LXR linux/include/linux/dlm

   1/*
   2 * Copyright (C) 2007 Red Hat, Inc.  All rights reserved.
   3 *
   4 * This copyrighted material is made available to anyone wishing to use,
   5 * modify, copy, or redistribute it subject to the terms and conditions
   6 * of the GNU General Public License v.2.
   7 */
   8
   9#ifndef _DLM_NETLINK_H
  10#define _DLM_NETLINK_H
  11
  12#include <linux/types.h>
  13
  14enum {
  15        DLM_STATUS_WAITING = 1,
  16        DLM_STATUS_GRANTED = 2,
  17        DLM_STATUS_CONVERT = 3,
  18};
  19
  20#define DLM_LOCK_DATA_VERSION 1
  21
  22struct dlm_lock_data {
  23        __u16 version;
  24        __u32 lockspace_id;
  25        int nodeid;
  26        int ownpid;
  27        __u32 id;
  28        __u32 remid;
  29        __u64 xid;
  30        __s8 status;
  31        __s8 grmode;
  32        __s8 rqmode;
  33        unsigned long timestamp;
  34        int resource_namelen;
  35        char resource_name[DLM_RESNAME_MAXLEN];
  36};
  37
  38enum {
  39        DLM_CMD_UNSPEC = 0,
  40        DLM_CMD_HELLO,          /* user->kernel */
  41        DLM_CMD_TIMEOUT,        /* kernel->user */
  42        __DLM_CMD_MAX,
  43};
  44
  45#define DLM_CMD_MAX (__DLM_CMD_MAX - 1)
  46
  47enum {
  48        DLM_TYPE_UNSPEC = 0,
  49        DLM_TYPE_LOCK,
  50        __DLM_TYPE_MAX,
  51};
  52
  53#define DLM_TYPE_MAX (__DLM_TYPE_MAX - 1)
  54
  55#define DLM_GENL_VERSION 0x1
  56#define DLM_GENL_NAME "DLM"
  57
  58#endif /* _DLM_NETLINK_H */
  59