Throw better sanity checks into vfs_hang_addrlist() for argp->ex_addrlen
[dragonfly.git] / sys / sys / disk.h
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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 $
1de703da 10 * $DragonFly: src/sys/sys/disk.h,v 1.2 2003/06/17 04:28:58 dillon Exp $
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11 *
12 */
13
14#ifndef _SYS_DISK_H_
15#define _SYS_DISK_H_
16
17#ifndef _SYS_DISKSLICE_H_
18#include <sys/diskslice.h>
19#endif /* _SYS_DISKSLICE_H_ */
20
21#ifndef _SYS_DISKLABEL
22#include <sys/disklabel.h>
23#endif /* _SYS_DISKLABEL */
24
25struct disk {
26 u_int d_flags;
27 u_int d_dsflags;
28 struct cdevsw *d_devsw;
29 dev_t d_dev;
30 struct diskslices *d_slice;
31 struct disklabel d_label;
32 LIST_ENTRY(disk) d_list;
33};
34
35#define DISKFLAG_LOCK 0x1
36#define DISKFLAG_WANTED 0x2
37
38dev_t disk_create __P((int unit, struct disk *disk, int flags, struct cdevsw *cdevsw, struct cdevsw *diskdevsw));
39void disk_destroy __P((dev_t dev));
40int disk_dumpcheck __P((dev_t dev, u_int *count, u_int *blkno, u_int *secsize));
41struct disk *disk_enumerate __P((struct disk *disk));
42void disk_invalidate __P((struct disk *disk));
43
44#endif /* _SYS_DISK_H_ */