.\" This documentation was generated from the book titled "SCSI Subsystem Interfaces", which is part of the Linux kernel source.
.\" 
.\" Documentation by: Douglas Gilbert (dgilbert@interlog.com)
.\" Documentation copyright: 2002 2003 Douglas Gilbert 
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.TH "BIOS_PARAM" "9" "13 April 2004" "" ""

.SH NAME
bios_param \- fetch head, sector, cylinder info for a disk
.SH SYNOPSIS
.sp
\fB
.sp
int bios_param  (struct scsi_device * \fIsdev\fB, struct block_device * \fIbdev\fB, sector_t \fIcapacity\fB, int * \fIparams\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIsdev\fB\fR
pointer to scsi device context (defined in 
include/scsi/scsi_device.h)
.TP
\fB\fIbdev\fB\fR
pointer to block device context (defined in fs.h)
.TP
\fB\fIcapacity\fB\fR
device size (in 512 byte sectors)
.TP
\fB\fIparams\fB\fR
three element array to place output:
params[0] number of heads (max 255)
params[1] number of sectors (max 63)
params[2] number of cylinders 
.SH "DESCRIPTION"
.PP
Return value is ignored
.SH "LOCKS"
.PP
none
.SH "CALLING CONTEXT"
.PP
process (sd)
.SH "NOTES"
.PP
an arbitrary geometry (based on READ CAPACITY) is used
if this function is not provided. The params array is
pre-initialized with made up values just in case this function 
doesn't output anything.
.SH "OPTIONALLY DEFINED IN"
.PP
LLD
.SH "ABOUT THIS DOCUMENT"
.PP
This documentation was generated with kernel version 2.6.1.