FreeBSD/Linux Kernel Cross Reference
sys/dev/hpt27xx/wj.h

     /*-
      * Copyright (c) 2011 HighPoint Technologies, Inc.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/8.4/sys/dev/hpt27xx/wj.h 228940 2011-12-28 23:26:58Z delphij $
     */
    
    #include <dev/hpt27xx/hpt27xx_config.h>
    /*
     * NVRAM write journaling interface.
     */
    
    #ifndef _WJ_H_
    #define _WJ_H_
    
    #if defined(SUPPORT_BBU) || defined(SUPPORT_NVRAM)
    
    void wj_init(PVBUS vbus, void *nvram_addr, HPT_U32 nvram_size);
    void *wj_add_entry(PVBUS vbus, PVDEV vd, HPT_LBA lba, HPT_U16 sectors);
    void *wj_get_entry(PVBUS vbus, PVDEV *vd_p, HPT_LBA *lba_p, HPT_U16 *sectors_p);
    void wj_del_entry(PVBUS vbus, void *handle);
    void wj_del_vd(PVBUS vbus, PVDEV vd);
    void wj_sync_stamp(PVBUS vbus, PVDEV vd);
    
    #else 
    
    #define wj_add_entry(vbus, vd, lba, sectors) 0
    #define wj_get_entry(vbus, vd_p, lba_p, sectors_p) 0
    #define wj_del_entry(vbus, handle) 0
    #define wj_del_vd(vbus, vd) 0
    #define wj_sync_stamp(vbus, vd) 0
    
    #endif
    
    #endif

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