1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
5 * Copyright (c) 2000 BSDi
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31 /*
32 * 'Ignore' driver - eats devices that show up errnoeously on PCI
33 * but shouldn't ever be listed or handled by a driver.
34 */
35
36 #include <sys/param.h>
37 #include <sys/kernel.h>
38 #include <sys/module.h>
39 #include <sys/bus.h>
40
41 #include <dev/pci/pcivar.h>
42
43 static int ignore_pci_probe(device_t dev);
44 static int ignore_pci_attach(device_t dev);
45
46 static device_method_t ignore_pci_methods[] = {
47 /* Device interface */
48 DEVMETHOD(device_probe, ignore_pci_probe),
49 DEVMETHOD(device_attach, ignore_pci_attach),
50 { 0, 0 }
51 };
52
53 static driver_t ignore_pci_driver = {
54 "ignore_pci",
55 ignore_pci_methods,
56 0,
57 };
58
59 DRIVER_MODULE(ignore_pci, pci, ignore_pci_driver, 0, 0);
60
61 static int
ignore_pci_probe(device_t dev)62 ignore_pci_probe(device_t dev)
63 {
64 switch (pci_get_devid(dev)) {
65 case 0x10001042ul: /* SMC 37C665 */
66 device_set_desc(dev, "ignored");
67 device_quiet(dev);
68 return(-10000);
69 }
70 return(ENXIO);
71 }
72
73 static int
ignore_pci_attach(device_t dev)74 ignore_pci_attach(device_t dev)
75 {
76 return (0);
77 }
78