xref: /freebsd/stand/i386/common/drv.h (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
1*ca987d46SWarner Losh /*-
2*ca987d46SWarner Losh  * Copyright (c) 2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3*ca987d46SWarner Losh  * All rights reserved.
4*ca987d46SWarner Losh  *
5*ca987d46SWarner Losh  * Redistribution and use in source and binary forms, with or without
6*ca987d46SWarner Losh  * modification, are permitted provided that the following conditions
7*ca987d46SWarner Losh  * are met:
8*ca987d46SWarner Losh  * 1. Redistributions of source code must retain the above copyright
9*ca987d46SWarner Losh  *    notice, this list of conditions and the following disclaimer.
10*ca987d46SWarner Losh  * 2. Redistributions in binary form must reproduce the above copyright
11*ca987d46SWarner Losh  *    notice, this list of conditions and the following disclaimer in the
12*ca987d46SWarner Losh  *    documentation and/or other materials provided with the distribution.
13*ca987d46SWarner Losh  *
14*ca987d46SWarner Losh  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15*ca987d46SWarner Losh  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*ca987d46SWarner Losh  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*ca987d46SWarner Losh  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18*ca987d46SWarner Losh  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*ca987d46SWarner Losh  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*ca987d46SWarner Losh  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*ca987d46SWarner Losh  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*ca987d46SWarner Losh  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*ca987d46SWarner Losh  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*ca987d46SWarner Losh  * SUCH DAMAGE.
25*ca987d46SWarner Losh  */
26*ca987d46SWarner Losh 
27*ca987d46SWarner Losh #ifndef _DRV_H_
28*ca987d46SWarner Losh #define _DRV_H_
29*ca987d46SWarner Losh 
30*ca987d46SWarner Losh struct dsk {
31*ca987d46SWarner Losh 	unsigned int drive;
32*ca987d46SWarner Losh 	unsigned int type;
33*ca987d46SWarner Losh 	unsigned int unit;
34*ca987d46SWarner Losh 	unsigned int slice;
35*ca987d46SWarner Losh 	int part;
36*ca987d46SWarner Losh 	daddr_t start;
37*ca987d46SWarner Losh 	uint64_t size;
38*ca987d46SWarner Losh };
39*ca987d46SWarner Losh 
40*ca987d46SWarner Losh int drvread(struct dsk *dskp, void *buf, daddr_t lba, unsigned nblk);
41*ca987d46SWarner Losh #if defined(GPT) || defined(ZFS)
42*ca987d46SWarner Losh int drvwrite(struct dsk *dskp, void *buf, daddr_t lba, unsigned nblk);
43*ca987d46SWarner Losh #endif	/* GPT || ZFS */
44*ca987d46SWarner Losh uint64_t drvsize(struct dsk *dskp);
45*ca987d46SWarner Losh 
46*ca987d46SWarner Losh #endif	/* !_DRV_H_ */
47