xref: /freebsd/sys/dev/hptnr/wj.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /* $Id: wj.h,v 1.1 2007/11/01 03:05:51 gmm Exp $ */
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause
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 
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 
40 void wj_init(PVBUS vbus, void *nvram_addr, HPT_U32 nvram_size);
41 void *wj_add_entry(PVBUS vbus, PVDEV vd, HPT_LBA lba, HPT_U16 sectors);
42 void *wj_get_entry(PVBUS vbus, PVDEV *vd_p, HPT_LBA *lba_p, HPT_U16 *sectors_p);
43 void wj_del_entry(PVBUS vbus, void *handle);
44 void wj_del_vd(PVBUS vbus, PVDEV vd);
45 void 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