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

     /* $NetBSD: xio.h,v 1.2 1998/08/22 15:11:02 mrg Exp $ */
     
     /*
      *
      * Copyright (c) 1995 Charles D. Cranor
      * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Charles D. Cranor.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
     */
    
    /*
     * x i o . h
     *
     * this file defines the software structure we use to ioctl the
     * 753/7053.   this interface isn't set in stone and may (or may not)
     * need adjustment.
     *
     * author: Chuck Cranor <chuck@ccrc.wustl.edu>
     */
    
    /*
     * xylogic ioctl interface
     */
    
    struct xd_iocmd {
            u_char cmd;     /* in: command number */
            u_char subfn;   /* in: subfunction number */
            u_char errno;   /* out: error number */
            u_char tries;   /* out: number of tries */
            u_short sectcnt;/* in,out: sector count (hw_spt on read drive param) */
            u_short dlen;   /* in: length of data buffer (good sanity check) */
            u_int block;    /* in: block number */
            caddr_t dptr;   /* in: data buffer to do I/O from */
    };
    
    #ifndef DIOSXDCMD
    #define DIOSXDCMD _IOWR('x', 101, struct xd_iocmd) /* do xd command */
    #endif
    
    #define XD_IOCMD_MAXS 16 /* max number of sectors you can do */
    #define XD_IOCMD_HSZ   4 /* size of one header */
    #define XD_IOCMD_DMSZ 24 /* defect map size */

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