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/powerpc/powerpc/iommu_if.m

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    1 #-
    2 # Copyright (c) 2010 Nathan Whitehorn
    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 # from: src/sys/kern/bus_if.m,v 1.21 2002/04/21 11:16:10 markm Exp
   27 # $FreeBSD$
   28 #
   29 
   30 #include <machine/bus.h>
   31 
   32 #include <sys/bus.h>
   33 #include <sys/bus_dma.h>
   34 
   35 INTERFACE iommu;
   36 
   37 METHOD int map {
   38         device_t        iommu;
   39         bus_dma_segment_t *segs;
   40         int             *nsegs;
   41         bus_addr_t      lowaddr;
   42         bus_addr_t      highaddr;
   43         bus_size_t      alignment;
   44         bus_addr_t      boundary;
   45         void            *cookie;
   46 };
   47 
   48 METHOD int unmap {
   49         device_t        iommu;
   50         bus_dma_segment_t *segs;
   51         int             nsegs;
   52         void            *cookie;
   53 };
   54 

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