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