The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/mips/nlm/intern_dev.c

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    1 /*-
    2  * Copyright (c) 2011 Netlogic Microsystems Inc.
    3  *
    4  * (based on pci/ignore_pci.c)
    5  * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
    6  * Copyright (c) 2000 BSDi
    7  * All rights reserved.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28  * SUCH DAMAGE.
   29  */
   30 
   31 #include <sys/cdefs.h>
   32 __FBSDID("$FreeBSD: stable/9/sys/mips/nlm/intern_dev.c 225394 2011-09-05 10:45:29Z jchandra $");
   33 
   34 /*
   35  * 'Ignore' driver - eats devices that show up errnoeously on PCI
   36  * but shouldn't ever be listed or handled by a driver.
   37  */
   38 
   39 #include <sys/param.h>
   40 #include <sys/types.h>
   41 #include <sys/systm.h>
   42 #include <sys/kernel.h>
   43 #include <sys/module.h>
   44 #include <sys/bus.h>
   45 
   46 #include <dev/pci/pcivar.h>
   47 
   48 #include <mips/nlm/hal/haldefs.h>
   49 #include <mips/nlm/hal/iomap.h>
   50 
   51 static int      nlm_soc_pci_probe(device_t dev);
   52 
   53 static device_method_t nlm_soc_pci_methods[] = {
   54         DEVMETHOD(device_probe,         nlm_soc_pci_probe),
   55         DEVMETHOD(device_attach,        bus_generic_attach),
   56         { 0, 0 }
   57 };
   58 
   59 static driver_t nlm_soc_pci_driver = {
   60     "nlm_soc_pci",
   61     nlm_soc_pci_methods,
   62     0,
   63 };
   64 
   65 static devclass_t nlm_soc_pci_devclass;
   66 DRIVER_MODULE(nlm_soc_pci, pci, nlm_soc_pci_driver, nlm_soc_pci_devclass, 0, 0);
   67 
   68 static int
   69 nlm_soc_pci_probe(device_t dev)
   70 {
   71         if (pci_get_vendor(dev) != PCI_VENDOR_NETLOGIC)
   72                 return(ENXIO);
   73 
   74         /* Ignore SoC internal devices */
   75         switch (pci_get_device(dev)) {
   76         case PCI_DEVICE_ID_NLM_ICI: 
   77         case PCI_DEVICE_ID_NLM_PIC: 
   78         case PCI_DEVICE_ID_NLM_FMN: 
   79                 device_set_desc(dev, "Netlogic Internal");
   80                 device_quiet(dev);
   81                 return(-10000);
   82 
   83         default:
   84                 return(ENXIO);
   85         }
   86 }

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