xref: /freebsd/sys/dev/hptnr/wj.h (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
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 
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