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/pic_if.m

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    1 #-
    2 # Copyright (c) 2015-2016 Svatopluk Kraus
    3 # Copyright (c) 2015-2016 Michal Meloun
    4 # All rights reserved.
    5 #
    6 # Redistribution and use in source and binary forms, with or without
    7 # modification, are permitted provided that the following conditions
    8 # are met:
    9 # 1. Redistributions of source code must retain the above copyright
   10 #    notice, this list of conditions and the following disclaimer.
   11 # 2. Redistributions in binary form must reproduce the above copyright
   12 #    notice, this list of conditions and the following disclaimer in the
   13 #    documentation and/or other materials provided with the distribution.
   14 #
   15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25 # SUCH DAMAGE.
   26 #
   27 # $FreeBSD: releng/11.0/sys/kern/pic_if.m 297539 2016-04-04 09:15:25Z skra $
   28 #
   29 
   30 #include <sys/bus.h>
   31 #include <sys/cpuset.h>
   32 #include <sys/resource.h>
   33 #include <sys/intr.h>
   34 
   35 INTERFACE pic;
   36 
   37 CODE {
   38         static int
   39         dflt_pic_bind_intr(device_t dev, struct intr_irqsrc *isrc)
   40         {
   41 
   42                 return (EOPNOTSUPP);
   43         }
   44 
   45         static int
   46         null_pic_alloc_intr(device_t dev, struct intr_irqsrc *isrc,
   47             struct resource *res, struct intr_map_data *data)
   48         {
   49 
   50                 return (0);
   51         }
   52 
   53         static int
   54         null_pic_release_intr(device_t dev, struct intr_irqsrc *isrc,
   55             struct resource *res, struct intr_map_data *data)
   56         {
   57 
   58                 return (0);
   59         }
   60 
   61         static int
   62         null_pic_setup_intr(device_t dev, struct intr_irqsrc *isrc,
   63             struct resource *res, struct intr_map_data *data)
   64         {
   65 
   66                 return (0);
   67         }
   68 
   69         static int
   70         null_pic_teardown_intr(device_t dev, struct intr_irqsrc *isrc,
   71             struct resource *res, struct intr_map_data *data)
   72         {
   73 
   74                 return (0);
   75         }
   76 
   77         static void
   78         null_pic_init_secondary(device_t dev)
   79         {
   80         }
   81 
   82         static void
   83         null_pic_ipi_send(device_t dev, cpuset_t cpus, u_int ipi)
   84         {
   85         }
   86 
   87         static int
   88         dflt_pic_ipi_setup(device_t dev, u_int ipi, struct intr_irqsrc *isrc)
   89         {
   90 
   91                 return (EOPNOTSUPP);
   92         }
   93 };
   94 
   95 METHOD int alloc_intr {
   96         device_t                dev;
   97         struct intr_irqsrc      *isrc;
   98         struct resource         *res;
   99         struct intr_map_data    *data;
  100 } DEFAULT null_pic_alloc_intr;
  101 
  102 METHOD int bind_intr {
  103         device_t                dev;
  104         struct intr_irqsrc      *isrc;
  105 } DEFAULT dflt_pic_bind_intr;
  106 
  107 METHOD void disable_intr {
  108         device_t                dev;
  109         struct intr_irqsrc      *isrc;
  110 };
  111 
  112 METHOD void enable_intr {
  113         device_t                dev;
  114         struct intr_irqsrc      *isrc;
  115 };
  116 
  117 METHOD int map_intr {
  118         device_t                dev;
  119         struct intr_map_data    *data;
  120         struct intr_irqsrc      **isrcp;
  121 };
  122 
  123 METHOD int release_intr {
  124         device_t                dev;
  125         struct intr_irqsrc      *isrc;
  126         struct resource         *res;
  127         struct intr_map_data    *data;
  128 } DEFAULT null_pic_release_intr;
  129 
  130 METHOD int setup_intr {
  131         device_t                dev;
  132         struct intr_irqsrc      *isrc;
  133         struct resource         *res;
  134         struct intr_map_data    *data;
  135 } DEFAULT null_pic_setup_intr;
  136 
  137 METHOD int teardown_intr {
  138         device_t                dev;
  139         struct intr_irqsrc      *isrc;
  140         struct resource         *res;
  141         struct intr_map_data    *data;
  142 } DEFAULT null_pic_teardown_intr;
  143 
  144 METHOD void post_filter {
  145         device_t                dev;
  146         struct intr_irqsrc      *isrc;
  147 };
  148 
  149 METHOD void post_ithread {
  150         device_t                dev;
  151         struct intr_irqsrc      *isrc;
  152 };
  153 
  154 METHOD void pre_ithread {
  155         device_t                dev;
  156         struct intr_irqsrc      *isrc;
  157 };
  158 
  159 METHOD void init_secondary {
  160         device_t        dev;
  161 } DEFAULT null_pic_init_secondary;
  162 
  163 METHOD void ipi_send {
  164         device_t                dev;
  165         struct intr_irqsrc      *isrc;
  166         cpuset_t                cpus;
  167         u_int                   ipi;
  168 } DEFAULT null_pic_ipi_send;
  169 
  170 METHOD int ipi_setup {
  171         device_t                dev;
  172         u_int                   ipi;
  173         struct intr_irqsrc      **isrcp;
  174 } DEFAULT dflt_pic_ipi_setup;

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