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/isa/isa_if.m

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    1 #
    2 # Copyright (c) 1999 Doug Rabson
    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 AND CONTRIBUTORS ``AS IS'' AND
   15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24 # SUCH DAMAGE.
   25 #
   26 # $FreeBSD: src/sys/isa/isa_if.m,v 1.6 2000/04/08 14:17:07 dfr Exp $
   27 #
   28 
   29 #include <sys/bus.h>
   30 #include <isa/isavar.h>
   31 
   32 INTERFACE isa;
   33 
   34 #
   35 # Add a Plug-and-play configuration to the device. Configurations with 
   36 # a lower priority are preferred.
   37 #
   38 METHOD int add_config {
   39         device_t        dev;
   40         device_t        child;
   41         int             priority;
   42         struct isa_config *config;
   43 };
   44 
   45 #
   46 # Register a function which can be called to configure a device with
   47 # a given set of resources. The function will be called with a struct
   48 # isa_config representing the desired configuration and a flag to
   49 # state whether the device should be enabled.
   50 #
   51 METHOD void set_config_callback {
   52         device_t        dev;
   53         device_t        child;
   54         isa_config_cb   *fn;
   55         void            *arg;
   56 };
   57 
   58 #
   59 # A helper method for implementing probe methods for PnP compatible
   60 # drivers. The driver calls this method with a list of PnP ids and
   61 # descriptions and it returns zero if one of the ids matches or ENXIO
   62 # otherwise.
   63 # 
   64 # If the device is not plug-and-play compatible, this method returns
   65 # ENOENT, allowing the caller to fall back to heuristic probing
   66 # techniques.
   67 #  
   68 METHOD int pnp_probe {
   69         device_t        dev;
   70         device_t        child;
   71         struct isa_pnp_id *ids;
   72 };

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