The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/vme/screg.h

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    1 /*      $NetBSD: screg.h,v 1.1 2001/06/11 15:09:54 fredette Exp $       */
    2 
    3 /*-
    4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Matthew Fredette.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 /*
   40  * Register map for the Sun2 SCSI Interface (sc)
   41  */
   42 
   43 #if __for_reference_only__
   44 struct sunsc_regs {
   45         u_char  sunsc_data;     /* data register */
   46         u_char  sunsc_unused0;
   47         u_char  sunsc_cmd_stat; /* command/status register */
   48         u_char  sunsc_unused1;
   49         u_short sunsc_icr;      /* interface control register */
   50         u_short sunsc_unused2;
   51         u_short sunsc_dma_addr_h;       /* DMA address, high 16 */
   52         u_short sunsc_dma_addr_l;       /* DMA address, low 16 */
   53         u_short sunsc_dma_count;/* DMA count */
   54         u_char  sunsc_unused3;
   55         u_char  sunsc_intvec;   /* interrupt vector (VME only) */
   56 };
   57 #endif
   58 
   59 /* Register offsets. */
   60 #define SCREG_DATA              (0)
   61 #define SCREG_CMD_STAT          (2)
   62 #define SCREG_ICR               (4)
   63 #define SCREG_DMA_ADDR_H        (8)
   64 #define SCREG_DMA_ADDR_L        (10)
   65 #define SCREG_DMA_COUNT         (12)
   66 #define SCREG_INTVEC            (15)
   67 #define SCREG_BANK_SZ           (16)
   68 

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