xref: /freebsd/sys/dev/hpt27xx/wj.h (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
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  * $FreeBSD$
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 
39 void wj_init(PVBUS vbus, void *nvram_addr, HPT_U32 nvram_size);
40 void *wj_add_entry(PVBUS vbus, PVDEV vd, HPT_LBA lba, HPT_U16 sectors);
41 void *wj_get_entry(PVBUS vbus, PVDEV *vd_p, HPT_LBA *lba_p, HPT_U16 *sectors_p);
42 void wj_del_entry(PVBUS vbus, void *handle);
43 void wj_del_vd(PVBUS vbus, PVDEV vd);
44 void 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