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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
105 lines
3.5 KiB
C
105 lines
3.5 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR MIT) */
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/******************************************************************************
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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 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_PUBLIC_EVTCHN_H__
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#define __LINUX_PUBLIC_EVTCHN_H__
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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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* Unbind previously allocated @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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/* Clear and reinitialise the event buffer. Clear error condition. */
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#define IOCTL_EVTCHN_RESET \
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_IOC(_IOC_NONE, 'E', 5, 0)
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/*
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* Restrict this file descriptor so that it can only be used to bind
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* new interdomain events from one domain.
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*
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* Once a file descriptor has been restricted it cannot be
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* de-restricted, and must be closed and re-opened. Event channels
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* which were bound before restricting remain bound afterwards, and
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* can be notified as usual.
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*/
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#define IOCTL_EVTCHN_RESTRICT_DOMID \
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_IOC(_IOC_NONE, 'E', 6, sizeof(struct ioctl_evtchn_restrict_domid))
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struct ioctl_evtchn_restrict_domid {
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domid_t domid;
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};
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#endif /* __LINUX_PUBLIC_EVTCHN_H__ */
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