57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/*
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* Ioctl definitions for skeleton driver.
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*
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* Copyright (C) 2015 Serge Vakulenko
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*
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* Permission to use, copy, modify, and distribute this software
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* and its documentation for any purpose and without fee is hereby
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* granted, provided that the above copyright notice appear in all
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* copies and that both that the copyright notice and this
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* permission notice and warranty disclaimer appear in supporting
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* documentation, and that the name of the author not be used in
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* advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission.
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*
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* The author disclaim all warranties with regard to this
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* software, including all implied warranties of merchantability
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* and fitness. In no event shall the author be liable for any
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* special, indirect or consequential damages or any damages
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* whatsoever resulting from loss of use, data or profits, whether
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* in an action of contract, negligence or other tortious action,
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* arising out of or in connection with the use or performance of
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* this software.
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*/
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#ifndef _SYS_DISK_H_
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#define _SYS_DISK_H_
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/*
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* IBM PC compatible partition table.
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*/
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#define MAXPARTITIONS 4
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struct diskpart { /* the partition table */
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u_char dp_status; /* active (bootable) flag */
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#define DP_ACTIVE 0x80
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u_char dp_start_chs[3]; /* ignored */
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u_char dp_type; /* type of partition */
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u_char dp_end_chs[3]; /* ignored */
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u_int dp_offset; /* starting sector */
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u_int dp_nsectors; /* number of sectors in partition */
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};
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/*
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* Partition types.
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*/
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#define PTYPE_UNUSED 0 /* unused */
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#define PTYPE_BSDFFS 0xb7 /* 4.2BSD fast file system */
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#define PTYPE_SWAP 0xb8 /* swap */
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/*
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* Disk-specific ioctls.
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*/
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#define DIOCGETMEDIASIZE _IOR('d', 1, int) /* get size in kbytes */
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#define DIOCREINIT _IO ('d', 2) /* re-initialize device */
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#define DIOCGETPART _IOR('d', 3, struct diskpart) /* get partition */
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#endif /* _SYS_DISK_H_ */
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