BIOS_PARAM
Section: (9)
Updated: 13 April 2004
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NAME
bios_param - fetch head, sector, cylinder info for a disk
SYNOPSIS
int bios_param (struct scsi_device * sdev, struct block_device * bdev, sector_t capacity, int * params);
ARGUMENTS
- sdev
-
pointer to scsi device context (defined in
include/scsi/scsi_device.h)
- bdev
-
pointer to block device context (defined in fs.h)
- capacity
-
device size (in 512 byte sectors)
- params
-
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
DESCRIPTION
Return value is ignored
LOCKS
none
CALLING CONTEXT
process (sd)
NOTES
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.
OPTIONALLY DEFINED IN
LLD
ABOUT THIS DOCUMENT
This documentation was generated with kernel version 2.6.1.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
- LOCKS
-
- CALLING CONTEXT
-
- NOTES
-
- OPTIONALLY DEFINED IN
-
- ABOUT THIS DOCUMENT
-
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Time: 11:21:55 GMT, April 13, 2004