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      1 /*	$NetBSD: diskio.h,v 1.3 2005/12/11 12:17:30 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Tomohide Saito.
      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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  */
     29 
     30 /* "fake" diskio.h */
     31 
     32 #define	DISK_IOCTL_GETINFO		1
     33 #define	DISK_IOCTL_READ			2
     34 #define	DISK_INFO_FLAG_MBR		0x00000001
     35 #define	DISK_INFO_FLAG_CHS_UNCERTAIN	0x00000002
     36 #define	DISK_INFO_FLAG_UNFORMATTED	0x00000004
     37 #define	DISK_INFO_FLAG_PAGEABLE		0x00000008
     38 
     39 typedef struct {
     40 	long pad1;
     41 	DWORD di_bytes_per_sect;/* offset 4 */
     42 	DWORD di_cylinders;	/* offset 8 */
     43 	DWORD di_heads;		/* offset 12 */
     44 	DWORD di_sectors;	/* offset 16 */
     45 	DWORD di_flags;		/* offset 20 */
     46 } DISK_INFO;			/* sizeof(DISK_INFO) = 24 */
     47 
     48 typedef struct _SG_REQ {
     49 	DWORD sr_start;		/* offset 0 */
     50 	DWORD sr_num_sec;	/* offset 4 */
     51 	DWORD sr_num_sg;	/* offset 8 */
     52 	DWORD sr_status;	/* offset 12 */
     53 	DWORD (*sr_callback)(struct _SG_REQ *);	/* offset 16 */
     54 	struct {		/* offset 20 */
     55 		PUCHAR sb_buf;		/* offset 0 */
     56 		DWORD sb_len;		/* offset 4 */
     57 	} sr_sglist[1];			/* sizeof(sr_sglist[]) = 8 */
     58 } SG_REQ;			/* sizeof(SG_REQ) = 28 */
     59