/*
 * Copyright (C) 2014-2015 Red Hat, Inc.
 *
 * This file is part of LVM2.
 *
 * 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 Lesser General Public License v.2.1.
 */

#ifndef LVM_LVMLOCKD_CLIENT_H
#define LVM_LVMLOCKD_CLIENT_H

#include "libdaemon/client/daemon-client.h"

#define LVMLOCKD_SOCKET DEFAULT_RUN_DIR "/lvmlockd.socket"
#define LVMLOCKD_ADOPT_FILE DEFAULT_RUN_DIR "/lvmlockd.adopt"

#define LVMLOCKD_USE_SANLOCK_LVB 0

/* Wrappers to open/close connection */

/* always_inline suppresses -Winline for cold call sites */
static inline __attribute__((always_inline))
	daemon_handle lvmlockd_open(const char *sock)
{
	daemon_info lvmlockd_info = {
		.path = "lvmlockd",
		.socket = sock ?: LVMLOCKD_SOCKET,
		.autostart = 0,
		.protocol = "lvmlockd",
		.protocol_version = 1,
	};

	return daemon_open(lvmlockd_info);
}

static inline void lvmlockd_close(daemon_handle h)
{
	daemon_close(h);
}

/*
 * Errors returned as the lvmlockd result value.
 */
#define ENOLS     210 /* lockspace not found */
#define ESTARTING 211 /* lockspace is starting */
#define EARGS     212
#define EHOSTID   213
#define EMANAGER  214
#define EPREPARE  215
#define ELOCKD    216
#define EVGKILLED 217 /* sanlock lost access to leases and VG is killed. */
#define ELOCKIO   218 /* sanlock io errors during lock op, may be transient. */
#define EREMOVED  219
#define EDEVOPEN  220 /* sanlock failed to open lvmlock LV */
#define ELMERR    221
#define EORPHAN   222
#define EADOPT_NONE  223
#define EADOPT_RETRY 224
#define EIOTIMEOUT   225
#define ELOCKREPAIR  226

#define LOCKARGS_VERSION	0x00000001 /* meta only */
#define LOCKARGS_LVMLOCK	0x00000002 /* meta only */
#define LOCKARGS_TIMEOUT	0x00000004 /* user only */
#define LOCKARGS_NOTIMEOUT	0x00000008 /* meta or user */
#define LOCKARGS_PERSIST	0x00000010 /* meta or user */
#define LOCKARGS_NOPERSIST	0x00000020 /* user only */
#define LOCKARGS_CAW		0x00000040 /* user only */
#define LOCKARGS_NOCAW		0x00000080 /* user only */

#endif	/* LVM_LVMLOCKD_CLIENT_H */
