1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $FreeBSD$
*
*/
#ifndef _SYS_DISK_H_
#define _SYS_DISK_H_
#include <sys/ioccom.h>
#ifdef _KERNEL
#ifndef _SYS_DISKSLICE_H_
#include <sys/diskslice.h>
#endif /* _SYS_DISKSLICE_H_ */
#ifndef _SYS_DISKLABEL
#include <sys/disklabel.h>
#endif /* _SYS_DISKLABEL */
#include <sys/queue.h>
struct disk {
u_int d_flags;
u_int d_dsflags;
struct cdevsw *d_devsw;
dev_t d_dev;
struct diskslices *d_slice;
struct disklabel d_label;
LIST_ENTRY(disk) d_list;
void *d_softc;
};
#define DISKFLAG_LOCK 0x1
#define DISKFLAG_WANTED 0x2
dev_t disk_create(int unit, struct disk *disk, int flags, struct cdevsw *cdevsw, struct cdevsw *diskdevsw);
void disk_destroy(dev_t dev);
struct disk *disk_enumerate(struct disk *disk);
void disk_invalidate(struct disk *disk);
#endif
#define DIOCGSECTORSIZE _IOR('d', 128, u_int) /* Get sector size in bytes */
#define DIOCGMEDIASIZE _IOR('d', 129, off_t) /* Get media size in bytes */
#define DIOCGFWSECTORS _IOR('d', 130, u_int) /* Get firmware sectorcount */
#define DIOCGFWHEADS _IOR('d', 131, u_int) /* Get firmware headcount */
#define DIOCGKERNELDUMP _IOW('d', 133, u_int) /* Set/Clear kernel dumps */
#endif /* _SYS_DISK_H_ */
|