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Annotation of sys/arch/sparc/dev/xio.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: xio.h,v 1.3 1997/08/08 08:25:37 downsj Exp $  */
                      2: /* $NetBSD: xio.h,v 1.2 1996/03/31 22:38:58 pk Exp $ */
                      3:
                      4: /*
                      5:  *
                      6:  * Copyright (c) 1995 Charles D. Cranor
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. All advertising materials mentioning features or use of this software
                     18:  *    must display the following acknowledgement:
                     19:  *      This product includes software developed by Charles D. Cranor.
                     20:  * 4. The name of the author may not be used to endorse or promote products
                     21:  *    derived from this software without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     26:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     27:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     28:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     29:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     30:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     31:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     32:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     33:  */
                     34:
                     35: /*
                     36:  * x i o . h
                     37:  *
                     38:  * this file defines the software structure we use to ioctl the
                     39:  * 753/7053.   this interface isn't set in stone and may (or may not)
                     40:  * need adjustment.
                     41:  *
                     42:  * author: Chuck Cranor <chuck@ccrc.wustl.edu>
                     43:  */
                     44:
                     45: /*
                     46:  * xylogic ioctl interface
                     47:  */
                     48:
                     49: struct xd_iocmd {
                     50:   u_char cmd;       /* in: command number */
                     51:   u_char subfn;     /* in: subfunction number */
                     52:   u_char errno;     /* out: error number */
                     53:   u_char tries;     /* out: number of tries */
                     54:   u_short sectcnt;  /* in,out: sector count (hw_spt on read drive param) */
                     55:   u_short dlen;     /* in: length of data buffer (good sanity check) */
                     56:   u_long block;     /* in: block number */
                     57:   caddr_t dptr;     /* in: data buffer to do I/O from */
                     58: };
                     59:
                     60: #ifndef DIOSXDCMD
                     61: #define DIOSXDCMD _IOWR('x', 101, struct xd_iocmd) /* do xd command */
                     62: #endif
                     63:
                     64: #define XD_IOCMD_MAXS 16 /* max number of sectors you can do */
                     65: #define XD_IOCMD_HSZ   4 /* size of one header */
                     66: #define XD_IOCMD_DMSZ 24 /* defect map size */