wj.h revision 330897 
1/* $Id: wj.h,v 1.1 2007/11/01 03:05:51 gmm Exp $ */
2/*-
3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 *
5 * Copyright (c) 2011 HighPoint Technologies, Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: stable/11/sys/dev/hptnr/wj.h 330897 2018-03-14 03:19:51Z eadler $
30 */
31
32#include <dev/hptnr/hptnr_config.h>
33 *
34 * NVRAM write journaling interface.
35 */
36
37#ifndef _WJ_H_
38#define _WJ_H_
39
40#if defined(SUPPORT_BBU) || defined(SUPPORT_NVRAM)
41
42void wj_init(PVBUS vbus, void *nvram_addr, HPT_U32 nvram_size);
43void *wj_add_entry(PVBUS vbus, PVDEV vd, HPT_LBA lba, HPT_U16 sectors);
44void *wj_get_entry(PVBUS vbus, PVDEV *vd_p, HPT_LBA *lba_p, HPT_U16 *sectors_p);
45void wj_del_entry(PVBUS vbus, void *handle);
46void wj_del_vd(PVBUS vbus, PVDEV vd);
47void wj_sync_stamp(PVBUS vbus, PVDEV vd);
48
49#else
50
51#define wj_add_entry(vbus, vd, lba, sectors) 0
52#define wj_get_entry(vbus, vd_p, lba_p, sectors_p) 0
53#define wj_del_entry(vbus, handle) 0
54#define wj_del_vd(vbus, vd) 0
55#define wj_sync_stamp(vbus, vd) 0
56
57#endif
58
59#endif
60