1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/bus.h> 32#include <sys/condvar.h> 33#include <sys/eventhandler.h> 34#include <sys/kernel.h> 35#include <sys/module.h> 36#include <sys/rman.h> 37#include <sys/selinfo.h> 38#include <sys/efi.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 mode = "BT"; 113 break; 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 error = ENXIO; 144 switch (info.iface_type) { 145 case KCS_MODE: 146 error = ipmi_kcs_attach(sc); 147 break; 148 case SMIC_MODE: 149 error = ipmi_smic_attach(sc); 150 break; 151 case BT_MODE: 152 error = ipmi_bt_attach(sc); 153 break; 154 } 155 if (error) 156 goto bad; 157 error = ipmi_attach(dev); 158 if (error) 159 goto bad; 160 161 return (0); 162bad: 163 ipmi_release_resources(dev); 164 return (error); 165} 166 167static device_method_t ipmi_methods[] = { 168 /* Device interface */ 169 DEVMETHOD(device_probe, ipmi_pci_probe), 170 DEVMETHOD(device_attach, ipmi_pci_attach), 171 DEVMETHOD(device_detach, ipmi_detach), 172 { 0, 0 } 173}; 174 175static driver_t ipmi_pci_driver = { 176 "ipmi", 177 ipmi_methods, 178 sizeof(struct ipmi_softc) 179}; 180 181DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, 0, 0); 182 183/* Native IPMI on PCI driver. */ 184 185static int 186ipmi2_pci_probe(device_t dev) 187{ 188 189 if (pci_get_class(dev) == PCIC_SERIALBUS && 190 pci_get_subclass(dev) == PCIS_SERIALBUS_IPMI) { 191 device_set_desc(dev, "IPMI System Interface"); 192 return (BUS_PROBE_GENERIC); 193 } 194 195 return (ENXIO); 196} 197 198static int 199ipmi2_pci_attach(device_t dev) 200{ 201 struct ipmi_softc *sc; 202 int error, iface, type; 203 204 sc = device_get_softc(dev); 205 sc->ipmi_dev = dev; 206 207 /* Interface is determined by progif. */ 208 switch (pci_get_progif(dev)) { 209 case PCIP_SERIALBUS_IPMI_SMIC: 210 iface = SMIC_MODE; 211 break; 212 case PCIP_SERIALBUS_IPMI_KCS: 213 iface = KCS_MODE; 214 break; 215 case PCIP_SERIALBUS_IPMI_BT: 216 iface = BT_MODE; 217 break; 218 default: 219 device_printf(dev, "Unsupported interface: %d\n", 220 pci_get_progif(dev)); 221 return (ENXIO); 222 } 223 224 /* Check the BAR to determine our resource type. */ 225 sc->ipmi_io_rid = PCIR_BAR(0); 226 if (PCI_BAR_IO(pci_read_config(dev, PCIR_BAR(0), 4))) 227 type = SYS_RES_IOPORT; 228 else 229 type = SYS_RES_MEMORY; 230 sc->ipmi_io_type = type; 231 sc->ipmi_io_spacing = 1; 232 sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type, 233 &sc->ipmi_io_rid, RF_ACTIVE); 234 if (sc->ipmi_io_res[0] == NULL) { 235 device_printf(dev, "couldn't map ports/memory\n"); 236 return (ENXIO); 237 } 238 239 sc->ipmi_irq_rid = 0; 240 sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 241 &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE); 242 243 error = ENXIO; 244 switch (iface) { 245 case KCS_MODE: 246 device_printf(dev, "using KSC interface\n"); 247 248 /* 249 * We have to examine the resource directly to determine the 250 * alignment. 251 */ 252 if (!ipmi_kcs_probe_align(sc)) { 253 device_printf(dev, "Unable to determine alignment\n"); 254 goto bad; 255 } 256 257 error = ipmi_kcs_attach(sc); 258 if (error) 259 goto bad; 260 break; 261 case SMIC_MODE: 262 device_printf(dev, "using SMIC interface\n"); 263 error = ipmi_smic_attach(sc); 264 break; 265 case BT_MODE: 266 device_printf(dev, "using BT interface\n"); 267 error = ipmi_bt_attach(sc); 268 break; 269 } 270 if (error) 271 goto bad; 272 error = ipmi_attach(dev); 273 if (error) 274 goto bad; 275 276 return (0); 277bad: 278 ipmi_release_resources(dev); 279 return (error); 280} 281 282static device_method_t ipmi2_methods[] = { 283 /* Device interface */ 284 DEVMETHOD(device_probe, ipmi2_pci_probe), 285 DEVMETHOD(device_attach, ipmi2_pci_attach), 286 DEVMETHOD(device_detach, ipmi_detach), 287 { 0, 0 } 288}; 289 290static driver_t ipmi2_pci_driver = { 291 "ipmi", 292 ipmi2_methods, 293 sizeof(struct ipmi_softc) 294}; 295 296DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, 0, 0); 297#ifdef ARCH_MAY_USE_EFI 298MODULE_DEPEND(ipmi2_pci, efirt, 1, 1, 1); 299#endif 300