LXR linux/include/uapi/linux/dlm

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 * Copyright (C) 2007 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 _DLM_NETLINK_H
  11#define _DLM_NETLINK_H
  12
  13#include <linux/types.h>
  14#include <linux/dlmconstants.h>
  15
  16enum {
  17        DLM_STATUS_WAITING = 1,
  18        DLM_STATUS_GRANTED = 2,
  19        DLM_STATUS_CONVERT = 3,
  20};
  21
  22#define DLM_LOCK_DATA_VERSION 1
  23
  24struct dlm_lock_data {
  25        __u16 version;
  26        __u32 lockspace_id;
  27        int nodeid;
  28        int ownpid;
  29        __u32 id;
  30        __u32 remid;
  31        __u64 xid;
  32        __s8 status;
  33        __s8 grmode;
  34        __s8 rqmode;
  35        unsigned long timestamp;
  36        int resource_namelen;
  37        char resource_name[DLM_RESNAME_MAXLEN];
  38};
  39
  40enum {
  41        DLM_CMD_UNSPEC = 0,
  42        DLM_CMD_HELLO,          /* user->kernel */
  43        DLM_CMD_TIMEOUT,        /* kernel->user */
  44        __DLM_CMD_MAX,
  45};
  46
  47#define DLM_CMD_MAX (__DLM_CMD_MAX - 1)
  48
  49enum {
  50        DLM_TYPE_UNSPEC = 0,
  51        DLM_TYPE_LOCK,
  52        __DLM_TYPE_MAX,
  53};
  54
  55#define DLM_TYPE_MAX (__DLM_TYPE_MAX - 1)
  56
  57#define DLM_GENL_VERSION 0x1
  58#define DLM_GENL_NAME "DLM"
  59
  60#endif /* _DLM_NETLINK_H */
  61