xref: /netbsd-src/sys/arch/hpc/stand/libsa/diskio.h (revision 95e1ffb15694e54f29f8baaa4232152b703c2a5a)
1*95e1ffb1Schristos /*	$NetBSD: diskio.h,v 1.3 2005/12/11 12:17:30 christos Exp $	*/
29173eae7Such 
39173eae7Such /*-
49173eae7Such  * Copyright (c) 2000 Tomohide Saito.
59173eae7Such  * All rights reserved.
69173eae7Such  *
79173eae7Such  * Redistribution and use in source and binary forms, with or without
89173eae7Such  * modification, are permitted provided that the following conditions
99173eae7Such  * are met:
109173eae7Such  * 1. Redistributions of source code must retain the above copyright
119173eae7Such  *    notice, this list of conditions and the following disclaimer.
129173eae7Such  * 2. Redistributions in binary form must reproduce the above copyright
139173eae7Such  *    notice, this list of conditions and the following disclaimer in the
149173eae7Such  *    documentation and/or other materials provided with the distribution.
159173eae7Such  *
169173eae7Such  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
179173eae7Such  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
189173eae7Such  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199173eae7Such  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
209173eae7Such  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
219173eae7Such  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
229173eae7Such  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
239173eae7Such  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
249173eae7Such  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
259173eae7Such  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
269173eae7Such  * SUCH DAMAGE.
279173eae7Such  *
289173eae7Such  */
299173eae7Such 
309173eae7Such /* "fake" diskio.h */
319173eae7Such 
329173eae7Such #define	DISK_IOCTL_GETINFO		1
339173eae7Such #define	DISK_IOCTL_READ			2
349173eae7Such #define	DISK_INFO_FLAG_MBR		0x00000001
359173eae7Such #define	DISK_INFO_FLAG_CHS_UNCERTAIN	0x00000002
369173eae7Such #define	DISK_INFO_FLAG_UNFORMATTED	0x00000004
379173eae7Such #define	DISK_INFO_FLAG_PAGEABLE		0x00000008
389173eae7Such 
399173eae7Such typedef struct {
409173eae7Such 	long pad1;
419173eae7Such 	DWORD di_bytes_per_sect;/* offset 4 */
429173eae7Such 	DWORD di_cylinders;	/* offset 8 */
439173eae7Such 	DWORD di_heads;		/* offset 12 */
449173eae7Such 	DWORD di_sectors;	/* offset 16 */
459173eae7Such 	DWORD di_flags;		/* offset 20 */
469173eae7Such } DISK_INFO;			/* sizeof(DISK_INFO) = 24 */
479173eae7Such 
489173eae7Such typedef struct _SG_REQ {
499173eae7Such 	DWORD sr_start;		/* offset 0 */
509173eae7Such 	DWORD sr_num_sec;	/* offset 4 */
519173eae7Such 	DWORD sr_num_sg;	/* offset 8 */
529173eae7Such 	DWORD sr_status;	/* offset 12 */
539173eae7Such 	DWORD (*sr_callback)(struct _SG_REQ *);	/* offset 16 */
549173eae7Such 	struct {		/* offset 20 */
559173eae7Such 		PUCHAR sb_buf;		/* offset 0 */
569173eae7Such 		DWORD sb_len;		/* offset 4 */
579173eae7Such 	} sr_sglist[1];			/* sizeof(sr_sglist[]) = 8 */
589173eae7Such } SG_REQ;			/* sizeof(SG_REQ) = 28 */
59