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/xen/xenbus/xenbus_if.m

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    1 #-
    2 # Copyright (c) 2008 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 # $FreeBSD$
   27 #
   28 
   29 #include <sys/bus.h>
   30 
   31 #include <machine/atomic.h>
   32 
   33 #include <xen/xen-os.h>
   34 #include <xen/evtchn.h>
   35 #include <xen/xenbus/xenbusvar.h>
   36 
   37 INTERFACE xenbus;
   38 
   39 /**
   40  * \brief Callback triggered when the state of the otherend
   41  *        of a split device changes.
   42  *
   43  * \param _dev       NewBus device_t for this XenBus device whose otherend's
   44  *                   state has changed..
   45  * \param _newstate  The new state of the otherend device.
   46  */
   47 METHOD void otherend_changed {
   48         device_t _dev;
   49         enum xenbus_state _newstate;
   50 };
   51 
   52 /**
   53  * \brief Callback triggered when the XenStore tree of the local end
   54  *        of a split device changes.
   55  *
   56  * \param _dev   NewBus device_t for this XenBus device whose otherend's
   57  *               state has changed..
   58  * \param _path  The tree relative sub-path to the modified node.  The empty
   59  *               string indicates the root of the tree was destroyed.
   60  */
   61 METHOD void localend_changed {
   62         device_t _dev;
   63         const char * _path;
   64 } DEFAULT xenbus_localend_changed;

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