FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/ignore_pci.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
      * Copyright (c) 2000 BSDi
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    /*
     * 'Ignore' driver - eats devices that show up errnoeously on PCI
     * but shouldn't ever be listed or handled by a driver.
     */
    
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/module.h>
    #include <sys/bus.h>
    
    #include <dev/pci/pcivar.h>
    
    static int      ignore_pci_probe(device_t dev);
    
    static device_method_t ignore_pci_methods[] = {
        /* Device interface */
        DEVMETHOD(device_probe,             ignore_pci_probe),
        DEVMETHOD(device_attach,            bus_generic_attach),
        { 0, 0 }
    };
    
    static driver_t ignore_pci_driver = {
        "ignore_pci",
        ignore_pci_methods,
        0,
    };
    
    DRIVER_MODULE(ignore_pci, pci, ignore_pci_driver, 0, 0);
    
    static int
    ignore_pci_probe(device_t dev)
    {
        switch (pci_get_devid(dev)) {
        case 0x10001042ul:  /* SMC 37C665 */
            device_set_desc(dev, "ignored");
            device_quiet(dev);
            return(-10000);
        }
        return(ENXIO);
    }

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