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: releng/7.3/sys/dev/ipmi/ipmi_pci.c 168162 2007-03-31 21:39:02Z jhb $");
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
49 static int ipmi_pci_probe(device_t dev);
50 static int ipmi_pci_attach(device_t dev);
51
52 static 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
62 const char *
63 ipmi_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
73 static int
74 ipmi_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
90 static int
91 ipmi_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);
160 bad:
161 ipmi_release_resources(dev);
162 return (error);
163 }
164
165 static 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
173 static driver_t ipmi_pci_driver = {
174 "ipmi",
175 ipmi_methods,
176 sizeof(struct ipmi_softc)
177 };
178
179 DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, ipmi_devclass, 0, 0);
180
181 /* Native IPMI on PCI driver. */
182
183 static int
184 ipmi2_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
196 static int
197 ipmi2_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);
273 bad:
274 ipmi_release_resources(dev);
275 return (error);
276 }
277
278 static 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
286 static driver_t ipmi2_pci_driver = {
287 "ipmi",
288 ipmi2_methods,
289 sizeof(struct ipmi_softc)
290 };
291
292 DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, ipmi_devclass, 0, 0);
Cache object: 277bd3ae251eca5a4bde546746c02c38
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