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.\" sd.4
.\" Copyright 1992 Rickard E. Faith (faith@cs.unc.edu)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Japanese Version Copyright (c) 1996,1997 ISHIKAWA Mutsumi
.\" all rights reserved.
.\" Translated 1997-02-06, ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
.\" Updated 2005-11-19, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\" WORD: pointer ݥ
.\" WORD: structure ¤
.\" WORD: geometry ȥ
.\" WORD: sector
.\" WORD: implement
.\" WORD: raw device ǥХ
.\"
.TH SD 4 1992-12-17 "Linux" "Linux Programmer's Manual"
.SH ̾
sd \- SCSI ǥɥ饤֤ΤΥɥ饤
.SH
.nf
.BR "#include <linux/hdreg.h> " "/* for HDIO_GETGEO */"
.BR "#include <linux/fs.h> " "/* for BLKGETSIZE and BLKRRPART */"
.fi
.SH
Υ֥åǥХ (block device) ̾ϡΤ褦ʷȤ:
.BI sd lp,
Τ
.I l
ʪɥ饤֤̣ʸǤꡢ
.I p
Ϥʪɥ饤־Υѡƥ (partition) ̣Ǥ롣
ѡƥʥС
.I p
ʤϡΥǥХեϥɥ饤Τ
SCSI ǥϥ㡼ʥС 8 Τ褦ʷΥޥʡʥС
ġ(16 *
.IR drive_number ") + " partition_number
.I drive_number
ϸФ줿ʪɥ饤ֹ֤Ǥꡢ
.I partition_number
ϼΤ褦ˤʤ:
.sp
ѡƥ 0 ϥɥ饤
.br
ѡƥ 1 4 DOS " (primary)" ѡƥ
.br
ѡƥ 5 8 DOS "ĥ (extended)" (ޤϡ"
(logical)") ѡƥ
㤨С
.I /dev/sda
ϥ㡼ʥС 8 ޥʡʥС 0 ƥκǽ SCSI
ɥ饤ΤȤ롣ơ
.I /dev/sdb3
ϥ㡼ʥС 8 ޥʡʥС 19 ƥܤ
SCSI ɥ饤֤λܤ DOS "" ѡƥȤ롣
ߤϡ֥åǥХƤ롣ǥХ (raw device)
ϤޤƤʤ
.SH
.I ioctl
Ƥ:
.TP
.B HDIO_GETGEO
.RS
Τ褦ʹ¤ΤѤ BIOS Υǥѥ֤:
.in +4n
.nf
struct hd_geometry {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
unsigned long start;
};
.fi
.in
ι¤ΤؤΥݥ
.BR ioctl (2)
ؤΥѥȤϤ롣
Υѥ֤ϡ
.I "DOS ˤä褦"
ɥ饤֤ΥȥǤ롣
Υȥϡɥ饤֤ʪŪʥȥ
.I ǤϤʤ
ξϥɥ饤֤Υѡƥơ֥Ѥ롢
ޤ
.BR fdisk (1),
.BR efdisk (1),
.BR lilo (1)
ŬڤɬפǤ롣
⤷ȥξʤС줾Ƥ˥
֤롣
.RE
.TP
.B BLKGETSIZE
οɽǥХΥ֤롣
.BR ioctl (2)
Υѥϡ
.I long
ؤΥݥǤʤФʤʤ
.TP
.B BLKRRPART
ŪˡSCSI ǥΥѡƥơ֥κɤ߹ߤԤ
ѥɬפʤ
.BR scsi (4)
.BR ioctl (2)
Ʊͤ˥ݡȤ롣
.BR ioctl (2)
Υѥɬפǡ줬 NULL ʤС
.BR ioctl (2)
ϥ顼
.B EINVAL
ǼԤ롣
.SH ե
/dev/sd[a\-h]: ɥ饤
.br
/dev/sd[a\-h][0\-8]: ġΥ֥åѡƥ
.\" .SH Ϣ
.\" .BR scsi (4)
|
