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

     #-
     # Copyright (c) 2001, 2003 by Thomas Moestl <tmm@FreeBSD.org>
     # 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 ``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.
    #
    # $FreeBSD: releng/6.0/sys/sparc64/pci/ofw_pci_if.m 139825 2005-01-07 02:29:27Z imp $
    
    #include <sys/bus.h>
    #include <machine/bus.h>
    
    #include <dev/ofw/openfirm.h>
    
    #include <sparc64/pci/ofw_pci.h>
    
    INTERFACE ofw_pci;
    
    CODE {
            static ofw_pci_intr_pending_t ofw_pci_default_intr_pending;
            static ofw_pci_get_bus_handle_t ofw_pci_default_get_bus_handle;
            static ofw_pci_adjust_busrange_t ofw_pci_default_adjust_busrange;
    
            static int
            ofw_pci_default_intr_pending(device_t dev, ofw_pci_intr_t intr)
            {
    
                    return (OFW_PCI_INTR_PENDING(device_get_parent(dev), intr));
            }
    
            static bus_space_handle_t
            ofw_pci_default_get_bus_handle(device_t dev, int type,
                bus_space_handle_t childhdl, bus_space_tag_t *tag)
            {
    
                    return (OFW_PCI_GET_BUS_HANDLE(device_get_parent(dev), type,
                        childhdl, tag));
            }
    
            static void
            ofw_pci_default_adjust_busrange(device_t dev, u_int busno)
            {
    
                    return (OFW_PCI_ADJUST_BUSRANGE(device_get_parent(dev), busno));
            }
    };
    
    # Return whether an interrupt request is pending for the INO intr.
    METHOD int intr_pending {
            device_t dev;
            ofw_pci_intr_t intr;
    } DEFAULT ofw_pci_default_intr_pending;
    
    # Get the bustag for the root bus. This is needed for ISA old-stlye
    # in[bwl]()/out[bwl]() support, where no tag retrieved from a resource is
    # passed. The returned tag is used to construct a tag for the whole ISA bus.
    METHOD bus_space_handle_t get_bus_handle {
            device_t dev;
            int type;
            bus_space_handle_t childhdl;
            bus_space_tag_t *tag;
    } DEFAULT ofw_pci_default_get_bus_handle;
    
    # Make sure that all PCI bridges up in the hierarchy contain this bus in their
    # subordinate bus range. This is required because we reenumerate all PCI
    # buses.
    METHOD void adjust_busrange {
            device_t dev;
            u_int subbus;
    } DEFAULT ofw_pci_default_adjust_busrange;

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