ofw_pci_if.m

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    1 #-
    2 # Copyright (c) 2001, 2003 by Thomas Moestl <tmm@FreeBSD.org>
    3 # All rights reserved.
    4 #
    5 # Redistribution and use in source and binary forms, with or without
    6 # modification, are permitted provided that the following conditions
    7 # are met:
    8 # 1. Redistributions of source code must retain the above copyright
    9 #    notice, this list of conditions and the following disclaimer.
   10 # 2. Redistributions in binary form must reproduce the above copyright
   11 #    notice, this list of conditions and the following disclaimer in the
   12 #    documentation and/or other materials provided with the distribution.
   13 #
   14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17 # IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   18 # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   19 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   20 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   21 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   22 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
   23 # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   24 #
   25 # $FreeBSD$
   26 
   27 #include <sys/bus.h>
   28 
   29 #include <dev/ofw/openfirm.h>
   30 
   31 #include <sparc64/pci/ofw_pci.h>
   32 
   33 INTERFACE ofw_pci;
   34 
   35 CODE {
   36         static ofw_pci_intr_pending_t ofw_pci_default_intr_pending;
   37         static ofw_pci_alloc_busno_t ofw_pci_default_alloc_busno;
   38         static ofw_pci_adjust_busrange_t ofw_pci_default_adjust_busrange;
   39 
   40         static int
   41         ofw_pci_default_intr_pending(device_t dev, ofw_pci_intr_t intr)
   42         {
   43 
   44                 if (device_get_parent(dev) != NULL)
   45                         return (OFW_PCI_INTR_PENDING(device_get_parent(dev),
   46                             intr));
   47                 return (0);
   48         }
   49 
   50         static int
   51         ofw_pci_default_alloc_busno(device_t dev)
   52         {
   53 
   54                 if (device_get_parent(dev) != NULL)
   55                         return (OFW_PCI_ALLOC_BUSNO(device_get_parent(dev)));
   56                 return (-1);
   57         }
   58 
   59         static void
   60         ofw_pci_default_adjust_busrange(device_t dev, u_int busno)
   61         {
   62 
   63                 if (device_get_parent(dev) != NULL)
   64                         return (OFW_PCI_ADJUST_BUSRANGE(device_get_parent(dev),
   65                             busno));
   66         }
   67 };
   68 
   69 # Return whether an interrupt request is pending for the INO intr.
   70 METHOD int intr_pending {
   71         device_t dev;
   72         ofw_pci_intr_t intr;
   73 } DEFAULT ofw_pci_default_intr_pending;
   74 
   75 # Allocate a bus number for reenumerating a PCI bus. A return value of -1
   76 # means that reenumeration is generally not supported, otherwise all PCI
   77 # busses must be reenumerated using bus numbers obtained via this method.
   78 METHOD int alloc_busno {
   79         device_t dev;
   80 } DEFAULT ofw_pci_default_alloc_busno;
   81 
   82 # Make sure that all PCI bridges up in the hierarchy contain this bus in
   83 # their subordinate bus range. This is required when reenumerating the PCI
   84 # buses.
   85 METHOD void adjust_busrange {
   86         device_t dev;
   87         u_int subbus;
   88 } DEFAULT ofw_pci_default_adjust_busrange;

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FreeBSD/Linux Kernel Cross Reference sys/sparc64/pci/ofw_pci_if.m

FreeBSD/Linux Kernel Cross Reference
sys/sparc64/pci/ofw_pci_if.m