1/*-
2 * Copyright (c) 2011 HighPoint Technologies, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/10.2/sys/dev/hpt27xx/wj.h 228940 2011-12-28 23:26:58Z delphij $
27 */
28
29#include <dev/hpt27xx/hpt27xx_config.h>
30/*
31 * NVRAM write journaling interface.
32 */
33
34#ifndef _WJ_H_
35#define _WJ_H_
36
37#if defined(SUPPORT_BBU) || defined(SUPPORT_NVRAM)
38
39void wj_init(PVBUS vbus, void *nvram_addr, HPT_U32 nvram_size);
40void *wj_add_entry(PVBUS vbus, PVDEV vd, HPT_LBA lba, HPT_U16 sectors);
41void *wj_get_entry(PVBUS vbus, PVDEV *vd_p, HPT_LBA *lba_p, HPT_U16 *sectors_p);
42void wj_del_entry(PVBUS vbus, void *handle);
43void wj_del_vd(PVBUS vbus, PVDEV vd);
44void wj_sync_stamp(PVBUS vbus, PVDEV vd);
45
46#else
47
48#define wj_add_entry(vbus, vd, lba, sectors) 0
49#define wj_get_entry(vbus, vd_p, lba_p, sectors_p) 0
50#define wj_del_entry(vbus, handle) 0
51#define wj_del_vd(vbus, vd) 0
52#define wj_sync_stamp(vbus, vd) 0
53
54#endif
55
56#endif
57