include/uapi/linux/dlm_plock.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
   4  *
   5  * This copyrighted material is made available to anyone wishing to use,
   6  * modify, copy, or redistribute it subject to the terms and conditions
   7  * of the GNU General Public License v.2.
   8  */
   9
  10 #ifndef _UAPI__DLM_PLOCK_DOT_H__
  11 #define _UAPI__DLM_PLOCK_DOT_H__
  12
  13 #include <linux/types.h>
  14
  15 #define DLM_PLOCK_MISC_NAME             "dlm_plock"
  16
  17 #define DLM_PLOCK_VERSION_MAJOR 1
  18 #define DLM_PLOCK_VERSION_MINOR 2
  19 #define DLM_PLOCK_VERSION_PATCH 0
  20
  21 enum {
  22         DLM_PLOCK_OP_LOCK = 1,
  23         DLM_PLOCK_OP_UNLOCK,
  24         DLM_PLOCK_OP_GET,
  25         DLM_PLOCK_OP_CANCEL,
  26 };
  27
  28 #define DLM_PLOCK_FL_CLOSE 1
  29
  30 struct dlm_plock_info {
  31         __u32 version[3];
  32         __u8 optype;
  33         __u8 ex;
  34         __u8 wait;
  35         __u8 flags;
  36         __u32 pid;
  37         __s32 nodeid;
  38         __s32 rv;
  39         __u32 fsid;
  40         __u64 number;
  41         __u64 start;
  42         __u64 end;
  43         __u64 owner;
  44 };
  45
  46
  47 #endif /* _UAPI__DLM_PLOCK_DOT_H__ */