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d2fb4c51c7
Add an ioctl to the /dev/xen/xenbus_backend device allowing the xenbus backend to be started after the kernel has booted. This allows xenstore to run in a different domain from the dom0. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
44 lines
1.8 KiB
C
44 lines
1.8 KiB
C
/******************************************************************************
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* evtchn.h
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*
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* Interface to /dev/xen/xenbus_backend.
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*
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* Copyright (c) 2011 Bastian Blank <waldi@debian.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation; or, when distributed
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* separately from the Linux kernel or incorporated into other
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* software packages, subject to the following license:
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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 source file (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify,
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* merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to
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* 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 DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef __LINUX_XEN_XENBUS_DEV_H__
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#define __LINUX_XEN_XENBUS_DEV_H__
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#include <linux/ioctl.h>
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#define IOCTL_XENBUS_BACKEND_EVTCHN \
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_IOC(_IOC_NONE, 'B', 0, 0)
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#define IOCTL_XENBUS_BACKEND_SETUP \
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_IOC(_IOC_NONE, 'B', 1, 0)
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#endif /* __LINUX_XEN_XENBUS_DEV_H__ */
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