Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / sys / disk.h
CommitLineData
984263bc
MD
1/*
2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
8 *
9 * $FreeBSD: src/sys/sys/disk.h,v 1.16.2.3 2001/06/20 16:11:01 scottl Exp $
10 *
11 */
12
13#ifndef _SYS_DISK_H_
14#define _SYS_DISK_H_
15
16#ifndef _SYS_DISKSLICE_H_
17#include <sys/diskslice.h>
18#endif /* _SYS_DISKSLICE_H_ */
19
20#ifndef _SYS_DISKLABEL
21#include <sys/disklabel.h>
22#endif /* _SYS_DISKLABEL */
23
24struct disk {
25 u_int d_flags;
26 u_int d_dsflags;
27 struct cdevsw *d_devsw;
28 dev_t d_dev;
29 struct diskslices *d_slice;
30 struct disklabel d_label;
31 LIST_ENTRY(disk) d_list;
32};
33
34#define DISKFLAG_LOCK 0x1
35#define DISKFLAG_WANTED 0x2
36
37dev_t disk_create __P((int unit, struct disk *disk, int flags, struct cdevsw *cdevsw, struct cdevsw *diskdevsw));
38void disk_destroy __P((dev_t dev));
39int disk_dumpcheck __P((dev_t dev, u_int *count, u_int *blkno, u_int *secsize));
40struct disk *disk_enumerate __P((struct disk *disk));
41void disk_invalidate __P((struct disk *disk));
42
43#endif /* _SYS_DISK_H_ */