include/uapi/linux/dlm_netlink.h

   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
  16 enum {
  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
  24 struct 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
  40 enum {
  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
  49 enum {
  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 */