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 enum {
  13         DLM_STATUS_WAITING = 1,
  14         DLM_STATUS_GRANTED = 2,
  15         DLM_STATUS_CONVERT = 3,
  16 };
  17
  18 #define DLM_LOCK_DATA_VERSION 1
  19
  20 struct dlm_lock_data {
  21         uint16_t version;
  22         uint32_t lockspace_id;
  23         int nodeid;
  24         int ownpid;
  25         uint32_t id;
  26         uint32_t remid;
  27         uint64_t xid;
  28         int8_t status;
  29         int8_t grmode;
  30         int8_t rqmode;
  31         unsigned long timestamp;
  32         int resource_namelen;
  33         char resource_name[DLM_RESNAME_MAXLEN];
  34 };
  35
  36 enum {
  37         DLM_CMD_UNSPEC = 0,
  38         DLM_CMD_HELLO,          /* user->kernel */
  39         DLM_CMD_TIMEOUT,        /* kernel->user */
  40         __DLM_CMD_MAX,
  41 };
  42
  43 #define DLM_CMD_MAX (__DLM_CMD_MAX - 1)
  44
  45 enum {
  46         DLM_TYPE_UNSPEC = 0,
  47         DLM_TYPE_LOCK,
  48         __DLM_TYPE_MAX,
  49 };
  50
  51 #define DLM_TYPE_MAX (__DLM_TYPE_MAX - 1)
  52
  53 #define DLM_GENL_VERSION 0x1
  54 #define DLM_GENL_NAME "DLM"
  55
  56 #endif /* _DLM_NETLINK_H */