xref: /dragonfly/sys/bus/pci/ignore_pci.c (revision 548a3528)
1 /*-
2  * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
3  * Copyright (c) 2000 BSDi
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD: src/sys/dev/pci/ignore_pci.c,v 1.4.28.1 2009/04/15 03:14:26 kensmith Exp $
28  */
29 
30 /*
31  * 'Ignore' driver - eats devices that show up errnoeously on PCI
32  * but shouldn't ever be listed or handled by a driver.
33  */
34 
35 #include <sys/param.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
38 #include <sys/bus.h>
39 
40 #include <bus/pci/pcivar.h>
41 
42 static int	ignore_pci_probe(device_t dev);
43 
44 static device_method_t ignore_pci_methods[] = {
45     /* Device interface */
46     DEVMETHOD(device_probe,		ignore_pci_probe),
47     DEVMETHOD(device_attach,		bus_generic_attach),
48     DEVMETHOD_END
49 };
50 
51 static driver_t ignore_pci_driver = {
52     "ignore_pci",
53     ignore_pci_methods,
54     0,
55 };
56 
57 static devclass_t ignore_pci_devclass;
58 
59 DRIVER_MODULE(ignore_pci, pci, ignore_pci_driver, ignore_pci_devclass, NULL, NULL);
60 
61 static int
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