sys/dev/vme/xio.h

   1 /* $NetBSD: xio.h,v 1.3 2006/08/27 19:18:08 christos Exp $ */
   2
   3 /*
   4  *
   5  * Copyright (c) 1995 Charles D. Cranor
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Charles D. Cranor.
  19  * 4. The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * x i o . h
  36  *
  37  * this file defines the software structure we use to ioctl the
  38  * 753/7053.   this interface isn't set in stone and may (or may not)
  39  * need adjustment.
  40  *
  41  * author: Chuck Cranor <chuck@ccrc.wustl.edu>
  42  */
  43
  44 /*
  45  * xylogic ioctl interface
  46  */
  47
  48 struct xd_iocmd {
  49         u_char cmd;     /* in: command number */
  50         u_char subfn;   /* in: subfunction number */
  51         u_char errnum;  /* out: error number */
  52         u_char tries;   /* out: number of tries */
  53         u_short sectcnt;/* in,out: sector count (hw_spt on read drive param) */
  54         u_short dlen;   /* in: length of data buffer (good sanity check) */
  55         u_int block;    /* in: block number */
  56         void *dptr;     /* in: data buffer to do I/O from */
  57 };
  58
  59 #ifndef DIOSXDCMD
  60 #define DIOSXDCMD _IOWR('x', 101, struct xd_iocmd) /* do xd command */
  61 #endif
  62
  63 #define XD_IOCMD_MAXS 16 /* max number of sectors you can do */
  64 #define XD_IOCMD_HSZ   4 /* size of one header */
  65 #define XD_IOCMD_DMSZ 24 /* defect map size */