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86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/******************************************************************************
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* evtchn.h
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*
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* Interface to /dev/xen/evtchn.
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*
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* Copyright (c) 2003-2005, K A Fraser
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*
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* This file may be distributed separately from the Linux kernel, or
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* incorporated into other 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 __XEN_EVTCHN_H__
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#define __XEN_EVTCHN_H__
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/*
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* Bind a fresh port to VIRQ @virq.
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*/
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#define IOCTL_EVTCHN_BIND_VIRQ \
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_IOWR('E', 4, struct ioctl_evtchn_bind_virq)
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struct ioctl_evtchn_bind_virq {
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unsigned int virq;
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unsigned int port;
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};
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/*
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* Bind a fresh port to remote <@remote_domain, @remote_port>.
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*/
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#define IOCTL_EVTCHN_BIND_INTERDOMAIN \
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_IOWR('E', 5, struct ioctl_evtchn_bind_interdomain)
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struct ioctl_evtchn_bind_interdomain {
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unsigned int remote_domain, remote_port;
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unsigned int port;
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};
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/*
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* Allocate a fresh port for binding to @remote_domain.
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*/
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#define IOCTL_EVTCHN_BIND_UNBOUND_PORT \
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_IOWR('E', 6, struct ioctl_evtchn_bind_unbound_port)
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struct ioctl_evtchn_bind_unbound_port {
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unsigned int remote_domain;
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unsigned int port;
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};
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/*
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* Unbind previously allocated @port.
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*/
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#define IOCTL_EVTCHN_UNBIND \
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_IOW('E', 7, struct ioctl_evtchn_unbind)
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struct ioctl_evtchn_unbind {
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unsigned int port;
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};
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/*
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* Send event to previously allocated @port.
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*/
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#define IOCTL_EVTCHN_NOTIFY \
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_IOW('E', 8, struct ioctl_evtchn_notify)
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struct ioctl_evtchn_notify {
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unsigned int port;
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};
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/* Clear and reinitialise the event buffer. Clear error condition. */
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#define IOCTL_EVTCHN_RESET \
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_IO('E', 9)
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#endif /* __XEN_EVTCHN_H__ */
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