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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>
110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/******************************************************************************
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*******************************************************************************
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**
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** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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**
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** This copyrighted material is made available to anyone wishing to use,
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** modify, copy, or redistribute it subject to the terms and conditions
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** of the GNU General Public License v.2.
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**
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*******************************************************************************
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******************************************************************************/
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#ifndef _LINUX_DLM_DEVICE_H
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#define _LINUX_DLM_DEVICE_H
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/* This is the device interface for dlm, most users will use a library
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* interface.
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*/
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#include <linux/dlm.h>
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#include <linux/types.h>
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#define DLM_USER_LVB_LEN 32
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/* Version of the device interface */
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#define DLM_DEVICE_VERSION_MAJOR 6
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#define DLM_DEVICE_VERSION_MINOR 0
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#define DLM_DEVICE_VERSION_PATCH 2
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/* struct passed to the lock write */
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struct dlm_lock_params {
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__u8 mode;
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__u8 namelen;
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__u16 unused;
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__u32 flags;
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__u32 lkid;
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__u32 parent;
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__u64 xid;
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__u64 timeout;
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void __user *castparam;
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void __user *castaddr;
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void __user *bastparam;
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void __user *bastaddr;
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struct dlm_lksb __user *lksb;
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char lvb[DLM_USER_LVB_LEN];
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char name[0];
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};
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struct dlm_lspace_params {
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__u32 flags;
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__u32 minor;
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char name[0];
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};
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struct dlm_purge_params {
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__u32 nodeid;
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__u32 pid;
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};
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struct dlm_write_request {
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__u32 version[3];
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__u8 cmd;
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__u8 is64bit;
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__u8 unused[2];
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union {
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struct dlm_lock_params lock;
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struct dlm_lspace_params lspace;
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struct dlm_purge_params purge;
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} i;
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};
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struct dlm_device_version {
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__u32 version[3];
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};
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/* struct read from the "device" fd,
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consists mainly of userspace pointers for the library to use */
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struct dlm_lock_result {
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__u32 version[3];
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__u32 length;
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void __user * user_astaddr;
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void __user * user_astparam;
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struct dlm_lksb __user * user_lksb;
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struct dlm_lksb lksb;
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__u8 bast_mode;
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__u8 unused[3];
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/* Offsets may be zero if no data is present */
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__u32 lvb_offset;
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};
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/* Commands passed to the device */
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#define DLM_USER_LOCK 1
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#define DLM_USER_UNLOCK 2
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#define DLM_USER_QUERY 3
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#define DLM_USER_CREATE_LOCKSPACE 4
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#define DLM_USER_REMOVE_LOCKSPACE 5
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#define DLM_USER_PURGE 6
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#define DLM_USER_DEADLOCK 7
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/* Lockspace flags */
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#define DLM_USER_LSFLG_AUTOFREE 1
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#define DLM_USER_LSFLG_FORCEFREE 2
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#endif
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