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/kern/msi_if.m

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    1 #-
    2 # Copyright (c) 2016 The FreeBSD Foundation
    3 # All rights reserved.
    4 #
    5 # This software was developed by Andrew Turner under
    6 # sponsorship from the FreeBSD Foundation.
    7 #
    8 # Redistribution and use in source and binary forms, with or without
    9 # modification, are permitted provided that the following conditions
   10 # are met:
   11 # 1. Redistributions of source code must retain the above copyright
   12 #    notice, this list of conditions and the following disclaimer.
   13 # 2. Redistributions in binary form must reproduce the above copyright
   14 #    notice, this list of conditions and the following disclaimer in the
   15 #    documentation and/or other materials provided with the distribution.
   16 #
   17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27 # SUCH DAMAGE.
   28 #
   29 # $FreeBSD: releng/11.0/sys/kern/msi_if.m 299928 2016-05-16 09:11:40Z andrew $
   30 #
   31 
   32 INTERFACE msi;
   33 
   34 HEADER {
   35         struct intr_irqsrc;
   36 };
   37 
   38 METHOD int alloc_msi {
   39         device_t        dev;
   40         device_t        child;
   41         int             count;
   42         int             maxcount;
   43         device_t        *pic;
   44         struct intr_irqsrc **srcs;
   45 };
   46 
   47 METHOD int release_msi {
   48         device_t        dev;
   49         device_t        child;
   50         int             count;
   51         struct intr_irqsrc **srcs;
   52 };
   53 
   54 METHOD int alloc_msix {
   55         device_t        dev;
   56         device_t        child;
   57         device_t        *pic;
   58         struct intr_irqsrc **src;
   59 };
   60 
   61 METHOD int release_msix {
   62         device_t        dev;
   63         device_t        child;
   64         struct intr_irqsrc *src;
   65 };
   66 
   67 METHOD int map_msi {
   68         device_t        dev;
   69         device_t        child;
   70         struct intr_irqsrc *src;
   71         uint64_t        *addr;
   72         uint32_t        *data;
   73 };
   74 

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