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xenbusb_if.m (214077) xenbusb_if.m (222975)
1#-
2# Copyright (c) 2010 Spectra Logic Corporation
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

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22# HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGES.
29#
1#-
2# Copyright (c) 2010 Spectra Logic Corporation
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

--- 13 unchanged lines hidden (view full) ---

22# HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGES.
29#
30# $FreeBSD: head/sys/xen/xenbus/xenbusb_if.m 214077 2010-10-19 20:53:30Z gibbs $
30# $FreeBSD: head/sys/xen/xenbus/xenbusb_if.m 222975 2011-06-11 04:59:01Z gibbs $
31#
32
33#include <sys/bus.h>
31#
32
33#include <sys/bus.h>
34#include <sys/lock.h>
35#include <sys/sx.h>
36#include <sys/taskqueue.h>
34
37
35HEADER {
36struct xenbus_device_ivars;
37}
38#include <xen/xenstore/xenstorevar.h>
39#include <xen/xenbus/xenbusb.h>
38
39INTERFACE xenbusb;
40
41/**
42 * \brief Enumerate all devices of the given type on this bus.
43 *
44 * \param _dev NewBus device_t for this XenBus (front/back) bus instance.
45 * \param _type String indicating the device sub-tree (e.g. "vfb", "vif")

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71 *
72 * \return On success, 0. Otherwise an errno value indicating the
73 * type of failure.
74 */
75METHOD int get_otherend_node {
76 device_t _dev;
77 struct xenbus_device_ivars *_ivars;
78}
40
41INTERFACE xenbusb;
42
43/**
44 * \brief Enumerate all devices of the given type on this bus.
45 *
46 * \param _dev NewBus device_t for this XenBus (front/back) bus instance.
47 * \param _type String indicating the device sub-tree (e.g. "vfb", "vif")

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73 *
74 * \return On success, 0. Otherwise an errno value indicating the
75 * type of failure.
76 */
77METHOD int get_otherend_node {
78 device_t _dev;
79 struct xenbus_device_ivars *_ivars;
80}
81
82/**
83 * \brief Handle a XenStore change detected in the peer tree of a child
84 * device of the bus.
85 *
86 * \param _bus NewBus device_t for this XenBus (front/back) bus instance.
87 * \param _child NewBus device_t for the child device whose peer XenStore
88 * tree has changed.
89 * \param _state The current state of the peer.
90 */
91METHOD void otherend_changed {
92 device_t _bus;
93 device_t _child;
94 enum xenbus_state _state;
95} DEFAULT xenbusb_otherend_changed;
96
97/**
98 * \brief Handle a XenStore change detected in the local tree of a child
99 * device of the bus.
100 *
101 * \param _bus NewBus device_t for this XenBus (front/back) bus instance.
102 * \param _child NewBus device_t for the child device whose peer XenStore
103 * tree has changed.
104 * \param _path The tree relative sub-path to the modified node. The empty
105 * string indicates the root of the tree was destroyed.
106 */
107METHOD void localend_changed {
108 device_t _bus;
109 device_t _child;
110 const char * _path;
111} DEFAULT xenbusb_localend_changed;