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81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/*****************************************************************************
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* xenbus.h
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*
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* Xenbus protocol details.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (C) 2005 XenSource Ltd.
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*/
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#ifndef _XEN_PUBLIC_IO_XENBUS_H
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#define _XEN_PUBLIC_IO_XENBUS_H
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/*
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* The state of either end of the Xenbus, i.e. the current communication
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* status of initialisation across the bus. States here imply nothing about
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* the state of the connection between the driver and the kernel's device
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* layers.
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*/
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enum xenbus_state {
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XenbusStateUnknown = 0,
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XenbusStateInitialising = 1,
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/*
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* InitWait: Finished early initialisation but waiting for information
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* from the peer or hotplug scripts.
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*/
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XenbusStateInitWait = 2,
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/*
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* Initialised: Waiting for a connection from the peer.
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*/
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XenbusStateInitialised = 3,
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XenbusStateConnected = 4,
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/*
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* Closing: The device is being closed due to an error or an unplug event.
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*/
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XenbusStateClosing = 5,
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XenbusStateClosed = 6,
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/*
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* Reconfiguring: The device is being reconfigured.
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*/
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XenbusStateReconfiguring = 7,
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XenbusStateReconfigured = 8
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};
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typedef enum xenbus_state XenbusState;
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#endif /* _XEN_PUBLIC_IO_XENBUS_H */
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/*
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* Local variables:
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* mode: C
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* c-set-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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