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/i386/include/legacyvar.h

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    1 /*-
    2  * Copyright (c) 2000 Peter Wemm <peter@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 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  * $FreeBSD$
   27  */
   28 
   29 #ifndef _MACHINE_LEGACYVAR_H_
   30 #define _MACHINE_LEGACYVAR_H_
   31 
   32 enum legacy_device_ivars {
   33         LEGACY_IVAR_PCIDOMAIN,
   34         LEGACY_IVAR_PCIBUS
   35 };
   36 
   37 #define LEGACY_ACCESSOR(var, ivar, type)                                \
   38     __BUS_ACCESSOR(legacy, var, LEGACY, ivar, type)
   39 
   40 LEGACY_ACCESSOR(pcidomain,              PCIDOMAIN,      uint32_t)
   41 LEGACY_ACCESSOR(pcibus,                 PCIBUS,         uint32_t)
   42 
   43 #undef LEGACY_ACCESSOR
   44 
   45 int     legacy_pcib_maxslots(device_t dev);
   46 uint32_t legacy_pcib_read_config(device_t dev, int bus, int slot, int func,
   47     int reg, int bytes);
   48 int     legacy_pcib_read_ivar(device_t dev, device_t child, int which,
   49     uintptr_t *result);
   50 void    legacy_pcib_write_config(device_t dev, int bus, int slot, int func,
   51     int reg, u_int32_t data, int bytes);
   52 int     legacy_pcib_write_ivar(device_t dev, device_t child, int which,
   53     uintptr_t value);
   54 struct resource *legacy_pcib_alloc_resource(device_t dev, device_t child,
   55     int type, int *rid, u_long start, u_long end, u_long count, u_int flags);
   56 
   57 #endif /* !_MACHINE_LEGACYVAR_H_ */

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