xref: /freebsd/sys/dev/hpt27xx/wj.h (revision 8881d206f4e68b564c2c5f50fc717086fc3e827a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2011 HighPoint Technologies, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #include <dev/hpt27xx/hpt27xx_config.h>
32 /*
33  * NVRAM write journaling interface.
34  */
35 
36 #ifndef _WJ_H_
37 #define _WJ_H_
38 
39 #if defined(SUPPORT_BBU) || defined(SUPPORT_NVRAM)
40 
41 void wj_init(PVBUS vbus, void *nvram_addr, HPT_U32 nvram_size);
42 void *wj_add_entry(PVBUS vbus, PVDEV vd, HPT_LBA lba, HPT_U16 sectors);
43 void *wj_get_entry(PVBUS vbus, PVDEV *vd_p, HPT_LBA *lba_p, HPT_U16 *sectors_p);
44 void wj_del_entry(PVBUS vbus, void *handle);
45 void wj_del_vd(PVBUS vbus, PVDEV vd);
46 void wj_sync_stamp(PVBUS vbus, PVDEV vd);
47 
48 #else
49 
50 #define wj_add_entry(vbus, vd, lba, sectors) 0
51 #define wj_get_entry(vbus, vd_p, lba_p, sectors_p) 0
52 #define wj_del_entry(vbus, handle) 0
53 #define wj_del_vd(vbus, vd) 0
54 #define wj_sync_stamp(vbus, vd) 0
55 
56 #endif
57 
58 #endif
59