dlm_netlink.h

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/*
 * Copyright (C) 2007 Red Hat, Inc.  All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License v.2.
 */

#ifndef _DLM_NETLINK_H
#define _DLM_NETLINK_H

#include <linux/types.h>

enum {
    DLM_STATUS_WAITING = 1,
    DLM_STATUS_GRANTED = 2,
    DLM_STATUS_CONVERT = 3,
};

#define DLM_LOCK_DATA_VERSION 1

struct dlm_lock_data {
    __u16 version;
    __u32 lockspace_id;
    int nodeid;
    int ownpid;
    __u32 id;
    __u32 remid;
    __u64 xid;
    __s8 status;
    __s8 grmode;
    __s8 rqmode;
    unsigned long timestamp;
    int resource_namelen;
    char resource_name[DLM_RESNAME_MAXLEN];
};

enum {
    DLM_CMD_UNSPEC = 0,
    DLM_CMD_HELLO,      /* user->kernel */
    DLM_CMD_TIMEOUT,    /* kernel->user */
    __DLM_CMD_MAX,
};

#define DLM_CMD_MAX (__DLM_CMD_MAX - 1)

enum {
    DLM_TYPE_UNSPEC = 0,
    DLM_TYPE_LOCK,
    __DLM_TYPE_MAX,
};

#define DLM_TYPE_MAX (__DLM_TYPE_MAX - 1)

#define DLM_GENL_VERSION 0x1
#define DLM_GENL_NAME "DLM"

#endif /* _DLM_NETLINK_H */