach, ipmi_pci_attach), 169 DEVMETHOD(device_detach, ipmi_detach), 170 { 0, 0 } 171}; 172 173static driver_t ipmi_pci_driver = { 174 "ipmi", 175 ipmi_methods, 176 sizeof(struct ipmi_softc) 177}; 178 179DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, ipmi_devclass, 0, 0); 180 181/* Native IPMI on PCI driver. */ 182 183static int 184ipmi2_pci_probe(device_t dev) 185{ 186 187 if (pci_get_class(dev) == PCIC_SERIALBUS && 188 pci_get_subclass(dev) == PCIS_SERIALBUS_IPMI) { 189 device_set_desc(dev, "IPMI System Interface"); 190 return (BUS_PROBE_GENERIC); 191 } 192 193 return (ENXIO); 194} 195 196static int 197ipmi2_pci_attach(device_t dev) 198{ 199 struct ipmi_softc *sc; 200 int error, iface, type; 201 202 sc = device_get_softc(dev); 203 sc->ipmi_dev = dev; 204 205 /* Interface is determined by progif. */ 206 switch (pci_get_progif(dev)) { 207 case PCIP_SERIALBUS_IPMI_SMIC: 208 iface = SMIC_MODE; 209 break; 210 case PCIP_SERIALBUS_IPMI_KCS: 211 iface = KCS_MODE; 212 break; 213 case PCIP_SERIALBUS_IPMI_BT: 214 iface = BT_MODE; 215 device_printf(dev, "BT interface unsupported\n"); 216 return (ENXIO); 217 default: 218 device_printf(dev, "Unsupported interface: %d\n", 219 pci_get_progif(dev)); 220 return (ENXIO); 221 } 222 223 /* Check the BAR to determine our resource type. */ 224 sc->ipmi_io_rid = PCIR_BAR(0); 225 if (PCI_BAR_IO(pci_read_config(dev, PCIR_BAR(0), 4))) 226 type = SYS_RES_IOPORT; 227 else 228 type = SYS_RES_MEMORY; 229 sc->ipmi_io_type = type; 230 sc->ipmi_io_spacing = 1; 231 sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type, 232 &sc->ipmi_io_rid, RF_ACTIVE); 233 if (sc->ipmi_io_res[0] == NULL) { 234 device_printf(dev, "couldn't map ports/memory\n"); 235 return (ENXIO); 236 } 237 238 sc->ipmi_irq_rid = 0; 239 sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 240 &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE); 241 242 switch (iface) { 243 case KCS_MODE: 244 device_printf(dev, "using KSC interface\n"); 245 246 /* 247 * We have to examine the resource directly to determine the 248 * alignment. 249 */ 250 if (!ipmi_kcs_probe_align(sc)) { 251 device_printf(dev, "Unable to determine alignment\n"); 252 error = ENXIO; 253 goto bad; 254 } 255 256 error = ipmi_kcs_attach(sc); 257 if (error) 258 goto bad; 259 break; 260 case SMIC_MODE: 261 device_printf(dev, "using SMIC interface\n"); 262 263 error = ipmi_smic_attach(sc); 264 if (error) 265 goto bad; 266 break; 267 } 268 error = ipmi_attach(dev); 269 if (error) 270 goto bad; 271 272 return (0); 273bad: 274 ipmi_release_resources(dev); 275 return (error); 276} 277 278static device_method_t ipmi2_methods[] = { 279 /* Device interface */ 280 DEVMETHOD(device_probe, ipmi2_pci_probe), 281 DEVMETHOD(device_attach, ipmi2_pci_attach), 282 DEVMETHOD(device_detach, ipmi_detach), 283 { 0, 0 } 284}; 285 286static driver_t ipmi2_pci_driver = { 287 "ipmi", 288 ipmi2_methods, 289 sizeof(struct ipmi_softc) 290}; 291 292DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, ipmi_devclass, 0, 0); 293