2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
35 #include <sys/condvar.h>
36 #include <sys/eventhandler.h>
37 #include <sys/kernel.h>
38 #include <sys/module.h>
40 #include <sys/selinfo.h>
42 #include <dev/pci/pcireg.h>
43 #include <dev/pci/pcivar.h>
48 #include <dev/ipmi/ipmivars.h>
51 static int ipmi_pci_probe(device_t dev);
52 static int ipmi_pci_attach(device_t dev);
54 static struct ipmi_ident
59 } ipmi_identifiers[] = {
60 {0x1028, 0x000d, "Dell PE2650 SMIC interface"},
65 ipmi_pci_match(uint16_t vendor, uint16_t device)
69 for (m = ipmi_identifiers; m->vendor != 0; m++)
70 if (m->vendor == vendor && m->device == device)
76 ipmi_pci_probe(device_t dev)
83 desc = ipmi_pci_match(pci_get_vendor(dev), pci_get_device(dev));
85 device_set_desc(dev, desc);
86 return (BUS_PROBE_DEFAULT);
93 ipmi_pci_attach(device_t dev)
95 struct ipmi_softc *sc = device_get_softc(dev);
96 struct ipmi_get_info info;
100 /* Look for an IPMI entry in the SMBIOS table. */
101 if (!ipmi_smbios_identify(&info))
106 switch (info.iface_type) {
114 device_printf(dev, "BT mode is unsupported\n");
117 device_printf(dev, "No IPMI interface found\n");
121 device_printf(dev, "%s mode found at %s 0x%jx alignment 0x%x on %s\n",
122 mode, info.io_mode ? "io" : "mem",
123 (uintmax_t)info.address, info.offset,
124 device_get_name(device_get_parent(dev)));
126 type = SYS_RES_IOPORT;
128 type = SYS_RES_MEMORY;
130 sc->ipmi_io_rid = PCIR_BAR(0);
131 sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
132 &sc->ipmi_io_rid, RF_ACTIVE);
133 sc->ipmi_io_type = type;
134 sc->ipmi_io_spacing = info.offset;
136 if (sc->ipmi_io_res[0] == NULL) {
137 device_printf(dev, "couldn't configure pci io res\n");
141 sc->ipmi_irq_rid = 0;
142 sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
143 &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);
145 switch (info.iface_type) {
147 error = ipmi_kcs_attach(sc);
152 error = ipmi_smic_attach(sc);
157 error = ipmi_attach(dev);
163 ipmi_release_resources(dev);
167 static 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),
175 static driver_t ipmi_pci_driver = {
178 sizeof(struct ipmi_softc)
181 DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, ipmi_devclass, 0, 0);
183 /* Native IPMI on PCI driver. */
186 ipmi2_pci_probe(device_t dev)
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);
199 ipmi2_pci_attach(device_t dev)
201 struct ipmi_softc *sc;
202 int error, iface, type;
204 sc = device_get_softc(dev);
207 /* Interface is determined by progif. */
208 switch (pci_get_progif(dev)) {
209 case PCIP_SERIALBUS_IPMI_SMIC:
212 case PCIP_SERIALBUS_IPMI_KCS:
215 case PCIP_SERIALBUS_IPMI_BT:
217 device_printf(dev, "BT interface unsupported\n");
220 device_printf(dev, "Unsupported interface: %d\n",
221 pci_get_progif(dev));
225 /* Check the BAR to determine our resource type. */
226 sc->ipmi_io_rid = PCIR_BAR(0);
227 if (PCI_BAR_IO(pci_read_config(dev, PCIR_BAR(0), 4)))
228 type = SYS_RES_IOPORT;
230 type = SYS_RES_MEMORY;
231 sc->ipmi_io_type = type;
232 sc->ipmi_io_spacing = 1;
233 sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
234 &sc->ipmi_io_rid, RF_ACTIVE);
235 if (sc->ipmi_io_res[0] == NULL) {
236 device_printf(dev, "couldn't map ports/memory\n");
240 sc->ipmi_irq_rid = 0;
241 sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
242 &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);
246 device_printf(dev, "using KSC interface\n");
249 * We have to examine the resource directly to determine the
252 if (!ipmi_kcs_probe_align(sc)) {
253 device_printf(dev, "Unable to determine alignment\n");
258 error = ipmi_kcs_attach(sc);
263 device_printf(dev, "using SMIC interface\n");
265 error = ipmi_smic_attach(sc);
270 error = ipmi_attach(dev);
276 ipmi_release_resources(dev);
280 static device_method_t ipmi2_methods[] = {
281 /* Device interface */
282 DEVMETHOD(device_probe, ipmi2_pci_probe),
283 DEVMETHOD(device_attach, ipmi2_pci_attach),
284 DEVMETHOD(device_detach, ipmi_detach),
288 static driver_t ipmi2_pci_driver = {
291 sizeof(struct ipmi_softc)
294 DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, ipmi_devclass, 0, 0);