1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 __FBSDID("$FreeBSD$"); 32 33 /* 34 * 'Ignore' driver - eats devices that show up errnoeously on PCI 35 * but shouldn't ever be listed or handled by a driver. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/module.h> 41 #include <sys/bus.h> 42 43 #include <dev/pci/pcivar.h> 44 45 static int ignore_pci_probe(device_t dev); 46 47 static device_method_t ignore_pci_methods[] = { 48 /* Device interface */ 49 DEVMETHOD(device_probe, ignore_pci_probe), 50 DEVMETHOD(device_attach, bus_generic_attach), 51 { 0, 0 } 52 }; 53 54 static driver_t ignore_pci_driver = { 55 "ignore_pci", 56 ignore_pci_methods, 57 0, 58 }; 59 60 static devclass_t ignore_pci_devclass; 61 62 DRIVER_MODULE(ignore_pci, pci, ignore_pci_driver, ignore_pci_devclass, 0, 0); 63 64 static int 65 ignore_pci_probe(device_t dev) 66 { 67 switch (pci_get_devid(dev)) { 68 case 0x10001042ul: /* SMC 37C665 */ 69 device_set_desc(dev, "ignored"); 70 device_quiet(dev); 71 return(-10000); 72 } 73 return(ENXIO); 74 } 75