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19eaf54bc9
* Add missing Linux headers. Closes #9837 * Update existing headers to latest Linux. * Consolidate headers that are the same for multiple Zig target CPU architectures. For example, Linux has only an x86 directory for both x86_64 and x86 CPU architectures. Now Zig only ships an x86 directory for Linux headers, and will emit the proper corresponding -isystem flags. * tools/update-linux-headers.zig is now available for upgrading to newer Linux headers, and the update process is now documented on the wiki.
108 lines
No EOL
2.5 KiB
C
Vendored
108 lines
No EOL
2.5 KiB
C
Vendored
/* 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 *castparam;
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void *castaddr;
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void *bastparam;
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void *bastaddr;
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struct dlm_lksb *lksb;
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char lvb[DLM_USER_LVB_LEN];
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char name[];
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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[];
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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_astaddr;
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void * user_astparam;
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struct dlm_lksb * 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 |