2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $FreeBSD: head/sys/dev/ipmi/ipmi_pci.c 168162 2007-03-31 21:39:02Z jhb $
29 #include <sys/param.h>
30 #include <sys/systm.h>
32 #include <sys/condvar.h>
33 #include <sys/eventhandler.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
39 #include <bus/pci/pcireg.h>
40 #include <bus/pci/pcivar.h>
45 #include <dev/misc/ipmi/ipmivars.h>
48 static int ipmi_pci_probe(device_t dev);
49 static int ipmi_pci_attach(device_t dev);
51 static struct ipmi_ident
56 } ipmi_identifiers[] = {
57 {0x1028, 0x000d, "Dell PE2650 SMIC interface"},
62 ipmi_pci_match(uint16_t vendor, uint16_t device)
66 for (m = ipmi_identifiers; m->vendor != 0; m++)
67 if (m->vendor == vendor && m->device == device)
73 ipmi_pci_probe(device_t dev)
80 desc = ipmi_pci_match(pci_get_vendor(dev), pci_get_device(dev));
82 device_set_desc(dev, desc);
83 return (BUS_PROBE_DEFAULT);
90 ipmi_pci_attach(device_t dev)
92 struct ipmi_softc *sc = device_get_softc(dev);
93 struct ipmi_get_info info;
97 /* Look for an IPMI entry in the SMBIOS table. */
98 if (!ipmi_smbios_identify(&info))
103 switch (info.iface_type) {
111 device_printf(dev, "BT mode is unsupported\n");
114 device_printf(dev, "No IPMI interface found\n");
118 device_printf(dev, "%s mode found at %s 0x%jx alignment 0x%x on %s\n",
119 mode, info.io_mode ? "io" : "mem",
120 (uintmax_t)info.address, info.offset,
121 device_get_name(device_get_parent(dev)));
123 type = SYS_RES_IOPORT;
125 type = SYS_RES_MEMORY;
127 sc->ipmi_io_rid = PCIR_BAR(0);
128 sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
129 &sc->ipmi_io_rid, RF_ACTIVE);
130 sc->ipmi_io_type = type;
131 sc->ipmi_io_spacing = info.offset;
133 if (sc->ipmi_io_res[0] == NULL) {
134 device_printf(dev, "couldn't configure pci io res\n");
138 sc->ipmi_irq_rid = 0;
139 sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
140 &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);
142 switch (info.iface_type) {
144 error = ipmi_kcs_attach(sc);
149 error = ipmi_smic_attach(sc);
154 error = ipmi_attach(dev);
160 ipmi_release_resources(dev);
164 static device_method_t ipmi_methods[] = {
165 /* Device interface */
166 DEVMETHOD(device_probe, ipmi_pci_probe),
167 DEVMETHOD(device_attach, ipmi_pci_attach),
168 DEVMETHOD(device_detach, ipmi_detach),
172 static driver_t ipmi_pci_driver = {
175 sizeof(struct ipmi_softc)
178 DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, ipmi_devclass, 0, 0);
180 /* Native IPMI on PCI driver. */
183 ipmi2_pci_probe(device_t dev)
186 if (pci_get_class(dev) == PCIC_SERIALBUS &&
187 pci_get_subclass(dev) == PCIS_SERIALBUS_IPMI) {
188 device_set_desc(dev, "IPMI System Interface");
189 return (BUS_PROBE_GENERIC);
196 ipmi2_pci_attach(device_t dev)
198 struct ipmi_softc *sc;
199 int error, iface, type;
201 sc = device_get_softc(dev);
204 /* Interface is determined by progif. */
205 switch (pci_get_progif(dev)) {
206 case PCIP_SERIALBUS_IPMI_SMIC:
209 case PCIP_SERIALBUS_IPMI_KCS:
212 case PCIP_SERIALBUS_IPMI_BT:
214 device_printf(dev, "BT interface unsupported\n");
217 device_printf(dev, "Unsupported interface: %d\n",
218 pci_get_progif(dev));
222 /* Check the BAR to determine our resource type. */
223 sc->ipmi_io_rid = PCIR_BAR(0);
224 if (PCI_BAR_IO(pci_read_config(dev, PCIR_BAR(0), 4)))
225 type = SYS_RES_IOPORT;
227 type = SYS_RES_MEMORY;
228 sc->ipmi_io_type = type;
229 sc->ipmi_io_spacing = 1;
230 sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
231 &sc->ipmi_io_rid, RF_ACTIVE);
232 if (sc->ipmi_io_res[0] == NULL) {
233 device_printf(dev, "couldn't map ports/memory\n");
237 sc->ipmi_irq_rid = 0;
238 sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
239 &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);
243 device_printf(dev, "using KSC interface\n");
246 * We have to examine the resource directly to determine the
249 if (!ipmi_kcs_probe_align(sc)) {
250 device_printf(dev, "Unable to determine alignment\n");
255 error = ipmi_kcs_attach(sc);
260 device_printf(dev, "using SMIC interface\n");
262 error = ipmi_smic_attach(sc);
267 error = ipmi_attach(dev);
273 ipmi_release_resources(dev);
277 static device_method_t ipmi2_methods[] = {
278 /* Device interface */
279 DEVMETHOD(device_probe, ipmi2_pci_probe),
280 DEVMETHOD(device_attach, ipmi2_pci_attach),
281 DEVMETHOD(device_detach, ipmi_detach),
285 static driver_t ipmi2_pci_driver = {
288 sizeof(struct ipmi_softc)
291 DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, ipmi_devclass, 0, 0);