xref: /freebsd/sys/dev/hpt27xx/wj.h (revision 81966bce06dac45f42bda62b14dba0756ef28505)
1*81966bceSXin LI /*-
2*81966bceSXin LI  * Copyright (c) 2011 HighPoint Technologies, Inc.
3*81966bceSXin LI  * All rights reserved.
4*81966bceSXin LI  *
5*81966bceSXin LI  * Redistribution and use in source and binary forms, with or without
6*81966bceSXin LI  * modification, are permitted provided that the following conditions
7*81966bceSXin LI  * are met:
8*81966bceSXin LI  * 1. Redistributions of source code must retain the above copyright
9*81966bceSXin LI  *    notice, this list of conditions and the following disclaimer.
10*81966bceSXin LI  * 2. Redistributions in binary form must reproduce the above copyright
11*81966bceSXin LI  *    notice, this list of conditions and the following disclaimer in the
12*81966bceSXin LI  *    documentation and/or other materials provided with the distribution.
13*81966bceSXin LI  *
14*81966bceSXin LI  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*81966bceSXin LI  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*81966bceSXin LI  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*81966bceSXin LI  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*81966bceSXin LI  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*81966bceSXin LI  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*81966bceSXin LI  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*81966bceSXin LI  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*81966bceSXin LI  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*81966bceSXin LI  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*81966bceSXin LI  * SUCH DAMAGE.
25*81966bceSXin LI  *
26*81966bceSXin LI  * $FreeBSD$
27*81966bceSXin LI  */
28*81966bceSXin LI 
29*81966bceSXin LI #include <dev/hpt27xx/hpt27xx_config.h>
30*81966bceSXin LI /*
31*81966bceSXin LI  * NVRAM write journaling interface.
32*81966bceSXin LI  */
33*81966bceSXin LI 
34*81966bceSXin LI #ifndef _WJ_H_
35*81966bceSXin LI #define _WJ_H_
36*81966bceSXin LI 
37*81966bceSXin LI #if defined(SUPPORT_BBU) || defined(SUPPORT_NVRAM)
38*81966bceSXin LI 
39*81966bceSXin LI void wj_init(PVBUS vbus, void *nvram_addr, HPT_U32 nvram_size);
40*81966bceSXin LI void *wj_add_entry(PVBUS vbus, PVDEV vd, HPT_LBA lba, HPT_U16 sectors);
41*81966bceSXin LI void *wj_get_entry(PVBUS vbus, PVDEV *vd_p, HPT_LBA *lba_p, HPT_U16 *sectors_p);
42*81966bceSXin LI void wj_del_entry(PVBUS vbus, void *handle);
43*81966bceSXin LI void wj_del_vd(PVBUS vbus, PVDEV vd);
44*81966bceSXin LI void wj_sync_stamp(PVBUS vbus, PVDEV vd);
45*81966bceSXin LI 
46*81966bceSXin LI #else
47*81966bceSXin LI 
48*81966bceSXin LI #define wj_add_entry(vbus, vd, lba, sectors) 0
49*81966bceSXin LI #define wj_get_entry(vbus, vd_p, lba_p, sectors_p) 0
50*81966bceSXin LI #define wj_del_entry(vbus, handle) 0
51*81966bceSXin LI #define wj_del_vd(vbus, vd) 0
52*81966bceSXin LI #define wj_sync_stamp(vbus, vd) 0
53*81966bceSXin LI 
54*81966bceSXin LI #endif
55*81966bceSXin LI 
56*81966bceSXin LI #endif
57