/*
   * Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
   *
   * This copyrighted material is made available to anyone wishing to use,
   * modify, copy, or redistribute it subject to the terms and conditions
   * of the GNU General Public License v.2.
   */
  
  #ifndef __DLM_PLOCK_DOT_H__
  #define __DLM_PLOCK_DOT_H__

  #include <linux/types.h>

  #define DLM_PLOCK_MISC_NAME		"dlm_plock"
  
  #define DLM_PLOCK_VERSION_MAJOR	1

  #define DLM_PLOCK_VERSION_MINOR	2

  #define DLM_PLOCK_VERSION_PATCH	0
  
  enum {
  	DLM_PLOCK_OP_LOCK = 1,
  	DLM_PLOCK_OP_UNLOCK,
  	DLM_PLOCK_OP_GET,
  };

  #define DLM_PLOCK_FL_CLOSE 1

  struct dlm_plock_info {
  	__u32 version[3];
  	__u8 optype;
  	__u8 ex;
  	__u8 wait;

  	__u8 flags;

  	__u32 pid;
  	__s32 nodeid;
  	__s32 rv;
  	__u32 fsid;
  	__u64 number;
  	__u64 start;
  	__u64 end;
  	__u64 owner;
  };
  
  #ifdef __KERNEL__
  int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
  		int cmd, struct file_lock *fl);
  int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
  		struct file_lock *fl);
  int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
  		struct file_lock *fl);
  #endif /* __KERNEL__ */
  
  #endif