diff options
Diffstat (limited to 'sys/i386/include/dkio.h')
| -rw-r--r-- | sys/i386/include/dkio.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/i386/include/dkio.h b/sys/i386/include/dkio.h new file mode 100644 index 0000000..af781be --- /dev/null +++ b/sys/i386/include/dkio.h @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * 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 the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. + * + * from: @(#)dkio.h 5.2 (Berkeley) 1/18/91 + * $Id: dkio.h,v 1.2 1993/10/16 14:39:12 rgrimes Exp $ + */ + +#ifndef _MACHINE_DKIO_H_ +#define _MACHINE_DKIO_H_ 1 + +/* + * Structures and definitions for disk io control commands + * + * THIS WHOLE AREA NEEDS MORE THOUGHT. FOR NOW JUST IMPLEMENT + * ENOUGH TO READ AND WRITE HEADERS ON MASSBUS DISKS. EVENTUALLY + * SHOULD BE ABLE TO DETERMINE DRIVE TYPE AND DO OTHER GOOD STUFF. + */ + +/* disk io control commands */ +#define DKIOCHDR _IO(d, 1) /* next I/O will read/write header */ +#endif /* _MACHINE_DKIO_H_ */ |
