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95 lines
2.8 KiB
C
95 lines
2.8 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_SYS_EVTCHN_H
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#define _XEN_SYS_EVTCHN_H
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#define _IOC_NONE 0
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#define _IOC(flag, letter, inum, size) ((letter) << 8 | (inum))
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/*
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* Bind a fresh port to VIRQ @virq.
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* Return allocated port.
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*/
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#define IOCTL_EVTCHN_BIND_VIRQ \
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_IOC(_IOC_NONE, 'E', 0, sizeof(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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};
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/*
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* Bind a fresh port to remote <@remote_domain, @remote_port>.
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* Return allocated port.
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*/
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#define IOCTL_EVTCHN_BIND_INTERDOMAIN \
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_IOC(_IOC_NONE, 'E', 1, sizeof(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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};
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/*
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* Allocate a fresh port for binding to @remote_domain.
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* Return allocated port.
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*/
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#define IOCTL_EVTCHN_BIND_UNBOUND_PORT \
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_IOC(_IOC_NONE, 'E', 2, sizeof(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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};
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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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_IOC(_IOC_NONE, 'E', 3, sizeof(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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* Notify the given @port.
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*/
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#define IOCTL_EVTCHN_NOTIFY \
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_IOC(_IOC_NONE, 'E', 4, sizeof(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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#endif /* _XEN_SYS_EVTCHN_H */
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/*
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* Local variables:
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* c-file-style: "solaris"
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* indent-tabs-mode: t
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* c-indent-level: 8
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* c-basic-offset: 8
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* tab-width: 8
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* End:
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*/
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