1 /* $NetBSD: xio.h,v 1.5 2011/02/01 19:36:24 chuck Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Charles D. Cranor 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * x i o . h 30 * 31 * this file defines the software structure we use to ioctl the 32 * 753/7053. this interface isn't set in stone and may (or may not) 33 * need adjustment. 34 * 35 * author: Chuck Cranor <chuck@netbsd> 36 */ 37 38 /* 39 * xylogic ioctl interface 40 */ 41 42 struct xd_iocmd { 43 u_char cmd; /* in: command number */ 44 u_char subfn; /* in: subfunction number */ 45 u_char errnum; /* out: error number */ 46 u_char tries; /* out: number of tries */ 47 u_short sectcnt;/* in,out: sector count (hw_spt on read drive param) */ 48 u_short dlen; /* in: length of data buffer (good sanity check) */ 49 u_int block; /* in: block number */ 50 void *dptr; /* in: data buffer to do I/O from */ 51 }; 52 53 #ifndef DIOSXDCMD 54 #define DIOSXDCMD _IOWR('x', 101, struct xd_iocmd) /* do xd command */ 55 #endif 56 57 #define XD_IOCMD_MAXS 16 /* max number of sectors you can do */ 58 #define XD_IOCMD_HSZ 4 /* size of one header */ 59 #define XD_IOCMD_DMSZ 24 /* defect map size */ 60