include/linux/dlm_netlink.h

   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
  14 enum {
  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
  22 struct 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
  38 enum {
  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
  47 enum {
  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 */