NetBSD/sys/dev/vme/xio.h

60 lines
2.3 KiB
C

/* $NetBSD: xio.h,v 1.5 2011/02/01 19:36:24 chuck 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.
*
* 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@netbsd>
*/
/*
* xylogic ioctl interface
*/
struct xd_iocmd {
u_char cmd; /* in: command number */
u_char subfn; /* in: subfunction number */
u_char errnum; /* 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 */
void *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 */